Hoisting device with counterbalance

Abstract

This utility model discloses a lifting device with a balancing structure, relating to the field of lifting equipment. It includes a main plate, which is a semi-circular shape with an upward-opening design. A rotating shaft is rotatably connected to the main plate, and connecting plates are fixedly connected to both the front and rear ends of the shaft. A lifting ring is fixed to the upper end of each connecting plate. A buffer mechanism includes two moving blocks symmetrically and slidably connected within the main plate. A connecting rod is hinged below each moving block, and a through groove is formed on the connecting rod. An arc-shaped groove is formed within the main plate, curving along the edge of the main plate. A sliding column is slidably connected within the through groove, and the sliding column is slidably connected to the arc-shaped groove. The beneficial effect is that when the main plate sways, the connecting rod rotates around the hinge axis of the moving blocks, causing the sliding column to slide between the through groove and the arc-shaped groove. Simultaneously, the sliding column slides between the sliding column and the arc-shaped groove, thereby applying a radial force to the main plate through the arc-shaped groove, thus mitigating the sway of the main plate and compensating for gravity.

Description

Technical Field

[0001] This utility model relates to the field of lifting tools, and in particular to a lifting device with a balancing structure. Background Technology

[0002] In petrochemical and glass production, large kilns are crucial core equipment. They are large in scale and complex in structure. The installation of production parts, maintenance and repair processes cannot be separated from hoisting operations. Hoisting equipment with a balanced structure is mainly used to solve problems such as uneven force and cargo tilting during hoisting, ensuring the safety and accuracy of hoisting operations.

[0003] A search revealed Chinese patent publication number CN222860919U, which discloses an automatic lifting and balancing device and a balancing lifting equipment. This patent describes a device where, when the supporting main beam tilts, a slider on one side slides along a sliding groove to approach a sensor. When the slider approaches the sensor, the control drive mechanism drives the transmission frame to move in the corresponding direction to adjust the balance of the supporting main beam. However, this device has certain problems: it requires waiting for the slider to contact the sensor before the balance adjustment can be triggered; and it cannot compensate for the center of gravity when tilting occurs, which may lead to risks due to the sudden tilting of the hoisted object. Utility Model Content

[0004] The purpose of this invention is to provide a hoisting device with a balanced structure in order to solve the above-mentioned problems.

[0005] This utility model achieves the above objectives through the following technical solutions:

[0006] A hoisting device with a balancing structure includes a main plate, which is a semi-circular shape with an upward opening. The main plate is rotatably connected to a rotating shaft, which is coaxial with the main plate. Connecting plates are fixedly connected to the front and rear ends of the rotating shaft. A lifting ring is fixed to the upper end of the connecting plate. A moving mechanism and a buffer mechanism are provided inside the main plate.

[0007] The buffer mechanism includes two movable blocks that are symmetrically slidably connected within the main body plate. A connecting rod is hinged below each movable block, and a through groove is provided on the connecting rod. An arc-shaped groove is provided within the main body plate, and the arc-shaped groove is arc-shaped along the edge of the main body plate. A sliding column is slidably connected within the through groove, and the sliding column is slidably connected to the arc-shaped groove.

[0008] Preferably, the moving mechanism includes a bidirectional lead screw, which is rotatably connected inside the main body plate and threadedly connected to the moving block.

[0009] Preferably, a power motor is fixedly installed on one side of the main body plate, and the output shaft of the power motor is fixedly connected to a bidirectional lead screw.

[0010] Preferably, the upper end of the main body plate has two sliding grooves, which are symmetrical about the axis of rotation, and a sliding plate is slidably connected in the sliding grooves.

[0011] Preferably, a counterweight is fixedly installed on the upper end of the sliding plate, and a locking knob is threadedly connected to the front end of the sliding plate, with the locking knob abutting against the upper end of the main body plate.

[0012] Preferably, a mounting plate is fixedly connected to the lower end of the connecting rod, and a fixing hook is fixedly connected to the lower end of the mounting plate.

[0013] Preferably, symmetrical fixing rings are fixedly connected to the upper end of the main body plate, and a lifting rope is connected between the fixing rings and the lifting ring.

[0014] The beneficial effect is that when the main plate sways, the connecting rod rotates around the hinge axis of the moving block, causing the sliding column to slide with the through groove and simultaneously with the arc groove. This allows the sliding column to apply a radial force to the main plate through the arc groove, thereby alleviating the sway of the main plate and compensating for gravity.

[0015] The additional technical features and advantages of this utility model will become more apparent from the following description, or may be learned through specific practice of this utility model. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the following detailed description to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0017] Figure 1 This is a perspective view of a hoisting device with a balancing structure as described in this utility model;

[0018] Figure 2 yes Figure 1 Enlarged view of point A;

[0019] Figure 3 This is a front view of a hoisting device with a balancing structure as described in this utility model;

[0020] Figure 4 This is a schematic diagram of the interior of the main body plate of a hoisting device with a balancing structure according to the present invention;

[0021] Figure 5 This is a right view of a hoisting device with a balancing structure as described in this utility model.

[0022] The reference numerals in the attached drawings are explained as follows: 101, main body plate; 102, rotating shaft; 103, connecting plate; 201, fixing ring; 202, lifting rope; 301, double-acting screw; 302, moving block; 303, power motor; 401, connecting rod; 402, through groove; 403, arc groove; 404, sliding column; 501, mounting plate; 502, fixing hook; 601, sliding groove; 602, sliding plate; 603, counterweight; 7, locking knob. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] The present invention will be further described below with reference to the accompanying drawings:

[0026] like Figures 1-5 As shown, a hoisting device with a balancing structure includes a main plate 101, which is a semi-circular shape with an upward opening. The main plate 101 is rotatably connected to a rotating shaft 102, which is coaxial with the main plate 101. Connecting plates 103 are fixedly connected to both the front and rear ends of the rotating shaft 102. A lifting ring is fixed to the upper end of the connecting plate 103. A moving mechanism and a buffer mechanism are provided inside the main plate 101.

[0027] The buffer mechanism includes two movable blocks 302, which are symmetrically slidably connected within the main body plate 101. A connecting rod 401 is hinged below each movable block 302. A through groove 402 is provided on the connecting rod 401. An arc-shaped groove 403 is provided within the main body plate 101, and the arc-shaped groove 403 is arc-shaped along the edge of the main body plate 101. A sliding column 404 is slidably connected within the through groove 402. The sliding column 404 is slidably connected to the arc-shaped groove 403. When the main body plate 101 sways, the connecting rod 401 rotates around the hinge axis of the movable block 302, causing the sliding column 404 to slide with the through groove 402 and simultaneously with the arc-shaped groove 403. This allows the sliding column 404 to apply a radial force to the main body plate 101 through the arc-shaped groove 403, thereby alleviating the sway of the main body plate 101 and compensating for gravity.

[0028] The moving mechanism includes a bidirectional lead screw 301, which is rotatably connected to the main body plate 101 and threadedly connected to the moving block 302.

[0029] A power motor 303 is fixedly installed on one side of the main plate 101. The output shaft of the power motor 303 is fixedly connected to the bidirectional lead screw 301. The power motor 303 drives the bidirectional lead screw 301 to rotate, so that the symmetrical moving blocks 302 are threadedly engaged with the bidirectional lead screw 301, thereby driving the symmetrical moving blocks 302 to move towards each other.

[0030] Two sliding grooves 601 are provided on the upper end of the main plate 101. The two sliding grooves 601 are symmetrical about the rotating shaft 102. A sliding plate 602 is slidably connected in the sliding grooves 601.

[0031] A counterweight 603 is fixedly installed on the upper end of the sliding plate 602. A locking knob 7 is threadedly connected to the front end of the sliding plate 602. The locking knob 7 abuts against the upper end of the main plate 101. In use, the sliding plate 602 is slid to make the counterweights 603 on both sides symmetrical. Then the locking knob 7 is rotated to make the locking knob 7 abut against the upper end of the main plate 101.

[0032] The lower end of the connecting rod 401 is fixedly connected to the mounting plate 501, and the lower end of the mounting plate 501 is fixedly connected to the fixing hook 502. When in use, the production parts are hung on the lower end of the fixing hook 502.

[0033] A symmetrical fixing ring 201 is fixedly connected to the upper end of the main plate 101. A hanging rope 202 is connected between the fixing ring 201 and the hanging ring. The hanging ropes 202 on both sides form a triangular structure with the main plate 101, so that the main plate 101 is prevented from tilting excessively when subjected to load.

[0034] Working principle: During use, the production parts are hung on the lower end of the fixed hook 502. By sliding the sliding plate 602, the counterweights 603 on both sides are made symmetrical. Then, the locking knob 7 is rotated to abut against the upper end of the main body plate 101. The lifting ring is then connected to the lifting equipment. The lifting ropes 202 on both sides form a triangular structure with the main body plate 101, thus preventing excessive tilting of the main body plate 101 under load. The power motor 303 drives the bidirectional lead screw 301 to rotate, enabling symmetrical movement. Block 302 is threadedly engaged with the bidirectional lead screw 301, thereby driving the symmetrical moving blocks 302 to move towards each other. When the main plate 101 sways, the connecting rod 401 rotates around the hinge axis of the moving block 302, causing the sliding column 404 to slide with the through groove 402. At the same time, the sliding column 404 slides with the arc groove 403, thereby causing the sliding column 404 to apply a radial force to the main plate 101 through the arc groove 403, thereby alleviating the sway of the main plate 101 and compensating for gravity.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A hoisting device with a balancing structure, comprising a main body plate (101), said main body plate (101) being a semi-circular shape with an upward opening, characterized in that: The main body plate (101) is rotatably connected to a rotating shaft (102), the rotating shaft (102) is coaxial with the main body plate (101), the front and rear ends of the rotating shaft (102) are fixedly connected to connecting plates (103), the upper end of the connecting plate (103) is fixed with a lifting ring, the main body plate (101) is provided with a moving mechanism, and the main body plate (101) is provided with a buffer mechanism. The buffer mechanism includes two movable blocks (302), which are symmetrically slidably connected within the main body plate (101). A connecting rod (401) is hinged below each movable block (302). A through groove (402) is provided on the connecting rod (401). An arc-shaped groove (403) is provided within the main body plate (101). The arc-shaped groove (403) is arc-shaped along the edge of the main body plate (101). A sliding column (404) is slidably connected within the through groove (402). The sliding column (404) is slidably connected to the arc-shaped groove (403).

2. The hoisting equipment with a balancing structure according to claim 1, characterized in that: The moving mechanism includes a bidirectional lead screw (301), which is rotatably connected inside the main body plate (101) and threadedly connected to the moving block (302).

3. A hoisting device with a balancing structure according to claim 2, characterized in that: A power motor (303) is fixedly installed on one side of the main plate (101), and the output shaft of the power motor (303) is fixedly connected to the bidirectional lead screw (301).

4. A hoisting device with a balancing structure according to claim 3, characterized in that: The main body plate (101) has two sliding grooves (601) on its upper end. The two sliding grooves (601) are symmetrical about the rotating shaft (102). A sliding plate (602) is slidably connected in the sliding groove (601).

5. A hoisting device with a balancing structure according to claim 4, characterized in that: A counterweight (603) is fixedly installed on the upper end of the sliding plate (602), and a locking knob (7) is threadedly connected to the front end of the sliding plate (602). The locking knob (7) abuts against the upper end of the main plate (101).

6. A hoisting device with a balancing structure according to claim 1, characterized in that: The lower end of the connecting rod (401) is fixedly connected to the mounting plate (501), and the lower end of the mounting plate (501) is fixedly connected to the fixing hook (502).

7. A hoisting device with a balancing structure according to claim 1, characterized in that: The upper end of the main plate (101) is fixedly connected with symmetrical fixing rings (201), and a hanging rope (202) is connected between the fixing rings (201) and the hanging ring.

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