CN212861416U

CN212861416U - Automatic brake device

Info

Publication number: CN212861416U
Application number: CN202021956016.7U
Authority: CN
Inventors: 付志斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-04-02
Anticipated expiration: 2030-09-09

Abstract

The utility model belongs to the technical field of mine car safety protection equipment. An automatic brake device is used for braking mine car wheels of a mine car and comprises a centrifugal block, a brake block and a safety locking plate, wherein the middle part of the centrifugal block is pivoted on the mine car wheels, and a first spring is arranged between the first end part of the centrifugal block and the mine car wheels; the brake block is arranged at the front part of the mine car wheel, the end part of the brake block is provided with a guide rod, and a guide slideway corresponding to the guide rod is arranged on the car body of the mine car; the middle part of the safety locking plate is pivoted on the car body of the mine car, a second spring is arranged between the first end part of the safety locking plate and the car body of the mine car, a locking hook is arranged at the second end part of the safety locking plate, and a hook corresponding to the locking hook is arranged on the brake block or the guide rod. The application has reasonable and compact structural design, and can brake according to the running speed of the mine car, thereby improving the running safety of the mine car.

Description

Automatic brake device

Technical Field

The utility model belongs to the technical field of mine car safety protection equipment, concretely relates to automatic brake device.

Background

Mine cars are narrow-gauge inclined-shaft railway transport vehicles for transporting bulk materials such as coal, ore, waste rock and the like in mines, and the ore-carrying mine cars are usually lifted to the ground through winches and steel wire ropes hung on main mine car hooks; however, in the process of inclined lifting, if a steel wire rope is suddenly broken or unhooked, the mine car is immediately out of control, the mine car can be damaged, the phenomenon of 'runaway' generally exists in various mine mountains and often occurs in various mine mountains, great loss is caused to mine mountain enterprises and mine workers, and the problem of preventing the mine car from running in the inclined shaft is always a troublesome problem which needs to be solved urgently in mine production.

The currently published patent publication No. CN2067973590, (a self-speed-limiting power generation device for mine cars) is also a utility model for automatic parking. The safety of the problems solved in the above is low, 1, the utility model adopts the generator, the charger and the storage battery to supply power, the safety of the utility model cannot be improved, and especially unpredictable risks are generated after power failure; 2. the maintenance cost is high, and the fault rate is higher.

Disclosure of Invention

The utility model aims at the problem that above-mentioned exists with not enough, provide an automatic brake equipment, its structural design is reasonable compact, can carry out brake braking according to the mine car speed of traveling to improve the security of its operation.

In order to realize the purpose, the adopted technical scheme is as follows:

an automatic brake device for braking a mine wheel of a mine car, comprising:

the middle part of the centrifugal block is pivoted on the mine car wheel, and a first spring is arranged between the first end part of the centrifugal block and the mine car wheel;

the brake block is positioned at the front part of the mine car wheel, a guide rod is arranged at the end part of the brake block, and a guide slideway corresponding to the guide rod is arranged on the car body of the mine car; and

the middle part of the safety locking plate is pivoted on the body of the mine car, a second spring is arranged between the first end part of the safety locking plate and the body of the mine car, a locking hook is arranged at the second end part of the safety locking plate, and a hook corresponding to the locking hook is arranged on the brake block or the guide rod;

when the mine car is overspeed, the second end part of the centrifugal block moves outwards and drives the safety locking plate to rotate, the locking hook is separated from the hook, and the brake block slides downwards to a position between the front part of the mine car wheel and the track.

According to the utility model discloses automatic brake equipment, preferably, still include the striking plate, striking plate middle part pin joint sets up on the mine car wheel or on the automobile body of mine car, the striking plate is the L type, the first end of striking plate with the centrifugation piece sets up relatively, the second tip of striking plate with the safety lock board sets up relatively.

According to the utility model discloses automatic brake equipment, preferably, the pin joint axle department of stirring board is provided with the torsional spring, be provided with on the mine car wheel with the first stopper that the centrifugation piece corresponds, the mine car wheel or be provided with on the automobile body of mine car with the second stopper that the stirring board corresponds, be provided with on the automobile body of mine car with the third stopper that the safety lock board corresponds.

According to the utility model discloses automatic brake equipment, preferably, the second end of safety locking plate is provided with the arc surface, the arc surface with the second end of stirring board corresponds.

According to the utility model discloses automatic brake equipment, preferably, the brake block with the guide bar is articulated through the hinge axis.

According to the utility model discloses automatic brake equipment, preferably, be provided with on the guide bar with the lower spacing piece that the brake pad corresponds, lower spacing piece restriction the brake pad downswing.

According to the utility model discloses automatic brake equipment, preferably, be provided with the direction spout on the guide bar, the direction slide is the guide sleeve, be provided with the guide block that corresponds with the direction spout on the guide sleeve inner wall; and the upper end part of the guide rod is provided with a third spring or a blocking head.

According to the utility model discloses automatic brake equipment, preferably, the transversal U type of personally submitting of brake pad, the U type opening of brake pad is down.

According to the utility model discloses automatic brake device, preferably, the front end of brake pads is the V type.

According to the utility model discloses automatic brake equipment, preferably, the brake pads is the rubber block, be provided with the braking piece in the U type opening of brake pads.

By adopting the technical scheme, the beneficial effects are as follows:

the utility model discloses simple structure, manufacturing cost is lower, and the centrifugation piece is for installing on the mining vehicle wheel, moves according to the speed of a motor vehicle automatically, can overcome the effort of spring, and gradually outwards rotates along with the increase of speed of a motor vehicle, and then the brake equipment that starts, the utility model relates to an uniqueness, the braking response is nimble, can realize once the action to the safety locking plate every rotation a week to avoid the dead phenomenon of card to take place, can ensure to realize the braking that moves down of braking piece when speeding; this application braking force is powerful, and the brake is reliable, effectively prevents the sports car, reduces the mine accident.

This application passes through the setting of spring, stopper, can ensure the motion range of each part, realizes the driven flexibility and the reliability of action between the part, and this application has realized automatic braking's purpose through mechanical action, greatly reduced manufacturing cost, the assembly on the mine car equipment of being more convenient for, and this application whole convenient assembling can the mass use, safe and reliable.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.

Fig. 1 is one of schematic structural views of an automatic brake device according to an embodiment of the present invention.

Fig. 2 is a second schematic structural view of an automatic brake device according to an embodiment of the present invention.

FIG. 3 is a schematic view of an automatic brake device according to an embodiment of the present invention mounted on a mine car.

Figure 4 is a schematic structural view of a brake pad according to an embodiment of the present invention.

Number in the figure:

101 is a vehicle body, 102 is a mine wheel and 103 is a track;

200 is a centrifugal block, 201 is a first spring, and 202 is a first limit block;

310 is a brake block, 320 is a guide rod, 330 is a guide slideway, 340 is a lower limit block, 350 is a guide chute, 360 is a stop head, and 370 is a hook;

400 is a safety lock plate, 401 is a second spring, 402 is an arc surface, 403 is a lock hook, and 404 is a third limit block;

501 is a poke plate, 502 is a second limit block.

Detailed Description

The embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art.

In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for describing various elements of the present invention, and do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.

It should be noted that when an element is referred to as being "connected," "coupled," or "connected" to another element, it can be directly connected, coupled, or connected, but it is understood that intervening elements may be present therebetween; i.e., positional relationships encompassing both direct and indirect connections.

It should be noted that the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.

It should be noted that terms indicating orientation or positional relationship such as "upper", "lower", "left", "right", and the like, are used only for indicating relative positional relationship, which is for convenience of describing the present invention, and not that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation; when the absolute position of the object to be described is changed, the relative positional relationship may also be changed accordingly.

Referring to fig. 1-4, the application discloses an automatic brake device for braking a mine car wheel 102 of a mine car, which comprises a centrifugal block 200, a brake block 310 and a safety lock plate 400, wherein the middle part of the centrifugal block 200 is pivoted on the mine car wheel 102, and a first spring 201 is arranged between the first end part of the centrifugal block 200 and the mine car wheel 102; the brake block 310 is positioned at the front part of the mine car wheel 102, the end part of the brake block 310 is provided with a guide rod 320, and the body 101 of the mine car is provided with a guide slideway 330 corresponding to the guide rod 320; the middle part of the safety lock plate 400 is pivoted on the body 101 of the mine car, a second spring 401 is arranged between the first end part of the safety lock plate 400 and the body 101 of the mine car, a lock hook 403 is arranged at the second end part of the safety lock plate 400, and a hook 370 corresponding to the lock hook is arranged on the brake block or the guide rod; when the mine car runs at overspeed, the second end of the centrifugal block 200 acts outwards and drives the safety locking plate 400 to rotate, the locking hook 403 is disengaged from the hook 370, and the brake block 310 slides downwards to a position between the front part of the mine car wheel 102 and the track 103.

Above-mentioned structure assembled can directly install on mine wheel or automobile body, also can install the bottom plate additional on mine wheel or automobile body to be used for bearing above-mentioned structure, it is more convenient to realize the assembly, is more convenient for upgrade the transformation to current mine car.

The mining car is further provided with a poking plate 501, the middle part of the poking plate 501 is pivoted on a mine car wheel 102 or a car body 101 of the mining car, the poking plate 501 is L-shaped, the first end part of the poking plate 501 is arranged opposite to the centrifugal block 200, and the second end part of the poking plate 501 is arranged opposite to the safety lock plate 400.

Further, a torsion spring is arranged at the pivot shaft of the poking plate 501, a first limit block 202 corresponding to the centrifugal block 200 is arranged on the mine car wheel 102, a second limit block 502 corresponding to the poking plate is arranged on the mine car wheel or the mine car body, and a third limit block 404 corresponding to the safety locking plate 400 is arranged on the mine car body 101.

The second end of the safety lock plate 400 is provided with an arc surface 402, and the arc surface 402 corresponds to the second end of the toggle plate 501.

The brake block 310 is hinged with the guide rod 320 through a hinge shaft; the guide rod 320 is provided with a lower limit block 340 corresponding to the brake block 310, the lower limit block 340 limits the brake block 310 from swinging downwards, namely the brake block cannot swing downwards under the action of gravity under normal conditions, and under the braking condition, the brake block can rotate relative to the guide rod, so that the brake block is clamped between a mine wheel and a track to realize braking.

Preferably, a guide chute 350 is arranged on the guide rod 320, the guide slideway 330 is a guide sleeve, and a guide block corresponding to the guide chute 350 is arranged on the inner wall of the guide sleeve; the upper end of the guide rod is provided with a third spring or stop head 360 which prevents further sliding down of the guide rod and brake pad.

In this embodiment, the cross section of the brake pad 310 is U-shaped, the front end of the brake pad 310 is V-shaped, the U-shaped opening of the brake pad 310 faces downward, the brake pad 310 is a rubber pad, a plurality of brake pads may be arranged in the U-shaped opening of the rubber pad, the rubber pad may be used alone, or a plurality of brake pads may be arranged in the rubber pad.

Under normal conditions, the centrifugal block is separated from the shifting plate under the action of a first spring (compression spring) and a first limiting block, and only when the mine car wheel reaches a certain speed, the centrifugal block overcomes the acting force of the first spring and rotates outwards; the poking plate is in a reset state under the action of the torsion spring, and the poking plate can be relatively and stably arranged on the vehicle body or the mine car wheel through the second limiting block; only when the centrifugal wheel pushes one end of the poking plate, the other end of the poking plate can rotate outwards, and the safety locking plate is poked; the safety lock plate in the embodiment keeps relatively stable under the action of the second spring and the third limiting block, and when the poking plate pokes the end part of the safety lock plate, the safety lock plate can rotate only by overcoming the acting force of the second spring, so that the lock hook is separated from the hook; the brake block in the embodiment is suspended on the upper portion of the rail and the front portion of the mine wheel under the action of the guide rod and the hook in the initial state, when the lock hook and the hook are separated, the guide rod slides downwards under the action of gravity, the brake block is in contact with the rail, and the brake block is clamped with the rail through rolling of the mine wheel, so that the purpose of braking is achieved.

In the application process, the automatic braking devices are generally required to be arranged on the left corresponding mine wheel and the right corresponding mine wheel at least.

While the above description has described in detail the preferred embodiments for carrying out the invention, it should be understood that these embodiments are presented by way of example only, and are not intended to limit the scope, applicability, or configuration of the invention in any way. The scope of the invention is defined by the appended claims and equivalents thereof. Many modifications may be made to the foregoing embodiments by those skilled in the art in light of the teachings of the present disclosure, and such modifications are intended to be within the scope of the present disclosure.

Claims

1. An automatic brake device for braking mine wheels of a mine car, comprising:

2. The automatic brake device of claim 1, further comprising a toggle plate, wherein the middle portion of the toggle plate is pivotally connected to the mine car wheel or the car body of the mine car, the toggle plate is L-shaped, the first end portion of the toggle plate is disposed opposite to the centrifugal block, and the second end portion of the toggle plate is disposed opposite to the safety lock plate.

3. The automatic brake device according to claim 2, wherein a torsion spring is disposed at the pivot shaft of the toggle plate, a first limit block corresponding to the centrifugal block is disposed on the mine car wheel, a second limit block corresponding to the toggle plate is disposed on the mine car wheel or the mine car body, and a third limit block corresponding to the safety lock plate is disposed on the mine car body.

4. The automatic brake apparatus according to claim 2 or 3, wherein the second end of the safety lock plate is provided with an arc surface corresponding to the second end of the toggle plate.

5. The automatic brake apparatus of claim 1, wherein the brake shoe is hinged to the guide bar by a hinge shaft.

6. The automatic brake device according to claim 5, wherein the guide bar is provided with a lower stopper corresponding to the brake pad, and the lower stopper restricts downward swing of the brake pad.

7. The automatic brake device according to claim 1, wherein a guide chute is provided on the guide rod, the guide chute is a guide sleeve, and a guide block corresponding to the guide chute is provided on an inner wall of the guide sleeve; and the upper end part of the guide rod is provided with a third spring or a blocking head.

8. The automatic brake device according to claim 1, wherein the brake pad has a U-shaped cross section with a U-shaped opening facing downward.

9. The automatic brake apparatus of claim 8, wherein the front end of the brake pad is V-shaped.

10. The automatic brake device according to claim 8 or 9, wherein the brake block is a rubber block, and a brake pad is disposed in the U-shaped opening of the brake block.