CN111015910A

CN111015910A - Prefabricated staircase mould

Info

Publication number: CN111015910A
Application number: CN201911391141.XA
Authority: CN
Inventors: 孟凡龙; 王学宇; 祁文; 刘宏基
Original assignee: Inner Mongolia Zhongduo Yuanda Construction Industry Co Ltd
Current assignee: Xingtai Construction Group Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-04-17

Abstract

The prefabricated staircase mold comprises a base and side molds respectively positioned at two sides of the base, wherein a plurality of step pieces are arranged between the side molds at the two sides, and the step pieces are sequentially detachably connected and can move up and down to adjust the relative height between the adjacent step pieces; each piece of marking time includes the horizontal part and first vertical portion, the vertical portion of second with the both sides of horizontal part difference vertical connection, be equipped with two at least convex support frames between first vertical portion and the horizontal part, each the support frame is with the base butt. According to the invention, the stepping pieces rotate on the base, so that the relative height between two adjacent stepping pieces is adjusted, and the height of the prefabricated staircase is adjusted; and because the stepping pieces are detachably connected, the number of the stepping pieces can be installed according to the requirement of the prefabricated staircase, and the length of the whole prefabricated staircase is adjusted.

Description

Prefabricated staircase mould

Technical Field

The invention belongs to a mould of a precast concrete component, and particularly relates to a mould of a precast stair.

Background

With the development of the construction industry, the assembly type building is widely accepted by people. The fabricated building is a building which is formed by transferring a large amount of field operation work in the traditional construction mode to a factory, processing and manufacturing building components and accessories (such as floor slabs, wall slabs, stairs, balconies and the like) in the factory, transporting the components and accessories to a building construction site, and assembling and installing the components and the accessories on the site in a reliable connection mode.

The stair is an important component in the building, and a prefabricated stair mold is required to be used when the prefabricated stair is produced. The stair molds used in the factory at present are mainly divided into two types, one type is a conventional stair mold, the stair molds can only produce stairs with single specification, molds need to be redesigned and processed for different projects, material waste is serious, and time, labor and financial resources are large; the second type is a horizontal adjustable stair mold, which can adjust the width of a stair or the height of a stair step, but the mold is complex in use of an adjusting mechanism, the weight of the mold is generally 4 times that of a conventional mold, and the production cost is high.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the defects are overcome, and the prefabricated stair mold capable of adjusting parameters of the stair mold is simple in structure and low in production cost.

The technical scheme adopted by the invention is as follows: the prefabricated staircase mold comprises a base and side molds respectively positioned at two sides of the base, wherein a plurality of step pieces are arranged between the side molds at the two sides, and the step pieces are sequentially detachably connected and can move up and down to adjust the relative height between the adjacent step pieces; each piece of marking time includes the horizontal part and first vertical portion, the vertical portion of second with the both sides of horizontal part difference vertical connection, be equipped with two at least convex support frames between first vertical portion and the horizontal part, each the support frame is with the base butt.

In the scheme, the treading pieces rotate on the base, so that the relative height between every two adjacent treading pieces is adjusted, and the height of the prefabricated staircase is adjusted; and because the stepping pieces are detachably connected, the number of the stepping pieces can be installed according to the requirement of the prefabricated staircase, and the length of the whole prefabricated staircase is adjusted.

Preferably, a plurality of pieces of marking time can dismantle the connection in proper order and be: the second vertical part of the front stepping piece in the two adjacent stepping pieces is detachably connected with the first vertical part of the rear stepping piece.

Through the arrangement, the connection mode of the forming surfaces of the adjacent two stepping pieces and the surface fitting is realized, the matching is tight, and the quality of the stair after demoulding is ensured.

Preferably, the length of the second vertical portion is smaller than that of the first vertical portion; is convenient for placing the stepping piece.

Preferably, the first vertical part is provided with a first through hole, the second vertical part is provided with a second through hole which is opposite to the first through hole and is in a strip shape, and the first bolt penetrates through the first through hole and the second through hole of the two adjacent stepping pieces to fixedly connect the two adjacent stepping pieces together.

The relative height between two adjacent stepping pieces can be adjusted by moving the position of the first bolt in the second through hole.

Preferably, the both ends of base are equipped with upper mounting plate, lower platform respectively, upper mounting plate, lower platform all can dismantle with the piece of marking time and be connected, and can reciprocate for the piece of marking time.

Through setting up upper ledge, lower platform, can design the width of prefabricated staircase bottom and top platform as required to realize the installation of stair.

Preferably, an upper cover plate and a lower cover plate are respectively arranged on the upper platform and the lower platform, and platform top plates capable of moving along the direction close to the stepping piece are respectively arranged between the upper platform and the upper cover plate and between the lower platform and the lower cover plate.

In the above scheme, only the top plate of the platform needs to be moved, so that the widths of the upper platform and the lower platform can be changed, and the prefabricated staircase and other facilities can be conveniently installed and butted.

Preferably, the height of the top of the platform is adjustable; to individually adjust the thickness of the prefabricated staircase bottom and top landings.

Preferably, both sides of the upper platform are provided with platform baffles, the platform baffles are connected with the side molds through bolts and can move along the length direction of the side molds, and the two sides of the upper cover plate are respectively placed on the platform baffles.

Preferably, telescopic supporting rods are arranged on two sides of the base, the side molds are arranged on the supporting rods, and the height of the side molds relative to the base is adjusted through the supporting rods.

Through the arrangement, the whole thickness of the prefabricated staircase can be adjusted according to the requirement.

Preferably, the top of the supporting rod is connected with a supporting block, and a groove for placing the side die is formed on one side of the supporting block and the side face of the base.

The invention has the beneficial effects that: the prefabricated staircase mould can complete angle adjustment through the support frame, so that the height of the prefabricated staircase is adjusted; the supporting rod adopts a rotary lifting type tool, and the upper and lower positions of the side molds can be adjusted, so that the requirements of different stairs on the thickness are met; the connection mode of surface-to-surface fitting is adopted between the step pieces of the stair mold, so that the close fitting of a matching room is ensured, and the quality of the stair after demolding is further ensured; the stair mold adjusting device is simple and low in production cost.

Drawings

FIG. 1 is a schematic view of the overall structure of the prefabricated staircase mold of the present invention;

FIG. 2 is a schematic view of the protruding internal structure of the prefabricated staircase mold of the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a schematic view of the connection between adjacent tread members in the prefabricated staircase mold according to the present invention;

FIG. 5 is a schematic structural view of the tread members of the prefabricated staircase mold according to the present invention;

FIG. 6 is a side view of the tread element of FIG. 5;

fig. 7 is a bottom view of the tread element of fig. 5.

Detailed Description

The invention is further illustrated with reference to the following figures and examples.

As shown in fig. 1 to 7, the prefabricated staircase mold comprises a base 1, wherein a plurality of step pieces 3 are placed on the base 1, two ends of each step piece 3 are respectively abutted against side molds 2 on two sides of the base 1, each step piece 3 comprises a horizontal portion 33 and a first vertical portion 31 and a second vertical portion 32 which are respectively positioned on two side surfaces of the horizontal portion 33, the first vertical portion 31 and the second vertical portion 32 are both perpendicular to the horizontal portion 33, and at least two circular arc-shaped support frames 4 are arranged between the first vertical portion 31 and the horizontal portion 33; the first vertical portion 31 has a first through hole 311, and the second vertical portion 32 has a second through hole 321.

The connection relationship of two adjacent step members is shown in fig. 4, the first vertical part 31 of the first step member and the second vertical part 31 of the second step member are connected together through the first bolt 5, when the height of the stair needs to be adjusted, the first bolt 5 is unscrewed, because the second through hole 321 is an elongated through hole, when the second through hole 321 moves up and down relative to the first through hole 311, the supporting frame 4 rotates on the base 1 along with the second through hole 321, at the same time, the area where the second vertical portion 32 and the first vertical portion 31 overlap increases or decreases, so that the height of the exposed portion of the first vertical portion 31 is reduced or increased, and then the first bolt 5 is tightened, can reach the purpose of the height of adjustment prefabricated staircase, consequently, the piece of marking time can be realized marking time the dismantled connection between the piece through the structure setting of first through-hole 311, second through-hole 321 to two adjacent, also can adjust prefabricated staircase's height.

As shown in fig. 1 and 2, in this embodiment, an upper platform 6 and a lower platform 7 are respectively arranged at two ends of a base 1, and are used as the bottom and the top of a prefabricated staircase, an upper cover plate 61 and a lower cover plate 71 are respectively arranged above the upper platform 6 and the lower platform 7, a platform top plate 8 is respectively arranged between the upper platform 6 and the upper cover plate 61, and between the lower platform 7 and the lower cover plate 71, the platform top 8 is respectively arranged perpendicular to the

platforms

6 and 7, and the widths of the bottom and the top of the prefabricated staircase can be adjusted by moving the platform top 8 back and forth in the direction of a stepping member 3; in addition, the height of the landing deck 8 is also adjustable, so that the distance between the upper landing 6 and the upper deck 61 and between the lower landing 7 and the lower deck 71 is adjusted, thereby adjusting the thickness of the bottom and top of the prefabricated staircase.

Specifically, upper cover plate 61 is placed on platform baffle 9 of the both sides of upper platform 6, and this platform baffle 9 passes through bolted connection with the side form 2, and platform baffle 9 can move along the length direction of side form 2, and when the height of adjustment platform roof 8, platform baffle 9 moves about on side form 2, and upper cover plate 61 translates thereupon, can adjust the distance between upper platform 6 and the upper cover plate 61.

Wherein, the upper platform 6 and the lower platform 7 are both detachably connected with the stepping member 3, one side of the upper platform 6 is provided with a third vertical part which is matched and connected with the first vertical part 31 of the stepping member 3, and the structure of the third vertical part is the same as that of the second vertical part 32 of the stepping member 3; one side of the lower platform 7 is provided with a fourth vertical part which is matched and connected with the second vertical part 32 of the stepping piece 3, and the structure of the fourth vertical part is the same as that of the first vertical part 31 of the stepping piece 3, so that the height of each stepping piece 3 between the upper platform 6 and the lower platform 7 can be adjusted.

In the invention, the connection modes of surface-to-surface fitting and fastening through the first bolt 5 are adopted between the first vertical part 31 of the previous step piece and the second vertical part 32 of the next step piece and between the step pieces and the upper platform and the lower platform.

As shown in fig. 1 to 3, in the present embodiment, the heights of the side molds 2 relative to the base 1 can be adjusted by the rotary lifting support rods 10.

The method specifically comprises the following steps: two sides of the base 1 are provided with rotary lifting type support rods 10, the top of each support rod 10 is provided with a support block 11, the support blocks 11 are step-shaped, the right lower parts of the support blocks 11 are abutted against the base 1, and a groove 12 capable of placing the side die 2 is formed between the left upper parts of the support blocks and the base 1; when the supporting rod stretches up and down, the lower part of the supporting block 11 moves up and down along the base 1, so that the movement is stable and reliable.

Claims

1. The prefabricated staircase mold is characterized by comprising a base (1) and side molds (2) respectively positioned on two sides of the base (1), wherein a plurality of stepping pieces (3) are arranged between the side molds (2) on the two sides, and the stepping pieces (3) are sequentially detachably connected and can move up and down to adjust the relative height between the adjacent stepping pieces; each step piece (3) comprises a horizontal part (33), and a first vertical part (31) and a second vertical part (32) which are respectively and vertically connected with the two sides of the horizontal part (33); at least two circular arc-shaped supporting frames (4) are arranged between the first vertical part (31) and the horizontal part (33), and each supporting frame (4) is abutted to the base (1).

2. The prefabricated staircase mold of claim 1, wherein the plurality of tread elements (3) are detachably connected in sequence as follows: the second vertical part (32) of the previous step piece in the two adjacent step pieces (3) is detachably connected with the first vertical part (31) of the next step piece.

3. The prefabricated staircase mold of claim 2, wherein the length of the second upright portion (32) is less than the length of the first upright portion (31).

4. The prefabricated staircase mold of claim 3, wherein the first vertical portion (31) of the tread member (3) is provided with a first through hole (311), the second vertical portion (32) is provided with a second through hole (321) opposite to the first through hole, and the first bolt (5) passes through the first through hole (311) and the second through hole (321) of two adjacent tread members (3) to fixedly connect the two adjacent tread members (3) together.

5. The prefabricated staircase die of claim 1, wherein the base (1) is provided at both ends thereof with an upper platform (6) and a lower platform (7), and the upper platform (6) and the lower platform (7) are detachably connected to the step member (3) and can move up and down relative to the step member (3).

6. The prefabricated staircase die of claim 5, wherein an upper cover plate (61) and a lower cover plate (71) are respectively arranged on the upper platform (6) and the lower platform (7), and platform top plates (8) capable of moving in the direction close to the tread members (3) are respectively arranged between the upper platform (6) and the upper cover plate (61) and between the lower platform (7) and the lower cover plate (71).

7. Prefabricated staircase mould according to claim 6, characterised in that the height of the landing top (8) is adjustable.

8. The prefabricated staircase die of claim 7, wherein the upper platform (6) is provided with platform baffles (9) at both sides thereof, the platform baffles are connected with the side dies (2) through bolts, the platform baffles (9) can move along the length direction of the side dies (2), and both sides of the upper cover plate (61) are respectively placed on the platform baffles (9).

9. Prefabricated staircase mould according to any of the claims 1 to 8, characterized in that the base (1) is provided with telescopic support bars (10) on both sides, and the side forms (2) are arranged on the support bars (10) and adjusted in height relative to the base (1) by the support bars (10).

10. The prefabricated staircase mould of claim 9, wherein a supporting block (11) is connected to the top of the supporting rod (10), and one side of the supporting block (11) and the side of the base (1) form a groove (12) for placing the side mould (2).