CN206538685U - Twin shaft pier and middle binder truss move integrally system - Google Patents

Abstract

The utility model belongs to technical field of bridge construction, it is slow to Bridge High-pier progress to solve traditional overmolded and climbing formwork for construction, slding form operation influences pier shaft surface quality, the problem of damaging concrete inherent quality simultaneously, a kind of twin shaft pier is provided and middle binder truss moves integrally system, including truss platform, hoisting frame, assistance platform, support bar, hydraulic system, template system, truss platform includes horizontal and vertical truss, inner side transverse truss is detachably connected with truss platform, truss platform upper and lower opening sets two layers of jackscrew, main rib sets jackscrew fixing device above and below truss, assistance platform is connected under truss platform, hoisting frame is connected as entirety with truss platform, it is supported on by the jack on hoisting frame crossbeam on support bar, support bar lower end is embedded in concrete, upper end passes through the through-core hole of hydraulic jack.Bridge pier is simultaneously and rapidly constructed with middle binder, shortens construction period, and good economic benefit and social benefit is realized in cost-effective, workable, economical rationality.

Description

Twin shaft pier and middle binder truss move integrally system

Technical field

The utility model belongs to technical field of bridge construction, and in particular to a kind of twin shaft pier and middle binder truss are moved integrally System.

Background technology

As economic continues to develop, infrastructure is further speeded up, and domestic bridge construction increases increasingly, especially mountain Area's project under construction is more and more, and straining beam is set between two-columned pier to increase the technique of pier shaft lateral stiffness in mountain highway It is used widely in bridge construction, high pier is the content frequently encountered in bridge construction, in recent years, pier shaft height is via 30 ~ 50 meters are developed into the restriction for surpassing and landform, geomorphologic conditions being suffered from hundred meters, mountain area high pier construction, and high pier construction is urgently realized Standardization, standardization, to ensure construction quality and construction safety, in addition, continuing to develop with construction industry, construction unit is to work The quality and schedule requirement more and more higher of journey, and traditional overmolded and the climbing formwork for construction progress for Bridge High-pier are significantly slower, According to slding form operation, although progress is very fast, but it is due to slide to produce very big frictional force between concrete and template, influence Pier shaft surface quality, while can also damage concrete inherent quality.

The content of the invention

The utility model uses to solve to use traditional overmolded and climbing formwork for construction significantly slower to Bridge High-pier progress Slding form operation, although progress is very fast, but be due to slide to produce very big frictional force between concrete and template, influence pier shaft table Face quality, while the problem of also damaging concrete inherent quality moves integrally there is provided a kind of twin shaft pier and middle binder truss System.

The utility model adopts the following technical scheme that realization：A kind of twin shaft pier and middle binder truss move integrally system, Including truss platform, hoisting frame, assistance platform, support bar, hydraulic system and template system,

Described truss platform includes transverse truss and longitudiual truss, and the transverse truss and truss platform of inner side are detachable Connection, truss platform upper and lower opening sets main rib correspondence jackscrew position above and below two layers of jackscrew, truss to set jackscrew fixing device, truss Upper surface is covered with plank, and peripheral solder has connects assistance platform under guard rail, truss platform；

Described hoisting frame is connected as entirety with truss platform, is supported on by the jack on hoisting frame crossbeam On support bar,

Described support bar is arranged at four angles of pier stud, and the lower end of support bar is embedded in concrete, and upper end passes through hydraulic pressure thousand The through-core hole on jin top；

Correspondence jackscrew position is also provided with jackscrew fixing device on the template system；

Its twin shaft pier completed and middle binder truss move integrally construction method, and step is as follows：

1）, truss it is assembled：Position of the support bar in pier stud is determined before assembled, with high-grade concrete pre-embedded steel slab conduct Basis, then transverse direction, longitudiual truss are installed, it is constituted a truss structural, while to ensure platform in same level On face；Truss platform is connected firmly with hoisting frame, and hoisting frame is connected firmly with longitudiual truss, jack, and post upper is passed through The through-core hole of hoisting frame, hydraulic jack, with pre-embedded steel slab firm welding；

2）, model sheetinstallat and reinforcing：After the completion of first and second section pier stud concreting, second section Pier Formwork is motionless, tears open Except first segment Pier Formwork, in assistance platform processing template, template is promoted to Section of three pier stud by jack lifting using jack In template position, template is fixed with truss with jackscrew, by tightening nuts adjusting template and truss spacing, template assemblies are carried out And couple this section Pier Formwork with second section Pier Formwork, errorless after-pouring concrete is checked using total station survey；Coagulation Soil reaches after strength of mould stripping dismounting second section Pier Formwork, is promoted to Section four Pier Formwork position, successively form removal, turn over to rise and stand Mould, template spelling, casting concrete, cycle operation during to middle binder position, remove inner side transverse truss, operating personnel are auxiliary Help and support platform is directly set up on platform, while errorless after-pouring concrete is checked in binder and Pier Formwork in installing, measurement, mix Solidifying soil, which reaches, removes support platform and template after strength of mould stripping, install inner side transverse truss, install pier stud reinforcing bar, template, pour Concrete is circulated successively, until pier top；

3）, concreting and maintenance：Concreting is carried out using symmetrical layering, after concreting is finished, with soil Work cloth or plastic cloth covering, and the watering maintenance immediately after concrete final set.

The truss platform is highly 180 ㎝, and width is 100 ㎝；The girder and main rib of truss platform use ∠ 80 × 10, Diagonal rib uses ∠ 63 × 10；The a diameter of 32mm of jackscrew；The plank is 50mm, a height of 150 ㎝ in perimeter defense column；It is described auxiliary Help platform truss for [12#, surrounding every 0.5 meter be horizontally disposed with one of screw-thread steel of Φ 12, junction bolt connection, peripheral hardware guardrail, Closed with safety net.The hoisting frame floor is [20#b；The jack is that 10t climbs jack, and support bar is external diameter 48mm, wall thickness 3.5mm scaffold tubes.The hydraulic system is by hydraulic control panel, hydraulic jack, oil pipe, separator, needle valve Door and annex composition.The template system is made up of large scale steel mould and pull bar, and leading screw is held out against reinforces punching block with split bolt；Steel Mould is rod-pulling type punching block, and steel die thickness 6mm erects rib for [10#, back cord is [12#, often covers the section of steel form point 2, and often section height is 2.25m.The symmetrical placement layer by layer of concrete, every layer pours thickness for 30cm, and vibrating spear moves spacing and made no more than vibrating spear 50-100mm distance is kept with 1.5 times of radius and with template, lower-layer concrete 50-100mm is inserted, concreting is finished Curing period, is no less than 7 days afterwards.

The twin shaft pier and middle binder truss move integrally system and its twin shaft pier completed and middle binder truss is overall Mobile construction method is applied to set the structure type of straining beam in the middle of more than 40 meters of two-columned pier, pier shaft for uiform section or Variable cross-section.

The utility model main rib above and below truss is provided with jackscrew fixing device, and the correspondence jackscrew position in template There is provided jackscrew fixing device, jackscrew is provided with two layers, the jackscrew fixing device led on the stubborn truss main rib of spanner carrys out adjusting template With the spacing of truss, the template of dismounting is disposed on assistance platform, lifted using jack, by jackscrew by template and purlin Frame is fixed, and adjusts jackscrew, carries out template assemblies, liter is turned over successively.The transverse truss of inner side and truss platform detachable connection, are applied Work is to middle binder position, and binder supporting platform is set up during standing is carried out on assistance platform, and pier shaft is carried out by overmolded Construction and twin shaft pier, middle binder synchronous construction, it is ensured that concrete quality, move construction by truss and accelerate project progress, Safely and conveniently, it is cost-effective without large lifting equipment.

Technological principle of the present utility model is：Traditional sliding formwork, over-form construction technique are combined, and truss changed Enter, moved using truss, carry out template and turn over liter.Truss platform is mainly to provide the auxiliary set under operating platform, truss platform Platform is used for template and dismantled and polishing construction.All loads pass to the jack on support bar, mould by hoisting frame on truss Plate is fixed using leading screw with truss, and pier body formwork turns over liter successively, and circulation construction when constructing to middle binder position, removes inner side two Individual transverse truss, directly sets up binder support system on assistance platform, is constructed simultaneously with pier stud.

The utility model avoids rubbing, damage of the slding form operation to concrete surface, improves concrete quality.Template Fixed with truss, truss lifting, form removal repeat operation with die-filling, circulate successively, until pier top, this technological operation is easy, energy Safely and fast operation.Pier stud and middle binder synchronous construction, and do not need traditional floor scaffolding and support frame in constructing, Save substantial amounts of non-structural material, easy construction, reliable in quality.Whole work progress is used as power-equipment, nothing using jack Large lifting equipment need to be put into, cost-effective, process operability is strong, economical rationality.Construction land tenure is less, and job site is whole Clean, work progress has fewer environmental impacts.

The utility model realizes that bridge pier is synchronous with middle binder, rapid construction, accelerates Bridge Construction speed, simultaneously It ensure that the quality of pier shaft concrete.The safety of construction is ensure that, construction period is shortened, construction land tenure is saved, reduced To environment, the influence of traffic, reduce local resident is produced, the influence of life, realize good economic benefit and society Benefit, is designed, management favorable comment consistent with construction unit.The utility model had both met quality, safety and environmental protection requirement, significantly The duration has been saved, pier stud node construction progress is in turn ensure that, it is ensured that the complete cost engineering in high-quality, high standard, fast progress ground, has been had Wide popularizing application prospect.

Brief description of the drawings

Fig. 1 is the utility model process chart；Fig. 2 is truss side schematic view；Fig. 3 is truss elevational schematic view；Fig. 4 For truss floor map；Fig. 5 is single-column pier truss floor map.

In figure：1- truss platforms；1.1- transverse truss；1.2- longitudiual truss；A- girders；B- diagonal ribs；2- hoisting frames；2.1- Hoisting frame floor；3- assistance platforms；4- support bars；5- jackscrews；6- template systems；7-5T guide chains；8- is to pull bar；9- screw-thread steels.

Embodiment

Certain city belt freeway In The Southeast Section B2-1 work area, route total length 4.29km is completely two-way six-lane, bridge 6 Seat, 2.32km altogether, pier stud is using the structure type that straining beam is set between two-columned pier, and pier stud amounts to 209, binder 223 are amounted to, pier stud there are 50 more than 40 meters, and cross-sectional shape is the solid pier of variable cross-section or Thin-wall Hollow Pier.The engineering 2014 Year September goes into operation, and has all been completed in October, 2016 entity project.

The duration of a project is tight, and quality, environmental requirement are high, dangerous larger.By to pier shaft and middle binder structure type, apply Work process is furtherd investigate, and summary forms twin shaft pier and middle binder truss moves integrally construction method, has both met quality, safety Environmental requirement, greatlys save the duration, in turn ensure that pier stud node construction progress, it is ensured that high-quality, high standard, fast progress Complete cost engineering, there is wide popularizing application prospect.

Twin shaft pier and middle binder truss move integrally system, including truss platform 1, hoisting frame 2, assistance platform 3, support bar 4th, hydraulic system and template system 6,

Described truss platform 1 includes transverse truss 1.1 and longitudiual truss 1.2, transverse truss and the truss platform 1 of inner side Detachable connection, the upper and lower opening of truss platform 1 sets main rib correspondence jackscrew position above and below two layers of jackscrew 5, truss to set jackscrew to consolidate Determine device, truss upper surface is covered with plank, and peripheral solder has connection assistance platform 3, truss platform under guard rail, truss platform 1 is 180 ㎝ of height, and width is 100 ㎝；The girder a and main rib of truss platform use ∠ 80 × 10, diagonal rib b to use ∠ 63 × 10； In order to adjust, reinforcing template perpendicularity, truss platform upper and lower opening set two layers of diameter 32mm jackscrew 5；Truss main function is to carry Support is provided for operating platform, and for reinforcing template, the plank of truss upper surface laying is 50mm, perimeter defense column a height of 150 ㎝；In work progress, assistance platform be for form removal, cleaning template, brush releasing agent, curing concrete constructing operation put down Platform.The truss of assistance platform 3 is using [12#, surrounding is horizontally disposed with one of screw-thread steel 9 of Φ 12 every 0.5 meter, and all junctions are whole It is connected with, peripheral hardware guardrail is closed with safety net.

Described hoisting frame 2 is connected as entirety with truss platform 1, and hoisting frame 2 is between whole operation platform and concrete Contact construction, be supported on by the jack on its crossbeam on support bar 4, whole load is passed to by hoisting frame Support bar 4；The floor of hoisting frame 2 uses [20#b.

Described support bar 4 is arranged at four angles of pier stud, and the lower end of support bar 4 is embedded in concrete, and upper end passes through hydraulic pressure The through-core hole of jack, bears whole truss load.While selection 10t climbs jack, from external diameter 48mm, wall thickness 3.5mm scaffold tubes are used as support bar.

The hydraulic system is by hydraulic control panel, hydraulic jack, oil pipe, separator, needle-like valve and other annex groups Into.Pipeline is had to check for before assembling whether unobstructed, it is pressure-resistant whether to meet the requirements, the phenomenons such as oil leak are whether there is, if there is such phenomenon palpus Exclude in time.

Correspondence jackscrew position is also provided with jackscrew fixing device on the template system 6；The template system is by large scale steel mould With pull bar composition, leading screw is held out against reinforces punching block with split bolt；Punching block is rod-pulling type punching block, steel die thickness 6mm, and perpendicular rib is [10#, back cord is [12#, often covers the section of steel form point 2, and often section height is 2.25m.Main rib and template system above and below the truss The jackscrew fixing device of upper setting is that conventional stud cap fixes jackscrew.

Its twin shaft pier completed and middle binder truss move integrally construction method, and step is as follows：

1）, truss it is assembled：Position of the support bar in pier stud is determined before assembled, with high-grade concrete pre-embedded steel slab conduct Basis, then transverse direction, longitudiual truss are installed, it is constituted a truss structural, while to ensure platform in same level On face；Truss platform is connected firmly with hoisting frame, and hoisting frame is connected firmly with longitudiual truss, jack, and post upper is passed through The through-core hole of hoisting frame, hydraulic jack, with pre-embedded steel slab firm welding, jack and oil circuit assembling must do work pressure test, Ensure that jack is intact, should be vertical after installation, and keep cleaning.After truss is assembled, carries out once examination and slide, to check the whole of truss The reliability of body stability and hydraulic test.

2）, steel bar meter and installation：All steel must have product certificate, can after field sampling retrial is qualified Use, its mechanical property, standard should meet design and code requirement.Dabbing processing is carried out at pier shaft split joint, concrete is dug out new Fresh face, will dig out broken quarrel and clean out.Reinforcing bar is connected in reinforcement yard's concentrated processing, pier stud cage bar using straight screw sleeve, Stirrup colligation is carried out again, and pier stud cage bar connects height once using 4.5m.Cover to reinforcement is controlled：Mortar pad is used between reinforcing bar and template Block, cushion block should be with reinforcing bar colligation firmly, and is mutually staggered.When pier stud is constructed to middle binder position, while installing pier stud and middle system Beam steel.

3）, model sheetinstallat and reinforcing：After the completion of first and second section pier stud concreting, second section Pier Formwork is motionless, tears open Except first segment Pier Formwork, in assistance platform processing template, template is promoted to Section of three pier stud by jack lifting using jack In template position, template is fixed with truss with jackscrew, by tightening nuts adjusting template and truss spacing, template assemblies are carried out And couple this section Pier Formwork with second section Pier Formwork, errorless after-pouring concrete is checked using total station survey；Coagulation Soil reaches after strength of mould stripping dismounting second section Pier Formwork, is promoted to Section four Pier Formwork position, successively form removal, turn over to rise and stand Mould, template spelling, casting concrete, cycle operation during to middle binder position, remove inner side transverse truss, operating personnel are auxiliary Help and support platform is directly set up on platform, while errorless after-pouring concrete is checked in binder and Pier Formwork in installing, measurement, mix Solidifying soil, which reaches, removes support platform and template after strength of mould stripping, install inner side transverse truss, install pier stud reinforcing bar, template, pour Concrete is circulated successively, until pier top；

Before model sheetinstallat, it is necessary to polish clean, conscientious rigorous, son after assembly during reliable releasing agent, template assembly is brushed Examining is looked into, it is ensured that size is accurate, seam is tight, and template holds out against the method reinforcing with split bolt using leading screw.Model sheetinstallat is complete Bi Hou, checks its elevation of top surface, each spot size, node contacts and vertically and horizontally stability, examine it is qualified recognize through label after pour into a mould it is mixed Solidifying soil.

3）, concreting and maintenance：Concrete uses central mix, concrete delivery truck transport.Strictly controlled in mixing and stirring Measuring raw materials processed, and on-site measurement is carried out to concrete slump.Pier stud hangs hopper using truck crane and poured, concreting Symmetrical layering is carried out, and every layer pours thickness 30cm, and vibrating spear movement spacing is no more than 1.5 times and and mould of vibrating spear operating radius Plate should keep 50-100mm distance, insert lower-layer concrete 50-100mm, everywhere is vibrated finish after not failure of oscillation smash and blow slowly Propose vibrating spear；Vibrating spear collision slab, reinforcing bar and other built-in fittings should be avoided.To each position of vibrating, it is necessary to vibrate to this Position concrete compaction.Concrete stops sinking when reaching closely knit standard, and smooth bleeding is presented in bubble of no longer emerging, surface.It is mixed Solidifying soil is poured finish after, covered with geotextiles or plastic cloth, and the watering maintenance immediately after concrete final set, curing period is no less than 7 days.

Technological principle is：Traditional sliding formwork, over-form construction technique are combined, and truss is improved, truss is utilized It is mobile, carry out template and turn over liter.Truss platform, which is mainly to provide the assistance platform set under operating platform, truss platform, is used for template Dismounting and polishing construction.All loads pass to the jack on support bar by hoisting frame on truss, template using leading screw with Truss is fixed, and pier body formwork turns over liter successively, and circulation construction when constructing to middle binder position, removes two transverse truss in inner side, directly It is connected on assistance platform and sets up binder support system, is constructed simultaneously with pier stud.

Quality control：Truss structural design, construction quality standard are performed《Code for design of steel structures》GB50017-2003、 《Bridge steel plate structure》 GB714-2000、《Code for acceptance of construction quality of steel structures》 GB50205-2001、《Building iron knot Structure welding technique code》 JGJ81—2002、《Weldquality rule of management》 JB3223-83.The materials such as reinforcing bar, cement are necessary There is the test report of producer and acceptable quality of dispatching from the factory is proved, examined in batches on request using preceding elder generation.The ground such as sand, stone square bar Material, every batch of material of marching into the arena can be used after the assay was approved by laboratory.In strict accordance with《Highway bridge and culvert construction technique normalizing》's Regulation carries out reinforcing bar, template, concrete work.Reinforcing bar, which is stacked, should accomplish to cover on underlay, should be by greasy, the paint on surface before use Skin, iron rust are removed totally, in order to avoid mechanical damage or the corrosion and destruction that makes moist.Coordinate method of laying out is carried out to every section pier shaft using total powerstation Control pier shaft plane stand-off error.Using steel ruler measurement module diagonal, inspection template size is checked, is bound in binder and pier stud During construction, using all-station instrument accurate measurement, elevation is determined.In construction, set up operating personnel's self-inspection, teams and groups mutually examine, process hand over Connect check and work before check, check in work and work after check and subitem branch checks, inspects periodically inside with random inspection Inspection system.Concreting in lifts, vibrates, and must not leak and smash, and vibrating head should not contact template, reinforcing bar, built-in fitting when vibrating.Pour Concrete after note must health in time.The intensity and rigidity of template should meet should be smooth, smooth on the inside of code requirement, template, Rear pattern plate absolute altitude, inside dimension, axial location, the adjacent panels discrepancy in elevation and surface smoothness tolerance are installed to press《Highway bridge and culvert is applied Work technical specification》Checked.It was found that when having more than the possibility of tolerance deformation values, should correct at any time.

Reinforcement installation quality standard is shown in Table 1, and pier stud construction quality standard is shown in Table 2.

Table 1：

Table 2

Safety measure：Workmen should conscientiously carry out every regulation in safety production rules, all workmens Safety education training must be carried out before construction, by passing the examination after can start to work.Strict implement system of responsibility in safe production, The responsibility of personnel at different levels is specified, the safety in production of engineering is done a good job of it.

Surrounding suspension safety net on the outside of the security guardrail of truss platform, assistance platform, scaffold board laying is wanted fixation, applied The upper and lower use cat ladder of workman person, cat ladder installs firm, and surrounding is closed with safety net, protection workmen's safety, construction site Safety signses are set.During double-deck operation, levels should be closely connected, and the moment notes the personal safety of lower floor operating personnel, Work high above the ground personnel fasten seat belts, band kit, forbid to throw out without care, leave about instrument, in order to avoid injure the person of lower section operating personnel Safety, prevents falling object from high altitude.

All electric equipments used have been intended to reliable ground, and set special messenger and be responsible for, should be periodically and irregularly to construction machine The situations such as abrasion, connection and the state deviation of tool equipment are checked, plant equipment is maintained in time, repaired, especially right Lifting means emphasis carries out maintenance repair, forbids plant equipment " in spite of illness " to run, and running check oil pipe line, jack jacking It is whether locked afterwards, to be covered in time after end-of-job, close power supply.Formulate job site safety measures for power consumption, installation, maintenance or Removing temporary electricity facility must have card professional electrician to carry out, it is necessary to adhere to that the lock one of a machine one leaks electricity and come off duty and power off the original of locking Then.

Before lifting operation must close inspection crane gear reliability and security, and carry out examination and hang, hoisting sling is fixed Phase, which checks, to be changed, and lifting operation should assign special messenger to assume unified command of, and the safety operation for playing heavy industry GPRS operation for being responsible for lifting will Ask, other staff there will be clarification in certain roles, forbid to operate against regulations.

Windrow will be placed uniformly on platform, once operating platform run-off the straight, can make support rod bending cause lifting difficult. If supporting rod bending less, it can be corrected by welding supporting member etc., if bending is larger, bending section should be changed Point.The jack discrepancy in elevation periodically is observed with total powerstation, the jack discrepancy in elevation in same level can not be more than 2cm, adjacent very heavy The discrepancy in elevation on top can not be more than 1cm.

Framework wants running check with platform, template bolt, and must not have must not put unnecessary article on loosening phenomenon, platform.Pour When building concrete, all staff on platform will be doubled to take care, and dyke is wounded by suspension bucket.The area that carries on construction work at night must match somebody with somebody Enough lighting installations are prepared enough, each construction operation point that carries on construction work at night is equipped with full-time safe operator on duty, and illuminalive power-supply safety is by duty Electrician is responsible for.During work high above the ground, windage is more than 6 grades（Containing 6 grades）During above strong wind, construction should stop, and building site is carried out Safety inspection.Rainy weather is also noted that lightning protection, if there are the bad weathers such as thunderstorm snow, construction should stop.

Environmental practice：Strengthen construction management, strengthen environmental consciousness.Construction machinery prevents oil leak, preferentially from advanced ring Protect machinery.Forbid the unprocessed just directly discharge of oily water produced during machine operation, or greasy dirt during maintenance construction machinery Water is directly discharged.Construction period, for there is need to again being discharged after precipitation process for sediment and sludge in water.Note maintenance construction Machinery, strengthens the lubrication of construction machinery each several part, machinery is maintained lowest noise level, vehicle is by that must not increase oil during villages and small towns Door is quickly through answering pre-decelerating to slow transit through.From the low construction equipment of functional, noise, and strengthen the scene of equipment Maintenance and maintenance, it is ensured that equipment is constantly in normal operating condition.When fine, job site, sidewalk are sprinkled water, Prevent from stirring up a cloud of dust, pollute surrounding environment.High pier construction discarded object mainly has Sealing formboard with sponge double faced adhesive tape and pours coagulation The concrete wasted when native, carries out the two-sided glue reclaim of sponge and concrete cleaning, forbids burning waste at the construction field (site).Scene Placing of material sets reasonable, the existing green vegetation outside highway safety land used scope, and earth's surface is removed it must be particularly noted that to the greatest extent most The natural vegetation outside cleaning area scope may be protected greatly.When transporting truss, the engineering material being scattered on the way is cleared up in time, it is to avoid Pollute environment.

Performance analysis：Belt freeway In The Southeast Section B2-1 work areas, construction bridges pier stud has 50 more than 40 meters, applies 6 months work durations, using method described in the utility model, truss make use of to be lifted, so as to reduce making for large lifting equipment With rate, 25t truck cranes 2 can be monthly rented less, and every monthly rent 2.8 ten thousand, total has saved 33.6 ten thousand yuan.It ensure that the peace of construction Entirely, construction period is shortened, construction land tenure is saved, the influence to environment, traffic is reduced, reduces and local resident is given birth to Production, life influence, obtain good reputation, realize good economic benefit and social benefit, designed, management and The consistent favorable comment of construction unit.

Claims (5)

1. a kind of twin shaft pier and middle binder truss move integrally system, it is characterised in that：Including truss platform（1）, hoisting frame （2）, assistance platform（3）, support bar（4）, hydraulic system and template system（6）,

Described truss platform（1）Including transverse truss（1.1）And longitudiual truss（1.2）, transverse truss and the truss of inner side are put down Platform（1）Detachable connection, truss platform（1）Upper and lower opening sets two layers of jackscrew（5）, main rib correspondence jackscrew position is set above and below truss Top set wire fixing device, truss upper surface is covered with plank, and peripheral solder has connects assistance platform under guard rail, truss platform （3）,

Described hoisting frame（2）With truss platform（1）Entirety is connected as, passes through the very heavy top support on hoisting frame crossbeam In support bar（4）On,

Described support bar（4）It is arranged at four angles of pier stud, support bar（4）Lower end be embedded in concrete, upper end pass through hydraulic pressure The through-core hole of jack；

The template system（6）Upper correspondence jackscrew position is also provided with jackscrew fixing device.

2. a kind of twin shaft pier according to claim 1 and middle binder truss move integrally system, it is characterised in that：The purlin Body panel（1）Highly it is 180 ㎝, width is 100 ㎝；Truss platform（1）Girder（a）∠ 80 × 10, diagonal rib are used with main rib （b）Using ∠ 63 × 10；The jackscrew（5）A diameter of 32mm；The plank is 50mm, a height of 150 ㎝ in perimeter defense column；It is described Assistance platform（3）Truss is [12#, surrounding is horizontally disposed with one of screw-thread steel of Φ 12 every 0.5 meter（9）, junction bolt connection, Peripheral hardware guardrail, is closed with safety net.

3. a kind of twin shaft pier according to claim 1 and middle binder truss move integrally system, it is characterised in that：It is described to carry Rise frame floor（2.1）For [20#b；The jack is that 10t climbs jack, and support bar is external diameter 48mm, wall thickness 3.5mm pin Hand pipe.

4. a kind of twin shaft pier according to claim 1 and middle binder truss move integrally system, it is characterised in that：The liquid Pressure system is made up of hydraulic control panel, hydraulic jack, oil pipe, separator, needle-like valve and annex.

5. a kind of twin shaft pier according to claim 1 and middle binder truss move integrally system, it is characterised in that：The mould Plate system is made up of large scale steel mould and pull bar, and leading screw is held out against reinforces punching block with split bolt；Punching block is rod-pulling type punching block, punching block face Thickness of slab 6mm, erects rib for [10#, back cord is [12#, often covers the section of steel form point 2, and often section height is 2.25m.