CN108755419A - A kind of operation platform and installation method of the lifting of bridge shockproof steel block - Google Patents
A kind of operation platform and installation method of the lifting of bridge shockproof steel block Download PDFInfo
- Publication number
- CN108755419A CN108755419A CN201810484098.0A CN201810484098A CN108755419A CN 108755419 A CN108755419 A CN 108755419A CN 201810484098 A CN201810484098 A CN 201810484098A CN 108755419 A CN108755419 A CN 108755419A
- Authority
- CN
- China
- Prior art keywords
- steel
- shockproof
- bolt
- sleeve
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to the operation platforms and installation method of a kind of lifting of bridge shockproof steel block, this method is the installation platform in truck crane large arm, operation platform bottom plate one end and one end pin hole of the end steel plate on truck crane large arm top are hinged, and the other end is connect with the other end of end steel plate by leading screw tube-in-tube structure；It first passes through truck crane large arm and operation platform is moved into ground, by anti-knock block from the bottom plate that open operation door moves to operation platform；Truck crane large arm rises to the pier coping portion of installation anti-knock block, positioning plate is adjacent to realization positioning with pier top groove plane, attachment strap is overlapped in pier top, the adjusting of leading screw tube-in-tube structure makes one end of operation platform move up, anti-knock block is slid onto in pier top groove, it adjusts anti-knock block and pre-embedded steel slab and aligns bolt, by bolt presses and complete the installation of anti-knock block.The present invention provides it is a kind of it is simple and direct, quickly by anti-knock block be directly taken up to bridge pier groove bridge shockproof steel block lifting operation platform and installation method.
Description
Technical field
The present invention relates to the operation platforms that bridge overpass sets up field more particularly to a kind of lifting of bridge shockproof steel block
And installation method.
Background technology
Bridge shockproof steel block is mainly used for limiting the lateral displacement of bridge superstructure, is usually set on bent cap or abutment
Set lateral block（Or shear connector）, its block is divided into internal block and external block in relation to specification, internal block is usually from pier
Platform gos deep into inside beam body or between beam, and external block is usually placed in the both sides of superstructure, and the aileron of abutment usually serves as outside
Portion's block.Under geological process, block not only acts as the effect of cross spacing, restrainer, moreover it is possible to protect the quake-resistant safety of bearing
Property.Existing shockproof steel block is irregular steel member, needs to be mounted on the pre-embedded steel slab of frame box beam bottom.Installation
When, after the plane requirement in beam falling prevention stopping block strap bolt hole and the pre-embedded steel slab bolt hole exactitude position of box beam bottom, then use bolt
Installment work is completed in connection.When shockproof steel block does not play a role, box beam can free vibration, when shockproof steel block play make
Used time, case vibration of beam suffer restraints.
Shockproof steel block is generally installed after setting a roof beam in place, if shockproof steel block installed before setting a roof beam in place, although very convenient,
But the feeding beam and support grouting for installing shockproof steel block in advance when will influence box beam erection, and the position and thousand of shockproof beam block
The position on jin top overlaps, and can not achieve and normally falls beam.It is limited by box beam bottom and top of bridge pier space of planes, shockproof steel block installation
It relies primarily on hand fit's crane or hoistable platform shockproof steel block is hung on bridge pier groove, such as in the pre-buried angle steel of pier coping portion
Afterwards, arrangement simple suspension crane installation, except needs arrange 4 operating personnel's cooperations by shockproof steel block righting and essence in pier coping portion
It determines outside position, also needs arrangement personnel's specialized operations simple suspension crane and electronic and bottle gouard moved by hands operation, simple suspension crane
Transfer needs the transfer for coordinating crane and repeats installation, dismounting, and process is very complicated, often installs the shockproof steel block of a hole bridge
Need transfer 1 time；Crane is such as used to coordinate manually installed shockproof beam block, crane that shockproof steel block is promoted to box beam bottom height
Shockproof steel block manually will be pulled to bridge pier groove with steel wire rope support, need 8-9 people using being accomplished manually by Cheng Hou（Everyone
100kg is being drawn in the air）Operation, as space cannot accommodate construction personnel, it is necessary to which auxiliary machinery push-and-pull assists to complete, Er Qie
It is very difficult when being positioned in limited space, it is also necessary to arrange special messenger to assume unified command of, therefore, difficulty of construction is very big；Pier height is less than
10 meters of shockproof beam block installed using the fork truck that loading machine is restructured, its flexible Application of bridge pier height limitation, especially
Platform cannot be down to ground, need to coordinate miscellaneous equipment that shockproof steel block is packed into platform, and the connection of platform and loading machine is difficult
Also larger, there are certain security risk, in lifting process the shaking of platform fear is generated to operating personnel's psychology；Railway
The beam falling prevention stopping block installation system issued in bridge construction is provided in fixed between frame box beam bottom and bridge pier groove
The boom hoisting of beam falling prevention stopping block, and the beam falling prevention stopping block exactitude position trolley between frame box beam bottom and bridge pier pier top,
When bridge pier is run, the auxiliary that takes appropriate measures is needed, the self-portable boom hoisting on frame box beam beam face is set
Exclude the influence of Roadway Construction, it is desirable that reserve a construction channel for it, operating personnel enter pier coping portion construction, Er Qieyi
Another outfit 2-3 people is needed to move with it inspection circuit when dynamic, current circuitry obstacle of getting rid of the danger, system is up and down while mobile coordination refers to
It waves etc. and to be both needed to arrangement personnel, movement speed is slower.
There are larger security risks for the installation method of above-mentioned shockproof steel block, while labor intensity when operation is big, peace
It is slow to fill speed, construction cost is caused to increase.
Invention content
It is an object of the invention to overcome, the shockproof steel block installation speed of existing highway bridge is slow, labor intensity is big, of high cost
Disadvantage and provide it is a kind of it is simple and direct, quickly by shockproof steel block be directly taken up to bridge pier groove bridge shockproof steel block lifting
Operation platform and installation method.
To achieve the goals above, the present invention provides the following technical solutions：A kind of construction of bridge shockproof steel block lifting
Platform, the operation platform include bottom plate, fence and operation door, operate and one is fixedly installed below the outermost side floor panels of door perpendicular to bottom plate
Positioning plate, the attachment strap that width is not less than 10cm is reserved on the bottom plate on the outside of positioning plate, for the overlap joint with pier top；Construction is flat
Platform bottom plate one end and one end of the end steel plate on truck crane large arm top are hinged, the other end and the end steel plate of operation platform bottom plate
The other end pass through the leading screw tube-in-tube structure connection of adjustable operation platform floor level height.
Two symmetrically arranged first sleeves are arranged in one end of the remotely located plate of bottom plate, and first sleeve is flat through construction
The bottom plate of platform, upper surface is concordant with bottom plate, is inserted into the adjustable screw with outer silk, the outer diameter of adjustable screw in two first sleeves respectively
Less than the internal diameter of first sleeve, the upper end setting one of adjustable screw can drive the adjusting set that adjustable screw is only rotated to a direction
Cylinder adjusts sleeve and is provided with external screw thread and internal thread, and the external screw thread for adjusting sleeve is matched with the internal thread of first sleeve, is adjusted
The internal thread of sleeve and the male thread of adjustable screw close, and adjust sleeve and screw in the gap between first sleeve and adjustable screw；Institute
The front-end and back-end for stating the end steel plate of truck crane large arm are both provided with bolt sleeve through end steel plate, in bolt sleeve
It is provided with internal thread, the both ends of each bolt sleeve screw in screw rod, are provided on screw rod and spiral shell in the bolt sleeve at screw-in
The other end of the matched external screw thread of line, two screw rods for screwing in end steel plate front end is inserted into two the second lower ends respectively
In sleeve bearing, adjustable screw screws in the second casing, and the outer silk of adjustable screw matches shape with the tapping of the second inside pipe casing
At leading screw tube-in-tube structure；Two symmetrical body cradles are welded in both sides close to the lower face of the bottom plate of positioning plate, under body cradle
End is third casing, and the other end of two screw rods of end steel plate rear end is inserted into be formed in two third casings respectively and be hinged；It is logical
It crosses operation platform bottom plate and the bolt of truck crane large arm one end is hinged, the cooperation other end is connected by leading screw tube-in-tube structure and bottom plate
It connects, rotating regulating sleeve, regulating base board faces the upper and lower position of bridge pier side, and then adjusts the level inclination of operation platform；Adjusting set
It is provided with handle on cylinder.
The operation platform bottom plate includes load-carrying members and steel plate, and load-carrying members production method is：Using two root long 10cm*
10cm square steel is arranged as spandrel girder, load-bearing beam length 200cm by spacing 60cm；Distribution beam is made of 10cm*10cm angle steel,
Spacing is arranged that distribution beam and spandrel girder firm welding form load-carrying members by 40cm；Steel plate is welded on the distribution beam of load-carrying members
On.
A kind of installation method of bridge shockproof steel block, this method include：（1）The same ruler that will be anchored with shockproof steel block
Very little, bolt hole position consistency pre-embedded steel slab is embedded to as bed die with concreting, using double bolt collars on pre-embedded steel slab
Structure type；（2）Installation platform on end steel plate in truck crane large arm, bottom plate is close to one end and end of positioning plate
The screw rod screwed in steel plate bolt is hinged, and the bottom plate of one end of remotely located plate passes through leading screw sleeve knot with the front end of end steel plate
Structure connects, adjusting screw sleeve, the level inclination of adjustable bottom and end steel plate；（3）First passing through truck crane large arm will construct
Platform moves to ground, manually by shockproof steel block from the bottom plate that open operation door moves to operation platform, shockproof steel block
Several rolling bars are arranged in lower part；（4）Scheduling job personnel enter the job platform of the shockproof steel block installation of pier top, truck crane large arm
The pier coping portion for installing shockproof steel block is risen to, the positioning plate of operation platform is made to be adjacent to realization positioning with pier top groove plane,
Attachment strap is overlapped in pier top, is adjusted by leading screw tube-in-tube structure so that one end of operation platform moves up, make operation platform bottom plate with
Pier top groove horizontal plane generates an inclined angle, is slided using the rolling bar of shockproof steel block lower part, is convenient for shockproof steel block
Into the groove plane of top of bridge pier；（5）Operating personnel is slowly drawn shockproof steel block into top of bridge pier using angle of inclination
Groove plane ensures that shockproof steel block is moved to pre-buried bolt collar lower part, adjusts the side of shockproof steel block and pre-embedded steel slab
To completing the conveying task that shockproof steel block enters work surface；（6）The contraposition bolt of shockproof steel block and pre-embedded steel slab is adjusted,
By bolt presses and complete the installation of shockproof steel block.
Step（2）The end steel plate of middle truck crane large arm and the connection type of operation platform are as follows：The axis of third casing
When direction is consistent with the bolt sleeve axis direction of end steel plate front end, two screw rods are inserted into respectively in two third casings,
The other end of screw rod is screwed in respectively in the bolt hub internal bore of end steel plate front end, hinged as operation platform and end steel plate
Axis makes two third casings for being welded on operation platform bottom be formed with the horizontal screw bolt in the bolt sleeve of end steel plate hinged
Mode；It is inserted into two screw rods respectively in two sleeve bearings, the other end of screw rod screws in the pin bushing of end steel plate rear end
In two holes of cylinder, then the internal thread of the second casing is corresponded to the underface of bottom plate, by the lower end of adjustable screw from first set
Open Side Down is inserted into the internal thread of the second casing for pipe, and the interior diameter of first sleeve is more than the interior diameter of the second casing, adjustable
The lower end external screw thread of leading screw is matched with the internal thread of the second casing, after the location determination of adjustable screw, will adjust sleeve
It screws in the gap between first sleeve and adjustable screw, adjustable screw is only rotated with one direction of adjusting sleeve；With hinged
One end is as fulcrum, in rotating regulating sleeve on operation platform, realizes up and down motion of the adjustable screw relative to first sleeve,
And then the level inclination between operation platform and end steel plate is adjusted, the maximum horizontal inclination angle of operation platform and end steel plate is
15°。
The hook set at four angles in the quadrangle of shockproof steel block and operation platform fence is connected fixation using steel wire rope, is prevented
Shockproof steel block in uphill process is only conveyed to slide on rolling bar.
One end is embedded to when the fixed pre-embedded steel slab of pre-buried shockproof steel block to be embedded in concrete using sleeve bolt, it is another
Hold the exposed connection for shockproof steel block, the bolt collar exposure 2-3cm of plate exposure side, so that beam body concrete pours
The bolt installation for facilitating fixed shockproof steel block after completion and form removal is built, shockproof steel block bolt hole and bolt collar are also allowed for
Precisely contraposition.
Block is jacked up using mechanic jacks, when away from pre-embedded steel slab 5-10cm, 20 steel pipes of φ of a 35cm long can be used
Shockproof steel block is aligned with embedded part bolt hole, then all screws on bolt, ensures that shockproof steel block is horizontal as possible, prevents
Bolt mistake silk；After bolt is screwed on, mechanic jacks are first fallen 3-4mm, after shockproof steel block after flat, then up by jack
It rises, intersecting with pre-embedded steel slab until shifting onto shockproof steel block, during being pushed away on jack, constantly tightening bolt.
Gap between shockproof steel block and pre-embedded steel slab was used as the gad of preservative treatment after the installation of shockproof steel block
Plate is clogged, and when thickness difference occurs with gap, is selected suitable wedge according to pore size and is welded with steel plate.
Step（6）In specific installation method it is as follows：Manually by the bolt hole pair of pre-buried bolt collar and shockproof steel block
Together, bolt is penetrated, first exits the rolling bar under shockproof steel block 2-3 on bolt one by one, it then will be shockproof with mechanical jack
Steel block is promoted at beam bottom pre-embedded steel slab, and closely connected therewith, and the contraposition for completing shockproof steel block and pre-embedded steel slab bolt adjusts,
Pre-embedded steel slab is firmly compressed to the installment work for completing shockproof steel block with flat head bolt, until all bolts entirely reach design
Torsion.
The good effect that the above-mentioned technical proposal of the present invention generates is as follows：
1. the present invention conveys shockproof steel block using automobile construction platform for hanging and directly reaches bridge pier groove, uphill process does not need
Manpower coordinates；Operation platform, which can both land, facilitates shockproof steel block to be packed into platform, can also stretch the recessed of up to bridge pier top
At slot, more convenient operation, the scope of application is more extensive；
2. construction personnel and shockproof steel block fulfil assignment in operation platform, construction fall safety hidden danger, operation people can be prevented
Member's safety is controlled, while solving personnel and operating marching into the arena and withdrawing for Work tool；
3. for the safety for ensureing in shockproof steel block and operating personnel's distributing procedure, movable construction operation platform periphery sets reinforcing bar and encloses
Column faces bridge pier top side and sets a door, and personnel is facilitated thus to pass in and out and the loading of block and draw off.Platform uphill process
In, block quadrangle is fixed securely with steel wire rope, and block slides during preventing drop；When pier top moves block, grasping
Make to arrange that the anti-stop block sliding of safety rope is fallen on platform, operating personnel's bolt safety belt is connected with platform and large arm, to ensure safety.
4. using leading screw tube-in-tube structure connection construction platform and truck crane large arm, operation platform can be adjusted by adjusting screw
The level inclination of bottom plate, and then easily can simply be pulled shockproof steel block in bridge pier groove using the inclined angle,
Saving manpower easy to use；
5. can deliver within the scope of shockproof steel block to truck crane lifting at the bridge pier of arbitrary height, construction transfer is flexible.
6. using double-jacket tube design concept, keep the contraposition of shockproof steel block and pre-embedded steel slab and anchoring operation easier.
7. reasonable design of the present invention, using simplicity, reduces labor intensity, improve operating efficiency, it is hidden to eliminate safety
Suffer from, reduces installation cost.
Description of the drawings
Fig. 1 is the structural schematic diagram of operation platform of the present invention.
Fig. 2 is the structural schematic diagram of truck crane large arm of the present invention end steel plate.
Fig. 3 is the partial structural diagram that bottom plate of the present invention is riveted with truck crane large arm end steel plate by rod iron bolt.
Fig. 4 is the structural schematic diagram that bottom plate of the present invention is connect with truck crane large arm end steel plate by leading screw tube-in-tube structure.
Fig. 5 is the structural schematic diagram of load-carrying members of the present invention.
Fig. 6 is the partial schematic diagram that the present invention places the side view of operation platform, end steel plate later of shockproof steel block.
It is marked in figure as follows：1, bottom plate；2, fence；3, door is operated；4, positioning plate；5, attachment strap；6, end steel plate；7, spiral shell
Bar；8, first sleeve；9, sleeve bearing；10, adjustable screw；11, the second casing；12, third casing；13, body cradle；14, it holds
Weight structure；15, bolt sleeve；16, sleeve is adjusted；17, handle；18, shockproof steel block；19, rolling bar.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment is further elaborated technical scheme of the present invention.
Embodiment：Gansu Province sea express passway engineering canal South Road to the shockproof steel block of West 4th Ring Road box girder with corrugated steel webs installation case
Example
One, project profile：
Zhengzhou City Gansu Province sea express passway engineering canal South Road is to the shockproof steel block of West 4th Ring Road box girder with corrugated steel webs by N1 × 1+N2 × 2
The steel plate of+N3 × 5 three kinds of model is welded, gross weight 1.039t, biggest size of element length × width × height=1460mm × 1460mm
×960mm.Block direction across bridge and bridge pier groove both sides clear space are away from 200mm, away from bottom clear space away from 100mm, bridge 1# and 2# branch
Wide × high operable space of seat cushion stone is about 1.6m × 0.8m.Welding assembly work is carried out again after taking single-piece to install such as block construction
Skill is needed to complete operation of largely welding in the overhead position, be limited by installation space, and not only difficulty of construction is very big, construction quality cannot protect
Card, and there are security risks.For this purpose, after need to first completing the overall package of block, then carry out integral installation.
It, cannot be by shockproof steel using simple suspension crane installation because the shockproof steel block of this engineering is arranged in the centre of beam bottom
Block, which is hung, is sent to position, need to coordinate manpower dilatory, cannot be unfolded to exert oneself in narrow space personnel, therefore, nearly 1t weights
Block is dilatory not only unrealistic in place, and because lifting backstop wave may to operating personnel or simple machine caused by safety
Risk；Block is conveyed using loading machine restructuring fork truck platform, and cannot effectively be implemented because bridge pier height is close to 20m；Using iron
The beam falling prevention stopping block installation system used in the bridge construction of road installs shockproof steel block, appoints though construction can be completed safely and effectively
It is engaged in, but the united application of its complicated structure design and plurality of devices, not only complex procedures, but also construction dispatching difficulty is larger,
The especially weight of the shockproof steel block（1039kg）The significantly larger than 150kg of railroad bridge, fixed beam falling prevention stopping block rise
Device for hoisting, beam falling prevention stopping block exactitude position trolley, self-portable boom hoisting, hand push wheel, vehicle frame, steel wire rope hook, electricity
The elevating capacity and structure design of dynamic cucurbit etc., which are both needed to redesign, to be calculated and checks.
Two, shockproof steel block is carried out using the operation platform of the shockproof steel block lifting of the present invention to install, as shown in figures 1 to 6,
The operation platform includes bottom plate 1, fence 2 and operation door 3, operates and one is fixedly installed below the outermost side floor panels of door perpendicular to bottom plate
Positioning plate 4 is reserved with the attachment strap 5 that width is not less than 10cm on the bottom plate on the outside of positioning plate, for the overlap joint with pier top；Construction is flat
Platform bottom plate one end and one end of the end steel plate 6 on truck crane large arm top are hinged, the other end and the end steel of operation platform bottom plate
The other end of plate is connected by the way that the leading screw tube-in-tube structure of operation platform floor level height is adjusted.
The end steel plate on truck crane large arm top is one block of steel plate, and the centre position of rear and front end is provided with square groove, such as
Shown in Fig. 2.
Two symmetrically arranged first sleeves 8 are arranged in one end of the remotely located plate of bottom plate, and first sleeve is through construction
The bottom plate of platform, upper surface is concordant with bottom plate, is inserted into the adjustable screw 10 of external tapping, adjustable screw in two first sleeves respectively
Outer diameter be less than the internal diameter of first sleeve, the upper end setting of adjustable screw one can drive the tune that adjustable screw rotates in one direction
Sleeve 16 is saved, sleeve is adjusted and is provided with internal thread and external screw thread, the male thread of the internal thread and adjustable screw that adjust sleeve closes, and drive can
It adjusts leading screw to rotate in one direction, internal thread is set inside first sleeve, adjusts the external screw thread of sleeve and the interior spiral shell of first sleeve
Line matches, and the gap between first sleeve and adjustable screw can be screwed in by adjusting sleeve, and adjustable screw phase can be driven by adjusting sleeve
First sleeve is moved upwards；The front-end and back-end of the end steel plate of the truck crane large arm are both provided with through end steel plate
Bolt sleeve 15, be both provided with internal thread in bolt sleeve, the both ends of each bolt sleeve screw in screw rod 7, set on screw rod
It is equipped with and the matched external screw thread of bolt internal thread of sleeve at screw-in, the other end of two screw rods of screw-in end steel plate front end
It is inserted into two sleeve bearings 9, the 11 inside tapping of the second casing respectively, adjustable screw screws in the second casing, outside adjustable screw
Silk matches to form leading screw tube-in-tube structure with the internal thread of the second casing；Both sides welding two close to the lower face of the bottom plate of positioning plate
The lower end of a symmetrical body cradle 13, body cradle is third casing 12, and the other end of two screw rods of end steel plate rear end is distinguished
It is inserted into be formed in two third casings and be hinged, hinged by operation platform bottom plate and the bolt of truck crane large arm one end, cooperation is another
One end is connect by leading screw tube-in-tube structure with bottom plate, adjusts adjustable screw, regulating base board faces the upper and lower position of bridge pier side, and then adjusts
Save the level inclination of operation platform.The maximum horizontal inclination angle of operation platform and end steel plate is 15 °.
It adjusts and is provided with handle 17 on sleeve.
The operation platform bottom plate includes load-carrying members 14 and steel plate, and load-carrying members production method is：Using two root longs
10cm*10cm square steel is arranged as spandrel girder, load-bearing beam length 200cm by spacing 60cm；Distribution beam uses 10cm*10cm angle steel
It makes, spacing is arranged by 40cm, and distribution beam and spandrel girder firm welding form load-carrying members；Steel plate is welded on load-carrying members
In distribution beam.
The installation steps that shockproof steel block is carried out using above-mentioned operation platform are as follows：
Step 1. using with the steel plate of the same size of shockproof 18 anchor plate of steel block, bolt hole position consistency as bed die, and with mixed
Solidifying soil pours in Transducers Embedded in Concrete, and using double bolt sleeve barrel structure forms on pre-embedded steel slab, embedment one end is pre- using sleeve bolt
It is embedded in concrete, other side protruded length 2-3cm uses dowel and anchoring for the connection with shockproof steel block, pre-embedded steel slab
Bolt is anchored at cast-in-place concrete beam-ends, the connecting plate as shockproof steel block.
Step 2. uses factory operation, completes the weld job of Antivibration block, and the zinc-plated shockproof steel block of completion that derusts
Preservative treatment, be transported to scene it is spare.
Step 3. makes operation platform, and using two root long 10cm*10cm square steel as spandrel girder, load-bearing beam length 200cm is pressed
Spacing 60cm arrangements；Distribution beam is made of 10cm*10cm angle steel, and spacing is arranged by 40cm, distribution beam and spandrel girder welding jail
Gu forming load-carrying members 14；Steel plate is welded on the bottom plate that operation platform is formed in the distribution beam of load-carrying members.
Step 4. uses the shelf pipe of Φ 48mm as fence in three face of operation platform, is facing one side direction Φ of bridge pier
The shelf control of 48mm is made the folding operation door opened to both sides, the handling of convenient working personnel disengaging and shockproof steel block.
Step 5. send platform to the positioning to pier top for convenience of crane, makees in the outside welding 3mm steel plates of operation door
For positioning plate, positioning plate reserves the steel plate of wide 10cm as construction on the outside of bottom plate, the positioning plate outside enclosing structure
Platform and pier top overlapped attachment strap.
It after step 6. platform completes, is installed on the end steel plate on truck crane large arm top, utilizes top thickness
The steel plate of 20mm long * wide=70cm*60cm as a platform bearer operation platform, then by operation platform spandrel girder with
A rod iron bolt of one end is hinged on crane large arm end plate, a diameter of 60 millimeters of rod iron, the crane large arm end plate other end
A rod iron and operation platform spandrel girder connection using the connection of sleeve leading screw, the level for adjusting operation platform makes to put down
Platform keeps being in horizontality in crane transmission process；The connection type of end steel plate and operation platform is as follows：
Step（2）The end steel plate of middle truck crane large arm and the connection type of operation platform are as follows：The axis direction of third casing
When consistent with the bolt sleeve axis direction of end steel plate front end, two screw rods are inserted into respectively in two third casings, screw rod
The other end screw in respectively in the bolt hub internal bore of end steel plate front end, as operation platform and the hinged axis of end steel plate,
Two third casings for being welded on operation platform bottom are made to form hinged side with the horizontal screw bolt in the bolt sleeve of end steel plate
Formula；It is inserted into two screw rods respectively in two sleeve bearings, the other end of screw rod screws in the bolt sleeve of end steel plate rear end
Two holes in, then the internal thread of the second casing is corresponded to the underface of bottom plate, by the lower end of adjustable screw from first sleeve
Open Side Down passes through first sleeve to screw in the internal thread of the second casing, and the interior diameter of first sleeve is more than the interior of the second casing
The lower end external screw thread of diameter, adjustable screw is matched with the internal thread of the second casing, will after the location determination of adjustable screw
Sleeve is adjusted to screw in the gap between first sleeve and adjustable screw, after adjusting sleeve and screwing in, due to adjustable screw only with
It adjusts one direction of sleeve to rotate, reversely rotates and adjust sleeve, adjust sleeve and drive adjustable screw upward relative to first sleeve
Movement changes the level inclination of operation platform and end steel plate.Using hinged one end as fulcrum, rotates and adjust on operation platform
When saving sleeve, because leading screw is longer, only with sleeve rotation is adjusted, toward upper and lower directions activity, leading screw bottom and the second casing connection are tight
Close, up and down motion of the adjustable screw relative to first sleeve can be realized in rotating regulating sleeve, and then adjusts operation platform and end
Level inclination between head steel plate.The maximum horizontal inclination angle of operation platform and end steel plate is 15 °.
Step 7. operation platform starts crane, operation platform is put down after installation is complete on platform of crane large arm
To ground, is connected with ground level using leading screw tube-in-tube structure adjustment operation platform, manually moved to shockproof steel block with rolling bar
On operation platform, several rolling bars 19 are arranged in the lower end of shockproof steel block, using steel wire rope by the quadrangle of shockproof steel block and construction
The hook set at four angles of platform rail connects fixation, prevents shockproof steel block in conveying uphill process from being slided on rolling bar.
Step 8. arranges 4 operating personnels to enter operation platform, and truck crane large arm rises to the bridge for installing shockproof steel block
Pier top portion；The positioning plate of operation platform is set concordantly to be close to pier top groove, attachment strap is overlapped in pier top.
Step 9. arranges that a steel pipe is indexed as anchor point fixed manual cucurbit in the other side of bridge pier, first passes through screw set
Barrel structure adjust operation platform angle of inclination, so that the bottom plate of remotely located plate one end is tilted upwards, convenient for shockproof steel block to
Movement in groove；It is slided using the rolling bar of shockproof steel block lower part, shockproof steel block is slowly drawn into the recessed of top of bridge pier
Slot plane, hand fit are controlled with crowbar, ensure that shockproof steel block is moved to pre-buried bolt collar lower part on rolling bar always,
The conveying task that shockproof steel block enters work surface is completed in the direction for adjusting shockproof steel block and pre-embedded steel slab.
Step 10. is jacked up block using mechanic jacks, when away from pre-embedded steel slab 5-10cm, can use the φ of a 35cm long
Shockproof steel block is aligned by 20 steel pipes with embedded part bolt hole, then all screws on bolt, ensures shockproof steel block water as possible
It is flat, prevent bolt mistake silk.
After step 11. screw is screwed on, machinery is pushed up into the 3-4mm that first falls.After shockproof steel block from after putting down, then jack is past
Rising, intersecting with pre-embedded steel slab until shifting onto shockproof steel block.During being pushed away on jack, bolt is constantly tightened.
After the shockproof steel block steel plate of step 12. and pre-embedded steel slab are closely connected, bolt is tightened using spanner.
The gap of step 13. shockproof steel block and pre-embedded steel slab was used as the gad plate of preservative treatment after block installation
Filling is selected suitable wedge according to pore size and is welded with steel plate when thickness difference occurs with gap.
Claims (10)
1. a kind of operation platform of bridge shockproof steel block lifting, it is characterised in that：The operation platform includes bottom plate, fence and behaviour
Make door, operates the positioning plate that one is fixedly installed below the outermost side floor panels of door perpendicular to bottom plate, reserved on the bottom plate on the outside of positioning plate
There is width to be not less than the attachment strap of 10cm, for the overlap joint with pier top；The end of operation platform bottom plate one end and truck crane large arm top
One end of head steel plate is hinged, and the other end of operation platform bottom plate is with the other end of end steel plate by the way that operation platform bottom plate is adjusted
The leading screw tube-in-tube structure of level height connects.
2. a kind of operation platform of bridge shockproof steel block lifting according to claim 1, it is characterised in that：The bottom plate
Two symmetrically arranged first sleeves are arranged in one end of remotely located plate, and first sleeve runs through the bottom plate of operation platform, upper surface
It is concordant with bottom plate, the adjustable screw with outer silk is inserted into two first sleeves respectively, the outer diameter of adjustable screw is less than first sleeve
Internal diameter, the upper end setting one of adjustable screw can drive the adjusting sleeve that adjustable screw is only rotated to a direction, adjust sleeve and set
It is equipped with external screw thread and internal thread, the external screw thread for adjusting sleeve is matched with the internal thread of first sleeve, adjusts the internal thread of sleeve
It is closed with the male thread of adjustable screw, adjusts sleeve and screw in the gap between first sleeve and adjustable screw；The truck crane large arm
The front-end and back-end of end steel plate be both provided with the bolt sleeve through end steel plate, be both provided with interior spiral shell in bolt sleeve
The both ends of line, each bolt sleeve screw in screw rod, are provided on screw rod matched with the bolt internal thread of sleeve at screw-in
The other end of external screw thread, two screw rods for screwing in end steel plate front end is inserted into the sleeve bearing of two the second lower ends respectively
Interior, adjustable screw screws in the second casing, and the outer silk of adjustable screw matches to form screw set with the tapping of the second inside pipe casing
Barrel structure；Two symmetrical body cradles are welded close to the both sides of the lower face of the bottom plate of positioning plate, the lower end of body cradle is third
Casing, the other end of two screw rods of end steel plate rear end are inserted into be formed in two third casings respectively and be hinged；It is flat by constructing
Platform bottom plate and the bolt of truck crane large arm one end are hinged, and the cooperation other end is connect by leading screw tube-in-tube structure with bottom plate, and rotation is adjusted
Sleeve is saved, regulating base board faces the upper and lower position of bridge pier side, and then adjusts the level inclination of operation platform；It adjusts and is provided on sleeve
Handle.
3. a kind of operation platform of bridge shockproof steel block lifting according to claim 1, it is characterised in that：The construction
Platform floor includes load-carrying members and steel plate, and load-carrying members production method is：Using two root long 10cm*10cm square steel as load-bearing
Beam, load-bearing beam length 200cm are arranged by spacing 60cm；Distribution beam is made of 10cm*10cm angle steel, and spacing is arranged by 40cm, point
With beam and spandrel girder firm welding, load-carrying members are formed；Steel plate is welded in the distribution beam of load-carrying members.
4. a kind of operation platform lifted using bridge shockproof steel block described in claim 1 carries out bridge shockproof steel block
Installation method, it is characterised in that：This method includes：（1）By the same size that is anchored with shockproof steel block, bolt hole position consistency
Pre-embedded steel slab is embedded to as bed die with concreting, using double bolt sleeve barrel structure forms on pre-embedded steel slab；（2）In automobile
Hang installation platform on the end steel plate in large arm, the spiral shell that bottom plate screws in one end of positioning plate and end steel plate bolt
Bar is hinged, and the bottom plate of one end of remotely located plate is connect with the front end of end steel plate by leading screw tube-in-tube structure, adjusting screw set
Cylinder, the level inclination of adjustable bottom and end steel plate；（3）It first passes through truck crane large arm and operation platform is moved into ground, manually
By shockproof steel block from the bottom plate that open operation door moves to operation platform, several rolling bars are arranged in the lower part of shockproof steel block；
（4）Scheduling job personnel enter the job platform of the shockproof steel block installation of pier top, and truck crane large arm rises to the shockproof steel of installation
The pier coping portion of block makes the positioning plate of operation platform be adjacent to realization positioning with pier top groove plane, and attachment strap is overlapped in pier top,
Being adjusted by leading screw tube-in-tube structure makes one end of operation platform move up, and operation platform bottom plate is made to be generated with pier top groove horizontal plane
One inclined angle is slided using the rolling bar of shockproof steel block lower part, and the groove that top of bridge pier is entered convenient for shockproof steel block is flat
Face；（5）Shockproof steel block is slowly drawn the groove plane into top of bridge pier using angle of inclination by operating personnel, ensures shockproof steel
Block is moved to pre-buried bolt collar lower part, adjusts the direction of shockproof steel block and pre-embedded steel slab, complete shockproof steel block into
Enter the conveying task of work surface；（6）The contraposition bolt for adjusting shockproof steel block and pre-embedded steel slab by bolt presses and is completed anti-
Shake the installation of steel block.
5. a kind of installation method of bridge shockproof steel block according to claim 4, it is characterised in that：Step（2）Middle vapour
Vehicle hang large arm end steel plate and operation platform connection type it is as follows：The axis direction of third casing and end steel plate front end
When bolt sleeve axis direction is consistent, two screw rods are inserted into respectively in two third casings, the other end of screw rod screws in respectively
In the bolt hub internal bore of end steel plate front end, as operation platform and the hinged axis of end steel plate, two are made to be welded on construction
The third casing of mesa base forms articulated manner with the horizontal screw bolt in the bolt sleeve of end steel plate；In two sleeve bearings
It is inside inserted into two screw rods respectively, the other end of screw rod screws in two holes of the bolt sleeve of end steel plate rear end, then will
The internal thread of second casing corresponds to the underface of bottom plate, by the lower end of adjustable screw from first sleeve Open Side Down be inserted into second
In the internal thread of casing, the interior diameter of first sleeve is more than the interior diameter of the second casing, the lower end external screw thread of adjustable screw and the
The internal thread of two casings matches, and after the location determination of adjustable screw, will adjust sleeve and screws in first sleeve and adjustable silk
In gap between thick stick, adjustable screw is only rotated with one direction of adjusting sleeve；It is flat in construction using hinged one end as fulcrum
On platform when rotating regulating sleeve, up and down motion of the adjustable screw relative to first sleeve is realized, and then adjust operation platform and end
The maximum horizontal inclination angle of level inclination between head steel plate, operation platform and end steel plate is 15 °.
6. a kind of installation method of bridge shockproof steel block according to claim 4, it is characterised in that：It will using steel wire rope
The hook set at four angles in the quadrangle of shockproof steel block and operation platform fence connects fixation, prevents shockproof in conveying uphill process
Steel block slides on rolling bar.
7. a kind of installation method of bridge shockproof steel block according to claim 4, it is characterised in that：Pre-buried shockproof steel gear
One end is embedded to when the fixed pre-embedded steel slab of block to be embedded in concrete using sleeve bolt, the other end is exposed to be used for and shockproof steel is kept off
The connection of block, the bolt collar exposure 2-3cm of plate exposure side, so as to convenient solid after beam body concreting completion and form removal
The bolt installation of fixed shockproof steel block, also allows for the accurate contraposition of shockproof steel block bolt hole and bolt collar.
8. a kind of installation method of bridge shockproof steel block according to claim 4, it is characterised in that：Utilize mechanical jack
Top jacks up block, can be with 20 steel pipes of φ of a 35cm long by shockproof steel block and built-in fitting when away from pre-embedded steel slab 5-10cm
Bolt hole is aligned, and then all screws on bolt, is ensured that shockproof steel block is horizontal as possible, is prevented bolt mistake silk；After bolt is screwed on,
Mechanic jacks are first fallen 3-4mm, after shockproof steel block after flat, then by jack toward rising, until by shockproof steel block
It shifts onto and intersects with pre-embedded steel slab, during being pushed away on jack, constantly tighten bolt.
9. a kind of installation method of bridge shockproof steel block according to claim 4, it is characterised in that：Shockproof steel block with
Gap between pre-embedded steel slab was used as the gad plate filling of preservative treatment, when thickness and gap after the installation of shockproof steel block
When there is difference, suitable wedge is selected according to pore size and is welded with steel plate.
10. a kind of installation method of bridge shockproof steel block according to claim 4, it is characterised in that：Step（6）Middle tool
Body installation method is as follows：Pre-buried bolt collar is aligned with the bolt hole of shockproof steel block manually, penetrates bolt, first spiral shell one by one
2-3 on bolt, the rolling bar under shockproof steel block is exited, it is pre-buried that shockproof steel block is then promoted to beam bottom with mechanical jack
At steel plate, and closely connected therewith, the contraposition for completing shockproof steel block and pre-embedded steel slab bolt adjusts, with flat head bolt by pre-embedded steel slab
The installment work for completing shockproof steel block is firmly compressed, until all bolts entirely reach the torsion of design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810484098.0A CN108755419B (en) | 2018-05-19 | 2018-05-19 | Construction platform for hoisting bridge shock-proof steel stop block and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810484098.0A CN108755419B (en) | 2018-05-19 | 2018-05-19 | Construction platform for hoisting bridge shock-proof steel stop block and installation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108755419A true CN108755419A (en) | 2018-11-06 |
| CN108755419B CN108755419B (en) | 2023-09-08 |
Family
ID=64007165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810484098.0A Active CN108755419B (en) | 2018-05-19 | 2018-05-19 | Construction platform for hoisting bridge shock-proof steel stop block and installation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108755419B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110329893A (en) * | 2019-08-05 | 2019-10-15 | 吴江市深记设备搬运安装有限公司 | Foldable upper air installing platform |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53599A (en) * | 1976-06-24 | 1978-01-06 | Ishikawajima Harima Heavy Ind Co Ltd | Construction vehicle |
| JPH0940381A (en) * | 1995-07-28 | 1997-02-10 | Toyota Autom Loom Works Ltd | Bucket for vehicle for high lift work |
| JPH11147691A (en) * | 1997-11-17 | 1999-06-02 | Kokudo Sogo Kensetsu Kk | Device and method for supporting and attaching heavy article for high place work |
| CN202482772U (en) * | 2012-03-11 | 2012-10-10 | 中铁一局集团有限公司 | Collapse-proof stop block mounting system for railway bridge |
| CN202744961U (en) * | 2012-08-10 | 2013-02-20 | 中铁十五局集团有限公司 | Lifting mechanism for anti-falling beam check block |
| CN204825666U (en) * | 2015-07-24 | 2015-12-02 | 中铁十局集团建筑工程有限公司 | Roof beam of preventing falling hoist and mount installation device |
| CN205443949U (en) * | 2016-01-27 | 2016-08-10 | 中铁三局集团线桥工程有限公司 | Trolley for mounting anti -drop -beam check block |
| CN208328708U (en) * | 2018-05-19 | 2019-01-04 | 中水电第十一工程局（郑州）有限公司 | A kind of lifting construction platform of overhead top of bridge pier operation |
-
2018
- 2018-05-19 CN CN201810484098.0A patent/CN108755419B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53599A (en) * | 1976-06-24 | 1978-01-06 | Ishikawajima Harima Heavy Ind Co Ltd | Construction vehicle |
| JPH0940381A (en) * | 1995-07-28 | 1997-02-10 | Toyota Autom Loom Works Ltd | Bucket for vehicle for high lift work |
| JPH11147691A (en) * | 1997-11-17 | 1999-06-02 | Kokudo Sogo Kensetsu Kk | Device and method for supporting and attaching heavy article for high place work |
| CN202482772U (en) * | 2012-03-11 | 2012-10-10 | 中铁一局集团有限公司 | Collapse-proof stop block mounting system for railway bridge |
| CN202744961U (en) * | 2012-08-10 | 2013-02-20 | 中铁十五局集团有限公司 | Lifting mechanism for anti-falling beam check block |
| CN204825666U (en) * | 2015-07-24 | 2015-12-02 | 中铁十局集团建筑工程有限公司 | Roof beam of preventing falling hoist and mount installation device |
| CN205443949U (en) * | 2016-01-27 | 2016-08-10 | 中铁三局集团线桥工程有限公司 | Trolley for mounting anti -drop -beam check block |
| CN208328708U (en) * | 2018-05-19 | 2019-01-04 | 中水电第十一工程局（郑州）有限公司 | A kind of lifting construction platform of overhead top of bridge pier operation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110329893A (en) * | 2019-08-05 | 2019-10-15 | 吴江市深记设备搬运安装有限公司 | Foldable upper air installing platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108755419B (en) | 2023-09-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104878693B (en) | Lateral girder erection structure for truss double-girder type bridge girder erection machine, construction method of erection structure, and lateral girder erection method based on erection structure | |
| CN104790295B (en) | Construction method of tire type gantry crane frame beam | |
| CN107012949A (en) | A kind of method for improving of large-span steel vestibule | |
| CN102704949A (en) | No-pull rod side wall construction method for underground tunnel and formwork trolley for construction | |
| CN103939114B (en) | A kind of outstanding rail chassis lining construction method | |
| CN202596743U (en) | Formwork trolley for underground tunnel pull-rod-free side wall construction | |
| CN105484162B (en) | Suspension bridge construction stiff girder secondary on the bank swings moving device and method | |
| CN205025086U (en) | Strength nature skeleton concrete beam construction suspend template in midair | |
| CN107013038A (en) | A kind of steel structure slipping of building roof lighting Zhongting changes column construction method | |
| CN110374008A (en) | A method of the erection of cable-stayed bridge steel truss is carried out in marine environment | |
| CN103498425A (en) | Full-dismounting combination type multifunctional bracket supporting structure and construction method thereof | |
| CN112854008A (en) | Prefabricated bridge pier and beam integrated bridge girder erection machine and construction method thereof | |
| CN111139743A (en) | Method for improving speed of highway beam frame and installation method of gantry crane | |
| CN107060070A (en) | Load transfer device and the construction method that steel vestibule is lifted with the device | |
| CN113957793A (en) | Construction method for prefabricating box girder support in complex urban environment | |
| CN110468743A (en) | A kind of traveling cradle and construction method for the transformation of old pier coping | |
| CN102926388B (en) | Earth moving method for deep foundation pit excavation | |
| CN208328708U (en) | A kind of lifting construction platform of overhead top of bridge pier operation | |
| CN106988333A (en) | The prefabricated cushion cap and its construction technology of core are filled with joint bar | |
| CN103132702A (en) | Longspan pipe truss pulling bar lifting and overhead rotating emplacing construction method | |
| CN108755419A (en) | A kind of operation platform and installation method of the lifting of bridge shockproof steel block | |
| CN105484166A (en) | Ladder-shaped mast type cantilever assembling crane | |
| CN205529915U (en) | Ladder type masts type hangs pieces together loop wheel machine | |
| CN102691267A (en) | High pier construction method for external whole operation platform | |
| CN116949946A (en) | Construction method for bridge bridging of small-radius curve bridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 450001 No. 59 Lianhua street, hi tech Development Zone, Henan, Zhengzhou Applicant after: China Power Construction Eleventh Bureau Engineering Co.,Ltd. Applicant after: SINOHYDRO BUREAU 11 Co.,Ltd. Address before: 450001 No. 59 Lianhua street, hi tech Development Zone, Henan, Zhengzhou Applicant before: CHINA HYDROPOWER ELEVENTH ENGINEERING BUREAU (ZHENGZHOU) Co.,Ltd. Applicant before: SINOHYDRO BUREAU 11 Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |