CN110578370B - Bolt ball for steel structure connection - Google Patents
Bolt ball for steel structure connection Download PDFInfo
- Publication number
- CN110578370B CN110578370B CN201810590314.XA CN201810590314A CN110578370B CN 110578370 B CN110578370 B CN 110578370B CN 201810590314 A CN201810590314 A CN 201810590314A CN 110578370 B CN110578370 B CN 110578370B
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- Prior art keywords
- reinforcing rib
- rib
- connecting screw
- steel structure
- bolt ball
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2418—Details of bolting
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a bolt ball for steel structure connection, wherein a connecting screw rod extends into a connecting screw hole and is rotatably connected in the connecting screw hole, the circumferential side walls of four rib plates of a reinforcing rib are respectively in matched contact with the circumferential groove surfaces, and the radial side walls of the same side of the four rib plates of the reinforcing rib are in contact with the radial groove surfaces; the side wall of the hemispherical shell is respectively provided with four external connection screw holes which are uniformly distributed in the circumferential direction; after the convex column of one hemispherical shell reinforcing rib extends into the column hole of the other hemispherical shell reinforcing rib, the two hemispherical shells are involutory to form the bolt ball; corner columns are respectively arranged between the adjacent rib plates of the cross-shaped reinforcing rib; the inner connecting screw holes are formed in the positions, located at the outer connecting screw holes, on the side walls of the corner columns, and can improve the firmness and stability of the connection structure of the ball body and the threaded rod piece.
Description
Technical Field
The invention relates to the technical field of steel structures, in particular to a bolt ball for steel structure connection.
Background
At present, steel structures have become one of the main building structure types as structures consisting of steel materials. The steel structure mainly comprises steel beams, steel columns, steel trusses and other members made of section steel, steel plates and the like, and is treated by adopting rust removing and preventing processes such as silanization, pure manganese phosphating, washing and drying, galvanization and the like; the components or parts of the steel structure are usually connected by welding seams, bolts or rivets; the steel structure is light in self weight and simple and convenient to construct, and can be widely applied to the fields of large-scale plants, venues, super-high buildings and the like. The bolt ball is mainly used in the steel structure net rack, is used as a ball body provided with a plurality of internal thread holes and can be used for connecting a plurality of threaded rod pieces to a node, and can be mainly applied to the fields of oil pipe-free underground oil extraction devices, casing explosion expanding devices, oil pipe drift diameter gauges and the like; the existing bolt ball has the problems that the ball body and the connection structure of the ball body to the threaded rod piece are firm and poor in stability.
Disclosure of Invention
In view of the above disadvantages, the present invention provides a bolt ball for steel structure connection, which can improve the firmness and stability of the ball itself and the connection structure of the ball to a threaded rod.
In order to achieve the purpose, the invention provides a bolt ball for steel structure connection, which comprises two hemispherical shells, wherein cross-shaped reinforcing ribs are arranged in the hemispherical shells, connecting screw rods are arranged at the inner ends of the reinforcing ribs, connecting screw holes are arranged at the positions of the connecting screw rods on the inner walls of the end parts of the hemispherical shells, four transverse L-shaped cambered grooves are uniformly distributed on the inner side walls of the hemispherical shells, the circumferential groove surfaces of the cambered grooves are arc surfaces, the radial groove surfaces of the cambered grooves are planes, and the circumferential side walls of four rib plates of the reinforcing ribs are all arc surfaces matched with the circumferential groove surfaces; the outer end face of the reinforcing rib of one hemispherical shell is provided with a convex column, and the outer end face of the reinforcing rib of the other hemispherical shell is provided with a column hole matched with the convex column; the connecting screw rod extends into the connecting screw hole and is rotatably connected in the connecting screw hole, the circumferential side walls of the four rib plates of the reinforcing rib are respectively in matched contact with the circumferential groove surface, and the radial side walls of the same side of the four rib plates of the reinforcing rib are in contact with the radial groove surface; the side wall of the hemispherical shell is respectively provided with four external connection screw holes which are uniformly distributed in the circumferential direction; after the convex column of one hemispherical shell reinforcing rib extends into the column hole of the other hemispherical shell reinforcing rib, the two hemispherical shells are involutory to form the bolt ball; corner columns are respectively arranged between the adjacent rib plates of the cross-shaped reinforcing rib; the side walls of the corner posts are provided with inner connecting screw holes at the outer connecting screw holes.
When the bolt ball for steel structure connection is installed, the connecting screw rods at the inner ends of the reinforcing ribs are respectively rotated into the connecting screw holes in the inner wall of the end part of the hemispherical shell, the connecting screw rods are rotated in the connecting screw holes and connected with the hemispherical shell, and meanwhile, the four reinforcing plates are combined and connected to form a cross-shaped reinforcing rib, the circumferential end surfaces of the four reinforcing plates of the cross-shaped reinforcing rib are respectively contacted and rotated in a transverse L-shaped cambered surface groove in the side wall of the inner side of the hemispherical shell until the radial side walls of the reinforcing ribs on the same side are contacted with the radial groove surfaces, so that the installation of the reinforcing rib and the hemispherical shell is realized; and then after the convex column of one of the hemispherical shell reinforcing ribs extends into the column hole of the other hemispherical shell reinforcing rib, the two hemispherical shells are oppositely combined to form the bolt ball, and the bolt ball can be sequentially connected with a steel structure screw rod through an external connecting screw hole on the hemispherical shell of the bolt ball and an internal connecting screw hole on the corner column, so that the effect of a steel structure connecting node is achieved.
The advantages of the invention are as follows:
according to the bolt ball for steel structure connection, the cross-shaped reinforcing rib is arranged in the hemispherical shell, and the reinforcing rib is connected with the connecting screw hole of the hemispherical shell through the connecting screw rod, so that the firmness and stability of the hemispherical shell are improved.
According to the bolt ball for steel structure connection, the circumferential end faces of the four reinforcing plates of the reinforcing rib are respectively arranged in the transverse L-shaped cambered surface groove on the inner side wall of the hemispherical shell and are in contact with the circumferential groove surface of the cambered surface groove, and meanwhile, the radial side walls of the four reinforcing plates of the reinforcing rib on the same side are in contact with the radial groove surfaces, so that the contact stress area of the hemispherical shell and the reinforcing rib connection structure is further increased, and the firmness and stability of the hemispherical shell are further improved.
According to the bolt ball for steel structure connection, the corner columns are respectively arranged between the rib plates adjacent to the cross-shaped reinforcing rib, so that the strength of the reinforcing rib can be improved, and the firmness and stability of the hemispherical shell are improved.
According to the bolt ball for connecting the steel structure, the steel structure screw rod sequentially penetrates through the external connecting screw hole in the hemispherical shell and the internal connecting screw hole in the side wall of the corner post, so that the firmness and the stability of a connecting structure of the steel structure screw rod are improved.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a bolt ball for steel structure connection according to the present invention.
Fig. 2 is a schematic structural view of a hemispherical shell of the bolt ball for steel structure connection shown in fig. 1 according to the embodiment of the invention.
Fig. 3 is a schematic structural view of another hemispherical shell of the bolt ball for steel structure connection shown in fig. 2 according to the embodiment of the invention.
Fig. 4 is a schematic structural view of another embodiment of the bolt ball for steel structure connection according to the present invention.
Fig. 5 is a schematic structural view of a bolt ball for steel structural connection according to still another embodiment of the present invention.
Description of reference numerals:
the structure comprises a semi-spherical shell 1, a reinforcing rib 2, a connecting screw rod 3, a cambered groove 4, a convex column 5, a column hole 6, an external connecting screw hole 7, a corner column 8, an internal connecting screw hole 9, a connecting plate 10, a fixing bolt 11, a steel structure screw rod 12, a gasket 13 and a damping pad 14.
Detailed Description
The following description of the embodiments of the present invention refers to the accompanying drawings and examples:
example 1:
a bolt ball for steel structure connection is disclosed, referring to fig. 1, and comprises two hemispherical shells 1, cross-shaped reinforcing ribs 2 are arranged in the hemispherical shells 1, connecting screw rods 3 are arranged at the inner ends of the reinforcing ribs 2, connecting screw holes are arranged at the positions of the connecting screw rods 3 on the inner walls of the end parts of the hemispherical shells 1, four transverse L-shaped cambered grooves 4 are uniformly distributed on the inner side walls of the hemispherical shells 1, the circumferential groove surfaces of the cambered grooves 4 are all arc surfaces, the radial groove surfaces of the cambered grooves 4 are planes, and the circumferential side walls of four rib plates of the reinforcing ribs 2 are all arc surfaces matched with the circumferential groove surfaces; referring to fig. 2, a convex boss 5 is arranged on the outer end surface of the reinforcing rib 2 of one hemispherical shell 1, and referring to fig. 3, a column hole 6 matched with the boss 5 is arranged on the outer end surface of the reinforcing rib 2 of the other hemispherical shell 1; the connecting screw rod 3 extends into the connecting screw hole and is rotatably connected in the connecting screw hole, the circumferential side walls of the four rib plates of the reinforcing rib 2 are respectively in matched contact with the circumferential groove surface, and the radial side walls of the four rib plates of the reinforcing rib 2 at the same side are in contact with the radial groove surface; the side wall of the hemispherical shell 1 is respectively provided with four external connection screw holes 7 which are uniformly distributed in the circumferential direction; after the convex column 5 of the reinforcing rib 2 of one hemispherical shell 1 extends into the column hole 6 of the reinforcing rib 2 of the other hemispherical shell 1, the two hemispherical shells 1 are oppositely combined to form the bolt ball; corner posts 8 are respectively arranged between the adjacent rib plates of the cross-shaped reinforcing ribs 2; the side walls of the corner posts 8 are provided with inner connecting screw holes 9 at the positions of the outer connecting screw holes 7.
The bolt ball for steel structure connection of this embodiment, during the installation, rotate respectively the connecting screw 3 of strengthening rib 2 the inner to on the 1 tip inner wall of hemisphere shell in the connecting screw, rotatory connecting screw 3 makes it be in connecting screw internal rotation and be connected with hemisphere shell 1, improve the firm stability of hemisphere shell 1 self. Meanwhile, the four reinforcing plates are combined and connected to form a cross-shaped reinforcing rib 2, the circumferential end faces of the four reinforcing plates of the cross-shaped reinforcing rib 2 are respectively in contact rotation in a transverse L-shaped cambered groove 4 on the side wall of the inner side of the hemispherical shell 1 until the radial side wall of the reinforcing rib 2 on the same side is in contact with the radial groove face, so that the installation of the reinforcing rib 2 and the hemispherical shell 1 is realized, the contact stress area of the connection structure of the hemispherical shell 1 and the reinforcing rib 2 is further improved, and the self firm stability of the hemispherical shell 1 is further improved. And then, after the convex column 5 of the reinforcing rib 2 of one hemispherical shell 1 extends into the column hole 6 of the reinforcing rib 2 of the other hemispherical shell 1, the two hemispherical shells 1 are oppositely combined to form the bolt ball, so that the firmness and the stability of the hemispherical shells 1 are improved. Then, the bolt ball is sequentially connected with a steel structure screw 12 through an external connection screw hole 7 on the hemispherical shell 1 of the bolt ball and an internal connection screw hole 9 on the corner post 8, so that the effect of a steel structure connection node is achieved, and the firmness stability of the connection structure of the steel structure screw 12 is improved.
It should be noted that the cross-shaped reinforcing rib 2 includes four rib plates, the adjacent rib plates are perpendicular to each other, and one end side walls of the rib plates are connected together, where the end connected together is an end close to the central axis of the cross-shaped reinforcing rib 2, the cross-shaped reinforcing rib 2 may be provided as an integral structure, and the cross-shaped reinforcing rib 2 may also be a structure in which four metal rib plates are connected by a welded structure. The other end side wall of the cross-shaped reinforcing rib 2 is an arc-shaped surface matched with the inner wall of the hemispherical shell 1, namely the other end side wall of the cross-shaped reinforcing rib 2 is contacted with the inner wall of the hemispherical shell 1, and the other end is far away from the central axis of the cross-shaped reinforcing rib 2. The inner ends of the reinforcing ribs 2 are provided with connecting screw rods 3, the inner ends refer to the end, far away from a reader, in the direction perpendicular to the paper surface and shown in fig. 1, the inner ends also refer to the left direction and the right direction shown in fig. 2 and 3, the connecting screw rods 3 and the reinforcing ribs 2 can be of an integrated structure, the connecting screw rods 3 and the reinforcing ribs 2 can also be metal pieces connected through a welding structure, and the central axis of the connecting screw rods 3 is preferably coincident with the central axis of the reinforcing ribs 2. The radial groove surface of the cambered groove 4 can be arranged as the side wall of the radial groove plate. The radial groove plate and the inner wall of the hemispherical shell 1 can be of an integrated structure, and the radial groove plate and the inner wall of the hemispherical shell 1 can also be metal parts connected through a welding structure. The cambered surface groove 4 can be a spherical groove, and the circumferential groove surface of the cambered surface groove can be parallel to the outer wall of the hemispherical shell 1. The convex column 5 can be integrated with the reinforcing rib 2, the convex column 5 and the reinforcing rib 2 can be metal pieces connected through a welding structure, the convex column 5 can be a cylinder or a square column, and the central axis of the convex column 5 is preferably coincided with the central axis of the reinforcing rib 2. Connecting screw 3 stretches into in the connecting screw, and be in connecting screw internal rotation connects the back, four of strengthening rib 2 the circumference lateral wall of gusset respectively with circumference groove face matches the contact, and four of strengthening rib 2 the radial lateral wall with one side of gusset all with radial groove face contact, four of strengthening rib 2 promptly the radial lateral wall on the left side or the right side of gusset all with radial groove face contact. Projection 5 can be the magnetic column, and hemisphere shell 1 is the metal spherical shell, and perhaps the terminal surface of projection 5 is the magnetic surface, or the terminal surface of projection 5 is provided with the embedded groove, is provided with the magnetic pad in the embedded groove, and the magnetic pad can be connected with the tank bottom surface of embedded groove through the glue film, can improve the firm in connection nature of projection 5 and post hole 6 like this, improves two hemisphere shell 1 integrated configuration's fastness. The edges of the end surfaces of the two hemispherical shells 1 can be connected through a welding structure, so that the strength of the combined connecting structure of the two hemispherical shells 1 can be improved. The corner post 8 can be connected with the rib plate, and the corner post 8 can also be connected with the inner wall of the hemispherical shell 1. The corner post 8 can be connected with the rib plate or the hemispherical shell 1 through a welding structure or a bolt structure.
Example 2:
a bolt ball for steel structure connection is similar to example 1 except that the cross section of the corner post 8 is a right-angled sector, as shown in FIG. 4. Therefore, the corner posts 8 can be conveniently matched and connected with the crossed reinforcing ribs 2.
Preferably, referring to fig. 4, two sides of the corner post 8 are respectively connected with connecting plates 10, and the connecting plates 10 are respectively contacted with the side walls of the rib plates. Therefore, the corner posts 8 can be conveniently connected with the rib plates through the connecting plates 10. The connecting plate 10 may be connected to the corner post 8 by a bolt structure or a welded structure, and the connecting plate 10 may also be integrated with the corner post 8.
Preferably, the connecting plate 10 and the rib plate are made of metal pieces connected by a welding structure.
Preferably, referring to fig. 4, fixing screw holes are respectively formed in the connecting plate 10 and the side wall of the rib plate, and the connecting plate 10 is connected with the rib plate through fixing bolts 11 arranged in the fixing screw holes.
Preferably, referring to fig. 4, the steel-structured screw 12 is connected to the bolt ball through the outer connection screw hole 7 and the inner connection screw hole 9 in sequence.
Preferably, referring to fig. 4, an annular gasket groove is arranged at the outer end of the outer connecting screw hole 7, and a gasket 13 sleeved outside the steel structure screw 12 is arranged in the gasket groove. Therefore, the steel structure screw 12 can be prevented from slipping and limited stably through the gasket 13. The gasket 13 may be a rubber gasket. The gasket 13 may be connected to the groove surface of the gasket groove by a glue layer.
Example 3:
a bolt ball for steel structure connection is similar to the bolt ball in embodiment 1, except that the circumferential groove surfaces of the cambered surface grooves 4 are inclined cambered surfaces as seen in figure 5. That is, if point a is taken on the circumferential groove surface of the cambered groove 4, the intersection point of the extension line of the point a and the perpendicular line of the central axis of the reinforcing rib 2 and the outer wall of the hemispherical shell 1 is point b, the point a is crossed to form a tangent line L1 of the circumferential groove surface of the cambered groove 4, and the point b is crossed to form a tangent line L2 of the outer wall of the hemispherical shell 1, so that the included angle between the tangent line L1 and the tangent line L2 is greater than 0 ° and less than 90 °. Therefore, the firmness of the combined connecting structure of the reinforcing rib 2 and the hemispherical shell 1 can be further improved.
Preferably, four circumferential side walls of the reinforcing rib 2 are all set to be inclined arc-shaped surfaces matched with the circumferential groove surfaces. Thus, the installation of the combined structure of the reinforcing rib 2 and the hemispherical shell 1 can be facilitated.
Preferably, the reinforcing rib 2 is provided with damping cushions 14 on four circumferential side walls. The damping pad 14 is in surface contact with the cambered groove 4. Therefore, the anti-skid performance between the reinforcing ribs 2 and the hemispherical shell 1 can be improved, and the firm stability of the connecting structure of the reinforcing ribs and the hemispherical shell is improved.
Although the preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, but only by the scope of the appended claims.
Claims (9)
1. A bolt ball for steel structure connection comprises two hemispherical shells (1), cross-shaped reinforcing ribs (2) are arranged in the hemispherical shells (1), and is characterized in that the inner ends of the reinforcing ribs (2) are provided with connecting screw rods (3), connecting screw holes are formed in the positions, located on the connecting screw rods (3), of the inner walls of the end portions of the hemispherical shells (1), four transverse L-shaped cambered surface grooves (4) are uniformly distributed on the inner side wall of each hemispherical shell (1), the circumferential groove surfaces of the cambered surface grooves (4) are all cambered surfaces, the radial groove surfaces of the cambered surface grooves (4) are planes, and the circumferential side walls of four rib plates of each reinforcing rib (2) are all arc surfaces matched with the circumferential groove surfaces; the outer end face of the reinforcing rib (2) of one hemispherical shell (1) is provided with a convex column (5), and the outer end face of the reinforcing rib (2) of the other hemispherical shell (1) is provided with a column hole (6) matched with the convex column (5); the connecting screw rod (3) extends into the connecting screw hole and is rotationally connected in the connecting screw hole, the circumferential side walls of the four rib plates of the reinforcing rib (2) are respectively in matched contact with the circumferential groove surface, and the radial side walls of the four rib plates of the reinforcing rib (2) on the same side are in contact with the radial groove surface; the side wall of the hemispherical shell (1) is respectively provided with four external connection screw holes (7) which are uniformly distributed in the circumferential direction; after the convex column (5) of the reinforcing rib (2) of one hemispherical shell (1) extends into the column hole (6) of the reinforcing rib (2) of the other hemispherical shell (1), the two hemispherical shells (1) are oppositely combined to form the bolt ball; corner columns (8) are respectively arranged between the adjacent rib plates of the cross-shaped reinforcing ribs (2); the side walls of the corner posts (8) are provided with inner connecting screw holes (9) at the positions of the outer connecting screw holes (7).
2. Bolt ball for steel structural joints according to claim 1, characterised in that the cross-section of the corner post (8) is in the form of a right-angled sector.
3. The bolt ball for steel structure connection according to claim 1, wherein the two sides of the corner post (8) are respectively connected with a connecting plate (10), and the connecting plates (10) are respectively contacted with the side wall of the rib plate.
4. The bolt ball for steel structure connection according to claim 3, wherein the connection plate (10) and the rib plate are provided as metal pieces connected by a welded structure.
5. The bolt ball for steel structure connection according to claim 4, wherein the connecting plate (10) and the side wall of the rib plate are respectively provided with a fixing screw hole, and the connecting plate (10) and the rib plate are connected through a fixing bolt (11) arranged in the fixing screw hole.
6. The bolt ball for steel structure connection according to claim 1, characterized in that the outer end of the external connection screw hole (7) is provided with an annular gasket groove, and a gasket (13) sleeved outside the steel structure screw rod (12) is arranged in the gasket groove.
7. The bolt ball for steel structure connection according to claim 1, characterized in that the circumferential groove surfaces of the cambered grooves (4) are all inclined cambered surfaces.
8. The bolt ball for steel structure connection according to claim 7, characterized in that four circumferential side walls of the reinforcing rib (2) are each provided as an inclined arc-shaped face matching the circumferential groove face.
9. The bolt ball for steel structure connection according to claim 1, wherein damping pads (14) are provided on all four circumferential side walls of the reinforcing rib (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810590314.XA CN110578370B (en) | 2018-06-09 | 2018-06-09 | Bolt ball for steel structure connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810590314.XA CN110578370B (en) | 2018-06-09 | 2018-06-09 | Bolt ball for steel structure connection |
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| Publication Number | Publication Date |
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| CN110578370A CN110578370A (en) | 2019-12-17 |
| CN110578370B true CN110578370B (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810590314.XA Active CN110578370B (en) | 2018-06-09 | 2018-06-09 | Bolt ball for steel structure connection |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376402B (en) * | 2020-11-12 | 2022-04-26 | 黑龙江八一农垦大学 | Connecting node for steel structure bridge connecting rod |
| CN114150767B (en) * | 2021-11-03 | 2023-12-08 | 天津市港丰建筑安装工程有限公司 | Primary and secondary self-locking steel rod structure connecting piece |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2592446A1 (en) * | 1985-12-27 | 1987-07-03 | Chamayou Gerard | Assembly device for tubes or bars equipped with tapped connectors |
| CA2013200C (en) * | 1989-03-29 | 1999-02-23 | Hellmuth Swoboda | Modular coupling for use in frameworks, scaffoldings and the like |
| US8820025B1 (en) * | 2011-06-30 | 2014-09-02 | Alexis Rochas | Universal node for space frame structures |
| KR20170121972A (en) * | 2016-04-26 | 2017-11-03 | 주식회사 랜드랜 | Ball-truss having assembly space and truss assembling structure using the ball-truss |
| CN107617989A (en) * | 2017-09-29 | 2018-01-23 | 苏州海陆重工股份有限公司 | Pin-connected panel holds round frock |
-
2018
- 2018-06-09 CN CN201810590314.XA patent/CN110578370B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2592446A1 (en) * | 1985-12-27 | 1987-07-03 | Chamayou Gerard | Assembly device for tubes or bars equipped with tapped connectors |
| CA2013200C (en) * | 1989-03-29 | 1999-02-23 | Hellmuth Swoboda | Modular coupling for use in frameworks, scaffoldings and the like |
| US8820025B1 (en) * | 2011-06-30 | 2014-09-02 | Alexis Rochas | Universal node for space frame structures |
| KR20170121972A (en) * | 2016-04-26 | 2017-11-03 | 주식회사 랜드랜 | Ball-truss having assembly space and truss assembling structure using the ball-truss |
| CN107617989A (en) * | 2017-09-29 | 2018-01-23 | 苏州海陆重工股份有限公司 | Pin-connected panel holds round frock |
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| CN110578370A (en) | 2019-12-17 |
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