CN113173217B - Device and method for detecting axial deviation of tire - Google Patents
Device and method for detecting axial deviation of tire Download PDFInfo
- Publication number
- CN113173217B CN113173217B CN202110654455.5A CN202110654455A CN113173217B CN 113173217 B CN113173217 B CN 113173217B CN 202110654455 A CN202110654455 A CN 202110654455A CN 113173217 B CN113173217 B CN 113173217B
- Authority
- CN
- China
- Prior art keywords
- tire
- roller
- frame
- rolling
- detected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
- B62D65/005—Inspection and final control devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
- B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
- B62D65/024—Positioning of sub-units or components with respect to body shell or other sub-units or components
- B62D65/028—Positioning of sub-units or components with respect to body shell or other sub-units or components by determining relative positions by measurement
Abstract
The invention relates to the technical field of vehicle assembly detection, in particular to a device and a method for detecting axial deviation of a tire. The dynamic detection is realized, the automation degree is high, the error of the traditional manual measurement is avoided, and the precision and the efficiency of the tire axis deviation detection are improved.
Description
Technical Field
The invention relates to the technical field of vehicle assembly detection, in particular to a device and a method for detecting axial deviation of a vehicle tire.
Background
In recent years, along with the great development of national economy, the overweight problem of semi-trailers is strictly managed and controlled by the nation, and people hope to load more goods to improve the transportation efficiency on the premise of meeting regulations, so that light-weight semi-trailers are proposed and quickly developed to be light-weight hot tide, and various parameter indexes such as production parameter data and wheelbase levelness of the light-weight semi-trailers are important data for adapting to the market of the light-weight semi-trailers, ensuring high bearing capacity and prolonging the service life of the light-weight semi-trailers.
At present, the semitrailer mostly adopts the fixed point on the semitrailer through towing pin locator, a plurality of wheel hub locators, and the parallelism and the verticality detection of the semitrailer axle are realized through the comparison of the tensile length of the measuring tape connected between the two locators by manual observation. Or a fixed point measurement by a sensor. However, the above-described method has the following disadvantages:
1. through the wheel hub locator location, the positioning process is loaded down with trivial details, and the measurement process is static measurement, can not avoid because the measurement error that parking is crooked or positioning error leads to and only can lead to the measured data error to increase through artifical tape tensile error and artifical observation error, lead to measured data can not really reflect the influence of each item parameter change of the automobile body of semitrailer to the structure.
2. The common wheelbase measurement mostly adopts manual stretching flexible rule visual measurement, is time-consuming and not suitable for an automatic production line, has certain difference on the detection precision of important parameters such as wheelbase levelness, the angle between an axis and a frame center line, position data of a hub relative to the frame center and the like, and has certain distance on a data collection and formation rule theory.
3. The axle deviation condition is measured by using a laser sensor and the like, so that the axle, the bogie and the hub are fixed, and the semi-trailer is in a static state. However, the condition that the axle deviation occurs in the driving process of the semitrailer cannot be detected, the semitrailer needs to be positioned and detected after being tested on an outdoor road surface, a series of processes are time-consuming and labor-consuming, and the detection result is influenced by the positioning deviation in accuracy.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a device and a method for detecting the axle deviation of a vehicle tire are provided, which can improve the accuracy and the efficiency of the detection of the axle of the vehicle tire.
In order to solve the technical problems, the invention adopts a technical scheme that:
the utility model provides a detection apparatus for be used for tire off-axis, includes the roller bearing that can follow a direction removal and the detector that is used for the amount of movement of record roller bearing, a direction is the perpendicular to the axial direction of roller bearing, the roller bearing just with the tire contact that waits to detect the roller bearing and the tire axle parallel arrangement that waits to detect.
The invention adopts another technical scheme that: a method for detecting the axial deviation of the vehicle tire is applied to the device for detecting the axial deviation of the vehicle tire, and comprises the following steps:
the method comprises the following steps: before detection, placing a tire to be detected so that the tire is in contact with the roller, and recording a first position parameter of the roller by using a detector;
step two: during detection, the rolling shaft is driven to rotate;
step three: when the number of turns of the roller reaches a preset number of turns, stopping the rotation of the roller, recording a second position parameter of the current roller through a detector, comparing the first position parameter with the second position parameter to obtain the movement amount of the roller, and judging whether the movement amount is within a preset difference range;
if not, judging that the tire to be detected has the shaft deviation.
The invention has the beneficial effects that: the invention provides a device and a method for detecting the axial deviation of a tire, wherein a roller is arranged to be in contact with the tire to be detected, the roller is driven to drive the tire to rotate, the tire reflects the deflection condition of the tire shaft to the roller through friction force, the roller moves in one direction under the influence of the axial deviation of the tire shaft, and the movement amount generated by the roller is matched with the offset of the deflection angle of the tire shaft in the one direction. And recording a first position parameter corresponding to the roller before detection and a second position parameter of the roller after detection by the detector, comparing the first position parameter with the second position parameter to obtain the movement amount of the roller, and judging whether the tire to be detected has the shaft deviation. The invention realizes the dynamic detection of the tire by reflecting the tire axial deviation condition to the rolling shaft, and then the offset of the rolling shaft is obtained by combining the detector, thereby judging the axial deviation detection result, not only having high automation degree, but also avoiding the error of the traditional manual measurement and improving the precision and the efficiency of the tire axial deviation detection.
Drawings
FIG. 1 is a plan view of an assembly structure of a device for detecting tire misalignment according to the present invention;
FIG. 2 is a schematic view of a roller assembly of the present invention for detecting a tire misalignment;
FIG. 3 is a schematic structural view of a frame centering device for a tire misalignment detection device according to the present invention;
FIG. 4 is a schematic structural view of an adjustable positioning device for a tire misalignment detection device according to the present invention;
FIG. 5 is a flow chart illustrating the steps of a method for detecting tire misalignment in accordance with the present invention;
description of reference numerals:
1. a roller device; 11. a frame; 12. a rotation driving mechanism; 13. a detector; 14. a distance measuring sensor; 15. a first linear guide rail; 16. a roller; 17. rolling the single body;
2. a frame centering device; 21. a cross frame; 22. positioning a plate; 23. fixing a plate; 24. a ball screw; 25. a drive block; 241. a servo drive motor;
3. an adjustable positioning device; 31. a base plate; 32. a kingpin locator; 33. a lifting block; 34. a second linear guide;
4. a semi-trailer frame; 41. and (5) testing the tire to be tested.
Detailed Description
In order to explain the technical contents, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 4, the present invention provides a device for detecting a tire axis deviation, including a roller capable of moving along a direction and a detector for recording a movement amount of the roller, wherein the direction is perpendicular to an axial direction of the roller, the roller contacts a tire to be detected, and the roller is parallel to a tire axis to be detected.
As can be seen from the above description, the beneficial effects of the present invention are: the invention provides a detection device for tire shaft deflection, which is in contact with a tire to be detected through a rolling shaft, wherein the rolling shaft is driven to drive the tire to rotate, the tire reflects the deflection condition of a tire shaft to the rolling shaft through friction force, the rolling shaft moves in one direction under the influence of the tire shaft deflection, and the movement amount of the rolling shaft is matched with the offset of the tire shaft deflection angle in the one direction. And comparing the recorded offset of the detector with the error precision to obtain an axis deviation detection conclusion. The detection device realizes dynamic detection, has high automation degree, avoids the error of traditional manual measurement, and simultaneously improves the precision and the efficiency of the tire axial deviation detection.
Furthermore, the rolling device also comprises a rotary driving mechanism, and the rotary driving mechanism is in driving connection with the rolling shaft.
According to the above description, the rotation driving mechanism is in driving connection with the roller to drive the roller to rotate, and after the roller rotates, the friction force generated by the contact of the roller and the tire drives the tire to rotate, so that the tire obtains the rotating driving force, and the dynamic detection of the tire is realized.
Furthermore, the number of the rolling shafts is even, the even number of the rolling shafts are respectively arranged in parallel and at intervals, every two rolling shafts are used as a group of rolling single bodies, each group of the rolling single bodies is in contact with the same tire to be detected, and any one rolling shaft in each group of the rolling single bodies is in driving connection with the rotary driving motor.
According to the description, the number of the rolling shafts is even, the even number of the rolling shafts are respectively arranged in parallel and at intervals, and every two rolling shafts are used as a group of rolling units to be in contact with the same tire to be detected, so that synchronous detection on multiple groups of tires can be simultaneously realized. And any one roller in each group of rolling single bodies is in driving connection with the rotary driving motor, namely each group of rolling single bodies is provided with a roller for synchronously driving the tire to rotate and a driven roller. When the tire rotates on the rolling single body, the tire shaft simultaneously reflects the deflection condition of the tire shaft to the two rollers through friction force, the two rollers move in one direction under the influence of the axial deflection of the tire shaft, and the detector simultaneously records the movement amount generated by the two rollers. Every two rolling shafts are used as a group of rolling single bodies to be matched with the same tire, so that the contact surface between the tire and the rolling shafts is increased, the stability of the movement process is improved, and the detection error is reduced.
The automobile tire detection device is characterized by further comprising fixed rolling shafts which are parallel to the rolling shafts and are arranged at intervals, wherein the fixed rolling shafts are fixedly arranged in one direction, the fixed rolling shafts and the rolling shafts are used as a group of rolling single bodies, and the rolling single bodies are in contact with the same tire to be detected.
As can be seen from the above description, the fixed rolling shaft and the rolling shaft are used as a group of rolling units to be in contact with the same tire to be tested, and the fixed rolling shaft is fixedly arranged in the direction, so that the contact surface of the tire with the fixed rolling shaft can be used as a fulcrum when the tire deflects in the movement process, and the deflection condition of the tire shaft is completely reflected to the rolling shaft. On one hand, the contact area of the tire and the roller can be increased, and on the other hand, the detector can record the movement amount of the roller in one direction conveniently, so that the detection efficiency is improved.
The device further comprises a rack and first linear guide rails arranged on the rack, wherein the two first linear guide rails are arranged in parallel, and the extending direction of the first linear guide rails is the same as one direction;
and two ends of the rolling shaft are respectively connected with the two first linear guide rails in a sliding manner.
As can be seen from the above description, the two ends of the roller are slidably connected to the two first linear guide rails, respectively, so that the roller can move in one direction.
Further, still include distance measuring sensor, distance measuring sensor sets up in roller bearing one side, just distance measuring sensor with the axle center of waiting to detect the tire sets up relatively.
As can be seen from the above description, the distance measuring sensor is disposed on one side of the roller, and the distance measuring sensor is disposed opposite to the axle center of the tire to be detected, and is used for detecting parameters such as the wheelbase between the tires to be detected, the parallelism between the connecting line of the tire axles and the frame center line, the distance between the wheel hub and the frame center line, and the distance between the towing pin and the end face of the tire axle.
Further, the device also comprises a frame centering device and an adjustable positioning device;
the tire to be detected is arranged at the bottom of the semi-trailer frame;
the frame centering device and the adjustable positioning device are respectively arranged at two ends in one direction, and the distance between the frame centering device and the adjustable positioning device is matched with the length of the semi-trailer frame;
the adjustable positioning device comprises a traction pin positioner;
the frame centering device comprises a cross frame arranged in parallel relative to a rolling shaft and two positioning plates respectively arranged on the cross frame, the two positioning plates are respectively arranged in an axisymmetric manner by taking the central axis of the cross frame as an axis, and the distance between the two positioning plates is matched with the distance between the inner walls of two girders of the semi-trailer frame;
and the projection of the connecting line of the traction pin positioner and the center of the transverse frame in the vertical direction is overlapped with the central axis of the roller.
From the above description, it can be seen that the frame centering device and the adjustable positioning device are respectively disposed at both ends in one direction, the frame centering device fixes and positions the rear end beam located at the tail of the semitrailer frame, and the adjustable positioning device fixes and positions with the towing pin of the semitrailer through the towing pin positioner. The semi-trailer is automatically positioned preliminarily through the frame centering device and the adjustable positioning device, a tire to be detected is contacted with a roller below after preliminary positioning, and because the projection of a connecting line of the towing pin positioner and the center of the cross frame in the vertical direction is overlapped with the central axis of the roller, the central line of the semi-trailer and the central axis of the roller are positioned on the same vertical plane, and positioning, mounting and fixing before measurement are realized.
Furthermore, the adjustable positioning device further comprises a bottom plate, a second linear guide rail and a lifting block are arranged on the bottom plate, the second linear guide rail is arranged in the same direction as one direction, the lifting block is arranged on the second linear guide rail and is in sliding connection with the second linear guide rail, and the traction pin positioner is arranged on the lifting block.
As can be known from the description, the second linear guide rail traction pin positioner arranged in the same direction as the direction is arranged on the bottom plate through the lifting block, so that the distance between the traction pin positioner and the frame centering device and the height of the traction pin positioner can be conveniently adjusted, and the semitrailer bodies with different lengths and heights can be adapted.
Furthermore, a fixed plate is arranged at the center of the transverse frame, and the two positioning plates are respectively arranged at two ends of the fixed plate;
the parts of the transverse frame corresponding to the two sides of the fixed plate are respectively provided with a ball screw and a driving block in driving connection with the ball screw.
According to the semi-trailer frame, the length of the fixed plate is matched with the distance between the inner walls of the girders at the rear end of the semi-trailer frame, after the girders at the rear end of the semi-trailer frame are placed on the top plate to be pre-positioned, the driving blocks are driven to move towards the direction close to the fixed plate by driving the ball screws, the two driving blocks and the positioning plate are driven to jointly prop against the girders at the rear end of the semi-trailer frame, clamping and fixing are formed, and the stability of positioning and mounting of the semi-trailer frame is ensured.
Referring to fig. 5, the present invention further provides a method for detecting an axle deviation of a tire, which is applied to a device for detecting an axle deviation of a tire, and includes the following steps:
the method comprises the following steps: before detection, placing a tire to be detected so that the tire is in contact with the roller, and recording a first position parameter of the roller by using a detector;
step two: during detection, the rolling shaft is driven to rotate;
step three: when the number of turns of the roller reaches a preset number of turns, stopping the rotation of the roller, recording a second position parameter of the current roller through a detector, comparing the first position parameter with the second position parameter to obtain the movement amount of the roller, and judging whether the movement amount is within a preset difference range;
if not, judging that the tire to be detected has the shaft deviation.
From the above description, the beneficial effects of the present invention are: a detection method for the axle deviation of a tire comprises the steps of recording a first position parameter of a roller before detection and a second position parameter of the roller after detection through a detector, comparing the first position parameter with the second position parameter to obtain the movement amount of the roller, and judging whether the movement amount is within a preset difference range to obtain the result of whether the axle deviation occurs in the tire to be detected. According to the invention, the dynamic detection of the tire is realized by reflecting the tire axial deviation condition to the roller, and the offset of the roller is obtained by combining the detector, so that the axial deviation detection conclusion is judged, the degree of automation is high, the error of the traditional manual measurement is avoided, and the accuracy and efficiency of the tire axial deviation detection are improved.
Referring to fig. 1 to 4, a first embodiment of the present invention is:
a detection device for tire shaft deviation comprises a roller device 1, a frame centering device 2 and an adjustable positioning device 3 which are arranged in one direction at intervals, wherein the roller device is positioned between the frame centering device and the adjustable positioning device. The detection device is used for detecting various parameters of tires of the semitrailer. The semitrailer comprises a semitrailer frame 4 and tires 41 to be detected arranged at the bottom of the semitrailer frame, and preferably the semitrailer is a high-strength aluminum alloy light semitrailer.
The roller device comprises a rack 11, a rotary driving mechanism 12, a detector 13 and a distance measuring sensor 14 which are horizontally arranged, wherein a first linear guide rail 15 and a roller 16 capable of moving along one direction are arranged on the rack, and the one direction is perpendicular to the axial direction of the roller. Specifically, two first linear guide rail parallel arrangement just the extending direction and the one direction syntropy of first linear guide rail, the both ends of roller bearing respectively with two first linear guide rail sliding connection. Preferably, the number of the rolling shafts is even, the even number of the rolling shafts are respectively arranged in parallel and at intervals, every two rolling shafts are used as a group of rolling units 17, and any one rolling shaft in each group of the rolling units is in driving connection with the rotation driving mechanism through a transmission device. The rotary driving mechanism is a motor, the power of the motor is 1.5kw, and the rotating speed is 300 r/min. The detector is specifically a wheel axle deviation detection grating ruler, and the model of the wheel axle deviation detection grating ruler is GVS 200. Each group of rolling monomers is provided with a detector, the detector is arranged on the rack and positioned on one side of any rolling shaft in each group of rolling monomers, and the detection range of the detector covers the corresponding rolling monomers. Specifically, the detector is fixed to one side of a roller connected to the rotation driving mechanism. The distance measuring sensor is a laser distance measuring sensor, the type of the laser distance measuring sensor is IL-300, the laser distance measuring sensor is arranged on the rack and connected with one of the first linear guide rails, and the distance measuring sensor is located in each group between two rolling shafts in the rolling monomer.
Each group of rolling single bodies further comprises a sliding block in sliding connection with the first linear guide rail, the rolling shafts are connected with the first linear guide rail through the sliding blocks, and locking pieces used for adjusting tightness between the sliding blocks and the first linear guide rail are further arranged on the sliding blocks. Before the detection, adjust to the child footpath looks adaptation with waiting to detect the tire in order to the distance between two rollers, can loosen the retaining member and adjust, screw the in-process during fixed and keep the retaining member to have certain elasticity to make the roller bearing after fixing can remove in a direction under the atress condition.
The distance between the frame centering device and the adjustable positioning device is matched with the length of the semitrailer frame. The frame centering device comprises a cross frame 21 and two positioning plates 22, wherein the cross frame is arranged in parallel relative to a rolling shaft, and two supporting legs fixedly connected with a supporting surface are arranged at the bottom of the cross frame. The center position of the upper end face of the transverse frame is provided with a fixed plate 23, and the two positioning plates are respectively arranged at two ends of the fixed plate so that the two positioning plates are symmetrically arranged by taking the central axis of the transverse frame as an axis. And the distance between the two positioning plates is matched with the distance between the inner walls of the two girders of the semi-trailer frame. The parts of the transverse frame corresponding to the two sides of the fixed plate are respectively provided with a ball screw 24 and a driving block 25 which is in driving connection with the ball screw. Specifically, the servo drive motor 241 of a ball screw is all established at the both ends of crossbearer, the drive block sets up on ball screw's slider, servo drive motor can drive ball screw after starting and drive the drive block removes towards the center of crossbearer.
The adjustable positioning device comprises a bottom plate 31, a traction pin positioner 32 and a lifting block 33, wherein a second linear guide rail 34 which is arranged in the same direction as one direction is arranged on the bottom plate, the lifting block is arranged on the second linear guide rail and is in sliding connection with the second linear guide rail, and the traction pin positioner is arranged at the upper end part of the lifting block.
In this embodiment, a projection of a connecting line between the towing pin positioner and the center of the cross frame in the vertical direction overlaps with a central axis of the roller.
Before detection, two ends of the semi-trailer frame are respectively arranged on the frame centering device and the adjustable positioning device, the tail girders of the semi-trailer frame are placed on the frame centering device, the inner walls of the two tail girders are respectively contacted with the two positioning plates, then a driving motor for driving the ball screw drives the two driving blocks to respectively move towards the positions of the positioning plates until the driving blocks are contacted with the outer walls of the tail girders, so that the tail girders are clamped together with the positioning plates, and pre-positioning of the semi-trailer frame is realized.
The adjustable positioning device adjusts the position of the lift block on the second linear guide rail to enable the kingpin locator on the lift block to be aligned with a kingpin at the front end of the semitrailer, the kingpin being located on the centerline of the semitrailer frame. Meanwhile, the gooseneck at the front end of the semitrailer frame is lifted by adjusting the horizontal height of the lifting block, and the horizontal height is adjusted until the two ends of the semitrailer frame are respectively positioned and fixed on the centering device and the adjustable positioning device, so that the tire to be detected arranged at the bottom of the semitrailer can be in contact with the roller on the roller device. Meanwhile, as the projection of the connecting line of the towing pin positioner and the center of the cross frame in the vertical direction is overlapped with the central axis of the rolling shaft, when the two ends of the semitrailer frame are respectively positioned and fixed on the centering device and the adjustable positioning device, the central line of the semitrailer and the central axis of the rolling shaft are positioned on the same vertical plane. In summary, before detection, the semi-trailer frame can be positioned through the frame centering device and the adjustable positioning device, and the stability of the detection process is ensured.
In this embodiment, the number of the rollers is six, and the six rollers form three groups of rolling monomers which can be adapted to the detection of three groups of tires to be detected.
In this embodiment, still include the system control cabinet, the system control cabinet include control system with display platform, rotary drive mechanism, detector and range finding sensor respectively with the control system electricity is connected.
The working principle is as follows:
in an initial state before detection, after the semi-trailer frame is positioned and fixed on the frame centering device and the adjustable positioning device, the distance between two rolling shafts in a group of rolling single bodies is adjusted to be matched with the tire diameter of the tire to be detected, and the tire to be detected is ensured to be fully contacted with the two rolling shafts respectively. And adjusting the distance measuring sensor to be opposite to the axle center of the tire to be detected. The detector detects first position parameters of two rollers in the current group of rolling monomers and transmits the first position parameters as standard values to the control system for recording and saving.
When the detection is started, the rotation driving mechanism drives one rolling shaft to rotate around the axial direction, and friction force is generated between the rolling shaft and a tire to be detected in the rotation process of the rolling shaft, so that the tire to be detected is driven to rotate, and the other rolling shaft is further driven to rotate through the rotation of the tire to be detected. If the tire to be detected is subjected to axial deviation in the rotation process, friction force generated in the rotation process of the tire to be detected acts on the two rolling shafts of the rolling single body, the two rolling shafts move in one direction under the influence of the axial deviation of the tire, the horizontal distance between the two ends of the tire shaft in one direction is a first distance according to the axial deviation angle, the two rolling shafts respectively move in the opposite directions in one direction under the influence of the stress of the tire to be detected, and the sum of the movement amounts of the two rolling shafts is equal to the first distance. And the roller stops after rotating to the preset number of turns, and the detector detects second position parameters respectively corresponding to the two rollers in the current group of rolling monomers and uploads the second position parameters to the control system. The control system obtains the sum of the movement amounts of the two rollers in the detection process according to the uploaded first position parameter and the uploaded second position parameter, meanwhile, a preset difference value is stored in the control system, and if the movement amounts of the two rollers in the detection process are within the range of the preset difference value, the tire shaft parameter of the detected tire is qualified; if not, the fact that the tire shaft of the detected tire is off-axis is indicated, and the tire shaft parameter is unqualified.
And simultaneously, after the rolling shaft stops rotating, the distance measuring sensor starts to detect position parameters corresponding to the axes of the two tires to be detected and uploads the position parameters to the control system, and the control system analyzes and obtains parameters such as a wheel base parameter between the two tires to be detected, a parallelism parameter between a connecting line of the two tire shafts and a frame central line, a distance parameter between the wheel hub and the frame central line, and a distance between the traction pin and the end face of the tire shaft according to records.
The second embodiment of the invention is as follows:
the difference from the first embodiment is that the structure of the rolling monomer is further improved, specifically: the automobile tire detection device is characterized by further comprising fixed rolling shafts which are parallel to the rolling shafts and are arranged at intervals, wherein the fixed rolling shafts are fixedly arranged in one direction, the fixed rolling shafts and the rolling shafts are used as a group of rolling single bodies, and the rolling single bodies are in contact with the same tire to be detected. Specifically, two ends of the fixed rolling shaft in the group of rolling units are fixedly arranged on the first linear guide rail, and two ends of the rolling shaft are in sliding connection with the first linear guide rail through the sliding block. The rotary driving motor is in driving connection with the rolling shaft through a transmission device. When the detection is started, the rotary driving mechanism drives the rolling shaft to rotate around the axial direction, and friction force is generated between the rolling shaft and a tire to be detected in the rotating process of the rolling shaft, so that the tire to be detected is driven to rotate, and the fixed rolling shaft is further driven to rotate through the rotation of the tire to be detected. If the tire to be detected is axially deviated in the rotation process, because the friction force generated by the tire to be detected in the rotation process acts on the rolling shaft, the rolling shaft moves in one direction under the influence of the axial deviation of the tire, the horizontal distance between the two ends of the tire shaft in one direction is a first distance according to the axial deviation angle, the rolling shaft moves in one direction under the influence of the stress of the tire to be detected, and the first distances of the movement of the rolling shaft are equal. And stopping after the rolling shaft rotates to a preset number of turns, detecting a second position parameter corresponding to the rolling shaft in the current group of rolling monomers by using the detector, and uploading the second position parameter to the control system. The control system obtains the movement amount of the roller in the detection process according to the uploaded first position parameter and second position parameter, meanwhile, a preset difference value is stored in the control system, and if the movement amount of the roller in the detection process is within the range of the preset difference value, the tire shaft parameter of the detected tire is qualified; if not, the detected tire shaft of the tire has shaft deviation, and the tire shaft parameter is unqualified.
Referring to fig. 5, a third embodiment of the present invention is:
the method for detecting the tire axial deviation is applied to the device for detecting the tire axial deviation, and comprises the following steps of:
the method comprises the following steps: before detection, placing a tire to be detected so that the tire is in contact with the roller, and recording a first position parameter of the roller by using a detector;
step two: during detection, the rolling shaft is driven to rotate;
step three: when the number of turns of the roller reaches a preset number of turns, stopping the rotation of the roller, recording a second position parameter of the current roller through a detector, comparing the first position parameter with the second position parameter to obtain the movement amount of the roller, and judging whether the movement amount is within a preset difference range;
if not, judging that the tire to be detected has the shaft deviation.
Specifically, the first step further comprises:
firstly, according to the number of tires arranged at the bottom of the semi-trailer frame, if two groups of tires to be detected are arranged at the bottom of the semi-trailer frame, two groups of corresponding rolling single bodies on the rolling shaft device are adjusted. And adjusting the distance between the two groups of rolling single bodies to be equal to the distance between the two groups of tires to be detected, and adjusting the distance between the two rolling shafts in each group of rolling single bodies to be matched with the tire diameter of the tires to be detected.
Then, two ends of the semi-trailer frame are respectively arranged on the frame centering device and the adjustable positioning device, specifically, a tail girder of the semi-trailer frame is placed on the frame centering device to realize centering and positioning, and a traction pin at the front end of the semi-trailer frame is aligned with a traction pin positioner on the adjustable positioning device and is fixed. The gooseneck at the front end of the semitrailer frame is lifted by adjusting the horizontal height of the lifting block, and the horizontal height is adjusted until the two ends of the semitrailer frame are respectively positioned and fixed on the centering device and the adjustable positioning device, so that the tire to be detected arranged at the bottom of the semitrailer can be fully contacted with the two rolling shafts on the corresponding rolling monomers.
And adjusting the position of a distance measuring sensor arranged between the two rolling shafts to the position that the distance measuring sensor is opposite to the axle center of the tire to be detected.
The first step further comprises the following steps: after positioning between the tire to be detected and the roller device is completed, position parameters of the center line of the semi-trailer frame corresponding to the current operating platform, a preset difference range of preset roller movement amount and preset number of turns of roller rotation are prestored in the system. The position parameter of the central line of the semi-trailer frame is specifically the corresponding position parameter of a connecting line between the traction pin and the center of the rear end beam of the frame, and the fixed-point detection is carried out on the traction pin to the center of the rear end beam of the frame through a handheld or externally-arranged laser ranging sensor. The preset number of turns of the roller can be set in advance on the operating system, for example, the preset number of turns of the roller is 20 when the page of the operating system inputs that the number of turns of the roller can be 1 when the display platform of the operating system displays that the corresponding tire to be detected can rotate around the tread under the preset number of turns. Meanwhile, the detector detects a first position parameter of the roller and uploads the first position parameter to the control system for recording.
In this embodiment, preferably, the preset number of turns is set to 20 turns.
In this embodiment, the preset difference range is preferably ± 1.5 mm.
The second step further comprises: the rotation of the driving roller is confirmed on the operating system.
The third step also comprises: when the number of turns of the rolling shaft reaches the preset number of turns, the rolling shaft is stopped to rotate, the second position parameter of the current rolling shaft is detected through the detector, the detected second position parameter is uploaded to the control system through the detector, the control system compares and analyzes the obtained second position parameter and the obtained first position parameter to obtain the movement amount of the rolling shaft, and the conclusion whether the wheel axle of the detected tire is qualified or not is obtained through judging whether the movement amount is within the preset difference range.
Meanwhile, after the rolling shaft stops rotating, the laser ranging sensor detects the position parameters of the tire shafts of the two tires to be detected, and uploads the position parameters of the tire shafts of the two tires to be detected, which are obtained through detection, to the control system. The control system analyzes and obtains the wheel base parameter between two tires to be detected, the parallelism parameter between the connecting line of the two tire shafts and the central line of the frame, the distance parameter between the wheel hub and the central line of the frame, the distance parameter between the traction pin and the end face of the tire shaft and the like. And the control system respectively analyzes the wheel base parameter between the two tires to be detected, the parallelism parameter between the connecting line of the two tire shafts and the center line of the frame, the distance parameter between the hub and the center line of the frame and the distance parameter between the traction pin and the end surface of the tire shaft, and judges whether the parameters are qualified or not.
In this embodiment, control system can carry out the record and the analysis to the data that obtain detecting and whether accord with the detection requirement to and accessible big data collection analysis carries out the integral analysis to mass production's high strength aluminum alloy lightweight semitrailer, forms certain technical rule and docks production transformation and production efficiency and all has very high value.
In this embodiment, the laser ranging sensor and the detector transmit the detection data to the control system through the external data port, the control system is connected with the external memory, transmits the acquired detection data to the external memory for recording and analysis, judges whether the detection data meets the factory inspection standard according to the record, and reduces the phenomena of wheel axle offset, loss, tires and the like through data analysis and improvement of a production process. And carrying out comprehensive optimization design from precision, adaptability, stability, automation degree and the like.
In summary, the detection device and the method for detecting the tire shaft deflection provided by the invention are characterized in that the roller is arranged to contact the tire to be detected, when the tire is driven to rotate on the roller, the deflection condition of the tire shaft is reflected to the roller by the tire through friction force, the roller moves in one direction under the influence of the tire shaft deflection, and the movement amount of the roller is matched with the offset of the tire shaft deflection angle in the one direction. And recording a first position parameter corresponding to the roller before detection and a second position parameter of the roller after detection by the detector, comparing the first position parameter with the second position parameter to obtain the movement amount of the roller, and judging whether the tire to be detected has the shaft deviation. And recording parameters such as a wheel base parameter between two tires to be detected, a parallelism parameter between a connecting line of two tire shafts and a frame central line, a distance parameter between a wheel hub and the frame central line, a distance between a traction pin and an end face of the tire shaft and the like through a distance measuring sensor. On the one hand, the light semitrailer before leaving the factory is tested by automatic equipment such as a laser ranging sensor and a wheel axle deviation detection grating ruler to determine whether each index parameter meets the requirement, errors caused by manual detection, semitrailer tire interference and the like are avoided, and meanwhile, the automatic detection device is high in automation degree and can adapt to production line production detection. On the other hand, structural performance parameters of the light semitrailer are analyzed through a large amount of data collection and big data, the production process is docked, the production process requirements are improved, and the problem of data reflection is avoided. The efficiency of producing the line not only can be improved, very important meaning is had to the whole life-span that improves lightweight semitrailer more.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (9)
1. The device for detecting the axial deviation of the tire is characterized by comprising a rolling shaft capable of moving along one direction and a detector for recording the movement amount of the rolling shaft, wherein the one direction is a direction perpendicular to the axial direction of the rolling shaft, the rolling shaft is in contact with the tire to be detected, and the rolling shaft is parallel to the axis of the tire to be detected;
the device also comprises a frame centering device and an adjustable positioning device;
the tire to be detected is arranged at the bottom of the semi-trailer frame;
the frame centering device and the adjustable positioning device are respectively arranged at two ends in one direction, and the distance between the frame centering device and the adjustable positioning device is matched with the length of the semi-trailer frame;
the adjustable positioning device comprises a traction pin positioner;
the frame centering device comprises a cross frame arranged in parallel relative to a rolling shaft and two positioning plates respectively arranged on the cross frame, the two positioning plates are respectively arranged in an axisymmetric manner by taking the central axis of the cross frame as an axis, and the distance between the two positioning plates is matched with the distance between the inner walls of two girders of the semi-trailer frame;
and the projection of the connecting line of the traction pin positioner and the center of the transverse frame in the vertical direction is overlapped with the central axis of the roller.
2. The apparatus of claim 1, further comprising a rotary drive mechanism in driving communication with the roller.
3. The device according to claim 2, wherein the number of the rollers is even, the even number of the rollers are respectively arranged in parallel and at intervals, every two rollers are used as a group of rolling units, each group of rolling units is in contact with the same tire to be detected, and any one roller in each group of rolling units is in driving connection with the rotary driving mechanism.
4. The device according to claim 2, further comprising a fixed roller parallel to the roller and spaced from the roller, wherein the fixed roller is fixed in the direction, the fixed roller and the roller are used as a set of rolling units, and the rolling units contact with the same tire to be tested.
5. The device for detecting the tire shaft misalignment is characterized by further comprising a frame and first linear guide rails arranged on the frame, wherein the two first linear guide rails are arranged in parallel, and the extending direction of the first linear guide rails is the same as one direction;
and two ends of the rolling shaft are respectively connected with the two first linear guide rails in a sliding manner.
6. The device for detecting the tire misalignment according to claim 1, further comprising a distance measuring sensor, wherein the distance measuring sensor is arranged on one side of the roller and is arranged opposite to the axle center of the tire to be detected.
7. The device for detecting the axial deviation of the tire as claimed in claim 1, wherein the adjustable positioning device further comprises a bottom plate, the bottom plate is provided with a second linear guide rail arranged in the same direction as the direction, and a lifting block arranged on the second linear guide rail and slidably connected with the second linear guide rail, and the towing pin positioner is arranged on the lifting block.
8. The device for detecting the axial deviation of the tire as claimed in claim 1, wherein a fixed plate is arranged at the center of the cross frame, and the two positioning plates are respectively arranged at two ends of the fixed plate;
the parts of the transverse frame corresponding to the two sides of the fixed plate are respectively provided with a ball screw and a driving block in driving connection with the ball screw.
9. A method for detecting an axial deviation of a tire, applied to the device for detecting an axial deviation of a tire according to any one of claims 1 to 8, comprising the steps of:
the method comprises the following steps: before detection, placing a tire to be detected so that the tire is in contact with the roller, and recording a first position parameter of the roller by using a detector;
step two: during detection, the rolling shaft is driven to rotate;
step three: when the number of turns of the roller reaches a preset number of turns, stopping the rotation of the roller, recording a second position parameter of the current roller through a detector, comparing the first position parameter with the second position parameter to obtain the movement amount of the roller, and judging whether the movement amount is within a preset difference range;
if not, judging that the tire to be detected has the shaft deviation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110654455.5A CN113173217B (en) | 2021-06-11 | 2021-06-11 | Device and method for detecting axial deviation of tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110654455.5A CN113173217B (en) | 2021-06-11 | 2021-06-11 | Device and method for detecting axial deviation of tire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113173217A CN113173217A (en) | 2021-07-27 |
| CN113173217B true CN113173217B (en) | 2022-06-21 |
Family
ID=76927891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110654455.5A Active CN113173217B (en) | 2021-06-11 | 2021-06-11 | Device and method for detecting axial deviation of tire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113173217B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5031501A (en) * | 1973-07-24 | 1975-03-28 | ||
| CN102150029B (en) * | 2008-09-08 | 2013-10-30 | 宝克E.博特机械公司 | Vehicle testing assembly |
| CN101886981B (en) * | 2010-06-30 | 2011-11-16 | 山东交通学院 | Adjustable-axle distance roller device |
| CN207964281U (en) * | 2017-12-01 | 2018-10-12 | 汕头市猛狮新能源车辆技术有限公司 | Multiple rows of roller assembly for vehicle testing |
| JP6574830B2 (en) * | 2017-12-21 | 2019-09-11 | 本田技研工業株式会社 | Spoke angle deviation measuring device |
| CN109238743B (en) * | 2018-09-21 | 2020-08-04 | 石家庄华燕交通科技有限公司 | Wheel steering follow-up control system |
| CN111595601B (en) * | 2020-06-03 | 2021-12-28 | 石家庄华燕交通科技有限公司 | Wheel steering follow-up control method, device and system for vehicle bench test |
-
2021
- 2021-06-11 CN CN202110654455.5A patent/CN113173217B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113173217A (en) | 2021-07-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110193837B (en) | Track inspection robot | |
| US5574233A (en) | Non-contact railway wheel test apparatus and method | |
| CN107084673B (en) | Device and method for measuring and detecting outer diameter and inner diameter of bullet train wheel | |
| CN108686982B (en) | Detection device and detection method for outer edge deformation of hub blank | |
| CN113970299A (en) | Device for vertically measuring outline of elongated piece with high precision | |
| CN113173217B (en) | Device and method for detecting axial deviation of tire | |
| CN112179682B (en) | Flat belt type tire six-component force experiment system and measurement method | |
| CN111156941B (en) | Vehicle brake block surface full run-out detection device | |
| CN106017396B (en) | A kind of vehicle dynamic front beam measuring device | |
| CN111595598A (en) | Contact dynamic surface measurement four-wheel aligner | |
| CN218937799U (en) | Steering wheel turns to test fixture | |
| CN214010729U (en) | Automobile corrector | |
| CN112344899B (en) | Method for detecting three-dimensional contour of tread of wheel set without centering | |
| CN109855891B (en) | Train axle detection centering device | |
| CN112362017A (en) | Centering measuring mechanism and automatic wheel measuring machine thereof | |
| CN220670471U (en) | Tank ovality measuring device | |
| CN216198901U (en) | Pump body angle detection mechanism | |
| CN211824301U (en) | Non-contact wheel positioning equipment of heavy truck | |
| CN212300294U (en) | Intelligent paint film detection mechanism | |
| CN216051799U (en) | All-wheel-drive commercial vehicle speedometer inspection bench system | |
| CN216385584U (en) | Elevator guide rail collimation degree detection device | |
| CN114088024B (en) | Rim flatness detection method | |
| CN217235048U (en) | Building engineering wall measuring device capable of performing multipurpose measurement | |
| CN117268797B (en) | Vehicle rapid centering device in automobile collision test and application method | |
| CN219319660U (en) | Horizontal force measuring wheel pair wheel rail force calibration test bed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |