CN108453465B

CN108453465B - Welding tool and assembly process for garbage truck bucket assembly

Info

Publication number: CN108453465B
Application number: CN201810405704.5A
Authority: CN
Inventors: 邵火灶; 李伟; 杨人群; 郭松生
Original assignee: FUJIAN JINNIU HEAVY INDUSTRY Co Ltd
Current assignee: FUJIAN JINNIU HEAVY INDUSTRY Co Ltd
Priority date: 2018-04-29
Filing date: 2018-04-29
Publication date: 2020-03-27
Anticipated expiration: 2038-04-29
Also published as: CN108453465A

Abstract

The invention relates to a welding tool and an assembling process for a garbage truck bucket assembly, wherein the welding tool comprises a tool platform, an upper cover dividing tool, a guide rail dividing tool and a bucket hanging dividing tool; the upper cover sub-tool comprises a positioning bracket, a front cross beam positioning group, a rear cross beam positioning group, an oil cylinder seat plate positioning group, a reinforced pipe positioning group, a reinforced beam positioning group and an obtuse angle body positioning group; the barrel hanging sub-tool comprises a frame positioning group, a roller positioning group, a pull lug positioning group, an installation plate positioning group, a guide rail positioning group and a cross beam positioning group; the guide rail positioning group of the guide rail sub-tool respectively comprises a reference inner plate arranged at a front interval and a reference inner plate arranged at a rear interval and a pressing assembly arranged at a front interval and a rear interval. According to the bucket hanging and dividing tool, the upper cover assembly is positioned, spliced and welded through the upper cover dividing tool, the guide rail assembly is positioned, spliced and welded through the bucket hanging and dividing tool, the bucket hanging and dividing tool is used for positioning, splicing and welding the bucket hanging frame assembly and the bucket pressing frame assembly, the work is divided, the bucket hanging and dividing tool is assembled together, the parallelism and the coaxiality of the components can be effectively guaranteed, the assembly difficulty is reduced, and the production efficiency is improved.

Description

Welding tool and assembly process for garbage truck bucket assembly

Technical Field

The invention relates to the technical field of garbage truck assembly, in particular to a welding tool and an assembly process for a garbage truck bucket assembly.

Background

Garbage generally refers to unwanted or useless solid and fluid substances which are visible everywhere in people's daily life or production, but the cleaning and clearing of such solid garbage is a relatively cumbersome task. In order to improve the efficiency of garbage collection and reduce the transportation cost, a side-mounted compression type garbage collection vehicle appears on the market.

The side-mounted compression type garbage collection vehicle comprises a bucket assembly arranged on the side edge of a carriage body, the bucket assembly comprises an upper cover assembly, a guide rail assembly, a bucket rack assembly and a bucket pressing rack assembly, the guide rail assembly is fixedly mounted on the side edge of the carriage body through a supporting beam, a rail groove is formed in the guide rail assembly, the bucket lifting rack assembly and the bucket pressing rack assembly are respectively matched in the rail groove of the guide rail assembly in a sliding mode through a roller component, the bucket pressing rack assembly is matched above the bucket lifting rack assembly, the bucket lifting rack assembly and the upper cover assembly are connected through a movable pull rod, the upper cover assembly is connected with a lifting oil cylinder used for driving the upper cover assembly to open or close the upper cover, and the upper cover assembly, the bucket lifting rack assembly and the bucket pressing rack assembly are driven to move according to a preset path after the lifting oil cylinder acts.

In order to ensure that all parts move stably, the coaxiality between the upper cover assembly and two pin shaft assemblies matched with the lifting oil cylinder must be ensured, the coaxiality between the overturning fulcrums of the upper cover assembly must be ensured, the bilateral symmetry of the rail groove on the guide rail assembly must be ensured, the coaxiality between the roller assemblies matched with the rail groove of the bucket rack assembly must be ensured, and the like. If the requirements cannot be met, the related parts may incline and be stressed unevenly in the working process, and are easily damaged, so that the expected effect is difficult to achieve.

In the assembly of the bucket assembly, the conventional method is that the components are manually assembled and scribed in the welding process, the assembly difficulty is high, the assembly time is long, the assembly and tailor-welding production efficiency is low, and the assembly and tailor-welding production becomes a bottleneck link of production. Moreover, the welding level is different and the standard is difficult to unify by only depending on manual welding, so that the dimensional precision and the form and position tolerance are easy to be out of tolerance, and the appearance is influenced. The accuracy requirements of coaxiality and parallelism among main components cannot be guaranteed, interchangeability of parts is poor, assembly quality is affected, maintenance cost is increased, and after-sale service and maintenance work is not facilitated.

Disclosure of Invention

In order to overcome the technical defects in the prior art, the invention provides a welding tool and an assembling process for a garbage truck bucket assembly.

The technical solution adopted by the invention is as follows:

a welding tool for a garbage truck bucket assembly comprises a tool platform, and an upper cover dividing tool, a guide rail dividing tool and a bucket hanging dividing tool which are arranged on the tool platform.

Preferably, the upper cover sub-tool comprises a positioning support, and a front cross beam positioning group, a rear cross beam positioning group, an oil cylinder seat plate positioning group, a reinforcing pipe positioning group, a reinforcing beam positioning group and an obtuse angle type body positioning group which are respectively arranged on the positioning support, wherein the positioning support is arranged on the tool platform, the top surface of the positioning support is a positioning table top, and the positioning table top is provided with an inclined table top matched with a bent arm of the obtuse angle type body and a horizontal table top matched with a longitudinal beam of the obtuse angle type body.

Preferably, the obtuse-angle type positioning group comprises a longitudinal beam reference group arranged on the horizontal table top and a bent arm reference group arranged on the inclined table top.

Preferably, the cylinder seat plate positioning group comprises a holding assembly for holding the verticality of the cylinder seat plate group relative to the horizontal table top, an overturning positioning group for positioning a hinge hole in the cylinder seat plate group and an overturning shaft sleeve on an overturning hinge seat, and a pin sleeve positioning group for positioning a pin shaft assembly on the cylinder seat plate group, wherein the holding assembly, the overturning positioning group and the pin sleeve positioning group are all arranged on the horizontal table top.

Preferably, the turnover positioning group comprises two turnover positioning seats which are arranged on the horizontal table top in bilateral symmetry relative to the central line of the upper cover and a first positioning shaft which is horizontally and transversely arranged in shaft holes of the two turnover positioning seats;

the pin bush positioning group comprises two pin bush positioning seats which are arranged on the horizontal table board in a bilateral symmetry mode relative to the central line of the upper cover and a second positioning shaft which is horizontally and transversely arranged in shaft holes of the two pin bush positioning seats;

the holding assembly is provided with two groups which are respectively used on one oil cylinder base plate group, each holding assembly comprises a reference inner body which is fixedly arranged on a horizontal table surface and is used for positioning and holding the inner side surface of the oil cylinder base plate group, a reference outer plate which is used for positioning and holding the outer side surface of the oil cylinder base plate group and a reference front body which is used for positioning and holding the outer side surface of the oil cylinder base plate group, the reference inner body and the reference outer plate are arranged in a left-right corresponding mode, positioning rods which can horizontally stretch left and right are combined on the reference inner body through threads, and the positioning rods which can horizontally stretch left and right are combined on the reference front body;

the reinforcing pipe positioning set comprises two positioning arc plates which are fixedly arranged at the top of the reference inner body respectively, and the two positioning arc plates are arranged at the same horizontal height.

Preferably, hang bucket branch frock including setting up frame location group, gyro wheel location group, ear of drawing location group, mounting panel location group, guide rail location group, the crossbeam location group on the frock platform respectively, the mounting panel location group is located frame location group within, crossbeam location group is located the frock platform of frame location group rear side.

Preferably, the frame positioning set comprises two corner seats respectively matched with four right angles of the frame and two corner seat flat plates convexly arranged on the tooling platform, wherein one corner seat flat plate correspondingly supports the lower plate of the frame, and the other corner seat flat plate correspondingly supports the upper plate of the frame;

the mounting plate positioning groups are provided with two groups, each mounting plate positioning group comprises two mounting base plates fixedly arranged on a tool platform in the frame positioning group and convex rods fixedly arranged on the mounting base plates, the top surfaces of the mounting base plates and the top surfaces of the angle seat flat plates are on the same plane, and the convex rods respectively correspond to the mounting holes in the frame body mounting plate up and down;

the roller positioning group comprises two roller positioning seats and a fifth positioning shaft horizontally and transversely arranged in positioning holes of the roller positioning seats, and the two roller positioning seats are respectively arranged on the tool platforms outside the left side and the right side of the frame positioning group;

the pull lug positioning group comprises a pull lug reference plate, pull lug positioning seats and a fourth positioning shaft horizontally and transversely arranged in positioning holes of the pull lug positioning seats, the two pull lug positioning seats are arranged on the tool platforms respectively outside the left side and the right side of the frame positioning group, the two pull lug reference plates are respectively and fixedly arranged on opposite surfaces of the pull lug positioning seats below the fourth positioning shaft, and the installation height of the pull lug reference plate is higher than the outer side surface of the frame;

the beam positioning group comprises a beam base plate arranged on a tool platform at the rear side of the frame positioning group and at least two beam positioning plates arranged on the beam base plate, and the reference surfaces of the beam positioning plates are respectively positioned at one side far away from the frame positioning group and on the same vertical plane;

the guide rail positioning sets are provided with two sets, each guide rail positioning set comprises two guide rail positioning seats and a third positioning shaft horizontally and transversely arranged in shaft holes of the two guide rail positioning seats, one guide rail positioning seat is fixedly arranged on a tool platform between the cross beam positioning set and the frame positioning set, the other guide rail positioning seat is fixedly arranged on the tool platform between the two angle seat flat plates, positioning holes in the two guide rail positioning seats of the same guide rail positioning set are arranged on the same horizontal shaft and are equal to the outer diameter of the third positioning shaft, and the lower ends of the positioning holes of the guide rail positioning seats are higher than the top surfaces of the angle seat flat plates.

Preferably, the guide rail divides frock includes that two relative guide rail central lines bilateral symmetry set up the guide rail location group on the frock platform, and each guide rail location group includes the benchmark inner panel that a plurality of intervals set up around and a plurality of compressing assemblies that interval set up around respectively, the outer terminal surface of a plurality of benchmark inner panels is on the vertical plane that is on a parallel with the guide rail central line and regard as the reference surface of guide rail opening side, a plurality of compressing assemblies set up respectively on the frock platform of one side that the guide rail central line was kept away from to the benchmark inner panel, wherein lean on preceding benchmark inner panel and the most preceding compressing assembly left and right sides relative setting, and the preceding terminal surface that leans on preceding benchmark inner panel in two sets of guide rail location groups is on same vertical plane that is perpendicular to the guide.

Preferably, each pressing assembly comprises a pressing seat and a pressing rod horizontally screwed in a threaded hole in the pressing seat.

The invention also provides a garbage truck bucket assembly assembling process using the garbage truck bucket assembly tailor-welding tool, which specifically comprises the following steps:

forming main components through numerical control, then performing positioning and tailor-welding by utilizing the upper cover to obtain an upper cover assembly, performing positioning and tailor-welding by utilizing the hanging barrel to obtain a hanging barrel frame assembly and a barrel pressing frame assembly which are assembled together, and performing positioning and tailor-welding by utilizing the guide rail to obtain a guide rail assembly;

the upper cover assembly is fixedly arranged corresponding to a feeding port on a carriage body of the garbage truck;

respectively installing a pull rod on a pull rod hinge seat of the upper cover assembly, and lowering the pull rod;

according to the requirement of the low-level height of the bucket rack assembly, the bucket rack assembly and the bucket pressing rack assembly which are assembled together are supported by an auxiliary platform and kept in a vertical state, and the left and right positions of the bucket rack assembly are adjusted so that the bottom end of a pull rod is connected with a pull lug in the bucket rack assembly;

respectively lowering the guide rail assembly from top to bottom along a first roller assembly of the bucket rack assembly and a second roller assembly of the bucket rack pressing assembly, then horizontally fixing an F-shaped rail body of the guide rail assembly on the carriage body, and adjusting the guide rail assembly, the bucket rack pressing assembly and the bucket rack assembly back and forth so as to enable the supporting beam to be abutted against the carriage body and welded together;

and (5) removing the auxiliary platform to complete the assembly of the garbage truck bucket assembly.

The invention has the beneficial effects that:

the invention positions and welds the upper cover assembly through the upper cover sub-tool, positions and welds the guide rail assembly through the guide rail sub-tool, positions and welds the bucket hanger assembly and the barrel pressing frame assembly through the bucket hanging sub-tool, the work division operation, the reassembling together, can guarantee the parallelism and the coaxiality of the part effectively, ensure the precision and the quality of the product, prevent and lighten the welding deformation effectively, make the workpiece in the best welding position, have good formability of the welding line, obviously reduce the technological defect, reduce the production cost, reduce the assembly difficulty, promote the production efficiency, and can prolong the service life of the part, improve the interchangeability of the part, in the user's use process, find the damage on the part, after-sales service personnel can go to the on-site replacement fast, not only facilitate after-sales service, but also greatly reduce the maintenance service cost.

Drawings

Fig. 1 is a schematic structural view of a garbage truck bucket assembly of the present invention.

FIG. 2 is a perspective view of the upper cover assembly of the present invention.

FIG. 3 is a perspective view of the upper cover assembly of the present invention.

FIG. 4 is a top view of the upper cover assembly of the present invention.

FIG. 5 is a schematic view of a base structure of the bucket rack assembly of the present invention.

FIG. 6 is a schematic view of a barrel pressing frame assembly according to the present invention.

FIG. 7 is a schematic view of the structure of the guide rail assembly of the present invention.

Fig. 8 is a schematic layout view of a three-division tool of the welding tool for the garbage truck bucket assembly of the present invention.

FIG. 9 is a top view of the upper cover subassembly of the present invention.

FIG. 10 is a side view of the upper cover sub-assembly of the present invention.

Fig. 11 is a sectional view taken along a-a shown in fig. 10.

FIG. 12 is a top view of the bucket hanging and separating tool of the present invention.

FIG. 13 is a side view of the barrel hanging and separating tool of the present invention.

Fig. 14 is a schematic structural view of a pull lug positioning set of the bucket hanging and separating tool.

Fig. 15 is a top view of the guide rail sub-assembly of the present invention.

Fig. 16 is a side view of the guide rail sub-assembly of the present invention.

Description of reference numerals:

100. an upper cover assembly; 101. a stringer; 102. a cylinder seat plate group; 103. a cylinder seat plate reinforcing pipe; 104. turning over the hinge seat; 105. lifting the oil cylinder base; 106. bending the arm; 107. a curved arm stiffening beam; 108. a pull rod hinge seat; 109. a bent arm reinforcing plate; 1021. a pin bush; 1022. an oil cylinder pin shaft; 1041. turning over the pin shaft; 1042. turning over the shaft sleeve;

200. a bucket rack assembly; 201. a frame; 202. a frame body mounting plate; 203. pulling the lug; 204. a guide sleeve; 205. a first roller assembly; 300. a barrel pressing frame assembly; 301. a barrel pressing frame cross beam; 302. a second roller assembly; 303. a guide rail shaft sleeve; 304. a guide rail;

400. a guide rail assembly; 401. a linear rail body; 402. an F-shaped rail body; 403. a support beam; 404. a limiting block; 405. a baffle plate; 500. a pull rod;

A. an upper cover dividing tool; 11. positioning the bracket; 12. a reinforcing beam positioning group; 13. a front beam positioning group; 14. a rear cross beam positioning group; 15. an obtuse angle type body positioning group; 161. turning over the positioning seat; 162. a first positioning shaft; 171. a pin bush positioning seat; 172. a second positioning shaft; 181. a reference endosome; 182. a reference outer plate; 183. a reference precursor; 184. positioning the arc plate; 191. a support plate; 192. a base plate;

B. hanging a barrel and dividing the tooling; 211. a corner base plate; 212. a corner seat; 221. installing a base plate; 222. a nose bar; 231. a beam base plate; 232. a beam positioning plate; 241. a guide rail positioning seat; 242. a third positioning shaft; 251. a lug pulling positioning seat; 252. a fourth positioning shaft; 253. pulling the lug reference plate; 261. a roller positioning seat; 262. a fifth positioning shaft;

C. dividing the guide rail into tools; 41. a reference inner plate; 42. a compression assembly; 50. and a tooling platform.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

as shown in fig. 1 to 16, the present embodiment provides a welding fixture for a trash can assembly, which is used for positioning the welding can assembly. In this embodiment, the well-bucket assembly includes upper cover assembly 100, guide rail assembly 400, well-bucket frame assembly 200 and pressure bucket frame assembly 300, through pull rod 500 swing joint between upper cover assembly 100 and the well-bucket frame assembly 200, the tailor-welding frock of the corresponding embodiment is including the three branch frock of supporting use, is respectively for the upper cover that is used for positioning tailor-welding upper cover assembly 100 divides frock A, is used for positioning tailor-welding guide rail assembly 400's guide rail branch frock C and is used for positioning tailor-welding well-bucket frame assembly 200 and the hanging bucket that presses bucket frame assembly 300 divides frock B, upper cover divides frock A, guide rail branch frock C and hanging bucket branch frock B all set up on frock platform 50. Specifically, the method comprises the following steps:

firstly, an upper cover assembly 100 and an upper cover sub-tool A:

the upper cover assembly 100 comprises a horizontal part and an inclined part, wherein the horizontal part comprises a longitudinal beam 101, a front cross beam, a middle cross beam, a rear cross beam, a reinforcing beam, an oil cylinder seat plate group 102, a turnover hinge seat 104, an oil cylinder seat plate reinforcing pipe 103, a lifting oil cylinder seat 105, a lifting oil cylinder and an upper cover sealing plate, and the inclined part comprises a bent arm 106, a bent arm reinforcing beam 107, a pull rod hinge seat 108 and a bent arm reinforcing plate 109.

The oil cylinder seat plate group is characterized in that the longitudinal beams 101 are arranged in two parallel opposite directions, the front cross beam, the middle cross beam and the rear cross beam are respectively connected between the two longitudinal beams 101, the four reinforcing beams are arranged, two reinforcing beams are connected between the longitudinal beams 101 and the front cross beam, the other two reinforcing beams are connected between the oil cylinder seat plate group 102 and the rear cross beam, the upper cover sealing plate is horizontally arranged above the front cross beam, the middle cross beam and the rear cross beam, and the left end and the right end of the upper cover sealing plate are respectively connected with the inner walls of the two longitudinal.

The oil cylinder seat plate groups 102 are arranged at the rear ends of the corresponding longitudinal beams 101 in a vertical mode respectively, the oil cylinder seat plate reinforcing pipes 103 are horizontally connected between the two oil cylinder seat plate groups 102, hinge holes used for being matched with the turnover hinge seats 104 are formed in the left end and the right end of the oil cylinder seat plate groups 102 in a penetrating mode, the turnover hinge seats 104 are used for being fixedly arranged on a garbage truck carriage body and are correspondingly arranged at the hinge holes of the oil cylinder seat plate groups 102 through turnover hinge pins 1041 so that the oil cylinder seat plate groups 102 can turn over up and down around the turnover hinge pins 1041, each turnover hinge seat 104 comprises two oppositely arranged lug plates and turnover shaft sleeves 1042 arranged in the center holes of the two lug plates in an adaptive mode, and the turnover hinge pins 1041 are arranged in the turnover shaft sleeves 1042 in a penetrating mode and are matched with the hinge holes in the oil cylinder seat plate groups 102 in. For the convenience of the following description, in the present embodiment, the two cylinder block groups 102 are respectively a first cylinder block group and a second cylinder block group, and the two turning hinge bases 104 are respectively a first turning hinge base and a second turning hinge base.

The upper portion of the oil cylinder seat plate group 102 is provided with an assembly hole which is arranged in a left-right through mode and a pin shaft assembly which is arranged in the assembly hole in a matched mode and used for being matched with a lifting oil cylinder, the lifting oil cylinder seat 105 is used for being fixedly arranged on a carriage body of the garbage truck and provided with a hinge hole, the cylinder body portion of the lifting oil cylinder is correspondingly arranged at the hinge hole of the lifting oil cylinder seat 105 through a pin shaft, and the tail end of a piston rod of the lifting oil cylinder is fixedly sleeved on the pin shaft assembly of the oil cylinder seat plate group 102 so that power can be provided for the oil cylinder seat plate group 102 to turn over up and down around a turning pin shaft. The pin shaft assembly comprises a pin sleeve 1021 and a cylinder pin shaft 1022, the cylinder pin shaft 1022 and the pin sleeve 1021 are statically connected through a clamping piece, and the outer diameter of the cylinder pin shaft 1022 is equal to the inner diameter of the pin sleeve 1021.

The two bent arms 106 of the inclined part are arranged in parallel and opposite, the front end of the longitudinal beam 101 is connected with the upper ends of the bent arms 106 to form an obtuse angle and is reinforced by the bent arm reinforcing plate 109, the bent arm reinforcing beam 107 is horizontally connected between the two bent arms 106, and the pull rod hinge seat 108 is fixedly arranged at the bottom end of each bent arm 106 through a bent arm end socket.

With the above-mentioned structure of the upper cover assembly 100, before the tailor welding starts, it is necessary to perform the prefabrication and molding of the main components, such as the cylinder seat plate group 102, the longitudinal beam 101 and the bent arm 106, to form an obtuse angle shape, and to reinforce and fix the structure through the bent arm reinforcing plate 109. And there are several needs to be positioned during the tailor-welding process:

the parallelism, relative position in the left-right direction and relative position in the front-rear direction of the first and second longitudinal beams 101 and the curved arm 106; secondly, the levelness of the oil cylinder seat plate reinforcing pipe 103 or the verticality of the oil cylinder seat plate group 102; thirdly, the levelness of the bent arm reinforcing beam 107 or the perpendicularity of the bent arm reinforcing beam and the bent arm 106; the coaxiality of the fourth and the second turnover pins 1041; and the coaxiality of the cylinder pin sleeves 1021 on the fifth and the second cylinder seat plate groups 102.

In order to meet the above positioning requirements, the upper cover sub-assembly a provided in this embodiment includes a positioning bracket 11, a front beam positioning set 13, a rear beam positioning set 14, a cylinder seat plate positioning set, a reinforcement pipe positioning set, a reinforcement beam positioning set 12, and an obtuse angle type positioning set 15.

The locating support 11 sets up on frock platform 50 and its top surface is the location mesa with obtuse angle type body looks adaptation, the location mesa has horizontal mesa and slope mesa, and the position in the front and back direction of obtuse angle type body can be confirmed to the turning line department of pasting at the location mesa through the corner correspondence of obtuse angle type body like this. The utility model discloses a horizontal table top, including the locating table top, have the upper cover central line that extends around on the locating table top, obtuse angle type body location group 15 is including locating longeron benchmark group on the horizontal table top and locating the curved boom benchmark group on the slope table top, longeron benchmark group is including relative the longeron benchmark board that upper cover central line bilateral symmetry set up on the horizontal table top, curved boom benchmark group is including relative the upper cover central line bilateral symmetry sets up the curved boom benchmark board on the slope table top, longeron benchmark board and curved boom benchmark board lean on with the lateral wall plane of obtuse angle type body respectively, so can confirm position and the depth of parallelism of obtuse angle type body in the left and right.

The front cross beam positioning group 13 comprises two front cross beam reference plates which are fixedly arranged at the front part of the horizontal table board respectively, and the rear end surfaces of the two front cross beam reference plates are on the same plane and are vertical to the reference surface of the longitudinal beam reference plate. The rear cross beam positioning group 14 comprises two rear cross beam reference plates which are fixedly arranged at the rear part of the horizontal table board respectively, and the front end surfaces of the two rear cross beam reference plates are on the same plane and are vertical to the reference surface of the longitudinal beam reference plate. The two front beam reference plates and the two rear beam reference plates are arranged on a horizontal table surface between the two obtuse angle bodies, the front and rear positions of the front beam and the verticality of the front beam and the obtuse angle bodies can be determined through the front beam positioning group 13, and the front and rear positions of the rear beam and the verticality of the rear beam and the obtuse angle bodies can be determined through the rear beam positioning group 14.

The cylinder seat plate positioning group comprises a holding assembly for holding the verticality of the cylinder seat plate group 102 relative to a horizontal table surface, a turning positioning group for positioning a hinge hole on the cylinder seat plate group 102 and a turning shaft sleeve 1042 on a turning hinge seat 104, and a pin sleeve positioning group for positioning a pin sleeve 1021 on the cylinder seat plate group 102.

The overturning positioning group comprises two overturning positioning seats 161 which are arranged on a horizontal table board in bilateral symmetry relative to the central line of the upper cover and a first positioning shaft 162 which is horizontally transversely arranged in shaft holes of the two overturning positioning seats 161, the coaxiality between hinge holes on the two oil cylinder seat plate groups 102 and the coaxiality of central holes of overturning shaft sleeves 1042 on the two overturning hinge seats 104 can be determined through the overturning positioning group, and meanwhile, the front and back positions of each oil cylinder seat plate group 102 on the positioning table board and the length of the outwards protrusion of the overturning shaft sleeves 1042 relative to the oil cylinder seat plate groups 102 are also determined. The inner diameter of the shaft hole on the turning positioning seat 161, the inner diameter of the hinge hole on the oil cylinder seat plate group 102 and the inner diameter of the center hole of the turning shaft sleeve 1042 are respectively equal to the outer diameter of the first positioning shaft 162, when positioning, the first positioning shaft 162 sequentially passes through the positioning hole on one turning positioning seat 161, the hinge hole outside the first oil cylinder seat plate group, the center hole of the turning shaft sleeve 1042, the hinge hole inside the first oil cylinder seat plate group, the hinge hole inside the second oil cylinder seat plate group, the center hole of the turning shaft sleeve 1042, the hinge hole outside the second oil cylinder seat plate group and the positioning hole on the other turning positioning seat 161, then the turnover shaft sleeves 1042 are pushed to abut against the turnover positioning seats 161, after the two turnover shaft sleeves 1042 are positioned, the first positioning shaft 162 is detached and the turnover pin 1041 is inserted into the turnover shaft sleeves 1042 in a matching manner, thereby ensuring the coaxiality of the hinge holes on the two cylinder seat plate groups 102 and fixing the connection relationship between the cylinder seat plate groups 102 and the turnover hinge seat 104.

The pin bush positioning group comprises two pin bush positioning seats 171 which are arranged on the horizontal table board in bilateral symmetry relative to the central line of the upper cover and a second positioning shaft 172 which is horizontally and transversely arranged in the shaft holes of the two pin bush positioning seats 171, the inner diameter of the positioning hole of the pin bush positioning seat 171 and the diameter of the inner hole of the pin roll assembly are respectively equal to the outer diameter of the second positioning shaft 172, the second positioning shaft 172 sequentially passes through the positioning hole of one pin bush positioning seat 171, the assembly hole of the first oil cylinder seat plate group, the two pin roll assemblies, the assembly hole of the second oil cylinder seat plate and the positioning hole of the other pin bush positioning seat 171 during positioning, then the pin shaft assemblies are respectively installed in the corresponding assembly holes and abut against the end faces of the pin bush positioning seats 171 on the corresponding sides, thereby defining the length of each pin shaft assembly protruding outward relative to the cylinder block set 102, the coaxiality between the two pin shaft assemblies, and the parallelism between the pin sleeve 1021 and the tilt shaft sleeve 1042. Meanwhile, the front and back positions of each oil cylinder seat plate group 102 on the positioning table surface can be determined through the overturning positioning group and the pin sleeve positioning group.

The holding assembly is provided with two groups, the two groups are respectively used for positioning the cylinder seat plate group 102, each holding assembly comprises a reference inner body 181 which is fixedly arranged on a horizontal table surface and is used for positioning and holding the inner side surface of the cylinder seat plate group 102, a reference outer plate 182 which is used for positioning and holding the outer side surface of the cylinder seat plate group 102, and a reference front body 183 which is used for positioning and holding the outer side surface of the cylinder seat plate group 102, the reference inner body 181 and the reference outer plate 182 are arranged in a left-right corresponding mode, positioning rods which can horizontally stretch out and draw back in a left-right mode are screwed on the reference inner body 181 and the reference outer plate 182, a positioning rod which can horizontally stretch out and draw back in a left-right mode is combined on the reference front body 183, a reference surface of the reference outer plate 182 is in contact with the outer side surface plane of the cylinder seat plate group 102 in the positioning process, a positioning end of the positioning rod of the reference, therefore, the oil cylinder seat plate group 102 is convenient to position and maintain, and the coaxiality of the hinge hole and the pin shaft assembly is guaranteed.

The reinforcing pipe positioning set comprises two positioning arc plates 184 which are fixedly arranged at the top of the reference inner body 181 respectively, the two positioning arc plates 184 are positioned at the same horizontal height, and during positioning, the oil cylinder seat plate reinforcing pipe 103 is horizontally placed between the two positioning arc plates 184, and the two axial ends of the oil cylinder seat plate reinforcing pipe 103 are respectively abutted against the oil cylinder seat plate set 102.

The reinforcing beam positioning set 12 comprises two supporting plates 191 which are respectively fixed on the inclined table top and a base plate 192 which is positioned on the horizontal table top between the two supporting plates 191, and the up-down position of the bent arm reinforcing beam 107 on the bent arm 106 and the verticality between the bent arm reinforcing beam and the bent arm 106 are determined through the reinforcing beam positioning set 12.

II, a bucket lifting frame assembly 200, a bucket pressing frame assembly 300 and a hanging bucket dividing tool B:

the bucket rack assembly 200 of this embodiment includes a bucket rack base and a rack body disposed on the bucket rack base, the base of the bucket rack comprises a frame 201, a rack body mounting plate 202 fixedly arranged on the frame 201, a pull lug 203, a guide sleeve 204 and a first roller assembly 205, the two frame body mounting plates 202 are vertically fixed on the outer side surface of the frame 201, the frame body mounting plate 202 is provided with mounting holes, the pull lugs 203 are provided with two and are respectively arranged on the left side plate and the right side plate of the frame 201 so as to be movably connected with the pull rod 500, the guide sleeve 204 is provided with two guide sleeve holes which are respectively matched and arranged in the left side and the right side of the upper plate of the frame 201, the first roller assembly 205 is provided with two roller holes respectively adapted to the two side plates of the frame 201 and at the same horizontal height, the first roller assembly 205 includes a first roller sleeve fixedly inserted into the wheel axle hole of the side plate and a first roller coaxially sleeved outside the first roller sleeve. The frame body can be divided into an iron barrel frame body and a plastic barrel frame body according to the type of the barrel body, and the frame body is installed on the frame body installation plate 202.

The barrel pressing frame assembly 300 of the embodiment comprises a barrel pressing frame base and barrel pressing components arranged on the barrel pressing frame base, wherein the barrel pressing frame base comprises a barrel pressing frame cross beam 301, a second roller component 302 and a guide rail shaft sleeve 303, the second roller component 302 is provided with two rollers which are coaxially arranged at the left end and the right end of the barrel pressing frame cross beam 301 respectively, the second roller component 302 comprises a second roller shaft sleeve fixedly arranged on the barrel pressing frame cross beam 301 in a penetrating manner and a second roller coaxially sleeved outside the second roller shaft sleeve, the guide rail shaft sleeve 303 is matched and arranged in a through hole in the barrel pressing frame cross beam 301, when the barrel pressing frame assembly 300 is assembled with the bucket hanging frame assembly 200, a guide rail 304 is vertically inserted between the guide rail shaft sleeve 303 and the guide sleeve 204, and the upper end and the lower end of the guide rail 304 are respectively provided with clamping pieces for limiting the upper and lower moving range of the guide rail 304. The barrel pressing assembly is arranged on the barrel pressing frame cross beam 301, and different structures can be designed according to the type of the barrel body.

For the construction of the bucket rack base described above, there are several positions that need to be located during the tailor welding process: the coaxiality of the first and second first roller assemblies 205 and the left and right positions thereof on the frame 201; the second and the second rack body mounting plates 202 are arranged at the left and right positions on the frame 201; the coaxiality of the third pull lug and the second pull lug 203, the up-down position and the left-right position on the frame 201.

For the construction of the above described barrel press frame base, there are several positions that need to be located during the tailor welding process: first, the initial spacing and parallelism between the barrel pressing frame beam 301 and the upper plate of the frame 201; second, the coaxiality between the guide rail bushing 303 and the guide sleeve 204 on the bucket rack base.

In order to meet the positioning requirements, the bucket hanging and distributing tool B provided by the embodiment comprises a frame positioning group, a roller positioning group, a pull lug positioning group, an installation plate positioning group, a guide rail positioning group and a cross beam positioning group.

The frame positioning group is used for positioning the frame 201 and comprises corner seats 212 matched with four right angles of the frame 201 and corner seat flat plates 211 convexly arranged on the tooling platform 50, the corner seat flat plates 211 are provided with two corner seat flat plates 211, one corner seat flat plate 211 correspondingly supports a lower plate of the frame 201, the other corner seat flat plate 211 correspondingly supports an upper plate of the frame 201, the upper plate and the lower plate of the frame 201 are horizontally arranged on the two corner seat flat plates 211 respectively during positioning, and the four right angles of the frame 201 are clamped on the corresponding corner seats 212 respectively, so that the position consistency of the frame 201 is ensured.

The mounting panel location group is equipped with two sets ofly, is used for fixing a position two support body mounting panels 202 respectively, and each mounting panel location group includes that two set firmly the mounting pad 221 on the frock platform 50 within the frame location group and set firmly the nose bar 222 on mounting pad 221, mounting pad 221 top surface and angle seat flat board 211 top surface are on the coplanar, nose bar 222 corresponds from top to bottom with the mounting hole on the support body mounting panel 202 respectively, when the location support body mounting panel 202 level is placed on mounting pad 221 and is let nose bar 222 from lower up wearing to locate corresponding mounting hole to guarantee the left and right sides position uniformity of support body mounting panel 202 on frame 201.

The cross beam positioning group is used for positioning the barrel pressing frame cross beam 301, and comprises a cross beam base plate 231 and at least two cross beam positioning plates 232 which are arranged on the cross beam base plate 231 and are arranged on the tooling platform 50 at the rear side of the frame positioning group, the reference surfaces of the cross beam positioning plates 232 are respectively positioned at one side far away from the frame positioning group and on the same vertical plane, and the barrel pressing frame cross beam 301 is horizontally placed on the cross beam base plate 231 and enables the plane thereof to be attached to the reference surface of the cross beam positioning plate 232 during positioning, so that the distance and the parallelism between the barrel pressing frame cross beam 301 and the frame 201 are determined.

The guide rail positioning sets are provided with two sets, which are respectively used for positioning the guide rail shaft sleeve 303 and the guide sleeve 204, each guide rail positioning set comprises two guide rail positioning seats 241 and a third positioning shaft 242 horizontally and transversely arranged in the shaft holes of the two guide rail positioning seats 241, the two guide rail positioning seats 241 are respectively provided with a first guide rail positioning seat and a second guide rail positioning seat, the first guide rail positioning seat is fixedly arranged on the tooling platform 50 between the beam positioning set and the frame positioning set, the second guide rail positioning seat is fixedly arranged on the tooling platform 50 between the two angle seat flat plates 211, the positioning holes on the two guide rail positioning seats 241 of the same guide rail positioning set are arranged on the same horizontal shaft and are equivalent to the outer diameter of the third positioning shaft 242, the lower end of the positioning hole of each guide rail positioning seat 241 is higher than the top surface of the angle seat flat plate 211, and the third positioning shaft 242 sequentially penetrates through the through hole on the compression, And then, respectively installing a guide rail shaft sleeve 303 in the through hole and installing a guide sleeve 204 in the guide rail hole, thereby determining the coaxiality between the guide rail shaft sleeve 303 and the guide sleeve 204 on the bucket rack base. The inner diameter of the guide sleeve 204 and the inner diameter of the guide rail sleeve 303 correspond to the outer diameter of the third positioning shaft 242.

The pull lug positioning group is used for positioning the pull lug 203 and comprises a pull lug reference plate 253, pull lug positioning seats 251 and fourth positioning shafts 252 horizontally and transversely arranged in positioning holes of the pull lug positioning seats 251, the two pull lug positioning seats 251 are arranged on two tool platforms 50 respectively arranged outside the left side and the right side of the frame positioning group, the two pull lug reference plates 253 are arranged on two opposite surfaces of the pull lug positioning seats 251 respectively and fixedly arranged below the fourth positioning shafts 252, the installation height of the pull lug reference plate 253 is higher than the outer side surface of the frame 201, the pull lug 203 is attached to the pull lug reference plate 253 and penetrates through the fourth positioning shafts 252 during positioning, the set position of the pull lug positioning seats 251 cannot influence the operation of putting the frame 201 into the frame positioning group, and the coaxiality of the pull lug 203 at the left position, the right position, the upper position and the lower position of the frame 201 and the coaxiality of the two pull lugs 203 can also be determined. The inner diameter of the positioning hole of the pull lug positioning seat 251 and the inner diameter of the shaft hole of the pull lug 203 are respectively equivalent to the outer diameter of the fourth positioning shaft 252.

The roller positioning group is used for positioning two first roller assemblies 205 on the bucket rack assembly 200, and comprises two roller positioning seats 261 and a fifth positioning shaft 262 horizontally transversely arranged in a positioning hole of the roller positioning seat 261, the two roller positioning seats 261 are respectively arranged on the tooling platform 50 outside the left side and the right side of the frame positioning group, the inner diameter of the positioning hole of the roller positioning seat 261 and the inner hole diameter of the first roller assembly 205 are respectively equal to the outer diameter of the fifth positioning shaft 262, the fifth positioning shaft 262 sequentially passes through the positioning hole of the roller positioning seat 261 on one side, the axle hole on one side, the two first roller assemblies 205, the axle hole on the other side and the positioning hole of the roller positioning seat 261 on the other side during positioning, then the first roller assemblies 205 are respectively arranged in the axle holes and the first roller assemblies 205 are attached to the roller positioning seats 261, the peripheral walls of the first roller assemblies 205 are matched with the axle holes, and the inner hole walls of the first roller assemblies 205 are matched with the, thereby determining the length of each first roller assembly 205 that is outwardly convex with respect to the frame 201 and the coaxiality between the two first roller assemblies 205.

Thirdly, the guide rail assembly 400 and the guide rail sub-tool C:

the guide rail assembly 400 of this embodiment includes an F-shaped rail body 402 composed of a plurality of seal plates, a linear rail body 401 composed of a plurality of seal plates, and a plurality of support beams 403 disposed at intervals up and down on one side of the linear rail body 401 facing the compartment of the garbage truck, wherein the bottom end of the F-shaped rail body 402 is aligned and welded with the top end of the linear rail body 401, and the guide rail assembly 400 is mounted on the compartment by fixing the support beams 403 on the compartment of the garbage truck. The linear rail body 401 is provided with a rail groove with an opening at one side and an open lower part, the F-shaped rail body 402 is branched into two branch grooves, the tail end of each branch groove is provided with a limit block 404, one branch groove is set as a second branch groove and is vertical to the linear rail body 401, the other branch groove is set as a first branch groove and is arranged above the second branch groove and is an arc rail groove, a baffle plate 405 is arranged at the inlet of the first branch groove, the baffle plate 405 can prevent the second roller assembly 302 from sliding into the first branch groove and enable the first roller assembly 205 to slide into the first branch groove, so that the lifting cylinder drives the barrel lifting frame assembly 200 and the barrel pressing frame assembly 300 to ascend along the linear rail body 401 when the linear rail body 402 is reached, the second roller assembly 302 slides into the second branch groove, the first roller assembly 205 slides into the first branch groove, and the barrel body inclines, And (5) finishing pouring.

With regard to the above-mentioned construction of the guide rail assembly 400, the pre-forming of the main components, such as the linear rail body 401 and the F-shaped rail body 402, needs to be completed before the tailor-welding, and there are several positioning needs in the tailor-welding process: left-right symmetry of the first and second F-shaped rail bodies 402; the second, two straight rail bodies 401 are parallel.

In order to meet the above positioning requirements, the guide rail dividing tool C provided in this embodiment includes two guide rail positioning sets symmetrically arranged on the tool platform 50 in left-right direction with respect to the center line of the guide rail, each guide rail positioning set includes a plurality of reference inner plates 41 arranged at intervals in front and back and a plurality of pressing assemblies 42 arranged at intervals in front and back, the outer end surfaces of the plurality of reference inner plates 41 are on a vertical plane parallel to the center line of the guide rail and serve as reference surfaces of the opening sides of the guide rail, the plurality of pressing assemblies 42 are respectively arranged on the tool platform 50 on a side of the reference inner plates 41 away from the center line of the guide rail, each pressing assembly 42 includes a pressing base fixed on the tool platform 50 and a pressing rod horizontally screwed into a threaded hole on the pressing base, wherein the foremost reference inner plate 41 and the foremost pressing assembly 42 are arranged in left-right direction with respect to each other, the front end surfaces of the foremost reference inner plates, when in positioning, the F-shaped rail body 402 is firstly placed between the front-most reference inner plate 41 and the front-most pressing component 42, meanwhile, the side wall of a second branch groove of the F-shaped rail body 402 is flush with the front end face of the front-most reference inner plate 41, the notch of the F-shaped rail body 402 faces and is attached to the reference face of the front-most reference inner plate 41, and the pressing rod of the front-most pressing component 42 is abutted to the sealing plate of the F-shaped rail body 402, so that the front and back positions of the F-shaped rail body 402 on the tool platform 50 are determined, and the verticality and the left and right positions between the F-shaped rail body 402 and the tool platform 50 are also ensured; then, the linear rail body 401 is positioned, the linear rail body 401 is placed between the reference inner plate 41 and the pressing assembly 42 and is butted against the F-shaped rail body 402, then the pressing rod is pressed against the sealing plate of the linear rail body 401, and the F-shaped rail body 402 and the linear rail body 401 are aligned and welded together, so that the front-back position and the left-right position of the linear rail body 401 on the tooling platform 50 are determined. The parallelism between the two guide rail assemblies 400 and the bilateral symmetry of the F-shaped rail body 402 can be ensured through the guide rail sub-assembly C.

To sum up, the garbage truck bucket assembly assembling process of the embodiment specifically comprises the following steps:

firstly, forming a main component by numerical control; then, an upper cover assembly 100 is obtained by using the upper cover sub-tool A through positioning and tailor welding, a bucket hanging frame assembly 200 and a bucket pressing frame assembly 300 which are assembled together are obtained by using the bucket hanging sub-tool B through positioning and tailor welding, and a guide rail assembly 400 is obtained by using the guide rail sub-tool C through positioning and tailor welding;

the upper cover assembly 100 is fixedly arranged corresponding to a feeding port on a carriage body of the garbage truck, so that the left and right positions of the upper cover assembly 100 on the carriage body are determined;

respectively installing a pull rod 500 on the pull rod hinge seat 108 of the upper cover assembly 100, and lowering the pull rod 500; according to the requirement of the low height of the bucket rack assembly 200, the bucket rack assembly 200 and the bucket pressing rack assembly 300 which are assembled together are supported by an auxiliary platform and kept in a vertical state, and the left and right positions are adjusted to ensure that the bottom end of the pull rod 500 is connected with the pull lug 203 in the bucket rack assembly 200, so that the up-down position and the left and right positions of the bucket rack assembly 200 and the bucket pressing rack assembly 300 are determined;

respectively lowering the guide rail assembly 400 downwards along the first roller assembly 205 and the second roller assembly 302 from top to bottom, so as to determine the left-right distance between the two guide rail assemblies 400, then horizontally fixing an F-shaped rail body 402 of the guide rail assembly 400 on the carriage body, and adjusting the guide rail assembly 400, the barrel pressing frame assembly 300 and the bucket lifting frame assembly 200 forwards and backwards to enable the supporting beam 403 to be abutted against the carriage body and welded together, so as to determine the front-back positions of the two guide rail assemblies 400, the bucket lifting frame assembly 200 and the bucket pressing frame assembly 300 relative to the carriage body and the upper-lower positions of the two guide rail assemblies 400;

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

1. The welding tool for the garbage truck bucket assembly is characterized by comprising a tool platform, and an upper cover sub-tool, a guide rail sub-tool and a bucket hanging sub-tool which are arranged on the tool platform;

the barrel hanging sub-tool comprises a frame positioning group, a roller positioning group, a pull lug positioning group, an installation plate positioning group, a guide rail positioning group and a cross beam positioning group which are respectively arranged on a tool platform, wherein the installation plate positioning group is positioned in the frame positioning group, and the cross beam positioning group is positioned on the tool platform at the rear side of the frame positioning group;

the frame positioning group comprises corner seats matched with four right angles of the frame respectively and corner seat flat plates convexly arranged on the tooling platform, the corner seat flat plates are provided with two corner seat flat plates, one corner seat flat plate correspondingly supports the lower plate of the frame, and the other corner seat flat plate correspondingly supports the upper plate of the frame;

the pull lug positioning group comprises a pull lug reference plate, a pull lug positioning seat and a fourth positioning shaft horizontally and transversely arranged in a positioning hole of the pull lug positioning seat, the pull lug positioning seats are arranged on two tool platforms respectively arranged outside the left side and the right side of the frame positioning group, the pull lug reference plate is arranged on two opposite surfaces of the pull lug positioning seat and respectively fixedly arranged below the fourth positioning shaft, and the installation height of the pull lug reference plate is higher than the outer side surface of the frame;

2. The garbage truck bucket assembly tailor-welding tool according to claim 1, wherein the upper cover part tool comprises a positioning bracket, and a front beam positioning set, a rear beam positioning set, an oil cylinder seat plate positioning set, a reinforcement pipe positioning set, a reinforcement beam positioning set, and an obtuse angle type positioning set which are respectively arranged on the positioning bracket, the positioning bracket is arranged on the tool platform, the top surface of the positioning bracket is a positioning table surface, and the positioning table surface is provided with an inclined table surface matched with a bent arm of the obtuse angle type and a horizontal table surface matched with a longitudinal beam of the obtuse angle type.

3. The garbage truck bucket assembly tailor welding tool of claim 2, wherein the obtuse angle type body positioning set comprises a longitudinal beam reference set arranged on a horizontal table surface and a bent arm reference set arranged on an inclined table surface.

4. The welding tool for the garbage truck bucket assembly according to claim 2, wherein the cylinder seat plate positioning group comprises a holding component for holding the verticality of the cylinder seat plate group relative to the horizontal table top, a turning positioning group for positioning a hinge hole in the cylinder seat plate group and a turning shaft sleeve on a turning hinge seat, and a pin sleeve positioning group for positioning a pin shaft component on the cylinder seat plate group, and the holding component, the turning positioning group and the pin sleeve positioning group are all arranged on the horizontal table top.

5. The welding tool for the garbage truck bucket assembly according to claim 4,

the overturning positioning group comprises two overturning positioning seats which are arranged on the horizontal table board in a bilateral symmetry mode relative to the central line of the upper cover and a first positioning shaft which is horizontally and transversely arranged in shaft holes of the two overturning positioning seats;

6. The garbage truck bucket assembly tailor-welding tool according to claim 1, wherein the guide rail dividing tool comprises two guide rail positioning groups which are arranged on the tool platform in bilateral symmetry with respect to the center line of the guide rail, each guide rail positioning group comprises a plurality of front and rear reference inner plates arranged at intervals and a plurality of front and rear pressing assemblies arranged at intervals, the outer end surfaces of the plurality of reference inner plates are arranged on a vertical plane parallel to the center line of the guide rail and serve as reference surfaces of the opening sides of the guide rail, the plurality of pressing assemblies are arranged on the tool platform on one side of the reference inner plates away from the center line of the guide rail, wherein the front reference inner plate and the front pressing assembly are arranged in a left-right opposite manner, and the front end surfaces of the two guide rail positioning groups, which are closest to the front reference inner plates, are arranged on the same vertical plane perpendicular.

7. The welding tool for the garbage truck bucket assembly according to claim 6, wherein each pressing component comprises a pressing seat and a pressing rod horizontally screwed in a threaded hole in the pressing seat.

8. The assembling process of the garbage truck bucket assembly by using the tailor welding tool for the garbage truck bucket assembly according to any one of claims 1 to 7 is characterized by comprising the following steps: