Large-span special-shaped steel pipe truss temporarily adjustable butt joint support with spring support and construction method thereof

Abstract

The application provides a large-span special-shaped steel pipe truss temporary adjustable butt joint support with spring support and a construction method thereof, and belongs to the field of pipe truss temporary supports. The problem that a plurality of temporary supports need to be processed according to different diameters of circular pipes in the pipe truss installation and splicing process is solved. A corrugated steel plate is installed on the steel frame of the support, the cross section of the corrugated steel plate is trapezoidal, ear plates and sliding blocks are installed on the two sides of the corrugated steel plate, the sliding blocks can slide along the transverse direction of the corrugated steel plate, bolts pass through the ear plates and abut against the side walls of the sliding blocks, a plurality of springs are installed on the middle groove of the corrugated steel plate, bottom pipe clamps or side pipe clamps are installed on the springs, and the two sides of the side pipe clamps are fixed with the sliding blocks through connecting rods. The pipe clamp with the spring is provided to adapt to the chord of pipe trusses with different diameters, effective support can be provided for circular pipes with various diameters, the pipe clamp with the spring can be repeatedly used during pipe truss hoisting construction, the construction workload is effectively reduced, and the waste of steel materials is avoided.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of pipe truss temporary support, in particular to large-span special-shaped steel pipe truss temporary adjustable butt joint support with spring support and its construction method. BACKGROUND

[0002] Large-span spatial structure is simple in form, beautiful in modeling and efficient in stress, and is a structure type with broad development prospect, which is widely used in large-scale construction projects such as industrial plants, sports venues and transportation hubs. As a kind of large-span spatial structure, pipe truss structure is flexible in structural arrangement, can meet different architectural modeling requirements, has large overall rigidity and good stability, and is favored by many engineering designers, and is widely used in large-span roof structures.

[0003] At present, the construction and installation of large-span pipe truss structure is mostly by sectional hoisting method, and multiple temporary supports and temporary supports are needed to be set up at the construction site to support the installed truss, and jacking equipment such as jacks is used to fine-tune the height of the pipe truss to ensure that the structure reaches the design elevation before installation and fixation, while the temporary supports used for construction and installation are processed by cutting steel plates on site by construction personnel.

[0004] In large-scale construction projects, the number of pipe trusses is large and the span is large, and a large number of temporary supports need to be processed according to the supported circular pipes during construction and installation, which will increase the on-site construction workload and reduce the construction efficiency. In addition, due to the size difference of each truss circular pipe, the processed temporary supports cannot be reused, which also causes waste of steel. SUMMARY

[0005] Therefore, the present application aims to provide a large-span special-shaped steel pipe truss temporary adjustable butt joint support with spring support and its construction method to solve the problem that multiple temporary supports need to be processed according to different diameter circular pipes during the installation and splicing process of pipe trusses.

[0006] To achieve the above-mentioned purpose, the present application adopts the following technical scheme: a large-span special-shaped steel pipe truss temporary adjustable butt joint support with spring support, comprising a steel frame, a corrugated steel plate, a sliding block, a plurality of ear plates, a connecting rod, a plurality of springs, a bolt, a plurality of bottom pipe clamps and side pipe clamps, the steel frame is provided with a corrugated steel plate, the cross section of the corrugated steel plate is trapezoidal, the two sides of the corrugated steel plate are provided with ear plates and sliding blocks, the sliding blocks can slide along the transverse direction of the corrugated steel plate, the bolt penetrates through the ear plate and abuts against the side wall of the sliding block, a plurality of springs are installed on the middle groove of the corrugated steel plate, the bottom pipe clamps or the side pipe clamps are installed on the springs, and the two sides of the side pipe clamps are fixed with the sliding blocks through the connecting rod.

[0007] Further, the corrugated steel plate is integrally stamped and formed, and trapezoidal grooves are symmetrically arranged in the middle of the top surfaces of the two sides, and the grooves are aligned with the centers of the ear plates.

[0008] Further, the slider bottom is processed into a trapezoidal protrusion, the slider is connected with the corrugated steel plate through embedding the trapezoidal protrusion into a trapezoidal groove, and can slide along the trapezoidal groove.

[0009] Further, the slider is integrally formed with the connecting rod, and the free end of the connecting rod is welded with the side pipe clamp.

[0010] Further, the bottom pipe clamp is uniformly arranged with multiple groups at equal intervals along the corrugated steel plate.

[0011] Further, three springs are arranged below each bottom pipe clamp and are arranged on the two side inclined walls and the wave trough of the corrugated steel plate respectively.

[0012] Further, the bottom pipe clamp and the side pipe clamp are made of an arc-shaped steel plate.

[0013] Further, a rubber pad is pasted on the surface of the arc-shaped steel plate.

[0014] A construction method of a large-span special-shaped steel pipe truss temporary adjustable butt joint support supported by springs, specifically comprising the following steps:

[0015] (1) processing and assembling all parts of the temporary support in the factory, wherein the spring welding point position is marked in advance on the upper part of the corrugated steel plate, and the connecting rod and the slider are integrally formed and connected;

[0016] (2) welding the corrugated steel plate with the steel frame to form a support body, and welding the lug plate on the top of the two sides of the steel frame; the slider is pushed into the trapezoidal groove and connected with the support body; the free end of the connecting rod is welded and connected with the side pipe clamp; one end of the spring is welded and connected with the convex surface of the bottom pipe clamp, and the other end is welded and connected with the corrugated steel plate according to the marked position;

[0017] (3) placing the temporary support under the circular pipe to be supported of the pipe truss, placing the circular pipe in the pipe clamp of the temporary support, deforming the spring under stress, and until the circular pipe is attached to the bottom pipe clamp;

[0018] (4) turning the bolt with a wrench to push the slider to move horizontally, until the side pipe clamp is tightly pressed against the side of the circular pipe, and the circular pipe is completely fixed in the horizontal direction;

[0019] (5) checking whether the pipe clamp and the pipe truss circular pipe are tightly pressed, and after confirming that the circular pipe is completely fixed, carrying out the welding connection construction of the pipe truss.

[0020] Compared with the prior art, the beneficial effects of the temporary adjustable butt joint support of the large-span special-shaped steel pipe truss supported by springs and the construction method thereof are:

[0021] (1), the pipe truss temporary support of the application is provided with spring pipe clamps to adapt to pipe truss chord bars of different diameters, can provide effective support for pipes of various diameters, can be repeatedly used during pipe truss hoisting construction, avoids the problem that temporary supports need to be processed on site according to pipes of different diameters at present, effectively reduces construction workload, and avoids waste of steel.

[0022] (2), the pipe truss temporary support of the application is provided with pipe clamps at the bottom and both sides of the pipe, can limit rotation and movement of the pipe, and provides stable constraint for the supported pipe.

[0023] (3), the pipe truss temporary support of the application adopts spring pipe clamps, the spring at the bottom of the pipe clamp is compressed and deformed to adapt to pipes of different diameters; at the same time, the bottom of the support is provided with multiple pipe clamps, which can provide stable support for pipe trusses with inclination. BRIEF DESCRIPTION OF DRAWINGS

[0024] The accompanying drawings, which form a part of the present application, are used to provide further understanding of the present application, and the illustrative embodiments of the present application and their description serve the purpose of explaining the present application, and do not constitute improper limitation of the present application. In the drawings:

[0025] Fig. 1 It is the overall structure schematic diagram of the large-span special-shaped steel pipe truss temporary adjustable butt joint support of the application adopting spring support;

[0026] Fig. 2 It is the slider schematic diagram with trapezoidal protrusions;

[0027] Fig. 3 It is the pipe clamp schematic diagram with rubber pads;

[0028] In the drawings: 1-steel frame, 2-corrugated steel plate, 3-slider, 4-ear plate, 5-connecting rod, 6-spring, 7-bolt, 8-bottom pipe clamp, 9-side pipe clamp. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. 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, and the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0030] Reference Figs. 1-3The present embodiment adopts a spring-supported large-span special-shaped steel pipe truss temporary adjustable butt joint support, which comprises a steel frame 1, a corrugated steel plate 2, a sliding block 3, a plurality of ear plates 4, a connecting rod 5, a plurality of springs 6, a bolt 7, a plurality of bottom pipe clamps 8 and side pipe clamps 9, the steel frame 1 is provided with the corrugated steel plate 2, the cross section of the corrugated steel plate 2 is trapezoidal, the two sides of the corrugated steel plate 2 are provided with the ear plate 4 and the sliding block 3, the sliding block 3 can slide along the transverse direction of the corrugated steel plate 2, the bolt 7 penetrates through the ear plate 4 and abuts against the side wall of the sliding block 3, a plurality of springs 6 are arranged on the middle groove of the corrugated steel plate 2, the bottom pipe clamp 8 or the side pipe clamp 9 is arranged on the spring 6, and the two sides of the side pipe clamp 9 are fixed with the sliding block 3 through the connecting rod 5.

[0031] The corrugated steel plate 2 is integrally stamped and formed, trapezoidal grooves are symmetrically arranged in the middle part of the top surface of the two sides, and the grooves are aligned with the centers of the ear plates 4.

[0032] The steel frame 1 is a cuboid steel frame with a group of top opposite edges removed, a pair of ear plates 4 with bolt holes are respectively welded on the two sides of the upper middle part of the frame, and the hole positions of the ear plates 4 are aligned.

[0033] The steel frame 1 is welded with the corrugated steel plate 2 to form an integral whole, serving as the main body of the support.

[0034] The bottom of the sliding block 3 is processed into a trapezoidal protrusion, the sliding block 3 is connected with the corrugated steel plate 2 by embedding the trapezoidal protrusion into the trapezoidal groove and can slide along the trapezoidal groove.

[0035] The sliding block 3 is integrally formed with the connecting rod 5, and the free end of the connecting rod 5 is welded with the side pipe clamp 9.

[0036] The bottom pipe clamps 8 are arranged in multiple groups at equal intervals along the corrugated steel plate 2. One end of the spring 6 is welded with the bottom pipe clamp 8, and the other end is welded with the corrugated steel plate 2. Three springs 6 are arranged below each bottom pipe clamp 8 and are arranged on the two side inclined walls and the trough of the corrugated steel plate 2.

[0037] The pipe truss temporary support adopts the pipe clamp with the spring 6, the spring 6 at the bottom of the pipe clamp is compressed and deformed to adapt to pipes with different diameters; meanwhile, a plurality of pipe clamps are arranged at the bottom of the support, and the support can also provide stable support for the pipe truss with an inclination angle.

[0038] The bottom pipe clamp 8 and the side pipe clamp 9 are made of an arc-shaped steel plate. Rubber pads are attached to the surface of the arc-shaped steel plate.

[0039] The corrugated steel plate 2 is integrally stamped and formed and is welded with the steel frame 1 to serve as the main body of the pipe truss temporary support.

[0040] The ear plate 4 is pre-processed with a bolt hole in the center, and the hole diameter is matched with the bolt 7, the bolt 7 is screwed into the ear plate 4, and the tail end is tightly pressed against the slider 3. The screw hole size is matched with the size of the bolt 7 and allows positive tolerance; the bolt 7 passes through the ear plate 4, and the end of the bolt 7 is tightly pressed against the slider 3.

[0041] The wave-shaped steel plate 2 is symmetrically provided with a trapezoidal groove in the middle of the top surface on both sides, and the size of the groove is slightly larger than the size of the trapezoidal protrusion at the bottom of the slider 3, which can allow the slider 3 to slide along the groove and prevent the slider from being pulled out.

[0042] The construction method of the large-span special-shaped steel pipe truss temporary adjustable butt joint support using spring support specifically includes the following steps:

[0043] (1) Process and assemble all parts of the temporary support in the factory (including the steel frame 1, the wave-shaped steel plate 2, the slider 3, the ear plate 4, the connecting rod 5, the spring 6, the bolt 7, the bottom pipe clamp 8, and the side pipe clamp 9), wherein the wave-shaped steel plate 2 is pre-marked with the spring 6 welding point position at the upper part, and the connecting rod 5 and the slider 3 are integrally connected;

[0044] (2) Weld the wave-shaped steel plate 2 and the steel frame 1 to form a support body, and weld the ear plate 4 on the top of both sides of the steel frame 1; push the slider 3 into the trapezoidal groove to connect with the support body; weld the free end of the connecting rod 5 with the side pipe clamp 9; weld one end of the spring 6 with the convex surface of the round pipe clamp 8, and weld the other end with the wave-shaped steel plate 2 according to the marked position;

[0045] (3) Place the temporary support under the pipe truss to be supported, place the round pipe in the pipe clamp of the temporary support, and deform the spring 6 under stress until the round pipe is in close contact with the bottom pipe clamp 8;

[0046] (4) Turn the bolt 3 with a wrench to push the slider 5 to move horizontally until the side pipe clamp 9 is tightly pressed against the side surface of the round pipe, and the round pipe is completely fixed in the horizontal direction;

[0047] (5) Check whether the pipe clamp and the pipe truss round pipe are tightly pressed, and perform welding connection construction of the pipe truss after confirming that the round pipe is completely fixed.

[0048] The above disclosed embodiments of the application are only used to help explain the application. The embodiments do not describe all the details, nor limit the application to the specific embodiments described. According to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application.

Claims

1. A construction method for a temporary adjustable butt joint support for a large-span irregularly shaped steel pipe truss using spring-supported supports, characterized in that: The temporary adjustable joint support for a large-span irregular steel pipe truss supported by springs includes a steel frame (1), a corrugated steel plate (2), a slider (3), several ear plates (4), a connecting rod (5), several springs (6), bolts (7), several bottom pipe clamps (8), and side pipe clamps (9). The corrugated steel plate (2) is installed on the steel frame (1). The cross-section of the corrugated steel plate (2) is trapezoidal. Ear plates (4) and sliders (3) are installed on both sides of the corrugated steel plate (2). The sliders (3) can slide laterally along the corrugated steel plate (2). The bolts (7) pass through the ear plates (4) and abut against the side wall of the sliders (3). Several springs (6) are installed on the groove in the middle of the corrugated steel plate (2). Bottom pipe clamps (8) or side pipe clamps (9) are installed on the springs (6). The two sides of the side pipe clamps (9) are fixed to the slider (3) by connecting rods (5). The bottom pipe clamps (8) and the side pipe clamps (9) are made of arc-shaped steel plates. Multiple sets of bottom pipe clamps (8) are evenly arranged along the corrugated steel plate (2). Three springs (6) are set below each bottom pipe clamp (8), which are respectively arranged on the inclined walls and troughs of the corrugated steel plate (2). The springs (6) at the bottom of the bottom pipe clamps (8) are compressed and deformed to adapt to round pipes of different diameters. The corrugated steel plate (2) is integrally stamped and formed. Trapezoidal grooves are symmetrically provided in the middle of the top surface on both sides. The grooves are aligned with the center of the ear plate (4). The bottom of the slider (3) is machined with trapezoidal protrusions. The slider (3) is embedded in the trapezoidal groove through the trapezoidal protrusions and connected to the corrugated steel plate (2), and can slide along the trapezoidal groove. The construction method specifically includes the following steps: (1) The various components of this temporary support are processed and assembled in the factory. The upper part of the corrugated steel plate is marked with the welding point of the spring (6), and the connecting rod (5) and the slider (3) are integrally formed and connected. (2) Weld the corrugated steel plate (2) to the steel frame (1) to form the main body of the support. The ear plate (4) is welded to the top of both sides of the steel frame (1). The slider (3) is pushed into the trapezoidal groove and connected to the main body of the support. The free end of the connecting rod (5) is welded to the side tube clamp (9). One end of the spring (6) is welded to the convex surface of the bottom tube clamp (8), and the other end is welded to the corrugated steel plate (2) according to the marked position. (3) Place the temporary support under the round tube to be supported on the truss, place the round tube in the temporary support tube clamp, and the spring (6) deforms under force until the round tube is in contact with the bottom tube clamp (8). (4) Tighten the bolt (7) with a wrench to push the slider (3) to move horizontally until the side clamp (9) is pressed against the side of the round tube and the round tube is completely fixed in the horizontal direction; (5) Check whether the pipe clamps and the round pipes of the pipe truss are tightly abutted. After confirming that the round pipes are completely fixed, carry out the welding connection construction of the pipe truss.

2. The construction method for temporary adjustable butt joint supports for large-span irregular steel pipe trusses using spring supports as described in claim 1, characterized in that: The slider (3) and the connecting rod (5) are integrally formed, and the free end of the connecting rod (5) is welded to the side tube clamp (9).

3. The construction method for temporary adjustable butt joint supports for large-span irregular steel pipe trusses using spring supports as described in claim 1, characterized in that: Rubber pads are attached to the surface of the curved steel plate.

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