CN110435708A - The disconnected rope of prevention of sliding-down in inclined well, the self-locking buffer brake device of abseiling - Google Patents
The disconnected rope of prevention of sliding-down in inclined well, the self-locking buffer brake device of abseiling Download PDFInfo
- Publication number
- CN110435708A CN110435708A CN201910769791.7A CN201910769791A CN110435708A CN 110435708 A CN110435708 A CN 110435708A CN 201910769791 A CN201910769791 A CN 201910769791A CN 110435708 A CN110435708 A CN 110435708A
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- Prior art keywords
- brake device
- rail
- buffer brake
- hole
- locking
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
-
- 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
Abstract
The invention belongs to pit gear technical fields, are related to buffer-braking equipment, and in particular to a kind of disconnected rope of prevention of sliding-down in inclined well, the self-locking buffer brake device of abseiling, 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；For connecting the traction trigger mechanism of linkage trigger device and traction rope, the traction trigger mechanism is used for the triggering linkage trigger device when de- rope occurs for traction rope.Present invention eliminates essential mechanical interception systems in the prior art, realize steady buffer-braking at bunching de- rope 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
Disconnected rope, the self-locking buffer brake device of abseiling.
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 de- rope 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 disconnected rope of prevention of sliding-down in inclined well, the self-locking buffer brake device of abseiling, the present invention is taken
Disappeared essential mechanical interception system in the prior art, realizes steady buffer-braking at bunching de- rope sport car initial stage, effectively
It avoids derailing from colliding, eliminates safe hidden trouble.
To achieve the above object, the technical solution used in the present invention is:
A kind of disconnected rope of prevention of sliding-down in inclined well, the self-locking buffer brake device of abseiling characterized by comprising be mounted on 1 bottom of mine car
The buffer brake device in portion；Rail locking system for being locked on rail 2, the rail locking system and buffer-braking fill
Connection is set, for providing fixed point for buffer brake device；The linkage touching being locked on rail 2 for triggering rail locking system
Transmitting apparatus；For connecting the traction trigger mechanism of linkage trigger device and traction rope 22, the traction trigger mechanism is for leading
Triggering linkage trigger device when de- rope occurs for messenger 22.
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
It is inserted with lock pin 6 jointly in pin hole, the locking hole and the pin hole.
Further, the swing arm 7 and cutting ferrule 11 are hinged by break pin 12.
Further, the traction trigger mechanism includes the piston type rebound attachment device being mounted on mine car 1 and lever
Mechanism 27；The piston type rebound attachment device includes piston cylinder 23, piston rod 24 and retraction spring 25, the piston rod 24 1
End is inserted in piston cylinder 23, and retraction spring 25 is equipped in piston cylinder 23, is passed through back between the piston cylinder 23 and piston rod 24
Contracting spring 25 connects, and 24 other end of piston rod is connect by traction rope 22 with adjacent upper mine car 1 or winch；The work
Stopper rod 24 is equipped with connecting rod 26, and the lever mechanism 27 is connect with connecting rod 26 and lock pin 6 respectively.
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.
Fig. 5 is the schematic diagram for drawing trigger mechanism.
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, limit shift fork 19, bushing 20, limiting section 21, traction rope 22, piston cylinder 23, piston rod 24, retraction spring 25, connecting rod 26,
Lever mechanism 27, 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 disconnected rope of prevention of sliding-down in inclined well, the self-locking buffer brake device of abseiling, 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.It is also cased on the cam 15 for increasing frictional force
Bushing 20.
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.
For connecting the traction trigger mechanism of linkage trigger device and traction rope 22, the traction trigger mechanism is for leading
Triggering linkage trigger device when de- rope (disconnected rope or abseiling) occurs for messenger 22.As shown in figure 5, the traction trigger mechanism includes peace
Piston type rebound attachment device and lever mechanism 27 on mine car 1；The piston type rebound attachment device includes piston cylinder
23, piston rod 24 and retraction spring 25, described 24 one end of piston rod are inserted in piston cylinder 23, and retraction bullet is equipped in piston cylinder 23
Spring 25 is connected between the piston cylinder 23 and piston rod 24 by retraction spring 25, and 24 other end of piston rod passes through traction
Rope 22 is connect with adjacent upper mine car 1 or winch；The piston rod 24 be equipped with connecting rod 26, the lever mechanism 27 respectively with
Connecting rod 26 and lock pin 6 connect.
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, due to the mine car 1 and opposite adjacent superior mine car 1 or twist
When disconnected rope or abseiling occur for vehicle, the tractive force F of traction rope 22 is zero or substantially reduces, effect of the piston rod 24 in retraction spring 25
Lower retraction is extracted out lock pin 6 by 26 activation lever mechanism 27 of connecting rod；Lock pin 6 is once extract out, and fulcrum 3 is in the first torsional spring 8
It is rotated under the action of torsion and gravity, rail 2 is fallen under cutting ferrule 11, thimble 17 is jacked up by rail 2, and thimble 17 again pushes up pin 18
Limiting through hole out；Just to pull handle 13 without restriction effect, shaft 14 rotates pin 18 under the action of the second 16 torsion of torsional spring；
Shaft 14 is rotated with moving cam 15, to lock rail 2, limit shift fork 19 (or eccentric limit plate) is also rotated to rail 2
Recess portion, rail 2 is surrounded, prevent cutting ferrule 11 from rail 2 be detached from；When the power that mine car 1 glides is greater than the receiving model of break pin 12
It encloses, break pin 12 disconnects, so that swing arm 7 is separated with cutting ferrule 11；Continue in downslide in mine car 1, since pull handle 13 and steel band 92 are logical
The connection of wirerope 10 is crossed, pull handle 13 is fixed on rail 2 again, and wirerope 10 pulls steel band 92, passes through 92 extraction process of steel band
In metal plastic deformation absorb the running energy of mine car 1, to export constant brake force, with the extraction of steel band 92,
The operation energy of mine car 1 is constantly absorbed, and until operation stops, the length for being extracted steel band 92 is the effective brake of the device
Stroke length 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 (9)
1. a kind of disconnected rope of prevention of sliding-down in inclined well, the self-locking buffer brake device of abseiling characterized by comprising be mounted on mine car (1) bottom
The buffer brake device in portion；Rail locking system for being locked on rail (2), the rail locking system and buffer-braking
Device connection, for providing fixed point for buffer brake device；The connection being locked on rail (2) for triggering rail locking system
Driven triggering device；For connecting the traction trigger mechanism of linkage trigger device and traction rope (22), the traction trigger mechanism is used
In the triggering linkage trigger device when de- rope occurs for traction rope (22).
2. the disconnected rope of prevention of sliding-down in inclined well according to claim 1, the self-locking buffer brake device of abseiling, which is characterized in that described
Buffer brake device is steel band buffer brake device (9).
3. the disconnected rope of prevention of sliding-down in inclined well according to claim 2, the self-locking buffer brake device of abseiling, which is characterized in that described
Steel band buffer brake device (9) includes shell (91) and steel band (92), sets that there are three above pressure rollers in the shell (91)
(93), the steel band (92) is bent around all pressure rollers (93).
4. the disconnected rope of prevention of sliding-down in inclined well according to claim 3, the self-locking buffer brake device of abseiling, which is characterized in that described
Rail locking system includes cutting ferrule (11) and pull handle (13), and described cutting ferrule (11) one end is equipped with a limiting section extended downwardly
(21)；Cutting ferrule (11) other end is equipped with shaft hole, is equipped with shaft (14) in the shaft hole；Shaft (14) lower end is set
Have cam (15), the cam (15) and limiting section (21) form one for blocking rail (2) notch；The shaft
(14) it is fixedly connected in the middle part of upper end and pull handle (13)；The for drive shaft (14) rotation is also arranged on the shaft (14)
Two torsional springs (16)；It is additionally provided with limiting through hole on the cutting ferrule (11), face rail (2) in the limiting through hole；The limit is logical
The thimble (17) isometric with limiting through hole is equipped in hole, 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), the pull handle (13) it is another
End offers pin hole, is inserted in the pin hole pin (18), pin (18) lower end is inserted in the limiting through hole, is fallen
On thimble (17).
5. the disconnected rope of prevention of sliding-down in inclined well according to claim 4, the self-locking buffer brake device of abseiling, which is characterized in that described
Cam (15) lower end is equipped with the limit shift fork (19) for clasping rail (2).
6. the disconnected rope of prevention of sliding-down in inclined well according to claim 4, the self-locking buffer brake device of abseiling, which is characterized in that described
The bushing (20) for increasing frictional force is also cased on cam (15).
7. according to the disconnected rope of prevention of sliding-down in inclined well described in claim 4,5 or 6, the self-locking buffer brake device of abseiling, which is characterized in that
The linkage trigger device includes fulcrum (3), and the fulcrum (3) is mounted on mine car (1) by support (4), the fulcrum (3)
On be arranged with for fulcrum (3) rotation the first torsional spring (8), fulcrum (3) both ends are respectively provided with a swing arm (7), each pendulum
Arm (7) connects a rail locking system, is connect between the swing arm (7) and rail locking system by automatic releasing device；
Be additionally provided with locking plate (5) on the mine car (1), the locking plate (5) is equipped with locking hole, on the fulcrum (3) with the lock
Only hole corresponding position is equipped with pin hole, is inserted with lock pin (6) jointly in the locking hole and the pin hole.
8. the disconnected rope of prevention of sliding-down in inclined well according to claim 7, the self-locking buffer brake device of abseiling, which is characterized in that described
Swing arm (7) and cutting ferrule (11) are hinged by break pin (12).
9. the disconnected rope of prevention of sliding-down in inclined well according to claim 7, the self-locking buffer brake device of abseiling, which is characterized in that described
Traction trigger mechanism includes the piston type rebound attachment device being mounted on mine car (1) and lever mechanism (27)；The piston type
Springing back attachment device includes piston cylinder (23), piston rod (24) and retraction spring (25), and described piston rod (24) one end is inserted in work
In plug tube (23), retraction spring (25) are equipped in piston cylinder (23), are passed through between the piston cylinder (23) and piston rod (24)
Retraction spring (25) connection, piston rod (24) other end pass through traction rope (22) and adjacent upper mine car (1) or winch
Connection；The piston rod (24) is equipped with connecting rod (26), and the lever mechanism (27) connects with connecting rod (26) and lock pin (6) respectively
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910769791.7A CN110435708B (en) | 2019-08-20 | 2019-08-20 | Self-locking buffer brake device for preventing rope breaking and sliding of inclined shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910769791.7A CN110435708B (en) | 2019-08-20 | 2019-08-20 | Self-locking buffer brake device for preventing rope breaking and sliding of inclined shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110435708A true CN110435708A (en) | 2019-11-12 |
| CN110435708B CN110435708B (en) | 2021-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910769791.7A Active CN110435708B (en) | 2019-08-20 | 2019-08-20 | Self-locking buffer brake device for preventing rope breaking and sliding of inclined shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110435708B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111959558A (en) * | 2020-07-23 | 2020-11-20 | 中国煤炭科工集团太原研究院有限公司 | Rope-breaking rail-holding braking protection device for coal mine underground ferry vehicle |
| CN113968260A (en) * | 2021-11-19 | 2022-01-25 | 何宏伟 | Rail double-power operation vehicle |
| CN116714624A (en) * | 2023-07-31 | 2023-09-08 | 金诺矿山设备有限公司 | Mine car for mining |
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| CN116714624B (en) * | 2023-07-31 | 2023-11-17 | 金诺矿山设备有限公司 | Mine car for mining |
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