CN214450067U

CN214450067U - Tire dismounting device

Info

Publication number: CN214450067U
Application number: CN202022741696.7U
Authority: CN
Inventors: 仲婧宇; 王妮; 马华; 陈洪毅; 李贺
Original assignee: Sino Italian Taida Yingkou Garage Equipment Co ltd
Current assignee: Sino Italian Taida Yingkou Garage Equipment Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-10-22
Anticipated expiration: 2030-11-24

Abstract

The utility model provides a dismouting tire device belongs to dismouting tire technical field, especially relates to a dismouting tire device. The utility model provides a dismouting tire device that excellent in use effect. The utility model comprises a fixed support 1, and is characterized in that the upper part of the fixed support 1 is provided with a vertical guide rail 2, the lower end of the fixed support 1 is hinged with the lower end of a vertical first execution cylinder main body, a sliding support 5 is arranged on the vertical guide rail 2, and a power output end at the upper end of the first execution cylinder is hinged with the lower end of the sliding support 5; one side of the sliding support 5 is hinged with the rear part of the horizontal support frame 33, and the horizontal support frame 33 is provided with a working arm 36, a second execution cylinder for driving the working arm 36 to axially lock and a fourth execution cylinder for driving the working arm 36 to axially move; the middle part of a locking hook 22 is hinged on the horizontal support frame 33, one end of the locking hook 22 is hinged with the main body of the third actuating cylinder 19, the other end of the locking hook 22 is connected with the sliding support 5 in a shaft mode, and the rod end of the third actuating cylinder 19 is hinged with the sliding support 5.

Description

Tire dismounting device

Technical Field

The utility model belongs to the technical field of the dismouting tire, especially, relate to a dismouting tire device.

Background

Automotive tires are generally made up of two parts, a rim (metal) having a circumferential annular flange along the periphery to which the bead of an elastomeric tire is fastened and a tire (rubber). The tire is disassembled and assembled by lifting the bead of the rubber tire onto the annular flange of the metal rim, and then separating the tire from the rim (the reverse installation is right). The traditional tire dismounting mode is that the tire dismounting machine is provided, the dismounting machine is composed of a box body, an upright post, a lifting arm, a working head, a rotating chuck and a manual crowbar, namely, the tire is fixed on the rotating chuck during dismounting, the lifting arm drives the working head to be close to the edge of a rim, a tire lip of the tire is pried to a leading-out surface of the working head by the manual crowbar, the tire rotates clockwise relative to the working head, and the tire is dismounted; and conversely, the tire is pressed to the leading-in surface of the working head by the tire lip and rotates clockwise relative to the working head, and the tire is arranged on the wheel rim. In order to improve the performance of passenger cars, tires are developed toward a small aspect ratio (ratio of tire section height to tire height), a hard wall tire, which causes difficulty in mounting and dismounting the tire. The traditional dismounting mode can not meet the development of the automobile industry, a hard-arm tire is difficult to pry by a manual crowbar, the tire is easy to damage, and a new tire dismounting tool and new tire dismounting equipment are urgently needed to adapt to the development of the tire technology. The tire dismounting device of Italian Keji company is a typical four-bar mechanism for controlling the motion track of a tire dismounting hook, the motion is transmitted through gears, the structure is complex, the tire dismounting hook has small tire dismounting force and is easy to scratch tires, and the whole device is not suitable for upgrading the old tire dismounting machine. The tire dismounting device of Italy Jiu company is a cam groove and a connecting rod for controlling the motion track of a tire dismounting hook, the whole device is suitable for upgrading an old tire dismounting machine, but the cam structure has the defects of low mechanical transmission efficiency, short service life and the like, the two automatic tire dismounting devices are used for dismounting the tire dismounting working head of the original machine, the two working heads are limited when dismounting the tire, and the traditional working head cannot be completely replaced. Also italian BUTLER introduced a new tyre-removing mode, using a hooked plastic head with a lead-in and also a lead-out surface, inserted into the tyre and lifted out, but the product could not be mounted independently on any machine.

SUMMERY OF THE UTILITY MODEL

The utility model discloses just to above-mentioned problem, a dismouting tire device that excellent in use effect is provided.

In order to achieve the purpose, the utility model adopts the following technical scheme that the utility model comprises a fixed support 1 and is characterized in that the upper part of the fixed support 1 is provided with a vertical guide rail 2, the lower end of the fixed support 1 is hinged with the lower end of a vertical first execution cylinder main body, a sliding support 5 is arranged on the vertical guide rail 2, and the power output end at the upper end of the first execution cylinder is hinged with the lower end of the sliding support 5;

one side of the sliding support 5 is hinged with the rear part of the horizontal support frame 33, and the horizontal support frame 33 is provided with a working arm 36, a second execution cylinder for driving the working arm 36 to axially lock and a fourth execution cylinder for driving the working arm 36 to axially move;

the middle part of a locking hook 22 is hinged on the horizontal support frame 33, one end of the locking hook 22 is hinged with the main body of the third execution cylinder 19, the other end of the locking hook 22 is connected with the sliding support 5 in a shaft mode, and the rod end of the third execution cylinder 19 is hinged with the sliding support 5;

a tension spring 25 is connected between the lock hook 22 and the horizontal support frame 33;

the front end of the working arm 36 is hinged with a tire dismounting hook.

As a preferred scheme, fixed bolster 1 lower extreme is provided with execution jar hinge hole 53, and the execution jar both ends are passed through cylinder shaft 3 and are articulated with execution jar hinge hole 53 and sliding support 5 lower extreme on the fixed bolster 1 respectively.

As another preferred scheme, be provided with adjusting block 8 in 5 rear ends of sliding support and the vertical guide rail 2 complex spout.

As another preferred scheme, sliding support 5 is equipped with sliding support hinge hole 6, is equipped with horizontal support frame hinge hole 52 on the horizontal support frame 33, and it is articulated with sliding support hinge hole 6 and horizontal support frame hinge hole 52 through primary shaft 14.

As another preferred scheme, a vertical second hole 34 of the horizontal support frame is arranged in the middle of the horizontal support frame 33, a support frame threaded shaft 26 extending backwards is arranged at the upper end of the rear part of the horizontal support frame 33, a first mounting seat 32 of an execution cylinder extending downwards is arranged at the lower end of the rear part of the horizontal support frame 33, and a second mounting seat 35 of the execution cylinder extending outwards is arranged in the middle of the horizontal support frame 33; the second actuator cylinder is mounted on the actuator cylinder first mount 32.

As another preferred scheme, horizontal support frame 33 rear portion is provided with vertical locking plate 29, and locking plate 29 middle part is provided with locking plate lockhole 28, and locking plate 29 upper end is provided with locking plate mounting groove 7, and support frame threaded shaft 26 passes locking plate mounting groove 7 and has screwed adjusting nut 27, and locking plate lockhole 28 is passed to the arm 36 rear end, and fourth execution jar 30 main part one end is installed on the execution jar second mount pad 35 of horizontal support frame 33 front end, and fourth execution jar 30 telescopic link tip is continuous with the arm 36 rear end of working.

As another preferred scheme, the corner of latch hook 22 is provided with latch hook intermediate hole 21, latch hook 22 one end is provided with latch hook hinge hole 23, the latch hook 22 other end is provided with latch hook bar hole 24, latch hook 22 is articulated with horizontal support frame 33 through fourth axle 20 and latch hook intermediate hole 21, be equipped with rod end hinge hole 16 and front cylinder cap hinge hole 18 on the third execution jar 19, be equipped with second hinge hole 13 on the sliding support 5, the third execution jar 19 is articulated with latch hook 22 through third axle 17, front cylinder cap hinge hole 18 and latch hook hinge hole 23, the third execution jar 19 is articulated with sliding support 5 through secondary shaft 15, rod end hinge hole 16 and second hinge hole 13.

As another preferred scheme, sliding support 5 is last to be connected with mounting panel 10 through round pin axle 9, and mounting panel adjusting hole 11 and connecting bolt 12 are passed through in the mounting panel 10 both sides and are installed on sliding

support

5, and 9 lower extremes of round pin axle pass latch hook bar hole 24, and the cooperation of latch hook bar hole 24 on round pin axle 9 and the latch hook 22.

As another preferred scheme, the front end face of the working arm 36 of the present invention is provided with a clamping groove, the bottom surface of the clamping groove is a working arm positioning surface 39, two sides of the clamping groove are provided with working arm hinge holes 38, the working arm positioning surface 39 is provided with a hole, a pressure spring 40 is arranged in the hole, and the outer end of the groove is provided with a knock pin 41;

a first limiting plane 42 and a second limiting plane 43 are arranged at the rear end of the tire removing hook, the upper end of the first limiting plane 42 is connected with the lower end of the second limiting plane 43, the first limiting plane 42 is a vertical plane, and the second limiting plane 43 is a plane which is inclined upwards from the rear to the bottom;

the middle turning part of the tire dismounting hook is provided with a tire dismounting hook hinge hole 45, and the tire dismounting hook is hinged with the working arm through the tire dismounting hook hinge hole 45, the tire dismounting hook rotating shaft 37 and the working arm hinge hole 38.

As another preferred scheme, the utility model discloses tear the preceding upper end of child hook open be right angle shape hook 44, tear the preceding lower extreme of child hook open and be provided with the curved hook 47 of buckling backward, curved hook 47 front side is downwardly extending's protection pad 46.

Secondly, the cross-section of work arm 36 is regular hexagon, and the locking plate lockhole is regular hexagon hole.

In addition, the sliding support 5 of the utility model comprises an upper transverse plate and a lower transverse plate, the hinge hole of the sliding support is arranged at the rear side of the upper transverse plate, the pin shaft 9 is arranged at the front side of the upper transverse plate, and the first shaft 14 passes through the upper transverse plate and the lower transverse plate;

the working arm 36 is arranged between the upper transverse plate and the lower transverse plate, the locking hook 22 is arranged at the upper end of the working arm 36, and the pin shaft mounting plate is arranged at the front end of the upper transverse plate;

the lower end of the lower transverse plate is provided with a vertical clamping plate, and the upper end of the output rod of the first execution cylinder is arranged between the vertical clamping plates and hinged.

The utility model has the advantages of.

The utility model discloses first execution cylinder can drive the up-and-down linear motion who tears child hook open, sliding support 5 rotates with the relative articulated of horizontal support frame 33, and the effect of extension spring is that the pulling force of spring is greater than horizontal support frame pivoted resistance, provides the rotation and the location locking power of work arm under the third execution cylinder effect, and the second is carried out 31 jars and is realized work arm axial locking, and the fourth is carried out 30 jars and is realized work arm axial motion.

The utility model discloses dismouting tire device can regard as independent device, and the mountable can install again on new machine on traditional child machine of tearing open.

The utility model discloses there is vertical guide rail to provide the spacing support of sliding support on the fixed bolster, sliding support along the guide rail up-and-down motion. The sliding support is provided with a horizontal support frame which moves horizontally and provides a horizontal movement limiting support for the working arm. The working arm is arranged on a horizontal support frame on the sliding support to do horizontal movement back and forth.

The utility model discloses increased the horizontal rotation of work arm, shortened the length of work arm, increased the rigidity.

Drawings

The present invention will be further described with reference to the accompanying drawings and the following detailed description. The scope of protection of the present invention is not limited to the following description.

Fig. 1 is a schematic structural view of a conventional tire changer.

Fig. 2 is a structural diagram of the present invention.

Fig. 3 is an exploded view of the present invention.

Fig. 4 is an installation and use diagram of the present invention.

Fig. 5-10 are schematic diagrams of the process of disassembling the tire by adopting the utility model.

Fig. 11 is an operation state diagram of tire mounting and dismounting.

Fig. 12 is a rotation working diagram of the horizontal support frame of the present invention.

Fig. 13 is a schematic view of the lower layer of the assembled tire using the present invention.

In the figure, 1 is a fixed support, 2 is a vertical guide rail, 3 is a cylinder shaft, 4 is a first execution cylinder, 5 is a sliding support, 6 is a sliding support hinge hole, 7 is a locking plate mounting groove, 8 is a sliding support adjusting block, 9 is a pin shaft, 10 is a pin shaft mounting plate, 11 is a mounting plate adjusting hole, 12 is a connecting bolt, 13 is a second hinge hole, 14 is a first shaft, 15 is a second shaft, 16 is a rod end hinge hole, 17 is a third shaft, 18 is a front cylinder cover hinge hole, 19 is a third execution cylinder, 20 is a fourth shaft, 21 is a locking hook middle hole, 22 is a locking hook, 23 is a locking hook hinge hole, 24 is a locking hook strip-shaped hole, 25 is a tension spring, 26 is a support frame threaded shaft, 27 is an adjusting nut, 28 is a locking plate locking hole, 29 is a locking plate, 30 is a fourth execution cylinder, 31 is a second execution cylinder, 32 is an execution cylinder first mounting seat, 33 is a horizontal support, 34 is a second horizontal support frame hole, 35 is an execution cylinder second mounting seat, 36 is a working arm, 37 is a tire removal hook rotating shaft, 38 is a working arm hinge hole, 39 is a working arm positioning surface, 40 is a pressure spring, 41 is a top pin, 42 is a first limiting plane, 43 is a second limiting plane, 44 is a right-angle hook, 45 is a tire removal hook hinge hole, 46 is a protection pad, 47 is a bent hook, 48 is a control system, 49 is a second execution cylinder and a fourth execution cylinder control button, 50 is a third execution cylinder control button, 51 is a first execution cylinder control button, 52 is a horizontal support frame hinge hole, 53 is a first execution cylinder hinge hole, 54 is a connection point at two ends of the tension spring 25, and 55 is a downward guide groove.

A traditional tire dismounting machine, a box body B, a column C, a lifting arm D, a working head E, a tire chuck F, a crowbar G, an automobile tire H, a rim I, a tire J and an auxiliary tire dismounting assistant L.

Detailed Description

As shown in the figure, the utility model comprises a fixed support 1, wherein the upper part of the fixed support 1 is provided with a vertical guide rail 2, the lower end of the fixed support 1 is hinged with the lower end of a vertical first execution cylinder main body, the vertical guide rail 2 is provided with a sliding support 5, and the power output end at the upper end of the first execution cylinder is hinged with the lower end of the sliding support 5;

the front end of the working arm 36 of the tension spring 25 is hinged with the tire dismounting hook which is connected between the locking hook 22 and the horizontal supporting frame 33.

A hinge support of a power execution cylinder is arranged below the fixed support 1, one end of the first power execution cylinder is connected with the hinge support, and the other end of the first power execution cylinder is connected with the sliding support.

The working arm is mounted in a hexagonal hole in the horizontal support frame 33.

The lower end of the fixed support 1 is provided with an execution cylinder hinge hole 53, and two ends of the execution cylinder are respectively hinged with the execution cylinder hinge hole 53 on the fixed support 1 and the lower end of the sliding support 5 through a cylinder shaft 3.

And an adjusting block 8 is arranged in a sliding groove at the rear end of the sliding support 5 matched with the vertical guide rail 2. Through the clearance of adjusting block 8 adjustment and vertical guide rail, be provided with the screw hole on the sliding support, the screw hole internal rotation has the bolt to push up adjusting block 8 adjustment clearance, and the lower extreme can be outside buckling on adjusting block 8, takes on sliding support 5 up and down terminal surface, prevents that adjusting block 8 from reciprocating.

The sliding support 5 is provided with a sliding support hinge hole 6, the horizontal support frame 33 is provided with a horizontal support frame hinge hole 52, and the sliding support hinge hole 6 is hinged to the horizontal support frame hinge hole 52 through the first shaft 14.

A vertical second hole 34 of the horizontal support frame is arranged in the middle of the horizontal support frame 33, a support frame threaded shaft 26 extending backwards is arranged at the upper end of the rear part of the horizontal support frame 33, a first mounting seat 32 of an execution cylinder extending downwards is arranged at the lower end of the rear part of the horizontal support frame 33, and a second mounting seat 35 of the execution cylinder extending outwards is arranged in the middle of the horizontal support frame 33; the second actuator cylinder is mounted on the actuator cylinder first mount 32.

The rear portion of the horizontal support frame 33 is provided with a vertical locking plate 29, the middle portion of the locking plate 29 is provided with a locking plate locking hole 28, the upper end of the locking plate 29 is provided with a locking plate mounting groove 7, a support frame threaded shaft 26 penetrates through the locking plate mounting groove 7 and is screwed with an adjusting nut 27, the rear end of a working arm 36 penetrates through the locking plate locking hole 28, one end of a main body of a fourth execution cylinder 30 is mounted on an execution cylinder second mounting seat 35 at the front end of the horizontal support frame 33, and the end portion of an expansion rod of the fourth execution cylinder 30 is connected with the rear end of the working arm 36.

The rear end of the horizontal support frame 33 is provided with a locking plate 29 for positioning and locking the working arm 36, a locking plate locking hole 28 which has the same shape as the hole of the horizontal support frame 33 is arranged in the middle of the locking plate 29 and is in clearance fit with the working arm 36, the locking plate 29 is pushed to position and lock the working arm 36 when the second execution cylinder 31 is ejected, the locking plate 29 returns to the original position after the second execution cylinder 31 is reset, and the working arm 36 freely moves.

The locking plate 29 can be a steel plate with the thickness of 10mm, a hexagonal hole is formed in the plate and is matched with the hexagonal surface of the working arm, the second execution cylinder 31 extends out, the locking plate is inclined, the working arm is clamped and cannot move, and the working arm can move after the locking plate returns.

The tire dismounting hook on the working arm 36 meets the rim and stops when meeting resistance, and the locking plate 29 locks the working arm to enter a tire dismounting state.

The corner of latch hook 22 is provided with latch hook intermediate hole 21, latch hook 22 one end is provided with latch hook hinge hole 23, the latch hook 22 other end is provided with latch hook strip hole 24, latch hook 22 is articulated with horizontal support frame 33 through fourth axle 20 and latch hook intermediate hole 21, be equipped with rod end hinge hole 16 and front cylinder lid hinge hole 18 on the third execution jar 19, be equipped with second hinge hole 13 on the sliding support 5, third execution jar 19 is articulated with latch hook 22 through third axle 17, front cylinder lid hinge hole 18 and latch hook hinge hole 23, third execution jar 19 is articulated with sliding support 5 through second axle 15, rod end hinge hole 16 and second hinge hole 13.

When the third actuating cylinder 19 contracts, one end attached to the pin shaft 9 of the locking hook 22 is separated from the pin shaft 9, and simultaneously the horizontal support 33 is driven to rotate, and when the third actuating cylinder 19 extends out, the horizontal support 33 reversely rotates to enable the locking hook 22 to be attached to the pin shaft 9. The lock hook is provided with a tension spring or a pressure spring to keep the opening-shaped strip hole separated from the pin shaft, enough resistance is provided to enable the lock hook to drive the working arm to rotate under the action of the third execution cylinder, and the third execution cylinder overcomes the spring resistance after positioning to enable the opening-shaped strip hole of the lock hook to be attached to the pin shaft.

The sliding support 5 is connected with a mounting plate 10 through a pin shaft 9, two sides of the mounting plate 10 are mounted on the sliding support 5 through mounting plate adjusting holes 11 and connecting bolts 12, the lower end of the pin shaft 9 penetrates through a lock hook strip-shaped hole 24, and the pin shaft 9 is matched with the lock hook strip-shaped hole 24 on the lock hook 22. When one end of the latch hook is attached to the pin shaft on the sliding support, the horizontal support frame 33 is positioned and locked.

The hinge pin is adjustable in position and replaceable, the hinge pin is used for enabling the axis of the working arm to pass through the axis of the tire dismounting machine, the hinge pin is provided with a mounting plate with strip-shaped holes, the hinge pin can be quickly replaced on the mounting plate, the mounting plate is fixed on the sliding support, and the mounting plate is fixedly connected with the sliding support through the strip-shaped holes in position adjusting and bolt fixing mode.

The pin shaft 9 is matched with a lock hook strip-shaped hole 24 on the lock hook 22, so that the positioning and locking of the working arm are realized, and the axle center of the working arm is ensured to pass through the center of the chuck plate F of the tire dismounting machine.

A clamping groove is formed in the front end face of the working arm 36, the bottom surface of the clamping groove is a working arm positioning surface 39, working arm hinge holes 38 are formed in two sides of the clamping groove, a hole is formed in the working arm positioning surface 39, a pressure spring 40 is arranged in the hole, and a jacking pin 41 is arranged at the outer end of the groove;

the middle turning part of the tire dismounting hook is provided with a tire dismounting hook hinge hole 45, and the tire dismounting hook is hinged with the working arm through the tire dismounting hook hinge hole 45, the tire dismounting hook rotating shaft 37 and the working arm hinge hole 38. The two limit planes are respectively contacted and limited with the working arm in a position changing way, and an operating system can be arranged above the fixed support.

The tire removing hook and the working arm rotate relatively, the structure realizes that the first limiting plane 42 is in contact positioning with the working arm positioning surface 39, and the second limiting plane 43 is in contact positioning with the working arm positioning surface 39 when external force is applied, so that the tire removing hook extends forwards and moves along the rim edge track to protect the rim from being damaged.

The front end of the working arm is provided with a limiting plane which is respectively contacted with a limiting surface of the tire dismounting hook, a pin hole is arranged on the limiting plane, a pressure spring and a knock pin are arranged in the pin hole, the knock pin is contacted with the first limiting plane, and the second limiting plane is normally contacted with the limiting plane at the front end of the working arm.

The front upper end of the tire dismounting hook is a right-angle-shaped hook 44, the front lower end of the tire dismounting hook is provided with a bent hook 47 bent backwards, and the front side of the bent hook 47 is provided with a protective pad 46 extending downwards. The tire removing hook is in a slingshot shape, one end of the lower part of the tire removing hook is in a hook shape and is used for inserting a tire and hooking a tire bead, the lower part of the hook shape is a smooth curved surface, the higher end of the lower part of the hook shape is a leading-in surface of the tire, the higher end of the hook shape is a smooth curved surface, the higher end of the hook shape is a leading-out surface of the tire, and the higher end of the hook shape is a smooth curved surface; the upper end is of a straight hook type, two vertical surfaces of the straight hook are smooth curved surfaces, the vertical surface is used for inserting the tire, the downward guide groove is used for guiding the tire, and the horizontal surface is used for supporting the tire out of the rim; the middle of the hook is provided with a hinge hole connected with the working arm, the end surface of the hook is provided with a first limit plane and a second limit plane, the first plane is in limit contact with the end surface of the working arm when the hook is inserted into the tire, and the second limit plane is in limit contact with the end surface of the working arm when the tire is hooked up; a plastic protection pad is arranged outside the hook, and the lower end of the protection pad is in a smooth arrow shape to play a role in guiding.

The movement track of the lower end hook of the tire removing hook extending forwards after being stressed downwards is in the shape of a rim flange, the movement track of the tire removing hook can be made to be close to the shape of the rim flange, the tire is not damaged when the tire removing hook is used, the tire removing hook moves upwards linearly when the tire is lifted upwards and is not contacted with the rim, and the tire is dismounted safely and reliably on the upper part.

The utility model discloses increased the horizontal rotation of work arm, conveniently torn open the straight hook of the upper end of child hook at tire below split tire.

The protective pad is used for protecting the wheel rim.

The cross section of the working arm 36 is a regular hexagon, and the locking plate locking hole is a regular hexagon.

The sliding support 5 comprises an upper transverse plate and a lower transverse plate, a sliding support hinge hole is formed in the rear side of the upper transverse plate, a pin shaft 9 is arranged on the front side of the upper transverse plate, and a first shaft 14 penetrates through the upper transverse plate and the lower transverse plate;

The control system can be a control box which is arranged on the fixed support, and a control handle which has the same direction with the moving direction of the tire dismounting hook is arranged on the control box and is used for controlling the movement of the power execution cylinder to realize automatic tire dismounting.

The control system 48 is provided with a second execution cylinder, a fourth execution cylinder control button 49, a third execution cylinder control button 50 and a first execution cylinder control button 51, and is used for realizing integrated automatic control and controlling the tire dismounting hook to rotate up and down, back and forth and horizontally.

The utility model discloses carry out jar power straight line and give one by one and tear the child hook open, the strength of tearing the child hook open is big, is particularly suitable for the dismouting of hard wall tire.

The installation and working process of the utility model are described below with the attached drawings:

firstly, as shown in fig. 4, the fixing bracket 1 (the middle part of the fixing bracket 1 can be provided with a connecting hole for dismounting the tire) of the utility model is installed on the box body B (or the upright post C) of the tire dismounting machine A, and is connected into a whole by screw threads, the center of the chuck F of the tire dismounting machine is ensured to be passed through the axle center of the working arm 36 by adjusting the position of the mounting plate 10, and then an auxiliary tire dismounting assistant L is installed, so that the dismounting and mounting of the complex tire can be completed. Firstly, a rim I and a tire J of an automobile tire H are peeled off by a tire shoveling mechanism of a tire dismounting machine and then clamped on a tire chuck F (as shown in figure 11); the second and fourth actuating cylinder control buttons 49, the third actuating cylinder control button 50, and the first actuating cylinder control button 51 of the operation control system 48, the protection pad 46 on the tire removing hook is attached to the annular flange of the rim I of the automobile tire H and is kept at a distance of 0mm to 3mm (shown in FIG. 5), at this time, the first limit plane 42 is in contact with the working arm positioning plane 39, the first actuating cylinder control button 51 is pressed downwards, the hook 47 is extended downwards and forwards along the rim edge and is inserted between the rim I and the tire J, the lower end of the hook 47 is moved downwards to hook the tire lip of the tire J (shown in FIG. 6), at this time, the second limit plane 43 is in contact with the working arm positioning plane 39 to be positioned, the first and fourth actuating cylinder control button 51 is pressed upwards, the lower end of the hook 47 is moved upwards to hook the tire lip of the tire J, at this time, the first limit plane 42 is in contact with the working arm positioning plane 39 (shown in FIG. 7), continuing to lift the tire flat disc F above the rim I (as shown in FIG. 8), rotating the tire flat disc F clockwise, separating the tire J from the rim along the upward guide-out groove on the hook 47, and detaching the upper layer tire; the third first execution cylinder 9 control button 50 is rotated reversely, the third execution cylinder 19 is contracted, the locking hook strip-shaped hole 24 of the locking hook 22 is separated from the pin shaft 9, the working arm and the tire dismounting hook are far away from the tire (as shown in figure 12), the first execution cylinder (4) control button 51 is pressed downwards, the tire dismounting hook moves downwards to reach the lower layer of the tire (as shown in figure 9), the third execution cylinder 19 control button 50 is rotated forwardly, the third execution cylinder 19 extends out, the working arm and the tire dismounting hook are close to the tire, the locking hook strip-shaped hole 24 of the locking hook 22 is contacted with the pin shaft 9, the working arm and the tire dismounting hook are positioned, the straight surface of the upward moving right-angle shaped hook 44 drags the tire lip of the tire J above the rim I (as shown in figure 10) by pressing the first execution cylinder control button 51 upwards, the tire flat disc F is rotated clockwise, the tire J is separated from the rim along the upward guiding groove on the hook 44, and the lower layer of the tire is dismounted.

When assembling the tire, the straight surface of the right-angle hook 44 is lower than the rim I (as shown in fig. 13), the flat tire disk F is rotated clockwise, the lower layer of the tire J is loaded into the rim I along the downward leading-in groove 55 (namely, the downward spiral surface) on the right-angle hook 44, and the lower layer of the tire is loaded into the lower layer assembly of the finished tire; the tire removal hook is moved upward to the position shown in fig. 5, the tire lip of the tire J is pressed below the hook 47, the flat tire disk F is rotated clockwise, the upper layer of the tire J is loaded into the rim I along the downward guide groove 56 on the hook 47, and the tire assembly is completed.

It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.

Claims

1. A tire dismounting device comprises a fixed support (1), and is characterized in that a vertical guide rail (2) is arranged at the upper part of the fixed support (1), the lower end of the fixed support (1) is hinged with the lower end of a vertical first execution cylinder main body, a sliding support (5) is arranged on the vertical guide rail (2), and a power output end at the upper end of the first execution cylinder is hinged with the lower end of the sliding support (5);

one side of the sliding support (5) is hinged with the rear part of the horizontal support frame (33), and a working arm (36), a second execution cylinder for driving the working arm (36) to axially lock and a fourth execution cylinder for driving the working arm (36) to axially move are arranged on the horizontal support frame (33);

the middle part of a lock hook (22) is hinged on the horizontal support frame (33), one end of the lock hook (22) is hinged with the main body of the third execution cylinder (19), the other end of the lock hook (22) is connected with a sliding support (5) in a shaft mode, and the rod end of the third execution cylinder (19) is hinged with the sliding support (5);

a tension spring (25) is connected between the lock hook (22) and the horizontal support frame (33);

the front end of the working arm (36) is hinged with a tyre dismounting hook.

2. The device for assembling and disassembling the tire according to claim 1, characterized in that the lower end of the fixed bracket (1) is provided with an actuating cylinder hinge hole (53), and two ends of the actuating cylinder are respectively hinged with the actuating cylinder hinge hole (53) on the fixed bracket (1) and the lower end of the sliding support (5) through a cylinder shaft (3).

3. A tyre mounting and dismounting device according to claim 1, characterized in that the sliding support (5) is provided with a sliding support hinge hole (6), the horizontal support frame (33) is provided with a horizontal support frame hinge hole (52), and the sliding support hinge hole (6) is hinged with the horizontal support frame hinge hole (52) through the first shaft (14).

4. The device for assembling and disassembling the tire according to claim 1, characterized in that a horizontal support frame vertical second hole (34) is arranged in the middle of the horizontal support frame (33), a support frame threaded shaft (26) extending backwards is arranged at the upper end of the rear part of the horizontal support frame (33), an execution cylinder first mounting seat (32) extending downwards is arranged at the lower end of the rear part of the horizontal support frame (33), and an execution cylinder second mounting seat (35) extending outwards is arranged in the middle of the horizontal support frame (33); the second actuating cylinder is mounted on the actuating cylinder first mounting block (32).

5. The device for assembling and disassembling the tire according to claim 1, characterized in that a vertical locking plate (29) is arranged at the rear part of the horizontal support frame (33), a locking plate locking hole (28) is arranged in the middle of the locking plate (29), a locking plate mounting groove (7) is arranged at the upper end of the locking plate (29), a support frame threaded shaft (26) penetrates through the locking plate mounting groove (7) and is screwed with an adjusting nut (27), the rear end of the working arm (36) penetrates through the locking plate locking hole (28), one end of a fourth execution cylinder (30) main body is arranged on an execution cylinder second mounting seat (35) at the front end of the horizontal support frame (33), and the end part of a telescopic rod of the fourth execution cylinder (30) is connected with the rear end of the working arm (36).

6. The tire mounting and dismounting device according to claim 1, wherein a lock hook middle hole (21) is provided at a corner of the lock hook (22), a lock hook hinge hole (23) is provided at one end of the lock hook (22), a lock hook strip-shaped hole (24) is provided at the other end of the lock hook (22), the lock hook (22) is hinged to the horizontal support frame (33) through the fourth shaft (20) and the lock hook middle hole (21), a rod end hinge hole (16) and a front cylinder cover hinge hole (18) are provided on the third actuating cylinder (19), a second hinge hole (13) is provided on the sliding support (5), the third actuating cylinder (19) is hinged to the lock hook (22) through the third shaft (17), the front cylinder cover hinge hole (18) and the lock hook hinge hole (23), and the third actuating cylinder (19) is hinged to the second shaft (15), the rod end hinge hole (16) and the second hinge hole (13) are hinged with the sliding support (5).

7. The device for assembling and disassembling the tire according to claim 1, wherein the sliding support (5) is connected with a mounting plate (10) through a pin shaft (9), two sides of the mounting plate (10) are mounted on the sliding support (5) through mounting plate adjusting holes (11) and connecting bolts (12), the lower end of the pin shaft (9) penetrates through the locking hook strip-shaped hole (24), and the pin shaft (9) is matched with the locking hook strip-shaped hole (24) on the locking hook (22).

8. The device for assembling and disassembling the tire according to claim 1, characterized in that the front end surface of the working arm (36) is provided with a clamping groove, the bottom surface of the clamping groove is a working arm positioning surface (39), two sides of the clamping groove are provided with working arm hinge holes (38), the working arm positioning surface (39) is provided with a hole, a pressure spring (40) is arranged in the hole, and the outer end of the groove is provided with a knock pin (41);

a first limiting plane (42) and a second limiting plane (43) are arranged at the rear end of the tire removing hook, the upper end of the first limiting plane (42) is connected with the lower end of the second limiting plane (43), the first limiting plane (42) is a vertical plane, and the second limiting plane (43) is a plane which is inclined upwards from back to bottom;

the middle turning part of the tire dismounting hook is provided with a tire dismounting hook hinge hole (45), and the tire dismounting hook is hinged with the working arm through the tire dismounting hook hinge hole (45), the tire dismounting hook rotating shaft (37) and the working arm hinge hole (38).

9. A tyre mounting and dismounting device according to claim 1, wherein the front upper end of the tyre dismounting hook is a right-angle hook (44), the front lower end of the tyre dismounting hook is provided with a bent hook (47) bent backwards, and the front side of the bent hook (47) is provided with a protective pad (46) extending downwards.

10. A tyre changing apparatus as claimed in claim 1, wherein the working arm (36) has a regular hexagonal cross-section and the locking plate aperture is a regular hexagonal aperture.