CN109500528B - Welding device for triangular frame of steel structure spherical reticulated shell - Google Patents
Welding device for triangular frame of steel structure spherical reticulated shell Download PDFInfo
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- CN109500528B CN109500528B CN201811423660.5A CN201811423660A CN109500528B CN 109500528 B CN109500528 B CN 109500528B CN 201811423660 A CN201811423660 A CN 201811423660A CN 109500528 B CN109500528 B CN 109500528B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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Abstract
The invention relates to a welding device for a triangular frame of a steel structure spherical reticulated shell, which mainly comprises a guide rail assembly, a central pin shaft, a base, an angular point sleeve positioning device, an angular point sleeve bolt, a side rod positioning device, a side rod bolt, a measuring cone and the like. The welding device for the triangular frame of the spherical reticulated shell with the steel structure mainly comprises a guide rail assembly, a central pin shaft, a base, an angular point sleeve positioning device, an angular point sleeve bolt, a side rod positioning device, a side rod hole bolt, a measuring cone and the like. The angle point sleeve positioning device is composed of a base, an oblique block, a cylindrical sleeve, a guide key and a screw, and the side rod positioning device is composed of a flange plate, a positioning assembly and a bolt.
Description
Technical Field
The invention relates to a welding device for various triangular frame types of a steel structure spherical reticulated shell, which is mainly used for welding triangular frames in the steel structure spherical reticulated shell.
Background
The steel structure spherical reticulated shell is a novel structural style in a building, and has the advantages of reasonable stress, strong bearing capacity, economy, applicability, wide application range and the like, the spherical reticulated shell is formed by connecting and fastening a plurality of triangular frames through bolts and flanges after film coating, the triangular frames are used as basic constituent units of the steel structure spherical reticulated shell, and the spherical reticulated shell is welded by side rods and angle point sleeves through a certain spatial position relation, and has the characteristics of various types, complex spatial geometric relation and the like, which brings great difficulty for the processing and manufacturing of the spherical reticulated shell, the common welding method is to determine a reference triangle of the triangular frames on a flat plate through a scribing and aligning method, and fix the side rods and the angle point sleeve positioning device to the corresponding position of the reference triangle through a measuring and adjusting method, and the welding device has certain problems:
(1) the surface of the flat plate is a positioning reference surface of the welding device, and a reference triangle of the triangular frame can be drawn on the flat plate, so that the flat plate is required to have higher precision and larger geometric dimension, and the problems of high processing difficulty, high cost and the like are caused. These problems are particularly pronounced when the triangular frame is large in size;
(2) the welding device determines the relative position relationship between the side rod and the angular point sleeve positioning device by a scribing alignment method, and the scribing alignment precision is very low, so that the relative position error between the side rod and the angular point sleeve positioning device is very large, certain trouble is brought to the subsequent assembly of a triangular frame into a spherical reticulated shell, and the welding device is not suitable for being used as a positioning method of a welding device with higher precision requirement;
(3) according to the side rod positioning device of the welding device, holes at two ends of a side rod and a plane are used as positioning references, the length of the side rod positioning device is large, the requirement on angle precision is large, the processing difficulty is increased, and a welded triangular frame is difficult to take out after the side rod positioning device is fixed on a flat plate;
based on the reasons, the welding device and the welding method for the steel structure spherical reticulated shell triangular frame type, which are designed by the invention, can solve the problems, ensure the precision and the processing manufacturability of the welding device, reduce the processing difficulty of the welding device and be suitable for welding the triangular frames with different space sizes.
Disclosure of Invention
The invention aims to provide a welding device for various types of triangular frames of a steel structure spherical reticulated shell, which is suitable for welding the triangular frames of various types and sizes, can ensure the space size and shape precision of the triangular frames, and improves the production efficiency.
The purpose of the invention is realized as follows: a welding device for a triangular frame of a steel structure spherical reticulated shell comprises a base, wherein a guide rail component A, a guide rail component B and a guide rail component C are arranged on the upper surface of the base, the inner ends of the guide rail component A, the guide rail component B and the guide rail component C are fixedly connected in a detachable mode, the guide rail component A, the guide rail component B and the guide rail component C are respectively composed of a guide rail and a channel steel, the channel steel is fixedly connected with the base in a detachable mode, the upper surfaces of the guide rail component A, the guide rail component B and the guide rail component C are slidably provided with an angular point sleeve positioning device A, an angular point sleeve positioning device B and an angular point sleeve positioning device C, the angular point sleeve positioning device A, the angular point sleeve positioning device B and the angular point sleeve positioning device C respectively comprise a base, guide keys are arranged on the lower surface of the base, the guide keys are respectively slidably arranged in guide grooves on the upper surface of the guide rails, the upper surface of the base is provided with an oblique block, the upper surface of the oblique block is provided with a mounting groove, a cylindrical sleeve is arranged in the mounting groove, the upper surface of the cylindrical sleeve is lower than the upper surface of the oblique block, a measuring cone is arranged in the cylindrical sleeve, the angular point sleeve positioning device A, the angular point sleeve positioning device B and the angular point sleeve positioning device C are fixedly connected to the guide rail component A, the guide rail component B and the guide rail component C respectively in a detachable mode, the upper surfaces of the angular point sleeve positioning device A, the angular point sleeve positioning device B and the angular point sleeve positioning device C are respectively provided with a side rod positioning device A, a side rod positioning device B and a side rod positioning device C, the side rod positioning device A, the side rod positioning device B and the side rod positioning device C are respectively provided with a flat plate A and a flat plate B, and the angle between the flat plate A and the flat plate B is adjustable, the panel A and the panel B are respectively and fixedly connected with edge rods in a detachable mode, and corner point sleeves are arranged in the edge rod positioning device A, the edge rod positioning device B and the edge rod positioning device C, close to intersection points of the panel A and the panel B.
The inner ends of the guide rails in the guide rail assembly A, the guide rail assembly B and the guide rail assembly C are fixedly connected through a pin shaft, a gasket B and a nut B, a central shaft of the pin shaft passes through the outer center of a reference triangle of the triangular frame, and the axial directions of the guide grooves on the upper surface of the guide rails are respectively parallel to the connecting line of the outer center of the reference triangle of the triangular frame and three vertexes of the reference triangle.
The inclined block is arranged in a groove on the upper surface of the base.
And channel steel in the guide rail component A, the guide rail component B and the guide rail component C is clamped on the base and is fixedly connected with the base through a screw A.
The cross section of the guide groove on the guide rail is in a T-shaped structure.
The base, the inclined block and the guide key are fixedly connected through a screw B and a screw C respectively.
The angle point sleeve positioning device A, the angle point sleeve positioning device B and the angle point sleeve positioning device C are fixedly connected with the guide rail assembly A, the guide rail assembly B and the guide rail assembly C through bolts A, washers A and nuts A respectively.
The side rod positioning device A, the side rod positioning device B and the side rod positioning device C are further composed of a positioning shaft A, a positioning shaft B and a flange plate, the top ends of the positioning shaft A and the positioning shaft B penetrate through two holes in the flange plate respectively and are fixedly connected with the flange plate through a nut C and a gasket C, and the bottom ends of the positioning shaft A and the positioning shaft B are arranged in a positioning hole A and a positioning hole B which are formed in the upper surface of the angular point sleeve positioning device A, the angular point sleeve positioning device B and the angular point sleeve positioning device C respectively.
The corner sleeve is positioned below the flange plate in the side rod positioning device, and the flange plate on the side rod positioning device is connected with the corner sleeve through a corner sleeve bolt.
The flat plate A and the flat plate B are connected with the side rods through side rod bolts.
The invention has the beneficial effects that: in the invention, three vertexes of a reference triangle in a triangle frame are positioned on a spherical surface, the projection of a connecting line of the three vertexes and the center of the sphere on a plane of the reference triangle is intersected at the outer center of the reference triangle, the connecting line is parallel to the axes of the corresponding angular point sleeves, the three guide rail assemblies are connected together through a central pin shaft in sequence, a guide key in the angular point sleeve positioning device is placed on a T-shaped groove in the guide rail assemblies and slides to determine the position of the angular point sleeve positioning device, the angle between the three guide rail assemblies is determined according to the size between the angle point sleeve positioning devices, the guide rail assemblies are fixed on a flat plate, the edge rod positioning devices and the angle point sleeves are fixed on the angle point sleeve positioning devices through angle point sleeve bolts, the edge rods and the edge rod positioning devices are connected through edge rod bolts, and the edge rods and the angle point sleeves are welded together, so that the triangular frame can be welded.
Drawings
Fig. 1 is a schematic structural diagram of a welding device for a triangular framework of a steel-structured spherical reticulated shell.
Fig. 2 is a schematic structural diagram of a triangular frame in the welding device for the steel structure spherical reticulated shell triangular frame.
Fig. 3 is a schematic structural diagram of a middle guide rail assembly of a triangular frame in the welding device of the steel structure spherical reticulated shell triangular frame.
Fig. 4 is a schematic structural diagram of an angular point sleeve positioning device in the welding device for the triangular framework of the steel structure spherical reticulated shell.
Fig. 5 is a schematic view of an installation structure of an angular point sleeve positioning device in a welding device of a steel structure spherical reticulated shell triangular frame.
FIG. 6 is a schematic structural diagram of a side rod positioning device in the welding device for the triangular framework of the steel structure spherical reticulated shell.
In the figure: 1. a guide rail component A2, a bolt A3, a washer A4, a nut A5, an angular point sleeve positioning device A6, a side rod positioning device A7, an angular point sleeve pin 8, a side rod pin 9, a pin shaft 10, a washer B11, a nut B12, a guide rail component B13, an angular point sleeve positioning device B14, a side rod positioning device B17, a base 18, a side rod positioning device C19, an angular point sleeve positioning device C20, a guide rail component C21, a screw A22, an angular point sleeve 23, a side rod 24, a guide rail 25, a channel steel 26, a base 27, a screw B28, a sloping block 29, a cylindrical sleeve 30, a guide key 31, a screw C32, a positioning hole A33, a positioning hole B34, a measuring cone 35, a positioning shaft A36, a washer C37, a nut C38, a flange 39, a flat plate A40, a flat plate B, The shaft B is positioned.
Detailed Description
Example 1
As shown in fig. 1 to 6, a welding device for a triangular frame of a steel structure spherical reticulated shell comprises a base 17, wherein a guide rail assembly a1, a guide rail assembly B12 and a guide rail assembly C20 are arranged on the upper surface of the base 17, the inner ends of the guide rail assembly a1, the guide rail assembly B12 and the guide rail assembly C20 are fixedly connected in a detachable manner, the guide rail assembly a1, the guide rail assembly B12 and the guide rail assembly C20 are all composed of guide rails 24 and channel rails 25, the channel rails 25 are fixedly connected with the base 17 in a detachable manner, the upper surfaces of the guide rail assembly a1, the guide rail assembly B12 and the guide rail assembly C20 are slidably provided with an angular point sleeve positioning device a5, an angular point sleeve positioning device B13 and an angular point sleeve positioning device C19, the angular point sleeve positioning device a5, the angular point sleeve positioning device B13 and the angular point sleeve positioning device C19 all include a base 26, the lower surface of the base 26 is provided with a guide key 30, the guide keys 30 are respectively arranged in guide grooves on the upper surface of the guide rail 24 in a sliding manner, the upper surface of the base 26 is provided with an oblique block 28, the upper surface of the oblique block 28 is provided with a mounting groove, a cylindrical sleeve 29 is arranged in the mounting groove, the upper surface of the cylindrical sleeve 29 is lower than the upper surface of the oblique block 28, a measuring cone 34 is arranged in the cylindrical sleeve 29, the corner sleeve positioning device A5, the corner sleeve positioning device B13 and the corner sleeve positioning device C19 are respectively fixedly connected to a guide rail assembly A1, a guide rail assembly B12 and a guide rail assembly C20 in a detachable manner, the upper surfaces of the corner sleeve positioning device A1, the corner sleeve positioning device B12 and the corner sleeve positioning device C20 are respectively provided with an edge rod positioning device A6, an edge rod positioning device B14 and an edge rod positioning device C18, and the edge rod positioning devices A6, B14 and C18 are respectively provided with a flat plate A39 and a flat plate B40, the angle between flat board A39 and flat board B40 is adjustable, respectively detachable fixedly connected with limit pole 23 on flat board A39 and flat board B40, limit pole positioner A6, limit pole positioner B14 and limit pole positioner C18 in be close to flat board A39 and flat board B40's intersect position department and be provided with angular point cover 22.
When the base is used, the guide rail component A, the guide rail component B and the guide rail component C are placed on the base, the inner ends of the guide rail component A, the guide rail component B and the guide rail component C are connected together, then channel steel in the guide rail component A, the guide rail component B and the guide rail component C is clamped on the base, and the channel steel is fixedly connected with the base; then, the cylindrical sleeve is arranged in the oblique block, the upper plane of the cylindrical sleeve is lower than the plane of the oblique block, the oblique block is arranged on the upper part of the base 26 and fixed, the guide key is arranged in the positioning groove at the bottom of the base and fixed, and therefore the installation of the angular point sleeve positioning device A, the angular point sleeve positioning device B and the angular point sleeve positioning device C is completed; respectively placing guide keys in an angular point sleeve positioning device into guide grooves in guide rails in a guide rail assembly, contacting the bottom surface of the angular point sleeve positioning device with the upper plane of the guide rails, enabling the angular point sleeve positioning device to slide along the guide grooves in the guide rails, inserting a measuring cone into a cylindrical sleeve in the angular point sleeve positioning device, measuring the size L of a top on the measuring cone and the outer center of a reference triangle of a triangular frame, sliding the angular point sleeve positioning device to enable the size L to be changed into a theoretical correct size, and fixing the guide rail assembly and the angular point sleeve positioning device together; the rail assembly 12 is fixed to the base 17, the rail assembly is rotated about its coupling center, simultaneously, the size between the measuring cone apexes on the angular point sleeve positioning device is measured to enable the measuring cone apexes to reach the theoretical correct size, the guide rail assembly is fixed with the base, the inner ends of the guide rail assembly A, the guide rail assembly B and the guide rail assembly C are clamped and fixed, and the contact surfaces of the guide rail assembly A, the guide rail assembly B and the guide rail assembly C are tightly combined, then the measuring cones 34 on the three guide rail assemblies are taken down, the guide rail assemblies can be prevented from tilting or changing angles among the guide rail assemblies due to welding stress when the triangular frame is welded by adopting the mode of fixing the guide rail assemblies, and the guide rail assemblies can be attached to the upper plane of the base so as to enable the upper surfaces of the guide rail assembly A, the guide rail assembly B and the guide rail assembly C to be in the same plane, so that the positioning accuracy of the welding fixture is improved; respectively fixing an edge rod positioning device A, an edge rod positioning device B and an edge rod positioning device C on an angular point sleeve positioning device A, an angular point sleeve positioning device B and an angular point sleeve positioning device C, and fixing an angular point sleeve at a proper position close to the intersection point position of the flat plate A and the flat plate B, thereby completing the assembly of the edge rod positioning device; fixing the side rods and the corresponding flat plates, welding the corner sleeve and the side rods together according to the welding operation requirement by rotating the flat plates on the side rod positioning device, and then taking down the side rod positioning device, so that the welded triangular frame can be taken down, and welding of triangular frames of different types can be realized by adjusting the distance between the corner sleeve positioning device and the outer center of the reference triangle of the triangular frame and the angle between the guide rail assemblies; the invention is suitable for welding triangular frames of various types and sizes, can ensure the space size and shape precision of the triangular frames and improves the production efficiency.
Example 2
As shown in fig. 1 to 6, a welding device for a triangular frame of a steel structure spherical reticulated shell comprises a base 17, wherein a guide rail assembly a1, a guide rail assembly B12 and a guide rail assembly C20 are arranged on the upper surface of the base 17, the inner ends of the guide rail assembly a1, the guide rail assembly B12 and the guide rail assembly C20 are fixedly connected in a detachable manner, the guide rail assembly a1, the guide rail assembly B12 and the guide rail assembly C20 are all composed of guide rails 24 and channel rails 25, the channel rails 25 are fixedly connected with the base 17 in a detachable manner, the upper surfaces of the guide rail assembly a1, the guide rail assembly B12 and the guide rail assembly C20 are slidably provided with an angular point sleeve positioning device a5, an angular point sleeve positioning device B13 and an angular point sleeve positioning device C19, the angular point sleeve positioning device a5, the angular point sleeve positioning device B13 and the angular point sleeve positioning device C19 all include a base 26, the lower surface of the base 26 is provided with a guide key 30, the guide keys 30 are respectively arranged in guide grooves on the upper surface of the guide rail 24 in a sliding manner, the upper surface of the base 26 is provided with an oblique block 28, the upper surface of the oblique block 28 is provided with a mounting groove, a cylindrical sleeve 29 is arranged in the mounting groove, the upper surface of the cylindrical sleeve 29 is lower than the upper surface of the oblique block 28, a measuring cone 34 is arranged in the cylindrical sleeve 29, the corner sleeve positioning device A5, the corner sleeve positioning device B13 and the corner sleeve positioning device C19 are respectively fixedly connected to a guide rail assembly A1, a guide rail assembly B12 and a guide rail assembly C20 in a detachable manner, the upper surfaces of the corner sleeve positioning device A1, the corner sleeve positioning device B12 and the corner sleeve positioning device C20 are respectively provided with an edge rod positioning device A6, an edge rod positioning device B14 and an edge rod positioning device C18, and the edge rod positioning devices A6, B14 and C18 are respectively provided with a flat plate A39 and a flat plate B40, the angle between the flat plate A39 and the flat plate B40 is adjustable, the flat plate A39 and the flat plate B40 are respectively and fixedly connected with an edge rod 23 in a detachable mode, and corner point sleeves 22 are arranged in positions, close to the intersection point of the flat plate A39 and the flat plate B40, of the edge rod positioning device A6, the edge rod positioning device B14 and the edge rod positioning device C18; the inner ends of the guide rail 24 in the guide rail assembly A1, the guide rail assembly B12 and the guide rail assembly C20 are fixedly connected through a pin shaft 9, a washer B10 and a nut B11, the central shaft of the pin shaft 9 passes through the outer center of a reference triangle of the triangular frame, and the axial directions of guide grooves on the upper surface of the guide rail 24 are respectively parallel to the connecting lines of the outer center of the reference triangle of the triangular frame and three vertexes of the reference triangle; the inclined block 28 is arranged in a groove on the upper surface of the base 26; channel steel 25 in the guide rail assembly A1, the guide rail assembly B12 and the guide rail assembly C20 is clamped on the base 17 and is fixedly connected with the base 17 through a screw A21; the cross section of the guide groove on the guide rail 24 is in a T-shaped structure; the base 26, the inclined block 28 and the guide key 30 are fixedly connected through a screw B27 and a screw C31 respectively; the corner sleeve positioning device A5, the corner sleeve positioning device B13 and the corner sleeve positioning device C19 are respectively and fixedly connected with the guide rail assembly A1, the guide rail assembly B12 and the guide rail assembly C20 through bolts A2, washers A3 and nuts A4; the side rod positioning device A6, the side rod positioning device B14 and the side rod positioning device C18 further comprise a positioning shaft A35, a positioning shaft B41 and a flange plate 38, the top ends of the positioning shaft A35 and the positioning shaft B41 respectively penetrate through two holes in the flange plate 38 and are fixedly connected with the flange plate 38 through a nut C37 and a washer C36, and the bottom ends of the positioning shaft A35 and the positioning shaft B41 are respectively arranged in a positioning hole A32 and a positioning hole B33 which are arranged on the upper surfaces of the corner sleeve positioning device A5, the corner sleeve positioning device B13 and the corner sleeve positioning device C19; the corner sleeve 22 is positioned below the flange 38 in the side rod positioning device A6, the side rod positioning device B14 and the side rod positioning device C18, and the flange 38 and the corner sleeve 22 on the side rod positioning device A6, the side rod positioning device B14 and the side rod positioning device C18 are connected through a corner sleeve bolt 7; the flat plate A39 and the flat plate B40 are connected with the side rod 23 through a side rod bolt 8.
When the device is used, a guide rail component A, a guide rail component B and a guide rail component C are placed on a base, the inner ends of the guide rail component A, the guide rail component B and the guide rail component C are connected together, the guide rail component A, the guide rail component B and the guide rail component C are sequentially connected but not screwed down through a central pin shaft, a gasket B and a nut B, then channel steel in the guide rail component A, the guide rail component B and the guide rail component C is clamped on the base, the channel steel is fixedly connected with the base, and a screw A is screwed into a threaded hole in the channel steel but not screwed down; then, the cylinder sleeve is arranged in the oblique block, the upper plane of the cylinder sleeve is lower than the plane of the oblique block, the oblique block is placed in a groove in the upper portion of the base, the base and the oblique block are connected and fixed through an inner screw B, the guide key is placed in a positioning groove in the bottom of the base, and the guide key and the base are connected and fixed through a screw C, so that the installation of the angular point sleeve positioning device A, the angular point sleeve positioning device B and the angular point sleeve positioning device C is completed; respectively placing a guide key in an angular point sleeve positioning device into a T-shaped groove in a guide rail assembly, contacting the bottom surface of a base in the angular point sleeve positioning device with the upper plane of the guide rail, enabling the angular point sleeve positioning device to slide along the T-shaped groove in the guide rail, inserting a measuring cone into a cylindrical sleeve in the angular point sleeve positioning device, measuring the size L of a top on the measuring cone and the top on a central pin shaft of the outer center of a reference triangle of a triangular frame, sliding the angular point sleeve positioning device to enable the size L to be changed into a theoretical correct size, and fixing the guide rail assembly and the angular point sleeve positioning device together through a bolt A, a washer A and a nut A; the guide rail assembly and the base are fixed together by screwing a screw A on the guide rail assembly, so that the screw is tightly pressed against the bottom surface of the base, the guide rail assembly is enabled to rotate around a central pin shaft of the guide rail assembly, meanwhile, the size between cone apexes is measured on an angular point sleeve positioning device, so that the theoretical correct size is achieved, the screw A on the guide rail assembly is screwed down, so that the screw A is tightly pressed against the bottom surface of the base, the guide rail assembly and the base are fixed together, the inner ends of the guide rail assembly A, the guide rail assembly B and the guide rail assembly C are clamped and fixed, a nut B on the central pin shaft is screwed down, so that the contact surfaces of the guide rail assembly A, the guide rail assembly B and the guide rail assembly C are tightly combined, then the measuring cones 34 on the three guide rail assemblies are taken down, and the guide rail assembly fixing mode can not only prevent the guide rail, the guide rail assembly can be attached to the upper plane of the base, so that the upper surfaces of the guide rail assembly A, the guide rail assembly B and the guide rail assembly C are in the same plane, and the positioning accuracy of the welding fixture is improved; respectively welding a positioning shaft A and a flat plate A together, and respectively welding a positioning shaft B and a flat plate B together, processing pin holes on the flat plate A and the flat plate B according to corresponding sizes, then respectively penetrating the pin shaft positioning shaft A and the positioning shaft B through two holes on a flange plate, connecting the pin shaft positioning shaft A and the positioning shaft B by using a gasket C and a nut C without screwing, thus completing the assembly of the edge rod positioning device, respectively inserting the positioning shaft A and the positioning shaft B on the edge rod positioning device into a positioning hole A and a positioning hole B on an angular point sleeve positioning device, sleeving an angular point below a flange plate in the edge rod positioning device, connecting the flange plate on the edge rod positioning device with the angular point sleeve by using an angular point sleeve bolt, and inserting the flange plate and the angular point sleeve into a cylindrical sleeve hole on the angular point sleeve positioning device; the side rod bolt penetrates through the flat plate and the corresponding hole in the side rod, and then the flat plate on the side rod positioning device is rotated, so that the side rod bolt penetrates through the flat plate on the side rod positioning device and the corresponding hole in the side rod. Then nuts on the three side rod positioning devices are screwed, the corner point sleeves and the side rods are welded together according to welding operation requirements, the corner point sleeve bolts and the side rod bolts are taken down, the nuts C on the side rod positioning devices are unscrewed, and then the side rod positioning devices are taken down, so that the welded triangular frames can be taken down, and the welding of the triangular frames of different types can be realized by adjusting the distance between the corner point sleeve positioning devices and the outer centers of the reference triangles of the triangular frames and the angle between the guide rail assemblies; according to the invention, the central shaft of the pin shaft passes through the outer center of the reference triangle of the triangular frame, the T-shaped groove is designed based on the connection line of the outer center of the reference triangle of the triangular frame and three vertexes of the reference triangle, the welding of the triangular frames with different specifications can be realized by sliding the guide key on the angular point sleeve positioning device along the T-shaped groove and rotating the guide rail assembly around the central pin shaft, the number of welding clamps of the triangular frames is reduced, and the processing cost is saved; the base and the inclined blocks are positioned with the bottom surface and the two side surfaces of the inclined blocks through the upper plane of the base and the inner side surface of the groove and are connected through bolts, so that the positioning precision is high, the processing is convenient, and the positioning of the angular point sleeves of different triangular frames can be realized only by connecting different inclined blocks with the same base; the positioning groove on the lower surface of the base is used for positioning the guide key and connecting the base and the guide key through a hexagon socket head cap screw; the guide rail assembly is formed by welding a guide rail and channel steel, so that the guide rail assembly can be ensured to be longer in size without increasing the size of the base, and the welding device is suitable for a welding device of a triangular frame with larger size; threaded holes are processed at the bottom of the channel steel, and the guide rail assembly can be fixed on the base through screws; the fixing mode can prevent the guide rail assemblies from tilting or the angles among the guide rail assemblies from changing due to welding stress when the triangular frame is welded, and can ensure that the guide rail assemblies can be tightly attached to the upper plane of the base so as to ensure that the upper surfaces of the guide rail assemblies are positioned in the same plane, thereby improving the positioning precision of the welding fixture; the side rod positioning device is designed based on the actual assembly condition of the spherical reticulated shell, the pin shaft and the flat plate are welded and then processed with holes, the pin shaft and the flange are connected through bolts, the pin shaft is inserted into the holes on the inclined blocks of the angular point sleeve positioning device, the positioning precision of the side rod positioning device can be improved, and meanwhile, the flat plate can be rotated to be very convenient for positioning and installation of the side rods and taking out of the triangular frame.
Claims (6)
1. The utility model provides a welding set of spherical reticulated shell triangular frame of steel construction, it includes the base, its characterized in that: the upper surface of the base is provided with a guide rail component A, a guide rail component B and a guide rail component C, the inner ends of the guide rail component A, the guide rail component B and the guide rail component C are fixedly connected in a detachable mode, the guide rail component A, the guide rail component B and the guide rail component C are respectively composed of a guide rail and a channel steel, the channel steel is fixedly connected with the base in a detachable mode, the upper surfaces of the guide rail component A, the guide rail component B and the guide rail component C are slidably provided with an angular point sleeve positioning device A, an angular point sleeve positioning device B and an angular point sleeve positioning device C, the angular point sleeve positioning device A, the angular point sleeve positioning device B and the angular point sleeve positioning device C respectively comprise a base, the lower surface of the base is provided with guide keys, the guide keys are respectively slidably arranged in guide grooves in the upper surface of the guide rail, the upper surface of the base is provided with an oblique block, the upper surface of the sloping block is provided with an installation groove, the installation groove is internally provided with a cylindrical sleeve, the upper surface of the cylindrical sleeve is lower than the upper surface of the sloping block, the cylindrical sleeve is internally provided with a measuring cone, the angular point sleeve positioning device A, the angular point sleeve positioning device B and the angular point sleeve positioning device C are respectively and fixedly connected with the guide rail component A, the guide rail component B and the guide rail component C in a detachable mode, the upper surfaces of the angular point sleeve positioning device A, the angular point sleeve positioning device B and the angular point sleeve positioning device C are respectively provided with an edge rod positioning device A, an edge rod positioning device B and an edge rod positioning device C, the edge rod positioning device A, the edge rod positioning device B and the edge rod positioning device C are respectively provided with a flat plate A and a flat plate B, the angle between the flat plate A and the flat plate B is adjustable, and the flat plate A and the flat plate B are respectively and fixedly connected with edge rods in, an angular point sleeve is arranged in the position, close to the intersection point of the flat plate A and the flat plate B, of the side rod positioning device A, the side rod positioning device B and the side rod positioning device C; the guide rail assembly A, the guide rail assembly B and the guide rail assembly C are fixedly connected through a pin shaft, a gasket B and a nut B, a central shaft of the pin shaft passes through the outer center of a reference triangle of the triangular frame, the axis direction of a guide groove on the upper surface of the guide rail is respectively parallel to the connecting line of the outer center of the reference triangle of the triangular frame and three vertexes of the reference triangle, an inclined block is arranged in a groove on the upper surface of the base, the section shape of the guide groove on the guide rail is of a T-shaped structure, the side rod positioning device A, the side rod positioning device B and the side rod positioning device C further comprise a positioning shaft A, a positioning shaft B and a flange plate, the top ends of the positioning shaft A and the positioning shaft B respectively penetrate through two holes in the flange plate and are fixedly connected with the flange plate through the nut C and the gasket C, and the bottom ends of the positioning shaft A and the positioning shaft B are respectively arranged at the corner point sleeve positioning device A, the gasket B and the, And the positioning holes A and B are arranged on the upper surfaces of the angular point sleeve positioning device B and the angular point sleeve positioning device C.
2. The welding device for the triangular frame of the steel structure spherical reticulated shell, according to claim 1, is characterized in that: and channel steel in the guide rail component A, the guide rail component B and the guide rail component C is clamped on the base and is fixedly connected with the base through a screw A.
3. The welding device for the triangular frame of the steel structure spherical reticulated shell, according to claim 1, is characterized in that: the base, the inclined block and the guide key are fixedly connected through a screw B and a screw C respectively.
4. The welding device for the triangular frame of the steel structure spherical reticulated shell, according to claim 1, is characterized in that: the angle point sleeve positioning device A, the angle point sleeve positioning device B and the angle point sleeve positioning device C are fixedly connected with the guide rail assembly A, the guide rail assembly B and the guide rail assembly C through bolts A, washers A and nuts A respectively.
5. The welding device for the triangular frame of the steel structure spherical reticulated shell, according to claim 1, is characterized in that: the corner sleeve is positioned below the flange plate in the side rod positioning device, and the flange plate on the side rod positioning device is connected with the corner sleeve through a corner sleeve bolt.
6. The welding device for the triangular frame of the steel structure spherical reticulated shell, according to claim 1, is characterized in that: the flat plate A and the flat plate B are connected with the side rods through side rod bolts.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811423660.5A CN109500528B (en) | 2018-11-27 | 2018-11-27 | Welding device for triangular frame of steel structure spherical reticulated shell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811423660.5A CN109500528B (en) | 2018-11-27 | 2018-11-27 | Welding device for triangular frame of steel structure spherical reticulated shell |
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| CN109500528A CN109500528A (en) | 2019-03-22 |
| CN109500528B true CN109500528B (en) | 2020-12-01 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110107100B (en) * | 2019-06-14 | 2023-08-08 | 中铁八局集团建筑工程有限公司 | Welding ball net frame positioning device for large-span building roof |
| CN110722306B (en) * | 2019-08-29 | 2021-05-11 | 武汉船用机械有限责任公司 | Welding tool and welding method for hydraulic bolt type ring beam |
| CN114273806B (en) * | 2021-10-12 | 2023-07-14 | 郑州大学 | Universal welding fixture for multiple concentric space triangle assemblies and use method |
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