Super-large-span non-prestressed pipe truss structure

Abstract

The utility model belongs to the technical field of pipe truss structures, and particularly relates to a super-large-span non-prestressed pipe truss structure which comprises a first steel pipe, a connecting ring is connected to the end of the first steel pipe in an inserted mode, inserting grooves are symmetrically formed in the two sides of the connecting ring, and rubber rings are installed in the inserting grooves. A fixing disc is integrally arranged in the middle of the connecting ring, a first steel cable penetrates through the middle of the fixing disc rightwards, a locking ring is fixed to the end of the first steel cable, a second steel cable penetrates through the middle of the fixing disc leftwards, and a second steel pipe is inserted into the left side of the connecting ring. The steel cables are arranged, the three first steel cables can be tensioned on the left side and the right side for overall assembly operation, it is guaranteed that a plurality of steel pipes can be connected and assembled, the assembly operation can be stably and conveniently conducted, external insertion is matched with internal steel cables for fastening, the overall connection stability is effectively guaranteed, and flexible combination meets the use requirements of different spans.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipe truss structure technical field especially relates to a super span non prestressed pipe truss structure. BACKGROUND

[0002] Since the emergence of prestressed concrete (PC) beam, the modern bridge technology has begun to develop rapidly, and the span capacity of the bridge has reached a new level. The traditional prestressed concrete box girder has large bending stiffness and torsional stiffness, and has good economy, applicability and constructability. It is the preferred structure form of long-span bridge.

[0003] The existing pipe truss structure has the problems of inconvenient assembly connection and inconvenience in adapting to different direction connection assembly.

[0004] Therefore, a super span non prestressed pipe truss structure is needed. UTILITY MODEL CONTENTS

[0005] The utility model provides a super span non prestressed pipe truss structure, solves the problem of inconvenient assembly connection and inconvenience in adapting to different direction connection assembly in the prior art.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A super span non prestressed pipe truss structure, comprising a first steel pipe, the end of the first steel pipe is connected with a connecting ring in a plug-in manner, two sides of the connecting ring are symmetrically provided with a slot, a rubber ring is installed in the slot, a fixing disc is integrally arranged at the middle of the connecting ring, a first steel cable penetrates the fixing disc from right to left, a lock ring is fixed at the end of the first steel cable, a second steel cable penetrates the fixing disc from left to right, a second steel pipe is plugged into the left side of the connecting ring, a connecting frame is integrally arranged around the connecting ring in a ring shape, and a connecting mechanism is screw-connected in the connecting frame.

[0008] Preferably, the connecting ring is symmetrically arranged about the central axis of the first steel pipe, and the first steel cable is arranged in parallel in the first steel pipe.

[0009] Preferably, the first steel pipe, the fixing disc and the connecting ring form a fixing structure through the first steel cable, and the first steel pipe and the connecting ring form a clamping structure.

[0010] Preferably, the fixing discs at both ends are connected by tensioning the first steel cable, and the first steel cable forms a fixing structure between the lock ring and the fixing disc.

[0011] Preferably, the connecting mechanism comprises an extension pipe, a screw rod is integrally arranged at the bottom of the extension pipe, and a connecting groove is formed at the top of the extension pipe.

[0012] Preferably, the connecting groove is symmetrically arranged with respect to the central axis of the extension pipe.

[0013] Preferably, the extension pipe is detachably arranged between the connecting frame and the screw rod.

[0014] The utility model provides a kind of super span non-prestressed pipe truss structure, compared with prior art, the beneficial effects of the utility model are:

[0015] 1、By setting steel cable, the both ends of first steel pipe are respectively inserted with connecting ring, and three first steel cables are inserted and connected by the three holes of the middle fixing disc, the end of first steel cable is bent and locked by lock ring, so that first steel cable and fixing disc are fixed, and the first steel cable passing through fixing disc is fastened and connected, so that the connecting ring at both ends and the first steel pipe in the middle are firmly installed together, and the excess connecting bolt is also ensured to be stably and effectively inserted with connecting ring, and six holes are arranged in the annular of a fixing disc, which can ensure that three first steel cables can be tightened on both sides for overall assembly operation, and multiple steel pipes can be connected and assembled, and the assembly operation is stable and convenient, the external insertion is matched with the internal steel cable fastening, which effectively ensures the stability of overall connection, and flexible combination can meet the use requirements of different spans.

[0016] 2、By setting connecting mechanism, five groups of connecting frames arranged in annular shape can be added at appropriate positions, so that multiple pipe trusses can be connected and assembled, and the connection can form a triangular stable structure, and the convenient assembly is also conducive to meeting the use requirements of different spans, and the assembly is stable and convenient to disassemble, according to the needs, the extension pipe is connected and fixed by screw rod and connecting frame, and the appropriate connecting rod is inserted into the connecting groove for assembly, and the other end is inserted and connected with other steel pipe to ensure the assembly and use of overall pipe truss. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structure schematic view of the utility model of a kind of super span non-prestressed pipe truss structure;

[0018] Figure 2 It is the overall structure schematic view of the utility model of a kind of super span non-prestressed pipe truss structure;

[0019] Figure 3 It is the steel cable and fixing disc connection structure schematic view of the utility model of a kind of super span non-prestressed pipe truss structure;

[0020] Figure 4 It is the connecting mechanism installation structure schematic view of the utility model of a kind of super span non-prestressed pipe truss structure.

[0021] In the figure: 1, the first steel pipe; 2, connecting ring; 3, slot; 4, rubber ring; 5, fixed disc; 6, first steel cable; 7, lock ring; 8, second steel cable; 9, second steel pipe; 10, connecting frame; 11, connecting mechanism; 1101, extension pipe; 1102, screw rod; 1103, connecting groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a technical scheme: a kind of super span non-prestressed pipe truss structure, including first steel pipe 1, the end of first steel pipe 1 is connected with connecting ring 2 by insertion, two sides of connecting ring 2 are symmetrically provided with slot 3, rubber ring 4 is installed in the inside of slot 3, fixed disc 5 is integrally arranged in the middle of connecting ring 2, first steel cable 6 is right through the middle of fixed disc 5, lock ring 7 is fixed in the end of first steel cable 6, second steel cable 8 is left through the middle of fixed disc 5, second steel pipe 9 is inserted in the left side of connecting ring 2, connecting frame 10 is integrally arranged in the periphery of connecting ring 2 in annular shape, connecting mechanism 11 is screw connected in the inside of connecting frame 10.

[0024] Further, connecting ring 2 is symmetrically arranged about the central axis of first steel pipe 1, and first steel cable 6 is arranged in parallel in the inside of first steel pipe 1, and no extra connecting bolt is arranged outside to ensure stable and effective insertion connection of first steel pipe 1 and connecting ring 2.

[0025] Further, first steel pipe 1 forms a fixed structure with connecting ring 2 through fixed disc 5 and first steel cable 6, and forms a clamping structure between first steel pipe 1 and connecting ring 2 through slot 3, so that three first steel cables 6 on the left and right sides can be pulled tight for overall assembly operation, and multiple steel pipes can be connected and assembled, and the assembly operation is stable and convenient, and the insertion of the outside and the fastening of the steel cable of the inside ensure the stability of the overall connection.

[0026] Further, the fixed discs 5 at both ends are connected by pulling tight first steel cable 6, and first steel cable 6 forms a fixed structure between lock ring 7 and fixed disc 5, and the first steel cable 6 passing through the fixed disc 5 at the other end is pulled tight for fastening connection, so that the connecting rings 2 at both ends and the first steel pipe 1 in the middle are firmly clamped and installed together.

[0027] Further, the connecting mechanism 11 comprises an extension pipe 1101, the bottom of the extension pipe 1101 is integrally provided with a screw rod 1102, and the top of the extension pipe 1101 is provided with a connecting groove 1103.

[0028] Further, the connecting groove 1103 is symmetrically arranged about the central axis of the extension pipe 1101, so that multi-group pipe truss connecting assembly can be conveniently performed, the connection can be better formed into a triangular stable structure, meanwhile, convenient assembly is also conducive to adapting to the use requirements of different spans, and disassembly and assembly are convenient.

[0029] Further, the extension pipe 1101 and the connecting frame 10 constitute a detachable structure through the screw rod 1102, so that multi-group pipe truss connecting assembly can be conveniently performed, the connection can be better formed into a triangular stable structure, meanwhile, convenient assembly is also conducive to adapting to the use requirements of different spans, and disassembly and assembly are convenient.

[0030] Working principle: first, the two ends of the first steel pipe 1 are respectively connected with the connecting ring 2 through plug-in connection, and three first steel wires 6 are connected and pulled tight through the three holes on the middle fixing disc 5, the end of the first steel wire 6 is bent and locked through the lock ring 7, so that the first steel wire 6 and the fixing disc 5 are fixed with each other, and the first steel wire 6 passing through the fixing disc 5 at the other end is tightly connected, so that the two ends of the connecting ring 2 and the middle first steel pipe 1 are firmly clamped and installed together, and the plug-in connection of the first steel pipe 1 and the connecting ring 2 is also ensured to be stable and effective, and six holes are arranged in the annular of one fixing disc 5, which can ensure that three first steel wires 6 on the left and right sides can be pulled tight for overall assembly operation, so that multiple steel pipes can be connected and assembled, and the assembly operation is stable and convenient, the plug-in connection of the outside and the steel wire fastening of the inside can effectively ensure the stability of the overall connection, and the flexible combination can adapt to the use requirements of different spans.

[0031] Then, five groups of connecting frames 10 arranged in the annular on the outside can be connected with the connecting mechanism 11 at any suitable position, so that multi-group pipe truss connecting assembly can be conveniently performed, the connection can be better formed into a triangular stable structure, meanwhile, convenient assembly is also conducive to adapting to the use requirements of different spans, disassembly and assembly are convenient, assembly is stable, the extension pipe 1101 is connected and fixed with the connecting frame 10 through the screw rod 1102, a suitable connecting rod is inserted into the connecting groove 1103 for assembly, and the other end of the connecting rod is connected with other steel pipes to ensure the assembly and use of the overall pipe truss.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A super-span non-prestressed tubular truss structure comprising first steel tubes (1), characterized in that: The end of the first steel pipe (1) is connected with a connecting ring (2), two sides of the connecting ring (2) are symmetrically provided with a slot (3), the inside of the slot (3) is provided with a rubber ring (4), the middle of the connecting ring (2) is integrally provided with a fixing disc (5), the middle of the fixing disc (5) penetrates rightwards with a first steel cable (6), the end of the first steel cable (6) is fixed with a lock ring (7), the middle of the fixing disc (5) penetrates leftwards with a second steel cable (8), the left side of the connecting ring (2) is connected with a second steel pipe (9), the periphery of the connecting ring (2) is integrally provided with a connecting frame (10), the inside of the connecting frame (10) is screw-connected with a connecting mechanism (11).

2. The super-long span non-prestressed pipe truss structure according to claim 1, characterized in that: The connecting ring (2) is symmetrically arranged about the central axis of the first steel pipe (1), and the first steel cable (6) is arranged in parallel inside the first steel pipe (1).

3. The super-long span non-prestressed pipe truss structure according to claim 1, characterized in that: The first steel pipe (1) is connected with the connecting ring (2) through the fixing disc (5) and the first steel cable (6) to form a fixed structure, and the first steel pipe (1) is connected with the connecting ring (2) through the slot (3) to form a clamping structure.

4. The super-long span non-prestressed pipe truss structure according to claim 1, characterized in that: The fixing discs (5) at both ends are connected through the first steel cable (6), and the first steel cable (6) is connected with the fixing disc (5) through the lock ring (7) to form a fixed structure.

5. The super-long span non-prestressed pipe truss structure according to claim 1, characterized in that: The connecting mechanism (11) comprises an extension pipe (1101), and the bottom of the extension pipe (1101) is integrally provided with a screw rod (1102).

6. The super-long span non-prestressed pipe truss structure according to claim 5, characterized in that: The top of the extension pipe (1101) is provided with a connecting groove (1103).

7. The super-long span non-prestressed pipe truss structure according to claim 6, characterized in that: The connecting groove (1103) is symmetrically arranged about the central axis of the extension pipe (1101).

8. The super-long span non-prestressed pipe truss structure according to claim 7, characterized in that: The extension pipe (1101) is connected with the connecting frame (10) through the screw rod (1102) to form a detachable structure.

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