CN203479639U - Automobile wire harness pulling force detection device - Google Patents
Automobile wire harness pulling force detection device Download PDFInfo
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Abstract
本实用新型公开了一种汽车线束拉力检测装置。它包括底座，所述底座上表面的前端设有安装座，所述底座上表面的后端设有凸台，所述凸台内设有导向槽，所述导向槽底部设有凹槽，所述凹槽内设有齿轮，所述底座侧面设有第一手柄，所述齿轮通过转轴与第一手柄相连，所述导向槽内设有可沿导向槽滑动的滑块，所述滑块底部设有与齿轮啮合的第一齿条，所述滑块顶部设有电线夹紧装置，所述安装座上设有峰值拉力计，所述峰值拉力计的拉杆端部设有接线端子夹紧装置。本实用新型能够快速方便的检测汽车线束中电线与接线端子之间的拉力峰值，提高了工作效率，减轻的劳动强度，提高了检测精度。
The utility model discloses an automobile wire harness tension detection device. It includes a base, the front end of the upper surface of the base is provided with a mounting seat, the rear end of the upper surface of the base is provided with a boss, the boss is provided with a guide groove, and the bottom of the guide groove is provided with a groove. A gear is provided in the groove, a first handle is provided on the side of the base, the gear is connected to the first handle through a rotating shaft, a slider that can slide along the guide groove is provided in the guide groove, and the bottom of the slider There is a first rack gear meshed with the gear, the top of the slider is provided with a wire clamping device, the mounting base is provided with a peak tension meter, and the end of the pull rod of the peak tension meter is provided with a terminal clamping device . The utility model can quickly and conveniently detect the tension peak value between the electric wire and the connecting terminal in the automobile wiring harness, improves the work efficiency, reduces the labor intensity and improves the detection accuracy.
Description
技术领域 technical field
本实用新型涉及汽车线束检测技术领域，尤其涉及一种汽车线束拉力检测装置。 The utility model relates to the technical field of detection of automobile wire harnesses, in particular to a tension detection device for automobile wire harnesses.
背景技术 Background technique
汽车线束由电线和接线端子组成，按照国家标准要求，电线压紧在接线端子上要有一定的压紧力要求，也就是说电线与接线端子压紧后在一定的拉力下不会被拉脱，如果达不到要求，就代表电线与接线端子的抗拉强度不合格，这样的汽车线束容易在外力的作用下产生脱线的隐患，导致用电器不能正常工作，所以电线与接线端子的拉力检测在汽车线束的生产过程中起着关键的作用。目前，电线与接线端子的拉力检测大都是由工作人员通过手动的方式使用峰值拉力计进行检测，工作效率低，劳动强度大，且检测结果误差大。 The automobile wiring harness is composed of wires and terminals. According to the requirements of national standards, the wires must be pressed against the terminals with certain pressure requirements, that is to say, the wires and terminals will not be pulled off under a certain tension after being pressed. , if it fails to meet the requirements, it means that the tensile strength of the wire and the terminal is unqualified. Such a car wiring harness is likely to have a hidden danger of off-line under the action of external force, resulting in the failure of the electrical appliance to work normally. Therefore, the tensile strength of the wire and the terminal Inspection plays a key role in the production process of automotive wiring harnesses. At present, most of the tension testing of wires and terminals is done manually by staff using peak tension gauges, which has low work efficiency, high labor intensity, and large errors in testing results.
中国专利公开号CN202974531，公开日2013年6月5日，实用新型的名称是一种旋转式端子座及其端子推拉力检测装置，该申请案公开了一种旋转式端子座及其端子推拉力检测装置，它包括底座，所述底座一端设有左支座，所述左支座上架设有水平的丝杆和导杆，所述丝杆和导杆上配合安装有导套，所述导套上端面安装有端子座夹头，所述丝杆的转动由其端部的手柄驱动，所述底座上还设有与左支座对应的右支座，所述右支座上转动安装有推拉力计固定座，所述推拉力计固定座上固定安装有推拉力计，所述推拉力计的推杆和拉杆的端部分别安装有端子夹头。其不足之处是，如果使用该检测装置检测电线和接线端子之间的拉力，端子座夹头无法夹紧电线，会导致检测结构不准确。 Chinese Patent Publication No. CN202974531, published on June 5, 2013, the name of the utility model is a rotary terminal base and its terminal push-pull force detection device, the application discloses a rotary terminal base and its terminal push-pull force The detection device includes a base, one end of the base is provided with a left support, and a horizontal screw rod and a guide rod are mounted on the left support, and a guide sleeve is installed on the screw rod and the guide rod. The end surface of the cover is equipped with a terminal seat chuck, and the rotation of the screw rod is driven by the handle at the end. The base is also provided with a right support corresponding to the left support, and the right support is rotatably installed with a A push-pull dynamometer fixing seat, a push-pull dynamometer is fixedly installed on the push-pull dynamometer fixing seat, and terminal chucks are respectively installed at the ends of the push rod and the pull rod of the push-pull dynamometer. Its disadvantage is that if the detection device is used to detect the pulling force between the wire and the terminal block, the clamp of the terminal base cannot clamp the wire, which will lead to an inaccurate detection structure.
发明内容 Contents of the invention
本实用新型的目的是克服目前汽车线束中电线与接线端子之间的拉力检测大都是由工作人员通过手动的方式使用峰值拉力计进行检测，工作效率低，劳动强度大，且检测结果误差大的技术问题，提供了一种汽车线束拉力检测装置，其能够快速方便的检测汽车线束中电线与接线端子之间的拉力峰值，提高了工作效率，减轻的劳动强度，提高了检测精度。 The purpose of this utility model is to overcome the tension detection between the wires and the terminal blocks in the current automobile wiring harness, which is mostly detected by the staff using a peak tension meter manually, which has low work efficiency, high labor intensity, and large errors in detection results. The technical problem is to provide an automobile wiring harness tension detection device, which can quickly and conveniently detect the peak tension between the wire and the terminal in the automobile wiring harness, improve work efficiency, reduce labor intensity, and improve detection accuracy.
为了解决上述问题，本实用新型采用以下技术方案予以实现： In order to solve the above problems, the utility model adopts the following technical solutions to achieve:
本实用新型的一种汽车线束拉力检测装置，包括底座，所述底座上表面的前端设有安装座，所述底座上表面的后端设有凸台，所述凸台内设有导向槽，所述导向槽底部设有凹槽，所述凹槽内设有齿轮，所述底座侧面设有第一手柄，所述齿轮通过转轴与第一手柄相连，所述导向槽内设有可沿导向槽滑动的滑块，所述滑块底部设有与齿轮啮合的第一齿条，所述滑块顶部设有电线夹紧装置，所述安装座上设有峰值拉力计，所述峰值拉力计的拉杆端部设有接线端子夹紧装置。 An automobile wiring harness tension detection device of the utility model comprises a base, the front end of the upper surface of the base is provided with a mounting seat, the rear end of the upper surface of the base is provided with a boss, and a guide groove is arranged inside the boss, The bottom of the guide groove is provided with a groove, the groove is provided with a gear, the side of the base is provided with a first handle, the gear is connected with the first handle through a rotating shaft, and the guide groove is provided with a The slider slides in a groove, the bottom of the slider is provided with a first rack meshed with the gear, the top of the slider is provided with a wire clamping device, the mounting base is provided with a peak tension meter, and the peak tension meter The end of the tie rod is provided with a terminal clamping device.
在本技术方案中，使用时，将被测量的汽车线束的接线端子置于接线端子夹紧装置中夹紧，将汽车线束的电线置于电线夹紧装置中夹紧，接着人工扳动第一手柄向上转动，第一手柄通过转轴带动齿轮转动，齿轮驱动滑块向后运动，滑块带动电线夹紧装置向后运动，电线夹紧装置将电线向后拉动，最终电线被拉脱，此时的峰值拉力计所显示的数值就为电线与接线端子的拉脱力，将检测的数值与国家标准对比，便可判断此汽车线束是否合格。 In this technical solution, when in use, the terminal of the automobile wiring harness to be measured is clamped in the terminal clamping device, and the wires of the automobile wiring harness are clamped in the wire clamping device, and then manually pull the first The handle turns upwards, the first handle drives the gear to rotate through the rotating shaft, the gear drives the slider to move backward, the slider drives the wire clamping device to move backward, the wire clamping device pulls the wire backward, and finally the wire is pulled off, at this time The value displayed by the peak tension meter is the pull-off force between the wire and the terminal. Comparing the detected value with the national standard, you can judge whether the automobile wiring harness is qualified.
作为优选，所述电线夹紧装置包括压块、挡块、偏心轮以及与偏心轮相连的第二手柄，所述滑块上表面的左侧设有两条横向设置的导轨，所述压块设置在两条导轨之间并与导轨相配合，所述挡块设置在滑块上表面的右侧，所述压块与挡块相对设置，所述压块的右侧面设有第二齿条，所述挡块的左侧面设有第三齿条，所述第二齿条与第三齿条啮合，所述偏心轮位于压块左侧。 Preferably, the wire clamping device includes a pressing block, a block, an eccentric wheel, and a second handle connected to the eccentric wheel. It is arranged between two guide rails and cooperates with the guide rails. The stopper is arranged on the right side of the upper surface of the slider. The left side of the block is provided with a third rack, the second rack meshes with the third rack, and the eccentric wheel is located on the left side of the pressing block.
将电线放置在压块和挡块之间，握住第二手柄转动偏心轮，偏心轮转动将压块向右推，直到压块与挡块压紧，此时第二齿条与第三齿条啮合，将电线夹紧。电线被第二齿条和第三齿条从两侧夹紧，在受到较大拉力作用下不会出现滑动，提高了检测精度。 Place the wire between the pressure block and the stopper, hold the second handle and turn the eccentric wheel, the rotation of the eccentric wheel will push the pressure block to the right until the pressure block and the stopper are pressed tightly, at this time the second rack and the third tooth The strips engage, clamping the wires tightly. The electric wire is clamped from both sides by the second rack and the third rack, and will not slip under the action of a large pulling force, thereby improving the detection accuracy.
作为优选，所述接线端子夹紧装置包括锁紧螺栓、左夹爪和右夹爪，所述左夹爪和右夹爪相互配合，所述右夹爪左侧设有定位柱，所述定位柱穿过左夹爪，所述左夹爪和右夹爪分别设有相互对应的螺纹孔，所述锁紧螺栓穿过螺纹孔。 Preferably, the terminal clamping device includes a locking bolt, a left jaw and a right jaw, the left jaw and the right jaw cooperate with each other, a positioning post is provided on the left side of the right jaw, and the positioning The column passes through the left jaw, and the left jaw and the right jaw are respectively provided with threaded holes corresponding to each other, and the locking bolt passes through the threaded holes.
将接线端子放置在左夹爪和右夹爪之间，调节左夹爪在定位柱上的位置直到左夹爪与右夹爪夹住接线端子后端的电线，此时左夹爪和右夹爪卡住接线端子，最后将锁紧螺栓旋进左夹爪和右夹爪上的螺纹孔固定住左夹爪和右夹爪。 Place the terminal between the left jaw and the right jaw, adjust the position of the left jaw on the positioning column until the left jaw and the right jaw clamp the wire at the rear end of the terminal, at this time the left jaw and the right jaw Block the terminal, and finally screw the locking bolts into the threaded holes on the left and right jaws to fix the left and right jaws.
作为优选，所述锁紧螺栓的头部设有蝶形螺母。蝶形螺母便于工作人员操作锁紧螺栓。 Preferably, the head of the locking bolt is provided with a wing nut. The wing nut is convenient for the staff to operate the locking bolt.
作为优选，所述齿轮套设并固定于转轴上，所述第一手柄与转轴垂直相连。 Preferably, the gear is sheathed and fixed on the rotating shaft, and the first handle is vertically connected with the rotating shaft.
作为优选，所述底座的前侧面设有把手。把手便于工作人员搬运汽车线束拉力检测装置。 Preferably, a handle is provided on the front side of the base. The handle is convenient for the staff to carry the tension detection device of the automobile wire harness.
作为优选，所述底座的后侧面设有若干个脚轮。工作人员可拖动汽车线束拉力检测装置，便于搬运。 Preferably, several casters are provided on the rear side of the base. The staff can drag the automobile wire harness tension detection device for easy handling.
本实用新型的有益效果是：能够快速方便的检测汽车线束中电线与接线端子之间的拉力峰值，提高了工作效率，减轻的劳动强度，提高了检测精度。 The beneficial effect of the utility model is that it can quickly and conveniently detect the peak value of tension between the electric wire and the connecting terminal in the automobile wire harness, which improves the work efficiency, reduces the labor intensity and improves the detection accuracy.
附图说明 Description of drawings
图1是本实用新型的一种结构示意图。 Fig. 1 is a kind of structural representation of the utility model.
图中：1、底座，2、安装座，3、凸台，4、导向槽，5、凹槽，6、齿轮，7、第一手柄，8、转轴，9、滑块，10、峰值拉力计，11、压块，12、挡块，13、偏心轮，14、第二手柄，15、导轨，16、第二齿条，17、第三齿条，18、锁紧螺栓，19、左夹爪，20、右夹爪，21、定位柱，22、蝶形螺母，23、把手。 In the figure: 1. base, 2. installation base, 3. boss, 4. guide groove, 5. groove, 6. gear, 7. first handle, 8. rotating shaft, 9. slider, 10. peak tension Meter, 11, pressing block, 12, block, 13, eccentric wheel, 14, second handle, 15, guide rail, 16, second rack, 17, third rack, 18, locking bolt, 19, left Jaw, 20, right jaw, 21, positioning post, 22, butterfly nut, 23, handle.
具体实施方式 Detailed ways
下面通过实施例，并结合附图，对本实用新型的技术方案作进一步具体的说明。 The technical solutions of the present utility model will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.
实施例：本实用新型的一种汽车线束拉力检测装置，如图1所示，包括底座1，底座1上表面的前端设有安装座2，底座1上表面的后端设有凸台3，凸台3内设有导向槽4，导向槽4底部设有凹槽5，凹槽5内设有齿轮6，底座1的右侧面设有第一手柄7，齿轮6通过转轴8与第一手柄7相连，齿轮6套设并固定于转轴8上，第一手柄7与转轴8垂直相连，导向槽4内设有可沿导向槽4滑动的滑块9，滑块9底部设有与齿轮6啮合的第一齿条，滑块9顶部设有电线夹紧装置，安装座2上设有峰值拉力计10，峰值拉力计10的拉杆端部设有接线端子夹紧装置，电线夹紧装置包括压块11、挡块12、偏心轮13以及与偏心轮13相连的第二手柄14，滑块9上表面的左侧设有两条横向设置的导轨15，压块11设置在两条导轨15之间并与导轨15相配合，挡块12设置在滑块9上表面的右侧，压块11与挡块12相对设置，压块11的右侧面设有第二齿条16，挡块12的左侧面设有第三齿条17，第二齿条16与第三齿条17啮合，偏心轮13位于压块11左侧，接线端子夹紧装置包括锁紧螺栓18、左夹爪19和右夹爪20，左夹爪19和右夹爪20相互配合，右夹爪20左侧设有定位柱21，定位柱21穿过左夹爪19，左夹爪19和右夹爪20分别设有相互对应的螺纹孔，锁紧螺栓18穿过螺纹孔，锁紧螺栓18的头部设有蝶形螺母22。 Embodiment: An automobile wiring harness tension detection device of the present utility model, as shown in FIG. The boss 3 is provided with a guide groove 4, the bottom of the guide groove 4 is provided with a groove 5, the groove 5 is provided with a gear 6, the right side of the base 1 is provided with a first handle 7, and the gear 6 is connected to the first handle 7 through a rotating shaft 8. The handles 7 are connected, the gear 6 is sleeved and fixed on the rotating shaft 8, the first handle 7 is vertically connected with the rotating shaft 8, the guide groove 4 is provided with a slider 9 that can slide along the guide groove 4, and the bottom of the slider 9 is provided with a gear 6. The first gear rack engaged, the top of the slider 9 is equipped with a wire clamping device, the mounting base 2 is provided with a peak tension gauge 10, and the end of the pull rod of the peak tension gauge 10 is provided with a terminal clamping device, and the wire clamping device Including a pressure block 11, a stopper 12, an eccentric wheel 13 and a second handle 14 connected to the eccentric wheel 13, the left side of the upper surface of the slider 9 is provided with two laterally arranged guide rails 15, and the pressure block 11 is arranged on the two guide rails 15 and cooperate with the guide rail 15, the block 12 is arranged on the right side of the upper surface of the slider 9, the pressure block 11 is set opposite to the block 12, the right side of the pressure block 11 is provided with a second rack 16, the block The left side of the block 12 is provided with a third rack 17, the second rack 16 meshes with the third rack 17, the eccentric wheel 13 is located on the left side of the pressing block 11, and the terminal clamping device includes a locking bolt 18, a left clamp The claw 19 and the right jaw 20, the left jaw 19 and the right jaw 20 cooperate with each other, the left side of the right jaw 20 is provided with a positioning column 21, and the positioning column 21 passes through the left jaw 19, the left jaw 19 and the right jaw 20 are respectively provided with mutually corresponding threaded holes, the locking bolts 18 pass through the threaded holes, and the heads of the locking bolts 18 are provided with wing nuts 22 .
将被测量的汽车线束的电线置于电线夹紧装置中夹紧。将电线放置在压块11和挡块12之间，握住第二手柄14转动偏心轮13，偏心轮13转动将压块11向右推，直到压块11与挡块12压紧，此时第二齿条16与第三齿条17啮合，将电线夹紧，电线被第二齿条16和第三齿条17从两侧夹紧，在受到较大拉力作用下不会出现滑动，提高了检测精度。 Place the wires of the automotive wiring harness to be measured in the wire clamping device and clamp them. Place the electric wire between the briquetting block 11 and the stopper 12, hold the second handle 14 and turn the eccentric wheel 13, and the eccentric wheel 13 rotates to push the briquetting block 11 to the right until the briquetting block 11 and the stopper 12 are pressed tightly, at this time The second rack 16 meshes with the third rack 17 to clamp the electric wires, and the electric wires are clamped from both sides by the second rack 16 and the third rack 17, so that there will be no slippage under the action of a large pulling force, and the electric wire can be improved. detection accuracy.
将汽车线束的接线端子置于接线端子夹紧装置中夹紧。将接线端子放置在左夹爪19和右夹爪20之间，调节左夹爪19在定位柱21上的位置直到左夹爪19与右夹爪20夹住接线端子后端的电线，此时左夹爪19和右夹爪20卡住接线端子，最后将锁紧螺栓18旋进左夹爪19和右夹爪20上的螺纹孔固定住左夹爪19和右夹爪20，蝶形螺,22便于工作人员操作锁紧螺栓18。 Place the terminal blocks of the automotive wiring harness in the terminal clamping device and clamp them. Place the terminal between the left jaw 19 and the right jaw 20, adjust the position of the left jaw 19 on the positioning column 21 until the left jaw 19 and the right jaw 20 clamp the wire at the rear end of the terminal. The clamping jaw 19 and the right clamping jaw 20 clamp the connection terminal, and finally the locking bolt 18 is screwed into the threaded holes on the left clamping jaw 19 and the right clamping jaw 20 to fix the left clamping jaw 19 and the right clamping jaw 20, the butterfly screw, 22 is convenient for the staff to operate the locking bolt 18.
接着人工扳动第一手柄7向上转动，第一手柄7通过转轴8带动齿轮6转动，齿轮6驱动滑块9向后运动，滑块9带动电线夹紧装置向后运动，电线夹紧装置将电线向后拉动，最终电线被拉脱，此时的峰值拉力计10所显示的数值就为电线与接线端子的拉脱力，将检测的数值与国家标准对比，便可判断此汽车线束是否合格。 Then manually pull the first handle 7 to rotate upwards, the first handle 7 drives the gear 6 to rotate through the rotating shaft 8, the gear 6 drives the slider 9 to move backward, the slider 9 drives the wire clamping device to move backward, and the wire clamping device will The wire is pulled backwards, and finally the wire is pulled off. At this time, the value displayed by the peak tension meter 10 is the pull-off force between the wire and the terminal. Comparing the detected value with the national standard, it can be judged whether the automobile wiring harness is qualified.
本实施例中，底座1的前侧面设有把手23，底座1的后侧面设有2个脚轮。把手23和脚轮配合，使工作人员可拖动汽车线束拉力检测装置，便于搬运。 In this embodiment, a handle 23 is provided on the front side of the base 1 , and two casters are provided on the rear side of the base 1 . The handle 23 is matched with the casters, so that the staff can drag the automobile wiring harness tension detection device, which is convenient for carrying.
Claims (7)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320570267.5U CN203479639U (en) | 2013-09-16 | 2013-09-16 | Automobile wire harness pulling force detection device |
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| CN201320570267.5U CN203479639U (en) | 2013-09-16 | 2013-09-16 | Automobile wire harness pulling force detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403465A (en) * | 2015-10-15 | 2016-03-16 | 芜湖顺成电子有限公司 | Wiring harness strength detection apparatus for electric wire |
| CN106347533A (en) * | 2016-08-31 | 2017-01-25 | 威海山河电气有限公司 | Deformable bicycle saddle |
| CN104568364B (en) * | 2015-01-12 | 2017-05-31 | 中国航天员科研训练中心 | Multi-functional drop weight test platform |
| CN107421673A (en) * | 2017-05-31 | 2017-12-01 | 芜湖博康机电有限公司 | A kind of wire harness stretching force detecting apparatus |
| CN107976361A (en) * | 2017-11-23 | 2018-05-01 | 东莞市联洲知识产权运营管理有限公司 | A fixing device on the tensile strength testing equipment of automobile harness |
| CN108692147A (en) * | 2017-03-31 | 2018-10-23 | 德国亚虹实业有限公司 | Holder is especially used for the holder of portable computer or laptop |
| CN108760286A (en) * | 2018-08-27 | 2018-11-06 | 珠海凯邦电机制造有限公司 | Damping rotor pull-out force detection device |
| CN108801766A (en) * | 2018-06-21 | 2018-11-13 | 芜湖博康机电有限公司 | A kind of portable harness tensile testing machine |
| CN111122356A (en) * | 2019-11-28 | 2020-05-08 | 浙江华电器材检测研究所有限公司 | Tensile test device for charging interface connecting cable |
| CN111326934A (en) * | 2020-03-02 | 2020-06-23 | 千代田电子(嘉兴)有限公司 | Wire terminal riveting and detecting integrated machine and use method thereof |
| CN111855804A (en) * | 2020-07-29 | 2020-10-30 | 泰州市博泰电子有限公司 | New energy automobile pencil check out test set |
| CN114054637A (en) * | 2021-11-23 | 2022-02-18 | 河钢股份有限公司 | Wire rod scale distance setting-out device |
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- 2013-09-16 CN CN201320570267.5U patent/CN203479639U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568364B (en) * | 2015-01-12 | 2017-05-31 | 中国航天员科研训练中心 | Multi-functional drop weight test platform |
| CN105403465A (en) * | 2015-10-15 | 2016-03-16 | 芜湖顺成电子有限公司 | Wiring harness strength detection apparatus for electric wire |
| CN106347533A (en) * | 2016-08-31 | 2017-01-25 | 威海山河电气有限公司 | Deformable bicycle saddle |
| CN108692147A (en) * | 2017-03-31 | 2018-10-23 | 德国亚虹实业有限公司 | Holder is especially used for the holder of portable computer or laptop |
| CN107421673A (en) * | 2017-05-31 | 2017-12-01 | 芜湖博康机电有限公司 | A kind of wire harness stretching force detecting apparatus |
| CN107976361A (en) * | 2017-11-23 | 2018-05-01 | 东莞市联洲知识产权运营管理有限公司 | A fixing device on the tensile strength testing equipment of automobile harness |
| CN108801766A (en) * | 2018-06-21 | 2018-11-13 | 芜湖博康机电有限公司 | A kind of portable harness tensile testing machine |
| CN108760286A (en) * | 2018-08-27 | 2018-11-06 | 珠海凯邦电机制造有限公司 | Damping rotor pull-out force detection device |
| CN111122356A (en) * | 2019-11-28 | 2020-05-08 | 浙江华电器材检测研究所有限公司 | Tensile test device for charging interface connecting cable |
| CN111326934A (en) * | 2020-03-02 | 2020-06-23 | 千代田电子(嘉兴)有限公司 | Wire terminal riveting and detecting integrated machine and use method thereof |
| CN111855804A (en) * | 2020-07-29 | 2020-10-30 | 泰州市博泰电子有限公司 | New energy automobile pencil check out test set |
| CN114054637A (en) * | 2021-11-23 | 2022-02-18 | 河钢股份有限公司 | Wire rod scale distance setting-out device |
| CN114054637B (en) * | 2021-11-23 | 2024-02-13 | 河钢股份有限公司 | Wire gauge length line drawing device |
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