Fixed installation construction method for prefabricated composite floor slab
Technical Field
The invention relates to the field of building construction, in particular to a fixed installation construction method for a prefabricated composite floor slab.
Background
The composite floor slab is an assembled integral floor slab formed by laminating prefabricated slabs and cast-in-place reinforced concrete layers, the upper surface and the lower surface of the composite floor slab are flat, decoration of a finish coat is facilitated, and the composite floor slab is suitable for high-rise buildings and large-bay buildings with high integral rigidity requirements.
In the process of installing the laminated floor slab, due to the structural limitation of the laminated floor slab, the following problems exist in the actual operation process:
(1) traditional coincide floor fixed mounting equipment is when installing the construction to the coincide floor, because the workspace demand of equipment is great, extravagant work place, and the equipment quantity that leads to work place is less to reduce the installation and construction efficiency.
(2) Traditional coincide floor fixed mounting equipment needs many people to cooperate when aligning the installation to the coincide floor, fixes a position, and the time-wasting, and easy location mistake.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a fixed installation construction method of a prefabricated composite floor slab.
The technical scheme adopted by the invention to solve the technical problem is as follows: the utility model provides a prefabricated coincide floor fixed mounting construction method, its used coincide floor fixed mounting equipment, this coincide floor fixed mounting equipment includes telecontrol equipment, pneumatic cylinder, positioner and fixing device, and the concrete method when adopting above-mentioned coincide floor fixed mounting equipment to carry out fixed mounting to the coincide floor is as follows:
s1, preparing a floor slab: preparing a floor slab with a proper size;
s2, fixing a floor slab: moving the equipment to a construction position through a moving device, and fixing the floor slab prepared through S1 through a fixing device;
s3, placing a floor slab: taking the floor slab fixed in the S2 out of the fixing device through the hydraulic cylinder and the positioning device, and placing the floor slab on the surface of the fixing device;
s4, positioning a floor slab: positioning the device placed on the surface of the fixing device through the S3 by the fixing device and the moving device;
s5, mounting a floor slab: the floor slab positioned at S4 is mounted at a predetermined position by the hydraulic cylinder and the positioning device.
The upper end of the moving device is fixedly provided with a hydraulic cylinder, the upper end of the hydraulic cylinder is fixedly provided with a positioning device, and the front end of the positioning device is fixedly provided with a fixing device; wherein:
the positioning device comprises a fixed plate, an electric push rod, a supporting plate, a ball, a rubber plate and a positioning block, wherein the fixed plate is fixedly arranged at the upper end of the hydraulic cylinder, the electric push rod is symmetrically and fixedly arranged at the left side and the right side of the rear end of the upper side of the fixed plate, the tail end of the electric push rod is fixedly connected with the lower end of the rear side of the supporting plate, an arc-shaped groove is uniformly formed in the upper end of the fixed plate, the ball is connected in the arc-shaped groove in a sliding fit manner, the upper end of the ball is connected with the supporting plate in a sliding; drive the backup pad motion through electric putter, make backup pad and coincide floor contact, and can not interfere fixing device's motion, reduce the frictional force between fixed plate and the backup pad through the ball to reach the purpose that improves electric putter's work efficiency, receive the scraping in order to prevent the coincide floor at the motion process through the rubber slab, produce the damage, fix a position the coincide floor through the locating piece.
The fixing device comprises a telescopic bracket, a rectangular long plate, a small motor, a rotating frame, a first gear, a second gear and a sling mount, the telescopic bracket is fixedly arranged at the front end of the fixing plate, the upper end of the telescopic support is connected with a rectangular long plate in a sliding fit manner, a small motor is fixedly mounted on the left side of the rectangular long plate through a motor base, an output shaft at the rear end of the small motor is fixedly connected with one end of a rotating frame through a coupler, the other end of the rotating frame is connected with the rear end of the rectangular long plate in a sliding fit manner, the front end and the rear end of the right side of the rectangular long plate are respectively connected with the front end and the rear end of the rotating frame in a sliding fit manner, gears I are symmetrically and fixedly mounted at the front ends of the rotating frames on the left side and the right side of the middle part of the supporting plate, rotating rods are symmetrically arranged on the left side and the right side of the; the retractable support is matched with the rectangular long plate, so that the composite floor slab moves to the upper end of the positioning device, the rotating frame is matched with the lifting rope frame, the purpose of controlling the suspension height of the composite floor slab is achieved, the gear I is matched with the gear II, the purpose of controlling the lifting rope frames at the left end and the right end to move simultaneously is achieved, the composite floor slab is uniformly stressed, and the composite floor slab is prevented from being inclined.
The lifting rope frame comprises a steel wire rope, a first arc-shaped plate, a second arc-shaped plate and a rubber ring, the rotating frame is fixedly connected with one end of the steel wire rope, the other end of the steel wire rope is connected with the first arc-shaped plate in a sliding fit mode, the second arc-shaped plate is mounted at the upper end of the first arc-shaped plate through a pin shaft, matched key grooves are formed in the lower ends of the first arc-shaped plate and the second arc-shaped plate, and the rubber ring is fixedly mounted on the inner sides of the first arc-; the first arc plate and the second arc plate are matched to fix the laminated floor slab, the laminated floor slab is further fixed through the first arc plate and the key groove at the lower end of the second arc plate, and the rubber ring prevents the first arc plate and the inner side of the second arc plate from being scraped by reinforcing steel bars at the upper end of the laminated floor slab, so that the service life is prolonged.
As a preferred technical scheme of the invention, the moving device comprises a lead plate, bearings, an inverted T-shaped frame and rollers, wherein the lead plate is fixedly arranged at the lower end of the hydraulic cylinder, the bearings are fixedly arranged at four corners of the lower end of the lead plate, the inverted T-shaped frame is fixedly arranged on the inner side of each bearing, and the front end and the rear end of the inverted T-shaped frame are symmetrically connected with the rollers in a sliding fit manner; the gravity center of the equipment is lowered through the lead plate to prevent the equipment from being inclined due to overlarge stress on the upper end of the equipment, and the bearing is matched with the inverted T-shaped frame to achieve the purpose of enabling the roller to move in any direction.
As a preferred technical scheme of the invention, the upper end surface of the middle part of the fixed plate is provided with a rectangular groove with the same volume as that of the rectangular long plate, and the inner surface of the rectangular groove is provided with an air cushion; the friction between the fixed plate and the rectangular long plate is reduced through the air cushion.
According to a preferred technical scheme, the positioning block comprises a rectangular plate, reeds, a rubber sleeve and rectangular rubber, the rectangular plate is symmetrically and uniformly fixedly installed at the front end and the rear end of the supporting plate, the reeds are uniformly and fixedly installed at the upper end of the rectangular plate along the circumferential direction, the rubber sleeve is fixedly installed on the surfaces of the reeds, and the rectangular rubber is symmetrically and fixedly installed on the inner side and the outer side of the rectangular plate; make the rectangular plate further fix the coincide floor when fixed coincide floor through the reed, when installing the coincide floor, the reed extrudees the coincide floor, makes the coincide floor further fixed, and the rubber sleeve prevents that the coincide floor is owing to receive the reed extrusion, and receives the damage, and rectangle rubber further prevents that the coincide floor from aligning the end and receiving the scraping.
As a preferred technical scheme of the invention, cylindrical through holes are symmetrically and uniformly formed in the front side and the rear side of the rear end of the rectangular long plate, arc-shaped grooves are uniformly formed in the inner sides of the cylindrical through holes along the circumferential direction, and small balls are arranged in the arc-shaped grooves in a sliding fit manner; the friction force of the steel wire rope when the steel wire rope moves on the overlapped floor slab is reduced through the small balls, and the service life of the steel wire rope is prolonged.
As a preferred technical scheme of the invention, the rotating frame comprises a supporting rod, a first rotating block, a second rotating block and small rollers, an output shaft at the rear end of the small motor is fixedly provided with the supporting rod through a coupler, the rear end of the supporting rod is fixedly provided with the first rotating block, the front end and the rear end of the middle part of the supporting rod are fixedly provided with the second rotating block, the surfaces of the first rotating block and the second rotating block are uniformly provided with the small rollers through pin shafts along the circumferential direction, and the other end of the supporting rod is connected with the rear end of the supporting plate; the first rotating block is matched with the second rotating block to achieve the purpose of simultaneously rotating the steel wire rope, so that the stress of the laminated floor slab is uniform, and the steel wire rope, the first rotating block and the second rotating block are reduced through the small idler wheels to achieve the purpose of improving the steel wire rope, the first rotating block and the second rotating block.
As a preferred technical scheme of the invention, the steel wire rope is formed by winding six thin steel wires and one thick steel wire; the possibility of breakage of the steel wire rope caused by large friction force is reduced through the six thin steel wires, and the six thin steel wires are positioned by one thick steel wire, so that the service life of the steel wire rope is prolonged.
As a preferred technical scheme of the invention, the inner surface of the rubber ring is uniformly provided with small springs, the upper ends of the small springs are provided with arc-shaped blocks, and the surfaces of the arc-shaped blocks are rough; the arc blocks are tightly attached to the laminated floor slab through the small springs, the arc plates with rough surfaces increase the friction force between the arc plates and the laminated floor slab, and the purpose of fixing the laminated floor slab is further achieved.
Compared with the prior art, the invention has the following advantages:
1. according to the fixed installation construction method for the prefabricated composite floor slab, the positioning device is matched with the fixing device, so that the composite floor slab is uniformly stressed in the whole moving and fixed installation process, the surface is not damaged, and equipment can freely move in a small working space through the matching of the moving device, the positioning device and the fixing device, so that the purpose of positioning the composite floor slab is achieved.
2. According to the invention, through the arranged positioning device, the rectangular plate further fixes the laminated floor slab when the laminated floor slab is fixed through the reed, when the laminated floor slab is installed, the reed extrudes the laminated floor slab to further fix the laminated floor slab, the rubber sleeve prevents the laminated floor slab from being damaged due to extrusion of the reed, and the rectangular rubber further prevents the aligned end of the laminated floor slab from being scratched.
3. According to the invention, the first arc-shaped plate is matched with the second arc-shaped plate to fix the laminated floor slab through the arranged fixing device, the laminated floor slab is further fixed through the key grooves at the lower ends of the first arc-shaped plate and the second arc-shaped plate, and the rubber ring prevents the inner sides of the first arc-shaped plate and the second arc-shaped plate from being scraped by the reinforcing steel bars at the upper end of the laminated floor slab, so that the service life is shortened.
4. According to the invention, the arc blocks are tightly attached to the laminated floor slab through the arranged fixing device and the small springs, and the arc plate with the rough surface increases the friction force between the arc plate and the laminated floor slab, so that the purpose of fixing the laminated floor slab is further achieved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic plan view of the present invention;
FIG. 2 is a schematic view of the present invention in a cross-sectional plan configuration;
FIG. 3 is a schematic top plan view of the present invention;
FIG. 4 is a schematic plan view of the hoist frame of the present invention;
FIG. 5 is a schematic plan view of the locating block of the present invention;
FIG. 6 is a schematic plan view of the turret of the present invention;
fig. 7 is a schematic plan view of the steel cord of the present invention.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained with reference to fig. 1 to 7.
The utility model provides a prefabricated coincide floor fixed mounting construction method, its has used coincide floor fixed mounting equipment, and this coincide floor fixed mounting equipment includes telecontrol equipment 1, pneumatic cylinder 2, positioner 3 and fixing device 4, and the concrete method when adopting above-mentioned coincide floor fixed mounting equipment to carry out fixed mounting to the coincide floor is as follows:
s1, preparing a floor slab: preparing a floor slab with a proper size;
s2, fixing a floor slab: moving the equipment to a construction position through the moving device 1, and fixing the floor slab prepared through S1 through the fixing device 4;
s3, placing a floor slab: taking the floor slab fixed in the step S2 out of the fixing device 4 through the hydraulic cylinder 2 and the positioning device 3, and placing the floor slab on the surface of the fixing device 4;
s4, positioning a floor slab: positioning the device placed on the surface of the fixing device 4 through the S3 with the moving device 1 through the fixing device 4;
s5, mounting a floor slab: the floor slab positioned at S4 is mounted at a predetermined position by the hydraulic cylinder 2 and the positioning device 3.
The upper end of the moving device 1 is fixedly provided with a hydraulic cylinder 2, the upper end of the hydraulic cylinder 2 is fixedly provided with a positioning device 3, and the front end of the positioning device 3 is fixedly provided with a fixing device 4; wherein:
the positioning device 3 comprises a fixing plate 31, electric push rods 32, a supporting plate 33, balls 34, a rubber plate 35 and positioning blocks 36, the fixing plate 31 is fixedly installed at the upper end of the hydraulic cylinder 2, the electric push rods 32 are symmetrically and fixedly installed at the left side and the right side of the rear end of the upper side of the fixing plate 31, the tail end of each electric push rod 32 is fixedly connected with the lower end of the rear side of the supporting plate 33, arc-shaped grooves are uniformly formed in the upper end of the fixing plate 31, the arc-shaped grooves are connected with the balls 34 in a sliding fit mode, the upper ends of the balls 34 are connected with the supporting plate 33 in a sliding fit mode, the rubber plate 35 is fixedly;
a rectangular groove with the same volume as the rectangular long plate 42 is formed in the upper end face of the middle of the fixed plate 31, and an air cushion is arranged on the inner surface of the rectangular groove;
the positioning block 36 comprises a rectangular plate 361, reeds 362, rubber sleeves 363 and rectangular rubber 364, the rectangular plate 361 is symmetrically and uniformly fixedly installed at the front end and the rear end of the supporting plate 33, the reeds 362 are uniformly and fixedly installed at the upper end of the rectangular plate 361 along the circumferential direction, the rubber sleeves 363 are fixedly installed on the surfaces of the reeds 362, and the rectangular rubber 364 is symmetrically and fixedly installed at the inner side and the outer side of the rectangular plate 361;
the supporting plate 33 is driven to move by the electric push rod 32, so that the supporting plate 33 is in contact with the laminated floor slab and cannot interfere with the movement of the fixing device 4, the friction force between the fixing plate 31 and the supporting plate 33 is reduced by the balls 34, the aim of improving the working efficiency of the electric push rod 32 is fulfilled, the laminated floor slab is prevented from being scratched and damaged in the moving process by the rubber plate 35, and the laminated floor slab is positioned by the positioning block 36;
the friction between the fixed plate 31 and the rectangular long plate 42 is reduced by the air cushion;
make rectangular plate 361 further fix the coincide floor when fixed coincide floor through reed 362, when installing the coincide floor, reed 362 extrudees the coincide floor, makes the coincide floor further fixed, and rubber sleeve 363 prevents the coincide floor and receive the damage owing to receive the extrusion of reed 362, and rectangle rubber 364 further prevents that the coincide floor from aligning the end and receiving the scraping.
The fixing device 4 comprises a telescopic bracket 41, a rectangular long plate 42, a small motor 43, a rotating frame 44, a first gear 45, a second gear 46 and a lifting rope frame 47, the telescopic bracket 41 is fixedly installed at the front end of the fixing plate 31, the upper end of the telescopic bracket 41 is connected with the rectangular long plate 42 in a sliding fit manner, the small motor 43 is fixedly installed on the left side of the rectangular long plate 42 through a motor base, an output shaft at the rear end of the small motor 43 is fixedly connected with one end of the rotating frame 44 through a coupler, the other end of the rotating frame 44 is connected with the rear end of the rectangular long plate 42 in a sliding fit manner, the front end and the rear end of the right side of the rectangular long plate 42 are respectively connected with the front end and the rear end of the rotating frame 44 in a sliding fit manner, the first gears 45 are symmetrically and fixedly installed at the front ends of the rotating frames 44 at the left, the first gear 45 is meshed with the second gear 46, and a lifting rope rack 47 is fixedly arranged on the rotating rack 44;
cylindrical through holes are symmetrically and uniformly formed in the front side and the rear side of the rear end of the rectangular long plate 42, arc-shaped grooves are uniformly formed in the inner sides of the cylindrical through holes along the circumferential direction, and small balls are arranged in the arc-shaped grooves in a sliding fit manner;
the rotating frame 44 comprises a supporting rod 441, a first rotating block 442, a second rotating block 443 and a small roller 444, the supporting rod 441 is fixedly installed on an output shaft at the rear end of the small motor 43 through a coupler, the first rotating block 442 is fixedly installed at the rear end of the supporting rod 441, the second rotating block 443 is fixedly installed at the front end and the rear end of the middle part of the supporting rod 441, the small rollers 444 are evenly installed on the surfaces of the first rotating block 442 and the second rotating block 443 through pin shafts along the circumferential direction, and the other end of the supporting rod 441 is connected with the rear end of the supporting;
the hanging rope frame 47 comprises a steel wire rope 471, a first arc-shaped plate 472, a second arc-shaped plate 473 and a rubber ring 474, the rotating frame 44 is fixedly connected with one end of the steel wire rope 471, the other end of the steel wire rope 471 is connected with the first arc-shaped plate 472 in a sliding fit manner, the upper end of the first arc-shaped plate 472 is provided with a second arc-shaped plate 473 through a pin shaft, the lower ends of the first arc-shaped plate 472 and the second arc-shaped plate 473 are provided with matched key grooves, and the inner sides of the first arc-shaped plate 472 and the second arc-shaped;
the steel wire rope 471 is formed by winding six thin steel wires and one thick steel wire;
the inner surface of the rubber ring 474 is uniformly provided with small springs, the upper ends of the small springs are provided with arc-shaped blocks, and the surfaces of the arc-shaped blocks are rough;
the telescopic bracket 41 is matched with the rectangular long plate 42, so that the composite floor slab moves to the upper end of the positioning device 3, the rotating frame 44 is matched with the lifting rope frame 47 to achieve the purpose of controlling the hanging height of the composite floor slab, and the first gear 45 is matched with the second gear 46 to achieve the purpose of simultaneously controlling the lifting rope frames 47 at the left end and the right end to move, so that the composite floor slab is uniformly stressed to prevent the composite floor slab from being skewed;
the friction force of the steel wire rope 471 when the steel wire rope 471 moves on the overlapped floor slab is reduced through the small balls, and the service life of the steel wire rope 471 is prolonged;
the purpose of simultaneously rotating the steel wire rope 471 is achieved by matching the first rotating block 442 with the second rotating block 443, so that the stress of the laminated floor is uniform, and the purpose of lowering the steel wire rope 471, the first rotating block 442 and the second rotating block 443 by the small roller 444 is achieved, so that the purpose of raising the steel wire rope 471, the first rotating block 442 and the second rotating block 443 is achieved;
the first arc-shaped plate 472 is matched with the second arc-shaped plate 473 to fix the laminated floor slab, the laminated floor slab is further fixed through the key grooves at the lower ends of the first arc-shaped plate 472 and the second arc-shaped plate 473, and the rubber ring 474 prevents the inner sides of the first arc-shaped plate 472 and the second arc-shaped plate 473 from being scraped by reinforcing steel bars at the upper end of the laminated floor slab, so that the service life is shortened;
the possibility that the steel wire rope 471 is broken due to the fact that the steel wire rope is subjected to large friction force is reduced through the six thin steel wires, and the six thin steel wires are positioned by one thick steel wire, so that the service life of the steel wire rope 471 is prolonged;
the arc blocks are tightly attached to the laminated floor slab through the small springs, the arc plates with rough surfaces increase the friction force between the arc plates and the laminated floor slab, and the purpose of fixing the laminated floor slab is further achieved.
The moving device 1 comprises a lead plate 11, bearings 12, an inverted T-shaped frame 13 and rollers 14, wherein the lead plate 11 is fixedly arranged at the lower end of the hydraulic cylinder 2, the bearings 12 are fixedly arranged at four corners of the lower end of the lead plate 11, the inverted T-shaped frame 13 is fixedly arranged on the inner side of the bearings 12, and the front end and the rear end of the inverted T-shaped frame 13 are symmetrically connected with the rollers 14 in a sliding fit manner; the gravity center of the equipment is lowered through the lead plate 11 to prevent the equipment from being inclined due to overlarge stress on the upper end of the equipment, and the bearing 12 is matched with the inverted T-shaped frame 13 to achieve the purpose of enabling the roller 14 to move in any direction.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.