CN115030490B - Structure forming process of cast-in-situ stair for construction - Google Patents
Structure forming process of cast-in-situ stair for construction Download PDFInfo
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- CN115030490B CN115030490B CN202210733797.0A CN202210733797A CN115030490B CN 115030490 B CN115030490 B CN 115030490B CN 202210733797 A CN202210733797 A CN 202210733797A CN 115030490 B CN115030490 B CN 115030490B
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- cover plate
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- stair
- cavity
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- 238000010276 construction Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 17
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 9
- 239000002002 slurry Substances 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 description 13
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method 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
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
-
- 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
- E04G19/00—Auxiliary treatment of forms, e.g. dismantling; Cleaning devices
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F2011/0203—Miscellaneous features of stairways not otherwise provided for
- E04F2011/0205—Stairways characterised by the use of specific materials for the supporting structure of the treads
- E04F2011/021—Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of stone or stone like materials, e.g. concrete; mainly of glass
- E04F2011/0212—Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of stone or stone like materials, e.g. concrete; mainly of glass mainly of concrete
- E04F2011/0214—Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of stone or stone like materials, e.g. concrete; mainly of glass mainly of concrete cast in situ
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The application discloses a structure forming process of a cast-in-situ stair for construction, which comprises the following steps of firstly respectively installing two templates on an installation seat, then installing a cover plate on a top plate, fixedly attracting reinforcing steel bars on the cover plate through a magnetic strip plate, and after the stair forming mold is installed; starting a driving motor to work, driving a screw rod to rotate, enabling two installation seats to move close to each other through a sliding block until two templates are tightly attached to each other, and driving a cover plate on a top plate to move upwards through a movable rod when the installation seats horizontally move, enabling the cover plate to fall into an opening of the template, and enabling reinforcing steel bars to be placed in a cavity to finish a die assembly action; injecting concrete slurry into the cavity through the grouting opening, and then forming in the cavity; the application greatly improves the efficiency of the structure forming process of the cast-in-situ stair by utilizing the ladder forming die and the die driving mechanism, and greatly shortens the forming time.
Description
Technical Field
The application relates to the technical field of construction, in particular to a structure forming process of cast-in-situ stairs for construction.
Background
Chinese patent CN216076310U discloses a stair casting template device, comprising a horizontally fixedly arranged support platform, a vertical plate, a first casting template, a first connecting template, an L-shaped connecting template, a plurality of stepping casting templates and a second casting template; the pouring template device is characterized in that the pouring template device is provided with a plurality of L-shaped connecting templates and a plurality of step pouring templates, wherein the L-shaped connecting templates are used for forming step templates of stairs, and the step pouring templates are used for forming step templates of the stairs; when in pouring, the appearance of the concrete stair can be quickly formed by pouring concrete; the L-shaped connecting templates and the plurality of stepping pouring templates are in a modularized structure, and are fixedly connected by adopting the locking assembly, so that an operator can conveniently install and detach the connecting templates;
in the prior art, in the structure forming process of the cast-in-situ stair, the general adopted mode is as follows: the staff is in the same place two moulds integration, then carries out fixed connection through modes such as bolt, constitutes a pouring cavity, and the rethread lifting device is dismantled the mould and is separated, and it is apparent that current stair is more in the work of manual participation in the casting shaping, and the operation is more troublesome, leads to stair shaping inefficiency.
Disclosure of Invention
The application aims to solve the problems of the background technology and provides a structure forming process of cast-in-situ stairs for construction; the efficiency of the structure forming process of the cast-in-situ stair is greatly improved by utilizing the ladder forming die and the die driving mechanism, and the forming time is greatly shortened.
The aim of the application can be achieved by the following technical scheme:
a construction is with cast-in-place stair structure shaping technology, including the following steps:
step 1: firstly, respectively installing two templates on an installation seat, then installing a cover plate on a top plate, and fixedly attracting reinforcing steel bars on the cover plate through a magnetic strip plate, and after the stair forming mold is installed;
starting a driving motor to work, driving a screw rod to rotate, enabling two installation seats to move close to each other through a sliding block until two templates are tightly attached to each other, and driving a cover plate on a top plate to move upwards through a movable rod when the installation seats horizontally move, enabling the cover plate to fall into an opening of the template, and enabling reinforcing steel bars to be placed in a cavity to finish a die assembly action;
step 2: injecting concrete slurry into the cavity through the grouting opening, and then forming in the cavity;
step 3: after the concrete stairway is formed in the cavity, the driving motor is controlled to rotate reversely, so that the template and the cover plate are reset, the mould opening action is realized, and the formed concrete stairway is taken out.
As a further scheme of the application: the two templates are symmetrically arranged, the templates are of frame-shaped structures, folding lines are arranged in the templates, a cavity for stair casting is formed between the two templates through the folding lines, an opening is formed in the top of the template, and a cover plate is arranged at the opening.
As a further scheme of the application: the side wall of the template is provided with two positioning blocks which are respectively positioned on two sides of the template, and positioning holes are formed in the positioning blocks; the template is connected with a mould driving mechanism through a positioning block, and the mould driving mechanism is used for controlling the template to move horizontally in the same direction.
As a further scheme of the application: rubber gaskets are arranged between the two templates and between the cover plate and the two templates.
As a further scheme of the application: the die driving mechanism comprises a base; the top surface of the base is provided with two mounting seats, the two mounting seats are mutually close to or mutually far away from each other for movement, the front side and the rear side of each mounting seat are respectively provided with a guide pillar, the guide pillars penetrate through the top plate and are in sliding connection with the top plate, two ends of the top plate are respectively and movably connected with one end of a movable rod, and the other end of the movable rod is movably connected with the top surface of the mounting seat;
the mounting seat is provided with a positioning column which is matched with the positioning hole of the positioning block;
a rectangular mounting cavity is formed in the top plate and used for placing the cover plate, and grouting openings are formed in two sides of the cover plate.
As a further scheme of the application: the bottom of mount pad is provided with the sand grip, and set up the recess with sand grip looks adaptation on the template.
As a further scheme of the application: a rectangular magnet plate is arranged on the top surface of the cover plate, steel bars are arranged on the bottom surface of the cover plate, and the steel bars are connected through magnetic force of the magnet plate.
As a further scheme of the application: the top plate is provided with a connecting piece matched with the cover plate, and the connecting piece comprises an elastic piece and a pin shaft; the elastic piece is arranged on the inner wall of the installation cavity, the elastic piece is provided with a pin shaft, the pin shaft is matched with a connecting block on the cover plate, and the connecting block is provided with a connecting hole matched with the connecting block.
As a further scheme of the application: the connecting block is provided with four, is located the top surface of apron respectively.
As a further scheme of the application: the elastic piece includes connecting rod, spring, installation piece, and the both ends of connecting rod are connected with the fixed block respectively, and the fixed block is installed on the roof, and the slip cap is equipped with the installation piece on the connecting rod, and the cover is equipped with the spring on the connecting rod, and the bottom and the installation piece of spring are connected, and the top fixed block of spring are connected, and the round pin axle setting is on the installation piece.
The application has the beneficial effects that:
the stair forming die and the die driving mechanism are matched with each other, so that the die closing and opening actions of the stair forming die can be automatically realized, and when the stair forming die works, the two templates and the cover plate are controlled to move at the same time, so that the time spent for die closing and opening of the stair forming die is prolonged;
the concrete structural design of the mould driving mechanism facilitates the installation and the disassembly of the two templates and the cover plate, so that the time spent for assembling the early-stage equipment during the forming of the concrete stairway is further shortened;
in combination, the efficiency of the structure forming process of the cast-in-situ stair is greatly improved by utilizing the ladder forming die and the die driving mechanism, and the forming time is greatly shortened.
Drawings
The application is further described below with reference to the accompanying drawings.
FIG. 1 is a process flow diagram of the present application;
FIG. 2 is a schematic diagram of a stair-forming mold according to the present application;
FIG. 3 is a schematic view of the structure of the mold driving mechanism of the present application;
FIG. 4 is a cross-sectional view of the die drive mechanism of the present application;
FIG. 5 is a schematic view of the structure of the connection between the top plate and the cover plate according to the present application;
fig. 6 is a schematic structural view of the elastic member of the present application.
In the figure: 1. a template; 2. a positioning block; 3. a cover plate; 4. a cavity; 5. reinforcing steel bars; 6. a magnet plate; 7. a base; 8. a driving motor; 9. a screw rod; 10. a slide block; 11. a mounting base; 12. a guide post; 13. a movable rod; 14. a top plate; 15. positioning columns; 16. a grouting port; 17. a mounting cavity; 18. an elastic member; 19. a pin shaft; 20. a connecting block; 21. a connecting rod; 22. a spring; 23. and (5) installing a block.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1
Referring to fig. 2-6, the application discloses a structure forming device of cast-in-situ stairs for construction, which comprises a stair forming die;
the stair forming die comprises two templates 1, positioning blocks 2, cover plates 3 and cavities 4, wherein the templates 1 are symmetrically arranged, the templates 1 are of frame-shaped structures, folding lines are arranged in the templates 1, the cavities 4 for stair casting are formed between the two templates 1 through the folding lines, openings are formed in the tops of the templates 1, and the cover plates 3 are arranged at the openings, so that the cavities 4 for stair casting are formed by the templates 1 and the cover plates 3 in a surrounding manner, and the stairs cast through the cavities 4 are in a vertical state, so that the horizontal length of the templates 1 is shortened, the stair forming die is smaller in volume and more convenient to use;
the side wall of the template 1 is provided with two positioning blocks 2, the two positioning blocks 2 are respectively positioned on two sides of the template 1, and positioning holes are formed in the positioning blocks 2; the template 1 is connected with a mould driving mechanism through a positioning block 2, the mould driving mechanism is used for controlling the template 1 to move horizontally in the same direction to realize the opening and closing of the two templates 1, so that automatic casting of the ladder is realized, the problem that in the prior art, normally, a worker integrates two moulds together and then fixedly connects the two moulds through bolts and the like to form a casting cavity, and then the moulds are detached and separated through hoisting equipment is solved, so that the work of manual participation is more in the casting of the existing stair, the operation is more troublesome, and the stair forming efficiency is lower;
rubber gaskets are arranged between the two templates 1 and between the cover plate 3 and the two templates 1, and the tightness of the cavity 4 during pouring is ensured by arranging the rubber gaskets.
Example 2
The mould driving mechanism comprises a base 7, a mounting seat 11, a guide post 12, a movable rod 13, a top plate 14, a positioning post 15, a grouting opening 16 and a mounting cavity 17; the top surface of the base 7 is provided with two mounting seats 11, the mounting seats 11 are connected with the output end of the driving piece, so that the mounting seats 11 can move close to or away from each other, guide posts 12 are respectively arranged on the front side and the rear side of the mounting seats 11, the guide posts 12 penetrate through a top plate 14 and are in sliding connection with the top plate 14, the guide posts 12 play a role in limiting sliding on the movement of the top plate 14, two ends of the top plate 14 are respectively and movably connected with one end of a movable rod 13, the other end of the movable rod 13 is movably connected with the top surface of the mounting seat 11, and the movable rod 13 is arranged, so that the mounting seats 11 can drive the top plate 14 to move vertically in the horizontal movement process;
the positioning column 15 is arranged on the mounting seat 11, the positioning column 15 is matched with the positioning hole of the positioning block 2, the positioning column 15 is positioned on the top surface of the mounting seat 11, and the distance between the positioning column 15 and the side wall of the mounting seat 11 is matched with the distance between the positioning block 2 and the side wall of the template 1, so that the positioning column 15 not only can play a role in positioning and mounting the template 1, but also can enable the side wall of the template 1 to be abutted with the side wall of the mounting seat 11, the template 1 is stably positioned on the mounting seat 11, the bottom of the mounting seat 11 is provided with the convex strips, and the template 1 is provided with the grooves matched with the convex strips, so that when the top of the template 1 is fixed through the positioning column 15, the bottom of the template 1 is also fixed through the convex strips, and the stress is more stable when the template 1 is opened and closed;
the top plate 14 is provided with a rectangular mounting cavity 17, the mounting cavity 17 is used for placing the cover plate 3, grouting openings 16 are formed in two sides of the cover plate 3, a rectangular magnet plate 6 is arranged on the top surface of the cover plate 3, the bottom surface of the cover plate 3 is provided with a steel bar 5, the steel bar 5 is magnetically connected through the magnet plate 6, and the cover plate 3 is provided with the magnet plate 6, so that the steel bar 5 is not required to be connected with the cover plate 3 in a connecting mode such as a buckle, and the like, therefore, before casting, the steel bar 5 directly enters the cavity 4 along with the cover plate 3, after casting is completed, the steel bar 5 is separated from the cover plate 3 and stays in a formed concrete stair, and automatic separation of the steel bar 5 and the cover plate 3 is realized;
the driving piece comprises a driving motor 8, a screw rod 9 and a sliding block 10, wherein the driving motor 8 is arranged on the side wall of the base 7, the output end of the driving motor 8 is connected with the screw rod 9, a rectangular groove body for installing the screw rod 9 is arranged on the base 7, the sliding blocks 10 are respectively sleeved at two ends of the screw rod 9, the sliding block 10 is positioned in the rectangular groove body and is in sliding connection with the base 7, the sliding blocks 10 are connected with the installation seat 11, and the screw rod 9 and the two sliding blocks 10 are in threaded connection in opposite manners, so that the sliding blocks 10 can move close to each other or away from each other;
when the stair forming mold works, firstly, two templates 1 are respectively mounted on mounting seats 11, then a cover plate 3 is mounted on a top plate 14, after the stair forming mold is mounted, a driving motor 8 is started to work to drive a screw rod 9 to rotate, the two mounting seats 11 are moved close to each other through a sliding block 10 until the two templates 1 are tightly attached to each other, when the mounting seats 11 horizontally move, the cover plate 3 on the top plate 14 is driven to move upwards through a movable rod 13, and the cover plate 3 falls into an opening of the template 1 to finish the mold closing action; the same principle is adopted, the driving motor 8 is controlled to rotate reversely, so that the demolding operation can be completed, and then the molded concrete stairway can be taken out; the mold driving mechanism can automatically realize the mold closing and opening actions of the stair forming mold, and when in work, the mold driving mechanism can simultaneously control the two templates 1 and the cover plate 3 to move, so that the time spent for closing and opening the stair forming mold can be prolonged;
the top plate 14 is provided with a connecting piece matched with the cover plate 3, and the connecting piece comprises an elastic piece 18 and a pin shaft 19; the elastic piece 18 is arranged on the inner wall of the mounting cavity 17, the elastic piece 18 is provided with pin shafts 19, the pin shafts 19 are matched with connecting blocks 20 on the cover plate 3, four connecting blocks 20 are respectively positioned on the top surface of the cover plate 3, and the connecting blocks 20 are provided with connecting holes matched with the connecting blocks 20; so the cover plate 3 is conveniently mounted on the top plate 14 through the mutual matching of the pin shaft 19 and the connecting block 20; the elastic piece 18 is arranged to enable the cover plate 3 to elastically contact with the template 1, and a certain space is reserved for the moving distance of the mounting seat 11 and the top plate 14;
the elastic piece 18 comprises a connecting rod 21, a spring 22 and a mounting block 23, wherein two ends of the connecting rod 21 are respectively connected with the fixing blocks, the fixing blocks are mounted on the top plate 14, the mounting block 23 is sleeved on the connecting rod 21 in a sliding manner, the spring 22 is sleeved on the connecting rod 21, the bottom end of the spring 22 is connected with the mounting block 23, the top end of the spring 22 is connected with the upper fixing block, and the pin shaft 19 is arranged on the mounting block 23.
Example 3
Referring to fig. 1, the application relates to a construction molding process of a cast-in-situ stair for construction, which comprises the following steps:
step 1: firstly, two templates 1 are respectively installed on an installation seat 11, then a cover plate 3 is installed on a top plate 14, and a reinforcing steel bar 5 is fixedly attracted on the cover plate 3 through a magnetic strip plate 6, and after the stair forming mold is installed;
starting a driving motor 8 to work to drive a screw rod 9 to rotate, enabling two installation seats 11 to move close to each other through a sliding block 10 until two templates 1 are tightly attached to each other, driving a cover plate 3 on a top plate 14 to move upwards through a movable rod 13 when the installation seats 11 move horizontally, enabling the cover plate 3 to fall into an opening of the template 1, and enabling a reinforcing steel bar 5 to be placed in a cavity 4 to finish a die assembly action;
step 2: injecting concrete slurry into the cavity 4 through the grouting opening 16, and then forming in the cavity 4;
step 3: after the concrete stairway is molded in the cavity 4, the driving motor 8 is controlled to rotate reversely, so that the template 1 and the cover plate 3 are reset, the mold opening action is realized, and the molded concrete stairway is taken out.
The working principle of the application is as follows: the stair forming die and the die driving mechanism are matched with each other, so that the die closing and opening actions of the stair forming die can be automatically realized, and in the working process, the two templates 1 and the cover plate 3 are controlled to move at the same time, so that the time spent for die closing and opening of the stair forming die is prolonged;
and the specific structural design of the mould driving mechanism, so that the two templates 1 and the cover plate 3 are convenient to install and detach, and the time spent for assembling the early-stage equipment during the forming of the concrete stairway is further shortened.
The foregoing describes one embodiment of the present application in detail, but the description is only a preferred embodiment of the present application and should not be construed as limiting the scope of the application. All equivalent changes and modifications within the scope of the present application are intended to be covered by the present application.
Claims (10)
1. The structure forming process of the cast-in-situ stair for construction is characterized by comprising the following steps of:
step 1: firstly, respectively installing two templates (1) on an installation seat (11), then installing a cover plate (3) on a top plate (14), and fixedly attracting a reinforcing steel bar (5) on the cover plate (3) through a magnet plate (6), and after the stair forming mold is installed;
starting a driving motor (8) to work, driving a screw rod (9) to rotate, enabling two mounting seats (11) to move close to each other through a sliding block (10) until two templates (1) are tightly attached to each other, driving a cover plate (3) on a top plate (14) to move downwards through a movable rod (13) when the mounting seats (11) move horizontally, enabling the cover plate (3) to fall into an opening of the template (1), and enabling a reinforcing steel bar (5) to be placed in a cavity (4) to finish a die assembly action;
step 2: injecting concrete slurry into the cavity (4) through the grouting opening (16), and then forming in the cavity (4);
step 3: after the concrete stairway is molded in the cavity (4), the driving motor (8) is controlled to rotate reversely, so that the template (1) and the cover plate (3) are reset, the mold opening action is realized, and the molded concrete stairway is taken out.
2. The structure forming process of the cast-in-situ stair for construction according to claim 1 is characterized in that two templates (1) are symmetrically arranged, the templates (1) are of frame-shaped structures, folding line plates are arranged in the templates (1), a cavity (4) for pouring the stair is formed between the two templates (1) through the folding line plates, an opening is formed in the top of the templates (1), and a cover plate (3) is arranged at the opening.
3. The structure forming process of the cast-in-situ stair for construction according to claim 2 is characterized in that positioning blocks (2) are arranged on the side wall of the template (1), two positioning blocks (2) are arranged and are respectively positioned on two sides of the template (1), and positioning holes are formed in the positioning blocks (2); the template (1) is connected with a mould driving mechanism through a positioning block (2), and the mould driving mechanism is used for controlling the template (1) to move horizontally and in the same direction.
4. The construction molding process of the cast-in-situ stair for construction according to claim 1, wherein rubber gaskets are arranged between the two templates (1) and between the cover plate (3) and the two templates (1).
5. The process for forming the structure of the cast-in-situ stair for construction according to claim 2, wherein the mold driving mechanism comprises a base (7); the top surface of the base (7) is provided with two mounting seats (11), the two mounting seats (11) are close to each other or far away from each other to move, guide posts (12) are respectively arranged on the front side and the rear side of the mounting seats (11), the guide posts (12) penetrate through a top plate (14) and are in sliding connection with the top plate (14), two ends of the top plate (14) are respectively and movably connected with one end of a movable rod (13), and the other end of the movable rod (13) is movably connected with the top surface of the mounting seats (11);
a positioning column (15) is arranged on the mounting seat (11), and the positioning column (15) is matched with a positioning hole of the positioning block (2);
a rectangular mounting cavity (17) is formed in the top plate (14), the mounting cavity (17) is used for placing the cover plate (3), and grouting openings (16) are formed in two sides of the cover plate (3).
6. The construction molding process of the cast-in-situ stair for construction according to claim 5, wherein the bottom of the mounting seat (11) is provided with a convex strip, and the template (1) is provided with a groove matched with the convex strip.
7. The construction molding process of the cast-in-situ stair for construction according to claim 6, wherein the rectangular magnet plate (6) is arranged on the top surface of the cover plate (3), the steel bars (5) are arranged on the bottom surface of the cover plate (3), and the steel bars (5) are magnetically connected through the magnet plate (6).
8. The structure forming process of the cast-in-situ stair for construction according to claim 7, wherein the top plate (14) is provided with a connecting piece matched with the cover plate (3), and the connecting piece comprises an elastic piece (18) and a pin shaft (19); the elastic piece (18) is arranged on the inner wall of the mounting cavity (17), the pin shaft (19) is arranged on the elastic piece (18), the pin shaft (19) is matched with the connecting block (20) on the cover plate (3), and the connecting block (20) is provided with a connecting hole matched with the connecting block (20).
9. The construction molding process of the cast-in-situ stair for construction according to claim 8, wherein four connecting blocks (20) are arranged on the top surface of the cover plate (3) respectively.
10. The structure forming process of the cast-in-situ stair for construction according to claim 9, wherein the elastic piece (18) comprises a connecting rod (21), a spring (22) and a mounting block (23), two ends of the connecting rod (21) are respectively connected with the fixing blocks, the fixing blocks are mounted on the top plate (14), the connecting rod (21) is sleeved with the mounting block (23) in a sliding manner, the connecting rod (21) is sleeved with the spring (22), the bottom end of the spring (22) is connected with the mounting block (23), the top end of the spring (22) is connected with the upper fixing block, and the pin shaft (19) is arranged on the mounting block (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210733797.0A CN115030490B (en) | 2022-06-27 | 2022-06-27 | Structure forming process of cast-in-situ stair for construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210733797.0A CN115030490B (en) | 2022-06-27 | 2022-06-27 | Structure forming process of cast-in-situ stair for construction |
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| CN115030490A CN115030490A (en) | 2022-09-09 |
| CN115030490B true CN115030490B (en) | 2023-12-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117697953B (en) * | 2024-02-05 | 2024-04-09 | 山东广发建材制品有限公司 | Pouring equipment for concrete prefabricated stairway |
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| EP2808143A1 (en) * | 2013-05-13 | 2014-12-03 | Franz Oberndorfer GmbH & Co KG | Formwork for the construction of a staircase |
| CN205908019U (en) * | 2016-08-24 | 2017-01-25 | 四川省建筑设计研究院 | Prefabricated staircase mould of removable template |
| CN210414929U (en) * | 2019-04-30 | 2020-04-28 | 重庆川船大业钢结构有限公司 | Assembled stair mould |
| CN112643859A (en) * | 2020-12-10 | 2021-04-13 | 滁州市悦鹏设备有限公司 | Concrete prefabricated staircase production mould |
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2022
- 2022-06-27 CN CN202210733797.0A patent/CN115030490B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09123142A (en) * | 1995-10-26 | 1997-05-13 | Ando Corp | Precast concrete stair molding machine |
| KR100760232B1 (en) * | 2006-06-02 | 2007-09-20 | 정민선 | Precast stairs and the unit structure thereof, and constructing method for stairway using the same |
| EP2808143A1 (en) * | 2013-05-13 | 2014-12-03 | Franz Oberndorfer GmbH & Co KG | Formwork for the construction of a staircase |
| CN205908019U (en) * | 2016-08-24 | 2017-01-25 | 四川省建筑设计研究院 | Prefabricated staircase mould of removable template |
| CN210414929U (en) * | 2019-04-30 | 2020-04-28 | 重庆川船大业钢结构有限公司 | Assembled stair mould |
| CN112643859A (en) * | 2020-12-10 | 2021-04-13 | 滁州市悦鹏设备有限公司 | Concrete prefabricated staircase production mould |
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| CN115030490A (en) | 2022-09-09 |
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