CN210154524U - Measuring unit and four-wheel aligner - Google Patents
Measuring unit and four-wheel aligner Download PDFInfo
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- CN210154524U CN210154524U CN201920614203.8U CN201920614203U CN210154524U CN 210154524 U CN210154524 U CN 210154524U CN 201920614203 U CN201920614203 U CN 201920614203U CN 210154524 U CN210154524 U CN 210154524U
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Abstract
The application discloses measuring unit and four-wheel aligner, measuring unit includes base, mark target, laser unit, tire camera and benchmark camera all are fixed in on the base. The device realizes non-contact measurement of angles, wheel track difference and wheel base difference of the automobile tire by combining the pictures shot by the tire camera and the position pictures of the target shot by the reference camera with algorithm calculation, the wheel clamp and the target are not required to be fixed on the wheel hub in a manual mode in the measurement process, the wheel hub is not damaged, the operation is simple and easy, the speed is high, the precision is high, and the requirement that the automobile is driven out from the front end after measurement can be met.
Description
Technical Field
The application relates to the field of four-wheel positioning, in particular to a measuring unit and a four-wheel aligner.
Background
The four-wheel aligner that currently generally uses has toe-in chi and optical level appearance, acts as go-between aligner, CCD locater, laser locator and several kinds such as 3D image locator, and wherein 3D, CCD and laser product are three major products on the existing market, but all need fix wheel clamp and mark target on wheel hub with artifical mode, and the operation is complicated hard, consuming time, precision subalternation problem.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the application aims at providing a measuring unit for measuring the angles of four wheels of an automobile in a non-contact mode.
One of the purposes of the application is realized by adopting the following technical scheme:
the measuring unit comprises a base, a target, a laser unit, a tire camera and a reference camera, wherein the target, the laser unit, the tire camera and the reference camera are all fixed on the base.
Further, the measuring unit further comprises a laser cover body and a front cover, the laser cover body and the front cover are fixed on the base, the tire camera and the laser unit are arranged in an accommodating space formed by the laser cover body and the front cover, a lens of the tire camera faces the front cover and is crossed with the orientation of the laser lens of the laser unit, and the orientation of the lens of the reference camera is perpendicular to or parallel to the orientation of the lens of the tire camera.
The four-wheel aligner comprises a first front measuring component, a second front measuring component, a first rear measuring component and a second rear measuring component, wherein the first front measuring component comprises a first measuring unit, a front guide rail component and a connecting arm component; the second front measuring component comprises a second measuring unit, a front guide rail component and a connecting arm component; the first rear measuring component comprises a first measuring unit, a rear guide rail component and a connecting arm component; the second rear measuring component comprises a second measuring unit, a rear guide rail component and a connecting arm component; the first front measuring component, the second front measuring component, the first rear measuring component and the second rear measuring component are respectively positioned at four corners of a quadrangle, the first front measuring component and the first rear measuring component are respectively positioned at one pair of diagonal positions of the quadrangle, the second front measuring component and the second rear measuring component are respectively positioned at the other pair of diagonal positions of the quadrangle, each measuring unit of the two first measuring units and the two second measuring units comprises a base, and a target, a reference camera, a laser unit and a tire camera which are sequentially fixed on the base, and the lens orientation of the tire camera is crossed with the laser lens orientation of the laser unit; in the first measurement unit, the lens orientation of the reference camera is perpendicular to the lens orientation of the tire camera; in the second measurement unit, the lens orientation of the reference camera is parallel to the lens orientation of the tire camera.
Further, the aperture of the reference camera of the first measurement unit is greater than or equal to the aperture of the reference camera of the second measurement unit.
Furthermore, the first front measuring assembly is fixedly connected to the lifting machine through a front guide rail assembly, and the first front measuring assembly is fixedly connected with the front guide rail assembly through the connecting arm assembly; the second front measuring assembly is fixedly connected to the lifting machine through another front guide rail assembly, and the second front measuring assembly is fixedly connected with the front guide rail assembly through the connecting arm assembly; the first rear measuring assembly is fixedly connected to the lifting machine through the rear guide rail assembly, and the first rear measuring assembly is fixedly connected with the rear guide rail assembly through the connecting arm assembly; the measuring component passes through another behind the second rear rail subassembly fixed connection in on the machine of lifting, behind the second measuring component with the rear rail subassembly passes through linking arm subassembly fixed connection.
Furthermore, the front guide rail assembly comprises a front guide rail bottom plate, two front slide rails, two slide blocks, a slide block connecting plate and a front drag chain, the two front slide rails are fixedly connected with the front guide rail bottom plate and are symmetrically arranged, the two slide blocks are respectively connected with the two front slide rails in a one-to-one sliding manner, the slide block connecting plate is arranged on the upper surfaces of the two slide blocks and is fixedly connected with the slide blocks, one end of the front drag chain is fixedly connected with the front guide rail bottom plate, and the other end of the front drag chain is fixedly connected with the connecting arm assembly; the rear guide rail assembly comprises a rear guide rail bottom plate, two rear slide rails, two sliders, a slider connecting plate and a rear drag chain, the two rear slide rails are fixedly connected with the rear guide rail bottom plate and symmetrically arranged, the two sliders are respectively connected with the two rear slide rails in a sliding manner, the slider connecting plate is arranged on the upper surfaces of the two sliders and fixedly connected with the sliders, one end of the rear drag chain is fixedly connected with the rear guide rail bottom plate, and the other end of the rear drag chain is fixedly connected with the connecting arm assembly.
Furthermore, the front guide rail bottom plate is adaptive to the lengths of the two front slide rails, the rear guide rail bottom plate is adaptive to the length of the rear slide rail, and the lengths of the front guide rail bottom plate and the rear guide rail bottom plate are different.
Further, the length of the front drag chain is greater than that of the front guide rail bottom plate, the length of the rear drag chain is greater than that of the rear guide rail bottom plate, and the length of the front drag chain is different from that of the rear drag chain.
Further, the connecting arm assembly comprises a connecting arm, a connecting arm cover, a sliding cover plate, a small slider connecting plate, two rear sliding rails, two small sliders, two positioning blocks and two handles, wherein the two rear sliding rails are arranged in the connecting arm and are symmetrically arranged, the two positioning blocks and the two rear sliding rails are respectively in one-to-one sliding connection, the two small sliders and the two rear sliding rails are in one-to-one sliding connection, the small slider connecting plate is arranged on the upper surfaces of the two positioning blocks and is fixedly connected with the positioning blocks, the connecting arm is fixedly connected with the small slider connecting plate, the connecting arm cover and the sliding cover plate are fixedly connected with the connecting arm, one handle of the two handles is arranged below the positioning blocks, and the other handle is arranged on the connecting plate at one end of the connecting arm.
Furthermore, the front drag chain and the rear drag chain are made of plastic materials.
Compared with the prior art, the beneficial effects of the application lie in: the device realizes non-contact measurement of angles, wheel track difference and wheel base difference of the automobile tire by combining the pictures shot by the tire camera and the position pictures of the target shot by the reference camera with algorithm calculation, the wheel clamp and the target are not required to be fixed on the wheel hub in a manual mode in the measurement process, the wheel hub is not damaged, the operation is simple and easy, the speed is high, the precision is high, and the requirement that the automobile is driven out from the front end after measurement can be met.
Drawings
Fig. 1 is a schematic structural diagram of a four-wheel aligner mounted on a lifting machine according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a four-wheel aligner provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of a measurement unit according to an embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of a guide rail assembly and a connecting arm assembly of a tire alignment apparatus according to an embodiment of the present disclosure.
In the figure:
1. a measuring unit; 10. a base; 14. a target; 11. a laser unit; 12. a tire camera; 15. a reference camera; 130. a laser cover body; 133. a front cover; 16. a target box; 161. a first case lens; 162. a second case lens; 231. an aviation socket; 3. a push handle; 135. an indicator light; 131. a laser lens; 132. a camera lens; 100. a four-wheel aligner; 10. a first front measurement component; 20. a second pre-measurement assembly; 30. a first post-measurement component; 40. a second post-measurement component; 50. a lifter; 101. a first measurement unit; 102. a front rail assembly; 103. a connecting arm assembly; 201. a second measurement unit; 301. a rear guide rail assembly; 21. a front rail floor; 221. a front slide rail; 222. a slider; 234. a slider connecting plate; 25. a front tow chain; 231. a connecting arm; 232. a connecting arm cover; 233. a sliding cover plate; 235. a small slider connecting plate; 241. a rear slide rail; 262. positioning blocks; 261. a first handle; 263. a second handle; 18. a drag chain fixing seat.
Detailed Description
The present application is further described with reference to the accompanying drawings and the detailed description, and it should be noted that, in the present application, the embodiments or technical features described below may be arbitrarily combined to form a new embodiment without conflict.
It should be noted that all the directional indications (such as upper, lower, left, right, front, back, top and bottom … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components in a specific posture (as shown in the figure), and if the specific posture is changed, the directional indication is changed accordingly.
It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Referring to fig. 3, a measuring unit 1 is used for a four-wheel aligner 100, the measuring unit 1 includes a base 10, a target 14, a laser unit 11, a tire camera 12 and a reference camera 15, and the target 14, the laser unit 11, the tire camera 12 and the reference camera 15 are all fixed on the base 10.
The laser unit 11 emits laser light to the tire, the tire camera 12 photographs the laser light hitting the tire, the non-contact measurement can be realized by combining the pictures shot by the tire camera 12 with the algorithm to calculate the angles of the automobile tire, and comprises a front toe angle of a front wheel and a rear wheel, an camber angle of the front wheel and a rear wheel, a caster angle of a front wheel kingpin, a propulsion angle of a rear wheel, a forward spread angle of a steering degree, a wheel distance difference and the like, the wheel clamp and the target 14 are not required to be fixed on the wheel hub in a manual mode in the measurement process, the wheel hub is not damaged, and the operation is simple, fast and high in precision, and the requirement that the vehicle is driven from the front end after measurement can be met, the reference camera 15 shoots the target 14 on the adjacent measurement unit 1, the position of each measuring unit 1 can be calculated by taking a picture of the position of the target 14 by the reference camera 15 to reduce errors due to the orientation in which the measuring unit 1 is placed.
Preferably, the measuring unit 1 further includes a laser cover 130 and a front cover 133, the laser cover 130 and the front cover 133 are fixed to the base 10, the tire camera 12 and the laser unit 11 are disposed in the accommodating space formed by the laser cover 130 and the front cover 133, the lens of the tire camera 12 faces the front cover 133 and intersects with the lens of the laser unit 11, and the lens of the reference camera 15 faces the lens of the tire camera 12 perpendicularly or parallel to the lens.
On the same measuring unit 1, the lens orientation of the tire camera 12 is crossed with the laser lens orientation of the laser unit 11, and the lens orientation of the reference camera 15 is perpendicular to or parallel to the lens orientation of the tire camera 12.
Since the reference cameras 15 are used for shooting targets on the adjacent tire positioning instruments 100, and the four tire positioning instruments 100 are respectively placed at four wheels of the automobile, the shooting directions of the reference cameras 15 on the adjacent tire positioning instruments 100 are different, and the shooting directions of the reference cameras 15 on the two opposite-angle tire positioning instruments are the same.
The measuring unit 1 further comprises a target box 16, the target box 16 is fixed on the base 10, a first box body lens 161 and a second box body lens 162 are arranged on the target box 16, the first box body lens 161 and the second box body lens 162 are arranged on two mutually perpendicular side surfaces of the target box 16, one of the target 14 and the reference camera 15 is arranged close to the first box body lens 161, and the other one is arranged close to the second box body lens 162.
The base 10 is further provided with an aviation socket 231 for signal output, the back of the laser cover 130 is provided with a push handle 3 for pushing the measuring unit 1, the laser cover 130 is further provided with an indicator lamp 135 for displaying the working state of the measuring unit 1, the front cover 133 is provided with a laser lens 131 corresponding to the laser assembly, and the front cover 133 is provided with a camera lens 132 corresponding to the tire camera 12.
Referring to fig. 1 and 2, the four-wheel aligner 100 includes a first front measurement module 10, a second front measurement module 20, a first rear measurement module 30, and a second rear measurement module 40, where the first front measurement module 10 includes a first measurement unit 101, a front guide rail module 102, and a connecting arm module 103; the second front measuring assembly 20 comprises a second measuring unit 201, a front rail assembly 102, a connecting arm assembly 103; the first rear measuring assembly 30 comprises a first measuring unit 101, a rear guide rail assembly 301 and a connecting arm assembly 103; the second rear measuring assembly 40 comprises a second measuring unit 201, a rear guide rail assembly 301 and a connecting arm assembly 103; the first front measuring component 10, the second front measuring component 20, the first rear measuring component 30 and the second rear measuring component 40 are respectively located at four corners of a quadrangle, the first front measuring component 10 and the first rear measuring component 30 are respectively located at one pair of diagonal positions of the quadrangle, the second front measuring component 20 and the second rear measuring component 40 are respectively located at the other pair of diagonal positions of the quadrangle, each measuring unit 1 of the two first measuring units 101 and the two second measuring units 201 comprises a base 10 and a target 14, a reference camera 15, a laser unit 11 and a tire camera 12 which are sequentially fixed on the base 10, and the lens orientation of the tire camera 12 is crossed with the laser lens orientation of the laser unit 11; in the first measurement unit 101, the lens orientation of the reference camera 15 is perpendicular to the lens orientation of the tire camera 12; in the second measurement unit 201, the lens orientation of the reference camera 15 is parallel to the lens orientation of the tire camera 12.
The first preceding measuring component 10 is close to the left front wheel, the second preceding measuring component 20 is close to the right front wheel, the first back measuring component 30 is close to the right back wheel, the second back measuring component 40 is close to the left back wheel, the target 14 on the second back measuring component 40 is shot to the benchmark camera 15 on the first preceding measuring component 10, the target 14 on the first back measuring component 30 is shot to the benchmark camera 15 on the second back measuring component 40, the target 14 on the second preceding measuring component 20 is shot to the benchmark camera 15 on the first back measuring component 30, the target 14 on the first preceding measuring component 10 is shot to the benchmark camera 15 on the second preceding measuring component 20.
Preferably, the aperture of the reference camera 15 of the first measuring unit 101 is greater than or equal to the aperture of the reference camera 15 of the second measuring unit 201.
Since a typical automobile is rectangular, the reference camera 15 on the first front measuring component 10 photographs the target 14 on the second rear measuring component 40, the reference camera 15 on the second rear measuring component 40 photographs the target 14 on the first rear measuring component 30, the reference camera 15 on the first rear measuring component 30 photographs the target 14 on the second front measuring component 20, and the reference camera 15 on the second front measuring component 20 photographs the target 14 on the first front measuring component 10. The shooting paths of the reference camera 15 on the first front measuring assembly 10 and the reference camera 15 on the first rear measuring assembly 10 are larger than the shooting paths of the reference camera 15 on the second front measuring assembly 20 and the reference camera 15 on the second rear measuring assembly 30, and the aperture of the reference camera 15 of the first measuring unit 101 is larger than or equal to the aperture of the reference camera 15 of the second measuring unit 201, so that the shooting of the reference camera 15 on each measuring assembly is accurate.
Preferably, the first front measuring assembly 10 is fixedly connected to the lifting machine 50 through a front rail assembly 102, and the first front measuring assembly 10 and the front rail assembly 102 are fixedly connected through the connecting arm assembly 103; the second front measuring assembly 20 is fixedly connected to the lifting machine 50 through another front rail assembly 102, and the second front measuring assembly 20 and the front rail assembly 102 are fixedly connected through the connecting arm assembly 103; the first rear measuring component 30 is fixedly connected to the lifting machine 50 through a rear guide rail component 301, and the first rear measuring component 30 and the rear guide rail component 301 are fixedly connected through the connecting arm component 103; measuring subassembly 40 is through another behind the second rear rail subassembly 301 fixed connection in on the machine of lifting 50, measuring subassembly 40 behind the second with rear rail subassembly 301 passes through connecting arm subassembly 103 fixed connection.
Each front rail assembly 102 and each rear rail assembly 301 are removably connected to the lift 50 such that the position of each measurement assembly is fixed, and in particular, the position of the four wheel aligner can be adjusted based on the position of the vehicle prior to measurement and fixed once the position is determined.
Preferably, referring to fig. 4, the front rail assembly 102 includes a front rail bottom plate 21, two front slide rails 221, two sliders 222, a slider connecting plate 234, and a front tow chain 25, wherein the two front slide rails 221 are fixedly connected to the front rail bottom plate 21 and symmetrically arranged, the two sliders 222 are respectively connected to the two front slide rails 221 in a one-to-one sliding manner, the slider connecting plate 234 is fixedly connected to the sliders 222, one end of the front tow chain 25 is fixedly connected to the front rail bottom plate 21, and the other end is fixedly connected to the connecting arm assembly 103; the rear guide rail assembly 301 comprises a rear guide rail bottom plate, two rear slide rails, two sliders 222, a slider connecting plate 23 and a rear drag chain, the two rear slide rails and the rear guide rail bottom plate are fixedly connected and symmetrically arranged, the two sliders 222 are respectively in one-to-one sliding connection with the two rear slide rails, the slider connecting plate 23 is arranged on the upper surfaces of the two sliders 222 and is fixedly connected with the sliders 222, one end of the rear drag chain is fixedly connected with the rear guide rail bottom plate, and the other end of the rear drag chain is fixedly connected with the connecting arm assembly 103.
Preferably, the front guide rail bottom plate 21 is adapted to the lengths of the two front slide rails 221, the rear guide rail bottom plate is adapted to the length of the rear slide rail, and the lengths of the front guide rail bottom plate 21 and the rear guide rail bottom plate are different.
Preferably, the length of the front drag chain 25 is greater than that of the front guide rail bottom plate 21, the length of the rear drag chain is greater than that of the rear guide rail bottom plate, and the length of the front drag chain 25 is different from that of the rear drag chain.
Preferably, the connecting arm assembly 103 includes a connecting arm 231, a connecting arm cover 232, a sliding cover 233, a small slider connecting plate 23, two rear sliding rails 241, two small sliders 222, two positioning blocks 262, and a handle 11, where the two rear sliding rails 241 are disposed in the connecting arm 231 and symmetrically arranged, the two small sliders 222 are slidably connected to the two rear sliding rails 241 one by one, the positioning blocks 262 are fixed on the rear sliding rails 241, the small slider connecting plate 23 is disposed on the upper surfaces of the two positioning blocks 262 and fixedly connected to the positioning blocks 262, the connecting arm cover 232 is fixedly connected to the connecting arm 231, and the handle 11 is disposed below the connecting arm 231 and connected to the positioning blocks 262.
The front rail assembly 102 and the rear rail assembly 301 have the same structure, the front rail base plate 21 is fixedly connected to the lifter 50, the front rail 221 is fixedly connected to the front rail base plate 21, the slider 222 is slidably connected to the front rail 221, the connecting arm 231 is fixedly connected to the slider 222, so that the connecting arm 231 can slide along the front rail 221, the rear rail 241 is fixedly connected to the connecting arm 231, the small slider 222 is slidably connected to the rear rail 241, the measuring unit 1 is fixedly connected to the small slider 222, so that the measuring unit 1 can slide along the rear rail 241, the length direction of the rear rail 241 is perpendicular to the length direction of the front rail 221, the length direction of the front rail 221 is the same as the length direction of the vehicle body, and the length direction of the rear rail 241 is the same as the width direction of the vehicle body, in conclusion, the measuring unit 1 can move along two mutually perpendicular directions to adjust the position, specifically, when the measuring unit 1 needs to move in, the sliding of the slider 222 relative to the front sliding rail 221 is realized, and when the measuring unit 1 needs to move in the left-right direction, the sliding of the small slider 222 relative to the rear sliding rail 241 is realized.
A slider connecting plate 23 is connected between the connecting arm 231 and the slider 222, a small slider connecting plate 235 is connected between the small slider 242 and the measuring unit 1, and a sliding cover 233 is connected between the small slider connecting plate 235 and the measuring unit 1. The connecting arm 231 is covered with a connecting arm cover 232. A positioning block (not shown) is fixedly connected to the front slider 222, the first handle 261 passes through the slider connecting plate 23 from a side of the slider connecting plate 234 away from the positioning block to be fixedly connected with the positioning block, so as to position the slider 222 relative to the front guide rail base plate 21, another positioning block 262 is fixedly connected to the slider 222, and the second handle 263 passes through the connecting arm 231 and the small slider 242 to be fixedly connected with the another positioning block 262, so as to position the small slider 242 relative to the connecting arm 231 as needed. The front drag chain 25 connects the front rail bottom plate 21 and the connecting arm 231 to limit the stroke of the connecting arm 231 relative to the front rail bottom plate 21. The front drag chain 25 and the rear drag chain are made of plastic materials.
The number of the front slide rail 221, the slider 222, the rear slide rail 241 and the small slider 222 may be two. The front rail 221 needs to be installed within the front rail base plate 2. The fixed connection between each component is preferably a bolt connection, but other connection modes can also be adopted. The measuring unit 1 is fixedly connected with a drag chain fixing seat 18, and one end of the front drag chain 25 is fixed on the drag chain fixing seat 18 corresponding to the measuring unit 1.
The above embodiments are only preferred embodiments of the present application, and the protection scope of the present application is not limited thereto, and any insubstantial changes and substitutions made by those skilled in the art based on the present application are intended to be covered by the present application.
Claims (10)
1. The measuring unit is used for a four-wheel aligner and is characterized by comprising a base, a target, a laser unit, a tire camera and a reference camera, wherein the target, the laser unit, the tire camera and the reference camera are all fixed on the base.
2. The measurement unit of claim 1, further comprising a laser cover and a front cover, wherein the laser cover and the front cover are fixed on the base, the tire camera and the laser unit are disposed in a containing space formed by the laser cover and the front cover, a lens of the tire camera faces the front cover and intersects with a laser lens orientation of the laser unit, and a lens of the reference camera faces perpendicular to or parallel to the lens orientation of the tire camera.
3. The four-wheel aligner is characterized by comprising a first front measuring component, a second front measuring component, a first rear measuring component and a second rear measuring component, wherein the first front measuring component comprises a first measuring unit, a front guide rail component and a connecting arm component; the second front measuring component comprises a second measuring unit, a front guide rail component and a connecting arm component; the first rear measuring component comprises a first measuring unit, a rear guide rail component and a connecting arm component; the second rear measuring component comprises a second measuring unit, a rear guide rail component and a connecting arm component; the first front measuring component, the second front measuring component, the first rear measuring component and the second rear measuring component are respectively positioned at four corners of a quadrangle, the first front measuring component and the first rear measuring component are respectively positioned at one pair of diagonal positions of the quadrangle, the second front measuring component and the second rear measuring component are respectively positioned at the other pair of diagonal positions of the quadrangle, each measuring unit of the two first measuring units and the two second measuring units comprises a base, and a target, a reference camera, a laser unit and a tire camera which are sequentially fixed on the base, and the lens orientation of the tire camera is crossed with the laser lens orientation of the laser unit; in the first measurement unit, the lens orientation of the reference camera is perpendicular to the lens orientation of the tire camera; in the second measurement unit, the lens orientation of the reference camera is parallel to the lens orientation of the tire camera.
4. A four-wheel aligner according to claim 3, wherein the aperture of the reference camera of the first measuring unit is greater than or equal to the aperture of the reference camera of the second measuring unit.
5. The four-wheel aligner according to claim 3, wherein the first front measuring assembly is fixedly connected to the lifter through a front guide rail assembly, and the first front measuring assembly is fixedly connected with a front guide rail assembly through the connecting arm assembly; the second front measuring assembly is fixedly connected to the lifting machine through another front guide rail assembly, and the second front measuring assembly is fixedly connected with the front guide rail assembly through the connecting arm assembly; the first rear measuring assembly is fixedly connected to the lifting machine through the rear guide rail assembly, and the first rear measuring assembly is fixedly connected with the rear guide rail assembly through the connecting arm assembly; the measuring component passes through another behind the second rear rail subassembly fixed connection in on the machine of lifting, behind the second measuring component with the rear rail subassembly passes through linking arm subassembly fixed connection.
6. The four-wheel aligner according to claim 3, wherein the front guide rail assembly comprises a front guide rail base plate, two front slide rails, two slide blocks, a slide block connecting plate and a front drag chain, the two front slide rails are fixedly connected with the front guide rail base plate and symmetrically arranged, the two slide blocks are respectively connected with the two front slide rails in a one-to-one sliding manner, the slide block connecting plate is fixedly connected with the slide blocks, one end of the front drag chain is fixedly connected with the front guide rail base plate, and the other end of the front drag chain is fixedly connected with the connecting arm assembly; the rear guide rail assembly comprises a rear guide rail bottom plate, two rear slide rails, two sliders, a slider connecting plate and a rear drag chain, the two rear slide rails are fixedly connected with the rear guide rail bottom plate and symmetrically arranged, the two sliders are respectively in one-to-one sliding connection with the two rear slide rails, the slider connecting plate is arranged on the upper surfaces of the two sliders and fixedly connected with the sliders, one end of the rear drag chain is fixedly connected with the rear guide rail bottom plate, and the other end of the rear drag chain is fixedly connected with the connecting arm assembly.
7. The four-wheel aligner according to claim 6, wherein the front rail base plate is adapted to the lengths of the two front rails, the rear rail base plate is adapted to the lengths of the rear rails, and the front rail base plate is different from the rear rail base plate in length.
8. The four-wheel aligner according to claim 6, wherein the front tow chain has a length greater than the front guide rail bottom plate, the rear tow chain has a length greater than the rear guide rail bottom plate, and the length of the front tow chain is different from the length of the rear tow chain.
9. The four-wheel aligner according to claim 6, wherein the connecting arm assembly comprises a connecting arm, a connecting arm cover, a sliding cover plate, a small slide block connecting plate, two rear slide rails, two small slide blocks, two positioning blocks and a handle, the two rear slide rails are arranged in the connecting arm and are symmetrically arranged, the two small slide blocks are connected with the two rear slide rails in a one-to-one sliding manner, the positioning blocks are fixed on the rear slide rails, the small slide block connecting plate is arranged on the upper surfaces of the two positioning blocks and is fixedly connected with the positioning blocks, the connecting arm cover is fixedly connected with the connecting arm, and the handle is arranged below the connecting arm and is connected with the positioning blocks.
10. The four-wheel aligner according to claim 6, wherein the front tow chain and the rear tow chain are made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920614203.8U CN210154524U (en) | 2019-04-28 | 2019-04-28 | Measuring unit and four-wheel aligner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920614203.8U CN210154524U (en) | 2019-04-28 | 2019-04-28 | Measuring unit and four-wheel aligner |
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| CN210154524U true CN210154524U (en) | 2020-03-17 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111624002A (en) * | 2020-07-09 | 2020-09-04 | 江西应用技术职业学院 | Automobile four-wheel positioning auxiliary device |
| CN113008165A (en) * | 2021-02-05 | 2021-06-22 | 深圳市易检车服软件开发有限公司 | Wheel positioning method, terminal device and system of vehicle |
| CN113587832A (en) * | 2021-08-21 | 2021-11-02 | 盐城高玛电子设备有限公司 | Non-contact automatic measuring device and method for wheel base difference and wheel base |
| CN114778143A (en) * | 2022-05-16 | 2022-07-22 | 长安大学 | Non-target non-contact automobile four-wheel positioning detection device and detection method |
-
2019
- 2019-04-28 CN CN201920614203.8U patent/CN210154524U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111624002A (en) * | 2020-07-09 | 2020-09-04 | 江西应用技术职业学院 | Automobile four-wheel positioning auxiliary device |
| CN111624002B (en) * | 2020-07-09 | 2021-11-02 | 江西应用技术职业学院 | Automobile four-wheel positioning auxiliary device |
| CN113008165A (en) * | 2021-02-05 | 2021-06-22 | 深圳市易检车服软件开发有限公司 | Wheel positioning method, terminal device and system of vehicle |
| CN113008165B (en) * | 2021-02-05 | 2023-08-22 | 深圳市易检车服软件开发有限公司 | Vehicle wheel positioning method, terminal equipment and system |
| CN113587832A (en) * | 2021-08-21 | 2021-11-02 | 盐城高玛电子设备有限公司 | Non-contact automatic measuring device and method for wheel base difference and wheel base |
| CN113587832B (en) * | 2021-08-21 | 2023-09-01 | 盐城高玛电子设备有限公司 | Non-contact automatic measuring device and method for wheelbase difference and wheelbase |
| CN114778143A (en) * | 2022-05-16 | 2022-07-22 | 长安大学 | Non-target non-contact automobile four-wheel positioning detection device and detection method |
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