CN110565949A - Stair step directional steel template and construction method - Google Patents
Stair step directional steel template and construction method Download PDFInfo
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- CN110565949A CN110565949A CN201910939049.6A CN201910939049A CN110565949A CN 110565949 A CN110565949 A CN 110565949A CN 201910939049 A CN201910939049 A CN 201910939049A CN 110565949 A CN110565949 A CN 110565949A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 229
- 239000010959 steel Substances 0.000 title claims abstract description 229
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 239000002002 slurry Substances 0.000 claims description 25
- 238000003860 storage Methods 0.000 claims description 21
- 239000011440 grout Substances 0.000 claims description 13
- 230000001502 supplementing effect Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 238000004513 sizing Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000001174 ascending effect Effects 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 5
- 230000007306 turnover Effects 0.000 abstract description 4
- 239000004570 mortar (masonry) Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 238000009415 formwork Methods 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/06—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall
- E04G13/062—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall for stairs or steps
-
- 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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
- E04G17/0655—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning the element consisting of several parts
-
- 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
- E04G9/00—Forming or shuttering elements for general use
- E04G9/02—Forming boards or similar elements
- E04G9/06—Forming boards or similar elements the form surface being of metal
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention discloses a stair step directional steel template, which comprises a support frame, a support template and a step steel mold, wherein the support frame is vertically and fixedly arranged between an upper floor and a lower floor and is used for supporting and fixing the support template, the support template is obliquely arranged between the upper floor and the lower floor, the step steel mold is fixed along the surface of the support template, two or more than two fixing groove steel bars are arranged in parallel above the step steel mold, and the fixing groove steel bars, the step steel mold and the support template are fixedly connected through a pull rod assembly. The concrete supporting module can be easily disassembled after concrete is poured and shaped, all parts of the supporting module can be repeatedly used, turnover is convenient, and material consumption and cost of construction are reduced.
Description
Technical Field
the invention belongs to the technical field of building construction, and particularly relates to a stair step directional steel template and a construction method.
Background
The stair is an important structure in the house building, at present, along with the development of house building science, the requirements of building patterns such as housing, capital construction and the like are continuously improved, the design style of buildings is continuously developed, the design modes of high-rise and super high-rise buildings are increasingly increased, and on the other hand, the building industry has certain requirements on the safety, quality, progress and cost of the buildings. The stairway is an important structure in the building construction, is an important passage between an upper floor and a lower floor, and is special in shape, so that a special mold is required for pouring construction. In the current stair construction process, a stair steel formwork is manufactured according to the designed shape and size, then the assembled plates are assembled into a trapezoidal support steel formwork, then concrete is poured on the support steel formwork, and quality defects such as slurry leakage and formwork expansion often occur in the pouring process. The support steel form is fixed through connecting pieces such as spindles and the like and assembled, the form is not convenient to disassemble and turnover due to reuse after concrete pouring, part of fixed connecting pieces are located inside the form and are difficult to disassemble the form, after the steel form is disassembled and completed, the concrete surface of the stair after pouring can be obviously observed to be in a honeycomb hemp surface shape, the flatness of the stepping surface is poor, and the quality of concrete pouring forming is seriously influenced.
disclosure of Invention
The invention aims to provide a stair step directional steel template and a construction method, the directional steel template can enable concrete to be easily detached after being poured and shaped, all parts of the directional steel template can be repeatedly utilized, the turnover is convenient, the material consumption and the cost of construction are reduced, the appearance of the surface of a concrete stair is good, the step surface is smooth, and the construction efficiency is improved. In order to achieve the purpose, the invention adopts the following technical scheme:
According to one aspect of the invention, a stair step directional steel template is provided, which comprises a support frame, a support template and a step stair steel template, the supporting frame is vertically and fixedly arranged between the upper floor and the lower floor and is used for supporting and fixing the supporting template, the support template is obliquely arranged between an upper floor and a lower floor, the step steel mould is fixed along the surface of the support template, a storage space for placing a concrete embedded part is formed between the bottom of the step steel mould and the surface of the support template, two or more than two fixed groove steel bars are arranged in parallel along the upper part of the step steel mould, the fixed groove steel bar is parallel to the plane of the stepping step steel mould, the fixed groove steel bar, the stepping step steel mould and the supporting template are fixedly connected through a pull rod component, the pull rod assembly sequentially and vertically penetrates through the fixed groove steel bar, the step steel die and the supporting template and is locked and fixed.
The further preferred of above-mentioned scheme, pull rod assembly includes to drawing the screw rod, go up locking nut, lock nut, sleeve pipe and sleeve cap down, the sleeve cap sets up the surface at the supporting template, sheathed tube one end is passed perpendicularly and is established after ladder steel mould and the supporting template of marking time in the sleeve cap, the sheathed tube other end stretches out the outside at ladder steel mould of marking time, to drawing the one end of screw rod in proper order perpendicularly pass fixed slot billet, sheathed tube one end, ladder steel mould, supporting template, sheathed tube other end and sleeve cap of marking time with lock nut carries out threaded connection down to will lock nut fixes the surface at the supporting template down, fix through locking nut on the fixed slot the other end of drawing the screw rod.
The scheme is further preferred, the lower locking nut comprises a lower locking part and an upper locking part which are integrally formed, the inner diameter of the upper locking part is smaller than that of the lower locking part, the sleeve cap comprises a base plate surface and a convex cap which extends upwards from the base plate surface, a through hole for a pull screw to pass through is arranged at the top end of the sleeve cap, the base plate surface is in close contact with the outer surface of the supporting template, the lower locking part is sleeved on the outer wall of the convex cap and is connected with the outer wall of the convex cap through threads, one end of the sleeve is inserted into the convex cap, the other end of the sleeve extends out of the stepped steel mold, the sleeve is vertically inserted from one side of the stepped steel mold and penetrates through the outer surface of the supporting template to extend into the convex cap, one end of the pull screw vertically penetrates through the fixing groove steel bar, one end of the sleeve, the steel mold, the supporting template, the other end of the sleeve and the convex cap in turn to be in threaded connection with the upper, the other end of the counter-pulling screw rod is fixed on the fixed groove steel bar through an upper locking nut.
In the above aspect, it is further preferable that a butterfly-shaped screwing portion is further provided on an outer wall at a transition between the lower locking portion and the upper locking portion.
In a further preferred embodiment of the above solution, a support gasket is further sleeved on the tension screw between the outer surface of the support template and the cap.
The further preferred of above-mentioned scheme, the fixed slot billet slope sets up between upper floor and lower floor and parallel with the plane at ladder steel mould place of marking time, the upper end of fixed slot billet is fixed through adjusting the pole with the upper surface of upper floor again after stretching out along the upper surface parallel of upper floor, the lower extreme of fixed slot billet is fixed through adjusting the pole down with the upper surface of lower floor again after stretching out along the upper surface parallel of lower floor, is provided with a plurality of L shape design angle steel on the fixed slot billet, the fixed slot billet is through L shape design angle steel and the ascending ladder part fixed connection of ladder steel mould of marking time.
according to the scheme, the step steel die is further preferably integrally formed on one side or two sides of the step steel die and extends out of the supporting baffle, one side or two sides of the step steel die is supported on the upper surface of the supporting template through the supporting baffle, so that the step steel die, the supporting baffle and the supporting template enclose a storage space for placing the concrete embedded part, and a plurality of sieve holes are formed in the planar step part of the step steel die.
above-mentioned scheme is further preferred the outside edge of the step ladder of the ladder steel mould top of marking time is provided with and keeps off the thick liquid bounding wall be provided with the grout mouth on the step ladder of the ladder steel mould top of marking time, the size of dimensions of this grout mouth is close the step ladder part of the ladder steel mould top of marking time.
according to the scheme, the step steel mould is further preferably provided with one or more than two grout supplementing openings in the plane step part, and the edge of the opening part of each grout supplementing opening is also provided with a plugging door body for plugging the grout supplementing openings.
The further preferred of above-mentioned scheme the backup pad lower surface is provided with the support and violently manages, is provided with the support coupling assembling on being close to the support frame of backup pad bottommost end and top, the support violently manage through support coupling assembling with the top of support frame is connected to make the backup pad violently manage through the support and support coupling assembling fix on the support frame.
In another aspect of the present invention, the present invention provides a method for constructing a stair step directional steel form, comprising the steps of:
step 1, manufacturing a support mold according to the size of a stair, and hoisting the support mold between an upper floor and a lower floor for installation, wherein the support mold comprises a support frame, a support template, a step steel mold, a fixed groove steel bar and a pull rod assembly; hoisting the supporting template between an upper floor and a lower floor, selecting supporting frames with different heights to support and fix the supporting template, and adjusting the heights of the supporting frames to enable the upper end and the lower end of the supporting template to be respectively aligned with the heights of the upper floor and the lower floor;
Step 2, manufacturing a concrete embedded part on the supporting template, and hoisting the stepping ladder steel die to the supporting template, so that the storage space formed between the bottom of the stepping ladder steel die and the surface of the supporting template is larger than the space occupied by the concrete embedded part; completely covering the concrete embedded part on the inner side of the edge of the supporting template;
step 3, obliquely installing and fixing the fixing groove steel bars above the stepping step steel die 3 and mutually connecting and fixing the fixing groove steel bars through L-shaped shaping angle steel, so that the stepping step steel die is stably fixed on a supporting template between an upper floor and a lower floor;
step 4, obliquely installing and fixing the fixing groove steel bars above the stepping step steel die and mutually connecting and fixing the fixing groove steel bars through L-shaped shaping angle steel, so that the stepping step steel die is stably fixed on a supporting template between an upper floor and a lower floor;
Step 5, sequentially penetrating a sleeve through the stepping step steel die and the supporting template, reserving one end of the sleeve outside the stepping step steel die, inserting the other end of the sleeve into a sleeve cap on the lower surface of the supporting template, sequentially penetrating a counter screw through the fixed groove steel bar, the sleeve and the sleeve cap, wherein one end of the counter screw is in threaded connection with the counter screw and the sleeve cap through a lower locking nut, and the other end of the counter screw is fixed on the fixed groove steel bar through an upper locking nut, so that the sleeve is sleeved outside the counter screw, and the counter screw inserted into the storage space is protected through the sleeve;
And 6, continuously pouring concrete slurry from a grouting opening at the top end of the stepping step steel die, vibrating while pouring until the stepping step steel die is full, and sequentially dismantling the counter-pulling screw, the full-stepping step steel die and the supporting template after the concrete slurry reaches the specified strength.
Preferably, the construction method further comprises the steps of spraying release agents on the upper surface of the supporting template and the inner surface of the stepping step steel die respectively, so that the steel die is easier to disassemble, and continuously pouring concrete slurry through the slurry supplementing port while vibrating until the slurry supplementing is finished.
in summary, due to the adoption of the technical scheme, the invention has the following technical effects:
(1) The directional steel template is directly assembled with the supporting template through the integrally formed step steel die, the lower surface of the step steel die is in an open shape, a relatively closed storage space is formed after the step steel die and the supporting template are directly assembled, the manufacturing process of the supporting membrane is reduced, the process of wiping, pressing and smoothing is reduced during pouring, the appearance of the surface of the concrete stair is good, the building efficiency is improved, the disassembled step steel die and the supporting template pull rod assembly can be recycled after the stair is shaped, the material resource and the cost are saved, the quality of a stair finished product is better improved, the process is simple during manufacturing, and the stair can be customized according to the size in actual use.
(2) The directional steel template is convenient to assemble and disassemble, each part can be repeatedly used, the turnover is convenient, the material consumption and the cost of construction are reduced, the molding quality during concrete pouring is also ensured, the stepped steel mould and the counter-pull screw rod can be easily disassembled after the concrete is poured and shaped, and the disassembly convenience is further improved.
Drawings
FIG. 1 is a schematic construction diagram of a stair step directional steel template of the present invention;
FIG. 2 is a schematic view of the installation position of the support template and the stepping step steel mold of the invention;
FIG. 3 is a schematic front perspective view of the step steel form of the present invention;
FIG. 4 is a schematic view of a back side three-dimensional structure of the stepping step steel mold of the present invention;
FIG. 5 is a schematic front view of the step steel mold of the present invention;
FIG. 6 is a schematic structural view of the support and connection assembly of the present invention;
FIG. 7 is a schematic view of the assembled construction of the tie rod assembly of the present invention;
FIG. 8 is a schematic view of the linkage arrangement of the tie rod assembly of the present invention;
FIG. 9 is a schematic view of the construction of the cap of the present invention;
in the drawing, a support frame 1, a support template 2, a step steel mold 3, a fixed groove steel bar 4, a pull rod assembly 5, a horizontal support pipe 10, a support bottom plate 11, a movable support plate 12, a support lug 13, a lifting adjusting seat 14, a concrete embedded part 20, a storage space 21, a sieve pore 31, a slurry blocking enclosure plate 32, a grouting port 33, a slurry supplementing port 34, a plugging door body 35, an upper adjusting rod 40, a lower adjusting rod 41, a counter-pull screw 50, an upper locking nut 51, a lower locking nut 52, a sleeve 53, a sleeve cap 54, a support gasket 55, an upper floor 101, a lower floor 102, a lower locking part 520, an upper locking part 521, a butterfly screwing part 522, a bottom plate surface 540, a convex cap 541 and a through hole 542.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings by way of examples of preferred embodiments. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.
As shown in fig. 1, 2, 3, 4 and 5, the stair step directional steel form according to the present invention comprises a support frame 1, a support form 2 and a step steel form 3, the step number of the step steel form 3 is 8-30 steps, preferably 16 steps, the support frame 1 is vertically and fixedly installed between an upper floor and a lower floor and is used for supporting and fixing the support form 2, the support form 2 is obliquely installed between an upper floor 101 and a lower floor 102, the step steel form 3 is fixed along the surface of the support form 2, a storage space 21 for placing a concrete pre-embedded part 20 is formed between the bottom of the step steel form 3 and the surface of the support form 2, two or more fixing groove steel bars 4 are installed in parallel above the step steel form 3, the fixing groove steel bars 4 are parallel to the plane of the step steel form 3, the width of the fixing groove steel bars 4 is 8-15 cm, the thickness of the steel bar is 2cm-5mm, the fixed groove steel bar 4, the stepping step steel die 3 and the support template 2 are fixedly connected through a pull rod assembly 5, and the pull rod assembly 5 sequentially and vertically penetrates through the fixed groove steel bar 4, the stepping step steel die 3 and the support template 2 and is locked and fixed; the fixing groove steel bar 4 is obliquely arranged between an upper floor 101 and a lower floor 102 and is parallel to a plane where the stepping step steel die 3 is located, the upper end of the fixing groove steel bar 4 extends in parallel along the upper surface of the upper floor 101 and then is fixed with the upper surface of the upper floor 101 through an upper adjusting rod 40, the lower end of the fixing groove steel bar 4 extends in parallel along the upper surface of the lower floor 102 and then is fixed with the upper surface of the lower floor 102 through a lower adjusting rod 41, a plurality of L-shaped sizing angle steels 6 are arranged on the fixing groove steel bar 4, the fixing groove steel bar 4 is fixedly connected with an ascending step part of the stepping step steel die 3 through the L-shaped sizing angle steels 6, the two L-shaped sizing angle steels 6 fix and limit the upper and lower stepping steps of the stepping step steel die 3, the installation accuracy of the stepping step steel die 3 is ensured, and the construction quality of the stair is improved; a supporting transverse pipe 10 is arranged on the lower surface of the supporting template 2, a supporting connecting assembly is arranged on the supporting frame 1 close to the lowest end and the uppermost end of the supporting template 2, the supporting transverse pipe 10 is connected with the top end of the supporting frame 1 through the supporting connecting assembly, so that the supporting template 2 is fixed on the top end of the supporting frame 1 through the supporting transverse pipe 10 and the supporting connecting assembly, the supporting connecting assembly comprises a fixed supporting bottom plate 11 and a movable supporting plate 12, as shown in fig. 6, the supporting bottom plate 11 is detachably fixed on the supporting frame 1 (a supporting frame formed by supporting steel pipes), one end of the fixed supporting bottom plate 11 is hinged (rotatably connected) with one end of the movable supporting plate 12, a plurality of supporting lugs 13 are arranged on the outer surface of the supporting template 2, and the supporting lugs 13 are used for respectively connecting the fixed supporting bottom plate, during construction, the supporting lugs 13 are fixed at proper positions on the outer surface of the supporting template 2, the fixed supporting base plate 11 is fixedly connected with the supporting lugs 13, the fixed supporting base plate 11 is horizontally or obliquely arranged at the top end of the supporting frame 1, the supporting transverse tube 10 is fixedly arranged on the fixed supporting base plate 11, the lifting adjusting seat 14 at the bottom end of the supporting frame 1 is adjusted so as to adjust the height of the whole supporting frame 1, so that the supporting template 2 is stably and fixedly arranged on the supporting transverse tube 10 and is supported and fixed by the supporting frame 1, finally the movable supporting plate 12 is upwards rotated to a proper position along the fixed supporting base plate 11, the movable supporting plate 12 forms a certain included angle and is in close contact with the supporting transverse tube 10, and the movable supporting plate 12 is fixedly connected with the supporting lugs 13 corresponding to the small surface of the supporting template 2 through the free end part of the movable supporting plate 12 after clamping the supporting transverse tube 10, when the support is disassembled, the support transverse tube 10 can be taken out after the movable support plate 12 on the support frame fixedly connected with the same support transverse tube 10 and the corresponding support lug 13 are disassembled, thereby the support template 2 is disassembled, and the support template 2 is convenient to install and disassemble
In the invention, as shown in fig. 3 and 4, a support baffle 30 is integrally formed and extended on one side or two sides of the stepping ladder steel die 3, one side or two sides of the stepping ladder steel die 3 are supported on the upper surface of the support template 2 through the support baffle 30, the support baffle 30 on one side or two sides of the stepping ladder steel die 3 is extended downwards from the lower surface of the stepping ladder steel die 3, the edge of the support baffle 30 is parallel to the support template 2, so that the stepping ladder steel die 3, the support baffle 30 and the support template 2 enclose a storage space 21 for placing a concrete embedded part 20, and a plurality of sieve holes 31 are arranged on the planar step part of the stepping ladder steel die 3; the outer edge of the uppermost plane step of the stepping step steel die 3 is provided with a slurry blocking coaming plate 32, the uppermost plane step of the stepping step steel die 3 is provided with a grouting opening 33, the size of the grouting opening 33 is close to that of the uppermost plane step part of the stepping step steel die 3, the plane step part of the stepping step steel die 3 is also provided with one or more than two slurry supplementing openings 34, the edge of the opening part of the grouting opening 34 is also provided with a plugging door body 35 for plugging the slurry supplementing openings 34, the plugging door body 35 is closed when concrete mortar is poured, and the concrete mortar is opened when the concrete mortar is required to be supplemented, so that the situation that the amount of the concrete mortar poured in the space of the stepping step steel die 3 is insufficient is avoided, and a cavity is prevented from being formed in the concrete stepping step; in the present invention, concrete mortar is poured from the top grouting opening 33, the amount of the concrete mortar is configured and stirred according to the size of the stairs, concrete is poured into the storage space 21 while vibrating, and the storage space 21 is discharged through the screen hole 31 along with the entering air of the concrete mortar. When the sieve holes 31 are not vented and the concrete flows outwards, the sieve holes 31 are blocked and sealed, and the pouring is stopped after the whole storage space 21 is fully poured; and to the storage space 21 that has not fully pour enough mortar, cavity formation easily, accessible stifled grout joint 34 is pour, in-process and the vibrating process to the effort of concrete, can be with the concrete thick liquids of constantly putting into under the action of gravity, the concrete thick liquids constantly slide down on supporting template 2 will be at the concrete compaction of supporting template 2 lower extreme, through the effect of stepping ladder steel mould 3 to concrete thick liquids protection and fixed action, the concrete stair of marking time that has obtained the good surface impression quality need not again to be wiped and pressed and is received light by the manual work, and concrete stair of marking time construction efficiency is high, after concrete stair of marking time fixed molding, dismantle ladder steel mould 3 and supporting template 2 of marking time through pull rod assembly 5 connection, can dismantle ladder steel mould 3 of marking time, recycle again.
in the present invention, as shown in fig. 7, 8 and 9, the pulling rod assembly 5 includes a counter-pulling screw 50, an upper locking nut 51, a lower locking nut 52, a sleeve 53 and a cap 54, the cap 54 is disposed on the outer surface of the supporting form 2, one end of the sleeve 53 vertically penetrates through the stepping step steel die 3 and the supporting form 2 and then is sleeved in the cap 54, the other end of the sleeve 53 extends outside the stepping step steel die 3, one end of the counter-pulling screw 50 sequentially and vertically penetrates through the fixing groove steel bar 4, one end of the sleeve 53, the stepping step steel die 3, the supporting form 2, the other end of the sleeve 53 and the cap 54 to be in threaded connection with the lower locking nut 52, and the lower locking nut 52 is fixed on the outer surface of the supporting form 2, the other end of the counter-pulling screw 50 is fixed on the steel bar 4 through the upper locking nut 51, and a supporting pad is further sleeved on the counter-pulling screw 50 between the outer surface of the supporting form 2 and the cap 54 The sheet 55, the supporting pad 55 supports the cap 54, so as to prevent the slurry from penetrating into the convex cap 541 when the concrete slurry is poured, and at the same time, the thickness of the supporting pad 55 can be increased to increase the height of the cap 54 on the outer surface of the supporting formwork 2, so that a part of the sleeve 53 extending into the cap 54 has a larger movable gap space, so that the split screw 50 can be easily detached.
in the present invention, as shown in fig. 7, 8 and 9, the lower locking nut 52 includes a lower locking portion 520 and an upper locking portion 521 that are integrally formed with each other, an inner diameter of the upper locking portion 521 is smaller than an inner diameter of the lower locking portion 520, the cap 54 includes a base surface 540 and a convex cap 541 extending upward from the base surface 540, a through hole 542 for passing the opposite pulling screw 50 is provided at a top end of the cap 54, the base surface 540 is in close contact with an outer surface of the support form 2, the lower locking portion 520 is fitted over an outer wall of the convex cap 541 and connected by a screw, one end of the sleeve 53 is inserted into the convex cap 541, the other end of the sleeve 53 extends outside the step steel form 3, the sleeve 53 is vertically inserted from one side of the step steel form 3 and extends into the convex cap 541 through the outer surface of the support form 2, and one end of the opposite pulling screw 50 sequentially and vertically passes through the fixing groove 4, the fixing groove, the upper locking portion 521, and the lower locking portion, One end of the sleeve 53, the step steel mold 3, the supporting template 2, the other end of the sleeve 53 and the convex cap 541 are in threaded connection with the upper locking portion 521, the other end (upper end) of the counter screw 50 is fixed on the fixed groove steel bar 4 through the upper locking nut 51, a butterfly-shaped screwing portion 522 is further arranged on the outer wall of the transition portion between the lower locking portion 520 and the upper locking portion 521, the lower locking portion 520 on the lower locking nut 52 is in threaded connection with the outer wall of the convex cap 541 through the butterfly-shaped screwing portion 522, the upper locking portion 521 on the lower locking nut 52 is connected with the lower end of the counter screw 50, the lower end of the counter screw 50 is fixed on the outer surface of the supporting template 2 through the sleeve cap 54 and the lower locking nut 52, and then the upper end of the counter screw 50 is fixed on the steel bar 4 through the upper locking nut 51, so that the supporting template 2 and the step steel mold 3 are fixed on the fixed groove steel bar 4 and the lower locking nut through the counter screw 50 in a counter manner 52, a sleeve 53 (rubber sleeve or plastic sleeve) is sleeved on the counter screw 50 penetrating into the stepping steel mold 3, the upper end of the sleeve 53 is exposed outside the upper surface of the stepping steel mold 3, the lower end of the sleeve 53 penetrates through the supporting template 2 and then is inserted into the convex cap 541, the top end inside the convex cap 541 is an arc-shaped wall surface, so that the sleeve 53 is conveniently supported by the convex cap 541, the counter screw 50 penetrates through the lower end of the sleeve 53 and the through hole 542 of the convex cap 541, then the lower locking part 520 (nut, threaded cylinder or threaded pipe with internal thread) is in threaded connection with the outer wall of the convex cap 541, the upper locking part 521 (nut or threaded cylinder with internal thread) is connected with the counter screw 50, the counter screw 50 is a metal screw, and the chassis surface 540 is supported by the lower surface of the supporting template 2 and is connected with the upper end of the counter screw 50 through the upper locking nut 51, so that the opposite-pulling screw rods 50 are fixed together by being oppositely pulled between the supporting template 2 and the stepping stair steel mold 3, when the concrete slurry is poured, the sleeve 53 is directly contacted with the concrete slurry in the storage space 21, the counter-pulling screw 50 is not contacted with the poured concrete slurry, when the concrete is dismantled after pouring and shaping, the counter-pulling screw 50 can be directly taken out from the sleeve 53, the support die is convenient to assemble and easy to disassemble, all parts can be recycled, the material consumption and the cost of construction are reduced, the forming quality during concrete pouring is ensured, the step steel die 3 and the counter-pull screw can be easily disassembled after the concrete is poured and shaped, and the disassembly convenience is further improved.
with reference to fig. 1 to 9, the construction process of the stair step directional steel form is further described, and the construction process includes the following steps:
step 1, manufacturing a support mold according to the size of a stair, hoisting the support mold between an upper floor 101 and a lower floor 102, and installing, wherein the support mold comprises a support frame 1, a support template 2, a stepping step steel mold 3, a fixed groove steel bar 4 and a pull rod assembly 5; hoisting the supporting template 2 between the upper floor 101 and the lower floor 102, selecting the supporting frames 1 with different heights to support and fix the supporting template 2, and adjusting the height of the supporting frame 1 to align the upper end and the lower end of the supporting template 2 with the heights of the upper floor 101 and the lower floor 102 respectively;
step 2, respectively spraying release agents on the upper surface of the supporting template 2 and the inner surface of the stepping ladder steel die 3, manufacturing a concrete embedded part 20 on the supporting template 2 (namely manufacturing a proper steel reinforcement framework and placing the reinforcement framework on the upper surface of the supporting template 2), and hoisting the stepping ladder steel die 3 onto the supporting template 2, so that a storage space 21 formed between the bottom of the stepping ladder steel die 3 and the surface of the supporting template 2 is larger than the space occupied by the concrete embedded part 20; and completely covering the concrete embedded part 20 on the inner side of the edge of the supporting template 2;
Step 3, obliquely installing and fixing the fixing groove steel bars 4 above the stepping step steel die 3 and mutually connecting and fixing the fixing groove steel bars through L-shaped setting angle steels 6, so that the stepping step steel die 3 is stably fixed on the supporting template 2 between the upper floor 101 and the lower floor 102;
Step 4, obliquely installing and fixing the fixing groove steel bars 4 above the stepping step steel die 3 and mutually connecting and fixing the fixing groove steel bars through L-shaped setting angle steels 6, so that the stepping step steel die 3 is stably fixed on the supporting template 2 between the upper floor 101 and the lower floor 102;
step 5, sequentially penetrating a sleeve 53 through the stepping step steel die 3 and the supporting template 2, wherein one end of the sleeve 53 is reserved outside the stepping step steel die 3, the other end of the sleeve is inserted into a sleeve cap 54 on the lower surface of the supporting template 2, and then sequentially penetrating a counter-pull screw 50 through a fixed groove steel bar 4, the sleeve 53 and the sleeve cap 54, wherein one end of the counter-pull screw 50 is in threaded connection with the counter-pull screw 50 and the sleeve cap 54 through a lower locking nut 52, and the other end of the counter-pull screw 50 is fixed on the fixed groove steel bar 4 through an upper locking nut 51, so that the sleeve 53 is sleeved outside the counter-pull screw 50, and the counter-pull screw 50 inserted into the storage space 21 is protected through the sleeve 53;
step 6, continuously pouring concrete slurry from a grouting opening 33 at the top end of the stepping step steel die 3, vibrating while pouring until the pouring is full, opening the plugging door body 35 to continuously pour the concrete slurry through a grout supplementing opening 34 aiming at the poured concrete slurry and aiming at the storage space 21 without fully pouring enough mortar, vibrating while pouring until the grout supplementing is finished, and closing the plugging door body 35; and (3) after the concrete slurry reaches the specified strength, sequentially dismantling the counter-pulling screw rod 50, the step steel die 3 and the supporting template 2.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (10)
1. The utility model provides a directional steel form of stair step which characterized in that: the concrete storage device comprises a support frame (1), a support template (2) and a stepping ladder steel die (3), wherein the support frame (1) is vertically and fixedly arranged between an upper floor and a lower floor and is used for supporting and fixing the support template (2), the support template (2) is obliquely arranged between an upper floor (101) and a lower floor (102), the stepping ladder steel die (3) is fixed along the surface of the support template (2), so that a storage space (21) for placing a concrete embedded part (20) is formed between the bottom of the stepping ladder steel die (3) and the surface of the support template (2), two or more than two fixing grooves (4) are arranged in parallel above the stepping ladder steel die (3), the fixing grooves (4) are parallel to the plane where the stepping ladder steel die (3) is located, and the fixing grooves (4), the stepping steel die (3) and the support template (2) are fixedly connected through a pull rod assembly (5), the pull rod assembly (5) sequentially and vertically penetrates through the fixed groove steel bar (4), the step steel die (3) and the supporting template (2) and is locked and fixed.
2. The stair step directional steel form of claim 1, wherein: draw bar assembly (5) including to drawing screw rod (50), locking nut (51) on, lock nut (52) down, sleeve pipe (53) and cover cap (54), cover cap (54) sets up the surface at supporting template (2), the one end of sleeve pipe (53) is passed perpendicularly and is marked step steel mould (3) and supporting template (2) back cover establish in cover cap (54), the other end of sleeve pipe (53) stretches out the outside at step steel mould (3) of marking time, to the one end of drawing screw rod (50) in proper order perpendicularly pass the one end of fixed slot (4), sleeve pipe (53), step steel mould (3) of marking time, support template (2), the other end and the cover cap (54) of sleeve pipe (53) and lock nut (52) carry out threaded connection down to fix lock nut (52) down at the surface of supporting template (2), the other end of drawing screw rod (50) is fixed through locking nut (51) on fixed slot (4) The above.
3. the stair step directional steel form of claim 2, wherein: the lower locking nut (52) comprises a lower locking part (520) and an upper locking part (521) which are integrally formed, the inner diameter of the upper locking part (521) is smaller than that of the lower locking part (520), the sleeve cap (54) comprises a base plate surface (540) and a convex cap (541) which extends out upwards from the base plate surface (540), a through hole (542) for allowing a pulling screw rod (50) to pass through is formed in the top end of the sleeve cap (54), the base plate surface (540) is in close contact with the outer surface of the supporting template (2), the lower locking part (520) is sleeved on the outer wall of the convex cap (541) and is connected through threads, one end of the sleeve (53) is inserted into the convex cap (541), the other end of the sleeve (53) extends out of the step steel die (3), the sleeve (53) is vertically inserted from one side of the step steel die (3) and extends into the convex cap (541) through the outer surface of the supporting template (2), one end of the counter-pulling screw rod (50) sequentially and vertically penetrates through one end of the fixed groove steel bar (4), one end of the sleeve (53), the step ladder steel die (3), the supporting template (2), the other end of the sleeve (53) and the convex cap (541) to be in threaded connection with the upper locking part (521), and the other end of the counter-pulling screw rod (50) is fixed on the fixed groove steel bar (4) through the upper locking nut (51).
4. the stair step directional steel form of claim 3, wherein: the outer wall of the transition part of the lower locking part (520) and the upper locking part (521) is also provided with a butterfly screwing part (522), and a support gasket (55) is sleeved on the counter-pull screw (50) between the outer surface of the support template (2) and the sleeve cap (54).
5. The stair step directional steel form of claim 1, wherein: fixed slot billet (4) slope sets up between upper floor (101) and lower floor (102) and parallel with the plane at ladder steel mould (3) place of marking time, the upper end of fixed slot billet (4) stretches out the back along the upper surface parallel of upper floor (101) and fixes through upper adjustment pole (40) with the upper surface of upper floor (101) again, the lower extreme of fixed slot billet (4) stretches out the back along the upper surface parallel of lower floor (102) and fixes through lower adjustment pole (41) with the upper surface of lower floor (102) again, is provided with a plurality of L shape design angle steel (6) on fixed slot billet (4), fixed slot billet (4) are through the ascending ladder part fixed connection of L shape design angle steel (6) and ladder steel mould (3) of marking time.
6. The stair step orientation steel form of claim 1, 2, 3 or 6, wherein: step ladder steel mould (3) one side or both sides integrated into one piece stretch out and have supporting stop (30), and one side or both sides of this step ladder steel mould (3) of should marking time are passed through supporting stop (30) and are supported the upper surface of supporting template (2) makes step ladder steel mould (3), supporting stop (30) and supporting template (2) enclose into storage space (21) of placing concrete built-in fitting (20) the plane ladder part of step ladder steel mould (3) of marking time is provided with a plurality of sieve meshes (31).
7. The stair step directional steel form of claim 7, wherein: step ladder steel mould (3) the outside edge of the plane ladder of the top articulated fender thick liquid bounding wall (32) that is provided with of marking time is provided with grout mouth (33) on the plane ladder of step steel mould (3) the top, and the size of this grout mouth (33) is close the plane ladder part of step steel mould (3) the top of marking time the plane ladder part of step steel mould (3) of marking time still is provided with one or more than two grout ports (34), still is provided with the shutoff door body (35) that are used for shutoff grout port (34) at the opening edge of grout port (34).
8. the stair step directional steel form of claim 1, wherein: the supporting template (2) lower surface is provided with and supports violently pipe (10), is provided with the support coupling assembling on support frame (1) near supporting template (2) lowermost end and top, support violently pipe (10) through support coupling assembling with the top of support frame (1) is connected to make supporting template (2) violently pipe (10) through supporting and support coupling assembling and fix on support frame (1).
9. a construction method of a stair step directional steel template is characterized by comprising the following steps: the method comprises the following steps:
Step 1, manufacturing a support mold according to the size of a stair, hoisting the support mold between an upper floor (101) and a lower floor (102) for installation, wherein the support mold comprises a support frame (1), a support template (2), a step steel mold (3), a fixed groove steel bar (4) and a pull rod assembly (5); hoisting the supporting template (2) between an upper floor (101) and a lower floor (102), selecting the supporting frames (1) with different heights to support and fix the supporting template (2), and adjusting the height of the supporting frame (1) to align the heights of the upper floor (101) and the lower floor (102) of the supporting template (2) respectively;
Step 2, manufacturing a concrete embedded part (20) on the supporting template (2), hoisting the stepping ladder steel die (3) to the supporting template (2), enabling a storage space (21) formed between the bottom of the stepping ladder steel die (3) and the surface of the supporting template (2) to be larger than a space occupied by the concrete embedded part (20), and completely covering the concrete embedded part (20) on the inner side of the edge of the supporting template (2);
Step 3, obliquely installing and fixing the fixing groove steel bars (4) above the stepping step steel die (3) and mutually connecting and fixing the fixing groove steel bars through L-shaped sizing angle steel (6), so that the stepping step steel die (3) is stably fixed on the supporting template (2) between the upper floor (101) and the lower floor (102);
step 4, obliquely installing and fixing the fixing groove steel bars (4) above the stepping step steel die (3) and mutually connecting and fixing the fixing groove steel bars through L-shaped sizing angle steel (6), so that the stepping step steel die (3) is stably fixed on the supporting template (2) between the upper floor (101) and the lower floor (102);
Step 5, sequentially penetrating a sleeve (53) through the stepping step steel die (3) and the supporting template (2), wherein one end of the sleeve is reserved outside the stepping step steel die (3), the other end of the sleeve is inserted into a sleeve cap (54) on the lower surface of the supporting template (2), then sequentially penetrating a counter-pull screw (50) through a fixed groove steel bar (4), the sleeve (53) and the sleeve cap (54), wherein one end of the counter-pull screw (50) is respectively in threaded connection with the counter-pull screw (50) and the sleeve cap (54) through a lower locking nut (52), and the other end of the counter-pull screw (50) is fixed on the fixed groove steel bar (4) through an upper locking nut (51), so that the sleeve (53) is sleeved outside the counter-pull screw (50), and the counter-pull screw (50) inserted into the storage space (21) is protected through the sleeve (53);
And 6, continuously pouring concrete slurry from a grouting opening (33) at the top end of the stepping step steel die (3), vibrating while pouring until the concrete is full, and dismantling the counter-pulling screw rod (50), the stepping step steel die (3) and the supporting template (2) in sequence after the concrete slurry reaches the specified strength.
10. The construction method of the stair step directional steel template as claimed in claim 10, wherein: and the method also comprises the steps of respectively spraying a release agent on the upper surface of the supporting template (2) and the inner surface of the stepping step steel die (3), and continuously pouring concrete slurry through a slurry supplementing opening (34), and vibrating while pouring until slurry supplementing is finished.
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| CN201910939049.6A CN110565949A (en) | 2019-09-30 | 2019-09-30 | Stair step directional steel template and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111779266A (en) * | 2020-08-05 | 2020-10-16 | 中铁十八局集团有限公司 | Stair are pour construction and are used rotatory aluminium mould of combination |
| CN114033173A (en) * | 2021-12-15 | 2022-02-11 | 山东长泰建设集团工程有限公司 | Cast-in-place stair steel-wood composite formwork based on BIM technology |
| CN114482054A (en) * | 2022-01-07 | 2022-05-13 | 北京城建五建设集团有限公司 | Inclined surface mattress layer pouring mold system and construction method |
| CN114934446A (en) * | 2022-06-01 | 2022-08-23 | 中铁广州工程局集团第三工程有限公司 | High-precision integral pouring template for short edge of slag retaining wall and construction method thereof |
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| CN114934446A (en) * | 2022-06-01 | 2022-08-23 | 中铁广州工程局集团第三工程有限公司 | High-precision integral pouring template for short edge of slag retaining wall and construction method thereof |
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