CN118664242A - Auxiliary device and method for welding and installing curved round steel keels - Google Patents

Abstract

An auxiliary device and method for welding and installing a curved round steel keel relate to the field of welding devices. The welding installation auxiliary device for the curved round steel keels comprises a connecting bottom plate, a pair of directional wheels connected with the connecting bottom plate and at least one universal wheel connected with the connecting bottom plate, wherein the top of the connecting bottom plate is connected with at least two pairs of connecting sleeves, the top of each connecting sleeve is connected with a supporting screw rod which moves along the height direction when rotating, and the top of each pair of supporting screw rods is connected with a detachable rotating supporting mechanism; the rotary supporting mechanism comprises rotary bases, rotary sleeves sleeved on the corresponding two supporting screws in a sliding mode are respectively arranged at the bottoms of the rotary bases, and arc-shaped round steel keel supporting plates and rotary mechanisms used for driving the round steel keel supporting plates to rotate around the axes of the round steel keel supporting plates are arranged at the tops of the rotary bases; the round steel keel supporting plates of the rotary supporting mechanisms are coaxially arranged. The auxiliary device and the method for welding and installing the curved round steel keels can stably support the steel pipes for welding so as to obtain the curved keels.

Description

Curved round steel keel welding installation auxiliary device and method

Technical Field

The present application relates to the field of welding devices, and in particular to a curved round steel keel welding and installation auxiliary device and method.

Background Art

Steel structure roof is a new type of roof in the construction field. Compared with traditional reinforced concrete roof, it has many advantages such as light weight, fast construction speed, good earthquake resistance, etc., which can well meet the requirements of concrete frame structure for roof. Large diameter steel round tubes are widely used in steel structure roof as the main keel of steel grid shell roof.

In the traditional round steel keel welding and hoisting process, when welding operations are performed on the ground, the weld butt joint accuracy is low and cannot meet the weld requirements of complex shapes. 360° welds are difficult and inefficient. When installing at high altitudes, the installation accuracy is low, the keel node positioning is inaccurate, and adjustment is difficult.

Summary of the invention

The purpose of the present application is to provide a curved round steel keel welding and installation auxiliary device and method, which can stably support steel pipes for welding to obtain curved keels, and has the advantages of high positioning accuracy, good supporting stability and high welding operation efficiency.

This application is implemented as follows:

The present application provides a curved round steel keel welding and installation auxiliary device, which includes a connecting base plate, a pair of directional wheels rotatably connected to the bottom of the connecting base plate and at least one universal wheel rotatably connected to the bottom of the connecting base plate, at least two pairs of connecting sleeves are connected to the top of the connecting base plate, the top of each connecting sleeve is connected to a supporting screw through a thread, the supporting screw is configured to move along the height direction when rotating, and the top of each pair of supporting screws is connected to a detachable rotating support mechanism; the rotating support mechanism includes a rotating base, the bottom of the rotating base is respectively provided with rotating sleeves slidably sleeved on the corresponding two supporting screws, the top of each rotating base is provided with an arc-shaped round steel keel support plate and a rotating mechanism for driving the round steel keel support plate to rotate around its axis; the round steel keel support plates of each rotating support mechanism are coaxially arranged.

In some optional embodiments, an arc-shaped sliding groove is provided on the top of the rotating base, and the bottom of the round steel keel support plate is connected to a fan-shaped angle dial sliding in the sliding groove, and an angle scale is provided on the angle dial.

In some optional embodiments, the rotating mechanism includes an arc-shaped rack disposed on the top of the rotating base, a rotating shaft rotatably connected to the angle dial, and an angle adjustment gear sleeved on the rotating shaft, and the angle adjustment gear is meshed with the arc-shaped rack.

In some optional embodiments, the round steel keel support plate is threadedly connected with at least one fixing bolt, and the fixing bolt is configured to move radially along the round steel keel support plate when rotating.

In some optional embodiments, each supporting screw is sleeved with a rotation adjustment sleeve, and the rotation adjustment sleeve is connected to at least one height adjustment wrench.

In some optional embodiments, at least one cross-shaped reinforcing rod is further included, and the reinforcing rod is respectively connected to the outer walls of two pairs of adjacent connecting sleeves.

In some optional embodiments, it also includes an aerial work platform with at least two scaffolding sleeves at the bottom, the top surface of the aerial work platform is provided with a slide board that can move along its length direction and a translation mechanism for driving the slide board to move along the length direction of the aerial work platform, the top of the slide board is connected to a pair of height adjustment sleeves, the top of the height adjustment sleeve is threadedly connected to a height adjustment screw, the height adjustment screw is configured to move along the height direction when rotated, and the rotating support mechanism is detachably connected to the top of the pair of height adjustment screws.

In some optional embodiments, the translation mechanism includes a length rack extending along the length direction of the aerial work platform and an adjustment shaft rotatably connected to the height adjustment sleeve, and the adjustment shaft is provided with a length adjustment gear meshing with the length rack.

The present application also provides a method for welding and installing a curved round steel keel, which is performed using the above-mentioned curved round steel keel welding and installation auxiliary device, and includes the following steps:

Use the directional wheels and universal wheels to move the connecting base plate to drive the rotating support mechanism to move to a preset position;

Rotate each support screw to move it in the height direction and drive the rotary support mechanism to move to a preset height;

The large diameter steel round pipe is suspended on the round steel keel support plate of the top rotation support mechanism of each pair of support screws for support, and a wedge is added to the round steel keel support plate to arrange and fix the large diameter steel round pipe and the round steel keel support plate coaxially;

The rotating mechanism is controlled to drive the round steel keel support plate to drive the large diameter steel round pipe to rotate around its axis to a preset angle, and the large diameter steel round pipe is welded.

The beneficial effects of the present application are as follows: the curved round steel keel welding and installation auxiliary device provided by the present application comprises a connecting base plate, a pair of directional wheels rotatably connected to the bottom of the connecting base plate, and at least one universal wheel rotatably connected to the bottom of the connecting base plate, the top of the connecting base plate is connected with at least two pairs of connecting sleeves, the top of each connecting sleeve is connected with a support screw by threading, the support screw is configured to move in the height direction when rotating, and the top of each pair of support screws is connected with a detachable rotating support mechanism; the rotating support mechanism comprises a rotating base, the bottom of the rotating base is respectively provided with a rotating sleeve slidably sleeved on the corresponding two support screws, the top of each rotating base is provided with an arc-shaped round steel keel support plate and a rotating mechanism for driving the round steel keel support plate to rotate around its axis; the round steel keel support plates of each rotating support mechanism are coaxially arranged. The curved round steel keel welding and installation auxiliary device and method provided by the present application can stably support steel pipes for welding to obtain curved keels, and has the advantages of high positioning accuracy, good support stability and high welding operation efficiency.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

FIG1 is a schematic diagram of the structure of a rotating support mechanism installed on a connecting bottom plate in a curved round steel keel welding and installation auxiliary device provided in an embodiment of the present application;

FIG2 is a schematic diagram of the connection structure of the connecting base plate, the connecting sleeve and the supporting screw in the curved round steel keel welding and installation auxiliary device provided in an embodiment of the present application;

FIG3 is a schematic structural diagram of a rotating support mechanism in a curved round steel keel welding and installation auxiliary device provided in an embodiment of the present application;

4 is a schematic structural diagram of a rotating support mechanism in a curved round steel keel welding and installation auxiliary device provided in an embodiment of the present application installed on an aerial work platform.

In the figure: 100, connecting base plate; 110, directional wheel; 120, universal wheel; 130, connecting sleeve; 140, supporting screw; 150, rotating adjustment sleeve; 160, height adjustment wrench; 170, reinforcing rod; 200, rotating base; 210, rotating sleeve; 220, round steel keel support plate; 230, sliding groove; 240, rotating angle dial; 250, arc rack; 260, rotating shaft; 270, angle adjustment gear; 280, fixing bolt; 300, aerial work platform; 310, scaffolding sleeve; 320, sliding plate; 330, height adjustment sleeve; 340, height adjustment screw; 350, length rack; 360, adjusting shaft; 370, length adjustment gear; 380, horizontal slide; 400, scaffolding top rod.

DETAILED DESCRIPTION

In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not require further definition and explanation in the subsequent drawings.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

The features and performance of the curved round steel keel welding and installation auxiliary device and method of the present application are further described in detail below in conjunction with the embodiments.

As shown in Figures 1, 2, 3 and 4, an embodiment of the present application provides a curved round steel keel welding installation auxiliary device, which includes a connecting base plate 100, a pair of directional wheels 110 rotatably connected to both sides of the bottom of one end of the connecting base plate 100, and a pair of universal wheels 120 rotatably connected to both sides of the bottom of the other end of the connecting base plate 100, the directional wheels 110 and the universal wheels 120 are respectively connected to brake mechanisms, two pairs of connecting sleeves 130 are connected to the top of the connecting base plate 100, the two pairs of connecting sleeves 130 are connected to cross-shaped reinforcing rods 170, and the four ends of the reinforcing rods 170 are respectively connected to the outer walls of the two pairs of connecting sleeves 130, and the top of each connecting sleeve 130 is connected to a support screw 140 by a thread, and the support screw 140 moves in the height direction when rotating, and each support screw 140 is sleeved with a rotation adjustment sleeve 150, and two symmetrically arranged height adjustment wrenches 160 are connected to the two ends of the rotation adjustment sleeve 150;

A detachable rotating support mechanism is connected to the top of each pair of support screws 140; the rotating support mechanism includes a rotating base 200, and the bottom of the rotating base 200 is respectively provided with two rotating sleeves 210 slidably mounted on two corresponding support screws 140, and each rotating base 200 is provided with an arc-shaped round steel keel support plate 220 and a rotating mechanism for driving the round steel keel support plate 220 to rotate around its axis on the top; the round steel keel support plates 220 of each rotating support mechanism are coaxially arranged. An arc-shaped sliding groove 230 is provided at the top of the rotating base 200, and a fan-shaped angle dial 240 slidingly arranged in the sliding groove 230 is connected to the bottom of the round steel keel support plate 220. An angle scale is provided on the angle dial 240. The rotating mechanism includes an arc-shaped rack 250 provided at the top of the rotating base 200, a rotating shaft 260 rotatably connected to the angle dial 240, and an angle adjustment gear 270 sleeved on the rotating shaft 260. The angle adjustment gear 270 is meshed with the arc-shaped rack 250. When the angle adjustment gear 270 rotates, it moves along the arc-shaped rack 250 to drive the rotating shaft 260, the angle dial 240 and the round steel keel support plate 220 to rotate clockwise or counterclockwise around the axis by 10 degrees; both ends of the round steel keel support plate 220 are respectively connected with a fixing bolt 280 through a thread, and the fixing bolt 280 moves radially along the round steel keel support plate 220 when rotating.

The curved round steel keel welding and installation auxiliary device also includes an aerial work platform 300 with five scaffolding sleeves 310 arranged at intervals at the bottom, the scaffolding sleeves 310 are used to be mounted and fixed on the scaffolding top rod 400, the top surface of the aerial work platform 300 is provided with a slide plate 320 that can move along its length direction and a translation mechanism for driving the slide plate 320 to move along the length direction of the aerial work platform 300, the top surface of the aerial work platform 300 is provided with a horizontal slide groove 380 extending along its length direction, the slide plate 320 is slidably arranged in the horizontal slide groove 380 and a pair of height adjustment sleeves 330 are connected to the top, and the top of the height adjustment sleeve 330 is connected by a thread There is a height adjustment screw 340, which moves along the height direction of the height adjustment sleeve 330 when rotating. A rotation adjustment sleeve 150 is sleeved on each height adjustment screw 340, and two symmetrically arranged height adjustment wrenches 160 are connected to both ends of the rotation adjustment sleeve 150; the rotation support mechanism is detachably connected to the top of a pair of height adjustment screws 340; the translation mechanism includes a length rack 350 extending along the length direction of the aerial work platform 300 and an adjustment shaft 360 rotatably connected to the height adjustment sleeve 330, and the adjustment shaft 360 is sleeved with a length adjustment gear 370 meshing with the length rack 350.

The embodiment of the present application also provides a method for welding and installing a curved round steel keel, which is performed using the above-mentioned curved round steel keel welding and installation auxiliary device, and includes the following steps:

After the fixed wheels 110 and the universal wheels 120 are used to move the connecting base plate 100 to drive the rotating support mechanism to move to a preset position, the fixed wheels 110 and the universal wheels 120 are used to lock the fixed connecting base plate 100 using the brake mechanism;

Push the height adjustment wrench 160 to drive the rotation adjustment sleeve 150 and the support screw 140 to rotate, so that each support screw 140 moves in the height direction to drive the top support rotation support mechanism to move to a preset height;

The large diameter steel round pipe is suspended on the two round steel keel support plates 220 of the top rotating support mechanism of the two pairs of support screws 140 for support, and the four fixing bolts 280 are rotated to make the fixing bolts 280 move radially along the round steel keel support plate 220 to press and fix the outer wall of the large diameter steel round pipe, and then a wedge is added to the round steel keel support plate 220 to arrange and fix the large diameter steel round pipe coaxially with the round steel keel support plate 220;

The rotating shaft 260 in the control rotating mechanism drives the angle adjustment gear 270 to move along the meshing arc-shaped rack 250, thereby driving the angle dial 240 to rotate along the arc-shaped sliding groove 230 through the angle adjustment gear 270 and the rotating shaft 260, driving the round steel keel support plate 220 to drive the fixed large-diameter steel round pipe to rotate along the arc-shaped sliding groove 230, that is, to rotate around the axis to a preset angle, thereby rotating the large-diameter steel round pipe to the preset angle, and the large-diameter steel round pipe can be welded.

When the angle of the large-diameter steel round tube driven and supported by the round steel keel support plate 220 to rotate clockwise or counterclockwise is greater than 10 degrees, the fixing bolts 280 at both ends of the previous round steel keel support plate 220 can be loosened to stop fixing the large-diameter steel round tube, and then the round steel keel support plate 220 can be rotated in the opposite direction to drive the angle adjustment gear 270 and the rotating shaft 260 to reset, and the fixing bolts 280 at both ends of the next round steel keel support plate 220 can be tightened to drive the fixed large-diameter steel round tube to rotate 10 degrees along the arc-shaped sliding groove 230, and then the fixing bolts 280 at both ends of the previous round steel keel support plate 220 can be tightened to fix the large-diameter steel round tube, and the next round steel keel support plate can be loosened. After the fixing bolts 280 at both ends of the plate 220 are tightened, the round steel keel support plate 220 is rotated in the opposite direction to drive the angle adjustment gear 270 and the rotating shaft 260 to reset, and the previous round steel keel support plate 220 that is tightened with the fixing bolts 280 drives the fixed large-diameter steel round pipe to rotate 10 degrees along the arc-shaped sliding groove 230. Repeat the above process, and the fixing bolts 280 at both ends of the two round steel keel support plates 220 can be used alternately to fix the large-diameter steel round pipe to rotate, and the 360-degree rotation welding operation of the large-diameter steel round pipe can be completed. After welding is completed, the brake mechanism is controlled to stop locking the directional wheel 110 and the universal wheel 120, and the connecting bottom plate 100 is moved to the storage position;

When it is necessary to install large-diameter steel round pipes for aerial work, the aerial work platform 300 is fixed on the scaffolding top rod 400 through the five scaffolding sleeves 310 set at the bottom, and then the rotating support mechanism is hoisted to the two rotating support mechanisms at the bottom and slidably sleeved on the two height adjustment screws 340. The length adjustment gear 370 is rotated to move it along the length rack 350 to drive the height adjustment sleeve 330 and the slide plate 320 to move to the preset position along the horizontal slide groove 380. The height adjustment screw 340 is rotated to move in the height direction to drive the rotating support mechanism to move to the preset height. The round steel keel assembled and welded on the ground is hoisted and placed on the two round steel keel support plates 220 of the rotating support mechanism for support, and the four The fixing bolt 280 makes the fixing bolt 280 move radially along the round steel keel support plate 220 to press against the outer wall of the fixed round steel keel, and then a wedge block is added to the round steel keel support plate 220 to arrange and fix the round steel keel coaxially with the round steel keel support plate 220; the rotating shaft 260 in the control rotation mechanism drives the angle adjustment gear 270 to move along the meshing arc-shaped rack 250, thereby driving the angle dial 240 to rotate along the arc-shaped sliding groove 230 through the angle adjustment gear 270 and the rotating shaft 260, driving the round steel keel support plate 220 to drive the fixed round steel keel to rotate along the arc-shaped sliding groove 230, that is, to rotate around the axis to a preset angle, thereby rotating the round steel keel to the preset angle, and the round steel keel can be welded and fixed to the steel structure roof.

The curved round steel keel welding and installation auxiliary device and method provided in the embodiment of the present application adopts directional wheels 110 and universal wheels 120 to support the movement of the connecting base plate 100, and two pairs of connecting sleeves 130 and supporting screws 140 with adjustable heights are arranged on the top of the connecting base plate 100, and round steel keel support plates 220 for supporting and fixing round tubes and round steel keels are respectively connected to the tops of the two pairs of supporting screws 140, and a rotating mechanism is arranged to drive the round steel keel support plate 220 to drive the fixed round tubes and round steel keels to rotate to a preset angle, so as to solve the problems that the traditional welding auxiliary device is inconvenient to move during the welding process of the curved keel and the keel is not supported in place, and solves the problem that the traditional welding auxiliary device does not accurately support and fix the deformed parts of the curved keel, and solves the problem that the keel is not easy to fix during the high-altitude hoisting and installation process, resulting in the quality of high-altitude welding and installation operations, and has the advantages of high positioning accuracy, good support stability and high welding operation efficiency.

The embodiments described above are part of the embodiments of the present application, rather than all of the embodiments. The detailed description of the embodiments of the present application is not intended to limit the scope of the present application for protection, but merely represents the selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application.

Claims (9)

1. The welding and installing auxiliary device for the curved round steel keels is characterized by comprising a connecting bottom plate, a pair of directional wheels rotatably connected to the bottom of the connecting bottom plate and at least one universal wheel rotatably connected to the bottom of the connecting bottom plate, wherein at least two pairs of connecting sleeves are connected to the top of the connecting bottom plate, a supporting screw is connected to the top of each connecting sleeve through threads, the supporting screw is configured to move in the height direction when rotating, and a detachable rotating supporting mechanism is connected to the top of each pair of supporting screws; the rotary supporting mechanism comprises a rotary base, rotary sleeves sleeved on the corresponding two supporting screws in a sliding mode are respectively arranged at the bottom of the rotary base, and an arc-shaped round steel keel supporting plate and a rotary mechanism used for driving the round steel keel supporting plate to rotate around the axis of the round steel keel supporting plate are arranged at the top of each rotary base; the round steel keel supporting plates of the rotary supporting mechanisms are coaxially arranged.

2. The auxiliary device for welding and installing the curved round steel keels according to claim 1, wherein the top of the rotating base is provided with an arc-shaped sliding groove, the bottom of the round steel keels supporting plate is connected with a sector annular corner dial which is arranged in the sliding groove in a sliding mode, and the corner dial is provided with an angle graduated scale.

3. The welding and installing auxiliary device for the curved round steel joists according to claim 2, wherein the rotating mechanism comprises an arc-shaped rack arranged at the top of the rotating base, a rotating shaft rotatably connected to the rotating angle dial and an angle adjusting gear sleeved on the rotating shaft, and the angle adjusting gear is meshed with the arc-shaped rack.

4. The curved round steel keel welding installation aid of claim 2, wherein the round steel keel support plate is threadably connected with at least one fixing bolt configured to move radially along the round steel keel support plate when rotated.

5. The welding and installing auxiliary device for the curved round steel keels according to claim 1, wherein each supporting screw is sleeved with a rotary adjusting sleeve, and the rotary adjusting sleeve is connected with at least one height adjusting spanner.

6. The welding installation assistance device of claim 1, further comprising at least one cross-shaped reinforcing bar connected to two pairs of adjacent outer walls of said connecting sleeve.

7. The curved round steel joist welding installation auxiliary device according to claim 1, further comprising an overhead working platform with at least two scaffold sleeves at the bottom, wherein the top surface of the overhead working platform is provided with a sliding plate capable of moving along the length direction thereof and a translation mechanism for driving the sliding plate to move along the length direction of the overhead working platform, the top of the sliding plate is connected with a pair of height adjusting sleeves, the top of the height adjusting sleeves is connected with a height adjusting screw through threads, the height adjusting screw is configured to move along the height direction when rotating, and the rotation supporting mechanism is detachably connected to the tops of the pair of height adjusting screws.

8. The welding and installing auxiliary device for the curved round steel joist according to claim 7, wherein the translation mechanism comprises a length rack extending along the length direction of the overhead working platform and an adjusting shaft rotatably connected to the height adjusting sleeve, and a length adjusting gear meshed with the length rack is sleeved on the adjusting shaft.

9. A curved round steel keel welding installation method, characterized in that it is performed using the curved round steel keel welding installation auxiliary device according to any one of claims 1 to 8, comprising the steps of:

The directional wheel and the universal wheel are used for moving the connecting bottom plate to drive the rotary supporting mechanism to move to a preset position;

Rotating each supporting screw rod to enable the supporting screw rods to move along the height direction so as to drive the rotating supporting mechanism to move to a preset height;

Hanging a large-diameter steel round pipe on round steel keel supporting plates of the top rotary supporting mechanisms of the supporting screws to support, and additionally arranging wedge blocks on the round steel keel supporting plates to enable the large-diameter steel round pipe and the round steel keel supporting plates to be coaxially arranged and fixed;

And controlling the rotating mechanism to drive the round steel keel supporting plate to drive the large-diameter steel round pipe to rotate to a preset angle around the axis of the round steel keel supporting plate, and welding the large-diameter steel round pipe.