CN116518860B - Wheel runout detection device and method - Google Patents

Abstract

The invention relates to the technical field of wheel runout detection, in particular to a wheel runout detection device and a wheel runout detection method.

Description

Wheel runout detection device and method

Technical Field

The invention relates to the technical field of wheel runout detection, in particular to a wheel runout detection device and method.

Background

The wheel is a common component of an automobile, and is composed of a hub and a tire, wherein the hub is provided with a shaft hole connected with a driving shaft, and screw holes used for fixing the tire are uniformly formed in the circumference of the hub near the shaft hole.

The wheel may deviate from the radial direction due to reasons such as materials and processing steps in the forming processing process, if the wheel is not directly assembled on the vehicle due to the fact that the degree of runout is not detected, the vehicle may not run in a straight line in the running process, jolt and shake of the vehicle occur, and the like, wherein the first problem exists due to the fact that the axial displacement deviation exists in the rotating process of the wheel, the second problem exists due to the fact that the radial displacement deviation exists in the rotating process of the wheel, and therefore the degree of runout is detected before the vehicle is assembled, so that whether the tire is qualified or not is detected.

The Chinese patent application with publication number of CN112284770B provides a technical scheme for automatically measuring the wheel runout, and discloses an automatic measuring device and a detection method for the wheel runout, wherein the device is driven by a first motor to move up and down during use, so that the tire is convenient to mount and dismount, the problem that the tire is difficult to mount during the process of detecting the runout is solved, in addition, the device is driven by a second motor to realize the rotation driving of the tire, the rapid positioning can be performed through a conical tip, the measurement deviation is reduced, and the infrared range finder can rapidly obtain the runout deviation.

The use of the above-mentioned patent application also has the following drawbacks: 1. although the problem that the tire is difficult to install is solved in the above patent application, the time occupied when the tire is installed and removed by the above installation mode is still needed, and further the total period duration of the tire detection in the tire batch detection process is increased, and the tire batch detection efficiency is affected.

2. The above patent application can only detect the axial direction or the radial direction of a single plane of the tire in the use process, and the obtained data of the experiment is less, so that the detection of the jumping degree of the tire is not representative.

Disclosure of Invention

The invention aims to provide a wheel runout detection device which can intermittently feed wheels through mutual matching of a rotating annular frame and a placement circular frame, reduce the time for installing and removing the wheels and improve the wheel detection efficiency.

The invention is realized by adopting the following technical scheme, and the wheel runout detection device comprises a base, wherein a detection mechanism and a feeding mechanism are sequentially arranged on the upper end surface of the base from left to right.

The detection mechanism comprises a fixed frame of an inverted L-shaped structure, wherein a vertical section of the fixed frame is fixedly arranged on the left side of the upper end face of the base, a horizontal section of the fixed frame is slidably arranged on a first infrared range finder which can move left and right and is used for detecting the axial direction of a wheel, and a right end face of the vertical section of the fixed frame is slidably arranged on a second infrared range finder which can move up and down and is used for detecting the radial direction of the wheel.

The feeding mechanism comprises a rotating frame which is rotatably arranged on the right side of the upper end face of the base, an annular frame is arranged on the rotating frame, three supporting cylinders are uniformly arranged on the upper end face of the annular frame in the circumferential direction, a round placement frame with a shaft hole being limited is rotatably arranged on the upper end face of each supporting cylinder, a rotating motor with a lifting function is arranged on the right side of the lower end face of the horizontal section of the fixed frame, a driving roller is arranged at the lower end of a driving shaft of the rotating motor, rectangular protrusions are arranged on the lower end face of the driving roller, and rectangular grooves matched with the rectangular protrusions are formed in the upper end face of each round placement frame.

Optionally, the ring-shaped rack is installed to ring-shaped rack lateral wall below, evenly runs through in ring-shaped rack up end circumference and is provided with a plurality of movable blocks, and the movable block slides the setting from ring-shaped rack center to ring-shaped rack side, the clamping cylinder spacing to the screw is installed to the movable block up end, the terminal surface is provided with the connection arch with the movable block one-to-one under the ring-shaped rack, install reset spring jointly between connection arch and the movable block that corresponds.

Optionally, the movable block keep away from the joint of one side of placing the circle frame and have annular rope jointly, annular rack lower terminal surface is provided with fixed protruding, installs the winding axle that can auto-lock through the bearing on the fixed protruding, winding axle keeps away from fixed protruding one end and annular rope fixed connection.

Optionally, the inside adjustment tank of seting up of placement circle frame, placement circle frame lateral wall circumference evenly runs through the slip and is provided with a plurality of automatic re-setting's interior backup pad, and the tight arch is installed to the one end that interior backup pad is located the adjustment tank inside, and the adjustment tank lower extreme runs through the slip and is provided with the regulation pole that extends from top to bottom, is provided with round platform type arch on the regulation pole, and supports tight arch and support on the bellied lateral wall of round platform.

Optionally, the inside movable groove that has seted up of bearing cylinder, movable groove inside slip is provided with the button, adjusts the pole lower extreme and passes the movable groove and install on the button through the bearing, but the inflator that link up and automatic re-setting with the movable groove is installed to one side that the annular frame center was kept away from to the bearing cylinder, but the left side that the base up end just is located the annular frame is provided with inflator matched with trapezoidal piece.

Optionally, the regulating tank inside be provided with type frame, type frame two vertical sections are fixed at the regulating tank top, type frame horizontal segment lower extreme face is provided with spacing arch, adjust the pole up end seted up with spacing protruding matched with spacing hole, adjust the pole and remove the in-process and drive spacing hole and shift up and make spacing hole and spacing arch mutually support, and then guarantee to adjust the pole and can not drive round platform type arch and take place relative rotation at placing round frame rotation in-process, reduce the wearing and tearing between tight arch and the round platform type arch.

Optionally, one end upside that the regulating tank was kept away from to interior backup pad set up self-interacting groove center to regulating tank side slope ascending locking inclined plane, interior backup pad support tight in-process locking inclined plane and shaft hole up end to the shaft hole, and then locking inclined plane can guarantee that the wheel can not take place to slide from top to bottom at the rotation in-process, further improves the stability of wheel, avoids taking place to rock from top to bottom the in-process to influence the accuracy of detection data.

Optionally, bearing cylinder lateral wall and be located the top of inflator be provided with the discharge valve that link up mutually with remove the groove, because the shaft hole size is different, in-process is removed along trapezoidal piece inclined plane to the flexible end of inflator, interior backup pad contact with the shaft hole in advance, the flexible end of inflator continues to remove along trapezoidal piece inclined plane, the pressure of round piece lower extreme and removal groove increases this moment, when pressure is greater than discharge valve's critical pressure, discharge valve opens, the gas that the removal groove is located the round piece lower extreme overflows from discharge valve, interior backup pad is supported tightly and no longer outwards removes with the shaft hole this moment all the time, so discharge valve can guarantee that the space pressure that the removal groove is located the round piece lower extreme is certain to the backup pad can carry out interior support locking to the shaft hole of different diameters.

Optionally, the tight cylinder lateral wall cover of clamp be equipped with the rubber pad, the rubber pad can reduce the rigidity centre gripping between tight cylinder and the screw, avoids pressing from both sides tight cylinder and destroys the screw, plays the guard action to the screw.

The invention also provides a wheel runout detection method, which is completed by adopting the wheel runout detection device in a matching way, and comprises the following steps: step one, placing: and moving the wheel to the upper end surface of any placing round rack, enabling the shaft hole and the threaded hole to be coaxial with the placing round rack and the clamping cylinder respectively, and then moving the wheel downwards to enable the wheel to be placed on the annular placing rack.

And step two, rotation treatment: the annular frame is driven to rotate through the interaction of external driving force and the rotating frame, the placement circular frame with wheels moves to the position right below the driving roller, at the moment, the rotating motor downwards moves to drive the rectangular protrusions to be inserted into the rectangular grooves through the driving roller, and the rotating motor is started to drive the wheels to rotate through the interaction of the driving roller and the placement circular frame.

Third step, detection treatment: in the process of wheel rotation, an infrared range finder I and an infrared range finder II are started to respectively carry out range finding treatment on the end face and the radial direction of the wheel.

Fourth step, detecting for many times: after the wheel rotates for a certain number of turns, the first infrared distance meter and the second infrared distance meter are moved, and distance measurement processing can be carried out on different axial positions of the wheel and different radial positions of the wheel respectively.

Fifth step, replacing the wheels: and placing the wheels to be detected on the remaining circular racks in the detection process, and repeating the first, second, third and fourth steps by rotating the annular rack after the wheels placed in the first step are detected, so that the remaining wheels to be detected can be detected.

Compared with the prior art, the wheel runout detection device has the beneficial effects that: 1. in the feeding mechanism designed by the invention, the three supporting columns which are circumferentially and uniformly arranged on the annular frame are mutually matched with the placing circular frame, so that the wheels on one group of supporting columns and the placing circular frame can be intermittently fed, the wheels to be detected can be synchronously placed on the remaining two groups of supporting columns and the placing circular frame by manpower in the detection process, the time for replacing the wheels after the detection of the wheels on one group of supporting columns and the placing circular frame is finished is reduced, and the efficiency of the batch detection of the wheels is improved.

2. According to the detection mechanism, the first infrared distance meter and the second infrared distance meter are matched with each other to detect the axial direction and the radial direction of the wheel at the same time, so that the axial and radial separated detection time of the wheel is shortened, the first infrared distance meter and the second infrared distance meter can move in the left-right direction and the up-down direction respectively, and further the first infrared distance meter and the second infrared distance meter can detect the axial and the radial directions of different positions of the wheel respectively, detection data are increased, and the representativeness of the detection data is improved.

3. Because the screw diameters of different wheels may be different, when the wheels are placed and finished, the winding shaft is rotated to tighten the annular rope, and then the annular rope gives the screw hole a force to the center of the circular rack through the moving block and the clamping cylinder, so that the clamping cylinder is abutted against the screw hole, the annular rack and the clamping cylinder are matched with each other to lock the wheels, and the possibility that the wheels with different screw diameters shake in the rotation process is avoided.

4. The adjusting lever rises in-process and drives the protruding upward movement of round platform type, and then the protruding outside removal of interior backup pad of driving of round platform type through supporting tight arch, and then interior backup pad supports tightly with the shaft hole, further improves the stability of wheel, avoids taking place to rock the accuracy that influences detection data in the wheel rotation process.

Drawings

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In order that those skilled in the art will better understand the present invention, the following description will be given in detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic perspective view of a wheel runout detecting device according to an embodiment of the present invention.

Fig. 2 is a schematic view of a partial perspective structure of fig. 1 according to an embodiment of the present invention.

Fig. 3 is a front view of fig. 2 provided by an embodiment of the present invention.

Fig. 4 is a schematic view of a partial feeding three-dimensional structure according to an embodiment of the present invention.

Fig. 5 is a bottom view of fig. 4 provided by an embodiment of the present invention.

Fig. 6 is a partial enlarged view at a of fig. 5 provided by an embodiment of the present invention.

Fig. 7 is a schematic view of a three-dimensional installation structure between a clamping cylinder and a rubber pad according to an embodiment of the invention.

Fig. 8 is a schematic view (from front to back) of the internal structure of fig. 4 with the ring-shaped rack and its upper and lower parts removed, according to an embodiment of the present invention.

Fig. 9 is a partial enlarged view at B of fig. 8 provided by an embodiment of the present invention.

Fig. 10 is a partial enlarged view at C of fig. 9 provided by an embodiment of the present invention.

Fig. 11 is a schematic structural diagram of an object of wheel runout detection according to an embodiment of the present invention.

Fig. 12 is a flowchart of a wheel runout detection method according to an embodiment of the present invention.

Icon: 1. a base; 2. a detection mechanism; 21. a fixed frame; 22. an infrared range finder I; 23. an infrared range finder II; 3. a feeding mechanism; 31. a rotating frame; 32. an annular frame; 33. a support cylinder; 331. a moving groove; 332. round blocks; 333. an air cylinder; 334. a trapezoid block; 335. an exhaust valve; 34. placing a round rack; 341. rectangular grooves; 342. an annular placing rack; 343. a moving block; 344. clamping a cylinder; 3441. a rubber pad; 345. a return spring; 346. an endless rope; 347. a winding shaft; 348. an adjustment tank; 3481. type rack; 3482. a limit protrusion; 3483. a limiting hole; 349. an inner support plate; 340. an adjusting rod; 3410. the abutting bulge; 3411. round table type bulges; 35. a rotating motor; 36. a driving roller; 361. rectangular protrusions; 4. a wheel; 41. a shaft hole; 42. screw holes.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.

Referring to fig. 1, the wheel runout detection device comprises a base 1, wherein a detection mechanism 2 and a feeding mechanism 3 are sequentially arranged on the upper end surface of the base 1 from left to right.

Referring to fig. 2, 3 and 11, the detecting mechanism 2 includes a fixed frame 21 with an inverted L-shaped structure, wherein a vertical section of the fixed frame 21 is fixedly mounted on the left side of the upper end surface of the base 1, a horizontal section of the fixed frame 21 is slidably mounted with a first infrared range finder 22 capable of moving left and right and used for axially detecting the wheel 4, and a right end surface of the vertical section of the fixed frame 21 is slidably mounted with a second infrared range finder 23 capable of moving up and down and used for radially detecting the wheel 4.

Referring to fig. 3 and 4, the feeding mechanism 3 includes a rotating frame 31 rotatably mounted on the right side of the upper end surface of the base 1, an annular frame 32 is mounted on the rotating frame 31, three supporting cylinders 33 are uniformly mounted on the circumferential direction of the upper end surface of the annular frame 32, a placement round frame 34 limited by a shaft hole 41 is rotatably mounted on the upper end surface of the supporting cylinders 33, a rotating motor 35 with a lifting function is mounted on the right side of the lower end surface of the horizontal section of the fixed frame 21, a driving roller 36 is mounted at the lower end of a driving shaft of the rotating motor 35, rectangular protrusions 361 are arranged on the lower end surface of the driving roller 36, and rectangular grooves 341 matched with the rectangular protrusions 361 are formed in the upper end surface of the placement round frame 34.

Referring to fig. 4, 5 and 6, an annular placing frame 342 is installed below the side wall of the circular placing frame 34, a plurality of moving blocks 343 are uniformly and circumferentially arranged on the upper end surface of the annular placing frame 342 in a penetrating manner, the moving blocks 343 are slidably arranged from the center of the annular placing frame 342 to the side edge of the annular placing frame 342, clamping cylinders 344 for limiting the screw holes 42 are installed on the upper end surface of the moving blocks 343, connecting protrusions corresponding to the moving blocks 343 one by one are arranged on the lower end surface of the annular placing frame 342, and return springs 345 are commonly installed between the connecting protrusions and the corresponding moving blocks 343;

the movable block 343 is clamped with an annular rope 346 at one side far away from the circular rack 34, a fixing protrusion is arranged on the lower end face of the annular rack 342, a winding shaft 347 capable of self-locking is arranged on the fixing protrusion through a bearing, and one end of the winding shaft 347 far away from the fixing protrusion is fixedly connected with the annular rope 346.

When the wheel 4 is in specific work, the winding shaft 347 is twisted to tighten the annular ropes 346, the winding shaft 344 is driven to synchronously move in the moving process of the moving block 343, so that the movable clamping cylinder 344 can initially limit and lock the wheels 4 with different distances between the shaft holes 41 and the screw holes 42, the reset spring 345 can play a reset role on the clamping cylinder 344 through the moving block 343, after the position adjustment of the clamping cylinder 344 is finished, the wheels 4 are moved to the upper end face of any one of the placing round racks 34, the shaft holes 41 and the screw holes are respectively coaxial with the placing round racks 34 and the clamping cylinder 344, the wheels 4 are downwards moved to be placed on the annular placing rack 342, the winding shaft 347 is twisted again to tighten the annular ropes 346 at the moment, and then the annular ropes 346 can resist the screw holes 42 through the force applied to the centers of the placing round racks 34 by the moving block 343 and the clamping cylinder 344, the annular placing rack 342 and the clamping cylinder 344 are mutually matched to lock the wheels 4, and the possibility that the wheels 4 with different diameters of the screw holes 42 shake in the rotating process is avoided.

Referring to fig. 7, a rubber pad 3441 is sleeved on the side wall of the clamping cylinder 344, and the rubber pad 3441 can reduce the rigid clamping between the clamping cylinder 344 and the screw hole 42, prevent the clamping cylinder 344 from damaging the screw thread, and protect the screw hole 42.

Referring to fig. 9, an adjusting slot 348 is formed in the circular rack 34, a plurality of inner support plates 349 capable of automatically resetting are provided on the side wall of the circular rack 34 by penetrating and sliding circumferentially, a tightening protrusion 3410 is mounted at one end of the inner support plates 349 located in the adjusting slot 348, an adjusting rod 340 extending vertically is provided on the lower end of the adjusting slot 348 by penetrating and sliding, a circular boss type protrusion 3411 is provided on the adjusting rod 340, and the tightening protrusion 3410 abuts against the side wall of the circular boss type protrusion 3411.

Referring to fig. 8, a moving groove 331 is formed in the support cylinder 33, a round block 332 is slidably disposed in the moving groove 331, a lower end of an adjusting rod 340 passes through the moving groove 331 and is mounted on the round block 332 through a bearing, an air cylinder 333 which is communicated with the moving groove 331 and can be automatically reset is mounted on one side of the support cylinder 33 far away from the center of the annular frame 32, and a trapezoidal block 334 which is matched with the air cylinder 333 is disposed on the upper end face of the base 1 and on the left side of the annular frame 32.

The ring frame 32 is driven to rotate by the interaction of external driving force (manual rotation, a driving motor and the like) and the rotating frame 31, so that the placing round frame 34 with the wheels 4 rotates around the center of the ring frame 32 through the bearing cylinder 33, the ring frame 32 rotates to drive the air cylinders 333 to synchronously rotate, when the air cylinders 333 rotate around the center of the ring frame 32 and pass through the inclined planes of the trapezoid blocks 334, the telescopic ends of the air cylinders 333 are compressed, wherein the round blocks 332 and the moving grooves 331 form a closed space, air is pumped into the moving grooves 331 in the compression process of the air cylinders 333, the air expansion in the moving grooves 331 drives the round blocks 332 to move upwards, the adjusting rods 340 are driven to move upwards in the upward process of the round blocks 332, the adjusting rods 340 further drive the round platform-shaped protrusions 3411 to move upwards, the abutting protrusions 3411 move along the side walls of the round platform-shaped protrusions 3411, the round platform-shaped protrusions 3411 and the abutting protrusions 3411 are mutually matched with the abutting protrusions 3410 to drive the inner supporting plates 349 to move outwards, the inner supporting plates 349 abut against the shaft holes 41, the stability of the wheels 4 is further improved, the influence on the accuracy of detection data in the rotation process of the wheels 4 is avoided, the fact that the air adjusting rods 340 are rotationally arranged on the round blocks 332 to pump air in the moving grooves 331, the moving downwards under the condition of the moving grooves 331, the condition of the rotating, the round blocks 332 can be synchronously moved in the condition of the supporting the round platform-shaped protrusions 3411, and the supporting plates are arranged in the opposite to the shape of the supporting mode of the supporting plate 349 is improved, and the supporting structure is arranged.

Referring to fig. 9, a -shaped frame 3481 and an -shaped frame 3481 are arranged in the adjusting groove 348, two vertical sections of the -shaped frame 3481 are fixed at the top of the adjusting groove 348, a limiting protrusion 3482 is arranged on the lower end surface of the horizontal section of the -shaped frame 3481, a limiting hole 3483 matched with the limiting protrusion 3482 is formed in the upper end surface of the adjusting rod 340, the limiting hole 3483 is driven to move upwards in the moving process of the adjusting rod 340 so that the limiting hole 3483 and the limiting protrusion 3482 are matched with each other, and further the adjusting rod 340 is ensured not to drive the round table-shaped protrusion 3411 to rotate relatively in the rotating process of the round table-shaped frame 34, so that abrasion between the abutting protrusion 3410 and the round table-shaped protrusion 3411 is reduced.

Referring to fig. 10, a locking inclined plane which is inclined upwards from the center of the self-adjusting slot 348 to the side edge of the adjusting slot 348 is formed on the upper side of one end of the inner supporting plate 349 away from the adjusting slot 348, and the locking inclined plane is synchronous with the upper end surface of the shaft hole 41 in the process of propping the shaft hole 41 by the inner supporting plate 349, so that the locking inclined plane can ensure that the wheel 4 cannot slide up and down in the rotating process, the stability of the wheel 4 is further improved, and the accuracy of detection data is prevented from being influenced by up-down shaking in the rotating process of the wheel 4.

Referring to fig. 8, the exhaust valve 335 is disposed on the side wall of the support cylinder 33 and above the air cylinder 333 and is connected to the moving slot 331, because the size of the shaft hole 41 is different, when the telescopic end of the air cylinder 333 moves along the inclined plane of the trapezoid block 334, the inner support plate 349 may contact with the shaft hole 41 in advance and no longer moves outwards, the annular frame 32 drives the telescopic end of the air cylinder 333 to move along the inclined plane of the trapezoid block 334 through the support cylinder 33, at this time, the adjusting rod 340 does not move upwards due to the outward movement of the inner support plate 349, the pressure between the lower end of the round block 332 and the moving slot 331 increases, when the pressure is greater than the critical pressure of the exhaust valve 335, the exhaust valve 335 is opened, and the gas at the lower end of the round block 332 overflows from the exhaust valve 335, at this time, the inner support plate 349 always abuts against the shaft hole 41 and does not move outwards, so that the exhaust valve 335 can ensure that the space pressure of the moving slot 331 at the lower end of the round block 332 is fixed, and the inner support plate 349 can support and lock the shaft holes 41 with different diameters.

The above-mentioned mode that the inner support plate 349 is propped against the shaft hole 41 and the clamping cylinder 344 is propped against the screw hole 42 to be matched with can ensure the stability of the wheel 4 in the detection process, control the variable of shaking in the rotation process of the wheel 4, avoid shaking in the rotation process of the wheel 4, and improve the accuracy of detection data

When the wheel 4 to be detected moves right below the rotating shaft, the telescopic end of the air cylinder 333 moves to the vertical surface of the trapezoid block 334, the rotating motor 35 moves downwards to drive the rectangular bulge 361 to be inserted into the rectangular groove 341 through the driving roller 36, the first infrared distance meter 22 and the second infrared distance meter 23 are synchronously opened, the rotating motor 35 is started to drive the placing round frame 34 to rotate through the mutual matching of the driving roller 36 and the rectangular bulge 361, the placing round frame 34 rotates, the first infrared distance meter 22 measures the distance from the first infrared distance meter 22 to the side surface of the wheel 4 in the rotating process of the wheel 4, when the indication number of the first infrared distance meter 22 is always kept unchanged in the rotating process of the wheel 4 or is in a safety range, the plane of the wheel 4 has no axial deviation, and when the indication number of the second infrared distance meter 23 is always kept unchanged in the rotating process of the wheel 4 or is in the safety range, the wheel 4 has no radial deviation in the annular surface, otherwise the wheel 4 has radial deviation in the annular surface, the rectangular bulge 361 can be matched with the placing round frame 34 to prevent the wheel 32 from rotating relatively in the detecting process of the wheel 32, and the relative stability of the wheel 32 can be prevented from being increased in the detecting process of the rotating process of the wheel 4 through the mutual matching of the placing round frame 34;

after the wheel 4 rotates for a certain number of turns, the first infrared distance meter 22 and the second infrared distance meter 23 are moved, so that distance measurement processing can be performed on different axial positions of the wheel 4 and different radial positions of the wheel 4 respectively, and then multiple groups of detection data can be obtained, so that detection is more representative.

In the process of detecting the wheels 4, the wheels 4 are placed on the rest circular racks 34 manually, when the detection of the previous wheel 4 is finished, the rotating motor 35 moves upwards to drive the rectangular protrusions 361 to move out of the rectangular grooves 341 through the driving roller 36, the annular rack 32 rotates for 120 degrees and then drives the wheel 4 after the detection is finished to withdraw, the next wheel 4 rotates below the rotating roller around the center of the annular rack 32, and the detection process of the wheel 4 to be detected can be carried out by repeating the actions in the detection process.

The three supporting columns 33 which are circumferentially and uniformly arranged on the annular frame 32 are matched with the placing circular frame 34, so that the wheels 4 can be intermittently fed, the wheels 4 on the supporting columns 33 and the placing circular frame 34 can be synchronously placed on the remaining two groups of supporting columns 33 and the placing circular frame 34 through manpower in the detection process, the time required for taking down and installing the wheels 4 after the detection of the wheels 4 on the supporting columns 33 and the placing circular frame 34 is finished is reduced, and the efficiency of batch detection of the wheels 4 is improved.

Referring to fig. 12, the invention further provides a wheel runout detection method, which comprises the following steps: step one, placing: the wheel 4 is moved to the upper end surface of any one of the circular holders 34 so that the shaft holes 41 and the screw holes are coaxial with the circular holders 34 and the clamping cylinders 344, respectively, and then the wheel 4 is moved downward so that the wheel 4 is placed on the annular placing frame 342.

And step two, rotation treatment: the annular frame 32 is driven to rotate by the interaction of external driving force and the rotating frame 31, so that the placement round frame 34 with the wheels 4 moves to the position right below the driving roller 36, at the moment, the rotating motor 35 moves downwards, the rectangular protrusion 361 is driven by the driving roller 36 to be inserted into the rectangular groove 341, and the rotating motor 35 is started to drive the wheels 4 to rotate by the interaction of the driving roller 36 and the placement round frame 34.

Third step, detection treatment: in the rotation process of the wheel 4, the first infrared distance meter 22 and the second infrared distance meter 23 are started to perform distance measurement treatment on the end face and the radial direction of the wheel 4 respectively.

Fourth step, detecting for many times: after the wheel 4 rotates for a certain number of turns, the first infrared distance meter 22 and the second infrared distance meter 23 are moved, so that distance measurement treatment can be respectively carried out on different axial positions of the wheel 4 and different radial positions of the wheel 4, and whether the readings of the first infrared distance meter 22 and the second infrared distance meter 23 change in the same position detection process is observed.

Fifth step, replacing the wheels: in the above detection process, the wheels 4 to be detected are placed on the remaining circular placing frames 34, and when the detection of the wheels 4 placed in the first step is finished, the annular frame 32 is rotated to repeat the above steps of one, two, three and four, so that the detection treatment can be performed on the remaining wheels 4 to be detected.

In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Furthermore, the terms "first," "second," "first," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "first", "second", "first", "second" may include at least one such feature, either explicitly or implicitly. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

The embodiments of the present invention are all preferred embodiments of the present invention, and are not limited in scope by the present invention, so that all equivalent changes according to the structure, shape and principle of the present invention are covered in the scope of the present invention.

Claims (7)

1. Wheel runout detection device, including base (1), its characterized in that: the upper end face of the base (1) is provided with a detection mechanism (2) and a feeding mechanism (3) in sequence from left to right, wherein;

the detection mechanism (2) comprises a fixed frame (21) with an inverted L-shaped structure, wherein a vertical section of the fixed frame (21) is fixedly arranged on the left side of the upper end face of the base (1), a horizontal section of the fixed frame (21) is slidably provided with a first infrared range finder (22) which can move left and right and is used for axially detecting the wheel (4), and a right end face of the vertical section of the fixed frame (21) is slidably provided with a second infrared range finder (23) which can move up and down and is used for radially detecting the wheel (4);

the feeding mechanism (3) comprises a rotating frame (31) rotatably arranged on the right side of the upper end face of the base (1), an annular frame (32) is arranged on the rotating frame (31), three supporting cylinders (33) are circumferentially and uniformly arranged on the upper end face of the annular frame (32), a placement round frame (34) with a shaft hole (41) being limited is rotatably arranged on the upper end face of the supporting cylinders (33), a rotating motor (35) with a lifting function is arranged on the right side of the lower end face of the horizontal section of the fixed frame (21), a driving roller (36) is arranged at the lower end of a driving shaft of the rotating motor (35), rectangular protrusions (361) are arranged on the lower end face of the driving roller (36), and rectangular grooves (341) matched with the rectangular protrusions (361) are formed in the upper end face of the placement round frame (34);

an adjusting groove (348) is formed in the round placing frame (34), a plurality of inner supporting plates (349) capable of automatically resetting are uniformly and longitudinally penetrating through the side wall of the round placing frame (34), a tight supporting protrusion (3410) is arranged at one end, located inside the adjusting groove (348), of the inner supporting plates (349), an adjusting rod (340) extending up and down is arranged at the lower end of the adjusting groove (348) in a penetrating and sliding mode, a round table-shaped protrusion (3411) is arranged on the adjusting rod (340), and the tight supporting protrusion (3410) abuts against the side wall of the round table-shaped protrusion (3411);

the bearing cylinder (33) inside set up move groove (331), move groove (331) inside slip and be provided with rotary knob (332), on adjusting pole (340) lower extreme passed and move groove (331) and install rotary knob (332) through the bearing, but one side that annular frame (32) center was kept away from to bearing cylinder (33) is installed and is link up and can reset inflator (333) voluntarily with moving groove (331), but the left side that base (1) up end just is located annular frame (32) is provided with trapezoidal piece (334) with inflator (333) matched with.

2. The wheel runout detection device according to claim 1, wherein: annular rack (342) are installed to rack (34) lateral wall below, evenly run through in annular rack (342) up end circumference and be provided with a plurality of movable blocks (343), and movable block (343) are from annular rack (342) center to annular rack (342) side slip setting, clamping cylinder (344) spacing to screw (42) are installed to movable block (343) up end, annular rack (342) lower terminal surface be provided with movable block (343) one-to-one connect protruding, connect and install reset spring (345) jointly between protruding and the movable block (343) that correspond.

3. The wheel runout detection apparatus according to claim 2, wherein: one side of the moving block (343) far away from the round rack (34) is clamped with an annular rope (346), the lower end face of the annular rack (342) is provided with a fixing protrusion, a winding shaft (347) capable of self-locking is arranged on the fixing protrusion through a bearing, and one end of the winding shaft (347) far away from the fixing protrusion is fixedly connected with the annular rope (346).

4. The wheel runout detection device according to claim 1, wherein: the adjusting groove (348) is internally provided with a type frame (3481), two vertical sections of the type frame (3481) are fixed at the top of the adjusting groove (348), the lower end surface of the horizontal section of the type frame (3481) is provided with a limiting protrusion (3482), and the upper end surface of the adjusting rod (340) is provided with a limiting hole (3483) matched with the limiting protrusion (3482).

5. The wheel runout detection device according to claim 1, wherein: the upper side of one end of the inner supporting plate (349) far away from the adjusting groove (348) is provided with a locking inclined surface which is inclined upwards from the center of the adjusting groove (348) to the side edge of the adjusting groove (348).

6. The wheel runout detection device according to claim 1, wherein: an exhaust valve (335) communicated with the moving groove (331) is arranged on the side wall of the bearing cylinder (33) and above the air cylinder (333).

7. The wheel runout detection apparatus according to claim 2, wherein: the side wall of the clamping cylinder (344) is sleeved with a rubber pad (3441).