CN101445206A

CN101445206A - Above-water large-scale reinforcement cage hoisting and overturning device

Info

Publication number: CN101445206A
Application number: CNA2008102429158A
Authority: CN
Inventors: 章德春; 王延长; 牟翔; 耿树成; 杨春
Original assignee: FORTH ENGINEERING OF ZHONGTIE BRIDGE BUREAU CO LTD
Current assignee: FORTH ENGINEERING OF ZHONGTIE BRIDGE BUREAU CO LTD
Priority date: 2008-12-30
Filing date: 2008-12-30
Publication date: 2009-06-03

Abstract

The invention relates to an above-water large-scale reinforcement cage hoisting and overturning device. The structure thereof comprises two parts - a reinforcement cage and a rotating rack, wherein, the rear end of the reinforcement cage is positioned on the rotating rack, so that the reinforcement cage rotates along with hoisting, the tip fastening plates of the rotating rack hang the reinforcing collar of the reinforcement cage, and play the role of rear pivot point bearing and safety protection during hoisting. The hoisting and overturning device has the advantages that quick hoisting of the large-scale reinforcement cage in a deep water area can be performed by adopting only a single-hook crane barge; the arc-shaped bearing beam can ensure the contact of a plurality of main ribs of the reinforcement cage and ensure the completeness of the reinforcement cage section; the four tip fastening plates evenly distributed on the arc-shaped beam are utilized to hang the reinforcing collar of the reinforcement cage to ensure that the reinforcement cage can not slide relative to the rotating rack when rotating to the vertical state. The system has the advantages that the reinforcement cage hoisting work load is small, the operation safety is high, the requirement on the coordination ability of the operating driver is low, the labor intensity is reduced, the requirement on the configuration of the above-water crane barge is low, the reinforcement cage hoisting time is short, the equipment investment is reduced, and the piling period is shortened.

Description

Above-water large-scale reinforcement cage hoisting and overturning device

Technical field

What the present invention relates to is a kind of bored pile reinforcement cage hoisting and overturning device waterborne, is specially adapted to the long pile cages lifting of abyssal zone major diameter, installs, and belongs to technical field of building construction.

Background technology

Current, large diameter borehole perfusion multi-column pier foundation is widely used in the bridge deep water foundation, during bored pile construction waterborne, steel reinforcement cage needs after the workshop sectional making is finished on the coast, be transported to the pier position with the construction boats and ships, use two loop wheel machines again, or separate unit double hook loop wheel machine is transferred the steel reinforcement cage sections to the hole after horizontality is lifted by crane into plumbness, owing to the harmony and the skill level of crane operator operation are had relatively high expectations with two loop wheel machines or separate unit double hook loop wheel machine lifting steel reinforcement cage, for major diameter, the long segment steel reinforcement cage, because diameter is big, from great, said method causes the hook that rises of two suspension hooks sometimes, put the inharmonious of hook, and collide other member and cause steel reinforcement cage to damage, hull is hit, accidents such as operating personal is injured, prolonged the steel reinforcement cage set-up time, it is more to cause in the hole boring mud to precipitate once more, strengthens the difficulty in the clear hole of secondary, has influenced the pile cycle.

Summary of the invention

What the present invention proposed is a kind of above-water large-scale reinforcement cage hoisting and overturning device, be intended to overcome the existing in prior technology defective, make the scene, safely, promptly will lie in a horizontal plane in the steel reinforcement cage on the hull with a single hook crane barge, lift by crane into plumbness, shorten the pile cycle on bored pile basis.

Technical solution of the present invention: it is characterized in that comprising steel reinforcement cage and swivel mount two parts, wherein steel reinforcement cage is bearing on the swivel mount rear end when placing, during reinforcement cage hoisting, only lift by crane front end, the rear end swivel mount rotates with the variation of steel reinforcement cage angle, tangle steel reinforcement cage reinforcement hoop, rear fulcrum supporting and safety precaution effect when bearing lifting by breaking tip plate.

Advantage of the present invention: adopt a single hook crane barge just can carry out the fast hoisting of abyssal zone large-scale reinforcement cage; The arc supporting beam can guarantee many main muscle contacts of steel reinforcement cage, guarantees the integraty of steel reinforcement cage sections; Utilize uniform on the arc beam four to break tip plate and tangle steel reinforcement cage and strengthen hoop, guarantee that steel reinforcement cage can be when not being rotated into plumbness and swivel mount generation slide relative.This system have guarantee that the reinforcement cage hoisting working out is little, processing safety is high, to operation driver harmony require low, labour intensity reduces, crane barge configuration requirement waterborne is low, the reinforcing bar cage hoisting time short, reduction equipment drops into, save the advantage in pile cycle.

Description of drawings

Fig. 1 is that the steel reinforcement cage level is placed on the scheme drawing on the dull and stereotyped barge.

Fig. 2 is the scheme drawing that reinforcement cage hoisting becomes plumbness.

Fig. 3 is the swivel mount elevational schematic view.

Fig. 4 is a swivel mount A-A sectional schematic diagram.

Fig. 5 is a swivel mount B-B sectional schematic diagram.

Among the figure 1 is dull and stereotyped barge, the 2nd, crane barge, the 3rd, and suspender, the 4th, steel reinforcement cage, the 5th, steel reinforcement cage is strengthened hoop, the 6th, interim pad, the 7th, undersetting, the 8th, upper bracket, the 9th, roller pin, the 10th, longeron, the 11st, end floor beam, the 12nd, center member, the 13rd, arc supporting beam, the 14th is played pin plate socket, the 15th, breaks tip plate.

The specific embodiment

Contrast accompanying drawing 1, its structure is the end that swivel mount is fixed on dull and stereotyped barge 1, and steel reinforcement cage 4 leading portions are fixed on the dull and stereotyped barge 1 by interim pad 6, and steel reinforcement cage 4 back segments are fixed on the swivel mount, and crane barge 2 connects suspender 3.

Contrast accompanying drawing 2, its structure is that steel reinforcement cage 4 is lifted by crane by crane barge 2 and suspender 3, steel reinforcement cage 4 and dull and stereotyped barge 1 in vertical state, the reinforcement hoop 5 on swivel mount is broken tip plate 15 and is tangled.

Contrast accompanying drawing 3, its structure be swivel mount by undersetting 7, upper bracket 8, roller pin 9, longeron 10, end floor beam 11, center member 12, arc supporting beam 13, play pin plate socket 14, break tip plate 15 and form, wherein swivel mount undersetting 7 joins by roller pin 9 with swivel mount upper bracket 8, swivel mount undersetting 7 is located in dull and stereotyped barge 1 end, form the steel framework on two end floor beams 11, a center member 12 and two longerons 10, upper bracket 8 is established at longeron 10 middle parts, and arc supporting beam 13 is located on the end floor beam 11.

Contrast accompanying drawing 4, the steel reinforcement cage rear fulcrum is placed on the swivel mount of dull and stereotyped barge 1, and arc supporting beam 13 is fixed on end floor beam 11 tops, establishes on the arc supporting beam 13 and plays tip plate socket 14, play tip plate 15 usefulness latches and fix, break tip plate 15 and block steel reinforcement cage reinforcement hoop 5 with playing tip plate socket 14.

Contrast accompanying drawing 5, its structure are to have upper bracket 8, upper bracket 7 to be fixed on the dull and stereotyped barge 1 in the middle of two longerons 10, are connected with roller pin 9 between upper bracket and undersetting.

Two arc supporting corbels firmly wait to lift an end of steel reinforcement cage on the described swivel mount, play tip plate socket 14 for 4 and are evenly distributed on the arc supporting beam 13, will break tip plate 15 and play tip plate socket 14 and block steel reinforcement cage after fixing and strengthen binding round 5 with latch.

The rear end was placed on the swivel mount when described steel reinforcement cage hung aboard ship, front end adopts interim pad, steel reinforcement cage is when laying, should make steel reinforcement cage strengthen hoop 5 near beating tip plate 15 front ends, steel reinforcement cage is winched to when reaching plumbness soon rising, can tangle steel reinforcement cage and strengthen hoop, prevent that the steel reinforcement cage lower end breaks away from swivel mount suddenly or glides along swivel mount.

Described swivel mount undersetting 7 is welded on flat board and refutes 1 afterbody, and upper bracket 8 is fixing with undersetting 7 by roller pin 9, and upper and lower bearing should be able to rotate freely with the variation of steel reinforcement cage angle.

The arc surface of described swivel mount arc supporting beam 13 is consistent with the steel reinforcement cage external diameter, and the spacing that the spacing of two arc supporting beams 13 and steel reinforcement cage are strengthened hoop is consistent.

Described crane barge suspender reply steel reinforcement cage adopts many suspension centres lifting method, prevents that the steel reinforcement cage local pressure is excessive and is out of shape.

During enforcement: make one and connect the swivel mount of two arc supporting beams by shaped steel, swivel mount is fixed on the afterbody of dull and stereotyped barge, when steel reinforcement cage was placed aboard ship, rear fulcrum was placed on the swivel mount, and front end adopts interim pad; When steel reinforcement cage need be installed, crane barge tangled the steel reinforcement cage front end by suspender and slowly plays hook, and the steel reinforcement cage rear end and is raised and rotated with front fulcrum still on swivel mount, breaks away from swivel mount after reaching plumbness.

Concrete steps: according to steel casing diameter, strengthen hoop spacing design swivel mount → swivel mount undersetting 7 with dull and stereotyped refute 1 welding fixing → swivel mount framework installations → steel reinforcement cage hangs on flat board is refuted interim pad and swivel mount on 1 → crane barge 2 and suspender 3 preparation → steel reinforcement cages before suspension centre suspender installation → reinforcement cage hoisting (converting plumbness to) → steel reinforcement cage installation by horizontality.

Claims

1, above-water large-scale reinforcement cage hoisting and overturning device is characterized in that comprising steel reinforcement cage and swivel mount two parts, and wherein the steel reinforcement cage rear end is placed on the swivel mount, and steel reinforcement cage is rotated with lifting, tangles steel reinforcement cage reinforcement hoop by breaking tip plate, bears safety precaution.

2, above-water large-scale reinforcement cage hoisting and overturning device according to claim 1, it is characterized in that described swivel mount forms the steel framework by longeron, end floor beam, center member, arc supporting beam, establish on 2 arc supporting beams and play tip plate socket, and will break tip plate with latch and fix; Swivel mount longeron middle part is welded with upper bracket, by roller pin be fixed on flat board and refute the undersetting of end and be connected.

3, above-water large-scale reinforcement cage hoisting and overturning device according to claim 1, it is characterized in that described swivel mount held an end of waiting to lift steel reinforcement cage by two arc tips support beams, play tip plate socket for 4 and be evenly distributed on the arc tips support beam, will break tip plate and play tip plate socket with latch and fix.

4, above-water large-scale reinforcement cage hoisting and overturning device according to claim 1, the rear end is placed on the swivel mount when it is characterized in that described steel reinforcement cage hangs aboard ship, front end adopts interim pad, steel reinforcement cage is when laying, should make steel reinforcement cage strengthen hoop near beating tip front edge of board, steel reinforcement cage is winched to when reaching plumbness soon rising, break tip plate and can tangle steel reinforcement cage and strengthen binding round, prevent that the steel reinforcement cage lower end breaks away from swivel mount suddenly or moves down along swivel mount.

5, above-water large-scale reinforcement cage hoisting and overturning device according to claim 1, it is characterized in that described swivel mount undersetting is welded on the afterbody that flat board is refuted, upper bracket is fixed by roller pin and undersetting, and upper and lower bearing should be able to rotate freely with the variation of steel reinforcement cage angle.