CN118029529A - Hollow multi-bolt ball net frame connecting joint and installation method - Google Patents
Hollow multi-bolt ball net frame connecting joint and installation method Download PDFInfo
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- CN118029529A CN118029529A CN202410241759.2A CN202410241759A CN118029529A CN 118029529 A CN118029529 A CN 118029529A CN 202410241759 A CN202410241759 A CN 202410241759A CN 118029529 A CN118029529 A CN 118029529A
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- 238000009434 installation Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 238000003466 welding Methods 0.000 claims abstract description 25
- 238000010276 construction Methods 0.000 claims description 13
- 238000004873 anchoring Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000001427 coherent effect Effects 0.000 claims 1
- 238000005452 bending Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
Classifications
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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
-
- 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
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention provides a connecting node of a hollow multi-bolt ball net rack of a welding backing plate and an installation method, wherein threaded holes are formed in the connecting positions of hollow bolt balls and rod pieces; the sealing plate is welded with the rod piece; the high-strength bolt penetrates out of the sealing plate and penetrates through the sleeve to be matched with the threaded hole on the hollow bolt ball; the sleeve is also in threaded fit with the high-strength bolt, pin holes are formed in the sleeve in the radial direction, pin grooves are formed in the high-strength bolt in the axial direction, each pin groove comprises a first pin groove and a second pin groove which are continuously arranged, the second pin groove is close to the head of the bolt, and the length of the first pin groove on the axis of the high-strength bolt is equal to the length of a threaded hole of the high-strength bolt extending out of the hollow bolt ball; the depth of the second pin groove is larger than that of the first pin groove; the pin passes through the pin hole and is in sliding contact with the pin groove, and when the pin slides into the second pin groove, the hollow bolt ball is connected with the rod piece.
Description
Technical Field
The invention relates to the technical field of bolt ball net frames, in particular to a welding cushion block hollow multi-bolt ball net frame connecting node and an application method.
Background
In some patents (for example, CN92239014, CN202022453764.X, CN 202022453758.4) disclose node structures for connecting hollow bolt balls and rod members by bolts, wherein the tail parts of the bolts are required to be fixed in the hollow bolt balls by nuts, so that the construction site is required to install the nuts inside the spherical shell, the hollow spherical shell is sealed after the bolts are fastened, and a cover plate installation space is required to be reserved on the surface of the spherical shell, so that two hemispherical shells are connected by a cover plate or an operator on the spherical shell is sealed. However, the existence of the connecting cover plate limits the installation position of the rod piece, and the two hemispherical shells are connected into a whole by using the bolt assembly and the cover plate on site, so that the construction difficulty is increased. In addition, the joints are connected by adopting single bolts, the bending rigidity and the connection stability of the joints are limited, and when the hollow spherical shell is thinner, the spherical shell is easy to be buckled and damaged when being pressed.
Disclosure of Invention
Aiming at the problems of high construction difficulty, limited bending rigidity and connection stability, easy buckling damage caused by the pressed spherical shell and the like in the background technology part, the invention discloses a hollow bolt spherical node form of a plurality of bolt connecting rods, which is used for solving the problems.
The technical scheme adopted by the invention is as follows:
In a first aspect, the invention provides a hollow multi-bolt ball net rack connecting node, which comprises a hollow bolt ball, a sleeve, a pin, a high-strength bolt and a sealing plate, wherein a threaded hole is formed in the connecting position of the hollow bolt ball and a rod piece; the sealing plate is welded with the rod piece; the high-strength bolt penetrates out of the sealing plate and penetrates through the sleeve to be matched with the threaded hole on the hollow bolt ball; the sleeve is also in threaded fit with the high-strength bolt, pin holes are formed in the sleeve in the radial direction, pin grooves are formed in the high-strength bolt in the axial direction, each pin groove comprises a first pin groove and a second pin groove which are continuously arranged, the second pin groove is close to the head of the bolt, and the length of the first pin groove on the axis of the high-strength bolt is equal to the length of a threaded hole of the high-strength bolt extending out of the hollow bolt ball; the depth of the second pin groove is larger than that of the first pin groove; the pin passes through the pin hole and is in sliding contact with the pin groove, and when the pin slides into the second pin groove, the hollow bolt ball is connected with the rod piece.
As a further technical scheme, a backing plate is welded at the connection position of the outer side of the hollow bolt ball and the rod piece, and a threaded hole through which a high-strength bolt passes is formed in the backing plate; and welding stiffening ribs on the outer side of the backing plate.
As a further technical scheme, when the pin falls into the second pin, the pin is flush with the outer ring of the sleeve.
As a further technical scheme, the backing plate is a round backing plate, the cambered surface on one side and the plane on one side are consistent with the cambered surface radius of the hollow bolt ball, the cambered surface is clung to the hollow bolt ball and is welded together with the hollow bolt ball by butt welding of a bevel, and the plane is clung to the sleeve.
As a further technical scheme, the diameter of the backing plate is consistent with the diameter of the rod piece, and the minimum sum of the thickness of the backing plate and the thickness of the hollow bolt ball meets 1.1 times of the diameter of the high-strength bolt.
As a further technical scheme, the threaded holes formed in the backing plate and the hollow bolt ball are matched with the high-strength bolts and are consistent, the number of the threaded holes is not limited, and the threaded holes are not affected by each other when the high-strength bolts are installed.
As a further technical scheme, through holes with the same positions as the threaded holes of the backing plate are formed in the sealing plate.
As a further technical scheme, the hollow bolt ball is formed by butt welding of two hollow hemispherical grooves.
In a second aspect, the present invention also provides a method of installing a hollow multi-bolt ball net rack connection node, comprising the steps of:
S1, butt-welding two hollow hemispherical grooves together to form a hollow bolt ball;
s2, arranging a plurality of threaded holes on the hollow bolt ball, wherein the number and the positions are not affected by each other and meet the standard requirement when the high-strength bolt is installed;
S3, forming a through hole in the sealing plate, wherein the position of the through hole is the same as that of the threaded hole in the hollow bolt ball, penetrating out the high-strength bolt from one side of the sealing plate, fixing the high-strength bolt by using a temporary nut, and welding the sealing plate and a rod piece together by single-sided fillet welding;
S4, conveying the hollow bolt ball and the rod piece to a construction site, recovering the temporary screw cap, screwing the high-strength bolt into the threaded hole of the hollow bolt ball by using the auxiliary piece until the pin enters a second pin groove of the pin groove, so that the anchoring requirement of the high-strength bolt is met, and screwing the high-strength bolt and the rod piece is realized.
As a further technical solution, the step S4 includes the following steps: the sleeve is sleeved on the screw rod of the high-strength bolt, the pin hole on the sleeve is rotated to be aligned with the pin groove on the high-strength bolt, the pin is inserted into the pin hole of the sleeve, the pin is contacted with the pin groove, the sleeve is rotated to drive the pin to rotate with the high-strength bolt, and when the pin is flush with the sleeve, the anchoring requirement of the high-strength bolt is met, and the installation is realized.
Compared with the traditional bolt ball, the invention has the following beneficial effects:
1. According to the invention, by designing the structures of the high-strength bolts and the sleeves, each bolt adopts a unilateral bolt and is connected by the sleeve, and the bolts are tightly connected with the bolt balls by only rotating the sleeve to screw the bolts, so that compared with the joint adopting the common bolts, the joint is convenient for site construction; the hollow bolt ball can be welded and formed in advance, large mounting holes are not required to be reserved on the ball wall, a cover plate for sealing the ball shell is not required to be additionally arranged on the surface of the ball shell, and the mounting space of the rod piece is not occupied; meanwhile, in order to realize the position locking and fixing between the high-strength bolt and the sleeve, a pin groove is formed in the high-strength bolt along the axial direction, the pin groove is designed into a first pin groove and a second pin groove which are arranged continuously, and the depth of the second pin groove is larger than that of the first pin groove; the length of the first pin groove on the axis of the high-strength bolt is equal to the length of the threaded hole of the high-strength bolt extending out of the hollow bolt ball; when the high-strength bolt stretches out of the set depth of the threaded hole, the depth is suddenly deepened, so that the pin just falls into the second pin groove, locking of the high-strength bolt and the sleeve is achieved, and meanwhile the high-strength bolt can be screwed in place in the hollow bolt ball.
3. And the stiffening ribs are welded on the outer side of the backing plate, so that stress is dispersed to the surface of the hollow bolt ball, the stress of the hollow bolt ball can be improved, and the bearing capacity of the hollow bolt ball can be improved.
2. The hollow bolt ball is connected with each rod piece through multiple bolts, so that the connecting node has better bending rigidity and stability.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the connection relationship between the components according to the embodiment of the present invention;
FIG. 3 is an exploded view of an embodiment of the present invention;
FIG. 4 is a schematic diagram of the connection relationship between a high-strength bolt and a sleeve according to an embodiment of the present invention;
FIG. 5 is a schematic view of a high strength bolt according to an embodiment of the present invention;
FIG. 6 is a schematic view of the hollow bolt of the embodiment of the invention after the hollow bolt is broken away and connected with a rod piece;
FIG. 7 is an exploded view of a structure according to an embodiment of the present invention;
FIG. 8 is a schematic view of a pad according to an embodiment of the present invention;
Reference numerals in the drawings: 1. a hollow bolt ball; 2. a high-strength bolt; 3. a sleeve; 4. a pin; 5. a pin slot; 6. a pin hole; 7. a backing plate; 8. a sealing plate; 9. a rod piece; 10. a temporary nut; 11 stiffeners.
Detailed Description
In order that the application may be more clearly understood, a detailed description is provided below with reference to the accompanying drawings and examples. It should be noted that the embodiment is only one implementation and does not represent all embodiments, and the embodiments of the present application and features in the embodiments may be combined with each other without conflict. Based on the embodiments of the present application, other embodiments that may be obtained by those of ordinary skill in the art without making any inventive effort are within the scope of the present application.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Aiming at the problems of high construction difficulty, limited bending rigidity and connection stability, easy buckling damage caused by the compression of a spherical shell and the like in the background art part, the embodiment discloses a hollow bolt ball joint form of a plurality of bolt connecting rod pieces, which comprises a hollow bolt ball, a sleeve, a pin, a high-strength bolt and a sealing plate, wherein threaded holes are formed in the connection positions of the hollow bolt ball and the rod pieces; the sealing plate is welded with the rod piece; the high-strength bolt penetrates out of the sealing plate and penetrates through the sleeve to be matched with the threaded hole on the hollow bolt ball; the sleeve is also in threaded fit with the high-strength bolt, pin holes are formed in the sleeve in the radial direction, pin grooves are formed in the high-strength bolt in the axial direction, each pin groove comprises a first pin groove and a second pin groove which are continuously arranged, the second pin groove is close to the head of the bolt, and the length of the first pin groove on the axis of the high-strength bolt is equal to the length of a threaded hole of the high-strength bolt extending out of the hollow bolt ball; the depth of the second pin groove is larger than that of the first pin groove; the pin passes through the pin hole and is in sliding contact with the pin groove, and when the pin slides into the second pin groove, the hollow bolt ball is connected with the rod piece.
According to the invention, by designing the structures of the high-strength bolts and the sleeves, each bolt adopts a unilateral bolt and is connected by the sleeve, and the bolts are tightly connected with the bolt balls by only rotating the sleeve to screw the bolts, so that compared with the joint adopting the common bolts, the joint is convenient for site construction; the hollow bolt ball can be welded and formed in advance, large mounting holes are not required to be reserved on the ball wall, a cover plate for sealing the ball shell is not required to be additionally arranged on the surface of the ball shell, and the mounting space of the rod piece is not occupied; meanwhile, in order to realize the position locking and fixing between the high-strength bolt and the sleeve, a pin groove is formed in the high-strength bolt along the axial direction, the pin groove is designed into a first pin groove and a second pin groove which are arranged continuously, and the depth of the second pin groove is larger than that of the first pin groove; the length of the first pin groove on the axis of the high-strength bolt is equal to the length of the threaded hole of the high-strength bolt extending out of the hollow bolt ball; when the high-strength bolt stretches out of the set depth of the threaded hole, the depth is suddenly deepened, so that the pin just falls into the second pin groove, locking of the high-strength bolt and the sleeve is achieved, and meanwhile the high-strength bolt can be screwed in place in the hollow bolt ball.
Embodiment one:
Aiming at the situation that the spherical shell of the hollow bolt ball is smaller in thickness, the mode of welding a backing plate outside the hollow bolt ball is adopted to increase the strength of the connecting point of the hollow multi-bolt ball and the rod piece, and particularly, with reference to fig. 1-4, the hollow bolt ball node of the plurality of bolt connecting rod pieces disclosed in the embodiment comprises a hollow bolt ball 1, a high-strength bolt 2, a backing plate 7 and a sealing plate 8, wherein the hollow bolt ball 1 and the backing plate 7 are welded together, and the backing plate 7 is used for increasing the strength of the connecting position of the hollow bolt ball 1 and the rod piece 9; simultaneously, a continuous threaded hole is formed in the hollow bolt ball 1 and the backing plate 7, the sealing plate 8 and the rod piece 9 are welded together, a through hole corresponding to the threaded hole of the backing plate 7 is formed in the sealing plate 8, the high-strength bolt 2 penetrates out of the sealing plate 8, the high-strength bolt 2 is screwed into the threaded holes of the backing plate 7 and the hollow bolt ball 1 by using an auxiliary piece until the pin 4 is flush with the sleeve 3, and the anchoring requirement of the high-strength bolt 2 is met, so that the fastening connection of the hollow bolt ball 1 and the rod piece 9 is realized.
Specifically, the auxiliary piece comprises a sleeve 3 and a pin 4, a pin hole 6 is formed in the sleeve 3 along the radial direction, a pin groove 5 is formed in the high-strength bolt 2 along the axial direction, the pin groove 5 comprises a first pin groove and a second pin groove which are continuously arranged, the second pin groove is close to the head of the high-strength bolt 2, and the depth of the second pin groove is larger than that of the first pin groove; the length of the first pin groove on the axis of the high-strength bolt is equal to the length of the threaded hole of the high-strength bolt extending out of the hollow bolt ball; namely, when the high-strength bolt 2 extends out of the screw hole to a set depth, the depth of the pin groove 5 suddenly deepens to form a second pin groove, then the pin 4 just falls into the second pin groove to realize locking of the high-strength bolt 2 and the sleeve 3, and at the moment, the top of the pin 4 just is flush with the outer ring of the sleeve 3; the sleeve 3 is sleeved on the high-strength bolt 2, the pin 4 passes through the pin hole 6 to reach the pin groove 5, and the pin 4 is in sliding contact with the pin groove 5.
According to the embodiment, through designing the structures of the high-strength bolts and the sleeves, each high-strength bolt 2 is connected by adopting a single-side bolt and the sleeve 3, and the sleeve 3 is only required to be rotated to screw the bolts so as to enable the rod piece to be connected and fastened with the bolt ball, so that compared with the joint adopting the common bolt, the on-site construction is facilitated; the hollow bolt ball can be welded and formed in advance, large mounting holes are not required to be reserved on the ball wall, a cover plate for sealing the ball shell is not required to be additionally arranged on the surface of the ball shell, and the mounting space of the rod piece is not occupied; meanwhile, in order to realize the position locking and fixing between the high-strength bolt 2 and the sleeve, a pin groove 5 is formed in the high-strength bolt 2 along the axial direction, the pin groove 5 is designed into a first pin groove and a second pin groove which are arranged continuously, and the depth of the second pin groove is larger than that of the first pin groove; the length of the first pin groove on the axis of the high-strength bolt is equal to the length of the threaded hole of the high-strength bolt extending out of the hollow bolt ball; when the high-strength bolt extends out of the screw hole to a set depth, the depth of the pin groove suddenly deepens, so that the pin just falls into the second pin groove, and the locking of the high-strength bolt and the sleeve is realized; meanwhile, the high-strength bolt can be ensured to be screwed in place in the hollow bolt ball;
It should be further noted that, because the hollow bolt ball of the present invention is welded and sealed in advance, it is difficult to determine whether the high-strength bolt is completely screwed in place when connecting the hollow bolt ball with the rod member, and by designing the length of the first pin groove, the length of the first pin groove on the axis of the high-strength bolt is equal to the length of the threaded hole of the high-strength bolt extending out of the hollow bolt ball, so that the pin can just fall into the second pin groove when the high-strength bolt extends out of the hollow bolt ball to a set length, and by this design, the high-strength bolt is ensured to be completely screwed in place when connecting the hollow bolt ball with the rod member.
Furthermore, in this embodiment, stiffening ribs can be welded on the outer side of the backing plate 7 to disperse stress on the surface of the hollow bolt ball 1, so that the stress of the hollow bolt ball 1 can be improved, and the bearing capacity of the hollow bolt ball 1 can be improved.
Specifically, the backing plate 7 is a round backing plate, one side cambered surface and one side plane, the radius of the cambered surface is consistent with the radius of the hollow bolt ball 1, the cambered surface is clung to the hollow bolt ball 1 and welded together with the hollow bolt ball by adopting groove butt welding, the plane is clung to the sleeve 3, the diameter of the backing plate 7 is consistent with the diameter of the rod piece 9, the minimum sum of the thickness of the backing plate 7 and the thickness of the hollow bolt ball 1 is 1.1 times of the diameter of the high-strength bolt 2, threaded holes formed in the backing plate 7 and the hollow bolt ball 1 are matched with and consistent with the high-strength bolt 2, the number of the threaded holes is not limited, and the two parts are not mutually influenced when the high-strength bolt is installed.
Specifically, the sealing plate 8 is provided with a through hole with the same position as the threaded hole of the backing plate 7, and the sealing plate 8 and the rod piece 9 are welded together by single-sided fillet welding.
Specifically, the hollow bolt ball 1 is formed by butt welding two hollow hemispherical grooves, and the hollow bolt ball 1 is welded before a rod piece is installed;
Further, the installation method of the hollow multi-bolt ball net rack connecting node in the embodiment comprises the following steps:
s1, butt-welding two hollow hemispherical grooves together to form a hollow bolt ball 1;
s2, butt welding the backing plate 7 and the hollow bolt ball 1 together in a groove butt welding mode, and determining positions and the number of the backing plate 7 according to construction requirements. Then, the stiffening rib 11 is welded at the joint of the backing plate 7 and the hollow bolt ball 1 by adopting fillet weld;
S3, forming a plurality of threaded holes on the backing plate 5 and the hollow bolt ball;
S4, forming a through hole in the sealing plate 8, wherein the position of the through hole is the same as that of the threaded hole in the backing plate 7, penetrating out the high-strength bolt 2 from one side of the sealing plate 8, fixing the high-strength bolt by using a temporary nut 10, and fillet welding the sealing plate 8 and the rod piece 9 together in a single-sided manner;
S5, conveying the hollow bolt ball 1 and the rod piece 9 to a construction site, recovering the temporary screw cap 10, screwing the high-strength bolt 2 into the threaded holes of the backing plate 7 and the hollow bolt ball 1 by using the auxiliary piece until the pin 4 enters the deep part of the pin groove 5, achieving the anchoring requirement of the high-strength bolt 2, and realizing the screwing of the high-strength bolt 2 and the rod piece 9.
Specifically, the step S5 includes the following steps: the sleeve 3 is sleeved on the screw rod of the high-strength bolt 2, the sleeve 3 is rotated until the pin hole 6 on the sleeve 3 is aligned with the pin groove 5 on the high-strength bolt 2, the pin 4 is inserted into the pin hole 6 of the sleeve 3, the pin 4 is contacted with the pin groove 5, the sleeve 3 is rotated, the pin 4 is driven to rotate with the high-strength bolt 2, and when the pin 4 is flush with the sleeve 3, the anchoring requirement of the high-strength bolt 2 is met, and the installation is realized.
Embodiment two:
The embodiment mainly aims at the situation that a backing plate is not required to be added when the thickness of a spherical shell of the hollow bolt ball 1 is large, namely, the hollow multi-bolt ball net frame connecting node without the backing plate is adopted, and when the thickness of the spherical shell is large, the hollow multi-bolt ball net frame connecting node without the backing plate is adopted, and is combined with figures 4-8, the hollow multi-bolt ball net frame connecting node comprises the hollow bolt ball 1, a high-strength bolt 2, a sealing plate 8 and a rod piece 9, wherein the hollow bolt ball 1 is provided with a plurality of groups of threaded holes along the radial direction of the bolt ball, the sealing plate 8 and the rod piece 9 are welded together, through holes corresponding to the threaded holes of the bolt ball are formed, and two sides of the sealing plate 8 are cambered surfaces. The high-strength bolt 2 penetrates out of the sealing plate 8 and is fixed by a temporary screw cap 10 in the transportation process, the high-strength bolt is screwed into a threaded hole of the hollow bolt ball 1 by using an auxiliary piece until the pin 4 is flush with the sleeve 3, and the anchoring requirement of the high-strength bolt 2 is met, so that the fastening connection of the hollow bolt ball 1 and the rod piece 9 is realized.
Specifically, the auxiliary piece comprises a sleeve 3 and a pin 4, pin holes are formed in the sleeve 3 along the radial direction, pin grooves 5 are formed in the high-strength bolt 2 along the axial direction, the pin grooves 5 comprise a first pin groove and a second pin groove which are continuously arranged, the second pin groove is close to the head of the high-strength bolt 2, and the depth of the second pin groove is larger than that of the first pin groove; the length of the first pin groove on the axis of the high-strength bolt is equal to the length of the threaded hole of the high-strength bolt extending out of the hollow bolt ball; namely, when the high-strength bolt 2 extends out of a screw hole to a set depth (which can be 5 mm), the depth of the pin groove 5 suddenly deepens to form the second pin groove, then the pin 4 just falls into the second pin groove to realize the locking of the high-strength bolt 2 and the sleeve 3, and at the moment, the top of the pin 4 just is flush with the outer ring of the sleeve 3; the sleeve 3 is sleeved on the high-strength bolt 2, the pin 4 passes through the pin hole 6 to reach the pin groove 5, and the pin 4 is in sliding contact with the pin groove 5.
According to the embodiment, through designing the structures of the high-strength bolts and the sleeves, each high-strength bolt 2 is connected by adopting a single-side bolt and the sleeve 3, and the sleeve 3 is only required to be rotated to screw the bolts so as to enable the rod piece to be connected and fastened with the bolt ball, so that compared with the joint adopting the common bolt, the on-site construction is facilitated; the hollow bolt ball can be welded and formed in advance, large mounting holes are not required to be reserved on the ball wall, a cover plate for sealing the ball shell is not required to be additionally arranged on the surface of the ball shell, and the mounting space of the rod piece is not occupied; meanwhile, in order to realize the position locking and fixing between the high-strength bolt 2 and the sleeve, a pin groove 5 is formed in the high-strength bolt 2 along the axial direction, the pin groove 5 is designed into a first pin groove and a second pin groove which are arranged continuously, and the depth of the second pin groove is larger than that of the first pin groove; the length of the first pin groove on the axis of the high-strength bolt is equal to the length of the threaded hole of the high-strength bolt extending out of the hollow bolt ball; when the high-strength bolt extends out of the screw hole to a set depth, the depth of the pin groove suddenly deepens, so that the pin just falls into the second pin groove, and the locking of the high-strength bolt and the sleeve is realized; meanwhile, the high-strength bolt can be ensured to be screwed in place in the hollow bolt ball;
It should be further noted that, because the hollow bolt ball of the present invention is welded and sealed in advance, it is difficult to determine whether the high-strength bolt is completely screwed in place when connecting the hollow bolt ball with the rod member, and by designing the length of the first pin groove, the length of the first pin groove on the axis of the high-strength bolt is equal to the length of the threaded hole of the high-strength bolt extending out of the hollow bolt ball, so that the pin can just fall into the second pin groove when the high-strength bolt extends out of the hollow bolt ball to a set length, and by this design, the high-strength bolt is ensured to be completely screwed in place when connecting the hollow bolt ball with the rod member.
Further, two sides of the sleeve 3 in the embodiment are respectively milled into cambered surfaces consistent with the spherical surface and the sealing plate; the sleeve 3 is sleeved on the high-strength bolt 2, the pin 4 passes through the pin hole 6 to reach the pin groove 5, and the pin 4 is in sliding contact with the pin groove 5.
Further, the sealing plate 8 in this embodiment is a circular sealing plate, both sides are arc surfaces, and the sealing plate 8 and the rod 9 are welded together by adopting a single-sided fillet weld.
Furthermore, the hollow bolt ball 1 of the embodiment is formed by butt welding two hollow hemispherical grooves, and the hollow bolt ball 1 is welded before the rod piece is installed;
the mounting method of the hollow multi-bolt ball net frame connecting node provided by the embodiment comprises the following steps:
s1, butt-welding two hollow hemispherical grooves together to form a hollow bolt ball 1;
s2, forming a plurality of groups of threaded holes on the hollow bolt ball 1;
S3, forming a through hole in the sealing plate 8, wherein the position of the through hole corresponds to that of the threaded hole in the hollow bolt ball 1, penetrating out a high-strength bolt from one side of the sealing plate 8, fixing the high-strength bolt by using a temporary nut 10, and fillet welding the sealing plate 8 and the rod piece 9 together;
S4, conveying the hollow bolt ball 1 and the rod piece 9 to a construction site, recovering the temporary screw cap 10, screwing the high-strength bolt 2 into the threaded hole of the hollow bolt ball 1 by using an auxiliary piece until the pin 4 enters the deep part of the nail groove 5, achieving the anchoring requirement of the high-strength bolt 2, and realizing the screwing of the high-strength bolt 2 and the rod piece 9.
Specifically, the step S5 includes the following steps: the sleeve 3 is sleeved on the screw rod of the high-strength bolt 2, the sleeve 3 is rotated until the pin hole 6 on the sleeve 3 is aligned with the pin groove 5 on the high-strength bolt 2, the pin 4 is inserted into the pin hole 6 of the sleeve 3, the pin 4 is contacted with the pin groove 5, the sleeve 3 is rotated, the pin 4 is driven to rotate with the high-strength bolt 2, and when the pin 4 is flush with the sleeve 3, the anchoring requirement of the high-strength bolt 2 is met, and the installation is realized.
Claims (10)
1. Hollow multiscrew ball net rack connected node, its characterized in that: the high-strength bolt comprises a hollow bolt ball, a sleeve, a pin, a high-strength bolt and a sealing plate, wherein a threaded hole is formed in the connection position of the hollow bolt ball and a rod piece; the sealing plate is welded with the rod piece; the high-strength bolt penetrates out of the sealing plate and penetrates through the sleeve to be matched with the threaded hole on the hollow bolt ball; the sleeve is also in threaded fit with the high-strength bolt, pin holes are formed in the sleeve in the radial direction, pin grooves are formed in the high-strength bolt in the axial direction, each pin groove comprises a first pin groove and a second pin groove which are continuously arranged, the second pin groove is close to the head of the bolt, and the length of the first pin groove on the axis of the high-strength bolt is equal to the length of a threaded hole of the high-strength bolt extending out of the hollow bolt ball; the depth of the second pin groove is larger than that of the first pin groove; the pin passes through the pin hole and is in sliding contact with the pin groove, and when the pin slides into the second pin groove, the hollow bolt ball is connected with the rod piece.
2. A hollow multi-bolt ball net rack connecting node as claimed in claim 1, wherein: a backing plate is welded at the connection position of the outer side of the hollow bolt ball and the rod piece, and a threaded hole through which a high-strength bolt passes is formed in the backing plate; and welding stiffening ribs on the outer side of the backing plate.
3. A hollow multi-bolt ball net rack connecting node as claimed in claim 1, wherein: when the pin falls into the second pin, the pin is flush with the sleeve outer ring.
4. The hollow multi-bolt ball grid frame connection node of claim 1, wherein: the backing plate is a circular backing plate, the radius of the cambered surface on one side of the backing plate is identical to that of the hollow bolt ball, the cambered surface is clung to the hollow bolt ball and welded together with the hollow bolt ball by butt welding of a bevel, and the plane is clung to the sleeve.
5. The hollow multi-bolt ball grid frame connection node of claim 4, wherein: the diameter of the backing plate is consistent with the diameter of the rod piece, and the minimum sum of the thickness of the backing plate and the thickness of the hollow bolt ball meets 1.1 times of the diameter of the high-strength bolt.
6. The hollow multi-bolt ball grid frame connection node of claim 4, wherein: the threaded holes formed in the backing plate and the hollow bolt ball are matched with and coherent with the high-strength bolts, and the number of the threaded holes is not limited, so that the threaded holes are not mutually influenced when the high-strength bolts are installed.
7. The hollow multi-bolt ball grid frame connection node of claim 1, wherein: and the sealing plate is provided with a through hole with the same position as the threaded hole of the backing plate.
8. Hollow multi-bolt ball net rack connecting node according to claim 1 or 2, wherein: the hollow bolt ball is formed by butt welding two hollow hemispherical grooves.
9. A method of installing a hollow multi-bolt ball net rack attachment node as claimed in any one of claims 1 to 8, comprising the steps of:
S1, butt-welding two hollow hemispherical grooves together to form a hollow bolt ball;
s2, arranging a plurality of threaded holes on the hollow bolt ball, wherein the number and the positions are not affected by each other and meet the standard requirement when the high-strength bolt is installed;
S3, forming a through hole in the sealing plate, wherein the position of the through hole is the same as that of the threaded hole in the hollow bolt ball, penetrating out the high-strength bolt from one side of the sealing plate, fixing the high-strength bolt by using a temporary nut, and welding the sealing plate and a rod piece together by single-sided fillet welding;
S4, conveying the hollow bolt ball and the rod piece to a construction site, recovering the temporary screw cap, screwing the high-strength bolt into the threaded hole of the hollow bolt ball by using the auxiliary piece until the pin enters a second pin groove of the pin groove, so that the anchoring requirement of the high-strength bolt is met, and screwing the high-strength bolt and the rod piece is realized.
10. The method of installing a hollow multi-bolt ball net rack connecting node as claimed in claim 9, wherein said S4 comprises the steps of: the sleeve is sleeved on the screw rod of the high-strength bolt, the pin hole on the sleeve is rotated to be aligned with the pin groove on the high-strength bolt, the pin is inserted into the pin hole of the sleeve, the pin is contacted with the pin groove, the sleeve is rotated to drive the pin to rotate with the high-strength bolt, and when the pin is flush with the sleeve, the anchoring requirement of the high-strength bolt is met, and the installation is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410241759.2A CN118029529A (en) | 2024-03-04 | 2024-03-04 | Hollow multi-bolt ball net frame connecting joint and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410241759.2A CN118029529A (en) | 2024-03-04 | 2024-03-04 | Hollow multi-bolt ball net frame connecting joint and installation method |
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| CN118029529A true CN118029529A (en) | 2024-05-14 |
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| CN202410241759.2A Pending CN118029529A (en) | 2024-03-04 | 2024-03-04 | Hollow multi-bolt ball net frame connecting joint and installation method |
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