CN216033721U - Off-highway dump truck power assembly suspension system - Google Patents
Off-highway dump truck power assembly suspension system Download PDFInfo
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- CN216033721U CN216033721U CN202122837647.8U CN202122837647U CN216033721U CN 216033721 U CN216033721 U CN 216033721U CN 202122837647 U CN202122837647 U CN 202122837647U CN 216033721 U CN216033721 U CN 216033721U
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Abstract
The utility model discloses a suspension system of a power assembly of an off-highway dump truck, which is characterized by comprising an engine suspension system arranged on an engine and a transmission suspension system arranged on a transmission, wherein the engine suspension system comprises a left front suspension bracket and a right front suspension bracket which are arranged on two sides of the front end of the engine, the transmission suspension system comprises a left rear suspension bracket and a right rear suspension bracket which are arranged on two sides of the transmission, and the left rear suspension bracket and the right rear suspension bracket are symmetrically arranged on two sides of the mass center of the transmission in the width direction of the power assembly. The suspension system of the power assembly of the off-highway dumper avoids the over-positioning of the conventional power assembly suspension system, reduces the stress of the flywheel shell of the engine, has good vibration damping effect, is simple to install and is convenient for the maintenance of the engine and the transmission.
Description
Technical Field
The utility model relates to the field of power assembly suspension systems. More particularly, the present invention relates to an off-highway dump truck powertrain suspension system.
Background
At present, a great amount of off-highway mining dump trucks are used in mines, and compared with a highway heavy truck, the off-highway mining dump trucks have the advantages of large transportation capacity, low oil consumption, strong reliability and good comfort, and are popular with customers. However, the mine environment is complex, the working condition is severe, the requirement on the attendance rate of the vehicle is high, and the whole vehicle is required to have stable structural performance and simple maintenance.
The power assembly suspension system is the key for reducing the vibration transmitted to the vehicle body by the power assembly and improving the stability and the comfort of the whole vehicle. The existing power assembly suspension system comprises three-point suspension, four-point suspension and six-point suspension. The three-point suspension is generally two-point suspension on an engine and one-point suspension on a transmission, and has the advantages of low cost, light weight, good compliance effect, poor stability and stress balance and higher requirement on the strength of a transmission shell; the four-point suspension mode is generally two-point suspension on the engine and two-point suspension on the flywheel shell, the four-point suspension mode has better stability, but the compliance effect is not ideal as that of the three-point suspension, the vibration isolation performance is general, and the flywheel shell of the engine is stressed greatly and is easy to damage; the six-point suspension mode generally adopts two-point suspension at the front end of an engine, two-point suspension on a flywheel shell and two-point suspension on a transmission, and the suspension system can cause over-positioning and over-constraint on a power assembly and has high cost and large assembly difficulty. In consideration of the cost, the assembly requirement and the stability of the power assembly suspension system, the utility model improves the arrangement form of the power assembly suspension system based on the power assembly suspension system in a four-point suspension mode so as to improve the stability of the power assembly of the off-highway mining dump truck.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an off-highway dumper power assembly suspension system, which can effectively solve the problems.
To achieve these objects and other advantages and in accordance with the purpose of the utility model, a power assembly suspension system for an off-highway dump truck is provided, which includes an engine suspension system disposed on an engine and a transmission suspension system disposed on a transmission, the engine suspension system including a left front suspension bracket and a right front suspension bracket disposed on both sides of a front end of the engine, the transmission suspension system including a left rear suspension bracket and a right rear suspension bracket disposed on both sides of the transmission, wherein the left rear suspension bracket and the right rear suspension bracket are symmetrically disposed on both sides of a center of mass of the transmission in a width direction of the power assembly.
It is preferable that: the left front suspension bracket comprises a bracket F1 connected with an engine and a bracket F2 connected with a vehicle frame, and the bracket F1 is vertically connected with the bracket F2 through an engine shock absorber.
It is preferable that: the right front suspension bracket and the left front suspension bracket are symmetrically arranged, and the right front suspension bracket and the left front suspension bracket are identical in size, shape and structure.
It is preferable that: the left rear suspension bracket comprises a bracket B1 connected with a transmission and a bracket B2 connected with a vehicle frame, and the bracket B1 is vertically connected with the bracket B2 through a transmission damper.
It is preferable that: the right rear suspension bracket and the left rear suspension bracket are symmetrically arranged, and the right rear suspension bracket and the left rear suspension bracket are identical in size, shape and structure.
It is preferable that: the pair of brackets B2 provided on the transmission are symmetrically provided on both sides of the center of mass of the transmission in the width direction of the powertrain.
It is preferable that: the pair of brackets B2 provided on the transmission are connected by a cross member provided perpendicularly to the pair of brackets B2.
It is preferable that: the engine shock absorber is any one of a rubber shock absorber, a silicone oil shock absorber and an air spring shock absorber.
It is preferable that: the transmission damper is any one of a rubber damper, a silicone oil damper and an air spring damper.
The utility model at least comprises the following beneficial effects:
the suspension system of the power assembly of the off-highway dump truck adopts a four-point suspension form to support the engine and the transmission, namely suspension points are arranged on the left side and the right side of the front end of the engine and on the two sides of the center of mass of the transmission, so that the over-positioning of the conventional power assembly suspension system is avoided, the stress of a flywheel shell of the engine is reduced, the span of the front suspension point and the rear suspension point in the longitudinal direction of the whole truck is increased, the compliance of the power assembly suspension system is improved, the vibration damping effect is improved, and the suspension points on the transmission are symmetrically arranged on the two sides of the center of mass of the transmission in the width direction of the power assembly, so that the support rigidity and the vibration damping effect of the transmission are improved, and the stability of the power assembly system is enhanced. The suspension system of the power assembly of the off-highway dump truck is symmetrically arranged on the left side and the right side, adopts detachable connection, is simple to assemble, has low cost and is convenient for the maintenance of an engine and a transmission.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic structural view of an off-highway dump truck power assembly suspension system of the present invention.
Description of reference numerals: a1-engine; a 2-transmission; 1-scaffold F2; 2-an engine damper; 3-scaffold F1; 4-scaffold B2; 5-transmission damper; 6-support B1; 7-beam
Detailed Description
The present invention is further described in detail below with reference to examples so that those skilled in the art can practice the utility model with reference to the description.
It should be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other components or groups thereof.
In the description of the present invention, the terms "lateral", "longitudinal", "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, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or assembly referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, the utility model provides an off-highway dump truck powertrain suspension system, which comprises an engine suspension system arranged on an engine a1 and a transmission suspension system arranged on a transmission a2, wherein the engine suspension system comprises a left front suspension bracket and a right front suspension bracket which are arranged on two sides of the front end of the engine a1, the transmission suspension system comprises a left rear suspension bracket and a right rear suspension bracket which are arranged on two sides of a transmission a2, and the left rear suspension bracket and the right rear suspension bracket are symmetrically arranged on two sides of the center of mass of the transmission a2 in the width direction of the powertrain.
In the technical scheme, the left front suspension bracket and the right front suspension bracket on the engine A1 are arranged on two sides of the front end of the engine A1, the left rear suspension bracket and the right rear suspension bracket on the transmission A2 are symmetrically arranged on two sides of the center of mass of the transmission A2 in the width direction of the power assembly, the span of front and rear suspension points in the longitudinal direction of the whole vehicle is increased, the torsional rigidity of the power assembly suspension system is reduced, the compliance and the vibration absorption capacity of the power assembly suspension system are improved, the vibration absorption effect is better, the left rear suspension bracket and the right rear suspension bracket are arranged on two sides of the center of mass of the transmission A2, the supporting rigidity of the transmission A2 is enhanced, the power assembly suspension system is more stable, and the vibration absorption performance of the power assembly suspension system is improved.
In another technical scheme, the left front suspension bracket comprises a bracket F1 (3 in the drawing) connected with an engine A1 and a bracket F2 (1 in the drawing) used for being connected with a vehicle frame, and the bracket F1 is vertically connected with the bracket F2 through an engine shock absorber 2.
The right front suspension bracket and the left front suspension bracket are symmetrically arranged, and the right front suspension bracket and the left front suspension bracket are identical in size, shape and structure.
The left rear suspension bracket comprises a bracket B1 (6 in the drawing) connected with a transmission A2 and a bracket B2 (4 in the drawing) connected with a vehicle frame, and the bracket B1 and the bracket B2 are vertically connected through a transmission damper 5.
The right rear suspension bracket and the left rear suspension bracket are symmetrically arranged, and the right rear suspension bracket and the left rear suspension bracket are identical in size, shape and structure.
In the technical scheme, one end of a bracket F1 is provided with a mounting block 301, the mounting block 301 is provided with a mounting hole for fixing the bracket F1 on an engine A1, the other end of the bracket F1 is provided with a connecting bracket 302, one end of the connecting bracket 302 is vertically welded on the mounting block 301, and the other end of the connecting bracket 302 is provided with a through hole; [ z1] the mounting surface 101 of the bracket F2 is transitionally connected with the bottom surface 102 of the bracket F2 by a curved surface 103, the two sides of the bracket are fixedly connected by side plates 104 of the bracket F2 respectively, and the bottom surface 102 of the bracket F2 is provided with a through hole; the engine shock absorber 2 is cylindrical, and a through hole is formed in the center of the cylinder; when the engine shock absorber is installed, bolts sequentially penetrate through a through hole of the engine shock absorber 2, a through hole in the bracket F1 and a through hole in the bracket F2 to be fixed, so that the bracket F2 is connected with the bracket F1, and the bottom surface 102 of the bracket F2 is perpendicular to the installation block 301 of the bracket F1; one end of the bracket B1 is provided with a mounting seat 601, the mounting seat 601 is long-strip-shaped, two ends of the mounting seat are provided with mounting holes for fixing the bracket B1 on the transmission A2, the other end of the bracket B1 is provided with a connecting support 602, one end of the connecting support 602 is vertically welded on the mounting seat 601, and the other end of the connecting support 602 is provided with a through hole; the mounting surface 401 of the bracket B2 is vertically connected with the bottom surface 402 of the bracket B2, the two sides of the bracket B2 are respectively fixedly connected with the side plates 403 of the bracket B2, and the bottom surface 402 of the bracket B2 is provided with a through hole; the transmission damper 5 is cylindrical, and a through hole is formed in the center of the cylindrical core; during installation, bolts are sequentially used for penetrating through the through hole of the transmission damper 5, the through hole in the bracket B1 and the through hole in the bracket B2 to fix the bracket B2 and the bracket B1, and the bottom surface 402 of the bracket B2 is perpendicular to the mounting seat 601 of the bracket B1.
When the engine A1 of the engine suspension system receives vibration force in the vertical direction, the vibration force can be decomposed along the directions of all surfaces of the support F2 and the support B2, vibration reduction and stability of the power assembly suspension system are facilitated, the engine suspension system and the transmission suspension system are different in structural arrangement and elastic coefficient, and when vibration occurs, the different elastic coefficients can enable all the suspension systems to adapt to different deformation requirements when the same force is applied to all the suspension systems, so that the problem of over-positioning generated by the power assembly suspension system can be effectively solved. The right front suspension bracket and the left front suspension bracket are symmetrically arranged on two sides of an engine A1, the right rear suspension bracket and the left rear suspension bracket are symmetrically arranged on two sides of a transmission A2, the symmetrical structure enables a power assembly system to be stressed uniformly, elastic coefficients of the suspension brackets correspondingly and symmetrically arranged on two sides are kept consistent, balance of the left side and the right side of the engine A1 and the transmission A2 can be guaranteed, the engine A1 and the transmission A2 are in a stable state during vibration, and improvement of stability and vibration reduction performance of the power assembly suspension system of the off-highway dumper is facilitated.
In another technical scheme, the pair of brackets B2 arranged on the transmission a2 are symmetrically arranged on two sides of the center of mass of the transmission a2 in the width direction of the powertrain, so that the supporting rigidity of the bracket B2 on the entire transmission a2 is enhanced, the vibration absorption performance in the vertical direction is stronger, and the stability and the vibration absorption performance of the suspension system are effectively improved.
In another technical scheme, the pair of brackets B2 arranged on the transmission A2 are connected through a cross beam 7, and the cross beam 7 is vertically arranged with the pair of brackets B2.
Among the above-mentioned technical scheme, the support B2 on the left side of derailleur A2 and the support B2 on right side link into an organic whole through crossbeam 7, and crossbeam 7 both ends are equipped with the mounting hole, through bolt fixed connection in the support B2 top of both sides, and crossbeam 7 is all perpendicular with the support B2 of both sides, and installation crossbeam 7 makes derailleur suspension system rigidity stronger, and the structure is more stable, is favorable to off-highway tipper power assembly suspension system's stability ability.
In another technical scheme, the engine damper 2 is any one of a rubber damper, a silicone oil damper and an air spring damper.
The transmission damper 5 is any one of a rubber damper, a silicone oil damper and an air spring damper.
In the technical scheme, the engine shock absorber 2 and the transmission shock absorber 5 can be any one of a rubber shock absorber, a silicone oil shock absorber and an air spring shock absorber, and the specification models of the engine shock absorber 2 and the transmission shock absorber 5 can be the same or different; the specification and model of the engine shock absorbers 2 which are symmetrical on the two sides of the engine A1 are preferably the same; the transmission dampers 5 symmetrical on the two sides of the transmission A2 are preferably the same in specification and model.
While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the utility model pertains, and further modifications may readily be made by those skilled in the art, it being understood that the utility model is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (9)
1. The off-highway dump truck power assembly suspension system is characterized by comprising an engine suspension system arranged on an engine and a transmission suspension system arranged on a transmission, wherein the engine suspension system comprises a left front suspension bracket and a right front suspension bracket which are arranged on two sides of the front end of the engine, the transmission suspension system comprises a left rear suspension bracket and a right rear suspension bracket which are arranged on two sides of the transmission, and the left rear suspension bracket and the right rear suspension bracket are symmetrically arranged on two sides of the center of mass of the transmission in the width direction of the power assembly.
2. The off-highway dump truck powertrain suspension system of claim 1 wherein said front left suspension bracket comprises a bracket F1 for connection to an engine and a bracket F2 for connection to a vehicle frame, said bracket F1 being vertically connected to bracket F2 via an engine damper.
3. The off-highway dump truck powertrain suspension system of claim 2 wherein the right front suspension bracket and the left front suspension bracket are symmetrically disposed and are the same size, shape and configuration.
4. The off-highway dump truck powertrain suspension system of claim 1 wherein said left rear suspension bracket comprises bracket B1 for connection to a transmission and bracket B2 for connection to a vehicle frame, said bracket B1 being vertically connected to bracket B2 via a transmission damper.
5. The off-highway dump truck power assembly suspension system according to claim 4, wherein the right rear suspension bracket and the left rear suspension bracket are symmetrically arranged, and the right rear suspension bracket and the left rear suspension bracket are identical in size, shape and structure.
6. The off-highway dump truck powertrain suspension system of claim 5 wherein said pair of brackets B2 disposed on the transmission are symmetrically disposed on either side of the center of mass of the transmission in the width direction of the powertrain.
7. The off-highway dump truck powertrain suspension system of claim 5 wherein said pair of brackets B2 disposed on the transmission are connected by a cross beam, said cross beam disposed perpendicular to said pair of brackets B2.
8. The off-highway dump truck powertrain suspension system of claim 2 wherein said engine damper is any one of a rubber damper, a silicone oil damper, an air spring damper.
9. The off-highway dump truck powertrain suspension system of claim 4 wherein said transmission damper is any one of a rubber damper, a silicone oil damper, an air spring damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122837647.8U CN216033721U (en) | 2021-11-18 | 2021-11-18 | Off-highway dump truck power assembly suspension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122837647.8U CN216033721U (en) | 2021-11-18 | 2021-11-18 | Off-highway dump truck power assembly suspension system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216033721U true CN216033721U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122837647.8U Active CN216033721U (en) | 2021-11-18 | 2021-11-18 | Off-highway dump truck power assembly suspension system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216033721U (en) |
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2021
- 2021-11-18 CN CN202122837647.8U patent/CN216033721U/en active Active
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