CN219649662U - Mounting structure of horizontal suspension motor on NVH load test bed - Google Patents
Mounting structure of horizontal suspension motor on NVH load test bed Download PDFInfo
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- CN219649662U CN219649662U CN202320469310.2U CN202320469310U CN219649662U CN 219649662 U CN219649662 U CN 219649662U CN 202320469310 U CN202320469310 U CN 202320469310U CN 219649662 U CN219649662 U CN 219649662U
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- supporting plate
- lead screws
- screw rod
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- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 239000000725 suspension Substances 0.000 title claims abstract description 15
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model provides a mounting structure of a horizontal suspension motor on an NVH load test bed, wherein a left supporting plate component and a right supporting plate component of the mounting structure are respectively connected with a rack bottom plate through bolts; two ends of the bottom plate of the bench are respectively welded with a pair of trapezoidal nuts, long lead screws are screwed in respectively, two long lead screws on the left side prop against the outer side of the left supporting plate assembly, and two long lead screws on the right side prop against the outer side of the right supporting plate assembly; two pairs of trapezoidal nuts are welded in the middle of the rack bottom plate and screwed into the short lead screws respectively, the left two short lead screws prop against the inner side of the left supporting plate assembly, and the right two short lead screws prop against the inner side of the right supporting plate assembly. The utility model improves the universality, the fixing effect and the stability of the mounting structure.
Description
Technical Field
The utility model belongs to the technical field of new energy automobile driving motor load experiment equipment, and particularly relates to a mounting structure of a horizontal suspension motor on an NVH load test bed.
Background
The NVH test of the load working condition of the driving motor of the new energy automobile is an important working procedure in the offline detection of the motor, and relates to the performance of NVH in the automobile. The good constraint state ensures the reliability of the test result.
The new energy automobile driving motor is large in size and mass, and rigidity or suspension rubber cushion fixing is required to be carried out on the motor in a load test, particularly an NVH test.
The current mounting and fixing mode of the horizontal suspension motor on the load test bed is that a left L-shaped supporting plate and a right L-shaped supporting plate are adopted to be connected with the motor and the test bed, and the single supporting plate consists of a supporting plate bottom plate, two supporting plate side plates and a supporting plate vertical plate through welding. The pallet base plate is fixed with the test platform through bolt connection, and the pallet vertical plate is directly fixed with the motor or the suspension rubber cushion through bolt connection. The test fixture is connected with the motor and the test platform through bolts, and the sizes of the bottom plate of the supporting plate and the hole positions of the bolts are designed to depend on the form and the size of the test platform, so that the universality is poor.
During installation, one supporting plate needs to be fixed on a test platform, one end of a motor is suspended through a lifting device and connected with the supporting plate through a bolt, the other supporting plate is moved to the other side of the motor finally and connected through a bolt, the supporting plate is fixed on the test platform through the bolt, the process is time-consuming and high in labor cost, the supporting plate is not easy to move during installation, the centering of bolt holes of the left supporting plate and the right supporting plate and the motor suspension bolt holes is poor, and the motor fixing effect is poor.
In addition, the supporting plate is fixed on the test platform only by means of bolt connection, the normal constraint effect of the bolt connection is good, the tangential constraint effect is poor, the translation of the supporting plate cannot be effectively prevented, tool vibration is easily caused in the NVH load test process, and the test result is affected.
Disclosure of Invention
The utility model provides a mounting structure of a horizontal suspension motor on an NVH load test bed, which aims to solve the defects of the prior art and improve the universality, the fixing effect and the stability of the mounting structure.
The utility model solves the technical problems by the scheme that:
mounting structure of horizontal suspension motor on NVH load test bench, its characterized in that:
the left supporting plate component and the right supporting plate component are respectively connected with the rack bottom plate through bolts; two ends of the bottom plate of the bench are respectively welded with a pair of trapezoidal nuts, long lead screws are screwed in respectively, two long lead screws on the left side prop against the outer side of the left supporting plate assembly, and two long lead screws on the right side prop against the outer side of the right supporting plate assembly; two pairs of trapezoidal nuts are welded in the middle of the rack bottom plate and screwed into the short lead screws respectively, the left two short lead screws prop against the inner side of the left supporting plate assembly, and the right two short lead screws prop against the inner side of the right supporting plate assembly.
And lifting ring screws are arranged at four corners of the bench bottom plate.
The left support plate component and the right support plate component are of the structure: the device consists of a pallet bottom plate, two pallet side plates and a pallet vertical plate which are welded; the long lead screw or the short lead screw is propped against the bottom plate of the supporting plate.
A handle hole for inserting a handle is formed in one end of the long screw rod, and the handle hole of the long screw rod and a left supporting plate component or a right supporting plate component corresponding to the long screw rod are positioned on two sides of a trapezoidal nut corresponding to the long screw rod; one end of the short screw rod is provided with a handle hole for inserting a handle, and the handle hole of the short screw rod and the left supporting plate component or the right supporting plate component corresponding to the short screw rod are positioned at two sides of the trapezoidal nut corresponding to the short screw rod.
Advantageous effects
The utility model is suitable for test platforms in various different forms and sizes by adding the bench bottom plate as the transitional connection supporting plate and the test platform. The long lead screw and the short lead screw are arranged on the bottom plate of the rack, so that the supporting plate can be conveniently moved and limited, and the centering and fixing effects are good.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a side view of the present utility model;
fig. 3 is a top view of the present utility model.
[ reference numerals description ]
In the figure: 1: a long lead screw; 2: a trapezoidal nut; 3: a suspension ring screw; 4: a left pallet assembly; 5: a gantry base plate; 6: a short lead screw; 7: a right pallet assembly; 8: a handle.
Detailed Description
The utility model will be further described with reference to the drawings and the specific examples.
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other embodiments may be obtained according to these drawings without inventive effort for a person skilled in the art. In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
As shown in fig. 1, 2 and 3:
the test fixture consists of a long screw rod 1, a trapezoidal nut 2, a flying screw 3, a left supporting plate component 4, a rack bottom plate 5, a short screw rod 6, a right supporting plate component 7 and a handle 8.
The left supporting plate component 4 and the right supporting plate component 7 are of the structure: consists of a pallet bottom plate, two pallet side plates and a pallet vertical plate which are welded.
The left support plate assembly 4 and the right support plate assembly 7 are respectively connected with the rack bottom plate 5 through bolts, a pair of trapezoidal nuts 2 are respectively welded at two ends of the rack bottom plate 5, the long screw rods 1 are respectively screwed in, the two long screw rods 1 on the left side are propped against the outer side of the left support plate assembly 4, and the two long screw rods 1 on the right side are propped against the outer side of the right support plate assembly 7.
Two pairs of trapezoidal nuts 2 are welded in the middle of the bench bottom plate 5, the short lead screws 6 are screwed in respectively, the two short lead screws 6 on the left side are propped against the inner side of the left supporting plate assembly 4, and the two short lead screws 6 on the right side are propped against the inner side of the right supporting plate assembly 7.
A handle hole 9 is formed at one end of the long screw 1, and the left support plate component 4 or the right support plate component 7 corresponding to the long screw 1 and the handle hole 9 of the long screw 1 are positioned at two sides of the trapezoidal nut 2 corresponding to the long screw 1.
A handle hole 9 is formed at one end of the short screw rod 6, and the left support plate assembly 4 or the right support plate assembly 7 corresponding to the short screw rod 6 and the handle hole 7 of the short screw rod 6 are positioned at two sides of the trapezoidal nut 2 corresponding to the short screw rod 6.
The handle hole 9 can be inserted into the handle 8, and the user drives the handle 8 to rotate the screw rod, thereby achieving the telescopic effect.
The lifting screw 3 is arranged at four corners of the bench bottom plate 5, so that the movable bench bottom plate 5 can be conveniently lifted.
When in use, the utility model is characterized in that:
a rack base plate 5 is mounted to a test bed, a pallet assembly such as a left pallet assembly 4 is bolted to the rack base plate 5, and the pallet base plate of the left pallet assembly 4 is held against by a long lead screw 1 and a short lead screw 6 on the left side. The crane is used to move the motor to a proper height and is fixedly connected with the left supporting plate component 4 through bolts. The right support plate assembly 7 is driven to be closely attached to the motor by screwing the long lead screw 1 on the right side, the motor is connected to the right support plate assembly 7 by bolts, and the right support plate assembly 7 is fixed on the rack bottom plate 5 by bolts. All bolts are twisted tightly, and the long lead screw 1 and the short lead screw 6 on the right side are used for propping against the pallet bottom plate of the right pallet assembly 7, so that the limiting effect is achieved.
In other embodiments, the structure of the gantry base plate 5 may be of other topologies.
In other embodiments, the long lead screw 1 may be replaced by other pushing means, such as pneumatic or hydraulic telescopic rods or the like.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. Mounting structure of horizontal suspension motor on NVH load test bench, its characterized in that: the left supporting plate component and the right supporting plate component are respectively connected with the rack bottom plate through bolts; two ends of the bottom plate of the bench are respectively welded with a pair of trapezoidal nuts, long lead screws are screwed in respectively, two long lead screws on the left side prop against the outer side of the left supporting plate assembly, and two long lead screws on the right side prop against the outer side of the right supporting plate assembly; two pairs of trapezoidal nuts are welded in the middle of the rack bottom plate and screwed into the short lead screws respectively, the left two short lead screws prop against the inner side of the left supporting plate assembly, and the right two short lead screws prop against the inner side of the right supporting plate assembly.
2. The mounting structure of a horizontal suspension motor on an NVH load stand as claimed in claim 1, wherein: and lifting ring screws are arranged at four corners of the bench bottom plate.
3. The mounting structure of a horizontal suspension motor on an NVH load stand as claimed in claim 1, wherein: the left support plate component and the right support plate component are of the structure: the device consists of a pallet bottom plate, two pallet side plates and a pallet vertical plate which are welded; the long lead screw or the short lead screw is propped against the bottom plate of the supporting plate.
4. The mounting structure of a horizontal suspension motor on an NVH load stand as claimed in claim 1, wherein: a handle hole for inserting a handle is formed in one end of the long screw rod, and the handle hole of the long screw rod and a left supporting plate component or a right supporting plate component corresponding to the long screw rod are positioned on two sides of a trapezoidal nut corresponding to the long screw rod; one end of the short screw rod is provided with a handle hole for inserting a handle, and the handle hole of the short screw rod and the left supporting plate component or the right supporting plate component corresponding to the short screw rod are positioned at two sides of the trapezoidal nut corresponding to the short screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320469310.2U CN219649662U (en) | 2023-03-13 | 2023-03-13 | Mounting structure of horizontal suspension motor on NVH load test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320469310.2U CN219649662U (en) | 2023-03-13 | 2023-03-13 | Mounting structure of horizontal suspension motor on NVH load test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219649662U true CN219649662U (en) | 2023-09-08 |
Family
ID=87880566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320469310.2U Active CN219649662U (en) | 2023-03-13 | 2023-03-13 | Mounting structure of horizontal suspension motor on NVH load test bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219649662U (en) |
-
2023
- 2023-03-13 CN CN202320469310.2U patent/CN219649662U/en active Active
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