CN213499901U

CN213499901U - Concrete prefabricated staircase pouring mold

Info

Publication number: CN213499901U
Application number: CN202021308840.1U
Authority: CN
Inventors: 陆佳栋; 夏佶渊; 杨佳敏
Original assignee: Shanghai Honghao Building Materials Co ltd
Current assignee: Shanghai Honghao Building Materials Co ltd
Priority date: 2020-07-04
Filing date: 2020-07-04
Publication date: 2021-06-22
Anticipated expiration: 2030-07-04

Abstract

The utility model discloses a precast concrete stair pouring mould relates to precast stair production facility technical field, and it includes the die block, die block width direction's both sides all are provided with the side forms perpendicularly, just both sides mould are parallel arrangement, die block length direction both sides all are provided with the end mould, arbitrary side forms length direction's both ends all with end mould fixed connection, two the lateral wall that the side forms is relative all is provided with and is used for separating pushing away from the subassembly of side forms and stair, two it is provided with a plurality ofly to push away from the subassembly respectively on corresponding side forms along the even interval of side forms length direction. The utility model has the advantages of help reducing the stair and cause the condition emergence of stair fracture and stair surface formation breach in the operation of form removal.

Description

Concrete prefabricated staircase pouring mold

Technical Field

The utility model belongs to the technical field of prefabricated staircase production facility technique and specifically relates to a mould is pour to precast concrete stair.

Background

The building stair is divided into a cast-in-place stair and a prefabricated stair according to different production processes. The cast-in-place stair needs on-site formwork support, reinforcement binding, concrete pouring, formwork removal and the like, the on-site working procedures are multiple, the supporting quantity is large, the structure is difficult to pass in the construction stage, a large amount of labor is consumed, and meanwhile, a large amount of construction waste is generated. Along with the continuous promotion of building industrialization, prefabricated staircase uses extensively, and the standardization requirement degree of prefabricated staircase is higher, for the standardization that improves prefabricated staircase, the batch production adopts the prefabricated mould of pouring of stair to produce prefabricated staircase.

The prior Chinese patent with publication number CN209304758U discloses a stair prefabrication and pouring mold, which comprises a bottom mold, two side molds arranged on the bottom mold and end molds arranged at two ends of the side molds, wherein the two side molds are vertically arranged on the bottom mold and are arranged in parallel, the end molds arranged at two ends of the side molds are fixedly connected with the side molds, and the two side molds are divided into an upper side mold and a lower side mold; a reinforcing steel bar frame for increasing the strength of the stair prefabricated member is arranged between the two side molds; and the side formwork is provided with a pull rod for fixing and pulling the steel bar frame, and the pull rod is fixedly connected with the steel bar frame.

By adopting the scheme, after the prefabricated staircase is poured, a worker firstly knocks the end molds at the two sides, then knocks the side molds at the two sides off the staircase by using the hammer, and the hammer knocks the side molds at the two sides to possibly cause cracking of the staircase or form gaps on the surface of the staircase, so that the quality of the staircase is influenced, and a part to be improved exists.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model aims to provide a mould is pour to precast concrete stair helps reducing the stair and causes the condition emergence of stair fracture and stair surface formation breach in the mould operation of tearing open with the help of pushing away from subassembly with side forms and stair separation.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a precast concrete stair pouring mould, includes the die block, die block width direction's both sides all are provided with the side forms perpendicularly, just both sides mould is parallel arrangement, die block length direction both sides all are provided with the end mould, arbitrary side forms length direction's both ends all with end mould fixed connection, two the lateral wall that the side forms is relative all is provided with and is used for separating pushing away from the subassembly of side forms and stair, two it is provided with a plurality ofly to push away from the subassembly respectively on corresponding side forms along the even interval of side forms length direction.

Through adopting above-mentioned technical scheme, with the help of pushing away from the subassembly with side forms and stair separation, help reducing the stair and cause the condition emergence of stair fracture and stair surface formation breach in the form removal operation.

The utility model discloses further set up to: push away from the subassembly and include push pedal, first screw rod and handle, two the fixed slot has all been seted up to the relative lateral wall of side forms, the push pedal inlays to be established in the fixed slot, just the push pedal is along the depth direction cooperation of sliding of fixed slot, first screw rod outside-in screw thread is worn to establish the side forms and is penetrated in the fixed slot, first screw rod axial is parallel with the sliding direction of push pedal, the one end that first screw rod passed the fixed slot is rotated with the push pedal and is connected, the handle is fixed in the one end that first screw rod deviates from the push pedal, the fixed slot with push away from the subassembly one-to-one.

Through adopting above-mentioned technical scheme, in operation, the staff is with the rotatory handle of spanner, and the handle drives first screw rod and rotates, promotes the push pedal to prefabricated stair to the realization is to the separation operation of prefabricated stair and side forms.

The utility model discloses further set up to: two the side forms all are fixed with the mount deviating from a fixed slot lateral wall, the mount is worn to establish by first screw rod through threaded connection's mode, mount and first screw rod one-to-one.

Through adopting above-mentioned technical scheme, in the work, the staff rotates the handle, and the handle drives first screw rod and rotates to through first screw rod and mount screw-thread fit, further guarantee the stability of first screw rod.

The utility model discloses further set up to: a fixing component used for detachably and fixedly connecting the two side molds is erected between the two side molds.

Through adopting above-mentioned technical scheme, can dismantle two fixed side forms by fixed subassembly, help making things convenient for the tightness of the tight connection of supporting of both sides mould.

The utility model discloses further set up to: fixed subassembly includes first mounting bracket, horizontal pole and support frame, first mounting bracket is fixed in arbitrary one side forms upper end, the support frame is fixed in another side forms upper end, horizontal pole and first mounting bracket rotate to be connected, just fixed connection can be dismantled to horizontal pole and support frame, the one end that the horizontal pole deviates from first mounting bracket is erect on the support frame, the horizontal pole is close to support frame one end screw thread and is worn to be equipped with first lock nut, first lock nut supports tight support frame.

Through adopting above-mentioned technical scheme, in the work, the staff rotates the horizontal pole to place the other end of horizontal pole on the support frame, the first lock nut of reuse is fixed horizontal pole and support frame locking, and the convenience is fixed two side forms.

The utility model discloses further set up to: any one the shaping has the ladder groove on the inner wall of limit mould, the even interval of edgewise mould length direction is provided with a plurality of built-in fittings that are used for supporting stair intensity on the lateral wall in ladder groove, the built-in fitting is the fixed plate, the fixed plate can be dismantled and fix on the ladder groove lateral wall, be fixed with embedded steel bar on the fixed plate.

Through adopting above-mentioned technical scheme, the staff can dismantle the built-in fitting and the embedded steel bar and fix on the inner wall of side forms, realizes the pre-buried operation of built-in fitting and embedded steel bar between two side forms.

The utility model discloses further set up to: wantonly be fixed with the second mounting bracket on the side forms, the vertical pre-buried sleeve that can dismantle on the second mounting bracket is fixed with, pre-buried sleeve is located between two side forms, the second mounting bracket is provided with a plurality ofly along side forms length direction, pre-buried sleeve and second mounting bracket one-to-one.

Through adopting above-mentioned technical scheme, in the work, the staff erects pre-buried sleeve between two sideforms through the second mounting bracket, realizes the pre-buried operation of pre-buried sleeve between two sideforms.

The utility model discloses further set up to: the second screw rod vertically wears to be equipped with on the second mounting bracket, the lower extreme of locking bolt extends and screw thread screw in embedded sleeve to embedded sleeve, second lock nut is worn to be equipped with to the screw thread on the second screw rod upper end, lateral wall on the tight second mounting bracket is supported to second lock nut downside.

Through adopting above-mentioned technical scheme, in the work, the staff passes through the cooperation of second screw rod and second lock nut, fixes pre-buried sleeve on the second mounting bracket, and the pre-buried sleeve of being convenient for is in the installation and the dismantlement operation between two side forms.

The utility model discloses further set up to: and pull buckles are fixed on the side walls of the two side molds which deviate from each other.

Through adopting above-mentioned technical scheme, in the work, the staff can be earlier with the help of the rotatory handle of spanner, and the handle drives first screw rod and rotates, with the push pedal to prefabricated stair promotion, pull again and draw the knot to promote the convenience to prefabricated stair and side forms separation operation.

The utility model discloses further set up to: hanging buckles are fixed on the upper side walls of the two side molds.

Through adopting above-mentioned technical scheme, before the work, the staff can be with the help of handling equipment to collude even to hang the knot with the couple of handling equipment, thereby place the assigned position with the side forms, conveniently carry out the handling to the side forms.

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) the side forms are separated from the stairs by the push-off assembly, so that the situations that the stairs are cracked and gaps are formed on the surfaces of the stairs in the mould removing operation of the stairs are reduced;

(2) the handle is rotated by a worker through a wrench, the handle drives the first screw rod to rotate, and the push plate is pushed to the prefabricated staircase, so that the prefabricated staircase and the side formwork are separated;

(3) the embedded parts and the embedded steel bars are comprehensively utilized and detachably fixed on the inner walls of the side forms, so that the embedded operation of the fixed plates and the embedded steel bars between the two side forms is realized; the worker fixes the embedded sleeve on the second mounting frame through the matching of the second screw and the second locking nut, so that the embedded operation of the embedded sleeve between the two side forms is facilitated; the strength of the prefabricated staircase is improved.

Drawings

Fig. 1 is an axial view of the concrete precast stair casting mold according to the embodiment, which mainly shows the overall structure of the concrete precast stair casting mold;

FIG. 2 is an exploded view of the present embodiment, which mainly shows the structure of the push-off assembly;

FIG. 3 is a schematic view of the side form of the present embodiment;

fig. 4 is a schematic diagram mainly showing the structure of the side mold in this embodiment.

Reference numerals: 1. bottom die; 2. side forms; 21. fixing grooves; 22. a fixing plate; 23. embedding reinforcing steel bars in advance; 24. a second mounting bracket; 25. pre-burying a sleeve; 26. a second screw; 27. a second lock nut; 28. a stepped groove; 3. end die; 4. a push-off assembly; 41. pushing the plate; 42. a first screw; 43. a handle; 44. a fixed mount; 5. pulling the button; 6. hanging and buckling; 7. a fixing assembly; 71. a first mounting bracket; 72. a cross bar; 73. a support frame; 74. a first lock nut; 75. and (6) placing the groove.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

Example (b):

referring to fig. 1, a precast concrete stair pouring mold, including die block 1, 1 width direction both sides of die block all are provided with side forms 2 perpendicularly, and two side forms 2 are parallel arrangement, and 1 length direction both sides of die block all are provided with end mould 3, and 2 length direction's of arbitrary side form both ends all with end mould 3 fixed connection, two 2 relative lateral walls of side form all are provided with and push away from subassembly 4, and two push away from subassembly 4 and are provided with two along 2 even intervals of 2 length direction of side form respectively on corresponding side form 2. The side walls of the two side molds 2 which deviate from each other are respectively fixed with a pull buckle 5, and the side walls of the two side molds 2 and the two end molds 3 are respectively fixed with a hanging buckle 6.

In actual work, workers firstly use the lifting equipment and hook the hooks of the lifting equipment with the hooks to be connected with the hanging buckles so as to lift the side forms to the bottom die, then separate the side forms 2 from the stairs by means of the pushing component 4, and then pull the pull buckles so as to completely separate the side forms 2 from the stairs.

A fixing component 7 is erected between the two side forms 2. The fixing component 7 comprises a first mounting frame 71, a cross rod 72 and a support frame 73, the first mounting frame 71 is fixed at the upper end of any one side formwork 2, the support frame 73 is fixed at the upper end of another side formwork 2, the cross rod 72 is rotatably connected with the first mounting frame 71, the cross rod 72 is detachably and fixedly connected with the support frame 73, a placement groove 75 is formed in the support frame, one end of the cross rod 72, which deviates from the first mounting frame 71, is erected in the placement groove 75, one end of the cross rod 72, which deviates from the first mounting frame 71, is threaded through with a first locking nut 74, and the first locking nut 74 and the support frame 73 deviate from the first mounting frame 71.

In actual work, the staff rotates the horizontal pole 72 to place the other end of horizontal pole 72 on support frame 73, then erect horizontal pole 72 in the standing groove 75 of support frame 73, reuse first lock nut 74 is fixed horizontal pole 72 and support frame 73, conveniently fixes two side forms 2.

Referring to fig. 2, push away from subassembly 4 including push pedal 41, first screw rod 42 and handle 43, fixed slot 21 has all been seted up to the relative lateral wall of two side forms 2, push pedal 41 inlays to be established in fixed slot 21, and push pedal 41 slides along the depth direction cooperation of sliding of fixed slot 21, first screw rod 42 outside-in screw thread is worn to establish side form 2 and is penetrated in fixed slot 21, first screw rod 42 axial is parallel with the direction of sliding of push pedal 41, first screw rod 42 passes the one end of fixed slot 21 and is rotated with push pedal 41 and be connected, handle 43 and first screw rod 42 deviate from the one end fixed connection of push pedal 41, fixed slot 21 with push away from subassembly 4 one-to-one. The fixing frames 44 are fixed on one side wall of each side die 2 departing from the fixing groove 21, the first screw rods 42 penetrate through the fixing frames 44 in a threaded mode, and the fixing frames 44 correspond to the first screw rods 42 one to one.

In actual work, a worker rotates the handle 43 with a wrench, the handle 43 drives the first screw rod 42 to rotate, and the push plate 41 pushes the prefabricated staircase under the thread matching of the side form 2 and the first screw rod 42, so that the prefabricated staircase is separated from the side form 2.

Referring to fig. 3 and 4, a stepped groove 28 is formed on the inner wall of any one of the side forms 2, embedded parts are arranged on the side wall of the stepped groove 28, the embedded parts are fixing plates 22, embedded steel bars 23 are welded and fixed on the fixing plates 22, the embedded steel bars 23 are distributed on the fixing plates 22 in a 2 × 3 matrix manner, the fixing plates 22 are six, the fixing plates 22 are arranged at equal intervals along the length direction, locking bolts are arranged on the side forms 2 formed with the stepped groove 28 and penetrate through the side forms 2 formed with the stepped groove 28 from outside to inside, end threads of the locking bolts penetrate into the fixing plates 22, and the fixing plates 22 are fixed on the side forms 2. The locking bolt is arranged corresponding to the fixing plate 22.

Any side forms 2 are fixed with two second mounting frames 24, and the two second mounting frames 24 are arranged along the length direction of the side forms 2. Second screw rods 26 vertically penetrate through the second mounting frame 24, and the two second screw rods 26 are located between the two side forms 2. The lower ends of the two second screws 26 are all fixed with embedded sleeves 25 in a threaded manner, the upper end of each second screw 26 is provided with a second locking nut 27 in a threaded manner, and the lower side of each second locking nut 27 abuts against the upper side wall of the second mounting frame 24.

In actual work, the staff installs embedded sleeve 25 at second mounting bracket 24 downside earlier, penetrates second mounting bracket 24 with second screw rod 26, makes second screw rod 26 and embedded sleeve 25 threaded connection, and second screw rod 26 upper end and second lock nut 27 cooperate, realize embedded sleeve 25's pre-buried operation.

The implementation principle of the above embodiment is as follows: in actual work, a worker firstly hangs the hanging buckle 6 on a hook of the hoisting equipment by means of the hoisting equipment, so that the side die 2 is placed on the bottom die 1, the end dies 3 are placed at two ends of the side die 2, and the end dies 3 and the side die 2 are fixedly connected through screws; then, after the worker rotates the cross bar 72 to enable the cross bar 72 to rotate into the placing groove 75, the cross bar 72 and the supporting frame 73 are locked and fixed through the first locking nut 74; then fixing the fixing plate 22 and the embedded steel bars 23 on the inner wall of the side form 2 through locking bolts, and connecting the embedded sleeves 25 at the lower end of the second mounting frame 24 through second screws 26 in a threaded manner; and pouring the concrete into the mold, wherein the fixing plate 22, the embedded steel bars 23 and the embedded sleeves 25 are embedded in the concrete.

After the concrete is condensed, the worker unscrews the locking bolts to separate the fixing plate 22 from the inner wall of the side formwork 2, the embedded steel bars 23 are fixed on the fixing plate 22 to be separated from the side formwork 2, and meanwhile, the worker unscrews the second locking nuts 27; then, the worker rotates the second screw 26 to separate the second screw 26 from the embedded sleeve 25; then, the first locking nut 74 is unscrewed, and the cross bar 72 is taken out of the placing groove 75; then unscrewing the screw to separate the end die 3 from the side die 2; finally, the worker rotates the handle 43 by using the wrench, the handle 43 drives the first screw rod 42 to rotate, the push plate 41 is pushed towards the prefabricated staircase, and therefore the prefabricated staircase is separated from the side formwork 2, and finally the pull buckle 5 is pulled to completely separate the prefabricated staircase from the side formwork 2.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a mould is pour to precast concrete stair, includes die block (1), die block (1) width direction's both sides all are provided with side forms (2) perpendicularly, just both sides form (2) are parallel arrangement, die block (1) length direction both sides all are provided with end mould (3), arbitrary side forms (2) length direction's both ends all with end mould (3) fixed connection, its characterized in that, two the lateral wall that side forms (2) are relative all is provided with and is used for separating pushing away from subassembly (4) of side forms (2) and stair, two it is provided with a plurality ofly to push away from subassembly (4) respectively on corresponding side forms (2) along side forms (2) length direction even interval.

2. The precast concrete stair casting mold according to claim 1, the push-off component (4) comprises a push plate (41), a first screw rod (42) and a handle (43), fixing grooves (21) are formed in the opposite side walls of the two side molds (2), the push plate (41) is embedded in the fixing grooves (21), the push plate (41) is matched with the fixed groove (21) in a sliding manner along the depth direction, the first screw (42) penetrates through the side die (2) from outside to inside in a threaded manner and penetrates into the fixed groove (21), the axial direction of the first screw rod (42) is parallel to the sliding direction of the push plate (41), the first screw rod (42) penetrates through one end of the fixing groove (21) and is rotationally connected with the push plate (41), the handle (43) is fixed at one end of the first screw rod (42) departing from the push plate (41), and the fixing grooves (21) correspond to the push-off components (4) one to one.

3. The precast concrete stair pouring mold according to claim 2, wherein a fixing frame (44) is fixed on one side wall of each side mold (2) away from the fixing groove (21), the fixing frame (44) is threaded through the first screw (42), and the fixing frames (44) correspond to the first screw (42) one to one.

4. The precast concrete stair casting mold according to claim 1, characterized in that a fixing component (7) for detachably and fixedly connecting the two side forms (2) is erected between the two side forms (2).

5. The precast concrete stair pouring mold according to claim 4, characterized in that the fixing assembly (7) comprises a first mounting frame (71), a cross rod (72) and a support frame (73), the first mounting frame (71) is fixed at the upper end of any one side formwork (2), the support frame (73) is fixed at the upper end of the other side formwork (2), the cross rod (72) is rotatably connected with the first mounting frame (71), the cross rod (72) is detachably and fixedly connected with the support frame (73), one end of the cross rod (72), which is far away from the first mounting frame (71), is erected on the support frame (73), a first locking nut (74) is threaded at one end, close to the support frame (73), of the cross rod (72), and the first locking nut (74) is connected with the support frame (73) in a propping manner.

6. The precast concrete stair pouring mold according to claim 1, characterized in that a step groove (28) is formed in the inner wall of any one of the side molds (2), a plurality of embedded parts for supporting the strength of the stair are arranged on the side wall of the step groove (28) at intervals along the length direction of the side mold, the embedded parts are fixing plates (22), the fixing plates (22) are detachably fixed on the side wall of the step groove (28), and embedded steel bars (23) are fixed on the fixing plates (22).

7. The precast concrete stair pouring mold according to claim 1, characterized in that a second mounting frame (24) is fixed on any side formwork (2), embedded sleeves (25) are vertically and detachably fixed on the second mounting frame (24), the embedded sleeves (25) are located between the two side formworks (2), the second mounting frame (24) is provided with a plurality of embedded sleeves (25) in the length direction of the side formworks (2), and the embedded sleeves (25) correspond to the second mounting frame (24) in a one-to-one mode.

8. The precast concrete stair pouring mold according to claim 1, wherein the side walls of the two side molds (2) which face away from each other are fixed with pull buckles (5).

9. The precast concrete stair pouring mold according to claim 1, wherein hanging buckles (6) are fixed on the upper side walls of the two side molds (2).