CN216805045U - Independent suspension connection supporting structure of multi-shaft heavy-load hybrid power chassis - Google Patents

Independent suspension connection supporting structure of multi-shaft heavy-load hybrid power chassis Download PDF

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CN216805045U
CN216805045U CN202122826347.XU CN202122826347U CN216805045U CN 216805045 U CN216805045 U CN 216805045U CN 202122826347 U CN202122826347 U CN 202122826347U CN 216805045 U CN216805045 U CN 216805045U
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support
double
arm support
cross
rocker arm
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张庆
王振宇
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China Agricultural University
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China Agricultural University
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Abstract

The utility model relates to an independent suspension connection supporting structure of a multi-axle heavy-load hybrid power chassis, which comprises a double-cross-arm support, a double-cross-arm support supporting beam, a double-cross-arm support pull rod, a rocker arm support supporting beam, a hydro-pneumatic spring support and a hydro-pneumatic spring support supporting beam, wherein the double-cross-arm support is connected with the hydro-pneumatic spring support supporting beam; a double-cross-arm support is arranged on the inner side of each longitudinal beam and connected with the double cross arms through pin shafts; the double-cross arm support beam is connected with the double-cross arm support through a bolt; the pull rod of the double-transverse-arm support is connected with the double-transverse-arm support through a pin shaft; a rocker support is arranged on the outer side of each longitudinal beam and connected with the rocker through a support bearing; two ends of the rocker support supporting beam are connected with the longitudinal beam, and the rocker support is connected with the longitudinal beam through a bolt; the outer side of each longitudinal beam is provided with an oil-gas spring support, the oil-gas spring support is connected with one end of an oil-gas spring through a pin shaft, and the other end of the oil-gas spring is connected with a rocker arm through a pin shaft; the two ends of the hydro-pneumatic spring support supporting beam are connected with the longitudinal beam through bolts.

Description

Independent suspension connection supporting structure of multi-shaft heavy-load hybrid power chassis
Technical Field
The utility model relates to the technical field of automobile parts, in particular to an independent suspension connection supporting structure of a multi-shaft heavy-load hybrid power chassis.
Background
The chassis is a combination formed by four parts of a transmission system, a running system, a steering system and a braking system on the automobile, supports and installs an automobile engine and parts and assemblies thereof to form the integral shape of the automobile, bears the power of the engine and ensures normal running.
The hybrid electric vehicle is driven by the electric motor as the auxiliary power of the engine, has the characteristics of high energy utilization rate and low oil consumption, can effectively improve the driving range of the vehicle, can reduce the size of the engine of the traditional vehicle, simplifies the layout of a transmission system, improves the starting acceleration capacity and the dynamic property of the vehicle by utilizing the characteristics of high torque of the motor at low rotating speed and constant power of the motor at high rotating speed, and can be used as a small-sized power station to supply power for other electric equipment if necessary.
The suspension is a general term for all force-transmitting connecting devices between a frame (or a load-bearing vehicle body) and an axle (or a wheel) of an automobile, and has the functions of transmitting force and torque acting between the wheel and the frame, buffering impact force transmitted to the frame or the vehicle body from an uneven road surface, and reducing vibration caused by the impact force so as to ensure that the automobile can run smoothly.
Each wheel of the independent suspension is independently suspended on the vehicle body or the vehicle axle through one set, the vehicle axle is in a disconnected mode, the middle section of the vehicle axle is fixed on the vehicle frame or the vehicle body, the wheels on two sides of the suspension are not affected when impacted, and the suspension is light in weight, strong in buffering and shock absorption capacity and comfortable to ride. The disconnected axle is adopted, so that the position of an engine can be lowered, and the gravity center of the whole vehicle is lowered; the wheel motion space is great, can reduce suspension rigidity, improves the ride comfort.
The suspension connection support structure for connecting the automobile suspension and the frame (or a bearing type automobile body) and transferring load needs to have the characteristics of high connection strength, high torsional strength and stable structure so as to meet the requirements of working strength and rigidity.
The existing suspension connecting and supporting structure is fixedly connected with a frame together in order to obtain enough strength and rigidity, a longitudinal beam and a transverse beam are connected into a firm rigid framework by riveting or welding methods, the integral torsional rigidity and bearing capacity of the frame are ensured, the rivets mainly bear shearing force and are weaker in bearing tension, the requirement of a heavy-load chassis cannot be met, meanwhile, welding defects are easily generated in the welding process of the welding structure, the welding seam of the stressed complex part for connecting and supporting the suspension is cracked, and once parts of the welding structure are damaged, the welding structure cannot be replaced and maintained quickly.
The existing suspension connecting support structure mainly has the following defects:
1. the weight is large, and the integration of the suspension support structure leads to difficulty in light weight.
2. The installation degree of difficulty is big, and bearing structure integration back is bulky, and the installation needs bigger instrument to assist.
3. The riveted structure is difficult to apply under a heavy load environment.
4. The welding structure is easy to generate welding defects during welding, and welding seams at parts with complex stress are easy to crack.
5. The maintenance cost is high, and if a certain component is damaged after integration, the whole replacement is needed.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide an independent suspension connection supporting structure of a multi-shaft heavy-load hybrid power chassis, which modularizes all supporting parts, is convenient to disassemble and assemble and solves the problems of difficult installation and high maintenance cost caused by the integration of the supporting structure.
In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows:
an independent suspension joint support structure of a multi-axle heavy-duty hybrid vehicle chassis, comprising: the device comprises a double-cross arm support 1, a double-cross arm support supporting beam 2, a double-cross arm support pull rod 3, a rocker arm support 4, a rocker arm support supporting beam 5, an oil-gas spring support 6 and an oil-gas spring support supporting beam 7;
a double-cross-arm support 1 is installed on the inner side of each longitudinal beam 11, the side face of each double-cross-arm support 1 is connected with the longitudinal beam 11 through a bolt, and the upper end and the lower end of each double-cross-arm support 1 are connected with a double cross arm 8 through a pin shaft;
two ends of the double-cross-arm support beam 2 are respectively connected with the upper end of the double-cross-arm support 1 through bolts;
two ends of the double-cross arm support pull rod 3 are respectively connected with the lower end of the double-cross arm support 1 through pin shafts;
a rocker arm support 4 is arranged on the outer side of each longitudinal beam 11, and the middle part of each rocker arm support 4 is connected with a rocker arm 9 through a support bearing;
two ends of the rocker arm support beam 5 are respectively connected with the longitudinal beam 11, and the rocker arm support 4 is connected through a bolt;
the outer side of each longitudinal beam 11 is installed on an oil-gas spring support 6, the upper end of the oil-gas spring support 6 is connected with one end of an oil-gas spring 10 through a pin shaft, the other end of the oil-gas spring 10 is connected with a rocker arm 9 through a pin shaft, and rod end joint bearings are arranged in pin holes at two ends of the oil-gas spring 10;
the two ends of the hydro-pneumatic spring support supporting beam 7 are respectively connected with the longitudinal beam 11, and the side end of the hydro-pneumatic spring support 6 is connected through a bolt.
On the basis of the scheme, the double-cross-arm support 1 integrally adopts a welding structure and consists of a bent bottom plate, a vertical plate for supporting the double cross arms 8 and the double-cross-arm support pull rod 3 and a cover plate for dispersing load.
On the basis of the scheme, the double-cross-arm support supporting beam 2 is of a box-shaped structure consisting of a cover plate and a vertical plate, a reinforcing rib plate is arranged in the middle of the double-cross-arm support supporting beam, bolt mounting holes are formed in two ends of the double-cross-arm support supporting beam, square holes and round holes are formed in the side face of the double-cross-arm support supporting beam, so that bolts are conveniently mounted, a wire harness can pass through the double-cross-arm support supporting beam when necessary, and the arrangement of a chassis electric control system is facilitated.
On the basis of the scheme, the double-cross-arm support pull rod 3 consists of a middle sleeve and connectors at two ends, the connectors at the two ends are connected with the middle sleeve through threads, and the middle sleeve is screwed to fasten the connectors.
On the basis of the scheme, the rocker arm support 4 is of a grid structure consisting of a plurality of reinforcing rib plates and cover plates, a round hole is formed in the middle of the rocker arm support and used for placing a supporting bearing, and the whole rocker arm support is of a welded structure.
On the basis of the scheme, the rocker arm support supporting beam 5 is of a box-shaped structure consisting of a cover plate and a vertical plate, and bolt mounting holes are formed in two ends of the rocker arm support supporting beam.
On the basis of the scheme, the hydro-pneumatic spring support 6 is of a grid structure consisting of a plurality of reinforcing rib plates and a cover plate, and the whole hydro-pneumatic spring support is of a welded structure.
On the basis of the scheme, the hydro-pneumatic spring support supporting beam 7 is of a box-shaped structure consisting of a cover plate and a vertical plate, bolt mounting holes are formed in two ends of the hydro-pneumatic spring support supporting beam, and a plurality of round holes are formed in the side face of the hydro-pneumatic spring support supporting beam.
The utility model has the beneficial effects that:
by adopting the suspension connection supporting structure, each supporting component can be disassembled and processed, the modularization of processing is facilitated, the processing rejection rate is reduced, the supporting components are uniformly installed by using bolts for connection, the installation difficulty is reduced, the supporting components are convenient to disassemble when needing to be replaced, and the maintenance cost is reduced. The connecting structure has the characteristics of high connecting strength, high torsional strength and stable structure, and simultaneously has lighter weight under the condition of meeting the requirements of working strength and rigidity.
Drawings
The utility model has the following drawings:
fig. 1 is a schematic view of an overall structure of a suspension connecting support structure.
Fig. 2 is a schematic diagram of the overall structure of the suspension connection support structure.
Fig. 3 is a schematic diagram I of the double-cross arm support.
Fig. 4 is a schematic diagram II of the double-cross arm support.
FIG. 5 is a schematic diagram of a support beam of the double wishbone support.
FIG. 6 is a schematic diagram of a support beam of a double wishbone support.
Fig. 7 is a schematic view of a double-wishbone support tie rod.
FIG. 8 illustrates a first view of a rocker arm stand.
FIG. 9 is a second schematic view of a rocker arm stand.
FIG. 10 illustrates a rocker arm stand support beam schematic one.
FIG. 11 is a second schematic view of a rocker arm stand support beam.
FIG. 12 is a schematic view of a hydro-pneumatic spring mount.
Figure 13 hydro-pneumatic spring mount schematic two.
FIG. 14 is a schematic view of a hydro-pneumatic spring bearing support beam.
FIG. 15 is a second schematic view of a hydro-pneumatic spring support beam.
In the figure: the hydraulic support comprises a double-cross-arm support 1, a double-cross-arm support supporting beam 2, a double-cross-arm support pull rod 3, a rocker arm support 4, a rocker arm support supporting beam 5, an oil-gas spring support 6, an oil-gas spring support supporting beam 7, a double cross arm 8, a rocker arm 9, an oil-gas spring 10 and a longitudinal beam 11.
Detailed Description
The present invention is described in further detail below with reference to figures 1-15.
As shown in fig. 1 and 2, the suspension connecting support structure of the present invention includes: seven components of a double-cross arm support 1, a double-cross arm support beam 2, a double-cross arm support pull rod 3, a rocker arm support 4, a rocker arm support beam 5, an oil-gas spring support 6 and an oil-gas spring support beam 7.
A double-cross-arm support 1 is installed on the inner side of each longitudinal beam 11, the side face of each double-cross-arm support 1 is connected with the longitudinal beam 11 through a bolt, and the upper end and the lower end of each double-cross-arm support 1 are connected with a double cross arm 8 through a pin shaft.
Two ends of the double-cross-arm support beam 2 are respectively connected with the upper end of the double-cross-arm support 1 through bolts.
Two ends of the double-cross arm support pull rod 3 are respectively connected with the lower end of the double-cross arm support 1 through pin shafts.
A rocker arm support 4 is arranged on the outer side of each longitudinal beam 11, and the middle part of each rocker arm support 4 is connected with the rocker arm 9 through a supporting bearing.
Two ends of the rocker arm support beam 5 are respectively connected with the longitudinal beam 11 and the rocker arm support 4 through bolts.
An oil-gas spring support 6 is installed on the outer side of each longitudinal beam 11, the upper end of the oil-gas spring support 6 is connected with one end of an oil-gas spring 10 through a pin shaft, the other end of the oil-gas spring 10 is connected with a rocker arm 9 through a pin shaft, and rod end joint bearings are arranged in pin holes in two ends of the oil-gas spring 10.
The two ends of the hydro-pneumatic spring support supporting beam 7 are respectively connected with the longitudinal beam 11, and the side end of the hydro-pneumatic spring support 6 is connected through a bolt.
1. Double-cross arm support
The double wishbone mount 1 is designed according to the structure, size and support requirements of the double wishbone 8, as shown in figures 3 and 4. Double wishbone support 1 is the key subassembly of connecting double wishbone 8 and longeron 11, directly support for double wishbone 8, and transmit load to longeron 11, double wishbone support 1 wholly adopts welded structure, mainly by the bottom plate through bending, the riser of supporting double wishbone 8 and double wishbone support pull rod 3 and the apron of dispersed load are constituteed, this structure has been designed according to the transmission route of load, make it not only have good bearing performance, sufficient lightweight space in addition, alleviate the quality under the prerequisite of guaranteeing structural strength.
The double-cross-arm support 1 is connected with the longitudinal beam 11 and the double-cross-arm support supporting beam 2 through bolts and connected with the double-cross-arm support pull rod 3 through a pin shaft, so that the double-cross-arm support is convenient to disassemble and assemble. At the relative position of the two longitudinal beams 11, the left double-cross-arm support 1, the right double-cross-arm support 1, the middle double-cross-arm support beam 2 and the double-cross-arm support pull rod 3 form a bearing loop, so that the bearing condition is optimized, and the integral rigidity and stability are improved.
2. Double-cross arm support supporting beam
The double wishbone support beam 2 is designed according to the structure, size and support requirements of the double wishbone support 1, as shown in figures 5 and 6. The two ends of the double-cross arm support supporting beam 2 are connected with the left double-cross arm support 1 and the right double-cross arm support 1 through bolts, main parts on an automobile can be supported, and the shape of a bearing surface on the double-cross arm support supporting beam can be changed according to a load. This subassembly comprises apron and riser box type structure, and the centre is equipped with the reinforced rib board, has good bearing capacity and sufficient lightweight space. Both ends are provided with bolt mounting holes, the side surface is provided with sufficient space to facilitate the installation of bolts, and a wire harness can pass through the bolt mounting holes when necessary, so that the arrangement of a chassis electric control system is facilitated.
3. Double-cross arm support pull rod
The double wishbone support tie rods 3 are designed according to the structure, size and support requirements of the double wishbone support 1, as shown in figure 7. The double-cross-arm support pull rod 3 consists of a middle sleeve and connectors at two ends, wherein the two ends are connected with the double-cross-arm support 1 through pin shafts, the connectors at the two ends are in threaded connection with the middle sleeve, and the middle sleeve is screwed for fastening.
4. Rocker arm support
The rocker arm stand 4 is designed according to the structure, size and support requirements of the rocker arm 9, as shown in fig. 8 and 9. Rocker support 4 passes through bolted connection to longeron 11, is responsible for supporting rocking arm 9 and transmits its load to longeron 11 on, and wherein the round hole in middle part can place support bearing, and rocker support 4 adopts welded structure, by polylith deep floor, the apron, constitutes the very high grid type structure of rigidity, has good bearing performance.
5. Rocker arm support supporting beam
The rocker arm support beam 5 is designed according to the structure, size and support requirements of the rocker arm support 4, as shown in fig. 10 and 11. The two ends of the rocker arm support beam 5 are respectively connected with the longitudinal beam 11 through bolts, so that the load transmitted to the longitudinal beam 11 by the rocker arm support 4 is further dispersed, and the overall rigidity is maintained. The box-shaped structure is formed by the cover plate and the vertical plate, and has good bearing performance and sufficient light-weight space.
6. Hydro-pneumatic spring support
The hydro-pneumatic spring mount 6 is designed according to the structure, size and support requirements of the hydro-pneumatic spring 10, as shown in fig. 12 and 13. Hydro-pneumatic spring support 6 is through round pin hub connection hydro-pneumatic spring 10, through bolted connection longeron 11, is responsible for supporting hydro-pneumatic spring 10 to transmit longeron 11 with its load, hydro-pneumatic spring support 6 adopts welded structure, by polylith deep floor, the apron, constitutes the very high grid type structure of rigidity, and this structure has good bearing capacity, can bear the huge load of hydro-pneumatic spring 10 department.
7. Hydro-pneumatic spring support supporting beam
The hydro-pneumatic spring bearing support beam 7 is designed according to the structure, size and support requirements of the hydro-pneumatic spring bearing 6, as shown in fig. 14 and 15. Two ends of the hydro-pneumatic spring support beam 7 are respectively connected with the longitudinal beam 11 through bolts, so that the load transmitted to the longitudinal beam 11 by the hydro-pneumatic spring support 6 is further dispersed, and the overall rigidity is maintained. The box-shaped structure is formed by the cover plate and the vertical plate, and has good bearing performance and sufficient light-weight space.
The technical key points and points to be protected of the utility model are as follows:
1. the structural characteristics and the action effect of each connecting support component.
2. The connection mode between the connection supporting components.
3. The double-cross arm support 1, the double-cross arm support supporting beam 2 and the double-cross arm support pull rod 3 form a bearing loop.
Those not described in detail in this specification are within the skill of the art.

Claims (8)

1. An independent suspension connection support structure of a multi-axle heavy-duty hybrid chassis, characterized by comprising: the device comprises a double-cross-arm support (1), a double-cross-arm support supporting beam (2), a double-cross-arm support pull rod (3), a rocker arm support (4), a rocker arm support supporting beam (5), an oil-gas spring support (6) and an oil-gas spring support supporting beam (7);
a double-cross-arm support (1) is installed on the inner side of each longitudinal beam (11), the side face of each double-cross-arm support (1) is connected with the longitudinal beam (11) through a bolt, and the upper end and the lower end of each double-cross-arm support (1) are connected with a double cross arm (8) through a pin shaft;
two ends of the double-cross-arm support beam (2) are respectively connected with the upper end of the double-cross-arm support (1) through bolts;
two ends of the double-cross-arm support pull rod (3) are respectively connected with the lower end of the double-cross-arm support (1) through pin shafts;
a rocker arm support (4) is arranged on the outer side of each longitudinal beam (11), and the middle part of each rocker arm support (4) is connected with a rocker arm (9) through a support bearing;
two ends of the rocker arm support beam (5) are respectively connected with the longitudinal beam (11), and the rocker arm support (4) is connected through a bolt;
the outer side of each longitudinal beam (11) is installed on an oil-gas spring support (6), the upper end of the oil-gas spring support (6) is connected with one end of an oil-gas spring (10) through a pin shaft, and the other end of the oil-gas spring (10) is connected with a rocker arm (9) through a pin shaft;
the two ends of the hydro-pneumatic spring support supporting beam (7) are respectively connected with the longitudinal beam (11) and the side end of the hydro-pneumatic spring support (6) through bolts.
2. The independent suspension connection support structure of the multi-axle heavy-duty hybrid chassis according to claim 1, characterized in that the double wishbone support (1) is integrally welded and consists of a bent bottom plate, vertical plates for supporting the double wishbone (8) and the double wishbone support tie rod (3), and a load dispersing cover plate.
3. The independent suspension connection support structure of the multi-axle heavy-duty hybrid chassis according to claim 1, wherein the double-wishbone support beam (2) is a box-shaped structure consisting of a cover plate and a vertical plate, a reinforcing rib plate is arranged in the middle of the double-wishbone support beam, bolt mounting holes are formed in two ends of the double-wishbone support beam, and square holes and round holes are formed in the side surface of the double-wishbone support beam, so that bolts can be conveniently mounted, a wire harness can pass through the double-wishbone support beam when necessary, and an electronic control system of the chassis can be conveniently arranged.
4. The independent suspension joint support structure of a multi-axle heavy-duty hybrid chassis according to claim 1, characterized in that the double wishbone seat drawbar (3) is composed of a middle sleeve and connectors at both ends, the connectors at both ends are connected with the middle sleeve by using threads, and fastening is performed by screwing the middle sleeve.
5. The independent suspension connection support structure of the multi-axle heavy-duty hybrid chassis according to claim 1, wherein the rocker arm support (4) is a grid structure composed of a plurality of reinforcing rib plates and a cover plate, a circular hole is formed in the middle of the rocker arm support for placing a support bearing, and the whole is of a welded structure.
6. The independent suspension joint support structure of the multi-axle heavy-duty hybrid chassis according to claim 1, wherein the rocker arm support beam (5) is a box-shaped structure consisting of a cover plate and a vertical plate, and bolt mounting holes are formed at both ends.
7. The independent suspension connection support structure of the multi-axle heavy-duty hybrid chassis according to claim 1, wherein the hydro-pneumatic spring support (6) is a grid structure composed of a plurality of reinforcing rib plates and a cover plate, and the whole structure is a welded structure.
8. The independent suspension connection support structure of the multi-axle heavy-duty hybrid chassis according to claim 1, wherein the hydro-pneumatic spring support beam (7) is a box-shaped structure composed of a cover plate and a vertical plate, bolt mounting holes are formed at two ends, and a plurality of round holes are formed in the side surface.
CN202122826347.XU 2021-11-18 2021-11-18 Independent suspension connection supporting structure of multi-shaft heavy-load hybrid power chassis Active CN216805045U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122826347.XU CN216805045U (en) 2021-11-18 2021-11-18 Independent suspension connection supporting structure of multi-shaft heavy-load hybrid power chassis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122826347.XU CN216805045U (en) 2021-11-18 2021-11-18 Independent suspension connection supporting structure of multi-shaft heavy-load hybrid power chassis

Publications (1)

Publication Number Publication Date
CN216805045U true CN216805045U (en) 2022-06-24

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CN202122826347.XU Active CN216805045U (en) 2021-11-18 2021-11-18 Independent suspension connection supporting structure of multi-shaft heavy-load hybrid power chassis

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CN (1) CN216805045U (en)

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