CN202900843U - Oil source for servo motor - Google Patents
Oil source for servo motor Download PDFInfo
- Publication number
- CN202900843U CN202900843U CN 201220552901 CN201220552901U CN202900843U CN 202900843 U CN202900843 U CN 202900843U CN 201220552901 CN201220552901 CN 201220552901 CN 201220552901 U CN201220552901 U CN 201220552901U CN 202900843 U CN202900843 U CN 202900843U
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- CN
- China
- Prior art keywords
- oil
- servo motor
- actuating motor
- engaged gear
- inside engaged
- 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 - Lifetime
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Abstract
The utility model discloses an oil source for a servo motor. The oil source for the servo motor comprises an oil cylinder, an oil sucking and filtering device, an internal meshing gear, a check valve, a solenoid directional valve and the alternating-current servo motor. The oil sucking and filtering device, the internal meshing gear, the check valve, the solenoid directional valve and the oil cylinder are sequentially connected, and the alternating-current servo motor is in mechanical connection with the internal meshing gear for servo control of the rotation speed of the internal meshing gear. According to the oil source for the servo motor, on the premise that the requirement of the servo control of a system is met, the system is high in energy efficiency, and the technical requirements of energy conservation and low carbon are met.
Description
Technical field
The utility model belongs to the hydraulic system technical field, relates to a kind of servo oil sources, relates in particular to a kind of actuating motor oil sources.
Background technique
The oil sources of joining on the hydraulic material testing machine is because its test request generally is servo-system.At present, most of Hydraulic System Principle that adopts comprises oil cylinder 1, servovalve 2, relief valve 3, common electric machine 4, oil-suction oil filter 5, inside engaged gear 6, one-way valve 7 as shown in Figure 1 on the market; Oil-suction oil filter 5, inside engaged gear 6, one-way valve 7, servovalve 2, oil cylinder 1 connect successively, and the loop of oil sources is provided with relief valve 3.
As shown in Figure 1, this system is that common electric machine 4 is power, oil hydraulic cylinder loads with the speed adjusting and finishes by servovalve 2, and there is defective in this hydraulic system: adopt common electric machine, pass through servo valve control, based on this type of oil sources, no matter load variations or oil hydraulic cylinder travelling speed change, the flow of pump does not change, thereby causes energy waste, system's energy efficiency is low, does not meet energy-conservation, low-carbon technology requirement.
In view of this, nowadays in the urgent need to designing a kind of new servo oil sources, so that according to the flow of testing needs change pump, improve the energy efficiency of system.
The model utility content
Technical problem to be solved in the utility model is: a kind of actuating motor oil sources is provided, can improves system's energy efficiency.
For solving the problems of the technologies described above, the utility model adopts following technological scheme:
A kind of actuating motor oil sources comprises: oil cylinder, oil-suction oil filter, inside engaged gear, one-way valve, solenoid directional control valve, AC servo motor; Described oil-suction oil filter, inside engaged gear, one-way valve, solenoid directional control valve, oil cylinder connect successively, AC servo motor and inside engaged gear mechanical connection, the rotating speed of servocontrol inside engaged gear.
As a kind of preferred version of the present utility model, the loop of described actuating motor oil sources is equipped with relief valve, and an end of this relief valve connects pipeline between one-way valve, the solenoid directional control valve by pipeline.
As a kind of preferred version of the present utility model, described oil cylinder is provided with load sensor.
As a kind of preferred version of the present utility model, described oil cylinder is provided with displacement transducer.
As a kind of preferred version of the present utility model, described AC servo motor connects speed reducer, then is fixedly connected with inside engaged gear by coupling.
As a kind of preferred version of the present utility model, described coupling is the mechanical elastic coupling.
The beneficial effects of the utility model are: the actuating motor oil sources that the utility model proposes, according to testing requirement, by the flow that actuating motor control crescent gear pump provides test to need, system's energy efficiency is high, meets technical requirements energy-conservation, low-carbon (LC).
Description of drawings
Fig. 1 is the hydraulic schematic diagram of existing hydraulic material testing machine actuating motor oil sources.
Fig. 2 is the hydraulic schematic diagram of the actuating motor oil sources of the utility model hydraulic material testing machine.
Fig. 3 is motor and oil pump connection diagram.
Fig. 4 is the schematic diagram of hydraulic material testing machine control system.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Embodiment one
See also Fig. 2, the utility model has disclosed a kind of actuating motor oil sources, comprising: oil cylinder 1, relief valve 3, oil-suction oil filter 5, inside engaged gear 6, one-way valve 7, solenoid directional control valve 8, AC servo motor 9, load sensor 10, displacement transducer 11.It is that sensor is used in test that described oil cylinder 1 is provided with described load sensor 10, and displacement transducer 11 is in order to respond to the position of oil cylinder 1 inner carrier.
Described oil-suction oil filter 5, inside engaged gear 6, one-way valve 7, solenoid directional control valve 8, oil cylinder 1 connect successively, AC servo motor 9 and inside engaged gear 6 mechanical connections, the rotating speed of servocontrol inside engaged gear 6.In the present embodiment, as shown in Figure 3, described AC servo motor 9 connects speed reducer 12, then is fixedly connected with inside engaged gear 6 by coupling 13; Described coupling 13 can be the mechanical elastic coupling.
Described actuating motor oil sources can be respectively the oil cylinder fuel feeding of two big or small pressure of difference by a pump housing (inside engaged gear 6), and the small oil tank branch road connects pipeline between one-way valve 7, the solenoid directional control valve 8 by pipeline.In oil-feed place of small oil tank branch road relief valve 3 and series flow control valve are installed; In the present embodiment, relief valve 3 is Superimposed relief valve, and series flow control valve is overlapped speed regulating valve.
The utility model working principle is: the dynamical element at hydraulic power changes AC servo motor into, then with the pump mechanical connection, and rotating speed that can the servocontrol pump, and then output flow that can the servocontrol pump.
In the utility model, alternating current servo motor direct connects retarder in succession, and retarder is connected by the mechanical elasticity coupling with pump, forms the dynamical element part of hydraulic power; By one-way valve, solenoid directional control valve oil supply oil supply cylinder, the loop is equipped with safety overflow valve to hydraulic oil from pump.
See also Fig. 4, the given signal of input in computer (professional test software), signal passes to controller, pass to AC servo motor after calculating conversion by controller again, AC servo motor is exported corresponding rotating speed according to control signal, passes to pump and exports corresponding flow, the work of executive component oil cylinder, and by pressure or displacement transducer output signal being fed back to controller, controller is exported to actuating motor after the control signal of input and feedback signal are recomputated again.Controller is delivered to the Computer display result data to the measurement result data simultaneously.
In sum, the actuating motor oil sources that the utility model proposes, according to testing requirement, by the flow that actuating motor control crescent gear pump provides test to need, system's energy efficiency is high, meets technical requirements energy-conservation, low-carbon (LC).
Here description of the present utility model and application is illustrative, is not to want with scope restriction of the present utility model in the above-described embodiments.Here disclosed embodiment's distortion and change is possible, and the various parts of embodiment's replacement and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that in the situation that does not break away from spirit of the present utility model or substantive characteristics, and the utility model can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.In the situation that does not break away from the utility model scope and spirit, can carry out other distortion and change to disclosed embodiment here.
Claims (6)
1. an actuating motor oil sources is characterized in that, comprising: oil cylinder, oil-suction oil filter, inside engaged gear, one-way valve, solenoid directional control valve, AC servo motor;
Described oil-suction oil filter, inside engaged gear, one-way valve, solenoid directional control valve, oil cylinder connect successively, AC servo motor and inside engaged gear mechanical connection, the rotating speed of servocontrol inside engaged gear.
2. actuating motor oil sources according to claim 1 is characterized in that:
The loop of described actuating motor oil sources is equipped with relief valve, and an end of this relief valve connects pipeline between one-way valve, the solenoid directional control valve by pipeline.
3. actuating motor oil sources according to claim 1 is characterized in that:
Described oil cylinder is provided with load sensor.
4. actuating motor oil sources according to claim 1 is characterized in that:
Described oil cylinder is provided with displacement transducer.
5. actuating motor oil sources according to claim 1 is characterized in that:
Described AC servo motor connects speed reducer, then is fixedly connected with inside engaged gear by coupling.
6. actuating motor oil sources according to claim 5 is characterized in that:
Described coupling is the mechanical elastic coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220552901 CN202900843U (en) | 2012-10-25 | 2012-10-25 | Oil source for servo motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220552901 CN202900843U (en) | 2012-10-25 | 2012-10-25 | Oil source for servo motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202900843U true CN202900843U (en) | 2013-04-24 |
Family
ID=48121519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220552901 Expired - Lifetime CN202900843U (en) | 2012-10-25 | 2012-10-25 | Oil source for servo motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202900843U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772646A (en) * | 2015-03-25 | 2015-07-15 | 续建 | Automatic chip discharging system |
-
2012
- 2012-10-25 CN CN 201220552901 patent/CN202900843U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772646A (en) * | 2015-03-25 | 2015-07-15 | 续建 | Automatic chip discharging system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |