CN107344244A - A kind of numerical control lathe used for machining in-situ locomotive wheel friction pulley floating driving mechanism and its application method - Google Patents
A kind of numerical control lathe used for machining in-situ locomotive wheel friction pulley floating driving mechanism and its application method Download PDFInfo
- Publication number
- CN107344244A CN107344244A CN201610295862.0A CN201610295862A CN107344244A CN 107344244 A CN107344244 A CN 107344244A CN 201610295862 A CN201610295862 A CN 201610295862A CN 107344244 A CN107344244 A CN 107344244A
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- China
- Prior art keywords
- friction
- hydraulic
- friction pulley
- hydraulic jack
- driving roller
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B5/28—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning wheels or wheel sets or cranks thereon, i.e. wheel lathes
- B23B5/32—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning wheels or wheel sets or cranks thereon, i.e. wheel lathes for reconditioning wheel sets without removing same from the vehicle; Underfloor wheel lathes for railway vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/10—Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/26—Fluid-pressure drives
- B23Q5/261—Fluid-pressure drives for spindles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/32—Feeding working-spindles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
Abstract
A kind of numerical control lathe used for machining in-situ locomotive wheel friction pulley floating driving mechanism, including pedestal, drive mechanism, hydraulic mechanism, drive mechanism is provided with the pedestal, the hydraulic mechanism is connected by pipeline with drive mechanism, while also discloses the application method of the friction pulley floating driving mechanism.The present invention is simple in construction, reasonable in design, one motor control, one friction driving roller, and motor speed is adjusted by frequency converter, the hydraulic oil brought so as to completely avoid fluid motor-driven, which is run, emits leak out danger and its noise problem, hydraulic jack oil pressure is controlled by accumulator, friction driving roller is ensured workpieces processing centering driving under float conditions, avoid locomotive wheel and friction driving roller slippage problems.
Description
Technical field
The present invention relates to a kind of numerical control lathe used for machining in-situ locomotive wheel, especially a kind of numerical control lathe used for machining in-situ locomotive wheel friction pulley floating driving mechanism and its application method.
Background technology
After the wheel of rail locomotive to having abrasion in use, need to be repaired, and the diameter of different locomotive wheels is different, the degree of wear of same wheel rim of locomotive after use is also different, in processing, wheel is also small by processing greatly simultaneously, this just needs have good centering environment in process, in order to reduce the radial run-out of locomotive wheel in process, while also requires that the friction pulley of the lathe used for machining in-situ locomotive wheel of reparation is under quick condition in driving moment and works.Friction pulley floating driving machine structure is an important composition mechanism on non-pulling wheel lathe, it is mainly used for non-pulling wheel lathe and takes turns power support to rotation in the course of the work, and make wheel in the course of the work with horizontal plane keeping parallelism, friction pulley floating driving mechanism mainly uses two kinds of type of drive of hydraulic motor and motor in existing non-pulling wheel lathe, motor is driven to single motor and drives two friction driving rollers, the problems such as leaking out danger and its noise is emitted and there is hydraulic oil race in fluid motor-driven, because single motor drives two friction driving rollers to cause wheel and skidding caused by 2 contact point linear velocity differences of driving wheel.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides the friction pulley floating driving mechanism and its application method for the numerical control lathe that a kind of each driving wheel is driven by single motor.
The technical scheme is that：A kind of numerical control lathe used for machining in-situ locomotive wheel friction pulley floating driving mechanism, including pedestal, drive mechanism, hydraulic mechanism, drive mechanism are provided with the pedestal, the hydraulic mechanism is connected by pipeline with drive mechanism.
The drive mechanism includes casing friction pulley, motor, shaft coupling, electric machine main shaft, friction driving roller, hydraulic jack, hydraulic jack and friction pulley casing are provided with the pedestal, the hydraulic jack is connected by piston rod with friction pulley casing, motor is provided with the friction pulley casing, the motor is connected by shaft coupling with electric machine main shaft, the electric machine main shaft is arranged in friction pulley casing, and the electric machine main shaft end set has friction driving roller.
The hydraulic jack, friction driving roller and number of motors are corresponding, are 2.
The hydraulic mechanism includes hydraulic control one-way valve, stop valve, accumulator, the accumulator is connected by the oil circuit of pipeline and hydraulic jack, pressure switch, hydraulic control one-way valve, stop valve are provided between the hydraulic jack and accumulator, in driving, the stop valve of accumulator is opened, when the pressure of hydraulic jack is less than setup pressure value, hydraulic oil release in accumulator, pushing up piston rod makes friction driving roller be contacted all the time with locomotive wheel tread, to ensure locomotive wheel on machine axis.
Described stop valve is hydraulic stop valve.
A press mechanism is additionally provided with the pedestal, the press mechanism includes the hoist cylinder being arranged on pedestal and the fixed plate being arranged on hoist cylinder, the press mechanism also includes paw, slide plate, the paw cylinder being arranged in fixed plate, the paw cylinder is connected with slide plate, the slide plate is connected with paw, fixed plate is driven to move up and down by hoist cylinder, paw cylinder is by driving paw so as to compressing locomotive axle.
A kind of numerical control lathe used for machining in-situ locomotive wheel friction pulley floating driving mechanism, its application method are：The friction driving roller drives in the vertical direction to have three positions by hydraulic jack：Low level, middle position and its a high position, low level are the original state positions of drive mechanism, and a high position is the extreme position of the rising of drive mechanism, and middle position is the operating position of drive mechanism；Hydraulic jack is moved by driving friction driving roller along the vertical direction of pedestal, middle position is reached so as to lift train wheel, hydraulic jack driving friction driving roller rises so as to which train wheel is lifted away from into active rail after train wheel reaches bit positions, and the axle weight of train wheel is calculated by the oil circuit of hydraulic jack, drive mechanism rises to a high position, then, friction driving roller declines, control drive mechanism to drop to middle position by press mechanism and pressurize, drive friction driving roller rotation to drive locomotive wheel to rotate by motor.
Beneficial effects of the present invention are：It is simple in construction, reasonable in design, one motor control, one friction driving roller, and motor speed is adjusted by frequency converter, the hydraulic oil brought so as to completely avoid fluid motor-driven, which is run, emits leak out danger and its noise problem, hydraulic jack oil pressure is controlled by accumulator, friction driving roller is ensured workpieces processing centering driving under float conditions, avoid locomotive wheel and friction driving roller slippage problems.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the hydraulic schematic diagram of the present invention；
In figure, 1- pedestals, 2- motors, 3- friction pulley casings, 4- electric machine main shafts, 5- friction driving rollers, 6- hydraulic jacks, 7- hoist cylinders, 8- paw cylinders, 9- sliding blocks, 10- paws.
Embodiment
The embodiment of the present invention is described further below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of numerical control lathe used for machining in-situ locomotive wheel friction pulley floating driving mechanism, including pedestal 1, drive mechanism, hydraulic mechanism, drive mechanism is provided with the pedestal, the hydraulic mechanism is connected by pipeline with drive mechanism.
The drive mechanism on casing friction pulley 3, motor 2, shaft coupling, electric machine main shaft 4, friction driving roller 5, hydraulic jack 6, the pedestal 1 including being provided with hydraulic jack 6 and friction pulley casing 3, the hydraulic jack 6 is connected by piston rod with friction pulley casing 3, motor 2 is provided with the friction pulley casing 3, the motor 2 is connected by shaft coupling with electric machine main shaft 4, the electric machine main shaft 4 is arranged in friction pulley casing 3, and the end set of electric machine main shaft 4 has friction driving roller 5；Hydraulic jack 6 and friction driving roller 5 quantity is 2, and the quantity of motor 2 is corresponding with the quantity of friction driving roller 5.
As shown in Figure 2, the hydraulic mechanism includes hydraulic control one-way valve, hydraulic stop valve, accumulator, the accumulator is connected by pipeline with the oil circuit of hydraulic jack 6, pressure switch, hydraulic control one-way valve, hydraulic stop valve are provided between the hydraulic jack 6 and accumulator, in driving, the hydraulic stop valve of accumulator is opened, when the pressure of hydraulic jack is less than setup pressure value, hydraulic oil release in accumulator, pushing up piston rod makes friction driving roller be contacted all the time with locomotive wheel tread, to ensure locomotive wheel on machine axis.
A press mechanism is additionally provided with the pedestal 1, the press mechanism includes the hoist cylinder 7 being arranged on pedestal 1 and the fixed plate being arranged on hoist cylinder 7, the press mechanism also includes paw 10, slide plate 9, the paw cylinder 8 being arranged in fixed plate, the paw cylinder 8 is connected with slide plate 9, the slide plate 9 is connected with paw 10, fixed plate is driven to move up and down by hoist cylinder 7, paw cylinder 8 is by driving paw 10 to compress locomotive axle.
Numerical control lathe used for machining in-situ locomotive wheel friction pulley floating driving mechanism provided by the present invention, its application method are：The friction driving roller 5 drives in the vertical direction to have three positions by hydraulic jack 6：Low level, middle position and its a high position, low level are the original state positions of drive mechanism, and a high position is the extreme position of the rising of drive mechanism, and middle position is the operating position of drive mechanism.
Hydraulic jack 6 was moved by driving on vertical direction of the friction driving roller 5 along pedestal 1 before this, middle position is reached so as to lift train wheel, hydraulic jack 6 drives friction driving roller 5 to rise so as to which train wheel is lifted away from into active rail after train wheel reaches bit positions, and the axle weight of train wheel is calculated by the oil circuit of hydraulic jack 6, drive mechanism rises to a high position, then, friction driving roller 5 declines, control drive mechanism to drop to middle position by press mechanism and pressurize, drive friction driving roller 5 to rotate so as to drive locomotive wheel to rotate by motor 2.
Merely illustrating the principles of the invention described in above-described embodiment and specification and most preferred embodiment; without departing from the spirit and scope of the present invention; various changes and modifications of the present invention are possible, and these changes and improvements all fall within the protetion scope of the claimed invention.
Claims (7)
1. a kind of numerical control lathe used for machining in-situ locomotive wheel friction pulley floating driving mechanism, including pedestal, drive mechanism, hydraulic mechanism, drive mechanism is provided with the pedestal, the hydraulic mechanism is connected by pipeline with drive mechanism.
2. according to claim1A kind of described numerical control lathe used for machining in-situ locomotive wheel friction pulley floating driving mechanism, it is characterised in that：The drive mechanism includes casing friction pulley, motor, shaft coupling, electric machine main shaft, friction driving roller, hydraulic jack, hydraulic jack and friction pulley casing are provided with the pedestal, the hydraulic jack is connected by piston rod with friction pulley casing, motor is provided with the friction pulley casing, the motor is connected by shaft coupling with electric machine main shaft, the electric machine main shaft is arranged in friction pulley casing, and the electric machine main shaft end set has friction driving roller.
3. according to claim2A kind of described numerical control lathe used for machining in-situ locomotive wheel friction pulley floating driving mechanism, it is characterised in that：The hydraulic jack, friction driving roller and number of motors are corresponding, are 2.
4. according to claim1A kind of described numerical control lathe used for machining in-situ locomotive wheel friction pulley floating driving mechanism, it is characterised in that：The hydraulic mechanism includes hydraulic control one-way valve, stop valve, accumulator, the accumulator is connected by the oil circuit of pipeline and hydraulic jack, pressure switch, hydraulic control one-way valve, stop valve are provided between the hydraulic jack and accumulator, in driving, the stop valve of accumulator is opened, when the pressure of hydraulic jack is less than setup pressure value, hydraulic oil release in accumulator, pushing up piston rod makes friction driving roller be contacted all the time with locomotive wheel tread, to ensure locomotive wheel on machine axis.
5. according to claim4A kind of described numerical control lathe used for machining in-situ locomotive wheel friction pulley floating driving mechanism, it is characterised in that：Described stop valve is hydraulic stop valve.
6. according to claim1A kind of described numerical control lathe used for machining in-situ locomotive wheel friction pulley floating driving mechanism, it is characterised in that：A press mechanism is additionally provided with the pedestal, the press mechanism includes the hoist cylinder being arranged on pedestal and the fixed plate being arranged on hoist cylinder, the press mechanism also includes paw, slide plate, the paw cylinder being arranged in fixed plate, the paw cylinder is connected with slide plate, the slide plate is connected with paw, fixed plate is driven to move up and down by hoist cylinder, paw cylinder is by driving paw so as to compressing locomotive axle.
7. according to claim1A kind of application method of described numerical control lathe used for machining in-situ locomotive wheel friction pulley floating driving mechanism, it is characterised in that：The friction driving roller drives in the vertical direction to have three positions by hydraulic jack：Low level, middle position and its a high position, low level are the original state positions of drive mechanism, and a high position is the extreme position of the rising of drive mechanism, and middle position is the operating position of drive mechanism；Hydraulic jack is moved by driving friction driving roller along the vertical direction of pedestal, middle position is reached so as to lift train wheel, hydraulic jack driving friction driving roller rises so as to which train wheel is lifted away from into active rail after train wheel reaches bit positions, and the axle weight of train wheel is calculated by the oil circuit of hydraulic jack, drive mechanism rises to a high position, then, friction driving roller declines, control drive mechanism to drop to middle position by press mechanism and pressurize, drive friction driving roller rotation to drive locomotive wheel to rotate by motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610295862.0A CN107344244A (en) | 2016-05-07 | 2016-05-07 | A kind of numerical control lathe used for machining in-situ locomotive wheel friction pulley floating driving mechanism and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610295862.0A CN107344244A (en) | 2016-05-07 | 2016-05-07 | 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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| Publication Number | Publication Date |
|---|---|
| CN107344244A true CN107344244A (en) | 2017-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610295862.0A Pending CN107344244A (en) | 2016-05-07 | 2016-05-07 | 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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| CN (1) | CN107344244A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111356547A (en) * | 2017-11-17 | 2020-06-30 | 黑根沙伊特-Mfd有限公司 | Device and method for calibrating a lathe without a calibration wheel set |
| WO2023066379A1 (en) | 2021-10-23 | 2023-04-27 | 济南泰成科技有限公司 | Fully-electric fixed non-drop wheel lathe |
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|---|---|---|---|---|
| US4347769A (en) * | 1979-09-19 | 1982-09-07 | Wilhelm Hegenscheidt Gesellschaft Mbh | Underfloor lathe for profiling wheel sets |
| JPH02205434A (en) * | 1989-01-31 | 1990-08-15 | Hiroshi Nakazawa | Control structure for oil pressure of high speed feeding device |
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| CN103084638A (en) * | 2013-01-16 | 2013-05-08 | 苏州爱博纳重工装备科技有限公司 | Round working table driving and sliding base feed driving device |
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2016
- 2016-05-07 CN CN201610295862.0A patent/CN107344244A/en active Pending
Patent Citations (6)
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| JPH02205434A (en) * | 1989-01-31 | 1990-08-15 | Hiroshi Nakazawa | Control structure for oil pressure of high speed feeding device |
| CN102211287A (en) * | 2011-06-07 | 2011-10-12 | 齐凤尚 | Numerically controlled hydraulic lathe |
| CN202527994U (en) * | 2012-04-18 | 2012-11-14 | 武汉重型机床集团有限公司 | Friction wheel floating driving device |
| CN103084638A (en) * | 2013-01-16 | 2013-05-08 | 苏州爱博纳重工装备科技有限公司 | Round working table driving and sliding base feed driving device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111356547A (en) * | 2017-11-17 | 2020-06-30 | 黑根沙伊特-Mfd有限公司 | Device and method for calibrating a lathe without a calibration wheel set |
| CN111356547B (en) * | 2017-11-17 | 2022-05-03 | 黑根沙伊特-Mfd有限公司 | Device and method for calibrating a lathe without a calibration wheel set |
| US11453061B2 (en) | 2017-11-17 | 2022-09-27 | Hegenscheidt-Mfd Gmbh | Device and method for calibrating an underfloor wheelset lathe without a calibration wheelset |
| WO2023066379A1 (en) | 2021-10-23 | 2023-04-27 | 济南泰成科技有限公司 | Fully-electric fixed non-drop wheel lathe |
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Application publication date: 20171114 |
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| RJ01 | Rejection of invention patent application after publication |