Connection caps and anti-overturning structures for tower foundations

Abstract

The application provides a connecting platform of a tower crane and an overturning prevention structure of a tower crane foundation, and the technical scheme is as follows: the connecting platform of the tower crane comprises connecting members for abutting against the top of a pile body and fixed at the bottom of a tower body, the connecting members are connected side by side, the opposite ends of the connecting members extend downward, the ends of the connecting members on the same side of the connecting members jointly form connecting arms, and the connecting arms extend downward to be connected with the outer side wall of the pile body; the connecting members are plate materials, and an overturning prevention structure of a tower crane steel foundation is also disclosed, which comprises a pile body and the connecting platform of the tower crane; the scheme can improve the bending moment overturning resistance between the connecting platform and the pile body by optimizing the structure of the connecting platform.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of tower crane connection structure, and particularly relates to a connecting pile cap of a tower crane and a tower crane foundation overturning prevention structure. BACKGROUND

[0002] The tower crane is commonly used in the construction of high-rise buildings, and is mainly composed of a hoist arm for hoisting materials, a pile cap for anchoring, and a tower body connecting the hoist arm and the pile cap. The specific structure of the tower crane can refer to the technical solution of patent application No. 202211339480.5, which discloses a concrete high-pile cap construction method for large tower crane equipment, and relates to the field of high-pile cap construction. The method comprises the following steps: S1, selecting multiple cast-in-place piles as tower crane pile foundations to perform tower crane pile foundation construction; S2, using multiple cast-in-place piles as support columns of the tower crane foundation pile cap to perform high-pile cap construction; S3, installing the tower crane; S4, excavating soil and positioning horizontal direction bracing between the multiple cast-in-place piles, and the horizontal direction bracing is longitudinally spaced and arranged in multiple layers; and S5, performing concrete bottom plate pouring construction.

[0003] In the above-mentioned solution, the tower body is fixed at the top of the pile cap, and the bottom of the pile cap is anchored by four cast-in-place piles (i.e. pile bodies). In long-term use, the tower crane is affected by bending moment, which generates tensile force on one side of the pile cap at the bottom and pressure on the other side, causing the pile cap and the cast-in-place piles to separate and easily overturn, which poses a safety hazard. SUMMARY

[0004] The purpose of the present application is to provide a connecting pile cap of a tower crane and a tower crane foundation overturning prevention structure, which realizes the use of an optimized pile cap structure to improve the bending moment overturning resistance between the pile cap and the pile body.

[0005] In order to achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0006] The connecting pile cap of the tower crane comprises a connecting member for abutting against the top of the pile body and fixed at the bottom of the tower body, the connecting member comprises a plurality of connecting members connected side by side, the opposite ends of the connecting members extend downward, the ends of the plurality of connecting members on the same side of the connecting member jointly form a connecting arm, and the connecting arm extends downward for connection with the outer side wall of the pile body; the connecting member is a plate.

[0007] In the above-mentioned connecting pile cap of the tower crane, the connecting member further comprises a reinforcing rib; the reinforcing rib connects the connecting members on the two adjacent sides, respectively.

[0008] In the connecting platform of the tower crane, the beam body is embedded in the top of the pile body, and the two brackets are used to connect the outer side walls of the pile body.

[0009] In the connecting platform of the tower crane, the beam body is embedded in the top of the pile body, and the two brackets are used to connect the outer side walls of the pile body.

[0010] In the connecting platform of the tower crane, the beam body is embedded in the top of the pile body, and the two brackets are used to connect the outer side walls of the pile body.

[0011] In the connecting platform of the tower crane, the beam body is embedded in the top of the pile body, and the two brackets are used to connect the outer side walls of the pile body.

[0012] In the connecting platform of the tower crane, the beam body is embedded in the top of the pile body, and the two brackets are used to connect the outer side walls of the pile body.

[0013] In the connecting platform of the tower crane, the beam body is embedded in the top of the pile body, and the two brackets are used to connect the outer side walls of the pile body.

[0014] In the connecting platform of the tower crane, the beam body is embedded in the top of the pile body, and the two brackets are used to connect the outer side walls of the pile body.

[0015] In the connecting platform of the tower crane, the beam body is embedded in the top of the pile body, and the two brackets are used to connect the outer side walls of the pile body.

[0016] Compared with the prior art, the scheme has the following advantages:

[0017] 1. In the connecting cap of the tower involved in the present application, the connecting arm is formed by the combination of connecting members, so that the connecting piece is a U-shaped cap, the connecting piece is used for fixing at the bottom of the tower body, the tower body uses the dead weight to press the connecting piece against the top of the column body, the connecting arm extends downward, the side edge of the connecting arm is used for connecting with the side of the column body, so that the connection joint of the two is a connecting line extending along the axis of the column body, instead of the traditional horizontal connecting line at the top of the column body, the connecting area is increased, the bending moment overturning resistance between the cap and the column body is improved by optimizing the structure of the cap.

[0018] 2. In the anti-overturning structure of the tower foundation involved in the present application, the pile foundation adopts a single column body, avoiding pouring multiple bored piles, reducing the construction cost and speeding up the engineering progress, the single column body abuts against the connecting piece and is connected with the connecting arm, so that the tower connecting structure formed by the single column body, the connecting piece and the connecting arm has strong bending moment overturning resistance.

[0019] Additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter in the description. BRIEF DESCRIPTION OF DRAWINGS

[0020] The above and / or additional aspects and advantages of the present application will become apparent and be readily appreciated from the following description, taken in conjunction with the accompanying drawings, in which:

[0021] Fig. 1 It is a front view of the anti-overturning structure of the tower foundation in an embodiment of the present application.

[0022] Fig. 2 It is a side view of the anti-overturning structure of the tower foundation in an embodiment of the present application.

[0023] Fig. 3 It is a top view of the anti-overturning structure of the tower foundation in an embodiment of the present application.

[0024] Reference signs: 1, connecting piece; 2, tensioning assembly; 3, beam body; 4, corbel; 5, column body;

[0025] 11, connecting arm; 12, reinforcing rib; 21, first locking block; 22, pull rod; 23, second locking block;

[0026] 31, cushion beam; 311, cross beam; 32, bearing beam;

[0027] 41, top plate; 42, support plate; 43, bottom plate. DETAILED DESCRIPTION

[0028] Embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be interpreted as a limitation on the present application.

[0029] As shown in the drawings, Figs. 1-3 The present application provides a connecting platform of a tower crane, comprising a connecting piece 1 for abutting against the top of a pile body and fixed at the bottom of a tower body, the connecting piece 1 comprises a plurality of connecting members connected side by side, the opposite ends of the connecting members extend downward, the ends of the connecting members on the same side of the connecting piece 1 form a connecting arm 11, the connecting arm 11 extends downward for connecting with the outer side wall of the pile body; the connecting member is a plate.

[0030] The implementation principle is that the connecting arm 11 is formed by combining the connecting members, the connecting piece is a U-shaped platform, the connecting piece 1 is used to be fixed at the bottom of the tower body, the tower body uses its own weight to abut the connecting piece 1 against the top of the column body 5, the connecting arm 11 extends downward, the side edge of the connecting arm 11 is used to connect with the side of the column body 5, so that the connection between the two is a connecting line extending along the axis of the column body 5, instead of a traditional horizontal connecting line at the top of the column body 5, which increases the connecting area and realizes the optimization of the platform structure to improve the bending moment overturning resistance between the platform and the pile body.

[0031] Preferably, the connecting piece 1 further comprises a reinforcing rib 12; the reinforcing rib 12 connects the connecting members on the adjacent two sides, respectively.

[0032] In actual application, the connecting piece 1 can be made by welding large-sized section steel, can be integrally cast, or can be made by welding a plurality of connecting members side by side, the specific implementation of the plurality of connecting members connected side by side is that the adjacent connecting members are arranged at intervals and connected by the reinforcing rib 12, the connecting member can be selected as a plate, such as a steel plate, a plurality of plates are used to build the connecting member, which not only facilitates the adjustment of the arc-shaped fitting degree with the pile body, but also reduces the dead weight, facilitates the overall hoisting construction, and can be built on the pile body during construction, which can be flexibly constructed according to the actual working conditions to improve the engineering operation efficiency.

[0033] In the specific structure, the two ends of the connecting member are connected with the corresponding two ends of the adjacent connecting member to form the connecting arm 11 of the connecting piece 1.

[0034] Further preferably, the beam body 3 embedded on the top of the pile body, two corbels 4 for connecting the outer side walls of the pile body are further included; two of the corbels 4 correspond to the two ends of the beam body 3 and are connected with the corresponding end of the beam body 3; the connecting piece 1, the beam body 3 and the corbel 4 are arranged in sequence from top to bottom, the beam body 3 is in abutment with the connecting piece 1 and is arranged in cross.

[0035] The corbel 4 and the beam body 3 are located on the side of the pile body, and the corbel 4 and the beam body 3 are connected to form a counter-pressure structure to assist in offsetting the bending moment generated by the tower crane.

[0036] The specific connection mode of the beam body 3 and the corbel 4 is that a tensioning assembly 2 is further included; the beam body 3 and the corbel 4 are arranged in a spaced manner, and the beam body 3 is connected with the corbel 4 through the tensioning assembly 2.

[0037] The specific structure of the tensioning assembly 2 is that the tensioning assembly 2 includes a tension rod 22 corresponding to the corbel 4, a first locking block 21 and a second locking block 23 detachably connected with the tension rod 22; the tension rod 22 penetrates the beam body 3 and the corbel 4, the first locking block 21 is in abutment with the top of the beam body 3, and the second locking block 23 is in abutment with the bottom of the corbel 4.

[0038] During installation, the tension rod 22 is first inserted into the corbel 4 and the beam body 3, and then the first locking block 21 and the second locking block 23 are installed at the two ends of the tension rod 22, and the first locking block 21 is abutted against the top of the beam body 3 and the second locking block 23 is abutted against the bottom of the corbel 4, and vice versa, the first locking block 21 and the second locking block 23 are removed first, and then the tension rod 22 is pulled out to complete the disassembly.

[0039] The specific structure of the beam body 3 is that the beam body 3 includes a plurality of load-bearing beams 32 embedded in the top of the pile body and spacer beams 31 arranged at the two ends of the load-bearing beams 32; a plurality of the load-bearing beams 32 are arranged in parallel and are in cross arrangement with the connecting piece 1; the connecting piece 1 and the bottom of the spacer beams 31 on both sides are in abutment with a plurality of the load-bearing beams 32; the tension rod 22 is located between adjacent load-bearing beams 32 and penetrates the spacer beams 31; the first locking block 21 is in abutment with the top of the spacer beam 31.

[0040] The load-bearing beam 32 is the main force structure, and the downward pressure force of the tower crane falls on the load-bearing beam 32; the spacer beam 31 increases the contact area of the tension rod 22 and the load-bearing beam 32, so that the load-bearing beam 32 is uniformly stressed.

[0041] The specific structure of the spacer beam 31 is that the spacer beam 31 includes two horizontally arranged cross beams 311; the cross beams 311 are arranged in cross with the load-bearing beams 32, the tension rod 22 is located between the two cross beams 311, and the bottom of the two cross beams 311 is in abutment with a plurality of the load-bearing beams 32 and the top of the two cross beams 311 is in abutment with the first locking block 21.

[0042] The specific structure of the bracket 4 is that the bracket 4 comprises a top plate 41 and a bottom plate 43 for connecting the outer side wall of the pile body, and a plurality of support plates 42 between the top plate 41 and the bottom plate 43; the pull rod 22 is located between adjacent support plates 42 and penetrates the top plate 41 and the bottom plate 43; the second lock block 23 abuts against the bottom of the bottom plate 43.

[0043] In the embodiment, the first lock block 21 and the second lock block 23 are both double-nut structures and are detachably screwed with the pull rod 22.

[0044] The anti-overturning structure of the tower steel foundation comprises a pile body and a connecting cap of the tower as described in any of the above, the top of the pile body abuts against the connecting piece 1, and the outer side wall of the pile body is connected with the connecting part.

[0045] The implementation effect is that the pile foundation adopts a single column 5, avoiding pouring multiple cast-in-place piles, reducing the construction cost and accelerating the engineering progress, the single column 5 abuts against the connecting piece 1 and is connected with the connecting arm 11, so that the tower connecting structure composed of the single column 5, the connecting piece 1 and the connecting arm 11 has strong bending moment overturning resistance, and the pile body is driven into the ground to offset the pulling force or pressure through friction.

[0046] As described above, the connecting arm 11 is welded with the side surface of the column 5, so that the weld is located on the side surface of the column 5 and is vertically arranged, replacing the traditional connecting mode in which the weld is located on the top of the column, thereby improving the bending moment resistance.

[0047] The above only describes some embodiments of the present application, and it should be noted that those skilled in the art can make some improvements and refinements without departing from the principles of the present application, and these improvements and refinements should also be regarded as the protection scope of the present application.

Claims

1. A connecting support platform for a crane tower, characterized in that, Includes a connector for abutting against the top of the pile and fixing it to the bottom of the tower body. The connector includes several connecting members connected side by side, with opposite ends of the connecting members extending downwards. The ends of the several connecting members on the same side of the connector together form a connecting arm, which extends downwards for connecting to the outer wall of the pile. The connecting members are made of plate. It also includes a beam embedded in the top of the pile and two corbels connected to the outer side wall of the pile; the two corbels correspond one-to-one with the two ends of the beam and are connected to the corresponding ends of the beam; the connector, beam and corbels are arranged in order from top to bottom, the beam abuts against the connector and is arranged in a cross pattern; It also includes a tie rod assembly; the beam and the corbel are arranged at intervals, and the beam is connected to the corbel through the tie rod assembly; the tie rod assembly includes a tie rod corresponding to each corbel, a first locking block and a second locking block detachably connected to the tie rod; the tie rod passes through the beam and the corbel, the first locking block abuts against the top of the beam, and the second locking block abuts against the bottom of the corbel; The beam body includes several load-bearing beams embedded in the top of the pile body and pad beams disposed at both ends of the load-bearing beams; the several load-bearing beams are arranged side by side and are all arranged crosswise with the connector; the bottom of the connector and the pad beams on both sides abut against the several load-bearing beams; the tie rod is located between adjacent load-bearing beams and passes through the pad beams; the first locking block abuts against the top of the pad beam.

2. The connecting support platform for the crane tower according to claim 1, characterized in that, The connector also includes reinforcing ribs; the reinforcing ribs are respectively connected to the connecting members on adjacent sides.

3. The connecting support platform for the crane tower according to claim 1, characterized in that, The pad beam includes two horizontal beams arranged side by side; the horizontal beams are arranged in a cross pattern with the load-bearing beams, the tie rod is located between the two horizontal beams, the bottom of both horizontal beams abuts against several load-bearing beams, and the top of both horizontal beams abuts against the first locking block.

4. The connecting support platform for the crane tower according to claim 1, characterized in that, The corbel includes a top plate and a bottom plate connected to the outer wall of the pile body, and several support plates located between the top plate and the bottom plate; the tie rod is located between adjacent support plates and passes through the top plate and the bottom plate; the second locking block abuts against the bottom of the bottom plate.

5. The connecting support platform for the crane tower according to claim 1, characterized in that, Both the first and second locking blocks have a double nut structure and are detachably threaded to the pull rod.

6. A steel foundation anti-overturning structure for a crane tower, including piles, characterized in that, It also includes the connecting platform of the gantry as described in any one of claims 1-5, wherein the top of the pile body abuts against the connector, and the outer wall of the pile body is welded to the connector.

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