CN208328708U - A kind of lifting construction platform of overhead top of bridge pier operation - Google Patents
A kind of lifting construction platform of overhead top of bridge pier operation Download PDFInfo
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- CN208328708U CN208328708U CN201820748005.6U CN201820748005U CN208328708U CN 208328708 U CN208328708 U CN 208328708U CN 201820748005 U CN201820748005 U CN 201820748005U CN 208328708 U CN208328708 U CN 208328708U
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Abstract
The utility model relates to bridge overpass to set up field, more particularly to a kind of lifting construction platform of overhead top of bridge pier operation, the operation platform includes bottom plate, fence and operation door, operate the positioning plate that one is fixedly installed below the outermost side floor panels of door perpendicular to bottom plate, the attachment strap that width is not less than 10cm is reserved on bottom plate on the outside of positioning plate, for the overlap joint with pier top；Operation platform bottom plate one end and one end of the end steel plate on truck crane large arm top are hinged, and the other end of operation platform bottom plate is connect with the other end of end steel plate by the way that the lead screw tube-in-tube structure of operation platform floor level height is adjusted.The purpose of the utility model is to overcome the shockproof steel block installation speeds of existing highway bridge slow, large labor intensity, disadvantage at high cost and provide it is a kind of it is simple and direct, shockproof steel block is quickly directly taken the lifting construction platform up to the overhead top of bridge pier operation of bridge pier groove.
Description
Technical field
The utility model relates to bridge overpass to set up field more particularly to a kind of lifting construction of overhead top of bridge pier operation
Platform.
Background technique
Bridge shockproof steel block is mainly used for limiting the lateral displacement of bridge superstructure, usually sets on bent cap or abutment
Lateral block (or shear connector) is set, 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 two sides of superstructure, and the aileron of abutment usually serves as outer
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 support
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 in beam falling prevention stopping block strap bolt hole requires the pre-embedded steel slab bolt hole exactitude position with 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 will affect box beam erection, and the position and thousand of shockproof beam block
The position on jin top is overlapped, and be can not achieve and is normally fallen 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 operator'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 to cooperate the transfer of crane and repeats installation, disassembly, and process is very complicated, the shockproof steel block of one hole bridge of every installation
It needs to shift 1 time；Manually installed shockproof beam block is such as cooperated using crane, shockproof steel block is promoted to box beam bottom height by crane
Shockproof steel block manually will be pulled to bridge pier groove with wirerope support, need 8-9 people (everyone using being accomplished manually by Cheng Hou
100kg is being drawn in the air) operation, as space cannot accommodate construction personnel, it is necessary to which the mechanical push-and-pull of auxiliary 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 cooperate other equipment that shockproof steel block is packed into platform, and the connection of platform and loading machine is difficult
Also larger, there is a certain security risk, and the shaking of platform generates fear to operator's psychology in lifting process；Railway
The beam falling prevention stopping block installation system issued in bridge construction, be arranged in it is 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, need to take appropriate measures auxiliary, and the self-portable boom hoisting on frame box beam beam face is arranged in
Exclude the influence of Roadway Construction, it is desirable that reserve a construction channel for it, operator enters pier coping portion construction, Er Qieyi
Another outfit 2-3 people is needed to move with it inspection route 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 biggish security risks for the installation method of above-mentioned shockproof steel block, while large labor intensity when operation, peace
It is slow to fill speed, construction cost is caused to increase.
Summary of the invention
The purpose of the utility model is to overcome the shockproof steel block installation speeds of existing highway bridge slow, large labor intensity, cost
High disadvantage and provide it is a kind of it is simple and direct, shockproof steel block is quickly directly taken to overhead top of bridge pier operation up to bridge pier groove
Lifting construction platform.
To achieve the goals above, the utility model provides the following technical solutions: a kind of lifting of bridge shockproof steel block
Operation platform, the operation platform include bottom plate, fence and operation door, operate below the outermost side floor panels of door fixed setting one perpendicular to
The positioning plate of bottom plate is reserved with the attachment strap that width is not less than 10cm on the bottom plate on the outside of positioning plate, for the overlap joint with pier top；It applies
Work platform floor one end and one end of the end steel plate on truck crane large arm top are hinged, the other end of operation platform bottom plate and end
The other end of steel plate is connected by the way that the lead screw tube-in-tube structure of operation platform floor level height is adjusted.
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, an adjusting set that adjustable screw can be driven only to rotate to a direction is arranged in the upper end of adjustable screw
Cylinder adjusts sleeve and is provided with external screw thread and internal screw thread, and the external screw thread for adjusting sleeve is matched with the internal screw thread of first sleeve, is adjusted
The internal screw thread of sleeve and the male thread of adjustable screw close, and adjust the gap that sleeve screws 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 provided with bolt sleeve through end steel plate, in bolt sleeve
It is provided with internal screw 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 external screw thread that line matches, 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 is screwed in the second casing, and the outer silk of adjustable screw matches shape with the tapping of the second inside pipe casing
At lead screw tube-in-tube structure；Two symmetrical body cradles are welded in two sides close to the lower end surface 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 two third casings respectively and is formed hingedly；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 lead 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
Handle is provided on cylinder.
The operation platform bottom plate includes load-carrying members and steel plate, load-carrying members production method are as follows: uses 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.
The good effect that the above-mentioned technical proposal of the utility model generates is as follows:
1. the operation platform of the utility model can be used for the construction operation of overhead top of bridge pier and check maintenance, mainly can be with
For the installation of the shockproof steel block of overpass, it is recessed that bridge pier is directly reached using the shockproof steel block of automobile construction platform for hanging conveying
Slot, uphill process do not need manpower cooperation；Operation platform, which can both land, facilitates shockproof steel block to be packed into platform, can also stretch
Up to the groove of bridge pier top, more convenient operation, the scope of application are more extensive；
2. construction personnel and shockproof steel block fulfil assignment in operation platform, construction fall safety hidden danger can be prevented, is made
Industry personnel safety is controlled, while solving personnel and operating marching into the arena and withdrawing for Work tool；
3. movable construction operation platform periphery sets steel to guarantee the safety in shockproof steel block and operating personnel's distributing procedure
Muscle enclose 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 rose
Cheng Zhong, block quadrangle are fixed securely with wirerope, prevent block during drop from sliding；In the mobile block of pier top,
Arrange that the anti-stop block sliding of safety rope is fallen on operating platform, operator's bolt safety belt is connected with platform and large arm, pacifies with plan
Entirely.
4. using lead 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. the utility model is designed reasonably, using simplicity, reduces labor intensity, improves operating efficiency, eliminate peace
Full hidden danger, reduces installation cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model operation platform.
Fig. 2 is the structural schematic diagram of the utility model truck crane large arm end steel plate.
Fig. 3 is that the utility model bottom plate and truck crane large arm end steel plate are illustrated by the partial structurtes that rod iron bolt rivets
Figure.
Fig. 4 is the structural representation that the utility model bottom plate is connect with truck crane large arm end steel plate by lead screw tube-in-tube structure
Figure.
Fig. 5 is the structural schematic diagram of the utility model load-carrying members.
Fig. 6 is the partial schematic diagram that the utility model 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 embodiment
With reference to the accompanying drawing and specific embodiment is further elaborated the technical solution of the utility model.
Embodiment: the installation case at 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
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+
The steel plate of N2 × 2+N3 × 5 three kinds of model is welded, gross weight 1.039t, and biggest size of element length × width × height=1460mm ×
1460mm×960mm.Block direction across bridge and bridge pier groove two sides clear space are away from 200mm, away from bottom clear space away from 100mm, bridge 1#
It can wide × high about 1.6m × 0.8m in operating space with 2# bearing pad stone.It is welded again after taking single-piece to install such as block construction
Packaging technology needs to complete operation of largely welding in the overhead position, is limited by installation space, not only difficulty of construction is very big, construction quality not
It can guarantee, 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 cooperate manpower dilatory, cannot be unfolded to exert oneself in narrow space personnel, therefore, nearly 1t weight
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
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 weight (1039kg) of the especially shockproof steel block is significantly larger than the 150kg of railroad bridge, and fixed beam falling prevention stopping block rises
Device for hoisting, beam falling prevention stopping block exactitude position trolley, self-portable boom hoisting, hand push wheel, vehicle frame, wirerope 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 utility model to install, as shown in figures 1 to 6, the operation platform
Including bottom plate 1, fence 2 and operation door 3, operates fixed setting one below the outermost side floor panels of door and determine perpendicular to the positioning plate 4 of bottom plate
The attachment strap 5 that width is not less than 10cm is reserved on bottom plate on the outside of the plate of position, for the overlap joint with pier top；Operation platform bottom plate one end
It is hinged with one end of the end steel plate 6 on truck crane large arm top, the other end of operation platform bottom plate and the other end of end steel plate
By the lead screw tube-in-tube structure connection that 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 middle 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 first sleeve internal diameter, adjustable screw upper end setting one adjustable screw can be driven to rotate in one direction tune
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 lead screw to rotate in one direction, internal screw 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 provided with through end steel plate
Bolt sleeve 15, be provided with internal screw thread in bolt sleeve, the both ends of each bolt sleeve screw in screw rod 7, set on screw rod
It is equipped with the external screw thread matched with the bolt internal thread of sleeve at screw-in, screws in the other end of two screw rods of 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 lead screw tube-in-tube structure with the internal thread of the second casing；Two sides welding two close to the lower end surface of the bottom plate of positioning plate
A symmetrical body cradle 13, the lower end of body cradle are third casing 12, and the other end of two screw rods of end steel plate rear end is distinguished
It is inserted into two third casings and is formed hingedly, hinged by operation platform bottom plate and the bolt of truck crane large arm one end, cooperation is another
One end is connect by lead 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, load-carrying members production method are as follows: uses 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
Production, spacing are arranged that distribution beam and spandrel girder firm welding form load-carrying members by 40cm；Steel plate is welded on load-carrying members
In distribution beam.
The installation steps for carrying out shockproof steel block using above-mentioned operation platform are as follows:
Step 1. will with the same size of shockproof 18 anchor plate of steel block, the consistent steel plate in bolt hole position as bed die, and
With in concreting Transducers Embedded in Concrete, using double bolt sleeve barrel structure forms on pre-embedded steel slab, embedment one end uses sleeve spiral shell
Bolt is embedded in concrete, other side protruded length 2-3cm for connection with shockproof steel block, pre-embedded steel slab using dowel and
Anchor 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 arrangement；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 two 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 thick steel plate of operation door
For positioning plate, positioning plate reserves the steel plate of wide 10cm as construction perpendicular to bottom plate on the outside of 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
20mm long * wide=70cm*60cm steel plate 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, and rod iron diameter is 60 millimeters, the crane large arm end plate other end
A rod iron and the connection of operation platform spandrel girder connect using sleeve lead screw, for adjusting the level of operation platform, make to put down
Platform is kept in crane transmission process in horizontality；The connection type of end steel plate and operation platform is as follows:
The end steel plate of truck crane large arm and the connection type of operation platform are as follows in step (2): 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 forms the horizontal screw bolt in the bolt sleeve of two third casings for being welded on operation platform bottom and end steel plate hingedly
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 screw 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 for pipe in the internal screw thread that first sleeve screws in the second casing, and the interior diameter of first sleeve is greater than the second casing
The lower end external screw thread of interior diameter, adjustable screw is matched with the internal screw thread of the second casing, after the position of adjustable screw is determined,
Sleeve will be adjusted to screw in the gap between first sleeve and adjustable screw, after adjusting sleeve screw-in, only due to adjustable screw
With adjust one direction of sleeve rotate, reversely rotate adjust sleeve, adjust sleeve drive adjustable screw relative to first sleeve to
Upper movement changes the level inclination of operation platform and end steel plate.Using hinged one end as fulcrum, rotated on operation platform
When adjusting sleeve, because lead screw is longer, only with adjusting sleeve rotation, toward up and down direction activity, lead screw bottom and the second casing connection
Closely, rotating regulating sleeve can be realized up and down motion of the adjustable screw relative to first sleeve, so adjust operation platform with
Level inclination between the steel plate of end.
After step 7. operation platform is installed on platform of crane large arm, starts crane, operation platform is put down
To ground, is connected using lead screw tube-in-tube structure adjustment operation platform with ground level, 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 wirerope 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 sliding 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；It is close to the positioning plate of operation platform concordantly with 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 tilt angle, tilt the bottom plate of remotely located plate one end 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, guarantee 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, guarantees shockproof steel block water as far 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 until shifting onto shockproof steel block with pre-embedded steel slab.During pushing 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.
The operation platform of the utility model can not only install the shockproof steel block of overpass, while can also use in height
Maintenance inspection construction at bridge formation bridge pier top etc..
Claims (9)
1. a kind of lifting construction platform of overhead top of bridge pier operation, 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 and the other end of end steel plate are by being adjusted operation platform bottom plate
The lead screw tube-in-tube structure of level height connects.
2. a kind of lifting construction platform of overhead top of bridge pier operation according to claim 1, it is characterised in that: the automobile
The front-end and back-end for hanging the end steel plate of large arm are provided with bolt sleeve through end steel plate, are provided in bolt sleeve
Internal screw thread, the both ends of each bolt sleeve screw in screw rod, are provided on screw rod and match with the bolt internal thread of sleeve at screw-in
The external screw thread of conjunction.
3. a kind of lifting construction platform of overhead top of bridge pier operation according to claim 2, it is characterised in that: close to positioning
Two symmetrical body cradles are welded in the two sides of the lower end surface of the bottom plate of plate, and the lower end of body cradle is third casing, after the steel plate of end
The other end of two screw rods at end is inserted into two third casings respectively and is formed hingedly.
4. a kind of lifting construction platform of overhead top of bridge pier operation according to claim 2, it is characterised in that: bottom plate is separate
Two symmetrically arranged first sleeves are arranged in one end of positioning plate, and first sleeve runs through the bottom plate of operation platform, upper surface and bottom
Plate is concordant, is inserted into the adjustable screw with outer silk in two first sleeves respectively, and the outer diameter of adjustable screw is less than the internal diameter of first sleeve,
The adjusting sleeve that the upper end setting one of adjustable screw can drive adjustable screw only to rotate to a direction, adjusting sleeve are provided with outer
Screw thread and internal screw thread, the external screw thread for adjusting sleeve are matched with the internal screw thread of first sleeve, adjust the internal screw thread of sleeve with it is adjustable
The male thread of lead screw closes, and adjusts the gap that sleeve screws between first sleeve and adjustable screw；Screw in the two of end steel plate front end
The other end of a screw rod is inserted into respectively in the sleeve bearing of two the second lower ends, and adjustable screw screws in the second casing, can
The outer silk of lead screw is adjusted to match to form lead screw tube-in-tube structure with the tapping of the second inside pipe casing.
5. a kind of lifting construction platform of overhead top of bridge pier operation according to claim 4, it is characterised in that: the adjusting
The upper end of sleeve is provided with regulation handle.
6. a kind of lifting construction platform of overhead top of bridge pier operation according to claim 1, it is characterised in that: the construction
Platform floor includes load-carrying members and steel plate, load-carrying members production method are as follows: 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.
7. a kind of lifting construction platform of overhead top of bridge pier operation according to claim 1, it is characterised in that: the construction
Platform floor includes load-carrying members and steel plate, load-carrying members production method are as follows: 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.
8. a kind of lifting construction platform of overhead top of bridge pier operation according to claim 1, it is characterised in that: operation platform
Bottom plate on several rolling bars are set, rolling bar is parallel to positioning plate placement, and shockproof steel block is placed on rolling bar.
9. a kind of lifting construction platform of overhead top of bridge pier operation according to claim 8, it is characterised in that: flat in construction
Hook is arranged in the position at four angles on the bottom plate of platform, wirerope is bound on shockproof steel block, wirerope hangs over four angles of bottom plate
Hook on.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820748005.6U CN208328708U (en) | 2018-05-19 | 2018-05-19 | A kind of lifting construction platform of overhead top of bridge pier operation |
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| CN201820748005.6U CN208328708U (en) | 2018-05-19 | 2018-05-19 | A kind of lifting construction platform of overhead top of bridge pier operation |
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| CN208328708U true CN208328708U (en) | 2019-01-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108755419A (en) * | 2018-05-19 | 2018-11-06 | 中水电第十工程局（郑州）有限公司 | A kind of operation platform and installation method of the lifting of bridge shockproof steel block |
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2018
- 2018-05-19 CN CN201820748005.6U patent/CN208328708U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108755419A (en) * | 2018-05-19 | 2018-11-06 | 中水电第十工程局（郑州）有限公司 | A kind of operation platform and installation method of the lifting of bridge shockproof steel block |
| CN108755419B (en) * | 2018-05-19 | 2023-09-08 | 中电建十一局工程有限公司 | Construction platform for hoisting bridge shock-proof steel stop block and installation method |
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Address after: 450001 No. 59 Lianhua street, hi tech Development Zone, Henan, Zhengzhou Co-patentee after: SINOHYDRO Bureau 11 Co., Ltd. Patentee after: China Power Construction Eleventh Bureau Engineering Co., Ltd. Address before: 450001 No. 59 Lianhua street, hi tech Development Zone, Henan, Zhengzhou Co-patentee before: SINOHYDRO Bureau 11 Co., Ltd. Patentee before: China Hydropower eleventh Engineering Bureau (Zhengzhou) Co., Ltd. |