CN220319527U - A prevent gushing device for stratum reinforcement under tunnel - Google Patents
A prevent gushing device for stratum reinforcement under tunnel Download PDFInfo
- Publication number
- CN220319527U CN220319527U CN202322205298.7U CN202322205298U CN220319527U CN 220319527 U CN220319527 U CN 220319527U CN 202322205298 U CN202322205298 U CN 202322205298U CN 220319527 U CN220319527 U CN 220319527U
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- China
- Prior art keywords
- grouting
- bottom plate
- grouting pipeline
- groove
- blowout preventer
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- 230000002787 reinforcement Effects 0.000 title claims description 6
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 239000000872 buffer Substances 0.000 claims abstract description 22
- 238000013016 damping Methods 0.000 claims abstract description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 238000007596 consolidation process Methods 0.000 claims 5
- 230000002265 prevention Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 230000003014 reinforcing effect Effects 0.000 abstract description 8
- 230000003139 buffering effect Effects 0.000 abstract description 7
- 238000007599 discharging Methods 0.000 description 25
- 239000002893 slag Substances 0.000 description 24
- 238000012544 monitoring process Methods 0.000 description 9
- 238000001125 extrusion Methods 0.000 description 5
- 230000035939 shock Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000007569 slipcasting Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Abstract
The utility model discloses a blowout prevention device for reinforcing a tunnel bottom stratum, which relates to the technical field of blowout prevention devices and comprises a bottom plate, wherein a grouting pipeline is fixedly sleeved in the bottom plate, a grouting port is fixedly arranged at the top of the grouting pipeline, a sleeve block is arranged on the outer side of the grouting pipeline, a groove is formed in the inner side of the grouting pipeline, a buffer mechanism is arranged in the groove, and damping mechanisms are arranged on the two sides of the bottom plate. According to the utility model, through the mutual matching of the rotating rod, the groove, the rotating base, the buffer sheet, the belt pulley, the belt and the motor, the problems that the grouting pipeline and the tunnel bottom are easily damaged and the safety of the device is affected due to the fact that the descending impact force is relatively large in the grouting process of the grouting pipe are solved, the function of buffering the impact force is achieved, the descending impact force of grouting in the grouting pipe is effectively buffered, the grouting pipeline and the tunnel are prevented from being damaged by the impact force, and the safety of the device is improved.
Description
Technical Field
The utility model relates to the technical field of blowout prevention devices, in particular to a blowout prevention device for reinforcing a tunnel bottom stratum.
Background
In the shield engineering of urban rail transit, weak stratum or liquefied sand layer is frequently encountered, and the stratum can influence the operation of subways, so that the underground of the tunnel must be reinforced, the shield engineering is positioned in a urban prosperous area, and generally does not have the condition of ground reinforcement, so that the grouting reinforcement treatment can only be carried out by waiting for the formation of a shield tunnel and then drilling holes from the pipe sheets in the tunnel.
In the prior art, a publication number is provided: CN211258608U, a shield tunnel prevents gushing device, including the screw machine, screw machine shell, the discharge gate, the hob, the belt feeder, baffle, its characterized in that: the blowout prevention device comprises a slag discharging mechanism, a slag discharging amount monitoring mechanism and a dredging mechanism, wherein the slag discharging mechanism is connected with a discharge hole, a slag discharging end of the slag discharging mechanism is arranged above a belt conveyor, the slag discharging amount monitoring mechanism is arranged on the slag discharging mechanism, the dredging mechanism is arranged on the slag discharging mechanism, and when the slag discharging mechanism is blocked, the dredging mechanism dredges a blocking area of the blocking slag discharging mechanism.
In order to solve the technical scheme, the slag discharging mechanism is used, the slag discharging amount monitoring mechanism and the dredging mechanism are used, the technical defect that the existing earth pressure balance shield machine has the spraying gushes at the discharge hole in the slag discharging process is overcome, the slag discharging amount is monitored in real time through the slag discharging amount monitoring mechanism, the real-time adjustment of the slag discharging amount and the slag discharging speed is realized according to the rotation speed of the real-time belt conveyor of monitoring information, the technical scheme is used, the slag discharging mechanism is used, the slag discharging amount monitoring mechanism and the dredging mechanism are used, the technical defect that the spraying gush exists at the discharge hole in the slag discharging process of the existing earth pressure balance shield machine is overcome, the real-time monitoring of the slag discharging amount is realized through the slag discharging amount monitoring mechanism, the real-time adjustment of the slag discharging amount and the slag discharging speed is realized according to the rotation speed of the monitoring information, but the problem that the safety of the device is influenced due to the fact that the descending impact force is larger in the grouting pipe grouting process is easy to damage the bottom of a tunnel is also caused.
Disclosure of Invention
The utility model aims to provide a blowout preventer for reinforcing a tunnel bottom stratum, so as to solve the problems in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a prevent gushing device for stratum reinforcement at bottom of tunnel, includes the bottom plate, the inside fixed slip casting pipeline that has cup jointed of bottom plate, the top fixed mounting of slip casting pipeline has the slip casting mouth, the outside of slip casting pipeline is provided with the cover piece.
The grouting device is characterized in that a groove is formed in the inner side of the grouting pipeline, and a buffer mechanism is arranged in the groove.
The two sides of the bottom plate are provided with damping mechanisms, each damping mechanism comprises a fixed block, and one side of each fixed block is fixedly arranged on two sides of the bottom plate.
The technical scheme of the utility model is further improved as follows: the buffer mechanism comprises a rotary rod, the rotary rod is movably mounted on the inner side of the groove, a buffer sheet is fixedly mounted on the outer side of the rotary rod, and a rotary base is arranged at one end of the rotary rod.
By adopting the technical scheme, the function of buffering impact force is achieved by mutually matching the rotating rod, the groove, the rotating base and the buffer sheet.
The technical scheme of the utility model is further improved as follows: the other side of the rotary rod is fixedly provided with a belt pulley, the outer side of the belt pulley is movably connected with a belt, and one side of the belt pulley is provided with a motor.
By adopting the technical scheme, the belt pulley, the belt and the motor are mutually matched, so that the belt transmission function is achieved.
The technical scheme of the utility model is further improved as follows: the upper parts of the two sides of the sleeve block are fixedly provided with upper side plates, and the lower parts of the two sides of the sleeve block are fixedly provided with lower side plates.
The technical scheme of the utility model is further improved as follows: the inside activity of lower side board has cup jointed the threaded rod, the outside threaded connection of threaded rod has the nut.
By adopting the technical scheme, through the mutual cooperation of the upper side plate, the lower side plate, the threaded rod and the nut, the function of convenient disassembly is achieved.
The technical scheme of the utility model is further improved as follows: the inside movable mounting of fixed block bottom has the shock column, the outside movable mounting of shock column has damping spring, the bottom of shock column is provided with the bottom block.
By adopting the technical scheme, the damping and buffering functions are achieved through the mutual matching of the damping column, the damping spring, the bottom block and the fixed block.
The technical scheme of the utility model is further improved as follows: one side fixedly connected with mounting plate of backing block, the top movable mounting of mounting plate has the spring, the top movable mounting of spring is in the bottom of bottom plate.
By adopting the technical scheme, the auxiliary shock absorption function is achieved through the mutual cooperation of the support plate and the spring.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a blowout prevention device for reinforcing a stratum at the bottom of a tunnel, which solves the problems that the bottom of the grouting pipe and the tunnel are easily damaged due to larger descending impact force in the grouting process of a grouting pipe, and the safety of the device is affected by the larger descending impact force, achieves the function of buffering the impact force, effectively buffers the descending impact force of grouting in the grouting pipe, prevents the impact force from damaging the grouting pipe and the tunnel, and improves the safety of the device.
2. The utility model provides a blowout prevention device for reinforcing a tunnel bottom stratum, which solves the problems that when a buffer mechanism is used for a long time and is damaged and needs to be maintained, the maintenance and the disassembly of workers are complicated, the time and the labor are consumed, the convenience of the device is affected, the function of convenient disassembly is achieved, the maintenance of the device is convenient for the workers to disassemble, and the convenience of the device is improved.
3. The utility model provides a blowout prevention device for reinforcing a tunnel bottom stratum, which solves the problems that when a tunnel performs grouting work, large vibration is generated in the process of drilling through a pipe sheet and discharging the grouting pipe, the device is worn by long-time vibration to influence the service life of the device, the function of damping and buffering is achieved, the service life of the device is prolonged, and the practicability of the device is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a grouting pipe structure according to the present utility model;
FIG. 3 is a schematic diagram of a pulley according to the present utility model;
FIG. 4 is a block diagram of the present utility model;
fig. 5 is a schematic view of the structure of the base plate of the present utility model.
In the figure: 1. a bottom plate; 11. a fixed block; 12. a shock-absorbing column; 13. a damping spring; 14. a bottom block; 15. a support plate; 16. a spring; 2. grouting pipelines; 21. a rotating rod; 22. a buffer sheet; 23. a groove; 24. a rotating base; 25. a belt pulley; 26. a motor; 27. a belt; 3. a grouting port; 4. sleeving blocks; 41. a lower side plate; 42. an upper side plate; 43. a threaded rod; 44. and (3) a nut.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-5, the utility model provides a blowout prevention device for reinforcing a stratum at the bottom of a tunnel, which comprises a bottom plate 1, wherein a grouting pipeline 2 is fixedly sleeved in the bottom plate 1, a grouting port 3 is fixedly arranged at the top of the grouting pipeline 2, a sleeve block 4 is arranged at the outer side of the grouting pipeline 2, a groove 23 is formed in the inner side of the grouting pipeline 2, a buffer mechanism is arranged in the groove 23, the buffer mechanism comprises a rotary rod 21, the rotary rod 21 is movably arranged at the inner side of the groove 23, a buffer piece 22 is fixedly arranged at the outer side of the rotary rod 21, a rotary base 24 is arranged at one end of the rotary rod 21, a belt pulley 25 is fixedly arranged at the other side of the rotary rod 21, a belt 27 is movably connected to the outer side of the belt pulley 25, a motor 26 is arranged at one side of the belt pulley 25, when a large impact force is generated in the grouting process of the grouting pipeline 2, the belt pulley 25 is driven to rotate by the motor 26, the belt 27 is driven to rotate, the rotary rod 21 is driven to rotate in the rotary base 24, the buffer piece 22 is driven to rotate by the rotary rod 21, when grouting liquid in the grouting pipeline 2 descends through the buffer piece 22, the buffer piece 22 is damaged, the grouting effect is improved, and the grouting impact force of the tunnel is effectively prevented, and the grouting impact force is reduced, and the impact force is effectively reduced, and the device is prevented.
Example 2
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, upper side plate 42 is fixed mounting on the upper portion of cover piece 4 both sides, the lower part fixed mounting of cover piece 4 both sides has downside 41, threaded rod 43 has been cup jointed to the inside activity of downside 41, threaded rod 43's outside threaded connection has nut 44, when buffer mechanism takes place to damage, on making nut 44 dismantle threaded rod 43, take out threaded rod 43, make grouting pipe 2 separate from top to bottom along cover piece 4 with the inside of downside 41, reach convenient dismantlement's function, convenient workman dismantles maintenance to grouting pipe 2's inside, improve the convenience of device.
Example 3
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the both sides of bottom plate 1 are provided with damper, damper includes fixed block 11, one side fixed mounting of fixed block 11 is in the both sides of bottom plate 1, the inside movable mounting of fixed block 11 bottom has shock-absorbing column 12, shock-absorbing column 12's outside movable mounting has shock-absorbing spring 13, shock-absorbing column 12's bottom is provided with bottom block 14, one side fixedly connected with mounting plate 15 of bottom block 14, mounting plate 15's top movable mounting has spring 16, spring 16's top movable mounting is in bottom plate 1's bottom, when the strong vibrations take place for the device operation, through the bottom plate 1 atress to the shock-absorbing column 12 extrusion that sets up in the fixed block 11, extrude the shock-absorbing spring 13 that sets up the outside by shock-absorbing column 12, utilize shock-absorbing spring 13's buffering nature, can protect the whole shock-absorbing device, prevent that the device from taking place the shock abrasion, extension device's life, when mounting plate 15 and bottom atress extrusion spring 16 of bottom plate 1, utilize the elasticity that sets up spring 16, can play auxiliary damper and protect the effect.
The working principle of the blowout preventer for reinforcing the tunnel bottom stratum is specifically described below.
As shown in fig. 1-5, when the grouting pipeline 2 produces great impact force in the process of grouting, drive belt pulley 25 through motor 26 and rotate, drive outside by belt pulley 25 rotation and set up belt 27 and carry out rotary transmission, make rotary rod 21 rotate in rotating base 24, utilize rotary rod 21 rotatory drive buffer piece 22 rotatory, grouting liquid in grouting pipeline 2 descends through buffer piece 22 when, reach the function of buffering impact force, the impact force that effectively cushions grouting pipeline 2 internal grouting decline, prevent that the impact force from destroying grouting pipeline 2 and tunnel, improve the security of device, when buffer mechanism takes place to damage, through workman's spanner twist nut 44, make nut 44 dismantle out on threaded rod 43, take out the inside of upper side plate 42 and lower side plate 41 with threaded rod 43, make grouting pipeline 2 separate from top to bottom along cover piece 4, reach convenient dismantlement's function, convenient workman carries out the inside of grouting pipeline 2 and maintains, improve the convenience of device, when the device operation takes place strong, carry out the extrusion through bottom plate 1 atress to the impact force 12 that sets up in the fixed block 11, the extrusion 12, set up by the side 12 and the extrusion spring 13 with the side of the elastic device is used to the elastic device, the life-span of the impact device is reached, the life-span is improved, the life of the device is realized with the elastic device is realized to the elastic device is set up by the side 13 to the elastic device is used to the elastic device, the bottom plate is set up by the elastic device is used to the bottom 13.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (7)
1. A prevent gushing device for tunnel bottom stratum consolidates, includes bottom plate (1), its characterized in that: a grouting pipeline (2) is fixedly sleeved in the bottom plate (1), a grouting port (3) is fixedly arranged at the top of the grouting pipeline (2), and a sleeve block (4) is arranged on the outer side of the grouting pipeline (2);
a groove (23) is formed in the inner side of the grouting pipeline (2), and a buffer mechanism is arranged in the groove (23);
the damping mechanism is arranged on two sides of the bottom plate (1) and comprises a fixed block (11), and one side of the fixed block (11) is fixedly arranged on two sides of the bottom plate (1).
2. A blowout preventer for use in the consolidation of a subterranean tunnel formation according to claim 1, wherein: the buffer mechanism comprises a rotating rod (21), the rotating rod (21) is movably mounted on the inner side of the groove (23), a buffer sheet (22) is fixedly mounted on the outer side of the rotating rod (21), and a rotating base (24) is arranged at one end of the rotating rod (21).
3. A blowout preventer for use in the consolidation of a subterranean tunnel formation according to claim 2, wherein: the other side of rotary rod (21) fixed mounting has belt pulley (25), the outside swing joint of belt pulley (25) has belt (27), one side of belt pulley (25) is provided with motor (26).
4. A blowout preventer for use in the consolidation of a subterranean tunnel formation according to claim 1, wherein: the upper parts of the two sides of the sleeve block (4) are fixedly provided with upper side plates (42), and the lower parts of the two sides of the sleeve block (4) are fixedly provided with lower side plates (41).
5. A blowout preventer for use in the consolidation of a subterranean tunnel formation according to claim 4, wherein: the inside activity of curb plate (41) has cup jointed threaded rod (43), the outside threaded connection of threaded rod (43) has nut (44).
6. A blowout preventer for use in the consolidation of a subterranean tunnel formation according to claim 1, wherein: the inside movable mounting of fixed block (11) bottom has shock-absorbing column (12), the outside movable mounting of shock-absorbing column (12) has damping spring (13), the bottom of shock-absorbing column (12) is provided with bottom block (14).
7. The blowout preventer for use in the reinforcement of a subterranean tunnel formation according to claim 6, wherein: one side fixedly connected with mounting plate (15) of backing block (14), the top movable mounting of mounting plate (15) has spring (16), the top movable mounting of spring (16) is in the bottom of bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322205298.7U CN220319527U (en) | 2023-08-16 | 2023-08-16 | A prevent gushing device for stratum reinforcement under tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322205298.7U CN220319527U (en) | 2023-08-16 | 2023-08-16 | A prevent gushing device for stratum reinforcement under tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220319527U true CN220319527U (en) | 2024-01-09 |
Family
ID=89417617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322205298.7U Active CN220319527U (en) | 2023-08-16 | 2023-08-16 | A prevent gushing device for stratum reinforcement under tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220319527U (en) |
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2023
- 2023-08-16 CN CN202322205298.7U patent/CN220319527U/en active Active
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