CN220826595U - Self-unloading rear door plate structure - Google Patents
Self-unloading rear door plate structure Download PDFInfo
- Publication number
- CN220826595U CN220826595U CN202322850747.3U CN202322850747U CN220826595U CN 220826595 U CN220826595 U CN 220826595U CN 202322850747 U CN202322850747 U CN 202322850747U CN 220826595 U CN220826595 U CN 220826595U
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- vertical beam
- cross beam
- vertical
- plate
- welded
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- 238000005452 bending Methods 0.000 claims abstract description 37
- 230000007704 transition Effects 0.000 claims abstract description 37
- 238000007599 discharging Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 6
- 239000011324 bead Substances 0.000 abstract description 4
- 239000010953 base metal Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000002159 abnormal effect Effects 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Abstract
The utility model discloses a self-unloading rear door plate structure, which relates to the technical field of self-unloading rear door plate production and comprises a bottom plate, wherein an upper cross beam, a lower cross beam, a left vertical beam and a right vertical beam are arranged on the bottom plate, two ends of a middle vertical beam are respectively in close contact with the upper cross beam and the lower cross beam, the upper end of the middle vertical beam is sleeved with an upper abnormal-shape bending transition connecting piece, the middle part of the middle vertical beam is sleeved with a middle abnormal-shape bending transition connecting piece, the lower end of the middle vertical beam is sleeved with a lower abnormal-shape bending transition connecting piece, the bottom plate is welded with the middle cross beam, the middle abnormal-shape bending transition connecting piece is welded with the middle cross beam, two ends of the middle cross beam are respectively welded on the left vertical beam and the right vertical beam, and the upper cross beam, the lower cross beam, the left vertical beam, the right vertical beam, the middle vertical beam and the middle vertical beam form an integral frame, so that the flexible connection of the rear door plate structure is realized, and the risk of weld bead and base metal damage in the use process is avoided.
Description
Technical Field
The utility model relates to the technical field of production of self-unloading rear door plates, in particular to a self-unloading rear door plate structure.
Background
The rear door plate assembly of the cargo box of the existing cargo truck mainly comprises an upper cross beam, a lower cross beam, a left vertical beam, a right vertical beam and a rear door main plate, and all the components are welded with each other after being molded.
The Chinese patent application with the publication number of CN207595074U discloses a carriage rear door plate, which is characterized by comprising a rear door main body, a first vertical beam, a second vertical beam and a reinforcing plate; the first vertical beam and the second vertical beam are respectively and fixedly connected to two ends of the rear door main body, and the reinforcing plate is arranged in the middle of the rear door main body and is parallel to the installation direction of the first vertical beam and the second vertical beam; the lower end of the rear door main body is provided with a plurality of hinge supports so as to facilitate the rear door main body to turn outwards; the first vertical beam and the second vertical beam are respectively provided with a support plate and a hanging chain support, the support plates are used for installing locking handles, and the hanging chain support is used for connecting the rear door main body.
The rear door plate structure in the prior art is of an integrated structure due to all welding, and the upper cross beam, the lower cross beam and the left vertical beam are caused to beat frequently due to sand and stones and earthwork in a carriage in the unloading process and the transporting process. The stress generated in the process between the right vertical beam and the rear door main board cannot be effectively released, so that the welding bead is cracked or the base material is damaged, the use of a vehicle is directly influenced, and the after-sale service cost is high.
Disclosure of utility model
In order to overcome the defect that the stress of the rear door plate structure cannot be effectively released in the prior art, the utility model provides the self-unloading rear door plate structure, the flexible connection of the rear door plate structure is realized, and the risks of weld bead cracking and parent metal damage in the use process are avoided.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a door plant structure after self-discharging, including the bottom plate, upper and lower both ends of bottom plate have welded entablature and underbeam respectively, the left and right both ends of bottom plate have welded left side and right side and have erected the roof beam respectively, the welding has a plurality of well vertical beams on the bottom plate between left side vertical beam and the right side to erect the roof beam, the both ends of well vertical beam respectively in close contact with entablature and underbeam, the upper end cover of well vertical beam is gone up abnormal shape transition piece of bending, it welds on bottom plate and entablature to go up abnormal shape transition piece of bending, the middle part of well vertical beam is cup jointed well abnormal shape transition piece of bending, well abnormal shape transition piece of bending welds on bottom plate, the lower extreme cover of well vertical beam is connected abnormal shape transition piece of bending down, the welding has well crossbeam on bottom plate, well crossbeam welded connection well abnormal shape transition piece of bending, the both ends of well crossbeam weld respectively on left side vertical beam and right side.
As a further improvement of the utility model, the middle cross beam comprises an upper long vertical plate and a lower long vertical plate which are symmetrically arranged, clamping grooves are arranged at the lower ends of the upper long vertical plate and the lower long vertical plate, a cross plate is arranged at the upper ends of the upper long vertical plate and the lower long vertical plate, and the middle cross beam, the bottom plate and the middle special-shaped bending transition connecting piece are in a full-welded state, so that the integral strength is increased.
As a further improvement of the utility model, the upper through long vertical plate and the lower through long vertical plate are both of trapezoid structures, so that the strength is increased.
As a further improvement of the utility model, the joint of the left vertical beam and the middle beam is provided with a left rib plate, and the joint of the right vertical beam and the middle beam is provided with a right rib plate, so that the strength is improved.
As a further improvement of the utility model, the left vertical beam and the right vertical beam are respectively welded on the side surfaces of the two ends of the lower beam, and the upper beam is arranged on the side surfaces of the two ends of the left vertical beam and the right vertical beam, so that the strength is increased.
As a further improvement of the utility model, the connecting parts of the upper cross beam, the lower cross beam, the left vertical beam and the right vertical beam are provided with fastening plates, so that the strength is improved.
Compared with the prior art, the utility model has the beneficial effects that: according to the scheme, the upper cross beam, the lower cross beam, the left vertical beam, the right vertical beam, the middle vertical beam and the middle cross beam form an integral frame through the upper special-shaped bending transition connecting piece, the middle special-shaped bending transition connecting piece and the lower special-shaped bending transition connecting piece, so that flexible connection of a rear door plate structure is realized, and risks of weld bead cracking and base metal damage in the using process are avoided.
Drawings
The utility model is further described below with reference to the drawings and the detailed description.
Fig. 1 is a perspective view of a self-discharging rear door panel structure according to the present utility model.
Fig. 2 is a perspective view of a beam in accordance with the present utility model.
In the figure: 1. a bottom plate; 2. an upper cross beam; 3. a lower cross beam; 4. a left vertical beam; 5. a right vertical beam; 6. a middle vertical beam; 7. the upper special-shaped bending transition connecting piece; 8. middle special-shaped bending transition connecting piece; 9. a lower special-shaped bending transition connecting piece; 10. a middle cross beam; 11. a long vertical plate is arranged on the upper part; 12. a long vertical plate is downwards communicated; 13. a cross plate; 14. a clamping groove; 15. a left rib plate; 16. right rib plates; 17. and a fastening plate.
Detailed Description
In order that the technical scheme and the beneficial effects of the utility model become more apparent, the utility model is further described in detail below with reference to specific embodiments.
Referring to fig. 1, the embodiment of the utility model discloses a self-unloading rear door panel structure, which comprises a bottom plate 1, wherein an upper cross beam 2 and a lower cross beam 3 are respectively welded at the upper end and the lower end of the bottom plate 1, a left vertical beam 4 and a right vertical beam 5 are respectively welded at the left end and the right end of the bottom plate 1, a plurality of middle vertical beams 6 are welded on the bottom plate 1 between the left vertical beam 4 and the right vertical beam 5, two ends of the middle vertical beam 6 are respectively in close contact with the upper cross beam 2 and the lower cross beam 3, the upper end of the middle vertical beam 6 is sleeved with an upper special-shaped bending transition connecting piece 7, the upper special-shaped bending transition connecting piece 7 is welded on the bottom plate 1 and the upper cross beam 2, the middle part of the middle vertical beam 6 is sleeved with a middle special-shaped bending transition connecting piece 8, the middle special-shaped bending transition connecting piece 8 is welded on the bottom plate 1, the lower special-shaped bending transition connecting piece 9 is welded on the bottom plate 1 and the lower cross beam 3, a middle cross beam 10 is welded on the bottom plate 1, the middle cross beam 10 is welded and connected with the middle special-shaped bending transition connecting piece 8, and two ends of the middle cross beam 10 are respectively welded on the left vertical beam 4 and the right cross beam 5.
The upper end of the middle vertical beam 6 is sleeved with a special-shaped bending transition connecting piece 7, the upper special-shaped bending transition connecting piece 7 is welded on the bottom plate 1 and the upper cross beam 2, the middle part of the middle vertical beam 6 is sleeved with a middle special-shaped bending transition connecting piece 8, the middle special-shaped bending transition connecting piece 8 is welded on the bottom plate 1, the lower end of the middle vertical beam 6 is sleeved with a lower special-shaped bending transition connecting piece 9, the lower special-shaped bending transition connecting piece 9 is welded on the bottom plate 1 and the lower cross beam 3, all the middle vertical beams 6 are through-length vertical beams, and two ends of the middle vertical beams 6 are respectively in close contact with the upper cross beam 2 and the lower cross beam 3, so that the overall strength is improved.
Referring to fig. 2, the middle cross beam 10 adopts a welded structure, the middle cross beam 10 comprises an upper through long vertical plate 11 and a lower through long vertical plate 12 which are symmetrically arranged, clamping grooves 14 are formed in the lower ends of the upper through long vertical plate 11 and the lower through long vertical plate 12, and a transverse plate 13 is arranged at the upper ends of the upper through long vertical plate 11 and the lower through long vertical plate 12. The upper through long vertical plate 11 and the lower through long vertical plate 12 are of trapezoid structures, and are in full welding state with the bottom plate 1 and the middle special-shaped bending transition connecting piece 8, so that the overall strength is improved. The long vertical plate 11, the lower long vertical plate 12 and the middle special-shaped bending transition connecting piece 8 are welded to form a cross.
The junction of left side vertical beam 4 and well crossbeam 10 is equipped with left gusset 15, and right side vertical beam 5 is equipped with right gusset 16 with well crossbeam 10 junction, and left side vertical beam 4 and right side vertical beam 5 weld respectively in the both ends side of bottom end rail 3, and entablature 2 sets up the both ends side at left side vertical beam 4 and right side vertical beam 5, and entablature 2, bottom end rail 3, left side vertical beam 4 and right side vertical beam 5's junction is equipped with fastening plate 17, has increased bulk strength.
It should be understood that the detailed description is presented for purposes of understanding only and is not intended to limit the utility model to all other embodiments that may be obtained by one skilled in the art without making any inventive effort.
Claims (6)
1. The utility model provides a door plant structure behind self-discharging, includes bottom plate (1), and upper and lower both ends of bottom plate (1) have welded entablature (2) and entablature (3) respectively, and the both ends have welded respectively about bottom plate (1) left vertical beam (4) and right vertical beam (5), its characterized in that: a plurality of middle vertical beams (6) are welded on a bottom plate (1) between a left vertical beam (4) and a right vertical beam (5), two ends of each middle vertical beam (6) are respectively in close contact with an upper cross beam (2) and a lower cross beam (3), the upper ends of the middle vertical beams (6) are sleeved with special-shaped bending transition connecting pieces (7), the upper special-shaped bending transition connecting pieces (7) are welded on the bottom plate (1) and the upper cross beam (2), middle special-shaped bending transition connecting pieces (8) are sleeved at the middle parts of the middle vertical beams (6), the middle special-shaped bending transition connecting pieces (8) are welded on the bottom plate (1), the lower ends of the middle vertical beams (6) are sleeved with lower special-shaped bending transition connecting pieces (9), the lower special-shaped bending transition connecting pieces (9) are welded on the bottom plate (1) and the lower cross beams (3), two ends of each middle cross beam (10) are welded on the left vertical beams (4) and the right vertical beams (5).
2. The self-discharging rear door panel structure according to claim 1, wherein: the middle cross beam (10) comprises an upper through long vertical plate (11) and a lower through long vertical plate (12) which are symmetrically arranged, clamping grooves (14) are formed in the lower ends of the upper through long vertical plate (11) and the lower through long vertical plate (12), and transverse plates (13) are arranged at the upper ends of the upper through long vertical plate (11) and the lower through long vertical plate (12).
3. The self-discharging rear door panel structure according to claim 2, wherein: the upper through long vertical plate (11) and the lower through long vertical plate (12) are both of trapezoid structures.
4. A self-discharging rear door panel structure according to claim 3, wherein: the joint of the left vertical beam (4) and the middle cross beam (10) is provided with a left rib plate (15), and the joint of the right vertical beam (5) and the middle cross beam (10) is provided with a right rib plate (16).
5. The self-discharging rear door panel structure according to claim 4, wherein: the left vertical beam (4) and the right vertical beam (5) are respectively welded on the side surfaces of the two ends of the lower cross beam (3), and the upper cross beam (2) is arranged on the side surfaces of the two ends of the left vertical beam (4) and the right vertical beam (5).
6. The self-discharging rear door panel structure according to claim 5, wherein: the connecting parts of the upper cross beam (2), the lower cross beam (3), the left vertical beam (4) and the right vertical beam (5) are provided with fastening plates (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322850747.3U CN220826595U (en) | 2023-10-23 | 2023-10-23 | Self-unloading rear door plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322850747.3U CN220826595U (en) | 2023-10-23 | 2023-10-23 | Self-unloading rear door plate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220826595U true CN220826595U (en) | 2024-04-23 |
Family
ID=90722173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322850747.3U Active CN220826595U (en) | 2023-10-23 | 2023-10-23 | Self-unloading rear door plate structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220826595U (en) |
-
2023
- 2023-10-23 CN CN202322850747.3U patent/CN220826595U/en active Active
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