CN217621242U

CN217621242U - Stair prefab mould and stair prefab

Info

Publication number: CN217621242U
Application number: CN202221332711.5U
Authority: CN
Inventors: 潘佳伟; 王佳滨; 王龙飞; 章军; 徐瀚清; 魏鑫铮
Original assignee: Zhejiang Sanjie Construction Industrialization Co ltd
Current assignee: Zhejiang Sanjie Construction Industrialization Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-10-21
Anticipated expiration: 2032-05-25

Abstract

The utility model relates to a stair prefab mould and stair prefab relates to the technical field that stair were made, including the die block, the die block is stair form, and the die block both ends are provided with two end moulds respectively, lie in and slide through the subassembly level of sliding on the die block between two end moulds along die block width direction and be provided with two side moulds, two side moulds and two end moulds form a sealed chamber of pouring with the die block cooperation. This application removes two side forms through using the subassembly that slides and adjusts the interval between two side forms for distance between two side forms and the stair width adaptation that needs were made, and two side forms, two end moulds and die block cooperation form sealed chamber of pouring and carry out the shaping of pouring of stair, thereby satisfied the preparation requirement to the stair of different width.

Description

Stair prefab mould and stair prefab

Technical Field

The utility model belongs to the technical field of the technique that stair were made and specifically relates to a stair prefab mould and stair prefab is related to.

Background

In the traditional building industry, cast-in-place construction is generally adopted when the stairs are constructed, however, a series of steps such as mold making, reinforcement arrangement and the like are required to be carried out on site in the cast-in-place construction, the operation is complex, and the labor cost is high. In the modern building industry, therefore, stair preforms that have already been prefabricated and shaped are increasingly used for on-site assembly.

In the related technology, reference can be made to the chinese utility model patent with the grant publication number of 210791419U, which discloses a prefabricated concrete stair mold, comprising a general bottom plate, a bottom mold, a main side mold and a secondary side mold, wherein the bottom mold is connected to the general bottom plate, the main side mold is fixed on the bottom mold, one end of the main side mold close to the secondary side mold is stair-shaped, the secondary side mold is fixedly connected with the general bottom plate, one end of the main side mold far away from the secondary side mold is respectively fixed with a sliding support plate, the general bottom plate is provided with a sliding track, the bottom mold is in sliding connection with the sliding track, an inverted U-shaped groove is arranged in the bottom of the sliding support plate, sliding plates are arranged on two sides of the inverted U-shaped groove, both sides of the sliding track are provided with sliding chutes for installing the sliding plates, and the depth of the inverted U-shaped groove is greater than the height of the sliding track; the problem of have the rubble drop on the track of general bottom plate in the use, increase the frictional resistance between pulley support and the general bottom plate, hinder pulley support and slide to influence work efficiency is solved.

However, the mold can only manufacture the stairs with fixed width, and cannot meet the manufacturing requirements of the stairs with different widths.

SUMMERY OF THE UTILITY MODEL

In order to satisfy the manufacturing requirement to different width staircases, this application provides a stair prefab mould and stair prefab.

The application provides a stair prefab mould adopts following technical scheme:

the utility model provides a stair prefab mould, includes the die block, the die block is stair form, the die block both ends are provided with two end moulds respectively, are located two it is provided with two side forms, two to slide through the subassembly level of sliding along the die block width direction on the die block between the end mould the side form forms a sealed chamber of pouring with the die block cooperation with two end moulds.

Through adopting above-mentioned technical scheme, use the subassembly that slides to remove two side moulds and come to adjust the interval between two side moulds for distance and the stair width adaptation that needs were made between two side moulds, and two side moulds, two end moulds and die block cooperation form sealed pouring chamber and carry out the shaping of pouring of stair, thereby satisfied the preparation requirement to the stair of different width.

Optionally, the glide assembly comprises:

the moving plate is arranged on the side die, and an oblong hole is formed in the moving plate along the sliding direction of the side die;

and the fixing bolt is in threaded connection with the bottom die and is positioned in the oblong hole.

By adopting the technical scheme, the fixing bolt is screwed to be far away from the moving plate, the moving plate is moved to drive the side dies to move, the distance between the two side dies is adjusted by moving the side dies, and after the adjustment is completed, the fixing bolt is screwed to enable the head of the fixing bolt to be abutted against the moving plate to fix the position of the moving plate, so that the movement and the fixation of the position of the side dies are completed.

Optionally, two be provided with on the side form and be used for carrying out spacing subassembly between two side forms, spacing subassembly includes:

the two limiting plates are fixedly connected to the two side dies respectively;

the limiting rods are horizontally arranged on the two limiting plates in a sliding manner;

and the locking piece is used for locking the positions of the limiting rods on the two limiting plates.

When the stair is poured into the pouring cavity in a grouting mode, concrete grouting has large pressure on the side mold, the side mold can generate large pressure when the concrete vibrates, the position of the side mold is fixed only by the fixing bolt, fixing strength is not high, and the side mold can easily slide when the concrete pouring amount is large.

Through adopting above-mentioned technical scheme, the position control of two side moulds is accomplished the back, removes the gag lever post level and passes two limiting plates, locks the locking piece to relative displacement to between two side moulds is spacing through the gag lever post, has reduced the fixed strength of two side mould positions.

Optionally, the spiral lines are arranged on the surfaces of the two ends of the limiting rod, the locking piece is composed of two locking nuts, and the two locking nuts are respectively in threaded connection with the spiral lines at the two ends of the limiting rod and tightly abut against the limiting plate.

Through adopting above-mentioned technical scheme, twist and move two lock nut and break away from with the gag lever post to adjust the position of two side moulds, adjust the back, twist and move two lock nut and support tightly on two limiting plates, thereby accomplish the locking to the gag lever post position.

Optionally, a locking hole is formed in the limiting plate, the limiting rod penetrates through the locking hole, and an upper opening of the locking hole is communicated with the outside of the limiting plate.

Through adopting above-mentioned technical scheme, after the stair pouring shaping, twist and move lock nut and keep away from the limiting plate, remove the gag lever post and shift out from locking hole suitable for reading to need not to take off lock nut, then the level extracts the gag lever post and breaks away from with two limiting plates again, improved the convenience of taking out the gag lever post, improved work efficiency.

Optionally, a plurality of vertical rib plates are uniformly distributed on the side die.

Through adopting above-mentioned technical scheme, gusset fixed connection carries out vertical support to the side form on the side form to strengthen the overall structure intensity of side form, reduced the probability that the side form damaged under the concrete pressure effect.

Optionally, the side die is provided with a lifting lug which is convenient for hoisting the die.

By adopting the technical scheme, the lifting lugs are fixedly connected to the side dies, so that the whole stair prefabricated part can be conveniently lifted by lifting the side dies, and the convenience for lifting the die is improved.

Optionally, including stair prefab body upper segment, stair prefab body middle section and stair prefab body hypomere, stair prefab body upper segment and stair prefab body hypomere set up the both ends in stair prefab body middle section respectively, stair prefab body upper segment and stair prefab body hypomere are used for respectively with building structure's last terraced roof beam and lower terraced roof beam overlap joint, all offer the bar planting hole that is used for pegging graft embedded bar on stair prefab body upper segment and stair prefab body hypomere and the faying surface of last terraced roof beam and lower terraced roof beam.

Through adopting above-mentioned technical scheme, the removal stair prefab makes stair prefab body upper segment and stair prefab body hypomere carry out the overlap joint with last ladder roof beam and the lower ladder roof beam on the building structure respectively to with the embedded bar hole cover on the reinforcing bar of going up on ladder roof beam and lower ladder roof beam, thereby accomplish the assembly to the stair prefab, need not the cast-in-place stair, improved the installation effectiveness and the construction speed of stair.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the sliding assembly is used for moving the two side dies to adjust the distance between the two side dies, so that the distance between the two side dies is matched with the width of the stair to be manufactured, the two side dies, the two end dies and the bottom die are matched to form a sealed pouring cavity to perform pouring forming of the stair, and the manufacturing requirements on the stairs with different widths are met;

2. the movable plate is moved to drive the side molds to move by screwing the fixing bolts to be far away from the movable plate, the distance between the two side molds is adjusted by moving the side molds, and after the adjustment is finished, the fixing bolts are screwed to enable the heads of the fixing bolts to abut against the movable plate to fix the position of the movable plate, so that the movement and the fixation of the positions of the side molds are finished;

3. make stair prefab body upper segment and stair prefab body hypomere carry out the overlap joint with last ladder roof beam and the lower ladder roof beam on the building structure respectively through removing the stair prefab to go into the bar planting hole cover on pre-buried reinforcing bar on last ladder roof beam and lower ladder roof beam, thereby accomplish the assembly to the stair prefab, need not the cast in situ stair, improved the installation effectiveness and the construction speed of stair.

Drawings

Fig. 1 is a schematic perspective view of embodiment 1 of the present application;

FIG. 2 is an enlarged schematic view of section A of FIG. 1;

fig. 3 is a schematic perspective view of embodiment 2 of the present application.

Reference numerals: 1. bottom die; 11. end die; 12. side mould; 13. a rib plate; 14. pouring a cavity; 15. lifting lugs; 16. a circular hole; 17. planting tendon holes; 2. a slipping component; 21. moving the plate; 22. fixing the bolt; 23. an oblong hole; 3. a limiting component; 31. a limiting plate; 32. a limiting rod; 33. a locking member; 34. a locking hole; 4. the upper section of the stair prefabricated part body; 5. the middle section of the stair prefabricated part body; 6. the lower section of the stair prefabricated part body.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment 1 of the application discloses stair prefab mould. Referring to fig. 1, the stair preform mold comprises a bottom mold 1, two end molds 11 fixedly connected to side walls of two ends of the bottom mold 1, and two side molds 12 horizontally slidably disposed on the bottom mold 1 along a width direction of the bottom mold 1 through a sliding assembly 2.

Referring to fig. 1, the bottom mold 1 is stair-shaped. The bottom surfaces of the two side dies 12 are in a stair shape matched with the upper surface of the bottom die 1 and abut against the upper surface of the bottom die 1. Two ends of the side mold 12 are respectively abutted against two opposite side walls of the two end molds 11. A plurality of vertical rib plates 13 are uniformly and fixedly connected to the two opposite side walls of the two side dies 12 along the length direction. The two side dies 12, the two end dies 11 and the bottom die 1 are matched to form a pouring cavity 14 with an open upper opening.

Referring to fig. 1 and 2, the glide assembly 2 includes a moving plate 21 and a fixing bolt 22. The moving plate 21 is fixedly connected to the side walls of the two side dies 12 on the opposite sides, and an oblong hole 23 which vertically penetrates through the thickness of the moving plate 21 is formed in the upper surface of the moving plate 21 along the sliding direction of the side dies 12. The fixing bolt 22 is screwed on the upper surface of the bottom die 1 and is positioned in the oblong hole 23. When the position of the side die 12 needs to be fixed, the head of the fixing bolt 22 is screwed to abut against the upper surface of the moving plate 21, and the head of the fixing bolt 22 is matched with the upper surface of the bottom die 1 to clamp the moving plate 21.

Referring to fig. 1 and 2, the side dies 12 are provided with a limiting assembly 3 for limiting the distance between the two side dies 12, and the limiting assembly 3 includes two limiting plates 31, a limiting rod 32 and a locking piece 33. The two limit plates 31 are respectively and fixedly connected to the upper surfaces of the two side dies 12. Two opposite side walls of the two limit plates 31 are respectively provided with a locking hole 34 horizontally penetrating through the thickness of the limit plate 31, and the upper opening of the locking hole 34 is communicated with the outside of the limit plate 31. The limiting rod 32 horizontally penetrates through the two limiting plates 31, and the two ends of the limiting rod 32 horizontally penetrating through the two limiting plates 31 are provided with spiral lines on the surface.

Referring to fig. 2, the locking member 33 is used for locking the position of the limiting rod 32 on the locking hole 34, and the locking member 33 is a locking nut which is screwed on the spiral line and abuts against the side wall of the two limiting plates 31 on the opposite side.

Referring to fig. 2, a lifting lug 15 is vertically and fixedly connected to the upper surface of the side die 12, and a circular hole 16 horizontally penetrating through the thickness of the lifting lug 15 is formed in the side wall of the lifting lug 15, which is close to the limiting plate 31.

The working principle of the embodiment 1 of the application is as follows: the fixing bolt 22 is screwed to be away from the moving plate 21, the moving plate 21 drives the side dies 12 to move, the side dies 12 move to adjust the distance between the two side dies 12, so that the distance is matched with the width of a stair to be manufactured, and after the adjustment is completed, the fixing bolt 22 is screwed to abut against the upper surface of the moving plate 21. Meanwhile, the movable limiting rod 32 enters the locking holes 34 of the two limiting plates 31, and the locking nuts are screwed to abut against the limiting plates 31, so that the distance between the two side dies 12 is adjusted and fixed, and the requirement for manufacturing prefabricated parts of stairs with different width requirements is met.

This application embodiment 2 discloses a stair prefab, and this stair prefab is that the preparation of the stair prefab mould in this application embodiment 1 forms. Referring to fig. 3, the stair preform includes a stair preform body upper section 4, a stair preform body middle section 5, and a stair preform body lower section 6.

Referring to fig. 3, the upper section 4 of the stair prefabricated member body and the lower section 6 of the stair prefabricated member body are respectively integrally cast at two ends of the middle section 5 of the stair prefabricated member body. The lower surface of the upper section 4 of the stair prefabricated part body is lapped with the upper surface of an upper ladder beam of the building structure; the lower surface of the lower section 6 of the stair prefabricated part body is lapped with the upper surface of a lower ladder beam of a building structure. Vertical bar planting hole 17 has all been seted up on the lower surface of stair prefab body upper segment 4 and the lower surface of stair prefab body hypomere 6, and the reinforcing bar that goes up ladder roof beam and lower ladder roof beam top and vertical upwards wearing out is pegged graft with bar planting hole 17 and is cooperated on pre-buried last ladder roof beam and lower ladder roof beam.

The working principle of embodiment 2 of the application is as follows:

the prefabricated part of the movable stair makes the upper section 4 of the prefabricated part body of the movable stair and the lower section 6 of the prefabricated part body of the movable stair overlap with an upper stair beam and a lower stair beam on a building structure respectively, and the bar planting holes 17 are sleeved on steel bars pre-buried on the upper stair beam and the lower stair beam, so that the prefabricated part of the movable stair is assembled without pouring the stair on site, and the installation efficiency and the construction speed of the stair are improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A stair prefab mould which is characterized in that: including die block (1), die block (1) is stair-step form, die block (1) both ends are provided with two end mould (11) respectively, are located two it slides through subassembly (2) level of sliding to be provided with two side mould (12), two to follow die block (1) width direction on die block (1) between end mould (11) side mould (12) and two end mould (11) form one sealed chamber of pouring (14) with die block (1) cooperation.

2. A stair preform mold as claimed in claim 1 wherein: the glide assembly (2) comprises:

the moving plate (21) is arranged on the side die (12), and an oblong hole (23) is formed in the moving plate (21) along the sliding direction of the side die (12);

and the fixing bolt (22) is in threaded connection with the bottom die (1) and is positioned in the oblong hole (23).

3. A stair preform mold as claimed in claim 1 wherein: two be provided with on side form (12) and be used for carrying out spacing subassembly (3) to the interval between two side forms (12), spacing subassembly (3) include:

the two limiting plates (31), the two limiting plates (31) are respectively and fixedly connected to the two side dies (12);

the limiting rods (32), the limiting rods (32) are horizontally arranged on the two limiting plates (31) in a sliding manner;

the locking piece (33), the locking piece (33) is used for locking the position of gag lever post (32) on two spacing boards (31).

4. A stair preform mold as claimed in claim 3 wherein: the spiral lines are arranged on the surfaces of the two ends of the limiting rod (32), the locking piece (33) is two locking nuts, and the locking nuts are respectively in threaded connection with the spiral lines at the two ends of the limiting rod (32) and tightly abut against the limiting plate (31).

5. A stair preform mold as claimed in claim 3 wherein: the limiting plate (31) is provided with a locking hole (34), the limiting rod (32) penetrates through the locking hole (34), and the upper opening of the locking hole (34) is communicated with the outside of the limiting plate (31).

6. A stair preform mold as claimed in claim 1 wherein: and a plurality of vertical rib plates (13) are uniformly distributed on the side die (12).

7. A stair preform mold as claimed in claim 1 wherein: lifting lugs (15) convenient for lifting the die are arranged on the side die (12).

8. A stair preform made using the stair preform mold of claim 1, wherein: including stair prefab body upper segment (4), stair prefab body middle section (5) and stair prefab body hypomere (6), stair prefab body upper segment (4) and stair prefab body hypomere (6) set up respectively at the both ends of stair prefab body middle section (5), stair prefab body upper segment (4) and stair prefab body hypomere (6) are used for respectively with building structure's upper step roof beam and lower step roof beam overlap joint, all offer bar planting hole (17) that are used for pegging graft embedded reinforcement on stair prefab body upper segment (4) and stair prefab body hypomere (6) and the overlap joint face of upper step roof beam and lower step roof beam.