WO2013056537A1 - Method for assembling automatic transmission case and dedicated tool thereof - Google Patents

Method for assembling automatic transmission case and dedicated tool thereof Download PDF

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Publication number
WO2013056537A1
WO2013056537A1 PCT/CN2012/074051 CN2012074051W WO2013056537A1 WO 2013056537 A1 WO2013056537 A1 WO 2013056537A1 CN 2012074051 W CN2012074051 W CN 2012074051W WO 2013056537 A1 WO2013056537 A1 WO 2013056537A1
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WO
WIPO (PCT)
Prior art keywords
clutch
automatic transmission
transmission case
passage
assembling
Prior art date
Application number
PCT/CN2012/074051
Other languages
French (fr)
Chinese (zh)
Inventor
刘祥伍
苏成云
魏文书
高晓光
Original Assignee
盛瑞传动股份有限公司
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Application filed by 盛瑞传动股份有限公司 filed Critical 盛瑞传动股份有限公司
Priority to KR1020147013346A priority Critical patent/KR101650638B1/en
Publication of WO2013056537A1 publication Critical patent/WO2013056537A1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/031—Gearboxes; Mounting gearing therein characterised by covers or lids for gearboxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H2057/0056—Mounting parts arranged in special position or by special sequence, e.g. for keeping particular parts in his position during assembly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02039—Gearboxes for particular applications
    • F16H2057/02043—Gearboxes for particular applications for vehicle transmissions

Definitions

  • the present invention relates to a method of assembling a transmission, and in particular to a method for assembling an automatic transmission case and a special tool thereof, and belongs to the technical field of machinery.
  • the transmission case usually consists of a front case and a rear case. After the front case assembly and the rear case assembly of the transmission are respectively assembled, the front case and the rear case need to be assembled to form a complete transmission. .
  • the clutch of the conventional transmission is generally disposed separately on the front case or the rear case.
  • the transmission case of this structure is relatively simple to assemble, and two positioning pins are used between the front case and the rear case to align the corresponding corresponding shafts and holes. It can be assembled by press fitting. This structure causes the transmission to have a relatively large size, a large space and a large volume.
  • the technical problem to be solved by the present invention is to provide an assembly method of an automatic transmission case and a special tool thereof, which overcomes the difficulty in aligning the toothed clutch friction plate and the clutch hub and maintaining the clutch friction plate in the prior art. Fixed defects without misalignment.
  • the method and the special tool thereof By using the method and the special tool thereof to assemble the transmission case, it is easy to keep the friction plate fixed without dislocation, and the assembly efficiency is high and the accuracy is high.
  • an assembly method of an automatic transmission case the transmission case includes a front case and a rear case, and the input case, the output shaft and the clutch hub are mounted on the rear case
  • the front box body is provided with an input shaft hole, an output shaft hole and a clutch friction plate, and the rear box body and the front box body are respectively provided with positioning devices
  • the end cover of the front box body is provided with a radial clutch oil passage
  • the front The outer side of the box end cover is provided with an axial oil inlet hole, and the oil inlet hole is connected with the clutch oil passage.
  • the axial passage is in communication with the clutch oil passage, and the axial passage is located on the same axis as the oil inlet hole;
  • the axial passage has an internal thread.
  • the positioning device on the rear box is a positioning pin
  • the positioning device on the front box is a positioning pin hole
  • the positioning device on the rear box is a positioning pin hole
  • the positioning device on the front box is a positioning pin
  • the present invention also provides a special tool for implementing the assembling method of the automatic transmission case according to the claim, wherein the special tool comprises a pipe body, and a shaft is arranged in the pipe body.
  • the special tool comprises a pipe body, and a shaft is arranged in the pipe body.
  • the pipe body is provided with a closed end, and the closed end is used for sealing the oil inlet hole of the automatic transmission case body, and the pipe body is provided with a radial air hole, and the radial air hole is in communication with the inflation passage.
  • the other end of the pipe body is provided with a boss.
  • the boss is provided with an external thread.
  • the closed end and the boss position are respectively provided with O-rings, and the O-rings are located on both sides of the radial air holes.
  • the number of radial pores is 1-4.
  • a specific optimization scheme has four radial pores.
  • the invention adopts the above technical solution, and has the following advantages compared with the prior art: processing the axial passage communicating with the clutch oil passage on the inner side of the front casing end cover and using the special tool, only the pressure of the gas can be used easily align the toothed clutch friction plate and clutch hub, it is easy to keep the clutch friction plate fixed and free of misalignment.
  • the front and rear housings are simple to assemble, the accuracy is high, the work efficiency is improved, and the repair rate is effectively reduced.
  • FIG. 1 is a schematic structural view of a rear case according to Embodiment 1 of the present invention.
  • FIG. 2 is a schematic structural view of a front case according to Embodiment 1 of the present invention.
  • Figure 3 is a rear elevational view of the front case in the first embodiment of the present invention.
  • Figure 4 is a cross-sectional view taken along line A-A of Figure 3;
  • Figure 5 is an assembled view of a special tool and a front case in the embodiment of the present invention.
  • Figure 6 is a schematic structural view of a oil plug in an embodiment of the present invention.
  • FIG. 7 is a schematic structural view of a special tool according to an embodiment of the present invention.
  • Embodiment 1 as shown in FIG. 1, FIG. 2, FIG. 3, an assembly method of an automatic transmission case
  • the transmission case includes a front case 24 and a rear case 25, and an input shaft 1 is mounted on the rear case 25
  • the intermediate shaft 3, the output shaft 5, the clutch hub 11 and the transmission shaft 13, the front housing 24 is provided with an input shaft hole 2, an intermediate shaft hole 4, an output shaft hole 6, a clutch friction plate 12 and a transmission shaft hole 14, and then Positioning devices are respectively disposed on the box body 25 and the front box body 24.
  • the positioning device on the rear box body 25 is a first positioning pin 7 and a second positioning pin 9.
  • the positioning device on the front box body 24 is a first positioning pin hole. 8.
  • the second positioning pin hole 10 the end cover of the front box body 24 is provided with a radial clutch oil passage 16, and the outer side of the end cover of the front box body 24 is provided with an axial oil inlet hole 18, and the oil inlet hole 18 is The clutch oil passage 16 is connected;
  • the assembly method includes the following steps:
  • An axial passage 17 is formed on the inner side of the end cover of the front case 24.
  • the axial passage 17 has an internal thread, and the axial passage 17 communicates with the clutch oil passage 16, and the axial passage 17 and the oil inlet hole 18 are on the same axis. ;
  • the tubular body 23 of the special tool is inserted into the axial passage 17 from the inner side of the front casing 24, and the boss 29 is fixedly coupled with the internal thread of the axial passage 17 by its external thread, and the tubular body 23 is connected.
  • the closed end 28 is sealingly engaged with the oil inlet hole 18 through the O-ring 19, the closed end 28 blocks the oil inlet hole 18, and the O-ring 21 at the position of the boss 29 is engaged with the axial passage 17 to achieve the axial direction.
  • the sealing of one end of the passage 17, the radial air hole 20 of the special tool corresponds to the clutch oil passage 16, and the inflation passage 22 of the special tool communicates with the clutch oil passage 16 through the radial air hole 20;
  • the axial passage 17 is blocked with a threaded oil plug 27, and the O-ring 26 of the oil plug 27 is sealed to the axial passage 17.
  • a special tool for implementing the assembly method of the automatic transmission case includes a pipe body 23, and an axial inflation passage 22 is provided in the pipe body 23, and the pipe body is provided.
  • One end of the 23 is provided with a closed end 28 for sealing the oil inlet hole 18 of the automatic transmission case.
  • the pipe body 23 is provided with a radial air hole 20, and the radial air hole 20 is in communication with the inflation passage 22.
  • the other end of the tubular body 23 is provided with a boss 29.
  • the boss 29 is provided with an external thread.
  • the closed end 28 is provided with an O-ring 19, and the tubular body 23 at the position of the boss 29 is provided with an O-ring 21, and the O-ring 19 and the O-ring 21 are located on both sides of the radial air hole 20,
  • the number of the air holes 20 is 1-4, and is shown as four in the figure.
  • the positioning device on the rear box 25 is the first positioning pin hole 8 and the second positioning pin hole 10
  • the positioning device on the front housing 24 is the first positioning pin 7, the first positioning pin 7
  • the two positioning pins 9 have the same structure, and those skilled in the art can clearly and unambiguously determine according to the above description. Therefore, the assembly method and the special tools used are the same without the drawings.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Automatic Assembly (AREA)

Abstract

A method for assembling an automatic transmission case comprises: machining an axial passageway (17) inside an end cover of a front case (24), the axial passageway (17) being in communication with a clutch oil passage (16), and the axial passageway (17) and an oil supply hole (18) being located on the same axis; aligning teeth on adjacent clutch friction plates (12); plugging the oil supply hole (18) and the axial passageway (17), an air filling passageway (22) of a dedicated tool being in communication with the clutch oil passage (16); filling air into the clutch oil passage (16); a piston (15) pressing the adjacent clutch friction plates (12) tightly; matching an input shaft (1) with an input shaft hole (2), an output shaft (5) with an output shaft hole (6), a clutch hub (11) with a clutch friction plate (12), a rear case (25) with a positioning apparatus on the front case (24) separately; fixing the front case (24) and the rear case (25); taking down the dedicated tool; and sealing and plugging the axial passageway (17). The clutch friction plate (12) with teeth and the clutch hub (11) can be aligned as long as gas pressure is used, so as to maintain that the clutch friction plate (12) is fixed and is not dislocated, so assembly of the front case (24) and the rear case (25) becomes simple and the accuracy rate is high, thereby improving the work efficiency and effectively reducing the repair rate.

Description

一种自动变速器箱体的装配方法及其专用工具  Assembly method of automatic transmission box and special tool thereof 一种自动变速器箱体的装配方法及其专用工具  Assembly method of automatic transmission box and special tool thereof
技术领域Technical field
本发明涉及一种变速器的装配方法，具体的说，涉及一种用于自动变速器箱体的装配方法及其专用工具，属于机械技术领域。The present invention relates to a method of assembling a transmission, and in particular to a method for assembling an automatic transmission case and a special tool thereof, and belongs to the technical field of machinery.
背景技术Background technique
变速器箱体通常由前箱体和后箱体组成，变速器的前箱体总成和后箱体总成分别装配完成后，需要将前箱体和后箱体装配在一起，形成一个完整的变速器。传统变速器的离合器一般单独设置在前箱体或后箱体上，这种结构的变速器箱体装配比较简单，在前箱体和后箱体间使用2个定位销，对齐相关的对应轴和孔压装装配即可，这种结构造成变速器的尺寸比较长，占用空间大，体积大。The transmission case usually consists of a front case and a rear case. After the front case assembly and the rear case assembly of the transmission are respectively assembled, the front case and the rear case need to be assembled to form a complete transmission. . The clutch of the conventional transmission is generally disposed separately on the front case or the rear case. The transmission case of this structure is relatively simple to assemble, and two positioning pins are used between the front case and the rear case to align the corresponding corresponding shafts and holes. It can be assembled by press fitting. This structure causes the transmission to have a relatively large size, a large space and a large volume.
在实现本发明过程中，发明人发现现有技术中至少存在以下问题，目前，为了减小变速器的尺寸和体积，一般将离合器的一部分零部件装配在前箱体，另一部分零部件装配在后箱体，装配前箱体和后箱体时需要使用手工对齐输入轴孔、定位销孔及摩擦片的齿，而对齐带齿的离合器摩擦片和离合器毂、保持离合器摩擦片固定无错位的难度很高，造成调试装配的效率低，准确度小，返修率高。In the process of implementing the present invention, the inventors have found that at least the following problems exist in the prior art. Currently, in order to reduce the size and volume of the transmission, a part of the components of the clutch are generally assembled in the front case, and another part is assembled. The box body needs to be manually aligned with the input shaft hole, the locating pin hole and the teeth of the friction plate when assembling the front case and the rear case, and it is difficult to align the toothed clutch friction plate and the clutch hub and keep the clutch friction plate fixed without dislocation. Very high, resulting in low efficiency of debugging and assembly, low accuracy and high repair rate.
发明内容 Summary of the invention
本发明要解决的技术问题是针对以上不足，提供一种自动变速器箱体的装配方法及其专用工具，克服了现有技术中难以对齐带齿的离合器摩擦片和离合器毂、并保持离合器摩擦片固定无错位的缺陷。使用所述方法及其专用工具装配变速器箱体，易于保持摩擦片固定无错位，装配效率高，准确度高。The technical problem to be solved by the present invention is to provide an assembly method of an automatic transmission case and a special tool thereof, which overcomes the difficulty in aligning the toothed clutch friction plate and the clutch hub and maintaining the clutch friction plate in the prior art. Fixed defects without misalignment. By using the method and the special tool thereof to assemble the transmission case, it is easy to keep the friction plate fixed without dislocation, and the assembly efficiency is high and the accuracy is high.
为解决以上技术问题，本发明采用的技术方案如下：一种自动变速器箱体的装配方法，变速器箱体包括前箱体和后箱体，后箱体上安装有输入轴、输出轴和离合器毂，前箱体上设有输入轴孔、输出轴孔和离合器摩擦片，后箱体与前箱体上分别设有定位装置，前箱体的端盖上设置有径向的离合器油道，前箱体端盖的外侧设有轴向的进油孔，进油孔与离合器油道连通，其特征在于：所述装配方法包括以下步骤：In order to solve the above technical problems, the technical solution adopted by the present invention is as follows: an assembly method of an automatic transmission case, the transmission case includes a front case and a rear case, and the input case, the output shaft and the clutch hub are mounted on the rear case The front box body is provided with an input shaft hole, an output shaft hole and a clutch friction plate, and the rear box body and the front box body are respectively provided with positioning devices, and the end cover of the front box body is provided with a radial clutch oil passage, the front The outer side of the box end cover is provided with an axial oil inlet hole, and the oil inlet hole is connected with the clutch oil passage. The assembly method comprises the following steps:
a、在前箱体端盖的内侧加工一轴向通道，轴向通道与离合器油道连通，轴向通道与进油孔位于同一轴线上；a. processing an axial passage on the inner side of the front casing end cover, the axial passage is in communication with the clutch oil passage, and the axial passage is located on the same axis as the oil inlet hole;
b、将相邻的离合器摩擦片上的齿对齐；b. Align the teeth on the adjacent clutch friction plates;
c、将专用工具从前箱体的内侧***轴向通道，将进油孔和轴向通道进行封堵，专用工具设有充气通道，充气通道与离合器油道连通；c. Insert the special tool into the axial passage from the inner side of the front box, and block the oil inlet hole and the axial passage. The special tool is provided with an inflation passage, and the inflation passage is connected with the clutch oil passage;
d、向离合器油道内充气； d. Inflating into the clutch oil passage;
e、活塞受压移动将相邻的离合器摩擦片压紧；e, the piston is pressed to press the adjacent clutch friction plate;
f、将输入轴与输入轴孔、输出轴与输出轴孔、离合器毂与离合器摩擦片、后箱体与前箱体上的定位装置分别进行配合；f. respectively, the input shaft and the input shaft hole, the output shaft and the output shaft hole, the clutch hub and the clutch friction plate, the rear box body and the positioning device on the front box body are respectively matched;
g、固定前箱体和后箱体；g, fixing the front box and the rear box;
h、取下专用工具；h, remove the special tools;
i、将轴向通道密封封堵。 i. Seal the axial channel seal.
一种优化方案，所述轴向通道具有内螺纹。In an optimisation, the axial passage has an internal thread.
另一种优化方案，所述后箱体上的定位装置为定位销，前箱体上的定位装置为定位销孔。In another optimization scheme, the positioning device on the rear box is a positioning pin, and the positioning device on the front box is a positioning pin hole.
再一种优化方案，所述后箱体上的定位装置为定位销孔，前箱体上的定位装置为定位销。In another optimization scheme, the positioning device on the rear box is a positioning pin hole, and the positioning device on the front box is a positioning pin.
基于以上自动变速器箱体的装配方法，本发明还提供一种实施如权利要求所述自动变速器箱体的装配方法的专用工具，其特征在于：所述专用工具包括管体，管体内设有轴向的充气通道，管体的一端设有封闭端，封闭端用来将自动变速器箱体的进油孔进行封堵，管体上设有径向气孔，径向气孔与充气通道连通。Based on the above assembling method of the automatic transmission case, the present invention also provides a special tool for implementing the assembling method of the automatic transmission case according to the claim, wherein the special tool comprises a pipe body, and a shaft is arranged in the pipe body. To the inflating passage, one end of the pipe body is provided with a closed end, and the closed end is used for sealing the oil inlet hole of the automatic transmission case body, and the pipe body is provided with a radial air hole, and the radial air hole is in communication with the inflation passage.
一种优化方案，所述管体的另一端设有凸台。In an optimization scheme, the other end of the pipe body is provided with a boss.
另一种优化方案，所述凸台上设有外螺纹。In another optimization, the boss is provided with an external thread.
再一种优化方案，所述封闭端、凸台位置的管体上分别设有O型密封圈，O型密封圈位于径向气孔的两侧。In another optimization scheme, the closed end and the boss position are respectively provided with O-rings, and the O-rings are located on both sides of the radial air holes.
进一步的一种优化方案，所述径向气孔的数量为1-4个。In a further optimization, the number of radial pores is 1-4.
一种具体的优化方案，所述径向气孔的数量为4个。A specific optimization scheme has four radial pores.
本发明采用以上技术方案，与现有技术相比，具有以下优点：在前箱体端盖的内侧加工与离合器油道连通的轴向通道并使用该专用工具，只需要用气体的压力就可以轻松地对齐带齿的离合器摩擦片和离合器毂，易于保持离合器摩擦片固定无错位，装配前箱体和后箱体变得简单，准确率高，提高了工作效率，有效的降低了返修率。The invention adopts the above technical solution, and has the following advantages compared with the prior art: processing the axial passage communicating with the clutch oil passage on the inner side of the front casing end cover and using the special tool, only the pressure of the gas can be used Easily align the toothed clutch friction plate and clutch hub, it is easy to keep the clutch friction plate fixed and free of misalignment. The front and rear housings are simple to assemble, the accuracy is high, the work efficiency is improved, and the repair rate is effectively reduced.
下面结合附图和实施例对本发明进行详细说明。The invention will now be described in detail in conjunction with the drawings and embodiments.
附图说明DRAWINGS
附图1为本发明实施例1中后箱体的结构示意图；1 is a schematic structural view of a rear case according to Embodiment 1 of the present invention;
附图2为本发明实施例1中前箱体的结构示意图；2 is a schematic structural view of a front case according to Embodiment 1 of the present invention;
附图3为本发明实施例1中前箱体的后视图；Figure 3 is a rear elevational view of the front case in the first embodiment of the present invention;
附图4为附图3中A-A向的剖视图；Figure 4 is a cross-sectional view taken along line A-A of Figure 3;
附图5为本发明实施例中专用工具与前箱体的装配图；Figure 5 is an assembled view of a special tool and a front case in the embodiment of the present invention;
附图6为本发明实施例中油塞的结构示意图；Figure 6 is a schematic structural view of a oil plug in an embodiment of the present invention;
附图7为本发明实施例中专用工具的结构示意图；7 is a schematic structural view of a special tool according to an embodiment of the present invention;
图中，In the picture,
1-输入轴，2-输入轴孔，3-中间轴，4-中间轴孔，5-输出轴，6-输出轴孔，7-第一定位销，8-第一定位销孔，9-第二定位销，10-第二定位销孔，11-离合器毂，12-离合器摩擦片，13-传动轴，14-传动轴孔，15-活塞，16-离合器油道，17-轴向通道，18-进油孔，19-O型密封圈，20-径向气孔，21- O型密封圈，22-充气通道，23-管体，24-前箱体，25-后箱体，26-O型密封圈，27-油塞，28-封闭端，29-凸台。1-input shaft, 2-input shaft hole, 3-internal shaft, 4-internal shaft hole, 5-output shaft, 6-output shaft hole, 7-first positioning pin, 8-first positioning pin hole, 9- Second locating pin, 10-second locating pin hole, 11-clutch hub, 12-clutch friction plate, 13-drive shaft, 14-drive shaft hole, 15-piston, 16-clutch oil passage, 17-axial passage , 18-oil inlet, 19-O seal, 20-radial pore, 21- O-ring, 22-inflator, 23-tube, 24-front case, 25-recase, 26-O seal, 27-oil plug, 28-closed end, 29-bump.
具体实施方式detailed description
实施例1，如图1、图2、图3所示，一种自动变速器箱体的装配方法，变速器箱体包括前箱体24和后箱体25，后箱体25上安装有输入轴1、中间轴3、输出轴5、离合器毂11和传动轴13，前箱体24上设有输入轴孔2、中间轴孔4、输出轴孔6、离合器摩擦片12和传动轴孔14，后箱体25与前箱体24上分别设有定位装置，后箱体25上的定位装置为第一定位销7、第二定位销9，前箱体24上的定位装置为第一定位销孔8、第二定位销孔10，前箱体24的端盖上设置有径向的离合器油道16，前箱体24端盖的外侧设有轴向的进油孔18，进油孔18与离合器油道16连通；Embodiment 1, as shown in FIG. 1, FIG. 2, FIG. 3, an assembly method of an automatic transmission case, the transmission case includes a front case 24 and a rear case 25, and an input shaft 1 is mounted on the rear case 25 The intermediate shaft 3, the output shaft 5, the clutch hub 11 and the transmission shaft 13, the front housing 24 is provided with an input shaft hole 2, an intermediate shaft hole 4, an output shaft hole 6, a clutch friction plate 12 and a transmission shaft hole 14, and then Positioning devices are respectively disposed on the box body 25 and the front box body 24. The positioning device on the rear box body 25 is a first positioning pin 7 and a second positioning pin 9. The positioning device on the front box body 24 is a first positioning pin hole. 8. The second positioning pin hole 10, the end cover of the front box body 24 is provided with a radial clutch oil passage 16, and the outer side of the end cover of the front box body 24 is provided with an axial oil inlet hole 18, and the oil inlet hole 18 is The clutch oil passage 16 is connected;
如图4、图5、图6所示，装配方法包括以下步骤： As shown in FIG. 4, FIG. 5, and FIG. 6, the assembly method includes the following steps:
a、在前箱体24端盖的内侧加工一轴向通道17，轴向通道17具有内螺纹，轴向通道17与离合器油道16连通，轴向通道17与进油孔18位于同一轴线上；a. An axial passage 17 is formed on the inner side of the end cover of the front case 24. The axial passage 17 has an internal thread, and the axial passage 17 communicates with the clutch oil passage 16, and the axial passage 17 and the oil inlet hole 18 are on the same axis. ;
b、将相邻的离合器摩擦片12上的齿对齐；b. Aligning the teeth on the adjacent clutch friction plates 12;
c、将专用工具的管体23从前箱体24的内侧***轴向通道17，凸台29通过其外螺纹与轴向通道17的内螺纹配合实现与前箱体24的固定连接，管体23的封闭端28与进油孔18通过O型密封圈19密封配合，封闭端28将进油孔18封堵，凸台29位置处的O型密封圈21与轴向通道17配合，实现轴向通道17一端的密封，专用工具的径向气孔20与离合器油道16相对应，专用工具的充气通道22通过径向气孔20与离合器油道16连通；c. The tubular body 23 of the special tool is inserted into the axial passage 17 from the inner side of the front casing 24, and the boss 29 is fixedly coupled with the internal thread of the axial passage 17 by its external thread, and the tubular body 23 is connected. The closed end 28 is sealingly engaged with the oil inlet hole 18 through the O-ring 19, the closed end 28 blocks the oil inlet hole 18, and the O-ring 21 at the position of the boss 29 is engaged with the axial passage 17 to achieve the axial direction. The sealing of one end of the passage 17, the radial air hole 20 of the special tool corresponds to the clutch oil passage 16, and the inflation passage 22 of the special tool communicates with the clutch oil passage 16 through the radial air hole 20;
d、向充气通道22内充气； d. inflating into the inflation passage 22;
e、压缩空气经离合器油道16挤压活塞15；e, compressed air squeezes the piston 15 through the clutch oil passage 16;
f、活塞15向前移动压紧相邻的离合器摩擦片12；f, the piston 15 moves forward and presses the adjacent clutch friction plate 12;
g、将输入轴1与输入轴孔2、中间轴3与中间轴孔4、输出轴5与输出轴孔6、第一定位销7与第一定位销孔8、第二定位销9与第二定位销孔10、离合器毂11与离合器摩擦片12、传动轴13与传动轴孔14分别对应；g. Input shaft 1 and input shaft hole 2, intermediate shaft 3 and intermediate shaft hole 4, output shaft 5 and output shaft hole 6, first positioning pin 7 and first positioning pin hole 8, second positioning pin 9 and The two positioning pin holes 10, the clutch hub 11 and the clutch friction plate 12, the transmission shaft 13 and the transmission shaft hole 14 respectively correspond;
h、装配前箱体24和后箱体25；h, assembling the front box 24 and the rear box 25;
i、取下专用工具；i. Remove the special tools;
j、用带有螺纹的油塞27封堵轴向通道17，油塞27的O型密封圈26与轴向通道17密封。j. The axial passage 17 is blocked with a threaded oil plug 27, and the O-ring 26 of the oil plug 27 is sealed to the axial passage 17.
基于以上自动变速器箱体的装配方法，实施所述自动变速器箱体的装配方法的专用工具，如图7所示，包括管体23，管体23内设有轴向的充气通道22，管体23的一端设有封闭端28，封闭端28用来将自动变速器箱体的进油孔18进行封堵，管体23上设有径向气孔20，径向气孔20与充气通道22连通。Based on the above assembly method of the automatic transmission case, a special tool for implementing the assembly method of the automatic transmission case, as shown in FIG. 7, includes a pipe body 23, and an axial inflation passage 22 is provided in the pipe body 23, and the pipe body is provided. One end of the 23 is provided with a closed end 28 for sealing the oil inlet hole 18 of the automatic transmission case. The pipe body 23 is provided with a radial air hole 20, and the radial air hole 20 is in communication with the inflation passage 22.
管体23的另一端设有凸台29。The other end of the tubular body 23 is provided with a boss 29.
凸台29上设有外螺纹。The boss 29 is provided with an external thread.
封闭端28上设有O型密封圈19，凸台29位置的管体23上设有O型密封圈21，O型密封圈19和O型密封圈21位于径向气孔20的两侧，径向气孔20的数量为1-4个，图中表示为4个。The closed end 28 is provided with an O-ring 19, and the tubular body 23 at the position of the boss 29 is provided with an O-ring 21, and the O-ring 19 and the O-ring 21 are located on both sides of the radial air hole 20, The number of the air holes 20 is 1-4, and is shown as four in the figure.
实施例2，与实施例1相比，后箱体25上的定位装置为第一定位销孔8、第二定位销孔10，前箱体24上的定位装置为第一定位销7、第二定位销9，其余结构相同，本领域技术人员根据以上说明能够清楚、毫无疑义的确定，因此，未附图，所采用的装配方法及专用工具也相同。In the second embodiment, the positioning device on the rear box 25 is the first positioning pin hole 8 and the second positioning pin hole 10, and the positioning device on the front housing 24 is the first positioning pin 7, the first positioning pin 7 The two positioning pins 9 have the same structure, and those skilled in the art can clearly and unambiguously determine according to the above description. Therefore, the assembly method and the special tools used are the same without the drawings.
本领域技术人员应该认识到，上述的具体实施方式只是示例性的，是为了使本领域技术人员能够更好的理解本发明内容，不应理解为是对本发明保护范围的限制，专用工具不限于以上结构，只要能够实现将进油孔封堵，向离合器油道内充气，使活塞向前移动压紧相邻的离合器摩擦片，前箱体和后箱体装配结束后，能够取下即可，管体与前箱体的连接也不限于通过凸台的外螺纹与轴向通道的内螺纹配合实现，只要是根据本发明技术方案所作的改进，均落入本发明的保护范围。A person skilled in the art should understand that the specific embodiments described above are only exemplary, and are not intended to limit the scope of the present invention. In the above structure, as long as the oil inlet hole can be blocked, the clutch oil passage is inflated, and the piston is moved forward to press the adjacent clutch friction plate, and the front case and the rear case can be removed after assembly. The connection between the tubular body and the front casing is not limited to being achieved by the external thread of the boss and the internal thread of the axial passage, as long as it is an improvement according to the technical solution of the present invention, and falls within the protection scope of the present invention.

Claims (10)

  1. 一种自动变速器箱体的装配方法，变速器箱体包括前箱体（24）和后箱体（25），后箱体（25）上安装有输入轴（1）、输出轴（5）和离合器毂（11），前箱体（24）上设有输入轴孔（2）、输出轴孔（6）和离合器摩擦片（12），后箱体（25）与前箱体（24）上分别设有定位装置，前箱体（24）的端盖上设置有径向的离合器油道（16），前箱体（24）端盖的外侧设有轴向的进油孔（18），进油孔（18）与离合器油道（16）连通，其特征在于：所述装配方法包括以下步骤： A method of assembling an automatic transmission case, the transmission case includes a front case (24) and a rear case (25), and the rear case (25) is mounted with an input shaft (1), an output shaft (5) and a clutch The hub (11) has an input shaft hole (2), an output shaft hole (6) and a clutch friction plate (12) on the front case body (24), and the rear case body (25) and the front case body (24) respectively The positioning device is provided, the end cover of the front box body (24) is provided with a radial clutch oil passage (16), and the outer side of the front cover of the front box body (24) is provided with an axial oil inlet hole (18). The oil hole (18) is in communication with the clutch oil passage (16), wherein the assembly method comprises the following steps:
    a、在前箱体（24）端盖的内侧加工一轴向通道（17），轴向通道（17）与离合器油道（16）连通，轴向通道（17）与进油孔（18）位于同一轴线上；a. An axial passage (17) is machined inside the front cover of the front casing (24), the axial passage (17) is in communication with the clutch oil passage (16), and the axial passage (17) and the oil inlet hole (18) Located on the same axis;
    b、将相邻的离合器摩擦片（12）上的齿对齐；b. Align the teeth on the adjacent clutch friction plates (12);
    c、将专用工具从前箱体（24）的内侧***轴向通道（17），将进油孔（18）和轴向通道（17）进行封堵，专用工具设有充气通道（22），充气通道（22）与离合器油道（16）连通；c. Insert the special tool from the inner side of the front box (24) into the axial passage (17), block the oil inlet hole (18) and the axial passage (17), and the special tool is provided with an inflation passage (22), which is inflated. The passage (22) is in communication with the clutch oil passage (16);
    d、向充气通道（22）内充气； d. inflating into the inflation channel (22);
    e、活塞（15）受压移动将相邻的离合器摩擦片（12）压紧；e, the piston (15) is pressed to press the adjacent clutch friction plate (12);
    f、将输入轴（1）与输入轴孔（2）、输出轴（5）与输出轴孔（6）、离合器毂（11）与离合器摩擦片（12）、后箱体（25）与前箱体（24）上的定位装置分别进行配合；f. Input shaft (1) and input shaft hole (2), output shaft (5) and output shaft hole (6), clutch hub (11) and clutch friction plate (12), rear case (25) and front The positioning devices on the box body (24) are respectively matched;
    g、固定前箱体（24）和后箱体（25）；g, fixing the front box (24) and the rear box (25);
    h、取下专用工具；h, remove the special tools;
    i、将轴向通道（17）密封封堵。i. Seal the axial passage (17).
  2. 如权利要求1所述自动变速器箱体的装配方法，其特征在于：所述轴向通道（17）具有内螺纹。 A method of assembling an automatic transmission case according to claim 1, wherein said axial passage (17) has an internal thread.
  3. 如权利要求1所述自动变速器箱体的装配方法，其特征在于：所述后箱体（25）上的定位装置为定位销（7、9），前箱体（24）上的定位装置为定位销孔（8、10）。The method of assembling an automatic transmission case according to claim 1, wherein the positioning means on the rear case (25) is a positioning pin (7, 9), and the positioning means on the front case (24) is Locating the pin holes (8, 10).
  4. 如权利要求1所述自动变速器箱体的装配方法，其特征在于：所述后箱体（25）上的定位装置为定位销孔（8、10），前箱体（24）上的定位装置为定位销（7、9）。The method of assembling an automatic transmission case according to claim 1, characterized in that the positioning means on the rear case (25) are positioning pin holes (8, 10) and positioning means on the front case (24) For positioning pins (7, 9).
  5. 实施如权利要求1、2、3或4所述自动变速器箱体的装配方法的专用工具，其特征在于：所述专用工具包括管体（23），管体（23）内设有轴向的充气通道（22），管体（23）的一端设有封闭端（28），封闭端（28）用来将自动变速器箱体的进油孔（18）进行封堵，管体（23）上设有径向气孔（20），径向气孔（20）与充气通道（22）连通。A special tool for carrying out the assembly method of the automatic transmission case according to claim 1, 2, 3 or 4, characterized in that the special tool comprises a pipe body (23), and the pipe body (23) is provided with an axial direction The inflation passage (22) has a closed end (28) at one end of the tubular body (23), and the closed end (28) is used for sealing the oil inlet hole (18) of the automatic transmission case, on the pipe body (23) Radial air holes (20) are provided, and the radial air holes (20) are in communication with the inflation passages (22).
  6. 如权利要求5所述自动变速器箱体的装配方法的专用工具，其特征在于：所述管体（23）的另一端设有凸台（29）。A special tool for assembling a method of an automatic transmission case according to claim 5, characterized in that the other end of the pipe body (23) is provided with a boss (29).
  7. 如权利要求6所述自动变速器箱体的装配方法的专用工具，其特征在于：所述凸台（29）上设有外螺纹。A special tool for assembling a method of an automatic transmission case according to claim 6, wherein said boss (29) is provided with an external thread.
  8. 如权利要求7所述自动变速器箱体的装配方法的专用工具，其特征在于：所述封闭端（28）、凸台（29）位置的管体（23）上分别设有O型密封圈（19、21），O型密封圈（19、21）位于径向气孔（20）的两侧。The special tool for assembling the automatic transmission case according to claim 7, characterized in that: the closed end (28) and the tubular body (23) at the position of the boss (29) are respectively provided with O-rings ( 19, 21), O-rings (19, 21) are located on both sides of the radial air holes (20).
  9. 如权利要求5所述自动变速器箱体的装配方法的专用工具，其特征在于：所述径向气孔（20）的数量为1-4个。A special tool for assembling the automatic transmission case according to claim 5, characterized in that the number of the radial air holes (20) is 1-4.
  10. 如权利要求9所述自动变速器箱体的装配方法的专用工具，其特征在于：所述径向气孔（20）的数量为4个。A special tool for assembling a method of an automatic transmission case according to claim 9, wherein the number of said radial air holes (20) is four.
PCT/CN2012/074051 2011-10-21 2012-04-14 Method for assembling automatic transmission case and dedicated tool thereof WO2013056537A1 (en)

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CN103056822B (en) 2014-09-10

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