CN211176264U - Lubrication test system for oil flow test of heavy gearbox - Google Patents
Lubrication test system for oil flow test of heavy gearbox Download PDFInfo
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- CN211176264U CN211176264U CN201922034506.5U CN201922034506U CN211176264U CN 211176264 U CN211176264 U CN 211176264U CN 201922034506 U CN201922034506 U CN 201922034506U CN 211176264 U CN211176264 U CN 211176264U
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- heat exchanger
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Abstract
The utility model provides a heavy gearbox oil flow test lubrication test system, its characterized in that includes: the oil receiving disc is arranged above the oil receiving disc, and a bracket for placing a test sample is arranged above the oil receiving disc; the oil receiving disc is provided with an oil outlet channel and is communicated with the oil tank; the input end of the oil outlet pipeline is communicated with the oil tank, and the output end of the oil outlet pipeline is positioned right above the position where the test sample is placed; the oil outlet pipeline is provided with a gear pump, a heater, a heat exchanger, a proportional valve, a pressure sensor, a temperature sensor and a flow sensor. The utility model aims at providing a heavy gearbox oil flow test lubrication test system to prior art's defect, provide powerful data support for new product development design.
Description
Technical Field
The utility model relates to a gearbox test field, concretely relates to experimental lubrication test system of heavy gearbox oil stream.
Background
At present, all laboratories at home and abroad do not need comprehensive tests on the flow, pressure, temperature and the like of an active lubricating system on a gearbox. The volume test mode has larger error, the test result has low precision and single function, and the test requirement can not be met; the flow meter mode has few tests aiming at high and low temperature media at present, and can not simulate the requirements of lubricating oil flow under different working conditions and different working modes of a gearbox. The performance testing device for the multifunctional precise transmission active part lubricating system is in a blank stage in China.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a heavy gearbox oil flow test lubrication test system to prior art's defect, provide powerful data support for new product development design.
The utility model provides a heavy gearbox oil flow test lubrication test system, its characterized in that includes: the oil receiving disc is arranged above the oil receiving disc, and a bracket for placing a test sample is arranged above the oil receiving disc; the oil receiving disc is provided with an oil outlet channel and is communicated with the oil tank; the input end of the oil outlet pipeline is communicated with the oil tank, and the output end of the oil outlet pipeline is positioned right above the position where the test sample is placed; the oil outlet pipeline is provided with a gear pump, a heater, a heat exchanger, a proportional valve, a pressure sensor, a temperature sensor and a flow sensor.
The proportional valve comprises a primary proportional valve and a secondary proportional valve; the gear pump, the heater and the heat exchanger are sequentially arranged along the oil outlet direction; wherein the primary proportional valve is arranged between the heater and the heat exchanger; the second-stage proportional valve is arranged between the output end of the oil outlet pipeline and the heat exchanger.
Among the above-mentioned technical scheme, the oil outlet pipeline that is located between gear pump and the heat exchanger is provided with the branch pipeline of a plurality of parallel distributions, and every branch pipeline is to all being provided with the heater.
The first-stage proportional valve comprises three connectors, wherein the first connector is communicated with the output end of the branch pipeline, the second connector is communicated with the input end of the heat exchanger through an oil outlet pipeline, and the third connector is communicated with the output end of the heat exchanger through an oil outlet pipeline.
The second-stage proportional valve comprises three interfaces, wherein the first interface is communicated with the output end of the heat exchanger through an oil outlet pipeline, the second interface is communicated with the output end of the oil outlet pipeline through the oil outlet pipeline, and the third interface is communicated with the input end of the oil tank through an oil return pipeline.
The pressure sensors comprise two pressure sensors which are respectively arranged in the oil outlet pipeline between the second-stage proportional valve and the heat exchanger and between the output ends of the second-stage proportional valve and the oil outlet pipeline and used for detecting the pressure inside the oil outlet pipeline.
The temperature sensor is arranged between the output ends of the two-stage proportional valve and the oil outlet pipeline and used for detecting the temperature in the oil outlet pipeline.
The flow sensor is arranged between the second-stage proportional valve and the output end of the oil outlet pipeline and used for detecting the flow in the oil outlet pipeline.
In the technical scheme, the oil outlet pipeline control device further comprises a P L C, wherein the input end of the P L C is electrically connected with a pressure sensor, a temperature sensor and a flow sensor respectively, the output end of the P L C is electrically connected with a heater, a proportional valve, a gear pump and a heat exchanger respectively, and the P L C outputs control commands to the heater, the proportional valve, the gear pump and the heat exchanger respectively according to received pressure.
Among the above-mentioned technical scheme, still include the display screen, the input and the output of P L C of display screen are connected, and the display screen is used for showing pressure information, temperature information and flow information in the oil pipeline.
The utility model discloses forced lubrication condition when effectively accurately simulating actual gearbox operation builds one set of heavy gearbox oil stream lubrication test system, passes through mechanism design, system programming, circuit control, the modularization combination cooperation is soft, hardware system adjusts according to the actual test demand, forms closed-loop control and then satisfies the test demand, the utility model discloses oil in the oil tank flows through heater and heat exchanger after passing through the gear pump operation, and it is controllable to carry out control regulation through the proportional valve and realize oil stream temperature flow to through flow sensor, pressure sensor, temperature sensor implement the monitoring and feed back to P L C and pass through various screen real-time supervision, the utility model discloses the integrated level is high, the space is small, and the modularization combination realizes that closed oil circuit circulates, and the volume is little.
Drawings
FIG. 1 is a schematic view of the structure of the present invention
FIG. 2 is a schematic diagram of the control logic of the present invention
The method comprises the following steps of 1-testing a sample, 2-pressure sensor, 3-temperature sensor, 4-flow sensor, 5-secondary proportional valve, 6-pressure sensor, 7-heater, 8-primary proportional valve, 9-oil receiving disc, 10-oil tank, 11-gear pump, 12-heat exchanger, 13-oil outlet pipeline and 14-oil return pipeline.
Detailed Description
The invention will be further described in detail with reference to the drawings and the following detailed description, which are provided for the purpose of clearly understanding the invention and are not intended to limit the invention.
As shown in figure 1, the utility model provides a heavy gearbox oil flow test lubrication test system, including connect food tray 9 and oil tank 10, connect the food tray 9 top to be provided with the support that is used for placing the test sample, connect food tray 9 to be provided with oil channel and communicate with oil tank 10, still include oil outlet pipe 13, the input of oil outlet pipe 13 is linked together with oil tank 10, the output of oil outlet pipe 13 is located the test sample and places the department directly over, be provided with gear pump 11, heater 7, heat exchanger 12, proportional valve, pressure sensor, temperature sensor 3, flow sensor 4 on the oil outlet pipe 13, in the above-mentioned technical scheme, still include P L C, the input of P L C is connected with pressure sensor, temperature sensor 3, flow sensor 4 electricity respectively, the output of P L C is connected with heater 7, proportional valve, gear pump 11, heat exchanger 12 electricity respectively, P L C is according to the pressure information, temperature information and the flow information in the oil outlet pipe 13 that receive, respectively output control command to heater 7, proportional valve, gear pump 11, heat exchanger 12, in order to adjust the oil outlet pipe 13 internal oil pressure, flow and the temperature and flow.
In the above technical solution, the oil pipe further comprises a display screen, an input end of the display screen is electrically connected with an output end of the P L C, and the display screen is used for displaying pressure information, temperature information and flow information in the oil pipe 13
The proportional valve comprises a primary proportional valve 8 and a secondary proportional valve 5; the gear pump 11, the heater 7 and the heat exchanger 12 are sequentially arranged along the oil outlet direction; wherein the primary proportional valve 8 is arranged between the heater 7 and the heat exchanger 12; the two-stage proportional valve 5 is arranged between the output end of the oil outlet pipeline 13 and the heat exchanger 12.
In the above technical solution, the oil outlet pipe 13 between the gear pump 11 and the heat exchanger 12 is provided with a plurality of branch pipes distributed in parallel, and each branch pipe is provided with the heater 7. The oil body is pumped out of the oil tank 10 by the gear pump 11, and the gear pump 11 can control the pressure of the oil body in the oil outlet pipeline 13. The oiler is provided on the oil outlet pipe 13 on the rear side of the gear pump 11. The heaters 7 may be selectively activated one or more according to specific heating requirements.
The first-stage proportional valve 8 comprises three connectors, wherein a first connector 81 of the first-stage proportional valve 8 is communicated with the output end of the branch pipeline, a second connector 82 of the first-stage proportional valve 8 is communicated with the input end of the heat exchanger 12 through the oil outlet pipeline 13, and a third connector 83 of the first-stage proportional valve 8 is communicated with the output end of the heat exchanger 12 through the oil outlet pipeline 13. According to the specific temperature requirement, the second interface or the third interface is selected to be communicated, namely whether the oil body passes through the heat exchanger 12 or not is selected, and the oil body is cooled. The second port is selected to be switched on, and when the third port is switched off, the oil body is cooled through the heat exchanger 12. The third port is selected to be on and when the second port is off, the oil does not pass through the heat exchanger 12. The heat exchanger 12 is provided with a coolant circulation pipe.
The second-stage proportional valve 5 comprises three interfaces, wherein a first interface 51 of the second-stage proportional valve is communicated with the output end of the heat exchanger 12 and a third interface 83 of the first-stage proportional valve 8 through the oil outlet pipeline 13, a second interface 52 of the second-stage proportional valve is communicated with the output end of the oil outlet pipeline 13 through the oil outlet pipeline 13, and a third interface 53 of the second-stage proportional valve is communicated with the input end of the oil tank 10 through the oil return pipeline 14. if P L C needs to control the flow rate of oil bodies in the system, the third interface 53 of the second-stage proportional valve is communicated, so that the oil bodies flow back to the oil tank 10, and the flow rate is adjusted.
The pressure sensors 2/6 include two, set up respectively in the oil outlet pipe 13 between second grade proportional valve 5 and heat exchanger 12 and between the output of second grade proportional valve 5 and oil outlet pipe 13 for detect the inside pressure of oil outlet pipe 13, monitor pressure regulation's demand and second grade proportional valve 5 and carry out the result that pressure regulation carried out. The temperature sensor 3 is arranged between the second-stage proportional valve 5 and the output end of the oil outlet pipeline 13 and used for detecting the temperature in the oil pipeline 13. The flow sensor 4 is arranged between the second-stage proportional valve 5 and the output end of the oil outlet pipeline 13 and used for detecting the flow in the oil pipeline 13.
As shown in FIG. 2, the P L C comprises a P L C programmer and a P L0C expansion module, the pressure sensor, the flow sensor 4 and the temperature sensor 3 monitor the output oil body state information and feed back the information to the P L C expansion module, the P L C expansion module simultaneously receives the working state information of the proportional valve, the P L C expansion module feeds back the state information to the P L C programmer, the P L C programmer processes and analyzes the state information and outputs control commands to the heater 7, the heat exchanger 12, the oil pump and the proportional valve, the P L C programmer simultaneously receives an external passing command through a touch screen and displays the system state information through the touch screen, the P L C converts a digital quantity into an analog quantity through a D/A conversion module to cooperate with an amplifier to control the proportional valve, and the P L C outputs the control commands to relays corresponding to the heater, the pump and the heat exchanger to realize the control of the equipment.
Details not described in this specification are within the skill of the art that are well known to those skilled in the art.
Claims (10)
1. The utility model provides a heavy gearbox oil flow test lubrication test system which characterized in that includes: the oil receiving disc is arranged above the oil receiving disc, and a bracket for placing a test sample is arranged above the oil receiving disc; the oil receiving disc is provided with an oil outlet channel and is communicated with the oil tank; the input end of the oil outlet pipeline is communicated with the oil tank, and the output end of the oil outlet pipeline is positioned right above the position where the test sample is placed; the oil outlet pipeline is provided with a gear pump, a heater, a heat exchanger, a proportional valve, a pressure sensor, a temperature sensor and a flow sensor.
2. The heavy duty transmission oil flow test lubrication test system of claim 1, wherein said proportional valve comprises a primary proportional valve and a secondary proportional valve; the gear pump, the heater and the heat exchanger are sequentially arranged along the oil outlet direction; wherein the primary proportional valve is arranged between the heater and the heat exchanger; the second-stage proportional valve is arranged between the output end of the oil outlet pipeline and the heat exchanger.
3. The heavy duty transmission oil flow test lubrication test system according to claim 2, wherein the oil outlet line between the gear pump and the heat exchanger is provided with a plurality of branch lines distributed in parallel, each branch line being provided with a heater.
4. The heavy duty transmission oil flow test lubrication test system of claim 2, wherein said primary proportional valve includes three ports, a first port communicating with the output of the branch line, a second port communicating with the input of the heat exchanger through an oil outlet line, and a third port communicating with the output of the heat exchanger through an oil outlet line.
5. The heavy duty transmission oil flow test lubrication test system of claim 2, wherein said second stage proportional valve includes three ports, a first port communicating with the output of the heat exchanger, a second port communicating with the output of the oil outlet pipe through the oil outlet pipe, and a third port communicating with the input of the oil tank through the oil return pipe.
6. The heavy duty transmission oil flow test lubrication test system according to claim 5, wherein the pressure sensors include two pressure sensors respectively disposed in the oil outlet pipe between the secondary proportional valve and the heat exchanger and between the secondary proportional valve and the output end of the oil outlet pipe for detecting the pressure inside the oil outlet pipe.
7. The heavy duty transmission oil flow test lubrication test system according to claim 5, wherein a temperature sensor is disposed between the secondary proportional valve and the output end of the oil outlet pipe for sensing the temperature in the oil outlet pipe.
8. The heavy duty transmission oil flow test lubrication test system according to claim 5, wherein a flow sensor is disposed between the secondary proportional valve and the output end of the oil outlet pipeline for detecting the flow in the oil outlet pipeline.
9. The heavy duty transmission oil flow test lubrication test system according to claim 1, further comprising P L C, wherein the input end of the P L C is electrically connected with a pressure sensor, a temperature sensor and a flow sensor respectively, and the output end of the P L C is electrically connected with a heater, a proportional valve, a gear pump and a heat exchanger respectively.
10. The heavy duty transmission oil flow test lubrication test system according to claim 9, further comprising a display screen, wherein an input end of the display screen is electrically connected with an output end of the P L C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922034506.5U CN211176264U (en) | 2019-11-22 | 2019-11-22 | Lubrication test system for oil flow test of heavy gearbox |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922034506.5U CN211176264U (en) | 2019-11-22 | 2019-11-22 | Lubrication test system for oil flow test of heavy gearbox |
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| CN211176264U true CN211176264U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922034506.5U Active CN211176264U (en) | 2019-11-22 | 2019-11-22 | Lubrication test system for oil flow test of heavy gearbox |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963666A (en) * | 2020-08-13 | 2020-11-20 | 常州华创航空科技有限公司 | Multifunctional main speed reducer test bed lubricating system |
-
2019
- 2019-11-22 CN CN201922034506.5U patent/CN211176264U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963666A (en) * | 2020-08-13 | 2020-11-20 | 常州华创航空科技有限公司 | Multifunctional main speed reducer test bed lubricating system |
| CN111963666B (en) * | 2020-08-13 | 2021-08-03 | 常州华创航空科技有限公司 | Multifunctional main speed reducer test bed lubricating system |
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