CN213437738U - Aluminum alloy container bottom plate assembly welded structure - Google Patents

Aluminum alloy container bottom plate assembly welded structure Download PDF

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Publication number
CN213437738U
CN213437738U CN202022122042.6U CN202022122042U CN213437738U CN 213437738 U CN213437738 U CN 213437738U CN 202022122042 U CN202022122042 U CN 202022122042U CN 213437738 U CN213437738 U CN 213437738U
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gooseneck
plate
welding
welded
corner piece
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CN202022122042.6U
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张玉新
高雨
徐伍刚
沈其明
邵宪飞
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Liaoning Zhongwang Special Vehicle Manufacturing Co ltd
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Liaoning Zhongwang Special Vehicle Manufacturing Co ltd
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Abstract

The utility model belongs to the technical field of the container welding, a aluminum alloy container bottom plate assembly welded structure is disclosed, the structural strength who aims at solving the bottom plate assembly is poor, the welding seam is easy to split, need the school type scheduling problem after welding. The bottom plate assembly welding structure comprises a front corner piece, a rear corner piece and a gooseneck beam connected to the front corner piece and the rear corner piece, wherein the front corner piece comprises a front plate, and more than two penetrating beams and gooseneck groove assemblies which are arranged on the back surface of the front plate and are sequentially arranged from one end far away from the gooseneck beam to one end close to the gooseneck beam, and the extending direction of the penetrating beams is crossed with the length direction of the front plate; the gooseneck tunnel assembly consists of gooseneck tunnels, end cross beams and middle cross beams, the extension direction of the gooseneck tunnels is consistent with the length direction of the front plate, the gooseneck tunnels are arranged in two rows at intervals, a plurality of middle cross beams are arranged between the two middle cross beams at intervals along the extension direction of the gooseneck tunnels, and a plurality of end cross beams are arranged at intervals along the extension direction of the two middle cross beams respectively on the outer sides of the two gooseneck tunnels; the back corner piece includes the back plate and locates the well lock crossbeam on the back of the back plate.

Description

Aluminum alloy container bottom plate assembly welded structure
Technical Field
The utility model belongs to the technical field of the container welding, concretely relates to aluminum alloy container bottom plate assembly welded structure.
Background
The former front corner fittings in the container bottom plate assembly are mostly steel parts, and the middle part of its front bezel does not have the tie-beam subassembly, and adjacent plate concatenation welding seam lower part on the front bezel does not have the support, at welding front bezel yielding, if the vehicle is gone and is met the road surface of jolting, the welding seam still can easily split. Meanwhile, the original front corner fitting structure is a longitudinal front plate which is paved on a penetrating beam, the front plate is of a unilateral closed structure, the penetrating beam and the front plate are in a large number of point fixing, the point fixing length is short, the maximum length is 21.5mm, the capability of bearing stress of a welding line is limited, when a forklift is used for loading and unloading, the penetrating beam deforms due to insufficient strength, and the point fixing welding line is easy to tear if being too short. In addition, in the production welding process flow, due to the fact that the front plate and the rear plate are large in number and too long in welding line, the welding line is subjected to transverse contraction deformation, welding deformation exists in welding of the front plate and the rear plate, the need of calibration after welding is caused, and a large amount of working hours and personnel are wasted.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an aluminum alloy container bottom plate assembly welded structure aims at solving bottom plate assembly's structural strength difference, welding seam easily split, need the school type scheduling problem after welding.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides an aluminum alloy container bottom plate assembly welding structure, which comprises a front corner piece, a rear corner piece and a gooseneck beam connected with the front corner piece and the rear corner piece, wherein the front corner piece comprises a front plate, and a running-through crossbeam and a gooseneck groove component which are arranged on the back surface of the front plate in sequence from one end far away from the gooseneck beam to one end near the gooseneck beam, more than two running-through crossbeams are provided, and the running-through crossbeam extending direction is crossed with the front plate length direction; the gooseneck tunnel assembly consists of gooseneck tunnels, end cross beams and middle cross beams, the extension direction of the gooseneck tunnels is consistent with the length direction of the front plate, the gooseneck tunnels are arranged in two rows at intervals, a plurality of middle cross beams are arranged between the two middle cross beams at intervals along the extension direction of the gooseneck tunnels, and a plurality of end cross beams are arranged at intervals along the extension direction of the two middle cross beams respectively on the outer sides of the two gooseneck tunnels; the back corner piece includes the back plate and locates the well lock crossbeam on the back of the back plate. By adopting the scheme, the structure of the bottom plate assembly is optimized, the structural strength and the safety of the bottom plate assembly are improved, the cracking of the welding line of the bottom plate assembly is avoided, the maintenance cost is also reduced, and the welding requirement is met.
Furthermore, the front corner piece also comprises a lock beam base plate which is arranged on the back surface of the front plate and is positioned between the gooseneck groove component and the adjacent through beam, and the lock beam base plate is in broken welding connection with the front plate.
Furthermore, the front plate of the front corner fitting and the rear plate of the rear corner fitting are respectively formed by welding a plurality of plates side by side in the length direction of the plates, and the front plate and the rear plate are fully welded on the front faces and are welded on the back faces in a broken mode.
Furthermore, the rear plate of the rear corner fitting is formed by splicing and welding three to five plate surfaces consisting of a plurality of plate parts, and the plate surfaces are fully welded on the front surface of the splicing and welding and are broken welded on the back surface of the splicing and welding.
Furthermore, the front plate is respectively connected with the through beam and the gooseneck tunnel component in a welding way.
Furthermore, the rear plate is connected with the middle lock cross beam in a broken welding mode.
Furthermore, the gooseneck troughs in the gooseneck trough assembly are respectively in full-weld connection with the lap joints between the end cross beams and the middle cross beams.
Furthermore, the gooseneck beam is in broken welding connection on the back surface of the lap joint with the front plate and the back plate respectively, and in full welding connection on the front surface.
Furthermore, the front corner fittings, the rear corner fittings and the gooseneck beams are made of aluminum materials.
Furthermore, the plate of the front plate adopts a closed cavity section bar.
The utility model has the advantages that:
1. after the structure of the front corner fitting is changed, the front plate splicing weld bead on the upper part of the front corner fitting is changed into a supporting state, and the front plate can be in point fixation with a middle cross beam of the gooseneck tunnel component, so that the welding deformation of the front plate is reduced; the front section of the front plate is changed into a closed cavity, so that the tack length penetrating through the cross beam and the front plate is increased, the stress bearing capacity of the front plate is improved, and the front plate is not easy to tear; like this, the front bezel structure changes the back, has improved the wholeness of front bezel, and the intensity of the front bezel that constitutes by transversely arranged's plate has obtained improving, and bearing capacity becomes strong, and stress distribution is more even, has guaranteed the stability of whole car, and the security has reduced cost of maintenance.
2. The bottom plate assembly effectively controls the welding deformation of the front plate by adopting an integral point fixing method for the welding part of the front corner fitting; and then the rear plate is split into a plurality of parts by the rear corner piece welding part in a splitting mode, and welding is assisted by using a welding tool, so that welding deformation is effectively controlled. And the welding deformation of the bottom plate assembly is controlled from the process angle, and the double-gun gantry welding machine is used, so that the front welding speed is increased, the production rhythm is accelerated, and the time for adjusting and repairing the deformation of the bottom plate assembly by personnel is saved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
fig. 1 is the utility model discloses an aluminum alloy container bottom plate assembly welded structure stereogram.
Fig. 2 is the front corner fitting schematic diagram of the welding structure of the aluminum alloy container bottom plate assembly of the utility model.
Fig. 3 is the utility model discloses an aluminum alloy container bottom plate assembly welded structure's back corner fittings sketch map.
Fig. 4 is an assembly schematic diagram of the front corner piece and the rear corner piece of the welding structure of the aluminum alloy container bottom plate assembly of the present invention.
Reference numerals: the front plate 1, the penetrating beam 2, the locking beam base plate 3, the gooseneck tunnel 4, the end beam 5, the middle beam 6, the gooseneck beam 7, the rear plate 8 and the middle locking beam 9.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
As shown in fig. 1, the aluminum alloy container floor assembly welding structure provided by the embodiment includes a front corner piece, a rear corner piece and a gooseneck beam 7 connected to the front corner piece and the rear corner piece, wherein the front corner piece includes a front plate 1 and three penetrating beams 2 and gooseneck groove components which are arranged on the back of the front plate 1 and are arranged in sequence from one end far away from the gooseneck beam 7 to one end close to the gooseneck beam 7, and the penetrating beams 2 are arranged side by side at intervals, and the extending direction of the penetrating beams 2 is crossed with the length direction of the front plate 1 in a cross manner, i.e., the strength of the transversely arranged front plate is improved, the bearing capacity is enhanced, the stress distribution is more uniform, the stability and the safety of the whole vehicle are ensured, and the maintenance cost is reduced; the gooseneck tunnel component consists of gooseneck tunnels 4, end cross beams 5 and middle cross beams 6, the extension direction of the gooseneck tunnels 4 is consistent with the length direction of the front plate 1, the gooseneck tunnels are arranged in parallel at intervals, a plurality of middle cross beams 6 are arranged between the gooseneck tunnels at intervals along the extension direction of the gooseneck tunnels, a plurality of end cross beams 5 are arranged on the outer sides of the gooseneck tunnels at intervals along the extension direction of the gooseneck tunnels respectively, so that the front plate splicing welding bead on the upper part of the front corner piece can be changed into a supporting state, and the front plate can be fixed with the middle cross beams of the gooseneck tunnel component at certain points, thereby reducing the welding deformation of the; the rear corner piece comprises a rear plate 8 and a middle lock beam 9 arranged on the back of the rear plate 8; the front plate 1 of the front corner fitting and the rear plate 8 of the rear corner fitting are respectively formed by welding a plurality of plates in pairs in parallel in the length direction.
By adopting the scheme, the front section of the front plate is changed into the closed cavity section, and the tack length of the front plate and the middle cross beam and the end cross beam which penetrate through the cross beam and the gooseneck tunnel assembly is increased, so that the stress bearing capacity of a tack weld is improved, and the tack weld is not easy to tear; meanwhile, the front corner piece is of an all-aluminum structure, the total mass is about 140KG, the weight of the front corner piece is reduced by over 58% compared with that of a steel front corner piece, a middle cross beam added in the all-aluminum front corner piece and a front plate are in point welding and then simultaneously play a supporting role on the front plate, and the cracking of a long straight welding seam at the splicing position of the front plate is effectively avoided; of course, the rear corner fittings and the gooseneck beams in this embodiment are all aluminum. Meanwhile, the penetrating cross beam is combined with the transverse front plate into a whole, the front plate is higher in strength and stronger in transverse load bearing capacity due to the structural design of the closed cavity section bar, the bottom plate cannot deform when a forklift is used for unloading, and a welding seam cannot crack; the upper side welding seam of the front plate splicing position is fully welded, the lower side welding seam broken welding length is longer than the original structure spot welding length, and the whole structure strength and the bearing capacity of the front plate are stronger; the front plate and the penetrating beam are of a welding structure, so that stress is more uniformly distributed on the penetrating beam instead of being concentrated on the bolts.
The front corner fitting in the embodiment further comprises a locking beam base plate 3 which is arranged on the back surface of the front plate 1 and located between the gooseneck groove assembly and the penetrating beam 2 adjacent to the gooseneck groove assembly, and the locking beam base plate 3 is connected with the front plate 1 through broken welding.
In the embodiment, the front plate 1 and the rear plate 8 are respectively welded on the front surface in a full welding mode and on the back surface in a breaking welding mode, and the front plate 1 is respectively connected with the through beam 2 and the gooseneck groove assembly in a breaking welding mode.
The rear plate 8 of the rear corner fitting in this embodiment may be formed by welding three to five plate parts, such as four plate parts a, b, c, and d in fig. 3, where the four plate parts are fully welded on the front surface and are welded off on the back surface of the welding, and the rear plate 8 and the middle lock beam 9 are connected by welding off.
In the gooseneck tunnel assembly in the embodiment, the gooseneck tunnels 4 are respectively connected with the end cross beams 5 and the middle cross beam 6 by full-weld, and the gooseneck beams 7 are respectively connected with the front plate 1 and the rear plate 8 by broken weld at the back sides and full-weld at the front sides.
Referring to fig. 2, 3 and 4, the following describes a welding process of the aluminum alloy container bottom plate assembly, which comprises the following steps:
b1, assembling and welding front corner fittings: firstly, assembling and fixing plates forming a front plate 1, then assembling and fixing a penetrating beam 2 and a gooseneck tunnel assembly on the back surface of the front plate, and welding the back surface and the front surface of the integrally assembled front corner piece firstly and then; namely: the butt joint between the plates that the front bezel 1 constitutes adopts semi-automatic welding dolly to carry out the front full weld and connects, and the back adopts manual MIG to carry out the broken weld and connect, and its welding parameter is: the current is 150A-160A, the voltage is 21.6V-22.0V, and the welding speed is 1200 mm/min; run through crossbeam 2 and gooseneck groove subassembly and adopt manual MIG to weld absolutely the connection with the group between the front bezel 1 to the overlap joint, its welding parameter is: the current is 150A-160A, and the voltage is 21.6V-22.0V; the gooseneck tunnel in the gooseneck tunnel subassembly adopts manual MIG to weld the connection fully in well crossbeam and end beam group to overlap joint respectively, and its welding parameter is: the current is 180A-200A, and the voltage is 23.2V-23.5V;
b2, assembling and welding rear corner fittings: firstly, assembling the plate components forming the rear plate 8 and clamping an auxiliary tool to form four independent plate surfaces, namely a, b, c and d, and welding the front surface and the back surface of each independent plate surface; assembling four independent plate surfaces and clamping an auxiliary tool, so that the front surface of the integrally assembled rear plate 8 is welded firstly, and the back surface of the integrally assembled rear plate is welded secondly; assembling and welding the middle lock beam 9 on the back surface of the rear plate; the butt joint between the plates forming the plate surface adopts double-gun gantry welding, the front surface is fully welded, the back surface is welded in a breaking way, and the welding parameters are that the current is 160A-170A, the voltage is 22.0V-22.7V, and the welding speed is 1500 mm/min; the butt joint between the face that constitutes the back plate adopts the welding of semi-automatic welding dolly, and openly full weld, back broken weld, its welding parameter is: the current is 150A-160A, the voltage is 21.6V-22.0V, and the welding speed is 1200 mm/min; the lap joint between the middle lock beam 9 and the back plate 8 adopts manual MIG welding connection, and the welding parameters are as follows: the current is 150A-160A, and the voltage is 21.6V-22.0V;
b3, assembling and welding the bottom plate assembly: firstly, assembling and welding a lock beam base plate 3 on the back surface of a front plate 1; then the gooseneck beam 7 is assembled and point-fixed between the front corner piece and the rear corner piece, and the back side of the integrally assembled bottom plate assembly is welded firstly, and the front side is welded secondly at the connection position of the gooseneck beam; namely: gooseneck boom 7 adopts manual MIG welding with the overlap joint between preceding corner fittings and the back corner fittings respectively, and openly full weld, back are disconnected to be welded, and its welding parameter is: the current is 150A-160A, and the voltage is 21.6V-22.0V; the overlap joint between lock crossbeam backing plate and the front bezel also adopts manual MIG plug welding to weld, and its welding parameter is: the current is 130A-140A, and the voltage is 19.2V-19.7V.
By adopting the process, the welding deformation is well controlled and the manual repair time is reduced by formulating a new welding method and a new welding sequence, so that the aims of improving the production efficiency and the quality of the welding seam are fulfilled.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Claims (10)

1. The aluminum alloy container bottom plate assembly welding structure is characterized by comprising a front corner piece, a rear corner piece and a gooseneck beam (7) connected to the front corner piece and the rear corner piece, wherein the front corner piece comprises a front plate (1), and a penetrating crossbeam (2) and a gooseneck groove assembly which are arranged on the back of the front plate and are sequentially arranged from one end far away from the gooseneck beam to one end close to the gooseneck beam, the number of the penetrating crossbeams is more than two, and the extending direction of the penetrating crossbeams is crossed with the length direction of the front plate in a cross manner; the gooseneck tunnel assembly consists of gooseneck tunnels (4), end cross beams (5) and middle cross beams (6), the extension direction of the gooseneck tunnels is consistent with the length direction of the front plate and is two gooseneck tunnels which are arranged side by side at intervals, a plurality of middle cross beams which are arranged at intervals along the extension direction of the two gooseneck tunnels are arranged between the two gooseneck tunnels, and a plurality of end cross beams which are arranged at intervals along the extension direction of the two gooseneck tunnels are respectively arranged on the outer sides of the two gooseneck tunnels; the rear corner piece comprises a rear plate (8) and a middle lock cross beam (9) arranged on the back surface of the rear plate.
2. The aluminum alloy container floor assembly welding structure of claim 1, wherein said front corner piece further comprises a lock beam tie plate (3) disposed on the back of the front plate and between the gooseneck groove assembly and the through beam adjacent thereto, said lock beam tie plate being welded to the front plate.
3. The aluminum alloy container floor assembly welding structure of claim 1, wherein the front plate of the front corner fitting and the rear plate of the rear corner fitting are respectively formed by welding a plurality of plate members side by side in a length direction thereof, and the front plate and the rear plate are fully welded on respective front faces and are broken welded on respective rear faces.
4. The aluminum alloy container floor assembly welded structure of claim 3, wherein the rear plate of the rear corner fitting is formed by tailor welding three to five plate surfaces each formed by a plurality of plate members, and the plate surfaces are full-welded on the front surface and broken-welded on the back surface of the tailor welding.
5. The aluminum alloy container floor assembly weld configuration of claim 3, wherein the front plate is break welded to the respective through beam and gooseneck tunnel components.
6. The aluminum alloy container floor assembly welded structure of claim 3, wherein the back plate is welded to the center lock beam.
7. The aluminum alloy container flooring assembly welded structure of claim 1, wherein the gooseneck troughs of the gooseneck trough assembly are fully welded to the lap joints between the end cross beams and the middle cross beam.
8. The aluminum alloy container floor assembly welded structure of claim 1, wherein the gooseneck beam is welded to the front plate and the rear plate at the back and the front of the lap joint respectively.
9. The aluminum alloy container floor assembly welded structure of claim 1, wherein the front corner pieces, the rear corner pieces and the gooseneck beams are made of aluminum.
10. The aluminum alloy container bottom plate assembly welding structure of claim 1, wherein the plate of the front plate is a closed cavity profile.
CN202022122042.6U 2020-09-24 2020-09-24 Aluminum alloy container bottom plate assembly welded structure Active CN213437738U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112222578A (en) * 2020-09-24 2021-01-15 辽宁忠旺特种车辆制造有限公司 Aluminum alloy container bottom plate assembly welding structure and process
CN114055033A (en) * 2022-01-14 2022-02-18 南通巴仕特钢业有限公司 Welding equipment is used in production of container floor center beam

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112222578A (en) * 2020-09-24 2021-01-15 辽宁忠旺特种车辆制造有限公司 Aluminum alloy container bottom plate assembly welding structure and process
CN114055033A (en) * 2022-01-14 2022-02-18 南通巴仕特钢业有限公司 Welding equipment is used in production of container floor center beam
CN114055033B (en) * 2022-01-14 2022-03-22 南通巴仕特钢业有限公司 Welding equipment is used in production of container floor center beam

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