WO2015166875A1 - Mécanisme de support de pneu et dispositif de changement de pneu - Google Patents

Mécanisme de support de pneu et dispositif de changement de pneu Download PDF

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Publication number
WO2015166875A1
WO2015166875A1 PCT/JP2015/062368 JP2015062368W WO2015166875A1 WO 2015166875 A1 WO2015166875 A1 WO 2015166875A1 JP 2015062368 W JP2015062368 W JP 2015062368W WO 2015166875 A1 WO2015166875 A1 WO 2015166875A1
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WO
WIPO (PCT)
Prior art keywords
tire
wheel
tool
support mechanism
movable base
Prior art date
Application number
PCT/JP2015/062368
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English (en)
Japanese (ja)
Inventor
敏男 石栗
卓也 三谷
Original Assignee
株式会社オルタライフ
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 株式会社オルタライフ filed Critical 株式会社オルタライフ
Publication of WO2015166875A1 publication Critical patent/WO2015166875A1/fr

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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
    • B60C25/01—Apparatus or tools adapted for mounting, removing or inspecting tyres for removing tyres from or mounting tyres on wheels
    • B60C25/05—Machines
    • B60C25/125—Machines for only breaking the beads
    • 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
    • B60C25/01—Apparatus or tools adapted for mounting, removing or inspecting tyres for removing tyres from or mounting tyres on wheels
    • B60C25/05—Machines
    • B60C25/125—Machines for only breaking the beads
    • B60C25/13—Machines for only breaking the beads acting axially on a part of the bead or side wall only at localised regions of the bead or side wall

Definitions

  • the present invention relates to a tire support mechanism and a tire changer. More specifically, the present invention relates to a tire support mechanism that can be easily removed regardless of the type of tire and the diameter of the wheel, and a tire changer including the same. is there.
  • the technology is intended to mount and remove tires from any diameter wheel rim.
  • the configuration includes a box-shaped base from which a fixed arm extends eccentrically, the arm being shaped like an inverted U-shape, with a bead extractor at one free end towards the base Supporting a fixture, wherein the machine further includes a rotating wheel support that protrudes from the upper surface of the opposing base and is provided with means for fixing the wheel rim, the machine comprising a suitable member by means of a suitable member Mounted on means that can slide horizontally with respect to the base with a finely adjustable stroke, the stroke being directed in a converging / diverging direction with respect to the arm, the sliding means being firmly connected to the base
  • a member for installing a tire that is supported by the guide device and mounted on the wheel rim is further provided.
  • the present invention focuses on the above points, and the tool side and the wheel are in contact with each other even in a tire with a strengthened bead portion or sidewall portion, such as a run-flat tire, or a tire with a large diameter. It is an object of the present invention to provide a tire support mechanism capable of removing a tire so as not to be damaged. Another object is to provide a tire changer that can smoothly remove a tire without damaging the wheel even when the tool is supported by a cantilever structure.
  • the tire support mechanism of the present invention is characterized in that a movable base that supports the fixing means of the wheel is movable with respect to a frame that supports a tool for removing the tire from the wheel.
  • Another tire support mechanism is a tire support mechanism for a tire changer for removing a tire from a wheel, and has a frame body having an opening on an upper surface and a fixing means for the wheel, and can be rotated by a driving means.
  • a movable base that is vertically supported, and a fixing means for the wheel is exposed from the opening, and the movable base is movable with respect to the upper surface.
  • a position adjustment mechanism that supports the upper surface and adjusts the position of the movable base so that the movable base moves simultaneously in both the axial direction of the rotating shaft and the direction orthogonal to the axial direction. It is characterized by that.
  • the position adjusting mechanism adjusts the position of the movable base by a cam.
  • the movable base has a base plate through which the rotating shaft is rotatably penetrated, and the position adjusting mechanism is substantially parallel across a portion through which the rotating shaft penetrates.
  • An eccentric cam provided at a position corresponding to the opening of the projecting member, a cam having a substantially circular cross section that can be accommodated in the opening, a link mechanism for simultaneously rotating the pair of shafts, Drive the link mechanism Characterized by comprising a dynamic means.
  • the wheel fixing means can fix wheels having different diameters.
  • a tire changer of the present invention comprises the tire support mechanism according to claim 1, a fixing means for the wheel, a rotating shaft that is erected and supported on the movable base, and a driving means that rotates the rotating shaft.
  • the tool that inserts a tip between the wheel rim and the tire and hooks the tip on the tire bead, and the tool in the horizontal direction along the axial direction of the rotating shaft and the upper surface of the frame body And a tool support mechanism that is movably supported.
  • the tool support mechanism is a column that is erected on the upper surface of the frame, a horizontal member that is substantially perpendicular to the column and substantially parallel to the upper surface of the frame, and the horizontal member Is a cantilever structure including a main shaft provided with the tool at a tip thereof and substantially parallel to the support column.
  • a tire changer according to any one of claims 2 to 5, a driving means for rotating a rotating shaft of the tire supporting mechanism, and a tip between the wheel rim and the tire. And a tool support mechanism for supporting the tool movably in the axial direction of the rotating shaft and in the horizontal direction along the upper surface of the frame body, and a tool for hooking the tip to the bead portion of the tire. It is characterized by having.
  • the tool support mechanism is a column that is erected on the upper surface of the frame, a horizontal member that is substantially perpendicular to the column and substantially parallel to the upper surface of the frame, and the horizontal member Is a cantilever structure including a main shaft provided with the tool at a tip thereof and substantially parallel to the support column.
  • Another aspect is characterized in that, among the moving directions of the movable base by the position adjusting mechanism, the direction orthogonal to the axial direction of the rotating shaft is the same as the axial direction of the horizontal member.
  • the movable base that supports the fixing means of the wheel is movable with respect to the frame that supports the tool for removing the tire from the wheel. For this reason, even if the tool is supported by a cantilever structure and the tool side may bend due to the tire diameter or hardness, the tool side can be moved simultaneously in both the vertical and horizontal directions. The tire can be removed without creating a gap between the wheel and the wheel.
  • FIG. 1 is an external perspective view showing an overall configuration of a tire changer according to a first embodiment of the present invention. It is a perspective view which shows the tire support mechanism of the said Example 1.
  • FIG. FIG. 2 is a view showing the tire support mechanism, in which (A) is a perspective view showing a shaft and a cam, and (B) is a side view showing a state in which the cam of (A) is attached to a movable base. It is an effect
  • FIG. 1 is an external perspective view showing the overall configuration of the tire changer of this embodiment
  • FIG. 2 is a perspective view showing the tire support mechanism of this embodiment
  • 3A is a view showing the shaft and cam of the tire support mechanism
  • FIG. 3B is a side view showing a state in which the cam of FIG. 3A is attached to a movable base.
  • FIG. 4 is an operation diagram showing how the position is adjusted by the tire support mechanism of the present embodiment
  • FIG. 5 is a diagram comparing the operation of the present embodiment and the prior art.
  • the tire changer (or tire changer) 10 of the present embodiment supports the tire 40 by the tire support mechanism 60 provided on the frame 12 shown in FIG. 1 and removes the tire 40 from the wheel 50 by the tool 34.
  • the frame 12 has a substantially rectangular parallelepiped shape, and an opening 14 is formed at a substantially central portion of the upper surface 12A.
  • the tire support mechanism 60 includes a wheel fixing portion 72 that fixes the wheel 50, and a rotating shaft 70 that is rotated by a motor 74 is configured around a movable base 62 that penetrates rotatably.
  • the movable base 62 is supported on the back surface of the upper surface 12A so that the wheel fixing portion 72 protrudes upward from the opening 14 and the movable base 62 is movable with respect to the upper surface 12A.
  • the movable base 62 can be moved simultaneously in both directions in the vertical direction (axial direction of the rotary shaft 70) and the horizontal direction (direction orthogonal to the axial direction of the rotary shaft 70) by a position adjusting mechanism.
  • the configuration of such a tire support mechanism 60 will be described in detail later.
  • the tool upper surface 12A is provided with a tool support mechanism 20 for supporting the tool 34 at a position near the rear surface 12C.
  • the tool support mechanism 20 includes a support 22 that is erected and supported on the upper surface 12A, and a horizontal arm 24 that is provided on the upper end side of the support 22 and is substantially parallel to the upper surface 12A.
  • a main shaft 26 provided substantially parallel to the support column 22 on the front end side of the horizontal arm 24.
  • the tool 34 is supported by a tool holder 32 fixed to the lower end side of the main shaft 26. That is, in the present embodiment, the spindle 26, the tool holder 32, and the tool 34 are supported by a cantilever structure including the support column 22 and the horizontal arm 24.
  • the horizontal arm 24 can be slid in a horizontal direction (direction indicated by an arrow FA in FIG. 1) with respect to the support column 22 by a horizontal slide mechanism 28, and the main shaft 26 is vertically moved by an elevating mechanism 30. It can be moved up and down in the direction (direction shown by arrow FB in FIG. 1). Since the horizontal slide mechanism 28 and the elevating mechanism 30 are well known, detailed description thereof is omitted. In addition to the tool support mechanism 20, a known bead breaker (not shown) is provided on the frame upper surface 12A. In the present embodiment, the horizontal arm 24 is moved in the horizontal direction by the horizontal slide mechanism 28, so that the tire 40 having different diameters can be removed.
  • the tire support mechanism 60 for supporting the tire 40 and adjusting the position will be described.
  • the tool 34 is supported by the cantilever structure
  • the tool 34 is pulled toward the tire 40 side, and the column 22 is bent.
  • the tool holder 32 and the tool 34 may hit the wheel 50 and be damaged.
  • the tire support mechanism 60 moves the wheel 50 side in both the vertical and horizontal directions simultaneously, thereby forming an appropriate gap between the tool side and the wheel 50, and the tool side is the wheel 50. It is to prevent hitting. As shown in FIGS.
  • the tire support mechanism 60 includes a movable base 62, a pair of shafts 76 and 86 for supporting the movable base 62, and cams 82, 84, 92 provided on these shafts. 94, a link mechanism 100 for simultaneously rotating the shafts 76 and 86, a hydraulic cylinder 120, and the like.
  • the movable base 62 has a substantially rectangular base plate 64 and a pair of protrusions projecting along the long side of the base plate 64 on the back surface 64B side of the base plate 64 so as to be substantially orthogonal to the base plate 64.
  • the members 66 and 68 are formed in a substantially U-shaped cross section.
  • a rotation shaft 70 rotatably passes through an opening (not shown) at a substantially central portion of the base plate 64, and a wheel fixing portion 72 is provided on the rotation shaft 70 on the surface 64 ⁇ / b> A side of the base plate 64.
  • a motor 74 for rotating the rotary shaft 70 is fixed to the base plate back surface 64B side by appropriate means.
  • the wheel fixing portion 72 can fix the wheel 50 (tire 40) having a different diameter.
  • a pair of shafts 76 and 86 are provided on the base plate back surface 64B side so as to be substantially parallel across a portion through which the rotating shaft 70 passes.
  • the shafts 76 and 86 have a substantially circular cross section as shown in FIG. End portions 76A and 76B of the shaft 76 are rotatably supported by the protruding member 16 on the back surface of the frame upper surface 12A by bearings 78A and 78B, respectively.
  • the reason for fixing to the protruding member 16 is to secure an upward movement space of the movable base 62.
  • the ends 86A and 86B of the other shaft 86 are rotatably supported by bearings 88A and 88B on the back surface of the frame upper surface 12A.
  • Bearings 80 and 90 are provided between the shafts 76 and 86 and the bearings, respectively.
  • the projecting members 66 and 68 provided on the base plate back surface 64B are larger in diameter than the pair of shafts 76 and 86, and the openings 66A and 66B having a substantially circular cross section through which the shafts 76 and 78 pass. 68A and 68B are formed.
  • cams 82 and 84 having a substantially circular cross section are provided on the outer periphery of the shaft 76 so as to be eccentric with respect to the shaft 76. The cams 82 and 84 are disposed in the vicinity of both ends of the shaft 76 at intervals that are accommodated in the openings 66A and 68A when the shaft 76 is passed through the projecting members 66 and 68.
  • cams 92 and 94 having a substantially circular cross section are also provided on the outer periphery of the other shaft 86 so as to be eccentric with respect to the shaft 86. These cams 92 and 94 are also arranged on the shaft 86 so as to be spaced apart from the openings 66B and 68B when the shaft 86 is passed through the projecting members 66 and 68.
  • the diameters of the cams 82, 84, 92, and 94 are set to be slightly smaller than the diameters of the openings 66A, 66B, 68A, and 68B.
  • a presser ring 96 having a diameter larger than the openings 66A and 66B is provided.
  • a pressing ring 96 is also provided on the shaft 86 between the cam 92 and the bearing 88A and between the cam 94 and the bearing 88B.
  • the link mechanism 100 includes arms 102 and 104 and a link 106.
  • An end 102A of the arm 102 is fixed to the end 76A side of the shaft 76, and the shaft 76 rotates when the arm 102 rotates.
  • the end portion 104A of the other arm 104 is fixed to the end portion 86A side of the shaft 86, and when the arm 104 rotates, the shaft 86 rotates.
  • the arms 102 and 104 are connected by the link 106.
  • one end 106A of the link 106 is connected to the other end 102B of the arm 102 by a pin 108, so that the link 106 and the arm 102 can be rotated relatively.
  • the other end 106B of the link 106 is connected by the pin 110 at a position slightly closer to the center than the other end 104B of the arm 104, so that the link 106 and the arm 104 are relatively rotated. It is possible to move.
  • a hydraulic cylinder 120 for driving the link mechanism 100 is provided inside the frame front surface 12B.
  • one end 122 side of the hydraulic cylinder 120 is rotatably supported by a pin 126 on a fixing member 124 fixed to the inside of the front surface 12B.
  • a rod 128 that expands and contracts is provided on the other end side of the hydraulic cylinder 120.
  • the tip 130 of the rod 128 is connected to the end 104B of the arm 104 by a pin 132, so that the rod 128 and the arm 104 can be rotated relatively.
  • the link mechanism 100 is driven in accordance with the degree of expansion and contraction of the rod 128, and the shafts 76 and 86 are rotated to move the position of the movable base 62. Move in both the vertical and horizontal directions simultaneously.
  • the movable base 62 in the state where the rod 128 is most contracted, the movable base 62 is closest to the back surface of the frame upper surface 12A, that is, the thick portions of the cams 82 and 92. Are accommodated in the openings 66A and 66B so that is directed upward. Further, when the rod 128 is contracted, the end portions 102B and 104B of the arms 102 and 104 face the direction of the hydraulic cylinder 126 (left direction in the illustrated example).
  • the shafts 76 and 86 are supported by bearings 78A, 78B, 88A, and 88B with respect to the back surface of the frame top surface 12A, and the positions of the shafts 76 and 86 with respect to the frame top surface 12A do not change.
  • the movable base 62 moves. That is, as shown in FIG. 4 (A), the base plate surface 64A is slightly lowered and moved slightly to the left as shown in FIG. 4 (B) from the state where the base plate surface 64A is close to the back surface of the frame upper surface 12A. To do.
  • the movement of the movable base 62 at this time is not performed as a separate operation for lowering and moving to the left side, but from the state where the thick portions of the cams 82, 84, 92, 94 are facing upward. It is performed simultaneously with the operation of rotating in the opening so as to face (left side in the illustrated example). In other words, the rotary shaft 70 moves downward in the axial direction and simultaneously moves in both directions perpendicular to the axial direction (in the example shown, the axial direction of the horizontal arm 24). In the state shown in FIG. 4 (B), since the thick portions of the cams 82, 84, 92, 94 are facing leftward, the amount of movement of the movable base 62 to the left is maximum.
  • the moving trajectory of the movable base 62 differs depending on the degree of eccentricity of the cams 82, 84, 92, 94, and the initial positions of the shafts 76, 86 in the opening when the rod 128 of the hydraulic cylinder 120 is short, You may change suitably as needed.
  • the arm 104 is rotated, and the arm 102 is also simultaneously rotated by the link 106. Therefore, the shafts 76 and 86 interlocking with the arms 102 and 104 rotate, and the cams 82, 84, 92, and 94 rotate within the openings 66A, 66B, 68A, and 68B. That is, as shown in FIG. 4C, the base plate upper surface 64A slightly rises from the state where it is lowest from the back surface of the frame upper surface 12A, and the state shown in FIG. At the same time, it moves slightly to the right from the state shown in FIG.
  • the movable base 62 is lifted and moved to the right side so that the thick portions of the cams 82, 84, 92, and 94 face downward (right side in the illustrated example). It is performed simultaneously with the operation of rotating the inside of the unit.
  • the amount of movement of the movable base 62 to the right side is maximum.
  • FIGS. 5A and 5B are diagrams showing a comparative example which is a conventional technique
  • FIG. 5C is a diagram showing the present embodiment.
  • 5A and 5B the same reference numerals are used for the portions corresponding to the components of the tire changer of the present embodiment.
  • the wheel 50 of the tire 40 is fixed to the wheel fixing portion 72 with bolts or the like.
  • a tire 40 having a large diameter and being hard is used.
  • the wheel 50 is fixed by, for example, aligning the bolt hole on the wheel fixing part 72 side with the bolt hole of the disk part 52 of the wheel 50 and fixing with the bolt 54.
  • the tire 40 is sandwiched from above and below by a bead breaker (not shown), and the rotating shaft 70 is rotated. Then, the bead portion 42 of the tire 40 is detached from the rim 56 of the wheel 50 and the bead portion 42 is dropped inward, so that a gap is formed between the tire 40 and the wheel 50. Once the bead portion 42 is dropped, the rotation of the tire 40 is stopped once, and the horizontal arm 24 is slid in the direction of the arrow FA by the horizontal slide mechanism 28 of the tool support mechanism 20 to match the diameter of the tire 40 (or wheel 50). The horizontal positions of the tool holder 32 and the tool 34 are aligned.
  • the spindle 26 is lowered in the direction of the arrow FB by the lifting mechanism 30, and the tool holder 32 and the tool 34 are lowered according to the support height of the tire 40. Then, the tool 34 is inserted between the tire 40 and the rim 56 of the wheel 50 by a drive mechanism of the tool 34 (not shown) (see FIG. 5A). Then, as shown in FIG. 5B, the tool 34 is pulled up and the tip of the tool 34 is hung on the bead portion 42 of the tire 40. Since the movement of the tool 34 with respect to the tool holder 32 is known, the description thereof is omitted.
  • the rod 128 is expanded and contracted by driving the hydraulic cylinder 120 of the tire support mechanism 60, and as shown by the arrows in FIG.
  • the movable plate 62 can be moved. 5C, a gap 140 is formed between the rim 56 of the wheel 50 and the tool holder 32, and the operation is continued with the tool holder 32 and the rim 56 not in contact with each other. can do.
  • the portion where the bead portion 42 is lifted by the tool 34 gradually increases as the wheel 50 rotates, and finally the bead portion. 42 can be removed from the rim 56 of the wheel 50 over the entire circumference.
  • FIG. 5C the rod 128 is expanded and contracted by driving the hydraulic cylinder 120 of the tire support mechanism 60, and as shown by the arrows in FIG.
  • the movable plate 62 can be moved. 5C, a gap 140 is formed between the rim 56 of the wheel 50 and the tool holder 32, and the operation is continued with the tool holder 32 and the rim 56 not in contact with each other. can do.
  • FIG. 5 (C) is a case where the state shown in FIG. 4 (A) is moved to the state shown in FIG. 4 (C).
  • the movable plate 62 may be moved to the state shown in (D) and the tire 40 may be removed.
  • the direction in which the movable plate 62 is moved can be appropriately adjusted according to the shape of the tool holder 32 or the tool 34, the degree of deflection of the column 22, the diameter of the tire 40 or the wheel 50, and the like.
  • the position of the tool holder 32 is adjusted (lowered) by the elevating mechanism 30, and the lower bead portion 42 is also subjected to the same procedure. Remove from wheel 50. Also at this time, according to the deflection of the column 22, the rod 128 is expanded and contracted by the hydraulic cylinder 120, and the movable plate 62 is moved in a necessary direction to maintain the state where the wheel 50 and the tool side are not in contact with each other. Remove.
  • the movable base 62 having the frame 12 having the opening 14 on the upper surface 12A and the wheel fixing means 72 and the rotary shaft 70 that is rotatable by the motor 74 is supported upright.
  • the tire support mechanism 60 is comprised by the position adjustment mechanism which supports the position of this movable base 62 so that adjustment is possible.
  • the position adjusting mechanism supports the movable base 62 against the back surface of the frame upper surface 12A, and supports the movable base 62 in the axial direction of the rotary shaft 70 and in the forward / backward direction of the horizontal arm 74 (the axis of the rotary shaft 70). Simultaneously moving in both directions).
  • the tool 40 side can be moved slightly by moving the tire 40 (or wheel 50) side in the vertical and horizontal directions simultaneously.
  • a gap is formed between the wheels 50, and the tire 40 can be removed without damaging the wheels 50.
  • the cams 82, 84, 92, and 94 are used for position adjustment, it is possible to simultaneously move in both the axial direction of the rotating shaft and the direction orthogonal to the axial direction with a simple configuration. .
  • this invention is not limited to the Example mentioned above, A various change can be added in the range which does not deviate from the summary of this invention.
  • the method of fixing the wheel 50 by the wheel fixing portion 72 shown in the above embodiment is an example, and various known fixing methods may be used.
  • the cams 82, 84, 29, 94 are eccentrically provided on the pair of shafts 76, 86, so that the axial direction of the rotating shaft 70 of the wheel fixing portion 72 and the direction orthogonal to the axial direction Although the two arms are moved simultaneously in both directions (the advance and retreat directions of the horizontal arm 24), a mechanism using a cam is also an example, and the design can be changed as appropriate within a range where similar effects can be obtained.
  • the shapes, dimensions, and materials shown in the above embodiments are examples, and may be changed as appropriate.
  • the tire replacement procedure shown in the above embodiment is merely an example, and can be changed as appropriate within a range where the same effect can be obtained.
  • the moving direction of the movable base 62 is also an example, and can be appropriately changed according to the shape and size of the tool holder 32 and the tool 34, the size and shape of the wheel 40, or the deflection of the support column 22.
  • the wheel fixing portion 72 is configured to fix the wheel 50 having a different diameter, but may be configured to fix only the wheel 50 having one type of diameter.
  • the tire support mechanism and the tire changer of the present invention can be applied to the removal of other various known tires.
  • the support mechanism of the tool 34 has a cantilever structure, but this does not hinder the application of the present invention when the tool 34 is supported by another support mechanism.
  • the movable base that supports the fixing means of the wheel is movable with respect to the frame that supports the tool for removing the tire from the wheel. For this reason, it is applicable to the use of the tire support mechanism for the tire changer for removing a hard tire, a tire with a large diameter, etc. from a wheel. In particular, by moving the wheel side in both the vertical and horizontal directions simultaneously, a gap is created between the tool side and the tire can be removed without damaging the wheel. It is suitable for the use of a tire support mechanism for a supported tire changer.

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  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

La présente invention concerne un mécanisme de support de pneu ou un dispositif de changement de pneu permettant de démonter un pneu sans rayer la roue par contact avec un outil, même si le pneu est un pneu renforcé ou un pneu dur grand diamètre. Un arbre rotatif (70) doté d'une partie de fixation de roue (72) est placé de manière rotative à travers une plaque de base (64) d'une base mobile (62) et entraîné par un moteur (74). Sur une surface arrière de plaque de base (64B), une paire d'éléments faisant saillie (66, 68) est formée de manière approximativement parallèle, avec des parties d'ouverture approximativement circulaires formées dans les éléments faisant saillie (66, 68). Les arbres (76, 86) placés à travers les parties d'ouverture et supportés de manière rotative sur une surface arrière d'une surface supérieure de cadre (12A) sont pourvus de cames (82, 84, 92, 94) placées de manière excentrique au niveau de positions correspondant aux parties d'ouverture. Lorsqu'une tige (128) d'un cylindre de pression hydraulique (120) est étendue ou rétractée, la base mobile (62) est déplacée, par l'intermédiaire d'un mécanisme de liaison (100), à la fois dans une direction axiale de l'arbre rotatif (70) et dans une direction perpendiculaire à celui-ci, formant ainsi un espace approprié (140) entre un outil (34) et une roue (50).
PCT/JP2015/062368 2014-05-01 2015-04-23 Mécanisme de support de pneu et dispositif de changement de pneu WO2015166875A1 (fr)

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Application Number Priority Date Filing Date Title
JP2014-094846 2014-05-01
JP2014094846A JP2015212110A (ja) 2014-05-01 2014-05-01 タイヤ支持機構及びタイヤチェンジャ

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Publication number Priority date Publication date Assignee Title
CN111942087A (zh) * 2020-08-06 2020-11-17 曾鹏 一种省力快速撬胎设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05238217A (ja) * 1990-10-22 1993-09-17 Corghi Spa タイヤ取外し機械
JPH079821A (ja) * 1993-05-14 1995-01-13 Macis Srl ホイールリムにタイヤを装着するための機械
JP2002029231A (ja) * 2000-05-22 2002-01-29 Corghi Spa タイヤ取り外し機用の自動ビード解放装置及びそれを具備したタイヤ取り外し機

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05238217A (ja) * 1990-10-22 1993-09-17 Corghi Spa タイヤ取外し機械
JPH079821A (ja) * 1993-05-14 1995-01-13 Macis Srl ホイールリムにタイヤを装着するための機械
JP2002029231A (ja) * 2000-05-22 2002-01-29 Corghi Spa タイヤ取り外し機用の自動ビード解放装置及びそれを具備したタイヤ取り外し機

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