CN113669579B

CN113669579B - Automobile calibration equipment

Info

Publication number: CN113669579B
Application number: CN202110939083.0A
Authority: CN
Inventors: 张函
Original assignee: Autel Intelligent Technology Corp Ltd
Current assignee: Autel Intelligent Technology Corp Ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2023-03-28
Anticipated expiration: 2041-08-16
Also published as: CN113669579A

Abstract

The invention relates to the technical field of automobile calibration, and provides automobile calibration equipment which comprises a base, an upper cover, a sliding rail, a mounting seat, a bracket device and a calibration element, wherein the sliding rail is arranged on the base; the support device comprises a cross beam and an upright post, the upright post is arranged on the upper cover, the cross beam is arranged on the upright post, the calibration element is arranged on the cross beam, and the calibration element is used for calibrating an advanced auxiliary driving system of the vehicle. The adjustment is convenient, the adjustment precision is high, the operation flexibility is good, and the user experience is good.

Description

Automobile calibration equipment

Technical Field

The invention relates to the technical field of automobile calibration, in particular to automobile calibration equipment.

Background

In the field of automobile maintenance, such as four-wheel positioning, advanced Driver Assistance Systems (ADAS) calibration and other processes, it is necessary to move an automobile calibration device to the front end of an automobile, keep the center of the calibration device coincident with the center of the automobile, and calibrate driving assistance devices such as a camera and a radar by using a beam for suspending a calibration element perpendicular to the center line of the automobile.

At present, the movement of the calibration device of the vehicle is usually realized by dragging the whole calibration device or by means of an external trailer device, and the following disadvantages mainly exist in the way of moving the calibration device of the vehicle:

due to different environments of automobile calibration, especially when the automobile calibration device works on a severe ground, the position adjustment precision of the automobile calibration device is not high, the operation is not flexible enough, and the user experience is poor.

Disclosure of Invention

The invention provides an automobile calibration device, which solves the technical problems of low position adjustment precision, inflexible operation and poor user experience.

In order to solve the technical problem, the automobile calibration equipment comprises a base, an upper cover, a slide rail, a mounting seat, a bracket device and a calibration element, wherein the slide rail is arranged on the base, the mounting seat is arranged on the slide rail in a sliding manner through a slide block, and the upper cover is rotatably arranged on the mounting seat; the support device comprises a cross beam and an upright post, the upright post is arranged on the upper cover, the cross beam is arranged on the upright post, the calibration element is arranged on the cross beam, and the calibration element is used for calibrating an advanced auxiliary driving system of the vehicle.

Optionally, a first bearing is arranged on the mounting seat, a connecting shaft is connected between the first bearing and the upper cover, and the upper cover is rotatably arranged on the mounting seat through the first bearing and the connecting shaft.

Optionally, a first friction plate is arranged at the bottom of the mounting seat, a second friction plate is arranged at one end, close to the mounting seat, of the connecting shaft, and the first friction plate is in contact connection with the second friction plate.

Optionally, a key groove is formed in the connecting shaft and located at the joint of the connecting shaft and the second friction plate, and a key is arranged in the key groove.

Optionally, a belleville spring is disposed between the first friction plate and the second friction plate.

Optionally, the connecting shaft passes through the mounting seat, and the first friction plate and the second friction plate are respectively located at the bottom end of the mounting seat.

Optionally, a first nut is further arranged on the connecting shaft in a transmission mode, the first nut is located on one side, away from the upper cover, of the first bearing, and the first nut is arranged on the first bearing in an abutting mode.

Optionally, the first friction plate includes a contact portion, two sides of the contact portion are respectively provided with a connecting portion, two sides of the contact portion are respectively connected with the bottom end of the mounting seat through two connecting portions, and the contact portion is in contact connection with the second friction plate;

an accommodating space is formed between the two connecting parts and the contact part, and the first nut is positioned in the accommodating space.

Optionally, a baffle is disposed between the first bearing and the first nut.

Optionally, an accommodating cavity is formed in one surface, close to the upper cover, of the mounting seat, a second bearing is further sleeved on the connecting shaft, and the second bearing is located in the accommodating cavity and used for supporting the upper cover;

the bottom of the accommodating cavity is provided with a mounting hole, and the first bearing is embedded in the mounting hole.

Optionally, the first bearing and the second bearing are thrust bearings, respectively.

Optionally, a through hole is formed in the base, at least one slide rail is arranged on each of two sides of the through hole respectively, the slide rails are parallel to each other, two sides of the base are arranged on the slide rails respectively through slide blocks in a sliding mode, and the portion, close to the base, of the mounting base is located in the through hole.

Optionally, at least two parallel slide rails are arranged on the base, and two sides of the base are respectively arranged on the slide rails through slide blocks in a sliding mode.

Optionally, a locking mechanism is provided between the base and the upper cover for locking or unlocking the upper cover.

Optionally, the locking mechanism includes a telescopic assembly, and the telescopic assembly is abutted between the base and the upper cover to lock or unlock the upper cover.

Optionally, the telescoping assembly comprises:

a rod body;

the elastic element is connected with the rod body, and the elastic element and the rod body are abutted between the base and the upper cover;

and the driving component is connected with the rod body in a transmission manner and is used for driving the rod body to move along the axial direction of the rod body, and the rod body moves along the axial direction of the rod body and is used for locking or unlocking the upper cover.

Optionally, the drive assembly comprises:

the middle part of the first connecting rod is rotatably arranged on the base or the upper cover, and one end of the first connecting rod, which is close to the rod body, is provided with a strip-shaped groove;

the connecting block is arranged on the rod body, the connecting block is positioned in the strip-shaped groove, and the rod body is connected with the first connecting rod in a transmission mode through the connecting block.

Optionally, a cam is also included;

one end of the first connecting rod, which is far away from the rod body, is provided with a curved surface matched with the cam, and the cam drives the rod body to rotate through the curved surface when rotating.

Optionally, a first fixing block is arranged on the base, and the first connecting rod is rotatably arranged on the base through the first fixing block.

Optionally, the base is provided with at least two first connecting rods and at least two cams, a second connecting rod is connected between the cams, and an elastic sheet is connected between the second connecting rod and the base and can be pressed to drive the second connecting rod to rotate.

Optionally, a plurality of rollers are disposed on the base, and each roller is used for supporting the base.

Has the advantages that:

in the automobile calibration device, the base or the upper cover can be optionally fixed. In the invention, the base is selected to be fixed, the upper cover can be adjusted along the length direction of the sliding rail through the sliding rail, and the upper cover can be rotationally adjusted through the mounting seat. The automobile calibration equipment can be adjusted left and right relative to the automobile center line through the sliding rail, and can be adjusted in a rotating mode through the mounting seat, so that the center of the automobile coincides with the center of the automobile calibration equipment, and the cross beam of the automobile calibration equipment is perpendicular to the automobile center line. The adjustment is convenient, the adjustment precision is high, the operation flexibility is good, and the user experience is good.

Drawings

One or more embodiments are illustrated in drawings corresponding to, and not limiting to, the embodiments, in which elements having the same reference number designation may be represented as similar elements, unless specifically noted, the drawings in the figures are not to scale.

Fig. 1 is a perspective view of a base, an upper cover, a slide rail and a mounting base in an automobile calibration device according to an embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1 at a first angle (upper cover not shown);

FIG. 3 is an exploded view of FIG. 1 from a second angle (upper cover not shown);

FIG. 4 is a top view of the device of FIG. 1;

FIG. 5 is a cross-sectional view taken at C-C of FIG. 4;

FIG. 6 is a diagram illustrating the connection of the cover, base and locking mechanism in accordance with an embodiment of the present invention;

fig. 7 is another perspective view of the base, the upper cover, the slide rail and the mounting seat of the automobile calibration device in an embodiment of the invention (the upper cover and the connecting shaft are not shown);

FIG. 8 is a top view of FIG. 7;

fig. 9 is a schematic structural diagram of an automobile calibration device in an embodiment of the present invention.

Detailed Description

In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. It will be understood that when an element is referred to as being "secured to" 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 be present. The terms "vertical," "horizontal," "left," "right," "inner," "outer," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 to 3, an automobile calibration apparatus 100 includes a base 10, an upper cover 20, a slide rail 30, a mounting seat 40, a bracket device 200, and a calibration element (not shown in the drawings), wherein the slide rail 30 is disposed on the base 10, the mounting seat 40 is slidably disposed on the slide rail 30 through a slider 31, and the upper cover 20 is rotatably disposed on the mounting seat 40; the support device 200 comprises a cross beam 220 and a vertical column 210, the vertical column 210 is arranged on the upper cover, the cross beam 220 is arranged on the vertical column 210, and a calibration element is arranged on the cross beam 220 and is used for calibrating a high-grade auxiliary driving system of the vehicle. Of course, the mounting seat 40 can also be directly slidably disposed on the slide rail 30. Specifically, the beam 220 is provided with a hanging plate, and the calibration element is arranged on the beam 220 through the hanging plate.

In the present embodiment, the upper cover 20 can be adjusted along the length direction of the slide rail 30 by the slide rail 30, and the upper cover 20 can be rotatably adjusted by the mounting seat 40. The automobile calibration device can be adjusted left and right relative to the automobile center line through the slide rail 20, and part of the structure of the automobile calibration device can be adjusted in a rotating mode through the mounting seat 40, so that the center of the automobile coincides with the center of the structure of the automobile calibration device, and the cross beam 220 of the automobile calibration device is perpendicular to the automobile center line. The adjustment is convenient, the adjustment precision is high, the operation flexibility is good, and the user experience is good. The linear movement and the rotation of the upper cover 20 can be respectively and independently performed, and can also be mutually overlapped, so that the adjustment of overlapping two degrees of freedom is realized. Preferably, a plurality of rollers 13 are disposed on the base 10, and each roller 13 is used for supporting the base 10. The roller 13 can perform coarse adjustment on the position of the automobile calibration device, and the automobile calibration device 100 is mainly used for fine adjustment on the position of the automobile calibration device, so that the position adjustment of the automobile calibration device and the automobile is more accurate.

Referring to fig. 5 and 6, in an embodiment, a first bearing 41 is disposed on the mounting seat 40, a connecting shaft 42 is connected between the first bearing 41 and the upper cover 20, and the upper cover 20 is rotatably disposed on the mounting seat 40 through the first bearing 41 and the connecting shaft 42. The relative rotation between the upper cover 20 and the mounting seat 40 is enabled through the first bearing 41 and the connecting shaft 42, and the rotation flexibility is high. Preferably, the end of the connecting shaft 42 near the upper cover 20 is provided with a stop 422, and the stop 422 makes the connection between the connecting shaft 42 and the upper cover 20 more firm.

Referring to fig. 5 and 6 again, in an embodiment, a first friction plate 43 is disposed at the bottom of the mounting seat 40, a second friction plate 44 is disposed at an end of the connecting shaft 42 close to the mounting seat 40, and the first friction plate 43 and the second friction plate 44 are connected in contact. When the upper cover 20 rotates, the second friction plate 44 is driven to rotate together, and the first friction plate 43 and the second friction plate 44 rub against each other to generate damping, so that a damping effect can be generated during operation.

Referring to fig. 5 and 6 again, in an embodiment, a key slot (not shown) is disposed on the connecting shaft 42, and the key slot is located at a connecting position of the connecting shaft 42 and the second friction plate 44, and a key (not shown) is disposed in the key slot. The connecting shaft 42 and the second friction plate 44 are connected by key slots and keys, so that the connection is firm and the structure is simple.

Referring to fig. 5 and 6 again, in an embodiment, a belleville spring 45 is disposed between the first friction plate 43 and the second friction plate 44. The greater the pressure of the belleville spring 45 against the second friction plate 44, the greater the frictional resistance that the second friction plate 44 receives, wherein the second friction plate 44 is fixed to the connecting shaft 42 by the second nut 49, and the pressure between the second friction plate 44 and the belleville spring 45 can be adjusted by adjusting the second nut 49. The frictional resistance received by the second friction plate 44 is converted into the resistance of the connecting shaft 42 and thus into the rotational damping of the upper cover 20, thereby causing the operation to produce a damping effect.

Referring again to fig. 5 and 6, in order to make the best use of space and to take structural layout into consideration, in one embodiment, the connecting shaft 42 passes through the mounting seat 40, and the first friction plate 43 and the second friction plate 44 are both located at the bottom end of the mounting seat 40. Thus, the mounting seat 40 has a certain supporting and fixing function for the connecting shaft 42, and the connecting shaft 42 can rotate more stably. And the friction of the first friction plate 43 and the second friction plate 44 occurs at the bottom end of the mounting seat 40, the connecting shaft 42 takes the mounting seat 40 as a fulcrum, and the loads borne by the two ends of the connecting shaft 42 are more balanced.

Referring to fig. 5 and fig. 6 again, in an embodiment, a first nut 46 is further disposed on the connecting shaft 42 in a transmission manner, the first nut 46 is located on a side of the first bearing 41 away from the upper cover 20, and the first nut 46 abuts against the first bearing 41. The connecting shaft 42 and the first bearing 41 are connected by a first nut 46, wherein the first bearing 41 is fixed at the bottom end of the mounting seat 40.

Referring to fig. 5 and 6 again, further, in an embodiment, the first friction plate 43 includes a contact portion 431, two sides of the contact portion 431 are respectively provided with a connecting portion 432, two sides of the contact portion 431 are respectively connected with the bottom end of the mounting seat 40 through two connecting portions 432, and the contact portion 431 is connected with the second friction plate 44 in a contacting manner; the two connecting portions 432 and the contact portion 431 form an accommodating space 430 therebetween, and the first nut 46 is located in the accommodating space 430. The contact part 431 and the connecting part 432 can be integrally formed, the first nut 46 and the baffle 47 are both positioned in the accommodating space 430, the accommodating space 430 can also cover the first bearing 41, the space is reasonably utilized, and a certain protection effect is realized on the first nut 46, the baffle 47 and the first bearing 41.

Referring to fig. 5 and 6 again, in an embodiment, a baffle 47 is disposed between the first bearing 41 and the first nut 46 to prevent the first nut 46 and the first bearing 41 from rubbing against each other, so as to avoid damaging the first bearing 41 and the first nut 46.

Referring to fig. 3 and fig. 4, further, in an embodiment, an accommodating cavity 48 is disposed on a surface of the mounting seat 40 close to the upper cover 20, a second bearing 421 is further sleeved on the connecting shaft 42, and the second bearing 421 is located in the accommodating cavity 48 for supporting the upper cover 20; the bottom of the accommodating cavity 48 is provided with a mounting hole 481, and the first bearing 41 is embedded in the mounting hole 481. The second bearing 421 is used for supporting the upper cover 20, so that the upper cover 20 is stressed more evenly during rotation, and the rotation is more stable. The mounting hole 481 is used for fixing the first bearing 41, and the fixing effect is good. Wherein, the mounting hole 481 extends to the bottom end of the mounting seat 40, and the connecting shaft 20 passes through the accommodating cavity 48 and the mounting hole 481 in sequence and extends out from the bottom end of the mounting seat 40. Preferably, the first bearing 41 and the second bearing 421 are thrust bearings, respectively, and the thrust bearings can bear a larger axial load, rotate smoothly, and can generate a large displacement only by applying a small moment.

Referring to fig. 3, fig. 6 and fig. 8 together, further, in an embodiment, at least two mutually parallel slide rails 30 are disposed on the base 10, the base 10 is slidably disposed on each slide rail 30, preferably, a through hole 11 is disposed on the base 10, at least one slide rail 30 is disposed on each of two sides of the through hole 11, the slide rails 30 are mutually parallel, two sides of the base 10 are slidably disposed on each slide rail 30 through a sliding block 31, and a portion of the mounting base 40 close to the base 10 is located in the through hole 11. Specifically, two sides of the through hole 11 are respectively provided with a slide rail 30, the two slide rails 30 are parallel to each other, the two slide rails 30 are respectively provided with two slide blocks 31, and two sides of the mounting base 40 are respectively fixed on the two slide blocks 31. Through setting up through-hole 11, can pass through the part that mount pad 40 is close to base 10 from through-hole 11 to make parts such as first friction plate 43, second friction plate 44 all set up in the base 10 below, the rational utilization space, structural layout is more reasonable, has still saved the material.

Referring to fig. 7, further, in an embodiment, a locking mechanism 50 is disposed between the base 10 and the upper cover 20 for locking or unlocking the upper cover 20. When the upper cover 20 does not need to be moved, the upper cover 20 can be locked by the locking mechanism 50; when it is necessary to move the upper cover 20, the locking of the upper cover 20 is unlocked by the locking mechanism 50.

Referring again to fig. 7, further, in an embodiment, the locking mechanism 50 includes a retractable telescopic assembly, which is disposed between the base 10 and the upper cover 20 for locking or unlocking the upper cover 20. When two ends of the telescopic component respectively prop against the base 10 and the upper cover 20, the upper cover 20 can be locked; after the telescopic assembly is compressed, the locking of the upper cover 20 is released, and the structure is simple and the operation is convenient. Of course, the locking mechanism 50 may have other structures that can lock or unlock the upper cover 20.

Referring to fig. 7 again, further, in an embodiment, the retractable telescopic assembly includes: the base comprises a rod body 51, an elastic element 52 and a driving assembly 53, wherein the elastic element 52 is connected with the rod body 51, and the elastic element 52 and the rod body 51 are abutted between the base 10 and the upper cover 20; the driving assembly 53 is in transmission connection with the rod body 51 to drive the rod body 51 to move along the axial direction thereof, and the rod body 51 moves along the axial direction thereof to lock or unlock the upper cover 20. Specifically, the elastic element 52 is a spring, a bottom end of the spring is connected to the upper surface of the base 10, a top end of the spring is connected to a bottom end of the rod 51, and a top end of the rod 51 is connected to a bottom end of the upper cover 20 in a contact manner. The driving assembly 53 can drive the rod 51 to move along the axial direction thereof, and when the driving assembly 53 drives the rod 51 to compress the spring, the top end of the rod 51 is separated from the upper cover 20, i.e. the upper cover 20 is unlocked; when the driving assembly 53 releases the driving of the rod 51, the rod 51 automatically pushes the upper cover 20 under the elastic force of the spring, thereby locking the upper cover 20. Of course, the rod 51 can be driven by the driving component 53 to push the upper cover 20 tightly.

Referring to fig. 7 again, in an embodiment, the driving assembly 53 includes a first connecting rod 531 and a connecting block 532, a middle portion of the first connecting rod 531 is rotatably disposed on the base 10 or the upper cover 20, and one end of the first connecting rod 531, which is close to the rod body 51, is provided with a strip-shaped groove 5311; the connecting block 532 is arranged on the rod body 51, the connecting block 532 is positioned in the strip-shaped groove 5311, and the rod body 51 is in transmission connection with the first connecting rod 531 through the connecting block 532 and the strip-shaped groove 5311. The first link 531 is operated to rotate, and the rod body 51 can be caused to have a stroke of moving in the axial direction thereof by the cooperation of the strip groove 5311 and the connecting block 532. The first link 531 is pivoted at its middle.

Referring to fig. 7 again, further, in an embodiment, the vehicle calibration apparatus 100 further includes a cam 54; one end of the first link 531, which is far away from the lever body 51, is provided with a curved surface 5312 which is matched with the cam 54, and the cam 54 drives the lever body 51 to rotate through the curved surface 5312 when rotating. The cam 54 is rotated, and the cam 54 is engaged with the curved surface 5312 of the first link 531 to rotate the first link 531.

Referring to fig. 7 again, in an embodiment, a first fixing block 12 is disposed on the base 10, and the first connecting rod 531 is rotatably disposed on the base 10 through the first fixing block 12. The first fixing block 12 and the first connecting rod 531 are hinged through a pin shaft and the like, so that the first connecting rod 531 can rotate by taking the first fixing block 12 as a fulcrum, and the structure is simple.

Referring to fig. 7 to 9 together, further, in an embodiment, at least two first connecting rods 531 and at least two cams 54 are disposed on the base 10, a second connecting rod 55 is connected between the cams 54, and an elastic sheet 56 is connected between the second connecting rod 55 and the base 10, wherein the elastic sheet 56 can be pressed to drive the second connecting rod 55 to rotate. Preferably, a first link 531, a cam 54, a rod 51 and an elastic element 52 are respectively disposed on two sides of the through hole 11, and the first link 531, the cam 54, the rod 51 and the elastic element 52 located on the same side of the through hole 11 are correspondingly connected. The two cams 54 are connected through the second connecting rod 54, the second connecting rod 55 is rotatably erected on the base 10 through two second fixing blocks 551, one end of the elastic sheet 56 is connected to the second connecting rod 54, the other end of the elastic sheet 56 is connected to the base 10, and when the elastic sheet 56 is pressed, the second connecting rod 54 can be driven to rotate, so that the two cams 54 are driven to rotate, the two cams 54 respectively drive the first connecting rod 531 to rotate through the two curved surfaces 5312, and finally the rod body 51 can move along the axial direction of the rod body, so that the upper cover 20 can be locked and unlocked. The user can realize the actions by only pressing the elastic sheet 56, and the operation is convenient and the structure is simple.

It should be noted that, in the embodiment of the present invention, the method is implemented by using the vehicle calibration device provided in the above embodiment, and reference may be made to the description of the vehicle calibration device provided in the embodiment of the present invention for technical details that are not described in detail in the embodiment of the method.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An automobile calibration device is characterized by comprising a base, an upper cover, a sliding rail, a mounting seat, a support device and a calibration element, wherein the sliding rail is arranged on the base; the support device comprises a cross beam and an upright post, the upright post is arranged on the upper cover, the cross beam is arranged on the upright post, the calibration element is arranged on the cross beam, and the calibration element is used for calibrating an advanced assistant driving system of the vehicle;

a locking mechanism is arranged between the base and the upper cover and used for locking or unlocking the upper cover;

the locking mechanism comprises a telescopic component;

the telescopic telescoping assembly comprises:

a rod body;

the driving assembly is in transmission connection with the rod body and is used for driving the rod body to move along the axial direction of the rod body, and the rod body moves along the axial direction of the rod body and is used for locking or unlocking the upper cover;

the drive assembly includes:

the middle part of the first connecting rod is rotatably arranged on the base or the upper cover, and the rod body is in transmission connection with the first connecting rod;

the base is further provided with a second connecting rod, an elastic sheet is connected between the second connecting rod and the base, the elastic sheet can be pressed to drive the second connecting rod to rotate, and the first connecting rod is in transmission connection with the second connecting rod.

2. The automobile calibration device as claimed in claim 1, wherein a first bearing is arranged on the mounting seat, a connecting shaft is connected between the first bearing and the upper cover, and the upper cover is rotatably arranged on the mounting seat through the first bearing and the connecting shaft.

3. The automobile calibration device as claimed in claim 2, wherein a first friction plate is disposed at the bottom of the mounting seat, a second friction plate is disposed at one end of the connecting shaft close to the mounting seat, and the first friction plate and the second friction plate are in contact connection.

4. The vehicle calibration device of claim 3, wherein a belleville spring is abutted between the first friction plate and the second friction plate.

5. The automobile calibration device as claimed in claim 3, wherein the connecting shaft passes through the mounting seat, and the first friction plate and the second friction plate are respectively located at the bottom end of the mounting seat;

the connecting shaft is further provided with a first nut in a transmission mode, the first nut is located on one side, away from the upper cover, of the first bearing, and the first nut is arranged on the first bearing in an abutting mode.

6. The automobile calibration device as claimed in claim 5, wherein the first friction plate comprises a contact portion, two sides of the contact portion are respectively provided with a connecting portion, two sides of the contact portion are respectively connected with the bottom end of the mounting seat through two connecting portions, and the contact portion is in contact connection with the second friction plate;

7. The vehicle calibration device of claim 5, wherein a baffle is disposed between the first bearing and the first nut.

8. The automobile calibration device as claimed in claim 2, wherein an accommodating cavity is formed in one surface of the mounting seat, which is close to the upper cover, a second bearing is further sleeved on the connecting shaft, and the second bearing is located in the accommodating cavity and used for supporting the upper cover;

9. The vehicle calibration device according to any one of claims 1 to 8, wherein a through hole is formed in the base, at least one of the slide rails is respectively disposed on two sides of the through hole, the slide rails are parallel to each other, two sides of the base are respectively disposed on the slide rails through the slide block sliding rack, and a portion of the mounting base close to the base is located in the through hole.

10. The vehicle calibration device according to any one of claims 1 to 8, wherein at least two mutually parallel slide rails are disposed on the base, and two sides of the base are respectively disposed on the slide rails through the slider sliding rack.

11. The automobile calibration device as recited in claim 1, wherein a strip-shaped groove is formed at one end of the first link rod, which is close to the rod body;

the drive assembly includes:

the connecting block is arranged on the rod body and positioned in the strip-shaped groove, and the rod body is in transmission connection with the first connecting rod through the connecting block and the strip-shaped groove;

the cam, the one end that the body of rod was kept away from to first connecting rod be equipped with cam complex curved surface, when the cam rotates, pass through the curved surface drives first connecting rod rotates.

12. The vehicle calibration device according to claim 11, wherein the base is provided with at least two first connecting rods and at least two cams, and a second connecting rod is connected between the cams.