CN115157146B - hub nut gripper - Google Patents
hub nut gripper Download PDFInfo
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- CN115157146B CN115157146B CN202210816575.5A CN202210816575A CN115157146B CN 115157146 B CN115157146 B CN 115157146B CN 202210816575 A CN202210816575 A CN 202210816575A CN 115157146 B CN115157146 B CN 115157146B
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- 210000000078 claw Anatomy 0.000 claims abstract description 32
- 238000005259 measurement Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 10
- 230000000670 limiting effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
一种轮毂螺母抓持器，该轮毂螺母抓持器包括同轴套装的内套筒和外套筒，外套筒和内套筒之间设有长螺杆，通过长螺杆能够驱动内套筒和外套筒相向滑动，内套筒的外端设有若干个弹性板，弹性板的外端设有夹持爪头，内套筒和外套筒相向滑动的过程中，各个夹持爪头内侧的弧形板接触到外套筒端口的内边沿，内边沿的顶压力迫使弹性板弹性变形，各个夹持爪头同步向内收缩，夹持爪头外侧弧形板上的弧形槽同步相向移动夹紧在轮毂螺母的锥形头上，且弹性板的外端能够抱紧在轮毂螺母的六方侧面，锥形面的轴向限位效果以及夹持爪头的弹性收紧力能够将该抓持器牢牢的固定在轮毂螺母上，不易出现松动，保证测速过程中外挂的测速装置的安全性。
A hub nut gripper, the hub nut gripper includes an inner sleeve and an outer sleeve coaxially set, a long screw rod is provided between the outer sleeve and the inner sleeve, and the inner sleeve and the inner sleeve can be driven by the long screw rod. The outer sleeves slide toward each other, and the outer end of the inner sleeve is provided with several elastic plates. The outer ends of the elastic plates are provided with clamping claw heads. When the inner sleeve and the outer sleeve slide toward each other, the inside of each clamping claw head The arc plate contacts the inner edge of the outer sleeve port, and the top pressure of the inner edge forces the elastic plate to elastically deform. Each clamping claw head shrinks inward synchronously, and the arc-shaped grooves on the outer arc plate of the clamping claw head face each other synchronously. The movement is clamped on the tapered head of the hub nut, and the outer end of the elastic plate can be hugged on the hexagonal side of the hub nut. The axial limiting effect of the tapered surface and the elastic tightening force of the clamping claw head can hold the The gripper is firmly fixed on the wheel hub nut and is not easy to loosen, ensuring the safety of the external speed measuring device during the speed measurement process.
Description
技术领域Technical field
本发明涉及汽车测速设备领域，尤其涉及一种轮毂螺母抓持器。The invention relates to the field of automobile speed measuring equipment, and in particular to a wheel hub nut gripper.
背景技术Background technique
汽车道路试验过程中，经常要测量车轮的转速，尤其是在进行 ABS试验时，为了考察装车ABS的实际工作情况，必须对车辆的轮速进行检测，用以确认ABS系统的工作情况。因此出现了外挂在车轮轮毂上的测速装置，通过测速装置来测量道路试验时车轮的轮速。目前测速装置的具体使用方法是：将其中的轮速传感器的转盘通过夹头夹紧在轮毂外侧的轮毂螺母上，转盘在轮毂的外侧随着车轮转动，轮速传感器外壳通过定位机构与车身连接，轮速传感器的转子在转盘上随着车轮转动，通过传感器转子与定子的相对运动来测取车轮转速。但是在这种方法中的夹头是套在轮毂螺母的外侧面，夹紧力有限，无法有力的支撑悬挂在车身外的转盘、轮速传感器、定位机构，汽车行驶测速过程中易出现夹头松动导致整个轮速测量装置脱落的问题，并且这种夹头的通用性差，无法适用不同尺寸的轮毂螺母，无法适用不同类型车辆的轮速测量。During automobile road testing, it is often necessary to measure the wheel speed, especially during ABS testing. In order to examine the actual working condition of the installed ABS, the wheel speed of the vehicle must be detected to confirm the working condition of the ABS system. Therefore, there is a speed measuring device that is hung on the wheel hub, and the speed measuring device is used to measure the wheel speed during road tests. The current specific method of using the speed measuring device is to clamp the turntable of the wheel speed sensor to the hub nut on the outside of the wheel hub through a chuck. The turntable rotates with the wheel on the outside of the wheel hub. The wheel speed sensor housing is connected to the body through a positioning mechanism. , the rotor of the wheel speed sensor rotates with the wheel on the turntable, and the wheel speed is measured through the relative movement of the sensor rotor and the stator. However, in this method, the chuck is placed on the outer surface of the wheel nut, and the clamping force is limited. It cannot effectively support the turntable, wheel speed sensor, and positioning mechanism hanging outside the vehicle body. The chuck is prone to appear during the vehicle speed measurement process. Looseness causes the problem of the entire wheel speed measuring device falling off, and this type of chuck has poor versatility and cannot be used for wheel nuts of different sizes and cannot be used for wheel speed measurement of different types of vehicles.
发明内容Contents of the invention
为了解决上述问题，本发明提出一种轮毂螺母抓持器。In order to solve the above problems, the present invention proposes a hub nut gripper.
本发明的技术方案是：一种轮毂螺母抓持器，包括圆形外套筒、圆形内套筒、长螺栓；所述外套筒的一端开口，另一端设有端板甲，端板甲的中心设有圆孔，内套筒同轴套在外套筒内，内套筒的内端面沿圆周方向均布有若干个弹性板，弹性板之间设有一定间隔，并在弹性板的内端设有夹持爪头，夹持爪头位于外套筒的端口外侧，内套筒的外端口设有端板乙，端板乙的中心设有螺纹孔，长螺栓穿过外端板甲中心的圆孔插入到端板乙中心的螺纹孔内。The technical solution of the present invention is: a hub nut gripper, which includes a circular outer sleeve, a circular inner sleeve, and a long bolt; one end of the outer sleeve is open, and the other end is provided with an end plate. There is a circular hole in the center of the first sleeve, and the inner sleeve is coaxially sleeved in the outer sleeve. The inner end surface of the inner sleeve has several elastic plates evenly distributed along the circumferential direction. There is a certain interval between the elastic plates, and there are certain intervals between the elastic plates. The inner end is equipped with a clamping claw head. The clamping claw head is located outside the port of the outer sleeve. The outer port of the inner sleeve is provided with end plate B. The center of end plate B is provided with a threaded hole. Long bolts pass through the outer end plate. The round hole in the center of A is inserted into the threaded hole in the center of end plate B.
优选的，所述的夹持爪头包括弧形板A和弧形板B，弧形板A以向外倾斜的姿态连接在弹性板的外端，弧形板A的外侧面和外套筒端口的内边沿对应，弧形板A的外端面沿轴向设有中间板，弧形板B连接在中间板的外端并和弧形板A呈对称结构。Preferably, the clamping claw head includes an arc plate A and an arc plate B. The arc plate A is connected to the outer end of the elastic plate in an outwardly inclined attitude. The outer side of the arc plate A and the outer sleeve Corresponding to the inner edge of the port, the outer end surface of the arc-shaped plate A is provided with an intermediate plate along the axial direction. The arc-shaped plate B is connected to the outer end of the intermediate plate and has a symmetrical structure with the arc-shaped plate A.
优选的，所述弧形板B的端面设有弧形槽，该弧形槽的中心线方向和内套筒的轴向一致。Preferably, the end surface of the arc-shaped plate B is provided with an arc-shaped groove, and the centerline direction of the arc-shaped groove is consistent with the axial direction of the inner sleeve.
优选的，所述外套筒的内端部沿圆周方向均布有若干个方形缺口，缺口的长度方向和外套筒的轴向一致，相邻缺口之间形成与弹性板数量相同的弧形齿板，弧形齿板与弹性板正对，并在外套筒的内端部套装有过半圆形卡箍，过半圆形卡箍的内侧面中间设有卡头，卡头匹配的卡入在其中一个缺口内。Preferably, the inner end of the outer sleeve has several square notches evenly distributed along the circumferential direction, the length direction of the notches is consistent with the axial direction of the outer sleeve, and the same number of arcs as the number of elastic plates is formed between adjacent notches. The toothed plate and the arc-shaped toothed plate are opposite to the elastic plate, and a semicircular clamp is installed at the inner end of the outer sleeve. There is a chuck in the middle of the inner side of the semicircular clamp. The chuck is matched and inserted into the toothed plate. in one of the gaps.
优选的，所述过半圆形卡箍的一侧设有通孔，与通孔对应的弧形齿板上设有螺纹孔，螺纹孔和通孔之间插入有螺钉。Preferably, a through hole is provided on one side of the semicircular clamp, a threaded hole is provided on the arc-shaped tooth plate corresponding to the through hole, and a screw is inserted between the threaded hole and the through hole.
优选的，所述内套筒的长度小于外套筒的长度。Preferably, the length of the inner sleeve is smaller than the length of the outer sleeve.
本发明的有益技术效果是：The beneficial technical effects of the present invention are:
（1）该轮毂螺母抓持器包括同轴套装的内套筒和外套筒，外套筒和内套筒之间设有长螺杆，通过长螺杆能够驱动内套筒和外套筒相向滑动，内套筒的外端设有若干个弹性板，弹性板的外端设有夹持爪头，内套筒和外套筒相向滑动的过程中，各个夹持爪头内侧的弧形板接触到外套筒端口的内边沿，内边沿的顶压力迫使弹性板弹性变形，各个夹持爪头同步向内收缩，夹持爪头外侧弧形板上的弧形槽同步相向移动夹紧在轮毂螺母的锥形头上，且弹性板的外端能够抱紧在轮毂螺母的六方侧面，锥形面的轴向限位效果以及夹持爪头的弹性收紧力能够将该抓持器牢牢的固定在轮毂螺母上，不易出现松动，保证测速过程中外挂的测速装置的安全性。(1) The hub nut gripper includes an inner sleeve and an outer sleeve in a coaxial set. There is a long screw between the outer sleeve and the inner sleeve. The long screw can drive the inner sleeve and the outer sleeve to slide toward each other. , the outer end of the inner sleeve is provided with several elastic plates, and the outer end of the elastic plate is provided with a clamping claw head. When the inner sleeve and the outer sleeve slide toward each other, the arc-shaped plates on the inside of each clamping claw head contact When reaching the inner edge of the outer sleeve port, the top pressure of the inner edge forces the elastic plate to elastically deform. Each clamping claw head shrinks inward synchronously, and the arc-shaped grooves on the outer arc-shaped plate of the clamping claw head move toward each other synchronously to clamp the wheel hub. The conical head of the nut, and the outer end of the elastic plate can be tightly held on the hexagonal side of the hub nut. The axial limiting effect of the conical surface and the elastic tightening force of the clamping claw head can firmly hold the gripper It is firmly fixed on the wheel hub nut and is not easy to loosen, ensuring the safety of the external speed measuring device during the speed measurement process.
（2）该轮毂螺母抓持器中弹性板能够产生较大的弹性变形，且夹持爪头的弧形板A在外套筒端口内边沿的顶压作用下，各个夹持爪头能够大范围的张开或向内收缩，因此能够适用各种尺寸的轮毂螺母，通用性强，使测速装置能够稳定的悬挂在不同类型的车辆上进行测速。(2) The elastic plate in the hub nut gripper can produce large elastic deformation, and under the pressure of the arc-shaped plate A of the clamping claw head from the inner edge of the outer sleeve port, each clamping claw head can be opening or shrinking inward, so it can be applied to wheel nuts of various sizes, and has strong versatility, so that the speed measuring device can be stably hung on different types of vehicles for speed measurement.
附图说明Description of the drawings
图1是本发明的立体结构示意图；Figure 1 is a schematic three-dimensional structural diagram of the present invention;
图2是本发明的主视结构示意图；Figure 2 is a schematic front view of the structure of the present invention;
图3是图2的A-A向剖视图；Figure 3 is a cross-sectional view along line A-A of Figure 2;
图4是图2的B-B向剖视图；Figure 4 is a cross-sectional view taken along line B-B in Figure 2;
图5是本发明的抓持器连接在轮毂螺母上的结构示意图；Figure 5 is a schematic structural diagram of the gripper of the present invention connected to the hub nut;
图6是本发明内套筒的立体结构示意图；Figure 6 is a schematic three-dimensional structural diagram of the inner sleeve of the present invention;
图7是本发明抓持器的外套筒上安装过半圆形卡箍后的立体结构示意图；Figure 7 is a schematic three-dimensional structural diagram of the outer sleeve of the gripper of the present invention after a semicircular clamp is installed;
图8是本发明过半圆形卡箍的立体结构示意图。Figure 8 is a schematic three-dimensional structural view of the semicircular clamp of the present invention.
图中，11.外套筒、111.端板甲、112.圆孔、12.内套筒、121.弹性板、122.端板乙、123.螺纹孔、13.长螺栓、14.夹持爪头、141.弧形板A、142.弧形板B、143.中间板、144.弧形槽、15.轮毂螺母、151.锥形头、152.圆角、21.缺口、22.弧形齿板、23.过半圆形卡箍、231.卡头、232.螺钉、31.轮毂、32.轮毂螺栓。In the figure, 11. Outer sleeve, 111. End plate A, 112. Round hole, 12. Inner sleeve, 121. Elastic plate, 122. End plate B, 123. Threaded hole, 13. Long bolt, 14. Clamp Claw head, 141. Arc plate A, 142. Arc plate B, 143. Middle plate, 144. Arc groove, 15. Hub nut, 151. Cone head, 152. Fillet, 21. Notch, 22 .Arc tooth plate, 23. Semi-circular clamp, 231. Clamp, 232. Screw, 31. Hub, 32. Hub bolt.
具体实施方式Detailed ways
实施例一，参见说明书附图1-8，包括圆形外套筒、圆形内套筒、长螺栓；外套筒的一端开口，另一端设有端板甲，端板甲的中心设有圆孔，内套筒同轴套在外套筒内，内套筒的内端面沿圆周方向均布有若干个弹性板，弹性板之间设有一定间隔，并在弹性板的内端设有夹持爪头，夹持爪头位于外套筒的端口外侧，内套筒的外端口设有端板乙，端板乙的中心设有螺纹孔，长螺栓穿过外端板甲中心的圆孔插入到端板乙中心的螺纹孔内，长螺栓和通孔之间形成滑动副，旋转长螺栓时该长螺栓能够通过螺纹孔拉内套筒，并能顶压外套筒，驱动内套筒和外套筒相向滑动。Embodiment 1, see Figures 1-8 of the description, including a circular outer sleeve, a circular inner sleeve, and long bolts; one end of the outer sleeve is open, the other end is provided with an end plate armor, and the center of the end plate armor is provided with There is a round hole, and the inner sleeve is coaxially sleeved in the outer sleeve. The inner end surface of the inner sleeve has a number of elastic plates evenly distributed along the circumferential direction. There is a certain interval between the elastic plates, and a clamp is provided at the inner end of the elastic plate. The holding claw head is located outside the port of the outer sleeve. The outer port of the inner sleeve is provided with end plate B. The center of end plate B is provided with a threaded hole. The long bolt passes through the round hole in the center of outer end plate A. Insert into the threaded hole in the center of end plate B. A sliding pair is formed between the long bolt and the through hole. When the long bolt is rotated, the long bolt can pull the inner sleeve through the threaded hole and press the outer sleeve to drive the inner sleeve. and the outer sleeve slide toward each other.
目前大多数轮毂螺母与车轮轮毂的连接方式如说明书附图的图5所示，其中轮毂的螺栓孔外边沿设有锥形面，轮毂螺母与轮毂螺栓拧紧后，轮毂螺母的锥形头套入在锥形面内，起到对轮毂定心的效果。At present, most of the connection methods between hub nuts and wheel hubs are as shown in Figure 5 of the accompanying manual. The outer edge of the bolt hole of the hub is provided with a tapered surface. After the hub nut and the hub bolt are tightened, the tapered head of the hub nut is inserted into the hub nut. Inside the tapered surface, it has the effect of centering the wheel hub.
因此夹持爪头包括弧形板A和弧形板B，弧形板A以向外倾斜的姿态连接在弹性板的外端，弧形板A的外侧面和外套筒端口的内边沿对应，弧形板A的外端面沿轴向设有中间板，弧形板B连接在中间板的外端并和弧形板A呈对称结构，内套筒和外套筒相向滑动的过程中，各个夹持爪头的弧形板A接触到外套筒端口的内边沿，内边沿向内滑动顶压弧形板A，迫使弹性板向内弹性变形，各个夹持爪头同步向内收缩抱紧在轮毂螺母的锥形头上。Therefore, the clamping claw head includes an arc plate A and an arc plate B. The arc plate A is connected to the outer end of the elastic plate in an outwardly inclined attitude. The outer side of the arc plate A corresponds to the inner edge of the outer sleeve port. , the outer end surface of the arc plate A is provided with an intermediate plate along the axial direction, the arc plate B is connected to the outer end of the intermediate plate and has a symmetrical structure with the arc plate A. During the process of the inner sleeve and the outer sleeve sliding towards each other, The arc plate A of each clamping claw head contacts the inner edge of the outer sleeve port, and the inner edge slides inward to press the arc plate A, forcing the elastic plate to elastically deform inward, and each clamping claw head shrinks inward simultaneously. Tighten onto the tapered head of the hub nut.
弧形板B的端面设有弧形槽，该弧形槽的中心线方向和内套筒的轴向一致，弧形槽用于套在轮毂螺母的锥形头上，能够提高各个夹持爪头在轮毂螺母的锥形头上的抱紧力。The end face of the arc plate B is provided with an arc groove. The center line direction of the arc groove is consistent with the axial direction of the inner sleeve. The arc groove is used to cover the tapered head of the hub nut, which can improve each clamping claw. The holding force of the head on the tapered head of the hub nut.
外套筒的内端部沿圆周方向均布有若干个方形缺口，缺口的长度方向和外套筒的轴向一致，相邻缺口之间形成与弹性板数量相同的弧形齿板，弧形齿板与弹性板正对，并在外套筒的内端部套装有过半圆形卡箍，过半圆形卡箍的内侧面中间设有卡头，卡头匹配的卡入在其中一个缺口内；收紧长螺栓时内套筒会随之转动，不利于快速拉着内套筒移动来收紧夹持爪头，同时轮毂螺母抓持器连接在轮毂螺母上进行测速的过程中，测速装置自身的重力也会导致外套筒相对内套筒转动，影响测速的准确性，所述卡箍的卡头卡入在缺口内能够起到限位的作用，避免内套筒和外套筒相对转动。The inner end of the outer sleeve has several square notches evenly distributed along the circumferential direction. The length direction of the notches is consistent with the axial direction of the outer sleeve. Arc-shaped tooth plates with the same number as the elastic plates are formed between adjacent notches. The tooth plate is opposite to the elastic plate, and a semicircular clamp is installed at the inner end of the outer sleeve. There is a chuck in the middle of the inner side of the semicircular clamp, and the chuck is matched and clamped into one of the gaps; When tightening the long bolt, the inner sleeve will rotate accordingly, which is not conducive to quickly pulling the inner sleeve to move to tighten the clamping claw head. At the same time, when the hub nut gripper is connected to the hub nut for speed measurement, the speed measurement device itself The gravity of the clamp will also cause the outer sleeve to rotate relative to the inner sleeve, affecting the accuracy of the speed measurement. The clamp head of the clamp is inserted into the gap to act as a limiter to prevent the inner sleeve and the outer sleeve from rotating relative to each other. .
过半圆形卡箍的一侧设有通孔，与通孔对应的弧形齿板上设有螺纹孔，螺纹孔和通孔之间插入有螺钉，通过螺钉将过半圆形卡箍固定死在外套筒上，保证卡头的限位效果。There is a through hole on one side of the semicircular clamp, and a threaded hole is provided on the arc-shaped tooth plate corresponding to the through hole. A screw is inserted between the threaded hole and the through hole, and the semicircular clamp is fixed outside by the screw. on the sleeve to ensure the limiting effect of the chuck.
内套筒的长度小于外套筒的长度，使外套筒内能够为内套筒流出滑动空间。The length of the inner sleeve is smaller than the length of the outer sleeve, so that a sliding space can flow out of the outer sleeve for the inner sleeve.
本发明的安装过程和原理是：The installation process and principle of the present invention are:
第一步，松开内套筒和外套筒之间的螺栓，向外拉出内套筒并将其各个夹持爪头套向轮毂螺母，此时夹持爪头会先接触轮毂螺母外端边沿的圆角（轮毂螺母的外端面边沿都设有圆角，目的是为了便于拆卸或安装时套入扳手），圆角的导向作用能够使各个夹持爪头顺利进入到轮毂螺母的侧面并卡入到锥形头处；The first step is to loosen the bolt between the inner sleeve and the outer sleeve, pull out the inner sleeve and put each of its clamping claws onto the hub nut. At this time, the clamping claws will first contact the outer end of the hub nut. The rounded corners on the edges (the outer edges of the hub nut are all equipped with rounded corners, in order to facilitate the insertion of a wrench during disassembly or installation), and the guiding function of the rounded corners allows each clamping claw head to smoothly enter the side of the hub nut and Snaps into the tapered head;
第二步，收紧螺栓以向内顶压外套筒，此过程中各个夹持爪头的弧形板A接触到外套筒端口的内边沿，内边沿的顶压力迫使弹性板弹性向内弹性变形，各个夹持爪头同步向内收缩；In the second step, tighten the bolts to press the outer sleeve inward. During this process, the arc-shaped plate A of each clamping claw head contacts the inner edge of the outer sleeve port. The pressing pressure of the inner edge forces the elastic plate to elastically inward. Elastic deformation, each clamping claw head shrinks inward synchronously;
第三步，各个夹持爪头外侧弧形板上的弧形槽同步相向移动夹紧在轮毂螺母的锥形头上，同时弹性板的内端抱紧在轮毂螺母的六方侧面，锥形面的轴向限位作用以及夹持爪头的弹性收紧力能够将该抓持器牢牢的固定在轮毂螺母上，不易出现松动，保证了测速过程中外挂的测速装置的安全性。In the third step, the arc-shaped grooves on the outer arc-shaped plates of each clamping claw head move synchronously toward each other and are clamped on the tapered head of the hub nut. At the same time, the inner end of the elastic plate is tightly held on the hexagonal side of the hub nut, and the tapered surface The axial limiting effect and the elastic tightening force of the clamping claw head can firmly fix the gripper on the hub nut and prevent it from loosening, ensuring the safety of the external speed measurement device during the speed measurement process.
Claims (3)
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| CN202210816575.5A CN115157146B (en) | 2022-07-12 | 2022-07-12 | hub nut gripper |
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| CN202210816575.5A CN115157146B (en) | 2022-07-12 | 2022-07-12 | hub nut gripper |
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| CN115157146B true CN115157146B (en) | 2024-03-12 |
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| CN212653299U (en) * | 2020-06-01 | 2021-03-05 | 中国第一汽车股份有限公司 | Wheel nut clamping sleeve device |
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| EP1626247A2 (en) * | 2004-08-06 | 2006-02-15 | Gino Ferrari | Support device |
| TW200740551A (en) * | 2006-04-26 | 2007-11-01 | Prec Machinery Res & Dev Ct | Champing mechanism for tool shank with pull stud |
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