CN109738182B - Multi-model differential mechanism test fixing box - Google Patents
Multi-model differential mechanism test fixing box Download PDFInfo
- Publication number
- CN109738182B CN109738182B CN201910056862.9A CN201910056862A CN109738182B CN 109738182 B CN109738182 B CN 109738182B CN 201910056862 A CN201910056862 A CN 201910056862A CN 109738182 B CN109738182 B CN 109738182B
- Authority
- CN
- China
- Prior art keywords
- test
- shaft
- differential
- input
- box body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 176
- 230000007246 mechanism Effects 0.000 title claims abstract description 56
- 230000002093 peripheral effect Effects 0.000 claims description 19
- 238000003825 pressing Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 9
- 238000013461 design Methods 0.000 abstract description 6
- 238000011056 performance test Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007659 motor function Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Retarders (AREA)
Abstract
The invention discloses a multi-number differential mechanism test fixing box, which comprises a test fixing box body; a test box cover is arranged at the top of the test fixed box body; an input shaft which is longitudinally distributed is pivoted between the left end of the front side and the left end of the rear side of the test fixing box body; an input gear (4) is sleeved on the outer wall of the input shaft; the right end of the front side of the test fixing box body is pivoted with a first output half shaft, and the right end of the rear side of the test fixing box body is pivoted with a second output half shaft; the rear end of the first output half shaft is connected with a differential output half shaft at the front end of a main shell of the differential to be tested; the front end of the second output half shaft is connected with the differential output half shaft at the rear end of the main shell of the differential; the input gear is connected with the differential mechanism (100) in a linkage way. The multi-model differential mechanism test box disclosed by the invention has scientific and reasonable structural design, can meet the fixing requirements of various models of differential mechanisms in performance test, and has strong practicability.
Description
Technical Field
The invention relates to the technical field of differential testing, in particular to a multi-model differential testing fixing box.
Background
Currently, automotive differentials function as important components for coordinating the rotational speed of the wheels on both sides of a vehicle. The automobile differential is a mechanism capable of enabling left and right (or front and rear) driving wheels of an automobile to rotate at different rotational speeds.
As a technical product, various performance indexes of the differential mechanism are closely related to various links of production design, and are inseparable from final various performance tests of the product, and a new differential mechanism needs to be subjected to various tests in a research and development stage before use so as to ensure the requirements of drivers on the performance and safety of automobiles.
In order to ensure the working performance of the developed differential, the differential needs to be tested. In the test, it is necessary to fix the differential in a case in advance, simulate the operating state of the differential in the vehicle in the case, and then perform corresponding performance tests (including, for example, a torque ratio difference test, a rotational speed test, a durability test, etc.) on the differential through various external specific test devices (for example, a torque sensor, a driving motor, a loading motor, etc.).
However, the existing differential testing and fixing box can only be used for fixing the differential before performance testing of a specific model, and if multiple models of differential are required to be tested, multiple models of differential testing and fixing boxes are required to be purchased correspondingly. Therefore, the testing cost of the differential mechanism is obviously increased, inconvenience is brought to the testing work of users, the practicability is poor, and the performance testing requirements of the differential mechanism with various models cannot be met.
Therefore, the development of a differential mechanism test fixing box is urgently needed at present, the structural design of the differential mechanism test fixing box is scientific and reasonable, the fixing requirement of various types of differential mechanisms can be met during performance test, and the practicability is high.
Disclosure of Invention
Therefore, the invention aims to provide the multi-model differential mechanism test fixing box which is scientific and reasonable in structural design, can meet the fixing requirements of various models of differential mechanisms in performance test, is high in practicability and has great production practice significance.
Therefore, the invention provides a multi-model differential mechanism test fixing box, which comprises a hollow test fixing box body with an open top;
a test box cover is arranged at the top of the test fixed box body;
an input shaft which is longitudinally distributed is pivoted between the left end of the front side and the left end of the rear side of the test fixing box body;
an input gear is sleeved on the outer wall of the input shaft;
the right end of the front side of the test fixing box body is pivoted with a first output half shaft, and the right end of the rear side of the test fixing box body is pivoted with a second output half shaft;
The rear end of the first output half shaft is connected with a differential output half shaft at the front end of a main shell of the differential to be tested;
The front end of the second output half shaft is connected with the differential output half shaft at the rear end of the main shell of the differential;
the input gear is connected with the differential mechanism in a linkage way.
The front left end and the rear left end of the test fixing box body are respectively provided with a first tapered roller bearing and a second tapered roller bearing;
the front end and the rear end of the input shaft are respectively fixedly connected with the inner ring of the first tapered roller bearing and the inner ring of the second tapered roller bearing.
The front side of the first tapered roller bearing is provided with a first input end cover;
the first input end cover is fixedly connected with the left end of the front side of the test fixing box body through a plurality of second bolts.
An input shaft spacer is arranged between the input gear and the first tapered roller bearing;
the input shaft spacer sleeve is sleeved on the shaft shoulder of the input shaft and is used for axially fixing the input gear.
The rear end of the input shaft protrudes out of the peripheral outer wall of the part of the second tapered roller bearing, and is fixedly connected with an input flange;
The second input end cover is sleeved on the peripheral outer wall of the front end of the input flange;
The second input end cover is fixedly connected with the left end of the rear side of the test fixing box body through a plurality of bolts;
The rear side of the second tapered roller bearing is provided with a second input end cover;
the second input end cover penetrates through the rear end of the input shaft;
a first lip-type sealing ring is arranged between the input flange and the second input end cover.
The rear side surface of the input flange is attached with a first pressing plate;
The first pressing plate is fixedly connected with the rear side surface of the input flange through a first bolt;
The input flange is connected with an input shaft of an external driving motor.
Wherein the differential mechanism is positioned in a differential mechanism supporting seat which is horizontally penetrated front and back;
The differential mechanism is fixedly connected with the differential mechanism supporting seat;
The outer walls of the periphery of the differential mechanism supporting seat are fixedly connected with the front end of a hollow test gear;
the rear end of the test gear is fixedly connected with a test gear supporting seat;
The inner side of the test gear supporting seat is arranged on a test shaft bearing seat through a cylindrical roller bearing;
The second output half shaft penetrates through the test shaft bearing seat;
an annular first elastic retainer ring is arranged between the outer wall of the front end of the test shaft bearing seat and the cylindrical roller bearing.
The differential mechanism is provided with a main shell, and a third tapered roller bearing is sleeved at the front end of the main shell and fixedly positioned in a test shaft supporting seat;
The rear end of the main shell of the differential mechanism is sleeved with a fourth tapered roller bearing, and the fourth tapered roller bearing is positioned in the bearing seat of the test shaft;
A pair of first deep groove ball bearings are sleeved on the outer walls around the first output half shaft;
A pair of first deep groove ball bearings are positioned on the test shaft supporting seat;
a pair of second deep groove ball bearings are sleeved on the peripheral outer walls of the second output half shaft;
a pair of second deep groove ball bearings are located in the test shaft bearing housing.
The front end of the first output half shaft protrudes out of the peripheral outer walls of the parts of the pair of first deep groove ball bearings, and is fixedly connected with a first output flange;
the rear end of the second output half shaft protrudes out of the peripheral outer wall of the part of the second deep groove ball bearing and is fixedly connected with a second output flange;
the front surface of the first output flange is provided with a second pressing plate in a fitting way;
The second pressing plate is fixedly connected with the front surface of the first output flange through a sixth bolt;
An outer cover is arranged at the opening of the right end of the front side of the test fixing box body;
the outer cover is fixedly connected with the right end of the front side of the test fixing box body;
The test shaft supporting seat is fixedly connected with the outer cover;
an O-shaped second sealing ring is arranged between the test shaft supporting seat and the outer cover in a fixed connection manner;
And an O-shaped third sealing ring is arranged between the outer cover and the front side surface of the test fixing box body.
The annular third elastic retainer ring is arranged between the inner ring of the second deep groove ball bearing and the peripheral outer wall of the second output half shaft;
An annular second elastic retainer ring is arranged between the outer ring of the second deep groove ball bearing and the test shaft bearing seat;
The rear side of the second deep groove ball bearing is provided with an annular shaft stop.
Compared with the prior art, the technical scheme provided by the invention provides the multi-type differential mechanism testing and fixing box which is scientific and reasonable in structural design, can meet the fixing requirements of various types of differential mechanisms in performance testing, is high in practicability and has great production practice significance.
Drawings
FIG. 1 is a front view of a multi-format differential test fixture case provided by the present invention;
FIG. 2 is a cross-sectional view of a multi-format differential test fixture box provided by the present invention when the differential of the first embodiment is connected and secured;
fig. 3 is a cross-sectional view of a multi-type differential test fixture box according to the present invention when the differential of the second embodiment is connected and fixed.
Detailed Description
In order to better understand the aspects of the present invention, the present invention will be described in further detail with reference to the drawings and embodiments.
Referring to fig. 1 to 3, the present invention provides a multi-type differential test fixture box, comprising a hollow test fixture box body 3 with an open top;
a test box cover 34 is arranged at the top of the test fixed box body 3;
An input shaft 7 longitudinally distributed is pivoted between the front left end and the rear left end of the test fixing box body 3, that is, the input shaft 7 can rotate clockwise or anticlockwise at the left end of the test fixing box body 3;
An input gear 4 is sleeved on the outer wall of the input shaft 7;
the front right end of the test fixing box body 3 is pivoted with a first output half shaft 271, and the rear right end of the test fixing box body 3 is pivoted with a second output half shaft 272;
the rear end of the first output half shaft 271 is connected (via a spline connection) with the differential output half shaft 102 at the front end of the main casing 101 that the differential 100 to be tested has;
The front end of the second output half shaft 272 is connected (by spline connection) with the differential output half shaft 102 at the rear end of the main casing 101 provided with the differential 100;
the input gear 4 is connected with the differential mechanism 100 in a linkage way.
In the invention, a first tapered roller bearing 201 and a second tapered roller bearing 202 are respectively arranged at the left front end and the left rear end of the test fixing box 3;
The front and rear ends of the input shaft 7 are fixedly connected with the inner ring of the first tapered roller bearing 201 and the inner ring of the second tapered roller bearing 202, respectively.
Therefore, the front and rear ends of the input shaft 7 can be freely rotated by 360 ° with the support of the first tapered roller bearing 201 and the second tapered roller bearing 202.
In particular, a first input end cover 6 is arranged on the front side of the first tapered roller bearing 201;
the first input end cover 6 is fixedly connected with the left end of the front side of the test fixing box 3 through a plurality of second bolts 5 (not limited to six shown in fig. 1).
Therefore, according to the present invention, the first tapered roller bearing 21 can be fixed in the axial direction by the first input end cover 6.
In particular, an input shaft spacer 8 is disposed between the input gear 4 and the first tapered roller bearing 201;
The input shaft spacer bush 8 is sleeved on the shaft shoulder of the input shaft 7.
Thus, with the present invention, the input gear 4 can be axially positioned by the input shaft spacer 8.
In particular implementation, the rear end of the input shaft 7 protrudes out of the peripheral outer wall of the part of the second tapered roller bearing 202, and is fixedly connected with an input flange 31;
the second input end cover 30 is sleeved on the peripheral outer wall of the front end of the input flange 31;
the second input end cover 30 is fixedly connected with the left end of the rear side of the test fixing box 3 through a plurality of bolts.
The rear side of the second tapered roller bearing 202 is provided with a second input end cap 30;
the second input end cover 30 penetrates through the rear end of the input shaft 7;
In particular, a first lip-type sealing ring 1 is disposed between the input flange 31 and the second input end cover 30.
Therefore, according to the present invention, the second tapered roller bearing 202 can be fixed and sealed in the axial direction by the input flange 31 and the first seal ring 1.
In particular, a first pressing plate 44 is attached to the rear side surface of the input flange 31;
the first pressing plate 44 is fixedly connected with the rear side surface of the input flange 31 through a first bolt 45.
In particular, the input flange 31 is connected to an input shaft of an external drive motor.
In the present invention, in order to realize the linkage connection between the differential 100 and the input gear 4, the specific structure is as follows:
the differential 100 is positioned in a differential support seat 20 which is horizontally penetrated front and rear;
The differential 100 is fixedly connected to the differential support 20, for example, in fig. 2, the rear end of the main casing 101 of the differential 100 is fixedly connected to the rear end of the differential support 20 through a main bolt 103, and in fig. 3, for example, the front surface of the main casing 101 of the differential 100 is fixedly connected to the inner side wall of the differential support 20 (also through the main bolt 103);
the peripheral outer wall of the differential support 20 is fixedly connected with the front end of a hollow test gear 21 (for example, by a fourth bolt 19 shown in fig. 2);
The rear end of the test gear 21 is fixedly connected with a test gear support seat 23 (through a second bolt 24 shown in fig. 2);
the inner side of the test gear support seat 23 is mounted on a test shaft bearing seat 26 through a cylindrical roller bearing 25;
the second output half shaft 272 extends through the test shaft bearing housing 26.
In particular, an annular first circlip 22 is arranged between the outer wall of the front end of the test shaft bearing seat 26 and the cylindrical roller bearing 25.
In particular, the differential 100 has a front end of the main casing 101 sleeved with a third tapered roller bearing 203, and the third tapered roller bearing 203 is fixedly located in a test shaft supporting seat 11;
The differential 100 has a main housing 101 with a rear end sleeved with a fourth tapered roller bearing 204, the fourth tapered roller bearing 204 being located in the test shaft bearing housing 26.
In the present invention, regarding the linkage connection between the input gear 4 and the differential 100, the power transmission process between the input gear 4 and the differential 100 is specifically: after the external driving motor rotates, the input shaft 7 is driven to rotate through the input flange 31, the input shaft 7 drives the input gear 4 to rotate, and the input gear 4 is meshed with the test gear 21 so as to drive the test gear 21 to rotate, the front end of the test gear 21 is fixedly provided with the differential supporting seat 20, the differential supporting seat 20 rotates along with the test shaft (namely, the first output half shaft 271 and the second output half shaft 272), the differential supporting seat 20 is fixedly provided with the main shell 101 (namely, the differential shell) of the differential 100, and the differential shell rotates along with the differential supporting seat 20 and the test shaft. The rear end of the test gear 21 is connected with a test gear supporting seat 23 through bolts, and the test gear supporting seat 23 is supported on a test shaft bearing seat 26 through bearings and rotates along with the test gear 21.
In particular, a pair of first deep groove ball bearings 151 are sleeved on the outer walls of the periphery of the first output half shaft 271;
a pair of first deep groove ball bearings 151 are positioned on the test shaft support seat 11;
A pair of second deep groove ball bearings 152 are sleeved on the peripheral outer wall of the second output half shaft 272;
a pair of second deep groove ball bearings 152 are located in the test shaft housing 26.
Thus, for the present invention, the first output half shaft 271 and the second output half shaft 272 are each supported by a pair of deep groove ball bearings.
In particular, the front end of the first output half shaft 271 protrudes from the outer walls of the periphery of the portions of the pair of first deep groove ball bearings 151, and is fixedly connected with a first output flange 281;
The rear end of the second output half shaft 272 protrudes out of the peripheral outer wall of the second deep groove ball bearing 152, and is fixedly connected with a second output flange 282.
In particular, the front surface of the first output flange 281 is provided with a second pressing plate 13 in a lamination manner;
the second pressure plate 13 is fixedly connected to the front face of the first outlet flange 281 by means of sixth bolts 14.
Specifically, the front side of the first deep groove ball bearing 151 is further provided with an exposed framework 12, and the exposed framework 12 is sleeved on the outer wall of the front end of the first output half shaft 271.
In particular implementation, an outer cover 10 is arranged at the opening of the right end of the front side of the test fixing box body 3;
the outer cover 10 is fixedly connected with the right end of the front side of the test fixing box body 3 (for example, through a seventh bolt 9 shown in fig. 2);
the test shaft support seat 11 is fixedly connected with the outer cover 10 (in particular, bolts can be used).
In particular implementation, an O-shaped second sealing ring 17 is arranged between the test shaft supporting seat 11 and the outer cover 10;
an O-shaped third sealing ring 18 is arranged between the outer cover 10 and the front side surface of the test fixing box body 3.
In the present invention, the test shaft bearing seat 26 is fixedly connected to the rear side of the test fixing case 3 (for example, by a fifth bolt 29 shown in fig. 2).
In particular implementation, an annular third circlip 43 is arranged between the inner ring of the second deep groove ball bearing 152 and the peripheral outer wall of the second output half shaft 272;
An annular second circlip 41 is arranged between the outer ring of the second deep groove ball bearing 152 and the test shaft bearing seat 26; the same circlip was also provided on the right side of the front end of the test fixture housing 3.
The rear side of the second deep groove ball bearing 152 is provided with an annular shaft stop 42.
An annular shaft stopper 42 is also provided between the pair of first deep groove ball bearings 151.
For the present invention, the first output half shaft 271 and the second output half shaft 272 are connected at one ends thereof to two external loading motors via the first output flange 281 and the second output flange 282, respectively. The other end is respectively connected with two differential output half shafts 102 arranged at the front end and the rear end of a differential (tested piece) 100 to be tested in a spline mode.
In the present invention, the two external loading motors act as two wheels in the vehicle, and act to load differential output half shafts 102 on both front and rear ends of differential 100 to be tested. The two external loading motors can rotate independently or simultaneously.
In particular, for the first output flange 281 and the second output flange 282 of the present invention, the two flanges are connected to an external loading motor, which plays a role of power transmission. The rotation speed and torque provided by the external loading motor can be transmitted to the first output half shaft 271 and the second output half shaft 272 through the first output flange 281 and the second output flange 282, and then further transmitted to the differential output half shafts 102 at the front and rear ends of the main casing 101 of the differential 100, so that the external loading motor plays a role in loading the differential output half shafts 102.
In the present invention, an external drive motor is used to drive the input shaft 7 through the input flange 31 and, through a series of transmissions, the main housing 101 (i.e., differential case) that the differential 100 has. The external drive motor functions as an engine in the vehicle, and is used to simulate the power output of the engine in the vehicle.
In particular, the input flange 31 is used for being connected with an external driving motor, and the power of the external driving motor is transmitted to the input shaft 7 through the input flange 31;
In particular, the input shaft 7 transmits power to a main casing 101 (i.e., differential case) provided in the differential 100 through the input gear 4;
The two outer ends of the first output half shaft 271 and the second output half shaft 272 are respectively connected with two external loading motors, and the two external loading motors are respectively connected with a first output flange 281 and a second output flange 282 to transmit power; and as previously indicated, the two externally loaded motors correspond to the two wheels in the vehicle, loading both the first output half shaft 271 and the second output half shaft 272.
Therefore, based on the above technical scheme, the multi-type differential testing and fixing box provided by the invention can simulate the working state of the differential in a vehicle in the box, so that people can conveniently perform corresponding performance tests (including torque ratio difference tests, rotation speed tests, durability tests and the like) on the differential through various external specific test devices (such as torque sensors, driving motors, loading motors and the like).
In the present invention, as shown in fig. 3, a first spacer 40 is disposed between the front end of the main casing 101 and the third tapered roller bearing 203 of the differential 100;
a second spacer 39 is provided between the rear end of the main casing 101 and the fourth tapered roller bearing 204 of the differential 100.
The invention also provides a differential mechanism test bed, wherein the test fixing box is a part of the differential mechanism test bed, and the independent test fixing box is used for carrying out test experiments by matching with other components, for example, a series of components such as an external loading motor, an external driving motor, a torque sensor, a bearing seat and the like are specifically required to be matched to be assembled together to form the test bed. During the test, the differential mechanism can be tested according to the requirements of a customer test outline or the national standard and is made according to the standard so as to judge whether the differential mechanism is qualified or not.
When testing the differential, the specific operation can involve operating on a computer, the test fixture of the present invention facilitates the replacement of the differential 100 (i.e., the test piece), and enables the installation and use of multiple types of differentials.
Based on the technical scheme, the multi-type differential mechanism test fixing box provided by the invention can be arranged on a differential mechanism test stand and can be matched with the differential mechanism test stand, and through the use of each device in the differential mechanism test stand, the torque ratio difference test, the rotating speed test, the durability test and the like of the differential mechanism can be realized.
In particular, the multi-type differential testing and fixing box provided by the invention can effectively fix the differential to be tested, and then the tests such as a torque ratio difference test, a rotating speed test, a durability test and the like can be realized through other external driving motors, external loading motors, controllers and the like.
For example, for a torque ratio difference test, the torque transmitted from an external load motor to the differential is tested, the output shaft of the external load motor is connected to the first output flange 281 and the second output flange 282 via torque sensors, and the differential output half shaft 102 at the front and rear ends of the main casing 101 of the differential 100 is tested for a torque ratio difference test by the values obtained from the torque sensors.
The differential gear fixedly mounted in the test fixture box is subjected to such tests as a torque ratio difference test, a rotational speed test, a durability test, etc., and the specific test apparatus and test procedure are conventional differential gear test techniques, and are not described herein.
Based on the above technical scheme, compared with the prior art, the multi-type differential mechanism test fixing box provided by the invention has the following beneficial technical effects:
1. the test fixing box is high in universality, and the fixed mounting requirements of the differential mechanisms in different forms can be met by replacing the differential mechanism support according to different forms of a tested piece (differential mechanism). The mounting of two different types and forms of differentials is shown in fig. 2 and 3.
2. The test fixing box is convenient to assemble and disassemble a tested piece (differential mechanism), and when the tested piece (differential mechanism) is assembled and disassembled, the differential mechanism can be integrally moved out of the test fixing box only by disassembling the connecting bolt (namely, the seventh bolt 9) between the outer cover 10 and the test fixing box body 3 and the connecting bolt (namely, the fourth bolt 19) between the differential mechanism 100 and the differential mechanism supporting seat 20.
In summary, compared with the prior art, the multi-type differential mechanism testing and fixing box provided by the invention has scientific and reasonable structural design, can meet the fixing requirements of various types of differential mechanisms in performance testing, has strong practicability and has great production and practical significance.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (6)
1. The multi-model differential mechanism testing and fixing box is characterized by comprising a hollow testing and fixing box body (3) with an open top;
A test box cover (34) is arranged at the top of the test fixed box body (3);
An input shaft (7) which is longitudinally distributed is pivoted between the left end of the front side and the left end of the rear side of the test fixing box body (3);
an input gear (4) is sleeved on the outer wall of the input shaft (7);
The right end of the front side of the test fixed box body (3) is pivoted with a first output half shaft (271), and the right end of the rear side of the test fixed box body (3) is pivoted with a second output half shaft (272);
the rear end of the first output half shaft (271) is connected with a differential output half shaft (102) at the front end of a main shell (101) of the differential (100) to be tested;
the front end of the second output half shaft (272) is connected with a differential output half shaft (102) at the rear end of a main shell (101) of the differential (100);
The input gear (4) is connected with the differential mechanism (100) in a linkage way;
The front left end and the rear left end of the test fixing box body (3) are respectively provided with a first tapered roller bearing (201) and a second tapered roller bearing (202);
the front end and the rear end of the input shaft (7) are respectively fixedly connected with the inner ring of the first tapered roller bearing (201) and the inner ring of the second tapered roller bearing (202);
the front side of the first tapered roller bearing (201) is provided with a first input end cover (6);
The first input end cover (6) is fixedly connected with the left end of the front side of the test fixing box body (3) through a plurality of second bolts (5);
an input shaft spacer (8) is arranged between the input gear (4) and the first tapered roller bearing (201);
the input shaft spacer bush (8) is sleeved on the shaft shoulder of the input shaft (7) and is used for axially fixing the input gear (4);
the differential mechanism (100) is positioned in a differential mechanism supporting seat (20) which is horizontally penetrated front and back;
The differential mechanism (100) is fixedly connected with the differential mechanism supporting seat (20);
The peripheral outer wall of the differential mechanism supporting seat (20) is fixedly connected with the front end of a hollow test gear (21);
The rear end of the test gear (21) is fixedly connected with a test gear supporting seat (23);
The inner side of the test gear supporting seat (23) is arranged on a test shaft bearing seat (26) through a cylindrical roller bearing (25);
The second output half shaft (272) penetrates through the test shaft bearing seat (26);
an annular first elastic retainer ring (22) is arranged between the outer wall of the front end of the test shaft bearing seat (26) and the cylindrical roller bearing (25).
2. The multi-type differential testing and fixing box according to claim 1, wherein the rear end of the input shaft (7) protrudes out of the peripheral outer wall of the part of the second tapered roller bearing (202) and is fixedly connected with an input flange (31);
The second input end cover (30) is sleeved on the peripheral outer wall of the front end of the input flange (31);
the second input end cover (30) is fixedly connected with the left end of the rear side of the test fixing box body (3) through a plurality of bolts;
a second input end cover (30) is arranged at the rear side of the second tapered roller bearing (202);
The second input end cover (30) penetrates through the rear end of the input shaft (7);
a first lip-shaped sealing ring (1) is arranged between the input flange (31) and the second input end cover (30).
3. The multi-type differential test fixture of claim 2, wherein a first pressure plate (44) is attached to a rear side of said input flange (31);
The first pressing plate (44) is fixedly connected with the rear side surface of the input flange (31) through a first bolt (45);
the input flange (31) is connected to an input shaft of an external drive motor.
4. The multi-type differential test fixture box according to claim 1, wherein the differential (100) has a main housing (101) with a front end sleeved with a third tapered roller bearing (203), the third tapered roller bearing (203) being fixedly located in a test shaft support seat (11);
the rear end of a main shell (101) of the differential mechanism (100) is sleeved with a fourth tapered roller bearing (204), and the fourth tapered roller bearing (204) is positioned in a test shaft bearing seat (26);
a pair of first deep groove ball bearings (151) are sleeved on the outer walls of the periphery of the first output half shaft (271);
a pair of first deep groove ball bearings (151) are positioned on the test shaft supporting seat (11);
a pair of second deep groove ball bearings (152) are sleeved on the peripheral outer wall of the second output half shaft (272);
a pair of second deep groove ball bearings (152) are located in the test shaft bearing housing (26).
5. The multi-type differential testing fixture box according to claim 4, wherein the front end of the first output half shaft (271) protrudes from the peripheral outer walls of the parts of the pair of first deep groove ball bearings (151), and is fixedly connected with a first output flange (281);
The rear end of the second output half shaft (272) protrudes out of the peripheral outer wall of the part of the second deep groove ball bearing (152), and is fixedly connected with a second output flange (282);
The front surface of the first output flange (281) is provided with a second pressing plate (13) in a bonding way;
The second pressing plate (13) is fixedly connected with the front surface of the first output flange (281) through a sixth bolt (14);
An outer cover (10) is arranged at the opening of the right end of the front side of the test fixing box body (3);
the outer cover (10) is fixedly connected with the right end of the front side of the test fixing box body (3);
the test shaft supporting seat (11) is fixedly connected with the outer cover (10);
An O-shaped second sealing ring (17) is arranged between the test shaft supporting seat (11) and the outer cover (10) in a fixed connection manner;
and an O-shaped third sealing ring (18) is arranged between the outer cover (10) and the front side surface of the test fixing box body (3).
6. The multi-type differential test fixture of claim 5, wherein a third circlip (43) is provided between the inner race of the second deep groove ball bearing (152) and the peripheral outer wall of the second output half shaft (272);
An annular second circlip (41) is arranged between the outer ring of the second deep groove ball bearing (152) and the test shaft bearing seat (26);
The rear side of the second deep groove ball bearing (152) is provided with an annular shaft stop (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910056862.9A CN109738182B (en) | 2019-01-22 | 2019-01-22 | Multi-model differential mechanism test fixing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910056862.9A CN109738182B (en) | 2019-01-22 | 2019-01-22 | Multi-model differential mechanism test fixing box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109738182A CN109738182A (en) | 2019-05-10 |
| CN109738182B true CN109738182B (en) | 2024-08-20 |
Family
ID=66365564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910056862.9A Active CN109738182B (en) | 2019-01-22 | 2019-01-22 | Multi-model differential mechanism test fixing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109738182B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954336B (en) * | 2019-10-19 | 2021-07-27 | 浙江零跑科技有限公司 | Differential performance testing mechanism |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209589467U (en) * | 2019-01-22 | 2019-11-05 | 清研新能源汽车工程中心（襄阳）有限公司 | A kind of polytypic differential mechanism test fixed case |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001099730A (en) * | 1999-09-29 | 2001-04-13 | Shinko Electric Co Ltd | Testing device of transmission machine |
| CN201837520U (en) * | 2010-11-08 | 2011-05-18 | 山西省平遥减速器有限责任公司 | Mechanical total-power closed gear test stand |
| CN102445341B (en) * | 2011-12-26 | 2013-10-16 | 天津天海同步科技股份有限公司 | Novel limited slip differential experiment table |
| CN202582894U (en) * | 2011-12-26 | 2012-12-05 | 天津天海同步科技股份有限公司 | Novel limited-slip differential experiment table |
| CN104006960A (en) * | 2013-02-27 | 2014-08-27 | 中机生产力促进中心 | Gearbox gear contact spot semiaxis loading transmission apparatus |
| CN203414270U (en) * | 2013-08-27 | 2014-01-29 | 襄阳达安汽车检测中心 | Passenger car transmission synchronizer test device |
| CN203443779U (en) * | 2013-09-13 | 2014-02-19 | 上海索达传动机械有限公司 | Speed changing box-used durability bed stand |
| CN204405320U (en) * | 2014-12-20 | 2015-06-17 | 重庆凯特动力科技有限公司 | For the simple and easy long duration test compound table of automobile differential |
| CN204666361U (en) * | 2015-04-27 | 2015-09-23 | 安徽江淮汽车股份有限公司 | A kind of wheel box parking function rolls off the production line proving installation |
| CN205538210U (en) * | 2016-04-17 | 2016-08-31 | 吉林大学 | Rear -guard motor transmission driving error test bench |
| CN105784357B (en) * | 2016-04-29 | 2019-04-16 | 吉林大学 | Noise of automobile speed changer testing stand |
| CN206556871U (en) * | 2017-02-09 | 2017-10-13 | 重庆青山工业有限责任公司 | A kind of automotive transmission inertia-type friction synchronizer test bench |
| CN206593847U (en) * | 2017-03-27 | 2017-10-27 | 重庆理工大学 | Gear box casing deformation test system |
| CN107036812B (en) * | 2017-05-26 | 2023-08-22 | 吉林大学 | Electric motor car gearbox test bench |
| CN107842587A (en) * | 2017-11-02 | 2018-03-27 | 西安法士特汽车传动有限公司 | A kind of motor side drives pure electric vehicle central reducer unit |
| CN107985046A (en) * | 2017-12-27 | 2018-05-04 | 清研新能源汽车工程中心（襄阳）有限公司 | A kind of electric axle assembly of integrated high-efficiency type |
-
2019
- 2019-01-22 CN CN201910056862.9A patent/CN109738182B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209589467U (en) * | 2019-01-22 | 2019-11-05 | 清研新能源汽车工程中心（襄阳）有限公司 | A kind of polytypic differential mechanism test fixed case |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109738182A (en) | 2019-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108674179B (en) | Integrated electric drive power assembly | |
| WO2013047695A1 (en) | Bearing device for wheel with built-in in-wheel motor | |
| JPH08230489A (en) | Vehicle power transmission device | |
| RU2657716C1 (en) | Enhanced hub assembly with the possibility to supply air for central pumping wheels in motion | |
| CN109738182B (en) | Multi-model differential mechanism test fixing box | |
| CN111878554A (en) | High-integration electric drive assembly transmission system | |
| CN100460718C (en) | Combined device of planet gear reducer and cycloid hydraulic motor | |
| US6889572B2 (en) | Power-split angular gear | |
| CN205654786U (en) | Planetary speed reducer | |
| CN106828076A (en) | Electric wheel hub with wheel-side reduction device | |
| US3679334A (en) | Fluid power unit | |
| CN110450612B (en) | Integrated electric drive assembly | |
| CN209589467U (en) | A kind of polytypic differential mechanism test fixed case | |
| JPH0156927B2 (en) | ||
| CN211390928U (en) | Integrated form electric drive system | |
| CN209870113U (en) | Two-in-one power assembly of new energy automobile | |
| EP4147896B1 (en) | In-wheel driving device | |
| CN202439566U (en) | Power-takeoff transmission device for special automobile hydraulic system | |
| CN105508515A (en) | Coaxial direct-connection speed reducer | |
| CN102057188A (en) | Transmission gear ratio changing without disassembly for a work machine | |
| CN108869643A (en) | A kind of radial equilibrium little tooth difference speed reducer of carrier driving wheel | |
| CN111288150A (en) | A deceleration drive system and an electric vehicle | |
| SU1352090A1 (en) | Gas turbine for power unit reduction gear | |
| CN203713553U (en) | Wheel driving device for electric automobile | |
| CN217784160U (en) | Electric speed reducer connection device that tries on a trial run |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240722 Address after: Room 101-03, 1st Floor, Building 32, No.1 Courtyard, Desheng North Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing 102600 Applicant after: Beijing Qingyan Zhongzhi Testing Technology Co.,Ltd. Country or region after: China Address before: 441100 Mechanical and Electrical Industrial Park, Xiangzhou District, Xiangyang City, Hubei Province Applicant before: QINGYAN NEW ENERGY AUTOMOBILE ENGINEERING CENTER (XIANGYANG) CO.,LTD. Country or region before: China |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |