1. The utility model provides a box attach reinforcement is screwed up with screwing up wrench device which characterized in that includes:

screwing down the shell;

the clamping support cylinder is rotatably connected in the tightening shell;

the tightening clamping assemblies are arranged inside the clamping support cylinder and distributed along the circumferential direction of the clamping support cylinder, each tightening clamping assembly is adjustably connected to the clamping support cylinder along the radial position of the clamping support cylinder, and the tightening clamping assemblies are used for clamping a to-be-rotated part placed inside the clamping support cylinder;

the driving assembly is connected with the clamping and supporting cylinder and used for driving the clamping and supporting cylinder to rotate so as to drive the to-be-rotated part clamped by the tightening and clamping assembly to rotate, and therefore the to-be-rotated part and the to-be-rotated part are tightened; one of the part to be fixed and the part to be rotated is a sleeve, and the other part is a steel bar.

2. The tightening wrench device for tightening a socket joint reinforcement according to claim 1, wherein the tightening clamp assembly includes:

the clamping fixing piece is used for clamping the to-be-rotated piece;

and one end of the elastic force application part is connected with the clamping fixing piece, and the other end of the elastic force application part is connected with the clamping support cylinder.

3. The tightening wrench device for tightening a socket joint reinforcing bar according to claim 2,

a plurality of clamping teeth are convexly arranged on the side wall of one end of the clamping fixing piece, and a slot is formed between each two clamping teeth;

the clamping and fixing piece is also provided with a guide groove for being slidably clamped on the guide post of the clamping and supporting cylinder.

4. The tightening wrench device for tightening a socket joint reinforcing bar according to claim 2,

the elastic force application part is arranged along the radial direction of the clamping support cylinder so as to apply acting force along the clamping support cylinder to the clamping fixing piece.

5. The tightening wrench device for tightening a socket joint reinforcing bar according to any one of claims 1 to 4, wherein the drive mechanism comprises:

the output shaft of the driving motor forms an included angle with the axial direction of the clamping support cylinder;

and the power input end of the transmission part is connected with the power output end of the driving motor, and the power output end of the transmission part is connected with the clamping support cylinder so as to convert the rotation of the output shaft of the driving motor into the rotation of the clamping support cylinder around the axial direction of the clamping support cylinder.

6. The tightening wrench device for tightening a socket joint reinforcing bar according to claim 5,

the driving motor is connected with the transmission part through a transmission shaft, a wrench is arranged on the outer wall of the clamping support cylinder in an extending mode, and the transmission shaft is rotatably arranged in the wrench.

7. The tightening wrench device for tightening a socket joint reinforcing bar according to claim 6,

the power input end of the transmission shaft is provided with a clamping groove arranged along the axial direction of the transmission shaft and used for clamping and fixing the output shaft of the driving motor;

the clamping groove is also provided with a clamping groove arranged along the radial direction of the transmission shaft, so that the fixing pin shaft penetrates through the clamping groove and the output shaft of the driving motor, and the output shaft of the driving motor is fixed on the transmission shaft;

the wrench is provided with an anti-falling cylinder which is adjustably connected to the wrench along the axial position of the wrench, so that the fixed pin shaft is limited, and two ends of the fixed pin shaft are limited in the anti-falling cylinder.

8. The tightening wrench device for tightening a socket joint reinforcing bar according to any one of claims 1 to 4, wherein the clamping support cylinder comprises: the two cylinder bodies are of arc structures; wherein the content of the first and second substances,

the two cylinder arc structures are connected in an openable connection mode, so that the two cylinder arc structures are closed and enclosed to form a closed circle, and at least one tightening clamping assembly is arranged on each cylinder arc structure, so that the tightening clamping assemblies are opened or closed along with the cylinder arc structures to clamp the to-be-fixed piece.

9. The tightening wrench device for tightening a socket joint reinforcing bar according to claim 8,

one end of each of the two cylinder arc structures is hinged, and the other end of each of the two cylinder arc structures is locked.

10. The tightening wrench device for tightening a socket joint reinforcing bar according to any one of claims 1 to 4, wherein the tightening housing includes: two shell arc structures; wherein the content of the first and second substances,

the first ends of the two shell arc-shaped structures are hinged, and the second ends of the two shell arc-shaped structures are locked, so that the two shell arc-shaped structures are enclosed to form a closed circle when being closed.

Background

At present, in the pile foundation construction, building construction and bridge construction processes, sleeve connection steel bar components are more and more, and most of sleeve and steel bar connection operation uses a manual steel bar wrench. Use traditional manual bar spanner efficiency comparatively low and workman intensity of labour is high, even have electronic bar spanner also because of the restriction of place reason and machinery itself, can only be used for the bar connection of short steel bar connection and specification commonly used and have the potential safety hazard, and difficult the screwing up, influence its efficiency.

Disclosure of Invention

In view of the above, the invention provides a tightening wrench device for tightening a sleeve connection steel bar, and aims to solve the problems that the existing manual steel bar wrench is not easy to tighten the steel bar and the sleeve and affects the efficiency of the existing manual steel bar wrench.

The invention provides a screwing wrench device for screwing a sleeve connecting steel bar, which comprises: screwing down the shell; the clamping support cylinder is rotatably connected in the tightening shell; the tightening clamping assemblies are arranged inside the clamping support cylinder and distributed along the circumferential direction of the clamping support cylinder, each tightening clamping assembly is adjustably connected to the clamping support cylinder along the radial position of the clamping support cylinder, and the tightening clamping assemblies are used for clamping a to-be-rotated part placed inside the clamping support cylinder; the driving assembly is connected with the clamping supporting cylinder and used for driving the clamping supporting cylinder to rotate so as to drive the to-be-rotated piece clamped by the tightening and clamping assembly to rotate, and then the to-be-rotated piece is screwed up between the to-be-fixed piece and the to-be-rotated piece.

Further, the above-mentioned socket joint reinforcing bar screws up with screwing up spanner device, the clamping subassembly of screwing up includes: the clamping fixing piece is used for clamping the to-be-rotated piece; and one end of the elastic force application part is connected with the clamping fixing piece, and the other end of the elastic force application part is connected with the clamping support cylinder.

Furthermore, the sleeve connecting steel bar is screwed up by using the screwing wrench device, a plurality of clamping teeth are convexly arranged on the side wall of one end of the clamping fixing piece, and a slot is arranged between each two clamping teeth; the clamping and fixing piece is also provided with a guide groove for being slidably clamped on the guide post of the clamping and supporting cylinder.

Further, in the above-mentioned tightening wrench apparatus for tightening a socket joint reinforcing bar, the elastic force applying member is disposed along a radial direction of the clamping support cylinder to apply a force along the clamping support cylinder to the clamping fixing piece.

Further, the above-mentioned driving mechanism of the tightening wrench device for tightening a socket joint reinforcing bar includes: the output shaft of the driving motor forms an included angle with the axial direction of the clamping support cylinder; and the power input end of the transmission part is connected with the power output end of the driving motor, and the power output end of the transmission part is connected with the clamping support cylinder so as to convert the rotation of the output shaft of the driving motor into the rotation of the clamping support cylinder around the axial direction of the clamping support cylinder.

Furthermore, in the tightening wrench device for tightening the sleeve connecting steel bar, the driving motor is connected with the transmission part through the transmission shaft, the wrench is arranged on the outer wall of the clamping support cylinder in an extending manner, and the transmission shaft is rotatably arranged in the wrench.

Furthermore, the tightening wrench device for tightening the sleeve connecting steel bar is characterized in that a clamping groove arranged along the axial direction of the transmission shaft is arranged at the power input end of the transmission shaft and used for clamping and fixing an output shaft of the driving motor; the clamping groove is also provided with a clamping groove arranged along the radial direction of the transmission shaft, so that the fixing pin shaft penetrates through the clamping groove and the output shaft of the driving motor, and the output shaft of the driving motor is fixed on the transmission shaft; the wrench is provided with an anti-falling cylinder which is adjustably connected to the wrench along the axial position of the wrench, so that the fixed pin shaft is limited, and two ends of the fixed pin shaft are limited in the anti-falling cylinder.

Further, the above-mentioned tightening wrench device for tightening a socket joint reinforcing bar, the clamping support cylinder includes: the two cylinder bodies are of arc structures; the two cylinder arc structures are connected in an openable connection mode, so that the two cylinder arc structures are closed and surrounded to form a closed circle, and at least one tightening clamping assembly is arranged on each cylinder arc structure, so that the tightening clamping assemblies are opened or closed along with the cylinder arc structures to clamp the to-be-fixed piece.

Furthermore, the screwing wrench device for screwing the sleeve connecting steel bar is characterized in that one end of each of the two barrel arc structures is hinged, and the other end of each of the two barrel arc structures is locked.

Further, the above-mentioned tightening wrench device for tightening a socket joint reinforcing bar, the tightening housing includes: two shell arc structures; the first ends of the two shell arc-shaped structures are hinged, and the second ends of the two shell arc-shaped structures are locked, so that the two shell arc-shaped structures are closed to form a closed circle.

According to the screwing wrench device for screwing the sleeve connecting steel bar, at least three screwing and clamping components 3 are adjustably connected to the clamping and supporting cylinder 2 along the radial position of the clamping and supporting cylinder and are used for clamping a to-be-rotated part placed in the clamping and supporting cylinder 2; the clamping supporting cylinder 2 is driven to rotate through the driving component 5, the clamping component 3 is screwed up to drive the to-be-rotated piece to be clamped tightly to rotate, the to-be-rotated piece is screwed up to be fixed, especially, the clamped sleeve can be screwed up to a steel bar, the clamped steel bar can be screwed up to the sleeve, and connection between the sleeve and the steel bar is achieved. Compared with a manual steel bar wrench, the device solves the problem that a steel bar is not easy to screw up when being screwed up manually, and simultaneously saves manpower to improve construction efficiency and construction quality.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

FIG. 1 is a top cross-sectional view of a first position of a wrench device for tightening a socket joint reinforcement according to an embodiment of the present invention;

FIG. 2 is a top cross-sectional view of a second position of a wrench device for tightening a socket joint reinforcement according to an embodiment of the present invention;

fig. 3 is a front sectional view of a tightening wrench device for tightening a socket joint reinforcing bar according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a retaining member according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a tightening clamp assembly provided by an embodiment of the present invention;

FIG. 6 is a cross-sectional view taken at A-A of FIG. 5;

FIG. 7 is a schematic structural view of a clamping fixing piece and a clamping support cylinder provided in an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a wrench according to an embodiment of the present invention;

FIG. 9 is a cross-sectional view of a wrench according to an embodiment of the present invention;

FIG. 10 is a side view of a propeller shaft provided by an embodiment of the present invention;

fig. 11 is a partial top view of a drive shaft at a snap groove provided in an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 3, there is shown a preferred structure of a tightening wrench device for tightening a socket joint reinforcing bar according to an embodiment of the present invention. As shown, the apparatus comprises: the device comprises a tightening shell 1, a clamping support barrel 2, at least three tightening and clamping assemblies 3, a wrench 4 and a driving assembly 5; wherein the content of the first and second substances,

the clamping support cylinder 2 is rotatably connected within the tightening housing 1. Specifically, the tightening housing 1 may be a cylindrical housing structure with a hollow interior and two open ends, so as to cover the clamping support cylinder 2 and support the clamping support cylinder. The clamping and supporting cylinder 2 is of a hollow cylindrical structure, so that a to-be-rotated part penetrates through the clamping and supporting cylinder 2 and is coaxially arranged in the clamping and supporting cylinder 2, and clamping of the clamping and supporting cylinder 2 is realized; the clamping support cylinder 2 and the tightening shell 1 are coaxially arranged, so that the tightening wrench device 1 for tightening the sleeve connecting steel bar is compact in structure. In order to achieve a rotary tightening of the part to be rotated, the clamping and supporting cylinder 2 is rotatably connected to the tightening housing 1 in order to rotate the part to be rotated, which is arranged inside the clamping and supporting cylinder 2, and thus to tighten the part to be rotated onto the part to be fixed. The part to be rotated can be a sleeve, and the part to be fixed can be a steel bar; of course, the member to be rotated may be a steel bar, and the member to be fixed may be a sleeve.

At least three tightening clamping components 3 are arranged in the clamping support cylinder 2 and are distributed along the circumferential direction of the clamping support cylinder 2, each tightening clamping component 3 is adjustably connected to the clamping support cylinder 2 along the radial position of the clamping support cylinder, and the tightening clamping components 3 are used for clamping a part to be rotated, which is placed in the clamping support cylinder 2. In particular, at least three tightening clamp assemblies 3 are circumferentially distributed along the clamping support cylinder 2 to apply a clamping force to the member to be rotated, so that the member to be rotated is coaxially arranged inside the clamping support cylinder 2 and is clamped between the at least three tightening clamp assemblies 3. Simultaneously, each is screwed up clamping unit 3 and all connects on pressing from both sides tight supporting barrel 2 along the radial position that presss from both sides tight supporting barrel 2 adjustably to the adjustment of the diameter that the piece was treated to the adaptation is screwed up clamping unit 3 position, realizes the clamp tight of the piece that treats that various diameters are different, and then increases this socket joint reinforcing bar and screws up with screwing up wrench device 1 application scope, has saved the process of changing the clamping piece, has solved the loaded down with trivial details that need change the clamping piece before electric spanner screws up the reinforcing bar of different specifications in the past. Wherein, the tightening clamping components 3 are all connected on the clamping support cylinder 2 in a sliding way along the radial direction of the clamping support cylinder 2 so as to realize the position adjustment.

The driving component 5 is connected with the clamping and supporting cylinder 2 and used for driving the clamping and supporting cylinder 2 to rotate so as to drive the part to be rotated, which is clamped by the tightening and clamping component 3, to rotate. Specifically, the controller can control the operation state of the driving assembly 5 to adjust the rotation state of the clamping and supporting cylinder 2, so as to adjust the rotation state of the to-be-rotated member clamped by the tightening and clamping assembly 3 in the clamping and supporting cylinder 2, thereby adjusting the tightening between the to-be-rotated member and the to-be-fixed member.

The wrench 4 may be disposed at one side (right side as shown in fig. 2) outside the tightening housing 1 and connected to an outer wall of the tightening housing 1, so as to support the tightening wrench device 1 for tightening the sleeve connection steel bar in a hand-held manner, thereby supporting and moving the member to be rotated to be close to the member to be fixed, and rotating the member to be rotated and the member to be fixed by the driving assembly. The wrench 4 and the tightening housing 1 may be fixedly connected, or may be connected by other connection methods such as a bolt connection, which is not limited in this embodiment; the wrench 4 may be a hollow housing structure with both ends open so that the driving mechanism 5 is partially embedded in the wrench 4.

With continued reference to fig. 1-2, the tightening housing 1 includes two housing arc structures 11; the two shell arc structures 11 are connected in an openable connection mode, so that the two shell arc structures 11 are enclosed to form a closed circle when being closed. Specifically, the two housing arc structures 11 are oppositely arranged to form a cylindrical housing structure, and the cylindrical housing structure is enclosed to form a hollow housing with two open ends, that is, the two housing arc structures 11 are butted. The central angles of the two shell arc structures 11 can be different, and certainly can be the same; that is, both the two shell arc structures 11 may be semicircular, and certainly may be other various arcs, it should be noted that the two shell arc structures 11 are arranged oppositely and connected to enclose a hollow shell inside, and the cross-sectional shape of the shell arc structures is not limited in this embodiment, that is, the sum of the central angles of the two shell arc structures 11 is ensured to be 360 °. In order to facilitate the opening and closing between the two housing arc structures 11, preferably, one end of each of the two housing arc structures 11 may be hinged by a pin, and the other end is locked; the locking ends of the two housing arc structures 11 are locked by the locking members 12 when the two housing arc structures 11 are closed. As shown in fig. 4, the two housing arc structures 11 are provided with locking fastening structures 111 at the locking sections, and the locking member 12 is in threaded connection with each locking fastening structure 111 to realize the closed locking between the two housing arc structures 11. Wherein the locking member 12 may be a locking bolt.

With continued reference to fig. 1 to 2, the clamping and supporting cylinder 2 comprises two cylinder arc structures 21, and the two cylinder arc structures 21 are connected in an openable and closable connection manner, so that the two cylinder arc structures 21 are enclosed to form a closed circle when closed; all be equipped with at least one and screw up clamping component 3 on two barrel arc structures 21 to make and screw up clamping component 3 and rotate along with it, and when two barrel arc structures 21 were closed, each was screwed up clamping component 3 and along its radial autonomous movement of barrel arc structure 21, in order to progressively clamp treat the mounting. The two cylinder arc structures 21 are oppositely arranged to form a cylindrical shell structure, and the cylindrical shell structure is surrounded by a hollow shell with two open ends, that is, the two cylinder arc structures 21 are butted. The central angles of the two cylinder arc structures 21 can be different, and certainly can be the same; that is to say, both the two cylinder arc structures 21 can be semicircular, and certainly can be other various arcs, it should be noted that, the two cylinder arc structures 21 are arranged relatively and connected to enclose and form an internal hollow shell, and the cross sectional shape of the cylinder arc structures is not limited in this embodiment, that is, the sum of the central angles of the two cylinder arc structures 21 is ensured to be 360 degrees. In order to facilitate the opening and closing between the two cylinder arc structures 21, preferably, one end of the two cylinder arc structures 21 is hinged and the other end is locked, and the two cylinder arc structures 21 are connected in a manner referring to the two shell arc structures 11. In order to prevent the locking fastening structures and the locking members provided on the two cylinder arc structures 21 from interfering with the tightening housing 1, it is preferable that the locking fastening structures and the locking members are provided on the top walls of the two cylinder arc structures 21. The top and bottom of the clamping support cylinder 2 are both arranged on the annular support plate 22 for shielding.

Referring to fig. 1 to 2, 5 to 7, the tightening clamp assembly 3 includes: a clamp fixing piece 31 and an elastic urging piece 32; one end (left end as shown in fig. 6) of the elastic force applying member 32 is connected to the clamp fixing piece 31, and the other end (right end as shown in fig. 6) is connected to the clamp support cylinder 2. Specifically, the clamping fixing piece 31 may be disposed near the axis of the clamping support cylinder 2, when the tightening clamping assembly 3 is closed with the rotation of the cylinder arc structures 21, the tightening clamping assembly 3 gradually approaches the to-be-rotated piece disposed between the two cylinder arc structures 21, the clamping fixing piece 31 is pressed against and contacts the to-be-rotated piece, and with the gradual rotation of the cylinder arc structures 21, under the action of the to-be-rotated piece, the clamping fixing piece 31 and the inner wall of the clamping support cylinder 2 gradually approach to gradually compress the elastic force application piece 32 until the two cylinder arc structures 21 are closed, and the elastic force application piece 32 applies a force to the clamping fixing piece 31, thereby ensuring the clamping stability of the clamping fixing piece 31. One end (the left end shown in fig. 6) of the elastic force applying member 32 can be connected with the clamping fixing piece 31 through a connecting block 311 arranged on the clamping fixing piece 31, the connecting block 311 can be connected on the annular support plate 22 in a sliding manner, the other end (the right end shown in fig. 6) is connected with the clamping support cylinder 2 through a support rod 23, namely, the support rod 23 is arranged in the clamping support cylinder 2, the two ends of the support rod 23 are respectively connected on the two annular support plates 22, one end of the elastic force applying member 32 is connected on the connecting block 311, the other end of the elastic force applying member 32 is connected on the support rod 23, and the elastic force applying member 32 can automatically extend and retract along with. Among them, the elastic force-applying member 32 is a spring which is disposed along the radial direction of the clamping support cylinder 2 to apply a radial force to the clamping fixing piece 31.

With continued reference to fig. 5 to 7, a plurality of clamping teeth 312 are convexly arranged on a side wall of one end of the clamping fixing piece 31, and a slot is arranged between the clamping teeth 312 for clamping the to-be-rotated piece. Specifically, each of the clamping teeth 312 is provided in the thickness direction of the clamping fixing piece 31 to further improve the clamping stability. In order to improve the stability of the radial movement of the clamping and fixing piece 31 along the clamping and supporting cylinder 2, preferably, the clamping and fixing piece 31 is further provided with a guide groove 313 for slidably clamping on the guide post 24 of the clamping and supporting cylinder 2 so as to guide the movement of the clamping and fixing piece 31 through the guide post 24; the guide post 24 can be arranged at the bottom end of the support rod 23; it is further preferable that the guide post 24 or the support bar 23 is provided with a torsion spring 25 to limit both sides of the clamping fixing piece 31 to prevent the clamping fixing piece 31 from rotating. The arrangement of the clamping teeth 312 can increase the force bearing surface with the member to be rotated, thereby improving the clamping stability. Wherein, the connecting block 311 and the guiding column 25 can be both cylindrical structures. The bottom of the clamping fixing plate 31 is provided with a yielding part 314 to yield the torsion spring 25, so as to avoid the torsion spring 25 interfering with the movement of the clamping fixing plate 31.

Referring to fig. 8, the driving assembly 5 includes: a driving motor (not shown in the figure) and a transmission member 51; wherein, the output shaft of the driving motor and the axial direction of the clamping support cylinder 2 form an included angle; the power input end of the transmission member 51 is connected with the power output end of the driving motor, and the power output end is connected with the clamping support cylinder 2, so that the rotation of the output shaft of the driving motor is converted into the rotation of the clamping support cylinder 2 around the axial direction thereof. Specifically, the transmission member 51 may be two engaged bevel gears, and the two bevel gears are respectively disposed in the axial direction of the clamping support cylinder 2 and the driving motor to change the power transmission direction.

With continued reference to fig. 8 to 11, in order to facilitate the detachment of the driving motor, it is preferable that the driving motor is connected to the transmission member 51 through a transmission shaft 52, a power input end (right end as viewed in fig. 8) of the transmission shaft 52 is detachably connected to an output shaft of the driving motor, and a power output end (left end as viewed in fig. 8) of the transmission shaft is connected to a power input end of the transmission member 51 so that the driving motor can be transported independently. Specifically, a power input end of the transmission shaft 52 is provided with a clamping groove 1521 arranged along the axial direction of the transmission shaft 52 for clamping an output shaft of the driving motor; the clamping groove 521 is further provided with a clamping groove 522 arranged along the radial direction of the transmission shaft 52, so that the fixing pin penetrates through the clamping groove 522 and the output shaft of the driving motor, and the output shaft of the driving motor is fixed to the transmission shaft 52.

To prevent the shaft 52 from rotating to the outside to contact other parts or operators, it is preferable that the shaft 52 be partially rotatably disposed inside the wrench 4 and the power input end of the shaft 52 be disposed outside the wrench 4. In particular, a drive bearing 53 may be provided between the drive shaft 52 and the wrench 4 to achieve a limit of the drive shaft 52. Wherein, the fastening slot 522 is arranged outside the wrench 4 so as to facilitate the insertion of the fixing pin shaft. In order to prevent the fixed pin shaft from falling off, preferably, an anti-falling cylinder 41 is disposed at an end (right end as shown in fig. 8) of the wrench 4 away from the clamping and supporting cylinder 2, which is sleeved outside the wrench 4 and is connected to the wrench 4 in an adjustable manner along an axial direction (horizontal direction as shown in fig. 8) of the wrench 4, so that after the fixed pin shaft is clamped and fixed in the clamping and fixing groove 522, the wrench 4 moves toward the driving motor (moves rightward as shown in fig. 8) until the anti-falling cylinder 41 abuts against an end of the transmission shaft 52, so that two ends of the fixed pin shaft abut against and contact an inner wall of the anti-falling cylinder 41, that is, the anti-falling cylinder 41 is used to limit the fixed pin shaft, thereby preventing the fixed pin shaft from falling off and further ensuring connection stability between the driving motor and the transmission shaft 52. The anti-falling off barrel 41 and the wrench 4 may be connected by a screw or other methods, which is not limited in this embodiment.

The beam rib screwing construction method comprises the following steps: firstly, manually screwing the sleeve to the end head of the right end of the left beam rib; then, the two shell arc structures 11 and the two cylinder arc structures 21 are opened, the right side beam rib is placed between the three clamping and fixing pieces 31, and the two shell arc structures 11 and the two cylinder arc structures 21 are closed; the driving motor switch button is pressed to drive the right side beam rib to rotate, and then the right side beam rib is screwed to the sleeve fixed on the left side beam rib.

The construction method of the longitudinal bar, namely the column bar or the wall bar comprises the following steps: the bottom ends of the lower longitudinal ribs are fixed, firstly, the two shell arc structures 11 and the two barrel arc structures 21 are opened, the sleeve is placed between the three clamping fixing pieces 31 to clamp the sleeve through the device, and the sleeve is driven to rotate through the driving motor to be screwed to the top ends of the fixed lower longitudinal ribs, so that the sleeve and the lower reinforcing steel bars are screwed; then, place upper portion longitudinal reinforcement in the telescopic cover barrel hole sky, the lower part of upper portion reinforcing bar is put into the middle of three clamp stationary blade 31 and is realized pressing from both sides tightly, opens handheld driving motor drive upper portion reinforcing bar and rotates, carries out the screw-up between upper portion reinforcing bar and the sleeve.

In summary, in the tightening wrench device for tightening the sleeve connecting steel bar provided by the embodiment, at least three tightening clamp assemblies 3 are adjustably connected to the clamping support cylinder 2 along the radial position of the clamping support cylinder, so as to clamp the to-be-rotated member placed inside the clamping support cylinder 2; the clamping supporting cylinder 2 is driven to rotate through the driving component 5, the clamping component 3 is screwed up to drive the to-be-rotated piece to be clamped tightly to rotate, the to-be-rotated piece is screwed up to be fixed, especially, the clamped sleeve can be screwed up to a steel bar, the clamped steel bar can be screwed up to the sleeve, and connection between the sleeve and the steel bar is achieved. Compared with the existing electric wrench, the device not only reduces the probability of injury of an operator due to the fact that the operator holds the electric wrench to rotate the reinforcing steel bar, but also more importantly saves manpower and improves construction efficiency and construction quality; compared with a manual steel bar wrench, the problem that a steel bar is not easy to screw up when being screwed up manually is solved, and meanwhile, labor is saved, and construction efficiency and construction quality are improved.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.