1. A building laser measuring device comprises a fixed seat (1) and is characterized in that two groups of guide plates (2) are symmetrically arranged on two sides of the upper surface of the fixed seat (1) respectively, a sliding groove (3) is formed in one side of each of the two groups of guide plates (2) which is close to each other in an inclined mode, two semicircular clamping plates (4) are symmetrically arranged on the upper portion of the fixed seat (1), a baffle (5) is fixedly connected to one side of each of the two semicircular clamping plates (4) which is far away from each other, sliding rods (6) used for sliding in the sliding grooves (3) are respectively arranged on the baffle (5) and on two sides of the baffle (5), a shell (7) is arranged on the fixed seat (1), through holes (8) are symmetrically formed in the outer surface of the upper portion of the shell (7), and the upper end of one semicircular clamping plate (4) is fixedly connected with one end of a nylon rope (9), the other end of the nylon rope (9) is fixedly connected with the upper end of the other semicircular clamping plate (4) after sequentially passing through the two through holes (8), a laser emitter is arranged at the top of the inner side of the shell (7), and a cylindrical balancing weight (10) is arranged at the bottom of the laser emitter.

2. The building laser measuring device according to claim 1, characterized in that the top of the inner side of the housing (7) and the top of the laser emitter are respectively provided with a short cylinder (11), the short cylinder (11) arranged on the top of the inner side of the housing (7) is rotatably connected with the housing (7), the short cylinder (11) arranged on the top of the laser emitter is fixedly connected with the laser emitter, the short cylinder (11) arranged on the top of the housing (7) is rotatably connected with one end of a movable round rod (12) through a second pin shaft, and the other end of the movable round rod (12) is rotatably connected with the short cylinder (11) arranged on the top of the laser emitter through a third pin shaft.

3. The building laser measuring device according to claim 1, wherein a round rod (13) is arranged inside the sliding chute (3), one end of the round rod (13) is fixedly connected with the lower end of the sliding chute (3), and the other end of the round rod (13) penetrates through the sliding rod (6) and is fixedly connected with the upper end of the sliding chute (3).

4. The building laser measuring device according to claim 3, characterized in that a spring (14) is sleeved on the round rod (13) and between the sliding rod (6) and the upper end of the chute (3).

5. The building laser measuring device according to claim 1, wherein four columns (15) are arranged on the circumferential array of the outer surface of the bottom of the fixed seat (1), through grooves (16) are respectively formed in one ends, far away from the fixed seat (1), of the four columns (15), double-headed feet (17) are rotatably connected in the through grooves (16) through pin shafts respectively, and bolts (18) for fixing the double-headed feet (17) are connected to the upper portions of the columns (15) in a threaded manner.

6. Laser measuring device for buildings according to claim 5, characterized in that the double-ended foot (17) is conical at one end and circular at the other end.

7. The building laser measuring device according to claim 1, wherein the outer surface of the outer shell (7) is symmetrically provided with fixed shafts (20) at two sides, one ends of the two fixed shafts (20) close to each other are fixedly connected with the outer shell (7), one ends of the two fixed shafts (20) far away from each other are respectively and rotatably connected with the end parts of telescopic rods (21), and the bottom ends of the two telescopic rods (21) are fixedly connected with the upper surface of the annular fixed disc (22).

8. The building laser measuring device as claimed in claim 7, wherein a clip hook (23) for hanging the nylon rope (9) is fixedly connected to the middle of the annular fixed disc (22).

9. Laser building measuring device according to claim 1, characterized in that the inside diameter of the semicircular clamping plate (4) is equal to the outside diameter of the cylindrical counterweight (10).

10. Laser building measuring device according to any of claims 1-9, characterized in that the two semicircular clamping plates (4) are provided with a rubber cushion (19) on their sides adjacent to each other.

Background

The laser level measuring device, namely the laser level meter, has the advantages of accurate and rapid measurement and the like, is widely applied to the fields of large buildings, decoration engineering buildings, decoration and the like, and is continuously expanded along with the application field of laser projection. Laser level is a relatively common building decoration tool. Have diversified laser emitter through frame connection in the laser level appearance, set up a plurality of laser lamps on laser emitter's each face promptly, can output level and vertically cross facula be water flat line and perpendicular line promptly to the projection is to the wall on, so that the construction.

The Chinese patent with the publication number of CN212298323U discloses a laser leveling device for construction engineering, which comprises a housing, a base is installed at the bottom of the housing, a frame is fixedly connected with the upper end of the base, a controller is installed at the upper end of the frame, the upper end of the controller penetrates through the housing wall and extends upwards, a control button is installed, a universal ball is installed on the frame, a universal rod is fixedly connected with the universal ball, a laser emitter is fixedly connected with the other end of the universal rod, a swing arm is installed at the center of the bottom of the laser emitter, a limiting mechanism is installed on the base, one end of the swing arm far away from the laser emitter is fixedly connected with a balancing weight, a laser emitting port is formed in the position of the housing wall corresponding to the laser emitter, and the limiting mechanism comprises a movable groove, a movable block, a fixed plate, a limiting mechanism, a movable groove, a movable block, a fixed plate and a positioning block, Threaded rod, curved fly leaf and support the board, the activity groove is seted up in the base upper end, activity groove and movable block sliding connection, be equipped with the screw hole in the movable block, the threaded rod rotates with the cell wall in opposite directions through two bearings and activity groove to be connected, bearing and shell and outside extension are passed to the one end of threaded rod, be equipped with the screw thread that the opposite symmetry of direction set up on the threaded rod, two movable block symmetry threaded connection is on the threaded rod, two the upper end of movable block passes the activity groove notch, and respectively with two fly leaf bottom fixed connection, the fly leaf is close to on the lateral wall of balancing weight through buffer gear with support the board and be connected.

However, the device has the following defect that the device can only limit the single degree of freedom of the balancing weight in a normal state through the threaded rod and the movable block, the limiting effect is unsatisfactory, the balancing weight is separated from the constraint of the threaded rod and the movable block, the balancing weight is abraded in the carrying and moving process, and the use of the laser measuring device is influenced.

Disclosure of Invention

The invention aims to provide a building laser measuring device, and aims to solve the problems that a laser level measuring device for building engineering in the prior art can only limit a balancing weight in a single degree of freedom under a normal state through a threaded rod and a movable block, the limiting effect is not ideal, the balancing weight is separated from the constraint of the threaded rod and the movable block, the balancing weight is abraded in the carrying and moving process, and the use of the laser measuring device is influenced.

In order to achieve the purpose, the invention adopts the following technical scheme: the building laser measuring device comprises a fixed seat, two groups of guide plates are symmetrically arranged on two sides of the upper surface of the fixed seat respectively, a sliding groove is formed in one side of each guide plate, which is close to each other, in each group of guide plates, a sliding groove is obliquely formed in one side, which is symmetrically arranged on the upper portion of the fixed seat, two semicircular clamping plates are symmetrically arranged on the upper portion of the fixed seat, a baffle is fixedly connected to one side, which is far away from each other, of each semicircular clamping plate respectively, sliding rods for sliding in the sliding grooves are arranged on the two sides, which are positioned on the baffle, of each baffle respectively, a shell is arranged on the fixed seat, through holes are symmetrically formed in the outer surface of the upper portion of each shell, the upper end of one semicircular clamping plate is fixedly connected with one end of a nylon rope, the other end of the nylon rope is fixedly connected with the upper end of the other semicircular clamping plate after passing through the two through holes in sequence, and a laser emitter is arranged at the top of the inner side of the shell, the bottom of the laser emitter is provided with a cylindrical balancing weight.

In order to enable the laser emitter to always keep a vertically downward working state in the shell, the further technical scheme of the invention is that the top of the inner side of the shell and the top of the laser emitter are respectively provided with a short cylinder, the short cylinder arranged at the top of the inner side of the shell is rotatably connected with the shell, the short cylinder arranged at the top of the laser emitter is fixedly connected with the laser emitter, the short cylinder arranged at the top of the shell is rotatably connected with one end of a movable round rod through a second pin shaft, and the other end of the movable round rod is rotatably connected with the short cylinder arranged at the top of the laser emitter through a third pin shaft.

In order to make the sliding rod move more stably in the sliding chute, the invention adopts the further technical scheme that a round rod is arranged in the sliding chute, one end of the round rod is fixedly connected with the lower end of the sliding chute, and the other end of the round rod penetrates through the sliding rod and then is fixedly connected with the upper end of the sliding chute.

In order to facilitate the sliding rod to be positioned at the lower end of the sliding chute in the working state, the invention adopts the further technical scheme that a spring is sleeved on the round rod and positioned between the sliding rod and the upper end of the sliding chute.

In order to conveniently place the laser measuring device, the invention adopts the further technical scheme that four cylinders are arranged on the circumferential array of the outer surface of the bottom of the fixed seat, through grooves are respectively formed in one ends, far away from the fixed seat, of the four cylinders, double-headed feet are respectively and rotatably connected in the through grooves through pin shafts, and bolts used for fixing the double-headed feet are in threaded connection with the upper parts of the cylinders.

In order to increase the placing range of the laser measuring device, the invention adopts the further technical scheme that one end of the double-head ground pin is conical, and the end face of the other end of the double-head ground pin is round.

In order to improve the stability of the device in the carrying process conveniently, the invention adopts the further technical scheme that fixing shafts are symmetrically arranged on two sides of the outer surface of the shell, one ends, close to the two fixing shafts, of the fixing shafts are fixedly connected with the shell, the other ends, far away from the two fixing shafts, of the fixing shafts are respectively connected with the end parts of telescopic rods in a rotating mode, and the bottom ends of the two telescopic rods are fixedly connected with the upper surface of the annular fixing disc.

In order to reduce the fatigue of the nylon rope controlled by manpower for a long time in the carrying process, the invention adopts the further technical scheme that the middle part of the annular fixed disc is fixedly connected with a loop-shaped hook for hooking the nylon rope.

In order to protect the balancing weight more stably, the further technical scheme of the invention is that the diameter of the inner side of the semicircular clamping plate is equal to the outer diameter of the cylindrical balancing weight.

In order to reduce the abrasion caused by the contact of the semicircular clamping plates and the balancing weight, the invention has the further technical scheme that rubber cushion layers are respectively arranged on the sides, close to each other, of the two semicircular clamping plates.

The invention has the beneficial effects that:

1. by arranging the guide plate, the semicircular clamping plates, the baffle plate, the sliding rod, the nylon rope, the sliding groove formed in the guide plate and the through hole formed in the shell, one end of the nylon rope is fixedly connected with the semicircular clamping plates, the other end of the nylon rope is fixedly connected with the other semicircular clamping plate through the two through holes formed in the shell in sequence, then the nylon rope positioned in the interval of the two through holes formed in the shell is lifted, the nylon rope drives the baffle plate, the baffle plate moves upwards in the sliding groove formed in the guide plate through the sliding rod, so that the two semicircular clamping plates clamp the balancing weight, the device can limit the front, back, left and right degrees of freedom of the balancing weight under the normal state, prevent the balancing weight from colliding with the inner side wall of the shell in the carrying process, and loosen the nylon rope after the carrying is finished, and the semicircular clamping plates automatically slide down under the action of gravity, the counterweight block is not limited, and the normal use of the laser measuring device is not influenced.

2. Through setting up round bar and spring, through the in-process that nylon rope upwards mentioned laser measuring device, the slide bar is along the spout upward movement that the round bar seted up on the deflector, slide bar extrusion spring, the speed that the in-process that prevents to upwards lift leads to the slide bar to remove because of lacking the buffering is too fast, make the slide bar drive baffle and semi-circular grip block upward movement's speed too fast, cause wearing and tearing to the balancing weight, and simultaneously, after the transport is accomplished, loosen the nylon rope, under the effect of spring and gravity, promote the slide bar along the round bar downstream, drive baffle and semi-circular grip block downstream, make semi-circular grip block can not exert an influence to balancing weight normal work, can reduce the friction between semi-circular grip block and the balancing weight through setting up the rubber cushion layer.

3. The annular fixing disc is moved towards the direction far away from the fixing shaft by arranging the fixing shaft, the annular fixing disc and the telescopic rod and stretching the telescopic rod, when the double-head ground feet damage the ground of a working place, the double-head ground feet are replaced by the annular fixing disc, the laser measuring device is placed, and the direction of the laser measuring device is automatically adjusted on the telescopic rod under the action of the fixing shaft and the self gravity, so that the laser measuring device can be always kept in a vertical state; through setting up the type hook that returns, at transport laser measuring device's in-process, rotate annular fixed disk and telescopic link round the fixed axle, make the annular fixed disk rotate laser measuring device's upper portion, then with the nylon rope articulate the type hook that returns, adjust the elasticity of nylon rope through the adjustment telescopic link, replace staff control nylon rope, prevent the in-process of transport because of the wearing and tearing that artificial error caused the balancing weight.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the embodiment of the present invention.

Fig. 3 is a partially enlarged view of a in fig. 2.

Fig. 4 is a schematic diagram of the structure of the fixing base, the guide plate and the semicircular clamping plate according to the embodiment of the invention.

Fig. 5 is a partially enlarged view of B in fig. 4.

FIG. 6 is a schematic view of the ring-shaped fixed plate, the telescopic rod and the clip hook according to the embodiment of the present invention.

FIG. 7 is a schematic structural view of a stud anchor, a bolt and a cylinder according to an embodiment of the present invention.

In the figure: 1. a fixed seat; 2. a guide plate; 3. a chute; 4. a semicircular clamping plate; 5. a baffle plate; 6. a slide bar; 7. a housing; 8. a through hole; 9. a nylon cord; 10. a balancing weight; 11. a short cylinder; 12. a movable round bar; 13. a round bar; 14. a spring; 15. a cylinder; 16. a through groove; 17. a double-ended ground leg; 18. a bolt; 19. a rubber cushion layer; 20. a fixed shaft; 21. a telescopic rod; 22. an annular fixed disc; 23. and (4) a clip hook.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1-7, a building laser measuring device comprises a fixed base 1, two sets of guide plates 2 are symmetrically arranged on two sides of the upper surface of the fixed base 1, a sliding groove 3 is obliquely arranged on one side of each of the two sets of guide plates 2, two semicircular clamping plates 4 are symmetrically arranged on the upper portion of the fixed base 1, a baffle 5 is fixedly connected to one side of each of the two semicircular clamping plates 4, which is far away from each other, a sliding rod 6 for sliding in the sliding groove 3 is respectively arranged on each of the baffle 5 and on two sides of the baffle 5, a housing 7 is arranged on the fixed base 1, through holes 8 are symmetrically arranged on the outer surface of the upper portion of the housing 7, the upper end of one semicircular clamping plate 4 is fixedly connected with one end of a nylon rope 9, and the other end of the nylon rope 9 is fixedly connected with the upper end of the other semicircular clamping plate 4 after passing through the two through holes 8 in sequence, the top of the inner side of the shell 7 is provided with a laser emitter, and the bottom of the laser emitter is provided with a cylindrical balancing weight 10.

In the embodiment, when carrying, the nylon rope 9 between the two through holes 8 on the housing 7 is lifted, the nylon rope 9 drives the two semicircular clamping plates 4 to move upwards, the semicircular clamping plates 4 drive the sliding rods 6 to move upwards in the sliding grooves 3 formed on the guide plate 2 through the baffle plates 5, thereby driving the two semicircular clamping plates 4 to limit the balancing weight 10 in the upward movement process, finishing the limit of the balancing weight 10 when the two semicircular clamping plates 4 stop moving, the device can limit the front, back, left and right degrees of freedom of the counterweight block 10 in a normal state, prevent the counterweight block 10 from colliding with the inner side wall of the shell 7 in the process of carrying and moving, loosen the nylon rope 9 after carrying, the semicircular clamping plate 4 automatically slides down under the action of gravity, so that the movement of the balancing weight 10 is not limited, and the normal use of the laser measuring device is not influenced.

In another embodiment of the present invention, the top of the inner side of the housing 7 and the top of the laser emitter are respectively provided with a short cylinder 11, the short cylinder 11 arranged at the top of the inner side of the shell 7 is rotationally connected with the shell 7, the short cylinder 11 arranged at the top of the laser emitter is fixedly connected with the laser emitter, the short cylinder 11 positioned at the top of the shell 7 is rotationally connected with one end of a movable round bar 12 through a second pin shaft, the other end of activity round bar 12 is connected with the short cylinder 11 rotation that is located the laser emitter top through the third round pin axle, and activity round bar 12 can rotate round short cylinder 11 in shell 7 through setting up short cylinder 11 at the inboard top of shell 7, and laser emitter rotates with activity round bar 12 through setting up short cylinder 11 at its top to be connected, and laser emitter passes through activity round bar 12 free rotation in shell 7, and laser emitter can keep perpendicular decurrent operating condition in shell 7.

Specifically, a round rod 13 is arranged inside the chute 3, one end of the round rod 13 is fixedly connected with the lower end of the chute 3, the other end of the round rod 13 penetrates through the sliding rod 6 and is fixedly connected with the upper end of the sliding chute 3, a spring 14 is sleeved on the round rod 13 and positioned between the sliding rod 6 and the upper end of the sliding chute 3, the semicircular clamping plate 4 is driven by the nylon rope 9 to move upwards, the semicircular clamping plate 4 drives the baffle 5 to move, the baffle 5 drives the sliding rod 6 to move in the sliding groove 3 formed on the guide plate 2, and the slide rod 6 moves upward along the round bar 13, the slide rod 6 presses the spring 14 simultaneously during the upward movement, the spring 14 slows down the moving speed of the slide rod 6, therefore, the impact force generated when the semicircular clamping plate 4 clamps and limits the counterweight block 10 is small, and the counterweight block 10 is prevented from being abraded due to the fact that the speed of the semicircular clamping plate 4 is too high.

Further, the bottom surface circumference array of fixing base 1 is provided with four cylinders 15, four the logical groove 16 has been seted up respectively to the one end of keeping away from fixing base 1 on the cylinder 15, it is connected with double-end lower margin 17 to rotate through the round pin axle respectively in the logical groove 16, the upper portion threaded connection of cylinder 15 is used for the bolt 18 fixed to double-end lower margin 17, the one end of double-end lower margin 17 is the toper, and the terminal surface of the other end is circular, when placing laser measuring device subaerially, selects the toper lower margin or the terminal surface of double-end lower margin 17 to be circular shape lower margin contact ground according to the circumstances on ground, selects to accomplish and fixes double-end lower margin 17 through spiral 18 after adjusting the angle, accomplishes placing of laser measuring device.

Further, the two fixing shafts 20 are symmetrically arranged on two sides of the outer surface of the shell 7, one ends of the two fixing shafts 20 close to each other are fixedly connected with the shell 7, one ends of the two fixing shafts 20 far away from each other are respectively connected with the end parts of the telescopic rods 21 in a rotating manner, the bottom ends of the two telescopic rods 21 are fixedly connected with the upper surface of the annular fixed disk 22, the middle part of the annular fixed disk 22 is fixedly connected with a clip hook 23 for hooking the nylon rope 9, when the laser measuring device is used, the annular fixed disk 22 is placed on a working ground instead of the double-head ground feet 17 by stretching the telescopic rods 21, the laser measuring device can automatically keep vertical downwards through the fixing shafts 20 and the telescopic rods 21 when the laser measuring device is placed, the convenience of the laser measuring device is improved, the trouble of adjusting levelness is reduced, and the length of the telescopic rods 21 can be adjusted according to the required height of work, make the device commonality stronger to upwards overturn annular fixed disk 22 in the in-process of transport, with nylon rope 9 on the hook 23 of returning the type, then through the elasticity of the length adjustment nylon rope 9 of adjustment telescopic link 21, can replace the manual elasticity that keeps nylon rope 9 of staff, reduce staff's fatigue and feel.

Specifically, the inboard diameter of semi-circular grip block 4 equals the external diameter of cylindrical balancing weight 10, two one side that is close to each other on the semi-circular grip block 4 is provided with rubber bed course 19 respectively, and when two semi-circular grip blocks 4 were spacing to balancing weight 10, semi-circular grip block 4 can be inseparabler with the laminating of balancing weight 10, prevent that balancing weight 10 from breaking away from the restraint of semi-circular grip block 4, and rubber bed course 19 can reduce the wearing and tearing of semi-circular grip block 4 and balancing weight 10, and improve the frictional force between semi-circular grip block 4 and the balancing weight 10, improve the spacing restraint stability of semi-circular grip block 4 to balancing weight 10.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically 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 in specific cases to those skilled in the art.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.