CN214274373U - Commercial transmission of new forms of energy electricelectric motor - Google Patents
Commercial transmission of new forms of energy electricelectric motor Download PDFInfo
- Publication number
- CN214274373U CN214274373U CN202022851053.8U CN202022851053U CN214274373U CN 214274373 U CN214274373 U CN 214274373U CN 202022851053 U CN202022851053 U CN 202022851053U CN 214274373 U CN214274373 U CN 214274373U
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- shifting fork
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000004323 axial length Effects 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 2
- 108090000565 Capsid Proteins Proteins 0.000 abstract 3
- 239000007787 solid Substances 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model provides a pure electric commercial derailleur of new forms of energy, its input shaft and the coaxial arrangement of output shaft for simple structure, system efficiency are high, and power takeoff mechanism is installed simultaneously to it, satisfies the requirement of commercial car power matching to the transmission system derailleur. It includes the gearbox casing, the gearbox casing includes procapsid, back casing, form speed-changing cavity and power takeoff cavity after procapsid, back casing are assembled, input shaft, output shaft, jackshaft have been arranged in the speed-changing cavity, input shaft, output shaft coaxial arrangement, the input evagination of input shaft in the corresponding input hole position of procapsid, the output evagination of output shaft in the corresponding output hole position of back casing, the rear end face axle center of input shaft is provided with the axle center hole of indent, the front end of output shaft passes through the front end bearing and is positioned the downthehole arrangement in axle center, the solid cover has four to keep off output gear on the input shaft.
Description
Technical Field
The utility model relates to a technical field of derailleur structure specifically is a commercial derailleur of pure electric of new forms of energy.
Background
The transmission of the existing pure electric automobile generally comprises a main box and an auxiliary box, wherein the auxiliary box is used for installing a power takeoff structure, an input shaft, at least one intermediate shaft and an output shaft which are arranged in parallel are arranged in the main box, and the existing transmission occupies a larger space without using a battery and an electric system because the pure electric automobile needs to be provided with a relatively larger battery installation space.
Disclosure of Invention
To the problem, the utility model provides a pure electric commercial derailleur of new forms of energy, its input shaft and the coaxial arrangement of output shaft for simple structure, system efficiency are high, and power takeoff mechanism is installed simultaneously to it, satisfy the requirement of commercial car power matching to the transmission system derailleur.
The utility model provides a commercial derailleur of pure electric of new forms of energy which characterized in that: the transmission case comprises a transmission case body, the transmission case body comprises a front case and a rear case, a transmission cavity and a power takeoff cavity are formed after the front case and the rear case are assembled, an input shaft, an output shaft and an intermediate shaft are arranged in the transmission cavity, the input shaft and the output shaft are coaxially arranged, the input end of the input shaft protrudes out of the corresponding input hole position of the front case, the output end of the output shaft protrudes out of the corresponding output hole position of the rear case, the rear end surface shaft center of the input shaft is provided with an inwards concave shaft center hole, the front end of the output shaft is positioned in the shaft center hole through a front end bearing and is arranged, a four-gear output gear is fixedly sleeved on the input shaft, the output shaft is sleeved with a three-gear output gear, a two-gear output gear and a one-gear output gear from the front case to the axial length direction of the rear case, and a three-gear output meshing sleeve is sleeved on an axial region between the four-gear output gear and the three-gear output gear, the corresponding sides of the four-gear output gear and the three-gear output gear are respectively fixedly sleeved with corresponding meshing gear rings, a second-gear output meshing sleeve is sleeved in an axial region between the second-gear output gear and the first-gear output gear, the corresponding sides of the second-gear output gear and the first-gear output gear are respectively fixedly sleeved with corresponding meshing gear rings, a third-fourth-gear shifting fork shaft and a second-gear shifting fork shaft which are coaxially arranged are further arranged in an upper cavity of the input shaft and an upper cavity of the output shaft, the third-fourth-gear shifting fork shaft and the second-gear shifting fork shaft are coaxially connected in a limiting manner through a linear spring, a third-fourth-gear shifting fork is arranged at a position of the third-fourth-gear shifting fork shaft corresponding to a driving groove of the second-gear output meshing sleeve, a second-gear shifting fork is arranged at a position of the second-gear shifting fork shaft corresponding to the driving groove of the second-gear output meshing sleeve, and shifting fork shaft bushings are arranged at friction parts of the two shifting fork shafts corresponding to the front shell and the rear shell, the middle shaft is fixedly sleeved with a normally meshed gear, a middle shaft three-gear, a middle shaft two-gear and a middle shaft one-gear in sequence along the axial direction, the normally meshed gear is meshed with the four-gear output gear, the middle shaft three-gear is meshed with the three-gear output gear, the middle shaft two-gear is meshed with the two-gear output gear, the middle shaft one-gear is meshed with the one-gear output gear, a power takeoff input gear and a power takeoff output shaft are arranged in a power takeoff cavity, a transmission gear is fixedly sleeved on the power takeoff output shaft, and the power takeoff input gear is respectively meshed with the middle shaft three-gear and the transmission gear.
It is further characterized in that:
an input shaft bearing cover is arranged on a front end cover of the front shell corresponding to the input hole, an input shaft oil seal is arranged on a positioning hole of the input shaft bearing cover, an input shaft bearing is sleeved on the input shaft corresponding to the input hole, and a part of the input shaft, which is protruded forwards from the input shaft bearing cover, is externally connected with a motor;
an output shaft bearing cover is arranged on a rear end cover of the rear shell corresponding to the output hole, an output shaft oil seal is arranged on a positioning hole of the output bearing cover, an output shaft bearing is sleeved on the output shaft corresponding to the output hole, and an output flange is fixedly arranged at the rear end of the output shaft protruding out of the output bearing cover;
the position of the middle shaft relative to the rear end cover is convex backwards and is covered with a middle shaft rear bearing cover, so that the convenience and quickness in maintenance are ensured;
rack structures are respectively arranged in the length directions of the third-gear shifting fork shaft, the fourth-gear shifting fork shaft and the second-gear shifting fork shaft, and external gear shifting mechanisms are meshed and connected with the rack structures through transmission gears;
one side of the whole declutch shift axle that three-four keeps off declutch shift axle, two keep off declutch shift axle and constitute is provided with an indent locking hole, one side of the declutch shift axle guiding hole of back casing is provided with the locking guiding hole, place the lock ball spring that has the steel ball in the locking guiding hole, the outer end of lock ball spring passes through lockhole bolt encapsulation, the steel ball is located under the locking state in the indent locking hole, it is reliable to guarantee to keep off the position under the neutral gear state.
After the utility model is adopted, four pairs of gears are used to realize four gears, the coaxial arrangement structure of the input shaft and the output shaft is adopted, the whole transmission is small in size, the friction parts of the shifting fork shaft, the front shell and the rear shell are respectively provided with a shifting fork shaft bushing, the friction coefficient is reduced, the gear shifting damping is reduced, the wear resistance is improved, and meanwhile, the speed difference of the gear to be engaged by the meshing sleeve is adjusted by controlling the rotating speed of the driving motor, so that the gear engagement without the speed difference or with the small speed difference is realized; compared with the hydraulic control gear shifting of the traditional vehicle, the utility model simplifies the structure into an engagement sleeve, so that the structure is simpler, the performance is more reliable, and meanwhile, the side part of the intermediate shaft is connected with a power takeoff structure, so that the power takeoff requirement in the running process of part of commercial vehicles is met; in conclusion, the two-stage four-gear transmission is adopted, so that the structure is simpler, the transmission efficiency is higher, the power performance is better, and the after-sale maintenance cost is lower.
Drawings
FIG. 1 is a schematic sectional view of the front view of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
front shell 1, rear shell 2, speed change cavity 3, power take-off cavity 4, input shaft 5, output shaft 6, intermediate shaft 7, front end bearing 8, four-gear output gear 9, three-gear output gear 10, two-gear output gear 11, one-gear output gear 12, three-four-gear output meshing sleeve 13, meshing gear ring 14, two-gear output meshing sleeve 15, three-four-gear shift fork shaft 16, two-gear shift fork shaft 17, linear spring 18, three-four-gear shift fork 19, two-gear shift fork 20, shift fork shaft bushing 21, normally meshing gear 22, intermediate shaft three-gear 23, intermediate shaft two-gear 24, intermediate shaft one-gear 25, power take-off input gear 26, power take-off output shaft 27, transmission gear 28, input shaft bearing cover 29, input shaft oil seal 30, input shaft bearing 31, output shaft bearing cover 32, output shaft oil seal 33, output shaft bearing 34, output flange 35, intermediate shaft rear bearing cover 36, The gear shifting mechanism 37, the concave locking hole 38, the steel ball 39, the locking ball spring 40 and the locking hole bolt 41.
Detailed Description
A new energy electric commercial transmission, see fig. 1: the transmission case comprises a transmission case body, the transmission case body comprises a front case body 1 and a rear case body 2, the front case body 1 and the rear case body 2 are assembled to form a transmission cavity body 3 and a power takeoff cavity body 4, an input shaft 5, an output shaft 6 and an intermediate shaft 7 are arranged in the transmission cavity body 3, the input shaft 5 and the output shaft 6 are coaxially arranged, the input end of the input shaft 5 protrudes out of the position of a corresponding input hole of the front case body 1, the output end of the output shaft 6 protrudes out of the position of a corresponding output hole of the rear case body 2, the center of a rear end surface shaft of the input shaft 5 is provided with a concave shaft center hole, the front end of the output shaft 6 is positioned in the shaft center hole through a front end bearing 8 and is arranged, a four-gear output gear 9 is fixedly sleeved on the input shaft 5, the output shaft 6 is sequentially sleeved with a three-gear output gear 10, a two-gear output gear 11 and a one-gear output gear 12 from the front case body 1 to the axial length direction of the rear case body 2 through bearings, and a three-four-gear output gear 9 and a three-four-gear output meshing sleeve 13 is sleeved on the axial region between the three-gear output gear 10 The corresponding sides of the four-gear output gear 9 and the three-gear output gear 20 are respectively fixedly sleeved with corresponding meshed gear rings 14,
a second-gear output meshing sleeve 15 is sleeved in an axial area between the second-gear output gear 11 and the first-gear output gear 12, corresponding sides of the second-gear output gear 11 and the first-gear output gear 12 are respectively fixedly sleeved with corresponding meshing gear rings 14, a third-fourth-gear shifting fork shaft 16 and a second-gear shifting fork shaft 17 which are coaxially arranged are further arranged in the upper cavity of the input shaft 1 and the output shaft 2, the third-fourth-gear shifting fork shaft 16 and the second-gear shifting fork shaft 17 are coaxially connected in a limiting manner through a linear spring 18, a third-fourth-gear shifting fork 19 is arranged at the position, corresponding to a driving groove of the third-fourth-gear output meshing sleeve 13, of the third-fourth-gear shifting fork shaft 16, a second-gear shifting fork 20 is arranged at the position, corresponding to the driving groove of the second-gear output meshing sleeve 15, and shifting fork shaft bushings 21 are arranged at the friction parts, corresponding to the front shell 1 and the rear shell 2, of the two shifting fork shafts 17,
the intermediate shaft 7 is fixedly sleeved with a constant meshing gear 22, an intermediate shaft three-gear 23, an intermediate shaft two-gear 24 and an intermediate shaft one-gear 25 in sequence along the axial direction, the constant meshing gear 22 is meshed with the four-gear output gear 9, the intermediate shaft three-gear 23 is meshed with the three-gear output gear 10, the intermediate shaft two-gear 24 is meshed with the two-gear output gear 11, the intermediate shaft one-gear 25 is meshed with the one-gear output gear 12,
a power takeoff input gear 26 and a power takeoff output shaft 27 are arranged in the power takeoff cavity 4, a transmission gear 28 is fixedly sleeved on the power takeoff output shaft 27, and the power takeoff input gear 26 is respectively meshed and connected with the intermediate shaft three-gear 23 and the transmission gear 28.
An input shaft bearing cover 29 is arranged on the front end cover 1 of the front shell 1 corresponding to the input hole, an input shaft oil seal 30 is arranged on a positioning hole of the input shaft bearing cover 29, an input shaft bearing 31 is sleeved on the input shaft 5 corresponding to the input hole, and the part of the input shaft 5 protruding forwards from the input shaft bearing cover 29 is used for externally connecting a motor;
the rear end cover 2 of the rear shell 2 corresponding to the output hole is provided with an output shaft bearing cover 32, a positioning hole of the output bearing cover 32 is provided with an output shaft oil seal 33, the output shaft 6 corresponding to the output hole is sleeved with an output shaft bearing 34, and the rear end of the output shaft 6 protruding out of the output bearing cover 32 is fixedly provided with an output flange 35;
the position of the intermediate shaft 7 relative to the rear end cover 2 is convex backwards and is covered with an intermediate shaft rear bearing cover 36, so that the convenience and rapidness in maintenance are ensured;
rack structures are respectively arranged in the length directions of the third-gear shifting fork shaft 16 and the fourth-gear shifting fork shaft 17, and an external gear shifting mechanism 37 is meshed with the rack structures through a transmission gear; the shift mechanism 37 is not within the scope of the present technique and is not described in detail;
one side of an integral shifting fork shaft consisting of the third-gear shifting fork shaft 16, the fourth-gear shifting fork shaft 16 and the second-gear shifting fork shaft 17 is provided with an inward concave locking hole 38, one side of a shifting fork shaft guide hole of the rear shell 2 is provided with a locking guide hole, a ball locking spring 40 with a steel ball 39 is placed in the locking guide hole, the outer end of the ball locking spring 40 is packaged through a lock hole bolt 41, and the steel ball 39 is positioned in the inward concave locking hole 38 in a locking state, so that the reliable gear position in a neutral gear state is ensured.
The working principle is as follows:
the transmission principle of each gear is as follows:
first gear
The driving motor → the input shaft → the four-gear output gear → the intermediate shaft first gear → the first gear output gear → the meshing gear ring → the second gear output meshing sleeve → the output shaft → the output flange.
Second gear
The driving motor → the input shaft → the fourth gear output gear → the intermediate shaft second gear → the second gear output gear → the meshing gear ring → the second gear output meshing sleeve → the output shaft → the output flange.
Three-gear
The driving motor → the input shaft → the four-gear output gear → the intermediate shaft and the three-gear → the three-gear output gear → the meshing gear ring → the three-gear and four-gear output meshing sleeve → the output shaft → the output flange.
Four-gear
The driving motor → the input shaft → the meshing gear ring → the three-gear and four-gear output meshing sleeve → the output shaft → the output flange.
The four gears are realized by using four pairs of gears, the coaxial arrangement structure of an input shaft and an output shaft is adopted, the whole transmission is small in size, the friction parts of a shifting fork shaft, a front shell and a rear shell are respectively provided with a shifting fork shaft bushing, the friction coefficient is reduced, the gear shifting damping is reduced, the wear resistance is improved, and meanwhile, the speed difference of the gears to be engaged of a meshing sleeve is adjusted by controlling the rotating speed of a driving motor, so that the gear engagement without the speed difference or with the small speed difference is realized; compared with the hydraulic control gear shifting of the traditional vehicle, the utility model simplifies the structure into an engagement sleeve, so that the structure is simpler, the performance is more reliable, and meanwhile, the side part of the intermediate shaft is connected with a power takeoff structure, so that the power takeoff requirement in the running process of part of commercial vehicles is met; in conclusion, the two-stage four-gear transmission is adopted, so that the structure is simpler, the transmission efficiency is higher, the power performance is better, and the after-sale maintenance cost is lower.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a commercial derailleur of pure electric of new forms of energy which characterized in that: the transmission case comprises a transmission case body, the transmission case body comprises a front case and a rear case, a transmission cavity and a power takeoff cavity are formed after the front case and the rear case are assembled, an input shaft, an output shaft and an intermediate shaft are arranged in the transmission cavity, the input shaft and the output shaft are coaxially arranged, the input end of the input shaft protrudes out of the corresponding input hole position of the front case, the output end of the output shaft protrudes out of the corresponding output hole position of the rear case, the rear end surface shaft center of the input shaft is provided with an inwards concave shaft center hole, the front end of the output shaft is positioned in the shaft center hole through a front end bearing and is arranged, a four-gear output gear is fixedly sleeved on the input shaft, the output shaft is sleeved with a three-gear output gear, a two-gear output gear and a one-gear output gear from the front case to the axial length direction of the rear case, and a three-gear output meshing sleeve is sleeved on an axial region between the four-gear output gear and the three-gear output gear, the corresponding sides of the four-gear output gear and the three-gear output gear are respectively fixedly sleeved with corresponding meshing gear rings, a second-gear output meshing sleeve is sleeved in an axial region between the second-gear output gear and the first-gear output gear, the corresponding sides of the second-gear output gear and the first-gear output gear are respectively fixedly sleeved with corresponding meshing gear rings, a third-fourth-gear shifting fork shaft and a second-gear shifting fork shaft which are coaxially arranged are further arranged in an upper cavity of the input shaft and an upper cavity of the output shaft, the third-fourth-gear shifting fork shaft and the second-gear shifting fork shaft are coaxially connected in a limiting manner through a linear spring, a third-fourth-gear shifting fork is arranged at a position of the third-fourth-gear shifting fork shaft corresponding to a driving groove of the second-gear output meshing sleeve, a second-gear shifting fork is arranged at a position of the second-gear shifting fork shaft corresponding to the driving groove of the second-gear output meshing sleeve, and shifting fork shaft bushings are arranged at friction parts of the two shifting fork shafts corresponding to the front shell and the rear shell, the middle shaft is fixedly sleeved with a normally meshed gear, a middle shaft three-gear, a middle shaft two-gear and a middle shaft one-gear in sequence along the axial direction, the normally meshed gear is meshed with the four-gear output gear, the middle shaft three-gear is meshed with the three-gear output gear, the middle shaft two-gear is meshed with the two-gear output gear, the middle shaft one-gear is meshed with the one-gear output gear, a power takeoff input gear and a power takeoff output shaft are arranged in a power takeoff cavity, a transmission gear is fixedly sleeved on the power takeoff output shaft, and the power takeoff input gear is respectively meshed with the middle shaft three-gear and the transmission gear.
2. The new energy pure electric commercial transmission of claim 1, wherein: the front end cover of the front shell corresponding to the input hole is provided with an input shaft bearing cover, an input shaft oil seal is arranged on a positioning hole of the input shaft bearing cover, an input shaft bearing is sleeved at the position of the input shaft corresponding to the input hole, and the front projection of the input shaft is used for connecting an external motor.
3. The new energy pure electric commercial transmission of claim 1, wherein: the rear end cover of the rear shell corresponding to the output hole is provided with an output shaft bearing cover, an output shaft oil seal is arranged on a positioning hole of the output bearing cover, an output shaft bearing is sleeved at the position of the output shaft corresponding to the output hole, and an output flange is fixedly arranged at the rear end of the output shaft protruding out of the output bearing cover.
4. The new energy pure electric commercial transmission according to claim 3, characterized in that: the position of the middle shaft relative to the rear end cover is convex backwards and is covered with a middle shaft rear bearing cover.
5. The new energy pure electric commercial transmission of claim 1, wherein: the gear shifting mechanism is characterized in that rack structures are respectively arranged in the length directions of the third-gear shifting fork shaft, the fourth-gear shifting fork shaft and the second-gear shifting fork shaft, and an external gear shifting mechanism is meshed and connected with the rack structures through a transmission gear.
6. The new energy pure electric commercial transmission of claim 1, wherein: one side of the whole declutch shift axle that three-four keeps off declutch shift axle, two keep off declutch shift axle and constitute is provided with an indent counterpoint hole, one side of the declutch shift axle guiding hole of back casing is provided with the counterpoint guiding hole, place the lock ball spring that has the steel ball in the counterpoint guiding hole, the outer end of lock ball spring passes through lockhole bolt encapsulation, the steel ball is located under the lock state indent counterpoint downthehole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022851053.8U CN214274373U (en) | 2020-12-02 | 2020-12-02 | Commercial transmission of new forms of energy electricelectric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022851053.8U CN214274373U (en) | 2020-12-02 | 2020-12-02 | Commercial transmission of new forms of energy electricelectric motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214274373U true CN214274373U (en) | 2021-09-24 |
Family
ID=77778443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022851053.8U Withdrawn - After Issue CN214274373U (en) | 2020-12-02 | 2020-12-02 | Commercial transmission of new forms of energy electricelectric motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214274373U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360934A (en) * | 2020-12-02 | 2021-02-12 | 苏州绿控传动科技股份有限公司 | Commercial transmission of new forms of energy electricelectric motor |
| CN117570159A (en) * | 2024-01-15 | 2024-02-20 | 四川艾马仕科技有限公司 | Variable speed transmission assembly with separation function |
-
2020
- 2020-12-02 CN CN202022851053.8U patent/CN214274373U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360934A (en) * | 2020-12-02 | 2021-02-12 | 苏州绿控传动科技股份有限公司 | Commercial transmission of new forms of energy electricelectric motor |
| CN112360934B (en) * | 2020-12-02 | 2024-05-28 | 苏州绿控传动科技股份有限公司 | New energy pure electric commercial transmission |
| CN117570159A (en) * | 2024-01-15 | 2024-02-20 | 四川艾马仕科技有限公司 | Variable speed transmission assembly with separation function |
| CN117570159B (en) * | 2024-01-15 | 2024-03-19 | 四川艾马仕科技有限公司 | Variable speed transmission assembly with separation function |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210924 Effective date of abandoning: 20240528 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20210924 Effective date of abandoning: 20240528 |