CN216942963U - Engine controller support - Google Patents
Engine controller support Download PDFInfo
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- CN216942963U CN216942963U CN202220350866.5U CN202220350866U CN216942963U CN 216942963 U CN216942963 U CN 216942963U CN 202220350866 U CN202220350866 U CN 202220350866U CN 216942963 U CN216942963 U CN 216942963U
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- engine controller
- bracket
- vibration
- damping
- support
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Abstract
The application provides an engine controller support, including the support main part, wherein be equipped with the damping bump leveller on the support main part. The application provides an engine controller support through increase the damping bump leveller on engine controller support, need not to change the mounted position of engine controller support, just can reach the purpose that reduces controller support low frequency vibration to solve the too big problem of controller support horizontal direction vibration, avoided vibrating the problem that arouses engine controller inefficacy and damage greatly.
Description
Technical Field
The utility model relates to the technical field of engine controller mounting devices, in particular to an engine controller support.
Background
In the prior art, the F engine controller is remotely installed, is fixed in a whole vehicle frame or a cab, and is connected with an engine and a whole vehicle through a wire harness. In light and medium duty truck applications, due to space constraints, and due to concerns about water, dust, and theft protection, the engine controls are mostly arranged on the frame rails via a control bracket, which is configured in an "L" shape, as shown in fig. 1 and 2.
The bottom of the L-shaped controller support is arranged on a frame longitudinal beam through 2 bolts, when the engine runs under a low-rotation-speed working condition, the main vibration frequency of the engine is low, the energy of the engine is large, the vibration of the engine is transmitted to the frame through the engine suspension, and then is transmitted to the controller support through the frame. Because the top of the L-shaped controller bracket and the frame have no fixed point and the rigidity of the top in the horizontal direction is small, the controller bracket is easy to vibrate excessively in the horizontal direction and even cause low-order modal resonance, thereby increasing the probability of failure or damage of the engine controller.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide an engine controller support, and the aim of reducing the low-frequency vibration of an L-shaped controller support can be fulfilled by adding a damping vibration absorber on the engine controller support without changing the installation position of the engine controller support, so that the problem of overlarge horizontal vibration of the L-shaped controller support is solved, and the problem of engine controller failure and damage caused by the overlarge vibration is avoided.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows:
an engine controller support comprises a support body, wherein a damping vibration absorber is arranged on the support body.
According to the engine controller bracket, the damping vibration absorber is additionally arranged on the engine controller bracket, and the aim of reducing the low-frequency vibration of the controller bracket can be fulfilled without changing the installation position of the engine controller bracket, so that the problem of overlarge vibration of the controller bracket in the horizontal direction is solved, and the problem of failure and damage of an engine controller caused by the overlarge vibration is avoided.
With respect to the above technical solution, further improvements as described below can be made.
According to the engine controller bracket of the utility model, in a preferred embodiment, the bracket main body is of an L-shaped structure, the extension part of the bracket main body in the horizontal direction is arranged on the frame longitudinal beam, the engine controller is arranged on the extension part of the bracket main body in the vertical direction, and the damping vibration absorber is arranged at a position close to the top of the engine controller.
Specifically, in order to solve the problem of large horizontal vibration of the top of the L-shaped engine controller support, a damping vibration absorber is added at a position close to the top of the engine controller, and when the top vibrates excessively, the vibration energy of the support is absorbed by using the inertia of a mass block and elastic damping in the damping vibration absorber, so that the vibration level of the support body is reduced to the greatest extent.
Specifically, in a preferred embodiment, the engine controller is fixed to the bracket main body using a damper bolt.
The vibration of the controller bracket can be further reduced by fixing the engine controller by the vibration reduction bolt.
In particular, in a preferred embodiment, the damped vibration absorber includes a mass and a damping elastic connection member, wherein the damping elastic connection member is connected with the mass and the bracket body, respectively.
The damping vibration absorber with the structure is simple in structure, easy to arrange and good in vibration attenuation effect.
Specifically, in a preferred embodiment, the damping elastic connecting part is a rubber bolt, and two ends of the rubber bolt are respectively connected with the mass block and the engine controller.
The damping elastic connecting part with the structure is simple in structure, easy to machine and manufacture and stable and reliable in connection.
Specifically, in a preferred embodiment, the rubber bolt structure is that two ends are studs, and the part between the studs comprises a vulcanized rubber material layer.
The rubber bolt with the structure can ensure higher structural strength and vibration reduction effect.
Specifically, in a preferred embodiment, the rigidity of the rubber bolt is 10-30N/mm, and the size phi of the part between the studs is 23-25 mm x 14-16 mm.
The rubber bolt within the structural parameter range can solve the problem that the vibration of the support main body in the horizontal direction is large within the range of 30-60 Hz to a great extent.
Specifically, in a preferred embodiment, the mass block has a weight of 50-100 g and an outer dimension of 159-161 mm 9-11 mm 29-31 mm.
The mass block within the structural parameter range can solve the problem that the support main body vibrates greatly in the horizontal direction within the range of 30-60 Hz to a great extent.
In particular, in another preferred embodiment, the damping elastic connection member is a spring structure.
The adoption of the spring structure can also play a good role in vibration reduction.
In particular, in another preferred embodiment, the damping resilient connecting member is a silicone oil damper.
The vibration of the engine controller bracket can be effectively reduced by adopting the silicone oil damper.
Compared with the prior art, the utility model has the advantages that: the aim of reducing the low-frequency vibration of the controller support can be achieved without changing the mounting position of the engine controller support, so that the problem of overlarge vibration of the controller support in the horizontal direction is solved, and the problems of failure and damage of an engine controller caused by the overlarge vibration are avoided.
Drawings
The utility model will be described in more detail hereinafter on the basis of embodiments and with reference to the drawings. Wherein:
FIGS. 1 and 2 schematically illustrate an overall assembly structure of an engine controller bracket in the prior art;
FIG. 3 schematically illustrates a simplified model of an engine controller mount according to an embodiment of the present invention;
FIG. 4 is a front view schematically showing an engine controller bracket according to an embodiment of the present invention;
FIG. 5 schematically illustrates a side view structure of an engine controller bracket according to an embodiment of the utility model;
fig. 6 schematically shows a sectional structure of the elastic connection member in the embodiment of the utility model.
In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
Detailed Description
The utility model will be further explained in detail with reference to the figures and the embodiments without thereby limiting the scope of protection of the utility model.
Fig. 3 schematically shows a simplified model of an engine controller bracket 10 according to an embodiment of the present invention. Fig. 4 schematically shows a front view structure of the engine controller bracket 10 of the embodiment of the present invention. Fig. 5 schematically shows a side view structure of the engine controller bracket 10 of the embodiment of the present invention. Fig. 6 schematically shows a sectional structure of the elastic connection member 22 in the embodiment of the present invention.
As shown in fig. 3 to 5, the engine controller bracket 10 according to the embodiment of the present invention includes a bracket body 1, wherein the bracket body 1 is provided with a damping vibration absorber 2. According to the engine controller bracket provided by the embodiment of the utility model, the damping vibration absorber is additionally arranged on the engine controller bracket, and the aim of reducing the low-frequency vibration of the controller bracket can be achieved without changing the installation position of the engine controller bracket, so that the problem of overlarge vibration of the controller bracket in the horizontal direction is solved, and the problem of failure and damage of an engine controller caused by the overlarge vibration is avoided.
As shown in fig. 4 and 5, specifically, in the present embodiment, the bracket body 1 is of an "L" shaped structure, the extension of the bracket body 1 in the horizontal direction is disposed on the frame rail, the engine controller 3 is disposed on the extension of the bracket body 1 in the vertical direction, and the damping vibration absorber 2 is disposed near the top of the engine controller 3. Specifically, in order to solve the problem of large horizontal vibration of the top of the L-shaped engine controller support, a damping vibration absorber is added at a position close to the top of the engine controller, and when the top vibrates excessively, the vibration energy of the support is absorbed by using the inertia of a mass block and elastic damping in the damping vibration absorber, so that the vibration level of the support body is reduced to the greatest extent.
As shown in fig. 5 and 6, specifically, in the present embodiment, the damped vibration absorber 2 includes a mass block 21 and a damping elastic connection member 22, wherein the damping elastic connection member 22 is connected with the mass block 21 and the engine controller 3, respectively. The damping vibration absorber with the structure is simple in structure, easy to arrange and good in vibration reduction effect. Specifically, in the present embodiment, the damping elastic connection member 22 is a rubber bolt, and both ends of the rubber bolt are connected to the mass block and the engine controller, respectively. The damping elastic connecting part with the structure is simple in structure, easy to machine and manufacture and stable and reliable in connection.
Specifically, in the present embodiment, the rubber bolt has two ends with studs, and the portion between the studs includes a layer of vulcanized rubber material. The rubber bolt with the structure can ensure higher structural strength and vibration reduction effect.
The engine controller mount 10 and the damped vibration absorber 2 are simplified into a dual mass spring system, a simplified model of which is shown in figure 3:
in the model, m1 is the total mass of the engine controller and the engine controller bracket, m2 is the mass of the mass block 21 in the damped vibration absorber 2, K1 is the horizontal stiffness of the bracket body 1, K2 is the stiffness of the damped elastic connecting part 22 in the damped vibration absorber 2, c is the damping of the damped vibration absorber 2, x1 and x2 are the vibration displacements of m1 and m2, respectively, and Fsin ω t is the excitation force.
The differential equation of the system motion is as follows
The purpose of the damped vibration absorber 2 is to minimize the amplitude x1 of the bracket body 1, and the relationship between the main parameters (m2, K2, c) of the damped vibration absorber 2 and x1 can be calculated according to the differential equation, specifically, the following m2, K2, c2Two mum1 
In the above results
xstController support static displacement
Specifically, the relation between the main parameters of the damping vibration absorber 2 and the amplitude of the engine controller bracket 10 can be calculated by utilizing the actual motion parameters of the engine controller and the engine controller bracket, the allowable amplitude of the engine controller 3 is determined according to actual requirements, the mass, the rigidity and the damping of the damping vibration absorber 2 are further determined, and finally the specific size of the damping vibration absorber is determined according to the determined parameters and the actual spatial position of the damping vibration absorber.
Specifically, in the embodiment, the rigidity of the rubber bolt is 10-30N/mm, and the size phi of the part between the studs is 23-25 mm and 14-16 mm. The rubber bolt within the structural parameter range can solve the problem that the support main body vibrates greatly in the horizontal direction within the range of 30-60 Hz to a great extent. Specifically, in the present embodiment, the mass block 21 has a weight of 50-100 g and an outer dimension of 159-161 mm 9-11 mm 29-31 mm. The mass block within the structural parameter range can solve the problem that the vibration of the support main body in the horizontal direction is large within the range of 30-60 Hz to a great extent.
Specifically, in the present embodiment, the engine controller 3 is fixed to the bracket main body 1 using a damper bolt. The vibration of the controller bracket can be further reduced by fixing the engine controller by the vibration reduction bolt.
In particular, in one embodiment, not shown, the damping elastic connection member is of a spring structure. The adoption of the spring structure can also play a good role in vibration reduction. In particular, in another embodiment, not shown, the damping elastic connection means are silicone oil dampers. The vibration of the engine controller bracket can be effectively reduced by adopting the silicone oil damper.
According to the embodiment, the aim of reducing the low-frequency vibration of the controller bracket can be fulfilled without changing the mounting position of the engine controller bracket, so that the problem of overlarge vibration of the controller bracket in the horizontal direction is solved, and the problem of failure and damage of the engine controller caused by the overlarge vibration is avoided.
While the utility model has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. An engine controller bracket, comprising a bracket main body; wherein the bracket main body is provided with a damping vibration absorber.
2. The engine controller bracket of claim 1, wherein said bracket body is an "L" shaped structure, said horizontal extension of said bracket body is disposed on said frame rails, said engine controller is disposed on said vertical extension of said bracket body, and said damped vibration absorbers are disposed near the top of said engine controller.
3. The engine controller bracket of claim 2, wherein the engine controller is secured to the bracket body with a vibration dampening bolt.
4. The engine controller mount according to any one of claims 1 to 3, wherein the damped vibration absorbers include a mass and a damped elastic connection member; wherein, the first and the second end of the pipe are connected with each other,
the damping elastic connecting part is respectively connected with the mass block and the bracket main body.
5. The engine controller bracket of claim 4, wherein the damping resilient connecting member is a rubber bolt.
6. The engine controller bracket of claim 5, wherein the rubber bolts are configured with studs at both ends, and the portion between the studs comprises a layer of vulcanized rubber material.
7. The engine controller bracket according to claim 6, wherein the rubber bolts have a rigidity of 10 to 30N/mm, and a dimension of a portion between the studs is 23 to 25mm x 14 to 16 mm.
8. The engine controller bracket according to claim 4, wherein the mass has a weight of 50-100 g and an outer dimension of 159-161 mm 9-11 mm 29-31 mm.
9. The engine controller mount of claim 4, wherein said dampening resilient coupling member is a spring structure.
10. The engine controller mount of claim 4, wherein the dampening elastomeric connection member is a silicone oil damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220350866.5U CN216942963U (en) | 2022-02-21 | 2022-02-21 | Engine controller support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220350866.5U CN216942963U (en) | 2022-02-21 | 2022-02-21 | Engine controller support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216942963U true CN216942963U (en) | 2022-07-12 |
Family
ID=82290292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220350866.5U Active CN216942963U (en) | 2022-02-21 | 2022-02-21 | Engine controller support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216942963U (en) |
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2022
- 2022-02-21 CN CN202220350866.5U patent/CN216942963U/en active Active
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