CN114506362B - Novel mining electrodeless rope vehicle transportation anti-falling connection protection device - Google Patents
Novel mining electrodeless rope vehicle transportation anti-falling connection protection device Download PDFInfo
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- CN114506362B CN114506362B CN202210085614.9A CN202210085614A CN114506362B CN 114506362 B CN114506362 B CN 114506362B CN 202210085614 A CN202210085614 A CN 202210085614A CN 114506362 B CN114506362 B CN 114506362B
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- 238000005065 mining Methods 0.000 title claims description 18
- 238000009826 distribution Methods 0.000 claims abstract 2
- 238000009434 installation Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000008859 change Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 238000001125 extrusion Methods 0.000 description 7
- 239000003245 coal Substances 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G9/00—Draw-gear
- B61G9/04—Draw-gear combined with buffing appliances
- B61G9/045—Draw-gear combined with buffing appliances with only metal springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G11/00—Buffers
- B61G11/02—Buffers with metal springs
- B61G11/04—Buffers with metal springs with helical springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G11/00—Buffers
- B61G11/18—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G9/00—Draw-gear
- B61G9/20—Details; Accessories
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention provides a novel mine endless rope vehicle transportation anti-falling connection protection device, and belongs to the technical field of vehicle transportation. Including the tricyclic chain and be used for installing the U template of tricyclic chain, install the fixed plate on the upper surface of U template, be provided with two symmetrical cardboard on the lower surface of fixed plate, the cardboard with be provided with a plurality of equidistance distribution's first fixed orifices on the U template, the U template with the second fixed orifices has all been seted up on the fixed plate, install first bolt in the second fixed orifices, tricyclic chain suit is in on the first bolt, the fixed plate with equal fixed mounting has two symmetrical mount pads on the U template, and the vehicle has not only reduced the emergence of accident because of turning round, change the slope and caused, has reduced workman's intensity of labour in a certain extent moreover, practices thrift the cost.
Description
Technical Field
The application relates to the technical field of vehicle transportation, in particular to a novel mining endless rope vehicle transportation anti-falling connection protection device.
Background
Coal mines are reasonable spaces that humans excavate when mining coal-rich geologic formations, and generally include roadways, shaft pits, and face formations, among others. Coal is the most predominant solid fuel, one of the combustible organic rocks. The plant is formed by gradually accumulating a plurality of plants growing in a certain geologic period into a thick layer in a proper geologic environment, burying the thick layer in water bottom or sediment, and carrying out natural coalification in the long geologic period.
When the underground coal mine is transported in a non-polar rope winch mode, vehicles are connected by a tri-link device. When the vehicle runs in the roadway, the front and rear vehicle ends and the connecting device are in relatively smooth butt joint, the transmission of force is relatively stable, and the conditions of chain biting, vertical extrusion of the end buffer, derailment and the like are not easy to occur. However, when the vehicle runs on continuous fluctuation, curve, slope change point and the like, the shuttle car and the end buffer of the vehicle are easy to squeeze each other, so that the vehicle falls off, and a safety threat is formed.
Disclosure of Invention
In order to make up the defects, the application provides a novel mining endless rope vehicle transportation anti-derailment connection protection device, which aims to improve the problem that when a vehicle runs at continuous fluctuation, curve, slope change points and the like, a shuttle car and an end buffer of the vehicle are easy to squeeze mutually, so that the vehicle derails, and a safety threat is formed.
The embodiment of the application provides a novel mining endless rope vehicle transportation prevents falling and connects protection device, include the tricyclic chain and be used for installing the U template of tricyclic chain, install the fixed plate on the upper surface of U template, be provided with the cardboard of two symmetries on the lower surface of fixed plate, the cardboard with be provided with the first fixed orifices that a plurality of equidistances distribute on the U template, the U template with the second fixed orifices has all been seted up on the fixed plate, install first bolt in the second fixed orifices, tricyclic chain suit is in on the first bolt, the fixed plate with equal fixed mounting has the mount pad of two symmetries on the U template, slidable mounting has the slider subassembly on the mount pad, install buffer assembly on the slider subassembly, buffer assembly's one end fixed mounting has the fixed block, install the ram on the fixed block.
In the realization process, the fit of the U-shaped plate and the fixed plate is increased on the basis of the soft connection of the three-ring chain, the adaptability of endless rope transportation in the aspects of slope change and steering is improved, the problem that the shuttle car and the connected vehicle end buffer are easy to fall off due to mutual extrusion is solved, during normal transportation, the three-ring chain in the U-shaped plate and the fixed plate plays a good traction role, the characteristic of strong adaptability of the soft connection is exerted when a roadway is fluctuated, the frame of the U-shaped plate and the fixed plate is exerted when the roadway is fluctuated, the supporting role is played, and the buffer assembly arranged on the sliding block assembly is favorable for keeping the distance between the two vehicles to prevent the end from collision extrusion and falling off, the chain cannot bite and collide deformation in a narrow frame, the falling-off phenomenon of the vehicle caused by turning and slope change is greatly reduced, the accident is reduced, the good environment is created for the safe production of workers, the labor intensity of the workers is reduced to a certain extent, and the cost is saved.
In a specific embodiment, a second bolt is installed in the first fixing hole, and a spring pad is sleeved in the second bolt.
In the implementation process, one end of the second bolt penetrates through the first fixing hole to facilitate fixing between the clamping plate and the U-shaped plate, and the installed spring pad improves the firmness of the second bolt.
In a specific embodiment, a mounting column is arranged on the lower surface of the U-shaped plate, a hexagonal groove is formed in the mounting column, and one end of the second bolt is inserted into the hexagonal groove.
In the implementation process, the nut on the second bolt is conveniently fixed through the hexagonal groove formed in the mounting column, so that looseness is prevented.
In a specific embodiment, the mounting seat is provided with a T-shaped groove, and two ends of the T-shaped groove are connected with strip-shaped grooves.
In the implementation process, the T-shaped block can conveniently slide on the mounting seat through the T-shaped groove.
In a specific embodiment, the slider assembly includes a T-block slidably mounted within the T-slot and a mounting block on which the bumper assembly is fixedly mounted.
In the implementation process, the position of the installation block is conveniently adjusted through the T-shaped block, so that the buffer horizontal position of the buffer assembly is adjusted.
In a specific embodiment, a locking screw is arranged in the strip-shaped groove, and one end of the locking screw is connected with the T-shaped block in a threaded manner
In the implementation process, the T-shaped block is conveniently and firmly fixed on the mounting seat through the locking screw arranged in the strip-shaped groove, so that the position of the T-shaped block is prevented from shifting.
In a specific embodiment, the buffer assembly comprises a first buffer rod, a second buffer rod and a spring, wherein the first buffer rod is fixedly installed on the installation block, one end of the second buffer rod is slidably installed in the first buffer rod, two ends of the spring are respectively fixedly installed on the end faces of the first buffer rod and the second buffer rod, and the fixing block is fixedly installed on the surface of the second buffer rod.
In the implementation process, the two ends of the spring are arranged on the first buffer rod and the second buffer rod, and when the collision block is impacted, the impact force can be absorbed through the reaction force of the spring to drive the second buffer rod to move in the first buffer rod, so that the anti-seismic performance is greatly improved.
In a specific embodiment, two sides of the fixed block are in threaded connection with guide rods, and one ends of the guide rods are slidably mounted on the mounting block.
In the implementation process, the guide rod is beneficial to improving the stability of the fixed block and improving the impact bearing force.
In a specific embodiment, a limiting block is connected to one side end face of the guide rod in a threaded mode.
In the implementation process, the stability of the movement of the guide rod is improved through the limiting block arranged at the tail end of the guide rod.
In a specific embodiment, the fixing plate, the U-shaped plate and the two clamping plates are all processed by steel plates with the thickness of 10 mm.
In the realization process, the device strength is improved through the fixing plate, the U-shaped plate and the two clamping plates which are formed by processing the steel plate with the thickness of 10 mm.
Advantageous effects
According to the novel mine endless rope vehicle transportation anti-falling connection protection device, the U-shaped plate and the fixing plate are matched on the basis of soft connection of the three-ring chain, so that the adaptability of endless rope transportation in the aspects of slope changing and steering is improved, the problem that a shuttle car and a connected vehicle end buffer are mutually extruded to easily fall is solved, during normal transportation, the three-ring chain in the U-shaped plate and the fixing plate plays a good traction role, the characteristic of strong adaptability of soft connection is exerted when a roadway is fluctuated, the U-shaped plate and the frame of the fixing plate are supported during supporting, and the buffer assembly arranged on the sliding block assembly is beneficial to keeping the two-vehicle distance to prevent the end from collision extrusion and falling, the chain cannot bite into a chain and collide deformation in a narrow frame, the falling phenomenon of vehicles caused by slope changing is greatly reduced, the occurrence of accidents is reduced, good environment is created for safe production of workers, labor intensity of workers is reduced to a certain extent, and cost is saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is one of the structural schematic diagrams provided in the embodiments of the present application;
FIG. 2 is a second schematic diagram of the structure provided in the embodiment of the present application;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
fig. 4 is a partial enlarged view at B in fig. 2.
In the figure: 1. a U-shaped plate; 2. a fixing plate; 3. a clamping plate; 4. a first fixing hole; 5. a three-ring chain; 6. a second fixing hole; 7. a first bolt; 8. a mounting base; 9. a slider assembly; 91. a T-shaped block; 92. a mounting block; 10. a limiting block; 11. a buffer assembly; 111. a first buffer rod; 112. a second buffer rod; 113. a spring; 12. a fixed block; 13. a bump; 14. a second bolt; 15. a spring pad; 16. a mounting column; 17. a hexagonal groove; 18. a T-shaped groove; 19. a bar-shaped groove; 20. a locking screw; 21. a guide rod.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without undue burden are within the scope of the present application.
Accordingly, the following detailed description of the embodiments of the present application, provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without undue burden are within the scope of the present application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Referring to fig. 1-4, the application provides a novel mining endless rope vehicle transportation anti-falling connection protection device, which comprises a three-ring chain 5 and a U-shaped plate 1 for installing the three-ring chain 5, wherein a fixed plate 2 is installed on the upper surface of the U-shaped plate 1, two symmetrical clamping plates 3 are arranged on the lower surface of the fixed plate 2, a plurality of first fixed holes 4,U which are distributed equidistantly are arranged on the clamping plates 3 and the U-shaped plate 1, a second fixed hole 6 is formed in each of the clamping plates 1 and the fixed plate 2, a first bolt 7 is installed in the second fixed hole 6, the three-ring chain 5 is sleeved on the first bolt 7, two symmetrical installation seats 8 are fixedly installed on each of the fixed plate 2 and the U-shaped plate 1, a sliding block assembly 9 is installed on each installation seat 8, each sliding block assembly 9 comprises a T-shaped block 91 and an installation block 92, each T-shaped block 91 is installed in a T-shaped groove 18, the positions of the installation blocks 92 are conveniently adjusted through the T-shaped blocks 91, thereby the horizontal position of each buffer assembly 11 is adjusted, each sliding block 11 is installed on each sliding block 9, each sliding block 11 is installed on each sliding block 11, each sliding block 11 is installed on each second sliding block 113, each sliding block is installed on each second sliding block 111, each sliding block is installed on each second sliding block 112, each sliding block 113 is respectively, each sliding block is installed on each sliding block 111 is respectively, each sliding block 113 is installed on the sliding block 111, and each sliding block 112 is respectively, each sliding block is installed on the sliding blocks respectively, and each sliding block 113 is respectively, and each sliding block is installed on the sliding blocks and each sliding block is sliding block 13 sliding block is respectively, and the sliding block is sliding block is respectively, and the sliding blocks is, the buffer assembly 11 has the advantages that one end of the buffer assembly 11 is fixedly provided with the fixed block 12, the collision block 13 is arranged on the fixed block 12, the matching of the U-shaped plate 1 and the fixed plate 2 is increased on the basis of soft connection of the three-ring chain 5, the adaptability of endless rope transportation in the aspect of slope changing and steering is improved, the problem that a shuttle car and a connected vehicle end buffer are mutually extruded and easy to fall is solved, during normal transportation, the three-ring chain 5 in the U-shaped plate 1 and the fixed plate 2 plays a good traction role, the characteristic of strong adaptability of soft connection is exerted when a roadway is fluctuated, the U-shaped plate 1 and the frame of the fixed plate 2 are supported during supporting, and the buffer assembly 11 arranged on the sliding block assembly 9 is favorable for keeping the two-vehicle intervals to prevent the end from collision extrusion and falling, the chain cannot bite and deform in a narrow frame, the falling phenomenon of the vehicle caused by turning and slope changing is greatly reduced, the occurrence of accidents is reduced, good environment is created for safety production of workers, and labor intensity is reduced to a certain extent, and labor cost is saved.
In this application scheme, install second bolt 14 in the first fixed orifices 4, the spring pad 15 is equipped with to second bolt 14 endotheca, runs through first fixed orifices 4 through the one end of second bolt 14 and makes things convenient for fixing between cardboard 3 and the U template 1, and the spring pad 15 of installation improves the fastness of second bolt 14.
When specifically setting up, be provided with erection column 16 on the lower surface of U template 1, offered hexagonal groove 17 on the erection column 16, the one end cartridge of second bolt 14 is in hexagonal groove 17, and the nut on the convenient second bolt 14 of hexagonal groove 17 through offering on the erection column 16 is fixed, prevents not hard up.
In a specific embodiment, the mounting seat 8 is provided with a T-shaped groove 18, two ends of the T-shaped groove 18 are connected with strip-shaped grooves 19, and the T-shaped block 91 can slide on the mounting seat 8 conveniently through the provided T-shaped groove 18.
In this application scheme, be provided with locking screw 20 in the bar groove 19, locking screw 20's one end threaded connection is on T type piece 91, through the locking screw 20 that sets up in the bar groove 19, conveniently firmly fix T type piece 91 on mount pad 8, prevents that the position of T type piece 91 from taking place the skew.
When specifically setting up, the both sides threaded connection of fixed block 12 has guide bar 21, and the one end slidable mounting of guide bar 21 is on installation piece 92, is favorable to improving the stability of fixed block 12 through guide bar 21, improves the impact bearing dynamics.
In this application scheme, threaded connection has stopper 10 on the terminal surface of one side of guide bar 21, through the stopper 10 of the terminal installation of guide bar 21, has improved the stability that guide bar 21 removed.
In a specific embodiment, the fixing plate 2, the U-shaped plate 1 and the two clamping plates 3 are formed by processing steel plates with the thickness of 10mm, and the fixing plate 2, the U-shaped plate 1 and the two clamping plates 3 which are formed by processing steel plates with the thickness of 10mm improve the strength of the device.
The working principle of the novel mining endless rope vehicle transportation anti-falling connection protection device is that: when the device is used, the matching of the U-shaped plate 1 and the fixed plate 2 is added on the basis of the soft connection of the three-ring chain 5, so that the adaptability of endless rope transportation in the aspects of slope changing and steering is improved, the problem that a shuttle car and an end buffer of a connected vehicle are easy to fall off due to mutual extrusion is solved, the buffer assembly 11 arranged on the sliding block assembly 9 is favorable for keeping the distance between the two cars to prevent the end from falling off due to collision extrusion, the chain cannot bite and collide deformation in a narrow frame, the falling phenomenon of the vehicle caused by turning and slope changing is greatly reduced, the accident is reduced, a good environment is created for the safe production of workers, the labor intensity of the workers is reduced to a certain extent, and the cost is saved.
The foregoing is merely exemplary embodiments of the present application and is not intended to limit the scope of the present application, and various modifications and variations may be suggested to one skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a novel mining endless rope vehicle transportation prevents falling and says and connects protection device, a serial communication port, include tricyclic chain (5) and be used for installing U template (1) of tricyclic chain (5), install fixed plate (2) on the upper surface of U template (1), be provided with cardboard (3) of two symmetries on the lower surface of fixed plate (2), cardboard (3) with be provided with first fixed orifices (4) of a plurality of equidistance distributions on U template (1), U template (1) with second fixed orifices (6) have all been seted up on fixed plate (2), install first bolt (7) in second fixed orifices (6), tricyclic chain (5) suit is in on first bolt (7), fixed plate (2) with equal fixed mounting has two symmetrical mount pad (8) on U template (1), slidable mounting has slider assembly (9) on mount pad (8), install on slider assembly (9) buffer block (11), install on buffer block (12) fixed block (12).
2. The novel mining endless rope vehicle transportation anti-falling connection protection device according to claim 1 is characterized in that a second bolt (14) is installed in the first fixing hole (4), and a spring pad (15) is sleeved in the second bolt (14).
3. The novel mining endless rope vehicle transportation anti-falling connection protection device according to claim 2, wherein a mounting column (16) is arranged on the lower surface of the U-shaped plate (1), a hexagonal groove (17) is formed in the mounting column (16), and one end of the second bolt (14) is inserted into the hexagonal groove (17).
4. The novel mining endless rope vehicle transportation anti-falling connection protection device according to claim 1, wherein a T-shaped groove (18) is formed in the mounting seat (8), and two ends of the T-shaped groove (18) are connected with strip-shaped grooves (19).
5. The novel mining endless rope vehicle transportation anti-falling connection protection device according to claim 4, wherein the sliding block assembly (9) comprises a T-shaped block (91) and a mounting block (92), the T-shaped block (91) is slidably mounted in the T-shaped groove (18), and the buffer assembly (11) is fixedly mounted on the mounting block (92).
6. The novel mining endless rope vehicle transportation anti-falling connection protection device according to claim 5, wherein a locking screw (20) is arranged in the strip-shaped groove (19), and one end of the locking screw (20) is connected to the T-shaped block (91) in a threaded manner.
7. The novel mining endless rope vehicle transportation anti-falling connection protection device according to claim 5, wherein the buffer assembly (11) comprises a first buffer rod (111), a second buffer rod (112) and a spring (113), the first buffer rod (111) is fixedly installed on the installation block (92), one end of the second buffer rod (112) is slidably installed in the first buffer rod (111), two ends of the spring (113) are respectively fixedly installed on the end faces of the first buffer rod (111) and the second buffer rod (112), and the fixed block (12) is fixedly installed on the surface of the second buffer rod (112).
8. The novel mining endless rope vehicle transportation anti-falling connection protection device according to claim 6, wherein guide rods (21) are connected to two sides of the fixed block (12) in a threaded mode, and one ends of the guide rods (21) are slidably mounted on the mounting blocks (92).
9. The novel mining endless rope vehicle transportation anti-falling connection protection device according to claim 8 is characterized in that a limiting block (10) is connected to one side end face of the guide rod (21) in a threaded mode.
10. The novel mining endless rope vehicle transportation anti-falling connection protection device according to claim 1, wherein the fixing plate (2), the U-shaped plate (1) and the two clamping plates (3) are formed by processing steel plates with the thickness of 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210085614.9A CN114506362B (en) | 2022-01-25 | 2022-01-25 | Novel mining electrodeless rope vehicle transportation anti-falling connection protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210085614.9A CN114506362B (en) | 2022-01-25 | 2022-01-25 | Novel mining electrodeless rope vehicle transportation anti-falling connection protection device |
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| Publication Number | Publication Date |
|---|---|
| CN114506362A CN114506362A (en) | 2022-05-17 |
| CN114506362B true CN114506362B (en) | 2024-01-26 |
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2022
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