Railway vehicle braking auxiliary equipment
By setting limit grooves and positioning grooves between the brake shoe and the support plate, and by using connecting blocks and spring structures to disperse friction, the high friction problem of the brake when the piston pushes the brake shoe is solved, thus improving the stability and service life of the equipment.
Patent Information
- Application Number
- CN202423123808.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-18
AI Technical Summary
Existing railway vehicle braking auxiliary equipment generates significant friction when the piston pushes the brake shoe into contact with the rail wheel surface, resulting in the brake housing and piston rod bearing considerable force.
By setting limit grooves and positioning grooves between the brake shoe and the support plate, the stability of the brake shoe is increased, and the friction force is distributed to multiple components through the combination structure of connecting block, connecting rod and spring, thus reducing the reaction force of potential energy.
It improves the stability of the brake shoe when in contact with the wheel surface, extends the service life of the equipment, and reduces the stress on a single point by distributing the friction force at multiple points, thus improving the durability of the equipment.
Smart Images
Figure CN223520819U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to railway vehicle braking related technical field especially, relates to a railway vehicle braking auxiliary equipment. BACKGROUND
[0002] Railway vehicle is the carrier for transporting passengers and goods of railway transport department, generally refers to the vehicle along the special track operation, and railway vehicle is basically composed of car body, frame and bogie, wherein the bogie includes brake device, and the brake device functions to ensure that the train running at high speed can decelerate and stop in a specified distance, and the brake device has many types, wherein the pneumatic brake system is relatively common, and the compressed air enters the brake, pushes the piston to move, makes the brake shoe and rail wheel contact, generates friction to decelerate, and the brake device is an essential part of railway vehicle, therefore, a railway vehicle braking auxiliary equipment is required.
[0003] Most of the existing railway vehicle braking auxiliary equipment, when the brake shoe is in contact with the surface of the rail wheel by the piston, will produce a large friction instantaneously, and the potential energy generated will be reacted on the piston through the brake shoe, resulting in that the brake box and the piston rod will bear a large force. UTILITY MODEL CONTENTS
[0004] The utility model discloses a railway vehicle braking auxiliary equipment to solve the problem that most of the existing railway vehicle braking auxiliary equipment, when the brake shoe is in contact with the surface of the rail wheel by the piston, will produce a large friction instantaneously, and the potential energy generated will be reacted on the piston through the brake shoe, resulting in that the brake box and the piston rod will bear a large force.
[0005] To achieve the above object, the utility model provides the following technical scheme: a railway vehicle braking auxiliary equipment, including brake cylinder body, both sides of the brake cylinder body surface are all screw -threaded connection has fixed block, the one end of fixed block is rotatably connected with support, one end of support is rotatably connected with the supporting plate, and the both sides of the surface of supporting plate are integrally formed with the locating block, one side of supporting plate is provided with brake shoe, the both sides of the surface of brake shoe are provided with the limiting slot, the both sides of the surface of brake shoe are provided with the locating slot, and the one side surface of brake shoe is integrally formed with the connecting block, the surface of connecting block is provided with the through -hole, one side both ends of supporting plate are fixedly connected with connecting rod, one end of connecting rod is fixedly installed with connecting ring, one side surface of supporting plate is integrally formed with the connecting sleeve, the surface of connecting sleeve is provided with the connecting hole, one end of brake cylinder body is provided with piston rod, the outer ring of piston rod is provided with spring, one end of piston rod is fixedly installed with the connector, the both sides of the inner ring of connector are integrally provided with the convex block, one side of connector penetrates and is provided with fixed bolt, and one end of fixed bolt is connected with nut.
[0006] Preferably, the shoe is embedded with the positioning groove and the positioning block, and the shoe limiting groove position is matched with the gap position of the supporting plate.
[0007] Preferably, the surface of the supporting plate is provided with a hole groove corresponding to the size of the connecting block, and the position is matched with the connecting sleeve, the size of the through hole is matched with the size of the connecting hole.
[0008] Preferably, the connecting head is sleeved on the outer circle of the connecting sleeve, and the outer surface of the connecting sleeve is provided with a hole groove corresponding to the protruding block, one end of the fixing bolt is threaded through the connecting head, the connecting sleeve, the connecting block and the nut.
[0009] Preferably, the spring is provided with two groups, and one end of one group of the spring is fixedly connected with the brake cylinder body, and the other end is matched with one side of the connecting ring, and one end of the other group of the spring is fixedly connected with the connecting head, and the other end is matched with the other side of the connecting ring.
[0010] Compared with the prior art, the beneficial effects of the utility model are that: the railway vehicle brake auxiliary equipment can increase the stability of the shoe and the supporting plate through the limiting groove, the positioning groove and the positioning block, prevent the shoe from deviating when being matched with the surface of the wheel, the shoe, the supporting plate and the connecting head can be fixedly installed together through the connecting block, the installation is fast and convenient, and the pressure of the shoe when the shoe and the surface of the wheel produce friction can be shared to the spring close to the brake cylinder body through the connecting rod and the connecting ring, and the spring on the side of the connecting head can be matched, the potential energy brought by friction can be better absorbed through the form of multi-point sharing. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is the overall appearance structure schematic view of the utility model;
[0012] Figure 2 It is the overall exploded structure schematic view of the utility model;
[0013] Figure 3 It is the supporting plate structure schematic view of the utility model;
[0014] Figure 4 It is the shoe structure schematic view of the utility model.
[0015] In the drawing: 1, brake cylinder body; 2, fixed block; 3, support; 4, supporting plate; 5, positioning block; 6, shoe; 7, limiting groove; 8, positioning groove; 9, connecting block; 10, through hole; 11, connecting rod; 12, connecting ring; 13, connecting sleeve; 14, connecting hole; 15, piston rod; 16, spring; 17, connecting head; 18, protruding block; 19, fixing bolt; 20, nut. DETAILED DESCRIPTION
[0016] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.
[0017] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a railway vehicle brake auxiliary equipment, including brake cylinder body 1, brake cylinder body 1 surface both sides are all screw connection with fixed block 2, one end of fixed block 2 is rotatably connected with support 3, one end of support 3 is rotatably connected with supporting plate 4, the surface both sides of supporting plate 4 are integrally formed with locating block 5, one side of supporting plate 4 is provided with brake shoe 6, the surface both sides of brake shoe 6 are provided with limiting slot 7, the surface both sides of brake shoe 6 are provided with locating groove 8, one side surface of brake shoe 6 is integrally formed with connecting block 9, the surface of connecting block 9 is provided with through hole 10, one side of supporting plate 4 both ends is fixedly connected with connecting rod 11, one end of connecting rod 11 is fixedly installed with connecting ring 12, one side surface of supporting plate 4 is integrally formed with connecting sleeve 13, the surface of connecting sleeve 13 is provided with connecting hole 14, one end of brake cylinder body 1 is provided with piston rod 15, the outer circle of piston rod 15 is sleeved with spring 16, one end of piston rod 15 is fixedly installed with connector 17, the inner circle both sides of connector 17 are integrally provided with protruding block 18, one side of connector 17 is penetrated with fixed bolt 19, one end of fixed bolt 19 is connected with nut 20.
[0018] Further, brake shoe 6 is embedded with locating block 5 through locating groove 8, and the position of limiting slot 7 of brake shoe 6 is matched with the gap position of supporting plate 4, by the setting of limiting slot 7 and locating groove 8, when brake shoe 6 is installed with supporting plate 4, limiting slot 7 and locating groove 8 can increase the stability of brake shoe 6 installation.
[0019] Further, the surface of supporting plate 4 is provided with hole groove corresponding to the size of connecting block 9, and the position is corresponding to connecting sleeve 13, the size of through hole 10 is matched with the size of connecting hole 14, by the setting of connecting block 9, when brake shoe 6 is matched with supporting plate 4, connecting block 9 will penetrate the inside of supporting plate 4 and connecting sleeve 13 and be matched, it is convenient to be installed through fixed bolt 19 and nut 20 simultaneously.
[0020] Further, connector 17 is sleeved on the outer circle of connecting sleeve 13, and the outer surface of connecting sleeve 13 is provided with hole groove corresponding to protruding block 18, one end of fixed bolt 19 penetrates connector 17, connecting sleeve 13, connecting block 9 and is screwed with nut 20.
[0021] Further, the spring 16 is provided with two groups, and one end of one group of spring 16 is fixedly connected with the brake cylinder body 1, and the other end is attached to one side of the connecting ring 12, and one end of the other group of spring 16 is fixedly connected with the connecting head 17, and the other end is attached to the other side of the connecting ring 12, through the setting of the spring 16, the two groups of spring 16 can cooperate with the connecting ring 12, the connecting rod 11 and the connecting head 17, and slow down the potential energy generated by the brake shoe 6 and the surface of the wheel.
[0022] Working principle: first, when the compressed air pushes the piston rod 15 through the brake cylinder body 1, the piston rod 15 can push the supporting plate 4 and the brake shoe 6 to contact the surface of the wheel through the connecting head 17, in the process of continuous contact, the potential energy generated by friction will apply a certain pressure to the brake shoe 6 in the opposite direction, the brake shoe 6 will distribute the force received by the supporting plate 4 to the connecting rod 11 at both ends of the supporting plate 4 and the piston rod 15 at the center position, the connecting rod 11 will release the force received through the connecting ring 12 to push the spring 16 on one side, at the same time, the piston rod 15 will push the connecting ring 12 through the connecting head 17 to cooperate with the other group of spring 16, so that the two groups of spring 16 can simultaneously relieve the pressure received, so that the service life of the vehicle brake auxiliary equipment is longer.
[0023] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. Railway vehicle brake assisting device comprising a brake cylinder (1), characterized in that: The brake cylinder body (1) surface both sides are threadedly connected with fixed block (2), one end of the fixed block (2) is rotatably connected with support (3), one end of the support (3) is rotatably connected with the supporting plate (4), the surface of the supporting plate (4) is integrally formed with locating block (5) on both sides, the side of the supporting plate (4) is provided with brake shoe (6), the surface of the brake shoe (6) is provided with limiting groove (7) on both sides, the surface of the brake shoe (6) is provided with locating groove (8), the side surface of the brake shoe (6) is integrally formed with connecting block (9), the surface of the connecting block (9) is provided with through hole (10), the side of the supporting plate (4) is fixedly connected with connecting rod (11) at both ends, one end of the connecting rod (11) is fixedly installed with connecting ring (12), the side surface of the supporting plate (4) is integrally formed with connecting sleeve (13), the surface of the connecting sleeve (13) is provided with connecting hole (14), one end of the brake cylinder body (1) is provided with piston rod (15), the outer circle of the piston rod (15) is sleeved with spring (16), one end of the piston rod (15) is fixedly installed with connecting head (17), the inner circle of the connecting head (17) is integrally provided with protruding block (18) on both sides, the side of the connecting head (17) penetrates through fixed bolt (19), one end of the fixed bolt (19) is connected with nut (20).
2. A railway vehicle brake assisting apparatus according to claim 1, characterized by: The brake shoe (6) is embedded with the locating groove (8) and the locating block (5), and the brake shoe (6) limiting groove (7) position is combined with the supporting plate (4) gap position.
3. A railway vehicle brake assisting apparatus according to claim 1, characterized by: The surface of the supporting plate (4) is provided with hole groove corresponding to the size of the connecting block (9), and the position corresponds to the connecting sleeve (13), the size of the through hole (10) matches the size of the connecting hole (14).
4. A railway vehicle brake assisting apparatus according to claim 1, characterized by: The connecting head (17) is sleeved on the outer circle of the connecting sleeve (13), and the outer surface of the connecting sleeve (13) is provided with hole groove corresponding to the protruding block (18), one end of the fixed bolt (19) penetrates through the connecting head (17), the connecting sleeve (13), the connecting block (9) and the nut (20) is threadedly connected.
5. A railway vehicle brake assisting apparatus according to claim 1, characterized by: The spring (16) is provided with two groups, and one end of one group of the spring (16) is fixedly connected with the brake cylinder body (1), and the other end is combined with one side of the connecting ring (12), one end of the other group of the spring (16) is fixedly connected with the connecting head (17), and the other end is combined with the other side of the connecting ring (12).