CN215630707U - Chord member connecting structure - Google Patents
Chord member connecting structure Download PDFInfo
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- CN215630707U CN215630707U CN202121407332.3U CN202121407332U CN215630707U CN 215630707 U CN215630707 U CN 215630707U CN 202121407332 U CN202121407332 U CN 202121407332U CN 215630707 U CN215630707 U CN 215630707U
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Abstract
The utility model discloses a chord connecting structure with stable connection. One end of the rectangular plate in the length direction is positioned in the butt joint end of the first chord and is connected with the inner wall of the first chord; the other end of the rectangular plate in the length direction is positioned in the butt joint end of the second chord and is connected with the inner wall of the second chord; two sides of the rectangular plate are respectively connected with a supporting plate, and the supporting plates are positioned between the butt joint ends of the first chord and the second chord; the first arc-shaped cover plate and the second arc-shaped cover plate are spliced and connected to form a connecting pipe with two open ends; the supporting plate and a part of rectangular plate positioned between the butt joint ends of the first chord member and the second chord member are positioned in the connecting pipe; the support plate is provided with an arc-shaped support surface and supports the first arc-shaped cover plate and the second arc-shaped cover plate; the outer diameters of the first chord member, the second chord member and the connecting pipe are equal; one end of the axis of the connecting pipe is connected with the butt joint end of the first chord member, and the other end of the axis of the connecting pipe is connected with the butt joint end of the second chord member. The connected steel pipe truss has high strength and excellent installation quality.
Description
Technical Field
The utility model belongs to the technical field of steel pipe connection, and particularly relates to a chord member connecting structure.
Background
The difficulty of in-place installation of the steel pipe truss is increasingly prominent, and particularly, the large steel pipe truss cannot be integrally in place at one time and only is manufactured, transported and installed in sections. When the steel pipe truss structure is installed, the steel pipe truss structure to be installed is located at a designed position by utilizing hoisting equipment, and then the chord members of the steel pipe truss structure are connected. The steel pipe truss has the defects of large volume, heavy weight, high installation difficulty, difficulty in accurate installation in place and the like, so that the forming quality, the construction progress and the cost are influenced.
Patent document No. CN204343454U discloses a butt joint member for butt joint of steel pipes by axial cross-shaped annular insertion plates. The butt joint ends of the first steel pipe and the second steel pipe are respectively provided with an axial cross-shaped groove, and four rib inserting plate strips at two ends of the cross-shaped circular ring inserting plate are respectively and correspondingly embedded into the axial cross-shaped grooves of the first steel pipe and the second steel pipe to be fixedly connected. When the mode is adopted, the field installation of the steel pipes is not welded, and the butted steel pipes have the defect of poor stability, so the mode is not suitable for the butt joint installation of the chord members of the steel pipe truss.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a chord connecting structure with stable connection.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the chord connecting structure comprises a first chord and a second chord which are coaxially arranged at intervals, and the first chord and the second chord are of cylinder structures with openings at two ends; the support plate is characterized by also comprising a rectangular plate, a first arc-shaped cover plate, a second arc-shaped cover plate and a support plate which is vertical to the length direction of the rectangular plate;
the inner diameter of the first chord and the inner diameter of the second chord are equal to the width of the rectangular plate; one end of the rectangular plate in the length direction is positioned in the butt joint end of the first chord and is connected with the inner wall of the first chord; the other end of the rectangular plate in the length direction is positioned in the butt joint end of the second chord and is connected with the inner wall of the second chord;
one of the support plates is connected with one side of the rectangular plate, and the other support plate is connected with the other side of the rectangular plate; the supporting plate is positioned between the butt joint ends of the first chord member and the second chord member;
the first arc-shaped cover plate and the second arc-shaped cover plate are spliced and connected to form a connecting pipe with two open ends; the supporting plate and a part of the rectangular plate between the butt joint ends of the first chord member and the second chord member are positioned in the connecting pipe; the support plate is provided with an arc-shaped support surface and supports the first arc-shaped cover plate and the second arc-shaped cover plate;
the outer diameters of the first chord member, the second chord member and the connecting pipe are equal; one end of the axis of the connecting pipe is connected with the butt joint end of the first chord member, and the other end of the axis of the connecting pipe is connected with the butt joint end of the second chord member.
Furthermore, the first arc-shaped cover plate and the second arc-shaped cover plate are both of semi-arc structures.
Furthermore, the support plate is of a semicircular structure, and the diameter of the support plate is equal to the width of the rectangular plate;
the circle center of the semicircular structure is positioned on the midperpendicular of the width of the rectangular plate.
Further, the support plate is located in the middle of the length of the rectangular plate.
Furthermore, the joint of the first arc-shaped cover plate and the second arc-shaped cover plate deviates from two end parts of the rectangular plate in the width direction.
Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a chord connecting structure with stable connection. The connected steel pipe truss has high strength and excellent installation quality. Meanwhile, the structure is simple, and the popularization is facilitated.
Drawings
FIG. 1 is a schematic view of the mounting structure of the present invention;
FIG. 2 is a schematic view of the mounting structure of the first arcuate cover plate, the second arcuate cover plate, the rectangular plate and the support plate of the present invention;
reference numerals: 1-a first chord; 2-a second chord; 3-a rectangular plate; 4-connecting pipe; 401-a first arcuate cover plate; 402-a second arcuate cover plate; 5-support plate.
Detailed Description
The utility model is further illustrated with reference to the following figures and examples.
As shown in the attached drawings, the chord connecting structure comprises a first chord 1 and a second chord 2 which are coaxially arranged at intervals, wherein the first chord 1 and the second chord 2 are cylinder structures with two open ends; the support plate further comprises a rectangular plate 3, a first arc-shaped cover plate 401, a second arc-shaped cover plate 402 and a support plate 5 which is perpendicular to the length direction of the rectangular plate 3.
The inner diameter of the first chord member 1 and the inner diameter of the second chord member 2 are equal to the width of the rectangular plate 3; one end of the rectangular plate 3 in the length direction is positioned in the butt joint end of the first chord 1 and is connected with the inner wall of the first chord 1; the other end of the rectangular plate 3 in the length direction is positioned in the butt joint end of the second chord 2 and is connected with the inner wall of the second chord 2;
one of the support plates 5 is connected with one side of the rectangular plate 3, and the other support plate 5 is connected with the other side of the rectangular plate 3; the supporting plate 5 is positioned between the butt ends of the first chord member 1 and the second chord member 2;
the first arc-shaped cover plate 401 and the second arc-shaped cover plate 402 are spliced and connected to form a connecting pipe 4 with two open ends; the supporting plate 5 and a part of the rectangular plate 3 between the butt ends of the first chord 1 and the second chord 2 are positioned in the connecting pipe 4; the support plate 5 has an arc-shaped support surface and supports the first arc-shaped cover plate 401 and the second arc-shaped cover plate 402;
the outer diameters of the first chord member 1, the second chord member 2 and the connecting pipe 4 are equal; one end of the axis of the connecting pipe 4 is connected with the butt joint end of the first chord member 1, and the other end of the axis of the connecting pipe is connected with the butt joint end of the second chord member 2.
The rectangular plate 3 is connected with the support plate 5 to form a support structure which is placed in advance in the butt end of the first chord 1 of the steel pipe truss structure to be installed.
Firstly, hoisting a steel pipe truss structure to be installed to a designed position through hoisting equipment, pulling out a support structure from the butt joint end part of a first chord member 1 of the steel pipe truss structure, and then placing the support structure into the butt joint end of a second chord member 2 of the steel pipe truss structure on the other side which is installed in place. At this time, one end of the rectangular plate 3 is located in the butt end of the first chord 1, the other end is located in the butt end of the second chord 2, and the support plate 5 is located between the butt ends of the first chord 1 and the second chord 2.
And secondly, welding one end of the rectangular plate 3 with the inner wall of the first chord member 1, welding the other end of the rectangular plate with the inner wall of the second chord member 2, and loosening the hook after the welding is firm. The first chord member 1 and the second chord member 2 are arranged at intervals, so that interference on welding operation is avoided. The first chord member 1 and the second chord member 2 which are arranged at intervals are coaxially arranged through the connection of the rectangular plate 3.
And thirdly, splicing and welding the first arc-shaped cover plate 401 and the second arc-shaped cover plate 402 to form the connecting pipe 4. The support plate 5, and the part of the rectangular plate 3 between the butt ends of the first chord 1 and the second chord 2 are wrapped in the connecting pipe 4. The arc supporting surface of the supporting plate 5 supports the first arc-shaped cover plate 401 and the second arc-shaped cover plate 402, so that the first arc-shaped cover plate 401 and the second arc-shaped cover plate 402 are accurately positioned, and the alignment and welding operation of the first arc-shaped cover plate 401 and the second arc-shaped cover plate 402 are facilitated.
And fourthly, welding one end of the connecting pipe 4 with the butt joint end of the first chord member 1, and connecting the other end of the connecting pipe 4 with the butt joint end of the second chord member 2 to form an integral structure. The two connected steel pipe truss structures are stable in connection and high in strength.
One of the first arc-shaped cover plate 401 and the second arc-shaped cover plate 402 is configured as a major arc structure, and the other is configured as a minor arc structure. Preferably, the first arc-shaped cover plate 401 and the second arc-shaped cover plate 402 are both of a semi-arc-shaped structure.
The supporting plate 5 can be a fan-shaped structure, and preferably, the supporting plate 5 is a semicircular structure, and the diameter of the supporting plate is equal to the width of the rectangular plate 3; the circle center of the semicircular structure is on the perpendicular bisector of the width of the rectangular plate 3. The perpendicular bisector of the width of the rectangular plate 3 is a straight line perpendicular to the width of the rectangular plate 3 and passing through the midpoint of the width of the rectangular plate 3.
The support plate 5 may be offset from the midpoint of the length of the rectangular plate 3 by simply ensuring that it is positioned between the abutting ends of the first chord 1 and the second chord 2. Preferably, the support plate 5 is located in the middle of the length of the rectangular plate 3.
Preferably, the connection between the first arc-shaped cover plate 401 and the second arc-shaped cover plate 402 is offset from both ends of the rectangular plate 3 in the width direction.
The above is a specific embodiment of the present invention, and it can be seen from the implementation process that the present invention provides a chord connecting structure with stable connection. The connected steel pipe truss has high strength and excellent installation quality. Meanwhile, the structure is simple, and the popularization is facilitated.
Claims (5)
1. The chord connecting structure comprises a first chord (1) and a second chord (2) which are coaxially arranged at intervals, wherein the first chord (1) and the second chord (2) are cylinder structures with openings at two ends; the method is characterized in that: the device also comprises a rectangular plate (3), a first arc-shaped cover plate (401), a second arc-shaped cover plate (402) and a support plate (5) which is vertical to the length direction of the rectangular plate (3);
the inner diameter of the first chord (1) and the inner diameter of the second chord (2) are equal to the width of the rectangular plate (3); one end of the rectangular plate (3) in the length direction is positioned in the butt joint end of the first chord (1) and is connected with the inner wall of the first chord (1); the other end of the rectangular plate (3) in the length direction is positioned in the butt joint end of the second chord (2) and is connected with the inner wall of the second chord (2);
one of the supporting plates (5) is connected with one side of the rectangular plate (3), and the other supporting plate (5) is connected with the other side of the rectangular plate (3); the supporting plate (5) is positioned between the butt joint ends of the first chord (1) and the second chord (2);
the first arc-shaped cover plate (401) and the second arc-shaped cover plate (402) are spliced and connected to form a connecting pipe (4) with two open ends; the supporting plate (5) and a part of the rectangular plate (3) positioned between the butt ends of the first chord (1) and the second chord (2) are positioned in the connecting pipe (4); the support plate (5) is provided with an arc-shaped support surface and supports the first arc-shaped cover plate (401) and the second arc-shaped cover plate (402);
the outer diameters of the first chord member (1), the second chord member (2) and the connecting pipe (4) are equal; one end of the axis of the connecting pipe (4) is connected with the butt joint end of the first chord (1), and the other end of the axis of the connecting pipe is connected with the butt joint end of the second chord (2).
2. The chord connecting structure according to claim 1, wherein: the first arc-shaped cover plate (401) and the second arc-shaped cover plate (402) are both of semi-arc structures.
3. The chord connecting structure according to claim 1, wherein: the supporting plate (5) is of a semicircular structure, and the diameter of the supporting plate is equal to the width of the rectangular plate (3);
the circle center of the semicircular structure is positioned on the midperpendicular of the width of the rectangular plate (3).
4. The chord connecting structure according to claim 1, wherein: the supporting plate (5) is positioned in the middle of the length of the rectangular plate (3).
5. The chord connecting structure according to claim 1, wherein: the joint of the first arc-shaped cover plate (401) and the second arc-shaped cover plate (402) deviates from the two end parts of the rectangular plate (3) in the width direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121407332.3U CN215630707U (en) | 2021-06-23 | 2021-06-23 | Chord member connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121407332.3U CN215630707U (en) | 2021-06-23 | 2021-06-23 | Chord member connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215630707U true CN215630707U (en) | 2022-01-25 |
Family
ID=79945081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121407332.3U Active CN215630707U (en) | 2021-06-23 | 2021-06-23 | Chord member connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215630707U (en) |
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2021
- 2021-06-23 CN CN202121407332.3U patent/CN215630707U/en active Active
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