CN105479137A - Automatic press-fitting tool for gearbox gear wheel of motor train unit and press-fitting pressure holding detection method - Google Patents
Automatic press-fitting tool for gearbox gear wheel of motor train unit and press-fitting pressure holding detection method Download PDFInfo
- Publication number
- CN105479137A CN105479137A CN201510804689.8A CN201510804689A CN105479137A CN 105479137 A CN105479137 A CN 105479137A CN 201510804689 A CN201510804689 A CN 201510804689A CN 105479137 A CN105479137 A CN 105479137A
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- Prior art keywords
- press
- gear wheel
- axle head
- axle end
- pushing cylinder
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
An automatic press-fitting tool for a gearbox gear wheel of a motor train unit comprises a positioning sleeve, a support sleeve, an axle end protective cover, an axle end protective block, a pull rod, a pull rod stop nut, a thrust pump oil cylinder, a press block, an inner push cylinder, an outer push cylinder and a sensor, wherein the positioning sleeve, the inner push cylinder, the support sleeve and the axle end protective cover are all in clearance fit with an axle; the inner push cylinder is mounted on the rear of the positioning sleeve, the inner wall of the inner push cylinder is in clearance fit with the support sleeve, and the inner wall of the support sleeve is in clearance fit with the axle end protective cover; the axle end protective block is fixed at the axle end of the axle and tightly presses the support sleeve and the axle end protective cover; the push rod is mounted in a central hole of the axle end protective cover, and penetrates backwards through the press block and a central hole of the thrust pump oil cylinder; the thrust pump oil cylinder is first fastened to the press block by a bolt and then pressed against the axle end by the pull rod stop nut; and the displacement sensor is mounted on the outer push cylinder, and an expansion pump oil pipe is connected with a gear oil inlet hole. When the gear wheel is press-fitted by the tool, the labor intensity is reduced, the press-fitting process of the gear wheel is monitored in real time, and the press-fitting quality of the gear wheel is ensured.
Description
Technical field
The invention belongs to the assembling specialty of motor train unit bogie, relate to a kind of be applied to motor train unit bogie gear-box gear wheel automatic press mounting, pressurize and detection device.
Background technology
Current, China's high ferro cause is flourish, and CRH3 EMUs are as main force's vehicle of domestic high ferro, production batch hits new peak repeatly, and one of gear-box parts that to be EMUs the most key, the core component of gear wheel gear-box especially, its mounting technology is always by external producer is monopolized.In order to grasp the assembling of CRH3 gear-box and gear wheel technology of pressure mounting, realize the localization of CRH3 gear-box, our factory is tackled key problems to gear wheel automatic press mounting and detection technique.
Summary of the invention
The object of this invention is to provide the gear-box gear wheel press-fitting tool that a kind of height is integrated, assembly precision is high, simple to operate, time saving and energy saving, complete monitoring, installation quality is reliable.Utilize this device can carry out the assembling of motor train unit bogie gear-box gear wheel, completed by press-fitting tool matching thrust pump and expansion pump and press-fit and pressurize, expansion pump passes through to the oiling of gear wheel inner ring, the size that gear wheel endoporus is occurred to a certain degree increases, and now, thrust pump starts pressurization, promote gear wheel along axletree axial advance, after arriving target size, carry out pressurize, pressure release, complete and press-fit.
Another object of the present invention is to provide a kind of EMUs gear-box gear wheel automatic press mounting pressurize detection method, realizes the automatic press mounting of EMUs gear wheel, reduces labour intensity, avoids the generation of mistake; Real-time monitoring gear wheel press-fit process, quit work in time when going wrong; Generate pressure, time, the isoparametric curve of displacement and trackability file, ensure the quality that gear wheel press-fits.
For achieving the above object, the invention provides a kind of EMUs gear-box gear wheel automatic press mounting frock, it is characterized in that: comprise positioning sleeve, support set, axle head protective sleeve, axle head protection block, pull bar, pull bar stop nut, thrust pump oil cylinder, briquetting, interior pushing cylinder, outer pushing cylinder, sensor, wherein, positioning sleeve, interior pushing cylinder, support set, axle head protective sleeve all with axletree matched in clearance, interior pushing cylinder is arranged on after positioning sleeve, be matched in clearance between interior pushing cylinder inwall and support set, it is matched in clearance between support set inwall and axle head protective sleeve, axle head protection block is fixed on axle shaft end and compresses support set and axle head protective sleeve, pull bar is installed on the centre bore also passing briquetting and thrust pump oil cylinder in axle head protection block centre bore backward, then first thrust pump oil cylinder be pressed on axle head by pull bar stop nut by bolted on briquetting, outer pushing cylinder is provided with displacement transducer, and by positioning sleeve, interior pushing cylinder, briquetting, thrust pump oil cylinder is connected into as a whole assembly, and expansion pump oil pipe connects gear wheel fuel feed hole.
A kind of EMUs gear-box gear wheel automatic press mounting pressurize detection method, is characterized in that comprising the following steps:
(1) press the start button on switch board, start thrust pump, be forced into 5MP;
(2) expansion pump is started, pressurization;
(3) the whether even leakage of oil of canine tooth wheel bore surrounding, if forward (4) step to, otherwise returns (2) step;
(4) whether expansion pump pressure maintains 40-80Mpa, is maximumly no more than 130Mpa, if forward (5) step to, otherwise terminates;
(5) start thrust pump, pressurization, gear wheel starts mobile;
(6) whether thrust pump pressure skyrockets 25-35Mpa, if forward (7) step to, otherwise returns (5) step;
(7) stop expansion pump and unload, thrust pump continues pressurize and unloads after 8-15 minute;
Whether the measurement data of (8) two groups of displacement transducers, all between 10.65-14.35mm, if forward (9) step to, otherwise terminates, moves back and unload gear wheel;
(9) press mounting curve and data are printed;
(10) terminate.
The good effect that the present invention produces compared to existing technology is as follows:
(1) by the research to CRH3 motor train unit bogie gear wheel automatic press mounting technique, made practicable process program, and made technological equipment, carried out engineer testing.
(2) realize the automatic press mounting of EMUs gear wheel, reduce labour intensity, avoid the generation of mistake.
(3) that monitors gear wheel in real time press-fits process, quits work in time when going wrong.
(4) generate pressure, time, the isoparametric curve of displacement and trackability file, ensure the quality that gear wheel press-fits.
(5) by integrated as a whole to expansion pump, thrust pump, frock etc., be convenient to management and move.
(6) be beneficial to the core technology grasped CRH3 gear-box and produce, realize autonomous production.
Accompanying drawing explanation
Figure 1A is overall structure stereogram of the present invention;
Figure 1B is overall structure front elevation of the present invention;
Fig. 1 C is overall structure side view of the present invention;
Fig. 2 is scheme of installation of the present invention;
Fig. 3 is that the present invention press-fits schematic diagram;
Fig. 4 press-fits flow chart.
Detailed description of the invention
With reference to Figure 1A, 1B, 1C and Fig. 2, press-fitting tool 2 of the present invention and switch board 1 are arranged on moving lifting dolly 3,4 is printers, 5 is thrust pump, and 6 is Hydraulic Stations, and 7 is expansion pumps, press the start button on switch board, start thrust pump, the pressurization of expansion pump, promotion gear wheel moves realization and press-fits, and prints press mounting curve and data by printer.
With reference to Fig. 3, the first half is for before press-fiting, and the latter half is for after press-fiting.Frock comprises positioning sleeve 201, support set 203, axle head protective sleeve 204, axle head protection block 205, pull bar 207, pull bar stop nut 206, thrust pump oil cylinder 208, interior pushing cylinder 202, outer pushing cylinder 211, sensor 209, 212, briquetting 210, expansion pump 213, wherein, positioning sleeve, interior pushing cylinder, support set, axle head protective sleeve all with axletree matched in clearance, interior pushing cylinder is arranged on after positioning sleeve, be matched in clearance between interior pushing cylinder inwall and support set, it is matched in clearance between support set inwall and axle head protective sleeve, axle head protection block is fixed on axle shaft end and compresses support set and axle head protective sleeve, pull bar is installed on the centre bore also passing briquetting 210 and thrust pump oil cylinder in axle head protection block centre bore backward, then first thrust pump oil cylinder be pressed on axle head by pull bar stop nut by bolted on briquetting 210, outer pushing cylinder is provided with displacement transducer, and by positioning sleeve, interior pushing cylinder, briquetting, thrust pump oil cylinder is connected into as a whole assembly, and expansion pump oil pipe connects gear fuel feed hole 8.
All parts (comprising press-fitting tool, thrust pump, expansion pump, Hydraulic Station, switch board, the printer etc.) integrated installation of this device is on a mobile liftable dolly, moving lifting dolly takes universal wheel as running gear, can adjust the six-freedom degree of press-fitting tool.After having adjusted, can by the height of dolly and position locked.Moving lifting dolly has upper and lower fine adjustment function, can make the pushing cylinder on dolly and axletree accurate contraposition.After installing positioning sleeve, support set, axle head protective sleeve, axle head protection block, after dolly is adjusted to suitable height and position, driven forward dolly, can make the pushing cylinder press-fited be installed on axletree.Finally pull bar and pull bar stop nut are installed, and fastening.Press the start button on switch board, starting device automatically completes to press-fit and exports with data.Press-fit dolly and be furnished with expansion pump and thrust pump, two pumps all have pressure sensor, be used for the state of Real-Time Monitoring pump pressure, the pushing cylinder of press-fitting tool is furnished with 6 displacement transducers, be divided into two groups, often organize three, the displacement before and after first group of gear wheel is used for controlling press-fiting, second group far away apart from gear wheel is used for comparing with first group verifying, and judges the quality of gear wheel entirety press-in.
With reference to Fig. 4, gear-box gear wheel pressing method comprises the following steps:
(1) manually support set, axle head protective sleeve, axle head protection block are installed to axle shaft end; After manually dolly being adjusted to suitable height and position, driven forward dolly, can make the pushing cylinder press-fited be installed on axletree; Pull bar and pull bar stop nut are installed, and fastening; Press the start button on switch board, start thrust pump, be forced into 5MP;
(2) expansion pump is started, pressurization;
(3) the whether even leakage of oil of canine tooth wheel bore surrounding, if forward (4) step to, otherwise returns (2) step;
(4) whether expansion pump pressure maintains 40-80Mpa, is maximumly no more than 130Mpa, if forward (5) step to, otherwise terminates;
(5) start thrust pump, pressurization, gear wheel starts mobile;
(6) whether thrust pump pressure skyrockets 25-35Mpa, if forward (7) step to, otherwise returns (5) step;
(7) stop expansion pump and unload, thrust pump continues pressurize and unloads after 8-15 minute;
Whether the measurement data of (8) two groups of displacement transducers, all between 10.65-14.35mm, if forward (9) step to, otherwise terminates, moves back and unload gear wheel;
(9) press mounting curve and data are printed;
(10) terminate.
Claims (2)
1. an EMUs gear-box gear wheel automatic press mounting frock, it is characterized in that: comprise positioning sleeve, support set, axle head protective sleeve, axle head protection block, pull bar, pull bar stop nut, thrust pump oil cylinder, briquetting, interior pushing cylinder, outer pushing cylinder, sensor, wherein, positioning sleeve, interior pushing cylinder, support set, axle head protective sleeve all with axletree matched in clearance, interior pushing cylinder is arranged on after positioning sleeve, be matched in clearance between interior pushing cylinder inwall and support set, it is matched in clearance between support set inwall and axle head protective sleeve, axle head protection block is fixed on axle shaft end and compresses support set and axle head protective sleeve, pull bar is installed on the centre bore also passing briquetting and thrust pump oil cylinder in axle head protection block centre bore backward, thrust pump oil cylinder is pressed on axle head by pull bar stop nut by bolted again on briquetting, outer pushing cylinder is provided with displacement transducer, and by positioning sleeve, interior pushing cylinder, briquetting, thrust pump oil cylinder is connected into as a whole assembly, expansion pump oil pipe connects gear wheel fuel feed hole.
2. a kind of EMUs gear-box gear wheel automatic press mounting pressurize detection method according to claim 1, is characterized in that comprising the following steps:
(1) press the start button on switch board, start thrust pump, be forced into 5MP;
(2) expansion pump is started, pressurization;
(3) the whether even leakage of oil of canine tooth wheel bore surrounding, if forward (4) step to, otherwise returns (2) step;
(4) whether expansion pump pressure maintains 40-80Mpa, is maximumly no more than 130Mpa, if forward (5) step to, otherwise terminates;
(5) start thrust pump, pressurization, gear wheel starts mobile;
(6) whether thrust pump pressure skyrockets 25-35Mpa, if forward (7) step to, otherwise returns (5) step;
(7) stop expansion pump and unload, thrust pump continues pressurize and unloads after 8-15 minute;
Whether the measurement data of (8) two groups of displacement transducers, all between 10.65-14.35mm, if forward (9) step to, otherwise terminates, moves back and unload gear wheel;
(9) press mounting curve and data are printed;
(10) terminate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510804689.8A CN105479137A (en) | 2015-11-20 | 2015-11-20 | Automatic press-fitting tool for gearbox gear wheel of motor train unit and press-fitting pressure holding detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510804689.8A CN105479137A (en) | 2015-11-20 | 2015-11-20 | Automatic press-fitting tool for gearbox gear wheel of motor train unit and press-fitting pressure holding detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105479137A true CN105479137A (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510804689.8A Pending CN105479137A (en) | 2015-11-20 | 2015-11-20 | Automatic press-fitting tool for gearbox gear wheel of motor train unit and press-fitting pressure holding detection method |
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| CN (1) | CN105479137A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108544214A (en) * | 2018-07-16 | 2018-09-18 | 安徽瑞铁轨道装备有限公司 | A kind of layback plate vertical and high-speed Railway wheelset gear wheel pressing machine |
| CN113997068A (en) * | 2021-10-31 | 2022-02-01 | 中车南京浦镇车辆有限公司 | Frame suspension type direct-drive bogie hub disc, motor and coupling installation assembly and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1556861A1 (en) * | 1988-07-20 | 1990-04-15 | Украинский заочный политехнический институт им.И.З.Соколова | Installation for heat disassembly of press-fitted joints |
| CN201264154Y (en) * | 2008-06-30 | 2009-07-01 | 北京铁科合力科技有限责任公司 | Numerical control wheelset press-mounting machine |
| CN201950447U (en) * | 2011-04-11 | 2011-08-31 | 鄂州市合强机械发展有限公司 | Wheel set press-mounting machine |
| CN203390502U (en) * | 2013-07-22 | 2014-01-15 | 马鞍山科瑞达机械制造有限公司 | Split hydraulic pin puller |
| CN103624523A (en) * | 2013-12-09 | 2014-03-12 | 南车戚墅堰机车车辆工艺研究所有限公司 | Axle and gear assembly and disassembly tooling and method |
| CN104400399A (en) * | 2014-11-29 | 2015-03-11 | 中国北车集团大连机车车辆有限公司 | Axle and gear press fitting device and method |
| CN205271342U (en) * | 2015-11-20 | 2016-06-01 | 长春轨道客车股份有限公司 | EMUs gear box gear wheel pressure equipment frock |
-
2015
- 2015-11-20 CN CN201510804689.8A patent/CN105479137A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1556861A1 (en) * | 1988-07-20 | 1990-04-15 | Украинский заочный политехнический институт им.И.З.Соколова | Installation for heat disassembly of press-fitted joints |
| CN201264154Y (en) * | 2008-06-30 | 2009-07-01 | 北京铁科合力科技有限责任公司 | Numerical control wheelset press-mounting machine |
| CN201950447U (en) * | 2011-04-11 | 2011-08-31 | 鄂州市合强机械发展有限公司 | Wheel set press-mounting machine |
| CN203390502U (en) * | 2013-07-22 | 2014-01-15 | 马鞍山科瑞达机械制造有限公司 | Split hydraulic pin puller |
| CN103624523A (en) * | 2013-12-09 | 2014-03-12 | 南车戚墅堰机车车辆工艺研究所有限公司 | Axle and gear assembly and disassembly tooling and method |
| CN104400399A (en) * | 2014-11-29 | 2015-03-11 | 中国北车集团大连机车车辆有限公司 | Axle and gear press fitting device and method |
| CN205271342U (en) * | 2015-11-20 | 2016-06-01 | 长春轨道客车股份有限公司 | EMUs gear box gear wheel pressure equipment frock |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108544214A (en) * | 2018-07-16 | 2018-09-18 | 安徽瑞铁轨道装备有限公司 | A kind of layback plate vertical and high-speed Railway wheelset gear wheel pressing machine |
| CN113997068A (en) * | 2021-10-31 | 2022-02-01 | 中车南京浦镇车辆有限公司 | Frame suspension type direct-drive bogie hub disc, motor and coupling installation assembly and method |
| CN113997068B (en) * | 2021-10-31 | 2024-02-20 | 中车南京浦镇车辆有限公司 | Frame suspension type direct-drive steering frame hub disc, motor and shaft coupling mounting assembly and method |
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| PB01 | Publication | ||
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Application publication date: 20160413 |