Fabricated steel pipe connecting system and construction method thereof

Abstract

The invention provides an assembly type steel pipe connecting system which comprises a plurality of horizontal rods, a plurality of vertical rods are arranged between every two adjacent horizontal rods, inclined rods are arranged between every two adjacent vertical rods, and outer connecting units are arranged on the outer walls of steel pipe piles, the outer walls of the horizontal rods, the outer walls of the inclined rods and the outer walls of the vertical rods. Inner connecting units connected with the corresponding outer connecting units are arranged at the two ends of the inclined rod, the two ends of the vertical rod and the two ends of the horizontal rod; the external connection unit comprises an external connection inner ring, an external connection outer ring, an external connection reinforcing ring plate between the external connection inner ring and the external connection outer ring, and an external connection screw rod between the external connection inner ring and the external connection outer ring; the inner connection unit comprises an inner connection inner ring, an inner connection outer ring, an inner connection reinforcing ring plate between the inner connection inner ring and the inner connection outer ring, and an inner connection screw rod between the inner connection inner ring and the inner connection outer ring. By means of the inner connecting unit and the outer connecting unit based on the principle of the hoop method, all the steel pipe rod pieces are rapidly assembled into the steel pipe connecting system, assembling and disassembling are convenient, all joint positions of the whole steel pipe connecting system do not need to be welded, and the construction period is greatly shortened.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of steel pipe connection system design and construction, and particularly relates to a fabricated steel pipe connection system and a construction method thereof. BACKGROUND

[0002] In the process of bridge construction, the steel pipe connection system is often used in temporary structures such as steel trestle and few-support support, thereby improving the overall stability of the structure. In the construction of the steel pipe connection system, the traditional construction method is to weld the steel pipe members of various design sizes, which has high precision requirements for the initial length and diameter of the members, cannot fully utilize the existing steel materials, and is difficult to adjust or replace the steel pipe connection system after welding. In addition, the welding operation needs a long time period, which affects the construction progress, and the welding quality is difficult to guarantee, which may cause damage to the members when the steel pipe connection system is removed, thereby causing waste of the steel pipe or leaving safety hazards in subsequent use. SUMMARY

[0003] Therefore, the application aims to overcome the defects in the prior art and provides a fabricated steel pipe connection system and a construction method thereof.

[0004] To achieve the above-mentioned purpose, the technical scheme of the application is as follows:

[0005] A fabricated steel pipe connection system comprises a plurality of horizontal rods arranged between two steel pipe piles, a plurality of vertical rods arranged between adjacent two horizontal rods, and a plurality of inclined rods arranged between adjacent two vertical rods. An outer connection unit is arranged on the outer wall of each of the steel pipe pile, the horizontal rod, the inclined rod, and the vertical rod. An inner connection unit is arranged at the two ends of each of the inclined rod, the vertical rod, and the horizontal rod and connected to the corresponding outer connection unit. The outer connection unit comprises an outer connection inner ring, an outer connection outer ring, an outer connection reinforcing ring plate between the outer connection inner ring and the outer connection outer ring, and an outer connection lead screw between the outer connection inner ring and the outer connection outer ring. The inner connection unit comprises an inner connection inner ring, an inner connection outer ring, an inner connection reinforcing ring plate between the inner connection inner ring and the inner connection outer ring, and an inner connection lead screw between the inner connection inner ring and the inner connection outer ring. A non-rotation screw cap is arranged on the outer connection lead screw and the inner connection lead screw. A pressing member is arranged at the two ends of the outer connection lead screw and the inner connection lead screw. A positive electrode connecting plate is arranged on the inner connection inner ring, and a positive electrode connector is arranged on the positive electrode connecting plate. A negative electrode connector matched with the positive electrode connector is arranged on the outer wall of the outer connection outer ring.

[0006] Further, the negative electrode connector comprises two positive electrode connector connecting plates arranged side by side.

[0007] Further, the lead screw is a full-thread lead screw.

[0008] Further, a bolt hole is arranged on the positive electrode connector, and a fixing hole corresponding to the bolt hole is arranged on the positive electrode connecting plate.

[0009] Further, the pressing member comprises a fixed steel plate, and a gasket is arranged on the outer surface of the fixed steel plate.

[0010] Further, the gasket is a rubber gasket.

[0011] A construction method of a fabricated steel pipe connecting system, comprising the following steps:

[0012] S1, assembling an inner connecting unit and an outer connecting unit;

[0013] S2, arranging the outer connecting unit on the steel pipe pile, adjusting to the design position, connecting the connecting steel plate by using high-strength bolts, adjusting the lead screws and the nuts, tightly pressing the gasket on the outer wall of the steel pipe pile, then fastening the nuts at the ends of the lead screws, and then fixing the outer connecting unit on the outer wall of the steel pipe pile;

[0014] S3, assembling the inclined rods, the vertical rods and the horizontal rods, and installing the outer connecting units on the outer walls of the inclined rods, the vertical rods and the horizontal rods;

[0015] S4, installing the inner connecting units in the ends of the assembled horizontal rods, vertical rods and inclined rods, the male connectors of the inner connecting units extending out of the ends of the steel pipes, adjusting the lead screws and the nuts, tightly pressing the gaskets on the inner walls of the rods, then fastening the nuts at the ends of the lead screws, and then fixing the inner supporting type hoop connecting units on the inner walls of the corresponding rods;

[0016] S5, hoisting the horizontal rods, the vertical rods and the inclined rods connected with the steel pipe pile to a suitable position, inserting the male connectors of the inner connecting units at the ends of the horizontal rods, the vertical rods and the inclined rods into the female connectors of the outer connecting units of the corresponding steel pipe piles, and fixing by using the bolts;

[0017] S6, inserting the male connectors of the inner connecting units at the ends of the vertical rods and the inclined rods into the female connectors of the outer connecting units on the corresponding horizontal rods, and fixing by using the bolts;

[0018] S7, adjusting the lengths of the horizontal rods, the vertical rods and the inclined rods for the second time by loosening and fastening the outer connecting units, so as to adjust the installation precision of the rods on site;

[0019] S8, finally fastening the bolts at the connectors of the connecting units, and completing the assembly of the steel pipe connecting system.

[0020] Further, the inclined rods, the vertical rods and the horizontal rods all adopt telescopic structures.

[0021] Compared with the prior art, the application has the following advantages:

[0022] The present application assembles and disassembles conveniently by the inner connecting unit and the outer connecting unit based on the principle of the hoop method, and the nodes of the whole steel pipe connecting system do not need to be welded, which greatly reduces the construction period, solves the damage to the steel pipe caused by welding, can fully utilize and protect the steel pipe, and saves the construction cost. BRIEF DESCRIPTION OF DRAWINGS

[0023] The accompanying drawings, which form a part of the present application, are intended to provide further understanding of the present application and are incorporated herein for explanation by illustrating the specific embodiments of the present application together with descriptions. In the drawings:

[0024] Figure 1 Structure schematic view of the present application;

[0025] Figure 2 Side view of the outer connecting unit part of the present application;

[0026] Figure 3 Top view of the outer connecting unit part of the present application;

[0027] Figure 4 Side view of the inner connecting unit part of the present application;

[0028] Figure 5 Top view of the inner connecting unit part of the present application;

[0029] Figure 6 Structure schematic view of the present application Figure 1 Enlarged view of structure A in the present application;

[0030] Figure 7 Structure schematic view of the present application Figure 1 Enlarged view of structure B in the present application;

[0031] Figure 8 Structure schematic view of the present application Figure 1 Enlarged view of structure C in the present application.

[0032] Explanation of reference signs: DETAILED DESCRIPTION

[0033] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0034] In the description of the present application, it is to be understood by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" and the like can be explicitly or implicitly included one or more. In the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more.

[0035] In the description of the present application, it is to be understood that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0037] A kind of assembled steel pipe connecting system, as shown in Figures 1 to 8 It includes several horizontal bars 4 arranged between two steel pipe piles 3, and several vertical bars 5 are provided between adjacent two horizontal bars, and diagonal bars 6 are provided between adjacent two vertical bars, the outer wall of steel pipe pile, the outer wall of horizontal bar, the outer wall of diagonal bar, the outer wall of vertical bar are provided with outer connecting unit 1, the two ends of diagonal bar, the two ends of vertical bar and the two ends of horizontal bar are provided with inner connecting unit 2 connected with the corresponding outer connecting unit;Outer connecting unit includes outer connection inner ring 20, outer connection outer ring 21 and outer connection reinforcing ring plate 22 between them, outer connection lead screw between outer connection inner ring and outer connection outer ring;Inner connecting unit includes inner connection inner ring 15, inner connection outer ring 16 and inner connection reinforcing ring plate 17 between them, inner connection lead screw between inner connection inner ring and inner connection outer ring;Anti-rotation nut 14 is provided on outer connection lead screw and inner connection lead screw, and each lead screw 13 is provided with a pressing member at both ends respectively;Anode connection plate 19 is provided on inner connection inner ring, and male connector 8 is provided on anode connection plate, and female connector 7 matched with male connector is provided on the outer wall of outer connection outer ring.

[0038] The female connector comprises two male connector connecting plates arranged side by side. The screw rod adopts a full-thread screw rod. The male connector is provided with a bolt hole, and the male connecting plate is provided with a fixing hole corresponding to the bolt hole. The pressing member comprises a fixed steel plate 10, and a gasket 11 is arranged on the outer surface of the fixed steel plate. The gasket adopts a rubber gasket.

[0039] In a further improved scheme, the horizontal rod, the vertical rod and the inclined rod can be composed of steel pipes with different diameters and lengths, the small-diameter pipe is inserted into the large-diameter pipe, and only the pressing member of the outer connecting unit is needed to clamp and fix the combined position of the large-diameter pipe and the small-diameter pipe, so that the large-diameter pipe clamps the small-diameter pipe on the inner side. Such a structural design can flexibly adjust the length and size of each rod according to the actual situation, greatly improves the universality of the steel pipe connecting system, and can be widely applied to the demand for steel pipe connecting system of various temporary structures in different scenes.

[0040] A construction method of a fabricated steel pipe connecting system, comprising the following steps:

[0041] S1, assembling the inner connecting unit and the outer connecting unit;

[0042] S2, arranging the outer connecting unit on the steel pipe pile, adjusting to the designed position, connecting the connecting steel plate 18 with the high-strength bolt 12, adjusting the screw rod and the nut, tightly pressing the gasket on the outer wall of the steel pipe pile, then tightening the nut at the end of the screw rod beam, and then fixing the outer connecting unit on the outer wall of the steel pipe pile;

[0043] S3, assembling the inclined rod, the vertical rod and the horizontal rod, and installing the outer connecting unit on the outer wall of the inclined rod, the vertical rod and the horizontal rod;

[0044] S4, installing the inner connecting unit in the end of the assembled horizontal rod, vertical rod and inclined rod, the male connector of the inner connecting unit protruding from the end of the steel pipe, adjusting the screw rod and the nut, tightly pressing the gasket on the inner wall of the rod, then tightening the nut at both ends of the screw rod, and then fixing the inner supporting type hoop connecting piece on the inner wall of the corresponding rod;

[0045] S5, hoisting the horizontal rod, vertical rod and inclined rod connected with the steel pipe pile to a suitable position, inserting the male connector of the inner connecting unit at the end of the horizontal rod, vertical rod and inclined rod into the female connector of the outer connecting unit of the corresponding steel pipe column, and fixing with the bolt 9;

[0046] S6, inserting the male connector of the inner connecting unit at the end of the vertical rod and the inclined rod into the female connector of the outer connecting unit on the corresponding horizontal rod, and fixing with the bolt;

[0047] S7, adjusting the length of the horizontal rod, vertical rod and inclined rod for the second time by loosening and tightening the outer connecting unit, to adjust the installation precision of each rod on site;

[0048] S8, finally fasten the bolt at the joint of each connecting member, complete the assembly of the steel pipe connecting system.

[0049] Preferably, the inclined rods, vertical rods and horizontal rods are all telescopic.

[0050] The present application can be quickly assembled into a steel pipe connecting system through the outer connecting unit and the inner connecting unit, the length and size of the connecting system can be flexibly adjusted, the steel pipes do not need to be welded, the assembly and disassembly are time and labor saving, the construction period can be saved, the present application has strong versatility, and the steel material can be fully utilized and protected.

[0051] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An assembled steel pipe connection system, characterized by: It includes several horizontal rods arranged between two steel pipe piles, and several vertical rods are provided between two adjacent horizontal rods, and diagonal rods are provided between two adjacent vertical rods. The outer wall of the steel pipe pile, the outer wall of the horizontal rod, the outer wall of the diagonal rod and the outer wall of the vertical rod are all provided with external connection units, and both ends of the diagonal rod, both ends of the vertical rod and both ends of the horizontal rod are provided with internal connection units connected to the corresponding external connection units; the external connection unit includes an external inner ring, an external outer ring and an external reinforcement ring plate therebetween, and an external connection screw rod between the external inner ring and the external outer ring; the internal connection unit includes an internal inner ring, an internal outer ring and an internal reinforcement ring plate therebetween, and an internal connection screw rod between the internal inner ring and the internal outer ring; anti-rotation nuts are provided on the external connection screw rod and the internal connection screw rod, and clamping parts are provided on both ends of the external connection screw rod and the internal connection screw rod respectively; an anode connection plate is provided on the internal connection inner ring, and a male connector is provided on the anode connection plate, and a female connector matching the male connector is provided on the outer wall of the external outer ring.

2. The assembled steel pipe connection system according to claim 1, characterized in that: The female connector includes two male connector connecting plates arranged side by side.

3. The assembled steel pipe connection system according to claim 1, characterized in that: The screw rod adopts a full-thread screw rod.

4. The assembled steel pipe connection system according to claim 1, characterized in that: The male connector is provided with a pin hole, and the anode connecting plate is provided with a fixing hole corresponding to the pin hole.

5. The assembled steel pipe connection system according to claim 1, characterized in that: The pressing member comprises a fixed steel plate, and a gasket is provided on the outer surface of the fixed steel plate.

6. The assembled steel pipe connection system according to claim 5, characterized in that: The gasket is a rubber gasket.

7. A construction method for the assembled steel pipe connection system according to claim 1, characterized in that: The steps include: S1, assembling the inner connection unit and the outer connection unit; S2. Install the external connection unit on the steel pipe pile. After adjusting it to the designed position, connect the connecting steel plates with high-strength bolts. Adjust the screws and nuts to press the gasket tightly against the outer wall of the steel pipe pile. Then tighten the nuts at the ends of the screw beams to secure the external connection unit to the outer wall of the steel pipe pile. S3, assembling the diagonal bars, vertical bars, and horizontal bars, and installing external connection units on the outer walls of the diagonal bars, vertical bars, and horizontal bars; S4. Install the inner connection unit in the ends of the assembled horizontal rods, vertical rods, and diagonal rods. Extend the male connector of the inner connection unit out of the end of the steel pipe. Adjust the screws and nuts to press the gaskets tightly against the inner walls of the rods. Then, tighten the nuts at both ends of the screws to secure the inner support clamp connector to the inner walls of the corresponding rods. S5. Hoist the horizontal rods, vertical rods, and diagonal rods connected to the steel pipe piles to appropriate positions, insert the male connectors of the inner connection units at the ends of the horizontal rods, vertical rods, and diagonal rods into the female connectors of the outer connection units of the corresponding steel pipe columns, and secure them with pins; S6. Insert the male connectors of the inner connecting units at the ends of the vertical rods and the diagonal rods into the female connectors of the outer connecting units on the corresponding horizontal rods and secure them with pins; S7. By loosening and tightening the external connection units, the lengths of the horizontal bars, vertical bars, and diagonal bars are adjusted secondary to adjust the on-site installation accuracy of each bar; S8. Finally, tighten the pins at the joints of each connector to complete the assembly of the steel pipe connection system.

8. The construction method of a prefabricated steel pipe connection system according to claim 7, characterized in that: The diagonal rods, vertical rods, and horizontal rods all adopt a telescopic structure.

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