A convenient circulating hanger bar with flexible processing by lap welding

Abstract

The utility model discloses a convenient type of circulating suspension bar that is flexibly processed by lap welding, and relates to the technical field of pile foundation construction, including: a steel bar assembly, which extends outward to form an extension portion; a first connecting steel bar, the front end of the first connecting steel bar is double-sidedly lap-welded to the extension portion; a second connecting steel bar, the front end of the second connecting steel bar is double-sidedly lap-welded to the tail end of the first connecting steel bar, and the tail end of the second connecting steel bar is double-sidedly lap-welded to one side of a steel plate hook. According to different terrain height differences, the length of the entire suspension bar can be adjusted by adjusting the length of the first connecting steel bar and the second connecting steel bar. Compared with the prior art, except for the first connecting steel bar and the second connecting steel bar, the rest can be reused, which reduces the consumption of suspension bar materials and saves construction costs.

Description

Technical Field

[0001] The utility model relates to the technical field of pile foundation construction, in particular to a convenient circulating suspension bar which is flexibly processed by lap welding. Background Art

[0002] During bored cast-in-place pile construction, the lifting and installation of the steel cage requires frequent use of lifting rods, the purpose of which is to keep the steel cage vertical and stable and to accurately control the elevation of the steel cage.

[0003] During the construction of a large number of pile foundations, affected by the height differences of different construction terrains, the hanger bars need to be customized according to different construction scenarios. Therefore, the hanger bars cannot be reused and are consumed greatly during the construction process, resulting in a large amount of waste of hanger bar materials.

[0004] In view of this, how to provide a hanger rod that can be reused and is not affected by the height difference of terrain is a technical problem that technical personnel in this field urgently need to solve. Utility Model Content

[0005] The utility model aims to provide a convenient circulating hanger bar which is flexibly processed by lap welding, so as to solve the problems existing in the prior art, realize the repeated use of the hanger bar and adapt to the height difference of the terrain.

[0006] To achieve the above purpose, the utility model provides the following solution: The utility model provides a convenient circulating hanger bar that is flexibly processed by lap welding, including:

[0007] A steel bar assembly, wherein the steel bar assembly extends outward to form an extension portion;

[0008] a first connecting steel bar, wherein the front end of the first connecting steel bar is double-sidedly lap-welded to the extension portion;

[0009] The second connecting steel bar, the front end of the second connecting steel bar is connected to the tail end of the first connecting steel bar by double-sided lap welding, and the tail end of the second connecting steel bar is connected to one side of the steel plate hook by double-sided lap welding.

[0010] Furthermore, the overlap between the second connecting steel bar and the steel plate hook is connected by full welding.

[0011] Furthermore, the steel bar assembly comprises:

[0012] A supporting steel bar, wherein the supporting steel bar is bent to form a frame structure, and one end of the supporting steel bar is led outward from one side of the frame structure to form an extension portion;

[0013] Stirrups, there are multiple stirrups and they are arranged along the length direction of the frame structure. The stirrups are connected to the outer side surface of the frame structure by double-sided lap welding.

[0014] Furthermore, the diameters of the supporting steel bars, stirrups, first connecting steel bars and second connecting steel bars are all d, the lap welding length of the extension portion and the first connecting steel bar is not less than 10d, and the lap welding length of the first connecting steel bar and the second connecting steel bar is not less than 10d.

[0015] Furthermore, it also includes:

[0016] a first straight thread sleeve, the first straight thread sleeve being fixed to the other side of the frame structure by full welding;

[0017] A second straight thread sleeve, wherein the second straight thread sleeve is fixed to the other side of the steel plate hook by full welding;

[0018] The ear steel bar passes through the first straight thread sleeve and the second straight thread sleeve in sequence and is fixedly connected to the supporting steel bar.

[0019] The utility model discloses the following technical effects:

[0020] 1. According to the height difference of different terrains, the length of the entire hanger can be adjusted by adjusting the length of the first connecting steel bar and the second connecting steel bar. Compared with the existing technology, except for the first connecting steel bar and the second connecting steel bar, the rest can be reused, which reduces the consumption of hanger material and saves construction costs.

[0021] 2. The first connecting steel bar and the second connecting steel bar are connected to the steel bar assembly and the steel plate hook by double-sided lap welding, which meets the on-site construction requirements and is convenient for construction.

[0022] 3. The present application specifically defines the double-sided lap welding lengths corresponding to the first connecting steel bars and the second connecting steel bars to improve the welding quality and ensure that the hanger bars are safe and reliable during use. At the same time, a straight threaded sleeve is provided on one side of the hanger bar, which, combined with the ear steel bars, can enhance the structural strength of the hanger bar. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a schematic diagram of the overall structure;

[0025] Figure 2 Schematic diagram of the supporting steel bar structure;

[0026] Figure 3 It is a schematic diagram of the structure of the first straight thread sleeve;

[0027] Figure 4 This is a schematic diagram of the lug reinforcement structure;

[0028] Among them, 1. The first connecting steel bar; 2. The second connecting steel bar; 3. The steel plate hook; 4. The supporting steel bar; 401. The extension part; 5. The stirrups; 6. The first straight threaded sleeve; 7. The second straight threaded sleeve; 8. The ear steel bar. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0031] The embodiment of the utility model provides a convenient circulating hanger that can be flexibly processed by lap welding, including: a steel bar assembly, which extends outward to form an extension portion 401; a first connecting steel bar 1, wherein the front end of the first connecting steel bar 1 is connected to the extension portion 401 by double-sided lap welding; a second connecting steel bar 2, wherein the front end of the second connecting steel bar 2 is connected to the tail end of the first connecting steel bar 1 by double-sided lap welding, and the tail end of the second connecting steel bar 2 is connected to one side of a steel plate hook 3 by double-sided lap welding, and the overlap between the second connecting steel bar 2 and the steel plate hook 3 is connected by full welding.

[0032] like Figure 1 As shown, the steel bar assembly includes: supporting steel bars 4, which are bent and then double-sidedly lap-welded to form a closed frame structure, and one end of the supporting steel bars 4 is led outward from one side of the frame structure to form an extension portion 401; stirrups 5, which are multiple and arranged along the length direction of the frame structure, and the stirrups 5 are connected to the outer side surface of the frame structure by double-sided lap-welding.

[0033] In this embodiment, the diameters of the support steel bar 4, the stirrup 5, the first connecting steel bar 1 and the second connecting steel bar 2 are all d, the lap welding length between the extension 401 and the first connecting steel bar 1 is not less than 10d, and the lap welding length between the first connecting steel bar 1 and the second connecting steel bar 2 is not less than 10d. After the support steel bar 4 is bent, it is lap welded on both sides to form a closed frame structure, and the lap welding length between it and itself is not less than 5d, and it is estimated that the lap welding length between it and the frame structure is not less than 5d.

[0034] In this embodiment, it also includes: a first straight thread sleeve 6, which is fixed to the other side of the frame structure by full welding; a second straight thread sleeve 7, which is fixed to the other side of the steel plate hook 3 by full welding, and the first straight thread sleeve 6 and the second straight thread sleeve 7 have the same structural dimensions; an ear steel bar 8, which passes through the first straight thread sleeve 6 and the second straight thread sleeve 7 in sequence and is fixedly connected to the supporting steel bar 4.

[0035] The structural dimensions are as follows:

[0036] Support steel bar 4: HRB400EΦ16mm;

[0037] Stirrup 5: HRB400EΦ16mm@100mm;

[0038] The first connecting steel bar 1: HRB400EΦ16mm;

[0039] Second connecting steel bar 2: HRB400EΦ16mm;

[0040] Lug steel bar 8: HPB300Φ10mm;

[0041] First straight thread sleeve 6 / second straight thread sleeve 7: Φ20mm;

[0042] Steel plate hook 3: Q235B 10mm thick steel plate.

[0043] A total of 865 pile foundations were designed for the second phase of Yaoqiang Airport. According to the calculation of traditional steel cage suspension rod materials, each steel cage needs 19.5m of suspension rod Φ16 steel bars, and 865 pile foundations need a total of 16867.5m. Φ16 steel bars of 1.58kg / m need 26.65 tons of consumables, which cost more than 100,000 yuan at 3900 yuan / ton. The suspension rod structure disclosed in this embodiment was constructed on site, with a cost of 600 yuan per set. A total of 15 sets were prepared on site, totaling 9,000 yuan, saving more than 90,000 yuan compared with traditional methods, which has obvious advantages in quality control and cost.

[0044] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0045] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A convenient circulating hanger bar that is flexibly processed by lap welding, characterized in that: include: A steel bar assembly, the steel bar assembly extending outward to form an extension portion (401); A first connecting steel bar (1), the front end of the first connecting steel bar (1) being connected to the extension portion (401) by double-sided lap welding; The second connecting steel bar (2), the front end of the second connecting steel bar (2) is connected to the rear end of the first connecting steel bar (1) by double-sided lap welding, and the rear end of the second connecting steel bar (2) is connected to one side of the steel plate hook (3) by double-sided lap welding.

2. According to claim 1, a convenient circulating hanger bar that is flexibly processed by lap welding is characterized in that: The overlap between the second connecting steel bar (2) and the steel plate hook (3) is connected by full welding.

3. The convenient circulating hanger bar that is flexibly processed by lap welding according to claim 1 is characterized in that: The steel bar assembly comprises: A supporting steel bar (4), wherein the supporting steel bar (4) is bent to form a frame structure, and one end of the supporting steel bar (4) is led outward from one side of the frame structure to form an extension portion (401); Stirrups (5), the stirrups (5) are in plurality and arranged along the length direction of the frame structure, and the stirrups (5) are connected to the outer side surface of the frame structure by double-sided lap welding.

4. The convenient circulating hanger bar that is flexibly processed by lap welding according to claim 3 is characterized in that: The diameters of the supporting steel bars (4), stirrups (5), the first connecting steel bars (1) and the second connecting steel bars (2) are all d, the lap welding length of the extension portion (401) and the first connecting steel bars (1) is not less than 10d, and the lap welding length of the first connecting steel bars (1) and the second connecting steel bars (2) is not less than 10d.

5. The convenient circulating hanger bar that is flexibly processed by lap welding according to claim 3 is characterized in that: Also includes: A first straight thread sleeve (6), wherein the first straight thread sleeve (6) is fixed to the other side of the frame structure by full welding; A second straight thread sleeve (7), wherein the second straight thread sleeve (7) is fixed to the other side of the steel plate hook (3) by full welding; A lifting lug steel bar (8), wherein the lifting lug steel bar (8) passes through the first straight thread sleeve (6) and the second straight thread sleeve (7) in sequence and is fixedly connected to the supporting steel bar (4).

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