CN114523252A

CN114523252A - Truss fixing device for building

Info

Publication number: CN114523252A
Application number: CN202210357506.2A
Authority: CN
Inventors: 杨长城; 朱国云; 高超; 吴涛; 陈军
Original assignee: Anhui Guoxin Construction Group Co ltd
Current assignee: Anhui Guoxin Construction Group Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-05-24

Abstract

The invention discloses a truss fixing device for a building, which relates to the technical field of trusses and comprises a box body, wherein the inner wall of the box body is movably connected with a gear through a round shaft, a crank is movably arranged on the front face of the box body, one end of the crank movably penetrates through the box body and is fixedly connected with the front face of the gear, racks are movably arranged above and below the gear, opposite faces of the two racks are meshed with the gear, two fixing plates are fixedly arranged on the inner wall of the box body respectively, the surfaces of the racks are movably connected with the surfaces of the fixing plates, clamping plates are fixedly connected to the lower surfaces of the two racks, and the opposite faces of the two clamping plates are movably connected with the surface of a main beam. The invention solves the problems that when a cross beam or an oblique beam is welded, one hand is needed for fixing the position, one hand is needed for welding, the operation is inconvenient, and the angle of the manually fixed oblique beam is easy to deviate, so that the welding effect is poor.

Description

Truss fixing device for building

Technical Field

The invention relates to the technical field of trusses, in particular to a truss fixing device for a building.

Background

The truss is a supporting beam structure formed by connecting rod pieces at two ends by hinges through welding, riveting or bolts, and has the advantages that the rod pieces mainly bear tension or pressure, so that the strength of materials can be fully utilized, materials can be saved compared with a real web girder when the span is large, the self weight is reduced, the rigidity is increased, the truss can be divided into a triangular truss, a trapezoidal truss, a polygonal truss, an open web truss and a truss bridge according to the structure, the truss can be divided into a fixed truss, a folding truss, a butterfly truss and a ball joint truss according to the product type, when part of polygonal trusses are welded, the main girder frame needs to be fixed firstly, and then the cross beam or the oblique beam is welded on the main girder.

In the prior art, when a girder is a truss with two parallel columns, a girder frame needs to be fixed firstly, and then a beam or an oblique beam needs to be welded on the girder, so that the beam or the oblique beam needs to be fixed by one hand and welded by one hand, the operation is inconvenient, and the angle of the oblique beam fixed manually is easy to deviate, so that the welding effect is poor.

Disclosure of Invention

The invention provides a truss fixing device for a building, which has the advantages of being convenient for fixing a cross beam or an oblique beam and adjusting the angle of the oblique beam, and solves the problems that the cross beam or the oblique beam is fixed by one hand, the cross beam or the oblique beam is welded by one hand, the operation is inconvenient, the angle of the oblique beam fixed by hand is easy to deviate, and the welding effect is poor.

In order to realize the purposes of conveniently fixing the cross beam or the oblique beam and conveniently adjusting the angle of the oblique beam, the invention provides the following technical scheme: a truss fixing device for buildings comprises a box body, wherein a gear is movably connected to the inner wall of the box body through a circular shaft, a crank is movably arranged on the front face of the box body, one end of the crank movably penetrates through the box body and is fixedly connected with the front face of the gear, racks are movably arranged above and below the gear, opposite faces of the two racks are meshed with the gear, two fixing plates are fixedly arranged on the inner wall of the box body respectively, the surfaces of the racks are movably connected with the surfaces of the fixing plates, clamping plates are fixedly connected to the lower surfaces of the two racks, opposite faces of the two clamping plates are movably connected with the surface of a main beam, a fixing block is fixedly connected to the lower surface of the box body, a clamping rod is movably arranged on the lower surface of the fixing block, a square groove is formed in the fixing block, the top of the clamping rod movably penetrates through the fixing block and is fixedly sleeved with a gear ring, the surface of ring gear and the inner wall swing joint of square groove, the left side of ring gear is provided with locking mechanism, the front of clamping bar has been seted up and has been pressed from both sides the groove, the inner wall in clamp groove and the surface swing joint of crossbeam, the bottom threaded connection of clamping bar has the threaded rod, the top of threaded rod and the lower surface swing joint of crossbeam.

As a preferred technical scheme, the locking mechanism comprises an arc-shaped plate, a sawtooth groove is formed in the right side of the arc-shaped plate and is meshed with a gear ring, a pull rod is movably arranged on the left side of a fixed block, the right end of the pull rod movably penetrates through the fixed block and is fixedly connected with the left side of the arc-shaped plate, a spring is movably sleeved on the surface of the pull rod, the left end of the spring is fixedly connected with the left side of the inner wall of a square groove, and the right end of the spring is fixedly connected with the left side of the arc-shaped plate.

As a preferable technical scheme of the invention, the opposite surfaces of the two clamping plates are provided with clamping grooves, and the inner walls of the two clamping grooves are movably connected with the surface of the main beam.

As a preferred technical scheme of the invention, the back-off surfaces of the two racks are fixedly connected with stop blocks, the top and the bottom of the inner wall of the box body are provided with elongated slots, and the inner walls of the two elongated slots are respectively movably connected with the surfaces of the two stop blocks.

As a preferable technical scheme of the invention, the front surface of the box body is movably provided with a round rod, and one end of the round rod movably penetrates through the box body and is movably connected with the surface of the gear.

According to a preferable technical scheme of the invention, sawtooth pads are fixedly arranged on the inner walls of the two clamping grooves, and the surfaces of the two sawtooth pads are movably connected with the surface of the main beam.

Compared with the prior art, the invention provides a truss fixing device for a building, which has the following beneficial effects:

the fixing device for welding the truss is characterized in that a box body, a gear, clamping plates, clamping rods and a locking mechanism are arranged, when a beam or an oblique beam is welded on the truss with a main beam of two parallel columns, clamping grooves of the two clamping plates are aligned with the two parallel columns of the main beam, a crank is rotated clockwise and drives the gear to rotate, the gear drives the two clamping plates to move in opposite directions through two racks until sawtooth pads of the two clamping plates clamp the main beam, the circular rod is inserted into the clamping grooves, the gear cannot rotate, then the beam is placed in the clamping grooves, a threaded rod is rotated to clamp the beam, the pull rod is pulled leftwards and drives an arc-shaped plate to move leftwards and separate from a gear ring, the beam is rotated to be in a welding position, then the pull rod is loosened, under the reset action of a spring, the sawtooth grooves are meshed with the gear ring, the gear ring is locked and cannot rotate, and the position of the beam is fixed, convenient welding, through the rotation of ring gear, can the adjustment crossbeam angle, fixed back does not need manual support, convenient welding, consequently, has reached the fixed beam or the sloping of being convenient for to the effect of the adjustment sloping angle of being convenient for has solved and has needed one hand fixed position when welding crossbeam or sloping usually, and one hand welding, the operation is inconvenient, and the angle of the manually fixed sloping squints easily, leads to the poor problem of welding effect.

Drawings

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

FIG. 2 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a sectional top view of a ring gear of the present invention.

In the figure: 1. a box body; 2. a gear; 3. a crank; 4. a rack; 5. a fixing plate; 6. a splint; 7. a main beam; 8. a fixed block; 9. a clamping bar; 10. a square groove; 11. a ring gear; 12. a locking mechanism; 1201. an arc-shaped plate; 1202. a sawtooth groove; 1203. a pull rod; 1204. a spring; 13. a clamping groove; 14. a cross beam; 15. a threaded rod; 16. a card slot; 17. a stop block; 18. a long groove; 19. a round bar; 20. a sawtooth pad.

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. 1-4, a truss fixing device for a building comprises a box body 1, wherein the inner wall of the box body 1 is movably connected with a gear 2 through a circular shaft, the front surface of the box body 1 is movably provided with a crank 3, one end of the crank 3 movably penetrates through the box body 1 and is fixedly connected with the front surface of the gear 2, racks 4 are movably arranged above and below the gear 2, opposite surfaces of the two racks 4 are respectively engaged with the gear 2, the inner wall of the box body 1 is respectively and fixedly provided with two fixing plates 5, the surface of the rack 4 is movably connected with the surfaces of the fixing plates 5, the lower surfaces of the two racks 4 are respectively and fixedly connected with clamping plates 6, opposite surfaces of the two clamping plates 6 are respectively and movably connected with the surface of a main beam 7, the lower surface of the box body 1 is fixedly connected with a fixing block 8, and the lower surface of the fixing block 8 is movably provided with clamping rods 9, square groove 10 has been seted up to the inside of fixed block 8, the top activity of clamping bar 9 runs through fixed block 8 and fixed cover has connect ring gear 11, the surface of ring gear 11 and the inner wall swing joint of square groove 10, the left side of ring gear 11 is provided with locking mechanism 12, clamping bar 9 has openly been seted up and has been pressed from both sides groove 13, the inner wall of pressing from both sides groove 13 and the surface swing joint of crossbeam 14, the bottom threaded connection of clamping bar 9 has threaded rod 15, the top of threaded rod 15 and the lower surface swing joint of crossbeam 14.

Specifically, the locking mechanism 12 comprises an arc plate 1201, a sawtooth groove 1202 is formed in the right side of the arc plate 1201, the sawtooth groove 1202 is meshed with the gear ring 11, a pull rod 1203 is movably arranged on the left side of the fixed block 8, the right end of the pull rod 1203 movably penetrates through the fixed block 8 and is fixedly connected with the left side of the arc plate 1201, a spring 1204 is movably sleeved on the surface of the pull rod 1203, the left end of the spring 1204 is fixedly connected with the left side of the inner wall of the square groove 10, and the right end of the spring 1204 is fixedly connected with the left side of the arc plate 1201.

In this embodiment, the pulling rod 1203 is pulled leftwards, the pulling rod 1203 drives the arc-shaped plate 1201 to move leftwards and separate from the gear ring 11, the cross beam 14 is rotated to enable the cross beam 14 to be in a welding position, then the pulling rod 1203 is loosened, under the reset action of the spring 1204, the sawtooth groove 1202 is meshed with the gear ring 11, the gear ring 11 is locked and cannot rotate, and at this time, the position of the cross beam 14 is fixed.

Specifically, two the opposite face of splint 6 has seted up draw-in groove 16, two the inner wall of draw-in groove 16 all with the surface swing joint of girder 7.

In this embodiment, the clamping groove 16 is semicircular and is matched with the shape of the main beam 7, so that the whole device is fixed on the main beam 7 stably.

Specifically, the back-to-back surfaces of the two racks 4 are fixedly connected with stop blocks 17, the top and the bottom of the inner wall of the box body 1 are provided with elongated slots 18, and the inner walls of the two elongated slots 18 are movably connected with the surfaces of the two stop blocks 17 respectively.

In this embodiment, the stop block 17 can move along the long slot 18, and when the stop block 17 moves to the edge of the long slot 18, the stop block cannot move continuously, so that the rack 4 is prevented from being separated from the gear 2.

Specifically, the front surface of the box body 1 is movably provided with a round rod 19, and one end of the round rod 19 movably penetrates through the box body 1 and is movably connected with the surface of the gear 2.

In this embodiment, when the round rod 19 contacts the surface of the gear 2, the gear 2 cannot rotate, so that the gear 2 is locked, and the corresponding clamp plate 6 is fixed, so that the whole device is fixed on the main beam 7 and cannot be loosened.

Specifically, the inner walls of the two clamping grooves 16 are fixedly provided with sawtooth pads 20, and the surfaces of the sawtooth pads 20 are movably connected with the surface of the main beam 7.

In this embodiment, the sawtooth pad 20 can protect the surface of the main beam 7 from being damaged.

The working principle and the using process of the invention are as follows: when the welding fixture is used, when a beam 14 or an oblique beam is welded on a truss with two parallel columns as a main beam 7, clamping grooves 16 of two clamping plates 6 are aligned with the two parallel columns of the main beam 7, a crank 3 is rotated clockwise, the crank 3 drives a gear 2 to rotate, the gear 2 drives the two clamping plates 6 to move oppositely through two racks 4 until sawtooth pads 20 of the two clamping plates 6 clamp the main beam 7, the round rod 19 is inserted into the clamping grooves 19 to prevent the gear 2 from rotating, then the beam 14 is placed in a clamping groove 13, a threaded rod 15 is rotated to clamp the beam 14, a pull rod 1203 is pulled leftwards, the pull rod 1203 drives an arc-shaped plate to move leftwards 1201 and separate from a gear ring 11, the beam 14 is rotated to enable the beam 14 to be in a welding position, then the pull rod 1203 is released, the sawtooth grooves 1202 are meshed with the gear ring 11 under the resetting action of a spring 1204, the gear ring 11 is locked and cannot rotate, and the position of the beam 14 is fixed, convenient welding, through the rotation of ring gear 11, can adjust crossbeam 14 angle, fixed back does not need manual support, convenient welding, consequently, has reached the effect of being convenient for fixed crossbeam 14 or sloping to be convenient for adjust the sloping angle.

In summary, the fixing device for welding the truss solves the problems that when a cross beam 14 or an oblique beam is welded, one hand is needed for fixing a position, one hand is needed for welding, the operation is inconvenient, and the angle of the manually fixed oblique beam is easy to deviate, so that the welding effect is poor by arranging the box body 1, the gear 2, the clamping plate 6, the clamping rod 9 and the locking mechanism 12.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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.

Claims

1. The utility model provides a truss fixing device for building, includes box (1), its characterized in that: the inner wall of the box body (1) is movably connected with a gear (2) through a circular shaft, the front activity of the box body (1) is provided with a crank (3), one end of the crank (3) movably penetrates through the box body (1) and is fixedly connected with the front of the gear (2), racks (4) are movably arranged above and below the gear (2), the opposite faces of the racks (4) are meshed with the gear (2), the inner wall of the box body (1) is fixedly provided with two fixing plates (5) respectively, the surface of each rack (4) is movably connected with the surface of the corresponding fixing plate (5), the lower surfaces of the racks (4) are fixedly connected with clamping plates (6) and clamping plates (6), the opposite faces of the clamping plates (6) are movably connected with the surface of a main beam (7), the lower surface of the box body (1) is fixedly connected with a fixing block (8), and clamping rods (9) are movably arranged on the lower surfaces of the fixing blocks (8), square groove (10) have been seted up to the inside of fixed block (8), the top activity of clamping bar (9) runs through fixed block (8) and fixed cover has connect ring gear (11), the surface of ring gear (11) and the inner wall swing joint of square groove (10), the left side of ring gear (11) is provided with locking mechanism (12), clamping bar (9) have openly been seted up and have been pressed from both sides groove (13), the inner wall of pressing from both sides groove (13) and the surface swing joint of crossbeam (14), the bottom threaded connection of clamping bar (9) has threaded rod (15), the top of threaded rod (15) and the lower surface swing joint of crossbeam (14).

2. The truss attachment apparatus for construction as claimed in claim 1, wherein: locking mechanism (12) include arc (1201), sawtooth groove (1202) have been seted up on the right side of arc (1201), sawtooth groove (1202) and ring gear (11) meshing, the left side activity of fixed block (8) is provided with pull rod (1203), the right-hand member activity of pull rod (1203) run through fixed block (8) and with the left side fixed connection of arc (1201), spring (1204) have been cup jointed in the surface activity of pull rod (1203), the left end of spring (1204) and the left side fixed connection of square groove (10) inner wall, the right-hand member of spring (1204) and the left side fixed connection of arc (1201).

3. The truss attachment apparatus for construction as claimed in claim 1, wherein: two draw-in grooves (16) have been seted up to the opposite face of splint (6), two the inner wall of draw-in groove (16) all with the surface swing joint of girder (7).

4. The truss attachment apparatus for construction as claimed in claim 1, wherein: the surfaces, deviating from the racks (4), of the two racks are fixedly connected with stop blocks (17), elongated grooves (18) are formed in the top and the bottom of the inner wall of the box body (1), and the inner walls of the two elongated grooves (18) are movably connected with the surfaces of the two stop blocks (17) respectively.

5. The truss attachment apparatus for construction as claimed in claim 1, wherein: the front surface of the box body (1) is movably provided with a round rod (19), and one end of the round rod (19) movably penetrates through the box body (1) and is movably connected with the surface of the gear (2).

6. The truss attachment apparatus for construction as claimed in claim 1, wherein: the inner walls of the two clamping grooves (16) are fixedly provided with sawtooth pads (20), and the surfaces of the sawtooth pads (20) are movably connected with the surface of the main beam (7).