CN115030490A - Structure forming process of cast-in-place stair for construction - Google Patents
Structure forming process of cast-in-place stair for construction Download PDFInfo
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- CN115030490A CN115030490A CN202210733797.0A CN202210733797A CN115030490A CN 115030490 A CN115030490 A CN 115030490A CN 202210733797 A CN202210733797 A CN 202210733797A CN 115030490 A CN115030490 A CN 115030490A
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- cover plate
- stair
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- cavity
- forming process
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000010276 construction Methods 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 36
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 14
- 239000002002 slurry Substances 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000009415 formwork Methods 0.000 claims 10
- 238000000465 moulding Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 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
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- 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
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- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention discloses a structure forming process of a cast-in-place 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 magnetic ribbon boards, and after a stair forming die is installed; the driving motor is started to work to drive the screw rod to rotate, the two mounting seats are enabled to move close to each other through the sliding block until the two templates are tightly attached to each other, when the mounting seats move horizontally, the cover plate on the top plate is driven to move upwards through the movable rod, the cover plate falls into the opening of the template, the reinforcing steel bar is placed in the cavity, and the die assembly action is completed; injecting concrete slurry into the cavity through the grouting port, and then molding in the cavity; the invention greatly improves the efficiency of the structure forming process of the cast-in-place stair and greatly shortens the forming time by utilizing the stair forming die and the die driving mechanism.
Description
Technical Field
The invention relates to the technical field of construction, in particular to a structure forming process of a cast-in-place stair for construction.
Background
Chinese patent CN216076310U discloses a stair pouring template device, which comprises a supporting platform, a vertical plate, a first pouring template, a first connecting template, an L-shaped connecting template, a plurality of step pouring templates and a second pouring template, which are horizontally and fixedly arranged; the pouring template device in the embodiment of the application is characterized in that the pouring template device is connected with a plurality of step pouring templates through L-shaped connecting templates and a plurality of step pouring templates which are matched with each other, and a pair of adjacent step pouring templates are connected through the L-shaped connecting templates, wherein the L-shaped connecting templates are used for forming step templates of a stair, and the step pouring templates are used for forming step templates of the stair; when in pouring, the concrete stair shape can be quickly formed by pouring concrete; the L-shaped connecting template and the plurality of step pouring templates adopt a modular structure, and are fixedly connected by adopting the locking assembly, so that an operator can conveniently carry out mounting and dismounting operations;
in the prior art, in the structure forming process of the cast-in-place stair, the method generally adopted 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 rethread lifting device dismantles the mould and separates, and is obvious, and the work that current stair artifical participated in the casting shaping is more, and the operation is more troublesome, leads to stair shaping efficiency ratio lower.
Disclosure of Invention
The invention aims to solve the problems of the background technology and provides a structure forming process of a cast-in-place stair for construction; the efficiency of the structure forming process of the cast-in-situ stair is greatly improved by utilizing the stair forming die and the die driving mechanism, and the forming time is greatly shortened.
The purpose of the invention can be realized by the following technical scheme:
a structure forming process of a cast-in-place stair for construction comprises the following steps:
step 1: firstly, respectively installing two templates on an installation seat, then installing a cover plate on a top plate, fixing and attracting a reinforcing steel bar on the cover plate through a magnetic bar plate, and after the stair forming die is installed;
the driving motor is started to work to drive the screw rod to rotate, the two mounting seats are enabled to move close to each other through the sliding block until the two templates are tightly attached to each other, when the mounting seats move horizontally, the cover plate on the top plate is driven to move upwards through the movable rod, the cover plate falls into the opening of the template, the reinforcing steel bar is placed in the cavity, and the die assembly action is completed;
step 2: injecting concrete slurry into the cavity through the grouting port, and then forming in the cavity;
and step 3: after the concrete stair is formed in the cavity, the driving motor is controlled to rotate oppositely, so that the template and the cover plate are reset, the die opening action is realized, and the formed concrete stair is taken out.
As a further scheme of the invention: the two symmetrical templates are of a frame-shaped structure, the folding line plates are arranged in the templates, a cavity for stair pouring is formed between the two templates through the folding line plates, an opening is formed in the top of each template, and a cover plate is arranged at the opening.
As a further scheme of the invention: 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 horizontal equidirectional movement of the template.
As a further scheme of the invention: rubber gaskets are arranged between the two templates and between the cover plate and the two templates.
As a further scheme of the invention: the mould driving mechanism comprises a base; the top surface of the base is provided with two mounting seats, the two mounting seats are close to each other or far away from each other to move, guide pillars are respectively arranged on the front side and the rear side of each mounting seat, each guide pillar penetrates through the top plate and is in sliding connection with the top plate, two ends of the top plate are respectively 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;
a positioning column is arranged on the mounting seat and is matched with the positioning hole of the positioning block;
be provided with rectangular installation cavity on the roof, this installation cavity is used for placing the apron, and the both sides of apron are provided with the slip casting mouth.
As a further scheme of the invention: the bottom of mount pad is provided with the sand grip, and sets up the recess with sand grip looks adaptation on the template.
As a further scheme of the invention: the top surface of the cover plate is provided with a rectangular magnet plate, the bottom surface of the cover plate is provided with a steel bar, and the steel bar is connected with the magnet plate through magnetic force.
As a further scheme of the invention: 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 component is arranged on the inner wall of the installation cavity, a pin shaft is arranged on the elastic component, the pin shaft is matched with the connecting block on the cover plate, and a connecting hole matched with the connecting block is formed in the connecting block.
As a further scheme of the invention: the connecting block is provided with four, is located the top surface of apron respectively.
As a further scheme of the invention: the elastic component comprises a connecting rod, a spring and an installation block, the two ends of the connecting rod are respectively connected with the fixed block, the fixed block is installed on the top plate, the installation block is sleeved on the connecting rod in a sliding mode, the spring is sleeved on the connecting rod, the bottom end of the spring is connected with the installation block, the top end of the spring is connected with the upper fixed block, and the pin shaft is arranged on the installation block.
The invention 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 in operation, the two templates and the cover plate are simultaneously controlled to move, so that the time spent on the die closing and opening of the stair forming die is prolonged;
the concrete structure design of the mould driving mechanism is convenient for mounting and dismounting the two templates and the cover plate, so that the time spent on assembling the early-stage equipment during the concrete stair molding is further shortened;
in conclusion, the efficiency of the structure forming process of the cast-in-place stair is greatly improved by utilizing the stair forming die and the die driving mechanism, and the forming time is greatly shortened.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic structural view of a stair forming mold according to the present invention;
FIG. 3 is a schematic structural view of the die drive mechanism of the present invention;
FIG. 4 is a cross-sectional view of the die drive mechanism of the present invention;
FIG. 5 is a schematic view of the connection between the top plate and the cover plate according to the present invention;
fig. 6 is a schematic view of the structure of the elastic member of the present invention.
In the figure: 1. a template; 2. positioning blocks; 3. a cover plate; 4. a cavity; 5. reinforcing steel bars; 6. a magnet plate; 7. a base; 8. a drive motor; 9. a screw rod; 10. a slider; 11. a mounting seat; 12. a guide post; 13. a movable rod; 14. a top plate; 15. a positioning column; 16. a grouting port; 17. a mounting cavity; 18. an elastic member; 19. a pin shaft; 20. connecting blocks; 21. a connecting rod; 22. a spring; 23. and (7) installing the block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 2-6, the present invention relates to a structure forming device for cast-in-place stairs, which comprises a stair forming mold;
the stair forming die comprises two die plates 1, positioning blocks 2, cover plates 3 and cavities 4, wherein the die plates 1 are symmetrically arranged, the die plates 1 are of frame structures, the folding line plates are arranged in the die plates 1, the cavities 4 for stair pouring are formed between the two die plates 1 through the folding line plates, openings are formed in the tops of the die plates 1, the cover plates 3 are arranged at the openings, so the cavities 4 for stair pouring are enclosed by the die plates 1 and the cover plates 3, a stair poured through the cavities 4 is in a vertical state, the horizontal length of the die plates 1 is shortened, the stair forming die is smaller in size, and the stair forming die is 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 mold driving mechanism through a positioning block 2, the mold driving mechanism is used for controlling the template 1 to horizontally move in the same direction to realize opening and closing of the two templates 1, so that automatic pouring of the ladder is realized, and the problems in the prior art that generally workers integrate the two molds together and then fixedly connect the two molds through bolts and the like to form a pouring cavity and detach and separate the molds through hoisting equipment are solved;
rubber gaskets are arranged between the two templates 1 and between the cover plate 3 and the two templates 1, and the sealing performance of the cavity 4 during pouring is guaranteed by the aid of the rubber gaskets.
Example 2
The die 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; two installation seats 11 are arranged on the top surface of the base 7, the installation seats 11 are connected with the output end of the driving piece, so that the installation seats 11 can move close to or away from each other, guide pillars 12 are respectively arranged on the front side and the rear side of the installation seats 11, the guide pillars 12 penetrate through the top plate 14 and are in sliding connection with the top plate 14, the guide pillars 12 play a role in limiting sliding for the movement of the top plate 14, two ends of the top plate 14 are respectively 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 installation seats 11, and the installation seats 11 drive the top plate 14 to move vertically and highly in the horizontal moving process through the arrangement of the movable rods 13;
the installation base 11 is provided with a positioning column 15, the positioning column 15 is matched with a positioning hole of the positioning block 2, the positioning column 15 is located on the top surface of the installation base 11, and the distance between the positioning column 15 and the side wall of the installation base 11 is matched with the distance between the positioning block 2 and the side wall of the template 1, so that when the template 1 is installed, the positioning column 15 can not only play a role in positioning and installing the template 1, but also enable the side wall of the template 1 to be abutted against the side wall of the installation base 11, so that the template 1 is stably located on the installation base 11, the bottom of the installation base 11 is provided with a raised line, the template 1 is provided with a groove matched with the raised line, 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 raised line, and the stress is more stable when the template 1 is opened and closed;
a rectangular mounting cavity 17 is formed in the top plate 14, the mounting cavity 17 is used for placing the cover plate 3, grouting ports 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, reinforcing steel bars 5 are arranged on the bottom surface of the cover plate 3, the reinforcing steel bars 5 are magnetically connected through the magnet plate 6, the magnet plate 6 is arranged on the cover plate 3, the reinforcing steel bars 5 can be connected with the cover plate 3 without adopting connecting modes such as clamping and the like, therefore, before pouring, the reinforcing steel bars 5 directly enter the cavity 4 along with the cover plate 3, after pouring is completed, the reinforcing steel bars 5 are also separated from the cover plate 3 and are left in a formed concrete stair, and automatic separation of the reinforcing steel bars 5 and the cover plate 3 is realized;
the driving piece comprises a driving motor 8, a screw rod 9 and sliding blocks 10, the driving motor 8 is installed 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 formed in the base 7, the sliding blocks 10 are respectively sleeved at two ends of the screw rod 9, the sliding blocks 10 are located in the rectangular groove body and are 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 an opposite mode, so that the sliding blocks 10 can move close to or away from each other;
when the stair forming die works, firstly, the two templates 1 are respectively installed on the installation seats 11, then the cover plate 3 is installed on the top plate 14, after the stair forming die is installed, the driving motor 8 is started to work to drive the screw rod 9 to rotate, the two installation seats 11 are enabled to mutually approach and move through the slide block 10 until the two templates 1 are mutually and tightly attached, when the installation seats 11 horizontally move, the cover plate 3 on the top plate 14 is driven to move upwards through the movable rod 13, the cover plate 3 is enabled to fall into the opening of the template 1, and die assembly is completed; on the same principle, the driving motor 8 is controlled to rotate oppositely, so that the form removal action can be completed, and then the formed concrete stair is taken out; the mould driving mechanism can automatically realize the actions of closing and opening the mould of the stair forming mould, and when the mould driving mechanism works, the two templates 1 and the cover plate 3 are simultaneously controlled to move, so that the time spent on closing and opening the mould of the stair forming mould is 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 part 18 is arranged on the inner wall of the mounting cavity 17, the elastic part 18 is provided with four pin shafts 19, the pin shafts 19 are matched with the connecting blocks 20 on the cover plate 3, the 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; 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 be in elastic 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;
Example 3
Referring to fig. 1, the invention relates to a structure forming process of a cast-in-place stair for construction, which comprises the following steps:
step 1: firstly, respectively installing two templates 1 on an installation seat 11, then installing a cover plate 3 on a top plate 14, fixing and attracting a steel bar 5 on the cover plate 3 through a magnetic strip plate 6, and after the stair forming die is installed;
starting a driving motor 8 to work, driving a screw rod 9 to rotate, enabling two mounting bases 11 to move close to each other through a sliding block 10 until two templates 1 are tightly attached to each other, and driving a cover plate 3 on a top plate 14 to move upwards through a movable rod 13 when the mounting bases 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 complete die assembly;
step 2: injecting concrete slurry into the cavity 4 through the grouting port 16, and then forming in the cavity 4;
and step 3: after the concrete stair is formed in the cavity 4, the driving motor 8 is controlled to rotate oppositely, so that the template 1 and the cover plate 3 are reset, the die opening action is realized, and the formed concrete stair is taken out.
The working principle of the invention 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 work, the two templates 1 and the cover plate 3 are controlled to move simultaneously, so that the time spent on the die closing and opening of the stair forming die is prolonged;
and the concrete structural design to mould actuating mechanism for conveniently install and dismantle two template 1 and apron 3, thereby will further shorten the time that equipment assembly in earlier stage when concrete stair shaping will spend.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (10)
1. A structure forming process of a cast-in-place stair for construction is characterized by comprising the following steps:
step 1: firstly, respectively installing two templates (1) on an installation seat (11), then installing a cover plate (3) on a top plate (14), fixing and attracting a reinforcing steel bar (5) on the cover plate (3) through a magnetic strip plate (6), and after the stair forming mold is installed;
the driving motor (8) is started to work, the screw rod (9) is driven to rotate, the two mounting bases (11) are enabled to move close to each other through the sliding block (10) until the two templates (1) are tightly attached to each other, when the mounting bases (11) move horizontally, the cover plate (3) on the top plate (14) is driven to move upwards through the movable rod (13), the cover plate (3) falls into an opening of the template (1), the reinforcing steel bar (5) is placed in the cavity (4), and die assembly is completed;
step 2: injecting concrete slurry into the cavity (4) through the grouting opening (16), and then forming in the cavity (4);
and 3, step 3: after the concrete stair is formed in the cavity (4), the driving motor (8) is controlled to rotate oppositely, so that the template (1) and the cover plate (3) are reset, the die opening action is realized, and the formed concrete stair is taken out.
2. The structure forming process of the cast-in-place stair for construction according to claim 1, wherein two formwork (1) are symmetrically arranged, the formwork (1) is of a frame-shaped structure, a broken line plate is arranged in the formwork (1), a cavity (4) for stair pouring is formed between the two formworks (1) through the broken line plate, an opening is formed in the top of the formwork (1), and a cover plate (3) is arranged at the opening.
3. The structure forming process of the cast-in-place stair for construction according to claim 2, wherein the side wall of the formwork (1) is provided with two positioning blocks (2), the two positioning blocks (2) are respectively positioned on two sides of the formwork (1), and the positioning holes are formed in the positioning blocks (2); the template (1) is connected with a mold driving mechanism through a positioning block (2), and the mold driving mechanism is used for controlling the horizontal and same-direction movement of the template (1).
4. The structure forming process of the cast-in-place stair for construction according to claim 1, wherein rubber gaskets are arranged between the two formworks (1) and between the cover plate (3) and the two formworks (1).
5. The structure forming process of the cast-in-place stair for construction according to claim 2, wherein the mold driving mechanism comprises a base (7); two installation seats (11) are arranged on the top surface of the base (7), the two installation seats (11) move close to or away from each other, guide pillars (12) are respectively arranged on the front side and the rear side of each installation seat (11), each guide pillar (12) penetrates through the top plate (14) and is in sliding connection with the top plate (14), two ends of each top plate (14) are respectively movably connected with one end of a movable rod (13), and the other end of each movable rod (13) is movably connected with the top surface of the corresponding installation seat (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 ports (16) are formed in two sides of the cover plate (3).
6. The structure forming process of the cast-in-place stair for construction according to claim 5, wherein the bottom of the mounting seat (11) is provided with a convex strip, and the formwork (1) is provided with a groove matched with the convex strip.
7. The structure forming process of the cast-in-place stair for construction according to claim 6, wherein the top surface of the cover plate (3) is provided with a rectangular magnet plate (6), the bottom surface of the cover plate (3) is provided with a steel bar (5), and the steel bar (5) is magnetically connected through the magnet plate (6).
8. The structure forming process of the cast-in-place 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); elastic component (18) set up on the inner wall of installation cavity (17), and be provided with round pin axle (19) on elastic component (18), round pin axle (19) and connecting block (20) looks adaptation on apron (3), and be provided with the connecting hole with connecting block (20) looks adaptation on connecting block (20).
9. The structure forming process of the cast-in-place stair for construction according to claim 8, wherein four connecting blocks (20) are provided, and are respectively located on the top surface of the cover plate (3).
10. The structure forming process of the cast-in-place stair for construction according to claim 9, wherein the elastic member (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 block, the fixing block is mounted on the top plate (14), the mounting block (23) is slidably sleeved on the connecting rod (21), 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).
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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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|---|---|---|---|
| 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 true CN115030490A (en) | 2022-09-09 |
| CN115030490B CN115030490B (en) | 2023-12-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117697953A (en) * | 2024-02-05 | 2024-03-15 | 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117697953A (en) * | 2024-02-05 | 2024-03-15 | 山东广发建材制品有限公司 | Pouring equipment for concrete prefabricated stairway |
| 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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| CN115030490B (en) | 2023-12-12 |
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