CN217227559U - Weighing car arrester for mine car - Google Patents
Weighing car arrester for mine car Download PDFInfo
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- CN217227559U CN217227559U CN202221382626.XU CN202221382626U CN217227559U CN 217227559 U CN217227559 U CN 217227559U CN 202221382626 U CN202221382626 U CN 202221382626U CN 217227559 U CN217227559 U CN 217227559U
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Abstract
The application discloses a mine car weighing car arrester, which belongs to the technical field of mine car equipment and comprises a blocking device and a weighing assembly, wherein the blocking device comprises two wheel blocking parts and a check part arranged on the stress side of the wheel blocking parts, the wheel blocking parts respectively correspond to wheels on two sides of a mine car, the check part keeps a preset distance from the wheel blocking parts and is provided with a liftable check part, and the check part is configured to only allow the wheels of the mine car to pass in the forward direction; the weighing assembly comprises weighing rails, four weighing oil cylinders, pressure sensors and a controller, the weighing rails are independently arranged and close to the stress sides of the wheel stoppers, the four weighing oil cylinders are respectively and uniformly supported and arranged at four corners of the weighing rails, the sensing ends of the pressure sensors are respectively positioned in piston cavities of the four weighing oil cylinders, and a PLC control system is preset in the controller; this car arrester of weighing not only can the accurate control mine car the material load capacity, can also effectively promote work efficiency through the cooperation that the wheel kept off the piece and contrary piece that ends.
Description
Technical Field
The utility model relates to a mine car equipment technical field especially relates to mine car arrester of weighing for the mine car fixed point ration loads the material.
Background
In mining machinery, mine cars are often used to load coal, gangue, and other materials, and are divided into flat tracks and inclined roadway tracks. Generally, on a flat rail, the tramcar, after being loaded with a predetermined amount of material, is transferred by means of a trolley or a crane; on the inclined roadway type track, the transfer is generally carried out by a sliding mode.
Whether on a flat track or an inclined roadway track, the mine car is generally loaded by manpower or machines, and the loading capacity is determined by experience or visual methods, so that certain errors exist in the control accuracy of the loading capacity; in addition, in order to reach the purpose of fixed point parking loading, still can set up the spacing mine car of barrier mechanism, barrier mechanism generally injects in the wheel clearance of mine car through the round pin axle, reaches spacing and fixed mine car's purpose, so, must go the control pin axle again after the mine car is complete static to carry on spacingly, wait to go the control pin axle again after the loading finishes and reset, not only troublesome poeration, work efficiency is lower moreover.
SUMMERY OF THE UTILITY MODEL
An advantage of the utility model is that a mine car arrester of weighing is provided, wherein through set up the independent rail of weighing on the mine car track of marcing, in case the mine car reachs the rail of weighing and loads the material, alright with the volume of loading the material through weighing subassembly automatic calculation, and then reach the purpose of accurate control loading capacity, secondly keep off the piece and lie in mutually supporting of the contrary piece that ends of the atress side that the piece was kept off to the wheel through the wheel that can rise automatically, reach the spacing mine car of fixed point, and prevent the mesh of swift current behind the mine car, ensure that the mine car remains throughout on the rail of weighing, the reliability of weighing has been ensured, make the mine car not need complete stillness alright with directly loading the material, thereby effectively improve work efficiency.
An advantage of the utility model is that a mine car arrester of weighing wherein weighs the rail with advance the track parallel and level or exceed the orbital rail surface of advancing a little for the mine car can be more quick and convenient continuation after loading the material and advance, has improved work efficiency.
An advantage of the utility model is that a mine car arrester of weighing wherein under the mating reaction of actuating cylinder, transmission shaft and connecting rod structure, can keep off piece synchronous rising through two wheels of an actuating cylinder simultaneous control and block or synchronous decline and let go, control simple structure, the maintenance of being convenient for, the coordinated control ware can reach the purpose that blocks the mine car automatically and let go full-load mine car automatically simultaneously to further improve work efficiency.
An advantage of the utility model is that a mine car arrester of weighing wherein can effectively absorb the mine car and act on the impact that the piece was kept off to the wheel through the bolster, and the protection wheel keeps off piece and actuating cylinder, ensures that the wheel keeps off the reliability that the piece blockked the mine car, prolongs this whole life who weighs the arrester.
An advantage of the utility model is that a mine car arrester of weighing wherein ends the piece and ends the claw for the rotatory contrary of gravity, reaches contrary mine car that ends through the action of gravity of self, prevents the purpose of swift current behind the mine car, and pure mechanical structure is with low costs, easy to maintain, and the operational reliability is high.
In order to reach the utility model discloses above at least one advantage, the utility model provides a mine car arrester of weighing for the mine car fixed point ration loads the material, is set up on the track of marcing of mine car, the arrester of weighing includes:
the stopping device comprises two wheel stoppers capable of automatically lifting and descending and a check part arranged on the force-bearing side of the wheel stoppers, wherein the two wheel stoppers respectively correspond to the wheels on two sides of the mine car in the traveling direction, the force-bearing side is the side of the wheel stoppers close to the wheels of the mine car, the check part and the wheel stoppers are kept at a preset distance, the preset distance is 1.2-1.6 times of the outer diameter of the wheels of the mine car, and the check part is provided with a lifting check part and is configured to only allow the wheels of the mine car to pass in the forward direction; and
the weighing component comprises weighing rails, weighing oil cylinders, pressure sensors and a controller, wherein the weighing rails are independently arranged relative to the advancing rail along the extending direction of the advancing rail and are close to the stress side of the wheel blocking piece, the four weighing oil cylinders are respectively and uniformly supported and arranged at four corners of the weighing rails, the sensing ends of the pressure sensors are respectively located in piston cavities of the four weighing oil cylinders and used for sensing the internal pressure of the weighing oil cylinders when the mine car loads materials and transmitting the sensed internal pressure electric signals to the controller, and a PLC control system is preset in the controller.
According to the utility model discloses an embodiment, in direction of height, the top surface of rail of weighing is higher than the orbital rail surface of marcing, or with orbital rail surface parallel and level of marcing.
According to the utility model discloses an embodiment the top surface of weighing rail is higher than during orbital rail surface of marcing, the distance size that weighing rail is higher is 0.5mm ~ 2 mm.
According to an embodiment of the present invention, the stopping device further comprises a driving mechanism for driving the wheel stopper to ascend and descend, the driving mechanism comprises a transmission shaft, a driving cylinder and a connecting rod structure, wherein the drive shaft extends along the running direction of the mine car and is close to the middle part of the running track, the transmission shaft is rotatably arranged on the travelling track, the transmission shaft is fixedly sleeved with an adapter rod, the adapter rod is hinged with the telescopic end of the driving oil cylinder, and in the horizontal direction, the telescopic end of the driving oil cylinder is positioned below the transmission shaft, the fixed end of the driving oil cylinder is hinged with the travelling track, the driving oil cylinder is in electric signal connection with the controller, one end of the transmission shaft is respectively matched with the two wheel retaining pieces through the connecting rod structure, when the transmission shaft is driven to rotate, the connecting rod structure can drive the two wheel stoppers to synchronously rotate and ascend or descend.
According to an embodiment of the present invention, the connecting rod structure includes two fixing rods respectively fixed to the side surfaces of the two wheel stoppers, and a connecting rod fixedly disposed on the transmission shaft, wherein two ends of the connecting rod are respectively hinged to the two fixing rods, and the transmission shaft is located below the wheel stoppers;
the wheel blocking piece comprises a movable sleeve and blocking claws arranged on the surface of the movable sleeve, the fixed rod is fixedly connected with the movable sleeve, a rotating shaft is fixedly embedded in the movable sleeve, and the rotating shaft is rotatably arranged on the travelling track.
According to the utility model discloses an embodiment, the atress side that blocks the claw and the contrary portion of ending is close to one side that the piece was kept off to the wheel all is provided with the protection and fills up.
According to an embodiment of the present invention, the traveling rail is provided with a limit frame for the rotation shaft to move, wherein the movement includes rotation of the rotation shaft and play in the axial direction, and the movable sleeve is located in the limit frame;
the blocking device further comprises a buffer spring, the buffer spring is sleeved on the rotating shaft, a limiting seat is arranged at one end, away from the wheel blocking piece, of the rotating shaft, and the buffer spring is arranged between the limiting frame and the limiting seat in a compressed state.
According to the utility model relates to an embodiment, contrary piece that ends still includes gravity portion for the rotatory contrary claw that ends of gravity, wherein gravity portion connects the below of contrary portion contrary piece is kept away from contrary piece one side that keeps off the piece, contrary portion with gravity portion extends along same incline direction, at relative opposite side, gravity portion has the protrusion the gravity piece of contrary portion, contrary piece that ends passes through gravity portion is close to the one end of contrary portion articulates on weighing the rail, weighing the rail and being provided with the confession the spacing breach of contrary portion activity of ending.
According to the utility model discloses an embodiment, contrary portion with gravity portion integrated into one piece, or detachable connection.
These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description.
Drawings
FIG. 1 shows a schematic top view of a mine car weighing car stop according to the present application.
FIG. 2 shows a schematic front view of the mine car weighing car stop of the present application.
Fig. 3 shows a schematic front view of the check part according to the present application.
Reference numerals are as follows: 10-wheel stopper, 11-movable sleeve, 12-stopping claw, 13-rotating shaft, 14-limiting seat, 20-stopping part, 21-stopping part, 22-gravity part, 221-gravity block, 30-weighing rail, 31-limiting notch, 40-weighing oil cylinder, 50-pressure sensor, 60-controller, 71-transmission shaft, 72-adapter rod, 73-driving oil cylinder, 74-fixed rod, 75-connecting rod, 80-buffer spring, 90-traveling track, 91-limiting frame and 100-wheel.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments described below are by way of example only, and other obvious variations will occur to those skilled in the art. The underlying principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that in the disclosure of the specification, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships that are based on those shown in the drawings, which are merely for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and, therefore, the above-described terms should not be construed as limiting the invention.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
Referring to fig. 1-3, a mine car weighing car arrester in accordance with a preferred embodiment of the invention is described in detail below, wherein the car weighing car arrester is used for fixed point quantitative loading of a mine car and is also disposed on a running rail 90 of the mine car. Specifically, the weighing car arrester comprises a blocking device and a weighing assembly. The blocking device comprises two wheel blocking pieces 10 capable of automatically lifting and descending and a non-return piece 20 arranged on the force-bearing side of the wheel blocking pieces 10, wherein the two wheel blocking pieces 10 respectively correspond to wheels 100 on two sides of the mine car in the advancing direction and are used for blocking the wheels 100 in front of the advancing direction of the wheels 100 on the two sides, the force-bearing side is the side, close to the wheels 100 of the mine car, of the wheel blocking pieces 10, and the non-return piece 20 is kept at a preset distance from the wheel blocking pieces 100. The predetermined distance is 1.2 to 1.6 times, such as 1.3, 1.4 or 1.5 times, the outer diameter of the mine car wheels 100, and is primarily such that the front wheels of the mine car can stay within a fixed area by the cooperation of the wheel stoppers 10 and the anti-backup members 20, thereby achieving the purposes of loading materials and weighing at fixed points in a fixed parking area, wherein the fixed point refers to a certain area rather than a fixed point. Furthermore, the predetermined distance is also set in view of the fact that the distance between the front and rear wheels of most tramcars is large, even at a maximum of 1.6 times, when the front wheel is blocked by the wheel stopper 10, the rear wheel of the tramcar will not reach the backstop 20, i.e. the front wheel of the tramcar is restrained by the wheel stopper 10 and the backstop 20. The check member 20 has a liftable check portion 21, wherein the check portion 21 is configured to allow only the wheels 100 of the mine car to pass in a forward direction, i.e., to perform a one-way check function, thereby preventing the mine car from slipping backward during the charging process.
In addition, the weighing assembly comprises a weighing rail 30, a weighing cylinder 40, a pressure sensor 50 and a controller 60, wherein the weighing rail 30 is independently arranged relative to the travel rail 90 along the extension direction of the travel rail 90 and is close to the force-bearing side of the wheel stopper 10. It will be appreciated that when the front wheels of the mine car travel to the extent of the region between the wheel stops 10 and the anti-stop 20, the mine car is always resting on the weighing rails 30 so that the mine car can perform the material loading operation just as it reaches the region, rather than waiting until the mine car is completely stationary, and the efficiency of the operation is greatly improved. The number of the weighing oil cylinders 40 is four, the weighing oil cylinders are respectively and uniformly supported and arranged at four corners of the weighing rail 30, and the sensing ends of the pressure sensors 50 are respectively located in piston cavities of the four weighing oil cylinders 40. Along with the loading of materials, the gravity of the mine car gradually increases, the piston rod of the weighing oil cylinder 40 gradually compresses and moves, the pressure in the weighing oil cylinder 40 is increased, the increased pressure is obtained through the sensing end of the pressure sensor 50 and is transmitted to the controller 60 in a preset electric signal mode, a PLC control system is preset in the controller 60, and when the pressure reaches a set value, the PLC control system sends a full-load signal to remind a worker or controls a machine loading the materials to automatically stop loading. Therefore, the material loading capacity of the mine car can be accurately controlled.
Preferably, the top surface of the weighing rail 30 is higher than the rail surface of the traveling rail 90 in the height direction, or is flush with the rail surface of the traveling rail 90, so that the mine car can stably and rapidly travel onto the weighing rail 30, and can rapidly travel away from the weighing rail 30 after being filled with materials, and the work efficiency is improved.
It is further preferred that the weighing rails 30 are raised by a distance of 0.5mm to 2mm, such as 0.8mm, 1.2mm or 1.5mm, when the top surface of the weighing rails 30 is above the rail surface of the running rail 90.
As a preferred embodiment, the blocking device further comprises a driving mechanism for driving the wheel stopper 10 to ascend and descend. The drive mechanism includes a drive shaft 71, a drive cylinder 73, and a link structure, wherein the drive shaft 71 extends in the running direction of the mining vehicle and is located near the middle of the running rail 90, and the drive shaft 71 is rotatably provided to the running rail 90. The transmission shaft 71 is fixedly sleeved with an adapter rod 72, wherein the adapter rod 72 is hinged to the telescopic end of the driving oil cylinder 73, in the horizontal direction, the telescopic end of the driving oil cylinder 73 is located below the transmission shaft 71, and the fixed end of the driving oil cylinder 73 is hinged to the advancing track 90. When the driving oil cylinder 73 operates, the telescopic end of the driving oil cylinder 73 moves in a telescopic mode, the transmission shaft 71 is driven to rotate in a reciprocating mode in an oriented mode within a certain range through the hinged adapter rod 72, and meanwhile the driving oil cylinder 73 is connected with the controller 60 in an electric signal mode. One end of the transmission shaft 71 is respectively matched with the two wheel stoppers 10 through the connecting rod structure, so that when the transmission shaft 71 is driven to rotate, the two wheel stoppers 10 can be driven to synchronously rotate to ascend or descend through the connecting rod structure. Under the control of the controller 60, after the pressure sensor 50 recognizes that the mine car is loaded with a predetermined amount of material, the driving cylinder 73 is automatically controlled to drive the transmission shaft 71 and the connecting rod structure to open the wheel stopper 10, so that the full-load mine car is automatically released, and the working efficiency is improved.
Further preferably, the connecting rod structure includes fixing rods 74 respectively fixedly disposed on the side surfaces of the two wheel stoppers 10, and a connecting rod 75 fixedly disposed on the transmission shaft 71, wherein two ends of the connecting rod 75 are respectively hinged to the two fixing rods 74, and the transmission shaft 71 is located below the wheel stoppers 10;
the wheel stopper 10 includes a movable sleeve 11 and a stopper claw 12 provided on a surface of the movable sleeve 11. The fixed rod 74 is fixedly connected to the movable sleeve 11, and a rotating shaft 13 is fixedly embedded in the movable sleeve 11, wherein the rotating shaft 13 is rotatably disposed on the traveling rail 90. When the transmission shaft 71 drives the connecting rod 75 to rotate in one direction, one of the fixing rods 74 is pulled downwards to drive the movable sleeve 11 and the blocking claw 12 to rotate inwards, and the other fixing rod 74 is also pulled inwards to drive the corresponding movable sleeve 11 and the corresponding blocking claw 12 to rotate inwards, that is, the two wheel blocking members 10 are driven by the connecting rod 75 to rotate inwards relatively to block the wheel 100, or rotate outwards relatively to release the wheel 100.
The movable sleeve 11 and the rotating shaft 13 can be in transition fit connection, interference fit connection, welding connection or bonding connection, and the rotating shaft 13 can be synchronously driven by the movable sleeve 11 to rotate only when moving.
Further preferably, the force-bearing side of the blocking claw 12 and the side of the non-return portion 21 close to the wheel stopper 10 are provided with protective pads, which not only can protect the mine car and reduce the shock of the mine car during the collision, but also can protect the blocking claw 12, the non-return portion 20 and the wheel 100 of the mine car at the same time.
Further preferably, the traveling rail 90 is provided with a limit frame 91 for moving the rotating shaft 13, wherein the movement includes rotation and axial play of the rotating shaft 13, and the movable sleeve 11 is located in the limit frame 91;
the blocking device further comprises a buffer spring 80, the buffer spring 80 is sleeved on the rotating shaft 13, a limiting seat 14 is arranged at one end, away from the wheel blocking part 10, of the rotating shaft 13, and the buffer spring 80 is arranged between the limiting frame 91 and the limiting seat 14 in a compressed state. Thus, on the premise that the limit frame 91 limits the movable sleeve 11, the compressed buffer spring 80 can ensure that the wheel stopper 10 is attached to the right end of the limit frame 91, when the mine car comes, the front wheel of the mine car abuts against the wheel stopper 10, the buffer spring 80 plays a buffer role, the limit frame 91 can also play a limit limiting role, and the blocking effect of the wheel stopper 10 is enhanced.
Preferably, with reference to fig. 3, an enlarged schematic view of the weighing car stopper at the backstop 20 is shown, wherein the representation of the backstop in two states (identified by solid and dashed lines, respectively) is shown. The reverse stopping piece 20 is a gravity rotation reverse stopping claw and further comprises a gravity part 22, wherein the gravity part 22 is connected below the reverse stopping part 21. On one side of the backstop 20 far away from the wheel stopper 10, the backstop 21 and the gravity part 22 extend along the same inclined direction, on the opposite side, the gravity part 22 is provided with a gravity block 221 protruding out of the backstop 21, meanwhile, the backstop 20 is hinged on the weighing rail 30 through one end of the gravity part 22 close to the backstop 21, the weighing rail 30 is provided with a limit notch 31 for moving the backstop 21, so that the backstop 21 can be obliquely protruded upwards and protrude out of the weighing rail 30 by a certain height in an initial state based on the gravity action and the hinge point position of the backstop 20, a front wheel of a mine car can normally press the backstop 21 to pass through, and after the wheel passes through, the backstop 20 automatically resets, and under the action of the limit notch 31, the backstop 20 blocks the front wheel in the backward moving direction of the front wheel, preventing the mine car from sliding backwards.
Further preferably, the check portion 21 is integrally formed with the gravity portion 22, or detachably connected. When integrated into one piece, it is convenient the manufacturing shaping of contrary piece 20 that ends, and when can dismantling the connection, can be under different situation or environment, through changing gravity portion 22 is relative the gravity difference of contrary portion 21 that ends, and then produces the contrary power of ending of equidimension not, or convenient maintenance and maintenance when damaging.
It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The advantages of the present invention are already complete and effectively realized. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.
Claims (9)
1. The mine car arrester that weighs for the mine car fixed point ration loads the material, is set up on the track of marcing of mine car, its characterized in that, the arrester that weighs includes:
the device comprises a blocking device and a lifting device, wherein the blocking device comprises two wheel stoppers capable of automatically lifting and lowering and a check part arranged on the force-bearing side of the wheel stoppers, the two wheel stoppers respectively correspond to wheels on two sides of the mine car in the traveling direction, the force-bearing side is the side of the wheel stoppers close to the wheels of the mine car, the check part and the wheel stoppers keep a preset distance, the preset distance is 1.2-1.6 times of the outer diameter of the wheels of the mine car, the check part is provided with a lifting check part, and the check part is configured to only allow the wheels of the mine car to pass in the forward direction; and
the weighing assembly comprises weighing rails, weighing oil cylinders, four pressure sensors and a controller, wherein the weighing rails are independently arranged relative to the advancing rails along the extending direction of the advancing rails and are close to the stress side of the wheel blocking piece, the four weighing oil cylinders are respectively and uniformly supported and arranged at four corners of the weighing rails, the sensing ends of the pressure sensors are respectively located in piston cavities of the four weighing oil cylinders and used for sensing the internal pressure of the weighing oil cylinders when the mine car loads materials and transmitting the sensed internal pressure electric signals to the controller, and a PLC control system is preset in the controller.
2. The mine car weighing car arrester of claim 1, wherein the top surface of the weighing rail is higher than or flush with the rail surface of the running rail in the height direction.
3. The mine car weighing car arrester of claim 2, wherein the weighing rails are raised a distance of 0.5mm to 2mm above the rail surface of the running rail when the top surface of the weighing rails is above the rail surface of the running rail.
4. The mine car weighing car arrester of claim 1, wherein the arresting device further comprises a driving mechanism for driving the wheel arresting members to ascend and descend, the driving mechanism includes a transmission shaft, a driving cylinder and a link structure, wherein the transmission shaft extends along the running direction of the mine car and is close to the middle of the running rail, the transmission shaft is rotatably disposed on the running rail, the transmission shaft is fixedly sleeved with an adapter rod, the adapter rod is hinged with the telescopic end of the driving cylinder, the telescopic end of the driving cylinder is located below the transmission shaft in the horizontal direction, the fixed end of the driving cylinder is hinged with the running rail, the driving cylinder is in electrical signal connection with the controller, one end of the transmission shaft is respectively matched with the two wheel arresting members through the link structure so that when the transmission shaft is driven to rotate, the two wheel stoppers can be driven to synchronously rotate to ascend or descend through the connecting rod structure.
5. The weighing car arrester of claim 4, wherein the link structure includes two fixed links fixedly disposed on the sides of the two wheel stoppers, respectively, and a link fixedly disposed on the transmission shaft, wherein the two ends of the link are hinged to the two fixed links, respectively, and the transmission shaft is disposed below the wheel stoppers;
the wheel blocking piece comprises a movable sleeve and blocking claws arranged on the surface of the movable sleeve, the fixed rod is fixedly connected with the movable sleeve, a rotating shaft is fixedly embedded in the movable sleeve, and the rotating shaft is rotatably arranged on the travelling track.
6. The mine car weighing car arrester of claim 5 wherein the force-bearing side of the arresting claw and the side of the backstop portion adjacent the wheel arrester are provided with protective pads.
7. The mine car weighing car arrester of claim 5, wherein the travel track is provided with a limit frame for movement of the rotating shaft, wherein the movement includes rotation and axial play of the rotating shaft, and the movable sleeve is located within the limit frame;
the blocking device further comprises a buffer spring, the buffer spring is sleeved on the rotating shaft, a limiting seat is arranged at one end, away from the wheel blocking piece, of the rotating shaft, and the buffer spring is arranged between the limiting frame and the limiting seat in a compressed state.
8. The weighing car arrester of claim 7, wherein the backstop is a gravity-rotating backstop, further comprising a gravity portion, wherein the gravity portion is connected below the backstop, the backstop and the gravity portion extend in the same inclined direction on the side of the backstop away from the wheel stopper, the gravity portion has a gravity block protruding out of the backstop on the opposite side, the backstop is hinged to the weighing rail by the end of the gravity portion near the backstop, and the weighing rail is provided with a limit notch for the movement of the backstop.
9. The mine car weighing car stop of claim 8, wherein the non-return portion is integrally formed with the gravity portion or is removably attached thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221382626.XU CN217227559U (en) | 2022-06-06 | 2022-06-06 | Weighing car arrester for mine car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221382626.XU CN217227559U (en) | 2022-06-06 | 2022-06-06 | Weighing car arrester for mine car |
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| CN217227559U true CN217227559U (en) | 2022-08-19 |
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| CN202221382626.XU Active CN217227559U (en) | 2022-06-06 | 2022-06-06 | Weighing car arrester for mine car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116513257A (en) * | 2023-05-22 | 2023-08-01 | 徐州中矿科光机电新技术有限公司 | Railway car arrester for stabilizing underground coal mine transport vehicle |
-
2022
- 2022-06-06 CN CN202221382626.XU patent/CN217227559U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116513257A (en) * | 2023-05-22 | 2023-08-01 | 徐州中矿科光机电新技术有限公司 | Railway car arrester for stabilizing underground coal mine transport vehicle |
| CN116513257B (en) * | 2023-05-22 | 2023-10-27 | 徐州中矿科光机电新技术有限公司 | Railway car arrester for stabilizing underground coal mine transport vehicle |
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