CN217484068U

CN217484068U - Auxiliary frame motor bracket torsional strength test device

Info

Publication number: CN217484068U
Application number: CN202123434169.2U
Authority: CN
Inventors: 陈飞; 石玉勇; 李凤军; 王聪; 孙伟
Original assignee: NINGBO JIANXIN CHASSIS SYSTEM CO Ltd
Current assignee: NINGBO JIANXIN CHASSIS SYSTEM CO Ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-09-23
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to a sub vehicle frame motor bracket torsional strength test device, including the loading frame that is used for loading the sub vehicle frame of waiting to test, fix the motor simulation piece on the motor bracket of sub vehicle frame and be used for driving this motor simulation piece for the torsional drive arrangement of motor bracket. Compared with the prior art, the utility model discloses in, work and make the motor simulation piece can test the torsional strength of the motor bracket of sub vehicle frame when twisting for the motor bracket when drive arrangement. It is visible, the utility model discloses simple structure to can carry out effective test to the torsional strength of the motor bracket of sub vehicle frame.

Description

Auxiliary frame motor bracket torsion strength test device

Technical Field

The utility model relates to an automobile parts performance test field especially relates to a sub vehicle frame motor bracket torsional strength test device.

Background

The motor of the vehicle is generally mounted on the subframe through a bracket, for example: chinese utility model patent No. ZL201721922783.4 (No. CN207657585U) discloses a motor mounting bracket (equivalent to a bracket) for an automobile, and specifically discloses the following: including locating the at least three installing support that is used for installing the motor on the sub vehicle frame, its characterized in that: at least one the installing support is through casting integrated into one piece on sub vehicle frame, every integrated into one piece on sub vehicle frame the installing support includes the mounting panel of two relative settings, mounting panel one end shaping is on sub vehicle frame. For another example: the rear-drive motor suspension system and the hydrogen energy automobile are disclosed in the Chinese utility model patent with the patent number ZL202022867043.3 (the publication number is CN214564564U) and the front auxiliary frame assembly and the automobile are disclosed in the Chinese utility model patent with the patent number ZL202021245032.5 (the publication number is CN 212637654U). Further, the motor can produce torsional vibration in the operation process, if the bracket torsional strength of sub vehicle frame is not strong then can lead to serious consequence, however, at present, there is not the device that can effectively test motor bracket torsional strength yet.

Disclosure of Invention

The utility model aims to solve the technical problem that a simple structure and can effectively detect sub vehicle frame motor bracket torsional strength's sub vehicle frame motor bracket torsional strength test device is provided to prior art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the device for testing the torsional strength of the motor bracket of the auxiliary frame is characterized by comprising a loading frame for loading the auxiliary frame to be tested, a motor simulation piece fixed on the motor bracket of the auxiliary frame and a driving device for driving the motor simulation piece to twist relative to the motor bracket.

Further, the driving device comprises an output shaft which can rotate by taking the axis of the driving device as a center, and a transmission member, wherein the first end of the transmission member is fixed with the motor simulation member, and the second end of the transmission member is fixed with the free end of the output shaft. The driving force of the driving device can be effectively transmitted to the motor simulation piece through the transmission piece, so that the motor simulation piece is twisted relative to the motor bracket.

Further, the transmission part comprises a first central line, and further comprises a first transmission disc and a second transmission disc which are arranged oppositely, wherein one disc surface of the first transmission disc is fixed with the second end of the transmission part, the first central line of the transmission part is superposed with the central shaft of the first transmission disc, one disc surface of the second transmission disc is fixed on the free end of the output shaft, the axis of the output shaft is superposed with the central shaft of the second transmission disc, and the other disc surface of the first transmission disc is mutually fixed with the other disc surface of the second transmission disc. On one hand, the transmission part can better transmit the driving force of the driving device to the motor simulation part, on the other hand, the torque vibration generated when the motor runs can be better simulated, and therefore the accuracy of the test of the torsional strength of the motor bracket is improved.

Furthermore, the loading frame comprises a loading platform which is vertically arranged, the motor simulation piece and the transmission piece are vertically arranged plate-shaped blocks, and the first central line extends along the horizontal direction, so that the concrete realization structures of the motor simulation piece and the transmission piece are simple, and the structure of the auxiliary frame motor bracket torsional strength test device in the utility model is simple,

under the test state, treat that the vertical clamp of experimental sub vehicle frame is established between this loading platform and driving medium, and the one side of driving medium is fixed with the support body of waiting the experimental sub vehicle frame, and the one end of above-mentioned motor simulation piece is fixed with the motor bracket of waiting the experimental sub vehicle frame and the other end extends rather than the mutually perpendicular direction of self along length direction and forms the extension piece, and this extension piece is fixed with the another side of driving medium. On the one hand, the auxiliary frame to be tested can be stably loaded, and on the other hand, the driving force transmitted to the transmission piece can better drive the motor simulator to twist relative to the motor bracket.

Further, the height of the motor simulation piece is smaller than that of the transmission piece, and the top edges of the motor simulation piece and the transmission piece are flush. Therefore, the loss of the driving force transmitted to the transmission part is reduced, the motor simulation part can be driven to twist in a centralized manner, and the test efficiency is improved.

Furthermore, the loading frame also comprises a supporting platform which is vertically arranged and is opposite to the loading platform, and the supporting platform is connected with the loading platform through a horizontally arranged supporting column. Therefore, the loading frame is firm in structure, and the auxiliary frame to be tested can be loaded more stably.

Further, still including being used for placing above-mentioned drive arrangement's place the platform, the bottom surface of above-mentioned brace table is the level form and flushes with place the platform's bottom surface, and the minimum of above-mentioned loading platform is higher than the bottom surface of brace table to, the weight of loading frame is far more than the weight sum of waiting to test sub vehicle frame, motor simulation spare and driving medium. Thereby can realize placing drive arrangement's stability, enable drive arrangement's drive power to transmit to the motor simulation piece better simultaneously, in addition, can further realize treating the firm loading of experimental sub vehicle frame, realize the steadiness of whole device structure simultaneously.

Further, there are various specific implementation manners of the driving device, and preferably, the driving device is an oil cylinder horizontally placed on the top surface of the placing platform.

Compared with the prior art, the utility model has the advantages of: the utility model discloses a load frame, motor simulation piece and drive arrangement, wherein, load the frame simulation automobile body and be used for the loading to wait to test sub vehicle frame, the motor simulation piece is fixed on the motor bracket of sub vehicle frame, and drive arrangement is used for driving this motor simulation piece and twists reverse for the motor bracket. Therefore, when the driving device works and the motor simulation piece is twisted relative to the motor bracket, the torsional strength of the motor bracket of the auxiliary frame can be tested. It is visible, the utility model discloses simple structure to can carry out effective test to the torsional strength of the motor bracket of sub vehicle frame.

Drawings

FIG. 1 is a schematic structural view of an apparatus for testing torsional strength of a subframe motor bracket according to an embodiment of the present invention;

fig. 2 is a schematic structural view in another direction of fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the disclosed embodiments of the invention may be oriented in different directions and the directional terms are intended to be illustrative and should not be construed as limiting, such as "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

As shown in fig. 1-2, a device for testing torsional strength of a subframe motor bracket comprises a loading frame 2, a motor simulation piece 3 and a driving device 4. The loading frame 2 simulates a vehicle body and is used for loading the subframe 1 to be tested, the motor simulation piece 3 is fixed on a motor bracket 11 of the subframe 1, and the driving device 4 is used for driving the motor simulation piece 3 to twist relative to the motor bracket 11. Thus, when the driving device 4 is operated to twist the motor simulator 3 relative to the motor bracket 11, the torsional strength of the motor bracket 11 of the subframe 1 can be tested. It can be seen that the utility model discloses simple structure to can carry out effective test to the torsional strength of the motor bracket 11 of sub vehicle frame 1.

Further, the driving device 4 includes an output shaft 41 capable of rotating around its own axis, and the subframe motor bracket torsional strength test apparatus further includes a transmission member 5, a first end of the transmission member 5 is fixed to the motor simulation member 3, and a second end of the transmission member is fixed to a free end of the output shaft 41. The drive force of the drive device 4 can be effectively transmitted to the motor simulation element 3 via the transmission element 5, so that the motor simulation element 3 is twisted relative to the motor bracket 11.

Specifically, in this embodiment, the transmission member 5 includes a first central line X, and further includes a first transmission disk 7 and a second transmission disk 8, which are disposed opposite to each other, wherein one disk surface of the first transmission disk 7 is fixed to the second end of the transmission member 5, the first central line X of the transmission member 5 coincides with the central axis of the first transmission disk 7, one disk surface of the second transmission disk 8 is fixed to the free end of the output shaft 41, the axis of the output shaft 41 coincides with the central axis of the second transmission disk 8, and the other disk surface of the first transmission disk 7 and the other disk surface of the second transmission disk 8 are fixed to each other. On one hand, the transmission part 5 can better transmit the driving force of the driving device 4 to the motor simulation part 3, and on the other hand, the torque vibration generated when the motor runs can be better simulated, so that the accuracy of the torsional strength test of the motor bracket 11 is improved.

Further, above-mentioned loading frame 2 includes the loading platform 21 of vertical setting, and above-mentioned motor simulation piece 3 and driving medium 5 are the platelike square of vertical setting, and above-mentioned first central line X extends along the horizontal direction to the concrete realization simple structure that enables motor simulation piece 3 and driving medium 5, and then makes the utility model provides a 1 motor bracket 11 torsional strength test device of sub vehicle frame's simple structure. In a test state, the subframe 1 to be tested is vertically clamped between the loading platform 21 and the transmission member 5, one surface of the transmission member 5 is fixed to the frame body 10 of the subframe 1 to be tested, one end of the motor simulation piece 3 is fixed to the motor bracket 11 of the subframe 1 to be tested, the other end of the motor simulation piece extends in a direction perpendicular to the motor simulation piece along the length direction to form an extension block 31, and the extension block 31 is fixed to the other surface of the transmission member 5. On the one hand, the subframe 1 to be tested can be loaded in a stable manner and, on the other hand, the drive force transmitted to the transmission element 5 can drive the motor dummy 3 in a better manner in a twisting manner relative to the motor carrier 11.

Further, the loading frame 2 further comprises a supporting table 22 which is vertically arranged and is opposite to the loading table 21, and the supporting table 22 is connected with the loading table 21 through a supporting column 23 which is horizontally arranged, so that the structure of the loading frame 2 is firm, and the auxiliary frame 1 to be tested can be loaded more stably.

In this embodiment, the device for testing the torsional strength of the subframe motor bracket further comprises a placing platform 6 for placing the driving device 4, the bottom surface of the supporting platform 22 is horizontal and flush with the bottom surface of the placing platform 6, the lowest position of the loading platform 21 is higher than the bottom surface of the supporting platform 22, and the weight of the loading frame 2 is far greater than the sum of the weights of the subframe 1 to be tested, the motor simulation piece 3 and the transmission piece 5. Thereby can realize placing drive arrangement 4's firm, enable drive arrangement 4's drive power transmission to motor simulation piece 3 better simultaneously, in addition, can further realize treating the firm loading of experimental sub vehicle frame 1, realize the steadiness of whole device structure simultaneously.

There are various specific implementation manners of the driving device 4, and preferably, the driving device 4 is an oil cylinder horizontally placed on the top surface of the placing platform 6. In addition, in this embodiment, the height of the motor simulation piece 3 is smaller than that of the transmission piece 5, and the top edges of the motor simulation piece and the transmission piece are flush, so that the loss of the driving force transmitted to the transmission piece 5 is reduced, the motor simulation piece 3 can be driven to twist in a centralized manner, and the test efficiency is improved.

Claims

1. The device for testing the torsional strength of the motor bracket of the auxiliary frame is characterized by comprising a loading frame (2) for loading the auxiliary frame (1) to be tested, a motor simulation piece (3) fixed on the motor bracket (11) of the auxiliary frame (1) and a driving device (4) for driving the motor simulation piece (3) to twist relative to the motor bracket (11).

2. The subframe motor carrier torsional strength test device as set forth in claim 1, wherein said driving means (4) includes an output shaft (41) rotatable about its own axis, and further includes a transmission member (5), a first end of said transmission member (5) being fixed to said motor simulator (3) and a second end being fixed to a free end of said output shaft (41).

3. The subframe motor bracket torsional strength test apparatus of claim 2, wherein the transmission member (5) comprises a first center line (X), and further comprises a first transmission disk (7) and a second transmission disk (8) which are oppositely disposed, wherein one disk surface of the first transmission disk (7) is fixed to the second end of the transmission member (5), and the first center line (X) of the transmission member (5) is coincident with the central axis of the first transmission disk (7), one disk surface of the second transmission disk (8) is fixed to the free end of the output shaft (41), and the axis of the output shaft (41) is coincident with the central axis of the second transmission disk (8), and the other disk surface of the first transmission disk (7) and the other disk surface of the second transmission disk (8) are fixed to each other.

4. The subframe motor bracket torsional strength test apparatus according to claim 3, wherein the loading frame (2) includes a vertically disposed loading platform (21), the motor dummy (3) and the transmission member (5) are vertically disposed plate-shaped blocks, and the first center line (X) extends in a horizontal direction,

under the test state, the auxiliary frame (1) to be tested is vertically clamped between the loading platform (21) and the transmission part (5), one surface of the transmission part (5) is fixed with the frame body (10) of the auxiliary frame (1) to be tested, one end of the motor simulation part (3) is fixed with the motor bracket (11) of the auxiliary frame (1) to be tested, the other end of the motor simulation part extends towards the direction perpendicular to the motor simulation part along the length direction to form an extension block (31), and the extension block (31) is fixed with the other surface of the transmission part (5).

5. The subframe motor bracket torsional strength test device of any one of claims 2 to 4, wherein the height of the motor simulation member (3) is smaller than that of the transmission member (5), and the top edges of the motor simulation member and the transmission member are flush.

6. The subframe motor bracket torsional strength test device of claim 4, wherein the loading frame (2) further comprises a support platform (22) vertically disposed opposite to the loading platform (21), and the support platform (22) is connected with the loading platform (21) through a support pillar (23) horizontally disposed.

7. The subframe motor bracket torsional strength test device of claim 6, further comprising a placement platform (6) for placing the driving device (4), wherein the bottom surface of the support platform (22) is horizontal and flush with the bottom surface of the placement platform (6), the lowest point of the loading platform (21) is higher than the bottom surface of the support platform (22), and the weight of the loading frame (2) is much greater than the sum of the weights of the subframe (1) to be tested, the motor simulator (3) and the transmission member (5).

8. The subframe motor bracket torsional strength test apparatus of claim 7 wherein said drive means (4) is a cylinder horizontally disposed on the top surface of said platform (6).