Railway vehicle parking braking device

Abstract

The utility model relates to the technical field of parking braking devices, in particular to a parking braking device of a railway vehicle, which comprises a mounting frame, a fourth hinge piece and a positioning component, first hinge pieces are arranged at two ends of the inner side of the mounting frame, and second hinge pieces are arranged at the inner ends of the first hinge pieces. A brake pad mounting shell is arranged at one end of the second hinge piece, a third hinge piece is arranged at the upper end of the outer side of the brake pad mounting shell, and an air cylinder is mounted at the position, corresponding to the third hinge piece, of the outer side of the mounting frame. The two brake pad bodies are alternately attached to the outer side of the wheel body to conduct braking operation, the friction time of the single brake pad body and the wheel body is shortened, the brake pad bodies are prevented from being damaged due to overheating, the parking braking device for the railway vehicle is fixed through the two positioning components, the positioning components rotate at the outer end of the fourth hinge piece, and the brake pad bodies are fixed. And the fixing operation of different angle fixing positions is adapted.

Description

Technical Field

[0001] The utility model relates to the technical field of parking brake devices, in particular to a parking brake device for a rail vehicle. Background Art

[0002] Railcars are the main means of transportation for railway equipment maintenance, overhaul, infrastructure and other construction departments to perform tasks. Railcars move on tracks, and parking brakes are installed on the wheels of railcars for braking and decelerating railcars.

[0003] However, the rail vehicle parking brake device currently on the market has a brake pad that is pressed against the wheel body for a long time during braking, and the brake pad overheats and affects the braking effect, which is not conducive to the service life of the brake pad. The rail vehicle parking brake device is directly welded to the vehicle body by welding, and there is only one fixing position, the fixing firmness is low, and the fixing position needs to be accurately determined according to the fixing hole position. The rail vehicle parking brake device has a small adaptation range, which is not conducive to the flexibility of use. Therefore, those skilled in the art provide a rail vehicle parking brake device to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a rail vehicle parking brake device to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A parking brake device for a rail vehicle comprises a mounting frame, a fourth hinge and a positioning member, the fourth hinge being located at an outer end position of the mounting frame, the positioning member being located at an outer end position of the fourth hinge, first hinges being provided at both ends of the inner side of the mounting frame, a second hinge being provided at the inner end of the first hinge, a brake pad mounting shell being provided at one end of the second hinge, a third hinge being provided at an upper end position of the outer side of the brake pad mounting shell, a cylinder being installed at a position of the outer side of the mounting frame corresponding to the third hinge, a brake pad main body being provided on the inner side of the brake pad mounting shell, a vehicle body being provided on the outer side of the positioning member, a wheel groove being provided on the lower side of the vehicle body, a wheel body being installed inside the wheel groove, and a track being provided on the lower side of the wheel body.

[0007] As a further solution of the utility model: the positioning component includes an adjustment plate, a positioning plate is arranged on the outer side of the adjustment plate, an adjustment groove is opened on one side of the adjustment plate, a guide slide rod is arranged inside the positioning plate, and fixing screws are arranged at both ends of the positioning plate.

[0008] As a further solution of the utility model: one end of the cylinder passes through the mounting frame and is fixed at the outer position of the third hinge, the lower end of the second hinge is rotated at the inner end position of the first hinge, the upper end of the second hinge is rotated at the lower end position of the brake pad mounting shell, and the third hinge is rotated at the upper end position of the brake pad mounting shell.

[0009] As a further solution of the utility model: one end of the positioning member is rotated at the outer end position of the fourth hinge, the positioning member is fixed at the inner position of the wheel groove, and the brake pad body is located at the outer position of the wheel body.

[0010] As a further solution of the utility model: the positioning plate slides at the outer position of the adjustment plate, and the guide slide rod slides at the inner position of the adjustment groove.

[0011] As a further solution of the utility model: one end of the fixing screw passes through the positioning plate and rotates at the inner side of the wheel groove, and the positioning plate is fixed at the inner side of the wheel groove by the fixing screw.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model provides a rail vehicle parking brake device that performs a braking operation by alternately contacting the outer side of a wheel body with two brake pad bodies, thereby reducing the friction time between a single brake pad body and the wheel body, avoiding overheating and damage to the brake pad body, and facilitating the service life of the brake pad;

[0014] 2. A rail vehicle parking brake device is fixed by two positioning components to improve the firmness of the fixation. The positioning component rotates at the outer end of the fourth hinge to adapt to the fixing operation of different angles. The fixing position can be adjusted according to the fixing hole position, thereby improving the adaptation range and facilitating the flexibility of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a parking brake device for a rail vehicle;

[0016] Figure 2 It is an assembly drawing of a parking brake device for a railway vehicle;

[0017] Figure 3 The present invention is a structural schematic diagram of a positioning component in a parking brake device of a rail vehicle.

[0018] In the figure: 1, mounting frame; 2, first hinge; 3, second hinge; 4, brake pad mounting shell; 5, third hinge; 6, cylinder; 7, brake pad body; 8, fourth hinge; 9, positioning member; 10, vehicle body; 11, wheel groove; 12, wheel body; 13, track; 14, adjustment plate; 15, positioning plate; 16, adjustment groove; 17, guide rod; 18, fixing screw. DETAILED DESCRIPTION

[0019] See also Figures 1 to 3In an embodiment of the utility model, a rail vehicle parking brake device comprises a mounting frame 1, a fourth hinge 8 and a positioning member 9, wherein the fourth hinge 8 is located at the outer end of the mounting frame 1, and the positioning member 9 is located at the outer end of the fourth hinge 8. First hinges 2 are provided at both ends of the inner side of the mounting frame 1, a second hinge 3 is provided at the inner end of the first hinge 2, a brake pad mounting shell 4 is provided at one end of the second hinge 3, a third hinge 5 is provided at the outer upper end of the brake pad mounting shell 4, a cylinder 6 is installed at the position of the outer side of the mounting frame 1 corresponding to the third hinge 5, a brake pad main body 7 is provided on the inner side of the brake pad mounting shell 4, and a positioning member 9 is provided. A vehicle body 10 is arranged on the outer side of the component 9, a wheel groove 11 is arranged on the lower side of the vehicle body 10, a wheel body 12 is installed inside the wheel groove 11, and a track 13 is arranged on the lower side of the wheel body 12. One end of the cylinder 6 passes through the mounting frame 1 and is fixed at the outer side position of the third hinge 5. The lower end of the second hinge 3 rotates at the inner end position of the first hinge 2, the upper end of the second hinge 3 rotates at the lower end position of the brake pad mounting shell 4, the third hinge 5 rotates at the upper end position of the brake pad mounting shell 4, one end of the positioning member 9 rotates at the outer end position of the fourth hinge 8, the positioning member 9 is fixed at the inner position of the wheel groove 11, and the brake pad main body 7 is located at the outer side position of the wheel body 12. First, a rail vehicle parking brake device is brought to the use position. According to the angle of the wheel groove 11, the positioning member 9 is rotated at the outer end of the fourth hinge 8, and the positioning member 9 fits the installation position inside the wheel groove 11. The positioning member 9 is fixed to the inside of the wheel groove 11 to complete the installation of a rail vehicle parking brake device. Then, when braking is required, the cylinder 6 at the lower end of the mounting frame 1 is operated to push the third hinge 5, and the third hinge 5 is rotated at the upper end of the brake pad mounting shell 4. The lower end of the brake pad mounting shell 4 is rotated at the upper end of the second hinge 3, and the lower end of the second hinge 3 is rotated at the inner end of the first hinge 2, so that the brake pad body 7 is pressed to the outer side of the wheel body 12 for braking. , the cylinder 6 at the upper end of the mounting frame 1 runs to push the third hinge 5, the third hinge 5 rotates at the upper end of the brake pad mounting shell 4, the lower end of the brake pad mounting shell 4 rotates at the upper end of the second hinge 3, the lower end of the second hinge 3 rotates at the inner end of the first hinge 2, pressing the brake pad main body 7 to the outside of the wheel body 12 for braking, and the cylinder 6 at the lower end of the mounting frame 1 runs in the opposite direction to pull the third hinge 5. The third hinge 5 rotates at the upper end of the brake pad mounting shell 4, the lower end of the brake pad mounting shell 4 rotates at the upper end of the second hinge 3, the lower end of the second hinge 3 rotates at the inner end of the first hinge 2, the brake pad main body 7 leaves the wheel body 12, and the alternating braking of the brake pad main body 7 is completed.

[0020] exist Figure 2 , 3In: The positioning member 9 includes an adjusting plate 14, a positioning plate 15 is arranged on the outer side of the adjusting plate 14, an adjusting groove 16 is opened on one side of the adjusting plate 14, a guide slide rod 17 is arranged inside the positioning plate 15, and fixing screws 18 are arranged at both ends of the positioning plate 15, the positioning plate 15 slides at the outer position of the adjusting plate 14, the guide slide rod 17 slides in the inner position of the adjusting groove 16, one end of the fixing screw 18 passes through the positioning plate 15 and rotates at the inner position of the wheel groove 11, and the positioning plate 15 is fixed at the inner position of the wheel groove 11 by the fixing screw 18. According to the angle of the wheel groove 11, the adjusting plate 14 rotates at the outer end of the fourth hinge 8, and the positioning plate 15 fits the mounting position inside the wheel groove 11, the positioning plate 15 slides on the outer side of the adjusting plate 14, and the guide slide rod 17 slides inside the adjusting groove 16, the position of the positioning plate 15 is adjusted, and the fixing screw 18 is rotated to fix the positioning plate 15 to the inside of the wheel groove 11, thereby completing the installation of a parking brake device for a rail vehicle.

[0021] The working principle of the utility model is: first, a rail vehicle parking brake device is carried to the use position, according to the angle of the wheel groove 11, the adjustment plate 14 is rotated at the outer end of the fourth hinge 8, the positioning plate 15 is fitted into the installation position inside the wheel groove 11, the positioning plate 15 slides on the outer side of the adjustment plate 14, the guide slide rod 17 slides inside the adjustment groove 16, the position of the positioning plate 15 is adjusted, the fixing screw 18 is rotated to fix the positioning plate 15 to the inside of the wheel groove 11, and the installation of a rail vehicle parking brake device is completed. Then, when braking is needed, the cylinder 6 at the lower end of the mounting frame 1 runs to push the third hinge 5, the third hinge 5 rotates at the upper end of the brake pad mounting shell 4, the lower end of the brake pad mounting shell 4 rotates at the upper end of the second hinge 3, and the lower end of the second hinge 3 is The inner end of the first hinge 2 rotates to press the brake pad main body 7 to the outside of the wheel body 12 for braking, and the cylinder 6 at the upper end of the mounting frame 1 runs to push the third hinge 5, the third hinge 5 rotates at the upper end of the brake pad mounting shell 4, the lower end of the brake pad mounting shell 4 rotates at the upper end of the second hinge 3, the lower end of the second hinge 3 rotates at the inner end of the first hinge 2, and the brake pad main body 7 is pressed to the outside of the wheel body 12 for braking, and the cylinder 6 at the lower end of the mounting frame 1 runs in the opposite direction to pull the third hinge 5. The third hinge 5 rotates at the upper end of the brake pad mounting shell 4, the lower end of the brake pad mounting shell 4 rotates at the upper end of the second hinge 3, and the lower end of the second hinge 3 rotates at the inner end of the first hinge 2, and the brake pad main body 7 leaves the wheel body 12, completing the alternating braking of the brake pad main body 7.

[0022] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A rail vehicle parking brake device, comprising a mounting frame (1), a fourth hinge (8) and a positioning member (9), wherein the fourth hinge (8) is located at an outer end position of the mounting frame (1), and the positioning member (9) is located at an outer end position of the fourth hinge (8), characterized in that: The mounting frame (1) is provided with first hinges (2) at both ends of the inner side, the inner end of the first hinge (2) is provided with a second hinge (3), one end of the second hinge (3) is provided with a brake pad mounting shell (4), the outer upper end of the brake pad mounting shell (4) is provided with a third hinge (5), the outer side of the mounting frame (1) is provided with a cylinder (6) at a position corresponding to the third hinge (5), the inner side of the brake pad mounting shell (4) is provided with a brake pad body (7), the outer side of the positioning member (9) is provided with a vehicle body (10), the lower side of the vehicle body (10) is provided with a wheel groove (11), the inner side of the wheel groove (11) is provided with a wheel body (12), and the lower side of the wheel body (12) is provided with a track (13).

2. A rail vehicle parking brake device according to claim 1, characterized in that: The positioning member (9) comprises an adjustment plate (14), a positioning plate (15) is arranged on the outer side of the adjustment plate (14), an adjustment groove (16) is opened on one side of the adjustment plate (14), a guide slide rod (17) is arranged inside the positioning plate (15), and fixing screws (18) are arranged at both ends of the positioning plate (15).

3. A rail vehicle parking brake device according to claim 1, characterized in that: One end of the cylinder (6) passes through the mounting frame (1) and is fixed at the outer position of the third hinge (5); the lower end of the second hinge (3) rotates at the inner end position of the first hinge (2); the upper end of the second hinge (3) rotates at the lower end position of the brake pad mounting shell (4); and the third hinge (5) rotates at the upper end position of the brake pad mounting shell (4).

4. A rail vehicle parking brake device according to claim 1, characterized in that: One end of the positioning member (9) is rotated at the outer end position of the fourth hinge (8), the positioning member (9) is fixed at the inner position of the wheel groove (11), and the brake pad body (7) is located at the outer side position of the wheel body (12).

5. A rail vehicle parking brake device according to claim 2, characterized in that: The positioning plate (15) slides at an outer position of the adjustment plate (14), and the guide slide rod (17) slides at an inner position of the adjustment groove (16).

6. A rail vehicle parking brake device according to claim 2, characterized in that: One end of the fixing screw (18) passes through the positioning plate (15) and rotates at the inner side of the wheel groove (11), and the positioning plate (15) is fixed at the inner side of the wheel groove (11) by the fixing screw (18).

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