CN211995023U - Tire dismounting machine tire dismounting device with linkage function - Google Patents
Tire dismounting machine tire dismounting device with linkage function Download PDFInfo
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- CN211995023U CN211995023U CN202020326868.1U CN202020326868U CN211995023U CN 211995023 U CN211995023 U CN 211995023U CN 202020326868 U CN202020326868 U CN 202020326868U CN 211995023 U CN211995023 U CN 211995023U
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Abstract
The utility model relates to a tire removing device of tire removing machine with linkage function, which comprises a sliding frame of the tire removing machine, a tire removing mechanism and a crowbar component positioned below the tire removing mechanism, wherein the tire removing mechanism is arranged on the sliding frame and can perform telescopic motion relative to the sliding frame, and the crowbar component is horizontally arranged on the side part of the sliding frame and can slide and stretch back and forth relative to the sliding frame; the sliding frame is provided with a driving device for driving the tire prying mechanism and the crowbar component to do telescopic motion relative to the sliding frame. The utility model discloses sled child mechanism and crowbar subassembly can carry out independent concertina movement by the balladeur train relatively, guarantee that sled child mechanism and crowbar subassembly also can be applicable to the tire dismantlement of littleer specification, application scope is wide, and the practicality is strong, and the flexibility is good.
Description
Technical Field
The utility model relates to a tear child machine open child device with linkage function.
Background
Tire prying devices with prying plates and prying bar assemblies with prying bars on the tire dismantling machine are mounted on a sliding frame of the tire dismantling machine, the tire prying devices and the prying bar assemblies can only lift along with the sliding frame, and the tire prying devices and the prying bar assemblies cannot independently extend forwards, so that the working range of the tire prying devices and the prying bar assemblies is limited, the current tire dismantling machine is only suitable for dismantling tires with the diameter of a rim being more than 600mm, and the tire dismantling machine is mainly also a truck tire and cannot be used for dismantling tires with smaller specifications.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a child device is torn open to child machine that tears open that has wide application scope, the practicality is strong, and the flexibility is good.
The utility model discloses a following scheme realizes: a tire removing device of a tire removing machine with a linkage function comprises a sliding frame of the tire removing machine, a tire prying mechanism and a crowbar assembly positioned below the tire prying mechanism, wherein the tire prying mechanism is mounted on the sliding frame and can perform telescopic motion relative to the sliding frame, and the crowbar assembly is horizontally mounted on the side part of the sliding frame and can slide and stretch back and forth relative to the sliding frame; the sliding frame is provided with a driving device for driving the tire prying mechanism and the crowbar component to do telescopic motion relative to the sliding frame.
Furthermore, the tire prying mechanism and the crowbar assembly are driven by the same driving device to do telescopic motion, and a linkage mechanism for realizing synchronous telescopic motion of the tire prying mechanism and the crowbar assembly is arranged on the side portion of the sliding frame.
Further, the balladeur train lateral part is equipped with the activity bedplate that is driven by drive arrangement and removes, sled child mechanism install in on the activity bedplate, drive arrangement is including the guide shaft that the slope set up and the driving cylinder parallel with the guide shaft, be equipped with on the activity bedplate with guide shaft sliding fit's guide sleeve portion, the drive end of driving cylinder is connected on the guide sleeve portion of activity bedplate so that the driving cylinder drives sled child mechanism concertina movement when flexible.
Furthermore, the included angle between the guide shaft and the horizontal direction is 65-70 degrees.
Furthermore, the linkage mechanism comprises a connecting rod, a swing arm and an actuating rod, the upper end of the connecting rod is hinged to the driving end of the driving cylinder, the lower end of the connecting rod is hinged to the upper portion of the swing arm, the lower portion of the swing arm is hinged to the side portion of the sliding frame, so that the driving cylinder can push the swing arm to swing back and forth through the connecting rod when stretching, and two ends of the actuating rod are hinged to the middle of the swing arm and the crowbar.
Further, the crowbar assembly comprises a sleeve which is arranged on the side part of the sliding frame and can slide back and forth relative to the sliding frame, and a crowbar which is sleeved in the sleeve and is matched with the sleeve in a rotating mode.
Furthermore, the tire prying mechanism comprises a support connected to the movable seat plate, a prying plate is mounted at the front end of the support, the middle part of the prying plate is hinged to the support, two hooks of different sizes are arranged at two ends of the prying plate and used for prying the tire, and the directions of the hooks at the two ends of the prying plate are opposite; and the support is provided with a limiting mechanism capable of keeping the pry plate in an inclined state or a vertical state.
Furthermore, the limiting mechanism comprises a limiting cross rod which can swing up and down and can prop against the upper part of the prying plate when swinging down so as to limit the prying plate to rotate downwards and keep the prying plate in an inclined state; and a limiting ejector rod which can swing up and down and is used for enabling the front end to prop against the upper part of the prying plate to limit the prying plate to rotate backwards when the prying plate is in a vertical state is arranged above the limiting cross rod.
Furthermore, the limiting cross rod is fixedly connected with a connecting rod extending backwards, the rear end of the connecting rod is hinged to a support, and grooves matched with the two ends of the limiting cross rod are formed in the two sides of the support; the rear end of the limiting ejector rod is hinged to the support.
Further, the middle part of the pry plate is hinged to the support through a hinge shaft in rotary fit with the support, the pry plate and the hinge shaft synchronously rotate, and one end of the hinge shaft is provided with a spring damping mechanism which is used for preventing the upper part of the pry plate from rotating towards the direction far away from the limiting transverse rod and the limiting ejector rod when the pry plate is in an inclined and vertical state.
Further, spring damping mechanism includes the spring that sets up along articulated shaft diameter direction, and the spring middle part is connected in articulated shaft tip, the support lateral part is provided with the bayonet lock that can withstand spring one end wherein when the pinch plate is in slope and vertical state, install the gyro wheel on the bayonet lock.
Further, one end of the pry plate is shorter than the other end of the pry plate, the curvature of the hook part at the end with shorter length is larger than that at the end with longer length, the length of the longer end of the pry plate is 150-250 mm, and the length of the shorter end of the pry plate is 100-200 mm.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the tire prying mechanism and the crowbar assembly can perform independent telescopic motion relative to the sliding frame, so that the tire prying mechanism and the crowbar assembly can be suitable for disassembling tires with smaller specifications, and the tire prying mechanism and the crowbar assembly are wide in application range, high in practicability and good in flexibility;
(2) the tire prying mechanism and the crowbar component realize synchronous telescopic motion through linkage, so that the structure is simplified, and the structure is more compact;
(3) the prying plate with the double-head structure can be selectively used according to the size of a tire, the operation difficulty can be reduced, the tire disassembling time is saved, and the damage to the toe opening of the tire is also reduced.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to specific embodiments and related drawings.
Drawings
FIG. 1 is a side view of a tire removing machine having a tire removing device according to an embodiment of the present invention;
FIG. 2 is a side view of the tire removing device according to the embodiment of the present invention;
FIG. 3 is a schematic view of the operation of the position-limiting mandril in the vertical state of the crow plate in the embodiment of the present invention;
FIG. 4 is a schematic view of the pry plate structure according to the embodiment of the present invention;
FIG. 5 is a schematic view of the use state of the crowbar in the embodiment of the present invention when detaching the tire;
FIG. 6 is a schematic view of the crowbar in the embodiment of the present invention;
the reference numbers in the figures illustrate: 100-carriage, 110-mounting seat, 200-bracket, 210-crow plate, 211-hook part, 212-articulated shaft, 220-limit cross bar, 221-connecting rod, 230-limit ejector rod, 240-spring, 250-bayonet, 251-roller, 260-limit baffle, 300-movable seat plate, 310-guide shaft, 320-driving cylinder, 330-guide sleeve part, 340-connecting rod, 350-swing arm, 360-actuating rod, 400-sleeve, 410-crow bar, 420-guide bar, 500-tire and 600-wheel rim.
Detailed Description
As shown in fig. 1 to 6, a tire dismounting device of a tire dismounting machine with a linkage function comprises a sliding frame 100 of the tire dismounting machine, a tire prying mechanism and a crowbar assembly located below the tire prying mechanism, wherein the tire prying mechanism is mounted on the sliding frame 100 and can perform telescopic motion relative to the sliding frame, and the crowbar assembly is horizontally mounted on the side part of the sliding frame and can slide and stretch back and forth relative to the sliding frame; the sliding frame is provided with a driving device for driving the tire prying mechanism and the crowbar assembly to perform telescopic motion relative to the sliding frame; the tire prying mechanism in the tire dismounting device of the tire dismounting machine is used for dismounting tires, the crowbar component is used for dismounting tires and mounting tires, when dismounting tires, the tire prying mechanism pries the toe opening on the upper side of the tire out of a rim, the crowbar component ejects the toe opening on the lower side of the tire out of the rim, and when mounting tires, the crowbar component presses the toe opening of the tire into the rim.
The utility model discloses sled child mechanism and crowbar subassembly among the child device are torn open to child machine except can reciprocating along with the balladeur train of tearing open the child machine, can also carry out concertina movement by relative balladeur train for the crowbar of sled child mechanism can stretch out farther distance forward, and the crowbar subassembly also can stretch out farther distance forward, guarantees that sled child mechanism and crowbar subassembly also can be applicable to the tire dismantlement of less specification, and application scope is wide, and the practicality is strong, and the flexibility is good.
In this embodiment, the tire prying mechanism and the crowbar assembly are driven by the same driving device to perform telescopic motion, and a linkage mechanism for realizing synchronous telescopic motion of the tire prying mechanism and the crowbar assembly is arranged on the side part of the carriage; because the tire is used for dismounting the tire prying mechanism and the crowbar component, when the specification of the tire is reduced, the action positions of the tire prying mechanism and the crowbar component are changed together, and therefore the linkage mechanism is adopted to realize the synchronous motion of the tire prying mechanism and the crowbar component, the power source on the tire dismounting machine can be reduced, the structure is simplified, and the structure is more compact.
In this embodiment, the crowbar assembly includes a sleeve 400 mounted on the side of the carriage and capable of sliding back and forth relative thereto, and a crowbar 410 sleeved in the sleeve and rotatably engaged therewith, the front end of the crowbar being a blunt tapered structure.
In this embodiment, the side of the carriage is provided with a movable seat plate 300 driven by a driving device to move, the tire prying mechanism is mounted on the movable seat plate 300, the driving device comprises a guide shaft 310 arranged obliquely and a driving cylinder 320 parallel to the guide shaft 310, the driving cylinder adopts a hydraulic cylinder, the movable seat plate 300 is provided with a guide sleeve part 330 in sliding fit with the guide shaft 310, the driving end of the driving cylinder 320 is connected to the guide sleeve part 330 of the movable seat plate 300 so as to drive the tire prying mechanism to perform telescopic motion when the driving cylinder 320 extends and retracts, the oblique driving cylinder drives the tire prying mechanism to move back and forth and lift synchronously, and the back and forth movement and lift are combined into reciprocating telescopic motion in the oblique direction of the whole tire prying mechanism and also into reciprocating telescopic motion parallel to the direction of the guide shaft; one end of the driving cylinder 320 is hinged on the guide sleeve part 330, and the other end is hinged on the upper end of the guide shaft 310; a pair of guide shaft fixing seats for mounting guide shafts are welded on the side parts of the sliding frame; because the tire with small diameter specification and smaller width specification are adopted, the driving device realizes the front and back movement of the tire prying mechanism and the lifting movement at the same time, the structure of the driving device is simplified by one step, and meanwhile, the driving cylinder which is obliquely arranged can be more compact in structure, so that the problem that the size of the whole tire remover in the front and back directions is increased too much can be avoided; in the specific implementation process, the front-back movement, stretching and lifting movement of the tire prying mechanism can also be respectively driven by the air cylinder in the horizontal direction and the vertical air cylinder, so that the independent front-back movement, stretching and lifting movement can be realized.
In the embodiment, the included angle between the guide shaft and the horizontal direction is 65-70 degrees, preferably 68 degrees, and the tire prying device of the tire dismounting machine can be suitable for dismounting tires with the rim diameter being more than 450mm and can be suitable for tires with more specifications.
In this embodiment, the linkage mechanism is located above the crowbar assembly, the linkage mechanism includes a connecting rod 340, a swing arm 350 and an actuating lever 350, the upper end of the connecting rod 340 is hinged to the driving end of the driving cylinder 320, the lower end of the connecting rod 340 is hinged to the upper part of the swing arm 350, the lower part of the swing arm 350 is hinged to the side part of the carriage 100, so that the driving cylinder pushes the swing arm to swing back and forth through the connecting rod when telescoping, two ends of the actuating lever are respectively hinged to the middle part of the swing arm and the crowbar assembly, and the actuating lever is; when the driving cylinder extends, the upper part of the swing arm is pushed by the connecting rod to swing forwards, and then the actuating rod is pushed forwards, so that the sleeve is pushed forwards and extends out.
In this embodiment, two mounting seats 110 for mounting a crowbar assembly are welded on the side of the carriage 100 in tandem, and two ends of the sleeve 400 of the crowbar assembly are mounted in the mounting holes of the two mounting seats 110 and can slide back and forth relative to the two mounting seats 110; the lateral part of the front end of the sleeve 400 is provided with a guide strip 420 parallel to the axial lead of the sleeve, the lateral part of a mounting seat mounting hole in front is provided with a sliding groove in sliding fit with the guide strip 420 to limit the sleeve to rotate, and the lower part of the swing arm is hinged on a mounting seat at the rear.
In this embodiment, the tire prying mechanism includes a bracket 200 connected to the movable seat plate, the rear end of the bracket is hinged to the movable seat plate and can swing left and right, a hinge part at the rear end of the bracket is provided with a limit baffle 260 for limiting the leftward swing limit position of the bracket, the leftward swing limit position of the bracket is perpendicular to the front side surface of the carriage (i.e. when the leftward swing limit position is consistent with the front-back direction), the limit baffle abuts against the left side surface of the movable seat plate to limit the bracket to continuously swing left, and this position is also the working position of the tire prying mechanism, and a chuck on the tire remover drives the tire to rotate counterclockwise (overlooking direction) when the tire remover works, so that the bracket cannot continuously swing left along with the rotation of the tire after; a prying plate 210 is installed at the front end of the support 200, the middle part of the prying plate 210 is hinged on the support, two hooks 211 for prying the tire are arranged at two ends of the prying plate 210, the sizes of the two hooks 211 are different, and the directions of the hooks 211 at the two ends of the prying plate 210 are opposite; the bracket 200 is provided with a limiting mechanism which can keep the pry plate 210 in an inclined state or a vertical state with a low front part and a high back part; the tire prying mechanism is characterized in that a prying plate on the tire prying mechanism is provided with two hook parts with different sizes, the two hook parts are respectively used corresponding to tires with different specifications, one hook part at one end is suitable for the tire with the outer diameter of more than 800mm (including 800 mm), the hook part at the other end is suitable for the tire with the outer diameter of less than 800mm, the prying plate is arranged on a support in a rotating mode and can be switched to use through rotation, when the prying plate is in an inclined state, a tire dismounting machine inserts the hook part of the prying plate into the space between the tire and a rim, then the prying plate is rotated to a vertical state; therefore, the tire prying mechanism provided by the invention is provided with the prying plates of the double-head structure corresponding to tires of different specifications, can be selected for use according to the size of the tire, is better in flexibility and strong in practicability, and the tire is matched with the hook part with more appropriate size, so that the operation difficulty can be reduced, the tire disassembling time can be saved, and the damage to the toe opening of the tire can be reduced.
In this embodiment, the limiting mechanism includes a limiting cross bar 220 capable of swinging up and down and propping against the upper part of the pry plate to limit the downward rotation of the pry plate when swinging down so as to keep the pry plate in an inclined state; a limiting ejector rod 230 which can swing up and down and is used for enabling the front end to abut against the upper part of the pry plate 210 to limit the pry plate to rotate backwards when the pry plate is in a vertical state is arranged above the limiting cross rod 220, and when the pry plate is in an inclined state, the limiting ejector rod 230 is pressed on a hook part at the upper end of the pry plate; as shown in fig. 1, when the limiting cross bar 220 and the limiting top bar 230 are both in the upward swinging state, the pry plate can rotate clockwise or counterclockwise in a whole circle under manual poking operation; when the limiting cross rod 220 is in a downward swinging state, the prying plate can only rotate clockwise for a whole circle under manual shifting operation, the limiting cross rod is shifted upwards at times in the rotating process, and when the prying plate rotates anticlockwise, the upper part of the prying plate is propped by the limiting cross rod; when spacing horizontal pole 220 and spacing ejector pin all were in the lower hem state, the sled board still can rotate at clockwise whole week under the operation is stirred to the people to rotating the in-process and from time to time stirring up spacing horizontal pole and spacing ejector pin, and during anticlockwise rotation, sled board upper portion then can be withstood by spacing ejector pin.
In this embodiment, the limiting cross bar 220 is fixedly connected with a connecting rod 221 extending backwards, and the rear end of the connecting rod is hinged to the bracket, so that the limiting cross bar can swing up and down around the hinged point of the connecting rod; grooves matched with two ends of the limiting cross rod are formed in two sides of the support 200; the rear end of the limit top rod 230 is hinged to the support, so that the limit top rod can enable the self hinged point to swing up and down.
In this embodiment, the middle part of the pry plate 210 is hinged to the bracket through a hinge shaft 212 which is rotatably matched with the bracket, the pry plate and the hinge shaft 212 are matched with the key slot through a key to realize synchronous rotation, and one end of the hinge shaft 212 is provided with a spring damping mechanism which is used for preventing the upper part of the pry plate from rotating in the direction away from the limiting cross rod and the limiting mandril when the pry plate is in an inclined and vertical state; the spring damping structure has the advantages that when the prying plate rotates clockwise to the position that the upper part of the prying plate is just in an inclined state after passing through the limiting cross rod, a torque force rotating anticlockwise is provided for the prying plate, so that the upper part of the prying plate can abut against the limiting cross rod, the prying plate is kept in an inclined working state, and the lower part of the prying plate is prevented from swinging downwards; and when the prying plate rotates to the vertical state after the upper part of the prying plate just passes through the limiting ejector rod along the clockwise direction, the anticlockwise rotating torque is also provided for the prying plate, so that the upper part of the prying plate can abut against the limiting ejector rod, the prying plate is kept in the vertical working state, and the prying plate is prevented from rotating clockwise.
In this embodiment, the spring damping mechanism includes a spring 240 arranged along the diameter direction of the hinge shaft, a sleeve is welded at the end of the hinge shaft, the spring is inserted into the sleeve and passes through a screw and a screw spring at the side of the sleeve, the middle part of the spring 240 is connected to the end of the hinge shaft, a bayonet 250 capable of propping against one end of the spring when the pry plate is in an inclined and vertical state is arranged at the side of the bracket, and a roller 251 is mounted on the bayonet; when the prying plate is in an inclined and vertical state under manual operation, the backward end of the spring is arranged on the lower side of the clamping pin, so that the spring is ensured to provide the prying plate with a counterclockwise torsion, the prying plate can be stably kept in the inclined and vertical state under the condition of no manual operation, and the spring is separated from the clamping pin only when the prying plate is manually pulled to continuously rotate clockwise; therefore certain length will be guaranteed at the spring both ends, just can guarantee when the sled board is in slope and vertical state, the spring tip does not break away from the bayonet lock, and in this embodiment, spring both ends length is 4~5cm, and bayonet lock and articulated shaft centre-to-centre spacing are about 3 cm.
In the embodiment, the length of one end of the prying plate is smaller than that of the other end, the curvature of the hook part at the end with the shorter length is larger than that at the end with the longer length, the hook parts at the two ends of the prying plate are both arc-shaped, the length H2 of the longer end of the prying plate is 30-80 mm longer than that of the short end H1, and the length H2 of the longer end of the prying plate is 150-250 mm, preferably 200 mm; the length H1 of the shorter end is 100-200 mm, preferably 165 mm; the radius R2 of the inner side of the hook part at the longer end of the pry plate is 145-150 mm, preferably 148mm, and the radius R1 of the inner side of the hook part at the longer end of the pry plate is 40-45 mm, preferably 43 mm; the arc length of the outer side of the hook part with large curvature is 40-50 mm, preferably 45mm, and the hook part with small curvature is 70-80 mm, preferably 75 mm.
During the working process of the tire prying mechanism, when the diameter of a disassembled tire is not less than 800mm, the tire is disassembled by adopting the hook part with the longer end of the prying plate and the smaller curvature of the hook part; when the diameter of the disassembled tire is smaller than 800mm, the tire is disassembled by adopting the short end of the prying plate and the hook part with the larger curvature; the tire dismounting operation process comprises: (1) controlling the carriage of the tire dismounting machine to descend so that the hook part of the prying plate is inserted between the toe opening and the rim of the tire; (2) the tire is adjusted to be in a horizontal state, and the pry plate rotates to be in a vertical state; (3) controlling the carriage of the tire dismounting machine to lift a certain height, and levering the part of the toe opening on the upper side of the tire, which is hooked by the hook part, out of the rim by utilizing a levering plate; (4) then the tire chuck drives the tire to rotate, so that the whole toe opening of the tire is separated from the rim; (5) continuously lifting the sliding frame of the tire dismounting machine upwards to enable the crowbar to prop the lower side of the tire upwards and push the toe opening at the lower side of the tire out of the rim by propping the part of the crowbar; (6) the tire chuck drives the tire to rotate, so that the whole circle of toe openings at the lower side of the tire is separated from the rim by the crow bar.
When the tire is mounted, the sliding frame of the tire dismounting machine is controlled to descend so that the crowbar presses the upper side of the tire and presses the toe opening part of the tire corresponding to the pressing position of the crowbar into the rim, and then the tire chuck drives the tire to rotate so that the whole circle of the toe opening of the tire is pressed into the rim by the crowbar.
Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.
The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.
The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (9)
1. The utility model provides a tear child machine open child device with linkage function, includes the balladeur train of tearing the child machine open, sled child mechanism and be located sled child mechanism below crowbar subassembly, its characterized in that: the tire prying mechanism is mounted on the sliding frame and can perform telescopic motion relative to the sliding frame, and the crowbar assembly is horizontally mounted on the side part of the sliding frame and can slide and stretch back and forth relative to the sliding frame; the sliding frame is provided with a driving device for driving the tire prying mechanism and the crowbar component to do telescopic motion relative to the sliding frame.
2. The tire dismounting device of the tire dismounting machine with linkage function according to claim 1, characterized in that: the tire prying mechanism and the crowbar component are driven by the same driving device to do telescopic motion, and the lateral part of the sliding frame is provided with a linkage mechanism for realizing synchronous telescopic motion of the tire prying mechanism and the crowbar component.
3. The tire dismounting device of the tire dismounting machine with linkage function according to claim 2, characterized in that: the balladeur train lateral part is equipped with the activity bedplate that is driven by drive arrangement and removes, sled child mechanism install in on the activity bedplate, drive arrangement is including the guide shaft that the slope set up and the driving cylinder parallel with the guide shaft, be equipped with on the activity bedplate with guide shaft sliding fit's guide sleeve portion, the drive end of driving cylinder is connected on the guide sleeve portion of activity bedplate so that drive sled child mechanism concertina movement when the driving cylinder is flexible.
4. A tyre removing device of tyre removing machine with linkage function as claimed in claim 3, wherein: the linkage mechanism comprises a connecting rod, a swing arm and an actuating rod, the upper end of the connecting rod is hinged to the driving end of the driving cylinder, the lower end of the connecting rod is hinged to the upper portion of the swing arm, the lower portion of the swing arm is hinged to the side portion of the sliding frame, so that the driving cylinder can push the swing arm to swing back and forth through the connecting rod when stretching, and two ends of the actuating rod are hinged to the middle of the swing arm and the.
5. A tyre removing device of tyre removing machine with linkage function according to claim 1, 2, 3 or 4, characterized in that: the crowbar component comprises a sleeve which is arranged on the side part of the sliding frame and can slide back and forth relative to the sliding frame and a crowbar which is sleeved in the sleeve and is matched with the sleeve in a rotating way.
6. A tyre removing device of tyre removing machine with linkage function according to claim 1, 2, 3 or 4, characterized in that: the tire prying mechanism comprises a support, a prying plate is mounted at the front end of the support, the middle part of the prying plate is hinged to the support, two hooks of different sizes are arranged at two ends of the prying plate and used for prying the tire, and the directions of the hooks at the two ends of the prying plate are opposite; and the support is provided with a limiting mechanism capable of keeping the pry plate in an inclined state or a vertical state.
7. A tyre removing device of tyre removing machine with linkage function as claimed in claim 6, wherein: the limiting mechanism comprises a limiting cross rod which can swing up and down and can prop against the upper part of the prying plate when swinging down so as to limit the prying plate to rotate downwards and keep the prying plate in an inclined state; and a limiting ejector rod which can swing up and down and is used for enabling the front end to prop against the upper part of the prying plate to limit the prying plate to rotate backwards when the prying plate is in a vertical state is arranged above the limiting cross rod.
8. A tyre removing device of tyre removing machine with linkage function as claimed in claim 7, wherein: the middle part of the prying plate is hinged on the support through a hinge shaft which is rotationally matched with the support, the prying plate and the hinge shaft synchronously rotate, and one end of the hinge shaft is provided with a spring damping mechanism which is used for preventing the upper part of the prying plate from rotating towards the direction far away from the limiting transverse rod and the limiting ejector rod when the prying plate is in an inclined and vertical state; spring damping mechanism includes the spring that sets up along articulated shaft diameter direction, and the spring middle part is connected in articulated shaft tip, the support lateral part is provided with the bayonet lock that can withstand spring one end wherein when the pinch plate is in slope and vertical state, install the gyro wheel on the bayonet lock.
9. A tyre removing device of tyre removing machine with linkage function as claimed in claim 6, wherein: wherein one end length of the pry plate is less than the other end length, the hook portion curvature of the shorter end of the pry plate is greater than the hook portion curvature of the longer end of the pry plate, the longer end of the pry plate is 150-250 mm, and the shorter end of the pry plate is 100-200 mm.
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CN202020326868.1U CN211995023U (en) | 2020-03-17 | 2020-03-17 | Tire dismounting machine tire dismounting device with linkage function |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111284281A (en) * | 2020-03-17 | 2020-06-16 | 池学建 | Tire dismounting device of tire dismounting machine with linkage function and working method of tire dismounting device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111284281A (en) * | 2020-03-17 | 2020-06-16 | 池学建 | Tire dismounting device of tire dismounting machine with linkage function and working method of tire dismounting device |
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