Floating caliper type radial double-push-rod air pressure disc brake

Abstract

The utility model relates to the technical field of brakes, in particular to a floating caliper type radial double-push-rod air pressure disc brake which comprises a brake disc, a floating caliper frame which is obliquely arranged is arranged on the outer side of the brake disc, limiting cylinders which are horizontally arranged and fixedly connected with the bottom end of the floating caliper frame are symmetrically arranged at the bottom end of the floating caliper frame, and first pistons are arranged on the inner sides of the limiting cylinders. One side of the first piston is fixedly connected with a horizontally-arranged push rod, the end, away from the first piston, of the push rod is fixedly connected with a brake pad, and the end, away from the brake disc, of the limiting cylinder is fixedly connected with a flow dividing pipe communicated with the limiting cylinder. Through the arrangement of the flow dividing pipe, the three-way electromagnetic valve, the air inlet pipe, the connecting pipe, the air pressure cylinder, a second piston, a sliding rod, a mounting plate, a clamping block, a cleaning plate, a clamping groove and a fixing frame, the brake disc can be cleaned, and the situation that the brake disc is greatly abraded by silt is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of brakes, in particular to a floating caliper radial double-push rod pneumatic disc brake. Background Art

[0002] The floating caliper radial double push rod pneumatic disc brake is an advanced braking system widely used in commercial vehicles and heavy machinery. The brake adopts a floating caliper design, which allows the brake caliper to float freely on the brake disc, ensuring uniform braking force distribution, and can automatically adjust the brake clearance to reduce brake deflection and thermal deformation. The radial double push rod structure applies braking force radially from both sides of the brake disc through two push rods, providing a more balanced braking effect, dispersing the load, reducing single point stress, and extending the life of the brake. The pneumatic drive system uses compressed air to drive the brake, which is suitable for heavy vehicles that require frequent braking and large braking force, and has the advantages of fast response speed and high control accuracy.

[0003] The existing floating caliper radial double push rod air disc brake is widely used, but when the vehicle is wading, mud and sand may adhere to the outside of the brake disc, and direct braking will cause the mud and sand to wear the brake disc. In the long run, it will cause problems such as abnormal brake noise and weakened braking force. Although the disc brake has good heat dissipation performance, it may still experience thermal decay under extreme conditions (such as racing or long-term downhill), resulting in reduced braking efficiency. Therefore, a floating caliper radial double push rod air disc brake is proposed to address the above problems. Utility Model Content

[0004] The utility model aims to provide a floating caliper radial double-push rod pneumatic disc brake to solve the problems of mud and sand wearing the brake disc and overheating of the brake disc under extreme conditions proposed in the above background technology.

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

[0006] A floating caliper radial double-push rod pneumatic disc brake, comprising a brake disc, an inclined floating caliper frame is arranged on the outside of the brake disc, a limiting cylinder which is horizontally arranged and fixedly connected to the bottom end of the floating caliper frame is symmetrically arranged at the bottom end of the floating caliper frame, a first piston is arranged on the inside of the limiting cylinder, a horizontally arranged push rod is fixedly connected to one side of the first piston, a brake pad is fixedly connected to the end of the push rod away from the first piston, a shunt pipe which passes through the limiting cylinder is fixedly connected to the end of the limiting cylinder away from the brake disc, a three-way solenoid valve is fixedly connected to the outside of the shunt pipe, and one end of the three-way solenoid valve is fixedly connected to the three-way solenoid valve. An air intake pipe through the valve, one side of the air intake pipe is provided with a connecting pipe fixedly connected to one end of the three-way solenoid valve and passing through the three-way solenoid valve, the end of the connecting pipe away from the three-way solenoid valve is fixedly connected to an air pressure cylinder, a second piston is provided on the inner side of the air pressure cylinder, a horizontally arranged sliding rod is fixedly connected to one side of the second piston, an end of the sliding rod away from the second piston is fixedly connected to a mounting plate, a side of the mounting plate away from the sliding rod is fixedly connected to a clamping block, a cleaning plate is provided on the side of the mounting plate close to the clamping block, a clamping groove is provided on the side of the cleaning plate close to the mounting plate, and a fixing frame is provided on the outer side of the cleaning plate.

[0007] Preferably, connecting rods which are arranged obliquely and fixedly connected to the outer side of the fixing frame are symmetrically provided on the outer side of the fixing frame, and a cooling fan is fixedly connected to one end of the connecting rod away from the fixing frame.

[0008] Preferably, the inner side of the limiting cylinder is tightly fitted with the outer side of the first piston, the push rod passes through the limiting cylinder and is connected to the limiting cylinder by a sliding connection, and the air pressure cylinder is fixedly connected to the outer side of the fixed frame.

[0009] Preferably, the inner side of the air cylinder is tightly fitted with the outer side of the second piston, the sliding rod passes through the air cylinder and is connected to the air cylinder by a sliding connection, and the sliding rod passes through the fixed frame and is connected to the fixed frame by a sliding connection.

[0010] Preferably, the mounting plate is connected to the fixing frame by sliding connection, and the engaging block is connected to the engaging groove by engaging connection.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. In the utility model, the shunt pipe, three-way solenoid valve, air intake pipe, connecting pipe, air pressure cylinder, second piston, slide rod, mounting plate, clamping block, cleaning plate, clamping groove and fixing frame are arranged to clean the brake disc and prevent the mud and sand from causing great wear to the brake disc. After the vehicle wades through water, the three-way solenoid valve is started to connect the air intake pipe and the connecting pipe, and the vehicle brake is stepped on to introduce gas into the air intake pipe. The second piston can drive the slide rod to move so that the cleaning plate and the brake disc are closely attached. The cleaning plate with a relatively soft material can wipe the mud and sand on the surface of the brake disc;

[0013] 2. In the utility model, the heat dissipation performance of the brake disc can be improved by providing a connecting rod and a cooling fan. When the brake disc is overheated due to a long period of downhill running, the cooling fan is started and the wind blown by the cooling fan can quickly take away the heat of the brake disc. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the installation structure of the cleaning plate of the utility model;

[0017] Figure 4 This is a schematic diagram of the cross-sectional structure of the air pressure cylinder of the utility model;

[0018] Figure 5 It is a schematic diagram of the cross-sectional structure of the limiting cylinder of the utility model.

[0019] In the figure: 1. brake disc; 2. floating caliper frame; 3. limit cylinder; 4. first piston; 5. push rod; 6. brake pad; 7. shunt pipe; 8. three-way solenoid valve; 9. intake pipe; 10. connecting pipe; 11. air pressure cylinder; 12. second piston; 13. sliding rod; 14. mounting plate; 15. snap block; 16. cleaning plate; 17. snap groove; 18. fixing frame; 19. connecting rod; 20. cooling fan. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0022] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0023] See also Figure 1-5 , the utility model provides a technical solution:

[0024] A floating caliper radial double-push rod pneumatic disc brake, comprising a brake disc 1, an inclined floating caliper frame 2 is arranged on the outside of the brake disc 1, a limit cylinder 3 which is horizontally arranged and fixedly connected to the bottom end of the floating caliper frame 2 is symmetrically arranged at the bottom end of the floating caliper frame 2, a first piston 4 is arranged on the inside of the limit cylinder 3, a horizontally arranged push rod 5 is fixedly connected to one side of the first piston 4, a brake pad 6 is fixedly connected to one end of the push rod 5 away from the first piston 4, a shunt pipe 7 which is connected to the limit cylinder 3 and is connected to the end of the limit cylinder 3 away from the brake disc 1, a three-way solenoid valve 8 is fixedly connected to the outside of the shunt pipe 7, an intake pipe 9 which is connected to the three-way solenoid valve 8 is fixedly connected to one end of the three-way solenoid valve 8, and the intake pipe A connecting pipe 10 is provided on one side of 9, which is fixedly connected to one end of the three-way solenoid valve 8 and passes through the three-way solenoid valve 8. An end of the connecting pipe 10 away from the three-way solenoid valve 8 is fixedly connected to a pneumatic cylinder 11, a second piston 12 is provided on the inner side of the pneumatic cylinder 11, a horizontally arranged sliding rod 13 is fixedly connected to one side of the second piston 12, an end of the sliding rod 13 away from the second piston 12 is fixedly connected to a mounting plate 14, a side of the mounting plate 14 away from the sliding rod 13 is fixedly connected to a clamping block 15, a cleaning plate 16 is provided on the side of the mounting plate 14 close to the clamping block 15, a clamping groove 17 is provided on the side of the cleaning plate 16 close to the mounting plate 14, and a fixing frame 18 is provided on the outer side of the cleaning plate 16.

[0025] The outer side of the fixed frame 18 is symmetrically provided with a connecting rod 19 which is inclined and fixedly connected to the outer side of the fixed frame 18. The end of the connecting rod 19 away from the fixed frame 18 is fixedly connected to a cooling fan 20. The wind blown by the cooling fan 20 can quickly take away the heat of the brake disc 1. The inner side of the limit cylinder 3 is tightly fitted with the outer side of the first piston 4. The push rod 5 penetrates the limit cylinder 3 and is connected to the limit cylinder 3 in a sliding manner. The air pressure cylinder 11 is fixedly connected to the outer side of the fixed frame 18. The increase in air pressure in the limit cylinder 3 can drive the push rod 5 to move the brake The disc 1 is braked, the inner side of the air cylinder 11 is tightly fitted with the outer side of the second piston 12, the sliding rod 13 passes through the air cylinder 11 and is connected to the air cylinder 11 in a sliding manner, the sliding rod 13 passes through the fixed frame 18 and is connected to the fixed frame 18 in a sliding manner, the air pressure inside the air cylinder 11 increases, which can drive the sliding rod 13 and the cleaning plate 16 to move, thereby cleaning the brake disc 1, the mounting plate 14 is connected to the fixed frame 18 in a sliding manner, and the engaging block 15 is connected to the engaging groove 17 in a engaging manner.

[0026] Working process: Power on the equipment before use, first install the cleaning plate 16, align the snap-in groove 17 on the cleaning plate 16 with the snap-in block 15 on the mounting plate 14 and press it down to complete the installation of the cleaning plate 16. When braking, step on the vehicle brake, and the gas enters the inner side of the limit cylinder 3 at the bottom of the floating caliper frame 2 through the intake pipe 9, the three-way solenoid valve 8 and the shunt pipe 7. The air pressure in the limit cylinder 3 increases to move the first piston 4, and the first piston 4 can drive the push rod 5 and the brake pad 6 to move until the brake pad 6 fits tightly with the brake disc 1, and the vehicle speed can be slowly reduced. After the vehicle wades, start the three-way solenoid valve 8 to connect the intake pipe 9 and the connecting pipe 10, step on the vehicle brake, and the brake can pass gas into the intake pipe 9, and the gas passes through the shunt pipe 7 and the connecting pipe 10 enters the limit cylinder 3 and the air pressure cylinder 11 respectively, the air pressure of the air pressure cylinders 11 on both sides of the fixed frame 18 increases to move the second piston 12, and the second piston 12 can drive the sliding rod 13 and the mounting plate 14 to move so that the cleaning plate 16 is closely fitted with the brake disc 1, and the cleaning plate 16 with a softer material can wipe the mud and sand on the surface of the brake disc 1, and then close the three-way solenoid valve 8 and the air pump to reset the sliding rod 13, and the intake pipe 9 is no longer connected to the connecting pipe 10, so that the cleaning of the brake disc 1 can be completed, and the cleaning plate 16 is prevented from continuously rubbing against the brake disc 1 when the brake is stepped on, causing the cleaning plate 16 to wear too quickly. After the brake disc 1 is overheated due to the vehicle going downhill for a long time, the cooling fan 20 at one end of the connecting rod 19 is started, and the wind blown by the cooling fan 20 can quickly take away the heat of the brake disc 1.

[0027] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The standard parts used in this utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt the conventional means such as bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A floating caliper radial double-push rod pneumatic disc brake, comprising a brake disc (1), characterized in that: The outer side of the brake disc (1) is provided with an inclined floating caliper frame (2); the bottom end of the floating caliper frame (2) is symmetrically provided with a limit cylinder (3) which is horizontally arranged and fixedly connected to the bottom end of the floating caliper frame (2); the inner side of the limit cylinder (3) is provided with a first piston (4); one side of the first piston (4) is fixedly connected with a horizontally arranged push rod (5); one end of the push rod (5) away from the first piston (4) is fixedly connected with a brake pad (6); one end of the limit cylinder (3) away from the brake disc (1) is fixedly connected with a shunt pipe (7) which passes through the limit cylinder (3); the outer side of the shunt pipe (7) is fixedly connected with a three-way solenoid valve (8); one end of the three-way solenoid valve (8) is fixedly connected with an intake pipe (9) which passes through the three-way solenoid valve (8); one side of the intake pipe (9) is provided with a valve fixedly connected to the three-way solenoid valve (8); A connecting pipe (10) is connected to one end of the valve (8) and is connected to the three-way solenoid valve (8); the end of the connecting pipe (10) away from the three-way solenoid valve (8) is fixedly connected to a pneumatic cylinder (11); a second piston (12) is provided on the inner side of the pneumatic cylinder (11); a horizontally arranged sliding rod (13) is fixedly connected to one side of the second piston (12); an end of the sliding rod (13) away from the second piston (12) is fixedly connected to a mounting plate (14); a side of the mounting plate (14) away from the sliding rod (13) is fixedly connected to a locking block (15); a cleaning plate (16) is provided on a side of the mounting plate (14) close to the locking block (15); a locking groove (17) is provided on a side of the cleaning plate (16) close to the mounting plate (14); and a fixing frame (18) is provided on the outer side of the cleaning plate (16).

2. A floating caliper radial double push rod pneumatic disc brake according to claim 1, characterized in that: The outside of the fixed frame (18) is symmetrically provided with a connecting rod (19) which is arranged obliquely and fixedly connected to the outside of the fixed frame (18); one end of the connecting rod (19) away from the fixed frame (18) is fixedly connected to a cooling fan (20).

3. The floating caliper radial double push rod pneumatic disc brake according to claim 1, characterized in that: The inner side of the limiting cylinder (3) is tightly fitted with the outer side of the first piston (4); the push rod (5) passes through the limiting cylinder (3) and is connected to the limiting cylinder (3) in a sliding manner; and the air pressure cylinder (11) is fixedly connected to the outer side of the fixed frame (18).

4. The floating caliper radial double push rod pneumatic disc brake according to claim 1, characterized in that: The inner side of the air cylinder (11) is tightly fitted with the outer side of the second piston (12); the sliding rod (13) passes through the air cylinder (11) and is connected to the air cylinder (11) in a sliding manner; the sliding rod (13) passes through the fixed frame (18) and is connected to the fixed frame (18) in a sliding manner.

5. The floating caliper radial double push rod pneumatic disc brake according to claim 1, characterized in that: The mounting plate (14) and the fixing frame (18) are connected in a sliding manner, and the engaging block (15) and the engaging groove (17) are connected in a engaging manner.

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