Braking device for subway train

Abstract

The utility model discloses a brake device for a subway train, which comprises a device body, a support frame, a connecting shaft, a front wheel and a rear wheel, the outer wall of the support frame is connected with a mounting frame I and a mounting frame II, a two-way screw rod is mounted in the support frame, one end of the two-way screw rod is connected with a motor, and the other end of the two-way screw rod is screwed with a lantern ring I and a lantern ring II and is respectively connected with a brake clamp I and a brake clamp II; brake plates are mounted on the inner walls of the brake clamps. The device drives the two-way lead screw through the motor to achieve rapid movement of the braking clamp, and braking operation is completed. The shock absorber is installed on the supporting frame, shock in the train running process can be absorbed, the service life of the device is prolonged, and running stability of the device is improved. An anti-skid pad is arranged on the inner wall of the braking vane, so that the braking stability is ensured. The braking device is high in response speed, accurate in braking force adjustment, simple in structure, high in reliability and suitable for the rapid braking requirement of the subway train.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rail transit technical field, concretely relates to a brake device for subway train. BACKGROUND

[0002] As an efficient and environmentally friendly urban public transport tool, the running safety and reliability of subway train are of great importance. The brake system is a key component of subway train, which is used to realize the deceleration and parking of train. The traditional subway train brake device mostly adopts pneumatic or hydraulic brake system, which has the following shortcomings: first, the response speed of traditional brake device is slow, which is difficult to meet the rapid braking demand of subway train in high frequency and short distance operation; second, the brake force regulation of traditional brake device is not accurate enough, which is easy to cause the brake distance too long or too short, affecting the stability and safety of train operation; in addition, the structure of traditional brake device is complex, the maintenance cost is high, and it is easy to wear and fail under high load operation. Therefore, developing a brake device for subway train with fast response speed, accurate brake force regulation and simple structure has important significance for improving the safety and operation efficiency of subway train. SUMMARY

[0003] The utility model aims at providing a brake device for subway train to solve the problems in the above background.

[0004] To solve the above problems, the following technical scheme is provided:

[0005] A brake device for subway train is designed, which comprises a device body, a support frame contained in the device body, a connecting shaft installed in the support frame, a front wheel and a rear wheel installed on the connecting shaft, a mounting frame two and a mounting frame one connected to the outer wall of the support frame, a bidirectional screw rod installed in the mounting frame one and the mounting frame two, a motor connected to one end of the bidirectional screw rod, a sleeve ring one and a sleeve ring two respectively screwed on the bidirectional screw rod, a brake clamp one connected to one end of the sleeve ring one, a brake clamp two connected to one end of the sleeve ring two, and a brake plate installed on the inner wall of the brake clamp one and the brake clamp two.

[0006] Further, a shock absorber is installed on the support frame, and a connecting seat is installed above the shock absorber.

[0007] Further, a fixed plate is welded to the outer side wall of the mounting frame two, and a motor is fixedly installed above the fixed plate.

[0008] Further, a guide ring is fixedly arranged on the brake clamp one and the brake clamp two, and a guide rod is slidingly installed in the guide ring.

[0009] Further, a plurality of groups of guide rods are provided, and a limiting ring is fixedly arranged at the left and right ends of each group of guide rods.

[0010] Further, the brake plate, brake clamp one and brake clamp two are fixedly installed with springs, and the springs are provided with multiple groups.

[0011] Further, the brake plate is provided with two groups, and anti-skid pads are fixedly arranged on the inner walls of the two groups of brake plates.

[0012] Compared with the prior art, the brake device has the beneficial effects that:

[0013] Fast response and accurate braking: the bidirectional screw rod is driven by the motor to realize the fast movement of the brake clamp, and the braking operation can be completed in a short time, thereby significantly improving the braking response speed. Meanwhile, the accurate transmission of the bidirectional screw rod can realize fine adjustment of the braking force, thereby ensuring the stability and accuracy of the braking distance.

[0014] Simple structure and high reliability: the device adopts motor driving and bidirectional screw rod transmission, has compact structure and few parts, thereby reducing the possibility of mechanical failure. Meanwhile, the design of the guide ring and the guide rod ensures the stable movement of the brake clamp, avoids position deviation, and further improves the reliability of the brake device.

[0015] Damping and buffering function: the shock absorber is installed on the support frame, can effectively absorb the vibration and impact during train operation, protects the parts of the brake device, prolongs the service life, and improves the stability of train operation.

[0016] Anti-skid and stable braking: the anti-skid pads are arranged on the inner walls of the brake plates, increase the friction force with the wheels, ensure the stability during braking, and avoid braking failure caused by wheel skidding.

[0017] Easy maintenance and adjustment: the structure design of the device is convenient for disassembly and maintenance, the springs and the guide rods are arranged to allow users to adjust the braking gap according to needs, ensure the full contact between the device and the wheels, and further improve the braking performance. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application and are used to explain the present application together with the embodiments of the present application, and do not constitute a limitation on the present application. In the drawings:

[0019] Figure 1 It is a perspective view of the overall structure of the present application;

[0020] Figure 2 It is a working diagram of the brake structure of the present application

[0021] Figure 3 It is an exploded view of the brake structure of the present application;

[0022] Figure 4The brake structure of the utility model is partially exploded.

[0023] Figure 5 The protective structure of the utility model is exploded.

[0024] In the figure: 1, device body; 2, support frame; 3, shock absorber; 4, connecting seat; 5, connecting shaft; 6, front wheel; 7, rear wheel; 8, mounting frame two; 81, mounting frame one; 9, brake clamp one; 10, brake clamp two; 11, bidirectional screw rod; 12, motor; 13, fixed plate; 14, collar one; 15, collar two; 16, guide ring; 17, guide rod; 18, spring; 19, brake plate; 20, non-slip pad. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0026] As Figure 1 As shown in FIG. 5, the brake device for subway train provided by the embodiment comprises a device body 1, the device body 1 contains a support frame 2 inside, the support frame 2 is provided with a connecting shaft 5 installed inside, the connecting shaft 5 is provided with a front wheel 6 and a rear wheel 7 installed thereon, the outer wall of the support frame 2 is connected with a mounting frame two 8 and a mounting frame one 81, the mounting frame one 81 and the mounting frame two 8 are provided with a bidirectional screw rod 11 installed inside, one end of the bidirectional screw rod 11 is connected with a motor 12, and the bidirectional screw rod 11 is respectively screwed with a collar one 14 and a collar two 15, one end of the collar one 14 is connected with a brake clamp one 9, one end of the collar two 15 is connected with a brake clamp two 10, and the inner wall of the brake clamp one 9 and the brake clamp two 10 is provided with a brake plate 19 installed thereon.

[0027] Preferably, the support frame 2 is provided with a shock absorber 3, and the shock absorber 3 is provided with a connecting seat 4 installed above;

[0028] By arranging the connecting seat 4, the user can conveniently install and fix the train carriage, and by arranging the shock absorber 3, the installed train carriage can be buffered and damped, so that the safety of the train carriage during use is ensured.

[0029] Preferably, the outer side wall of the mounting frame two 8 is welded with a fixed plate 13, and the fixed plate 13 is fixedly provided with a motor 12 installed above;

[0030] By arranging the fixed plate 13, the stability of the motor 12 is increased, so that the safety of the motor 12 during use is ensured.

[0031] Preferably, the brake clamp one 9 and the brake clamp two 10 are both fixedly provided with a guide ring 16, and the guide ring 16 is slidably provided with a guide rod 17 installed inside;

[0032] By setting the guide rod 17 and the guide ring 16, the direction of the brake clamp one 9 and the brake clamp two 10 can be guided, and the position deviation of the brake clamp one 9 and the brake clamp two 10 during movement can be avoided.

[0033] Preferably, the guide rod 17 is provided with a plurality of groups, and the left and right ends of the plurality of groups of guide rods 17 are fixedly provided with limiting rings.

[0034] By setting the limiting ring, the guide rod 17 can be limited and fixed, and the falling of the device during movement can be avoided.

[0035] Preferably, the brake plate 19, the brake clamp one 9 and the brake clamp two 10 are fixedly provided with springs 18, and the springs 18 are provided with a plurality of groups.

[0036] By setting the spring 18, the brake plate 19, the brake clamp one 9 and the brake clamp two 10 can be connected and fixed, and the contact and intimacy between the devices are increased.

[0037] Preferably, the brake plate 19 is provided with two groups, and the inner walls of the two groups of brake plates 19 are fixedly provided with anti-skid pads 20.

[0038] By setting the anti-skid pad 20, the stability and the anti-skid property of the brake plate 19 are increased, the safety of the brake plate 19 during use is ensured, and the sliding of the brake plate 19 during use is avoided.

[0039] The use principle and the use process of the utility model are as follows: during use, the control motor 12 is operated, the motor 12 drives the bidirectional screw rod 11 to rotate, the bidirectional screw rod 11 drives the sleeve ring one 14 and the sleeve ring two 15 to move on the bidirectional screw rod 11 when rotating, the sleeve ring one 14 and the sleeve ring two 15 drive the brake clamp one 9 and the brake clamp two 10 to approach each other when moving, the spring 18, the brake plate and the anti-skid pad 20 are moved during the approaching process, until the anti-skid pad 20 is tightly attached to the front wheel 6, the spring 18 is extruded and shrunk during the tightly attaching process, until the front wheel 6 is braked, the device can be braked according to the use requirement, the user can adjust the gap to make the device fully contact with the wheel, the braking response is faster, the braking force is more stable, the braking performance is improved, and the safety of the device is ensured.

[0040] The technical scheme of the utility model is not limited to the limitation of the above-mentioned specific embodiments, and any technical deformation according to the technical scheme of the utility model falls within the protection scope of the utility model.

Claims

1. A braking device for subway trains, characterized in that, The utility model provides a kind of two-wheeled vehicle, including device body (1), the support frame (2) is contained in the device body (1), connecting shaft (5) is installed in the support frame (2), front wheel (6) and rear wheel (7) are installed on the connecting shaft (5), mounting frame two (8) and mounting frame one (81) are connected on the outer wall of the support frame (2), bidirectional screw rod (11) is installed in the mounting frame one (81) and mounting frame two (8), motor (12) is connected with one end of the bidirectional screw rod (11) and respectively screwed with collar one (14) and collar two (15) on the bidirectional screw rod (11), brake clamp one (9) is connected with one end of the collar one (14), brake clamp two (10) is connected with one end of the collar two (15), brake pad (19) is installed on the inner wall of brake clamp one (9) and brake clamp two (10).

2. The brake device for a subway train according to claim 1, wherein The support frame (2) is provided with a shock absorber (3), and a connecting seat (4) is installed above the shock absorber (3).

3. The brake device for a subway train according to claim 1, wherein The outer side wall of the mounting frame two (8) is welded with a fixed plate (13), and the motor (12) is fixedly installed above the fixed plate (13).

4. The brake device for a subway train according to claim 1, wherein The brake clamp one (9) and the brake clamp two (10) are both provided with a guide ring (16), and the guide ring (16) is slidably installed with a guide rod (17).

5. The brake device for a subway train according to claim 4, wherein The guide rod (17) is provided with a plurality of groups, and the left and right ends of the plurality of guide rods (17) are both fixedly provided with a limiting ring.

6. The brake device for a subway train according to claim 1, wherein The brake pad (19), the brake clamp one (9) and the brake clamp two (10) are all fixedly installed with a spring (18), and the spring (18) is provided with a plurality of groups.

7. The brake device for a subway train according to claim 1, wherein The brake pad (19) is provided with two groups, and the inner wall of the two brake pads (19) is both fixedly provided with a non-slip pad (20).

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