CN103741950B - Concrete filled steel tube column bottom high-pressure note concrete and back-flow preventer - Google Patents
Concrete filled steel tube column bottom high-pressure note concrete and back-flow preventer Download PDFInfo
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- CN103741950B CN103741950B CN201410018151.XA CN201410018151A CN103741950B CN 103741950 B CN103741950 B CN 103741950B CN 201410018151 A CN201410018151 A CN 201410018151A CN 103741950 B CN103741950 B CN 103741950B
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Abstract
Concrete filled steel tube column bottom high-pressure note concrete of the present invention and back-flow preventer, comprise stud wall, window, flange, conduit, pinboard, insert baffle-wall and fixed screw.It is characterized in that device that connected by concrete filled steel tube column base portion window, that be welded as a whole by flange and conduit, in steel pipe column chamber, high pressure injection concrete from bottom to top.Realized the start or stop of conduit by pinboard and slotting baffle-wall, carry out secondary connect continuously note concrete and note concrete complete after shutoff backflow proof.The present invention compared with prior art, have design typification can workshop standard manufacture, in-site installation, easy to use, reliable for effect, reusable, in application, the remarkable advantage such as column steel pipe walls damage little, efficiency is high, cost is low, reliable in quality, thus has good application value.
Description
One, technical field:
The invention belongs to construction work, specifically a kind of concrete filled steel tube column bottom high-pressure note concrete and back-flow preventer.
two, background technology:
Concrete filled steel tube column is widely used in modern architecture, and coupled columns inner concrete is cast with various ways and implements, and mainly contains capital and throws teeming at the bottom of note and post.Capital is thrown and is noted because its construction speed is slow, and complicated operation, easily produces from phenomenons such as plate, mixed gas in concrete dropping process, its compactness is difficult to ensure, also needing in addition to build operating platform, with adding many troubles and work high above the ground risk, gradually having the gesture replaced by teeming mode at the bottom of post.At the bottom of post, window in teeming many employings column bottom, after welding conduit is communicated with pump truck conduit, teeming realizes fast, compared with throwing note with capital, there is many advantages, but still there is many problem and shortage, mainly contain: 1, be connected by rigid solder between conduit with post jamb, though solid and reliable, but welding and cut off afterwards and destroy heavy to post jamb, leave over exasperate obviously, repair trouble, workload is large, of poor quality.2, conduit welding and cut off conduit oneself injury serious, be difficult to repeatedly Reusability, cause waste of material.3, because its conduit is often changed, be difficult to realize standard and manufacture, be connected with secondary transition conduit that need adopt many during pump truck tubes connection, not only bother, more increase many evaporating, emitting, dripping or leaking of liquid or gas links.4, after casting complete, shutoff is backflowed, and the short interruption shutoff that once-cast deficiency changes pump truck process is backflowed, the shutoff of prior art many employings rigid conduit transverse opening plate, the flexible conduit reflexed mode of tying up solves, there is the sealing of opening equally, the damage of conduit, and gas be mixed into problem.
three, summary of the invention:
The object of the invention is for above problem and shortage, provide that a kind of structure is simple, standard manufacture, easy to use, reusable, the damage of opposition post jamb is light, the concrete filled steel tube column bottom high-pressure note concrete easily repaired and back-flow preventer.
The object of the invention is to be achieved through the following technical solutions:
A kind of concrete filled steel tube column bottom high-pressure note concrete and back-flow preventer, it comprises stud wall, window, flange, conduit, pinboard, inserts baffle-wall and fixed screw, it is characterized in that concrete filled steel tube column bottom side stud wall is cut one with the circular window of flange equal inside diameters, and the position of the screw hole corresponded on flange in window periphery is drilled with screw hole, milling and the wide pin plate groove of flange internal diameter is dug centered by two screw hole lines of centres that the one side of its flange is relative on flange, the conduit that another side welding is equal with flange internal diameter, pinboard and slotting baffle-wall are the steel plate system corresponding with pin plate well width and the degree of depth, pinboard one end is designed to the arcs of recesses with flange uniform internal diameter, the other end is done 90 ° and is bent to form pin plate gear, its pinboard length is greater than flange internal diameter and adds side hem width, insert baffle-wall, with side pin plate groove, there is identical arc, screw hole is drilled with after pinboard and slotting baffle-wall align with flange internal diameter.
Concrete filled steel tube column bottom high-pressure note concrete according to claim 1 and back-flow preventer, when it is characterized in that the stud wall of concrete filled steel tube column is blocked up, its screw hole can be set to cut a blind hole.
Concrete filled steel tube column bottom high-pressure note concrete according to claim 1 and back-flow preventer, is characterized in that the stud wall that pinboard is corresponding with the screw hole of slotting baffle-wall does not establish screw hole, be fixed on flange with plug pin card.
Concrete filled steel tube column bottom high-pressure note concrete according to claim 1 and back-flow preventer, is characterized in that catheter tip is designed to the standard buckle connected mode corresponding with concrete mixer catheter tip.
Concrete filled steel tube column bottom high-pressure note concrete of the present invention and back-flow preventer compared with prior art, have the distinguishing features such as structure is simple, standard is manufactured, easy to use, reusable, have following remarkable advantage in addition:
1, concrete filled steel tube column bottom high-pressure note concrete and back-flow preventer adopt workshop manufacturing mode, install, operating specification, the trouble such as to save in stud wall Site Welding, cut off, and operating efficiency is high, quality good.
2, pin plate groove, pinboard and slotting baffle-wall be provided with midway and backflowing of final concrete slurry deters, compare to conduit transverse opening plate and flexible hose wraparound folding nest prevent from backflowing, simple to operate, closed thoroughly reliable, make secondary injection concrete more convenient smooth and easy, harmless to conduit itself.Be more convenient for fast, normal pressure, without completing under gaseous state once, secondary conduit docks and is separated.
3, directly weld in stud wall, cut off conduit, one be large to conduit injury, loss is many, quarrel mouth is uneven, be difficult to recycling; Two is that stud wall window quarrel mouth is coarse, repair and restore difficulty greatly, and the present invention does not exist above problem completely.
Thus, concrete filled steel tube column bottom high-pressure note concrete of the present invention and back-flow preventer have good application value.
four, accompanying drawing illustrates:
Fig. 1 is the general assembly side generalized section of concrete filled steel tube column bottom high-pressure note concrete and back-flow preventer.
Fig. 2 is concrete filled steel tube column bottom high-pressure note concrete and back-flow preventer flange horizontal frontal plane schematic diagram.
Fig. 3 is concrete filled steel tube column bottom high-pressure note concrete and back-flow preventer flange side plane schematic diagram.
Fig. 4 is concrete filled steel tube column bottom high-pressure note concrete and back-flow preventer pinboard horizontal frontal plane schematic diagram.
Fig. 5 is concrete filled steel tube column bottom high-pressure note concrete and back-flow preventer pinboard side plane schematic diagram.
Fig. 6 is that concrete filled steel tube column bottom high-pressure note concrete and back-flow preventer insert baffle-wall horizontal frontal plane schematic diagram.
Fig. 7 is that concrete filled steel tube column bottom high-pressure note concrete and back-flow preventer insert baffle-wall side plane schematic diagram.
In figure: 1 column, 2 stud wall, 3 windows, 4 flange, 5 conduits, 6 pinboards, 7 insert baffle-wall, 8 fixed screws, 9 pin plate grooves, 10 pin plate gears, 11 screw holes, 12 rubber cushions.
Five, detailed description of the invention:
Below in conjunction with Figure of description, concrete filled steel tube column bottom high-pressure note concrete of the present invention and back-flow preventer are described in further detail:
As shown in Figure 2 and Figure 3, choose or manufacture flange 4, in the one side of flange 4, line centered by relative two screw holes 11, westwards side planing mills out pin plate groove 9, and the width of pin plate groove 9 equals or slightly larger than the internal diameter of flange 4, at the conduit 5 of the another side welding equal inside diameters of flange 4.As shown in Figure 4, Figure 5, manufacture pinboard 6 with steel plate, its width and thickness corresponding with pin plate groove 9, Front-end Design is the spill arc isometrical with flange 4 internal diameter, the rear end pin plate gear 10 that laterally bending is vertical, the length of pinboard 6 adds hem width slightly larger than the internal diameter of flange 4.As shown in Figure 6, Figure 7, insert baffle-wall 7 manufacture for steel plate length and width, thick be arc corresponding with pin plate groove 9.Pinboard 6 and slotting baffle-wall 7 arrange the screw hole 11 corresponding with flange 4.
During application, as shown in Figure 1, the circular window 3 that cutting is equal with flange 4 internal diameter in the base portion side stud wall 2 of concrete filled steel tube column 1, stud wall 2 sheet steel under cutting properly saves backup, and drills through screw hole 11 with flange 4 for mould is rule in stud wall 2.Centre adds doubling pad 12, is fixed in stud wall 2 with fixed screw 8 by flange 4, pinboard 6 and slotting baffle-wall 7 is inserted pin plate groove 9 fixed screw 8 and fixes, check errorless after pump truck conduit be connected rear enforcement with conduit 5 add pressure injection concrete.When once note concrete can not fill whole column 1 cavity, remove rapidly pinboard 6 and the fixed screw 8 of slotting baffle-wall 7, head into pinboard 6, closed window 3, changing-over pump truck conduit, mentions pinboard 6, again get back into slotting baffle-wall 7 and fixing, complete after note concrete with pinboard 6 closed window 3.
After injection concrete body in concrete filled steel tube column tentatively condenses sizing, remove fixed screw 8, in post, no matter nut abandons.Take off concrete filled steel tube column bottom high-pressure note concrete and back-flow preventer cleaning out, for subsequent use after being coated with rust protection agent, or directly enter next cylinder of repetition and use.The residual surface concrete of cleaning window 3, the steel disc welding reset under former cutting is firmly smooth, the screw hole 11 in the stifled stud wall 2 of weldering.Remove the polishing of hair quarrel when window 3 is positioned at more than terrace bright and clean, the entirety recovering stud wall 2 is consistent, and when being positioned at below terrace, welded seal firmly.
Except the technical characteristic described in manual, be the known technology of those skilled in the art.
Claims (4)
1. a concrete filled steel tube column bottom high-pressure note concrete and back-flow preventer, it comprises stud wall, window, flange, conduit, pinboard, inserts baffle-wall and fixed screw, it is characterized in that concrete filled steel tube column bottom side stud wall is cut one with the circular window of flange equal inside diameters, and the position of the screw hole corresponded on flange in window periphery is drilled with screw hole, milling and the wide pin plate groove of flange internal diameter is dug centered by two screw hole lines of centres that the one side of its flange is relative on flange, the conduit that another side welding is equal with flange internal diameter, pinboard and slotting baffle-wall are the steel plate system corresponding with pin plate well width and the degree of depth, pinboard one end is designed to the arcs of recesses with flange uniform internal diameter, the other end is done 90 ° and is bent to form pin plate gear, its pinboard length is greater than flange internal diameter and adds side hem width, insert baffle-wall, with side pin plate groove, there is identical arc, screw hole is drilled with after pinboard and slotting baffle-wall align with flange internal diameter.
2. concrete filled steel tube column bottom high-pressure note concrete according to claim 1 and back-flow preventer, when it is characterized in that the stud wall of concrete filled steel tube column is blocked up, its screw hole can be set to cut a blind hole.
3. concrete filled steel tube column bottom high-pressure note concrete according to claim 1 and back-flow preventer, is characterized in that the stud wall that pinboard is corresponding with the screw hole of slotting baffle-wall does not establish screw hole, be fixed on flange with plug pin card.
4. concrete filled steel tube column bottom high-pressure note concrete according to claim 1 and back-flow preventer, is characterized in that catheter tip is designed to the standard buckle connected mode corresponding with concrete mixer catheter tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410018151.XA CN103741950B (en) | 2014-01-16 | 2014-01-16 | Concrete filled steel tube column bottom high-pressure note concrete and back-flow preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410018151.XA CN103741950B (en) | 2014-01-16 | 2014-01-16 | Concrete filled steel tube column bottom high-pressure note concrete and back-flow preventer |
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| Publication Number | Publication Date |
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| CN103741950A CN103741950A (en) | 2014-04-23 |
| CN103741950B true CN103741950B (en) | 2015-10-21 |
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| CN201410018151.XA Active CN103741950B (en) | 2014-01-16 | 2014-01-16 | Concrete filled steel tube column bottom high-pressure note concrete and back-flow preventer |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389428B (en) * | 2014-08-08 | 2016-02-17 | 河南省第二建设集团有限公司 | A kind of pump line plugging mechanism of automotive pump |
| CN114893012B (en) * | 2022-05-07 | 2023-07-18 | 浙江翰达工程检测有限公司 | Reset method for reinforced concrete column |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001020523A (en) * | 1999-07-07 | 2001-01-23 | Taisei Corp | Concrete press-in device and concrete guide device |
| CN201358586Y (en) * | 2009-02-23 | 2009-12-09 | 龙元建设集团股份有限公司 | Lift-up concrete introducing device for steel tube |
| CN201560584U (en) * | 2009-12-10 | 2010-08-25 | 中国建筑第二工程局有限公司 | Quick connecting joint capable of being circularly used for pumping and lift-up of cast concrete |
| CN203654761U (en) * | 2014-01-16 | 2014-06-18 | 合肥建工集团有限公司 | High pressure concrete pouring and backflow prevention device of bottom of concrete column of steel pipe |
-
2014
- 2014-01-16 CN CN201410018151.XA patent/CN103741950B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001020523A (en) * | 1999-07-07 | 2001-01-23 | Taisei Corp | Concrete press-in device and concrete guide device |
| CN201358586Y (en) * | 2009-02-23 | 2009-12-09 | 龙元建设集团股份有限公司 | Lift-up concrete introducing device for steel tube |
| CN201560584U (en) * | 2009-12-10 | 2010-08-25 | 中国建筑第二工程局有限公司 | Quick connecting joint capable of being circularly used for pumping and lift-up of cast concrete |
| CN203654761U (en) * | 2014-01-16 | 2014-06-18 | 合肥建工集团有限公司 | High pressure concrete pouring and backflow prevention device of bottom of concrete column of steel pipe |
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| CN103741950A (en) | 2014-04-23 |
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