CN110979357A - Anti-slip protection method and device for rope-traction rail transport vehicle - Google Patents
Anti-slip protection method and device for rope-traction rail transport vehicle Download PDFInfo
- Publication number
- CN110979357A CN110979357A CN201911344524.1A CN201911344524A CN110979357A CN 110979357 A CN110979357 A CN 110979357A CN 201911344524 A CN201911344524 A CN 201911344524A CN 110979357 A CN110979357 A CN 110979357A
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- Prior art keywords
- transport vehicle
- protection device
- rail
- track
- traction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
- B61B12/06—Safety devices or measures against cable fracture
-
- 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
Abstract
The invention relates to a rope-traction anti-slip protection method and a rope-traction anti-slip protection device for a rail transport vehicle, which comprise the following steps: the anti-slip device is in linkage connection with the traction rope, and the rail transport vehicle moves along the rail under the traction of the traction rope; when the rail transport vehicle is out of control and slips, the anti-slip protection device can stop the rail transport vehicle on the rail through the linkage effect of the traction rope and the anti-slip protection device, and the safety of personnel and equipment when the traction rope slips or breaks and loses traction force is ensured. The protection device has the advantages of simple structure, good reliability, simple and convenient installation and low cost.
Description
Technical Field
The invention relates to the technical field of agricultural transportation tools, in particular to a rope-traction anti-slip protection method and a rope-traction anti-slip protection device for a rail transport vehicle.
Background
At present, Hunan West Huai of Hunan province belongs to mountainous and hilly areas, more mountains are gathered, in order to develop mountain forests and promote the development of agricultural economy, fruit farmers plant a large number of fruit trees among the mountainous areas, the fruit trees are planted on the hills, the sunlight is sufficient, the fruit trees grow well, but mature fruits are difficult to transport out of the mountain forests; because the hillside is more, the road surface is uneven, the mountainous region has more grass trees and more fruit trees, the common mountain region transport vehicle cannot drive in; the traditional method adopts manual picking, a large amount of labor is needed to shuttle between a road and a hill during fruit picking, the manual labor is consumed for picking on the mountain and climbing the slope, meanwhile, the road surface is steep and uneven, the manual walking transportation is very dangerous, the fruit is very easy to fall down, the life safety is easily damaged, the fruits are damaged, the fruit picking and transporting efficiency is seriously reduced, and the fruit production quality is reduced; although the technology in the prior art is developed rapidly, various transportation devices are developed, and the mechanical transportation device system for the steel wire rail in the mountainous region is suitable.
If the load of the load-bearing steel wire rope is suddenly increased due to unexpected failure in the transportation process or unexpected factors such as transportation transposition and falling, the traction steel wire rope can be further failed, and a series of serious consequences are caused. Therefore, in order to prevent the above situation, an emergency braking mechanism of the steel wire rail mountain transportation device is designed, and the reliability and the safety performance of the device are improved.
Through patent search, the following patents are related to the present invention in the published patent documents: the invention discloses a high-efficiency transporter under hillside terrain, which comprises a carriage (1) and front and rear pairs of travelling mechanisms (19) at the bottom of the carriage, wherein the travelling mechanisms (19) travel on two parallel steel cable tracks (3); the steel cable track (3) is installed on the mountain land according to the terrain through a track fixing device (3); two ends of the steel cable track (3) are respectively fixed on a hill head and a hill foot and are tensioned; the rear end of the carriage (1) is connected with a tractor positioned at the peak through a traction steel cable (5); each pair of travelling mechanisms (19) comprises two mounting seats (11) which are symmetrically arranged at the bottom of the carriage (1); the lower end of each mounting seat (11) is provided with a rotating head (12), and the lower end of each rotating head (12) is provided with a cylindrical roller (14); one end of the cylindrical roller (14) is provided with a flange plate (13); a directional steel wire rope (15) is arranged on the rotating head (12); the directional steel wire ropes (15) are connected through extension springs (17); the track fixing device (3) comprises a steel cable fixing frame (6) and a ground fixing frame (7); the steel cable fixing frame (6) and the ground fixing frame (7) are tensioned through a tensioning steel cable (8); the steel cable fixing frames (6) are uniformly arranged among the steel cable tracks (3); the ground fixing frame (7) is fixed on the ground; two ends of the steel cable fixing frame (6) are fixed on the steel cable track (3) through clamping devices (62); and an auxiliary roller (61) is arranged in the middle of the upper end of the steel cable fixing frame (6).
A hinged shaft (47) is arranged at the rear end of the carriage (1); two hinge sleeves (41) are hinged on the hinge shaft (47); the hinge sleeve (41) is connected with the hook main rod (42); a connecting rod (46) is connected between the hook main rods (42); a draw bar is arranged in the middle of the connecting rod (46); the tail end of the traction rod is provided with a circular ring (45) used for connecting a traction steel cable (5); the tail end of the hook main rod (42) is provided with an arc-shaped hook (43). The arc-shaped hook (43) is connected with the hook main rod (42) through a hinge seat (44); a torsion spring is arranged between the arc-shaped hook (43) and the hook main rod (42); a torsion spring is arranged between the hinge sleeve (41) and the hinge shaft (47). When the traction steel cable 5 is broken accidentally, the hook main rod 42 swings downwards rapidly under the action of torsional spring torsion, so that the arc-shaped hook 43 is hung on the auxiliary roller 61; the function of hanging the carriage 1 is achieved; when the carriage is heavier, when the translation rate is very fast, in order to prevent that inertia force from greatly leading to the arc couple to hang the steel cable mount and pull apart when auxiliary roller, set up articulated seat between couple mobile jib and arc couple, and set up the torsional spring between couple mobile jib and arc couple, when carriage inertia force is great, can loosen automatically after the auxiliary roller is hung to the arc couple, and hang the auxiliary roller of next stage, so analogize, until carriage speed reduction, finally stop, the operation security by equipment has been improved greatly. Working principle and performance.
However, the anti-slipping protection mechanism disclosed by the invention needs to be provided with a plurality of steel cable fixing frames 6 and auxiliary rollers 61, and also needs to be provided with components such as the clamping device 62, the hinge sleeve 41, the hook main rod 42, the hinge seat 44, the arc-shaped hook 43 and the like, so that the anti-slipping protection mechanism is complex in structure, high in cost, high in erection difficulty, only limited on the track provided with the steel cable fixing frames 6 and the auxiliary rollers 61, and poor in track adaptability.
Disclosure of Invention
The invention aims to solve the technical problem of providing a rope-traction anti-slip protection method and a rope-traction anti-slip protection device for a rail transport vehicle, aiming at the defects in the prior art.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: an anti-slip protection method for a rail transport vehicle drawn by a rope is characterized in that an anti-slip protection device is arranged on the rail transport vehicle, the anti-slip protection device is in linkage connection with a drawing rope, and the rail transport vehicle moves along a rail under the traction of the drawing rope; when the rail transport vehicle is out of control and slips, the anti-slip protection device can stop the rail transport vehicle on the rail through the linkage action of the traction rope and the anti-slip protection device. The rail transport vehicle is always in a locking state controlled by the traction rope or the anti-slip protection device, and the safety of personnel and equipment is ensured.
Furthermore, when the rail transport vehicle is subjected to traction force of the traction rope, the anti-slip protection device is in an unlocked state through the linkage effect of the traction rope and the anti-slip protection device, so that the rail transport vehicle can move along the rail; when the traction rope slips or breaks and loses traction force, the anti-slip protection device is in a locking state through the linkage effect of the traction rope and the anti-slip protection device, so that the rail transport vehicle is locked on the rail. Ensuring the safety of personnel and equipment when the traction rope slips or breaks to lose traction.
Furthermore, the anti-slip protection device is an elastic clamping device, and when the traction rope is subjected to traction force, the elastic clamping device is in an open state, so that a gap is reserved between the elastic clamping device and the track; when the traction rope loses traction, the elastic clamping device is in a clamping state, so that the elastic clamping device is clamped on the track. The friction force generated by clamping the rail by the anti-slip protection device enables the rail transport vehicle running along the rail to decelerate until the rail transport vehicle is static, and the rail transport vehicle is locked by the friction force, so that the rail transport vehicle is prevented from being out of control due to the fact that large inertia force is generated when the rail transport vehicle is hooked.
Furthermore, the elastic clamp device is a brake caliper arranged on the rail transport vehicle, and the brake caliper can be clamped on a rail to lock the rail transport vehicle; the brake caliper includes: the device comprises a lever, a connecting rod, a friction block, a spring, a first pin shaft, a second pin shaft, a third pin shaft and a fourth pin shaft; one end of the lever is hinged with the friction block through a pin shaft four, and the other end of the lever is hinged with the connecting rod through a pin shaft two; the middle parts of the two levers are oppositely hinged through a pin shaft III, so that the two friction blocks are arranged on two sides of the track, and a spring is arranged between the two levers, so that the friction blocks clamp the track from two sides and lock the track transport vehicle; the other ends of the two connecting rods are hinged with the traction rope through a first pin shaft, and the traction force of the traction rope is utilized to overcome the elastic force of the spring to enable the friction block to loosen the rail, so that the rail transport vehicle is unlocked.
The invention also provides a rope-traction anti-slip protection device for the rail transport vehicle, which comprises: the anti-slip device comprises a rail transport vehicle, a traction rope and a rail, wherein an anti-slip protection device is arranged on the rail transport vehicle, the anti-slip protection device is in linkage connection with the traction rope, and the anti-slip protection device can be in a locking state when the traction rope slips or breaks, so that the rail transport vehicle is locked on the rail. Ensuring the safety of personnel and equipment when the traction rope slips or breaks to lose traction.
Furthermore, the anti-slip protection device is a brake caliper arranged on the rail transport vehicle, and the brake caliper can be clamped on the rail to lock the rail transport vehicle. The brake caliper has simple structure, safety and reliability.
Further, the brake caliper includes: the device comprises a lever, a connecting rod, a friction block, a spring, a first pin shaft, a second pin shaft, a third pin shaft and a fourth pin shaft; one end of the lever is hinged with the friction block through a pin shaft four, and the other end of the lever is hinged with the connecting rod through a pin shaft two; the middle parts of the two levers are oppositely hinged through a pin shaft III, so that the two friction blocks are arranged on two sides of the track, and a spring is arranged between the two levers, so that the friction blocks clamp the track from two sides and lock the track transport vehicle; the other ends of the two connecting rods are hinged with the traction rope through a first pin shaft, and the traction force of the traction rope is utilized to overcome the elastic force of the spring to enable the friction block to loosen the rail, so that the rail transport vehicle is unlocked. The rail transport vehicle is gradually decelerated until the rail transport vehicle is static by utilizing the friction force, so that the rail transport vehicle is prevented from being out of control due to the fact that large inertia force is generated when the rail transport vehicle is hooked.
Furthermore, the track is square or inverted T-shaped, and the friction block is rectangular, so that the contact area between the friction block and the square or inverted T-shaped track is increased, and the friction force is increased.
Furthermore, the track is circular, and the clutch blocks are the arc surface to increase the area of contact with circular track, increase frictional force.
Furthermore, the track is a tensioned steel wire rope, the terrain adaptability of the steel wire rope is strong, and the track is simple and convenient to erect.
The invention has the beneficial effects that: the anti-slip protection method and the protection device are characterized in that the bottom of the rail transport vehicle is provided with the elastic clamping device, and when a traction rope is subjected to traction force, the elastic clamping device is in an open state, so that a gap is reserved between the elastic clamping device and a rail; when the traction rope slips or breaks and loses traction, the elastic clamping device is in a clamping state, so that the elastic clamping device is clamped on the rail, the rail transport vehicle running along the rail is decelerated until the rail transport vehicle stops, and the rail transport vehicle is locked. The protection device can ensure the safety of personnel and equipment when the traction rope slips or breaks, and has the advantages of simple structure, good reliability, simple and convenient installation and low cost.
Drawings
FIG. 1 is a schematic perspective view of an anti-slip protection mechanism;
FIG. 2 is a schematic perspective view of the anti-skid protection mechanism with the rail car removed;
FIG. 3 is a schematic perspective view of part A of FIG. 2;
in the figure: the device comprises a track transport vehicle 1, a traction rope 2, a track 3, a brake caliper 4, a pin I41, a pin I42, a connecting rod 43, a pin II 44, a spring 45, a lever 46, a pin III 47, a pin IV and a friction block 48.
Detailed Description
The invention is further described by the following specific embodiments in conjunction with the attached drawings:
as shown in fig. 1 to 3: an anti-slip protection method for a rail transport vehicle drawn by a rope is characterized in that an anti-slip protection device is arranged on the rail transport vehicle, the anti-slip protection device is in linkage connection with a drawing rope, and the rail transport vehicle moves along a rail under the traction of the drawing rope; when the rail transport vehicle is out of control and slips, the anti-slip protection device can stop the rail transport vehicle on the rail through the linkage action of the traction rope and the anti-slip protection device. The rail transport vehicle is always in a locking state controlled by the traction rope or the anti-slip protection device, and the safety of personnel and equipment is ensured.
When the rail transport vehicle is subjected to traction force of the traction rope, the anti-slip protection device is in an unlocked state through the linkage effect of the traction rope and the anti-slip protection device, so that the rail transport vehicle can move along a rail; when the traction rope slips or breaks and loses traction force, the anti-slip protection device is in a locking state through the linkage effect of the traction rope and the anti-slip protection device, so that the rail transport vehicle is locked on the rail. Ensuring the safety of personnel and equipment when the traction rope slips or breaks to lose traction.
The anti-slip protection device is an elastic clamping device, and when the traction rope is subjected to traction force, the elastic clamping device is in an open state, so that a gap is reserved between the elastic clamping device and the track; when the traction rope loses traction, the elastic clamping device is in a clamping state, so that the elastic clamping device is clamped on the track. The friction force generated by clamping the rail by the anti-slip protection device enables the rail transport vehicle running along the rail to decelerate until the rail transport vehicle is static, and the rail transport vehicle is locked by the friction force, so that the rail transport vehicle is prevented from being out of control due to the fact that large inertia force is generated when the rail transport vehicle is hooked.
The invention also provides a rope-traction anti-slip protection device for the rail transport vehicle, which comprises: the track transport vehicle comprises a track transport vehicle 1, a traction rope 2 and a track 3, wherein an anti-slip protection device is arranged at the bottom of the track transport vehicle 1, and the anti-slip protection device can be in a locking state when the traction rope 2 slips or breaks, so that the track transport vehicle is locked on the track 3. Ensuring the safety of personnel and equipment when the traction rope slips or breaks to lose traction.
The anti-slip protection device is a brake caliper 4 arranged on the rail transport vehicle 1, and the brake caliper 4 can be clamped on the rail 3 to lock the rail transport vehicle 1. The brake caliper 4 has simple structure, safety and reliability.
The brake caliper 4 includes: the device comprises a lever 45, a connecting rod 42, a friction block 48, a spring 44, a first pin shaft 41, a second pin shaft 43, a third pin shaft 46 and a fourth pin shaft 47; one end of the lever 45 is hinged with a friction block 48 through a pin shaft four 47, and the other end of the lever 45 is hinged with the connecting rod 42 through a pin shaft two 43; the middle parts of the two levers 45 are oppositely hinged through a third pin shaft 46, so that the two friction blocks 48 are arranged on two sides of the track 3, and a spring 44 is arranged between the two levers 45, so that the friction blocks 48 clamp the track 3 from two sides and lock the track transport vehicle 1; the other ends of the two connecting rods 42 are hinged with the traction rope 2 through a first pin shaft 41, and the traction force of the traction rope 2 is utilized to overcome the elastic force of the spring 44 to enable the friction block 48 to loosen the track 3, so that the track transport vehicle 1 is unlocked. The rail transport vehicle is gradually decelerated until the rail transport vehicle is static by utilizing the friction force, so that the rail transport vehicle is prevented from being out of control due to the fact that large inertia force is generated when the rail transport vehicle is hooked.
The track 3 is square or inverted T-shaped, and the friction block 48 is rectangular to increase the contact area with the square or inverted T-shaped track 3 and increase the friction force.
The track 3 is circular, and the friction block 48 is a circular arc surface to increase the contact area with the circular track 3 and increase the friction force.
The track 3 is a tensioned steel wire rope, the terrain adaptability of the steel wire rope is strong, and the track 3 is simple and convenient to erect.
The spring 44 is a compression spring made of stainless steel, and the compression spring made of stainless steel has strong environmental adaptability and good reliability.
In conclusion, the beneficial effects of the invention are as follows: the anti-slip protection method and the protection device are characterized in that the bottom of the rail transport vehicle is provided with the elastic clamping device, and when a traction rope is subjected to traction force, the elastic clamping device is in an open state, so that a gap is reserved between the elastic clamping device and a rail; when the traction rope slips or breaks and loses traction, the elastic clamping device is in a clamping state, so that the elastic clamping device is clamped on the rail, the rail transport vehicle running along the rail is decelerated until the rail transport vehicle stops, and the rail transport vehicle is locked. The protection device can ensure the safety of personnel and equipment when the traction rope slips or breaks, and has the advantages of simple structure, good reliability, simple and convenient installation and low cost.
The above embodiments are provided for illustrative purposes only and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and therefore all equivalent technical solutions should fall within the scope of the present invention, and the scope of the present invention should be defined by the claims.
Claims (10)
1. The utility model provides a rail transport vehicle antiskid protection method that falls that rope pulls which characterized in that: the rail transport vehicle is provided with an anti-slip protection device, the anti-slip protection device is in linkage connection with a traction rope, and the rail transport vehicle moves along a rail under the traction of the traction rope; when the rail transport vehicle is out of control and slips, the anti-slip protection device can stop the rail transport vehicle on the rail through the linkage action of the traction rope and the anti-slip protection device.
2. The protection method according to claim 1, characterized in that: when the rail transport vehicle is subjected to traction force of the traction rope, the anti-slip protection device is in an unlocked state through the linkage effect of the traction rope and the anti-slip protection device, so that the rail transport vehicle can move along a rail; when the traction rope slips or breaks and loses traction force, the anti-slip protection device is in a locking state through the linkage effect of the traction rope and the anti-slip protection device, so that the rail transport vehicle is locked on the rail.
3. The protection method according to claim 2, characterized in that: the anti-slip protection device is an elastic clamping device, and when the traction rope is subjected to traction force, the elastic clamping device is in an open state, so that a gap is reserved between the elastic clamping device and the track; when the traction rope loses traction, the elastic clamping device is in a clamping state, so that the elastic clamping device is clamped on the track.
4. The protection method according to claim 3, characterized in that: the elastic clamp device is a brake caliper (4) arranged on the rail transport vehicle (1), and the brake caliper (4) can be clamped on the rail (3) to lock the rail transport vehicle (1); the brake caliper (4) comprises: the device comprises a lever (45), a connecting rod (42), a friction block (48), a spring (44), a first pin shaft (41), a second pin shaft (43), a third pin shaft (46) and a fourth pin shaft (47); one end of the lever (45) is hinged with the friction block (48) through a pin shaft four (47), and the other end of the lever (45) is hinged with the connecting rod (42) through a pin shaft two (43); the middle parts of the two levers (45) are oppositely hinged through a third pin shaft (46), so that the two friction blocks (48) are arranged on two sides of the track (3), and a spring (44) is arranged between the two levers (45), so that the friction blocks (48) clamp the track (3) from two sides and lock the track transport vehicle (1); the other ends of the two connecting rods (42) are hinged with the traction rope (2) through a first pin shaft (41), and the traction force of the traction rope (2) is utilized to overcome the elastic force of the spring (44) to enable the friction block (48) to loosen the track (3), so that the track transport vehicle (1) is unlocked.
5. The utility model provides a rail transport car antiskid protection device that falls that rope pulls, includes: rail transport vechicle (1), traction rope (2) and track (3), its characterized in that: the rail transport vehicle is characterized in that an anti-slip protection device is arranged on the rail transport vehicle (1), the anti-slip protection device is in linkage connection with the traction rope (2), and the anti-slip protection device can be in a locking state when the traction rope (2) slips or breaks, so that the rail transport vehicle is locked on the rail (3).
6. The protection device of claim 5, wherein: the anti-slip protection device is a brake caliper (4) arranged on the rail transport vehicle (1), and the brake caliper (4) can be clamped on the rail (3) to lock the rail transport vehicle (1).
7. The protection device of claim 6, wherein: the brake caliper (4) comprises: the device comprises a lever (45), a connecting rod (42), a friction block (48), a spring (44), a first pin shaft (41), a second pin shaft (43), a third pin shaft (46) and a fourth pin shaft (47); one end of the lever (45) is hinged with the friction block (48) through a pin shaft four (47), and the other end of the lever (45) is hinged with the connecting rod (42) through a pin shaft two (43); the middle parts of the two levers (45) are oppositely hinged through a third pin shaft (46), so that the two friction blocks (48) are arranged on two sides of the track (3), and a spring (44) is arranged between the two levers (45), so that the friction blocks (48) clamp the track (3) from two sides and lock the track transport vehicle (1); the other ends of the two connecting rods (42) are hinged with the traction rope (2) through a first pin shaft (41), and the traction force of the traction rope (2) is utilized to overcome the elastic force of the spring (44) to enable the friction block (48) to loosen the track (3), so that the track transport vehicle (1) is unlocked.
8. The protection device of claim 7, wherein: the track (3) is square or inverted T-shaped, and the friction block (48) is rectangular.
9. The protection device of claim 7, wherein: the track (3) is circular, and the friction block (48) is an arc surface.
10. The protection device of claim 9, wherein: the track (3) is a tensioned steel wire rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344524.1A CN110979357A (en) | 2019-12-24 | 2019-12-24 | Anti-slip protection method and device for rope-traction rail transport vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344524.1A CN110979357A (en) | 2019-12-24 | 2019-12-24 | Anti-slip protection method and device for rope-traction rail transport vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN110979357A true CN110979357A (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911344524.1A Pending CN110979357A (en) | 2019-12-24 | 2019-12-24 | Anti-slip protection method and device for rope-traction rail transport vehicle |
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| CN (1) | CN110979357A (en) |
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| CN101857042A (en) * | 2010-06-14 | 2010-10-13 | 樊铁山 | Anti-running method for gradient tunnel track transportation |
| CN202608796U (en) * | 2012-06-10 | 2012-12-19 | 徐州工程学院 | Double-track and double-wedge brake system for inclined shaft mine car track transport |
| CN103569820A (en) * | 2013-11-20 | 2014-02-12 | 葛家蔚 | Brake |
| CN206841441U (en) * | 2017-05-09 | 2018-01-05 | 安徽中捷矿山运输设备有限责任公司 | It is a kind of to embrace rail braking cylinder structure for wire saws railcar |
| CN207449922U (en) * | 2017-10-16 | 2018-06-05 | 重庆红岩建设机械制造有限责任公司 | It is a kind of to be suitable for the folder rail brake with edge of a wing track |
| CN207537009U (en) * | 2017-11-17 | 2018-06-26 | 中交二公局第三工程有限公司 | A kind of full-automatic rail clamping device of electromagnetic self-locking formula gantry crane linkage |
| CN212024578U (en) * | 2020-04-03 | 2020-11-27 | 福建省特种设备检验研究院 | Crane anti-collision impact braking device based on rail clamping principle |
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2019
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2897755Y (en) * | 2006-05-07 | 2007-05-09 | 卢月雄 | Rail-gripped brake for man mine car |
| CN201362262Y (en) * | 2009-05-15 | 2009-12-16 | 中国水利水电第三工程局有限公司 | Rope breakage protective device for rail transport vehicle |
| CN101857042A (en) * | 2010-06-14 | 2010-10-13 | 樊铁山 | Anti-running method for gradient tunnel track transportation |
| CN202608796U (en) * | 2012-06-10 | 2012-12-19 | 徐州工程学院 | Double-track and double-wedge brake system for inclined shaft mine car track transport |
| CN103569820A (en) * | 2013-11-20 | 2014-02-12 | 葛家蔚 | Brake |
| CN206841441U (en) * | 2017-05-09 | 2018-01-05 | 安徽中捷矿山运输设备有限责任公司 | It is a kind of to embrace rail braking cylinder structure for wire saws railcar |
| CN207449922U (en) * | 2017-10-16 | 2018-06-05 | 重庆红岩建设机械制造有限责任公司 | It is a kind of to be suitable for the folder rail brake with edge of a wing track |
| CN207537009U (en) * | 2017-11-17 | 2018-06-26 | 中交二公局第三工程有限公司 | A kind of full-automatic rail clamping device of electromagnetic self-locking formula gantry crane linkage |
| CN212024578U (en) * | 2020-04-03 | 2020-11-27 | 福建省特种设备检验研究院 | Crane anti-collision impact braking device based on rail clamping principle |
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