CN211074055U

CN211074055U - Prefabricated staircase mould

Info

Publication number: CN211074055U
Application number: CN201921621470.4U
Authority: CN
Inventors: 张剑; 王雅明; 周涛
Original assignee: Hunan Broad Engineering Design Co ltd
Current assignee: Hunan Broad Engineering Design Co ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-07-24
Anticipated expiration: 2029-09-26

Abstract

The utility model discloses a prefabricated staircase mould, which comprises a supporting platform, two sets of first side mould components and two sets of second side moulds, wherein the two sets of first side mould components are rotatably arranged on the supporting platform, the first side mould components comprise a first side mould and a bottom mould which are mutually perpendicular and fixedly connected, and the first side mould can be switched between a vertical state and a horizontal state; the two sets of second side dies are respectively positioned at two sides of the supporting platform corresponding to the two sets of first side die assemblies, and the second side dies can be arranged in a sliding manner relative to the supporting platform; when the first side mold is in a vertical state, the first side mold assembly and the second side mold form a containing space for pouring precast stair concrete. The utility model discloses can reduce the mould cost, reduce workman intensity of labour, improve production efficiency, whole rigidity is good, maintains simple to use, and the cost is lower, and area is less, and the precision is high.

Description

Prefabricated staircase mould

Technical Field

The utility model relates to a prefabricated staircase mould belongs to concrete prefabricated component production technical field.

Background

The existing concrete prefabricated staircase is generally produced in a horizontal or vertical mode. For the vertical production mode, single-piece production is generally adopted. The production efficiency is general, the mold cost is higher, the mold is shared, the number of universal parts is small, the production cost is higher, and the floor area for producing the prefabricated staircase is large. And no matter horizontal or vertical production, after the prefabricated staircase component drawing of patterns, need adopt hoist and mount machinery upset prefabricated staircase component, the upset degree of difficulty is big, has certain danger, and misoperation has the damage to the component.

SUMMERY OF THE UTILITY MODEL

In order to reduce the mould cost, reduce area, improve production efficiency, the utility model provides a prefabricated stair mould, concrete technical scheme is as follows.

A prefabricated staircase mold is characterized by comprising a supporting platform, two sets of first side mold assemblies and two sets of second side molds, wherein the two sets of first side mold assemblies are rotatably arranged on the supporting platform and comprise first side molds and bottom molds which are perpendicular to each other and fixedly connected, and the first side molds can be switched between a vertical state and a horizontal state; the two sets of second side dies are respectively positioned at two sides of the supporting platform corresponding to the two sets of first side die assemblies, and the second side dies can be arranged in a sliding mode relative to the supporting platform; when the first side mold is in a vertical state, the first side mold assembly and the second side mold form a containing space for pouring precast stair concrete.

By adopting the technical scheme, two prefabricated stairways can be simultaneously and vertically produced by one set of prefabricated staircase die, so that the production efficiency is improved; the first side mold assembly integrates a first side mold and a bottom mold, when the first side mold is in a horizontal state, binding and embedding of prefabricated stair steel bars can be performed, when the first side mold is in a vertical state, concrete pouring can be performed, the first side mold is switched to the horizontal state again after pouring is completed, the prefabricated stair overturns for 90 degrees along with the first side mold assembly, and the prefabricated stair is simply and safely overturned; in addition, two sets of first side mould subassemblies share a supporting platform, have greatly reduced prefabricated staircase mould's area.

Further, the middle part of first side mould with supporting platform is articulated, and the articulated axis is on a parallel with the length direction of first side mould, works as when first side mould is in the horizontality, first side mould support in supporting platform's upper surface, works as when first side mould is in vertical state, first side mould support in supporting platform's side surface. Two first side form subassemblies share a supporting platform, and reinforcement, the pre-buried station of built-in fitting are concentrated relatively, are favorable to improving production efficiency, have reduced the area of two first side forms simultaneously.

Furthermore, a first positioning piece with a through hole is arranged on the supporting platform, a second positioning piece with a through hole is arranged at the position, corresponding to the first positioning piece, of the first side die, and when the first side die is in a horizontal state, a bolt can be utilized to penetrate through the through holes of the first positioning piece and the second positioning piece so as to fix the first side die on the supporting platform.

Further, the first side mold is a step mold or a step mold, and correspondingly, the second side mold is a step mold or a step mold.

Further, both ends of the second side die are hinged with end dies. The end die arranged in a hinged mode is convenient to install and open, and the die assembling efficiency is obviously improved.

Further, a guide rail is arranged below the second side die, and a roller mechanism matched with the guide rail is arranged at the lower end of the second side die. Preferably, the roller mechanism comprises a first roller and a second roller which are distributed along the extending direction of the guide rail, the first roller and the second roller are both located above the guide rail, a limiting wheel is further arranged below the second roller, and the second roller and the limiting wheel are both mounted on a mounting seat fixed with the second side die. The second side die is slidably mounted through a roller mechanism, so that the position of the second side die is convenient to adjust, the assembly and the disassembly of the die are convenient, when the first side die is in a vertical state, the second side die is moved to enable the second side die to be abutted against the bottom die, and concrete pouring spaces are formed by the first side die, the bottom die and the second side die; the movable second side die is used, the die is assembled and disassembled without the aid of a hoisting tool, the mounting and disassembling efficiency is high, the labor intensity is low, and the safety factor is high. The limiting wheel can prevent the second side die from tipping.

Further, the top of first side form (the top when being in vertical state) with the top of second side form all is provided with the fixing base that has the U type opening, the fixing base is used for the installation to drawing the screw rod.

Further, the bottom end of the first side die assembly (the bottom end of the first side die in a vertical state) is hinged with a screw rod, and a hinged shaft is vertically welded at the end part of the screw rod; the bottom of the second side die is provided with a fixing seat with a U-shaped opening. When the second side die is abutted against the bottom die, the bottom end of the second side die is fixed with the bottom end of the first side die assembly through the screw, the screw is clamped into the U-shaped opening of the bottom end fixing seat of the second side die and is fixed by fasteners such as nuts, gaskets and the like; the top ends of the second side die and the first side die are fixed through a pull screw rod. Therefore, the reliable positioning of the distance between the first side die and the second side die is realized, and the dimensional accuracy of the prefabricated part is ensured.

Compared with the prior art, the utility model, following beneficial effect has.

1. The two sets of prefabricated staircase production molds share one supporting platform, and the processing procedures of binding steel bars and embedding embedded parts are relatively centralized above the supporting platform, so that the production efficiency is improved, the mold cost is reduced, and two prefabricated parts are produced at one time;

2. the two sets of first side mold assemblies share one supporting platform, so that the floor area of the prefabricated stair mold is reduced;

3. first side form and die block have been integrated to first side mould subassembly, and prefabricated stair production is compared in prior art and is simplified greatly with the upset, and the upset of prefabricated stair need not use special hoist, and security, the efficiency of upset all promote greatly.

4. The whole rigidity is good, and it is simple to maintain and use, and the precision is high.

Drawings

Fig. 1 is a schematic perspective view of the prefabricated staircase mold of the present invention;

FIG. 2 is a perspective view of the support platform;

FIG. 3 is a schematic view of a support platform and guide rails;

FIG. 4 is a schematic view of one of the first side molds in a horizontal position;

FIG. 5 is a schematic view of both first side dies in an upright position;

FIG. 6 is a perspective view of a first side mold;

FIG. 7 is an enlarged schematic view of area A of FIG. 1;

fig. 8 is an enlarged schematic view of region a in fig. 6.

In the figure: supporting platform 1, first side mould 2, second side mould 3, die block 4, spacing cushion 5, first locating piece 6, second locating piece 7, guide rail 8, first gyro wheel 9, second gyro wheel 10, spacing wheel 11, mount pad 12, triangular supports 13, end mould 14, fixing base 15, split screw 16, screw 17, articulated shaft 18.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-8, a prefabricated staircase mold comprises a supporting platform 1, two sets of first side mold assemblies and two sets of second side molds 3, wherein the two sets of first side mold assemblies 1 are rotatably arranged on the supporting platform 1, the first side mold assemblies 2 comprise first side molds 2 and bottom molds 4 which are perpendicular to each other and fixedly connected, and the first side molds 2 can be switched between a vertical state and a horizontal state; the two sets of second side dies 3 are respectively positioned at two sides of the supporting platform 1 corresponding to the two sets of first side die assemblies, and the second side dies 3 can be arranged in a sliding manner relative to the supporting platform 1; when the first side die 2 is in a vertical state, the first side die assembly and the second side die 3 form a containing space for pouring precast stair concrete.

Referring to fig. 1, 4 and 6, first side form 2 is used for forming the back of a ladder of prefabricated stair, lower surface when prefabricated stair are in the user state promptly, and the middle part of first side form 2 is articulated with supporting platform 1, and the hinge axis is on a parallel with the length direction of first side form 2, the edge position at supporting platform 1 top is located to the articulated position, and supporting platform 1 and first side form 2 all welded fastening have the otic placode of seting up the through-hole, and the articulated shaft passes otic placode between them and realizes above-mentioned articulated connection. When the first side die 2 is in a horizontal state, the first side die 2 is supported on the upper surface of the supporting platform, when the first side die is in a vertical state, the first side die is supported on the side surface of the supporting platform, and the side surface of the supporting platform 1 is provided with a limiting cushion block 5, so that the first side die 2 can be in a vertical state. The switching of the first side mold 2 between the vertical state and the horizontal state may be achieved by a hydraulic cylinder (not shown).

Referring to fig. 1 and 4-5, the two sets of first side molds 2 are respectively hinged to the top edge of the supporting platform 1, a first positioning part 6 with a through hole is arranged on the supporting platform 1, a second positioning part 7 with a through hole is arranged at the position of the first side mold 2 corresponding to the first positioning part 6, and when the first side mold 2 is in a horizontal state, a bolt can penetrate through the through holes of the first positioning part 6 and the second positioning part 7 to fix the first side mold 2 on the supporting platform 1. The example in fig. 4 shows that two sets of first side molds 2 share the first positioning part 6 of the supporting platform 1, only one of the two sets of first side molds can be in a horizontal state for steel bar binding and embedded part embedding, and the two sets of first side molds 2 cannot be simultaneously carried out. The support platform 1 can be widened properly, two sets of first positioning parts 6 are arranged in the middle of the top of the support platform, the two sets of first positioning parts 6 respectively correspond to the two sets of first side molds 2, and therefore the two sets of first side molds can be in a horizontal state at the same time, and steel bar binding and embedded part embedding operations are conducted at the same time.

In fig. 1, the first side mold 2 is a stair back mold, and correspondingly, the second side mold 3 is a step mold for forming steps of the prefabricated staircase. It should be noted that the first side mold 2 may also be a stepping mold, and correspondingly, the second side mold 3 is a ladder back mold.

Referring to fig. 1 and 7, a guide rail 8 is arranged below the second side mold 3, and a roller mechanism matched with the guide rail 8 is arranged at the lower end of the second side mold 3.

The roller mechanism comprises a first roller 9 and a second roller 10 which are distributed along the extending direction of the guide rail 8, the first roller 9 and the second roller 10 are both positioned above the guide rail 8, a limiting wheel 11 is further arranged below the second roller 10, and the second roller 10 and the limiting wheel 11 are both installed on an installation seat 12 fixed with the second side die 3. Guide rail 8 sets up the upper surface at the channel-section steel pterygoid lamina, and the web of channel-section steel is in vertical state, and second gyro wheel 10 and spacing wheel 11 are located guide rail 8's top and below respectively, form "centre gripping" to guide rail 8, are favorable to preventing that second side form 3 from taking place to tumble. The second roller 10 and the limiting wheel 11 are fixed below the outer side of the second side die 3 through a triangular support frame 13, and the structure is stable and reliable. It should be noted that the roller mechanism may also have other structural forms as long as the slidable second side mold is ensured.

Referring to fig. 1, both end portions of the second side mold 3 are hinge-provided with end molds 14. The end die 14 arranged in a hinged mode facilitates installation and opening of the end die, and the assembly efficiency of the die is obviously improved.

Referring to fig. 1 and 6, the top end (the top end in the vertical state) of the first side die 2 and the top end of the second side die 3 are both provided with a fixing seat 15 having a U-shaped opening, and the fixing seat 15 is used for installing a counter-pull screw 16.

The bottom end of the bottom die 4 of the first side die assembly is hinged with a screw rod 17, and the end part of the screw rod 17 is vertically welded with a hinged shaft 18; the bottom end of the second side die 3 is provided with a fixed seat 15 with a U-shaped opening. When the second side die 3 is abutted against the bottom die 4, the bottom end of the second side die 3 is fixed with the bottom end of the first side die assembly through the screw 17, the screw 17 is clamped into the U-shaped opening of the bottom end fixing seat of the second side die, and the screw is fixed by using fasteners such as nuts, gaskets and the like; the top ends of the second side die 3 and the first side die 2 are fixed by a pull screw 16. In order to prevent the slurry from leaking, a sealing rubber strip (not shown) is further provided on the edge of the bottom mold 4 facing the second side mold 3, and when the bottom mold 4 abuts against the second side mold 3, the sealing rubber strip can ensure that the slurry does not leak from between the two.

The utility model discloses still relate to a prefabricated staircase production method, it adopts foretell prefabricated staircase mould, mainly includes following step:

1) the first side mould 2 is in a horizontal state, and steel bar binding and embedded part embedding operations are carried out on the first side mould 2;

2) switching the first side die 2 to a vertical state, and moving the second side die 3 to enable the bottom die 4 to be abutted against the second side die 3;

3) fixing the relative position between the first side die 2 and the second side die 3;

4) pouring concrete to form a prefabricated staircase;

5) and moving the second side die 3 to a direction far away from the first side die 2, and turning the first side die 2 and the prefabricated staircase to a horizontal state together.

The embodiments of the present invention have been described above with reference to the accompanying drawings, and features of the embodiments and examples of the present invention may be combined with each other without conflict. The present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and the scope of the present invention, which is encompassed by the present invention.

Claims

1. A prefabricated staircase mold is characterized by comprising a supporting platform, two sets of first side mold assemblies and two sets of second side molds, wherein the two sets of first side mold assemblies are rotatably arranged on the supporting platform and comprise first side molds and bottom molds which are perpendicular to each other and fixedly connected, and the first side molds can be switched between a vertical state and a horizontal state; the two sets of second side dies are respectively positioned at two sides of the supporting platform corresponding to the two sets of first side die assemblies, and the second side dies can be arranged in a sliding mode relative to the supporting platform; when the first side mold is in a vertical state, the first side mold assembly and the second side mold form a containing space for pouring precast stair concrete.

2. The prefabricated staircase mold of claim 1, wherein the middle portion of the first side mold is hinged to the support platform with a hinge axis parallel to the length direction of the first side mold, the first side mold is supported on the upper surface of the support platform when the first side mold is in a horizontal state, and the first side mold is supported on the side surface of the support platform when the first side mold is in a vertical state.

3. The prefabricated staircase mold of claim 2, wherein a first positioning member having a through hole is provided on the supporting platform, and a second positioning member having a through hole is provided at a position of the first side mold corresponding to the first positioning member, so that when the first side mold is in a horizontal state, a bolt can pass through the through holes of the first positioning member and the second positioning member to fix the first side mold to the supporting platform.

4. The prefabricated staircase mold of claim 1, wherein the first side mold is a stair-back mold or a step mold, and correspondingly, the second side mold is a step mold or a stair-back mold.

5. The prefabricated staircase die of claim 1, wherein both end portions of the second side die are hingedly provided with end dies.

6. The prefabricated staircase die of claim 1, wherein a guide rail is arranged below the second side die, and a roller mechanism matched with the guide rail is arranged at the lower end of the second side die.

7. The prefabricated staircase die of claim 6, wherein the roller mechanism comprises a first roller and a second roller distributed along the extending direction of the guide rail, the first roller and the second roller are both positioned above the guide rail, a limiting wheel is further arranged below the second roller, and the second roller and the limiting wheel are both mounted on a mounting seat fixed with the second side die.

8. The prefabricated staircase die of claim 1, wherein the top ends of the first side die and the second side die are provided with fixing seats with U-shaped openings, and the fixing seats are used for installing counter-pulling screws.

9. The prefabricated staircase mold of claim 1, wherein a screw is hinged to the bottom end of the first side mold assembly, and a hinge shaft is vertically welded to the end of the screw; the bottom of the second side die is provided with a fixing seat with a U-shaped opening.