Double-channel hydraulic actuating mechanism of anti-lock braking system

Abstract

The utility model relates to the technical field of anti-lock system actuating mechanisms, in particular to a double-channel hydraulic actuating mechanism of an anti-lock system, which comprises a machine body, a planet carrier and an eccentric block, a rotating rod is rotatably arranged in the machine body, the rotating rod is used for being connected with a rotating shaft of a motor for transmission, the planet carrier is rotatably arranged on the machine body, and the eccentric block is arranged on the machine body. The machine body is provided with a rotating assembly, the rotating assembly is used for driving the planet carrier to rotate, and the planet carrier and the eccentric block are integrally formed. The device has the effect of improving the durability of the device.

Description

TECHNICAL FIELD

[0001] The utility model relates to anti -lock system actuating mechanism technical field especially is related to a kind of double-channel anti -lock system hydraulic actuator. BACKGROUND

[0002] Anti -lock system (ABS) is also called "anti -lock braking device", prevent motor vehicle when emergency braking wheel is completely locked skidding device, mainly including wheel speed sensor, brake pressure regulating execution system (HCU), electronic control system (ECU) etc., HCU is ABS actuator, generally by booster valve (normally open valve), pressure reducing valve (normally closed valve), liquid return pump, energy accumulator is composed. Booster valve and pressure reducing valve are controlled by ECU signal, realize the switch of liquid path, to realize the braking process of normal, pressure maintaining, pressure reducing, boosting, electric pump is composed of plunger type oil pump and driving motor, and the main role is to keep the brake fluid in accumulator certain pressure.

[0003] The common hydraulic actuator in prior art is provided with planetary gear set, planet carrier and eccentric block, planet carrier and eccentric block are connected by bolt or clamping, internal gear is driven to rotate by motor shaft, to drive planetary gear to rotate, to drive planet carrier connected with planetary gear to rotate, planet carrier drives eccentric block to rotate, so that eccentric block is pushed to rotate during rotation, to realize pressure regulation and maintenance.

[0004] But in actual use process, planet carrier and eccentric block have certain weight, planet carrier and eccentric block connecting place will bear considerable force during planet carrier drives eccentric block to rotate, and bolt or clamping block for connecting planet carrier and eccentric block has considerable possibility of damage during long time use, to affect the durability of overall equipment. UTILITY MODEL CONTENTS

[0005] In order to improve equipment durability, the application provides a kind of double-channel anti -lock system hydraulic actuator.

[0006] The double-channel anti -lock system hydraulic actuator provided by the application adopts the following technical scheme:

[0007] A kind of double-channel anti -lock system hydraulic actuator, including body, planet carrier and eccentric block, rotating rod is rotationally arranged in the body, the rotating rod is used to be connected with motor shaft transmission, the planet carrier is rotationally arranged on the body, the body is provided with rotating assembly, the rotating assembly is used to drive planet carrier to rotate, the planet carrier is integrally formed with eccentric block.

[0008] By adopting the above technical scheme, the planet carrier and the eccentric block are integrally formed, so that damage of the connecting piece caused by long-time extrusion of torque during rotation is avoided, the durability is improved, the durability of the overall equipment is improved, and under the driving of the motor, the rotating rod rotates, drives the planet carrier to rotate through the rotating assembly, drives the eccentric block to rotate, and reciprocating movement of the piston rod is promoted to complete the execution work, which is stable and efficient.

[0009] As a preferred, the rotating assembly comprises a first rotating gear, a second rotating gear and a rotating internal gear, the first rotating gear and the second rotating gear are rotationally arranged in the body, the rotating internal gear is arranged on the body, the first rotating gear is connected with the rotating rod, the first rotating gear and the second rotating gear are meshed with each other, the second rotating gear is meshed with the rotating internal gear, and the second rotating gear is rotationally connected with the planet carrier.

[0010] By adopting the above technical scheme, the rotating rod rotates under the driving of the motor and drives the first rotating gear to rotate, and the second rotating gear is driven to rotate through gear meshing, and the second rotating gear drives the planet carrier to rotate as a whole through the meshing of the fixed rotating internal gear, so that the eccentric block is driven to rotate, and the operation is simple and convenient.

[0011] As a preferred, the body is provided with a mounting plate abutting against the first rotating gear and the second rotating gear, the rotating rod penetrates the mounting plate, the mounting plate is provided with a mounting tooth block, and the mounting gear is inserted into the tooth groove of the rotating internal gear.

[0012] By adopting the above technical scheme, the mounting tooth block limits the mounting plate from rotating, the mounting plate limits the first rotating gear and the second rotating gear from up and down shaking during rotation from above, and the stability of the planet carrier rotation is improved.

[0013] As a preferred, the body is provided with an assembly plate, the assembly plate is provided with an assembly tooth block, the assembly tooth block is inserted into the tooth groove of the rotating internal gear, the assembly plate is connected with the mounting plate, and the body is provided with an assembly assembly for assembling the assembly plate on the rotating internal gear.

[0014] By adopting the above technical scheme, the assembly plate is connected with the mounting plate and the assembly tooth block is inserted into the tooth groove of the rotating internal gear to improve the stability of the mounting plate installation, reduce the possibility of shaking and displacement of the mounting plate, and further improve the stability of the first rotating gear and the second rotating gear rotation, so as to improve the stability of the planet carrier rotation.

[0015] As a preferred, the assembly assembly comprises an assembly block and an assembly bolt, the assembly block is arranged on the assembly plate and abuts against the rotating internal gear, and the assembly bolt is used for mounting the assembly block on the rotating internal gear.

[0016] By adopting the technical scheme, the assembling block is hung on the rotating internal gear and connected with the rotating internal gear through the assembling bolt, the stability of the installation of the assembling plate is improved, and the assembling plate and the mounting plate are convenient to disassemble for maintenance, and the first rotating gear and the second rotating gear below the mounting plate are convenient to maintain and replace.

[0017] Preferably, the mounting plate is provided with a rotating groove, and the rotating shaft of the second rotating gear is inserted into the rotating groove and can move and rotate in the rotating groove.

[0018] By adopting the technical scheme, the rotating groove limits the rotating shaft of the second rotating gear, and the stability of the overall rotation of the planet carrier is improved when the second rotating gear rotates as a whole around the rotating rod with the planet carrier.

[0019] Preferably, the body is provided with a bottom block, the rotating internal gear is arranged on the bottom block, and the planet carrier is arranged to rotate on the bottom block.

[0020] By adopting the technical scheme, the bottom block is arranged, the stability of the fixed installation of the rotating internal gear is improved, the possibility that the rotating internal gear is displaced and rotated due to the meshing and pushing of the second rotating gear during rotation is reduced, and the stability of execution is improved.

[0021] Preferably, the body is provided with a limiting block, and the bottom block is provided with a limiting groove, and the limiting block is inserted into the limiting groove.

[0022] By adopting the technical scheme, the limiting block is inserted into the limiting groove to form a plug-in structure, and the stability of the connection and assembly between the bottom block and the body is improved.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. By arranging the body, the planet carrier, the eccentric block, the rotating rod and the rotating assembly, the external motor is started to drive the rotating rod to rotate, and the planet carrier and the eccentric block are driven to rotate through the rotating assembly, so as to push the external piston rod to move for pressure regulation and execution, and the planet carrier and the eccentric block are integrally formed to improve the stability of the connection and fixation between the planet carrier and the eccentric block, thereby reducing the possibility of damage to the planet carrier and the eccentric block due to long-time torque extrusion during rotation, and improving the durability of the overall equipment.

[0025] 2. By arranging the first rotating gear, the second rotating gear and the rotating internal gear, the rotating rod drives the first rotating gear to rotate, thereby driving the second rotating gear to rotate through meshing, and the second rotating gear and the planet carrier are driven to rotate as a whole through the meshing fixed on the rotating internal gear, so that the operation is simple and convenient, and the use is convenient.

[0026] 3. By setting the bottom block, the limiting block and the limiting groove, the limiting block on the machine body is inserted into the limiting groove of the bottom block, and the bottom block is fixedly connected with the rotating internal gear, thereby improving the stability of the connection between the rotating internal gear and the machine body, reducing the possibility of deformation and displacement of the rotating internal gear due to pushing during long-term use, and improving the durability of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0027] Fig. 1 is a whole schematic diagram of a dual-channel anti-lock system hydraulic actuator provided by the embodiment of the present application.

[0028] Fig. 2 is a sectional view for embodying the internal structure of the machine body.

[0029] Fig. 3 is a sectional view for embodying the structure of the rotating assembly.

[0030] BRIEF DESCRIPTION OF DRAWINGS: 1, machine body; 11, limiting block; 12, bottom block; 121, limiting groove; 2, planet carrier; 21, auxiliary groove; 22, eccentric block; 3, rotating rod; 4, rotating assembly; 41, first rotating gear; 42, second rotating gear; 43, rotating internal gear; 5, mounting plate; 51, mounting tooth block; 52, rotating groove; 6, assembly plate; 61, assembly tooth block; 7, assembly assembly; 71, assembly block; 72, assembly bolt. DETAILED DESCRIPTION

[0031] The following will be described in detail in combination with the accompanying drawings Figs. 1-3 The present application will be further described in detail.

[0032] The embodiment of the present application discloses a dual-channel anti-lock system hydraulic actuator. Referring to Figs. 1 to 3It comprises a body 1, a planet carrier 2 and an eccentric block 22, the bottom block 12 is welded and fixed at the bottom of the body 1, the planet carrier 2 and the eccentric block 22 are integrally fixed and formed, the planet carrier 2 is rotatably arranged on the bottom block 12 and penetrates through the bottom block 12, the eccentric block 22 is arranged outside the body 1 and below the bottom block 12, a plurality of limiting blocks 11 are integrally arranged on the bottom wall of the body 1, a plurality of limiting grooves 121 are arranged on the side wall of the bottom block 12, and the limiting blocks 11 are inserted into the limiting grooves 121. A rotating rod 3 is rotatably arranged in the body 1, the rotating rod 3 can be connected with the motor rotating shaft placed outside the body 1 to rotate, an auxiliary groove 21 is arranged on the top wall of the planet carrier 2, the rotating rod 3 is inserted into the auxiliary groove 21 and can rotate in the auxiliary groove 21, the body 1 is provided with a rotating assembly 4, the rotating assembly 4 is used for driving the planet carrier 2 to rotate, the planet carrier 2 and the eccentric block 22 are inserted into the corresponding output mechanism, and the eccentric block 22 abuts against the piston rod of the output mechanism and can push the piston rod to slide to output (the output mechanism, the piston rod and the like are not shown in the drawings). Through the integrally formed planet carrier 2 and the eccentric block 22, the problem that the connecting piece of the planet carrier 2 and the eccentric block 22 is easily damaged during long-time use is solved, so that the durability of the whole equipment is improved.

[0033] In order to improve the convenience of use, with reference to Fig. 2 and Fig. 3 The rotating assembly 4 comprises a first rotating gear 41, a rotating internal gear 43 and three second rotating gears 42, the first rotating gear 41 and the second rotating gear 42 are rotatably arranged between the body 1 and the bottom block 12, the rotating rod 3 penetrates through the first rotating gear 41 and is connected with the first rotating gear 41 through clamping, the bottom wall of the first rotating gear 41 abuts against the top wall of the planet carrier 2, the second rotating gear 42 is rotatably arranged on the top wall of the planet carrier 2 through a rotating shaft, the second rotating gear 42 is arranged around the first rotating gear 41 and is in mesh with the first rotating gear 41. The rotating internal gear 43 is fixedly arranged on the inner wall of the bottom block 12, the first rotating gear 41 and the second rotating gear 42 are arranged in the rotating internal gear 43, and the second rotating gear 42 is in mesh with the rotating internal gear 43. After the external motor drives the rotating rod 3 to rotate, the first rotating gear 41 is driven to rotate through clamping, thereby driving the second rotating gear 42 to rotate, and through the meshing of the rotating internal gear 43, the whole planet carrier 2 and the eccentric block 22 are driven to rotate as a whole, so that the operation is simple and convenient, and the convenience of use is improved.

[0034] In order to improve the stability of rotation, with reference to Fig. 2 and Fig. 3The bottom block 12 is provided with a circular mounting plate 5 and an annular assembly plate 6 fixedly connected, the bottom wall of the mounting plate 5 abuts against the top wall of the first rotating gear 41 and the second rotating gear 42, the side wall of the mounting plate 5 is integrally provided with a plurality of mounting tooth blocks 51 which are adapted to be inserted into the tooth grooves of the rotating internal gear 43. The outer side wall of the assembly plate 6 is also integrally provided with a plurality of assembly tooth blocks 61 which are adapted to be inserted into the tooth grooves of the rotating internal gear 43. The bottom wall of the mounting plate 5 is provided with an annular rotating groove 52, the rotating shaft of the second rotating gear 42 is inserted into the rotating groove 52 and can move and rotate in the rotating groove 52. The bottom block 12 is provided with an assembly assembly 7 for assembling the assembly plate 6 on the rotating internal gear 43. The assembly assembly 7 comprises a plurality of assembly bolts 72 and an annular assembly block 71, the assembly block 71 is fixedly arranged on the assembly plate 6 and abuts against the top wall of the rotating internal gear 43, and the assembly bolts 72 are used to mount the assembly block 71 on the rotating internal gear 43. By mounting the assembly plate 6 and the mounting plate 5, the top wall of the first rotating gear 41 and the second rotating gear 42 is abutted, the stability of the first rotating gear 41 and the second rotating gear 42 during rotation is improved, the possibility of foreign matter entering the gears and blocking the gears is reduced, the stability of execution is improved, and the assembly assembly 7 is arranged to facilitate disassembly and maintenance of the gears.

[0035] The implementation principle of the hydraulic actuator of the dual-channel anti-lock braking system according to the embodiment of the application is as follows: after the external motor is started, the rotating rod 3 is driven to rotate, the first rotating gear 41 is driven to rotate by the rotating rod 3, the second rotating gear 42 is driven to rotate, the planetary carrier 2 and the eccentric block 22 are integrally driven to rotate by the rotating internal gear 43, the eccentric block 22 drives the external piston rod to rotate, so that the pressure regulating execution action is completed, and the planetary carrier 2 and the eccentric block 22 are integrally formed, so that the connecting piece between the planetary carrier 2 and the eccentric block 22 is prevented from being damaged under the action of long-time high pressure, and the durability of the overall equipment is improved.

[0036] The above are preferred embodiments of the application, which do not limit the protection scope of the application, therefore: any equivalent changes made on the basis of the structure, shape and principle of the application should be covered by the protection scope of the application.

Claims

1. A hydraulic actuator for a dual-channel anti-lock braking system, characterized in that: The application relates to a motor, which comprises a body (1), a planet carrier (2) and an eccentric block (22), the body (1) is provided with a rotating rod (3) arranged to rotate in the body (1) and used for being connected with a motor rotating shaft for transmission, the planet carrier (2) is arranged to rotate on the body (1), the body (1) is provided with a rotating assembly (4) used for driving the planet carrier (2) to rotate, the planet carrier (2) is integrally formed with the eccentric block (22), the rotating assembly (4) comprises a first rotating gear (41), a second rotating gear (42) and a rotating internal gear (43), the first rotating gear (41) and the second rotating gear (42) are both arranged to rotate in the body (1), the rotating internal gear (43) is arranged on the body (1), the first rotating gear (41) is connected with the rotating rod (3), the first rotating gear (41) and the second rotating gear (42) are in mesh with each other, the second rotating gear (42) is in mesh with the rotating internal gear (43), and the second rotating gear (42) is connected with the planet carrier (2) to rotate.

2. A hydraulic actuator for a dual-channel anti-lock braking system according to claim 1, characterized in that: The body (1) is provided with a mounting plate (5) abutting against the first rotating gear (41) and the second rotating gear (42), the rotating rod (3) penetrates through the mounting plate (5), the mounting plate (5) is provided with a mounting tooth block (51) inserted into a tooth groove of the rotating internal gear (43).

3. A hydraulic actuator for a dual channel anti-lock braking system according to claim 2, wherein: The body (1) is provided with an assembling plate (6) provided with an assembling tooth block (61) inserted into a tooth groove of the rotating internal gear (43), the assembling plate (6) is connected with the mounting plate (5), and the body (1) is provided with an assembling assembly (7) used for assembling the assembling plate (6) on the rotating internal gear (43).

4. The hydraulic actuator for dual channel anti-lock braking system according to claim 3, wherein: The assembling assembly (7) comprises an assembling block (71) arranged on the assembling plate (6) and abutting against the rotating internal gear (43) and an assembling bolt (72) used for mounting the assembling block (71) on the rotating internal gear (43).

5. The hydraulic actuator for dual channel anti-lock braking system according to claim 2, wherein: The mounting plate (5) is provided with a rotating groove (52), a rotating shaft of the second rotating gear (42) is inserted into the rotating groove (52) and can move to rotate in the rotating groove (52).

6. A dual-channel ABS hydraulic actuator according to claim 1, characterized in that: The body (1) is provided with a bottom block (12), the rotating internal gear (43) is arranged on the bottom block (12), and the planet carrier (2) is arranged to rotate on the bottom block (12).

7. A dual-channel ABS hydraulic actuator according to claim 6, characterized in that: The body (1) is provided with a limiting block (11), the bottom block (12) is provided with a limiting groove (121), and the limiting block (11) is inserted into the limiting groove (121).

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