CN215672232U

CN215672232U - Mobile platform suitable for maintenance in annular rail tunnel

Info

Publication number: CN215672232U
Application number: CN202121736036.8U
Authority: CN
Inventors: 彭柏荣; 常彦博; 何玉先; 孔祥莉; 周智海; 李选; 王坤
Original assignee: Sinohydro Bureau 8 Co Ltd
Current assignee: Sinohydro Bureau 8 Co Ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-01-28
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses a movable platform suitable for overhauling an annular rail tunnel, which comprises a rail arranged at the bottom of the tunnel, a movable underframe arranged on the rail in a sliding manner and a construction frame arranged on the movable underframe, wherein telescopic support rods are arranged on two sides of the movable underframe and the construction frame, the overhanging ends of the telescopic support rods are provided with contact wheels used for abutting against the inner side wall of the tunnel, and the top of the construction frame is provided with a bearing table board. The mobile platform suitable for maintenance in the annular rail tunnel is convenient to construct, convenient to maintain, good in stability and capable of reducing construction cost.

Description

Mobile platform suitable for maintenance in annular rail tunnel

Technical Field

The utility model relates to a scaffold (building) mainly supported on the ground, in particular to a mobile platform suitable for overhauling in an annular rail tunnel.

Background

A tunnel is a building constructed underground or underwater or in a mountain, with railways or roads for motor vehicles to pass through. The tunnel can be divided into three categories of mountain tunnels, underwater tunnels and urban tunnels according to the positions of the tunnels. A tunnel traversing from a mountain or under a hill to shorten the distance and avoid a large slope is called a mountain tunnel; underwater tunnels passing under a river or sea floor to cross a river or channel; urban tunnels are used to cross underground cities to meet the needs of railways to pass through large cities. As an important construction process, tunnels become an indispensable part of engineering construction. With the social development, the tunnel gradually transits from the traditional scale to the large tunnel. Large-scale annular tunnel need set up the scaffold frame and maintain in the work progress, and some scaffold frames of current large-scale annular tunnel adopt and build temporarily, directly build the scaffold frame in the bottom in tunnel, and where needs to maintain, just build there, need consume a large amount of manpowers, material resources and financial resources, cause the maintenance untimely, the maintenance difficulty.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of overcoming the defects of the prior art and provides the mobile platform which is convenient to construct, convenient to maintain, good in stability and capable of reducing the construction cost and is suitable for overhauling in the annular rail tunnel.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a moving platform suitable for overhaul in annular has rail tunnel, including the track of locating the tunnel bottom, slide locate the removal chassis on the track and locate the scaffold on the removal chassis, the both sides of removing chassis and scaffold all are equipped with flexible vaulting pole, the end of hanging out of flexible vaulting pole is equipped with the conflict wheel that is used for contradicting with the tunnel inside wall, the top of scaffold is equipped with bears the weight of the mesa.

As a further improvement of the above technical solution:

the four corners department of scaffold bottom all is equipped with participates in, all be equipped with the jack on removing the chassis and participating in the position that corresponds with each, participate in inserting and locate in the jack.

The movable underframe is provided with pin fixing sleeves at the positions of the jacks, and the pins penetrate through the pin fixing sleeves.

The foot fixing sleeve is provided with a locking piece for locking the foot.

The locking piece is a locking bolt.

The both ends of bearing the weight of the mesa all are equipped with two at least arc spacing clamps, the spacing card of arc is located on the scaffold.

A ladder stand is arranged on the side of the scaffold.

The bottom of the movable underframe is provided with movable wheels which are supported on the track.

The rail is I-shaped, the two sides of the movable chassis, on which the anti-dropping wheels are arranged, are respectively provided with a side groove, and the anti-dropping wheels are propped against the side grooves of the rail.

The two tracks are arranged in parallel along the depth direction of the tunnel, two rows of moving wheels are arranged on two sides of the bottom of the moving underframe, and the two rows of moving wheels are respectively supported on the two tracks.

Compared with the prior art, the utility model has the advantages that:

the utility model relates to a mobile platform suitable for overhauling an annular track tunnel. The movable underframe can slide along the track, the construction frame can move along with the movable underframe along the extension direction of the tunnel to adjust the construction position, multiple construction can be realized through one movable platform, the construction cost is saved, the movable platform can adjust the construction position in time, and the position needs to be moved, so that the convenience and timeliness of tunnel maintenance are improved; the both sides of removing chassis and scaffold all are equipped with flexible vaulting pole, and flexible vaulting pole has flexible function, and during the construction, flexible vaulting pole extension makes the conflict wheel contradict with the tunnel inside wall, prevents that moving platform from turning on one's side, has improved stability. The mobile platform suitable for maintenance in the annular rail tunnel is convenient to construct, convenient to maintain, good in stability and capable of reducing construction cost.

Drawings

Fig. 1 is a schematic perspective view of a mobile platform suitable for maintenance in a circular rail tunnel according to the present invention.

Fig. 2 is a connection diagram of a scaffold and a mobile underframe of a mobile platform suitable for maintenance in a circular rail tunnel according to the utility model.

Fig. 3 is a schematic structural diagram of a bearing table top of a mobile platform suitable for overhauling in a circular rail tunnel.

Fig. 4 is an enlarged view at a in fig. 1.

The reference numerals in the figures denote:

1. a tunnel; 2. a track; 21. a side groove; 3. moving the chassis; 31. a moving wheel; 32. an anti-drop wheel; 4. a scaffold; 41. a bearing table surface; 42. an arc-shaped limiting clamp; 43. climbing a ladder; 5. a telescopic stay bar; 6. a contact wheel; 7. a pin; 8. a jack; 9. a foot fixing sleeve; 91. and a locking member.

Detailed Description

The utility model will be described in further detail below with reference to the drawings and specific examples.

Fig. 1 to 4 show an embodiment of the mobile platform suitable for maintenance in an annular rail tunnel according to the present invention, the mobile platform suitable for maintenance in an annular rail tunnel comprises a track 2 arranged at the bottom of the tunnel 1, a mobile underframe 3 slidably arranged on the track 2, and a scaffold 4 arranged on the mobile underframe 3, both sides of the mobile underframe 3 and the scaffold 4 are provided with telescopic support rods 5, an overhanging end of each telescopic support rod 5 is provided with a contact wheel 6 for contacting with an inner side wall of the tunnel 1, and the top of the scaffold 4 is provided with a bearing table 41.

The track 2 is arranged along the extension of the tunnel 1. The movable underframe 3 can slide along the track 2, the construction frame 4 can move along with the movable underframe 3 along the extension direction of the tunnel 1 to adjust the construction position, multiple construction can be realized through one movable platform, the construction cost is saved, the movable platform can adjust the construction position in time, and the convenience and timeliness of maintenance of the tunnel 1 are improved; the both sides of removing chassis 3 and scaffold 4 all are equipped with flexible vaulting pole 5, and flexible vaulting pole 5 has flexible function, and during the construction, flexible vaulting pole 5 extension makes conflict wheel 6 contradict with 1 inside wall in tunnel, prevents that moving platform from turning on one's side, has improved stability. The mobile platform suitable for maintenance in the annular rail tunnel is convenient to construct, convenient to maintain, good in stability and capable of reducing construction cost.

In this embodiment, as shown in fig. 1 and 2, the four corners of the bottom of the scaffold 4 are provided with pins 7, the positions of the movable bottom frame 3 corresponding to the pins 7 are provided with insertion holes 8, and the pins 7 are inserted into the insertion holes 8. Scaffold 4 is connected with the jack 8 that removes chassis 3 top through participating in 7 of bottom, and jack 8 has circumference limiting displacement to participating in 7, prevents that scaffold 4 from rocking to, through participating in 7 and 8 connected mode of jack, be convenient for scaffold 4 and the constitution and the separation of removing chassis 3. Of course, in other embodiments, the scaffold 4 may be welded to the moving chassis 3.

In this embodiment, as shown in fig. 2, the movable chassis 3 is provided with a pin fixing sleeve 9 at each jack 8, and the pins 7 are inserted into the pin fixing sleeve 9. The pin fixing sleeve 9 can lengthen the limiting length of the jack 8, and further improves the circumferential limiting effect on the pin 7.

In this embodiment, as shown in fig. 2, the leg fixing sleeve 9 is provided with a locking member 91 for locking the insertion leg 7. Through retaining member 91 locking participate in 7, improve the steadiness that scaffold 4 and removal chassis 3 are connected, be convenient for both to separate simultaneously. The locking member 91 is preferably a locking bolt.

In this embodiment, as shown in fig. 3, at least two arc-shaped limiting clips 42 are respectively disposed at two ends of the bearing table 41, and the arc-shaped limiting clips 42 are clipped on the scaffold 4. The bearing table surface 41 is clamped on the scaffold 4 through the arc-shaped limiting clamp 42, so that the mounting and dismounting are convenient.

In this embodiment, as shown in fig. 1, a ladder 43 is provided at a side of the scaffold 4, so that the constructor can conveniently lift the platform 41.

In the present embodiment, as shown in fig. 1 and 4, the moving chassis 3 is provided at the bottom thereof with moving wheels 31, and the moving wheels 31 are supported on the rails 2. The moving chassis 3 is supported on the rails 2 by the moving wheels 31, and moves more smoothly.

In this embodiment, as shown in fig. 4, the rail 2 is i-shaped, the anti-slip wheels 32 are disposed on both sides of the moving wheel 31 of the moving chassis 3, and the anti-slip wheels 32 are abutted against the side grooves 21 of the rail 2. Specifically, the moving wheel 31 abuts against the top surface of the rail 2, and the anti-falling wheels 32 on both sides of the moving wheel 31 respectively abut against the side grooves 21 on both sides of the rail 2, so as to prevent the moving wheel 31 from falling off the rail 2.

In this embodiment, two tracks 2 are provided, the two tracks 2 are arranged in parallel along the depth direction of the tunnel 1, two rows of moving wheels 31 are respectively provided on two sides of the bottom of the moving chassis 3, and the two rows of moving wheels 31 are respectively supported on the two tracks 2. Each row of movable wheels 31 comprises two movable wheels 31 which are respectively arranged at the front end and the rear end of the movable chassis 3, and the movable chassis 3 slides more stably and has stronger supporting capacity under the supporting action of the two rows of movable wheels 31.

Remove chassis 3 and include the horizontal pole that two horizontal intervals set up, connect into an organic whole through the connecting rod between two horizontal poles, the both ends bottom of horizontal pole all is equipped with the stand, removes the bottom that the stand was located to wheel 31, removes the tip that the horizontal pole was located to flexible vaulting pole 5 on the chassis 3. The length of the upright post is 0.5m, the outer diameter is 50mm, the wall thickness is 3mm, the total number of the upright posts is 4, and the upright post is made of Q235 steel. The moving wheels 31 have an outer diameter of 10cm, and are four in total and can roll along the rails 2. The anti-drop wheels 32 have the same structure as the moving wheels 31, and are provided with eight wheels, one wheel being provided on each side of each moving wheel 31. Connect through the dead lever between the front and back stand, dead lever length 1m, external diameter 50mm, wall thickness 3mm, two in total, the material is Q235 steel, dead lever and stand welded fastening. The cross bar is 3.435m in length, 50mm in outer diameter and 3mm in wall thickness, and the total number of the cross bars is two, and the cross bars are made of Q235 steel. The upright post and the cross rod are welded and fixed, and the welding spot is 1m away from the end part of the cross rod. The maximum extension length of the telescopic stay bar 5 is 2m, 1m before the telescopic stay bar is extended, the outer diameter is 50mm,the wall thickness is 3mm, and the total of four is Q235 steel. The contact wheel 6 has an outer diameter of 10 cm. The cross rods and the connecting rods are welded and fixed, the length of each connecting rod is 1m, the outer diameter of each connecting rod is 50mm, the wall thickness of each connecting rod is 3mm, the total number of the connecting rods is two, and the connecting rods are made of Q235 steel. The jack 8 is arranged at the position 0.5m away from the end part of the cross rod. Ladder 43 adopts

The hollow steel tube is welded, and the height of the ladder stand layer is 0.3 m. The scaffold 4 is a portal frame, the length of the bearing table 41 is 2.435m, the width of the bearing table is 0.5m, and the bearing table 41 is buckled on a horizontal rod at the top of the scaffold 4. The length of the horizontal rod at the top of the scaffold 4 is 1.0m, the outer diameter is 50mm, the wall thickness is 3mm, and the total number is two. The inner diameter of the tunnel 1 is 6.4m, and the track gauge is 1.435 m. The scaffold 4 can be heightened layer by layer, the total is three layers, in order to ensure safety, a protective railing is additionally arranged on the top layer, and the height of the protective railing is 1 m. An operator can stand on the bearing platform 41 for maintenance of the sides and top of the tunnel 1.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the utility model, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.

Claims

1. The utility model provides a moving platform suitable for overhaul in annular has rail tunnel which characterized in that: including track (2), the smooth scaffold (4) of locating on track (2) of locating tunnel (1) bottom, locating removal chassis (3) on track (2) and locating removal chassis (3), the both sides of removing chassis (3) and scaffold (4) all are equipped with flexible vaulting pole (5), the end of hanging out of flexible vaulting pole (5) is equipped with and is used for supporting with tunnel (1) inside wall conflict and touches wheel (6), the top of scaffold (4) is equipped with bears mesa (41).

2. The mobile platform suitable for servicing in an endless track tunnel according to claim 1, wherein: four corners department of scaffold (4) bottom all is equipped with participates in (7), all be equipped with jack (8) on removing chassis (3) and each position of participating in (7) and corresponding, participate in (7) and insert and locate in jack (8).

3. The mobile platform suitable for servicing in an endless track tunnel according to claim 2, wherein: the movable underframe (3) is provided with foot fixing sleeves (9) at the jacks (8), and the pins (7) penetrate through the foot fixing sleeves (9).

4. The mobile platform suitable for servicing in an endless track tunnel according to claim 3, wherein: the foot fixing sleeve (9) is provided with a locking piece (91) used for locking the plug foot (7).

5. The mobile platform suitable for servicing in an endless track tunnel according to claim 4, wherein: the locking piece (91) is a locking bolt.

6. The mobile platform suitable for servicing in an endless track tunnel according to any one of claims 1 to 5, wherein: the both ends of bearing mesa (41) all are equipped with two at least arc spacing cards (42), arc spacing card (42) card is located on scaffold (4).

7. The mobile platform suitable for servicing in an endless track tunnel according to any one of claims 1 to 5, wherein: a ladder (43) is arranged on the side of the scaffold (4).

8. The mobile platform suitable for servicing in an endless track tunnel according to any one of claims 1 to 5, wherein: the bottom of the movable underframe (3) is provided with a movable wheel (31), and the movable wheel (31) is supported on the track (2).

9. The mobile platform adapted for servicing in an endless track tunnel according to claim 8, wherein: the rail (2) is I-shaped, the two sides of the movable chassis (3) on the movable wheels (31) are respectively provided with anti-falling wheels (32), and the anti-falling wheels (32) are abutted to the side grooves (21) of the rail (2).

10. The mobile platform adapted for servicing in an endless track tunnel according to claim 9, wherein: the two tracks (2) are arranged in parallel along the depth direction of the tunnel (1), the two sides of the bottom of the movable underframe (3) are respectively provided with a row of movable wheels (31), and the two rows of movable wheels (31) are respectively supported on the two tracks (2).