CN102913248B - The overall upset hanging template of wholecircle and formwork erection, release method - Google Patents
The overall upset hanging template of wholecircle and formwork erection, release method Download PDFInfo
- Publication number
- CN102913248B CN102913248B CN201210454144.5A CN201210454144A CN102913248B CN 102913248 B CN102913248 B CN 102913248B CN 201210454144 A CN201210454144 A CN 201210454144A CN 102913248 B CN102913248 B CN 102913248B
- Authority
- CN
- China
- Prior art keywords
- bed die
- template
- wholecircle
- side form
- plane bed
- 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.)
- Active
Links
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention discloses a kind of overall upset hanging template of wholecircle and formwork erection, the release method that can carry out hanging upside down concrete construction, with the reduction of erection time, the template assembly of this template comprises the inclined-plane bed die that wholecircle side form and die face are frustum cone side, inclined-plane bed die and wholecircle side form pinned connection, the die face baseline of inclined-plane bed die and the axial line of wholecircle side form are the angle of acute angle, the suspended support using the reinforcing bar of concrete ring layer as inclined-plane bed die.During formwork erection, inclined-plane bed die is first in place, installation form scaffold, it is connected with the template hoisting device on wellhead platform, wholecircle side form is connected with pattern board supporting framework, template hoisting device action, falling pattern board supporting framework and wholecircle side form makes it engage with inclined-plane bed die contraposition and be connected, also be that inclined-plane bed die first declines and in place during the demoulding, tear open again and fall wholecircle side form, applying this template can concrete construction excavation and lining construction simultaneously operation, and equipment cost is lower, structure is reliable, easy to operate, lining cutting speed is fast.
Description
Technical field
The present invention relates to a kind of vertical shaft concrete lining molding construction equipment.
Background technology
At present, it is adopt combined steel formwork to build that the concrete conventional lining mode of power station pressure regulation vertical shaft mainly contains two kinds: one, and template is de-, formwork erection all adopts manual type, utilizes the scaffold set up to carry out formwork.But which construction workload is large, construction is long for circulation timei, and construction speed is slow.The second way adopts vertical shaft hydraulic slip-form mode to water building lining, and vertical shaft hydraulic slip-form is the comparatively ripe mode of current pressure regulation vertical shaft lining cutting.
According to shaft structure pattern and layout feature, its hydraulic slip-form system is primarily of compositions such as template system, operation platform system, hydraulic lifting system and accessory systems.Based on bottom of precoating, establish one, metal support bar at a certain distance, hollow hydraulic jack is sleeved on every root cramp bar, by bolt, the top of the base of hydraulic jack and cantilever hoisting frame is linked together, template is suspended on cantilever hoisting frame, and hoisting frame adopts surrounding volume frame construction.Template and scaffold adopt and adjust screw mandrel stretching.For the ease of construction, lay plank at the top of scaffold, to stack equipment and material, lower suspension suspension bracket platform concrete coating and watering, spray are protected.The mode of serial or parallel connection is adopted to be connected with hydraulic control system the grouping of all hydraulic jack.Like this, along with solidifying of template lower concrete, when template lower floor concrete reaches demoulding condition, operation hydraulic mechanism drives all hydraulic jack, hoisting frame, scaffold, template etc. just can be driven along cramp bar upward sliding, until the position of one deck concrete can be built.Circulation like this, until shaft top.Sliding mode design can refer to the relevant requirements in standard GB/T J113-87 " Technical code for construction using hydraulic slip formworks ", but this kind of lining cutting mode can only be built from bottom to top.
The lining cutting mode of vertical shaft hydraulic slip-form requires that excavation location geologic structure is stablized, guarantee construction safety.For the broken unstable situation of geologic structure, especially when borehole wall surrounding rock body is thin, one-tenth well condition is very poor, the excavation area of vertical shaft and the degree of depth are comparatively large, and the borehole wall may cave in, and application shaft hydraulic slip-form can not ensure construction safety.In order to ensure construct safety and construction speed, limit Wa great Jing can only be adopted, anchor pole linked network concrete is broken on limit, limit water reversal of the natural order of things concrete guard wall parallel operations construction operation method.Breast wall concrete can only be poured into a mould from top to bottom in this case, therefore can not use conventional hydraulic slipform lining.But how to carry out that reversal of the natural order of things is concrete builds, become the difficult problem needing to solve.
If reversal of the natural order of things concrete construction is according to prior art, adopt large-scale combined steel form to build, on the one hand, set up the construction workload such as scaffold, formwork large, construction is long for circulation timei, can not close the country rock of exposed fragmentation in time.And combined steel formwork builds reversal of the natural order of things concrete to large well excavating sequences construction serious interference, very large on the construction speed impact of whole engineering.
Summary of the invention
The deficiency of concrete construction duration length is carried out hanging upside down in order to overcome existing large-scale combined steel form, technical problem to be solved by this invention is to provide a kind of overall upset hanging template of wholecircle and formwork erection, the release method that can carry out hanging upside down concrete construction, thus shortens the construction period.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: the overall upset hanging template of wholecircle, comprise pattern board supporting framework, template assembly, template hoisting device, be connected to the mould plate supporting device between template assembly and pattern board supporting framework, described template assembly comprises the inclined-plane bed die that wholecircle side form and die face are frustum cone side, the die face baseline of described inclined-plane bed die and the axial line of wholecircle side form are the angle of acute angle, match with wholecircle side form in the upper end of inclined-plane bed die, lower end is positioned at the outside of wholecircle side form, suspended support using the reinforcing bar of concrete ring layer as inclined-plane bed die.
During well head excavation, well head all will build one deck wellhead platform with robust structure, and wellhead platform can be considered as the concrete ring layer of most top layer, adopts the construction of conventional combination steel form, when building wellhead platform, the template of wholecircle side form and inclined-plane bed die can be utilized shaping.This wellhead platform can be utilized to arrange the template hoisting device of upset hanging template, bed die suspended support during using reinforcing bar wherein as aforesaid upset hanging template first storehouse formwork erection, bear on bed die and bed die and build assembling reinforcement and concrete weight in storehouse, the distribution of foundation reinforcing bar and permission load determine the height of single storehouse concrete ring layer.After formwork erection, what form the first storehouse concrete ring layer between wellhead platform, wholecircle side form, inclined-plane bed die and excavation wall builds position in storehouse, the die face baseline of inclined-plane bed die and the axial line of wholecircle side form are the angle of acute angle, during from upper endfeed, can ensure to build closely knit, and the concrete overlap joint area between upper and lower ring layer increases, and is conducive to the integrally-built stability of the borehole wall.
Employing said structure can alleviate the weight that template hoisting device bears greatly, and the safety of a whole set of template system is protected, thus can realize the upset hanging template construction of building that successively glides from top to bottom.Utilize wholecircle side form and the concrete overlap joint of having built and reinforcing bar wherein to template Primary Location, then according to measurement result, accurate adjustment is carried out to template position, guarantee the accuracy of template position.Apply the overall upset hanging template of above-mentioned wholecircle, can excavate on limit, while build, efficiency of construction improves greatly.
For simplifying hanging structure, facilitate the fixing of inclined-plane bed die and template successively moved down along with the progress of building, preferably directly on described inclined-plane bed die, be provided with reinforcing bar via hole, and be configured with the bed die fixture removably connected with reinforcing bar one to one with reinforcing bar via hole, thus wholecircle side form and inclined-plane bed die can distinguish the demoulding.
Be further, described inclined-plane bed die and wholecircle side form pinned connection, inclined-plane bed die and upper wholecircle side form are respectively arranged with bearing pin and corresponding bar shaped pin hole, when inclined-plane bed die engages with wholecircle side form, on gravity direction, bearing pin does not contact with bar shaped pin hole, like this when building, wholecircle side form does not only bear concrete pressure by concrete gravity, prevents the gravity of building storehouse inner concrete to pattern board supporting framework and template hoisting device transmission.
Consider that excavation construction also carries out at the same time when concrete construction, blast operation is carried out unavoidably in digging process, the native stone splashed may hit inclined-plane bed die and cause it to be out of shape, preferred described inclined-plane bed die is made up of bed die support bracket and the little template in inclined-plane of mating formation on bed die support bracket, when the little template in inclined-plane is impaired, can change immediately, raise the efficiency.
Be further, the template of described wholecircle side form is alternately connected to form by arc large form and the splicing trapezoid template that removably connects with it, thus after a concrete ring layer is built, splicing trapezoid template can be taken off, for arc large form reserves adduction space, be convenient to the demoulding of wholecircle side form, especially when the diameter of wholecircle side form is larger, the superiority of this kind of structure is very outstanding, if the diameter of wholecircle side form is less, then can consider the mode that sides adjacent template is articulated and connected.
Preferred described arc large form is connected with pattern board supporting framework by the cantilever support beam being provided with roller hanger, roller hanger with cantilever support beam for roller track, described mould plate supporting device is arranged between pattern board supporting framework and arc large form, like this, can be connected flexible to arc large form and pattern board supporting framework, be convenient to the demoulding.
Described mould plate supporting device can adopt hydraulic jack, realizes automatic demoulding, because demoulding gap is less demanding, also can adopt dismountable support jack, and structure is simpler, and the axis of hydraulic jack, support jack should parallel with cantilever support beam.
If the forming surface of vertical shaft requires high, then vertical shaft also needs from bottom to top with sliding formwork mode construction shaft after construction concrete guard wall, concrete lining diameter changes, for ease of assembling and the transport of template of the present invention, and adjustment lining cutting diameter, save equipment investment, on preferred described pattern board supporting framework is connected with monolithic joist body, under two-layer polygonal frame be formed by connecting, monolithic joist body comprises single-layer frame body and the framework connector for being connected adjacent two panels single-layer frame body, by the dress of framework connector, the difference of diameter when tearing open to adapt to construct from top to bottom and construct from lower to upper.
Present invention also offers the formwork erection method of the overall upset hanging template of a kind of wholecircle, the overall upset hanging template of this wholecircle comprises pattern board supporting framework, template assembly, template hoisting device, be connected to the mould plate supporting device between template assembly and pattern board supporting framework, template assembly comprises the inclined-plane bed die that wholecircle side form and die face are frustum cone side, the template of wholecircle side form is alternately connected to form by arc large form and the splicing trapezoid template that removably connects with it, the die face baseline of inclined-plane bed die and the axial line of wholecircle side form are the angle of acute angle, match with wholecircle side form in the upper end of inclined-plane bed die, lower end is positioned at the outside of wholecircle side form, suspended support using the reinforcing bar of concrete ring layer as inclined-plane bed die,
Its formwork erection step is: build wellhead platform; Inclined-plane bed die is in place and fixing, and wellhead platform arranges template hoisting device; Installation form scaffold, is connected it with template hoisting device; The arc large form of wholecircle side form is connected with pattern board supporting framework; Arc large form is in place, installs splicing trapezoid template; Template hoisting device action, falls pattern board supporting framework and wholecircle side form, and wholecircle side form engages with inclined-plane bed die contraposition and is connected.
Present invention also offers the release method of the overall upset hanging template of a kind of wholecircle, the overall upset hanging template of this wholecircle comprises pattern board supporting framework, template assembly, template hoisting device, be connected to the mould plate supporting device between template assembly and pattern board supporting framework, template assembly comprises the inclined-plane bed die that wholecircle side form and die face are frustum cone side, the template of wholecircle side form is alternately connected to form by arc large form and dismountable splicing trapezoid template, the die face baseline of inclined-plane bed die and the axial line of wholecircle side form are the angle of acute angle, match with wholecircle side form in the upper end of inclined-plane bed die, lower end is positioned at the outside of wholecircle side form, suspended support using the reinforcing bar of concrete ring layer as inclined-plane bed die,
Its demoulding step is: the connection of removing wholecircle side form and inclined-plane bed die, and bed die decline in inclined-plane is also in place; Take off splicing trapezoid template, the demoulding of arc large form adduction; Template hoisting device action, falls pattern board supporting framework and wholecircle side form, and wholecircle side form engages with inclined-plane bed die contraposition and is connected.
The invention has the beneficial effects as follows: solve concrete construction excavation and lining construction operation simultaneously, avoid reversal of the natural order of things concrete construction to the direct interference of large well excavation construction; Equipment cost is lower, structure is reliable, automaticity is higher, easy to operate, lining cutting speed is fast; The condition of labor improving workman, the labour intensity reducing workman, improve operating efficiency.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of existing vertical shaft hydraulic slip-form.
Fig. 2 is the schematic diagram of the overall upset hanging template of wholecircle of the present invention.
Fig. 3 is the schematic diagram A of the Fig. 2 (to) of pattern board supporting framework in the present invention.
Fig. 4 is the front view of the single-layer frame body in the present invention.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the top view of Fig. 4.
Fig. 7 is the front view of the framework connector in the present invention.
Fig. 8 is the left view of Fig. 7.
Fig. 9 is the top view of Fig. 7.
Figure 10 is the composition of template hoisting device in the present invention and arranges schematic diagram.
Figure 11 is the partial schematic diagram of wholecircle side form in the present invention.
Figure 12 is the partial schematic diagram that in the present invention, wholecircle side form is connected with pattern board supporting framework.
Figure 13 is the partial schematic diagram of bed die suspended support in inclined-plane in the present invention.
Figure 14 is the partial schematic diagram that in the present invention, wholecircle side form is connected with inclined-plane bed die.
The schematic diagram of splicing trapezoid template is taken off when Figure 15 is the demoulding in the present invention.
Figure 16 is the schematic diagram of arc large form adduction in the present invention.
Be labeled as in figure, 1-pole-climbing, 2-hollow hydraulic jack, 3-support frame, 4-template system, 5-support jack, 6-walks on stage hanger, 7-template hoisting device, 8-wholecircle side form, 9-inclined-plane bed die, 10-pattern board supporting framework, 11-working platform, 12-excavates wall, 13-wellhead platform, 14-concrete ring layer, 15-reinforcing bar, 16-bed die fixture, 18-bar shaped pin hole, 19-bearing pin, 20-cantilever support beam, 21-roller hanger, 22-support jack, 23-hoist engine, 80-axial line, 81-arc large form, 82-splices trapezoid template, 90-die face baseline, 91-reinforcing bar via hole, 92 bed die support brackets, the 93 little templates in inclined-plane, 100-polygonal frame, 101-single-layer frame body, 102-framework connector.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 1, existing vertical shaft hydraulic slip-form is primarily of compositions such as template system, operation platform system, hydraulic lifting system and accessory systems.Based on bottom of precoating, establish pole-climbing 1 one at a certain distance, hollow hydraulic jack 2 is sleeved in every root pole-climbing 1, by bolt, the top of the base of hollow hydraulic jack 2 and cantilever hoisting frame is linked together, template is suspended on cantilever hoisting frame and forms template system 4, and cantilever hoisting frame adopts annular space frame construction.Template and support frame 3 adopt and adjust screw mandrel stretching.
For the ease of construction, lay plank at the top of support frame 3, to stack equipment and material, lower suspension is walked on stage hanger 6, is convenient to concrete coating and watering, spray protects operation.All hollow hydraulic jack 2 are divided into groups adopt the mode of serial or parallel connection to be connected with hydraulic control system.Like this, along with solidifying of template lower concrete, when template lower floor concrete reaches demoulding condition, operation hydraulic mechanism drives all hollow hydraulic jack 2, hoisting frame, support frame 3, template system 4 etc. just can be driven along pole-climbing 1 upward sliding, until the position of one deck concrete can be built.Circulation like this, until shaft top.Visible, as retaining wall of constructing with existing vertical shaft slide model, cannot solve that concreting is closely knit, template and bed die be built the problem of assembling reinforcement and concrete load-bearing in storehouse, Template Location, the template demoulding, apply existing hydraulic slip-form technology and can only realize building from bottom to top.
As shown in Fig. 2 ~ Figure 16, the overall upset hanging template of wholecircle of the present invention comprises pattern board supporting framework 10, template assembly, template hoisting device 7, be connected to the mould plate supporting device between template assembly and pattern board supporting framework 10, described template assembly comprises wholecircle side form 8 and inclined-plane bed die 9, the die face baseline 90 of inclined-plane bed die 9 and the angle of axial line 80 in acute angle of wholecircle side form 8, match with wholecircle side form 8 in the upper end of inclined-plane bed die 9, lower end is positioned at the outside of wholecircle side form 8, inclined-plane bed die 9 is made up of bed die support bracket 92 and the little template 93 in inclined-plane of mating formation on bed die support bracket 92, inclined-plane bed die 9 is provided with reinforcing bar via hole 91, and be configured with reinforcing bar via hole 91 one to one, the bed die fixture 16 removably connected with reinforcing bar 15, bed die fixture 16 needs when designing to consider that the structure with inclined-plane bed die 9 is suitable, preferably adopts so that the reinforcing bar clip of dismounting coordinates the wedge having and mate with the gradient of inclined-plane bed die 9 as bed die fixture 16.The template of wholecircle side form 8 is alternately connected to form with splicing trapezoid template 82 by the arc large form 81 that quantity is identical, arc large form 81 is connected with pattern board supporting framework 10 by the cantilever support beam 20 being provided with roller hanger 21, roller hanger 21 with cantilever support beam 20 for roller track, described mould plate supporting device adopts the support jack 22 be arranged between pattern board supporting framework 10 and arc large form 81, and the axis of support jack 22 parallels with cantilever support beam 20; Inclined-plane bed die 9 and wholecircle side form 8 pinned connection, inclined-plane bed die 9 and wholecircle side form 8 are respectively arranged with bearing pin 19 and corresponding bar shaped pin hole 18, and when inclined-plane bed die 9 engages with wholecircle side form 8, on gravity direction, bearing pin 19 does not contact with bar shaped pin hole 18;
Its formwork erection step is: build the wellhead platform 13 as the superiors' concrete ring layer; Using the reinforcing bar of wellhead platform 13 and following concrete ring layer 14 as the suspended support of inclined-plane bed die 9, inclined-plane bed die 9 is in place and fix with bed die fixture 16, and wellhead platform 13 is arranged template hoisting device 7; Installation form scaffold 10, is connected it with template hoisting device 7; Pattern board supporting framework 10 is installed arc large form 81; Support jack 22 ejects, and arc large form 81 is in place, installs splicing trapezoid template 82; Template hoisting device 7 action, falls pattern board supporting framework 10 and wholecircle side form 8, and wholecircle side form 8 engages with inclined-plane bed die 9 contraposition and is connected;
Its demoulding step is: take off bed die fixture 16 and be again fixed on reinforcing bar 15; Remove the connection of wholecircle side form 8 and inclined-plane bed die 9, the position corresponding to lower-layer concrete ring layer 14 is down to by inclined-plane bed die 9 by utilization deadweight; Take off splicing trapezoid template 82, shrink support jack 22, the demoulding of arc large form 81 adduction; Template hoisting device 7 action, falls pattern board supporting framework 10 and wholecircle side form 8, and wholecircle side form 8 engages with inclined-plane bed die 9 contraposition and is connected.
Construct compared with upset hanging concrete with existing combined steel formwork, adopt the advantage of the overall upset hanging template of wholecircle of the present invention to be: not interfere with each other with excavation construction, safe and reliable, formwork erection, be convenient in demoulding, efficiency is high.
Embodiment:
Certain power station surge shaft for opening wide cylinder differential type, cutting depth 118m, digging diameter 31m; Permanent structure concrete thickness 2m, after lining cutting, large well diameter 27m, mine shaft depth 108m, be arranged in the middle part of thin ridge, both sides landform is precipitous, top is about 60m and is placed in the loose breaking surrounding rock of strong off-load V class, and country rock lacks self-stable ability, and excavation upper back borehole wall surrounding rock body is thin, one-tenth well condition is very poor.Under the geological conditions of such extreme difference, build the dark surge shaft of big cross section open type, the stability of large well Sidewall Surrounding Rock is the key of safe construction.In order to ensure safety and the construction speed of construction, well digs in process and have employed limit Wa great Jing, anchor pole linked network concrete is broken on limit, the concrete parallel operations construction operation method of reversal of the natural order of things is watered on limit, and apply the overall upset hanging template of wholecircle of the present invention and formwork erection, release method, carry out reversal of the natural order of things concrete construction, from top to bottom the safe retaining wall of construction diameter 29.4m.After this, then by the permanent wall of vertical shaft slide model mode construction diameter 27m from lower to upper.
As shown in Fig. 2 ~ Figure 16, the upset hanging template system of this ultra-large type pressure regulation vertical shaft mainly comprises with lower part.
A, lifting device of jenny
As shown in Figure 10, the lifting of upset hanging template is controlled by nine 3t low speed winch 23 by being evenly arranged on wellhead platform 13.Template gross weight is about 100t, comprises workman on working platform, stacks the weight of reinforcing bar and Work tool.Template rising or falling speed is 4m/min.
Consider that ultra-large type wholecircle vertical shaft diameter is large, in design, select nine hoist engine 23 complete cycles uniform.The unit crane capacity of nine hoist engines 23 is 3t, and every platform adopts two groups of movable pulley, and promoting multiplying power is 4.Outermost layer wire rope lifting speed is not more than 16m/min, considers that wellhead platform 13 exists certain gradient, and wherein four lifting altitudes are 70m, and other five lifting altitudes are 60m.Take two stage shut, manual security locks.Electrical system achieves nine hoist engines 23 can synchronous working, can operate separately again, and every platform hoist engine motor is all heavy load starting, and starting current is large, high to power requirement.
B, polygonal frame
As shown in Fig. 2 ~ Fig. 9, polygonal frame is made up of two-layer up and down, and by Bolt Connection, every layer is made up of 18 single-layer frame bodies 101, and as lining cutting Ф 29.4m, ten octagonal chord length differential sections are supplied by corresponding framework connected body 102.Layer and layer, connect into entirety by Bolt Connection between block and block.
Single-layer frame body 101 is by the space truss body of section bar assembly welding.So both ensure that the strength and stiffness of joist body, be also convenient to transport and install.Framework connector 102 is also by the space truss body of section bar assembly welding, and this part is installed between two single-layer frame bodies 101.Be mainly used in, when lining cutting Ф 29.4m, supplying the chord length differential section of 18 limit shapes.
C, wholecircle side form
Wholecircle side form is combined by two-layer 36 pieces of arc large forms 81,36 pieces of assembled trapezoid templates 82, has circular liner face.Entirety is connected into by bolt between each single-chip template.Form assembly mode as shown in figure 11.
Every sheet arc large form 81 has the working window of 500 × 400mm of the arrangement in isosceles triangle, so that vibrator puts in storage with constructor to the observation of concrete position in storehouse; All be provided with feed chute at the top of 18 the arc large forms 81 in top, its charging aperture can be closed with helical screw.
As shown in figure 12,36 cantilever support beams 20 are connected with the single-layer frame body 101 on 18 tops.Arc large form 81 is arranged on cantilever support beam 20 by the roller hanger 21 on it, is conducted oneself with dignity and is delivered on pattern board supporting framework 10.Large form is tightened to the side of polygonal frame by support jack 22, is delivered on framework by lateral pressure during concreting, is finally born vertical load and the horizontal loading of wholecircle side form 8 by described framework.
D, inclined-plane bed die
As shown in figure 13, inclined-plane bed die 9 fixedly utilize existing inside and outside two-layer embedded bar 15, each circulation overlaps steel bar stress 15.Bed die width 0.8m, Concrete Design lining cutting is highly 3m, then whole circle concrete gravity is about 570t.Because the spacing of inclined-plane bed die 9 inside and outside layers of vertical reinforcement is too little, often the demoulding of circulation bed die is inconvenient again, and bed die also will bear weight concrete, little for inclined-plane template 93 is placed on bed die support bracket 92 for this reason.Inclined-plane bed die 9 is combined by the little template 93 in inclined-plane of 18 inclined-plane bed die support bracket 92 and 270 block specifications 1126 × 377 × 358mm, has truncated cone-shaped lining.
Because a considerable amount of structure reinforcing bars will move needs in place through inclined-plane bed die 9 and the demoulding, whole bed die divides 18 parts, every partial weight-bearing support bears weight concrete by ten stress points, every part outer ring has 43 reinforcing bars to wear mould, sum totally seven hundred seven ten four, its spacing is 125.16mm; Every part inner ring has 20 six roots of sensation reinforcing bars to wear mould, 18 parts totally four hundred six ten eight, spacing 199mm.Whole inside and outside two-layer circumference totally one hundred eight ten steel bar stresses 15, totally one hundred eight ten stress points, every root steel bar stress 15 load-bearing 3.2t.
The little template 93 in inclined-plane is pressed reinforcing bar physical location boring Ф 40mm, and reinforcing bar 15 specification is Ф 20mm, considers that the alignment error on the every limit of reinforcing bar is 10mm, little for inclined-plane template 93 is sleeved on reinforcing bar 15.During the demoulding, be first fixed on reinforcing bar 15 bottom with bed die fixture 16, the little template 93 in inclined-plane and bed die support bracket 92 move down along reinforcing bar 15 under the load of guide chain.
As shown in figure 14, inclined-plane bed die 9 adopts pinned connection with the bottom of wholecircle side form 8.For ensureing that the vertical force that concrete gravity causes is unlikely to be delivered on polygonal frame, pin shaft hole bottom circumference is processed into the form of bar shape trench hole especially, inclined-plane bed die 9 is provided with bearing pin 19, wholecircle side form 8 is provided with corresponding bar shaped pin hole 18, when inclined-plane bed die 9 engages with wholecircle side form 8, on gravity direction, bearing pin 19 does not contact with bar shaped pin hole 18, turn over 9 lifting hoist engines at top to prevent the concrete gravity of hundreds of ton from drawing, thus play the effect of off-load.
E, support jack
Whole template is provided with three circle spiral support jack 22 vertically.Its objective is in order to by shuttering supporting on polygonal frame, adjustment template installation accuracy.A whole set of template has 108 support jacks 22.
F, working platform
As shown in Figure 2, working platform 11 points of upper and lower two large divisions.Top is strengthened platform by polygonal frame plane and hexagon and is formed, and its function is to provide the stacking place of operative's platform and reinforcing bar, Work tool; To walk on stage and suspension platform below framework forms by being positioned at the People's Bank of China of side in the middle part of polygonal frame in bottom, it act as the operating platform of workman's demoulding and assembling reinforcement.The plank of platform about 30mm is set up and is formed.
As shown in Fig. 2 ~ Figure 16, during upset hanging template construction, first little for bottom bevel template 93 and bed die support bracket 92 are moved down into and build position in storehouse bed die fixture 16 and fix, carry out reinforcing bar binding, then fall wholecircle side form 8 to contact to inclined-plane bed die 9, utilize support jack 22 to be put in place on arc large form 81 top, assembled splicing trapezoid template 82, by measurement, the planeness of pattern board supporting framework 10 and template position are checked after template puts in place, build after accurate adjustment puts in place.
After concrete ring layer 14 initial set, carry out the demoulding.
First hang bed die support bracket 92 with two jacks, untie bed die support bracket 92 and the connection of wholecircle side form 8, remove bed die fixture 16, bed die support bracket 92 jack is transferred to next position in storehouse elevation.
After utilizing the working platform of template lower suspension that reinforcing bar binding is good, first take off splicing trapezoid template 82, then support jack 22 is shunk, by arc large form 81 toward interior passing 5 ~ 10cm, check that each position and hole wall are without after wiping and hanging, and start the hoist engine being arranged on wellhead platform 13 and pattern board supporting framework 10 and template system entirety are moved down, until the base of wholecircle side form 8 contacts with inclined-plane bed die 9 in place, assembled splicing trapezoid template 82, forms the concreting position in storehouse closed.
So go round and begin again, until reversal of the natural order of things concrete construction completes.
Claims (7)
1. the overall upset hanging template of wholecircle, comprise pattern board supporting framework (10), template assembly, template hoisting device (7), be connected in the mould plate supporting device between template assembly and pattern board supporting framework (10), it is characterized in that: described template assembly comprises the inclined-plane bed die (9) that wholecircle side form (8) and die face are frustum cone side, the die face baseline (90) on described inclined-plane bed die (9) and axial line (80) angle in acute angle of wholecircle side form (8), match with wholecircle side form (8) in the upper end of inclined-plane bed die (9), the lower end of inclined-plane bed die (9) is positioned at the outside of wholecircle side form (8), using the reinforcing bar of concrete ring layer (14) (15) as the suspended support of inclined-plane bed die (9), described inclined-plane bed die (9) and wholecircle side form (8) pinned connection, inclined-plane bed die (9) and wholecircle side form (8) are respectively arranged with bearing pin (19) and corresponding bar shaped pin hole (18), when inclined-plane bed die (9) engages with wholecircle side form (8), on gravity direction, bearing pin (19) and bar shaped pin hole (18) have gap, the template of described wholecircle side form (8) is alternately connected into by arc large form (81) and the splicing trapezoid template (82) that removably connects with it, described arc large form (81) is connected with pattern board supporting framework (10) by the cantilever support beam (20) being provided with roller hanger (21), roller hanger (21) is with cantilever support beam (20) for roller track, and described mould plate supporting device is arranged between pattern board supporting framework (10) and arc large form (81).
2. the overall upset hanging template of wholecircle as claimed in claim 1, it is characterized in that: described inclined-plane bed die (9) is provided with reinforcing bar via hole (91), and be configured with the bed die fixture (16) removably connected with reinforcing bar (15) one to one with reinforcing bar via hole (91).
3. the overall upset hanging template of wholecircle as claimed in claim 1, is characterized in that: described inclined-plane bed die (9) is made up of bed die support bracket (92) and the little template in the inclined-plane (93) of mating formation on bed die support bracket (92).
4. upset hanging template as overall in the wholecircle in claims 1 to 3 as described in any one claim, it is characterized in that: described mould plate supporting device adopts hydraulic jack or dismountable support jack (22), and the axis of hydraulic jack, support jack (22) parallels with cantilever support beam (20).
5. upset hanging template as overall in the wholecircle in claims 1 to 3 as described in any one claim, it is characterized in that: the two-layer polygonal frame (100) that described pattern board supporting framework (10) is connected upper and lower with monolithic joist body is formed, monolithic truss comprises single-layer frame body (101) and the framework connector (102) for being connected adjacent two panels single-layer frame body (101).
6. the formwork erection method of the overall upset hanging template of wholecircle, is characterized in that:
The overall upset hanging template of wholecircle comprises pattern board supporting framework (10), template assembly, template hoisting device, be connected to the mould plate supporting device between template summation pattern board supporting framework (10), template assembly comprises the inclined-plane bed die (9) that wholecircle side form (8) and die face are round platform side, the template of wholecircle side form (8) is alternately connected to form by arc large form (81) and the splicing trapezoidal plate (82) that removably connects with it, the die face baseline (90) of inclined-plane bed die (9) and axial line (80) angle in acute angle of wholecircle side form (8), match with wholecircle side form (8) in the upper end of inclined-plane bed die (9), the lower end of inclined-plane bed die (9) is positioned at the outside of wholecircle side form (8), using the reinforcing bar of concrete ring layer (14) (15) as the suspended support of inclined-plane bed die (9), described inclined-plane bed die (9) and wholecircle side form (8) pinned connection, inclined-plane bed die (9) and wholecircle side form (8) are respectively arranged with bearing pin (19) and corresponding bar shaped pin hole (18), when inclined-plane bed die (9) engages with wholecircle side form (8), on gravity direction, bearing pin (19) and bar shaped pin hole (18) have gap, described arc large form (81) is connected with pattern board supporting framework (10) by the cantilever support beam (20) being provided with roller hanger (21), roller hanger (21) is with cantilever support beam (20) for roller track, and described mould plate supporting device is arranged between pattern board supporting framework (10) and arc large form (81),
Its formwork erection step is: build wellhead platform (13); Inclined-plane bed die (9) is in place and fixing, and wellhead platform (13) is arranged template hoisting device (7); Installation form scaffold (10), is connected it with template hoisting device (7); The arc large form (81) of wholecircle side form (8) is connected with pattern board supporting framework (10); Arc large form (81) is in place, installs splicing trapezoid template (82); Template hoisting device (7) action, fall pattern board supporting framework (10) and wholecircle side form (8), wholecircle side form (8) engages with inclined-plane bed die (9) contraposition and is connected.
7. the release method of the overall upset hanging template of wholecircle, is characterized in that:
The overall upset hanging template of wholecircle comprises pattern board supporting framework (10), template assembly, template hoisting device, be connected to the mould plate supporting device between template assembly and pattern board supporting framework (10), template assembly comprises the inclined-plane bed die (9) that wholecircle side form (8) and die face are frustum cone side, the template of wholecircle side form (8) is alternately connected to form by arc large form (81) and the splicing trapezoid template (82) that removably connects with it, the die face baseline (90) of inclined-plane bed die (9) and axial line (80) angle in acute angle of wholecircle side form (8), match with wholecircle side form (8) in the upper end of inclined-plane bed die (9), the lower end of inclined-plane bed die (9) is positioned at the outside of wholecircle side form (8), using the reinforcing bar of concrete ring layer (14) (15) as the suspended support of inclined-plane bed die (9), described inclined-plane bed die (9) and wholecircle side form (8) pinned connection, inclined-plane bed die (9) and wholecircle side form (8) are respectively arranged with bearing pin (19) and corresponding bar shaped pin hole (18), when inclined-plane bed die (9) engages with wholecircle side form (8), on gravity direction, bearing pin (19) and bar shaped pin hole (18) have gap, described arc large form (81) is connected with pattern board supporting framework (10) by the cantilever support beam (20) being provided with roller hanger (21), roller hanger (21) is with cantilever support beam (20) for roller track, and described mould plate supporting device is arranged between pattern board supporting framework (10) and arc large form (81),
Its demoulding step is: the connection of removing wholecircle side form (8) and inclined-plane bed die (9), and inclined-plane bed die (9) declines also in place; Take off splicing trapezoid template (82), arc large form (81) the adduction demoulding; Template hoisting device (7) action, fall pattern board supporting framework (10) and wholecircle side form (8), wholecircle side form (8) engages with inclined-plane bed die (9) contraposition and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210454144.5A CN102913248B (en) | 2012-11-13 | 2012-11-13 | The overall upset hanging template of wholecircle and formwork erection, release method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210454144.5A CN102913248B (en) | 2012-11-13 | 2012-11-13 | The overall upset hanging template of wholecircle and formwork erection, release method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102913248A CN102913248A (en) | 2013-02-06 |
| CN102913248B true CN102913248B (en) | 2015-12-02 |
Family
ID=47611791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210454144.5A Active CN102913248B (en) | 2012-11-13 | 2012-11-13 | The overall upset hanging template of wholecircle and formwork erection, release method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102913248B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103882840B (en) * | 2014-03-05 | 2015-09-02 | 葛洲坝集团第五工程有限公司 | A kind of surge shaft Cast-in-place concrete assembling falsework and mounting method thereof |
| CN105863645A (en) * | 2016-05-17 | 2016-08-17 | 中国水利水电第五工程局有限公司 | Large shaft formwork climbing system |
| CN108532773B (en) * | 2018-07-06 | 2023-08-15 | 中国人民解放军63926部队 | Device (integral type) suitable for high-precision pre-embedding of vertical shaft bar-shaped keels and positioning method |
| CN109404013B (en) * | 2018-11-26 | 2024-03-29 | 四川蓝海智能装备制造有限公司 | Side mould mechanism for concrete mould spraying |
| CN109403354B (en) * | 2018-11-27 | 2021-02-09 | 宝武集团鄂城钢铁有限公司 | Construction method for deep foundation pit support of inverted retaining wall of cyclone well |
| CN110617066B (en) * | 2019-08-30 | 2021-06-25 | 上海市基础工程集团有限公司 | Reinforcing and demolding device for large-diameter vertical shaft template |
| CN110453689A (en) * | 2019-09-03 | 2019-11-15 | 中国建筑一局(集团)有限公司 | A kind of physa hole inwall template construction system and construction method |
| CN114526078B (en) * | 2022-04-25 | 2022-08-02 | 北京市第三建筑工程有限公司 | Assembly line type shaft inner wall pouring method |
| CN115354844B (en) * | 2022-09-19 | 2024-02-09 | 上海建工集团股份有限公司 | Integral sliding-down type steel platform system for round deep foundation pit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305076A (en) * | 2011-08-11 | 2012-01-04 | 中十冶集团有限公司 | Hydraulic step type vertical shaft template supporting device |
| CN202300407U (en) * | 2011-09-09 | 2012-07-04 | 中国水利水电第十工程局有限公司 | Lifting platform for construction operation over shaft wall of vertical shaft |
| CN202926332U (en) * | 2012-11-13 | 2013-05-08 | 广汉金达隧道机械有限公司 | Whole-circle integral upside down hanging formwork |
-
2012
- 2012-11-13 CN CN201210454144.5A patent/CN102913248B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305076A (en) * | 2011-08-11 | 2012-01-04 | 中十冶集团有限公司 | Hydraulic step type vertical shaft template supporting device |
| CN202300407U (en) * | 2011-09-09 | 2012-07-04 | 中国水利水电第十工程局有限公司 | Lifting platform for construction operation over shaft wall of vertical shaft |
| CN202926332U (en) * | 2012-11-13 | 2013-05-08 | 广汉金达隧道机械有限公司 | Whole-circle integral upside down hanging formwork |
Non-Patent Citations (1)
| Title |
|---|
| 超大型全圆整体倒悬挂模板在福堂水电站调压井工程中的应用;杨党荣等;《四川水力发电》;20040630;第23卷(第2期);第82-86页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102913248A (en) | 2013-02-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102913248B (en) | The overall upset hanging template of wholecircle and formwork erection, release method | |
| CN104695337B (en) | Self-lifting sliding and turnover construction system and construction method | |
| CN201148730Y (en) | Super large diameter cylindrical silo hydraulic slip mold construction operating platform | |
| CN203188121U (en) | Cast-in-place bridge floor suspending mold of half-through or through arch bridge | |
| CN102877637B (en) | Method for implementing operating platform in bottom wall construction of cantilever beam | |
| CN201411900Y (en) | Hydraulic die lifter for chimneys | |
| CN201367728Y (en) | Derrick-less hydraulic slip form device used for reinforced concrete water tower supporting tube construction | |
| CN110685433A (en) | Chimney construction device and construction method applying hydraulic lifting and rollover technology | |
| CN105692470A (en) | Internal climbing tower crane and operating method thereof | |
| CN101566005B (en) | Chimney hydraulic mould lifting device | |
| CN211286601U (en) | Chimney construction device applying hydraulic lifting and rollover technology | |
| CN102910532B (en) | Method for butting and hoisting large box type derricks in air | |
| CN202926332U (en) | Whole-circle integral upside down hanging formwork | |
| CN202926333U (en) | Hanging system of whole-circle integral upside down hanging formwork | |
| CN1078016A (en) | All supporting type well rigs of vertical borehole wall ring and job practices thereof | |
| CN107288640B (en) | A kind of nothing is surely restricted self-supporting modularization vertical shaft driving and masonry construction device | |
| CN202689496U (en) | Moving platform for steel pipe concrete post concrete casing | |
| CN108331429A (en) | A kind of tubulose highrise steel structure installation method | |
| CN107575018A (en) | A kind of special-shaped chimney hydraulic mould lifting device | |
| CN203755173U (en) | Formwork device used for hydraulic climbing of bridge high pier | |
| CN205591926U (en) | Do not have self -supporting modularization shaft of surely restricting and dig step construction equipment | |
| CN211341606U (en) | Operating platform for structural light well part | |
| CN210763974U (en) | Be suitable for reverse construction method to get soil mouthful and pass suspension type electric hoist for material | |
| CN206800201U (en) | The compound Hanging basket on front support of single cable plane | |
| CN204754164U (en) | Elevartor shaft construction derrick |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |