CN210660561U - Hydraulic brake motor device - Google Patents
Hydraulic brake motor device Download PDFInfo
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- CN210660561U CN210660561U CN201920745867.8U CN201920745867U CN210660561U CN 210660561 U CN210660561 U CN 210660561U CN 201920745867 U CN201920745867 U CN 201920745867U CN 210660561 U CN210660561 U CN 210660561U
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- way valve
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Abstract
The utility model relates to a hydraulic brake motor device belongs to hydraulic transmission technical field. The integrated shuttle valve comprises a motor positioning installation driving part, a motor main body meshing auxiliary part and a motor braking device part, wherein the motor internal integrated shuttle valve is formed by combining two independent one-way valve functional parts which are radially arranged, and the two independent one-way valve functional parts are communicated through a brake release oil cavity to form the shuttle valve. The utility model discloses back hydraulic braking device structure is very compact, and radial cross-sectional dimension is little, and overall structure is simple, manufacturing process nature is good, assembly and maintenance process nature are good.
Description
Technical Field
The utility model relates to a hydraulic energy especially has a hydraulic brake motor device to cycloid hydraulic motor of mechanical energy conversion, belongs to hydraulic transmission technical field.
Background
The hydraulic braking device has a wide application range, generally adopts a normally closed braking mode, generally speaking, the hydraulic braking device matched with the cycloid hydraulic motor for driving is large in radial size, the braking device mainly comprises a friction pair consisting of a steel sheet and a friction plate, a braking oil port control piston and an elastic supporting body, the radial size of the structure is large, the structure is complex, and the braking oil port is provided by an external oil way. The brake device with a non-friction pair is also disclosed as a Chinese patent application No. 201020295871.8 named as 'built-in integrated valve type brake cycloid hydraulic motor', but a shuttle valve of a brake oil port of the brake device is arranged on a body shell, the shuttle valve is axially arranged and communicated with an oil port A, B through a pore channel and a plug, so that the body shell is large in structural size and quite complex, the body shell of a common standard mounting flange is not a special body shell, the corresponding volume is increased for the shuttle valve, and the application of the brake device with the existing standard cycloid hydraulic motor connection mode is not facilitated.
Similarly, the chinese patent application No. 201620994964.7 entitled "a hydraulic motor with a brake" also discloses a brake device with a non-friction pair, a shuttle valve of a brake oil port is arranged on a brake body shell, the shuttle valve is axially arranged, a brake control oil path is used as a channel through 2 rear cover connecting bolt connecting holes, a small-size inclined hole with a small angle is adopted to increase the connecting hole to communicate with the motor shuttle valve so as to communicate with an oil port A, B on the shell, and meanwhile, the small-size inclined hole is adopted to communicate with an oil path in front of and behind the axial shuttle valve in a piston seat, the structure has large processing difficulty of a deep small hole, especially the axial small-angle hole, high precision requirement, processing errors can cause unreliability of the brake control oil path, and is not beneficial to application of brake devices with the existing standard cycloid hydraulic motor.
In order to adapt to the development and change of the application field and provide a reliable brake motor device product, the brake device needs to directly and conveniently replace the existing standard cycloid hydraulic motor connection mode, and the motor in the prior art has complicated structure, complicated manufacturing process or complicated brake flow channel, has high processing difficulty, causes the product reliability to be reduced, or the external shuttle valve has high structure cost and is difficult to meet the market demand.
Disclosure of Invention
The utility model discloses the people is dedicated to the research and development work of cycloid hydraulic motor and relevant device for a long time, the utility model discloses the purpose is in order to overcome the not enough of prior art existence, provides a simple structure, the simple brake motor device of an integrated shuttle valve of manufacturing process.
In order to achieve the above object, the applicant proposes the technical solution of the present invention through structural analysis of the prior art hydraulic brake device: the improvement of a hydraulic brake motor device which comprises a motor positioning installation driving part, a motor main body meshing auxiliary part and a motor brake device part is that: the shuttle valve is integrated in the motor and formed by combining two independent one-way valve functional parts, the one-way valve functional parts are radially arranged and are communicated through a brake oil cavity of a motor brake part to form the function of the shuttle valve.
The one-way valve functional components are arranged on a brake shell of a brake part of the motor brake device in a radial and radial mode, a piston and a spring are arranged in the brake shell, a brake release oil cavity is formed between an inner cavity of the brake shell and the piston, and the two independent one-way valve functional components are communicated through the brake release oil cavity to form the shuttle valve.
The one-way valve functional part is communicated with the brake release oil cavity through a pore passage respectively.
The check valve functional component comprises a steel ball, a valve seat, an O-shaped ring and a plug, wherein a step shaft and a groove are arranged at one end of the valve seat, and a limiting device is arranged at one end of the steel ball of the valve seat.
The one-way valve functional part is respectively communicated with an oil port A and an oil port B of the motor through an internal hole channel of the motor.
The motor braking device is characterized in that small hole channels are arranged on a body shell and a partition plate of the motor positioning installation driving part, small hole channels are arranged on a stator of the motor main body meshing auxiliary part, small hole channels are arranged on a braking shell of the motor braking device part, and the small hole channels are communicated with an oil port A and an oil port B on the body shell respectively.
And a section of spline is extended out of two sections of splines of a part of linkage shafts of the motor braking device and is meshed with an internal spline of the friction pair, and the circumferential direction of the friction pair is limited by adopting a connecting bolt locally.
Therefore, the hydraulic brake motor device has the shuttle valve function of controlling the brake function, the shuttle valves and brake oil pipes of common motors with external brakes are reduced, meanwhile, connecting bolts are ingeniously adopted to carry out circumferential limit on friction pairs and the outer splines of the linkage shafts are meshed with the inner splines of the friction pairs, the brake structure is reliable and compact, and particularly, the radial one-way valve functional parts enable the brake oil straight hole channel of the motor to be simple and reliable in processing technology. Compared with the prior art, the utility model has the advantages of simple structure, the compactness, consequently can show to reduce manufacturing, assembly cost, under the condition that keeps original connected mode and cross sectional dimension unchangeable basically, improved the adaptability of cycloid hydraulic motor under specific application operating mode.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
In the figure, an output shaft 1, a key 2, a dust ring 3, a shaft seal 4, a screw 5, a front cover 6, a one-way valve seat 7, an O-shaped ring 8, a steel ball 9, a body shell 10, a separation disc 11, an O-shaped ring 12, an O-shaped ring 13, a plane bearing 14, a check ring 15, a rotating stator pair 16, a linkage shaft 17, a brake seat 18, a rear steel sheet 19, a brake shell 20, a valve seat 21, a plug 22, a steel ball 23, an O-shaped ring 24, a piston 25, a plug 26, a sealing gasket 27, a rear cover 28, a connecting bolt 29, a gasket 30, a large spring 31, a small spring 32, an O-shaped ring 33, a check ring 34, a top pin 35, an O-shaped ring 36.
Fig. 2 is a top view of fig. 1 according to an embodiment of the present invention.
Fig. 3 is a right side view of fig. 1 according to an embodiment of the present invention.
Detailed Description
Example one
The structural schematic diagram of a hydraulic brake motor device of the embodiment is shown in fig. 1, and the motor device is composed of a motor positioning installation driving part, a motor main body meshing pair part and a motor brake device part, wherein the motor positioning installation driving part comprises parts from an output shaft 1 to a retainer ring 15, the motor main body meshing pair part comprises a rotating stator pair 16 and a linkage shaft 17, and the motor brake device part comprises parts from a brake seat 18 to a steel sheet 39.
The motor device is internally provided with a structure with the function of releasing the shuttle valve of the brake device, the structure is formed by combining two independent one-way valve functional parts which are respectively communicated with a brake oil cavity, and simultaneously the two independent one-way valve functional parts are respectively communicated with an oil port A and an oil port B of the motor. A brake shell 20 of the motor brake device part is provided with two coaxial step circular hole surfaces which are respectively matched with the large circular surface and the small circular surface of a piston 25 and are sealed by an O-shaped ring 33, a check ring 34, an O-shaped ring 36 and a check ring 37 to form a brake oil cavity, an annular groove capable of accommodating a large spring 31 and a small spring 32 is arranged between the brake shell 20 and the piston 25, the small spring 32 is nested in the large spring 31 and abuts against the piston 25 and a rear cover 28 front and back, a rear steel sheet 19 is partially nested in a circular hole at the front end of the brake shell 20, one end surface of the rear steel sheet 19 abuts against the end surface of the small end of the piston 25, and when the pressure of the brake oil cavity is insufficient to offset the large spring force and the small spring force, the. The two independent check valve functional components are arranged on the brake shell 20 between the piston 25 and the rear steel sheet 19, are respectively arranged radially and comprise a valve seat 21, a steel ball 23, an O-shaped ring 24 and a plug 22, the steel ball 23 is arranged in the valve seat 21, and one end of the steel ball of the valve seat 21 is provided with a limiting device, so that high-pressure oil between the steel ball and the valve seat has a one-way flow characteristic. One end of the one-way valve functional part is communicated with the brake oil cavity through an axial hole, a valve seat at the other end leads high-pressure oil of a motor oil port to the brake oil cavity through a step shaft and a groove, the motor oil port A and the oil port are respectively communicated with the two independent one-way valve functional parts through pore channels, and the two independent one-way valve functional parts are further connected to form a closed cavity through an annular brake oil cavity and have the shuttle valve function of opening an oil way of a brake device. Two independent check valve functional part very ingenious high-pressure fluid reverse action function that has utilized cycloid hydraulic motor check valve, when having high-pressure fluid in the hydraulic fluid port A, B, check valve fluid passes through, and radial setting simultaneously to and utilize the braking fluid cavity to realize as the two function intercommunication tie, these have overcome traditional use thinking.
The two independent check valve functional parts are connected with an oil passage of the body shell 10 through a brake shell 20, a brake seat 18, a rotating stator pair 16, a partition disc 11, wherein the oil passage is an axially arranged hole, the holes on the parts are communicated, for example, a passage C of the body shell 10 is communicated with an oil port A, a passage D of the body shell 10 is communicated with an oil port B, and the rotating stator pair 16 consists of a rotor stator and needle teeth.
The motor braking device is composed of a linkage shaft 17, a braking seat 18, a friction plate 38, a steel sheet 39 and a rear steel sheet 19, wherein the friction plate 38 and the steel sheet 39 form a friction pair, the friction pair is arranged in the inner cavity of the braking seat 18, a section of spline is extended out of two sections of splines which are meshed with the linkage shaft 17 and rotor internal splines of the output shaft 1 and the rotor internal splines of the rotor and stator pair 16 and is meshed with the friction pair internal splines, the circumferential direction of the friction pair is limited by adopting a connecting bolt 29 locally, and the structure is skillfully applied and the installation space of the friction pair is increased.
As shown in fig. 2, the two independent check valve functional components are disposed between two adjacent connecting bolts 29, and correspond to the oil ports a and B, respectively, the oil outlet is disposed at the spring on the circumference of the brake housing 20, the oil outlet is externally connected to the oil return box at the plug 26, and the oil outlet may be disposed on the rear cover 28 in a manner of deviating from the center.
The right side view of fig. 1 shows that the connecting bolts 29 are distributed evenly around the circumference of the rear cover 28, as shown in fig. 3.
The above-mentioned embodiments only represent one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. The utility model provides a hydraulic brake motor device, includes motor location installation drive section, motor main part meshing pair subtotal motor arresting gear part three major part, its characterized in that: the interior of the motor is integrated with a shuttle valve, and the shuttle valve is formed by combining two independent one-way valve functional components.
2. A hydraulic brake motor apparatus as defined in claim 1, wherein: the one-way valve functional components are radially arranged and are communicated through a brake oil cavity of the motor brake part to form a shuttle valve function.
3. A hydraulic brake motor apparatus as defined in claim 1, wherein: the one-way valve functional components are arranged on a brake shell of a brake part of the motor brake device in a radial and radial mode, a piston and a spring are arranged in the brake shell, a brake release oil cavity is formed between an inner cavity of the brake shell and the piston, and the two independent one-way valve functional components are communicated through the brake release oil cavity to form the shuttle valve.
4. A hydraulic brake motor apparatus according to any one of claims 1 to 3, wherein: the one-way valve functional part is communicated with the brake release oil cavity through a pore passage respectively.
5. A hydraulic brake motor apparatus as defined in claim 1, wherein: the check valve functional component comprises a steel ball, a valve seat, an O-shaped ring and a plug, wherein a step shaft and a groove are arranged at one end of the valve seat, and a limiting device is arranged at one end of the steel ball of the valve seat.
6. A hydraulic brake motor apparatus as defined in claim 1, wherein: the one-way valve functional part is respectively communicated with an oil port A and an oil port B of the motor through an internal hole channel of the motor.
7. A hydraulic brake motor apparatus according to any one of claims 1 to 3, wherein: the motor braking device is characterized in that small hole channels are arranged on a body shell and a partition plate of the motor positioning installation driving part, small hole channels are arranged on a stator of the motor main body meshing auxiliary part, small hole channels are arranged on a braking shell of the motor braking device part, and the small hole channels are communicated with an oil port A and an oil port B on the body shell respectively.
8. A hydraulic brake motor apparatus according to any one of claims 1 to 3, wherein: and a section of spline is extended out of two sections of splines of a part of linkage shafts of the motor braking device and is meshed with an internal spline of the friction pair, and the circumferential direction of the friction pair is limited by adopting a connecting bolt locally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920745867.8U CN210660561U (en) | 2019-05-23 | 2019-05-23 | Hydraulic brake motor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920745867.8U CN210660561U (en) | 2019-05-23 | 2019-05-23 | Hydraulic brake motor device |
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| Publication Number | Publication Date |
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| CN210660561U true CN210660561U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920745867.8U Active CN210660561U (en) | 2019-05-23 | 2019-05-23 | Hydraulic brake motor device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111980913A (en) * | 2019-05-23 | 2020-11-24 | 镇江大力液压马达股份有限公司 | Hydraulic brake motor device |
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2019
- 2019-05-23 CN CN201920745867.8U patent/CN210660561U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111980913A (en) * | 2019-05-23 | 2020-11-24 | 镇江大力液压马达股份有限公司 | Hydraulic brake motor device |
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