CN110821154A

CN110821154A - Mould turnover device

Info

Publication number: CN110821154A
Application number: CN201911245231.8A
Authority: CN
Inventors: 彭宝安
Original assignee: Jingmen Baisi Machinery Technology Co Ltd
Current assignee: Jingmen Baisi Machinery Technology Co Ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-02-21

Abstract

The invention discloses a turnover formwork device, which is mainly used for the construction of a cast-in-place barrel structure in the field of constructional engineering, and is quick and convenient to construct; the device consists of an operation platform, a hydraulic system, an embedded screw rod and a turnover formwork; the working principle is as follows: firstly, reinforcing steel bars and pouring concrete are installed in a cavity formed by a pair of movable formworks, after the concrete is finally set, fasteners at the lower ends of the pair of movable formworks are loosened, the pair of movable formworks are turned upwards, at the moment, the pair of movable formworks and the poured concrete are demolded, when the pair of movable formworks are turned upwards for 180 degrees, a pair of pin shafts at the upper ends of the pair of movable formworks are placed in a U-shaped groove at the third row of flanges, fasteners at the third row are pressed downwards, the pair of pin shafts at the upper ends of the pair of movable formworks are locked, then the concrete is poured in the cavity formed by the pair of movable formworks, after the concrete is finally set, the formworks are continuously turned upwards and the concrete is poured by the same method until the concrete pouring work.

Description

Mould turnover device

Technical Field

The invention is mainly used for the construction of a cast-in-place barrel structure in the field of constructional engineering.

Background

At present, the sliding formwork template is adopted in the construction of the cast-in-place barrel structure in the field of building engineering, the requirement of the template on the lifting capacity of lifting equipment is high, and the later strength development of concrete is influenced by applying larger tensile stress to poured concrete when the template slides.

Disclosure of Invention

The invention solves the problems, has low requirement on the lifting capacity of the lifting equipment, and simultaneously does not influence the later strength development of the poured concrete. The device consists of an operation platform (1), a hydraulic system (2), an embedded screw rod (3), a turnover template (9) and a hanging ring (4); the rollover template (9) consists of a cross beam (10), stiffening plates (24), channel steel (23), movable templates (12), bottom beams (21) and a temporary fixing piece (13), wherein the lower end of the cross beam (10) is fixed with the upper ends of the left and right stiffening plates (24), the middle parts of the cross sections of the left and right channel steel (23) are fixed with the left and right stiffening plates (24), flanges (25) of the left and right channel steel (23) respectively face the stiffening plates (24) at the left and right sides, the bottom surfaces of the cross sections of the left and right channel steel (23) respectively face the cylinder wall (11), the bottom surfaces of the cross sections of the left and right channel steel (23) are respectively flush with the surfaces of the left and right movable templates (12) facing the cylinder wall (11), the lower ends of the left and right stiffening plates (24) and the left and right channel steel (23) are respectively fixed with the upper ends of the pair of the bottom beams (21), the pair of bottom beams (21) are arranged along, a plurality of beams (10), a plurality of channel steel (23), a plurality of stiffening plates (24) and a bottom beam (21) are combined into a whole to form a side template of the cylinder barrel wall (11), similarly, a plurality of beams (10), a plurality of channel steel (23), a plurality of stiffening plates (24) and the bottom beam (21) are combined into a whole to form the other side template of the cylinder barrel wall (11), the templates on two sides share the beams (10), two flanges (25) of each channel steel (23) are respectively provided with a plurality of U-shaped grooves (20), the center distance of the adjacent U-shaped grooves (20) is equal to the center distance of upper and lower pin shafts (17) of the movable template (12), a semi-circular arc surface B (22) at the bottom of each U-shaped groove (20) is matched with the outer surface of a pin rod (17) of the movable template (12), four pin shafts (17) are fixed at four corners of the movable template (12), and the four pin shafts (, the left side and the right side of the movable template (12) are tightly attached to the side edges of flanges (25) of adjacent channel steel (23), the inner surface and the outer surface of the movable template (12) are smooth planes, the upper end and the lower end of the movable template (12) are smooth semi-circular arc surfaces A (18), pin shafts (17) on the left side and the right side of the movable template (12) are placed in U-shaped grooves (20) of the flanges (25) of the adjacent channel steel (23), an O-shaped water stop strip A (15) is installed at the right lower end of the movable template (12), an O-shaped water stop strip B (16) is installed at the left upper end of the movable template (12), a plurality of piece buckles (19) are fixed on the channel steel (23), the position of each piece buckle (19) corresponds to the position of each U-shaped groove (20), a lower piece buckle (19) clamps the pin shafts (17) of the movable template (12) into the U-shaped grooves (20) of the flanges (25) of the channel steel (23), and the pin shafts (17) of the, after the fastener (19) is loosened, a pin shaft (17) of the movable template (12) is separated from the U-shaped groove (20), a plurality of pre-buried holes (14) are reserved in the poured concrete, bolts of the temporary fixing piece (13) penetrate through the pre-buried holes (14) and are temporarily fixed with the poured concrete, and the temporary fixing piece (13) props against a pair of bottom beams (21); the hydraulic system (2) mainly comprises a hydraulic oil cylinder (5) and a hydraulic piston (6), a cavity is formed between a hydraulic cylinder outer cylinder (7) and a hydraulic cylinder inner cylinder (8) of the hydraulic oil cylinder (5), the annular hydraulic piston (6) is installed in the cavity of the hydraulic oil cylinder (5), an annular groove (31) is formed in the upper end of the hydraulic piston (6), a through hole A (26) is formed in the hydraulic cylinder inner cylinder (8), the embedded lead screw (3) penetrates through the through hole (26), the outer wall of the hydraulic oil cylinder (5) is fixed with the middle of the cross beam (10), the operating platform (1) is fixed with the bottom beam (21), and the embedded lead screw (3) is embedded in poured concrete in advance; the hanging ring (4) consists of a nut cover (27) and a pair of pin rods (29), the center of the upper part of the nut cover (27) is provided with a through hole B (28), the through hole B (28) is provided with internal threads, the internal threads of the through hole B (28) are matched with the external threads of the embedded screw rod (3), the lower part of the nut cover (27) is provided with a ring column (32), the ring column (32) is provided with a pair of horizontal pin rod holes (30), the pair of pin rods (29) are inserted into the pair of pin rod holes (30), and the pair of pin rods (29) are clamped in a ring groove (31) at the upper end of the hydraulic piston (6; the operating principle of the turnover device is as follows: when the turnover formwork device stays at a certain height of the cylinder wall (11), the hydraulic piston (6) is in a retraction state, the upper end of the hydraulic piston (6) is connected with the hanging ring (4), the temporary fixing piece (13) props against the lower ends of a pair of bottom beams (21), a pair of movable formworks (12) are firstly installed at the lowest row of the turnover formwork (9), the upper pin shaft (17) and the lower pin shaft (17) of the pair of movable formworks (12) are all placed in the U-shaped groove (20) of the flange (25) of the adjacent channel steel (23), the upper part buckle and the lower part buckle (19) are all buckled, meanwhile, the O-shaped water stop strips A (15) of the pair of movable formworks (12) abut against the cylinder wall (11) which is poured and reaches a certain strength, then steel bars and concrete are installed in a cavity formed by the pair of movable formworks (12), the O-shaped water stop strips A (15) of the pair of movable formworks, loosening the fastener (27) at the lower end of the pair of movable formworks (12) after the concrete is finally solidified, turning the pair of movable formworks (12) upwards, demoulding the pair of movable formworks (12) and the poured concrete, putting the pair of pin shafts (17) at the upper ends of the pair of movable formworks (12) into the third row of U-shaped grooves (20) of the flange (25) after the pair of movable formworks (12) are turned upwards for 180 degrees, pressing the fastener (19) at the third row downwards to lock the pair of pin shafts (17) at the upper ends of the pair of movable formworks (12), enabling the upper pin shaft and the lower pin shaft (17) of the pair of movable formworks (12) to be in a locking state, enabling the O-shaped water stop strips B (16) of the pair of movable formworks (12) to abut against the cylinder wall (11) which is poured and reaches a certain strength, and then pouring the concrete in a cavity formed by the pair of movable, after the concrete is finally set, continuously turning up the templates and pouring the concrete by the same method until the concrete pouring work of a construction section is completed, then loosening the fasteners (19) corresponding to a pair of pin shafts (17) at the upper ends of a pair of movable templates (12), turning the pair of movable templates (12) downwards, demoulding the movable templates (12) and the poured concrete, continuously turning down the pair of movable templates (12) to the initial position, then taking out a pair of pin rods (29), upwards rotating the hanging ring (4) for a certain height, then extending out the hydraulic piston (6) to enable the upper end of the hydraulic piston (6) to prop against the hanging ring (4), wherein the position of an annular groove (31) at the upper end of the hydraulic piston (6) is just corresponding to the position of a pair of pin rod holes (30) of the hanging ring (4), then inserting the pair of pin rods (29) into the pair of pin rod holes (30) of the hanging ring (4), and simultaneously clamping the pair of pin rods (29) in the annular groove (31) at the upper end of the hydraulic piston (6), the connection work of the upper end of the hydraulic piston (6) and the hanging ring (4) is completed, at the moment, all the weight of the turnover device is borne by the temporary fixing piece (13), the hydraulic piston (6) is retracted, the hydraulic piston (6) drives the hydraulic oil cylinder (5) and the turnover formwork (9) to move upwards for a certain distance, meanwhile, the inner surfaces of the channel steels (23) of the turnover formwork (9) slide for a certain distance along the concrete surface of the cylinder wall (11), the temporary fixing piece (13) is installed, the pair of bottom beams (21) are enabled to push against the temporary fixing piece (13), climbing is repeatedly carried out according to the method until the turnover device rises to the next section of concrete pouring height of the cylinder wall (11), and then the steel bar installation and concrete pouring work of the next construction section are carried out.

Drawings

1-operation platform, 2-hydraulic system, 3-embedded lead screw, 4-hanging ring, 5-hydraulic oil cylinder, 6-hydraulic piston, 7-hydraulic cylinder outer cylinder, 8-hydraulic cylinder inner cylinder, 9-rollover template, 10-cross beam, 11-cylinder wall, 12-movable template, 13-temporary fixing piece, 14-pre-embedded hole, 15-O type water stop strip A, 16-O type water stop strip B, 17-pin shaft, 18-semi-arc surface A, 19-buckle, 20-U-shaped groove, 21-bottom beam, 22-semi-arc surface B, 23-channel steel, 24-stiffening plate, 25-flange, 26-through hole A, 27-nut cover, 28-through hole B, 29-pin rod, 30-pin rod hole, 31-ring groove, 32-ring column.

Fig. 1 is a schematic elevation view of the present invention.

Fig. 2 is a vertical sectional view of the hydraulic system 2.

Fig. 3 is a horizontal sectional view of the hydraulic system 2.

Fig. 4 is a front elevation view of the movable die plate 12.

Fig. 5 is a side elevation view of the movable die plate 12.

Fig. 6 is a front elevation view of the combination of the adjacent forms of the overmold 9.

FIG. 7 shows the adjacent cross beams 10, channel beams 23, stiffening plates 24 and stiffening plates of the rollover form 9

A schematic view of the combination of the bottom beams 21.

Fig. 8 is a side elevation view of the channel flange 25.

Fig. 9 is a schematic view of the movable die plate 12 turned upside down.

Fig. 10 is a schematic view of the connection of the upper end of the hydraulic piston 6 to the suspension loop 4.

Fig. 11 is an exploded view of the nut cap 28, the pin 29, and the hydraulic piston 6 of the suspension ring 4.

Fig. 12 is a horizontal sectional view of the nut cover 28.

Detailed Description

Referring to fig. 1 to 12, when the turnover device stays at a certain height of the cylinder wall 11, the hydraulic piston 6 is in a retracted state, the upper end of the hydraulic piston 6 is connected with the suspension loop 4, the temporary fixing piece 13 supports against the lower ends of the pair of bottom beams 21, the pair of movable formworks 12 are firstly installed at the lowest row of the turnover formworks 9, the upper pin shafts 17 and the lower pin shafts 17 of the pair of movable formworks 12 are all placed in the U-shaped grooves 20 of the flanges 25 of the adjacent channel steels 23, the upper part buckles and the lower part buckles 19 are all buckled, meanwhile, the O-shaped water stop strips A15 of the pair of movable formworks 12 abut against the cylinder wall 11 which is poured and reaches a certain strength, then reinforcing steel bars are installed in the cavity formed by the pair of movable formworks 12 and concrete is poured, the O-shaped water stop strips A15 of the pair of movable formworks 12 prevent the concrete from leaking, after the concrete is finally solidified, the piece buckles 27, at the moment, a pair of movable formworks 12 and poured concrete are demolded, after a pair of movable formworks 12 are turned upwards by 180 degrees, a pair of pin shafts 17 at the upper ends of the pair of movable formworks 12 are placed in a U-shaped groove 20 at the third row of flanges 25, a third row of part buckles 19 are pressed downwards to lock the pair of pin shafts 17 at the upper ends of the pair of movable formworks 12, at the moment, the upper and lower pair of pin shafts 17 of the pair of movable formworks 12 are in a locked state, meanwhile, O-shaped water stop strips B16 of the pair of movable formworks 12 abut against a cylinder barrel wall 11 which is poured and reaches certain strength, then concrete is poured in a cavity formed by the pair of movable formworks 12, after the concrete is finally solidified, the formworks are continuously turned upwards and poured by the same method until the concrete pouring work of a construction section is finished, then, a part buckle 19 corresponding to the pair of pin, turning a pair of movable templates 12 downwards, demoulding the movable templates 12 and poured concrete, continuing to turn the pair of movable templates 12 downwards to an initial position, then taking out a pair of pin rods 29, rotating a hanging ring 4 upwards for a certain height, extending out of a hydraulic piston 6 to enable the upper end of the hydraulic piston 6 to prop against the hanging ring 4, enabling the position of an annular groove 31 at the upper end of the hydraulic piston 6 to be just corresponding to the positions of a pair of pin rod holes 30 of the hanging ring 4, then inserting the pair of pin rods 29 into the pair of pin rod holes 30 of the hanging ring 4, clamping the pair of pin rods 29 in the annular groove 31 at the upper end of the hydraulic piston 6, completing the connection work of the upper end of the hydraulic piston 6 and the hanging ring 4, enabling the whole weight of the mould turning device to be borne by a temporary fixing piece 13, retracting the hydraulic piston 6, driving a hydraulic oil cylinder 5 and the mould turning templates 9 to move upwards for a certain distance by the hydraulic piston 6, and enabling the inner surfaces of a plurality of channel steel 23 of the mould, and installing the temporary fixing pieces 13, enabling the pair of bottom beams 21 to prop against the temporary fixing pieces 13, repeatedly climbing according to the method until the turnover formwork device rises to the height of the next construction section of the barrel wall 11, and then performing the operation of installing the reinforcing steel bars and pouring concrete in the next construction section. Need to explain: when the pair of movable formworks 12 are turned over and demolded, tensile stress cannot be generated on the poured concrete; when the turnover mould device rises, only the inner surfaces of the channel steels 23 of the turnover mould template 9 slide along the concrete surface of the cylinder barrel wall 11, and the design scheme greatly reduces the friction resistance between the turnover mould device and the poured concrete when the turnover mould device rises, so the requirement of the turnover mould device on the lifting capacity of the lifting equipment is low.

Claims

1. A turnover device is characterized in that: the device consists of an operation platform (1), a hydraulic system (2), an embedded screw rod (3), a turnover template (9) and a hanging ring (4); the rollover template (9) consists of a cross beam (10), stiffening plates (24), channel steel (23), movable templates (12), bottom beams (21) and a temporary fixing piece (13), wherein the lower end of the cross beam (10) is fixed with the upper ends of the left and right stiffening plates (24), the middle parts of the cross sections of the left and right channel steel (23) are fixed with the left and right stiffening plates (24), flanges (25) of the left and right channel steel (23) respectively face the stiffening plates (24) at the left and right sides, the bottom surfaces of the cross sections of the left and right channel steel (23) respectively face the cylinder wall (11), the bottom surfaces of the cross sections of the left and right channel steel (23) are respectively flush with the surfaces of the left and right movable templates (12) facing the cylinder wall (11), the lower ends of the left and right stiffening plates (24) and the left and right channel steel (23) are respectively fixed with the upper ends of the pair of the bottom beams (21), the pair of bottom beams (21) are arranged along, a plurality of beams (10), a plurality of channel steel (23), a plurality of stiffening plates (24) and a bottom beam (21) are combined into a whole to form a side template of the cylinder barrel wall (11), similarly, a plurality of beams (10), a plurality of channel steel (23), a plurality of stiffening plates (24) and the bottom beam (21) are combined into a whole to form the other side template of the cylinder barrel wall (11), the templates on two sides share the beams (10), two flanges (25) of each channel steel (23) are respectively provided with a plurality of U-shaped grooves (20), the center distance of the adjacent U-shaped grooves (20) is equal to the center distance of upper and lower pin shafts (17) of the movable template (12), a semi-circular arc surface B (22) at the bottom of each U-shaped groove (20) is matched with the outer surface of a pin rod (17) of the movable template (12), four pin shafts (17) are fixed at four corners of the movable template (12), and the four pin shafts (, the left side and the right side of the movable template (12) are tightly attached to the side edges of flanges (25) of adjacent channel steel (23), the inner surface and the outer surface of the movable template (12) are smooth planes, the upper end and the lower end of the movable template (12) are smooth semi-circular arc surfaces A (18), pin shafts (17) on the left side and the right side of the movable template (12) are placed in U-shaped grooves (20) of the flanges (25) of the adjacent channel steel (23), an O-shaped water stop strip A (15) is installed at the right lower end of the movable template (12), an O-shaped water stop strip B (16) is installed at the left upper end of the movable template (12), a plurality of piece buckles (19) are fixed on the channel steel (23), the position of each piece buckle (19) corresponds to the position of each U-shaped groove (20), a lower piece buckle (19) clamps the pin shafts (17) of the movable template (12) into the U-shaped grooves (20) of the flanges (25) of the channel steel (23), and the pin shafts (17) of the, after the fastener (19) is loosened, a pin shaft (17) of the movable template (12) is separated from the U-shaped groove (20), a plurality of pre-buried holes (14) are reserved in the poured concrete, bolts of the temporary fixing piece (13) penetrate through the pre-buried holes (14) and are temporarily fixed with the poured concrete, and the temporary fixing piece (13) props against a pair of bottom beams (21); the hydraulic system (2) mainly comprises a hydraulic oil cylinder (5) and a hydraulic piston (6), a cavity is formed between a hydraulic cylinder outer cylinder (7) and a hydraulic cylinder inner cylinder (8) of the hydraulic oil cylinder (5), the annular hydraulic piston (6) is installed in the cavity of the hydraulic oil cylinder (5), an annular groove (31) is formed in the upper end of the hydraulic piston (6), a through hole A (26) is formed in the hydraulic cylinder inner cylinder (8), the embedded lead screw (3) penetrates through the through hole (26), the outer wall of the hydraulic oil cylinder (5) is fixed with the middle of the cross beam (10), the operating platform (1) is fixed with the bottom beam (21), and the embedded lead screw (3) is embedded in poured concrete in advance; the hanging ring (4) consists of a nut cover (27) and a pair of pin rods (29), the center of the upper part of the nut cover (27) is provided with a through hole B (28), the through hole B (28) is provided with internal threads, the internal threads of the through hole B (28) are matched with the external threads of the embedded screw rod (3), the lower part of the nut cover (27) is provided with a ring column (32), the ring column (32) is provided with a pair of horizontal pin rod holes (30), the pair of pin rods (29) are inserted into the pair of pin rod holes (30), and the pair of pin rods (29) are clamped in a ring groove (31) at the upper end of the hydraulic piston (6; the operating principle of the turnover device is as follows: when the turnover formwork device stays at a certain height of the cylinder wall (11), the hydraulic piston (6) is in a retraction state, the upper end of the hydraulic piston (6) is connected with the hanging ring (4), the temporary fixing piece (13) props against the lower ends of a pair of bottom beams (21), a pair of movable formworks (12) are firstly installed at the lowest row of the turnover formwork (9), the upper pin shaft (17) and the lower pin shaft (17) of the pair of movable formworks (12) are all placed in the U-shaped groove (20) of the flange (25) of the adjacent channel steel (23), the upper part buckle and the lower part buckle (19) are all buckled, meanwhile, the O-shaped water stop strips A (15) of the pair of movable formworks (12) abut against the cylinder wall (11) which is poured and reaches a certain strength, then steel bars and concrete are installed in a cavity formed by the pair of movable formworks (12), the O-shaped water stop strips A (15) of the pair of movable formworks, loosening the fastener (27) at the lower end of the pair of movable formworks (12) after the concrete is finally solidified, turning the pair of movable formworks (12) upwards, demoulding the pair of movable formworks (12) and the poured concrete, putting the pair of pin shafts (17) at the upper ends of the pair of movable formworks (12) into the third row of U-shaped grooves (20) of the flange (25) after the pair of movable formworks (12) are turned upwards for 180 degrees, pressing the fastener (19) at the third row downwards to lock the pair of pin shafts (17) at the upper ends of the pair of movable formworks (12), enabling the upper pin shaft and the lower pin shaft (17) of the pair of movable formworks (12) to be in a locking state, enabling the O-shaped water stop strips B (16) of the pair of movable formworks (12) to abut against the cylinder wall (11) which is poured and reaches a certain strength, and then pouring the concrete in a cavity formed by the pair of movable, after the concrete is finally set, continuously turning up the templates and pouring the concrete by the same method until the concrete pouring work of a construction section is completed, then loosening the fasteners (19) corresponding to a pair of pin shafts (17) at the upper ends of a pair of movable templates (12), turning the pair of movable templates (12) downwards, demoulding the movable templates (12) and the poured concrete, continuously turning down the pair of movable templates (12) to the initial position, then taking out a pair of pin rods (29), upwards rotating the hanging ring (4) for a certain height, then extending out the hydraulic piston (6) to enable the upper end of the hydraulic piston (6) to prop against the hanging ring (4), wherein the position of an annular groove (31) at the upper end of the hydraulic piston (6) is just corresponding to the position of a pair of pin rod holes (30) of the hanging ring (4), then inserting the pair of pin rods (29) into the pair of pin rod holes (30) of the hanging ring (4), and simultaneously clamping the pair of pin rods (29) in the annular groove (31) at the upper end of the hydraulic piston (6), the connection work of the upper end of the hydraulic piston (6) and the hanging ring (4) is completed, at the moment, all the weight of the turnover device is borne by the temporary fixing piece (13), the hydraulic piston (6) is retracted, the hydraulic piston (6) drives the hydraulic oil cylinder (5) and the turnover formwork (9) to move upwards for a certain distance, meanwhile, the inner surfaces of the channel steels (23) of the turnover formwork (9) slide for a certain distance along the concrete surface of the cylinder wall (11), the temporary fixing piece (13) is installed, the pair of bottom beams (21) are enabled to push against the temporary fixing piece (13), climbing is repeatedly carried out according to the method until the turnover device rises to the next section of concrete pouring height of the cylinder wall (11), and then the steel bar installation and concrete pouring work of the next construction section are carried out.