Adjustable lifting appliance for lifting PC wall

By designing an adjustable lifting device and utilizing a servo motor to drive a bevel gear and rotating rod system, the protection of holes and the flexible adaptation of the lifting device during the installation of PC walls were achieved, solving the problems of hole wear and frequent replacement of lifting devices, and improving the installation efficiency.

CN223522135UActive Publication Date: 2025-11-07THE SECOND CONSTRUCTION CO LTD OF CHINA CONSTRUCTION THIRD ENGINEERING BUREAU
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Patent Information

Application Number
CN202422737217.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-11-07
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

In the current process of installing PC walls, the edges of the holes are easily worn and the lifting tools need to be frequently replaced to adapt to walls of different lengths, which makes it inconvenient to use.

Method used

Design an adjustable lifting device that uses a servo motor to drive a bevel gear and a rotating rod system. The internal threaded sleeve drives the tension plate to move, achieving precise alignment between the docking hole and the PC wall hanging hole. The insertion rod is then inserted and fixed, eliminating the need to replace the lifting device.

Benefits of technology

It enables flexible hoisting of PC walls of different lengths, reduces the frequency of changing hoisting tools, protects the edges of holes, and improves hoisting efficiency and convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an adjustable lifting appliance for lifting a PC wall, which comprises a balance lifting frame, rotating holes are formed in the outer walls of the two sides of the balance lifting frame, the inner walls of the two rotating holes are movably connected with rotating rods through open holes by using bearings, first bevel gears are fixedly arranged on the outer walls of the rotating rods, and second bevel gears are fixedly arranged on the outer walls of the rotating rods. A vertically-downward servo motor is fixedly arranged in the center of the outer wall of the top of the balance hanging frame. The output shaft of the servo motor drives the second bevel gear to rotate, the second bevel gear drives the rotating rod to rotate through the first bevel gear, and the rotating rod rotates on the inner wall of the internal thread sleeve, so that the tension plate arranged at the bottom of the guide sleeve is driven to move, and a butt joint hole formed in the tension plate is conveniently aligned with a lifting hole in a PC wall; and then inserting rods are inserted into the butt joint holes and the lifting holes in the PC walls, so that the lifting appliance can lift the PC walls with different lengths.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hoisting equipment technical field, concretely relates to a adjustable hoist for PC wall hoisting. BACKGROUND

[0002] PC building is a kind of building form of prefabricated assembly building or industrialized building, and PC wall is a kind of wall used in assembly building.

[0003] The existing PC wall is usually provided with holes on both sides of the top in the production process, to facilitate the hoisting equipment to transport it, but the position used by PC wall is different, so the position of the hole opened on PC wall is different, (PC wall hoist hole is deep, and the edge part of hole is easy to wear in the hoisting process by using rope to pass through hole, to cause damage to PC wall) it needs to use corresponding hoist to pass through hole to hoist, and it is very inconvenient to frequently change hoist to hoist different length wall, so we provide a adjustable hoist for PC wall hoisting. SUMMARY

[0004] The utility model aims at providing a adjustable hoist for PC wall hoisting to solve the above-mentioned shortcomings in the prior art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a adjustable hoist for PC wall hoisting, including balance frame, the both sides outer wall of balance frame is opened with rotating hole, and the inner wall of two rotating holes is movably connected with rotating rod by using bearing, the outer wall position of rotating rod is fixedly provided with first bevel gear, the top outer wall central position of balance frame is fixedly provided with vertical downward servo motor, the output shaft of servo motor is fixedly provided with second bevel gear through the top outer wall of balance frame, second bevel gear is engaged with first bevel gear, the both sides outer wall of rotating rod is sleeved with internal thread sleeve, the bottom both sides of balance frame are respectively fixedly provided with two positioning plates, the corresponding one side outer wall of positioning plate is fixedly provided with two guide rods, the both ends outer wall of guide rod is slidably connected with guide sleeve, the bottom outer wall of guide sleeve is fixedly provided with vertical downward tension plate, the bottom outer wall of tension plate is opened with butt joint hole, and the inner wall of butt joint hole is inserted with inserting rod.

[0006] Preferably, the top both sides outer wall of balance frame is fixedly provided with hanging plate, and the one side outer wall of two hanging plates is opened with hanging joint hole, so as to facilitate the connection between the utility model and hoisting equipment through the hanging joint hole opened on the top of hanging plate.

[0007] Preferably, the top central position of the balance lifting frame is fixedly provided with a motor fixing cover, the servo motor is fixed to the inner wall of the motor fixing cover, and the servo motor at the top of the balance lifting frame can be protected through the motor fixing cover.

[0008] Preferably, the two outer walls of the rotating rod are provided with symmetrical thread grooves, the rotating rod is threadedly connected with the inner walls of the inner threaded sleeves through the thread grooves, and the two inner threaded sleeves can be moved in different directions through rotation of the rotating rod.

[0009] Preferably, the bottom outer wall of the two inner threaded sleeves is fixedly provided with a connecting plate, and the connecting plate is fixedly connected with the outer wall of the guide sleeve.

[0010] Preferably, the outer wall of one end of the inserting rod is provided with a positioning hole, and a bolt is inserted into the inner wall of the positioning hole, so that the inserting rod is prevented from falling off from the inner wall of the butt joint hole.

[0011] In the above technical solution, the technical effects and advantages of the utility model are provided:

[0012] The output shaft of the servo motor drives the second bevel gear to rotate, the second bevel gear drives the rotating rod to rotate through the first bevel gear, the rotating rod rotates on the inner wall of the inner threaded sleeve, so that the tension plate provided at the bottom of the guide sleeve is moved, the butt joint hole provided on the tension plate is aligned with the lifting hole on the PC wall, then the inserting rod is inserted into the butt joint hole and the lifting hole on the PC wall, so that the utility model can hoist and carry the PC wall with different lengths without replacing the lifting appliance, and the utility model is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can be obtained by those skilled in the art according to these drawings.

[0014] Fig. 1 It is a perspective structural schematic view of the utility model for a PC wall hoisting adjustable lifting appliance.

[0015] Fig. 2 It is a balance lifting frame cross-sectional structural schematic view of the utility model for a PC wall hoisting adjustable lifting appliance.

[0016] Fig. 3 It is a tension plate structural schematic view of the utility model for a PC wall hoisting adjustable lifting appliance.

[0017] MARKING OF DRAWINGS:

[0018] 1 balance frame, 2 hanging plate, 3 hanging hole, 4 rotating hole, 5 rotating rod, 6 first bevel gear, 7 motor cover, 8 servo motor, 9 second bevel gear, 10 positioning plate, 11 guide rod, 12 inner threaded sleeve, 13 guide sleeve, 14 connecting plate, 15 tension plate, 16 butt joint hole, 17 plug rod, 18 positioning hole, 19 bolt. DETAILED DESCRIPTION

[0019] In the following, a plurality of embodiments of the present application will be disclosed with reference to the drawings. For the purpose of clear illustration, many details of the embodiments will be described in the following description. However, it should be understood that these details of the embodiments are not intended to limit the present application. That is, in some embodiments of the present application, these details of the embodiments are not necessary. In addition, for the purpose of simplifying the drawings, some conventional structures and components will be shown in the drawings in a simple schematic manner.

[0020] In addition, in the present application, the description such as "first", "second", etc. is only for the purpose of description, and does not mean to particularly indicate the order or sequence, nor to limit the present application. It is merely for the purpose of distinguishing components or operations described by the same technical terms. It should not be understood as indicating or implying the relative importance of the technical features indicated or the number of technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it. When the combination of technical solutions contradicts each other or cannot be realized, it should be considered that the combination of technical solutions does not exist, nor is it within the protection scope required by the present application.

[0021] Embodiment one

[0022] Referring to the drawings Figs. 1-3 A adjustable lifting device for PC wall hoisting, including balance frame 1, the outer wall of both sides of balance frame 1 is provided with rotating hole 4, the inner wall of two rotating holes 4 is movably connected with rotating rod 5 by using bearing, the outer wall of rotating rod 5 is fixedly provided with first bevel gear 6, the central position of the top outer wall of balance frame 1 is fixedly provided with vertical downward servo motor 8, the output shaft of servo motor 8 is fixedly provided with second bevel gear 9 through the top outer wall of balance frame 1, second bevel gear 9 is engaged with first bevel gear 6, the outer wall of both sides of rotating rod 5 is sleeved with inner threaded sleeve 12, the bottom of both sides of balance frame 1 is fixedly provided with two positioning plates 10, the outer wall of one side of positioning plate 10 is fixedly provided with two guide rods 11, the outer wall of both ends of guide rod 11 is slidably connected with guide sleeve 13, the bottom outer wall of guide sleeve 13 is fixedly provided with vertical downward tension plate 15, the bottom outer wall of tension plate 15 is provided with butt joint hole 16, plug rod 17 is inserted into the inner wall of butt joint hole 16.

[0023] Embodiment two

[0024] Based on the basis of embodiment one, the top two sides of the outer wall of the balance hanging frame 1 are fixedly provided with hanging plates 2, one side of the outer wall of the two hanging plates 2 is provided with a hanging connecting hole 3, the utility model is connected with hoisting equipment through the hanging connecting hole 3 in the top of the hanging plate 2, the top central position of the balance hanging frame 1 is fixedly provided with a motor fixing cover 7, a servo motor 8 is fixed to the inner wall of the motor fixing cover 7, the servo motor 8 at the top of the balance hanging frame 1 can be protected through the motor fixing cover 7, the two sides of the outer wall of the rotating rod 5 are provided with symmetrical thread grooves, the rotating rod 5 is screwedly connected with the inner wall of the inner thread sleeve 12 through the thread groove, the two inner thread sleeves 12 can be driven to move in different directions through the rotation of the rotating rod 5.

[0025] Embodiment three

[0026] Based on the basis of embodiment one, the bottom outer wall of the two inner thread sleeves 12 is fixedly provided with a connecting plate 14, the connecting plate 14 is fixedly connected with the outer wall of the guide sleeve 13, the outer wall of one end of the inserting rod 17 is provided with a positioning hole 18, the inner wall of the positioning hole 18 is inserted with a bolt 19, the inserting rod 17 can be prevented from falling off from the inner wall of the butt joint hole 16 through the insertion of the bolt 19 into the inner wall of the positioning hole 18.

[0027] The working principle of the utility model:

[0028] With reference to the drawings in the specification Figs. 1-3 When the utility model is used, the lifting ropes of the hoisting equipment are connected with the hanging connecting holes 3 in the top hanging plates 2 of the balance hanging frame 1, the utility model is controlled through the hoisting equipment, when the utility model is used, the two tension plates 15 are moved to the top two sides of the PC wall through the hoisting equipment, at this time, the output shaft of the servo motor 8 drives the second bevel gear 9 to rotate, the second bevel gear 9 drives the rotating rod 5 to rotate through the first bevel gear 6, the rotating rod 5 rotates in the inner wall of the inner thread sleeve 12, thereby driving the tension plate 15 arranged at the bottom of the guide sleeve 13 to move, the butt joint hole 16 in the tension plate 15 is aligned with the lifting hole in the PC wall, then the inserting rod 17 is inserted into the butt joint hole 16 and the lifting hole in the PC wall, the hoisting equipment does not need to be replaced to hoist the PC wall of different lengths, it is convenient to use, after the inserting rod 17 is inserted into the lifting hole in the PC wall, the bolt 19 is inserted into the inner wall of the positioning hole 18, the inserting rod 17 can be prevented from falling off in the inner wall of the butt joint hole 16, then the utility model and the PC wall body are hoisted through the hoisting equipment, after the PC wall is hoisted to the specified position, the bolt 19 is pulled out from the inner wall of the positioning hole 18, the inserting rod 17 is pulled out from the inner wall of the butt joint hole 16 and the PC wall.

[0029] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. An adjustable hoist for PC wall hoisting, comprising a balanced hoisting frame (1), characterized in that: The both sides outer wall of said balance hanging frame (1) is provided with rotating hole (4), the inner wall of two said rotating hole (4) is movably connected with rotating rod (5) through opening bearing, the outer wall of said rotating rod (5) is fixedly provided with first bevel gear (6), the top outer wall of said balance hanging frame (1) is fixedly provided with vertical downward servo motor (8) in central position, the output shaft of said servo motor (8) is fixedly provided with second bevel gear (9) through the top outer wall of balance hanging frame (1), said second bevel gear (9) is engaged with first bevel gear (6), the both sides outer wall of said rotating rod (5) is sleeved with internal thread sleeve (12), the bottom of said balance hanging frame (1) is respectively fixedly provided with two positioning plate (10), the corresponding side outer wall of said positioning plate (10) is fixedly provided with two guide rod (11), the both ends outer wall of said guide rod (11) is slidably connected with guide sleeve (13), the bottom outer wall of said guide sleeve (13) is fixedly provided with vertical downward tension plate (15), the bottom outer wall of said tension plate (15) is provided with butt joint hole (16), the inner wall of said butt joint hole (16) is inserted with plug rod (17).

2. An adjustable spreader for PC wall hoisting according to claim 1, characterized in that: The top both sides outer wall of said balance hanging frame (1) is fixedly provided with hanging plate (2), the side outer wall of two said hanging plate (2) is provided with hanging joint hole (3).

3. The adjustable spreader for PC wall hoisting according to claim 1, characterized in that: The top central position of said balance hanging frame (1) is fixedly provided with motor fixed cover (7), said servo motor (8) is fixed to the inner wall of motor fixed cover (7).

4. The adjustable spreader for PC wall hoisting according to claim 1, characterized in that: The both sides outer wall of said rotating rod (5) is provided with symmetrical thread groove, said rotating rod (5) is threadedly connected with the inner wall of internal thread sleeve (12) through thread groove.

5. The adjustable spreader for PC wall hoisting according to claim 1, characterized in that: The bottom outer wall of two said internal thread sleeve (12) is fixedly provided with connecting plate (14), said connecting plate (14) is fixedly connected with the outer wall of guide sleeve (13).

6. An adjustable spreader for PC wall hoisting according to claim 1, characterized in that: The end outer wall of said plug rod (17) is provided with positioning hole (18), the inner wall of said positioning hole (18) is inserted with plug pin (19).