阅读说明：本技术 一种用于板单元船型焊的翻转装置及焊接工装 (Turnover device for ship-type welding of plate unit and welding tool ) 是由 刘建军 黄勇 汪樵风 于 2019-10-24 设计创作，主要内容包括：本发明公开了一种用于板单元船型焊的翻转装置及焊接工装,所述翻转装置包括至少一组举升机构,每组举升机构包括至少两个举升机构,每个所述举升机构具有一个支点,每组举升机构的至少两个举升机构平行设置且支点对齐,每组举升机构可以分别驱动板单元船型焊的胎架平台绕所述支点转动。该用于板单元船型焊的翻转装置及焊接工装结构简单,占用空间小,操作方便,角度调节和控制方便,安全可靠,焊接效率高。(The invention discloses a turnover device and a welding tool for ship welding of plate units, wherein the turnover device comprises at least one group of lifting mechanisms, each group of lifting mechanisms comprises at least two lifting mechanisms, each lifting mechanism is provided with a fulcrum, the at least two lifting mechanisms of each group of lifting mechanisms are arranged in parallel, the fulcrums are aligned, and each group of lifting mechanisms can respectively drive a jig frame platform for ship welding of the plate units to rotate around the fulcrums. The turnover device and the welding tool for ship-shaped welding of the plate units are simple in structure, small in occupied space, convenient to operate, convenient to adjust and control angles, safe, reliable and high in welding efficiency.)

1. A turning device for board unit ship type welding which characterized in that: the turnover device comprises at least one group of lifting mechanisms, each group of lifting mechanisms comprises at least two lifting mechanisms, each lifting mechanism is provided with a fulcrum, the at least two lifting mechanisms of each group of lifting mechanisms are arranged in parallel, the fulcrums are aligned, and each group of lifting mechanisms can respectively drive a jig frame platform of the ship-type welding of the plate unit to rotate around the fulcrums.

2. The turn-over apparatus of claim 1, wherein the fulcrum is provided at a lateral edge of a jig frame platform of the board unit ship-type welding.

3. The turnover device as claimed in claim 1, wherein the turnover device comprises two sets of lifting mechanisms, fulcrums of the two sets of lifting mechanisms are respectively disposed at both lateral edges of a jig frame platform of the board unit ship-type welding, and the two sets of lifting mechanisms can respectively drive the jig frame platform of the board unit ship-type welding to rotate in opposite directions around the fulcrums of the two sets of lifting mechanisms.

4. A turn-over apparatus as claimed in any one of claims 1 to 3, wherein the lifting mechanism comprises a support structure for supporting a jig bed for the board unit boat welding.

5. The turnover device of claim 4, wherein the lifting mechanism includes a lateral stop structure for defining a lateral position of a jig frame platform for the ship welding of the board units.

6. The flipping apparatus of claim 5, wherein the support structure is a support plate, and the limiting structure comprises a limiting plate disposed on a side of each lifting mechanism having a fulcrum.

7. The turnover device of claim 4, wherein the turnover device comprises a base, the lifting mechanism comprises a telescopic structure, the telescopic structure comprises a telescopic cylinder, a pull arm and a triangle fixing plate, one end of the telescopic cylinder is connected with the base, the other end of the telescopic cylinder is hinged to a first corner of the triangle fixing plate, one end of the pull arm is connected with the base, the other end of the pull arm is hinged to a second corner of the triangle fixing plate, and a third corner of the triangle fixing plate is hinged to the support structure.

8. The turnover device of claim 7, wherein the base includes a cross member, the hinge point of the telescopic cylinder and the base being below the cross member, and the hinge point of the pull arm and the base being above the cross member.

9. The turnover device of claim 8, wherein the triangle fixing plate comprises a first triangle fixing plate and a second triangle fixing plate, one end of the telescopic cylinder hinged with the triangle fixing plate is provided with a support shaft, the support shaft is arranged between the first triangle fixing plate and the second triangle fixing plate, and the telescopic cylinder is hinged with the triangle fixing plate through the support shaft;

the pull arms comprise a first pull arm and a second pull arm, the first pull arm and the second pull arm are symmetrically arranged on two sides of the telescopic oil cylinder, the first pull arm and the second pull arm are respectively connected with a first triangular fixing plate and a second triangular fixing plate, the first pull arm and the second pull arm comprise long arms, a middle plate and short arms, one end of the middle plate is connected with the long arms, the other end of the middle plate is connected with the short arms, the number of the long arms is two, the two long arms are respectively arranged on two sides of each triangular fixing plate, and the two long arms are hinged with the triangular fixing plates;

the cross beam comprises a first cross beam and a second cross beam, telescopic oil cylinder connecting seats are arranged below the first cross beam and the second cross beam, telescopic oil cylinder supports are arranged between the telescopic oil cylinder connecting seats, pull arm supports are arranged between the first cross beam and the second cross beam, and the pull arm supports are respectively connected with short arms of the first pull arm and the second pull arm.

10. The utility model provides a welding frock for board unit ship shape welds which characterized in that: the welding tool comprises the turnover device as claimed in any one of claims 1 to 9, and further comprises a jig frame platform.

Technical Field

The invention relates to a welding device, in particular to a turnover device and a welding tool for ship-shaped welding of a plate unit.

Background

In the welding of the plate unit, for the longitudinal seam welding of the panel and the ribbed rib (for example, U-rib reinforcement, open rib reinforcement, flat bar reinforcement, T-shaped rib reinforcement, etc.), in order to ensure the uniform size of the leg, avoid the collapse of the fillet due to flat fillet welding, and improve the productivity, the ship type welding is generally adopted, and the panel is turned over by a turning device from a horizontal state to an angle required for welding, for example, rotated by 45 ° to an inclined state, and is welded. Meanwhile, due to the fact that welding deformation and residual stress are large, the panel can be subjected to buckling deformation in the welding process, and a reverse deformation device is adopted in ship shape welding in the prior art. However, turning device among the prior art adopts middle part fulcrum structure more, and fulcrum ground clearance is too big, and the operation is difficult also unsafe, perhaps digs the pit on ground, sets up the turning device part in the below ground, and the installation is all inconvenient with the regulation, when welding to plate unit both sides, need overturn respectively to two directions, and angle modulation and control are also inconvenient, and welding efficiency is low. Therefore, there is a need for improvements in the prior art.

Disclosure of Invention

Aiming at the defects or the improvement requirements of the prior art, the invention provides the turnover device and the welding tool for the ship-shaped welding of the plate unit, which have the advantages of simple structure, convenience in operation, angle adjustment and control, safety, reliability and high welding efficiency.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the utility model provides a turning device for board unit ship type welds, turning device includes at least a set of lifting mechanism, and every lifting mechanism of group includes two at least lifting mechanism, every lifting mechanism has a fulcrum, and two at least lifting mechanism parallel arrangement and fulcrums of every lifting mechanism of group align, and every lifting mechanism of group can drive the bed-jig platform that board unit ship type welds respectively and wind the fulcrum rotates.

Specifically, the fulcrum is arranged at the transverse edge of the jig frame platform of the plate unit ship type welding.

Specifically, the turning device comprises two groups of lifting mechanisms, fulcrums of the two groups of lifting mechanisms are respectively arranged on two lateral side edges of a jig frame platform for ship welding of the plate unit, and the two groups of lifting mechanisms can respectively drive the jig frame platform for ship welding of the plate unit to rotate around the fulcrums of the two groups of lifting mechanisms in the opposite direction.

Specifically, the lifting mechanism comprises a support structure, and the support structure is used for supporting a jig frame platform of the plate unit ship type welding.

Specifically, the lifting mechanism comprises a transverse limiting structure, and the transverse limiting structure is used for limiting the transverse position of a jig frame platform of the plate unit ship type welding.

Specifically, the supporting structure is a supporting plate, the limiting structure comprises a limiting plate, and the limiting plate is arranged on one side of each lifting mechanism, which is provided with a fulcrum.

Specifically, turning device includes the base, lifting mechanism has extending structure, extending structure includes flexible hydro-cylinder, single arm-drag and triangle fixed plate, flexible hydro-cylinder one end is connected with the base, and the other end is articulated with the first angle of triangle fixed plate, single arm-drag one end is connected with the base, and the other end is articulated with the second angle of triangle fixed plate, the third angle of triangle fixed plate with bearing structure is articulated.

Specifically, the base includes the crossbeam, the pin joint of telescopic cylinder and base is in the crossbeam below, the pin joint of single arm-drag and base is in the crossbeam top.

Specifically, the triangle fixing plate comprises a first triangle fixing plate and a second triangle fixing plate, a supporting shaft is arranged at one end, hinged with the triangle fixing plate, of the telescopic oil cylinder, the supporting shaft is arranged between the first triangle fixing plate and the second triangle fixing plate, and the telescopic oil cylinder is hinged with the triangle fixing plate through the supporting shaft;

the pull arms comprise a first pull arm and a second pull arm, the first pull arm and the second pull arm are symmetrically arranged on two sides of the telescopic oil cylinder, the first pull arm and the second pull arm are respectively connected with a first triangular fixing plate and a second triangular fixing plate, the first pull arm and the second pull arm comprise long arms, a middle plate and short arms, one end of the middle plate is connected with the long arms, the other end of the middle plate is connected with the short arms, the number of the long arms is two, the two long arms are respectively arranged on two sides of each triangular fixing plate, and the two long arms are hinged with the triangular fixing plates;

the crossbeam includes first crossbeam and second crossbeam, first crossbeam and second crossbeam below have flexible hydro-cylinder connecting seat, flexible hydro-cylinder support has between the flexible hydro-cylinder connecting seat, two single arm-drag supports have between first crossbeam and the second crossbeam, two single arm-drag supports are connected with the short arm of first single arm-drag and second single arm-drag respectively.

The invention also provides a welding tool for ship-shaped welding of the plate unit, which comprises the turnover device and a jig frame platform.

The two lifting mechanisms of the invention are in one group, and the two groups of lifting mechanisms are oppositely arranged. After the plate unit is placed on the anti-deformation mechanism of the jig frame platform, the anti-deformation mechanism presses and deforms the plate unit in a straight state. The plate unit and the anti-deformation mechanism are fixed through the C-shaped hook, a jig frame platform for ship-shaped welding of the plate unit is placed on the first group of lifting mechanisms, the first group of two lifting mechanisms synchronously lift and turn the jig frame platform for ship-shaped welding of the plate unit to a certain angle under the driving of a hydraulic system, an outer welding gantry welding machine welds a welding seam on one side of the plate unit, and after the welding seam on one side of the plate unit is welded, the first group of lifting mechanisms synchronously descend to the horizontal position. And then the second group of lifting mechanisms lift the jig frame platform for the ship-shaped welding of the plate unit, and the plate unit is rotated to the welding position of the welding seam on the other side for welding. And after the welding seams of the plate units are welded, the second group of lifting devices synchronously descend to the horizontal position, and the plate units are horizontally lifted to other positions. The anti-deformation device is compact in structure, low in initial height and flexible in arrangement, and can flexibly change the distance between the two lifting mechanisms according to the size of a workpiece to lift the large workpiece to a required inclination angle.

Compared with the prior art, the turnover device and the welding tool for ship type welding of the plate unit have the advantages that:

(1) each turnover device is provided with two groups of lifting mechanisms, and each group of lifting mechanism is supported on one side of the jig frame platform, so that the turnover device is compact in structure, low in initial height, flexible in arrangement, large in bearing, stable and reliable, and saves space.

(2) Two lifting mechanisms are a set of, and two sets of lifting mechanisms set up relatively, incline the bed-jig platform to two directions respectively, realize the welding of U rib both sides welding seam, and it is more simple and convenient to operate, and control is more convenient, and welding efficiency is high, and manufacturing and cost of maintenance are low.

(3) The lifting mechanism is ingenious in structure, stable and reliable lifting is formed in a limited space, the lifting mechanism and the jig frame platform are separated independent parts, positioning is convenient, universality is high, and the distance between one group of two lifting mechanisms and the distance between two groups of lifting mechanisms can be flexibly changed according to the size of a workpiece.

Drawings

Fig. 1 is a schematic overall structure diagram of the welding tool for ship type welding of plate units according to the present invention.

Fig. 2 is a schematic side view of the overall structure of the welding tool for ship type welding of plate units according to the present invention.

Fig. 3 is a schematic view showing the overall structure of the turning device for ship welding of plate units according to the present invention.

Fig. 4 is a perspective view of the lifting mechanism of the present invention in a lifted state.

Fig. 5 is a schematic side view of the lifting mechanism of the present invention in a lifted state.

Fig. 6 is a schematic view of the lifting mechanism of the present invention in a horizontal position.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "lateral", "longitudinal", "top", "bottom", "inner", "outer", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. The interpretation of such words should be made at the discretion of the person skilled in the art.

In the present invention, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," "fixed," and the like are used in a broad sense to refer to those skilled in the art, and for example, "connected" may be fixedly connected, detachably connected, or integrally formed; "coupled" may be direct or indirect through an intermediary, and may be internal communication or interaction between two elements unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Taking the longitudinal fillet welding of the U-shaped rib plate unit of the bridge as an example, fig. 1 is a schematic view of the overall structure of the turnover device and the welding tool for ship-shaped welding of the plate unit. The welding tool comprises a turnover device 300 and a jig frame platform 200, wherein the turnover device 300 comprises a base 100 and a lifting device. The jig frame platform 200 for ship welding of the plate unit is placed on the turnover device 300, and the jig frame platform 200 is used to fix the plate unit 400. The jig frame platform can be provided with a reverse deformation mechanism fixing plate unit 400, so that the welding deformation is prevented. The lifting mechanism lifts the turnover device, and the jig frame platform 200 is turned over and inclined at a certain angle for the ship-shaped welding of the plate unit 400.

As shown in fig. 1-3, the lifting device is disposed on the base 100. The lifting device comprises at least one lifting mechanism 3000. Each lifting mechanism 3000 has a fulcrum 3001, the fulcrum 3001 being disposed at a lateral edge of the jig frame platform of the ship welding of the plate unit, the lifting mechanism 3000 further comprising a support structure for supporting the jig frame platform. The support structure in this embodiment is a support plate 3002, and the support plate 3002 is used to support a jig frame platform for the board unit ship welding. The lifting mechanism 3000 further comprises a lateral limiting structure for limiting the lateral position of the jig frame platform for the ship welding of the plate unit. In this embodiment, the limiting structure includes a limiting plate 3003, and the limiting plate 3003 is disposed on one side of the lifting mechanism 3000 having the fulcrum. As shown in the drawing, the support plate has a stopper plate 3003 on the fulcrum side. The lifting mechanism can drive the jig frame platform 200 of the board unit ship welds to rotate about the pivot 3001 to flip to the angle required for welding. The limiting plate 3003 can limit the transverse position of the jig frame platform for ship-shaped welding of the plate unit, and the structure is simple. The lifting mechanism and the jig frame platform are independent parts, so that the operation is simple and convenient, and the universality is high. At least two lifting mechanisms are longitudinally arranged along the jig frame platform for the ship-shaped welding of the plate unit, and the fulcrums of the at least two lifting mechanisms are arranged on the same side of the transverse direction of the jig frame platform for the ship-shaped welding of the plate unit. The lifting mechanisms 3000 are two sets, including a first set of lifting mechanisms 301 and a second set of lifting mechanisms 302. The fulcrums of the two groups of lifting mechanisms are respectively arranged on the two transverse sides of the jig frame platform of the plate unit ship-shaped welding. As shown in fig. 3, one set of lifting mechanisms is shown in a lifted state and the other set of lifting mechanisms is shown in a horizontal state. Preferably, two first lifting mechanisms and two second lifting mechanisms are respectively arranged along the longitudinal direction of the jig frame platform for the ship welding of the plate unit, the first lifting mechanism 301 comprises a first lifting mechanism 301a and a second lifting mechanism 301b, and the second lifting mechanism 302 comprises a third lifting mechanism 302a and a fourth lifting mechanism 302 b. Each group of lifting mechanisms can lift the jig frame platform welded by the ship-shaped plate unit and rotate around the fulcrum to incline for 45 degrees.

The two lifting mechanisms are in one group, and the two groups of lifting mechanisms are oppositely arranged. The lifting mechanism drives the oil cylinder to lift and keep the angle positioning through a hydraulic system. The jig frame platform for ship shape welding of the plate units is provided with a reverse deformation mechanism 201, and after the plate units 400 are placed on the reverse deformation mechanism 201, the reverse deformation mechanism presses and deforms the plate units in a straight state. The plate unit and the anti-deformation mechanism are fixed through the C-shaped hook 202, the jig frame platform after the plate unit is fixed is directly placed on the first group of lifting mechanisms, the first group of two lifting mechanisms synchronously lift the jig frame platform for ship-shaped welding of the plate unit to the same angle under the driving of a hydraulic system, the outer welding gantry welding machine welds a welding seam on one side of the plate unit, and after the welding seam on one side of the plate unit is welded, the first group of lifting mechanisms synchronously descend to the horizontal position. And then the second group of lifting mechanisms lift the jig frame platform for the ship-shaped welding of the plate unit, and the plate unit is rotated to the welding position of the welding seam on the other side for welding. After the welding seams of the plate units are welded, the second group of lifting devices synchronously descend to the horizontal position, so that the plate units can be conveniently and horizontally lifted to other positions. The anti-deformation device is compact in structure, low in initial height and flexible in arrangement, and can flexibly change the distance between the two lifting mechanisms according to the size of a workpiece to lift the large workpiece to a required inclination angle.

Specifically, as shown in fig. 4 to 5, each lifting mechanism 3000 has a telescopic structure. The telescopic structure comprises a telescopic oil cylinder 3011, a pull arm 3012 and a triangular fixing plate 3013. One end of the telescopic oil cylinder is connected with the base, and the other end of the telescopic oil cylinder is hinged with the first corner 3013A of the triangular fixing plate. One end of the pull arm is connected with the base, and the other end of the pull arm is hinged with a second corner 3013B of the triangular fixing plate. The third corner 3013C of the triangular fixing plate is hinged to the support structure, i.e., the support plate. Through the telescoping device who has the triangle fixed plate, can lift the bed-jig platform to required angle in limited space, bearing capacity is strong, lifts steadily, and control accuracy is high. The base 100 has a beam 101 thereon. The hinge point 101A of the telescopic oil cylinder and the base is arranged below the cross beam, and the hinge point 101B of the pull arm and the base is arranged above the cross beam.

Triangle fastening plate 3013 includes a first triangle fastening plate 3013a and a second triangle fastening plate 3013 b. One end of the telescopic oil cylinder 3011 hinged with the triangular fixing plate is provided with a supporting shaft 3014. The support shaft is arranged between the first triangle fixing plate and the second triangle fixing plate. The telescopic oil cylinder is hinged with the triangular fixing plate through a supporting shaft. Two triangular fixing plates are arranged, so that the connection is reliable, the lifting is stable, and the installation is convenient.

The pull arm 3012 includes a first pull arm 3012a and a second pull arm 3012 b. The first pull arm and the second pull arm are symmetrically arranged on two sides of the telescopic oil cylinder. The first pull arm and the second pull arm are respectively connected with the first triangular fixing plate and the second triangular fixing plate. The first pull arm 3012a and the second pull arm 3012b respectively include a long arm 3112, a middle plate 3212, and a short arm 3312. The long arm is connected to medium plate one end, and the short arm is connected to the medium plate other end. As shown in fig. 4, the long arms 3112 of the first pull arm 3012a and the second pull arm 3012b have two, including a first long arm and a second long arm. Two long arms are respectively arranged on two sides of each triangular fixing plate and are hinged with the triangular fixing plates. Through two set-square and two pull arm structures, compact structure, load distribution is even, and intensity is high, can form stable support in limited space.

The cross member 101 includes a first cross member 101a and a second cross member 101 b. Telescopic oil cylinder connecting seats are arranged below the first cross beam and the second cross beam, telescopic oil cylinder supporting seats 3015 are arranged between the telescopic oil cylinder connecting seats, pull arm supporting seats 3016 are arranged between the first cross beam and the second cross beam, and the pull arm supporting seats are respectively connected with short arms of the first pull arm and the second pull arm.

According to the turnover device and the welding tool for ship-type welding of the plate units, disclosed by the invention, each turnover device is provided with two groups of lifting mechanisms, and the fulcrum of each group of lifting mechanisms is arranged on one side of the jig platform, so that the turnover device is compact in structure, low in initial height, flexible in arrangement, large in bearing capacity, stable and reliable, and saves space. Two lifting mechanisms are a set of, and two sets of lifting mechanisms set up relatively, slope bed-jig platform to two directions respectively, realize the welding of board unit both sides welding seam, and it is more simple and convenient to operate, and control is more convenient, and welding efficiency is high, and manufacturing and cost of maintenance are low. The lifting mechanism is ingenious in structure, stable and reliable lifting is formed in a limited space, the lifting mechanism and the jig frame platform are separated independent parts, positioning is convenient, universality is high, and the distance between one group of two lifting mechanisms and the distance between two groups of lifting mechanisms can be flexibly changed according to the size of a workpiece.

It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.