CN115416142A - Prefabricated room beam pouring mold - Google Patents

Abstract

The invention discloses a prefabricated house beam pouring mold, and relates to the technical field of house construction. The invention comprises a fixed frame, transverse plates and side plates, wherein the transverse plates are connected end to form a cylinder body, the two ends of the cylinder body are oppositely and parallelly provided with the side plates to form a sealed box body structure, the sealed box body structure is arranged in the fixed frame, the surface of each side plate is provided with a plurality of fixing holes in an array manner, and the side surface of each side plate is provided with a clamping mechanism, a driving disc, a driving chain and a driven chain; the clamping mechanisms are arranged on the fixing holes and are coaxial with the fixing holes; the clamping mechanism in the vertical direction is connected with a driving disc through a driven chain; the plurality of driving discs are connected through driving chains; a plurality of clamping blocks are arranged around the side plate. According to the invention, the length of the prefabricated house beam mold can be adjusted according to actual requirements by arranging the detachable prefabricated house beam casting mold, so that different house beam requirements are met; the adjustable clamping mechanism is arranged to clamp the reinforcing steel bars with different sizes, and customized requirements are met.

Description

Prefabricated room beam pouring mold

Technical Field

The invention belongs to the technical field of house construction, and particularly relates to a prefabricated house beam pouring mold.

Background

In a house building, concrete pouring is directly performed in a common construction mode, but the construction mode is often performed in large buildings such as shopping malls, supermarkets, residential buildings and the like, and the direct pouring mode used for some small buildings is high in cost; the problems of unstable house quality, long construction period and the like can occur when the house is directly built by using common building materials. Prefabricated building materials can just solve the problems; can use reinforced concrete structure through prefabricated building, can effectively improve the stability of building for the brick and tile structure, reduce the expense of direct pouring simultaneously, reduction of erection time.

Disclosure of Invention

The invention aims to provide a prefabricated house beam pouring mold which solves the existing problems.

In order to solve the technical problems, the invention is realized by the following technical scheme:

a prefabricated house beam pouring mold comprises a fixed frame, transverse plates and side plates, wherein the transverse plates are connected end to form a cylinder body, the side plates are arranged at two ends of the cylinder body in parallel relatively to form a sealed box body structure, and the sealed box body structure is arranged in the fixed frame;

a plurality of fixing holes are arrayed on the surface of the side plate, and a clamping mechanism, a driving disc, a driving chain and a driven chain are arranged on the side surface of the side plate; the clamping mechanisms are arranged on the fixing holes and are coaxial with the fixing holes, and the steel bars penetrate through the fixing holes and are clamped and fixed through the clamping mechanisms; the clamping mechanisms in the vertical direction are connected with a driving disc through a driven chain, the clamping mechanisms on one row and the driving disc on the row are linked and linked through the driven chain, and the clamping mechanisms on the row are driven to rotate through the driving disc, so that the reinforcing steel bars can be clamped; the driving discs are connected through the driving chains, and every two adjacent driving discs are connected through one driving chain, so that the driving discs can rotate in a linkage manner, and when force is applied to one of the driving discs to rotate the one of the driving discs, the other driving discs can be driven to rotate; and a plurality of clamping blocks are arranged around the side plate.

Furthermore, the clamping mechanism comprises a fixed seat and a rotating disc, wherein the fixed seat comprises a connecting seat, a rotating shell and a curtain block; the connecting seat is rotatably connected with the rotating shell, the connecting seat and the rotating shell are matched with each other to form a rotatable disc-shaped structure with an interlayer, and the plurality of curtain blocks are movably arranged between the connecting seat and the rotating shell;

the connecting seat is of an annular structure, a plurality of limiting grooves are formed in one side face of the connecting seat, the other side face of the connecting seat is connected with the side plate, the limiting grooves are connected end to form a regular hexagon, and sliding grooves are formed in the peripheral side face of the connecting seat;

the rotating shell is of a barrel-shaped structure, a perforation and a plurality of shifting grooves are formed in one surface of the rotating shell, the plurality of shifting grooves are circumferentially arrayed around the perforation, a sliding ring is arranged on the inner wall of the rotating shell, and the sliding ring is in rotating fit with the sliding groove;

the curtain blocks are in a regular triangle plate structure, and six curtain blocks are circumferentially arranged into a regular hexagon; the curtain block is provided with a shifting post penetrating through the curtain block, the shifting post is respectively in sliding fit with the sliding groove and the shifting groove, the rotating shell drives the shifting post arranged in the shifting groove through the shifting groove by rotating the rotating shell, so that the curtain block horizontally moves in the limiting groove, when the six curtain blocks all horizontally move along the limiting groove, the top point of the six curtain blocks connected with each other is also opened and closed, more specifically, when the shifting post is arranged in the middle of the limiting groove, a door combined by the six curtain blocks is closed, when the shifting post is farther away from the middle position of the limiting groove, the opening and closing area of the door combined by the six curtain blocks is larger, and meanwhile, in order to ensure the sliding effect of the curtain block, the shifting groove is of a kidney-shaped groove structure, so that the curtain block can also slide in the shifting groove when sliding on the limiting groove, and the limit of the shifting post is prevented from being blocked due to the shape of the shifting groove; meanwhile, in order to prevent the problem of unstable closing effect caused by angle deflection of the curtain block in the sliding process of the limiting groove, the shifting column arranged in the limiting groove is in a waist shape, so that the stability of the curtain block in the sliding process is improved.

Wherein, a plurality of rotary lugs are arranged around the rotary shell;

a plurality of inserting columns are arranged on one side face of the rotating disc, fixing bolts are arranged on the inserting columns, the rotating disc is arranged on the rotating shell through the inserting columns, the inserting columns are inserted into the rotating lugs, and the fixing bolts are used for locking the distance between the rotating disc and the fixing seat; the rotary disk cooperates with driven chain toothed chain on the one hand, is driven rotatoryly by driven chain, and on the other hand also will insert the reinforcing bar spacing that the fixing base was interior and worn out.

Furthermore, the rotating disc and the driving discs are both of a chain wheel structure, the rotating discs are in rotary connection with one driving disc through driven chains in the vertical direction, the driving discs are of a multilayer chain wheel structure, two adjacent driving discs are connected through driving chains, the driving discs are set to be of a multilayer structure, the driving chains and the driven chains are respectively rotated on different fluted discs, meanwhile, in order to enable the driving discs to synchronously rotate, one or more driving chains are used for connecting the driving discs, if one driving chain is used, the driving discs are set to be two layers, if one driving chain is arranged between every two driving discs, the driving discs are set to be three layers, the radiuses and the tooth numbers of the two layers connected by the driving chains are the same, and meanwhile, the two layers of the two driving chains are respectively connected with the two adjacent driving discs.

Furthermore, a plurality of auxiliary discs are arranged on the side plates and are of a chain wheel structure, the auxiliary discs are arranged between two adjacent rotating discs or two adjacent driving discs and are respectively connected with the driving chain and the driven chain, and the auxiliary discs clamp the driving chain and the driven chain to prevent the two chains from disengaging.

Furthermore, a rotating handle is arranged on one of the driving discs, a locking mechanism is arranged on the rotating handle, one driving disc is driven to rotate by the rotating handle, the other driving discs are driven by the one driving disc, and the rotating disc connected with the one driving disc is driven to rotate by the driving disc.

Further, the mount includes chassis and crossbearer, and two crossbearers are installed respectively at two terminal surfaces that the chassis is relative, and the crossbearer is "U" shape structure, and the internal surface of crossbearer is provided with a plurality of dogs, dog and the cooperation of fixture block joint, the both sides of chassis all are provided with the small opening, and the small opening is used for the concrete infiltration discharge, prevents that the concrete infiltration from resulting in the concrete water content of lower part too high, causes the quality problems that the room roof beam shaping was inconsistent aroused from top to bottom.

Further, two opposite side surfaces of the transverse plates are provided with wedge-shaped side strips, the other two opposite side surfaces of the transverse plates are provided with sealing strips, the slope of each wedge-shaped side strip is preferably 45 degrees, and the two transverse plates can be spliced at a right angle.

The invention has the following beneficial effects:

1. according to the invention, by arranging the detachable prefabricated house beam pouring mold, the length of the prefabricated house beam mold can be adjusted according to actual requirements, different house beam requirements are met, the construction period is shortened, and the house construction cost is reduced.

2. The adjustable clamping mechanism is arranged to clamp the steel bars with different sizes, so that the customization requirement is met.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a precast beam casting mold according to the present invention;

FIG. 2 is a schematic view of the side plate and the components mounted thereon;

FIG. 3 is a schematic structural view of the fixing frame of the present invention;

FIG. 4 is a side view of the mount of the present invention;

FIG. 5 isbase:Sub>A schematic view of the cross-sectional structure A-A in FIG. 4;

FIG. 6 is a schematic view of the structure of the horizontal plate of the present invention;

FIG. 7 is a side view of the cross plate of the present invention;

FIG. 8 is a schematic view of the side panel structure of the present invention;

FIG. 9 is a schematic view of a fixing base of the present invention;

FIG. 10 is a side view of the anchor block of the present invention;

FIG. 11 is a schematic view of the cross-sectional structure B-B in FIG. 10;

FIG. 12 is a schematic view of the cross-sectional structure C-C of FIG. 11;

FIG. 13 is a schematic view of a rotary disk structure of the present invention;

FIG. 14 is a schematic view of a drive plate of the present invention;

fig. 15 is a schematic view of the structure of the auxiliary plate of the present invention.

In the drawings, the reference numbers indicate the following list of parts:

1. a fixed mount; 2. a transverse plate; 3. a side plate; 4. a fixed seat; 5. rotating the disc; 6. a drive disc; 7. an auxiliary disc; 8. a drive chain; 9. a driven chain; 10. rotating the handle; 11. a chassis; 12. a cross frame; 13. a stopper; 14. a leak groove; 21. side strips; 31. a fixing hole; 32. a clamping block; 41. a connecting seat; 42. rotating the housing; 43. a curtain block; 421. a groove is poked; 422. rotating the lug; 431. shifting a column; 51. inserting a column; 52. and (6) fixing the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-15, the invention relates to a precast house beam pouring mold, which comprises a fixed frame 1, transverse plates 2 and side plates 3, wherein the transverse plates 2 are connected end to form a cylinder, the side plates 3 are arranged at two ends of the cylinder in parallel to form a sealed box structure, and the sealed box structure is arranged in the fixed frame 1;

as shown in fig. 2 and 8, a plurality of fixing holes 31 are arrayed on the surface of the side plate 3, and a clamping mechanism, a driving disc 6, a driving chain 8 and a driven chain 9 are mounted on the side surface of the side plate 3; the clamping mechanisms are arranged on the fixing holes 31 and are coaxial with the fixing holes 31, and the steel bars penetrate through the fixing holes 31 and are clamped and fixed through the clamping mechanisms; the clamping mechanism in the vertical direction is connected with one driving disc 6 through a driven chain 9, the clamping mechanisms on one row and the driving discs 6 on the row are linked and linked through the driven chain 9, and the clamping mechanisms on the row are driven to rotate through the driving discs 6 so as to clamp the reinforcing steel bars; the driving discs 6 are connected through the driving chains 8, and every two adjacent driving discs 6 are connected through one driving chain 8, so that the driving discs 6 can rotate in a linkage manner, and when force is applied to one of the driving discs 6 to rotate the driving disc 6, the other driving discs 6 can be driven to rotate; a plurality of clamping blocks 32 are arranged around the side plate 3.

As shown in fig. 2, 9-12, the clamping mechanism comprises a fixed seat 4 and a rotating disc 5, the fixed seat 4 comprises a connecting seat 41, a rotating shell 42 and a curtain block 43; the connecting base 41 is rotatably connected with the rotating shell 42, the connecting base 41 and the rotating shell 42 are matched with each other to form a rotatable disk-shaped structure with an interlayer, and a plurality of curtain blocks 43 are movably arranged between the connecting base 41 and the rotating shell 42;

wherein, the connecting seat 41 is of an annular structure, one side surface of the connecting seat 41 is provided with a plurality of limiting grooves, the other side surface of the connecting seat 41 is connected with the side plate 3, the limiting grooves are connected end to form a regular hexagon, and the peripheral side surface of the connecting seat 41 is provided with a sliding chute;

the rotating shell 42 is of a barrel-shaped structure, a perforation and a plurality of shifting grooves 421 are formed in one surface of the rotating shell 42, the plurality of shifting grooves 421 are circumferentially arrayed around the perforation, and a sliding ring is arranged on the inner wall of the rotating shell 42 and is in rotating fit with the sliding groove;

wherein, the curtain blocks 43 are in a regular triangle plate structure, and six curtain blocks 43 are arranged in a regular hexagon in a circumferential manner; the curtain blocks 43 are provided with shifting columns 431 penetrating through the curtain blocks 43, the shifting columns 431 are respectively in sliding fit with the sliding grooves and the shifting grooves 421, the rotating shell 42 is rotated to drive the shifting columns 431 arranged in the shifting grooves 421 through the shifting grooves 421, so that the curtain blocks 43 horizontally move in the limiting grooves, when the six curtain blocks 43 all horizontally move along the limiting grooves, the mutually connected vertexes of the six curtain blocks 43 are opened and closed, more specifically, when the shifting columns 431 are arranged in the middle of the limiting grooves, doors combined by the six curtain blocks 43 are in a closed shape, when the shifting columns 431 are farther away from the middle positions of the limiting grooves, the opening and closing areas of the doors combined by the six curtain blocks 43 are larger, and meanwhile, in order to ensure the sliding effect of the curtain blocks 43, the shifting grooves 421 are of a waist-shaped groove structure, so that the curtain blocks 43 can also slide in the shifting grooves 421 when sliding on the limiting grooves, and the shifting columns 431 are prevented from being limited and blocked due to the shapes of the shifting grooves 421; meanwhile, in order to prevent the problem of unstable closing effect caused by the angular deflection of the curtain block 43 during the sliding process in the limiting groove, the shifting column 431 arranged in the limiting groove should be waist-shaped, so that the stability of the curtain block 43 during the sliding process is improved.

Wherein, a plurality of rotary ears 422 are also arranged around the rotary shell 42;

as shown in fig. 13, a plurality of insertion posts 51 are provided on one side of the rotating disc 5, and fixing bolts 52 are installed on the insertion posts 51, the rotating disc 5 is installed on the rotating shell 42 through the insertion posts 51, the insertion posts 51 are inserted into the rotating ears 422, and the fixing bolts 52 lock the distance between the rotating disc 5 and the fixing base 4; the rotary disk 5 is in coordination with 9 tooth chains of the driven chain on the one hand, is driven to rotate by the driven chain 9, and on the other hand, the steel bar which is inserted into the fixed seat 4 and penetrates out is limited.

Wherein, rotary disk 5 and driving-disc 6 are the sprocket structure, a plurality of rotary disks 5 pass through driven chain 9 and a driving-disc 6 swivelling joint in the vertical direction, driving-disc 6 is multilayer sprocket structure, all connect through drive chain 8 between two adjacent driving-discs 6, through setting up driving-disc 6 into multilayer structure, let drive chain 8 and driven chain 9 rotate on the fluted disc of difference respectively, and simultaneously, in order to let a plurality of driving-disc 6 homoenergetic synchronous revolution, use one or more drive chain 8 to connect driving-disc 6, if use a drive chain 8, then driving-disc 6 sets up to two-layer, if all set up a drive chain 8 between per two driving-discs 6, then driving-disc 6 sets up to the three-layer, wherein the two-layer radius that drive chain 8 connected, the number of teeth is the same, two-layer of two drive chains 8 is connected with two adjacent driving-discs 6 respectively simultaneously.

Wherein, be provided with a plurality of auxiliary disks 7 on the curb plate 3, auxiliary disk 7 also is the sprocket structure, and auxiliary disk 7 sets up between two adjacent rotary disk 5 or two adjacent driving-discs 6, and is connected with drive chain 8, driven chain 9 respectively, and auxiliary disk 7 presss from both sides drive chain 8 and driven chain 9 tightly, prevents that two kinds of chains from taking off the tooth.

Wherein, a rotating handle 10 is arranged on one driving disk 6, a locking mechanism is arranged on the rotating handle 10, one driving disk 6 is driven to rotate by the rotating handle 10, and the other driving disks 6 are driven by one driving disk 6, and then the rotating disk 5 connected with the driving disk 6 is driven to rotate by the driving disk 6.

Wherein, mount 1 includes chassis 11 and crossbearer 12, two crossbearers 12 are installed respectively at 11 relative terminal surfaces of chassis, crossbearer 12 is "U" shape structure, and crossbearer 12's internal surface is provided with a plurality of dogs 13, dog 13 and the cooperation of fixture block 32 joint, chassis 11's both sides all are provided with small opening 14, small opening 14 is used for the concrete infiltration discharge, prevent that the concrete infiltration from resulting in the concrete water content of lower part too high, cause the quality problems that the room beam shaping is inconsistent arouses from top to bottom.

Wherein, two relative sides of diaphragm 2 are provided with wedge-shaped side bar 21, and two other relative sides are provided with the sealing strip, and the preferred 45 of slope of wedge-shaped side bar 21 makes two diaphragms 2 can be the right angle amalgamation.

It should be further noted that the locking mechanism on the rotary handle 10 may be a locking structure or a mechanism that is locked by friction force; specific friction that uses as an example, set up the telescopic body of rod on rotatory 10, set up the rubber coarse surface in the one end of the body of rod, also paste annular rubber coarse surface on the surface of curb plate 3 simultaneously, when locking the reinforcing bar after, push down the body of rod, make the rubber coarse surface on the body of rod and the rubber coarse surface of curb plate 3 paste and apply, and then can fix the reinforcing bar through the frictional force of two rubber coarse surfaces, stress and fixing base 4, the mechanical loss of the mechanical connecting piece of rotary disk 5 itself. When the locked position is opposite to the chain, the rotating handle 10 is firstly released, then the rod body passes through the side surface of the chain, then the rotating handle 10 is rotated, and finally the rod body is attached to the surface of the side plate 3.

Simultaneously, mount 1 can be according to demand adjustment length, and the length that diaphragm 2 was placed as required to mount 1's length is adjusted.

As shown in fig. 1 to 15, the specific method for manufacturing the prefabricated house beam by using the prefabricated house beam pouring mold disclosed by the invention comprises the following steps:

splicing a mould, and meanwhile, using the empty transverse plate 2 at the topmost part for pouring concrete;

secondly, inserting the steel bars into the fixed seat 4 through the fixed holes 31;

pouring concrete into the mold, and inserting the mold into a handheld vibrating machine to eliminate air bubbles in the concrete;

step four, forming the prefabricated house beam;

and step five, demolding.

The specific operation method of the first step comprises the following steps:

firstly, the fixing frame 1 is placed at a cool and ventilated place, and a plurality of pillow plates are arranged at the bottom of the fixing frame 1, so that the fixing frame 1 is separated from the ground, and the subsequent demoulding operation is convenient; then, the transverse plate 2 is placed at the bottom above the fixing frame 1, the slope surface of the side strip 21 is upward, and then the upper surface of the transverse plate 2 is covered with a thin film, so that the corrosion effect of the concrete material on the transverse plate 2 is reduced, and the later demolding is facilitated;

then, attaching a film on the surface of the side plate 3, then clamping the side plate 3 on the stop block 13 of the cross frame 12, and attaching the bottom of the side plate 3 to the upper surface of the transverse plate 2 at the bottom of the fixed frame 1;

finally, attaching films on the surfaces of the transverse plates 2 at two sides, and installing the transverse plates on the fixed frame 1;

at the moment, connecting gaps of the three transverse plates 2 and the side plates 3 on two sides are filled with films, so that subsequent demolding is facilitated, and the sealing effect of the gaps is improved.

The specific operation method of the second step comprises the following steps:

cutting the reinforcing steel bar, wherein the length of the reinforcing steel bar is greater than the distance between two opposite fixed seats 4 on the two side plates 3 and less than the distance between two opposite rotating disks 5 on the two side plates 3; then the rotating handle 10 is shaken to open the curtain block 43 on the fixed seat 4, one end of the cut steel bar is inserted into the hole surrounded by the curtain block 43, the other end of the cut steel bar is inserted into the hole surrounded by the curtain block 43 of the other fixed seat 4, and the film attached to the side plate 3 is poked through in the penetrating process; all the steel bars are well installed, the rotating handle 10 is shaken reversely, and after the steel bars are clamped, the rotating handle 10 is fixed by using a locking mechanism.

The concrete operation method of the step five is as follows:

placing a plurality of jacks on the bottom surface of the transverse plate 2 from gaps of the sleeper plate, then jacking up the transverse plate 2 at the bottom by using the jacks, lifting the transverse plate 2 at the bottom to be separated from the fixed frame 1, penetrating the transverse plate 2 and the fixed frame 1 by using a plurality of ropes, and taking out the house beam from the die by using lifting equipment such as a crane.

Wherein the forming of the prefabricated house beam and the maintenance in the forming process are preferably performed by methods commonly used in the art.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (7)

1. The utility model provides a mould is pour to prefabricated room roof beam, includes mount (1), diaphragm (2) and curb plate (3), and a plurality of diaphragms (2) end to end form a barrel, and the relative parallel mount curb plate (3) in both ends of barrel form sealed box body structure, and sealed box body structrual installation is in mount (1), its characterized in that:

a plurality of fixing holes (31) are arrayed on the surface of the side plate (3), and a clamping mechanism, a driving disc (6), a driving chain (8) and a driven chain (9) are arranged on the side surface of the side plate (3); the clamping mechanisms are arranged on the fixing holes (31) and are coaxial with the fixing holes (31); the clamping mechanism in the vertical direction is connected with a driving disc (6) through a driven chain (9); the driving discs (6) are connected through driving chains (8); a plurality of clamping blocks (32) are arranged around the side plate (3).

2. The precast house beam pouring mold for the precast house beam of claim 1 is characterized in that the clamping mechanism comprises a fixed seat (4) and a rotating disc (5), the fixed seat (4) comprises a connecting seat (41), a rotating shell (42) and a curtain block (43); the connecting seat (41) is rotatably connected with the rotating shell (42), and the plurality of curtain blocks (43) are movably arranged between the connecting seat (41) and the rotating shell (42);

the connecting seat (41) is of an annular structure, a plurality of limiting grooves are formed in one side face of the connecting seat (41), the limiting grooves are connected end to form a regular hexagon, and sliding grooves are formed in the peripheral side face of the connecting seat (41);

the rotary shell (42) is of a barrel-shaped structure, a perforation and a plurality of shifting grooves (421) are formed in one surface of the rotary shell (42), the shifting grooves (421) are circumferentially arrayed around the perforation, a sliding ring is arranged on the inner wall of the rotary shell (42), and the sliding ring is in rotating fit with the sliding groove;

the curtain blocks (43) are of regular triangle plate structures, and six curtain blocks (43) are circumferentially arranged into a regular hexagon; the curtain block (43) is provided with a shifting column (431) penetrating through the curtain block (43), and the shifting column (431) is respectively in sliding fit with the sliding groove and the shifting groove (421);

a plurality of inserting columns (51) are arranged on one side face of the rotating disc (5), fixing bolts (52) are installed on the inserting columns (51), and the rotating disc (5) is installed on the rotating shell (42) through the inserting columns (51).

3. The precast house beam pouring mold according to claim 2, characterized in that the rotating discs (5) and the driving discs (6) are both in a chain wheel structure, a plurality of rotating discs (5) are rotatably connected with one driving disc (6) through driven chains (9) in the vertical direction, the driving discs (6) are in a multi-layer chain wheel structure, and two adjacent driving discs (6) are connected through driving chains (8).

4. The precast house beam pouring mold according to claim 3, characterized in that a plurality of auxiliary discs (7) are arranged on the side plates (3), the auxiliary discs (7) are also in a chain wheel structure, the auxiliary discs (7) are arranged between two adjacent rotating discs (5) or two adjacent driving discs (6) and are respectively connected with a driving chain (8) and a driven chain (9).

5. A prefabricated house beam pouring mould according to claim 4, characterized in that a rotating handle (10) is mounted on one of said driving discs (6), and a locking mechanism is arranged on the rotating handle (10).

6. The precast house beam pouring mold as claimed in claim 5, wherein the fixing frame (1) comprises an underframe (11) and a cross frame (12), the two cross frames (12) are respectively installed on two opposite end surfaces of the underframe (11), the cross frame (12) is of a U-shaped structure, a plurality of stop blocks (13) are arranged on the inner surface of each cross frame (12), the stop blocks (13) are in clamping fit with the corresponding clamp blocks (32), and the two sides of the underframe (11) are provided with the leakage grooves (14).

7. Prefabricated house beam casting mould according to claim 6, characterized in that two opposite sides of the cross slab (2) are provided with wedge-shaped side strips (21) and the other two opposite sides are provided with sealing strips.

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