Adjustable splicing device for large-span portal rigid frame beam

Abstract

The utility model discloses an adjustable splicing device for a large-span portal rigid frame beam, which comprises at least two splicing jig frames and at least two groups of clamping components, the at least two splicing jig frames are arranged side by side, two adjacent splicing jig frames are connected through a connecting rod, one rigid frame unit beam is arranged on each splicing jig frame, and the clamping components are arranged on the rigid frame unit beams. The rigid frame unit beams are temporarily and fixedly connected through the two clamping assemblies, and the large-span portal rigid frame beam is assembled by screwing bolts. The adjustable splicing device is simple in structure, convenient, practical, stable, reliable and efficient in splicing process, the construction quality and precision are remarkably improved, traditional bolt mounting operation can be replaced, the dual effects of cost reduction and efficiency improvement are achieved, and the adjustable splicing device is suitable for splicing operation of H-shaped portal rigid frame beams with different sections.

Description

TECHNICAL FIELD

[0001] The utility model relates to a steel structure engineering construction technical field, concretely relates to a large -span portal frame beam adjustable assembling device. BACKGROUND

[0002] In the modern building field, the construction of large exhibition hall and large span workshop usually adopts portal frame beam as the support system of roof maintenance structure, in order to reduce the frequency of mechanical hoisting and reduce the workload of high-altitude operation, the assembling butt joint work of portal frame beam often needs to be completed in advance on the ground.

[0003] At present, the ground butt joint assembling of large span portal frame beam first sets up assembling device, positions through the survey technology such as super flat laying, after the assembling device is in position, hoists the frame beam to the jig frame through hoisting machinery, after the first frame beam is in position, uses temporary support to reinforce and fix, hoists the second frame beam, pre-assembles two frame beams, after bolt hole is aligned, the construction personnel first pass into the punch pin and install at least 2 mounting bolts on the butt joint node, the punch pin is positioned, the bolt is fastened, then the remaining mounting hole is passed into high-strength bolt and is full of penetration, and high-strength bolt fastening sequence is sequentially primary screwing and final screwing from the center to both sides, then the mounting bolt and the punch pin are taken down, and high-strength bolt is passed in again and fastened, and after completion, two frame beams are assembled. As known from the above, in the butt joint assembling process of portal frame beam, the use of assembling device is essential, however, the assembling device and the installation method of portal frame beam at the present stage have some problems in practical application, for example: low butt joint efficiency, difficult to guarantee assembling precision and difficult to control high-strength bolt node quality, these problems lead to the shaking of portal frame beam in the assembling process, poor stability, cannot realize accurate adjustable butt joint, and need to set up a large number of temporary supports, the assembling cost is high, which is not conducive to large-scale use in engineering. UTILITARIAN CONTENT

[0004] The utility model aims at providing a large span portal frame beam adjustable assembling device, which efficiently solves the problems of low butt joint efficiency, difficult to guarantee assembling precision and difficult to control high-strength bolt node quality of the existing portal frame beam assembling device.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A large span portal frame beam adjustable assembling device, comprising at least two assembling jigs and at least two groups of clamping assemblies, the at least two assembling jigs are placed side by side, and the adjacent two assembling jigs are connected through connecting rods, one frame unit beam is placed on each assembling jig, and the frame unit beams are temporarily fixed and connected through the two groups of clamping assemblies and are assembled into a large span portal frame beam by screwing bolts.

[0007] Preferably, the assembling jig frame comprises a support and two groups of struts, the two groups of struts are oppositely arranged on two sides of the support, each group of struts comprises two vertical columns, and the two vertical columns are arranged at intervals for clamping and positioning the rigid frame unit beam.

[0008] Preferably, a roller is arranged at the bottom of the two vertical columns and is horizontally rotatable, and a rolling wheel is arranged on the roller.

[0009] Preferably, the support comprises two cross beams and two longitudinal beams, the two longitudinal beams are arranged in parallel and are connected by the two cross beams.

[0010] Preferably, the clamping assembly comprises a first clamping plate and a second clamping plate, the first clamping plate and the second clamping plate are identical in shape and size, and the first clamping plate and the second clamping plate are adjustably connected by bolts.

[0011] Preferably, a hole is formed in the middle of each of the first clamping plate and the second clamping plate, and a threaded taper is arranged through the hole and the hole formed in the rigid frame unit beam.

[0012] Preferably, a notch is arranged at the bottom of each of the first clamping plate and the second clamping plate and is clamped on the flange or the lower flange of the rigid frame unit beam.

[0013] Preferably, a set of pressing assemblies is arranged at the middle of one side of each of the first clamping plate and the second clamping plate, the pressing assembly comprises a fixed block, a nut and a pressing bolt, the fixed block is fixedly arranged above the notch, a through hole is arranged in the middle of the fixed block, the nut is arranged on the fixed block at the through hole, and the pressing bolt is threadedly connected in the nut, and when the clamping assembly is clamped and connected between two adjacent rigid frame unit beams, the bottom end of the pressing bolt abuts against the upper flange and the lower flange of the rigid frame unit beam.

[0014] In the utility model, the rigid frame unit beam is placed on the assembling jig frame, and the rolling wheel and the roller structure arranged on the assembling jig frame can easily and quickly adjust the transverse position of the rigid frame beam to complete the preliminary butt joint.

[0015] The rigid frame unit beams placed on the assembling jig frame are temporarily fixed and connected by the clamping assembly, after the bolt holes at the middle positions of the rigid frame unit beams are all successfully butt jointed, the high-strength bolt connection pairs at the positions are installed first, and are screwed from the middle to the two sides, then the clamping assemblies on the upper side and the lower side are removed, the high-strength bolt connection pairs of the remaining bolt holes are installed and the initial screwing and the final screwing are completed, and the large-span portal rigid frame beam is assembled.

[0016] The adjustable assembling device has simple structure and convenient processing process, mainly uses steel materials commonly used in steel structure processing plants as main materials. The steel materials are not only easy to obtain, but also can be recycled and reused after use.

[0017] The use of perforated cones and bolts can replace the punches and mounting bolts of traditional assembly devices, eliminating the need for inserting mounting bolts, thus saving labor efficiency and eliminating the misalignment problem after the butt joint assembly of portal frame beams, providing strong technical support for the entire assembly process.

[0018] This invention not only significantly improves construction efficiency but is also extremely convenient to operate. It simplifies installation and disassembly while ensuring high precision in assembly and rapid connection efficiency. Due to the reduced need for personnel, it demonstrates outstanding cost savings.

[0019] Furthermore, it is highly practical and stable, bringing certain economic value to engineering projects. Given these advantages, this assembly device has the potential for large-scale promotion and application in the field of steel structure engineering. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the clamping assembly structure of this utility model;

[0022] In the diagram: 1. Assembly frame; 2. Clamping assembly; 3. Connecting rod; 4. Rigid frame unit beam; 10. Support; 11. Column; 12. Roller; 13. Roller; 20. First clamping plate; 21. Second clamping plate; 22. Perforated cone; 23. Groove; 24. Top-pressing assembly; 100. Crossbeam; 101. Longitudinal beam; 110. Column; 240. Fixing block; 241. Nut; 242. Tightening bolt. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings:

[0024] like Figure 1 and Figure 2 The adjustable assembly device for a large-span portal frame beam shown includes at least two assembly jigs 1 and at least two sets of clamping components 2. The at least two assembly jigs 1 are placed side by side, and adjacent assembly jigs 1 are connected by connecting rods 3. Each assembly jig 1 has a frame unit beam 4 placed on it. The frame unit beams 4 are temporarily fixedly connected by two sets of clamping components 2 and assembled into a large-span portal frame beam by tightening bolts. The tightening screws are high-strength bolts.

[0025] The assembly frame 1 includes a support 10 and two sets of columns 11. The two sets of columns 11 are arranged opposite each other on both sides of the support 10. Each set of columns 11 includes two uprights 110. The two uprights 110 are spaced apart for clamping and positioning the rigid frame unit beam 4.

[0026] A roller shaft 12 is arranged transversely and rotatably between the two upright columns 110, and a roller 13 is arranged on the roller shaft 12.

[0027] The support 10 comprises two cross beams 100 and two longitudinal beams 101, which are arranged in parallel and connected by the two cross beams 100.

[0028] The clamping assembly 2 comprises a first clamping plate 20 and a second clamping plate 21, which are identical in shape and size, and the first clamping plate 20 and the second clamping plate 21 are connected by bolts at the top long circular holes to adapt to the clamping of the rigid frame unit beams of different specifications.

[0029] A circular hole is formed in the middle of the first clamping plate 20 and the second clamping plate 21, and a threaded taper 22 is arranged through the circular hole and the circular hole formed on the rigid frame unit beam 4.

[0030] A notch 23 is arranged at the top flange or the bottom flange of the rigid frame unit beam 4 on the bottom of the first clamping plate 20 and the bottom of the second clamping plate 21.

[0031] A group of pressing assemblies 24 is arranged on one side of the middle of the first clamping plate 20 and the second clamping plate 21, the pressing assembly 24 comprises a fixed block 240, a nut 241 and a pressing bolt 242, the fixed block 240 is fixedly arranged above the notch 23, a through hole is arranged in the middle of the fixed block 240, the nut 241 is arranged on the fixed block 240 at the through hole, and the pressing bolt 242 is threadedly connected in the nut 241, when the clamping assembly 2 is clamped and connected between the two adjacent rigid frame unit beams 4, the bottom end of the pressing bolt 242 abuts against the top flange and the bottom flange of the rigid frame unit beam 4.

[0032] The large-span portal rigid frame beam assembly steps are as follows:

[0033] (1) The site is hardened and leveled in advance to ensure the smooth arrangement of the assembly jig, the roller shaft is placed inside the two rollers, the rollers are placed in the upright columns and are tightly abutted with each other to prevent movement, the upright columns and the bottom cross beam are welded and reinforced to form a stable structure, which can effectively prevent the rigid frame unit beam from overturning during assembly;

[0034] (2) After the assembly jig is arranged, the two sections of the rigid frame unit beam to be assembled are hoisted to the assembly jig by the automobile crane, in order to ensure the accuracy of the butt joint of the rigid frame unit beam, the construction personnel move the steel frame unit beam through the roller shaft structure to realize the preliminary positioning and fine adjustment of the rigid frame unit beam, and ensure the smooth progress of the assembly process;

[0035] (3) the clamping assembly is installed at the upper and lower flanges of the butt joint of the rigid frame unit beam, the first clamping plate 20 and the second clamping plate 21 are temporarily fixed with the rigid frame unit beam through the perforated cone respectively, the clamping assembly is further pressed tightly by screwing the top pressing bolt 242, the process of penetrating the installation bolt is omitted during assembly, the assembly process is simplified, the installation quality of the high-strength bolt joint is improved, the stability of the assembly device after longitudinal assembly of the rigid frame unit beam is strengthened, that is, the adjustable assembly device of the rigid frame unit beam is installed completely;

[0036] (4) the high-strength bolts in the middle of the rigid frame unit beam are installed first, and the initial screwing and final screwing are completed gradually from the middle to both sides;

[0037] (5) after the middle high-strength bolts are fastened, the upper and lower two sets of clamping assemblies are removed, the high-strength bolts of the remaining bolt holes are installed and the initial screwing and final screwing are completed, that is, the butt joint assembly of the two rigid frame unit beams is completed.

[0038] The above embodiments are only a number of descriptions of the concept and implementation of the present application, and are not limiting, and under the concept of the present application, the technical solutions without substantial transformation are still within the protection scope.

Claims

1. A large-span portal frame beam adjustable assembly device, characterized in that: The application relates to a large-span portal frame beam temporary assembling jig, which comprises at least two assembling jigs (1) and at least two sets of clamping assemblies (2), the at least two assembling jigs (1) are placed side by side, adjacent two assembling jigs (1) are connected through connecting rods (3), a rigid frame unit beam (4) is placed on each assembling jig (1), the rigid frame unit beams (4) are temporarily fixed and connected through the two sets of clamping assemblies (2) and are assembled into a large-span portal frame beam through screwing bolts.

2. The adjustable assembling device for long-span portal girder according to claim 1, characterized in that: The assembling jig (1) comprises a support (10) and two sets of supporting columns (11), the two sets of supporting columns (11) are oppositely arranged on two sides of the support (10), each set of supporting columns (11) comprises two vertical columns (110), and the two vertical columns (110) are arranged at intervals for clamping and positioning of the rigid frame unit beam (4).

3. The adjustable assembly device for long-span portal girder according to claim 2, characterized in that: Rolling shafts (12) are horizontally and rotatably arranged between the two vertical columns (110), and rolling wheels (13) are arranged on the rolling shafts (12).

4. The adjustable assembling device for long-span portal girder according to claim 2 or 3, characterized in that: The support (10) comprises two cross beams (100) and two longitudinal beams (101), the two longitudinal beams (101) are oppositely and parallelly arranged and are connected through the two cross beams (100).

5. The adjustable assembly device for long-span portal girder according to claim 1, characterized in that: The clamping assembly (2) comprises a first clamping plate (20) and a second clamping plate (21), the first clamping plate (20) and the second clamping plate (21) are identical in shape and size, a long circular hole in the top of the first clamping plate (20) and a long circular hole in the top of the second clamping plate (21) are adjustably connected through bolts.

6. The adjustable assembly device for long-span portal girder according to claim 5, characterized in that: A circular hole is arranged in the middle of the first clamping plate (20) and the second clamping plate (21), and a perforated cone (22) is arranged through the circular hole and a circular hole arranged on the rigid frame unit beam (4).

7. The adjustable assembly device for long-span portal girder according to claim 5 or 6, characterized in that: A notch (23) is arranged on the bottom of the first clamping plate (20) and the bottom of the second clamping plate (21) and is clamped on a flange or a lower flange of the rigid frame unit beam (4).

8. The adjustable assembly device for long-span portal girder according to claim 7, characterized in that: A set of pressing assemblies (24) is arranged on one side of the middle of the first clamping plate (20) and one side of the middle of the second clamping plate (21), the pressing assembly (24) comprises a fixed block (240), a nut (241) and a pressing bolt (242), the fixed block (240) is fixedly arranged above the notch (23), a through hole is arranged in the middle of the fixed block (240), the nut (241) is arranged on the fixed block (240) and at the through hole, and the pressing bolt (242) is threadedly connected in the nut (241), when the clamping assembly (2) is clamped and connected between two adjacent rigid frame unit beams (4), the bottom end of the pressing bolt (242) abuts against the upper flange and the lower flange of the rigid frame unit beam (4).

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