CN103437539A - Opening and closing type door-shaped steel pipe scaffold - Google Patents
Opening and closing type door-shaped steel pipe scaffold Download PDFInfo
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- CN103437539A CN103437539A CN2013103934742A CN201310393474A CN103437539A CN 103437539 A CN103437539 A CN 103437539A CN 2013103934742 A CN2013103934742 A CN 2013103934742A CN 201310393474 A CN201310393474 A CN 201310393474A CN 103437539 A CN103437539 A CN 103437539A
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- cross support
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- vertical rod
- opening
- connecting device
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 12
- 239000010959 steel Substances 0.000 title claims abstract description 12
- 230000002787 reinforcement Effects 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 238000009415 formwork Methods 0.000 abstract 3
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000011065 in-situ storage Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 238000009432 framing Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Door And Window Frames Mounted To Openings (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The invention discloses an opening and closing type door-shaped steel pipe scaffold. The opening and closing type door-shaped steel pipe scaffold comprises multiple portal frame sheets and a spanner unit which is used for pairwise connecting the portal frame sheets, wherein the spanner unit comprises two spanners, the ends of each spanner are respectively connected to vertical rods of the two portal frames through end rotary connecting devices, and a node in the middle of the spanner is broken into two parts which are connected through a middle rotary connecting device; the middle rotary connecting device comprises a hinge and a self-locking device, the hinge is arranged on one surface of the node in the middle of the spanner, and the self-locking device is arranged on the other surface of the node in the middle of the spanner; the end rotary connecting devices comprise vertical rod reinforcing guard sleeves, bolts and arc-shaped ends. The opening and closing type door-shaped steel pipe scaffold can be used for solving the shortcomings that a full formwork support is complicated in structure, the erection and the dismantling of the full formwork support consumes labor and time, and a conventional folding scaffold is unlikely to be used as a cast-in-place beam construction formwork support due to the limitation of a structural system.
Description
Technical field
The present invention relates to a kind of building construction technology, be specifically related to a kind of opening and closing type door shape steel tube scaffold.
Background technology
Since reform and opening-up, the city size expanding day, traffic congestion, building is intensive, and road is difficult to widen.In addition, along with the development of the track vehicles such as high ferro, for avoiding track circuit and All other routes at grade intersection, save land used, increasing urban viaduct is by planning construction.
The job practices of bridge superstructure, along with the extensive use of prestressed concrete, obtained developing rapidly after 20 century 70s.Wherein by the full framing method, carrying out the concrete continuous beam construction is a kind of more ancient and ripe technique.While adopting the full framing method to carry out the concrete continuous girder bridge construction, the conversion of not generation of structure system is arranged, do not cause the dead load second moment of creeping, the advantages such as stretch-draw can once be arranged again, be concentrated to presstressed reinforcing steel, and therefore many bridges adopt Full space support constructions.
Due to the special geographical position of urban viaduct, its in-situ beam casting has proposed to set up the requirement of removing more convenient and quicker, service behaviour safety and reliability to full framing, to reduce the impact on urban traffic.And the full hall falseworks such as fastener type at present commonly used, bowl fastening type exist assembling process to need extra add-on parts, set up and remove work consuming shortcoming consuming time; Chinese patent CN102191853 discloses a kind of Foldable scaffold, although this scaffold can reduce memory space and cost of transportation after scaffold folds, due to the restriction of its structural system, is difficult to as the falsework that supports larger load; Chinese patent CN101769067 discloses a kind of Foldable scaffold, although simple in structure, convenient transportation and can be used for falsework is subject to the restriction of its antenna height, causes it to be difficult to use in the full hall falsework of bridge in-situ beam casting; The Novel open-close type falsework that can close up along fast folding after Cast-in-situ Beam span direction rapid deployment, form removal while therefore needing a kind of construction of exploitation.
Summary of the invention
The purpose of invention is in existing overhead road of city in-situ beam casting process, full hall falsework complex structure, set up, remove work consuming shortcoming consuming time, be subject to the restriction of structural system with existing Foldable scaffold, be difficult to the defect as the in-situ beam casting falsework, propose a kind of novel opening and closing type scaffolding.
The technical solution used in the present invention is: a kind of opening and closing type door shape steel tube scaffold comprises a plurality of door frame sheets and the cross support unit that each door frame sheet is connected in twos;
Described cross support unit comprises two cross supports, and the end of each cross support is connected with the vertical rod of two door frame sheets respectively by the end rotary connecting device, and the middle part Nodes of cross support is broken into two parts, and connects by the middle part rotary connecting device;
Described middle part rotary connecting device comprises hinge and self-locking device, and described hinge is arranged on the one side of the middle part Nodes of cross support, and the another side of the middle part Nodes of cross support is installed self-locking device;
Described end rotary connecting device comprises vertical rod reinforcement casing, bolt and arcuation termination, and described vertical rod reinforcement casing is fixed in the door frame vertical rod, and vertical rod is strengthened casing and is connected with cross support by bolt, and the cross support end is provided with the arcuation termination.
As preferably, described self-locking device comprises lock pin, bottom spring, side spring and pin cylinder, and described lockpin ventilating is crossed bottom spring and side spring fitting in pin cylinder inside, and the end of lock pin is provided with straight crotch, the outside is curved, and the pin cylinder offers hole corresponding to the straight crotch position of bearing pin.
Operating principle: opening and closing type door shape steel tube scaffold of the present invention connects as a whole by some door frames by counter brace, the cross support middle part disconnects and links together with tumbler, tumbler can rotate around node place vertical pivot, supporting base end portion is connected by tumbler with the door frame vertical rod, and tumbler can rotate around the vertical rod vertical pivot, make the cross support can be folding outside self plane.
During on-the-spot this scaffold of use, scaffold longitudinally can be pulled and launch to be duty.Launch when complete, the cross support of homonymy is positioned at same plane, rotary connecting device automatic locking now, because the structure of end rotary connecting device uniqueness and the locking of middle part rotary connecting device make total be converted to immutable system by unstable system, possessed the ability of bearing larger load as falsework; In addition can be for different scaffolding height requirements, but some foldings unit is superposeed on short transverse.During folding closing up, unclamp the middle part rotary connecting device at cross support middle part, scaffold is longitudinally stacked, each door frame sheet can close up and is adjacent to.
Beneficial effect: the present invention has following advantage: 1, this scaffold is convenient to use, while setting up without parts such as any extra fastener, latches; 2, be different from the combination of single rod member, the assembling of frame unit of traditional scaffold, it is base unit that this scaffold be take the folding unit that some door frames form, and can realize setting up fast, removing and whole haul, and time and labour saving and cost reduce greatly; 3, existing Foldable scaffold is many can't use as falsework, and this scaffold be take gate type steel pipe scaffold as basis, and in conjunction with opening-closing tectonics, service behaviour ensures to some extent.
The accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
The lateral view that Fig. 2 is Fig. 1;
The top view that Fig. 3 is Fig. 1;
Fig. 4 is the present invention middle part rotary connecting device schematic diagram;
The rear elevation that Fig. 5 is Fig. 4;
Fig. 6 is 1-1 generalized section in Fig. 4;
Schematic diagram when Fig. 7 is the rotary connecting device expansion of the present invention middle part;
Fig. 8 is schematic diagram when in the middle part of the present invention, rotary connecting device is folding;
Fig. 9 is end of the present invention rotary connecting device schematic diagram;
Figure 10 is 1-1 generalized section in Fig. 9.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
As Figure 1-3: a kind of opening and closing type door shape steel tube scaffold comprises a plurality of door frame sheets 1 and the cross support unit that each door frame sheet 1 is connected in twos;
Described cross support unit comprises two cross supports 2, the end of each cross support 2 is connected with the vertical rod of two door frame sheets 1 respectively by end rotary connecting device 4, the middle part Nodes of cross support 2 is broken into two parts, and connects by middle part rotary connecting device 3;
As Figure 4-8, described middle part rotary connecting device 3 comprises hinge 5 and self-locking device 6, and described hinge 5 is arranged on the one side of the middle part Nodes of cross support 2, and the another side of the middle part Nodes of cross support 2 is installed self-locking device 6; Described self-locking device 6 comprises lock pin 7, bottom spring 8, side spring 9 and pin cylinder 10, described lock pin 7 is arranged on pin cylinder 10 inside by bottom spring 8 and side spring 9, the end of lock pin 7 is provided with straight crotch, and the outside is curved, and pin cylinder 10 positions of the straight crotch corresponding to bearing pin 7 offer hole;
The hinge 5 of the present invention by the outside connects the two-part cross support 2 in left and right, and in the scaffold moving process, the rotating shaft that cross support 2 can wrap page 5 is folding outside self plane; In the inboard of cross support 2, self-locking device 6 is housed, launches when complete, the cross support 2 of homonymy is positioned at same plane, now automatic locking.
When self-locking device 6 launches at scaffold, both sides cross support 2 is along with the rotation that wraps page 5 rotating shafts, be tending towards gradually same plane, at first lock pin 7 contacts right side pin 10 port, and then compression bottom spring 8 and side spring 9, sell lock pin 7 jacking left sides in cylinder 10, and then along with bottom spring 8 and the compression of side spring 9 discharge, the straight crotch of lock pin 7 is ejected left side pin cylinder 10 holes of opening, and stuck, and now the cross support 2 of hinge 5 both sides is positioned at same plane; During folding closing up, by the lower bearing pin 7 straight crotches in end, also will support along scaffold and laterally pass, can unclamp by locked node.
As shown in Fig. 9-10, described end rotary connecting device 4 comprises vertical rod reinforcement casing 11, bolt 12 and arcuation termination 13, described vertical rod reinforcement casing 11 is fixed in door frame vertical rod 14, and vertical rod is strengthened casing 11 and is connected with cross support 2 by bolt 12, and cross support 2 ends are provided with arcuation termination 13.
The vertical rod reinforcement casing 11 of described end rotary connecting device 4 is fixed in door frame vertical rod 14, plays the effect of strengthening vertical rod node section, by bolt 12, with cross support 2, is connected.Vertical hole is opened in cross support 2 ends, is fixed in vertical rod with bolt 12 and strengthens casing 11 positions, makes cross support 2 to rotate around door frame vertical rod 14.There is arcuation termination 13 cross support 2 ends, and the structure of arc makes cross support 2 control within the specific limits around the rotation of door frame vertical rod 14.When scaffold launches, when cross support 2 middle part node automatic locking, arcuation termination 13, end is strengthened casing 11 with vertical rod and is contacted, limited the increase of angle between plane, cross support place and door frame plate plane, now, because the middle part node of scaffold supported on both sides is all locked, and cross support 2 all is limited with the rotation of door frame vertical rod 14 connection rotating shafts, make total be converted to immutable system by unstable system, possessed the ability of bearing larger load as falsework.
It should be pointed out 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.In the present embodiment not clear and definite each ingredient all available prior art realized.
Claims (2)
1. an opening and closing type door shape steel tube scaffold, is characterized in that: comprise a plurality of door frame sheets and the cross support unit that each door frame sheet is connected in twos;
Described cross support unit comprises two cross supports, and the end of each cross support is connected with the vertical rod of two door frame sheets respectively by the end rotary connecting device, and the middle part Nodes of cross support is broken into two parts, and connects by the middle part rotary connecting device;
Described middle part rotary connecting device comprises hinge and self-locking device, and described hinge is arranged on the one side of the middle part Nodes of cross support, and the another side of the middle part Nodes of cross support is installed self-locking device;
Described end rotary connecting device comprises vertical rod reinforcement casing, bolt and arcuation termination, and described vertical rod reinforcement casing is fixed in the door frame vertical rod, and vertical rod is strengthened casing and is connected with cross support by bolt, and the cross support end is provided with the arcuation termination.
2. a kind of opening and closing type door shape steel tube scaffold according to claim 1, it is characterized in that: described self-locking device comprises lock pin, bottom spring, side spring and pin cylinder, described lockpin ventilating is crossed bottom spring and side spring fitting in pin cylinder inside, the end of lock pin is provided with straight crotch, the outside is curved, and the pin cylinder offers hole corresponding to the straight crotch position of bearing pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310393474.2A CN103437539B (en) | 2013-09-03 | 2013-09-03 | A kind of opening and closing type gate steel pipe scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310393474.2A CN103437539B (en) | 2013-09-03 | 2013-09-03 | A kind of opening and closing type gate steel pipe scaffold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103437539A true CN103437539A (en) | 2013-12-11 |
| CN103437539B CN103437539B (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310393474.2A Active CN103437539B (en) | 2013-09-03 | 2013-09-03 | A kind of opening and closing type gate steel pipe scaffold |
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| Country | Link |
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| CN (1) | CN103437539B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605139A (en) * | 2017-09-30 | 2018-01-19 | 苏州瑞宣达金属制品有限公司 | A kind of gray scaffold |
| CN112054464A (en) * | 2020-09-17 | 2020-12-08 | 江苏方洋能源科技有限公司 | High-voltage power line crossing frame for overhead line moving and reforming construction |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07207923A (en) * | 1994-01-18 | 1995-08-08 | Kajima Corp | Handrail for end frame of framed scaffold |
| JPH10280669A (en) * | 1997-04-08 | 1998-10-20 | Japan Steels Internatl Kk | Scaffolding unit |
| CN2693867Y (en) * | 2004-02-24 | 2005-04-20 | 梁苏珊 | Gate steel pipe scaffold |
| KR20060007579A (en) * | 2004-07-20 | 2006-01-26 | 호리 엔지니어링 가부시키가이샤 | Portable scaffolding base |
| CN2773238Y (en) * | 2005-01-18 | 2006-04-19 | 章晓东 | Easily movable and collapsible scaffold |
| CN201053198Y (en) * | 2007-04-20 | 2008-04-30 | 银川高盟机械有限公司 | Folding scaffold |
| CN203487762U (en) * | 2013-09-03 | 2014-03-19 | 南京工业大学 | Opening and closing type door-shaped steel pipe scaffold |
-
2013
- 2013-09-03 CN CN201310393474.2A patent/CN103437539B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07207923A (en) * | 1994-01-18 | 1995-08-08 | Kajima Corp | Handrail for end frame of framed scaffold |
| JPH10280669A (en) * | 1997-04-08 | 1998-10-20 | Japan Steels Internatl Kk | Scaffolding unit |
| CN2693867Y (en) * | 2004-02-24 | 2005-04-20 | 梁苏珊 | Gate steel pipe scaffold |
| KR20060007579A (en) * | 2004-07-20 | 2006-01-26 | 호리 엔지니어링 가부시키가이샤 | Portable scaffolding base |
| CN2773238Y (en) * | 2005-01-18 | 2006-04-19 | 章晓东 | Easily movable and collapsible scaffold |
| CN201053198Y (en) * | 2007-04-20 | 2008-04-30 | 银川高盟机械有限公司 | Folding scaffold |
| CN203487762U (en) * | 2013-09-03 | 2014-03-19 | 南京工业大学 | Opening and closing type door-shaped steel pipe scaffold |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605139A (en) * | 2017-09-30 | 2018-01-19 | 苏州瑞宣达金属制品有限公司 | A kind of gray scaffold |
| CN112054464A (en) * | 2020-09-17 | 2020-12-08 | 江苏方洋能源科技有限公司 | High-voltage power line crossing frame for overhead line moving and reforming construction |
| CN112054464B (en) * | 2020-09-17 | 2021-07-23 | 江苏方洋能源科技有限公司 | High-voltage power line crossing frame for overhead line moving and reforming construction |
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| Publication number | Publication date |
|---|---|
| CN103437539B (en) | 2016-01-13 |
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