CN219622731U - Assembled rapid supporting structure for tunnel rescue - Google Patents

Abstract

The utility model discloses an assembled rapid supporting structure for tunnel rescue, which comprises a supporting structure frame formed by welding steel plates, rectangular steel columns and I-steel arches, wherein four groups of supporting plates are fastened inside the supporting structure frame, supporting columns are connected inside the supporting plates in a sliding manner, and pulleys are arranged at the bottom ends of the supporting columns. This an assembled quick supporting construction for tunnel is speedily carried out rescue work can make the device remove any position in the tunnel fast through setting up the pulley, for the dangerous tunnel section of appearing original supporting construction destruction, country rock extrusion deformation, vault falls down the piece and plays temporary support effect, and simultaneously through the cooperation between fixture block and the support column, and then make the pulley can be convenient install or dismantle from this equipment, made things convenient for the assembly to the device, can place more firmly in tunnel bottom plate work after the device dismantles the pulley, and make the device part can repetitious usage, manufacturing cost has been reduced.

Description

Assembled rapid supporting structure for tunnel rescue

Technical Field

The utility model relates to the technical field of tunnels, in particular to an assembled rapid supporting structure for tunnel rescue.

Background

The supporting structure is a structure built by using building materials such as reinforced steel bars, concrete and the like along the periphery of a tunnel body in order to prevent surrounding rocks from deforming or collapsing during tunnel construction or operation. Usually, after a tunnel is excavated, an outer flexible support (generally, a shotcrete support) closely attached to the surrounding rock is firstly applied in time, which is also called an initial support, so as to allow the surrounding rock to deform to a certain extent without excessively deforming the surrounding rock to cause loosening pressure. After the deformation of the surrounding rock is basically stable, an inner lining (generally a mould) is applied, which is also called secondary lining or secondary support.

However, when the tunnel is excavated and collapses or the dangerous situation is caused by load actions such as earthquake, fracture zone deformation or train collision in the operation process, the original supporting structure of the tunnel is deformed, so that the unstable supporting structure brings great hidden danger to the emergency of the tunnel, secondary disasters are likely to happen at any time, the original supporting structure of the tunnel is not easy to change in position after installation, and different repairing positions are supported by inconvenient position adjustment after the accident, so that the efficiency of tunnel repairing engineering is reduced, feasibility is not realized under the emergency condition, and the assembled type rapid supporting structure which is used for the emergency of the tunnel and can be moved rapidly, has simple assembling steps and enough strength is needed to be researched and used.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an assembled rapid supporting structure for tunnel rescue, which solves the problems that the supporting structure is unstable, the hidden danger of secondary disaster damage exists, the repairing position of the supporting structure is single and fixed, and the time is consumed during tunnel rescue.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an assembled quick supporting construction for tunnel is speedily carried out rescue work, includes by the steel sheet, the rectangular steel column of fastening in the steel sheet inside and the I-steel bow member welding of fastening at the steel sheet top constitute supporting construction frame, four groups backup pad are tightly fixed to the inside of supporting construction frame, the inside sliding connection of backup pad has the support column, the bottom of support column is provided with the pulley, two sets of recesses have been seted up to the inside of backup pad, the spout has been seted up at the top of recess, two sets of springs are tightly fixed to recess front side inner wall, the rear end and the fixture block fastening of joint in the support column of spring, the top of fixture block is tightly fixed the connecting rod, connecting rod sliding connection is in the spout, the inside of backup pad is provided with the bearing, the middle part of bearing is tightly fixed the screwed pipe, the right-hand member of screwed pipe runs through the backup pad, the outside of screwed pipe is equipped with the sleeve pipe, the top and the erection block fastening of sliding connection in the backup pad, both sides at the erection block top all fasten the rack, the inside rotation of backup pad is connected with two sets of center pin, the outside fastening of center pin has gear and swing plate and pinion, the rack meshes.

Preferably, a blocking block is fastened on the outer side of the support column, and the blocking block is located at the bottom of the support plate.

Preferably, two groups of limit blocks are fastened inside the support plate, and the support column is connected to the outer sides of the two groups of limit blocks in a sliding mode.

Preferably, two groups of clamping grooves are formed in the support column, and the clamping blocks are clamped in the clamping grooves.

Preferably, the right end of the threaded pipe is fastened with a handle, the top of the supporting plate is provided with a moving groove, and the mounting block is slidably connected in the moving groove.

Preferably, the inside of the sleeve is provided with a threaded hole, and the threads on the inner wall of the threaded hole are matched with the threads on the outer side of the threaded pipe.

(III) beneficial effects

Compared with the prior art, the utility model provides an assembled rapid supporting structure for tunnel rescue, which has the following beneficial effects:

1. this an assembled quick supporting construction for tunnel is speedily carried out rescue work can make the device can be convenient remove to any position in the tunnel through setting up the pulley, for the dangerous tunnel section of appearing original supporting construction destruction, surrounding rock extrusion deformation, vault falls the piece and plays temporary support effect, and simultaneously through the cooperation between fixture block and the support column, and then make the pulley can be convenient install or dismantle from this equipment, the assembly to the device has been made things convenient for, can place more firmly in tunnel bottom plate work after the pulley is dismantled to the device, and make the part can repetitious usage on the device, manufacturing cost has been reduced, the work of rescue and relief workers in for the hole provides the safety space, the emergence of the secondary disaster damage accident of the in-process of speedily carrying out rescue work has been reduced, and is suitable for popularization.

2. This an assembled quick supporting construction for tunnel is speedily carried out rescue work, through the cooperation between rack and the gear, and then the rotation of gear will move the connecting rod through the swing board top, and the removal of connecting rod will drive the fixture block displacement to make the fixture block can be quick the card go into the support column or break away from the support column, increased the work efficiency of device, and easy operation has reduced operating personnel's inconvenience, has increased the application range of device.

3. This an assembled quick supporting construction for tunnel is speedily carried out rescue work through setting up support column sliding connection in the outside of stopper, and then on the one hand, the stopper has kept the support column balanced in the removal, prevents that the support column from appearing unbalance and rocking the condition when the displacement, has ensured the normal displacement of support column, on the other hand, the stopper has restricted the trend of support column, prevents to appear because of the condition that the support column misplacement led to the device to become invalid, has ensured the normal use of device.

Drawings

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

FIG. 2 is a partial structural cross-sectional view of the support plate of the present utility model;

fig. 3 is an exploded view of the structure of fig. 2 with the pulley and support plate omitted;

fig. 4 is a cross-sectional view of the structure of the support plate of the present utility model.

In the figure: 1. a support structure frame; 101. a steel plate; 102. i-steel arch centering; 103. rectangular steel columns; 2. a pulley; 3. a support plate; 4. a handle; 5. a threaded tube; 6. a sleeve; 7. a rack; 8. a gear; 9. a connecting rod; 10. a chute; 11. a swinging plate; 12. a support column; 13. a central shaft; 14. a limiting block; 15. a mounting block; 16. a spring; 17. a groove; 18. a clamping block; 19. and a blocking piece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an assembled rapid supporting structure for emergency treatment of a tunnel comprises a supporting structure frame 1, wherein the supporting structure frame 1 is formed by welding a steel plate 101, a rectangular steel column 103 fastened in the steel plate 101 and an i-shaped steel arch 102 fastened at the top of the steel plate 101, four groups of supporting plates 3 are fastened at the bottom of the supporting structure frame 1, supporting columns 12 are slidably connected in the supporting plates 3, pulleys 2 are arranged at the bottom ends of the supporting columns 12, the device can be conveniently moved to any position in the tunnel by arranging the pulleys 2, temporary supporting effect is achieved for the tunnel sections with the dangers of original supporting structure destruction, surrounding rock extrusion deformation, vault falling and the like, meanwhile, the pulleys can be conveniently installed or detached from the equipment by matching between clamping blocks 18 and the supporting columns 12, the assembly of the device is facilitated, the device can be more firmly placed on a tunnel bottom plate to work after a pulley is disassembled, parts on the device can be used for multiple times, the production cost is reduced, a safe space is provided for the work of rescue and relief workers in a hole, the occurrence of secondary disaster damage accidents in the rescue process is reduced, the device is suitable for popularization, two groups of grooves 17 are formed in the support plate 3, a chute 10 is formed at the top of each groove 17, two groups of springs 16 are tightly fixed on the inner wall of the front side of each groove 17, the rear end of each spring 16 is tightly fixed with a clamping block 18 clamped in a support column 12, two groups of clamping grooves are formed in the support column 12, the clamping blocks 18 are clamped in the clamping grooves, a connecting rod 9 is tightly fixed at the top of each clamping block 18, the connecting rod 9 is slidably connected in the chute 10, a bearing is arranged in the support plate 3, a threaded pipe 5 is tightly fixed in the middle of the bearing, a handle 4 is tightly fixed at the right end of the threaded pipe 5, a moving groove is formed at the top of the support plate 3, and installation piece 15 sliding connection runs through backup pad 3 in the travel groove, sleeve pipe 6 is equipped with to the outside spiral shell of screwed pipe 5, threaded hole has been seted up to the inside of sleeve pipe 6, and the screw thread of threaded hole inner wall and the screw thread looks adaptation in the screwed pipe 5 outside, the top and the installation piece 15 fastening of sliding connection in backup pad 3 of sleeve pipe 6, rack 7 has all been fastened to both sides around the installation piece 15 top, the inside rotation of backup pad 3 is connected with two sets of center pin 13, the outside of center pin 13 is fastened and is had gear 8 and swing board 11, rack 7 and gear 8 meshing, through the cooperation between rack 7 and the gear 8, and then the rotation of gear 8 will be through swing board 11 top movable connection pole 9, and the removal of connecting rod 9 will drive the fixture block 18 displacement, thereby make fixture block 18 can quick card go into support column 12 or break away from support column 12, the work efficiency of the device has been increased, and easy operation has reduced operating personnel's inconvenience, the application range of the device has been increased.

Specifically, in order to prevent excessive movement of the support column 12, a stopper 19 is fastened to the outside of the support column 12, and the stopper 19 is located at the bottom of the support plate 3, whereby displacement of the support column 12 can be restricted by the stopper 19.

Specifically, in order to keep the balance of the support column 12, two groups of limit blocks 14 are fastened in the support plate 3, and the support column 12 is slidably connected to the outer sides of the two groups of limit blocks 14, so that the support column 12 is slidably connected to the outer sides of the limit blocks 14, on one hand, the limit blocks 14 keep the balance of the support column 12 in moving, unbalance and shaking of the support column 12 during displacement are prevented, normal displacement of the support column 12 is guaranteed, on the other hand, the limit blocks 14 limit the trend of the support column 12, failure of the device caused by dislocation of the support column 12 is prevented, and normal use of the device is guaranteed.

When the device is required to be installed, the reversing handle 4 drives the threaded pipe 5 to reverse, the sleeve pipe 6 drives the mounting block 15 to move left through the reverse rotation of the threaded pipe 5, the left movement of the mounting block 15 drives the rack 7 to move left, the left movement of the rack 7 drives the gear 8, the gear 8 drives the swinging plate 11 to rotate in a mode of driving the central shaft 13 to rotate, the swinging plate 11 does not push the connecting rod 9 any more, the spring 16 can spring the clamping block 18 to be separated from the supporting column 12 in a sliding mode, and an operator can conveniently take out the pulley 2.

When the pulley 2 is installed, the support column 12 is clamped into the support plate 3, the clamping groove is aligned with the clamping block 18, then the handle 4 is rotated forward to enable the rack 7 to move rightwards, at the moment, the gear 8 is jacked by the rack 7, so that the gear 8 drives the swinging plate 11 to swing, the swinging plate 11 is jacked by the swinging plate 11 to move, the clamping block 18 is clamped into the clamping groove by the movement of the connecting rod 9, the support column 12 is fixed, and installation is completed.

To sum up, this an assembled quick supporting construction for tunnel is speedily carried out rescue work, can make the device can be convenient remove to any position in the tunnel through setting up pulley 2, for the tunnel section that appears danger such as original supporting construction destruction, country rock extrusion deformation, vault fall the piece plays temporary support effect, simultaneously through the cooperation between fixture block 18 and the support column 12, and then make pulley 2 can be convenient install or dismantle from the device, the assembly to the device has been made things convenient for, can place more firmly behind the pulley is dismantled to the device and work in tunnel bottom plate, and make the part on the device can repetitious usage, manufacturing cost has been reduced, the emergence of secondary disaster damage accident has been reduced in the process of salvaging for the work of the disaster relief personnel in the hole has been provided, and is suitable for popularization.

This an assembled quick supporting construction for tunnel is speedily carried out rescue work, through the cooperation between rack 7 and the gear 8, and then the rotation of gear 8 will be through swinging plate 11 top movable connection pole 9, and the removal of connecting pole 9 will drive fixture block 18 displacement to make the card that fixture block 18 can be quick go into support column 12 or break away from support column 12, increased the work efficiency of the device, and easy operation has reduced operating personnel's inconvenience, has increased the application range of the device.

This an assembled quick supporting construction for tunnel is speedily carried out rescue work through setting up support column 12 sliding connection in the outside of stopper 14, and then on the one hand, stopper 14 has kept the balance of support column 12 in the removal, prevents that support column 12 from appearing unbalance and rocking the condition when the displacement, has ensured the normal displacement of support column 12, and on the other hand, stopper 14 has restricted the trend of support column 12, prevents to appear because of the circumstances that the device became invalid that leads to of support column 12 dislocation, has ensured the normal use of the device.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a supporting construction frame (1) that is used for rapid supporting construction of assembled that tunnel was speeded up, its characterized in that including I-steel welding constitutes: four groups of support plates (3) are fastened at the bottom of the supporting structure frame (1), a support column (12) is connected inside the support plate (3) in a sliding manner, a pulley (2) is arranged at the bottom end of the support column (12), two groups of grooves (17) are formed in the support plate (3), a sliding groove (10) is formed in the top of each groove (17), two groups of springs (16) are fastened on the inner wall of the front side of each groove (17), the rear ends of the springs (16) are fastened with clamping blocks (18) clamped in the support column (12), connecting rods (9) are fastened at the tops of the clamping blocks (18), the connecting rods (9) are connected inside the sliding groove (10) in a sliding manner, a bearing is arranged inside the support plate (3), a threaded tube (5) is fastened in the middle of the bearing, the right end of each threaded tube (5) penetrates through the support plate (3), a sleeve (6) is screwed on the outer side of each threaded tube (5), the top of each sleeve (6) is fastened with a mounting block (15) which is connected in the support plate (3) in a sliding manner, the rear ends of each mounting block (16) are fastened with a clamping block (18), the two sides of the central shafts (7) are connected with the two sides of the central shafts (13) in the front of the support plate (7), the rack (7) is meshed with the gear (8).

2. The fabricated rapid support structure for a tunnel rescue of claim 1, wherein: the outside of support column (12) is fastened and is blocked piece (19), block piece (19) are located the bottom of backup pad (3).

3. The fabricated rapid support structure for a tunnel rescue of claim 1, wherein: two groups of limiting blocks (14) are fastened inside the supporting plate (3), and the supporting columns (12) are connected to the outer sides of the two groups of limiting blocks (14) in a sliding mode.

4. The fabricated rapid support structure for a tunnel rescue of claim 1, wherein: two groups of clamping grooves are formed in the support column (12), and clamping blocks (18) are clamped in the clamping grooves.

5. The fabricated rapid support structure for a tunnel rescue of claim 1, wherein: the right-hand member of screwed pipe (5) is fastened has handle (4), the removal groove has been seted up at the top of backup pad (3), and installation piece (15) sliding connection is in the removal groove.

6. The fabricated rapid support structure for a tunnel rescue of claim 1, wherein: threaded holes are formed in the sleeve (6), and threads on the inner wall of the threaded holes are matched with threads on the outer side of the threaded pipe (5).