CN112206944A - Be applied to tight frock of clamp among rail vehicle wheel pair plasma spraying restoration - Google Patents
Be applied to tight frock of clamp among rail vehicle wheel pair plasma spraying restoration Download PDFInfo
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- CN112206944A CN112206944A CN202010973783.7A CN202010973783A CN112206944A CN 112206944 A CN112206944 A CN 112206944A CN 202010973783 A CN202010973783 A CN 202010973783A CN 112206944 A CN112206944 A CN 112206944A
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- Prior art keywords
- centering
- limiting
- bracket
- drive gear
- plasma spraying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
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- Plasma Technology (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
The invention relates to a clamping tool applied to plasma spraying repair of a rail vehicle wheel, which comprises a conveying line body with a hollow middle part and a supporting plate arranged at the bottom of the conveying line body, wherein a lower limiting bracket and an upper limiting assembly arranged in the lower limiting bracket are arranged on the supporting plate and positioned below the middle part of the conveying line body, and the lower limiting bracket ascends and descends along the supporting plate and has a self-centering function; the upper limit component comprises an upper limit mechanism for limiting the wheels of the railway vehicle upwards and a telescopic mechanism for driving the upper limit mechanism to stretch. The centering device has the advantages of simple structure, easiness in operation and use and strong applicability, the lower limiting bracket, the centering circular table and the upper limiting mechanism are arranged, so that the centering between the centering device and the wheels of the railway vehicle is self-adaptively completed before the wheels of the railway vehicle are axially limited, additional centering equipment or centering means are not required to be added, and the functional usability of the centering device is enhanced on the premise of ensuring good fixing and limiting effects.
Description
Technical Field
The invention relates to a clamping tool, in particular to a clamping tool applied to plasma spraying repair of a rail vehicle wheel.
Background
Railway vehicles (such as railway vehicles, subways and the like) are mainly based on adhesion traction force and adhesion braking force generated by the interaction of wheel sets and a track to realize the operation of a locomotive. The adhesion causes continuous abrasion of the contact surface of the wheel set and the steel rail, even various damages, and the abrasion parts comprise wheel set treads and wheel rims. The wear types include abrasion, fatigue crack, tread strip, thermal damage, chipping, or combinations of various forms. The generation of abrasion not only accelerates the reduction of the service life of the wheel rail, but also leads to failure when the wheel set is abraded to a certain program, thereby endangering the driving safety. Particularly, as the railway transportation progresses to a high speed and heavy load, the risk of accidents due to wear also increases.
The rail vehicle wheel set is required to be fixed during remanufacturing and repairing, so that the situation that the position is deviated in the repairing process, the repairing is failed, and the rail vehicle wheel set is scrapped is avoided. Most of the existing wheel set fixing tools for rail vehicles have the problems of complex structure, troublesome operation, low fixing effect and the like.
Disclosure of Invention
In order to solve the technical problem, the invention provides a clamping tool applied to plasma spraying repair of a rail vehicle wheel.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
a clamping tool applied to plasma spraying repair of a rail vehicle wheel comprises a conveying line body with a hollow middle part and a supporting plate arranged at the bottom of the conveying line body, wherein a lower limiting bracket and an upper limiting assembly arranged in the lower limiting bracket are arranged on the supporting plate and positioned below the middle part of the conveying line body, and the lower limiting bracket ascends and descends along the supporting plate and has a self-centering function;
the upper limit component comprises an upper limit mechanism for limiting the wheels of the railway vehicle upwards and a telescopic mechanism for driving the upper limit mechanism to stretch.
Furthermore, lower spacing bracket is discoid structure and is equipped with central barrel groove, and upper end portion department is equipped with centering round platform with one heart, and upper end portion outside department is equipped with the backing ring cushion with one heart, be equipped with the cylinder that is used for promoting lower spacing bracket oscilaltion in the backup pad, go up spacing subassembly cunning dress in central barrel groove.
Furthermore, telescopic machanism includes that spacing card slides at the centering axle sleeve of central barrel inslot, install at central barrel inslot and with the adjusting screw of centering axle sleeve inside screw-thread fit connection through the bearing, with the first drive gear of adjusting screw tip coaxial arrangement, with the first drive gear meshing of first drive gear, with first drive gear coaxial arrangement and set up the first driving motor on spacing bracket down, go up stop gear and be equipped with centering axle sleeve.
Further, go up the stop gear and include that a plurality of circumference equipartition articulates at the last spacing pin at centering axle sleeve top, with a plurality of on a plurality of spacing pin quantity adaptation and coaxial coupling's a plurality of worm wheel, coaxial arrangement passes centering axle sleeve and a plurality of worm wheel and corresponds the meshing at inside and the upper end of adjusting screw, the outer worm of adjusting screw is worn out to lower tip, coaxial arrangement second drive gear on the tip under the worm, with the second drive gear meshing second drive gear, with second drive gear coaxial arrangement and set up the second driving motor on lower spacing bracket.
Furthermore, the upper limiting mechanism also comprises angle limiting blocks which are arranged at the top of the centering shaft sleeve and the number of the angle limiting blocks corresponds to that of the upper limiting stop levers.
The invention has the beneficial effects that:
compared with the prior art, the centering device has the advantages of simple structure, easiness in operation and use and strong applicability, the lower limiting bracket, the centering circular table and the upper limiting mechanism are arranged, so that the centering between the centering device and the wheels of the railway vehicle is self-adaptively completed before the wheels of the railway vehicle are axially limited, additional centering equipment or centering means are not needed, the centering and limiting actions are simultaneously completed through one-time operation, and the functional usability of the centering device is enhanced on the premise of ensuring good fixing and limiting effects.
Drawings
The invention is further illustrated with reference to the following figures and examples:
FIG. 1 is a front internal view of the present invention;
FIG. 2 is a front external view of the present invention;
fig. 3 is an enlarged schematic view of a point a in fig. 1.
In the figure: 1. a lower limit bracket; 2. a central cylindrical groove; 21. a limiting clamping groove; 3. a centering circular table; 4. a supporting ring cushion block; 5. a cylinder; 6. a centering sleeve; 61. a limiting clamping block; 7. adjusting the screw rod; 8. a first drive gear; 9. a first drive gear; 10. a first drive motor; 11. an upper limiting stop lever; 12. a worm gear; 13. a worm; 14. a second transmission gear; 15. a second drive gear; 16. a second drive motor; 17. an angle limiting block; 18. a conveyor line body; 19. a support plate; 20. a plasma torch.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained in the following with the accompanying drawings and the embodiments.
As shown in fig. 1 to 3, a clamping tool applied to plasma spraying repair of a rail vehicle wheel comprises a conveyor line body 18 with a hollow middle part and a supporting plate 19 arranged at the bottom of the conveyor line body 18, wherein a lower limiting bracket 1 and an upper limiting assembly arranged in the lower limiting bracket 1 are arranged on the supporting plate 19 and positioned below the middle part of the conveyor line body 18, and the lower limiting bracket 1 is lifted up and down along the supporting plate 19 and has a self-centering function;
the upper limit component comprises an upper limit mechanism for limiting the wheels of the railway vehicle upwards and a telescopic mechanism for driving the upper limit mechanism to stretch.
As a further improvement of the invention, the lower limit bracket 1 is in a disc-shaped structure and is provided with a central cylindrical groove 2, the middle part of the upper end part is concentrically provided with a centering circular truncated cone 3, the outer side of the upper end part is concentrically provided with a supporting ring cushion block 4, the supporting plate 19 is provided with an air cylinder 5 for pushing the lower limit bracket 1 to lift up and down, and the upper limit assembly is slidably arranged in the central cylindrical groove 2.
The centering round platform 3 is used for firstly contacting with a central bearing mounting seat on a rail vehicle wheel when the lower limiting bracket 1 ascends, and pushing the inner side wall of the central bearing mounting seat on the rail vehicle wheel through the conical side surface of the centering round platform 3, so that the centering round platform 3 and the rail vehicle wheel are centered, and the upper limiting mechanism can perform upper limiting on the rail vehicle wheel.
As a further improvement of the invention, the telescopic mechanism comprises a centering shaft sleeve 6 with a limiting block sliding in the central cylinder groove 2, an adjusting screw 7 which is arranged in the central cylinder groove 2 through a bearing and is in thread fit connection with the inside of the centering shaft sleeve 6, a first transmission gear 8 which is coaxially arranged with the end part of the adjusting screw 7, a first driving gear 9 which is meshed with the first transmission gear 8, and a first driving motor 10 which is coaxially arranged with the first driving gear 9 and is arranged on the lower limiting bracket 1, wherein the upper limiting mechanism is arranged on the centering shaft sleeve 6.
And a limiting clamping groove 21 is formed in the central cylinder groove 2 and at the position where the central cylinder groove is limited and clamped with the centering shaft sleeve 6, and a limiting clamping block 61 matched with the limiting clamping groove 21 in a sliding manner is arranged on the centering shaft sleeve 6.
Through the block sliding fit between the limiting clamping groove 21 and the limiting clamping block 61, the centering shaft sleeve 6 can move in the axis direction, and the phenomenon of idle running at the original height is avoided. The centering shaft sleeve 6 is driven to vertically adjust the height through the adjusting screw 7, so that on one hand, the adjusting precision is high, and the limiting precision is further improved; on the other hand, utilize adjusting screw 7's auto-lock nature, further guarantee spacing fixed effect.
As a further improvement of the invention, the upper limiting mechanism comprises a plurality of upper limiting stop levers 11 which are uniformly distributed on the circumference and hinged on the top of the centering shaft sleeve 6, a plurality of worm gears 12 which are matched with the upper limiting stop levers 11 in quantity and coaxially connected with the upper limiting stop levers 11, a worm 13 which is coaxially arranged in the adjusting screw 7, the upper end of the worm 13 penetrates through the centering shaft sleeve 6 to be correspondingly meshed with the worm gears 12, the lower end of the worm 13 penetrates out of the adjusting screw 7, a second transmission gear 14 which is coaxially arranged on the lower end of the worm 13, a second driving gear 15 which is meshed with the second transmission gear 14, and a second driving motor 16 which is coaxially arranged with the second driving gear 15 and arranged on the lower limiting bracket.
As a further improvement of the invention, the upper limit mechanism further comprises angle limiting blocks 17 which are arranged at the top of the centering shaft sleeve 6 and correspond to the upper limit stop levers 11 in number.
Go up spacing pin 11 and be equipped with four and follow the top of circumferencial direction equipartition at centering shaft sleeve 6, worm wheel 12 is equipped with four and corresponds the coaxial articulated tip department of installing at last spacing pin 11, angle limiting block 17 is equipped with four, the equipartition just corresponds one-to-one with four articulated directions of rotation of last spacing pin 11 on centering shaft sleeve 6 top.
The angle limiting block 17 is used for limiting the rotation angle of the upper limiting stop lever 11 and ensuring that the four upper limiting stop levers 11 are in a horizontal state after being completely opened; the advantage that sets up like this for the lower side pole wall of last spacing pin 11 laminates with rail vehicle wheel upside terminal surface to the greatest extent, has reached the biggest spacing effect.
The working process is as follows:
when the centering device is used, a rail vehicle wheel is horizontally placed on the conveying line body 18 and conveyed to the position above the centering device, then, the air cylinder 5 is started to jack the lower limiting bracket, and the centering circular table is contacted with a central bearing mounting seat on the rail vehicle wheel to perform centering; after centering is finished, starting the first driving motor 10, and enabling the centering shaft sleeve 6 to slide upwards along the central cylinder groove 2 through the adjusting screw 7 under the guidance of the limiting clamping groove 21, so that the upper limiting mechanism extends out of the central cylinder groove 2; then, starting a second driving motor 16, and enabling the four upper limit stop levers 11 to simultaneously rotate and open to a horizontal state through the worm 13 and the worm wheel 12; then, whether the lower side rod walls of the four upper limiting stop rods 11 are attached to the upper side end face of the rail vehicle wheel or not is observed, and if not, the first driving motor 10 is started again for adjustment until the upper limiting stop rods 11 are attached to the upper side end face of the rail vehicle wheel.
Next, the nozzle portion of the plasma torch 20 is subjected to a plasma repairing operation on the tread and the rim of the rail vehicle wheel.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a be applied to tight frock of clamp among rail vehicle wheel pair plasma spraying restoration, includes the conveying line body (18) of middle part fretwork, sets up backup pad (19) in conveying line body (18) bottom, its characterized in that: a lower limiting bracket (1) and an upper limiting assembly arranged in the lower limiting bracket (1) are arranged on the supporting plate (19) and positioned below the middle part of the conveying line body (18), and the lower limiting bracket (1) is lifted up and down along the supporting plate (19) and has a self-centering function;
the upper limit component comprises an upper limit mechanism for limiting the wheels of the railway vehicle upwards and a telescopic mechanism for driving the upper limit mechanism to stretch.
2. The clamping tool applied to the plasma spraying repair of the railway vehicle wheels is characterized in that: lower spacing bracket (1) is discoid structure and is equipped with central barrel groove (2), and upper end portion department is equipped with centering round platform (3) with one heart, and upper end portion outside department is equipped with backing ring cushion (4) with one heart, be equipped with cylinder (5) that are used for promoting spacing bracket (1) oscilaltion down on backup pad (19), it adorns in central barrel groove (2) to go up spacing subassembly cunning.
3. The clamping tool applied to the plasma spraying repair of the railway vehicle wheels is characterized in that: telescopic machanism include centering axle sleeve (6) of spacing card cunning in central barrel casing (2), install in central barrel casing (2) through the bearing and with adjusting screw (7) that centering axle sleeve (6) internal thread fit is connected, with adjusting screw (7) tip coaxial arrangement's first drive gear (8), with first drive gear (8) meshed first drive gear (9), with first drive gear (9) coaxial arrangement and set up first driving motor (10) on lower spacing bracket (1), it is equipped with on centering axle sleeve (6) to go up stop gear.
4. The clamping tool applied to the plasma spraying repair of the railway vehicle wheels is characterized in that: go up the stop gear and include that a plurality of circumference equipartition articulates at last spacing pin (11) at centering axle sleeve (6) top, a plurality of worm wheel (12) of spacing pin (11) quantity adaptation and coaxial coupling on a plurality of, coaxial arrangement passes centering axle sleeve (6) and a plurality of worm wheel (12) and corresponds the meshing in adjusting screw (7) inside and upper end, the outer worm (13) of adjusting screw (7) are worn out to the lower tip, second drive gear (14) on coaxial arrangement under worm (13), second drive gear (15) with second drive gear (14) meshing, with second drive gear (15) coaxial arrangement and set up second driving motor (16) on lower spacing bracket (1).
5. The clamping tool applied to the plasma spraying repair of the railway vehicle wheels is characterized in that: the upper limiting mechanism further comprises angle limiting blocks (17) which are arranged at the top of the centering shaft sleeve (6) and the number of the angle limiting blocks corresponds to that of the upper limiting stop levers (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010973783.7A CN112206944B (en) | 2020-09-16 | 2020-09-16 | Be applied to tight frock of clamp among rail vehicle wheel pair plasma spraying restoration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010973783.7A CN112206944B (en) | 2020-09-16 | 2020-09-16 | Be applied to tight frock of clamp among rail vehicle wheel pair plasma spraying restoration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112206944A true CN112206944A (en) | 2021-01-12 |
| CN112206944B CN112206944B (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010973783.7A Active CN112206944B (en) | 2020-09-16 | 2020-09-16 | Be applied to tight frock of clamp among rail vehicle wheel pair plasma spraying restoration |
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| Country | Link |
|---|---|
| CN (1) | CN112206944B (en) |
Citations (10)
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| EP1060797A2 (en) * | 1999-06-18 | 2000-12-20 | Sony Corporation | Adhesive coating apparatus |
| CN101172328A (en) * | 2007-10-19 | 2008-05-07 | 大连机床集团有限责任公司 | Self-alignment cramping arrangement for processing disk cover parts |
| CN203611166U (en) * | 2013-12-11 | 2014-05-28 | 天津市立德尔机械设备有限公司 | Lifting type hole positioning and locking device |
| KR20160033271A (en) * | 2014-09-17 | 2016-03-28 | 삼성중공업 주식회사 | Pin JIG for preventing drop of welding portion |
| CN108500874A (en) * | 2018-06-13 | 2018-09-07 | 重庆长安民生物流股份有限公司 | One kind being used for the matched centering assembly of tire taper point |
| CN108890361A (en) * | 2018-09-14 | 2018-11-27 | 上海理工大学 | Cup-like shape workpiece quick-speed jigs |
| CN208245088U (en) * | 2018-04-18 | 2018-12-18 | 东莞市科立电子设备有限公司 | A kind of online dispenser |
| CN109174558A (en) * | 2018-09-17 | 2019-01-11 | 巢湖学院 | A kind of electric bicycle wheel cap painting sealant machine |
| CN110538749A (en) * | 2019-08-29 | 2019-12-06 | 佛山市锦泽致盛智能科技有限公司 | Artificial intelligence spouts fine system |
| CN210115635U (en) * | 2019-05-27 | 2020-02-28 | 合肥市炬力达科技有限公司 | Centering and positioning mechanism for multiple workpieces |
-
2020
- 2020-09-16 CN CN202010973783.7A patent/CN112206944B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1060797A2 (en) * | 1999-06-18 | 2000-12-20 | Sony Corporation | Adhesive coating apparatus |
| CN101172328A (en) * | 2007-10-19 | 2008-05-07 | 大连机床集团有限责任公司 | Self-alignment cramping arrangement for processing disk cover parts |
| CN203611166U (en) * | 2013-12-11 | 2014-05-28 | 天津市立德尔机械设备有限公司 | Lifting type hole positioning and locking device |
| KR20160033271A (en) * | 2014-09-17 | 2016-03-28 | 삼성중공업 주식회사 | Pin JIG for preventing drop of welding portion |
| CN208245088U (en) * | 2018-04-18 | 2018-12-18 | 东莞市科立电子设备有限公司 | A kind of online dispenser |
| CN108500874A (en) * | 2018-06-13 | 2018-09-07 | 重庆长安民生物流股份有限公司 | One kind being used for the matched centering assembly of tire taper point |
| CN108890361A (en) * | 2018-09-14 | 2018-11-27 | 上海理工大学 | Cup-like shape workpiece quick-speed jigs |
| CN109174558A (en) * | 2018-09-17 | 2019-01-11 | 巢湖学院 | A kind of electric bicycle wheel cap painting sealant machine |
| CN210115635U (en) * | 2019-05-27 | 2020-02-28 | 合肥市炬力达科技有限公司 | Centering and positioning mechanism for multiple workpieces |
| CN110538749A (en) * | 2019-08-29 | 2019-12-06 | 佛山市锦泽致盛智能科技有限公司 | Artificial intelligence spouts fine system |
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| Publication number | Publication date |
|---|---|
| CN112206944B (en) | 2021-12-17 |
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