CN210337921U

CN210337921U - Rail mine car with automatic brake for coal mining

Info

Publication number: CN210337921U
Application number: CN201921277018.0U
Authority: CN
Inventors: 杨波; 任学刚; 武新胜; 杨永胜; 王小凯; 王少飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-04-17
Anticipated expiration: 2029-08-08

Abstract

The utility model discloses a rail mine car with automatic brake for coal mining in the technical field of engineering, a rail mine car with automatic brake for coal mining, which comprises a frame, the bottom of the frame is respectively provided with a front wheel and a rear wheel, the inner cavity of the front wheel is provided with a brake disc, the top end of the frame is provided with a main cylinder, the main cylinder is internally provided with a piston, the side wall of the piston is fixedly connected with an impact rod, the side wall of the main cylinder is connected with an oil pipe, the other end of the oil pipe is connected with a wheel cylinder, the two ends of the wheel cylinder are respectively provided with a brake plate, a reset spring is arranged between the two groups of brake plates, the side walls of the two groups of brake plates are respectively and fixedly connected with a friction plate, the inner cavity wall of the brake disc is sleeved with a brake drum, the utility model generates a reaction, the piston sheet drives the brake plate to rotate, and the brake plate drives the friction plate brake drum to rub, so that the automatic brake effect is achieved.

Description

Rail mine car with automatic brake for coal mining

Technical Field

The utility model relates to the technical field of engineering, specifically be a colliery is opened and is adopted rail mine car that has automatic brake.

Background

The rail transportation is generally locomotive transportation, is a main mode of underground long-distance transportation of metal mines in China at present, and has the basic task of transporting ores, waste rocks, materials, equipment, personnel and the like. It is an important component of mine hoisting systems and also one of the main factors determining mine productivity. The rail transportation has the advantages of no limitation on long distance, low transportation cost and convenient classification and transportation with ores.

In the mining operation of coal mines, the winch is adopted to pull the mine car to run along the track, which is the most common inclined roadway transportation mode, and aiming at the problem that the danger of mine car running accidents is high, safety facilities such as a car stopping fence and the like are adopted to intercept the mine car which runs. The existing car stopping fence device is likely to be damaged due to large carrying capacity and over-strong impact of a running car, so that the car is out of work, the car cannot be stopped, and finally accidents such as equipment damage, casualties and the like are caused. Based on this, the utility model designs a there is rail mine car with self-actuating brake to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal mining is with having rail mine car of automatic brake to it has probably great, the too strong and suffer destruction in the mine car loading capacity that takes place the sports car to propose present fender rail device in solving above-mentioned background art, and cause its inefficacy, can't make the mine car stop, finally lead to the problem of occurence of failure such as equipment damage, casualties.

In order to achieve the above object, the utility model provides a following technical scheme: a rail mine car with an automatic brake for coal mining comprises a frame, wherein front wheels and rear wheels are respectively arranged at the bottom end of the frame, a brake disc is arranged in an inner cavity of the front wheel, two groups of guardrails are arranged at the top of the frame, carriage shafts are fixedly connected to the side walls of the two groups of guardrails, uncovered carriages are rotatably connected between the two groups of carriage shafts through bearings, a main cylinder is mounted at the top end of the frame, a piston is arranged in the main cylinder, an impact rod is fixedly connected to the side wall of the piston, the piston and the impact rod are movably connected with the main cylinder, an oil pipe is connected to the side wall of the main cylinder, the other end of the oil pipe is connected with a wheel cylinder, brake plates are respectively arranged at two ends of the wheel cylinder, support pins are respectively arranged at the other ends of the two groups of brake plates, and the side walls of the two groups of brake plates are respectively and fixedly connected with friction plates, and the outer wall of the brake disc is provided with a brake drum.

Preferably, piston sheets are respectively arranged at two ends of an inner cavity of the wheel cylinder, a safety spring is fixedly connected between the two groups of piston sheets, and the two groups of piston sheets are connected with the brake plate.

Preferably, the side wall of the piston is provided with a clamping groove, an oil ring is installed in the clamping groove, and the oil ring is a fracture circular ring.

Preferably, a baffle is arranged at the top end of the frame.

Preferably, the brake plate is riveted with the friction plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a car baffle produces reaction force before the impact of impact rod, utilize reaction force to accomplish automatic brake's effect, it is great to have avoided car stopping fence device to have probably the mine car loading capacity taking place the sports car, strike too strongly and suffer destruction, and it became invalid to cause it, can't make the mine car stop, finally lead to equipment damage, occurence of failure such as casualties, through hitting the power of borrowing from hitting, make whole process need not to provide power, transmit through using hydraulic oil, make braking process safety and stability, through the setting of safety spring, avoided excessively causing the danger that the wheel cylinder bursts because of the striking, the normal operating of equipment has been protected, through the setting of answer spring the utility model discloses after accomplishing the brake stroke, can let the braking plate reset, friction disc and brake drum separation, oil circuit and impact rod reconversion, convenient used repeatedly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the brake disc of the present invention;

FIG. 3 is a schematic structural view of a wheel cylinder according to the present invention;

fig. 4 is a schematic view of the piston structure of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-vehicle frame, 2-front wheel, 3-rear wheel, 4-brake disc, 5-guardrail, 6-carriage shaft, 7-uncovered carriage, 8-main cylinder, 9-piston, 10-impact rod, 11-oil pipe, 12-wheel cylinder, 13-brake plate, 14-supporting pin, 15-return spring, 16-friction plate, 17-brake drum, 18-baffle plate, 121-piston plate, 122-safety spring, 91-clamping groove, 92-oil ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a rail tramcar with an automatic brake for coal mining comprises a frame 1, front wheels 2 and rear wheels 3 are respectively arranged at the bottom end of the frame 1, a brake disc 4 is arranged in an inner cavity of the front wheels 2, two groups of guardrails 5 are arranged at the top of the frame 1, carriage shafts 6 are fixedly connected to side walls of the two groups of guardrails 5, a uncovered carriage 7 is connected between the two groups of carriage shafts 6 through a bearing, a main cylinder 8 is mounted at the top end of the frame 1, a piston 9 is arranged in the main cylinder 8, an impact rod 10 is fixedly connected to the side wall of the piston 9, the piston 9 and the impact rod 10 are movably connected with the main cylinder 8, an oil pipe 11 is connected to the side wall of the main cylinder 8, the other end of the oil pipe 11 is connected with a wheel cylinder 12, brake plates 13 are respectively arranged at two ends of the wheel cylinder 12, support pins 14 are respectively arranged at the other, the side walls of the two groups of brake plates 13 are respectively fixedly connected with friction plates 16, and the outer wall of the brake disc 4 is provided with a brake drum 17.

The two ends of the inner cavity of the wheel cylinder 12 are respectively provided with a piston sheet 121, a safety spring 122 is fixedly connected between two groups of piston sheets 121, the safety spring 122 can protect the wheel cylinder 12, and the too large impact is prevented, so that the wheel cylinder bursts, the two groups of piston sheets 121 are both connected with the brake plate 13, the piston sheets 121 move to drive the brake plate 13 to move, hydraulic transmission is converted into mechanical motion, the brake stroke is faster, the side wall of the piston 9 is provided with a clamping groove 91, an oil ring 92 is installed in the clamping groove 91, the oil ring 92 is convenient to install due to the arrangement of the clamping groove 91, the oil ring 92 is a fracture ring, the oil ring 92 is convenient to be sleeved on the clamping groove 91, the top end of the frame 1 is provided with a baffle 18, the baffle 18 bears the impact of a rear vehicle impact rod 10, the rear vehicle can complete the brake stroke conveniently, the friction.

One specific application of this embodiment is: the utility model can safely transport ore along the rail by the front wheel 2 and the rear wheel 3 arranged at the bottom of the frame 1, when in transportation, the mine car has larger load capacity and stronger impact, the impact rod 10 impacts the front car baffle 18 to realize the movement of the impact rod 10 to the inner cavity of the main cylinder 8, meanwhile, the impact rod 10 pushes the piston 9 to move, the space of the inner cavity of the main cylinder 8 is reduced by the movement of the piston 9, the pressure of hydraulic oil in the main cylinder 8 is increased, the hydraulic oil enters the wheel cylinder 12 through the oil pipe 11 to increase the hydraulic oil pressure in the wheel cylinder 12, the piston sheets 121 at two ends move outwards due to the increase of the hydraulic oil pressure in the wheel cylinder 12, the brake plate 13 rotates around the supporting pin 14 by the movement of the piston sheets 121, the friction sheets 16 are driven to be close to the brake drum 17 by the movement of the brake plate 13, and the friction between the brake drum 17 and the friction sheets, through the motion of piston piece 121, make safety spring 122 extension, after the braking stroke, safety spring 122 resets, and the messenger hydraulic oil backward flow through reset spring 15's setting, drives the braking board 13 and returns after the braking stroke finishes.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a coal mining is with having rail mine car of self-actuating brake, includes frame (1), its characterized in that: the automobile front wheel structure is characterized in that front wheels (2) and rear wheels (3) are respectively arranged at the bottom end of the frame (1), a brake disc (4) is arranged in an inner cavity of each front wheel (2), two groups of guardrails (5) are arranged at the top of the frame (1), carriage shafts (6) are fixedly connected to the side walls of the two groups of guardrails (5), uncovered carriages (7) are rotatably connected between the two groups of carriage shafts (6) through bearings, a main cylinder (8) is installed at the top end of the frame (1), a piston (9) is arranged in the main cylinder (8), an impact rod (10) is fixedly connected to the side wall of the piston (9), the piston (9) and the impact rod (10) are movably connected with the main cylinder (8), an oil pipe (11) is connected to the side wall of the main cylinder (8), a wheel cylinder (12) is connected to the other end of the oil pipe (11, the other end of two sets of braking board (13) is provided with supporting pin (14) respectively, supporting pin (14) fixed connection is in the bottom of brake disc (4), and is two sets of be provided with reset spring (15) between braking board (13), and two sets of braking board (13) lateral wall is fixedly connected with friction disc (16) respectively, brake disc (4) outer wall is installed brake drum (17).

2. A rail car with automatic brakes for coal mining as claimed in claim 1 wherein: piston sheets (121) are respectively arranged at two ends of an inner cavity of the wheel cylinder (12), a safety spring (122) is fixedly connected between the two groups of piston sheets (121), and the two groups of piston sheets (121) are both connected with the brake plate (13).

3. A rail car with automatic brakes for coal mining as claimed in claim 1 wherein: the piston is characterized in that a clamping groove (91) is formed in the side wall of the piston (9), an oil ring (92) is installed in the clamping groove (91), and the oil ring (92) is a fracture circular ring.

4. A rail car with automatic brakes for coal mining as claimed in claim 1 wherein: the top end of the frame (1) is provided with a baffle (18).

5. A rail car with automatic brakes for coal mining as claimed in claim 1 wherein: the brake plate (13) is riveted with the friction plate (16).