CN204339592U - A kind of high ferro train wheel shot peening strengthening device - Google Patents
A kind of high ferro train wheel shot peening strengthening device Download PDFInfo
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- CN204339592U CN204339592U CN201420738174.3U CN201420738174U CN204339592U CN 204339592 U CN204339592 U CN 204339592U CN 201420738174 U CN201420738174 U CN 201420738174U CN 204339592 U CN204339592 U CN 204339592U
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- wheel
- train wheel
- high ferro
- ferro train
- shot peening
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Abstract
A kind of high ferro train wheel shot peening strengthening device, comprises wheel abrator cabinet, wheel abrator, bullet separating and reclaiming device, bullet storage and feeding mechanism, dust arrester, rotary table and fixture; Rotary table is positioned at wheel abrator cabinet side, and it has two work bench with adjustable holders be diametrically arranged symmetrically with, and each work bench with adjustable holder can be installed 6 train wheel workpiece, and work bench with adjustable holder rotates in shot-peening process, makes railroad wheel surface can be reinforced evenly; Rotary table can intermittent rotary, rotates 180 ° at every turn; 3 wheel abrators connect 6 spray guns, the corresponding train wheel workpiece of each spray gun; Bullet separating and reclaiming device comprises ball material elevator and ball material separator, for ball material lifting be separated; Dust arrester is a deduster, and its suction opeing is all connected with the suction opeing on ball material separator and wheel abrator cabinet top, with the negative pressure ensureing indoor visibility He make indoor maintenance certain.This compressed air shotblasting machine working (machining) efficiency is high, reliable operation.
Description
Technical field
The utility model relates to metal surface enhanced technical field, especially relates to a kind of high ferro train wheel shot peening strengthening device.
Background technology
The general principle of Shot Peening Technology is compressed air is power, with metal abrasives such as cast steel sand, cast steel ball, zinc balls for bullet, with higher speed impacts surface of the work, make metal surface that plastic deformation (simultaneously with elastic deformation) occur, certain thickness compressive stress layer is formed in metal surface, thus improve the anti-fatigue performance of parts and the service life of elongated component, also larger change is had to the surface state of part, thus greatly improve the adsorption effect of spraying, improve the corrosion resistance of parts, save a large amount of steel.
High ferro train wheel is compared with common wheel, and maximum difference is exactly anti-fatigue performance and wear resistance.The contact of train wheel and track is typical dynamic friction, there is slip mill and examine (less) while rolling friction, and this just proposes higher requirement to the performance of train wheel.Because train wheel and rail Long Term Contact rub, wear phenomenon can be produced in running.In order to ensure high speed motor car train groups safe and stable operation, and meet certain economic and practical, this just requires the wear extent of train wheel to be controlled within the specific limits within certain period.Train safe stable operation can be ensured like this, train operation cost can be reduced again.If the stable fretting wear stage of train wheel can be extended, postpone the arrival in train wheel sharp wear stage, just can shorten the cycle changing train wheel, thus the cost reducing the maintenance of high speed motor car train groups and run.
At present, the wheel that domestic and international train of high-speed motor train unit adopts is to manufacturing process mainly cast steel and rolled steel wheel, in some operations such as follow-up heat treatment, machined, Shot Peening Technology is not all adopted to strengthen the contact surface (tread) with rail wheel.
Utility model content
The purpose of this utility model is the blank filling up high ferro train wheel shot peening strengthening device, by this shot-blast unit, shot peening strengthening is carried out to wheel tread (wheel and the contact surface of taking turns), form the pressure inductive layer of movement, thus increase its intensity, improve its anti-fatigue ability, thus reach the object increased the service life, the technical scheme adopted is: a kind of high ferro train wheel shot peening strengthening device, comprise the wheel abrator cabinet (1) installing high ferro train wheel to be processed, be positioned at wheel abrator cabinet outside, the wheel abrator (2) be connected with shot-peening pipeline with wheel abrator cabinet, bullet separating and reclaiming device (3) is housed in the outside of wheel abrator cabinet, bullet stores and feeding mechanism, it is characterized in that: described shot peening strengthening device also comprises rotary table (5), described rotary table comprises base (55) and motor (54), motor (54) is connected with line shaft II (51), rotating disk (56) line shaft II (51) is equipped with, described rotating disk (56) is positioned on base (55), described shot peening strengthening device also comprises the work bench with adjustable holder (6) be located on rotating disk (55), the line shaft I (62) that described work bench with adjustable holder (6) comprises stepper motor (63) and rotates under stepper motor (63) drives, work bench with adjustable holder (6) is also provided with chuck (71) and is positioned at the handle (72) on chuck, chuck (71) is positioned at the upper end of hollow shaft (68), the lower end of hollow shaft (68) is connected on line shaft I (62), high ferro train wheel (7) is contained between chuck and base (64), protective plate (74) is provided with between adjacent high ferro train wheel.
Technical characteristic of the present utility model also has: the top of described base (64) is also provided with rotating disk (65), the base plate of described rotating disk (65) has upper raceway, there is lower raceway on the top of described base (64), described upper raceway and lower raceway form a complete raceway, at raceway built with steel ball, described steel ball ball retainer (67) is fixed.
Technical characteristic of the present utility model also has: in described wheel abrator cabinet (1), the sidewall just right with described work bench with adjustable holder (6) is provided with through hole (12), the quantity of described through hole (12) is identical with high ferro train wheel (7) quantity of clamping on work bench with adjustable holder (6), be installed with in described through hole (12) and connect spray gun flexible pipe, the described spray gun flexible pipe one end that connects is connected with wheel abrator (2), the other end is connected with nozzle (14), described nozzle (14) is arranged on the nozzle holder (13) of Three Degree Of Freedom movement, described nozzle (14) is just to described high ferro train wheel (7).
Technical characteristic of the present utility model also has: the spacing between described through hole (12) is 162mm.
Technical characteristic of the present utility model also has: Ji Wanchi (16) is arranged at the bottom of described wheel abrator cabinet (1), the discharging opening of described Ji Wanchi (16), in the below of wheel abrator cabinet (1), is also provided with grid (17) at wheel abrator cabinet (1) and the joining place of Ji Wanchi (16).
Technical characteristic of the present utility model also have: described wheel abrator (2) comprise shot-peening tank and with the described conveying pipeline connecing spray gun and be connected with flexible pipe.
Technical characteristic of the present utility model also has: described bullet separating and reclaiming device (3) comprises bullet retracting device and bullet separator, described bullet retracting device is for being positioned at the outside ball material elevator (31) of wheel abrator cabinet (1), ball material separator (32) outside described bullet separator.
Technical characteristic of the present utility model also has: the auger conveyor (323) that described bullet separator comprises separator (32) and is connected with separator (32), the charging aperture of auger conveyor (323) is connected with the discharging opening of described ball material elevator (31), and the discharging opening of auger conveyor (323) is connected with the charging aperture of described ball material elevator (31); Also comprise pure ball feed bin, the discharging opening (321) of described pure ball feed bin is connected with wheel abrator (2); Also comprise blending bunker, the discharging opening (322) of described blending bunker is connected with described ball material elevator (31) charging aperture; Also comprise overflow storehouse, the discharging opening in described overflow storehouse is connected with Ji Wanchi (16); Also comprise reuse ball feed bin, described reuse ball feed bin is connected with described separator (32).
Technical characteristic of the present utility model also has: described intensifying device comprises dust arrester (4), and the suction opeing (41) of dust arrester (4) is connected with the suction opeing (15) at ball material separator (32) and wheel abrator cabinet top respectively.
Technical characteristic of the present utility model also has: described rotary table (5) is provided with parcel protective plate (76), the outer wrap protective plate (75) of described work bench with adjustable holder (6), described protective plate (75) and protective plate (75) are high manganese steel sheet.
The beneficial effects of the utility model are:
1) design of workbench mainly realizes intermittent movement, thus completes more workload within limited man-hour, has saved the time, has improve productivity ratio.
2) particular design of train wheel clamping device, makes, in shot-peening process, to shorten the time of workpiece replacing, has saved man-hour, and people shuts down and do not stop, and has given full play to the ability to work of machine, and the benefit of Ye Shi enterprise achieves maximization simultaneously.
3) design of wheel abrator cabinet, ensure that when shot peening strengthening, and the dust of generation and particle can not leak outside, and prevents the working environment causing workman from worsening and contaminated environment, reduces noise, improve the working environment of workman.Interior protective plate being set between shot-peening, making it when may wear to a certain degree, conveniently can change, reduce costs.
4), in the design of wheel abrator, adopt each wheel abrator to be equipped with connection two nozzles, need three wheel abrators altogether, six nozzles, reduce production cost, and equipment operating efficiency is high, and ball material can spray continuously.
5) in the design of bullet separating and reclaiming device, for making full use of ball material, ensure that the size of ball material granularity is basically identical, the ball material after utilizing is transported to ball material separator by conveying device, is separated, qualified ball material is continued on for shot peening strengthening, the dust of collection is focused on, in case contaminated environment, the ball material of fragmentation is processed, be transformed into steel sand, for abrasive jet cleaning.
6) design of dust arrester, is the shock due to bullet and train wheel, can produces a large amount of dust, is preventing pollution environment, ensure there is enough visibility in shot-peening, need dust arrester, and dust arrester adopts ventilation and dust removal.
Accompanying drawing explanation
Accompanying drawing 1 is axonometric drawing of the present utility model,
Accompanying drawing 2 is the front views after the utility model removes ladder and scaffold,
Accompanying drawing 3 is top views of accompanying drawing 2,
Accompanying drawing 4 is the main sectional views of work bench with adjustable holder,
Accompanying drawing 5 is top views of accompanying drawing 4,
Accompanying drawing 6 is main sectional views of gap rotary table,
Accompanying drawing 7 is wheel abrator cabinet front views,
Accompanying drawing 8 is top views that wheel abrator cabinet removes suction opeing,
In figure:
1 is wheel abrator cabinet, and 2 is wheel abrators, and 3 is bullet separating and reclaiming devices, and 4 is dust arresters,
5 is rotary tables, and 50 is protective doors, and 51 is line shafts, and 52 is bearing blocks, and 53 is foundation bolts, and 54 is motors, and 55 is bases, and 56 is rotating disks, and 57 is steel balls, and 58 is ball retainers, and 59 is axle connectors,
6 is work bench with adjustable holders, and 61 is bearing blocks, and 62 is line shafts, and 63 is stepper motors, and 64 is bases, and 65 is wheel discs, and 66 is steel balls, and 67 is ball retainers, and 68 is hollow shafts, and 69 is axle connectors,
7 is train wheels, and 71 is chucks, and 72 is handles, and 73 is cluster springs, and 74 is the protective plates at certain inclination angle, and 75,76 is protective plates,
8 is scaffolds, and 9 is ladders, and 11 is observation panels, 12 is holes, and 13 is nozzle holders, and 14 is nozzles, 15 is suction opeings, 16 is Ji Wanchi, and 17 is grids, and 31 is ball material elevators, 32 is ball material separators, 321 is discharging openings of pure ball feed bin, and 322 is discharging openings of blending bunker, and 323 is auger conveyors.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described.
As shown in figures 1-8, present embodiment discloses a kind of rotary double-station high ferro train wheel shot blasting strengthen machine, comprise wheel abrator cabinet 1, wheel abrator 2, bullet separating and reclaiming device 3, dust arrester 4, rotary table 5 and work bench with adjustable holder 6.One side of wheel abrator cabinet 1 is provided with observation panel 11, in shot-peening process, can understand the effect of shot peening strengthening when not stopping in time.A side adjacent with observation panel 11 is provided with workpiece entrance.
Rotary table 5 comprises a line shaft 51 and bearing block 52, and line shaft 51 is arranged on bearing block 52, and bearing block 52 foundation bolt 53 is fixed on ground, and and leaves a fixed gap between ground.Motor 54 is arranged in space, and is connected with line shaft 51.
Rotary table 5 has a base 55, and a raceway is arranged at base 55 top, has a raceway bottom rotating disk 56, rotating disk 56 is placed on base 55, the complete raceway of formation one and upper raceway and lower raceway just in time align, has steel ball 57 in raceway, steel ball 57 ball retainer 58 is fixed.Rotary table rotating disk 56 and line shaft 51 are connected by axle connector 59, and base 55 is directly placed on ground.Motor 54 is stepper motor, and its line shaft 51 that rotarily drives rotates, and the workbench 5 that rotarily drives of line shaft 51 rotates, and workbench 5 is intermittent rotary, and each corner is 180 °.
Rotary table 5 is furnished with two work bench with adjustable holders 6, is provided with protective door 50 in the middle of rotating disk 56, it is characterized in that: described protective door 50 is arranged along disk diameter direction, and two work bench with adjustable holder 6 symmetries are arranged on protective door 50 both sides.Two work bench with adjustable holders 6 respectively have a bearing block 61 and line shaft 62, and line shaft 62 is arranged on bearing block 61 by angular contact ball bearing and thrust ball bearing.Two work bench with adjustable holders 6 also respectively have a stepper motor 63, and motor 63 is connected with line shaft 62 by V band.Two work bench with adjustable holders 6 respectively have a base 64, and there is a raceway on base 64 top, and bearing block 61 is arranged on base 64, and motor 63 and base 64 are arranged on rotary table rotating disk 56.Two work bench with adjustable holders 6 also respectively comprise a rotating disk 65, a raceway is had bottom rotating disk 65, rotating disk 65 is placed on described base 64, the complete raceway of formation one and upper and lower raceway just in time aligns, steel ball 66 is had in raceway, steel ball 66 ball retainer 67 is fixed, and two work bench with adjustable holders 6 also respectively have a hollow shaft 68, and hollow shaft 68 and line shaft 62 upper end are connected by axle connector 69.Train wheel workpiece 7 overlays on work bench with adjustable holder rotating disk 65 through hollow shaft 68 successively, and the train wheel workpiece number that each work bench with adjustable holder 6 is placed is 6, and separates with space bar 70 between each train wheel 7.
Motor 63 rotarily drives line shaft 62 and rotates, line shaft 62 rotarily drive hollow shaft 68 and rotating disk 65 rotates.Before shot-peening, first 6 train wheels 7 are fixed on a work bench with adjustable holder 6 by fixture, then starter motor 63, rotary table 5 turns over 180 °, train wheel workpiece 7 is sent in wheel abrator cabinet 1 and carries out bead, in shot-peening process, work bench with adjustable holder 6 rotates, and can ensure that each cambered surface of railroad wheel surface is all strengthened.
Two work bench with adjustable holders 6 also respectively have a chuck 71 and one handle 72, and chuck 71 is arranged in hollow shaft 68 by cluster spring 73, and have the protective plate 74 at certain inclination angle to separate by one between cluster spring 73 and train wheel workpiece 7.Train wheel workpiece 7 is clamped in hollow shaft 68 by chuck 71, can with hollow shaft 68 uniform rotation.
Rotary table 5 and work bench with adjustable holder 6 also respectively comprise a protective plate 75,76; protective plate 75,76 is circular barrel-like structure; and being wrapped in outside rotary table 5 and work bench with adjustable holder 6 respectively, protective plate 75,76 material is potassium steel, its object is to protection motor and be convenient to ball material collect.
In wheel abrator cabinet 1, the sidewall just right with workbench is provided with six through holes 12 connecing gun hose vertically arranged, and align with each train wheel workpiece 7 on work bench with adjustable holder 6 respectively in each hole, the distance between each hole 12 is 162mm.Wheel abrator cabinet wallboard is provided with nozzle holder 13, nozzle holder 13 can move by Three Degree Of Freedom, and nozzle 14 is arranged on described nozzle holder 13, by mobile Three Degree Of Freedom nozzle holder 13, can carry out shot-peening to angle each in wheel abrator cabinet.
Wheel abrator cabinet 1 inwall adds wear Protection plate, wheel abrator cabinet 1 top also has a suction opeing 15, a collection ball pond 16 is had bottom wheel abrator cabinet 1, and the discharging opening in collection ball pond 16 is immediately below wheel abrator cabinet 1 side, a grid 17 is also had in wheel abrator cabinet 1, and grid 17 is positioned at wheel abrator cabinet 1 and the joining place collecting ball pond 16, the ball slag produced in shot-peening process falls into collection ball pond 16 by grid 17.
Wheel abrator 2, in the outside of wheel abrator cabinet 1, has 3, comprises shot-peening tank, conveying pipeline and nozzle 14, and each wheel abrator 2 connects interior two nozzles of described wheel abrator cabinet 1, and when carrying out bead to train wheel workpiece, 6 nozzles are aimed at 6 workpiece successively and carried out shot-peening simultaneously.
Bullet separating and reclaiming device 3 comprises bullet retracting device and bullet separator.Bullet retracting device is a ball material elevator 31, and in the outside of wheel abrator cabinet 1, at right angle setting, comprises charging aperture, case, hopper, conveyer belt, motor and discharging opening, and its charging aperture is directly connected with the discharging opening in described collection ball pond 16; Driven by motor conveyer belt and hopper motion, the ball material being entered elevator charging aperture by collection ball pond 16 is risen to the discharging opening at elevator top by hopper; When shot peening strengthening operation, because ball material emitted dose is comparatively large, when spraying operation, should first open elevator 31, and then open wheel abrator 2 and carry out strengthening operation, prevent the accumulation collecting ball material in ball pond 16, cause the overload of elevator 31, equipment is produced and endangers.
Bullet separator is a ball material separator 32, comprises auger conveyor, shell separator, separation step, pure ball feed bin, blending bunker, reuse ball feed bin and overflow storehouse.Scaffold 8 there is ladder 9 lead to ground, ball material elevator 31 top is arranged on scaffold 8, ball material separator 32 is also arranged on scaffold 8, ball material separator 32 comprises an auger conveyor 323, and auger conveyor 323 level is installed, the charging aperture of auger conveyor 323 is connected with the discharging opening of ball material elevator 31, the discharging opening of auger conveyor 323 is connected with the charging aperture of ball material separator 32, the discharging opening 321 of pure ball feed bin connects wheel abrator and enters ball pipe material, the discharging opening 322 of blending bunker connects elevator charging aperture, and the discharging opening in overflow storehouse connects collection ball pond 16.Ball material rises to after its discharging opening through elevator 31 and enters auger conveyor 323 charging aperture, and ball material is conveyed horizontally in ball material separator 32 and is separated by being separated step by auger conveyor 323; Pure intact bullet after being separated falls into pure ball feed bin, sends into wheel abrator 2 for shot-peening again through discharging opening, raising bullet utilization rate; Thoroughly be not separated clean mixing ball material through separator 32 and entered blending bunker, entered in elevator 31 through discharging opening, need elevator to promote and be again separated; Ball slag after separator 32 is separated enters reuse ball feed bin, through collecting laggard row relax for surface sand-blasting process.
For preventing ball stockpile from amassing, affect separating effect, the ball material not having enough time to be separated enters overflow storehouse, is transported to collection ball pond 16, promotes again be separated through elevator 31 through discharging opening; This shot blasting strengthen machine belongs to main equipment, and height, about about 5 meters, is the convenience of maintenance repair, and design ladder 9, also for the installation and debugging of equipment provide scaffold 8.
Dust arrester 4 is a deduster, is positioned at the side of scaffold, is arranged on ground, and suction opeing 41 is all connected with the suction opeing 15 on ball material separator 32 and wheel abrator cabinet 1 top; In the shot-peening course of work, carry out exhausting in deduster 4 pairs of ball material separators 32 and wheel abrator cabinet 1, with the negative pressure ensureing indoor visibility He make indoor maintenance certain.
Certainly; above-mentioned explanation is not limitation of the utility model; the utility model is also not limited only to above-mentioned citing, the change that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also belongs to protection domain of the present utility model.
Claims (10)
1. a high ferro train wheel shot peening strengthening device, comprise the wheel abrator cabinet (1) installing high ferro train wheel to be processed, be positioned at wheel abrator cabinet outside, the wheel abrator (2) be connected with shot-peening pipeline with wheel abrator cabinet, bullet separating and reclaiming device (3) is housed in the outside of wheel abrator cabinet, bullet stores and feeding mechanism, it is characterized in that: described shot peening strengthening device also comprises rotary table (5), described rotary table comprises base (55) and motor (54), motor (54) is connected with line shaft II (51), rotating disk (56) line shaft II (51) is equipped with, described rotating disk (56) is positioned on base (55), described shot peening strengthening device also comprises the work bench with adjustable holder (6) be located on rotating disk (55), the line shaft I (62) that described work bench with adjustable holder (6) comprises stepper motor (63) and rotates under stepper motor (63) drives, work bench with adjustable holder (6) is also provided with chuck (71) and is positioned at the handle (72) on chuck, chuck (71) is positioned at the upper end of hollow shaft (68), the lower end of hollow shaft (68) is connected on line shaft I (62), high ferro train wheel (7) is contained between chuck and base (64), protective plate (74) is provided with between adjacent high ferro train wheel.
2. according to high ferro train wheel shot peening strengthening device according to claim 1, it is characterized in that: the top of described base (64) is also provided with rotating disk (65), the base plate of described rotating disk (65) has upper raceway, there is lower raceway on the top of described base (64), described upper raceway and lower raceway form a complete raceway, at raceway built with steel ball, described steel ball ball retainer (67) is fixed.
3. according to high ferro train wheel shot peening strengthening device according to claim 2, it is characterized in that: in described wheel abrator cabinet (1), the sidewall just right with described work bench with adjustable holder (6) is provided with through hole (12), the quantity of described through hole (12) is identical with high ferro train wheel (7) quantity of clamping on work bench with adjustable holder (6), be installed with in described through hole (12) and connect spray gun flexible pipe, the described spray gun flexible pipe one end that connects is connected with wheel abrator (2), the other end is connected with nozzle (14), described nozzle (14) is arranged on the nozzle holder (13) of Three Degree Of Freedom movement, described nozzle (14) is just to described high ferro train wheel (7).
4., according to high ferro train wheel shot peening strengthening device according to claim 3, it is characterized in that: the spacing between described through hole (12) is 162mm.
5. according to high ferro train wheel shot peening strengthening device according to claim 3, it is characterized in that: Ji Wanchi (16) is arranged at the bottom of described wheel abrator cabinet (1), the discharging opening of described Ji Wanchi (16), in the below of wheel abrator cabinet (1), is also provided with grid (17) at wheel abrator cabinet (1) and the joining place of Ji Wanchi (16).
6., according to high ferro train wheel shot peening strengthening device according to claim 3, it is characterized in that: described wheel abrator (2) comprise shot-peening tank and with the described conveying pipeline connecing spray gun and be connected with flexible pipe.
7. according to high ferro train wheel shot peening strengthening device according to claim 3, it is characterized in that: described bullet separating and reclaiming device (3) comprises bullet retracting device and bullet separator, described bullet retracting device is for being positioned at the outside ball material elevator (31) of wheel abrator cabinet (1), and described bullet separator is ball material separator (32).
8. according to high ferro train wheel shot peening strengthening device according to claim 7, it is characterized in that: the auger conveyor (323) that described bullet separator comprises separator (32) and is connected with separator (32), the charging aperture of auger conveyor (323) is connected with the discharging opening of described ball material elevator (31), and the discharging opening of auger conveyor (323) is connected with the charging aperture of described ball material elevator (31); Also comprise pure ball feed bin, the discharging opening (321) of described pure ball feed bin is connected with wheel abrator (2); Also comprise blending bunker, the discharging opening (322) of described blending bunker is connected with described ball material elevator (31) charging aperture; Also comprise overflow storehouse, the discharging opening in described overflow storehouse is connected with Ji Wanchi (16); Also comprise reuse ball feed bin, described reuse ball feed bin is connected with described separator (32).
9. according to high ferro train wheel shot peening strengthening device according to claim 8, it is characterized in that: described intensifying device comprises dust arrester (4), the suction opeing (41) of dust arrester (4) is connected with the suction opeing (15) at ball material separator (32) and wheel abrator cabinet top respectively.
10. according to high ferro train wheel shot peening strengthening device according to claim 8, it is characterized in that: (5) are enclosed with protective plate to described rotary table, protective plate is also wrapped up in the outside of described work bench with adjustable holder (6), and protective plate, the work bench with adjustable holder protective plate of rotary table are high manganese steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420738174.3U CN204339592U (en) | 2014-11-28 | 2014-11-28 | A kind of high ferro train wheel shot peening strengthening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420738174.3U CN204339592U (en) | 2014-11-28 | 2014-11-28 | A kind of high ferro train wheel shot peening strengthening device |
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| Publication Number | Publication Date |
|---|---|
| CN204339592U true CN204339592U (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420738174.3U Expired - Fee Related CN204339592U (en) | 2014-11-28 | 2014-11-28 | A kind of high ferro train wheel shot peening strengthening device |
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| CN (1) | CN204339592U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104400662A (en) * | 2014-11-28 | 2015-03-11 | 济南大学 | Shot peening strengthening device for high-speed train wheel |
-
2014
- 2014-11-28 CN CN201420738174.3U patent/CN204339592U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104400662A (en) * | 2014-11-28 | 2015-03-11 | 济南大学 | Shot peening strengthening device for high-speed train wheel |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20171128 |