CN103148998B - Automotive rotary sealing ring testing device and testing method thereof - Google Patents
Automotive rotary sealing ring testing device and testing method thereof Download PDFInfo
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- 238000007789 sealing Methods 0.000 title claims abstract description 20
- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 11
- 239000002828 fuel tank Substances 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
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- 238000002347 injection Methods 0.000 claims description 2
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- 230000005540 biological transmission Effects 0.000 abstract description 6
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- 239000003921 oil Substances 0.000 description 81
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Abstract
本发明属于汽车传动装置的密封工程领域，具体涉及一种评价测试车用旋转密封环性能的试验装置。一种车用旋转密封环实验装置，其技术方案是，它用于测试密封环的性能，它包括：驱动电机、泵、过滤器、油箱、溢流阀、压力传感器A、流量计、扭矩传感器、变频驱动电机、进油套、配油套、压力传感器B、温度传感器、散热冷却装置和用于固定所述进油套的箱体；利用本发明能真实模拟旋转密封环实际工作环境，并能通过调速、调压、控温等手段提供多种不同工况，同时能测试泄漏量和磨损评价密封环性能。
The invention belongs to the field of sealing engineering of automobile transmission devices, and in particular relates to a test device for evaluating and testing the performance of a rotary sealing ring for a vehicle. An experimental device for a rotary sealing ring for a vehicle, its technical proposal is that it is used to test the performance of the sealing ring, and it includes: a drive motor, a pump, a filter, an oil tank, an overflow valve, a pressure sensor A, a flow meter, and a torque sensor , a variable frequency drive motor, an oil inlet sleeve, an oil distribution sleeve, a pressure sensor B, a temperature sensor, a cooling device, and a casing for fixing the oil inlet sleeve; the present invention can truly simulate the actual working environment of the rotary seal ring, and It can provide a variety of different working conditions through speed regulation, pressure regulation, temperature control and other means, and can test the leakage and wear to evaluate the performance of the sealing ring.
Description
技术领域technical field
本发明属于汽车传动装置的密封工程领域，具体涉及一种评价测试车用旋转密封环性能的试验装置及其试验方法。The invention belongs to the field of sealing engineering of automobile transmission devices, and in particular relates to a test device and a test method for evaluating and testing the performance of a rotary seal ring for vehicles.
背景技术Background technique
在车辆传动系统中，旋转密封环用于湿式离合器或制动器的配油装置，是其中的关键密封元件，密封环的性能直接影响着传动装置的整体性能、安全性、可靠性和耐久性。随着车辆传动技术向着高PV值、多工况的方向发展，对旋转密封环的性能也提出了更高的要求，但现有技术中，并没有专门用于测试旋转密封环性能的实验装置。In the vehicle transmission system, the rotary sealing ring is used in the oil distribution device of the wet clutch or brake, and is the key sealing element. The performance of the sealing ring directly affects the overall performance, safety, reliability and durability of the transmission. With the development of vehicle transmission technology in the direction of high PV value and multiple working conditions, higher requirements are put forward for the performance of the rotary seal ring. However, in the prior art, there is no experimental device specially used to test the performance of the rotary seal ring. .
发明内容Contents of the invention
本发明的目的是：提供一种车用旋转密封环试验装置，能真实模拟旋转密封环实际工作环境，并能通过调速、调压、控温等手段提供多种不同工况，同时能测试泄漏量和磨损评价密封环性能。The purpose of the present invention is to provide a test device for a rotary seal ring for vehicles, which can truly simulate the actual working environment of the rotary seal ring, and can provide a variety of different working conditions by means of speed regulation, pressure regulation, temperature control, etc., and can test Leakage and wear evaluate seal ring performance.
本发明的技术方案是：一种车用旋转密封环试验装置，它用于测试密封环的性能，它包括：驱动电机、泵、过滤器、油箱、溢流阀、压力传感器A、流量计、扭矩传感器、变频驱动电机、进油套、配油套、压力传感器B、温度传感器、散热冷却装置和用于固定进油套的箱体；The technical scheme of the present invention is: a kind of vehicle rotary seal ring test device, it is used for testing the performance of seal ring, and it comprises: drive motor, pump, filter, fuel tank, overflow valve, pressure sensor A, flowmeter, Torque sensor, variable frequency drive motor, oil inlet jacket, oil distribution jacket, pressure sensor B, temperature sensor, heat dissipation cooling device and box for fixing oil inlet jacket;
配油套底部的外圆周面上设有环形凸台，中部设有周向的环形凹槽，在周向环形凹槽的两侧设有两个安装槽，两个密封环分别套接在安装槽外围，配油套的头部设有与变频驱动电机转轴连接的花键；There is an annular boss on the outer peripheral surface of the bottom of the oil distribution sleeve, and a circumferential annular groove in the middle. There are two installation grooves on both sides of the circumferential annular groove, and the two sealing rings are respectively sleeved on the installation On the periphery of the groove, the head of the oil distribution sleeve is provided with a spline connected with the shaft of the variable frequency drive motor;
进油套为头部带有环形台的中通柱体结构，其圆周设有径向的通孔；进油套套接在配油套的外围，形成间隙配合；进油套与配油套底部的环形凸台留有间隙，进油套的径向通孔与配油套中部的周向环形凹槽相通；The oil inlet sleeve is a central cylindrical structure with a ring platform on the head, and radial through holes are provided on its circumference; the oil inlet sleeve is sleeved on the periphery of the oil distribution sleeve to form a clearance fit; the oil inlet sleeve and the bottom of the oil distribution sleeve There is a gap in the annular boss, and the radial through hole of the oil inlet sleeve communicates with the circumferential annular groove in the middle of the oil distribution sleeve;
进油套固定在箱体内部，箱体的顶部中央设有开槽，左右两侧设有油路管口，底部设有槽口，槽口处连接流量计；The oil inlet sleeve is fixed inside the box body. There is a slot in the center of the top of the box body. There are oil pipe ports on the left and right sides. There is a notch at the bottom, and the notch is connected to the flow meter;
变频驱动电机的转轴上设有扭矩传感器，转轴穿过箱体顶部中央的开槽与配油套的头部花键连接；There is a torque sensor on the rotating shaft of the variable frequency drive motor, and the rotating shaft passes through the slot in the center of the top of the box and is splined to the head of the oil distribution sleeve;
油箱的出油管路依次连接溢流阀、压力传感器A、温度传感器和散热冷却装置后，穿过箱体一侧的油路管口与进油套上垂直于轴线的通孔花键连接；油箱的回油管路连接温度传感器、压力传感器B后，穿过箱体另一侧的油路管口与进油套上垂直于轴线的通孔花键连接；After the oil outlet pipeline of the oil tank is connected with the overflow valve, pressure sensor A, temperature sensor and cooling device in sequence, it passes through the oil pipe on one side of the tank body and is splined with the through hole perpendicular to the axis of the oil inlet sleeve; the return of the oil tank After the oil pipeline is connected to the temperature sensor and pressure sensor B, it passes through the oil pipeline nozzle on the other side of the tank and is splined to the through hole perpendicular to the axis on the oil inlet sleeve;
驱动电机与泵连接，泵与油箱的出油管路连接。The driving motor is connected with the pump, and the pump is connected with the oil outlet pipeline of the oil tank.
本发明的有益效果是：（1）本发明通过变频驱动电机提供不同的旋转速度，并通过电机油泵并联溢流阀组成单级调压回路改变油腔内压力，从而可以真实模拟车辆传动系统各种不同工作状态。（2）本发明可以替换安装不同内径的配油套，从而保证可以评价测试不同内径结构的密封环性能。（3）本发明通过在油路安装散热冷却装置和各处的温度传感器可以控制并监测系统温度，保证该装置能够长时间稳定工作，进行大量密封环摩擦磨损试验。（4）本发明安装有流量计，可以准确测得泄漏量以评价车用旋转密封环性能。The beneficial effects of the present invention are: (1) The present invention provides different rotational speeds through variable frequency drive motors, and forms a single-stage pressure regulating circuit through motor oil pumps in parallel with overflow valves to change the pressure in the oil chamber, thereby truly simulating the various components of the vehicle transmission system. different working states. (2) The present invention can replace and install oil distribution sleeves with different inner diameters, so as to ensure that the performance of sealing rings with different inner diameter structures can be evaluated and tested. (3) The present invention can control and monitor the temperature of the system by installing a heat dissipation cooling device and temperature sensors in various places in the oil circuit, so as to ensure that the device can work stably for a long time, and conduct a large number of friction and wear tests of sealing rings. (4) The present invention is equipped with a flow meter, which can accurately measure the leakage to evaluate the performance of the rotary sealing ring for vehicles.
附图说明Description of drawings
图1为本发明结构组成示意图；Fig. 1 is the structural composition schematic diagram of the present invention;
其中，1-驱动电机、2-泵、3-过滤器、4-油箱、5-溢流阀、6-压力传感器A、7-流量计、8-扭矩传感器、9-进油套、10-配油套、11-密封环、12-压力传感器B、13-散热冷却装置。Among them, 1-drive motor, 2-pump, 3-filter, 4-oil tank, 5-overflow valve, 6-pressure sensor A, 7-flow meter, 8-torque sensor, 9-oil inlet sleeve, 10- Oil distribution sleeve, 11-sealing ring, 12-pressure sensor B, 13-radiation cooling device.
具体实施方式Detailed ways
参见附图，一种车用旋转密封环试验装置，它用于测试密封环11的性能，它包括：驱动电机1、泵2、过滤器3、油箱4、溢流阀5、压力传感器A6、流量计7、扭矩传感器8、变频驱动电机、进油套9、配油套10、压力传感器B12、温度传感器、散热冷却装置13和用于固定进油套9的箱体；Referring to the accompanying drawings, a vehicle rotary seal ring test device is used to test the performance of the seal ring 11, which includes: drive motor 1, pump 2, filter 3, oil tank 4, overflow valve 5, pressure sensor A6, Flow meter 7, torque sensor 8, variable frequency drive motor, oil inlet jacket 9, oil distribution jacket 10, pressure sensor B12, temperature sensor, heat dissipation cooling device 13 and box for fixing oil inlet jacket 9;
配油套10底部的外圆周面上设有环形凸台，中部设有周向的环形凹槽，在周向环形凹槽的两侧设有两个安装槽，两个密封环11分别套接在安装槽外围，配油套10的头部设有与变频驱动电机转轴连接的花键；An annular boss is provided on the outer peripheral surface of the bottom of the oil distribution sleeve 10, and a circumferential annular groove is provided in the middle. On the periphery of the installation groove, the head of the oil distribution sleeve 10 is provided with a spline connected with the rotating shaft of the variable frequency drive motor;
进油套9为头部带有环形台的中通柱体结构，其圆周设有径向的通孔；进油套9套接在配油套10的外围，形成间隙配合；进油套9与配油套10底部的环形凸台留有间隙，进油套9的径向通孔与配油套10中部的周向环形凹槽相通；The oil inlet sleeve 9 is a central cylinder structure with a ring-shaped platform on the head, and radial through holes are provided on its circumference; the oil inlet sleeve 9 is sleeved on the periphery of the oil distribution sleeve 10 to form a clearance fit; the oil inlet sleeve 9 There is a gap with the annular boss at the bottom of the oil distribution sleeve 10, and the radial through hole of the oil inlet sleeve 9 communicates with the circumferential annular groove in the middle of the oil distribution sleeve 10;
进油套9固定在箱体内部，箱体的顶部中央设有开槽，左右两侧设有油路管口，底部设有槽口，槽口处连接流量计7；The oil inlet sleeve 9 is fixed inside the box body, the top center of the box body is provided with a slot, the left and right sides are provided with oil pipe ports, the bottom is provided with a notch, and the notch is connected to the flow meter 7;
变频驱动电机的转轴上设有扭矩传感器8，转轴穿过箱体顶部中央的开槽与配油套10的头部花键连接；A torque sensor 8 is provided on the rotating shaft of the variable frequency drive motor, and the rotating shaft passes through the slot in the center of the top of the box body and is splined to the head of the oil distribution sleeve 10;
油箱4的出油管路依次连接溢流阀5、压力传感器A6、温度传感器和散热冷却装置13后，穿过箱体一侧的油路管口与进油套9上垂直于轴线的通孔花键连接；油箱4的回油管路连接温度传感器、压力传感器B12后，穿过箱体另一侧的油路管口与进油套9上垂直于轴线的通孔花键连接；After the oil outlet pipeline of the oil tank 4 is connected with the overflow valve 5, the pressure sensor A6, the temperature sensor and the cooling device 13 in sequence, it passes through the oil pipeline nozzle on one side of the tank body and is splined to the through hole perpendicular to the axis on the oil inlet sleeve 9 ; After the oil return line of the oil tank 4 is connected to the temperature sensor and the pressure sensor B12, it passes through the oil line nozzle on the other side of the box body and is splined to the through hole perpendicular to the axis on the oil inlet sleeve 9;
驱动电机1与泵2连接，泵2与油箱4的出油管路连接。The driving motor 1 is connected with the pump 2, and the pump 2 is connected with the oil outlet pipeline of the oil tank 4.
更优的，为了监测油箱4中的温度，在油箱4中设置一个所述温度传感器；More preferably, in order to monitor the temperature in the fuel tank 4, a temperature sensor is set in the fuel tank 4;
试验时，驱动电机1带动泵2从油箱4中吸油，将油注入出油管路与回油管路中，通过读取压力传感器A6的读数与调控溢流阀5，调节出油管路与回油管路中的油压；温度传感器用于监测出油管路与回油管路中的温度，若发现油温过热，则开启散热冷却装置13进行调节；开启变频驱动电机，转轴带动配油套10旋转，出油管路中的油通过进油套9进入到配油套10中部的周向环形凹槽，并通过进油套9与配油套10的间隙流入配油套10的两个安装槽中，安装槽中的密封环11在注入油压力的作用下，向远离中部的周向环形凹槽的方向运动并逐渐胀开，贴在安装槽的一侧对配油套10形成密封；在密封不完全的情况下，油会从安装槽中流出，并通过离心力汇聚到箱体底部，通过箱体底部设置的流量计7，得出泄露量。During the test, the drive motor 1 drives the pump 2 to absorb oil from the oil tank 4, inject the oil into the oil outlet pipeline and the oil return pipeline, and adjust the oil outlet pipeline and the oil return pipeline by reading the reading of the pressure sensor A6 and regulating the overflow valve 5 The oil pressure in the oil; the temperature sensor is used to monitor the temperature in the oil outlet pipeline and the oil return pipeline, if the oil temperature is found to be overheated, then turn on the cooling device 13 for adjustment; turn on the variable frequency drive motor, the rotating shaft drives the oil distribution sleeve 10 to rotate, and the outlet The oil in the oil pipeline enters the circumferential annular groove in the middle of the oil distribution sleeve 10 through the oil inlet sleeve 9, and flows into the two installation grooves of the oil distribution sleeve 10 through the gap between the oil inlet sleeve 9 and the oil distribution sleeve 10. Under the action of oil injection pressure, the sealing ring 11 in the groove moves away from the circumferential annular groove in the middle and expands gradually, and sticks to the side of the installation groove to form a seal for the oil distribution sleeve 10; if the seal is not complete In the case of , the oil will flow out from the installation groove, and gather to the bottom of the box through centrifugal force, and pass the flow meter 7 provided at the bottom of the box to obtain the leakage amount.
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| CN111024329A (en) * | 2019-12-28 | 2020-04-17 | 清华大学 | A high-pressure rotary combined seal performance detection and testing device and method |
| CN111024329B (en) * | 2019-12-28 | 2021-09-07 | 清华大学 | A high-pressure rotary combined seal performance detection and testing device and method |
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| CN103148998A (en) | 2013-06-12 |
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