CN218396762U

CN218396762U - Turning device for welding large-diameter circular steel plate bin

Info

Publication number: CN218396762U
Application number: CN202222197530.2U
Authority: CN
Inventors: 曹嘉平; 赵森; 邢艳青; 董其录; 王海军
Original assignee: Tianjin Cement Industry Design and Research Institute Co Ltd
Current assignee: Tianjin Cement Industry Design and Research Institute Co Ltd
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2023-01-31
Anticipated expiration: 2032-08-17

Abstract

The utility model discloses a slewer is used in welding of circular steel sheet storehouse of major diameter, including annular bottom plate and a plurality of supporting gyration subassemblies of welding on annular bottom plate, supporting gyration subassembly includes the bearing, support post and gyro wheel, annular bottom plate is formed by the concatenation of polylith arc, annular bottom plate and the welding of bearing bottom, bolted connection is passed through with the support post bottom in the bearing top, support post top both sides are provided with the semi-circular sliding bearing seat with roller shaft complex, the gyro wheel makes it rotate on the support post with roller shaft interference fit, gyro wheel face both ends are provided with the flange, make the gyro wheel form the recess that can block storehouse body burst by automatic centering between two flanges. The utility model discloses a components of a whole that can function independently package assembly, the removal of the whole device of being convenient for can solve the problem of the different diameters of load through adjustment support gyration subassembly number and position, and slewer does not receive steel sheet storehouse gross weight and the restriction of steel sheet storehouse diameter, and overall stability is good, and the work piece gyration is steady, and the welder of being convenient for welds at fixed position.

Description

Turning device for welding large-diameter circular steel plate bin

Technical Field

The utility model relates to an engineering construction job site group is to welding mould technical field, especially relates to a slewer is used in welding of circular steel sheet storehouse of major diameter.

Background

The steel plate bin is common in a cement production line and a concrete aggregate production line at present, and as the diameter is about 6m-20m, road limitation is considered during shipment, the whole delivery can not be carried out, and ground assembly welding is required after the steel plate bin arrives at a site. But the field assembly platform can not rotate, so that the rotating workpiece can not rotate during welding. The workpiece can not rotate, so that the distance between some welding seams and a building is insufficient to weld in some places with narrow fields, and especially, the welding of some welding seams is more difficult when new equipment is installed in an old building.

The existing workpiece rotary welding is mostly used for factory processing and manufacturing, and the diameter of a rotary body is small, so that the rotary welding cannot be used for a large-diameter steel plate bin. And the factory is mostly with rotating the mould and is overall structure, is not suitable for often removing.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the problem that prior art exists, provide one kind can assemble, can make the work piece steady gyration, the back-up piece has the round steel sheet storehouse of major diameter slewer for welding of high interchangeability, the device adopts components of a whole that can function independently package assembly, the removal of the whole device of being convenient for to can be applicable to different diameter steel sheet storehouses through assembling.

The utility model discloses a realize like this, a slewer is used in welding of circular steel sheet storehouse of major diameter, including annular bottom plate and the welding a plurality of supporting gyration subassemblies on annular bottom plate, supporting gyration subassembly includes bearing, support post and gyro wheel, annular bottom plate is formed by the concatenation of polylith arc, annular bottom plate welds with the bottom of bearing, bolted connection is passed through with the bottom of support post in the top of bearing, the top both sides of support post be provided with roller shaft complex semi-circular sliding bearing frame, the gyro wheel makes it rotate on the support post with roller shaft interference fit, the wheel face both ends of gyro wheel are provided with the flange, make the gyro wheel form the recess that can block storehouse body burst by automatic centering between two flanges.

Preferably, a plurality of adjusting backing plates are arranged between the top of the supporting seat and the bottom of the supporting column, and the adjusting backing plates are connected with the supporting seat and the supporting column through bolts.

Preferably, the roller is a steel solid roller.

Preferably, the two side surfaces of the roller are provided with bosses.

Preferably, the support columns comprise support column bottom plates and hollow square columns, the square columns are welded on the support column bottom plates, and stiffening rib plates are welded between the square columns and the support column bottom plates.

Preferably, the supporting seat comprises I-shaped steel and a supporting seat top plate, and the supporting seat top plate is welded on the I-shaped steel.

The utility model has the advantages and positive effects that:

1. the annular bottom plate of the utility model is formed by splicing a plurality of arc-shaped plates, and the annular bottom plate is directly welded with the supporting seat, thereby enhancing the overall stability and avoiding the overturning of the supporting column; the supporting seat is connected with the supporting columns through bolts, so that the elevation of the top can be adjusted by using the adjusting base plate, the heights of the top surfaces of the plurality of supporting columns are consistent, the unbalanced stress of the support is reduced, and the steel plate bin can conveniently and stably rotate;

2. the roller of the utility model is a solid steel roller with large bearing capacity, the surface of the roller adopts a double-flange structure, the bin body is divided into pieces which are in place and automatically centered, and the bin body rotates in a centering way without slipping; the design of a lug boss on the side surface of the roller is adopted, so that the friction between the roller and the inner side wall of the supporting column is reduced, and the roller can rotate flexibly; the roller is in interference fit with the roller shaft and is separately processed, so that the material consumption is reduced;

3. the rotary device of the utility model adopts a split assembly structure, which is convenient for the movement of the whole device, and can solve the problems of different diameters of loads by adjusting the number and the position of the rotary components of the supporting and supporting, the rotary device is not limited by the total weight of the steel plate bin and the diameter of the steel plate bin, the whole stability of the rotary device is good, the workpiece rotates stably, and the welding gun can be conveniently welded at a fixed position;

4. the rotary device of the utility model can be additionally provided with an automatic welding device when the conditions allow, thus realizing semi-automatic welding, and can also be additionally provided with an electric rotary driving device, thus realizing continuous rotation and meeting the requirements of full-automatic welding; the utility model discloses a slewer can be applicable to different diameter steel sheet storehouses through assembling, can make steady gyration of work piece, supporting gyration subassembly have high interchangeability.

Drawings

Fig. 1 is a schematic structural view of a turning device for welding a large-diameter circular steel plate silo according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a supporting and revolving assembly and an annular bottom plate according to an embodiment of the present invention;

FIG. 3 is a top view of FIG. 2;

fig. 4 is a left side view of fig. 2.

In the figure: 1. an annular base plate; 2. supporting the slewing assembly; 21. a supporting seat; 211. i-shaped steel; 212. a supporting seat top plate; 22. a support column; 221. a support column base plate; 222. a square column; 223. a stiffening rib plate; 224. a sliding bearing seat; 23. adjusting the base plate; 24. a roller; 241. a flange; 242. a groove; 243. a boss; 25. a roller shaft; 3. and (4) bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

At present, the steel plate bin field assembly is mainly installed by a forward installation method (from bottom to top) and a reverse installation method (firstly installing the top, then integrally lifting, and installing a lower-part connected shell), no matter which construction method is adopted, most of workpieces are fixed during welding, and welding personnel or machines weld around the workpieces. This kind of welding is not suitable for semi-automatic welding or automatic weld very much, and this problem then can be solved in the work piece gyration, the utility model discloses can make the work piece stabilize the gyration, use 10m diameter steel sheet storehouse as the example below, explain.

Referring to fig. 1 to 4, an embodiment of the present invention provides a turning device for welding a large-diameter circular steel plate silo, which includes an annular bottom plate 1 and a plurality of supporting turning assemblies 2 welded on the annular bottom plate 1.

The supporting and slewing assembly 2 comprises a supporting seat 21, a supporting column 22 and rollers 24, the annular bottom plate 1 is formed by splicing a plurality of arc-shaped plates, and the annular bottom plate 1 is directly welded with the bottom of the supporting seat 21 so as to enhance the overall stability and avoid the overturning of the supporting column 22. The top of bearing 21 and the bottom of supporting post 22 are connected through bolt 3, and this embodiment can set up a plurality of adjusting shim plate 23 between the top of bearing 21 and the bottom of supporting post 22 as required, adjusting shim plate 23 passes through bolt 3 with bearing 21 and supporting post 22 and is connected, through adjusting shim plate 23 adjusting device top elevation, can guarantee that a plurality of supporting post 22 top surfaces are highly unanimous, reduces the eccentric weight stress of supporting, the steady gyration of the steel plate storehouse of being convenient for.

The two sides of the top of the support column 22 are provided with semicircular sliding bearing seats 224 matched with the roller shafts 25, the roller shafts 25 are embedded in the sliding bearing seats 224, the rollers 24 and the roller shafts 25 are in interference fit to enable the rollers to rotate on the support column 22, and the rollers 24 and the roller shafts 25 are separately processed, so that the material consumption is reduced. Flanges 241 are arranged at two ends of the wheel surface of the roller 24, so that a groove 242 capable of automatically centering and clamping the bin body is formed between the two flanges 241 of the roller 24. The idler wheel 24 is a solid steel idler wheel 24, the bearing capacity is large, the surface of the idler wheel 24 adopts a double-flange 241 structure, so that the bin body is in place and automatically centered, and the bin body rotates in a centering manner without slipping. The two side surfaces of the roller 24 (i.e. the positions close to the roller shaft 25) are provided with bosses 243 for reducing the friction between the roller 24 and the inner side wall of the support column 22, so that the roller 24 can rotate flexibly.

The support column 22 comprises a support column base plate 221 and a hollow square column 222, the square column 222 is welded on the support column base plate 221, and a stiffening rib plate 223 is welded between the square column 222 and the support column base plate 221, so that the overall strength of the support column 22 is enhanced.

The supporting seat 21 comprises an I-shaped steel 211 and a supporting seat top plate 212, the supporting seat top plate 212 is welded on the I-shaped steel 211, the supporting seat 21 is conveniently welded on the annular bottom plate 1, and the supporting seat is conveniently connected with the supporting column 22.

The utility model discloses a 2 biggest 4t that bear of single supporting gyration subassembly, the steel sheet storehouse body of storehouse group becomes the cyclization on a plurality of (at least 3) supporting gyration subassemblies 2, and artifical promotion can make the storehouse body gyration. In consideration of the cost problem, an electric chain block pulling and pulley block speed reducing mechanism is generally adopted during construction to realize intermittent rotation, and the rotation speed is matched with the fixed position of a welding gun for continuous welding. And an electric rotary drive can be additionally arranged to realize continuous rotation so as to meet the requirements of full-automatic welding.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is also possible to modify the solutions described in the foregoing embodiments or to substitute some or all of the technical features of the foregoing embodiments with equivalents, without departing from the scope of the embodiments of the present invention.

Claims

1. The slewing device for welding the large-diameter circular steel plate bin is characterized by comprising an annular bottom plate and a plurality of supporting slewing assemblies welded on the annular bottom plate, wherein each supporting slewing assembly comprises a supporting seat, a supporting column and a roller, each annular bottom plate is formed by splicing a plurality of arc-shaped plates, the annular bottom plate is welded with the bottom of the supporting seat, the top of each supporting seat is connected with the bottom of the corresponding supporting column through a bolt, semicircular sliding bearing seats matched with roller shafts are arranged on two sides of the top of each supporting column, the rollers are in interference fit with the roller shafts to enable the rollers to rotate on the supporting columns, and flanges are arranged at two ends of the wheel faces of the rollers to enable the rollers to form a groove capable of automatically centering and clamping bin body fragments between the two flanges.

2. The rotating device for welding the large-diameter circular steel plate bin as claimed in claim 1, wherein a plurality of adjusting base plates are arranged between the top of the supporting seat and the bottom of the supporting column, and the adjusting base plates are connected with the supporting seat and the supporting column through bolts.

3. The rotating device for welding the large-diameter circular steel plate bin as claimed in claim 1, wherein the roller is a steel solid roller.

4. The rotating device for welding the large-diameter circular steel plate bin as claimed in claim 1, wherein bosses are arranged on two side surfaces of the roller.

5. The rotating device for welding the large-diameter circular steel plate bin as claimed in claim 1, wherein the support column comprises a support column bottom plate and a hollow square column, the square column is welded on the support column bottom plate, and a stiffening rib plate is welded between the square column and the support column bottom plate.

6. The rotating device for welding the large-diameter circular steel plate bin as claimed in claim 1, wherein the supporting seat comprises I-shaped steel and a supporting seat top plate, and the supporting seat top plate is welded on the I-shaped steel.