阅读说明：本技术 一种轮胎磨损测量装置 (Tire wear measuring device ) 是由 陈晓凯 于 2021-09-16 设计创作，主要内容包括：本发明公开了一种轮胎磨损测量装置,具体包括：底座,且安装在所述梯形座板正面的定位竖板,且安装在所述轨道槽内表面的工型安装板,以及安装在所述工型安装板正面的测量装置,且安装在所述工型安装板正面底部的调节装置,所述测量装置包括：压力检测仪,以及安装在所述圆环柱体内腔的定位插柱,以及安装在所述垫片板远离所述圆环柱体的一侧的压力传递弹簧,且安装在所述压力传递弹簧远离所述垫片板的一侧的测量板,本发明涉及轮胎技术领域。通过梯形的底座设计,利用底座自身的重量进行设备稳定性的提升,同时底座与测量装置的相对设置,对设备自身的重心进行平衡,避免测量时因轮胎转动产生的摩擦力将设备倾斜,确保加工的安全性。(The invention discloses a tire wear measuring device, which specifically comprises: a base, a positioning riser installed on the front surface of the trapezoidal seat plate, a drum type mounting plate installed on the inner surface of the rail groove, and a measuring device installed on the front surface of the drum type mounting plate, and an adjusting device installed at the bottom of the front surface of the drum type mounting plate, the measuring device comprising: the invention relates to the technical field of tires, in particular to a pressure detector, a positioning insertion column arranged in an inner cavity of a circular cylinder, a pressure transmission spring arranged on one side of a gasket plate far away from the circular cylinder, and a measuring plate arranged on one side of the pressure transmission spring far away from the gasket plate. Through trapezoidal base design, utilize the weight of base self to carry out the promotion of equipment stability, the relative setting of base and measuring device simultaneously balances the focus of equipment self, because of the frictional force that the tire rotation produced when avoiding measuring inclines equipment, ensures the security of processing.)

1. A tire wear measurement device, comprising:

base (1), this base (1) have trapezoidal bedplate, and install lift return pulley (2) bottom trapezoidal bedplate, and install positive location riser (3) of trapezoidal bedplate, and set up in the track groove (4) on location riser (3) surface, and install in i-shaped mounting panel (5) of track groove (4) internal surface, and install in the positive measuring device (6) of i-shaped mounting panel (5), and install in adjusting device (7) of i-shaped mounting panel (5) positive bottom, its characterized in that: the measuring device (6) comprises:

the pressure detector (61), this pressure detector (61) have the ring cylinder, and install location of ring cylinder inner chamber is inserted post (62), and is installed the ring cylinder is close to the gasket board (63) of location one side of inserting post (62), and installs gasket board (63) are kept away from the pressure transmission spring (64) of one side of ring cylinder, and install pressure transmission spring (64) are kept away from the measurement board (65) of one side of gasket board (63).

2. A tire wear measuring device in accordance with claim 1, wherein: the side of the pressure detector (61) close to the positioning vertical plate (3) is connected with the I-shaped mounting plate (5), the side of the positioning plug-in column (62) close to the positioning vertical plate (3) is connected with the I-shaped mounting plate (5), and the inner surfaces of the gasket plate (63), the pressure transmission spring (64) and the measuring plate (65) are connected with the positioning plug-in column (62).

3. A tire wear measuring device in accordance with claim 1, wherein: the positioning post (62) comprises:

a mounting post (621), the mounting post (621) having a rod-shaped body, and a coupling cylinder rod (622) mounted on an end of the rod-shaped body away from the drum-shaped mounting plate (5), and an air hole (623) opened on a side of an outer surface of the coupling cylinder rod (622) close to the rod-shaped body, and an air pump (624) mounted on a middle position of an inner surface of the coupling cylinder rod (622), and a hollow rod (625) mounted on a side of the inner surface of the coupling cylinder rod (622) away from the rod-shaped body, and a spherical net (626) mounted on an end of the hollow rod (625) close to the air pump (624), and a spherical head member (627) mounted on an end of the hollow rod (625) away from the air pump (624).

4. A tire wear measuring device in accordance with claim 3, wherein: the side of the mounting column (621) near the positioning riser (3) is connected to the drum mounting plate (5), the air pump (624) is located on the side of the air hole (623) far away from the mounting column (621), and the spherical mesh (626) is located on the side of the air pump (624) far away from the air hole (623).

5. A tire wear measuring device in accordance with claim 1, wherein: the adjustment device (7) comprises:

support and transfer board (71), should support and transfer board (71) and have the arc plate body, and install haulage rope (72) of arc plate body inner chamber intermediate position, and install haulage rope (72) are kept away from wrapping post (73) of arc plate body one end, and install the screens device (74) at wrapping post (73) both ends, and install screens device (74) are kept away from wrapping plate (75) of wrapping post (73) one side.

6. A tire wear measurement device as in claim 5, wherein: the detent device (74) comprises:

installation board case (741), this installation board case (741) have the cylinder box, and install the cylinder box is kept away from according to post (742) of wrapping post (73) one side intermediate position, and set up and keep away from in the cylinder box wrapping post (73) one side and be located go in and out logical groove (743) according to the post (742) outside, and install press post (742) to be close to laminating board (744) of wrapping post (73) one side, and install laminating board (744) are close to spacing card post (745) according to post (742) one side, and install laminating board (744) are kept away from press fixed spring (746) of post (742) one side.

7. A method of using a tire wear measurement device, comprising: comprises the following steps of (a) carrying out,

the method comprises the following steps: the lifting bottom wheel (2) extends out of the base (1), the whole position of the equipment is adjusted through the rolling of the lifting bottom wheel (2) until the ball head piece (627) on the positioning insertion column (62) is contacted with the tire;

step two: the winding plate (75) is rotated, so that the winding plate (75) winds the traction rope (72) and winds the traction rope (72) on the surface of the winding post (73), the support adjusting plate (71) is driven to deform and bend by winding the traction rope (72), the I-shaped mounting plate (5) is driven to descend, the measuring device (6) integrally descends, and the winding plate (75) is clamped through the limiting clamping post (745);

when the pressing column (742) is pressed, the pressing column (742) drives the attaching plate (744) and the limiting clamping column (745) to compress the fixing spring (746), so that the limiting clamping column (745) enters the installation plate box (741) through the in-out through groove (743), the winding plate (75) can rotate reversely, the traction rope (72) is extended, and the I-shaped installation plate (5) and the measuring device (6) are lifted and adjusted by using the self deformation elasticity of the supporting adjusting plate (71);

through the operation, the positioning insertion column (62) is perpendicular to the tire tangent plane;

step three: an air pump (624) in the positioning plug column (62) is started, negative pressure is used for adsorbing the ball head piece (627), the ball head piece (627) is prevented from falling off, and meanwhile, small dust is filtered through a spherical net (626), so that equipment is prevented from being blocked;

step four: rotating the position of the tire surface of the tire to be continuously replaced, extruding the measuring plate (65) through the tire surface, and transmitting the pressure to the pressure detector (61) through the pressure transmission spring (64) for data collection;

step five: repeating the above operations, and detecting and collecting data of the intact tyre;

step six: and comparing data and judging the measurement result.

Technical Field

The invention relates to the technical field of tires, in particular to a tire wear measuring device.

Background

Automobile tires are high-speed rotating wear parts and belong to key parts in automobiles. In the running process of an automobile, particularly in a complex road condition, the tire may have abnormal wear, eccentric wear and other phenomena, the service life of the tire is shortened, further driving jitter is caused, and more seriously, tire burst occurs, so that traffic accidents are caused, and therefore the tire detection test is particularly important. At present, the method for detecting the abnormal abrasion of the tire depends on visual observation, and the depth of the tire groove is measured by using a ruler for analysis.

The existing tire wear measuring device has the defects that the self weight of equipment components is difficult to balance in the using process, the gravity center of the equipment is unbalanced due to the friction force generated by the rotation of tires during measurement, the equipment is easy to incline or topple, and the safety and the processing quality of the equipment are influenced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a tire wear measuring device, which solves the problems that the self weight of equipment components is difficult to balance in the use process of the conventional tire wear measuring device, the gravity center of the equipment is unbalanced due to the friction force generated by the rotation of a tire during measurement, the equipment is easy to incline or topple, and the safety and the processing quality of the equipment are influenced.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a tire wear measurement device, comprising:

the base, this base have trapezoidal bedplate, and install the lift return pulley of trapezoidal bedplate bottom, and install the positive location riser of trapezoidal bedplate, and set up the track groove on location riser surface, and install the i-shaped mounting panel of track inslot surface, and install the positive measuring device of i-shaped mounting panel, and install the adjusting device of the positive bottom of i-shaped mounting panel, through trapezoidal base design, utilize the weight of base self to carry out the promotion of equipment stability, the relative setting of base and measuring device simultaneously balances the focus of equipment self, because of the frictional force that the tire rotation produced during avoiding measuring inclines equipment, ensures the security of processing. The measuring device includes:

pressure measurement appearance, this pressure measurement appearance have the ring cylinder, and install the post is inserted in the location of ring cylinder inner chamber, and installs the ring cylinder is close to the spacer plate that the post was inserted in the location one side, and installs the spacer plate is kept away from the pressure transmission spring of one side of ring cylinder, and installs the pressure transmission spring is kept away from the measuring plate of one side of spacer plate. The contact area of pressure and pressure measurement appearance is enlarged through setting up of gasket board, avoids pressure to produce to concentrate and produces destruction or measuring result to pressure measurement appearance and produce the difference, and the setting of measuring the board simultaneously carries out the tangent plane contact with the tire surface, carries out the measurement work of verticality, reduces the contact area with the tire, can be more accurate and comprehensive measure the tire.

Preferably, a side of the pressure detector adjacent to the positioning riser is connected to the drum-shaped mounting plate, a side of the positioning insert column adjacent to the positioning riser is connected to the drum-shaped mounting plate, and the shim plate, the pressure transmission spring, and the inner surface of the measuring plate are connected to the positioning insert column. An annular flow guide path is formed by the pressure transmission spring, the air flow output by the air pump is guided, the flow of spiral circulation is formed, the heat generated when the pressure transmission spring deforms is dissipated, and the use safety of the component is protected.

Preferably, the positioning post comprises:

the mounting column is provided with a rod-shaped main body, a connecting cylinder rod arranged at one end, far away from the I-shaped mounting plate, of the rod-shaped main body, an air hole arranged at one side, close to the rod-shaped main body, of the outer surface of the connecting cylinder rod, an air pump arranged at the middle position of the inner surface of the connecting cylinder rod, a hollow rod arranged at one side, far away from the rod-shaped main body, of the inner surface of the connecting cylinder rod, and a ball-shaped net arranged at one end, close to the air pump, of the hollow rod, and a ball head piece arranged at one end, far away from the air pump, of the hollow rod. Through the setting of air pump, cavity pole and bulb spare, because of the bulb spare has reduced the frictional force of cavity pole and tire surface for equipment operation is more smooth and easy and can not produce the phenomenon of bending deformation when measuring, utilizes the negative pressure to adsorb the bulb spare, leads to the bulb spare to drop because of the influence of frictional force when avoiding the tire to rotate, protects tire surface and equipment.

Preferably, one side of the mounting column close to the positioning vertical plate is connected with the I-shaped mounting plate, the air pump is located on one side of the air hole far away from the mounting column, and the spherical net is located on one side of the air pump far away from the air hole. Through the setting of the spherical net, the flowing direction of the air flow in the connecting cylinder rod is increased, impurities in the air flow are filtered, the equipment is prevented from being blocked by the impurities, the continuity of work is ensured, and meanwhile, the funnel-shaped inlet is formed in the spherical net, so that the counter-flow phenomenon after the impurities are filtered is avoided.

Preferably, the adjusting means comprises:

the support is transferred the board, should support and transfer the board and have the arc plate body, and install the haulage rope of arc plate body inner chamber intermediate position, and install the haulage rope is kept away from the wrapping post of arc plate body one end, and install the screens device at wrapping post both ends, and install the screens device is kept away from the wrapping plate of wrapping post one side. Through supporting the arc plate body design of transferring the board, the splash that produces when the tire rotates is protected, disperses the impact force of splash, avoids the inside component of equipment to produce and damages, supports simultaneously and transfers the board to carry out the shock attenuation to the vibrations power that equipment produced when measuring, reduces the influence of vibrations to the equipment component.

Preferably, the blocking device comprises:

the mounting plate case, this mounting plate case have the cylinder box, and install the cylinder box is kept away from the post of pressing of wrapping post one side intermediate position, and set up the cylinder box is kept away from wrapping post one side just is located go in and out logical groove according to the post outside, and install press the post to be close to the attaching plate of wrapping post one side, and install attaching plate is close to press the spacing card post of post one side, and install attaching plate keeps away from press the fixed spring of post one side. Through the setting of spacing kelly, can carry out the injecing of position to the line winding board, avoid leading to the position to change because of supporting the elastic deformation who transfers board self, ensure the accuracy nature of equipment component position each other, protect the measuring accuracy.

A method of using a tire wear measurement device, comprising the steps of,

the method comprises the following steps: extending the lifting bottom wheel out of the base, and adjusting the overall position of the equipment by rolling the lifting bottom wheel until the ball head piece on the positioning insertion column is contacted with the tire;

step two: the winding plate is rotated to enable the winding plate to wind the traction rope, the traction rope is wound on the surface of the winding post, the support adjusting plate is driven to deform and bend through the winding of the traction rope, the I-shaped mounting plate is driven to descend, the measuring device is integrally descended, and the winding plate is clamped through the limiting clamping post;

when the pressing column is pressed, the pressing column drives the attaching plate and the limiting clamping column to compress the fixing spring, so that the limiting clamping column enters the mounting plate box through the in-out through groove, the winding plate can rotate reversely, the traction rope extends, and the I-shaped mounting plate and the measuring device are lifted and adjusted by using the deformation elasticity of the supporting adjusting plate;

through the operation, the positioning insertion column is perpendicular to the tire tangent plane;

step three: starting an air pump in the positioning plug column, adsorbing the ball head piece by using negative pressure, avoiding the ball head piece from falling off, and filtering small dust through a spherical net to prevent equipment from being blocked;

step four: rotating the tire to continuously replace the position of the tire surface, extruding the measuring plate through the tire surface, and transmitting the pressure to a pressure detector through a pressure transmission spring for data collection;

step five: repeating the above operations, and detecting and collecting data of the intact tyre;

step six: and comparing data and judging the measurement result.

(III) advantageous effects

The invention provides a tire wear measuring device. The method has the following beneficial effects:

the tire wear measuring device is designed through a trapezoidal base, the stability of the device is improved by utilizing the weight of the base, meanwhile, the center of gravity of the device is balanced by the relative arrangement of the base and the measuring device, the device is prevented from being inclined due to the friction force generated by the rotation of the tire during measurement, and the processing safety is ensured.

(II), this tire wear measuring device, the area of contact to pressure and pressure measurement appearance is enlarged through the setting of gasket board, avoids pressure to produce and concentrates on producing destruction or measuring result to pressure measurement appearance and produces the difference, and the setting of measuring the board simultaneously carries out the tangent plane contact with the tire surface, carries out the measurement of verticality, reduces the area of contact with the tire, can be more accurate and comprehensive measure the tire.

And (III) the tire wear measuring device forms an annular flow guide path through the arrangement of the pressure transmission spring, guides the air flow output by the air pump, forms the flow of a spiral circulation, dissipates heat generated when the pressure transmission spring deforms, and protects the use safety of the component.

(IV) this tire wear measuring device, through the setting of air pump, cavity pole and bulb spare, because of the bulb spare has reduced the frictional force on cavity pole and tire surface for equipment operation is more smooth and easy and can not produce the phenomenon of crooked deformation when measuring, utilizes the negative pressure to adsorb the bulb spare, leads to the bulb spare to drop because of the influence of frictional force when avoiding the tire to rotate, protects tire surface and equipment.

The tire wear measuring device increases the flowing direction of the air flow in the connecting cylinder rod through the arrangement of the spherical net, simultaneously filters impurities in the air flow, avoids the impurities from blocking the device, ensures the continuity of work, and simultaneously prevents the funnel-shaped inlet from generating a reverse flow phenomenon after the impurities are filtered.

(VI) this tire wear measuring device, through supporting the arc plate body design of transferring the board, the splash that produces when the tire rotates is protected, disperses the impact force of splash, avoids the inside component of equipment to produce and damages, supports simultaneously and transfers the board to carry out the shock attenuation to the vibrations power that equipment produced when measuring, reduces the influence of vibrations to the equipment component.

(seventhly), this tire wear measuring device through the setting of spacing kelly, can carry out the injecing of position to the line winding board, avoids leading to the position to change because of supporting the elastic deformation who transfers board self, ensures the accuracy nature of the mutual position of equipment component, protects measuring accuracy.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic structural diagram of a measuring device according to the present invention;

FIG. 3 is a schematic structural view of a positioning post according to the present invention;

FIG. 4 is a schematic view of the structure of the adjusting device of the present invention;

FIG. 5 is a schematic view of the locking device of the present invention;

in the figure: the device comprises a base 1, a lifting bottom wheel 2, a positioning vertical plate 3, a 4-track groove, a 5-type mounting plate, a 6 measuring device, a 61 pressure detector, a 62 positioning inserting column 621, a mounting column 622, a connecting cylinder rod 623, an air hole 624, an air pump 625, a hollow rod 626, a spherical net 626, a spherical head 627, a gasket 63 plate 64, a pressure transmission spring 65, a measuring plate 7, an adjusting device 71, a supporting and adjusting plate 72, a traction rope 73, a winding column 73, a clamping device 74, a 741 mounting plate box 741, a column 742, an 743 access through groove, an 744 attaching plate, a 745 limit clamping column, a 746 fixing spring and a 75 winding plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-5, the present invention provides a technical solution: a tire wear measurement device, comprising:

the base 1, this base 1 has trapezoidal bedplate, and install the lift return pulley 2 in trapezoidal bedplate bottom, and install at the positive location riser 3 of trapezoidal bedplate, and set up at the track groove 4 on location riser 3 surface, and install at the I-shaped mounting panel 5 of track groove 4 internal surface, and install at the positive measuring device 6 of I-shaped mounting panel 5, and install at the adjusting device 7 of the positive bottom of I-shaped mounting panel 5, through trapezoidal base 1 design, utilize the weight of base 1 self to carry out the promotion of equipment stability, base 1 sets up with measuring device 6 relatively simultaneously, balance the focus of equipment self, avoid inclining equipment because of the frictional force that the tire rotation produced during the measurement, ensure the security of processing. The measuring device 6 includes:

the pressure detector 61 is provided with a circular cylinder, a positioning insertion column 62 arranged in the inner cavity of the circular cylinder, a gasket plate 63 arranged on one side of the circular cylinder close to the positioning insertion column 62, and a pressure transmission spring 64 arranged on one side of the gasket plate 63 far away from the circular cylinder, and a measuring plate 65 arranged on one side of the pressure transmission spring 64 far away from the gasket plate 63. The contact area of pressure and pressure measurement appearance 61 is enlarged through setting up of gasket board 63, avoids pressure to produce to concentrate and produces destruction or measuring result to pressure measurement appearance 61 and produces the difference, measures the setting of board 65 simultaneously and carries out the tangent plane contact with the tire surface, carries out the measurement work of verticality, reduces the area of contact with the tire, can measure the tire more accurately and comprehensively.

The side of the pressure detector 61 close to the positioning vertical plate 3 is connected with the I-shaped mounting plate 5, the side of the positioning insertion column 62 close to the positioning vertical plate 3 is connected with the I-shaped mounting plate 5, and the inner surfaces of the gasket plate 63, the pressure transmission spring 64 and the measuring plate 65 are connected with the positioning insertion column 62. An annular flow guide path is formed by the arrangement of the pressure transmission spring 64, the air flow output by the air pump 624 is guided, a spiral circulation flow is formed, heat generated when the pressure transmission spring 64 deforms is dissipated, and the use safety of the component is protected.

The positioning post 62 includes:

a mounting post 621 having a rod-shaped body, and an attachment cylinder rod 622 mounted on an end of the rod-shaped body remote from the drum-shaped mounting plate 5, and an air hole 623 opened on a side of the outer surface of the attachment cylinder rod 622 close to the rod-shaped body, and an air pump 624 mounted on a middle position of the inner surface of the attachment cylinder rod 622, and a hollow rod 625 mounted on a side of the inner surface of the attachment cylinder rod 622 remote from the rod-shaped body, and a ball-type net 626 mounted on an end of the hollow rod 625 close to the air pump 624, and a ball 627 mounted on an end of the hollow rod 625 remote from the air pump 624. Through the setting of air pump 624, cavity pole 625 and bulb 627, because of the bulb 627 has reduced the frictional force of cavity pole 625 with the tire surface for equipment operation is more smooth and easy and can not produce the phenomenon of crooked deformation when measuring, utilizes the negative pressure to adsorb bulb 627, leads to bulb 627 to drop because of the influence of frictional force when avoiding the tire to rotate, protects tire surface and equipment.

The side of the mounting post 621 adjacent to the positioning riser 3 is connected to the drum mounting plate 5, and the air pump 624 is located on the side of the air hole 623 remote from the mounting post 621, and the spherical net 626 is located on the side of the air pump 624 remote from the air hole 623. Through the setting of spherical net 626, increase the flowing position of air current in the inside of coupling cylinder pole 622, filter the impurity of the inside air current simultaneously, avoid impurity to block equipment, ensure the continuation of work, spherical net 626 is provided with funnel type entry simultaneously, avoids impurity to filter the back flow phenomenon that produces.

The adjusting device 7 comprises:

the supporting and adjusting plate 71 is provided with an arc-shaped plate body, a traction rope 72 is installed in the middle position of the inner cavity of the arc-shaped plate body, a winding post 73 is installed at one end, far away from the arc-shaped plate body, of the traction rope 72, clamping devices 74 are installed at two ends of the winding post 73, and a winding plate 75 is installed at one side, far away from the winding post 73, of the clamping devices 74. Through supporting the arc plate body design of transferring board 71, the splash that produces when the tire rotates is protected, disperses the impact force of splash, avoids the inside component of equipment to produce and damages, supports simultaneously and transfers board 71 to carry out the shock attenuation to the vibrations power that equipment produced when measuring, reduces the influence of vibrations to equipment component.

The detent device 74 includes:

the installation board box 741, the installation board box 741 has a cylindrical box, a pressing column 742 installed at a middle position of a side of the cylindrical box far away from the winding column 73, an in-out through slot 743 opened at a side of the cylindrical box far away from the winding column 73 and located outside the pressing column 742, an attaching board 744 installed at a side of the pressing column 742 close to the winding column 73, a limit clip 745 installed at a side of the attaching board 744 close to the pressing column 742, and a fixing spring 746 installed at a side of the attaching board 744 far away from the pressing column 742. Through the setting of spacing card post 745, can carry out the injecing of position to line winding board 75, avoid leading to the position to change because of supporting the elastic deformation of accent board 71 self, ensure the accuracy nature of the mutual position of equipment component, protect the accuracy of measuring.

Example two:

referring to fig. 1-5, on the basis of the first embodiment, the present invention provides a technical solution: a method of using a tire wear measurement device, comprising the steps of,

the method comprises the following steps: the lifting bottom wheel 2 extends out of the base 1, and the whole position of the equipment is adjusted by rolling the lifting bottom wheel 2 until the ball head piece 627 on the positioning plug column 62 is contacted with the tire;

step two: the winding plate 75 is rotated, so that the winding plate 75 winds the traction rope 72 and winds the traction rope 72 on the surface of the winding post 73, the support adjusting plate 71 is driven to deform and bend by winding the traction rope 72, the I-shaped mounting plate 5 is driven to descend, the measuring device 6 integrally descends, and the winding plate 75 is clamped through the limiting clamping post 745;

when the pressing column 742 is pressed, the pressing column 742 drives the attaching plate 744 and the limiting clamping column 745 to compress the fixing spring 746, so that the limiting clamping column 745 enters the installation plate box 741 through the in-out through groove 743, the winding plate 75 can rotate reversely, the traction rope 72 is extended, and the I-shaped installation plate 5 and the measuring device 6 are lifted and adjusted by using the deformation elasticity of the supporting adjusting plate 71;

through the above operation, the positioning insertion column 62 is perpendicular to the tire tangent plane;

step three: an air pump 624 in the positioning plug column 62 is started, the spherical head piece 627 is adsorbed by negative pressure, the spherical head piece 627 is prevented from falling off, and meanwhile, small dust is filtered through a spherical net 626, so that equipment is prevented from being blocked;

step four: rotating the position of the tire to continuously replace the tire surface, extruding the measuring plate 65 through the tire surface, and transmitting the pressure to the pressure detector 61 through the pressure transmission spring 64 for data collection;

step five: repeating the above operations, and detecting and collecting data of the intact tyre;

step six: and comparing data and judging the measurement result.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.