CN219364191U - Device for removing track in tunnel - Google Patents

Abstract

The utility model belongs to the technical field of track removal, and particularly relates to equipment for removing tracks in a tunnel. The technique includes first fixed plate, the top of first fixed plate is provided with the second fixed plate, be provided with lifting unit between second fixed plate and the first fixed plate, the bottom of second fixed plate is provided with the connecting block, and the width direction of connecting block and second fixed plate is horizontal sliding fit, the bottom of connecting block is provided with two and is centre gripping complex grip blocks, the bottom of grip block grip face all is fixed with the dog, be provided with on the grip block with it with the connecting block fixed and make two grip blocks be the fixed subassembly of clamping state, first groove has been seted up on the first fixed plate, first fixed plate length direction's bottom is fixed with a plurality of spinal branch vaulting poles, the removal subassembly that is used for removing is installed to the bottom of bracing piece. This design carries out centre gripping and through the removal subassembly of bracing piece bottom to the track in the shield tunnel through two grip blocks and dog, and the track of being convenient for removes.

Description

Device for removing track in tunnel

Technical Field

The utility model belongs to the technical field of track removal, and particularly relates to equipment for removing tracks in a tunnel.

Background

With rapid development of technology, existing construction of an underground tunnel can use a shield machine to excavate the tunnel, and particularly, the shield machine can be used for some soft soil layers, because the shield machine is tunneled while constructing (laying) a "shield" (refer to a supporting segment) of the tunnel, the completeness is very high, and a track needs to be laid in the tunnel constructed by the shield machine, so that some auxiliary vehicles can perform operations, such as clearing of dregs and trolley walking for providing guarantee for the shield machine, and the track needs to be removed after the construction of the shield machine is completed or the operation of the shield machine is completed.

The existing track is removed because the common track is formed by splicing a plurality of steel rails, after the fixing plates and the fasteners between two adjacent connected tracks are detached, workers manually lift the detached tracks onto a segment car, then transport the detached tracks out of a tunnel through the segment car, the track of the common shield tunneling machine is formed by paving heavy H-shaped steel rails, the single track is 6m long and 0.25t heavy, the safety is lower when the track is manually transported, water flow is often arranged in the tunnel, the air is relatively moist, the track surface is relatively wet, the track is easy to slip when the workers manually transport, safety accidents are caused, and the transport is also very inconvenient; moreover, as the working time is long, the physical consumption is high, the working efficiency of rail transportation is low, and more time is wasted; in addition, when the track of the shield machine trolley is paved, the track needs to be paved in front and disassembled in the rear, and the track disassembled in the rear needs to be moved to the front for paving, so that the track is very inconvenient, and is manually conveyed, and the length of the trolley is 70 meters, so that the conveying is very labor-consuming.

Disclosure of Invention

According to the defects in the prior art, the technical problems to be solved by the utility model are as follows: an apparatus for removing a track within a tunnel is provided that facilitates movement of the track within a shield tunnel.

The utility model provides a device for removing track in tunnel, includes the first fixed plate that the level set up, the top level of first fixed plate is provided with the second fixed plate, be provided with the lifting unit who is used for adjusting second fixed plate horizontal height between second fixed plate and the first fixed plate, the bottom of second fixed plate is provided with a plurality of connecting blocks that are parallel with second fixed plate length direction, and connecting block and second fixed plate's width direction are horizontal sliding fit, the bottom of connecting block is provided with two and is centre gripping complex grip blocks with it, the bottom of grip block surpasss the bottom of connecting block, and the equal level in bottom of grip block grip face is fixed with the dog, be provided with on the grip block with it and the fixed subassembly that makes two grip blocks be the clamping state with the connecting block, first fixed plate is last to be offered and be used for the grip block to pass and the first groove of horizontal migration, a plurality of spinal branch vaulting poles are fixed with to the bottom of first fixed plate length direction, the removal subassembly that is used for removing is installed to the bottom of bracing piece.

Further, fixed subassembly includes the dead lever that a plurality of levels set up, and the first through-hole that is used for the dead lever to pass is all offered on the bottom of connecting block and the grip block, and the both ends of dead lever are passed first through-hole and are all located the outside of grip block, have offered the external screw thread on the dead lever that is located the grip block outside, all are provided with two nuts that are screw-thread fit with the external screw thread on the dead lever, and two grip blocks are located between two nuts.

Further, all be provided with the cushion between connecting block and the grip block, the cushion is fixed with the connecting block, and has offered the second through-hole that is used for the dead lever to pass on the cushion, and the second through-hole on the cushion and the first through-hole on the connecting block are located same horizontal line.

Further, the both sides of connecting block are provided with the first fixed block parallel with the width direction of second fixed plate, and first fixed block is fixed with the bottom of second fixed plate, and the top level of connecting block is fixed with the slider, and the both ends of slider surpass the connecting block and offer on first fixed block and be used for the slider to insert and the horizontally sliding second groove, be provided with on the second fixed plate with slider and the fixed locking component in second groove.

Further, locking assembly includes the bolt, and the screw rod that is used for the bolt is inserted and is followed width direction gliding third groove has been seted up at the top of second fixed plate, and the width of third groove is less than the diameter of bolt nut, and the screw thread groove that is screw thread fit with the bolt has been seted up at the top of slider, and the stiff end of bolt passes third groove and screw thread groove threaded connection.

Further, a fourth groove is formed in the bottom of the second groove, a plurality of fixing shafts are horizontally fixed in the fourth groove, the fixing shafts are parallel to the width direction of the second fixing plate, and a sleeve capable of freely rotating is sleeved on the fixing shafts.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the track in the shield tunnel is clamped through the two clamping plates and the stop block, the clamping plates and the connecting block are fixed through the fixing component, the second fixing plate drives the track to be far away from the ground through the connecting block through the lifting component, and the track clamped in the clamping plates is conveniently moved through the moving component at the bottom of the supporting rod, so that the track is conveniently moved to the front of the trolley or placed on the segment trolley to be removed from the tunnel.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure shown at A in FIG. 1;

FIG. 3 is a schematic left-hand view of the structure of FIG. 1;

FIG. 4 is a schematic top view of the structure of FIG. 1;

the names of the components in the figure are as follows: 1. a first fixing plate; 2. a second fixing plate; 3. a slide block; 4. a second fixed block; 5. a bolt; 6. a first fixed block; 7. a hydraulic cylinder; 8. a connecting block; 9. a support rod; 10. a mounting plate; 11. a directional wheel; 12. a clamping plate; 13. a stop block; 14. a fixed rod; 15. a nut; 16. a cushion block; 17. a fixed shaft; 18. a sleeve.

Detailed Description

The present utility model is further illustrated by the following examples, which are not intended to be limiting, but any modifications, equivalents, improvements, etc. within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.

Example 1

The device for removing a track in a tunnel according to this embodiment, as shown in fig. 1 and 3, includes a first fixing plate 1 horizontally disposed, a second fixing plate 2 is horizontally disposed above the first fixing plate 1, the second fixing plate 2 is parallel to the first fixing plate 1, preferably the second fixing plate 2 is consistent with the first fixing plate 1 in size, a gap is formed between the second fixing plate 2 and the first fixing plate 1, a lifting component for adjusting the horizontal height of the second fixing plate 2 is disposed between the second fixing plate 2 and the first fixing plate 1, the lifting component includes a plurality of hydraulic cylinders 7, preferably 4 hydraulic cylinders 7, two groups of hydraulic cylinders 7 are disposed at the bottoms of two ends of the second fixing plate 2 in the length direction, of course, 6 hydraulic cylinders 7 are also disposed at the middle position of the bottom of the second fixing plate 2 in the length direction, the hydraulic cylinders 7 are also in the middle position of the bottom of the second fixing plate 2, the supporting effect of the second fixing plate 2 is better, the hydraulic cylinders 7 are in the existing known technology, the main structure includes a cylinder cover, a piston, a sealing device, a piston and a buffer device and a piston rod are disposed between the second fixing plate 2 and the first fixing plate 1, and the piston rod 7 are mounted on the bottom of the first fixing plate 2, and the cylinder 7 can be fixed by the top of the cylinder 2;

the bottom of the second fixed plate 2 is provided with a plurality of connecting blocks 8 parallel to the length direction of the second fixed plate 2, the connecting blocks 8 are horizontally matched with the width direction of the second fixed plate 2 in a sliding manner, the bottom of each connecting block 8 is provided with two clamping plates 12 parallel to the connecting blocks and matched with the connecting blocks in a clamping manner, and the connecting blocks 8 are preferably two, so that the two connecting blocks 8 can be positioned at the tops of two ends of a track to be removed, and of course, the number of the connecting blocks 8 can be 3, so that the connecting blocks 8 are positioned above the two ends and the middle of the track to be removed;

the bottom of the clamping plate 12 exceeds the bottom of the connecting block 8, the bottom of the clamping surface of the clamping plate 12 is horizontally fixed with a stop block 13, the clamping surface of the clamping plate 12 is close to one side of the connecting block 8, namely, the position shown in fig. 1, the clamping surface of the left clamping plate 12 is the right side wall of the left clamping plate 12, the clamping surface of the right clamping plate 12 is the left side wall of the right clamping plate 12, the stop block 13 and the clamping plate 12 are of an L-shaped structure integrally, and the tracks in the shield tunnel mainly comprise two upper legs and lower legs which are parallel up and down and vertical webs (waists) connecting the upper legs and the lower legs, so that the two stop blocks 13 clamp the tracks in the shield tunnel, even if the two stop blocks 13 are respectively positioned at the two sides of the track waist (webs) and the bottom of the upper legs, the stop block 13 can block the tracks in the shield tunnel to prevent the tracks from falling;

the clamping plates 12 are provided with fixing components which fix the clamping plates and the connecting blocks 8 and enable the two clamping plates 12 to be in a clamping state, the two clamping plates 12 are fixed with the connecting blocks 8 through the fixing components, so that the two clamping plates 12 are driven to move up and down through the connecting blocks 8, and the two clamping plates 12 are in a clamping state through the fixing components, so that the clamping effect of the clamping plates 12 on a track is improved in order to prevent the two clamping plates 12 from being separated;

the first fixing plate 1 is provided with a first groove for the clamping plates 12 to pass through and horizontally move, the first groove is used for the two clamping plates 12 and the connecting block 8 to move up and down and horizontally move along the width direction of the second fixing plate 2, the hydraulic cylinder 7 is arranged between the first fixing plate 1 and the second fixing plate 2 at the two sides of the first groove, the second fixing plate 2 is moved up and down through the hydraulic cylinder 7, so that the second fixing plate 2 drives the connecting block 8 and the two clamping plates 12 to pass through the first groove to move up and down, and the connecting block 8 and the bottom of the second fixing plate 2 horizontally slide, so that the connecting block 8 and the two clamping plates 12 horizontally slide in the first groove, and the up-down and left-right positions of a track clamped by the two clamping plates 12 are changed;

the bottom of the first fixed plate 1 in the length direction is fixedly provided with a plurality of supporting rods 9, the supporting rods 9 on the same side are connected through connecting rods, the fixing effect between the supporting rods 9 on the same side is improved, the bottom of the supporting rods 9 is provided with a moving assembly for moving, the moving assembly comprises a mounting plate 10, in order to facilitate the installation and increase the fixing effect of the supporting rods 9, the mounting plate 10 on the same side is a whole plate, namely, the mounting plate 10 is provided with two mounting plates which are respectively positioned at the bottoms of the two sides of the first fixed plate 1 in the length direction, the bottom of the mounting plate 10 is provided with a directional wheel 11, the first fixed plate 1 and the second fixed plate 2 are moved by pushing the directional wheel 11, and the directional wheel 11 is adopted because tunnels excavated by the shield are all straight lines, the bending radian of the tunnels are not large, the tunnels are moved forwards and backwards by using the directional wheel 11, and the tunnels are convenient to move forwards and backwards by using universal wheels in the actual use process;

in the actual use process, when the track installed in the shield tunnel is to be removed, the joint of the track is detached in the existing detachment mode, then the first fixing plate 1 is moved to the upper side of the detached track through the orientation wheel 11 at the bottom of the support rod 9, then the second fixing plate 2 is moved downwards through the hydraulic cylinder 7, the connecting block 8 is moved downwards, then the two clamping plates 12 are respectively placed on two sides of the waist of the track, the stop block 13 is attached to two sides of the waist of the track (namely attached to the middle vertical web), the top of the stop block 13 is attached to the bottom of the upper leg of the track, the upper leg of the track is limited through the stop block 13, and the track is prevented from sliding in the moving process; then, two clamping plates 12 are clamped and matched through a fixing assembly, the clamping plates 12 are fixedly connected with a connecting block 8, then, a second fixing plate 2 is moved upwards through a hydraulic cylinder 7, the connecting block 8 drives a track between the two clamping plates 12 to move upwards, the horizontal height of the bottom of the track is higher than that of a transport disassembly track segment car, then, the first fixing plate 1 is moved through a directional wheel 11, the track between the clamping plates 12 is moved to the front of the trolley for re-paving, or the track is moved to the upper side of the segment car, then, the second fixing plate 2 is moved downwards through the hydraulic cylinder 7, the track is contacted with the segment car, then, the two clamping plates 12 and a stop block 13 are separated from the connecting block 8 through the fixing assembly, and the two clamping plates 12 and the stop block 13 drop from two sides of the track, so that the track is carried out, the track carrying work in a shield tunnel is conveniently carried out, the track in the segment car is removed, the manual carrying is not needed, the damage to the manual carrying is effectively reduced, and a certain working efficiency is saved; and be the horizontal slip through connecting block 8 and the bottom of second fixed plate 2, later when placing the track on the section of jurisdiction car, can adjust orbital position to be convenient for pile up the track on the different positions of section of jurisdiction car.

Example 2

The technology is further described in this embodiment, as shown in fig. 1 and fig. 3, the fixing assembly includes a plurality of fixing rods 14 that are horizontally disposed, and two fixing rods 14 are preferable, one fixing rod is located at the top of the clamping plate 12, the other fixing rod is located at the bottom of the clamping plate 12 above the stop block 13, and a thickness greater than the thickness of the upper leg (top) of the rail is required to be left between the fixing rod 14 and the stop block 13, so that the upper leg of the rail is located between the fixing rod 14 and the stop block 13, and the two fixing rods 14 can also make the two clamping plates 12 in a vertically parallel clamping state, so that a greater number of fixing rods 14 can be selected according to practical situations, such as according to the practical weight of the rail;

the bottom of the connecting block 8 and the clamping plates 12 are respectively provided with a first through hole for the fixing rod 14 to pass through, as shown in the position of fig. 1, the bottom of the connecting block 8 and the top and bottom of the clamping plates 12 are respectively provided with a first through hole which is communicated left and right, the positions of the first through holes on the two clamping plates 12 are the same, the two ends of the fixing rod 14 pass through the first through holes and are respectively positioned at the outer sides of the clamping plates 12, the fixing rod 14 positioned at the outer sides of the clamping plates 12 is provided with external threads, the fixing rod 14 is respectively provided with two nuts 15 which are in threaded fit with the external threads, and the two clamping plates 12 are positioned between the two nuts 15;

in the actual use process, two clamping plates 12 are placed on two sides of a track in a shield tunnel, after a stop block 13 is attached to the waist of the track, one fixing rod 14 passes through a first through hole on the bottom of the left clamping plate 12, passes through a first through hole on the bottom of the right clamping plate 12, screws two nuts 15 on the fixing rod 14 towards the clamping plate 12, attaches the nuts 15 to the clamping plate 12, passes through the other fixing rod 14 sequentially through the first through hole on the top of the left clamping plate 12, the first through hole on the bottom of a connecting block 8 and the first through hole on the top of the right clamping plate 12, screws two nuts 15 towards the clamping plate 12 from two ends of the fixing rod 14, so that the track and the two clamping plates 12 are clamped and fixed, and the clamping plate 12 and the connecting block 8 are also fixed;

of course, in the actual use process, the fixing rod 14 may be changed into a bolt, and a nut is disposed on the bolt, so that the two clamping plates 12 are located between the nuts of the bolt and the nut.

Example 3

In this embodiment, as shown in fig. 1, two spacer blocks 16 are disposed between the connecting block 8 and the clamping plate 12, the spacer blocks 16 are fixed with the connecting block 8, the thicknesses of the two spacer blocks 16 and the connecting block 8 are consistent with the widths of the upper legs of the rail, so that when the clamping plate 12 contacts with the spacer blocks 16, the clamping plate 12 contacts with two sides of the upper legs of the rail, the spacer blocks 16 are provided with second through holes for the fixing rods 14 to pass through, the second through holes on the spacer blocks 16 and the first through holes on the connecting block 8 are located on the same horizontal line, the diameters of the second through holes are consistent with those of the first through holes, and the second through holes on the spacer blocks 16 are connected and communicated with the first through holes on the connecting block 8;

in the actual use process, the clamping plates 12 are contacted with the cushion blocks 16, so that the two clamping plates 12 are effectively prevented from horizontally sliding, the track between the clamping plates 12 is kept in a stable state in the moving process, and the shaking of the track is reduced;

of course, in the actual use process, the fixing rod 14 may be a threaded rod, and 4 nuts are disposed on the fixing rod 14, where two nuts are located on two sides of the clamping plate 12, and the other two nuts are located on two sides of the connecting block 8, so that the clamping plate 12 is prevented from sliding horizontally.

Example 4

In this embodiment, as shown in fig. 1 and fig. 3, the two sides of the connecting block 8 are provided with first fixing blocks 6 parallel to the width direction of the second fixing plate 2, as shown in the position in fig. 1, the two first fixing blocks 6 are respectively located at the front and rear sides of the connecting block 8, the first fixing blocks 6 are fixed with the bottom of the second fixing plate 2, the top end of the connecting block 8 is horizontally fixed with a sliding block 3, two ends of the sliding block 3 exceed the connecting block 8, a second groove for inserting and horizontally sliding the sliding block 3 is formed in the first fixing block 6, as shown in the position in fig. 1, the front and rear ends of the sliding block 3 exceed the front and rear sides of the connecting block 8 and slide left and right in the second groove, and a locking assembly for fixing the sliding block 3 with the second groove is arranged on the second fixing plate 2;

in the actual use process, the sliding block 3 is fixed in the second groove through the locking component, so that the sliding block 3 does not slide horizontally, the connecting block 8 is prevented from moving horizontally, then the track is clamped and moved to the top of the segment car through the clamping plate 12, at the moment, if the track is placed on the top of the segment car below and is inconvenient to overlap or the position of the track placed on the top of the segment car needs to be adjusted, the sliding block 3 can be loosened through the locking component, then a worker pushes the connecting block 8 or the track manually, so that the horizontal position of the track is changed, and then the track is placed on the segment car;

of course, in the actual use process, the two first fixing blocks 6 may be a whole plate, and grooves for horizontally moving the sliding block 3 and the connecting block 8 are formed in the whole plate.

Example 5

In this embodiment, as shown in fig. 1, fig. 3 and fig. 4, the locking assembly further includes a bolt 5, a third groove for inserting a screw of the bolt 5 and sliding along a width direction is formed at a top of the second fixing plate 2, a width of the third groove is smaller than a diameter of a nut of the bolt 5, the width of the third groove is between the diameter of the screw of the bolt 5 and the diameter of the nut of the bolt 5, the third groove firstly can enable the screw of the bolt 5 to move horizontally, secondly, the nut of the bolt 5 cannot pass through the third groove, the nut of the bolt 5 is limited, a threaded groove in threaded fit with the bolt 5 is formed at a top of the slider 3, a fixed end of the bolt 5 passes through the third groove and is in threaded connection with the threaded groove, of course, in a practical use process, a second fixing block 4 with a thicker thickness can be fixed at the top of the slider 3, a threaded groove in threaded fit with the bolt 5 is formed at the top of the second fixing block 4, and because the slider 3 is required to be horizontally moved, and a cost can be saved by comparing the thickness of the slider 3 with the second fixing block 4;

in the actual use process, the bottom of the nut of the bolt 5 is contacted with the top of the second fixed plate 2 by screwing the bolt 5 to move downwards, and the fixed end of the bolt 5 is in threaded connection with the thread groove at the top of the second fixed block 4, so that the nut of the bolt 5 is tightly propped against the top of the second fixed plate 2, the sliding block 3 is not horizontally slid, and when the sliding block 3 is required to horizontally slide, the bolt 5 is screwed upwards, a gap is reserved between the nut of the bolt 5 and the second fixed plate 2, and the sliding block 3 can horizontally move.

Example 6

In this embodiment, as shown in fig. 1 and fig. 2, a fourth groove is formed at the bottom of the second groove, a plurality of fixing shafts 17 are horizontally fixed in the fourth groove, and the fixing shafts 17 are parallel to the width direction of the second fixing plate 2, as shown in fig. 1, the front and rear ends of the fixing shafts 17 are fixed with the front and rear inner side walls of the fourth groove, a gap is formed between the fixing shafts 17 and the bottom of the fourth groove, a sleeve 18 capable of freely rotating is sleeved on the fixing shafts 17, the top of the sleeve 18 exceeds the second groove, when in use, the bottom of the sliding block 3 is contacted with the top of the sleeve 18, and friction between the sliding block 3 and the bottom of the second groove can be reduced through rotation of the sleeve 18, so that the sliding block 3 can move horizontally more smoothly;

of course, in the actual use process, the balls can be placed in the fourth groove, so that the sliding block 3 can slide smoothly horizontally;

of course, in practice, the locking assembly can prevent horizontal movement of the slider 3 by inserting a baffle between the sleeves 18 when combined with embodiment 5.

Claims (6)

1. An apparatus for removing tracks in tunnels, comprising a first fixed plate (1) arranged horizontally, characterized in that: the utility model discloses a support rod assembly, including fixed plate (1), fixed plate (2), fixed plate (1), fixed plate (2) and fixed plate (1), the top level of fixed plate (1) is provided with second fixed plate (2), be provided with between fixed plate (2) and first fixed plate (1) and be used for adjusting second fixed plate (2) horizontal height's lifting means, the bottom of fixed plate (2) is provided with a plurality of connecting blocks (8) parallel with fixed plate (2) length direction, and connecting block (8) and second fixed plate (2)'s width direction are horizontal sliding fit, the bottom of connecting block (8) is provided with two and is parallel and be centre gripping complex grip block (12), the bottom of grip block (12) exceeds the bottom of connecting block (8), and the bottom of grip block (12) holding surface is all horizontal fixed with dog (13), be provided with on grip block (12) with it and be the fixed subassembly of clip state with two grip block (12), set up on fixed plate (1) and be used for grip block (12) pass and horizontal movement's first groove, the bottom of fixed plate (1) length direction is fixed with support rod assembly's bottom (9) for removing a plurality of support rods (9).

2. The apparatus for removing tracks in a tunnel of claim 1, wherein: the fixing assembly comprises a plurality of fixing rods (14) which are horizontally arranged, first through holes which are used for the fixing rods (14) to pass through are formed in the bottoms of the connecting blocks (8) and the clamping plates (12), the two ends of each fixing rod (14) pass through the first through holes and are located in the outer sides of the clamping plates (12), external threads are formed in the fixing rods (14) located in the outer sides of the clamping plates (12), two nuts (15) which are in threaded fit with the external threads are arranged on the fixing rods (14), and the two clamping plates (12) are located between the two nuts (15).

3. The apparatus for removing tracks in a tunnel of claim 2, wherein: cushion blocks (16) are arranged between the connecting blocks (8) and the clamping plates (12), the cushion blocks (16) are fixed with the connecting blocks (8), second through holes for the fixing rods (14) to penetrate through are formed in the cushion blocks (16), and the second through holes in the cushion blocks (16) and the first through holes in the connecting blocks (8) are located on the same horizontal line.

4. The apparatus for removing tracks in a tunnel of claim 1, wherein: the two sides of the connecting block (8) are provided with first fixing blocks (6) parallel to the width direction of the second fixing plate (2), the first fixing blocks (6) are fixed with the bottom of the second fixing plate (2), the top end of the connecting block (8) is horizontally fixed with a sliding block (3), the two ends of the sliding block (3) exceed the connecting blocks (8), a second groove for the sliding block (3) to insert and horizontally slide is formed in the first fixed block (6), and a locking assembly for fixing the sliding block (3) and the second groove is arranged on the second fixed plate (2).

5. The apparatus for removing tracks in a tunnel of claim 4, wherein: the locking assembly comprises a bolt (5), a third groove which is used for inserting a screw rod of the bolt (5) and slides along the width direction is formed in the top of the second fixing plate (2), the width of the third groove is smaller than the diameter of a nut of the bolt (5), a thread groove which is in threaded fit with the bolt (5) is formed in the top of the sliding block (3), and the fixed end of the bolt (5) penetrates through the third groove and is in threaded connection with the thread groove.

6. The apparatus for removing tracks in a tunnel according to claim 4 or 5, wherein: a fourth groove is formed in the bottom of the second groove, a plurality of fixed shafts (17) are horizontally fixed in the fourth groove, the fixed shafts (17) are parallel to the width direction of the second fixed plate (2), and a sleeve (18) capable of freely rotating is sleeved on the fixed shafts (17).