CN105039668A - Novel shot peening strengthening device for train wheels - Google Patents

Novel shot peening strengthening device for train wheels Download PDF

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Publication number
CN105039668A
CN105039668A CN201510406892.XA CN201510406892A CN105039668A CN 105039668 A CN105039668 A CN 105039668A CN 201510406892 A CN201510406892 A CN 201510406892A CN 105039668 A CN105039668 A CN 105039668A
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CN
China
Prior art keywords
wheel
wheel abrator
shot peening
cabinet
nozzle
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510406892.XA
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Chinese (zh)
Inventor
王又增
王守仁
高文
汤以品
李亚东
曹斐
黄跃
林立坡
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University of Jinan
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University of Jinan
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Priority to CN201510406892.XA priority Critical patent/CN105039668A/en
Publication of CN105039668A publication Critical patent/CN105039668A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a novel shot peening strengthening device for train wheels, and relates to the technical field of metal surface strengthening. The device mainly carries out shot peening strengthening on treads of the train wheels. The device mainly comprises blast wheel assemblies, a shot peening chamber, a shot collecting pond, a spiral conveying device, a work trolley and connectors. The train wheels needing shot peening strengthening are conveyed into the shot peening chamber by the work trolley, and shots injected by blast wheels pass through nozzles to constantly collide with the treads of the train wheels, so that the surfaces of the train wheels are strengthened. Generated dust is treated through other equipment connected with dedusting and exhaust connectors, and scattered shots are conveyed to shot separation connectors through the spiral conveying device to be provided for shot separation equipment. According to the novel shot peening strengthening device for the train wheels, the eight nozzles carry out shot peening strengthening operation at the same time, so that efficiency is higher, the strengthening effect is better, performance is reliable; the performance of the treads of the train wheels is improved; the automation capacity is higher; the shot peening chamber is reliable in sealing; the labor intensity of workers is relieved, and the work environment of the workers is improved.

Description

A kind of Novel fire wheel shot peening strengthening device
Technical field
The invention belongs to metal surface enhanced technical field, relate to a kind of shot peening strengthening device, specifically a kind of Novel fire wheel shot peening strengthening device.
Background technology
Shot Peening Technology is a kind of effective ways in process for treating surface, its principle of work utilizes pressurized air or high-pressure blast by metal ball material high-velocity jet and clashes into metallic surface, metallic surface is caused recoverable deformation and viscous deformation to occur and forms certain thickness hardened layer, improve the weave construction of metallic surface, improve the quality of metallic surface.
Shot Peening Technology has a wide range of applications in industrial circle, through the hardware of shot peening, surface quality obtains very large change, material attach power and the bonding strength of coating are improved, the work-ing life of coating or coating material obtains prolongation, for material protection and modification provide a main approach.
Shot peening strengthening is owing to forming one deck hardened layer in metallic surface, improve the erosion resistance of metallic substance, antifatigue and abrasion resistance properties, be widely used in aircraft engine blade, turbine blade etc. and achieve good effect, improve the work-ing life of mechanical component, improve the security that mechanical component runs, reduce the probability that mechanical component lost efficacy, extend the frequency that mechanical component is changed, save a large amount of funds, achieve good Social benefit and economic benefit.
Train wheel is one of main parts size of train, and the security of igneous rock cracks train running has vital effect, and the train wheel of high-quality is the important leverage of train safe operation.At present, wheel mainly cast steel wheel or the rolled steel wheel of train, after shaping (shape), assembles with axletree after Overheating Treatment, machining and rotproofing, forms wheel right, just can for train is for part.The tread of train wheel is not also through intensive treatment.Its erosion resistance of the train wheel of above-mentioned explained hereafter, wearability and anti-fatigue ability all await improving.
Because railroad wheel surface (face that train wheel contacts with rail head of rail end face) contacts with the long-term indirect of rail tread, train wheel is made to bear repeated load; In addition, under the effect of rolling resistance and sliding friction many factors, the frictional wear of train wheel later stage is serious, may wear to and to a certain degree must change train wheel.If delay train wheel frictional wear, just can shorten the cycle that train wheel is changed, thus reduce the cost of train maintenance and operation.
For bullet train, because speed is higher, operating mode is comparatively complicated, and the abrasion resistance properties and the anti-fatigue ability that improve train wheel are more particularly important.
At present, domestic to carry out the report of shot peening strengthening to train wheel more rare, and the device strengthened railroad wheel surface is rarer.
Summary of the invention
The present invention is directed to above-mentioned background technology and a kind of Novel fire wheel shot peening strengthening device is provided, for the shot peening strengthening in railroad wheel surface (face that train wheel contacts with rail head of rail end face), to improve the erosion resistance of train wheel, wear resistance and anti-fatigue performance, extend the cycle that train wheel is changed because of wear out failure, reduce the cost of train maintenance and operation.
The present invention solves the technical scheme that its technical problem takes: a kind of Novel fire wheel shot peening strengthening device, this device mainly comprises wheel abrator assembly, wheel abrator cabinet, Ji Wanchi, helix transporting device, boom truck and Link Port, wheel abrator cabinet is devised between wheel abrator assembly, Ji Wanchi is devised on the downside of wheel abrator cabinet, collection is designed with helix transporting device on the downside of ball pond, devise boom truck in wheel abrator cabinet working cavity, wheel abrator and wheel abrator cabinet are designed with multiple Link Port, described wheel abrator assembly totally four, wheel abrator cabinet each side two, its structure comprises wheel abrator, flexible pipe and nozzle, one end of flexible pipe is connected with wheel abrator discharging Link Port, the other end is connected with nozzle material-feeding Link Port, wheel abrator totally four, each wheel abrator is designed with four wheel abrator discharging Link Ports, flexible pipe is totally ten six roots of sensation, nozzle is fixed on the backplate of the wheel abrator cabinet left and right sides, there are two groups total 16, the corresponding railroad wheel surface of each nozzle, the distance of nozzle and railroad wheel surface can adjust, the top design of nozzle has circular plates, three time periods, (first stage is clean-up phase to the ball material of nozzle ejection, ball material speed is lower, subordinate phase is strain, and ball material speed is 1.5-2 times of first stage speed, phase III is the strengthening reinforcement stage, speed be the 3-5 of first stage speed doubly) in speed different, and improve (totally three grades) step by step, described wheel abrator cabinet is the place of shot peening strengthening operation, wheel abrator cabinet has two cavitys, and do not communicate, for when preventing shot-peening operation, dust back and forth flows in two cavitys, wheel abrator cabinet top design has four dedusting exhausting Link Ports, the each cavity of wheel abrator cabinet has two dedusting exhausting Link Ports respectively, and each cavity of wheel abrator cabinet is directly connected with Ji Wanchi, and Ji Wanchi directly communicates with the feed bin of helix transporting device, one end of described helix transporting device is designed with ball material and is separated Link Port, helix transporting device Main Function the bullet be scattered after shot peening strengthening is transported to after Ji Wanchi collects ball material to be separated Link Port, and each helix transporting device has independent motor to provide power for it, described boom truck totally two, in each cavity of wheel abrator cabinet each one, its structure comprises the motor rotated for reach, bracing frame, movable stand, backplate, support, for the reciprocating motor of movable stand and reach, each movable stand inboard is designed with backplate, reach one end is square shaft shape, motor (rotating for reach) to be connected with reach mother set by shaft coupling by bracing frame fixed support, mother set is rack-mount, reach square shaft shape one end can coordinate with mother set, movable stand is contacted with rail by roller, and be roller design shield cap, the cleaning of ball material on rail head face when roller protection and boom truck move when being mainly used in shot-peening operation, motor by chain drive for movable stand provides power, described Link Port comprises wheel abrator discharging Link Port, dedusting exhausting Link Port, nozzle material-feeding Link Port are separated Link Port with ball material, wheel abrator discharging Link Port, wheel abrator and hose connection interface arrangement, described dedusting exhausting Link Port, it is the interface arrangement that the induced exhaust of dust removal installation is connected with wheel abrator cabinet, described nozzle material-feeding Link Port, nozzle and hose connection interface arrangement, described ball material is separated Link Port, is the interface arrangement that helix transporting device is connected with ball material separating device.
Boom truck carries eight train wheels by reach under the driving of motor, enters wheel abrator cabinet cavity, close wheel abrator cabinet protective door, the ball material that nozzle at high speeds sprays constantly and step by step speed change clashes into railroad wheel surface, after shot peening strengthening operation completes, open protective door, boom truck is rolled away from, shot peening strengthening operation can be completed.
The invention has the beneficial effects as follows: 1. the design of dedusting exhausting Link Port, for the subnormal ambient building wheel abrator cabinet cavity prepares, when decreasing shot-peening operation, dust leaks, prevent the pollution of shot-peening operation surrounding environment, also for workman provides Working environment relatively preferably, larger advantage is had compared with the shot peening strengthening implement that other are open.2. be designed with two groups of totally ten six nozzles, eight nozzles often in group can simultaneously operation, and when train wheel is changed very fast, two groups of nozzles also can carry out shot peening strengthening operation simultaneously, efficiency is higher, compared with artificial hand-held nozzle, save a large amount of man-hours, improve production efficiency; In addition, equipment has people and shuts down ceaselessly feature, gives full play to the work capacity of machine, and the performance of enterprises is maximized.3. the design of Ji Wanchi and helix transporting device, for ball material separation and again utilize prepare, decrease the waste of ball material, saved resource, reduce the cost of shot-peening operation.4. train wheel is placed on after on boom truck, and shot peening strengthening operation just can be undertaken by predetermined requirement, and manual intervention is less, and level of automation is relatively high, dramatically reduces the labour intensity of workman, it also avoid the harm of shot peening strengthening operation to people.5. the train wheel after shot peening strengthening forms certain thickness hardened layer at its tread, the weave construction on top layer there occurs change, surface quality is improved, top layer material is dense, the erosion resistance of train wheel, abrasion resistance properties and anti-fatigue ability are obtained for raising, extend the work-ing life of train wheel, reduce the frequency that train wheel is changed, cost has been saved in operation for train, also saves a large amount of resources.
Accompanying drawing explanation
Fig. 1 is part-structure perspective view of the present invention.
Fig. 2 is the structural representation of Fig. 1 line of vision.
Fig. 3 is perspective view of the present invention.
Fig. 4 is Fig. 3 line of vision structural representation.
Fig. 5 is the left TV structure schematic diagram of Fig. 4.
Fig. 6 is internal structure perspective view of the present invention.
Fig. 7 is internal structure perspective view of the present invention.
In figure: 1 wheel abrator, 2 wheel abrator discharging Link Ports, 3 nozzle material-feeding Link Ports, 4 rail, 5 motors, 6 motors, 7 movable stands, 8 backplates, 9 wheel abrator cabinets, 10 train wheels, 11 reach, 12 motors, 13 nozzles, 14 shaft couplings, 15 helix transporting devices, 16 dedusting exhausting Link Ports, 17 Ji Wanchi, 18 ball material are separated Link Port, 19 bracing frames, 20 supports.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described, and wherein exemplary embodiment and explanation are only used for explaining the present invention, but not as a limitation of the invention.
As shown in Figures 1 to 7, a kind of Novel fire wheel shot peening strengthening device, this device mainly comprises wheel abrator assembly, wheel abrator cabinet 9, collection ball pond 17, helix transporting device 15, boom truck and Link Port, wheel abrator cabinet 9 is devised between wheel abrator assembly, collection ball pond 17 is devised on the downside of wheel abrator cabinet 9, collection is designed with helix transporting device 15 on the downside of ball pond 17, devises boom truck, wheel abrator 1 and wheel abrator cabinet 9 are designed with multiple Link Port in wheel abrator cabinet 9 working cavity, described wheel abrator assembly totally four, wheel abrator cabinet 9 each side two, its structure comprises wheel abrator 1, flexible pipe and nozzle 13, one end of flexible pipe is connected with wheel abrator discharging Link Port 2, the other end is connected with nozzle material-feeding Link Port 3, wheel abrator 1 totally four, each wheel abrator 1 is designed with four wheel abrator discharging Link Ports 2, flexible pipe is totally ten six roots of sensation, nozzle 13 is fixed on the backplate of wheel abrator cabinet 9 left and right sides, there are two groups total 16, corresponding train wheel 10 tread of each nozzle 13, nozzle 13 can adjust with the distance of train wheel 10 tread, the top design of nozzle 13 has circular plates, three time periods, (first stage is clean-up phase to the ball material that nozzle 13 sprays, ball material speed is lower, subordinate phase is strain, and ball material speed is 1.5-2 times of first stage speed, phase III is the strengthening reinforcement stage, speed be the 3-5 of first stage speed doubly) in speed different, and improve (totally three grades) step by step, described wheel abrator cabinet 9 is places of shot peening strengthening operation, wheel abrator cabinet 9 has two cavitys, and do not communicate, for when preventing shot-peening operation, dust back and forth flows in two cavitys, four dedusting exhausting Link Ports 16 of wheel abrator cabinet 9 top design, the each cavity of wheel abrator cabinet 9 has two dedusting exhausting Link Ports 16 respectively, and each cavity of wheel abrator cabinet 9 is directly connected with collection ball pond 17, and collection ball pond 17 directly communicates with the feed bin of helix transporting device 15, one end of described helix transporting device 15 is designed with ball material and is separated Link Port 18, helix transporting device 15 Main Function the bullet be scattered after shot peening strengthening is transported to ball material after collection ball pond 17 is collected be separated Link Port 18, and each helix transporting device has independent motor 5 to provide power for it, described boom truck totally two, in each cavity of wheel abrator cabinet 9 each one, its structure comprises the motor 12 rotated for reach, bracing frame 19, movable stand 7, backplate 8, support 20, for the reciprocating motor 6 of movable stand and reach 11, each movable stand inboard is designed with backplate 8, reach 11 one end is square shaft shape, motor 12(rotates for reach) to be connected with reach 11 mother set by shaft coupling 14 by bracing frame 19 fixed support, mother set is arranged on support 20, reach 11 square shaft shape one end can coordinate with mother set, movable stand 7 is contacted with rail 4 by roller, and be roller design shield cap, the cleaning of ball material on rail head face when roller protection and boom truck move when being mainly used in shot-peening operation, motor 6 by chain drive for movable stand 7 provides power, described Link Port comprises wheel abrator discharging Link Port 2, dedusting exhausting Link Port 16, nozzle material-feeding Link Port 3 are separated Link Port 18 with ball material, wheel abrator discharging Link Port 2, wheel abrator 1 and hose connection interface arrangement, described dedusting exhausting Link Port 16, it is the interface arrangement that the induced exhaust of dust removal installation is connected with wheel abrator cabinet 9, described nozzle material-feeding Link Port 3, nozzle 13 and hose connection interface arrangement, described ball material is separated Link Port 18, is the interface arrangement that helix transporting device 15 is connected with ball material separating device.
Boom truck carries eight train wheels 10 by reach 11 under the driving of motor 6, enters wheel abrator cabinet 9 one cavitys, close wheel abrator cabinet 9 protective door, the ball material of nozzle 13 high-velocity jet constantly and step by step speed change clashes into train wheel 10 tread, after shot peening strengthening operation completes, open protective door, boom truck is rolled away from, shot peening strengthening operation can be completed.
Before shot peening strengthening operation, according to the requirement of train wheel 10 shot peening strengthening, the distance between adjustment nozzle 13 and train wheel 10 tread, and (first stage is clean-up phase, and ball material speed is lower to set three shot-peening sessions; Subordinate phase is strain, and ball material speed is 1.5-2 times of first stage speed; Phase III is the strengthening reinforcement stage, speed be the 3-5 of first stage speed doubly) time and speed.After preparation work completes, boom truck is rolled away from from wheel abrator cabinet 9 cavity, and front movable stand 7 is separated with boom truck, with lifting machine, train wheel 10 is lifted on reach 11, once closely arrange eight train wheels 10 in the same way, after rigging out, starter motor 6, front movable stand 7 and boom truck are assembled (front movable stand 7 moves, reach one end is through movable stand 7 upper gland) and lock with other instruments, boom truck slowly sails wheel abrator cabinet 9 cavity into, after moving a certain distance, reach 11 square shaft end coordinates with mother set self-centering, starter motor 12, reach 11 drives train wheel 10 to rotate, close protective door, wheel abrator 1 is started working, the bullet of nozzle 13 transmitted at high speed constantly raises speed step by step at three time phases and clashes into train wheel 10 tread, thus complete shot peening strengthening operation.The bullet be scattered is pooled in the feed bin of spiral conveyer device 15 under the effect collecting ball pond 17 and backplate 8, be transported to ball material through helix transporting device 15 and be separated Link Port 18, be supplied to ball material separating device, the dust of generation is transported to other equipment through dedusting exhausting Link Port 16 and effectively processes.When carrying out shot peening strengthening operation in a cavity, can carry out also can carrying out shot peening strengthening operation (another cavity shot peening strengthening operation does not also terminate) after discharging or material loading or material loading complete to the boom truck of another cavity, after shot peening strengthening operation completes, boom truck rolls wheel abrator cabinet 9 cavity away from, front movable stand 7 is separated with boom truck, to its discharging be next round shot peening strengthening operation material loading, train wheel is exactly complete shot peening strengthening operation in above process.
By above-described embodiment, railroad wheel surface obtains shot peening strengthening, and on tread, forming certain thickness hardened layer, the weave construction on top layer there occurs change, and surface quality is improved, top layer material is dense, the erosion resistance of train wheel, abrasion resistance properties and anti-fatigue ability are obtained for raising, extend the work-ing life of train wheel, reduce the frequency that train wheel is changed, cost has been saved in operation for train, also saves a large amount of resources.
The foregoing is only embodiments of the invention, is not the restriction to the scope of the claims of the present invention.Every utilize summary of the present invention, specification sheets and accompanying drawing content to do equivalent structure or equivalent transformation, or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims (3)

1. a Novel fire wheel shot peening strengthening device, it is characterized in that: comprise wheel abrator assembly, wheel abrator cabinet, Ji Wanchi, helix transporting device, boom truck and Link Port, wheel abrator cabinet is devised between wheel abrator assembly, Ji Wanchi is devised on the downside of wheel abrator cabinet, collection is designed with helix transporting device on the downside of ball pond, devise boom truck in wheel abrator cabinet working cavity, wheel abrator and wheel abrator cabinet are designed with multiple Link Port; Described wheel abrator assembly totally four, wheel abrator cabinet each side two; Described wheel abrator cabinet is the place of shot peening strengthening operation, and wheel abrator cabinet top design has four dedusting exhausting Link Ports; One end of described helix transporting device is designed with ball material and is separated Link Port, and each helix transporting device has independent motor to provide power for it; Described boom truck totally two, in each cavity of wheel abrator cabinet each one, its structure comprise rotate for reach motor, bracing frame, movable stand, backplate, support, for the reciprocating motor of movable stand and reach; Each movable stand inboard is designed with backplate, reach one end is square shaft shape, motor (rotating for reach) to be connected with reach mother set by shaft coupling by bracing frame fixed support, mother set is rack-mount, reach square shaft shape one end can coordinate with mother set, movable stand is contacted with rail by roller, and is roller design shield cap, motor by chain drive for movable stand provides power.
2. a kind of Novel fire wheel shot peening strengthening device according to claim 1, it is characterized in that: wheel abrator assembly comprises wheel abrator, flexible pipe and nozzle, one end of flexible pipe is connected with wheel abrator discharging Link Port, the other end is connected with nozzle material-feeding Link Port, wheel abrator totally four, each wheel abrator is designed with four wheel abrator discharging Link Ports, flexible pipe is totally ten six roots of sensation, nozzle is fixed on the backplate of the wheel abrator cabinet left and right sides, there are two groups total 16, the corresponding railroad wheel surface of each nozzle, the distance of nozzle and railroad wheel surface can adjust, the top design of nozzle has circular plates, the speed of ball material within three time periods of nozzle ejection is different, and improve step by step.
3. a kind of Novel fire wheel shot peening strengthening device according to claim 1, it is characterized in that: wheel abrator cabinet has two cavitys, and do not communicate, the each cavity of wheel abrator cabinet has two dedusting exhausting Link Ports respectively, each cavity of wheel abrator cabinet is directly connected with Ji Wanchi, and Ji Wanchi directly communicates with the feed bin of helix transporting device.
CN201510406892.XA 2015-07-13 2015-07-13 Novel shot peening strengthening device for train wheels Pending CN105039668A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111168582A (en) * 2020-03-10 2020-05-19 济南大学 Shot blasting machine for ship anchor

Citations (2)

* Cited by examiner, † Cited by third party
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
CN204918684U (en) * 2015-07-13 2015-12-30 济南大学 Novel train wheel peening device

Patent Citations (2)

* Cited by examiner, † Cited by third party
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
CN204918684U (en) * 2015-07-13 2015-12-30 济南大学 Novel train wheel peening device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111168582A (en) * 2020-03-10 2020-05-19 济南大学 Shot blasting machine for ship anchor

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Application publication date: 20151111