CN110202345B - AT clutch clamp spring assembly device and assembly method - Google Patents
AT clutch clamp spring assembly device and assembly method Download PDFInfo
- Publication number
- CN110202345B CN110202345B CN201910526959.1A CN201910526959A CN110202345B CN 110202345 B CN110202345 B CN 110202345B CN 201910526959 A CN201910526959 A CN 201910526959A CN 110202345 B CN110202345 B CN 110202345B
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- base
- clutch
- mandrel
- spring
- input hub
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000003825 pressing Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention belongs to a tool for assembling a clutch clamp spring, and provides an AT clutch clamp spring assembling device and an AT clutch clamp spring assembling method, which solve the problem that the clamp spring is difficult to install in a clamp spring groove of a clutch input hub due to the fact that the number and the strength of springs are large and limited by space positions in the process of assembling the springs of an existing clutch assembly. The tool comprises a base, a pressure head positioned above the base, a mandrel and a nut; the outer surface of the top of the base is provided with an external spline meshed with the internal spline of the clutch input hub to be assembled along the circumferential direction; the pressure head comprises a top plate and an annular wall which is vertically fixedly connected to the edge of the top plate and extends downwards, and the annular end face of the annular wall is contacted with a lower piston of the clutch to be assembled; the upper end of the mandrel is in threaded connection with the nut, the lower end of the mandrel penetrates through the top plate and is fixedly connected with the top of the base, and the mandrel, the top plate and the base are kept coaxial; the top plate is provided with a mounting hole.
Description
Technical Field
The invention belongs to a tool for assembling an AT clutch clamp spring, and particularly relates to an AT clutch clamp spring assembling device and an AT clutch clamp spring assembling method.
Background
Because the AT transmission has the advantages of good control performance, high driving comfort and the like, more and more heavy trucks are selected to be assembled with the AT transmission assembly AT present, the popularity of the AT transmission assembly in the heavy trucks reaches more than 50% in some developed countries, and the AT transmission has better development prospect.
The AT transmission is complex in structure compared with a traditional manual transmission, assembly difficulty is high, particularly, assembly of a clutch assembly is high, a piston of the clutch assembly slides mainly by means of expansion and contraction of springs, in order to ensure expansion and contraction strength, as shown in fig. 1, the clutch assembly comprises a clutch input hub 01 and a lower piston 02 coaxially arranged in a cavity of the clutch input hub 01, 12 springs 03 are arranged between the clutch input hub 01 and the lower piston 02, the 12 springs 03 are uniformly distributed along the circumferential direction, and after the 12 springs are required to be compressed simultaneously in the assembly process, a clamp spring groove of the clutch input hub 01 is exposed, and the clamp spring 04 is clamped into the clamp spring groove to be positioned. However, the number and strength of the springs are large, so that the springs are difficult to compress and difficult to assemble; in addition, when the spring of the clutch assembly is installed in the clutch input hub, the spring is limited by the structure of the clutch input hub and other parts in the clutch hub, the space in the clutch cavity is narrow, and after the spring cannot be compressed by common equipment, the snap spring is installed in the snap spring groove in the circumferential direction of the clutch input hub.
Disclosure of Invention
In order to solve the problem that the clamping springs are difficult to install in the clamping spring grooves of the clutch input hub due to the fact that the number and the strength of springs are large and limited by space positions in the spring assembling process of an existing clutch assembly. The invention provides an AT clutch clamp spring assembly device and an AT clutch clamp spring assembly method.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows:
The AT clutch clamp spring assembling device is characterized in that: the device comprises a base, a pressure head positioned above the base, a mandrel and a nut; the outer surface of the top of the base is provided with an external spline meshed with an internal spline of the clutch input hub to be assembled along the circumferential direction; the pressure head comprises a top plate and an annular wall which is vertically fixedly connected to the edge of the top plate and extends downwards; the annular end face of the annular wall is contacted with the lower piston of the clutch to be assembled; the upper end of the mandrel is in threaded connection with the nut, the lower end of the mandrel penetrates through the top plate and is fixedly connected with the top of the base, and the mandrel, the top plate and the base are kept coaxial; and the top plate is provided with a mounting hole.
Further, an external thread is arranged on the outer surface of the lower end of the mandrel, and the thread rotation direction of the external thread is opposite to that of the upper end of the mandrel; the base top is equipped with the blind hole, the blind hole internal surface is equipped with external screw thread complex internal thread.
Further, the cross section of the mounting hole is ring sector-shaped or kidney-shaped or rectangular.
Further, the base is in a step shaft shape, a counter bore is formed in the large end of the base, and the small end of the base is connected with the mandrel.
Meanwhile, the method for assembling the clutch spring by using the AT clutch clamp spring assembling device is characterized by comprising the following steps of:
1) The clutch input hub is sleeved on the base, so that the internal spline of the clutch input hub is meshed with the external spline of the base;
2) A plurality of springs are circumferentially mounted within a cavity of the clutch input hub;
3) A lower piston is arranged in a cavity of the clutch input hub, and is contacted with a spring;
4) The clutch input hub is sleeved with a clamp spring;
5) The lower end of the mandrel is arranged in a blind hole at the top of the base, then the pressure head is arranged on the mandrel, the annular end face of the annular wall is contacted with the lower piston, and the nut is arranged on the mandrel;
6) The nut is rotated, so that the pressure head moves downwards, the pressure head drives the lower piston to move downwards, the lower piston compresses the spring, and the spring is compressed until the clamp spring groove in the circumferential direction of the clutch input hub is completely exposed, and then the nut is stopped rotating;
7) The clamping springs are inserted into the clamping spring grooves from the mounting holes of the pressure head by using clamping spring pliers.
Compared with the prior art, the invention has the advantages that:
1. According to the invention, the pressing head is driven to move downwards by tightening the nut, the pressing head enables the lower piston to move downwards to compress the spring, the compression amount of the spring is controlled by controlling the screwing amount of the nut, the interference between the internal structure of the clutch input hub and other parts is fully considered by the structure of the pressing head, after the spring is compressed, the clamp spring groove on the clutch input hub is completely exposed, and then the clamp spring is fixed in the clamp spring groove, so that the installation mode is simple.
2. The lower end of the mandrel and the top of the base can be fixedly connected in a threaded mode, the threaded direction of the outer surface of the lower end of the mandrel is opposite to the threaded direction of the upper end of the mandrel, and the mandrel and the base are good in fixity and cannot loosen in the rotating process of the nut.
3. In order to facilitate the installation of the clamp spring, the shape of the installation hole of the invention can be a ring sector shape or a waist shape or a rectangle.
4. The base is in a step shaft shape, and the large end of the base is provided with the counter bore, so that the base is convenient to assemble with the mounting platform.
5. According to the assembly method, after the pressure head compresses the spring through the matching of the nut and the mandrel, the compression mode is simple, the compression amount of the spring is controlled through controlling the screwing amount of the nut, interference of the internal structure of the clutch input hub and other parts is fully considered, the clamp spring installation space is left in the annular wall, and the problem of difficulty in installing the clamp spring is solved.
Drawings
FIG. 1 is a schematic structural view of a conventional clutch assembly;
FIG. 2 is a schematic diagram of an AT clutch snap spring assembly apparatus of the present invention;
fig. 3 is a schematic structural view of a base in the AT clutch clip assembly device of the present invention;
Fig. 4 is a schematic structural diagram of a pressure head in the clamp spring assembling device of the AT clutch of the present invention;
FIG. 5 is a cross-sectional view taken along A-A of FIG. 4;
FIG. 6 is a B-B cross-sectional view of FIG. 4;
FIG. 7 is a schematic diagram of an AT clutch snap spring assembly apparatus of the present invention equipped with a clutch assembly;
Wherein, the reference numerals are as follows:
01-clutch input hub, 02-lower piston, 03-spring, 04-snap spring, 05-clutch input hub internal spline;
1-pressure head, 11-roof, 111-mounting hole, 12-annular wall, 2-dabber, 3-base, 31-counter bore, 32-external spline, 33-blind hole, 4-nut.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples.
As shown in fig. 2 to 7, an AT clutch snap spring assembly device comprises a base 3, a pressing head 1 positioned above the base 3, a mandrel 2 and a nut 4; the outer surface of the upper part of the base 3 is provided with an external spline 32 meshed with the internal spline 05 of the clutch input hub to be assembled along the circumferential direction; the ram 1 comprises a top plate 11 and an annular wall 12 vertically attached to the edge of the top plate 11 and extending downward; the upper end of the mandrel 2 is in threaded connection with the nut 4, the lower end of the mandrel passes through the top plate 11 and is fixedly connected with the top of the base 3, and the mandrel 2, the top plate 11 and the base 3 are kept coaxial; the top plate 11 is provided with a mounting hole 111; the annular end face of the annular wall 12 is in contact with the clutch lower piston 02 to be fitted.
In the embodiment, the lower end of the mandrel 2 is fixedly connected with the top of the base 3, specifically, the outer surface of the lower end of the mandrel 2 is provided with external threads, and the rotation direction of the external threads is opposite to that of the upper end of the mandrel 2; the top of the base 3 is provided with a blind hole 33, and the inner surface of the blind hole 33 is provided with an internal thread matched with the external thread.
The section of the mounting hole 111 on the top plate 11 is in a ring sector shape or a waist shape or a rectangle shape, and the mounting hole 111 is used for observing whether a clamp spring groove on the clutch input hub 01 is exposed or not, enabling the clamp spring pliers to extend into the position of the clamp spring 04 of the clutch input hub 01 to be assembled, and clamping the clamp spring 04 into the clamp spring groove for positioning.
In order to facilitate the installation of the device of this embodiment, the base 3 is in the shape of a stepped shaft, the large end of which is provided with a counter bore 31 for connection with the installation platform, and the small end of which is connected with the mandrel 2.
The method for assembling the spring 03 of the clutch by using the AT clutch clamp spring assembling device comprises the following steps:
1) The clutch input hub 01 is sleeved on the base 3, so that the internal spline of the clutch input hub 01 is meshed with the external spline 32 of the base 3;
2) A plurality of springs 03 are circumferentially arranged in a cavity of the clutch input hub 01, and are uniformly distributed along the circumferential direction by 12 springs;
3) A lower piston 02 is arranged in a cavity of the clutch input hub 01, the lower surface of the lower piston 02 is in contact with a spring 03, the lower piston 02 is of an annular structure, the annular inner end surface and the annular outer end surface of the lower piston 02 are uniformly distributed to be in contact with the clutch input hub 01, and the lower piston 02 can move up and down along the clutch input hub 01;
4) A clamping spring 04 is sleeved in a cavity of the clutch input hub 01;
5) The lower end of the mandrel 2 is arranged in a blind hole 33 at the top of the base 3, then the pressure head 1 is arranged on the mandrel 2, the annular end surface of the annular wall 12 is contacted with the lower piston 02, and the nut 4 is arranged on the mandrel 2;
6) The nut 4 is rotated, so that the pressure head 1 moves downwards, the pressure head 1 drives the lower piston 02 to move downwards, the lower piston 02 compresses the spring 03, and the spring 03 stops rotating the nut 4 after the spring 03 is compressed to the position that a clamp spring groove in the circumferential direction of the clutch input hub 01 is completely exposed;
7) The clamping spring 04 is inserted into the clamping spring groove by using the clamping spring pliers to extend from the mounting hole 111 of the pressure head 1.
Because there are two spring assemblies in the clutch assembly, the size of two spring assemblies is different to the assembled position of two spring 03 is different, and normal assembly needs to adopt two kinds of equipment, and operation process is loaded down with trivial details, and the frock is thrown and is made in quantity, and trial production is with high costs, adopts the frock of this embodiment to consider the compatibility fully, and one set of frock can compromise the assembly of two spring 03.
The foregoing description of the preferred embodiments of the present invention is merely illustrative, and the technical solution of the present invention is not limited thereto, and any known modifications may be made by those skilled in the art based on the main technical concept of the present invention, which falls within the technical scope of the present invention.
Claims (3)
1. An AT clutch jump ring assembly quality, its characterized in that: comprises a base (3), a pressure head (1) positioned above the base (3), a mandrel (2) and a nut (4);
An external spline (32) meshed with an internal spline (05) of the clutch input hub to be assembled is arranged on the outer surface of the top of the base (3) along the circumferential direction;
The pressure head (1) comprises a top plate (11) and an annular wall (12) which is vertically fixedly connected to the edge of the top plate (11) and extends downwards, and the annular end surface of the annular wall (12) is contacted with a lower piston (02) of the clutch to be assembled;
The upper end of the mandrel (2) is in threaded connection with the nut (4), the lower end of the mandrel passes through the top plate (11) and then is fixedly connected with the top of the base (3), and the mandrel (2), the top plate (11) and the base (3) are kept coaxial;
The top plate (11) is provided with a mounting hole (111);
the outer surface of the lower end of the mandrel (2) is provided with external threads, and the thread rotation direction of the external threads is opposite to that of the upper end of the mandrel (2);
A blind hole (33) is formed in the top of the base (3), and an internal thread matched with the external thread is formed in the inner surface of the blind hole (33);
the base (3) is in a step shaft shape, a counter bore (31) is arranged at the large end of the base, and the small end of the base is connected with the mandrel (2).
2. The AT clutch clip assembly device of claim 1, wherein: the cross section of the mounting hole (111) is ring sector-shaped or waist-shaped or rectangular.
3. Method for assembling a spring (03) of a clutch with an AT clutch snap spring assembly device according to claim 1 or 2, characterized in that it comprises the steps of:
1) The clutch input hub (01) is sleeved on the base (3), so that the internal spline of the clutch input hub (01) is meshed with the external spline (32) of the base (3);
2) A plurality of springs (03) are circumferentially arranged in a cavity of the clutch input hub (01);
3) A lower piston (02) is arranged in a cavity of the clutch input hub (01), and the lower piston (02) is contacted with a spring (03);
4) A clamp spring (04) is sleeved on the clutch input hub (01);
5) The lower end of the mandrel (2) is arranged in a blind hole (33) at the top of the base (3), then the pressure head (1) is arranged on the mandrel (2), the annular end surface of the annular wall (12) is contacted with the lower piston (02), and the nut (4) is arranged on the mandrel (2);
6) The nut (4) is rotated, so that the pressure head (1) moves downwards, the pressure head (1) drives the lower piston (02) to move downwards, the lower piston (02) compresses the spring (03), and the spring (03) is compressed until a clamp spring (04) groove in the circumferential direction of the clutch input hub (01) is completely exposed, and then the nut (4) is stopped rotating;
7) The clamping spring pliers extend into the clamping spring grooves from the mounting holes (111) of the pressing head (1) to load the clamping springs (04).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910526959.1A CN110202345B (en) | 2019-06-18 | 2019-06-18 | AT clutch clamp spring assembly device and assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910526959.1A CN110202345B (en) | 2019-06-18 | 2019-06-18 | AT clutch clamp spring assembly device and assembly method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110202345A CN110202345A (en) | 2019-09-06 |
| CN110202345B true CN110202345B (en) | 2024-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910526959.1A Active CN110202345B (en) | 2019-06-18 | 2019-06-18 | AT clutch clamp spring assembly device and assembly method |
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| Country | Link |
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| CN (1) | CN110202345B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113953798A (en) * | 2021-10-26 | 2022-01-21 | 珠海华粤传动科技有限公司 | Application method of integrated tool for press fitting and detection of clutch piston |
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| CN103846658A (en) * | 2012-11-29 | 2014-06-11 | 中国科学院沈阳自动化研究所 | Automatic loading pressing mechanism for intermediate shaft snap spring of transmission |
| CN204621937U (en) * | 2015-04-14 | 2015-09-09 | 常州机电职业技术学院 | Special assembly and disassembly tools of hydraulic clutch |
| CN105436885A (en) * | 2015-12-31 | 2016-03-30 | 宁波中亿自动化装备有限公司 | Fully-automatic assembly machine for synchronizer |
| CN205148231U (en) * | 2015-10-30 | 2016-04-13 | 第一拖拉机股份有限公司 | Wet clutch axle spring pressure equipment device |
| DE102015202231A1 (en) * | 2015-02-09 | 2016-08-11 | Zf Friedrichshafen Ag | Tool for mounting a locking ring |
| CN206747954U (en) * | 2017-05-18 | 2017-12-15 | 南京越博动力系统股份有限公司 | A kind of steel ball type synchronizer assembly technology device |
| CN207465109U (en) * | 2017-11-06 | 2018-06-08 | 贵州开磷集团股份有限公司 | A kind of speed change box clutch hub attaching/detaching apparatus |
| CN210254978U (en) * | 2019-06-18 | 2020-04-07 | 陕西法士特齿轮有限责任公司 | AT clutch jump ring assembly quality |
-
2019
- 2019-06-18 CN CN201910526959.1A patent/CN110202345B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103846658A (en) * | 2012-11-29 | 2014-06-11 | 中国科学院沈阳自动化研究所 | Automatic loading pressing mechanism for intermediate shaft snap spring of transmission |
| CN103335784A (en) * | 2013-06-26 | 2013-10-02 | 安徽江淮汽车股份有限公司 | Tool for measuring dynamic unbalance value of nested wet-type double clutch |
| CN103624529A (en) * | 2013-11-20 | 2014-03-12 | 杭州沃镭科技有限公司 | Feeding and press fitting device of clamp spring of clutch booster and press fitting method of clamp spring of clutch booster |
| DE102015202231A1 (en) * | 2015-02-09 | 2016-08-11 | Zf Friedrichshafen Ag | Tool for mounting a locking ring |
| CN204621937U (en) * | 2015-04-14 | 2015-09-09 | 常州机电职业技术学院 | Special assembly and disassembly tools of hydraulic clutch |
| CN205148231U (en) * | 2015-10-30 | 2016-04-13 | 第一拖拉机股份有限公司 | Wet clutch axle spring pressure equipment device |
| CN105436885A (en) * | 2015-12-31 | 2016-03-30 | 宁波中亿自动化装备有限公司 | Fully-automatic assembly machine for synchronizer |
| CN206747954U (en) * | 2017-05-18 | 2017-12-15 | 南京越博动力系统股份有限公司 | A kind of steel ball type synchronizer assembly technology device |
| CN207465109U (en) * | 2017-11-06 | 2018-06-08 | 贵州开磷集团股份有限公司 | A kind of speed change box clutch hub attaching/detaching apparatus |
| CN210254978U (en) * | 2019-06-18 | 2020-04-07 | 陕西法士特齿轮有限责任公司 | AT clutch jump ring assembly quality |
Also Published As
| Publication number | Publication date |
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| CN110202345A (en) | 2019-09-06 |
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