CN112211668A - Novel escape pipeline for tunnel construction - Google Patents
Novel escape pipeline for tunnel construction Download PDFInfo
- Publication number
- CN112211668A CN112211668A CN202011322661.8A CN202011322661A CN112211668A CN 112211668 A CN112211668 A CN 112211668A CN 202011322661 A CN202011322661 A CN 202011322661A CN 112211668 A CN112211668 A CN 112211668A
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- bevel gear
- drill bit
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- rotary
- power
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- 238000010276 construction Methods 0.000 title claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 13
- 239000004575 stone Substances 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 10
- 210000000078 claw Anatomy 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F11/00—Rescue devices or other safety devices, e.g. safety chambers or escape ways
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Business, Economics & Management (AREA)
- Health & Medical Sciences (AREA)
- Emergency Management (AREA)
- Pulmonology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a novel escape pipeline for tunnel construction, which comprises a pipe wall, wherein an escape cavity is arranged in the pipe wall, a connecting block is fixedly arranged on the left side of the upper end surface of the pipe wall, fixing screws are connected on the connecting block in a threaded manner, the pipe wall is distributed in an array manner, two pipe walls are fixedly connected through the fixing screws, protective covers which are symmetrical with the escape cavity in the front and back direction are fixedly arranged below the pipe wall, a power box is fixedly arranged between the front protective cover and the rear protective cover, and a pressure receiving plate is fixedly arranged on the upper end surface of the power box. Greatly improving the escape speed of the personnel and avoiding the danger caused by the collapse of the tunnel.
Description
Technical Field
The invention relates to the field of tunnel safety devices, in particular to a novel escape pipeline for tunnel construction.
Background
Along with the rapid development of railways and highways, the scale and difficulty of tunnel construction are also getting bigger and bigger, tunnel collapse accidents are also happening constantly, the accidents cause property and casualty losses of different degrees for tunnel construction, so that the stability and harmony of the engineering construction period are seriously influenced, an escape channel is required to be arranged during tunnel construction, but the existing escape pipeline is only connected with a plurality of pipes with larger hardness, trapped people are required to climb out of the pipeline by themselves after danger occurs, if the pipeline inlet is blocked by falling stones, danger occurs when people cannot enter the pipeline in time, and danger is caused when people cannot climb out of the pipeline in time due to insufficient strength after being possibly injured.
Disclosure of Invention
In order to solve the problems, the embodiment designs a novel escape pipeline for tunnel construction, the novel escape pipeline for tunnel construction comprises a pipe wall, an escape cavity is arranged in the pipe wall, a connecting block is fixedly arranged on the left side of the upper end surface of the pipe wall, fixing screws are connected onto the connecting block in a threaded manner, the pipe wall is distributed in an array manner, two pipe walls are fixedly connected through the fixing screws, protective covers which are symmetrical to the front and the back of the escape cavity are fixedly arranged below the pipe wall, a power box is fixedly arranged between the front protective cover and the back protective cover, a pressure receiving plate is fixedly arranged on the upper end surface of the power box, an auxiliary spring is fixedly arranged between the upper end surface of the pressure receiving plate and the lower end of the pipe wall and used for buffering the downward pressing force, a pressure sensor is fixedly arranged at the lower end of the pressure receiving plate, a motor cavity is arranged on the right side, a movable power transmission device is arranged in the motor cavity and below the motor cavity, a movable bevel gear cavity is arranged below the motor cavity, roller boxes which are symmetrical front and back relative to the movable bevel gear cavity are fixedly arranged on the lower side of the power box, a slide rail fixedly connected with the ground is arranged under the roller boxes, a moving device is arranged in the roller boxes, a rotating plate is rotatably arranged at the right end of the pipe wall at the rightmost side, a stone cleaning device is arranged in the rotating plate and is used for cleaning stones blocking an escape opening to facilitate personnel to enter into the escape, a power transmission device is arranged on the left side of the upper part of the rotating plate and comprises a power motor arranged in the upper end wall of the pipe wall, a rotary bevel gear cavity is arranged above the power motor, a rotary gear cavity is arranged on the right side of the rotary bevel gear cavity, and a shaft sleeve is rotatably arranged on the, the fixed rotatory output gear that is provided with on the axle sleeve, the fixed right end face of rotatory output gear be provided with extend right with rotor plate fixed connection's rotatory power shaft, the motor power below is equipped with drill bit bevel gear chamber, drill bit bevel gear chamber right side is equipped with the gear chamber, gear chamber left end wall upside rotates and is provided with and passes right rotatory gear chamber extend to with in the rotor plate and with the rotor plate rotates the drill bit power input shaft of being connected, drill bit power input shaft with the axle sleeve inner wall rotates and is connected.
Preferably, the mobile power transmission device comprises a mobile motor which is arranged between the left end wall and the right end wall of the motor cavity in a vertically sliding manner, electromagnets are fixedly arranged at the rear end of the movable motor and the lower end wall of the motor cavity, a reset block which is connected with the front end wall of the motor cavity in a vertical sliding manner is fixedly arranged at the front end of the movable motor, a reset spring is fixedly arranged between the lower end surface of the reset block and the lower end wall of the motor cavity, the lower end of the mobile motor is dynamically connected with a mobile input shaft which extends downwards to the mobile bevel gear cavity, a movable input bevel gear is fixedly arranged at the lower end of the movable input shaft, the left end wall and the right end wall of the cavity of the movable bevel gear are respectively and rotatably provided with a movable output shaft extending to the roller box, and a mobile output bevel gear which can be meshed with the mobile input bevel gear is fixedly arranged on one side of the mobile output shaft, which is close to the mobile input bevel gear.
Preferably, the mobile device includes be equipped with the roller chamber of opening down in the gyro wheel case, the roller chamber is close to one side in removal bevel gear chamber is equipped with the removal pulley chamber, it extends to remove the output shaft the fixed removal input belt pulley that is provided with in one end in removal pulley chamber, the roller chamber is kept away from the rotation of one end wall downside in removal bevel gear chamber is provided with and extends to the roller shaft in removal pulley chamber, the roller shaft is located the fixed removal output belt pulley that is provided with of one end in the removal pulley chamber, remove the output belt pulley with around having the removal belt between the removal input belt pulley, the roller shaft is located fixed the gyro wheel that is provided with in the part of roller chamber.
Preferably, the stone cleaning device comprises a main gravel drill bit which is rotatably arranged at the center of the circle of the right end face of the rotating plate, an annular array on the outer side of the main gravel drill bit is provided with a secondary gravel drill bit which is rotatably connected with the right end face of the rotating plate, the secondary gravel drill bit and the right end face of the main gravel drill bit are both fixedly provided with drill bit claws, the left end of the secondary gravel drill bit is fixedly provided with a secondary drill bit power shaft, the left end of the main gravel drill bit is fixedly provided with a main drill bit power shaft, and a belt cavity is jointly wound between the main drill bit power shaft, the secondary drill bit power shaft and the drill bit power input shaft.
Preferably, the power transmission device comprises a rotary input shaft which is connected with the upper end of the power motor in a power mode and extends upwards to the rotary bevel gear cavity, a rotary input bevel gear is fixedly arranged at the upper end of the rotary input shaft, a rotary output bevel gear is meshed with the right side of the rotary input bevel gear, a rotary output shaft which extends to the right end wall of the rotary bevel gear cavity and is rotatably connected with the right end wall of the rotary bevel gear cavity is fixedly arranged at the right end of the rotary output bevel gear, a rotary input gear which is meshed with the rotary output gear is fixedly arranged on the rotary output shaft, a drill bit input shaft which extends downwards to the drill bit bevel gear cavity is connected with the lower end of the power motor in a power mode, a drill bit input bevel gear is fixedly arranged at the lower end of the drill bit input shaft, a drill bit output bevel gear is meshed with the right side of the drill bit, and a drill bit output gear fixedly connected with the drill bit power input shaft is meshed on the drill bit input gear.
The invention has the beneficial effects that: aiming at the safety problem of tunnel construction, the escape pipeline is modified, so that stones blocked at an entrance can be automatically cleaned by the escape pipeline, the problem that the escape pipeline is blocked and cannot enter the pipeline after an accident occurs in the tunnel is solved, and the moving device is arranged below the escape pipeline, so that the pipeline can be directly moved out of the tunnel through the moving device under the condition of confirmation of personnel, the escape speed of the personnel is greatly improved, and the danger caused by collapse of the tunnel is avoided.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the structure a-a in fig. 1.
Fig. 3 is an enlarged schematic view of B-B in fig. 1.
Fig. 4 is an enlarged schematic view of C in fig. 1.
Fig. 5 is an enlarged schematic view of D in fig. 3.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a novel escape pipeline for tunnel construction, which comprises a pipe wall 11, wherein an escape cavity 21 is arranged in the pipe wall 11, a connecting block 12 is fixedly arranged on the left side of the upper end surface of the pipe wall 11, fixing screws 13 are connected on the connecting block 12 in a threaded manner, the pipe wall 11 is distributed in an array manner, two pipe walls 11 are fixedly connected through the fixing screws 13, protective covers 29 which are symmetrical in the front and back directions of the escape cavity 21 are fixedly arranged below the pipe wall 11, a power box 24 is fixedly arranged between the front protective cover and the rear protective cover 29, a pressure receiving plate 27 is fixedly arranged on the upper end surface of the power box 24, an auxiliary spring 30 is fixedly arranged between the upper end surface of the pressure receiving plate 27 and the lower end of the pipe wall 11, the auxiliary spring 30 is used for buffering the downward pressing force, a pressure sensor 58 is fixedly arranged at the lower end of the pressure receiving plate 27, and a motor cavity 62, a movable power transmission device is arranged in the motor cavity 62 and below the motor cavity 62, a movable bevel gear cavity 64 is arranged below the motor cavity 62, roller boxes 23 which are symmetrical with the movable bevel gear cavity 64 in the front and back are fixedly arranged on the lower side of the power box 24, a slide rail 22 which is fixedly connected with the ground is arranged under the roller boxes 23, a moving device is arranged in the roller boxes 23, a rotating plate 14 is rotatably arranged at the right end of the pipe wall 11 at the rightmost side, a stone cleaning device is arranged in the rotating plate 14 and used for cleaning stones blocking an escape opening to facilitate people to enter the escape, a power transmission device is arranged on the left side of the upper part of the rotating plate 14 and comprises a power motor 40 arranged in the upper end wall of the pipe wall 11, a rotary bevel gear cavity 57 is arranged above the power motor 40, and a rotary gear cavity 54 is arranged on the right side of the rotary bevel gear cavity 57, the rotary gear cavity 54 is provided with a shaft sleeve 49 at the left end wall in a rotating manner, a rotary output gear 52 is fixedly arranged on the shaft sleeve 49, a rotary power shaft 51 which extends rightwards to be fixedly connected with the rotary plate 14 is fixedly arranged at the right end face of the rotary output gear 52, a drill bevel gear cavity 43 is arranged below the power motor 40, a gear cavity 47 is arranged at the right side of the drill bevel gear cavity 43, a drill power input shaft 50 which penetrates through the rotary gear cavity 54 rightwards to extend into the rotary plate 14 and is rotatably connected with the rotary plate 14 is rotatably arranged at the upper side of the left end wall of the gear cavity 47, and the drill power input shaft 50 is rotatably connected with the inner wall of the shaft sleeve 49.
Beneficially, the mobile power transmission device includes a mobile motor 28 disposed between left and right end walls of the motor cavity 62 in an up-and-down sliding manner, an electromagnet 59 is fixedly disposed on the rear end of the mobile motor 28 and the lower end wall of the motor cavity 62, a reset block 60 slidably connected with the front end wall of the motor cavity 62 in the up-and-down sliding manner is fixedly disposed at the front end of the mobile motor 28, a reset spring 61 is fixedly disposed between the lower end surface of the reset block 60 and the lower end wall of the motor cavity 62, a mobile input shaft 26 extending downward to the mobile bevel gear cavity 64 is dynamically connected to the lower end of the mobile motor 28, a mobile input bevel gear 25 is fixedly disposed at the lower end of the mobile input shaft 26, mobile output shafts 36 extending to the roller box 23 are respectively rotatably disposed on the left and right end walls of the mobile bevel gear cavity 64, and a mobile output bevel gear 25 capable of meshing with the mobile input bevel gear 25 is fixedly disposed on 63.
Beneficially, the moving device includes a roller cavity 37 with a downward opening in the roller box 23, a moving pulley cavity 65 is disposed on one side of the roller cavity 37 close to the moving bevel gear cavity 64, a moving input pulley 35 is fixedly disposed at one end of the moving output shaft 36 extending to the moving pulley cavity 65, a roller shaft 32 extending to the moving pulley cavity 65 is rotatably disposed at the lower side of one end wall of the roller cavity 37 far from the moving bevel gear cavity 64, a moving output pulley 33 is fixedly disposed at one end of the roller shaft 32 located in the moving pulley cavity 65, a moving belt 34 is wound between the moving output pulley 33 and the moving input pulley 35, and a roller 31 is fixedly disposed on a portion of the roller shaft 32 located in the roller cavity 37.
Beneficially, stone cleaning device is including rotating the main rubble drill bit 18 that sets up in rotor plate 14 right-hand member face centre of a circle department, the annular array in main rubble drill bit 18 outside is equipped with rotor plate 14 right-hand member face rotation connection's secondary rubble drill bit 15, secondary rubble drill bit 15 with main rubble drill bit 18 right-hand member face all is fixed and is equipped with drill bit claw 16, secondary rubble drill bit 15 left end is fixed and is provided with secondary drill bit power shaft 19, main rubble drill bit 18 left end is fixed and is provided with main drill bit power shaft 20, the belt chamber 17 is wound jointly between main drill bit power shaft 20, secondary drill bit power shaft 19 and the drill bit power input shaft 50.
Advantageously, the power transmission device comprises a rotary input shaft 39 extending upwards to the rotary bevel gear cavity 57 and is dynamically connected to the upper end of the power motor 40, a rotary input bevel gear 38 is fixedly arranged at the upper end of the rotary input shaft 39, a rotary output bevel gear 56 is engaged with the right side of the rotary input bevel gear 38, a rotary output shaft 55 extending to the right end wall of the rotary gear cavity 54 and rotatably connected to the right end wall of the rotary output bevel gear 56 is fixedly arranged at the right end of the rotary output shaft 55, a rotary input gear 53 engaged with the rotary output gear 52 is fixedly arranged on the rotary output shaft 55, a bit input shaft 41 extending downwards to the bit bevel gear cavity 43 is dynamically connected to the lower end of the power motor 40, a bit input bevel gear 42 is fixedly arranged at the lower end of the bit input shaft 41, a bit output bevel gear 44 is engaged with the right side of the bit input, a drill bit input gear 46 extending rightwards to the gear cavity 47 is fixedly arranged at the right end of the drill bit output bevel gear 44, and a drill bit output gear 48 fixedly connected with the drill bit power input shaft 50 is meshed on the drill bit input gear 46.
The use steps herein are described in detail below with reference to fig. 1-5:
in the initial state, the auxiliary spring 30 is in a relaxed state, the return spring 61 is in a relaxed state, the moving motor 28 is located at the upper limit position, the moving input bevel gear 25 is separated from the moving output bevel gear 63, and the rotating plate 14 is in a state of closing the escape cavity 21.
When the escape is needed, the power motor 40 is started to drive the bit input shaft 41 to rotate, thereby driving the bit input bevel gear 42 to rotate, the bit output bevel gear 44 drives the bit output shaft 45 to rotate, thereby driving the bit input gear 46 to rotate, the bit output gear 48 drives the bit power input shaft 50 to rotate, thereby driving the secondary bit power shaft 19 and the main bit power shaft 20 to rotate through the belt cavity 17, thereby driving the main gravel bit 18 and the secondary gravel bit 15 to rotate, thereby cleaning the blocked stones through the bit claws 16, meanwhile, the power motor 40 also drives the rotation input shaft 39 to rotate, thereby driving the rotation input bevel gear 38 to rotate, and the rotation output bevel gear 56 drives the rotation output shaft 55 to rotate, thereby driving the rotation input gear 53 to rotate, thereby driving the rotation output gear 52 to rotate, thereby driving the rotation plate 14 to rotate through the rotation power shaft 51, after the entrance of the escape pipe is opened, the power motor 40 is stopped, the person enters the escape cavity 21, the auxiliary spring 30 is compressed, the pressure sensor 58 detects the pressure change, when the pressure reaches a certain value, the electromagnet 59 is electrified to drive the moving motor 28 to move downwards, so that the moving input bevel gear 25 is meshed with the moving output bevel gear 63, the moving motor 28 is started to drive the moving input shaft 26 to rotate, so that the moving input bevel gear 25 is driven to rotate, so that the moving output bevel gear 63 is driven to rotate, the moving input belt pulley 35 is driven to rotate through the moving output shaft 36, so that the moving output belt pulley 33 is driven to rotate through the moving belt 34, so that the roller shaft 32 is driven to rotate, so that the roller 31 is driven to rotate, the whole device is driven to move, and the constructor is driven.
The invention has the beneficial effects that: aiming at the safety problem of tunnel construction, the escape pipeline is modified, so that stones blocked at an entrance can be automatically cleaned by the escape pipeline, the problem that the escape pipeline is blocked and cannot enter the pipeline after an accident occurs in the tunnel is solved, and the moving device is arranged below the escape pipeline, so that the pipeline can be directly moved out of the tunnel through the moving device under the condition of confirmation of personnel, the escape speed of the personnel is greatly improved, and the danger caused by collapse of the tunnel is avoided.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. A novel escape pipeline for tunnel construction comprises a pipe wall and is characterized in that: the pipe wall is internally provided with an escape cavity, the left side of the upper end surface of the pipe wall is fixedly provided with a connecting block, the connecting block is in threaded connection with fixing screws, the pipe wall is distributed in an array manner, two pipe walls are fixedly connected through the fixing screws, the lower part of the pipe wall is fixedly provided with a protective cover which is symmetrical with the front and the back of the escape cavity, a power box is fixedly arranged between the front protective cover and the back protective cover, the upper end surface of the power box is fixedly provided with a pressure receiving plate, an auxiliary spring is fixedly arranged between the upper end surface of the pressure receiving plate and the lower end of the pipe wall and used for buffering the downward pressing force, the lower end of the pressure receiving plate is fixedly provided with a pressure sensor, a motor cavity is arranged at the right side of the pressure sensor in the power box, a movable power transmission device is arranged, the lower side of the power box is fixedly provided with roller boxes which are symmetrical front and back with respect to the movable bevel gear cavity, a slide rail fixedly connected with the ground is arranged under each roller box, a moving device is arranged in each roller box, the right end of the pipe wall at the rightmost side is rotatably provided with a rotating plate, a stone cleaning device is arranged in each rotating plate and is used for cleaning stones blocking an escape opening, so that people can conveniently enter the escape, the left side of the upper part of each rotating plate is provided with a power transmission device, each power transmission device comprises a power motor arranged in the upper end wall of the pipe wall, a rotary bevel gear cavity is arranged above each power motor, the right side of each rotary bevel gear cavity is provided with a rotary gear cavity, the left end wall of each rotary gear cavity is rotatably provided with a shaft sleeve, each shaft sleeve is fixedly provided with a rotary output gear, and the right end face of each rotary output gear, the power motor is provided with a bevel gear cavity below, the right side of the bevel gear cavity is provided with a gear cavity, the upper side of the left end wall of the gear cavity rotates to be provided with a drill power input shaft which penetrates rightwards, extends to the rotary gear cavity, is connected with the rotary plate in a rotating mode, and is connected with the inner wall of the shaft sleeve in a rotating mode.
2. A novel escape duct for tunnel construction as claimed in claim 1, wherein: the mobile power transmission device comprises a mobile motor which is arranged between the left end wall and the right end wall of the motor cavity in a vertically sliding manner, electromagnets are fixedly arranged at the rear end of the movable motor and the lower end wall of the motor cavity, a reset block which is connected with the front end wall of the motor cavity in a vertical sliding manner is fixedly arranged at the front end of the movable motor, a reset spring is fixedly arranged between the lower end surface of the reset block and the lower end wall of the motor cavity, the lower end of the mobile motor is dynamically connected with a mobile input shaft which extends downwards to the mobile bevel gear cavity, a movable input bevel gear is fixedly arranged at the lower end of the movable input shaft, the left end wall and the right end wall of the cavity of the movable bevel gear are respectively and rotatably provided with a movable output shaft extending to the roller box, and a mobile output bevel gear which can be meshed with the mobile input bevel gear is fixedly arranged on one side of the mobile output shaft, which is close to the mobile input bevel gear.
3. A novel escape duct for tunnel construction as claimed in claim 1, wherein: the mobile device includes be equipped with opening roller chamber down in the gyro wheel case, the roller chamber is close to one side in removal bevel gear chamber is equipped with the removal pulley chamber, it extends to remove the output shaft the fixed removal input belt pulley that is provided with in one end in removal pulley chamber, the roller chamber is kept away from a terminal wall downside in removal bevel gear chamber rotates and is provided with and extends to the gyro wheel axle in removal pulley chamber, the gyro wheel axle is located the fixed removal output belt pulley that is provided with in one end in the removal pulley chamber, remove the output belt pulley with remove around having the removal belt between the input belt pulley, the gyro wheel axle is located the fixed gyro wheel that is provided with in part in the gyro wheel chamber.
4. A novel escape duct for tunnel construction as claimed in claim 1, wherein: the stone cleaning device comprises a main gravel drill bit which is rotatably arranged at the circle center of the right end face of the rotating plate, an annular array on the outer side of the main gravel drill bit is provided with a secondary gravel drill bit which is rotatably connected with the right end face of the rotating plate, the secondary gravel drill bit and the right end face of the main gravel drill bit are respectively and fixedly provided with a drill bit claw, a secondary drill bit power shaft is fixedly arranged at the left end of the secondary gravel drill bit, a main drill bit power shaft is fixedly arranged at the left end of the main gravel drill bit, and a belt cavity is jointly wound between the main drill bit power shaft and the secondary drill bit power input shaft.
5. A novel escape duct for tunnel construction as claimed in claim 1, wherein: the power transmission device comprises a rotary input shaft which is connected with the upper end of the power motor in a power mode and extends upwards to the rotary bevel gear cavity, a rotary input bevel gear is fixedly arranged at the upper end of the rotary input shaft, a rotary output bevel gear is meshed at the right side of the rotary input bevel gear, a rotary output shaft which extends to be rotatably connected with the right end wall of the rotary bevel gear cavity is fixedly arranged at the right end of the rotary output bevel gear, a rotary input gear which is meshed with the rotary output gear is fixedly arranged on the rotary output shaft, a drill bit input shaft which extends downwards to the drill bit bevel gear cavity is connected with the lower end of the power motor in a power mode, a drill bit input bevel gear is fixedly arranged at the lower end of the drill bit input shaft, a drill bit output bevel gear is meshed at the right side of the drill bit input bevel gear, and a drill bit input, and a drill bit output gear fixedly connected with the drill bit power input shaft is meshed on the drill bit input gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011322661.8A CN112211668A (en) | 2020-11-23 | 2020-11-23 | Novel escape pipeline for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011322661.8A CN112211668A (en) | 2020-11-23 | 2020-11-23 | Novel escape pipeline for tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112211668A true CN112211668A (en) | 2021-01-12 |
Family
ID=74068188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011322661.8A Withdrawn CN112211668A (en) | 2020-11-23 | 2020-11-23 | Novel escape pipeline for tunnel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112211668A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761716A (en) * | 2021-01-13 | 2021-05-07 | 王超 | Mine disaster escape device |
-
2020
- 2020-11-23 CN CN202011322661.8A patent/CN112211668A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761716A (en) * | 2021-01-13 | 2021-05-07 | 王超 | Mine disaster escape device |
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Application publication date: 20210112 |
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| WW01 | Invention patent application withdrawn after publication |