1. The utility model provides a modular steel construction truss, includes four mutually perpendicular's mobile jib (1), and per two are adjacent be connected with a plurality of connecting rods (2), its characterized in that between mobile jib (1): the inner side of the main rod (1) is also provided with a vertically inclined functional component (4), and two ends of the functional component (4) respectively face the inner side surfaces of the two opposite connecting rods (2); the functional component (4) comprises an output shaft (48), an outer cylinder (42) and an internal spring (43), wherein a pressure head (47) is fixed at one end of the output shaft (48) and is positioned in the outer cylinder (42);

a pressure sensor (46) is mounted on the bottom end face of the interior of the outer cylinder (42), a connecting wire penetrating to the exterior of the outer cylinder (42) is connected to the output end of the pressure sensor (46), a signal transmitting end (44) is further mounted at the end of the connecting wire, and the signal transmitting end (44) is connected with an external terminal;

the built-in spring (43) is built in the outer cylinder (42), and two ends of the built-in spring (43) respectively abut against the pressure sensor (46) and the pressure head (47);

the other end of output shaft (48) is fixed with output shaft connection end (41), the bottom mounting of urceolus (42) has urceolus link (45), is in standing groove (6) have all been seted up to opposite connecting rod (2) medial surface in functional component (4) both ends department, be fixed with double-screw bolt (7) on the inside bottom face of standing groove (6), the top cover of double-screw bolt (7) is equipped with and is used for spacing nut, mounting block (8) have been placed to the inside of standing groove (6), double-screw bolt (7) with mounting block (8) through connection, output shaft connection end (41) and urceolus link (45) are fixed two respectively the surface of mounting block (8).

2. The combined steel structure truss of claim 1, wherein: each bottom inner side of the main rod (1) is fixed with a chassis (3), the longitudinal section of the chassis (3) is of a triangular structure, and the top end of the main rod (1) is further provided with a combined mechanism.

3. The combined steel structure truss of claim 2, wherein: the combined mechanism comprises a fixed hinge (13), the fixed hinge (13) consists of two symmetrical plate bodies and a rotating shaft which rotationally connects the two plate bodies, the surfaces of the two plate bodies are provided with through holes in a three-point mode, the top of the main rod (1) is provided with a screw hole (11) corresponding to the through hole, one of the plate bodies is in threaded connection with the screw hole (11) through a bolt through hole, an external rod body (9) is further arranged outside the main rod (1), an inserting rod (10) is fixed at the end part of the external rod body (9) facing the main rod (1), the top end surface of the main rod (1) is provided with a slot (12) for the insertion rod (10) to insert, the end surface of the external rod body (9) facing the main rod (1) is also provided with a screw hole (11), and the other plate body is fixed with a screw hole (11) on the outer rod body (9) through a bolt in a threaded manner.

4. The combined steel structure truss of claim 1, wherein: an inner supporting rod (5) is further welded between every two adjacent connecting rods (2), and two ends of each inner supporting rod (5) are located on an angular bisector between the main rod (1) and the corresponding connecting rod (2).

5. The combined steel structure truss of claim 4, wherein: the longitudinal sections of every two adjacent inner supporting rods (5) are in a splayed structure, the functional components (4) are parallel, and the inclination angles of the functional components (4) and one of the inner supporting rods (5) are equal.

6. The combined steel structure truss of claim 1, wherein: the external terminal comprises a mobile phone, a tablet, a computer and an intelligent bracelet.

7. The combined steel structure truss of claim 1, wherein: output shaft connection end (41) and urceolus connection end (45) orientation the tip of standing groove (6) all is the form of buckling, should buckle the form with the surface of installation piece (8) is the parallel form, installation piece (8) are the cuboid structure.

8. The method for installing the combined steel structure truss according to the claims 1-7, wherein the method comprises the following steps:

the method comprises the following steps: firstly, a main rod (1), a connecting rod (2) and an inner support rod (5) are welded and installed, then an output shaft connecting end (41) and an outer cylinder connecting end (45) are fixed on two installation blocks (8) through bolts or welding, the two installation blocks (8) are respectively placed at two opposite and staggered connecting rods (2), and are clamped into a placing groove (6) until the placing groove (6) is parallel to the inner side surface of the connecting rod (2), at the moment, a stud (7) penetrates through the placing groove (6), then, the bolt is sleeved on the stud (7) to complete fixation, and at the moment, the length of a functional component (4) is limited by the two staggered opposite connecting rods (2);

step two: when the functional component (4) is limited, the output shaft (48) drives the pressure head (47) to extrude the built-in spring (43), the built-in spring (43) is stressed and compressed at the moment, partial force is transmitted to the pressure sensor (46), the pressure sensor (46) transmits the received pressure to the signal transmitting end (44) through a connecting line, the signal transmitting end (44) transmits pressure data to the external terminal, the external terminal records the pressure value at the moment, the pressure value at the moment is determined as a pressure initial value, the pressure change range is set according to the pressure initial value, and a threshold value is set;

step three: according to the requirements, a plurality of trusses are installed, in the installation process, an external rod body (9) in an external truss is moved towards the top of a main rod (1), an insertion rod (10) is inserted into a slot (12) until the bottom end face of the external rod body (9) is attached to the top end face of the main rod (1), then a fixing hinge (13) is turned over, two plate bodies forming the fixing hinge (13) are respectively attached to opposite end faces of the main rod (1) and the external rod body (9), then the fixing hinge (13) penetrates through the bolt and is respectively fixed to the main rod (1) and the external rod body (9), through a three-point through hole, the stability is improved, and meanwhile, the insertion rod (10) is inserted into the slot (12) to form secondary stability;

step four: in long-term use, when the truss receives external force and self material aging factor, when leading to self to appear deforming, corresponding displacement can be made to output shaft (48), in case output shaft (48) displacement, pressure sensor (46)'s numerical value can change, pressure sensor (46) will change the numerical value condition and pass through signal transmitting terminal (44) and transmit for external terminal simultaneously, external terminal can master the deformation condition of truss in real time, in case the deformation of truss exceeds the threshold value of settlement, when transmitting for external terminal, carry out the early warning.

Background

The truss is a plane or space structure which is generally provided with triangular units and consists of straight rods, and the truss rod piece mainly bears axial tension or pressure, so that the strength of materials can be fully utilized, the material can be saved compared with a solid web beam when the span is large, the self weight is reduced, the rigidity is increased, and the truss is one of common mechanical structures.

The existing truss achieves the purpose of normal use through the installation position of a steel structure and the material performance of the truss, but because the truss is simple in structure, the truss does not have any structure or function capable of early warning, in long-time use, the truss can be extruded by various external forces, once the fatigue degree of the material is increased, the problem of truss fracture is easily caused, the main supporting force of the existing truss is formed outside the truss, the supporting force inside the truss is lower, and a plurality of existing trusses are assembled, the difficulty is higher, so that the truss has great limitation in actual use, and the truss has a space capable of being improved.

Disclosure of Invention

The invention aims to provide a combined steel structure truss to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a combined steel structure truss comprises four main rods which are perpendicular to each other, a plurality of connecting rods are connected between every two adjacent main rods, a vertically inclined functional assembly is further arranged on the inner side of each main rod, and two ends of each functional assembly face the inner side faces of the two opposite connecting rods respectively; the functional component comprises an output shaft, an outer cylinder and an internal spring, wherein a pressure head is fixed at one end of the output shaft and is positioned in the outer cylinder;

the pressure sensor is arranged on the bottom end face of the inner part of the outer barrel, the output end of the pressure sensor is connected with a connecting wire penetrating to the outer part of the outer barrel, the end part of the connecting wire is also provided with a signal transmitting end, and the signal transmitting end is connected with an external terminal;

the built-in spring is arranged in the outer barrel, and two ends of the built-in spring are respectively abutted against the pressure sensor and the pressure head;

the other end of output shaft is fixed with the output shaft link, the bottom mounting of urceolus has the urceolus link, is in the opposite connecting rod medial surface in function block both ends department has all seted up the standing groove, be fixed with the double-screw bolt on the inside bottom face of standing groove, the top cover of double-screw bolt is equipped with and is used for spacing nut, the installation piece has been placed to the inside of standing groove, the double-screw bolt with installation piece through connection, output shaft link and urceolus link are fixed respectively two the surface of installation piece.

Preferably, each bottom inboard of mobile jib all is fixed with the chassis, the longitudinal section on chassis is the triangle-shaped structure, the top of mobile jib still is provided with the combined mechanism.

Preferably, the combined mechanism includes a fixed hinge, the fixed hinge is composed of two symmetrical plate bodies and a rotating shaft connecting the two plate bodies in a rotating manner, the two plate bodies are provided with through holes in a three-point manner on the surfaces thereof, screw holes corresponding to the through holes are formed in the top of the main rod, one of the plate bodies penetrates through the through holes and is in threaded connection with the screw holes through bolts, an external rod body is further arranged on the outer portion of the main rod, faces towards the end portion of the main rod and is fixedly provided with an inserted rod, a slot for inserting the inserted rod is formed in the top end face of the main rod, the screw holes are formed in the end surface of the main rod towards the external rod body, and the other plate body is fixed with the screw holes in the external rod body through bolts in a threaded manner.

Preferably, an inner supporting rod is further welded between every two adjacent connecting rods, and two ends of each inner supporting rod are located on an angular bisector between the main rod and the corresponding connecting rod.

Preferably, the longitudinal sections of every two adjacent inner supporting rods are in a splayed structure, a plurality of functional components are parallel, and the inclination angles of the functional components and one of the inner supporting rods are equal.

Preferably, the external terminal comprises a mobile phone, a tablet, a computer and an intelligent bracelet.

Preferably, the output shaft connecting end and the outer cylinder connecting end face towards the end of the placing groove, the end of the placing groove is bent, the bent end and the surface of the mounting block are parallel, and the mounting block is of a cuboid structure.

The invention also discloses an installation method of the combined steel structure truss, which comprises the following steps:

the method comprises the following steps: firstly, welding and mounting a main rod, a connecting rod and an inner supporting rod, then fixing an output shaft connecting end and an outer cylinder connecting end on two mounting blocks through bolts or welding, respectively placing the two mounting blocks at two opposite and staggered connecting rods, clamping the two mounting blocks into a placing groove until the placing groove is parallel to the inner side surface of the connecting rod, penetrating a stud through the placing groove, sleeving a bolt on the stud to finish fixing, and limiting the length of a functional component by the two staggered and opposite connecting rods;

step two: when the functional component is limited, the output shaft drives the pressure head to extrude the built-in spring, the built-in spring is stressed and compressed at the moment and transmits partial force to the pressure sensor, the pressure sensor transmits the received pressure to the signal transmitting end through the connecting wire, the signal transmitting end transmits pressure data to the external terminal, the external terminal records a pressure value at the moment and determines the pressure value at the moment as a pressure initial value, a pressure change range is set according to the pressure initial value, and a threshold value is set;

step three: according to the requirements, a plurality of trusses are installed, in the installation process, an external rod body in an external truss is moved towards the top of a main rod, an inserted rod is inserted into a slot until the bottom end face of the external rod body is attached to the top end face of the main rod, then a fixing hinge is turned over, two plate bodies forming the fixing hinge are respectively attached to the main rod and the opposite end faces of the external rod body, then the fixing hinge penetrates through the fixing hinge through bolts and are respectively fixed to the main rod and the external rod body, the stability is improved through a three-point through hole, and meanwhile, secondary stability is formed by inserting the inserted rod into the slot;

step four: in long-term use, receive external force and self material aging factor when the truss, when leading to self to appear deforming, the output shaft can make corresponding displacement, in case the output shaft displacement, pressure sensor's numerical value can change, pressure sensor will change the numerical value condition and pass through the signal transmission end and transmit for external terminal simultaneously, external terminal can master the deformation condition of truss in real time, in case the deformation of truss exceeds the threshold value of settlement, when transmitting for external terminal, carry out the early warning.

Compared with the prior art, the invention has the beneficial effects that:

1. through the designed functional component, the interior of the truss can be supported in an auxiliary manner, meanwhile, the deformation of the truss is monitored in real time, once the deformation exceeds a set threshold value, an alarm can be given out in time to remind workers of replacing and maintaining in time, safety accidents are avoided, the functionality and safety of the truss are improved, the functional component is easy to disassemble and assemble, can adapt to trusses of different sizes, and is wide in range;

2. through the fixed hinge, inserted bar and the slot of design, can be simple quick with a plurality of truss composite mounting, stability can also obtain guaranteeing simultaneously, great improvement work efficiency, perfect not enough in the current structure.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of a functional assembly of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the area B in FIG. 1 according to the present invention.

In the figure: 1. a main rod; 2. a connecting rod; 3. a chassis; 4. a functional component; 41. an output shaft connecting end; 42. an outer cylinder; 43. a built-in spring; 44. a signal transmitting terminal; 45. an outer cylinder connecting end; 46. a pressure sensor; 47. a pressure head; 48. an output shaft; 5. an inner support bar; 6. a placement groove; 7. a stud; 8. mounting blocks; 9. an outer rod body; 10. inserting a rod; 11. a screw hole; 12. a slot; 13. and fixing the hinge.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a combined steel structure truss comprises four main rods 1 which are perpendicular to each other, a plurality of connecting rods 2 are connected between every two adjacent main rods 1, a vertically inclined functional assembly 4 is further arranged on the inner side of each main rod 1, the interior of the truss can be supported in an auxiliary mode through the designed functional assembly 4, deformation of the truss is monitored in real time, once the deformation exceeds a set threshold value, an alarm can be sent out in time to remind workers of replacement and maintenance in time, safety accidents are avoided, the functionality and the safety of the truss are improved, the functional assemblies are easy to assemble and disassemble and can adapt to trusses of different sizes, the range is wide, and two ends of each functional assembly 4 face the inner side faces of the two opposite connecting rods 2; the functional component 4 comprises an output shaft 48, an outer cylinder 42 and an internal spring 43, wherein a pressure head 47 is fixed at one end of the output shaft 48 and is positioned inside the outer cylinder 42;

a pressure sensor 46 is arranged on the bottom end face of the inner part of the outer cylinder 42, a connecting wire penetrating to the outer part of the outer cylinder 42 is connected to the output end of the pressure sensor 46, a signal transmitting end 44 is also arranged at the end part of the connecting wire, and the signal transmitting end 44 is connected with an external terminal;

the built-in spring 43 is built in the outer cylinder 42, and both ends of the built-in spring 43 respectively abut against the pressure sensor 46 and the pressure head 47 for transmitting and reacting the pressure;

the other end of output shaft 48 is fixed with output shaft connection end 41, the bottom mounting of urceolus 42 has urceolus link 45, be in that standing groove 6 has all been seted up to the opposite connecting rod 2 medial surface in functional unit 4 both ends department, be fixed with double-screw bolt 7 on standing groove 6's the inside bottom face, the top cover of double-screw bolt 7 is equipped with and is used for spacing nut, mounting block 8 has been placed to standing groove 6's inside, double-screw bolt 7 and 8 through connections of mounting block, output shaft connection end 41 is fixed respectively on two 8 surfaces of mounting block with urceolus link 45.

In this embodiment, preferably, a chassis 3 is fixed on the inner side of the bottom end of each main rod 1, the longitudinal section of the chassis 3 is a triangular structure, and a combination mechanism is further arranged at the top end of the main rod 1.

In this embodiment, preferably, the combining mechanism includes a fixing hinge 13, a plurality of trusses can be simply and rapidly assembled and installed by designing the fixing hinge 13, the insert rod 10 and the slot 12, and stability can be ensured, thereby greatly improving work efficiency, and overcoming the defects in the existing structure, the fixing hinge 13 is composed of two symmetrical plate bodies and a rotating shaft for rotatably connecting the two plate bodies, the surfaces of the two plate bodies are provided with three-point type through holes, the top of the main rod 1 is provided with a screw hole 11 corresponding to the through hole, one of the plate bodies is in threaded connection with the screw hole 11 through a bolt penetrating through the through hole, the outer part of the main rod 1 is further provided with an outer rod body 9, the end part of the outer rod body 9 facing the main rod 1 is fixed with the insert rod 10, the top end surface of the main rod 1 is provided with the slot 12 for inserting the insert rod 10, the end surface of the outer rod body 9 facing the main rod 1 is also provided with the screw hole 11, and the other plate body is fixed with a screw hole 11 on the outer rod body 9 through a bolt in a threaded manner.

In this embodiment, preferably, an inner supporting rod 5 is further welded between every two adjacent connecting rods 2, and two ends of the inner supporting rod 5 are located on an angular bisector between the main rod 1 and the connecting rods 2.

In this embodiment, preferably, the longitudinal section of each two adjacent inner supporting rods 5 is in a "v" shape, the plurality of functional modules 4 are parallel, and the inclination angles of the functional modules 4 and one of the inner supporting rods 5 are equal, so that the supporting capability is improved.

In this embodiment, preferably, the external terminal includes a mobile phone, a tablet, a computer, and an intelligent bracelet.

In this embodiment, it is preferable that the output shaft connection end 41 and the end of the outer cylinder connection end 45 facing the placement groove 6 are both bent parallel to the surface of the mounting block 8, and the mounting block 8 has a rectangular parallelepiped structure.

The invention also discloses an installation method of the combined steel structure truss, which comprises the following steps:

the method comprises the following steps: firstly, welding and mounting a main rod 1, a connecting rod 2 and an inner support rod 5, then fixing an output shaft connecting end 41 and an outer cylinder connecting end 45 on two mounting blocks 8 through bolts or welding, respectively placing the two mounting blocks 8 at two opposite and staggered connecting rods 2, and clamping the two mounting blocks into a placing groove 6 until the placing groove 6 is parallel to the inner side surface of the connecting rod 2, wherein a stud 7 penetrates through the placing groove 6, then sleeving bolts on the stud 7 to complete fixing, and the length of a functional component 4 is limited by the two staggered and opposite connecting rods 2;

step two: when the functional component 4 is limited, the output shaft 48 drives the pressure head 47 to extrude the built-in spring 43, the built-in spring 43 is stressed and compressed at the moment, partial force is transmitted to the pressure sensor 46, the pressure received by the pressure sensor 46 is transmitted to the signal transmitting end 44 through a connecting line, the signal transmitting end 44 transmits pressure data to an external terminal, the external terminal records a pressure value at the moment, the pressure value at the moment is set as a pressure initial value, a pressure change range is set according to the pressure initial value, and a threshold value is set;

step three: according to the requirements, a plurality of trusses are installed, in the installation process, an outer rod body 9 in an outer truss is moved towards the top of a main rod 1, an insert rod 10 is inserted into a slot 12 until the bottom end face of the outer rod body 9 is attached to the top end face of the main rod 1, then a fixing hinge 13 is turned over, two plate bodies forming the fixing hinge 13 are respectively attached to opposite end faces of the main rod 1 and the outer rod body 9, then the fixing hinge 13 penetrates through a bolt and is respectively fixed with the main rod 1 and the outer rod body 9, the stability is improved through a three-point through hole, and meanwhile, the insert rod 10 is inserted into the slot 12 to form secondary stability;

step four: in long-term use, when the truss receives external force and self material aging factor, when leading to self to appear deforming, output shaft 48 can make corresponding displacement, in case output shaft 48 displacement, pressure sensor 46's numerical value can change, pressure sensor 46 will change the numerical value condition and transmit for external terminal through signal transmitting terminal 44 simultaneously, external terminal can master the deformation condition of truss in real time, in case the deformation of truss exceeds the threshold value of settlement, when transmitting for external terminal, carry out the early warning.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.