CN202579458U - Device for testing traveling motor - Google Patents
Device for testing traveling motor Download PDFInfo
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- CN202579458U CN202579458U CN 201220169974 CN201220169974U CN202579458U CN 202579458 U CN202579458 U CN 202579458U CN 201220169974 CN201220169974 CN 201220169974 CN 201220169974 U CN201220169974 U CN 201220169974U CN 202579458 U CN202579458 U CN 202579458U
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Abstract
The utility model relates to a device for testing a traveling motor. The device comprises a load pump, a tested motor and a hydraulic and power device connected with the load pump, wherein the hydraulic and power device comprises a power hydraulic loop, an oil supply loop, a loading hydraulic loop, a speed change hydraulic loop and a leakage hydraulic loop; the power hydraulic loop and the speed change hydraulic loop are connected with the tested motor; the oil supply hydraulic loop and the loading hydraulic loop are connected with the load pump; and leaked oil of the load pump and leaked oil of the tested motor flow back into an oil tank through the leakage hydraulic loop. By the device for testing the traveling motor, various performance parameters of the tested motor can be accurately tested; and according to a requirement on a durability test, a test aim can be fulfilled.
Description
Technical field
The utility model relates to a kind of hydraulic test equipment, relates in particular to the testing installation of the performance and the durability of testing hydraulic running motor.
Background technique
The hydraulic moving motor is a very important constituent element in the tracked construction equipment such as hydraulic shovel, is used for the walking function of performance of work machinery.The hydraulic moving motor has two kinds of output states of low speed and high speed, and its performance directly has influence on the travelling comfort of locomotor activity, efficient and the operation of these engineering machinery.A kind of testing apparatus of hydraulic moving motor need be provided, so that the performance of testing hydraulic running motor and durability accurately and effectively.
The model utility content
The utility model technical problem to be solved is to provide a kind of testing apparatus of running motor, through this device, the various performance parameters and the durability of testing hydraulic running motor accurately and effectively.
A kind of running motor testing apparatus; Comprise load pump and test motor; Comprise hydraulic pressure and power plant; Said hydraulic pressure and power plant comprise dynamicliquid pressure loop, fuel feeding oil hydraulic circuit, load oil hydraulic circuit, compensator pressure loop, leakage fluid hydraulic circuit; Said dynamicliquid pressure loop is connected with said test motor with the compensator pressure loop, and the fuel feeding oil hydraulic circuit is connected said load pump with the loading oil hydraulic circuit, and the leakage oil of said load pump and said test motor flows back to fuel tank through the spill hydraulic circuit.
Said dynamicliquid pressure loop comprises first oil hydraulic pump, first motor, frequency variator, first one-way valve, first relief valve, first solenoid directional control valve, test motor; First filter, first flow meter; Said first motor of said Frequency Converter Control; The output shaft of said first motor is connected with the input shaft of said first oil hydraulic pump; The said first hydraulic pressure delivery side of pump is connected with the filler opening of said first relief valve and said first solenoid directional control valve through said first one-way valve simultaneously; The output terminal of said first solenoid directional control valve is connected with delivery outlet with said test motor inlet opening respectively with input end, and the oil outlet of said first solenoid directional control valve is connected with said loading oil hydraulic circuit with the first flow meter through first filter, and the inlet opening of said test motor and delivery outlet all are connected with pressure inductor.
Said fuel feeding oil hydraulic circuit comprises second oil hydraulic pump, second motor, second one-way valve, second relief valve, the 3rd one-way valve loop, load pump; The output shaft of said second motor is connected with the input shaft of said second oil hydraulic pump; Four one-way valves are formed said the 3rd one-way valve loop; Said second oil hydraulic pump is connected with said second relief valve with said the 3rd one-way valve loop through said second one-way valve simultaneously; The filler opening of said load pump is connected with said the 3rd one-way valve loop respectively with oil outlet, and the filler opening and the oil outlet of said load pump are equipped with pressure inductor.
Said loading oil hydraulic circuit comprises the 3rd relief valve, cooler, cooling water valve; The entrance point of said cooling water valve, outlet end are connected with said cooler respectively; The oil outlet of cooler is connected with fuel tank; The filler opening of cooler is connected with said dynamicliquid pressure loop with said the 3rd relief valve outlet end simultaneously, and the entrance point of said the 3rd relief valve is connected with said the 3rd one-way valve loop.
Said compensator pressure loop comprises the 3rd oil hydraulic pump, the 3rd motor, the 4th one-way valve, the 4th relief valve, second solenoid directional control valve; The output shaft of said the 3rd motor is connected with the input shaft of said the 3rd oil hydraulic pump; Said the 3rd oil hydraulic pump is connected with the filler opening of said the 4th relief valve and said second solenoid directional control valve through said the 4th one-way valve simultaneously; The said second solenoid directional control valve oil outlet is connected with the speed change mouth of said test motor, and the return opening of said second solenoid valve is connected with fuel tank.
Said leakage fluid hydraulic circuit comprised second filter, second flowmeter, and the internal leakage oil of said test motor is through said second filter and through oil sump tank behind second flowmeter.
Be connected with torque meter between said test motor and the said load pump, be connected with tachometer on the said torque meter.
Adopt the technological scheme of the utility model,, be connected with the test motor with load pump through constituting hydraulic pressure and power plant by dynamicliquid pressure loop, fuel feeding oil hydraulic circuit, loading oil hydraulic circuit, compensator pressure loop and leakage fluid hydraulic circuit.During system works,, just can obtain testing the various performance parameters of motor through pressure inductor, flowmeter, torque meter, tachometer.Through the Collaboration in each loop, can reach the purpose of endurance test.
Description of drawings
Fig. 1 is the systematic schematic diagram of the utility model.
Among the figure: 1-first oil hydraulic pump, 2-first motor, 3-frequency variator, 4-first one-way valve, 5-first relief valve, 6-first solenoid directional control valve; 7-first filter, 8-first flow meter, 9-cooler, 10-cooling water valve, 11-second oil hydraulic pump, 12-the 3rd one-way valve loop; 13-second motor, 14-second one-way valve, 15-second relief valve, 16-second flowmeter, 17-second filter, 18-pressure inductor; 19-the 3rd oil hydraulic pump, 20-the 3rd motor, 21-the 4th one-way valve, 22-the 4th relief valve, 23-second solenoid directional control valve; 24-tests motor, 25-torque meter, 26-load pump, 27-tachometer, 28-the 3rd relief valve.
Embodiment
Fig. 1 is the systematic schematic diagram of the utility model, comprises dynamicliquid pressure loop, fuel feeding oil hydraulic circuit, loads oil hydraulic circuit, compensator pressure loop, leakage fluid hydraulic circuit.
The dynamicliquid pressure loop comprises first oil hydraulic pump 1, first motor 2, frequency variator 3, first one-way valve 4, first relief valve 5, first solenoid directional control valve 6, test motor 24; First filter 7, first flow meter 8; Frequency variator 3 controls first motor 2; The output shaft of first motor 2 is connected with the input shaft of first oil hydraulic pump 1; The output terminal of first oil hydraulic pump 1 is connected with the filler opening of first relief valve 5 and first solenoid directional control valve 6 through first one-way valve 4 simultaneously; The output terminal of first solenoid directional control valve 6 is connected with delivery outlet with test motor inlet opening respectively with input end, and the oil outlet of first solenoid directional control valve 6 is connected with the cooler 9 that loads oil hydraulic circuit with first flow meter 8 through first filter 7, and the inlet opening and the delivery outlet of test motor 24 all are connected with pressure inductor 18.
The fuel feeding oil hydraulic circuit comprises second oil hydraulic pump 11, second motor 13, second one-way valve 14, second relief valve 15, the 3rd one-way valve loop 12, load pump 26; The output shaft of second motor 13 is connected with the input shaft of second oil hydraulic pump 11; Four one-way valves are formed the 3rd one-way valve loop 12; Second oil hydraulic pump 11 is connected with second relief valve 15 with the 3rd one-way valve loop 12 through second one-way valve 14 simultaneously; The filler opening of load pump 26 is connected with the 3rd one-way valve loop 12 respectively with oil outlet, and the filler opening of load pump 26 and oil outlet are equipped with pressure inductor 18.
Load oil hydraulic circuit and comprise the 3rd relief valve 28, cooler 9, cooling water valve 10; The entrance point of cooling water valve 10, outlet end are connected with cooler 9 respectively; The oil outlet of cooler 9 is connected with fuel tank; The filler opening of cooler 9 is connected with first filter 7, the first flow meter 8 in the 3rd relief valve 28 outlet end and dynamicliquid pressure loop simultaneously, and the entrance point of the 3rd relief valve 28 is connected with the 3rd one-way valve loop 12.
The compensator pressure loop comprises the 3rd oil hydraulic pump 19, the 3rd motor 20, the 4th one-way valve 21, the 4th relief valve 22, second solenoid directional control valve 23; The output shaft of the 3rd motor 20 is connected with the input shaft of the 3rd oil hydraulic pump 19; The 3rd oil hydraulic pump 19 is connected with the filler opening of the 4th relief valve 22 and second solenoid directional control valve 23 through the 4th one-way valve 21 simultaneously; Second solenoid directional control valve, 23 oil outlets are connected with the speed change mouth of test motor 24, and the return opening of second solenoid valve 23 is connected with fuel tank.
The leakage fluid hydraulic circuit comprised second filter 17, second flowmeter 16, and the internal leakage oil of test motor 24 is through said second filter and through oil sump tank behind second flowmeter, and the internal leakage oil of load pump 26 directly flows back to fuel tank.
Connect through torque meter 25 between test motor 24 and the load pump 26, tachometer 27 is connected on the torque meter 25.
System is through the pressure of pressure inductor 18 acquisition test motor oil inlet and outlets, through the 8 collection main flows of the first flow meter in the dynamicliquid pressure loop; Second flowmeter 16 through in the spill hydraulic circuit is gathered dredge oil amount; Through the test speed of tachometer 27 collection running motors, gather torque value through torsiometer 25.
The high low speed conversion of test running motor can just can realize through second solenoid directional control valve 23 that switches the compensator pressure loop.The pressure in compensator pressure loop is regulated through the 4th relief valve 22.
The positive and reverse steering of test motor is realized through first solenoid directional control valve 6 that switches in the dynamicliquid pressure loop.
Fuel feeding oil hydraulic circuit fuel feeding, through the 3rd one-way valve loop 12 of bridge type return, the inlet port to load pump 26 carries out repairing all the time.
When carrying out endurance test, start first motor 1, according to the condition of test requirements document, the oil pump capacity of regulating first oil hydraulic pump 1 is controlled the rotating speed of test motor 24.
According to the condition that endurance test requires, regulate the 28 pairs of system loads of the 3rd relief valve that load in the oil hydraulic circuit, make the pressure in the dynamicliquid pressure loop of test motor 24 reach the force value of necessary requirement.
Use the testing apparatus of the running motor that the utility model provides, both the various performance parameters of testing experiment motor accurately and effectively also can reach test objective according to the requirement of endurance test.
Claims (7)
1. running motor testing apparatus; Comprise load pump and test motor; It is characterized in that: comprise hydraulic pressure and power plant; Said hydraulic pressure and power plant comprise dynamicliquid pressure loop, fuel feeding oil hydraulic circuit, load oil hydraulic circuit, compensator pressure loop, leakage fluid hydraulic circuit; Said dynamicliquid pressure loop is connected with said test motor with the compensator pressure loop, and the fuel feeding oil hydraulic circuit is connected said load pump with the loading oil hydraulic circuit, and the leakage oil of said load pump and said test motor flows back to fuel tank through the spill hydraulic circuit.
2. running motor testing apparatus according to claim 1; It is characterized in that: said dynamicliquid pressure loop comprises first oil hydraulic pump, first motor, frequency variator, first one-way valve, first relief valve, first solenoid directional control valve, test motor; First filter, first flow meter; Said first motor of said Frequency Converter Control; The output shaft of said first motor is connected with the input shaft of said first oil hydraulic pump; The said first hydraulic pressure delivery side of pump is connected with the filler opening of said first relief valve and said first solenoid directional control valve through said first one-way valve simultaneously; The output terminal of said first solenoid directional control valve is connected with delivery outlet with said test motor inlet opening respectively with input end, and the oil outlet of said first solenoid directional control valve is connected with said loading oil hydraulic circuit with the first flow meter through first filter, and the inlet opening of said test motor and delivery outlet all are connected with pressure inductor.
3. running motor testing apparatus according to claim 1; It is characterized in that: said fuel feeding oil hydraulic circuit comprises second oil hydraulic pump, second motor, second one-way valve, second relief valve, the 3rd one-way valve loop, load pump; The output shaft of said second motor is connected with the input shaft of said second oil hydraulic pump; Four one-way valves are formed said the 3rd one-way valve loop; Said second oil hydraulic pump is connected with said second relief valve with said the 3rd one-way valve loop through said second one-way valve simultaneously, and the filler opening of said load pump is connected with said the 3rd one-way valve loop respectively with oil outlet, and the filler opening and the oil outlet of said load pump are equipped with pressure inductor.
4. running motor testing apparatus according to claim 1; It is characterized in that: said loading oil hydraulic circuit comprises the 3rd relief valve, cooler, cooling water valve; The entrance point of said cooling water valve, outlet end are connected with said cooler respectively; The oil outlet of cooler is connected with fuel tank, and the filler opening of cooler is connected with said dynamicliquid pressure loop with said the 3rd relief valve outlet end simultaneously, and the entrance point of said the 3rd relief valve is connected with said the 3rd one-way valve loop.
5. running motor testing apparatus according to claim 1; It is characterized in that: said compensator pressure loop comprises the 3rd oil hydraulic pump, the 3rd motor, the 4th one-way valve, the 4th relief valve, second solenoid directional control valve; The output shaft of said the 3rd motor is connected with the input shaft of said the 3rd oil hydraulic pump; Said the 3rd oil hydraulic pump is connected with the filler opening of said the 4th relief valve and said second solenoid directional control valve through said the 4th one-way valve simultaneously; The said second solenoid directional control valve oil outlet is connected with the speed change mouth of said test motor, and the return opening of said second solenoid valve is connected with fuel tank.
6. running motor testing apparatus according to claim 1; It is characterized in that: said leakage fluid hydraulic circuit comprised second filter, second flowmeter, and the internal leakage oil of said test motor is through said second filter and through oil sump tank behind second flowmeter.
7. running motor testing apparatus according to claim 1 is characterized in that: be connected with torque meter between said test motor and the said load pump, be connected with tachometer on the said torque meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220169974 CN202579458U (en) | 2012-04-19 | 2012-04-19 | Device for testing traveling motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220169974 CN202579458U (en) | 2012-04-19 | 2012-04-19 | Device for testing traveling motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202579458U true CN202579458U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220169974 Expired - Lifetime CN202579458U (en) | 2012-04-19 | 2012-04-19 | Device for testing traveling motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN202579458U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511396A (en) * | 2013-09-03 | 2014-01-15 | 燕山大学 | Hydraulic pump and hydraulic motor reliability testing device based on power recovery technology |
| CN103643717A (en) * | 2013-12-13 | 2014-03-19 | 中联重科股份有限公司渭南分公司 | Hydraulic walking test system and test method for hydraulic walking system of excavating machine |
| CN103867532A (en) * | 2014-03-26 | 2014-06-18 | 上海电气液压气动有限公司 | Hydraulic test system of loading motor of railway tamping device |
| CN104088857A (en) * | 2014-07-09 | 2014-10-08 | 浙江三一装备有限公司 | Hydraulic motor overspeed reliability test system |
-
2012
- 2012-04-19 CN CN 201220169974 patent/CN202579458U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511396A (en) * | 2013-09-03 | 2014-01-15 | 燕山大学 | Hydraulic pump and hydraulic motor reliability testing device based on power recovery technology |
| CN103511396B (en) * | 2013-09-03 | 2016-01-20 | 燕山大学 | Based on oil hydraulic pump and the oil hydraulic motor reliability test of power recovery technology |
| CN103643717A (en) * | 2013-12-13 | 2014-03-19 | 中联重科股份有限公司渭南分公司 | Hydraulic walking test system and test method for hydraulic walking system of excavating machine |
| CN103643717B (en) * | 2013-12-13 | 2016-04-06 | 中联重科股份有限公司渭南分公司 | The walking hydraulic test system of excavator and the method for testing of hydraulic travel system thereof |
| CN103867532A (en) * | 2014-03-26 | 2014-06-18 | 上海电气液压气动有限公司 | Hydraulic test system of loading motor of railway tamping device |
| CN104088857A (en) * | 2014-07-09 | 2014-10-08 | 浙江三一装备有限公司 | Hydraulic motor overspeed reliability test 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: 20121205 |