CN104819855A - Steering wheel fatigue endurance test device - Google Patents
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Abstract
本发明公开了一种转向盘疲劳耐久试验检测装置，是由架体、操作台、位移传感器装置、轴向加载装置、切向加载装置、夹紧头和转向盘固定柱组成，操作台设置在架体中，转向盘固定柱、位移传感器装置和切向加载装置设置在操作台上，位移传感器装置和切向加载装置布置在转向盘固定柱两侧，轴向加载装置设置在架体顶部，轴向加载装置和切向加载装置的头部能与夹紧头连接在一起。本发明可以对转向盘进行轴向一点加载变形试验和转向盘轴向动态耐久试验以及对转向盘进行扭转动态耐久试验。转向盘轴向动态耐久试验和转向盘扭转动态耐久试验能考核转向盘的疲劳耐久寿命。
The invention discloses a steering wheel fatigue durability test detection device, which is composed of a frame body, an operating table, a displacement sensor device, an axial loading device, a tangential loading device, a clamping head and a steering wheel fixing column, and the operating table is arranged on the In the frame body, the steering wheel fixed column, displacement sensor device and tangential loading device are arranged on the console, the displacement sensor device and tangential loading device are arranged on both sides of the steering wheel fixed column, and the axial loading device is arranged on the top of the frame body. The heads of the axial loading device and the tangential loading device can be connected together with the clamping head. The invention can carry out axial one-point load deformation test and axial dynamic durability test of the steering wheel and torsion dynamic durability test of the steering wheel. Steering wheel axial dynamic durability test and steering wheel torsional dynamic durability test can assess the fatigue durability life of steering wheel.
Description
技术领域technical field
本发明涉及一种检测装置，特别涉及一种转向盘疲劳耐久试验检测装置。The invention relates to a detection device, in particular to a detection device for a steering wheel fatigue durability test.
背景技术Background technique
转向盘疲劳耐久试验包括弯曲疲劳和耐久疲劳试验，其目的是转向盘在上下加载和轮缘切线方向加载的情况下，检查转向盘有无破裂、损坏、焊缝脱开现象。Steering wheel fatigue durability test includes bending fatigue test and endurance fatigue test, the purpose of which is to check whether the steering wheel is cracked, damaged, or welded off when the steering wheel is loaded up and down and loaded in the tangential direction of the rim.
根据国标QC/T 563-2014转向盘试验方法如下：According to the national standard QC/T 563-2014 steering wheel test method is as follows:
(1)、弯曲疲劳性能试验方法：试验步骤为将转向盘由专用夹具固定在疲劳试验台上，试验条件为：试验负荷-225N～+225N，试验频率1Hz～1.2Hz，加载方向为上下加载，试验次数为8万次，然后检查转向盘的损坏情况。(1) Bending fatigue performance test method: the test procedure is to fix the steering wheel on the fatigue test bench with a special fixture. The test conditions are: test load -225N～+225N, test frequency 1Hz～1.2Hz, and the loading direction is up and down. , The number of tests is 80,000 times, and then check the damage of the steering wheel.
(2)、扭转疲劳性能试验方法：试验步骤为将转向盘由专用试验夹具固定在疲劳试验台上，试验条件为：试验扭矩：-40N﹒m～+40N﹒m，试验频率1Hz～1.2Hz，加载方向为轮缘切线方向，试验次数为8万次，然后检查转向盘的损坏情况。(2) Torsional fatigue performance test method: the test procedure is to fix the steering wheel on the fatigue test bench with a special test fixture, and the test conditions are: test torque: -40N. m～+40N． m, the test frequency is 1 Hz to 1.2 Hz, the loading direction is the tangential direction of the wheel flange, and the number of tests is 80,000 times, and then check the damage of the steering wheel.
发明内容Contents of the invention
本发明的目的是为国标QC/T 563-2014转向盘试验方法提供一种转向盘疲劳耐久试验检测装置。The purpose of the present invention is to provide a steering wheel fatigue endurance test detection device for the national standard QC/T 563-2014 steering wheel test method.
本发明是由架体、操作台、位移传感器装置、轴向加载装置、切向加载装置、夹紧头和转向盘固定柱组成，操作台设置在架体中，转向盘固定柱、位移传感器装置和切向加载装置设置在操作台上，位移传感器装置和切向加载装置布置在转向盘固定柱两侧，轴向加载装置设置在架体顶部，轴向加载装置和切向加载装置的头部能与夹紧头连接在一起。The invention is composed of a frame body, an operating table, a displacement sensor device, an axial loading device, a tangential loading device, a clamping head and a steering wheel fixing column, the operating table is arranged in the frame body, the steering wheel fixing column, the displacement sensor device and the tangential loading device are arranged on the operating table, the displacement sensor device and the tangential loading device are arranged on both sides of the steering wheel fixing column, the axial loading device is arranged on the top of the frame, and the head of the axial loading device and the tangential loading device Can be connected together with the clamping head.
所述的位移传感器装置是由位移传感器、传动机构和第一手轮和支架组成，传动机构设置在支架中，第一手轮与传动机构的输入端联接能带动传动机构工作，位移传感器与传动机构的输出端联接，传动机构能带动位移传感器左右和上下移动。The displacement sensor device is composed of a displacement sensor, a transmission mechanism, a first handwheel and a bracket, the transmission mechanism is arranged in the bracket, the first handwheel is connected to the input end of the transmission mechanism to drive the transmission mechanism to work, the displacement sensor and the transmission The output end of the mechanism is connected, and the transmission mechanism can drive the displacement sensor to move left and right and up and down.
所述的轴向加载装置是由横向移动机构、第一气缸和第一联接头构成，横向移动机构设置在架体顶部，第一气缸的缸体与横向移动机构联接，第一气缸的伸缩杆下端与第一联接头联接，第一联接头能与夹紧头联接在一起。轴向加载装置可以左右移动，满足不同转向盘的加载测试需求。The axial loading device is composed of a lateral movement mechanism, a first cylinder and a first coupling head, the lateral movement mechanism is arranged on the top of the frame body, the cylinder body of the first cylinder is connected with the lateral movement mechanism, and the telescopic rod of the first cylinder The lower end is connected with the first connecting head, and the first connecting head can be connected with the clamping head. The axial loading device can move left and right to meet the loading test requirements of different steering wheels.
所述的切向加载装置是由燕尾滑轨、燕尾滑座、螺旋机构、手轮、第二气缸和第二联接头组成，燕尾滑轨固定在操作台上，燕尾滑座滑动设置在燕尾滑轨上，燕尾滑座能在燕尾滑轨上左右滑动，螺旋机构设置在燕尾滑座中，手轮与螺旋机构联接，转动手轮能使螺旋机构上下移动，第二气缸的缸体与螺旋机构联接在一起，第二气缸能随螺旋机构上下移动，第二气缸的伸缩杆头端与第二联接头联接，第二联接头能与夹紧头联接在一起。切向加载装置可以左右和上下移动，满足不同高度和直径的转向盘加载测试需求。The tangential loading device is composed of a dovetail slide rail, a dovetail slide seat, a screw mechanism, a hand wheel, a second cylinder and a second joint. On the dovetail slide rail, the dovetail slide seat can slide left and right on the dovetail slide rail. The screw mechanism is set in the dovetail slide seat. The hand wheel is connected with the screw mechanism. Turning the hand wheel can make the screw mechanism move up and down. Connected together, the second cylinder can move up and down with the screw mechanism, the telescopic rod head end of the second cylinder is connected with the second joint head, and the second joint head can be connected with the clamping head. The tangential loading device can move left and right and up and down to meet the loading test requirements of steering wheels of different heights and diameters.
本发明的工作过程：Working process of the present invention:
一、转向盘轴向一点加载变形试验和转向盘轴向动态耐久试验1. Steering wheel axial one-point loading deformation test and steering wheel axial dynamic durability test
1、将被测转向盘向上通过转向盘固定柱安装固定在操作台上。切向加载装置不与夹紧头联接，轴向加载装置与夹紧头联接，夹紧头扣住转向盘的轮缘。1. Install and fix the steering wheel under test on the operating platform upwards through the steering wheel fixing column. The tangential loading device is not connected with the clamping head, and the axial loading device is connected with the clamping head, and the clamping head buckles the rim of the steering wheel.
2、通过第一手轮调整位移传感器的上下及左右位置，使位移传感器的触头能够探测转向盘轮缘的最高点。调整位移传感器的上下位置，使位移传感器探杆能够压缩约mm，以消除位移传感器的空行程段(可用纸张试验，使位移传感器能感测纸张的厚度)。调整好后固定。2. Adjust the up, down, left and right positions of the displacement sensor through the first hand wheel, so that the contact of the displacement sensor can detect the highest point of the steering wheel rim. Adjust the upper and lower positions of the displacement sensor so that the probe rod of the displacement sensor can be compressed by about mm to eliminate the empty travel section of the displacement sensor (the paper test can be used to enable the displacement sensor to sense the thickness of the paper). Fixed after adjustment.
3、启动轴向加载装置，对转向盘进行轴向一点加载变形试验，变形量由位移传感器测得；也可以对转向盘按设定的加载频率和加载力进行转向盘轴向动态耐久试验。3. Start the axial loading device, and carry out an axial one-point loading deformation test on the steering wheel. The deformation is measured by the displacement sensor; the steering wheel can also be subjected to the axial dynamic durability test of the steering wheel according to the set loading frequency and loading force.
二、转向盘扭转动态耐久试验2. Steering wheel torsional dynamic durability test
1、将被测转向盘向上通过转向盘固定柱安装固定在操作台上。轴向加载装置不与夹紧头联接，切向加载装置与夹紧头联接，夹紧头扣住转向盘的轮缘。1. Install and fix the steering wheel under test on the operating platform upwards through the steering wheel fixing column. The axial loading device is not connected with the clamping head, the tangential loading device is connected with the clamping head, and the clamping head fastens the rim of the steering wheel.
2、切向加载装置，对转向盘按设定的加载频率和加载力进行转向盘扭转动态耐久试验。2. The tangential loading device is used to carry out the torsional dynamic durability test of the steering wheel according to the set loading frequency and loading force.
转向盘轴向动态耐久试验和转向盘扭转动态耐久试验能考核转向盘的疲劳耐久寿命。Steering wheel axial dynamic durability test and steering wheel torsional dynamic durability test can assess the fatigue durability life of steering wheel.
本发明的有益效果是：The beneficial effects of the present invention are:
简化了操作步骤，实现了转向盘轴向和切向疲劳试验的准确加载，极大地提高了检测精度；测试启动开始后，可自动完成所选择测试的项目的全过程，无特殊情况，不需要人为参与；如在测试时，需要停止测试，可通过操作面板上复位或停止按钮即可停止检测过程。触摸屏可以显示加载情况和试验次数，满足试验条件后，试验结束。Simplifies the operation steps, realizes the accurate loading of the axial and tangential fatigue tests of the steering wheel, and greatly improves the detection accuracy; after the test starts, it can automatically complete the whole process of the selected test items, no special circumstances, no need Human participation; if the test needs to be stopped during the test, the detection process can be stopped by pressing the reset or stop button on the operation panel. The touch screen can display the loading situation and the number of tests. After the test conditions are met, the test ends.
附图说明Description of drawings
图1为本发明的立体示意图。Fig. 1 is a schematic perspective view of the present invention.
图2为本发明的位移传感器装置、轴向加载装置、切向加载装置和夹紧头主视图。Fig. 2 is a front view of the displacement sensor device, the axial loading device, the tangential loading device and the clamping head of the present invention.
图3为本发明的轴向加载装置和切向加载装置的剖视图。Fig. 3 is a sectional view of the axial loading device and the tangential loading device of the present invention.
具体实施方式Detailed ways
请参阅图1、图2和图3所示，本实施例是由架体1、操作台2、位移传感器装置3、轴向加载装置4、切向加载装置5、夹紧头6和转向盘固定柱7组成，操作台2设置在架体1中，转向盘固定柱7、位移传感器装置3和切向加载装置5设置在操作台2上，位移传感器装置3和切向加载装置5布置在转向盘固定柱7两侧，轴向加载装置4设置在架体1顶部，轴向加载装置4和切向加载装置5的头部能与夹紧头6连接在一起。Please refer to Fig. 1, Fig. 2 and Fig. 3, the present embodiment is composed of a frame body 1, an operating table 2, a displacement sensor device 3, an axial loading device 4, a tangential loading device 5, a clamping head 6 and a steering wheel Composed of fixed columns 7, the console 2 is arranged in the frame body 1, the steering wheel fixed column 7, the displacement sensor device 3 and the tangential loading device 5 are arranged on the console 2, the displacement sensor device 3 and the tangential loading device 5 are arranged on On both sides of the steering wheel fixing column 7, the axial loading device 4 is arranged on the top of the frame body 1, and the heads of the axial loading device 4 and the tangential loading device 5 can be connected with the clamping head 6.
所述的位移传感器装置3是由位移传感器31、传动机构32和第一手轮33和支架34组成，传动机构32设置在支架34中，第一手轮33与传动机构32的输入端联接能带动传动机构32工作，位移传感器31与传动机构32的输出端联接，传动机构32能带动位移传感器31左右和上下移动。Described displacement sensor device 3 is made up of displacement sensor 31, transmission mechanism 32 and first handwheel 33 and support 34, and transmission mechanism 32 is arranged in the support 34, and the input end coupling energy of first handwheel 33 and transmission mechanism 32 Drive the transmission mechanism 32 to work, the displacement sensor 31 is connected with the output end of the transmission mechanism 32, and the transmission mechanism 32 can drive the displacement sensor 31 to move left and right and up and down.
所述的轴向加载装置4是由横向移动机构41、第一气缸42和第一联接头43构成，横向移动机构41设置在架体1顶部，第一气缸42的缸体与横向移动机构41联接，第一气缸42的伸缩杆下端与第一联接头43联接，第一联接头43能与夹紧头6联接在一起。轴向加载装置4可以左右移动，满足不同转向盘的加载测试需求。The axial loading device 4 is composed of a lateral movement mechanism 41, a first cylinder 42 and a first joint 43. The lateral movement mechanism 41 is arranged on the top of the frame body 1, and the cylinder body of the first cylinder 42 and the lateral movement mechanism 41 Connection, the lower end of the telescopic rod of the first cylinder 42 is connected with the first connection head 43, and the first connection head 43 can be connected with the clamping head 6 together. The axial loading device 4 can move left and right to meet the loading test requirements of different steering wheels.
所述的切向加载装置5是由燕尾滑轨51、燕尾滑座52、螺旋机构53、手轮54、第二气缸55和第二联接头56组成，燕尾滑轨51固定在操作台2上，燕尾滑座52滑动设置在燕尾滑轨51上，燕尾滑座52能在燕尾滑轨51上左右滑动，螺旋机构53设置在燕尾滑座52中，手轮54与螺旋机构53联接，转动手轮54能使螺旋机构53上下移动，第二气缸55的缸体与螺旋机构53联接在一起，第二气缸55能随螺旋机构53上下移动，第二气缸55的伸缩杆头端与第二联接头56联接，第二联接头56能与夹紧头6联接在一起。切向加载装置5可以左右和上下移动，满足不同高度和直径的转向盘加载测试需求。The tangential loading device 5 is composed of a dovetail slide rail 51, a dovetail slide seat 52, a screw mechanism 53, a hand wheel 54, a second cylinder 55 and a second coupling head 56, and the dovetail slide rail 51 is fixed on the console 2 , the dovetail slide 52 is slidably arranged on the dovetail slide 51, the dovetail slide 52 can slide left and right on the dovetail slide 51, the screw mechanism 53 is arranged in the dovetail slide 52, the hand wheel 54 is connected with the screw mechanism 53, and the turning hand Wheel 54 can make screw mechanism 53 move up and down, and the cylinder body of second cylinder 55 is connected with screw mechanism 53, and second cylinder 55 can move up and down with screw mechanism 53, and the telescopic rod head end of second cylinder 55 is connected with the second joint. The joint 56 is connected, and the second joint 56 can be connected with the clamping head 6 together. The tangential loading device 5 can move left and right and up and down to meet the loading test requirements of steering wheels of different heights and diameters.
本实施例的工作过程：The working process of this embodiment:
一、转向盘轴向一点加载变形试验和转向盘轴向动态耐久试验1. Steering wheel axial one-point loading deformation test and steering wheel axial dynamic durability test
1、将被测转向盘8向上通过转向盘固定柱7安装固定在操作台2上。切向加载装置5不与夹紧头6联接，轴向加载装置4与夹紧头6联接，夹紧头6扣住转向盘8的轮缘。1. Install and fix the steering wheel 8 under test on the console 2 through the steering wheel fixing column 7 upwards. The tangential loading device 5 is not connected with the clamping head 6 , the axial loading device 4 is connected with the clamping head 6 , and the clamping head 6 buckles the rim of the steering wheel 8 .
2、通过第一手轮33调整位移传感器31的上下及左右位置，使位移传感器31的触头能够探测转向盘8轮缘的最高点。调整位移传感器31的上下位置，使位移传感器31探杆能够压缩约5mm，以消除位移传感器的空行程段(可用纸张试验，使位移传感器31能感测纸张的厚度)。调整好后固定。2. Adjust the up, down, left and right positions of the displacement sensor 31 through the first handwheel 33, so that the contact of the displacement sensor 31 can detect the highest point of the rim of the steering wheel 8. Adjust the up and down position of the displacement sensor 31 so that the displacement sensor 31 probe rod can be compressed by about 5mm, so as to eliminate the empty travel section of the displacement sensor (the paper test can be used to make the displacement sensor 31 sense the thickness of the paper). Fixed after adjustment.
3、启动轴向加载装置4，对转向盘8进行轴向一点加载变形试验，变形量由位移传感器31测得；也可以对转向盘8按设定的加载频率和加载力进行转向盘轴向动态耐久试验。3. Start the axial loading device 4, and carry out an axial one-point loading deformation test on the steering wheel 8, and the deformation amount is measured by the displacement sensor 31; it is also possible to carry out the steering wheel axial deformation test on the steering wheel 8 according to the set loading frequency and loading force. Dynamic durability test.
二、转向盘扭转动态耐久试验2. Steering wheel torsional dynamic durability test
1、将被测转向盘8向上通过转向盘固定柱7安装固定在操作台2上。轴向加载装置4不与夹紧头6联接，切向加载装置5与夹紧头6联接，夹紧头6扣住转向盘8的轮缘。1. Install and fix the steering wheel 8 under test on the console 2 through the steering wheel fixing column 7 upwards. The axial loading device 4 is not connected with the clamping head 6 , the tangential loading device 5 is connected with the clamping head 6 , and the clamping head 6 buckles the rim of the steering wheel 8 .
2、切向加载装置5，对转向盘8按设定的加载频率和加载力进行转向盘扭转动态耐久试验。2. The tangential loading device 5 performs the torsional dynamic endurance test of the steering wheel 8 according to the set loading frequency and loading force.
转向盘轴向动态耐久试验和转向盘扭转动态耐久试验能考核转向盘的疲劳耐久寿命。Steering wheel axial dynamic durability test and steering wheel torsional dynamic durability test can assess the fatigue durability life of steering wheel.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588967A (en) * | 2017-08-17 | 2018-01-16 | 上海大学 | Vehicle steering fatigue tester |
| CN112595529A (en) * | 2020-12-08 | 2021-04-02 | 奇瑞商用车（安徽）有限公司 | Device and method for testing torsional fatigue strength of automobile steering wheel assembly |
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| CN107588967B (en) * | 2017-08-17 | 2019-10-11 | 上海大学 | Automobile steering wheel fatigue testing machine |
| CN112595529A (en) * | 2020-12-08 | 2021-04-02 | 奇瑞商用车（安徽）有限公司 | Device and method for testing torsional fatigue strength of automobile steering wheel assembly |
| CN115452425A (en) * | 2022-08-30 | 2022-12-09 | 中国第一汽车股份有限公司 | Comprehensive steering wheel performance test bed and test method |
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