CN212406549U - Movable ladder stand in tunnel - Google Patents
Movable ladder stand in tunnel Download PDFInfo
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- CN212406549U CN212406549U CN202020731938.1U CN202020731938U CN212406549U CN 212406549 U CN212406549 U CN 212406549U CN 202020731938 U CN202020731938 U CN 202020731938U CN 212406549 U CN212406549 U CN 212406549U
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- tunnel
- ladder
- bearing platform
- climbing frame
- connecting piece
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Abstract
The utility model discloses a movable crawling ladder in a tunnel, which comprises two crawling ladder bodies, wherein each crawling ladder body comprises a climbing frame and a bearing platform arranged at the upper end of the climbing frame, a bottom support is formed at the lower end of the climbing frame, and the bottom end of the bottom support is supported on the ground of the tunnel close to one side of a tunnel segment when the bearing platform is supported on the tunnel segment; a plurality of groups of moving assemblies for the two climbing frames to move on the track in the tunnel; the connecting piece, can dismantle connect in two between the cat ladder body. The utility model discloses make its middle part that can be located the tunnel on the track in the tunnel remove to avoid the both sides barrier to block its removal and hinder the construction progress, reducible time because the electric locomotive is current and the repeated installation cat ladder structure of dismantling simultaneously, and easy operation, convenient and fast.
Description
Technical Field
The utility model relates to a tunnel construction technical field especially relates to a movable cat ladder in tunnel.
Background
Along with the rapid development of the building industry, the construction process of the rail transit industry in China is mature day by day, after a shield tunnel is formed, the tunnel is prone to having a lot of structural defects, and after a tunnel is communicated, facilities such as a cable bridge frame need to be installed in the tunnel, at the moment, a ladder stand needs to be used, so that people can conveniently conduct the defect treatment and equipment installation work, and for the long-distance operation of the tunnel, the carrying of the ladder stand can consume manpower and time, and the construction progress is influenced.
The detachable pulley is generally increased on the cat ladder in the prior art, utilize current track and tunnel wall in the tunnel as supporting, with the cat ladder propelling movement to the position that needs the construction, but during interval tunnel construction, both ends lateral wall has obstacles such as guidance tape support and electromechanical device, the cat ladder leans on the walking of tunnel lateral wall to meet the hindrance this moment, and when the electric locomotive passes through, still need demolish the cat ladder, just enable the electric locomotive and pass through, seriously influenced the efficiency of construction.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a movable cat ladder in tunnel improves whole efficiency of construction.
In order to achieve the above object, the utility model adopts the following technical scheme: an in-tunnel movable ladder comprising:
the crawling ladder comprises two crawling ladder bodies, wherein each crawling ladder body comprises a climbing frame and a bearing platform arranged at the upper end of the climbing frame, a bottom support is formed at the lower end of each climbing frame, and the bottom end of each bottom support is supported on the tunnel ground close to one side of a tunnel segment when the bearing platform supports the tunnel segment;
the two climbing frames move on the track in the tunnel through a plurality of groups of moving assemblies, each moving assembly comprises a pulley bracket and a pulley arranged on the pulley bracket, and the pulley brackets are rotatably arranged at the upper ends of the bottom brackets;
the connecting piece can be dismantled and connect in two between the cat ladder body, the pulley is two the cat ladder body passes through on two tracks in the tunnel are slided and are located when the connecting piece is connected, load-bearing platform is two the cat ladder body passes through break away from when the connecting piece is connected the tunnel section of jurisdiction.
Optionally, a guardrail is fixedly arranged on the bearing platform, and a ladder handrail is fixedly arranged between the climbing frame and the guardrail.
Optionally, a plurality of support rods are fixedly arranged between the climbing frame and the bearing platform.
Optionally, the moving assemblies are respectively installed on two sides of the two climbing frames.
Optionally, the pulley bracket is connected with the bottom bracket by a bolt.
Optionally, the two ladder stand bodies are respectively provided with a connecting piece, the connecting piece comprises a connecting piece fixed on the handrail of the ladder stand, the connecting piece is provided with a plurality of through holes, and the through holes of the two connecting pieces are connected through a fastening piece.
Optionally, the bearing platform is detachably connected with the tunnel segment through bolts.
The utility model discloses owing to adopt above-mentioned technical scheme, make it have following beneficial effect: form mobilizable dolly through two pairs of cat ladders and removal subassembly interconnect equipment, make its middle part that can be located the tunnel on the track in the tunnel move, in order to avoid both sides barrier to block its removal and delay the construction progress, during construction operation or when having the electric locomotive to pass on the track, can carry out the split with two pairs of cat ladders, support it to leaning on with the tunnel section of jurisdiction, thereby reducible because the electric locomotive is current and the time of repeated dismantlement installation cat ladder structure, and easy operation, convenient and fast.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in 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 invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 shows an exemplary overall structure schematic diagram of a movable ladder stand in a tunnel according to an embodiment of the present invention.
Fig. 2 shows the structural schematic diagram of the use state after the split of the movable ladder stand in the tunnel according to the embodiment of the present invention.
Fig. 3 shows the front structure diagram of the ladder body in the embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-3, the utility model discloses movable cat ladder in tunnel of embodiment includes:
two cat ladder bodies 1, cat ladder body 1 is including climbing frame 101 and installing in the load-bearing platform 102 who climbs the frame 101 upper end, and the lower extreme of climbing frame 101 is formed with bottom support, and bottom support's bottom supports when load-bearing platform 102 supports to support on tunnel segment 200 supports and supports in the tunnel subaerial that closes on tunnel segment 200 one side.
And a plurality of sets of moving assemblies, wherein each moving assembly comprises a pulley bracket 301 and a pulley 302 rotatably arranged on the pulley bracket 301, and the pulley bracket 301 is rotatably arranged at the upper end of the bottom bracket.
The connecting piece 5 can be dismantled and connect between two cat ladder bodies 1, and pulley 302 is on two tracks 201 in the tunnel when two cat ladders originally pass through connecting piece 5 and connect, and load-bearing platform 102 breaks away from tunnel section of jurisdiction 200 when two cat ladder bodies 1 pass through connecting piece 5 and connect.
Constitute the dolly that can move on track 201 in the tunnel by two cat ladder bodies 1, make things convenient for cat ladder body 1's removal, after removing the connection between two cat ladder bodies 1, alright make cat ladder body 1 lean on and construct at tunnel section of jurisdiction 200, the position of the subassembly that moves on the adjustable cat ladder body 1 simultaneously or dismantle it, alright avoid influencing the operation of interior electric locomotive of tunnel, need not to carry or demolish convenient to use to the overall device.
Preferably, in order to increase the safety performance of the ladder body 1, a guardrail 104 is fixedly arranged on the bearing platform 102, and a ladder handrail 105 is fixedly arranged between the climbing frame 101 and the guardrail 104. In order to increase the stability between the supporting platform 102 and the climbing frame 101, a plurality of supporting rods 103 can be fixedly arranged between the climbing frame 101 and the supporting platform 102, so that the structural rigidity is increased, and the use safety is further increased.
Wherein, the both sides of climbing frame 101 are equipped with the removal subassembly respectively, and when two cat ladder bodies 1 interconnect, two cat ladder bodies 1 form mobilizable dolly, and the stability that cat ladder body 1 removed is guaranteed to the many sets of removal subassemblies of bottom this moment, and wherein pulley 302 is for the rail wheel that matches track 201, makes its slip more stable.
In this embodiment, the pulley support 301 is rotatably disposed on the climbing frame 101, the bottom support is formed by downward extending of the lower end of the climbing frame 101 where the pulley support 301 is mounted, when the climbing frame 101 needs to be moved to a construction position, the climbing frame body 1 is turned over to enable the moving assembly to rotate along with the moving assembly and fall onto the track 201, so that the moving assembly moves to be located on the track 201 in the tunnel as a stress point, the bottom support of the climbing frame 101 is separated from the ground at the moment, the bearing platform 102 is far away from the tunnel segment 200, and meanwhile, the two climbing frame 101 bodies are fixedly connected with each other through the connecting piece 5, so that the trolley moves on the track 201 in the tunnel to be prevented from being influenced by obstacles on the inner wall of the tunnel; when removing the construction position, remove the connection with two cat ladder bodies 1 to lean on it to the tunnel section of jurisdiction 200 that closes on to the direction upset slope that deviates from, the bottom support that the bottom of climbing frame 101 formed at this moment supports as the ground contact in atress point and the tunnel, rotates pulley support 301 or dismantles it, makes pulley support 301 keep away from track 201, avoids influencing the electric locomotive of operation on track 201. Based on the above-mentioned embodiment, the climbing frame 101 is fixedly provided with the fixing rod 303, the fixing rod 303 is connected with the pulley bracket 301 through the bolt 304, the pulley bracket 301 can rotate on the climbing frame 101 by loosening the bolt 304, and the pulley bracket 301 can be integrally removed when the bolt 304 is also removed. When the ladder stand body 1 is turned over to enable the moving assembly to fall on the track 201, the bolt 304 is loosened to enable the pulley support 301 to rotate along with the moving assembly, the bolt 304 can also be used for adjusting the angle of the pulley support 301 relative to the ladder stand 101 and locking the pulley support, and then the ladder stand body 1 is turned over.
In this embodiment, the connecting members 5 are respectively arranged on the two ladder stand bodies 1, each connecting member 5 comprises a connecting piece 501 fixed on the ladder stand handrail 105, a plurality of through holes 502 are formed in each connecting piece 501, the through holes 502 of the two connecting pieces 501 are connected through a fastening member, the fastening members can be bolt sets, ropes and the like, and the connecting pieces 501 are provided with a plurality of through holes 502, so that the device can be adjusted and used according to the distance between the two tracks 201 on the actual construction site.
In this embodiment, when cat ladder body 1 moves to the right place and needs to carry out the operation, load-bearing platform 102 passes through bolt 4 fixed connection on tunnel segment 200 to guarantee cat ladder body 1's stability when using, guarantee construction safety.
When the movable ladder stand is used in construction, the two ladder stand bodies 1 lean against the inner walls of the two sides of the tunnel segment 200, so that the bottom support formed on the climbing frame 101 is supported on the ground of the tunnel close to one side of the tunnel segment 200, and when the movable ladder stand needs to be moved, the moving method comprises the following steps:
step S1, the two ladder stand bodies 1 are turned over in the opposite direction until the pulleys 302 on the two ladder stand bodies 1 are respectively contacted with the corresponding tracks 201, the bottom support is separated from the tunnel ground, and the bearing platform 102 is separated from the tunnel segment 200.
And step S2, continuously overturning the ladder stand body 1 to enable the two ladder stand bodies 1 to approach each other and connecting the two ladder stand bodies 1 by adopting the connecting piece 5.
In step S3, the ladder main body 1 is pushed to move the pulley 302 on the rail 201.
When removing to required position, remove the connection of connecting piece between two cat ladder bodies 1, overturn two cat ladder bodies 1 to the direction that deviates from mutually again and make cat ladder body 1 lean on tunnel section of jurisdiction 200, alright be under construction, can adopt bolt 4 to fix load-bearing platform 102 on tunnel section of jurisdiction 200 simultaneously, the angular position of the subassembly that moves on the adjustable cat ladder body 1 simultaneously or dismantle it, alright avoid influencing the operation of electric locomotive in the tunnel, need not to carry or demolish the integrated device, high durability and convenient use.
In this embodiment the pulley bracket 301 is bolted to the ladder body 1, and loosening the bolts causes the pulley bracket 301 to be rotatably coupled to the base bracket, and tightening the bolts causes the pulley bracket 301 to be secured to the base bracket when the ladder bodies 1 are interconnected.
It should be noted that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person can make modifications or changes equivalent to the equivalent embodiment without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.
Claims (7)
1. The utility model provides a movable cat ladder in tunnel which characterized in that includes:
the crawling ladder comprises two crawling ladder bodies, wherein each crawling ladder body comprises a climbing frame and a bearing platform arranged at the upper end of the climbing frame, a bottom support is formed at the lower end of each climbing frame, and the bottom end of each bottom support is supported on the tunnel ground close to one side of a tunnel segment when the bearing platform supports the tunnel segment;
the two climbing frames move on the track in the tunnel through a plurality of groups of moving assemblies, each moving assembly comprises a pulley bracket and a pulley arranged on the pulley bracket, and the pulley brackets are rotatably arranged at the upper ends of the bottom brackets;
the connecting piece can be dismantled and connect in two between the cat ladder body, the pulley is two the cat ladder body passes through on two tracks in the tunnel are slided and are located when the connecting piece is connected, load-bearing platform is two the cat ladder body passes through break away from when the connecting piece is connected the tunnel section of jurisdiction.
2. The movable ladder in a tunnel of claim 1, wherein: the bearing platform is fixedly provided with a guardrail, and a ladder handrail is fixedly arranged between the climbing frame and the guardrail.
3. The movable ladder in a tunnel of claim 1, wherein: a plurality of supporting rods are fixedly arranged between the climbing frame and the bearing platform.
4. The movable ladder in a tunnel of claim 1, wherein: and the two sides of the two climbing frames are respectively provided with the moving assembly.
5. The movable ladder in a tunnel of claim 4, wherein: the pulley bracket is connected with the bottom bracket through a bolt.
6. The movable ladder in a tunnel of claim 2, wherein: the ladder stand comprises a ladder stand body and is characterized in that connecting pieces are arranged on the ladder stand body respectively, each connecting piece comprises a connecting piece fixed on a handrail of the ladder stand, a plurality of through holes are formed in each connecting piece, and the through holes of the two connecting pieces are connected through fasteners.
7. The movable ladder in a tunnel of claim 1, wherein: the bearing platform is detachably connected with the tunnel segment through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020731938.1U CN212406549U (en) | 2020-05-07 | 2020-05-07 | Movable ladder stand in tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020731938.1U CN212406549U (en) | 2020-05-07 | 2020-05-07 | Movable ladder stand in tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212406549U true CN212406549U (en) | 2021-01-26 |
Family
ID=74377230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020731938.1U Active CN212406549U (en) | 2020-05-07 | 2020-05-07 | Movable ladder stand in tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212406549U (en) |
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2020
- 2020-05-07 CN CN202020731938.1U patent/CN212406549U/en active Active
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