CN201472089U - Jack tyre press for demounting tyres - Google Patents
Jack tyre press for demounting tyres Download PDFInfo
- Publication number
- CN201472089U CN201472089U CN2009201373386U CN200920137338U CN201472089U CN 201472089 U CN201472089 U CN 201472089U CN 2009201373386 U CN2009201373386 U CN 2009201373386U CN 200920137338 U CN200920137338 U CN 200920137338U CN 201472089 U CN201472089 U CN 201472089U
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- tyre
- bracket
- tire
- disc
- plate
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Abstract
The utility model relates to a jack tyre press for demounting tyres, which comprises a rack. The jack tyre press is characterized in that a rim positioning mechanism making axial expansion along a tyre is arranged at one side end of the rack facing to the tyre rim, a tyre peripheral part positioning mechanism is arranged at the other side end of the rack facing to the tyre rim, a device capable of blocking a tyre casing to separate the tyre casing from the rim when the rim positioning mechanism makes expansion travel is also arranged on the rack, the rim positioning mechanism comprises a disc body in contact with the inner side edge of a web plate from one side of a rim opening for the purpose of positioning, a disc-shaped convex seat in contact with the inner edge of a center hole of the web plate is arranged on the outer side edge of the disc body, a buckle claw capable of radially retracting or stretching in the center hole of the web plate is arranged on the outer side edge of the disc-shaped convex seat, and a first buckle body capable of buckling the inner edge on the outer side of the web plate is arranged on the buckle claw. The jack tyre press facilitates the disassembly and installation of the parts for tyres, saves both the time and labor, and has easy operation, thereby facilitating the improvement of the operating efficiency.
Description
Technical field
The utility model relates to the very heavy of a kind of remove a tyre and takes off.
Background technology
Maintenance or when changing the parts (as back-up ring, cover tire, the inner tube of a tyre) of vehicle tyre at first needs back-up ring is split out from tire.Present method for dismounting is next by manually with crowbar back-up ring being prized, and labour intensity is very big, wastes time and energy, and when especially dismantling the tire of various heavy goods vehicles, the maintainer is beaten one's brains.
Summary of the invention
The purpose of this utility model is that the very heavy of a kind of remove a tyre taken off, and this device helps dismantling easily and installing the parts of tire, and is time saving and energy saving, and simple to operate, helps increasing work efficiency.
Device of the present utility model is achieved in that it comprises frame; it is characterized in that: described frame is provided with towards tyre rim opening one side can be along the flexible wheel rim detent mechanism of tire axial; another side is provided with tire outer edge detent mechanism; also be provided with on the described frame and when the wheel rim detent mechanism stretches stroke, can block the device that Outer Tyre breaks away from Outer Tyre and wheel rim; described wheel rim detent mechanism comprises the disc that can contact the location from wheel rim opening one side with the disc medial margin; described disc external side end is provided with and the protruding seat of the contacted dish type of inner edge of the mesopore of disc; the protruding seat of described dish type external side end is provided with and can radially draws in or open button pawl in the mesopore of disc, and described button pawl is provided with first button that can fasten disc outside inner edge.
The utility model has the advantages that reasonable in designly, structure is unique, and is simple to operate, time saving and energy saving, helps increasing work efficiency.
Description of drawings
Fig. 1 is the front view of specific embodiment of the utility model.
Fig. 2 is the birds-eye view of specific embodiment of the utility model.
Fig. 3 is the organigram of button pawl of the present utility model.
Organigram when Fig. 4 does not overlap for four stripe board of the present utility model.
Fig. 5 is the organigram after four stripe board of the present utility model overlap.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is further elaborated.
As shown in the figure; the very heavy of remove a tyre of the present utility model taken off; comprise frame 41; it is characterized in that: described frame is provided with towards tyre rim opening one side can be along the flexible wheel rim detent mechanism 14 of tire axial; another side is provided with tire outer edge detent mechanism 45; also be provided with on the described frame and when the wheel rim detent mechanism stretches stroke, can block the device 30 that Outer Tyre breaks away from Outer Tyre and wheel rim; described wheel rim detent mechanism comprises the disc 10 that can contact the location from wheel rim opening one side with the disc medial margin; described disc external side end is provided with and the protruding seat 11 of the contacted dish type of inner edge of the mesopore of disc; the protruding seat of described dish type external side end is provided with and can radially draws in or open button pawl 16 in the mesopore of disc, and described button pawl is provided with first button that can fasten disc outside inner edge.
Above-mentioned frame is made of the L bracket 43 that tire outer edge detent mechanism is installed and shape support 42 two parts that turn that the wheel rim detent mechanism is installed, the transverse part 40 of described L bracket is socketed in transverse part 39 inner chambers that turn the shape support, and can slide with respect to the transverse part that turns the shape support, be provided with one first oil cylinder or cylinder 37 in the transverse part inner chamber of described L bracket, the cylinder barrel of described first oil cylinder or cylinder is captiveed joint with the transverse part that turns the shape support, captiveing joint with the transverse part of L bracket in the outer end of the piston rod of described first oil cylinder or cylinder, slides with respect to turning the shape support to drive L bracket.
The longitudinal part 5 of above-mentioned L bracket is provided with the Lifting for tyre mechanism 44 that portion longitudinally slides up and down, described Lifting for tyre mechanism comprises a pair of pressure pin 25 that is used to hold tire, the end of described pressure pin vertically is connected with slide plate 2 respectively, described slide plate matches with first chute 3 of the longitudinal part two side ends of being located at L bracket respectively and is connected, and described Lifting for tyre mechanism is driven to realize the lifting of tire by one second oil cylinder or cylinder 1.
Above-mentioned tire outer edge detent mechanism is located on the longitudinal part of L bracket and is positioned at the top of Lifting for tyre mechanism, described tire outer edge detent mechanism comprises the positioning mandril assembly 7 of two groups of opening and closing synchronously, described positioning mandril assembly is made of a pair of positioning mandril respectively, the first positioning mandril assembly above described being positioned at is driven to move up and down along second chute on the longitudinal part of L bracket by one the 3rd oil cylinder or the cylinder 4 of the longitudinal part inner chamber of being located at L bracket, described tire outer edge detent mechanism also includes a steel cable 22 that is the open loop shape, two pulleys 6 at the longitudinal part two ends of being located at L bracket are walked around at the two ends up and down of described steel cable respectively, 23, the two ends that described steel cable cut-offs mouth are fixedly connected on respectively on the upper and lower side of the second positioning mandril assembly, and the described first positioning mandril assembly is captiveed joint with the steel cable section of passing it.
Above-mentioned positioning mandril is made of sleeve 19 that is hollow shape and the apical axis 8 that is set in sleeve inner, the end that described apical axis passes sleeve is used to withstand the tire outer edge, the other end is provided with a shaft shoulder 20, the corresponding side of the longitudinal part of the described shaft shoulder and L bracket is provided with a longitudinal part and the spring on the shaft shoulder 21 that is connected L bracket, and described sleeve outer end is provided with hook sheet 18.
Be connected with a cam-like opening hook sheet 24 that is used to be hooked on the back-up ring through chain on the above-mentioned L bracket, described turning on the shape support is connected with a pair of L shaped hook 32 that is used to be hooked on the cover tire medial margin through chain.
Being hinged with two on the longitudinal part of above-mentioned L bracket is used to push down the cover tire of tire back-up ring peripheral part so that occur first depression bar 17 and second depression bar 9 in gap between cover tire and the back-up ring, it is parallel with the transverse part of L bracket or vertical with the transverse part of L bracket that described first depression bar and second depression bar can turn to, and the outer end of described first depression bar is T type shape.
The protruding seat of above-mentioned dish type external side end evenly is laid with several and is used for the contacted L shaped supporting seat of inner edge with the disc mesopore of minor diameter tire, the button pawl of the protruding seat of described dish type external side end is four, also be provided with one second button on the described button pawl, described first button is by first plate 50 of being located at the disc medial extremity, second plate 48 of the protruding seat of dish type external side end and the 3rd plate 49 formations that are used to connect first plate and second plate that can in the disc fluting, radially slide along disc, described second button is by second plate, the 5th plate 47 that the 4th plate 46 that parallels with second plate and being used to is connected second plate and the 4th plate constitutes.
The side that above-mentioned button pawl is adjacent with the axle center of disc is provided with the stripe board 15 that a middle part has slotted hole, described four stripe board overlap on respectively together, after overlapping mutually, its four slotted holes form a square hole, be equipped with tooth on the four edges of described composition square hole, be used for and be set in gear wheel shaft 13 in the square hole and match and be connected, the external side end of described camshaft is provided with a hand-held runner 12, so that the button pawl carries out opening and closing synchronously when hand-held runner rotates.
The above-mentioned longitudinal part that turns the shape support 35 upper ends are provided with a supporting seat 33 that is parallel to the transverse part that turns the shape support towards a side of L bracket, described supporting seat and turn the perpendicular vertical shaft 31 that is provided with between the transverse part of shape support, upper end one pivot pin 34 of described vertical shaft is set in the axis hole of supporting seat, the lower end of described vertical shaft is with a perpendicular protruding axle 29 that is located on the transverse part that turns the shape support, the bottom of described vertical shaft is supported in the shaft shoulder portion of protruding axle, the bottom of described vertical shaft also is provided with a keyway 36, described protruding outer shaft sleeve is provided with one can be along the protruding axle sleeve 27 that slide up and down certain stroke, the bottom of described axle sleeve and turn and be provided with one between the transverse part of shape support and be enclosed within the outer elastic pressuring spring 26 of protruding axle, the upper end of described axle sleeve is provided with one can insert the key 28 that rotates with the restriction vertical shaft in the open slot, also be provided with on the described axle sleeve one can make under external force axle sleeve to lower slider key is broken away from the foot-driven lever 38 of keyway, so that vertical shaft can be around its rotational after foot-driven lever is depressed.
When principle of work of the present utility model is achieved in that remove a tyre, after at first tire being pushed in the Lifting for tyre mechanism, start second oil cylinder or cylinder, tire is elevated to certain position, make the axis of tire and the axis of wheel rim detent mechanism almost be positioned at same horizontal surface, flexible then wheel rim detent mechanism is had good positioning tire.Have good positioning behind the tire, first depression bar is turned to parallel with the transverse part of L bracket, start first oil cylinder or cylinder then, make L bracket towards turning the motion of shape support, thereby drive on the cover tire that first depression bar is squeezed in tire back-up ring peripheral part so that certain clearance occurs between cover tire and the back-up ring, then cam-like opening hook sheet is hooked on the back-up ring, start first oil cylinder or cylinder, make L bracket away from turning the motion of shape support, make back-up ring be drawn out the wheel rim of tire.Then shrink the wheel rim detent mechanism, make wheel rim along with the wheel rim detent mechanism moves, the cover tire of tire then can be blocked Outer Tyre blocks the device of Outer Tyre and wheel rim disengaging, and Outer Tyre and wheel rim are broken away from.Depress foot-driven lever then, vertical shaft can freely be rotated, vertical shaft is revolved backward turn 90 degrees, so that provide bigger operational space for following operation.Then start second oil cylinder or cylinder, make the axis of Outer Tyre and the axis of tire outer edge detent mechanism almost be positioned at same horizontal surface, the 3rd oil cylinder or cylinder then, so that the hook sheet on the sleeve on the positioning mandril assembly hooks the medial margin of Outer Tyre, simultaneously opposite side turns the also medial margin that hooks Outer Tyre of this side of L shaped hook on the shape support, start first oil cylinder or cylinder then, the internal orifice of Outer Tyre is enlarged, can take out the inner tube of a tyre this moment easily.
During the assembling tire, use at first earlier with after the above-mentioned the same internal orifice expansion of method cover tire, the inner tube of a tyre is put in the cover tire, after then the internal orifice of Outer Tyre being aimed at wheel rim, start first oil cylinder or cylinder, Outer Tyre is enclosed within on the wheel rim, and the apical axis end on the positioning mandril assembly withstands on the tire outer edge at this moment, so that with cover tire jacking wheel rim.Rotate first depression bar and second depression bar then to parallel, start first oil cylinder or cylinder, withstand cover tire by second depression bar with the transverse part of L bracket so that cover tire caves in into a little, and by first depression bar with back-up ring jacking wheel rim, to finish the assembling of tire.
The wheel rim detent mechanism can be used for locating two types tire of major diameter and minor diameter, when being used to locate large diameter tire, disc contacts the location with the disc medial margin of major diameter tire, rotate hand-held runner then, four button pawls are outwards moved simultaneously, and make first button of button pawl be buckled in the both sides of the disc of major diameter tire, thereby realize the location of tyre rim.When being used to locate the tire of minor diameter, L shaped supporting seat contacts the location with the disc medial margin of minor diameter tire, rotates hand-held runner then, and four button pawls are outwards moved simultaneously, and make second button of button pawl be buckled in the both sides of the disc of minor diameter tire, thereby realize the location of tyre rim.
The above only is preferred embodiment of the present utility model, and all equalizations of being done according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (10)
1. the very heavy of a remove a tyre taken off; comprise frame; it is characterized in that: described frame is provided with towards tyre rim opening one side can be along the flexible wheel rim detent mechanism of tire axial; another side is provided with tire outer edge detent mechanism; also be provided with on the described frame and when the wheel rim detent mechanism stretches stroke, can block the device that Outer Tyre breaks away from Outer Tyre and wheel rim; described wheel rim detent mechanism comprises the disc that can contact the location from wheel rim opening one side with the disc medial margin; described disc external side end is provided with and the protruding seat of the contacted dish type of inner edge of the mesopore of disc; the protruding seat of described dish type external side end is provided with and can radially draws in or open button pawl in the mesopore of disc, and described button pawl is provided with first button that can fasten disc outside inner edge.
2. the very heavy of remove a tyre according to claim 1 taken off, it is characterized in that: described frame is made of the L bracket that tire outer edge detent mechanism is installed and the shape support two parts that turn that the wheel rim detent mechanism is installed, the transverse part of described L bracket is socketed in the transverse part inner chamber that turns the shape support, and can slide with respect to the transverse part that turns the shape support, be provided with one first oil cylinder or cylinder in the transverse part inner chamber of described L bracket, the cylinder barrel of described first oil cylinder or cylinder is captiveed joint with the transverse part that turns the shape support, captiveing joint with the transverse part of L bracket in the outer end of the piston rod of described first oil cylinder or cylinder, slides with respect to turning the shape support to drive L bracket.
3. the very heavy of remove a tyre according to claim 2 taken off, it is characterized in that: the longitudinal part of described L bracket is provided with the Lifting for tyre mechanism that portion longitudinally slides up and down, described Lifting for tyre mechanism comprises a pair of pressure pin that is used to hold tire, the end of described pressure pin vertically is connected with slide plate respectively, described slide plate matches with first chute of the longitudinal part two side ends of being located at L bracket respectively and is connected, described Lifting for tyre mechanism by one second oil cylinder or air cylinder driven to realize the lifting of tire.
4. the very heavy of remove a tyre according to claim 3 taken off, it is characterized in that: described tire outer edge detent mechanism is located on the longitudinal part of L bracket and is positioned at the top of Lifting for tyre mechanism, described tire outer edge detent mechanism comprises the positioning mandril assembly of two groups of opening and closing synchronously, described positioning mandril assembly is made of a pair of positioning mandril respectively, the described first positioning mandril assembly that is positioned at the top by one the 3rd oil cylinder of the longitudinal part inner chamber of being located at L bracket or air cylinder driven to move up and down along second chute on the longitudinal part of L bracket, described tire outer edge detent mechanism also includes a steel cable that is the open loop shape, two pulleys at the longitudinal part two ends of being located at L bracket are walked around at the two ends up and down of described steel cable respectively, the two ends that described steel cable cut-offs mouth are fixedly connected on respectively on the upper and lower side of the second positioning mandril assembly, and the described first positioning mandril assembly is captiveed joint with the steel cable section of passing it.
5. the very heavy of remove a tyre according to claim 4 taken off, it is characterized in that: described positioning mandril is made of sleeve that is hollow shape and the apical axis that is set in sleeve inner, the end that described apical axis passes sleeve is used to withstand the tire outer edge, the other end is provided with a shaft shoulder, the corresponding side of the longitudinal part of the described shaft shoulder and L bracket is provided with one and is connected the longitudinal part of L bracket and the spring on the shaft shoulder, and described sleeve outer end is provided with the hook sheet.
6. the very heavy of remove a tyre according to claim 2 taken off, it is characterized in that: be connected with a cam-like opening hook sheet that is used to be hooked on the back-up ring through chain on the described L bracket, described turning on the shape support is connected with a pair of L shaped hook that is used to be hooked on the cover tire medial margin through chain.
7. the very heavy of remove a tyre according to claim 2 taken off, it is characterized in that: be hinged with two on the longitudinal part of described L bracket and be used to push down the cover tire of tire back-up ring peripheral part so that occur first depression bar and second depression bar in gap between cover tire and the back-up ring, it is parallel with the transverse part of L bracket or vertical with the transverse part of L bracket that described first depression bar and second depression bar can turn to, and the outer end of described first depression bar is T type shape.
8. the very heavy of remove a tyre according to claim 1 taken off, it is characterized in that: the protruding seat of described dish type external side end evenly is laid with several and is used for the contacted L shaped supporting seat of inner edge with the disc mesopore of minor diameter tire, the button pawl of the protruding seat of described dish type external side end is four, also be provided with one second button on the described button pawl, described first button is by first plate of being located at the disc medial extremity, second plate of the protruding seat of dish type external side end and the 3rd plate formation that is used to connect first plate and second plate that can in the disc fluting, radially slide along disc, described second button is by second plate, the 5th plate that the 4th plate that parallels with second plate and being used to is connected second plate and the 4th plate constitutes.
9. the very heavy of remove a tyre according to claim 8 taken off, it is characterized in that: the adjacent side in the axle center of described button pawl and disc is provided with the stripe board that a middle part has slotted hole, described four stripe board overlap on respectively together, after overlapping mutually, its four slotted holes form a square hole, be equipped with tooth on the four edges of described composition square hole, be used for and be set in gear wheel shaft in the square hole and match and be connected.
10. the very heavy of remove a tyre according to claim 2 taken off, it is characterized in that: described longitudinal part upper end of turning the shape support is provided with a supporting seat that is parallel to the transverse part that turns the shape support towards a side of L bracket, described supporting seat and turn the perpendicular vertical shaft that is provided with between the transverse part of shape support, upper end one pivot pin of described vertical shaft is set in the axis hole of supporting seat, the lower end of described vertical shaft is with a perpendicular protruding axle that is located on the transverse part that turns the shape support, the bottom of described vertical shaft is supported in the shaft shoulder portion of protruding axle, the bottom of described vertical shaft also is provided with a keyway, described protruding outer shaft sleeve is provided with one can be along the protruding axle sleeve that slide up and down certain stroke, the bottom of described axle sleeve and turn and be provided with one between the transverse part of shape support and be enclosed within the outer elastic pressuring spring of protruding axle, the upper end of described axle sleeve is provided with one can insert the key that rotates with the restriction vertical shaft in the open slot, also be provided with on the described axle sleeve one can make under external force axle sleeve to lower slider key is broken away from the foot-driven lever of keyway, so that vertical shaft can be around its rotational after foot-driven lever is depressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201373386U CN201472089U (en) | 2009-03-31 | 2009-03-31 | Jack tyre press for demounting tyres |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201373386U CN201472089U (en) | 2009-03-31 | 2009-03-31 | Jack tyre press for demounting tyres |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201472089U true CN201472089U (en) | 2010-05-19 |
Family
ID=42408334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201373386U Expired - Fee Related CN201472089U (en) | 2009-03-31 | 2009-03-31 | Jack tyre press for demounting tyres |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201472089U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890458A (en) * | 2015-06-16 | 2015-09-09 | 毕作亮 | Tire correction machine |
| CN107323185A (en) * | 2017-08-08 | 2017-11-07 | 鞍山强锋久盛科技发展有限公司 | Heavy mine-vehicle tyre removing machine |
| CN111902707A (en) * | 2018-03-28 | 2020-11-06 | 株式会社神户制钢所 | Rim replacement mechanism and rim replacement method for tire testing machine |
-
2009
- 2009-03-31 CN CN2009201373386U patent/CN201472089U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890458A (en) * | 2015-06-16 | 2015-09-09 | 毕作亮 | Tire correction machine |
| CN107323185A (en) * | 2017-08-08 | 2017-11-07 | 鞍山强锋久盛科技发展有限公司 | Heavy mine-vehicle tyre removing machine |
| CN111902707A (en) * | 2018-03-28 | 2020-11-06 | 株式会社神户制钢所 | Rim replacement mechanism and rim replacement method for tire testing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20130331 |