CN111335609B - Clamping type conversion unloading device for hanging scaffold - Google Patents
Clamping type conversion unloading device for hanging scaffold Download PDFInfo
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- CN111335609B CN111335609B CN202010315378.6A CN202010315378A CN111335609B CN 111335609 B CN111335609 B CN 111335609B CN 202010315378 A CN202010315378 A CN 202010315378A CN 111335609 B CN111335609 B CN 111335609B
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- scaffold
- conversion
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a clamping type conversion unloading device for a suspended scaffold, which comprises a plurality of groups of parallel conversion beams, wherein one end of each conversion beam is fixed on a constructed structural beam, and the other end of each conversion beam is cantilevered to the outer side of the scaffold; the conversion beam is provided with locking unloading parts at positions corresponding to the inner vertical rod and the outer vertical rod of the scaffold, each locking unloading part comprises one or two groups of clamping block groups, each group of clamping block group comprises two clamping blocks which are fixed on webs of two C-shaped steel respectively, one surface of each clamping block is fixed on the C-shaped steel, the other surface of each clamping block is an arc-shaped concave surface, the concave surfaces of the two clamping blocks are opposite, the clamping blocks are clamped on the vertical rods of the scaffold, and the two clamping blocks are locked and fixed through bolts. The invention transfers the scaffold load above the clamping part of the transfer beam to the transfer beam and the steel pull rod thereof, and then unloads the scaffold load to the structural beam or the column wall through the transfer beam and the steel pull rod thereof, thereby avoiding various hidden dangers caused by overhigh scaffold under the temporary working condition in the building process.
Description
Technical Field
The invention belongs to the field of building construction, and particularly relates to the field of erection and support of a suspended scaffold.
Background
The suspended scaffold is a simple facility used in a building and is divided into two types of cantilever in each layer and cantilever in multiple layers. The method for building each layer by picking up is that the bottom of the vertical pole is pushed against the building parts such as floor slabs, beams or wall bodies, after the vertical pole is fixed in an outward inclining way, the cross bar and the scaffold board are built on the upper part of the vertical pole to form a construction layer, the construction layer is one layer high, and after the vertical pole is turned to the upper layer, the scaffold is built again to provide the construction of the upper layer. The multilayer overhanging erection method is characterized in that a full-height scaffold is divided into a plurality of sections, the erection height of each section is not more than 20m, the overhanging beam or the overhanging frame is used as a scaffold foundation to carry out subsection overhanging and subsection erection of the scaffold, the scaffold with the height of more than 50m can be erected by the method, and the outer vertical surface of the suspended scaffold needs to be fully provided with a cross brace.
According to the safety technical specification of the construction fastener type steel pipe scaffold JGJ-130 and 2011, the outer end of each section steel cantilever beam of the suspended scaffold is preferably provided with a suspension steel wire rope (namely one suspension and one pull). The concrete requirement is that the outer end of each section steel cantilever beam is suitable to be provided with a steel wire rope or a steel pull rod which is obliquely tied with the upper layer of building structure. The steel wire rope and the steel pull rod do not participate in stress calculation of the cantilever steel beam.
The problem that exists in the actual construction is that when the multilayer is set up by overhanging, before the superstructure is not completely constructed, the scaffold of the lower section is used as the temporary foundation, and after the construction of the corresponding structural beam is completed, the cantilever beam is arranged on the structural beam to be used as the foundation of the upper section scaffold. However, in this period of time, the height of the scaffold actually exceeds the designed height, and a great safety hazard exists.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a clamping type conversion unloading device for a suspended scaffold, which is used for converting the support of an upper-section scaffold to a lower-layer constructed structural beam before the cantilever beam foundation of the upper-section scaffold is not completely constructed.
The technical scheme is as follows: the clamping type conversion unloading device for the suspended scaffold comprises a plurality of groups of parallel conversion beams, wherein each group of conversion beams comprises two U-shaped steels with opposite openings, and the distance between the two U-shaped steels is larger than the diameter of a vertical rod of the scaffold;
one end of the conversion beam is fixed on the constructed structural beam, and the other end of the conversion beam is cantilevered to the outer side of the scaffold;
the locking unloading part is arranged at the position, corresponding to the inner vertical rod and the outer vertical rod of the scaffold, on the transfer beam and comprises one or two groups of clamping block groups, each group of clamping block group consists of two clamping blocks which are respectively fixed on webs of two U-shaped steel, one surface of each clamping block is fixed on the U-shaped steel, the other surface of each clamping block is an arc-shaped concave surface, the concave surfaces of the two clamping blocks are opposite, the clamping blocks are clamped on the vertical rods of the scaffold, and the two clamping blocks are locked and fixed through bolts.
According to a further preferable technical scheme, the two U-shaped steels of each group of conversion beams are locked and fixed through fixing bolts, and the fixing bolts penetrate through web plates of the two U-shaped steels and are locked through nuts.
Preferably, two groups of clamping block sets are arranged on the transfer beam at positions corresponding to the inner vertical rod and the outer vertical rod of the scaffold, and the two groups of clamping block sets are arranged up and down.
Preferably, two steel pipe fasteners are specially arranged on the inner upright post and the outer upright post of the clamping part respectively, the tightening torque meets the standard requirement, and the two steel pipe fasteners and the upper flange of the conversion beam are tightly propped to transfer force.
Preferably, the conversion beam is provided with a group of hanging block groups, each hanging block group comprises two hanging blocks which respectively penetrate through wing plates of the two U-shaped steels, and the suspension steel bars are connected with the hanging blocks to suspend the conversion beam onto the upper-layer constructed structural beam.
Preferably, a cushion block is arranged between the hanging block and the web plate of the U-shaped steel, and the hanging block is welded with the web plate of the U-shaped steel into a whole through the cushion block.
Preferably, the transfer beam is positioned at the lower two layers of the cantilever beam of the upper-section scaffold to be erected.
Has the advantages that: according to the invention, before the cantilever beam foundation of the upper section scaffold is not completely constructed, a plurality of groups of parallel conversion beams are cantilevered outside a constructed structural beam, each group of conversion beams comprises two C-shaped steels with opposite openings, the distance between the two C-shaped steels is larger than the diameter of the upright of the scaffold, the two C-shaped steels are respectively positioned at two sides of the upright of the scaffold, locking and unloading parts are arranged at positions on the conversion beams corresponding to the inner upright and the outer upright of the scaffold, the upright is clamped by the locking and unloading parts, two steel pipe fasteners are respectively and specially arranged on the inner upright and the outer upright of the clamping part, the tightening torque reaches the standard requirement, and the two steel pipe fasteners and the upper flange of the conversion beam are tightly propped to transfer force. The load of the scaffold is converted to the conversion beam and the steel bar pull rod arranged on the conversion beam, and then the load is unloaded to the conversion beam and the structural beam on the layer where the steel bar pull rod is arranged through the conversion beam and the steel bar pull rod arranged on the conversion beam, so that the load transmitted by the front scaffold without the pull rod on the upper section is converted to the structural beam on the lower layer which is constructed. Meanwhile, the invention can also be used as an unloading device for various ground falling frames and cantilever frames.
Drawings
Fig. 1 is an overall view of a suspended scaffolding of the present invention;
FIG. 2 is a partial view of the position of the clamp-on unloader in FIG. 1 at A;
FIG. 3 is a schematic structural view of a locking and unloading part of the present invention;
FIG. 4 is a sectional view of a locking relief portion of the present invention;
FIG. 5 is a schematic view of the suspension block set of the present invention;
in the figure, a 1-conversion beam, a 2-vertical rod, a 3-locking unloading part, a 3 a-clamping block, a 3 b-locking bolt, a 3 c-steel pipe fastener, a 4-hanging block group, a 4 a-hanging block and a 4 b-cushion block.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.
Example (b): the utility model provides a hang centre gripping formula conversion unloading device for scaffold, includes multiunit parallel shifting beam 1, and shifting beam 1 is located the lower two-layer of the cantilever beam of waiting to set up upper segment scaffold. And the suspension system suspends the conversion beam 1 to the next layer of the suspension beam to be arranged for supporting the upper-section scaffold.
Every group transfer beam 1 includes two U shaped steel that the opening carried on the back mutually, and the interval between two U shaped steel is greater than the pole setting 2 diameters of scaffold frame, and two U shaped steel are located the both sides of pole setting 2 respectively. One end of the transfer beam 1 is fixed on the structural beam which is constructed, and the other end of the transfer beam is cantilevered to the outer side of the scaffold. The two U-shaped steels of each group of conversion beams 1 are locked and fixed through fixing bolts, and the fixing bolts penetrate through webs of the two U-shaped steels and are locked through nuts.
The conversion beam 1 is provided with a locking unloading part 3 corresponding to the inner vertical rod 2 and the outer vertical rod 2 of the scaffold, the locking unloading part 3 comprises two groups of clamping blocks which are arranged up and down, each group of clamping blocks consists of two clamping blocks 3a fixed on the webs of the two U-shaped steels respectively, one surface of each clamping block 3a is fixed on the U-shaped steel, the other surface of each clamping block is an arc-shaped concave surface, the concave surfaces of the two clamping blocks 3a are opposite, the clamping blocks are clamped on the vertical rods 2 of the scaffold, and the two clamping blocks 3a are locked and fixed through locking bolts 3 b. Two steel pipe fasteners 3c are respectively arranged on the inner upright rod and the outer upright rod of the clamping part, the tightening torque meets the standard requirement, and the two steel pipe fasteners 3c are tightly propped against the upper flange of the conversion beam to transfer force.
A group of hanging block groups 4 are arranged on the conversion beam 1, each hanging block group 4 comprises two hanging blocks 4a which respectively penetrate through wing plates of the two U-shaped steels, a cushion block 4b is arranged between each hanging block 4a and a web plate of the U-shaped steel, each hanging block 4a is welded with the web plate of the U-shaped steel into a whole through the cushion block 4b, and a suspension system is connected with the hanging blocks 4a to suspend the conversion beam 1 on a structural beam which is constructed on the upper layer.
As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A clamping type conversion unloading device for hanging scaffolds is characterized in that,
the scaffold comprises a plurality of groups of parallel conversion beams, wherein each group of conversion beams comprises two U-shaped steels with opposite openings, and the distance between the two U-shaped steels is greater than the diameter of an upright of the scaffold;
one end of the conversion beam is fixed on the constructed structural beam, and the other end of the conversion beam is cantilevered to the outer side of the scaffold;
the conversion beam is provided with locking and unloading parts at positions corresponding to the inner vertical rod and the outer vertical rod of the scaffold, each locking and unloading part comprises one group or two groups of clamping block groups, each group of clamping block groups consists of two clamping blocks which are respectively fixed on webs of two U-shaped steels, one surface of each clamping block is fixed on the U-shaped steel, the other surface of each clamping block is an arc-shaped concave surface, the concave surfaces of the two clamping blocks are opposite and clamped on the vertical rods of the scaffold, and the two clamping blocks are locked and fixed through bolts;
two groups of clamping block groups are arranged on the conversion beam at positions corresponding to the inner vertical rod and the outer vertical rod of the scaffold, and the two groups of clamping block groups are arranged up and down; two steel pipe fasteners are respectively arranged on the inner vertical rod and the outer vertical rod of the clamping part, the tightening torque meets the standard requirement, and the two steel pipe fasteners and the upper flange of the conversion beam are tightly propped to transfer force.
2. A clamping type conversion unloading device for a suspended scaffold as claimed in claim 1, wherein the two U-shaped steels of each group of conversion beams are locked and fixed by fixing bolts which pass through the webs of the two U-shaped steels and are locked by nuts.
3. The clamping type conversion unloading device for the suspended scaffold as claimed in claim 1, wherein a set of hanging block set is provided on the conversion beam, the hanging block set comprises two hanging blocks which respectively pass through the wing plates of the two U-shaped steel, and the suspension steel bar is connected with the hanging blocks to suspend the conversion beam to the upper constructed structural beam.
4. The clamping type conversion unloading device for the suspended scaffold as claimed in claim 3, wherein a cushion block is arranged between the hanging block and the web plate of the U-shaped steel, and the hanging block is welded with the web plate of the U-shaped steel into a whole through the cushion block.
5. The clamping type conversion unloading device for the suspended scaffold as claimed in claim 1, wherein the conversion beam is positioned at the lower two layers of the cantilever beam of the upper stage scaffold to be erected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010315378.6A CN111335609B (en) | 2020-04-21 | 2020-04-21 | Clamping type conversion unloading device for hanging scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010315378.6A CN111335609B (en) | 2020-04-21 | 2020-04-21 | Clamping type conversion unloading device for hanging scaffold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111335609A CN111335609A (en) | 2020-06-26 |
| CN111335609B true CN111335609B (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010315378.6A Active CN111335609B (en) | 2020-04-21 | 2020-04-21 | Clamping type conversion unloading device for hanging scaffold |
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| CN (1) | CN111335609B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982935B (en) * | 2021-03-03 | 2021-10-26 | 淮安市博彦土木工程科学研究院有限公司 | Pull-up scaffold for wide-scene balcony and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4702939B2 (en) * | 2005-09-08 | 2011-06-15 | 株式会社国元商会 | Scaffold plate support bracket |
| CN103243900B (en) * | 2013-05-13 | 2015-05-13 | 蒙理明 | Wall connecting assembly of steel pipe scaffold |
| CN104153564A (en) * | 2014-06-11 | 2014-11-19 | 安徽长青电子机械（集团）有限公司 | Scaffold connecting piece |
| CN204001650U (en) * | 2014-08-15 | 2014-12-10 | 杭州通达集团有限公司 | Overhanging scaffold for building |
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2020
- 2020-04-21 CN CN202010315378.6A patent/CN111335609B/en active Active
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Denomination of invention: A clamping type conversion and unloading device for hanging scaffolding Effective date of registration: 20230620 Granted publication date: 20220712 Pledgee: Huai'an Branch of Postal Savings Bank of China Co.,Ltd. Pledgor: HUAI'AN BOYAN CIVIL ENGINEERING SCIENCE RESEARCH INSTITUTE Co.,Ltd. Registration number: Y2023980044909 |