CN209776132U - Pure electric commercial vehicle power assembly suspension system - Google Patents
Pure electric commercial vehicle power assembly suspension system Download PDFInfo
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- CN209776132U CN209776132U CN201920698927.5U CN201920698927U CN209776132U CN 209776132 U CN209776132 U CN 209776132U CN 201920698927 U CN201920698927 U CN 201920698927U CN 209776132 U CN209776132 U CN 209776132U
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Abstract
The utility model provides a pure electric commercial car power assembly suspension system, the suspension system includes back suspension assembly, left front suspension assembly and right front suspension assembly, and back suspension assembly includes the ingot roof beam, and the bottom of gearbox is fixed on the well flat beam of ingot roof beam bottom through the bolt, and the top is fixed on the reinforcement beam at ingot roof beam top through the bolt; two ends of the reinforced crossbeam extend outwards, rear suspension cushions are fixed below the extending parts and are fixed on the left longitudinal beam and the right longitudinal beam through the rear suspension cushions; the left front suspension assembly comprises a left front suspension bracket, the lower part of the left front suspension bracket is connected with the motor assembly, and the upper part of the left front suspension bracket is fixed on the left longitudinal beam through a left front suspension cushion component; the right front suspension assembly comprises a right front suspension bracket, the lower part of the right front suspension bracket is connected with the motor assembly, and the upper part of the right front suspension bracket is fixed on the right longitudinal beam through a right front suspension cushion component. The utility model discloses a preceding, back suspension assembly cooperation is used, produced overturning moment when can bear power assembly output maximum torque.
Description
Technical Field
the utility model relates to an automobile parts, concretely relates to electricelectric moves commercial car power assembly suspension system.
background
With the continuous development of automobile technology, people put forward higher requirements on the comfort of vehicles, and the design level of a suspension system of a commercial vehicle power assembly which is used as a power source and a maximum excitation source for connecting the vehicle directly influences the riding comfort and the reliability of the vehicle. The existing pure electric commercial vehicle power assembly suspension system generally adopts a front suspension bracket fixed on two sides of the bottom of a motor, a rear suspension bracket fixed on the bottom of a gearbox, and a suspension soft cushion for the bracket connected with a vehicle frame for vibration isolation.
However, the torque of the power assembly of the electric vehicle is generally larger than that of a fuel vehicle with the same power, and obviously, the torsional resistance is insufficient by only using the mounting hole at the bottom of the power assembly as a fixed point. When the power assembly outputs large torque, the cushion is easily torn, and the whole power assembly fails.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a pure electric commercial car power assembly suspension system.
the technical scheme of the utility model is that: the utility model provides a pure electric commercial car power assembly suspension system, power assembly include interconnect's motor assembly and gearbox assembly, and power assembly passes through suspension system to be fixed on left and right longeron, its characterized in that:
Suspension system includes back suspension assembly, left front suspension assembly and the front right suspension assembly, and back suspension assembly is used for fixing the gearbox assembly about on the longeron, and left front suspension assembly, the front right suspension assembly are used for fixing the motor assembly about on the longeron, wherein:
The rear suspension assembly comprises ingot beams, the ingot beams are provided with vertical beams which are symmetrically arranged, the lower ends of the vertical beams are connected with transition beams which extend inwards in an inclined mode, the lower ends of the two transition beams are connected through a middle flat beam, the upper ends of the two vertical beams are connected through a reinforcing cross beam, and the middle flat beam and the reinforcing cross beam connect the vertical beams on the two sides and the transition beams into a whole; the middle flat beam is provided with a gearbox mounting part, the lower bottom surface of the reinforcing cross beam is connected with two spaced cushion blocks through an adjusting cushion plate, mounting holes are formed in the cushion blocks penetrating through the reinforcing cross beam, the adjusting cushion plate and the reinforcing cross beam, the bottom of the gearbox is fixed on the gearbox mounting part of the middle flat beam through bolts, and the top of the gearbox is fixed on the reinforcing cross beam through the mounting holes of the reinforcing cross beam, the adjusting cushion plate and the cushion blocks through bolts; two ends of the reinforced crossbeam extend outwards, rear suspension cushions are fixed below the extending parts and are fixed on the left longitudinal beam and the right longitudinal beam through the rear suspension cushions;
the left front suspension assembly comprises a left front suspension bracket, the lower part of the left front suspension bracket is fixedly connected with the motor assembly, and the upper part of the left front suspension bracket is fixed on the left longitudinal beam through a left front suspension cushion component;
the right front suspension assembly comprises a right front suspension bracket, the lower part of the right front suspension bracket is fixedly connected with the motor assembly, and the upper part of the right front suspension bracket is fixed on the right longitudinal beam through the right front suspension cushion component.
preferably, the concrete connection structure of the left front suspension cushion assembly, the left front suspension bracket and the left longitudinal beam is as follows: the left front suspension cushion assembly comprises a left front suspension cushion, a cushion fixing support and a cushion fixing cover plate, a cylindrical pin is arranged on the vertical direction of the outer side of the upper portion of the left front suspension support, the left front suspension cushion is sleeved on the cylindrical pin through an axial mounting hole, the left front suspension cushion and the cylindrical pin are in clearance fit, the cushion fixing support is an open end, a U-shaped groove structure with one closed end is formed, the left front suspension cushion extends into the U-shaped groove from the open end of the cushion fixing support, the left front suspension cushion is fixed in the U-shaped groove of the cushion fixing support through the fixing cover plate and a limiting step arranged in the U-shaped groove, a longitudinal beam mounting portion is arranged on the closed end of the U-shaped groove, and the longitudinal beam mounting portion is fixed on a left longitudinal.
Preferably, the specific connecting structure of the right front suspension cushion assembly, the right front suspension bracket and the right longitudinal beam is as follows: the suspension cushion subassembly includes right front suspension cushion, cushion fixed bolster and the fixed apron of cushion, be equipped with the cylindric lock on the upper portion outside vertical direction of suspension support before the right side, right front suspension cushion establishes on the cylindric lock through axial mounting hole cover, clearance fit between right front suspension cushion and the cylindric lock, the cushion fixed bolster is one end opening, one end confined U type groove structure, right front suspension cushion stretches into U type inslot from the open end of cushion fixed bolster, and fix right front suspension cushion at the U type inslot of cushion fixed bolster through fixed apron and the spacing step of establishing at U type inslot, be equipped with the longeron installation department on the blind end in U type groove and pass through the fix with screw on right longeron.
Preferably, an open slot is formed in the position, opposite to the mounting hole in the adjusting base plate, of one side of the adjusting base plate in the width direction, the open slot is communicated with the mounting hole, and the adjusting base plates with different thicknesses can be conveniently replaced according to different vehicle types.
Has the advantages that: compared with the prior art, the utility model discloses on the basis of guaranteeing antitorque ability, have and make simply, with low costs, the space is compact, easy dismounting's characteristics.
The rear suspension assembly adopts a shoe-shaped beam, the bottom and the top of the gearbox are respectively fixed through a flat beam and a reinforcing cross beam, so that the gearbox and the shoe-shaped beam are connected into a whole, the structure is firm, the torsion resistance is strong, and meanwhile, the rear suspension cushions arranged on two sides of the reinforcing cross beam are fixed on longitudinal beams on two sides, so that the rear suspension assembly can bear the overturning moment generated when the power assembly outputs the maximum torque and the impact force of different road conditions;
The left and right front suspension assemblies are sleeved with a connecting structure of the left and right front suspension cushions through the cylindrical shaft, can provide 360-degree compression support, can eliminate the influence of frame deformation on an engine, can overcome axial and radial external forces and inertia force, and can absorb the moment in the horizontal direction;
An open slot communicated with the mounting hole is formed in the position, opposite to the mounting hole in the adjusting base plate, of one side of the adjusting base plate in the width direction, so that the adjusting base plates with different thicknesses can be conveniently replaced according to different vehicle types;
The utility model discloses a back suspension assembly, left front suspension assembly, right front suspension assembly cooperation are used, appear easily tearing the cushion, thereby lead to the problem that whole power assembly became invalid when can overcome the antitorque ability among the prior art not enough, especially power assembly output big moment of torsion completely.
Drawings
Fig. 1 is a schematic view of the power assembly of the present invention mounted on a suspension system.
Fig. 2 is a schematic view of the power assembly of the present invention mounted on a longitudinal beam.
fig. 3 is a rear isometric view of fig. 1.
Fig. 4 is a schematic structural view of the left and right front suspension assemblies of the present invention.
fig. 5 is an exploded view of fig. 4.
fig. 6 is a block diagram of a rear suspension assembly of the present invention.
Fig. 7 is a block diagram of the adjusting shim plate and the spacer according to the present invention.
Fig. 8 is a schematic view of a shoe-shaped beam of the rear suspension assembly of the present invention.
Shown in the figure: 1. a right front suspension bracket; 2. a motor assembly; 3. a left front suspension bracket; 4. the soft cushion fixes the cover plate; 5. a cushion fixing bracket; 6. a left front suspension cushion; 7. a gearbox; 8. a ingot beam; 8-1, vertical beams; 8-2, transition beams; 8-3, a middle flat beam; 8-4, a base plate; 9. a reinforcing cross beam; 10. a rear suspension cushion; 11. a right stringer; 12. a left stringer; 13. cushion blocks; 14. adjusting the base plate; 15. a right front suspension cushion; 16. a cylindrical pin; 17. an open slot.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings, but the embodiment should not be construed as limiting the present invention.
the utility model discloses as shown in fig. 1 to 8:
The utility model provides a pure electric commercial car power assembly suspension system, power assembly includes interconnect's motor assembly 2 and gearbox assembly 7, power assembly passes through suspension system to be fixed on left longeron 12 and right longeron 11, suspension system includes back suspension assembly, left front suspension assembly and right front suspension assembly, back suspension assembly is used for fixing gearbox assembly about on the longeron, left front suspension assembly, right front suspension assembly are used for fixing motor assembly about on the longeron, wherein:
the rear suspension assembly comprises a shoe-shaped beam 8, the shoe-shaped beam 8 is provided with vertical beams 8-1 which are symmetrically arranged, the lower end of the vertical beam 8-1 is fixedly provided with a transition beam 8-2 which extends in an inward inclining way, the lower ends of the two transition beams are connected through a middle flat beam 8-3, the upper ends of the two vertical beams are connected through a reinforcing cross beam 9, the vertical beams 8-1 and the transition beam 8-2 at two sides are connected into a whole through the middle flat beam 8-3 and the reinforcing cross beam 9, in order to increase the strength, reinforcing plates are fixedly welded at the connecting parts between the vertical beam 8-1 and the transition beam 8-2 and between the transition beam 8-2 and the middle flat beam 8-3, meanwhile, in order to increase the connecting strength between the vertical beam 8-1 and the reinforcing cross beam 9, a backing plate 8-4 with a larger contact area is welded at the top end of the vertical beam 8-1, the base plates 8-4 are fixed on the reinforcing cross beam 9 through screws; a gearbox mounting part with mounting holes is arranged on the middle flat beam 8-3, the lower bottom surface of the reinforcing beam 9 is connected with two cushion blocks 13 which are arranged at intervals along the length direction of the reinforcing beam 9 through adjusting cushion plates 14, the mounting holes are formed by penetrating through the reinforcing beam 9, the adjusting cushion plates 14 and the cushion blocks 13, the bottom of the gearbox 7 is fixed on the gearbox mounting part of the middle flat beam 8-3 through bolts, and the top of the gearbox 7 is fixed on the reinforcing beam 9 through the mounting holes of the reinforcing beam 9, the adjusting cushion plates 14 and the cushion blocks 13 through bolts; the two ends of the reinforced crossbeam 9 extend outwards, the rear suspension soft pads 10 are fixed below the extending parts and are fixed on the left longitudinal beam 12 and the right longitudinal beam 11 through the rear suspension soft pads 10, and the rear suspension soft pads 10 are the same as the rear suspension soft pads and the connecting structure of the existing fuel vehicle, so that the detailed structure is not repeated.
The left front suspension assembly comprises a left front suspension bracket 3, the lower part of the left front suspension bracket 3 is fixedly connected with the motor assembly 2 through a screw, and the upper part of the left front suspension bracket 3 is fixed on the left longitudinal beam 12 through a left front suspension soft cushion component; the left front suspension cushion assembly comprises a left front suspension cushion 6, a cushion fixing support 5 and a cushion fixing cover plate 4, a cylindrical pin 16 is arranged on the vertical direction of the outer side of the upper portion of the left front suspension support 3, the left front suspension cushion 6 is sleeved on the cylindrical pin 16 through an axial mounting hole, the left front suspension cushion 6 is in clearance fit with the cylindrical pin 16, the cushion fixing support 5 is open at one end, a U-shaped groove structure with one closed end, the left front suspension cushion 6 extends into the U-shaped groove from the open end of the cushion fixing support 5, the left front suspension cushion 6 is fixed in the U-shaped groove of the cushion fixing support 5 through the fixing cover plate 4 and a limiting step arranged in the U-shaped groove, and a longitudinal beam mounting portion is arranged on the closed end of the U-shaped groove and fixed on a left longitudinal beam 12 through screws.
The right front suspension assembly comprises a right front suspension bracket 1, the lower part of the right front suspension bracket 1 is fixedly connected with the motor assembly 2 through a screw, and the upper part of the right front suspension bracket 1 is fixed on the right longitudinal beam 11 through a right front suspension soft pad component; suspension cushion subassembly includes right front suspension cushion 15 before the right side, cushion fixed bolster 5 and cushion fixed cover 4, be equipped with cylindric lock 16 on the upper portion outside vertical direction of right front suspension support 1, right front suspension cushion 15 establishes on cylindric lock 16 through axial mounting hole cover, clearance fit between right front suspension cushion 15 and the cylindric lock 16, cushion fixed bolster 5 is one end opening, one end confined U type groove structure, right front suspension cushion 15 stretches into U type inslot from the open end of cushion fixed bolster 5, and fix right front suspension cushion 15 at the U type inslot of cushion fixed bolster 5 through fixed cover 4 and the spacing step of establishing at U type inslot, be equipped with the longeron installation department on the blind end in U type groove and through the fix with screw on right longeron 11.
An open slot 17 is formed in one side of the width direction of the adjusting base plate 14, and the position, right opposite to the mounting hole in the adjusting base plate 14, of one side of the width direction of the adjusting base plate 14, the open slot 17 is communicated with the mounting hole, and therefore the adjusting base plate 14 with different thicknesses can be conveniently replaced according to different vehicle types.
those skilled in the art will appreciate that the details of the present invention are not described in detail herein.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (4)
1. The utility model provides a pure electric commercial car power assembly suspension system, power assembly include interconnect's motor assembly and gearbox assembly, and power assembly passes through suspension system to be fixed on left and right longeron, its characterized in that:
Suspension system includes back suspension assembly, left front suspension assembly and the front right suspension assembly, and back suspension assembly is used for fixing the gearbox assembly about on the longeron, and left front suspension assembly, the front right suspension assembly are used for fixing the motor assembly about on the longeron, wherein:
The rear suspension assembly comprises ingot beams, the ingot beams are provided with vertical beams which are symmetrically arranged, the lower ends of the vertical beams are connected with transition beams which extend inwards in an inclined mode, the lower ends of the two transition beams are connected through a middle flat beam, the upper ends of the two vertical beams are connected through a reinforcing cross beam, and the middle flat beam and the reinforcing cross beam connect the vertical beams on the two sides and the transition beams into a whole; the middle flat beam is provided with a gearbox mounting part, the lower bottom surface of the reinforcing cross beam is connected with two spaced cushion blocks through an adjusting cushion plate, mounting holes are formed in the cushion blocks penetrating through the reinforcing cross beam, the adjusting cushion plate and the reinforcing cross beam, the bottom of the gearbox is fixed on the gearbox mounting part of the middle flat beam through bolts, and the top of the gearbox is fixed on the reinforcing cross beam through the mounting holes of the reinforcing cross beam, the adjusting cushion plate and the cushion blocks through bolts; two ends of the reinforced crossbeam extend outwards, rear suspension cushions are fixed below the extending parts and are fixed on the left longitudinal beam and the right longitudinal beam through the rear suspension cushions;
The left front suspension assembly comprises a left front suspension bracket, the lower part of the left front suspension bracket is fixedly connected with the motor assembly, and the upper part of the left front suspension bracket is fixed on the left longitudinal beam through a left front suspension cushion component;
The right front suspension assembly comprises a right front suspension bracket, the lower part of the right front suspension bracket is fixedly connected with the motor assembly, and the upper part of the right front suspension bracket is fixed on the right longitudinal beam through the right front suspension cushion component.
2. The pure electric commercial vehicle power assembly suspension system according to claim 1, characterized in that: the concrete connection structure of suspension cushion subassembly and left front suspension support, left longeron before left side does: the left front suspension cushion assembly comprises a left front suspension cushion, a cushion fixing support and a cushion fixing cover plate, a cylindrical pin is arranged on the vertical direction of the outer side of the upper portion of the left front suspension support, the left front suspension cushion is sleeved on the cylindrical pin through an axial mounting hole, the left front suspension cushion and the cylindrical pin are in clearance fit, the cushion fixing support is an open end, a U-shaped groove structure with one closed end is formed, the left front suspension cushion extends into the U-shaped groove from the open end of the cushion fixing support, the left front suspension cushion is fixed in the U-shaped groove of the cushion fixing support through the fixing cover plate and a limiting step arranged in the U-shaped groove, a longitudinal beam mounting portion is arranged on the closed end of the U-shaped groove, and the longitudinal beam mounting portion is fixed on a left longitudinal.
3. The pure electric commercial vehicle power assembly suspension system according to claim 1, characterized in that: the connection structure of the right front suspension cushion assembly, the right front suspension bracket and the right longitudinal beam is as follows: the suspension cushion subassembly includes right front suspension cushion, cushion fixed bolster and the fixed apron of cushion, be equipped with the cylindric lock on the upper portion outside vertical direction of suspension support before the right side, right front suspension cushion passes through the axial mounting hole cover and establishes on the cylindric lock, be clearance fit between right front suspension cushion and the cylindric lock, the cushion fixed bolster is one end opening, one end confined U type groove structure, right front suspension cushion stretches into U type inslot from the open end of cushion fixed bolster, and fix the U type inslot at the cushion fixed bolster with right front suspension cushion through fixed apron and the spacing step of establishing at U type inslot, be equipped with the longeron installation department on the blind end in U type groove and fix on right longeron through the screw.
4. The pure electric commercial vehicle power assembly suspension system according to claim 1, characterized in that: an open slot is formed in one side of the width direction of the adjusting base plate, and is opposite to the position of the mounting hole in the adjusting base plate, the open slot is communicated with the mounting hole, and the adjusting base plate with different thicknesses can be conveniently replaced according to different vehicle types.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920698927.5U CN209776132U (en) | 2019-05-16 | 2019-05-16 | Pure electric commercial vehicle power assembly suspension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920698927.5U CN209776132U (en) | 2019-05-16 | 2019-05-16 | Pure electric commercial vehicle power assembly suspension system |
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| Publication Number | Publication Date |
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| CN209776132U true CN209776132U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920698927.5U Active CN209776132U (en) | 2019-05-16 | 2019-05-16 | Pure electric commercial vehicle power assembly suspension system |
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| CN (1) | CN209776132U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721602A (en) * | 2021-02-22 | 2021-04-30 | 东风商用车有限公司 | Power assembly suspension system |
| CN114194012A (en) * | 2021-12-17 | 2022-03-18 | 东风襄阳旅行车有限公司 | New energy automobile driving motor suspension structure |
| CN114454704A (en) * | 2022-01-18 | 2022-05-10 | 东风汽车股份有限公司 | Rear suspension cushion assembly for large-torque output power assembly |
-
2019
- 2019-05-16 CN CN201920698927.5U patent/CN209776132U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721602A (en) * | 2021-02-22 | 2021-04-30 | 东风商用车有限公司 | Power assembly suspension system |
| CN112721602B (en) * | 2021-02-22 | 2022-07-05 | 东风商用车有限公司 | Power assembly suspension system |
| CN114194012A (en) * | 2021-12-17 | 2022-03-18 | 东风襄阳旅行车有限公司 | New energy automobile driving motor suspension structure |
| CN114454704A (en) * | 2022-01-18 | 2022-05-10 | 东风汽车股份有限公司 | Rear suspension cushion assembly for large-torque output power assembly |
| CN114454704B (en) * | 2022-01-18 | 2023-08-04 | 东风汽车股份有限公司 | Rear suspension cushion assembly for large-torque output power assembly |
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