Prefabricated stair mold

Abstract

The utility model provides a prefabricated stair mould which comprises a metal stair mould body, a step side plate and a compaction plate, a plurality of electric hydraulic rods are longitudinally installed at the lower end of the metal stair mould body from left to right, and a plurality of metal push plates are movably embedded in the inner wall of the lower end of the metal stair mould body. A notch groove is formed in the lower side of the front end of the metal stair mold body, a step side plate is longitudinally clamped at the notch groove, and the design solves the problems that an original device is a horizontal type prefabricated stair mold, the step-shaped position of the mold and the step-shaped position of a prefabricated stair are in a tight fit state, and when mold pouring is completed and demolding needs to be conducted after curing, the mold is not prone to falling off. In order to solve the problems that in the prior art, the prefabricated stair width adjustable structure is designed, the width of a prefabricated stair can be adjusted, meanwhile, a multi-point demolding structure is adopted, multidirectional demolding operation can be conducted on the prefabricated stair, manual demolding is not needed, and rapid demolding operation can be conveniently conducted on the prefabricated stair which is poured and solidified.

Description

TECHNICAL FIELD

[0001] The utility model relates to a prefabricated stair mould belongs to stair mould equipment technical field. BACKGROUND

[0002] Stairs are used for the traffic connection between floors and when the height difference is large, and are also set in multi-storey and high-rise buildings with elevators and escalators as the main vertical traffic means. Although high-rise buildings use elevators as the main vertical traffic tool, stairs are still retained for escape in case of fire. With the development of prefabricated buildings, more and more projects use prefabricated components, and prefabricated stairs are one of them. Prefabricated stairs are usually cast into shape using prefabricated stair molds.

[0003] Publication No. CN217573358U discloses a prefabricated stair mold. The device sets a detachable partition in the interior of the mold body, which separates the pouring cavity to form several pouring sub-cavities. Pouring the several pouring sub-cavities can form several prefabricated stairs. Therefore, one prefabricated stair mold can pour and form several prefabricated stairs at the same time, improving the construction efficiency. However, the device is a horizontal prefabricated stair mold. The steps between the mold steps and the prefabricated stairs are in close contact. When the mold is poured and solidified, it is inconvenient to demold. Therefore, there is an urgent need for a prefabricated stair mold to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a prefabricated stair mold to solve the problems raised in the background art. The utility model designs a prefabricated stair width adjustable structure, which can adjust the width of the prefabricated stairs. At the same time, the multi-point demolding structure can demold the prefabricated stairs in multiple directions without manual demolding. This facilitates quick demolding of the prefabricated stairs after pouring and solidification.

[0005] In order to achieve the above object, the utility model is through the following technical scheme to realize: a prefabricated stair mould, including metal stair mould main part, step side plate and compaction plate, the metal stair mould main part lower extreme is installed with a plurality of electric hydraulic rod from left to right vertically, the metal stair mould main part lower extreme inner wall is movably embedded with a plurality of metal push plate, the metal stair mould main part front end downside is provided with the notch groove, the notch groove place is vertically clamped with step side plate, the metal stair mould main part left and right side lower extreme is fixed with electric push rod, two electric push rod movable ends are fixed with step side plate rear side left and right positions respectively, the step side plate rear end downside is horizontally welded with bottom moving plate, bottom moving plate is located in the metal stair mould main part inside lower end slidingly, the metal stair mould main part rear end is fixed with the inclined reinforcing rib obliquely, the metal stair mould main part rear end left and right sides are fixed with electric lifting rod vertically, two electric lifting rod movable ends are welded with bending strip plate, the compaction plate is horizontally located in the metal stair mould main part inside upper end, the compaction plate upper end right side is fixed with bending moving plate vertically.

[0006] Further, the metal stair mould main part lower end is welded with a plurality of metal supporting legs.

[0007] Further, the movable end of the plurality of electric hydraulic rods is connected with the plurality of metal push plates respectively.

[0008] Further, the lower end of the bottom moving plate is movably attached with the plurality of metal push plates.

[0009] Further, the upper end of the compaction plate is welded with the two bending strip plates respectively, and the upper end of the compaction plate is provided with two pouring openings.

[0010] Further, the rear side of the lower end of the bending moving plate is fixed with an indicating strip, the right side of the metal stair mould main part is provided with a scale rod vertically, and the indicating strip is located at the lower end of the front side of the scale rod.

[0011] The prefabricated stair mould of the utility model, because the metal stair mould main part, the electric hydraulic rod, the metal push plate, the step side plate, the bottom moving plate, the electric push rod, the electric lifting rod, the bending strip plate and the compaction plate are added, and through our design improvement and actual use, it is shown that the device has reasonable structure, good practicability, and a prefabricated stair width adjustable structure is designed, the width of the prefabricated stair can be adjusted, a multi-point demoulding structure is used, the prefabricated stair can be demoulded in multiple directions, manual demoulding is not needed, the prefabricated stair after pouring and solidification can be quickly demoulded, which is convenient, time-saving and labor-saving. BRIEF DESCRIPTION OF DRAWINGS

[0012] Other features, objects, and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments thereof, read in conjunction with the accompanying drawings:

[0013] Figure 1 is a whole structure perspective view of the prefabricated stair mold of the present application;

[0014] Figure 2 is an internal view of the prefabricated stair mold of the present application;

[0015] Figure 3 is a bottom moving plate perspective view of the prefabricated stair mold of the present application;

[0016] Figure 4 is a bending moving plate perspective view of the prefabricated stair mold of the present application.

[0017] In the figure: 1-metal leg, 2-metal stair mold main body, 3-electric hydraulic rod, 4-metal push plate, 5-slot, 6-step side plate, 7-bottom moving plate, 8-electric push rod, 9-electric lifting rod, 10-bending strip plate, 11-compaction plate, 12-injection port, 13-inclined reinforcing rib, 14-bending moving plate, 15-indication strip, 16-scale rod. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application is further described below in conjunction with specific embodiments.

[0019] Please refer to Figures 1-4The utility model provides a technical scheme: a prefabricated stair mould, including metal stair mould main part 2, step side plate 6 and compaction plate 11, a plurality of electric hydraulic rods 3 are installed to metal stair mould main part 2 lower extreme from left to right longitudinally, a plurality of metal push plate 4 are movably embedded in the inner wall of metal stair mould main part 2 lower extreme, the notch groove 5 of metal stair mould main part 2 front end downside is provided with step side plate 6 and is longitudinally clamped, and the lower end of metal stair mould main part 2 left and right sides is fixed with electric push rod 8, and the movable end of two electric push rods 8 is fixed with step side plate 6 rear side left and right positions respectively, and the lower end of step side plate 6 rear end is horizontally welded with bottom moving plate 7, and bottom moving plate 7 is slid in the inside lower end of metal stair mould main part 2, and the rear end of metal stair mould main part 2 is fixed with inclined reinforcing rib 13, and the left and right sides of the rear end of metal stair mould main part 2 are longitudinally fixed with electric lifting rod 9, and the movable end of two electric lifting rods 9 is welded with bending strip plate 10, and compaction plate 11 is horizontally located in the inside upper end of metal stair mould main part 2, and the upper end right side of compaction plate 11 is longitudinally fixed with bending moving plate 14, and the design solves the original device for horizontal prefabricated stair mould, and the step-shaped place between the mould step and the prefabricated stair is in close contact state, and when the mould is poured and solidified, it is inconvenient to demould.

[0020] As the first embodiment of the utility model: metal stair mould main part 2 lower extreme is welded with a plurality of metal legs 1, and the plurality of metal legs 1 are added to assist the support of the lower end of metal stair mould main part 2. The movable end of a plurality of electric hydraulic rods 3 is connected with a plurality of metal push plate 4 respectively, and the plurality of electric hydraulic rods 3, two electric push rods 8 and two electric lifting rods 9 are connected with the outside PID controller control through wires, and the circuit control principle is not described in detail because it is the existing mature technology and product.

[0021] The lower end of bottom moving plate 7 is movably attached with a plurality of metal push plate 4, the left and right sides of the upper end of compaction plate 11 are welded with two bending strip plates 10 respectively, two pouring openings 12 are formed in the upper end of compaction plate 11, when the two bending strip plates 10 are driven to move upward, the compaction plate 11 can be moved out of the metal stair mould main part 2, so that the prefabricated stair in the metal stair mould main part 2 can be moved out of the device. The rear side of the lower end of bending moving plate 14 is fixed with an indicating strip 15, a scale rod 16 is longitudinally arranged on the right side of metal stair mould main part 2, the indicating strip 15 is located at the lower end of the front side of scale rod 16, when the bending moving plate 14 is driven to move upward, the indicating strip 15 can be driven to move upward at the lower end of the front side of scale rod 16, so that the outside personnel can know the prefabricated stair width data according to the data of indicating scale rod 16 indicated by indicating strip 15 and the sum of the initial distance between compaction plate 11 and bottom moving plate 7.

[0022] As the second embodiment of the utility model: when need to adjust prefabricated stair width, through outside PID controller control two electric lifting rod 9 activity end upward movement, and then can through two bending strip plate 10 drive compaction plate 11 in metal stair mould main part 2 inside upshift, in this process, the bending mobile plate 14 that adds is driven to move upward along with, make that indicating strip 15 can move upward in the front side lower end of scale rod 16, and outside personnel can know prefabricated stair width data according to indicating scale rod 16 data that indicating strip 15 indicates and compaction plate 11 from bottom moving plate 7 initial distance sum, after adjusting compaction plate 11 height, through two injection port 12 can be between metal stair mould main part 2 and compaction plate 11 with stair mixed raw materials pouring, after metal stair mould main part 2 and compaction plate 11 between fill up stair mixed raw materials, and stair prefabricated after forming, start two electric lifting rod 9, two electric lifting rod 9 activity end can drive compaction plate 11 through two bending strip plate 10 and move upward, until compaction plate 11 and prefabricated stair upper end surface separate, then control two electric push rod 8 forward, two electric push rod 8 can drive step side plate 6 and bottom moving plate 7 forward, make bottom moving plate 7 from prefabricated stair downward direction forward (note: because prefabricated stair and metal stair mould main part 2 inner side wall closely adhere, thus prefabricated stair will not fall phenomenon because of bottom moving plate 7's forward movement), finally start multiple electric hydraulic rod 3, multiple electric hydraulic rod 3 activity end will stretch out upward, and drive multiple metal push plate 4 upward, multiple metal push plate 4 will drive prefabricated stair in metal stair mould main part 2 upward, until prefabricated stair from metal stair mould main part 2 completely removes can complete quick stripping operation.

[0023] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above-described exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0024] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A prefabricated stair mould comprising a metal stair mould body (2), a step side plate (6) and a compacting plate (11), characterized in that: The lower end of the metal stair mold body (2) is longitudinally provided with a plurality of electric hydraulic rods (3) from left to right, a plurality of metal push plates (4) are movably embedded in the inner wall of the lower end of the metal stair mold body (2), an opening slot (5) is formed in the lower side of the front end of the metal stair mold body (2), and a step side plate (6) is longitudinally clamped at the opening slot (5). The left and right lower ends of the metal stair mold body (2) are fixedly provided with electric push rods (8), the movable ends of the two electric push rods (8) are fixed to the left and right positions of the rear side of the step side plate (6), a bottom moving plate (7) is horizontally welded to the lower rear end of the step side plate (6), the bottom moving plate (7) is slidably arranged at the lower end of the metal stair mold body (2), an inclined reinforcing rib (13) is obliquely fixed to the rear end of the metal stair mold body (2), electric lifting rods (9) are longitudinally fixed to the left and right sides of the rear end of the metal stair mold body (2), and the movable ends of the two electric lifting rods (9) are welded with bent strip plates (10), a compacting plate (11) is horizontally arranged at the upper end of the metal stair mold body (2), and a bent moving plate (14) is longitudinally fixed to the right side of the upper end of the compacting plate (11).

2. A pre-fabricated stair mould according to claim 1, characterised in that: The lower end of the metal stair mold body (2) is welded with a plurality of metal legs (1).

3. A pre-fabricated stair mould according to claim 1, characterised in that: The movable ends of the plurality of electric hydraulic rods (3) are connected with the plurality of metal push plates (4) respectively.

4. A pre-fabricated stair mould according to claim 1, characterised in that: The lower end of the bottom moving plate (7) is movably attached to the plurality of metal push plates (4).

5. A pre-fabricated stair mould according to claim 1, characterised in that: The upper end of the compacting plate (11) is welded with two bent strip plates (10) respectively, and two material injection openings (12) are formed in the upper end of the compacting plate (11).

6. A pre-fabricated stair mould according to claim 1, characterised in that: An indicating strip (15) is fixed to the rear side of the lower end of the bent moving plate (14), a scale rod (16) is longitudinally arranged on the right side of the metal stair mold body (2), and the indicating strip (15) is located at the lower front end of the scale rod (16).

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