CN212620578U - Automobile chassis detection system - Google Patents
Automobile chassis detection system Download PDFInfo
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- CN212620578U CN212620578U CN202021196345.6U CN202021196345U CN212620578U CN 212620578 U CN212620578 U CN 212620578U CN 202021196345 U CN202021196345 U CN 202021196345U CN 212620578 U CN212620578 U CN 212620578U
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Abstract
The invention relates to an automobile chassis detection system, which comprises a test platform; a detector for detecting the size of the automobile chassis is arranged on the test platform; an X-direction positioner and a Y-direction positioner are distributed on the test platform, so that the position of the automobile chassis is positioned; a first bracket, a second bracket, a third bracket and a fourth bracket are arranged on the test platform; the first bracket is positioned between the X-direction positioner and the Y-direction positioner; the second bracket is arranged on the Y-direction side of the first bracket, the third bracket is arranged on the X-direction side of the first bracket, and the fourth bracket is arranged diagonally to the first bracket; the first bracket, the second bracket, the third bracket and the fourth bracket are used for bearing the rotated automobile chassis; and steel balls for positioning the balls are arranged on the first bracket, the second bracket, the third bracket and the fourth bracket. The invention has reasonable design, compact structure and convenient use.
Description
Technical Field
The invention relates to an automobile chassis detection system and method.
Background
The automobile chassis is the benchmark of automobile processing equipment, and the whole quality of the high direct influence car of its machining precision, and how to inspect the vehicle chassis assembly, whether form and position tolerance such as measuring its plane degree accords with the production requirement becomes the technical problem that the solution of urgent need, when current testing station detects, directly sits the chassis on the locating piece, adjusts on the locating piece more difficultly to it is serious to the locating piece wearing and tearing, and then influences measurement accuracy.
In the turnover of AGV dolly wide application enterprise production, current AGV dolly all is the standard product of outsourcing, and at the operation in-process, needs the relocation, and the multiple lift of mould is to dolly surface product collision or wearing and tearing to influence its precision, especially when the transfer gets into the measuring station platform, need adjustment many times, waste time and energy.
Disclosure of Invention
The present invention generally provides a vehicle for an automobile chassis, and a system and a method for detecting the vehicle.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
an automobile chassis detection system comprises a test platform; a detector for detecting the size of the automobile chassis is arranged on the test platform; an X-direction positioner and a Y-direction positioner are distributed on the test platform, so that the position of the automobile chassis is positioned; a first bracket, a second bracket, a third bracket and a fourth bracket are arranged on the test platform;
the first bracket is positioned between the X-direction positioner and the Y-direction positioner; the second bracket is arranged on the Y-direction side of the first bracket, the third bracket is arranged on the X-direction side of the first bracket, and the fourth bracket is arranged diagonally to the first bracket;
the first bracket, the second bracket, the third bracket and the fourth bracket are used for bearing the rotated automobile chassis;
steel balls for positioning the balls are arranged on the first bracket, the second bracket, the third bracket and the fourth bracket;
a fixed steel ball limited by 6 degrees of freedom is arranged in the first bracket,
rolling steel balls which can rotate around an X axis, a Y axis and a Z axis in three degrees of freedom are arranged in the second bracket;
the third bracket and the fourth bracket are provided with rotating steel balls which only have one degree of freedom of Y-axis rotation.
As a further improvement of the above technical solution:
the X-direction locator and the Y-direction locator are laser range finders, acoustic range finders or infrared range finders.
A fifth bracket is arranged on one side of the third bracket in the X direction; a sixth bracket is arranged on one side of the fourth bracket in the X direction; the fifth bracket and the sixth bracket are provided with free steel balls which can rotate around the X axis, the Y axis and the Z axis and move five degrees of freedom along the X direction and the Y direction.
A method for detecting an automobile chassis comprises the following steps;
firstly, conveying an automobile chassis onto a steel ball at the top of a carrier through a manipulator or a travelling crane, and separating a coupler of the manipulator or the travelling crane from the automobile chassis through a carrier process notch; then, the automobile chassis is placed on the steel ball at the top of the carrier, and the puller at the upper part of the carrier is driven by the push rod at the upper part of the carrier to move in the vertical guide groove of the carrier, so that the steel ball at the top of the carrier drives the automobile chassis to ascend and be separated from the carrier positioning support block; then, based on the Y-direction positioning seats of the two carriers, detecting whether the automobile chassis deflects or not through laser, light/sound reflection or a graduated scale; secondly, when the automobile chassis deflects, the automobile chassis is pushed to be positive through a Y-direction swing rod of the carrier; thirdly, measuring whether the automobile chassis is in the middle of the carrier frame or not through the carrier Y-direction positioning seat; when the automobile chassis is not in the center, the automobile chassis is driven to transversely move to the middle part by moving a carrier bottom push rod and a carrier upper push rod; afterwards, the carrier bottom push rod is pulled back, so that the carrier vertical guide groove of the carrier inclined upper inclined wedge descends in the carrier upper traction head, and the automobile chassis is seated on the carrier positioning support block;
firstly, the AGV trolley sends an automobile chassis to a test platform, and the automobile chassis corresponds to the central line of the test platform; then, the AGV trolley drives the carrier frame to descend until the automobile chassis falls above the carrier positioning support block; secondly, the AGV leaves;
step a, firstly, an automobile chassis is located on a third bracket, a fifth bracket, a fourth bracket and a sixth bracket; then, the fifth bracket, the fourth bracket and the sixth bracket are utilized to move the automobile chassis along the Y direction, so that the automobile chassis corresponds to the central line of the test platform; secondly, pushing the automobile chassis to the first bracket and the second bracket along the X direction;
step A, detecting whether the automobile chassis is inclined or not by the automobile chassis through a Y-direction locator; after the skew occurs, executing step B;
step B, the first bracket is used as a fulcrum, the second bracket has three degrees of freedom and simulates the principle of a universal wheel, and the third bracket and the fourth bracket have one degree of freedom and simulate a forward wheel to adjust the automobile chassis;
step C, the Y-direction positioner and the X-direction positioner measure the distance of the automobile chassis, and therefore the automobile chassis is fixed with coordinates;
and D, detecting by using a detector.
The invention has the advantages of reasonable design, low cost, firmness, durability, safety, reliability, simple operation, time and labor saving, capital saving, compact structure and convenient use.
Drawings
FIG. 1 is a schematic view of the present invention in use at an entry inspection station.
Fig. 2 is a schematic view of the structure of the trolley of the invention.
Fig. 3 is a schematic diagram of the explosive structure of the trolley of the invention.
Fig. 4 is a schematic view of the structure of the inspection station of the present invention.
Fig. 5 is a schematic diagram of a modified structure of the detection station of the invention.
Wherein: 1. an AGV trolley; 2. prefabricating a carrier device; 3. a carrier frame; 4. a carrier process notch; 5. a carrier positioning support block; 6. positioning a carrier in the X direction; 7. a Y-direction positioning seat of the carrier; 8. a Y-direction swing rod of the carrier; 9. a carrier central groove; 10. a Y-direction wedge at the bottom of the carrier; 11. a carrier bottom push rod; 12. a carrier bottom transverse guide rail; 13. a carrier upper push rod; 14. a puller on the upper part of the carrier; 15. a carrier tilt guide; 16. the carrier inclines to the upper wedge; 17. a carrier vertical guide groove; 18. a carrier top steel ball; 19. a test station; 20. a detector; 21. an X-direction positioner; 22. a Y-direction positioner; 23. a first bracket; 24. a second bracket; 25. a third bracket; 26. a fourth bracket; 27. a fifth bracket; 28. a sixth bracket; 29. fixing the steel ball; 30. rotating the steel ball; 31. rolling the steel ball; 32. and (4) free steel balls.
Detailed Description
As shown in fig. 1-5, the vehicle chassis carrier of the present embodiment includes a prefabricated AGV cart 1, which is prefabricated and purchased; a prefabricated carrier device 2 is arranged on the AGV trolley 1, connection is realized through bolts, and positioning pins are fixed;
the prefabricated carrier device 2 comprises a carrier frame 3 arranged on the AGV trolley 1 and adopts a steel structure, so that deformation is prevented, and the rapid positioning of an automobile chassis is realized; carrier positioning support blocks 5 are respectively arranged at four corners above the carrier frame 3 and used for supporting an automobile chassis and bearing the weight of the automobile chassis;
a carrier process notch 4 is formed in the side wall of the carrier frame 3, so that the automobile chassis can be conveniently lifted and transported, and the carrier process notch is positioned below the automobile chassis on the carrier positioning support block 5;
a carrier central groove 9 is arranged at the center of the carrier frame 3; thereby avoiding the stress on the center, but the stress on the four corners, and having reasonable process. At the same time, the central space is fully utilized, which is not provided by the prior art. It saves space and reduces floor area as much as possible.
The carrier X-direction positioning seat 6 is arranged in front of the carrier frame 3, at least two carrier Y-direction positioning seats 7 are arranged at one side part of the carrier frame 3, and preferably laser and electric eye measurement is carried out, so that the carrier Y-direction swing rod 8 used for adjusting the central line of the carrier frame 3 to the X direction is arranged on the carrier frame 3 to avoid convenient obstruction, swing positioning is realized, the width is reduced, and the carrier X-direction positioning seat is mainly used for a heavy-load chassis and is a preferred scheme.
As a major invention point of the present invention, a carrier bottom transverse guide rail 12 is transversely arranged at the bottom of the carrier frame 3 to realize transverse guiding, a carrier bottom Y-directional wedge 10 is moved on the carrier bottom transverse guide rail 12, and a carrier bottom push rod 11 is arranged on one side of the carrier frame 3 to drive the carrier bottom Y-directional wedge 10 to move on the carrier bottom transverse guide rail 12; meanwhile, the lifting and the transverse movement adjustment are realized.
A carrier upper push rod 13 is arranged on the other side part of the carrier frame 3, and a carrier upper traction head 14 is arranged at the end part of the carrier upper push rod 13; the carrier upper traction head 14 comprises two fixed disks sleeved at the end part of the carrier upper push rod 13, so that transverse push-pull is realized.
A carrier inclined guide rail 15 which inclines along the Y direction is arranged on the upper inclined plane of the Y-direction inclined wedge 10 at the bottom of the carrier, a carrier inclined upper inclined wedge 16 moves on the carrier inclined guide rail 15, and a carrier vertical guide groove 17 is arranged on the side wall of the carrier inclined upper inclined wedge 16; the lifting device has the advantages that after transverse positioning, lifting is achieved by moving the Y-shaped inclined wedge 10 at the bottom of the carrier, which is not achieved by the inclined wedge in the prior art.
The end part of a carrier upper push rod 13 penetrates through a carrier vertical guide groove 17, two fixed disks are respectively positioned at two sides of the carrier vertical guide groove 17, and a carrier top steel ball 18 used for being in contact with the lower surface of an automobile chassis is arranged on the horizontal upper surface of a carrier inclined upper wedge 16. The steel ball 18 on the top of the carrier reduces friction force and is convenient to adjust.
The chassis inspection system of the present embodiment includes a test station 19; a detector 20 for detecting the size of the automobile chassis is arranged on the test platform 19; an X-direction positioner 21 and a Y-direction positioner 22 are distributed on the test platform 19 so as to position the chassis of the automobile; a first bracket 23, a second bracket 24, a third bracket 25 and a fourth bracket 26 are arranged on the test station 19;
the first bracket 23 is positioned between the X-direction positioner 21 and the Y-direction positioner 22; the second bracket 24 is on the Y-side of the first bracket 23, the third bracket 25 is on the X-side of the first bracket 23, and the fourth bracket 26 is diagonally disposed from the first bracket 23;
the first bracket 23, the second bracket 24, the third bracket 25 and the fourth bracket 26 are used for carrying the pivoted automobile chassis;
steel balls for ball positioning are arranged on the first bracket 23, the second bracket 24, the third bracket 25 and the fourth bracket 26;
in the first bracket 23 there is arranged a fixed steel ball 29 limited to 6 degrees of freedom,
a rolling steel ball 31 which can rotate around an X axis, a Y axis and a Z axis in three degrees of freedom is arranged in the second bracket 24;
the third bracket 25 and the fourth bracket 26 are provided with a rotating steel ball 30 having only one degree of freedom of Y-axis rotation. The invention realizes accurate positioning through the steel ball, and avoids realizing positioning by utilizing a smooth surface through rotation of the steel ball after a certain part is collided, and preferably, when the steel ball falls down, the first bracket is not contacted at first, and the contact is realized through horizontal pushing, the steel ball can absorb vibration and reduce impact through rotation of the structure of the invention, the first bracket is rotatably arranged, but the positioning accuracy is poor, but the durability is good,
the invention utilizes the principle of a tricycle, the second bracket is similar to a front universal wheel to realize direction adjustment, and the third bracket and the fourth bracket are similar to a rear wheel to realize direction fine adjustment.
The X-direction positioner 21 and the Y-direction positioner 22 are laser range finders, acoustic range finders, infrared range finders, or the like.
A fifth bracket 27 is provided on the X-direction side of the third bracket 25; a sixth bracket 28 is provided on the X-direction side of the fourth bracket 26; the fifth and sixth brackets 27 and 28 have free steel balls 32 that can rotate around the X, Y, and Z axes and move five degrees of freedom in the X and Y directions. Thereby realizing the secondary adjustment. The invention can firstly realize the primary adjustment precision through the trolley, the secondary adjustment through the fifth bracket 27 and the sixth bracket 28, and the micro-adjustment direction through the second bracket, the third bracket and the fourth bracket. Therefore, adjustment is realized, the trolley does not need to wait during adjustment, other operations can be carried out on the trolley, the trolley only needs to be used during entering and exiting, and the efficiency is high.
The automobile chassis detection method comprises the following steps;
firstly, conveying an automobile chassis to a steel ball 18 at the top of a carrier through a manipulator or a travelling crane, and separating a hook hand of the manipulator or the travelling crane from the automobile chassis through a carrier process notch 4; then, the automobile chassis is placed on a carrier top steel ball 18, a carrier upper traction head 14 is driven to move in a carrier vertical guide groove 17 through a carrier upper push rod 13, and the purpose that the carrier top steel ball 18 drives the automobile chassis to ascend and is separated from a carrier positioning support block 5 is achieved; then, based on the two carrier Y-direction positioning seats 7, detecting whether the automobile chassis deflects or not through laser, light/sound reflection or a graduated scale; secondly, when the automobile chassis deflects, the automobile chassis is pushed to the swing rod 8 through the carrier Y; thirdly, measuring whether the automobile chassis is in the middle of the carrier frame 3 or not through the carrier Y-direction positioning seat 7; when the automobile chassis is not in the center, the automobile chassis is driven to transversely move to the middle part by moving the carrier bottom push rod 11 and the carrier upper push rod 13; afterwards, the carrier bottom push rod 11 is pulled back, so that the carrier vertical guide groove 17 of the carrier inclined upper inclined wedge 16 descends in the carrier upper traction head 14, and the automobile chassis is seated on the carrier positioning support block 5;
firstly, the AGV trolley 1 sends an automobile chassis to a test platform 19, and the automobile chassis corresponds to the central line of the test platform 19; then, the AGV trolley 1 drives the carrier frame 3 to descend until the automobile chassis falls above the carrier positioning support block 5; secondly, the AGV trolley 1 leaves;
step a, firstly, the chassis of the vehicle is seated on the third bracket 25, the fifth bracket 27, the fourth bracket 26 and the sixth bracket 28; then, the chassis is moved in the Y direction by the fifth bracket 27, the fourth bracket 26 and the sixth bracket 28 so that the chassis corresponds to the center line of the test station 19; secondly, pushing the automobile chassis to the first bracket 23 and the second bracket 24 along the X direction;
step A, detecting whether the automobile chassis is inclined or not by the automobile chassis through a Y-direction locator 22; after the skew occurs, executing step B;
step B, the first bracket 23 is used as a fulcrum, the second bracket 24 is three-degree-of-freedom and simulates the principle of a universal wheel, and the third bracket 25 and the fourth bracket 26 are one-degree-of-freedom and simulate a forward wheel to adjust the automobile chassis;
step C, the Y-direction positioner 22 and the X-direction positioner 21 measure the distance of the automobile chassis, and therefore the automobile chassis is fixed with coordinates;
and step D, detecting by the detector 20.
The AGV comprises an AGV trolley 1, a prefabricated carrier device 2, a carrier frame 3, a carrier process notch 4, a carrier positioning support block 5, a carrier X-direction positioning seat 6, a carrier Y-direction positioning seat 7, a carrier Y-direction swing rod 8, a carrier central groove 9, a carrier bottom Y-direction wedge 10, a carrier bottom push rod 11, a carrier bottom transverse guide rail 12, a carrier upper push rod 13, a carrier upper traction head 14, a carrier inclined guide rail 15, a carrier inclined upper wedge 16, a carrier vertical guide groove 17, a carrier top steel ball 18, a test platform 19, a detector 20, an X-direction positioner 21, a Y-direction positioner 22, a first bracket 23, a second bracket 24, a third bracket 25, a fourth bracket 26, a fifth bracket 27, a sixth bracket 28, a fixed steel ball 29, a rotating steel ball 30, a rolling steel ball 31 and a free steel ball 32.
The present invention has been described in sufficient detail for clarity of disclosure and is not exhaustive of the prior art.
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; 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; it is obvious as a person skilled in the art to combine several aspects of the invention. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. An automotive chassis inspection system comprising a test station (19); a detector (20) for detecting the size of the automobile chassis is arranged on the test platform (19); an X-direction positioner (21) and a Y-direction positioner (22) are distributed on the test platform (19) so as to position the chassis of the automobile; the method is characterized in that: a first bracket (23), a second bracket (24), a third bracket (25) and a fourth bracket (26) are arranged on the test station (19);
the first bracket (23) is positioned between the X-direction positioner (21) and the Y-direction positioner (22); the second bracket (24) is arranged on the Y-direction side of the first bracket (23), the third bracket (25) is arranged on the X-direction side of the first bracket (23), and the fourth bracket (26) is arranged diagonally to the first bracket (23);
the first bracket (23), the second bracket (24), the third bracket (25) and the fourth bracket (26) are used for bearing the rotated automobile chassis;
steel balls for positioning the balls are arranged on the first bracket (23), the second bracket (24), the third bracket (25) and the fourth bracket (26);
a fixed steel ball (29) limited by 6 degrees of freedom is arranged in the first bracket (23),
a rolling steel ball (31) with three degrees of freedom capable of rotating around an X axis, a Y axis and a Z axis is arranged in the second bracket (24);
a rotating steel ball (30) having only one degree of freedom of Y-axis rotation is provided on the third bracket (25) and the fourth bracket (26).
2. The vehicle chassis inspection system of claim 1, wherein: the X-direction locator (21) and the Y-direction locator (22) are laser range finders, acoustic range finders or infrared range finders.
3. The vehicle chassis inspection system of claim 1, wherein: a fifth bracket (27) is arranged on one side of the third bracket (25) in the X direction; a sixth bracket (28) is arranged on one side of the fourth bracket (26) in the X direction; the fifth bracket (27) and the sixth bracket (28) are provided with free steel balls (32) which can rotate around the X axis, the Y axis and the Z axis and move five degrees of freedom along the X direction and the Y direction.
4. An automobile chassis detection system is characterized in that: comprises a test station (19); a prefabricated AGV trolley (1) is adapted to the test platform (19); a prefabricated carrier device (2) is arranged on the AGV trolley (1);
the prefabricated carrier device (2) comprises a carrier frame (3) arranged on an AGV trolley (1); carrier positioning support blocks (5) are respectively arranged at four corners above the carrier frame (3) and used for supporting and carrying the automobile chassis;
a carrier process notch (4) is arranged on the side wall of the carrier frame (3) and is positioned below the automobile chassis on the carrier positioning support block (5);
a carrier central groove (9) is formed in the center of the carrier frame (3);
a carrier X-direction positioning seat (6) is arranged in front of the carrier frame (3), at least two carrier Y-direction positioning seats (7) are arranged at one side part of the carrier frame (3), and a carrier Y-direction swing rod (8) used for adjusting the central line of the carrier frame (3) to the X direction is arranged at the other side part of the carrier frame (3).
5. An automobile chassis detection system is characterized in that: comprising a first bracket (23), a second bracket (24), a third bracket (25) and a fourth bracket (26);
the first bracket (23) is positioned between the X-direction positioner (21) and the Y-direction positioner (22); the second bracket (24) is arranged on the Y-direction side of the first bracket (23), the third bracket (25) is arranged on the X-direction side of the first bracket (23), and the fourth bracket (26) is arranged diagonally to the first bracket (23);
the first bracket (23), the second bracket (24), the third bracket (25) and the fourth bracket (26) are used for bearing the rotated automobile chassis;
steel balls for positioning the balls are arranged on the first bracket (23), the second bracket (24), the third bracket (25) and the fourth bracket (26);
a fixed steel ball (29) limited by 6 degrees of freedom is arranged in the first bracket (23),
a rolling steel ball (31) with three degrees of freedom capable of rotating around an X axis, a Y axis and a Z axis is arranged in the second bracket (24);
a rotating steel ball (30) having only one degree of freedom of Y-axis rotation is provided on the third bracket (25) and the fourth bracket (26).
6. The vehicle chassis inspection system of claim 5, wherein: a fifth bracket (27) is arranged on one side of the third bracket (25) in the X direction; a sixth bracket (28) is arranged on one side of the fourth bracket (26) in the X direction; the fifth bracket (27) and the sixth bracket (28) are provided with free steel balls (32) which can rotate around the X axis, the Y axis and the Z axis and move five degrees of freedom along the X direction and the Y direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021196345.6U CN212620578U (en) | 2020-06-24 | 2020-06-24 | Automobile chassis detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021196345.6U CN212620578U (en) | 2020-06-24 | 2020-06-24 | Automobile chassis detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212620578U true CN212620578U (en) | 2021-02-26 |
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ID=74743703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021196345.6U Active CN212620578U (en) | 2020-06-24 | 2020-06-24 | Automobile chassis detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212620578U (en) |
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2020
- 2020-06-24 CN CN202021196345.6U patent/CN212620578U/en active Active
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