KR101356233B1 - Tire contact pressure profile measuring device and measuring method - Google Patents

Tire contact pressure profile measuring device and measuring method Download PDF

Info

Publication number
KR101356233B1
KR101356233B1 KR1020120092487A KR20120092487A KR101356233B1 KR 101356233 B1 KR101356233 B1 KR 101356233B1 KR 1020120092487 A KR1020120092487 A KR 1020120092487A KR 20120092487 A KR20120092487 A KR 20120092487A KR 101356233 B1 KR101356233 B1 KR 101356233B1
Authority
KR
South Korea
Prior art keywords
tire
measuring
water
ground pressure
pressure
Prior art date
Application number
KR1020120092487A
Other languages
Korean (ko)
Inventor
이영도
Original Assignee
한국타이어 주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 한국타이어 주식회사 filed Critical 한국타이어 주식회사
Priority to KR1020120092487A priority Critical patent/KR101356233B1/en
Application granted granted Critical
Publication of KR101356233B1 publication Critical patent/KR101356233B1/en

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L17/00—Devices or apparatus for measuring tyre pressure or the pressure in other inflated bodies
    • G01L17/005—Devices or apparatus for measuring tyre pressure or the pressure in other inflated bodies using a sensor contacting the exterior surface, e.g. for measuring deformation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Wheeled or endless-tracked vehicles
    • G01M17/02—Tyres
    • G01M17/021—Tyre supporting devices, e.g. chucks

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

The present invention relates to: The present invention relates to a tire pressure distribution measuring apparatus and a measuring method for measuring tire pressure and ground width of a tire by measuring water level and water pressure change of a plurality of independent ground pressure measurement 쎌, and to accurately measure tire pressure distribution. The tire ground pressure distribution measuring method has the effect of acquiring more reliable data by measuring the tire ground pressure and the ground width by simultaneously measuring the water level and the water pressure change of the water embedded in the independent ground pressure measurement.

Description

Tire pressure distribution measuring device and measuring method {TIRE CONTACT PRESSURE PROFILE MEASURING DEVICE AND MEASURING METHOD}

The present invention relates to a tire ground pressure distribution measuring apparatus and a measuring method, and more particularly, by measuring the ground pressure and the ground width of a tire by measuring the water level and the water pressure change of a plurality of independent ground pressure measuring beams, to accurately measure the ground pressure distribution of the tire. The present invention relates to a tire pressure distribution measuring apparatus and a measuring method.

In general, the tire ground pressure corresponds to a factor that greatly affects the basic performance of the tire. That is, various tire performances such as hydrodroping, braking performance, abrasion performance, and handling properties vary depending on the distribution of the ground pressure. Therefore, it is very important to measure the distribution of the ground pressure in the process of checking the tire quality.

Common tire ground pressure measurement techniques are largely divided into static test and dynamic test. The static test method is a method of measuring the distribution of the ground pressure by applying a vertical load to the tire. A plurality of sensors are used to measure the pressure on the tire ground plane or the ground shape through a foot print. In addition, the dynamic test method is a method of measuring the ground pressure by applying a vertical load while contacting the tire to the rotating drum, by using a pressure sensor to measure the pressure loss rate according to the time difference experimentally.

1 is a view showing such a conventional ground pressure distribution measuring device. Referring to FIG. 1, the conventional ground pressure distribution measuring device measures a ground pressure distribution by measuring a pressure sensed by each pressure sensor when a tire passes over a ground plate 4 having a plurality of pressure sensors.

However, in the conventional ground pressure distribution measuring apparatus, a plurality of sensors are attached to one ground plate, and thus there is a limit in measuring an accurate ground pressure distribution due to interference between the sensors. In addition, there is a problem in the accuracy of the measured data by using only one vertical load as the measurement variable.

       The present invention is to solve the problems of the prior art as described above, one object of the present invention is to measure the ground pressure and ground width of the tire by measuring the water level and the water pressure change of a plurality of independent ground pressure measurement 쎌 accurate tire ground pressure It is to provide a tire pressure distribution measuring device that can measure the distribution.

It is another object of the present invention to provide a tire pressure distribution measuring method capable of accurately measuring the tire pressure distribution by measuring the tire ground pressure and the ground width by using the tire ground pressure distribution measuring apparatus according to the present invention as described above. It is.

     One aspect of the present invention for achieving the above object is a tire ground pressure distribution measuring apparatus comprising a plurality of independent ground pressure measurement 있는 which is built in the water to measure the water level and the change of water pressure therein will be.

      In the tire ground pressure distribution measuring apparatus according to an embodiment of the present invention, the stand-alone ground pressure measuring measuring body has a predetermined amount of water embedded in the lower portion, the upper end of the main body is installed on the upper end and movable in the vertical direction, and A connection tube connecting the end cap and the water embedded in the lower part of the main body, a pin installed in the center of the end cap and inserted into the connection tube and moving in the vertical direction, and measuring the water level and the water pressure of the water embedded in the main body It characterized in that it comprises a water level sensor and a water pressure sensor.

In the tire ground pressure distribution measuring apparatus according to an embodiment of the present invention, the independent ground pressure measuring pin is characterized in that the cylindrical shape.

In the tire ground pressure distribution measuring apparatus according to an embodiment of the present invention, the end cap is provided with an elastic means to move downward when the tire passes and to return to the original position after the tire passes. .

In the tire ground pressure distribution measuring apparatus according to an embodiment of the present invention, the pin is inserted into the connecting tube to move downwards when the tire passes by pushing the water in the connecting tube out of the connecting tube, after the tire has passed It is characterized by returning to the original position again.

One aspect of the present invention for achieving the above object relates to a tire ground pressure distribution measuring method for measuring the ground pressure and the ground width of the tire using the tire ground pressure distribution measuring apparatus according to the present invention as described above.

The tire ground pressure distribution measuring method according to an embodiment of the present invention is characterized by measuring the ground pressure and the ground width of the tire by measuring the water level and the water pressure change of the water contained in the plurality of independent ground pressure measurement 쎌.

        The tire ground pressure distribution measuring apparatus according to the present invention measures the ground pressure and the ground width of a tire by measuring the water level and the water pressure change of a plurality of independent ground pressure measuring beams, thereby measuring a more accurate tire ground pressure distribution without interference around the tire ground portion. It can be effective.

In particular, the tire ground pressure distribution measuring method according to the present invention, by measuring the ground pressure and the ground width of the tire by measuring the water level and the water pressure change of the water built in the independent ground pressure measurement 동시에 has the effect of obtaining more reliable data. .

1 is a view showing a conventional tire ground pressure distribution measuring device.
2 is a perspective view schematically showing a tire ground pressure distribution measuring apparatus according to an embodiment of the present invention.
3 is a cross-sectional view of the tire ground pressure distribution measuring apparatus according to FIG. 2.
4 is a view showing a measuring principle of the tire ground pressure distribution measuring apparatus according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, a detailed description of known general functions or configurations will be omitted.

The present invention relates to a tire ground pressure distribution measuring apparatus and a measuring method for measuring the tire ground pressure and the ground width of the tire by measuring the water level and the hydraulic pressure change of the plurality of independent ground pressure measuring beams.

2 is a perspective view schematically showing a tire ground pressure distribution measuring apparatus according to an embodiment of the present invention, Figure 3 is a cross-sectional view of the tire ground pressure distribution measuring apparatus according to Figure 2, Figure 4 is a tire ground pressure distribution according to the present invention It is a figure which shows the measuring principle of a measuring apparatus.

2 to 4, the tire ground pressure distribution measuring apparatus 100 according to the present invention includes a plurality of independent ground pressure measuring pins 10. The stand-alone ground pressure measuring probe (10) is a device designed to measure the change in the water level and water pressure of the water is embedded therein.

      In the tire ground pressure distribution measuring apparatus 100 according to an embodiment of the present invention, the independent ground pressure measuring pin 10 is a main body 13 having a predetermined amount of water embedded therein, and an upper portion of the main body 13. An end cap 12 installed and movable in a vertical direction of the main body 13, a connection tube 14 connecting the end cap 12 and water embedded in the lower part of the main body 13, and the end cap 12. A pin 11 interposed in the connection tube 14 and moving upward and downward, and a water level sensor 15 and a water pressure sensor for measuring the water level and the water pressure in the main body 13. 16).

The end cap 12 is a portion in direct contact with the tire, and is provided with an elastic means (not shown) to move downward when the tire passes and to return to the original position by the restoring force of the elastic means after the tire passes. It is supposed to be. As said elastic means, a well-known elastic means, such as a spring or a pin spring, can be selected suitably, and can be used.

A pin 11 is installed at the center of the end cap 12, and the pin 11 is inserted into the connecting tube 14 so that the tire moves downward to connect water in the connecting tube 14. The tube 14 is pushed out, and after the tire has passed, it is returned to its original position.

Therefore, when the tire passes over the end cap 12 to which the pin 11 is attached, the water in the connecting tube 14 falls out due to the movement of the pin 11, and the water level of the water contained in the main body 13 rises and the pressure is increased. This will change. In this case, the water level sensor 15 and the water pressure sensor 16 detect this and transmit the same to the central controller through the transmitter. The central controller calculates ground pressure and ground width based on a predetermined algorithm based on the transmitted water level change and pressure change data. On the other hand, each user can check the ground pressure and ground width of the tire through their terminals.

In the illustrated embodiment, each of the independent ground pressure measuring pin 10 is configured in a cylindrical shape, but is not limited thereto, and may be appropriately modified according to a purpose such as a square pillar shape. In addition, the water level sensor 15 and the water pressure sensor 16 are also not particularly limited, and known water level sensors and water pressure sensors may be appropriately selected and used according to the purpose.

Still another aspect of the present invention relates to a tire ground pressure distribution measuring method for measuring a ground pressure and a ground width of a tire using the tire ground pressure distribution measuring apparatus according to the present invention as described above.

The tire ground pressure distribution measuring method is characterized by measuring the ground pressure and the ground width of the tire by measuring the water level and the water pressure change of the water contained in the plurality of independent ground pressure measurement 쎌. In particular, the tire ground pressure distribution measuring method according to the present invention, by measuring the ground pressure and the ground width of the tire by measuring the water level and the water pressure change of the water built in the independent ground pressure measurement 동시에 has the effect of obtaining more reliable data.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. This will be obvious.

10: Standalone earth pressure measurement
11: pin
12: end cap
13:
14: connecting tube
15: water level sensor
16: water pressure sensor

Claims (7)

It includes a plurality of independent grounding pressure measuring probes for measuring the water level and the change in water pressure by having water embedded therein.
The independent ground pressure measuring fan is a main body having a predetermined amount of water embedded in the lower portion, an end cap installed on the upper portion of the main body and movable up and down in the main body, and a connection tube connecting the end cap and the water embedded in the lower portion of the main body. And a pin installed in the center of the end cap and inserted into the connection tube to move in the vertical direction, and a level sensor and a pressure sensor for measuring the water level and the water pressure of the water built into the main body.
delete The tire ground pressure distribution measuring apparatus according to claim 1, wherein the independent ground pressure measuring gauge has a cylindrical shape.
The tire ground pressure distribution measuring apparatus according to claim 1, wherein the end cap is provided with elastic means to move downward when the tire passes and to return to its original position after the tire passes.
The method of claim 1, wherein the pin is inserted into the connecting tube to move downwards when the tire passes, to push the water in the connecting tube out of the connecting tube, and to return to its original position after the tire passes. Tire ground pressure distribution measuring device.
A tire ground pressure distribution measuring method for measuring a ground pressure and a ground width of a tire by using the tire ground pressure distribution measuring apparatus of any one of claims 1 and 3 to 5.

delete
KR1020120092487A 2012-08-23 2012-08-23 Tire contact pressure profile measuring device and measuring method KR101356233B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020120092487A KR101356233B1 (en) 2012-08-23 2012-08-23 Tire contact pressure profile measuring device and measuring method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120092487A KR101356233B1 (en) 2012-08-23 2012-08-23 Tire contact pressure profile measuring device and measuring method

Publications (1)

Publication Number Publication Date
KR101356233B1 true KR101356233B1 (en) 2014-01-29

Family

ID=50146579

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020120092487A KR101356233B1 (en) 2012-08-23 2012-08-23 Tire contact pressure profile measuring device and measuring method

Country Status (1)

Country Link
KR (1) KR101356233B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116358760A (en) * 2023-06-01 2023-06-30 深圳亿维锐创科技股份有限公司 Method, device, equipment and storage medium for measuring load distribution of vehicle tyre

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100196133B1 (en) * 1995-12-22 1999-06-15 양재신 A close examining device for parts of a car
KR20120008932A (en) * 2010-07-21 2012-02-01 한국타이어 주식회사 Breaking test apparatus of tire tread and sidewall using hydraulic

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100196133B1 (en) * 1995-12-22 1999-06-15 양재신 A close examining device for parts of a car
KR20120008932A (en) * 2010-07-21 2012-02-01 한국타이어 주식회사 Breaking test apparatus of tire tread and sidewall using hydraulic

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116358760A (en) * 2023-06-01 2023-06-30 深圳亿维锐创科技股份有限公司 Method, device, equipment and storage medium for measuring load distribution of vehicle tyre

Similar Documents

Publication Publication Date Title
CN101319864A (en) Plug gauge head pore diameter measurement mechanism
CN203894015U (en) Detection apparatus for spring coefficient
RU2017100254A (en) TOUCH DEVICE, MEASUREMENT DEVICE AND METHOD OF MEASUREMENTS
CN104034229A (en) Rapid and precise testing fixture of floating piston of steering power-assisted pump
CN105509611A (en) Measurement tool for detecting dimension of welding casing inner cavity and measurement method thereof
KR101356233B1 (en) Tire contact pressure profile measuring device and measuring method
CN103673971A (en) Backlight source flatness detecting jig and backlight source flatness detecting method
CN109000839B (en) Mattress pressure test system based on 3D prints and low coherent interference technique
CN103344167A (en) Crankshaft semicircular key groove depth detection tool
CN204595210U (en) A kind of geological radar self-adaptation measuring wheel device
KR101227097B1 (en) Tire plunger and bead unseat test machine
CN206573086U (en) Contact displacement measuring device
CN202709977U (en) Surface profile tolerance detection mechanism
CN103557786B (en) A kind of endoporus detection head
JP6743535B2 (en) Tire stiffness test method
CN202329479U (en) Width measuring mechanism
CN104316331B (en) A kind of dynamic auto measurement apparatus of trafficability
CN210773861U (en) Floor flatness detection device
CN105783693B (en) Method and device for measuring the thickness of an object
KR101539386B1 (en) load cell and active contact pressure measuring device of tire by thereby
CN106017263A (en) Circular cylinder deformation degree detection tool capable of achieving automatic pressing
KR101873111B1 (en) Contactless guide apparatus of indenter for indentation tester
CN202485641U (en) Pipe radian measuring device
CN201215468Y (en) Aperture diameter measuring mechanism for plug gauge head
CN202947624U (en) Bottom outer diameter gauge

Legal Events

Date Code Title Description
A201 Request for examination
N231 Notification of change of applicant
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20170102

Year of fee payment: 6

FPAY Annual fee payment

Payment date: 20191204

Year of fee payment: 9