CN103835497A - Bolt opposite-pulling type track sliding formwork - Google Patents
Bolt opposite-pulling type track sliding formwork Download PDFInfo
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- CN103835497A CN103835497A CN201410013229.9A CN201410013229A CN103835497A CN 103835497 A CN103835497 A CN 103835497A CN 201410013229 A CN201410013229 A CN 201410013229A CN 103835497 A CN103835497 A CN 103835497A
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Abstract
The invention discloses a bolt opposite-pulling type track sliding formwork. Tracks are erected on the two side surfaces of a wall in advance before slip forming, and the tracks on the two sides of the wall are connected together through a bolt penetrating through the wall. After concrete pouring, the tracks can be fixed to the surface of a building. Sliding formwork bodies are spliced between the tracks, and pulleys are installed on a framework supporting the sliding formwork bodies and are connected with the tracks. The whole sliding formwork climbs upwards along the tracks through the power supplied by lifting devices installed on the tracks. The construction method cannot affect the steel bar working procedure construction, a climbing rod cannot be wasted, slip forming equipment is firm in structure and easy and convenient to maintain, engineering construction cost is reduced, and engineering quality is greatly improved.
Description
Technical field
The setting of the slipform that the invention belongs to continuance lifting and contact with the concrete watering in lifting process and lifting means used.
Background technology
Slip Form Construction Technique is modern comparatively advanced a kind of Civil Engineering Construction technology, especially unanimously or in the construction work in gradual change cross section demonstrates infinite glamour at chimney, underground hoistway, silo, Bridge Piers bridge tower uniform section.Adopt slding form operation can complete the building height of 3 to 4 meters in one day 24 hours, construction speed is considerable.And slding form operation does not need to set up support bracket, do not need template in enormous quantities yet, give full play to technical advantage, significantly reduce building operations cost.So Slip Form Construction Technique has very large development potentiality.
Also there is very large defect in the Slip Form Construction Technique adopting at present.The lifting bracket of such as template be ' riding ' at superstructures such as bodies of wall, taken a large amount of working spaces, cause reinforcing bar binding very difficult.The pole-climbing that slding form operation adopts is embedded in concrete the inside, is not easy to take out to reuse.The rigidity of lifting bracket is limited, and in longer architecture construction, the easy swollen mould of template end opening, causes building surface out-of-flatness.Template assembling is also very complicated, needs a large amount of truss reinforcement templates, not only wastes material, has also increased the weight of template self.All lifting brackets will be assembled before sliding formwork, remove again maintenance, and common lifting bracket easily damaged after sliding formwork, and the number of times that turnover is used is few, and this has increased cost of construction undoubtedly.
Adopt bolt to pull-type track sliding shuttering construction, can overcome the defect of lifting bracket sliding formwork completely.It is very little that bolt takies more than working platform space to pull-type track sliding moving platen, and reinforcing bar operation is constructed without any impact.Not only quantity is few for its needed instrument of constructing, and simply firm, and not fragile, maintenance is very convenient.The structure facility of whole sliding shuttering is very light and handy and firm, so bolt has clear superiority to pull-type track sliding moving platen compared with common lifting bracket sliding formwork.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of equipment and construction technology of sliding shuttering, utilizes this equipment and technology to make up the defect of lifting bracket sliding formwork, workmanship is guaranteed, and further reduces engineering cost.
In order to solve the problems of the technologies described above, the technical scheme that the present invention takes is: before sliding formwork, first in body of wall both side surface, erect track, the track utilization of body of wall both sides links together through the bolt of body of wall.After concreting, track will be fixed on building surface.Assembled sliding shuttering between each track, remains the state of relative sliding between sliding shuttering and track.On the skeleton that supports sliding shuttering, pulley being installed is connected with track.The power that whole sliding formwork is provided by the lifter of installing is in orbit upwards soaring along track.
If body of wall is reinforced concrete structure, can be until reinforcing bar binding after certain altitude, attachment rail on wall steel bar.The bolt of joining rails can be welded on above reinforcing bar, and after template sliding lifting, the track that downside exposes can be removed in hanging scaffolding, is delivered on working platform and is reused by the preformed hole on working platform.
Bolt is made up of anti-skidding self-locking device and hydraulic jack two parts the lifter of pull-type track sliding moving platen, anti-skidding self-locking device adopts wedge self-lock mechanism to make, hydraulic jack adopts automatic oil return jack, and the lifter on all tracks provides oil hydraulic power by oil pressure console.
If building cross section is continually varying, circumferential contracture device can be installed on the slip skeleton between each track, sliding shuttering adopts traveling formwork assembling, by regulating contracture device, can realize variable cross-section building engineering construction.
Bolt provided by the invention has the following advantages to pull-type track sliding moving platen:
Bolt is more extensive to pull-type track sliding moving platen application, comprises that straight wall type building, various gradation types cross section building, vertical hoistway, ramp type retaining wall and the dykes and dams of various shapes can utilize bolt to construct to pull-type track sliding moving platen.
Bolt does not need pole-climbing to pull-type track sliding shuttering construction, and track can be reused.If the bolt of joining rails is welded on above structure reinforcing bars,, after template sliding lifting, the rail that downside exposes can directly fall on scaffold to remove, and then by the reserved opening on working platform, rail is delivered on working platform and is reused.And rail is bolted on board wall, removes and install all very convenient.
The assembling of template and slip skeleton is simple and convenient, by pulley by fixing slip skeleton in orbit, make whole sliding shuttering not only succinctly but also firm.
The template of body of wall both sides can be slided separately, has so greatly strengthened applicability and the flexibility of template.More be conducive to variable cross-section building engineering construction, particularly straight line ramp type variable cross-section construction, is also beneficial to the construction that flooring and wall cornice within the walls outward.
Bolt, is constructed without any impact on reinforcing bar operation at well later just attachment rail of reinforcing bar binding to pull-type track sliding moving platen, and this has not only saved manpower, and can also guarantee workmanship.
Bolt is simple in structure to the lifting means of pull-type track sliding moving platen, maintains and safeguards very conveniently, and track is very solid, not fragile, and turnover access times are many.
Accompanying drawing explanation
Fig. 1 is that bolt is to pull-type track sliding moving platen assembling schematic diagram, wherein (1) is rail, (2) be lifter, (3) be pulley, (4) be working platform, (5) are templates, and (6) are to hang pin hand support, (7) be slip skeleton, (8) are bolts;
Fig. 2 is track structure figure;
Fig. 3 is the assembling drawing of hydraulic jack, and wherein (11) are the self-locking devices that climbs, and (12) are hydraulic jack;
Fig. 4 is anti-skidding self-locking device structure chart, and wherein (21) are profile of tooth steel plates, and (22) are bolts hole, and (23) are anti-slip springs;
Fig. 5 is the structure chart of hydraulic jack, and wherein (31) are shells, and (32) are pistons, and (33) are return springs, and (34) are oil-leakage-prevention rubber rings;
Fig. 6 is the structure chart of pulley, and wherein (41) are wheels in track, and (42) are track foreign steamers, and (43) are pulley main shafts;
The specific embodiment
As shown in Figure 1: before template promotes, first in building surface attachment rail (1), the track of building both sides utilizes bolt (8) to link together.After concreting, track will be fixed on building surface.Pulley (3) is installed on slip skeleton (7) to be linked with track.Template (5) between each track supports by slip skeleton.The power that whole sliding shuttering utilizes lifter (2) to provide is upwards sliding along track.After concrete setting, downside rail can be removed in hanging scaffolding (6), and working platform leaves preformed hole on (4), and the track of dismounting can be delivered on working platform and be reused by preformed hole.
Track is processed by H shaped steel, and for ease of carrying is installed, every segment length is 1m or 1.6m.As shown in Figure 2: between each section of track, adopt tongue and groove to be connected with bolt, the tongue and groove of steel rail ends is welded on above H shaped steel with two angle steel.Each row's aperture that bores on a side wing edge of H shaped steel, the spacing in hole should not be greater than 200mm.H shaped steel track is after wall steel bar colligation is good, utilizes and is bolted to above wall steel bar.Because rail is unique support shuttering sliding track upwards, it will bear very large downforce, if track will be removed in hanging scaffolding, the bolt of joining rails just must be welded on above the vertical reinforcement of body of wall.If when the less pressure that is not enough to bear rail transmission of the vertical reinforcement diameter of body of wall, can respectively add two larger-diameter reinforcing bars near the bolt that connects rail, and together with bolt welding.For guaranteeing construction quality, the gap between two tracks must equal the thickness of body of wall.
Lifter is mounted on track, and it can drive whole template and working platform upwards to rise along track.As shown in Figure 3: lifter is mainly made up of anti-skidding self-locking device (11) and hydraulic jack (12) two parts.
Anti-skidding self-locking device is as shown in Figure 4: anti-skidding self-locking device inside have one with the profile of tooth steel plate (21) of the profile of tooth complementation of anti-skidding self-locking device, can relative sliding between the two.The back side of profile of tooth steel plate contacts with rail and produces frictional force, and in the time that anti-skidding self-locking device is subject to downward pulling force, profile of tooth steel plate is squeezed, and the frictional force between its back side and rail increases, and has stoped anti-skidding self-locking device down sliding.In the time that anti-skidding self-locking device is subject to thrust upwards, the extruding force that profile of tooth steel plate is subject to disappears, and the frictional force between steel plate and rail has also disappeared, and whole anti-skidding self-locking device will be upwards soaring smoothly because of thrust upwards.Below the profile of tooth steel plate of anti-skidding self-locking device inner side, spring (22) is installed, profile of tooth steel plate is contacted with rail all the time, can prevent that anti-skidding self-locking device from skidding.For ease of installing, on anti-skidding self-locking device, be provided with bolt hole (23), before installing, first utilize bolt that profile of tooth steel plate is fixed up, guarantee that the profile of tooth steel plate back side has larger gap to be conveniently installed on track, after installing, the demounting bolt of being sure to, otherwise anti-skidding self-locking device is by malfunctioning.
The structure of hydraulic jack is as shown in Figure 5: jack mainly contains shell (31), piston (32), return spring (33) and oil-leakage-prevention rubber ring (34) composition, has an anti-skidding self-locking device to be attached thereto on the shell of jack.Hydraulic pressure chamber approximate ellipsoidal, can make jack and anti-skidding self-locking device perfectly combine, and makes jack as far as possible near track, prevents that lifter from producing excessive bending moment force and making track deformation in soaring.
Pulley is the major part of fixed form, its way as shown in Figure 6: it is mainly made up of wheel (41), a track foreign steamer (42) and a pulley main shaft (43) in 2 tracks.The bearing of each wheel inside adopts standard component, and in order to reduce the diameter of wheel and to guarantee force request, bearing can adopt the bearing without outer ring, between each axle and bearing, adopts link setup to connect.
Sliding formwork assembling will be carried out after more than reinforcing bar binding to 2 meter height, be distributed in wall steel bar both sides and be fixed together with track two with bolt with the Orbital Symmetry of different length two, adjust the verticality of track and by the bolt welding of joining rails on the vertical reinforcement of body of wall, the joint of attention track is answered interlaced layout, all rail joints can not be arranged in same level.Distance between adjacent orbit is unsuitable excessive, should guarantee between 2m to 4m, and be evenly arranged.
After track installs, respectively the template group between adjacent orbit is dressed up to an entirety, the place that template and rail join should be spliced closely knit and be guaranteed relative sliding.2 to 3 pulleys are installed on every track, and the pulley on same track are vertically linked together with steel pipe or channel-section steel, the position of pulley should be evenly distributed in template altitude range.With steel pipe or i iron, the pulley on different tracks is laterally linked together again, form a skeleton that can slide along track.Then all templates and skeleton are connected firmly.Again lifter is installed and linked together in orbit and with slip skeleton.Last installation work platform and miscellaneous equipment, sliding formwork assembling has just completed.
Sliding shuttering is slided by examination, check globality and once quality problems and adjust, after examination slide successfully, normally concreting, waits template sliding lifting after certain altitude, installation hanging scaffolding, and continues sliding to design elevation.
Bolt provided by the invention can be installed sliding formwork contracture device to pull-type track sliding moving platen on sliding formwork skeleton, and assembled traveling formwork, can complete the building operations of gradual change cross section.Also can combine with slip-framed reverse mould construction technology.
Claims (5)
1. a bolt is to pull-type track sliding moving platen, comprise lifting means, it is characterized in that: attachment rail before concreting (1), on the support frame (7) of sliding shuttering (5), pulley (3) is installed and coordinates with track, and on the track (1) of working platform (4) top, lifter (2) is installed and is connected with the skeleton (7) of sliding shuttering.
2. according to claim 1 to pull-type track sliding moving platen, it is characterized in that: track (1) is to adopt the processing and manufacturing of H shaped steel, on one flank listrium, be drilled with bolt preformed hole, rail top adopts tongue and groove and bolt to be fixedly connected with, and track is to be bolted in advance on building surface.
3. according to claim 1 and 2 to pull-type track sliding moving platen, it is characterized in that: lifter (2) is made up of anti-skidding self-locking device (11) and hydraulic jack (12), anti-skidding self-locking device inside has a movable profile of tooth steel plate (21) and the profile of tooth on anti-skidding self-locking device to coincide, the hydraulic pressure chamber approximate ellipsoidal of hydraulic jack, is respectively furnished with an anti-skidding self-locking device on the shell of jack and push rod.
4. according to claim 1 and 2 to pull-type track sliding moving platen, it is characterized in that: pulley (3) is made up of wheel (41), a track foreign steamer (42) and a pulley main shaft (43) in two tracks.
5. according to claim 1 and 2 to pull-type track sliding moving platen, it is characterized in that: sliding shuttering (5) can be both the fixed form that common sliding formwork adopts, and can be also the traveling formwork that contracture device is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410013229.9A CN103835497A (en) | 2013-11-30 | 2014-01-01 | Bolt opposite-pulling type track sliding formwork |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320803841.7 | 2013-11-30 | ||
| CN201320803841 | 2013-11-30 | ||
| CN201410013229.9A CN103835497A (en) | 2013-11-30 | 2014-01-01 | Bolt opposite-pulling type track sliding formwork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103835497A true CN103835497A (en) | 2014-06-04 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410013229.9A Pending CN103835497A (en) | 2013-11-30 | 2014-01-01 | Bolt opposite-pulling type track sliding formwork |
| CN201420014854.0U Expired - Fee Related CN203878979U (en) | 2013-11-30 | 2014-01-01 | Bolt opposite-pulling type track sliding formwork |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420014854.0U Expired - Fee Related CN203878979U (en) | 2013-11-30 | 2014-01-01 | Bolt opposite-pulling type track sliding formwork |
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| CN (2) | CN103835497A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360067A (en) * | 2020-11-26 | 2021-02-12 | 北京城建六建设集团有限公司 | Formwork supporting system for underground parapet wall and assembling method thereof |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013795B (en) * | 2016-07-22 | 2017-12-12 | 四川电力建设三公司 | The method for dismounting of thermal power station's chimney hydraulic mould lifting device |
| CN108612049B (en) * | 2018-05-22 | 2019-12-06 | 江苏省交通工程集团有限公司 | Construction method for shore protection engineering construction by adopting integral steel slip form structure |
| CN112031401B (en) * | 2020-08-05 | 2022-03-18 | 上海建工集团股份有限公司 | Two-way adjustable automatic template opening and closing system of climbing formwork and use method thereof |
-
2014
- 2014-01-01 CN CN201410013229.9A patent/CN103835497A/en active Pending
- 2014-01-01 CN CN201420014854.0U patent/CN203878979U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360067A (en) * | 2020-11-26 | 2021-02-12 | 北京城建六建设集团有限公司 | Formwork supporting system for underground parapet wall and assembling method thereof |
| CN112360067B (en) * | 2020-11-26 | 2022-01-28 | 北京城建六建设集团有限公司 | Formwork supporting system for underground parapet wall and assembling method thereof |
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| Publication number | Publication date |
|---|---|
| CN203878979U (en) | 2014-10-15 |
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Application publication date: 20140604 |