CN116198823B - Assembling method of integrated auxiliary box shell of transmission - Google Patents
Assembling method of integrated auxiliary box shell of transmission Download PDFInfo
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- CN116198823B CN116198823B CN202310297522.1A CN202310297522A CN116198823B CN 116198823 B CN116198823 B CN 116198823B CN 202310297522 A CN202310297522 A CN 202310297522A CN 116198823 B CN116198823 B CN 116198823B
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- auxiliary box
- shifting fork
- fork shaft
- shaft support
- assembly
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 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
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D19/38—Details or accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D19/38—Details or accessories
- B65D19/44—Elements or devices for locating articles on platforms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/68—Containers, packaging elements or packages, specially adapted for particular articles or materials for machines, engines or vehicles in assembled or dismantled form
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2585/00—Containers, packaging elements or packages specially adapted for particular articles or materials
- B65D2585/68—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention relates to an assembly method of transmission parts, in particular to an assembly method of an integrated auxiliary box shell of a transmission, which is used for solving the technical problems that the existing integrated auxiliary box shell of the transmission cannot be integrally press-fitted with two cylindrical roller bearings by adopting the existing assembly method, cannot be provided with a deep groove ball bearing from the upper end of the auxiliary box shell, and cannot be provided with an auxiliary box fork shaft assembly in an auxiliary box cylinder. The invention is used for assembling the integrated auxiliary box shell of the speed changer, realizes the rapid assembly of the integrated auxiliary box shell of the speed changer, and has the advantages of simple structure and convenient assembly.
Description
Technical Field
The invention relates to an assembly tool and an assembly method of a transmission part, in particular to an assembly method of an integrated auxiliary box shell of a transmission.
Background
The structure of the integrated auxiliary box of the transmission comprises an auxiliary box cylinder, a rear bearing cover and an auxiliary box shell, wherein the auxiliary box cylinder and the rear bearing cover are respectively arranged on the side face and the upper end of the auxiliary box shell and are integrally formed with the auxiliary box shell.
The structure of the auxiliary box shell is shown in fig. 1, and the auxiliary box shell comprises an auxiliary box shell base body 01, two cylindrical roller bearings 02, two auxiliary box intermediate shafts 03, a check ring 04, a deep groove ball bearing 05 and an auxiliary box main shaft 06. Since the rear bearing cap and the sub-tank cylinder are integrally integrated onto the sub-tank housing base 01, the center hole of the sub-tank housing base 01 is a blind hole when the cylindrical roller bearings 02 and the deep groove ball bearings 05 are assembled, so that the two cylindrical roller bearings 02 cannot be integrally press-fitted, the deep groove ball bearings 05 cannot be mounted from the upper end of the sub-tank housing base 01, and the sub-tank fork shaft assembly 09 cannot be mounted into the sub-tank cylinder.
Chinese patent CN108188654a discloses a method and apparatus for assembling a bearing outer ring and an assembly system of a transmission, the method for assembling a bearing outer ring is used for press-fitting a cylindrical roller bearing outer ring into a hole corresponding to a torque converter housing, and includes the steps of: heating the inner wall of a hole in the torque converter shell for assembling the outer ring of the cylindrical roller bearing, and press-fitting the outer ring of the cylindrical roller bearing into the heated hole in the torque converter shell; further, the inner wall of the hole in the torque converter housing for fitting the cylindrical roller bearing outer race is heated to 110-130 ℃, and pressure is continuously applied to the cylindrical roller bearing outer race for a duration of 1-2s. The method for assembling the outer ring of the bearing can only realize the assembly of the outer ring of the cylindrical roller bearing, but cannot solve the problems that the existing integrated auxiliary box shell of the transmission cannot be provided with the deep groove ball bearing 05 from the upper end of the auxiliary box shell base body 01 and the auxiliary box fork shaft assembly 09 cannot be arranged in an auxiliary box cylinder.
Disclosure of Invention
The invention aims to solve the technical problems that an existing transmission integrated auxiliary box shell cannot be integrally press-fitted with two cylindrical roller bearings by adopting an existing assembly method, a deep groove ball bearing cannot be installed from the upper end of the auxiliary box shell, and an auxiliary box shifting fork shaft assembly cannot be installed in an auxiliary box cylinder.
The invention provides the following technical solutions:
the utility model provides an assembly tray of derailleur integrated form accessory case casing which characterized in that: the device comprises a bottom plate, a main shaft support, two intermediate shaft supports, a shifting fork shaft support and a plurality of positioning devices, wherein the main shaft support, the two intermediate shaft supports, the shifting fork shaft support and the positioning devices are arranged on the bottom plate;
the main shaft support is fixedly arranged on the bottom plate and used for placing a main shaft of the auxiliary box to be assembled;
the two intermediate shaft supports are respectively positioned at two sides of the main shaft support and are both in sliding connection with the bottom plate, and are respectively used for placing two intermediate shafts of the auxiliary box to be assembled; the two intermediate shaft supports are provided with fixing devices for fixing the relative positions of the intermediate shaft supports and the bottom plate;
The shifting fork shaft support is in sliding connection with the bottom plate and is used for placing a shifting fork shaft assembly of the auxiliary box to be assembled;
Each positioning device comprises a positioning block arranged on the bottom plate and a positioning pin arranged on the positioning block; the positioning block is used for being matched with the bottom end of the auxiliary box shell body to be assembled, and the positioning pin is used for being matched with the positioning hole on the auxiliary box shell body to be assembled.
Further, a handle is arranged on the shifting fork shaft support and used for controlling the relative position of the shifting fork shaft support and the bottom plate.
Further, the shifting fork shaft support is in sliding connection with the bottom plate through a shifting fork shaft guide rail assembly, a limiting groove is formed in the shifting fork shaft guide rail assembly, and a limiting piece matched with the limiting groove is arranged on the shifting fork shaft support and used for fixing the relative position of the shifting fork shaft support and the bottom plate.
Further, a gap between the inner hole of the main shaft support and the main shaft of the auxiliary box to be assembled is smaller than or equal to 0.05mm, so that the main shaft of the auxiliary box to be assembled can be prevented from shaking in the inner hole of the main shaft support of the auxiliary box; the gap between the inner hole of the shifting fork shaft support and the to-be-assembled allocate fork shaft is smaller than or equal to 0.05mm, so that the to-be-assembled allocate fork shaft can be prevented from shaking in the inner hole of the shifting fork shaft support.
Further, the number of the positioning devices is two, and the two positioning pins are respectively a cylindrical positioning pin and a diamond positioning pin and are used for being conveniently adjusted.
Further, the two intermediate shaft supports are respectively connected with the bottom plate in a sliding manner through two linear guide rail assemblies, and the two linear guide rail assemblies are used for adjusting the distance when the intermediate shaft of the auxiliary box and the reduction gear are aligned.
Meanwhile, the invention provides an assembling method of the integrated auxiliary box shell of the transmission, which is characterized by comprising the following steps of: the assembling tray adopting the transmission integrated auxiliary box shell body base body comprises the following steps:
Step 1, after two cylindrical roller bearings are decomposed into two roller bearing outer rings and two roller bearing inner rings, the two roller bearing outer rings are pressed and assembled to corresponding positions of a sub-box shell base body, and a deep groove ball bearing is integrally pressed and assembled into a central hole of the sub-box shell base body and fixed by a retainer ring to form a shell assembly;
Step 2, arranging two auxiliary box intermediate shafts on two intermediate shaft supports respectively, arranging an auxiliary box main shaft and a synchronizer assembly in the main shaft support, and mounting a main box reduction gear on the auxiliary box main shaft to enable the main box reduction gear to be meshed with teeth on the auxiliary box intermediate shafts on two sides; simultaneously, arranging the auxiliary box shifting fork shaft assembly in a shifting fork shaft support;
step 3, respectively assembling the two roller bearing inner rings on the shaft heads of the two auxiliary box intermediate shafts assembled in the step 2, so that the end surfaces of the two roller bearing inner rings are respectively level with the end surfaces of the steps of the two auxiliary box intermediate shafts;
Step 4, lifting the shell assembly formed in the step 1, enabling each positioning pin to be inserted into a corresponding positioning hole on the auxiliary box shell base body, and when the roller of each roller bearing inner ring is in contact with the chamfer angle of the corresponding roller bearing outer ring, lightly shaking the shell assembly, enabling each roller bearing inner ring to be attached to the corresponding roller bearing outer ring part, and enabling the shifting fork shaft head to completely penetrate through the cylinder hole of the auxiliary box shell base body;
Step 5, press-fitting the deep groove ball bearing to enable the deep groove ball bearing to be attached to the main shaft of the auxiliary box, and enabling the lower end face of the inner ring of the deep groove ball bearing to be attached to the upper end face of the gear pressing plate on the main shaft of the auxiliary box;
And (4) observing whether the lower end surface of the auxiliary box shell body is completely attached to the positioning block, if so, installing the cylinder cover, and if not, finishing assembly, otherwise, returning to the step (4).
Further, in step 2, the disposing the auxiliary box shift rail assembly in the shift rail support is specifically: the shifting fork shaft support is moved to the end part of the shifting fork shaft guide rail assembly through the handle, the auxiliary box shifting fork shaft assembly is arranged in the shifting fork shaft support, the lower end face of the shifting fork shaft head is attached to the upper end face of an inner hole of the shifting fork shaft support, the shifting fork shaft support is moved to a preset position through the handle, the shifting fork is inserted into the sliding tooth sleeve of the synchronizer, and the limiting piece is located in the limiting groove.
In step 3, the shaft heads of the two auxiliary box intermediate shafts assembled in step 2 are specifically: and (2) after heating the two roller bearing inner rings, respectively assembling the two roller bearing inner rings on the shaft heads of the intermediate shafts of the two auxiliary boxes assembled in the step (2).
Further, in step 5, the press-fitting of the deep groove ball bearing specifically includes: and using a deep groove ball bearing press-fitting tool, acting on the inner ring of the deep groove ball bearing through the deep groove ball bearing press-fitting tool, starting a press, and press-fitting the deep groove ball bearing.
Compared with the prior art, the invention has the beneficial effects that:
(1) The invention relates to an assembly tray of an integrated gearbox auxiliary box shell, which comprises a bottom plate, a main shaft support, two intermediate shaft supports, a shifting fork shaft support and a plurality of positioning devices, wherein the bottom plate is provided with a plurality of positioning devices; the invention is used for assembling the integrated auxiliary box shell of the speed changer, realizes the rapid assembly of the integrated auxiliary box shell of the speed changer, and has the advantages of simple structure and convenient assembly.
(2) According to the assembling method of the integrated auxiliary box shell of the transmission, the problem that two cylindrical roller bearings cannot be integrally pressed is solved by decomposing the two cylindrical roller bearings; the retainer ring for the deep groove ball bearing is fixed in the central hole of the auxiliary box shell body to form a shell assembly, and then the deep groove ball bearing is pressed to be attached to the main shaft of the auxiliary box, so that the problem that the deep groove ball bearing cannot be installed from the upper end of the auxiliary box shell body is solved; the auxiliary box shifting fork shaft assembly is arranged in the shifting fork shaft support, and then the shell assembly is installed, so that the problem that the auxiliary box shifting fork shaft assembly cannot be installed in the auxiliary box cylinder is solved.
Drawings
FIG. 1 is a schematic diagram of a prior art transmission integrated sub-tank housing;
FIG. 2 is a schematic view of an embodiment of an assembly pallet for a transmission integrated sub-tank housing of the present invention;
FIG. 3 is a schematic view of a housing assembly formed in step 1 in an embodiment of a method for assembling a transmission integrated sub-tank housing according to the present invention;
FIG. 4 is a schematic diagram of the assembled structure of step 2 according to the embodiment of the present invention;
FIG. 5 is a schematic diagram of the transmission integrated sub-tank according to the embodiment of the present invention after the transmission integrated sub-tank is assembled in step 5;
FIG. 6 is a stepped cross-sectional view of the transmission integrated sub-tank after assembly in step 5 in accordance with an embodiment of the present invention.
The reference numerals are explained as follows: 01-a sub-tank housing base; 02-cylindrical roller bearing, 021-roller bearing outer ring, 022-roller bearing inner ring; 03-auxiliary box intermediate shaft; 04-check ring; 05-deep groove ball bearings; 06-a main shaft of the auxiliary box; 07-synchronizer assembly; 08-main box reduction gear; 09—a sub-box fork shaft assembly; 010-synchronizer sliding tooth sleeve; 011—cylinder bore;
1-a bottom plate; 2-a spindle support; 3-an intermediate shaft support; 4-shifting fork shaft support, 41-limiting parts and 42-handles; 5-positioning blocks; 6-locating pins; 7-a linear guide rail assembly; 8-fork shaft guide rail assembly.
Detailed Description
The invention is further described below with reference to the drawings and exemplary embodiments.
Referring to fig. 2, an assembly pallet for a transmission integrated type sub-tank housing includes a base plate 1, and a main shaft support 2, two intermediate shaft supports 3, a shift rail support 4, two positioning devices, two linear guide rail assemblies 7, and a shift rail assembly 8 provided on the base plate 1.
The main shaft support 2 is fixedly arranged on the bottom plate 1 and is used for placing a main shaft 06 of the auxiliary box to be assembled; the clearance between the inner hole of the auxiliary box main shaft 06 support and the auxiliary box main shaft 06 to be assembled is less than or equal to 0.05mm, so that the auxiliary box main shaft 06 to be assembled can be prevented from shaking in the inner hole of the auxiliary box main shaft 06 support.
The two intermediate shaft supports 3 are respectively positioned at two sides of the main shaft support 2 and are respectively connected with the bottom plate 1 in a sliding way through two linear guide rail assemblies 7, and are respectively used for placing two auxiliary box intermediate shafts 03 to be assembled; fixing devices are arranged on the two intermediate shaft supports 3 and used for fixing the relative positions of the intermediate shaft supports 3 and the bottom plate 1.
The shifting fork shaft support 4 is in sliding connection with the bottom plate 1 through a shifting fork shaft guide rail assembly 8 and is used for placing a shifting fork shaft assembly 09 of a to-be-assembled auxiliary box; a limiting groove is formed in the shifting fork shaft guide rail assembly 8, and a limiting piece 41 matched with the limiting groove is arranged on the shifting fork shaft support 4 and used for fixing the relative position of the shifting fork shaft support 4 and the bottom plate 1; the gap between the inner hole of the shifting fork shaft support 4 and the fork shaft to be assembled allocate is smaller than or equal to 0.05mm, so that the fork shaft to be assembled allocate can be prevented from shaking in the inner hole of the shifting fork shaft support 4.
Each positioning device comprises a positioning block 5 arranged on the bottom plate 1 and a positioning pin 6 arranged on the positioning block 5; the positioning block 5 is used for being matched with the bottom end of the auxiliary box shell body 01 to be assembled, and the positioning pin 6 is used for being matched with a positioning hole on the auxiliary box shell body 01 to be assembled. The two positioning pins 6 are respectively cylindrical positioning pins and diamond positioning pins.
Fig. 5 is a schematic structural view of the transmission integrated sub-tank housing after assembly, and fig. 6 is a stepped sectional view of fig. 5. In the figure, a synchronizer assembly 07, a main box reduction gear 08, a check ring 04 and deep groove ball bearings 05 are sequentially sleeved on a main box main shaft 06 from bottom to top, the main box reduction gear 08 is meshed with teeth on auxiliary box intermediate shafts 03 on two sides, and a shifting fork of an auxiliary box shifting fork shaft assembly 09 is arranged in a synchronizer sliding tooth sleeve 010 in the synchronizer assembly 07.
The invention provides an assembling method of an integrated auxiliary box shell of a speed changer, which comprises the following steps of:
Step 1, after the two cylindrical roller bearings 02 are decomposed into two roller bearing outer rings 021 and two roller bearing inner rings 022, the two roller bearing outer rings 021 are pressed and installed at corresponding positions of a sub-box shell body 01, a deep groove ball bearing 05 is integrally pressed and installed in a central hole of the sub-box shell body 01, and is fixed by a retainer ring 04, so that a shell assembly is formed, as shown in fig. 3;
step 2, arranging two auxiliary box intermediate shafts 03 on two intermediate shaft supports 3 respectively, arranging an auxiliary box main shaft and a synchronizer assembly 07 in the main shaft support 2, and mounting a main box reduction gear 08 on the auxiliary box main shaft 06 so as to be meshed with teeth on the auxiliary box intermediate shafts 03 on two sides;
simultaneously, the shifting fork shaft support 4 is moved to the end part of the linear guide rail of the shifting fork shaft through the handle 42, the auxiliary box shifting fork shaft assembly 09 is arranged in the shifting fork shaft support 4, the lower end surface of the shaft head of the shifting fork is attached to the upper end surface of the inner hole of the shifting fork shaft support 4, the shifting fork shaft support 4 is moved to a preset position through the handle 42, the shifting fork is inserted into the sliding tooth sleeve 010 of the synchronizer, and the limiting piece 41 is positioned in the limiting groove, as shown in fig. 4;
Step 3, after heating the two roller bearing inner rings 022, respectively assembling the two roller bearing inner rings 022 on the shaft heads of the two auxiliary box intermediate shafts 03 assembled in the step 2, so that the end faces of the two roller bearing inner rings 022 are respectively level with the step end faces of the two auxiliary box intermediate shafts 03;
Step 4, lifting the shell assembly formed in the step 1, enabling each positioning pin 6 to be inserted into a corresponding positioning hole on the auxiliary box shell body 01, and enabling each roller bearing inner ring 022 to be attached to a corresponding roller bearing outer ring 021 part when the roller of each roller bearing inner ring 022 is in contact with a chamfer angle of the corresponding roller bearing outer ring 021, and enabling a shifting fork shaft head to completely penetrate through a cylinder hole 11 of the auxiliary box shell body 01;
Step 5, referring to fig. 5 and 6, using an existing deep groove ball bearing press-fitting tool, applying the deep groove ball bearing press-fitting tool to the inner ring of the deep groove ball bearing 05, starting a press, and press-fitting the deep groove ball bearing 05 to enable the deep groove ball bearing 05 to be attached to the auxiliary box main shaft 06, wherein the lower end face of the inner ring of the deep groove ball bearing 05 is attached to the upper end face of a gear pressing plate on the auxiliary box main shaft 06;
And (4) observing whether the lower end surface of the auxiliary box shell body 01 is completely attached to the positioning block 5, if so, installing the cylinder cover, and if not, finishing assembly, otherwise, returning to the step (4).
The foregoing embodiments are merely for illustrating the technical solutions of the present invention, and not for limiting the same, and it will be apparent to those skilled in the art that modifications may be made to the specific technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, without departing from the spirit of the technical solutions protected by the present invention.
Claims (9)
1. The assembling method of the integrated auxiliary box shell of the speed changer adopts an assembling tray of the integrated auxiliary box shell of the speed changer, and the assembling tray of the integrated auxiliary box shell of the speed changer comprises a bottom plate (1), a main shaft support (2), two intermediate shaft supports (3), a fork shaft support (4) and a plurality of positioning devices, wherein the main shaft supports (2), the two intermediate shaft supports (3) and the fork shaft supports (4) are arranged on the bottom plate (1);
the main shaft support (2) is fixedly arranged on the bottom plate (1) and is used for placing a main shaft (06) of the auxiliary box to be assembled;
The two intermediate shaft supports (3) are respectively positioned at two sides of the main shaft support (2) and are both in sliding connection with the bottom plate (1) and are respectively used for placing two auxiliary box intermediate shafts (03) to be assembled; fixing devices are arranged on the two intermediate shaft supports (3) and used for fixing the relative positions of the intermediate shaft supports (3) and the bottom plate (1);
The shifting fork shaft support (4) is in sliding connection with the bottom plate (1) and is used for placing a shifting fork shaft assembly (09) of the auxiliary box to be assembled;
Each positioning device comprises a positioning block (5) arranged on the bottom plate (1) and a positioning pin (6) arranged on the positioning block (5); the positioning block (5) is used for being matched with the bottom end of the auxiliary box shell body (01) to be assembled, and the positioning pin (6) is used for being matched with a positioning hole on the auxiliary box shell body (01) to be assembled;
The method is characterized in that: the method comprises the following steps:
Step 1, after two cylindrical roller bearings (02) are decomposed into two roller bearing outer rings (021) and two roller bearing inner rings (022), the two roller bearing outer rings (021) are pressed and assembled to corresponding positions of a sub-box shell base body (01), and a deep groove ball bearing (05) is integrally pressed and assembled into a central hole of the sub-box shell base body (01) and fixed by a retainer ring (04), so that a shell assembly is formed;
Step 2, arranging two auxiliary box intermediate shafts (03) on two intermediate shaft supports (3) respectively, arranging an auxiliary box main shaft (06) and a synchronizer assembly (07) in the main shaft support (2), and installing a main box reduction gear (08) on the auxiliary box main shaft (06) so as to be meshed with teeth on the auxiliary box intermediate shafts (03) on two sides; simultaneously, the auxiliary box shifting fork shaft assembly (09) is arranged in the shifting fork shaft support (4);
Step 3, respectively assembling two roller bearing inner rings (022) on shaft heads of the two auxiliary box intermediate shafts (03) assembled in the step 2, so that the end surfaces of the two roller bearing inner rings (022) are respectively level with the step end surfaces of the two auxiliary box intermediate shafts (03);
Step 4, lifting the shell assembly formed in the step 1, enabling each positioning pin (6) to be inserted into a corresponding positioning hole on the auxiliary box shell base body (01), and enabling each roller bearing inner ring (022) to be partially attached to the corresponding roller bearing outer ring (021) when the roller of each roller bearing inner ring (022) is in contact with a chamfer angle of the corresponding roller bearing outer ring (021), and enabling a shifting fork shaft head to completely penetrate through a cylinder hole (011) of the auxiliary box shell base body (01);
step 5, press-fitting the deep groove ball bearing (05) to enable the deep groove ball bearing (05) to be attached to the auxiliary box main shaft (06), and enabling the lower end face of the inner ring of the deep groove ball bearing (05) to be attached to the upper end face of the gear pressing plate on the auxiliary box main shaft (06);
And (4) observing whether the lower end surface of the auxiliary box shell body (01) is completely attached to the positioning block (5), and whether the shifting fork shaft head passes through the cylinder hole (011) on the auxiliary box shell body (01), if so, completing assembly after installing the cylinder cover, otherwise, returning to the step (4).
2. The method of assembling a transmission integrated sub-tank housing as claimed in claim 1, wherein: the shifting fork shaft support (4) is provided with a handle (42) for controlling the relative position of the shifting fork shaft support (4) and the bottom plate (1).
3. The method of assembling a transmission integrated sub-tank housing according to claim 2, wherein: the shifting fork shaft support (4) is in sliding connection with the bottom plate (1) through a shifting fork shaft guide rail assembly (8), a limiting groove is formed in the shifting fork shaft guide rail assembly (8), and a limiting piece (41) matched with the limiting groove is arranged on the shifting fork shaft support (4) and used for fixing the relative position of the shifting fork shaft support (4) and the bottom plate (1).
4. A method of assembling a transmission integrated sub-tank housing as claimed in claim 3, wherein: the gap between the inner hole of the main shaft support (2) and the main shaft (06) of the auxiliary box to be assembled is smaller than or equal to 0.05mm, and the gap between the inner hole of the shifting fork shaft support (4) and the fork shaft to be assembled allocate mm is smaller than or equal to 0.05mm.
5. The method of assembling a transmission integrated sub-tank housing as claimed in claim 4, wherein: the number of the positioning devices is two, and the two positioning pins (6) are cylindrical positioning pins and diamond positioning pins respectively.
6. The method of assembling a transmission integrated sub-tank housing as claimed in claim 5, wherein: the two intermediate shaft supports (3) are respectively connected with the bottom plate (1) in a sliding manner through two linear guide rail assemblies (7).
7. The method of assembling a transmission integrated sub-tank housing as claimed in claim 6, wherein: in step 2, the setting of the auxiliary box shifting fork shaft assembly (09) in the shifting fork shaft support (4) is specifically as follows: the shifting fork shaft support (4) is moved to the end part of the shifting fork shaft guide rail assembly (8) through the handle (42), the auxiliary box shifting fork shaft assembly (09) is arranged in the shifting fork shaft support (4), the lower end face of the shifting fork shaft head is attached to the upper end face of an inner hole of the shifting fork shaft support (4), the shifting fork shaft support (4) is moved to a preset position through the handle (42), the shifting fork is inserted into the synchronizer sliding tooth sleeve (010), and the limiting piece (41) is located in the limiting groove.
8. The method of assembling a transmission integrated sub-tank housing as claimed in claim 7, wherein: in step 3, the shaft heads of the two auxiliary box intermediate shafts (03) assembled in step 2 are specifically: and (2) after heating the two roller bearing inner rings (022), respectively assembling the two roller bearing inner rings (022) on shaft heads of the two auxiliary box intermediate shafts (03) assembled in the step (2).
9. The method of assembling a transmission integrated sub-tank housing as claimed in claim 8, wherein: in step 5, the pressing and mounting of the deep groove ball bearing (05) specifically comprises the following steps: and using a deep groove ball bearing press-fitting tool, acting on the inner ring of the deep groove ball bearing (05) through the deep groove ball bearing press-fitting tool, starting a press, and press-fitting the deep groove ball bearing (05).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310297522.1A CN116198823B (en) | 2023-03-24 | 2023-03-24 | Assembling method of integrated auxiliary box shell of transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310297522.1A CN116198823B (en) | 2023-03-24 | 2023-03-24 | Assembling method of integrated auxiliary box shell of transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116198823A CN116198823A (en) | 2023-06-02 |
| CN116198823B true CN116198823B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310297522.1A Active CN116198823B (en) | 2023-03-24 | 2023-03-24 | Assembling method of integrated auxiliary box shell of transmission |
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| CN (1) | CN116198823B (en) |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10217045A (en) * | 1997-02-04 | 1998-08-18 | Mazda Motor Corp | Assembling method and device for transmission |
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