CN109812005B - Supporting device for cantilever plate on section steel and construction method thereof - Google Patents
Supporting device for cantilever plate on section steel and construction method thereof Download PDFInfo
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- CN109812005B CN109812005B CN201910095996.1A CN201910095996A CN109812005B CN 109812005 B CN109812005 B CN 109812005B CN 201910095996 A CN201910095996 A CN 201910095996A CN 109812005 B CN109812005 B CN 109812005B
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Abstract
The invention relates to a supporting device for a cantilever plate on section steel and a construction method thereof, wherein the supporting device comprises the following components: the vertical supporting rod is arranged between the upper flange plate and the lower flange plate of the section steel, and the height of the supporting rod can be adjusted; connect in the horizontal pole of bracing piece, the horizontal pole is fixed with protruding stretch out with horizontal position adjustable mode the protruding portion of stretching out of last flange board, the top surface of protruding portion is formed with the bearing in the bearing surface of the board of encorbelmenting, thereby through the bearing surface supports the board of encorbelmenting has solved among the prior art upper flange board of shaped steel and has certain thickness and support for rigid structure, the holding surface of support be less than the last flange board of shaped steel and have the clearance between the profiled sheet, the profiled sheet takes place the problem that the amount of deflection warp easily.
Description
Technical Field
The invention relates to the field of building construction, in particular to a supporting device for a cantilever plate on section steel and a construction method thereof.
Background
In the floor slab construction system of high-rise and super high-rise steel structure buildings at present, a full-hall red supporting template or a profiled steel sheet is generally adopted as a template of a floor slab, the profiled steel sheet partially protrudes out of profile steel, and the formed overhanging part is easy to deflect and deform.
In the prior art, a bracket welded by angle steel or steel pipes is generally fixed on a web plate of the section steel, and is supported on an overhanging part of a profiled steel sheet by the bracket so as to avoid the profiled steel sheet from generating deflection deformation.
However, the upper flange plate of the section steel has a constant thickness, the bracket has a rigid structure, and the support surface of the bracket is lower than the upper flange plate of the section steel and has a gap with the profiled steel sheet, so that the profiled steel sheet is likely to be deformed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a supporting device for a cantilever plate on section steel and a construction method thereof, and solves the problems that in the prior art, an upper flange plate of the section steel has a certain thickness, a support is of a rigid structure, a supporting surface of the support is lower than the upper flange plate of the section steel, a gap exists between the support and a profiled steel plate, and the profiled steel plate is easy to deflect and deform.
The technical scheme for realizing the purpose is as follows:
the invention provides a supporting device for a cantilever plate on section steel, which comprises:
the vertical supporting rod is arranged between the upper flange plate and the lower flange plate of the section steel, and the height of the supporting rod can be adjusted; and
connect in the horizontal pole of bracing piece, the horizontal pole is fixed with protruding the protruding portion of stretching out of upper limb listrium with horizontal position adjustable mode, the top surface of protruding portion is formed with the bearing in the bearing face of the board of encorbelmenting, thereby passes through the bearing face supports the board of encorbelmenting.
The supporting device for the cantilever plate on the section steel is further improved in that the transverse rod and the protruding part are provided with transverse long holes at intervals, the transverse rod and the protruding part are fixedly connected through penetrating the long holes through bolts, and the protruding part moves along the long holes so as to move the position of the protruding part.
A further improvement of the support device for a cantilever plate on a section steel according to the present invention is that the support bar comprises:
the sleeve is vertically arranged on the lower flange plate; and
the screw rod is inserted into the sleeve and is in threaded connection with the sleeve, and the relative position of the screw rod and the sleeve is adjusted through threaded connection, so that the height of the supporting rod is adjusted.
The supporting device for the cantilever plate on the section steel is further improved in that the top of the screw is screwed with a limiting nut, the screw is sleeved with a lantern ring, the lantern ring is arranged on the limiting nut, the cross rod can rotate around the supporting rod by rotating the lantern ring, and the height position of the cross rod is adjusted by adjusting the limiting nut.
The supporting device for the cantilever plate on the section steel is further improved in that the supporting device further comprises a diagonal brace obliquely hinged to the protruding part and the lower flange plate, and the diagonal brace is detachably and fixedly connected with the lower flange plate.
The supporting device for the cantilever plate on the section steel is further improved in that the bottom of the inclined supporting rod is hinged with a joint, the joint is provided with a groove matched with the lower flange plate, and the joint is clamped and connected with the lower flange plate through the groove.
The invention also provides a construction method of the supporting device for the cantilever plate on the section steel, which comprises the following steps:
providing a supporting rod with adjustable height, adjusting the height of the supporting rod, and supporting the supporting rod between an upper flange plate and a lower flange plate of the section steel;
providing a cross rod and a protruding part with a bearing surface formed at the top, and fixing the protruding part on the cross rod in a horizontal position adjustable mode; and
adjusting the position of the protruding portion so that the protruding portion protrudes out of the upper flange plate and supports the cantilever plate with the bearing surface, thereby supporting the cantilever plate.
The construction method of the supporting device for the cantilever plate on the section steel is further improved in that the construction method further comprises the steps of providing a diagonal brace hinged with a joint, wherein the joint is provided with a groove matched with the lower flange plate;
and obliquely hinging the inclined stay bar to the protruding part, and clamping and connecting the joint with the lower flange plate through the groove.
The construction method of the supporting device for the cantilever plate on the section steel of the present invention is further improved in that the protruding part is fixed to the cross bar in a manner that the horizontal position thereof is adjustable, comprising:
transverse long holes are arranged at intervals on the cross rod and the protruding part and are fixedly connected by penetrating through the long holes by bolts; and
moving the protrusion along the elongated hole, thereby moving the position of the protrusion such that the protrusion protrudes out of the upper flange plate.
The construction method of the supporting device for the cantilever plate on the section steel is further improved in that the supporting rod comprises:
providing a sleeve, and vertically arranging the sleeve on the lower flange plate; and
and providing a screw rod, inserting the screw rod into the sleeve, screwing the screw rod with the sleeve, and adjusting the relative position of the screw rod and the sleeve through screwing so as to adjust the height of the supporting rod.
The construction method of the supporting device for the cantilever plate on the section steel has the beneficial effects that:
the supporting device for the cantilever plate on the section steel is characterized in that the cross rod and the protruding portion are fixedly connected in a horizontal position adjustable mode, the top surface of the protruding portion is provided with a bearing surface which is used for bearing the cantilever plate, so that the cantilever plate is supported by the bearing surface, the defect that the cross rod cannot bear the cantilever plate due to the height difference of the upper flange plate is overcome, and the problems that the upper flange plate of the section steel has a certain thickness and the support is of a rigid structure, the supporting surface of the support is lower than the upper flange plate of the section steel, a gap exists between the support and the profiled steel plate, and the profiled steel plate is prone to deflection deformation in the prior art are solved.
Drawings
FIG. 1 is a schematic view showing a construction state of a supporting device for a cantilever plate on a section steel according to the present invention.
FIG. 2 is a schematic view of a supporting device for a cantilever plate on a section steel according to the present invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, there is shown a schematic view of the construction state of the supporting device for a cantilever plate on section steel according to the present invention. Fig. 2 is a schematic view of a supporting device for a cantilever plate on a section steel according to the present invention. Referring to fig. 1 and 2, the supporting device for a cantilever plate on a section steel according to the present invention comprises:
a supporting rod 22 which is vertically supported between the upper flange plate 11 and the lower flange plate 12 of the section steel 10 and has adjustable height; and
and a cross bar 23 connected to the support bar 22, wherein a protruding portion 21 protruding out of the upper flange plate 11 is fixed on the cross bar 23 in a manner that the horizontal position is adjustable, and a supporting surface for supporting the cantilever plate 30 is formed on the top surface of the protruding portion 21, so that the cantilever plate 30 is supported by the supporting surface.
The support rods 22 are shortened by adjusting the height of the support rods 22 to be conveniently placed between the upper flange plate 11 and the lower flange plate 12, and then the support rods 22 are extended so that the support rods 22 are braced against the upper flange plate 11 and the lower flange plate 12 to be fixed to the section steel 10. Further, the support rod 22 abuts against the web 13 of the section steel 10, so that the stability of the support rod 22 can be enhanced.
Further, the cross bar 23 is rotatably coupled to the support bar 22, thereby facilitating the rotation of the cross bar 23 to correspond to the lower side of the hanging plate 30 according to the position of the hanging plate 30.
Through with horizontal pole 23 and protruding portion 21 with horizontal position adjustable mode rigid coupling, the top surface of protruding portion 21 is formed with the bearing in the bearing surface of board 30 of encorbelmenting, thereby through the bearing surface supports board 30 of encorbelmenting, thereby can compensate because last wing flange 11 and have the unable bearing board of encorbelmenting of horizontal pole that the difference in height leads to not enough. Protruding portion 21 is adjusted through the removal for protruding portion 21's bearing surface and the bottom surface of board 30 of encorbelmenting are to pasting and are established, thereby protruding portion 21 supports board 30 of encorbelmenting, has solved among the prior art upper flange board of shaped steel have certain thickness and the support is rigid structure, the holding surface of support be less than the upper flange board of shaped steel and have the clearance between the profiled sheet, the profiled sheet takes place the problem that the amount of deflection warp easily.
As a preferred embodiment of the supporting device for the cantilever plate on the section steel of the present invention, refer to FIG. 3 which is an enlarged view of part A of FIG. 2. Referring to fig. 1 to 3, the cross bar 23 and the protruding portion 21 are provided with transverse elongated holes 40 at intervals, the cross bar 23 and the protruding portion 21 are fixedly connected by bolts passing through the elongated holes 40, and the position of the protruding portion 21 is moved by moving the protruding portion 21 along the elongated holes 40.
In this embodiment, the cross bar 23 and the protrusion 21 are both angle steels. One flange plate of angle steel level sets up, and another flange plate is vertical sets up. Protruding horizontally flange board of stretching out portion 21 is stacked on the horizontally flange board of horizontal pole 23, and the upper surface of protruding horizontally flange board of stretching out portion 21 forms bearing surface, and bearing surface is higher than the horizontally flange board of horizontal pole 23, and bearing surface and the bottom surface of the board of encorbelmenting are pasted each other and are established for bearing the board of encorbelmenting, can solve among the prior art and directly adopt horizontal pole 23 to support when the board of encorbelmenting, the horizontal flange board of horizontal pole 23 and the problem that has the clearance and can't support the board of encorbelmenting between the board of encorbelmenting. In which the horizontal flange plate of the end of the cross bar 23 connected to the support bar 22 is cut away leaving only the vertical flange plate, and the vertical flange plate is fixedly connected to the support bar 22.
The elongated hole 40 has a certain length, and the bolt passing through the elongated hole 40 can move relative to the elongated hole 40, so that the relative position of the cross bar 23 and the protruding portion 21 can be changed for fine adjustment.
As a preferred embodiment of the supporting device for the cantilever plate on the section steel of the present invention, as shown in fig. 1 to 3, the supporting rod 22 includes:
a sleeve 50 erected on the lower flange plate 12; and
and a screw 51 inserted into the sleeve 50 and threadedly coupled with the sleeve 50, wherein the height of the support rod 22 is adjusted by threadedly adjusting the relative position of the screw 51 and the sleeve 50.
As a preferred embodiment of the supporting device for the cantilever slab on the section steel of the present invention, referring to fig. 1 to 3, a stop nut 52 is screwed on the top of the screw 51, a collar 53 is sleeved on the screw 51, the collar 53 is disposed on the stop nut 52, the cross bar 23 can rotate around the support bar 22 by rotating the collar 53, and the collar 53 moves up and down along with the stop nut 52 by adjusting the stop nut 52, so as to drive the cross bar 23 to move up and down, thereby adjusting the height position of the cross bar 23, and supporting the cantilever slab. The collar 53 is fixed with a connecting plate, and the connecting plate is fixedly connected with the cross rod 23 through a bolt.
As a preferred embodiment of the supporting device for the cantilever plate on the section steel of the present invention, as shown in fig. 1 to 3, a diagonal brace 24 is further included, which is diagonally hinged to the protruding portion 21 and the lower flange plate 12, and the diagonal brace 24 and the lower flange plate 12 are detachably and fixedly connected. The diagonal brace 24 is used to support the protrusions and prevent the ends of the protrusions from sinking.
Further, the inclined supporting rod 24 is hinged with a joint 25, the joint 25 is formed with a groove adapted to the lower flange plate 12, and the joint 25 is connected with the lower flange plate 12 in a clamping manner through the groove.
The upper end of the diagonal brace 24 and the protruding portion 21 are provided with long holes, and the long holes are fixedly connected through bolts. The lower end portions of the diagonal braces 24 are inserted into the pair of hinge plates 250 and are hinged and fixed by screws. The hinge plate 250 and the joint 25 are connected by a reinforcing bar. In this embodiment, joint 25 is the U template, forms the recess in the U template, and the U template passes through the recess centre gripping and realizes detachably centre gripping fixed connection, easy to assemble and dismantlement in the lower flange board.
The invention also provides a construction method of the supporting device for the cantilever plate on the section steel, which comprises the following steps:
providing a height-adjustable supporting rod 22, adjusting the height of the supporting rod 22, and supporting the supporting rod 22 between an upper flange plate 11 and a lower flange plate 12 of the section steel 10;
providing a cross bar 23 and a protruding part 21 with a bearing surface formed at the top, and fixing the protruding part 21 on the cross bar 23 in a manner of adjusting the horizontal position; and
the position of the protrusion 21 is adjusted so that the protrusion 21 protrudes out of the upper flange plate 11 and supports the holding surface to the cantilever plate 30, thereby supporting the cantilever plate 30.
As a preferred embodiment of the construction method of the supporting device for the cantilever plate on the section steel of the present invention, as shown in fig. 1 to 3, the present invention further comprises providing a diagonal brace 24 hinged with a joint 25, the joint 25 being formed with a groove adapted to the lower flange plate 12;
the inclined supporting rod 24 is obliquely hinged on the protruding part 21, and the joint 25 is clamped and connected with the lower flange plate 12 through the groove.
As a preferred embodiment of the construction method of the supporting device for a cantilever plate on a section steel according to the present invention, as shown in fig. 1 to 3, fixing the protrusion 21 to the crossbar 23 in a horizontally adjustable manner includes:
transverse strip holes 40 are arranged at intervals on the cross rod 23 and the protruding part 21, and bolts are used for penetrating through the strip holes 40 and fixedly connecting the strip holes; and
the protrusion 21 is moved along the elongated hole 40 to move the position of the protrusion 21 so that the protrusion 21 protrudes out of the upper flange 12.
As a preferred embodiment of the method for constructing the supporting device for the cantilever plate on the section steel according to the present invention, as shown in fig. 1 to 3, the providing of the supporting rod 22 includes:
providing a sleeve 50, and erecting the sleeve 50 on the lower flange plate 12; and
providing a screw 51, inserting the screw 51 into the sleeve 50, screwing the screw 51 to the sleeve 50, and adjusting the relative position of the screw 51 and the sleeve 50 by screwing, thereby adjusting the height of the support rod 22.
The supporting device for the cantilever plate on the section steel and the construction method thereof have the beneficial effects that:
the supporting device for the cantilever plate on the section steel is characterized in that the cross rod and the protruding portion are fixedly connected in a horizontal position adjustable mode, the top surface of the protruding portion is provided with a bearing surface which is used for bearing the cantilever plate, so that the cantilever plate is supported by the bearing surface, the defect that the cross rod cannot bear the cantilever plate due to the height difference of the upper flange plate is overcome, and the problems that the upper flange plate of the section steel has a certain thickness and the support is of a rigid structure, the supporting surface of the support is lower than the upper flange plate of the section steel, a gap exists between the support and the profiled steel plate, and the profiled steel plate is prone to deflection deformation in the prior art are solved.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (2)
1. The utility model provides a strutting arrangement that board was used of encorbelmenting on shaped steel which characterized in that includes:
the vertical supporting rod is arranged between the upper flange plate and the lower flange plate of the section steel, and the height of the supporting rod can be adjusted; the support rod is abutted against a web plate of the section steel;
the device comprises a supporting rod, a cross rod, a protruding part and a supporting surface, wherein the cross rod is connected with the supporting rod, the protruding part protruding out of the upper flange plate is fixed on the cross rod in a horizontal position adjustable mode, and the top surface of the protruding part is provided with the supporting surface for supporting the cantilever plate, so that the cantilever plate is supported through the supporting surface;
the transverse rod and the protruding part are provided with transverse long holes at intervals, the protruding part moves along the long holes so as to move the position of the protruding part, and the protruding part is fixedly connected with the long holes in a penetrating mode through bolts;
the cross rod and the protruding portion are both angle steel, one flange plate of the angle steel is horizontally arranged, the other flange plate of the angle steel is vertically arranged, the horizontal flange plate of the protruding portion is stacked on the horizontal flange plate of the cross rod, a bearing surface is formed on the upper surface of the horizontal flange plate of the protruding portion and is higher than the horizontal flange plate of the cross rod, and the bearing surface and the bottom surface of the cantilever plate are mutually attached and used for bearing the cantilever plate;
the diagonal brace is obliquely hinged to the protruding part and the lower flange plate and detachably and fixedly connected with the lower flange plate;
the bracing piece includes: the sleeve is vertically arranged on the lower flange plate; the screw rod is inserted into the sleeve and is in threaded connection with the sleeve, and the relative position of the screw rod and the sleeve is adjusted through threaded connection so as to adjust the height of the supporting rod;
the top of the screw is screwed with a limit nut, the screw is sleeved with a lantern ring, the lantern ring is arranged on the limit nut, the cross rod can rotate around the support rod by rotating the lantern ring, and the height position of the cross rod is adjusted by adjusting the limit nut;
the bottom of the inclined supporting rod is hinged with a joint, a groove matched with the lower flange plate is formed in the joint, and the joint is connected with the lower flange plate through the groove in a clamped mode.
2. A construction method of a supporting device for a cantilever plate on section steel is characterized by comprising the following steps:
providing a supporting rod with adjustable height, adjusting the height of the supporting rod, and supporting the supporting rod between an upper flange plate and a lower flange plate of the section steel; abutting the support rod against a web of the section steel;
providing a cross rod and a protruding part with a bearing surface formed at the top, and fixing the protruding part on the cross rod in a horizontal position adjustable mode;
adjusting the position of the protruding portion so that the protruding portion protrudes out of the upper flange plate and supports the cantilever plate by the supporting surface, thereby supporting the cantilever plate;
the cross rod and the protruding portion are both angle steel, one flange plate of the angle steel is horizontally arranged, the other flange plate of the angle steel is vertically arranged, the horizontal flange plate of the protruding portion is stacked on the horizontal flange plate of the cross rod, a bearing surface is formed on the upper surface of the horizontal flange plate of the protruding portion and is higher than the horizontal flange plate of the cross rod, and the bearing surface and the bottom surface of the cantilever plate are mutually attached and used for bearing the cantilever plate; providing a diagonal brace hinged with a joint formed with a groove adapted to the lower flange plate;
the inclined stay bar is obliquely hinged to the protruding part, and the joint is clamped and connected with the lower flange plate through the groove;
fixing the protruding portion to the cross bar in a manner that the horizontal position is adjustable, comprising: transverse long holes are arranged at intervals on the cross rod and the protruding part and are fixedly connected by penetrating through the long holes by bolts; moving the protrusion along the elongated hole, thereby moving the position of the protrusion such that the protrusion protrudes out of the upper flange plate;
providing the support rod includes: providing a sleeve, and vertically arranging the sleeve on the lower flange plate; providing a screw rod, inserting the screw rod into the sleeve, screwing the screw rod with the sleeve, and adjusting the relative position of the screw rod and the sleeve through screwing so as to adjust the height of the supporting rod; the bottom of the inclined supporting rod is hinged with a joint, a groove matched with the lower flange plate is formed in the joint, and the joint is connected with the lower flange plate through the groove in a clamped mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910095996.1A CN109812005B (en) | 2019-01-31 | 2019-01-31 | Supporting device for cantilever plate on section steel and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910095996.1A CN109812005B (en) | 2019-01-31 | 2019-01-31 | Supporting device for cantilever plate on section steel and construction method thereof |
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| Publication Number | Publication Date |
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| CN109812005A CN109812005A (en) | 2019-05-28 |
| CN109812005B true CN109812005B (en) | 2022-03-01 |
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| CN201910095996.1A Active CN109812005B (en) | 2019-01-31 | 2019-01-31 | Supporting device for cantilever plate on section steel and construction method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112854818A (en) * | 2021-01-14 | 2021-05-28 | 中国建筑第八工程局有限公司 | Floor support plate supporting device |
| CN114892939B (en) * | 2022-07-01 | 2023-08-22 | 中国建筑第二工程局有限公司 | Steel construction installation operation platform |
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| JPH08184184A (en) * | 1994-12-28 | 1996-07-16 | Hirano Kenkizai:Kk | Formwork supporting device for pent-roof construction |
| US6334279B1 (en) * | 1998-11-05 | 2002-01-01 | James Oliver | Adjustable outrigger for manufactured home |
| AU2012308083B2 (en) * | 2011-09-15 | 2017-02-02 | Form 700 Pty Ltd | A guard rail attachment |
| CN202544399U (en) * | 2012-02-15 | 2012-11-21 | 中建三局第二建设工程有限责任公司 | Supporting frame for overhang floor slab with steel structure |
| CN202627526U (en) * | 2012-04-12 | 2012-12-26 | 嘉兴学院 | Support device |
| CN202755649U (en) * | 2012-08-07 | 2013-02-27 | 中建三局建设工程股份有限公司 | Rebar mold-supporting frame of cantilever slab |
| CN202706535U (en) * | 2012-09-03 | 2013-01-30 | 仇峥嵘 | Early-detachment formwork support structure for floor edges |
| CN203238948U (en) * | 2013-03-21 | 2013-10-16 | 北京六建集团有限责任公司 | Hollow ultrahigh formwork profile steel platform |
| CN203867216U (en) * | 2014-04-02 | 2014-10-08 | 北京六建集团有限责任公司 | Detachable steel frame supporting structure for ultra-high-rise building cantilevered plate |
| WO2017079786A1 (en) * | 2015-11-12 | 2017-05-18 | True Power Pty Ltd | A furling crane loading platform |
| CN205476591U (en) * | 2016-03-31 | 2016-08-17 | 安徽祥龙钢结构有限公司 | Steel constructs bearing structure |
| CN205776748U (en) * | 2016-07-11 | 2016-12-07 | 中国十九冶集团有限公司 | Box column and the most contour girder steel attachment structure |
| CN206233567U (en) * | 2016-11-29 | 2017-06-09 | 中国建筑第八工程局有限公司 | Profiled sheet installation temporary support |
| CN106592965A (en) * | 2016-12-26 | 2017-04-26 | 中建四局第六建筑工程有限公司 | Quick support system of high-rise steel structure house composite floor slab |
| CN207160539U (en) * | 2017-09-08 | 2018-03-30 | 中核华泰建设有限公司 | A kind of easy-to-dismount overhanging scaffold of high-mechanic |
| CN208202648U (en) * | 2018-03-02 | 2018-12-07 | 中建八局第一建设有限公司 | Simple adjustable steel returns back to top support |
| CN108756241B (en) * | 2018-07-09 | 2024-01-19 | 中国建筑第六工程局有限公司 | Device is established to shear force wall outside floor template of encorbelmenting |
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