CN221320665U - Cantilever construction trolley in middle of steel box girder that narrow interval divides frame to arrange - Google Patents
Cantilever construction trolley in middle of steel box girder that narrow interval divides frame to arrange Download PDFInfo
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- CN221320665U CN221320665U CN202322842966.7U CN202322842966U CN221320665U CN 221320665 U CN221320665 U CN 221320665U CN 202322842966 U CN202322842966 U CN 202322842966U CN 221320665 U CN221320665 U CN 221320665U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 61
- 239000010959 steel Substances 0.000 title claims abstract description 61
- 238000010276 construction Methods 0.000 title claims abstract description 43
- 238000012546 transfer Methods 0.000 claims abstract description 18
- 238000009432 framing Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 7
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 230000009194 climbing Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
According to the steel box girder middle cantilever construction trolley with narrow-space frame arrangement, the rollers on the transfer table can drive the operation table at the bottom to move along the length direction of the steel box girders, so that the operation table can stably move along the steel box girders and stand on the operation table to construct left and right, the problem that the middle cantilever of the narrow-space frame steel box girders cannot be constructed by adopting a conventional cantilever trolley is solved, on the other hand, the transfer table and the operation table are connected through the hanging beam, the problem that the conventional trolley cannot be applied to the steel box girder cantilever construction with the space between the left and right of less than 800mm is solved, a plurality of cantilever arms on two sides can be constructed simultaneously, and a plurality of welding lines, weld detection lines and anti-corrosion coating lines can be formed in front and back arrangement, so that the construction efficiency and safety are greatly improved.
Description
Technical Field
The utility model relates to the technical field of steel box girder construction auxiliary tools, in particular to a steel box girder middle cantilever construction trolley arranged in a narrow-space and framing mode.
Background
Cantilever arm decorating plates are installed on site on steel box girders, and cantilever arm trolleys are often adopted as construction work platforms for welding cantilever arms and outer web welds. The working principle of the conventional cantilever trolley is as follows: the cantilever structure is surrounded from the side face through the trolley structure frame, an operation platform is hung below the steel box girder cantilever, and constructors operate on the platform.
The steel box girder cantilever welding construction work platform comprises a horizontal girder frame, a vertical girder frame and an operation platform which are sequentially arranged from top to bottom, wherein the horizontal girder frame and the operation platform are fixedly connected through the vertical girder frame, a walking assembly is arranged on the bottom surface of one side of the horizontal girder frame, and the walking assembly is arranged on the top surface of the steel box girder cantilever. The steel box girder cantilever arm welding construction operation platform with the structure can realize the construction operation when the cantilever arm of the steel box girder moves back and forth along the bridge laying direction to a certain extent.
However, the cantilever arm trolley cannot be used on steel box girders with the left and right frame arrangement and the interval less than 800mm, because the left and right frame of the steel box girders are closely adjacent to form a closed space, and the conventional cantilever arm trolley has no installation space. If a conventional cantilever arm trolley is adopted for constructing one cantilever arm, then the other cantilever arm trolley for later construction cannot be adopted, and only a plurality of crank arm climbing trolleys and other movable working platforms can be adopted for construction, therefore, the foundation is specially treated to meet the walking of the mechanical equipment, the movable platform is small, the construction requirement can be met by a plurality of combined use, the safety risk is high, and the efficiency is low.
Disclosure of utility model
The utility model provides a steel box girder middle cantilever arm construction trolley which is arranged in a narrow-space frame manner, and aims to solve the problem that the middle cantilever arms of left and right width bridges of the narrow-space frame steel box girders cannot be constructed by adopting a conventional cantilever arm trolley.
According to one aspect of the utility model, a steel box girder middle cantilever construction trolley with narrow-interval framing arrangement is provided, the steel box girder middle cantilever construction trolley comprises a transfer platform and an operation platform, wherein rollers are arranged at the bottom of the transfer platform, the transfer platform is connected with the operation platform through a hanging beam, inclined pulling is arranged between the operation platform and the hanging beam, counter-force seats are arranged at four corners of the operation platform, screw rods are arranged on the counter-force seats, and the rollers abutting against the side ends of the steel box girder are arranged at the end parts of the screw rods.
On the basis of the scheme, preferably, the counterforce seat comprises a bottom plate and lug plates arranged on the bottom plate at intervals, and the screw rod is adjustably arranged on the lug plates in a penetrating mode.
On the basis of the scheme, preferably, a handle wheel is arranged on the other side of the screw rod.
On the basis of the scheme, the guardrail is preferably detachably arranged on two sides of the operation table.
On the basis of the scheme, preferably, the inclined pulling is a steel wire rope, and the hanging beam is a telescopic hanging beam.
On the basis of the scheme, the operation table is preferable and comprises a left side platform and a right side platform, the left side platform and the right side platform are of a frame structure, the adjacent sides of the operation table are all provided with mounting holes, the bottom of the hanging beam is provided with a connecting hole coaxial with the mounting holes, the left side platform, the right side platform and the hanging beam are hinged, and the mounting holes and the connecting holes are internally provided with connecting shafts in a penetrating manner and are fixed through bolts.
According to the steel box girder middle cantilever construction trolley with narrow-space frame arrangement, the rollers on the transfer table can drive the operation table at the bottom to move along the length direction of the steel box girders, so that the operation table can stably move along the steel box girders and stand on the operation table to construct left and right, the problem that the middle cantilever of the narrow-space frame steel box girders cannot be constructed by adopting a conventional cantilever trolley is solved, on the other hand, the transfer table and the operation table are connected through the hanging beam, the problem that the conventional trolley cannot be applied to the steel box girder cantilever construction with the space between the left and right of less than 800mm is solved, a plurality of cantilever arms on two sides can be constructed simultaneously, and a plurality of welding lines, weld detection lines and anti-corrosion coating lines can be formed in front and back arrangement, so that the construction efficiency and safety are greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. In the drawings:
FIG. 1 is a schematic structural view of a steel box girder middle cantilever construction trolley arranged in a narrow-spacing and framing manner;
FIG. 2 is a top view of a steel box girder middle cantilever construction trolley of the utility model arranged in narrow-spacing frames;
FIG. 3 is a use state diagram of the steel box girder middle cantilever construction trolley arranged in a narrow-space and framing manner;
FIG. 4 is an enlarged view of FIG. 3 in accordance with the present utility model;
Reference numerals illustrate:
Transfer table 1, gyro wheel 10, workstation 2, counter-force seat 20, screw rod 21, gyro wheel 22, otic placode 23, bottom plate 24, handle wheel 25, hanging beam 3, draw 4 to one side, guardrail 5, left side platform 61, right side platform 62, connecting hole 64, connecting axle 65.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
It should be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
For the sake of simplicity of the drawing, the parts relevant to the present utility model are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
In the embodiment shown in the drawings, indications of orientation (such as up, down, left, right, front and rear) are used to explain the structure and movement of the various components of the utility model are not absolute but relative. These descriptions are appropriate when the components are in the positions shown in the drawings. If the description of the location of these components changes, then the indication of these directions changes accordingly.
In addition, in the description of the present application, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
Referring to fig. 1, and referring to fig. 2 and 3, the utility model relates to a narrow-space framing steel box girder middle cantilever construction trolley, which comprises a transfer table 1 and a working table 2, wherein the transfer table 1 is in a frame structure, rollers 10 are arranged at the bottom of the transfer table 1, and the transfer table 1 is connected with the middle part of the working table 2 through a hanging girder 3, so that two sides of the working table 2 can approach to the side walls of the steel box girders at two sides, the construction is convenient, and the stress balance of the trolley can be improved.
The oblique pulling 4 is arranged between the working table 2 and the hanging beam 3 to improve the working strength of the working table, the counter-force seats 20 are arranged at four corners of the working table 2, the screw rods 21 are arranged on the counter-force seats 20, the end parts of the screw rods 21 are provided with the rollers 22 which are abutted against the side ends of the steel box beam, and the rollers 22 on the screw rods 21 are abutted against the side ends of the steel box beam, so that when the top of the transferring table 1 is lapped on the top surface of the steel box beam to move, the working table 2 at the bottom can realize stable and balanced movement by positioning the rollers 10, and the working table is concretely referred to as a using state diagram of fig. 4.
According to the steel box girder middle cantilever construction trolley with narrow-interval framing arrangement, an I-shaped integral structure is formed by the transfer table 1, the hanging beams 3 and the operation table 2, the space used by the hanging beams 3 is small, the space between the steel box girders can be small, the defects of a conventional trolley cannot be met, meanwhile, the bottom of the hanging beams 3 is connected with the middle of the operation table 2, the design of the idler wheels 22 is combined, the inclined design of the side end surfaces of the steel box girders can be met, and the stress of the whole steel box girder middle cantilever construction trolley is more balanced in the operation process.
The reaction seat 20 of the present utility model includes a bottom plate 24 and ear plates 23 disposed on the bottom plate 24 at intervals, screw holes adapted to the screw rods 21 are disposed on the ear plates 23, the screw rods 21 are adjustably inserted into the screw holes on the ear plates 23, and a handle wheel 25 is disposed on the other side of the screw rods 21 for conveniently applying an adjusting force.
When the intervals of the steel box girders on the two sides are different, the length of the screw rod 21 can be adjusted by applying working force on the handle wheel 25, so that the roller 10 is always positioned on the surface of the steel box girders, and the stress balance of the roller is ensured.
Furthermore, the two sides of the workbench 2 are detachably provided with the guardrails 5, so that the construction safety is ensured.
As another preferred embodiment of the present utility model, the cable-stayed 4 is a steel wire rope, the hanging beam 3 is a telescopic hanging beam 3, the working table 2 comprises a left side platform 61 and a right side platform 62, the left side platform 61 and the right side platform 62 are in a frame structure, mounting holes are formed on adjacent sides of the left side platform 61 and the right side platform 62, a connecting hole 64 coaxial with the mounting holes is formed at the bottom of the hanging beam 3, the left side platform 61 and the right side platform 62 are hinged with the hanging beam 3, and a connecting shaft 65 is penetrated in the mounting holes and the connecting hole 64 and fixed through bolts.
That is, when the transport is required, the length of the telescopic hanging beam 3 can be adjusted according to the height of the left platform 61, and the connecting shaft 65 is drawn out, so that the left platform 61 and the right platform 62 rotate 90 degrees relative to the hanging beam 3, thereby reducing the space utilization rate and facilitating the transport.
According to the steel box girder middle cantilever construction trolley with narrow-space frame arrangement, the rollers 10 on the transfer table 1 can drive the operation table 2 at the bottom to move along the length direction of the steel box girders, so that the operation table 2 can stably move along the steel box girders, stand on the operation table 2 and can perform left and right construction, the problem that the middle side cantilever of a narrow-space frame steel box girder left and right bridge cannot be constructed by adopting a conventional cantilever trolley is solved, on the other hand, the problem that the conventional trolley cannot be applied to the construction of the steel box girder cantilever with the left and right frame spacing of less than 800mm is solved by connecting the transfer table 1 with the operation platform through the hanging beam 3, the cantilever on two sides can be constructed simultaneously, and a plurality of steel box girder cantilever pipelines capable of forming welding, welding seam detection and anti-corrosion coating can be arranged front and back, so that the construction efficiency and safety are greatly improved.
The utility model is designed based on the field installation construction requirement of a third steel box girder of a left bank large road, the steel box girders are distributed in left and right width, the distance between the two steel box girders is only 20mm, and the conventional cantilever trolley cannot be implemented. The utility model successfully solves the problem, and avoids unsafe and low-efficiency construction processes such as crank arm climbing vehicles, automobile man-lift construction and the like. Greatly improves the operation efficiency and the safety, has the steel quantity of about 600kg for the whole set of operation trolley and reduces the construction cost.
Finally, the method of the present utility model is only a preferred embodiment and is not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a cantilever construction dolly in middle of steel case roof beam that narrow interval frame was arranged, its characterized in that, including transfer platform and the operation panel that is frame construction, the gyro wheel has been installed to transfer platform bottom, transfer the platform through the hanging beam with the operation panel links to each other, the operation panel with be provided with between the hanging beam to one side, the counter-force seat has been installed in the four corners of operation panel, the screw rod has been installed on the counter-force seat, the gyro wheel of conflict at steel case roof beam side has been installed to the tip of screw rod.
2. The narrow-spacing framing steel box girder middle cantilever construction trolley according to claim 1, wherein the counter-force seat comprises a bottom plate and lug plates arranged on the bottom plate at intervals, and the screw rod is adjustably arranged on the lug plates in a penetrating mode.
3. A steel box girder middle cantilever construction trolley arranged in a narrow-spacing and framing manner as claimed in claim 2, wherein a handle wheel is arranged on the other side of the screw rod.
4. The narrow-spacing and framing steel box girder middle cantilever construction trolley as claimed in claim 1, wherein guardrails are detachably arranged on two sides of the operation table.
5. The steel box girder middle cantilever construction trolley arranged in a narrow-spacing and framing manner according to claim 1, wherein the inclined pulling is a steel wire rope, and the hanging girder is a telescopic hanging girder.
6. The steel box girder middle cantilever construction trolley arranged in a narrow-spacing and framing manner according to claim 5, wherein the operation platform comprises a left side platform and a right side platform, the left side platform and the right side platform are of a frame structure, mounting holes are formed in adjacent sides of the left side platform and the right side platform, connecting holes coaxial with the mounting holes are formed in the bottoms of the hanging girders, the left side platform and the right side platform are hinged to the hanging girders, and connecting shafts penetrate through the mounting holes and the connecting holes and are fixed through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322842966.7U CN221320665U (en) | 2023-10-23 | 2023-10-23 | Cantilever construction trolley in middle of steel box girder that narrow interval divides frame to arrange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322842966.7U CN221320665U (en) | 2023-10-23 | 2023-10-23 | Cantilever construction trolley in middle of steel box girder that narrow interval divides frame to arrange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221320665U true CN221320665U (en) | 2024-07-12 |
Family
ID=91792930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322842966.7U Active CN221320665U (en) | 2023-10-23 | 2023-10-23 | Cantilever construction trolley in middle of steel box girder that narrow interval divides frame to arrange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221320665U (en) |
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2023
- 2023-10-23 CN CN202322842966.7U patent/CN221320665U/en active Active
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