CN223314190U - Assembled precast beam stretch-draw support device - Google Patents

Abstract

The utility model discloses an assembled precast beam tensioning support device which comprises a support body, wherein the support body is of a vertical frame structure, the support body is a vertical frame formed by detachably overlapping vertical columns and horizontal connecting rods, an access opening is reserved at the front end of the support body, a baffle is arranged at the rear end of the support body, a horizontal sliding rail extending forwards and backwards is arranged in the middle of the top end of the support body, a hoist lifting device is arranged on the horizontal sliding rail in a sliding mode and used for lifting a tensioning jack, a tensioning operation platform is arranged at the lower end of the interior of the support body, and a storage groove used for placing the tensioning jack is formed in an up-down mode in the tensioning operation platform. According to the utility model, the tensioning jack can be lifted by the hoist lifting device, so that the quick adjustment of the tensioning jack is realized, the tensioning construction speed of the precast beam body is accelerated, the integral stability is higher, the assembly and the disassembly are convenient, the baffle on the rear side of the precast beam body can effectively prevent steel strands from breaking and flying out to hurt people, and the safety is high.

Description

Assembled precast beam stretch-draw support device

Technical Field

The utility model relates to the technical field of bridge precast beam construction, in particular to an assembled precast beam tensioning support device.

Background

At present, along with the rapid development of infrastructure construction in China, the bridge construction is applied to the fields of municipal administration, highways, railways and the like, and the proportion of the bridge construction is larger and larger, so that the prestressed precast beams are also gradually common in bridge design. In the tensioning operation construction process, the tensioning jack of the prestressed reinforcement is heavy and inconvenient to operate, the height of the tensioning jack is difficult to adjust in time, the safety coefficient is low, and the tensioning construction speed of the precast beam body is slow. Chinese patent CN201420729465.6 proposes a precast beam tensioning support, which is capable of hanging and pulling a tensioning jack, but has poor structural stability, inconvenient disassembly and assembly, and difficult operation of workers.

Disclosure of utility model

Aiming at the problems in the prior art, the utility model aims to provide an assembled precast beam tensioning support device so as to solve the problems of poor structural stability and inconvenient disassembly and assembly of the existing tensioning support.

In order to achieve the above purpose, the utility model provides an assembled precast beam tensioning support device, which comprises a support main body, wherein the support main body is of a vertical frame structure, the support main body is of a vertical frame formed by detachably lapping upright posts and horizontal connecting rods, an access port is reserved at the front end of the support main body, a baffle is arranged at the rear end of the support main body, a horizontal sliding rail extending forwards and backwards is arranged in the middle of the top end of the support main body, a hoist lifting device is arranged on the horizontal sliding rail in a sliding manner, the hoist lifting device is used for lifting a tensioning jack, a tensioning operation platform is arranged at the lower end of the interior of the support main body, and a storage groove for placing the tensioning jack is formed in the tensioning operation platform in a sinking manner.

The technical scheme is that four upright posts are arranged and distributed in a rectangular shape, the horizontal connecting rods are detachably connected to the upright posts and comprise longitudinal horizontal connecting rods and transverse horizontal connecting rods, the left side two upright posts are connected through two longitudinal horizontal connecting rods which are arranged at intervals up and down, the right side two upright posts are connected through two longitudinal horizontal connecting rods which are arranged at intervals up and down, the rear side two upright posts are connected through three transverse horizontal connecting rods which are arranged at intervals up and down, one transverse horizontal connecting rod is located at the top ends of the two upright posts, the top ends of the front side two upright posts are also connected through transverse horizontal connecting rods, and the access is located below the transverse horizontal connecting rods. The vertical rectangular frame structure formed by overlapping four upright posts and a plurality of horizontal connecting rods has the advantages of good overall stability and strong bearing capacity.

In the scheme, the connecting plates are welded at the position of the horizontal connecting rod, which is used for being connected with the upright post, and the position of the upright post, which is used for being connected with the horizontal connecting rod, and the two connecting plates at the corresponding positions are fixedly connected through bolts, so that the detachable connection of the horizontal connecting rod and the upright post is realized, the structure is simple, and the processing is convenient.

In the scheme, the horizontal sliding rail is arranged between the two horizontal connecting rods of the top layer, the corresponding positions of the horizontal sliding rail and the horizontal connecting rods are detachably connected through the two connecting plates, and the tensioning operation platform is arranged between the two longitudinal horizontal connecting rods of the lower layer and is arranged close to the rear ends of the longitudinal horizontal connecting rods. The horizontal sliding rail is convenient to disassemble and assemble, and the tensioning operation platform is convenient to lay.

In the scheme, three horizontal stiffening rods are arranged between the horizontal connecting rods at the upper layer of the two upright posts at the rear side and the horizontal connecting rods at the lower layer at intervals, and are welded on the upright posts to play a role in enhancing the stability of the device.

According to the scheme, the buffer cushion is arranged on the front end face of the baffle, is clamped between the baffle and the horizontal stiffening rod, and can be used for buffering flying steel strands and the like, so that construction safety is further ensured.

In the scheme, the top ends of the four upright posts are provided with the hanging rings, so that the tension bracket device is convenient to hoist and transport.

The beneficial effects of the utility model are as follows:

1. The device can hoist the tensioning jack through a hoist, so that the tensioning jack can be quickly adjusted, the tensioning construction speed of the prefabricated beam is accelerated, 2, the device is of a vertical frame structure, the overall stability is high, a baffle on the rear side of the device can effectively prevent steel strands from being broken and flying out to hurt people, the device is of an assembled structure, components such as a bracket main body and the like can be transported to a building construction site and assembled and installed on site, the device can be repeatedly disassembled and assembled and disassembled, the assembly and disassembly efficiency is high, time and labor are saved, a construction platform is further arranged in the device, construction of workers is facilitated, a containing groove of the tensioning jack is formed in the construction platform, and the containing groove can contain the tensioning jack when the device moves, so that shaking is avoided, and safety problems are prevented.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of another angle of fig. 1.

Detailed Description

As shown in fig. 1-2, an assembled precast beam tensioning support device comprises a support body, wherein the support body is of a vertical frame structure, and the support body is of a vertical frame formed by detachably lapping an upright column 1 and a horizontal connecting rod 2.

The front end of the support body is provided with an access opening, the rear end of the support body is provided with a baffle plate 3, and the middle part of the top end of the support body is provided with a horizontal sliding rail 4 which extends forwards and backwards. The horizontal sliding rail 4 is provided with a hoist lifter 5 in a sliding manner, and the hoist lifter 5 is used for lifting a tensioning jack.

The tensioning operation platform 6 is arranged at the lower end of the inner part of the bracket main body, so that the construction of workers is facilitated. The tensioning operation platform 6 is provided with a storage groove 61 for placing a tensioning jack in a sinking mode, and when the device moves, the storage groove 61 can store the tensioning jack, so that the tensioning jack is prevented from shaking, and safety problems are prevented.

Preferably, the upright 1 is provided with four, rectangular and distributed horizontal links 2 detachably connected to the upright 1, and comprises a longitudinal horizontal link 21 and a transverse horizontal link 22. The left side two upright posts 1 are connected through two longitudinal horizontal connecting rods 21 which are arranged at intervals up and down, the right side two upright posts 1 are also connected through two longitudinal horizontal connecting rods 21 which are arranged at intervals up and down, the rear side two upright posts 1 are connected through three transverse horizontal connecting rods 22 which are arranged at intervals up and down, one transverse horizontal connecting rod 22 is positioned at the top ends of the two upright posts 1, the top ends of the front side two upright posts 1 are also connected through the transverse horizontal connecting rods 22, and the entrance and the exit are positioned below the transverse horizontal connecting rods 22. The vertical rectangular frame structure formed by overlapping the four upright posts 1 and the plurality of horizontal connecting rods 2 has the advantages of good overall stability and strong bearing capacity.

Preferably, the connecting plates 7 are welded at the position of the horizontal connecting rod 2 connected with the upright 1 and the position of the upright 1 connected with the horizontal connecting rod 2, and the two connecting plates 7 at the corresponding positions are fixedly connected through bolts 8, so that the detachable connection of the horizontal connecting rod 2 and the upright 1 is realized, and the horizontal connecting rod is simple in structure and convenient to process.

Preferably, the horizontal sliding rail 4 is arranged between two transverse horizontal connecting rods 22 of the top layer, and the corresponding positions of the horizontal sliding rail 4 and the transverse horizontal connecting rods 22 are detachably connected through two connecting plates 7. The tensioning operation platform 6 is arranged between the two longitudinal horizontal connecting rods 21 of the lower layer and is arranged near the rear end of the longitudinal horizontal connecting rods 21. The horizontal sliding rail 4 is convenient to disassemble and assemble, and the tensioning operation platform 6 is convenient to arrange.

Preferably, three horizontal stiffeners 23 are arranged between the horizontal connecting rods 22 on the upper layer and the horizontal connecting rods 22 on the lower layer of the rear two columns 1 at intervals, and the horizontal stiffeners 23 are welded on the columns 1 to play a role in enhancing the stability of the device.

Preferably, a buffer cushion is arranged on the front end surface of the baffle plate 3, the buffer cushion is clamped between the baffle plate 3 and the horizontal stiffening rod 23, and the buffer cushion can be used for buffering flying steel strands and the like, so that construction safety is further ensured.

Preferably, hanging rings 9 are arranged at the top ends of the four upright posts 1, so that the tension bracket device is convenient to hoist and transport.

Claims (7)

1. The utility model provides an assembled precast beam stretch-draw support device, includes the support main part, the support main part is vertical frame structure, its characterized in that, the support main part is for the vertical frame that comprises stand (1) and horizontal connecting rod (2) detachable overlap joint, and the front end of support main part leaves the access & exit, and the rear end of support main part is equipped with baffle (3), and the top middle part of support main part is equipped with horizontal slide rail (4) that extend from beginning to end, slide on horizontal slide rail (4) and be provided with calabash hoist (5), calabash hoist (5) are used for handling stretch-draw jack, the inside lower extreme of support main part is equipped with stretch-draw operation platform (6), stretch-draw operation platform (6) are up and down to be equipped with and are used for placing stretch-draw jack's storage tank (61).

2. The prefabricated beam tensioning support device according to claim 1 is characterized in that four upright posts (1) are arranged and are distributed in a rectangular shape, the horizontal connecting rods (2) are detachably connected to the upright posts (1) and comprise longitudinal horizontal connecting rods (21) and transverse horizontal connecting rods (22), the left side two upright posts (1) are connected through two longitudinal horizontal connecting rods (21) which are arranged at intervals up and down, the right side two upright posts (1) are connected through two longitudinal horizontal connecting rods (21) which are also arranged at intervals up and down, the rear side two upright posts (1) are connected through three transverse horizontal connecting rods (22) which are arranged at intervals up and down, one transverse horizontal connecting rod (22) is located at the top ends of the two upright posts (1), the top ends of the front side two upright posts (1) are also connected through the transverse horizontal connecting rods (22), and the entrance is located below the transverse horizontal connecting rods (22).

3. The prefabricated beam tensioning support device of claim 2, wherein connecting plates (7) are welded at the position where the horizontal connecting rod (2) is connected with the upright post (1) and the position where the upright post (1) is connected with the horizontal connecting rod (2), and the two connecting plates (7) at the corresponding positions are fixedly connected through bolts (8), so that the horizontal connecting rod (2) is detachably connected with the upright post (1).

4. The prefabricated beam tensioning support device of claim 3, wherein the horizontal sliding rail (4) is arranged between two transverse horizontal connecting rods (22) of the top layer, the horizontal sliding rail (4) and the corresponding positions of the transverse horizontal connecting rods (22) are detachably connected through two connecting plates (7), and the tensioning operation platform (6) is arranged between two longitudinal horizontal connecting rods (21) of the lower layer and is arranged near the rear ends of the longitudinal horizontal connecting rods (21).

5. The prefabricated beam tensioning support device according to claim 2, wherein three horizontal stiffeners (23) are arranged between the upper horizontal connecting rod (22) of the rear side two upright posts (1) and the lower horizontal connecting rod (22) at intervals, and the horizontal stiffeners (23) are welded on the upright posts (1).

6. The prefabricated beam tensioning support device according to claim 5, wherein a buffer pad is arranged on the front end face of the baffle plate (3), and the buffer pad is clamped between the baffle plate (3) and the horizontal stiffening rod (23).

7. The prefabricated beam tensioning support device of claim 2, wherein the top ends of the four upright posts (1) are respectively provided with a hanging ring (9).