CN110577160A - Pneumatic installation vehicle for gas drainage pipe for coal mine - Google Patents
Pneumatic installation vehicle for gas drainage pipe for coal mine Download PDFInfo
- Publication number
- CN110577160A CN110577160A CN201910833816.5A CN201910833816A CN110577160A CN 110577160 A CN110577160 A CN 110577160A CN 201910833816 A CN201910833816 A CN 201910833816A CN 110577160 A CN110577160 A CN 110577160A
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- Prior art keywords
- walking
- arm
- pneumatic
- hydraulic system
- coal mine
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003245 coal Substances 0.000 title claims abstract description 26
- 238000009434 installation Methods 0.000 title claims abstract description 24
- 210000000245 forearm Anatomy 0.000 claims description 19
- 230000009471 action Effects 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 6
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 210000000078 claw Anatomy 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003205 fragrance Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/18—Tracks
- B62D55/20—Tracks of articulated type, e.g. chains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/30—Track-tensioning means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/20—Control systems or devices for non-electric drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/42—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with jibs of adjustable configuration, e.g. foldable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/82—Luffing gear
- B66C23/821—Bracing equipment for booms
- B66C23/826—Bracing equipment acting at an inclined angle to vertical and horizontal directions
-
- 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
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/006—Equipment transport systems
-
- 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
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Automation & Control Theory (AREA)
- Handcart (AREA)
Abstract
The invention discloses a pneumatic installation vehicle for a gas drainage pipe for a coal mine, which comprises a folding walking operation platform, a pneumatic and hydraulic system, a main operation platform, a walking assembly, a grabbing arm and a claw, wherein the folding walking operation platform is positioned at the rear end of the pneumatic and hydraulic system, the main operation platform is positioned at the upper end of the pneumatic and hydraulic system, and the grabbing arm is positioned at the front end of the pneumatic and hydraulic system. The foldable walking operating platform, the pneumatic and hydraulic system, the main operating platform, the walking assembly, the grabbing arm and the clamping jaws form an integral operating structure, gas is used as power, no electric appliance element is contained, and the foldable walking operating platform is completely suitable for being used in an environment containing flammable and combustible gas under a mine. And good structural design can work in narrow complicated tunnel, and aim at improves the installation effectiveness, reduces workman's intensity of labour, reduces the damage to tunnel anchor net, improves the security of people and thing in the tunnel.
Description
Technical Field
The invention relates to the field of coal mining, in particular to a pneumatic installation vehicle for a gas drainage pipe for a coal mine.
background
Coal is generally divided into a mineworker coal mine and an open pit coal mine, when a coal bed is far away from the ground surface, a tunnel is generally dug towards the underground, the coal mine is the mineworker coal mine, gas is formed while coal is formed, colorless and odorless gas is generated due to physical and chemical actions, the fragrance similar to an apple can be heard sometimes, the fragrance is caused due to the fact that aromatic hydrocarbon gas and the gas are simultaneously gushed out, the gas is insoluble in water, combustion is not supported, respiration cannot be maintained, when a certain concentration is reached, people can suffocate due to oxygen deficiency, combustion or explosion can occur, and therefore when the coal mine is mined, the gas needs to be timely drained to guarantee the safety of normal mining operation.
In the underground operation process, the pneumatic installation vehicle for the gas drainage pipe for the coal mine can realize the following operation modes: the pneumatic installation vehicle for the gas drainage pipe for the coal mine uses gas as power, does not contain electrical elements, completely accords with the situation that the pneumatic installation vehicle contains flammable and explosive gas environment under the mine, can work in a narrow and complex roadway due to excellent structural design, effectively improves the installation efficiency, reduces the labor intensity of workers, reduces the damage to the roadway anchor net, improves the safety of people and objects in the roadway, and finally makes the overall operation more convenient.
Due to the limitation of space arrangement and space size in a roadway, no equipment for installing gas extraction pipes exists in the current coal mine market. The existing installation method needs to frequently take and dismantle the platform and replace the position of a hoisting block, the efficiency is low, the hoisting block needs to be installed on a roof anchor net to damage the anchor net, the stability of surrounding rocks of a roadway is affected, the safety of people and objects in the roadway is threatened, a gas exhaust pipe with the weight of 130-200 kg is manually moved, the labor intensity is high, the physical and mental health of workers is adversely affected, and certain adverse effects are achieved.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a pneumatic installation vehicle for a gas drainage pipe for a coal mine, and can effectively solve the problems in the background technology.
in order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a pneumatic installation car of gas drainage pipe for coal mine, is including folding walking operation panel, pneumatics and hydraulic system, main operation platform, walking assembly, grab arm, jack catch, folding walking operation panel is located pneumatics and hydraulic system's rear end, main operation platform is located pneumatics and hydraulic system's upper end, the grab arm is located pneumatics and hydraulic system's front end, the walking assembly is located the lower extreme of grab arm, the jack catch is located the front end of grab arm.
Preferably, the grab arm includes one-level forearm, second grade forearm, forearm upset hydro-cylinder, big arm lift hydro-cylinder, the base and the gyration hydro-cylinder of sliding, the middle part of grab arm is provided with big arm, the upper end of big arm is provided with the second grade forearm, through forearm upset hydro-cylinder swing joint between second grade forearm and the big arm, the inside of second grade forearm is provided with the one-level forearm, the lower extreme of big arm is provided with the gyration hydro-cylinder, through big arm lift hydro-cylinder swing joint between gyration hydro-cylinder and the big arm, the lower extreme of gyration hydro-cylinder is provided with the base of sliding.
Preferably, the outer surface of the main operating platform is provided with seven groups of control rods, and the functions of the control rods are horizontal propulsion, horizontal rotation, large arm lifting, small arm stretching, jaw opening and closing and reservation functions respectively.
preferably, the walking assembly is composed of a guide wheel, a thrust wheel, a chain wheel, a tensioning device and the like, and the combined type sealing crawler chain made of high-strength alloy steel is adopted.
Preferably, the pneumatic and hydraulic system consists of an air inlet processing system, a rotary motor assembly and a gear pump, the air motor is a gear motor, the applicable compressed air pressure is 0.3-0.76 MPa, the rated power can reach 10kw, and the motor is connected with the gear pump through an output shaft after being decelerated to output hydraulic energy.
Preferably, the main operating platform comprises control valves, a pressure gauge, pipe fittings, a frame and the like, two groups of reversing valves are arranged inside the main operating platform and are located in the frame of the main operating platform, joints are arranged neatly and attractively, and the operation of the grabbing arm and the clamping jaw and the interlocking of the high gear and the low gear of the walking motor and each action are controlled respectively.
Preferably, the folding walking operation platform comprises a pilot handle, a roller control valve, a bolt type safety control mechanism, a folding mechanism and the like, and is a humanized control device convenient for controlling the walking of the whole vehicle, a walking locking button valve arranged on the folding walking operation platform can work only by walking the pilot handle after being pressed down, the safety design can enable an operator to stop the walking action of the whole vehicle in time when danger occurs, the safety of the operator is ensured to the maximum extent, and the emergency stop button can rapidly cut off the power output of the whole vehicle.
Compared with the prior art, the invention has the beneficial effects that:
1. The foldable walking operating platform, the pneumatic and hydraulic system, the main operating platform, the walking assembly, the grabbing arm and the clamping jaws form an integral operating structure, gas is used as power, no electric appliance element is contained, and the foldable walking operating platform is completely suitable for being used in an environment containing flammable and combustible gas under a mine. And good structural design can work in narrow complicated tunnel, and aim at improves the installation effectiveness, reduces workman's intensity of labour, reduces the damage to tunnel anchor net, improves the security of people and thing in the tunnel.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the main operating table 3 of the present invention;
FIG. 3 is an enlarged view of the walking assembly 4 of the present invention;
FIG. 4 is an enlarged view of the jaw 6 of the present invention;
Fig. 5 is an enlarged view of the gripping arm 5 of the present invention;
In the figure: 1. folding walking operation table; 2. pneumatic and hydraulic systems; 3. a main operating table; 4. a walking assembly; 5. a grasping arm; 6. a claw; 51. a first-stage forearm; 52. a second-order forearm; 53. a small arm overturning oil cylinder; 54. a large arm; 55. a large arm lift cylinder; 56. a sliding base; 57. and a rotary oil cylinder.
Detailed Description
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a pneumatic installation car of gas drainage pipe for coal mine, includes folding walking operation panel 1, pneumatic and hydraulic system 2, main operation panel 3, walking assembly 4, grab arm 5, jack catch 6, folding walking operation panel 1 is located the rear end of pneumatic and hydraulic system 2, main operation panel 3 is located the upper end of pneumatic and hydraulic system 2, grab arm 5 is located the front end of pneumatic and hydraulic system 2, walking assembly 4 is located the lower extreme of grab arm 5, jack catch 6 is located the front end of grab arm 5.
Different installation angles and heights can be adjusted better, in the embodiment, preferably, the gripping arm 5 comprises a first-stage small arm 51, a second-stage small arm 52, a small arm overturning oil cylinder 53, a large arm 54, a large arm lifting oil cylinder 55, a sliding base 56 and a rotary oil cylinder 57, the large arm 54 is arranged in the middle of the gripping arm 5, the second-stage small arm 52 is arranged at the upper end of the large arm 54, the second-stage small arm 52 is movably connected with the large arm 54 through the small arm overturning oil cylinder 53, the first-stage small arm 51 is arranged inside the second-stage small arm 52, the rotary oil cylinder 57 is arranged at the lower end of the large arm 54, the rotary oil cylinder 57 is movably connected with the large arm 54 through the large arm lifting oil cylinder 55, and the sliding base 56 is arranged at the lower end of.
Can be more accurate, convenient control, preferred, the surface of main operation platform 3 is provided with seven groups of control rods, and its effect is horizontal propulsion, horizontal gyration, big arm lift, forearm is flexible, jack catch opens and shuts, reserves the function respectively.
The walking assembly 4 is preferably composed of a guide wheel, a thrust wheel, a chain wheel, a tensioning device and the like, and is made of high-strength alloy steel.
In order to better ensure sufficient and stable power, in the embodiment, preferably, the pneumatic and hydraulic system 2 is composed of an air inlet processing system, a rotary motor assembly and a gear pump, the air motor is a gear motor, the applicable compressed air pressure is 0.3-0.76 MPa, the rated power can reach 10kw, and the motor is connected with the gear pump through an output shaft after being decelerated to output hydraulic energy.
In order to better ensure the stability of operation, in this embodiment, preferably, the main operating board 3 is composed of control valves, pressure gauges, pipe fittings, a frame and the like, two sets of reversing valves are arranged inside the main operating board 3, the reversing valves are located in the frame of the main operating board 3, the joints are orderly and attractive, and the joints respectively control the operation of the gripping arms 5 and the claws 6 and the interlocking of the high and low gears and each action of the walking motor.
in order to better enhance the safety of practical use, in the embodiment, preferably, the folding walking operation platform 1 is composed of a pilot handle, a roller control valve, a bolt type safety control mechanism, a folding mechanism and the like, and is a humanized control device for conveniently controlling the walking of the whole vehicle, a walking locking button valve arranged on the folding walking operation platform 1 can work only by walking the pilot handle after being pressed down, the safety design can enable an operator to stop the walking action of the whole vehicle in time when danger occurs, the safety of the operator is ensured to the maximum extent, and the emergency stop button can rapidly cut off the power output of the whole vehicle.
The working principle and the using process of the invention are as follows: when in actual use, compressed air drives a pneumatic gear motor to rotate, so as to drive an oil pump to provide high-pressure oil, the high-pressure oil is used for the actions of the grab arm 5 and the claw 6, the walking and the operation of the whole equipment are controlled by folding the walking operating platform 1 and the main operating platform 3, so that the walking can be realized by the walking assembly 4, a guide wheel, a supporting wheel, a chain wheel, a tensioning device, a combined sealing crawler chain and the like, the integral lifting and autorotation are realized by the grab arm 5, a primary small arm 51, a secondary small arm 52, a small arm overturning oil cylinder 53, a large arm 54, a large arm lifting oil cylinder 55, a sliding base 56 and a rotating oil cylinder 57, then the claw 6 is contacted with a drawing and releasing pipe, and the moving, lifting and installation in a roadway are further completed, the installation efficiency is effectively improved, the labor intensity of workers is reduced, and the damage to an anchor net is reduced, the safety of people and thing in the improvement tunnel finally makes holistic operation more convenient, and the whole is more favorable to people to use when combining together.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a pneumatic installation car of gas drainage pipe for coal mine, includes folding walking operation panel (1), pneumatics and hydraulic system (2), main operation platform (3), walking assembly (4), grab arm (5), jack catch (6), its characterized in that: folding walking operation panel (1) is located the rear end of pneumatics and hydraulic system (2), main operation platform (3) are located the upper end of pneumatics and hydraulic system (2), grab arm (5) are located the front end of pneumatics and hydraulic system (2), walking assembly (4) are located the lower extreme of grab arm (5), jack catch (6) are located the front end of grab arm (5).
2. The pneumatic installation vehicle for the gas drainage pipe for the coal mine according to claim 1, wherein: grab arm (5) include one-level forearm (51), second grade forearm (52), forearm upset hydro-cylinder (53), big arm (54), big arm lift hydro-cylinder (55), slide base (56) and gyration hydro-cylinder (57), the middle part of grab arm (5) is provided with big arm (54), the upper end of big arm (54) is provided with second grade forearm (52), through forearm upset hydro-cylinder (53) swing joint between second grade forearm (52) and big arm (54), the inside of second grade forearm (52) is provided with one-level forearm (51), the lower extreme of big arm (54) is provided with gyration hydro-cylinder (57), through big arm lift hydro-cylinder (55) swing joint between gyration hydro-cylinder (57) and big arm (54), the lower extreme of gyration hydro-cylinder (57) is provided with the base (56) that slides.
3. The pneumatic installation vehicle for the gas drainage pipe for the coal mine according to claim 1, wherein: the outer surface of the main operating platform (3) is provided with seven groups of control rods which have the functions of horizontal propulsion, horizontal rotation, large arm lifting, small arm stretching, jaw opening and closing and reservation.
4. The pneumatic installation vehicle for the gas drainage pipe for the coal mine according to claim 1, wherein: the walking assembly (4) comprises a guide wheel, a thrust wheel, a chain wheel, a tensioning device and the like, and is a combined type sealing crawler chain made of high-strength alloy steel.
5. The pneumatic installation vehicle for the gas drainage pipe for the coal mine according to claim 1, wherein: the pneumatic and hydraulic system (2) is composed of an air inlet processing system, a rotary motor assembly and a gear pump, the air motor is a gear motor, the applicable compressed air pressure is 0.3-0.76 MPa, the rated power can reach 10kw, and the motor is connected with the gear pump through an output shaft after being decelerated to output hydraulic energy.
6. The pneumatic installation vehicle for the gas drainage pipe for the coal mine according to claim 1, wherein: the main operation platform (3) comprises control valve, manometer, pipe fitting and frame etc. the inside of main operation platform (3) is equipped with two sets of switching-over valves, and the switching-over valve is located the frame of main operation platform (3), and the joint is arranged neatly, and is pleasing to the eye, controls the operation of grapple arm (5) and jack catch (6) respectively to and the interlocking of walking motor high-low gear and each action.
7. The pneumatic installation vehicle for the gas drainage pipe for the coal mine according to claim 1, wherein: the folding walking operation platform (1) comprises a pilot handle, a roller control valve, a bolt type safety control mechanism, a folding mechanism and the like, is a humanized control device convenient for controlling the walking of the whole vehicle, a walking locking button valve arranged on the folding walking operation platform (1) can work only by walking the pilot handle after being pressed down, the safety design can enable an operator to stop the walking action of the whole vehicle in time when danger occurs, the safety of the operator is ensured to the maximum extent, and the emergency stop button can rapidly cut off the power output of the whole vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910833816.5A CN110577160A (en) | 2019-09-04 | 2019-09-04 | Pneumatic installation vehicle for gas drainage pipe for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910833816.5A CN110577160A (en) | 2019-09-04 | 2019-09-04 | Pneumatic installation vehicle for gas drainage pipe for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110577160A true CN110577160A (en) | 2019-12-17 |
Family
ID=68811821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910833816.5A Pending CN110577160A (en) | 2019-09-04 | 2019-09-04 | Pneumatic installation vehicle for gas drainage pipe for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110577160A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021169222A1 (en) * | 2020-02-24 | 2021-09-02 | 五邑大学 | Mine exploration assisting machine |
-
2019
- 2019-09-04 CN CN201910833816.5A patent/CN110577160A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021169222A1 (en) * | 2020-02-24 | 2021-09-02 | 五邑大学 | Mine exploration assisting machine |
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