CN212956942U - Anti-loosening bolt ball joint for space grid structure - Google Patents
Anti-loosening bolt ball joint for space grid structure Download PDFInfo
- Publication number
- CN212956942U CN212956942U CN202021054402.7U CN202021054402U CN212956942U CN 212956942 U CN212956942 U CN 212956942U CN 202021054402 U CN202021054402 U CN 202021054402U CN 212956942 U CN212956942 U CN 212956942U
- Authority
- CN
- China
- Prior art keywords
- section
- bolt
- strength bolt
- washer
- ball
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Connection Of Plates (AREA)
Abstract
The patent discloses a space is check bolt ball node for lattice construction, including bolt ball, multistage formula high strength bolt, nut, lock washer and conical head or shrouding. The bolt ball is provided with a plurality of bolt holes; the conical head or the sealing plate is provided with a round hole; the screw rod of the multi-section high-strength bolt is sequentially divided into a smooth circular section, a large thread section, a polygonal section and a small thread section from the screw cap to the other end. The anti-loosening gasket is composed of two identical gaskets with different sawteeth on two sides. The pulling and pressing forces of the rod piece are transmitted to the bolt ball by the multi-section high-strength bolt. This node does not contain pin and sleeve, simple to operate, and the not hard up of node when the combination of nut and lock washer can effectively support wind-resistant or earthquake etc. and arouse the vibration has guaranteed the reliability of node. The bolt ball does not need to be cut, so the diameter of the required bolt ball is smaller, and the processing cost and the structural cost of the joint are effectively reduced.
Description
Technical Field
This patent relates to spatial grid structure's connected node belongs to the building steel construction field.
Background
The bolt ball node is one of the main node forms of space grid structure, has following shortcoming in the installation use: the high-strength bolt is hidden in the sleeve, and whether the high-strength bolt is screwed up or not can not be judged visually; the installation is that the high-strength bolt is driven by the pin to be screwed into the bolt ball, and the pin is easy to shear under certain conditions, so that the high-strength bolt cannot be screwed, namely the high-strength bolt is usually called as 'false screwing'; in addition, because the deep groove of the high-strength bolt has a certain length along the axial direction of the high-strength bolt, even if the pin is screwed into the deep groove when the installation is completed, the high-strength bolt is not necessarily screwed, and the high-strength bolt also belongs to the category of false screwing of the high-strength bolt.
Disclosure of Invention
The purpose of this patent is for overcoming prior art's not enough, provides a space check bolt ball node for grid structure.
The technical scheme of this patent is as follows:
a check bolt ball joint for a space grid structure comprises a bolt ball, a multi-section high-strength bolt, a nut, a check washer and a conical head or a sealing plate. The bolt ball is provided with a plurality of bolt holes; the conical head or the sealing plate is provided with a round hole; the screw rod of the multi-section high-strength bolt is sequentially divided into a smooth circular section, a large thread section, a polygonal section and a small thread section from the screw cap to the other end; the diameter of the smooth circular section of the multi-section high-strength bolt is consistent with the outer diameter of the large threaded section; the nut is matched with the large thread section of the multi-section high-strength bolt, and the bolt hole of the bolt ball is matched with the small thread section of the corresponding multi-section high-strength bolt; the anti-loosening washer is a set consisting of two identical washers, a round hole is formed in the middle of each washer, different sawteeth are arranged on the upper surface and the lower surface of each washer, one surface of each washer is a cam-shaped large tooth, the slope angle of each washer is larger than the thread angle of the bolt, and the other surface of each washer is a dense small tooth; the cone head or the sealing plate is connected with the bolt ball through a multi-section high-strength bolt and a nut, and the cone head or the sealing plate is welded with the circular tube rod piece.
The thread directions of the large thread section and the small thread section of the multi-section high-strength bolt screw are opposite.
The diameters of the upper round holes of the conical head or the seal plate and the anti-loose washer are 0.5-2mm larger than the diameters of the smooth round sections of the corresponding multi-section high-strength bolts.
The force transmission mechanism is as follows: when the rod is pulled, the tension of the rod is transmitted to the screw rod through the extrusion of the nut and the conical head or the sealing plate, and the screw rod is transmitted to the bolt ball through the thread; when the rod is pressed, the pressure of the rod is transmitted to the screw rod through the extrusion of the nut and the conical head or the sealing plate, and the pressure of the rod is transmitted to the bolt ball through the screw thread. The node has direct force transmission and obvious force transmission path.
Construction and installation steps:
(1) firstly, processing and manufacturing each part of a node and a round pipe rod piece in a factory;
(2) and the multi-section high-strength bolt penetrates through the welding side of the conical head or the sealing plate, penetrates out of the corresponding round hole and then penetrates through the round holes of the anti-loosening gaskets, wherein the large tooth surfaces of the two gaskets are opposite. Then screwing the nut into the large thread section of the multi-section high-strength bolt, and welding the conical head or the sealing plate with the corresponding steel pipe;
(3) during field installation, firstly the polygonal section of the multi-section high-strength bolt is rotated to screw the small thread section of the high-strength bolt into the bolt hole corresponding to the bolt ball until the polygonal section and the bolt ball are tightly propped, and then the nut is rotated towards the nut direction until the nut, the anti-loose washer and the conical head or the seal plate are tightly propped.
The beneficial effect of this patent:
because the multi-section high-strength bolt adopted by the node is provided with the polygonal section, the bolt is not required to be driven by a pin during installation, and parts can be fastened only by screwing the polygonal section and the nut of the multi-section high-strength bolt by a spanner, so that a screwdriver is not required, only a spanner is required, and the installation time is saved; the high-strength bolt joint does not contain a sleeve, the high-strength bolt is exposed, whether the high-strength bolt is screwed up can be judged visually only by observing whether the polygonal section of the high-strength bolt is in ball contact with the bolt, the construction quality is easy to guarantee, and the engineering supervision is convenient; the combination of the nut and the anti-loose washer can effectively resist the loosening of the node when vibration is caused by wind or earthquake, and the reliability of node connection is ensured; the node does not contain a sleeve, and the pressure of the rod piece is transmitted through the multi-section high-strength bolt instead of the sleeve, so that the cutting of a bolt ball body in the traditional bolt ball node is not needed, and the processing cost and time are saved; more importantly, the bolt ball does not need to be cut, and the bolt ball with a relatively small diameter can meet the structural requirement that the bolt does not collide in the ball body, so that the weight of the bolt ball is reduced, and the economy of the whole structure is improved.
Drawings
FIG. 1 is an assembly schematic of the present node;
FIG. 2 is a schematic structural diagram of the node after assembly is completed;
FIG. 3 is a schematic view of the present joint and a plurality of round tubes after assembly;
wherein 1 is a bolt ball, 2 is a multi-section high-strength bolt, 3 is a nut, 4 is a lock washer, 5 is a conical head, and 6 is a circular tube rod piece.
Detailed Description
The implementation mode is as follows:
as shown in fig. 1, the bolt connection node includes a bolt ball 1, a multi-section high-strength bolt 2, a nut 3, a lock washer 4, and a conical head 5. In the bolt ball 1, the bolt hole is determined according to the space angle of the rod piece connected with the node; a round hole is arranged on the conical head 5; the screw rod of the multi-section high-strength bolt 2 is sequentially divided into a smooth circular section, a large thread section, a polygonal section and a small thread section from the screw cap to the other end; the diameter of the smooth circular section of the multi-section high-strength bolt is consistent with the outer diameter of the large threaded section; the nut 3 is matched with the large thread section of the multi-section high-strength bolt 2, and the bolt hole of the bolt ball 1 is matched with the small thread section of the corresponding multi-section high-strength bolt 2; the anti-loosening washer 4 is a set consisting of two identical washers, a round hole is formed in the middle of each washer, different sawteeth are arranged on the upper surface and the lower surface of each washer, one surface of each washer is a cam-shaped large tooth, the slope angle of each washer is larger than the thread angle of the bolt, and the other surface of each washer is a dense small tooth; the conical head 5 and the bolt ball 1 are connected through a multi-section high-strength bolt 2 and a nut 3, and the conical head 5 and the circular tube rod piece 6 are welded.
Construction and installation steps:
(1) firstly, processing and manufacturing each part of a node and a round pipe rod piece in a factory;
(2) the multi-section high-strength bolt 2 penetrates through the welding side of the conical head or the sealing plate, penetrates out of the corresponding round hole, and then penetrates through the round holes of the anti-loosening washers 4, wherein the large tooth surfaces of the two washers are opposite. Then screwing the nut 3 into the large thread section of the multi-section high-strength bolt 2, and welding the conical head 5 or the sealing plate with the corresponding steel pipe;
(3) during field installation, firstly the polygonal section of the multi-section high-strength bolt 2 is rotated to screw the small thread section of the multi-section high-strength bolt 2 into the bolt hole corresponding to the bolt ball until the polygonal section and the bolt ball 1 are tightly pressed, and then the nut 3 is rotated towards the nut direction until the nut 3, the anti-loose washer 4 and the conical head 5 or the seal plate are tightly pressed.
Claims (4)
1. A check bolt ball joint for a space grid structure comprises a bolt ball, a multi-section high-strength bolt, a nut, a check washer and a conical head or a sealing plate, and is characterized in that the bolt ball is provided with a screw bolt hole; the conical head or the sealing plate is provided with a round hole; the screw rod of the multi-section high-strength bolt is sequentially divided into a smooth circular section, a large thread section, a polygonal section and a small thread section from the screw cap to the other end; the diameter of the smooth circular section of the multi-section high-strength bolt is consistent with the outer diameter of the large threaded section; the nut is matched with the large thread section of the multi-section high-strength bolt, and the bolt hole of the bolt ball is matched with the small thread section of the corresponding multi-section high-strength bolt; the anti-loosening washer is a set consisting of two identical washers, a round hole is formed in the middle of each washer, different sawteeth are arranged on the upper surface and the lower surface of each washer, one surface of each washer is a cam-shaped large tooth, the slope angle of each washer is larger than the thread angle of the high-strength bolt, and the other surface of each washer is a dense small tooth; the cone head or the seal plate is connected with the bolt ball through a multi-section high-strength bolt and a nut, and the cone head or the seal plate is welded with the corresponding rod piece.
2. The anti-loose bolt ball joint for the space lattice structure as claimed in claim 1, wherein the thread directions of the large thread section and the small thread section of the multi-section high-strength bolt screw are opposite.
3. The lockbolt ball joint for a space grid structure as claimed in claim 1, wherein the lockwasher is interposed between the nut and the cone head or the closing plate.
4. The check bolt ball joint for a space grid structure as claimed in claim 1, wherein the diameter of the circular hole of the conical head or the sealing plate and the check washer is 0.5-2mm larger than the diameter of the corresponding smooth circular section of the multi-section high-strength bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021054402.7U CN212956942U (en) | 2020-06-10 | 2020-06-10 | Anti-loosening bolt ball joint for space grid structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021054402.7U CN212956942U (en) | 2020-06-10 | 2020-06-10 | Anti-loosening bolt ball joint for space grid structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212956942U true CN212956942U (en) | 2021-04-13 |
Family
ID=75385079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021054402.7U Expired - Fee Related CN212956942U (en) | 2020-06-10 | 2020-06-10 | Anti-loosening bolt ball joint for space grid structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212956942U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915220A (en) * | 2021-10-08 | 2022-01-11 | 张东 | High-strength bolt for steel net frame bolt ball joint |
| CN115492259A (en) * | 2022-10-10 | 2022-12-20 | 无锡周博建筑设计有限公司 | Cyclic assembly type steel pipe net rack node |
-
2020
- 2020-06-10 CN CN202021054402.7U patent/CN212956942U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915220A (en) * | 2021-10-08 | 2022-01-11 | 张东 | High-strength bolt for steel net frame bolt ball joint |
| CN115492259A (en) * | 2022-10-10 | 2022-12-20 | 无锡周博建筑设计有限公司 | Cyclic assembly type steel pipe net rack node |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212956942U (en) | Anti-loosening bolt ball joint for space grid structure | |
| CN111894145A (en) | Double-section high-strength bolt anti-loosening connecting node for space grid structure and construction and installation method thereof | |
| CN103671447B (en) | A kind of split Nested-type single-side bolt fastener | |
| CN103541982B (en) | A kind of Nested-type single-side bolt fastener | |
| CN212957026U (en) | Space grid structure bolt ball and cable connection structure | |
| CN211639739U (en) | Stud assembling device | |
| CN211639740U (en) | Stud mounting tool | |
| CN213626071U (en) | Double-section high-strength bolt anti-loosening connecting node for space grid structure | |
| CN212956943U (en) | Anti-loosening bolt connecting joint for single-layer latticed shell | |
| CN205744782U (en) | A kind of check bolt of easy disassembly | |
| CN210637340U (en) | Novel expansion bolt | |
| CN215926267U (en) | Split type bolted connection node is used to rectangular pipe individual layer net shell | |
| CN112482576A (en) | Double-section high-strength bolt connection node for grid structure containing 30-degree wedge-shaped anti-loose threaded nut and construction and installation method of double-section high-strength bolt connection node | |
| CN114838047A (en) | Anti-loosening screw for mechanical equipment | |
| CN211820277U (en) | Double-pipe anchor bolt | |
| CN212957025U (en) | Spatial grid structure bolt ball and cable conical head type connecting structure | |
| CN208650885U (en) | A kind of flexible roof bolt | |
| CN205781404U (en) | A kind of anti-loosening pipe clamp that is locked | |
| CN209838877U (en) | Ceiling bolt | |
| CN219157931U (en) | Rectangular pipe single-layer net shell connection node containing conical head | |
| CN216130353U (en) | Steel pull rod connecting device | |
| CN211820278U (en) | Anchor bolt | |
| KR20160024263A (en) | A joint for space frame | |
| CN219242405U (en) | High-strength T-shaped anchor bolt capable of realizing unidirectional connection | |
| CN217108588U (en) | Expansion bolt fastening type steel pipe joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |