CN207018301U - Electrohydraulic servo motor shock-testing platform - Google Patents
Electrohydraulic servo motor shock-testing platform Download PDFInfo
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- CN207018301U CN207018301U CN201720842526.3U CN201720842526U CN207018301U CN 207018301 U CN207018301 U CN 207018301U CN 201720842526 U CN201720842526 U CN 201720842526U CN 207018301 U CN207018301 U CN 207018301U
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- valve
- pump group
- servo motor
- testing platform
- electrohydraulic servo
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Abstract
The utility model discloses a kind of electrohydraulic servo motor shock-testing platform, including the servomotor pump group and hydraulic system to be tested in frame and setting frame, hydraulic system includes main fuel tank, main test valve block, water cooler, main test valve block includes solenoid directional control valve, test load cylinder, the loading electromagnetic relief valve being arranged on oil return line and the system electromagnetic relief valve being arranged between working connection and oil return line, the inlet port of servomotor pump group to be measured is connected by butterfly valve with main fuel tank, the main test valve block of oil-out connection of servomotor pump group to be measured, which enters test valve group, to be tested.The utility model is simple in construction, can test impact resistance ability under servomotor load-carrying ability and different loads.
Description
Technical field
It the utility model is related to a kind of testboard, more particularly to a kind of electrohydraulic servo motor shock-testing platform.
Background technology
At present due to the complication of plant equipment, the features such as diversity.People favor hydraulic servo very much, and it can be realized
Elaborate position controls, and can realize various complicated actions.It is that conventional hydraulic is difficult to reach.But traditional hydraulic servo system
System adds servo valve and servo-cylinder to realize by hydraulic system.Although servo-controlled various requirement can be met.But its
Energy consumption is bigger, noise is big, heating is severe.Therefore the utility model provides new electro-hydraulic servo.It is characterized according to action
It is required that various complicated action controls can be met.Its energy-conservation is very good, and system heat generation is few, and noise is small.Electro-hydraulic servo is
Special servo motor+crescent gear pump composition.The utility model can be tested the servomotor of electro-hydraulic servo, can be to servo
Impact resistance ability is tested under motor load ability and different loads.Traditional servo electric machines test means have been filled up, have allowed tradition
Servomotor is more used in oil system, meets the requirement of electro-hydraulic servo.
Utility model content
The utility model is in order to solve the defects of prior art is present, there is provided it is a kind of it is simple in construction, servomotor can be tested
The electrohydraulic servo motor shock-testing platform of impact resistance ability under load-carrying ability and different loads.
The utility model is achieved through the following technical solutions：
A kind of electrohydraulic servo motor shock-testing platform, including frame and set frame on servomotor pump group to be tested and
Hydraulic system, hydraulic system include main fuel tank, main test valve block, water cooler, and main test valve block includes solenoid directional control valve, test
With load cylinder, the loading electromagnetic relief valve being arranged on oil return line and the system use being arranged between working connection and oil return line
Electromagnetic relief valve, the inlet port of servomotor pump group to be measured are connected by butterfly valve with main fuel tank, and servomotor pump group to be measured goes out
The main test valve block connection of hydraulic fluid port connection enters main test valve group.
Further, the hydraulic system also includes pressure gauge, is respectively arranged on the servomotor pump group to be tested
First pressure table between the solenoid directional control valve, between the test load cylinder and the loading electromagnetic relief valve
Second pressure gauge, detect oil return circuit on pressure, be arranged on the pressure gauge of loading electromagnetic relief valve exit the 3rd.
Further, in addition to auxiliary oil pumping motor pump group and auxiliary hydraulic system, auxiliary hydraulic system include auxiliary oil
Case and return filter, the oil inlet of auxiliary oil pumping motor pump group are connected with service tank, aid in the fuel-displaced of oil pumping motor pump group
Mouth is connected by return filter with the main fuel tank.
Further, the service tank is provided with liquid-level switch.
Further, the solenoid directional control valve is three-position four-way electromagnetic directional valve.
Further, the servomotor pump group to be tested is arranged on cast iron platform.
Further, the inlet port of the servomotor pump group to be tested is connected by oil suction transitional module and the main fuel tank
Connect.
Further, the main fuel tank is provided with electric contact thermometer.
Further, the main fuel tank is provided with air cleaner.
Further, the bottom of the frame is provided with heavy pin cup.
The utility model beneficial effect：The utility model discloses a kind of electrohydraulic servo motor shock-testing platform, including machine
Servomotor pump group and hydraulic system to be tested on frame and setting frame, hydraulic system include main fuel tank, main test valve block, water
Cooler, main test valve block include solenoid directional control valve, test load cylinder, the loading electromagnetism overflow being arranged on oil return line
Valve and the system electromagnetic relief valve being arranged between working connection and oil return line, the inlet port of servomotor pump group to be measured pass through butterfly
Valve is connected with main fuel tank, and the main test valve block of oil-out connection of servomotor pump group to be measured enters main test valve group, and passes through water
Cooler flows back to main fuel tank.The utility model heating is few, and noise is small, is impacted under different loads for testing servomotor
Performance.
Brief description of the drawings
Fig. 1 is the utility model electrohydraulic servo motor shock-testing platform main structure diagram；
Fig. 2 is the utility model electrohydraulic servo motor shock-testing platform backsight internal structure schematic diagram；
Fig. 3 is the utility model electrohydraulic servo motor shock-testing platform dimensional structure diagram；
Fig. 4 is the utility model electrohydraulic servo motor shock-testing platform hydraulic system principle figure.
Wherein：1- servomotor pump groups to be tested, 2- frames, 3- heavy type pin cups, 4- service tanks, the main test valve blocks of 5-,
6- pressure gauges, 7- solenoid directional control valves, 8- loading electromagnetic relief valves, 9- system electromagnetic relief valves, 10- main fuel tanks, 11- auxiliary
Oil pumping motor pump group, 12- butterfly valves, 13- water coolers, 14- test load cylinders, 15- liquid-level switches, 16- oil suction transition valves
Block, 17- return filters, 18- electric contact thermometers, 19- air cleaners, 20- cast iron platforms.
Embodiment
As shown in Figures 1 to 4, a kind of electrohydraulic servo motor shock-testing platform, including frame 2 and set frame 2 on it is to be measured
Examination servomotor pump group 1 and hydraulic system, the bottom of frame 2 are provided with heavy pin cup 3.Hydraulic system includes main fuel tank 10, main test
Valve block 5, water cooler 13, main test valve block 5 include solenoid directional control valve 7, test load cylinder 14, are arranged on oil return line
Loading electromagnetic relief valve 8 and the system electromagnetic relief valve 9 being arranged between working connection and oil return line, solenoid directional control valve 7 are
Three-position four-way electromagnetic directional valve.The inlet port of servomotor pump group 1 to be measured passes through oil suction transitional module 16, butterfly valve 12 and main fuel tank
10 connections, the main test valve block 5 of oil-out connection of servomotor pump group 1 to be measured are simultaneously connected by water cooler 13 and main fuel tank 10
Connect.
The present embodiment, hydraulic system also include pressure gauge 6, are respectively arranged on servomotor pump group 1 to be tested and electromagnetism
The second pressure gauge between electromagnetic relief valve 8 is used in first pressure table 61 between reversal valve 7, test with load cylinder 14 and loading
62, the loading outlet of electromagnetic relief valve 8 and the 3rd pressure gauge 63 of system oil return oil circuit.
The present embodiment, in addition to auxiliary oil pumping motor pump group 11 and auxiliary hydraulic system, auxiliary hydraulic system include auxiliary
Fuel tank 4 and return filter 17, the oil inlet of auxiliary oil pumping motor pump group 11 are connected with service tank 4, aid in oil pumping motor pump
The oil-out of group 11 is connected by return filter 17 with main fuel tank 10.Service tank 4 is provided with liquid-level switch 15.
The utility model main fuel tank 10 is provided with electric contact thermometer 18 and air cleaner 19, servomotor pump to be tested
Group 1 is arranged on cast iron platform 20.
Wherein, electrohydraulic servo motor pump group 1 to be measured：This equipment is to have used the performance of test electrohydraulic servo motor pump group.
It is arranged on above cast iron platform 20, and cast iron platform 20 has T-slot above, disclosure satisfy that 13KW~110KW different servo motors
The requirement of runners.Can very easily adjusting foot stand installation site.The large carrying capacity of cast iron platform 20 and it is unlikely to deform.
Frame 2：Frame 2 is the pedestal for installing all parts.The equipment rack 2 divides operating space, panel and element peace
Fill support etc..Operating space is used to install testing element, and panel is used to place instrument and valve block interface etc..
Heavy pin cup 3：Heavy pin cup 3 is arranged on the bottom of frame 2, and it has screw rod above, can adjust the height of pin cup,
Ensure that frame 2 contacts with ground.Soft rubber pad is arranged at the bottom of pin cup 3 simultaneously, effective to absorb caused vibration when machine is run.
Service tank 4：It is placed on oil pump that head, and the top of service tank 4 is oil drain pan, oil when facilitating the measured piece to take over
Flow in equipment service tank, recycling prevents from polluting environment.And after fluid flows into oil drain pan, pass through food tray aperture (aperture
It is to place outside bits to enter fuel tank) enter service tank 4.Liquid-level switch 15 is provided with service tank 4, when service tank 4
Fluid completely rear liquid-level switch 15 in the inside, which is connected, provides electric signal.It is automatically controlled to receive the signal, start stand-by motor pump group 11, will be auxiliary
Oil in fuel tank 4 is helped to be pumped into main fuel tank 10.Entering return filter 17 enters main fuel tank simultaneously.Return filter 17 be ensure into
Enter the fluid cleaning of main fuel tank 10.
Main test valve block 5：Hydraulic Elements are integrated, realize its test function.
Pressure gauge 6：For detecting and observing system pressure.
Solenoid directional control valve 7：Solenoid directional control valve 7 is for controlling the sweeping action of test load cylinder 14.
Electromagnetic relief valve 8 is used in loading：Electromagnetic relief valve 8 is used in loading, and as shown in schematic diagram, it is arranged on oil return circuit.
When loading electromagnetic relief valve 8 is opened, oil return produces back pressure.Make the oil return of test load cylinder 14 with pressure.Make test loading oil
Cylinder 14 has load running in running.When test under the bringing onto load of load cylinder 14 with running, negative valve is broken suddenly, and test, which is used, to be added
Carry the load of oil cylinder 14 to suddenly disappear, at this time system can produce impact.The performance of servomotor under impact can be observed simultaneously.
System electromagnetic relief valve 9：System plays a part of safety valve and pressure regulator valve in systems with electromagnetic relief valve 9.
As shown in schematic diagram, the system is mounted between working connection and oil return circuit with electromagnetic relief valve 9.When pressure is beyond setting pressure
Wait, the overflow valve opens overflow, and system pressure is stable in valve setting pressure position.System pressure does not also function to safety in rising
The effect of valve
Main fuel tank 10：Main fuel tank 10 is to play a part of oil in reserve.Servomotor pump group 1 is tested from the oil suction of main fuel tank 10
Into main test valve block 5, test load cylinder 14 is controlled to run by solenoid directional control valve 7.18 electricity are provided with main fuel tank 10
Contact temperature table and air cleaner 19, electric contact thermometer 18 can detect the temperature of fuel tank fluid, prevent high oil temperature.It is empty
Air cleaner 19 is the oil filler and pneumostome as main fuel tank 10.Main fuel tank 10 and tested servomotor pump group 1 it
Between be provided with butterfly valve 12.The butterfly valve 12 can be closed butterfly valve 12 untapped when in this place, prevents the oil of fuel tank from falling
Fill.Water cooler 13：Hydraulic oil can pass through overflow valve overflow in system, and overflow portion energy loss is converted into heat.At this time
To meet that whole system reaches thermal balance, system high oil temperature is not allowed to damage Hydraulic Elements, system need to increase water cooler cooling
The fluid of system heat generation.System oil overheating is prevented, protects Hydraulic Elements.
This electrohydraulic servo motor testboard course of work：Electrohydraulic servo motor pump group 1 to be tested is arranged on cast iron platform
On 20, oil pump suction is connected with oil suction transition valve block 16, fuel pump outlet is connected with main valve block 5, open 12 dish valves, this calibration
Standby work is ready for.Next begin to test.Start servomotor, set up to the rotating speed to be tested.Regulating system
The system pressure that need to be tested is set with electromagnetic relief valve 9.After parameter is all set.Start the push to test of solenoid directional control valve 7 to use
Load cylinder 14 moves back and forth.Solenoid directional control valve 7 does start and stop campaign simultaneously, observes the change of pressure gauge 6, is impacted when recording start and stop
Pressure.The gradually load of increase oil cylinder again, regulation loading electromagnetic relief valve 8, gradually increase and carry out the record of correlation.And observe
The performance that servomotor impacts under different loads.
The technical scheme provided above utility model embodiment is described in detail, used herein specifically individual
Example is set forth to the principle and embodiment of the utility model embodiment, and the explanation of above example is only applicable to help
Understand the principle of the utility model embodiment；Meanwhile for those of ordinary skill in the art, implement according to the utility model
Example, the there will be changes in embodiment and application, in summary, this specification content should not be construed as
Limitation to utility model.
Claims (10)
- A kind of 1. electrohydraulic servo motor shock-testing platform, it is characterised in that：Including the servo to be tested in frame and setting frame Motor pump group and hydraulic system, hydraulic system include main fuel tank, main test valve block, water cooler, and main test valve block includes electromagnetism Reversal valve, test load cylinder, the loading electromagnetic relief valve being arranged on oil return line and it is arranged at working connection and oil return line Between system electromagnetic relief valve, the inlet port of servomotor pump group to be measured is connected by butterfly valve with main fuel tank, servo to be measured The main test valve block of oil-out connection of motor pump group, which enters test valve group, to be tested.
- 2. electrohydraulic servo motor shock-testing platform according to claim 1, it is characterised in that：The hydraulic system also includes Pressure gauge, the first pressure table being respectively arranged between the servomotor pump group to be tested and the solenoid directional control valve, institute The second pressure gauge between test load cylinder and the loading electromagnetic relief valve is stated, and is pressed for detecting on oil return circuit Power, it is arranged on the 3rd pressure gauge in loading electromagnetic relief valve exit.
- 3. electrohydraulic servo motor shock-testing platform according to claim 1, it is characterised in that：Also include auxiliary oil pumping motor Pump group and auxiliary hydraulic system, auxiliary hydraulic system include service tank and return filter, and auxiliary oil pumping motor pump group is entered Hydraulic fluid port is connected with service tank, and the oil-out of auxiliary oil pumping motor pump group is connected by return filter with the main fuel tank.
- 4. electrohydraulic servo motor shock-testing platform according to claim 3, it is characterised in that：The service tank is provided with Liquid-level switch.
- 5. electrohydraulic servo motor shock-testing platform according to claim 1, it is characterised in that：The solenoid directional control valve is three Position four-way electromagnetic reversing valve.
- 6. electrohydraulic servo motor shock-testing platform according to claim 1, it is characterised in that：The servomotor to be tested Pump group is arranged on cast iron platform.
- 7. electrohydraulic servo motor shock-testing platform according to claim 1, it is characterised in that：The servomotor to be tested The inlet port of pump group is connected by oil suction transitional module with the main fuel tank.
- 8. electrohydraulic servo motor shock-testing platform according to claim 1, it is characterised in that：The main fuel tank is provided with electricity Contact temperature table.
- 9. electrohydraulic servo motor shock-testing platform according to claim 1, it is characterised in that：The main fuel tank is provided with sky Air cleaner.
- 10. electrohydraulic servo motor shock-testing platform according to claim 1, it is characterised in that：The bottom of the frame is provided with Heavy pin cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720842526.3U CN207018301U (en) | 2017-07-12 | 2017-07-12 | Electrohydraulic servo motor shock-testing platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720842526.3U CN207018301U (en) | 2017-07-12 | 2017-07-12 | Electrohydraulic servo motor shock-testing platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207018301U true CN207018301U (en) | 2018-02-16 |
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ID=61484435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720842526.3U Active CN207018301U (en) | 2017-07-12 | 2017-07-12 | Electrohydraulic servo motor shock-testing platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207018301U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115306793A (en) * | 2022-07-08 | 2022-11-08 | 湖南普拓智能装备有限公司 | Hydraulic test equipment |
-
2017
- 2017-07-12 CN CN201720842526.3U patent/CN207018301U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115306793A (en) * | 2022-07-08 | 2022-11-08 | 湖南普拓智能装备有限公司 | Hydraulic test equipment |
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