ALC plate lifting device

Abstract

The ALC plate lifting device comprises a portal frame, a winch and a clamp, the portal frame comprises portal frame supporting legs arranged on the two sides and a portal frame cross rod connected with the portal frame supporting legs, a lifting hook is arranged at the end of a steel wire rope of the winch, and the upper portion of the winch is connected with a plurality of sets of pulleys through a connecting plate. The pulley is in rolling connection with the upper end of a cross rod of the portal frame, the clamp comprises a left clamping rod and a right clamping rod, the upper end of the left clamping rod is vertically connected with a connecting rod, the end of the connecting rod is rotatably connected with the upper end of the right clamping rod, the upper end of the right clamping rod is vertically connected with a lifting rod, the lifting rod is located above the connecting rod, and a lifting lug is arranged on the upper side of the lifting rod to be connected with a lifting hook. The lower ends of the left clamping rod and the right clamping rod are fixedly connected with an end plate, the left clamping rod and the right clamping rod clamp and fix the two sides of an ALC plate, and the end plate extends towards the inner side and the left side and the right side to fix the lower end of the ALC plate. According to the lifting device, the ALC plate can be quickly lifted, the whole carrying process is low in labor investment and simple and convenient to operate, and the construction efficiency is greatly improved.

Description

Technical Field

[0001] This utility model belongs to the technical field of building construction, and specifically relates to an ALC panel lifting device. Background Technology

[0002] With the increasing prefabricated construction, prefabricated partition walls are an indispensable part of prefabricated buildings. Among them, ALC aerated concrete panel walls are representative. ALC panels are modularly 600mm wide, and the density of the panels is about 598kg / m³. The panels are quite heavy, and after being transported to the construction site, the materials need to be moved and distributed with the help of a portable tool.

[0003] The current practice involves manually prying up the boards using tools such as crowbars. Steel pipes are then used to support the boards at both ends, creating a temporary ramp between the ground and the bottom of the boards, allowing the boards to be moved onto a trolley. This method involves repeatedly prying up the boards with crowbars, resulting in severe surface damage, widespread chipping and broken edges, and poor appearance. Furthermore, the limited operating space when loading and unloading boards from the unloading platform poses a safety hazard. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides an ALC plate lifting device.

[0005] The technical solution adopted by this utility model is an ALC plate lifting device, including a gantry frame, a winch, and a clamp. The gantry frame includes gantry frame legs on both sides and a gantry frame crossbar connecting the gantry frame legs. A hook is provided at the end of the wire rope of the winch. Multiple sets of pulleys are connected to the top of the winch through a connecting plate. The pulleys are rotatably connected to the upper end of the gantry frame crossbar. The clamp includes a left clamp and a right clamp. The upper end of the left clamp is vertically connected to a connecting rod. The end of the connecting rod is rotatably connected to the upper end of the right clamp. The upper end of the right clamp is vertically connected to a lifting rod. The lifting rod is located above the connecting rod. A lifting lug is provided on the upper side of the lifting rod to connect to the hook. The lower ends of the left and right clamps are fixedly connected to end plates. The left and right clamps clamp and fix both sides of the ALC plate. The end plates extend inward and to the left and right sides to fix the lower end of the ALC plate.

[0006] Furthermore, fixed shafts are fixed on the front and rear sides of the right clamping rod, and rotating sleeves are rotatably connected to the fixed shafts. Connecting brackets are provided on both sides of the end of the connecting rod to fix the rotating sleeves on both sides of the fixed shafts respectively.

[0007] Furthermore, the clamps are made of 25mm diameter ribbed steel bars and 12mm diameter plain round steel bars.

[0008] Furthermore, the end plate is made of a steel plate with a thickness of 10mm and a size of 100×50mm.

[0009] Furthermore, the lifting lug at the top of the right clamp is made of 12mm plain round steel bar bent into a 50mm R semi-circle, and the two ends of the steel bar are welded to the lifting rod on both sides for fixation, with a welding length of not less than 50mm.

[0010] Compared with the prior art, this utility model has the following advantages:

[0011] 1. Improved applicability to meet the hoisting needs of different specifications of plates. The clamps of this device can be adjusted according to the different modules of ALC plates, making it suitable for plates of different widths. Clamps of different sizes can be manufactured on-site using the same principle, greatly enhancing applicability and versatility to meet the needs of different projects.

[0012] 2. Reduced manual handling and improved construction efficiency: The use of a gantry crane, electric winch, and clamping structure allows for rapid lifting of ALC panels, avoiding the inefficient methods of traditional prying with crowbars and manual handling. The entire handling process requires minimal manual labor, is easy to operate, and greatly improves construction efficiency.

[0013] 3. It can reduce the damage rate of the sheet material and improve the construction quality. The clamp adopts a reasonable structural design, which makes it evenly stressed on the sheet material during the lifting process, avoiding local stress concentration and reducing the problem of chipped edges and corners caused by improper clamping. At the same time, the clamp end plate has as much contact with the surface of the sheet material as possible, reducing wear on the surface of the sheet material and improving the quality of the finished sheet material.

[0014] 4. Enhances safety and reduces construction risks. Traditional handling methods require workers to operate at close range, posing safety hazards. This device uses clamps, allowing construction personnel to simply align the clamps, avoiding direct contact with the materials and reducing safety risks caused by material slippage or misoperation.

[0015] 5. Economical and practical, with recyclable resources. The device is made by welding scrap steel bars and steel plates from on-site construction, resulting in low material costs and simple manufacturing. After construction, the steel in the clamps can be recycled, improving resource utilization and possessing high economic benefits and environmental value. Attached Figure Description

[0016] Figure 1 This is a front view of the present invention;

[0017] Figure 2 This is a side view of the gantry frame of this utility model;

[0018] Figure 3 This is a front view of the fixture of this utility model;

[0019] Figure 4 This is a top view of the fixture of this utility model.

[0020] In the diagram: 1. Gantry frame support leg; 2. Gantry frame crossbar; 3. Winch; 4. Connecting plate; 5. Pulley; 6. Clamp; 61. Left clamp; 62. Connecting rod; 63. Connecting frame; 64. Right clamp; 65. Lifting rod; 66. Lifting lug; 67. Fixed shaft; 68. Rotating sleeve; 69. End plate. Detailed Implementation

[0021] To better understand the purpose, structure, and function of this utility model, the following description, in conjunction with the accompanying drawings, provides a more detailed account of an ALC plate lifting device of this utility model.

[0022] like Figures 1-4 As shown, an ALC sheet lifting device includes a gantry frame, a winch 3, and a clamp 6. The gantry frame includes gantry legs 1 on both sides and a gantry crossbar 2 connecting the gantry legs 1. The wire rope end of the winch 3 is equipped with a hook. Multiple sets of pulleys 5 are connected to the top of the winch 3 via a connecting plate 4. The pulleys 5 are rotatably connected to the upper end of the gantry crossbar 2. The clamp 6 includes a left clamp 61 and a right clamp 64. The upper end of the left clamp 61 is vertically connected to a connecting rod 62. The end of the connecting rod 62 is rotatably connected to the upper end of the right clamping rod 64. The upper end of the right clamping rod 64 is vertically connected to the lifting rod 65. The lifting rod 65 is located above the connecting rod 62. The upper side of the lifting rod 65 is provided with a lifting lug 66 to connect to the hook. The lower ends of the left clamping rod 61 and the right clamping rod 64 are fixedly connected to the end plate 69. The left clamping rod 61 and the right clamping rod 64 clamp and fix both sides of the ALC plate. The end plate 69 extends inward and to the left and right sides to fix the lower end of the ALC plate.

[0023] In this embodiment, the gantry is a temporary gantry erected using steel pipe fasteners. The winch 3 is fixed to the crossbar 2 of the gantry by two sets of pulleys 5, so that the winch 3 can move freely in the lateral direction.

[0024] The clamp 6 is made of 25mm diameter ribbed steel bars and 12mm diameter plain round steel bar scrap. Specifically, the left clamp rod 61 is made of φ25mm ribbed steel bars into an L-shape to form the upper connecting rod 62. The end is welded with a 100×50×10mm (length×width×thickness) steel plate as the end plate 69. The function of the end plate 69 is to lift the ALC plate, increase the contact area between the clamp and the ALC plate, minimize the wear on the plate surface, and ensure the safety of lifting the plate.

[0025] The right clamp 64 is also made of φ25mm ribbed steel bars in an L-shape to form the upper lifting rod 65. A 100×50×10mm (length×width×thickness) steel plate is welded to the end as an end plate 69. The top uses a φ12mm plain round steel bar bent into a R50mm semi-circular lifting lug 66. The two ends of the lifting lug 66 are fixed to the lifting rod 65 by double-sided welding, with a welding length of not less than 50mm. At the corner of the right clamp 64, a 25mm steel bar with a length of 80mm is welded perpendicularly to the plane at the elbow to serve as a fixing axis 67.

[0026] The connecting mechanism consists of a connecting frame 63 and a rotating sleeve 68. The rotating sleeve 68 is made of 5mm thick steel plate with a diameter of φ26mm and a length of 18mm. The connecting frame 63 is made of bent plain round steel bars. The rotating sleeve 68 is welded firmly to the connecting frame 63. The fixed shaft 67 is clamped on both sides by the connecting mechanism and then welded to the end of the connecting rod 62.

[0027] When lifting the ALC sheet, clamp 6 is positioned in the middle of the ALC sheet, with the end plate 69 at the end of clamp 6 making as much contact as possible with the surface of the ALC sheet. The winch 3 is then slowly lifted. Due to the lever principle, the right clamping rod 64, with the fixed shaft 67 as its fulcrum, tightens inwards at the bottom during lifting, providing lateral axial force until the ALC sheet is clamped. After clamp 6 lifts the ALC sheet, the winch 3, wire rope, and the center of gravity of the ALC sheet are on the same vertical line. After applying a horizontal force, the force-bearing system moves horizontally above the trolley via pulley 5. The wire rope is then slowly lowered, placing the ALC sheet onto the trolley at a uniform speed and stably.

[0028] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this utility model.

Claims

1. An ALC plate lifting device, characterized in that, The system includes a gantry frame, a winch (3), and a clamp (6). The gantry frame includes gantry support legs (1) on both sides and a gantry crossbar (2) connecting the gantry support legs (1). The wire rope end of the winch (3) is equipped with a hook. Multiple sets of pulleys (5) are connected above the winch (3) via a connecting plate (4). The pulleys (5) are tumbling to the upper end of the gantry crossbar (2). The clamp (6) includes a left clamp (61) and a right clamp (64). The upper end of the left clamp (61) is vertically connected to a connecting rod (62). The connecting rod (64) is connected to the connecting rod (64). 2) The end of the rod is rotatably connected to the upper end of the right clamp (64). The upper end of the right clamp (64) is vertically connected to the lifting rod (65). The lifting rod (65) is located above the connecting rod (62). The upper side of the lifting rod (65) is provided with a lifting lug (66) to connect the hook. The lower ends of the left clamp (61) and the right clamp (64) are fixedly connected to the end plate (69). The left clamp (61) and the right clamp (64) clamp and fix the two sides of the ALC plate. The end plate (69) extends inward and to the left and right sides to fix the lower end of the ALC plate.

2. The ALC plate lifting device according to claim 1, characterized in that, The right clamp (64) has a fixed shaft (67) fixed on both the front and rear sides. A rotating sleeve (68) is rotatably connected to the fixed shaft (67). A connecting bracket (63) is provided on both sides of the end of the connecting rod (62) to fix the rotating sleeve (68) on both sides of the fixed shaft (67).

3. The ALC plate lifting device according to claim 2, characterized in that, The clamp (6) is made of 25mm diameter ribbed steel bars and 12mm diameter plain round steel bars.

4. The ALC plate lifting device according to claim 3, characterized in that, The end plate (69) is made of a steel plate with a thickness of 10 mm and a size of 100×50 mm.

5. The ALC plate lifting device according to claim 4, characterized in that, The lifting lug (66) at the top of the right clamp (64) is made of 12mm plain round steel bar bent into a semi-circle of R50mm. The two ends of the steel bar are welded to the lifting rod (65) on both sides and the welding length is not less than 50mm.

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