CN110466559A - The self-locking buffer brake device of prevention of sliding-down in inclined well unhook - Google Patents
The self-locking buffer brake device of prevention of sliding-down in inclined well unhook Download PDFInfo
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- CN110466559A CN110466559A CN201910769117.9A CN201910769117A CN110466559A CN 110466559 A CN110466559 A CN 110466559A CN 201910769117 A CN201910769117 A CN 201910769117A CN 110466559 A CN110466559 A CN 110466559A
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- brake device
- rail
- locking
- hole
- buffer brake
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- 230000002265 prevention Effects 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 230000003139 buffering effect Effects 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 230000001960 triggered effect Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 5
- 230000035939 shock Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000005477 standard model Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H7/00—Brakes with braking members co-operating with the track
- B61H7/02—Scotch blocks, skids, or like track-engaging shoes
- B61H7/04—Scotch blocks, skids, or like track-engaging shoes attached to railway vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H7/00—Brakes with braking members co-operating with the track
- B61H7/12—Grippers co-operating frictionally with tracks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Vibration Dampers (AREA)
Abstract
The invention belongs to pit gear technical fields, are related to buffer-braking equipment, and in particular to the self-locking buffer brake device of a kind of prevention of sliding-down in inclined well unhook, comprising: be mounted on the buffer brake device of mine car bottom；Rail locking system for being locked on rail, the rail locking system is connect with buffer brake device, for providing fixed point for buffer brake device；The linkage trigger device being locked on rail for triggering rail locking system, the linkage trigger device are connect with adjacent upper mine car, trigger the linkage trigger device when adjacent mine car is detached from.Present invention eliminates essential mechanical interception systems in the prior art, realize steady buffer-braking at bunching unhook sport car initial stage, effectively avoid derailing from colliding, eliminate safe hidden trouble.
Description
Technical field
The invention belongs to pit gear technical fields, are related to buffer-braking equipment, and in particular to a kind of prevention of sliding-down in inclined well
Break off relations self-locking buffer brake device.
Background technique
Use of the anti-running device for incline in slope tunnel is transported has many decades, is broadly divided into following several:
The first is rigid barriers, i.e., when the sport cars such as unhook occur in the transport of inclined shaft tunnel, closes lattice door implementation and block
It cuts, when interception is rigid collision, and without any fender system, buffering effect and safety are excessively poor.
Second is that frictionally, when finding transport mine car sport car by velocity measuring means, starting intercepts fence in time,
Fence drive connection rope start buffer brake device, frictional buffer brake device its be typically presser type and friction plate
Formula can not demarcate when brake force is due to braking with the variation of pretightning force and temperature, therefore brake force not can guarantee.Frictionally lean on
Frictional force between kinematics and static friction pair provides brake force, and applying working condition perhaps be failure to actuate by the several years, once it is failure to actuate for a long time, in well
Under the action of lower moist, dust and chemical gas medium, friction pair can corrode that rust is dead, and pre-tighten elastic force can extension at any time become
Change is very big, and the brake force of relevant device not can guarantee.Practical buffer unit it is ineffective, there are some potential safety problemss.
The third is steel band type, publication number CN2570232Y, entitled " vertical-lift system overwind distance internal plastic non-return
Buffer unit " is the patent of my company, and is that domestic be put forward for the first time absorbs promotion using the plastic deformation of steel band metal material
The buffer unit that the kinetic energy of container is braked is widely used in each vertical in the whole nation at present, but for inclined shaft, because of environment
Condition is different, can not lay use.Publication No. " 109263682 A of CN ", entitled " prevention of sliding-down in inclined well disc type steel band flow
The Chinese invention patent of buffer brake device " is also the patent of my company, is the identification of monitoring center, domestic first passage country
Success utilizes buffer-braking of the steel band plastic deformation and energy-absorbing for inclined shaft tub, though effectively meet wanting for existing safety code
It asks.But the buffer-braking of all various forms of prevention of sliding-down in inclined well in current mine is rigid interception, is inevitably existed
Derailing, collision, equipment and the different degrees of damage of material, at the same derail, collide, materials casting is difficult to avoid that there are still some
Security risk.
In conclusion main problem existing in the prior art includes: that mine car intercepts derailing, mine car and contained equipment and object
Material collision damage, shock loading is excessive, lays difficulty, and use scope is limited, use environment is poor, use cost is high etc..
Summary of the invention
The purpose of the present invention is to provide a kind of self-locking buffer brake devices of prevention of sliding-down in inclined well unhook, and present invention eliminates existing
There is essential mechanical interception system in technology, realizes steady buffer-braking at bunching unhook sport car initial stage, effectively avoid taking off
Rail collision, eliminates safe hidden trouble.
To achieve the above object, the technical solution used in the present invention is:
The self-locking buffer brake device of a kind of prevention of sliding-down in inclined well unhook characterized by comprising be mounted on 1 bottom of mine car
Buffer brake device；Rail locking system for being locked on rail 2, the rail locking system and buffer brake device connect
It connects, for providing fixed point for buffer brake device；The linkage triggering dress being locked on rail 2 for triggering rail locking system
It sets, the linkage trigger device is connect with adjacent upper mine car 1, and the linkage triggering dress is triggered when adjacent mine car 1 is detached from
It sets.
Further, the buffer brake device is steel band buffer brake device 9.
Further, the steel band buffer brake device 9 includes shell 91 and steel band 92, set in the shell 91 there are three
Above pressure roller 93, the steel band 92 are bent around all pressure rollers 93.
Further, the rail locking system includes cutting ferrule 11 and pull handle 13, and described 11 one end of cutting ferrule is equipped with one downwards
The limiting section 21 of extension；11 other end of cutting ferrule is equipped with shaft hole, is equipped with shaft 14 in the shaft hole；Under the shaft 14
End is equipped with cam 15, and the cam 15 forms one for blocking 2 notch of rail with limiting section 21；14 upper end of shaft
It is fixedly connected in the middle part of pull handle 13；The second torsional spring 16 rotated for drive shaft 14 is also arranged in the shaft 14；It is described
Limiting through hole is additionally provided on cutting ferrule 11, face rail 2 in the limiting through hole；Be equipped in the limiting through hole with limiting through hole etc.
Long thimble 17, limiting through hole is stretched out in lower half portion to the thimble 17 under gravity；One end of the pull handle 13 passes through
Wirerope 10 is fixedly connected with the steel band 92, and the other end of the pull handle 13 offers pin hole, is inserted in the pin hole
Pin 18,18 lower end of pin are inserted in the limiting through hole, fall on thimble 17.
Further, 15 lower end of cam is equipped with the limit shift fork 19 for clasping rail 2.
Further, the bushing 20 for increasing frictional force is also cased on the cam 15.
Further, the linkage trigger device includes fulcrum 3, and the fulcrum 3 is mounted on mine car 1 by support 4, institute
The first torsional spring 8 for being arranged on fulcrum 3 and rotating for fulcrum 3 is stated, 3 both ends of fulcrum are respectively provided with a swing arm 7, each swing arm
7 one rail locking system of connection, are connected between the swing arm 7 and rail locking system by automatic releasing device；The mine
Locking plate 5 is additionally provided on vehicle 1, the locking plate 5 is equipped with locking hole, is equipped on the fulcrum 3 with the locking hole corresponding position
Lock pin 6 is inserted in pin hole, the locking hole and the pin hole jointly, the lock pin 6 is associated with upper mine car 1.
Further, the swing arm 7 and cutting ferrule 11 are hinged by break pin 12.
The invention has the benefit that
(1) invention eliminates essential mechanical interception system in the prior art, when bunching takes off vehicle, automatic touching immediately
Hair starting steel band buffer brake device realizes steady buffer-braking at the initial stage that de- vehicle occurs.It effectively avoids derailing from colliding, eliminates
Security risk.And the apparatus structure is simple, convenient for installation and maintenance, motion stability is reliable, and safety greatly improves.The present invention passes through
Machinery triggering, lock rail, the avoidable rigidity of steel band flow device intercept collision and realize smoothly buffer-braking, and constant braking force can
It controls and visual different operating conditions is customized.This buffer brake device eliminates essential machinery in various conventional buffer brakings
Intercepting system derails, turns over when not only avoiding the generation of live insecure environments in tunnel, and fundamentally having prevented braking
Vehicle, mine car and contained equipment and material damage, it is outer throwing and pedestrian, equipment and tunnel safety accident.It is further reduced mining
Security risk when inclined shaft tub.
(2) braking shock loading in source is smaller: existing various technologies cannot brake in time when sport car occurs, sport car palpus
When going to be equipped with blocking apparatus position, implementation braking just can be passively intercepted, sport car is freely added due to out of control before this along inclined-plane at this time
Speed operation, shock loading and energy are increased rapidly with the increase of range ability with several times or decades of times, are increased to buffer-braking
Difficulty.This technology starts buffering braking system once sport car occurs immediately, from the increase of source control impact energy.Compared to existing
There is its shock loading of technology smaller.
(3) avoid derailing from colliding without mechanical interception: this technology eliminates mine car mechanical interception device, fundamentally solves
The rigid collision of derailing when mine car intercepts, mine car and mine car, mine car and equipment, mine car and article material etc., avoids damage etc.
Loss.
(4) system performance is reliable: this system is the control of full machine automatization, using when spring energy-storage and sport car existing for itself
Buffer-braking is implemented in energy, machinery triggering starting.There is no any automatically controlled and electric components, avoids in underground bad working environments
Under, through moisture, dust, chemical gas, service life, the influence of the environmental factors to electricity piece such as electrostatic, increase the reliable of equipment
Property.
(5) use scope is broad: space of the former technology due to needing to occupy inclined shaft tunnel two sides, intercepts basis for laying
And interception facility thereon, so that much the inclined gallery with pedestrian passage can not be laid.Simultaneously for the long ramp for being greater than 300 meters
Inclined gallery, the energy absorber of existing each standard model reached the upper limit or lay it is very uneconomical.This technology space limitation free from interception, no
By ramp length limitation, its application range is considerably increased
(6) security context is good: this technology becomes external passive interception as mine car internal detent, and interception dress is eliminated in inclined gallery
It sets, avoids interception collision, eliminate the hidden danger of the damage of rigid collision equipment, roadway and personal safety, and to lead to safely
Road is unblocked, effectively improves security context.
(7) use cost is low: according to the status of national associated safety regulatory requirements and existing various energy absorbers, various forms
Prevent-moving car wave third gear in inclined gallery laying about need within 300 meters, and must to underworkings many places excavate setting coagulation
Earth foundation arrangement intercepts equipment, for the inclined gallery on the especially km of overlength ramp, not only lays difficult but also at high cost
It is high.This technology because buffering braking system be arranged in mine car bottom, do not set interception equipment, be not required to concrete foundation and with ramp length
It is unrelated, therefore not only live deployment cost is low, but also its setup cost is lower for long ramp, advantage is bigger.Former technology simultaneously
Once intercepting, original interception collision equipment need to be replaced in time more increases use cost.
(8) lay convenient for installation and maintenance: former technology needs to excavate filling in track both sides enough since shock loading is big
Concrete foundation is to install interception equipment, since underground is limited, so that installation is constant, while de- vehicle once occurs, necessarily occurs
Collision and damage are intercepted, collision equipment need to be replaced in time, so that installation maintenance is inconvenient.This technology structure is simple, motion stability, peace
Complete reliable, for this buffer brake device once there is de- vehicle, there is no components to damage, so that it is extremely convenient to install and use maintenance.
Detailed description of the invention
Fig. 1 is front schematic view of the invention.
Fig. 2 is schematic top plan view of the invention.
Fig. 3 is the schematic diagram of rail locking system.
Fig. 4 is the schematic diagram of steel band buffer brake device.
In figure: mine car 1, rail 2, fulcrum 3, support 4, locking plate 5, lock pin 6, swing arm 7, the first torsional spring 8, steel band buffering
Brake apparatus 9, wirerope 10, cutting ferrule 11, break pin 12, pull handle 13, shaft 14, cam 15, the second torsional spring 16, thimble 17, pin
Nail 18 limits shift fork 19, bushing 20, limiting section 21, shell 91, steel band 92, pressure roller 93.
Specific embodiment
For a better understanding of the present invention, technical solution of the present invention is done further below with reference to embodiment and attached drawing
Explanation.
A kind of self-locking buffer brake device of prevention of sliding-down in inclined well unhook, as shown in Figure 1,2,3, 4, comprising:
It is mounted on the buffer brake device of 1 bottom of mine car, the buffer brake device is steel band buffer brake device 9, such as
Shown in Fig. 4, the steel band buffer brake device 9 includes shell 91 and steel band 92, sets that there are three above pressures in the shell 91
Roller 93, the steel band 92 are bent around all pressure rollers 93.
Rail locking system for being locked on rail 2, the rail locking system are connect with buffer brake device, are used
In providing fixed point for buffer brake device.As shown in Figure 2,3, the rail locking system includes cutting ferrule 11 and pull handle 13, institute
11 one end of cutting ferrule is stated equipped with a limiting section 21 extended downwardly；11 other end of cutting ferrule is equipped with shaft hole, in the shaft hole
Equipped with shaft 14；14 lower end of shaft is equipped with cam 15, and the cam 15 forms one for blocking rail 2 with limiting section 21
Notch；It is fixedly connected in the middle part of 14 upper end of shaft and pull handle 13；It is also arranged in the shaft 14 for drive shaft
Second torsional spring 16 of 14 rotations；Limiting through hole is additionally provided on the cutting ferrule 11, face rail 2 in the limiting through hole；The limit
The thimble 17 isometric with limiting through hole is equipped in the through-hole of position, stretching limit in lower half portion is logical under gravity for the thimble 17
Hole；One end of the pull handle 13 is fixedly connected by wirerope 10 with the steel band 92, and the other end of the pull handle 13 offers
Pin hole is inserted with pin 18 in the pin hole, and 18 lower end of pin is inserted in the limiting through hole, falls on thimble 17.
15 lower end of cam is equipped with the limit shift fork 19 for clasping rail 2, and limit shift fork 19 is fixedly mounted on 14 lower end of shaft.Institute
State the bushing 20 being also cased on cam 15 for increasing frictional force.
The linkage trigger device being locked on rail 2 for triggering rail locking system, the linkage trigger device and phase
Adjacent upper mine car 1 connects, and triggers the linkage trigger device when adjacent mine car 1 is detached from.As shown in Figure 1, the linkage touching
Transmitting apparatus includes fulcrum 3, and the fulcrum 3 is mounted on mine car 1 by support 4, is arranged on the fulcrum 3 and revolves for fulcrum 3
The first torsional spring 8 turned, 3 both ends of fulcrum are respectively provided with a swing arm 7, and each swing arm 7 connects a rail locking system, described
By automatic releasing device connection, (such as described swing arm 7 is cut with scissors with cutting ferrule 11 by break pin 12 between swing arm 7 and rail locking system
Connect), two rail locking systems are located at two rail, 2 top；Locking plate 5, the locking plate are additionally provided on the mine car 1
5 are equipped with locking hole, are equipped with pin hole, the locking hole and the pin hole with the locking hole corresponding position on the fulcrum 3
It is inside inserted with lock pin 6 jointly, the lock pin 6 is connected with upper mine car 1 by out of stock rope.
Trigger theory and braking process of the invention:
The present invention is arranged in inclined gallery and runs on mine car and associated high-order mine car.
In inclined shaft tunnel when operation mine car 1 is detached from, since the mine car 1 is with respect to 1, one section mine car of adjacent superior
It moves, so that lock pin 6 is extracted out automatically by the trigger tether (bar) of upper mine car 1；Lock pin 6 is once extract out, and fulcrum 3 is first
It is rotated under the action of 8 torsion of torsional spring and gravity, rail 2 is fallen under cutting ferrule 11, thimble 17 is jacked up by rail 2, and thimble 17 is again by pin
18 ejection limiting through hole of nail；Pin 18 is just to pull handle 13 without restriction effect, effect of the shaft 14 in 16 torsion of the second torsional spring
Lower rotation；Shaft 14 is rotated with moving cam 15 (or eccentric wheel), so that rail 2 is locked, limit shift fork 19 (or eccentric limit
Plate) it also rotates to the recess portion among rail 2, rail 2 is surrounded, cutting ferrule 11 is prevented to be detached from from rail 2；When the power that mine car 1 glides
Greater than the tolerance range of break pin 12, break pin 12 is disconnected, so that swing arm 7 is separated with cutting ferrule 11；Continue in downslide in mine car 1,
Since pull handle 13 is connect with steel band 92 by wirerope 10, pull handle 13 is fixed on rail 2 again, and wirerope 10 pulls steel band
92, the running energy of mine car 1 is absorbed by the metal plastic deformation in 92 extraction process of steel band, to export constant braking
Power, with the extraction of steel band 92, the operation energy of mine car 1 is constantly absorbed, and until operation stopping, being extracted the length of steel band 92
The as effective brake stroke length of the device realizes the steady buffer-braking of mine car 1.
Described above is only Application Example of the invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore according to equivalence changes made by scope of the present invention patent, still belongs to protection scope of the present invention.
Claims (8)
- The self-locking buffer brake device 1. a kind of prevention of sliding-down in inclined well breaks off relations characterized by comprising be mounted on mine car (1) bottom Buffer brake device；Rail locking system for being locked on rail (2), the rail locking system and buffer brake device Connection, for providing fixed point for buffer brake device；The linkage touching being locked on rail (2) for triggering rail locking system Transmitting apparatus, the linkage trigger device are connect with adjacent upper mine car (1), are triggered when adjacent mine car (1) is detached from described Driven triggering device.
- The self-locking buffer brake device 2. prevention of sliding-down in inclined well according to claim 1 breaks off relations, which is characterized in that the buffering system Dynamic device is steel band buffer brake device (9).
- The self-locking buffer brake device 3. prevention of sliding-down in inclined well according to claim 2 breaks off relations, which is characterized in that the steel band is slow Rushing brake apparatus (9) includes shell (91) and steel band (92), sets that there are three above pressure rollers (93) in the shell (91), described Steel band (92) is bent around all pressure rollers (93).
- The self-locking buffer brake device 4. prevention of sliding-down in inclined well according to claim 3 breaks off relations, which is characterized in that the rail lock Locking apparatus includes cutting ferrule (11) and pull handle (13), and described cutting ferrule (11) one end is equipped with a limiting section (21) extended downwardly；It is described Cutting ferrule (11) other end is equipped with shaft hole, is equipped with shaft (14) in the shaft hole；Shaft (14) lower end is equipped with cam (15), the cam (15) and limiting section (21) form one for blocking rail (2) notch；Shaft (14) upper end It is fixedly connected with pull handle (13) middle part；The second torsional spring for drive shaft (14) rotation is also arranged on the shaft (14) (16)；It is additionally provided with limiting through hole on the cutting ferrule (11), face rail (2) in the limiting through hole；It is set in the limiting through hole Have the thimble isometric with limiting through hole (17), limiting through hole is stretched out in lower half portion to the thimble (17) under gravity；Institute The one end for stating pull handle (13) is fixedly connected by wirerope (10) with the steel band (92), and the other end of the pull handle (13) opens up There is pin hole, be inserted in the pin hole pin (18), pin (18) lower end is inserted in the limiting through hole, falls in thimble (17) on.
- The self-locking buffer brake device 5. prevention of sliding-down in inclined well according to claim 4 breaks off relations, which is characterized in that the cam (15) lower end is equipped with the limit shift fork (19) for clasping rail (2).
- The self-locking buffer brake device 6. prevention of sliding-down in inclined well according to claim 4 breaks off relations, which is characterized in that the cam (15) bushing (20) for increasing frictional force is also cased on.
- 7. according to the self-locking buffer brake device of the unhook of prevention of sliding-down in inclined well described in claim 4,5 or 6, which is characterized in that described The trigger device that links includes fulcrum (3), and the fulcrum (3) is mounted on mine car (1) by support (4), is covered on the fulcrum (3) Equipped with the first torsional spring (8) for fulcrum (3) rotation, fulcrum (3) both ends are respectively provided with a swing arm (7), each swing arm (7) A rail locking system is connected, is connect between the swing arm (7) and rail locking system by automatic releasing device；The mine Be additionally provided on vehicle (1) locking plate (5), the locking plate (5) is equipped with locking hole, on the fulcrum (3) with the locking hole pair Should locate to be equipped with pin hole, be inserted with jointly lock pin (6) in the locking hole and the pin hole, the lock pin (6) with it is upper Mine car (1) association.
- The self-locking buffer brake device 8. prevention of sliding-down in inclined well according to claim 7 breaks off relations, which is characterized in that the swing arm (7) hinged by break pin (12) with cutting ferrule (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910769117.9A CN110466559B (en) | 2019-08-20 | 2019-08-20 | Inclined shaft anti-sliding car unhooking self-locking buffer brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910769117.9A CN110466559B (en) | 2019-08-20 | 2019-08-20 | Inclined shaft anti-sliding car unhooking self-locking buffer brake device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110466559A true CN110466559A (en) | 2019-11-19 |
| CN110466559B CN110466559B (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910769117.9A Active CN110466559B (en) | 2019-08-20 | 2019-08-20 | Inclined shaft anti-sliding car unhooking self-locking buffer brake device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110775081A (en) * | 2019-11-26 | 2020-02-11 | 广州力寄采矿设备有限公司 | A Brakeable Transport Mining Cart for Mineral Transport in Mine |
| CN111267881A (en) * | 2020-03-04 | 2020-06-12 | 张桂花 | Freight car for railway construction |
| CN118082909A (en) * | 2024-04-19 | 2024-05-28 | 江苏群星矿用机械有限公司 | A brake device for steel wire rope traction rail-carrying vehicle in coal mines |
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| CN202463840U (en) * | 2012-02-29 | 2012-10-03 | 徐州泰荣煤矿设备有限公司 | Steel belt type buffering force-changing and energy-absorbing device for preventing vehicles from sliding in inclined shaft |
| CN203237254U (en) * | 2013-05-10 | 2013-10-16 | 金力 | Self-braking inclined shaft catcher |
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| CN205997891U (en) * | 2016-07-15 | 2017-03-08 | 徐州工程学院 | Unidirectional disc spring brake type mine car with middle braking rail |
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| CN109532936A (en) * | 2018-12-29 | 2019-03-29 | 河北省安全生产监督管理局安全科学技术中心(河北省危险化学品登记注册办公室) | The anti-race accident-free vehicle of inclined shaft hoisting automatic braking |
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| CN110775081A (en) * | 2019-11-26 | 2020-02-11 | 广州力寄采矿设备有限公司 | A Brakeable Transport Mining Cart for Mineral Transport in Mine |
| CN111267881A (en) * | 2020-03-04 | 2020-06-12 | 张桂花 | Freight car for railway construction |
| CN111267881B (en) * | 2020-03-04 | 2021-04-20 | 齐齐哈尔农垦鑫发精密铸造有限公司 | Freight car for railway construction |
| CN118082909A (en) * | 2024-04-19 | 2024-05-28 | 江苏群星矿用机械有限公司 | A brake device for steel wire rope traction rail-carrying vehicle in coal mines |
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