CN214240756U

CN214240756U - Automatic emergency stop device for mine car

Info

Publication number: CN214240756U
Application number: CN202023280970.1U
Authority: CN
Inventors: 付青山; 张翔
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-21
Anticipated expiration: 2030-12-31

Abstract

The utility model provides an automatic emergency stop device of mine car belongs to mine car technical field. The automatic emergency stop device for the mine car comprises the mine car, a generator, a control mechanism, a brake assembly and a car rail. The mine car comprises a car body, an axle and wheels, wherein the axle is arranged at the bottom of the car body, and the wheels are arranged at the end parts of the axle. The generator includes a stator and a rotor. Control mechanism includes automatically controlled board, electromagnetism subassembly, inductive head and permanent magnet, automatically controlled board set up in bottom of the vehicle body one side, the electromagnetism subassembly includes box, electro-magnet and electromagnet axle and first elastic component, just first elastic component one side with box fixed connection, the inductive head connect in automatically controlled board below, just the inductive head with automatically controlled board electric connection. The generated energy is adopted to sense the speed of the car, and the car is braked by means of the resistance of the sleepers and the friction force of the brake plates, so that the running safety performance of the mine car is improved.

Description

Automatic emergency stop device for mine car

Technical Field

The utility model relates to a mine car field particularly, relates to an automatic emergency stop device of mine car.

Background

The mine car is a narrow-gauge railway transport vehicle for transporting bulk materials such as coal, ore and waste rocks in mines and generally needs to be towed by a locomotive or a winch. The mine car is divided into the following parts according to different structures and unloading modes: fixed mine cars (material cars, flat cars), dump trucks, single side bend side dump cars, bottom (side) dump cars, and shuttle cars are 5 categories.

The existing mine car is in the operation process, when the operation speed of the mine car is too high, the mine car cannot be braked in time due to the lack of an induction braking mode, and the safety performance of the mine car in operation is reduced.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides an automatic emergency stop device of mine car aims at improving when the mine car functioning speed is too fast appearing, owing to lack response brake mode, can not in time carry out brake processing, leads to the problem that the security performance of mine car operation reduces.

The utility model discloses a realize like this:

the utility model provides an automatic emergency stop device of mine car, including mine car, generator, control mechanism, brake subassembly and rail.

The mine car comprises a car body, an axle and wheels, wherein the axle is arranged at the bottom of the car body, and the wheels are arranged at the end parts of the axle.

The generator comprises a stator and a rotor, the stator is fixed on the axle, and the rotor is arranged at the middle rotating position of the wheel.

Control mechanism includes automatically controlled board, electromagnetic component, inductive head and permanent magnet, automatically controlled board set up in bottom of the vehicle body one side, the electromagnetic component includes box, electro-magnet and electromagnet axle and first elastic component, the box is fixed in bottom of the vehicle body one side, the electro-magnet set up in one side in the box, the electromagnet axle slide run through in the box, first elastic component cup joint in the electromagnet axle, just first elastic component one side with box fixed connection, the inductive head connect in automatically controlled board below, just the inductive head with automatically controlled board electric connection.

Brake subassembly includes brake block and second elastic component, brake block one side rotate install in the axletree, the brake block is close to electromagnetic component one side is taken electromagnet axle top, the brake block is close to axletree one side connect in the second elastic component, the second elastic component other end connect in bottom of the car body.

The rail is located the automobile body lower part, the wheel roll set up in the rail top, response head tip is close to rail one side, the permanent magnet install in rail bottom one side, the response head with the permanent magnet corresponds the setting.

The utility model discloses an in one embodiment, the automobile body both sides all are equipped with the connecting seat, the connecting seat includes location rivet and traction ring, traction ring fix in automobile body one side, location rivet inserts traction ring.

The utility model discloses an in the embodiment, automatically controlled board with box one side all is connected with the support frame, support frame fixed connection in bottom of the car body.

The utility model discloses an in one embodiment, automatically controlled board bottom fixedly connected with guide arm, the guide arm other end is close to rail one side, the inductive head install in guide arm tip.

The utility model discloses an in one embodiment, the electromagnetism iron shaft is kept away from box one end is fixed to be cup jointed spacing piece, spacing piece one side with first elastic component fixed connection.

The utility model discloses an in one embodiment, the brake block includes plate body and friction portion, the plate body is located first through-hole has been seted up to axletree mounted position, the plate body is close to the second through-hole has been seted up to first through-hole bottom.

In an embodiment of the present invention, the second elastic member includes a connecting rod, a spring and a hook, the hook is disposed at two ends of the connecting rod, the spring is disposed at the middle of the connecting rod, one of the hooks is connected to the second through hole, and the other hook is connected to one side of the bottom of the vehicle body.

In an embodiment of the present invention, the bottom of the vehicle body is located at the hanging position of the hook, and the connecting lug is arranged on the hanging position of the hook.

The utility model discloses an in one embodiment, the rail includes track and sleeper, the track is fixed set up in the sleeper top, the sleeper is in the track bottom interval sets up.

In an embodiment of the present invention, the rail is fixedly connected to the sleeper through a first locking screw, and the sleeper is fixedly connected to the ground through a second locking screw.

The utility model has the advantages that: the utility model discloses a mine car automatic emergency stop device that obtains through above-mentioned design, when using, through adopting the rotor that installs the generator in the wheel on the mine car, the stator of generator is fixed on the axletree, and the permanent magnet is fixed on the ground between the rail, and automatically controlled board, inductive head and electromagnetic component are fixed below the automobile body, and one end of second elastic component is connected on the braking vane, and one end is adorned on the automobile body chassis; one end of the brake plate is sleeved on the axle and is controlled by the electromagnet, when the wheel rotates, the current generated by the generator is transmitted to the electromagnet, and the electromagnet can release the brake according to the electric quantity output by the generator; when the mine car drives into a dangerous road section, the induction head receives a permanent magnet signal, the system enters an emergency state, if a car running accident occurs in the period, the speed of the car exceeds a set safety value, the generated energy is increased, the system automatically outputs a voltage signal to the electromagnet, the first elastic part is compressed, the electromagnet slides towards one side of the box body and is tripped, the left end of the brake plate falls off under the combined action of the pulling force of the second elastic part and gravity, the axle is used as the center of a circle, the brake plate rotates anticlockwise until the ground, and the brake plate is forcibly stopped under the action of ground friction force or the resistance force of a rail bottom structure. The generated energy is adopted to sense the speed of the mine car, and the mine car is braked by means of resistance or friction force of a brake plate, so that the running safety performance of the mine car is improved.

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 structural view of an automatic emergency stop device for a mine car according to an embodiment of the present invention;

FIG. 2 is a schematic view of a mine car according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an electromagnetic assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a brake plate provided in an embodiment of the present invention;

fig. 5 is an enlarged schematic structural diagram of a point a in fig. 1 according to an embodiment of the present invention.

In the figure: 100-mine car; 110-a vehicle body; 130-axle; 140-a wheel; 150-a connecting seat; 151-set rivets; 152-a traction ring; 160-connecting lugs; 200-a generator; 300-a control mechanism; 310-an electronic control board; 320-an electromagnetic assembly; 321-a box body; 322-an electromagnet; 323-electromagnet shaft; 324-a limiting sheet; 325-a first elastic member; 330-a support frame; 340-a guide bar; 350-a sensing head; 360-a permanent magnet; 400-a brake assembly; 410-brake plate; 411-plate body; 412-a friction section; 413 — a first via; 414-second via; 420-a second elastic member; 421-connecting rod; 422-a spring; 423-hook; 500-a rail; 510-a track; 511-a first locking screw; 520-crosstie; 521-second locking screw.

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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

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.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: an automatic emergency stop device for a mine car comprises the mine car 100, a generator 200, a control mechanism 300, a brake assembly 400 and a rail 500, wherein the generator 200 is used for generating electricity, and the control mechanism 300 drives the brake assembly 400 to act according to the generated energy of the generator 200 so as to stop the mine car 100 on the rail 500.

Referring to fig. 1 and 2, the mine car 100 includes a car body 110, an axle 130 and wheels 140, the axle 130 is disposed at the bottom of the car body 110, the wheels 140 are mounted at the end of the axle 130, two sides of the car body 110 are respectively provided with a connecting base 150, the connecting base 150 includes a positioning rivet 151 and a traction ring 152, the traction ring 152 is fixed at one side of the car body 110, the positioning rivet 151 is inserted into the traction ring 152, the traction ring 152 is used for connecting with an external traction cable, and the traction connecting position is fixed and positioned by the positioning rivet 151.

Referring to fig. 1, the generator 200 includes a stator fixed on the axle 130 and a rotor installed at a middle rotation position of the wheel 140, and when the wheel 140 rotates, the rotor is driven to rotate by the rotation of the wheel 140, so that the generator 200 generates electricity, in this document, the generator 200 is a brushless single-phase ac generator. Further, the rated power of the generator 200 is designed according to the limit value of the vehicle speed and the power of the electromagnet, which is clear to those skilled in the art, and thus will not be explained in detail.

Referring to fig. 1 and 3, the control mechanism 300 includes an electric control board 310, an electromagnetic assembly 320, an inductive head 350, and a permanent magnet 360, the electric control board 310 is disposed on one side of the bottom of the vehicle body 110, the electromagnetic assembly 320 includes a box 321, an electromagnet 322, an electromagnet shaft 323, and a first elastic member 325, the box 321 is fixed on one side of the bottom of the vehicle body 110, the electromagnet 322 is disposed on one side of the box 321, the electromagnet shaft 323 slidably penetrates through the box 321, the first elastic member 325 is sleeved on the electromagnet shaft 323, one side of the first elastic member 325 is fixedly connected with the box 321, a position-limiting piece 324 is fixedly sleeved on one end of the electromagnet shaft 323 away from the box 321, one side of the position-limiting piece 324 is fixedly connected with the first elastic member 325, when specifically disposed, the first elastic member 325 may be of a spring structure and is mounted by a screw, the position-limiting piece 324 is used for limiting the first elastic member 325, so that the first elastic member 325 provides an elastic force for the electromagnet shaft 323, inductive head 350 connects in automatically controlled board 310 below, automatically controlled board 310 bottom fixedly connected with guide arm 340, the guide arm 340 other end is close to rail 500 one side, inductive head 350 installs in guide arm 340 tip, and inductive head 350 and automatically controlled board 310 electric connection, automatically controlled board 310 and box 321 one side all are connected with support frame 330, support frame 330 fixed connection is in automobile body 110 bottom, inductive head 350 has received 360 signals of permanent magnet, the system gets into emergency state, if the sports car accident appears in this period, the speed of a motor vehicle has surpassed the safe numerical value of settlement, the generated energy increases, the system is automatic to electro-magnet 322 output voltage signal, first elastic component 325 is compressed, electromagnet shaft 323 slides to box 321 one side.

Referring to fig. 1, 4 and 5, the brake assembly 400 includes a brake plate 410 and a second elastic member 420, one side of the brake plate 410 is rotatably mounted on the axle 130, one side of the brake plate 410, which is close to the electromagnetic assembly 320, is lapped over the electromagnet shaft 323, the brake plate 410 includes a plate body 411 and a friction portion 412, the plate body 411 is disposed at the mounting position of the axle 130 and is provided with a first through hole 413, the first through hole 413 is used for connecting with the axle 130, the plate body 411 is provided with a second through hole 414, which is close to the bottom of the first through hole 413, one side of the brake plate 410, which is close to the axle 130, is connected to the second elastic member 420, the other end of the second elastic member 420 is connected to the bottom of the vehicle body 110, the second elastic member 420 includes a link 421, a spring 422 and hooks 423, the hooks 423 are disposed at two ends of the link 421, one of the hooks 423 is hung to the second through hole 414, the other hook 423 is hung to one side of the bottom of the vehicle body 110, the bottom of the car body 110 is provided with a connecting lug 160 at the hanging position of the hook 423, under the combined action of the pulling force of the spring 422 and the gravity, the left end of the brake plate 410 falls off, and rotates counterclockwise to the ground by taking the axle 130 as the center of a circle. The friction part 412 forcibly stops the vehicle under the combined action of the ground friction and the resistance of the rail 500.

Referring to fig. 1, a rail 500 is located at a lower portion of a vehicle body 110, wheels 140 are arranged above the rail 500 in a rolling manner, an end portion of an induction head 350 is close to one side of the rail 500, a permanent magnet 360 is arranged at one side of a bottom of the rail 500, the induction head 350 is arranged corresponding to the permanent magnet 360, the rail 500 includes a rail 510 and a sleeper 520, the rail 510 is fixedly arranged above the sleeper 520, the sleeper 520 is arranged at a bottom of the rail 510 at intervals, the rail 510 and the sleeper 520 are fixedly connected through a first locking screw 511, the sleeper 520 is fixedly connected to the ground through a second locking screw 521, the sleeper 520 is arranged on the ground at a friction portion 412 to provide resistance for the friction portion 412, and a bottom structure of the rail 500 is the sleeper 520.

Specifically, the working principle of the automatic emergency stop device for the mine car is as follows: a rotor of the generator 200 is installed in the wheel 140, a stator of the generator 200 is fixed on the axle 130, the permanent magnet 360 is fixed on the ground between the rails 500, the electric control plate 310, the induction head 350 and the electromagnetic assembly 320 are fixed under the vehicle body 110, one end of the second elastic member 420 is connected to the brake plate 410, and the other end is installed on the chassis of the vehicle body 110;

one end of the brake plate 410 is sleeved on the axle 130, the other end is provided with a friction part 412 and is controlled by the electromagnet 322, when the wheel 140 rotates, the current generated by the generator 200 is transmitted to the electromagnet 322, and the electromagnet 322 can release the brake according to the electric quantity output by the generator 200;

when the mine car 100 drives into a dangerous road section, the induction head 350 receives a permanent magnet 360 signal, the system enters an emergency state, if a car running accident occurs in the period, the speed of the car exceeds a set safety value, the power generation amount is increased, the system automatically outputs a voltage signal to the electromagnet 322, the first elastic piece 325 is compressed, the electromagnet shaft 323 slides towards one side of the box body 321 and is tripped, under the combined action of the pulling force of the second elastic piece 420 and gravity, the left end of the brake plate 410 falls off, the car shaft 130 is used as a circle center, the car rotates anticlockwise to reach the ground, and the friction part 412 is forced to stop under the combined action of the ground friction and the sleeper 520 resistance.

It should be noted that the specific model specifications of the generator 200, the electric control board 310, the electromagnet 322, and the inductive head 350 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed description is omitted.

The power supply of the generator 200, the electronic control board 310, the electromagnet 322, the inductive head 350 and the principle thereof will be clear to those skilled in the art and will not be described in detail herein.

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. An automatic emergency stop device for a mine car is characterized by comprising

A mine car (100), wherein the mine car (100) comprises a car body (110), an axle (130) and wheels (140), the axle (130) is arranged at the bottom of the car body (110), and the wheels (140) are mounted at the end parts of the axle (130);

the generator (200) comprises a stator and a rotor, the stator is fixed on the axle (130), and the rotor is arranged at a middle rotating position of the wheel (140);

a control mechanism (300), the control mechanism (300) comprises an electric control plate (310), an electromagnetic component (320), an induction head (350) and a permanent magnet (360), the electric control panel (310) is arranged on one side of the bottom of the vehicle body (110), the electromagnetic assembly (320) comprises a box body (321), an electromagnet (322), an electromagnet shaft (323) and a first elastic piece (325), the box body (321) is fixed at one side of the bottom of the vehicle body (110), the electromagnet (322) is arranged at one side in the box body (321), the electromagnet shaft (323) penetrates through the box body (321) in a sliding manner, the first elastic piece (325) is sleeved on the electromagnet shaft (323), one side of the first elastic piece (325) is fixedly connected with the box body (321), the induction head (350) is connected below the electric control board (310), and the induction head (350) is electrically connected with the electric control board (310);

the brake assembly (400) comprises a brake plate (410) and a second elastic member (420), one side of the brake plate (410) is rotatably mounted on the axle (130), one side of the brake plate (410) close to the electromagnetic assembly (320) is lapped above the electromagnet shaft (323), one side of the brake plate (410) close to the axle (130) is connected to the second elastic member (420), and the other end of the second elastic member (420) is connected to the bottom of the vehicle body (110);

rail (500), rail (500) are located automobile body (110) lower part, wheel (140) roll set up in rail (500) top, inductive head (350) tip is close to rail (500) one side, permanent magnet (360) install in rail (500) bottom one side, inductive head (350) with permanent magnet (360) correspond the setting.

2. The automatic emergency stop device for mine cars of claim 1, characterized in that the car body (110) is provided with connecting seats (150) on both sides, the connecting seats (150) comprise a set rivet (151) and a traction ring (152), the traction ring (152) is fixed on one side of the car body (110), and the set rivet (151) is inserted into the traction ring.

3. The automatic emergency stop device for mine car as claimed in claim 1, wherein a support frame (330) is connected to each of the electric control panel (310) and the box body (321), and the support frame (330) is fixedly connected to the bottom of the car body (110).

4. The automatic emergency stop device for mine car as claimed in claim 1, wherein a guide bar (340) is fixedly connected to the bottom of the electric control board (310), the other end of the guide bar (340) is close to one side of the rail (500), and the sensor head (350) is mounted on the end of the guide bar (340).

5. The automatic emergency stop device for mine car as claimed in claim 1, wherein a limit piece (324) is fixedly fastened to an end of the electromagnet shaft (323) away from the box body (321), and one side of the limit piece (324) is fixedly connected with the first elastic member (325).

6. The automatic emergency stop device for mine cars of claim 1, characterized in that the brake plate (410) comprises a plate body (411) and a friction part (412), the plate body (411) is provided with a first through hole (413) at the mounting position of the axle (130), and the plate body (411) is provided with a second through hole (414) near the bottom of the first through hole (413).

7. The automatic emergency stop device for mine car according to claim 6, characterized in that said second elastic member (420) comprises a connecting rod (421), a spring (422) and a hook (423), said hook (423) is arranged at both ends of said connecting rod (421), said spring (422) is arranged at the middle of said connecting rod (421), one of said hooks (423) is hooked on said second through hole (414), and the other one of said hooks (423) is hooked on one side of the bottom of the car body (110).

8. The automatic emergency stop device for mine cars of claim 7, characterized in that the bottom of the car body (110) is provided with a connecting lug (160) at the position where the hook (423) is hooked.

9. The automatic emergency stop device for mine cars of claim 1, characterized in that said rails (500) comprise rails (510) and sleepers (520), said rails (510) being fixedly disposed above said sleepers (520), said sleepers (520) being spaced apart from the bottom of said rails (510).

10. The automatic emergency stop device for mine cars of claim 9, characterized in that the rail (510) and the sleeper (520) are fixedly connected by a first locking screw (511), and the sleeper (520) is fixedly connected to the ground by a second locking screw (521).