CN211995025U

CN211995025U - Telescopic tire prying device of tire dismounting machine

Info

Publication number: CN211995025U
Application number: CN202020326911.4U
Authority: CN
Inventors: 池学建
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-11-24
Anticipated expiration: 2030-03-17

Abstract

The utility model relates to a telescopic tire removing machine sled child device, including the balladeur train and the sled child mechanism of removing the child machine, sled child mechanism installs on the balladeur train and can carry out concertina movement by the relative 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. The utility model discloses the skid-mounted tire mechanism on the telescopic tire dismounting machine skid-mounted tire device can carry out independent concertina movement by the relative balladeur train, guarantees that skid-mounted tire mechanism also can be applicable to the tire dismantlement of littleer specification, and application scope is wide, and the practicality is strong, and the flexibility is good.

Description

Telescopic tire prying device of tire dismounting machine

Technical Field

The utility model relates to a telescopic tire dismounting machine sled child device.

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.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a telescopic tire dismounting machine sled child device that application scope is wide, and the practicality is strong, and the flexibility is good.

The utility model discloses a following scheme realizes: 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.

Compared with the prior art, the utility model discloses following beneficial effect has:

(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 related drawings.

Drawings

FIG. 1 is a side view of a tire removing machine with a tire prying device according to an embodiment of the present invention;

FIG. 2 is a side view of a tire prying device according to an 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;

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 utility model discloses sled board on sled child mechanism has two hook portions of different sizes, correspond the tire of different specifications respectively and use, wherein one end hook portion is applicable to the tire of external diameter more than 800mm (including 800 mm), the hook portion of the other end is applicable to the tire of external diameter below 800mm, the sled board adopts the pivoted mode to install on the support, can switch over the use through rotating, when the sled board is in the tilt state, the tire dismounting machine inserts sled board hook portion from between tire and the rim, then rotates the sled board to vertical state, utilize hook portion to prize out the tire toe mouth from the rim; therefore the utility model discloses sled child mechanism possesses the sled board that corresponds the double-end structure of different specification tires, can select to use according to the tire size, and the flexibility is better, and the practicality is strong, and the tire cooperates with the hook portion that the size is more fit for moreover, can reduce the operation degree of difficulty, practices thrift and tears open the child time, also reduces the damage to tire toe mouth.

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 longer end of the prying plate and the hook part with 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 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; the specific tire dismounting operation process comprises the following steps: the sliding frame of the tire dismounting machine is controlled to descend so that the hook part of the prying plate is inserted between the toe opening of the tire and the rim, then the tire is adjusted to be in a horizontal state, the prying plate is rotated to be in a vertical state, the sliding frame of the tire dismounting machine is controlled to be lifted to a certain height, the part, hooked by the hook part, of the toe opening on the upper side of the tire is pried out of the rim by the prying plate, then the tire chuck drives the tire to rotate, and the whole circle of the toe opening on the upper side of the.

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

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.