CN108466356A - The waist slab fabricated device and production method of lead screw movable type cement precast stair - Google Patents
The waist slab fabricated device and production method of lead screw movable type cement precast stair Download PDFInfo
- Publication number
- CN108466356A CN108466356A CN201810326630.6A CN201810326630A CN108466356A CN 108466356 A CN108466356 A CN 108466356A CN 201810326630 A CN201810326630 A CN 201810326630A CN 108466356 A CN108466356 A CN 108466356A
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- Prior art keywords
- plate
- lead screw
- support shaft
- rotation support
- plate cavity
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/22—Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units
- B28B7/225—Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units for making stairs or stair units comprising more than one step
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The present application relates to stair.A kind of waist slab fabricated device of lead screw movable type cement precast stair, including bench board mold, pedestal, mould support plate above pedestal, perpendicular rotation support shaft and electric rotating machine, mould support plate is supported on by support leg on pedestal, the lower end of support leg is equipped with universal wheel, mould support plate is equipped with strip hole, perpendicular rotation support shaft is equipped with the prism section for being threaded through driving mould support plate rotation in strip hole, perpendicular rotation support shaft is equipped with stepper motor, stepper motor links together with lead screw, lead screw is rotatably connected in thread bush, thread bush is fixed on mould support plate, perpendicular rotation support shaft is liftable structure, the upper surface of crosspiece is equipped with cement inlet and door-plate, bench board mold simultaneously supports on mould support plate and perpendicular rotation support shaft.The present invention provides a kind of concrete prefabricated stairs producing device that can improve stair compactness, solve the problems, such as that the stair compactness that existing Mold Making goes out is poor.
Description
Technical field
The present application relates to stair more particularly to a kind of waist slab fabricated devices of lead screw movable type cement precast stair
And production method.
Background technology
Stair can be divided into board-like, beam type, overhanging (scissors) formula and spiral by structure type and loading characteristic stair form.
Cranked slab stairs is made of waist slab, landing slab and landing beam.Waist slab has the step plate for being spaced link together successively（It uses
When in the part that horizontality is supported human body）It is constituted with connecting plate, wherein prefabricated waist slab uses waist slab
Mold is made.Bench board mold includes being set positioned at the cement inlet of the top and several be spaced successively from bottom to top
The perpendicular section and crosspiece set, perpendicular section is interior to be equipped with the connecting plate cavity for forming stair connecting plate, is equipped in crosspiece and forms tread
Step plate cavity, connecting plate cavity is connected to step plate cavity, and concrete is poured into from cement inlet and then mixed when cast
It flows down under the action of solidifying soil dead weight and fills full all connecting plate cavity and step plate cavity, concrete is in stair casting moulds
Stair are formed after solidification.The precast stair that existing waist slab Mold Making goes out has the following disadvantages：Since concrete is in bench
In board mold from the top down and the distance that flows is remote and narrow space, it is poor so as to cause the compactness for pouring the stair outpoured（And
The position compactness of more lower section is poorer）；In addition needs punch on stair, to damage when existing precast stair installation railing
The intensity of the stair environmental noise larger with generation；Decorative layer must be first laid with when being fitted up to stair（Ceramic tile or marble
Deng）；It can not be rigidly secured together with wall.
Invention content
The present invention provides a kind of waist slab for the lead screw movable type cement precast stair that can improve stair compactness is pre-
Device processed solves the problems, such as that the stair compactness that existing Mold Making goes out is poor.
It is solved by the following technical programs when the above technical problem：A kind of bench of lead screw movable type cement precast stair
Plate fabricated device, including bench board mold, the bench board mold include spaced perpendicular section and crosspiece successively from bottom to top,
It is equipped with the connecting plate cavity for forming connecting plate in the perpendicular section, the step plate cavity for forming step plate, institute are equipped in the crosspiece
Connecting plate cavity is stated to be connected to step plate cavity, which is characterized in that further include pedestal, the mould support plate above pedestal,
The electric rotating machine of rotation support shaft rotation is erected in perpendicular rotation support shaft and driving, and the mould support plate is supported by several support legs
On the base, the lower end of the support leg is equipped with universal wheel, and the mould support plate is equipped with along the connecting plate cavity
The strip hole that extends of width direction, the perpendicular rotation support shaft, which is equipped with, is threaded through the driving mould support in the strip hole
The prism section of plate rotation, the perpendicular rotation support shaft is equipped with stepper motor, the power output shaft of the stepper motor connects with lead screw
It is connected together, the lead screw is rotatably connected in thread bush, and the thread bush is fixed on the mould support plate, the lead screw
Extending direction it is identical with the extending direction of the strip hole, the perpendicular rotation support shaft be liftable structure, the crosspiece
Upper surface is equipped with cement inlet and covers the door-plate of cement inlet, and the bench board mold is simultaneously supported in the mold branch
On fagging and perpendicular rotation support shaft.
Preferably, the upper end of the perpendicular rotation support shaft is equipped with the lift cylinders for supporting the bench board mold, the liter
The cylinder body for dropping cylinder is integrally formed together with the perpendicular rotation support shaft.It is compact-sized.Connection is reliable.
Preferably, the door-plate constitutes the surface decoration layer on step plate upper surface, one end of the surface decoration layer
Wear and be connected with railing connecting pole, the perpendicular section be equipped with gear be connected on the upper end of the railing connecting pole and by surface decoration layer
The securing pressing plate in one end, the step plate cavity is interior to be equipped with the framework of steel reinforcement for constituting step plate, and the framework of steel reinforcement is equipped with
The steel bar end being pierced by from the one end of crosspiece far from railing connecting pole, the steel bar end are arranged with clasp joint on the surface decoration layer
And by the securing angle bar of the other end of surface decoration layer.The technical program makes the one end for the waist slab produced have reinforcing bar
Head, the other end have railing connecting pole, when installing stair, burrow and pour into cement on the adjacent wall of same stair, then pass through
Steel bar end is inserted into hole and is fixed after cement solidification, to play the role of the bonding strength for improving precast stair with wall.
It is that support immobilization carrier installs railing when railing is installed, with railing connecting pole, without being punched on stair,
Play the role of improving property easy for installation and reduces ambient noise.
Preferably, the railing connecting pole is interior metal structure, the railing connecting pole is equipped with the edge since upper surface
The internal thread hole that railing connecting pole length direction extends, the internal thread hole are blind hole, and the lower end of the railing connecting pole is worn
Have several along the circumferentially distributed lateral pin being located in step plate cavity radially extended of railing connecting pole, the lateral pin extends through interior spiral shell
The pushpin for making lateral pin stretch out railing connecting pole is equipped in pit, in the internal thread hole, the pushpin is slidably connected at institute
It states in internal thread hole, the upper end internal thread of the threaded hole is connected with the threaded support bar coordinated with the pressing plate.It can carry
Height fixes convenience when door-plate, and makes the securing connection reliability of railing produced good.
Preferably, being equipped with Blind locating holes in the pressing plate, the upper end of the threaded support bar is threaded through the positioning
In blind hole.Convenience when covering door-plate is good.Door-plate cover after good reliability.
Preferably, the upper end of the front side wall of the perpendicular section is equipped with the front bevel inclined upward being sequentially distributed from front to back
With front end horizontal plane, the lower face of the front side wall of the perpendicular section be equipped be sequentially distributed from front to back towards inclined back bevel and after
Hold horizontal plane, the front support of the door-plate is on the front end horizontal plane and preceding chamfering that front end face is equipped with, the preceding chamfering
Be fitted on the front bevel, the rear chamfering that the rear end face of the door-plate is equipped with, it is described after chamfering be fitted on the back bevel.
So that the stair produced are that reliably can easily dock with superficial layer when marking time section is beautiful in tiling on linkage section.
Preferably, the inclination angle of the front bevel and the inclination angle of back bevel are all 45 °.Chamfering time control controlling angle is convenient.
Preferably, the lower end of the perpendicular rotation support shaft is supported on the base by plane bearing, the vertical transfer
Dynamic support shaft is equipped with driven gear, and the electric rotating machine is connected with driving gear by retarder, the driving gear and driven
Gear meshes together.Flexibility when rotation is good.
The present invention also provides a kind of bench board manufacturing methods of concrete prefabricated stair, which is characterized in that the first step, from most
The cement inlet of lower section injects concrete and fills the connecting plate cavity of bottom and the step plate cavity of bottom；Second
Step, the cement inlet that bottom is covered with door-plate, by stepper motor drives lead screw rotation, lead screw that thread bush is driven to translate
The support plate that moves moulds is supported on to perpendicular rotation support shaft on time lower surface of the crosspiece of lower section；Third step, the water from secondary lower section
Mud inlet inject concrete and fill the step plate cavity of bottom, secondary lower section connecting plate cavity and secondary lower section step plate
Cavity also generates centrifugal force by the way that electric rotating machine drives and erects rotation support shaft rotation during injecting concrete and promotes to mix
The packing in bottom step plate cavity of solidifying soil is real；4th step covers time cement inlet of lower section with door-plate, passes through stepping electricity
Machine drives lead screw to rotate, lead screw driving thread bush translates and the support plate that moves moulds is supported on from bottom to top to perpendicular rotation support shaft
On the lower surface of number third crosspiece；5th step is filled secondary from several third cement inlet injection concrete from bottom to top
The step plate cavity of lower section counts third connecting plate cavity and counts third step plate cavity, injection from bottom to top from bottom to top
Also centrifugal force is generated by the way that electric rotating machine drives and erects rotation support shaft rotation and promote concrete secondary during concrete
Packing is real in the step plate cavity of lower section, and so on and fill completely all step plate cavities and connecting plate cavity from bottom to top.
Preferably, before hardening of cement in crosspiece cavity, pushpin is pushed, so that pushpin driving lateral pin stretches out column
Bar connecting pole and be inserted into cement.
Present invention tool has the advantage that：Without punching when the waist slab installation railing produced, therefore when railing installation conveniently
And the noise generated is small；The compactness for the stair produced is good；When being fitted up to stair, when installation railing is with decorative layer is laid with
Duration conflict is not will produce.
Description of the drawings
Fig. 1 is the schematic elevation view of concrete prefabricated stairs producing device.
Fig. 2 is A-A schematic cross-sectional views of Fig. 1.
Fig. 3 is the close-up schematic view at the B of Fig. 2.
Fig. 4 is the schematic diagram of the concrete prefabricated stairs of the present invention.
Fig. 5 is the schematic diagram of the pedestal in embodiment two.
In figure：Pedestal 1, traveling wheel accommodating cavity 12, through-hole 13, traveling wheel 14, wheel carrier 15, mounting rod 16, drives at supporting block 11
Dynamic screw rod 17, mould support plate 2, support leg 21, universal rolling wheel 22, strip hole 23, perpendicular rotation support shaft 3, plane bearing 31, from
Moving gear 32, four-prism section 33, lift cylinders 34, the cylinder body 341 of lift cylinders, the piston rod 342 of lift cylinders, electric rotating machine 4, master
Moving gear 41, bench board mold 5, perpendicular section 51, front bevel 511, front end horizontal plane 512, back bevel 513, rear end horizontal plane 514,
Crosspiece 52, connecting plate cavity 53, step plate cavity 54, cement inlet 55, pressing plate 56, Blind locating holes 57, angle bar 58, stepping
Motor 61, lead screw 62, thread bush 63, door-plate 71, preceding chamfering 711, rear chamfering 712, railing connecting pole 72, internal thread hole 721, cross
Pin 722, pushpin 723, threaded support bar 724, steel bar end 73, connecting plate 74, step plate 75.
Specific implementation mode
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
Referring to Fig. 1 to Fig. 3, a kind of waist slab fabricated device of lead screw movable type cement precast stair, including pedestal 1, mould
Have the electric rotating machine 4 and bench board mold 5 that support plate 2, perpendicular rotation support shaft 3, the perpendicular rotation support shaft of driving rotate.Mould support
Plate is equipped with several support legs 21.The lower end of support leg is equipped with universal rolling wheel 22.Universal rolling wheel 22 is supported on pedestal 1.Mold branch
Fagging is equipped with the strip hole 23 extended along the left and right directions of Fig. 2.Electric rotating machine 4 is fixed on the base.Perpendicular rotation support shaft
Lower end is supported on by plane bearing 31 on pedestal.Perpendicular rotation support shaft is equipped with driven gear 32.Electric rotating machine passes through retarder
It is connected with driving gear 41.Driving gear and driven gear mesh together.Perpendicular rotation support shaft, which is equipped with, to be threaded through in strip hole
Four-prism section 33.0.1 millimeter of the width pin of the change longwell strip hole of the cross section of four-prism section 33.Perpendicular rotation support shaft
Perpendicular section be equipped with lift cylinders 34.The cylinder body 341 of lift cylinders is integrally formed together with perpendicular rotation support shaft.The piston rod of lift cylinders
342 are supported on bench board mold.
Perpendicular rotation support shaft is equipped with stepper motor 61, the power output shaft of stepper motor links together with lead screw 62, silk
Bar is rotatably connected in thread bush 63.Thread bush is fixed on the mould support plate 5, and the extending direction of lead screw is the same as strip hole
Extending direction（That is left and right directions in figure, the front-rear direction of waist slab when use）It is identical.It is driven by stepper motor when use
Lead screw rotates, and lead screw drives mould support plate to be moved left and right relative to the generation of perpendicular rotation support shaft by thread bush.
Bench board mold includes spaced several perpendicular sections 51 and crosspiece 52 successively from bottom to top.The perpendicular section of the top
In the top of the crosspiece of the top, lower section namely the mold in the present embodiment that the perpendicular section of bottom is located at the crosspiece of bottom
First section and endpiece be all perpendicular section.The connecting plate cavity 53 for the connecting plate for forming stair is equipped in perpendicular section.It is equipped with and is formed in crosspiece
The step plate cavity 54 of the step plate of stair.Connecting plate cavity is connected to step plate cavity.The upper surface open of crosspiece and shape
At cement inlet 55.Capping has door-plate 71 on cement inlet.Door-plate 71 is marble slab.It is worn on one end of door-plate and solid
Be connected in several railing connecting poles 72, the present embodiment is 2.Railing connecting pole is interior metal structure.Railing connecting pole be equipped with from
Upper surface starts the internal thread hole 721 extended along railing connecting pole length direction.Internal thread hole is blind hole.Under railing connecting pole
End is equipped with several along the circumferentially distributed lateral pin 722 being located in step plate cavity radially extended of railing connecting pole.Lateral pin runs through
Into internal thread hole.The pushpin 723 for making lateral pin stretch out railing connecting pole metal is equipped in internal thread hole.Pushpin is slidably connected
In internal thread hole.The upper end internal thread of threaded hole is connected with the threaded support bar 724 coordinated with the pressing plate.Perpendicular section is equipped with
Pressing plate 56.Blind locating holes 57 are equipped in pressing plate.The upper end that rotation threaded support bar 724 rises rear thread supporting rod is worn simultaneously
It is connected in Blind locating holes so that pressing plate presses in threaded support bar to fix one end of door-plate.It marks time
Template intracavitary is equipped with the framework of steel reinforcement for constituting step plate（It is not drawn in figure）.Framework of steel reinforcement is equipped with from crosspiece far from railing and connects
The steel bar end 73 that one end of column is pierced by.Steel bar end is arranged with clasp joint on door-plate and by the securing angle bar of the other end of door-plate
58。
The upper end of the front side wall of perpendicular section is equipped with the front bevel 511 inclined upward being sequentially distributed from front to back and front end is horizontal
Face 512.The lower face of the front side wall of perpendicular section is equipped with the back bevel 513 being downwardly inclined being sequentially distributed from front to back and rear end is horizontal
Face 514.The inclination angle of front bevel and the inclination angle of back bevel are all 45 °.The front support of door-plate 71 is on the horizontal plane of front end.Door-plate 71
Front end face be equipped with preceding chamfering 711.The inclination angle of top rake is 45 °.Preceding chamfering is fitted on front bevel.The rear end face of door-plate is set
There is rear chamfering 712.The angle of inclination of back rake angle is 45 °.Chamfering is fitted on back bevel afterwards.
The production method for pouring into a mould concrete prefabricated stairs by concrete prefabricated stairs producing device is the first step, from most
The cement inlet of lower section injects concrete and fills the connecting plate cavity of bottom and the step plate cavity of bottom；Second
Step, the cement inlet that bottom is covered with door-plate, the support plate that moves moulds are supported on time cross of lower section to perpendicular rotation support shaft
On the lower surface of section, specific moving method is：It is moved by stepper motor drives lead screw rotation, lead screw that thread bush is driven to translate
Mould support plate is supported on to perpendicular rotation support shaft on time lower surface of the crosspiece of lower section；Third step is noted from the cement of secondary lower section
Entrance injects concrete and fills the template of marking time of the step plate cavity of bottom, the connecting plate cavity of secondary lower section and secondary lower section
Chamber also generates centrifugal force by the way that electric rotating machine drives and erects rotation support shaft intermittence rotation during injecting concrete and promotees
Keep concrete packing in bottom step plate cavity real；4th step covers time cement inlet of lower section, mobile mould with door-plate
Tool support plate is same perpendicular by mould support plate after being supported on the lower surface for counting third crosspiece from bottom to top to perpendicular rotation support shaft
Rotation support shaft is fixed together, and the threaded support bar 724 rotated on the door-plate of bottom declines, threaded support bar driving pressing
Pin declines to which lateral pin is stretched out railing connecting pole and is threaded through in the concrete of crosspiece；5th step, from from bottom to top count thirds
A cement inlet injects concrete and fills time step plate cavity of lower section, count third connecting plate cavities from bottom to top and from
Lower number third step plate cavity upwards, is also driven by electric rotating machine during injecting concrete and erects rotation support shaft gap
Property rotation and generate centrifugal force and promote concrete packing in secondary lower section step plate cavity real；6th step, with door-plate cover from
Lower number third cement inlet, the support plate that moves moulds to perpendicular rotation support shaft upwards are supported on the 4th cross of number from bottom to top
Section lower surface on, rotate time lower section door-plate on threaded support bar 724 decline, threaded support bar drive pushpin decline from
And lateral pin is stretched out into railing connecting pole and is threaded through in the concrete of crosspiece.And so on and fill completely all step on from bottom to top
Template chamber and connecting plate cavity are walked, and covers the door-plate of the top and injects concrete in the perpendicular section of the top.
Bench board mold is disassembled after concrete hardening to form concrete prefabricated waist slab as shown in Figure 4, erects section
Step plate 75 is formed in interior formation connecting plate 74, crosspiece.Step plate constitutes the part of stair trampled for people.The composition of door-plate 71 is stepped on
Walk the surface decoration layer of the upper surface of plate.Railing connecting pole 72 is fixed on the upper surface of step plate.
When concrete prefabricated waist slab installation, cement is burrowed and pours on the wall at installation stair position, then by steel
Muscle head 73 is (referring to Fig. 1）It is inserted into hole and is fixed after cement solidification, it is strong with the connection of wall to play raising precast stair
The effect of degree.It is that support immobilization carrier installs railing when railing is installed, with railing connecting pole, without on stair
It is punched, play the role of improving property easy for installation and reduces ambient noise.
Embodiment two, the difference with embodiment one are：
Referring to Fig. 5, pedestal 1 is equipped with several supporting blocks 11.The lower face of supporting block is equipped with traveling wheel accommodating cavity 12.Traveling wheel
Accommodating cavity is equipped with the through-hole 13 of perforation base upper surface.Traveling wheel 14 is equipped in traveling wheel accommodating cavity 12.Traveling wheel 14 is equipped with wheel
Frame 15.Wheel carrier 15 is equipped with the mounting rod 16 being threaded through in through-hole.Through-hole internal thread be connected with driving mounting rod decline so that
Traveling wheel stretches out the driving screw rod 17 of the lower end of supporting block.Mobile constantly traveling wheel is needed to stretch out supporting block.When need not walk
Traveling wheel is set to be accommodated in traveling wheel accommodating cavity.
Claims (10)
1. a kind of waist slab fabricated device of lead screw movable type cement precast stair, including bench board mold, the bench template die
Tool includes spaced perpendicular section and crosspiece successively from bottom to top, and the connecting plate cavity for forming connecting plate is equipped in the perpendicular section,
The step plate cavity for forming step plate is equipped in the crosspiece, the connecting plate cavity is connected to step plate cavity, and feature exists
In further including the rotation that rotation support shaft rotation is erected in pedestal, the mould support plate above pedestal, perpendicular rotation support shaft and driving
Rotating motor, the mould support plate are supported on by several support legs on the pedestal, and the lower end of the support leg is equipped with universal
Wheel, the mould support plate are equipped with the strip hole extended along the width direction of the connecting plate cavity, the perpendicular rotational support
Axis is equipped with the prism section for being threaded through the mould support plate rotation of driving in the strip hole, and the perpendicular rotation support shaft is equipped with step
Stepper motor, the stepper motor power output shaft link together with lead screw, the lead screw is rotatably connected in thread bush, institute
Thread bush to be stated to be fixed on the mould support plate, the extending direction of the lead screw is identical with the extending direction of the strip hole,
The perpendicular rotation support shaft is liftable structure, and the upper surface of the crosspiece is equipped with cement inlet and covers cement inlet
Door-plate, the bench board mold simultaneously support on the mould support plate and perpendicular rotation support shaft.
2. the waist slab fabricated device of lead screw movable type cement precast stair according to claim 1, which is characterized in that institute
The upper end for stating perpendicular rotation support shaft is equipped with the lift cylinders for supporting the bench board mold, and the cylinder body of the lift cylinders is the same as the vertical transfer
Dynamic support shaft is integrally formed together.
3. the waist slab fabricated device of lead screw movable type cement precast stair according to claim 1, which is characterized in that institute
The surface decoration layer on door-plate composition step plate upper surface is stated, one end of the surface decoration layer wears and is connected with railing connection
Column, the perpendicular section be equipped with gear be connected on the upper end of the railing connecting pole and by the securing pressing plate in one end of surface decoration layer,
The framework of steel reinforcement for constituting step plate is equipped in the step plate cavity, the framework of steel reinforcement is equipped with from crosspiece far from railing connecting pole
The steel bar end that is pierced by of one end, the steel bar end is arranged with clasp joint on the surface decoration layer and by the another of surface decoration layer
Hold securing angle bar.
4. the waist slab fabricated device of lead screw movable type cement precast stair according to claim 3, which is characterized in that institute
It is interior metal structure to state railing connecting pole, and the railing connecting pole, which is equipped with, to be prolonged since upper surface along railing connecting pole length direction
The internal thread hole stretched, the internal thread hole are blind hole, and the lower end of the railing connecting pole is equipped with several along railing connecting pole week
The lateral pin being located in step plate cavity radially extended to distribution, the lateral pin extend through in internal thread hole, the internal thread hole
Interior to be equipped with the pushpin for making lateral pin stretch out railing connecting pole, the pushpin is slidably connected in the internal thread hole, the spiral shell
The upper end internal thread of pit is connected with the threaded support bar coordinated with the pressing plate.
5. the waist slab fabricated device of lead screw movable type cement precast stair according to claim 4, which is characterized in that institute
It states and is equipped with Blind locating holes in pressing plate, the upper end of the threaded support bar is threaded through in the Blind locating holes.
6. the waist slab fabricated device of lead screw movable type cement precast stair according to claim 3, which is characterized in that institute
The upper end for stating the front side wall of perpendicular section is equipped with the front bevel inclined upward being sequentially distributed from front to back and front end horizontal plane, described perpendicular
The lower face of the front side wall of section is equipped with the back bevel being downwardly inclined being sequentially distributed from front to back and rear end horizontal plane, the door-plate
Front support is on the front end horizontal plane and front end face is equipped with preceding chamfering, the preceding chamfering is fitted on the front bevel,
The rear end face of the door-plate is equipped with rear chamfering, and the rear chamfering is fitted on the back bevel.
7. the waist slab fabricated device of lead screw movable type cement precast stair according to claim 6, which is characterized in that institute
The inclination angle at the inclination angle and back bevel of stating front bevel is all 45 °.
8. the waist slab fabricated device of lead screw movable type cement precast stair according to claim 1, which is characterized in that institute
The lower end for stating perpendicular rotation support shaft is supported on the base by plane bearing, and the perpendicular rotation support shaft is equipped with driven tooth
Wheel, the electric rotating machine are connected with driving gear by retarder, and the driving gear and driven gear mesh together.
9. a kind of cement of waist slab fabricated device suitable for lead screw movable type cement precast stair described in claim 1 is pre-
The bench board manufacturing method of stair processed, which is characterized in that the first step is injected concrete from the cement inlet of bottom and filled
The connecting plate cavity of bottom and the step plate cavity of bottom；Second step, the cement inlet that bottom is covered with door-plate lead to
Cross stepper motor driving lead screw rotation, lead screw driving thread bush translation and the support plate that moves moulds is supported on to perpendicular rotation support shaft
On the lower surface of the crosspiece of secondary lower section；Third step injects concrete from the cement inlet of secondary lower section and fills stepping on for bottom
Template chamber, the connecting plate cavity of secondary lower section and the step plate cavity of secondary lower section are walked, also passes through rotation during injecting concrete
Motor driving erects rotation support shaft rotation and generates centrifugal force and promote concrete packing in bottom step plate cavity real；The
Four steps cover time cement inlet of lower section with door-plate, drive lead screw rotation, lead screw to drive thread bush translation by stepper motor
And the support plate that moves moulds is supported on to perpendicular rotation support shaft on the lower surface for counting third crosspiece from bottom to top；5th step, from
Third cement inlet injection concrete is counted from bottom to top and is filled time step plate cavity of lower section, is counted third from bottom to top
Connecting plate cavity and from bottom to top several third step plate cavities are also driven by electric rotating machine perpendicular during injecting concrete
Rotation support shaft rotates and generates centrifugal force and promote concrete packing in secondary lower section step plate cavity real, and so on and from
Lower filling upwards full all step plate cavity and connecting plate cavity.
10. concrete prefabricated stairs production method according to claim 9, which is characterized in that the water in crosspiece cavity
Before mud hardening, pushpin is pushed, so that pushpin driving lateral pin stretches out railing connecting pole and is inserted into cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810326630.6A CN108466356A (en) | 2018-04-12 | 2018-04-12 | The waist slab fabricated device and production method of lead screw movable type cement precast stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810326630.6A CN108466356A (en) | 2018-04-12 | 2018-04-12 | The waist slab fabricated device and production method of lead screw movable type cement precast stair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108466356A true CN108466356A (en) | 2018-08-31 |
Family
ID=63262878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810326630.6A Withdrawn CN108466356A (en) | 2018-04-12 | 2018-04-12 | The waist slab fabricated device and production method of lead screw movable type cement precast stair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108466356A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112847748A (en) * | 2021-01-14 | 2021-05-28 | 吴从平 | Prefabricated formwork component for fabricated building |
| CN115519657A (en) * | 2022-10-08 | 2022-12-27 | 中国建筑第五工程局有限公司 | Fixing and positioning device for embedded bolts of prefabricated stairs and construction method |
-
2018
- 2018-04-12 CN CN201810326630.6A patent/CN108466356A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112847748A (en) * | 2021-01-14 | 2021-05-28 | 吴从平 | Prefabricated formwork component for fabricated building |
| CN115519657A (en) * | 2022-10-08 | 2022-12-27 | 中国建筑第五工程局有限公司 | Fixing and positioning device for embedded bolts of prefabricated stairs and construction method |
| CN115519657B (en) * | 2022-10-08 | 2024-06-04 | 中国建筑第五工程局有限公司 | Fixing and positioning device for pre-buried bolts of prefabricated staircase and construction method |
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Application publication date: 20180831 |
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