CN113523637B - Welding method for cleaning vehicle box body - Google Patents
Welding method for cleaning vehicle box body Download PDFInfo
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- CN113523637B CN113523637B CN202110917110.4A CN202110917110A CN113523637B CN 113523637 B CN113523637 B CN 113523637B CN 202110917110 A CN202110917110 A CN 202110917110A CN 113523637 B CN113523637 B CN 113523637B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
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Abstract
The invention discloses a welding method of a cleaning vehicle box body, which comprises the following welding steps: welding a front wallboard assembly and a rear wallboard assembly on the bottom frame assembly; the clear water bin vertical upright post assemblies are welded on two sides of a bottom plate of the bottom frame assembly, the sewage bin framework assembly is welded among the rear wall plate assembly, the middle partition plate assembly and the clear water bin vertical upright post assembly, and the sewage bin vertical upright posts are correspondingly welded on the clear water bin vertical upright posts; welding a peripheral plate assembly; welding an inclined floor plate framework assembly; welding the inclined floor plate assembly; and welding the top plate assembly. The invention carries out integral planning on the box body, divides the box body into a plurality of welding assemblies and sequentially carries out ordered welding, not only is the welding convenient, but also the welding seam is continuous and effective, the sealing property of the box body and the welding strength of the box body are ensured, and the phenomena of leakage of the box body and mutual invasion of clean water and sewage are avoided.
Description
Technical Field
The invention relates to a welding method for a cleaning trolley box body, and belongs to the technical field of box body processing.
Background
With the rapid development of urban roads and the continuous expansion of urban greening areas, the pressure of urban road cleaning is increased day by day. The sanitation vehicle for road cleaning plays an important role, particularly a washing and sweeping vehicle, is particularly suitable for the requirement of domestic urban road operation because of the function of combining cleaning and cleaning, and the market conservation quantity and the demand are increased more and more. The water tank body is an important component of environmental sanitation vehicles such as road washing and sweeping vehicles and mainly contains clean water required by normal ground washing operation of the vehicles and recycled sewage and garbage.
The tank of the cleaning vehicle is mainly used for containing clean water used for vehicle operation and sewage and garbage recovered from the ground, and has enough sealing performance.
The cleaning vehicle box body adopts an integrated box body structure that the clean water bin and the sewage bin are arranged in the same box body, and an inner cavity of the box body is divided into the clean water bin and the sewage bin through an intermediate partition plate and an inclined floor plate in the box body.
The box of cleaning cart mainly comprises support frame and bounding wall welding that the board tailor-welding of bending formed, and the structure is complicated, spare part is more, if the order is unreasonable to big subassembly tailor-welding in-process for the small assembly, can lead to partial position not to have the space to weld. The welding seam is discontinuous or has a defect, the clean water tank part, the sewage tank part and the atmospheric environment can not be completely separated, the medium in the tank body can be leaked to the external environment or the clean water and the sewage mutually invade, and the work performance of the whole machine can not be realized. Therefore, reasonable assembly welding sequence and welding process are needed, and the continuity of welding seams is ensured so as to meet the functions and requirements of the box body.
In addition, the clear water bin and the sewage bin are isolated, the stand column penetrates through the clear water bin and the sewage bin, in order to avoid the clear water and sewage from invading each other through the stand column, the side plate and the inclined floor plate need to be completely sealed, specifically, gaps on two sides of the connecting surface of the stand column and the side plate need to be completely welded up and down, welding spots on the junction part of the inclined floor plate and the stand column are sealed, the stand column is generally 2-3 meters long, the stand column, the side plate and the inclined floor plate are completely welded in the mode, the length of each welding line of each vertical stand column and each vertical framework reaches 4-6 meters, the welding workload is too large, leak points are easily formed, and the phenomenon that clear water and sewage invade each other can also exist.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the welding method of the cleaning vehicle box body, which has the advantages of convenient welding operation, high box body strength after welding, good sealing performance and capability of avoiding the mutual invasion of the clean water bin and the sewage bin.
The technical scheme for solving the technical problems is as follows: the utility model provides a welding method of cleaning cart box, the box includes bottom frame assembly, front bezel assembly, back wallboard assembly, the upright post assembly of clear water storehouse, sewage storehouse skeleton assembly, outer surrounding plate assembly, oblique bed board skeleton assembly, oblique bed board assembly and roof assembly, bottom frame assembly includes the bottom plate frame and sets up the bottom plate on the bottom plate frame, the front bezel assembly include the front bezel assembly and through the horizontal skeleton assembly of clear water storehouse with the intermediate bottom assembly that the front bezel assembly is connected, the intermediate bottom assembly locate the rear side of front bezel assembly, concrete welding step as follows:
1) Welding a front wallboard assembly and a rear wallboard assembly on the bottom frame assembly; the bottom plate is welded on the bottom plate frame, the front plate assembly is welded at the front part of the bottom plate through the front plate assembly to realize the installation of the front plate assembly, and the rear plate assembly is welded at the rear part of the bottom plate;
2) Welding clear water bin vertical column assemblies on two sides of the bottom plate between the middle partition plate assembly and the rear wall plate assembly, wherein each clear water bin vertical column assembly comprises a clear water bin vertical column, the outer side surfaces of the clear water bin vertical columns on the same side are on the same plane, and a welding seam formed by the clear water bin vertical columns and the bottom plate is a continuous working welding seam;
3) A sewage bin framework assembly is welded among the rear wall plate assembly, the middle partition plate assembly and the clear water bin vertical column assembly, the sewage bin framework assembly comprises a sewage bin vertical column, and the sewage bin vertical column is correspondingly welded on the clear water bin vertical column;
4) Sealing and welding a peripheral plate assembly on the left side and the right side of the box body, wherein the peripheral plate assembly comprises a left side plate and a right side plate, and the inner surfaces of the side plates are tightly attached to the clear water bin vertical column and the sewage bin vertical column; welding an inclined plank framework assembly in a cavity formed by the bottom plate, the rear wall plate assembly and the front plate assembly, wherein the inclined plank framework assembly is tightly attached to the peripheral plate assembly, and the gap is not more than 1mm; welding an inclined floor board assembly on an inclined floor board framework assembly, wherein the front side, the rear side, the left side and the right side of the inclined floor board assembly are respectively welded with a middle partition board assembly, a bottom board and a peripheral board assembly in a sealing manner, the front side of an inclined floor board of the inclined floor board assembly is welded with the lower end of the middle partition board assembly, the rear side of the inclined floor board is welded with the bottom board, and the left side and the right side of the inclined floor board are respectively welded with a left side board and a right side board of the peripheral board assembly; and a top plate assembly is welded at the top of the box body.
The invention has the beneficial effects that: carry out whole planning to the box, fall into a plurality of welded assembly with the box, then carry out orderly welding to each welded assembly in proper order, reserve in the overwelding hole of suitable position, the section shutoff of suitable position and holistic orderly group to the welding, not only the welding is convenient, realizes moreover that the welding seam is continuous effective, guarantees the welding strength of box leakproofness and box, avoids the phenomenon that box seepage and clear water, sewage invaded each other.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, step 2) above-mentioned still includes the upper end welding apron of clear water storehouse vertical column, the post welding is erected on clear water storehouse vertical column and/or apron to the sewage storehouse, clear water storehouse vertical column stretches out the part of inclined bed board and apron and the juncture of curb plate carries out seal welding.
The beneficial effect who adopts above-mentioned further scheme is, the top of erecting the stand at the clear water storehouse has set up the apron and has carried out the shutoff, the apron can play the isolation on the one hand, avoid sewage to invade the clear water intracavity through the inside of erecting the stand, further guarantee clear water storehouse and sewage storehouse and keep apart completely, on the other hand also is convenient for the clear water storehouse to erect the stand and carry out seal weld with the curb plate, and the welding of sewage storehouse perpendicular stand, realize that the clear water storehouse erects between stand and the curb plate and the sewage storehouse erects the stand and erects the stable connection between the stand with the clear water storehouse. And the clear water storehouse is erected the part that the stand stretches out oblique bed board and is lapped and the juncture of curb plate and carry out seal weld: the upper part of the inclined plank extending out of the vertical column of the clean water bin and the path where the cover plate and the side plate are intersected are welded to form an inverted U-shaped welding line, and therefore the vertical column of the clean water bin and the side plate are welded in a sealing mode.
Further, the oblique bed plate assembly comprises a plurality of oblique bed plates, a notch matched with the clear water bin vertical stand column is formed in the oblique bed plates, the upper end of the clear water bin vertical stand column extends out of the notch, and the clear water bin vertical stand column is in seal welding with the junction of the notch. The junction is three lines of intersection of the vertical upright post of the clear water bin and the inclined floor plate; namely, a U-shaped welding seam which is opened towards the side plate direction is formed; and the upper part of the inclined floor plate extending out of the vertical upright post of the clear water bin and the path of the crossed cover plate and the side plate are welded to form an inverted U-shaped welding seam, and the inverted U-shaped welding seam is hermetically connected with the opening end of the U-shaped welding seam.
Adopt above-mentioned further scheme's beneficial effect to be, adopt this welding mode, then the welding seam only with erect the length of side or the diameter of stand and stretch out the height correlation of oblique bed board, if select for use the length of side 40 mm's the post of erectting, then total welding seam is no longer than 0.2 meters, all the other only need the spot welding can reach the effect that sewage storehouse, clean water storehouse thoroughly sealed keep apart, improve the welding efficiency of box, guarantee the complete isolation between clean water storehouse and the sewage storehouse.
Furthermore, the lower end of the vertical column of the sewage bin is provided with a welding operation space which is convenient for the cover plate and the side plate to be welded in a sealing way.
Adopt above-mentioned further scheme's beneficial effect is that, the post welding is erected on clear water storehouse vertical column or clear water storehouse vertical column and apron to sewage storehouse, and later clear water storehouse vertical column welds with curb plate, oblique bed plate, for the ease of clear water storehouse vertical column, apron and curb plate seal weld, so the welding operation space has been reserved to the lower extreme of sewage storehouse vertical column, is convenient for carry out seal weld to apron and curb plate juncture.
Furthermore, the clear water bin vertical column is of a U-shaped pipe structure or a hollow rectangular pipe structure.
The clear water bin vertical upright post adopts a U-shaped tube structure or a hollow rectangular tube, the interior of the clear water bin vertical upright post is hollow, the U-shaped tube structure is simple, materials are convenient to obtain, meanwhile, the weight is light, the upright post and the box body are convenient to weld, and meanwhile, the weight of the box body can be reduced; the hollow rectangular pipe structure increases the contact area and the welding area of the vertical upright post and the side plate, and further increases the connection sealing performance.
Furthermore, the bottom of the middle partition plate assembly extends downwards and is connected with the bottom plate, and a through hole is formed in the lower portion of the middle partition plate assembly.
The technical scheme has the advantages that the front wall plate assembly is welded with the front end of the bottom plate, the middle partition plate assembly is welded on the bottom plate on the rear side of the front wall plate assembly, the middle partition plate assembly is parallel to the front wall plate assembly, the planes of the middle partition plate assembly and the front wall plate assembly are perpendicular to the bottom plate respectively, the clear water bin transverse framework assembly is welded between the front wall plate assembly and the middle partition plate assembly, the front clear water bin is formed between the front wall plate assembly and the middle partition plate assembly as well as between the front wall plate assembly and the side plates, the rear clear water bin is formed between the inclined paving plate and the bottom plate as well as between the inclined paving plate and the side plates, the clear water bin is in an L shape rotating 90 degrees anticlockwise, and the lower part of the middle partition plate assembly can be not welded with the bottom plate to meet the communication between the front clear water bin and the rear clear water bin. In order to further increase the installation strength of the front assembly and the middle clapboard assembly, the lower end of the middle clapboard assembly extends and is welded with the bottom plate, and in order to meet the communication between the front clean water bin and the rear clean water bin, the lower part of the middle clapboard assembly is provided with a communicated through hole, the circulation of the clean water at the two sides of the middle clapboard assembly is realized through the through hole, and the flow of the clean water in the clean water bin is met.
Furthermore, the front plate assembly further comprises an air duct box assembly, and the air duct box assembly is welded between the front plate assembly and the middle partition plate assembly.
The air duct of the air duct box assembly is used as a vacuumizing pipeline, one end of the air duct is communicated with the sewage bin, the other end of the air duct is connected with the fan or the vacuum pump, the sewage bin can be vacuumized to collect sewage garbage in the sewage bin, the space above the clean water bin of the box body is effectively utilized, the vacuumizing pipeline is stable, and the vacuumizing requirement of the sewage bin can be met.
Furthermore, the side plates are of corrugated structures, and concave-convex structures matched with the corrugated structures are arranged on the outer surfaces of the vertical columns of the sewage bin.
The beneficial effect who adopts above-mentioned further scheme is that, the corrugated structure further increases the support intensity of curb plate to increase the bulk strength of cleaning vehicle box, in order to satisfy the sealing connection with the curb plate of corrugated structure, have the concave-convex structure with corrugated structure looks adaptation on the vertical stand of sewage storehouse, make upright erect the post can with the curb plate welding, guarantee the two stability of being connected.
Furthermore, a water collecting tank and/or a suction pipe mounting seat are welded on the bottom plate.
The adoption of the further scheme has the beneficial effects that before the bottom plate is welded on the bottom plate framework, the water collecting tank and the suction mounting seat can be welded on the bottom part, the suction pipe mounting seat welded on the bottom plate is convenient for mounting and positioning the suction pipe, and the water collecting tank welded on the bottom plate can be turned over together when the box body is turned over to dump garbage; when the water level in the clean water bin in the box body is lower, the water in the clean water bin is accumulated in the water collecting tank, so that the water pump can suck the water conveniently.
Furthermore, at least one wave-preventing plate is welded at the bottom of the inclined plank frame assembly.
The anti-wave plate is welded on the inclined plank framework before the inclined plank framework assembly is laid, and the anti-wave plate is provided with the through hole, so that the supporting strength and the bearing capacity of the inclined plank are further improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a bottom frame assembly welded according to the present invention;
FIG. 3 is a schematic view of the front plate assembly welded to the base plate according to the present invention;
FIG. 4 is a schematic view of the structure of the rear wall panel assembly welded to the base plate according to the present invention;
FIG. 5 is a schematic structural view of a clear water silo vertical column assembly welded on a bottom plate;
FIG. 6 is a schematic view of the welded sewage tank frame assembly according to the present invention;
FIG. 7 is a schematic view of the construction of a welded peripheral plate assembly according to the present invention;
FIG. 8 is a schematic structural view of a welded cross-decking framework assembly of the present invention;
FIG. 9 is a schematic structural view of a welded cross deck assembly of the present invention;
FIG. 10 is a schematic view of the welded roof panel assembly of the present invention;
FIG. 11 is a schematic structural view of a vertical column of a U-shaped tubular structure in the box body according to the present invention;
FIG. 12 is a partially enlarged view of a vertical column of the U-shaped tubular structure according to the present invention;
FIG. 13 is a schematic view of the cover plate of the present invention mounted on the upright post;
FIG. 14 is a schematic view of the welding structure of the vertical column, the cover plate and the side plate of the present invention;
FIG. 15 is a schematic structural view of a welding line of a vertical column, an inclined plank and a side plate of the U-shaped tube structure of the present invention;
FIG. 16 is a schematic structural view of a vertical column of a sewage tank welded to a vertical column of a U-shaped tubular structure according to the present invention;
FIG. 17 is a partially enlarged view of the hollow rectangular tube vertical column and the inclined plank welded together according to the present invention;
FIG. 18 is a schematic structural view of a cover plate welded to a vertical column of the hollow rectangular tube according to the present invention;
FIG. 19 is a schematic structural view of the welding of the vertical column and the side plate of the hollow rectangular tube of the present invention;
FIG. 20 is a schematic structural view of a welding line of a vertical column, an inclined plank and a side plate of the hollow rectangular tube according to the present invention;
in the drawing, 1, a bottom frame assembly; 101. a base plate; 102. a water collection tank; 103. a suction tube mount; 2. a front wall panel assembly; 3. a middle partition assembly; 301. a through hole; 4. a clear water bin transverse framework assembly; 5. an air duct box assembly; 6. a rear wall panel assembly; 7. a clear water bin vertical column assembly; 701. a clear water bin vertical column; 702. a cover plate; 8. a sewage bin skeleton assembly; 801. a vertical upright post of the sewage bin; 9. a peripheral plate assembly; 901. a side plate; 10. an inclined floor board framework assembly; 11. an inclined floor assembly; 110. obliquely paving a plate; 12. a top plate assembly; 13. a swash plate; 14. a U-shaped weld; 15. an inverted U-shaped weld; 16. and welding an operation space.
Detailed Description
The principles and features of this invention are described below in conjunction with examples, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
1) Welding a front wall plate assembly 2 and a rear wall plate assembly 6 on the bottom frame assembly 1; the bottom plate 102 is welded on the bottom plate frame, the front wall plate assembly 2 is welded at the front part of the bottom plate 102, the rear wall plate assembly 6 is welded at the rear end of the bottom plate 102, the front wall plate assembly is installed by welding the front wall plate assembly and the bottom plate, and the plane of the rear wall plate assembly 6 is vertical to the bottom plate;
2) Welding clear water bin vertical column assemblies 7 at two sides of the bottom plate between the middle partition plate assembly and the rear wall plate assembly, wherein each clear water bin vertical column assembly comprises a clear water bin vertical column 701, the outer side surfaces of the clear water bin vertical columns at the same side are on the same plane, and a welding seam formed by the clear water bin vertical columns and the bottom plate is a continuous working welding seam;
3) A sewage bin skeleton assembly 8 is welded among the rear wall plate assembly, the middle partition plate assembly and the clear water bin vertical column assembly, the sewage bin skeleton assembly comprises a sewage bin vertical column 801, and the sewage bin vertical column is correspondingly welded on the clear water bin vertical column;
4) Peripheral plate assemblies 9 are hermetically welded on the left side and the right side of the box body, each peripheral plate assembly comprises a left side plate 901 and a right side plate 901, and the inner surfaces of the side plates are tightly attached to the clear water bin vertical column and the sewage bin vertical column; welding an inclined floor framework assembly 10 in a cavity formed by the bottom plate, the rear wall plate assembly and the front plate assembly, wherein the inclined floor framework assembly is tightly attached to the peripheral plate assembly, and the gap is not more than 1mm; an inclined floor plate assembly 11 is welded on an inclined floor plate framework assembly, the front side, the rear side, the left side and the right side of the inclined floor plate assembly are respectively welded with a middle partition plate assembly, a bottom plate and a peripheral plate assembly in a sealing mode, the front side of an inclined floor plate of the inclined floor plate assembly is welded with the lower end of the middle partition plate assembly in a sealing mode, the rear side of the inclined floor plate is welded with the bottom plate in a sealing mode, and the left side and the right side of the inclined floor plate are respectively welded with a left side plate and a right side plate of the peripheral plate assembly in a sealing mode; a top plate assembly 12 is welded to the top of the tank.
Above-mentioned step 2) still includes the upper end welded cover board 702 of stand is erect in the clear water storehouse, then erects the stand in the sewage storehouse and erects the stand welding with the clear water storehouse when, the sewage storehouse is erect the post welding and is erecting the stand in the clear water storehouse, perhaps on the apron or the clear water storehouse erects on stand and the apron, when welding outer surrounding plate assembly, the clear water storehouse erects the stand stretch out oblique bed board part and apron with the juncture of the curb plate of outer surrounding plate assembly carries out seal welding: the upper part of the inclined plank extending out of the vertical column of the clean water bin and the path where the cover plate and the side plate are intersected are welded to form an inverted U-shaped welding line, and therefore the vertical column of the clean water bin and the side plate are welded in a sealing mode. The top of erecting the stand in clear water storehouse has set up the apron and has carried out the shutoff, the apron can play the isolation on the one hand, avoid sewage to invade the clear water intracavity through the inside of erecting the stand, further guarantee clear water storehouse and sewage storehouse and keep apart completely, on the other hand also be convenient for the clear water storehouse to erect the stand and carry out seal weld with the curb plate to and the welding of sewage storehouse perpendicular stand, realize that the clear water storehouse erects between stand and the curb plate and the sewage storehouse erects the stable connection between stand and the clear water storehouse perpendicular stand.
The inclined floor board assembly comprises a plurality of inclined floor boards 110, a notch matched with the clear water bin vertical column is formed in each inclined floor board, the upper end of the clear water bin vertical column is stretched out through the notch, and the clear water bin vertical column is welded with the junction of the notch in a sealing mode. The gap is of a U-shaped structure and is paved with an inclined plank, the gap is matched with the clear water bin vertical column, and the junction is three lines of intersection of the clear water bin vertical column and the inclined plank; namely, a U-shaped welding seam which is opened towards the side plate direction is formed; and the upper part of the inclined plank extending out of the vertical upright post of the clean water bin and the path of the intersection of the cover plate and the side plate are welded to form an inverted U-shaped welding seam, and the inverted U-shaped welding seam is connected with the opening end of the U-shaped welding seam in a sealing manner. Adopt this welding mode, then the welding seam only with erect the length of side or the diameter of stand and stretch out the height correlation of oblique bed plate, if choose for use the length of side 40 mm's the post of erectting, then total welding seam is no longer than 0.2 meters, all the other only need the spot welding can reach the effect that sewage storehouse, clean water storehouse thoroughly sealed keep apart, improve the welding efficiency of box, guarantee the complete isolation between clean water storehouse and the sewage storehouse.
The lower end of the vertical column of the sewage bin is provided with a welding operation space 16 which is convenient for the cover plate and the side plate to be welded in a sealing way. As shown in FIG. 6, a welding operation space 16 is reserved at the lower part of the vertical column of the sewage bin. The vertical stand column of the sewage bin is provided with a bending edge connected with the side plate, the lower end of the bending edge is of a chamfer angle structure, and a welding operation space can be formed between the vertical stand column of the sewage bin and the cover plate after the vertical stand column of the sewage bin is welded. The post welding is erect on the stand is erected in clear water storehouse or clear water storehouse is erected on stand and apron, later clear water storehouse erect stand and curb plate, oblique bed plate welding, for the ease of the clear water storehouse erects stand, apron and curb plate seal weld, so the lower extreme of the stand is erected in the sewage storehouse has reserved the welding operation space, is convenient for carry out seal weld to apron and curb plate juncture.
The clear water storehouse is erected the stand and is adopted U type tubular construction. The upright post of the clear water bin adopts a U-shaped pipe structure or a hollow rectangular pipe, the interior of the upright post is hollow, the structure of the U-shaped pipe structure is simple, materials can be taken conveniently, meanwhile, the upright post and the box body are convenient to weld, and meanwhile, the weight of the box body can be reduced.
Preferably, the bottom of the middle partition assembly 3 extends downwards and is connected with the bottom plate, and the lower part of the middle partition assembly is provided with a through hole 301. The front wall plate assembly is welded with the front end of the bottom plate, the middle partition plate assembly is welded on the bottom plate at the rear side of the front wall plate assembly, the middle partition plate assembly is parallel to the front wall plate assembly, planes of the middle partition plate assembly and the front wall plate assembly are perpendicular to the bottom plate respectively, the clear water bin transverse framework assembly is welded between the front wall plate assembly and the middle partition plate assembly, a front clear water bin is formed between the front wall plate assembly and the middle partition plate assembly as well as between the front wall plate assembly and the side plates, a rear clear water bin is formed between the inclined floor plate and the bottom plate as well as between the inclined floor plate and the side plates, the clear water bin is in an L shape which rotates 90 degrees anticlockwise, and the lower portion of the middle partition plate assembly can be not welded with the bottom plate, so that the front clear water bin and the rear clear water bin can be communicated. In order to further increase the installation strength of the front assembly and the middle clapboard assembly, the lower end of the middle clapboard assembly extends and is welded with the bottom plate, and in order to meet the communication between the front clean water bin and the rear clean water bin, the lower part of the middle clapboard assembly is provided with a communicated through hole, the circulation of the clean water at the two sides of the middle clapboard assembly is realized through the through hole, and the flow of the clean water in the clean water bin is met.
The front plate assembly further comprises an air duct box assembly 5, and the air duct box assembly is welded between the front plate assembly and the middle partition plate assembly. The air duct of the air duct box assembly is used as a vacuumizing pipeline, one end of the air duct is communicated with the sewage bin, the other end of the air duct is connected with the fan or the vacuum pump, the vacuumizing operation can be performed on the sewage bin to collect sewage garbage into the sewage bin, the space above the clean water bin of the box body is effectively utilized, the vacuumizing pipeline is stable, and the vacuumizing requirement of the sewage bin can be met.
The side plates are of corrugated structures, and concave-convex structures matched with the corrugated structures are arranged on the outer surfaces of the vertical stand columns of the sewage bin. The corrugated structure further increases the support intensity of curb plate to increase the bulk strength of cleaning cart box, in order to satisfy the sealing connection with the curb plate of corrugated structure, there is the concave-convex structure with corrugated structure looks adaptation on the vertical stand in sewage storehouse, make upright erect the post can with the curb plate welding, guarantee the two stability of connection.
A water collection tank 102 and/or a suction pipe mounting seat 103 are welded on the bottom plate. Before the bottom plate is welded on the bottom plate framework, a water collecting tank and a suction mounting seat can be welded on the bottom, the suction pipe mounting seat welded on the bottom plate is convenient for mounting and positioning a suction pipe, and the water collecting tank welded on the bottom plate can be turned over together when the box body is turned over to dump garbage; when the water level in the clean water bin in the box body is lower, the water in the clean water bin is accumulated in the water collecting tank, so that the water pump can suck the water conveniently.
At least one swash plate 13 is welded at the bottom of the inclined plank frame assembly. Before the inclined plank framework assembly is laid, the swash plate is welded on the inclined plank framework and is provided with the through holes, and therefore the supporting strength and the bearing capacity of the inclined plank are further improved.
The oblique planks are laid on the oblique plank framework, fillet welds formed after the oblique planks are laid are sealing welds, and the root gaps of splicing welds between the oblique planks are not smaller than the thickness of the planks. The sewage bin is arranged above the inclined floor plate, the clear water bin is arranged below the inclined floor plate, and in order to completely isolate sewage and clear water, the inclined floor plate is required to have good welding stability and sealing performance, so that the sewage and the clear water can be completely isolated, and meanwhile, the inclined floor plate is convenient to lay and weld.
The bottom plate and the bottom plate frame are welded discontinuously, welding seams are evenly spaced, and corners are welded continuously. The welding tightness and the welding stability of the bottom frame assembly are ensured. Carry out whole planning to the box, fall into a plurality of welding assembly with the box to in proper order to carrying out orderly welding, not only the welding is convenient, realizes moreover that the welding seam is continuous effective, guarantees the welding strength of box leakproofness and box, avoids the phenomenon that box seepage and clear water, sewage invaded each other.
The box includes 12 little welded assemblies, and 12 little welded assemblies all need be in advance to the welding of group, because of the not enough needs tailor-welding of sheet width, butt joint panel groove of polishing, and degree of depth more than 2mm, group is to the clearance, and the clearance is thick twice, at first welds the welding seam that does not contact with water towards the box outside, then back gouging, and degree of depth more than 2mm uses argon tungsten arc welding and welds and need last welding with the welding seam of water contact. The bottom plate and the frame in the bottom frame assembly are welded discontinuously, the welding seams are evenly spaced, the length of each welding seam is 50mm and 250-300 mm, the corners are continuously welded, and the length of each welding seam is a right-angle edge of 50 mm. The front wall plate assembly, the middle partition plate assembly and the clear water bin transverse framework assembly are assembled to the bottom frame assembly according to specified positions, the surfaces formed by the front wall plate assembly and the middle partition plate assembly are parallel to each other and are perpendicular to the plane formed by the bottom frame assembly, and the error is less than or equal to 2mm. The fillet weld that front wall plate assembly and bottom frame assembly formed is sealed weld, and when sealed weld group, root clearance must not exceed 2mm, has the position in clearance, needs to increase the fillet weld size properly. If the gap is locally too large, the entire body should be trimmed to a predetermined size. The welding joint is not left in the over-welding hole, the joint needs to be led out, when the welding is conducted in a segmented mode, before the next welding seam starts to be in arc, the arc-closing position of the previous welding seam needs to be polished for slope transition, and the overlapping of the two sections of welding seams is not less than 10mm. The rear wall plate assembly is assembled to the bottom frame assembly according to a specified position, the formed planes are mutually vertical, the error is less than or equal to 2mm, the planes are mutually parallel with the plane formed by the middle partition plate assembly, and the error is less than or equal to 2mm. The fillet weld formed is a sealing weld, and the welding requirements are the same as above. The clear water bin vertical column assembly is assembled to the bottom frame assembly according to the specified position, the outward-facing surfaces of the same side frameworks are coplanar, and the error is not more than 1mm. The welding seam formed by the framework and the bottom plate is a connecting welding seam. The sewage bin framework assembly is assembled above the vertical stand column of the clear water bin, the outward-facing surfaces of the same side frameworks are coplanar, and the error is not more than 1mm. The welding seam at the joint of the two is a connecting welding seam. The bounding wall assembly is according to the group of regulation position to the skeleton on, the bounding wall closely laminates with the skeleton, and the clearance must not exceed 2mm. The fillet weld which is formed by the peripheral plate assembly and the bottom plate, the rear wall plate assembly and the middle partition plate assembly in the bottom frame assembly and faces the inner side of the box body is a sealing weld, and the fillet weld which is formed by the peripheral plate assembly and the front wall plate assembly and faces the outer side of the box body is a sealing weld. The inclined floor plate framework assembly is assembled to the middle of a cavity formed by the bottom frame assembly, the middle partition plate assembly and the peripheral plate assembly, so that the inclined floor plate framework is tightly attached to the peripheral plate, the gap is not more than 1mm, otherwise, the shrinkage is too large when the inclined floor plate framework assembly is welded with the peripheral plate 9, and the integral flatness of the appearance surface is influenced. The oblique planking is the polylith according to box skeleton texture cutting, is convenient for place between oblique planking skeleton, and each piecemeal when mating formation to oblique planking skeleton assembly closely pushes up the laminating with outer surrounding plate, and local clearance is no longer than 1mm. The fillet weld formed after laying is a sealing weld, the root gap of the splicing weld among all the blocks is not less than the plate thickness, the framework and all the block inclined planks need to be tightly connected together through the weld, and the weld strength can resist the 'water hammer' effect caused by acceleration and deceleration of water in the water tank in the advancing process of a vehicle. After the top plate assembly is laid, welding seams formed by parts paired with a previous working procedure need to be welded from the interior of the box body, and each box body is thoroughly separated by continuous welding seams.
The process support, the bidirectional screw rod and the like used in the box are made of stainless steel or the parts connected with the inner wall of the box through spot welding are made of stainless steel. When the process support and the like are removed, the process support and the like cannot be directly hammered and knocked off. The spot welding seam needs to be polished and removed without damaging the surface of the steel plate of the box body. The remaining weld needs to be polished flat and the excess plate thickness cannot be removed. The cutting plate in contact with water in the box needs to polish and flatten notch oxide skin, slag and uneven parts of the cross section, so that the metal luster of the stainless steel is exposed. When the sealing welding seam is involved, before the next welding seam starts arc, the arc-closing part of the previous welding seam needs to be polished for transition, and the overlapping of the two welding seams is not less than 10mm. When box body sealing weld joints such as fillet weld joints are paired, the root gap must not exceed 2mm, and the size of a welding corner needs to be properly increased at the position where the gap exists. If the gap is locally too large, the gap should be trimmed to a predetermined size, and the gap should be prevented from being filled with a plug. Setting welding parameters: the current setting range is 125-175A, the voltage is 18-24V, the dry elongation is about 10 times of the diameter of a welding wire, the gas flow is 15-20L/min, the welding speed is 450-600 mm/min, the welding wire melting state can be confirmed on a welding plate before welding, the welding parameters are adjusted according to the actual condition of equipment, the welding wire is ensured to be molten, the welding seam is full, and the back of the steel plate cannot be collapsed. When welding, the gun is not required to be swung as far as possible, and when the width is not enough, the welding gun can be detached into multilayer multi-pass welding. During welding, the welding is carried out in a mode of low current, low voltage, fast welding and fast cooling.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a welding method of cleaning cart box, characterized in that, the box includes bottom frame assembly, front bezel assembly, back wallboard assembly, the upright post assembly in clear water storehouse, sewage storehouse skeleton assembly, outer surrounding plate assembly, oblique bed board skeleton assembly, oblique bed board assembly and roof assembly, bottom frame assembly includes the bed plate frame and sets up the bottom plate on the bed plate frame, the front bezel assembly include the front bezel assembly and through clear water storehouse horizontal skeleton assembly with the intermediate bottom assembly that the front bezel assembly is connected, the intermediate bottom assembly is located the rear side of front bezel assembly, concrete welding step as follows:
1) Welding a front wall plate assembly and a rear wall plate assembly on the bottom frame assembly;
2) Welding clear water bin vertical column assemblies on two sides of the bottom plate between the middle partition plate assembly and the rear wall plate assembly, wherein each clear water bin vertical column assembly comprises a clear water bin vertical column, and the outer side surfaces of the clear water bin vertical columns on the same side are on the same plane;
3) A sewage bin skeleton assembly is welded among the rear wall plate assembly, the middle partition plate assembly and the clear water bin vertical upright post assembly, the sewage bin skeleton assembly comprises a sewage bin vertical upright post, and the sewage bin vertical upright post is correspondingly welded on the clear water bin vertical upright post;
4) Sealing and welding a peripheral plate assembly on the left side and the right side of the box body, wherein the peripheral plate assembly comprises a left side plate and a right side plate, and the inner surfaces of the side plates are tightly attached to the clear water bin vertical column and the sewage bin vertical column; welding an inclined floor board framework assembly in a cavity formed by the bottom board, the rear wall board assembly and the middle partition board assembly, wherein the inclined floor board framework assembly is tightly attached to the peripheral board assembly; welding an inclined floor plate assembly on the inclined floor plate framework assembly, wherein the front side, the rear side, the left side and the right side of the inclined floor plate assembly are respectively welded with the middle partition plate assembly, the bottom plate and the peripheral plate assembly in a sealing manner; welding a top plate assembly at the top of the box body;
the inclined floor plate assembly comprises a plurality of inclined floor plates, notches matched with the clear water bin vertical columns are formed in the inclined floor plates, the upper ends of the clear water bin vertical columns extend out of the notches, the junctions of the clear water bin vertical columns and the notches are welded in a sealing mode, and the junctions are three lines formed by intersecting the clear water bin vertical columns and the inclined floor plates; forming a U-shaped welding seam which is opened towards the side plate; and the upper part of the inclined plank extending out of the vertical upright post of the clean water bin and the path of the intersection of the cover plate and the side plate are welded to form an inverted U-shaped welding seam, and the inverted U-shaped welding seam is connected with the opening end of the U-shaped welding seam in a sealing manner.
2. The method for welding the tank body of the cleaning vehicle according to claim 1, wherein the step 2) further comprises welding a cover plate on the upper end of the vertical clear water bin column, the vertical sewage bin column is welded on the vertical clear water bin column and/or the cover plate, and the part of the vertical clear water bin column extending out of the inclined floor plate and the junction of the cover plate and the side plate are welded in a sealing manner.
3. The welding method for cleaning the tank body of the vehicle as claimed in claim 2, wherein the lower end of the vertical column of the sewage bin is provided with a welding operation space for facilitating the sealing welding of the cover plate and the side plate.
4. The welding method for the cleaning vehicle box body according to claim 1, wherein the clear water bin vertical column is of a U-shaped pipe structure or a hollow rectangular pipe structure.
5. The method for welding the tank body of the cleaning vehicle as claimed in any one of claims 1 to 4, wherein the bottom of the intermediate partition assembly extends downward and is connected to the bottom plate, and the lower part of the intermediate partition assembly is provided with a through hole.
6. The method of welding a vehicle tank of claim 5, wherein the front panel assembly further comprises an air duct tank assembly welded between the front panel assembly and a center sill assembly.
7. The method for welding the cleaning vehicle box body according to any one of claims 1 to 4, wherein the side plates are of a corrugated structure, and the outer surface of the vertical column of the sewage bin is provided with a concave-convex structure matched with the corrugated structure.
8. The method for welding the tank body of the cleaning vehicle as claimed in any one of claims 1 to 4, wherein a water collecting tank and/or a suction pipe mounting seat are further welded to the bottom plate.
9. The method for welding the tank body of the cleaning vehicle according to any one of claims 1 to 4, wherein at least one swash plate is welded to the bottom of the inclined plank frame assembly.
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| CN113953778B (en) * | 2021-11-23 | 2022-08-23 | 湖北三江航天红阳机电有限公司 | Precision machining method for large-scale framework welding structure combined square box |
| CN114248035A (en) * | 2021-12-21 | 2022-03-29 | 江苏拓米洛环境试验设备有限公司 | Welding method for inner box of environmental test chamber |
| CN115026479B (en) * | 2022-07-05 | 2024-12-03 | 杭州汽轮动力集团股份有限公司 | A welding method for multi-station segmented simultaneous operation |
| CN115805372B (en) * | 2023-01-31 | 2023-05-09 | 四川明日宇航工业有限责任公司 | Welding process of light-conducting box |
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