CN103452313A - Early-removing independent support strip - Google Patents
Early-removing independent support strip Download PDFInfo
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- CN103452313A CN103452313A CN2013104193969A CN201310419396A CN103452313A CN 103452313 A CN103452313 A CN 103452313A CN 2013104193969 A CN2013104193969 A CN 2013104193969A CN 201310419396 A CN201310419396 A CN 201310419396A CN 103452313 A CN103452313 A CN 103452313A
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- support bar
- keelson
- top plate
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Abstract
The invention discloses an early-removing independent support strip which comprises a plurality of parallel early-removing devices, wherein each early-removing device comprises a steel bracing strut (1), a standard keel (2) and a side keel (3). The early-removing independent support strip is characterized in that the early-removing device further comprises a top plate support head (4), a connection plate (5) and a connecting bar (6); the lower end of the top plate support head (4) is connected with the steel bracing strut (1); the left end and the right end of the top plate support head (4) are respectively connected with the standard keel (2) and the side keel (3) through the connection plate (5) and the connecting bar (6). The early-removing independent support strip provided by the invention is reasonably designed, safe and reliable and can be widely popularized and applied.
Description
Technical field
The present invention relates to tear the independent support band open a kind of morning, belong to technical field of building construction.
Background technology
In concrete structure construction, for shortening the striking time of slab form, accelerate the turnover of the material tools such as slab form, reduce the input of building slab plate tool simultaneously, usual way is to adopt the form that early dismantling head is set to realize the early stage slab form of removing at present.Its operating principle is torn exactly plate open and is not torn supporting head open, and when floor concrete casting after 3～4 days, concrete strength reaches 50% when above of design strength, and dismountable slab form and part support, and column is torn early head open and still kept holding state.When concrete strength reaches designing requirement, then remove whole vertical supportings.
In practical operation, early dismantling head is set and has following hidden danger at the scene:
1) because operator's technical level is uneven, often random large when early dismantling head is set, can't guarantee that early dismantling head spacing concrete strength when form removal can meet code requirement;
2) because early dismantling head is arranged in vertical rod, with peripheral vertical rod indistinction, the operator often seeks convenient all vertical rods can being connected as a single entity when the stripping vertical rod, remove in the lump, again support top again, so, exist serious structural safety and hidden danger of quality subsequently, do not have the effect of independent support at all, and the common existence at the construction field (site) of this phenomenon;
3) early dismantling head itself only depends on a small size iron plate to contact with concrete surface, and Area of bearing is limited.Because vertical rod is thinner, sometimes can't become a vertical line with early dismantling head simultaneously, have a strong impact on its stressed and stability.
The present invention is based on said structure and reach safely hidden danger of quality, arrange and early tear the independent support band open and can address the above problem.
Summary of the invention
Technical problem to be solved by this invention is, a kind of spacing criterion settings is provided, independent support, tear the independent support band morning of firm supporting open.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
Tear the independent support band a kind of morning open, early-dismantling device for several parallel arrangements, described early-dismantling device comprises: steel support, standard keel and keelson, it is characterized in that: also comprise top plate supporting head, junction plate and connection rib, a described top plate supporting lower end and described steel support and connection, a described top plate supporting left and right two ends by described junction plate be connected rib and be connected with keelson with described standard keel respectively.
Described top plate supporting head comprises big up and small down trapezoidal supporting member and the support bar supported for inserting described steel, and described supporting member and support bar are one-body molded, and described top plate supporting head is cast member or Al-alloy parts.
The forward and backward face of described supporting member all is provided with for placing the first groove of described connection rib.
Described junction plate comprise link for connecting described standard keel or keelson and for place described connection rib and forward and backward the second groove that setting is all arranged, described connection rib is fixed with pin after being positioned in described the first groove and the second groove, and described junction plate is 2 with the number that is connected rib.
Described link is the trapezoidal of up big and down small and top end opening, described standard keel or keelson are that hollow bottomless and bottom surface is provided with 2 inside horizontal chimbs, and the top length of side of described link is less than the hollow chamber length of described standard keel or keelson and is greater than the length difference of described hollow chamber and two chimbs.
Described steel supports and comprises upper support bar, lower support bar, thread head, adjuster and supporting latch, described lower support bar bottom ground connection, the described thread head of top cover bag, described adjuster inboard is provided with the internal thread be used in combination with described thread head, described adjuster is the hollow tube be assembled on described thread head, the bottom of described upper support bar is inserted cover and is had after the lower support bar of described adjuster with described supporting latch and fixes after through the jack that is arranged at described upper support bar and lower support bar, and described support bar inserts the top of described upper support bar.
Type linearly after being connected of described standard keel or keelson and described top plate supporting head, the trapezoidal acute angle angle that is described top plate supporting head is identical with the link angle of described standard keel or keelson, and described standard keel or keelson are steel plate or aluminium alloy plate.
The spacing of adjacent described early-dismantling device is less than 2m.
Installation and the demounting procedure of tearing the independent support band described morning open are:
Step 1: according to scene, often across the clear distance between slab form, first on lower floor's slab form face, to be less than the 2m spacing, carry out the snap the line location;
Step 2: according to the snap the line anchor point, described steel is installed and is supported: fixing described lower support bar bottom, after the described thread head of described lower support bar top cover bag, assemble described adjuster on described thread head after, after described upper support bar insertion is installed to the lower support bar of described adjuster, after tentatively regulating height and the support bar of described top plate supporting head being inserted to the top of described upper support bar, with the fixing described upper support bar of described supporting latch and lower support bar, the height that utilizes adjuster to finely tune described steel support makes described top plate supporting head and described standard keel or keelson be positioned at the same level position,
Step 3: connect described top plate supporting head and described standard keel or keelson: described junction plate is connected with described standard keel or keelson, and method of attachment is put into the other end after for the hollow chamber that the link of described junction plate one end is tilted to enter described standard keel or keelson again; 2 described connection ribs are positioned over to the second groove of being positioned at forward and backward of described junction plate and are positioned at described top plate supporting head) first groove of forward and backward, put the described pin of rear use well and fix, make 2 connection ribs clamp described junction plate and described top plate supporting head;
Step 4: slab form is installed, is carried out building operations;
Step 5: when floorslab concrete intensity reaches 50% when above of design strength, remove and early tear independent support band outer all supports and slab form open, accelerate the turnover of slab form, reduce the input of slab form simultaneously;
Step 6: when floorslab concrete reaches code requirement, remove and tear the independent support band described morning open, method for dismounting is: first pull out described pin, take off described connection rib and junction plate, unload described standard keel and keelson, rotate described adjuster, described top plate supporting head is descended, take out described top plate supporting head, remove described steel and support, complete the dismounting of tearing the independent support band open described morning.
Tear the independent support band a kind of morning provided by the invention open, utilize junction plate and be connected rib fixedly top plate supporting head and standard keel or keelson, this kind of connected mode replaced an original small size iron plate and contacted with concrete surface, be that contact area is little, built on the sand, easily discontinuity causes construction dangerous in contact; In addition, independently, adjustable, the setting that the steel of constant spacing supports, make load-bearing more reasonable, through measuring and calculating, each steel supported in the short stress across being less than 2m of slab form, and load-bearing is more even, constructs safer.It is reasonable, safe and reliable that tear the independent support strip design a kind of morning provided by the invention open, but wide popularization and application.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
The structural representation that Fig. 2 is early-dismantling device;
The structural representation that Fig. 3 is the top plate supporting head;
The left view that Fig. 4 is Fig. 3 or right view;
The structural representation that Fig. 5 is junction plate;
The left view that Fig. 6 is Fig. 5 or right view.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Fig. 1-6, tear the independent support band a kind of morning open, early-dismantling device for several parallel arrangements, described early-dismantling device comprises: steel support 1, standard keel 2 and keelson 3, it is characterized in that: also comprise top plate supporting 4, junction plate 5 and be connected rib 6, described top plate supporting 4 lower end are supported 1 with described steel and are connected, described top plate supporting 4 a left and right two ends by described junction plate 5 be connected rib 6 and be connected with keelson 3 with described standard keel 2 respectively.
Described top plate supporting 4 comprises big up and small down trapezoidal supporting member 7 and supports 1 support bar 8 for inserting described steel, and described supporting member 7 and support bar 8 are one-body molded, and described top plate supporting 4 is cast member or Al-alloy parts.
The forward and backward face of described supporting member 7 all is provided with for placing the first groove 9 of described connection rib 6.
Described junction plate 5 comprise link 16 for connecting described standard keel 2 or keelson 3 and for place described connection rib 6 and forward and backward the second groove 10 that setting is all arranged, described connection rib 6 is positioned over described the first groove 9 and the second groove 10 is interior with pin, fixes afterwards, and described junction plate 5 is 2 with the number that is connected rib 6.
Described link 16 is the trapezoidal of up big and down small and top end opening, described standard keel 2 or keelson 3 is provided with 2 inside horizontal chimbs for hollow bottomless and bottom surface, and the top length of side of described link 16 is less than the hollow chamber length of described standard keel 2 or keelson 3 and is greater than the length difference of described hollow chamber and two chimbs.
Described steel supports 1 and comprises upper support bar 11, lower support bar 12, thread head 13, adjuster 14 and supporting latch 15, described lower support bar 12 bottom ground connection, the described thread head 13 of top cover bag, described adjuster 14 inboards are provided with the internal thread be used in combination with described thread head 13, described adjuster 14 is for being assembled in the hollow tube on described thread head 13, the bottom of described upper support bar 11 is inserted to overlap after the described supporting latch 15 of the rear use of lower support bar 12 that described adjuster 14 is arranged passes the jack that is arranged at described upper support bar 11 and lower support bar 12 and is fixed, the top that described support bar 8 inserts described upper support bar 11.
Type linearly after being connected of described standard keel 2 or keelson 3 and described top plate supporting 4, the trapezoidal acute angle angle that is described top plate supporting 4 is identical with the link angle of described standard keel 2 or keelson 3, be 70 °, described standard keel 2 or keelson 3 are steel plate or aluminium alloy plate.
The spacing of adjacent described early-dismantling device is less than 2m.
Installation and the demounting procedure of tearing the independent support band described morning open are:
Step 1: according to scene, often across the clear distance between slab form, first on lower floor's slab form face, to be less than the 2m spacing, carry out the snap the line location;
Step 2: according to the snap the line anchor point, described steel is installed and is supported 1: fixing described lower support bar 12 bottoms, after the described thread head 13 of described lower support bar 12 top cover bag, assemble described adjuster 14 on described thread head 13 after, after described upper support bar 11 insertions are installed to the lower support bar 12 of described adjuster 14, preliminary regulate height and the support bar 8 of described top plate supporting 4 inserted to the top of described upper support bar 11 after, with the fixing described upper support bar 11 of described supporting latch 15 and lower support bar 12, utilizing the described steel of adjuster 14 fine setting to support 1 height makes described top plate supporting 4 and described standard keel 2 or keelson 3 be positioned at the same level position,
Step 3: connect described top plate supporting 4 and described standard keel 2 or keelson 3: described junction plate 5 is connected with described standard keel 2 or keelson 3, and method of attachment is put into the other end after for the hollow chamber that the link of described junction plate 16 1 ends is tilted to enter described standard keel 2 or keelson 3 again; 2 described connection ribs 6 are positioned over to the second groove 10 that is positioned at forward and backward of described junction plate 5 and are positioned at the first groove 9 of described top plate supporting 4 forward and backward, put the described pin of rear use well and fix, make 2 to connect ribs 6 and clamp described junction plates 5 and described top plate supporting 4;
Step 4: slab form is installed, is carried out building operations;
Step 5: when floorslab concrete intensity reaches 50% when above of design strength, remove and early tear independent support band outer all supports and slab form open, accelerate the turnover of slab form, reduce the input of slab form simultaneously;
Step 6: when floorslab concrete reaches code requirement, remove and tear the independent support band described morning open, method for dismounting is: first pull out described pin, take off described connection rib 6 and junction plate 5, unload described standard keel 2 and keelson 3, rotate described adjuster 14, make 4 decline of described top plate supporting, take out described top plate supporting 4, remove described steel and support 1, complete the dismounting of tearing the independent support band open described morning.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. tear the independent support band morning open, early-dismantling device for several parallel arrangements, described early-dismantling device comprises: steel supports (1), standard keel (2) and keelson (3), it is characterized in that: also comprise top plate supporting head (4), junction plate (5) and be connected rib (6), described top plate supporting head (4) lower end is supported (1) with described steel and is connected, the left and right two ends of described top plate supporting head (4) by described junction plate (5) be connected rib (6) and be connected with keelson (3) with described standard keel (2) respectively.
2. tear the independent support band a kind of morning according to claim 1 open, it is characterized in that: described top plate supporting head (4) comprises big up and small down trapezoidal supporting member (7) and supports the support bar (8) of (1) for inserting described steel, described supporting member (7) and support bar (8) are one-body molded, and described top plate supporting head (4) is cast member or Al-alloy parts.
3. tear the independent support band open a kind of morning according to claim 2, it is characterized in that: the forward and backward face of described supporting member (7) all is provided with for placing first groove (9) of described connection rib (6).
4. tear the independent support band a kind of morning according to claim 1 open, it is characterized in that: described junction plate (5) comprise link (16) for connecting described standard keel (2) or keelson (3) and for place described connection rib (6) and forward and backward the second groove (10) that setting is all arranged, described connection rib (6) is fixed with pin after being positioned in described the first groove (9) and the second groove (10), and described junction plate (5) is 2 with the number that is connected rib (6).
5. tear the independent support band a kind of morning according to claim 4 open, it is characterized in that: described link (16) is trapezoidal for up big and down small and top end opening, described standard keel (2) or keelson (3) are provided with 2 inside horizontal chimbs for hollow bottomless and bottom surface, and the top length of side of described link (16) is less than the hollow chamber length of described standard keel (2) or keelson (3) and is greater than the length difference of described hollow chamber and two chimbs.
6. tear the independent support band a kind of morning according to claim 1 open, it is characterized in that: described steel supports (1) and comprises upper support bar (11), lower support bar (12), thread head (13), adjuster (14) and supporting latch (15), described lower support bar (12) bottom ground connection, top cover bag described thread head (13), described adjuster (14) inboard is provided with the internal thread be used in combination with described thread head (13), described adjuster (14) is for being assembled in the hollow tube on described thread head (13), the bottom of described upper support bar (11) is inserted cover and is had after the lower support bar (12) of described adjuster (14) with described supporting latch (15) and fixes after through the jack that is arranged at described upper support bar (11) and lower support bar (12), described support bar (8) inserts the top of described upper support bar (11).
7. tear the independent support band a kind of morning according to claim 1 open, it is characterized in that: described standard keel (2) or keelson (3) and type linearly after described top plate supporting head (4) is connected, the trapezoidal acute angle angle that is described top plate supporting head (4) is identical with the link angle of described standard keel (2) or keelson (3), and described standard keel (2) or keelson (3) are steel plate or aluminium alloy plate.
8. tear the independent support band open a kind of morning according to claim 1, it is characterized in that: the spacing of adjacent described early-dismantling device is less than 2m.
9. installation and the method for dismounting of tearing the independent support band a kind of morning open according to claim 1, it is characterized in that: installation and the demounting procedure of tearing the independent support band described morning open are:
Step 1: according to scene, often across the clear distance between slab form, first on lower floor's slab form face, to be less than or equal to the 2m spacing, carry out the snap the line location;
Step 2: according to the snap the line anchor point, described steel is installed and is supported (1):
Fixing described lower support bar (12) bottom, after described lower support bar (12) the top cover described thread head of bag (13), after described thread head (13) the described adjuster of upper assembling (14), after described upper support bar (11) insertion is installed to the lower support bar (12) of described adjuster (14), after tentatively regulating height and the support bar (8) of described top plate supporting head (4) being inserted to the top of described upper support bar (11), with the fixing described upper support bar (11) of described supporting latch (15) and lower support bar (12), the height that utilizes adjuster (14) to adjust described steel support (1) makes described top plate supporting head (4) and described standard keel (2) or keelson (3) be positioned at the same level position,
Step 3: connect described top plate supporting head (4) and described standard keel (2) or keelson (3):
Described junction plate (5) is connected with described standard keel (2) or keelson (3), and method of attachment is put into the other end after for the hollow chamber that the link of described junction plate (16) one ends is tilted to enter described standard keel (2) or keelson (3) again; 2 described connection ribs (6) are positioned over to the second groove (10) that is positioned at forward and backward of described junction plate (5) and the first groove (9) that is positioned at forward and backward of described top plate supporting head (4), put the described pin of rear use well and fix, make 2 connection ribs (6) clamp described junction plate (5) and described top plate supporting head (4);
Step 4: slab form is installed, is carried out building operations;
Step 5: when floorslab concrete intensity reaches 50% when above of design strength, remove and early tear independent support band outer all supports and slab form open, accelerate the turnover of slab form, reduce the input of slab form simultaneously;
Step 6: when floorslab concrete reaches code requirement, remove and tear the independent support band described morning open, method for dismounting is: first pull out described pin, take off described connection rib (6) and junction plate (5), unload described standard keel (2) and keelson (3), rotate described adjuster (14), described top plate supporting head (4) is descended, take out described top plate supporting head (4), remove described steel and support (1), complete the dismounting of tearing the independent support band open described morning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310419396.9A CN103452313B (en) | 2013-09-13 | 2013-09-13 | Early-removing independent support strip |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310419396.9A CN103452313B (en) | 2013-09-13 | 2013-09-13 | Early-removing independent support strip |
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| CN103452313A true CN103452313A (en) | 2013-12-18 |
| CN103452313B CN103452313B (en) | 2015-07-08 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103967273A (en) * | 2014-04-16 | 2014-08-06 | 云南昆钢钢结构有限公司 | Concrete formwork supporting device for floor slab concreting |
| CN104989096A (en) * | 2015-07-15 | 2015-10-21 | 江苏雷格森建筑科技有限公司 | Keel formwork system |
| CN105715048A (en) * | 2016-03-24 | 2016-06-29 | 广州市艺达机械有限公司 | Early-dismounting beam connecting device for aluminum template |
| CN107023167A (en) * | 2017-03-17 | 2017-08-08 | 山东新活新材料科技有限公司 | Early-dismantling device and its construction method |
| CN107090974A (en) * | 2017-07-03 | 2017-08-25 | 北京城建六建设集团有限公司 | A kind of top plate Quick Release support system and its construction method |
| CN109057322A (en) * | 2018-09-29 | 2018-12-21 | 广东锐良塑料模板支撑有限公司 | A kind of cast-in-place concrete early-dismantling formwork system and its construction method |
| CN109680930A (en) * | 2017-10-18 | 2019-04-26 | 五冶集团上海有限公司 | Early-dismantling support system construction method |
| CN115288425A (en) * | 2022-08-22 | 2022-11-04 | 晟通科技集团有限公司 | Early-dismantling formwork and formwork system |
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| CN103967273A (en) * | 2014-04-16 | 2014-08-06 | 云南昆钢钢结构有限公司 | Concrete formwork supporting device for floor slab concreting |
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| CN109680930A (en) * | 2017-10-18 | 2019-04-26 | 五冶集团上海有限公司 | Early-dismantling support system construction method |
| CN109057322A (en) * | 2018-09-29 | 2018-12-21 | 广东锐良塑料模板支撑有限公司 | A kind of cast-in-place concrete early-dismantling formwork system and its construction method |
| CN115288425A (en) * | 2022-08-22 | 2022-11-04 | 晟通科技集团有限公司 | Early-dismantling formwork and formwork system |
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|---|---|
| CN103452313B (en) | 2015-07-08 |
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Address after: Haimen Changle Town of Zhongnan group of 226124 cities in Jiangsu province Nantong city 5 floor East Applicant after: Jiangsu Zhongnan Construction Industry Group Co., Ltd. Address before: Haimen Changle Town of Zhongnan group of 226124 cities in Jiangsu province Nantong city 5 floor East Applicant before: Nantong Construction General Contractor Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: NANTONG CONSTRUCTION GENERAL CONTRACTOR CO., LTD. TO: JIANGSU ZHONGNAN CONSTRUCTION INDUSTRY GROUP CO., LTD. |
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