CN213879546U - Test transmission device for hybrid power transmission - Google Patents
Test transmission device for hybrid power transmission Download PDFInfo
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- CN213879546U CN213879546U CN202023342570.9U CN202023342570U CN213879546U CN 213879546 U CN213879546 U CN 213879546U CN 202023342570 U CN202023342570 U CN 202023342570U CN 213879546 U CN213879546 U CN 213879546U
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Abstract
The utility model belongs to the technical field of testing of transmission mechanisms, in particular to a test transmission device for a hybrid transmission, which comprises a main mounting bracket and a transmission case, wherein the main mounting bracket is rotatably connected with an engine end input flange, the engine end input flange is coaxially provided with a first spline groove matched with a spline on a transmission input shaft, and one side of the main mounting bracket facing the transmission is connected with a stop disc; the transmission case includes input shaft and output shaft, and the input shaft tip is equipped with drive motor end input flange, installs input gear on the input shaft, installs the output gear with input gear linkage on the output shaft, and the output shaft is the hollow shaft, and the output shaft is equipped with the external splines towards the one end of derailleur, and the output shaft is kept away from the one end of derailleur and is equipped with the output flange. The indoor test requirements of the hybrid power transmission under the working conditions of engine driving, pure electric driving and hybrid power driving are met.
Description
Technical Field
The utility model belongs to the technical field of drive mechanism's test, concretely relates to hybrid transmission is with experimental transmission.
Background
The hybrid power transmission of the commercial vehicle requires a motor peak load or overload test in the engine end input (front end), the generator output, the main drive motor input (rear end) and the fatigue life test specification due to the complex structure, and the front end adopts a planetary gear train and the rear end main drive motor adopts a hollow shaft motor, so that the fatigue endurance test and the static torque test cannot be carried out by adopting a self-contained motor. Therefore, a test transmission device for a hybrid transmission is needed to meet the indoor test requirements under various working conditions.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hybrid transmission is with experimental transmission to satisfy the indoor test demand of hybrid transmission under engine drive, pure electric drive and hybrid drive operating mode condition.
In order to achieve the above purpose, the utility model discloses a scheme does: a test transmission device for a hybrid transmission comprises a main mounting bracket and a transmission case, wherein the main mounting bracket is rotatably connected with an engine end input flange, the engine end input flange is coaxially provided with a first spline groove matched with a spline on a transmission input shaft, and one side of the main mounting bracket, which faces to the transmission, is connected with a stop disc;
the transmission case includes input shaft and output shaft, and the input shaft tip is equipped with drive motor end input flange, installs input gear on the input shaft, installs the output gear with input gear linkage on the output shaft, and the output shaft is the hollow shaft, and the one end that the output shaft faced the derailleur is equipped with the spline, and the one end that the output shaft kept away from the derailleur is equipped with the output flange.
The working principle and the beneficial effects of the scheme are as follows: the output flange is connected with a loading motor. Before the engine driving mode test, the transmission input shaft is inserted into the engine end input flange and is in spline connection with the engine end input flange, and the stop disc is connected into the planetary gear train at the front end of the transmission to stop the sun gear. The output shaft of the speed changer passes through the output shaft of the transmission case to be connected with the output flange. After the engine end input flange is connected with the upper driving motor, the driving motor is started, power passes through the driving motor → the engine end input flange → the transmission input shaft → the transmission internal transmission mechanism → the transmission output shaft → the output flange → the loading motor, and the output electric signal of the loading motor is measured, so that the test result in the engine driving mode can be measured.
Before the pure electric drive mode test, the installation modes of the transmission output shaft and the loading motor in the engine drive mode test are the same, and the difference is that the driving motor is installed on the driving motor end input flange of the input shaft of the transmission case. After the driving motor is started, power passes through the driving motor → the input flange of the driving motor → the input gear → the output shaft of the transmission case → the transmission mechanism inside the transmission → the output shaft of the transmission → the output flange → the loading motor, and the output electric signal of the loading motor is measured, so that the test result in the pure electric driving mode can be measured.
In the hybrid power driving mode test, on the basis of the engine driving mode test, the other driving motor is arranged on the driving motor end input flange of the input shaft of the transmission case.
The test transmission device for the hybrid power transmission can be driven and loaded by using a driving motor and a loading motor of a traditional electric closed test bed, is convenient to input and output connection, does not need to change a connection structure of the electric closed test bed, and does not need to specially manufacture a large motor with a hollow shaft.
Optionally, a connecting seat is installed on one side of the main mounting bracket facing the transmission, the connecting seat is fixed to the main mounting bracket through a screw, a transition disc is connected to the connecting seat through a screw, and a stop disc is connected to the transition disc through a screw. For the transmission with the overlong input shaft, the connecting seat can be adopted to support the input shaft, so that the connection rigidity is improved. The transition disc is to facilitate the mounting of the stopper disc.
Optionally, both ends of the input shaft of the transmission case are provided with driving motor end input flanges. The two ends of the input shaft can be alternatively connected with the driving motor, so that the driving motor can be selected to change the connection position under the condition of limited test space.
Optionally, an intermediate shaft is further disposed between the input shaft and the output shaft of the transmission case, and an intermediate gear is mounted on the intermediate shaft and is meshed with the input gear and the output gear respectively. The transmission distance or the speed change is increased through the intermediate shaft.
Optionally, the output flange is provided with a second splined recess for mating with a spline on the transmission output shaft.
Optionally, a bearing seat is installed on the main mounting bracket, a deep groove ball bearing is installed in the bearing seat, an input flange at the end of the engine is sleeved in an inner ring of the deep groove ball bearing, a shoulder is arranged on the outer side of the bearing seat, and a plurality of adjusting rings are arranged between the shoulder and the outer side surface of the main mounting bracket. The input flange at the end of the engine and the input shaft of the transmission rotate more smoothly through the deep groove ball bearing. The length of the splined connection between the engine end input flange and the transmission input shaft is adjusted by the adjusting ring.
Optionally, the output shaft of the transmission case is in clearance fit with the output shaft of the transmission, and the clearance is 0.5 mm-1 mm.
Alternatively, the two ends of the input shaft, the intermediate shaft and the output shaft of the transmission case are supported on the case body of the transmission case through bevel gears.
Drawings
Fig. 1 is a top view of an embodiment of the present invention;
fig. 2 is a side view of an embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
the reference numbers in the drawings of the specification include: the device comprises a main mounting bracket 1, an engine end input flange 2, a connecting seat 3, a transition disc 4, a stop disc 5, a bearing seat 6, a deep groove ball bearing 7, an adjusting ring 8, a transmission 9, a transmission input shaft 901, a transmission output shaft 902, a transmission case 10, a driving motor end input flange 11, an intermediate shaft 12, an output flange 13 and a hollow shaft 14.
Examples
The embodiment is basically as shown in fig. 1 and fig. 2: a test transmission device for a hybrid power transmission comprises a main mounting bracket 1 and a transmission case 10, wherein an engine end input flange 2 is rotatably connected to the main mounting bracket 1, a first piece spline groove matched with a spline on a transmission input shaft 901 is coaxially arranged on the engine end input flange 2, a connecting seat 3 is arranged on one side of the main mounting bracket 1 facing a transmission 9, the connecting seat 3 is fixed with the main mounting bracket 1 through a screw, a transition disc 4 is connected to the connecting seat 3 through a screw, and a stop disc 5 is connected to the transition disc 4 through a screw; a bearing seat 6 is installed on the main mounting support 1, a deep groove ball bearing 7 is installed in the bearing seat 6, an input flange 2 at the end of an engine is sleeved in an inner ring of the deep groove ball bearing 7, a convex shoulder is arranged on the outer side of the bearing seat 6, and a plurality of adjusting rings 8 are arranged between the convex shoulder and the outer side face of the main mounting support 1.
The transmission case 10 includes input shaft and output shaft, the input shaft both ends are equipped with driving motor end input flange 11, install input gear on the input shaft, install output gear on the output shaft, still be equipped with jackshaft 12 between input shaft and the output shaft, install intermediate gear on the jackshaft 12, intermediate gear meshes with input gear and output gear respectively, the output shaft is hollow shaft 14, form 0.5mm wide clearance between the output shaft of transmission case 10 and the derailleur output shaft 902, the output shaft is equipped with the external splines towards the one end of derailleur 9, the one end that the derailleur 9 was kept away from to the output shaft is equipped with output flange 13, output flange 13 is equipped with the second splined key groove with spline matched with on the derailleur output shaft 902.
Both ends of the input shaft, the intermediate shaft 12 and the output shaft of the transmission case 10 are supported on the case body of the transmission case 10 through bevel gears.
The specific implementation process comprises the following steps:
the output flange 13 is connected with a loading motor.
Before the engine drive mode test, the transmission input shaft 901 is inserted into the engine-side input flange 2 and spline-connected to the engine-side input flange 2, and the locking disk 5 is connected to the planetary gear train at the front end of the transmission 9 to lock the sun gear. The transmission output shaft 902 is splined to the output flange 13 through the output shaft of the transmission case 10. By increasing or decreasing the number of the adjustment rings 8, the adjustment rings 8 adjust the length of the splined connection of the engine-end input flange 2 and the transmission input shaft 901. After the engine end input flange 2 is connected with the upper driving motor, the driving motor is started, power passes through the driving motor → the engine end input flange 2 → the transmission input shaft 901 → the transmission 9 internal transmission mechanism → the transmission output shaft 902 → the output flange 13 → the loading motor, and the output electric signal of the loading motor is measured, so that the test result under the engine driving mode can be measured.
Before the pure electric drive mode test, the transmission output shaft 902 and the loading motor are installed in the same manner as in the engine drive mode test, except that the driving motor is installed on the driving motor end input flange 11 of the input shaft of the transmission case 10. After the driving motor is started, power passes through the driving motor → the input flange of the driving motor → the input gear → the output shaft of the transmission case 10 → the internal transmission mechanism of the hybrid transmission 9 → the transmission output shaft 902 → the output flange 13 → the loading motor, and the output electric signal of the loading motor is measured, so that the test result in the pure electric driving mode can be measured.
In the hybrid driving mode test, on the basis of the engine driving mode test, another driving motor is mounted on the driving motor end input flange 11 of the input shaft of the transmission case 10.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be pointed out that to those skilled in the art, without departing from the structure of the present invention, a plurality of modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the utility of the present invention. The descriptions in the embodiments and the like in the specification can be used to explain the contents of the claims.
Claims (8)
1. A test transmission device for a hybrid transmission is characterized in that: the transmission device comprises a main mounting bracket and a transmission case, wherein an engine end input flange is rotatably connected to the main mounting bracket, a first spline groove matched with a spline on a transmission input shaft is coaxially arranged on the engine end input flange, and a stop disc is connected to one side, facing the transmission, of the main mounting bracket;
the transmission case includes input shaft and output shaft, and the input shaft tip is equipped with drive motor end input flange, installs input gear on the input shaft, installs the output gear with input gear linkage on the output shaft, and the output shaft is the hollow shaft, and the output shaft is equipped with the external splines towards the one end of derailleur, and the output shaft is kept away from the one end of derailleur and is equipped with the output flange.
2. The test transmission for a hybrid transmission of claim 1, wherein: the connecting seat is installed on one side of the main mounting bracket facing the speed changer, the connecting seat is fixed with the main mounting bracket through a screw, a transition disc is connected onto the connecting seat through a screw, and the stop disc is connected onto the transition disc through a screw.
3. The test transmission for a hybrid transmission of claim 2, wherein: and both ends of an input shaft of the transmission case are provided with driving motor end input flanges.
4. A test transmission for a hybrid transmission according to claim 3, wherein: an intermediate shaft is further arranged between the input shaft and the output shaft of the transmission case, an intermediate gear is mounted on the intermediate shaft, and the intermediate gear is meshed with the input gear and the output gear respectively.
5. The test transmission for a hybrid transmission of claim 4, wherein: the output flange is provided with a second spline groove matched with a spline on the output shaft of the transmission.
6. The test transmission for a hybrid transmission of claim 5, wherein: the main mounting bracket is provided with a bearing seat, a deep groove ball bearing is arranged in the bearing seat, an input flange at the end of an engine is sleeved in an inner ring of the deep groove ball bearing, a convex shoulder is arranged on the outer side of the bearing seat, and a plurality of adjusting rings are arranged between the convex shoulder and the outer side surface of the main mounting bracket.
7. The test transmission for a hybrid transmission of claim 6, wherein: the output shaft of the transmission case is in clearance fit with the output shaft of the transmission, and the clearance is 0.5 mm-1 mm.
8. The test transmission for a hybrid transmission of claim 7, wherein: the two ends of the input shaft, the intermediate shaft and the output shaft of the transmission case are supported on the case body of the transmission case through conical gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023342570.9U CN213879546U (en) | 2020-12-31 | 2020-12-31 | Test transmission device for hybrid power transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023342570.9U CN213879546U (en) | 2020-12-31 | 2020-12-31 | Test transmission device for hybrid power transmission |
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| Publication Number | Publication Date |
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| CN213879546U true CN213879546U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023342570.9U Active CN213879546U (en) | 2020-12-31 | 2020-12-31 | Test transmission device for hybrid power transmission |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112383A (en) * | 2021-10-19 | 2022-03-01 | 重庆青山工业有限责任公司 | Static torsion strength test bench for speed changer |
-
2020
- 2020-12-31 CN CN202023342570.9U patent/CN213879546U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112383A (en) * | 2021-10-19 | 2022-03-01 | 重庆青山工业有限责任公司 | Static torsion strength test bench for speed changer |
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