CN219339426U

CN219339426U - Hydraulic braking device for explosion-proof electric locomotive of coal mine

Info

Publication number: CN219339426U
Application number: CN202320569355.7U
Authority: CN
Inventors: 孙义; 王文龙; 肖东亮; 董帅; 王帅
Original assignee: Sinohydro Bureau 6 Co Ltd
Current assignee: Sinohydro Bureau 6 Co Ltd
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-07-14
Anticipated expiration: 2033-03-22

Abstract

The utility model provides a hydraulic braking device for an explosion-proof electric locomotive of a coal mine, which belongs to the field of braking of explosion-proof electric locomotives of the coal mine and comprises a brake pedal, an L-shaped rotating arm, a push rod, a brake master cylinder, a first slave cylinder, a second slave cylinder and a brake disc, wherein the brake pedal is connected with the L-shaped rotating arm through a connecting rod, a return spring is arranged on the L-shaped rotating arm, one end of the L-shaped rotating arm corresponds to the push rod, the push rod is connected with a piston rod of the brake master cylinder, and the brake master cylinder is connected with the first slave cylinder and the second slave cylinder through oil ways; two brake calipers are symmetrically arranged on the brake disc and are driven by the first sub pump and the second sub pump respectively. The problem that the conventional explosion-proof storage battery electric locomotive only has electric braking and hand braking during parking, and accidents are easily caused once the electric braking fails is solved.

Description

Hydraulic braking device for explosion-proof electric locomotive of coal mine

Technical Field

The utility model relates to the field of braking of explosion-proof electric locomotives in coal mines, in particular to a hydraulic braking device for the explosion-proof electric locomotives in the coal mines.

Background

The explosion-proof accumulator electric locomotive for coal mine has the characteristics of heavy body, large inertia and difficult braking. Because of the particularity of the coal mine environment, underground high temperature and humidity are serious in corrosion to mechanical equipment, the traditional explosion-proof storage battery electric locomotive only has electric braking and hand braking during parking, once the electric braking fails, accidents are easily caused, and the consequences are not considered. Therefore, the utility model provides a be used for colliery explosion-proof type electric locomotive hydraulic braking device.

Disclosure of Invention

The utility model provides a hydraulic braking device for an explosion-proof electric locomotive in a coal mine, aiming at solving the problem that the traditional explosion-proof electric locomotive only has electric braking and hand braking during parking, and once the electric braking fails, accidents are easy to cause.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the hydraulic braking device for the explosion-proof electric locomotive of the coal mine comprises a brake pedal, an L-shaped rotating arm, a push rod, a brake master cylinder, a first slave cylinder, a second slave cylinder and a brake disc, wherein the brake pedal is connected with the L-shaped rotating arm through a connecting rod, a return spring is arranged on the L-shaped rotating arm, one end of the L-shaped rotating arm corresponds to the push rod, the push rod is connected with a piston rod of the brake master cylinder, and the brake master cylinder is connected with the first slave cylinder and the second slave cylinder through oil ways;

two brake calipers are symmetrically arranged on the brake disc and are driven by a first sub pump and a second sub pump respectively;

the brake disc is fixedly connected with a transmission shaft of the coal mine explosion-proof electric locomotive, and the two brake calipers are fixedly connected with a frame of the coal mine explosion-proof electric locomotive through the adjustable bracket.

As a further description of the above technical solution:

the brake master cylinder is also connected with a hydraulic oil tank.

As a further description of the above technical solution:

the adjustable support comprises a fixed base, the top of the fixed base is fixedly connected with an annular part through a fixed support, the side face of the annular part is rotationally connected with a first support and a second support, brake calipers are connected to the first support and the second support, and the bottoms of the first support and the second support are fixed with the fixed base through bolts.

As a further description of the above technical solution:

the fixed base is fixedly connected with a first connecting lug, a first long hole is formed in the first connecting lug, and the first support is fixedly connected with the first long hole through a bolt.

As a further description of the above technical solution:

the fixed base is fixedly connected with a second connecting lug, a second long hole is formed in the second connecting lug, and the second support is fixedly connected with the second long hole through a bolt.

As a further description of the above technical solution:

the annular piece is coaxial with a transmission shaft of the coal mine explosion-proof electric locomotive.

The utility model has the beneficial effects that: through setting up epaxial brake disc (rotating member) of colliery explosion-proof electric locomotive and the hydraulically driven brake caliper structure of setting on the frame, can realize that hydraulically driven presss from both sides tight brake disc, utilize friction between and make the electric locomotive stop, an extra hydraulically driven braking system that increases, for traditional manual brake and electric braking system, the security is higher.

Drawings

In order to more clearly show a hydraulic brake device for an explosion-proof electric locomotive in a coal mine, the following figures are shown;

FIG. 1 is an overall schematic of the present utility model;

FIG. 2 is a schematic illustration of the brake portion of the present utility model mounted on a brake disc;

fig. 3 is a schematic view of a braking portion of the present utility model.

Wherein reference numerals in the drawings;

1. a brake pedal; 2. a connecting rod; 3. an L-shaped rotating arm; 4. a push rod; 5. a return spring; 6. a brake master cylinder; 7. a first sub-pump; 8. a second sub-pump; 9. a brake disc; 10. a fixed base; 11. a first connection lug; 12. a first long hole; 13. a second connecting ear; 14. a second long hole; 15. a first bracket; 16. a second bracket; 17. a fixed bracket; 18. and a ring member.

Detailed Description

Referring to fig. 1-3, a hydraulic braking device for an explosion-proof electric locomotive in a coal mine is shown, which is provided by the embodiment of the application, and comprises a brake pedal 1, an L-shaped rotating arm 3, a push rod 4, a brake master cylinder 6, a first slave cylinder 7, a second slave cylinder 8 and a brake disc 9, wherein the brake pedal 1 and the L-shaped rotating arm 3 are both hinged with a frame of the explosion-proof electric locomotive in the coal mine, the brake pedal 1 is connected with the L-shaped rotating arm 3 through a connecting rod 2, the action on the brake pedal 1 is transferred to the L-shaped rotating arm 3, a return spring 5 is arranged on the L-shaped rotating arm 3, when the force applied by an operator is lost, the return spring 5 drives the L-shaped rotating arm 3 to return, one end of the L-shaped rotating arm 3 corresponds to the push rod 4, the push rod 4 is connected with a piston rod of the brake master cylinder 6, and the brake master cylinder 6 is connected with the first slave cylinder 7 and the second slave cylinder 8 through oil ways.

The user presses the brake pedal 1 to drive one end of the connecting rod 2 to move downwards, the other end of the connecting rod pulls down the L-shaped rotary arm 3, the L-shaped rotary arm 3 rotates to push the ejector rod 4, power is applied to the brake master cylinder 6, the brake master cylinder 6 generates high-pressure liquid, and the high-pressure liquid is transmitted to the first sub pump 7 and the second sub pump 8 through oil ways.

Two brake calipers are symmetrically arranged on the brake disc 9 and are driven by the first slave cylinder 7 and the second slave cylinder 8 respectively. The first and

second slave pumps

7 and 8 drive two brake calipers to act simultaneously, so that the brake disc 9 is braked rapidly, the brake disc 9 is fixedly connected with a transmission shaft of the coal mine explosion-proof electric locomotive, the transmission shaft can be braked, and the two brake calipers are fixedly connected with a frame of the coal mine explosion-proof electric locomotive through an adjustable bracket. The design of adjustable support, the fine adjustment is convenient for two brake caliper's of fine adjustment position during installation, avoids brake caliper inner wall and brake disc 9 to take place to contact, influences the normal travel of colliery explosion-proof electric locomotive.

The master cylinder 6 is also connected with a hydraulic oil tank. Hydraulic oil is supplied to the master cylinder 6.

Specifically, the adjustable support includes unable adjustment base 10, and unable adjustment base 10's top is through unable adjustment base 17 fixedly connected with ring 18, and the side rotation of ring 18 is connected with first support 15, second support 16, all is connected with brake caliper on first support 15, the second support 16, and is fixed through the bolt between the bottom of first support 15, second support 16 and unable adjustment base 10.

The fixed base 10 is fixedly connected with a first connecting lug 11, the first connecting lug 11 is provided with a first long hole 12, and the first bracket 15 is fixedly connected with the first long hole 12 through a bolt.

The fixed base 10 is fixedly connected with a second connecting lug 13, the second connecting lug 13 is provided with a second long hole 14, and the second bracket 16 is fixedly connected with the second long hole 14 through a bolt.

During installation, the fixing support 17 and the annular piece 18 are firstly installed, the two brake calipers are initially clamped on the brake disc 9 and fixedly connected with the first support 15 and the second support 16, then a user adjusts the positions of the two brake calipers (slides along the outer outline of the annular piece 18), finally the bottoms of the first support 15 and the second support 16 are fixed, the first long hole 12 and the second long hole 14 are formed in the fixing base 10, when the bolts are not screwed down, the bolts can slide, and finally the bolts are screwed down to fix the positions.

The ring 18 is concentric with the drive shaft of the explosion-proof electric locomotive for the coal mine. During fine tuning, the two brake calipers slide along the outer contour of the ring 18, i.e. rotate along the axis of the drive shaft of the explosion-proof electric locomotive for the coal mine.

Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure of the utility model herein. This application is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.

It is further understood that the use of relational terms such as "first" and "second", and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The utility model is not limited to the precise construction which has been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.

Claims

1. The utility model provides a be used for explosion-proof electric locomotive hydraulic braking device in colliery which characterized in that: the novel brake device comprises a brake pedal (1), an L-shaped rotating arm (3), an ejector rod (4), a brake master cylinder (6), a first branch pump (7), a second branch pump (8) and a brake disc (9), wherein the brake pedal (1) is connected with the L-shaped rotating arm (3) through a connecting rod (2), a return spring (5) is arranged on the L-shaped rotating arm (3), one end of the L-shaped rotating arm (3) corresponds to the ejector rod (4), the ejector rod (4) is connected with a piston rod of the brake master cylinder (6), and the brake master cylinder (6) is connected with the first branch pump (7) and the second branch pump (8) through oil ways;

two brake calipers are symmetrically arranged on the brake disc (9) and are driven by a first sub pump (7) and a second sub pump (8) respectively;

the brake disc (9) is fixedly connected with a transmission shaft of the coal mine explosion-proof electric locomotive, and the two brake calipers are fixedly connected with a frame of the coal mine explosion-proof electric locomotive through the adjustable bracket.

2. The hydraulic brake system for an explosion-proof electric locomotive for a coal mine of claim 1, wherein: the brake master cylinder (6) is also connected with a hydraulic oil tank.

3. The hydraulic brake system for an explosion-proof electric locomotive for a coal mine of claim 1, wherein: the adjustable support comprises a fixed base (10), the top of the fixed base (10) is fixedly connected with an annular piece (18) through a fixed support (17), the side face of the annular piece (18) is rotationally connected with a first support (15) and a second support (16), brake calipers are connected to the first support (15) and the second support (16), and the bottoms of the first support (15) and the second support (16) are fixed with the fixed base (10) through bolts.

4. A hydraulic brake system for an explosion-proof electric locomotive in a coal mine as claimed in claim 3, wherein: the fixing base (10) is fixedly connected with a first connecting lug (11), a first long hole (12) is formed in the first connecting lug (11), and the first bracket (15) is fixedly connected with the first long hole (12) through a bolt.

5. A hydraulic brake system for an explosion-proof electric locomotive in a coal mine as claimed in claim 3, wherein: the fixing base (10) is fixedly connected with a second connecting lug (13), a second long hole (14) is formed in the second connecting lug (13), and the second bracket (16) is fixedly connected with the second long hole (14) through a bolt.

6. A hydraulic brake system for an explosion-proof electric locomotive in a coal mine as claimed in claim 3, wherein: the annular piece (18) is coaxial with a transmission shaft of the coal mine explosion-proof electric locomotive.