CN214189644U

CN214189644U - Mining trolley capable of braking

Info

Publication number: CN214189644U
Application number: CN202023180439.7U
Authority: CN
Inventors: 刘会军
Original assignee: Anyang Zhongmei Machinery Manufacturing Co ltd
Current assignee: Anyang Zhongmei Machinery Manufacturing Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-09-14
Anticipated expiration: 2030-12-25

Abstract

The utility model provides a mining trolley that can brake, it is provided with closing device on the layer board and is used for controlling closing device to compress tightly or loosen the drive arrangement of wheel, closing device include the clamp plate, and the clamp plate setting still is provided with on the layer board to be used for with clamp plate sliding fit's slide rail, the clamp plate can be under drive arrangement's drive, be close to or keep away from the wheel along the slide rail to compress tightly or loosen the wheel, make the stability of mine car more, not only can carry out emergency braking when the operation, can prevent moreover that the mine car from when static, owing to receive external force and slide.

Description

Mining trolley capable of braking

Technical Field

The utility model relates to a mine car field particularly, relates to a mine trolley that can brake.

Background

The special vehicle for mine track transportation is suitable for narrow and small conditions of underground roadways, and has compact overall dimension. There are trucks, man cars, skip cars, etc., and mine cars are narrow-gauge railway transport vehicles for transporting bulk materials such as coal, ore and waste rock in mines, and generally need to be towed by locomotives or winches. The mine car is divided into the following parts according to different structures and unloading modes: the fixed mine car (material car, flat car), tipping bucket mine car, unilateral bend side dump car, bottom (side) dump car and shuttle car are 5 kinds of big, draw by locomotive or winch, transport the vehicle of coal, waste rock, apparatus and personnel, the mine car is mainly used for the track transportation of the underworkings of the mine, pit shaft and ground, it is a kind of transportation equipment that the consumption is the biggest in the colliery, uses extensively, the common gauge is 600, 762, 900mm, the standard or narrow rail railway transport vehicle of bulk supplies such as the ore, waste rock and coal of transporting in the mine, generally draw with locomotive or winch, except that the mine car transporting the bulk material, the mining vehicle also has flat car, material car specialized for transporting the material; a man car in an inclined shaft and a man car in a drift; other special vehicles, such as explosive truck, water supply truck, fire truck, sanitary truck, etc., transport bulk materials on portable rail by manpower, winch or tractor dragging, the bulk building material is conveyed in building site, and is formed from hopper, frame, walking wheels and coupling device, the fixed mine car hopper is fixedly connected with frame, and the mine car must be turned over by means of car-turning machine to unload material, the skip-type mine car hopper is supported on the turning rail of frame, the hopper can be turned over on the turning rail to unload material, and the mine car can be used as an indispensable equipment in the ore mining operation, in the process of moving on the slide rail, stable braking operation is sometimes needed to carry out mining operation, but most of the traditional mine cars do not have the braking function, therefore, the mine car is moved on the slide rail, the mining operation is greatly influenced, the introduction and the defects of the prior art are overcome, and the stabilizing and braking device of the mine car is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mining dolly that can brake, it is provided with closing device on the layer board and is used for controlling closing device and compresses tightly or loosen the drive arrangement of wheel, closing device include the clamp plate, and the clamp plate setting still is provided with on the layer board to be used for with clamp plate sliding fit's slide rail, the clamp plate can be under drive arrangement's drive, be close to or keep away from the wheel along the slide rail to compress tightly or loosen the wheel, make the stability more of mine car, not only can carry out emergency braking when the operation, can prevent moreover that the mine car from when static, owing to receive external force and slide.

The embodiment of the utility model is realized like this:

a mine trolley capable of being braked comprises a mine trolley hopper and a supporting plate, wherein the mine trolley hopper is arranged at the top end of the supporting plate, wheels used for driving the supporting plate to move are arranged on the supporting plate, the wheels are connected to a rail in a sliding mode, a pressing device used for pressing the wheels is arranged at one end of each wheel, and a driving device used for controlling the pressing device to press or loosen the wheels is arranged on the supporting plate; the pressing device comprises a pressing plate, the pressing plate is arranged on the supporting plate, a sliding rail in sliding fit with the pressing plate is further arranged on the supporting plate, and the pressing plate can be driven by the driving device to be close to or far away from the wheels along the sliding rail so as to press or loosen the wheels.

Preferably, drive arrangement includes stay cord, pivot, the stay cord is including being located the expansion end and the stiff end at its both ends respectively, the stiff end is connected on the clamp plate, the one end setting of pivot is in on the layer board, its other end quilt the expansion end encircles the connection, the stay cord accessible the rotation of pivot makes the clamp plate slides to compress tightly or loosen the wheel.

Preferably, a sliding plate is arranged on the pressing plate, and the pressing plate can be in sliding connection with the supporting plate through the matching of the sliding plate and the sliding rail.

Preferably, the sliding plate is further provided with an elastic piece for driving the sliding plate to reset, one end of the elastic piece is connected to the pressing plate, and the other end of the elastic piece is connected to the inner wall of the sliding rail.

Preferably, the elastic member is a spring.

Preferably, the rotating shaft is provided with a ratchet wheel capable of rotating around the rotating shaft, and the supporting plate is provided with a pawl capable of controlling the ratchet wheel to rotate in one direction.

Preferably, the supporting plate is further provided with a movable rod for mounting the pawl, and the movable rod is movably connected with the supporting plate.

Preferably, a handle is arranged at one end, far away from the movable end, of the rotating shaft.

Preferably, one end of the rotating shaft, which is far away from the movable end, is provided with a motor for driving the rotating shaft to rotate

Preferably, the rotating shaft is provided with a limiting ring for preventing the movable end from being dislocated, and the limiting ring is arranged around the rotating shaft.

The embodiment of the utility model provides a beneficial effect is:

the embodiment of the utility model provides a mine trolley that can brake, it is provided with closing device on the layer board and is used for controlling closing device to compress tightly or loosen the drive arrangement of wheel, closing device include the clamp plate, and the clamp plate setting still is provided with on the layer board and is used for with clamp plate sliding fit's slide rail, and the clamp plate can be under drive arrangement's drive, be close to or keep away from the wheel along the slide rail to compress tightly or loosen the wheel, make the stability more of mine car, not only can carry out emergency braking when the operation, can prevent that the mine car from when static moreover, owing to receive external force and slide.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic perspective view of a mining trolley capable of braking according to an embodiment of the present invention;

fig. 2 is a schematic front perspective view of a mining trolley capable of braking according to an embodiment of the present invention;

FIG. 3 is a schematic view of the structure of a ratchet and a pawl of the mining trolley capable of braking according to the embodiment of the present invention;

fig. 4 is a schematic perspective view of a pawl and a movable rod of a mining trolley capable of braking according to an embodiment of the present invention;

icon: 100-mine car hopper; 200-a pallet; 210-a mounting plate; 211-ratchet wheel; 212-a rotating shaft; 2121-a limit ring; 213-pawl; 214-a movable rod; 215-a slide rail; 216-an elastic member; 220-a press plate; 221-a slide plate; 222-a pull cord; 300-track; 400-vehicle wheels.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

As shown in fig. 1, the embodiment provides a mining trolley capable of braking, which includes a mine car hopper 100 and a supporting plate 200, wherein the mine car hopper 100 is disposed at a top end of the supporting plate 200, the supporting plate 200 is provided with two pairs of wheels 400 for driving the supporting plate to move, the two pairs of wheels 400 are respectively disposed at two ends of the supporting plate 200 along a length direction thereof, the wheels 400 are slidably connected to a rail 300, one end of each wheel 400 is provided with a pressing device for pressing the wheel 400, the supporting plate 200 is provided with a driving device for controlling the pressing device to press or release the wheel 400, the pressing device includes a pressing plate 220, the pressing plate 220 is disposed at one end of the supporting plate 200 along the length direction thereof and is located between the pair of wheels 400, one end of the supporting plate 200 along the length direction thereof is further provided with a sliding rail 215 for slidably fitting with the pressing plate 220, the pressing plate 220 can be driven by the driving device to move along the sliding rail 215 toward or away from the wheel 400 so as to press or release the wheel 400.

The working principle of the embodiment is as follows: when the mine car needs to be braked, the driving device is started, the pressure plate 220 gradually draws close to the wheel 400 under the action of the driving device and gradually presses the wheel 400, and the friction force of the pressure plate 220 on the wheel 400 is gradually increased, namely, the speed is reduced until the rotation is stopped.

The embodiment provides a mining trolley capable of braking, wherein a pressing device and a driving device used for controlling the pressing device to press or release wheels 400 are arranged on a supporting plate 200, the pressing device comprises a pressing plate 220, the pressing plate 220 is arranged on the supporting plate 200, a sliding rail 215 used for being in sliding fit with the pressing plate 220 is further arranged on the supporting plate 200, the pressing plate 220 can be driven by the driving device to be close to or far away from the wheels 400 along the sliding rail 215 so as to press or release the wheels 400, the mining trolley is more stable, emergency braking can be carried out in operation, and the mining trolley can be prevented from sliding due to external force when the mining trolley is static.

Example 2

As shown in fig. 1 and 2, the present embodiment is substantially the same as the above embodiments, except that the driving device includes a pull rope 222 and a rotating shaft 212, the pull rope 222 includes a movable end and a fixed end respectively located at two ends thereof, the fixed end is connected to the pressing plate 220, one end of the rotating shaft 212 is disposed on the supporting plate 200, and the other end thereof is connected by the movable end in a surrounding manner, and the pull rope 222 can make the pressing plate 220 slide by the rotation of the rotating shaft 212 to press or release the wheel 400.

In order to prevent the sliding of the mine car when the mine car is stationary, one end of the pull rope 222 is connected to the pressure plate 220, the other end of the pull rope 222 is arranged on the rotating shaft 212 in a surrounding mode, when the mine car needs to be braked, the rotating shaft 212 is rotated, the movable end of the pull rope 222 is wound on the rotating shaft 212, and the pull rope 222 drives the pressure plate 220 to approach the wheel 400 and press the wheel 400 tightly.

Example 3

As shown in fig. 1 and 2, the present embodiment is substantially the same as the above embodiments, except that a sliding plate 221 is disposed on the pressing plate 220, and the pressing plate 220 can be slidably connected to the supporting plate 200 by the cooperation of the sliding plate 221 and the sliding rail 215.

Example 4

As shown in fig. 1 and 2, this embodiment is substantially the same as embodiment 2, except that the sliding plate 221 is further provided with an elastic member 216 for driving the sliding plate to return, one end of the elastic member 216 is connected to the pressing plate 220, and the other end thereof is connected to the inner wall of the sliding rail 215, and the elastic member 216 is a spring.

Unlike embodiment 2, in this embodiment, when the wheel 400 is not required to be braked, the shaft 212 is released, and the elastic member 216 gives the pressure plate 220 a restoring elastic force, so that the pressure plate 220 can rapidly release the wheel 400.

Example 5

As shown in fig. 1 and 2, this embodiment is substantially the same as embodiment 2, except that the rotating shaft 212 is provided with a ratchet wheel 211 capable of rotating around it, and the supporting plate 200 is provided with a pawl 213 capable of controlling the ratchet wheel 211 to rotate in one direction.

When the rotating shaft needs to be fixed, the pawl 213 only needs to be buckled in the gear teeth of the ratchet wheel 211, and the pawl 213 can prevent the rotating shaft 212 from rotating due to the pulling force of the pulling rope.

Example 6

As shown in fig. 3 and 4, the present embodiment is substantially the same as the above embodiments, except that the supporting plate 200 is further provided with a movable rod 214 for mounting the pawl 213, and the movable rod 214 is movably connected with the supporting plate 200.

When it is not necessary to prevent the rotation of the rotation shaft 212, the movable rod 214 is slid in a direction to approach the support plate 200 so that the pawl 213 no longer limits the ratchet wheel 211.

Example 7

As shown in fig. 3 and 4, the present embodiment is substantially the same as the above embodiments, except that a handle is disposed at an end of the rotating shaft 212 far from the movable end. The arrangement of the handle can facilitate the operation of workers.

Example 8

As shown in fig. 1 and 4, the present embodiment is substantially the same as the above embodiments, except that a motor for driving the rotation shaft to rotate is disposed at an end of the rotation shaft 212 far from the movable end.

The motor can drive the rotating shaft 212 to rotate, so that the pressing plate can press or loosen the wheels, and a worker can set a switch electrically connected with the motor, and the motor can be started or stopped by operating the switch.

Example 9

As shown in fig. 3 and 4, the present embodiment is substantially the same as the above embodiments, except that a stop ring 2121 for preventing the movable end from being dislocated is disposed on the rotating shaft 212, and the stop ring 311 is disposed around the rotating shaft 212.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a mining trolley that can brake, includes mine car hopper (100), layer board (200), mine car hopper (100) set up in the top of layer board (200), be provided with on layer board (200) and be used for driving it and carry out wheel (400) that remove, wheel (400) sliding connection is on track (300), its characterized in that:

a pressing device used for pressing the wheel (400) is arranged at one end of the wheel (400), and a driving device used for controlling the pressing device to press or loosen the wheel (400) is arranged on the supporting plate (200);

the pressing device comprises a pressing plate (220), the pressing plate (220) is arranged on the supporting plate (200), a sliding rail (215) which is in sliding fit with the pressing plate (220) is further arranged on the supporting plate (200), and the pressing plate (220) can be driven by the driving device to be close to or far away from the wheel (400) along the sliding rail (215) so as to press or loosen the wheel (400).

2. The mining trolley capable of being braked according to claim 1, wherein the driving device comprises a pull rope (222) and a rotating shaft (212), the pull rope (222) comprises a movable end and a fixed end which are respectively positioned at two ends of the pull rope, the fixed end is connected to the pressure plate (220), one end of the rotating shaft (212) is arranged on the supporting plate (200), the other end of the rotating shaft is connected by the movable end in a surrounding mode, and the pull rope (222) can enable the pressure plate (220) to slide through rotation of the rotating shaft (212) so as to press or release the wheel (400).

3. The mining trolley capable of being braked according to claim 2, characterized in that a sliding plate (221) is arranged on the pressure plate (220), and the pressure plate (220) can be in sliding connection with the supporting plate (200) through the matching of the sliding plate (221) and the sliding rail (215).

4. A mining trolley as claimed in claim 3, characterised in that the skid plate (221) is further provided with an elastic member (216) for driving the skid plate to return, one end of the elastic member (216) is connected to the pressure plate (220), and the other end thereof is connected to the inner wall of the slide rail (215).

5. Mining trolley according to claim 4, characterized in that the elastic element (216) is a spring.

6. The mining trolley capable of being braked according to claim 5, characterized in that the rotating shaft (212) is provided with a ratchet wheel (211) capable of rotating around the rotating shaft, and the supporting plate (200) is provided with a pawl (213) capable of controlling the ratchet wheel (211) to rotate in one direction.

7. A mining trolley according to claim 6, characterized in that the carrier plate (200) is further provided with a movable rod (214) for mounting the pawl (213), the movable rod (214) being movably connected with the carrier plate (200).

8. The mining trolley capable of being braked according to claim 7, characterized in that the end of the rotating shaft (212) remote from the movable end is provided with a handle.

9. Mining trolley according to claim 8, characterized in that,

and one end of the rotating shaft (212), which is far away from the movable end, is provided with a motor for driving the rotating shaft (212) to rotate.