CN211772895U - Beam body working rack for variable cross-section box girder - Google Patents
Beam body working rack for variable cross-section box girder Download PDFInfo
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- CN211772895U CN211772895U CN202020079826.2U CN202020079826U CN211772895U CN 211772895 U CN211772895 U CN 211772895U CN 202020079826 U CN202020079826 U CN 202020079826U CN 211772895 U CN211772895 U CN 211772895U
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- 239000000725 suspension Substances 0.000 claims abstract description 9
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- 241000761557 Lamina Species 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims 2
- 238000000429 assembly Methods 0.000 claims 2
- 230000008859 change Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 230000009193 crawling Effects 0.000 description 4
- 238000005034 decoration Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a beam body work rack for variable cross-section box girder, including two rack bodies, two rack bodies are symmetrically hung on two wing plates of the box girder, the rack body includes a load-carrying frame, a rolling wheel walking on the wing plates is arranged at the bottom of the load-carrying frame, a balancing weight is arranged on the load-carrying frame, a suspension arm is connected on the load-carrying frame, a connecting frame extending to the beam body is connected at the bottom of the suspension arm, a vertical frame is connected at the inner end of the connecting frame, a work truss girder is connected between the two vertical frames at two sides of the beam body in a sliding way, and a pulley block or an electric hoist used for lifting the work truss girder is arranged on the connecting frame; in the process of longitudinal movement of the two rack bodies, the working truss beams can move up and down to adapt to the change of the section of the box girder; thereby be equipped with the balancing weight on the load frame and make two rack bodies when the walking of both wings board 2, the anti-overturning factor of safety of work rack is bigger, and work is more steady, safety.
Description
Technical Field
The utility model belongs to the technical field of the decoration stretch-draw equipment of case roof beam, in particular to a roof beam body work rack for variable cross section case roof beam.
Background
When erecting the box girder blocks, the girder blocks need to be tensioned; after the beam block is erected, the beam block is usually required to be subjected to beam body modification work such as gluing and cleaning. The tensioning and decoration work of the conventional box girder can be carried out through a trolley or a cradle.
Chinese patent, publication No. CN106917353B, discloses an open-close type box girder passing pier overhauling construction trolley and a working method thereof, comprising trolley trusses erected at two sides of a box girder, wherein each trolley truss comprises a first truss erected at the outer side of the box girder and a second truss erected at the inner side of the box girder, a bottom truss is connected between the bottom of the first truss and the bottom of the second truss, the outer end of the bottom truss is hinged with the bottom of the first truss, the inner end of the bottom truss is matched and fixed with the bottom of the second truss, the inner end of the bottom truss is connected with a winch through a steel wire rope, the steel wire rope comprises a first steel wire rope fixedly connected with the inner end of the bottom truss and a second steel wire rope wound on a roller of the winch, the end of the first steel wire rope is fixedly connected with the end of the second steel wire rope through a rope clamp, and the winch is fixed on the second truss; and the top of the trolley truss is provided with a travelling mechanism travelling along the axis direction of the box girder. The bottom truss is hinged with the first truss and fixed with the second truss, so that large-opening-closing type pier passing construction is realized, and the large-opening-closing type pier passing construction can be used for various beam system construction.
However, for tensioning and modifying the beam body of the variable cross-section box beam, the height of the beam body in the longitudinal direction is constantly changed, and the height difference is large, so that the height of the platform needs to be constantly adjusted to adapt to the change of the beam height in the process of longitudinally moving the erected beam block.
Disclosure of Invention
The utility model aims to provide a beam body working rack for a variable cross-section box girder; the technical scheme adopted for achieving the purpose is as follows:
the utility model provides a roof beam body work rack for variable cross section case roof beam, includes two rack bodies, and two rack body symmetries hang on two pterygoid laminas of case roof beam, the rack body includes the load frame, is equipped with the roll wheel of walking on the pterygoid lamina at load frame bottom, is equipped with the balancing weight on the load frame, is connected with the suspension arm on the load frame, is connected with the link that stretches to the roof beam body bottom the suspension arm, is connected with vertical frame in the inner of link, and sliding connection has the work longeron between two vertical frames of roof beam body both sides, is equipped with assembly pulley or the electric hoist that is used for lifting by crane the work longeron on the link.
Preferably, a crawling ladder is arranged on the suspension arm, a working platform is arranged on the connecting frame, and the crawling ladder is used for an operator to walk back and forth between the loading frame and the working platform.
Preferably, a baffle plate for preventing the working truss girder from falling is arranged at the bottom of the vertical frame.
Preferably, the vertical frame penetrates through the working truss girder, and the vertical frame is connected with the working truss girder in a sliding mode through the guide assembly.
Preferably, the vertical frame is formed by enclosing four upright posts, the four upright posts are fixedly connected through diagonal draw bars, and eight connecting positions of the four upright posts and the upper and lower four cross beams of the working truss beam are all in sliding connection through the guide assembly; the guide assembly comprises two supports arranged on a cross beam of the working truss girder, each support is provided with a guide wheel, and the guide wheels are in rolling contact with two outer side surfaces of the stand columns so as to guide and limit the up-and-down motion of the working truss girder.
The utility model discloses the beneficial effect who has does: (1) in the process of longitudinal movement of the two gantry bodies, the working truss beam 11 can move up and down to adapt to the change of the section of the box girder;
(2) thereby be equipped with balancing weight 4 on load frame 5 and make two rack bodies when the walking of both wings board 2, the anti-overturning factor of safety of work rack is bigger, and work is more steady, safety.
(3) The tops of the two rack bodies are mutually independent, and no truss or steel wire rope is arranged in the middle, so that construction equipment can conveniently pass through the upper part of the beam body, the longitudinal movement range is large, and the working racks and the construction equipment on the beam body can work in parallel.
(4) The working truss beam 11 is connected with the two vertical frames 10 in a sliding way, and meanwhile, the two frame bodies are connected together to strengthen the integrity and be firmer;
(5) the guide wheels 15 are in rolling contact with the side surfaces of the upright posts 18 so as to guide and limit the up-and-down movement of the working truss girder 11.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a sliding connection part of the vertical frame and the working truss girder.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, a beam body working rack for a variable cross-section box girder comprises two rack bodies, wherein the two rack bodies are symmetrically hung on two wing plates 2 of the box girder 1, the rack bodies comprise a load frame 5, rolling wheels 3 walking on the wing plates 2 are arranged at the bottom of the load frame 5, balancing weights 4 are arranged on the load frame 5, a suspension arm 7 is connected to the load frame 5, a connecting frame 8 extending to a beam body 14 is connected to the bottom of the suspension arm 7, a vertical frame 10 is connected to the inner end of the connecting frame 8, a working truss girder 11 is slidably connected between the two vertical frames 10 at two sides of the beam body 14, and a pulley block 9 or an electric hoist for hoisting the working truss girder 11 is arranged on the connecting frame 8; at the bottom of the vertical frame 10 is a barrier 12 for preventing the working girder 11 from falling.
When the height of the beam body 14 is high, workers on the working truss beam 11 are inconvenient to modify the lower surface and the side surface of the flange of the beam body 14, so that the working platform is arranged on the connecting frame 8 and the vertical frame 10 or the working platform is directly arranged on the connecting frame and the vertical frame, the crawling ladder 6 is arranged on the suspension arm 7, and the crawling ladder is arranged on one side of the vertical frame 10, so that the workers can walk back and forth between the load frame 5 and the connecting frame 8 and between the connecting frame 8 and the working truss beam 11.
The vertical frame 10 penetrates through the working truss girder 11, and the vertical frame 10 is connected with the working truss girder 11 in a sliding mode through the guide assembly 13. Specifically, as shown in fig. 2, the vertical frame 10 is formed by enclosing four upright posts 18, the four upright posts 18 are fixedly connected through diagonal draw bars, and eight joints of the four upright posts 18 and the upper and lower four cross beams 17 of the working truss beam 11 are all connected in a sliding manner through the guide assembly 13; the guiding assembly 13 comprises two supports 16 arranged on a cross beam 17 of the working truss beam 11, a guiding wheel 15 is arranged on each support 16, and the guiding wheels 15 are in rolling contact with two outer side surfaces of the upright post 18 so as to guide and limit the up-and-down movement of the working truss beam 11.
The utility model mainly carries out the decoration work of stretching, gluing, cleaning and the like on the erected beam body 14, after the current position is processed, the rack body is driven to longitudinally move on the wing plate 2 under the action of external force, the size of the cross section of the beam body 14 can change along with the change in the moving process, and at the moment, the height of the working truss beam 11 is changed by a worker through the pulley block 9 or the electric hoist; meanwhile, the worker can enter the connecting frame 8 through the ladder 6 to finish the two side parts of the beam body 14.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments, but such modifications or substitutions do not depart from the spirit and scope of the present invention.
Claims (5)
1. The utility model provides a roof beam body work rack for variable cross section case roof beam, a serial communication port, including two rack bodies, two rack body symmetries hang on two pterygoid laminas of case roof beam, the rack body includes the load frame, is equipped with the roll wheel of walking on the pterygoid lamina at load frame bottom, is equipped with the balancing weight on the load frame, is connected with the cantilever on the load frame, is connected with the link that stretches to the roof beam body bottom the cantilever, is connected with vertical frame in the inner of link, sliding connection has the work longeron between two vertical frames of roof beam body both sides, is equipped with assembly pulley or the electric hoist that is used for lifting by crane the work longeron on the link.
2. A beam work bench for a variable cross-section box girder according to claim 1, wherein a ladder stand is provided on the suspension arm and a work platform is provided on the link, the ladder stand being adapted for an operator to walk back and forth between the carrier and the work platform.
3. The girder work bench for a variable cross-section box girder according to claim 1 or 2, wherein a barrier for preventing the work girder from falling is provided at the bottom of the vertical frame.
4. The beam body work bench for variable cross-section box girders according to claim 3, wherein the vertical frame is arranged through the work girders, and the vertical frame and the work girders are slidably connected through the guide assemblies.
5. The beam body working rack for the variable cross-section box girder as claimed in claim 4, wherein the vertical frame is formed by enclosing four upright posts, the four upright posts are fixedly connected through diagonal draw bars, and eight joints of the four upright posts and the upper and lower four cross beams of the working truss girder are all connected in a sliding manner through guide assemblies; the guide assembly comprises two supports arranged on a cross beam of the working truss girder, each support is provided with a guide wheel, and the guide wheels are in rolling contact with two outer side surfaces of the stand columns so as to guide and limit the up-and-down motion of the working truss girder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020079826.2U CN211772895U (en) | 2020-01-15 | 2020-01-15 | Beam body working rack for variable cross-section box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020079826.2U CN211772895U (en) | 2020-01-15 | 2020-01-15 | Beam body working rack for variable cross-section box girder |
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| CN211772895U true CN211772895U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020079826.2U Active CN211772895U (en) | 2020-01-15 | 2020-01-15 | Beam body working rack for variable cross-section box girder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119306117A (en) * | 2024-12-19 | 2025-01-14 | 山西韵通机械设备制造有限公司 | Positioning and hanging device for box girder installation |
-
2020
- 2020-01-15 CN CN202020079826.2U patent/CN211772895U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119306117A (en) * | 2024-12-19 | 2025-01-14 | 山西韵通机械设备制造有限公司 | Positioning and hanging device for box girder installation |
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