CN219190077U - Frock subassembly convenient to power assembly - Google Patents
Frock subassembly convenient to power assembly Download PDFInfo
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- CN219190077U CN219190077U CN202320134956.5U CN202320134956U CN219190077U CN 219190077 U CN219190077 U CN 219190077U CN 202320134956 U CN202320134956 U CN 202320134956U CN 219190077 U CN219190077 U CN 219190077U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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Abstract
The utility model provides a tool assembly convenient for assembling a power assembly, which comprises a first tool and a second tool, wherein the first tool comprises a first rod body, a first rotation stopping part and a first positioning part, when the first rotation stopping part is in plug fit with a first rotation stopping fit part on a flywheel, the first tool rotates, the first positioning part can be abutted with the first positioning fit part to limit the rotation position of the flywheel relative to an engine shell, the second tool comprises a second rod body, a second rotation stopping part and a second positioning part, when the second rotation stopping part is in plug fit with a second rotation stopping fit part on a transmission input shaft, the second tool rotates, and the second positioning part can be abutted with the second positioning fit part to limit the rotation position of the transmission input shaft relative to the transmission shell. The tool assembly convenient for assembling the power assembly can improve the assembling efficiency of the engine and the speed changer of the power assembly, is beneficial to reducing the labor intensity of workers and has better practicability.
Description
Technical Field
The utility model relates to the technical field of power assembly, in particular to a tool assembly convenient for power assembly.
Background
The power assembly refers to a series of component assemblies on a vehicle that generate power and transmit the power to a road surface. Broadly, a powertrain includes an engine, a transmission, a driveshaft, a differential, and a clutch, etc., but typically, a powertrain generally includes an engine, a transmission, and the remaining components integrated onto the transmission, such as a clutch, a front differential, etc.
In the existing structure, a flywheel is generally installed on a power output shaft of an engine, an internal spline is arranged in the center of the flywheel, a rotatable transmission input shaft is generally arranged in a transmission, and an external spline is arranged on the transmission input shaft. When the engine is assembled with the transmission, the external spline on the input shaft of the transmission is required to be in plug-in fit with the internal spline in the center of the flywheel.
However, due to the limitation of the external spline on the transmission input shaft and the internal spline at the center of the flywheel, the alignment of the engine and the transmission is difficult, and the assembly position is usually required to be continuously adjusted by manually rotating the transmission or the engine slowly, so that the external spline on the transmission input shaft is aligned with the internal spline at the center of the flywheel, the engine and the transmission can be smoothly assembled together, the assembly time is wasted, the weight of the engine and the transmission is heavy, and the labor intensity of workers is high.
Disclosure of Invention
In view of the foregoing, the present utility model is directed to a tooling assembly that facilitates assembly of a powertrain to facilitate improved assembly efficiency of an engine and a transmission.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
a tool assembly convenient for assembling a power assembly comprises a first tool and a second tool;
the first tool comprises a first rod body and a first rotation stopping part arranged on the first rod body; the first rod body is provided with a first positioning part, when the first rotation stopping part is in plug-in fit with a first rotation stopping fit part on the flywheel, the first tool rotates, and the first positioning part can be abutted with the first positioning fit part on the engine shell to limit the rotation position of the flywheel relative to the engine shell;
the second tool comprises a second rod body and a second rotation stopping part arranged on the second rod body; the second rod body is provided with a second positioning part, when the second rotation stopping part is in plug-in fit with a second rotation stopping fit part on the transmission input shaft, the second tool rotates, and the second positioning part can be abutted with the second positioning fit part on the transmission shell to limit the rotation position of the transmission input shaft relative to the transmission shell.
Further, a protruding column is arranged at a position, close to one end of the first rod body, the protruding column protrudes to one side of the first rod body, the first rotation stopping portion is a positioning external spline arranged on the protruding column, and the first rotation stopping matching portion is an internal spline arranged at the center of the flywheel.
Further, the first positioning part comprises a first positioning rod with one end connected with the first rod body, and the first positioning rod and the convex column are positioned on the same side of the first rod body.
Further, a first weight-reducing groove is formed in the first rod body.
Further, the first weight-reducing grooves are multiple, and the multiple first weight-reducing grooves are arranged at intervals in the length direction of the first rod body.
Further, a sleeve is arranged at one end of the second rod body, the sleeve protrudes towards one side of the second rod body, the second rotation stopping portion is a positioning internal spline arranged in the sleeve, and the second rotation stopping matching portion is an external spline arranged on the transmission input shaft.
Further, the second positioning part comprises a second positioning rod arranged on the second rod body, and the second positioning rod and the sleeve protrude towards the same side of the second rod body.
Further, with respect to the end of the second rod body, which is provided with the sleeve, the other end of the second rod body is provided with a third rod body, and an included angle alpha between the second rod body and the third rod body is an obtuse angle.
Further, a second weight reduction groove is formed in the second rod body.
Further, the second weight-reducing grooves are multiple, and the multiple second weight-reducing grooves are arranged at intervals in the length direction of the second rod body.
Compared with the prior art, the utility model has the following advantages:
according to the tool assembly convenient for assembling the power assembly, the flywheel can be positioned on the engine shell by the first tool, and the transmission input shaft can be positioned on the transmission shell by the second tool, so that the assembly of the engine and the transmission is convenient, the assembly efficiency of the power assembly can be improved, and the labor intensity of workers can be reduced.
In addition, the convex column is arranged, the first rotation stopping part is arranged to be a positioning external spline, so that the first rotation stopping part is convenient to match with an internal spline of the flywheel, and the positioning precision is high, thereby being beneficial to ensuring that the engine and the transmission are quickly assembled together. The first positioning part is arranged as the first positioning rod, and the first positioning rod and the convex column are positioned on the same side of the first rod body, so that the structure is simple, and the positioning is convenient. The first weight reduction groove is formed in the first rod body, so that the weight of the first tool can be reduced, and the labor intensity of workers can be reduced conveniently.
In addition, the sleeve is arranged, the second rotation stopping part is arranged to be a positioning internal spline, so that the second rotation stopping part is conveniently matched with an external spline of the transmission input shaft, the positioning precision is high, and the engine and the transmission are conveniently and quickly assembled together. The second positioning part is arranged as a second positioning rod, and the second positioning rod and the sleeve are protruded to the same side of the second rod body, so that the structure is simple and the positioning is convenient. The third rod body is arranged, and an included angle alpha between the second rod body and the third rod body is an obtuse angle, so that the operation of workers can be facilitated. The second weight reduction groove is formed in the second rod body, so that the weight of the second tool can be reduced, and the labor intensity of workers can be reduced conveniently.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is an assembly view of an engine housing, flywheel and first tooling according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a first tool according to an embodiment of the present utility model;
FIG. 3 is a schematic view of the structure of FIG. 2 at another view angle;
FIG. 4 is a cross-sectional view of an engine housing, flywheel and first tooling according to an embodiment of the present disclosure;
FIG. 5 is an assembly view of a transmission housing, a transmission input shaft, and a second tooling according to an embodiment of the present utility model;
fig. 6 is a schematic structural diagram of a second tool according to an embodiment of the present utility model;
FIG. 7 is a schematic view of the structure of FIG. 6 at another view angle;
FIG. 8 is a cross-sectional view of a transmission housing, transmission input shaft, and second tooling according to an embodiment of the present utility model assembled together.
Reference numerals illustrate:
1. a first tool; 2. a second tool; 3. a flywheel; 4. an engine housing; 5. a transmission input shaft; 6. a transmission housing;
101. a first rod body; 1011. a first weight-reducing groove; 102. a convex column; 1021. a first rotation stopping portion; 103. a first positioning portion;
301. a first rotation-stopping fitting portion; 401. a first positioning mating portion;
201. a second rod body; 202. a sleeve; 2021. a second rotation stopping portion; 203. a second positioning portion; 204. a third rod body;
501. a second rotation-stopping mating portion; 601. and a second positioning matching part.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "inner", "back", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In addition, in the description of the present utility model, the terms "mounted," "connected," and "connecting" are to be construed broadly, unless otherwise specifically defined. For example, the connection can be fixed connection, detachable connection or integrated connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
The embodiment relates to a tool assembly convenient for assembling a power assembly, so that the assembly efficiency between an engine and a transmission of the power assembly is improved, and the labor intensity of workers is reduced.
Based on the above design concept, an exemplary structure of the tooling assembly of the present embodiment, which is convenient for assembling the powertrain, is shown in fig. 2 and 6, and mainly includes the first tooling 1 shown in fig. 2, and the second tooling 2 shown in fig. 6.
As shown in fig. 2 and 3, the first tool 1 includes a first rod 101 and a first rotation stop 1021 disposed on the first rod 101. As shown in fig. 1 and fig. 4, when the first rotation stopping portion 1021 is in plug-in engagement with the first rotation stopping engagement portion 301 on the flywheel 3, the first tool 1 rotates around the axial center line of the flywheel 3, and can drive the flywheel 3 to synchronously rotate relative to the engine housing 4.
As a preferred embodiment, a portion of the first rod body 101 near one end thereof is provided with a boss 102, and the boss 102 protrudes toward one side of the first rod body 101. The first rotation stopping portion 1021 is a positioning external spline arranged on the convex column 102, and the first rotation stopping matching portion 301 is an internal spline arranged in the center of the flywheel 3.
Because the internal spline is the structure on the existing flywheel 3, the convex column 102 is arranged, and the first rotation stopping part 1021 is arranged as a positioning external spline on the convex column 102, the first rotation stopping matching part 301 is not required to be additionally arranged on the flywheel 3, so that the internal spline of the flywheel 3 is conveniently matched with the internal spline, the positioning precision is high, and the quick assembly of an engine and a transmission is facilitated.
In addition to the first rotation stopping portion 1021 and the first rotation stopping mating portion 301 being configured as spline pairs, other configurations are possible that can limit the relative rotation of the first tool 1 and the flywheel 3, but such configuration is required to include the relative positions between the spline and the rotation stopping structure during the machining process.
As a preferred embodiment, still referring to fig. 2 and 3, a first positioning portion 103 is provided on the first rod 101, the first tool 1 drives the flywheel 3 to rotate around the axial center line of the flywheel 3, and the first positioning portion 103 can abut against a first positioning matching portion 401 on the engine housing 4 to define the rotational position of the flywheel 3 relative to the engine housing 4.
Preferably, the first positioning portion 103 includes a first positioning rod with one end connected to the first rod body 101, where the first positioning rod and the boss 102 are located on the same side of the first rod body 101, so that when the first positioning rod abuts against the first positioning matching portion 401 on the engine housing 4, the rotation position of the flywheel 3 on the engine housing 4 can be limited rapidly, and the first tool 1 is simple in structure and convenient to position. In this structure, the first positioning rod and the first rod body 101 may be integrally formed, or may be connected together by bolts, welding, fastening, riveting, or the like.
As a preferred embodiment, with continued reference to fig. 3, the first rod 101 has a relatively thick thickness, and the first rod 101 is provided with a first weight-reducing slot 1011, so that the weight of the first tool 1 can be reduced, and the labor intensity of workers can be reduced. Here, the first weight reduction groove 1011 may be provided on either side of the first rod 101, and the first weight reduction groove 1011 may be a through groove in the first rod 101.
In the present embodiment, the shape of the first weight-reducing groove 1011 is not limited, and may be triangle, circle, diamond, etc. The number of the first weight reduction grooves 1011 may be one or more, and preferably, the number of the first weight reduction grooves 1011 is set to be more than one, and the plurality of first weight reduction grooves 1011 are arranged at intervals in the longitudinal direction of the first rod body 101. However, it should be understood that the first weight reduction groove 1011 may be omitted, for example, the first rod body 101 may be made of a thin plate.
As shown in fig. 6 and 7, the second tool 2 includes a second rod 201, and a second rotation stopping portion 2021 provided at one end of the second rod 201, as shown in fig. 5 and 8, the second rotation stopping portion 2021 can be in plug-in fit with the second rotation stopping fitting portion 501 of the transmission input shaft 5, and when the second tool 2 rotates around the axial center of the transmission input shaft 5, the transmission input shaft 5 can synchronously rotate with the second tool 2.
The second rod 201 is provided with a sleeve 202, the sleeve 202 protrudes to one side of the second rod 201, the second rotation stopping portion 2021 is a positioning internal spline arranged in the sleeve 202, and the second rotation stopping matching portion 501 is an external spline arranged on the transmission input shaft 5. In addition, the sleeve 202 is arranged, the second rotation stopping part 2021 is set to be a positioning internal spline, so that the second rotation stopping part 2021 is conveniently matched with an external spline of the transmission input shaft 5, the second rotation stopping matching part 501 is not required to be additionally arranged on the transmission input shaft 5, the positioning precision is high, and the engine and the transmission can be conveniently and quickly assembled together.
In this embodiment, the sleeve 202 is disposed at one end of the second rod 201, and the second rotation stop portion 2021 is a positioning internal spline in the sleeve 202, so that the processing is convenient. However, in addition to this, a positioning post may be provided at one end of the second rod 201, a blind hole may be provided in the positioning post, and the second rotation stop portion 2021 may be a positioning internal spline in the blind hole.
In addition to the second rotation stop portion 2021 and the second rotation stop mating portion 501 being configured as a spline pair, other configurations are possible that limit the relative rotation of the second tool 2 and the transmission input shaft 5, except that the relative positions between the spline and the rotation stop structure need to be included during the machining process.
As a preferred embodiment, the second lever 201 is provided with a second positioning portion 203, and when the second rotation stopping portion 2021 is in plug-in engagement with the second rotation stopping engagement portion 501 on the transmission input shaft 5, the second tool 2 rotates, and the second positioning portion 203 can abut against the second positioning engagement portion 601 on the transmission housing 6, so as to limit the rotation position of the transmission input shaft 5 relative to the transmission housing 6.
Still referring to fig. 6 and 7, the second positioning portion 203 includes a second positioning rod provided on the second rod 201, and the second positioning rod protrudes toward the same side of the second rod 201 as the sleeve 202. In this embodiment, the second positioning portion 203 is set as a second positioning rod, and when the second tool 2 rotates, the second positioning rod can be abutted with the second positioning matching portion 601 on the transmission housing 6, so that the structure is simple, and the positioning is convenient. In this structure, the second positioning rod and the second rod 201 may be integrally formed, or may be connected together by bolts, welding, fastening, riveting, or the like.
The other end of the second rod 201 is provided with a third rod 204, relative to the end of the second rod 201 provided with the sleeve 202, and an included angle α between the second rod 201 and the third rod 204 is an obtuse angle. Here, the third rod 204 is disposed, and the included angle α between the second rod 201 and the third rod 204 is an obtuse angle, which is convenient for a worker to operate. It should be further noted that the second rod 201 may be integrally formed with the first rod 101, or may be connected together by bolts, welding, fastening, riveting, or the like.
As a preferred embodiment, the second rod 201 is made of a thin plate, so that a weight-reducing groove is not required to be provided on the second rod 201. However, in addition, a second weight-reducing groove may be formed on the second rod 201, so as to reduce the weight of the second tool 2, thereby reducing the labor intensity of the worker.
It should be noted that the second weight-reducing groove may be similar to the first weight-reducing groove 1011 described above, and may be formed on either side of the second rod 201, except that the second weight-reducing groove may be a through groove formed on the second rod 201.
In this embodiment, the shape of the second weight-reducing groove is not limited, and may be triangular, circular, bar-shaped, or the like. And the number of the second weight-reducing grooves may be one or more, and when the number of the second weight-reducing grooves is more than one, the plurality of second weight-reducing grooves are preferably arranged at intervals in the longitudinal direction of the second rod body 201 for ease of arrangement.
During actual assembly, after the flywheel 3 is mounted on a power output shaft of an engine through an existing structure, the flywheel 3 is inserted into an internal spline in the center of the flywheel 3 through a positioning external spline of the first tool 1, the first tool 1 is rotated, the flywheel 3 rotates along with the first tool 1 due to the limitation of the first rotation stopping part 1021 and the second rotation stopping matching part 501, and the rotation position of the flywheel 3 relative to the engine housing 4 can be limited when the first positioning part 103 is abutted with the first positioning matching part 401.
The positioning internal spline of the second tool 2 is sleeved on the transmission input shaft 5 of the transmission, the second tool 2 is rotated, and the transmission input shaft 5 rotates along with the second tool 2 due to the limitation of the second rotation stopping part 2021 and the second rotation stopping matching part 501, and when the second positioning part 203 abuts against the second positioning matching part 601, the rotation position of the transmission input shaft 5 relative to the transmission housing 6 can be limited.
At this time, when the engine and the transmission are made to approach each other in the set direction, for example, in the prior art, the engine is fixed, the transmission is lifted to the set height, the transmission is directly made to approach the engine, and the external spline of the transmission input shaft 5 can be smoothly inserted into the internal spline of the flywheel 3, so that the assembly efficiency can be improved, the transmission does not need to be repeatedly rotated by a worker, and the labor intensity of the worker can be reduced.
The tool assembly convenient for assembling a power assembly of the embodiment, the first tool 1 can position the flywheel 3 on the engine housing 4, and the second tool 2 can position the transmission input shaft 5 on the transmission housing 6, so that the assembly of the engine and the transmission is convenient, the assembly efficiency of the power assembly can be improved, the labor intensity of workers can be reduced, and the tool assembly convenient for assembling the power assembly has better practicability.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. Frock subassembly convenient to power assembly, its characterized in that:
comprises a first tool (1) and a second tool (2);
the first tool (1) comprises a first rod body (101) and a first rotation stopping part (1021) arranged on the first rod body (101); the first rod body (101) is provided with a first positioning part (103), when the first rotation stopping part (1021) is in plug fit with a first rotation stopping matching part (301) on the flywheel (3), the first tool (1) rotates, and the first positioning part (103) can be abutted with a first positioning matching part (401) on the engine shell (4) to limit the rotation position of the flywheel (3) relative to the engine shell (4);
the second tool (2) comprises a second rod body (201) and a second rotation stopping part (2021) arranged on the second rod body (201); the second lever body (201) is provided with a second positioning part (203), when the second rotation stopping part (2021) is in plug-in fit with a second rotation stopping fit part (501) on the transmission input shaft (5), the second tool (2) rotates, and the second positioning part (203) can be abutted with a second positioning fit part (601) on the transmission housing (6) to limit the rotation position of the transmission input shaft (5) relative to the transmission housing (6).
2. The tooling assembly for facilitating assembly of a powertrain of claim 1, wherein:
a convex column (102) is arranged at a position, close to one end of the first rod body (101), and the convex column (102) protrudes to one side of the first rod body (101);
the first rotation stopping part (1021) is a positioning external spline arranged on the convex column (102), and the first rotation stopping matching part (301) is an internal spline arranged at the center of the flywheel (3).
3. The tooling assembly for facilitating assembly of a powertrain of claim 2, wherein:
the first positioning part (103) comprises a first positioning rod, one end of the first positioning rod is connected with the first rod body (101), and the first positioning rod and the convex column (102) are positioned on the same side of the first rod body (101).
4. The tooling assembly for facilitating assembly of a powertrain of claim 1, wherein:
the first rod body (101) is provided with a first weight reduction groove (1011).
5. The tooling assembly for facilitating assembly of a powertrain of claim 4, wherein:
the first weight reducing grooves (1011) are a plurality of, and the plurality of first weight reducing grooves (1011) are arranged at intervals in the length direction of the first rod body (101).
6. The tooling assembly for facilitating assembly of a powertrain of any one of claims 1-5, wherein:
one end of the second rod body (201) is provided with a sleeve (202), and the sleeve (202) protrudes to one side of the second rod body (201);
the second rotation stopping part (2021) is a positioning internal spline arranged in the sleeve (202), and the second rotation stopping matching part (501) is an external spline arranged on the transmission input shaft (5).
7. The tooling assembly for facilitating assembly of a powertrain of claim 6, wherein:
the second positioning part (203) comprises a second positioning rod arranged on the second rod body (201), and the second positioning rod and the sleeve (202) protrude towards the same side of the second rod body (201).
8. The tooling assembly for facilitating assembly of a powertrain of claim 6, wherein:
and a third rod body (204) is arranged at the other end of the second rod body (201) relative to one end of the second rod body (201) provided with the sleeve (202), and an included angle alpha between the second rod body (201) and the third rod body (204) is an obtuse angle.
9. The tooling assembly for facilitating assembly of a powertrain of claim 6, wherein:
and a second weight reduction groove is formed in the second rod body (201).
10. The tooling assembly for facilitating assembly of a powertrain according to claim 9, wherein:
the second weight reducing grooves are arranged at intervals in the length direction of the second rod body (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320134956.5U CN219190077U (en) | 2023-01-15 | 2023-01-15 | Frock subassembly convenient to power assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320134956.5U CN219190077U (en) | 2023-01-15 | 2023-01-15 | Frock subassembly convenient to power assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219190077U true CN219190077U (en) | 2023-06-16 |
Family
ID=86723975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320134956.5U Active CN219190077U (en) | 2023-01-15 | 2023-01-15 | Frock subassembly convenient to power assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219190077U (en) |
-
2023
- 2023-01-15 CN CN202320134956.5U patent/CN219190077U/en active Active
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