WO2013111645A1 - タイヤ空気充填方法 - Google Patents
タイヤ空気充填方法 Download PDFInfo
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- WO2013111645A1 WO2013111645A1 PCT/JP2013/050635 JP2013050635W WO2013111645A1 WO 2013111645 A1 WO2013111645 A1 WO 2013111645A1 JP 2013050635 W JP2013050635 W JP 2013050635W WO 2013111645 A1 WO2013111645 A1 WO 2013111645A1
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- Prior art keywords
- air
- tire
- pressure
- detecting
- tube
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C25/00—Apparatus or tools adapted for mounting, removing or inspecting tyres
- B60C25/14—Apparatus or tools for spreading or locating tyre beads
- B60C25/145—Apparatus or tools for spreading or locating tyre beads for locating provisionally the beads of tubeless tyres against the sealing surfaces of the rims, e.g. air filling bell
Definitions
- the present invention relates to a tire air filling technique for filling a tire with air of a specified pressure.
- FIG. 12 shows the principle of the automatic filling device disclosed in Patent Document 1.
- a wheel 102 is mounted on a wheel support base 101, and a tubeless tire 103 is attached to the wheel 102.
- a gap 105 is generated between the tubeless tire 103 and the wheel 102.
- air is supplied into the tire holder 104 by the air injection means 106.
- the air reaches the tubeless tire 103 through the gap 105.
- the internal pressure of the tire retainer 104 is detected by the internal pressure sensor 107, and when the detected pressure reaches a specified pressure, the tire retainer 104 is relatively raised. As a result, the tubeless tire 103 is fitted in the wheel 102 in a normal state and the air filling is completed.
- Patent Document 1 the tire filling device started to be disclosed in Patent Document 1 cannot be applied to a tube-filled tire. Therefore, it is necessary to separately install an air filling device for a tire containing a tube, which increases equipment costs.
- a tire air filling technique that can be applied to a mixed production line that handles a tubeless tire and a tubed tire and that can fill the tubeless tire and the tubed tire is desired.
- An object of the present invention is to provide a tire air filling technique capable of filling a tubeless tire and a tube-filled tire with air.
- the tire condition detecting means for detecting whether one of the tubeless tire and the tube-equipped tire attached to the wheel is fitted in the wheel in a normal state; and An air supply means connected to an air valve provided on the wheel for supplying air exceeding atmospheric pressure, a pressure detection means for detecting the internal pressure of the tire, and controlling the air supply means to change the pressure of the air
- the tubeless tire fitting start work for supplying the air exceeding the specified pressure by forcibly inflating the tubeless tire
- An air pressure adjusting step and when the tube-filled tire is filled with air, the air supply means supplies the air exceeding the specified pressure for a predetermined time to inflate the tube in the tube-filled tire. And an air pressure detector that detects air pressure by the pressure detector when the supply of air is stopped.
- the tire air filling method includes the air pressure adjusting step the internal pressure of the tube by operating the air supply means based on a difference between the obtained pressure and the specified pressure to the specified pressure, is provided.
- the internal pressure of the tubeless tire and the tube-filled tire is set to the specified pressure by repeatedly supplying the air and detecting the air pressure in the air pressure adjusting step.
- the tubeless tire is filled with air and inflated, and the tire is fitted to the wheel in a normal state. Thereafter, the tire is filled with air of a specified pressure by an air pressure detecting process and an air pressure adjusting process.
- the tube is filled with air of a specified pressure through a tube expansion process, an air pressure detection process, and an air pressure adjustment process. Therefore, with one air filling device, the tubeless tire and the tube-filled tire can be filled with air, and the equipment cost can be halved.
- FIG. 1 It is a block diagram of the air filling apparatus which concerns on this invention. It is a principle diagram of a distance sensor. It is an effect
- the air filling device 10 includes a table 14 on which a wheel 13 including a wheel 11 and a tire 12 is placed, and a tire state detection unit that detects whether or not the tire 12 is fitted in the wheel 11 in a normal state.
- a tire state detection unit that detects whether or not the tire 12 is fitted in the wheel 11 in a normal state.
- an air supply means 40 that is connected to an air valve 15 provided on the wheel 11 and supplies air exceeding atmospheric pressure
- a pressure detection means 45 that detects the internal pressure of the tire 12
- a connection port 44 of the air supply means 40 and
- a moving means 50 for moving the nut runner 46 in the vertical and horizontal directions
- a control section 58 for controlling the air supply means 40 to change the air pressure and stopping the supply of air
- a pressure detection means 45 and a control section 58 is provided to the air valve. The nut is tightened with a predetermined tightening torque by the nut runner 46.
- the tire condition detection means 20 includes a post 22 erected on a base 21, a revolving cylinder 23 that is pivotably attached to the post 22, upper and lower arms 24, 24 extending horizontally from the revolving cylinder 23, Distance sensors 25, 25 attached to the tips of the upper and lower arms 24, 24, a rotary actuator 26 attached to, for example, the upper end of the post 22 to turn the arm 24 from a standby position to a detection position, and distance sensors 25, 25. And a tire condition determination unit 27 that determines the condition of the tire 12 by receiving the distance information detected in step (b).
- the upper and lower distance sensors 25 and 25 are disposed on the air valve 15 side, and the upper and lower distance sensors 25 and 25 are disposed on the opposite side of the air valve 15.
- the number of the distance sensors 25, 25 is arbitrary, but if there are a plurality of distance sensors, detection of measurement errors can be prevented by averaging the distance information. The greater the number, the more reliable the information.
- the distance sensor 25 includes a laser emitting unit 31 that irradiates a laser emitting light 29, a light projecting lens 32 that narrows the emitted light 29, a light receiving lens 34 that narrows the reflected light 33, and a reflected light 33.
- the light position detecting element 35 for specifying the light receiving position of the light and a distance meter case 36 for storing them together.
- the emitted light 29 reaches the tire 12 from the laser emitting unit 31 via the light projecting lens 32.
- the distance sensor 25 of this example has no problem in measurement. The reason will be described next.
- the light position detecting element 35 is composed of an infinite number (for convenience, six) light receiving elements 35a to 35f.
- the reflected light 33 travels on a line connecting the point P1 where the emitted light 29 hits and the center of the light receiving lens 34, and is received by the fifth light receiving element 35e. .
- the reflected light 33 travels on a line connecting the point P2 where the emitted light 29 hits and the center of the light receiving lens 34, and is received by the second light receiving element 35b.
- the relative positions of the laser emitting unit 31, the light projecting lens 32, the light receiving lens 34, and the optical position detecting element 35 are fixed, and the position coordinates are known. Therefore, if it is determined which of the light receiving elements 35a to 35f is receiving light, the distance to the tire 12 can be obtained geometrically.
- an air supply means 40 includes an air source 41 such as a compressor, an air supply path 42 such as an air hose extending from the air source 41, a valve unit 43 provided in the air supply path 42, an air The connection port 44 is provided at the tip of the supply path 42.
- the valve unit 43 includes a pressure control valve and an on / off valve.
- the pressure control valve is a valve that can control the air pressure to an arbitrary pressure.
- the pressure detecting means 45 includes a pressure guiding pipe 47 branched from the air supply path 42 and a pressure sensor 48 attached to the tip of the pressure guiding pipe 47.
- the pressure sensor 48 and the pressure guiding pipe 47 may be built in the valve unit 43.
- the moving means 50 includes a slider 53 supported by a horizontal portion of the L-shaped column 51 via a rail 52 so as to be horizontally movable, and a horizontal section that is passed between the slider 53 and the L-shaped column 51 and moves the slider 53 horizontally.
- a lifting cylinder unit 56 for movement, a holding bar 55 that is supported by the slider 53 so as to be movable up and down, and holds the connection port 44 and the nut runner 46, and is passed between the holding bar 55 and the slider 53 and moves up and down.
- a lifting cylinder unit 56 for movement, a holding bar 55 that is supported by the slider 53 so as to be movable up and down, and holds the connection port 44 and the nut runner 46, and is passed between the holding bar 55 and the
- the connecting port 44 can be brought into and out of contact with the air valve 15 by the cylinder unit 54 for lateral movement, or the nut runner 46 can be brought into and out of contact with the air valve 15.
- the connection port 44 or the nut runner 46 is selected to correspond to the air valve 15 by the lifting cylinder unit 56.
- an air valve 15 is attached to the wheel 11, and a connection port 44 and a nut runner 46 can be selected to correspond to the air valve 15.
- the tubeless tire 12L is attached to a wheel 11 such as a cast wheel. When the internal pressure is atmospheric pressure, the tubeless tire 12L has gaps 59, 59 between the rim 11a of the wheel 11 and the bead 12b of the tubeless tire 12L, as shown in FIG.
- FIG. 6 is a graph in which the horizontal axis represents the time axis and the vertical axis represents the internal pressure of the tubeless tire.
- the tubeless tire fitting start step, the tubeless tire fitting confirmation step, the air pressure detection step By performing the air pressure adjustment process in this order, the tire internal pressure can be gradually increased to the specified pressure.
- the air supply step and the pressure detection step are repeated (twice in this example).
- the distance sensors 25 and 25 detect the distances L1 and L2 to the tire 12L. Since the tire 12L is not fitted to the rim 11a, the distances L1 and L2 are large values, and it can be recognized that “the tire is not fitted in a normal state”. At the same time, the connection port 44 is connected to the air valve 15.
- the bead 12b fits into the rim 11a as a result of the tubeless tire 12L expanding.
- the distance sensors 25 and 25 continue to detect the distance to the tire 12L.
- the distance decreases with time.
- the distances L3 and L4 to the tire 12L are detected by the distance sensors 25 and 25, and when these distances L3 and L4 coincide with a predetermined distance, it is determined that the fitting is completed, and the control unit stops supplying air ( Tubeless tire fitting confirmation process).
- the tire internal pressure becomes constant as shown in FIG. Therefore, as shown in FIG. 8A, the tire internal pressure is detected by the pressure sensor 48 of FIG. 1 through the air valve 15, the connection port 44, and the air supply path 42 (air pressure detecting step).
- the control unit calculates a difference between the detected pressure and the specified pressure, and based on this difference, supplies air (for example, 0.50 MPa) for a certain period of time as shown in FIG. Supply step).
- the tire internal pressure is detected again in the state of FIG. 8A (pressure detection step during the air pressure adjustment process).
- 8A and 8B are repeated to set the tire internal pressure to the specified pressure.
- the air valve is opened to release the air.
- the air pressure adjustment process is performed as described above.
- FIG. 9 is a graph in which the horizontal axis represents the time axis and the vertical axis represents the internal pressure of the tube-filled tire (internal pressure of the tube). As shown in FIG. By carrying out in order, the tire internal pressure can be gradually increased to the specified pressure. In the air pressure adjustment process, the air supply step and the pressure detection step are repeated (twice in this example).
- the nut runner 46 is opposed to the air valve 15, the nut runner 46 is rotated, and the nut 62 is screwed into the air valve 15 with a predetermined tightening torque.
- the air valve 15 is fixed to the wheel 11.
- the nut runner 46 is removed from the air valve 15, and instead, the connection port 44 is connected to the air valve 15, and air exceeding the specified pressure of the tire is supplied to the tube 12T. Specifically, when the specified pressure is 0.20 MPa (200 kPa), five times as much air as 1.0 MPa is blown (tube expansion step).
- the tube internal pressure becomes constant as shown in FIG. Therefore, as shown in FIG. 11A, the tire internal pressure is detected by the pressure sensor 48 of FIG. 1 through the air valve 15, the connection port 44, and the air supply path 42 (air pressure detecting step).
- the control unit 58 calculates the difference between the detected pressure and the specified pressure, and based on this difference, as shown in FIG. In the process, air supply step).
- the tube internal pressure is detected again in the state of FIG. 11A (pressure detection step during the air pressure adjustment process).
- 11 (a) and 11 (b) are repeated to set the tube internal pressure to the specified pressure.
- the air valve is opened to release the air.
- the air pressure adjustment process is performed as described above.
- the present invention is suitable for a production line in which a tubeless tire and a tube tire are mixed and flowed.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
Description
図2に示すように、距離センサ25は、レーザの発射光29を照射するレーザ発射部31と、発射光29を絞る投光レンズ32と、反射光33を絞る受光レンズ34と、反射光33の受光位置を特定する光位置検出素子35と、これらを一括して収納する距離計ケース36とからなる。
図6は、横軸が時間軸で縦軸がチューブレスタイヤの内圧を示すグラフであり、図6に示すように、チューブレスタイヤ嵌合開始工程と、チューブレスタイヤ嵌合確認工程と、空気圧検出工程と、空気圧調整工程をこの順に実施することにより、タイヤ内圧を徐々に増加して規定圧にすることができる。空気圧調整工程では、空気供給ステップと圧力検出ステップとを繰り返す(この例では2回)。
Claims (2)
- ホイールに取付けられたチューブレスタイヤ及びチューブ入りタイヤのいずれか一方のタイヤが前記ホイールに正規の状態で嵌っているか否かを検知するタイヤ状態検出手段と、前記ホイールに設けられたエアバルブに接続され大気圧を超える空気を供給する空気供給手段と、前記タイヤの内圧を検出する圧力検出手段と、前記空気供給手段を制御して前記空気の圧力を変更すると共に前記空気の供給停止を行う制御部とからなる空気充填装置を用いて前記タイヤへ規定圧の空気を充填するタイヤ空気充填方法であって、
前記チューブレスタイヤに空気を充填するときには、
前記空気供給手段により前記規定圧を超える空気を供給し前記チューブレスタイヤを強制的に膨らませるチューブレスタイヤ嵌合開始工程と、
前記チューブレスタイヤの形状を前記タイヤ状態検出手段で検出し、前記チューブレスタイヤが前記ホイールに正規の状態で嵌ったときに前記空気の供給を停止するチューブレスタイヤ嵌合確認工程と、
前記空気の供給を停止した時点で前記圧力検出手段により空気圧を検出する空気圧検出工程と、
得られた空気圧と前記規定圧との差に基づいて前記空気供給手段を作動させてチューブレスタイヤの内圧を前記規定圧にする空気圧調整工程と、
を含み、
前記チューブ入りタイヤに空気を充填するときには、
前記空気供給手段により前記規定圧を超える空気を所定時間供給し前記チューブ入りタイヤ内のチューブを膨らませるチューブ膨張工程と、
前記空気の供給を停止した時点で前記圧力検出手段により空気圧を検出する空気圧検出工程と、
得られた空気圧と前記規定圧との差に基づいて前記空気供給手段を作動させて前記チューブの内圧を前記規定圧にする空気圧調整工程と、
を含むことを特徴とするタイヤ空気充填方法。 - 前記空気圧調整工程において、前記空気の供給と前記空気圧の検出を繰り返し行うことで、前記チューブレスタイヤおよび前記チューブ入りタイヤの内圧を前記規定圧にする、請求項1に記載のタイヤ空気充填方法。
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JP2013555223A JP5775181B2 (ja) | 2012-01-24 | 2013-01-16 | タイヤ空気充填方法 |
BR112014018256A BR112014018256A8 (pt) | 2012-01-24 | 2013-01-16 | Método de enchimento de ar em um pneu |
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JP2012-012369 | 2012-01-24 | ||
JP2012012369 | 2012-01-24 |
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WO2013111645A1 true WO2013111645A1 (ja) | 2013-08-01 |
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PCT/JP2013/050635 WO2013111645A1 (ja) | 2012-01-24 | 2013-01-16 | タイヤ空気充填方法 |
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BR (1) | BR112014018256A8 (ja) |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106796153A (zh) * | 2014-10-24 | 2017-05-31 | 申克罗泰克有限责任公司 | 用于轮胎充气装置的测试装置 |
US11235628B1 (en) | 2017-01-13 | 2022-02-01 | Hennessy Industries, Inc. | Valve stem hole tire seating device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07186646A (ja) * | 1993-12-28 | 1995-07-25 | Sumitomo Rubber Ind Ltd | タイヤ嵌合方法 |
JPH11129714A (ja) * | 1997-10-29 | 1999-05-18 | Mazda Motor Corp | タイヤの空気注入装置 |
JP2000185532A (ja) * | 1998-12-22 | 2000-07-04 | Kawasaki Heavy Ind Ltd | タイヤ空気充填装置 |
-
2013
- 2013-01-16 JP JP2013555223A patent/JP5775181B2/ja not_active Expired - Fee Related
- 2013-01-16 WO PCT/JP2013/050635 patent/WO2013111645A1/ja active Application Filing
- 2013-01-16 BR BR112014018256A patent/BR112014018256A8/pt not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07186646A (ja) * | 1993-12-28 | 1995-07-25 | Sumitomo Rubber Ind Ltd | タイヤ嵌合方法 |
JPH11129714A (ja) * | 1997-10-29 | 1999-05-18 | Mazda Motor Corp | タイヤの空気注入装置 |
JP2000185532A (ja) * | 1998-12-22 | 2000-07-04 | Kawasaki Heavy Ind Ltd | タイヤ空気充填装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106796153A (zh) * | 2014-10-24 | 2017-05-31 | 申克罗泰克有限责任公司 | 用于轮胎充气装置的测试装置 |
JP2018506014A (ja) * | 2014-10-24 | 2018-03-01 | シェンク ロテック ゲゼルシャフト ミット ベシュレンクテル ハフツング | タイヤ膨張装置のための検査装置 |
CN106796153B (zh) * | 2014-10-24 | 2019-11-01 | 申克罗泰克有限责任公司 | 用于轮胎充气装置的测试装置 |
US11235628B1 (en) | 2017-01-13 | 2022-02-01 | Hennessy Industries, Inc. | Valve stem hole tire seating device |
Also Published As
Publication number | Publication date |
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BR112014018256A8 (pt) | 2017-07-11 |
JP5775181B2 (ja) | 2015-09-09 |
JPWO2013111645A1 (ja) | 2015-05-11 |
BR112014018256A2 (ja) | 2017-06-20 |
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