CN219706688U - Double-intermediate-shaft electric drive shafting arrangement structure with auxiliary box and engineering vehicle - Google Patents
Double-intermediate-shaft electric drive shafting arrangement structure with auxiliary box and engineering vehicle Download PDFInfo
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- CN219706688U CN219706688U CN202320840579.7U CN202320840579U CN219706688U CN 219706688 U CN219706688 U CN 219706688U CN 202320840579 U CN202320840579 U CN 202320840579U CN 219706688 U CN219706688 U CN 219706688U
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Abstract
The utility model provides a double-intermediate-shaft electric drive shafting arrangement structure with an auxiliary box, which is used for the technical field of transmission devices, in particular to a double-intermediate-shaft electric drive shafting arrangement structure with an auxiliary box, comprising a double-intermediate-shaft gearbox and a planetary gear pair reduction box; the double-intermediate-shaft gearbox comprises a first input shaft and a first output shaft, the planetary gear pair gearbox comprises a second input shaft and a second output shaft, and the second output shaft is connected with the first input shaft or the first output shaft is connected with the second input shaft; the first input shaft and the first output shaft are coaxially arranged, and the second input shaft and the second output shaft are coaxially arranged. The double-intermediate shaft electric drive shafting arrangement structure with the auxiliary box is small in size, large in speed ratio and capable of meeting the requirements by connecting a motor with smaller torque. The utility model also provides the engineering vehicle with the double-intermediate-shaft electric drive shafting arrangement structure with the auxiliary box, which is convenient for complete vehicle matching and more space arrangement batteries, and improves the endurance mileage.
Description
Technical Field
The utility model relates to the technical field of transmission devices, in particular to a double-intermediate-shaft electric drive shafting arrangement structure with an auxiliary box and an engineering vehicle.
Background
The pure electric vehicle is clean and environment-friendly, is favorable for promoting the development and utilization of renewable energy sources and meeting the requirement of energy source diversification, has low daily use and maintenance cost, and is worth popularizing greatly. In addition, the existing electric drive assembly of the pure electric heavy truck commercial vehicle mainly adopts a low-speed high-torque permanent magnet synchronous motor and a multi-gear AMT transmission, and the motor torque is large so that the motor has high cost, large weight and difficult whole vehicle arrangement. Few manufacturers adopt a structure of a medium-speed or high-speed motor plus a parallel shaft reduction gearbox plus a multi-gear AMT (automated mechanical transmission), but the axial ruler and the radial dimension of the reduction gearbox are still larger, and the whole vehicle is difficult to arrange.
Disclosure of Invention
In view of the above, the utility model provides a double-intermediate shaft electric drive shafting arrangement structure with an auxiliary box, which has small structure volume, large speed ratio and capability of meeting the requirements by connecting a motor with smaller torque with the double-intermediate shaft electric drive shafting arrangement structure, thereby leaving more space for arranging batteries in the whole vehicle arrangement.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a dual intermediate shaft electric drive shafting arrangement with a secondary box, comprising:
a double intermediate shaft gearbox and a planetary gear pair gearbox;
the double-intermediate-shaft gearbox comprises a first input shaft and a first output shaft, the planetary gear pair gearbox comprises a second input shaft and a second output shaft, and the second output shaft is connected with the first input shaft or the first output shaft is connected with the second input shaft; the first input shaft and the first output shaft are coaxially arranged, and the second input shaft and the second output shaft are coaxially arranged.
Optionally, the planetary gear pair reduction gearbox comprises a sun gear, a planet carrier and a gear ring, and the gear ring is fixedly connected with a shell of the planetary gear pair reduction gearbox; the sun gear is fixedly arranged on the second input shaft, and the second output shaft is fixedly connected with the planet carrier.
Optionally, the second output shaft is connected with the first input shaft, and the second input shaft and the output shaft of the motor are in an integrated structure; or the first output shaft is connected with the second input shaft, and the first input shaft and the output shaft of the motor are of an integrated structure.
Optionally, the second output shaft and the first input shaft are of an integrated structure; or, the first output shaft and the second input shaft are of an integrated structure.
Optionally, the double-intermediate-shaft gearbox further comprises at least two intermediate shafts, and the at least two intermediate shafts are respectively arranged on two sides of the first output shaft in parallel;
a fourth driving gear is fixedly connected to the first input shaft;
a fourth driven gear, a third driving gear, a second driving gear and a first driving gear which are fixedly connected with the intermediate shaft are sequentially arranged on the intermediate shaft from the input end to the output end;
the first output shaft is sequentially provided with a second synchronizer, a third driven gear, a second driven gear, a first synchronizer and a first driven gear from the input end to the output end, the first driven gear, the second driven gear and the third driven gear are sleeved on the intermediate shaft in a hollow manner, and the first synchronizer and the second synchronizer are connected to the intermediate shaft in a sliding manner;
the first driving gear, the second driving gear and the third driving gear are respectively meshed with the first driven gear, the second driven gear and the third driven gear;
the first driven gear and the second driven gear are respectively provided with a first combining tooth and a second combining tooth which can be matched with the first synchronizer; and a third combining tooth and a fourth combining tooth which can be matched with the second synchronizer are respectively arranged on the third driven gear and the fourth driving gear.
Optionally, the first synchronizer and the second synchronizer are connected with the first output shaft through a sliding sleeve or a spline.
Optionally, the fourth driven gear and the third driving gear are connected with the intermediate shaft through any one of a cylindrical pin, a square key and a spline, or the fourth driven gear and the third driving gear are connected with the intermediate shaft in an interference mode.
Optionally, the first driving gear and the second driving gear are both configured as an integral shaft tooth structure with the intermediate shaft.
Optionally, the shaft head of at least one intermediate shaft can be connected with a single power takeoff or a double power takeoff through a spline.
According to the double-intermediate-shaft electric drive shafting arrangement structure with the auxiliary box, the double-intermediate-shaft gearbox is connected with the planetary gear pair reduction box, so that the transmission shafting structure of the double-intermediate-shaft gearbox is simple, convenient to assemble, reliable in operation and convenient to maintain, gears can be selected according to motor efficiency and road conditions, more motors can be enabled to work in a high-efficiency area, and comprehensive power consumption is lower; meanwhile, the planetary gear pair reduction gearbox is small in size and large in speed ratio, the speed ratio of the double-intermediate-shaft gearbox can be increased by 2 to 5 times, corresponding motor torque can be reduced by 2 to 5 times under the condition of outputting torque, and the motor cost and the motor weight are reduced by the small-torque motor.
The utility model also provides an engineering vehicle, which comprises a double-intermediate-shaft electric drive shafting arrangement structure with the auxiliary box.
According to the engineering vehicle, by adopting the double-intermediate-shaft electric drive shafting arrangement structure with the auxiliary box, complete vehicle matching is facilitated, more space-arranged batteries are reserved, and the endurance mileage is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a front-facing planetary gear pair reduction box of an embodiment of the dual countershaft electric drive shafting arrangement with a secondary box of the present utility model;
FIG. 2 is a schematic diagram of a transmission shaft according to a first embodiment of the present utility model;
FIG. 3 is a schematic diagram of a rear-mounted reduction gearbox with a secondary box for a secondary planetary gear pair in an embodiment of a dual intermediate shaft electric drive shafting arrangement of the present utility model;
in fig. 1-3:
1. planetary gear pair reduction gearbox; 2. a double intermediate shaft gearbox; 3. a double intermediate shaft gearbox; 4. planetary gear pair reduction gearbox; 5. a motor; 6. an output shaft of the motor; 7. a sun gear; 8. a planet wheel; 9. a gear ring; 10. a planet carrier; 101. a second output shaft, 11, a fourth driving gear; 12. an intermediate shaft; 121. a fourth driven gear; 122. a third drive gear; 123. a second drive gear; 124. a first drive gear; 13. a first output shaft; 14. a second synchronizer; 15. a first synchronizer; 16. a third driven gear; 17. a second driven gear; 18. a first driven gear.
Detailed Description
The utility model provides a double-intermediate shaft electric drive shafting arrangement structure with an auxiliary box, which has small structure volume and large speed ratio, and can meet the requirements by connecting a motor with smaller torque with the double-intermediate shaft electric drive shafting arrangement structure, so that more space for arranging batteries is reserved in the whole vehicle arrangement.
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
1-3, the utility model provides a double-intermediate-shaft electric drive shafting arrangement structure with an auxiliary box, which comprises a double-intermediate-shaft gearbox and a planetary gear pair reduction box;
the double-intermediate-shaft gearbox comprises a first input shaft and a first output shaft 13 which are coaxially arranged, the planetary gear pair gearbox comprises a second input shaft and a second output shaft 101 which are coaxially arranged, and the coaxial arrangement of the input shaft and the output shaft can enable the gearbox and the gearbox to be compact in structure;
as shown in fig. 1-2, in the first embodiment of the present utility model, the planetary gear pair reduction gearbox may be disposed in front of the double intermediate shaft gearbox, and the second input shaft is connected to the motor output shaft 6, so that the second output shaft 101 is connected to the first input shaft, and the first output shaft 13 is used as an output end; as shown in fig. 3, in the second embodiment of the present utility model, the planetary gear pair reduction gearbox may be disposed behind the double intermediate shaft gearbox, so that the motor output shaft 6 is connected to the first input shaft, the first output shaft 13 is connected to the second input shaft, and the second output shaft 101 is used as an output end. The effect of improving the speed ratio can be realized no matter the planetary gear pair reduction gearbox is arranged in front or behind.
According to the double-intermediate-shaft electric drive shafting arrangement structure with the auxiliary box, the double-intermediate-shaft gearbox is connected with the planetary gear pair reduction box, so that the transmission shafting structure of the double-intermediate-shaft gearbox is simple, convenient to assemble, reliable in operation and convenient to maintain, gears can be selected according to motor efficiency and road conditions, more motors can be operated in high-efficiency intervals, and comprehensive power consumption is lower; meanwhile, the planetary gear pair reduction gearbox is small in size and large in speed ratio, the speed ratio of the double-intermediate-shaft gearbox can be increased by 2 to 5 times, corresponding motor torque can be reduced by 2 to 5 times under the condition of outputting torque, and the motor cost and the motor weight are reduced by the small-torque motor.
As shown in fig. 1-3, the planetary gear pair reduction gearbox comprises a sun gear 7, a planet gear 8, a planet carrier 10 and a gear ring 9, wherein the gear ring 9 and a shell of the planetary gear pair reduction gearbox can be fixedly connected in a spline, interference and other modes; the sun gear 7 may be fixedly arranged on the second input shaft by means of splines or the like, and the second output shaft 101 is fixedly connected with the planet carrier 10. The planetary gear pair reduction box is simple and compact in structure, small in size and large in speed ratio, and is used as a part of a double-intermediate-shaft electric drive shafting arrangement structure with the auxiliary box, so that the whole size of the double-intermediate-shaft electric drive shafting arrangement structure with the auxiliary box is reduced.
Preferably, in the case of the front-mounted planetary gear reduction box in the first embodiment, the second output shaft 101 is connected with the first input shaft, the second input shaft is connected with the motor output shaft 6, and the second input shaft and the motor output shaft 6 can be set to be an integral structure, and then the sun gear 7 is mounted on the motor output shaft 6 through a spline; or, in the case of the rear-mounted planetary gear reduction box in the second embodiment, the first output shaft 13 is connected with the second input shaft, the first input shaft and the motor output shaft 6 are arranged into an integrated structure, and the gears on the first input shaft are arranged on the motor output shaft 6 through the spline, so that the number of the inner shafts of the double-intermediate-shaft electric drive shafting arrangement structure with the auxiliary box can be reduced, the double-intermediate-shaft electric drive shafting arrangement structure with the auxiliary box is more compact, and the transmission is more reliable.
Preferably, in the case where the planetary reduction gearbox is arranged in front of the first embodiment, the second output shaft 101 is connected to the first input shaft, and the second output shaft 101 and the first input shaft may be provided as an integral structure; or, in the case of the rear-mounted planetary gear reduction box in the second embodiment, the first output shaft 13 is connected with the second input shaft, and the first output shaft 13 and the second input shaft can be set to be of an integrated structure, so that the number of the inner shafts of the double intermediate shaft electric drive shafting arrangement structure with the auxiliary box can be reduced, the double intermediate shaft electric drive shafting arrangement structure with the auxiliary box is more compact, and the transmission is more reliable.
The double intermediate shaft gearbox further comprises at least two intermediate shafts 12, preferably two intermediate shafts 12, wherein the two intermediate shafts 12 are respectively arranged on two sides of the first output shaft 13 in parallel;
a fourth driving gear 11 is fixedly connected to the first input shaft;
a fourth driven gear 121, a third driving gear 122, a second driving gear 123 and a first driving gear 124 which are fixedly connected with the intermediate shaft 12 are sequentially arranged on the intermediate shaft 12 from the input end to the output end;
the first output shaft 13 is provided with a second synchronizer 14, a third driven gear 16, a second driven gear 17, a first synchronizer 15 and a first driven gear 18 in sequence from the input end to the output end, the first driven gear 18, the second driven gear 17 and the third driven gear 16 are sleeved on the intermediate shaft 12 in an empty mode, and the first synchronizer 15 and the second synchronizer 14 are connected on the intermediate shaft 12 in a sliding mode;
the fourth driving gear 11 is meshed with the fourth driven gear 121, and the first driving gear 124, the second driving gear 123 and the third driving gear 122 are respectively meshed with the first driven gear 18, the second driven gear 17 and the third driven gear 16;
the first driven gear 18 and the second driven gear 17 are respectively provided with a first combination tooth and a second combination tooth; the first synchronizer 15 is further provided with a fifth combination tooth and a sixth combination tooth, and when the first synchronizer 15 slides to one side of the first driven gear 18, the first combination tooth is matched with the fifth combination tooth, so that the first driven gear 18 rotates along with the first output shaft 13; when the first synchronizer 15 slides to one side of the second driven gear 17, the second combining teeth are matched with the sixth combining teeth, so that the second driven gear 17 rotates along with the first output shaft 13;
the third driven gear 16 and the fourth driving gear 11 are respectively provided with a third combining tooth and a fourth combining tooth which can be matched with the second synchronizer 14, the second synchronizer 14 is also provided with a seventh combining tooth and an eighth combining tooth, and when the second synchronizer 14 slides to one side of the third driven gear 16, the third combining tooth is matched with the seventh combining tooth, so that the third driven gear 16 rotates along with the first output shaft 13; when the second synchronizer 14 slides to one side of the fourth driving gear 11, the fourth combining tooth is matched with the eighth combining tooth, so that the fourth main gear rotates along with the first output shaft 13, and power is directly output to the first output shaft 13 from the first input shaft.
As shown in fig. 1-3, in the first and second embodiments, the transmission shafting arrangements of the double-intermediate-shaft gearbox are the same, two intermediate shafts 12 are respectively arranged on two sides of a first output shaft 13 in parallel, and the first input shaft is driven by the two intermediate shafts 12 and the first output shaft 13 through four gear pairs, so that four-gear four-speed transmission is provided for the double-intermediate-shaft gearbox. The first driven gear 18, the second driven gear 17 and the third driven gear 16 with the combination teeth are all rotationally sleeved on the first output shaft 13, so that the structure in the gearbox is more compact, and the space utilization rate of the gearbox is improved.
Preferably, the first synchronizer 15, the second synchronizer 14 and the first output shaft 13 can be connected by adopting a sliding sleeve structure, and the speed regulation of the motor 5 is used for synchronization, so that the reliability is improved, and the cost is reduced. Of course, the first synchronizer 15 and the second synchronizer 14 may be connected with the first output shaft 13 by a spline.
Preferably, the fourth driven gear 121 and the third driving gear 122 and the intermediate shaft 12 may be connected by any one of a cylindrical pin, a square key, and a spline; of course, the fourth driven gear 121 and the third driving gear 122 may also be in interference connection with the intermediate shaft 12.
Preferably, for convenience of processing and manufacturing, the first driving gear 124 and the second driving gear 123 may be provided with the intermediate shaft 12 as an integral shaft tooth structure.
Preferably, to achieve a single or double power take-off arrangement, the stub shafts of at least one intermediate shaft 12 can be splined to the single or double power take-off.
Example 1
As shown in fig. 1-2, in this embodiment, a planetary gear pair reduction gearbox 1 is disposed at the front end of a double-countershaft gearbox 2, a double-countershaft electric drive shafting arrangement structure with a countershaft has four forward gears, and a first synchronizer 15 and a second synchronizer 14 slide to two sides respectively to realize switching of the four gears; the power transmission path of the R range is the same as that of the first range, and is realized by reversing the motor 5.
The shift process is as follows:
gear 1: the second synchronizer 14 moves rightward, the seventh coupling tooth of the second synchronizer 14 mates with the third coupling tooth of the third driven gear 16, and the power transmission path is: the motor 5, the motor output shaft 6, the sun gear 7, the planet gears 8, the planet carrier 10, the second output shaft 101, the fourth driving gear 11, the fourth driven gear 121, the intermediate shaft 12, the third driving gear 122, the third driven gear 16, the second synchronizer 14 and the first output shaft 13; at this time, the first output shaft 13 outputs a first gear rotational speed;
gear 2: the second synchronizer 14 moves left, the eighth coupling tooth of the second synchronizer 14 is engaged with the fourth coupling tooth of the fourth driving gear 11, and the power transmission path is: the motor 5, the motor output shaft 6, the sun gear 7, the planet gears 8, the planet carrier 10, the second output shaft 101, the fourth driving gear 11, the second synchronizer 14 and the first output shaft 13; at this time, the first output shaft 13 outputs a second gear rotation speed;
3 rd gear: the first synchronizer 15 moves rightward, the fifth coupling tooth of the first synchronizer 15 is engaged with the first coupling tooth of the first driven gear 18, and the power transmission path is: the motor 5, the motor output shaft 6, the sun gear 7, the planet gears 8, the planet carrier 10, the second output shaft 101, the fourth driving gear 11, the fourth driven gear 121, the intermediate shaft 12, the first driving gear 124, the first driven gear 18, the first synchronizer 15 and the first output shaft 13; at this time, the first output shaft 13 outputs a three-gear rotation speed;
4 th gear: the first synchronizer 15 moves left, the sixth coupling tooth of the first synchronizer 15 is engaged with the second coupling tooth of the second driven gear 17, and the power transmission path is: the motor 5, the motor output shaft 6, the second output shaft 101, the fourth driving gear 11, the fourth driven gear 121, the intermediate shaft 12, the second driving gear 123, the second driven gear 17, the first synchronizer 15 and the first output shaft 13; at this time, the first output shaft 13 outputs a fourth gear rotational speed;
r gear: the second synchronizer 14 moves right, the power transmission path is the same as that of the first gear, and the R gear is realized by reversing the motor 5.
The above gear sequence can be adjusted according to the actual situation.
The power transmission paths for each gear are summarized in the following table:
| 1 gear | 2 gear | 3 gear | 4 th gear | R gear | |
| Second synchronizer | Right side | Left side | Right side | ||
| First synchronizer | Right side | Left side |
Example two
As shown in fig. 3, in the case where the planetary gear pair reduction box 4 is disposed at the rear end of the double intermediate shaft transmission box 3, the difference from the first embodiment is that the first output shaft 13 is connected to the second input shaft, and the first input shaft is connected to the motor 5. That is, the power of the motor 5 is firstly changed in speed through the double-intermediate-shaft gearbox 3 and then is reduced in speed through the planetary gear pair gearbox 4, and the gear shifting process is the same as that of the first embodiment.
The utility model also provides an engineering vehicle, which comprises a double-intermediate-shaft electric drive shafting arrangement structure with the auxiliary box.
According to the engineering vehicle, by adopting the double-intermediate-shaft electric drive shafting arrangement structure with the auxiliary box, complete vehicle matching is facilitated, more space-arranged batteries are reserved, and the endurance mileage is improved.
The basic principles of the present utility model have been described above in connection with specific embodiments, however, it should be noted that the advantages, benefits, effects, etc. mentioned in the present utility model are merely examples and not intended to be limiting, and these advantages, benefits, effects, etc. are not to be considered as essential to the various embodiments of the present utility model. Furthermore, the specific details disclosed herein are for purposes of illustration and understanding only, and are not intended to be limiting, as the utility model is not necessarily limited to practice with the above described specific details.
The block diagrams of the devices, apparatuses, devices, systems referred to in the present utility model are only illustrative examples and are not intended to require or imply that the connections, arrangements, configurations must be made in the manner shown in the block diagrams. As will be appreciated by one of skill in the art, the devices, apparatuses, devices, systems may be connected, arranged, configured in any manner. Words such as "including," "comprising," "having," and the like are words of openness and mean "including but not limited to," and are used interchangeably therewith. The words "or" and "as used herein refer to the word" or "and are used interchangeably herein unless the context clearly indicates otherwise. The term "such as" as used herein refers to, and is used interchangeably with, the phrase "such as, but not limited to.
It is also noted that in the apparatus, devices and methods of the present utility model, the components or steps may be separated or recombined. These decompositions or recombinations should be regarded as equivalents of the present utility model.
The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the utility model. Thus, the present utility model is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
It should be understood that the terms "first", "second", "third", "fourth", "fifth" and "sixth" used in the description of the embodiments of the present utility model are used for more clearly describing the technical solutions, and are not intended to limit the scope of the present utility model.
The foregoing description has been presented for purposes of illustration and description. Furthermore, this description is not intended to limit embodiments of the utility model to the form disclosed herein. Although a number of example aspects and embodiments have been discussed above, a person of ordinary skill in the art will recognize certain variations, modifications, alterations, additions, and subcombinations thereof.
Claims (10)
1. A dual intermediate shaft electric drive shafting arrangement structure with a secondary box, comprising:
a double intermediate shaft gearbox and a planetary gear pair gearbox;
the double-intermediate-shaft gearbox comprises a first input shaft and a first output shaft, the planetary gear pair gearbox comprises a second input shaft and a second output shaft, and the second output shaft is connected with the first input shaft or the first output shaft is connected with the second input shaft; the first input shaft and the first output shaft are coaxially arranged, and the second input shaft and the second output shaft are coaxially arranged.
2. The double intermediate shaft electric drive shafting arrangement structure with the auxiliary box according to claim 1, wherein the planetary gear pair reduction box comprises a sun gear, a planet carrier and a gear ring, and the gear ring is fixedly connected with a shell of the planetary gear pair reduction box; the sun gear is fixedly arranged on the second input shaft, and the second output shaft is fixedly connected with the planet carrier.
3. The twin jackshaft electric drive shafting arrangement with auxiliary box of claim 1, wherein the second output shaft is connected to the first input shaft, the second input shaft being of unitary construction with the motor output shaft; or the first output shaft is connected with the second input shaft, and the first input shaft and the motor output shaft are of an integrated structure.
4. The twin jackshaft electric drive shafting arrangement with auxiliary box of claim 1, wherein the second output shaft is of unitary construction with the first input shaft; or, the first output shaft and the second input shaft are of an integrated structure.
5. The twin countershaft electric drive shafting arrangement with auxiliary box according to claim 1, wherein the twin countershaft transmission further comprises at least two countershafts arranged in parallel on either side of the first output shaft;
a fourth driving gear is fixedly connected to the first input shaft;
a fourth driven gear, a third driving gear, a second driving gear and a first driving gear which are fixedly connected with the intermediate shaft are sequentially arranged on the intermediate shaft from the input end to the output end;
the first output shaft is sequentially provided with a second synchronizer, a third driven gear, a second driven gear, a first synchronizer and a first driven gear from the input end to the output end, the first driven gear, the second driven gear and the third driven gear are sleeved on the intermediate shaft in a hollow manner, and the first synchronizer and the second synchronizer are connected to the intermediate shaft in a sliding manner;
the first driving gear, the second driving gear and the third driving gear are respectively meshed with the first driven gear, the second driven gear and the third driven gear;
the first driven gear and the second driven gear are respectively provided with a first combining tooth and a second combining tooth which can be matched with the first synchronizer; and a third combining tooth and a fourth combining tooth which can be matched with the second synchronizer are respectively arranged on the third driven gear and the fourth driving gear.
6. The twin jackshaft electric drive shafting arrangement with a secondary box of claim 5, wherein the first and second synchronizers are connected to the first output shaft by a sliding sleeve or spline.
7. The twin jackshaft electric drive shafting arrangement with a secondary box of claim 5, wherein the fourth driven gear and the third drive gear are connected with the jackshaft by any one of a cylindrical pin, a square key, a spline, or the fourth driven gear and the third drive gear are in interference connection with the jackshaft.
8. The electrical drive shafting arrangement of a double countershaft with a countershaft according to claim 5, wherein said first and second drive gears are each provided in an integral shaft tooth arrangement with said countershaft.
9. The electric drive shafting arrangement with double countershafts of claim 5, wherein the stub shafts of at least one of the countershafts can be splined to a single power take-off or a double power take-off.
10. An engineering vehicle comprising a double intermediate shaft electric drive shafting arrangement with a secondary box according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320840579.7U CN219706688U (en) | 2023-04-14 | 2023-04-14 | Double-intermediate-shaft electric drive shafting arrangement structure with auxiliary box and engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320840579.7U CN219706688U (en) | 2023-04-14 | 2023-04-14 | Double-intermediate-shaft electric drive shafting arrangement structure with auxiliary box and engineering vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219706688U true CN219706688U (en) | 2023-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320840579.7U Active CN219706688U (en) | 2023-04-14 | 2023-04-14 | Double-intermediate-shaft electric drive shafting arrangement structure with auxiliary box and engineering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219706688U (en) |
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2023
- 2023-04-14 CN CN202320840579.7U patent/CN219706688U/en active Active
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