CN212205975U - Wheel center motion measurement frock - Google Patents
Wheel center motion measurement frock Download PDFInfo
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- CN212205975U CN212205975U CN202020570067.XU CN202020570067U CN212205975U CN 212205975 U CN212205975 U CN 212205975U CN 202020570067 U CN202020570067 U CN 202020570067U CN 212205975 U CN212205975 U CN 212205975U
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- wheel center
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Abstract
The utility model relates to a vehicle wheel center runout altitude measurement technical field especially relates to a wheel center motion measurement frock. Including carousel portion, transmission shaft structure, guide bar and reflection piece, the reflection piece is fixed on the guide bar, carousel portion is used for rotating with wheel fixed connection and coaxial, the one end of transmission shaft structure rotates assembly, the other end and guide bar with carousel portion and articulates, transmission shaft structure and guide bar are the contained angle setting, the guide bar is used for driving the reflection piece when the wheel is beated and carries out along the axial translation motion of guide bar. Through adopting the utility model discloses a frock is measured in wheel center motion has avoided causing the condition of guide bar bending deformation because the wheel is crooked, and then has avoided the reflector to take place crooked condition easily, has guaranteed reflector reflection angle's uniformity and measuring result's accuracy.
Description
Technical Field
The utility model relates to a vehicle wheel center runout altitude measurement technical field especially relates to a wheel center motion measurement frock.
Background
The wheel center runout height is one of the performance parameters that need to be considered during the vehicle design and production stages. At present, the simple and easy detection of wheel center runout height usually is that foil gage mark detects or laser displacement sensor detects, wherein laser displacement sensor detects and need installs the expelling plate near the wheel center, install laser emitter in wheel arch department in order to carry out reading and conversion of data, but in the actual testing process, because the wheel is beated, action factors such as tire atress, camber phenomenon takes place very easily for the wheel, and the slope of wheel can cause the slope of expelling plate, the uncertainty in this kind of expelling plate position can cause measured data's inaccuracy, and cause great measuring error, thereby be unfavorable for the accuracy and the high efficiency detection of wheel center runout height.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wheel center motion measures frock for solve and be used for measuring the expelling plate of wheel center run-out height among the prior art and take place the slope along with the wheel easily, thereby reduced the technical problem of the accuracy of detected data.
In order to realize the above purpose, the utility model provides a wheel center motion measures frock adopts following technical scheme:
the utility model provides a wheel center motion measurement frock includes carousel portion, transmission shaft structure, guide bar and reflection part, the reflection part is fixed on the guide bar, carousel portion is used for rotating with wheel fixed connection and coaxial, transmission shaft structure's one end and carousel portion rotate assembly, the other end is articulated with the guide bar, transmission shaft structure and guide bar are the contained angle setting, the guide bar is used for driving the reflection part and carries out along the axial translation motion of guide bar when the wheel is beated.
Furthermore, the transmission shaft structure comprises a shaft rod, a shaft seat and a shaft pin, wherein one end of the shaft rod is rotatably assembled with the turntable part, the other end of the shaft rod is fixedly connected with the shaft seat, one end of the shaft pin is fixedly connected with the shaft seat, and the other end of the shaft pin is hinged with the guide rod.
Furthermore, a jack is arranged in the shaft seat, a threaded column inserted into the jack is arranged on the shaft pin, the threaded column is used for assembling a nut piece in a threaded manner, a blocking structure is further arranged on the shaft pin, and the shaft pin is fixedly connected with the shaft seat through the clamping effect of the blocking structure and the nut piece.
Further, the shaft seat is in a cone shape.
Furthermore, a rotating groove for inserting the shaft rod is arranged on the rotating disc part, and a bearing is assembled between the shaft rod and the groove wall of the rotating groove.
Further, the bearing sealing device further comprises an annular cover, a through hole for the shaft rod to penetrate through is formed in the annular cover, and the annular cover is used for sealing the bearing in the rotating groove.
Further, the shaft rod is connected with the shaft seat flange.
Further, the hinge is a ball hinge.
Further, the transmission shaft structure and the guide rod are vertically arranged.
Furthermore, a wheel bolt seat is further installed on the turntable part, one end of the wheel bolt seat is fixedly connected with the turntable part, and the other end of the wheel bolt seat is fixedly connected with a wheel bolt.
The embodiment of the utility model provides a wheel center motion measurement frock compares with prior art, and its beneficial effect lies in: through adopting the utility model discloses a wheel center motion measurement frock, when needs are measured, it is fixed with the wheel to change the dish portion, rotate the assembly with transmission shaft structure's one end and dish portion, the other end is articulated with the guide bar, when the wheel takes place to beat like this, the wheel can drive the dish portion and carry out coaxial motion, and transmission shaft structure then can be along with the translation of the dish portion vertical direction of taking place, transmission shaft structure's translation can drive the guide bar and remove, the guide bar that carries out axial motion can drive the reflector and take place translational motion, then can monitor the translation volume of reflector through laser emitter, thereby obtain the displacement volume of beating of wheel.
Because the utility model discloses be articulated between well transmission shaft structure and the guide bar and connect, can take place relative rotation between transmission shaft structure and the guide bar, take place to lean out when the wheel in the motion process like this, the transmission shaft structure can slope in step, and then can take place relative rotation between transmission shaft structure and the guide bar, thereby make the guide bar all the time along setting for axial direction, avoided leading to the fact the condition of guide bar bending deformation because the wheel is crooked, and then avoided the reflector to take place crooked condition easily, reflector reflection angle's uniformity and measuring result's accuracy have been guaranteed.
Drawings
Fig. 1 is a schematic structural view of a turntable part of a wheel center movement measuring tool according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a guide rod of the wheel center movement measuring tool according to the embodiment of the present invention;
fig. 3 is a schematic view of the overall structure of the wheel center movement measuring tool according to the embodiment of the present invention;
fig. 4 is a schematic diagram of a sliding plate structure of the wheel center movement measuring tool according to the embodiment of the present invention.
In the figure, 1-turntable part, 2-wheel bolt seat, 3-annular cover, 4-shaft lever, 5-guide lever, 6-reflection piece, 7-shaft seat, 8-shaft pin, 9-bearing and 10-sliding plate.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, the present invention provides a wheel center movement measuring tool according to a preferred embodiment. Wheel center motion measurement frock includes carousel portion 1, transmission shaft structure, guide bar 5 and reflection piece 6, reflection piece 6 is fixed on guide bar 5, carousel portion 1 is used for rotating with wheel fixed connection and coaxial, the one end of transmission shaft structure and 1 rotation assembly of carousel portion, the other end and guide bar 5 are articulated, transmission shaft structure and guide bar 5 are the contained angle setting, guide bar 5 is used for driving reflection piece 6 and carries out along 5 axial translation motion of guide bar when the wheel is beated.
Specifically, the turntable portion 1 in this embodiment is a circular flange, three wheel bolt seats 2 are fixed on one side of the turntable portion 1, one end of each wheel bolt seat 2 in this embodiment is connected and fixed with the turntable portion 1 through a screw, the turntable portion 1 is provided with a plurality of kidney-shaped holes for screws to pass through, and the corresponding end portion of each wheel bolt seat 2 is provided with a threaded hole assembled with the screw thread. In this embodiment, the other end of each wheel bolt seat 2 is provided with a clamping groove for inserting a bolt head of each wheel bolt, and each wheel bolt seat 2 is fixedly connected with the wheel bolt through welding or interference fit. In other embodiments, other connection modes such as threaded assembly, pin fixing and the like can be adopted between each wheel bolt seat 2 and the corresponding wheel bolt.
The transmission shaft structure in this embodiment includes a shaft rod 4, a shaft seat 7, a shaft pin 8, a bearing 9, and an annular cover 3. In this embodiment, a rotation groove is formed in the rotation center of the turntable portion 1, the rotation groove is a circular blind groove, and the rotation groove and the wheel bolt seat 2 are respectively located on two sides of the turntable portion 1. In this embodiment, the rotation groove is used for inserting the shaft rod 4, in order to realize the rotation assembly of the shaft rod 4 and the turntable part 1, in this embodiment, the inner ring of the bearing 9 is sleeved on the outer periphery of the corresponding end of the shaft rod 4, and the bearing 9 is placed in the rotation groove. In order to avoid the situation that the bearing 9 is easy to be separated from the rotating groove, in the embodiment, the rotating disc part 1 is further provided with the annular cover 3, the central position of the annular cover 3 is provided with a through hole for the shaft rod 4 to pass through, the annular cover 3 is fixed on the rotating disc part 1 through a screw, on one hand, the notch of the rotating groove can be plugged, on the other hand, the dustproof effect can be achieved, and therefore smooth rotation of the bearing 9 is guaranteed.
In this embodiment, the shaft lever 4 and the shaft seat 7 are connected by flanges, and as shown in fig. 2 and 3, the corresponding ends of the shaft lever 4 and the corresponding ends of the shaft seat 7 are both provided with flange plate structures, and during connection, the shaft lever 4 and the shaft seat 7 are fixedly connected by bolts and nuts.
In this embodiment, the shaft seat 7 is in a conical shape, a jack is arranged in the shaft seat 7, the jack is a conical hole, and the jack is used for increasing the aperture of one side of the shaft rod 4 and reducing the aperture of the other side of the shaft rod. In this embodiment, the shaft pin 8 is provided with a threaded column, and the shaft pin 8 is further provided with a stopping structure, which is a circle of annular protrusion arranged on the outer peripheral side of the shaft pin 8. When the shaft pin 8 and the shaft seat 7 are fixed, firstly, the threaded column of the shaft pin 8 is inserted into the insertion hole from one side of the small aperture of the insertion hole, when the shaft pin and the shaft seat are inserted, the stop structure and the hole edge of the insertion hole form a stop, then, a nut piece is placed into the hole edge of the large aperture of the insertion hole, the nut piece is a nut, the nut piece is spirally assembled on the threaded column until the nut piece is in pressing contact with the hole wall of the insertion hole, and the shaft pin 8 and the shaft seat 7 are connected and fixed through the clamping effect of the nut piece and the stop structure.
In this embodiment, the shaft pin 8 and the guide rod 5 are connected and fixed in a hinged manner, the hinge is specifically a spherical hinge, and in other embodiments, the hinge may be a hinge (hinge) connection. In this embodiment, the corresponding end of the shaft pin 8 is provided with a hinge ball, and the corresponding end of the guide rod 5 is provided with a hinge housing for embedding the hinge ball.
The guide rod 5 is a straight rod in this embodiment, the guide rod 5 is perpendicular to the transmission shaft structure, and the guide rod 5 and the transmission shaft structure may be arranged at an obtuse angle or an acute angle in other embodiments. The guide bar 5 in this embodiment is provided extending in the vertical direction. In order to limit the degree of freedom of the guide rod 5, as shown in fig. 4, a sliding plate 10 is further provided in the present embodiment, in other embodiments, the sliding plate 10 may also be a limiting member such as a guide sleeve or a guide pipe, the sliding plate 10 is fixedly connected with the body fender, a guide hole for the guide rod to pass through is provided on the sliding plate 10, and the guide rod 5 can only move up and down along the axial direction (vertical direction) of the guide rod 5 by the limiting function of the guide hole on the sliding plate 10.
In this embodiment, the reflection member 6 is a reflection plate, the reflection plate is fixed on the guide rod 5, and the reflection plate is perpendicular to the guide rod 5.
The utility model discloses a working process does: when the wheel center of a wheel needs to be measured for the runout amount, the turntable part 1 is connected and fixed with the wheel, and then the transmission shaft structure, the guide rod 5 and the reflecting piece 6 are sequentially installed. After the installation is finished, the automobile is started, the turntable part 1 can rotate along with the coaxial rotation of the wheels along with the rotation of the wheels, and the transmission shaft structure cannot rotate along with the turntable part 1. When the wheel takes place the wheel and jumps, the wheel can drive 1 synchronous motion of carousel portion, and the transmission shaft structure also can be along with the displacement and the swing of the displacement of vertical direction of appearing with crooked along with the wheel, and the transmission shaft structure can drive guide bar 5 and carry out axial motion along vertical direction at the displacement of vertical direction to drive reflector 6 and carry out the translation of vertical direction, laser emitter can the perception reflector 6's removal this moment, thereby realize the monitoring to the wheel jump displacement volume. And because the articulated between transmission shaft structure and the guide bar 5, the transmission shaft structure can swing by oneself, and can not exert the horizontal effort to guide bar 5 to avoided the condition of 5 bending deformation of guide bar, guaranteed that reflection part 6 can carry out the translation along vertical direction.
To sum up, the embodiment of the utility model provides a wheel center motion measures frock, it has been avoided leading to the fact the condition of 5 bending deformation of guide bar because the wheel is crooked, and then has avoided 6 easy emergence crooked conditions of reflection piece, has guaranteed 6 reflection angle's of reflection piece uniformity and measuring result's accuracy.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a wheel center motion measures frock which characterized in that: including carousel portion (1), transmission shaft structure, guide bar (5) and reflection piece (6), reflection piece (6) are fixed on guide bar (5), carousel portion (1) are used for rotating with wheel fixed connection and coaxial, the one end of transmission shaft structure rotates assembly, the other end and guide bar (5) with carousel portion (1) and articulates, transmission shaft structure and guide bar (5) are the contained angle setting, guide bar (5) are used for driving reflection piece (6) when the wheel is beated and carry out along guide bar (5) axial translation motion.
2. The wheel center movement measuring tool according to claim 1, characterized in that: the transmission shaft structure comprises a shaft lever (4), a shaft seat (7) and a shaft pin (8), one end of the shaft lever (4) is rotatably assembled with the turntable part (1), the other end of the shaft lever is fixedly connected with the shaft seat (7), one end of the shaft pin (8) is fixedly connected with the shaft seat (7), and the other end of the shaft pin is hinged with the guide rod (5).
3. The wheel center movement measuring tool according to claim 2, characterized in that: the nut assembling device is characterized in that a jack is arranged in the shaft seat (7), a thread column which is used for being inserted into the jack is arranged on the shaft pin (8), the thread column is used for assembling a nut piece in a thread mode, a stopping structure is further arranged on the shaft pin (8), and the shaft pin (8) is fixedly connected with the shaft seat (7) through the clamping effect of the stopping structure and the nut piece.
4. The wheel center movement measuring tool according to claim 3, characterized in that: the shaft seat (7) is in a cone shape.
5. The wheel center movement measuring tool according to claim 2, characterized in that: the turntable part (1) is provided with a rotating groove for the shaft lever (4) to be inserted, and a bearing (9) is assembled between the shaft lever (4) and the groove wall of the rotating groove.
6. The wheel center movement measuring tool according to claim 5, characterized in that: the bearing sealing device is characterized by further comprising an annular cover (3), a through hole for the shaft rod (4) to penetrate through is formed in the annular cover (3), and the annular cover (3) is used for plugging the bearing (9) in the rotating groove.
7. The wheel center movement measuring tool according to claim 2, characterized in that: the shaft lever (4) is connected with the shaft seat (7) through a flange.
8. The wheel center movement measuring tool according to claim 1, characterized in that: the hinge joint is a spherical hinge.
9. The wheel center movement measuring tool according to claim 1, characterized in that: the transmission shaft structure and the guide rod (5) are vertically arranged.
10. The wheel center movement measuring tool according to claim 1, characterized in that: the wheel bolt seat is characterized in that the turntable part (1) is further provided with a wheel bolt seat (2), one end of the wheel bolt seat (2) is fixedly connected with the turntable part (1), and the other end of the wheel bolt seat is fixedly connected with a wheel bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020570067.XU CN212205975U (en) | 2020-04-16 | 2020-04-16 | Wheel center motion measurement frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020570067.XU CN212205975U (en) | 2020-04-16 | 2020-04-16 | Wheel center motion measurement frock |
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| Publication Number | Publication Date |
|---|---|
| CN212205975U true CN212205975U (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020570067.XU Active CN212205975U (en) | 2020-04-16 | 2020-04-16 | Wheel center motion measurement frock |
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| CN (1) | CN212205975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112945058A (en) * | 2021-03-15 | 2021-06-11 | 上汽大众汽车有限公司 | Vehicle standing height measuring instrument |
-
2020
- 2020-04-16 CN CN202020570067.XU patent/CN212205975U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112945058A (en) * | 2021-03-15 | 2021-06-11 | 上汽大众汽车有限公司 | Vehicle standing height measuring instrument |
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