CN213534668U

CN213534668U - Brake device for ladder vehicle

Info

Publication number: CN213534668U
Application number: CN202021835991.2U
Authority: CN
Inventors: 修亮; 郑天昆; 李广颖; 王占田; 贺祖团; 刘兆群; 白楠; 张宁; 赵一夫; 冯斌斌; 徐迪; 耿嘉铭; 王博庆; 李元林; 王鹏; 张赫
Original assignee: Operating Branch Shenyang Metro Group Co ltd
Current assignee: Operating Branch Shenyang Metro Group Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-06-25
Anticipated expiration: 2030-08-28

Abstract

The utility model belongs to the field of subway construction and maintenance, in particular to a ladder car brake device used in the operation of a contact net ladder car, wherein one end of a fixed upright post is arranged on the ladder car, the other end of the fixed upright post is connected with a fixed base, and a shaft A and a shaft B are respectively arranged on the fixed base; one end of the brake pedal is hinged to the shaft A, the other end of the brake pedal is a treading end, and a shaft C is mounted on the brake pedal; one end of the brake piece mounting frame is hinged to the shaft B, the other end of the brake piece mounting frame is provided with a shaft D, and a brake piece is mounted on the brake piece mounting frame; the release pedal is hinged on the shaft C, one end of the release pedal is hinged with the shaft D, and the other end of the release pedal is a treading end; a clamping plate is arranged between each side of the brake pedal and the mounting rack of the brake piece on the same side, and two ends of the clamping plate are respectively hinged with the shaft C and the shaft D; the shaft A is provided with a torsion spring, and two ends of the torsion spring are respectively connected with the shaft B and the shaft D. The utility model provides the high security when personnel use the ladder car operation pushes away staircase car person's quantity when having reduced the ladder car operation.

Description

Brake device for ladder vehicle

Technical Field

The utility model belongs to subway construction, maintenance field, specifically speaking are used terraced car arresting gear during contact net terraced car operation.

Background

At present, there are two kinds traditional ladder car braking mode, and the first kind has following shortcoming for the arresting gear that ladder car producer provided:

(1) and the hand-cranking mode is adopted, the operation stroke and the operation time are long, the operation intensity of personnel is high, and the usability is poor.

(2) In the process of releasing the braking state of the ladder truck, the separation degree and the separation state of the brake block and the ladder truck wheel cannot be confirmed, and the safety is low.

The second is manual braking, which has the following disadvantages:

(1) the manual pushing and supporting mode is adopted, the number of pushing and supporting people is large, and manpower is wasted.

(2) When the manual cart is pushed to the staircase, the operation state of personnel on the upper part of the staircase cannot be confirmed, the stable state of the staircase cannot be ensured, and the safety is lower.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem that traditional ladder car braking mode exists, the utility model aims to provide a ladder car arresting gear.

The purpose of the utility model is realized through the following technical scheme:

the utility model comprises a fixed upright post, a brake piece, a brake pedal, a release pedal, a torsion spring, a fixed base, a brake piece mounting rack and a clamping plate, wherein one end of the fixed upright post is arranged on the ladder car, the other end is connected with the fixed base, and the fixed base is respectively provided with a shaft A and a shaft B; one end of the brake pedal is hinged to the shaft A, the other end of the brake pedal is a treading end, and the brake pedal is provided with a shaft C; one end of the brake piece mounting frame is hinged to the shaft B, the other end of the brake piece mounting frame is provided with a shaft D, and a brake piece is mounted on the brake piece mounting frame; the release pedal is hinged on the shaft C, one end of the release pedal is hinged with the shaft D, and the other end of the release pedal is a treading end; a clamping plate is arranged between each side of the brake pedal and the brake block mounting frame on the same side, and two ends of the clamping plate are respectively hinged with the shaft C and the shaft D; and a torsion spring is arranged on the shaft A, and two ends of the torsion spring are respectively connected with the shaft B and the shaft D.

Wherein: each side of the brake pedal is positioned between the release pedal and the clamping plate on the same side, and the brake pedal is clamped and positioned by the release pedal and the clamping plate when being stepped down in a braking state.

The brake block is mounted on the brake block mounting frame through an adjusting bolt, and the distance between the brake block and the wheel of the ladder car is changed through adjusting the adjusting bolt.

One end of the fixed upright post is arranged on the chassis of the ladder car through a fixed clamping block and a fixed bolt, the number of the fixed clamping blocks is two, the middle of each fixed clamping block is arc-shaped, the two ends of each fixed clamping block are flat-shaped, the upper fixed clamping block and the lower fixed clamping block are oppositely arranged, and the two fixed clamping blocks are connected through the fixed bolt.

The fixed upright post is L-shaped, and an upright post supporting rod is arranged between the vertical edge of the L-shaped upright post and the fixed base.

And a rubber pad is arranged on the bottom surface of the brake pad, which is in contact with the wheels of the ladder truck.

The fixed base is of a hollow bottomless box-shaped structure, round holes connected with the other end of the fixed upright post are formed in the left side face and the right side face of the fixed base respectively, a notch is formed in the front face, facing an operator, of the fixed base, and the shaft A and the shaft B are installed in the notch.

One end of the brake pedal is U-shaped, and the release pedal is positioned in the U-shaped.

The utility model discloses an advantage does with positive effect:

1. the utility model discloses can solve the ladder car operation and take ladder car braking process, the number of operating personnel is many, problem long consuming time, and every arresting gear only needs 1 operating personnel, and operating personnel steps on brake pedal and can make the ladder car keep the brake state, reduces the human cost, improves work efficiency.

2. The utility model discloses an observe brake pedal and release pedal's state, judge whether the ladder car is in brake state, avoid causing the accident because of operating personnel can't judge ladder car brake state to improve the security of ladder car operation.

3. The utility model controls the state of the ladder vehicle by controlling the brake pedal and the release pedal, and the operator steps on the brake pedal to brake the ladder vehicle; the ladder car with the release pedal can move normally when being stepped on by an operator, and is simple to operate and high in usability.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the present invention during braking;

FIG. 2 is a schematic view of the three-dimensional structure of the present invention when the brake is released;

FIG. 3 is a side view of the structure of the present invention during braking;

FIG. 4 is a side view of the structure of the present invention when the brake is released;

fig. 5 is a front view of the present invention;

wherein: the brake block fixing device comprises a fixing clamping block 1, a fixing bolt 2, a fixing upright post 3, an upright post support rod 4, a rubber pad 5, a brake pad 6, an adjusting bolt 7, a brake pedal 8, a release pedal 9, a torsion spring 10, a fixing base 11, a shaft A12, a shaft B13, a shaft C14, a shaft D15, a brake pad mounting frame 16, a clamping plate 17 and an opening 18.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, the present invention includes a fixed upright 3, a brake pad 6, a brake pedal 8, a release pedal 9, a torsion spring 10, a fixed base 11, a brake pad mounting frame 16 and a clamping plate 17, wherein one end of the fixed upright 3 is mounted on a ladder car, the other end is connected with the fixed base 11, and the fixed base 11 is respectively mounted with a shaft a12 and a shaft B13; the fixing upright column 3 of this embodiment is "L" shaped, the end portion of the vertical edge of this "L" shape (i.e. one end of the fixing upright column 3) is fixedly connected to the chassis of the ladder vehicle through the fixing fixture block 1 and the fixing bolt 2, the fixing fixture block 1 of this embodiment is two upper and lower, the middle of each fixing fixture block 1 is arc-shaped, the two ends are flat, the upper and lower fixing fixture blocks 1 are oppositely disposed, and the two fixing fixture blocks 1 are connected to each other through the fixing bolt 2, and the fixing bolt 2 is connected to the flat position of the fixing fixture block 1. The type of fixing bolt 2 of this embodiment is M12, and the material of fixed fixture 1 and fixing bolt 2 is stainless steel.

The fixing base 11 of the present embodiment is a hollow bottomless box-shaped structure made of stainless steel, the upper surface of the fixing base 11 is rectangular, the left and right sides are trapezoidal, and the left and right sides are respectively provided with a circular hole connected with the other end (i.e. the end of the L-shaped transverse side) of the fixing upright 3; the diameter of the round hole of the embodiment is 26mm, and the transverse edge of the L shape passes through the round hole and is fixedly connected with the fixed base 11. The fixed base 11 has a cutout 18 facing the front of the operator, and the shaft a12 and the shaft B13 are fitted in the cutout 18.

In the embodiment, the column support rod 4 is arranged between the vertical edge of the L-shaped fixed column 3 and the fixed base 11, so that the strength of the L-shaped fixed column 3 is ensured. The fixed upright post 3 and the upright post support rod 4 of the embodiment are both stainless steel tubes.

One end of the brake pedal 8 is hinged on the shaft A12, the other end is a stepping end, and the shaft C14 is installed on the brake pedal 8. The brake shoe mounting 16 is hinged at one end to the shaft B13 and at the other end to the shaft D15, and the brake shoe 6 is mounted on the brake shoe mounting 16. The brake block 6 is arranged on the brake block mounting frame 16 through an adjusting bolt 7, and the distance between the brake block 6 and the wheel of the ladder car is changed through adjusting the adjusting bolt 7. The bottom surface of the brake pad 6, which is contacted with the wheels of the ladder car, is provided with a rubber pad 5. The release pedal 9 is hinged on the shaft C14, one end of the release pedal 9 is hinged with the shaft D15, and the other end is a stepping end. A clamping plate 17 is arranged between each side of the brake pedal 8 and the brake block mounting frame 16 on the same side, and two ends of the clamping plate 17 are respectively hinged with a shaft C14 and a shaft D15; a torsion spring 10 is fixed on the shaft a12, and two ends of the torsion spring 10 are respectively connected with the shaft B13 and the shaft D15. One end of the brake pedal 8 of this embodiment is in the shape of a "U" inside which the release pedal 9 is located. Each side of the brake pedal 8 is positioned between the same side release pedal 9 and the clamping plate 17, and the brake pedal 8 is clamped and positioned by the release pedal 9 and the clamping plate 17 when being pressed down in a braking state. The brake disc 6, the adjusting bolt 7, the brake pedal 8 and the release pedal 9 of the present embodiment are all made of stainless steel.

The utility model discloses a theory of operation does:

before the use, will fix fixture block 1 and install on the ladder car chassis, reuse fixing bolt 2 is fixed, is about to arresting gear integral erection on the ladder car chassis.

As shown in fig. 3, when the wheels of the ladder car need to be braked, the brake pedal 8 is stepped down, the brake pedal 8 rotates downwards around the shaft a12, and the brake pads 6 are driven to move downwards through the clamping plates 17 and the brake pad mounting frames 16 to press the wheels of the ladder car; the rubber pad 5 contacts with the wheel of the ladder car to generate static friction force, so that the wheel of the ladder car cannot rotate, the stationary state of the ladder car is kept, and the braking effect is achieved. By adjusting the adjusting bolts 7, the distance between the brake pads 6 and the wheels of the ladder car can be changed, the brake strength and sensitivity of the ladder car brake device can be adjusted, and the ladder car brake device can adapt to ladder cars of various models. After the brake pedal 8 is pressed down, each side of the U-shaped opening at one end is clamped in the gap between the release pedal 9 and the clamping plate 17 respectively, and the U-shaped opening is positioned against the elastic force of the torsion spring 10.

As shown in fig. 4, when the braking state needs to be cancelled, the release pedal 9 is stepped down, the release pedal 9 rotates in a U shape at one end of the brake pedal 8, the brake pedal 8 moves out from a gap between the release pedal 9 and the clamping plate 17, under the elastic force of the torsion spring 10, the brake pads 6 are driven to be separated from the wheels of the ladder car, the static friction force disappears, and the ladder car can be normally pushed.

The utility model discloses strengthened the stability of ladder car, reduced ladder car operation personnel's the operation degree of difficulty, improved the operating efficiency simultaneously, personnel and equipment's when having guaranteed ladder car operation safety.

Claims

1. A kind of ladder car arresting gear, characterized by: the brake device comprises a fixed upright post (3), a brake pad (6), a brake pedal (8), a release pedal (9), a torsion spring (10), a fixed base (11), a brake pad mounting frame (16) and a clamping plate (17), wherein one end of the fixed upright post (3) is mounted on a ladder truck, the other end of the fixed upright post is connected with the fixed base (11), and a shaft A (12) and a shaft B (13) are respectively mounted on the fixed base (11); one end of the brake pedal (8) is hinged to the shaft A (12), the other end of the brake pedal is a stepping end, and a shaft C (14) is mounted on the brake pedal (8); one end of the brake pad mounting frame (16) is hinged to the shaft B (13), the other end of the brake pad mounting frame is provided with a shaft D (15), and a brake pad (6) is mounted on the brake pad mounting frame (16); the release pedal (9) is hinged to the shaft C (14), one end of the release pedal (9) is hinged to the shaft D (15), and the other end of the release pedal is a treading end; a clamping plate (17) is arranged between each side of the brake pedal (8) and the brake block mounting frame (16) on the same side, and two ends of the clamping plate (17) are hinged with the shaft C (14) and the shaft D (15) respectively; and a torsion spring (10) is arranged on the shaft A (12), and two ends of the torsion spring (10) are respectively connected with the shaft B (13) and the shaft D (15).

2. The ladder car brake device according to claim 1, wherein: each side of the brake pedal (8) is positioned between the release pedal (9) and the clamping plate (17) on the same side, and the brake pedal (8) is clamped and positioned by the release pedal (9) and the clamping plate (17) when being stepped on in a braking state.

3. The ladder car brake device according to claim 1, wherein: the brake block (6) is mounted on the brake block mounting frame (16) through an adjusting bolt (7), and the distance between the brake block (6) and the wheels of the ladder car is changed by adjusting the adjusting bolt (7).

4. The ladder car brake device according to claim 1, wherein: one end of each fixed upright post (3) is arranged on the chassis of the ladder car through a fixed clamping block (1) and a fixed bolt (2), the number of the fixed clamping blocks (1) is two, the middle of each fixed clamping block (1) is arc-shaped, the two ends of each fixed clamping block are flat, the upper fixed clamping block and the lower fixed clamping block (1) are oppositely arranged, and the two fixed clamping blocks (1) are connected through the fixed bolts (2).

5. The ladder car brake device according to claim 1, wherein: the fixed upright post (3) is L-shaped, and an upright post supporting rod (4) is arranged between the vertical edge of the L-shaped upright post and the fixed base (11).

6. The ladder car brake device according to claim 1, wherein: and a rubber pad (5) is arranged on the bottom surface of the brake pad (6) which is in contact with the wheels of the ladder truck.

7. The ladder car brake device according to claim 1, wherein: the fixed base (11) is of a hollow bottomless box-shaped structure, round holes connected with the other end of the fixed upright post (3) are formed in the left side face and the right side face of the fixed base respectively, a notch (18) is formed in the front, facing an operator, of the fixed base (11), and the shaft A (12) and the shaft B (13) are installed in the notch (18).

8. The ladder car brake device according to claim 1, wherein: one end of the brake pedal (8) is U-shaped, and the release pedal (9) is positioned in the U-shaped.