Joint connecting structure of steel pipe truss

Abstract

The utility model discloses a joint connecting structure of a steel pipe truss, which comprises a steel pipe A, one end of the steel pipe A is a non-communicated choke plug, and the other end opening of the steel pipe A is provided with an inward concave opening; the two ends of the steel pipe B are communicated and through, the end opening of the steel pipe B is provided with an outwards-concave convex opening, and the outer boss of the outwards-convex opening and the inwards-concave table of the inwards-concave opening are inserted, matched and propped against each other; the exteriors of the steel pipe A and the steel pipe B are connected in a tensioning mode through a linear tensioning strip and a bent tensioning strip. The exteriors of the steel pipe A and the steel pipe B are connected in a tensioning mode through the linear tensioning strip and the bent tensioning strip, the outer convex opening and the inner concave opening abut against each other for limiting, and therefore the steel pipe A and the steel pipe B are fixedly connected, and due to the fact that the exteriors of the steel pipe A and the steel pipe B are fixedly connected through the linear tensioning strip and the bent tensioning strip, the problem that pipe bodies or rod bodies are not communicated is solved; and a bolt is inconvenient to be mounted at a fixing sleeve to be fixedly connected with a nut in a screwing manner.

Description

Technical Field

[0001] The utility model relates to a joint connection structure of a steel tube truss, belonging to the technical field of steel tube truss structures. Background Art

[0002] When constructing in large space environments such as airports, steel pipe trusses are required, and the joints of the steel pipes spaced apart from the trusses need to be fixedly connected.

[0003] The existing truss joint structure is shown in Chinese patent publication number CN2615481Y. The disclosed technology is: a nut and a fixing sleeve are installed inside the corresponding main chord to be connected, and then the nut and the fixing sleeve are screwed together by bolts; although the joint can be fixedly connected, for non-connected pipes or rods, it is inconvenient to install the bolts at the fixing sleeve to screw together with the nut for fixed connection. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a joint connection structure of a steel tube truss.

[0005] The utility model is realized through the following technical solutions.

[0006] The utility model provides a joint connection structure of a steel tube truss, comprising:

[0007] Steel pipe A, one end of which is a non-connected bulkhead, and the other end of which is provided with an inwardly concave notch;

[0008] Steel pipe B, both ends of steel pipe B are connected and transparent, the end of steel pipe B is provided with an outer convex opening with an outer convex platform of the outer convex opening and an inner concave platform of the inner concave opening inserted and matched to each other;

[0009] The steel pipe A and the steel pipe B are externally tightened and connected by a straight tension bar and a curved tension bar.

[0010] A mounting platform A is fixed to the outside of the steel pipe A located at the inner recess; a mounting platform B is fixed to the outside of the steel pipe B located at the outer protrusion; straight tension strips and curved tension strips are tightly attached to both sides of mounting platforms B and A, and the straight tension strips and curved tension strips are fixed on mounting platforms B and A.

[0011] The straight tension strip and the curved tension strip are fixed on the mounting platform B and the mounting platform A through anchors.

[0012] The straight tension strip is pressed outside the curved section and fixed on the mounting platform B and the mounting platform A through anchoring pieces.

[0013] The mounting platform A is distributed on the outer circumference of the steel pipe A at multiple intervals, and the mounting platform B is distributed on the outer circumference of the steel pipe B at multiple intervals.

[0014] The mounting platforms A and B are provided with matching openings, and the two ends of the bent tensioning strip are provided with bent sections, and the bent sections are provided with matching convex parts. After the bent sections at the two ends of the bent tensioning strip are bent to correspond and tightly wrap around the mounting platforms A and B, the matching convex parts are snapped into the matching openings on the mounting platforms A and B, thereby realizing the pre-tensioning connection of the bent tensioning strip during the initial installation.

[0015] The beneficial effect of the utility model is that the outside of steel pipe A and steel pipe B are tightened and connected externally by straight tension strips and curved tension strips, and the outer convex mouth and the inner concave mouth are tightly limited to achieve fixed connection between steel pipe A and steel pipe B. Since the straight tension strips and the curved tension strips fix the outside of steel pipe A and steel pipe B, the problem of non-connected pipe bodies or rod bodies, which makes it inconvenient to install bolts on the fixing sleeves to screw with nuts for fixed connection, is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the joint connection structure of the utility model when it is applied;

[0017] Figure 2 It is a schematic diagram of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the utility model when it is assembled;

[0019] In the figure: 1-steel pipe A; 11-inner recess; 12-mounting platform A; 2-steel pipe B; 21-outer convex opening; 22-mounting platform B; 3-straight tension strip; 4-curved tension strip; 5-anchor; 41-bent section; 42-matching convex portion. DETAILED DESCRIPTION

[0020] The technical solution of the utility model is further described below, but the scope of protection required is not limited to the description.

[0021] like Figures 1 to 3 shown.

[0022] A joint connection structure of a steel tube truss of the present application includes:

[0023] The end of the steel pipe A1 is a non-connected blind end, and the steel pipe A1 is two spaced apart. The end of the steel pipe A1 is provided with an inwardly concave notch 11;

[0024] The end is a connected and transparent steel pipe B2, and the end of the steel pipe B2 is provided with an outwardly concave convex opening 21, and the outer boss of the outer convex opening 21 is inserted and matched with the inner concave opening 11; the outer convex openings 21 at both ends of the steel pipe B2 are docked and pressed against the inner concave openings 11 at the ends of the two steel pipes A1 distributed at intervals, so as to achieve axial sliding limit and radial rotation limit.

[0025] The steel pipe A1 located at the inner concave opening 11 is welded and fixed with a mounting platform A12 on the outside, and the mounting platforms A12 are distributed at intervals on the outer periphery of the steel pipe A1; the steel pipe B2 located at the outer convex opening 21 is welded and fixed with a mounting platform B22 on the outside, and the mounting platforms B22 are distributed at intervals on the outer periphery of the steel pipe B2; the straight tension strip 3 and the curved tension strip 4 are closely attached to the mounting platform B22 and the mounting platform A12 on both sides between the mounting platform B22 and the mounting platform A12, and the straight tension strip 3 and the curved tension strip 4 are fixed to the mounting platform B22 and the mounting platform A12 by anchors 5 composed of screws or rivets. The straight tension strip 3 is pressed on the outside of the curved section 41 and fixed to the mounting platform B22 and the mounting platform A12 by anchors 5.

[0026] The outside of the steel pipe A1 and the steel pipe B2 are tightened and connected externally by a straight tension strip 3 and a curved tension strip 4, and the outer convex portion 21 and the inner concave portion 11 are pressed against each other to limit the position, thereby realizing a fixed connection between the steel pipe A1 and the steel pipe B2. Since the straight tension strip 3 and the curved tension strip 4 fix the outside of the steel pipe A1 and the steel pipe B2, the problem of inconvenient fixed connection by screwing the nut and the fixing sleeve together inside the chord rod through bolts in a non-connected pipe body or rod body is solved.

[0027] The non-connected pipe body or rod body makes it inconvenient to install the bolt on the fixing sleeve to screw with the nut for fixing the connection.

[0028] The mounting platforms A12 and B22 are provided with matching openings, and the two ends of the curved tension strip 4 are provided with curved sections 41, and the curved sections 41 are provided with matching protrusions 42. After the curved sections 41 at the two ends of the curved tension strip 4 are bent to correspond and closely wrap the mounting platforms A12 and B22, the matching protrusions 42 are snapped into the matching openings on the mounting platforms A12 and B22, so as to realize the pre-tensioning connection of the curved tension strip 4 during the initial installation. It is convenient to align the positions of multiple mounting platforms A12 corresponding to multiple mounting platforms B22 during the initial installation.

Claims

1. A joint connection structure of a steel tube truss, characterized in that: include: A steel pipe A (1), one end of which is a non-connected bulkhead, and the other end of which is provided with an inwardly concave notch (11); The steel pipe B (2) has two ends which are connected and transparent. The end of the steel pipe B (2) is provided with an outer convex opening (21) which is concave. The outer convex platform of the outer convex opening (21) is inserted and matched with the inner concave platform of the inner concave opening (11). The steel pipe A (1) and the steel pipe B (2) are externally tightened and connected via a straight tension bar (3) and a curved tension bar (4).

2. The joint connection structure of the steel tube truss according to claim 1, characterized in that: A mounting platform A (12) is fixed to the outside of the steel pipe A (1) located at the inner concave opening (11); a mounting platform B (22) is fixed to the outside of the steel pipe B (2) located at the outer convex opening (21); a straight tensioning strip (3) and a curved tensioning strip (4) are tightly attached to both sides between the mounting platform B (22) and the mounting platform A (12), and the straight tensioning strip (3) and the curved tensioning strip (4) are fixed to the mounting platform B (22) and the mounting platform A (12).

3. The joint connection structure of the steel tube truss according to claim 2, characterized in that: The straight tension strip (3) and the curved tension strip (4) are fixed on the mounting platform B (22) and the mounting platform A (12) via anchoring pieces (5).

4. The joint connection structure of the steel tube truss according to claim 2, characterized in that: The mounting platform A (12) and the mounting platform B (22) are provided with matching openings, and the two ends of the bending tension strip (4) are provided with bending sections (41), and the bending sections (41) are provided with matching convex parts (42). After the bending sections (41) at the two ends of the bending tension strip (4) are bent to correspond and tightly wrap around the mounting platform A (12) and the mounting platform B (22), the matching convex parts (42) are snapped into the matching openings on the mounting platform A (12) and the mounting platform B (22), so as to realize the pre-tensioned connection of the bending tension strip (4) during the initial installation.

5. The joint connection structure of the steel tube truss according to claim 2, characterized in that: The mounting platforms A (12) are distributed at intervals on the outer circumference of the steel pipe A (1), and the mounting platforms B (22) are distributed at intervals on the outer circumference of the steel pipe B (2).

6. The joint connection structure of the steel tube truss according to claim 4, characterized in that: The straight tension strip (3) is pressed on the outside of the curved section (41) and fixed on the mounting platform B (22) and the mounting platform A (12) through anchoring pieces (5).

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