CN110081104A - Brake piston, brake and hydraulic motor - Google Patents
Brake piston, brake and hydraulic motor Download PDFInfo
- Publication number
- CN110081104A CN110081104A CN201910470745.7A CN201910470745A CN110081104A CN 110081104 A CN110081104 A CN 110081104A CN 201910470745 A CN201910470745 A CN 201910470745A CN 110081104 A CN110081104 A CN 110081104A
- Authority
- CN
- China
- Prior art keywords
- face
- brake
- cock body
- brake piston
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
- F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/02—Fluid-pressure mechanisms
- F16D2125/06—Pistons
Abstract
The present invention provides a kind of brake piston, brake and hydraulic motor, is related to hydraulic system technical field, brake piston includes cock body；Along the axial direction of the cock body, the cock body has first end face, and the first end face is equipped with locating part.After cock body is assembled in the shell of brake, spring is arranged between first end face and housing end plug, during cock body is mobile towards end cap, cock body compressed spring is capable of the decrement of limited spring until locating part is contacted with end cap, it prevents amount of spring compression excessive, extends spring service life.Since locating part is arranged in first end face, the radial dimension of cock body is not will increase, and the axial stroke of cock body is certain, locating part is arranged in first end face not will increase the axial dimension of shell, so as to reduce the size of brake, it reduces hydraulic motor size to increase, improves hydraulic motor power ratio.
Description
Technical field
The present invention relates to hydraulic system technical fields, more particularly, to a kind of brake piston, a kind of brake, and it is a kind of
Hydraulic motor.
Background technique
Hydraulic motor is a kind of executive component of hydraulic system, and it is defeated that the liquid pressure energy that it provides hydraulic pump is changed into its
The mechanical energy (torque and revolving speed) of shaft.Liquid is the medium of transmission force and movement.
It quickly, is smoothly braked with liquid braking device for being realized to hydraulic motor mostly inside hydraulic motor.It is existing
Liquid braking device in technology, including shell and brake piston, brake piston are arranged in shell, and shell and brake piston it
Between be equipped with spring.
Annular sidewall for the decrement of limited spring, brake piston is equipped with locating part, and locating part is matched with inner walls
Close limited spring decrement.However locating part will increase brake piston radial dimension, and liquid braking device size is caused to increase, thus
Hydraulic motor size is caused to increase.
Summary of the invention
The purpose of the present invention is to provide a kind of brake cylinders, larger to solve liquid braking device size in the prior art
The technical issues of.
Brake piston provided by the invention, including cock body；
Along the axial direction of the cock body, the cock body has first end face, and the first end face is equipped with locating part.
Further, the locating part is multiple, and multiple locating parts are arranged at intervals in the first end face.
Further, multiple locating parts are arranged along the circumferential uniform intervals of the first end face.
Further, the locating part is column.
Further, the locating part is rectangular cylindrical.
Further, groove is additionally provided in the first end face, the groove is for installing spring.
Further, the groove is multiple, and multiple grooves are arranged along the circumferential uniform intervals of the first end face.
The object of the invention is also to provide a kind of brakes, including brake piston provided by the invention.
Further, the brake further includes shell, end cap, spring and friction plate；
The end cap fastens on the housing；
The brake piston is arranged in the shell, and the first end face is arranged towards the end cap, the braking
The inner wall of piston and the shell forms airtight cavity, and the shell is equipped with oil duct, and the oil duct and the airtight cavity connect
It is logical；
The friction plate is arranged in the shell, and is located at the one end of the brake piston far from the first end face；
One end of the spring is abutted with the end cap, and the spring other end is abutted with the first end face.
The object of the invention is also to provide a kind of hydraulic motors, including brake piston provided by the invention or the present invention to mention
The brake of confession.
Brake piston provided by the invention, including cock body；Along the axial direction of the cock body, the cock body has first end face,
The first end face is equipped with locating part.After cock body is assembled in the shell of brake, spring is arranged in first end face and shell
Between end cap, during cock body is mobile towards end cap, cock body compressed spring can limit until locating part is contacted with end cap
The decrement of spring processed prevents amount of spring compression excessive, extends spring service life.Since locating part is arranged in first end face
On, not will increase the radial dimension of cock body, and the axial stroke of cock body be it is certain, locating part is arranged in first end face will not
Increase the axial dimension of shell, so as to reduce the size of brake, reduces hydraulic motor size and increase, improve hydraulic motor
Power ratio.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the main view of brake piston provided in an embodiment of the present invention；
Fig. 2 is the side view of brake piston provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of brake provided in an embodiment of the present invention.
Icon: 1- cock body；11- first end face；12- locating part；13- groove；2- spring；3- end cap；4- shell；5- friction
Piece；6- oil duct；7- airtight cavity.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The present invention provides a kind of brake piston, brake and hydraulic motors, and multiple embodiments are given below to the present invention
Brake piston, brake and the hydraulic motor of offer are described in detail.
Brake piston provided in this embodiment, as shown in Figure 1 to Figure 3, including cock body 1；Along the axial direction of cock body 1, cock body 1 has
There is first end face 11, first end face 11 is equipped with locating part 12.
After cock body 1 is assembled in the shell 4 of brake, spring 2 is arranged between 4 end cap 3 of first end face 11 and shell,
During cock body 1 is moved towards end cap 3,1 compressed spring 2 of cock body can limit bullet until locating part 12 is contacted with end cap 3
The decrement of spring 2 prevents 2 decrement of spring excessive, extends 2 service life of spring.Since locating part 12 is arranged in first end face
On 11, the radial dimension of cock body 1 not will increase, and the axial stroke of cock body 1 is certain, setting limit in first end face 11
Part 12 not will increase the axial dimension of shell 4, so as to reduce the size of brake, reduces hydraulic motor size and increases, mention
High hydraulic motor power ratio.
Also, be only arranged in first end face 11 locating part 12 can 2 decrement of limited spring, without in shell 4
Setting structure cooperates with it on wall, this can simplify the structure of brake, and easy to repair and manufacture reduces maintenance cost and manufacture
Cost.
Wherein, locating part 12 can be one, or multiple.
Preferably, as shown in Figure 1 to Figure 2, locating part 12 be it is multiple, multiple locating parts 12 are arranged at intervals on first end face 11
On.Multiple locating parts 12 are arranged in first end face 11, when locating part 12 and end cap 3 contact, multiple locating parts 12 with end
Lid 3 contacts, and can be improved the uniform force degree of cock body 1, to improve 1 reliability of operation of cock body.
Preferably, multiple locating parts 12 are arranged along the circumferential uniform intervals of first end face 11.It is connect in locating part 12 and end cap 3
When touching, multiple locating parts 12 are contacted with end cap 3, and multiple locating parts 12 are set along the circumferential uniform intervals of first end face 11
It sets, the uniform force degree of cock body 1 can be further increased, to improve 1 reliability of operation of cock body.
Wherein, locating part 12 can be column, or any suitable form such as bulk.
In the present embodiment, locating part 12 is column, and wherein locating part 12 can be rectangular cylindrical, can be cylindric,
It can be any suitable forms such as elliptic cylindrical shape.
Further, groove 13 is additionally provided in first end face 11, groove 13 is for installing spring 2.
It, can be convenient for the installation spring 2 between first end face 11 and end cap 3 by the way that groove 13 is arranged.
Wherein, groove 13 can be any suitable shapes such as rectangle or circle, it is preferable that groove 13 is circle, round
Groove 13 can preferably cooperate with spring 2, prevent spring 2 from deviating from groove 13.
Further, groove 13 is multiple, and multiple grooves 13 are arranged along the circumferential uniform intervals of first end face 11.
Multiple grooves 13 are set, and multiple grooves 13 are arranged along the circumferential uniform intervals of first end face 11, convenient for along first
Multiple springs 2 are arranged in the circumferential uniform intervals of end face 11, keep brake piston stress more uniform.
Brake provided in this embodiment, as shown in figure 3, including brake piston provided in this embodiment.
Wherein, after cock body 1 is assembled in the shell 4 of brake, the setting of spring 2 first end face 11 and 4 end cap 3 of shell it
Between, during cock body 1 is mobile towards end cap 3,1 compressed spring 2 of cock body can limit until locating part 12 is contacted with end cap 3
The decrement of spring 2 processed prevents 2 decrement of spring excessive, extends 2 service life of spring.Since locating part 12 is arranged first
On end face 11, not will increase the radial dimension of cock body 1, and the axial stroke of cock body 1 be it is certain, be arranged in first end face 11
Locating part 12 not will increase the axial dimension of shell 4, so as to reduce the size of brake, reduces hydraulic motor size and increases
Greatly, hydraulic motor power ratio is improved.Also, only in first end face 11 be arranged locating part 12 can 2 decrement of limited spring,
Without on 4 inner wall of shell setting structure cooperate with it, this can simplify the structure of brake, and easy to repair and manufacture reduces
Maintenance cost and manufacturing cost.
Specifically, brake further includes shell 4, end cap 3, spring 2 and friction plate 5；End cap 3 is fastened on shell 4；Braking
Piston is arranged in shell 4, and first end face 11 is arranged towards end cap 3, and the inner wall of brake piston and shell 4 forms airtight cavity
7, shell 4 is equipped with oil duct 6, and oil duct 6 is connected to airtight cavity 7；Friction plate 5 is arranged in shell 4, and it is remote to be located at brake piston
One end from first end face 11；One end of spring 2 is abutted with end cap 3, and 2 other end of spring is abutted with first end face 11.
After hydraulic oil enters airtight cavity 7 by oil duct 6, it is mobile towards end cap 3 that hydraulic oil pushes brake piston, and presses
Contracting spring 2, until locating part 12 is contacted with end cap 3, brake piston is not re-directed towards the movement of end cap 3, can prevent 2 decrement of spring
It is excessive, extend 2 service life of spring.
When the hydraulic oil in airtight cavity 7 flows out shell 4 by oil duct 6, brake piston is under the action of spring 2 far from end
Lid 3 is mobile, until brake piston is contacted with friction plate 5, to play the role of braking.
Hydraulic motor provided in this embodiment, including brake piston provided in this embodiment or braking provided in this embodiment
Device.
After cock body 1 is assembled in the shell 4 of brake, spring 2 is arranged between 4 end cap 3 of first end face 11 and shell,
During cock body 1 is moved towards end cap 3,1 compressed spring 2 of cock body can limit bullet until locating part 12 is contacted with end cap 3
The decrement of spring 2 prevents 2 decrement of spring excessive, extends 2 service life of spring.Since locating part 12 is arranged in first end face
On 11, the radial dimension of cock body 1 not will increase, and the axial stroke of cock body 1 is certain, setting limit in first end face 11
Part 12 not will increase the axial dimension of shell 4, so as to reduce the size of brake, reduces hydraulic motor size and increases, mention
High hydraulic motor power ratio.Also, only in first end face 11 be arranged locating part 12 can 2 decrement of limited spring, be not necessarily to
Setting structure cooperates with it on 4 inner wall of shell, this can simplify the structure of brake, and easy to repair and manufacture reduces maintenance
Cost and manufacturing cost.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of brake piston, which is characterized in that including cock body (1)；
Axial direction along the cock body (1), the cock body (1) have first end face (11), and the first end face (11) is equipped with limit
Position part (12).
2. brake piston according to claim 1, which is characterized in that the locating part (12) is multiple, multiple limits
Position part (12) is arranged at intervals on the first end face (11).
3. brake piston according to claim 2, which is characterized in that multiple locating parts (12) are along the first end face
(11) circumferential uniform intervals setting.
4. brake piston according to claim 1, which is characterized in that the locating part (12) is column.
5. brake piston according to claim 4, which is characterized in that the locating part (12) is rectangular cylindrical.
6. brake piston according to any one of claims 1-5, which is characterized in that also set on the first end face (11)
Fluted (13), the groove (13) is for installing spring (2).
7. brake piston according to claim 6, which is characterized in that the groove (13) is multiple, multiple grooves
(13) it is arranged along the circumferential uniform intervals of the first end face (11).
8. a kind of brake, which is characterized in that including brake piston of any of claims 1-7.
9. brake according to claim 8, which is characterized in that the brake further includes shell (4), end cap (3), bullet
Spring (2) and friction plate (5)；
The end cap (3) is fastened on the shell (4)；
The brake piston setting is in the shell (4), and the first end face (11) is arranged towards the end cap (3), institute
The inner wall for stating brake piston and the shell (4) forms airtight cavity (7), and the shell (4) is equipped with oil duct (6), the oil
Road (6) is connected to the airtight cavity (7)；
Friction plate (5) setting is located at the brake piston far from the first end face (11) in the shell (4)
One end；One end of the spring (2) is abutted with the end cap (3), and spring (2) other end is supported with the first end face (11)
It connects.
10. a kind of hydraulic motor, which is characterized in that wanted including brake piston of any of claims 1-7 or right
Brake described in asking 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910470745.7A CN110081104A (en) | 2019-05-31 | 2019-05-31 | Brake piston, brake and hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910470745.7A CN110081104A (en) | 2019-05-31 | 2019-05-31 | Brake piston, brake and hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110081104A true CN110081104A (en) | 2019-08-02 |
Family
ID=67422950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910470745.7A Pending CN110081104A (en) | 2019-05-31 | 2019-05-31 | Brake piston, brake and hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110081104A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201526626U (en) * | 2009-11-05 | 2010-07-14 | 昆山金发液压机械有限公司 | Friction hydraulic brake |
| CN203269451U (en) * | 2013-04-09 | 2013-11-06 | 上海宇意机械有限公司 | Hydraulic multi-plate parking brake |
| CN203441593U (en) * | 2013-08-14 | 2014-02-19 | 锋宏海力汽车技术(昆山)有限公司 | Vent valve occlusion device equipped with function of testing elasticity of spring |
| CN104040080A (en) * | 2012-12-07 | 2014-09-10 | 株式会社小松制作所 | Revolving apparatus for work vehicle |
| CN204061654U (en) * | 2014-08-07 | 2014-12-31 | 龙工（上海）精工液压有限公司 | A kind of motor brake piston |
| CN106286648A (en) * | 2016-11-09 | 2017-01-04 | 广西柳工机械股份有限公司 | Brake for hydrostatic transmissions |
| CN205872022U (en) * | 2016-08-18 | 2017-01-11 | 陕西同力重工股份有限公司 | Underground tipper wet braking transaxle |
| CN107420461A (en) * | 2017-06-28 | 2017-12-01 | 意宁液压股份有限公司 | A kind of wet brake and assembly method |
| CN207064520U (en) * | 2017-07-01 | 2018-03-02 | 江西机电职业技术学院 | Wet brake |
| CN210087876U (en) * | 2019-05-31 | 2020-02-18 | 杭州力龙液压有限公司 | Brake piston, brake and hydraulic motor |
-
2019
- 2019-05-31 CN CN201910470745.7A patent/CN110081104A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201526626U (en) * | 2009-11-05 | 2010-07-14 | 昆山金发液压机械有限公司 | Friction hydraulic brake |
| CN104040080A (en) * | 2012-12-07 | 2014-09-10 | 株式会社小松制作所 | Revolving apparatus for work vehicle |
| CN203269451U (en) * | 2013-04-09 | 2013-11-06 | 上海宇意机械有限公司 | Hydraulic multi-plate parking brake |
| CN203441593U (en) * | 2013-08-14 | 2014-02-19 | 锋宏海力汽车技术(昆山)有限公司 | Vent valve occlusion device equipped with function of testing elasticity of spring |
| CN204061654U (en) * | 2014-08-07 | 2014-12-31 | 龙工（上海）精工液压有限公司 | A kind of motor brake piston |
| CN205872022U (en) * | 2016-08-18 | 2017-01-11 | 陕西同力重工股份有限公司 | Underground tipper wet braking transaxle |
| CN106286648A (en) * | 2016-11-09 | 2017-01-04 | 广西柳工机械股份有限公司 | Brake for hydrostatic transmissions |
| CN107420461A (en) * | 2017-06-28 | 2017-12-01 | 意宁液压股份有限公司 | A kind of wet brake and assembly method |
| CN207064520U (en) * | 2017-07-01 | 2018-03-02 | 江西机电职业技术学院 | Wet brake |
| CN210087876U (en) * | 2019-05-31 | 2020-02-18 | 杭州力龙液压有限公司 | Brake piston, brake and hydraulic motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190802 |