CN220472918U - Commercial automobile engine suspension rigidity detects auxiliary device - Google Patents
Commercial automobile engine suspension rigidity detects auxiliary device Download PDFInfo
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- CN220472918U CN220472918U CN202321767899.0U CN202321767899U CN220472918U CN 220472918 U CN220472918 U CN 220472918U CN 202321767899 U CN202321767899 U CN 202321767899U CN 220472918 U CN220472918 U CN 220472918U
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- engine suspension
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- commercial vehicle
- engine
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- 239000000725 suspension Substances 0.000 title claims abstract description 63
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 4
- 239000010705 motor oil Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 10
- 230000003068 static effect Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a commercial automobile engine suspension rigidity detection auxiliary device, which comprises a supporting mechanism used for forming a supporting foundation of the commercial automobile engine suspension rigidity detection auxiliary device, wherein two groups of first mounting holes are formed in the supporting mechanism to meet the installation of suspension blocks of different hole sites, a pressing mechanism used for pressing an engine suspension is arranged at the top of the supporting mechanism, working machine connecting points in the X direction, the Y direction and the Z direction are arranged on the pressing mechanism, force is applied through the working machine, and a pressing block used for being rigidly connected with the engine suspension is arranged on the pressing mechanism; the engine suspension is used for simulating the assembly state of a real vehicle, the connecting points of working machines in the X direction, the Y direction and the Z direction are designed on the pressing and holding mechanism, and the loading of the force required by detection is completed through the force application of the working machines, so that the static and dynamic rigidity test detection of the suspension is carried out; adopt the briquetting of quick change, can customize different briquetting according to the engine mount upside mounting means difference of difference through the briquetting, realize the commonality that the product detected.
Description
Technical Field
The utility model relates to the technical field of automobile tools, in particular to an auxiliary device for detecting suspension rigidity of a commercial automobile engine.
Background
Along with the improvement of road environment and the gradual strictness of energy saving and emission reduction standards, the automobile is developed towards high torque and light weight, and further the phenomenon of engine shake is more prominent, so that the riding comfort of the automobile is seriously affected. The engine suspension is a supporting body connected between the engine and the frame, and has the functions of supporting, limiting and vibration isolation.
The suspension of the automobile engine is a key part of a power assembly system, and the strength and the rigidity of the automobile under different working conditions need to be met. If the engine suspension stiffness is insufficient, the natural frequency of the suspension bracket is lower than the working speed range of the engine, and the suspension bracket can generate resonance, so that the noise in the automobile is large, and therefore, the stiffness is one of important indexes of the engine suspension bracket.
In order to verify whether the accuracy of simulation and the quality of parts meet the design requirements, the suspension static and dynamic stiffness characteristics are tested for detection. The test is carried out on a three-channel coordination loading test bed, in order to better simulate the real vehicle state and improve the test accuracy, an auxiliary tool is required to be designed based on the test bed, and the suspension static and dynamic stiffness test detection is completed through the force application in the X, Y, Z direction and the compound direction. Because the engine model is more, the suspension structure is more, and the commonality of frock is also especially important.
Therefore, we propose a commercial car engine suspension rigidity detection auxiliary device.
Disclosure of Invention
The utility model aims to provide an auxiliary device for detecting the suspension rigidity of a commercial automobile engine, which is used for solving the problems of the background technology.
In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:
a commercial vehicle engine suspension stiffness detection aid comprising:
the supporting mechanism for forming the supporting foundation of the auxiliary device for detecting the suspension stiffness of the commercial automobile engine is provided with two groups of first mounting holes so as to meet the installation of suspension blocks of different hole sites, the top of the supporting mechanism is provided with a pressing mechanism for pressing the suspension of the engine, the pressing mechanism is provided with working machine connecting points in the X direction, the Y direction and the Z direction and applies force through the working machine, and the pressing mechanism is provided with a pressing block which is rigidly connected with the suspension of the engine.
As the preferable technical scheme, supporting mechanism includes support and bottom plate, the support is the structure of falling T shape, the support is at the top symmetry fixedly connected with two of bottom plate, forms the assembly space of engine suspension between two supports, two sets of first mounting hole is seted up respectively on two supports.
As an optimal technical scheme, a connecting rod is fixedly connected between the two brackets.
As a preferable technical scheme, the support is welded with a supporting plate.
As the preferable technical scheme, the pressing mechanism comprises a pressing plate positioned at the top of the bracket, two sides and the front side of the pressing plate are welded with side plates, the side plates positioned on the right side and the side plates positioned on the front side are welded with connecting seats, and second mounting holes for being connected with the working engine oil cylinder are formed in the pressing plate and the two connecting seats.
As an optimal technical scheme, the pressing block is arranged on two sides of the bottom of the pressing plate.
The auxiliary device for detecting the suspension rigidity of the engine of the commercial vehicle according to claim, wherein the auxiliary device comprises the following components: the three second mounting holes correspond to working machine connecting points in the X direction, the Y direction and the Z direction respectively, and are located at elastic center coordinate positions of an engine suspension mounted on a support respectively.
The utility model has at least the following beneficial effects:
the utility model has the beneficial effects that the engine suspension is arranged on the supporting mechanism to simulate the assembly state of the real vehicle, the pressing mechanism is provided with working machine connecting points in the X direction, the Y direction and the Z direction, the force is applied by the working machine to finish the loading of the force required by the detection, and the static and dynamic rigidity test detection of the suspension is carried out; the two groups of mounting holes on the two sides of the supporting mechanism can meet the mounting requirements of the suspension blocks with different hole sites, and the structure of the suspension blocks is an internal thread mounting hole or a thread via hole structure, so that the suspension blocks can be effectively mounted; adopt the briquetting of quick change, can be according to the different briquetting of different engine mount upside mounting means different customization through the briquetting, avoid the assembly in-process to interfere, realize the commonality that the product detected.
Drawings
FIG. 1 is a schematic perspective view of a commercial vehicle engine suspension stiffness detection auxiliary device;
FIG. 2 is a schematic perspective view of a support mechanism in a commercial vehicle engine suspension stiffness detection auxiliary device according to the present utility model;
FIG. 3 is a schematic perspective view of a pressing mechanism in a commercial vehicle engine suspension stiffness detection auxiliary device;
fig. 4 is a schematic structural perspective view of a pressing block in the auxiliary device for detecting the suspension stiffness of the engine of the commercial vehicle.
In the figure: 1. a support mechanism; 11. a bracket; 12. a bottom plate; 13. a connecting rod; 14. a supporting plate; 2. a pressing and holding mechanism; 21. a pressing plate; 22. a side plate; 23. a connecting seat; 3. and (5) briquetting.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, an embodiment of the present utility model provides a device for assisting detection of suspension stiffness of an engine of a commercial vehicle, including: the device comprises a supporting mechanism 1 for forming a supporting base of the commercial automobile engine suspension stiffness detection auxiliary device, a pressing mechanism 2 for pressing the engine suspension and a pressing block 3 for rigidly connecting the pressing mechanism 2 with the engine suspension, wherein the pressing mechanism 2 is arranged at the top of the supporting mechanism 1, the pressing block 3 is arranged on the pressing mechanism 2, two groups of first mounting holes are formed in the supporting mechanism 1 so as to meet the installation of suspension blocks of different hole sites, and the pressing mechanism 2 is provided with working machine connecting points in the X direction, the Y direction and the Z direction and applies force through a working machine.
The supporting mechanism 1 comprises a support 11 and a bottom plate 12, wherein the support 11 is of an inverted T-shaped structure, two supports 11 are symmetrically and fixedly connected to the top of the bottom plate 12, an engine suspension assembly space is formed between the two supports 11, and two groups of first mounting holes are respectively formed in the two supports 11.
Wherein, two symmetrically arranged connecting rods 13 are fixedly connected between the two brackets 11, so that the strength safety and reliability of the brackets 11 can be ensured.
Wherein, four symmetrically arranged supporting plates 14 are welded on the bracket 11, so that the strength safety and reliability of the bracket 11 can be further ensured.
The pressing mechanism 2 comprises a pressing plate 21 positioned at the top of the bracket 11, side plates 22 are welded on both sides and the front side of the pressing plate 21, connecting seats 23 are welded on both the side plate 22 positioned on the right side and the side plate 22 positioned on the front side, and second mounting holes for connecting with a working engine oil cylinder are formed in the pressing plate 21 and the two connecting seats 23.
Wherein, briquetting 3 all installs one through 4M 10 bolts in the both sides of clamp plate 21 bottom, realizes pressing the connection of holding mechanism 2 and engine suspension, can realize the switching of different engine suspensions through changing briquetting 3, realizes the commonality that the product detected.
The three second mounting holes correspond to the working machine connecting points in the X direction, the Y direction and the Z direction respectively, and are located at the elastic center coordinate positions of the engine suspension mounted on the bracket 11 respectively, so that the loading force in the test process is ensured to be more consistent with the real vehicle state and the CAE simulation state, and the obtained test is accurate and reliable.
The working principle of the utility model is as follows: the engine suspension is arranged on the two brackets 11, the assembly state on the real vehicle longitudinal beam is simulated, the detected engine suspension mounting hole is provided with a through hole and an internal thread hole, and the assembly space is reserved between the two brackets 11, so that the problem of tool universality can be effectively solved; different pressing blocks 3 are customized according to different mounting modes of the upper side of the engine suspension, and the matched pressing blocks 3 are connected with the pressing plate 21 through 4M 10 bolts; the rigidity curve under the stress condition of the composite direction can be tested by connecting the Z-direction acting machine with the pressing plate 21, loading and testing the Z-direction rigidity, connecting the X-direction acting machine with the connecting seat 23 positioned on the right side, connecting the Y-direction acting machine with the connecting seat 23 positioned on the front side, and loading the X-direction and the Y-direction.
None of the utility models are related to the same or are capable of being practiced in the prior art. Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A commercial vehicle engine suspension stiffness detection aid, comprising:
a supporting mechanism (1) for forming this commercial car engine suspension rigidity detects auxiliary device support basis is equipped with the installation of the suspension piece that two sets of first mounting holes in order to satisfy different hole sites on it, the top of supporting mechanism (1) is equipped with and is used for compressing tightly engine suspension hold mechanism (2), be equipped with on holding mechanism (2) X to, Y to and the work machine tie point of Z to the three aspect and apply force through the work machine, hold mechanism (2) on be equipped with be used for with engine suspension rigid connection's briquetting (3).
2. The commercial vehicle engine suspension stiffness detection assisting device according to claim 1, wherein: the supporting mechanism (1) comprises a support (11) and a bottom plate (12), the support (11) is of an inverted T-shaped structure, the support (11) is symmetrically and fixedly connected with two supports at the top of the bottom plate (12), an engine suspension assembly space is formed between the two supports (11), and two groups of first mounting holes are respectively formed in the two supports (11).
3. The commercial vehicle engine suspension stiffness detection assisting device according to claim 2, wherein: a connecting rod (13) is fixedly connected between the two brackets (11).
4. The commercial vehicle engine suspension stiffness detection assisting device according to claim 2, wherein: and a supporting plate (14) is welded on the bracket (11).
5. The commercial vehicle engine suspension stiffness detection assisting device according to claim 2, wherein: the pressing mechanism (2) comprises a pressing plate (21) positioned at the top of the bracket (11), side plates (22) are welded on two sides and the front side of the pressing plate (21), connecting seats (23) are welded on the right side of the side plates (22) and the front side of the side plates (22), and second mounting holes for being connected with working engine oil cylinders are formed in the pressing plate (21) and the two connecting seats (23).
6. The commercial vehicle engine suspension stiffness detection assisting device according to claim 5, wherein: the pressing block (3) is arranged on two sides of the bottom of the pressing plate (21).
7. The commercial vehicle engine suspension stiffness detection assisting device according to claim 5, wherein: the three second mounting holes correspond to working machine connecting points in the X direction, the Y direction and the Z direction respectively, and are located at elastic center coordinate positions of an engine suspension mounted on the bracket (11) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321767899.0U CN220472918U (en) | 2023-07-06 | 2023-07-06 | Commercial automobile engine suspension rigidity detects auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321767899.0U CN220472918U (en) | 2023-07-06 | 2023-07-06 | Commercial automobile engine suspension rigidity detects auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220472918U true CN220472918U (en) | 2024-02-09 |
Family
ID=89779924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321767899.0U Active CN220472918U (en) | 2023-07-06 | 2023-07-06 | Commercial automobile engine suspension rigidity detects auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220472918U (en) |
-
2023
- 2023-07-06 CN CN202321767899.0U patent/CN220472918U/en active Active
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