CN114013266B - Power assembly suspension system, installation method and vehicle - Google Patents
Power assembly suspension system, installation method and vehicle Download PDFInfo
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- CN114013266B CN114013266B CN202111586851.5A CN202111586851A CN114013266B CN 114013266 B CN114013266 B CN 114013266B CN 202111586851 A CN202111586851 A CN 202111586851A CN 114013266 B CN114013266 B CN 114013266B
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- connecting seat
- pin
- power assembly
- support
- shock absorber
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- 239000000725 suspension Substances 0.000 title claims abstract description 31
- 238000009434 installation Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000035939 shock Effects 0.000 claims abstract description 73
- 239000006096 absorbing agent Substances 0.000 claims abstract description 72
- 125000006850 spacer group Chemical group 0.000 claims description 14
- 238000005266 casting Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000002955 isolation Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 10
- 238000003754 machining Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
- B60K5/12—Arrangement of engine supports
- B60K5/1208—Resilient supports
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention discloses a power assembly suspension system, an installation method and a vehicle, comprising a front support, a rear support and a plurality of shock absorbers; the front support and the rear support are respectively connected with the power assembly, and the shock absorbers are arranged between the frame and the front and rear supports to realize the support of the power assembly; the rear support comprises a rear bracket, a connecting seat and a pin shaft; the rear support is fixedly arranged on the side face of the power assembly, the connecting seat is connected with the rear support through the pin shaft, and the connecting seat is connected with a plurality of corresponding shock absorbers below the rear support, so that a plurality of shock absorber supporting points are combined into one supporting point. Through the mode, the problem of over-positioning can be avoided under the condition that the bearing performance is not affected, and the vibration isolation effect and the service life of the shock absorber are improved.
Description
Technical Field
The invention relates to a power assembly suspension system, and belongs to the technical field of vehicles.
Background
For mechanically driven vehicles, the power assembly comprises an engine and a gearbox, is a source of the driving force of the whole vehicle, drives wheels to rotate through high-speed rotation of the engine and speed and torque control of the gearbox, and is the most core component of the whole vehicle. The engine can generate great vibration during operation, and the influence on other components needs to be reduced through a reliable elastic suspension system. The engine and gearbox are rigidly connected together and may be considered as a whole when designing the suspension system.
For small vehicles, the front and rear supports of the powertrain suspension system typically each have a single shock absorber disposed, but for heavy-duty dump trucks, the rear support is relatively heavy-duty to carry the front support, and typically the rear support has a double shock absorber disposed. The structure which is commonly used at present is shown in fig. 1 (1) and (2), wherein the power assembly is provided with a front supporting leg and a rear supporting leg, the front supporting leg is connected with a frame through a single shock absorber, the rear supporting leg is connected with the frame through a double shock absorber, the schematic diagram of the structure is shown in fig. 1 (3), the power assembly is equivalent to a rigid beam, and the power assembly is supported through 3 (single side) supporting points. The following 3 points are problems with this structure: (1) 3 supporting points of one rigid beam are over-positioned; (2) The uniformity of the heights and angles of the three supporting positions is difficult to ensure, so that the shock absorber is stressed unevenly, and the vibration isolation effect and the service life are influenced.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a vehicle power assembly suspension system.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows:
the invention discloses a power assembly suspension system, which comprises a front support, a rear support and a plurality of shock absorbers;
the front support and the rear support are respectively connected with the power assembly, and the shock absorbers are arranged between the frame and the front and rear supports to realize the support of the power assembly; the rear support comprises a rear bracket, a connecting seat and a pin shaft;
the rear support is fixedly arranged on the side face of the power assembly, the connecting seat is connected with the rear support through the pin shaft, and the connecting seat is connected with a plurality of corresponding shock absorbers below the rear support, so that a plurality of shock absorber supporting points are combined into one supporting point.
The preferable scheme is as follows: the rear bracket is formed by integrally casting or welding two transverse plates, two longitudinal plates and a mounting plate; the two transverse plates are arranged in parallel at intervals, and the connecting seat is assembled between the two transverse plates; the two transverse plates are respectively provided with a pin hole, and the two pin holes are used for installing the pin shafts; the mounting plate is matched with a mounting plane on the power assembly and is fixedly mounted on the side face of the power assembly through a fastener.
The preferable scheme is as follows: the two pin holes are coaxial, and the pin hole axis of the two pin holes is perpendicular to the mounting plate.
The preferable scheme is as follows: the connecting seat is formed by integrally casting or welding a mounting plate and a pin hole seat; the pin holes on the pin hole seat are matched with the pin holes on the rear bracket and are used for installing pin shafts so as to connect the rear bracket with the connecting seat; the mounting plate is matched with the top surface of the shock absorber, and the shock absorber is connected with the mounting plate through a fastener.
The preferable scheme is as follows: the connecting seat is formed by integrally casting or welding a mounting plate and a bearing seat; the bearing seat is internally provided with a joint bearing, and the bearing hole is internally provided with two bearing snap spring grooves for installing bearing snap springs so as to limit the position of the joint bearing; the mounting hole on the knuckle bearing is matched with the pin hole on the rear bracket and is used for mounting a pin shaft so as to connect the rear bracket and the connecting seat; the mounting plate is matched with the top surface of the shock absorber, and the shock absorber is connected with the mounting plate through a fastener.
The preferable scheme is as follows: the head of the pin shaft is provided with a shaft snap spring groove for fixing the snap spring and preventing the pin shaft from moving and falling off.
The preferable scheme is as follows: and a space ring is sleeved in the pin shaft between the connecting seat and the rear bracket.
The invention also discloses a method for installing the power assembly suspension system, which is characterized by comprising the following steps:
firstly, connecting a front support and a rear support on a designated mounting position on a power assembly through bolts; installing a plurality of shock absorbers in shock absorber installation holes appointed on a frame; the connecting seat is fixed on the two shock absorbers below the rear support through bolts; the lifting power assembly is aligned with the shock absorber mounting hole on the front support, and the front support and the shock absorber are fixed through bolts; aligning pin shaft holes on the rear support and the connecting seat, placing a spacer ring in a gap between the rear support and the connecting seat, placing one spacer ring on each of two sides of the connecting seat, and installing a pin shaft when the axes of pin holes on the rear support, the connecting seat and the two spacer rings are coincident; and finally, fixing the snap spring in a shaft snap spring groove on the pin shaft, and completing system installation.
The invention also discloses a method for installing the power assembly suspension system, which is characterized by comprising the following steps:
firstly, connecting a front support and a rear support on a designated mounting position on a power assembly through bolts; installing a plurality of shock absorbers in shock absorber installation holes appointed on a frame; installing the knuckle bearing into the bearing hole, and installing two bearing snap springs; the connecting seat is fixed on the two shock absorbers below the rear support through bolts; the lifting power assembly is aligned with the shock absorber mounting hole on the front support, and the front support and the shock absorber are fixed through bolts; aligning inner holes of the rear bracket and the joint bearing, placing a spacer ring in a gap between the rear bracket and the joint bearing, placing one spacer ring on each of two sides of the joint bearing, and installing a pin shaft when axes of pin holes on the rear bracket, the joint bearing and the two spacer rings are coincident; and finally, fixing the pin shaft snap spring in a shaft snap spring groove on the pin shaft, and completing system installation.
The invention also discloses a vehicle provided with the power assembly suspension system.
Based on the application of the technical scheme, the invention has the following beneficial effects compared with the prior art:
the invention solves the problem of over-positioning during installation in the prior art, improves the damping effect and prolongs the service life of the damper, and specifically comprises the following steps: a connecting seat and a pin shaft hinge structure are designed in the rear support, the connecting seat combines two corresponding shock absorber supporting points of the rear support into one supporting point, and the connecting seat is connected with the rear support through the pin shaft, so that the problem of over-positioning is avoided under the condition that the bearing performance is not affected; furthermore, the joint bearing is arranged in the connecting seat, so that the machining precision of the rear bracket and the connecting seat can be greatly reduced, the installation difficulty is reduced, and the vibration isolation effect and the service life of the shock absorber are improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort.
In the drawings:
FIG. 1 is a schematic diagram of a prior art powertrain suspension system of the present invention ((1) front view, (2) top view, and (3) schematic diagram);
FIG. 2 is a schematic diagram of a powertrain suspension system according to one embodiment of the present invention ((1) front view, (2) top view, and (3) schematic diagram);
FIG. 3 is a cross-sectional view of a rear support structure according to a first embodiment of the present invention;
FIG. 4 is a rear frame structure according to a first embodiment of the present invention;
FIG. 5 is a diagram illustrating a first embodiment of a connector structure according to the present invention;
fig. 6 is a pin structure of a first embodiment of the present invention;
FIG. 7 is a schematic diagram of a second embodiment of a powertrain suspension system according to the present invention ((1) front view, (2) top view, and (3) schematic diagram);
FIG. 8 is a cross-sectional view of a rear support structure of a second embodiment of the present invention;
fig. 9 is a structure of a connection seat according to a second aspect of the present invention.
Reference numerals illustrate: m1, a power assembly; m2, a frame; m3, a damper; a1, front support; a2, back support; b1, front support; b2, back support; b2-1, a rear bracket; b2-2, a connecting seat; b2-3, spacer ring; b2-4, pin shafts; b2-5, pin shaft snap springs; b2-1-1, pin hole; b2-1-2, a mounting surface; b2-1-3, pin hole axis; b2-2-1, pin hole; b2-2-2, a mounting surface; b2-2-3, pin hole axis; b2-4-1, a shaft snap spring groove; c1, front support; c2, back support; c2-1, a rear bracket; c2-2, a connecting seat; c2-3, a knuckle bearing; c2-4, a bearing clamp spring; c2-5, a spacer bush; c2-6, a pin shaft; c2-7, a pin clamp spring; c2-2-1, bearing hole; c2-2-2, the installation surface; c2-2-3, bearing hole axis; c2-2-4, a bearing snap spring groove.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
It is explained here that the powertrain M1 comprises an engine and a gearbox, which are rigidly connected together by bolts, and the powertrain M1 is considered as a whole when designing the suspension system.
Fig. 1 (1) and fig. 2 show a suspension system structure of a power assembly commonly used in the prior art, wherein a front support A1 and a rear support A2 are symmetrically arranged, and are rigidly connected to the side surface of the power assembly M1 through bolts, then the power assembly M1 is supported on a frame M2 through 6 shock absorbers M3, and the shock absorbers are placed between the front support A1, the rear support A2 and the frame M2 to play a vibration isolation role. The front support A1 is supported by a single shock absorber, and the rear support A2 is supported by a double shock absorber. FIG. 1 (3) is a schematic diagram of a single-sided support of the system, wherein the powertrain may be configured as a rigid rod, with the triangle representing the shock absorber and the long horizontal line above the triangle representing the powertrain. In general, two rigid rod structures are respectively provided with one supporting point, and the system is provided with three supporting points, so that the problem of over-positioning exists. The method is a result of mutual compromise of all parameters in the actual use process, and is widely applied to the field of heavy mining dumpers at present. The system has the over-positioning condition, and the accuracy of the height and the angle of each shock absorber mounting surface is difficult to ensure, so that the vibration isolation effect and the service life of the shock absorber are affected.
In order to solve the problems, the invention provides a novel power assembly suspension system, wherein a front support is a single shock absorber, the structural form is the same as that of the prior art, a rear support is a double shock absorber structure, the structure is hinged with a pin shaft, the over-positioning problem in the prior art can be eliminated, and the following two specific embodiments are referred to.
Embodiment one:
as shown in fig. 2 and 3, the powertrain suspension system of the present invention includes a front support B1 and a rear support B2, and 6 shock absorbers M3 interposed between the frame M2 and the front and rear supports, supporting the powertrain M1. The rear support B2 comprises a rear support B2-1, a connecting seat B2-2, a spacing ring B2-3, a pin shaft B2-4 and a pin shaft clamp spring B2-5.
Fig. 2 (3) is a schematic diagram of the system, a pin hinge structure is added to the rear support, two shock absorbers below the rear support are first combined through a connecting seat B2-2, and the connecting seat B2-2 is connected with a rear support B2-1 through a pin B2-4, so that two shock absorber supporting points are combined into one supporting point.
A preferred embodiment of the above embodiment with respect to the rear bracket is given below:
FIG. 4 shows the structure of the rear bracket B2-1, which is formed by integrally casting or welding two transverse plates, two longitudinal plates and a mounting plate; the two transverse plates are arranged in parallel at intervals, and the connecting seat is assembled between the two transverse plates; the two transverse plates are respectively provided with a pin hole, the two pin holes B2-1-1 are used for installing the pin shafts B2-4, the installation surfaces B2-1-2 are matched with side installation positions on the power assembly, the two transverse plates are fixedly installed on two sides of the power assembly M1 through bolts, and the structure requires pin hole axes B2-1-3 to be perpendicular to the plane of the installation surfaces B2-1-2.
A preferred embodiment of the above embodiment with respect to the connection base is given below:
FIG. 5 shows the structure of the connecting seat B2-2, wherein the connecting seat B2-2 is formed by integrally casting or welding a mounting plate and a pin hole seat; the pin hole B2-2-1 is matched with the pin hole B2-1-1 on the rear bracket B2-1 and is used for installing the pin shaft B2-4 so as to connect the rear bracket B2-1 with the connecting seat B2-2. The mounting surface B2-2-2 mates with the top surface of the shock absorber M3. The pin bore axis B2-2-3 is parallel to the mounting face B2-2-2.
A preferred embodiment of the above embodiment with respect to the pin is given below:
fig. 6 shows the structure of the pin shaft B2-4, and a shaft snap spring groove B2-4-1 is formed in the head of the pin shaft. The clamp spring B2-5 is used for fixing the clamp spring B2-5, and the pin shaft B2-4 is prevented from moving and falling off.
The power assembly suspension system installation step: firstly, connecting a front support B1 and a rear support B2-1 on a designated mounting position on a power assembly M1 through bolts; 6 shock absorbers M3 are installed in shock absorber installation holes appointed on the frame M2; the connecting seat B2-2 is fixed on two shock absorbers below the rear support through bolts; the lifting power assembly M1 is aligned with a damper mounting hole on the front support B1, and the front support B1 and the damper M3 are fixed through bolts; aligning pin shaft holes on the rear bracket B2-1 and the connecting seat B2-2, placing the spacing rings B2-3 in a gap between the rear bracket B2-1 and the connecting seat B2-2, placing one on each side of the connecting seat B2-2, and installing the pin shafts B2-4 when the axes of pin holes on the rear bracket B2-1, the connecting seat B2-2 and the two spacing rings B2-3 are coincident; finally, the clamp spring B2-5 is fixed in a shaft clamp spring groove B2-4-1 on the pin shaft B2-4, and the system installation is completed. The function of the space ring B2-3 is to prevent the left and right movement of the rear bracket B2-1, thereby improving the safety and the convenience of assembly.
Embodiment two:
as shown in fig. 7 and 8, a powertrain suspension system includes a front support C1 and a rear support C2, with 6 shock absorbers M3 interposed between the frame M2 and the front and rear supports, supporting the powertrain M1. The rear support C2 comprises a rear support C2-1, a connecting seat C2-2, a joint bearing C2-3, a bearing clamp spring C2-4, a spacing ring 2-5, a pin shaft C2-6 and a pin shaft clamp spring C2-7. The connecting seat C2-2 combines two corresponding shock absorber supporting points below the rear support C2 into a supporting point, and the connecting seat C2-2 is connected with the rear support C2-1 through the pin shaft C2-6. Compared with the first embodiment, the joint bearing C2-3 is added in the connecting seat, so that part of machining errors of the rear bracket C2-1 and the connecting seat C2-2 can be eliminated, and the shock absorption effect and the service life of the shock absorber are improved. The principle of the system is consistent with that of the first embodiment.
The structure of the rear bracket C2-1 is the same as that of the rear bracket B2-1 of the first embodiment, and will not be described in detail here.
FIG. 9 shows the structure of the connection seat C2-2, wherein the bearing hole C2-2-1 is used for installing the knuckle bearing C2-3; two bearing snap spring grooves C2-2-4 are formed in the bearing hole C2-2-1 and are used for limiting the position of the joint bearing C2-3; the mounting surface C2-2-2 mates with the top surface of the shock absorber M3. The bearing bore axis C2-2-3 is parallel to the mounting face C2-2-2.
The structure of the pin C2-6 is the same as that of the pin B2-4 of the first embodiment, and will not be described in detail here.
The power assembly suspension system installation step: firstly, connecting a front support C1 and a rear support C2-1 on a designated mounting position on a power assembly M1 through bolts; 6 shock absorbers M3 are installed in shock absorber installation holes appointed on the frame M2; installing a joint bearing C2-3 into a bearing hole C2-2-1, and installing two bearing snap springs C2-4; the connecting seat C2-2 is fixed on two shock absorbers M3 below the rear support through bolts; the lifting power assembly M1 is aligned with a damper mounting hole on the front support C1, and the front support C1 and the damper M3 are fixed through bolts; aligning inner holes of the rear bracket C2-1 and the joint bearing C2-3, placing a space ring C2-5 in a gap between the rear bracket C2-1 and the joint bearing C2-3, placing one on each side of the joint bearing C2-3, and installing a pin shaft C2-6 when axes of pin holes on the rear bracket C2-1, the joint bearing C2-3 and the two space rings C2-3 are coincident; and finally, fixing the pin shaft clamp spring C2-7 in a shaft clamp spring groove on the pin shaft C2-6, and completing system installation. The function of the space ring C2-5 is to prevent the left and right movement of the rear bracket C2-1, and improve the safety and the convenience of assembly.
In summary, the invention solves the problem of over-positioning during installation in the prior art, improves the damping effect and prolongs the service life of the damper, and is specifically as follows: a connecting seat and a pin shaft hinge structure are designed in the rear support, the connecting seat combines two corresponding shock absorber supporting points of the rear support into one supporting point, and the connecting seat is connected with the rear support through the pin shaft, so that the problem of over-positioning is avoided under the condition that the bearing performance is not affected; furthermore, the joint bearing is arranged in the connecting seat, so that the machining precision of the rear bracket and the connecting seat can be greatly reduced, the mounting difficulty is reduced, and the reliability of the system is improved.
In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features contained in other embodiments, but not others, combinations of features of different embodiments are equally meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the above embodiments in combination according to known technical solutions and technical problems to be solved by the present application.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any simple modification, equivalent variation and variation of the above embodiments according to the technical matter of the present invention without departing from the scope of the invention.
Claims (9)
1. A powertrain suspension system characterized by:
comprises a front support, a rear support and a plurality of shock absorbers;
the front support and the rear support are respectively connected with the power assembly, and the shock absorbers are arranged between the frame and the front and rear supports to realize the support of the power assembly;
the rear support comprises a rear bracket, a connecting seat and a pin shaft;
the rear support is fixedly arranged on the side face of the power assembly, the connecting seat is connected with the rear support through the pin shaft, and the connecting seat is connected with a plurality of corresponding shock absorbers below the rear support, so that a plurality of shock absorber supporting points are combined into one supporting point;
the rear bracket is formed by integrally casting or welding two transverse plates, two longitudinal plates and a mounting plate;
the two transverse plates are arranged in parallel at intervals, and the connecting seat is assembled between the two transverse plates;
the two transverse plates are respectively provided with a pin hole, and the two pin holes are used for installing the pin shafts;
the mounting plate is matched with a mounting plane on the power assembly and is fixedly mounted on the side face of the power assembly through a fastener.
2. A powertrain suspension system as recited in claim 1 wherein:
the two pin holes are coaxial, and the pin hole axis of the two pin holes is perpendicular to the mounting plate.
3. A powertrain suspension system as recited in claim 1 wherein:
the connecting seat is formed by integrally casting or welding a mounting plate and a pin hole seat;
the pin holes on the pin hole seat are matched with the pin holes on the rear bracket and are used for installing pin shafts so as to connect the rear bracket with the connecting seat;
the mounting plate is matched with the top surface of the shock absorber, and the shock absorber is connected with the mounting plate through a fastener.
4. A powertrain suspension system as recited in claim 1 wherein:
the connecting seat is formed by integrally casting or welding a mounting plate and a bearing seat;
the bearing seat is internally provided with a joint bearing, and two bearing snap spring grooves are formed in the bearing hole and are used for installing bearing snap springs so as to limit the position of the joint bearing;
the mounting hole on the knuckle bearing is matched with the pin hole on the rear bracket and is used for mounting a pin shaft so as to connect the rear bracket and the connecting seat;
the mounting plate is matched with the top surface of the shock absorber, and the shock absorber is connected with the mounting plate through a fastener.
5. A powertrain suspension system as recited in claim 1 wherein:
the head of the pin shaft is provided with a shaft snap spring groove for fixing the snap spring and preventing the pin shaft from moving and falling off.
6. A powertrain suspension system as recited in claim 1 wherein:
and a space ring is sleeved in the pin shaft between the connecting seat and the rear bracket.
7. A method of installing a powertrain suspension system, comprising the steps of:
firstly, connecting a front support and a rear support on a designated mounting position on a power assembly through bolts;
installing a plurality of shock absorbers in shock absorber installation holes appointed on a frame;
the connecting seat is fixed on the two shock absorbers below the rear support through bolts;
the lifting power assembly is aligned with the shock absorber mounting hole on the front support, and the front support and the shock absorber are fixed through bolts;
aligning pin shaft holes on the rear support and the connecting seat, placing a spacer ring in a gap between the rear support and the connecting seat, placing one spacer ring on each of two sides of the connecting seat, and installing a pin shaft when the axes of pin holes on the rear support, the connecting seat and the two spacer rings are coincident;
and finally, fixing the snap spring in a shaft snap spring groove on the pin shaft, and completing system installation.
8. A method of installing a powertrain suspension system, comprising the steps of:
firstly, connecting a front support and a rear support on a designated mounting position on a power assembly through bolts;
installing a plurality of shock absorbers in shock absorber installation holes appointed on a frame;
installing the knuckle bearing into the bearing hole, and installing two bearing snap springs;
the connecting seat is fixed on the two shock absorbers below the rear support through bolts;
the lifting power assembly is aligned with the shock absorber mounting hole on the front support, and the front support and the shock absorber are fixed through bolts;
aligning inner holes of the rear bracket and the joint bearing, placing a spacer ring in a gap between the rear bracket and the joint bearing, placing one spacer ring on each of two sides of the joint bearing, and installing a pin shaft when axes of pin holes on the rear bracket, the joint bearing and the two spacer rings are coincident;
and finally, fixing the pin shaft snap spring in a shaft snap spring groove on the pin shaft, and completing system installation.
9. A vehicle, characterized in that:
a powertrain suspension system as claimed in any one of claims 1 to 6 is installed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111586851.5A CN114013266B (en) | 2021-12-23 | 2021-12-23 | Power assembly suspension system, installation method and vehicle |
| PCT/CN2022/141202 WO2023116848A1 (en) | 2021-12-23 | 2022-12-22 | Power assembly suspension system, mounting method and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111586851.5A CN114013266B (en) | 2021-12-23 | 2021-12-23 | Power assembly suspension system, installation method and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114013266A CN114013266A (en) | 2022-02-08 |
| CN114013266B true CN114013266B (en) | 2024-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111586851.5A Active CN114013266B (en) | 2021-12-23 | 2021-12-23 | Power assembly suspension system, installation method and vehicle |
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| CN (1) | CN114013266B (en) |
| WO (1) | WO2023116848A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114013266B (en) * | 2021-12-23 | 2024-01-02 | 徐州徐工矿业机械有限公司 | Power assembly suspension system, installation method and vehicle |
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| CN103770617A (en) * | 2014-01-22 | 2014-05-07 | 东风商用车有限公司 | Cross beam type power assembly suspension device |
| CN103802648A (en) * | 2014-01-22 | 2014-05-21 | 东风商用车有限公司 | Four-point distribution power assembly suspension device |
| CN205890528U (en) * | 2016-07-12 | 2017-01-18 | 上海极能客车动力系统有限公司 | Big passenger car power assembly of new forms of energy |
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| CN113799588A (en) * | 2021-10-19 | 2021-12-17 | 中国第一汽车股份有限公司 | Vehicle power assembly suspension system and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023116848A1 (en) | 2023-06-29 |
| CN114013266A (en) | 2022-02-08 |
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