CN112570948B - Kitchen waste truck rear door assembly welding method and assembly welding tool - Google Patents
Kitchen waste truck rear door assembly welding method and assembly welding tool Download PDFInfo
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- CN112570948B CN112570948B CN201910927400.XA CN201910927400A CN112570948B CN 112570948 B CN112570948 B CN 112570948B CN 201910927400 A CN201910927400 A CN 201910927400A CN 112570948 B CN112570948 B CN 112570948B
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- seat
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- 238000003466 welding Methods 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000010806 kitchen waste Substances 0.000 title claims abstract description 19
- 239000010813 municipal solid waste Substances 0.000 claims description 22
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000007306 turnover Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 11
- 238000003754 machining Methods 0.000 description 5
- 230000009975 flexible effect Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
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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 to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
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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 to a procedure covered by only one of the preceding main groups
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- Engineering & Computer Science (AREA)
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- Body Structure For Vehicles (AREA)
Abstract
The invention relates to a kitchen waste truck rear door welding method and a welding tool, wherein the kitchen waste truck rear door welding method comprises the following steps: 1) placing the rear door hinge base at a set position on the carriage; 2) taking the back door hinge joint as a reference, positioning and placing the oil cylinder support at a set position, and spot welding the back door hinge joint and the oil cylinder support on the carriage; 3) positioning a rear door and placing the rear door at a rear door closing position, hinging one end of a telescopic assembly on an oil cylinder support, enabling the telescopic assembly to be in a rear door closing position, positioning and hinging a lower hinging lug on a rear door oil cylinder seat on a rear door hinging seat, hinging an upper hinging lug of the rear door oil cylinder seat on the other end of the telescopic assembly, and then fixing the rear door oil cylinder seat and the rear door together by spot welding; 4) driving the rear door to turn over to simulate the opening and closing of the rear door; 5) and if the back door is smooth in the overturning process, welding and fixing the back door hinge seat and the oil cylinder support on the carriage, and welding and fixing the back door oil cylinder seat and the back door together to finish the welding of the back door.
Description
Technical Field
The invention relates to a kitchen waste truck rear door welding method and a welding tool.
Background
In the garbage disposal process of the kitchen garbage truck, the sealing performance of a carriage of the kitchen garbage truck needs to be ensured, the problems of peculiar smell flying out, sewage dripping and the like in the carriage are avoided, and the secondary pollution to the surrounding environment is reduced. At present, the problems of peculiar smell flowing out and sewage dripping leakage of the kitchen garbage truck are mainly concentrated on the position of a rear door of a truck box, so that the uniform and consistent gap between the rear door frame and the periphery of the rear door of the truck box is ensured during welding, and the sealing performance after a sealing strip is installed between the rear door and the rear door frame is further ensured.
In the prior art, when a back door of a kitchen garbage truck is welded, a back door hinge seat is welded on a truck box, then the position of an oil cylinder support is positioned by taking the back door hinge seat as a reference, and the oil cylinder support is welded on the truck box after the position of the oil cylinder support is positioned; then, the rear door is aligned with the rear door frame of the carriage and is tightly attached to the rear door frame, wherein a positioning piece is required to be arranged between the rear door and the rear door frame to position a gap between the rear door and the rear door frame so as to ensure the accurate position of the rear door; then the lower hinge lug of the rear door oil cylinder seat is hinged with the rear door hinge seat, the rear door oil cylinder seat is placed on the rear door, the rear door oil cylinder seat can be welded on the rear door, and finally the rear door driving oil cylinder is installed on the oil cylinder support and the upper hinge lug of the rear door oil cylinder seat.
Because the position of back door hydro-cylinder seat is through the position determination of the articulated seat of back door and back door, back door hydro-cylinder seat and back door generally can have machining error, influence the accurate location of back door hydro-cylinder seat easily after two machining errors stack, lead to the position of the last hinge lug of back door hydro-cylinder seat to appear the deviation, when making back door drive cylinder open or close through back door hydro-cylinder seat drive back door, it is difficult to appear back door drive cylinder flexible action easily, and then the back door jamming appears, the skew or close not tight problem, influence the normal work of kitchen garbage truck.
Disclosure of Invention
The invention aims to provide a kitchen waste truck rear door welding method, which aims to solve the problems that in the prior art, the position of a rear door oil cylinder seat is determined by the positions of a rear door hinge seat and a rear door, the rear door oil cylinder seat and the rear door generally have machining errors, and the accurate positioning of the rear door oil cylinder seat is easily influenced after the two machining errors are superposed, so that the position of an upper hinge lug of the rear door oil cylinder seat is deviated; the invention also aims to provide a kitchen waste truck rear door welding tool for the kitchen waste truck rear door welding method.
In order to achieve the purpose, the technical scheme of the kitchen garbage truck rear door welding method is as follows:
the method for welding the rear door of the kitchen waste truck comprises the following steps: 1) placing the rear door hinge base at a set position on the carriage; 2) taking the back door hinge joint as a reference, positioning the oil cylinder support at a corresponding set position on the carriage, and spot-welding the back door hinge joint and the oil cylinder support on the carriage; 3) positioning a rear door at a position corresponding to the closed position of the rear door of a carriage, hinging one end of a telescopic component for simulating a rear door driving oil cylinder on an oil cylinder support, enabling the telescopic component to be in a rear door closed position corresponding to the rear door at the closed position of the rear door, positioning and hinging a lower hinging lug on a rear door oil cylinder seat on a rear door hinging seat through a lower hinging shaft, hinging an upper hinging lug of the rear door oil cylinder seat on the other end of the telescopic component through an upper hinging shaft, and then fixing the rear door oil cylinder seat and the rear door together by spot welding; 4) the rear door is driven to turn around the lower hinge shaft so as to simulate the opening and closing of the rear door, and the telescopic change of a rear door driving oil cylinder is simulated by utilizing the telescopic change of a telescopic component; 5) and if the back door is smooth in overturning process, welding and fixing the back door hinge seat and the oil cylinder support on the carriage, and welding and fixing the back door oil cylinder seat and the back door together to finish the back door welding of the kitchen garbage truck.
The beneficial effects are that: when the back door is welded, the back door hinge seat is firstly placed at a set position on the carriage; then, taking the back door hinge joint seat as a reference, and positioning and placing the oil cylinder support at a corresponding set position on the carriage; the rear door is placed at the closed position of the rear door of the corresponding carriage, one end of the telescopic assembly is hinged to the oil cylinder support, the telescopic assembly is enabled to be in a rear door closing position, then the lower hinge lug on the rear door oil cylinder seat is hinged to the rear door hinge seat through the lower hinge shaft in a positioning mode, the upper hinge lug of the rear door oil cylinder seat is hinged to the other end of the telescopic assembly through the upper hinge shaft, at the moment, the position of the rear door oil cylinder seat is positioned through the telescopic assembly and the rear door hinge seat, the accuracy of the positions of the upper hinge lug and the lower hinge lug of the rear door oil cylinder seat is guaranteed, and then the rear door oil cylinder seat and the rear door are fixed together in a spot welding mode. And finally, the rear door can be driven to turn around the lower hinged shaft to simulate the opening and closing of the rear door, the telescopic change of the rear door driving oil cylinder is simulated by utilizing the telescopic change of the telescopic assembly, if the turning process of the rear door is smooth, the rear door hinged seat and the oil cylinder support are welded and fixed on the carriage, and the rear door oil cylinder seat and the rear door are welded and fixed together to complete the welding and matching of the rear door of the kitchen garbage truck.
Further, in the step 2), the rear door hinge joint is used as a reference, the positioning hole of the rear door hinge joint of the positioning frame is communicated with the hinge hole on the rear door hinge joint to penetrate and install the corresponding positioning shaft, and the positioning hole of the oil cylinder support of the positioning frame is communicated with the hinge hole on the oil cylinder support to penetrate and install the corresponding positioning shaft, so that the oil cylinder support is positioned at the corresponding set position on the carriage.
The beneficial effects are that: the locating rack is simple in structure, the rear door hinge joint seat locating holes and the oil cylinder support locating holes which are arranged in pairs are respectively arranged at four corners of the rectangular frame, the locating of two rear door hinge joints and two oil cylinder supports can be achieved simultaneously, and the locating accuracy can be guaranteed.
Further, in step 3), the lower hinge lug of the rear door cylinder seat is hinged to the rear door hinge seat through the lower hinge shaft, so that the locking seat positioning hole of the locking seat is sleeved on the lower hinge shaft, the locking seat is fixed to the rear door hinge seat through the threaded connection structure, the lower hinge shaft is locked to the rear door hinge seat, and the lower hinge lug of the rear door cylinder seat is positioned and assembled on the rear door hinge seat through the lower hinge shaft.
The beneficial effects are that: the lower hinged shaft is locked in the long hole of the back door hinged base through the locking base, so that the lower hinged shaft is prevented from moving in the long hole, and the accuracy of the back door cylinder base during welding is ensured.
Further, in the step 3), the rear door and the rear door frame of the compartment are aligned, and the rear door is attached to the positioning plate fixedly arranged on the rear door frame, so that the rear door is positioned at the position corresponding to the closing position of the rear door of the compartment.
The beneficial effects are that: the positioning plate is used for positioning the set gap size between the rear door and the rear door frame of the carriage, so that the positioning is simple, and the accuracy of the simulated closing position of the rear door is guaranteed.
Further, in the step 4), the rear door is driven to turn around the lower hinge shaft through a hoisting device.
The beneficial effects are that: because the back door is heavier, drive back door through hoisting accessory and wind the upset of articulated shaft down, be favorable to the upset of back door.
In order to achieve the purpose, the technical scheme of the kitchen garbage truck rear door welding tool is as follows:
kitchen garbage truck back door assembly welding frock includes: the positioning frame comprises a rear door hinge joint seat positioning hole which is used for being communicated with a hinge hole on the rear door hinge joint seat so as to penetrate through a corresponding positioning shaft, and an oil cylinder support seat positioning hole which is used for being communicated with the hinge hole on the oil cylinder support seat so as to penetrate through the corresponding positioning shaft, so that the position of the oil cylinder support seat is positioned by taking the rear door hinge joint seat as a reference; and the telescopic assembly comprises two telescopic parts, wherein one telescopic part is hinged with the oil cylinder support, the other telescopic part is hinged with an upper hinge shaft of the rear door oil cylinder seat, and the telescopic assembly is provided with a rear door closing position corresponding to the rear door being in a rear door closing position and a rear door opening position corresponding to the rear door being in a rear door opening position in the telescopic process.
The beneficial effects are that: the position of the oil cylinder support can be positioned by taking the rear door hinge joint seat as a reference and through a rear door hinge joint seat positioning hole and an oil cylinder support positioning hole on the positioning frame, so that the accuracy of the relative positions of the rear door hinge joint seat and the oil cylinder support is ensured; the telescopic assembly is connected with the oil cylinder support and the rear door oil cylinder seat through two telescopic pieces, so that the telescopic assembly can be driven to stretch in the process of overturning the rear door, the telescopic change of the rear door driving oil cylinder is simulated by utilizing the telescopic change of the telescopic assembly, and if the telescopic action of the telescopic assembly is smooth, the rear door is qualified in welding.
Furthermore, the locating rack comprises a rectangular frame, the rear door hinge joint seat locating holes and the oil cylinder support locating holes are arranged in pairs, and the rear door hinge joint seat locating holes and the oil cylinder support locating holes which are arranged in pairs are respectively arranged at four corners of the rectangular frame.
The beneficial effects are that: the locating rack is simple in structure, the rear door hinge joint seat locating holes and the oil cylinder support locating holes which are arranged in pairs are respectively arranged at four corners of the rectangular frame, the locating of two oil cylinder supports can be simultaneously realized, and the locating accuracy can be guaranteed.
Furthermore, one of the two telescopic parts is an outer sleeve, the other telescopic part is an inner sleeve which is assembled in the outer sleeve in a sliding mode, the outer sleeve is provided with an opening positioning hole and a closing positioning hole, a fixing hole is formed in the inner sleeve, the fixing hole of the inner sleeve is correspondingly communicated with the closing positioning hole to be positioned through a corresponding positioning shaft in a penetrating mode when the rear door is located at the rear door closing position, the telescopic assembly is located at the rear door closing position at the moment, the fixing hole of the inner sleeve is correspondingly communicated with the opening positioning hole to be positioned through a positioning pin shaft in a penetrating mode when the rear door is located at the rear door opening position, and the telescopic assembly is located at the rear door opening position at the moment.
The beneficial effects are that: through opening the locating hole, closing the locating hole and cooperating with the fixed orifices respectively to realize that flexible subassembly is in back door closed position and back door open position, cooperation simple structure, and can make flexible subassembly keep the back door closed position, the welding of the back door hydro-cylinder seat of being convenient for.
Further, the kitchen garbage truck back door assembly welding tool further comprises a positioning plate arranged on the back door, and the thickness of the positioning plate is equal to the set gap size between the back door and the back door frame of the carriage when the back door is located at the back door closing position.
The beneficial effects are that: the set gap size between the rear door and the rear door frame of the carriage is positioned through the positioning plate, so that the positioning is simple, and the accuracy of the closing position of the rear door is guaranteed.
Further, the kitchen garbage truck back door assembly welding tool still includes the locking seat, and the locking seat is including being used for the suit to fix the locking seat locating hole on the articulated shaft under and being used for the threaded connection structure on the articulated seat of back door with the locking seat to with articulated shaft locking down on the articulated seat of back door.
The beneficial effects are that: the lower hinged shaft is locked in the long hole of the back door hinged base through the locking base, so that the lower hinged shaft is prevented from moving in the long hole, and the accuracy of the back door cylinder base during welding is ensured.
Drawings
FIG. 1 is a schematic structural view of a positioning oil cylinder support of a positioning frame of a kitchen waste truck rear door welding tool of the invention;
fig. 2 is a schematic structural diagram of the kitchen waste truck rear door assembly welding tool of the invention, which is used for completing the assembly welding of the rear door and closing the rear door;
fig. 3 is a schematic structural diagram of the kitchen waste truck rear door welding tool for welding the rear door to complete the welding of the rear door and the rear door is in an open state;
FIG. 4 is a schematic structural view of the positioning frame of FIG. 1;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a schematic structural view of the locking socket of FIG. 2;
FIG. 7 is a schematic structural view of the outer sleeve of FIG. 2;
FIG. 8 is a schematic structural view of the inner sleeve of FIG. 2;
in the figure: 1-a compartment; 2-rear door frame; 3-back door hinging seat; 4-a positioning frame; 41-a reinforcing rod; 42-a positioning hole of a back door hinge seat; 43-oil cylinder support positioning hole; 5-oil cylinder support; 6-a rear door; 7-rear door cylinder base; 71-lower hinge ear; 72-upper hinge ear; 8-an outer sleeve; 81-outer sleeve hinge hole; 82-opening the positioning hole; 83-closing the positioning hole; 9-inner sleeve; 91-inner sleeve hinge hole; 92-a fixation hole; 10-a locking seat; 101-a screw; 102-parallel plates; 103-locking seat positioning holes.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
The invention discloses a specific embodiment of a kitchen garbage truck rear door welding tool, which comprises the following steps:
as shown in fig. 1 and 4, the kitchen waste truck rear door welding tool includes a positioning frame 4, the positioning frame 4 includes a rear door hinge base positioning hole 42 for penetrating through a hinge hole on the rear door hinge base 3 to pass through a corresponding positioning shaft, and further includes an oil cylinder support positioning hole 43 for penetrating through a hinge hole on the oil cylinder support 5 to pass through a corresponding positioning shaft, so that the oil cylinder support 5 is positioned and fixed on the truck box 1 by spot welding with the rear door hinge base 3 as a reference.
As shown in fig. 5, the positioning frame 4 includes a rectangular frame, the back door hinge seat positioning holes 42 and the cylinder support positioning holes 43 are both arranged in pairs, and the back door hinge seat positioning holes 42 and the cylinder support positioning holes 43 arranged in pairs are respectively arranged at four corners of the rectangular frame, so that the positioning of the two cylinder supports 5 is realized at the same time, and the positioning accuracy can be ensured. In other embodiments, the positioning frame comprises a positioning rod, the rear door hinge seat positioning hole and the oil cylinder support positioning hole are respectively arranged at two ends of the positioning rod, and at the moment, the positioning frame can only position one oil cylinder support at a time. In other embodiments, instead of using the locating frame to locate the position of the cylinder support, a ruler may be used to measure the distance between the back door hinge seat and the cylinder support, and then the position of the cylinder support may be determined by marking.
In this embodiment, be equipped with two stiffener 41 on the rectangular frame, two stiffener 41 are the splayed and all connect two relative limits of rectangular frame to strengthen the rectangular frame, avoid the rectangular frame to warp and influence the accuracy of hydro-cylinder support location. In other embodiments, in the case where the strength of the rectangular frame itself is satisfied, the reinforcing bar may not be provided. Of course, in other embodiments, the number and arrangement positions of the reinforcing bars may be changed as necessary to reinforce the rectangular frame.
As shown in fig. 2, the kitchen garbage truck rear door welding tool further comprises a telescopic assembly, the telescopic assembly comprises an outer sleeve 8 and an inner sleeve 9 which is guided and slidably assembled in the outer sleeve 8, and the outer sleeve 8 and the inner sleeve 9 form two telescopic parts. As shown in fig. 7 and 8, one end of the outer sleeve 8 is provided with an outer sleeve hinge hole 81 to be hinged with the cylinder holder 5; one end of the inner sleeve 9 is provided with an inner sleeve hinge hole 91 to be hinged with the upper hinge lug 72 on the rear door cylinder seat 7, and the rear door cylinder seat 7 is welded and fixed on the rear door 6, so that the rear door cylinder seat 7 can drive the inner sleeve 9 to stretch in the outer sleeve 8 in the process of overturning the rear door 6. In other embodiments, the telescopic assembly may be a guide groove type telescopic assembly, and includes a guide groove and a guide rod slidably fitted in the guide groove, one end of the guide rod is hinged to an upper hinge shaft on the rear door cylinder seat, and one end of the guide groove is hinged to the cylinder support. Of course, in other embodiments, one end of the outer sleeve may be hinged to the upper hinge shaft on the rear door cylinder seat, and one end of the inner sleeve may be hinged to the cylinder support. It should be noted that the telescoping assembly in this embodiment is used to simulate the telescoping process of the rear door drive ram.
In this embodiment, the inner sleeve 9 has a rear door closing position corresponding to the rear door 6 being in the rear door closing position and a rear door opening position corresponding to the rear door 6 being in the rear door opening position during extension and retraction in the outer sleeve 8. Specifically, as shown in fig. 7 and 8, the outer sleeve 8 is provided with an opening positioning hole 82 and a closing positioning hole 83, the inner sleeve 9 is provided with a fixing hole 92, when the rear door 6 is at the rear door closing position, the fixing hole 92 of the inner sleeve 9 is correspondingly communicated with the closing positioning hole 83 to be positioned through the corresponding positioning shaft, at this time, the telescopic assembly is at the rear door closing position, when the rear door 6 is at the rear door opening position, the fixing hole 92 of the inner sleeve 9 is correspondingly communicated with the opening positioning hole 82 to be positioned through the positioning shaft, and at this time, the telescopic assembly is at the rear door opening position. It should be noted that the number of the opening positioning holes 82 and the closing positioning holes 83 is two to ensure the positioning accuracy, in other embodiments, the number of the opening positioning holes and the closing positioning holes may be set to one, and at this time, the positions of the outer sleeve and the inner sleeve are positioned by one positioning hole, and the two sleeves cannot be ensured to be coaxial. In other embodiments, a mark can be set on the inner sleeve to replace the fixing hole, the opening positioning hole and the closing positioning hole on the outer sleeve are not changed, and when the mark is displayed in the opening fixing hole, the back door is turned to the back door opening position; when the mark is displayed at the closed fixing hole, the mark indicates that the rear door is turned to the rear door closed position.
It should be noted that the rear door closing position is a position where the rear door 6 is fully closed, and the rear door opening position is a maximum opening position of the rear door 6.
As shown in fig. 2 and 6, the kitchen garbage truck rear door assembly welding tool further comprises a locking seat 10, the locking seat 10 comprises two parallel plates 102, locking seat positioning holes 103 which run through and extend are respectively formed in the two parallel plates 102, and the locking seat positioning holes 103 are sleeved on the lower hinge shaft to limit the lower hinge shaft; locking seat 10 still includes screw rod 101 and the nut of spiral assembly on screw rod 101, and screw rod 101 and nut constitute threaded connection structure jointly for be used for fixing locking seat 10 on back door hinge joint 3, and then will descend the articulated shaft locking on back door hinge joint 3, will descend the articulated shaft locking in the slot of back door hinge joint 3 through locking seat 10, avoid down the articulated shaft to remove in the slot, accuracy when having guaranteed back door hydro-cylinder seat 7 welding. In other embodiments, if the rear door cylinder block is not a long hole but a circular hinge hole, the locking block is not required to be arranged on the rear door hinge block.
In this embodiment, a positioning plate (not shown) is disposed on the rear side surface of the rear door frame 2, and the thickness of the positioning plate is equal to the set gap size between the rear door 6 and the rear door frame 2 when the rear door 6 is located at the rear door closing position, which is beneficial to ensuring the accuracy of the rear door at the rear door closing position. In other embodiments, a positioning plate may be fixedly disposed on the rear door at a position corresponding to the rear door frame to ensure the accuracy of the closing position of the rear door. In other embodiments, the positioning plates may be replaced with positioning blocks arranged at intervals to ensure the accuracy of the closing position of the rear door.
The invention discloses a specific embodiment of a kitchen waste truck rear door welding method, which comprises the following steps:
as shown in fig. 1, when the back door is welded, the back door hinge seat 3 is firstly placed at a set position on the compartment 1; then, taking the rear door hinge bases 3 as a reference, respectively communicating two rear door hinge base positioning holes 42 of the positioning frame 4 with hinge holes on the two rear door hinge bases 3 to penetrate through corresponding positioning shafts, respectively communicating two oil cylinder support positioning holes 43 of the positioning frame 4 with hinge holes on the two oil cylinder supports 5 to penetrate through corresponding positioning shafts, and further positioning the oil cylinder supports 5 at corresponding set positions on the carriage 1; and spot welding the rear door hinge bases 3 and the oil cylinder supports 5 on the carriage 1, and then taking down the positioning frames 4 from the two rear door hinge bases 3 and the two oil cylinder supports 5.
As shown in fig. 2, the rear door 6 is aligned with the rear door frame 2, and the rear door 6 is tightly attached to the positioning plate of the rear door frame 2, so that the rear door 6 is positioned at the rear door closing position of the compartment 1; the lower hinge shaft is locked at the leftmost end of the long hole in the back door hinge base 3 through the locking base 10; the outer sleeve hinge hole 81 of the outer sleeve 8 is hinged on the cylinder support 5 through a hinge shaft, meanwhile, the telescopic assembly is in a rear door closing position, then the lower hinge lug 71 on the rear door cylinder seat 7 is positioned and hinged on the rear door hinge seat 3 through a lower hinge shaft, and the upper hinge lug 72 of the rear door cylinder seat 7 is hinged on the inner sleeve hinge hole 91 of the inner sleeve 9 through an upper hinge shaft. At this time, the position of the rear door cylinder base 7 is positioned by the telescopic assembly and the rear door hinge base 3, the accuracy of the positions of the upper hinge lug 72 and the lower hinge lug 71 of the rear door cylinder base 7 is ensured, and then the rear door cylinder base 7 and the rear door 6 are fixed together by spot welding.
As shown in fig. 3, the lifting device drives the rear door 6 to turn around the lower hinge shaft to simulate the opening and closing of the rear door 6, the telescopic component is used for stretching and retracting to simulate the stretching and retracting changes of the rear door driving oil cylinder, if the turning process of the rear door 6 is smooth, the rear door hinge base 3 and the oil cylinder support 5 are welded and fixed on the carriage 1, and the rear door oil cylinder base 7 and the rear door 6 are welded and fixed together to complete the welding and matching of the rear door of the kitchen garbage truck. It should be noted that if a gap exists between the rear door cylinder base and the rear door after the rear door cylinder base is positioned, the welding liquid can enter the gap to fill the gap during welding, so that the accuracy of the position of the welded rear door cylinder base and the rear door is ensured; if the rear door oil cylinder seat is positioned and then interfered with the rear door, the lower end surface of the rear door oil cylinder seat needs to be polished to prevent the rear door oil cylinder seat from interfering with the rear door, and the rear door oil cylinder seat and the rear door are welded and fixed after polishing. When the rear door oil cylinder seat and the rear door have machining errors, the accuracy of the position of the welded rear door oil cylinder seat and the welded rear door can be ensured.
Claims (7)
1. The method for welding the rear door of the kitchen garbage truck is characterized by comprising the following steps of:
1) placing the rear door hinge base at a set position on the carriage;
2) taking the back door hinge joint as a reference, positioning the oil cylinder support at a corresponding set position on the carriage, and spot-welding the back door hinge joint and the oil cylinder support on the carriage;
3) positioning a rear door at a position corresponding to the closed position of the rear door of a carriage, hinging one end of a telescopic component for simulating a rear door driving oil cylinder on an oil cylinder support, enabling the telescopic component to be in a rear door closed position corresponding to the rear door at the closed position of the rear door, positioning and hinging a lower hinging lug on a rear door oil cylinder seat on a rear door hinging seat through a lower hinging shaft, hinging an upper hinging lug of the rear door oil cylinder seat on the other end of the telescopic component through an upper hinging shaft, and then fixing the rear door oil cylinder seat and the rear door together by spot welding;
4) the rear door is driven to turn around the lower hinge shaft so as to simulate the opening and closing of the rear door, and the telescopic change of a rear door driving oil cylinder is simulated by utilizing the telescopic change of a telescopic component;
5) if the rear door is smooth in the overturning process, welding and fixing the rear door hinge seat and the oil cylinder support on the carriage, and welding and fixing the rear door oil cylinder seat and the rear door together to complete the welding and matching of the rear door of the kitchen garbage truck;
in the step 2), taking the rear door hinge joint as a reference, enabling a rear door hinge joint positioning hole of the positioning frame to be communicated with a hinge hole on the rear door hinge joint so as to penetrate a corresponding positioning shaft, and enabling an oil cylinder support positioning hole of the positioning frame to be communicated with the hinge hole on the oil cylinder support so as to penetrate the corresponding positioning shaft, so as to position the oil cylinder support at a corresponding set position on the carriage;
in the step 3), after the lower hinge lug of the rear door oil cylinder seat is hinged on the rear door hinge seat through the lower hinge shaft, the locking seat positioning hole of the locking seat is sleeved on the lower hinge shaft, and the locking seat is fixed on the rear door hinge seat through the threaded connection structure so as to lock the lower hinge shaft on the rear door hinge seat, thereby realizing the positioning and assembly of the lower hinge lug of the rear door oil cylinder seat on the rear door hinge seat through the lower hinge shaft;
in the step 3), the rear door and the rear door frame of the compartment are aligned, and the rear door is attached to a positioning plate fixedly arranged on the rear door frame, so that the rear door is positioned at the position corresponding to the closing position of the rear door of the compartment.
2. The method for welding the kitchen waste truck rear door together according to claim 1, wherein in the step 4), the rear door is driven to turn around the lower hinge shaft by a hoisting device.
3. A kitchen garbage truck back door joins in marriage welding frock that is used for the kitchen garbage truck back door join in marriage welding method of claim 1 or 2, its characterized in that includes:
the positioning frame comprises a rear door hinge joint seat positioning hole which is used for being communicated with a hinge hole on the rear door hinge joint seat so as to penetrate through a corresponding positioning shaft, and an oil cylinder support seat positioning hole which is used for being communicated with the hinge hole on the oil cylinder support seat so as to penetrate through the corresponding positioning shaft, so that the position of the oil cylinder support seat is positioned by taking the rear door hinge joint seat as a reference;
and the telescopic assembly comprises two telescopic parts, wherein one telescopic part is hinged with the oil cylinder support, the other telescopic part is hinged with an upper hinge shaft of the rear door oil cylinder seat, and the telescopic assembly is provided with a rear door closing position corresponding to the rear door being in a rear door closing position and a rear door opening position corresponding to the rear door being in a rear door opening position in the telescopic process.
4. The kitchen waste truck rear door assembly welding tool according to claim 3, characterized in that the positioning frame comprises a rectangular frame, the rear door hinge seat positioning holes and the oil cylinder support positioning holes are arranged in pairs, and the rear door hinge seat positioning holes and the oil cylinder support positioning holes which are arranged in pairs are respectively arranged at four corners of the rectangular frame.
5. The kitchen garbage truck back door assembly welding tool according to claim 3 or 4, characterized in that one of the two telescopic parts is an outer sleeve, the other telescopic part is an inner sleeve which is assembled in the outer sleeve in a sliding mode, the outer sleeve is provided with an opening positioning hole and a closing positioning hole, the inner sleeve is provided with a fixing hole, when the back door is located at the back door closing position, the fixing hole of the inner sleeve is correspondingly communicated with the closing positioning hole so as to be positioned through a corresponding positioning shaft in a penetrating mode, at the moment, the telescopic assembly is located at the back door closing position, when the back door is located at the back door opening position, the fixing hole of the inner sleeve is correspondingly communicated with the opening positioning hole so as to be positioned through a positioning shaft in a penetrating mode, and at the moment, the telescopic assembly is located at the back door opening position.
6. The kitchen waste truck rear door assembly welding tool according to claim 3 or 4, characterized in that the kitchen waste truck rear door assembly welding tool further comprises a positioning plate arranged on the rear door, and the thickness of the positioning plate is equal to the set gap size between the rear door and the rear door frame of the carriage when the rear door is in the rear door closing position.
7. The kitchen waste truck rear door assembly welding tool according to claim 3 or 4, further comprising a locking seat, wherein the locking seat comprises a locking seat positioning hole sleeved on the lower hinge shaft and a threaded connection structure used for fixing the locking seat on the rear door hinge seat so as to lock the lower hinge shaft on the rear door hinge seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910927400.XA CN112570948B (en) | 2019-09-27 | 2019-09-27 | Kitchen waste truck rear door assembly welding method and assembly welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910927400.XA CN112570948B (en) | 2019-09-27 | 2019-09-27 | Kitchen waste truck rear door assembly welding method and assembly welding tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112570948A CN112570948A (en) | 2021-03-30 |
| CN112570948B true CN112570948B (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910927400.XA Expired - Fee Related CN112570948B (en) | 2019-09-27 | 2019-09-27 | Kitchen waste truck rear door assembly welding method and assembly welding tool |
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| Country | Link |
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| CN (1) | CN112570948B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3521276A1 (en) * | 1985-06-13 | 1986-12-18 | Säkkiväline Oy, Helsinki-Tampere | Opening and locking arrangement for the rear door in refuse collection vehicles |
| CN201249989Y (en) * | 2008-06-16 | 2009-06-03 | 长治清华机械厂 | Back door locking mechanism of garbage truck carriage |
| JP2011126669A (en) * | 2009-12-18 | 2011-06-30 | Kyokuto Kaihatsu Kogyo Co Ltd | Safety switch mounting structure for garbage collection vehicle |
| CN202729057U (en) * | 2012-06-14 | 2013-02-13 | 长沙佳利汽车有限公司 | Back door locking device of kitchen garbage truck |
| CN204210976U (en) * | 2014-10-28 | 2015-03-18 | 长沙众城机械有限公司 | A kind of back door of garbage truck tooling device |
| CN105171296A (en) * | 2015-07-21 | 2015-12-23 | 广西玉柴专用汽车有限公司 | Rear door frame welding tool with filling device compartment |
| CN109956240A (en) * | 2017-12-26 | 2019-07-02 | 河南森源重工有限公司 | The localization method and positioning tool of sanitation cart lifting lug and sliding slot |
-
2019
- 2019-09-27 CN CN201910927400.XA patent/CN112570948B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3521276A1 (en) * | 1985-06-13 | 1986-12-18 | Säkkiväline Oy, Helsinki-Tampere | Opening and locking arrangement for the rear door in refuse collection vehicles |
| CN201249989Y (en) * | 2008-06-16 | 2009-06-03 | 长治清华机械厂 | Back door locking mechanism of garbage truck carriage |
| JP2011126669A (en) * | 2009-12-18 | 2011-06-30 | Kyokuto Kaihatsu Kogyo Co Ltd | Safety switch mounting structure for garbage collection vehicle |
| CN202729057U (en) * | 2012-06-14 | 2013-02-13 | 长沙佳利汽车有限公司 | Back door locking device of kitchen garbage truck |
| CN204210976U (en) * | 2014-10-28 | 2015-03-18 | 长沙众城机械有限公司 | A kind of back door of garbage truck tooling device |
| CN105171296A (en) * | 2015-07-21 | 2015-12-23 | 广西玉柴专用汽车有限公司 | Rear door frame welding tool with filling device compartment |
| CN109956240A (en) * | 2017-12-26 | 2019-07-02 | 河南森源重工有限公司 | The localization method and positioning tool of sanitation cart lifting lug and sliding slot |
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|---|---|
| CN112570948A (en) | 2021-03-30 |
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