CN202418080U - Digital hydraulic motor - Google Patents
Digital hydraulic motor Download PDFInfo
- Publication number
- CN202418080U CN202418080U CN2012200276431U CN201220027643U CN202418080U CN 202418080 U CN202418080 U CN 202418080U CN 2012200276431 U CN2012200276431 U CN 2012200276431U CN 201220027643 U CN201220027643 U CN 201220027643U CN 202418080 U CN202418080 U CN 202418080U
- Authority
- CN
- China
- Prior art keywords
- motor
- pressure liquid
- digital
- spool
- servo valve
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Servomotors (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The utility model provides a digital hydraulic motor, which belongs to the field of hydraulic motors and comprises a motor and a digital servo valve. The digital servo valve is provided with a drive motor, the motor is provided with a double outlet shaft, one end is connected with a resetting shaft of the digital servo valve, the other end is connected with a load, a machinery closed loop is formed, and the digital servo valve is driven by the drive motor to control the motor to rotate. Due to the fact that the motor is controlled by the digital servo valve driven by the drive motor, size of opening of a valve port of the servo valve is controlled by changing rotating speed and rotating direction of the drive motor so that rotating speed and rotating direction of the motor is further controlled, a turning angle of the hydraulic motor can be controlled correspondingly if a turning angle of the drive motor is controlled. Due to the fact that the drive motor power can be made quite high, single-stage valve flux can be correspondingly made high, secondary or tertiary amplification is not needed, structure is simplified, cost is lowered, the digital hydraulic motor is fast and flexible in reaction, simple in operation, convenient to debug, low in cost, and is suitable for large-scale popularization.
Description
Technical field
The utility model relates to the oil hydraulic motor field, relates in particular to a kind of digital oil hydraulic motor.
Background technique
In the fluid transmission, accurately control direction, speed or the position of oil hydraulic motor, adopt Proportional valve or servovalve to realize respectively.Costing an arm and a leg of Proportional valve or servovalve, service condition are relatively harsher, inconvenient debugging, and maintenance difficulties is bigger, has brought inconvenience to the user, has also increased cost, is not easy to large-scale promotion.Like the patent No. is 20100595894.5 Chinese patent, discloses a kind of oil hydraulic motor with Speed On-off Valve, and its structure and principle are all very complicated.
The model utility content
The purpose of the utility model provides a kind of simple in structure, and cost is lower and use debugging convenient, is convenient to the digital oil hydraulic motor of large-scale promotion.
In order to achieve the above object, the utility model adopts following technological scheme:
A kind of digital oil hydraulic motor comprises motor, digital servo valve; Said digital servo valve has drive motor, and said motor has two shafts, and an end is connected with the resetting shaft of said digital servo valve, and the other end is connected with load, constitutes mechanical closed loop, and said digital servo valve is controlled said revolution through said drive motor drives.
Further, said motor one end is connected with the resetting shaft of said digital servo valve through the digital electrical sensor.
Further; Said digital servo valve comprises valve body, spool, nut sleeve and drive motor, and said valve body has the high-pressure liquid mouth, and said spool is located in the valve body and is provided with the step that two or more are used to separate said high-pressure liquid mouth; Said spool one side is provided with the screw thread screw thread; This screw thread screw thread cooperates with said nut sleeve, and said nut sleeve is axially fixed on the said valve body, and said spool and said nut sleeve relatively rotate the said spool of drive and move axially.
Further; Said high-pressure liquid mouth comprises high-pressure liquid inlet, high-pressure liquid outlet and return opening; High-pressure liquid gets between the step of said spool through said high-pressure liquid inlet; And move axially from the outlet of said high-pressure liquid with spool and to flow to motor, the oil that returns from motor returns fuel tank through return opening.
Further, said high-pressure liquid outlet comprises outlet of first high-pressure liquid and the outlet of second high-pressure liquid that is connected with the motor oiler respectively, and said motor positive and negative direction axial rotation is controlled in said first high-pressure liquid outlet and the outlet of second high-pressure liquid respectively.
The another kind of digital oil hydraulic motor that the utility model provides comprises motor, digital servo valve; Said digital servo valve has drive motor, and said motor has two shafts, and an end is equipped with the digital transducer that is used for the electricity feedback, and the other end is connected with load, and said digital servo valve is controlled said revolution through said drive motor drives.
Further, said digital servo valve one end is provided with the feedback motor that is used for soft feedback.
Further; Said digital servo valve comprises valve body, spool, nut sleeve and drive motor, and said valve body has the high-pressure liquid mouth, and said spool is located in the valve body and is provided with the step that two or more are used to separate said high-pressure liquid mouth; Said spool one side is provided with the screw thread screw thread; This screw thread screw thread cooperates with said nut sleeve, and said nut sleeve is axially fixed on the said valve body, and said spool and said nut sleeve relatively rotate the said spool of drive and move axially.
Further; Said high-pressure liquid mouth comprises high-pressure liquid inlet, high-pressure liquid outlet and return opening; High-pressure liquid gets between the step of said spool through said high-pressure liquid inlet; And move axially from the outlet of said high-pressure liquid with spool and to flow to motor, the oil that returns from motor returns fuel tank through return opening.
Further, said high-pressure liquid outlet comprises outlet of first high-pressure liquid and the outlet of second high-pressure liquid that is connected with the motor oiler respectively, and said motor positive and negative direction axial rotation is controlled in said first high-pressure liquid outlet and the outlet of second high-pressure liquid respectively.
Advantage of the utility model and beneficial effect:
The digital oil hydraulic motor that the utility model provides; Adopt the digital servo valve control motor of drive motor drives; Thereby through changing the valve port openings of sizes of drive motor rotating speed and sense of rotation control servovalve; And then control motor rotary speed and sense of rotation, if the corner of controlling and driving motor then corner that can corresponding control oil hydraulic motor.Because it is very big that drive motor power can be done, the one valve flow just can correspondingly be done greatly, need not secondary or three grades of amplifications, simplifies the structure, and has reduced cost, and the reaction rapid sensitive, and simple to operate understandable, debugging makes things convenient for cost low, is suitable for large-scale promotion.
Description of drawings
The digital oil hydraulic motor embodiment's 1 that Fig. 1 provides for the utility model structural representation;
The digital oil hydraulic motor embodiment's 2 that Fig. 2 provides for the utility model structural representation;
The digital oil hydraulic motor embodiment's 3 that Fig. 3 provides for the utility model structural representation.
Embodiment
For the purpose, technological scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Embodiment 1
As shown in Figure 1, a kind of digital oil hydraulic motor comprises motor 1, digital servo valve; Said digital servo valve has drive motor 13; Said motor 1 has two shafts, and an end is connected with the resetting shaft of said digital servo valve, and the other end is connected with load; Constitute mechanical closed loop, said digital servo valve rotates through the said motor 1 of said motor 13 drive controlling.
Said motor 1 body does not have specific (special) requirements, and related domain hydraulic oil motor commonly used all can adopt.Said drive motor 13 can be actuating motor or stepper motor etc.Be connected through coupling shaft 3 between motor 1 and the digital servo valve.
Said digital servo valve comprises valve body 6, spool 8, nut sleeve 5 and drive motor 13; Said valve body 6 has high-pressure liquid mouth A and B; Said spool 8 is located in the valve body 6 and is provided with the step that two or more are used to separate said high-pressure liquid mouth, and said spool 8 one sides are provided with the screw thread screw thread, and this screw thread screw thread cooperates with said nut sleeve 5; Said nut sleeve 5 is axially fixed on the said valve body 6, and said spool 8 relatively rotates the said spool 8 of drive with said nut sleeve 5 and moves axially.Said drive motor 13 through gland 10 fixing with said valve body 6 on; And through coupling 12 and said spool 8 rotations of motor bearing 11 drivings; Under the effect of nut sleeve 8 and screw thread screw thread, realize axial rotation, pass through Sealing 9 sealing and fixing between said gland 10 and the valve body 6.Said high-pressure liquid mouth comprises high-pressure liquid inlet P, high-pressure liquid outlet A and B and return opening O; High-pressure liquid gets between the step of said spool 8 through said high-pressure liquid inlet P; And move axially from said high-pressure liquid outlet A or B with spool 8 and to flow to motor 1, the oil that returns from motor 1 returns fuel tank through return opening O.Said high-pressure liquid outlet comprises first high-pressure liquid outlet A and second high-pressure liquid outlet B that is connected with the motor oiler respectively, and said first high-pressure liquid outlet A and second high-pressure liquid outlet B control said motor 1 positive and negative direction axial rotation respectively.
Its working method can for: first high-pressure liquid outlet A through oil circuit 2 control motors 1 forward rotation; B is as the highly pressurised liquid return port in second high-pressure liquid outlet this moment; Drive motor 13 control spools 8 move axially, and make the high-voltage oil liquid that is got into by high-pressure liquid inlet P flow into motor 1 by first high-pressure liquid outlet A, control motor 1 forward rotation; Flow back to digital servo valve by second high-pressure liquid outlet B behind the high-voltage oil liquid drive motor, return fuel tank through return opening O then.Rotation signals such as the rotating speed of motor 1 and corner feed back through resetting shaft, thereby realize the digital control of motor 1.Equally, also can control motor 1 backward rotation by second high-pressure liquid outlet B, A is as the highly pressurised liquid return port for the outlet of first high-pressure liquid.
Further; Can also between motor 1 and digital servo valve, install Increment Type Digital Hydraulic electric transducer 4 additional; Gather rotation signal and feed back to digital servo valve; Drive motor 13 changes sense of rotation, rotating speed or corner, the outflow direction and the discharge of control high-pressure liquid, and then sense of rotation, rotating speed or the corner of control motor 1.This Increment Type Digital Hydraulic electric transducer 4 can also be installed at load one end of motor 1, perhaps is installed at and waits other places in the actuator, to gather rotation signal.
As shown in Figure 2, the digital oil hydraulic motor of present embodiment comprises motor 1, digital servo valve; Said digital servo valve has drive motor 13, and said motor 1 has two shafts, and an end is equipped with the Increment Type Digital Hydraulic sensor 4 that is used for the electricity feedback, and the other end is connected with load, and said digital servo valve rotates through the said motor 1 of said drive motor 13 drive controlling.
Compare with embodiment 1; Difference is between motor 1 and the digital servo valve that direct mechanical is not connected; Be to send into intelligent controller through the electricity feedback of Increment Type Digital Hydraulic electric transducer 4 signals; Controlling and driving motor 13 constitutes the oil hydraulic motor of high precision closed loop control again, and drive motor 13 control figure valve core of servo valve 8 move axially, thus rotating speed, corner and the sense of rotation etc. of the outflow of control high-pressure liquid and then control motor 1.If do not install the digital oil hydraulic motor that Increment Type Digital Hydraulic electric transducer 4 has promptly constituted open loop control additional.Said Increment Type Digital Hydraulic electric transducer 4 can also be installed at the corner of direct control executing mechanism in the actuator.
As shown in Figure 3; The digital oil hydraulic motor of present embodiment; Compare with embodiment 2, an end of digital servo valve also adds feedback motor 14, can constitute the digital oil hydraulic motor of the soft feedback of closed loop thus automatically; The rotation signal of feedback can directly feed back to digital servo valve, and does not need to pass through computer again.This feedback motor 14 can be actuating motor or stepper motor etc., and it can adopt identical motor with drive motor, also can be different motors.
Claims (10)
1. a digital oil hydraulic motor is characterized in that, comprises motor, digital servo valve; Said digital servo valve has drive motor, and said motor has two shafts, and an end is connected with the resetting shaft of said digital servo valve, and the other end is connected with load, constitutes mechanical closed loop, and said digital servo valve is controlled said revolution through said drive motor drives.
2. digital oil hydraulic motor according to claim 1 is characterized in that, said motor one end is connected with the resetting shaft of said digital servo valve through the digital electrical sensor.
3. digital oil hydraulic motor according to claim 2; It is characterized in that; Said digital servo valve comprises valve body, spool, nut sleeve and drive motor, and said valve body has the high-pressure liquid mouth, and said spool is located in the valve body and is provided with the step that two or more are used to separate said high-pressure liquid mouth; Said spool one side is provided with the screw thread screw thread; This screw thread screw thread cooperates with said nut sleeve, and said nut sleeve is axially fixed on the said valve body, and said spool and said nut sleeve relatively rotate the said spool of drive and move axially.
4. digital oil hydraulic motor according to claim 3; It is characterized in that; Said high-pressure liquid mouth comprises high-pressure liquid inlet, high-pressure liquid outlet and return opening; High-pressure liquid gets between the step of said spool through said high-pressure liquid inlet, and moves axially from said high-pressure liquid outlet with spool and to flow to motor, and the oil that returns from motor returns fuel tank through return opening.
5. digital oil hydraulic motor according to claim 4; It is characterized in that; Said high-pressure liquid outlet comprises outlet of first high-pressure liquid and the outlet of second high-pressure liquid that is connected with the motor oiler respectively, and said motor positive and negative direction axial rotation is controlled in said first high-pressure liquid outlet and the outlet of second high-pressure liquid respectively.
6. a digital oil hydraulic motor is characterized in that, comprises motor, digital servo valve; Said digital servo valve has drive motor, and said motor has two shafts, and an end is equipped with the digital transducer that is used for the electricity feedback, and the other end is connected with load, and said digital servo valve is controlled said revolution through said drive motor drives.
7. digital oil hydraulic motor according to claim 6 is characterized in that, said digital servo valve one end is provided with the feedback motor that is used for soft feedback.
8. digital oil hydraulic motor according to claim 7; It is characterized in that; Said digital servo valve comprises valve body, spool, nut sleeve and drive motor, and said valve body has the high-pressure liquid mouth, and said spool is located in the valve body and is provided with the step that two or more are used to separate said high-pressure liquid mouth; Said spool one side is provided with the screw thread screw thread; This screw thread screw thread cooperates with said nut sleeve, and said nut sleeve is axially fixed on the said valve body, and said spool and said nut sleeve relatively rotate the said spool of drive and move axially.
9. digital oil hydraulic motor according to claim 8; It is characterized in that; Said high-pressure liquid mouth comprises high-pressure liquid inlet, high-pressure liquid outlet and return opening; High-pressure liquid gets between the step of said spool through said high-pressure liquid inlet, and moves axially from said high-pressure liquid outlet with spool and to flow to motor, and the oil that returns from motor returns fuel tank through return opening.
10. digital oil hydraulic motor according to claim 9; It is characterized in that; Said high-pressure liquid outlet comprises outlet of first high-pressure liquid and the outlet of second high-pressure liquid that is connected with the motor oiler respectively, and said motor positive and negative direction axial rotation is controlled in said first high-pressure liquid outlet and the outlet of second high-pressure liquid respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200276431U CN202418080U (en) | 2012-01-20 | 2012-01-20 | Digital hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200276431U CN202418080U (en) | 2012-01-20 | 2012-01-20 | Digital hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202418080U true CN202418080U (en) | 2012-09-05 |
Family
ID=46742850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200276431U Expired - Fee Related CN202418080U (en) | 2012-01-20 | 2012-01-20 | Digital hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202418080U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216478A (en) * | 2012-01-20 | 2013-07-24 | 杨世祥 | Digital hydraulic motor |
| CN104535327A (en) * | 2015-01-04 | 2015-04-22 | 巢湖学院 | Parameter recognizing method of servo valve control motor device |
-
2012
- 2012-01-20 CN CN2012200276431U patent/CN202418080U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216478A (en) * | 2012-01-20 | 2013-07-24 | 杨世祥 | Digital hydraulic motor |
| CN103216478B (en) * | 2012-01-20 | 2016-04-13 | 杨世祥 | A kind of digital hydraulic motor |
| CN104535327A (en) * | 2015-01-04 | 2015-04-22 | 巢湖学院 | Parameter recognizing method of servo valve control motor device |
| CN104535327B (en) * | 2015-01-04 | 2017-04-26 | 巢湖学院 | Parameter recognizing method of servo valve control motor device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103216478A (en) | Digital hydraulic motor | |
| CN201943570U (en) | Upper-part rotation speed-limiting device for rotary drilling rig | |
| CN102635582A (en) | High-pressure high-flow alternating-current servo direct-driven threaded flow valve | |
| CN108442379A (en) | A kind of grouting pressure control device | |
| CN202418080U (en) | Digital hydraulic motor | |
| CN202418077U (en) | Motor-driven servo valve | |
| CN201344166Y (en) | Device for driving and controlling precise travel of hydraulic cylinder | |
| CN201394494Y (en) | Full-electric control roll gap adjusting device for pulverizer | |
| CN206539544U (en) | A kind of servo-pump control hydraulic linear drive system of single-motor double pump | |
| CN111425654B (en) | Manual reset large-torque disc type motor driving straight stroke type cut-off executing device | |
| CN108194454A (en) | A kind of oil pump and oil cylinder integrated apparatus of AC servomotor driving | |
| CN203594061U (en) | Rotation hydraulic control device of excavator movable arm platform | |
| CN106300884A (en) | Permanent magnet clutching type speed regulator | |
| CN205207295U (en) | Servo pump control hydraulic pressure straight line actuating system | |
| CN103178762A (en) | Stroke-controllable actuating device | |
| CN202468510U (en) | Plug-in flow servo valve driven by motor | |
| CN104579027A (en) | High-redundancy integrated tri-redundancy electromechanical servo mechanism | |
| CN204175690U (en) | Number switch proportion expression electro-control converter | |
| CN202441957U (en) | Electric hydraulic valve control device and electric hydraulic valve and engineering machinery | |
| CN202326540U (en) | Variable frequency control hydraulic driving system | |
| CN207059308U (en) | A kind of energy-save oil press oil feeding line | |
| CN201874923U (en) | Electro-hydraulic actuator | |
| CN208219653U (en) | A kind of grouting pressure control device | |
| CN203230641U (en) | High-emission open-type hydraulic system of non-excavation horizontal directional drilling machine | |
| CN203130678U (en) | Hydraulic electric combined control system of horizontal directional drilling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Tianjin billion Bo Digital Equipment Technology Co. Assignor: Yang Shixiang|Yang Tao|Yang Fan|Li Guiying Contract record no.: 2014120000120 Denomination of utility model: Digital hydraulic motor Granted publication date: 20120905 License type: Exclusive License Record date: 20141230 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20180120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |