CN207923012U - A kind of measuring device of tire centerline - Google Patents
A kind of measuring device of tire centerline Download PDFInfo
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- CN207923012U CN207923012U CN201820385196.4U CN201820385196U CN207923012U CN 207923012 U CN207923012 U CN 207923012U CN 201820385196 U CN201820385196 U CN 201820385196U CN 207923012 U CN207923012 U CN 207923012U
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- arm
- clamp arm
- fixed part
- flexible clamp
- measuring
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Abstract
The utility model discloses a kind of measuring devices of tire centerline, including：The first end of three flexible clamp arm, each flexible clamp arm is connected by a fixed part, and rotatable around the fixed part；Wherein, the flexible clamp arm includes：Clamping limb and the measuring arm being flexibly connected with the clamping limb, and the measuring arm is removable along the extending direction of the clamping limb.The utility model can determine uniquely round principle using 3 points, be the static(al) radius that can determine the central point of tire, and then accurately measure tire according to the central point of measuring device, easy to operate, and measurement result is accurate, avoids error.
Description
Technical field
The utility model is related to measuring tool technical field more particularly to a kind of measuring devices of tire centerline.
Background technology
It is researched and developed in automobile and during to mark, needs to measure to trial-production vehicle or to the overall dimensions of a car for marking vehicle.
Currently, during being measured to overall dimensions of a car, generally measured using laser range finder, but is measuring Tire Static
Usually all it is the tire centerline position to ground that estimation is then measured by the position of eye estimate tire centerline when power radius
Distance, obtain the static(al) radius of tire.Due to when measuring tire static(al) radius, cannot accurately determine the position of tire centerline
It sets, to cause prodigious error to the measurement of static(al) radius.
Utility model content
The utility model provides a kind of measuring device of tire centerline, to solve to measure tire static(al) half in the prior art
The big problem of the error of diameter.
In order to solve the above-mentioned technical problem, the utility model embodiment provides a kind of measuring device of tire centerline, packet
It includes：
The first end of three flexible clamp arm, each flexible clamp arm is connected by a fixed part, and around the fixation
Portion is rotatable；
Wherein, the flexible clamp arm includes：Clamping limb and the measuring arm being flexibly connected with the clamping limb, and the survey
It is removable along the extending direction of the clamping limb to measure arm.
Preferably, three flexible clamp arm include：
First flexible clamp arm, the fixed part are set in the first end of the described first flexible clamp arm；
The first end of second flexible clamp arm, the second flexible clamp arm is equipped with first annular interconnecting piece；
Third is stretched clamp arm, and the stretch first end of clamp arm of the third is equipped with the second annular interconnecting piece；
The first annular interconnecting piece and second annular connecting part are not sheathed on the fixed part, and described
Two flexible clamp arm and the flexible clamp arm of the third are rotatable around the fixed part.
Preferably, the clamping limb is in hollow structure；
The measuring arm is inserted in the inside of the clamping limb, and the first end of the measuring arm passes through the fixed part phase
Connection, and it is rotatable around the fixed part.
Preferably, the clamping limb is equipped with the mounting hole through side wall；
When the inside that the measuring arm is inserted in the clamping limb reaches precalculated position, by being arranged in the mounting hole
Fastener is locked.
Preferably, the outer surface of the measuring arm is marked with graduation mark.
Preferably, the clamping limb includes：
Arm body is clamped；
Clamping part, the clamping part are set to one end far from the fixed part on the clamping arm body, and the folder
It holds and is arranged in predetermined angle between portion and the clamping arm body.
Preferably, on the clamping part the first groove is equipped with towards the first surface of the fixed part.
Preferably, on the clamping part the second groove is equipped with backwards to the second surface of the fixed part.
Preferably, the measuring device further includes a handgrip, and the handgrip is fixed on the fixed part.
The advantageous effect of the embodiments of the present invention is：
In said program, the first end of three flexible clamp arm is fixed on a fixed part, and flexible clamp arm 1 can be around the fixed part
The second end being oppositely arranged with the first end in the flexible clamp arm is fixed on the internal diameter or outer diameter of wheel by rotation.With
And clamping limb and measuring arm by adjusting flexible connection, to adjust the length for clamp arm of stretching, and ensure three by measuring arm
A flexible clamp arm is adjusted to identical length.It utilizes in this way at 3 points and can determine uniquely round principle, according to the central point of fixed part
The static(al) radius of tire can be accurately measured, it is easy to operate, and measurement result is accurate, avoids error.
Description of the drawings
Fig. 1 shows one of schematic diagrames of measuring device of tire centerline of the utility model embodiment；
Fig. 2 indicates the two of the schematic diagram of the measuring device of the tire centerline of the utility model embodiment；
Fig. 3 indicates the decomposition diagram of the measuring device of the tire centerline of the utility model embodiment.
Reference sign：
1, flexible clamp arm；
101, clamping limb；
1011, arm body is clamped；
1012, clamping part；
1013, the first groove；
1014, the second groove；
102, measuring arm；
103, fixed part；
11, the first flexible clamp arm；
12, the second flexible clamp arm；
121, first annular interconnecting piece；
13, the flexible clamp arm of third；
131, the second annular interconnecting piece；
2, fastener；
3, handgrip；
4, central point.
Specific implementation mode
The exemplary embodiment of the utility model is more fully described below with reference to accompanying drawings.Although showing this in attached drawing
The exemplary embodiment of utility model, it being understood, however, that may be realized in various forms the utility model without should be by here
The embodiment of elaboration is limited.It is to be able to be best understood from the utility model, and energy on the contrary, providing these embodiments
It is enough that the scope of the utility model is completely communicated to those skilled in the art.
As shown in Figures 1 to 3, the embodiments of the present invention provide a kind of measuring device of tire centerline, including：Three
Flexible clamp arm 1, the first end of each flexible clamp arm 1 are connected by a fixed part 103, and can around the fixed part 103
Rotation.
Wherein, the flexible clamp arm 1 includes：Clamping limb 101 and the measuring arm being flexibly connected with the clamping limb 101
102, and the measuring arm 102 is removable along the extending direction of the clamping limb 101.
In the embodiment, the first end of three flexible clamp arm 1 is fixed on a fixed part 103 (central point), and each flexible
Clamp arm 1 can be rotated around the central point, to consider that automobile tire has the tire pressure of various forms of wheel rims and tire to tire
The influence of shape, so by the second end being oppositely arranged with the first end in the clamp arm 1 of stretching be fixed on wheel internal diameter or
On outer diameter so that measurement result is more accurate.
Further, the outer surface of the measuring arm 102 is marked with graduation mark.By the clamping limb for adjusting flexible connection
101 and measuring arm 102, to adjust the length for clamp arm 1 of stretching, and passes through the graduation mark of measuring arm 102 and ensure three telescopic clamps
Arm is adjusted to identical length.It utilizes in this way at 3 points and can determine uniquely round principle, it can be true according to the central point 4 of measuring device
The center of fixed wheel tire, and then the accurate static(al) radius for measuring tire, it is easy to operate, and measurement result is accurate, avoids error.
As shown in figure 3, three flexible clamp arm 1 include：First flexible clamp arm 11, the second flexible clamp arm 12 and third are stretched
Contracting clamp arm 13.
Wherein, the fixed part 103 is set in the first end of the described first flexible clamp arm 11；The second flexible clamp arm
12 first end is equipped with first annular interconnecting piece 121；The stretch first end of clamp arm 13 of the third is equipped with the second annular interconnecting piece
131。
The first annular interconnecting piece 121 and the second annular interconnecting piece 131 are sheathed on the fixed part 103 respectively
On, and the second flexible clamp arm 12 and the flexible clamp arm 13 of the third are rotatable around the fixed part 103.
In the embodiment, fixed part 103 is the cylindrical structure for the outer surface setting for protruding from the first flexible clamp arm 11.Accordingly
, first annular interconnecting piece 121 and the second annular interconnecting piece 131 are in circular ring structure, and the internal diameter of circular ring structure is slightly larger than cylinder
The outer diameter of structure, in order to which the first annular interconnecting piece 121 and the second annular interconnecting piece 131 are sheathed on the fixed part 103.
Certainly, fixed part 103 may be arranged as the structure that other are centrosymmetric, such as：Prism etc., in marking
Heart position, the utility model are not limited.
Wherein, the clamping limb 101 is in hollow structure；The measuring arm 102 is inserted in the inside of the clamping limb 101,
And the first end of the measuring arm 102 is connected by the fixed part 103, and it is rotatable around the fixed part 103.
In the embodiment, the measuring arm 102 for being marked with graduation mark is inserted in clamping limb 101, by adjusting measuring arm 102
The depth being inserted in clamping limb 101, so as to adjust the length of flexible clamp arm 1, and convenient for reading.
Further, the clamping limb 101 is equipped with the mounting hole through side wall.The measuring arm 102 is inserted in described
When the inside of clamping limb 101 reaches precalculated position, the fastener 2 by being arranged in the mounting hole is locked.
In the embodiment, the depth in clamping limb 101 is inserted in by adjusting measuring arm 102, by flexible clamp arm 1 adjust to
Predetermined length (is individually fixed on the internal diameter or outer diameter of wheel in the second end of three flexible clamp arm 1, and ensures that three are stretched
Clamp arm length is identical) when, measuring arm 102 and clamping limb 101 are locked by fastener 2, avoid measuring arm 102 and clamping limb 101
Between loosen, cause measurement result error occur.Preferably, fastener 2 can be screw or bolt.
Wherein, the clamping limb 101 includes：Arm body 1011 and clamping part 1012 is clamped.The clamping part 1012 is arranged
In one end far from the fixed part 103 on the clamping arm body 1011, and the clamping part 1012 and the clamping limb sheet
It is arranged in predetermined angle between body 1011.
It is perpendicular between setting clamping part 1012 and clamping arm body 1011 as a kind of realization method in the embodiment,
And the clamping part 1012 in each flexible clamp arm 1 extends towards same direction, i.e., extends along the direction of fixed part 103 or carry on the back
Extend to the direction of fixed part.By being in the clamping part of predetermined angle setting with clamping arm body 1011, which is blocked
On wheel, in order to determine tire centerline, and then the static(al) radius of tire is measured.
Further, it is equipped with the first groove 1013 towards the first surface of the fixed part 103 on the clamping part 1012,
First groove 103 when measuring outer diameter for being positioned.
It is equipped with the second groove 1014 backwards to the second surface of the fixed part 103 on the clamping part 1012, this is second recessed
Slot 1014 when measuring internal diameter for being positioned.
Wherein, the measuring device further includes a handgrip 3, and the handgrip 3 is fixed on the fixed part 103
On.
Further, handgrip 3 includes the mounting portion being connected with fixed part and is connected with the mounting portion
Handle, the handle provide tester holding end, in order to carry out tire static(al) radius measurement.Wherein, mounting portion can
To be spirally connected (such as with fixed part：Mounting portion is equipped with fluting, and internal thread is equipped in the fluting, and the outer surface of fixed part is equipped with interior spiral shell
Line), it can also be clamped or weld with fixed part, the utility model is not limited.
The detailed process of tire centerline is measured using the measuring device：The fastener 2 for locking clamp arm 1 of stretching is unscrewed, is led to
It crosses adjustment clamping limb 101 and measuring arm 102 adjusts flexible clamp arm 1 to maximum length.Three flexible clamp arm 1 are fixed on tire
It above or is fixed in wheel rim, and three flexible clamp arm 1 is locked to by identical quarter in measuring arm 102 by fastener 2 respectively
Degree, the length to ensure three flexible clamp arm 1 is consistent, in this way, the central point 4 of 3 upper mounting portion of handgrip is in tire
Heart point, and then the accurate static(al) radius for measuring tire, it is easy to operate, and measurement result is accurate, avoids error.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
The fingers such as degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside"
The orientation or positional relationship shown be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and
Simplify description, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration
And operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is at least two, example
Such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be
Mechanical connection can also be electrical connection or can communicate with one another；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, can be the interaction relationship of the connection or two elements inside two elements.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Above-described is preferred embodiments of the present invention, it should be pointed out that for the ordinary person of the art
For, it can also make several improvements and retouch under the premise of not departing from principle described in the utility model, these are improved and profit
Decorations are also within the protection scope of the present utility model.
Claims (9)
1. a kind of measuring device of tire centerline, which is characterized in that including：
The first end of three flexible clamp arm (1), each flexible clamp arm (1) is connected by a fixed part (103), and around institute
It is rotatable to state fixed part (103)；
Wherein, the flexible clamp arm (1) includes：Clamping limb (101) and the measuring arm being flexibly connected with the clamping limb (101)
(102), and the measuring arm (102) is removable along the extending direction of the clamping limb (101).
2. the measuring device of tire centerline according to claim 1, which is characterized in that three flexible clamp arm (1) packets
It includes：
First flexible clamp arm (11), the fixed part (103) are set in the first end of the described first flexible clamp arm (11)；
The first end of second flexible clamp arm (12), the second flexible clamp arm (12) is equipped with first annular interconnecting piece (121)；
Third is stretched clamp arm (13), and the stretch first end of clamp arm (13) of the third is equipped with the second annular interconnecting piece (131)；
The first annular interconnecting piece (121) and the second annular interconnecting piece (131) are sheathed on the fixed part (103) respectively
On, and the second flexible clamp arm (12) and the flexible clamp arm (13) of the third are rotatable around the fixed part (103).
3. the measuring device of tire centerline according to claim 1, which is characterized in that the clamping limb (101) is in hollow
Structure；
The measuring arm (102) is inserted in the inside of the clamping limb (101), and the first end of the measuring arm (102) passes through
The fixed part (103) is connected, and rotatable around the fixed part (103).
4. the measuring device of tire centerline according to claim 3, which is characterized in that the clamping limb (101) is equipped with
Through the mounting hole of side wall；
It is described solid by being arranged in when the inside that the measuring arm (102) is inserted in the clamping limb (101) reaches precalculated position
Determine fastener (2) locking in hole.
5. the measuring device of tire centerline according to claim 1, which is characterized in that the appearance of the measuring arm (102)
Face is marked with graduation mark.
6. the measuring device of tire centerline according to claim 1, which is characterized in that the clamping limb (101) includes：
Arm body (1011) is clamped；
Clamping part (1012), the clamping part (1012) are set on the clamping arm body (1011) far from the fixed part
(103) one end, and be arranged in predetermined angle between the clamping part (1012) and the clamping arm body (1011).
7. the measuring device of tire centerline according to claim 6, which is characterized in that direction on the clamping part (1012)
The first surface of the fixed part (103) is equipped with the first groove (1013).
8. the measuring device of tire centerline according to claim 6, which is characterized in that on the clamping part (1012) backwards
The second surface of the fixed part (103) is equipped with the second groove (1014).
9. the measuring device of tire centerline according to claim 1, which is characterized in that the measuring device further includes holding
Structure (3) is held, the handgrip (3) is fixed on the fixed part (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820385196.4U CN207923012U (en) | 2018-03-21 | 2018-03-21 | A kind of measuring device of tire centerline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820385196.4U CN207923012U (en) | 2018-03-21 | 2018-03-21 | A kind of measuring device of tire centerline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207923012U true CN207923012U (en) | 2018-09-28 |
Family
ID=63595859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820385196.4U Active CN207923012U (en) | 2018-03-21 | 2018-03-21 | A kind of measuring device of tire centerline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207923012U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763410A (en) * | 2019-03-18 | 2019-05-17 | 中交一公局海威工程建设有限公司 | Curve control device |
| CN114264272A (en) * | 2022-01-19 | 2022-04-01 | 深圳市道通科技股份有限公司 | Calibration support and calibration system |
-
2018
- 2018-03-21 CN CN201820385196.4U patent/CN207923012U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763410A (en) * | 2019-03-18 | 2019-05-17 | 中交一公局海威工程建设有限公司 | Curve control device |
| CN109763410B (en) * | 2019-03-18 | 2023-09-19 | 中交一公局海威工程建设有限公司 | Curve line type control device |
| CN114264272A (en) * | 2022-01-19 | 2022-04-01 | 深圳市道通科技股份有限公司 | Calibration support and calibration system |
| CN114264272B (en) * | 2022-01-19 | 2024-01-16 | 深圳市道通科技股份有限公司 | Calibration support and calibration system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200911 Address after: 100130 Zhaofeng Town, Shunyi District, Beijing Zhaofeng industrial base Tongxin Road No. 1 Patentee after: BAIC GROUP ORV Co.,Ltd. Address before: 101300, 99, Shuanghe Avenue, Renhe Town, Beijing, Shunyi District Patentee before: BEIJING AUTOMOBILE RESEARCH GENERAL INSTITUTE Co.,Ltd. |
|
| TR01 | Transfer of patent right |