CN207363228U - Fix self-locking type steel pipe scaffold - Google Patents

Fix self-locking type steel pipe scaffold Download PDF

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Publication number
CN207363228U
CN207363228U CN201721437115.2U CN201721437115U CN207363228U CN 207363228 U CN207363228 U CN 207363228U CN 201721437115 U CN201721437115 U CN 201721437115U CN 207363228 U CN207363228 U CN 207363228U
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China
Prior art keywords
upright bar
steel pipe
type steel
scissors
disk
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CN201721437115.2U
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Chinese (zh)
Inventor
许龙迪
王振兴
王卫新
刘毅夫
彭景祥
张皞
孙磊
魏燕
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BEIJING URBAN CONSTRUCTION NORTH CONSTRUCTION Co Ltd
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BEIJING URBAN CONSTRUCTION NORTH CONSTRUCTION Co Ltd
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Abstract

The utility model discloses one kind to fix self-locking type steel pipe scaffold.The fixing self-locking type steel pipe scaffold includes:Upright bar, its one end are equipped with enlarged footing, and the periphery of the enlarged footing is distributed along the circumference with multiple bolts hole, and the upright bar of fixed spreading connection is tightened by the first bolt;The periphery spacing of the upright bar is fixed with the disk with jack;Horizon bar, its both ends are respectively provided with horizontal opening clamp, which is equipped with the horizontal pin being connected with the disk of the upright bar;And bridging, including:Brace, scissors opening clamp and scissors pin, the brace are fixed by the second bolt and scissors opening clamp, and after the scissors opening clamp extend into the disk of adjacent upright bar, scissors pin insertion disk is fixed.The fixing self-locking type steel pipe scaffold has higher security performance and the convenience of operation, and realizes the purpose for the usage amount for reducing live circulation material.

Description

Fix self-locking type steel pipe scaffold
Technical field
Scaffold field is the utility model is related to, it is more particularly to a kind of to fix self-locking type steel pipe scaffold.
Background technology
In construction, scaffold is a kind of very important construction tool.In whole construction period, scaffold is wide In the general each stage being applied in construction, have the characteristics that usage time is long, frequency of use is high.Scaffold not only with construction quality It is closely bound up, and the factors such as construction safety, construction speed, construction cost are also affected, so scaffold pattern is chosen to An important factor for for Project in Operation success or failure.
At present, common scaffold type is divided into China's construction:Fastener type steel pipe scaffold, bowl fastening type steel pipe feet hand Frame, disc type steel pipe scaffold, wheel button steel pipe scaffold, door-type scaffold.Wherein, the interior external scaffolding in construction and Mould bases, still with using based on fastener type steel pipe scaffold, now still occupying the construction market share of more than half, but this foot hand Frame technology falls behind relatively, exists and takes a lot of work material in construction, and security is poor, construct set up the time it is long the shortcomings of, prosperity abroad Country seldom uses.Such as conventional fastener formula steel pipe scaffold upright bar connection mode is attached using sleeve couple, but During conventional engineer application, easily there is deflection in sleeve couple junction, and when top is further applied load, junction produces Upper and lower steel pipe bending unstability, eventually causes scaffold total Collapse and triggers security incident, be partial to for engineering structure at this stage Situations such as floor height is high, and sectional dimension of members is big, and structural span is big, and construction loads is big, fastener type steel pipe scaffold be increasingly difficult to Meet construction requirement.Conventional fastener formula steel pipe scaffold horizon bar is attached with upright bar node using right-angle coupler.It is horizontal horizontal Bar mainly provides horizontal direction constraint for upright bar, reduces the computational length of upright bar, improves vertical bearing capacity.Due to horizon bar Across must not be less than three across upright bar spacing, horizontal pole length is generally 4m or so, and when installation needs two people to install fixation, water at the same time The spreading of flat bar equally uses sleeve couple, and constructing operation flexibility is more inconvenient.Conventional fastener formula steel pipe scaffold bridging The mode of setting up is to be fixedly connected using common steel tube and rotary buckle with upright bar, and length of steel pipe is generally 6m, bridging Steel pipe is fixed with fastener for connection using right-angle coupler overlap joint, and the lap of splice cannot be less than 1m, and 3 turn buckles of spaced set Part.Since length of steel pipe is longer, worker is fixed up during setting up and relatively bothers, and needs according to actual upright bar root Number, upright bar spacing and fixed position is selected per high layer by layer, construction efficiency is high.
In the construction safety accident of serious consequence and worse social influence was caused in the past, Scaffold Collapse Accident in occupation of Larger ratio.With the continuous development of economic construction of China, while also how to be improved with the fast development of building trade Security, convenience and the economy of live scaffold, it is ensured that in production process of constructing, effectively control scaffold to trigger construction The probability of security incident, not only Danger source in the case of the lowest class, moreover it is possible to which the work personnel in construction that improve operate Convenience, be current important topic in the urgent need to address.
The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the utility model, and It is not construed as recognizing or implies that the information structure has been existing well known to persons skilled in the art in any form Technology.
Utility model content
The purpose of this utility model is to provide a kind of simple and reasonable fixing self-locking type steel pipe scaffold, the fixing Self-locking type steel pipe scaffold to scaffold system by carrying out reasonable mechanical analysis, respectively to scaffold material, upright bar overlap joint side Formula, the connection mode of cross bar host node and bridging arrangement with the rational design optimization such as be connected, make this Novel pin hand with compared with High security performance and the convenience of operation, and realize the purpose for the usage amount for reducing live circulation material.
To achieve the above object, the utility model provides a kind of fixing self-locking type steel pipe scaffold, including:Upright bar, its One end is equipped with enlarged footing, and the periphery of the enlarged footing is distributed along the circumference with multiple bolts hole, and fixed spreading is tightened by the first bolt The upright bar of connection;The periphery spacing of the upright bar is fixed with the disk with jack;Horizon bar, its both ends are respectively provided with level and open Mouth clamp, the horizontal opening clamp are equipped with the horizontal pin being connected with the disk of the upright bar;And bridging, including:Tiltedly Bar, scissors opening clamp and scissors pin, the brace are fixed by the second bolt and scissors opening clamp, the scissors opening After clamp extend into the disk of adjacent upright bar, scissors pin insertion disk is fixed.
Preferably, in above-mentioned technical proposal, the periphery of upright bar is welded with the disk with jack every 500mm spacing.
Preferably, in above-mentioned technical proposal, multiple bolts hole are opened at the end 50mm away from upright bar.
Preferably, in above-mentioned technical proposal, further include:Base assembly and jacking component, the base assembly are arranged on vertical The bottom of bar, specifically includes:Adjustable base and the first adjusting nut;The jacking component is arranged on the top of upright bar, specific bag Include:Adjustable jack and the second adjusting nut.
Preferably, in above-mentioned technical proposal, upright bar, horizon bar, bridging, the material of base assembly and jacking component are adopted Use Q345.
Compared with prior art, the utility model has the advantages that:The fixing self-locking type steel pipe scaffold passes through To scaffold system carry out reasonable mechanical analysis, respectively to scaffold material, upright bar overlapping mode, cross bar host node connection side Formula and bridging arrangement optimize with the rational design such as be connected, this Novel pin hand is had higher security performance and is operated just Victory, and realize the purpose for the usage amount for reducing live circulation material.
1st, scaffolding performance:
The fixing self-locking type steel pipe scaffold uses the more preferable Q345 steel of mechanical property, in the case of identical stress, Increase scaffold upright rod arrangement spacing, reduce scaffold usage amount, realize the reduction of construction cost.
2nd, upright bar spreading connects
The mode of the upright bar spreading of the fixing self-locking type steel pipe scaffold adds the form of bolt fixation for end expanding termination, Ensure the effective fixed of upright bar spreading, when setting up template support frame body, upright bar progress can only be left with premature removal horizon bar Support, improves the turnover utilization rate of material.
3rd, horizon bar and upright bar node self-locking connect
The fixing self-locking type steel pipe scaffold can be relied on when being further applied load on frame body or dynamic load vibrations frame body occur The vertical gravity of pin on clamp and voluntarily fixed locking, be not in because it is fixed loosely weaken frame body bearing capacity and Security performance.
4th, bridging sets up mode
The fixing self-locking type steel pipe scaffold uses dedicated bridging form, compared with existing common scaffold, fixes The bridging of self-locking type steel pipe scaffold is arranged in the plane of upright bar and cross bar, more rigid in plane, can be carried for frame body For stronger bearing capacity.
Brief description of the drawings
Fig. 1 is the structure diagram of the fixing self-locking type steel pipe scaffold of the utility model.
Embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail, it is to be understood that this practicality New protection domain and from the limitation of embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other members Part or other parts.
As shown in Figure 1, specifically included according to the fixing self-locking type steel pipe scaffold of the utility model embodiment:It is vertical Bar 1, horizon bar 2, bridging 3, base assembly and jacking component.Wherein, between the upright bar 1 of the fixing self-locking type steel pipe scaffold Spreading mode add the form that bolt fixes for end expanding termination, ensure the effective fixed of upright bar spreading, setting up template branch During support body, it can only leave upright bar with premature removal horizon bar and be supported, improve the turnover utilization rate of material.Horizon bar 2 with The node of upright bar 1 can be further applied load or be moved on frame body using the self-locking connection of the pin insertion disk on clamp When load shakes frame body, by the vertical gravity of pin on clamp, voluntarily fixed locking, is not in because fixing loosely And weaken frame body bearing capacity and security performance.In the same plane, flat in-plane stiffness is more for bridging 3 and upright bar and horizontal cross bar Greatly, bearing capacity is stronger, and stronger bearing capacity can be provided for frame body.
Specifically, one end of upright bar 1 is equipped with enlarged footing 12, and the periphery of the enlarged footing is distributed along the circumference with multiple bolts Hole, when enlarged footing one end is inserted into steel pipe, is carried out tightening fixation using bolt, ensures the effective fixed of upright bar spreading, disappear Except the deviation occurred by gap, when setting up template support frame body, upright bar can only be left with premature removal horizon bar, improved The turnover utilization rate of material.The spreading connection of the upright bar 1 uses the fixed form similar with pulley-clip scaffold, and avoids When the bottom scaffold upright rod of existing pulley-clip scaffold is inserted into enlarged footing, although can ensure effectively taking for upright bar spreading Connect, but cause the situation of weak vibrations occur between two upright bars there are gap between upright bar and enlarged footing, can not be completely secured The absolute of upright bar is fixed.
The periphery spacing of upright bar 1 is welded with the disk 11 with jack, for being connected with horizon bar 2, it is preferred that upright bar 1 Periphery is welded with the disk with jack every 500mm spacing, it is preferred that multiple bolts hole are opened in the 50mm away from the end of upright bar 1 Place.
Base assembly is arranged on the bottom of upright bar 1, specifically includes:4 and first adjusting nut 5 of adjustable base.Jacking component The top of upright bar 1 is arranged on, is specifically included:6 and second adjusting nut 7 of adjustable jack.
The both ends of horizon bar 2 are respectively provided with horizontal opening clamp 21, which is equipped with horizontal pin, is pacifying During filling use, after the horizontal opening clamp of horizon bar 2 extend into the disk of upright bar, horizontal pin insertion disk is consolidated It is fixed, operate very convenient.When being further applied load on frame body or dynamic load vibrations frame body occur, even if horizon bar connects with upright bar Contact is fixed and not shaken tightly, and the pin on clamp can also rely on vertical gravity and voluntarily fix locking, will not drop The effect of contraction of low-level bar, goes out to ensure carrying and the security performance of frame body.Avoid existing design of coupler scaffold horizon bar with Connection between upright bar uses right-angle coupler, and the connection between horizon bar and horizon bar uses sleeve couple, meeting during setting up Influenced be subject to horizontal pole length, it is not very convenient that constructing operation, which is got up,.Existing total sub-semigroup is it also avoid, at node After pinching into lower bowl buckle using horizontal cross bar connector, tapping upper bowl buckle using hammer makes its rotation tighten fixation, but is using During easily there is upper bowl buckle and twist solid not tight situation, when frame body stress, horizontal cross bar cannot provide it is enough it is horizontal about Beam force, and then influence the carrying stress-bearing capability of whole frame body.
The connection mode of bridging 3 uses the connection mode being buckled with horizon bar similar, including:Brace, scissors opening Clamp 31 and scissors pin.Brace is fixed by bolt and scissors opening clamp, and scissors opening clamp extend into adjacent upright bar After disk, scissors pin insertion disk is fixed, bridging 3 simply connects adjacent upright bar and horizon bar, bridging be with Upright bar and horizontal cross bar are in the same plane, more rigid in plane, and bearing capacity is stronger, operate more convenient, universal flexible, no Influenced by upright bar disk.Avoid existing design of coupler scaffold bridging and be fixed on upright bar side, bridging be with upright bar and Not in the same plane, flat in-plane stiffness is small for horizontal cross bar, carries force difference.Existing fastener type steel pipe scaffold is avoided using rotation Turn fastener to be fixedly connected bridging steel pipe and upright bar, since bridging is generally using the steel pipe of 6m or so, needed when setting up More upright bars and Duo Gen horizon bars are crossed over, it is more inconvenient to operate.Existing bowl fastening type steel pipe scaffold is avoided not match somebody with somebody Dedicated bridging is put, bridging arrangement is consistent with fastener type steel pipe scaffold, but due to being influenced be subject to node bowl buckle, Setting up for bridging may hide bowl buckle node, and it is more inconvenient to put up.
Preferably, the upright bar 1 of the fixing self-locking type steel pipe scaffold, horizon bar 2, bridging 3, base assembly and jacking group The material of part uses Q345, and hot-dip galvanizing technique processing is carried out on scaffold component and fitting surface, and raising is used in turn the service life. Compared with Q235 steel pipes, Q345 steel pipes have having great advantage in terms of bearing load, can on the premise of same load is born Expand upright bar arrangement spacing, reduce the usage amount of the scaffold circulation material at scene.And the life of fastener type steel pipe scaffold material Production. art is mainly the technical merit before past 20 years, with the continuous improvement of high-quality steel manufacturing technology, the steel of Q345 Increasingly popularize.
To sum up, the fixing self-locking type steel pipe scaffold to scaffold system by carrying out reasonable mechanical analysis, respectively to foot Hand cradle material, upright bar overlapping mode, the connection mode of cross bar host node and bridging arrangement make with the rational design optimization such as being connected This Novel pin hand has higher security performance and the convenience of operation, and realizes the usage amount for reducing live circulation material Purpose.
The description of the foregoing specific exemplary embodiment to the utility model be in order to illustrate and illustration purpose.These Description is not wishing to for the utility model to be defined to disclosed precise forms, and it will be apparent that according to the above instruction, can carry out Many change and variations.The purpose of selecting and describing the exemplary embodiment is that explain the certain principles of the utility model And its practical application, so that those skilled in the art can realize and utilize a variety of examples of the utility model Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shape Formula is limited.

Claims (5)

1. one kind fixes self-locking type steel pipe scaffold, it is characterised in that including:
Upright bar, its one end are equipped with enlarged footing, and the periphery of the enlarged footing is distributed along the circumference with multiple bolts hole, is twisted by the first bolt Fasten the upright bar of spreading connection;The periphery spacing of the upright bar is fixed with the disk with jack;
Horizon bar, its both ends are respectively provided with horizontal opening clamp, which is equipped with connects with the disk of the upright bar The horizontal pin connect;And
Bridging, including:Brace, scissors opening clamp and scissors pin, the brace pass through the second bolt and scissors open card Head is fixed, and after the scissors opening clamp extend into the disk of adjacent upright bar, scissors pin insertion disk is fixed.
2. it is according to claim 1 fixing self-locking type steel pipe scaffold, it is characterised in that the periphery of the upright bar every 500mm spacing is welded with the disk with jack.
3. fixing self-locking type steel pipe scaffold according to claim 1, it is characterised in that the multiple bolt hole is opened in At end 50mm away from upright bar.
4. fixing self-locking type steel pipe scaffold according to claim 1, it is characterised in that further include:Base assembly and top Component is held in the palm, the base assembly is arranged on the bottom of upright bar, specifically includes:Adjustable base and the first adjusting nut;The jacking Component is arranged on the top of upright bar, specifically includes:Adjustable jack and the second adjusting nut.
5. fixing self-locking type steel pipe scaffold according to claim 4, it is characterised in that the upright bar, horizon bar, scissors The material of support, base assembly and jacking component uses Q345.
CN201721437115.2U 2017-10-27 2017-10-27 Fix self-locking type steel pipe scaffold Active CN207363228U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721437115.2U CN207363228U (en) 2017-10-27 2017-10-27 Fix self-locking type steel pipe scaffold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721437115.2U CN207363228U (en) 2017-10-27 2017-10-27 Fix self-locking type steel pipe scaffold

Publications (1)

Publication Number Publication Date
CN207363228U true CN207363228U (en) 2018-05-15

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Application Number Title Priority Date Filing Date
CN201721437115.2U Active CN207363228U (en) 2017-10-27 2017-10-27 Fix self-locking type steel pipe scaffold

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107654057A (en) * 2017-10-27 2018-02-02 北京城建北方建设有限责任公司 Fix self-locking type steel pipe scaffold

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107654057A (en) * 2017-10-27 2018-02-02 北京城建北方建设有限责任公司 Fix self-locking type steel pipe scaffold

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