CN214187766U

CN214187766U - A precast beam tensioning equipment for construction

Info

Publication number: CN214187766U
Application number: CN202023003099.0U
Authority: CN
Inventors: 谷红新
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-09-14
Anticipated expiration: 2030-12-15

Abstract

The utility model relates to a technical field of building specifically is a precast beam tensioning equipment for construction, the fixed curb plate that is equipped with in one side of bottom plate, one side of curb plate just is located the top of bottom plate is equipped with the lifter plate, the below of lifter plate pass through elevating gear with the bottom plate is connected, the one end of lifter plate pass through slider with curb plate sliding connection, top one side of lifter plate just is located the fixed horizontal pole that is equipped with of top one end of curb plate, the below of horizontal pole is equipped with the hand calabash. The device simple structure, convenient operation uses, and adjusting device and elevating gear can realize having increased the convenience of adjusting to jack on horizontal direction and vertical side, realize carrying out stretch-draw between jack and the building piece, avoid the unsettled of jack to place, have increased the security of jack during operation, are equipped with in the bottom and remove the wheel, remove the wheel and can increase the convenience that the device removed, have increased the convenience of transition.

Description

A precast beam tensioning equipment for construction

Technical Field

The utility model relates to a technical field of building specifically is a precast beam tensioning equipment for construction.

Background

Prestressing force stretch-draw adds the pulling force in the component in advance for it bears compressive stress to be exerted prestressing force stretch-draw component, and then makes it produce certain deformation, deals with the load that structure itself received, load, wind load, snow load, earthquake load effect etc. including component self weight. Generally, the steel strand, the jack, the anchor plate and the clamping piece are used for tensioning. Before the engineering structural member bears external load, pretension stress is applied to the steel strands in the tension module, the bending resistance and rigidity of the member are improved, the occurrence time of cracks is delayed, and the durability of the member is improved. In the mechanical structure, the stress is generated in advance, and the advantages of the mechanical structure are that the rigidity of the structure can be improved, the vibration and the elastic deformation are reduced, the elastic strength of the tension module can be obviously improved, and the original resistance is stronger.

Current prestressing force tensioning equipment is when using, places the jack in the both ends of building part through the gallows, then carries out the stretch-draw to it to the realization realizes the effect of stretch-draw to the inside steel strand wires of building part, but the jack is unsettled at the in-process of stretch-draw and places, has reduced the stability of placing and the security of using, and when gallows cooperation jack used simultaneously, it was inconvenient to remove it, has increased the degree of difficulty of transition. Accordingly, a precast beam tensioning apparatus for building construction is provided by those skilled in the art to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a precast beam tensioning equipment for construction to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a precast beam tensioning device for building construction comprises a base plate, wherein a side plate is fixedly arranged on one side of the base plate, a lifting plate is arranged on one side of the side plate and above the base plate, the lower part of the lifting plate is connected with the base plate through a lifting device, one end of the lifting plate is in sliding connection with the side plate through a sliding device, a cross rod is fixedly arranged on one side of the upper part of the lifting plate and at one end of the top of the side plate, a hand hoist is arranged below the cross rod, the hand hoist is connected with the cross rod through an adjusting device, and a jack is fixedly arranged on one side of the hand hoist;

the adjusting device comprises first sliding chutes arranged at two sides of the cross bar, a second sliding chute is arranged at one side below the cross bar, the first sliding groove is communicated with the second sliding groove, a T-shaped sliding block is arranged in the second sliding groove in a sliding manner, the other two ends of the T-shaped sliding block are arranged inside the first sliding groove, one end of the T-shaped sliding block is connected with the chain block, a first threaded rod is arranged inside the second chute, the T-shaped sliding block is sleeved on the first threaded rod in a threaded manner, one end of the first threaded rod penetrates through the cross rod and the side plate in sequence and extends towards the other side of the cross rod to be connected with the first gear, a second gear is arranged below the first gear, the first gear and the second gear are in inner meshing connection through a rack chain, a first handle is fixedly arranged on one side of the second gear, and the other side of the second gear is connected with the side plate through a first bearing seat;

the lifting device comprises a first sliding rail fixedly arranged above the bottom plate, a second threaded rod is arranged inside the first sliding rail, one end of the second threaded rod penetrates through the first sliding rail and the side plate in sequence and extends to one side of the side plate to be fixedly connected with a second handle, two nuts are arranged on the second threaded rod in a threaded sleeve mode, a shear holder is arranged on one side of the top of the first sliding rail, two ends of the shear holder are movably connected with the nuts, a sliding block is arranged at each of the other two ends of the shear holder, the sliding block is arranged inside the second sliding rail, and the second sliding rail is arranged below the lifting plate.

As a further aspect of the present invention: both ends of the scissor rack are respectively movably connected with the nut and the sliding block through movable bolts.

As a further aspect of the present invention: the sliding device comprises a limiting sliding groove arranged on the side plate, a limiting sliding block is arranged inside the limiting sliding groove in a sliding mode, and one side of the limiting sliding block is fixedly connected with one end of the lifting plate.

As a further aspect of the present invention: one side of the bottom plate, which is far away from the first sliding rail, is provided with a moving wheel, and the moving wheel is fixedly connected with the bottom plate in a rectangular array mode.

As a further aspect of the present invention: one ends of the first threaded rod and the second threaded rod are respectively connected with the second sliding groove and the first sliding rail through second bearing seats.

As a further aspect of the present invention: and damping springs are arranged on two sides of the nut and are sleeved on the second threaded rod.

Compared with the prior art, the beneficial effects of the utility model are that: the device simple structure, convenient operation uses, adjusting device can realize adjusting the jack horizontal direction, elevating gear can realize adjusting the jack vertical direction of going on, the regulation of jack on horizontal direction and vertical direction has been increased, the convenience of adjusting has been increased, realize carrying out stretch-draw between jack and the building piece, avoid the unsettled of jack to place, the security of jack during operation has been increased, be equipped with the removal wheel in the bottom, it can increase the convenience that the device removed to remove the wheel, the convenience of transition has been increased.

Drawings

Fig. 1 is a schematic structural view of a precast beam tensioning device for building construction;

fig. 2 is a sectional view of a precast beam tension apparatus for construction;

fig. 3 is a schematic structural view of a cross bar in a precast beam tensioning device for building construction.

In the figure: 1. a base plate; 2. a side plate; 3. a lifting plate; 4. a cross bar; 5. a hand gourd; 6. a jack; 7. a first chute; 8. a second chute; 9. a T-shaped slider; 10. a first threaded rod; 11. a first gear; 12. a second gear; 13. a toothed chain; 14. a first handle; 15. a first slide rail; 16. a second threaded rod; 17. a second handle; 18. a nut; 19. a scissor rack; 20. a limiting chute; 21. a limiting slide block; 22. the wheel is moved.

Detailed Description

Referring to fig. 1-3, in an embodiment of the present invention, a precast beam tensioning device for building construction includes a bottom plate 1, a side plate 2 is fixedly disposed on one side of the bottom plate 1, a lifting plate 3 is disposed on one side of the side plate 2 and above the bottom plate 1, the lower side of the lifting plate 3 is connected to the bottom plate 1 through a lifting device, one end of the lifting plate 3 is slidably connected to the side plate 2 through a sliding device, a cross rod 4 is fixedly disposed on one side of the upper side of the lifting plate 3 and on one end of the top of the side plate 2, a hoist 5 is disposed below the cross rod 4, the hoist 5 is connected to the cross rod 4 through an adjusting device, and a jack 6 is fixedly disposed on one side of the hoist 5;

in fig. 1, 2 and 3: the adjusting device comprises first sliding grooves 7 arranged on two sides of a cross rod 4, a second sliding groove 8 is arranged on one side below the cross rod 4, the first sliding groove 7 is communicated with the second sliding groove 8, a T-shaped sliding block 9 is arranged inside the second sliding groove 8 in a sliding mode, the other two ends of the T-shaped sliding block 9 are arranged inside the first sliding groove 7, one end of the T-shaped sliding block 9 is connected with a chain hoist 5, a first threaded rod 10 is arranged inside the second sliding groove 8, the T-shaped sliding block 9 is sleeved on the first threaded rod 10 in a threaded mode, one end of the first threaded rod 10 penetrates through the cross rod 4 and the side plate 2 in sequence and extends towards the other side of the first threaded rod to be connected with a first gear 11, a second gear 12 is arranged below the first gear 11, the first gear 11 is connected with the second gear 12 in an inner meshing mode through a toothed chain 13, a first handle 14 is fixedly arranged on one side of the second gear 12, and the other side of the second gear 12 is connected with the side plate 2 through a first shaft bearing seat;

in fig. 1 and 2: elevating gear is including fixed first slide rail 15 of locating bottom plate 1 top, the inside of first slide rail 15 is equipped with second threaded rod 16, the one end of second threaded rod 16 runs through first slide rail 15 and curb plate 2 in proper order and extends and second handle 17 fixed connection to its volume one side, the nut 18 that quantity is two is located to the threaded sleeve on the second threaded rod 16, top one side of first slide rail 15 is equipped with scissor holder 19, scissor holder 19's both ends all with nut 18 swing joint, scissor holder 19's other both ends all are equipped with the slider, the inside of second slide rail is located to the slider, the below of lifter plate 3 is seted up to the second slide rail.

In fig. 1 and 2: both ends of scissor rack 19 are all through activity bolt respectively with nut 18 and slider swing joint, increase scissor rack 19 telescopic movement's flexibility.

The drawing sliding device comprises a limiting sliding groove 20 arranged on the side plate 2, a limiting sliding block 21 is arranged inside the limiting sliding groove 20 in a sliding mode, one side of the limiting sliding block 21 is fixedly connected with one end of the lifting plate 3, and the stability of the lifting plate 3 in the lifting process is improved.

In fig. 1 and 2: one side of the bottom plate 1, which is far away from the first slide rail 15, is provided with a moving wheel 22, and the moving wheel 22 is fixedly connected with the bottom plate 1 in a rectangular array form, so that the moving convenience of the bottom plate 1 is improved, and the transition convenience of the device is improved.

In FIG. 2: one end of the first threaded rod 10 and one end of the second threaded rod 16 are respectively connected with the second sliding chute 8 and the first sliding rail 15 through the second bearing seat, so that the rotating stability of the first threaded rod and the second threaded rod is improved.

In fig. 1 and 2: damping springs are arranged on two sides of the nut 18 and sleeved on the second threaded rod 16, so that stability of the nut in the moving process is improved, and collision between the nuts is avoided.

The utility model discloses a theory of operation is: when the lifting device is used specifically, firstly, the bottom plate 1 is moved, the lifting device is moved to two ends of a building part, then the first handle 14 is rotated, the first handle 14 rotates to drive the first threaded rod 10 to rotate, the first threaded rod 10 rotates to drive the T-shaped sliding block 9 to slide in the second sliding groove 8, so that the positions of the hand hoist 5 and the jack 6 on the lifting plate can be adjusted, after the jack 6 is adjusted, the second handle 17 rotates to drive the second threaded rod 16 to rotate, the second threaded rod 16 rotates to drive the nuts 18 to move, due to the fact that the two nuts 18 are in reverse threaded connection with the second threaded rod 16, the nuts 18 can be driven to move in the opposite directions and in the opposite directions, so that the scissor holder 19 is driven to stretch, the scissor holder 19 can drive the lifting plate 3 to lift, so that the lifting jack 6 is driven to lift, treat jack 6 remove with building element horizontally position after, then make and install the stretch-draw between jack 6 and the building element, increased the security of jack 6 during operation, avoid the unsettled of jack 6 to place, adjusting device has increased the regulation convenience simultaneously, is equipped with in the bottom and removes wheel 22, removes wheel 22 and can increase the convenience that the device removed, has increased the convenience of transition, the device simple structure, convenient operation uses.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A precast beam tensioning device for building construction comprises a bottom plate (1), and is characterized in that a side plate (2) is fixedly arranged on one side of the bottom plate (1), a lifting plate (3) is arranged on one side of the side plate (2) and above the bottom plate (1), the lower part of the lifting plate (3) is connected with the bottom plate (1) through a lifting device, one end of the lifting plate (3) is slidably connected with the side plate (2) through a sliding device, a cross rod (4) is fixedly arranged on one side of the upper part of the lifting plate (3) and at one end of the top of the side plate (2), a chain hoist (5) is arranged below the cross rod (4), the chain hoist (5) is connected with the cross rod (4) through an adjusting device, and a jack (6) is fixedly arranged on one side of the chain hoist (5);

the adjusting device comprises first sliding grooves (7) arranged on two sides of the cross rod (4), a second sliding groove (8) is arranged on one side below the cross rod (4), the first sliding groove (7) is communicated with the second sliding groove (8), a T-shaped sliding block (9) is arranged inside the second sliding groove (8) in a sliding mode, the other two ends of the T-shaped sliding block (9) are arranged inside the first sliding groove (7), one end of the T-shaped sliding block (9) is connected with the chain hoist (5), a first threaded rod (10) is arranged inside the second sliding groove (8), the T-shaped sliding block (9) is sleeved on the first threaded rod (10) in a threaded mode, one end of the first threaded rod (10) penetrates through the cross rod (4) and the side plate (2) in sequence and extends towards the other side of the first threaded rod to be connected with a first gear (11), a second gear (12) arranged below the first gear (11), the first gear (11) and the second gear (12) are in inner meshing connection through a rack chain (13), a first handle (14) is fixedly arranged on one side of the second gear (12), and the other side of the second gear (12) is connected with the side plate (2) through a first bearing seat;

elevating gear is including fixed locating first slide rail (15) of bottom plate (1) top, the inside of first slide rail (15) is equipped with second threaded rod (16), the one end of second threaded rod (16) runs through in proper order first slide rail (15) with curb plate (2) just extend to its volume one side with second handle (17) fixed connection, the nut (18) that quantity is two are located to threaded sleeve on second threaded rod (16), top one side of first slide rail (15) is equipped with shear knife (19), the both ends of shear knife (19) all with nut (18) swing joint, the other both ends of shear knife (19) all are equipped with the slider, the inside of second slide rail is located to the slider, the second slide rail is seted up in the below of lifter plate (3).

2. A precast beam tensioning device for building construction according to claim 1, wherein both ends of the scissor frame (19) are movably connected with the nut (18) and the slider through movable bolts, respectively.

3. A precast beam tensioning device for building construction according to claim 1, characterized in that the sliding device comprises a limit sliding groove (20) arranged on the side plate (2), a limit sliding block (21) is slidably arranged inside the limit sliding groove (20), and one side of the limit sliding block (21) is fixedly connected with one end of the lifting plate (3).

4. A precast beam tensioning device for building construction according to claim 1, characterized in that a side of the base plate (1) remote from the first sliding rail (15) is provided with moving wheels (22), and the moving wheels (22) are fixedly connected with the base plate (1) in a rectangular array.

5. A precast beam tensioning device for building construction according to claim 1, wherein one end of the first threaded rod (10) and one end of the second threaded rod (16) are connected with the second sliding chute (8) and the first sliding rail (15) through second bearing seats, respectively.

6. A precast beam tensioning device for building construction according to claim 1, wherein the nut (18) is provided at both sides thereof with damping springs, and the damping springs are fitted over the second threaded rod (16).