CN111332364A - Electric automobile roof beam structure - Google Patents
Electric automobile roof beam structure Download PDFInfo
- Publication number
- CN111332364A CN111332364A CN202010151064.7A CN202010151064A CN111332364A CN 111332364 A CN111332364 A CN 111332364A CN 202010151064 A CN202010151064 A CN 202010151064A CN 111332364 A CN111332364 A CN 111332364A
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- Prior art keywords
- fixedly connected
- main
- fixed
- auxiliary
- longitudinal beam
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D27/00—Connections between superstructure or understructure sub-units
- B62D27/02—Connections between superstructure or understructure sub-units rigid
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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 relates to the technical field of automobile beam frames, in particular to an electric automobile beam frame which comprises a main longitudinal beam, wherein the upper surface of the main longitudinal beam is fixedly connected with a cross beam mechanism through a fixing mechanism, two sides of the cross beam mechanism are fixedly connected with auxiliary longitudinal beams, a stabilizing mechanism is fixedly arranged on the upper surface of the auxiliary longitudinal beams, a convex beam is clamped on the upper surface of a column longitudinal beam, the auxiliary longitudinal beams are clamped inside grooves on the surface of the main cross beam, then two ends of the auxiliary longitudinal beams and two ends of the auxiliary cross beams are mutually welded, so that the main cross beam and the main longitudinal beam are fixed with the auxiliary cross beam and the auxiliary longitudinal beams, then a threaded bolt is inserted into a through hole on the surface of a clamping plate, so that the threaded bolt is in threaded connection with a threaded hole, the main cross beam and the main longitudinal beam are fixed through the clamping plate, the loosening deformation of the riveting point or the welding point of an automobile frame, greatly prolonging the service life of the frame.
Description
Technical Field
The invention relates to the technical field of automobile beam frames, in particular to an electric automobile beam frame.
Background
The frame is a frame structure bridged over the front and rear axles of the automobile, commonly called a crossbeam, and is a base body of the automobile. Generally, the suspension device is composed of two longitudinal beams and a plurality of cross beams, and is supported on wheels through a suspension device, a front axle and a rear axle. The frame must have sufficient strength and rigidity to withstand the load of the vehicle and the impact transmitted from the wheels. The function of the frame is to support and connect the various assemblies of the vehicle, to keep the assemblies in relatively correct positions, and to bear various loads inside and outside the vehicle.
In the large goods for conveying materials, the longitudinal beams and the transverse beams are connected into a firm rigid framework by a complete riveting method or a welding method of the automobile frame, the method ensures that the forces borne by the transverse beams and the longitudinal beams can be transmitted to the riveting points or the welding points when the automobile frame is used, the connection of the riveting points or the welding points can be loosened and deformed after the automobile frame is used, the automobile frame further shakes, the load of the automobile and the impact transmitted from wheels cannot be borne, and the service life of the automobile frame is short.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an electric automobile beam frame.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an electric automobile roof beam structure, includes the main longitudinal beam, through fixed establishment fixedly connected with crossbeam mechanism on the upper surface of main longitudinal beam, the both sides fixedly connected with auxiliary longitudinal beam of crossbeam mechanism, the fixed stabilizing mean that is provided with on the upper surface of auxiliary longitudinal beam, fixedly connected with extrusion mechanism on stabilizing mean's the upper surface, extrusion mechanism and crossbeam mechanism contact setting.
The beam mechanism comprises a main beam, a convex beam, a groove and an auxiliary beam, wherein the convex beam is fixedly connected between the main beam, the convex beam is connected to the upper surface of the main longitudinal beam in a clamped mode, the groove is formed in the upper surface of the main beam, the auxiliary longitudinal beam is connected to the inner portion of the groove in a clamped mode, the two ends of the auxiliary longitudinal beam are fixedly connected with the auxiliary beam, and the center of the upper surface of the auxiliary beam is fixedly connected with the main longitudinal beam.
Specifically, fixed establishment includes cardboard, through-hole, screw thread bolt, two cardboard fixed connection is at the upper surface both ends of main longitudinal beam, two the equal joint in inside of cardboard has protruding roof beam, two all seted up the through-hole on the two lateral walls of surveying of cardboard, two all set up the screw hole on the two lateral walls of surveying of protruding roof beam, the inside screw thread bolt that is equipped with of inserting of through-hole, screw thread bolt and screw hole threaded connection.
Specifically, the stabilizing mechanism comprises moving chutes, moving sliding blocks, threaded cylinders, two-way screws, first hanging rings, steel cables, second hanging rings, discs, bearings, fixed cylinders, fixed plates, limiting sliding grooves, springs, limiting sliding plates and clamping grooves, wherein the two moving chutes are respectively formed in the upper surfaces of two auxiliary longitudinal beams, the two moving sliding grooves are respectively connected with the two moving sliding blocks in a sliding manner, the upper surfaces of the two moving sliding blocks are respectively and fixedly connected with the threaded cylinders, the inner threads of the two threaded cylinders are connected with the same two-way screw, the surfaces of the two threaded cylinders are respectively and fixedly connected with the first hanging rings, the inner parts of the two first hanging rings are respectively and fixedly connected with the steel cables, the other ends of the two steel cables are respectively and fixedly connected with the inner parts of the second hanging rings, the two second hanging rings are fixedly connected with the outer circle side wall of one side of the same disc, the fixed cover of the one end of two-way screw rod has connect the bearing on the surface, fixed cover has connect fixed section of thick bamboo on the outer wall of bearing, fixed section of thick bamboo fixed connection is on the upper surface of vice longeron, two fixed plates of fixedly connected with on the upper surface of vice longeron, two spacing spout, two have all been seted up on the one side lateral wall that the fixed plate is close to each other the equal fixedly connected with spring in inside of spacing spout, two the same spacing slide of other end fixedly connected with of spring, the both sides sliding connection of spacing slide is inside two spacing spouts, the one end that two-way screw rod is close to the fixed plate has seted up the draw-in groove.
Specifically, extrusion mechanism includes U-shaped snap ring, lifter, jack, inclined plane, chute, the both ends fixed connection of U-shaped snap ring is on the upper surface of disc, U-shaped snap ring joint is on the upper surface of main longitudinal beam, fixedly connected with lifter on the upper surface of U-shaped snap ring, inside the jack was established at the both ends of lifter, two the jack was seted up on two cardboard are close to one side lateral wall of lifter, the lifter is located the inside one end lower surface of jack and has seted up the inclined plane, inclined plane and chute in close contact with, the chute is seted up on two convex beams are close to one side upper surface of lifter.
Specifically, two threaded cylinders in threaded connection on the surface of the bidirectional screw are opposite in direction, and one end, far away from the clamping groove, of the bidirectional screw is fixedly connected with a rotating plate.
The invention has the beneficial effects that:
(1) according to the electric automobile beam frame, the convex beam is clamped on the upper surface of the column longitudinal beam, the auxiliary longitudinal beam is clamped inside the groove on the surface of the main cross beam, then the two ends of the auxiliary longitudinal beam and the two ends of the auxiliary cross beam are mutually welded, the main cross beam and the main longitudinal beam are fixed with the auxiliary cross beam and the auxiliary longitudinal beam, then the threaded bolt is inserted into the through hole on the surface of the clamping plate, the threaded bolt is in threaded connection with the threaded hole, the main cross beam and the main longitudinal beam are fixed through the clamping plate, the connecting part of the riveting point or the welding point of an automobile frame is prevented from being loosened and deformed, the automobile frame is prevented from shaking and being incapable of bearing the load of an automobile and the impact transmitted from wheels, and the service life.
(2) According to the electric automobile beam frame, the stabilizing mechanism is arranged, the two screw rods are used for driving the two opposite threaded cylinders to move according to the two ends of the longitudinal beam, so that the first hanging ring labor steel cable is further enabled, the disc is pulled through steel and plastic, the connection between the auxiliary longitudinal beam and the column longitudinal beam is enabled to be stable, the longitudinal beam is prevented from shaking, and the automobile frame is prevented from moving unstably.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic top view of an electric vehicle beam mount according to the present invention;
FIG. 2 is a side cross-sectional view of an electric vehicle beam mount provided by the present invention;
FIG. 3 is a schematic structural diagram of a main cross beam of an electric automobile beam frame provided by the invention;
FIG. 4 is an enlarged view of a portion A of an electric automobile beam frame provided by the invention in FIG. 1;
fig. 5 is an enlarged view of a part B in fig. 2 of an electric automobile beam frame provided by the invention.
In the figure: 1. a main stringer; 2. a beam mechanism; 21. a main cross beam; 22. a convex beam; 23. a groove; 24. a secondary cross beam; 3. a fixing mechanism; 31. clamping a plate; 32. a through hole; 33. a threaded hole; 34. a threaded bolt; 4. a secondary stringer; 5. a stabilizing mechanism; 51. a moving chute; 52. moving the slide block; 53. a threaded barrel; 54. a bidirectional screw; 55. a first suspension loop; 56. a steel cord; 57. a second suspension loop; 58. a disc; 59. a bearing; 510. a fixed cylinder; 511. a fixing plate; 512. a limiting chute; 513. a spring; 514. a limiting sliding plate; 515. a card slot; 6. an extrusion mechanism; 61. a U-shaped snap ring; 62. an extrusion stem; 63. a jack; 64. a bevel; 65. a chute; 7. and (6) rotating the plate.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-5, the beam frame of the electric vehicle according to the present invention comprises a main longitudinal beam 1, a cross beam mechanism 2 is fixedly connected to an upper surface of the main longitudinal beam 1 through a fixing mechanism 3, two sides of the cross beam mechanism 2 are fixedly connected to auxiliary longitudinal beams 4, a stabilizing mechanism 5 is fixedly arranged on an upper surface of the auxiliary longitudinal beams 4, an extruding mechanism 6 is fixedly connected to an upper surface of the stabilizing mechanism 5, and the extruding mechanism 6 is in contact with the cross beam mechanism 2.
Specifically, crossbeam mechanism 2 includes main beam 21, protruding roof beam 22, recess 23, vice crossbeam 24, fixedly connected with protruding roof beam 22 between two main beams 21, protruding roof beam 22 joint is on the upper surface of main longitudinal beam 1, recess 23 has been seted up on the upper surface of two main beams 21, the inside joint of two recess 23 has vice longeron 4, the both ends of two vice longerons 4 all with vice crossbeam 24 fixed connection, the upper surface center department and the main longitudinal beam 1 fixed connection of vice crossbeam 24, with protruding roof beam 22 joint on the upper surface of post longeron 1, with vice longeron 4 joint inside the recess 23 on main beam 21 surface, then with the both ends of vice longeron and the both ends of vice crossbeam 24 mutual welding, make main beam 21 and main longitudinal beam 1 fixed with vice crossbeam 24 and vice longeron 4.
Specific, fixed establishment 3 includes cardboard 31, through-hole 32, screw hole 33, threaded bolt 34, two cardboard 31 fixed connection are at the upper surface both ends of main longitudinal beam 1, the equal joint in inside of two cardboard 31 has protruding roof beam 22, through-hole 32 has all been seted up on two survey lateral walls of two cardboard 31, threaded hole 33 has all been seted up on two survey lateral walls of two protruding roof beams 22, through-hole 32 is inside to be inserted and is equipped with threaded bolt 34, threaded bolt 34 and screw hole 33 threaded connection, it is inside to insert the through-hole 32 on cardboard 31 surface with threaded bolt 34, make threaded bolt 34 and screw hole 33 threaded connection, and then it is fixed with main transverse beam 21 and main longitudinal beam 1 through the cardboard, and then prevent main transverse beam 21 and main longitudinal beam 1 separation, rock to preventing main transverse beam 21 again.
Specifically, the stabilizing mechanism 5 includes a moving chute 51, moving sliders 52, threaded cylinders 53, two-way screws 54, first hanging rings 55, steel cables 56, second hanging rings 57, a disc 58, a bearing 59, a fixed cylinder 510, a fixing plate 511, a limiting chute 512, a spring 513, a limiting sliding plate 514 and a clamping groove 515, the two moving chutes 51 are respectively arranged on the upper surfaces of the two auxiliary longitudinal beams 4, the two moving sliders 52 are respectively connected inside the two moving chutes 51 in a sliding manner, the threaded cylinders 53 are respectively and fixedly connected on the upper surfaces of the two moving sliders 52, the same two-way screw 54 is connected to the internal threads of the two threaded cylinders 53, the first hanging rings 55 are respectively and fixedly connected on the surfaces of the two threaded cylinders 53, the steel cables 56 are respectively and fixedly connected inside the two first hanging rings 55, the other ends of the two steel cables 56 are respectively and fixedly connected inside the second hanging rings 57, the two second hanging rings 57 are fixedly connected on the outer circumferential side wall of one side of the same disc, the surface of one end of the bidirectional screw 54 is fixedly sleeved with a bearing 59, the outer wall of the bearing 59 is fixedly sleeved with a fixed cylinder 510, the fixed cylinder 510 is fixedly connected to the upper surface of the auxiliary longitudinal beam 4, the upper surfaces of the two auxiliary longitudinal beams 4 are fixedly connected with two fixing plates 511, the side walls of the two fixing plates 511 close to each other are respectively provided with a limiting sliding chute 512, the insides of the two limiting sliding chutes 512 are respectively and fixedly connected with a spring 513, the other ends of the two springs 513 are respectively and fixedly connected with a same limiting sliding plate 514, the two sides of the limiting sliding plates 514 are slidably connected to the insides of the two limiting sliding chutes 512, one end of the bidirectional screw 54 close to the fixing plate 511 is provided with a clamping groove 515, the limiting sliding plate 514 is clamped inside the clamping groove 515, the bidirectional screw 54 is rotated, the two threaded cylinders 53 in opposite directions are driven to be away from each other by the bidirectional, further, the wire rope 56 is pulled by the first pull ring 55 through the two threaded cylinders 53, the disk 58 is pulled by the second pull ring 57 through the wire rope 56, the disk 58 is sleeved on the surface of the main longitudinal beam 1 through the U-shaped snap ring 61, and the threaded cylinders 563 are pulled by the wire rope 56, so that the main longitudinal beam 1 and the auxiliary longitudinal beam 4 are more stable.
Specifically, the extruding mechanism 6 includes a U-shaped snap ring 61, an extruding rod 62, a jack 63, an inclined surface 64, and a chute 65, two ends of the U-shaped snap ring 61 are fixedly connected to the upper surface of the disc 58, the U-shaped snap ring 61 is connected to the upper surface of the main longitudinal beam 1 in a clamping manner, the extruding rod 62 is fixedly connected to the upper surface of the U-shaped snap ring 61, two ends of the extruding rod 62 are inserted into the jack 63, two jacks 63 are formed on the side walls of two clamping plates 31 near the extruding rod 62, the inclined surface 64 is formed on the lower surface of one end of the extruding rod 62 located inside the jack 63, the inclined surface 64 is in close contact with the chute 65, the chute 65 is formed on the upper surface of one side of two convex beams 22 near the extruding rod 62, the disc 58 is driven to move by the movement of the main longitudinal beam 1 and the auxiliary longitudinal beam 4, the disc 58 moves along with the main longitudinal beam 1, the pressurizing rod 62 is driven by the movement of the disc 58, the inclined plane 64 extrudes the inclined groove 65, so that the main longitudinal beam 1 is fixed inside the two clamping plates 31, the main longitudinal beam 1 and the convex beam 22 are fixed more stably, and the automobile frame is prevented from shaking.
Specifically, two threaded cylinders 53 in threaded connection on the surface of the bidirectional screw 54 are opposite in direction, the two threaded cylinders 53 opposite in direction are driven to be away from each other by rotating the bidirectional screw 54, one end, far away from the clamping groove 515, of the bidirectional screw 54 is fixedly connected with a rotating plate 7, and the bidirectional screw 54 is conveniently rotated by rotating the rotating plate 7.
When the steel cable pull ring is used, firstly, the convex beam 22 is clamped on the upper surface of the column longitudinal beam 1, the auxiliary longitudinal beam 4 is clamped inside the groove 23 on the surface of the main transverse beam 21, then the two ends of the auxiliary longitudinal beam and the two ends of the auxiliary transverse beam 24 are welded with each other, the main transverse beam 21 and the main longitudinal beam 1 are fixed with the auxiliary transverse beam 24 and the auxiliary longitudinal beam 4, then the threaded bolt 34 is inserted into the through hole 32 on the surface of the clamping plate 31, the threaded bolt 34 is in threaded connection with the threaded hole 33, the main transverse beam 21 and the main longitudinal beam 1 are fixed through the clamping plate, the main transverse beam 21 is prevented from being separated from the main longitudinal beam 1, the main transverse beam 21 is prevented from shaking, the bidirectional screw 54 is rotated, two threaded cylinders 53 in opposite directions are driven to be away from each other through the bidirectional screw 54, the movable sliding block 52 is driven to be away from each other through the threaded cylinder 53, the moving track of the movable sliding block, wire rope 56 passes through second pull ring 57 pulling disc 58, disc 58 cup joints on the surface at main longitudinal girder 1 through U-shaped snap ring 61, pull through wire rope 56 to screw cylinder 563, and then make main longitudinal girder 1 and vice longeron 4 more stable, the removal through main longitudinal girder 1 and vice longeron 4 drives disc 58 and removes, disc 58 follows main longitudinal girder 1 and removes, disc 58 can drive pressure bar 62 and remove when removing, it inserts inside chute 65 to run through jack 63 on cardboard 31 surface through the inclined plane 64 that extrusion bar 62 both ends set up, extrude chute 65 through inclined plane 64, it is inside at two cardboard 31 to make main longitudinal girder 1 fix, it is more stable to make main longitudinal girder 1 and protruding roof beam 22 fixed, prevent that automobile frame from rocking.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an electric automobile roof beam structure, includes main longitudinal beam (1), through fixed establishment (3) fixedly connected with crossbeam mechanism (2) on the upper surface of main longitudinal beam (1), the vice longeron (4) of both sides fixedly connected with of crossbeam mechanism (2), the fixed stabilizing mean (5) that is provided with on the upper surface of vice longeron (4), fixedly connected with extrusion mechanism (6) on the upper surface of stabilizing mean (5), extrusion mechanism (6) and crossbeam mechanism (2) contact setting.
2. The electric automobile beam frame as claimed in claim 1, wherein: crossbeam mechanism (2) are including main beam (21), protruding roof beam (22), recess (23), vice crossbeam (24), two fixedly connected with protruding roof beam (22) between main beam (21), protruding roof beam (22) joint is on the upper surface of main longitudinal beam (1), two set up recess (23) on the upper surface of main beam (21), two the inside joint of recess (23) has vice longeron (4), two the both ends of vice longeron (4) all with vice crossbeam (24) fixed connection, the upper surface center department and main longitudinal beam (1) fixed connection of vice crossbeam (24).
3. The electric automobile beam frame as claimed in claim 1, wherein: fixed establishment (3) are including cardboard (31), through-hole (32), screw hole (33), screw bolt (34), two cardboard (31) fixed connection is at the upper surface both ends of main longitudinal beam (1), two the equal joint in inside of cardboard (31) has protruding roof beam (22), two through-hole (32) have all been seted up on the two side wall of surveying of cardboard (31), two screw hole (33) have all been seted up on the two side wall of surveying of protruding roof beam (22), through-hole (32) inside is inserted and is equipped with screw bolt (34), screw bolt (34) and screw hole (33) threaded connection.
4. The electric automobile beam frame as claimed in claim 1, wherein: the stabilizing mechanism (5) comprises moving chutes (51), moving sliding blocks (52), threaded cylinders (53), two-way screws (54), first hanging rings (55), steel cables (56), second hanging rings (57), a disc (58), a bearing (59), a fixed cylinder (510), a fixed plate (511), limiting sliding grooves (512), a spring (513), a limiting sliding plate (514) and a clamping groove (515), wherein the two moving chutes (51) are respectively arranged on the upper surfaces of the two auxiliary longitudinal beams (4), the two moving sliding grooves (51) are respectively connected with the two moving sliding blocks (52) in a sliding manner, the upper surfaces of the two moving sliding blocks (52) are respectively and fixedly connected with the threaded cylinders (53), the inner threads of the two threaded cylinders (53) are connected with the same two-way screw (54), and the surfaces of the two threaded cylinders (53) are respectively and fixedly connected with the first hanging rings (55), the inner parts of the two first hanging rings (55) are fixedly connected with a steel cable (56), the other ends of the two steel cables (56) are fixedly connected inside a second hanging ring (57), the two second hanging rings (57) are fixedly connected on the outer circular side wall of one side of the same disc (58), one end of the two-way screw (54) is fixedly sleeved with a bearing (59) on the surface, the outer wall of the bearing (59) is fixedly sleeved with a fixed cylinder (510), the fixed cylinder (510) is fixedly connected on the upper surface of the auxiliary longitudinal beam (4), the upper surfaces of the two auxiliary longitudinal beams (4) are fixedly connected with two fixed plates (511), the side walls of the two fixed plates (511) close to each other are respectively provided with a limiting sliding groove (512), the inner parts of the two limiting sliding grooves (512) are respectively and fixedly connected with a spring (513), and the other ends of the springs (513) are fixedly connected with the same limiting sliding plate (514), the both sides sliding connection of spacing slide (514) is inside two spacing spout (512), draw-in groove (515) have been seted up to the one end that two-way screw rod (54) are close to fixed plate (511), draw-in groove (515) inside joint has spacing slide (514).
5. The electric automobile beam frame as claimed in claim 1, wherein: the extrusion mechanism (6) comprises a U-shaped snap ring (61), an extrusion rod (62), an insertion hole (63), an inclined plane (64) and an inclined groove (65), two ends of the U-shaped snap ring (61) are fixedly connected on the upper surface of the disc (58), the U-shaped clamp ring (61) is clamped on the upper surface of the main longitudinal beam (1), an extrusion rod (62) is fixedly connected on the upper surface of the U-shaped clamp ring (61), two ends of the extrusion rod (62) are inserted into the insertion holes (63), the two insertion holes (63) are formed in the side walls of the two clamping plates (31) close to one side of the extrusion rod (62), the lower surface of one end of the extrusion rod (62) positioned in the insertion hole (63) is provided with an inclined surface (64), the inclined surface (64) is in close contact with a chute (65), and the chute (65) is formed in the upper surface of one side, close to the extrusion rod (62), of the two convex beams (22).
6. The electric automobile beam frame as claimed in claim 4, wherein: two threaded cylinders (53) which are in threaded connection on the surface of the bidirectional screw (54) are opposite in direction; and one end of the bidirectional screw (54) far away from the clamping groove (515) is fixedly connected with a rotating plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010151064.7A CN111332364A (en) | 2020-03-06 | 2020-03-06 | Electric automobile roof beam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010151064.7A CN111332364A (en) | 2020-03-06 | 2020-03-06 | Electric automobile roof beam structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111332364A true CN111332364A (en) | 2020-06-26 |
Family
ID=71178050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010151064.7A Withdrawn CN111332364A (en) | 2020-03-06 | 2020-03-06 | Electric automobile roof beam structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111332364A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115140202A (en) * | 2022-07-21 | 2022-10-04 | 江西江铃专用车辆厂有限公司 | Lightweight refrigerator car structure and manufacturing method thereof |
-
2020
- 2020-03-06 CN CN202010151064.7A patent/CN111332364A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115140202A (en) * | 2022-07-21 | 2022-10-04 | 江西江铃专用车辆厂有限公司 | Lightweight refrigerator car structure and manufacturing method thereof |
| CN115140202B (en) * | 2022-07-21 | 2023-08-01 | 江西江铃专用车辆厂有限公司 | Light-weight refrigerator car structure and manufacturing method thereof |
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Application publication date: 20200626 |
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| WW01 | Invention patent application withdrawn after publication |