CN111301523A - Pure electric vehicles aluminium system power assembly suspension installation device - Google Patents
Pure electric vehicles aluminium system power assembly suspension installation device Download PDFInfo
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- CN111301523A CN111301523A CN201911122625.4A CN201911122625A CN111301523A CN 111301523 A CN111301523 A CN 111301523A CN 201911122625 A CN201911122625 A CN 201911122625A CN 111301523 A CN111301523 A CN 111301523A
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- sleeve
- cross beam
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- mounting sleeve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/09—Means for mounting load bearing surfaces
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a suspension mounting device for an aluminum power assembly of a pure electric vehicle, which consists of a front beam, a rear beam, a main positioning sleeve, an auxiliary positioning sleeve, a front beam mounting sleeve, a rear beam mounting sleeve, a suspension mounting sleeve, a first longitudinal beam, a second longitudinal beam, a third longitudinal beam and a rivet nut. The aluminum power assembly suspension mounting device for the pure electric vehicle is arranged right above the power assembly, does not occupy the collision energy absorption space in the front of the power assembly, and improves the collision safety.
Description
The technical field is as follows:
the invention relates to a pure electric vehicle aluminum power assembly suspension mounting device, and belongs to the technical field of pure electric vehicles.
Background art:
the conventional front-drive pure electric vehicle power assembly suspension is mostly arranged on a front beam of a steel front auxiliary frame, in order to ensure that a suspension mounting point has enough modes, the section and the wall thickness of the front beam of the auxiliary frame need to be increased, and the weight of the front auxiliary frame is increased; in addition, the front beam of the auxiliary frame is generally closer to the front, so that the X-direction size of the suspension of the power assembly is increased, and the rigid suspension occupies larger X-direction size of the whole vehicle, so that the collision energy absorption space of the whole vehicle is reduced, and the protection of passengers is not facilitated; because there is not rigid support in power assembly upper portion, can't install other spare parts, wasted the space in front deck, if will install other spare parts, need increase extra installation frame structure, it is with high costs.
Therefore, there is a need to improve the prior art to overcome the deficiencies of the prior art.
The invention content is as follows:
the invention provides a pure electric vehicle aluminum power assembly suspension mounting device for solving the problems in the prior art.
The technical scheme adopted by the invention is as follows: the utility model provides a pure electric vehicles aluminium system power assembly suspension installation device, comprises front beam, back beam, main location sleeve, auxiliary positioning sleeve, front beam installation sleeve, back beam installation sleeve, suspension installation sleeve, first longeron, second longeron, third longeron and rivet nut, the front beam passes through MIG welding with main location sleeve, auxiliary positioning sleeve, front beam installation sleeve, suspension installation sleeve, first longeron, second longeron, third longeron and is connected, and the front beam passes through rivet nut with the rivet nut and is connected, the back beam passes through MIG welding with back beam installation sleeve, first longeron, second longeron, third longeron and is connected, and the back beam passes through rivet nut with the rivet nut and is connected.
The invention has the following beneficial effects: the aluminum power assembly suspension mounting device for the pure electric vehicle is arranged right above the power assembly, does not occupy the collision energy absorption space in the front of the power assembly, and improves the collision safety. The lower part of the device is provided with a suspension of a power assembly, and the upper part of the device is provided with other parts of a front cabin, so that the space of the front cabin is fully utilized. The main material of the device is aluminum profile, the aluminum profile is connected together through MIG welding after being processed by CNC, and meanwhile, some threaded fasteners are riveted on the device for installing other parts. The structure of the aluminum profile can flexibly realize different wall thicknesses so as to realize the optimal performance by using the least materials.
Description of the drawings:
FIG. 1 is a structural diagram of an aluminum powertrain suspension mounting device of a pure electric vehicle according to the present invention.
Fig. 2 is a cross-sectional view of the front cross-beam.
Fig. 3 is a top view of the front cross member.
Fig. 4 is a bottom view of the front cross member.
FIG. 5 is a cross-sectional view of the rear cross-beam.
Fig. 6 is a top view of the rear cross member.
Fig. 7 is a bottom view of the rear cross member.
FIG. 8 is a cross-sectional view of the primary alignment sleeve.
FIG. 9 is a cross-sectional view of an auxiliary alignment sleeve.
Fig. 10 is a cross-sectional view of the front cross member mounting sleeve.
FIG. 11 is a cross-sectional view of the rear cross member mounting sleeve.
Fig. 12 is a cross-sectional view of a suspension mounting sleeve.
The specific implementation mode is as follows:
the invention will be further described with reference to the accompanying drawings.
The suspension mounting device for the aluminum power assembly of the pure electric vehicle comprises a front cross beam 100, a rear cross beam 200, a main positioning sleeve 300, an auxiliary positioning sleeve 400, a front cross beam mounting sleeve 500, a rear cross beam mounting sleeve 600, a suspension mounting sleeve 700, a first longitudinal beam 800, a second longitudinal beam 900, a third longitudinal beam 1000 and a rivet nut 1100. The front cross beam 100 is connected with the main positioning sleeve 300, the auxiliary positioning sleeve 400, the front cross beam mounting sleeve 500, the suspension mounting sleeve 700, the first longitudinal beam 800, the second longitudinal beam 900 and the third longitudinal beam 1000 through MIG welding, and the front cross beam 100 is connected with the rivet nut 1100 through rivet pulling. The rear cross beam 200 is connected with the rear cross beam mounting sleeve 600, the first longitudinal beam 800, the second longitudinal beam 900 and the third longitudinal beam 1000 through MIG welding, and the rear cross beam 200 is connected with the rivet nut 1100 through rivet pulling.
Wherein the cross-section of the front beam is in a shape of Chinese character ri, and the two cavities are arranged in parallel front and back. Wherein the wall thickness of the first upper surface 101 and the first lower surface 102 is larger than that of the first front surface 103, the first rear surface 105 and the reinforcing ribs 104, and the aspect ratio of the cross section is larger than 75%.
The first upper surface 101 of the front cross member 100 is provided with: the first mounting through hole 111 of the primary locator sleeve 300, the second mounting through hole 112 of the secondary locator sleeve 400, the third mounting through hole 113 of the front cross-beam mounting sleeve 500, and the first locator hole 114 of the suspension mounting sleeve 700.
The first lower surface 102 of the front cross member 100 is provided with: the second positioning hole 121 of the main positioning sleeve 300, the third positioning hole 122 of the auxiliary positioning sleeve 400, the fourth positioning hole 123 of the front cross beam mounting sleeve 500, and the fourth mounting through hole 124 of the suspension mounting sleeve 700.
The cross section of the rear cross member 200 is square, wherein the wall thickness of the second upper surface 201 and the second lower surface 202 is larger than that of the second front surface 203 and the second rear surface 204, and the aspect ratio of the cross section is preferably > 1: 1.
the second upper surface 201 of the rear cross member 200 is opened with a fifth mounting via 211 of the rear cross member mounting sleeve 600. The second lower surface 202 of the rear cross member 200 is provided with a fifth positioning hole 221 of the rear cross member mounting sleeve 600.
The main positioning sleeve 300 has a sixth positioning hole 306 therein, and the diameter of the sixth positioning hole 306 is larger than that of the mounting bolt. The first bore 304 of the primary alignment sleeve 300 is larger in diameter than the outer diameter of the mounting bolt to facilitate passage of the bolt through the primary alignment sleeve. The sixth positioning hole 306 has a radius difference with the first inner hole 304, and a first tapered surface 307 is provided within the radius difference for guiding the mounting bolt. The outer diameter of the third lower surface 305 of the primary alignment sleeve 300 is greater than the outer diameter of the third upper surface 308, such that the primary alignment sleeve 300 has a first step surface 303.
An oblong positioning hole 406 is formed in the auxiliary positioning sleeve 400, the width of the oblong positioning hole 406 is larger than the outer diameter of the mounting bolt, and the length of the oblong positioning hole 406 is larger than the outer diameter of the mounting bolt. The second bore 404 of the secondary positioning sleeve 400 has a bore diameter larger than the outer diameter of the mounting bolt to facilitate the mounting bolt to pass through the secondary positioning sleeve. The oblong positioning hole 406 has a radius difference with the second inner hole 404, and a second conical surface 407 is arranged within the radius difference range for guiding the mounting bolt. The fourth lower surface 405 of the secondary alignment sleeve 400 has an outer diameter greater than the outer diameter of the fourth upper surface 408 such that the secondary alignment sleeve 400 has a second step surface 403. The secondary positioning sleeve 400 is also provided with a secondary positioning sleeve outer surface 401.
The third bore 504 of the front beam mounting sleeve 500 has a bore diameter larger than the outer diameter of the mounting bolt to facilitate the mounting bolt to pass through the front beam mounting sleeve. The outer diameter of the fifth lower surface 505 of the front beam mounting sleeve 500 is larger than the outer diameter of the fifth upper surface 506 such that the front beam mounting sleeve 500 has a third step surface 503.
The fourth bore 604 of the rear cross beam mounting sleeve 600 has a bore diameter larger than the outer diameter of the mounting bolt, which facilitates the mounting bolt to pass through the rear cross beam mounting sleeve. The sixth lower surface 605 of the rear cross member mounting sleeve 600 has an outer diameter greater than the sixth upper surface 606 so that the rear cross member mounting sleeve 600 has a fourth step surface 603.
The bore diameter of the fifth bore 704 of the suspension mounting sleeve 700 is larger than the outer diameter of the mounting bolt, facilitating the mounting bolt to pass through the suspension mounting sleeve. The seventh upper surface 706 of the suspension mounting sleeve 700 has an outer diameter greater than the outer diameter of the seventh lower surface 705, such that the suspension mounting sleeve 700 has a fifth step surface 703.
In the suspension mounting device for the aluminum power assembly of the pure electric vehicle, the two ends of the front beam 100, the third lower surface 305 of the main positioning sleeve 300 and the fifth lower surface 505 of the front beam mounting sleeve 500 are in contact with the body-in-white framework, and are locked with the body-in-white framework through two bolts.
The sixth lower surface 605 of the rear cross member mounting sleeve 600, at both ends of the rear cross member 200, is in contact with the body-in-white frame, and is locked to the body-in-white frame by a bolt.
The seventh lower surface 705 of the suspension mounting sleeve 700 is in suspension contact with the powertrain, and locking of the powertrain suspension and the powertrain suspension mounting device is achieved through bolts.
The first upper surface 101 of the front cross member 100 is provided with a first mounting through hole 111 of the main positioning sleeve 300 and a third mounting through hole 113 of the front cross member mounting sleeve 500. The first mounting through hole 111 is in clearance fit with the outer surface 301 of the main positioning sleeve, and the third mounting through hole 113 is also in clearance fit with the outer surface 501 of the front cross beam mounting sleeve.
The second positioning hole 121 of the main positioning sleeve 300 and the fourth positioning hole 123 of the front cross member mounting sleeve 500 are formed in the first lower surface 102 of the front cross member 100. The second positioning hole 121 is in clearance fit with the outer surface 301 of the main positioning sleeve, and the fourth positioning hole 123 is also in clearance fit with the outer surface 501 of the front beam mounting sleeve
After the holes are formed in the upper surface and the lower surface of the front cross beam 100, the internal reinforcing ribs 104 of the front cross beam 100 are still complete, and the structural strength and the rigidity of the front cross beam 100 are guaranteed to the maximum extent.
The third lower surface 305 of the primary locator sleeve 300 is raised above the first lower surface 102 of the front cross member 100 from normal to enable fillet welding of the primary locator sleeve 300 to the front cross member 100. The welding is easy to operate, the welding strength is high, and polishing is not needed after welding.
The fifth lower surface 505 of the front cross member mounting sleeve 500 is raised normally above the first lower surface 102 of the front cross member 100 to effect fillet welding of the front cross member mounting sleeve 500 to the front cross member 100. The welding is easy to operate, the welding strength is high, and polishing is not needed after welding.
The third upper surface 308 of the primary locator sleeve 300 is raised above the first upper surface 101 of the front cross member 100 normal to effect fillet welding of the primary locator sleeve 300 to the front cross member 100. The welding is easy to operate, the welding strength is high, and polishing is not needed after welding.
The fifth upper surface 506 of the front cross member mounting sleeve 500 is raised normally above the first upper surface 101 of the front cross member 100 to effect fillet welding of the front cross member mounting sleeve 500 to the front cross member 100. The welding is easy to operate, the welding strength is high, and polishing is not needed after welding.
The first step surface 303 of the main locating sleeve 300 is in contact with the first lower surface 102 of the front cross beam 100, so that the height direction locating can be realized, and meanwhile, the load of the front cross beam 100 can be transmitted to the third lower surface 305 through the first step surface 303, so that the stress concentration is reduced.
The third step surface 503 of the front cross member mounting sleeve 500 is in contact with the first lower surface 102 of the front cross member 100, so that the positioning in the height direction can be achieved, and the load of the front cross member 100 can be transmitted to the fifth lower surface 505 through the third step surface 503, so that the stress concentration is reduced.
The second upper surface 201 of the rear cross member 200 is provided with a fifth mounting through hole 211 of the rear cross member mounting sleeve 600. The fifth mounting via 211 is a clearance fit with the rear beam mounting sleeve outer surface 601.
The second lower surface 202 of the rear cross member 200 is provided with a fifth positioning hole 221 of the rear cross member mounting sleeve 600. The fifth locating hole 221 is a clearance fit with the rear beam mounting sleeve outer surface 601.
The sixth lower surface 605 of the rear cross member mounting sleeve 600 is raised from the second lower surface 202 of the rear cross member 200 by a normal direction to achieve fillet welding of the rear cross member mounting sleeve 600 and the rear cross member 200. The welding is easy to operate, the welding strength is high, and polishing is not needed after welding.
The sixth upper surface 606 of the rear cross member mounting sleeve 600 is raised normally above the second upper surface 201 of the rear cross member 200 to achieve fillet welding of the rear cross member mounting sleeve 600 to the rear cross member 200. The welding is easy to operate, the welding strength is high, and polishing is not needed after welding.
The fourth step 603 of the rear cross member mounting sleeve 600 contacts the second lower surface 202 of the rear cross member 200, so that the positioning in the height direction can be realized, and meanwhile, the load of the rear cross member 200 can be transmitted to the sixth lower surface 605 through the fourth step surface 603, so that the stress concentration is reduced.
The first upper surface 101 of the front cross member 100 is provided with a first positioning hole 114 for suspending the mounting sleeve 700. The first locating hole 114 is a clearance fit with the outer surface 701 of the suspension mounting sleeve.
The first lower surface 102 of the front beam 100 has a fourth mounting via 124 for suspending the mounting sleeve 700. The fourth mounting via 124 is a clearance fit with the suspension mounting sleeve outer surface 701.
The seventh upper surface 706 of the suspension mounting sleeve 700 is raised normally above the first upper surface 101 of the front beam 100 to enable fillet welding of the suspension mounting sleeve 700 to the front beam 100. The welding is easy to operate, the welding strength is high, and polishing is not needed after welding.
The seventh lower surface 705 of the suspension mounting sleeve 700 is raised normally above the first lower surface 102 of the front cross member 100 to enable fillet welding of the suspension mounting sleeve 700 to the front cross member 100. The welding is easy to operate, the welding strength is high, and polishing is not needed after welding.
The fifth step surface 703 of the suspension mounting sleeve 700 is in contact with the first upper surface 101 of the front cross beam 100, so that the positioning in the height direction can be realized, and meanwhile, the load of the suspension mounting bolt can be transmitted to the fifth step surface 703 through the seventh upper surface 706 and then transmitted to the front cross beam 100, so that the stress concentration is reduced.
The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.
Claims (9)
1. The utility model provides a pure electric vehicles aluminium system power assembly suspension installation device which characterized in that: comprises a front cross beam (100), a rear cross beam (200), a main positioning sleeve (300), an auxiliary positioning sleeve (400), a front cross beam mounting sleeve (500), a rear cross beam mounting sleeve (600), a suspension mounting sleeve (700), a first longitudinal beam (800), a second longitudinal beam (900), a third longitudinal beam (1000) and a rivet nut (1100), the front cross beam (100) is connected with the main positioning sleeve (300), the auxiliary positioning sleeve (400), the front cross beam mounting sleeve (500), the suspension mounting sleeve (700), the first longitudinal beam (800), the second longitudinal beam (900) and the third longitudinal beam (1000) through MIG welding, the front cross beam (100) is connected with the rivet nut (1100) through rivet pulling, the rear cross beam (200) is connected with the rear cross beam mounting sleeve (600), the first longitudinal beam (800), the second longitudinal beam (900) and the third longitudinal beam (1000) through MIG welding, and the rear cross beam (200) is connected with the rivet nut (1100) through rivet pulling.
2. The aluminum powertrain suspension mounting device of the pure electric vehicle as recited in claim 1, wherein: the cross section of the front beam is in a shape of Chinese character ri, the two cavities are arranged in parallel front and back, and the wall thickness of the first upper surface (101) and the first lower surface (102) is larger than that of the first front surface (103), the first rear surface (105) and the reinforcing ribs (104).
3. The aluminum powertrain suspension mounting device of the pure electric vehicle as recited in claim 2, wherein: the first upper surface (101) of the front cross beam (100) is provided with: the first installation via hole (111) of main locating sleeve (300), second installation via hole (112) of supplementary locating sleeve (400), third installation via hole (113) of front beam installation sleeve (500), first locating hole (114) of suspension installation sleeve (700), open first lower surface (102) of front beam (100) has: the second positioning hole (121) of the main positioning sleeve (300), the third positioning hole (122) of the auxiliary positioning sleeve (400), the fourth positioning hole (123) of the front cross beam mounting sleeve (500) and the fourth mounting through hole (124) of the suspension mounting sleeve (700).
4. The aluminum powertrain suspension mounting device of the pure electric vehicle as recited in claim 3, wherein: the cross section of the rear cross beam (200) is square, the wall thicknesses of the second upper surface (201) and the second lower surface (202) are larger than the wall thicknesses of the second front surface (203) and the second rear surface (204), a fifth mounting through hole (211) of the rear cross beam mounting sleeve (600) is formed in the second upper surface (201) of the rear cross beam (200), and a fifth positioning hole (221) of the rear cross beam mounting sleeve (600) is formed in the second lower surface (202) of the rear cross beam (200).
5. The aluminum powertrain suspension mounting device of the pure electric vehicle as recited in claim 4, wherein: the inner part of the main positioning sleeve (300) is provided with a sixth positioning hole (306) and a first inner hole (304), the sixth positioning hole (306) and the first inner hole (304) have a radius difference, a first conical surface (307) is arranged in the radius difference range, and the outer diameter of the third lower surface (305) of the main positioning sleeve (300) is larger than that of the third upper surface (308), so that the main positioning sleeve (300) is provided with a first step surface (303).
6. The aluminum powertrain suspension mounting device of the pure electric vehicle as recited in claim 5, wherein: the inside of auxiliary positioning sleeve (400) is equipped with long circular locating hole (406) and second hole (404), there is the radius difference long circular locating hole (406) and second hole (404), has a second toper face (407) in the radius difference range, the external diameter of fourth lower surface (405) of auxiliary positioning sleeve (400) is greater than the external diameter of fourth upper surface (408), makes auxiliary positioning sleeve (400) have a second step face (403).
7. The aluminum powertrain suspension mounting device of the pure electric vehicle as recited in claim 6, wherein: the front beam mounting sleeve (500) is provided with a third inner hole (504), and the outer diameter of a fifth lower surface (505) of the front beam mounting sleeve (500) is larger than that of a fifth upper surface (506), so that the front beam mounting sleeve (500) is provided with a third step surface (503).
8. The aluminum powertrain suspension mounting device of the pure electric vehicle as recited in claim 7, wherein: the rear cross beam mounting sleeve (600) is provided with a fourth inner hole (604), and the outer diameter of a sixth lower surface (605) of the rear cross beam mounting sleeve (600) is larger than that of a sixth upper surface (606), so that the rear cross beam mounting sleeve (600) is provided with a fourth step surface (603).
9. The aluminum powertrain suspension mounting device of the pure electric vehicle as recited in claim 8, wherein: the suspension mounting sleeve (700) is provided with a fifth inner hole (704), and the outer diameter of a seventh upper surface (706) of the suspension mounting sleeve (700) is larger than that of a seventh lower surface (705), so that the suspension mounting sleeve (700) is provided with a fifth step surface (703).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911122625.4A CN111301523B (en) | 2019-11-15 | 2019-11-15 | Pure electric vehicles aluminium system power assembly suspension installation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911122625.4A CN111301523B (en) | 2019-11-15 | 2019-11-15 | Pure electric vehicles aluminium system power assembly suspension installation device |
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| CN111301523A true CN111301523A (en) | 2020-06-19 |
| CN111301523B CN111301523B (en) | 2023-03-21 |
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| CN201911122625.4A Active CN111301523B (en) | 2019-11-15 | 2019-11-15 | Pure electric vehicles aluminium system power assembly suspension installation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112482678A (en) * | 2020-12-01 | 2021-03-12 | 南通德瑞森复合材料有限公司 | Glass fiber reinforced plastic stair sloping beam shaped like Chinese character' ri |
| CN112722096A (en) * | 2020-12-18 | 2021-04-30 | 山推工程机械股份有限公司 | Bogie frame structure of bulldozer |
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| CN112482678A (en) * | 2020-12-01 | 2021-03-12 | 南通德瑞森复合材料有限公司 | Glass fiber reinforced plastic stair sloping beam shaped like Chinese character' ri |
| CN112722096A (en) * | 2020-12-18 | 2021-04-30 | 山推工程机械股份有限公司 | Bogie frame structure of bulldozer |
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| Publication number | Publication date |
|---|---|
| CN111301523B (en) | 2023-03-21 |
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