CN113588284A - To holding in palm durable test bench to new forms of energy electricity drive assembly - Google Patents
To holding in palm durable test bench to new forms of energy electricity drive assembly Download PDFInfo
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- CN113588284A CN113588284A CN202110759226.XA CN202110759226A CN113588284A CN 113588284 A CN113588284 A CN 113588284A CN 202110759226 A CN202110759226 A CN 202110759226A CN 113588284 A CN113588284 A CN 113588284A
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- drive assembly
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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Abstract
The invention provides a butt-bearing durability test bench for a new energy electric drive assembly, which comprises two transmission assemblies, a support and a differential adjusting assembly, wherein the two transmission assemblies are oppositely arranged on the support, each transmission assembly comprises two gear boxes, the two gear boxes are both arranged on the support, the end parts of adjacent output shafts of the two gear boxes are connected with a rotating shaft through a coupling, the electric drive assembly is arranged between the two transmission assemblies, an electric drive assembly is correspondingly arranged between each two oppositely arranged gear boxes, the two half shafts of the electric drive assembly are both connected with a corresponding gear box output shaft through the rotating shaft, and the differential adjusting assembly is connected between the gear box output shafts of the two transmission assemblies. The butt-support durability test bench for the new energy electric drive assembly solves the problems of high durability test cost and more needed bench resources and human resources.
Description
Technical Field
The invention belongs to the technical field of testing of a new energy electric drive assembly, and particularly relates to a butt-support durability test bench for the new energy electric drive assembly.
Background
In the development process of new energy automobiles, the overall automobile performance mainly comprises three test methods, namely a computer simulation test, a real automobile road test and a dynamometer bench test. The unknown parameters of the computer simulation test are too much, so that a real and effective test result cannot be obtained; the real vehicle road test needs to develop a test sample vehicle, the required period is long, and the cost is high; the electric drive system and the electric drive assembly verification test can be used for carrying out performance and reliability investigation on a product on a dynamometer bench. Therefore, most enterprises in the verification development stage can give priority to performance testing on a dynamometer bench and scheme modification retesting by verifying early-discovered problems.
Bench testing is mainly divided into two main categories: the method comprises a performance test and a durability test, wherein the durability test generally adopts a dynamometer to test the working condition durability, and the experimental method occupies a large amount of manpower and material resources. The duration of the endurance test ranges from hundreds of hours to thousands of hours, which causes the disadvantages of high cost of the endurance test and more required rack resources and human resources.
Disclosure of Invention
In view of the above, the invention provides a butt-support endurance test bench for a new energy electric drive assembly to solve the problems of high endurance test cost and more required bench resources and human resources.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a to holding in palm endurance test rack of new forms of energy electricity drive assembly, including drive assembly, a support, differential adjusting part, drive assembly has two, two drive assemblies set up relatively on the support, every drive assembly all includes two gear boxes, two gear boxes are all installed on the support, the output shaft tip that two gear boxes are adjacent has a pivot through the coupling joint, electricity drive assembly sets up between two drive assemblies, all correspond between the gear box of per two relative settings and be equipped with an electricity drive assembly, two semi-axles of electricity drive assembly all connect a gear box output shaft that corresponds with it through the pivot, differential adjusting part connects between two drive assembly's gear box output shaft.
Furthermore, one of the transmission components comprises a first gear box and a second gear box, the other transmission component comprises a third gear box and a fourth gear box, the first gear box comprises a first output shaft, a second output shaft and a third output shaft, the second gear box comprises a third output shaft and a fourth output shaft, the third gear box comprises a fifth output shaft, the fourth gear box comprises an eighth output shaft and a ninth output shaft, the first output shaft, the fifth output shaft, the sixth output shaft and the tenth output shaft are connected with a coupler through hub flanges, the coupler is connected with a half shaft of a corresponding electric drive assembly, the third output shaft and the fourth output shaft are connected with hub flanges, the two hub flanges are connected with a rotating shaft through the coupler, the seventh output shaft and the eighth output shaft are connected with a hub flange, and the two hub flanges are connected with the rotating shaft through the coupler.
Furthermore, the differential adjusting assembly comprises a driving belt pulley, a driven belt pulley and a transmission shaft, wherein the two ends of the transmission shaft are rotatably connected with the support through bearings, the two ends of the transmission shaft are respectively fixed with the driven belt pulley, the end parts of the second output shaft and the ninth output shaft are respectively fixed with the driving belt pulley, and a belt is connected between the driving belt pulley and the driven belt pulley which are positioned on the same side.
Further, the support includes mounting panel, curb plate, and drive assembly installs on the mounting panel, and the curb plate has a plurality ofly, and a plurality of curb plates are all fixed in the mounting panel bottom, and the transmission shaft both ends all are connected with a curb plate rotation through the bearing.
Furthermore, the bottom of the mounting plate is also provided with a bearing seat, and the transmission shaft is rotatably connected with the mounting plate through the bearing seat.
The device further comprises a supporting plate and a position adjusting component, wherein the bottom of each electric drive assembly driving assembly is fixedly provided with a supporting plate, the position adjusting component comprises two bidirectional screw rods, a limiting plate and a guide unit, the two bidirectional screw rods are arranged at two sides of the supporting plate respectively, the bidirectional screw rods are arranged between two transmission components, two ends of each bidirectional screw rod are arranged on the mounting plate through mounting components, the bidirectional screw rods are rotatably connected with the mounting components through bearings, one side, close to the bidirectional screw rods, of each supporting plate is provided with a guide component, each guide component comprises a sliding rod and a U-shaped sliding chute, the U-shaped sliding chute is fixed on the mounting plate, the sliding rods are arranged in the U-shaped sliding chutes and are in sliding connection with the U-shaped sliding chutes, the upper parts of the sliding rods are fixedly connected with the supporting plate, one side, far away from the sliding rods, of the L-shaped connecting rods is fixedly connected with the supporting plate, one end, far away from the sliding rods, of the limiting plate is fixedly provided with threaded cylinders corresponding to the bidirectional screw rods, the threaded cylinder is in threaded connection with the bidirectional screw.
Furthermore, a knob is fixed at the end part of the bidirectional screw rod.
Furthermore, the threaded cylinder is arranged on one side of the connecting plate, which is close to the slide bar connected with the connecting plate.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention provides a butt-supporting durability test bench for a new energy electric drive assembly, which is used for performing mutual butt-pulling test on two test prototypes (one tested prototype and one accompanied test prototype); compared with the two motor racks, the double-dragging rack greatly reduces the equipment cost and the test cost, has short test period, and can carry out the test of two prototype machines in parallel.
(2) The two countries electric drive assembly drive assemblies to be tested are supported in pairs through the transmission of the gear boxes, so that the endurance test cost can be reduced, the rack is simple to build, the cost is low, the occupied area is small, and the test system is suitable for endurance tests of different power assemblies.
(3) The problem of differential speed of the half shaft of the assembly is solved by a purely mechanical method through the differential speed adjusting component.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a stand for a new energy electric drive assembly according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a stand for a new energy electric drive assembly according to an embodiment of the present invention;
FIG. 3 is a schematic view of a position adjustment assembly according to an embodiment of the present invention;
FIG. 4 is an enlarged partial schematic view of a position adjustment assembly according to an embodiment of the present invention;
FIG. 5 is a schematic top view of a docking endurance test rig for a new energy electric drive assembly according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a endurance testing bench for a new energy electric drive assembly according to an embodiment of the present invention.
Description of reference numerals:
1. a transmission assembly; 11. a gear case; 111. a first gear case; 112. a second gear box; 113. a third gear case; 114. a fourth gear case; 12. a coupling; 13. a hub flange; 14. a rotating shaft; 2. a support; 21. a side plate; 22. mounting a plate; 3. a position adjustment assembly; 31. a bidirectional screw; 32. a support plate; 33. a mounting member; 34. a knob; 35. a threaded barrel; 36. a limiting plate; 37. a U-shaped chute; 38. a slide bar; 39. an L-shaped connecting rod; 4. a differential speed adjustment assembly; 41. a drive pulley; 42. a driven pulley; 43. a belt; 44. a drive shaft; 45. a bearing; 46. mounting blocks; 5. an electric drive assembly; 51. a half shaft; 61. a first output shaft; 62. a second output shaft; 63. a third output shaft; 64. a fourth output shaft; 65. a fifth output shaft; 66. a sixth output shaft; 67. a seventh output shaft; 68. an eighth output shaft; 69. a ninth output shaft; 70. a tenth output shaft.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, a to holding in palm endurance test rack to new forms of energy electricity drive assembly, including drive assembly 1, support 2, differential adjusting part 4, drive assembly 1 has two, two drive assemblies 1 set up relatively on support 2, every drive assembly 1 all includes two gear boxes 11, two gear boxes 11 are all installed on support 2, the output shaft tip that two gear boxes 11 are adjacent is connected with a pivot 14 through shaft coupling 12, electricity drive assembly 5 sets up between two drive assemblies 1, it is equipped with an electricity drive assembly all to correspond between every two gear boxes 11 that set up relatively, two semi-axles 51 of electricity drive assembly all connect a gear box 11 output shaft that corresponds with it through pivot 14, differential adjusting part 4 connects between the gear box 11 output shaft of two drive assemblies 1.
As shown in fig. 1 and 5, one of the transmission assemblies 1 includes a first gear box 111 and a second gear box 112, and the other transmission assembly 1 includes a third gear box 113 and a fourth gear box 114, the first gear box 111 includes a first output shaft 61, a second output shaft 62 and a third output shaft 63, the second gear box 112 includes a third output shaft 63 and a fourth output shaft 64, the third gear box 113 includes a fifth output shaft 65, sixth output shaft 66, seventh output shaft 67, fourth gear box 114 includes eighth output shaft 68, ninth output shaft 69, differential adjusting assembly 4 includes drive pulley 41, driven pulley 42, transmission shaft 44, the both ends of transmission shaft 44 are connected with support 2 through bearing 45, both ends of transmission shaft 44 are fixed with a driven pulley 42, the tip of second output shaft 62, ninth output shaft 69 are fixed with a drive pulley 41, all be connected with belt 43 between drive pulley 41 and the driven pulley 42 that lie in the same side.
The first output shaft 61, the fifth output shaft 65, the sixth output shaft 66 and the tenth output shaft 70 are connected with the coupler 12 through the hub flanges 13, the coupler 12 is connected with the half shaft 51 of the corresponding electric drive assembly 5, the third output shaft 63 and the fourth output shaft 64 are both connected with one hub flange 13, the two hub flanges 13 are connected with the rotating shaft 14 through the coupler 12, the seventh output shaft 67 and the eighth output shaft 68 are both connected with one hub flange 13, and the two hub flanges 13 are connected with the rotating shaft 14 through the coupler 12.
As shown in fig. 1 and 2, the bracket 2 includes a mounting plate 22 and side plates 21, the transmission assembly 1 is mounted on the mounting plate 22, the side plates 21 are multiple, the side plates 21 are all fixed at the bottom of the mounting plate 22, and two ends of the transmission shaft 44 are rotatably connected with one side plate 21 through bearings 45.
As shown in fig. 2, a bearing 45 seat is further installed at the bottom of the mounting plate 22, and the transmission shaft 44 is rotatably connected with the mounting plate 22 through the bearing 45 seat.
As shown in fig. 1, 3 and 4, the electric drive assembly further comprises a supporting plate 32 and a position adjusting component 3, wherein a supporting plate 32 is fixed at the bottom of each electric drive assembly driving assembly 5, the position adjusting component 3 comprises two bidirectional screws 31, a limiting plate 36 and a guiding unit, two bidirectional screws 31 are provided, two bidirectional screws 31 are respectively arranged at two sides of the supporting plate 32, the bidirectional screws 31 are arranged between two transmission components 1, two ends of the bidirectional screws 31 are respectively installed on the installation plate 22 through the installation parts 33, the bidirectional screws 31 are rotatably connected with the installation parts 33 through bearings 45, one side of each supporting plate 32 close to the bidirectional screws 31 is provided with a guiding component, the guiding component comprises a sliding rod 38 and a U-shaped sliding groove 37, the U-shaped sliding groove 37 is fixed on the installation plate 22, the sliding rod 38 is arranged in the U-shaped sliding groove 37 and is slidably connected with the U-shaped sliding groove 37, an L-shaped connecting rod is fixed at the upper part of the sliding rod 38, one side of the L-shaped connecting rod far away from the sliding rod 38 is fixedly connected with the supporting plate 32, a limiting plate 36 is fixed at one end of the L-shaped rod, a threaded cylinder 35 corresponding to the bidirectional screw 31 is fixed at one end of the limiting plate 36 far away from the sliding rod 38, and the threaded cylinder 35 is in threaded connection with the bidirectional screw 31.
As shown in fig. 1, 3, and 4, a knob 34 is fixed to an end of the bidirectional screw 31.
As shown in fig. 1, 3 and 4, the threaded cylinder 35 is disposed on a side of the connecting plate adjacent to the slide rod 38 connected thereto.
The position adjusting component 3 can adjust the position of the electric drive assembly driving assembly 5, rotate the two knobs 34, and rotate the two screw cylinders 35 to move towards or away from each other through the rotation of the bidirectional screw 31, so as to drive the sliding rods 38 to move through the limiting plates 36, and the sliding rods 38 drive the supporting plates 32 to move, thereby adjusting the position of the electric drive assembly driving assembly 5, and aligning the half shaft 51 of the electric drive assembly with the output shaft of the gear box 11.
One electric drive assembly sends out the rotational speed, and an electric drive assembly transmits the moment of torsion, reaches the purpose of test motor power through mutual butt.
Firstly, the rotating speed emitted by one of the electric drive assembly drive assemblies 5 is transmitted to the half shaft 51 through the gear box 11 and then transmitted to the hub flange 13, the coupling 12 and the gear box 11 in sequence, and the rotating speed transmission direction is changed from transverse to longitudinal after the gear box 11 changes the transmission direction of the rotating speed; the rotating speed is transmitted to another pair of gear boxes 11 through the coupler 12, the CV shaft and the coupler 12, the rotating speed changes the transmission direction again through the gear boxes 11 from the longitudinal direction to the transverse direction, and the rotating speed is transmitted to another electric drive assembly driving assembly 5 through the coupler 12, the hub flange 13 and the half shaft 51.
The other electric drive assembly 5 sends out torque to the half shaft 51 through the gear box 11 and then to the hub flange 13, the coupling 12 and the gear box 11 in turn, because the gear box 11 changes the transmission direction of the torque, then the transmission direction of the torque changes from transverse direction to longitudinal direction; the rotating speed is transmitted to the other pair of gear boxes 11 through the coupler 12, the CV shaft and the coupler 12, the torque changes the transmission direction again through the gear boxes 11, the longitudinal direction is changed into the transverse direction, and the rotating speed is transmitted to one of the electric drive assembly driving assemblies 5 through the coupler 12, the hub flange 13 and the half shaft 51.
The purpose of the differential speed adjusting assembly 4 is to prevent the left half shaft 51 and the right half shaft 51 of the electric drive assembly driving assembly 5 from generating a rotation speed difference to influence the assembly test, the rotation speed is transmitted from the output of the two half shafts 51 of the electric drive assembly driving assembly 5 to the wheel outlet box through the hub flange 13 and the coupling 12, and then the output of the output shaft on the other side of the gear box 11 is transmitted to the belt 43 wheel on the output shaft and then transmitted to the transmission shaft 44 through the belt 43, the rotation speed of the half shafts 51 on the two sides is transmitted to the transmission shaft 44, and the transmission shaft 44 is in hard connection, so the rotation speed of the two half shafts 51 is necessarily consistent.
As shown in fig. 6, the upper computer controls the high-voltage and low-voltage power supplies to be powered on through the can signal, controls the control mode of the electric drive assembly driving assembly 5 and the rotating speed and torque values output by the electric drive assembly driving assembly 5, and collects data of the electric drive assembly driving assembly 5 and the gantry in real time through the data collecting device.
The electric device comprises a battery simulator, electric parameter acquisition equipment, a power analyzer, water cooling equipment, an environment box and other external auxiliary equipment. The position adjusting device for the electric drive assembly driving assembly 5 adjusts the height of the electric drive assembly driving assembly 5 through a fixing tool for the electric drive assembly driving assembly 5 fixed on a fixing plate of the electric drive assembly driving assembly 5, so that the connection position of a half shaft 51 of the electric drive assembly driving assembly 5 and an output shaft of a gear box 11 are positioned on the same horizontal plane, and then the position of the electric drive assembly driving assembly 5 in the X direction is adjusted through rotating a longitudinal moving driving screw rod by a hand tool, so that the connection position of the half shaft 51 of the electric drive assembly driving assembly 5 and the output shaft of the gear box 11 are positioned on the same vertical plane. The connection position of the half shaft 51 of the electric drive assembly 5 is completely aligned with the output shaft of the gear box 11, and then the length of the half shaft 51 is made up through the design of a coupler 12 tool, so that the gear box 11 and the electric drive assembly 5 are just suitable for the length of the half shaft 51 of the electric drive assembly 5, and all movable equipment is fixed on an iron floor after all positions are adjusted. And then, the auxiliary equipment power supply data acquisition equipment and the like are connected to the electric drive assembly driving assembly 5.
The working principle of the transmission device is that one electric drive assembly sends out rotating speed, and the other electric drive assembly sends out torque, so that the purpose of testing the power of the motor is achieved through mutual support.
Firstly, the rotating speed is sent out by one of the electric drive assembly drive assemblies 5, the rotating speed is transmitted to the half shaft 51 through the reduction gearbox and the differential mechanism, and then is transmitted to the hub flange 13, the coupling 12 and the gear box 11 in sequence, and the rotating speed transmission direction is changed from the transverse direction to the longitudinal direction after the gear box 11 changes the transmission direction of the rotating speed; the rotating speed is transmitted to another pair of gear boxes 11 through the coupler 12, the CV shaft and the coupler 12, the rotating speed changes the transmission direction again through the gear boxes 11 from the longitudinal direction to the transverse direction, and the rotating speed is transmitted to another electric drive assembly driving assembly 5 through the coupler 12, the hub flange 13 and the half shaft 51.
The other electric drive assembly 5 sends out torque which is transmitted to the half shaft 51 through the reduction gearbox and the differential mechanism and then transmitted to the hub flange 13, the coupling 12 and the gear box 11 in sequence, and the transmission direction of the torque is changed from transverse to longitudinal after the gear box 11 changes the transmission direction of the torque; the rotating speed is transmitted to the other pair of gear boxes 11 through the coupler 12, the CV shaft and the coupler 12, the torque changes the transmission direction again through the gear boxes 11, the longitudinal direction is changed into the transverse direction, and the rotating speed is transmitted to one of the electric drive assembly driving assemblies 5 through the coupler 12, the hub flange 13 and the half shaft 51.
Differential speed adjusting device: the purpose of the differential speed adjusting device is to prevent the left half shaft 51 and the right half shaft 51 of the electric drive assembly driving assembly 5 from generating a rotation speed difference to influence the assembly test, the rotation speed is transmitted from two half shafts 51 of the electric drive assembly driving assembly 5 to the wheel outlet box through the hub flange 13 and the coupling 12, and then is transmitted from the output shaft on the other side of the gear box 11 to the belt 43 wheel on the output shaft and then is transmitted to the transmission shaft 44 through the belt 43, the rotation speed of the half shafts 51 on both sides is transmitted to the transmission shaft 44, and the transmission shaft 44 is in hard connection, so the rotation speed of the two half shafts 51 is necessarily consistent. Therefore, the durability test of the tested piece can be performed without using a dynamometer.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides a to durable test rack of holding in palm of new forms of energy electricity drive assembly which characterized in that: comprises a transmission component (1) and a bracket (2), differential adjusting part (4), drive assembly (1) has two, two drive assembly (1) set up relatively on support (2), every drive assembly (1) all includes two gear boxes (11), two gear boxes (11) are all installed on support (2), two output shaft tip that gear boxes (11) are adjacent are connected with a pivot (14) through shaft coupling (12), electric drive assembly (5) set up between two drive assembly (1), it is equipped with an electric drive assembly all to correspond between every two gear boxes (11) that set up relatively, two semi-axles (51) of electric drive assembly all connect a gear box (11) output shaft that corresponds with it through pivot (14), differential adjusting part connects between gear box (11) output shaft of two drive assembly (1).
2. The racking endurance test rig for a new energy electric drive assembly of claim 1, further comprising: one transmission component (1) comprises a first gear box (111) and a second gear box (112), the other transmission component (1) comprises a third gear box (113) and a fourth gear box (114), the first gear box (111) comprises a first output shaft (61), a second output shaft (62) and a third output shaft (63), the second gear box (112) comprises a third output shaft (63) and a fourth output shaft (64), the third gear box (113) comprises a fifth output shaft (65), a sixth output shaft (66) and a seventh output shaft (67), the fourth gear box (114) comprises an eighth output shaft (68) and a ninth output shaft (69), the first output shaft (61), the fifth output shaft (65), the sixth output shaft (66) and the tenth output shaft (70) are connected with a coupler (12) through hub flanges (13), and the coupler (12) is connected with a half shaft (51) of a corresponding electric drive assembly (5), a third output shaft (63) and a fourth output shaft (64) are connected with a hub flange (13), the two hub flanges (13) are connected with a rotating shaft (14) through a coupler (12), a seventh output shaft (67) and an eighth output shaft (68) are connected with the hub flange (13), and the two hub flanges (13) are connected with the rotating shaft (14) through the coupler (12).
3. The racking endurance test rig for a new energy electric drive assembly of claim 2, further comprising: differential adjusting part (4) include drive pulley (41), driven pulley (42), transmission shaft (44) both ends are passed through bearing (45) and are connected with support (2) rotation, transmission shaft (44) both ends all are fixed with one driven pulley (42), second output shaft (62), ninth output shaft (69) tip all are fixed with one drive pulley (41), all are connected with belt (43) between drive pulley (41) and driven pulley (42) that lie in same side.
4. The racking endurance test rig for a new energy electric drive assembly of claim 2, further comprising: support (2) are including mounting panel (22), curb plate (21), and install on mounting panel (22) transmission assembly (1), and curb plate (21) have a plurality ofly, and a plurality of curb plates (21) are all fixed in mounting panel (22) bottom, and transmission shaft (44) both ends all are connected with a curb plate (21) rotation through bearing (45).
5. The racking endurance test rig for a new energy electric drive assembly of claim 4, further comprising: the bottom of the mounting plate (22) is also provided with a bearing (45) seat, and the transmission shaft (44) is rotatably connected with the mounting plate (22) through the bearing (45) seat.
6. The racking endurance test rig for a new energy electric drive assembly of claim 5, further comprising: the electric drive assembly is characterized by further comprising a supporting plate (32) and position adjusting components (3), wherein the bottom of each electric drive assembly driving assembly (5) is fixedly provided with one supporting plate (32), each position adjusting component (3) comprises two bidirectional screw rods (31), a limiting plate (36) and a guide unit, the two bidirectional screw rods (31) are arranged on two sides of each supporting plate (32) in a row, the two bidirectional screw rods (31) are arranged between the two transmission components (1), two ends of each bidirectional screw rod (31) are arranged on the mounting plate (22) through mounting pieces (33), the bidirectional screw rods (31) are rotatably connected with the mounting pieces (33) through bearings (45), one side, close to the two bidirectional screw rods (31), of each supporting plate (32) is provided with one guide component, each guide component comprises a sliding rod (38) and a U-shaped sliding groove (37), the U-shaped sliding grooves (37) are fixed on the mounting plate (22), the sliding rods (38) are arranged in the U-shaped sliding grooves (37), the upper part of the sliding rod (38) is fixedly provided with an L-shaped connecting rod, one side of the L-shaped connecting rod, which is far away from the sliding rod (38), is fixedly connected with the supporting plate (32), one end of the L-shaped rod is fixedly provided with a limiting plate (36), one end of the limiting plate (36), which is far away from the sliding rod (38), is fixedly provided with a threaded cylinder (35) corresponding to the bidirectional screw (31), and the threaded cylinder (35) is in threaded connection with the bidirectional screw (31).
7. The racking endurance test rig for a new energy electric drive assembly of claim 6, further comprising: a knob (34) is fixed at the end part of the bidirectional screw rod (31).
8. The racking endurance test rig for a new energy electric drive assembly of claim 6, further comprising: the threaded cylinder (35) is arranged on one side of the connecting plate, which is close to the slide rod (38) connected with the connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110759226.XA CN113588284A (en) | 2021-07-05 | 2021-07-05 | To holding in palm durable test bench to new forms of energy electricity drive assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110759226.XA CN113588284A (en) | 2021-07-05 | 2021-07-05 | To holding in palm durable test bench to new forms of energy electricity drive assembly |
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| Publication Number | Publication Date |
|---|---|
| CN113588284A true CN113588284A (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110759226.XA Pending CN113588284A (en) | 2021-07-05 | 2021-07-05 | To holding in palm durable test bench to new forms of energy electricity drive assembly |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1486191A (en) * | 1974-09-02 | 1977-09-21 | Ransome Hoffmann Pollard | Apparatus for testing the bearings of automobile wheel hub assemblies |
| CN110296835A (en) * | 2019-07-30 | 2019-10-01 | 苏州英特模汽车科技有限公司 | The high-performance of electric drive axle power assembly is to dragging test macro and its test method |
| US20200022491A1 (en) * | 2018-07-18 | 2020-01-23 | Visioner Inc. | Electric lifting platform |
| CN210024223U (en) * | 2019-11-22 | 2020-02-07 | 高密市东冶机械制造有限公司 | Seamless welding device |
| CN110823594A (en) * | 2019-10-30 | 2020-02-21 | 南通常测机电设备有限公司 | Power assembly test bench |
-
2021
- 2021-07-05 CN CN202110759226.XA patent/CN113588284A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1486191A (en) * | 1974-09-02 | 1977-09-21 | Ransome Hoffmann Pollard | Apparatus for testing the bearings of automobile wheel hub assemblies |
| US20200022491A1 (en) * | 2018-07-18 | 2020-01-23 | Visioner Inc. | Electric lifting platform |
| CN110296835A (en) * | 2019-07-30 | 2019-10-01 | 苏州英特模汽车科技有限公司 | The high-performance of electric drive axle power assembly is to dragging test macro and its test method |
| CN110823594A (en) * | 2019-10-30 | 2020-02-21 | 南通常测机电设备有限公司 | Power assembly test bench |
| CN210024223U (en) * | 2019-11-22 | 2020-02-07 | 高密市东冶机械制造有限公司 | Seamless welding device |
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