CN115596073A - Accurate positioning structure and assembling method for welding balls and rod pieces of steel structure net rack - Google Patents
Accurate positioning structure and assembling method for welding balls and rod pieces of steel structure net rack Download PDFInfo
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- CN115596073A CN115596073A CN202211388147.3A CN202211388147A CN115596073A CN 115596073 A CN115596073 A CN 115596073A CN 202211388147 A CN202211388147 A CN 202211388147A CN 115596073 A CN115596073 A CN 115596073A
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- 238000003466 welding Methods 0.000 title claims abstract description 94
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 48
- 239000010959 steel Substances 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000008093 supporting effect Effects 0.000 claims description 55
- 230000005540 biological transmission Effects 0.000 claims description 20
- 230000001360 synchronised effect Effects 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 16
- 239000000463 material Substances 0.000 abstract description 11
- 239000002184 metal Substances 0.000 description 14
- 229910000679 solder Inorganic materials 0.000 description 8
- 238000013461 design Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000011900 installation process Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000010147 laser engraving Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/19—Three-dimensional framework structures
- E04B1/1903—Connecting nodes specially adapted therefor
- E04B1/1906—Connecting nodes specially adapted therefor with central spherical, semispherical or polyhedral connecting element
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/19—Three-dimensional framework structures
- E04B2001/1957—Details of connections between nodes and struts
- E04B2001/1972—Welded or glued connection
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Abstract
The application relates to a structure for accurately positioning welding balls and rod pieces of a steel structure net rack and an assembling method, belonging to the technical field of steel structure welding processes. A steel structure net rack welding ball and rod piece accurate positioning structure comprises a jig frame vertically arranged on the ground, an adjustable bracket arranged at the top of the jig frame, a welding ball arranged on the adjustable bracket and a plurality of rod pieces arranged on the surface of the welding ball; the outer surface of the welding ball is provided with a bracket positioning ring, a rod positioning ring and a cross wire; the intersection point of the cross line is the circle center of the bracket positioning ring; the end point of the cross line is the circle center of the rod positioning ring. This application utensil assembly accuracy is high, the installation effectiveness is high, the less advantage of material consumption.
Description
Technical Field
The application relates to the technical field of steel structure welding, in particular to a structure for accurately positioning a welding ball and a rod piece of a steel structure net rack and an assembling method.
Background
The steel structure is one of the main building structure types and mainly comprises steel beams, steel columns, steel trusses and other members made of section steel, steel plates and the like. The components or parts are typically joined by welds, bolts or rivets. Because of its light dead weight and simple construction, it can be widely used in the fields of large-scale factory buildings, large-scale venues, high-rise buildings, etc.
The grid structure is a common steel structure, and the spherical connecting node is the most common connecting node in the grid structure. The spherical connecting joint has good mechanical property, large range of connectable angles and more aesthetic appearance, so the application range is wider. However, the appearance characteristics of the spherical nodes lead to that accurate positioning in multiple directions such as a plane direction, an elevation direction, a centering direction and the like needs to be ensured in the installation process, so that the overall assembly precision and the bearing capacity of the net rack can be ensured. In the existing installation process, a spherical connecting piece needs to be placed on a section of metal pipe, then the elevation of the spherical connecting piece is measured by using equipment such as a total station instrument, and the metal pipe is cut or ground according to the measurement result. And repeating the steps until the measured value of the elevation meets the installation requirement, and centering the metal pipe to start welding and assembling. The assembly process needs to process the metal pipe for multiple times, and the problems of waste material increase and material consumption aggravation are caused while time and labor are wasted.
In view of the above-mentioned related technical background, the inventor believes that the assembly process of the spherical connecting nodes in the existing steel structure net rack has the defects of low assembly efficiency and high material consumption.
Disclosure of Invention
In order to improve the construction efficiency of the assembly process of the spherical connecting nodes of the steel structure net rack and reduce the material loss in the assembly process, the application provides a structure for accurately positioning the welding balls and the rod pieces of the steel structure net rack and an assembly method.
First aspect, the application provides a steel structure rack welding ball and member accurate positioning structure adopts following technical scheme:
a steel structure net rack welding ball and rod piece accurate positioning structure comprises a jig frame vertically arranged on the ground, an adjustable bracket arranged at the top of the jig frame, a welding ball arranged on the adjustable bracket and a plurality of rod pieces arranged on the surface of the welding ball; the outer surface of the welding ball is provided with a bracket positioning ring, a rod positioning ring and a cross wire; the intersection point of the cross line is the circle center of the bracket positioning ring; the end point of the cross line is the circle center of the rod positioning ring.
By adopting the technical scheme, the bracket plays a role in supporting and limiting other partial structures, the adjustable bracket arranged at the top of the jig frame plays a role in supporting and limiting the welding ball, the height of the adjustable bracket is adjustable, and the effect of driving the welding ball to move along the direction vertical to the ground can be achieved, so that the function of adjusting the actual elevation of the welding ball is realized, the process of repeatedly cutting and grinding a metal pipe for supporting the welding ball is omitted, the installation step is simplified, the material waste caused by cutting and grinding is avoided, the construction efficiency of the assembly process of the spherical connecting node of the steel structure net rack is improved, and the material loss in the assembly process is reduced.
Optionally, the adjustable bracket comprises a plurality of screws arranged at the top of the jig frame, a supporting plate sleeved on the screws, adjusting nuts sleeved on the screws, fastening nuts sleeved on the screws and a supporting cylinder arranged at the top of the supporting plate; the supporting plate is connected with the screw rod in a sliding mode in the direction perpendicular to the ground, the adjusting nut is in threaded fit with the screw rod, the upper surface of the adjusting nut is abutted to the lower surface of the supporting plate, the fastening nut is in threaded fit with the screw rod, the lower surface of the fastening nut is abutted to the upper surface of the supporting plate, and the axis of the supporting cylinder is perpendicular to the supporting plate.
Through adopting above-mentioned technical scheme, sliding connection's structural design has realized the function that the layer board was adjusted to go up and down between the layer board of cover on the screw rod and the screw rod in the adjustable bracket, and the adjusting nut who overlaps on the screw rod has played the positioning action to the layer board, and fastening nut can cooperate adjusting nut to fix the arbitrary high department on the screw rod with the layer board, and the support section of thick bamboo of installing at the layer board upper surface has played the auxiliary action to the installation and the location of welding ball.
Optionally, the lower surface of the supporting plate is provided with a synchronous gear; the synchronous gear is meshed with the adjusting nut and is rotationally connected with the supporting plate.
Through adopting above-mentioned technical scheme, the synchronous gear of layer board lower surface mounting can guarantee simultaneously with the structural design of all adjusting nut meshing that the rotation of all adjusting nut can keep the same rotational speed equidirectional synchronous going on for the lift that all adjusting nut took place along the screw rod axis direction can keep synchronous, consequently can guarantee that the lift everywhere of layer board keeps unanimous, makes the mutual parallel relation of the upper surface of layer board and bed-jig can not receive the influence at adjustable bracket height adjustment in-process.
Optionally, the synchronous gear comprises a meshing part and a transmission part; the engaging part is engaged with the adjusting nut and coaxially arranged with the transmission part; a transmission rod penetrates through the supporting plate, and the transmission rod is rotatably connected with the supporting plate and meshed with the transmission part.
Through adopting above-mentioned technical scheme, synchronizing gear's meshing portion is used for meshing and driving adjusting nut with adjusting nut and takes place to rotate, and synchronizing gear's transmission portion and the structural design of transfer line meshing make the user can drive synchronizing gear through the mode of rotating the transfer line and take place to rotate, make the adjustment process convenient laborsaving more.
Optionally, a knob is arranged at one end of the transmission rod, which is far away from the synchronous gear; the knob is evenly provided with a plurality of gaps along the circumferential direction.
Through adopting above-mentioned technical scheme, the knob of the one end fixed mounting that synchronous gear was kept away from to the transfer line can increase the arm of force length when rotating the transfer line, reduces the required torsional force of rotation transfer line.
Optionally, the edge of the inner surface of the support cylinder that meets the top surface is chamfered.
Through adopting above-mentioned technical scheme, the crossing edge of a supporting cylinder surface and top surface promptly supports a structure that the mutual edge chamfer that contacts of a section of thick bamboo and welding ball was handled can increase the area of contact between a supporting cylinder and the welding ball, improves the stability of a supporting effect of a supporting cylinder to the welding ball.
Optionally, a cushion block is arranged at one end of the screw rod close to the jig frame.
Through adopting above-mentioned technical scheme, the screw rod is close to the cushion that bed-jig one end set up and can increase the area of contact between screw rod and the bed-jig up end, improves connection structure's between screw rod and the bed-jig stability.
Optionally, a plurality of limiting grooves are formed in the upper surface of the jig frame; the shape of the limiting groove is consistent with the shape of the cross section of the cushion block.
Through adopting above-mentioned technical scheme, a plurality of spacing grooves that the bed-jig upper surface was seted up have played the effect that the position was injectd to the installation of screw rod, and the structural design that spacing groove shape cushion shape is unanimous can avoid screw rod installation in-process cushion structure and spacing groove's edge to take place to interfere.
In a second aspect, the application provides a method for assembling steel structure net rack welding balls and rod pieces, which applies the steel structure net rack welding balls and rod piece accurate positioning structure in the foregoing, and adopts the following technical scheme:
a method for assembling welding balls and rod pieces of a steel structure net rack comprises the following steps:
and 4, mounting the rod piece on the outer surface of the welding ball.
Through adopting above-mentioned technical scheme, with the help of the lift adjustment function of adjustable bracket and the holding ring and the cross wire of welding ball surface preprocessing, the precision homoenergetic of the installation location of spheroid all directions in the globular connected node of rack steel construction can obtain guaranteeing, has removed the process of cutting and grinding tubular metal resonator from, under the circumstances of guaranteeing the installation accuracy, has both saved the material, has improved the installation effectiveness again.
Optionally, in step 4: when the rod piece is installed, spot welding is firstly carried out for pre-fixing, and then complete welding is carried out.
By adopting the technical scheme, after spot welding is performed and pre-fixing is performed, the influence of cooling forming of a welding line on the centering condition of the rod piece and the welding ball is checked, then the welding is corrected according to the centering error condition caused in the forming process, and the assembly precision between the rod piece and the welding ball is further improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the bracket plays a role in supporting and limiting other partial structures, the adjustable bracket arranged at the top of the jig frame plays a role in supporting and limiting the welding ball, the height of the adjustable bracket is adjustable, and the effect of driving the welding ball to move along the direction vertical to the ground can be achieved, so that the function of adjusting the actual elevation of the welding ball is realized, the process of repeatedly cutting and grinding a metal pipe for supporting the welding ball is omitted, the installation step is simplified, the material waste caused by cutting and grinding is avoided, the construction efficiency of the assembly process of the spherical connecting node of the steel structure net rack is improved, and the purpose of reducing the material loss in the assembly process is achieved;
2. the structural design that the synchronous gear arranged on the lower surface of the supporting plate is meshed with all the adjusting nuts at the same time can ensure that the rotation of all the adjusting nuts can be synchronously carried out in the same rotating speed and the same direction, so that the lifting of all the adjusting nuts along the axial direction of the screw can be synchronously kept, the lifting of all the parts of the supporting plate can be kept consistent, and the parallel relation between the supporting plate and the upper surface of the jig frame cannot be influenced in the height adjusting process of the adjustable bracket;
3. after spot welding is performed and is fixed in advance in the application, the influence of cooling forming of welding seams on the centering condition of the rod piece and the welding ball is checked, then welding is corrected according to the centering error condition caused in the forming process, and the assembling precision between the rod piece and the welding ball is further improved.
Drawings
Fig. 1 is a schematic structural view of a structure for accurately positioning welding balls and rods of a steel structure net rack disclosed in an embodiment of the application.
Fig. 2 is a schematic illustration of an explosive structure of the adjustable bracket in an embodiment of the present application.
Fig. 3 is a schematic structural diagram of a solder ball in an embodiment of the present application.
Description of reference numerals: 1. a jig frame; 11. a limiting groove; 2. an adjustable bracket; 21. a screw; 22. a support plate; 23. adjusting the nut; 24. fastening a nut; 25. a support cylinder; 211. cushion blocks; 221. a synchronizing gear; 222. a transmission rod; 223. a knob; 2211. an engaging portion; 2212. a transmission section; 3. welding the ball; 31. a bracket positioning ring; 32. a rod positioning ring; 33. a cross line; 4. a rod member.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The grid structure is a common building steel structure, and a sphere with good mechanical property and attractive appearance is usually adopted as a connection node structure in the grid structure. However, the installation of the ball body needs to be positioned in multiple directions, so that the final installation accuracy requirement and the bearing capacity requirement can be ensured. The actual elevation of the spherical connecting node needs to be adjusted by continuously cutting the metal pipe supporting the spherical connecting node in the existing installation process, the process is time-consuming and labor-consuming, and the problem of increased material consumption is also caused. In order to improve the construction efficiency of the assembly process of the spherical connecting nodes of the steel structure net rack and reduce the material loss in the assembly process, the application provides a structure for accurately positioning the welding balls and the rod pieces of the steel structure net rack and an assembling method.
The embodiment of the application discloses a steel structure net rack welding ball 3 and a rod piece 4 accurate positioning structure. Referring to fig. 1 and 2, a structure for accurately positioning a welding ball 3 and a rod 4 of a steel structure net rack comprises a jig frame 1, an adjustable bracket 2, a welding ball 3 and a rod 4. Wherein, bed-jig 1 fixed mounting is subaerial, adjustable bracket 2 fixed mounting at the top of bed-jig 1, and welding ball 3 fixed mounting is at the top of adjustable bracket 2, and member 4 and welding ball 3 fixed connection form the support main part of steel structure rack.
Referring to fig. 1, the jig frame 1 may be a metal support structure formed by welding an i-beam and a rectangular steel plate. The rectangular steel plates are perpendicular to the axis of the I-shaped beam and welded at two ends of the I-shaped beam, and the axis of the I-shaped beam penetrates through the geometric center of the rectangular steel plates. The jig frame 1 is arranged perpendicular to the ground in a mode of fixing through foundation bolts or welding and fixing, and a plurality of limiting grooves 11 are formed in the upper surface of the rectangular steel plate far away from one end of the ground. The jig frame 1 is installed on the ground after hardening and post-processing, and position measurement and correction are performed by using a total station after installation is completed.
Referring to fig. 1 and 2, the adjustable bracket 2 includes a screw 21, a support plate 22, an adjustment nut 23, a fastening nut 24, and a support cylinder 25. The screw 21 may be a solid metal round rod with a thread section along the axial direction, and one end of the screw 21 is fixedly provided with a cushion block 211 in a welding manner. The spacer 211 may be a solid hexagonal prism having the same size as the cross-sectional shape of the retaining groove 11. During assembly, the cushion block 211 is inserted into the limiting groove 11 and is welded and fixed. The number of the screws 21 can be multiple, and in the embodiment of the present application, the number of the screws 21 is 4, and the screws are uniformly distributed on the upper surface of the jig frame 1 near the four corners. The supporting plate 22 can be a rectangular solid metal plate provided with a plurality of circular through holes, the number of the circular through holes on the supporting plate 22 is 4 in the embodiment of the application, and the distribution positions of the circular through holes on the supporting plate 22 correspond to the distribution positions of the screw rods 21 on the jig frame 1 one by one. The supporting plate 22 is sleeved on the screw 21 and is connected with the screw 21 in a sliding manner. Each screw rod 21 is sleeved with an adjusting nut 23, and the adjusting nuts 23 are in threaded fit with the screw rods 21. The outer surface of the adjusting nut 23 is provided with a gear tooth structure which can be used for meshing transmission. The upper end surface of the adjusting nut 23 abuts against the lower surface of the pallet 22. Each screw 21 is sleeved with a fastening nut 24. The fastening nut 24 is in threaded fit with the screw 21, the lower end face of the fastening nut 24 is abutted to the upper surface of the supporting plate 22, and the supporting plate 22 is clamped and fixed by the adjusting nut 23 in a matched mode, so that the supporting plate 22 can be positioned at any height on the threaded section of the screw 21. The support cylinder 25 may be a hollow metal cylinder having a diameter smaller than the outer diameter of the solder ball 3, the support cylinder 25 is fixedly mounted on the upper surface of the support plate 22 by welding, and the axis of the support cylinder 25 is perpendicular to the upper surface of the support plate 22. The edge where the inner surface of the support cylinder 25 meets the upper surface of the support cylinder 25 is chamfered. The chamfered surface may be provided as a curved surface conforming to the curvature of the outer surface of the welding ball 3.
Referring to fig. 1 and 2, a synchronizing gear 221 is installed on the lower surface of the pallet 22 by a rotary connection. The synchronizing gear 221 includes a meshing portion 2211 and a power transmitting portion 2212. The meshing portion 2211 of the synchronizing gear 221 meshes with the gear tooth structures of all the adjusting nuts 23, and the rotation of the synchronizing gear 221 can drive the adjusting nuts 23 to rotate synchronously at the same direction and the same rotating speed. The transmission portion 2212 of the synchronizing gear 221 is engaged with one end of the transmission lever 222. The axis of the drive link 222 is disposed parallel to the pallet 22. The transmission rod 222 is rotatably connected with the supporting plate 22, and one end of the transmission rod 222, which is far away from the synchronizing gear 221, is fixedly connected with a knob 223. The knob 223 is evenly provided with a plurality of breach along circumference, and the edge rounding of breach is handled.
Referring to fig. 1 and 3, the solder ball 3 may be a hollow metal sphere. The solder balls 3 are provided with a carrier positioning ring 31, a lever positioning ring 32, and a cross 33 by laser engraving or spray printing of a marking. The diameter of the bracket positioning ring 31 is consistent with the inner diameter of the supporting pipe, and the width is consistent with the width of the chamfer curved surface on the supporting pipe. The center of the bracket positioning ring 31 is taken as an intersection point to form a cross 33, and two lines forming the cross 33 are perpendicular to each other. The connection line of the end points of the two lines constituting the cross 33 passes through the center of the solder ball 3. The rod positioning ring 32 is centered on the end of the cross 33. The rod positioning ring 32 has a diameter equal to the inner diameter of the rod 4. The rod positioning ring 32 has a width equal to the thickness of the wall of the rod 4.
Referring to fig. 1, the rod 4 may be a hollow metal circular tube. The rod 4 is fixedly connected with the welding ball 3 in a welding mode.
The embodiment of the application discloses a method for assembling welding balls 3 and rod pieces 4 of a steel structure net rack, which comprises the following steps:
In the step, after the jig frame 1 is installed, the total station is required to measure the installation position of the jig frame 1 and compare the measured installation position with the standard position, and other installation steps can be continuously performed after the error is within the required range of the installation process.
And 2, mounting the adjustable bracket on the top of the jig frame 1.
In the step, firstly, the cushion blocks 211 of the screw 21 are respectively inserted into the limiting grooves 11, then the adjusting nuts 23 are sleeved on the screw 21 and rotated to the same height, the supporting plate 22 is sleeved on the screw 21, so that the synchronous gears 221 are respectively meshed with the adjusting nuts 23, levelness measurement is respectively performed on the upper surface of the jig frame 1 and the upper surface of the supporting plate 22 by using a level gauge, after ensuring that two planes are parallel to the horizontal plane, the fastening nuts 24 are screwed in to fix the position of the supporting plate 22, and finally the supporting cylinder 25 is welded on the upper surface of the supporting plate 22.
And 3, installing the welding ball 3 at the top of the adjustable support seat, measuring the elevation of the welding ball 3, and adjusting the adjustable support seat according to the measurement result until the elevation of the welding ball 3 meets the requirement.
In this step, the solder ball 3 is first placed on the top of the support cylinder 25, and the chamfered portion of the top of the support cylinder 25 completely coincides with the bracket positioning ring 31 on the solder ball 3, so that the cross line 33 is perpendicular to the edge of the supporting plate 22, and then the elevation of the solder ball 3 is measured by using a total station, and after the difference between the measurement result and the designed height is obtained, the knob 223 is rotated to finely adjust the height of the adjustable bracket 2 until the error is eliminated or is within the allowable range of the assembly process.
And 4, mounting the rod piece 4 on the outer surface of the welding ball 3.
In this step, the edge position of the rod 4 should be closely attached to the spherical surface of the welding ball 3 and completely overlapped with the rod positioning ring 32 on the outer surface of the welding ball 3, the rod 4 should be spot-welded in an aligned manner when being welded, the deformation error generated in the forming process is observed after the welding seam is cooled and formed, then the welding is corrected according to the type of the error, and all the remaining welding seams are filled.
The above is the preferred embodiment of the present application, and the protection scope of the present application is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a steel construction rack welding ball and member accurate positioning structure which characterized in that: the device comprises a jig frame (1) vertically arranged on the ground, an adjustable bracket (2) arranged at the top of the jig frame (1), a welding ball (3) arranged on the adjustable bracket (2) and a plurality of rod pieces (4) arranged on the surface of the welding ball (3); the outer surface of the welding ball (3) is provided with a bracket positioning ring (31), a rod positioning ring (32) and a cross wire (33); the intersection point of the cross line (33) is the circle center of the bracket positioning ring (31); the end point of the cross line (33) is the center of the rod positioning ring (32).
2. The structure of accurately positioning the welding balls and the rods of the steel structure net rack according to claim 1, wherein: the adjustable bracket (2) comprises a plurality of screws (21) arranged at the top of the jig frame (1), a supporting plate (22) sleeved on the screws (21), adjusting nuts (23) sleeved on the screws (21), fastening nuts (24) sleeved on the screws (21) and a supporting cylinder (25) arranged at the top of the supporting plate (22); the supporting plate (22) is connected with the screw rod (21) in a sliding mode in the direction perpendicular to the ground, the adjusting nut (23) is in threaded fit with the screw rod (21), the upper surface of the adjusting nut is abutted to the lower surface of the supporting plate (22), the fastening nut (24) is in threaded fit with the screw rod (21), the lower surface of the adjusting nut is abutted to the upper surface of the supporting plate (22), and the axis of the supporting cylinder (25) is perpendicular to the supporting plate (22).
3. The structure of accurately positioning the welding balls and the rods of the steel structure net rack according to claim 2, wherein: the lower surface of the supporting plate (22) is provided with a synchronous gear (221); the synchronizing gear (221) is meshed with the adjusting nut (23), and the synchronizing gear (221) is rotationally connected with the supporting plate (22).
4. The structure of accurately positioning the welding balls and the rods of the steel structure net rack according to the claim 3, characterized in that: the synchronizing gear (221) comprises a meshing part (2211) and a transmission part (2212); the engaging part (2211) is engaged with the adjusting nut (23) and is coaxially arranged with the transmission part (2212); a transmission rod (222) penetrates through the supporting plate (22), and the transmission rod (222) is rotatably connected with the supporting plate (22) and meshed with the transmission part (2212).
5. The structure of accurately positioning the welding balls and the rods of the steel structure net rack according to claim 4, wherein: a knob (223) is arranged at one end, far away from the synchronous gear (221), of the transmission rod (222); the knob (223) is evenly provided with a plurality of gaps along the circumferential direction.
6. The structure of accurately positioning the welding balls and the rods of the steel structure net rack according to claim 2, wherein: the edge of the inner surface of the supporting cylinder (25) which is intersected with the top surface is beveled.
7. The structure of accurately positioning the welding balls and the rods of the steel structure net rack according to claim 2, wherein: and a cushion block (211) is arranged at one end, close to the jig frame (1), of the screw (21).
8. The structure of accurately positioning the welding balls and the rods of the steel structure net rack according to claim 7, wherein: the upper surface of the jig frame (1) is provided with a plurality of limiting grooves (11); the shape of the limiting groove (11) is consistent with the cross section shape of the cushion block (211).
9. A method for assembling welding balls and rod pieces of a steel structure grid, which applies the structure for accurately positioning the welding balls and the rod pieces of the steel structure grid as claimed in any one of claims 1 to 8, and is characterized by comprising the following steps:
step 1, hardening the ground, carrying out paying-off positioning on the position of a jig frame (1), and installing the jig frame (1) at a specified position;
step 2, mounting the adjustable bracket (2) on the top of the jig frame (1);
step 3, mounting the welding ball (3) on the top of the adjustable bracket (2), measuring the elevation of the welding ball (3), and adjusting the adjustable bracket (2) according to the measurement result until the elevation of the welding ball (3) meets the requirement;
and 4, mounting the rod piece (4) on the outer surface of the welding ball (3).
10. The method for assembling the welding balls and the rods of the steel structure net rack according to claim 9, wherein in the step 4: when the rod piece (4) is installed, spot welding is firstly carried out for pre-fixing, and then complete welding is carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211388147.3A CN115596073A (en) | 2022-11-08 | 2022-11-08 | Accurate positioning structure and assembling method for welding balls and rod pieces of steel structure net rack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211388147.3A CN115596073A (en) | 2022-11-08 | 2022-11-08 | Accurate positioning structure and assembling method for welding balls and rod pieces of steel structure net rack |
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| CN115596073A true CN115596073A (en) | 2023-01-13 |
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| CN202211388147.3A Pending CN115596073A (en) | 2022-11-08 | 2022-11-08 | Accurate positioning structure and assembling method for welding balls and rod pieces of steel structure net rack |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116378203A (en) * | 2023-05-06 | 2023-07-04 | 徐州东大钢结构建筑有限公司 | Inverted-lifting type welding ball net frame and assembling method thereof |
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2022
- 2022-11-08 CN CN202211388147.3A patent/CN115596073A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116378203A (en) * | 2023-05-06 | 2023-07-04 | 徐州东大钢结构建筑有限公司 | Inverted-lifting type welding ball net frame and assembling method thereof |
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