CN218504850U - Simple device for mounting and tensioning protection of precast beam jack - Google Patents
Simple device for mounting and tensioning protection of precast beam jack Download PDFInfo
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- CN218504850U CN218504850U CN202222139489.3U CN202222139489U CN218504850U CN 218504850 U CN218504850 U CN 218504850U CN 202222139489 U CN202222139489 U CN 202222139489U CN 218504850 U CN218504850 U CN 218504850U
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Abstract
A simple device for mounting and tensioning protection of a precast beam jack. The device comprises a triangular bracket, a height-adjusting leveling device, a supporting beam, a supporting rod, a supporting bracket, a moving handle, a sliding device and a traction chain block. Compared with the prior art, the utility model provides a simple and easy device of precast beam jack installation and stretch-draw protection's beneficial effect is: the whole device is light and convenient, only needs manual moving, and does not need mechanical cooperation; the jack can smoothly complete the installation work through the traction chain block and the sliding device, is simple and flexible to operate, and can meet the tensioning requirement of the precast beam. In addition, the rear side of the triangular support is provided with the protective baffle, so that the safety risk in the tensioning process is reduced. The moving is convenient, the working efficiency is high, the construction cost is greatly reduced, and the economic benefit is obvious.
Description
Technical Field
The utility model belongs to the technical field of bridge construction equipment, especially, relate to a simple and easy device of precast beam jack installation and stretch-draw protection.
Background
At present, with the rapid development of national economy, the construction of large-scale projects such as various railway bridges, highway bridges and the like is developed in a large area, precast beams are generated along with the development of bridge services, and a large amount of prestressed tensioning construction exists in the construction of the precast beams.
Because the construction site of the precast beam is centralized, the used tensioning construction work surface is more, the tensioning construction is more frequent, the jack consumes more manpower and material resources by adopting the traditional installation method, the construction cost is higher, and the speed is slow; the gantry crane of the precast beam yard is frequently used, and the using amount of the gantry crane is required to be reduced as much as possible under the condition that the condition allows; in addition, the construction surface in the beam yard is many, and the tensioning is dangerous relatively, so the traditional method can not meet the requirement of the construction progress under the conditions of many operation surfaces and relatively short construction period.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims to provide a simple structure, light, move convenient, the operation is swift and can guarantee the simple and easy device of precast beam jack installation and stretch-draw protection of stretch-draw process safety.
In order to achieve the aim, the simple device for mounting and tensioning protection of the precast beam jack provided by the utility model comprises a triangular bracket, a height-adjusting and leveling device, a supporting beam, a supporting rod, a supporting bracket, a moving handle, a sliding device and a traction chain block; the triangular support is composed of two vertical rods, at least one cross rod and a steel base plate, wherein the two vertical rods are arranged in a splayed shape; the two ends of the cross rod are connected to the middle parts of the two vertical rods; two ends of the bottom surface of the steel backing plate are respectively fixed at the upper ends of the two upright posts, and the middle part of the bottom surface of the steel backing plate is provided with an opening; the lower part of each upright rod is provided with a height-adjusting leveling device; the support beam is horizontally arranged, the bottom of one end of the support beam is connected with a steel pipe with a bolt, and the steel pipe is inserted into the opening on the steel base plate and locked by the bolt, so that the support beam and the triangular bracket are connected together; the upper end of the supporting rod is connected with the other end of the supporting beam, the lower end of the supporting rod is provided with a supporting bracket, and the middle part of the supporting rod is provided with a moving handle; the sliding device is arranged on the supporting beam in a sliding mode, and the lower end of the sliding device is hung on the traction chain block.
And a protective baffle is arranged between the middle upper parts of the two vertical rods on the triangular support.
The upright posts and the cross bars on the triangular supports are made of phi 60mm steel pipes; the thickness of the steel backing plate is 1cm.
The supporting beam is formed by welding two No. 10 channel steel in a back direction.
The supporting beam and the supporting rod as well as the supporting rod and the supporting bracket are all connected by welding.
The support rod and the support bracket are both made of 10# channel steel.
The moving handle is made of round steel with the diameter of 20mm, and one end of the moving handle is welded and fixed with the supporting rod.
The protective baffle is made of a bamboo plywood with the thickness of 12 mm.
Compared with the prior art, the utility model provides a simple and easy device of precast beam jack installation and stretch-draw protection's beneficial effect is: the whole device is light and convenient, only needs manual moving, and does not need mechanical cooperation; the jack accessible traction chain block and displacement device accomplish the installation work smoothly, and easy operation is nimble, can satisfy precast beam stretch-draw requirement. In addition, the rear side of the triangular support is provided with the protective baffle, so that the safety risk in the tensioning process is reduced. The moving is convenient, the working efficiency is high, the construction cost is greatly reduced, and the economic benefit is obvious.
Drawings
Fig. 1 is the utility model provides a simple and easy device side view of precast beam jack installation and stretch-draw protection.
Fig. 2 is the utility model provides a simple and easy device front schematic diagram of precast beam jack installation and stretch-draw protection.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 and fig. 2, the simple device for prefabricated beam jack installation and stretch-draw protection provided by the utility model comprises a triangular bracket 1, a height-adjusting leveling device 2, a supporting beam 3, a supporting rod 4, a supporting bracket 5, a moving handle 6, a sliding device 7 and a traction chain block 8; the triangular support 1 is composed of two vertical rods, at least one cross rod and a steel base plate, wherein the two vertical rods are arranged in a splayed shape; the two ends of the cross rod are connected to the middle parts of the two vertical rods; two ends of the bottom surface of the steel backing plate are respectively fixed at the upper ends of the two upright posts, and the middle part of the bottom surface of the steel backing plate is provided with an opening; the lower part of each upright post is provided with a height-adjusting leveling device 2; the supporting beam 3 is horizontally arranged, the bottom of one end of the supporting beam is connected with a steel pipe with a bolt, the steel pipe is inserted into an opening on the steel backing plate and locked by the bolt, and therefore the supporting beam 3 is connected with the triangular bracket 1; the upper end of the support rod 4 is connected with the other end of the support beam 3, the lower end of the support rod 4 is provided with a support bracket 5, and the middle part of the support rod 4 is provided with a moving handle 6; the sliding device 7 is arranged on the support beam 3 in a sliding way, and a traction chain block 8 is hung at the lower end.
And a protective baffle 9 is arranged between the middle upper parts of the two vertical rods on the triangular support 1.
The upright posts and the cross bars on the triangular bracket 1 are made of steel pipes with the diameter of 60 mm; the thickness of the steel backing plate is 1cm.
The supporting beam 3 is made by welding two No. 10 channel steel in a back direction.
The support beam 3 and the support rod 4, and the support rod 4 and the support bracket 5 are connected by welding.
The support rod 4 and the support bracket 5 are both made of 10# channel steel.
The moving handle 6 is made of round steel with the diameter of 20mm, and one end of the moving handle is welded and fixed with the support rod 4.
The protective baffle 9 is made of a bamboo plywood with the thickness of 12 mm.
Will now the utility model provides a precast beam jack installation and stretch-draw protection simple and easy device's application method explains as follows:
when the steel strand on the precast beam needs to be tensioned, the support beam 3, the support rod 4, the support bracket 5 and the moving handle 6 which are connected together are manually lifted to the surface of the precast beam and temporarily fixed, and the sliding device 7 and the traction chain block 8 are installed on the support beam 3; manually lifting the three-leg support 1, the height-adjusting leveling device 2 and the protective baffle 9 which are connected together to the end of the precast beam, inserting the steel pipe on the supporting beam 3 into the opening on the steel backing plate and locking by using a bolt, so that the supporting beam 3 and the triangular support 1 are connected together to form the simple device for mounting and tensioning the precast beam jack, and then the height-adjusting leveling device 2 is used for enabling the triangular support 1 to be moderate, and the whole device is in a stable state; then moving the triangular support 1 and the moving handle 6 to enable the support beam 3 to be aligned with the steel strand to be tensioned, and if the triangular support 1 is not flat or the height is not moderate, adopting the height-adjusting leveling device 2 to adjust again; then, a traction chain block 8 is adopted to lift the jack, then the jack is adjusted in place through the traction chain block 8 and the sliding device 7, and finally the steel strand needing to be tensioned is tensioned through the jack. When next bundle of steel strand wires of needs stretch-draw, utilize the manual work through A-frame 1 with move this precast beam jack installation and stretch-draw protection simple and easy device of handle 6 direct movement can.
The above is the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a simple and easy device of precast beam jack installation and stretch-draw protection which characterized in that: the simple device for mounting the precast beam jack and stretching and protecting the precast beam jack comprises a triangular bracket (1), a height-adjusting leveling device (2), a supporting beam (3), a supporting rod (4), a supporting bracket (5), a moving handle (6), a sliding device (7) and a traction chain block (8); the triangular support (1) is composed of two upright posts, at least one cross rod and a steel base plate, wherein the two upright posts are arranged in a splayed shape; the two ends of the cross rod are connected to the middle parts of the two vertical rods; two ends of the bottom surface of the steel backing plate are respectively fixed at the upper ends of the two upright posts, and the middle part of the bottom surface of the steel backing plate is provided with an opening; the lower part of each upright rod is provided with a height-adjusting leveling device (2); the supporting beam (3) is horizontally arranged, the bottom of one end of the supporting beam is connected with a steel pipe with a bolt, the steel pipe is inserted into an opening on the steel base plate and locked by the bolt, and therefore the supporting beam (3) is connected with the triangular bracket (1); the upper end of the supporting rod (4) is connected with the other end of the supporting beam (3), the lower end of the supporting rod (4) is provided with a supporting bracket (5), and the middle part of the supporting rod is provided with a moving handle (6); the sliding device (7) is arranged on the supporting beam (3) in a sliding mode, and the lower end of the sliding device is hung with the traction chain block (8).
2. The simple precast beam jack installing and tensioning protection device according to claim 1, wherein: and a protective baffle (9) is arranged between the middle upper parts of the two vertical rods on the triangular support (1).
3. The simple precast beam jack installing and tensioning protection device according to claim 1, wherein: the upright rods and the cross rods on the triangular supports (1) are made of steel pipes with the diameter of 60 mm; the thickness of the steel backing plate is 1cm.
4. The simple precast beam jack installing and tensioning protection device according to claim 1, wherein: the support beam (3) is made by welding two No. 10 channel steel in a back direction.
5. The simple precast beam jack installation and tension protection device according to claim 1, characterized in that: the supporting beam (3) is connected with the supporting rod (4) in a welding mode, and the supporting rod (4) is connected with the supporting bracket (5) in a welding mode.
6. The simple precast beam jack installing and tensioning protection device according to claim 1, wherein: the support rod (4) and the support bracket (5) are both made of 10# channel steel.
7. The simple precast beam jack installation and tension protection device according to claim 1, characterized in that: the moving handle (6) is made of round steel with the diameter of 20mm, and one end of the moving handle is welded and fixed with the supporting rod (4).
8. The simple precast beam jack installation and tension protection device according to claim 2, characterized in that: the protective baffle (9) is made of a bamboo plywood with the thickness of 12 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222139489.3U CN218504850U (en) | 2022-08-15 | 2022-08-15 | Simple device for mounting and tensioning protection of precast beam jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222139489.3U CN218504850U (en) | 2022-08-15 | 2022-08-15 | Simple device for mounting and tensioning protection of precast beam jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218504850U true CN218504850U (en) | 2023-02-21 |
Family
ID=85208935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222139489.3U Active CN218504850U (en) | 2022-08-15 | 2022-08-15 | Simple device for mounting and tensioning protection of precast beam jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218504850U (en) |
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2022
- 2022-08-15 CN CN202222139489.3U patent/CN218504850U/en active Active
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