CN212398685U

CN212398685U - Auxiliary positioning assembly for assembling and welding net rack rod pieces

Info

Publication number: CN212398685U
Application number: CN202021212883.XU
Authority: CN
Inventors: 王华东; 韦会敏; 刘阳
Original assignee: Shandong Youlian Engineering Co ltd
Current assignee: Shandong Youlian Engineering Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-01-26
Anticipated expiration: 2030-06-28

Abstract

The utility model belongs to the technical field of steel construction rack member processing and specifically relates to rack member assembly welding assistance-localization real-time subassembly, including a bearing board the joint that moves about respectively in each recess on the two panels of bearing board has a bearing ball, the bearing ball is used for supporting the steel pipe lateral wall of tight rack member link firmly respectively on the operation platform in the both ends outside of bearing board one with the collinear spacing tight mechanism that supports of the central axis of bearing board, two spacing support and be equipped with a extensible member between the tight mechanism, wear out respectively at the both ends of extensible member link to each other with the spacing tight mechanism that supports of corresponding position department behind the two conical head pipes of rack member. This subassembly can realize the location to the both ends of rack member through two spacing tight mechanisms of supporting that set up, is convenient for realize fixed position when the welding, can realize the even roll to whole rack member at the welded in-process through the friction roller of design simultaneously to realize welding parts's regulation.

Description

Auxiliary positioning assembly for assembling and welding net rack rod pieces

Technical Field

The utility model belongs to the technical field of steel construction rack member processing and specifically relates to rack member assembly welding auxiliary positioning subassembly.

Background

The steel structure net rack is a space structure formed by connecting a plurality of net rack rod pieces through nodes according to a certain grid form, and basic units forming the net rack comprise triangular pyramids, triangular prisms, cubes, truncated quadrangular pyramids and the like, so that the structural performance of the net rack rods serving as main parts in the steel structure net rack determines the structural stability of the whole component to a great extent.

The net rack rod mainly comprises steel pipes, conical heads, sleeves, high-strength bolts, pin shafts and other parts. When the net rack rod piece is processed, the main processes of processing a conical head, processing and cutting a steel pipe, assembling and welding the rod piece, sandblasting and coating the rod piece and the like are generally included, wherein the overall structural strength and the quality of the net rack rod piece are determined to a great extent by the assembling and welding of the rod piece, and therefore, the improvement of the assembling and welding quality is also one of the main factors for ensuring the processing quality of the net rack rod piece.

The main operation of the assembly welding process is to assemble the conical heads at the two ends of the cut steel pipe respectively and realize stable welding on the assembly contact part, but in the traditional operation, the steel pipe is easy to shift when contacting with the conical heads, so that the problems of uneven welding seams, poor welding effect and the like of the welding part can be caused.

Therefore, the auxiliary positioning assembly for assembly welding of the working condition is specially designed for the problems in actual processing by the company, so that the assembly welding effect and quality are guaranteed, and the operation difficulty of assembly welding is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve one of above-mentioned technical problem, the technical scheme who adopts is: the auxiliary positioning assembly for the assembly welding of the net rack rod piece comprises a bearing plate with a longitudinal V-shaped section, the bearing plate is fixedly arranged on an operation platform through a mounting column, a bearing ball is movably clamped in each groove on the two face plates of the bearing plate respectively and used for tightly abutting against the outer side wall of the steel pipe of the net rack rod piece, the operating platforms at the outer sides of the two ends of the bearing plate are respectively fixedly connected with a limiting and abutting mechanism which is collinear with the central axis of the bearing plate, an expansion piece is arranged between the two limiting and abutting mechanisms, the steel pipe of the net rack rod piece is coaxially and detachably sleeved on the periphery of the expansion piece, two ends of the telescopic piece respectively penetrate through the two conical head pipes of the net rack rod piece and then are connected with the limiting and abutting mechanism at the corresponding position, the two limiting abutting mechanisms are matched with the telescopic piece to realize the assembling and positioning of the steel pipe of the net rack rod piece and the two conical pipes.

Preferably, a through slot hole is opened at the bottom of the middle section of the bearing plate, a friction roller is arranged in the through slot hole, the friction roller is used for abutting against the outer side wall of the steel pipe of the net rack rod piece placed on the friction roller, two ends of the friction roller are respectively inserted into rotating holes of two lug seats at corresponding positions through rotating shafts in a movable manner, the lug seats are fixedly connected with the operating platform, one side of the corresponding lug seat is extended out through the rotating shaft of one end of the friction roller in a movable manner, the lug seat is connected with a vertically arranged belt pulley assembly, and a driving belt pulley of the belt pulley assembly is fixedly connected with a motor shaft of a servo motor.

Preferably, the outer side wall surface of the rubbing roller is provided with a plurality of rubbing strips.

Preferably, the extensible member includes a screwed pipe with an inner cavity provided with an internal thread, a screw rod with an external thread on an outer side wall is screwed in the inner cavity of the screwed pipe, and the outer end of the screwed pipe and the outer end of the screw rod are movably matched and penetrate through a center hole of the conical pipe at the corresponding position and then are connected with the corresponding limiting and abutting mechanism.

Preferably, spacing tight mechanism of supporting includes a flexible electric jar the inner of the piston rod of flexible electric jar has linked firmly a joint slider, joint slider slip joint one with on the collinear linear guide of the central axis of bearing board the top of joint slider has linked firmly a spliced pole the top of spliced pole is closed soon and is installed one towards corresponding position department the fixed taper sleeve of awl head pipe, the taper sleeve is used for the butt cooperation to be in on the outer end lateral wall of awl head pipe, the central pipeline section of fixed taper sleeve passes through screw and the screw rod or the screwed pipe end connection that correspond position department.

And a lubricating layer is coated on the inner side wall of the taper sleeve.

The beneficial effects of the utility model are embodied in: this subassembly can realize the location to the both ends of rack member through two spacing tight mechanisms of supporting that set up, is convenient for realize fixed position when the welding, can realize the even roll to whole rack member at the welded in-process through the friction roller of design simultaneously to realize welding parts's regulation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a partial cross-sectional structure of a longitudinal center plane according to the present invention.

Fig. 3 is a schematic diagram of the side view structure of the present invention.

Fig. 4 is a schematic view of a partial top view structure of the present invention.

In the figure, 1, a supporting plate; 2. Mounting a column; 3. an operating platform; 4. Bearing the ball; 5. A net rack rod; 51. a steel pipe; 52. a conical tube; 6. a limiting and abutting mechanism; 61. a telescopic electric cylinder; 62. clamping the sliding block; 63. connecting columns; 64. a taper sleeve; 65. a central tube section; 7. a telescoping member; 71. a solenoid; 72. a screw; 8. the long hole is penetrated; 9. a rubbing roller; 10. an ear mount; 11. a pulley assembly; 12. a drive pulley; 13. a servo motor; 14. and rubbing the strips.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1-4, the auxiliary positioning assembly for grid member assembly welding comprises a supporting plate 1 with a vertical V-shaped cross section, the supporting plate 1 is fixedly mounted on an operating platform 3 through a mounting post 2, a supporting ball 4 is movably clamped in each groove on two panels of the supporting plate 1, the supporting ball 4 is used for abutting against the outer side wall of a steel pipe 51 of a grid member 5, a limiting abutting mechanism 6 collinear with the central axis of the supporting plate 1 is fixedly connected on the operating platform 3 at the outer side of two ends of the supporting plate 1, an expansion member 7 is arranged between the two limiting abutting mechanisms 6, the steel pipe 51 of the grid member 5 is coaxially and detachably sleeved on the periphery of the expansion member 7, two ends of the expansion member 7 penetrate through two cone-head pipes 52 of the grid member 5 respectively and then are connected with the limiting abutting mechanisms 6 at corresponding positions, the two limiting abutting mechanisms 6 are matched with the telescopic pieces 7 to realize the assembly and positioning of the steel pipe 51 and the two conical pipes 52 of the net rack rod piece 5.

The purpose of setting up bearing ball 4 is to play the supporting effect, realizes simultaneously with the point contact of rack member 5, the rack member 5 of being convenient for realizes rolling under the low resistance.

During installation, the telescopic part 7 is inserted into the steel pipe 51 of the net rack rod piece 5, then the two conical pipes 52 are respectively inserted on the outer side wall of the screw 72 or the spiral pipe 71, the inner end surfaces of the two conical pipes are respectively abutted against the end parts of the corresponding steel pipes 51, and at the moment, the screw 72 or the spiral pipe 71 is controlled to be respectively screwed and connected with the conical sleeve 64 at the corresponding position.

Before abutting, the screw pipe 71 and the screw rod 72 need to be screwed in firstly to realize primary locking, and the two telescopic electric cylinders 61 are started to control the piston rod to extend out and enable the two taper sleeves 64 to abut against the corresponding taper head pipes 52; after the tightening is completed, the servo motor 13 is controlled to rotate the friction roller 9, so that the net rack rod piece 5 is driven to rotate uniformly, after the preparation work is completed, the welding joint connection of the connection part of the conical head pipe 52 and the steel pipe 51 is realized through welding equipment or manpower, the uniform welding is finally completed, and the welding quality is effectively improved and the welding difficulty is reduced.

Preferably, a through slot hole 8 is opened at the bottom of the middle section of the supporting plate 1, a friction roller 9 is arranged in the through slot hole 8, the friction roller 9 is used for abutting against the outer side wall of the steel pipe 51 of the net rack rod piece 5 placed on the friction roller 9, two ends of the friction roller 9 are respectively inserted into rotary holes of two lug seats 10 at corresponding positions through rotating shafts in a movable manner, the lug seats 10 are fixedly connected with the operating platform 3, the rotating shaft of one end of the friction roller 9 stretches out of the lug seats 10 at one corresponding side and is connected with a vertically arranged belt pulley component 11, and a driving belt pulley 12 of the belt pulley component 11 is fixedly connected with a motor shaft of a servo motor 13.

The belt pulley assembly 11 is driven to move through the rotation of the servo motor 13, the friction roller 9 is finally driven to rotate, and the net rack rod piece 5 is driven to rotate through friction in the rotating process.

Preferably, the outer side wall surface of the rubbing roller 9 is provided with a plurality of rubbing strips 14.

The main purpose of the rub strip 14 is to increase the coefficient of friction, increase the friction, and reduce the likelihood of slippage during driving.

Preferably, the extensible member 7 includes a screw tube 71 having an inner cavity provided with an internal thread, a screw rod 72 having an external thread on an outer side wall is screwed in the inner cavity of the screw tube 71, and the outer end of the screw tube 71 and the outer end of the screw rod 72 are both movably fitted and penetrated out of the central hole of the conical tube 52 at the corresponding position and then connected to the corresponding limiting and abutting mechanism 6.

The screw 72 and the solenoid 71 are controlled to be screwed together to realize extension according to the difference of the length of the steel pipe 51 required to be welded at present, so that matching adjustment is realized.

Preferably, spacing tight mechanism 6 of supporting includes a flexible electric jar 61 the inner of the piston rod of flexible electric jar 61 has linked firmly a joint slider 62, joint slider 62 slip joint one with on the collinear linear guide 63 of the central axis of bearing board 1 the top of joint slider 62 has linked firmly a spliced pole 63 the top of spliced pole 63 closes soon and installs one towards corresponding position department taper sleeve 64 of cone pipe 52, taper sleeve 64 is used for the butt cooperation to be in on the outer end lateral wall of cone pipe 52, the central pipeline section 65 of taper sleeve 64 passes through screw and the screw rod 72 or the screwed pipe 71 end connection of corresponding position department.

The inner side wall of the taper sleeve 64 is coated with a lubricating layer. The main purpose of providing the lubricating layer is to reduce the friction force at the abutting part in the process of controlling the synchronous rotation of the steel pipe 51 and the conical head pipe 52; at the same time, by increasing the tightening force, the synchronous rotation of the steel pipe 51 and the conical head pipe 52 is ensured.

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: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification; to those skilled in the art, any alternative improvements or changes made to the embodiments of the present invention are all within the scope of the present invention.

The parts of the present invention not described in detail are the known techniques of those skilled in the art.

Claims

1. Net rack rod piece assembly welding auxiliary positioning subassembly, its characterized in that: comprises a bearing plate with a vertical V-shaped section, the bearing plate is fixedly arranged on an operation platform through a mounting column, a bearing ball is movably clamped in each groove on the two face plates of the bearing plate respectively and used for tightly abutting against the outer side wall of the steel pipe of the net rack rod piece, the operating platforms at the outer sides of the two ends of the bearing plate are respectively fixedly connected with a limiting and abutting mechanism which is collinear with the central axis of the bearing plate, an expansion piece is arranged between the two limiting and abutting mechanisms, the steel pipe of the net rack rod piece is coaxially and detachably sleeved on the periphery of the expansion piece, two ends of the telescopic piece respectively penetrate through the two conical head pipes of the net rack rod piece and then are connected with the limiting and abutting mechanism at the corresponding position, the two limiting abutting mechanisms are matched with the telescopic piece to realize the assembling and positioning of the steel pipe of the net rack rod piece and the two conical pipes.

2. The net rack rod assembly welding auxiliary positioning assembly of claim 1, characterized in that: the middle section bottom of bearing board has seted up one and has link up the slot hole in be equipped with a friction roller, the friction roller is used for propping tightly with the steel pipe lateral wall of placing the rack member above that, the both ends of friction roller are respectively through pivot activity cartridge in the trompil of the two ear seats of corresponding position department, two the ear seat links firmly operation platform, the pivot activity of the one end of friction roller stretches out its and corresponds one side the ear seat links to each other with the pulley subassembly of a vertical setting, the drive pulley of pulley subassembly links firmly with a servo motor's motor shaft.

3. The grid member assembly welding auxiliary positioning assembly of claim 2, wherein: and a plurality of friction strips are arranged on the surface of the outer side wall of the friction roller.

4. The grid member assembly welding auxiliary positioning assembly of claim 3, wherein: the telescopic piece comprises a spiral pipe with an inner cavity provided with an internal thread, a screw rod with an external thread on an outer side wall is screwed in the inner cavity of the spiral pipe, and the outer end of the spiral pipe and the outer end of the screw rod are movably matched and penetrate out of a center hole of the conical head pipe at a corresponding position and then are connected with the corresponding limiting and abutting mechanism.

5. The grid member assembly welding auxiliary positioning assembly of claim 4, wherein: spacing tight mechanism of supporting includes a flexible electric jar the inner of the piston rod of flexible electric jar has linked firmly a joint slider, joint slider slip joint one with on the collinear linear guide of the central axis of bearing board the top of joint slider has linked firmly a spliced pole the top of spliced pole is closed soon and is installed one towards corresponding position department the fixed taper sleeve of awl head pipe, the taper sleeve is used for the butt cooperation to be in on the outer end lateral wall of awl head pipe, the central pipeline section of fixed taper sleeve passes through screw and the screw rod or the screwed pipe end connection that correspond position department.