CN220011866U

CN220011866U - Hoisting device for prefabricated composite floor slab

Info

Publication number: CN220011866U
Application number: CN202321598322.1U
Authority: CN
Inventors: 李景科; 胡玲玲; 王冰; 李进; 吴长革
Original assignee: China Third Metallurgical Group Co Ltd
Current assignee: China Third Metallurgical Group Co Ltd
Priority date: 2023-06-21
Filing date: 2023-06-21
Publication date: 2023-11-14
Anticipated expiration: 2033-06-21

Abstract

The utility model relates to the technical field of prefabricated component lifting appliances, in particular to a lifting device for a prefabricated composite floor slab, which comprises a lifting main hook and prefabricated plates, wherein lifting rings are hung at the lower part of the lifting main hook, mounting boxes are arranged at the bottoms of the lifting rings, fixing seats are transversely arranged at the two sides of each mounting box, first sliding rails are transversely symmetrically arranged at the bottoms of the fixing seats, the bottoms of the first sliding rails at the adjacent sides are slidingly connected with the same sliding seat, hanging rods are vertically arranged at the two ends of the bottom of each sliding seat, lifting assemblies for lifting the prefabricated plates are arranged at the bottoms of the hanging rods, a plurality of groups of truss steel bars are equidistantly distributed at the tops of the prefabricated plates, and cables are symmetrically and slidingly inserted at the two sides of the bottom of each mounting box. The utility model can effectively avoid the damage of the precast slab and truss steel bars, and the stress points are arranged on the precast slab, thereby being beneficial to long-time long-distance precast slab hoisting operation and greatly improving the convenience of the precast slab in later use.

Description

Hoisting device for prefabricated composite floor slab

Technical Field

The utility model relates to the technical field of prefabricated part lifting appliances, in particular to a lifting device for prefabricated composite floor slabs.

Background

At present, a steel wire rope, a shoulder pole beam and a frame type integral shoulder pole beam or double chains are generally adopted for hoisting the prefabricated components in the prior art, the steel wire rope and the double chains of the prior art are adopted for being matched with a shackle or directly hung on the double chains for hoisting the prefabricated components, the prefabricated components are unbalanced in stress, the prefabricated components are easy to break or damage, the cost is high, the structure is complex, and the hoist is troublesome to install.

The utility model discloses a hoist device of prefabricated coincide floor through retrieving CN 202717497U, it includes calabash, two pairs of chains and three wire rope, couple device, its characterized in that the calabash constitute by two chain blocks, one of them hang on the main hook of hoisting crane, two other are hung on the chain block. The device can ensure that the prefabricated part is uniformly stressed during the drawing process due to the hand chain block, and can ensure that the prefabricated part is not deviated during the lifting process, thereby ensuring the use safety.

But the present inventors have found that this technical solution still has at least the following drawbacks:

in this technique, utilize the lifting hook to carry out direct couple to the truss reinforcing bar and lift by crane to the prefabricated plate, utilize the truss reinforcing bar for a long time and pull, can lead to the fact the destruction to the shape and the rule of reinforcing bar, even make prefabricated cement board structure, be unfavorable for later stage concrete placement, secondly this technique uses the chain to be connected to the truss reinforcing bar with the couple, consequently pull the position unfixed, after lifting by crane, the unstable condition of slope can take place for the prefabricated plate, and when meetting the great prefabricated plate of size, this technical scheme uses inconveniently.

Disclosure of Invention

Therefore, the utility model aims to provide a hoisting device for a prefabricated composite floor slab, which solves the problems that the prefabricated slab is inclined and unstable after being hoisted and the prefabricated cement slab structure is damaged in the prior art.

Based on the above purpose, the utility model provides a hoisting device for a prefabricated composite floor slab.

The utility model provides a hoist device of prefabricated coincide floor, includes lifts by crane primary hook and prefabricated slab, it is equipped with the lifting ring to lift by crane primary hook lower part, the lifting ring bottom is equipped with the installation case, the installation case both sides all transversely are equipped with the fixing base, the equal transverse symmetry in fixing base bottom is equipped with first slide rail, adjacent one side first slide rail bottom sliding connection has same slide, slide bottom both ends all are vertical to be equipped with the jib, the jib bottom all is equipped with the hoisting assembly that is used for lifting by crane the prefabricated slab, the equidistance distributes at prefabricated slab top has multiunit truss reinforcing bar, installation case bottom bilateral symmetry slip has inserted the hawser, the hawser bottom all is equipped with first auxiliary hook, first auxiliary hook lower part all hang respectively establish with adjacent one side truss reinforcing bar upper portion, the inside drive assembly that is used for controlling the prefabricated slab motion that is equipped with of installation case.

Further, the drive assembly comprises a winch transversely hinged to the inside of the installation box, the top ends of the mooring ropes are respectively fixed to two ends of the outer peripheral surface of the winch, one end of the winch is transversely provided with a motor, and an output shaft of the motor is coaxially connected with the winch.

Further, the lifting assembly comprises second auxiliary hooks which are hinged to the bottom of the hanging rod, connecting rings are respectively hung on the lower portions of the second auxiliary hooks, screw rods are vertically arranged on the bottom of the connecting rings, -shaped frames are respectively sleeved on the lower portions of the screw rods in a sliding mode, and the ends of the precast slabs are respectively sleeved on one sides of openings of the -shaped frames.

Further, the screw lower part is all threaded and is overlapped and is equipped with the nut, the nut is all fixed in shape frame top respectively, the screw bottom all rotates and is connected with the clamp plate, clamp plate bottom all offsets with the prefabricated plate top.

Further, fixed pulleys are symmetrically arranged on the bottom surface inside the installation box, and the mooring ropes are respectively and slidably connected to the tops of the fixed pulleys.

Further, the clamp plate is kept away from shape frame open end all vertical slip and is inserted and be equipped with the second slide rail, the second slide rail is fixed in shape frame inner wall respectively.

Further, the center of the bottom of the sliding seat is provided with a connecting seat, the same bidirectional screw rod is inserted in the connecting seat in a sliding mode, two ends of the bidirectional screw rod are sleeved with bearing seats, the bearing seats are respectively fixed to the bottom of the fixing seat, and screw nuts are symmetrically sleeved on the peripheral surfaces of the bidirectional screw rod and are respectively fixed to the outer walls of the connecting seat.

Further, one end of the bidirectional screw rod is coaxially provided with a rotating handle.

Further, reinforcing ribs are arranged at two ends of the top of the fixing seat, the reinforcing ribs are triangular, and one vertical side of the reinforcing ribs is connected with the side wall of the mounting box.

The utility model has the beneficial effects that:

1. according to the utility model, the mooring rope is wound when the winch rotates, at the moment, the mooring rope exerts a tensile force on the truss steel bar under the cooperation of the fixed pulleys, so that the precast slab is lifted to a certain height, the rotating handle drives the bidirectional screw rod to rotate, the sliding seat is driven to slide along the first sliding rail under the action of the connecting seat, the bottom suspender is driven to synchronously move when the sliding seat moves, the suspender drives the bottom -shaped frame to move until the -shaped frame is clamped on the upper side and the lower side of the precast slab, the motor can be controlled to reversely rotate at the moment, the tensile force of the truss steel bar is released, the subsequent bearing tensile force is controlled by the -shaped frame, and the precast slab is lifted in two steps.

2. According to the utility model, the rotating handle is utilized to drive the bidirectional screw rod to rotate, the sliding seat is driven to slide along the first sliding rail under the action of the connecting seat, and the hanging rod at the bottom is driven to synchronously move when the sliding seat moves, so that the -shaped frame can rapidly move.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the utility model and that other drawings can be obtained from them without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of an embodiment of the present utility model;

FIG. 2 is a schematic perspective view of an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of the internal structure of the mounting box according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a driving assembly according to an embodiment of the present utility model;

FIG. 5 is a schematic side view of an embodiment of the present utility model;

FIG. 6 is a schematic view of a lifting assembly according to an embodiment of the present utility model;

fig. 7 is a schematic diagram of a bi-directional screw and a mounting position of a connection seat according to an embodiment of the present utility model.

Marked in the figure as:

1. lifting a main hook; 2. a lifting ring; 3. a mounting box; 4. a prefabricated plate; 5. truss steel bars; 6. a first sub-hook; 7. a cable; 8. a fixed pulley; 9. a winch; 10. a motor; 11. a lifting assembly; 12. a second sub-hook; 13. a boom; 14. a slide; 15. a first slide rail; 16. a connecting seat; 17. a bidirectional screw rod; 18. a bearing seat; 19. a rotating handle; 20. a fixing seat; 21. reinforcing ribs; 1101. shaped shelves; 1102. a screw; 1103. a nut; 1104. a pressing plate; 1105. a second slide rail; 1106. and a connecting ring.

Detailed Description

The present utility model will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present utility model more apparent.

It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

As shown in fig. 1 to 7, a hoisting device for prefabricated composite floor slabs comprises a hoisting main hook 1 and prefabricated slabs 4, wherein a hoisting ring 2 is hung at the lower part of the hoisting main hook 1, a mounting box 3 is arranged at the bottom of the hoisting ring 2, fixing seats 20 are transversely arranged at two sides of the mounting box 3, first sliding rails 15 are transversely symmetrically arranged at the bottoms of the fixing seats 20, the bottoms of the first sliding rails 15 on the adjacent sides are slidably connected with the same sliding seat 14, hanging rods 13 are vertically arranged at the two ends of the bottoms of the sliding seats 14, hoisting components 11 for hoisting the prefabricated slabs 4 are vertically arranged at the bottoms of the hanging rods 13, a plurality of groups of truss steel bars 5 are equidistantly distributed at the tops of the prefabricated slabs 4, cables 7 are symmetrically inserted at the two sides of the bottom of the mounting box 3, first auxiliary hooks 6 are respectively hung at the upper parts of the truss steel bars 5 on the adjacent sides of the bottom of the mounting box 7, and driving components for controlling the prefabricated slabs 4 to move are arranged inside the mounting box 3.

In a specific embodiment, the driving assembly comprises a winch 9 transversely hinged in the installation box 3, the top ends of the cables 7 are respectively fixed at two ends of the outer peripheral surface of the winch 9, a motor 10 is transversely arranged at one end of the winch 9, and an output shaft of the motor 10 is coaxially connected with the winch 9.

Specifically, the lifting assembly 11 comprises a second auxiliary hook 12 hinged to the bottom of the boom 13, connecting rings 1106 are respectively hung on the lower portions of the second auxiliary hooks 12, screw rods 1102 are vertically arranged on the bottoms of the connecting rings 1106, -shaped frames 1101 are respectively sleeved on the lower portions of the screw rods 1102 in a sliding mode, and the ends of the prefabricated plates 4 are respectively sleeved on one sides of openings of the -shaped frames 1101.

Specifically, nuts 1103 are sleeved on the lower portion of each screw 1102 in a threaded manner, the nuts 1103 are respectively fixed at the top of the -shaped frame 1101, the bottoms of the screws 1102 are respectively connected with pressing plates 1104 in a rotating manner, and the bottoms of the pressing plates 1104 are respectively propped against the top of the precast slab 4.

Specifically, the inside bottom surface symmetry of install bin 3 is equipped with fixed pulley 8, and cable 7 is in fixed pulley 8 top in each sliding connection.

Specifically, the pressing plate 1104 is vertically inserted with a second sliding rail 1105 in a sliding manner at one end far away from the opening of the -shaped frame 1101, and the second sliding rails 1105 are respectively fixed on the inner wall of the -shaped frame 1101.

Specifically, the center of the bottom of the sliding seat 14 is provided with a connecting seat 16, the connecting seat 16 is slidably inserted with the same two-way screw rod 17, two ends of the two-way screw rod 17 are respectively sleeved with a bearing seat 18, the bearing seats 18 are respectively fixed at the bottom of the fixed seat 20, and the peripheral surfaces of the two-way screw rod 17 are symmetrically sleeved with screw nuts and are respectively fixed on the outer walls of the connecting seat 16.

Specifically, one end of the bidirectional screw rod 17 is coaxially provided with a rotating handle 19.

Specifically, both ends at the top of the fixing seat 20 are provided with reinforcing ribs 21, the reinforcing ribs 21 are triangular, and one vertical side is connected with the side wall of the installation box 3.

Working principle: when the hoisting device is used, the hoisting main hook 1 is connected with a crane, the hook part of the hoisting main hook is connected with the hoisting ring 2, then the first auxiliary hook 6 is firstly connected with the truss steel bar 5 at the top of the precast slab 4 in a hanging manner, then the motor 10 is started, the output shaft of the motor 10 drives the winch 9 to rotate, the cable 7 is wound when the winch 9 rotates, and at the moment, the cable 7 exerts a pulling force on the truss steel bar 5 under the cooperation of the fixed pulley 8, so that the precast slab 4 is hoisted to a certain height;

when the prefabricated plate 4 is lifted to a certain height, the rotating handle 19 is rotated to drive the bidirectional screw rod 17 to rotate, the sliding seat 14 is driven to slide along the first sliding rail 15 under the action of the connecting seat 16, the bottom suspension rod 13 is driven to synchronously move when the sliding seat 14 moves, the suspension rod 13 drives the bottom -shaped frame 1101 to move until the -shaped frame 1101 is clamped on the upper side and the lower side of the prefabricated plate 4, the motor 10 can be controlled to rotate reversely at the moment, the tension of the truss steel bar 5 is released, and the subsequent bearing tension is controlled by the -shaped frame 1101;

when the prefabricated plates 4 with different thicknesses are lifted, the connecting ring 1106 needs to be rotated to drive the screw 1102 to rotate, and the screw 1102 drives the bottom pressing plate 1104 to slide downwards along the second sliding rail 1105 under the action of the nut 1103 when rotating until the bottom gap of the pressing plate 1104 is the same as the thickness of the prefabricated plate 4.

The present utility model is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a hoist device of prefabricated coincide floor, includes lifts by crane main hook (1) and prefabricated plate (4), a serial communication port, lift by crane main hook (1) lower part and hang and be equipped with lifting ring (2), lifting ring (2) bottom is equipped with install bin (3), install bin (3) both sides all transversely are equipped with fixing base (20), fixing base (20) bottom all transverse symmetry is equipped with first slide rail (15), adjacent one side first slide rail (15) bottom sliding connection has same slide (14), slide (14) bottom both ends all are vertical to be equipped with jib (13), jib (13) bottom all is equipped with and is used for lifting by crane the hoisting assembly (11) of prefabricated plate (4), prefabricated plate (4) top equidistance distributes and has multiunit truss reinforcing bar (5), install bin (3) bottom bilateral symmetry sliding is inserted and is equipped with hawser (7), hawser (7) bottom all is equipped with first auxiliary hook (6), first auxiliary hook (6) lower part all hangs respectively and establishes with prefabricated plate (5) upper portion of adjacent one side, install bin (3) inside is equipped with control reinforcing bar (4) motion.

2. Hoisting device for prefabricated composite floor slab according to claim 1, characterized in that the driving assembly comprises a winch (9) transversely hinged inside the installation box (3), the top ends of the ropes (7) are respectively fixed at two ends of the outer peripheral surface of the winch (9), one end of the winch (9) is transversely provided with a motor (10), and the output shaft of the motor (10) is coaxially connected with the winch (9).

3. Hoisting device for prefabricated composite floor slab according to claim 2, characterized in that the hoisting assembly (11) comprises second auxiliary hooks (12) hinged to the bottom of the boom (13), connecting rings (1106) are respectively hung on the lower portions of the second auxiliary hooks (12), screw rods (1102) are vertically arranged on the bottoms of the connecting rings (1106), -shaped frames (1101) are respectively sleeved on the lower portions of the screw rods (1102), and one sides of openings of the -shaped frames (1101) are respectively sleeved on the end portions of the prefabricated slab (4).

4. A hoisting device for prefabricated composite floor slabs according to claim 3, characterized in that nuts (1103) are sleeved on the lower parts of the screw rods (1102) in a threaded mode, the nuts (1103) are respectively fixed on the tops of the -shaped frames (1101), pressing plates (1104) are respectively connected to the bottoms of the screw rods (1102) in a rotating mode, and the bottoms of the pressing plates (1104) are respectively propped against the tops of the prefabricated slabs (4).

5. Hoisting device for prefabricated composite floor slab according to claim 4, characterized in that fixed pulleys (8) are symmetrically arranged on the inner bottom surface of the installation box (3), and the cables (7) are respectively and slidably connected to the tops of the fixed pulleys (8).

6. The hoisting device for the prefabricated composite floor slab according to claim 5, wherein a second sliding rail (1105) is vertically and slidably inserted into one end, far away from an opening of the -shaped frame (1101), of the pressing plate (1104), and the second sliding rails (1105) are respectively fixed on the inner wall of the -shaped frame (1101).

7. The hoisting device for the prefabricated composite floor slab according to claim 6, wherein connecting seats (16) are respectively arranged at the centers of the bottoms of the sliding seats (14), the same bidirectional screw rods (17) are slidably inserted into the connecting seats (16), bearing seats (18) are respectively sleeved at two ends of the bidirectional screw rods (17), the bearing seats (18) are respectively fixed at the bottoms of the fixing seats (20), screw nuts are symmetrically sleeved on the outer peripheral surfaces of the bidirectional screw rods (17), and the screw nuts are respectively fixed on the outer walls of the connecting seats (16).

8. Hoisting device for prefabricated composite floor slabs according to claim 7, characterized in that one end of the bi-directional screw (17) is coaxially provided with a turning handle (19).

9. The hoisting device for the prefabricated composite floor slab according to claim 8, wherein reinforcing ribs (21) are arranged at two ends of the top of the fixing seat (20), the reinforcing ribs (21) are triangular, and one vertical side of each reinforcing rib is connected with the side wall of the installation box (3).