CN112067196A

CN112067196A - Dynamic balance detection main shaft for wheel

Info

Publication number: CN112067196A
Application number: CN202010959223.6A
Authority: CN
Inventors: 陈敬伟
Original assignee: Anhui Alphabet Industrial Design Co ltd
Current assignee: Anhui Alphabet Industrial Design Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2020-12-11

Abstract

The invention relates to a dynamic balance detection main shaft for a wheel, which is integrally tubular, the detection main shaft is rotatably arranged on a detection supporting seat, a clamping mechanism comprises an avoidance notch arranged on the detection main shaft, a puller head is arranged in the avoidance notch, one end of the puller head is hinged with the inner wall of the detection main shaft, a hinged shaft of the puller head is vertically arranged with the detection main shaft, a push pipe is arranged in the detection main shaft, the push pipe moves along the length direction of the detection main shaft and implements the clamping and positioning of one end of the puller head extending out of the avoidance notch, when the wheel is clamped and positioned, the puller head of the clamping mechanism extends out of one end of the avoidance notch, thereby effectively implementing the clamping of a central hole of a wheel hub, then a tire taking and placing mechanism resets, so that a centering arm and a central alignment pipe are far away, thereby implementing the unloading of the wheel, and enabling the detection main shaft to implement, and starting to detect the rotation of the main shaft so as to detect the dynamic balance data of the wheel.

Description

Dynamic balance detection main shaft for wheel

Technical Field

The invention relates to the technical field of vehicle engineering, in particular to a dynamic balance detection spindle for a wheel.

Background

In the practical application process of the rotor, the dynamic balance stability of the rotor is particularly important for the normal use of the rotor. The dynamic balance is an operation of determining and eliminating the position and size of the unbalance amount (centrifugal force and centrifugal couple) generated when the rotor rotates. The unbalance of the rotor causes the transverse vibration of the rotor and causes the rotor to be unnecessarily subjected to dynamic load, which is not favorable for the normal operation of the rotor, so most rotors should be subjected to a dynamic balance detection process. In the process of actual use of the vehicle, dynamic balance detection of the wheel is very important, and after dynamic balance unbalance of the wheel occurs, the dynamic balance detection has great influence on the normal use of the vehicle and the normal use of a wheel hub and a tire of the vehicle. In the prior art, a plurality of devices for detecting dynamic balance with a wheel are provided, wherein a mode of detaching the wheel from a vehicle for independent detection is the most common, the detection mode has higher precision, the wheel is placed on a main shaft of the detection device after being detached from the vehicle, the connection between the wheel and the main shaft is realized through a cone and a nut, then the main shaft is started to rotate, a signal of the dynamic reaction force of the main shaft is detected through a sensor, and the signal is transmitted to a main control module of the detection device, so that the position of the wheel influencing the dynamic balance can be judged according to the sensor on the main shaft, a detector fixes a balance weight according to the position and detects again until the wheel reaches the dynamic balance within a set error range, and in the using process, the wheel needs to be cleaned, the operation is complex, and the wheel is very inconvenient to detach from the main shaft, the center of wheel hub and the lead screw of main shaft extremely produce the damage of colliding with very easily, in case the damage is too big, still need reprocess wheel hub, and the testing process requirement is very high, wastes time and energy.

Disclosure of Invention

The invention aims to provide a dynamic balance detection main shaft for a wheel, which can effectively ensure the detection precision, improve the detection convenience and avoid damaging a hub.

The technical scheme adopted by the invention is as follows:

the utility model provides a wheel dynamic balance detects main shaft, it wholly is the tubular structure to detect the main shaft, it sets up on detecting the supporting seat to detect main shaft rotary type, clamping mechanism is including setting up the breach of dodging that detects the main shaft, be provided with the puller head in dodging the breach, the one end of puller head is articulated with the inner wall that detects the main shaft, the articulated shaft and the detection main shaft of puller head are arranged perpendicularly, be provided with the push pipe in the detection main shaft, the push pipe is along detecting main shaft length direction removal and implementing and stretch out the one end of dodging the breach to puller head one end.

The invention also has the following features:

the articulated shaft of the puller head is provided with a reset torsion spring, and the reset torsion spring enables the puller head to stretch into the pipe cavity of the detection main shaft.

The detection main shaft is provided with a limiting ring, the limiting ring is provided with a top, the top is provided with a plurality of groups along the limiting ring, one end of the top is provided with a slide bar, the slide bar is arranged on the detection supporting seat in a sliding mode, the slide bar is sleeved with a jacking spring, and two ends of the jacking spring are respectively abutted against the top and the detection supporting seat.

And one end of the jacking pipe is provided with a connecting bearing, and the other end of the connecting bearing is connected with a piston rod of the jacking cylinder.

The invention has the technical effects that: when the wheel is clamped and positioned, the jacking head of the clamping mechanism extends out of one end of the avoidance notch, so that the center hole of the wheel hub can be effectively clamped, then the tire taking and placing mechanism is reset, the centering arm and the center aligning pipe are far away, the wheel is unloaded, the detection spindle is clamped to the wheel, and the detection spindle is started to rotate, so that the dynamic balance data of the wheel is detected.

Drawings

Fig. 1 is a front view of a wheel dynamic balance detecting apparatus;

fig. 2 is a left side view of the wheel dynamic balance detecting apparatus;

fig. 3 is a schematic view of the overall structure of the wheel dynamic balance detecting apparatus;

FIG. 4 is a schematic view of the dynamic wheel balance detecting apparatus after being removed from a portion of the housing;

fig. 5 and 6 are schematic diagrams of two viewing angle structures after the dynamic balance detection device of the wheel is moved out of the shell;

fig. 7 and 8 are schematic views of two visual structures of the tire pick and place mechanism;

FIGS. 9 and 10 are schematic views of the tire pick and place mechanism in two partially constructed views;

FIGS. 11 and 12 are schematic views of two view angles of the centering arm in the tire pick and place mechanism;

FIGS. 13 and 14 are schematic views of two perspective structures of a tire management mechanism;

FIGS. 15 and 16 are schematic views of the cleaning roller of the tire cleaning mechanism from two different perspectives;

FIG. 17 is a schematic sectional view of the cleaning roller;

FIG. 18 is a schematic view of the structure of the inspection spindle;

fig. 19 is a schematic sectional view of the inspection spindle.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the invention will now be described in detail with reference to the following examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed. As used herein, the terms "parallel" and "perpendicular" are not limited to their strict geometric definitions, but include tolerances for machining or human error, legibility and inconsistency;

the following describes the dynamic balance detecting main shaft of the wheel according to the present invention in detail with reference to the whole dynamic balance detecting apparatus of the wheel:

specific features of the wheel dynamic balance detecting apparatus are described in detail below with reference to fig. 1 to 19:

a dynamic balance detection device for a wheel comprises a detection main shaft 100, wherein a tire taking and placing mechanism 200 is arranged beside the detection main shaft 100, the tire taking and placing mechanism 200 is used for inserting and detaching a tire and the detection main shaft 100, a clamping mechanism is arranged on the tire taking and placing mechanism 200, and the clamping mechanism is used for clamping the tire and the main shaft;

when the dynamic balance detection of the tire is implemented, the tire to be detected is detached from the vehicle, the tire is transferred by the tire taking and placing mechanism 200, the tire is guided into the detection main shaft 100, the detection main shaft 100 is started to rotate, the dynamic balance detection of the tire is implemented, the tire can be effectively clamped by the clamping mechanism, the tire is prevented from falling off from the detection main shaft 100, the detection accuracy can be effectively ensured by the dynamic balance detection equipment, the detection convenience is improved, and the hub is prevented from being damaged.

As a preferable scheme of the invention, a tire cleaning mechanism 400 is further arranged beside the tire taking and placing mechanism 200, and the tire cleaning mechanism 400 is used for cleaning the tire tread;

in order to further reduce the manual work on the tire and avoid the data acquisition distortion caused by the remaining stones in the groove of the tire, when the tire is taken and placed, the tire cleaning mechanism 400 cleans the tire, so that the stones on the surface of the tire and the stones in the gullies are effectively removed, and the accuracy of dynamic balance data acquisition can be effectively improved when the detection spindle 100 detects the dynamic balance data of the tire.

Preferably, the tire picking and placing mechanism 200 includes a picking and placing frame 210, a central alignment pipe 220 is disposed on the picking and placing frame 210, the central alignment pipe 220 is used for implementing insertion connection to a central hole of an automobile hub, and the central alignment pipe 220 moves horizontally and forms insertion connection and separation matching with the detection spindle 100;

when a tire detached from a vehicle is placed at a side position of the tire taking and placing mechanism 200, the taking and placing frame 210 is started, the taking and placing frame 210 is horizontally arranged in an even number, the center aligning pipe 220 is in insertion fit with a center hole of the tire, so that the tire taking operation can be effectively carried out, then the center aligning pipe 220 horizontally moves and is in insertion fit with the detection spindle 100, so that the tire is inserted on the detection spindle 100, then the clamping mechanism clamps the tire, the detection spindle 100 is started to rotate, so that the dynamic balance data of the vehicle can be effectively obtained, after the detection is finished, the center aligning pipe 220 of the tire taking and placing mechanism 200 is separated from the detection spindle 100, so that the tire is detached from the detection spindle 100, the wheel is led out, and the detection of the dynamic balance of the vehicle is finished.

In order to adapt to centering and clamping operations of vehicles with different sizes, a centering mechanism is arranged on the pick-and-place frame 210 and used for finding the center position of a wheel, the centering mechanism comprises at least three centering arms 230, the centering arms 230 are arranged along the circumferential direction of the center alignment pipe 220, the middle sections of the three centering arms 230 are hinged with the pick-and-place frame 210, hinged shafts of the three centering arms 230 are arranged perpendicular to the axis of the alignment pipe 220, and the driving unit drives the centering arms 230 to synchronously rotate around the hinged shafts;

when the centering operation of the wheel is implemented, the disassembled tire is placed at the lateral position of the pick-and-place frame 210, the driving unit is started, the three centering arms 230 rotate around the hinge shaft, the outer wall of the wheel is clamped, the hub center hole of the tire is positioned at the concentric position of the alignment pipe 220, the alignment pipe 220 is started to move horizontally, the insertion fit of the hub center is implemented, the centering operation of the tire is implemented, the centering operation of the hub center hole of the tire is implemented, the clamping operation of the tire is implemented, then the wheel is guided to the position of the detection spindle 100, and the detection spindle 100 is started, so that the detection of the dynamic balance information of the wheel can be effectively implemented;

further, when the inserting operation of the hub center hole of the wheel is performed, the alignment tube 220 is slidably disposed on the pick-and-place frame 210, the driving unit drives the centering arm 230 to synchronously rotate around the hinge shaft and drives the alignment tube 220 to horizontally slide, so that the alignment tube 220 is inserted into the center position of the wheel;

when the wheel centering operation is performed, the driving unit drives the centering arm 230 to synchronously rotate around the hinge shaft, the wheel centering operation is performed, then the alignment pipe 220 horizontally slides, so that the alignment pipe 220 is inserted at the hub center pipe position of the wheel, the clamping and positioning operation on the wheel hub is performed, and then the wheel hub is transferred to the detection spindle 100, so that the dynamic balance detection of the wheel is performed.

More specifically, the middle section of the centering arm 230 is hinged on the pick-and-place frame 210, one end of the centering arm 230 is provided with a driving roller 231, the wheel center of the driving roller 231 is arranged in parallel with the hinged shaft of the centering arm 230, the driving unit comprises a driving flap 232 abutted against the driving roller 231, the driving flap 232 is arranged in a horizontally extending manner, one end of the driving flap 232 is connected with a driving ring 233, the center of the driving ring 233 is connected with the piston rod of a driving cylinder 234, and the piston rod of the driving cylinder 234 is arranged horizontally;

when the centering operation of the wheel is performed, the driving cylinder 234 is started, so that the driving ring 233 moves horizontally, the driving flap 232 moves horizontally, the centering arm 230 is linked to rotate around the hinge shaft, the centering arm 230 can effectively clamp the outer wall of the tire and perform the centering operation of the tire, the aligning pipe 220 is inserted at the central tube position of the hub of the wheel, so that the center of the hub of the wheel is found, the center of the hub of the wheel is conveniently inserted on the detection main shaft 100, and the dynamic balance data of the wheel is detected.

In application, in order to enable the centering arm 230 to normally present a state of being far away from the outer wall of the wheel so as to adapt to clamping and centering operations of automobile wheels with different outer diameters, a torsion spring 235 is sleeved on a hinged shaft of the centering arm 230, and the torsion spring 235 enables clamping ends of the centering arm 230 to be far away from each other.

Specifically, an extension support plate 221 is arranged on the outer wall of the center aligning pipe 220, a horizontal sliding rod 222 is arranged on the extension support plate 221, the horizontal sliding rod 222 is arranged along the length direction of the center aligning pipe 220 and forms a sliding fit with the driving ring 233 in the horizontal direction, an extrusion spring 223 is sleeved on the horizontal sliding rod 222, and two ends of the extrusion spring 223 are respectively abutted against the extension support plate 221 and the driving ring 233;

when the central alignment pipe 220 is inserted into the central pipe of the wheel hub, the driving oil cylinder 234 is continuously started, after the clamping and centering operation of the tire is performed, the central alignment pipe 220 horizontally moves under the driving force of the driving oil cylinder 234, the central alignment pipe 220 is in inserted fit with the center of the wheel hub, and after the central alignment pipe 220 is inserted into the wheel hub, the extrusion spring 223 is compressed, so that the central alignment pipe 220 is avoided until the central alignment pipe 220 is inserted into the wheel hub.

In order to conveniently guide a vehicle detached from the vehicle to the position of the tire pick-and-place mechanism 200 to realize automatic dynamic balance detection of the vehicle wheels, a material guide chute plate 240 is further arranged beside the tire pick-and-place mechanism 200, the material guide chute plate 240 is horizontally arranged in an extending manner, one end of the material guide chute plate 240 forms an inlet of the vehicle wheels, a notch 241 is arranged at an outlet of the material guide chute plate 240, and the centering arm 230 is located in the notch 241;

the disassembled tire is placed at the position of the material guide chute plate 240, and as the material guide chute plate 240 is guided to the outlet position, the driving oil cylinder 234 is started, the centering arm 230 rotates around the joint shaft to perform lifting and clamping centering on the outer wall of the tire, the driving oil cylinder 234 is continuously started, the central alignment pipe 220 horizontally moves, the central alignment pipe 220 is inserted into the hub central hole of the tire, and therefore centering operation on the tire is achieved.

When the center aligning pipe 220 is inserted into a hub center hole of a wheel, a notch 224 is formed in the outer wall of the center aligning pipe 220, a tightening wedge 225 is arranged in the notch 224, the outer side wall of the tightening wedge 225 abuts against a tightening sheet 226, one end of the tightening sheet 226 is connected with a driving ring 233 through a tightening spring 227, and the tightening spring 227 is horizontally arranged;

after the center alignment tube 220 is inserted into the wheel hub center hole, the actuating cylinder 234 continues to be actuated to compress the tightening spring 227 and extend the tightening wedge 225 out of the notch 224, thereby exerting an abutment against the wheel hub center hole to perform a wheel clamping operation.

More specifically, the pick-and-place frame 210 is arranged on a traversing mechanism, the traversing mechanism drives the pick-and-place frame 210 to move horizontally, and the moving direction is perpendicular to the length direction of the center alignment pipe 220, the traversing mechanism comprises a traversing nut 211 arranged on the pick-and-place frame 210, the traversing nut 211 is matched with a traversing screw rod 212, the traversing screw rod 212 is arranged horizontally and perpendicular to the center alignment pipe 220, and one end of the traversing screw rod 212 is connected with a rotating shaft of a traversing motor 213;

after the tire is clamped and positioned by the center alignment pipe 220 and the center arm 230 on the pick-and-place frame 210, the traverse motor 213 is started to move the pick-and-place frame 210 along the length direction of the traverse screw rod 212, so as to implement the tire taking operation;

more specifically, two ends of the traverse screw 212 are rotatably disposed on the horizontal moving frame 214, a horizontal moving nut 2141 is disposed on the horizontal moving frame 214, a horizontal moving screw 2142 is disposed in the horizontal moving nut 2141, and one end of the horizontal moving screw 2142 is connected to a motor 2143;

after the tire is taken out of the chute plate 240, the motor 2143 is activated to horizontally move the horizontal moving frame 214 along the length direction of the inspection spindle 100 and guide the tire onto the inspection spindle 100 to perform transfer of the tire, the inspection spindle 100 is activated to rotate to perform rotation of the tire, and dynamic balance data of the wheel is acquired to perform effective judgment of the vehicle.

More specifically, a baffle 242 is disposed at an outlet of the chute plate 240, one side of the baffle 242 is hinged to the outlet of the chute plate 240, a hinged shaft of the baffle 242 is horizontal and perpendicular to the length direction of the chute plate 240, a torsional spring is sleeved on the hinged shaft of the baffle 242, and the torsional spring enables the baffle 242 and the chute plate 240 to be in a perpendicular state;

the disassembled tire is placed on the material guide groove plate 240, the material guide groove plate 240 supports the tire, the baffle 242 is used for blocking the tire, after the center aligning pipe 220 and the centering arm 230 clamp and position the tire, the transverse moving mechanism is started, the torsion force of the baffle 242 is overcome, the tire is separated from the material guide groove plate 240, and then the transferring operation of the tire is completed.

In order to make the driving ring 233 and the accessories thereon rotate along with the position of the piston rod of the driving cylinder 234, the center of the driving ring 233 and the piston rod of the driving cylinder 234 are connected to the centering arm 230 through a connecting bearing 235.

As will be described in detail below, the tire cleaning mechanism 400 has an operation principle, the tire cleaning mechanism 400 includes a cleaning roller 410 disposed on a moving path of the pick-and-place frame 210, a driving roller 420 is disposed beside the cleaning roller 410, and the driving roller 420 rotates and drives the pick-and-place frame 210 to rotate;

when the cleaning operation of stones on the surface of the wheel is implemented, the transverse moving mechanism is started, so that the wheel is guided to the tire cleaning mechanism 400 in a clamped and positioned state, the driving roller 420 and the cleaning roller 410 are started to rotate, when the driving roller 420 is implemented to rotate, the wheel is positioned on the connecting bearing 235 to rotate, the cleaning roller 410 is abutted against the outer wall of the wheel and rotates, then the stones clamped in the groove on the surface of the wheel can be effectively removed, and the accuracy of dynamic balance data acquisition is ensured.

Preferably, in order to implement the reliability of removing stones on the surface of the wheel, the driving roller 420 and the cleaning roller 410 are arranged horizontally and parallel to the axial direction of the wheel, the driving roller 420 and the cleaning roller 410 are distributed at two sides of the wheel, the power unit drives the driving roller 420 and the cleaning roller 410 to rotate, the directions are opposite, and the rotating speed of the cleaning roller 410 is greater than that of the driving roller 420;

the driving roller 420 and the cleaning roller 410 are distributed at two sides of the wheel, the driving roller 420 and the cleaning roller 410 can be effectively driven by the power unit in the process of driving the driving roller 420 and the cleaning roller 410 to rotate, the rotation directions of the driving roller 420 and the cleaning roller 410 are opposite, the rotation speed of the cleaning roller 410 is greater than that of the driving roller 420, stones carried in the ravines on the surface of the wheel can be effectively pulled out, and certainly, bristles of the cleaning roller 410 are made of hard synthetic materials, and the stones clamped in the ravines of the tire of the wheel can be effectively removed;

more preferably, when the operation of cleaning the surface small stones of the wheel is performed, the driving roller 420 and the cleaning roller 410 are rotatably arranged on the cleaning frame 430, and the cleaning frame 430 is vertically arranged and is linked with the driving roller 420 and the cleaning roller 410 to vertically lift;

the cleaning rack 430 moves vertically, so that the driving roller 420 and the cleaning roller 410 are respectively abutted against the outer wall of the wheel, and the driving roller 420 and the cleaning roller 410 are started to rotate, so that the cleaning operation of stones on the surface of the wheel is implemented;

preferably, the driving roller 420 and the cleaning roller 410 are respectively and rotatably disposed at one end of the first cantilever 440 and the second cantilever 450, the other end of the first cantilever 440 and the second cantilever 450 are respectively and rotatably disposed on the cleaning frame 430, the rotating shafts at the two ends of the first cantilever 440 and the second cantilever 450 are horizontal and arranged in parallel with the driving roller 420 and the cleaning roller 410, and the rotating shafts at the other end of the first cantilever 440 and the second cantilever 450 are both provided with a reset torsion spring 460, and the reset torsion spring 460 enables the driving roller 420 and the cleaning roller 410 to be in a close state;

when clamping the two sides of the wheel is performed, the reset torsion spring 460 makes the elastic contact between the driving roller 420 and the cleaning roller 410 on the first suspension arm 440 and the second suspension arm 450 and the wheel, respectively, and starts the driving roller 420 and the cleaning roller 410, so as to effectively perform the cleaning operation on the wheel and adapt to the cleaning operation of stones on the surface of the wheel with most outer diameters.

More preferably, a first driving wheel 421 is arranged at one end of the driving roller 420 extending out of the first suspension arm 440, a second driving wheel 441 is arranged on a rotating shaft at the other end of the first suspension arm 440, the first driving wheel 421 and the second driving wheel 442 are connected through a first belt, a first driven wheel 411 is arranged at one end of the cleaning roller 410 extending out of the second suspension arm 450, a second driven wheel 451 is arranged on a rotating shaft at the other end of the second suspension arm 450, the first driven wheel 411 and the second driven wheel 451 are connected through a second belt, the second driving wheel 442 is connected with an output shaft of the transmission case 470, and an input shaft of the transmission case 470 is connected with the motor 480;

the transmission case 470 is further provided with a second output shaft, the second output shaft is provided with a driving pulley 471, the second driven pulley 451 is concentrically provided with a driven pulley 452, and the driven pulley 452 is connected with the driving pulley 471 through a belt;

when the driving roller 420 and the cleaning roller 410 are driven reversely and at different speeds, the shaft and the motor 480 are started, so that the rotation directions of the output shafts on the two sides of the gearbox body 470 are opposite, the rotation speeds of the two output shafts are different, the driving roller 420 and the cleaning roller 410 are linked to be in a rotation state with the opposite rotation directions and the great rotation speed difference, and then the stone entrained in the ravines on the wheel surface is removed.

When vertical lifting of the cleaning rack 430 is implemented to clamp two sides of the outer wall of a wheel, a lifting nut 431 is arranged on the cleaning rack 430, a lifting screw rod 432 is arranged in the lifting nut 431, the lifting screw rod 432 is vertically arranged, the upper end of the lifting screw rod 432 is connected with a lifting motor 433, the cleaning rack 430 is vertically and slidably arranged on a sliding rod 434, and the upper end and the lower end of the sliding rod 434 are connected with the rack;

after the traversing mechanism transports the wheel to a position below the cleaning frame 430, the lifting motor 433 is started to lower the cleaning frame 430, so that the driving rollers 420 and the cleaning rollers 410 are distributed on both sides of the wheel, the clamping operation on the outer wall of the wheel is performed, and the driving rollers 420 and the cleaning rollers 410 are started to rotate, so that the cleaning operation on the stones in the gaps of the wheel is performed.

More specifically, in order to ensure the reliability of removing stones in the ravines on the surface of the wheel, the cleaning roller 410 is of a tubular structure, the cleaning roller 410 is rotatably disposed on a shaft 412, the inner wall of the cleaning roller 410 is provided with a clamping groove 4101, the clamping groove 4101 is arranged along the length direction of the cleaning roller 410, a clamping strip 4121 is disposed on the shaft 412, the clamping strip 4121 is matched with the clamping groove 4101, and one end of the shaft 412 is connected with the first driven wheel 411;

the shaft lever 412 is sleeved with a return spring 413, two ends of the return spring 413 are respectively abutted to one end of the cleaning roller 410 and the rod end of the shaft lever 412, one end of the cleaning roller 410 is provided with a driving extension ring 415, the second cantilever 450 is provided with a driving electric cylinder 414, the driving electric cylinder 414 and the cleaning roller 410 are arranged in parallel, the rod end of the electric cylinder 414 is provided with a ball 4141, and the ball 4141 is abutted to the driving extension ring 415;

when the wheel cleaning operation is performed, the electric cylinder 414 is started to move back and forth, so that the ball 4141 abuts against the driving extension ring 415, the cleaning roller 410 is linked to slide along the shaft rod 412, the cleaning roller 410 slides back and forth along the shaft rod 412 under the restoring force of the restoring spring 413, the cleaning roller 410 performs a composite motion of rotation and horizontal sliding, and the stone on the surface of the wheel can be effectively removed.

After the stones on the surface of the wheel are cleaned, starting a motor 2143, so that the horizontal moving frame 214 moves horizontally along the length direction of the detection main shaft 100, and guides the tire to the detection main shaft 100 to transfer the tire, wherein the detection main shaft 100 is integrally tubular, the detection main shaft 100 is rotatably disposed on the detection supporting seat 500, the clamping mechanism includes an avoidance notch 110 disposed on the outer wall of the detection main shaft 100, a tightening head 120 is disposed in the avoidance notch 110, one end of the tightening head 120 is hinged to the inner wall of the detection main shaft 100, a hinge shaft of the tightening head 120 is disposed perpendicular to the detection main shaft 100, a top pipe 130 is disposed in the detection main shaft 100, the top pipe 130 moves along the length direction of the detection main shaft 100, and one end of the tightening head 120 extends out of one end of the avoidance notch 110;

when the wheel is clamped and positioned, the puller head 120 of the clamping mechanism extends out of one end of the avoidance notch 110, so that the center hole of the wheel hub can be effectively clamped, then the tire taking and placing mechanism 200 is reset, so that the centering arm 230 and the center aligning pipe 220 are far away, so that the wheel is unloaded, the detection spindle 100 is enabled to clamp the wheel, and the detection spindle 100 is started to rotate, so that the dynamic balance data of the wheel is detected;

during the approaching of the tire pick-and-place mechanism 200 to the inspection spindle 100, the inspection spindle 100 extends into the center alignment tube 220 and compresses the compression spring 223 on the center alignment tube 220, so that the center alignment tube 220 is withdrawn from the inspection spindle 100;

more specifically, a return torsion spring is disposed on the hinge shaft of the tightening head 120, and the return torsion spring enables the tightening head 120 to extend into the lumen of the detection spindle 100.

More specifically, when positioning one side of the wheel is implemented, the detection main shaft 100 is provided with a limiting ring 140, the limiting ring 140 is provided with a plurality of jacks 150, the jacks 150 are provided with a plurality of groups along the limiting ring 140, one end of the jack 150 is provided with a slide rod 151, the slide rod 151 is slidably arranged on the detection support seat 500, a jacking spring 152 is sleeved on the slide rod 151, and two ends of the jacking spring 152 are respectively abutted against the jacks 150 and the detection support seat 500;

when the tire picking and placing mechanism 200 links the wheel to be inserted and abutted against the detection spindle 100, under the action of the ejector 150, the wheel is effectively adjusted, so that the wheel is in a vertical state, and the wheel is ejected and centered.

More specifically, one end of the top pipe 130 is provided with a connecting bearing 131, and the other end of the connecting bearing 131 is connected with a piston rod of a jacking cylinder 132;

the detection main shaft 100 is rotatably arranged on the detection bearing, the detection sensor is arranged on the detection bearing and used for collecting torque data of the main shaft, and the data are transmitted into the main control module, so that the dynamic balance defect position existing on the wheel can be accurately judged, then the main control module is stopped, the optical grating of the device is used for positioning the unbalanced position of the wheel, the patch is fixed on a wheel hub through glue, the machine is operated again for detection until the error meets the dynamic balance setting data error, the detection of the dynamic balance is completed, then the tire taking and placing mechanism 200 is used for detaching the vehicle on the detection main shaft 100 and guiding out the vehicle, and the dynamic balance detection of a single vehicle is completed.

The vehicle dynamic balance detection method comprises the following steps:

the method comprises the following steps that firstly, tire air pressure on a vehicle is detected by air pressure detection equipment, whether the air pressure of 4 wheels is normal or not is judged, if not, air is filled and exhausted to the wheels, and the air pressure of the vehicle meets the air pressure used normally;

secondly, the wheel is detached from the vehicle and placed on the material guiding groove plate 240 of the tire taking and placing mechanism 200, and the driving oil cylinder 234 of the tire taking and placing mechanism 200 is started, so that the centering arm 230 of the tire taking and placing mechanism 200 is effectively clamped with the outer wall of the wheel, and the center alignment pipe 220 of the tire taking and placing mechanism 200 is inserted into the center hole of the wheel hub of the vehicle;

third, the traversing mechanism of the tire pick-and-place mechanism 200 is started, so that the wheel is transported to the side of the tire cleaning mechanism 400 in the direction perpendicular to the center alignment pipe 220;

fourthly, starting a lifting motor 433 of the tire cleaning mechanism 400, so that a driving roller 420 and a cleaning roller 410 of the tire cleaning mechanism 400 descend and are abutted against the outer walls of the two sides of the wheel;

fifthly, starting a motor 480 of the tire cleaning mechanism 400 to enable a driving roller 420 and a cleaning roller 410 to rotate reversely, and cleaning the stones on the surface of the wheel;

sixthly, resetting the tire cleaning mechanism 400, so that the driving roller 420 and the cleaning roller 410 are lifted and separated from the wheel, starting the motor 2143 of the tire taking and placing mechanism 200, transferring the wheel onto the detection spindle 100, and inserting the detection spindle 100 at the center hole position of the wheel hub;

seventhly, starting a jacking cylinder 132 in the detection main shaft 100, so that a jacking pipe 130 in the detection main shaft 100 moves along the length direction of the detection main shaft 100 and one end of a jacking head 120 extends out of one end of the avoidance notch 110 to clamp a central hole of a wheel hub;

eighthly, starting the detection main shaft 100 to rotate so as to obtain the dynamic balance data of the wheel and find the dynamic balance influence position of the wheel, and pasting the dynamic balance data of the wheel by using glue until the dynamic balance data of the wheel meets the requirement;

and ninthly, resetting the tire taking and placing mechanism 200, detaching the detected vehicle from the detection main shaft 100, and transferring the vehicle to the material guide groove plate 240 to guide out the detected wheel, so as to complete the detection of the dynamic balance of the wheel.

Claims

1. Wheel dynamic balance detects main shaft, its characterized in that: detect main shaft (100) and wholly be the tubular structure, it sets up on detecting supporting seat (500) to detect main shaft (100) rotary type, clamping mechanism is including setting up dodging breach (110) detecting main shaft (100) outer wall, be provided with puller head (120) in dodging breach (110), the one end of puller head (120) is articulated with the inner wall that detects main shaft (100), the articulated shaft of puller head (120) is arranged with detecting main shaft (100) is perpendicular, be provided with push pipe (130) in detecting main shaft (100), push pipe (130) are removed and are implemented stretching out the one end of dodging breach (110) to puller head (120) one end along detecting main shaft (100) length direction.

2. The dynamic balance testing spindle for vehicle wheels according to claim 1, wherein: the articulated shaft of the puller head (120) is provided with a reset torsion spring, and the reset torsion spring enables the puller head (120) to stretch into the pipe cavity of the detection main shaft (100).

3. The dynamic balance testing spindle for vehicle wheels according to claim 2, wherein: the detection device is characterized in that a limiting ring (140) is arranged on the detection main shaft (100), a top head (150) is arranged on the limiting ring (140), a plurality of groups of top heads (150) are arranged along the limiting ring (140), a sliding rod (151) is arranged at one end of the top head (150), the sliding rod (151) is arranged on the detection support seat (500) in a sliding mode, a jacking spring (152) is sleeved on the sliding rod (151), and two ends of the jacking spring (152) are abutted to the top head (150) and the detection support seat (500) respectively.

4. The dynamic balance testing spindle for vehicle wheels according to claim 1, wherein: one end of the jacking pipe (130) is provided with a connecting bearing (131), and the other end of the connecting bearing (131) is connected with a piston rod of the jacking cylinder (132).

5. The dynamic balance testing spindle for vehicle wheels according to claim 1, wherein: the tire taking and placing mechanism is characterized in that a tire taking and placing mechanism (200) is arranged beside the detection main shaft (100), the tire taking and placing mechanism (200) is used for inserting and detaching a tire and the detection main shaft (100), a clamping mechanism is arranged on the tire taking and placing mechanism (200), and the clamping mechanism is used for clamping the tire and the main shaft.

6. The dynamic balance testing spindle for vehicle wheels according to claim 5, wherein: the tire picking and placing mechanism (200) comprises a picking and placing frame (210), a center aligning pipe (220) is arranged on the picking and placing frame (210), the center aligning pipe (220) is used for inserting and connecting a center hole of an automobile hub, and the center aligning pipe (220) moves horizontally and forms inserting and separating matching with the detection main shaft (100).

7. The dynamic balance testing spindle for vehicle wheels according to claim 6, wherein: the center aligning mechanism is arranged on the taking and placing frame (210) and used for finding the center position of a wheel, the center aligning mechanism comprises at least three center aligning arms (230), the center aligning arms (230) are arranged along the circumferential direction of the center aligning pipe (220), the middle sections of the three center aligning arms (230) are hinged to the taking and placing frame (210), hinge shafts of the three center aligning arms (230) are perpendicular to the axis of the center aligning pipe (220), and the driving unit drives the center aligning arms (230) to rotate around the hinge shafts synchronously.

8. The dynamic balance testing spindle for vehicle wheels according to claim 7, wherein: the alignment pipe (220) is arranged on the pick-and-place frame (210) in a sliding mode, the driving unit drives the centering arm (230) to synchronously rotate around the hinge shaft and drive the alignment pipe (220) to horizontally slide, and therefore the alignment pipe (220) is inserted into the center position of the wheel.

9. The dynamic balance testing spindle for vehicle wheels according to claim 8, wherein: the middle section position of the centering arm (230) is hinged on the pick-and-place frame (210), one end of the centering arm (230) is provided with a driving roller (231), the wheel center of the driving roller (231) is arranged in parallel with the hinged shaft of the centering arm (230), the driving unit comprises a driving folded plate (232) abutted against the driving roller (231), the driving folded plate (232) is horizontally extended, one end of the driving folded plate (232) is connected with a driving ring (233), the center of the driving ring (233) is connected with the piston rod of a driving oil cylinder (234), and the piston rod of the driving oil cylinder (234) is horizontally arranged; a torsional spring (235) is sleeved on a hinged shaft of the centering arm (230), and the torsional spring (235) enables clamping ends of the centering arm (230) to be far away from each other;

an extension support plate (221) is arranged on the outer wall of the center alignment pipe (220), a horizontal sliding rod (222) is arranged on the extension support plate (221), the horizontal sliding rod (222) is arranged along the length direction of the center alignment pipe (220) and forms sliding fit with the driving ring (233) in the horizontal direction, an extrusion spring (223) is sleeved on the horizontal sliding rod (222), and two ends of the extrusion spring (223) are respectively abutted to the extension support plate (221) and the driving ring (233);

a notch (224) is formed in the outer wall of the center aligning pipe (220), a jacking wedge block (225) is arranged in the notch (224), the outer side wall of the jacking wedge block (225) abuts against a jacking sheet (226), one end of the jacking sheet (226) is connected with the driving ring (233) through a jacking spring (227), and the jacking spring (227) is horizontally arranged.

10. Wheel dynamic balance check out test set which characterized in that: the dynamic balance detecting apparatus for a wheel includes the dynamic balance detecting spindle for a wheel according to any one of claims 1 to 9.