CN108487321A - A kind of rectangle vertical shaft sliding sash turning-over and vertical shaft pouring procedure - Google Patents
A kind of rectangle vertical shaft sliding sash turning-over and vertical shaft pouring procedure Download PDFInfo
- Publication number
- CN108487321A CN108487321A CN201810469090.7A CN201810469090A CN108487321A CN 108487321 A CN108487321 A CN 108487321A CN 201810469090 A CN201810469090 A CN 201810469090A CN 108487321 A CN108487321 A CN 108487321A
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- Prior art keywords
- over
- sliding sash
- litter
- vertical shaft
- turning
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000010276 construction Methods 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 34
- 239000010959 steel Substances 0.000 claims description 34
- 239000000463 material Substances 0.000 claims description 13
- 239000011435 rock Substances 0.000 claims description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 5
- 238000009415 formwork Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000019300 CLIPPERS Diseases 0.000 description 1
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/125—Manhole shafts; Other inspection or access chambers; Accessories therefor characterised by the lining of the shaft
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0007—Production methods using a mold
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The present invention relates to a kind of rectangle vertical shaft sliding sash turning-over and vertical shaft pouring procedures, the device includes lifting device and the sliding sash turning-over being connect with lifting device, lifting device drives sliding sash turning-over to move upwards, several litter, the template group on litter and the plastering platform set on rectangular support frame lower end that sliding sash turning-over includes rectangular support frame, is distributed in rectangular support frame surrounding, litter is moved along litter line, rectangular support frame supporting template group transmits concrete lateral pressure on hoisting frame, and template group leans against to be slided on litter and concrete.Rectangle vertical shaft sliding sash turning-over of the present invention is applied to hydroelectric project rectangle Shaft Concrete Construction, it is reusable, it makes simple, installation dress, which moves, to be set conveniently, construction speed is accelerated, reduces framed bent and takes and tear workload open, reduce construction cost, safety coefficient is increased, preferable economic and social benefit can be generated.
Description
Technical field
The present invention relates to a kind of frame turning-overs, and in particular to a kind of rectangle vertical shaft sliding sash turning-over further relates to vertical shaft
Pouring procedure belongs to hydraulic and hydroelectric engineering field.
Background technology
There are various functions or structural vertical shafts, such as air shaft, exhaust air shaft, lock in Construction for Hydroelectric Project
Men Jing, surge shaft, diversion vertical shaft, outlet vertical shaft etc., current most of vertical shaft concrete lining sections are circle, Circular Shaft lining
It builds and is generally poured into a mould using whole sliding formwork.Rectangle vertical shaft is generally using full hall frame and slding form operation is set up, and the Shaft Bent is compared with senior engineer
Journey amount is big, and the construction of rectangular cross section vertical shaft slide model needs to make whole templates that whole system be followed to move, between template and concrete
Frictional resistance is larger, significantly increases the lifting force of lifting system, is climbed mode using pole-climbing, pole-climbing is more, need to be wholly embedded into table
In layer concrete, pole-climbing is greatly wasted, since pole-climbing is more, unbalance stress, the stroke to climb is inconsistent, easy tos produce and inclines
Tiltedly, it deflects, concrete construction quality control difficulty is big, and rectangular cross section both direction stress in the template sliding lifting of dog-ear position
Unevenness be easy to cause concentration stress, the easily drawing crack of Surface layer's concrete stress, therefore how overcome the deficiencies in the prior art is current
The problem of hydraulic and hydroelectric engineering technical field urgent need to resolve.
Invention content
In order to solve the above-mentioned technical problem, the object of the present invention is to provide a kind of rectangle vertical shaft sliding sash turning-over and vertical shafts
Pouring procedure is used for vertical shaft concrete lining, solves rectangle vertical shaft slide model construction of concrete lining in the process since sliding formwork is inclined
Turning, tilts, right angle position stress is larger to be easy concrete drawing crack phenomenon, litter quantity more the problems such as causing waste of material,
Whole sliding-mode structure weight is reduced, while reducing the problem of slding form operation quality is difficult to control.The concrete scheme of the present invention is such as
Under：
A kind of rectangle vertical shaft sliding sash turning-over, it is characterised in that：The sliding sash being connect including lifting device and with lifting device turns over
Mold device, lifting device drive sliding sash turning-over to move upwards, and sliding sash turning-over includes rectangular support frame, is distributed in rectangle
Several litter, the template group on litter and the plastering platform set on rectangular support frame lower end of supporting rack surrounding, litter edge
Template group line moves, and concrete lateral pressure, template group and concrete surface are transmitted by rectangular support frame supporting template group on hoisting frame
It is in close contact, is supported by litter, after litter slips over template group bottom template, template is successively turned over toward top from the bottom.
Further, rectangular support top of the trellis is additionally provided with material distributing flat.
Further, rectangular support frame includes top frame, several crossbeams in top frame, connects with top frame
If several vertical beams connect and the dried layer enclosure on vertical beam, enclosure is equipped with lifting lug, and litter is connect by lifting lug with enclosure.
Further, rectangular support top of the trellis is equipped with suspender, and the suspention beam above rectangular support frame passes through anchorage
It is connect with steel strand wires with suspender, lifting device drives sliding sash turning-over to move upwards by suspention beam.
Further, plastering platform includes several hangers and the steel net plate on hanger, and hanger is set on vertical beam.
Further, if template group includes dried layer frame, every layer of frame is made of 4 pieces of template lateral arrangements, every layer of frame
Between detained and connect by " S ", litter slips over rear pattern plate from lowest point successively toward turning over.Template group is in concrete side pressure and enclosure
The lower litter of support fits closely but freely slidable, and litter slips over rear pattern plate and turned over from lowest point is successively past.
Vertical shaft pouring procedure of the present invention using above-mentioned rectangle vertical shaft sliding sash turning-over is carried out as follows：
Sliding sash turning-over is assembled by the gantry crane handling arranged on concrete rock bench beam, when concrete strength reaches 0.1-
When 0.3Mpa, lifting device drives sliding sash turning-over to start to climb, and rises to the minimum next layer of mould that litter leaves template group
After plate, stand on plastering platform according to just smear, carefully smear, essence smears and starts overmolded plastering with the sequence of press polish, on template safety rope
It turns at the top of template group to lean against and be installed on litter, concreting height is remained at apart from top opening 60cm or so, by dividing
Material device carries out uniform blanking concrete in construction and material distributing flat；After litter slips over template group bottom template, manually will
Template is successively turned over toward top from the bottom, continues next operation.
Compared with prior art, beneficial effects of the present invention are as follows：
1, compared with traditional construction method, turning-over is reusable, makes simply, and dismounting, which moves, to be set conveniently, is reduced largely
Construction framed bent take and tear workload open, and avoid the deflection of sliding formwork, tilt, accelerate construction speed, reduce construction cost, increase
Safety coefficient is added, preferable economic and social benefit can be generated.
2, by the great progress for pushing hydraulic and hydroelectric engineering rectangle vertical shaft lining construction in terms of technique, efficiency.
3, reduction framed bent, which is taken, tears open, template erection, stitches surface treatment workload, reduces the difficulty of concrete construction control, carries
High concrete presentation quality reduces cost input, can carry out reinforcing bar binding and embedded part installation in advance, improve installation accuracy and effect
Rate shortens the construction period, accelerates construction progress.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the front view of the present invention；
Fig. 3 is the side view of the present invention；
Fig. 4 is the structural schematic diagram of the rectangular support frame and litter of the present invention；
Fig. 5 is that the lifting device of the present invention drives the structural schematic diagram of suspention beam；
Wherein, 1- sliding sashes turning-over；1.1- rectangular support frame；1.2- litter；1.3- template group；1.4- plastering platforms；1.41-
Steel net plate；1.42- hanger；1.5- suspender；1.6- suspention beam；1.7- anchorage；1.8- steel strand wires；1.9- enclosure；1.10- perpendicular
Beam；1.11- top frame；1.12- material distributing flat；2, concrete rock bench beam；3, lifting device.
Specific implementation mode
With reference to embodiment, the present invention is described in further detail.
It will be understood to those of skill in the art that the following example is merely to illustrate the present invention, and it should not be regarded as limiting this hair
Bright range.In the examples where no specific technique or condition is specified, according to technology or condition described in document in the art
Or it is carried out according to product description.Reagents or instruments used without specified manufacturer is that can be obtained by buying
Conventional products.
As shown in Figure 1, the rectangle vertical shaft sliding sash turning-over of the present embodiment, including lifting device 3 and connect with lifting device
The sliding sash turning-over 1 connect, if sliding sash turning-over 1 includes rectangular support frame 1.1, is distributed in 1.1 surrounding of rectangular support frame
Dry litter 1.2, the template group 1.3 on litter 1.2 and the plastering platform 1.4 set on 1.1 lower end of rectangular support frame, litter
1.2 move along template group line, and template group is in close contact with concrete surface, are supported by litter, rectangular support frame bearing on hoisting frame
Template group transmits concrete lateral pressure, and template group leans against to be slided on litter and concrete.It is hung with shaped steel hanger is anti-hoisting frame lower part
One plastering platform 1.4 is convenient for overmolded, plastering and maintenance.
As Figure 2-3,1.1 top of rectangular support frame is additionally provided with material distributing flat 1.12.
As shown in figure 4, rectangular support frame 1.1 include top frame 1.11, several crossbeams in top frame 1.11,
If several vertical beams 1.10 being connect with top frame 1.11 and the dried layer enclosure 1.9 on vertical beam 1.10, enclosure 1.9 are equipped with
Lifting lug, litter 1.2 are connect by lifting lug with enclosure 1.9.The diameter phi 48mm welded still pipes of litter 1.2, length 2400mm, wall thickness
It is preferential to select 3.5mm, in the lifting lug of tube wall both sides welding φ 12mm.
1.1 top of rectangular support frame is equipped with suspender 1.5, and the suspention beam 1.6 above rectangular support frame 1.1 passes through anchor
Tool 1.7 and steel strand wires 1.8 are connect with suspender 1.5, and lifting device 3 drives the fortune upwards of sliding sash turning-over 1 by suspention beam 1.6
It is dynamic.Suspention beam 1.6 is spaced a distance by two double back of the body I-steel, is welded to connect with steel plate with upper and lower surface and end, and
The trepanning steel strand on the upper lower steel plate near both ends, top are placed anchorage and are fixed.
Plastering platform 1.4 includes that several hangers 1.42 and the steel net plate 1.41 on hanger 1.42, hanger 1.42 are set to
On vertical beam 1.10.Plastering platform is welded using 50 × 5mm of ∠ angle steel and steel plate, and steel plate preferentially uses δ=10mm ordinary steels
Plate, the preferred 3 × 24mm of expanded steel diamond mesh of expanded metal lath.
As shown in figure 3, template group 1.3 includes 7 layers of frame, every layer of frame is made of 4 pieces of template lateral arrangements, every layer of frame
Between detained and connect by " S ", after litter slips over, can by template from lowest point into the preformed hole of material distributing flat 1.12 successively up
It turns over.Template group 1.3 uses 55 Series P, 3015 standard form lateral arrangement, does not meet the part customization of modulus, and monolithic width is little
In 300mm.Form height uses 7 layers altogether, every layer of 300mm.
As shown in figure 5, the device of the present embodiment be used for include concrete rock bench beam 2 vertical shaft, sliding sash turning-over 1 is by carrying
It rises and up climbs on the steel strand wires that device 3 is fixed in suspention beam 1, lifting device 3 can be hydraulic lifting system, including steel strand
Conventional components or the equipment such as line, punching jack, hydraulic power unit, electric appliance control box, suspension hook.
The component of all devices assembles integral, concrete strength using 3 steel wire rope of lifting device allocation and transportation commitment positions
Reach 0.1-0.3Mpa（Hand is by there is 1mm depth marks）Start to climb, rises to litter 1.2 and leave the minimum next of template group 1.3
Layer template after, personnel station overmolded plastering platform 1.4 on start overmolded plastering, plastering step be just smear, carefully smear, essence is smeared and is pressed
Light, template are installed on litter 1.2 with turning to the top of template group 1.3 on safety rope and lean against, and concreting height remains at
Apart from top opening 60cm（Two circle form heights）, concrete discharging filled by existing rectangular cross section vertical shaft bent-arm concrete sub-material
It sets and carries out uniform blanking in construction and material distributing flat 1.12.Wherein, after litter slips over the template of lowermost layer, manually by template from
It is successively turned over toward top at the bottom, continues next operation.
The length of wellhead bore suspention beam be 4.5m, ride over the length 0.25m on rock bench beam, using 2 25b I-steel, δ=
10mm welded steel plates form, and promotion steel strand wires are worn in drilling on the steel plate, and steel strand wires are fixed by anchorage.
Anchorage 1.7 preferentially uses Ou Weimu（OWM）Anchor Cable Anchorage is matched with anchor clipper.
By double back ofs the body, [14 channel steels are welded 1.11 crossbeam of top frame, and by double back ofs the body, [12 channel steels are welded longeron, vertical beam
1.10 by double back ofs the body, [12 channel steels weld, and welding 63 × 6 angle steel of ∠ fixes enclosure 1.9, enclosure 1.9 and vertical beam 1.10 on vertical beam 1.10
It is fixed using bow card, the main body sliding sash big frame of rectangular section is bolted between each fixed structure.In frame roof
It is laid with plank and forms operation platform.Wherein, I-steel I20b, steel plate are δ=10mm, and plank is the plank that 5cm thickness is done.
The steel strand wires of hydraulic lifting system use diameter phi 15.24mm intensity for the high strength low relaxed smooth surface of 1860MPa
Steel strand wires, elasticity modulus 1.95 × 105MPa.Punching jack, hydraulic power unit, electric appliance control box preferentially select TS Series Hydraulics
Producers' finished products such as lifting system model TS15-200.Suspension hook selects producer to customize the finished product with product certificate, and loading capacity is
15t。
Feeding-distribution device is connected with the elephant trunk with descending lifeline with well head top aggregate bin.Sliding sash overmolded component passes through concrete rock
The gantry crane handling assembling arranged on platform beam 2.
During use, a small amount of temporal material, the small-sized Work tool of construction are directly deposited in flat rectangle vertical shaft sliding sash turning-over
On platform, ectonexine reinforcing bar bind in advance can advanced 10~15m, personnel up and down sliding formwork climbing for belt guard ring is installed in hoisting frame
Ladder.It checks whether hydraulic lifting system is normal before each sliding sash is sliding, the abnormal chain block for enabling backup means immediately occurs
Service hoisting.Space among overmolded plastering platform ensures construction safety using the closing of double layer security net, and in plastering platform four
The floral tube of all fixing concrete maintenances, the maintenance of water flowing at any time.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of rectangle vertical shaft sliding sash turning-over, it is characterised in that：The sliding sash being connect including lifting device and with lifting device
Turning-over, lifting device drive sliding sash turning-over to move upwards, and sliding sash turning-over includes rectangular support frame, is distributed in square
Several litter, the template group on litter and the plastering platform set on rectangular support frame lower end of shape supporting rack surrounding, litter
It is moved along template group line, concrete lateral pressure, template group and concrete is transmitted by rectangular support frame supporting template group on hoisting frame
Face is in close contact, and is supported by litter, after litter slips over template group bottom template, template is from the bottom successively toward top
It turns over.
2. rectangle vertical shaft sliding sash turning-over according to claim 1, it is characterised in that：Rectangular support top of the trellis is additionally provided with
Material distributing flat.
3. rectangle vertical shaft sliding sash turning-over according to claim 1, it is characterised in that：Rectangular support frame includes top frame
If frame, several crossbeams in top frame, several vertical beams being connect with top frame and the dried layer enclosure on vertical beam,
Enclosure is equipped with lifting lug, and litter is connect by lifting lug with enclosure.
4. rectangle vertical shaft sliding sash turning-over according to claim 1, it is characterised in that：Rectangular support top of the trellis is equipped with outstanding
Pendant, the suspention beam being set to above rectangular support frame are connect by anchorage and steel strand wires with suspender, and lifting device passes through suspention
Sill bolt moves sliding sash turning-over and moves upwards.
5. rectangle vertical shaft sliding sash turning-over according to claim 3, it is characterised in that：Platform of plastering includes several hangers
With the steel net plate on hanger, hanger is set on vertical beam.
6. rectangle vertical shaft sliding sash turning-over according to claim 1, it is characterised in that：If template group includes dried layer frame
Frame, every layer of frame are made of 4 pieces of template lateral arrangements, are detained and are connected by " S " between every layer of frame, litter slips over rear pattern plate from most
Lower is successively past to be turned over.
7. the vertical shaft pouring procedure of the rectangle vertical shaft sliding sash turning-over using one of claim 1-6, it is characterised in that：By with
Lower progress：
Sliding sash turning-over is assembled by the gantry crane handling arranged on concrete rock bench beam, when concrete strength reaches 0.1-
When 0.3Mpa, lifting device drives sliding sash turning-over to start to climb, and rises to the minimum next layer of mould that litter leaves template group
After plate, stand on plastering platform according to just smear, carefully smear, essence smears and starts overmolded plastering with the sequence of press polish, on template safety rope
It turns at the top of template group to lean against and be installed on litter, concreting height is remained at apart from top opening 60cm or so, by dividing
Material device carries out uniform blanking concrete in construction and material distributing flat；After litter slips over template group bottom template, manually will
Template is successively turned over toward top from the bottom, continues next operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810469090.7A CN108487321A (en) | 2018-05-16 | 2018-05-16 | A kind of rectangle vertical shaft sliding sash turning-over and vertical shaft pouring procedure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810469090.7A CN108487321A (en) | 2018-05-16 | 2018-05-16 | A kind of rectangle vertical shaft sliding sash turning-over and vertical shaft pouring procedure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108487321A true CN108487321A (en) | 2018-09-04 |
Family
ID=63354508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810469090.7A Pending CN108487321A (en) | 2018-05-16 | 2018-05-16 | A kind of rectangle vertical shaft sliding sash turning-over and vertical shaft pouring procedure |
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| Country | Link |
|---|---|
| CN (1) | CN108487321A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040159060A1 (en) * | 2003-02-18 | 2004-08-19 | Gci Pipe Products | Form with displaceable vibratory panel |
| CN101748799A (en) * | 2009-12-30 | 2010-06-23 | 河南四建股份有限公司 | Hydraulic lifting rollover construction method of chimney reinforced concrete shaft wall |
| CN104947931A (en) * | 2015-06-25 | 2015-09-30 | 中国水利水电第十四工程局有限公司 | Integral turnover formwork for vertical shaft |
| CN105821882A (en) * | 2016-05-19 | 2016-08-03 | 中国水利水电第十四工程局有限公司 | Crank arm type concrete feed divider for rectangular-section vertical shaft |
| CN206233576U (en) * | 2016-10-21 | 2017-06-09 | 中亿丰建设集团股份有限公司 | For the hydraulic pressure lift turnover formwork construction device of bundled-tube structure chimney |
| CN206319307U (en) * | 2016-12-19 | 2017-07-11 | 中国水利水电第十四工程局有限公司 | A kind of hydraulic pressure sliding sash turning-over |
| CN208235590U (en) * | 2018-05-16 | 2018-12-14 | 中国水利水电第十四工程局有限公司 | A kind of rectangle vertical shaft sliding sash turning-over |
-
2018
- 2018-05-16 CN CN201810469090.7A patent/CN108487321A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040159060A1 (en) * | 2003-02-18 | 2004-08-19 | Gci Pipe Products | Form with displaceable vibratory panel |
| CN101748799A (en) * | 2009-12-30 | 2010-06-23 | 河南四建股份有限公司 | Hydraulic lifting rollover construction method of chimney reinforced concrete shaft wall |
| CN104947931A (en) * | 2015-06-25 | 2015-09-30 | 中国水利水电第十四工程局有限公司 | Integral turnover formwork for vertical shaft |
| CN105821882A (en) * | 2016-05-19 | 2016-08-03 | 中国水利水电第十四工程局有限公司 | Crank arm type concrete feed divider for rectangular-section vertical shaft |
| CN206233576U (en) * | 2016-10-21 | 2017-06-09 | 中亿丰建设集团股份有限公司 | For the hydraulic pressure lift turnover formwork construction device of bundled-tube structure chimney |
| CN206319307U (en) * | 2016-12-19 | 2017-07-11 | 中国水利水电第十四工程局有限公司 | A kind of hydraulic pressure sliding sash turning-over |
| CN208235590U (en) * | 2018-05-16 | 2018-12-14 | 中国水利水电第十四工程局有限公司 | A kind of rectangle vertical shaft sliding sash turning-over |
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Application publication date: 20180904 |