CN115059284A - Two-layer I-steel connecting mechanism of overhanging scaffold foundation - Google Patents
Two-layer I-steel connecting mechanism of overhanging scaffold foundation Download PDFInfo
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- CN115059284A CN115059284A CN202210751639.8A CN202210751639A CN115059284A CN 115059284 A CN115059284 A CN 115059284A CN 202210751639 A CN202210751639 A CN 202210751639A CN 115059284 A CN115059284 A CN 115059284A
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- steel
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- positioning block
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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
- E04G7/00—Connections between parts of the scaffold
- E04G7/02—Connections between parts of the scaffold with separate coupling elements
- E04G7/06—Stiff scaffolding clamps for connecting scaffold members of common shape
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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
- E04G3/18—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by cantilevers or other provisions mounted in openings in the building, e.g. window openings
-
- 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)
- Movable Scaffolding (AREA)
Abstract
The utility model provides a two-layer I-steel coupling mechanism of scaffold frame basis encorbelments, a serial communication port, including a pair of card, two sets of screw rod and nut, the card includes the locating piece, the clamping piece, there are two punishments on the perpendicular of locating piece side respectively to lean on the side of two-layer I-steel together, the clamping piece has two and all is provided with the perforation that is used for the screw rod to run through, one of them clamping piece is connected on the higher authority of the perpendicular of locating piece, another clamping piece is connected below the perpendicular of locating piece, the inside portion of clamping piece is the wing, the perforation on the free end of clamping piece overlaps in the projection direction, form and overlap the through hole. Compared with the prior art, the invention has the advantages of simple structure, convenient construction, safety, reliability, no welding construction, no damage to the member and capability of improving the construction speed.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a two-layer I-steel connecting mechanism for an overhanging scaffold foundation.
Background
As shown in fig. 10, in the design and construction of the overhanging scaffold, when two layers of i-beams 1 are used as the lower lifting point of the foundation of the overhanging scaffold, the existing construction technology generally adopts a welding mode to connect the two layers of i-beams 1 which are overlapped up and down at a set included angle, and the existing construction technology needs to be removed after wind welding or cutting and separation by a grinder.
All the above methods need welding construction on an operation layer, sparks generated by welding need to be effectively controlled, fire disasters are avoided, the quality of a welding line is difficult to guarantee when the welding is dismantled, the I-shaped steel 1 is easy to damage, the next investment quality is influenced, and the construction process of connecting the foundation members is slow; in order to be convenient to dismantle and manage, the I-shaped steel 1 is connected without welding, and safety risks are increased.
Disclosure of Invention
The invention aims to provide a two-layer I-steel connecting mechanism of an overhanging scaffold foundation, which can overcome one or more of the defects, has the advantages of simple structure, convenience in construction, safety, reliability, no welding construction, no damage to members and capability of improving the construction speed.
The invention is realized by the following steps:
the clamping piece comprises a pair of clamping pieces butted on two layers of I-shaped steels overlapped together at a set included angle, two sets of screw rods and nuts for fixedly connecting the butted pair of clamping pieces, wherein each clamping piece comprises a positioning block and a clamping piece connected on the positioning block, two positions on a vertical surface of the side surface of the positioning block are respectively leaned against the side edges of the overlapped two layers of I-shaped steels, the clamping pieces are provided with two through holes for the screw rods to penetrate through, one clamping piece is connected on the upper side of the vertical surface of the positioning block, the other clamping piece is connected on the lower side of the vertical surface of the positioning block, the included angle of the two clamping pieces is matched with the included angle between the two layers of I-shaped steels overlapped together, the inner part of the clamping piece connected on the lower side of the vertical surface of the positioning block is a wing which floats out of the top surface of the inverted U-shaped notch of the I-shaped steel on the lower layer, the inner part of the clamping piece connected on the upper side of the vertical surface of the positioning block is a wing which floats out of the bottom surface of the inverted U-shaped notch of the I-shaped steel on the upper layer, the through hole of the free end part of the clamping piece of one clamping piece, connected to the lower edge of the vertical surface of the positioning block and striding over the upper layer of I-shaped steel, is overlapped with the through hole of the free end part of the clamping piece of the other clamping piece, connected to the upper edge of the vertical surface of the positioning block and striding over the lower layer of I-shaped steel in the projection direction to form an overlapped through hole, and the screw penetrates through the overlapped through hole and then is fixed through the nut.
When a double-layer section steel cantilever scaffold foundation is built, the I-steel of the lower layer is fixed on a floor of a lower lifting point, the I-steel of the lower layer floats out of the floor, the I-steel of the upper layer is vertically arranged on the set position of the I-steel of the lower layer which floats out of the floor, then a pair of clamping pieces are clamped on the intersection position of the I-steel of the lower layer and the I-steel of the upper layer, two positions on the vertical surface of the side surface of a positioning block are respectively leaned against the side edges of the two layers of I-steel which are overlapped together, the wings of the two clamping pieces of the clamping pieces respectively extend into the top surface in the inverted U-shaped notch of the I-steel of the lower layer and the bottom surface of the inverted U-shaped notch of the I-steel of the upper layer, a screw rod and a nut fixedly connect the clamping piece of one clamping piece and the clamping piece of the other clamping piece which is positioned in the orthographic projection direction of the clamping piece of the one clamping piece together through an overlapping through hole, so as to fixedly connect the I-steel of the lower layer and the I-steel of the upper layer which are overlapped together at a set angle, thereby completing the connection of the two layers of I-shaped steel for building the foundation of the double-layer shaped steel cantilever scaffold.
Like this, both need not the welding just can build, moreover, fixed connection position can be according to the nimble setting of design needs, and the double-deck shaped steel of scaffold frame is encorbelmented in the dismouting is convenient, to the component not damaged, effectively improves the construction speed.
Preferably, the positioning block is a limiting ring, one end of one clamping piece is hinged to the upper end of the limiting ring, and one end of the other clamping piece is hinged to the lower end of the limiting ring.
When a double-layer section steel cantilever scaffold foundation is built, the I-steel of the lower layer is fixed on a floor of a lower lifting point, the I-steel of the lower layer floats out of the floor, a steel wire rope limiting structure is fixed below the I-steel of the lower layer, the I-steel of the upper layer is arranged at a set position of the I-steel of the lower layer outside the floor at a set included angle, then a pair of clamping pieces are clamped at the intersection position of the I-steel of the lower layer and the I-steel of the upper layer, two clamping pieces of the clamping pieces are swung oppositely, a limiting circular ring of the clamping pieces is leaned against the side edge on the upper surface of the I-steel of the lower layer and the side edge on the lower surface of the I-steel of the upper layer respectively, wings of the two clamping pieces of the clamping pieces respectively extend into the top surface in the inverted U-shaped notch of the I-steel of the lower layer and the bottom surface of the inverted U-shaped notch of the I-steel of the upper layer, a screw rod and a nut fixedly connect the clamping piece of one clamping piece together through a through hole with the other clamping piece positioned in the orthographic projection direction of the one clamping piece, thereby will be with the I-steel fixed connection of the I-steel of the lower floor that stacks together from top to bottom, upper strata of setting for the angle to the completion is built the two-layer I-steel of double-deck shaped steel scaffold foundation of encorbelmenting and is connected.
The pair of clamping pieces are respectively hinged to the upper end and the lower end of the limiting ring in a limiting ring and hinged mode, so that the included angle of the pair of clamping pieces can be flexibly adjusted according to the included angle between the upper layer of I-steel and the lower layer of I-steel, the upper layer of I-steel is fixedly connected with the lower layer of I-steel, and the design requirements of the cantilever scaffold on turning or other application scenes are met.
Preferably, the perforations are arc-shaped and slot-like. The arc-shaped through-groove-shaped through holes are adopted, so that the through holes can be overlapped in the projection direction to form overlapped through holes, and the installation and the fixation are convenient.
Preferably, the wings of the clip extend onto the i-steel side walls. Therefore, the mutual positions of the upper layer I-shaped steel and the lower layer I-shaped steel are stabilized by the positioning action of the wings of the clamping pieces extending to the side walls of the I-shaped steel.
Preferably, the wings extending to the side walls of the i-section steel are turned up and rest on the side walls of the i-section steel. Thus, the positioning function of the wing is enhanced by the deformation elastic force of the wing leaning against the side wall of the I-shaped steel.
Or the included angle of the two layers of stacked I-shaped steel is 90 degrees, two vertical surfaces which are vertical to each other are arranged on the side surface of the positioning block, one clamping piece is vertically fixed on the upper side of one vertical surface of the positioning block, and the other clamping piece is vertically fixed on the lower side of the other vertical surface of the positioning block.
Because most of application occasions, the contained angle of two-layer I-steel that fold together is 90 degrees, adopts the locating piece that is provided with mutually perpendicular's perpendicular to with clamping piece vertical fixation on the perpendicular of locating piece, thereby strengthened the rigidity of card effectively, further guaranteed the firmness of the connection of two-layer I-steel.
Compared with the prior art, the invention has the advantages of simple structure, convenient construction, safety, reliability, no welding construction, no damage to the member and capability of improving the construction speed.
Drawings
Fig. 1 is a schematic structural view of an embodiment 1 of a two-layer i-steel connecting mechanism of an overhanging scaffold foundation of the present invention;
FIG. 2 is a bottom view of one of the cards of FIG. 1;
FIG. 3 is a state diagram of the two-layer I-steel connecting mechanism of the overhanging scaffold foundation of the embodiment 1;
FIG. 4 is a top view of FIG. 3;
fig. 5 is a view showing a state of use of a cantilever scaffold foundation using the two-layer i-steel coupling mechanism of embodiment 1;
FIG. 6 is a schematic structural view of an embodiment 2 of the two-layer I-steel connecting mechanism of the overhanging scaffold base of the present invention;
FIG. 7 is a bottom view of one of the cards of FIG. 6;
fig. 8 is a state view of the two-layer i-beam connection mechanism of the overhanging scaffold foundation of the embodiment 2 of the present invention;
FIG. 9 is a top view of FIG. 8;
fig. 10 is a schematic structural diagram of the prior art.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings and examples:
the first embodiment of the two-layer I-steel connecting mechanism of the overhanging scaffold foundation of the invention, as shown in fig. 1, 2, 3 and 4, comprises a pair of clamping pieces 2 butted on two layers of I-steel 1 overlapped together at a set included angle, two sets of screw rods 3 and nuts 4 for fixedly connecting the butted pair of clamping pieces 2, wherein each clamping piece 2 comprises a positioning block 201 and a clamping piece 202 connected on the positioning block 201, two positions on a vertical surface 203 of the side surface of the positioning block 201 are respectively abutted against the side edges 101 of the two layers of I-steel 1 overlapped together, each clamping piece 202 is provided with two groove-shaped through holes 204 for penetrating through the screw rods 3, one clamping piece 202 is connected on the upper side of the vertical surface 203 of the positioning block 201, the other clamping piece 202 is connected on the lower side of the vertical surface 203 of the positioning block 201, the included angle of the two clamping pieces 202 is matched with the included angle between the two layers of I-steel 1 overlapped together, and the inner part of the clamping piece 202 connected on the lower side of the vertical surface 203 of the positioning block 201 is an inverted U-shaped notch 102 of the I-steel 1 which is floated to the lower layer The inner top surface 103, the inner part of the clip 202 connected to the upper edge of the vertical surface 203 of the positioning block 201 are the wings 205 protruding to the bottom surface 104 in the inverted U-shaped recess 102 of the upper i-steel 1, as shown in fig. 4, wherein a through hole 204 of a card 2 connected to the lower edge of the vertical surface 203 of the positioning block 201 and crossing over the free end 206 of the clip 202 of the upper i-steel 1 overlaps with a through hole 204 of another card 2 connected to the upper edge of the vertical surface 203 of the positioning block 201 and crossing over the free end 206 of the clip 202 of the lower i-steel 1 in the projection direction to form an overlapping through hole a, and the screw 3 is fixed by the nut 4 after passing through the overlapping through hole a.
The included angle of two layers of I-shaped steel 1 which are overlapped together is 90 degrees, two vertical surfaces 203 which are vertical to each other are arranged on the side surface of the positioning block 201, one clamping piece 202 is vertically fixed on the upper side of one vertical surface 203 of the positioning block 201, and the other clamping piece 202 is vertically fixed on the lower side of the other vertical surface 203 of the positioning block 201.
As shown in fig. 5, when the double-layer section steel overhanging scaffold foundation is built, the joist steel 1 at the lower layer is fixed on the floor a of the lower lifting point, the joist steel 1 at the lower layer is enabled to float out of the floor a, the joist steel 1 at the upper layer is vertically arranged at the set position of the joist steel 1 at the lower layer outside the floor a, then a pair of clamping pieces 2 are clamped at the intersection position of the joist steel 1 at the lower layer and the joist steel 1 at the upper layer, as shown in fig. 3 and 4, two vertical surfaces 203 at the side surface of a positioning block 201 are respectively leaned against the side edges of the two layers of the joist steel 1 which are overlapped together, wings 205 of two clamping pieces 202 of the clamping piece 2 respectively extend into the top surface 103 in the inverted U-shaped notch 102 of the joist steel 1 at the lower layer and the bottom surface 104 in the inverted U-shaped notch 102 of the joist steel 1 at the upper layer, a clamping piece 202 of one clamping piece 2 and a clamping piece 202 of the other clamping piece 2 positioned in the orthogonal projection direction of the one clamping piece 2 are fixedly connected together by a screw rod 3 and a nut 4 through the overlapping through a through hole, thereby will be with I-steel 1, the 1 fixed connection of the I-steel on upper strata of the lower floor that stacks together about 90 degrees to the completion is built two-layer I-steel of double-deck shaped steel scaffold foundation of encorbelmenting and is connected.
In the second embodiment of the two-layer i-steel connecting mechanism of the overhanging scaffold foundation of the invention, as shown in fig. 6, 7, 8 and 9, the positioning block 201 is a limiting ring on the basis of the first embodiment, wherein one end of one clamping piece 202 is hinged to the upper end of the limiting ring serving as the positioning block 201, and one end of the other clamping piece 202 is hinged to the lower end of the limiting ring serving as the positioning block 201.
Preferably, the perforations 204 are arc-shaped and slot-like.
Preferably, the wings 205 of the clip 202 extend to the side walls of the i-section steel 1.
Preferably, the wings 205 extending to the side walls of the i-section 1 are turned up and rest against the side walls 106 of the i-section 1.
When a double-layer section steel cantilever scaffold foundation is built, a pair of clamping pieces 2 are clamped at the intersection position of a lower layer I-steel 1 and an upper layer I-steel 1, two clamping pieces 202 of the clamping pieces 2 are relatively swung, so that a limiting ring serving as a positioning block 201 of the clamping pieces 2 is respectively leaned against the side edge 101 on the upper surface of the lower layer I-steel 1 and the side edge 101 on the lower surface of the upper layer I-steel 1, wings 205 of the two clamping pieces 202 of the clamping pieces 2 respectively extend into the top surface 103 in the inverted U-shaped notch 102 of the lower layer I-steel 1 and the bottom surface 105 of the inverted U-shaped notch 102 of the upper layer I-steel 1, a clamping piece 202 of one clamping piece 2 and a clamping piece 202 of the other clamping piece 2 positioned in the orthographic projection direction of the clamping piece 202 of the one clamping piece 2 are fixedly connected together through an overlapping through hole a, and therefore the lower layer I-steel 1 and the upper layer I-steel 1 which are overlapped together at a set angle are fixedly connected together, thereby completing the connection of the two layers of I-shaped steel for constructing the foundation of the double-layer section steel cantilever scaffold.
Claims (7)
1. The utility model provides a two-layer I-steel coupling mechanism of overhanging scaffold basis, a serial communication port, including butt joint a pair of card on two-layer I-steel that fold together with setting for the contained angle, two sets of screw rod and nut that will butt joint a pair of card fixed connection of butt joint, the card includes the locating piece, the clamping piece of connection on the locating piece, there are two punishment on the perpendicular of locating piece side to lean on the side of two-layer I-steel that fold together respectively, the clamping piece has two and all is provided with the perforation that is used for the screw rod to run through, one of them clamping piece is connected in the higher authority of the perpendicular of locating piece, another clamping piece is connected in the lower authority of the perpendicular of locating piece, the contained angle of two clamping pieces matches with the contained angle between two-layer I-steel that fold together, the side portion of the clamping piece of connection in the lower authority of the perpendicular of locating piece is the wing on the top surface of the I-steel that wafts out to the upper authority, the inside portion of the clamping piece of the perpendicular of connecting on the locating piece is the I-steel that wafts out to the upper authority And the through hole on the free end part of the clamping piece of the I-shaped steel crossing the upper layer, connected to the lower edge of the vertical surface of the positioning block, of one clamping piece is overlapped with the through hole on the free end part of the clamping piece of the I-shaped steel crossing the lower layer, connected to the upper edge of the vertical surface of the positioning block, of the other clamping piece in the projection direction to form an overlapped through hole, and the screw penetrates through the overlapped through hole and then is fixed by a nut.
2. The two-layer I-steel connecting mechanism for the overhanging scaffold foundation according to claim 1, wherein the positioning block is a limiting ring, one end of one of the clamping pieces is hinged to the upper end of the limiting ring, and one end of the other clamping piece is hinged to the lower end of the limiting ring.
3. The two-layer i-steel coupling mechanism for an overhanging scaffold foundation of claim 2, wherein the perforations are arc-shaped and slot-shaped.
4. A two-ply i-steel coupler according to claim 2 or 3, wherein the wings of the clip extend to the i-steel side walls.
5. The two-layer I-steel coupling mechanism for an overhanging scaffold foundation of claim 4, wherein the wings extending to the I-steel side walls are raised and rest on the I-steel side walls.
6. The mechanism for connecting two layers of I-beams of an overhanging scaffold foundation according to claim 1, wherein the included angle between the two layers of I-beams which are overlapped together is 90 degrees, two vertical surfaces which are vertical to each other are arranged on the side surface of the positioning block, one clamping piece is vertically fixed on the upper side of one vertical surface of the positioning block, and the other clamping piece is vertically fixed on the lower side of the other vertical surface of the positioning block.
7. The two-layer i-steel coupling mechanism for an overhanging scaffold foundation of claim 6, wherein the perforations are slot-like perforations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210751639.8A CN115059284A (en) | 2022-06-29 | 2022-06-29 | Two-layer I-steel connecting mechanism of overhanging scaffold foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210751639.8A CN115059284A (en) | 2022-06-29 | 2022-06-29 | Two-layer I-steel connecting mechanism of overhanging scaffold foundation |
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| CN115059284A true CN115059284A (en) | 2022-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210751639.8A Pending CN115059284A (en) | 2022-06-29 | 2022-06-29 | Two-layer I-steel connecting mechanism of overhanging scaffold foundation |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0032418A1 (en) * | 1980-01-07 | 1981-07-22 | Masaya Nagashima | Method and means for releasably rigidly fastening together beams and like profiles |
| JPS5697613A (en) * | 1980-07-07 | 1981-08-06 | Masaya Nagashima | Fitting metals for shaped steel |
| JP2000170267A (en) * | 1998-12-08 | 2000-06-20 | Kiriishigumi:Kk | H-steel material assembling clamp |
| JP2002180553A (en) * | 2000-12-13 | 2002-06-26 | Kiwa Kogyo:Kk | Method and device for joining receiving frame of template |
| US20020168220A1 (en) * | 2001-05-10 | 2002-11-14 | Stasney Wilson Frank | Novel clamping assembly |
| JP2004340232A (en) * | 2003-05-15 | 2004-12-02 | Daifuku Co Ltd | Clamping device |
| JP2004340235A (en) * | 2003-05-15 | 2004-12-02 | Nakanishi Metal Works Co Ltd | Coupling metal piece for shape steel |
| JP2006207308A (en) * | 2005-01-31 | 2006-08-10 | Shinwa Service Kk | Wall connecting instrument at scaffolding |
| TWM384223U (en) * | 2010-02-02 | 2010-07-11 | Chien-Chung Chang | Clip buckle of support |
| CN211736319U (en) * | 2020-01-10 | 2020-10-23 | 中交一公局集团有限公司 | Novel scaffold base encorbelments |
| JP2022001786A (en) * | 2020-06-19 | 2022-01-06 | 株式会社高橋監理 | H-steel clip |
-
2022
- 2022-06-29 CN CN202210751639.8A patent/CN115059284A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0032418A1 (en) * | 1980-01-07 | 1981-07-22 | Masaya Nagashima | Method and means for releasably rigidly fastening together beams and like profiles |
| JPS5697613A (en) * | 1980-07-07 | 1981-08-06 | Masaya Nagashima | Fitting metals for shaped steel |
| JP2000170267A (en) * | 1998-12-08 | 2000-06-20 | Kiriishigumi:Kk | H-steel material assembling clamp |
| JP2002180553A (en) * | 2000-12-13 | 2002-06-26 | Kiwa Kogyo:Kk | Method and device for joining receiving frame of template |
| US20020168220A1 (en) * | 2001-05-10 | 2002-11-14 | Stasney Wilson Frank | Novel clamping assembly |
| JP2004340232A (en) * | 2003-05-15 | 2004-12-02 | Daifuku Co Ltd | Clamping device |
| JP2004340235A (en) * | 2003-05-15 | 2004-12-02 | Nakanishi Metal Works Co Ltd | Coupling metal piece for shape steel |
| JP2006207308A (en) * | 2005-01-31 | 2006-08-10 | Shinwa Service Kk | Wall connecting instrument at scaffolding |
| TWM384223U (en) * | 2010-02-02 | 2010-07-11 | Chien-Chung Chang | Clip buckle of support |
| CN211736319U (en) * | 2020-01-10 | 2020-10-23 | 中交一公局集团有限公司 | Novel scaffold base encorbelments |
| JP2022001786A (en) * | 2020-06-19 | 2022-01-06 | 株式会社高橋監理 | H-steel clip |
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