CN220847086U - Movable aerial work trolley for steel box girder construction - Google Patents
Movable aerial work trolley for steel box girder construction Download PDFInfo
- Publication number
- CN220847086U CN220847086U CN202322143954.5U CN202322143954U CN220847086U CN 220847086 U CN220847086 U CN 220847086U CN 202322143954 U CN202322143954 U CN 202322143954U CN 220847086 U CN220847086 U CN 220847086U
- Authority
- CN
- China
- Prior art keywords
- steel box
- box girder
- groove
- type frame
- frame units
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 51
- 239000010959 steel Substances 0.000 title claims abstract description 51
- 238000010276 construction Methods 0.000 title claims abstract description 38
- 239000004677 Nylon Substances 0.000 claims abstract description 13
- 229920001778 nylon Polymers 0.000 claims abstract description 13
- 239000004033 plastic Substances 0.000 claims abstract description 13
- 238000003466 welding Methods 0.000 claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
A movable aerial work trolley for steel box girder construction comprises a plurality of groove-shaped frame units (1) which are arranged on the bottom surface of the steel box girder and are connected end to end, hanging bodies (2) which are respectively connected with the endpoints of the groove-shaped frame units, plastic nylon supporting wheels (3) with one ends arranged on wind nozzles of the steel box girder and the other ends fixed on the hanging bodies, and fixing pieces (4); the groove type frame unit comprises a groove type frame formed by welding a plurality of beam rods (1 a) and a plurality of vertical rods (1 b) and a bottom plate (1C) arranged in the groove type frame, the hanging body is a C type frame body formed by welding a vertical rod (2 a) and a horizontal rod (2 b), and the groove type frame units are fixedly connected through fixing pieces. The utility model fully utilizes the structural characteristics of the steel box girder bridge, can be quickly erected according to construction requirements, enables the steel box girder bridge to be closely attached to the steel box girder structure, can slide to corresponding construction positions according to construction requirements, improves the working efficiency, ensures the safety of constructors, is convenient to install and detach, and can be repeatedly used.
Description
Technical Field
The utility model belongs to the technical field of bridge engineering construction equipment, and particularly relates to a movable overhead working truck for steel box girder construction.
Background
Engineering construction and maintenance of a steel box girder bridge belong to high-altitude operation and can cross rivers, river or canyons. The existing bridge overhead operation construction platform comprises the following components: most conventional scaffolds, cantilever work platforms or baskets, elevator platforms, and temporary construction work platforms. The scaffold formed by connecting the steel pipes transversely and longitudinally by using the fasteners has long erection time, more material use, large occupied space and influence on traffic below a platform; the cantilever operation platform or the hanging basket can only be suspended at a certain position in a mid-air high-altitude operation mode, the platform is unstable when the platform encounters strong wind and other weather, constructors are difficult to control the hanging basket to move by themselves, the constructors are difficult to go up and down the trolley, and a plurality of inconveniences are brought to the construction operation; the elevator platform adopts the combination of a scissor fork structure and a hydraulic device, and the operation platform is lifted to a certain height so as to meet the requirement of high-altitude operation, but the elevator occupies small space and has small operation space, and the traffic below the platform is influenced; and a plurality of construction work platforms which are temporarily built by combining the components are arranged, the carrying and the connection of each component are carried out in the high altitude by constructors, the erection, the assembly and the disassembly are time-consuming, the labor intensity is high, and the construction work personnel have great potential safety hazards.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides a movable overhead working trolley for steel box girder construction, which is safe and reliable, can slide to a position needing construction according to construction needs, is convenient to mount and dismount and can be repeatedly used, and is used for construction and maintenance of the steel box girder.
The technical scheme adopted by the utility model is as follows:
A movable aerial work trolley for steel box girder construction comprises a plurality of groove-shaped frame units, hanging bodies, plastic nylon supporting wheels and fixing pieces, wherein the groove-shaped frame units are arranged on the bottom surface of a steel box girder and are connected end to end, the hanging bodies are respectively connected with the end points of the groove-shaped frame units, one ends of the plastic nylon supporting wheels are arranged on a steel box girder tuyere, and the other ends of the plastic nylon supporting wheels are fixed on the hanging bodies;
The groove type frame unit comprises a groove type frame formed by welding a plurality of transverse beam rods and a plurality of upright post rods and a bottom plate arranged in the groove type frame, the hanging body is a C type frame body formed by welding a vertical rod and a transverse rod, the groove type frame units are fixedly connected through fixing pieces, and the plastic nylon supporting wheels are at least 8 symmetrically arranged on the air nozzles at two ends of the steel box girder.
Further, the beam rod, the vertical rod and the cross rod are all I-steel.
Further, the I-steel of the beam rod is transversely arranged.
Further, the outer side surfaces of the groove-shaped frame units are provided with reinforcing rods in a diagonal line, and the reinforcing rods of two adjacent groove-shaped frame units are connected end to end.
Further, the fixing piece is an equilateral angle steel and a bolt.
Further, a safety net is arranged on the side face of the groove-shaped frame unit.
Further, skirting boards are arranged on the lower side face of the groove-shaped frame unit.
The utility model has the beneficial effects that:
The utility model fully utilizes the structural characteristics of the steel box girder bridge, the utility model is tightly attached to the steel box girder structure, and the overhead working trolley moves to the construction position along the length direction of the bridge according to the construction requirement by the plastic nylon supporting wheels arranged on the steel box girder wind nozzle, so that the construction or maintenance operation is more convenient, and the construction efficiency is improved; through the reinforcing rods, the safety protection net and the skirting board, the safety and stability of the structure are ensured, and the safety of constructors is ensured; the length and the height of the utility model can be freely set according to the requirements, and the utility model is not only limited to the construction and maintenance of the steel box girder, but also applicable to the overhead operation of other bridges.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a left side view of the channel frame unit of FIG. 1;
fig. 3 is a schematic view of the present utility model in use state in the construction of a steel box girder bridge.
Detailed Description
The utility model is further elucidated below in connection with the drawing and the examples of the specification.
As shown in fig. 1 and 2, the movable overhead working trolley for steel box girder construction comprises a plurality of groove-shaped frame units 1 which are arranged on the bottom surface of a steel box girder A and are connected end to end, hanging bodies 2 which are respectively connected with the end points of the groove-shaped frame units, and plastic nylon supporting wheels 3, wherein one ends of the plastic nylon supporting wheels are arranged on wind nozzles of the steel box girder, the other ends of the plastic nylon supporting wheels are fixed on the hanging bodies, at least 8 plastic nylon supporting wheels are symmetrically arranged on the wind nozzles at the two ends of the steel box girder, each supporting wheel can bear 1.3T of force, and can be arranged on the wind nozzles of the steel box girder and can freely move on the wind nozzles of a bridge; the groove type frame unit comprises a groove type frame formed by welding a plurality of beam rods 1a and a plurality of vertical rods 1b and a bottom plate 1C arranged in the groove type frame, wherein the bottom plate can be made of a 2mm thin steel plate, the hanging body is a C type frame body formed by welding a vertical rod 2a and a horizontal rod 2b, and the groove type frame units are fixed through fixing pieces 4. The beam rod, the vertical rod, the reinforcing rod, the vertical rod and the cross rod can be of I-steel structures which are more stable, the beam rod and the cross rod can adopt 14# I-steel, the vertical rod and the vertical rod can adopt 10# I-steel, the reinforcing rod adopts 63 x 5 equilateral angle steel, and the transverse arrangement of the I-steel of the beam rod is beneficial to bearing; the outer side surfaces of the groove-shaped frame units are provided with reinforcing rods 5 in a diagonal line, the reinforcing rods of two adjacent groove-shaped frame units are connected end to end, and the reinforcing rods are arranged on the transverse beam rods of the bottom surfaces of the groove-shaped frame units, so that the whole structure is more stable, and the construction is safer; the fixing piece adopts equilateral angle steel and bolts to fix the groove type frame units end to end or can adopt welding fixation, the small flat length and the vertical height of the utility model can be adjusted according to construction requirements, the installation and the disassembly between the groove type frame units are convenient, the safety protection net 6 adopting 30 x 30 and the skirting board 7 adopting 2mm steel plates are arranged, and constructors are safer in standing construction.
When the movable overhead working truck is used, as shown in fig. 3, the movable overhead working truck is installed according to the drawing requirements, the movable overhead working truck is lifted to a construction site by an automobile crane and installed before the beam section is lifted, a constructor stands on the bottom surface with the protective guard for construction, and when the construction position needs to be changed, the construction is carried out by moving the plastic nylon supporting wheels to the position needing to be constructed along the length direction of the bridge, and the movable overhead working truck can be disassembled and recycled after the construction is finished. The utility model can also be used for high-altitude welding fireproof operation, high-altitude coating operation, high-altitude overhaul operation, high-altitude polishing operation, high-altitude weld detection operation and other high-altitude operations.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (7)
1. The movable aerial work trolley for the construction of the steel box girder is characterized by comprising a plurality of groove-shaped frame units (1) which are arranged on the bottom surface of the steel box girder and are connected end to end, hanging bodies (2) which are respectively connected to the endpoints of the groove-shaped frame units, plastic nylon supporting wheels (3) with one ends arranged on the wind mouth of the steel box girder and the other ends fixed on the hanging bodies, and fixing pieces (4);
The groove type frame unit comprises groove type frames formed by welding a plurality of beam rods (1 a) and a plurality of vertical rods (1 b) and a bottom plate (1C) arranged in the groove type frames, the hanging body is a C-shaped frame body formed by welding a vertical rod (2 a) and a horizontal rod (2 b), the groove type frame units are fixedly connected through fixing pieces, and at least 8 plastic nylon supporting wheels are symmetrically arranged on air nozzles at two ends of a steel box girder.
2. The movable overhead working truck for steel box girder construction according to claim 1, wherein the cross beam rod, the vertical rod and the cross rod are all I-steel.
3. The movable overhead working truck for steel box girder construction according to claim 2, wherein the i-steel of the girder bar is transversely arranged.
4. The movable overhead working truck for steel box girder construction according to claim 1, wherein reinforcing rods (5) are arranged on the outer side facing corner lines of the groove-shaped frame units, and the reinforcing rods of two adjacent groove-shaped frame units are connected end to end.
5. The movable overhead working truck for constructing steel box girders according to claim 1, wherein the fixing members are equilateral angle steel and bolts.
6. A movable overhead working truck for constructing steel box girders according to any one of claims 1 to 5, characterized in that the side of the trough-type frame unit is provided with a safety net (6).
7. A movable overhead working truck for constructing a steel box girder according to any one of claims 1-5, characterized in that skirting boards (7) are provided on the underside of the trough-type frame units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322143954.5U CN220847086U (en) | 2023-08-10 | 2023-08-10 | Movable aerial work trolley for steel box girder construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322143954.5U CN220847086U (en) | 2023-08-10 | 2023-08-10 | Movable aerial work trolley for steel box girder construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220847086U true CN220847086U (en) | 2024-04-26 |
Family
ID=90787619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322143954.5U Active CN220847086U (en) | 2023-08-10 | 2023-08-10 | Movable aerial work trolley for steel box girder construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220847086U (en) |
-
2023
- 2023-08-10 CN CN202322143954.5U patent/CN220847086U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106939707B (en) | A kind of restricted clearance large-scale steel structure supporting platform from method for improving | |
| CN201843074U (en) | Parallel moving bin for overhauling ramp bridge of overpass | |
| CN110512517B (en) | Bridge engineering construction platform | |
| CN210002931U (en) | tool type protection system for telescopic adjustment of construction of super high-rise outer frame column | |
| CN104790644B (en) | Extending and contracting sliding support frame for roof decorative bottom boards | |
| CN206873495U (en) | A kind of Portable piping lane side wall formwork jumbo | |
| CN220847086U (en) | Movable aerial work trolley for steel box girder construction | |
| CN111847242A (en) | Special trolley for mounting movable adjustable sliding contact line | |
| CN216947940U (en) | Box culvert external mold lifting device | |
| CN112502475B (en) | Supporting bearing capacity conversion device and using method thereof | |
| CN216889750U (en) | Detachable movable portal frame for improving hoisting operation safety | |
| CN212245942U (en) | Special trolley for mounting movable adjustable sliding contact line | |
| CN107217685A (en) | A kind of Portable piping lane side wall formwork jumbo | |
| CN210238316U (en) | Bridge inverted U-shaped hanging basket device | |
| CN218912192U (en) | Clamp type operation platform suitable for box girder | |
| CN110886225A (en) | Construction method of cable tower stay cable installation system | |
| CN219951695U (en) | Multifunctional movable construction work platform device for bicycle lane | |
| CN217839706U (en) | Steel truss girder stiffening chord member connecting operation platform | |
| CN217678613U (en) | A travelling car for bridge transverse prestressing force stretch-draw | |
| CN217869989U (en) | Operation platform is connected to steel longeron upper chord member | |
| CN218759027U (en) | Stride modular protection canopy structure of existing public road steel construction bridge | |
| CN215052204U (en) | 0# block supporting frame structure of cylindrical pier | |
| CN215629420U (en) | Movable construction platform for bridge wing operation | |
| CN214006471U (en) | Steel tube scaffold operation platform on four-beam traveling crane of industrial factory building | |
| CN220011922U (en) | Hoisting and horizontal transportation platform in building curtain wall building layer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |