CN114541742A - Adjustable support truss for house building plane template - Google Patents
Adjustable support truss for house building plane template Download PDFInfo
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- CN114541742A CN114541742A CN202210382973.0A CN202210382973A CN114541742A CN 114541742 A CN114541742 A CN 114541742A CN 202210382973 A CN202210382973 A CN 202210382973A CN 114541742 A CN114541742 A CN 114541742A
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- upper beam
- rod
- lining
- loop bar
- truss
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- 238000009415 formwork Methods 0.000 claims abstract description 32
- 238000010276 construction Methods 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 42
- 239000010959 steel Substances 0.000 claims description 42
- 230000000694 effects Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 5
- 239000002023 wood Substances 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000009432 framing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000009435 building construction Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Classifications
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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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
-
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
- E04G11/483—Supporting heads
-
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
- E04G11/50—Girders, beams, or the like as supporting members for forms
-
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
- E04G11/50—Girders, beams, or the like as supporting members for forms
- E04G11/54—Girders, beams, or the like as supporting members for forms of extensible type, with or without adjustable supporting shoes, fishplates, or the like
- E04G11/56—Girders, beams, or the like as supporting members for forms of extensible type, with or without adjustable supporting shoes, fishplates, or the like of telescopic type
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses an adjustable supporting truss for a flat template formwork of a house building. The truss is composed of an upper beam, a lower beam, an inclined strut, a lining stop, a vertical strut, a connecting piece, a positioning piece, a tensioning screw rod and the like. The upper beam, the lower beam, the inclined strut and the lining are matched by corresponding sleeve rods and inserted rods to adjust the relative moving distance between the upper beam, the lower beam, the inclined strut and the lining; two ends of the upper beam are provided with tensioning screws for positioning, tensioning and fixing the span of the truss; the vertical support is matched with the screw rod through a nut sleeve rod and is used for supporting the truss at the height of different structural beams. The invention can provide corresponding support for plane formworks with different distances between beams in the floor construction of the house building, is convenient, flexible, efficient and reusable to assemble and disassemble, can effectively shorten the formwork erecting working time, improves the construction efficiency and reduces the construction cost.
Description
Technical Field
The invention relates to a structure of a plane template support truss, in particular to an adjustable support truss structure of a floor formwork in a house building.
Background
In the construction of a floor slab structure of a house building, a formwork is required to be erected between structural beams to bind reinforcing steel bars and pour concrete on the structural beams, and a flat formwork is usually supported by erecting a full framing scaffold.
Such a formwork method results in:
1) large steel pipe consumption, large assembly and disassembly workload and low operation efficiency. In order to bind reinforcing steel bars and pour concrete on a floor, a full scaffold needs to be erected to support a formwork, so that a large number of steel pipes are needed to construct a support frame in the vertical direction and the horizontal direction, and the steel pipes need to be dismantled after the concrete pouring maintenance is finished, so that the assembling and disassembling workload is large, the time is long, and the operation efficiency is low.
2) Because of a large amount of steel pipes with connect the fastener and need carry from top to bottom between the floor, work load is big and intensity of labour is higher, connect the fastener if manage not good easy losing.
3) Because of the full hall scaffold occupies the floor place of installation scaffold during the support, need treat that the concrete maintenance period can only demolish after expiring, so can't alternate the operation simultaneously at ligature reinforcing bar and concreting and maintenance period this floor, wasted a large amount of time to construction cycle has been prolonged, construction cost has been increased.
Disclosure of Invention
In order to solve the problems existing in the background formwork supporting technical means, the invention provides a suspended adjustable supporting truss in a targeted manner, so that a full framing scaffold is replaced.
The technical problems solved by the invention are as follows: 1) the supporting truss is suspended between the structural beams, and the floor space is not occupied, so that other operation construction on the floor is not hindered. 2) The span (i.e., length) and height of the trusses may be adjusted according to the spacing of the structural beams, so that all formwork planes may be accommodated with a smaller number of truss specifications. 3) The specification number and the use amount of the truss are greatly reduced compared with those of a full scaffold, and no auxiliary measures are needed in installation, so that the truss is convenient to assemble and disassemble, high in efficiency and labor-saving. 4) Because the time of formwork supporting and formwork removing is shortened, and the floor space is not occupied during the steel bar binding, concrete pouring and maintenance on the formwork, the alternate construction of other operations can be simultaneously carried out, thereby relatively shortening the construction period and reducing the construction cost.
The technical scheme taking the building steel structure as an example is as follows:
the invention comprises an upper beam, a lower beam, an inclined strut, a lining, a vertical strut and a tensioning screw rod; the two ends of the upper beam are horizontally supported and fixed on the vertical fixing surfaces of the two sides through tensioning screws, the two ends of the upper beam are supported and installed on the horizontal fixing surfaces of the two sides through vertical supports in a height-adjustable mode, the lower beam is arranged below the upper beam in parallel, and the lower beam is connected with the upper beam through inclined supports and lining stops in a height-adjustable mode.
The upper beam and the lower beam are both set to be structures with adjustable horizontal length, a plurality of lining blocks are arranged between the middle parts of the upper beam and the lower beam in a height-adjustable mode, two inclined struts are arranged between the two ends of the upper beam and the two ends of the lower beam in a height-adjustable mode, the lining blocks are arranged in the vertical direction perpendicular to the upper beam and the lower beam, and the inclined struts are not parallel to the vertical direction.
The upper beam mainly comprises an upper beam sleeve rod and an upper beam inserted bar, one end of the upper beam sleeve rod and one end of the upper beam inserted bar are coaxially and movably sleeved with each other, the other end of the upper beam sleeve rod is in threaded connection with one end of a first tensioning screw rod, the other end of the first tensioning screw rod is abutted to the vertical fixing surface on one side, the other end of the upper beam inserted bar is in threaded connection with one end of a second tensioning screw rod, and the other end of the second tensioning screw rod is abutted to the vertical fixing surface on the other side.
The upper beam sleeve rod and the upper beam inserted rod are coaxially sleeved and fixed in length, an axial overlapping section is formed between the upper beam sleeve rod and the upper beam inserted rod, and a positioning piece is inserted in the axial overlapping section and radially penetrates through the upper beam sleeve rod and the upper beam inserted rod simultaneously, so that the upper beam sleeve rod and the upper beam inserted rod are axially fixed.
The other end of the upper beam loop bar and the other end of the upper beam inserted bar are connected with a horizontal fixing surface in a height-adjusting mode through respective vertical supports, each vertical support comprises a nut loop bar, a screw rod, a support pad, a flat gasket and a fixing piece, the upper end of the nut loop bar is hinged to the end of the upper beam loop bar/the upper beam inserted bar through a connecting piece, the upper end of the screw rod is sleeved in a threaded hole in the lower end of the nut loop bar through threads, the lower end of the screw rod is further sleeved with the support pad through the fixing piece in a loose joint mode, an outer flange is arranged at the lower end of the screw rod, and the flat gasket is arranged between the outer flange and the support pad.
The lower beam mainly comprises a lower beam sleeve rod and a lower beam inserted rod, one end of the lower beam sleeve rod and one end of the lower beam inserted rod are coaxially and movably sleeved with each other, and the other ends of the lower beam sleeve rod and the lower beam inserted rod are respectively connected with two ends of the upper beam in a height-adjustable manner through inclined struts; the middle parts of the lower beam loop bar and the lower beam inserted bar are connected with the middle parts of the upper beam loop bar and the upper beam inserted bar in a height-adjustable manner through a plurality of lining stops arranged at intervals along the beam direction.
The inclined strut mainly comprises an inclined strut sleeve rod and an inclined strut insertion rod, the upper end of the inclined strut sleeve rod is hinged to the end of the upper beam through a connecting piece, the lower end of the inclined strut sleeve rod is sleeved with the upper end of the inclined strut insertion rod in a coaxial and mutual movable mode, and the lower end of the inclined strut insertion rod is hinged to the end of the lower beam sleeve rod/the lower beam insertion rod through the connecting piece.
The concrete connecting piece can be a pin shaft or a bolt.
The lining is mainly composed of a lining sleeve rod and a lining inserted rod, the upper end of the lining sleeve rod is sleeved on the upper beam in a movable manner along the direction of the upper beam, the lower end of the lining sleeve rod and the upper end of the lining inserted rod are coaxially and movably sleeved with each other, and the lower end of the lining inserted rod is sleeved on the lower beam in a movable manner along the direction of the lower beam.
The upper end of the lining retainer sleeve rod is fixed with the upper beam, and the lower end of the lining retainer insert rod is fixed with the lower beam through a positioning piece along the horizontal direction of the beams.
And a wood template and a wood block are arranged on the adjustable supporting truss.
The adjustable supporting truss is arranged between the two steel beams, the side face of a web plate of each steel beam is used as a vertical fixing face, and the upper surface of a lower flange of each steel beam is used as a horizontal fixing face.
The sleeve rods and the inserted rods can be made of conventional round steel pipes or square rectangular steel pipes.
The sleeve rod and the inserted rod of the upper beam are respectively provided with a connecting plate at the other end thereof for connecting with the inclined strut and the vertical strut.
The sleeve rod and the inserted rod of the lower beam are respectively provided with a connecting plate at the other end thereof for connecting with the inclined strut.
The sleeve rod and the inserted rod of the inclined strut are provided with round holes at one end respectively and provided with a section of notch in the axial direction, and the notches are used for being clamped with the connecting plates at the two ends of the upper beam and the connecting plates at the two ends of the lower beam respectively.
The sleeve rod and the insert rod of the lining are respectively provided with a section of sleeve at one end of each of the sleeve rod and the insert rod and are respectively sleeved with the upper beam and the lower beam.
The nut sleeve rod and the screw rod of the vertical support are in threaded connection, so that the relative position distance can be adjusted, and the vertical support is used for vertically supporting the truss at different steel beam heights.
The tensioning screw rod is in threaded connection with nuts at two ends of the upper beam and is used for tightly supporting and fixing the truss at two ends of the truss and the steel beam web.
The truss of the invention is composed of an upper beam, a lower beam, an inclined strut, a lining stop, a vertical strut, a connecting piece, a positioning piece, a tensioning screw rod and the like. The upper beam, the lower beam, the inclined strut and the lining are matched by corresponding sleeve rods and inserted rods to adjust the relative moving distance between the upper beam, the lower beam, the inclined strut and the lining; two ends of the upper beam are provided with tensioning screws for positioning, tensioning and fixing the span of the truss; the vertical support is matched with the screw rod through a nut sleeve rod and is used for supporting the truss at the height of different structural beams.
The invention can provide corresponding support for plane formworks with different distances between beams in the floor construction of the house building, is convenient, flexible, efficient and reusable to assemble and disassemble, can effectively shorten the formwork erecting working time, improves the construction efficiency and reduces the construction cost.
The invention designs a new formwork supporting measure of a suspended adjustable supporting truss structure aiming at the formwork supporting means of a conventional full framing scaffold in the floor slab construction of a house building, and compared with the conventional formwork supporting means, the novel formwork supporting measure has the characteristics and advantages that:
1) because of adopting the length and height telescopic rod truss structure, the method can adapt to the formwork span of various beam intervals with less specification and quantity, can also greatly reduce the consumption of formwork material and is convenient to carry among floors;
2) the installation does not need any auxiliary material measures, and the installation and the removal can be conveniently and quickly carried out;
3) because the truss is installed in a suspended manner, the space of the floor after construction is not occupied, so that other required internal construction can be simultaneously carried out after the truss is installed on the floor, and the time and the space can be effectively utilized. Therefore, the invention has the characteristics of simple structure, convenient assembly and disassembly, less consumption and no construction space occupation, and has the innovative advantages of improving the operation efficiency, shortening the construction period, saving materials and reducing the construction cost.
Drawings
Fig. 1 is a schematic view of the truss in a retracted state both in length and height.
Fig. 2 is a schematic view showing a state in which the length of the girder is extended and the height thereof is retracted.
Figure 3 is a schematic representation of the truss in both length and height in tension.
Fig. 4 is a schematic view of the stand-up structure 1.
Fig. 5 is a schematic view of the stand member structure 2.
In the figure: the beam comprises an upper beam 1, an upper beam sleeve rod 1.1, an upper beam inserted rod 1.2 and an upper beam connecting plate 1.3;
the lower beam comprises a lower beam 2, a lower beam sleeve rod 2.1, a lower beam inserted rod 2.2 and a lower beam connecting plate 2.3;
the inclined strut 3, an inclined strut sleeve rod 3.1 and an inclined strut inserted rod 3.2;
a lining 4, a lining sleeve rod 4.1 and a lining inserted rod 4.2;
the device comprises a vertical support 5, a nut loop bar 5.1, a screw rod 5.2, a support pad 5.3, a flat washer 5.4 and a fixing piece 5.5;
the connecting piece 6, the fixing piece 7 and the tensioning screw 8;
the steel beam 9, the internal expansion bolt 10, the wooden template 11, the wooden rail 12.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description.
As shown in fig. 1-3, the truss mainly comprises an upper beam 1, a lower beam 2, an inclined strut 3, a lining 4, a vertical strut 5 and a tension screw 8; two ends of an upper beam 1 are horizontally supported and fixed on vertical fixing surfaces on two sides through tensioning screws 8, two ends of the upper beam 1 are supported and mounted on the horizontal fixing surfaces on the two sides in a height-adjustable mode through vertical supports 5, a lower beam 2 is arranged below the upper beam 1 in parallel, and the lower beam 2 is connected with the upper beam 1 in a height-adjustable mode through inclined supports 3 and lining shelves 4.
The inclined struts 3 at the two ends of the truss are obliquely arranged from the end parts of the upper beam 1 to the center, so that the upper beam 1 and the lower beam 2 are respectively connected with the inclined struts 3 through the connecting pieces 6 to form a frame shaped like an inverted trapezoid, and the upper beam 1 and the lower beam 2 are connected through the arrangement of the plurality of lining blocks 4 to form a stable truss capable of being stressed. After the truss is installed and positioned between the steel beams, the tension screw can enable the truss and a steel beam web plate to be fixed in a tension mode; the vertical support is matched with the screw rod through the nut loop bar and can adjust the height so as to adapt to steel beams with different heights to support the truss.
The upper beam 1 and the lower beam 2 are both set to be of a structure with adjustable horizontal length, a plurality of lining blocks 4 are installed between the middle parts of the upper beam 1 and the lower beam 2 in a height-adjustable mode, two inclined struts 3 are installed between the two ends of the upper beam 1 and the lower beam 2 in a height-adjustable mode, the lining blocks 4 are arranged in the vertical direction perpendicular to the upper beam 1 and the lower beam 2, and the inclined struts 3 are not parallel to the vertical direction.
The upper beam 1 mainly comprises an upper beam sleeve rod 1.1 and an upper beam inserted bar 1.2, one end of the upper beam sleeve rod 1.1 and one end of the upper beam inserted bar 1.2 are coaxially and movably sleeved with each other, the upper beam inserted bar 1.2 is sleeved in the upper beam sleeve rod 1.1 in an optical axis mode, the other end of the upper beam sleeve rod 1.1 is in threaded connection with one end of a first tensioning screw rod 8, the other end of the first tensioning screw rod 8 is abutted to a vertical fixing surface on one side, the other end of the upper beam inserted bar 1.2 is in threaded connection with one end of a second tensioning screw rod 8, and the other end of the second tensioning screw rod 8 is abutted to a vertical fixing surface on the other side.
Go up the fixed back of coaxial cup jointing length between roof beam loop bar 1.1 and the upper beam inserted bar 1.2 for have the axial between the loop bar 1.1 of upper beam and the upper beam inserted bar 1.2 and overlap the section, the cartridge position spare 7 radially passes upper beam loop bar 1.1 and upper beam inserted bar 1.2 simultaneously in the axial overlaps the section, makes axial fixity between upper beam loop bar 1.1 and the upper beam inserted bar 1.2, has realized that the regulation of 1 axial length of upper beam is fixed.
The upper beam 1 is sleeved and inserted coaxially between an upper beam sleeve rod 1.1 and an upper beam inserting rod 1.2, and can be moved telescopically within the range of the length of the rod to adjust the length of the truss.
The other ends of the upper beam loop bar 1.1 and the upper beam inserted bar 1.2 are connected with a horizontal fixing surface in a height-adjusting mode through respective vertical supports 5, as shown in fig. 4-5, each vertical support 5 comprises a nut loop bar 5.1, a screw rod 5.2, a support pad 5.3, a flat washer 5.4 and a fixing piece 5.5, the upper end of the nut loop bar 5.1 is hinged with the end part of the upper beam loop bar 1.1/the upper beam inserted bar 1.2 through a connecting piece 6, the upper end of the screw rod 5.2 is sleeved in a threaded hole at the lower end of the nut loop bar 5.1 through threads, the lower end of the screw rod 5.2 is further sleeved with the support pad 5.3 through the radially arranged fixing piece 5.5 loose joint, the support pad 5.3 is axially limited by the fixing piece 5.5 and cannot be separated from the lower end of the screw rod 5.2, the lower end part of the screw rod 5.2 is provided with an outer flange, and the flat washer 5.4 is arranged between the support pad 5.3. The support pad 5.3 is closely fixed with the concrete beam through the internal expansion type expansion bolt 10.
After the length of the nut loop bar 5.1 and the screw 5.2 in a threaded sleeving manner is fixed, the support pad 5.3 is supported and installed on a horizontal fixing surface, so that the upper beam 1 is supported and fixed in the vertical direction; meanwhile, screws 8 at two ends of the upper beam 1 are supported and propped against a vertical fixing surface in an anticlockwise rotating mode, so that the upper beam 1 is supported and fixed in the horizontal direction; thereby the adjustable supporting truss is integrally supported outwards on two orthogonal vertical fixing surfaces.
In specific implementation, the upper end of the nut loop bar 5.1 is hinged with the upper beam loop bar 1.1/the upper beam inserted bar 1.2 through the upper beam connecting plate 1.3, the nut loop bar 5.1 and the screw rod 5.2 are screwed in and sleeved to a required position through threads, so that the vertical support 5 is positioned at the installation length of the truss, the nut loop bar 5.1 connected with the upper beam connecting plate 1.3 is in threaded connection with the screw rod 5.2 through a nut at the end of the nut loop bar, and the screw rod 5.2 supports the truss on lower wing plates of steel beams with different heights through the support pad 5.3 in loose joint with the screw rod.
The lower beam 2 mainly comprises a lower beam loop bar 2.1 and a lower beam inserted bar 2.2, one end of the lower beam loop bar 2.1 and one end of the lower beam inserted bar 2.2 are coaxially and movably sleeved with each other, the lower beam inserted bar 2.2 is sleeved in the lower beam loop bar 2.1 in an optical axis manner, and the other ends of the lower beam loop bar 2.1 and the lower beam inserted bar 2.2 are respectively connected with the two ends of the upper beam 1 in a height-adjustable manner through inclined struts 3; the middle parts of the lower beam loop bar 2.1 and the lower beam inserted bar 2.2 are connected with the middle parts of the upper beam loop bar (1.1) and the upper beam inserted bar (1.2) in a height-adjustable way through a plurality of lining stops 4 which are arranged at intervals along the beam direction.
The lower beam 2 is sleeved and inserted coaxially between the lower beam sleeve rod 2.1 and the lower beam inserted rod 2.2, and can move telescopically within the range of the length of the rod to adjust the length of the truss.
The inclined strut 3 mainly comprises an inclined strut sleeve rod 3.1 and an inclined strut inserted rod 3.2, the upper end of the inclined strut sleeve rod 3.1 is hinged with a connecting plate 1.3 at the end part of the upper beam 1 through a connecting piece 6, the lower end of the inclined strut sleeve rod 3.1 is coaxially and movably sleeved with the upper end of the inclined strut inserted rod 3.2, the inclined strut inserted rod 3.2 is sleeved in the inclined strut sleeve rod 3.1 through an optical axis, and the lower end of the inclined strut inserted rod 3.2 is hinged with a connecting plate 2.3 at the end part of the lower beam sleeve rod 2.1/lower beam inserted rod 2.2 through the connecting piece 6.
The inclined strut 3 is coaxially sleeved and inserted by an inclined strut sleeve rod 3.1 and an inclined strut inserting rod 3.2, and can be moved in a telescopic way within the rod length range to adjust the vertical parallel distance between the upper beam 1 and the lower beam 2.
The lining 4 is mainly composed of a lining loop bar 4.1 and a lining inserted bar 4.2, the upper end of the lining loop bar 4.1 can be sleeved on any position of the middle part of the upper beam 1 along the direction of the upper beam 1 in a movable way, can be sleeved on the upper beam loop bar 1.1, also can be sleeved on the upper beam inserted bar 1.2, the lower end of the lining loop bar 4.1 and the upper end of the lining inserted bar 4.2 are coaxially and movably sleeved, the lining inserted bar 4.2 is sleeved in the lining loop bar 4.1 by an optical axis, the lower end of the lining inserted bar 4.2 can be sleeved on the lower beam 2 along the direction of the lower beam 2 in a movable way, can be sleeved on the lower beam loop bar 2.1, and also can be sleeved on the lower beam inserted bar 2.2.
The lining 4 is sleeved and inserted coaxially between a lining sleeve rod 4.1 and a lining insert rod 4.2, and can move telescopically in the range of the length of the rod to adjust the height of the truss.
The upper end of the lining stop sleeve rod 4.1 is fixed with the upper beam 1, and the lower end of the lining stop inserted rod 4.2 is fixed with the lower beam 2 through a positioning piece 7 along the horizontal direction of the beams. The positioning piece 7 radially penetrates through the upper end of the lining retainer sleeve rod 4.1 and the upper beam 1 at the same time to axially fix the lining retainer sleeve rod 4.1 and the upper beam 1 along the beam direction, and the positioning piece 7 radially penetrates through the lower end of the lining retainer insert rod 4.2 and the lower beam 2 at the same time to axially fix the lining retainer insert rod 4.2 and the lower beam 2 along the beam direction. The positioning member 7 may be a pin or a bolt.
A wooden template 11 and a wooden stop 12 are arranged on the adjustable supporting truss. The adjustable support trusses are arranged in parallel at intervals, the wood shelves 12 are arranged on the adjustable support trusses in parallel at intervals and perpendicular to the direction of the adjustable support trusses, and the wood formworks 11 are arranged on the wood shelves 12 in parallel at intervals and parallel to the direction of the adjustable support trusses.
The concrete implementation takes a building steel structure as an example. The adjustable supporting truss is arranged between the two steel beams 9, the side face of a web plate of each steel beam 9 serves as a vertical fixing face, and the upper surface of a lower flange of each steel beam 9 serves as a horizontal fixing face.
The truss structure is arranged between two steel beams 9, and the two horizontal beams which are parallel up and down and the vertical connecting piece between the two horizontal beams are formed by a sleeved structure formed by sleeving the loop bars and the inserted bars, so that the simplification and flexibility of the structure can be brought, and the effect/advantage that less truss specifications can be adopted to adapt to all supporting spans is realized.
The upper beam connecting plates 1.3 are arranged at the two ends of the upper beam 1, the lower beam connecting plates 2.3 are arranged at the two ends of the lower beam 2, and the upper beam connecting plates 1.3 are hinged with the upper ends of the diagonal brace sleeve rods 3.1 of the diagonal braces 3 and the lower ends of the diagonal brace inserting rods 3.2 of the lower beam connecting plates 2.3 and the diagonal braces 3 through connecting pieces 6.
After the upper beam 1 and the lower beam 2 determine the installation length within the length adjustable range, one of the lining 4 is positioned at the sleeve end of the loop bars 1.1 and 2.1 of the upper beam 1 and the lower beam 2.1 and the upper beam loop bar 1.1 and the lower beam loop bar 2.2 are respectively locked in position by adopting a positioning piece 7.
After the height of the truss is determined in the height adjustable range of the lining 4, the diagonal brace loop bar 3.1 and the diagonal brace inserted bar 3.2 are locked in position by adopting a positioning piece 7 at the sleeve joint end of the loop bar 3.1 and the inserted bar 3.2.
And the tensioning screw rods 8 are used for tightly supporting and fixing the truss at two ends thereof with the steel beam web plate through threaded connection with nuts at two ends of the upper beam 1 after the truss is installed and positioned in length.
The installation process of the invention is roughly as follows:
when the installation length and height of the truss are determined, the upper beam sleeve rod 1.1 and the upper beam inserted rod 1.2 of the upper beam 1, the lower beam sleeve rod 2.1 and the lower beam inserted rod 2.2 of the lower beam 2, the sleeve inclined strut 3.1 and the inclined strut inserted rod 3.2 of the inclined strut 3 after the height is adjusted, and the lining stop sleeve rod 4.1 and the lining stop inserted rod 4.2 of the lining stop 4 are locked with each other at set point positions through corresponding positioning pieces 7 respectively;
after the installation length of the truss is positioned, two sides of the truss are tightly propped against a web plate of a steel beam 9 in the horizontal direction through tensioning screws 8;
the vertical support sleeve rod 5.1 of the vertical support 5 is connected with an upper beam connecting plate 1.3 of the upper beam 1 through a connecting piece 6 and then connected with a screw rod 5.2 to support the truss on a lower wing plate of a steel beam 9.
One end of a sleeve rod 1.1 of the upper beam 1 is sleeved and inserted with one end of an inserted rod 1.2 and can axially extend and slide, the other ends of the sleeve rod 1.1 and the inserted rod 1.2 are respectively provided with a same connecting plate 1.3, and the sleeve rod 1.1 and the inserted rod 1.2 are respectively connected with a sleeve rod 3.1 of the corresponding inclined strut 3 and a nut sleeve rod 5.1 of the vertical strut 5 through a connecting piece 6; when the loop bar 1.1 and the inserted bar 1.2 are positioned in a telescopic sliding mode, the loop bar is locked through the fixing piece 7 and the sleeve 4.3 of the lining 4.
One end of a sleeve rod 2.1 of the lower beam 2 is sleeved and inserted with one end of an inserted rod 2.2 and can axially extend and slide, the other ends of the sleeve rod and the inserted rod are respectively provided with a same connecting plate 2.3, and the sleeve rod 2.1 and the inserted rod 2.2 are respectively connected with the inserted rod 3.2 of the corresponding inclined strut through a connecting piece 6; when the sleeve rod 2.1 and the inserted rod 2.2 are positioned in a telescopic sliding mode, the sleeve rod is locked through the fixing piece 7 and the sleeve 4.3 of the lining 4.
One end of a loop bar 3.1 of the inclined strut 3 is inserted and connected with one end of an insert bar 3.2 and can axially extend and slide, the other ends of the loop bar and the insert bar are respectively provided with a section of clamping groove which can be respectively inserted into an upper beam connecting plate 1.3 and a lower beam connecting plate 2.3, the end parts of the loop bar and the insert bar are provided with round holes, and the loop bar 3.1 and the insert bar 3.2 are respectively correspondingly connected with the upper beam connecting plate 1.3 and the lower beam connecting plate 2.3 through a connecting piece 6 which can be perforated; when the loop bar 3.1 and the inserted bar 3.2 are positioned in a telescopic sliding way, the loop bar is locked by the fixing piece 7.
One end of a sleeve rod 4.1 of the lining 4 is sleeved and connected with one end of an inserted rod 4.2 and can axially extend and slide, the other ends of the sleeve rod and the inserted rod are respectively provided with a sleeve 4.3 which is respectively welded with the sleeve rod 4.1 and the inserted rod 4.2 into a whole and is respectively sleeved in an upper beam 1(1.1 and 1.2) and a lower beam 2(2.1 and 2.2) and can axially slide back and forth, and the lining 4 is connected with the upper beam 1 and the lower beam 2 so that the distance between the two beams can be kept parallel; the sleeve 4.3 of each loop bar 4.1 and the insert bar 4.2 is respectively connected and fixed with the upper beam 1 and the lower beam 2 through a fixing piece 7; when the loop bar 4.1 and the inserted bar 4.2 are positioned in a telescopic sliding way, the loop bar is locked by the fixing piece 7.
As shown in fig. 3 and 4, the nut end of the nut loop bar 5.1 of the vertical support 5 is connected with one end of the screw 5.2 by screw threads and can move relative to the rotating axial direction, the other end of the nut loop bar 5.1 is provided with a clamping groove which can be sleeved in the connecting plate 1.3 of the upper beam 1, the end part of the nut loop bar is provided with a round hole, and the nut loop bar 5.1 is connected with the connecting plate 1.3 of the upper beam 1 by a connecting piece 6 which can be perforated; the other end of the screw 5.2 is inserted into the hole of the support pad 5.3 and the screw 5.2 is connected with the support pad 5.3 through the fixing piece 5.5, the screw 5.2 inserted into the middle hole of the support pad 5.3 and the support pad 5.3 can rotate relatively in the circumferential direction, and a flat gasket 5.4 is arranged between the screw 5.2 and the support pad 5.3 so as to reduce the friction force between the hexagon head of the screw 5.2 and the top surface of the support pad 5.3 when the screw rotates.
Therefore, the upper beam 1, the lower beam 2, the inclined strut 3 and the lining 4 are connected with one another through the connecting piece 6 to form a stressed truss structure in the shape of an inverted trapezoid on the basis that the lining 4 is sleeved with the upper beam 1 and the lower beam 2, the tensioning screw 8 and the vertical strut 5 which are connected with the upper beam 1 can enable the truss to be tensioned and fixed between the two steel beams in the horizontal direction, and the truss can be vertically arranged on the lower wing plate of the steel beams to bear vertical force in the vertical direction.
The specific installation and implementation process is as follows:
s1, as shown in figure 1, the original retraction state, according to the distance between two steel beams in the required formwork supporting area, the length and height of the truss and the required number of the backing blocks 4 are predetermined, and then the upper beam 1, the lower beam 2, the inclined strut 3, the backing blocks 4 and the vertical strut 5 are assembled into a truss through the connecting piece 6.
S2, the relative position of the loop bar 1.1 and the inserted bar 1.2 of the upper beam 1 and the relative position of the loop bar 2.1 and the inserted bar 2.2 of the lower beam are determined in the length direction, as shown in figure 2, a plurality of lining blocks 4 positioned in the middle are placed on the loop bar at the overlapped positions sleeved and inserted with the inserted bars, and the lining blocks 4 are connected and locked with the upper beam 1 and the lower beam 2 through fixing pieces 7.
S3, after the relative position of the sleeve rod 4.1 and the inserted rod 4.2 of the lining 4 and the relative position of the sleeve rod 5.1 and the inserted rod 5.2 of the diagonal brace 5 are determined in the vertical direction and the diagonal brace direction of the height, as shown in figure 3, the parallel relative position of the upper beam 1 and the lower beam 2 is locked by a fixing piece 7 at the overlapped position where the sleeve rod and the inserted rod are sleeved and inserted; the specific locking positions of the two are arranged near the end face of the sleeve rod contacted with the inserted rod, and the locking method is that the sleeve rod and the inserted rod are fixed by a fastener through hole after being matched with a through hole.
S4, the lining blocks 4 of the upper beam 1 and the lower beam 2, which are positioned at two sides of the middle one, are distributed and positioned at equal intervals and then locked, the locking method is that nuts are welded on the sleeve 4.3 and then fixed with the upper beam loop bar 1.1, the inserted bar 1.2, the lower beam loop bar 2.1 and the inserted bar 2.2 through fasteners.
S5, respectively arranging the tensioning screw rods 8 and nuts loaded at the ends of the upper beam 1 at the two ends of the upper beam 1 to be close to each other, and respectively adjusting the relative positions of the nut loop rods 5.1 and the screw rods 5.2 of the vertical supports 5 at the two ends of the upper beam 1 to the positions of the support pads 5.3 close to the lower wing plates of the adapted steel beams.
S6, mounting the assembled truss between the webs of the two steel beams, keeping the top surface of the upper truss beam 1 at a certain distance (height for placing the wooden stop and the wooden template) from the upper steel beam wing plate, firstly respectively rotating the tensioning screws 8 at the two ends of the upper truss beam 1 by using a wrench tool to enable the tensioning screws 8 to be tensioned and fixed with the steel beam web plate, and then respectively rotating the screw 5.2 of the vertical supports 5 at the two ends of the upper truss beam 1 by using the wrench tool to enable the support pads 5.3 to be in contact and fixed with the lower steel beam wing plate surface.
And S7, similarly, mounting other trusses on the web plates of the steel beams at two ends at set intervals, enabling the top surfaces of the upper trusses to be on the same horizontal plane, then arranging a plurality of wooden shelves on the trusses in a bridging mode at intervals, and then paving wooden templates on the wooden shelves.
And S4, when the truss can be disassembled after the floor concrete pouring construction maintenance period is over, respectively loosening the screw 5.2 and the tensioning screw 8 of the vertical support 5 to loosen and separate the truss and the steel beam, and then disassembling the truss.
And S5, for different steel beam intervals, the length and the height of the truss can be adjusted according to the method in the adjustable range of the sleeve rods and the inserted rods of the upper beam 1, the lower beam 2, the inclined strut 3 and the lining 4, and then the truss can be installed on the steel beams with different intervals.
In addition, when the building construction is a concrete structure, the connection mode of the support pad 5.3 and the screw 5.2 of the vertical support 5 is changed into the structure shown in fig. 5 (wherein the lower end of the screw 5.2 is connected with the ear plate with holes 5.4 on the support pad 5.3 through inserting fasteners), and after the truss is fixed on the two concrete beams according to the methods of S5 and S6, the support pad 5.3 and the concrete beams can be tightly fixed by adopting the internal expansion type expansion bolt 10. Therefore, the adjustable supporting truss of the plane template can be suitable for building construction with steel structures and concrete structures.
While the claims and the description set forth herein represent a preferred embodiment of the inventive concept, it should not be construed as limited to the particular disclosure set forth herein but is to be accorded a full scope consistent with the claims, as well as equivalent or similar, alternative or alternative features, as may be recognized by those skilled in the pertinent art based on the teachings herein.
Claims (10)
1. The utility model provides a support truss with adjustable housing construction plane template which characterized in that: comprises an upper beam (1), a lower beam (2), an inclined strut (3), a lining (4), a vertical strut (5) and a tensioning screw (8); the two ends of the upper beam (1) are horizontally supported and fixed on the vertical fixing surfaces of the two sides through tensioning screws (8), the two end parts of the upper beam (1) are supported and installed on the horizontal fixing surfaces of the two sides through vertical supports (5) in a height-adjustable mode, a lower beam (2) is arranged below the upper beam (1) in parallel, and the lower beam (2) and the upper beam (1) are connected in a height-adjustable mode through inclined supports (3) and lining stops (4).
2. The adjustable support truss for planar formworks of house building according to claim 1, wherein: the upper beam (1) and the lower beam (2) are both set to be structures with adjustable horizontal length, a plurality of lining blocks (4) can be installed between the middle parts of the upper beam (1) and the lower beam (2) in a height-adjustable mode, two inclined struts (3) can be installed between the two ends of the upper beam (1) and the lower beam (2) in a height-adjustable mode, the lining blocks (4) are arranged in the vertical direction perpendicular to the upper beam (1) and the lower beam (2), and the inclined struts (3) are not parallel to the vertical direction.
3. The adjustable support truss for planar formworks of house building according to claim 1, wherein: the upper beam (1) mainly comprises an upper beam sleeve rod (1.1) and an upper beam inserted bar (1.2), one end of the upper beam sleeve rod (1.1) and one end of the upper beam inserted bar (1.2) are coaxially and movably sleeved, the other end of the upper beam sleeve rod (1.1) and one end of a first tensioning screw rod (8) are connected through threads, the other end of the first tensioning screw rod (8) is connected to a vertical fixing surface on one side in a butting mode, the other end of the upper beam inserted bar (1.2) and one end of a second tensioning screw rod (8) are connected through threads, and the other end of the second tensioning screw rod (8) is connected to a vertical fixing surface on the other side in a butting mode.
4. The adjustable support truss for planar formworks of house building according to claim 3, wherein: go up roof beam loop bar (1.1) and go up the roof beam inserted bar (1.2) between coaxial cup joint length fixed back for have the axial overlap section between last roof beam loop bar (1.1) and the last roof beam inserted bar (1.2), cartridge setting element (7) radially pass simultaneously and go up roof beam loop bar (1.1) and last roof beam inserted bar (1.2) in the axial overlap section, make axial fixity between last roof beam loop bar (1.1) and the last roof beam inserted bar (1.2).
5. The adjustable support truss for planar formworks of house building according to claim 3, wherein: the other end of the upper beam loop bar (1.1) and the upper beam inserted bar (1.2) is connected with a horizontal fixing surface in a height adjusting mode through respective one vertical support (5), the vertical support (5) comprises a nut loop bar (5.1), a screw rod (5.2), a support pad (5.3), a flat gasket (5.4) and a fixing piece (5.5), the upper end of the nut loop bar (5.1) is hinged to the end of the upper beam inserted bar (1.2) through a connecting piece (6) and the upper beam loop bar (1.1), the upper end of the screw rod (5.2) is sleeved in a threaded hole at the lower end of the nut loop bar (5.1) through threads, the lower end of the screw rod (5.2) is further movably sleeved with the support pad (5.3) through the fixing piece (5.5), the lower end of the screw rod (5.2) is provided with the outer flange (5.4), and the flat gasket (5.3) is arranged between the outer flange and the support pad (5.3).
6. The adjustable support truss for planar formworks of house building according to claim 1, wherein: the lower beam (2) mainly comprises a lower beam sleeve rod (2.1) and a lower beam inserted rod (2.2), one end of the lower beam sleeve rod (2.1) and one end of the lower beam inserted rod (2.2) are coaxially and movably sleeved with each other, and the other ends of the lower beam sleeve rod (2.1) and the lower beam inserted rod (2.2) are respectively connected with the two ends of the upper beam (1) in a height-adjustable manner through inclined struts (3); the middle parts of the lower beam loop bar (2.1), the lower beam inserted bar (2.2) and the upper beam loop bar (1.1) and the upper beam inserted bar (1.2) are connected in a height-adjustable way through a plurality of lining stops (4) which are arranged at intervals along the beam direction.
7. The adjustable support truss for planar formworks of house building according to claim 6, wherein: bracing (3) mainly constitute by bracing loop bar (3.1) and bracing inserted bar (3.2), the tip that connecting piece (6) and upper beam (1) are passed through to bracing loop bar (3.1) upper end is articulated, cup joint by the coaxial activity each other in bracing loop bar (3.1) lower extreme and bracing inserted bar (3.2) upper end, bracing inserted bar (3.2) lower extreme passes through the tip of connecting piece (6) and underbeam loop bar (2.1)/underbeam inserted bar (2.2) and articulates.
8. The adjustable support truss for planar formworks of house building according to claim 6, wherein: the lining (4) mainly comprises a lining sleeve rod (4.1) and a lining insert rod (4.2), the upper end of the lining sleeve rod (4.1) can be movably sleeved on the upper beam (1) along the direction of the upper beam (1), the lower end of the lining sleeve rod (4.1) and the upper end of the lining insert rod (4.2) are coaxially and movably sleeved with each other, and the lower end of the lining insert rod (4.2) can be movably sleeved on the lower beam (2) along the direction of the lower beam (2); the lining stop sleeve rod (4.1) is arranged between the upper end and the upper beam (1), and the lining stop inserted rod (4.2) is arranged between the lower end and the lower beam (2) and fixed along the horizontal direction of the beam through a positioning piece (7).
9. The adjustable support truss for planar formworks of house building according to claim 6, wherein: a wooden template (11) and a wooden stop (12) are arranged on the adjustable supporting truss.
10. The adjustable support truss for planar formworks of house building according to claim 1, wherein: the adjustable supporting truss is arranged between the two steel beams (9), the side face of a web plate of each steel beam (9) is used as a vertical fixing face, and the upper surface of a lower flange of each steel beam (9) is used as a horizontal fixing face.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210382973.0A CN114541742A (en) | 2022-04-12 | 2022-04-12 | Adjustable support truss for house building plane template |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210382973.0A CN114541742A (en) | 2022-04-12 | 2022-04-12 | Adjustable support truss for house building plane template |
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| CN202210382973.0A Pending CN114541742A (en) | 2022-04-12 | 2022-04-12 | Adjustable support truss for house building plane template |
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