Spiral stair prefabricated part and preparation method thereof

Abstract

The invention belongs to the technical field of spiral stair prefabricated part preparation, and discloses a spiral stair prefabricated part preparation method which is applied to prefabricating equipment and comprises the following preparation processes that S1, a steel bar frame is laid in a mold assembly, the mold assembly is rotated to be vertical, and an execution assembly is put down; s2, concrete pouring equipment is utilized, concrete is poured into the mold assembly through an execution assembly, the height of the concrete can reach the interior of a height judgment assembly along with increase of the height of the concrete in the mold assembly, the height judgment assembly is triggered, and the interior of the mold assembly can be filled at the moment; and S3, the pouring box and the straight and flat screen plate are moved, and the straight and flat screen plate is moved to the position above the mold assembly. By means of the design, it can be guaranteed that after concrete pouring is completed, the radian to which the concrete in the fixed formwork and the movable formwork moves relative to the tops of the fixed formwork and the movable formwork is kept, and the problem that the radian is different after forming due to active leveling of the concrete is solved.

Description

Technical Field

[0001] The invention belongs to the technical field of spiral staircase prefabricated component preparation, in particular to a spiral staircase prefabricated component and a preparation method thereof. Background Art

[0002] At present, most prefabricated parts of spiral staircases are metal products. The various parts of the spiral staircase are manufactured in the original factory and then transported to the installation location. The prefabricated parts of the spiral staircase are assembled on site. However, most spiral staircases made of concrete are currently constructed on site by building bricks and pouring concrete. This method will increase the workload and time of on-site construction. Therefore, spiral staircase concrete prefabricated parts are gradually being used. These prefabricated parts have both the strength of concrete and the convenience of assembly of prefabricated parts.

[0003] Now the market demand for spiral staircase prefabricated concrete parts is gradually increasing, but there are still difficulties in the prefabrication process of spiral staircase prefabricated concrete parts. Since the template of the spiral staircase prefabricated concrete part is different from the straight staircase template, it is not in a horizontal state and has a curvature, and it cannot be directly poured. In the process of pouring concrete, it is necessary to shape the curvature of the template. Since the concrete is fluid during pouring, it is difficult to maintain the same curvature as the template, and it is also easy to have the problem that the molded concrete prefabricated parts are poor and have low strength. Therefore, a spiral staircase prefabricated part and a preparation method thereof are proposed to solve the above problems. Summary of the invention

[0004] In order to solve the problems raised in the above background technology, the present invention provides a spiral staircase prefabricated component and a preparation method thereof.

[0005] To achieve the above object, the present invention provides the following technical solution: a method for preparing a spiral staircase prefabricated part, which is applied to a prefabrication device, and the preparation process is as follows:

[0006] S1: Lay a steel frame inside the mold assembly, rotate the mold assembly vertically, and lower the actuator assembly;

[0007] S2: Use the concrete pouring equipment to pour concrete into the mold assembly through the execution component. As the height of the concrete inside the mold assembly increases, the concrete height will reach the inside of the height determination component and trigger the height determination component. At this time, the inside of the mold assembly will be filled;

[0008] S3: Move the pouring box and the straight flat screen to move the straight flat screen to the top of the mold assembly, remove the excess concrete above the mold assembly and move it to the discharge box, so that the height determination component abuts against the control valve component, and release the sealing of the discharge box by the control valve component, and at the same time, the concrete delivery pump pumps the concrete inside the pouring box through the control valve component;

[0009] S4: while the quick-setting box is moving, the quick-setting agent is placed below the mixing assembly, and when the quick-setting box is moved to the top of the mold assembly, hot water is transported into the mixing assembly by a water pump and fully mixed with the quick-setting agent in the mixing assembly;

[0010] S5: As the water level inside the mixing assembly rises, the hot water mixed with the quick-setting agent flows into the quick-setting box and is evenly sprinkled on the concrete inside the mold assembly through the quick-setting box to accelerate the initial solidification of the concrete.

[0011] Preferably, the prefabrication equipment comprises a mold assembly, an execution assembly, a height determination assembly, a valve control assembly and a mixing assembly;

[0012] The execution component is arranged on the mold component, and the height determination component, the valve control component and the mixing component are arranged on the mold component respectively;

[0013] The mold assembly includes a base, the movable seat is movably mounted on the base and driven to rotate by a motor, the movable seat is divided into two parts, a support and a bottom plate, and the support is driven by the motor, the bottom plate is mounted on the support by bolts, a fixed template is fixedly mounted on the bottom plate of the movable seat, a hydraulic cylinder is mounted on one side of the movable seat support, and an output end of the hydraulic cylinder is connected to a movable template located on the bottom plate of the movable seat by bolts, and the movable template faces the fixed template;

[0014] The actuator assembly includes a mounting frame, which is mounted on a base, on which a pneumatic cylinder is mounted, an output end of the pneumatic cylinder is connected to a limited position fixing frame, sliders are slidably mounted below both sides of the limited position fixing frame, an inner side of the slider is connected to a pouring box, one side of the pouring box is connected to a quick-setting box, an electric telescopic rod 1 on the same side as the quick-setting box is mounted on one side of the limited position fixing frame, an output end of the electric telescopic rod 1 is connected to the quick-setting box, and one side of the bottom of the limited position fixing frame is connected to a discharge box located on the other side of the pouring box.

[0015] Preferably, a straight flat mesh plate is installed above the interior of the pouring box, a feed port with the same shape and size as the gap between the fixed template and the movable template is opened at the bottom of the pouring box, a guide plate located between the feed port and the straight flat mesh plate is installed inside the pouring box, a connecting plate 1 is installed inside the quick-setting box, a plurality of water outlet holes are opened inside the connecting plate 1, a geotextile is installed below the interior of the quick-setting box, a fixed mesh plate located on the geotextile is installed inside the quick-setting box, an electric telescopic rod 2 is installed on the top of the quick-setting box, the output end of the electric telescopic rod 2 is connected to the connecting plate 2, connecting rods are connected to both sides of the bottom of the connecting plate 2, and the bottom end of the connecting rod extends to the interior of the quick-setting box and is connected to a sealing plate that can close the water outlet holes.

[0016] Preferably, the height determination component includes a determination box, which is installed on the filling box, and the determination box is provided with a feed port at the bottom of one side facing the inside of the filling box, the internal sleeve of the determination box is provided with a piston rod, the top end of the piston rod extends to the top of the determination box, a connecting frame is installed on the top of the determination box, a pressure sensor is installed inside the connecting frame and the pressure sensor is in contact with the top end of the piston rod, the internal sleeve of the determination box is provided with a piston block located below the piston rod, the top of the piston block is connected to a round rod, the top of the round rod passes through the piston rod and the connecting frame and extends to the top of the connecting frame and is connected to an inclined block, the external movable sleeve of the round rod is provided with a connecting seat located on the connecting frame, the outer surface movable sleeve of the piston rod is provided with a spring 1, one end of the spring 1 is connected to the piston rod, and the other end of the spring 1 is connected to the determination box, the external fixed sleeve of the round rod is provided with a spring 2, one end of the spring 2 is connected to the inclined block, and the other end of the spring 2 is connected to the connecting seat.

[0017] Preferably, the control valve assembly includes a feed extraction pipe, which is fixedly connected to the other side of the discharge box, and two moving rods are movably sleeved on the left side of the discharge box, and the top of the two moving rods is provided with a trapezoidal block, and the bottom of the two moving rods is connected with a clamping plate, and the clamping plate is clamped in the inside of the feed extraction pipe and can close the feed extraction pipe, and the outer sleeve of the moving rod is provided with a tension spring, one end of the tension spring is connected to the trapezoidal block, and the other end of the tension spring is connected to the discharge box.

[0018] Preferably, the mixing assembly includes a mixing box, which is fixedly mounted on a quick-setting box, a bending plate is installed inside the mixing box, a water inlet pipe 2 is fixedly connected to the right side of the top of the mixing box, a connecting pipe is connected to the bottom of the mixing box, the other end of the connecting pipe is connected to the quick-setting box, a water inlet pipe 1 is opened inside the mixing box on the left side of the bending plate, a liquid level sensor is installed on the top of the quick-setting box, and the bottom of the liquid level sensor extends to the interior of the quick-setting box.

[0019] Preferably, the top of the mixing box is fixedly connected to a material holding tank, a fixed cylinder is fixedly installed inside the material holding tank, four discharge holes arranged in a surrounding manner are opened at the bottom of the fixed cylinder, a support frame is fixedly installed on the top of the material holding tank, a stirring rod is movably installed inside the support frame and the bottom end of the stirring rod extends to the inside of the fixed cylinder, and a gear is fixedly sleeved on the top of the outer surface of the stirring rod.

[0020] The cam is connected with two cams at two ends, and the cam is connected with a spring, and the cam is connected with a spring at two ends, and the cam is connected with a spring at two ends.

[0021] Preferably, two fixed plates are connected to the side of the limit fixing frame facing the material tank, a mounting rod is connected between the two fixed plates, a movable frame is sleeved on the outside of the mounting rod, a spring three is sleeved on the outside of the mounting rod, one side of the spring three is connected to the movable frame, the other side of the spring three is connected to the fixed plate, one side of the movable frame is connected to a rack that can mesh with a gear, and the bottom of the movable frame is connected to an extrusion plate that can contact the push plate.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. The present invention provides a pouring box and a discharge box, and pours concrete uniformly inside the pouring box through the concrete pouring equipment, so that the concrete falls on the guide plate through the straight flat mesh plate, and is guided by the guide plate to the inside of the fixed formwork and the movable formwork. With the pouring of concrete, the lower part of the fixed formwork and the movable formwork can be filled, and the concrete gradually rises inside the pouring box. When the space between the fixed formwork and the movable formwork is completely filled, the pouring of concrete is stopped. The pouring box and the quick-setting box are both matched with the top of the fixed formwork and the movable formwork. Due to the operation of the electric telescopic rod 1, the quick-setting box and the pouring box can be pushed to move toward the discharge box. At this time, with the movement of the quick-setting box and the pouring box, the excess concrete in the pouring box above the fixed formwork and the movable formwork can be removed and moved to the discharge box. This design can ensure that after the concrete pouring is completed, the concrete inside the fixed formwork and the movable formwork maintains the same curvature as the top of the fixed formwork and the movable formwork, so as to avoid the problem of difference in curvature after molding caused by active leveling of the concrete.

[0024] 2. The present invention provides a quick-setting box and a mixing assembly. As the quick-setting box and the pouring box move, the mixing box can be moved as a whole. At this time, the push plate will be squeezed by the squeezing plate and drive the movable ring to rotate. Due to the rotation of the movable ring, the protrusion can release the squeezing of the movable plate. At this time, the tension spring 2 in a stretched state drives the movable plate to move outward due to the tension of the spring and releases the closure of the discharge hole, so that the quick-setting agent powder inside the material tank is discharged to the bending plate. When the mixing box moves as a whole, the gear will mesh and rotate on the rack and drive the stirring rod to rotate and stir in the quick-setting agent powder inside the fixed cylinder. At this time, the discharge of the quick-setting agent powder can be accelerated to avoid the phenomenon of material jamming. The water pump transports hot water to the bending plate inside the mixing box through the water inlet pipe 2. On the upper side, it is fully mixed with the quick-setting agent powder on the bending plate to form a quick-setting agent powder mixture. As the liquid level inside the bending plate rises, the quick-setting agent powder mixture will reach the water inlet pipe and be transported to the connecting plate 1 inside the quick-setting box along the water inlet pipe 1 and the connecting pipe. As the liquid level inside the quick-setting box rises, the quick-setting box can be filled and the liquid level sensor can be triggered. The control end drives the electric telescopic rod 2 to rise, and drives the connecting plate 2, the connecting rod and the sealing plate to rise, and releases the blockage of the water outlet. At this time, the coagulant powder mixture inside the connecting plate 1 will be evenly spread on the fixed mesh plate through each water outlet, and spread on the concrete between the fixed formwork and the movable formwork through the fixed mesh plate and the geotextile, so as to accelerate the initial solidification of the concrete, accelerate the concrete to lose fluidity, and quickly set.

[0025] 3. The present invention provides a discharge box and a control valve assembly. With the movement of the pouring box, the inclined surface block can be abutted against the trapezoidal block. Since the elastic force of the tension spring 1 is greater than the elastic force of the spring 2, the trapezoidal block squeezes the inclined surface block, the round rod and the piston block to move downward, and pushes the gas inside the judgment box, and squeezes the concrete inside the judgment box to be discharged from the inside of the judgment box. When the inclined surface block is squeezed to the lowest point, it will abut against the connecting seat and will not be able to fall. With the continuous movement of the pouring box, the trapezoidal block, the moving rod and the clamping plate are squeezed and pushed to move upward, and the tension spring 1 is pulled. When the pallet is opened, the pouring box will be completely separated from the fixed formwork and the movable formwork to prevent the concrete inside the pouring box from being discharged through the pumping pipe before the pouring box is separated from the fixed formwork and the movable formwork, thereby reducing the amount of concrete inside the pouring box and the amount of concrete on both sides of the fixed formwork and the movable formwork, further ensuring the quality of the prefabricated concrete staircase parts after forming and avoiding defects. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of the present invention;

[0027] Figure 2It is a schematic diagram of the cross-section of the present invention;

[0028] Figure 3 for Figure 2 A schematic diagram of the local enlarged structure at point A in the middle;

[0029] Figure 4 for Figure 2 A schematic diagram of the local enlarged structure at B in the middle;

[0030] Figure 5 It is a cross-sectional structural schematic diagram of the filling box of the present invention;

[0031] Figure 6 It is a schematic diagram of the structure of the top of the present invention;

[0032] Figure 7 for Figure 6 A schematic diagram of the local enlarged structure at C in the middle;

[0033] Figure 8 for Figure 6 A schematic diagram of the local enlarged structure at D in the middle;

[0034] Fig. 9 It is a schematic cross-sectional structural diagram of the material holding tank of the present invention;

[0035] Fig.10 for Fig. 9 A schematic diagram of the local enlarged structure at E in the middle;

[0036] Fig.11 It is a structural schematic diagram of the side surface of the present invention;

[0037] Fig.12 It is a schematic diagram of the structure of the top section of the present invention;

[0038] Fig.13 for Fig.12 The schematic diagram of the partial enlarged structure at F in the middle;

[0039] Fig.14 It is a schematic cross-sectional structure diagram of the quick-setting box of the present invention;

[0040] Fig.15 for Fig.14 A local enlarged schematic diagram of point G in the middle.

[0041] In the figure: 1. mold assembly; 11. base; 12. movable seat; 13. fixed template; 14. hydraulic cylinder; 15. mobile template; 2. actuator assembly; 21. mounting frame; 22. pneumatic cylinder; 23. limit fixing frame; 24. slide block; 25. pouring box; 26. straight flat mesh plate; 27. feed port; 28. guide plate; 29. ​​quick setting box; 210. geotextile; 211. fixed mesh plate; 212. electric extension retractable rod 1; 213, connecting plate 1; 214, water outlet; 215, discharge box; 216, electric telescopic rod 2; 217, connecting plate 2; 218, connecting rod; 219, sealing plate; 3, height determination component; 31, determination box; 32, piston rod; 33, connecting frame; 34, pressure sensor; 35, spring 1; 36, piston block; 37, round rod; 38, inclined block; 39, connecting seat; 310, Spring 2; 4, control valve assembly; 41, extraction pipe; 42, moving rod; 43, trapezoidal block; 44, tension spring 1; 45, clamping plate; 5, mixing assembly; 51, mixing box; 52, connecting pipe; 53, bending plate; 54, water inlet pipe 1; 55, water inlet pipe 2; 56, material tank; 57, fixed cylinder; 58, support frame; 59, stirring rod; 510, gear; 511, discharge hole; 512, fixed plate; 51 3. movable ring; 514. convex block; 515. push plate; 516. movable plate; 517. moving block; 518. fixed rod; 519. tension spring 2; 520. fixed plate; 521. mounting rod; 522. spring 3; 523. movable frame; 524. rack; 525. extrusion plate; 526. liquid level sensor; 527. limit rod; 528. arc spring; 529. mounting block; 530. fixed block. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of this application.

[0043] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "plurality" means two or more, unless otherwise clearly and specifically defined.

[0044] In the description of the present application, the term "for example" is used to mean "used as an example, illustration or description". Any embodiment described as "for example" in the present application is not necessarily to be construed as being more preferred or advantageous than other embodiments. The following description is given to enable any technician in the field to implement and use the present invention. In the following description, details are listed for the purpose of explanation. It should be understood that a person of ordinary skill in the art can recognize that the present invention can be implemented without using these specific details. In other examples, well-known structures and processes will not be elaborated in detail to avoid unnecessary details to obscure the description of the present invention. Therefore, the present invention is not intended to be limited to the embodiments shown, but is consistent with the widest scope consistent with the principles and features disclosed in the present application.

[0045] like Figures 1 to 15 As shown, the present invention provides a method for preparing a spiral staircase prefabricated part, which is applied to a prefabrication device, and the preparation process is as follows:

[0046] S1: Lay a steel bar frame inside the mold assembly 1, rotate the mold assembly 1 vertically, and lower the actuator assembly 2;

[0047] S2: Using concrete pouring equipment, concrete is poured into the mold assembly 1 through the execution component 2. As the height of the concrete in the mold assembly 1 increases, the height of the concrete reaches the inside of the height determination component 3 and triggers the height determination component 3. At this time, the inside of the mold assembly 1 will be filled;

[0048] S3: Move the pouring box 25 and the straight flat mesh plate 26 to the top of the mold assembly 1, remove the excess concrete above the mold assembly 1 and move it to the discharge box 215, so that the height determination component 3 abuts against the control valve component 4, and releases the sealing of the discharge box 215 by the control valve component 4, and at the same time, the concrete delivery pump pumps the concrete inside the pouring box 25 through the control valve component 4;

[0049] S4: while the quick-setting box 29 is moving, the quick-setting agent is placed down in the mixing assembly 5. When the quick-setting box 29 is moved to the top of the mold assembly 1, hot water is transported into the mixing assembly 5 by a water pump and is fully mixed with the quick-setting agent in the mixing assembly 5.

[0050] S5: As the water level inside the mixing assembly 5 rises, the hot water mixed with the quick-setting agent flows into the quick-setting box 29 and is evenly sprinkled on the concrete inside the mold assembly 1 through the quick-setting box 29 to accelerate the initial solidification of the concrete.

[0051] like Figures 1 to 15 As shown, the prefabrication equipment includes a mold component 1, an execution component 2, a height determination component 3, a valve control component 4 and a mixing component 5;

[0052] The execution component 2 is arranged on the mold component 1, and the height determination component 3, the valve control component 4 and the mixing component 5 are arranged on the mold component 1 respectively;

[0053] The mold assembly 1 includes a base 11, a movable base 12 is movably mounted on the base 11 and driven to rotate by a motor, the movable base 12 is divided into two parts, a support and a bottom plate, and the support is driven by the motor, the bottom plate is mounted on the support by bolts, a fixed template 13 is fixedly mounted on the bottom plate of the movable base 12, a hydraulic cylinder 14 is mounted on one side of the support of the movable base 12, and an output end of the hydraulic cylinder 14 is connected to a movable template 15 located on the bottom plate of the movable base 12 by bolts, and the movable template 15 faces the fixed template 13;

[0054] The actuator component 2 includes a mounting frame 21, which is mounted on the base 11. A pneumatic cylinder 22 is mounted on the mounting frame 21. The output end of the pneumatic cylinder 22 is connected to a limited fixed frame 23. Slide blocks 24 are slidably mounted below both sides of the limited fixed frame 23. The inner side of the slide block 24 is connected to a pouring box 25. One side of the pouring box 25 is connected to a quick-setting box 29. An electric telescopic rod 212 on the same side as the quick-setting box 29 is mounted on one side of the limited fixed frame 23. The output end of the electric telescopic rod 212 is connected to the quick-setting box 29. One side of the bottom of the limited fixed frame 23 is connected to a discharge box 215 located on the other side of the pouring box 25.

[0055] The above scheme is adopted: concrete is uniformly poured into the pouring box 25 through the concrete pouring equipment, so that the concrete falls on the guide plate 28 through the straight flat mesh plate 26 and is guided by the guide plate 28 to the inside of the fixed formwork 13 and the movable formwork 15. As the concrete is poured, the lower part of the fixed formwork 13 and the movable formwork 15 can be filled, and the concrete gradually rises inside the pouring box 25. When the space between the fixed formwork 13 and the movable formwork 15 is completely filled, the pouring of concrete is stopped, and the pouring box 25 and the quick-setting box 29 are both connected with the fixed formwork. The plate 13 and the top of the movable template 15 are adapted to each other. Due to the operation of the electric telescopic rod 212, the quick-setting box 29 and the pouring box 25 can be pushed to move toward the discharge box 215. At this time, with the movement of the quick-setting box 29 and the pouring box 25, the excess concrete in the pouring box 25 above the fixed template 13 and the movable template 15 can be removed and moved to the discharge box 215, so as to ensure that after the concrete pouring is completed, the concrete inside the fixed template 13 and the movable template 15 maintains the arc to which the top of the fixed template 13 and the movable template 15 is moved.

[0056] like Figures 1 to 15As shown, a straight flat mesh plate 26 is installed above the interior of the pouring box 25, a feed port 27 of the same shape and size as the gap between the fixed template 13 and the movable template 15 is opened at the bottom of the pouring box 25, a guide plate 28 located between the feed port 27 and the straight flat mesh plate 26 is installed inside the pouring box 25, a connecting plate 213 is installed inside the quick-setting box 29, a plurality of water outlet holes 214 are opened inside the connecting plate 213, a geotextile 210 is installed below the interior of the quick-setting box 29, a fixed mesh plate 211 located on the geotextile 210 is installed inside the quick-setting box 29, an electric telescopic rod 216 is installed on the top of the quick-setting box 29, the output end of the electric telescopic rod 216 is connected to a connecting plate 217, connecting rods 218 are connected to both sides of the bottom of the connecting plate 217, and the bottom end of the connecting rod 218 extends to the interior of the quick-setting box 29 and is connected to a sealing plate 219 that can close the water outlet holes 214.

[0057] The above scheme is adopted: the control end drives the electric telescopic rod 216 to rise, and drives the connecting plate 217, the connecting rod 218 and the sealing plate 219 to rise, and releases the closure of the water outlet 214. At this time, the coagulant powder mixture inside the connecting plate 213 will be evenly spread on the fixed mesh plate 211 through each water outlet hole 214, and spread on the concrete between the fixed formwork 13 and the movable formwork 15 through the fixed mesh plate 211 and the geotextile 210, so as to accelerate the initial solidification of the concrete.

[0058] like Figure 2 and Figure 3 As shown, the height determination component 3 includes a determination box 31, which is installed on the filling box 25. The determination box 31 is provided with a feed port at the lower side of the determination box 31 facing the inside of the filling box 25. The interior of the determination box 31 is provided with a piston rod 32, and the top of the piston rod 32 extends to the top of the determination box 31. A connecting frame 33 is installed on the top of the determination box 31. A pressure sensor 34 is installed inside the connecting frame 33 and the pressure sensor 34 contacts the top of the piston rod 32. The interior of the determination box 31 is provided with a piston block 36 located below the piston rod 32, and the top of the piston block 36 is connected to the piston rod 32. A round rod 37 is connected, the top end of the round rod 37 passes through the piston rod 32 and the connecting frame 33 and extends to the top of the connecting frame 33 and is connected to a ramp block 38. The outer movable sleeve of the round rod 37 is provided with a connecting seat 39 located on the connecting frame 33. The outer surface movable sleeve of the piston rod 32 is provided with a spring 1 35, one end of the spring 1 35 is connected to the piston rod 32, and the other end of the spring 1 35 is connected to the judgment box 31. The outer fixed sleeve of the round rod 37 is provided with a spring 2 310, one end of the spring 2 310 is connected to the ramp block 38, and the other end of the spring 2 310 is connected to the connecting seat 39.

[0059] The above scheme is adopted: when the height of the concrete inside the pouring box 25 rises to the determination box 31, as the height of the concrete pouring rises, due to the fluidity of the concrete, it will be actively leveled under the influence of gravity, so that the concrete can enter the interior of the determination box 31 and squeeze the gas inside the determination box 31 to push up the piston block 36 and the piston rod 32, so that the piston rod 32 applies pressure to the pressure sensor 34. When the pressure sensor 34 is triggered by the pressure, it can be determined that the space between the fixed template 13 and the movable template 15 has been completely filled.

[0060] like Figure 2 and Figure 4 As shown, the control valve assembly 4 includes a feed extraction pipe 41, which is fixedly connected to the other side of the discharge box 215. Two moving rods 42 are movably sleeved on the left side of the discharge box 215. The top of the two moving rods 42 is provided with a trapezoidal block 43, and the bottom of the two moving rods 42 is connected with a clamping plate 45. The clamping plate 45 is clamped in the inside of the feed extraction pipe 41 and can close the feed extraction pipe 41. The outer sleeve of the moving rod 42 is provided with a tension spring 44, one end of the tension spring 44 is connected to the trapezoidal block 43, and the other end of the tension spring 44 is connected to the discharge box 215.

[0061] The above scheme is adopted: when the inclined surface block 38 abuts against the connecting seat 39 and cannot be lowered, and as the pouring box 25 continues to move, the trapezoidal block 43, the moving rod 42 and the clamping plate 45 are squeezed and pushed to move upward, and the tension spring 44 is stretched. At the same time, the clamping plate 45 will release the sealing effect on the extraction pipe 41, and the concrete inside the pouring box 25 is discharged through the extraction pipe 41 by using the concrete delivery pump. When the clamping plate 45 is opened, the pouring box 25 will be completely separated from the fixed template 13 and the movable template 15, preventing the concrete inside the pouring box 25 from being discharged through the extraction pipe 41 before the pouring box 25 is separated from the fixed template 13 and the movable template 15, thereby reducing the amount of concrete inside the pouring box 25, and also reducing the amount of concrete on both sides of the fixed template 13 and the movable template 15, further ensuring the quality of the concrete stair prefabricated parts after forming and avoiding defects.

[0062] like Fig. 9 and Fig.10 As shown, the mixing assembly 5 includes a mixing box 51, which is fixedly mounted on the quick-setting box 29, a bending plate 53 is installed inside the mixing box 51, a water inlet pipe 55 is fixedly connected to the right side of the top of the mixing box 51, a connecting pipe 52 is connected to the bottom of the mixing box 51, and the other end of the connecting pipe 52 is connected to the quick-setting box 29, a water inlet pipe 54 is opened inside the mixing box 51 on the left side of the bending plate 53, a liquid level sensor 526 is installed on the top of the quick-setting box 29, and the bottom of the liquid level sensor 526 extends to the inside of the quick-setting box 29.

[0063] The above scheme is adopted: the water pump transports hot water to the bending plate 53 inside the mixing box 51 through the water inlet pipe 2 55, and fully mixes it with the accelerator powder on the bending plate 53 to form an accelerator powder mixed liquid. As the liquid level inside the bending plate 53 rises, the accelerator powder mixed liquid will reach the water inlet pipe 1 54, and be transported to the connecting plate 1 213 inside the quick-setting box 29 through the water inlet pipe 1 54 and the connecting pipe 52. As the liquid level inside the quick-setting box 29 rises, the quick-setting box 29 can be filled and the liquid level sensor 526 can be triggered.

[0064] like Fig. 9 and Fig.10 As shown, the top of the mixing box 51 is fixedly connected to a material holding tank 56, a fixed cylinder 57 is fixedly installed inside the material holding tank 56, and four discharge holes 511 arranged around are opened at the bottom of the fixed cylinder 57, and a support frame 58 is fixedly installed on the top of the material holding tank 56, and a stirring rod 59 is movably installed inside the support frame 58 and the bottom end of the stirring rod 59 extends to the inside of the fixed cylinder 57, and a gear 510 is fixedly sleeved on the top of the outer surface of the stirring rod 59.

[0065] With the above solution, while the mixing box 51 moves as a whole, the gear 510 will mesh and rotate on the rack 524, and drive the stirring rod 59 to rotate and stir the accelerator powder inside the fixed cylinder 57, thereby accelerating the discharge of the accelerator powder and avoiding the phenomenon of material jamming.

[0066] like Fig. 9 , Fig.12 and Fig.13 As shown, the internal movable sleeve of the material tank 56 is connected with four movable plates 516 arranged around, and the movable plates 516 can close the discharge hole 511. Both sides of the movable plates 516 are connected with moving blocks 517. The internal movable sleeve of the moving block 517 is connected with a fixed rod 518. The other end of the fixed rod 518 is connected to the material tank 56. The outer sleeve of the fixed rod 518 is provided with a tension spring 519. One end of the tension spring 519 is connected to the material tank 56, and the other end of the tension spring 519 is connected to the moving block 517. The outer sleeve of the material tank 56 is fixedly connected with two fixed plates 512 located above and below the movable plate 516. The two fixed plates 512 are A movable ring 513 is movably installed in between, and four circumferentially arranged protrusions 514 are fixedly connected inside the movable ring 513, and the protrusions 514 abut against the movable plate 516. One side of the movable ring 513 is connected to a push plate 515, and one side of the fixed disk 512 is connected to a fixed block 530 that can abut against the push plate 515, and one side of the fixed disk 512 is connected to a mounting block 529 located on the other side of the push plate 515, and the other side of the push plate 515 is connected to a limiting rod 527, and the other end of the limiting rod 527 passes through the mounting block 529 and the outer sleeve of the limiting rod 527 is provided with an arc spring 528 located between the mounting block 529 and the push plate 515.

[0067] The above scheme is adopted: due to the movement of the quick-setting box 29 and the pouring box 25, the mixing box 51 can be moved as a whole. At this time, the push plate 515 will be squeezed by the extrusion plate 525, and drive the movable ring 513 to rotate. At the same time, the arc spring 528 is compressed. As the mixing box 51 continues to move, the mixing box 51 can be rotated to be able to move on the extrusion plate 525 and maintain a deflected state. Due to the rotation of the movable ring 513, the protrusion 514 can release the extrusion of the movable plate 516. At this time, the tension spring 519 is in a stretched state. Due to the tension of the spring, it drives the movable plate 516 and the movable block 517 to move outward along the fixed rod 518, and releases the closure of the movable plate 516 on the discharge hole 511, so that the quick-setting agent powder inside the material tank 56 is discharged onto the bending plate 53.

[0068] like Figure 7 , Figure 8 and Fig.11 As shown, two fixed plates 520 are connected to the side of the limiting fixed frame 23 facing the material tank 56, and a mounting rod 521 is connected between the two fixed plates 520. The outer sleeve of the mounting rod 521 is provided with a movable frame 523, and the outer sleeve of the mounting rod 521 is provided with a spring three 522. One side of the spring three 522 is connected to the movable frame 523, and the other side of the spring three 522 is connected to the fixed plate 520. One side of the movable frame 523 is connected to a rack 524 that can mesh with the gear 510, and the bottom of the movable frame 523 is connected to an extrusion plate 525 that can contact the push plate 515.

[0069] The above scheme is adopted: when the mixing box 51 is reset and moved, the push plate 515 squeezes the fixed block 530 and is blocked by the fixed block 530. As the mixing box 51 continues to move, the push plate 515 squeezes the extrusion plate 525 and the movable frame 523 to the right along the mounting rod 521, and the spring three 522 is compressed. At this time, it can be ensured that when the mixing box 51 is reset and moved, the movable plate 516 will not release the closure of the discharge hole 511.

[0070] A spiral staircase prefabricated component, which is adapted to the gap configuration between a fixed template 13 and a movable template 15, is cast by concrete and has a group of steel bars inside; the prefabricated component is used for assembling a prefabricated spiral staircase.

[0071] The working principle and use process of the present invention:

[0072] The pumping end of the concrete delivery pump is connected to the pumping pipe 41, and the water outlet end of the hot water pump is connected to the water inlet pipe 55.

[0073] When in use, the operator arranges the steel bar frame on the fixed template 13. Due to the operation of the hydraulic cylinder 14, the movable template 15 can be close to the fixed template 13 for mold closing. The movable seat 12, the fixed template 13, the hydraulic cylinder 14 and the movable template 15 are driven by the motor to rotate vertically. Due to the operation of the pneumatic cylinder 22, the limit fixing frame 23 is driven to descend as a whole, so that the pouring box 25 contacts the fixed template 13 and the movable template 15. Then, concrete is poured evenly into the pouring box 25 through the concrete pouring equipment, so that the concrete falls on the guide plate 28 through the straight flat mesh plate 26 and is guided by the guide plate 28 to the inside of the fixed template 13 and the movable template 15. With the pouring of concrete, the lower part of the fixed template 13 and the movable template 15 can be filled, and the concrete can be gradually raised inside the pouring box 25. When the height of the concrete inside the pouring box 25 rises to the judgment box 31, as the height of the concrete pouring rises, due to the fluidity of the concrete, it will be actively leveled under the influence of gravity, which can So that concrete can enter the interior of the judgment box 31, and squeeze the gas inside the judgment box 31 to push up the piston block 36 and the piston rod 32, so that the piston rod 32 applies pressure to the pressure sensor 34. When the pressure sensor 34 is triggered by pressure, it can be determined that the space between the fixed template 13 and the movable template 15 has been completely filled, and the pouring of concrete is stopped. The pouring box 25 and the quick-setting box 29 are both adapted to the top of the fixed template 13 and the movable template 15. Due to the operation of the electric telescopic rod 212, the quick-setting box 29 and the pouring box 25 can be pushed to move toward the discharge box 215. At this time, with the movement of the quick-setting box 29 and the pouring box 25, the excess concrete in the pouring box 25 above the fixed template 13 and the movable template 15 can be removed and moved to the discharge box 215, so as to ensure that after the concrete is poured, the concrete inside the fixed template 13 and the movable template 15 maintains the curvature moved to the top of the fixed template 13 and the movable template 15, thereby avoiding the problem of difference in curvature after molding caused by active leveling of the concrete.

[0074] As the pouring box 25 moves, the inclined surface block 38 can be brought into contact with the trapezoidal block 43. Since the elastic force of the tension spring 1 44 is greater than the elastic force of the spring 2 310, the trapezoidal block 43 squeezes the inclined surface block 38, the round rod 37 and the piston block 36 to move downward, and pushes the gas inside the judgment box 31, squeezing the concrete inside the judgment box 31 to be discharged from the inside of the judgment box 31. When the inclined surface block 38 is squeezed to the lowest point, it will be in contact with the connecting seat 39 and will not be able to fall. As the pouring box 25 continues to move, it squeezes and pushes the trapezoidal block 43, the moving rod 42 and the card plate 45 to move upward, and the tension spring 1 44 is stretched, and at the same time the card plate 45 will release the sealing effect on the extraction pipe 41, and use the concrete delivery pump to discharge the concrete inside the pouring box 25 through the extraction pipe 41. When the clamping plate 45 is opened, the pouring box 25 will be completely separated from the fixed template 13 and the movable template 15, preventing the concrete inside the pouring box 25 from being discharged through the extraction pipe 41 before the pouring box 25 is separated from the fixed template 13 and the movable template 15, thereby reducing the amount of concrete inside the pouring box 25 and reducing the amount of concrete on both sides of the fixed template 13 and the movable template 15, further ensuring the quality of the concrete stair prefabricated parts after molding and avoiding defects.

[0075] As the quick-setting box 29 and the pouring box 25 move, the mixing box 51 can be moved as a whole. At this time, the push plate 515 will be squeezed by the squeezing plate 525, and the movable ring 513 will be driven to rotate. At the same time, the arc spring 528 is compressed. As the mixing box 51 continues to move, the mixing box 51 can be rotated to move on the squeezing plate 525 and keep the deflected state. Due to the rotation of the movable ring 513, the protrusion 514 can release the squeezing of the movable plate 516. At this time, the tension spring 519 in the stretched state drives the movable plate 516 and the movable plate 516 to rotate due to the tension of the spring. The block 517 moves outward along the fixed rod 518, and releases the closure of the discharge hole 511 by the movable plate 516, so that the quick-setting agent powder in the material tank 56 is discharged to the bending plate 53. When the mixing box 51 moves as a whole, the gear 510 will mesh and rotate on the rack 524, and drive the stirring rod 59 to rotate and stir in the quick-setting agent powder in the fixed cylinder 57. At this time, the quick-setting agent powder can be discharged to avoid the phenomenon of material jamming. When the quick-setting box 29 moves to the upper side of the fixed template 13 and the movable template 15, the push plate 515 is no longer squeezed by the squeeze plate 525. The elastic force recovery effect of the shaped spring 528 can drive the push plate 515 to reset, and re-squeeze the movable plate 516 to move inward through the protrusion 514 to close the discharge hole 511. The water pump transports hot water to the bending plate 53 inside the mixing box 51 through the water inlet pipe 2 55, and fully mixes with the quick-setting agent powder on the bending plate 53 to form a quick-setting agent powder mixed liquid. As the liquid level inside the bending plate 53 rises, the quick-setting agent powder mixed liquid will reach the water inlet pipe 1 54, and will be transported to the connecting plate 1 213 inside the quick-setting box 29 through the water inlet pipe 1 54 and the connecting pipe 52. As the quick-setting box 29 is inside, the quick-setting agent powder mixed liquid will be The liquid level rises, which can fill the quick-setting box 29 and trigger the liquid level sensor 526. The control end drives the electric telescopic rod 216 to rise, and drives the connecting plate 217, the connecting rod 218 and the sealing plate 219 to rise, and releases the blockage of the water outlet 214. At this time, the coagulant powder mixture inside the connecting plate 213 will be evenly spread on the fixed mesh plate 211 through each water outlet hole 214, and spread on the concrete between the fixed formwork 13 and the movable formwork 15 through the fixed mesh plate 211 and the geotextile 210, so as to accelerate the initial solidification of the concrete, accelerate the loss of fluidity of the concrete, and quickly set it.

[0076] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0077] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A method for preparing a spiral staircase prefabricated part, which is applied to a prefabrication device, characterized in that: The preparation process is as follows: S1: Lay a steel frame inside the mold assembly (1), rotate the mold assembly (1) vertically, and lower the actuator assembly (2); S2: Using concrete pouring equipment, concrete is poured into the interior of the mold assembly (1) through the execution component (2). As the height of the concrete in the mold assembly (1) increases, the height of the concrete reaches the interior of the height determination component (3) and triggers the height determination component (3). At this time, the interior of the mold assembly (1) will be filled; S3: moving the pouring box (25) and the straight flat screen (26), moving the straight flat screen (26) to the top of the mold assembly (1), removing the excess concrete above the mold assembly (1) and moving it to the discharge box (215), so that the height determination assembly (3) abuts against the control valve assembly (4), and releasing the sealing of the inside of the discharge box (215) by the control valve assembly (4), while the concrete delivery pump pumps out the concrete inside the pouring box (25) through the control valve assembly (4); S4: while the quick-setting box (29) is moving, the mixing assembly (5) is lowered to place the quick-setting agent, and when the quick-setting box (29) is moved to the top of the mold assembly (1), hot water is transported into the mixing assembly (5) by a water pump and fully mixed with the quick-setting agent in the mixing assembly (5); S5: As the water level inside the mixing assembly (5) rises, the hot water mixed with the quick-setting agent flows into the quick-setting box (29) and is evenly sprinkled on the concrete inside the mold assembly (1) through the quick-setting box (29), thereby accelerating the initial solidification of the concrete.

2. The method for preparing a spiral staircase prefabricated component according to claim 1, characterized in that: The prefabrication equipment comprises a mold component (1), an execution component (2), a height determination component (3), a valve control component (4) and a mixing component (5); The execution component (2) is arranged on the mold component (1), and the height determination component (3), the valve control component (4) and the mixing component (5) are respectively arranged on the mold component (1); The mold assembly (1) comprises a base (11), the movable seat (12) is movably mounted on the base (11) and driven to rotate by a motor, the movable seat (12) is divided into two parts, a support and a bottom plate, and the support is driven by the motor, the bottom plate is mounted on the support by bolts, a fixed template (13) is fixedly mounted on the bottom plate of the movable seat (12), a hydraulic cylinder (14) is mounted on one side of the support of the movable seat (12), an output end of the hydraulic cylinder (14) is connected to a movable template (15) located on the bottom plate of the movable seat (12) by bolts, and the movable template (15) faces the fixed template (13); The actuator assembly (2) comprises a mounting frame (21), the mounting frame (21) being mounted on a base (11), a pneumatic cylinder (22) being mounted on the mounting frame (21), an output end of the pneumatic cylinder (22) being connected to a limited position fixing frame (23), sliders (24) being slidably mounted below both sides of the limited position fixing frame (23), an inner side of the slider (24) being connected to a pouring box (25), one side of the pouring box (25) being connected to a quick-setting box (29), an electric telescopic rod (212) being mounted on one side of the limited position fixing frame (23) on the same side as the quick-setting box (29), an output end of the electric telescopic rod (212) being connected to the quick-setting box (29), and a discharge box (215) located on the other side of the pouring box (25) being connected to one side of the bottom of the limited position fixing frame (23).

3. The method for preparing a spiral staircase prefabricated component according to claim 2, characterized in that: A straight flat mesh plate (26) is installed above the inside of the pouring box (25), a feed port (27) having the same shape and size as the gap between the fixed template (13) and the movable template (15) is opened below the inside of the pouring box (25), a guide plate (28) located between the feed port (27) and the straight flat mesh plate (26) is installed inside the pouring box (25), a connecting plate 1 (213) is installed inside the quick-setting box (29), a plurality of water outlet holes (214) are opened inside the connecting plate 1 (213), and the inside of the quick-setting box (29) A geotextile (210) is installed below the quick-setting box (29), a fixed mesh plate (211) located on the geotextile (210) is installed inside the quick-setting box (29), an electric telescopic rod (216) is installed on the top of the quick-setting box (29), the output end of the electric telescopic rod (216) is connected to a connecting plate (217), the two sides of the bottom of the connecting plate (217) are connected to connecting rods (218), the bottom end of the connecting rod (218) extends to the inside of the quick-setting box (29) and is connected to a sealing plate (219) that can close the water outlet (214).

4. The method for preparing a spiral staircase prefabricated component according to claim 2, characterized in that: The height determination component (3) comprises a determination box (31), the determination box (31) being mounted on the filling box (25), a feed port being provided at the lower side of the determination box (31) facing the inside of the filling box (25), a piston rod (32) being sleeved inside the determination box (31), the top end of the piston rod (32) extending to the top of the determination box (31), a connecting frame (33) being mounted on the top of the determination box (31), a pressure sensor (34) being mounted inside the connecting frame (33) and the pressure sensor (34) being in contact with the top end of the piston rod (32), a piston block (36) being sleeved inside the determination box (31) and being located below the piston rod (32), the top of the piston block (36) being connected to the piston rod (32) and the pressure sensor (34) being in contact with the top end of the piston rod (32). A round rod (37) is provided, the top end of the round rod (37) passes through the piston rod (32) and the connecting frame (33) and extends to the top of the connecting frame (33) and is connected to a slope block (38); an external movable sleeve of the round rod (37) is provided with a connecting seat (39) located on the connecting frame (33); an outer surface movable sleeve of the piston rod (32) is provided with a spring 1 (35); one end of the spring 1 (35) is connected to the piston rod (32), and the other end of the spring 1 (35) is connected to a judgment box (31); an external fixed sleeve of the round rod (37) is provided with a spring 2 (310); one end of the spring 2 (310) is connected to the slope block (38), and the other end of the spring 2 (310) is connected to the connecting seat (39).

5. The method for preparing a spiral staircase prefabricated component according to claim 2, characterized in that: The control valve assembly (4) includes a feed extraction pipe (41), and the feed extraction pipe (41) is fixedly connected to the other side of the discharge box (215). The left side of the discharge box (215) is movably sleeved with two moving rods (42), and the top of the two moving rods (42) is provided with a trapezoidal block (43), and the bottom of the two moving rods (42) is connected with a clamping plate (45), and the clamping plate (45) is clamped in the inside of the feed extraction pipe (41) and can close the feed extraction pipe (41). The outside of the moving rod (42) is sleeved with a tension spring (44), one end of the tension spring (44) is connected to the trapezoidal block (43), and the other end of the tension spring (44) is connected to the discharge box (215).

6. The method for preparing a spiral staircase prefabricated component according to claim 2, characterized in that: The mixing assembly (5) comprises a mixing box (51), the mixing box (51) is fixedly mounted on a quick-setting box (29), a bending plate (53) is mounted inside the mixing box (51), a water inlet pipe (55) is fixedly connected to the right side of the top of the mixing box (51), a connecting pipe (52) is connected to the bottom of the mixing box (51), the other end of the connecting pipe (52) is connected to the quick-setting box (29), a water inlet pipe (54) is opened inside the mixing box (51) and is located on the left side of the bending plate (53), a liquid level sensor (526) is mounted on the top of the quick-setting box (29), and the bottom of the liquid level sensor (526) extends to the inside of the quick-setting box (29).

7. The method for preparing a spiral staircase prefabricated component according to claim 6, characterized in that: The top of the mixing box (51) is fixedly connected to a material holding tank (56), a fixed cylinder (57) is fixedly installed inside the material holding tank (56), and four discharge holes (511) arranged in a surrounding manner are opened at the bottom of the fixed cylinder (57), and a support frame (58) is fixedly installed on the top of the material holding tank (56), and a stirring rod (59) is movably installed inside the support frame (58) and the bottom end of the stirring rod (59) extends to the inside of the fixed cylinder (57), and a gear (510) is fixedly sleeved on the top of the outer surface of the stirring rod (59).

8. The method for preparing a spiral staircase prefabricated component according to claim 7, characterized in that: The material holding tank (56) is internally movably sleeved with four surrounding movable plates (516), and the movable plates (516) can close the material discharge hole (511). Both sides of the movable plates (516) are connected with moving blocks (517). The movable blocks (517) are internally movably sleeved with a fixed rod (518), and the other end of the fixed rod (518) is connected to the material holding tank (56). The fixed rod (518) is externally sleeved with a second tension spring (519), and one end of the second tension spring (519) is connected to the material holding tank (56), and the other end of the second tension spring (519) is connected to the moving block (517). The material holding tank (56) is externally fixedly sleeved with two fixed plates (512) located above and below the movable plates (516), and the two fixed plates (512) are A movable ring (513) is movably installed between the movable ring (513), and four circumferentially arranged protrusions (514) are fixedly connected inside the movable ring (513), and the protrusions (514) are abutted against the movable plate (516). One side of the movable ring (513) is connected to a push plate (515), and one side of the fixed disk (512) is connected to a fixed block (530) that can abut against the push plate (515). One side of the fixed disk (512) is connected to a mounting block (529) located on the other side of the push plate (515), and the other side of the push plate (515) is connected to a limiting rod (527), and the other end of the limiting rod (527) passes through the mounting block (529), and the outer portion of the limiting rod (527) is provided with an arc spring (528) located between the mounting block (529) and the push plate (515).

9. The method for preparing a spiral staircase prefabricated component according to claim 8, characterized in that: Two fixed plates (520) are connected to one side of the position-limiting fixed frame (23) facing the material tank (56), a mounting rod (521) is connected between the two fixed plates (520), a movable frame (523) is sleeved on the outside of the mounting rod (521), a spring three (522) is sleeved on the outside of the mounting rod (521), one side of the spring three (522) is connected to the movable frame (523), and the other side of the spring three (522) is connected to the fixed plate (520), one side of the movable frame (523) is connected to a rack (524) that can mesh with the gear (510), and the bottom of the movable frame (523) is connected to an extrusion plate (525) that can contact the push plate (515).

10. A prefabricated spiral staircase, characterized in that: The prefabricated component is adapted to the gap configuration between the fixed formwork (13) and the movable formwork (15) in claim 2, and the prefabricated component is cast by concrete and has a set of steel bars inside; the prefabricated component is used for assembling a prefabricated spiral staircase.

Images