CN108506273B - Reversing hydraulic motor - Google Patents
Reversing hydraulic motor Download PDFInfo
- Publication number
- CN108506273B CN108506273B CN201810608775.5A CN201810608775A CN108506273B CN 108506273 B CN108506273 B CN 108506273B CN 201810608775 A CN201810608775 A CN 201810608775A CN 108506273 B CN108506273 B CN 108506273B
- Authority
- CN
- China
- Prior art keywords
- end cover
- piston
- output shaft
- hydraulic motor
- connecting rod
- 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.)
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Links
- 230000008859 change Effects 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 6
- 239000010720 hydraulic oil Substances 0.000 description 4
- 238000004804 winding Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B2015/1495—Characterised by the construction of the motor unit of the straight-cylinder type with screw mechanism attached to the piston
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
- Hydraulic Motors (AREA)
Abstract
The invention discloses a reversing hydraulic motor, which comprises a shell, wherein one end of the shell is matched with a first end cover, the other end of the shell is matched with a second end cover, a connecting rod is arranged between the first end cover and the second end cover, the first end cover is rotationally connected with an output shaft through a middle through hole, one end of the output shaft far away from the first end cover is rotationally connected with the second end cover, the output shaft penetrates through the middle through hole of a piston, the piston realizes the change of the initial distance between the piston and the second end cover through an adjusting rod, the piston is in sliding connection with the connecting rod, a spiral groove is arranged at the part of the output shaft between the first end cover and the second end cover, the spiral groove is matched with one end of a roller, the other end of the roller is detachably connected with the piston, the piston pushes the roller to move along the spiral groove so as to drive the output shaft to rotate, the first end cover and the second end cover are provided with oil holes, and the connecting rod, the output shaft and the piston are surrounded by the shell.
Description
Technical Field
The invention relates to the field of hydraulic transmission, in particular to a reversing hydraulic motor.
Background
Because of the requirements of special use occasions in mechanical transmission, some structures need a driving mechanism with frequent reversing, and the reversing driving mechanism commonly used in the market at present is a motor, and the reversing of the motor is mainly divided into three types: the three-phase motor can change the direction of the rotating magnetic field by changing the positions of any two input lines of the three-phase power supply, so that the motor can rotate reversely; the single-phase motor changes the connection direction of the main coil and the auxiliary coil, and the end of the auxiliary winding connected with the main winding is changed into the other end to realize the reverse rotation; the series excited AC/DC motor can realize the inversion by changing the electric brush outgoing line connected with one end of the stator winding into the other end. The control device for realizing the reversing has a manual reversing switch, relay linkage, semiconductor automatic control, digital circuit automatic control and the like, but the motor structure is complex, and the complex reversing control device increases the cost of the whole device, so that the application range of the device is limited, especially in the application occasions needing low-speed rotation reversing, the requirement on the inertia of the motor is high, and the cost of the large-inertia motor is correspondingly increased.
Disclosure of Invention
Aiming at the problems in the background art, the invention discloses a reversing hydraulic motor which has the characteristics of simple and compact structure, forward and reverse rotation, large transmission torque and the like in order to overcome the defects in the prior art.
The utility model provides a reversing hydraulic motor, includes the casing, the one end and the first end cover cooperation of casing, the other end and the second end cover cooperation of casing, set up the connecting rod between first end cover and the second end cover, first end cover is connected with the output shaft rotation through middle through-hole, the one end that the first end cover was kept away from to the output shaft is connected with the second end cover rotation, the output shaft runs through the through-hole in the middle of the piston, the piston realizes the change of initial distance between second end cover through the adjusting lever, adjusts the rotation angle of output shaft through the stroke that changes the piston, piston and connecting rod sliding connection, the part that the output shaft is located between first end cover and the second end cover sets up the helicla flute, the helicla flute cooperates with one of roller, the other end and the piston detachable connection of roller, the piston promotes the roller to follow the helicla flute motion, realizes driving output shaft rotation, first end cover and second end cover all set up the oilhole, connecting rod, output shaft, piston all are surrounded by the casing;
preferably, a groove is formed in the part, protruding out of the first end cover, of the output shaft;
preferably, the piston is of a step structure;
preferably, the adjusting rod is in threaded connection with the second end cover and is reinforced by a locking nut;
preferably, rolling bearings are respectively arranged between the output shaft and the first end cover and between the output shaft and the second end cover;
preferably, sealing mechanisms are respectively arranged between the output shaft and the first end cover and between the output shaft and the second end cover;
preferably, the side surface of the piston is provided with a through hole matched with the roller;
preferably, the number of the through holes is two, and the through holes are sequentially arranged along the axis of the piston;
preferably, the connecting rod is a multi-stage step rod;
preferably, the connecting rod is fixed with the second end cover through a nut.
The beneficial effects obtained by the invention are as follows:
(1) The device can be used for occasions of low-speed rotation driving, and has the advantages of simple and compact structure, forward and reverse rotation, high torque and the like compared with a standard motor with rotating blades.
(2) The sealing mechanism can prevent oil leakage and increase the sealing effect of the device.
(3) The two through holes on the piston, which are matched with the rollers, can conveniently adjust the initial position of the piston relative to the second end cover.
(4) The adjusting rod is in threaded fit with the second end cover and is used for adjusting the initial positions of the piston and the second end cover, the rotation angle of the output shaft is adjusted by changing the stroke of the piston, and the fastening nut is used for reinforcing and improving the connection firmness.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a partial structural schematic of the present invention.
Fig. 3 is a partial structural schematic view of another angle of the present invention.
In the figure, a first end cover, a 2-shell, a 3-second end cover, a 4-first oil hole, a 5-connecting rod, a 6-roller, a 7-roller hole, an 8-piston, a 9-second oil hole, a 10-nut, an 11-spiral groove, a 12-output shaft, a 13-groove and a 14-lock nut are arranged.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The reversing hydraulic motor shown in figures 1-3 comprises a shell 2, wherein one end of the shell 2 is matched with a first end cover 1, the other end of the shell 2 is matched with a second end cover 3, a connecting rod 5 is arranged between the first end cover 1 and the second end cover 3, a piston 8 is sleeved on the connecting rod 5 in a sliding way, the piston 8 is of a step structure, the first end cover 1 is rotationally connected with an output shaft 12 through a middle through hole through a rolling bearing, a sealing mechanism is arranged at a connecting position, a groove is arranged at a part of the output shaft 12 protruding out of the first end cover 1, one end of the output shaft 12 far away from the first end cover 1 is rotationally connected with the second end cover 3 through the rolling bearing, a sealing mechanism is arranged at the connecting position, the output shaft 12 penetrates through the middle through hole of the piston 8, the adjusting rod is in threaded connection with the second end cover 3, the adjusting rod is reinforced through the lock nut 14, the piston 8 is in initial distance change with the second end cover 3 through the adjusting rod, the rotation angle of the output shaft 12 is adjusted through changing the stroke of the piston 8, a spiral groove 11 is formed in the portion, located between the first end cover 1 and the second end cover 3, of the output shaft 12, one end of each spiral groove 11 roller 6 is matched, the other end of each roller 6 penetrates through a through hole in the side face of the piston 8, the piston 8 pushes the roller 6 to move along the spiral groove 11, the output shaft 12 is driven to rotate, the first oil hole 4 is formed in the first end cover 1, the second oil hole 9 is formed in the second end cover 3, and the connecting rod 5, the output shaft 12 and the piston 8 are all surrounded by the shell 2.
When hydraulic oil is filled from the first oil hole 4, the piston 8 is pushed to move towards the direction close to the second end cover 3 under the guiding action of the connecting rod 5 due to the pressure of the hydraulic oil, and at the moment, the roller 6 runs along the spiral groove 11 to drive the output shaft to rotate a certain angle towards the first direction; when hydraulic oil is filled from the second oil hole 9, the piston 8 is pushed to move in a direction approaching the first end cover 1 under the guiding action of the connecting rod 5 due to the pressure of the hydraulic oil, and at this time, the roller 6 runs along the spiral groove 11, so that the output shaft is driven to rotate by a certain angle in a direction opposite to the first direction.
While the foregoing description of the embodiments of the present invention has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the invention, but rather, it is intended to cover all modifications or variations within the scope of the invention as defined by the claims of the present invention.
Claims (8)
1. The reversing hydraulic motor is characterized by comprising a shell, wherein one end of the shell is matched with a first end cover, the other end of the shell is matched with a second end cover, a connecting rod is arranged between the first end cover and the second end cover, the first end cover is rotationally connected with an output shaft through a middle through hole, one end of the output shaft far away from the first end cover is rotationally connected with the second end cover, the output shaft penetrates through the through hole in the middle of a piston, the piston realizes the change of the initial distance between the piston and the second end cover through an adjusting rod, the rotating angle of the output shaft is adjusted by changing the stroke of the piston, the piston is in sliding connection with the connecting rod, a spiral groove is formed in the part, located between the first end cover and the second end cover, of the output shaft, the spiral groove is matched with one end of the roller, the other end of the roller is detachably connected with the piston, the piston pushes the roller to move along the spiral groove, the output shaft is driven to rotate, oil holes are formed in the first end cover and the second end cover, and the connecting rod, the output shaft and the piston are all surrounded by the shell;
the side surface of the piston is provided with a through hole matched with the roller; the number of the through holes is two, and the through holes are sequentially arranged along the axis of the piston.
2. A commutating hydraulic motor as claimed in claim 1, wherein the portion of the output shaft protruding from the first end cap is provided with a recess.
3. A commutated hydraulic motor as claimed in claim 2, wherein the piston is of stepped configuration.
4. A commutating hydraulic motor as claimed in claim 1, wherein the adjustment rod is threadably connected to the second end cap and is secured by a lock nut.
5. A commutated hydraulic motor as claimed in claim 1, wherein rolling bearings are provided between the output shaft and the first and second end caps, respectively.
6. A commutated hydraulic motor as claimed in claim 1, wherein sealing means are provided between the output shaft and the first and second end caps, respectively.
7. A commutating hydraulic motor as claimed in claim 1, wherein the connecting rod is a multi-stage stepped rod.
8. A commutating hydraulic motor as claimed in claim 1, wherein the connecting rod is secured to the second end cap by a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810608775.5A CN108506273B (en) | 2018-06-13 | 2018-06-13 | Reversing hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810608775.5A CN108506273B (en) | 2018-06-13 | 2018-06-13 | Reversing hydraulic motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108506273A CN108506273A (en) | 2018-09-07 |
| CN108506273B true CN108506273B (en) | 2024-01-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810608775.5A Active CN108506273B (en) | 2018-06-13 | 2018-06-13 | Reversing hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108506273B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115133421B (en) * | 2022-07-21 | 2023-04-28 | 立阳电气（天津）有限公司 | Modular assembled distribution box |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB515635A (en) * | 1938-06-08 | 1939-12-11 | Frederick Henry Carey | Improvements in or relating to hydraulic reciprocating pumps and motors |
| US3483932A (en) * | 1967-04-17 | 1969-12-16 | Motobecane Ateliers | Fluid pressure operated vane motor,especially for nut and the like driving machines |
| CN201232614Y (en) * | 2008-03-17 | 2009-05-06 | 中国石油大学(华东) | Downhole booster pump with double helix groove screw motor |
| CN201943883U (en) * | 2010-09-06 | 2011-08-24 | 戴觉全 | Hydraulic or barometric motor |
| CN102797623A (en) * | 2012-08-19 | 2012-11-28 | 杭州宇控机电工程有限公司 | Double-helix swing hydraulic motor with flow distribution and power distribution functions |
| CN203098138U (en) * | 2013-02-06 | 2013-07-31 | 刘福芬 | Hydraulic swing motor used for large diameter valve switch |
| CN203548402U (en) * | 2013-11-26 | 2014-04-16 | 山东钢之杰机电制造有限公司 | Spiral type servo hydraulic pushing motor |
| CN203822387U (en) * | 2014-01-16 | 2014-09-10 | 毛永波 | Screw-type piston motor or engine |
| CN203822386U (en) * | 2014-01-29 | 2014-09-10 | 毛永波 | Circular spiral piston motor or engine |
| CN203906443U (en) * | 2014-04-22 | 2014-10-29 | 西安日新精密机械有限公司 | Stroke adjusting device for hydraulic servo motor |
| CN203962288U (en) * | 2014-03-07 | 2014-11-26 | 宁波市北仑恒力液压机械厂 | A kind of radial piston hydraulic motor |
| CN204082435U (en) * | 2014-11-14 | 2015-01-07 | 宁波中意液压马达有限公司 | Roller motor |
| CN105464878A (en) * | 2015-12-16 | 2016-04-06 | 山东新阳光机械制造有限公司 | Hydraulic motor |
| CN105756850A (en) * | 2016-04-19 | 2016-07-13 | 佛山市顺德区中意液压有限公司 | Intermediate-speed large-torque radial plunger hydraulic motor |
| CN107387307A (en) * | 2017-07-26 | 2017-11-24 | 徐州工业职业技术学院 | A kind of two-way displacement hydraulic motor with speed-limiting device |
| CN107956636A (en) * | 2018-01-18 | 2018-04-24 | 镇江大力液压马达股份有限公司 | A kind of hydraulic brake motor |
| CN208519000U (en) * | 2018-06-13 | 2019-02-19 | 山东大学 | A kind of commutation type hydraulic motor |
-
2018
- 2018-06-13 CN CN201810608775.5A patent/CN108506273B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB515635A (en) * | 1938-06-08 | 1939-12-11 | Frederick Henry Carey | Improvements in or relating to hydraulic reciprocating pumps and motors |
| US3483932A (en) * | 1967-04-17 | 1969-12-16 | Motobecane Ateliers | Fluid pressure operated vane motor,especially for nut and the like driving machines |
| CN201232614Y (en) * | 2008-03-17 | 2009-05-06 | 中国石油大学(华东) | Downhole booster pump with double helix groove screw motor |
| CN201943883U (en) * | 2010-09-06 | 2011-08-24 | 戴觉全 | Hydraulic or barometric motor |
| CN102797623A (en) * | 2012-08-19 | 2012-11-28 | 杭州宇控机电工程有限公司 | Double-helix swing hydraulic motor with flow distribution and power distribution functions |
| CN203098138U (en) * | 2013-02-06 | 2013-07-31 | 刘福芬 | Hydraulic swing motor used for large diameter valve switch |
| CN203548402U (en) * | 2013-11-26 | 2014-04-16 | 山东钢之杰机电制造有限公司 | Spiral type servo hydraulic pushing motor |
| CN203822387U (en) * | 2014-01-16 | 2014-09-10 | 毛永波 | Screw-type piston motor or engine |
| CN203822386U (en) * | 2014-01-29 | 2014-09-10 | 毛永波 | Circular spiral piston motor or engine |
| CN203962288U (en) * | 2014-03-07 | 2014-11-26 | 宁波市北仑恒力液压机械厂 | A kind of radial piston hydraulic motor |
| CN203906443U (en) * | 2014-04-22 | 2014-10-29 | 西安日新精密机械有限公司 | Stroke adjusting device for hydraulic servo motor |
| CN204082435U (en) * | 2014-11-14 | 2015-01-07 | 宁波中意液压马达有限公司 | Roller motor |
| CN105464878A (en) * | 2015-12-16 | 2016-04-06 | 山东新阳光机械制造有限公司 | Hydraulic motor |
| CN105756850A (en) * | 2016-04-19 | 2016-07-13 | 佛山市顺德区中意液压有限公司 | Intermediate-speed large-torque radial plunger hydraulic motor |
| CN107387307A (en) * | 2017-07-26 | 2017-11-24 | 徐州工业职业技术学院 | A kind of two-way displacement hydraulic motor with speed-limiting device |
| CN107956636A (en) * | 2018-01-18 | 2018-04-24 | 镇江大力液压马达股份有限公司 | A kind of hydraulic brake motor |
| CN208519000U (en) * | 2018-06-13 | 2019-02-19 | 山东大学 | A kind of commutation type hydraulic motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108506273A (en) | 2018-09-07 |
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