Assembly process of A-shaped support frame assembly device

Abstract

The present invention discloses an assembly process of an A-shaped support frame assembly device, including S1: the first connecting plates of the first eye plate assembly and the second eye plate assembly are welded and fixed to the cross-bracing connecting plate; positioning blocks are placed around the first connecting plate and a distance tube is placed on the first connecting plate, the second connecting plate is placed on the upper part of the distance tube and inside the positioning blocks and overlaps with the first connecting plate, the distance tube is spot-welded to the first connecting plate and the second connecting plate, and then the cross-bracing connecting plate and the second connecting plate are welded and fixed, and the pin shaft, the distance tube and the positioning block are disassembled and assembled; S2: the first eye plate assembly and the second eye plate assembly are arranged at one end of the A-shaped support frame; the third eye plate assembly and the fourth eye plate assembly are positioned by the distance tube and the first positioning shaft and the nut; the H steel structure is placed on the A-shaped support frame assembly jig, and the two ends of the H steel structure are respectively matched with the eye plate assemblies and welded and fixed; S3: the first positioning shaft and the second positioning shaft are removed, the A-shaped support frame is removed, and the assembly is completed.

Description

Technical Field

[0001] The present invention relates to the technical field of bridge engineering construction, in particular to an assembling process of an A-shaped support frame assembling device. Background Art

[0002] To achieve standardization, systematization, resource conservation, cost control, and accelerated construction, highway bridge projects require the use of bridge erection machines to place prefabricated beams onto prefabricated piers. A-shaped support frames, used for both anchoring and supporting, offer a wide range of applications in highway bridge construction. Conventional A-shaped support frames are manually fabricated on the ground without tools. This method is not only inefficient but also questionable in quality, resulting in wasted labor and financial resources.

[0003] Therefore, it is of great significance to design an A-shaped support frame, assembly jig, assembly device and assembly process that can improve work efficiency and reduce product quality problems. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide an assembly process for an A-shaped support frame assembly device in view of the deficiencies in the above-mentioned prior art.

[0005] The technical solution adopted by the present invention to solve its technical problems is: one aspect of the present invention provides an A-shaped support frame, comprising an A-shaped H-steel structure and a plurality of eye plate assemblies; the eye plate assembly is installed on the H-steel structure, wherein the A-shaped upper end of the H-steel structure is provided with a first eye plate assembly and a second eye plate assembly, and the first eye plate assembly and the second eye plate assembly are connected by a connecting shaft; the A-shaped lower end of the H-steel structure is provided with a third eye plate assembly and a fourth eye plate assembly; the third eye plate assembly and the fourth eye plate assembly are respectively provided on both sides of the H-steel structure.

[0006] The eye plate assembly includes a first connecting plate and a second connecting plate, and the first connecting plate and the second connecting plate are connected via a cross-bracing connecting plate.

[0007] Another aspect of the present invention provides an A-shaped support frame assembly jig for installing the above-mentioned A-shaped support frame, wherein the A-shaped support frame assembly jig includes an A-shaped support frame jig frame, a first support plate, a second support plate and a jig plate; the first support plate, the second support plate and the jig plate are fixed on the A-shaped support frame jig frame; the jig plate is provided with a circular hole that cooperates with the eye plate assembly.

[0008] One end of the tire frame is fixedly provided with symmetrical tire plates, which are provided in two pairs, and side panels are installed on both sides of the symmetrical tire plates; the other end of the tire frame is fixedly provided with two tire plates, a first positioning plate and a second positioning plate are provided between the two tire plates, and a reinforcement plate is also provided on the outside of the tire plates.

[0009] The A-shaped support frame assembly jig is further provided with a first positioning shaft and a second positioning shaft for assembly with the A-shaped support frame.

[0010] The present invention also provides an A-shaped support frame assembly device, including an A-shaped support frame and an assembly jig; the eye plate assemblies are respectively placed at both ends of the A-shaped support frame assembly jig, and two are placed at both ends; the first eye plate assembly and the second eye plate assembly are arranged at one end of the A-shaped support frame and are positioned by a first positioning plate, a second positioning plate and a second positioning shaft; the third eye plate assembly and the fourth eye plate assembly are positioned by a distance tube and a first positioning shaft with a nut; the H steel structure is placed on the A-shaped support frame assembly jig, and the two ends of the H steel structure are respectively matched with the eye plate assemblies.

[0011] The present invention provides an assembly process for the above-mentioned A-shaped support frame assembly device, comprising the following steps:

[0012] S1: Assemble the eye plate assembly of the A-shaped support frame, weld the first connecting plates of the first eye plate assembly and the second eye plate assembly to the cross brace connecting plate, and place the eye plate with the cross brace connecting plate in the pin shaft; positioning blocks are placed around the first connecting plate and a distance tube is placed on the first connecting plate, the second connecting plate is placed on the upper part of the distance tube and inside the positioning block and overlaps with the first connecting plate, the distance tube is spot welded to the first and second connecting plates, and then the cross brace connecting plate is welded to the second connecting plate, and the pin shaft, the distance tube and the positioning block are disassembled;

[0013] S2: Overall assembly of the A-shaped support frame assembly device, wherein the eye plate assemblies are respectively placed at both ends of the A-shaped support frame assembly jig; the first eye plate assembly and the second eye plate assembly are arranged at one end of the A-shaped support frame and are positioned by a first positioning plate, a second positioning plate and a second positioning shaft; the third eye plate assembly and the fourth eye plate assembly are positioned by a distance tube and a first positioning shaft with a nut; the H steel structure is placed on the A-shaped support frame assembly jig, and both ends of the H steel structure are respectively matched with the eye plate assemblies and fixed by welding;

[0014] S3: Remove the first positioning shaft and the second positioning shaft, remove the A-shaped support frame, and complete the assembly.

[0015] Compared with the prior art, the beneficial effect of the present invention is that the present invention transforms the process from being completed manually on the ground to being completed on the mold by assembling the mold on the A-shaped support frame. This form not only has high work efficiency, but also ensures quality, avoids waste of manpower and financial resources, and can also reduce product quality problems. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The figure shows the structure diagram of the A-shaped support frame;

[0017] Figure 2 Shown is a schematic diagram of the structure of the eye plate assembly;

[0018] Figure 3 The figure shows the structure of the A-shaped support frame assembly mold;

[0019] Figure 4 The figure shows a top view of the A-shaped support frame assembly jig;

[0020] Figure 5 Shown is a schematic diagram of the structure of the tire plate;

[0021] Figure 6 Shown is a schematic structural diagram of the first positioning plate and the second positioning plate;

[0022] Figure 7 The figure shows the structure of the A-shaped support frame assembly device;

[0023] Figure 8 Shown is a schematic structural diagram of the distance tube. DETAILED DESCRIPTION

[0024] The present invention will be further described in detail below with reference to specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0025] like Figure 1 As shown, the A-shaped support frame includes an A-shaped H-steel structure 1 and several eye plate assemblies 2; the eye plate assembly 2 is installed on the H-steel structure 1, wherein the A-shaped upper end of the H-steel structure 1 is provided with a first eye plate assembly 3 and a second eye plate assembly 4, and the first eye plate assembly 3 and the second eye plate assembly 4 are connected by a connecting shaft 5; the A-shaped lower end of the H-steel structure 1 is provided with a third eye plate assembly 6 and a fourth eye plate 7 assembly; the third eye plate assembly 6 and the fourth eye plate assembly 7 are respectively provided on both sides of the H-steel structure 1.

[0026] like Figure 2 As shown, the eye plate assembly 2 includes a first connecting plate 8 and a second connecting plate 9 , and the first connecting plate 8 and the second connecting plate 9 are connected by a cross-bracing connecting plate 10 .

[0027] like Figure 3 、 4 As shown in Figure 7, the A-shaped support frame assembly jig is used to install the above-mentioned A-shaped support frame. The A-shaped support frame assembly jig 11 includes an A-shaped support frame jig frame body 12, a first support plate 13, a second support plate 14 and a jig plate 15; the first support plate 13, the second support plate 14 and the jig plate 15 are fixed on the A-shaped support frame jig frame body 12; the jig plate 15 is provided with a circular hole that matches the eye plate assembly 2.

[0028] like Figure 5 、 6 As shown, one end of the tire frame 12 is fixedly provided with symmetrical tire plates 15, which are provided in two pairs, and side panels 16 are installed on both sides of the symmetrical tire plates 15; the other end of the tire frame 12 is fixedly provided with two tire plates 15, a first positioning plate 17 and a second positioning plate 18 are provided between the two tire plates 15, and a reinforcement plate 19 is also provided on the outside of the tire plates 15.

[0029] like Figure 7 As shown, the A-shaped support frame assembly jig is further provided with a first positioning shaft 20 and a second positioning shaft 21 for assembly with the A-shaped support frame.

[0030] On the other hand, the present invention provides an A-shaped support frame assembly device, including the above-mentioned A-shaped support frame and an assembly jig; the eye plate assemblies 2 are respectively placed at both ends of the A-shaped support frame assembly jig, and two are placed at both ends; the first eye plate assembly 3 and the second eye plate assembly 4 are arranged at one end of the A-shaped support frame and are positioned by the first positioning plate 17, the second positioning plate 18 and the second positioning shaft 21; the third eye plate assembly 6 and the fourth eye plate assembly 7 are positioned by the distance tube 22 and the first positioning shaft 20 with the nut; the H steel structure 1 is placed on the A-shaped support frame assembly jig, and the two ends of the H steel structure 1 are respectively matched with the eye plate assembly 2.

[0031] Another aspect of the present invention provides an assembly process for an A-shaped support frame assembly device, comprising the following steps:

[0032] S1: Assemble the eye plate assembly of the A-shaped support frame, the first eye plate assembly 3 and the first connecting plate 8 of the second eye plate assembly 4 are welded and fixed to the cross brace connecting plate 10, and the eye plate with the cross brace connecting plate 10 is placed in the pin 23; positioning blocks 24 are placed around the first connecting plate 8 and a distance tube 25 is placed on the first connecting plate 8, the second connecting plate 9 is placed on the upper part of the distance tube 25 and inside the positioning block 24 and overlaps with the first connecting plate 8, the distance tube 25 is spot welded to the first connecting plate 8 and the second connecting plate 9, and then the cross brace connecting plate 10 is welded to the second connecting plate 9, and the pin 23, the distance tube 25 and the positioning block 24 are disassembled;

[0033] S2: Overall assembly of the A-shaped support frame assembly device, the eye plate assembly 2 is respectively placed on both ends of the A-shaped support frame assembly jig; the first eye plate assembly 3 and the second eye plate assembly 4 are arranged at one end of the A-shaped support frame and are positioned by the first positioning plate 17, the second positioning plate 18 and the second positioning shaft 21; the third eye plate assembly 6 and the fourth eye plate assembly 7 are positioned by the distance tube 25 and the first positioning shaft 20 with the nut; the H steel structure 1 is placed on the A-shaped support frame assembly jig, and the two ends of the H steel structure 1 are respectively matched with the eye plate assembly 2 and fixed by welding;

[0034] S3: Remove the first positioning shaft 20 and the second positioning shaft 21, remove the A-shaped support frame, and complete the assembly.

[0035] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. The assembly process of the A-shaped support frame assembly device is characterized in that: in, The A-shaped support frame includes an A-shaped H-steel structure and a plurality of eye plate assemblies; the eye plate assembly is installed on the H-steel structure, wherein the A-shaped upper end of the H-steel structure is provided with a first eye plate assembly and a second eye plate assembly, and the first eye plate assembly and the second eye plate assembly are connected by a connecting shaft; the A-shaped lower end of the H-steel structure is provided with a third eye plate assembly and a fourth eye plate assembly; the third eye plate assembly and the fourth eye plate assembly are respectively provided on both sides of the H-steel structure; the eye plate assembly includes a first connecting plate and a second connecting plate, and the first connecting plate and the second connecting plate are connected by a cross-bracing connecting plate; The A-shaped support frame assembly mold used in the assembly process is used to install the A-shaped support frame, which includes an A-shaped support frame mold frame, a first support plate, a second support plate and a mold plate; the first support plate, the second support plate and the mold plate are fixed to the A-shaped support frame mold frame; the mold plate is provided with a circular hole that matches the eye plate assembly; one end of the mold frame is fixedly provided with a symmetrical mold plate, which is provided with two pairs, and side panels are installed on both sides of the symmetrical mold plates; the other end of the mold frame is fixedly provided with two mold plates, a first positioning plate and a second positioning plate are provided between the two mold plates, and a reinforcement plate is also provided on the outer side of the mold plate; the A-shaped support frame assembly mold is also provided with a first positioning axis and a second positioning axis for assembly with the A-shaped support frame; The A-shaped support frame assembly device includes an A-shaped support frame and an A-shaped support frame assembly jig, and the assembly process steps are as follows: S1: Assemble the eye plate assembly of the A-shaped support frame, weld and fix the first connecting plates of the first eye plate assembly and the second eye plate assembly to the cross-bracing connecting plate, and place the eye plate with the cross-bracing connecting plate in the pin shaft; positioning blocks are placed around the first connecting plate and a distance tube is placed on the first connecting plate, the second connecting plate is placed on the upper part of the distance tube and inside the positioning block and overlaps with the first connecting plate, the distance tube is spot welded to the first connecting plate and the second connecting plate, and then the cross-bracing connecting plate is welded and fixed to the second connecting plate, and the pin shaft, the distance tube and the positioning block are disassembled ; S2: Overall assembly of the A-shaped support frame assembly device, the eye plate assemblies are respectively placed at both ends of the A-shaped support frame assembly jig, and two are placed at both ends; the first eye plate assembly and the second eye plate assembly are arranged at one end of the A-shaped support frame and are positioned by the first positioning plate, the second positioning plate and the second positioning shaft; the third eye plate assembly and the fourth eye plate assembly are positioned by the distance tube and the first positioning shaft matching nut; the H steel structure is placed on the A-shaped support frame assembly jig, and the two ends of the H steel structure are respectively matched with the eye plate assemblies and welded and fixed; S3: Remove the first positioning shaft and the second positioning shaft, remove the A-shaped support frame, and complete the assembly.

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