CN209025789U - System is directly controlled in a kind of hydraulic motor rotary motion - Google Patents
System is directly controlled in a kind of hydraulic motor rotary motion Download PDFInfo
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- CN209025789U CN209025789U CN201821669632.7U CN201821669632U CN209025789U CN 209025789 U CN209025789 U CN 209025789U CN 201821669632 U CN201821669632 U CN 201821669632U CN 209025789 U CN209025789 U CN 209025789U
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- 230000033001 locomotion Effects 0.000 title claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 230000008878 coupling Effects 0.000 claims abstract description 23
- 238000010168 coupling process Methods 0.000 claims abstract description 23
- 238000005859 coupling reaction Methods 0.000 claims abstract description 23
- 239000010720 hydraulic oil Substances 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 4
- 239000003921 oil Substances 0.000 claims description 3
- 230000008450 motivation Effects 0.000 claims 3
- 239000012530 fluid Substances 0.000 description 18
- 238000012423 maintenance Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000008713 feedback mechanism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a kind of hydraulic motor rotary motions directly to control system, belongs to technical field of hydraulic pressure, including rotary distributor, the servo motor as drive control, slip coupling, feedback transmission mechanism, hydraulic motor；Rotary distributor includes rotary control valve core and control nut；Servo motor output shaft is connect with one end of control nut, the other end of control nut is connect with one end of rotary control valve core, the other end of rotary control valve core is connected by the output end of slip coupling, feedback transmission mechanism and hydraulic motor, forms machine feedback chain.The utility model drives rotary distributor movement by servo motor, and then drive the power output end rotation of hydraulic motor, hydraulic motor power output end makes its counteragent through feedback transmission mechanism, slip coupling control rotary distributor simultaneously, machine feedback chain is formed, realizes the purpose for automatically controlling, being manually operated to hydraulic motor rotary motion state.
Description
Technical field
The utility model relates to technical field of hydraulic pressure more particularly to a kind of hydraulic control systems of hydraulic motor rotary motion
System.
Background technique
Currently, conventional hydraulic motor hydraulic control system mainly controls hydraulic fluid flow rate by servo system, to liquid
The rotary motion of pressure motor is controlled.
Conventional hydraulic motor hydraulic control system Hydraulic Elements are more, and structure is complicated, right there are many hydraulic valve, servo valve etc.
The requirements of oily cleannes is high, and the probability to break down is caused to increase, at the same overhaul, safeguard it is also relatively difficult.And in routine
In hydraulic motor hydraulic control system, when needing hydraulic motor to be maintained at certain angle, if power loss, hydraulic motor may cause
Angle position changes, and the direction of the variation and amplitude are uncertain.In addition, in conventional hydraulic motor hydraulic control system
It in system, is operated manually if necessary, needs to increase manual system, keep whole system more complicated, failure rate is higher, and watches
Maintenance, the maintenance for taking valve system and manual system are also more complicated and cumbersome.
Utility model content
The purpose of this utility model is to provide a kind of hydraulic motor rotary motions directly to control system, can efficiently solve often
Advise the problems such as hydraulic motor hydraulic control system configuration is complicated, power loss rear hydraulic motor angle position is unstable, maintenance is complicated.
To achieve the goals above, the utility model provides following technical scheme:
The utility model provides a kind of hydraulic motor rotary motion and directly controls system, including rotary distributor, servo motor, cunning
Dynamic shaft coupling, feedback transmission mechanism and hydraulic motor；The rotary distributor includes rotary control valve core and control nut；Each portion
Point connection relationship includes: that servo motor output shaft connect with control nut one end, controls the nut other end and rotary control valve core
The other end of one end connection, rotary control valve core is connect by slip coupling, feedback transmission mechanism with hydraulic motor output end,
Form machine feedback chain；There are two output oil ports for the rotary distributor configuration, are separately connected two hydraulic oil of hydraulic motor
Mouth is to form hydraulic circuit driving hydraulic motor output end rotation.
Further, this system each section connection relationship can be replaced:
Servo motor output shaft is connect by slip coupling with rotary control valve core one end, rotary control valve core it is another
End is connect with control nut one end, and the control nut other end is connect by feeding back transmission mechanism with hydraulic motor output end, is formed
Machine feedback chain.
Specifically, the rotary control valve core by can self-locking spiral auxiliary structure with control nut connect, pass through self-locking function
It is able to achieve position locking.
Specifically, the rotation angle of the hydraulic motor output end and servo motor output shaft rotate angle by a certain percentage
It is corresponding, it can rotate, can also be rotated according to other ratios according to the ratio of 1:1.
Specifically, the slip coupling increases transmission parts, can permit connected axis in a certain range into
Row axial movement, and the transmitting of rotary motion is not influenced.
Specifically, the feedback transmission mechanism feeds back direction of rotation and servo motor drives using gear auxiliary structure
The direction of rotation of moving axis is identical.
Specifically, this system further includes the rotary encoder for angular position detection, and rotary encoder is connected to feedback
In mechanism.
Specifically, this system further includes the rotary encoder for angular position detection, rotary encoder and hydraulic motor
Output end connection.
Further, the size that the rotary distributor hydraulic fluid port window is opened is the difference by driving speed and feedback speed
The revolving speed for determining, therefore controlling servo motor can change the size of rotary distributor hydraulic fluid port window opening, control hydraulic oil
Flow, to control the rotation speed of hydraulic motor output end.
Further, after system power loss, since rotary distributor internal helicoid pair can be self-locking, in the operating condition of not external force
Under, the relative position of rotary control valve core and control nut will not change, and the window of rotary distributor hydraulic fluid port will not be opened,
It can guarantee that the angle of hydraulic motor output end will not change.
Further, this system can be by manual operation servo motor output shaft rotation, to drive hydraulic motor defeated
Outlet is rotated as required.
Compared with prior art, the utility model beneficial effect is:
(1) automatic control that hydraulic motor rotary motion state can be achieved, keeps current angular；
(2) automatically controlling can be realized by servo motor, due to the amplification of spiral auxiliary structure, it is only necessary to lesser power
Square can operate rotary distributor, be not necessarily to powerful motor；
It (3), can be by manual while hydraulic motor being kept to maintain current angular under the operating condition for automatically controlling failure
Operation servo motor driving hydraulic motor output end is rotated as required, without individually increasing manual operation device；
(4) requirement of the relatively conventional servo system of this system to oily cleannes is low, it may not be necessary to filter element.
(5) this system is simple for structure is illustrated, and makes installation, debugging, operation and maintenance all very square while easy to operate
Just.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiments of the present invention 1；
Fig. 2 is the structural schematic diagram of the embodiments of the present invention 1；
Fig. 3 is the structural schematic diagram of the embodiments of the present invention 2；
Fig. 4 is the structural schematic diagram of the embodiments of the present invention 2.
1- rotary distributor, 11- rotary control valve core, 12- control nut, 2- servo motor, 3- slip coupling, 4- are anti-
Present transmission mechanism, 5- rotary encoder, 6- hydraulic motor
Specific embodiment
The embodiments of the present invention are illustrated below in conjunction with attached drawing, it should be understood that embodiment described herein
It is only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment 1
As shown in Figure 1, present embodiments providing a kind of hydraulic motor rotary motion directly controls system, including rotary distributor 1,
As the servo motor 2 of driving, slip coupling 3, feedback transmission mechanism 4 and hydraulic motor 6；The rotary distributor 1 includes
Rotary control valve core 11 and control nut 12,2 output shaft of servo motor are connect with control 12 one end of nut, and control nut 12 is another
End is connect by self-locking spiral auxiliary structure with 11 one end of rotary control valve core, and 11 other end of rotary control valve core passes through sliding shaft coupling
Device 3, feedback transmission mechanism 4 are connect with 6 output end of hydraulic motor, form machine feedback chain；Two are configured on rotary distributor 1
A hydraulic oil output port is respectively connected to two hydraulic oil ports of hydraulic motor 6, to form hydraulic circuit driving hydraulic motor 6
Output end rotation.This system controls the movement of rotary control valve core 11 by servo motor 2 to control 1 hydraulic fluid port window of rotary distributor
The size and Orientation of opening, and then drive 6 output end of hydraulic motor to rotate as required, while 6 output end of hydraulic motor is through feeding back
Transmission mechanism 4, slip coupling 3 make 11 counter motion of rotary control valve core, form feedback link.
The working principle of this system is as follows:
In the initial state, two hydraulic oil output ports of rotary distributor 1 are closed by rotary control valve core 11, without liquid
Pressure oil passes in and out the hydraulic fluid port of hydraulic motor 6, and 6 output end of hydraulic motor is maintained at current angular；When this system is started to work, due to rotation
Turn 1 internal rotating control valve core 11 of distributing valve and is connected with control nut 12 by spiral auxiliary structure, 2 drive control spiral shell of servo motor
Mother 12 rotates, and moves axially rotary control valve core 11, opens the window of 1 hydraulic fluid port of rotary distributor, and hydraulic oil passes through rotation
Turn the both ends that distributing valve 1 enters (or outflow) hydraulic motor 6, driving 6 output end of hydraulic motor rotation；Meanwhile hydraulic motor 6 is defeated
The rotational movement feedback transmission mechanism 4 of outlet rotates, and feedback transmission mechanism 4 drives slip coupling 3 and rotary control valve
Core 11 is rotated according to the direction of rotation for controlling nut 12 before, and rotary control valve core 11 is made axially to move backward closing window；
When servo motor 2 stops at a certain angle, 6 output end of hydraulic motor is continued to rotate, and passes through feedback transmission mechanism 4, sliding shaft coupling
Device 3 moves backward rotary control valve core 11 on axis while continuing rotation, the final window for closing 1 hydraulic fluid port of rotary distributor
Mouthful, hydraulic oil stops flowing, and 6 output end of hydraulic motor reaches predetermined angular, stops operating.Pass through turning for control servo motor 2
Speed, thus it is possible to vary the size that 1 hydraulic fluid port window of rotary distributor is opened, and then the flow of hydraulic oil is controlled, to control hydraulic horse
Up to the movement velocity of output end.Since spiral auxiliary structure has amplification, it is only necessary to which lesser torque can operate rotation point
With valve 1, and then hydraulic motor 6 is driven to move, there is no need to powerful motors.
As an option, when servo motor 2 stops rotating, 6 output end of hydraulic motor is parked in a certain angle, if due to outer
The reason of power, changes 6 output end angle of hydraulic motor, which will drive sliding shaft coupling by feedback transmission mechanism 4
Device 3 rotates rotary control valve core 11, due to the relationship of rotary distributor 1 internal helicoid pair, rotates rotary control valve core 11
While move axially, open rotary distributor 1 hydraulic oil output port window, make hydraulic oil by rotation distribution
The both ends of the into and out hydraulic motor 6 of valve 1, driving 6 output end of hydraulic motor rotates backward, until 6 output end of hydraulic motor
Angle before returning to, rotary control valve core 11 stop the closed windows of the hydraulic oil output port of rotary distributor 1, hydraulic oil
Flowing.
More preferably, the rotation angle of 6 power output end of hydraulic motor and 2 output shaft of servo motor rotation angle are by certain ratio
Example is corresponding, can rotate, can also be rotated according to other ratios according to the ratio of 1:1.
More preferably, slip coupling 3 increases transmission parts, can permit connected axis and carries out axis in a certain range
To movement, and the transmitting of rotary motion is not influenced.
More preferably, feedback transmission mechanism 4 uses gear auxiliary structure, makes the direction of rotation of feedback by its internal structure and watches
The direction of rotation for taking 2 drive shaft of motor is identical.
As an option, after this system power loss, since 1 internal helicoid pair of rotary distributor can be self-locking, in no external force
Operating condition under, rotary control valve core 11 and control nut 12 relative position will not change, the window of 1 hydraulic fluid port of rotary distributor
Mouth will not be opened, it is ensured that the angle of hydraulic motor output end will not change.
As an option, this system can be by manual operation 2 output shaft of servo motor rotation, to drive hydraulic motor
6 output ends are rotated as required.
As an option, this system further includes rotary encoder 5, is achieved in that rotation in the one of which of the present embodiment
Encoder 5 is connected on feedback mechanism 4, for detecting whether 6 output end of hydraulic motor rotation angle reaches scheduled angle.
Another is achieved in that rotary encoder 5 is connect with 6 output end of hydraulic motor, as shown in Fig. 2, for detecting
Whether 6 output end of hydraulic motor rotation angle reaches scheduled angle.
Embodiment 2
As shown in figure 3, present embodiments providing a kind of hydraulic motor rotary motion directly controls system, including rotary distributor 1,
As the servo motor 2 of driving, slip coupling 3, feedback transmission mechanism 4 and hydraulic motor 6；The rotary distributor 1 includes
Rotary control valve core 11 and control nut 12,2 output shaft of servo motor pass through slip coupling 3 and 11 one end of rotary control valve core
Connection, 11 other end of rotary control valve core by can self-locking spiral auxiliary structure with control 12 one end of nut connect, control nut 12
The other end is connect by feeding back transmission mechanism 4 with 6 output end of hydraulic motor, forms machine feedback chain；It is configured on rotary distributor 1
There are two hydraulic oil output port, two hydraulic oil ports of hydraulic motor 6 are respectively connected to form hydraulic circuit and drive hydraulic horse
It is rotated up to 6 output ends.This system drives the rotation of slip coupling 3 to make rotary distributor core 11 rotate by servo motor 2,
The size and Orientation that 1 hydraulic fluid port window of rotary distributor is opened is controlled, and then 6 output end of hydraulic motor is driven to rotate as required, together
When 6 output end of hydraulic motor through feed back transmission mechanism 4 make control nut 12 rotate, form simple machine feedback chain.
The working principle of this system is as follows:
In the initial state, the hydraulic oil output port of rotary distributor 1 is closed by rotary control valve core 11, without hydraulic oil
Hydraulic motor 6 is passed in and out, 6 output end of hydraulic motor is maintained at current angular；When this system is started to work, due to rotary distributor 1
The relationship of internal helicoid pair, servo motor 2 drive rotary control valve core 11 to rotate and move axially by slip coupling 3,
The window of 1 hydraulic fluid port of rotary distributor is opened, hydraulic oil is entered the both ends of (or outflow) hydraulic motor 6 by rotary distributor 1, driven
The rotation of 6 output end of hydrodynamic pressure motor；Meanwhile 6 output end of hydraulic motor rotational movement feedback transmission mechanism 4 rotation to
Make the direction of rotation rotation for controlling nut 12 according to rotary control valve core 11 before, moves backward rotary control valve core 11 axially
Close window；When servo motor 2 stops at a certain angle, 6 output end of hydraulic motor continues to rotate, by feedback transmission mechanism 4,
Control nut 12 makes rotary control valve core 11 continue to move backward, and the final window for closing 1 hydraulic fluid port of rotary distributor, hydraulic oil stops
Fluid stopping is dynamic, and 6 output end of hydraulic motor reaches predetermined angular, stops operating.By the revolving speed for controlling servo motor 2, thus it is possible to vary
The size that 1 hydraulic fluid port window of rotary distributor is opened, and then the flow of hydraulic oil is controlled, to control the rotation of hydraulic motor output end
Rotary speed.Since spiral auxiliary structure has amplification, it is only necessary to which lesser torque can operate rotary distributor 1, drive liquid
6 rotary motion of pressure motor, there is no need to powerful motors.
As an option, when servo motor 2 stops rotating, 6 output end of hydraulic motor is parked in a certain angle, if due to outer
The reason of power, changes the angle of 6 output end of hydraulic motor, the variation will drive feedback transmission mechanism 4 rotation to
Make to control the rotation of nut 12, since control nut 12 is connect by self-locking spiral auxiliary structure with rotary control valve core 11, so that rotation
Turn control valve core 11 to move axially, open the window of 1 hydraulic fluid port of rotary distributor, hydraulic oil is entered by rotary distributor 1
Or outflow hydraulic motor 6 both ends, make 6 output end of hydraulic motor reversely rotate, until 6 output end of hydraulic motor return to it is original
Angle, rotary control valve core 11 close the window of 1 hydraulic fluid port of rotary distributor, and hydraulic oil stops flowing.
More preferably, the rotation angle of 6 power output end of hydraulic motor and 2 output shaft of servo motor rotation angle are by certain ratio
Example is corresponding, can rotate, can also be rotated according to other ratios according to the ratio of 1:1.
More preferably, slip coupling 3 increases its transmission parts, can permit connected axis and carries out in a certain range
Axial movement, and the transmitting of rotary motion is not influenced.
More preferably, feedback transmission mechanism 4 uses gear auxiliary structure, makes the direction of rotation of feedback by its internal structure and watches
The direction of rotation for taking 2 drive shaft of motor is identical.
As an option, after this system power loss, since 1 internal helicoid auxiliary structure of rotary distributor can be self-locking, do not having
Under the operating condition of external force, the relative position of rotary control valve core 11 and control nut 12 will not change, 1 hydraulic fluid port of rotary distributor
Window will not open, it is ensured that the angle of hydraulic motor output end will not change.
As an option, this system can be by manual operation 2 output shaft of servo motor rotation, to drive hydraulic motor
6 output ends are rotated as required.
As an option, this system further includes rotary encoder 5, is achieved in that rotation in the one of which of the present embodiment
Encoder 5 is connected on feedback mechanism 4, for detecting whether 6 output end of hydraulic motor rotation angle reaches scheduled pilot angle
Degree.
Another is achieved in that rotary encoder 5 is connect with 6 output end of hydraulic motor, as shown in figure 4, for detecting
Whether 6 output end of hydraulic motor rotation angle reaches scheduled control angle.
As described above, this system does not need various hydraulic valves, servo valve etc., system is succinct, and operation and maintenance is simple, and
The angle of 6 output end of hydraulic motor directly corresponds to the corner of servo motor 2.After power loss, hydraulic motor output end can be protected for a long time
It holds in current angular, and when needed, the rotary motion of hydraulic motor can be controlled by manual operation.
It should be appreciated that the utility model above-described embodiment and example, is not intended to limit for description and interpretation purpose
The scope of the utility model.The scope of the utility model is defined by claim, rather than is determined by above-described embodiment and example
Justice.
Claims (9)
1. system is directly controlled in a kind of hydraulic motor rotary motion, it is characterised in that: including rotary distributor (1), servo motor (2),
Slip coupling (3), feedback transmission mechanism (4) and hydraulic motor (6)；The rotary distributor (1) includes rotary control valve core
(11) and nut (12) are controlled；
Each section connection relationship includes: that servo motor (2) output shaft is connect with control nut (12) one end, and control nut (12) is another
One end is connect with rotary control valve core (11) one end, and rotary control valve core (11) other end is passed by slip coupling (3), feedback
Motivation structure (4) is connect with hydraulic motor (6) output end, forms machine feedback chain；There are two defeated for rotary distributor (1) configuration
Oil outlet is separately connected two hydraulic oil ports of hydraulic motor (6) to form hydraulic circuit driving hydraulic motor (6) output end rotation
Turn.
2. system is directly controlled in a kind of hydraulic motor rotary motion according to claim 1, it is characterised in that: described each section connects
The relationship of connecing can be replaced:
Servo motor (2) output shaft is connect by slip coupling (3) with rotary control valve core (11) one end, rotary control valve core
(11) other end with control nut (12) one end connect, control nut (12) other end by feed back transmission mechanism (4) with it is hydraulic
The connection of motor (6) output end, forms machine feedback chain.
3. system is directly controlled in a kind of hydraulic motor rotary motion according to claim 1 or 2, it is characterised in that: the rotation
Control valve core (11) by can self-locking spiral auxiliary structure with control nut (12) connect.
4. system is directly controlled in a kind of hydraulic motor rotary motion according to claim 1 or claim 2, it is characterised in that: the hydraulic horse
Gyration and servo motor (2) output shaft rotation angle up to (6) power output end is corresponding by a certain percentage.
5. system is directly controlled in a kind of hydraulic motor rotary motion according to claim 1 or claim 2, it is characterised in that: the sliding connection
Axis device (3) increases transmission parts, can permit connected axis and moves axially in a certain range, and does not influence to rotate
The transmitting of movement.
6. system is directly controlled in a kind of hydraulic motor rotary motion according to claim 1 or claim 2, it is characterised in that: the feedback passes
Motivation structure (4) is using gear auxiliary structure.
7. system is directly controlled in a kind of hydraulic motor rotary motion according to claim 1 or claim 2, it is characterised in that: the feedback passes
Motivation structure (4) direction of rotation is identical as the direction of rotation of servo motor (2) drive shaft.
8. system is directly controlled in a kind of hydraulic motor rotary motion according to claim 1 or claim 2, it is characterised in that: the system is also
Including the rotary encoder (5) for angular position detection, rotary encoder (5) is connected in feedback transmission mechanism (4).
9. system is directly controlled in a kind of hydraulic motor rotary motion according to claim 1 or claim 2, it is characterised in that: the system is also
Including the rotary encoder (5) for angular position detection, rotary encoder (5) is connect with hydraulic motor (6) output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821669632.7U CN209025789U (en) | 2018-10-15 | 2018-10-15 | System is directly controlled in a kind of hydraulic motor rotary motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821669632.7U CN209025789U (en) | 2018-10-15 | 2018-10-15 | System is directly controlled in a kind of hydraulic motor rotary motion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209025789U true CN209025789U (en) | 2019-06-25 |
Family
ID=66906351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821669632.7U Active CN209025789U (en) | 2018-10-15 | 2018-10-15 | System is directly controlled in a kind of hydraulic motor rotary motion |
Country Status (1)
| Country | Link |
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| CN (1) | CN209025789U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630430A (en) * | 2019-10-18 | 2019-12-31 | 三一汽车制造有限公司 | Hydraulic motor control systems and mechanical equipment |
| CN111365314A (en) * | 2020-03-26 | 2020-07-03 | 浙江大学宁波理工学院 | Fault tolerant reversing valve |
| CN117484240A (en) * | 2024-01-02 | 2024-02-02 | 宁波中意液压马达有限公司 | Turret rotary indexing cycloid motor |
-
2018
- 2018-10-15 CN CN201821669632.7U patent/CN209025789U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630430A (en) * | 2019-10-18 | 2019-12-31 | 三一汽车制造有限公司 | Hydraulic motor control systems and mechanical equipment |
| CN111365314A (en) * | 2020-03-26 | 2020-07-03 | 浙江大学宁波理工学院 | Fault tolerant reversing valve |
| CN117484240A (en) * | 2024-01-02 | 2024-02-02 | 宁波中意液压马达有限公司 | Turret rotary indexing cycloid motor |
| CN117484240B (en) * | 2024-01-02 | 2024-03-29 | 宁波中意液压马达有限公司 | Turret rotary indexing cycloid motor |
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