CN211032579U - Coal mine fully-mechanized coal mining face mobile equipment train device - Google Patents
Coal mine fully-mechanized coal mining face mobile equipment train device Download PDFInfo
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- CN211032579U CN211032579U CN201921393095.2U CN201921393095U CN211032579U CN 211032579 U CN211032579 U CN 211032579U CN 201921393095 U CN201921393095 U CN 201921393095U CN 211032579 U CN211032579 U CN 211032579U
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- 238000005065 mining Methods 0.000 title claims abstract description 80
- 239000003245 coal Substances 0.000 title claims abstract description 39
- 239000003921 oil Substances 0.000 claims description 24
- 239000000969 carrier Substances 0.000 claims description 7
- 239000010720 hydraulic oil Substances 0.000 claims description 7
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a colliery is combined and is adopted working face mobile device train device. The mobile equipment train device for the fully mechanized coal mining face comprises at least two transport vehicle groups (100), wherein each transport vehicle group (100) comprises at least one mining flat transport vehicle (3); the adjacent transport vehicle groups (100) are connected with each other by a driving cylinder (7), and a brake device is arranged on each transport vehicle group (100). The utility model discloses an among the colliery is combined and is adopted working face mobile device train device, adjacent transport car group (100) are through actuating cylinder (7) interconnect, and are provided with arresting gear on every transport car group (100) to, can realize through actuating cylinder and arresting gear's cooperation the colliery is combined and is adopted the removal of working face mobile device train device. Therefore, the utility model discloses a colliery is combined and is adopted working face mobile device train device need not the winch and drags, even also do not have the risk of sports car in the tunnel of going up the downhill path moreover.
Description
Technical Field
The utility model relates to a mine transportation technology field especially relates to a colliery is combined and is adopted working face mobile device train device.
Background
The coal mine fully mechanized coal mining face mobile equipment train device is important coal mine equipment. For a conventional fully mechanized mining working face, large-scale equipment such as a mobile substation, an emulsion pump station, a spray pump, a pump box and the like synchronously propelled along with the working face, and auxiliary devices such as switches, cables, hydraulic pipelines, an operation console and the like for controlling equipment such as a working scraper, a reversed loader, a crusher and the like are also included. These large equipment and auxiliary equipment weigh hundreds of tons and are typically carried on a moving equipment train unit on a coal mine fully mechanized face. Therefore, the coal mine fully mechanized mining face mobile equipment train device needs to move along with the mining progress of the working face.
In the prior art, a coal mine fully mechanized coal mining face mobile equipment train device is generally pulled by a winch. When the equipment is pushed to train in the roadway on the uphill and the downhill, the train is easy to slip and run. Therefore, for the uphill section, a winch is required to be installed in front of the running of the equipment train to pull the train, the winch is matched with the self-moving device to move, and for the downhill section, the winch is arranged behind the running to pull the train, so that the train is prevented from running. The winch layout is complicated, and the position of the winch needs to be adjusted along with the forward movement of the fully mechanized coal mining face winch, so that the efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coal mine is combined and is adopted working face mobile device train device, the coal mine is combined and is adopted working face mobile device train device and need not the winch and drag, even also have the risk of sports car in last downhill path tunnel moreover.
In order to achieve the purpose, the utility model provides a colliery is combined and is adopted working face mobile device train device, colliery is combined and is adopted working face mobile device train device and includes at least two transport vechicles, and each transport vechicle group includes at least one mining flat transport vechicle; the adjacent transport vehicle groups are connected with each other through a driving cylinder, a braking device is arranged on each transport vehicle group, the braking device is an orbit holding device, the orbit holding device comprises a hydraulic oil cylinder, a braking spring and a pincerlike orbit holding clamp, the orbit holding device has an enclasping braking state and a releasing state,
in the holding braking state, the braking spring applies spring force to the pincerlike rail clamping clamp, so that the jaw of the pincerlike rail clamping clamp is closed to clamp the rail, and braking is formed;
in the release state, the hydraulic oil cylinder acts to overcome the elastic force of the braking spring, so that the jaw of the clamp-shaped rail clamping clamp is opened, and the brake is released.
Preferably, the driving cylinder is powered by a hydraulic pump station, the hydraulic pump station is a pump station for a working face, and the hydraulic pump station is arranged on any one mining flat carrier vehicle of the coal mine fully-mechanized mining working face mobile equipment train device.
Preferably, the action of the driving cylinder is controlled by a control valve, the control valve is a manual and electric integrated control valve, and the mobile equipment train device comprises a remote controller capable of wirelessly remotely controlling the manual and electric integrated control valve.
Preferably, four rail holding devices are arranged on each mining flat carrier vehicle, two of the four rail holding devices form a group, two groups of rail holding devices are arranged at intervals in the front-rear direction, and the two rail holding devices in the same group are arranged in a bilateral symmetry manner.
Preferably, the clamping surface of the clamp-shaped rail clamping clamp of the rail clamping device is provided with a sparkless lining plate.
Preferably, the hydraulic oil cylinder is powered by a hydraulic pump station, the hydraulic pump station is a pump station for a working face, and the hydraulic pump station is arranged on any one mining flat carrier vehicle of the coal mine fully-mechanized mining working face mobile equipment train device.
Preferably at least one of said sets of conveyor trains comprises at least two flat bed conveyors for mines, adjacent flat bed conveyors in the same set of conveyor trains being interconnected by means of coupling bolts, or each of said sets of conveyor trains comprises only one flat bed conveyor for mines,
and adjacent mining flat transport vehicles of adjacent transport vehicle groups are connected with each other through the driving cylinder, and the driving cylinder is a stepping oil cylinder.
Preferably, the number of the stepping oil cylinders arranged between the adjacent mining flat plate transport vehicles of the adjacent transport vehicle groups is one.
The utility model discloses an among the colliery is combined and is adopted working face mobile device train device, adjacent transport vechicle group passes through the driving cylinder interconnect, and is provided with arresting gear on every transport vechicle group to, can realize through the cooperation of driving cylinder and arresting gear the colliery is combined and is adopted the removal of working face mobile device train device. Therefore, the utility model discloses a colliery is combined and is adopted working face mobile device train device need not the winch and drags, even also do not have the risk of sports car in the tunnel of going up the downhill path moreover.
Drawings
Fig. 1 is a schematic front view of two adjacent transport vehicle groups of a coal mine fully mechanized mining face mobile device train apparatus according to an embodiment of the present invention.
Fig. 2 is an adjacent main view schematic diagram of the mining flat carrier vehicle of the coal mine fully mechanized coal mining face mobile device train device according to the utility model discloses an embodiment.
Fig. 3 is a schematic top view of the mining flat carrier vehicle shown in fig. 1.
Fig. 4 is a stepped sectional view taken along line a-a of fig. 3.
Reference numerals:
| 1 | |
7 | |
| 2 | Manual and electric integrated |
8 | Connecting |
| 3 | Mining flat |
61 | |
| 4 | |
62 | |
| 5 | Wheel of |
63 | Clamp- |
| 6 | |
100 | Transport vehicle set |
Detailed Description
In the drawings, the same or similar reference numerals are used to denote the same or similar elements or elements having the same or similar functions. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present invention, the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the present invention.
As shown in fig. 1, the mobile equipment train device for a fully mechanized coal mining face of the present invention includes at least two transport vehicle groups 100, each transport vehicle group 100 includes at least one flat transport vehicle 3 for mining; adjacent transport carriages 100 are connected to one another by means of drive cylinders 7, and a brake device is provided on each transport carriage 100. The brake device is not shown in fig. 1.
The mining flat carrier vehicle 3 is used for bearing various mining equipment or goods such as ores and the like. The mining flat carrier vehicle 3 is provided with wheels 5, and the wheels 5 run on a track 4.
The utility model discloses in the colliery is combined and is adopted working face mobile device train device, adjacent transport vechicle group 100 passes through 7 interconnect of actuating cylinder, and is provided with arresting gear on every transport vechicle group 100 to, can realize through actuating cylinder and arresting gear's cooperation or collaborative work the colliery is combined and is adopted the removal of working face mobile device train device. Therefore, the utility model discloses a colliery is combined and is adopted working face mobile device train device need not the winch and drags, even also do not have the risk of sports car in the tunnel of going up the downhill path moreover.
In an alternative embodiment, at least one of the transport vehicle consists of at least two mining flat carriers 3. For example, consist 100 has the same number of mining flat carriers 3, e.g., each having 2-4 mining flat carriers 3. The adjacent mining flat transport vehicles 3 in the same transport vehicle group are connected with each other through a connecting bolt 8 or a connecting spherical hinge (universal joint). In another alternative embodiment, each consist 100 includes only one mining flat bed transporter 3.
As shown in fig. 1, adjacent mining flat carriers 3 of adjacent consist 100 are interconnected by said drive cylinder 7. The driving cylinder 7 preferably adopts a stepping oil cylinder, so that the stroke of the driving cylinder 7 can be accurately controlled, and the accurate motion displacement of the mobile equipment train device on the fully mechanized coal mining face is realized. However, embodiments using other types of drive cylinders 7 than step cylinders, such as pneumatic cylinders, conventional hydraulic cylinders, are within the scope of the present invention.
Referring to fig. 1, one end of the drive cylinder 7 (e.g., the barrel heel end) is articulated with one mining flatbed transport vehicle 3, while the other end of the drive cylinder 7 (e.g., the piston rod end) is articulated with the other mining flatbed transport vehicle 3. The concrete hinge mode can adopt a bolt mode and can also adopt a connecting ball joint (universal joint). That is, in order to drive the movement of the moving equipment train device, the driving cylinder 7 is provided. This movement is accomplished by driving the cylinder 7 to push (extend) or pull (retract) a set stroke.
The specific mounting position of the drive cylinder 7 can be set according to specific structure and conditions. Advantageously, the drive cylinder 7 is arranged at the lower part of the mining flat carrier vehicle 3 in order to avoid affecting the load-bearing capacity of the mining flat carrier vehicle 3.
The number of actuating cylinders 7 can be set according to the specific construction and situation. In one embodiment, the number of step cylinders provided between adjacent mining flat carriers 3 of adjacent consist 100 is one. Advantageously, in this case, the stepping cylinder is arranged centrally. In another embodiment, the number of the stepping oil cylinders arranged between the adjacent mining flat plate transport vehicles 3 of the adjacent transport vehicle groups is at least two, and the stepping oil cylinders are of the same specification and are arranged in parallel. In this case, the stepping cylinders are arranged in bilateral symmetry.
Under the condition that a plurality of stepping oil cylinders are arranged between two adjacent transport vehicle groups, the force borne by each stepping oil cylinder is greatly reduced, and the stepping oil cylinders with smaller specifications can be adopted. But a plurality of stepping cylinders need to move synchronously. Advantageously, the plurality of stepping cylinders are controlled by the same control valve.
The specific number of the stepping oil cylinders is determined by the number of the transport vehicle groups. And if the number of the transport vehicle groups is n, and only 1 stepping oil cylinder is arranged between two adjacent groups, the number of the stepping oil cylinders is n-1. If a stepping oil cylinders are arranged between two adjacent groups, and a is greater than 1, the number of the stepping oil cylinders is a (n-1).
And the stroke of the oil cylinder of the stepping oil cylinder is 3m, and the single maximum stroke of the whole mobile equipment train device is (n-1) × 3 m. If the moving distance is larger than the above, the operation can be repeated until the moving position is reached.
The drive cylinder 7 is powered by a hydraulic pump station 1 (see fig. 2). The hydraulic pump station 1 is a pump station simultaneously used for a working face and is arranged on any one mining flat transport vehicle 3 of the coal mine fully-mechanized mining working face mobile equipment train device. That is to say, the hydraulic pump station 1 is a hydraulic pump station 1 carried by the mobile equipment train device of the coal mine fully-mechanized mining face and used for providing hydraulic power for the fully-mechanized mining face. Therefore, a hydraulic pump station is not required to be additionally arranged for the movement of the mobile equipment train device of the fully mechanized coal mining face. It should be noted that the specific installation position of the hydraulic pump station 1 on the mining flat carrier vehicle 3 can be set as required.
In order to control the telescopic movement of the drive cylinder, a pilot valve is provided. That is, the actuation of the drive cylinder is controlled by a pilot valve. The pilot valve may be any type of pilot valve, such as a combination valve, two or more individual valves, a liquid valve, an electrically controlled valve, a manual valve, etc., as long as the control of the telescopic movement of the drive cylinder is achieved. According to the requirement, the control valve can realize the reversing control of expansion and contraction and can also carry out the locking position. That is, the pilot valve has a shut-off function. The connection control form of the control valve and the liquid ports of the rod cavity and the rodless cavity of the driving cylinder 7 is a mature prior art and is not described herein any more.
In one embodiment, the control valve is a manual-electric integrated control valve 2, and the mobile equipment train device comprises a remote controller capable of wirelessly remotely controlling the manual-electric integrated control valve 2. The manual and electric integrated control valve 2 can be operated on site and can also be operated by remote control. Usually, a remote control operation mode is adopted, so that the safety of an operator can be ensured.
The braking device can take any suitable configuration and form so long as braking of the mining flat transport vehicle 3 or the corresponding consist 100 is achieved. In one embodiment, the braking device is a device for braking the wheel 5. In another alternative embodiment, the braking device is a rail holding device 6. That is, braking is achieved by the engagement of the rail embracing means 6 with the rail 4. Specifically, referring to fig. 4, the rail holding device 6 includes a hydraulic cylinder 61, a brake spring 62 and a clamp rail holding clamp 63. A brake spring 62 is disposed on the side away from the jaws and a hydraulic ram 61 is disposed on the side adjacent to the jaws. That is, the brake spring is a compression spring. When the hydraulic cylinder 61 is extended, the elastic force of the brake spring is overcome. The positions of hydraulic ram 61 and brake spring 62 may also be reversed. At this time, the brake spring 62 is a tension spring, and when the hydraulic cylinder 61 is contracted, the elastic force of the brake spring is overcome.
Advantageously, the hydraulic rams 61 are powered by the hydraulic power unit 1.
The rail holding device 6 has a holding braking state and a releasing state. In the holding braking state, the braking spring 62 applies a spring force to the pincerlike rail holding clamp 63, so that the jaw of the pincerlike rail holding clamp 63 is closed to clamp the rail 4, and braking is achieved. In the release state, the hydraulic cylinder 61 is actuated (extended or contracted) to overcome the elastic force of the brake spring 62, so that the jaws of the clamp-shaped rail holding clamp 63 are opened, and the brake is released. In other words, when the railway vehicle is in a braking condition, under the action of the spring force of the braking spring, the jaws of the clamp-shaped rail holding clamp are closed, and the clamp-shaped rail holding clamp holds the railway rail 4 to form braking. When the mining flat carrier vehicle 3 needs to move, the hydraulic oil cylinder overcomes the elastic force of the brake spring, so that the jaw of the clamp-shaped rail clamp is opened, and the brake is released.
The number of said braking means, or more specifically the number of said embracing rail means 6, may be set as desired. For example, it is sufficient to have at least one braking device per train set. Advantageously, four rail embracing devices 6 are arranged on each mining flat carrier 3, and the four rail embracing devices 6 are in a group of two. Two sets of rail devices 6 are arranged in the front-back direction at intervals, and the interval distance can be set as required. The two rail holding devices 6 in the same group are symmetrically arranged left and right and respectively correspond to one rail. More rail holding devices 6 can be arranged on each mining flat carrier vehicle 3 according to requirements.
The rail embracing means 6 is arranged to be kinematically integrated with the respective mining flat carrier vehicle 3. That is, when the mining flat carrier vehicle 3 moves, the rail holding device moves along the extending direction of the rail along with the back and forth movement of the mining flat carrier vehicle 3.
In order to increase the rail holding braking force and prevent friction sparks generated in the sliding process, the contact surface of the rail holding device 6 and the rail 4 is a sparkless lining plate. That is, the clamping surface of the clamp-shaped rail clamp of the rail clamping device 6 is provided with a sparkless lining plate.
When moving, all rail holding devices 6 of the carrier vehicle group as a support group firmly fix the carrier vehicle group on the track 4 by spring force. The manual-electric integrated control valve 2 controls the stepping oil cylinder to enable a piston rod of the stepping oil cylinder to stretch, so that the transport vehicle group of the non-support group moves under the action of the stepping oil cylinder.
For example, in one embodiment, the entire mobile equipment train assembly has three sets of transport vehicles, each set of transport vehicles including 3 flat bed transport vehicles for a mine. Namely, the mobile equipment train device comprises 9 mining flat transport vehicles. The serial numbers of all the mining flat transport vehicles of the first transport vehicle group are respectively 1-3, the serial numbers of all the mining flat transport vehicles of the second transport vehicle group are respectively 4-6, and the serial numbers of all the mining flat transport vehicles of the third transport vehicle group are respectively 7-9.
When the mobile device train arrangement is moved, first the rail holding devices 6 of the first and second vehicle groups are opened, the brakes are released, and the first and second vehicle groups can move on the rails 4. The rail-holding device 6 of the third vehicle group brakes, so that the position of the third vehicle group is fixed relative to the rail 4. At this time, the first and second transport cars serve as non-support groups, and the third transport car serves as a support group.
Then, all the stepping oil cylinders are pushed and extended respectively by the action of the manual-electric integrated control valve 2, and can synchronously act or act one by one. Action one by one is preferable, safety is better, and the required instantaneous maximum power is also smaller. The moving distances of the second carriage set and the first carriage set are 3 meters and 6 meters, respectively (assuming that the stepping cylinder stroke is 3 meters). After the first transport vehicle group moves to the right position, the rail holding device 6 of the first transport vehicle group and the rail 4 are braked, and the rail holding devices 6 of the second transport vehicle group and the third transport vehicle group are opened. And (4) contracting all the stepping oil cylinders. At this time, the moving distances of the second and third transporting vehicle groups are 3 meters and 6 meters, respectively. Thus, three transport vehicle groups each completed a 6 meter trip movement. If a larger moving distance is needed, the operation can be circulated, and the train continuously moves. If the distance required to move is less than 6 meters, the stepping oil cylinder only needs to stretch and retract by partial stroke.
The utility model discloses combine and adopt working face mobile device train device is for the fulcrum through two transport vechicle groups at foremost and rearmost end, embraces the rail braking in turn, removes, realizes advancing of whole equipment train device. And the reciprocating circulation can complete the required movement of the equipment train device.
The utility model discloses combine and adopt working face mobile device train device can make pump station and mobile substation along with combine to adopt the working face and impel in step. The mobile train can supply power and liquid to the fully mechanized coal mining face in a short distance, so that the accident rate is reduced, and the working efficiency of the fully mechanized coal mining face is ensured.
The device for moving the equipment train on the fully mechanized mining face of the coal mine does not need to be additionally provided with a hydraulic power source, the stepping oil cylinder is made to stretch out and draw back through a hydraulic pipeline system by means of a pump station on the working face of a transport vehicle through local or remote control operation, and the front and rear train sets alternately carry out rail holding braking by taking each train set as a fulcrum, so that the equipment train set moves forwards in a stepping way and circulates in a reciprocating way, and the movement of the equipment train is completed. Greatly improves the working efficiency, greatly shortens the transportation and maintenance time of the working face of the mining face and improves the efficiency of the coal mining machine.
Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Those of ordinary skill in the art will understand that: modifications can be made to the technical solutions described in the foregoing embodiments, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. The mobile equipment train device for the fully mechanized coal mining face is characterized by comprising at least two transport vehicle groups (100), wherein each transport vehicle group (100) comprises at least one mining flat transport vehicle (3); the adjacent transport vehicle groups (100) are connected with each other through a driving cylinder (7), a braking device is arranged on each transport vehicle group (100), the braking device is an rail clamping device (6), the rail clamping device (6) comprises a hydraulic oil cylinder (61), a braking spring (62) and a pincerlike rail clamping clamp (63), the rail clamping device (6) has a clamping braking state and a releasing state,
in the holding braking state, the braking spring (62) applies spring force to the pincerlike rail clamping clip (63) to enable the jaw of the pincerlike rail clamping clip (63) to be folded to clamp the rail (4) to form braking;
in the release state, the hydraulic oil cylinder (61) acts to overcome the elastic force of the brake spring (62) so that the jaw of the clamp-shaped rail clamping clamp (63) is opened, and the brake is released.
2. The coal mine fully mechanized mining face mobile device train apparatus of claim 1,
the driving cylinder (7) is powered by a hydraulic pump station (1), the hydraulic pump station (1) is a pump station for a working face, and the hydraulic pump station is arranged on any one mining flat transport vehicle (3) of the coal mine fully-mechanized mining working face mobile equipment train device.
3. The coal mine fully mechanized mining face mobile equipment train device according to claim 1, wherein the actuation of the driving cylinder is controlled by a control valve, the control valve is a manual-electric integrated control valve (2), and the mobile equipment train device comprises a remote controller capable of wirelessly controlling the manual-electric integrated control valve (2).
4. The coal mine fully mechanized mining face mobile equipment train device according to claim 1, characterized in that four rail embracing devices (6) are provided on each mine flat transport vehicle (3), two of the four rail embracing devices (6) are in one group, two groups of rail embracing devices (6) are arranged at intervals in the front-rear direction, and two rail embracing devices (6) in the same group are arranged in bilateral symmetry.
5. The coal mine fully mechanized mining face mobile equipment train device of claim 1, wherein a clamping surface of the clamp-shaped rail clamp (63) of the rail clamping device (6) is provided with a sparkless liner plate.
6. The coal mine fully mechanized mining face mobile equipment train device according to claim 1, wherein the hydraulic cylinder (61) is powered by a hydraulic pump station (1), and the hydraulic pump station (1) is a pump station for a working face and is arranged on any one of the mine flat plate transport vehicles (3) of the coal mine fully mechanized mining face mobile equipment train device.
7. The coal mine fully mechanized mining face mobile device train arrangement according to any of the claims 1 to 6, characterized in that at least one of the transport blocks (100) comprises at least two mining flat carriers (3), adjacent mining flat carriers (3) in the same transport block being interconnected by means of a coupling plug (8), or each transport block (100) comprises only one mining flat carrier (3),
the adjacent mining flat transport vehicles (3) of the adjacent transport vehicle groups (100) are connected with each other through the driving cylinder (7), and the driving cylinder (7) is a stepping oil cylinder.
8. The coal mine fully mechanized mining face mobile device train apparatus of claim 7,
the number of the stepping oil cylinders arranged between the adjacent mining flat transport vehicles (3) of the adjacent transport vehicle groups (100) is one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921393095.2U CN211032579U (en) | 2019-08-26 | 2019-08-26 | Coal mine fully-mechanized coal mining face mobile equipment train device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921393095.2U CN211032579U (en) | 2019-08-26 | 2019-08-26 | Coal mine fully-mechanized coal mining face mobile equipment train device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417693A (en) * | 2021-07-13 | 2021-09-21 | 晋能控股煤业集团同忻煤矿山西有限公司 | Safe migration method for steep slope below mine fully mechanized mining equipment train |
| CN113895899A (en) * | 2021-10-26 | 2022-01-07 | 中国煤炭科工集团太原研究院有限公司 | Underground movable material storage system and method for coal mine |
| CN116279641A (en) * | 2023-02-03 | 2023-06-23 | 煤炭科学研究总院有限公司 | Pushing method and pushing machine |
-
2019
- 2019-08-26 CN CN201921393095.2U patent/CN211032579U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417693A (en) * | 2021-07-13 | 2021-09-21 | 晋能控股煤业集团同忻煤矿山西有限公司 | Safe migration method for steep slope below mine fully mechanized mining equipment train |
| CN113417693B (en) * | 2021-07-13 | 2023-06-13 | 晋能控股煤业集团同忻煤矿山西有限公司 | Safety migration method for mining fully-mechanized mining equipment under steep slope |
| CN113895899A (en) * | 2021-10-26 | 2022-01-07 | 中国煤炭科工集团太原研究院有限公司 | Underground movable material storage system and method for coal mine |
| CN113895899B (en) * | 2021-10-26 | 2023-03-14 | 中国煤炭科工集团太原研究院有限公司 | Underground movable material storage system and method for coal mine |
| CN116279641A (en) * | 2023-02-03 | 2023-06-23 | 煤炭科学研究总院有限公司 | Pushing method and pushing machine |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |