Steel lattice pier column section connecting device

Abstract

The utility model provides a steel lattice pier column section connecting device, which belongs to the technical field of bridge construction, and comprises two groups of matched supporting and positioning components, each supporting and positioning component comprises a flange plate, and a plurality of groups of stiffening plates which are annularly arranged are arranged on the flange plates; wherein the two groups of flange plates are detachably connected. In actual use, one supporting and positioning assembly is fixed in a pier column below, and the other supporting and positioning assembly is fixed above the pier column in a matched mode. In the descending process of the pier column structure, certain guiding is carried out through the stiffening plates, and the pier column sections on the upper portion can be conveniently and rapidly aligned with the pier column structure; after the pier column sections are aligned, the stiffening plates support and position the pier column sections on the upper portion, the stability of the pier column sections on the upper portion is further improved, the conditions of deviation, dislocation and the like can be effectively avoided, and subsequent welding between the two pier column sections is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of bridge construction, and particularly relates to a connecting device for steel lattice pier column segments. Background Art

[0002] In the field of modern architecture, steel structures are widely used in bridge construction due to their high strength, good toughness and plasticity. As a common form of steel structure, the reliability of the segment connection of steel lattice pier columns is directly related to the safety and stability of the entire structure.

[0003] In the prior art, during the connection of steel lattice pier column segments, a lifting tool is often used for alignment. After alignment, the current state is maintained for welding and fixing between the two pier column segments. During the alignment process of the two pier column segments, due to the limitations of the lifting tool, frequent micro-adjustments are required, which affects the construction efficiency; and the stability after alignment is poor, and it is easily affected by the external environment, resulting in deviation and dislocation, which affects the subsequent welding work. Summary of the Utility Model

[0004] In order to solve the problems existing in the above prior art, a connecting device for steel lattice pier column segments is provided.

[0005] The technical solution adopted by the utility model to solve its technical problems is as follows:

[0006] The utility model provides a connecting device for steel lattice pier column segments, which includes: two groups of mutually matching support and positioning components. The support and positioning components include flange plates, and a number of groups of stiffening plates arranged in a ring are provided on the flange plates; wherein, the two flange plates are detachably connected.

[0007] Preferably, an inner lining pipe is fixedly connected to the inner ring of the flange plate in one group of the support and positioning components, and the inner ring of the flange plate in the other group of the support and positioning components can freely penetrate through the inner lining pipe.

[0008] Preferably, the stiffening plates are arranged obliquely outward on the flange plates, and a support portion is provided on the outer side edge of the stiffening plates, and the support portion abuts against the inner ring of the pier column.

[0009] Preferably, a number of groups of perforations arranged in a circular array are provided on the flange plates; and bolts are also included. The bolts penetrate through the perforations on the two flange plates and are threadedly connected with nuts.

[0010] Preferably, a total of 8 groups of stiffening plates are provided on the flange plates.

[0011] Preferably, the flange plates and the stiffening plates are fixed by welding.

[0012] Preferably, the support portion and the inner ring of the pier column are fixed by welding.

[0013] Preferably, several groups of lining plates are arranged above the connecting part. The lining plates are fixed to the inner circle of the pier column, and the top ends of the lining plates protrude from the top end of the pier column.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. In the utility model, one support and positioning component is fixed in the lower pier column, and another support and positioning component is correspondingly fixed above it; during the lowering process of the pier column structure, certain guidance is carried out through the stiffening plates, which is convenient for the upper pier column segment to be quickly aligned with it; after alignment, the upper pier column segment is supported and positioned by the stiffening plates, further increasing the stability of the upper pier column segment, effectively avoiding situations such as deviation and dislocation, and facilitating the subsequent welding between the two pier column segments.

[0016] 2. In the utility model, a lining tube is fixed on the flange plate in one support and positioning component. The lining tube is convenient for the quick plug-in positioning of the upper flange plate, improving the overall construction efficiency.

[0017] 3. In the utility model, several groups of lining plates are fixed to the inner circle of the lower pier column, and the lining plates are used to assist in the precise positioning of the two pier column segments. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the utility model will become obvious and easy to understand from the following description of the embodiments in conjunction with the accompanying drawings, where:

[0019] Figure 1 is a schematic diagram of the mechanism of the upper and lower support and positioning components located in the pier column.

[0020] Figure 2 is a three-dimensional exploded view of the two support and positioning components.

[0021] Figure 3 is Figure 2 the front view in

[0022] Figure 4 is Figure 3 a sectional view taken along the A-A direction.

[0023] Figure 5 is a schematic diagram of the structure of the two pier columns connected by the support and positioning components.

[0024] DESCRIPTION OF THE REFERENCE NUMERALS:

[0025] 1. Flange plate; 2. Stiffening plate; 3. Lining tube; 4. Support part; 5. Nut; 6. Bolt; 7. Lining plate; 8. Pier column; 9. V-shaped fillet weld. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] In the description of the present utility model, it should be understood that when a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be an intermediate component set at the same time. When a component is considered to be "set on" another component, it can be directly set on the other component or there may be an intermediate component set at the same time.

[0027] In addition, terms such as "long", "short", "inner", "outer", etc. indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present utility model, rather than indicating or implying that the referred components or elements must have this specific orientation or be constructed and operated in a specific orientation, so it cannot be understood as a limitation of the present utility model.

[0028] The following will describe the present utility model in detail in conjunction with the specific embodiments shown in the drawings. However, these embodiments do not limit the present utility model, and any structural, method, or functional transformation made by those of ordinary skill in the art according to these embodiments is included in the protection scope of the present utility model.

[0029] As Figures 1-5 shown, this embodiment proposes a connecting device for 8 segments of a steel lattice pier column, which includes two sets of cooperating support and positioning components. The support and positioning component includes a flange 1, and a number of stiffening plates 2 arranged in a ring are provided on the flange 1. In this embodiment, a total of 8 sets of stiffening plates 2 are provided on the flange 1; two of the flanges 1 are detachably connected.

[0030] During actual use, fix one set of support and positioning components in the inner circle of the bottom pier column 8, cover the flange 1 of the other set of support and positioning components above the support and positioning components at the bottom, and then lower the upper pier column 8 through equipment such as a crane. Under the guiding and limiting of the upper positioning support component, the upper pier column 8 is aligned with the lower pier column 8, and the upper pier column 8 is stably placed there, facilitating the subsequent welding and fixing of the two pier column 8 segments.

[0031] In some embodiments, an inner lining pipe 3 is fixedly connected to the inner circle of the flange 1 of one set of support and positioning components, and the inner circle of the flange 1 of the other set of support and positioning components can freely penetrate through the inner lining pipe 3; when the two support and positioning components are matched, the two flanges 1 need to be aligned. The two support and positioning components themselves are relatively large, and when aligning by a lifting tool, continuous fine adjustment is required, with low efficiency, and the upper support and positioning component is not stable enough after alignment and fitting, and is easily dislocated by external forces. Therefore, the inner lining pipe 3 is designed. Through the inner lining pipe 3, it is convenient for the upper flange 1 to pass through and align with the lower flange 1, and the stability is relatively high after alignment and will not be easily dislocated, avoiding deviation and misalignment.

[0032] In some embodiments, the stiffening plate 2 is arranged outwardly on the flange 1, and a support portion 4 is provided on the outer side of the stiffening plate 2, and the support portion 4 is in contact with the inner circle of the pier 8. When the support portion 4 in the lower support positioning assembly is in contact with the pier 8, the support portion 4 and the inner circle of the pier 8 are then fixed by welding. The support portion 4 is in contact with the inner circle of the pier 8 through the outward-tilted stiffening plate 2, which facilitates the subsequent welding of the support portion 4 and the inner circle of the pier, and fixes the support positioning assembly below in the current position, which facilitates the subsequent installation of the positioning support assembly above it.

[0033] In some embodiments, the flange 1 has a plurality of through-holes forming a circular array, and also includes bolts 6. The bolts 6 pass through the through-holes on the two flanges 1 and are threadedly connected with nuts 5. The connection between the two flanges 1 is achieved through the bolts 6 and the nuts 5, which facilitates further fixation of the two flanges 1.

[0034] In some embodiments, a plurality of lining plates 7 are provided above the connection portion. The lining plates 7 are fixed to the inner circle of the pier 8, and the top of the lining plates 7 protrudes from the top of the pier 8. During the connection between the upper and lower piers 8, the upper pier 8 is guided by the two cooperating positioning support assemblies and the plurality of lining plates 7, so that the upper pier 8 is precisely aligned with the lower pier 8.

[0035] The steps for using this device are as follows:

[0036] S1: Place a set of support and positioning components in the existing pier 8 in advance, with the stiffening plate 2 at the bottom and the flange 1 at the top, and lower them into the pier 8 through a sling. Then, weld the support portion 4 of the stiffening plate 2 to the inner wall of the pier 8.

[0037] S2: Install another set of support and positioning components using a lifting device. During the lowering process, the flange 1 is at the bottom and the stiffening plate 2 is at the top. When lowering, the inner ring of the flange 1 is passed through the inner liner 3 to fit with the flange 1 below. The through holes in the two flanges 1 are aligned, and then the two flanges 1 are fixed with bolts 6 and nuts 5.

[0038] S3: Welding several sets of lining plates 7 above the inner circle of the bottom pier 8;

[0039] S4: Lower the pier column 8 segment to be connected by using a hoist. During the lowering process, the pier column 8 is aligned with the pier column 8 below by the guidance of the positioning support assembly and the liner 7 until the two pier columns 8 are docked.

[0040] S5: After the two piers 8 are butt-jointed, the upper pier 8 is supported and fixed by two supporting and positioning assemblies to facilitate subsequent further welding. During welding, flux-cored arc welding with non-inert gas shielding is adopted. The weld between the two piers 8 is a V-shaped fillet weld 9 with a blunt edge.

[0041] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A steel lattice pier column segment connection device, characterized in that, Comprising: Two sets of cooperating support and positioning components, the support and positioning components comprising a flange (1), and a plurality of groups of stiffening plates (2) arranged in a ring on the flange (1); Among them, the two flanges (1) are detachably connected.

2. The steel lattice pier column segment connection device according to claim 1, characterized in that: An inner lining tube (3) is fixedly connected to the inner circle of the flange (1) in one set of the support and positioning components, and the inner circle of the flange (1) in the other set of the support and positioning components can freely penetrate through the inner lining tube (3).

3. The steel lattice pier column segment connection device according to claim 1, characterized in that: The stiffening plates (2) are arranged obliquely outward on the flange (1), and a support portion (4) is provided on the outer side edge of the stiffening plate (2), and the support portion (4) abuts against the inner circle of the pier column (8).

4. A steel lattice pier column segment connection device according to claim 1, characterized in that: The flange (1) is provided with a plurality of groups of perforations arranged in a circular array; a bolt (6) is further included, and the bolt (6) passes through the perforations on the two flanges (1) and is threadedly connected with a nut (5).

5. The steel lattice pier column segment connection device according to claim 1, wherein: A total of 8 groups of stiffening plates (2) are provided on the flange (1).

6. The steel lattice pier column segment connection device according to claim 1, characterized in that: The flange (1) and the stiffening plate (2) are fixed by welding.

7. The steel lattice pier column segment connection device according to claim 3, characterized in that: The support portion (4) and the inner circle of the pier column (8) are fixed by welding.

8. The steel lattice pier column segment connection device according to claim 3, characterized in that: A plurality of groups of lining plates (7) are arranged above the connecting portion, the lining plates (7) are fixed to the inner circle of the pier column (8), and the top ends of the lining plates (7) protrude from the top end of the pier column (8).

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