CN221320689U - Bridge pier safety protection construction device of bridge girder erection machine - Google Patents
Bridge pier safety protection construction device of bridge girder erection machine Download PDFInfo
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- CN221320689U CN221320689U CN202323283094.1U CN202323283094U CN221320689U CN 221320689 U CN221320689 U CN 221320689U CN 202323283094 U CN202323283094 U CN 202323283094U CN 221320689 U CN221320689 U CN 221320689U
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- workbench
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- platform
- safety protection
- pier
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- 238000010276 construction Methods 0.000 title claims abstract description 35
- 230000001681 protective effect Effects 0.000 claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 238000005303 weighing Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 230000000670 limiting effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
Abstract
The utility model discloses a bridge pier safety protection construction device of a bridge girder erection machine, which comprises two groups of connecting plates, wherein the connecting plates comprise U-shaped coamings, the U-shaped coamings are arranged on pier columns in a surrounding mode and are kept fixed with the pier columns through connecting bolts, and one side of the upper surface of each U-shaped coamings is provided with a bearing platform extending outwards; and two groups of working tables are arranged, the working tables are arranged on the upper bearing platform corresponding to the connecting plates, the working tables comprise working platforms and protective fences, one side of each working platform is provided with a U-shaped groove matched with one side of each abutment, and the protective fences are arranged on the periphery of the working platform in a surrounding mode. The utility model discloses pass through connecting bolt fixed mounting with the connecting plate on the pier stud, set up work platform on the weighing platform of connecting plate afterwards to the staff of being convenient for stands and constructs on work platform, and the protection rail around can protect staff's construction safety, thereby improves the security of construction.
Description
Technical Field
The utility model relates to the technical field of bridge construction, in particular to a bridge abutment protection platform for bridge girder erection machine construction.
Background
The existing high-speed railway bridge abutment has the height above the ground of more than 2 meters, a girder bridge girder erection machine is adopted for box girder erection, and construction such as bridge positioning, support mortar pouring and the like is required to be carried out on the bridge abutment by operators during the box girder erection, and according to the national standard GB 3608-93 'high-altitude operation classification', provision is made: "all work is performed at a height above the falling height reference plane 2m, which is likely to fall, belongs to the work at the height. Therefore, in the existing construction, operators tie safety belts mostly, the safety of the operators is guaranteed in a mode that the other ends of the safety belts are buckled on supporting legs of the bridge girder erection machine, but the safety belts are limited by the length of the safety belts in the construction, the positions of the safety buckles are required to be frequently changed, the operation is inconvenient, and large potential safety hazards exist.
Disclosure of utility model
Therefore, in order to solve the above-mentioned shortcomings, the present utility model provides a bridge abutment protection platform for a bridge girder erection machine, which comprises two sets of connection plates, wherein the connection plates comprise U-shaped coamings, the U-shaped coamings are arranged on pier columns in a surrounding manner, the U-shaped coamings are kept fixed with the pier columns through connection bolts, and a bearing platform extending outwards is arranged on one side of the upper surface of the U-shaped coamings; and two groups of working tables are arranged, the working tables are arranged on the upper bearing platform corresponding to the connecting plates, the working tables comprise working platforms and protective fences, one side of each working platform is provided with a U-shaped groove matched with one side of each abutment, and the protective fences are arranged on the periphery of the working platform in a surrounding mode.
The utility model discloses pass through connecting bolt fixed mounting with the connecting plate on the pier stud, set up work platform on the weighing platform of connecting plate afterwards to the staff of being convenient for stands and constructs on work platform, and the protection rail around can protect staff's construction safety, thereby improves the security of construction. The protection platform can facilitate construction operation and ensure construction safety of operators.
In order to achieve connection and fixation of the two groups of connecting plates, preferably, the protection platform further comprises a connecting block, and the two groups of connecting plates are fixedly connected through the connecting block.
In order to realize the positioning and fixing between the connecting block and the U-shaped coaming, preferably, a positioning groove is arranged on the outer side of the U-shaped coaming, positioning holes are arranged in the positioning groove, and the positioning holes are equidistantly arranged along the extending direction of the positioning groove; connecting holes are formed in two ends of the connecting block, the connecting bolts sequentially penetrate through the connecting holes in one end of the connecting block and the positioning holes in the corresponding positions, and the connecting block and the connecting plate are fixedly screwed. The connecting block is matched into the positioning groove, the connecting holes at the end parts of the connecting block correspond to the positioning holes, and the connecting bolts sequentially penetrate through the positioning holes of the connecting holes and are screwed down to be fixed, so that the fixed connection between the connecting block and the connecting plate is realized, the spacing between the two groups of connecting plates can be adjusted through the positioning holes of the connecting holes corresponding to different positions, and the adjustment of adaptability is performed according to the width of the pier column.
In order to improve the support strength to the bearing platform, preferably, the protection platform further comprises a support reinforcing bracket, wherein the support reinforcing bracket is integrally and obliquely arranged below the bearing platform, one end of the support reinforcing bracket is fixed with the lower surface of the bearing platform, and the other end of the support reinforcing bracket is fixed with the side face of the pier column. Support at the lower surface of bearing platform through supporting the support slope and strengthen support, pier stud and bearing platform between form triangular structure to the support intensity to bearing platform has been improved.
In order to realize the height adjustment of the workbench, a lifting device is further arranged between the bearing platform and the workbench. The lifting device comprises a scissor type lifting frame; and the power device drives the scissor type telescopic frame to move in a telescopic way, so that the whole lifting of the workbench is realized. The power device drives the scissor type telescopic frame to move in a telescopic way, so that the workbench is driven to slide vertically, and the height of the platform is adjusted adaptively according to actual construction conditions.
In order to realize stable sliding of the workbench and avoid toppling of the workbench, preferably, mounting grooves are formed in two sides of the U-shaped groove, and an anti-toppling guide wheel assembly is mounted in the mounting grooves; and the side surface of the pier column is provided with an anti-tilting guide rail corresponding to the position of the anti-tilting guide wheel assembly, and guide wheels in the anti-tilting guide wheel assembly are embedded in guide grooves of the anti-tilting guide rail. In the motion process of the workbench, the anti-tilting guide wheel assembly moves along the extending direction of the anti-tilting guide rail, so that the motion guide of the workbench is realized, the stability of the workbench is improved, and meanwhile, due to the motion limiting effect of the anti-tilting guide rail on the anti-tilting guide wheel assembly, the tilting of the workbench in the motion process can be effectively prevented, and the safety of the operation is improved.
The utility model has the following advantages: the utility model discloses pass through connecting bolt fixed mounting with the connecting plate on the pier stud, set up work platform on the weighing platform of connecting plate afterwards to the staff of being convenient for stands and constructs on work platform, and the protection rail around can protect staff's construction safety, thereby improves the security of construction. The protection platform can facilitate construction operation and ensure construction safety of operators.
The connecting block is matched into the positioning groove, the connecting holes at the end parts of the connecting block correspond to the positioning holes, and the connecting bolts sequentially penetrate through the positioning holes of the connecting holes and are screwed down to be fixed, so that the fixed connection between the connecting block and the connecting plate is realized, the spacing between the two groups of connecting plates can be adjusted through the positioning holes of the connecting holes corresponding to different positions, and the adjustment of adaptability is performed according to the width of the pier column.
Support at the lower surface of bearing platform through supporting the support slope and strengthen support, pier stud and bearing platform between form triangular structure to the support intensity to bearing platform has been improved.
The power device drives the scissor type telescopic frame to move in a telescopic way, so that the workbench is driven to slide vertically, and the height of the platform is adjusted adaptively according to actual construction conditions.
In the motion process of the workbench, the anti-tilting guide wheel assembly moves along the extending direction of the anti-tilting guide rail, so that the motion guide of the workbench is realized, the stability of the workbench is improved, and meanwhile, due to the motion limiting effect of the anti-tilting guide rail on the anti-tilting guide wheel assembly, the tilting of the workbench in the motion process can be effectively prevented, and the safety of the operation is improved.
Drawings
FIG. 1 is a schematic structural view of a protective platform;
Figure 2 is a front view of the shield platform of figure 1;
FIG. 3 is a schematic view of the structure of the connection board in the protection platform shown in FIG. 2;
FIG. 4 is a schematic view of the structure of the connection block of the protection platform shown in FIG. 2;
FIG. 5 is a schematic view of the construction of the work platform in the protection platform shown in FIG. 2;
FIG. 6 is a schematic view of a lifting device in the protection platform shown in FIG. 2;
FIG. 7 is a schematic illustration of the mating of the anti-roll guide rail with the anti-roll guide wheel assembly.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present application and should not be construed as limiting the application.
In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
As described in the background art, the safety belt is fastened by operators in the existing construction, the safety of the operators is guaranteed in a manner that the other end of the safety belt is fastened on the supporting leg of the bridge girder erection machine, but the safety belt is limited by the length of the safety belt in the construction, the positions of the safety fasteners are required to be frequently changed, the operation is inconvenient, and great potential safety hazards exist.
Example 1: therefore, in order to solve the above technical problem, the present invention provides a bridge pier protection platform for a bridge girder erection machine, as shown in fig. 1 and 2, the protection platform includes a connection board 500 and a workbench 200, wherein, the connection board 500 and the workbench are two groups, and the two groups of connection boards and the two groups of workbench are symmetrically arranged, and are enclosed on the side surface of the pier column 100, and the workbench is arranged on the upper bearing platform 501 corresponding to the connection board.
As shown in fig. 3, the connection plate 500 includes a U-shaped collar 502, the U-shaped collar 502 is disposed around the pier stud 100 and is fixed to the pier stud by a connection bolt, and a bearing platform 501 extending outward is provided on one side of the upper surface of the U-shaped collar 502.
As shown in fig. 5, the workbench 200 includes a workbench 201 and a guard rail 202, wherein a U-shaped groove 202 matched with the abutment is provided on one side of the workbench 201, and the guard rail 202 is surrounded on the periphery of the workbench 201.
The utility model discloses pass through connecting bolt fixed mounting with the connecting plate on the pier stud, set up work platform on the weighing platform of connecting plate 500 afterwards to the staff of being convenient for stands and builds on work platform, and the protection rail around can protect staff's construction safety, thereby improves the security of construction.
The protection platform can facilitate construction operation and ensure construction safety of operators.
In addition, the protection platform further comprises a connecting block 600, a positioning groove 503 is arranged on the outer side of the U-shaped surrounding plate 502, positioning holes 504 are formed in the positioning groove 503, the positioning holes are equidistantly arranged along the extending direction of the positioning groove 503, as shown in fig. 4, connecting holes 600A are formed in two ends of the connecting block 600, connecting bolts sequentially penetrate through the connecting holes 600A at one end of the connecting block 600 and the positioning holes 504 at corresponding positions, and the connecting block and the connecting plate 500 are fixedly connected in a screwing mode. The connecting block is matched into the positioning groove, so that the connecting hole 600A at the end part of the connecting block corresponds to the positioning hole 504, and the connecting bolt sequentially penetrates through the positioning hole 504 of the connecting hole 600A and is screwed down and fixed, so that the connecting block and the connecting plate 500 are fixedly connected, the spacing between the two groups of connecting plates can be adjusted through the positioning holes at different positions corresponding to the connecting holes, and the adjustment of adaptability is performed according to the width of the pier column.
In addition, in order to improve the supporting strength to the bearing platform, the protection platform further comprises a supporting reinforcing bracket 400, wherein the supporting reinforcing bracket 400 is obliquely arranged below the bearing platform, one end of the supporting reinforcing bracket is fixed with the lower surface of the bearing platform, and the other end of the supporting reinforcing bracket is fixed with the side face of the pier column. The support reinforcing bracket 400 is obliquely supported on the lower surface of the bearing platform, and a triangular structure is formed among the support reinforcing bracket, the pier stud and the bearing platform, so that the support strength of the bearing platform is improved.
Example 2: because the working platform is relatively fixed, the height of the platform cannot be adjusted according to actual construction conditions.
Therefore, in order to solve the above-mentioned technical drawbacks, the present embodiment proposes an improvement on the basis of embodiment 1, in which, as shown in fig. 2, a lifting device 300 is provided between a load-bearing platform 501 and a work table 200. As shown in fig. 6, the lifting device 300 includes a scissor type lifting frame 302 and a power device 303, and the power device 303 drives the scissor type lifting frame 302 to move in a telescopic manner, so as to lift the whole workbench 200. Specifically, the lifting device 300 further includes a bottom frame 301 and a top frame 304, the bottom frame 301 is mounted at the bottom of the scissor-type expansion frame 302, the lifting device is integrally fixed with the bearing platform through connection between the bottom frame 301 and the bearing platform, the top frame 304 is mounted at the top of the scissor-type expansion frame, and the top frame 304 is fixedly connected with the lower surface of the working platform, so that connection between the lifting device and the working platform is achieved. In this embodiment, the power device 303 drives the scissor-type expansion bracket to perform telescopic motion, so as to drive the vertical sliding of the workbench, and then adaptively adjust the height of the platform according to the actual construction condition.
In addition, in order to realize stable sliding of the workbench and avoid tilting of the workbench, as shown in fig. 5 and 7, in the embodiment, mounting grooves 203 are formed on two sides of the U-shaped groove, and an anti-tilting guide wheel assembly 700 is mounted in the mounting groove 203; an anti-tilting guide rail 800 is installed at a position corresponding to the anti-tilting guide wheel assembly 700 on the side of the pier stud, and the guide wheels of the anti-tilting guide wheel assembly 700 are embedded in the guide grooves of the anti-tilting guide rail. In the motion process of the workbench, the anti-tilting guide wheel assembly moves along the extending direction of the anti-tilting guide rail, so that the motion guide of the workbench is realized, the stability of the workbench is improved, and meanwhile, due to the motion limiting effect of the anti-tilting guide rail on the anti-tilting guide wheel assembly, the tilting of the workbench in the motion process can be effectively prevented, and the safety of the operation is improved.
It should be noted that, besides the above-mentioned scissor lifting structure as a device for driving the working platform to lift, there may be a winch lifting system, a screw rod lifting system or other lifting devices capable of realizing vertical sliding of the working platform.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a bridge pier safety protection construction equipment of bridge crane, which is characterized in that includes
The connecting plates are provided with two groups, each connecting plate comprises a U-shaped coaming, the U-shaped coaming is arranged on the pier stud in a surrounding mode, the U-shaped coaming is fixed with the pier stud through a connecting bolt, and one side of the upper surface of the U-shaped coaming is provided with a bearing platform extending outwards; and
The workbench comprises two groups of workbench, the workbench is arranged on a bearing platform corresponding to the connecting plate, the workbench comprises a workbench and a protective fence, a U-shaped groove matched with one side of the abutment is arranged on one side of the workbench, and the protective fence is arranged on the periphery of the workbench in a surrounding mode.
2. The bridge pier safety protection construction device of the bridge girder erection machine according to claim 1, further comprising a connecting block, wherein the two groups of connecting plates are fixedly connected through the connecting block;
the outer side of the U-shaped coaming is provided with a positioning groove, positioning holes are formed in the positioning groove, and the positioning holes are equidistantly arranged along the extending direction of the positioning groove;
Connecting holes are formed in two ends of the connecting block, the connecting bolts sequentially penetrate through the connecting holes in one end of the connecting block and the positioning holes in the corresponding positions, and the connecting block and the connecting plate are fixedly screwed.
3. The bridge pier safety protection construction device of the bridge girder erection machine according to claim 1, further comprising a supporting reinforcing support, wherein the supporting reinforcing support is integrally and obliquely arranged below the bearing platform, one end of the supporting reinforcing support is fixed with the lower surface of the bearing platform, and the other end of the supporting reinforcing support is fixed with the side face of the pier column.
4. The bridge pier safety protection construction device of the bridge girder erection machine according to claim 1, wherein a lifting device is further arranged between the bearing platform and the workbench.
5. The bridge pier safety protection construction device of the bridge girder erection machine according to claim 4, wherein the lifting device comprises a scissor type lifting frame and a power device, and the power device drives the scissor type lifting frame to stretch and retract so as to realize the integral lifting of the workbench.
6. The bridge pier safety protection construction device of the bridge girder erection machine according to claim 1, wherein mounting grooves are formed on two sides of the U-shaped groove, and an anti-tilting guide wheel assembly is mounted in the mounting grooves;
And the side surface of the pier column is provided with an anti-tilting guide rail corresponding to the position of the anti-tilting guide wheel assembly, and guide wheels in the anti-tilting guide wheel assembly are embedded in guide grooves of the anti-tilting guide rail.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221320689U true CN221320689U (en) | 2024-07-12 |
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| GR01 | Patent grant |