CN206570752U - A kind of mine track obstacle automatic cleaning apparatus - Google Patents
A kind of mine track obstacle automatic cleaning apparatus Download PDFInfo
- Publication number
- CN206570752U CN206570752U CN201720161292.6U CN201720161292U CN206570752U CN 206570752 U CN206570752 U CN 206570752U CN 201720161292 U CN201720161292 U CN 201720161292U CN 206570752 U CN206570752 U CN 206570752U
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- Prior art keywords
- electric locomotive
- track
- mileage
- fixing hole
- fix bar
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Abstract
The utility model discloses a kind of mine track obstacle automatic cleaning apparatus, obstacle detection mechanism is provided with front end of the electric locomotive along track direction of advance：Including baffle plate, one plate face of baffle plate is provided with fix bar, one end of fix bar is fixed on baffle plate, the other end is fixed with limited block, the front end of electric locomotive is provided with the fixing hole being adapted with fix bar and limited block, fix bar and limited block sliding axially along fixing hole, the diameter of limited block are more than the openend diameter of fixing hole and less than the internal diameter of fixing hole；Axial bottom is provided with pressure sensor in fixing hole.Detection means also includes controller, mileage logger and the display device in electric locomotive.It is provided with electric locomotive in material holding chamber, material holding chamber and is connected with feed pipe and the blower fan being controlled by the controller.Cross obstacle detection device and mileage recorder is combined, carry out track obstacle detection, while automatic removing obstacles can be realized, underworker is accurately positioned and removed to barrier.
Description
Technical field
The utility model is related to a kind of underground coal mine conveying arrangement, and in particular to a kind of mine track obstacle clears up dress automatically
Put.
Background technology
In the production process of mine, the top plate in tunnel and two portions of side helped often have spoil inbreak, or artificially
Some rubbish of manufacture, will so influence the transport of electric locomotive in mine and mine car, there is the hidden danger that mine car or electric locomotive slide down, need
Add and send special miner to clear up track, increase the task amount of workman, expend substantial amounts of manpower and materials, while cleaning
During there is also certain risk, the spoil of the top plate in tunnel and two portion of the side inbreaks frequently helped may injure cleaning rail by a crashing object
The workman in road.
Utility model content
Technical problem to be solved in the utility model is some artificial refuse goods on tunnel in Mine Production
Or the spoil of inbreak will influence the normal transport of electric locomotive in mine and mine car, there is larger potential safety hazard, it is therefore intended that provide
A kind of mine track obstacle automatic cleaning apparatus, crosses obstacle detection device and mileage recorder is combined, and carries out track barrier
Hinder detection, while automatic removing obstacles can be realized, underworker is accurately positioned and removed to barrier.
The utility model is achieved through the following technical solutions：
A kind of mine track obstacle automatic cleaning apparatus, including electric locomotive, the electric locomotive bottom are provided with and coal mine roadway
The pulley that inner orbit is adapted, front end of the electric locomotive along track direction of advance is provided with obstacle detection mechanism；
The obstacle detection mechanism includes baffle plate, and a plate face of the baffle plate is provided with fix bar, the one of the fix bar
End is fixed on baffle plate, the other end is fixed with limited block, and the front end of the electric locomotive is provided with to be adapted with fix bar and limited block
Fixing hole, the fix bar and limited block sliding axially along fixing hole, the diameter of the limited block is more than opening for fixing hole
Mouth end diameter and the internal diameter for being less than fixing hole；Axial bottom is provided with pressure sensor in the fixing hole；
The detection means also includes controller, mileage logger and the display device in electric locomotive, described
Pressure sensor will monitor the pressure size being subject in real time, and the pressure information of detection is sent into controller；The controller
For receiving the pressure information of the pressure sensor transmission, and it is connected with the input of mileage logger to mileage
Logger sends control instruction；The mileage logger is used for the control instruction for receiving controller, is recorded and is stored
Electric locomotive current driving mileage；The display device is connected with the output end of mileage logger, for reading simultaneously display line
The stroke mileage information of car kilometer logger memory storage；
Material holding chamber is provided with the electric locomotive, the bottom of the material holding chamber is provided with material suction inlet, the material suction inlet
On feed pipe is installed, the feed pipe be located in material holding chamber and feed pipe Single port and ft connection and direction
Track, the another port of feed pipe in material holding chamber with connecting；The top of the material holding chamber is provided with exhaust outlet, the exhaust outlet
Blower fan is installed, the blower fan is driven by servomotor, and the input of the servomotor is connected with controller, for receiving control
The control instruction of device processed.
Obstacle detection mechanism described in the utility model is mainly used in barrier in sense, while touching pressure sensing
Device, current motor car position is recorded by every trade car kilometer logger, and staff need to only be read and aobvious by display
Show that the stroke mileage of record may know that position of the barrier in tunnel, staff carries out rapidly clear in time according to positioning
Reason.
Operation principle is：Electric locomotive is moved under the drive of motor in tunnel along track, exist in orbit coal cinder or
During the barriers such as rubbish, stopped by barrier, the baffle plate located at electric locomotive front end is squeezed, the fix bar on baffle plate
Also it is squeezed to fixing hole basal sliding simultaneously with block, when the free end face of block arrives to fixing hole bottom, to pressure
Sensor produces pressure effect；Pressure sensor is sensed after pressure, and the pressure information of detection is sent to controller, and controller connects
The control instruction for starting record, mileage are inputted when the pressure value of receipts is more than or equal to given threshold to mileage logger
Logger starts to carry out recording the current mileage of electric locomotive at regular intervals；In the presence of not having obstacle on track, controller connects
When the pressure value of receipts is less than given threshold, controller inputs the control instruction for putting forward stop recording, driving to mileage logger
Odograph stop recording.
Finally, the barrier between two one steel rails of track is trapped within then by the suction function in the material holding chamber of electric locomotive
Under pass sequentially through material suction inlet and feed pipe suction material holding chamber in.Electric locomotive of the present utility model is being run over along along track
Cheng Zhong, when there is barrier on track, partial impairment thing or is trapped between two one steel rail in orbit, when barrier passes through
Baffle plate is touched after pressure sensor, and controller also starts servomotor while mileage logger record is started, and watches
Take motor driving blower fan to rotate, make to produce stronger negative pressure in material holding chamber in the presence of blower fan, when the material in material holding chamber is inhaled
When entrance is moved to above the barrier of lower section, feed pipe is sucked by negative pressure, because the internal diameter of material holding chamber is much larger than feed pipe
The caliber in road, when barrier is suctioned out from the port of export of feed pipe, pressure drop reduces, and barrier can be due to big by Action of Gravity Field
Dropped in suction function in material holding chamber bottom.So as to reach the effect for removing barrier on track, and it is mainly used in clearing up body
The less colliery of product or artificial refuse.
Preferably, the free port of the feed pipe is parallel with plane where the track.
The parallel structure of plane where by the way that the free port of feed pipe is set into the track, is prevented from feed pipe
The barrier of suction is directly dropped in track again at the free port of feed pipe due to change in pressure drop from feed pipe
On.
Preferably, the exhaust outlet in the material holding chamber is provided with screen pack.
Due to there is the dust such as more coal dust in tunnel on ground, by setting screen pack in exhaust outlet, be conducive to preventing
Given off during barrier of the electric locomotive on track is cleared up it is more contain dusty gas, cause larger contamination.
Preferably, the screen pack outer cover is provided with catch net.
Because the hardness of the block impurity such as coal cinder is larger, if being more than barrier by the barrier suction function of negative-pressure adsorption
The gravity of itself, then can be attracted at screen pack, and larger impact is produced to screen pack, and easy mechanical failure screen pack passes through
Catch net is set, the protection structure of iron net can be used, prevent barrier from damaging screen pack.
Preferably, be provided with spring between limited block and the fixing hole inner port, the spring be set in fix bar it is outer and
The axial line of spring is overlapped with the axial line of fix bar.
By being provided with spring between limited block and fixing hole inner port, and spring is in stress balance state, works as baffle plate
When being extruded by the barrier on track, limited block and fix bar are squeezed and press to the movement of fixing hole bottom, and now, spring is drawn
Stretch, a spring contraction active force opposite with pressure action direction, but spring contraction are produced to baffle plate, fix bar and limited block
Active force is much smaller than the pressure size that barrier is extruded, therefore spring primarily serves cushioning effect；In addition, not hindering in orbit
Hinder in the presence of thing, electric locomotive along track when moving, and block, fix bar and limited block may be because of effect of inertia certainly
Trend fixing hole basal sliding, therefore limited block can produce pressure effect to pressure sensor, except setting pressure on the controller
Outside force threshold, it can also be eliminated by setting the spring or weaken the extruding because of effect of inertia to pressure sensor such as limited block
Pressure size.
Preferably, the top view cross section of the baffle plate is in isosceles triangular structure, the drift angle direction electricity of the isosceles triangle
The direction of motor sport, the base length of side of the isosceles triangle is more than the width of the track.
By being triangular structure by baffle plate setting, the resistance of baffle plate is advantageously reduced, while by barrier to electric locomotive
Both sides are shunted, and the base length of side of isosceles triangle is more than the width of the track to push the barrier on track to electric locomotive
Both sides, prevent the normal operation and the detection to barrier on track of barrier obstruction electric locomotive.
Preferably, the pulley includes at least one pair of driving wheel, and the driving wheel is located at the rear end lower of electric locomotive, and institute
The circumferential edge for stating driving wheel is provided with the groove being adapted with the track.
In actual moving process, two one steel rails of track are made to be absorbed in the groove of pulley, contact of the increase pulley with rail
Area, is mainly used in preventing electric locomotive from being hindered to occur hanger rail by barrier.
Preferably, the electric locomotive is provided with arc-control device.
The inflammable gases such as gas are there may be in the tunnel carried out due to coal cinder, and coal cinder or coal dust are also combustibles,
Electric locomotive is, by carrying out operation in the case where driven by power is acted on, by setting arc-control device on electric locomotive, can to prevent electrical equipment work
Me is brought to go hidden danger.Pressure sensor of the present utility model, controller, mileage logger and display device are using existing
There is technology.
The utility model compared with prior art, has the following advantages and advantages：
1st, a kind of mine track obstacle automatic cleaning apparatus of the utility model, obstacle detection mechanism master described in the utility model
The barrier that is used in sense, while touching pressure sensor, pass through every trade car kilometer logger and record current motor
Car position, staff only need to be read and be shown that the stroke mileage of record is that may know that barrier in tunnel by display
Interior position, staff is rapidly cleared up in time according to positioning.Electric locomotive is under the drive of motor along rail in tunnel
Road move, when there is the barriers such as coal cinder or rubbish in orbit, stopped by barrier, located at electric locomotive front end baffle plate by
To extruding, fix bar and block on baffle plate are also squeezed to fixing hole basal sliding simultaneously, when the free end of block
When face arrives to fixing hole bottom, pressure effect is produced to pressure sensor；Pressure sensor is sensed after pressure, is sent out to controller
The pressure information that censorship is surveyed, is opened when the pressure value that controller is received is more than or equal to given threshold to the input of mileage logger
The control instruction of dynamic record, mileage logger starts to carry out recording the current mileage of electric locomotive at regular intervals；Work as track
In the presence of upper no obstacle, when the pressure value that controller is received is less than given threshold, controller is inputted to mileage logger
Put forward the control instruction of stop recording, mileage logger stop recording；
2nd, a kind of mine track obstacle automatic cleaning apparatus of the utility model, by limited block and fixing hole inner port it
Between be provided with spring, and spring is in stress balance state, when baffle plate is extruded by the barrier on track, limited block and fixation
Bar, which is squeezed, presses to the movement of fixing hole bottom, and now, spring is stretched, and one and pressure are produced to baffle plate, fix bar and limited block
The opposite spring contraction active force of action direction, but spring contraction active force is much smaller than the pressure size that barrier is extruded, therefore
Spring primarily serves cushioning effect；In addition, in orbit without in the presence of barrier, electric locomotive is moved along track
When, block, fix bar and limited block may be because of effect of inertia from trend fixing hole basal sliding, therefore limited block can be to pressure
Force snesor produces pressure effect, can also be by setting the spring to eliminate in addition to setting pressure threshold on the controller
Or weaken limited block etc. because of squeeze pressure size of the effect of inertia to pressure sensor；
3rd, a kind of mine track obstacle automatic cleaning apparatus of the utility model, is trapped between two one steel rails of track
Barrier is then passed sequentially through material suction inlet and feed pipe suction material holding chamber under the suction function in the material holding chamber of electric locomotive
It is interior.Electric locomotive of the present utility model is in journey is run over along along track, when there is barrier on track, partial impairment thing or by
Retain between two one steel rail in orbit, after barrier touches pressure sensor by baffle plate, controller is starting in driving
Journey logger also starts servomotor while record, servomotor driving blower fan is rotated, and material stock is made in the presence of blower fan
The stronger negative pressure of indoor generation, when the material suction inlet in material holding chamber is moved to above the barrier of lower section, is sucked by negative pressure
Feed pipe, because the internal diameter of material holding chamber is much larger than the caliber of feed pipe, when barrier is by the port of export suction from feed pipe
When going out, pressure drop reduces, and barrier can drop in material holding chamber bottom due to being more than suction function by Action of Gravity Field, so as to reach clear
Except the effect of barrier on track, and it is mainly used in clearing up colliery or the artificial refuse of small volume.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, constitutes the one of the application
Part, does not constitute the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the utility model part-structure schematic diagram；
Fig. 2 is the utility model overall structure diagram；
Fig. 3 is the utility model cross section structure schematic diagram；
Fig. 4 is the utility model cross section structure schematic diagram
Fig. 5 is the utility model detecting and controlling system structural representation.
Mark and corresponding parts title in accompanying drawing：1- electric locomotives, 2- pulleys, 3- obstacle detections mechanism, 31- baffle plates,
32- fix bars, 33- limited blocks, 34- fixing holes, 35- pressure sensors, 36- springs, 4- controllers, 5- mileages record
Device, 6- display devices, 7- material holding chamber, 8- material suction inlets, 9- feed pipes, 10- blower fans, 11- screen packs, 12- catch nets.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, is not intended as limiting of the present utility model.
Embodiment 1
As shown in Fig. 1~5, a kind of mine track obstacle automatic cleaning apparatus of the utility model, including electric locomotive 1, motor
The bottom of car 1 is provided with the pulley 2 being adapted with coal mine roadway inner orbit, and front end of the electric locomotive 1 along track direction of advance is provided with
Obstacle detection mechanism 3；Obstacle detection mechanism 3 includes baffle plate 31, and a plate face of baffle plate 31 is provided with fix bar 32, fix bar 32
One end is fixed on baffle plate 31, the other end is fixed with limited block 33, and the front end of electric locomotive 1 is provided with and fix bar 32 and limited block
33 fixing holes 34 being adapted, fix bar 32 and limited block 33 sliding axially along fixing hole 34, the diameter of limited block 33 is more than
The openend diameter of fixing hole 34 and the internal diameter for being less than fixing hole 34；Axial bottom is provided with pressure sensor in fixing hole 34
35.Detection means also includes controller 4, mileage logger 5 and the display device 6 in electric locomotive 1, pressure sensor
35 will monitor the pressure size being subject in real time, and the pressure information of detection is sent into controller 4, and controller 4 uses existing skill
The single-chip microcomputer of art；Controller 4 is used to receiving the pressure information that the pressure sensor 35 is transmitted, and with mileage logger 4
Input connect to mileage logger 5 send control instruction；Mileage logger 35 is used to receive controller 4
Control instruction, is recorded and is stored the current driving mileage of electric locomotive 1；Display device 6 and the output end of mileage logger 5
Connection, the stroke mileage information for reading and showing the memory storage of mileage logger 5；
Electric device room is separated into electric locomotive 1 enters and inhaled with the two parts of material holding chamber 7, the bottom of material holding chamber 7 provided with material
Feed pipe 9 is installed on entrance 8, material suction inlet 8, feed pipe 9 be located in material holding chamber 7 and feed pipe 9 one end
Mouth is with ft connection and towards track, and the another port of feed pipe 9 in material holding chamber 7 with connecting；The top of material holding chamber 7 is provided with row
Gas port, exhaust outlet and the position of material suction inlet 8 are staggered arrangement, are provided with blower fan 10 on exhaust outlet, blower fan 10 is driven by servomotor
Dynamic, the input of servomotor is connected with controller 4, the control instruction for receiving controller 4.The free end of feed pipe 9
Mouth is parallel with plane where the track.Portable power source device is carried in electric locomotive.
Embodiment 2
Further improved on the basis of embodiment 1, a kind of mine track obstacle automatic cleaning apparatus of the utility model is deposited
Expect that the exhaust outlet in room 7 is provided with screen pack 11.The outer cover of screen pack 11 is provided with catch net 12, using iron net.
Embodiment 3
Further improve, a kind of mine track obstacle automatic cleaning apparatus of the utility model, limit on the basis of embodiment 2
It is provided with spring 36 between position block 33 and the inner port of fixing hole 34, spring 36 is set in that fix bar 32 is outer and axial line of spring 36
Overlapped with the axial line of fix bar 32.
Embodiment 4
Further improve, a kind of mine track obstacle automatic cleaning apparatus of the utility model, keep off on the basis of embodiment 3
The top view cross section of plate 31 is in isosceles triangular structure, the direction that the drift angle of isosceles triangle is moved towards electric locomotive 1, described etc.
The base length of side of lumbar triangle shape is more than the width of the track.Pulley 2 includes a pair of driving wheels and a pair of driven, the driving wheel
Circumferential edge located at the rear end lower of electric locomotive 1, and driving wheel is provided with the groove being adapted with the track.On electric locomotive 1
Provided with arc-control device.
Above-described embodiment, is entered to the purpose of this utility model, technical scheme and beneficial effect
One step is described in detail, be should be understood that and be the foregoing is only embodiment of the present utility model, is not used to limit
Fixed protection domain of the present utility model, all any modifications within spirit of the present utility model and principle, made, is equally replaced
Change, improve, should be included within protection domain of the present utility model.
Claims (8)
1. a kind of mine track obstacle automatic cleaning apparatus, including electric locomotive (1), electric locomotive (1) bottom are provided with and colliery
The pulley (2) that tunnel inner orbit is adapted, it is characterised in that front end of the electric locomotive (1) along track direction of advance is provided with barrier
Hinder testing agency (3)；
The obstacle detection mechanism (3) includes baffle plate (31), and a plate face of the baffle plate (31) is provided with fix bar (32), described
One end of fix bar (32) is fixed on baffle plate (31), the other end is fixed with limited block (33), and the front end of the electric locomotive (1) is set
There is a fixing hole (34) being adapted with fix bar (32) and limited block (33), the fix bar (32) and limited block (33) are along fixation
Hole (34) slide axially, and the diameter of the limited block (33) is more than the openend diameter of fixing hole (34) and less than fixing hole
(34) internal diameter；Axial bottom is provided with pressure sensor (35) in the fixing hole (34)；
The detection means also includes controller (4), mileage logger (5) and the display device in electric locomotive (1)
(6), the pressure sensor (35) will monitor the pressure size being subject in real time, and the pressure information of detection is sent into controller
(4)；The controller (4) be used for receive the pressure sensor (35) transmission pressure information, and with mileage logger
(5) input connects to mileage logger (5) and sends control instruction；The mileage logger (5) is used to receive
The control instruction of controller (4), is recorded and is stored electric locomotive (1) current driving mileage；The display device (6) and driving
The output end connection of odograph (5), for reading and showing that the stroke mileage of mileage logger (5) memory storage is believed
Breath；
Material holding chamber (7) is provided with the electric locomotive (1), the bottom of the material holding chamber (7) is provided with material suction inlet (8), the thing
Feed pipe (9) is installed, it is interior and feed pipe (9) that the feed pipe (9) is located at material holding chamber (7) on material suction inlet (8)
Single port is with ft connection and towards track, and the another port of feed pipe (9) in material holding chamber (7) with connecting；The material holding chamber
(7) top is provided with exhaust outlet, the exhaust outlet and is provided with blower fan (10), and the blower fan (10) is driven by servomotor, institute
The input for stating servomotor is connected with controller (4), the control instruction for receiving controller (4).
2. a kind of mine track obstacle automatic cleaning apparatus according to claim 1, it is characterised in that the feed pipe
(9) free port is parallel with plane where the track.
3. a kind of mine track obstacle automatic cleaning apparatus according to claim 1, it is characterised in that the material holding chamber
(7) exhaust outlet in is provided with screen pack (11).
4. a kind of mine track obstacle automatic cleaning apparatus according to claim 3, it is characterised in that the screen pack
(11) outer cover is provided with catch net (12).
5. a kind of mine track obstacle automatic cleaning apparatus according to claim 1, it is characterised in that the limited block
(33) spring (36) is provided between fixing hole (34) inner port, the spring (36) is set in fix bar (32) outside and spring
(36) axial line is overlapped with the axial line of fix bar (32).
6. a kind of mine track obstacle automatic cleaning apparatus according to claim 1, it is characterised in that the baffle plate (31)
Top view cross section be in isosceles triangular structure, the direction that the drift angle of the isosceles triangle is moved towards electric locomotive (1) is described etc.
The base length of side of lumbar triangle shape is more than the width of the track.
7. a kind of mine track obstacle automatic cleaning apparatus according to claim 1, it is characterised in that the pulley (2)
Including at least one pair of driving wheel, the driving wheel is located at the rear end lower of electric locomotive (1), and the circumferential edge of the driving wheel is set
There is the groove being adapted with the track.
8. a kind of mine track obstacle automatic cleaning apparatus according to claim 1, it is characterised in that the electric locomotive
(1) it is provided with arc-control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720161292.6U CN206570752U (en) | 2017-02-22 | 2017-02-22 | A kind of mine track obstacle automatic cleaning apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720161292.6U CN206570752U (en) | 2017-02-22 | 2017-02-22 | A kind of mine track obstacle automatic cleaning apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206570752U true CN206570752U (en) | 2017-10-20 |
Family
ID=60059915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720161292.6U Expired - Fee Related CN206570752U (en) | 2017-02-22 | 2017-02-22 | A kind of mine track obstacle automatic cleaning apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN206570752U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107858986A (en) * | 2017-11-13 | 2018-03-30 | 顾钰锋 | Railway clears up car |
| CN108442304A (en) * | 2018-04-03 | 2018-08-24 | 芜湖超科机电设备有限公司 | A kind of track cleaning device |
| CN109019319A (en) * | 2018-08-29 | 2018-12-18 | 青岛港国际股份有限公司 | A kind of track crane track obstacle remove device and track crane |
| CN109267531A (en) * | 2018-09-10 | 2019-01-25 | 江苏冠开实业发展有限公司 | A kind of mine sliding rail rail level barrier clearing device |
| CN110093891A (en) * | 2019-05-27 | 2019-08-06 | 邯郸开发区华骐环保科技有限公司 | A kind of full-automatic road sweeper |
| CN112937626A (en) * | 2021-02-02 | 2021-06-11 | 安徽理工大学 | Storage battery electric locomotive with safety protection mechanism for coal mine auxiliary transportation |
| GB2592011A (en) * | 2020-02-11 | 2021-08-18 | Aitonomi Ag | Vehicle, system and method for railway track clearing |
-
2017
- 2017-02-22 CN CN201720161292.6U patent/CN206570752U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107858986A (en) * | 2017-11-13 | 2018-03-30 | 顾钰锋 | Railway clears up car |
| CN107858986B (en) * | 2017-11-13 | 2019-09-27 | 丁武轩 | Railway clears up vehicle |
| CN108442304A (en) * | 2018-04-03 | 2018-08-24 | 芜湖超科机电设备有限公司 | A kind of track cleaning device |
| CN108442304B (en) * | 2018-04-03 | 2020-12-11 | 连云港长和游乐设备有限公司 | Track cleaning device |
| CN109019319A (en) * | 2018-08-29 | 2018-12-18 | 青岛港国际股份有限公司 | A kind of track crane track obstacle remove device and track crane |
| CN109267531A (en) * | 2018-09-10 | 2019-01-25 | 江苏冠开实业发展有限公司 | A kind of mine sliding rail rail level barrier clearing device |
| CN110093891A (en) * | 2019-05-27 | 2019-08-06 | 邯郸开发区华骐环保科技有限公司 | A kind of full-automatic road sweeper |
| GB2592011A (en) * | 2020-02-11 | 2021-08-18 | Aitonomi Ag | Vehicle, system and method for railway track clearing |
| CN112937626A (en) * | 2021-02-02 | 2021-06-11 | 安徽理工大学 | Storage battery electric locomotive with safety protection mechanism for coal mine auxiliary transportation |
| CN112937626B (en) * | 2021-02-02 | 2022-08-30 | 安徽理工大学 | Storage battery electric locomotive with safety protection mechanism for coal mine auxiliary transportation |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171020 Termination date: 20190222 |