CN209760038U - Be used for precast concrete T roof beam roof plate reinforcing bar integral hoisting truss - Google Patents
Be used for precast concrete T roof beam roof plate reinforcing bar integral hoisting truss Download PDFInfo
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- CN209760038U CN209760038U CN201822250979.4U CN201822250979U CN209760038U CN 209760038 U CN209760038 U CN 209760038U CN 201822250979 U CN201822250979 U CN 201822250979U CN 209760038 U CN209760038 U CN 209760038U
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Abstract
The utility model discloses a be used for precast concrete T roof beam roof reinforcing bar integral hoisting truss, including steel truss body and suspension device, the steel truss body is the plane truss, and the steel truss body includes two main purlins and many web members, two main purlins parallel arrangement, and the welding is do not equallyd divide on two main purlins at the both ends of all web members, the steel truss body is equipped with the suspension device who is used for connecting hoisting equipment and prefabricated roof reinforcing bar. Utilize the utility model discloses hoist and mount the concatenation, beam rib reinforcing bar and roof reinforcing bar ligature simultaneously, each other do not influence to shorten the occupation time of system roof beam platform position, reached the purpose that promotes efficiency.
Description
Technical Field
The utility model relates to a bridge construction field, in particular to be used for precast concrete T roof beam top plate reinforcing bar integral hoisting truss.
Background
The prefabricated T-shaped beam has the advantages of simple section form, definite stress, batch production, assembly type construction and the like, and is widely applied to construction of medium and small span bridges.
The construction process of the T-shaped beam at the present stage comprises the following steps: and (3) binding beam rib reinforcements → installing T beam templates → binding panel (top plate) reinforcements → pouring concrete. The above process has to be constructed progressively, so the prefabrication efficiency is low, and the construction progress is influenced.
In the traditional process, workers need to carry out construction on the top plate in a binding mode, the distance from the ground is high, the construction difficulty is high, safety is not high, and materials are not convenient to obtain.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a be used for precast concrete T roof beam reinforcing bar integral hoisting truss that simple structure, construction convenience, work efficiency are high.
The utility model provides a technical scheme of above-mentioned problem is: the utility model provides a be used for precast concrete T roof beam roof reinforcing bar integral hoisting truss, includes steel truss body and hanging device, the steel truss body is the plane truss, and the steel truss body includes two main purlins and many web members, two main purlins parallel arrangement, and the both ends of all web members are equallyd divide and are do not welded on two main purlins, the steel truss body is equipped with the hanging device who is used for connecting hoisting equipment and prefabricated roof reinforcing bar.
The hanging device comprises two upper hanging mechanisms symmetrically arranged on the steel truss body, each upper hanging mechanism is a triangular member formed by welding three steel pipes, the upper top point of each triangular member is used as an upper hanging point, and the two lower top points of each triangular member are respectively fixed on the two main trusses.
The fixing points of the two triangular components on the main truss are located at the quarter position of the main truss.
The integral hoisting truss for the precast concrete T-beam roof steel bar is characterized in that four fixed steel wire ropes are arranged at the upper hoisting point of each triangular member, and the four fixed steel wire ropes respectively pull the corresponding truss ends and the middle points of the two main trusses.
The integral hoisting truss for the precast concrete T-beam roof steel bar is characterized in that the hoisting device further comprises a plurality of lower hoisting mechanisms which are uniformly distributed on the two main trusses, each lower hoisting mechanism comprises a positioning groove and a lower hoisting steel wire rope, the positioning groove is formed by two steel bar heads welded on the main trusses, and the lower hoisting steel wire rope is arranged between the two steel bar heads.
The integral hoisting truss for the precast concrete T-beam roof steel bar is characterized in that the lower hoisting steel wire rope is provided with a buckle for dismounting the steel wire rope.
The integral hoisting truss for the precast concrete T-beam top plate steel bar is characterized in that the main truss and the web members are all circular hollow steel pipes.
The beneficial effects of the utility model reside in that:
1. The utility model discloses a what steel truss body owner atress member adopted is circular hollow steel pipe for this truss structure material economy, structure dead weight are little, have advantages such as the structure is light, rigidity is good.
2. The fixed steel wire rope and the lower hanging steel wire rope of the utility model can be disassembled, and the construction is convenient; the raw materials of the positioning groove of the suspension device can be obtained locally, and the cost is low.
3. Utilize the utility model discloses hoist and mount the concatenation, beam rib reinforcing bar and roof reinforcing bar ligature simultaneously, each other do not influence to shorten the occupation time of system roof beam platform position, reached the purpose that promotes efficiency.
4. Roof reinforcing bar is in idle empty ground and is carried out the ligature with corresponding mould for the reinforcement is neat, the interval is accurate, has guaranteed the construction quality of prefabricated T roof beam.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the lower hanging mechanism in fig. 1.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in figure 1, the integral hoisting truss for the precast concrete T-shaped beam top plate steel bar comprises a steel truss body and a suspension device, wherein the steel truss body is a plane truss, the steel truss body comprises two main trusses 1 and a plurality of web members 2, and the main trusses 1 and the web members 2 all adopt circular hollow steel pipes. Two main purlins 1 parallel arrangement, the both ends of all web members 2 are equallyd divide and are do not welded on two main purlins 1, the steel truss body is equipped with the hanging device who is used for connecting hoisting equipment and prefabricated roof reinforcing bar. The longitudinal length of the steel truss body is kept parallel and level with the prefabricated T-shaped beam, and the transverse width of the steel truss body is slightly smaller than the width of the prefabricated T-shaped beam.
The suspension device comprises two upper suspension mechanisms symmetrically arranged on the steel truss body and a plurality of lower suspension mechanisms uniformly distributed on the two main trusses 1, the upper suspension mechanisms are triangular members 3 formed by welding three steel pipes, the upper vertexes of the triangular members 3 are used as upper suspension points 4, and the two lower vertexes of the triangular members 3 are respectively fixed on the two main trusses 1; the fixing points of the two triangular members 3 on the main girder 1 are located at the quarter position of the main girder 1. Four fixed steel wire ropes 5 are arranged at the upper lifting points 4 of the triangular members 3, and the four fixed steel wire ropes 5 respectively pull the corresponding truss ends and the middle points of the two main trusses 1 (namely, the four fixed steel wire ropes at the upper lifting points of the triangular members on the left side respectively pull the left ends and the middle points of the two main trusses 1, and the four fixed steel wire ropes at the upper lifting points of the triangular members on the right side respectively pull the right ends and the middle points of the two main trusses 1). Each lower hoisting mechanism comprises a positioning groove and a lower hoisting steel wire rope 6, as shown in fig. 2, the positioning groove is formed by two steel bar heads 7 welded on the main truss 1, a lower hoisting steel wire rope 6 is arranged between the two steel bar heads 7, the lower hoisting steel wire rope 6 is used as a lower hoisting point to be connected with a top plate steel bar, and a buckle used for dismounting the steel wire rope is arranged on the lower hoisting steel wire rope 6.
The utility model discloses a work progress as follows: and (3) binding the top plate steel bars on the corresponding clamping fixture, transporting the integral hoisting truss to the top plate steel bar binding position through the hanging bracket, connecting the top plate steel bar mesh and the truss in a complete manner by using the lower hoisting steel wire rope 6, suspending the integral hoisting truss to a specified position, completing connection with the web steel bar, unfastening the connection position of the lower hoisting steel wire rope 6 and the top plate steel bar, moving the integral hoisting truss and the hanging bracket to the original position, and finishing the whole process.
Claims (7)
1. The utility model provides a be used for precast concrete T roof beam roof plate reinforcing bar integral hoisting truss which characterized in that: including steel truss body and hanging device, the steel truss body is the plane truss, and the steel truss body includes two main purlins and many web members, two main purlins parallel arrangement, and the welding is divided equally respectively on two main purlins at the both ends of all web members, the steel truss body is equipped with the hanging device who is used for connecting hoisting equipment and prefabricated roof reinforcing bar.
2. The integral hoisting truss for the precast concrete T-beam roof steel bar according to claim 1, which is characterized in that: the suspension device comprises two upper suspension mechanisms symmetrically arranged on the steel truss body, each upper suspension mechanism is a triangular member formed by welding three steel pipes, the upper top point of each triangular member is used as an upper suspension point, and the two lower top points of each triangular member are respectively fixed on the two main trusses.
3. The integral hoisting truss for the precast concrete T-beam roof steel bar according to claim 2, characterized in that: the fixing points of the two triangular members on the main girder are positioned at the quarter position of the main girder.
4. The integral hoisting truss for the precast concrete T-beam roof plate steel bar according to claim 3, which is characterized in that: four fixed steel wire ropes are arranged at the upper lifting points of the triangular members and respectively pull the corresponding truss ends and the middle points of the two main trusses.
5. The integral hoisting truss for the precast concrete T-beam roof plate steel bar according to claim 3, which is characterized in that: the suspension device also comprises a plurality of lower suspension mechanisms which are uniformly distributed on the two main trusses, each lower suspension mechanism comprises a positioning groove and a lower suspension steel wire rope, the positioning groove is formed by two steel bar heads welded on the main trusses, and the lower suspension steel wire rope is arranged between the two steel bar heads.
6. The integral hoisting truss for the precast concrete T-beam roof bar steel bar according to claim 5, which is characterized in that: and the lower hanging steel wire rope is provided with a buckle for dismounting the steel wire rope.
7. The integral hoisting truss for the precast concrete T-beam roof plate steel bar according to claim 3, which is characterized in that: the main trusses and the web members are all made of round hollow steel pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822250979.4U CN209760038U (en) | 2018-12-29 | 2018-12-29 | Be used for precast concrete T roof beam roof plate reinforcing bar integral hoisting truss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822250979.4U CN209760038U (en) | 2018-12-29 | 2018-12-29 | Be used for precast concrete T roof beam roof plate reinforcing bar integral hoisting truss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209760038U true CN209760038U (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822250979.4U Active CN209760038U (en) | 2018-12-29 | 2018-12-29 | Be used for precast concrete T roof beam roof plate reinforcing bar integral hoisting truss |
Country Status (1)
| Country | Link |
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| CN (1) | CN209760038U (en) |
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2018
- 2018-12-29 CN CN201822250979.4U patent/CN209760038U/en active Active
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