CN204566037U - For the frock of the 4th clutch and back shaft that assemble automatic transmission - Google Patents
For the frock of the 4th clutch and back shaft that assemble automatic transmission Download PDFInfo
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- CN204566037U CN204566037U CN201520275371.0U CN201520275371U CN204566037U CN 204566037 U CN204566037 U CN 204566037U CN 201520275371 U CN201520275371 U CN 201520275371U CN 204566037 U CN204566037 U CN 204566037U
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- guide pad
- clutch
- installing hole
- inwall
- outer hub
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Abstract
The utility model relates to a kind of frock of the 4th clutch and back shaft for assembling automatic transmission, comprises a clamp body vertically arranged, offers the installing hole of a up/down perforation in clamp body; Also comprise the first guide pad for the outer hub back shaft of fit on, for the second guide pad of the outer hub of fit on the 4th clutch; The small end inwall of outer hub back shaft and the inwall of the first guide pad are located on the same line up and down, the projection of the second guide pad is passed in the centre bore of the outer hub of the 4th clutch, for realizing the outer centralized positioning of hub on the second guide pad of the 4th clutch, and the end face of the outer hub small end of the 4th clutch is resisted against the second guide pad is positioned on the upper surface of through hole surrounding, for realizing the outer axial location of hub on the second guide pad of the 4th clutch, the welding seam at the outer hub large end place of the 4th clutch is also on same straight line up and down with the inwall of the first guide pad.Substantially increase efficiency of assembling, after erection welding, qualification rate is high.
Description
Technical field
The utility model relates to a kind of frock of the 4th clutch and back shaft for assembling automatic transmission.
Background technology
Along with society's constantly development and progression, the passenger car of automatic transmission becomes the main trend of development gradually, and for the passenger car of automatic catch, automatic transmission becomes the technical pattern of its core, its automatic transmission structure of different vehicles is also not quite similar, wherein comparatively common are 4AT and 8AT, but no matter be 8AT or 4AT, it is primarily of fluid torque-converter, slide box, organize planet row more and (comprise clutch (C), planetary gearsets, brake (B) etc.) composition, and just describe so a kind of automatic transmission in Chinese invention patent (CN104179903A).
Automatic transmission disclosed in this patent above-mentioned comprises and is arranged on two axle systems in a shared mission case, three commutating tooth wheels, three planetary gearsets, 4 clutches (C1, C2, C3, C4) and 2 brakes (B1, B2), certainly this speed changer also comprises remaining structure, the concrete content with reference to above-mentioned invention disclosed patent notes, this is no longer going to repeat them.
Above-mentioned first axle system is positioned at transmission side, and comprise the first axle, the 3rd axle, the 4th axle, the 5th axle and the 6th axle, power inputs from the first axle;
Second axle system is positioned at slave end, and comprise the second axle, the 7th axle, the 8th axle, the 9th axle and the tenth axle, power exports from the second axle;
First planet gear train is arranged on the first axle and fastens, and comprises the first sun gear, the first gear ring, the first row carrier, 4th clutch (C4) is connected between the 6th axle and the first sun gear, and the first brake (B1) is connected between the first sun gear and mission case, and when practical set, 8AT is because of compact conformation, first outer for C4 hub and the outer hub back shaft of C4 are assembled together, welding, then hub in soldering member and B1 is assembled together, namely the welding seam at the outer large end place of hub of C4 is made to insert in the outer hub back shaft of C4, when completing both assemblings, used hot charging to join in the past, outer for C4 hub is heated to 160-200 DEG C, rapidly outer for C4 hub is assembled in the outer hub back shaft of above-mentioned C4, mainly there is following defect in which:
When 1, using hub outside oven heat C4, be generally 40/hour, efficiency is low.
2, because the outer hub of C4 is thin-wall part (wall thickness is 2.5mm), press-fit seam short, distortion is comparatively large, and postwelding assembly amount of unbalance is large, and qualification rate is low.
Utility model content
Technical problem to be solved in the utility model is: the frock providing a kind of the 4th clutch and back shaft for assembling automatic transmission, to solve the existing mode adopting the outer hub of assembling C4 and outer hub back shaft, there is the technical problem that efficiency of assembling is low, the rear qualification rate of assembling is low.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of frock of the 4th clutch and back shaft for assembling automatic transmission, comprises a clamp body vertically arranged, offers the installing hole of a up/down perforation in described clamp body;
Also comprise the first guide pad for the outer hub back shaft of fit on, described first guide pad is detachably arranged on the upper surface of the described clamp body being positioned at described installing hole surrounding;
Described first guide pad has the through hole of a up/down perforation, and described through hole overlaps with the center line of described installing hole, described outer hub support sleeve is on the outer wall of described first guide pad, and the small end inwall of described outer hub back shaft and the inwall of described first guide pad are located on the same line up and down;
Also comprise the second guide pad for the outer hub of fit on the 4th clutch, described second guide pad is positioned at the described through hole of described first guide pad, the lower surface of described second guide pad has an outward extending lower connecting portion, and the upper end of described second guide pad has a projection;
Described lower connecting portion passes described through hole and is slidably mounted in described installing hole, and corresponding with the upper surface upper-lower position of the described clamp body between described installing hole with described first guide pad inwall in the lower surface of described second guide pad of described lower connecting portion surrounding; Described projection is through the centre bore of the outer hub of the 4th clutch, for realizing the outer centralized positioning of hub on described second guide pad of described 4th clutch, and the end face of the outer hub small end of described 4th clutch is resisted against described second guide pad is positioned on the upper surface of described through hole surrounding, for realizing the outer axial location of hub on described second guide pad of described 4th clutch, the welding seam at the outer hub large end place of described 4th clutch is also on same straight line up and down with the inwall of described first guide pad.
As improving further, in described installing hole, a sliding bearing is installed, the upper end of described sliding bearing is provided with sealing ring on, described lower connecting portion passes described upper sealing ring and stretches in described sliding bearing, and forms the hermetically-sealed construction of described sliding bearing upper end between described lower connecting portion, upper sealing ring and corresponding described installing hole inwall;
The described installing hole be positioned at below described lower connecting portion is provided with a central shaft, one end and the described lower connecting portion of described central shaft are threaded connection, a lower seal is provided with between the inwall of the other end and described installing hole, and the bottom being positioned at described lower seal is provided with a pressing plate, described pressing plate is connected with described central shaft by securing member, and forms the hermetically-sealed construction of described sliding bearing lower end between described central shaft, lower seal and corresponding described installing hole inwall.
As improving further, elastic damping unit is provided with in described installing hole between described sliding bearing and described lower seal, described elastic damping cell layout is in the surrounding of described central shaft, and one end of described elastic damping unit is fixedly connected with described central shaft, on the undertaking step that the inwall that the other end is fixed on described installing hole is formed.
As improving further, described clamp body is installed an atomizer, described atomizer is communicated with the inwall of the described installing hole being positioned at described elastic damping unit surrounding.
As improving further, the top of the outer hub of described 4th clutch is provided with a pressure head, and the lower pressure surface of described pressure head is the concave structure suitable with the large end end face of hub outside described 4th clutch.
As improving further, described clamp body has a mounting seat for being connected with the operating platform of forcing press.
After have employed technique scheme, the beneficial effects of the utility model are:
Assembling both realizing after outer for C4 hub and outer hub back shaft are press-fited by this frock, be assemblied on the first guide pad by outer hub back shaft, outer for C4 hub is assemblied on the second guide pad, realize the centralized positioning of the outer hub of C4 on the second guide pad and axial location, and make the outer welding seam at hub large end place of C4 and the inwall of outer hub back shaft be on same straight line up and down, press the second guide pad, make in the outer hub back shaft of the outer hub press-in of C4, whole process is time saving and energy saving, substantially increase efficiency of assembling, solve the problem on deformation that tradition adopts hot charging to bring, decrease thermal stress, after welding, part deformation is little, residual unbalance, is little, thus significantly improve welding and to roll off the production line qualification rate.
Because whole frock adopts the critical piece of clamp body, guide pad, central shaft, elastic shock attenuation unit and hermetically-sealed construction etc., overall structure is simple, and operating process automaticity is high, reasonable in design.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
In figure, 1, clamp body, 10, installing hole, the 2, first guide pad, 20, through hole, the 3, second guide pad, 30, lower connecting portion, 31, projection, 4, central shaft, 5, sliding bearing, 6, upper sealing ring, 7, lower seal, 8, pressing plate, 9, securing member, 11, elastic damping unit, 12, outer hub back shaft, 13, the outer hub of the 4th clutch, 130, welding seam, 14, atomizer, 15, mounting seat, 16, pressure head, 17, accept step, 18, concave structure.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in fig. 1, a kind of frock of the 4th clutch and back shaft for assembling automatic transmission, comprise a clamp body 1 vertically arranged, the installing hole 10 of a up/down perforation is offered in clamp body 1, detachable on the upper surface being positioned at the clamp body 1 of installing hole 10 surrounding the first guide pad 2 is installed, outer hub back shaft 12 is assemblied on the first guide pad 2, first guide pad 2 has the through hole 20 of a up/down perforation, and through hole 20 overlaps with the center line of installing hole 10, outer hub back shaft 12 is enclosed within the outer wall of the first guide pad 2, and the inwall of the small end inwall of outer hub back shaft 12 and the first guide pad 2 is located on the same line up and down,
Also comprise the second guide pad 3 for the outer hub 13 of fit on the 4th clutch, second guide pad 3 is positioned at the through hole 20 of the first guide pad 2, the upper end that the lower surface of the second guide pad 3 has outward extending lower connecting portion 30, second guide pad 3 has a projection 31;
Lower connecting portion 30 passes through hole 20 and is slidably mounted in installing hole 10, and corresponding with the upper surface upper-lower position of the clamp body 1 between installing hole 10 with the first guide pad 2 inwall in the lower surface of the second guide pad 3 of lower connecting portion 30 surrounding; In the centre bore of projection 31 through the outer hub 13 of the 4th clutch, for realizing the outer centralized positioning of hub 13 on the second guide pad 3 of the 4th clutch, and the end face of outer hub 13 small end of the 4th clutch is resisted against the second guide pad 3 is positioned on the upper surface of through hole 20 surrounding, for realizing the outer axial location of hub 13 on the second guide pad 3 of the 4th clutch, the welding seam 130 at the large end place of the outer hub 13 of the 4th clutch is also on same straight line up and down with the inwall of the first guide pad 2.
The top of the outer hub 13 of the 4th clutch is provided with a pressure head 16, and the lower pressure surface of pressure head 16 is the concave structure 18 suitable with the large end end face of hub 13 outside the 4th clutch.
Clamp body 1 has a mounting seat 15 for being connected with the operating platform of forcing press, is arranged on the operating platform of forcing press by clamp body 1 by securing member.
Movement locus place during in order to ensure that the second guide pad 3 moves downward on the same line, can adopt following structure to realize:
In above-mentioned installing hole 10, a sliding bearing 5 is installed, the upper end of this sliding bearing 5 is provided with sealing ring 6 on, above-mentioned lower connecting portion 30 is through above-mentioned upper sealing ring 6 and stretch in sliding bearing 5, and lower connecting portion 30, forms the hermetically-sealed construction of sliding bearing 5 upper end between upper sealing ring 6 and corresponding installing hole inwall;
The installing hole 10 be positioned at below lower connecting portion 30 is provided with a central shaft 4, one end and the lower connecting portion 30 of central shaft 4 are threaded connection, a lower seal 7 is provided with between the inwall of the other end and installing hole 10, and the bottom being positioned at lower seal 7 is provided with a pressing plate 8, pressing plate 8 is connected with central shaft 4 by securing member, and central shaft 4, the hermetically-sealed construction of sliding bearing 5 lower end is formed between lower seal 7 and corresponding installing hole inwall, by above-mentioned two hermetically-sealed constructions, dust can be avoided to enter in the airtight cavity of formation, ensure the service life of sliding bearing 5 and the service life etc. of miscellaneous part.
For the ease of picking and placeing the second guide pad 3 pressed down, following structure can be set in installing hole 10:
Elastic damping unit 11 is set in the installing hole between sliding bearing 5 and lower seal 7, this elastic damping unit 11 adopts spring, by the surrounding of layout of spring at central shaft 4, and one end of spring is fixedly connected with central shaft 4, on the undertaking step 17 that the inwall that the other end is fixed on installing hole 10 is formed, when second guide pad 3 is depressed into spring, spring is subject to the effect of power, alternating compression storage power, the effect of absorbing can also be played simultaneously, after completing pressing action, spring stretches pushes up on the second guide pad 3, is convenient to taking-up second guide pad 3; Spring is connected with central shaft 4, can ensure not to be distorted in camber of spring process.
For the ease of realizing lubrication to sliding bearing 5, improving the service life of sliding bearing 5, can lubrication system be set:
Namely on clamp body 1, install an atomizer 14, this atomizer 14 is communicated with the inwall of the installing hole 10 being positioned at spring surrounding, and atomizer 14 is arranged on this position, can be communicated with, prevent leakage of oil with the airtight cavity of above-mentioned formation.
When concrete operations use, first clamp body 1 is arranged on the operating platform of servo-pressing machine, outer hub back shaft 12 is assemblied on the first guide pad 2, outer for 4th clutch hub 13 is assemblied on the second guide pad 3, and the welding seam 130 at the outer hub large end place of C4 is leveled up and down with the inwall of outer hub back shaft 12, start and press-fit program, pressure head 16 is utilized to press the second guide pad 3 and the outer hub 13 of the 4th clutch, second guide pad 3 and the outer hub 13 of the 4th clutch are moved downward, even if lower connecting portion 30 slide downward in sliding bearing 5, central shaft 4 also moves downward together simultaneously, lower connecting portion 30 is pressed onto spring position rear spring and is compressed, the outer hub 13 of 4th clutch enters in outer hub back shaft 12 under the guiding of the second guide pad 3 simultaneously,
After second guide pad 3 is released, spring stretches gives lower connecting portion 30 active force upwards of the second guide pad 3, and the second guide pad 3 is moved upward, band central shaft 4 recovers initial position, now can take off the second guide pad 3 easily, whole process 15-20 second, greatly increase work efficiency.
If the first guide pad 2 is in use damaged, changing new part after pulling down can use.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. for the frock of the 4th clutch and back shaft that assemble automatic transmission, it is characterized in that, comprise a clamp body vertically arranged, in described clamp body, offer the installing hole of a up/down perforation;
Also comprise the first guide pad for the outer hub back shaft of fit on, described first guide pad is detachably arranged on the upper surface of the described clamp body being positioned at described installing hole surrounding;
Described first guide pad has the through hole of a up/down perforation, and described through hole overlaps with the center line of described installing hole, described outer hub support sleeve is on the outer wall of described first guide pad, and the small end inwall of described outer hub back shaft and the inwall of described first guide pad are located on the same line up and down;
Also comprise the second guide pad for the outer hub of fit on the 4th clutch, described second guide pad is positioned at the described through hole of described first guide pad, the lower surface of described second guide pad has an outward extending lower connecting portion, and the upper end of described second guide pad has a projection;
Described lower connecting portion passes described through hole and is slidably mounted in described installing hole, and corresponding with the upper surface upper-lower position of the described clamp body between described installing hole with described first guide pad inwall in the lower surface of described second guide pad of described lower connecting portion surrounding; Described projection is through the centre bore of the outer hub of the 4th clutch, for realizing the outer centralized positioning of hub on described second guide pad of described 4th clutch, and the end face of the outer hub small end of described 4th clutch is resisted against described second guide pad is positioned on the upper surface of described through hole surrounding, for realizing the outer axial location of hub on described second guide pad of described 4th clutch, the welding seam at the outer hub large end place of described 4th clutch is also on same straight line up and down with the inwall of described first guide pad.
2. the frock of the 4th clutch and back shaft for assembling automatic transmission according to claim 1, it is characterized in that, in described installing hole, a sliding bearing is installed, the upper end of described sliding bearing is provided with sealing ring on, described lower connecting portion passes described upper sealing ring and stretches in described sliding bearing, and forms the hermetically-sealed construction of described sliding bearing upper end between described lower connecting portion, upper sealing ring and corresponding described installing hole inwall;
The described installing hole be positioned at below described lower connecting portion is provided with a central shaft, one end and the described lower connecting portion of described central shaft are threaded connection, a lower seal is provided with between the inwall of the other end and described installing hole, and the bottom being positioned at described lower seal is provided with a pressing plate, described pressing plate is connected with described central shaft by securing member, and forms the hermetically-sealed construction of described sliding bearing lower end between described central shaft, lower seal and corresponding described installing hole inwall.
3. the frock of the 4th clutch and back shaft for assembling automatic transmission according to claim 2, it is characterized in that, elastic damping unit is provided with in described installing hole between described sliding bearing and described lower seal, described elastic damping cell layout is in the surrounding of described central shaft, and one end of described elastic damping unit is fixedly connected with described central shaft, on the undertaking step that the inwall that the other end is fixed on described installing hole is formed.
4. the frock of the 4th clutch and back shaft for assembling automatic transmission according to claim 3, it is characterized in that, described clamp body is installed an atomizer, described atomizer is communicated with the inwall of the described installing hole being positioned at described elastic damping unit surrounding.
5. the frock of the 4th clutch and back shaft for assembling automatic transmission according to claim 1, it is characterized in that, the top of the outer hub of described 4th clutch is provided with a pressure head, and the lower pressure surface of described pressure head is the concave structure suitable with the large end end face of hub outside described 4th clutch.
6. the frock of the 4th clutch and back shaft for assembling automatic transmission according to claim 5, is characterized in that, described clamp body has a mounting seat for being connected with the operating platform of forcing press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520275371.0U CN204566037U (en) | 2015-04-30 | 2015-04-30 | For the frock of the 4th clutch and back shaft that assemble automatic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520275371.0U CN204566037U (en) | 2015-04-30 | 2015-04-30 | For the frock of the 4th clutch and back shaft that assemble automatic transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204566037U true CN204566037U (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520275371.0U Active CN204566037U (en) | 2015-04-30 | 2015-04-30 | For the frock of the 4th clutch and back shaft that assemble automatic transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204566037U (en) |
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2015
- 2015-04-30 CN CN201520275371.0U patent/CN204566037U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |