CN202274990U - Detection device for fatigue endurance test of hydrodynamic torque converter - Google Patents
Detection device for fatigue endurance test of hydrodynamic torque converter Download PDFInfo
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- CN202274990U CN202274990U CN2011203263034U CN201120326303U CN202274990U CN 202274990 U CN202274990 U CN 202274990U CN 2011203263034 U CN2011203263034 U CN 2011203263034U CN 201120326303 U CN201120326303 U CN 201120326303U CN 202274990 U CN202274990 U CN 202274990U
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Abstract
本实用新型揭示了一种液力变矩器疲劳耐久试验的检测设备，所述检测设备包括：液压系统、数据采集系统；所述液压系统通过一根管路连接液力变矩器，该管路既作为进油管路又作为出油管路；所述管路内设有电磁换向阀；所述数据采集系统连接液力变矩器，用以采集液压系统的压力及液力变矩器的形变数据。本实用新型提出的液力变矩器疲劳耐久试验的检测设备，可以对变矩器进行耐压呼吸试验和破坏性试验。另外，通过比例溢流阀调节系统压力，做破坏性试验，系统压力由一兆帕调节到3兆帕，采集压力与被测变矩器形变，试验后分析两者相互函数关系。
The utility model discloses a testing device for the fatigue durability test of a hydraulic torque converter. The testing device includes: a hydraulic system and a data acquisition system; The pipeline serves as both the oil inlet pipeline and the oil outlet pipeline; the pipeline is equipped with an electromagnetic reversing valve; the data acquisition system is connected to the hydraulic torque converter to collect the pressure of the hydraulic system and the torque converter deformation data. The testing equipment for the fatigue durability test of the hydraulic torque converter proposed by the utility model can carry out the pressure-resistant breathing test and the destructive test on the torque converter. In addition, the system pressure is adjusted through the proportional relief valve, and a destructive test is performed. The system pressure is adjusted from 1 MPa to 3 MPa, and the pressure and the measured torque converter deformation are collected. After the test, the mutual function relationship between the two is analyzed.
Description
技术领域 technical field
本实用新型属于设备检测技术领域，涉及一种检测设备，尤其涉及一种液力变矩器疲劳耐久试验的检测设备。The utility model belongs to the technical field of equipment detection and relates to a detection device, in particular to a detection device for a hydraulic torque converter fatigue endurance test.
背景技术 Background technique
液力变矩器是机动车辆实现无级调速的核心传动件，始终在高转速、高扭矩的高负荷工况下连续工作，对可靠性有极高的要求，所以液力变矩器新产品的可靠性评价尤其重要。其中，耐久试验(N/S)和耐压(呼吸)试验是可靠性试验的核心内容。The hydraulic torque converter is the core transmission part of the motor vehicle to realize stepless speed regulation. It always works continuously under high-speed, high-torque and high-load conditions, and has extremely high requirements for reliability. Therefore, the new hydraulic torque converter Product reliability evaluation is particularly important. Among them, endurance test (N/S) and pressure (breathing) test are the core contents of reliability test.
以往国内变矩器厂家若想打入国外市场，必须把自己的产品必须接受出口国家的疲劳耐久试验，要求对变矩器频繁供油，卸荷60万到100万次。检测变矩器是否能承受住这样严格的疲劳试验，检验其寿命。In the past, if domestic torque converter manufacturers wanted to enter the foreign market, they had to submit their products to the fatigue endurance test of the exporting country, requiring frequent oil supply to the torque converter and unloading for 600,000 to 1 million times. Check whether the torque converter can withstand such a rigorous fatigue test and test its life.
实用新型内容 Utility model content
本实用新型所要解决的技术问题是：提供一种液力变矩器疲劳耐久试验的检测设备，可用于液力变矩器的疲劳耐久试验。The technical problem to be solved by the utility model is: to provide a detection device for the fatigue endurance test of the hydraulic torque converter, which can be used for the fatigue endurance test of the hydraulic torque converter.
为解决上述技术问题，本实用新型采用如下技术方案：In order to solve the above technical problems, the utility model adopts the following technical solutions:
一种液力变矩器疲劳耐久试验的检测设备，所述检测设备包括：液压系统、数据采集系统；A detection device for a hydraulic torque converter fatigue durability test, the detection device includes: a hydraulic system, a data acquisition system;
所述液压系统通过一根管路连接液力变矩器，该管路既作为进油管路又作为出油管路；所述管路内设有电磁换向阀；The hydraulic system is connected to the hydraulic torque converter through a pipeline, which serves as both an oil inlet pipeline and an oil outlet pipeline; an electromagnetic reversing valve is arranged in the pipeline;
所述数据采集系统连接液力变矩器，用以采集液压系统的压力及液力变矩器的形变数据。The data acquisition system is connected to the hydraulic torque converter to collect the pressure of the hydraulic system and the deformation data of the hydraulic torque converter.
作为本实用新型的一种优选方案，所述液压系统包括液压站、阀台、电控箱。As a preferred solution of the utility model, the hydraulic system includes a hydraulic station, a valve table, and an electric control box.
作为本实用新型的一种优选方案，所述阀台包括所述电磁换向阀、阀块、压力表、比例溢油阀，所述比例溢油阀用以调节液压系统的压力。As a preferred solution of the utility model, the valve table includes the electromagnetic reversing valve, a valve block, a pressure gauge, and a proportional oil spill valve, and the proportional oil spill valve is used to adjust the pressure of the hydraulic system.
作为本实用新型的一种优选方案，所述数据采集系统包括压力传感器、应变片、电桥调理电路、数据采集卡、计算机；As a preferred solution of the present utility model, the data acquisition system includes a pressure sensor, a strain gauge, a bridge conditioning circuit, a data acquisition card, and a computer;
所述应变片贴于液力变矩器输入导座两端，压力传感器采集数据，经过数据采集卡模数转换，传给计算机，计算机对压力和应变进行拟合。The strain gauges are pasted on both ends of the input guide seat of the hydraulic torque converter, and the pressure sensor collects data, which is converted by the data acquisition card to the computer, and the computer performs fitting to the pressure and strain.
作为本实用新型的一种优选方案，所述检测设备包括机械台架，用以放置液压系统、液力变矩器、数据采集系统。As a preferred solution of the present utility model, the detection equipment includes a mechanical stand for placing a hydraulic system, a hydraulic torque converter, and a data acquisition system.
作为本实用新型的一种优选方案，所述机械台架上放置液力变矩器的表面设置一块有孔的钢板，孔内根据液力变矩器的规格添加炉盖子结构的挡环，使液力变矩器平稳坐落其中。As a preferred solution of the present utility model, a steel plate with a hole is arranged on the surface of the hydraulic torque converter on the mechanical stand, and a retaining ring of the furnace cover structure is added in the hole according to the specification of the hydraulic torque converter, so that The torque converter sits smoothly in it.
作为本实用新型的一种优选方案，所述电磁换向阀为2位4通电磁换向阀。As a preferred solution of the present utility model, the electromagnetic reversing valve is a 2-position, 4-way electromagnetic reversing valve.
本实用新型的有益效果在于：本实用新型提出的液力变矩器疲劳耐久试验的检测设备，可以对变矩器进行耐压呼吸试验和破坏性试验。本实用新型检测设备只有一根管路接到被测液力变矩器，即一根管路即做进油路又做回油路，转换靠2位4通的电磁换向阀实现，要求对变矩器频繁供油，卸荷60万到100万次。检测变矩器是否能承受住这样严格的试验。另外，通过比例溢流阀调节系统压力，做破坏性试验，系统压力由一兆帕调节到3兆帕，采集压力与被测变矩器形变，试验后分析两者相互函数关系。The beneficial effect of the utility model is that: the detection equipment for the fatigue durability test of the hydraulic torque converter proposed by the utility model can carry out the withstand pressure breathing test and the destructive test on the torque converter. The detection equipment of the utility model has only one pipeline connected to the hydraulic torque converter to be tested, that is, one pipeline is used as an oil inlet circuit and an oil return circuit, and the conversion is realized by a 2-position 4-way electromagnetic reversing valve. Frequent oil supply to the torque converter, unloading 600,000 to 1,000,000 times. Check whether the torque converter can withstand such a rigorous test. In addition, the system pressure is adjusted through the proportional relief valve, and a destructive test is performed. The system pressure is adjusted from 1 MPa to 3 MPa, and the pressure and the measured torque converter deformation are collected. After the test, the mutual function relationship between the two is analyzed.
附图说明 Description of drawings
图1为本实用新型检测设备的结构示意图。Fig. 1 is a structural schematic diagram of the detection equipment of the present invention.
具体实施方式 Detailed ways
下面结合附图详细说明本实用新型的优选实施例。Preferred embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings.
实施例一Embodiment one
请参阅图1，本实用新型揭示了一种液力变矩器疲劳耐久试验的检测设备，所述检测设备包括机械台架、液压系统、数据采集系统。Please refer to FIG. 1 , the utility model discloses a testing device for a hydraulic torque converter fatigue endurance test, and the testing device includes a mechanical bench, a hydraulic system, and a data acquisition system.
【机械台架】【Mechanical stand】
机械台架部分主要有铝制型材和钢板拼装而成，型材构成试验台基本骨架；试验台上表面放一块有孔的钢板，孔内可根据不同规格试验变矩器的需要，添加炉盖子结构的挡环，使变矩器平稳坐落其中。既满足了不同型号、不同循环园直径变矩器的测试安放要求，也使得测试原件放置的更平稳。机械台架用以放置液压系统、液力变矩器、数据采集系统。The mechanical bench is mainly composed of aluminum profiles and steel plates. The profiles constitute the basic skeleton of the test bench; a steel plate with a hole is placed on the upper surface of the test bench, and a furnace cover structure can be added in the hole according to the needs of torque converters of different specifications. retaining ring so that the torque converter sits smoothly in it. It not only meets the test placement requirements of torque converters of different models and different circulation circle diameters, but also makes the placement of test originals more stable. The mechanical stand is used to place the hydraulic system, hydraulic torque converter, and data acquisition system.
【液压系统】【Hydraulic system】
所述液压系统包括液压站、阀台、电控箱。The hydraulic system includes a hydraulic station, a valve table, and an electric control box.
所述液压站包括油箱(100L)、无轴电机、变量柱塞泵、液位计、空气滤清器、吸口过滤器、单向阀、回油过滤器、高压油管、低压油管、风冷却器、若干站内管件接头及高低压油管。The hydraulic station includes a fuel tank (100L), a shaftless motor, a variable plunger pump, a liquid level gauge, an air filter, a suction filter, a one-way valve, an oil return filter, a high-pressure oil pipe, a low-pressure oil pipe, and an air cooler , a number of pipe joints in the station and high and low pressure oil pipes.
所述阀台包括高频电磁换向阀、阀块、放大器、压力表、单向节流阀、比例溢油阀，所述比例溢油阀用以调节液压系统的压力。The valve table includes a high-frequency electromagnetic reversing valve, a valve block, an amplifier, a pressure gauge, a one-way throttle valve, and a proportional oil spill valve, and the proportional oil spill valve is used to adjust the pressure of the hydraulic system.
【数据采集系统】【data collection systems】
数据采集系统主要由数据采集卡NI PCI---6221、压力传感器一只、应变片2片、电桥调理电路、电脑组成。应变片贴于变矩器输入导座两端，传感器采集数据，经过采集卡模数转换，传给计算机，在计算机上利用LABVIEW软件对压力和应变进行拟合，绘制函数关系曲线。The data acquisition system is mainly composed of a data acquisition card NI PCI---6221, a pressure sensor, 2 strain gauges, a bridge conditioning circuit, and a computer. The strain gauges are attached to both ends of the input guide seat of the torque converter, and the sensor collects data, which is transferred to the computer through the analog-to-digital conversion of the acquisition card, and the pressure and strain are fitted on the computer using LABVIEW software, and the function relationship curve is drawn.
其中，液压系统较平常的测试系统有所创新，本测试系统只有一根管路接到被测液力变矩器，即一根管路即做进油路又做回油路，转换靠2位4通的电磁换向阀实现，要求对变矩器频繁供油，卸荷60万到100万次。检测变矩器是否能承受住这样严格的试验。Among them, the hydraulic system is more innovative than the usual test system. This test system has only one pipeline connected to the hydraulic torque converter under test, that is, one pipeline is used as the oil inlet circuit and the oil return circuit, and the conversion depends on 2 The 4-way electromagnetic reversing valve is realized, which requires frequent oil supply to the torque converter and unloading 600,000 to 1 million times. Check whether the torque converter can withstand such a rigorous test.
通过比例溢流阀调节系统压力，当被测变矩器在压力冲击下爆掉时，压力继电器给出信号，切断油泵电机，停止供油，减少油液浪费。做破坏性试验，系统压力由一兆帕调节到3兆帕，采集压力与被测变矩器形变，试验后分析两者相互函数关系。The system pressure is regulated through the proportional relief valve. When the measured torque converter explodes under the pressure impact, the pressure relay will give a signal to cut off the oil pump motor, stop the oil supply, and reduce oil waste. Do a destructive test, adjust the system pressure from 1 MPa to 3 MPa, collect the pressure and the deformation of the measured torque converter, and analyze the mutual function relationship between the two after the test.
如图1所示，无轴电机开启，变量泵工作供油，系统压力由比例溢流阀调定。通过NI PCI---6221卡控制压力继电器，电磁换向阀直接由强电控制，换向阀频繁换向每秒换向一次，实现变矩器的供油卸荷转换。As shown in Figure 1, the shaftless motor is turned on, the variable pump works to supply oil, and the system pressure is set by the proportional relief valve. The pressure relay is controlled by the NI PCI---6221 card, the electromagnetic reversing valve is directly controlled by the strong current, and the reversing valve is frequently reversing once per second to realize the oil supply and unloading conversion of the torque converter.
综上所述，本实用新型提出的液力变矩器疲劳耐久试验的检测设备，可以对变矩器进行耐压呼吸试验和破坏性试验。To sum up, the detection equipment for the fatigue endurance test of the hydraulic torque converter proposed by the utility model can carry out the pressure resistance breathing test and the destructive test on the torque converter.
这里本实用新型的描述和应用是说明性的，并非想将本实用新型的范围限制在上述实施例中。这里所披露的实施例的变形和改变是可能的，对于那些本领域的普通技术人员来说实施例的替换和等效的各种部件是公知的。本领域技术人员应该清楚的是，在不脱离本实用新型的精神或本质特征的情况下，本实用新型可以以其它形式、结构、布置、比例，以及用其它组件、材料和部件来实现。在不脱离本实用新型范围和精神的情况下，可以对这里所披露的实施例进行其它变形和改变。The description and application of the present invention here are illustrative, and are not intended to limit the scope of the present invention to the above-mentioned embodiments. Variations and changes to the embodiments disclosed herein are possible, and substitutions and equivalents for various components of the embodiments are known to those of ordinary skill in the art. It should be clear to those skilled in the art that, without departing from the spirit or essential characteristics of the present invention, the present invention can be realized in other forms, structures, arrangements, proportions, and with other components, materials and parts. Other modifications and changes may be made to the embodiments disclosed herein without departing from the scope and spirit of the invention.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011203263034U CN202274990U (en) | 2011-09-01 | 2011-09-01 | Detection device for fatigue endurance test of hydrodynamic torque converter |
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| CN2011203263034U CN202274990U (en) | 2011-09-01 | 2011-09-01 | Detection device for fatigue endurance test of hydrodynamic torque converter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426099A (en) * | 2011-09-01 | 2012-04-25 | 上海理工大学 | Torque converter detecting system |
| CN108414221A (en) * | 2018-03-02 | 2018-08-17 | 重庆理工大学 | A kind of fluid torque-converter end cap torsional fatigue strength test method |
-
2011
- 2011-09-01 CN CN2011203263034U patent/CN202274990U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426099A (en) * | 2011-09-01 | 2012-04-25 | 上海理工大学 | Torque converter detecting system |
| CN108414221A (en) * | 2018-03-02 | 2018-08-17 | 重庆理工大学 | A kind of fluid torque-converter end cap torsional fatigue strength test method |
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