CN215702643U

CN215702643U - Prefabricated case roof beam centre form of easy dismounting's pull formula

Info

Publication number: CN215702643U
Application number: CN202121349779.XU
Authority: CN
Inventors: 胡光强; 汪涛; 李孟元; 黄代桥
Original assignee: Chongqing Xinyuyang Steel Mould Manufacturing Co ltd
Current assignee: Chongqing Xinyuyang Steel Mould Manufacturing Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-02-01
Anticipated expiration: 2031-06-17

Abstract

The utility model relates to the technical field of prefabricated box girder internal molds and discloses a pull-type prefabricated box girder internal mold convenient to disassemble and assemble. This prefabricated case roof beam centre form of easy dismounting's pull formula, the bottom that is the bottom plate through the contact surface that makes centre form and case roof beam inner wall, make the case roof beam centre form when dismantling the pull, with the contact surface minimizing of concreting inner wall, and then reduce the case roof beam centre form to a certain extent and when carrying out the pull and dismantle, to the damage degree of concreting inner wall, make concreting inner wall obtain certain protection, the life that makes the case roof beam obtains certain extension, reduce user's loss to a certain extent.

Description

Prefabricated case roof beam centre form of easy dismounting's pull formula

Technical Field

The utility model relates to the technical field of prefabricated box girder internal molds, in particular to a pull-out type prefabricated box girder internal mold convenient to disassemble and assemble.

Background

The existing box girder internal mold is mostly in an assembled type, and in the preparation process, the internal mold parts are connected and assembled by welding, riveting and other complex ways, so that the assembly is time-consuming and labor-consuming; at the in-process that the centre form was demolishd, need operating personnel to get into the inside piecemeal of case roof beam and demolish, but the inner space of case roof beam is narrower and small usually, has the inconvenient problem of dismantlement, makes operating personnel intensity of labour increase simultaneously, and work efficiency reduces, the waste time.

According to the above problems, the patent publication: CN209868950U discloses a prefabricated case roof beam centre form of pull formula, through the half mode structure of relative setting about setting, the grafting that slides respectively between the top of two half mode structures and bottom is equipped with the connecting plate, and the grafting that slides has the bracing piece between two connecting plates, and the inner space of having solved the roof beam is narrower and small, has the inconvenient problem of dismantlement, but this scheme still can appear following problem at the in-process that uses: because the centre form is dismantled the back and is great with concreting's inner wall area of contact, when traction force through the hoist engine carries out the pull to the centre form, make the centre form great to concreting's inner wall's damage, make the life of centre form obtain certain reduction simultaneously, make the staff later stage maintain the inner wall of concreting once more, make staff's intensity of labour and work load increase, make user's construction fund increase simultaneously.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the pull-type prefabricated box girder inner mold which is convenient to disassemble and assemble, has the advantages of small contact area with the inner wall of the poured concrete after the inner mold is disassembled, and the like, and solves the problem of large contact area with the inner wall of the poured concrete after the inner mold is disassembled.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a prefabricated case roof beam centre form of easy dismounting's pull formula, comprising a base plate, both sides all rotate around the bottom plate top and are connected with the lower plate, be provided with the same structure on two lower plates, the top of lower plate is rotated and is connected with the epipleura, the top of epipleura is rotated and is connected with the roof, the opposite side difference fixedly connected with first supporting shoe of two lower plates, it is connected with first transmission board and second transmission board to rotate respectively on two first supporting shoes, the front end of first transmission board rotates with the rear end of second transmission board to be connected, the fixed slot has been seted up at the top of first supporting shoe, the front side fixedly connected with second supporting shoe of epipleura, the sliding tray has been seted up at the top of second supporting shoe, the inside of sliding tray runs through the inside of second supporting shoe and extends to the outside of second supporting shoe, the inside of second supporting shoe is provided with fixed support device.

Preferably, the front side of the first supporting block is provided with an inclined surface.

Preferably, the fixed support device comprises a fixed frame, the surface of the fixed frame is connected with the inner sliding surface of the sliding groove in a sliding mode, the fixed frame is inverted L-shaped, the bottom of the fixed frame is connected with the inner sliding surface of the fixed groove in a sliding mode, the surface of the vertical rod of the fixed frame is fixedly connected with an extension spring, the bottom end of the extension spring is fixedly connected with the inner wall of the sliding groove, the top of the second supporting block is provided with a reinforcing groove, the top of the vertical plate of the fixed frame is provided with a sliding groove, and the inner sliding surface of the sliding groove is connected with a sliding block.

Preferably, a positioning groove is formed in the front side of the second supporting block, and a reinforcing plate is connected to the inside of the positioning groove in a sliding mode.

Preferably, the sliding groove is in a cross shape, and the sliding block is also in a cross shape.

Preferably, the inner thread of the sliding block is connected with a threaded rod, and the surface of the threaded rod is connected with the inner thread of the reinforcing groove.

(III) advantageous effects

Compared with the prior art, the utility model provides the pull-type precast box girder internal mold convenient to disassemble and assemble, which has the following beneficial effects:

1. this prefabricated case roof beam centre form of easy dismounting's pull formula, the bottom that is the bottom plate through the contact surface that makes centre form and case roof beam inner wall, make the case roof beam centre form when dismantling the pull, with the contact surface minimizing of concreting inner wall, and then reduce the case roof beam centre form to a certain extent and when carrying out the pull and dismantle, to the damage degree of concreting inner wall, make concreting inner wall obtain certain protection, the life that makes the case roof beam obtains certain extension, reduce user's loss to a certain extent, make the staff can more convenient operative installations.

2. This prefabricated case roof beam centre form of easy dismounting's pull formula, through the inside that makes the reinforcing plate slide in the constant head tank, make the curb plate obtain fixed many times with last curb plate, and then make the fixed more stable firm of position of curb plate and last curb plate, make the staff can safe handling device more simultaneously, make staff's operational environment safety more, it is more convenient to fix at a certain extent device simultaneously, make the staff obtain certain promotion to the installation rate of device, make staff's engineering progress obtain certain promotion that has passed.

3. This prefabricated case roof beam centre form of easy dismounting's pull formula is the cross through passing through slider and spout, prevents to a certain extent that the slider from when the inside of spout is removed, the dead condition of skew card appears, and then makes the appearance damage of device, and the condition that makes device life reduce appears, makes the slider can be more smooth carry out the back-and-forth movement in the inside of spout, makes the operative installations that the staff can be more convenient.

Drawings

FIG. 1 is a schematic structural view of an internal mold of a pull-type prefabricated box girder according to the utility model;

FIG. 2 is a schematic left-side plan view of a second support block according to the present invention;

FIG. 3 is an enlarged view of A in FIG. 1 according to the present invention.

In the figure: the device comprises a base plate 1, a lower side plate 2, an upper side plate 3, a top plate 4, a first supporting block 5, a fixing groove 6, a fixing frame 7, a first transmission plate 8, a second transmission plate 9, a reinforcing plate 10, a second supporting block 11, a reinforcing groove 12, a sliding groove 13, a threaded rod 14, a sliding block 15, a sliding groove 16, a positioning groove 17 and a tension spring 18.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a pull-type prefabricated box girder internal mold convenient to disassemble and assemble comprises a bottom plate 1, the front side and the rear side of the top of the bottom plate 1 are respectively and rotatably connected with a lower side plate 2, the two lower side plates 2 are provided with the same structure, the top of the lower side plate 2 is rotatably connected with an upper side plate 3, the top of the upper side plate 3 is rotatably connected with a top plate 4, a cavity is formed by the mutual matching of the two lower side plates 2, the two upper side plates 3, the bottom plate 1 and the lower side plates 2, the opposite sides of the two lower side plates 2 are respectively and fixedly connected with a first supporting block 5, the front side of the first supporting block 5 is provided with an inclined surface, the two first supporting blocks 5 are respectively and rotatably connected with a first transmission plate 8 and a second transmission plate 9, the front end of the first transmission plate 8 is rotatably connected with the rear end of the second transmission plate 9, the rotating positions of the first transmission plate 8 and the second transmission plate 9 can only move leftwards, the top of the first supporting block 5 is provided with a fixing groove 6, a second supporting block 11 is fixedly connected to the front side of the upper side plate 3, a sliding groove 13 is formed in the top of the second supporting block 11, the inside of the sliding groove 13 penetrates through the inside of the second supporting block 11 and extends to the outside of the second supporting block 11, and a fixed supporting device is arranged inside the second supporting block 11;

the fixed supporting device comprises a fixed frame 7, the surface of the fixed frame 7 is connected with the inner part of a sliding groove 13 in a sliding manner, the fixed frame 7 is inverted L-shaped, the bottom of the fixed frame 7 is connected with the inner part of a fixed groove 6 in a sliding manner, the surface of a vertical rod of the fixed frame 7 is fixedly connected with a tension spring 18, the bottom end of the tension spring 18 is fixedly connected with the inner wall of the sliding groove 13, the tension spring 18 can be stretched and reset through the up-and-down movement of the fixed frame 7, the top of a second supporting block 11 is provided with a reinforced groove 12, the front side of the second supporting block 11 is provided with a positioning groove 17, the inner part of the positioning groove 17 is connected with a reinforced plate 10 in a sliding manner, the two upper side plates 3 can be supported and fixed through the matching of the reinforced plate 10 and the positioning groove 17, the inner part of the device is more stably and firmly supported to a certain extent, the top of a longitudinal plate of the fixed frame 7 is provided with a sliding groove 16, the sliding groove 16 is cross-shaped, and the sliding block 15 is connected inside the sliding manner, the sliding block 15 is also in a cross shape, the sliding block 15 and the sliding groove 16 are both in a cross shape, so that the sliding block 15 is prevented from being stuck by deviation when moving in the sliding groove 16 to a certain extent, the device is further damaged, the service life of the device is shortened, the sliding block 15 can move back and forth in the sliding groove 16 more smoothly, a worker can use the device more conveniently, the inner thread of the sliding block 15 is connected with the threaded rod 14, and the surface of the threaded rod 14 is connected with the inner thread of the reinforcing groove 12;

the lower side plate 2 is enabled to move upwards, the lower side plate 2 and the upper side plate 3 are enabled to move backwards, meanwhile, the fixing frame 7 can be pushed to move upwards in the sliding groove 13 while the lower side plate 2 and the upper side plate 3 move backwards through the inclined plane arranged at the front side of the first supporting block 5, the tension spring 18 is stretched, when the vertical rod of the fixing frame 7 moves to the top of the fixing groove 6, the tension spring 18 is reset to enable the vertical rod of the fixing frame 7 to slide into the fixing groove 6, the position fixing of the lower side plate 2 and the upper side plate 3 is further achieved, the threaded rod 14 is enabled to rotate, the bottom of the threaded rod 14 enters into the reinforcing groove 12, the position of the fixing frame 7 is enabled to be fixed, the lower side plate 2 and the upper side plate 3 are further fixed again, the reinforcing plate 10 slides into the positioning groove 17, the lower side plate 2 and the upper side plate 3 are fixed for multiple times, and the position fixing of the lower side plate 2 and the upper side plate 3 is further enabled to be more stable and firm, meanwhile, the device can be used more safely by workers, the working environment of the workers is safer, the device is more convenient to fix to a certain degree, and the installation speed of the device by the workers is improved to a certain extent;

the threaded rod 14 is rotated reversely and slides inside the reinforcing groove 12, the sliding block 15 moves forwards inside the sliding groove 16, after the sliding block 15 moves to a proper position, the threaded rod 14 is rotated to move the threaded rod 14 downwards and is contacted with the top of the second supporting block 11, the vertical rod of the fixing frame 7 slides out of the inside of the fixing groove 6, the reinforcing plate 10 slides out of the positioning groove 17, the fixing of the lower side plate 2 and the upper side plate 3 is released, the steel wire rope at the traction end of the winch is connected with the left side of the first transmission plate 8 close to the second transmission plate 9, the first transmission plate 8 and the second transmission plate 9 move leftwards through the traction force of the winch, the first transmission plate 8 and the second transmission plate 9 drive the two first supporting blocks 5 and the lower side plate 2 to move relatively close to each other, and the tops of the two lower side plates 2 and the bottoms of the two upper side plates 3 move relatively close to each other, make roof 4 and lower side plate 2 and last side plate 3 keep away from the inner wall of case roof beam, traction force through the hoist makes the inside that the device pulled out the case roof beam simultaneously, and then realize the dismantlement of case roof beam centre form, make the apparatus that the staff can be more convenient, make the centre form be bottom 1 with the contact surface of concreting inner wall simultaneously, make the case roof beam centre form when dismantling the pull, with the contact surface minimizing of concreting inner wall, and then reduce the case roof beam centre form to a certain extent when carrying out the pull and dismantling, to the damage degree of concreting inner wall, make concreting inner wall obtain certain protection, make the life of case roof beam obtain certain extension, reduce user's loss to a certain extent.

The working principle is as follows:

when the pull-out type prefabricated box girder internal mold convenient to disassemble and assemble is used, the threaded rod 14 reversely rotates and slides inside the reinforcing groove 12, the sliding block 15 moves forwards inside the sliding groove 16, after the sliding block 15 moves to a proper position, the threaded rod 14 is rotated to move the threaded rod 14 downwards and is contacted with the top of the second supporting block 11, the vertical rod of the fixing frame 7 slides out of the fixing groove 6, the reinforcing plate 10 slides out of the positioning groove 17, the fixing of the lower side plate 2 and the upper side plate 3 is released, a steel wire rope at the traction end of a winch is connected with the left side of the first driving plate 8 close to the second driving plate 9, the first driving plate 8 and the second driving plate 9 move leftwards through the traction force of the winch, and the first driving plate 8 and the second driving plate 9 drive the two first supporting blocks 5 to move relatively close to the lower side plate 2, make two 2 tops of curb plate down and two 3 bottoms of curb plate carry out the relative removal of being close to, make roof 4 and lower curb plate 2 and the inner wall of case roof beam is kept away from to curb plate 3, the traction force through the hoist engine makes the device pull out the inside of case roof beam simultaneously, and then realizes the dismantlement of case roof beam centre form.

Claims

1. The utility model provides a prefabricated case roof beam centre form of easy dismounting's pull formula, includes bottom plate (1), its characterized in that: the front side and the rear side of the top of the bottom plate (1) are both rotatably connected with lower side plates (2), the two lower side plates (2) are provided with the same structure, the top of each lower side plate (2) is rotatably connected with an upper side plate (3), the top of each upper side plate (3) is rotatably connected with a top plate (4), the opposite sides of the two lower side plates (2) are respectively and fixedly connected with first supporting blocks (5), the two first supporting blocks (5) are respectively and rotatably connected with a first transmission plate (8) and a second transmission plate (9), the front end of each first transmission plate (8) is rotatably connected with the rear end of each second transmission plate (9), the top of each first supporting block (5) is provided with a fixed groove (6), the front side of each upper side plate (3) is fixedly connected with a second supporting block (11), the top of each second supporting block (11) is provided with a sliding groove (13), the inside of each sliding groove (13) penetrates through the inside of each second supporting block (11) and extends to the outside of each second supporting block (11), the inside of the second supporting block (11) is provided with a fixed supporting device.

2. The pull type precast box girder inner mold convenient to disassemble and assemble according to claim 1, characterized in that: the front side of the first supporting block (5) is provided with an inclined plane.

3. The pull type precast box girder inner mold convenient to disassemble and assemble according to claim 1, characterized in that: fixed support device includes mount (7), the inside sliding connection of the surface of mount (7) and sliding tray (13), mount (7) are for falling L shape, the bottom of mount (7) and the inside sliding connection of fixed slot (6), the fixed surface of the vertical pole of mount (7) is connected with extension spring (18), the bottom of extension spring (18) and the inner wall fixed connection of sliding tray (13), strengthening groove (12) have been seted up at the top of second supporting shoe (11), spout (16) have been seted up at the top of the vertical board of mount (7), the inside sliding connection of spout (16) has slider (15).

4. The pull type precast box girder inner mold convenient to disassemble and assemble according to claim 3, characterized in that: the front side of the second supporting block (11) is provided with a positioning groove (17), and the inside of the positioning groove (17) is connected with a reinforcing plate (10) in a sliding manner.

5. The pull type precast box girder inner mold convenient to disassemble and assemble according to claim 3, characterized in that: the sliding groove (16) is in a cross shape, and the sliding block (15) is also in a cross shape.

6. The pull type precast box girder inner mold convenient to disassemble and assemble according to claim 3, characterized in that: the internal thread of the sliding block (15) is connected with a threaded rod (14), and the surface of the threaded rod (14) is connected with the internal thread of the reinforcing groove (12).