CN202527994U - Friction wheel floating driving device - Google Patents
Friction wheel floating driving device Download PDFInfo
- Publication number
- CN202527994U CN202527994U CN2012201651400U CN201220165140U CN202527994U CN 202527994 U CN202527994 U CN 202527994U CN 2012201651400 U CN2012201651400 U CN 2012201651400U CN 201220165140 U CN201220165140 U CN 201220165140U CN 202527994 U CN202527994 U CN 202527994U
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- friction
- pedestal
- driving
- wheel
- accumulator
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- Expired - Fee Related
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Abstract
The utility model relates to a friction wheel floating driving device for an underfloor wheel set machine tool. The friction wheel floating driving device comprises a pedestal, friction driving rollers, oil cylinders, energy accumulators, stop valves and hydraulic control devices. Inclined surfaces are arranged at the upper end of the pedestal. Linear guide rails and oil cylinder bodies are arranged on the pedestal. Piston rods of the oil cylinders are connected with case bodies of the friction driving rollers. Main shafts are arranged in the case bodies of the friction driving rollers. Friction driving wheels and belt pulleys are arranged on the main shafts. Driving motors of the friction driving wheels are arranged on the case bodies of the friction driving rollers, and are connected with the main shafts through the belt pulleys and poly V-belts. The hydraulic control devices comprise the stop valves, the energy accumulators and the oil cylinders. Pipelines of the energy accumulators are connected with pipelines of the oil cylinders. According to the friction wheel floating driving device, four friction driving rollers are driven by four oil cylinders to contact with machined wheels respectively, so that the centering driving of a machined workpiece can be ensured by the friction driving rollers under a floating condition, and the repair and machining requirements of wheels of a plurality of locomotives can be met.
Description
Technical field
The utility model relates to a kind of wheel that do not fall to the friction pulley floating driving mechanism of lathe, particularly is implemented in the process friction pulley floating installation of motion automatically.
Background technology
The wheel of rail locomotive need be repaired after in use wearing and tearing being arranged.And the diameter of different locomotive wheels is different; The degree of wear of same wheel rim of locomotive after use is also different; Also be little simultaneously by big processing adding the man-hour wheel; This just need have good centering environment in process, the wheel that do not fall that also requires simultaneously to repair usefulness is under the quick condition when the drive wheels the friction pulley of lathe works.The applicant is once on February 23rd, 2011, and the wheel that just do not fall was not applied for a utility model patent to lathe " lifting centring means ", and Chinese patent number is: ZL201120044312.4, this patent was authorized on October 5th, 2011.But in this patent, only relate to the structure of lifting and feeling relieved of wheel, the drive unit of friction pulley is not described fully.
Summary of the invention
The purpose of the utility model is to the actual instructions for use of locomotive, provides a kind of and can satisfy the different-diameter wheel processing request do not fallen to taking turns the friction pulley floating driving mechanism on the lathe.
The said friction pulley floating driving mechanism of the utility model is based on the basis of " lifting centring means " Drive Structure of the friction roller that is provided.Promptly on the said pedestal that lifts centring means, four inclined planes are arranged; Be provided with line slideway and cylinder block on each basement tilt face; Lift locomotive wheel the friction-driven roller of usefulness is installed in through line slideway on the inclined plane of pedestal, line slideway comprises standing part and slipper, and its line slideway standing part and cylinder block are packed on the inclined plane of pedestal; The piston rod of oil cylinder constitutes the part in the line slideway slipper, and links with the casing of friction-driven roller; The transmission of friction-driven roller mainly comprises casing, main shaft, motor, reducing gear, belt wheel, polywedge bet, friction driving roller; Wherein main shaft is installed in the casing of friction-driven roller; Friction driving roller and belt wheel are placed on the main shaft; The drive motors of friction driving roller is installed on the casing of friction-driven roller, links to each other with main shaft with polywedge bet through belt wheel, promptly is arranged on the belt wheel of drive motors axle head reducing gear output and is connected through polywedge bet with belt wheel on the main shaft; Friction driving roller contacts with the wheel rim of locomotive during driving; The casing of friction-driven roller and the piston rod of oil cylinder link.The said friction pulley floating driving mechanism of the utility model also includes a cover hydraulic control device; The oil circuit that is each basement tilt face upper cylinder is controlled by valve group separately; The valve group includes hydraulic control one-way valve, stop valve, explosion relief valve, Pressure gauge; Oil cylinder links to each other through oil pipe with accumulator, between oil cylinder and accumulator, is provided with explosion relief valve, Pressure gauge, stop valve.
The operation principle of the said friction pulley floating driving mechanism of the utility model is: adopt four oil cylinders to drive four friction-driven rollers respectively and move upward along the inclined plane direction of pedestal separately, thereby the wheel that lifts locomotive is right; Four friction pulley while drive wheels, when driving, the startup stop valve of accumulator is opened, and when the wheel footpath became big, hydraulic oil was pushed back accumulator, and when wheel directly diminished, the hydraulic oil in the accumulator discharged, and friction driving roller is contacted with wheel tread all the time.
The said friction pulley floating driving mechanism of the utility model drives four friction-driven rollers respectively through four oil cylinders and contacts with processed wheel, can make the friction-driven roller guarantee that under the condition of floating processing work centering drives.Through check, adopt the said friction pulley floating installation of the utility model, be applied in numerical control and do not fall wheel on the processing machine lathe, can satisfy the reparation of many locomotive wheels and the requirement of processing work.
Description of drawings
Fig. 1: the friction pulley Drive Structure figure that floats;
Fig. 2: friction-driven roller cutaway view;
Fig. 3: friction pulley floating installation hydraulic schematic diagram;
In Fig. 1～Fig. 3: 1. pedestal, 2. cylinder block, 3. casing, 4. piston rod, 5. machine axis; 6. machine tooling wheel, 7. main shaft, 8. friction pulley, 9. belt wheel; 10. polywedge bet, 11. motors, 12. reducing gears, 13. explosion relief valves; 14. Pressure gauge, 15. stop valves, 16. accumulators, 17. hydraulic control one-way valves.
The specific embodiment
Below in conjunction with accompanying drawing, the structure and the principle of the described friction pulley floating driving mechanism of the utility model are done further to describe and explanation.
Fig. 1 is the said friction pulley of the utility model Drive Structure figure that floats, and pedestal 1 top is the structure at band angle of inclination, and cylinder block 2 is packed on the clinoplain of pedestal 1, the piston rod 4 on the oil cylinder and the casing of friction-driven roller 3 be linked together.Said friction-driven roller mainly comprises casing 3, main shaft 7 and friction driving roller 8.The friction-driven roller can be with piston rod 4 motions.
Friction pulley among Fig. 1 in left side and the right side view floats and drives the symmetry installation, and per two friction pulleys drive a wheel.The friction-driven roller in the left side view and the position of piston rod 4 are its highest extreme position that rises, and the friction-driven roller in the right side view and the position of piston rod 4 are its original position.
Fig. 2 is a friction-driven roller cutaway view.Main shaft 7 is arranged in the casing 3 of friction-driven roller, and friction driving roller 8 is installed in the end of main shaft 7, and belt wheel 9 is placed in the afterbody of main shaft 7; Motor 11 is placed on the casing 3 of friction-driven roller; Motor 11 outputs can be settled reducing gear 12, and the reducing gear output also is mounted with belt wheel 9 ', and two belt wheels, 9,9 ' the available polywedge bet 10 of main shaft 7 afterbodys and reducing gear output links to each other; In the unsteady driving process of friction pulley, by friction driving roller 8 wheel driven.
Fig. 3 is a friction pulley floating installation hydraulic schematic diagram, and promptly the oil circuit of each basement tilt face upper cylinder includes the valve group that hydraulic control one-way valve 17, stop valve 15, explosion relief valve 13, Pressure gauge 14 etc. constitute.Between oil cylinder and accumulator 16, be provided with stop valve 15 and explosion relief valve 13, Pressure gauge 14.When driving, the stop valve 15 of accumulator 16 is opened, when the wheel footpath becomes big; Friction driving roller 8 receives the compressing of locomotive wheel, and the piston rod 4 in the compacting oil cylinder makes hydraulic oil pushed back accumulator 16; When the wheel footpath diminishes; Hydraulic oil in the accumulator 16 discharges, and upwards promotes piston rod 4 friction driving roller 8 is contacted with wheel tread all the time, to guarantee that wheel is on machine axis 5.Pressure gauge 14 shows operating pressure, and is as shown in Figure 3, and said Pressure gauge 14 is the auxiliary equipment of this device with explosion relief valve 13; Said stop valve 15 can be a pneumatic stopping valve.
In conjunction with Fig. 1, Fig. 2, Fig. 3; With the processing radius is that the wheel of R1 is to being example; In the friction pulley driving process; Control is input in four cylinder blocks 2 pressure oil and promotes four piston rods 4 respectively and move upward along the inclined plane, and corresponding friction-driven roller moves to two wheels that four friction driving rollers 8 support locomotive with piston rod 4.6 rotations of friction driving roller 8 drive wheels, the stop valve 15 of accumulator 16 is opened, and when the wheel footpath became big, hydraulic oil was pushed back accumulator 16; When the wheel footpath diminished, the hydraulic oil in the accumulator 16 discharged, and friction driving roller 8 is contacted with wheel tread all the time.
Claims (5)
1. friction pulley floating driving mechanism; Comprise pedestal, friction-driven roller, oil cylinder, accumulator, stop valve, hydraulic control device; Said pedestal upper end is the inclined plane; The basement tilt face is provided with line slideway and cylinder block, and the casing of the piston rod of oil cylinder and friction-driven roller links; Main shaft is placed in the casing of friction-driven roller, and friction driving roller and belt wheel are placed on the main shaft; It is characterized in that the drive motors of friction driving roller is placed on the casing of friction-driven roller, the belt wheel of drive motors axle head reducing gear output is connected through polywedge bet with the belt wheel on the main shaft; Include stop valve, accumulator and oil cylinder in the said hydraulic control device, accumulator pipeline and cylinder pipe link.
2. according to the said friction pulley floating driving mechanism of claim 1, it is characterized in that said cylinder block is packed on the inclined plane of pedestal.
3. according to the said friction pulley floating driving mechanism of claim 1, it is characterized in that, be placed in two ends of main shaft at said friction driving roller and belt wheel respectively.
4. according to the said friction pulley floating driving mechanism of claim 1, it is characterized in that, link at said accumulator and stop valve.
5. according to the said friction pulley floating driving mechanism of claim 1, it is characterized in that, can be pneumatic stopping valve at said stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201651400U CN202527994U (en) | 2012-04-18 | 2012-04-18 | Friction wheel floating driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201651400U CN202527994U (en) | 2012-04-18 | 2012-04-18 | Friction wheel floating driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202527994U true CN202527994U (en) | 2012-11-14 |
Family
ID=47129202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201651400U Expired - Fee Related CN202527994U (en) | 2012-04-18 | 2012-04-18 | Friction wheel floating driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202527994U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658497A (en) * | 2012-04-18 | 2012-09-12 | 武汉重型机床集团有限公司 | Floating driving device for friction wheel |
| CN107344244A (en) * | 2016-05-07 | 2017-11-14 | 珠海启世机械设备股份有限公司 | A kind of numerical control lathe used for machining in-situ locomotive wheel friction pulley floating driving mechanism and its application method |
-
2012
- 2012-04-18 CN CN2012201651400U patent/CN202527994U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658497A (en) * | 2012-04-18 | 2012-09-12 | 武汉重型机床集团有限公司 | Floating driving device for friction wheel |
| CN102658497B (en) * | 2012-04-18 | 2014-06-25 | 武汉重型机床集团有限公司 | Floating driving device for friction wheel |
| CN107344244A (en) * | 2016-05-07 | 2017-11-14 | 珠海启世机械设备股份有限公司 | A kind of numerical control lathe used for machining in-situ locomotive wheel friction pulley floating driving mechanism and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20180418 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |