阅读说明：本技术 一种水下桩基加固的钢套筒吊装导向装置及安装方法 (Steel sleeve hoisting guide device for reinforcing underwater pile foundation and mounting method ) 是由 胡峰强 吴方燃 胡思聪 于 2020-07-02 设计创作，主要内容包括：一种水下桩基加固的钢套筒吊装导向装置及安装方法,包括：抱箍,分配梁,上主梁,下主梁,系梁,吊杆,轨道梁,横向导梁,纵向导梁。在抱箍上沿横桥向桥墩两侧安装固定分配梁；上主梁沿纵桥向桥墩两侧安装固定在分配梁顶面；系梁沿横桥向桥墩两侧连接固定在上主梁下面；吊杆上端与上主梁连接固定；下主梁平行于上主梁,通过吊杆下端连接固定；轨道梁沿横桥向布置在系梁与分配梁之间,并与系梁和分配梁分别连接固定；横向导梁垂直连接固定在下主梁顶面；纵向导梁与下主梁平行,且垂直连接固定横向导梁顶面。本发明的吊装导向装置及安装方法,结构简单,操作快捷,能显著提高钢套筒安装时的定位精准度,节省施工时间和费用。(A steel sleeve hoisting guide device for reinforcing an underwater pile foundation and an installation method thereof comprise: the hoop, the distribution beam, the upper main beam, the lower main beam, the tie beam, the suspender, the track beam, the transverse guide beam and the longitudinal guide beam. Fixing distribution beams are arranged on the anchor ear along the transverse bridge to two sides of the pier; the upper main beam is fixedly arranged on the top surface of the distribution beam along the longitudinal bridge to the two sides of the bridge pier; the tie beam is connected and fixed below the upper main beam along the transverse bridge to two sides of the bridge pier; the upper end of the suspender is fixedly connected with the upper main beam; the lower main beam is parallel to the upper main beam and is fixedly connected through the lower end of the suspender; the track beam is arranged between the tie beam and the distribution beam along the transverse bridge direction and is respectively connected and fixed with the tie beam and the distribution beam; the transverse guide beam is vertically connected and fixed on the top surface of the lower main beam; the longitudinal guide beam is parallel to the lower main beam and is vertically connected and fixed with the top surface of the transverse guide beam. The hoisting guide device and the installation method have the advantages of simple structure and quick operation, can obviously improve the positioning accuracy during the installation of the steel sleeve, and saves the construction time and the cost.)

1. A hoisting guide device of a steel sleeve for reinforcing an underwater pile foundation is characterized by comprising a hoop, a distribution beam, an upper main beam, a lower main beam, a tie beam, a suspender, a track beam, a transverse guide beam and a longitudinal guide beam; the hoop comprises a pair of semicircular steel plates, an upper bracket, a lower bracket, a rubber cushion layer, a fastening bolt and a limiting bolt;

the distribution beam penetrates between the upper bracket and the lower bracket of the hoop, a limiting bolt is arranged between the upper bracket and the lower bracket to prevent the distribution beam from moving outwards, and gaps among the distribution beam, the upper bracket and the lower bracket are filled with steel sheets;

the hoop is arranged at a proper position of the pier stud, then the distribution beam penetrates between the upper bracket and the lower bracket of the hoop, a limiting bolt is arranged between the upper bracket and the lower bracket to prevent the distribution beam from moving outwards, and gaps among the distribution beam, the upper bracket and the lower bracket can be filled with steel sheets; the upper main beam is fixedly arranged on the top surface of the distribution beam along the longitudinal bridge to the two sides of the bridge pier; the tie beam is connected and fixed below the upper main beam along the transverse bridge to two sides of the bridge pier; the upper end of the suspender is fixedly connected with the upper main beam; the lower main beam is parallel to the upper main beam and is fixedly connected through the lower end of the suspender; the track beam is arranged between the tie beam and the distribution beam along the transverse bridge direction, and is respectively connected and fixed with the tie beam and the distribution beam, and the steel sleeve is hung on the track beam and slides towards the pier stud; the transverse guide beam is vertically connected and fixed on the top surface of the lower main beam; the longitudinal guide beam is parallel to the lower main beam and is vertically connected and fixed on the top surface of the transverse guide beam.

2. The method for installing the steel sleeve hoisting guide device for reinforcing the underwater pile foundation as claimed in claim 1, wherein the method comprises the steps of:

(1) installing a fixed hoop at a proper position of the pier stud;

(2) penetrating the distribution beam between the upper bracket and the lower bracket of the hoop, installing a limiting bolt between the upper bracket and the lower bracket to prevent the distribution beam from moving outwards, and filling gaps among the distribution beam, the upper bracket and the lower bracket with steel sheets;

(3) the upper main beam is fixedly arranged on the top surface of the distribution beam along the longitudinal bridge to the two sides of the bridge pier;

(4) the tie beam is connected and fixed below the upper main beam along the transverse bridge to two sides of the bridge pier;

(5) the upper end of the suspender is fixedly connected with the upper main beam, and the lower main beam is parallel to the upper main beam and fixedly connected with the lower end of the suspender;

(6) the track beam is arranged between the tie beam and the distribution beam along the transverse bridge direction and is respectively connected and fixed with the tie beam and the distribution beam;

(7) the transverse guide beam is vertically connected and fixed on the top surface of the lower main beam; the longitudinal guide beam is parallel to the lower main beam and is vertically connected and fixed with the top surface of the transverse guide beam.

Technical Field

The invention belongs to the technical field of constructional engineering, relates to the field of downward placing, installing and constructing of a steel sleeve, and particularly relates to a steel sleeve installation guide device and an installation method.

Background

The terrain and geological conditions of China are very complex, and the China becomes a genuine bridge strong country along with the rapid development of the traffic cause. The bridge is the throat of a road, the bridge safety is a major problem related to the healthy development of traffic industry and the life and property safety of people, and the guarantee of the bridge operation safety is an important task of bridge workers. However, many bridges soon became diseased due to the limitations of early design and construction technical standards and operating management levels, environmental effects and natural aging. With the continuous promotion of bridge construction business in China, at present, many in-service bridges gradually enter into a maintenance period, various bridge diseases are exposed, the number of dangerous bridges is increased, and bridge collapse accidents occur. The pile foundation is used as a foundation building of the bridge and is also a position where diseases are easy to occur, so that the pile foundation is particularly important to be reinforced. But the pile foundation diseases have the characteristics of strong concealment, difficult detection and the like, so that the pile foundation is more difficult to reinforce. In order to solve the problems of maintenance and reinforcement of the pile foundation, technical personnel also face a new difficult problem, namely the steel sleeve is positioned and hoisted in the installation process to easily cause unallowable deviation, the construction workload is large, the construction convenience is poor, the construction progress is slow, and the quality of pile foundation reinforcement is finally influenced.

Disclosure of Invention

The invention aims to provide a steel sleeve hoisting guide device with high efficiency and high precision and an installation method aiming at the technical problems of the guide device of the existing steel sleeve for reinforcing an underwater pile foundation.

The invention is realized by the following technical scheme.

The invention relates to a hoisting guide device of a steel sleeve for reinforcing an underwater pile foundation, which is a device for forming a frame structure by taking an original bridge pier and an anchor ear as basic supporting points. Comprises a hoop, a distribution beam, an upper main beam, a lower main beam, a tie beam, a suspender, a track beam, a transverse guide beam and a longitudinal guide beam. The hoop comprises a pair of semicircular steel plates, an upper bracket, a lower bracket, a rubber cushion layer, a fastening bolt and a limiting bolt.

The distribution beam penetrates between the bracket and the lower bracket on the hoop, a limiting bolt is arranged between the upper bracket and the lower bracket to prevent the distribution beam from moving outwards, and a gap between the distribution beam and the upper bracket and between the distribution beam and the lower bracket can be filled with steel sheets.

Installing a fixed hoop at a proper position of the pier stud, then penetrating the distribution beam between an upper bracket and a lower bracket of the hoop, installing a limiting bolt between the upper bracket and the lower bracket to prevent the distribution beam from moving outwards, and filling gaps among the distribution beam, the upper bracket and the lower bracket with steel sheets; the upper main beam is fixedly arranged on the top surface of the distribution beam along the longitudinal bridge to the two sides of the bridge pier; the tie beam is connected and fixed below the upper main beam along the transverse bridge to two sides of the bridge pier; the upper end of the suspender is fixedly connected with the upper main beam; the lower main beam is parallel to the upper main beam and is fixedly connected through the lower end of the suspender; the track beam is arranged between the tie beam and the distribution beam along the transverse bridge direction, and is respectively connected and fixed with the tie beam and the distribution beam, and the steel sleeve is hung on the track beam and slides towards the pier stud; the transverse guide beam is vertically connected and fixed on the top surface of the lower main beam; the longitudinal guide beam is parallel to the lower main beam and is vertically connected and fixed on the top surface of the transverse guide beam.

The invention relates to an installation method of a steel sleeve hoisting guide device for reinforcing an underwater pile foundation, which comprises the following steps.

(1) And a fixed hoop is arranged at a proper position of the pier stud.

(2) The distribution beam penetrates between the upper bracket and the lower bracket of the hoop, a limiting bolt is arranged between the upper bracket and the lower bracket to prevent the distribution beam from moving outwards, and gaps among the distribution beam, the upper bracket and the lower bracket can be filled with steel sheets.

(3) The upper main beam is fixedly arranged on the top surface of the distribution beam along the longitudinal bridge to the two sides of the bridge pier.

(4) The tie beam is connected and fixed below the upper main beam along the transverse bridge to two sides of the pier.

(5) The upper end of the suspender is fixedly connected with the upper main beam, and the lower main beam is parallel to the upper main beam and is fixedly connected with the lower end of the suspender.

(6) The track beam is arranged between the tie beam and the distribution beam along the transverse bridge direction and is respectively connected and fixed with the tie beam and the distribution beam.

(7) The transverse guide beam is vertically connected and fixed on the top surface of the lower main beam; the longitudinal guide beam is parallel to the lower main beam and is vertically connected and fixed with the top surface of the transverse guide beam.

The two half steel sleeves are conveyed to a position where a pile foundation is to be reinforced by a ship, then the two half steel sleeves are hoisted to a track beam, then the two half steel sleeves are respectively moved to a specified position along the track beam to a pier stud direction through a chain block, then the steel sleeves are assembled and bolted into a whole, the steel sleeves are placed down through the chain block after completion, and then the steel sleeves are accurately sunk to a preset position along a transverse guide beam and a longitudinal guide beam.

Compared with the prior art, the invention has the following beneficial effects: the hoisting guide device and the installation method of the steel sleeve for reinforcing the underwater pile foundation have the advantages of easy operation, low technical requirement, no need of complex mechanical equipment or appliances, rapid understanding and application of field workers, great improvement of working efficiency and reduction of construction cost. So that the deviation in the installation process of the steel sleeve can be controlled.

Drawings

Figure 1 is a plan view of a hoist guide of the present invention.

FIG. 2 is a cross-sectional view taken along line A-A of the present invention.

FIG. 3 is a cross-sectional view taken along line B-B of the present invention.

FIG. 4 is a cross-sectional view taken along line C-C of the present invention.

Fig. 5 is a plan view of the hoop of the present invention.

FIG. 6 is a cross-sectional view taken along line D-D of FIG. 5 in accordance with the present invention.

Fig. 7 is a schematic structural view of the upper and lower corbels according to the present invention.

FIG. 8 is a cross-sectional view taken along line E-E of FIG. 5 in accordance with the present invention.

In the figure: the steel hoop is characterized in that the hoop 1 is a hoop, the distribution beam 2 is an upper main beam, the upper main beam 3 is a lower main beam 4, the tie beam 5 is a tie beam, the hanger rod 6 is a track beam 7, the transverse guide beam 8 is a transverse guide beam 9 is a longitudinal guide beam 10 is a steel sleeve 11, the upper bracket 11 is an upper bracket 12 is a lower bracket, and the limiting bolt 13 is a limiting bolt.

Detailed Description

The hoisting guide device and the installation method of the underwater pile foundation reinforcing steel sleeve are described in detail below with reference to the accompanying drawings.

As shown in the figure, the invention relates to a hoisting guide device of an underwater pile foundation reinforcing steel sleeve, which comprises a hoop 1, a distribution beam 2, an upper main beam 3, a lower main beam 4, a tie beam 5, a suspender 6, a track beam 7, a transverse guide beam 8 and a longitudinal guide beam 9.

The figure shows a hoisting guide device of an underwater pile foundation reinforcing steel sleeve. The anchor ear 1 is fixed in the suitable position installation of pier stud, penetrates between bracket 11 and lower bracket 12 on the anchor ear with distribution beam 2, goes up and installs stop bolt 13 between bracket 11 and the lower bracket 12 and prevent that distribution beam 2 from outwards moving, if there is the steel sheet to fill in the space between distribution beam and the lower bracket of last bracket.

The upper main beam 3 is fixedly arranged on the top surface of the distribution beam 2 along the longitudinal bridge to the two sides of the bridge pier; the tie beam 5 is fixedly connected below the upper main beam 3 along the transverse bridge to two sides of the bridge pier; the upper end of the suspender 6 is fixedly connected with the upper main beam; the lower main beam 4 is parallel to the upper main beam 3 and is fixedly connected with the lower end of the suspender 6.

The track beam 7 is arranged between the tie beam 5 and the distribution beam 2 along the transverse bridge direction and is respectively connected and fixed with the tie beam 5 and the distribution beam 2; the steel sleeve 10 is hung on the rail beam and slid toward the pier stud.

The transverse guide beam 8 is vertically connected and fixed on the top surface of the lower main beam 4; the longitudinal guide beam 9 is parallel to the lower main beam 4 and is vertically connected and fixed with the top surface of the transverse guide beam 8. This is the hoisting guide and the method of installation by which the steel sleeve can be accurately lowered to a predetermined position.

The installation method of the steel sleeve hoisting guide device for reinforcing the underwater pile foundation comprises the following steps.

(1) And a fixed hoop 1 is arranged at a proper position of the pier stud.

(2) The distribution beam 2 penetrates between the upper bracket 11 and the lower bracket 12 of the hoop, the limiting bolt 13 is arranged between the upper bracket 11 and the lower bracket 12 to prevent the distribution beam 2 from moving outwards, and gaps between the distribution beam 2 and the upper bracket 11 and the lower bracket 12 are filled with steel sheets.

(3) The upper main beam 3 is fixedly arranged on the top surface of the distribution beam 2 along the longitudinal bridge to two sides of the bridge pier.

(4) The tie beam 5 is connected and fixed under the upper main beam 3 along the transverse bridge to the two sides of the bridge pier.

(5) The upper end of the suspender 6 is fixedly connected with the upper main beam 3, and the lower main beam 4 is parallel to the upper main beam 3 and is fixedly connected with the lower end of the suspender 6.

(6) The track beam is arranged between the tie beam and the distribution beam along the transverse bridge direction and is respectively connected and fixed with the tie beam and the distribution beam.

(7) The transverse guide beam 8 is vertically connected and fixed on the top surface of the lower main beam 4; the longitudinal guide beam 9 is parallel to the lower main beam 4 and is vertically connected and fixed with the top surface of the transverse guide beam 8.

It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.