CN111169233A - Telescopic tire dismounting machine tire prying device and working method thereof - Google Patents
Telescopic tire dismounting machine tire prying device and working method thereof Download PDFInfo
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- CN111169233A CN111169233A CN202010184130.0A CN202010184130A CN111169233A CN 111169233 A CN111169233 A CN 111169233A CN 202010184130 A CN202010184130 A CN 202010184130A CN 111169233 A CN111169233 A CN 111169233A
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- tyre
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000000694 effects Effects 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 7
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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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
- B60C25/015—Apparatus or tools adapted for mounting, removing or inspecting tyres for removing tyres from or mounting tyres on wheels for only breaking the beads
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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
- B60C25/0506—Machines for demounting only
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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
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention relates to a telescopic tire prying device of a tire disassembling machine and a working method thereof. The tire prying mechanism on the tire prying device of the telescopic tire remover can perform independent telescopic motion relative to the sliding frame, ensures that the tire prying mechanism can also be suitable for tire disassembly with smaller specifications, and has the advantages of wide application range, strong practicability and good flexibility.
Description
Technical Field
The invention relates to a telescopic tire prying device of a tire dismounting machine and a working method thereof.
Background
The tire prying device with the prying plate on the tire disassembling machine is arranged on a sliding frame of the tire disassembling machine, the tire prying device can only lift along with the sliding frame, and the tire prying device cannot independently extend forwards, so that the working range of the tire prying device is limited, and the conventional tire disassembling machine is only suitable for disassembling tires with the rim diameter being more than 600mm, mainly truck tires and cannot be used for disassembling tires with smaller specifications.
Disclosure of Invention
In view of this, the invention aims to provide a retractable tire-dismounting machine tire-prying device which is wide in application range, strong in practicability and good in flexibility and a working method thereof.
The invention is realized by adopting the following scheme: the utility model provides a telescopic tire machine sled child device of tearing open, is including the balladeur train and the sled child mechanism of tearing open the child machine, sled child mechanism installs on the balladeur train and can carry out concertina movement relatively the balladeur train, be provided with on the balladeur train and be used for driving sled child mechanism and carry out concertina movement's drive arrangement mutually.
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 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.
The other technical scheme of the invention is as follows: when the diameter of a disassembled tire is not less than 800mm, a hook part with a longer end of a prying plate and a smaller curvature of the hook part is adopted for tire disassembly; when the diameter of the disassembled tire is smaller than 800mm, the tire disassembling operation is carried out by adopting the short end of the prying plate and the hook part with the larger curvature of the hook part, the height of the sliding frame is adjusted according to the diameter of the disassembled tire rim, the tire prying mechanism is controlled to stretch by the driving device to adjust the position of the sliding frame, the prying plate on the tire prying mechanism is aligned to the position between the toe opening and the tire rim, and then the tire disassembling operation is started.
Compared with the prior art, the invention has the following beneficial effects:
(1) the tire prying mechanism can perform independent telescopic motion relative to the sliding frame, the tire prying mechanism can be guaranteed to be suitable for disassembling tires with smaller specifications, and the tire prying mechanism is wide in application range, high in practicability and good in flexibility;
(2) 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 accompanying drawings.
Drawings
FIG. 1 is a side view of a tire remover with a tire prying apparatus according to an embodiment of the invention;
FIG. 2 is a side view of a tire prying device according to an embodiment of the invention;
FIG. 3 is a schematic diagram of the operation of the position-limiting ejector rod in the vertical state of the pry plate in the embodiment of the invention;
FIG. 4 is a schematic illustration of a pry plate configuration according to an embodiment of the invention;
the reference numbers in the figures illustrate: 100-carriage, 200-bracket, 210-pry plate, 211-hook part, 212-articulated shaft, 220-limit cross bar, 221-connecting rod, 230-limit ejector rod, 240-spring, 250-bayonet lock, 251-roller, 260-limit baffle, 300-movable seat plate, 310-guide shaft, 320-driving cylinder and 330-guide sleeve part.
Detailed Description
As shown in fig. 1 to 4, a retractable tire prying device of a tire removing machine comprises a carriage 100 of the tire removing machine and a tire prying mechanism, wherein the tire prying mechanism is mounted on the carriage 100 and can perform telescopic motion relative to the carriage, and a driving device for driving the tire prying mechanism to perform telescopic motion is arranged on the carriage; this application is torn open sled child mechanism of child machine sled child device and is except can reciprocating along with the balladeur train of tearing open the child machine, can also carry out independent concertina movement by relative balladeur train for the sled board of sled child mechanism can stretch out farther distance forward, guarantees that sled child mechanism 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 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 lifting motion while realizing the front-and-back motion of the tire prying mechanism, and the structure of the driving device is simplified by one step; 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, so that the tire prying device of the tire remover can be suitable for detaching tires with the rim diameter of more than 450mm, and the applicable tire specifications are greatly increased.
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.
In the working process of the tire prying mechanism, when the diameter of the 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 specific tire dismounting operation process comprises the following steps: the tire that will adorn on tire chuck is torn open to the tire and is adjusted the high tilt state in low back in the front, and the sled board is also adjusted to the tilt state of front end downward sloping, tears open the tire machine and inserts sled board hook portion between tire and rim, then the tire is adjusted to the horizontality and makes the sled board along with rotating to vertical state, and the control tears open the tire machine balladeur train and lifts a take the altitude, utilizes sled board hook portion to prize out the tire toe mouth at position from the rim, then the tire chuck drives the tire rotation, makes whole circle of toe mouth of tire break away from in the rim.
When the diameter of the disassembled tire is not less than 800mm, a hook part with a longer end of a prying plate and a smaller curvature of the hook part is adopted for tire disassembly; when the diameter of the disassembled tire is smaller than 800mm, the tire is disassembled by adopting the hook part with the shorter end of the prying plate and the larger curvature of the hook part, the tire arranged on the tire chuck of the tire disassembling machine is adjusted to be in an inclined state with the front end low and the rear high, the prying plate is also adjusted to be in an inclined state with the front end inclined downwards, the height of the sliding frame is adjusted according to the diameter of the disassembled tire rim, the tire prying mechanism is controlled to stretch by the driving device to adjust the position of the sliding frame, the hook part of the prying plate on the tire prying mechanism is aligned with the position between the toe opening and the tire rim, and;
in this embodiment, the tire removal operation process includes the following steps: (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 circle of toe opening on the upper side of the tire is separated from the wheel rim.
Any embodiment disclosed herein above is meant to disclose, unless otherwise indicated, all numerical ranges disclosed as being preferred, and any person skilled in the art would understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Since the numerical values are too numerous to be exhaustive, some of the numerical values are disclosed in the present invention to illustrate the technical solutions of the present invention, and the above-mentioned numerical values should not be construed as limiting the scope of the present invention.
If the invention discloses or relates to parts or structures which are fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: 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, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.
Any part provided by the invention can be assembled by a plurality of independent components or can be manufactured by an integral forming process.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a telescopic tire dismounting machine sled child device, includes the balladeur train and the sled child mechanism of dismounting the child machine, 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 a driving device for driving the tire prying mechanism to perform telescopic motion is arranged on the sliding frame.
2. The retractable tyre detacher tyre prying device as recited in claim 1, wherein: 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.
3. The retractable tyre detacher tyre prying device as recited in claim 2, wherein: the included angle between the guide shaft and the horizontal direction is 65-70 degrees.
4. The retractable tyre detacher tyre prying device as recited in claim 1 or 2, wherein: 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.
5. The retractable tyre detacher tyre prying device as recited in claim 4, 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.
6. The retractable tyre detacher tyre prying device as recited in claim 5, wherein: 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.
7. The retractable tyre detacher tyre prying device as recited in claim 5, wherein: the middle of the prying plate is hinged to the support through a hinge shaft in rotary fit 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.
8. The retractable tyre detacher tyre prying device as recited in claim 7, wherein: 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. The retractable tyre detacher tyre prying device as recited in claim 4, 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.
10. The working method of the retractable tyre disassembling machine tyre prying device as claimed in claim 9, is characterized in that: when the diameter of the disassembled tire is not less than 800mm, the tire is disassembled by adopting the longer end of the prying plate and the hook part with smaller curvature; 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 of the hook part, the height of the sliding frame is adjusted according to the diameter of the disassembled tire rim, the tire prying mechanism is controlled to stretch by the driving device to adjust the position of the sliding frame, the prying plate on the tire prying mechanism is aligned to the position between the toe opening and the tire rim, and then the tire disassembling operation is started.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010184130.0A CN111169233A (en) | 2020-03-17 | 2020-03-17 | Telescopic tire dismounting machine tire prying device and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010184130.0A CN111169233A (en) | 2020-03-17 | 2020-03-17 | Telescopic tire dismounting machine tire prying device and working method thereof |
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| CN111169233A true CN111169233A (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010184130.0A Pending CN111169233A (en) | 2020-03-17 | 2020-03-17 | Telescopic tire dismounting machine tire prying device and working method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113927607A (en) * | 2020-06-29 | 2022-01-14 | 浙江艾普斯顿车业有限公司 | Double-head tire-removing mechanical arm and tire-removing equipment using same |
| CN113928061A (en) * | 2020-06-29 | 2022-01-14 | 浙江艾普斯顿车业有限公司 | Telescopic pressure rod mechanism and tire removing equipment using same |
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| CN113928061A (en) * | 2020-06-29 | 2022-01-14 | 浙江艾普斯顿车业有限公司 | Telescopic pressure rod mechanism and tire removing equipment using same |
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