CN113581301A - Carriage and electric motor car - Google Patents
Carriage and electric motor car Download PDFInfo
- Publication number
- CN113581301A CN113581301A CN202111039517.8A CN202111039517A CN113581301A CN 113581301 A CN113581301 A CN 113581301A CN 202111039517 A CN202111039517 A CN 202111039517A CN 113581301 A CN113581301 A CN 113581301A
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- Prior art keywords
- carriage
- bottom plate
- frame
- plate
- aluminum alloy
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- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 38
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 abstract description 5
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 2
- 230000008093 supporting effect Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/04—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains
-
- 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
- B62D27/023—Assembly of structural joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
- B62D29/008—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of light alloys, e.g. extruded
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The utility model discloses a carriage and electric motor car relates to electric motor car and commodity circulation and equips technical field. The carriage comprises a framework, a covering and a bottom plate, wherein the framework is made of aluminum alloy, the covering covers the framework, the bottom plate is arranged at the bottom of the framework, and the bottom plate is of a hollow structure. The framework, the skin and the bottom plate are all made of aluminum alloy, so that a full-aluminum carriage is formed, the weight of the carriage is reduced, the energy consumption of the vehicle is reduced, the energy is saved, the cruising ability of the vehicle is enhanced, and the recycling is facilitated. The electric vehicle comprises the carriage. The bottom plate is of a hollow structure, so that the weight can be reduced, the pressure bearing performance is good, the deformation resistance is strong, the deformation and the vibration buffering can be reduced, and the service life can be prolonged.
Description
Technical Field
The utility model relates to an electric motor car and commodity circulation equipment technical field especially relate to a carriage and electric motor car.
Background
The logistics carriage has the functions of storage, loading and unloading, carrying and the like. Due to the requirements on cost control and structural strength, the carriage is mostly made of thick steel plates, so that the weight of the carriage is heavy, the reduction of vehicle energy consumption is not facilitated, the requirement on energy consumption of an electric vehicle is high, and the endurance mileage of a pure electric van can be greatly influenced if the steel carriage is continuously adopted. The steel carriage is easy to rust after being exposed to the sun for a long time and blown by wind, rain and rain, and the damaged carriage has high maintenance cost and lower recovery value.
The bottom of the existing aluminum carriage adopts a structure combining a frame and a plate body, and when the carriage bears goods, the plate body is stressed greatly, is easy to deform and has a short service life.
Disclosure of Invention
The utility model provides a carriage, weight is lighter, has better bearing capacity.
The electric vehicle is lighter in weight and has better cruising ability.
According to the utility model provides a carriage, including skeleton, covering and bottom plate, the skeleton the covering with the material of bottom plate is the aluminum alloy, the covering cover in on the skeleton, the bottom plate set up in the bottom of skeleton, the bottom plate is hollow structure.
In one embodiment of the present disclosure, the bottom plate includes at least two aluminum alloy sections, and the adjacent aluminum alloy sections are connected in a splicing manner, and the aluminum alloy sections are hollow sections.
In an embodiment of the present disclosure, the aluminum alloy profile includes a body portion and a connecting portion, the body portion forms a hollow cavity, the connecting portion includes a clamping protrusion and a clamping groove, the clamping protrusion is disposed at one end of the body portion, the clamping groove is disposed at the other end of the body portion, and the clamping protrusion of one aluminum alloy profile can be clamped with the clamping groove of another aluminum alloy profile.
In one embodiment of the present disclosure, a stiffener is disposed within the cavity, the stiffener connecting the top wall and the bottom wall of the cavity.
In one embodiment of the disclosure, the aluminum alloy profile further comprises a support part, the support part comprises a transverse plate and a vertical plate which are vertically connected, and one end of the vertical plate, which is far away from the transverse plate, is connected with the bottom surface of the body part.
In one embodiment of the present disclosure, the risers are coplanar with one of the ribs.
In one embodiment of the present disclosure, the upper surface of the bottom plate is provided with an anti-slip protrusion.
In one embodiment of the present disclosure, the skeleton comprises:
the bottom frame is arranged around the circumferential direction of the bottom plate;
four upright columns are arranged, the four upright columns are respectively positioned at four corners of the bottom plate, and the bottom ends of the upright columns are connected with the bottom frame;
and the top end of the upright post is connected with the top frame.
In one embodiment of the present disclosure, the top frame includes a front plate roof side rail, the skin includes a roof skin, and an edge of the roof skin forms a downward bending portion, and the bending portion is attached to and riveted with the front plate roof side rail.
In an embodiment of the present disclosure, the bottom frame includes a left side plate lower side beam, a groove is formed on the left side plate lower side beam, the framework further includes a side frame, and the bottom of the side frame is inserted into the groove and fixedly connected through a closed flat round head blind rivet.
According to the present disclosure, an electric vehicle is provided, which comprises the carriage.
According to the technology disclosed by the invention, the framework, the skin and the bottom plate of the carriage are all made of aluminum alloy to form the all-aluminum carriage, so that the weight of the carriage is reduced, the energy consumption of the vehicle is reduced, the energy is saved, the cruising ability of the vehicle is enhanced, and the recycling is convenient. The bottom plate is of a hollow structure, so that the weight can be reduced, the pressure bearing performance is good, the deformation resistance is strong, the deformation and the vibration buffering can be reduced, and the service life can be prolonged.
It should be understood that the statements in this section do not necessarily identify key or critical features of the embodiments of the present disclosure, nor do they limit the scope of the present disclosure. Other features of the present disclosure will become apparent from the following description.
Drawings
The drawings are included to provide a better understanding of the present solution and are not to be construed as limiting the present disclosure. Wherein:
FIG. 1 is a schematic structural view of a vehicle cabin according to an embodiment of the present disclosure;
FIG. 2 is a schematic illustration of a wagon body with a skin omitted in accordance with an embodiment of the disclosure;
FIG. 3 is a schematic view of a right front pillar coupled to a front plate rocker, a right side plate rocker, according to an embodiment of the present disclosure;
FIG. 4 is a schematic illustration of a bottom panel, left side panel rocker and side frame connection according to an embodiment of the present disclosure;
FIG. 5 is a schematic illustration of a front deck roof rail to roof skin connection according to an embodiment of the present disclosure;
FIG. 6 is a schematic view of a front panel roof rail coupled to a right side panel roof rail according to an embodiment of the present disclosure;
FIG. 7 is a schematic view of a left side panel roof rail coupled to a rear door frame roof rail according to an embodiment of the present disclosure;
FIG. 8 is a partial structural schematic view of a roof of a vehicle cabin according to an embodiment of the present disclosure;
FIG. 9 is a schematic view of a portion of the structure of the floor of the bed in accordance with an embodiment of the present disclosure;
FIG. 10 is an enlarged view at A of FIG. 9;
fig. 11 is a schematic view of an aluminum alloy profile of a base plate according to an embodiment of the present disclosure.
In the figure:
10. a framework;
111. a front plate lower edge beam; 112. a left side plate lower edge beam; 113. a right side plate lower edge beam; 114. a lower edge beam of the rear door frame;
121. a left front pillar; 122. a right front pillar; 123. a left rear pillar; 124. a right rear pillar;
131. a front plate upper edge beam; 132. the left side plate is provided with an upper edge beam; 133. a right side plate upper edge beam; 134. the upper edge beam of the rear door frame;
14. a front frame; 141. a front cross member; 142. a front longitudinal beam;
15. a side frame; 151. a side cross member; 152. a side stringer;
161. a top cross beam;
20. covering a skin; 21. covering a side plate with skin; 22. a roof skin;
30. a base plate;
31. anti-skid projections; 32. an aluminum alloy profile; 321. a body portion; 320. a cavity; 322. clamping convex; 323. a card slot; 324. reinforcing ribs; 325. a support portion; 3251. a transverse plate; 3252. a vertical plate;
40. a rear door;
51. a corner-wrapping platen member; 52. a front top connection plate; 53. and a rear top surface connecting plate.
Detailed Description
Exemplary embodiments of the present disclosure are described below with reference to the accompanying drawings, in which various details of the embodiments of the disclosure are included to assist understanding, and which are to be considered as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.
Referring to fig. 1 to 2, an embodiment of the present disclosure provides a car body, including a framework 10 and a skin 20 covering the framework 10, where the framework 10 and the skin 20 are made of aluminum alloy, the skin 20 is divided into a front panel skin, a side panel skin 21 and a roof panel skin 22, and a stamping rib is disposed on a surface of the side panel skin 21 to enhance impact resistance. The carriage still includes bottom plate 30, and the material of bottom plate 30 is the aluminum alloy for the carriage is full aluminium carriage, lightens the weight in carriage, with the reduction vehicle energy consumption, the energy saving, the duration of reinforcing vehicle, and the recycle of being convenient for.
Specifically, the bottom frame includes four bottom edge beams, which are a front plate bottom edge beam 111, a left side plate bottom edge beam 112, a right side plate bottom edge beam 113, and a rear door frame bottom edge beam 114; the four upright columns are respectively a left front upright column 121, a right front upright column 122, a left rear upright column 123 and a right rear upright column 124; the top frame includes four top edge beams, which are a front plate top edge beam 131, a left side plate top edge beam 132, a right side plate top edge beam 133, and a rear door frame top edge beam 134.
It can be seen that the rear frame rocker 114, the left rear pillar 123, the right rear pillar 124 and the rear frame upper rocker 134 together comprise the frame of the rear door 40.
The stand is hollow structure, can lighten weight.
Referring to fig. 3, the right front pillar 122, the front plate lower edge beam 111 and the right side plate lower edge beam 113 are three extruded profiles with different structures, and are fixedly connected through the combination of the hexagon socket head cap screws, the nuts and the flat washers, so that the disassembly and the maintenance are convenient.
The left front pillar 121 is connected to the front rocker 111 and the left rocker 112 in the same manner as in fig. 3.
Referring to fig. 2, the framework 10 further includes a front frame 14, side frames 15, and a top frame.
The front frame 14 includes a front cross member 141 and a front longitudinal member 142 vertically connected to each other, the top end of the front longitudinal member 142 is connected to the top frame, the bottom end of the front longitudinal member 142 is connected to the bottom frame, and two ends of the front cross member 141 are respectively connected to two vertical posts. Specifically, the top end of the front side member 142 is connected to the front upper side member 131, the bottom end of the front side member 142 is connected to the front lower side member 111, one end of the front cross member 141 is connected to the left front pillar 121, and the other end of the front cross member 141 is connected to the right front pillar 122.
The side frame 15 includes a side cross member 151 and a side longitudinal member 152 connected vertically, the top end of the side longitudinal member 152 is connected to the top frame, the bottom end of the side longitudinal member 152 is connected to the bottom frame, and two ends of the side cross member 151 are respectively connected to two columns. Specifically, the top end of the side member 152 is connected to the right side panel roof side rail 133, the bottom end of the side member 152 is connected to the right side panel sill 113, one end of the side cross member 151 is connected to the right front pillar 122, and the other end of the side cross member 151 is connected to the right rear pillar 124.
Here, the left and right side frames 15 have the same structure, and are not described in detail here.
Referring to fig. 4, the edge of the upper surface of the bottom plate 30 is overlapped with the left side plate lower side beam 112, a groove is formed on the left side plate lower side beam 112, during assembly, the left side cross beam 151 and the side longitudinal beam 152 are welded, a welding seam is polished, the side plate skin 21 is riveted with the side frame 15, the bottom of the side frame 15 is inserted into the groove, and the side frame is fixedly connected with the closed flat round head blind rivet. Wherein, the side longitudinal beam 152 of the side frame 15 is inserted into the groove, and the closed flat round head blind rivet is the existing rivet.
The bottom plate 30, the right side plate rocker 113, and the right side frame 15 are connected in the same manner as in fig. 4.
Referring to fig. 5, the front plate roof side rail 131 is connected with the roof panel skin 22 through rivets, a downward bending portion is formed at the edge of the roof panel skin 22, the bending portion is attached to the front plate roof side rail 131, the contact area is increased, a sealing effect can be achieved, and rainwater and the like can be prevented from flowing into the carriage.
Referring to fig. 6, the top of the front plate roof side rail 131 is connected with the top of the right side plate roof side rail 133 through the corner wrapping pressure plate 51, the corner wrapping pressure plate 51 is L-shaped, and is riveted between the front plate roof side rail 131 and the right side plate roof side rail 133 to ensure stable connection and increase structural strength.
The inner side surface of the front plate roof side rail 131 is connected with the inner side surface of the right side plate roof side rail 133 through a front top connecting plate 52, and the front top connecting plate 52 is overlapped on the bosses of the front plate roof side rail 131 and the right side plate roof side rail 133 and is fastened through screws.
Referring to fig. 7, the left side plate roof side rail 132 is connected to the rear door frame roof side rail 134 through the rear roof side connecting plate 53, wherein one side of the rear roof side connecting plate 53 is bent to be connected to the rear door frame roof side rail 134 through a blind rivet, the other side of the rear roof side connecting plate 53 is vertically overlapped with a boss of the left side plate roof side rail 132, and is connected to the left side plate roof side rail 132 through a hexagon socket head cap screw combination, thereby ensuring that the rear door frame has sufficient distortion deformation resistance.
Referring to fig. 8, the top frame includes a top cross member 161, one end of the top cross member 161 being connected to the left side plate roof rail 132, and the other end of the top cross member 161 being connected to the right side plate roof rail 133.
Because the top of the carriage is stressed less when carrying cargo, the top can be provided with a cross beam only, and the supporting effect can be met. Accordingly, the bottom plate 30 is more stressed and more easily deformed.
Referring to fig. 9 to 11, the bottom plate 30 is a hollow structure, which not only reduces weight, but also has better bearing performance and strong deformation resistance, thereby reducing deformation, buffering vibration and prolonging service life.
The upper surface of bottom plate 30 is provided with anti-skidding arch 31, prevents that the goods in the carriage from shifting, increases the stability of transportation.
Specifically, the antiskid projection 31 extends in the width direction of the base plate 30, and a plurality of the antiskid projections 31 are provided at intervals in the length direction of the base plate 30. Alternatively, the anti-slip protrusions 31 may be a continuous strip or an intermittent strip.
In this embodiment, the bottom plate 30 is formed by splicing aluminum alloy sections 32, and when one of the aluminum alloy sections 32 is damaged, only the aluminum alloy section 32 needs to be disassembled, so that the maintenance is facilitated.
Specifically, the bottom plate 30 includes at least two aluminum alloy sections 32, and adjacent aluminum alloy sections 32 are connected in a splicing manner, and the aluminum alloy sections 32 are hollow sections.
The aluminum alloy section 32 comprises a body part 321 and a connecting part, the body part 321 forms a hollow cavity 320, the connecting part comprises a clamping protrusion 322 and a clamping groove 323, the clamping protrusion 322 is arranged at one end of the body part 321, the clamping groove 323 is arranged at the other end of the body part 321, and the clamping protrusion 322 of one aluminum alloy section 32 can be clamped with the clamping groove 323 of the other aluminum alloy section 32.
During assembly, all the aluminum alloy sections 32 are clamped in sequence. The locking protrusion 322 and the locking groove 323 both extend along the width direction of the bottom plate 30, and when one of the aluminum alloy sections 32 is damaged, the aluminum alloy section 32 is pulled out.
Within the cavity 320 are ribs 324, the ribs 324 connecting the top and bottom walls of the cavity 320 to increase structural strength. Specifically, the reinforcing ribs 324 are provided in plurality at intervals.
The aluminum alloy profile 32 further comprises a support portion 325, the support portion 325 comprises a transverse plate 3251 and a vertical plate 3252 which are vertically connected, and one end of the vertical plate 3252 far away from the transverse plate 3251 is connected with the bottom surface of the body portion 321. The supporting portion 325 has a supporting function, and when the supporting portion 325 is placed, the supporting portion 325 contacts with the ground, so that the body portion 321 and the ground are spaced, and operations such as hoisting the bottom plate 30 are facilitated.
The riser 3252 is coplanar with one of the ribs 324, facilitating manufacturing and further increasing structural strength.
The vertical plate 3252 is coplanar with a reinforcing rib 324 and a non-slip bump 31, so that the processing and the production are convenient, and the structural strength is further increased.
The anti-skid protrusions 31 and the aluminum alloy section 32 are integrally formed, and processing and production are facilitated.
The embodiment of the disclosure also provides an electric vehicle which comprises the carriage. The framework 10, the skin 20 and the bottom plate 30 of the carriage are all made of aluminum alloy to form an all-aluminum carriage, so that the weight of the carriage is reduced, the energy consumption of a vehicle is reduced, the cruising ability of the electric vehicle is enhanced, and the electric vehicle is convenient to recycle. The bottom plate 30 is of a hollow structure, so that the weight can be reduced, the pressure bearing performance is good, the deformation resistance is high, the deformation and the vibration buffering can be reduced, and the service life can be prolonged.
The above detailed description should not be construed as limiting the scope of the disclosure. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made in accordance with design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present disclosure should be included in the scope of protection of the present disclosure.
Claims (11)
1. The utility model provides a carriage, its characterized in that, includes skeleton (10), covering (20) and bottom plate (30), skeleton (10) covering (20) with the material of bottom plate (30) is the aluminum alloy, covering (20) cover in on skeleton (10), bottom plate (30) set up in the bottom of skeleton (10), bottom plate (30) are hollow structure.
2. A carriage as claimed in claim 1, characterised in that said floor (30) comprises at least two aluminium alloy profiles (32), adjacent aluminium alloy profiles (32) being joined by splicing, said aluminium alloy profiles (32) being hollow profiles.
3. A carriage as claimed in claim 2, characterized in that said aluminium alloy section bar (32) comprises a body portion (321) and a connecting portion, said body portion (321) forming a hollow cavity (320), said connecting portion comprising:
a locking projection (322) provided at one end of the body portion (321);
and the clamping groove (323) is arranged at the other end of the body part (321), and the clamping protrusion (322) of one aluminum alloy section (32) can be clamped with the clamping groove (323) of the other aluminum alloy section (32).
4. A compartment as claimed in claim 3, characterised in that reinforcing ribs (324) are provided in the cavity (320), the ribs (324) connecting the top and bottom walls of the cavity (320).
5. A carriage as claimed in claim 4, characterised in that the aluminium alloy profile (32) further comprises a support portion (325), the support portion (325) comprising a transverse plate (3251) and a riser (3252) connected vertically, an end of the riser (3252) remote from the transverse plate (3251) being connected to a bottom surface of the body portion (321).
6. A compartment as claimed in claim 5, in which the riser (3252) is coplanar with one of the ribs (324).
7. A carriage as claimed in claim 1, characterised in that the upper surface of the floor (30) is provided with cleats (31).
8. A carriage as claimed in any one of claims 1-7, characterized in that the skeleton (10) comprises:
a bottom frame disposed around a circumference of the bottom plate (30);
four upright columns are arranged, the four upright columns are respectively positioned at four corners of the bottom plate (30), and the bottom ends of the upright columns are connected with the bottom frame;
and the top end of the upright post is connected with the top frame.
9. A carriage as claimed in claim 8, characterised in that the roof frame comprises a front panel roof rail (131), the skin (20) comprises a roof panel skin (22), and a downward bend is formed at the edge of the roof panel skin (22), which bend is flush with and riveted to the front panel roof rail (131).
10. A carriage as claimed in claim 8, characterized in that said base frame comprises a left side sill (112), said left side sill (112) being formed with a recess, said frame (10) further comprising a side frame (15), the bottom of said side frame (15) being inserted in said recess and being fixedly associated by means of a closed flat round head blind rivet.
11. An electric vehicle comprising a cabin as claimed in any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111039517.8A CN113581301A (en) | 2021-09-06 | 2021-09-06 | Carriage and electric motor car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111039517.8A CN113581301A (en) | 2021-09-06 | 2021-09-06 | Carriage and electric motor car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113581301A true CN113581301A (en) | 2021-11-02 |
Family
ID=78241272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111039517.8A Pending CN113581301A (en) | 2021-09-06 | 2021-09-06 | Carriage and electric motor car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113581301A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114275059A (en) * | 2021-12-31 | 2022-04-05 | 江西日菱车业有限公司 | Manufacturing process of aluminum alloy mortise-tenon structure carriage and aluminum alloy carriage |
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| CN210310591U (en) * | 2019-07-29 | 2020-04-14 | 重庆津浦科技发展有限公司 | Carriage top additional strengthening |
| CN211107738U (en) * | 2019-12-10 | 2020-07-28 | 青岛康泰集团铝业有限公司 | Aluminum alloy plug-in type carriage plate |
| CN113147918A (en) * | 2021-04-28 | 2021-07-23 | 山东鑫能昆冈轻量化装备有限公司 | Compartment of van vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114275059A (en) * | 2021-12-31 | 2022-04-05 | 江西日菱车业有限公司 | Manufacturing process of aluminum alloy mortise-tenon structure carriage and aluminum alloy carriage |
| CN114275059B (en) * | 2021-12-31 | 2024-04-30 | 江西日菱车业有限公司 | Manufacturing process of aluminum alloy mortise-tenon structure carriage and aluminum alloy carriage |
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Application publication date: 20211102 |