CN101712121B - Method for assembling gear set and special tool thereof - Google Patents
Method for assembling gear set and special tool thereof Download PDFInfo
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- CN101712121B CN101712121B CN2009102258939A CN200910225893A CN101712121B CN 101712121 B CN101712121 B CN 101712121B CN 2009102258939 A CN2009102258939 A CN 2009102258939A CN 200910225893 A CN200910225893 A CN 200910225893A CN 101712121 B CN101712121 B CN 101712121B
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- gear
- locating slot
- extension
- alignment pin
- pedestal
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- 238000000034 method Methods 0.000 title claims abstract description 21
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims 1
- 230000013011 mating Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000003754 machining Methods 0.000 abstract description 2
- 230000009347 mechanical transmission Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention relates to a method for assembling a gear set and a special tool thereof, which belong to the technical field of mechanical transmission. The method comprises the following steps: firstly manufacturing the special tool comprising a seat body, a first positioning groove, a second positioning groove, first positioning pins and a second positioning pin; placing a first gear between the two first positioning pins in a way that extended sections of the first positioning pins are closely attached to the tooth flank of the first gear; and then taking the first gear as a reference and arranging a second gear on the first gear in a way that the extended section of the second positioning pin is closely attached to the tooth flank of the second gear, and after the first and second gears are securely fixed, taking the first and second gears down. By means of the special tool, the method of the invention has the advantages of simplifying process procedures, ensuring the accuracy of angular positions after the gears are assembled in individual machining, needing no detection apparatus, reducing functional requirements on the purchasing of equipment and reducing the detection and manufacturing cost of products, and is practicable.
Description
Technical field
The present invention relates to a kind of assemble method of gear train, also relate to the special tooling of realizing this method simultaneously, belong to the mechanical transmissioning technology field.
Background technology
Gear train is very common in mechanical driving device.In-line gears in the gear train during fabrication often not only each gear the accuracy of gear of its setting is arranged, and angular position each other also has strict requirement.For the in-line gears of integral body processing, can by the lathe basis when guaranteeing machining accuracy, satisfy its angular position requirement each other.
Yet, differ greatly for parameter such as diameter, the number of teeth each other, perhaps very compact in-line gears of structure, material is not only taken a lot of work, taken to whole the manufacturing, and difficulty of processing is bigger.For this reason, adopt gear split processing sometimes, be assembled into process route together again.
Understand according to the applicant, the gear angular position the during assembling of existing split processing back need be by the detection means of special use, and constantly adjustment is guaranteed, and is very inconvenient.For example, the processing of two or more gear assembling roll flute needs to adopt the roll flute equipment that has special-purpose detection system to guarantee.
Summary of the invention
The objective of the invention is to: at the inconvenient part of above-mentioned prior art existence, a kind of angular position precision that not only can guarantee after each gear is assembled is proposed, and need not detection system, can simplify the assemble method of the gear train of technical process, provide the special tooling of this method of realization simultaneously.
In order to reach above purpose, the assemble method of gear train of the present invention comprises following basic step:
The first step, making special tooling: this special tooling comprises pedestal; Both sides, described pedestal center have first locating slot that at least one pair of radially extends at least in the position of corresponding first gear tooth slot, have second locating slot that at least one radially extends in the position of corresponding second gear tooth slot; The angular position of described first locating slot and second locating slot is corresponding with the angular position requirement after first gear and the assembling of second gear; The positioning section of first and second alignment pins that form moving sets with it is housed respectively in described first locating slot and second locating slot, and the extension of described alignment pin matches with the teeth groove of corresponding gear respectively.
Second goes on foot, first gear is placed between two first alignment pins, moves two first alignment pins respectively along two first locating slots, fits tightly until the extension of first alignment pin and the flank of first gear, and first alignment pin and pedestal are fixed;
The 3rd step, be benchmark, second gear be installed on first gear, and move second alignment pin, fit tightly, second alignment pin and pedestal are fixed until the extension of second alignment pin and the flank of second gear along second locating slot with first gear.
The 4th goes on foot, treats to take off after first gear and the second gear secure fixation.
Obviously, said method of the present invention has been simplified technical process by special tooling, can guarantee the angular position precision after each gear of single processing is assembled, detecting instrument-free has reduced the functional requirement to equipment purchasing, reduced the detection and the manufacturing cost of product, practical.
Description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing.
Fig. 1 is the special tooling structural representation of one embodiment of the invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 settles the structural representation of first gear for the frock that adopts Fig. 1 embodiment.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 installs the structural representation of second gear for the frock that adopts Fig. 1 embodiment.
Fig. 6 is the vertical view of Fig. 5.
The specific embodiment
Embodiment one
Present embodiment is assembled into example with the gear train that big or small two gears constitute.
Make earlier special tooling, as depicted in figs. 1 and 2, this special tooling is to treat that the Assembling gear axis is that pedestal 1 main body at center is an annular, and extending arm is extended in annular main body both sides.The both sides, center of annular main body have a pair of first locating slot 3 that radially extends near the position of correspondence little (first) gear compound graduation circle, the position of corresponding big (second) gear compound graduation circle has second locating slot 2 that radially extends on one of extending arm.The angular position of first locating slot and second locating slot is corresponding with the angular position after first gear and the assembling of second gear, in the present embodiment is on same diameter line.Convenient in order to assemble the location, on the annular main body, also be fixed with along 6 uniform supporting piles 4 of circle spacing.First and second alignment pins (referring to Fig. 3) that form moving sets with it are housed respectively in first locating slot and second locating slot, each alignment pin 6 constitutes by the extension of positioning section that is arranged in locating slot and bar shape, and the column diameter of extension and the between cog of corresponding gear match.Have between the positioning section of bolt head and the extension and have thread segment, therefore can constitute locking device, alignment pin is fixed tightly on the pedestal by the nut that is screwed in thread segment.
During assembling, as shown in Figure 3 and Figure 4, earlier pinion 5 is placed between two first alignment pins 6 with its axis and pedestal 1 Centered position, move two first alignment pins 6 respectively along two first locating slots again, after the flank for the treatment of the extension of first alignment pin 6 and pinion fits tightly, in the interval that supporting pile 4 forms, first alignment pin 6 is fixing with pedestal 1 by nut.
Then, as shown in Figure 5 and Figure 6, with gear wheel 7 heating (also can with pinion sub-cooled individually or simultaneously), the endoporus that itself and 5 positioning table stages of pinion are matched expands, and forms the gap of expanding with heat and contract with cold, and is benchmark with pinion 5 again, gear wheel 7 is fitted in the positioning table of pinion on the stage, and move second alignment pin 8 along second locating slot 2, and fit tightly until the extension of second alignment pin 8 and the flank of gear wheel 7, will be second alignment pin 8 is fixing with pedestal 1 by nut.Keep certain hour, treat that gear wheel cools off fully, after fixing with the reliable close-fitting of pinion, unclamp each alignment pin, take off the gear train that assembles.
Facts have proved, adopt present embodiment to have following outstanding advantage:
1) gear to be assembled is processed respectively, has guaranteed to need to adopt the gear effective case depth and the uniformity of Technologies for Heating Processing such as quenching, carburizing, nitrogenize;
2) significantly reduced the acquisition cost of equipment, reduced the detection cost, thereby, enhanced productivity at the overall manufacturing cost that guarantees to greatly reduce under the product quality premise product;
3) for needs assembling carrying out the again accurately machined gear train of roll flute, owing to guaranteed that gear teeth both sides flank of tooth stock removal is even as far as possible, therefore can under the situation that left and right sides stock removal equates, adopt the shortest bilateral grinding process process time, thereby significantly reduce the follow-up grinding fine finishining time.
In addition to the implementation, the present invention can also have other embodiments.For example, the extension of alignment pin can have the bulb that matches with between cog, thereby fits tightly with a way of contact and flank; For another example, after each gear assembling in place of gear train, can make its mutual secure fixation by modes such as securing member or welding; Or the like.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (7)
1. the assemble method of a gear train is characterized in that comprising following basic step:
The first step, making special tooling: this special tooling comprises pedestal; The inboard of the annular main body of described pedestal has first locating slot that at least one pair of radially extends in the position of corresponding first gear tooth slot, have second locating slot that at least one radially extends in the position of corresponding second gear tooth slot; The angular position of described first locating slot and second locating slot is corresponding with the angular position requirement after first gear and the assembling of second gear; The positioning section of first and second alignment pins that form moving sets with it is housed respectively in described first locating slot and second locating slot, and the extension of described first and second alignment pins matches with the teeth groove of corresponding gear respectively;
Second goes on foot, first gear is placed between two first alignment pins, moves two first alignment pins respectively along two first locating slots, fits tightly until the extension of first alignment pin and the flank of first gear, and first alignment pin and pedestal are fixed;
The 3rd step, be benchmark, second gear be installed on first gear, and move second alignment pin, fit tightly, second alignment pin and pedestal are fixed until the extension of second alignment pin and the flank of second gear along second locating slot with first gear;
The 4th goes on foot, treats to take off after first gear and the second gear secure fixation.
2. according to the assemble method of the described gear train of claim 1, it is characterized in that: in described the 3rd step, the cooling of first gear or/and second gear heats, is made it mating surface and produces the gap of expanding with heat and contract with cold, be benchmark with first gear again, second gear train is contained in the positioning table of first gear on the stage; In described the 4th step, treat that first gear and the reliable close-fitting of second gear are fixing after, take off the gear train that assembles again.
3. according to the assemble method of claim 1 or 2 described gear trains, it is characterized in that: described each alignment pin constitutes by the positioning section that is arranged in locating slot, extension and locking section, has between the positioning section of bolt head and the extension and has locking device; After the teeth groove of the extension of described each alignment pin and corresponding gear fits tightly, alignment pin is fixed tightly on the pedestal by locking device.
4. the special tooling of a gear train assembling is characterized in that: comprise pedestal; The inboard of the annular main body of described pedestal has first locating slot that at least one pair of radially extends in the position of corresponding first gear tooth slot, have second locating slot that at least one radially extends in the position of corresponding second gear tooth slot; The angular position of described first locating slot and second locating slot is corresponding with the angular position requirement after first gear and the assembling of second gear; The positioning section of first and second alignment pins that form moving sets with it is housed respectively in described first locating slot and second locating slot, and the extension of described first and second alignment pins matches with the teeth groove of corresponding gear respectively.
5. according to the special tooling of the described gear train of claim 4 assembling, it is characterized in that: described each alignment pin constitutes by the positioning section that is arranged in locating slot, extension and locking section, has between the positioning section of bolt head and the extension and has locking device.
6. according to the special tooling of the described gear train assembling of claim 5, it is characterized in that: be fixed with supporting pile uniformly at intervals on the main body of described pedestal.
7. according to the special tooling of the described gear train assembling of claim 6, it is characterized in that: the extension of described first and second alignment pins has cylinder or the bulb that matches with teeth groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102258939A CN101712121B (en) | 2009-08-18 | 2009-11-27 | Method for assembling gear set and special tool thereof |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910184315.5 | 2009-08-18 | ||
| CN200910184315 | 2009-08-18 | ||
| CN2009102258939A CN101712121B (en) | 2009-08-18 | 2009-11-27 | Method for assembling gear set and special tool thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101712121A CN101712121A (en) | 2010-05-26 |
| CN101712121B true CN101712121B (en) | 2011-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102258939A Active CN101712121B (en) | 2009-08-18 | 2009-11-27 | Method for assembling gear set and special tool thereof |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331631B (en) * | 2013-06-04 | 2017-08-04 | 池州市三力精工机械有限公司 | A kind of front top device of car chain hoist wheel periphery |
| CN104260024B (en) * | 2014-10-11 | 2015-12-02 | 重庆镭宝激光智能机器人制造有限公司 | A kind of for transmission gear pressing and the fixture welded |
| CN107020481B (en) * | 2017-04-20 | 2024-01-26 | 福建辉达机械有限公司 | Double planetary gear assembly equipment and assembly method thereof |
| CN108890562B (en) * | 2018-08-12 | 2019-05-07 | 盐城金刚星精密锻造有限公司 | A kind of positioning fixture mechanism for gear set assembly |
| CN110666728B (en) * | 2019-11-15 | 2021-05-04 | 日本电产科宝(浙江)有限公司 | Clamp apparatus |
| CN112427941B (en) * | 2020-03-26 | 2022-09-06 | 宁波市海曙必伟工业自动化有限公司 | Automatic assembly equipment for gear assembly and assembly method thereof |
| CN111250926A (en) * | 2020-04-03 | 2020-06-09 | 山东华成中德传动设备有限公司 | Duplex gear assembling tool and assembling method thereof |
| CN111496467A (en) * | 2020-05-11 | 2020-08-07 | 鹰普（中国）有限公司 | High-temperature assembly tool for gear propeller |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1463269A (en) * | 1920-12-14 | 1923-07-31 | Clabence A Johnson | Gear-assembling device |
| US1645669A (en) * | 1927-01-04 | 1927-10-18 | Francis Van Blarcom | Gear-wheel holder |
| CN201011354Y (en) * | 2007-02-12 | 2008-01-23 | 潍柴动力股份有限公司 | Engine intermediate gear positioning device |
| JP2009113167A (en) * | 2007-11-08 | 2009-05-28 | Ikd:Kk | Device and method of assembling gear shaft |
-
2009
- 2009-11-27 CN CN2009102258939A patent/CN101712121B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1463269A (en) * | 1920-12-14 | 1923-07-31 | Clabence A Johnson | Gear-assembling device |
| US1645669A (en) * | 1927-01-04 | 1927-10-18 | Francis Van Blarcom | Gear-wheel holder |
| CN201011354Y (en) * | 2007-02-12 | 2008-01-23 | 潍柴动力股份有限公司 | Engine intermediate gear positioning device |
| JP2009113167A (en) * | 2007-11-08 | 2009-05-28 | Ikd:Kk | Device and method of assembling gear shaft |
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| Publication number | Publication date |
|---|---|
| CN101712121A (en) | 2010-05-26 |
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Address after: 213011 Wuyi Road, Jiangsu, Changzhou, No. 258 Patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd. Address before: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 1, No. Patentee before: CSR QISHUYAN INSTITUTE Co.,Ltd. |
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Address after: 213011 258 Wuyi Road, Changzhou, Jiangsu Patentee after: CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co.,Ltd. Address before: 213011 258 Wuyi Road, Changzhou, Jiangsu Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |
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