CN108465962B - Tailor-welding tool for hook arm upper assembly and production process thereof - Google Patents
Tailor-welding tool for hook arm upper assembly and production process thereof Download PDFInfo
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- CN108465962B CN108465962B CN201810246906.XA CN201810246906A CN108465962B CN 108465962 B CN108465962 B CN 108465962B CN 201810246906 A CN201810246906 A CN 201810246906A CN 108465962 B CN108465962 B CN 108465962B
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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
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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
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The invention relates to a welding tool for a hook arm upper assembly, which comprises a tool platform, and an L-shaped hook arm total component tool, a roll-over stand total component tool and an auxiliary beam total component tool which are respectively arranged on the tool platform, wherein the L-shaped hook arm total component tool, the roll-over stand total component tool and the auxiliary beam total component tool can quickly position two side plates and ensure the concentricity and the parallelism of a shaft sleeve hole and an oil cylinder hole, the roll-over stand total component tool can quickly position two side frames and ensure the concentricity, the parallelism and the respective relative positions of a middle shaft sleeve and a front shaft sleeve, the auxiliary beam total component tool can quickly position the concentricity and the relative position of two longitudinal beams and a fourth shaft sleeve, so that the L-shaped hook arm assembly and the roll-over stand assembly are overturned up and down stably in balance, the welding deformation can be effectively prevented and lightened, a workpiece is positioned at the best welding position, the formability of a welding seam is good, the process defects are obviously reduced, and, the production efficiency of the tailor-welding procedure is improved, and the production and maintenance cost is reduced.
Description
Technical Field
The invention relates to the technical field of hook arm lathes, in particular to a hook arm upper assembly tailor-welding tool and a production process thereof.
Background
The hook arm upper assembly comprises an L-shaped hook arm assembly L, a roll-over stand assembly N and a secondary beam assembly M. The rear end of the auxiliary beam assembly M and the rear end of the roll-over stand assembly N are movably connected together through a shaft sleeve and a pin shaft to form a rotary shaft center, so that the roll-over stand assembly N can be turned over up and down around the rotary shaft center; the rear end of the L-shaped hook arm assembly L is movably connected with the middle part of the roll-over stand assembly N through a shaft sleeve and a pin shaft to form a rotary shaft center, so that the L-shaped hook arm assembly L can be turned over up and down around the rotary shaft center formed by the L-shaped hook arm assembly L; the piston rod end of the hook arm oil cylinder is movably connected with the middle part of the L-shaped hook arm assembly L through a shaft sleeve and a pin shaft to form a rotary shaft center, and the cylinder head end of the hook arm oil cylinder is movably connected with the front end of the auxiliary beam assembly M through the shaft sleeve and the pin shaft to form the rotary shaft center; and an oil cylinder driven conversion mechanism is arranged between the rear part of the L-shaped hook arm assembly L and the middle part of the roll-over stand assembly N, so that the L-shaped hook arm assembly L and the roll-over stand assembly N can be driven by a hydraulic oil cylinder to be locked and loosened, and then independent or synchronous roll-over is realized.
In the hook arm assembling and assembling process, especially the L-shaped hook arm assembly L, the roll-over stand assembly N, the auxiliary beam assembly M and other parts are marked by means of manual assembling in the conventional welding process, the assembling difficulty is high, the assembling and assembling time of 1 set of hook arms is 32 hours, the assembling time is long, the assembling and welding production efficiency is low, and the assembling and welding production becomes a bottleneck link of production. The welding level is different, the standard is difficult to unify, the size precision and the form and position tolerance are easy to be out of tolerance, and the appearance is influenced. The accurate requirements of the coaxiality and the parallelism among all parts cannot be guaranteed, the interchangeability of the parts is poor, and the assembling quality is influenced. Before not making the frock, the arm facial make-up that colludes after the part equipment is at the upset in-process atress inequality, and part and hydraulic cylinder are fragile, influence whole car operation, also appear some parts damage and will pull back the producer and change the part (singly join in marriage), increase cost of maintenance, also be convenient for after sales service maintenance work.
Disclosure of Invention
In order to overcome the technical defects in the prior art, the invention provides a tailor-welding tool for a hook arm upper assembly and a production process thereof.
The technical solution adopted by the invention is as follows:
collude arm facial make-up assembly and tailor-welding frock, including the frock platform and set up L type on the frock platform respectively and collude arm total composition frock, roll-over stand total composition frock and vice roof beam total composition frock.
Preferably, the L-shaped hook arm total composition tool comprises a cross arm fixing mechanism and a longitudinal arm fixing mechanism, the cross arm fixing mechanism forms two side plate positioning areas which are respectively arranged along the front and back extension of the tool platform, and a shaft sleeve positioning area, a connecting rod positioning area and an oil cylinder positioning area which are arranged at intervals in the front and back and respectively transversely between the two side plate positioning areas, and the longitudinal arm fixing mechanism is vertically connected with the rear end of the cross arm fixing mechanism and forms a longitudinal arm positioning area.
Preferably, the cross arm fixing mechanism comprises a first shaft sleeve positioning group, an oil cylinder positioning group, a connecting rod positioning group, a side plate reference front group, a side plate reference middle group and a side plate reference rear group which are sequentially arranged in the front-rear direction of the tool platform, the side plate reference front group, the side plate reference middle group and the side plate reference rear group are constructed to form the side plate positioning area, the first shaft sleeve positioning group is fixedly arranged on the tool platform in front of the side plate reference front group to form the shaft sleeve positioning area, the oil cylinder positioning group is fixedly arranged on the tool platform between the side plate reference front group and the side plate reference middle group to form the oil cylinder positioning area, the connecting rod positioning group is fixedly arranged on the tool platform between the side plate reference front group and the oil cylinder positioning group to form the connecting rod positioning area, and the side plate reference rear group is connected with the longitudinal arm fixing mechanism.
Preferably, the side plate reference front group comprises reference front plates which are symmetrically and fixedly arranged on the tool platform from left to right and two first inner plates which are symmetrically and fixedly arranged between the two reference front plates, and a square space between each first inner plate and the reference front plate on the same side is a part A of the side plate positioning area;
the side plate reference middle group comprises reference middle plates which are symmetrically fixed on the tool platform in a left-right mode and a first base plate which is horizontally fixed between the two reference middle plates;
the curb plate benchmark back group sets firmly the benchmark back plate and the level on the frock platform including bilateral symmetry and sets firmly the second backing plate between two benchmark back plates, second backing plate top surface and first backing plate top surface are on same horizontal plane, just second backing plate top surface symmetry has set firmly two second inner panels, and the space between the benchmark back plate of each second inner panel and homonymy is the B part in curb plate positioning area, leave the interval between second inner panel rear end and the second backing plate rear end.
Preferably, the first shaft sleeve positioning group comprises first shaft sleeve positioning seats which are bilaterally symmetrically and fixedly arranged on the tool platform and first positioning shafts which horizontally penetrate through positioning holes in the two first shaft sleeve positioning seats, and the first shaft sleeve positioning seats are fixedly arranged on the tool platform outside the outer side line of the side plate positioning area on the same side;
the oil cylinder positioning group comprises oil cylinder positioning seats which are bilaterally symmetrically and fixedly arranged on the tool platform and oil cylinder positioning shafts which horizontally penetrate through positioning holes in the two oil cylinder positioning seats;
the connecting rod positioning group comprises two positioning plates which are arranged in bilateral symmetry, and the front end and the rear end of each positioning plate are fixedly connected between the oil cylinder positioning seat and the reference front plate on the same side.
Preferably, the roll-over stand total component tooling comprises a side frame positioning group, a second shaft sleeve positioning group, a first steel pipe positioning group, a second steel pipe positioning group, a reinforcing plate positioning group, a carriage hook positioning group and a third shaft sleeve positioning group, the side frame positioning group comprises a base plate front group, a reference middle group and a positioning rear group which are sequentially arranged along the front and rear directions of the tooling platform, the second shaft sleeve positioning group is positioned on the tooling platform between the reference middle group and the positioning rear group, the third shaft sleeve positioning group is positioned on the tooling platform in front of the backing plate front group, the second steel pipe positioning group is positioned on the tool platform between the front group of the base plate and the reference middle group, the first steel pipe positioning group is arranged on the tool platform within the front group of the base plate, the reinforcing plate positioning group is arranged on the tool platform outside the base plate front group, and the carriage hook positioning group is arranged on the tool platform outside the reinforcing plate positioning group.
Preferably, the group sets up the third backing plate on the frock platform including two bilateral symmetry before the backing plate, first steel pipe location group includes that two bilateral symmetry set up on the frock platform and the top has the first backup pad of semicircle groove, second steel pipe location group includes that two bilateral symmetry set up on the frock platform and the top has the second backup pad of semicircle groove, reinforcing plate location group includes that two bilateral symmetry set up the fourth backing plate on the frock platform, carriage hook location group includes that two bilateral symmetry set up the carriage hook positioning seat on the frock platform, the left and right sides of third backing plate is laminated mutually with the fourth backing plate and the first backup pad of homonymy respectively and the protrusion height of the relative frock platform of third backing plate is less than the protrusion height of the relative frock platform of fourth backing plate and first backup pad respectively.
Preferably, the second shaft sleeve positioning group comprises second shaft sleeve positioning seats which are bilaterally symmetrically and fixedly arranged on the tool platform and second positioning shafts which are horizontally arranged in the positioning holes in the two second shaft sleeve positioning seats in a penetrating manner, and the third shaft sleeve positioning group comprises third shaft sleeve positioning seats which are bilaterally symmetrically and fixedly arranged on the tool platform and third positioning shafts which are horizontally arranged in the positioning holes in the two third shaft sleeve positioning seats in a penetrating manner.
Preferably, the secondary beam total composition tool comprises a longitudinal beam positioning group, a front beam positioning group, a middle beam positioning group, a fourth shaft sleeve positioning group, a cylinder lug plate positioning group, a channel steel positioning group, a rectangular tube positioning group, two support plate positioning groups and three support seat positioning groups, wherein the longitudinal beam positioning group forms two longitudinal beam positioning regions which linearly extend along the front and rear directions of the tool platform respectively, the support plate positioning group and the support seat positioning groups are arranged close to the outer edge lines of the longitudinal beam positioning regions respectively, the front beam positioning group is fixedly arranged at the front end of the tool platform, the fourth shaft sleeve positioning group is arranged outside the front end of the longitudinal beam positioning region, the middle beam positioning group is fixedly arranged on the tool platform within the middle parts of the two longitudinal beam positioning regions, the rectangular tube positioning group is fixedly arranged on the tool platform within the rear ends of the two longitudinal beam positioning regions, the cylinder lug plate positioning group is fixedly arranged on the tool platform within the two longitudinal beam positioning regions and in front of the rectangular tube positioning group, the channel steel positioning group is fixedly arranged in two longitudinal beam positioning areas and on a tool platform between the rectangular tube positioning group and the oil cylinder lug plate positioning group, and the longitudinal beam positioning group comprises a sixth base plate shared by the channel steel positioning group and a fifth base plate shared by the rear front cross beam positioning group.
The invention also discloses a production process of the hook arm upper assembly, which comprises the steps of tailor welding of the L-shaped hook arm assembly, tailor welding of the roll-over stand assembly, tailor welding of the auxiliary beam assembly, assembling of the roll-over stand assembly and movably connecting the roll-over stand assembly to the auxiliary beam assembly through a pin shaft, and assembling of the L-shaped hook arm assembly and movably connecting the L-shaped hook arm assembly to the roll-over stand assembly through a pin shaft, wherein the tailor welding of the L-shaped hook arm assembly, the tailor welding of the roll-over stand assembly and the tailor welding of the auxiliary beam assembly respectively comprise the steps of part processing and forming, part positioning on a tool, spot welding, full welding, correcting, rough machining and finish machining, the parts of the L-shaped hook arm assembly are positioned on the L-shaped hook arm assembly sub-tool, the parts of the roll-over stand assembly are positioned on the roll-over stand assembly sub-tool, and the parts of the auxiliary beam assembly are positioned on the auxiliary beam assembly sub-tool.
The invention has the beneficial effects that:
according to the invention, the cross arm fixing mechanism is arranged on the tooling platform to position and weld the side plates of the cross arm, the shaft sleeve, the oil cylinder seat and the connecting rod on the side plates, so that the two side plates can be quickly positioned, the concentricity and the parallelism of a shaft sleeve hole and an oil cylinder hole can be ensured, and the protruding lengths of the side plates at two ends of the connecting rod on opposite sides can be conveniently confirmed; and set up the trailing arm fixed establishment and come to fix a position the rewelding to the four bounding walls of trailing arm and hook piece on work platform, can fix a position each bounding wall fast and guarantee hook piece relative four bounding wall mounting height and mounted position.
In the positioning process, the side frames are respectively placed in the side frame positioning areas, and the rear ends of the side frames are clamped in the positioning clamping grooves of the positioning rear group, so that the flat position of the side frames is determined, and the relative positions of the middle shaft sleeve, the front end shaft sleeve, the first steel pipe and the second steel pipe which are connected with the side frames can be determined; the concentricity of the middle shaft sleeve and the projecting position of the opposite side frame can be positioned by the second shaft sleeve positioning group, the concentricity of the front end shaft sleeve and the left and right positions of the opposite side frame can be positioned by the third shaft sleeve positioning group, and the parallelism between the middle shaft sleeve and the front end shaft sleeve is ensured; the first steel pipe positioning group and the second steel pipe positioning group are used for respectively positioning the front and rear positions of the first steel pipe and the second steel pipe relative to the side frames, and the concentricity of the carriage hook and the welding position on the reinforcing plate can be positioned through the carriage hook positioning group;
according to the invention, the horizontal positions of the front cross beam and the longitudinal beam can be positioned through the front cross beam positioning group and the longitudinal beam positioning area, so that the position accuracy of components such as a middle cross beam, channel steel and the like connected with the longitudinal beam can be ensured, and the concentricity of the fourth shaft sleeve and the left and right positions relative to the longitudinal beam can be positioned through the fourth shaft sleeve positioning group.
The tailor-welding tool can ensure that the L-shaped hook arm assembly and the roll-over stand assembly are balanced and stable in the roll-over process, improve the precision of parts, effectively prevent and reduce welding deformation, enable workpieces to be positioned at the optimal welding position, have good weld formability, obviously reduce process defects, have uniform carriage stress, prolong the service lives of components and hydraulic cylinders and reduce production cost.
By using the splicing tool, the working time for manufacturing the 1 set of hook arm upper assembly is 3 hours, the working time for manufacturing the 1 set of hook arm upper assembly is 32 hours before the tool is used, the working time is saved by 29 hours, 870 yuan of labor cost can be saved by manufacturing the 1 set of hook arm upper assembly according to 30 yuan of manual wage calculation per hour, the production efficiency is greatly improved,
by putting the splicing tool into use, the interchangeability of the components is improved, and when a user finds that the components are damaged in the using process, after-sales service personnel can quickly go to the site for replacement, so that the after-sales service is facilitated, and the maintenance service cost is greatly reduced.
Drawings
Fig. 1 is a perspective view of a hook arm upper assembly.
FIG. 2 is a top view of the hook arm mounting assembly.
Fig. 3 is a schematic structural view of an L-shaped hook arm assembly.
Fig. 4 is a schematic structural view of the roll-over stand assembly.
Fig. 5 is a schematic structural view of the secondary beam assembly.
FIG. 6 is a simplified diagram of the tailor-welded tooling for the hook arm upper assembly of the present invention.
FIG. 7 is a top view of the L-shaped hook arm assembly of the present invention.
FIG. 8 is a side view of the L-shaped hook arm assembly of the present invention.
Fig. 9 is a front view of a trailing arm fixing mechanism of the L-shaped hook arm overall component tooling of the invention.
FIG. 10 is a top view of the overall assembly tooling of the roll-over stand of the present invention.
FIG. 11 is a side view of the overall assembly tooling of the roll-over stand of the present invention.
FIG. 12 is a top view of the secondary beam assembly tooling of the present invention.
FIG. 13 is a side view of the secondary beam assembly tooling of the present invention.
Description of reference numerals:
model L, L hook arm assembly; m, a roll-over stand assembly; n, a secondary beam assembly; l0, first axis; m0, third axis; n0, second axis; l1, side panels; l2, shaft sleeve; l3, cylinder block; l4, connecting rod; l5, hook block; n1, sideframe; n2, a first steel pipe; n3, a second steel pipe; n4, a middle shaft sleeve; n5, a front end shaft sleeve; n6, a reinforcing plate; n7, a carriage hook; m1, longitudinal beams; m2, middle beam; m3, front beam; m4, a rectangular tube; m5, channel steel; m6, a fourth shaft sleeve; m7, support plate; m8, a supporting seat; m9, oil cylinder ear plates;
100. a tooling platform; 200. an L-shaped hook arm total component tool; 201. a side plate positioning area; 202. a shaft sleeve positioning area; 203. an oil cylinder positioning area; 204. a side plate reference front group; 205. a side plate reference middle group; 20. positioning a plate; 21. a reference front plate; 22. a reference middle plate; 23. a reference back plate; 24. a first inner panel; 25. a second inner panel; 26. a first backing plate; 27. a second backing plate; 28. a first shaft sleeve positioning seat; 29. an oil cylinder positioning seat; 11. a vertical plate; 12. a reference bar; 13. a process plate; 14. a reference convex surface;
300. a roll-over stand total composition tool; 301. a side frame positioning zone; 302. a second bushing locating area; 303. a third bushing locating area; 304. a first steel tube positioning area; 305. a second steel tube positioning area; 31. a third base plate; 32. a reference middle group; 33. positioning the rear group; 34. a first support plate; 35. a second support plate; 36. a fourth base plate; 37. a carriage hook positioning seat; 38. a second shaft sleeve positioning seat; 39. a third shaft sleeve positioning seat;
400. a secondary beam total component tool; 401. a stringer positioning region; 402. a middle cross beam positioning group; 403. a rectangular tube positioning group; 41. a fifth backing plate; 42. a sixth backing plate; 43. a front beam reference group; 44. a fourth shaft sleeve positioning seat; 45. a fourth positioning shaft; 46. an ear plate positioning seat; 47. a support plate positioning group; 48. a supporting seat positioning set; 49. and a longitudinal beam reference group.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1-5, the hook arm upper assembly includes an L-shaped hook arm assembly L, a roll-over stand assembly N and a secondary beam assembly M.
The L-shaped hook arm assembly L comprises a transverse arm and a longitudinal arm which are vertically connected, the transverse arm comprises two oppositely arranged side plates L1, a panel, a shaft sleeve L2 welded to the position of a shaft sleeve hole on the side plate L1, an oil cylinder seat L3 welded to the position of an oil cylinder hole on the side plate L1, and a connecting rod L4 welded to the position of a connecting rod hole on the side plate L1 and protruding to two sides, the longitudinal arm comprises four enclosing plates in a front-back and left-right mode and a hook block L5 inserted in the center of a top inserting opening defined by the four enclosing plates, and the bottom ends of the four enclosing plates are respectively welded with the panel.
Roll-over stand assembly N includes two side bearer N1 and the first steel pipe N2 and the second steel pipe N3 of interval and connection respectively between two side bearer N1 of relative setting, the middle part of side bearer N1 is equipped with middle part axle sleeve N4 with L type shaft sleeve L2 matched with of colluding arm assembly L, and reinforcing plate N6, carriage hook N7 and front end axle sleeve N5 have still been welded respectively to each side bearer N1 anterior.
The auxiliary beam assembly M comprises two oppositely arranged longitudinal beams M1, a middle cross beam M2, a front cross beam M3, a rectangular tube M4 and a channel steel M5, wherein the middle cross beam M2 is used for connecting the two longitudinal beams M1, the outer side of each longitudinal beam M1 is further provided with three supporting seats M8 and two supporting plates M7, the position of the front cross beam M3 is further connected with a fourth shaft sleeve M6 matched with a front end shaft sleeve N5, and an oil cylinder lug plate M9 is welded on the channel steel M5.
As shown in fig. 6 to 13, the present embodiment provides a hook arm assembly welding tool for welding and assembling the above assemblies into a hook arm assembly, where the welding tool includes a tool platform 100, and an L-shaped hook arm total component tool 200, a roll-over stand total component tool 300, and a secondary beam total component tool 400 respectively disposed on the tool platform 100. Preferably, the auxiliary beam total component tool 400 is centered, the L-shaped hook arm total component tool 200 and the roll-over stand total component tool 300 are respectively arranged on the left side and the right side of the auxiliary beam total component tool 400, the roll-over stand assembly N is movably connected to the auxiliary beam assembly M through a pin shaft after the split welding of each sub-tool is completed, and the L-shaped hook arm assembly L is movably connected to the roll-over stand assembly N through a pin shaft, so that the carrying distance of the L-shaped hook arm assembly L, the roll-over stand assembly N and the auxiliary beam assembly M in the assembling process can be reduced, the labor intensity is reduced, and the efficiency is improved.
For convenience of description of the positional relationship of the components in each sub-assembly, the central line of the L-shaped hook arm total composition tooling 200 extending in the front-rear direction is defined as a first axis L0, the central line of the roll stand total composition tooling 300 extending in the front-rear direction is defined as a second axis N0, the central line of the sub-beam total composition tooling 400 extending in the front-rear direction is defined as a third axis M0, and the hinge side of the roll stand assembly N and the sub-beam assembly M is defined as the forward direction.
In this embodiment, the L-shaped hook arm total composition tool 200 includes a transverse arm fixing mechanism and a longitudinal arm fixing mechanism, the transverse arm fixing mechanism forms two side plate positioning areas 201 respectively extending along the front and the back of the tool platform 100, and a shaft sleeve positioning area 202, a connecting rod positioning area and a cylinder positioning area 203 which are spaced from each other in the front and the back and respectively transversely arranged between the two side plate positioning areas 201, and the side plate positioning areas 201 are parallel to the first axis L0.
The cross arm fixing mechanism comprises a first shaft sleeve positioning group, an oil cylinder positioning group, a connecting rod positioning group, a side plate reference front group 204, a side plate reference middle group 205 and a side plate reference rear group which are sequentially arranged in the front-rear direction of the tooling platform 100, the side plate reference front group 204, the side plate reference middle group 205 and the side plate reference rear group are constructed to form a side plate positioning area 201, the first shaft sleeve positioning group is fixedly arranged on the tooling platform 100 in front of the side plate reference front group 204 to form the shaft sleeve positioning area 202, the oil cylinder positioning group is fixedly arranged on the tooling platform 100 between the side plate reference front group 204 and the side plate reference middle group 205 to form the oil cylinder positioning area 203, and the connecting rod positioning group is fixedly arranged on the tooling platform 100 between the side plate reference front group 204 and the oil cylinder positioning group to form the connecting rod positioning area.
The side plate reference front group 204 includes reference front plates 21 symmetrically fixed on the tooling platform 100 in left-right direction with respect to the first axis L0, and two first inner plates 24 symmetrically fixed between the two reference front plates 21 with respect to the first axis L0, and a square space between each first inner plate 24 and the reference front plate 21 on the same side is a part a of the side plate positioning area 201. The side plate reference middle group 205 comprises reference middle plates 22 which are bilaterally symmetrically fixed on the tooling platform 100 relative to a first axis L0 and a first base plate 26 which is horizontally fixed between the two reference middle plates 22, and the placing height of the middle part of the side plate is raised relative to the front end of the side plate through the first base plate 26. The curb plate benchmark back group sets firmly benchmark back plate 23 and the level between two benchmark back plates 23 including relative first axis L0 bilateral symmetry on frock platform 100 and sets firmly the second backing plate 27 between two benchmark back plates 23, second backing plate 27 top surface and first backing plate 26 top surface are on same horizontal plane, just second backing plate 27 top surface symmetry has set firmly two second inner panels 25, and the space between the benchmark back plate 23 of each second inner panel 25 and homonymy is the B part of curb plate locating area 201, leave the interval between second inner panel 25 rear end and the second backing plate 27 rear end and insert the location usefulness with the back panel that supplies the longitudinal wall.
The part a of each side plate positioning area 201 and the part B of the same side plate positioning area 201 are on the same front-back straight line extension line of the tooling platform 100, the reference surface of the same reference front plate 21, the reference surface of the reference middle plate 22 and the reference surface of the reference back plate 23 are on the same plane to construct an outer edge line of the side plate positioning area 201, the reference surface of the same first inner plate 24 and the reference surface of the same second inner plate 25 are on the same plane to construct an inner edge line of the side plate positioning area 201, and the shaft sleeve positioning area 202, the connecting rod positioning area and the cylinder positioning area 203 are spaced front and back and respectively transversely arranged between the two side plate positioning areas 201. When the side plate L1 is positioned and installed, the bottom edge of the side plate L1 is supported on the top surface of the first base plate 26 and the top surface of the second base plate 27 and is lifted relative to the front end of the side plate L1, and the side plate L1 is kept to be attached to the reference front plate 21, the reference middle plate 22 and the reference rear plate 23 on the same side through the first inner plate 24 and the second inner plate 25, so that the position of each side plate L1 in the side plate positioning area 201 on the corresponding side is fixed, and welding is facilitated.
In this embodiment, the first bushing positioning group includes first bushing positioning seats 28 that are bilaterally symmetrically fixed to the tooling platform 100 with respect to the first axis L0, and first positioning shafts horizontally penetrating through positioning holes of the two first bushing positioning seats 28, the first bushing positioning seats 28 are fixed to the tooling platform 100 outside the outer edge lines of the side plate positioning areas 201 on the same side, and specifically, the distance between the first bushing positioning seats 28 and the outer edge lines of the side plate positioning areas 201 is equal to the length of the shaft sleeve L2 protruding outwards with respect to the side plate L1. The mounting height of the first positioning shaft is matched with the shaft sleeve holes in the side plates L1 so as to ensure the concentricity of the shaft sleeve holes in the two side plates L1. When the shaft sleeve L2 is positioned and mounted, two lead-free bearings are needed, assuming that the hole diameters of the two side plates L1 are 65mm, the outer diameter of the shaft sleeve L2 is equivalent to the hole diameter of the side plate L1, the diameters of the two side holes of the shaft sleeve L2 are 44mm, the diameter of the middle hole is 42mm, the diameter of the first positioning shaft is 40mm, the inner diameter of the lead-free bearing is equivalent to the diameter of the first positioning shaft, the outer diameter of the lead-free bearing is equivalent to the diameter of the two side holes of the shaft sleeve L2, and the positioning hole of the first shaft sleeve positioning seat 28 is equivalent to the diameter of the first positioning shaft, so that the concentricity of the shaft sleeve L2 is guaranteed by interference fit of the lead-free bearings in the side hole of the shaft sleeve L2 (the first positioning shaft can be punched out after positioning welding to leave a hollow part for subsequent pin insertion), and the cross arm can be turned over around the pin insertion in the shaft sleeve L2 after.
The cylinder positioning set comprises cylinder positioning seats 29 which are bilaterally symmetrically fixed on the tool platform 100 relative to a first axis L0 and cylinder positioning shafts horizontally penetrating through the positioning holes in the two cylinder positioning seats 29, the mounting heights of the cylinder positioning shafts are matched with cylinder holes in the side plates L1 and are arranged in parallel with the first positioning shafts, the concentricity of the cylinder holes in the two side plates L1 can be ensured through the cylinder positioning shafts, and the parallelism of the cylinder holes relative to a shaft sleeve hole can be ensured through the cylinder positioning shafts, so that the phenomena of unbalance and uneven stress when the hydraulic cylinder drives the L-shaped hook arm assembly L to overturn up and down are avoided.
The connecting rod positioning group comprises two positioning plates 20 which are arranged in bilateral symmetry relative to a first axis L0, the front end and the rear end of each positioning plate 20 are fixedly connected between the oil cylinder positioning seat 29 and the reference front plate 21 on the same side respectively, and the length of the two ends of the connecting rod L4 which protrude relative to the side plate L1 on the same side is determined through the two positioning plates 20, so that when the roll-over stand assembly N is linked with the L-shaped hook arm assembly L, the connecting rod L4 of the L-shaped hook arm assembly L is stably matched with the side frame N1 on the roll-over stand assembly N and firmly and stably matched with a linkage mechanism, and the matching position of the connecting rod L4 and the linkage mechanism is controlled conveniently.
The longitudinal arm fixing mechanism is vertically connected with a side plate reference rear group of the transverse arm fixing mechanism and forms a longitudinal arm positioning area, the longitudinal arm fixing mechanism comprises a vertical plate 11, a reference rod 12 and two process plates 13, the vertical plate 11 is vertically and fixedly arranged on the tooling platform 100 and is attached to the rear end face of the second base plate 27, a reference convex surface 14 is arranged on the front end face of the vertical plate 11 to match with a left enclosing plate, a right enclosing plate and a rear enclosing plate for fixing the longitudinal arm, the reference rod 12 is vertically and fixedly arranged on one side of the center line of the vertical plate 11 to match with the installation positions of the positioning hook block relative to the four enclosing plates, the two process plates 13 are respectively and vertically and convexly arranged forward relative to the top of the front end face of the vertical plate 11, and the respective top surfaces of the two process plates are on the same horizontal plane to determine the installation height of the hook block L5.
In this embodiment, the roll-over stand total composition tooling 300 includes a side frame positioning group, a second shaft sleeve positioning group, a first steel pipe positioning group, a second steel pipe positioning group, a reinforcing plate positioning group, a carriage hook positioning group and a third shaft sleeve positioning group, the side frame positioning group includes a pad front group, a reference middle group 32 and a positioning rear group 33 which are sequentially arranged along the front and rear direction of the tooling platform 100, the pad front group, the reference middle group 32 and the positioning rear group 33 on the same side jointly construct and form a side frame positioning area 301 for positioning a side frame N1 of the roll-over stand assembly N, the second shaft sleeve positioning group is located on the tooling platform 100 between the reference middle group 32 and the positioning rear group 33 to construct and form a second shaft sleeve positioning area 302 vertically connected with the side frame positioning area 301, the third shaft sleeve positioning group is located on the tooling platform 100 in front of the pad front group to construct and form a third shaft sleeve positioning area 303 vertically connected with the side frame positioning area 301, second steel pipe location group is arranged in the tie plate front group and the benchmark on frock platform 100 between group 32 in order to establish the second steel pipe location district 305 that forms and side bearer location district 301 vertical phase to meet, first steel pipe location group is established on frock platform 100 within the tie plate front group in order to establish the first steel pipe location district 304 that forms and side bearer location district 301 vertical phase to meet, the reinforcing plate location group is established on frock platform 100 outside the tie plate front group in order to make things convenient for each reinforcing plate N6 fixed position welding on side bearer N1, carriage hook location group is established on frock platform 100 outside the reinforcing plate location group in order to make things convenient for each carriage hook N7 fixed position welding on homonymy reinforcing plate N6.
Set includes that two relative second axis N0 bilateral symmetry set up the third backing plate 31 on tool platform 100 before the backing plate, first steel pipe location group includes that two relative second axis N0 bilateral symmetry set up on tool platform 100 and the top has the first backup pad 34 of semicircle groove, second steel pipe location group includes that two relative second axis N0 bilateral symmetry set up on tool platform 100 and the top has the second backup pad 35 of semicircle groove, reinforcing plate location group includes that two relative second axis N0 bilateral symmetry set up the fourth backing plate 36 on tool platform 100, carriage hook location group includes that two relative second axis N0 bilateral symmetry set up the carriage hook positioning seat 37 on tool platform 100, the left and right sides of third backing plate 31 laminates mutually with the fourth backing plate 36 and the first backup pad 34 of homonymy respectively and the bulge height of the relative tool platform 100 of third backing plate 31 is less than fourth backing plate 36 and first backup pad 34 respectively relatively The projected height of the mounting platform 100. The positioning rear group 33 is provided with positioning clamping grooves matched with the rear ends of the side frames, when the side frames are positioned and installed, the side frames are horizontally placed in the side frame positioning areas 301, the rear ends of the side frames are clamped into the positioning clamping grooves in the positioning rear group 33, and therefore the relative positions of the side frames N1 at preset positions and other parts of the roll-over stand assembly N are determined.
Second shaft sleeve location group sets firmly the second location axle in the locating hole on two second shaft sleeve locating seats 38 including relative second axis N0 bilateral symmetry and the level wears to establish two second shaft sleeve locating seats 38, the axle sleeve hole at the installation height matching side bearer N1 middle part of second location axle, the equal distance (preferably 20 mm) of second axis N0 translation indentation of the side bearer locating zone 301 inner edge of the relative homonymy of second shaft sleeve locating seat 38, make the medial extremity of middle part axle sleeve N4 paste and lean on second shaft sleeve locating seat 38 and confirm the protruding position of the relative side bearer N1 of middle part axle sleeve N4 when location middle part axle sleeve N4. The third shaft sleeve positioning group comprises third shaft sleeve positioning seats 39 which are bilaterally symmetrically fixed on the tooling platform 100 relative to a second axis N0 and third positioning shafts horizontally penetrating through positioning holes in the two third shaft sleeve positioning seats 39, the mounting height of each third positioning shaft is matched with the mounting position of a front end shaft sleeve N5 on the front end of a side frame N1, the outer side end of the front end shaft sleeve N5 is attached to the third shaft sleeve positioning seat 39 to determine the protruding position of the front end shaft sleeve N5 relative to a side frame N1 when the front end shaft sleeve N5 is positioned, a lead-free bearing needs to be pre-installed in a side hole in the front end shaft sleeve N5 when the front end shaft sleeve N5 is positioned, the concentricity of the front end shaft sleeve N5 is ensured by the lead-free bearing, and the principle is the same as the positioning of a shaft sleeve L2 of an.
In this embodiment, the sub-beam total composition tool 400 includes a longitudinal beam positioning group, a front cross beam positioning group, a middle cross beam positioning group 402, a fourth shaft sleeve positioning group, a cylinder lug plate positioning group, a channel steel positioning group, a rectangular tube positioning group 403, two support plate positioning groups 47 and three support seat positioning groups 48, the longitudinal beam positioning group forms two longitudinal beam positioning areas 401 extending linearly along the front and rear directions of the tool platform 100, the support plate positioning groups 47 and the support seat positioning groups 48 are respectively arranged near the outer edge lines of the longitudinal beam positioning areas 401 and are respectively used for positioning and welding a support plate M7 and a support seat M8 on the sub-beam assembly M, the longitudinal beam positioning group includes a longitudinal beam reference group 49 and a fifth backing plate 41 and a sixth backing plate 42 with equal heights, the longitudinal beam reference group 49 is located between the fifth backing plate 41 and the sixth backing plate 42 on the same side, the longitudinal beam M1 is lifted and kept horizontal relative to the tool platform 100 by the fifth backing plate 41 and the sixth backing plate 42, thereby facilitating welding of the middle cross beam M2, the oil cylinder lug plate M9 and other parts.
The front cross beam positioning group is fixedly arranged at the front end of the tooling platform 100 and comprises a fifth base plate 41 shared with the longitudinal beam positioning group and a front beam reference group 43 fixedly arranged on the front side of the fifth base plate 41 and used for ensuring that the front cross beam M3 is vertically arranged relative to the longitudinal beam M1. The fourth shaft sleeve positioning group is arranged outside the front end of the longitudinal beam positioning area 401 and comprises two fourth shaft sleeve positioning seats 44 which are bilaterally symmetrically fixed on the tooling platform 100 relative to a third axis M0 and a fourth positioning shaft 45 horizontally penetrating through the positioning holes in the two fourth shaft sleeve positioning seats 44, the mounting height of the fourth positioning shaft 45 is matched with the shaft sleeve hole in the longitudinal beam M1 and is vertically arranged with the longitudinal beam positioning area 401, the fourth positioning shaft 45 is arranged right above the top surfaces of the two fifth backing plates 41, the concentricity of the shaft sleeve holes in the two longitudinal beams M1 can be ensured through the fourth positioning shaft 45, the parallelism of the shaft sleeve holes in the L-shaped hook arm assembly L can be ensured, and the phenomena of imbalance and uneven stress can be avoided when the L-shaped hook arm assembly L and the roll-over carriage assembly N are driven by a hydraulic oil cylinder to turn over up and down.
The middle cross beam positioning group 402 is fixedly arranged on the tool platform 100 within the middle of the two longitudinal beam positioning areas 401, and comprises two middle beam reference groups used for ensuring that the middle cross beam M2 is vertically arranged relative to the longitudinal beam M1, and meanwhile, the outer side face of each middle beam reference group can be used as a stop block reference face for positioning a stop block on the middle cross beam M2, so that the position of the stop block can be determined conveniently.
The rectangular tube positioning group 403 is fixedly arranged on the tool platform 100 within the rear ends of the two longitudinal beam positioning areas 401, and comprises a seventh base plate and rectangular tube reference plates, wherein the seventh base plate is fixedly arranged on the tool platform 100 in a left-right side-by-side mode, the rectangular tube reference plates are perpendicular to the longitudinal beam positioning areas 401, and therefore the rectangular tube M4 and the longitudinal beam M1 are guaranteed to be perpendicular to each other. The top surface of the seventh pad is on the same level as the top surface of the fifth pad 41.
Hydro-cylinder otic placode location group sets firmly within two longeron locating areas 401 and on frock platform 100 in quarter bend location group 403 the place ahead, and it includes that two relative third axis MO bilateral symmetry set firmly the otic placode positioning seat 46 on frock platform 100 and the level sets up the fifth location axle in the constant head tank on two otic placode positioning seats 46, the mounting hole on the mounting height matching hydro-cylinder otic placode M9 of fifth location axle, the channel-section steel reference surface that is used for fixing a position channel-section steel M5 is established to two otic placode positioning seat 46's trailing flank, guarantees the concentricity and the depth of the mounting hole on two hydro-cylinder otic placodes M9 through hydro-cylinder otic placode location group. Channel-section steel location group sets firmly in two longeron locating areas 401 and on tooling platform 100 between rectangular pipe location group 403 and hydro-cylinder otic placode location group, it includes with the sharing of longeron location group sixth backing plate 42 and with the sharing of hydro-cylinder otic placode location group otic placode positioning seat 46 can guarantee channel-section steel M5 level setting and perpendicular mutually with longeron M1 through the channel-section steel location group, guarantees the depth of parallelism of the mounting hole on the hydro-cylinder otic placode M9 then.
The embodiment also further discloses a production process of the hook arm upper assembly, which comprises the steps of tailor welding the L-shaped hook arm assembly L, tailor welding the roll-over stand assembly N, tailor welding the auxiliary beam assembly M, assembling the roll-over stand assembly N on the auxiliary beam assembly M through a pin shaft, assembling the L-shaped hook arm assembly L on the roll-over stand assembly N through a pin shaft, wherein the tailor welding of the L-shaped hook arm assembly L, the tailor welding of the roll-over stand assembly N and the tailor welding of the auxiliary beam assembly M respectively comprise the steps of part processing and forming, part positioning on a tool and spot welding, all welding, correcting, rough machining and finish machining, the positioning of the parts of the L-shaped hook arm assembly L is completed on the L-shaped hook arm assembly tooling 200, the positioning of the parts of the roll-over stand assembly N is completed on the roll-over stand total composition tool 300, and the positioning of the parts of the secondary beam assembly M is completed on the secondary beam total composition tool 400.
The steps of positioning the cross arm on a tool and spot welding are as follows: firstly, pre-installing a shaft sleeve L2 in shaft sleeve holes of two side plates L1, respectively installing lead-free bearings in holes at two sides of a shaft sleeve L2, then respectively horizontally placing the two side plates L1 in corresponding side plate positioning areas 201, enabling the shaft sleeve L2 to correspond to positioning holes in a first shaft sleeve positioning seat 28, and axially penetrating a first positioning shaft from the positioning hole in the first shaft sleeve positioning seat 28 at one side to the positioning hole in the first shaft sleeve positioning seat 28 at the other side through a shaft sleeve hole in the side plate L1 and a shaft sleeve L2; the cylinder positioning shaft penetrates through the cylinder holes of the two side plates L1 and is kept in the positioning holes on the two cylinder positioning seats 29; after the side plate L1 is positioned in the steps, the shaft sleeve L2 is welded at the position of a shaft sleeve hole, the oil cylinder seat L3 is welded between two oil cylinder holes, the connecting rod L4 penetrates through the two connecting rod holes and is welded on the side plate L1, and the panel and the two side plates L1 are welded together in a spot welding mode.
The steps of positioning the trailing arm on the tool and spot welding are as follows: inserting the bottom end of the back panel into a space reserved between the rear end of the second inner plate 25 and the rear end of the second backing plate 27 on the rear side of the cross arm, enabling the back panel to be attached to the reference convex surface 64 of the vertical plate 61 in a planar mode, respectively erecting the left panel and the right panel along the reference convex surface 64 and welding the left panel and the right panel with the back panel together in a spot mode, then inserting the front panel between the left panel and the right panel from front to back, adjusting the positions and welding the left panel and the right panel together in a spot mode, and forming an opening for inserting the hook block L5 in the center of the top of the four panels in the mode; the hook block L5 is inserted opposite the opening and the side of the hook block L5 is abutted against the reference bar 62 to hold the hook block L5 at the center of the trailing arm, while the rear side of the hook block L5 has a mating flat surface for supporting mating with the back panel to ensure the erection of the hook block L5, and then the welded height of the hook block L5 is measured by the process plate 63 and spot-welded to each panel, and the hook block L5 is welded to the front panel and the back panel at the process hole, respectively.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (7)
1. The hook arm upper assembly tailor-welding tool is characterized by comprising a tool platform, and an L-shaped hook arm total component tool, a roll-over stand total component tool and an auxiliary beam total component tool which are respectively arranged on the tool platform;
the L-shaped hook arm total component tool comprises a transverse arm fixing mechanism and a longitudinal arm fixing mechanism, wherein the transverse arm fixing mechanism is provided with two side plate positioning areas which are respectively arranged along the front and back extension of a tool platform, and a shaft sleeve positioning area, a connecting rod positioning area and an oil cylinder positioning area which are arranged at intervals in the front and back and are respectively arranged between the two side plate positioning areas in a transverse mode, and the longitudinal arm fixing mechanism is vertically connected with the rear end of the transverse arm fixing mechanism and forms a longitudinal arm positioning area;
the cross arm fixing mechanism comprises a first shaft sleeve positioning group, an oil cylinder positioning group, a connecting rod positioning group, a side plate benchmark front group, a side plate benchmark middle group and a side plate benchmark rear group which are sequentially arranged along the front and rear directions of a tooling platform, the side plate benchmark middle group and the side plate benchmark rear group are constructed to form a side plate positioning area, the first shaft sleeve positioning group is fixedly arranged on the tooling platform in front of the side plate benchmark front group to form the shaft sleeve positioning area, the oil cylinder positioning group is fixedly arranged on the tooling platform between the side plate benchmark front group and the side plate benchmark middle group to form the oil cylinder positioning area, the connecting rod positioning group is fixedly arranged on the tooling platform between the side plate benchmark front group and the oil cylinder positioning group to form the connecting rod positioning area, and the side plate benchmark rear group is connected with a longitudinal arm fixing mechanism.
2. The tailor-welding tool for the hook arm upper assembly according to claim 1,
the side plate reference front group comprises reference front plates which are symmetrically and fixedly arranged on the tool platform in the left-right direction and two first inner plates which are symmetrically and fixedly arranged between the two reference front plates, and a square space between each first inner plate and the reference front plate on the same side is a part A of the side plate positioning area;
the side plate reference middle group comprises reference middle plates which are symmetrically fixed on the tool platform in a left-right mode and a first base plate which is horizontally fixed between the two reference middle plates;
the curb plate benchmark back group sets firmly the benchmark back plate and the level on the frock platform including bilateral symmetry and sets firmly the second backing plate between two benchmark back plates, second backing plate top surface and first backing plate top surface are on same horizontal plane, just second backing plate top surface symmetry has set firmly two second inner panels, and the space between the benchmark back plate of each second inner panel and homonymy is the B part in curb plate positioning area, leave the interval between second inner panel rear end and the second backing plate rear end.
3. The tailor-welding tool for the hook arm upper assembly according to claim 2,
the first shaft sleeve positioning group comprises first shaft sleeve positioning seats which are bilaterally symmetrically and fixedly arranged on the tool platform and first positioning shafts which horizontally penetrate through positioning holes in the two first shaft sleeve positioning seats, and the first shaft sleeve positioning seats are fixedly arranged on the tool platform outside the outer side line of the side plate positioning area on the same side;
the oil cylinder positioning group comprises oil cylinder positioning seats which are bilaterally symmetrically and fixedly arranged on the tool platform and oil cylinder positioning shafts which horizontally penetrate through positioning holes in the two oil cylinder positioning seats;
the connecting rod positioning group comprises two positioning plates which are arranged in bilateral symmetry, and the front end and the rear end of each positioning plate are fixedly connected between the oil cylinder positioning seat and the reference front plate on the same side.
4. The hook arm upper assembly tailor welding tool according to claim 1, wherein the roll-over stand total composition tool comprises a side frame positioning group, a second shaft sleeve positioning group, a first steel pipe positioning group, a second steel pipe positioning group, a reinforcing plate positioning group, a carriage hook positioning group and a third shaft sleeve positioning group, the side frame positioning group comprises a base plate front group, a reference middle group and a positioning rear group which are arranged in sequence along the front and rear direction of the tool platform, the second shaft sleeve positioning group is arranged on the tool platform between the reference middle group and the positioning rear group, the third shaft sleeve positioning group is arranged on the tool platform in front of the base plate front group, the second steel pipe positioning group is arranged on the tool platform between the base plate front group and the reference middle group, the first steel pipe positioning group is arranged on the tool platform within the base plate front group, the reinforcing plate positioning group is arranged on the tool platform outside the base plate front group, the carriage hook positioning group is arranged on the tooling platform outside the reinforcing plate positioning group.
5. The tailor-welding tool for the hook arm upper assembly according to claim 4, wherein the front group of the backing plates comprises two third backing plates symmetrically arranged on the tool platform, the first steel pipe positioning group comprises two first supporting plates which are arranged on the tool platform in a bilateral symmetry manner and provided with semi-arc grooves at the top ends, the second steel pipe positioning group comprises two second supporting plates which are arranged on the tool platform in a bilateral symmetry manner and provided with semi-arc grooves at the top ends, the reinforcing plate positioning group comprises two fourth backing plates which are symmetrically arranged on the tooling platform from left to right, the carriage hook positioning group comprises two carriage hook positioning seats which are symmetrically arranged on the tooling platform from left to right, the left side and the right side of the third base plate are respectively attached to the fourth base plate and the first supporting plate on the same side, and the protruding height of the third base plate relative to the tooling platform is respectively lower than the protruding height of the fourth base plate relative to the tooling platform relative to the first supporting plate.
6. The tailor-welded tooling for the upper hook arm assembly according to claim 4, wherein the second bushing positioning set comprises second bushing positioning seats bilaterally symmetrically fixed on the tooling platform and second positioning shafts horizontally inserted into the positioning holes of the two second bushing positioning seats, and the third bushing positioning set comprises third bushing positioning seats bilaterally symmetrically fixed on the tooling platform and third positioning shafts horizontally inserted into the positioning holes of the two third bushing positioning seats.
7. The tailor-welded tooling for the upper hook arm assembly according to claim 1, wherein the tooling for the total components of the secondary beam comprises a longitudinal beam positioning set, a front beam positioning set, a middle beam positioning set, a fourth shaft sleeve positioning set, an oil cylinder ear plate positioning set, a channel steel positioning set, a rectangular tube positioning set, two sets of support plate positioning sets and three sets of support seat positioning sets, wherein the longitudinal beam positioning set forms two longitudinal beam positioning areas linearly extending along the front and rear directions of the tooling platform respectively, the support plate positioning set and the support seat positioning sets are arranged close to the outer edge lines of the longitudinal beam positioning areas respectively, the front beam positioning set is fixedly arranged at the front end of the tooling platform, the fourth shaft sleeve positioning set is arranged outside the front end of the longitudinal beam positioning areas, the middle beam positioning set is fixedly arranged on the tooling platform within the middle portions of the two longitudinal beam positioning areas, the rectangular tube positioning set is fixedly arranged on the tooling platform within the rear ends of the two longitudinal beam positioning areas, hydro-cylinder otic placode location group sets firmly within two longeron locating areas and on the frock platform in quarter bend location group the place ahead, channel-section steel location group sets firmly within two longeron locating areas and on the frock platform between quarter bend location group and hydro-cylinder otic placode location group, and longeron location group include with channel-section steel location group shared sixth backing plate and with the shared fifth backing plate of back front beam location group.
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| CN112975224B (en) * | 2021-03-08 | 2023-05-05 | 广西焊杰机器人技术有限公司 | Automatic welding system for steel templates |
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| GB2212778A (en) * | 1987-12-02 | 1989-08-02 | James Dennis Hindley | The demountable skip emptier |
| CN202030250U (en) * | 2011-05-04 | 2011-11-09 | 余姚市捷宇机械有限公司 | Hook arm device for garbage truck with dismountable carriage |
| CN202726400U (en) * | 2012-08-16 | 2013-02-13 | 陕西通力专用汽车有限责任公司 | Side-turning welding tool for chassis of big carriage of dumper lorry |
| CN203246766U (en) * | 2013-05-14 | 2013-10-23 | 长沙星通机械科技有限公司 | Hook arm mechanism of carriage detachable garbage truck |
| CN104259720B (en) * | 2014-09-29 | 2016-04-06 | 广西玉柴专用汽车有限公司 | For the tailor-welding tool of the supporting rack of torque arm car |
| CN205891835U (en) * | 2016-06-07 | 2017-01-18 | 福建群峰机械有限公司 | Safe type hook limb mechanism of carriage detachable garbage truck |
| CN205891825U (en) * | 2016-06-07 | 2017-01-18 | 福建群峰机械有限公司 | Automation of carriage detachable garbage truck is from locking -type hook limb mechanism |
| US20180029795A1 (en) * | 2016-07-29 | 2018-02-01 | Perkins Manufacturing Co. | Single Arm Lifter Assembly For Intermediate Refuse Collection Container |
| CN106542245A (en) * | 2016-09-20 | 2017-03-29 | 湖北江山专用汽车有限公司 | A kind of compartment removable garbage truck torque arm retaining mechanism |
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