Hoisting tool convenient to clamp

Abstract

The utility model discloses a hoisting tool convenient for clamping, relates to the technical field of hoisting equipment, and provides the following scheme aiming at the problems proposed in the background technology: the hoisting tool comprises a hoisting frame, hoisting rings are fixedly connected to four corners of the upper surface of the hoisting frame, two clamping assemblies are connected to the lower surface of the hoisting frame in a sliding manner, and each clamping assembly comprises a strip-shaped frame; a rectangular hole is formed in the lower surface of the strip-shaped frame, and the inner wall of the rectangular hole is slidably connected with an L-shaped clamping frame. By arranging the positive and negative tooth lead screw, the sliding block and the strip-shaped frames, adjustment can be conveniently conducted according to the width of an object, the object can be clamped between the two strip-shaped frames and the L-shaped clamping frame, meanwhile, the hydraulic cylinder and the L-shaped clamping frame are arranged, the object can abut against the upper portion and the lower portion of the object, and the transverse face of the L-shaped clamping frame can play a role in bottom supporting; and meanwhile, the rubber pad is extruded by the two strip-shaped frames to be tightly attached to the objects to increase friction, so that flexible adjustment is conveniently carried out according to the sizes of different objects, and the hoisting stability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of hoisting equipment, in particular to a hoisting tooling convenient for clamping. Background Technique

[0002] A hoisting tooling refers to a lifting tool for hoisting an object to a high place. The most common hoisting tooling consists of a crane, a cable and a hook. The object is hung on the hook, and the cable is tightened by driving a motor to hoist it to a high place. With the rapid development of technology, the current hoisting tooling has developed into various types, such as a hoisting tooling that uses a clamping method for lifting.

[0003] Most of the existing clamping hoisting toolings adopt a three-jaw structure. The three jaws are tightened by a motor to grasp the object, and then the object is lifted. However, this grasping method can only be applied to some small objects. When hoisting some large objects, the three jaws cannot be adjusted in size, and the grasping force is not enough to support the lifting of large objects. Therefore, there is certain room for improvement. Content of the Utility Model

[0004] The purpose of the utility model is to solve the defects existing in the prior art, and to propose a hoisting tooling convenient for clamping.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A hoisting tooling convenient for clamping, including a hoisting frame. Hoisting rings are fixedly connected to the four corners of the upper surface of the hoisting frame. Two clamping assemblies are slidably connected to the lower surface of the hoisting frame. The clamping assembly includes a strip-shaped frame. A hydraulic cylinder is fixedly connected to the inner top wall of the strip-shaped frame. A rectangular hole is opened on the lower surface of the strip-shaped frame. An L-shaped clamping frame is slidably connected to the inner wall of the rectangular hole. Chute are opened on the left and right inner walls of the strip-shaped frame. Limiting rods are fixedly connected to the inner walls of the two chutes. A moving plate is slidably connected to the inner wall of the chute. Rubber pads are fixedly connected to the opposite surfaces of the two strip-shaped frames. A positive and reverse thread screw rod is rotatably connected to the right inner wall of the hoisting frame. A positioning ring is fixedly connected to the left end of the positive and reverse thread screw rod. A number of threaded through holes are opened on the surface of the positioning ring. Two sliders are slidably connected to the inner top wall of the hoisting frame, and the two sliders are respectively fixedly connected to the upper surfaces of the two strip-shaped frames. A positioning plate is fixedly connected to the left side of the hoisting frame. A locking bolt is threadedly connected to the front surface of the positioning plate;

[0007] Cavities are opened in the interiors of the two L-shaped clamping frames. A support plate is slidably connected to the inner wall of the cavity. Four positioning frames are fixedly connected to the upper surface of the support plate. Guide wheels are rotatably connected to the inner walls of the positioning frames. Right-angle top frames are fixedly connected to the opposite surfaces of the two support plates.

[0008] Preferably, the upper surface of the L-shaped clamping frame is fixedly connected to the lower surface of the moving plate, and the output end of the hydraulic cylinder is fixedly connected to the upper surface of the moving plate.

[0009] Preferably, two circular holes are formed in the upper surface of the moving plate. The moving plate is slidably connected to the surfaces of two limiting rods through the two circular holes. When the moving plate moves, it can slide on the surfaces of the two limiting rods, and the limiting rods play a certain role in limiting and blocking.

[0010] Preferably, the two sliders are respectively threadedly connected to the positive and negative threads on the surface of the positive and negative thread screw rod. When the positive and negative thread screw rod rotates, it can drive the two sliders to move synchronously towards the opposite or back sides.

[0011] Preferably, the locking bolt is adapted to the threaded through hole on the surface of the positioning ring, and the locking bolt can be inserted into the threaded through hole to lock the positioning ring and the positive and negative thread screw rod.

[0012] Preferably, four rectangular holes corresponding to the positions of the guide wheels are formed in the upper surface of the L-shaped clamping frame. When the support plate rises, it can drive the guide wheels to pass through the rectangular holes and make the guide wheels higher than the upper surface of the L-shaped clamping frame.

[0013] Preferably, the bottom end of the right-angle top frame is lower than the lower surface of the L-shaped clamping frame. When the L-shaped clamping frame lands on the ground, it can upwardly press the right-angle top frame, thereby driving the support plate to rise.

[0014] The beneficial effects of the present utility model are as follows:

[0015] 1. By arranging the positive and negative thread screw rod, the sliders and the strip-shaped frame, it is convenient to adjust according to the width of the object. The object can be clamped between the two strip-shaped frames and the L-shaped clamping frame. At the same time, by arranging the hydraulic cylinder and the L-shaped clamping frame, the object can be tightly clamped up and down. The horizontal surface of the L-shaped clamping frame can play a role in supporting the bottom. At the same time, the rubber pad is pressed against the object by the two strip-shaped frames and clings to the object to increase friction, so as to be convenient for flexible adjustment according to the sizes of different objects, and the lifting stability is higher;

[0016] 2. When the L-shaped clamping frame descends to the ground, the ground can drive the right-angle top frame to rise, thereby driving the support plate to rise. The guide wheels on the support plate pass through the rectangular holes and extend above the L-shaped clamping frame. At this time, when the positive and negative thread screw rod is rotated, the object can reduce friction through the inclined side and the guide wheels, which is more convenient for loading, and it is also simpler when unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structural schematic diagram of a lifting and transporting tooling convenient for clamping proposed by the present utility model;

[0018] Figure 2Schematic diagram of the front sectional structure of a hoisting tooling that is convenient for clamping proposed by the present utility model;

[0019] Figure 3 A hoisting tooling that is convenient for clamping proposed by the present utility model Figure 2 Enlarged schematic diagram of the structure at position A in

[0020] In the figure: 1, hoisting frame; 2, lifting ring; 3, strip-shaped frame; 4, hydraulic cylinder; 5, L-shaped clamping frame; 6, limiting rod; 7, moving plate; 8, rubber pad; 9, left-right hand threaded screw rod; 10, positioning ring; 11, slider; 12, positioning plate; 13, locking bolt; 14, support plate; 15, positioning frame; 16, guide wheel; 17, right-angled top frame. Specific implementation mode

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0022] Embodiment 1, referring to Figure 1 、 Figure 2 and Figure 3 A hoisting tooling that is convenient for clamping includes a hoisting frame 1. Lifting rings 2 are fixedly connected to the four corners of the upper surface of the hoisting frame 1. Two clamping components are slidably connected to the lower surface of the hoisting frame 1. The clamping component includes a strip-shaped frame 3. A hydraulic cylinder 4 is fixedly connected to the inner top wall of the strip-shaped frame 3. A rectangular hole is opened on the lower surface of the strip-shaped frame 3. An L-shaped clamping frame 5 is slidably connected to the inner wall of the rectangular hole. Chute grooves are opened on the left and right inner walls of the strip-shaped frame 3. Limiting rods 6 are fixedly connected to the inner walls of the two chute grooves. A moving plate 7 is slidably connected to the inner wall of the chute groove. Two circular holes are opened on the upper surface of the moving plate 7. The moving plate 7 is slidably connected to the surfaces of the two limiting rods 6 through the two circular holes. The upper surface of the L-shaped clamping frame 5 is fixedly connected to the lower surface of the moving plate 7, and the output end of the hydraulic cylinder 4 is fixedly connected to the upper surface of the moving plate 7;

[0023] Rubber pads 8 are fixedly connected to the opposite surfaces of the two strip-shaped frames 3. A left-right hand threaded screw rod 9 is rotatably connected to the right inner wall of the hoisting frame 1. A positioning ring 10 is fixedly connected to the left end of the left-right hand threaded screw rod 9. A number of threaded through holes are opened on the surface of the positioning ring 10. Two sliders 11 are slidably connected to the inner top wall of the hoisting frame 1. The two sliders 11 are respectively threadedly connected to the positive and negative threads on the surface of the left-right hand threaded screw rod 9, and the two sliders 11 are respectively fixedly connected to the upper surfaces of the two strip-shaped frames 3. A positioning plate 12 is fixedly connected to the left side of the hoisting frame 1. A locking bolt 13 is threadedly connected to the front surface of the positioning plate 12. The locking bolt 13 is adapted to the threaded through hole on the surface of the positioning ring 10;

[0024] The hydraulic cylinder 4 can adjust the height of the L-shaped clamping frame 5, thus facilitating adjustment according to the height of the object. At the same time, the left and right hand threaded screw rod 9 can adjust the distance between the two strip-shaped frames 3 through two sliders 11, facilitating flexible adjustment according to the width of the object, and can clamp and press against both sides of the object, using the rubber pad 8 to increase friction and improve the clamping stability of the object. At the same time, by inserting the locking bolt 13 into the threaded through hole of the positioning ring 10, the left and right hand threaded screw rod 9 can be locked to ensure that there is no shaking or twisting during the hoisting process.

[0025] Embodiment 2: Refer to Figure 1 , Figure 2 and Figure 3 , cavities are provided inside both of the two L-shaped clamping frames 5, a support plate 14 is slidably connected to the inner wall of the cavity, four positioning frames 15 are fixedly connected to the upper surface of the support plate 14, a guide wheel 16 is rotatably connected to the inner wall of the positioning frame 15, right-angle top frames 17 are fixedly connected to the opposite surfaces of the two support plates 14, four rectangular holes corresponding to the positions of the guide wheels 16 are provided on the upper surface of the L-shaped clamping frame 5, and the bottom end of the right-angle top frame 17 is lower than the lower surface of the L-shaped clamping frame 5;

[0026] When the L-shaped clamping frame 5 lands on the ground, the ground upwardly presses the right-angle top frame 17, and drives the support plate 14 to rise through the right-angle top frame 17. The support plate 14 drives the four guide wheels 16 to move upward and extend out of the upper surface of the L-shaped clamping frame 5 through the rectangular holes. At this time, the object contacts the guide wheels 16 through the hypotenuse during the loading process, thereby reducing the friction between the object and the L-shaped clamping frame 5 and making loading and unloading more convenient.

[0027] Working principle: First, use the lifting rope and the lifting ring 2 to move the lifting frame 1 above the object to be lifted, rotate the left and right hand threaded screw rod 9 to move the two strip-shaped frames 3 to both sides until the distance between the two strip-shaped frames 3 is greater than the object. At this time, place the object between the two L-shaped clamping frames 5, and reverse-rotate the left and right hand threaded screw rod 9 to perform the feeding operation on the object through the hypotenuse by the two L-shaped clamping frames 5. Since when the L-shaped clamping frame 5 descends to the ground, the right-angle top frame 17 receives an upward force and drives the support plate 14 to rise, causing the guide wheels 16 to extend above the L-shaped clamping frame 5 through the rectangular holes, the friction between the object and the L-shaped clamping frame 5 is reduced, making loading and unloading more convenient. After the loading is completed, open the hydraulic cylinder 4 to drive the two L-shaped clamping frames 5 to rise and make the object contact the lower surface of the lifting frame 1. At this time, the two rubber pads 8 can clamp and press against both sides of the object, increasing the friction, thereby improving the hoisting stability.

[0028] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A hoisting tooling convenient for clamping, comprising a hoisting frame (1), wherein lifting rings (2) are fixedly connected to four corners of the upper surface of the hoisting frame (1), and two clamping assemblies are slidably connected to the lower surface of the hoisting frame (1), characterized in that, The clamping assembly includes a strip-shaped frame (3). The inner top wall of the strip-shaped frame (3) is fixedly connected with a hydraulic cylinder (4). A rectangular hole is formed in the lower surface of the strip-shaped frame (3). An L-shaped clamping frame (5) is slidably connected to the inner wall of the rectangular hole. Chute grooves are formed in the left and right inner walls of the strip-shaped frame (3). A limiting rod (6) is fixedly connected to the inner wall of each of the two chute grooves. A moving plate (7) is slidably connected to the inner wall of the chute groove. Rubber pads (8) are fixedly connected to the opposite surfaces of the two strip-shaped frames (3). A left-right threaded screw rod (9) is rotatably connected to the right inner wall of the hoisting frame (1). A positioning ring (10) is fixedly connected to the left end of the left-right threaded screw rod (9). A number of threaded through holes are formed in the surface of the positioning ring (10). Two sliding blocks (11) are slidably connected to the inner top wall of the hoisting frame (1), and the two sliding blocks (11) are respectively fixedly connected to the upper surfaces of the two strip-shaped frames (3). A positioning plate (12) is fixedly connected to the left side of the hoisting frame (1). A locking bolt (13) is threadedly connected to the front surface of the positioning plate (12); Cavities are formed in the interiors of the two L-shaped clamping frames (5). A support plate (14) is slidably connected to the inner wall of the cavity. Four positioning frames (15) are fixedly connected to the upper surface of the support plate (14). A guide wheel (16) is rotatably connected to the inner wall of the positioning frame (15). Right-angle top frames (17) are fixedly connected to the opposite surfaces of the two support plates (14).

2. The lifting tooling convenient for clamping according to claim 1, wherein, The upper surface of the L-shaped clamping frame (5) is fixedly connected to the lower surface of the moving plate (7), and the output end of the hydraulic cylinder (4) is fixedly connected to the upper surface of the moving plate (7).

3. The hoisting tooling convenient for clamping according to claim 1, characterized in that, Two circular holes are formed in the upper surface of the moving plate (7). The moving plate (7) is slidably connected to the surfaces of the two limiting rods (6) through the two circular holes.

4. The lifting tooling convenient for clamping according to claim 1, characterized in that, The two sliding blocks (11) are respectively threadedly connected to the left-right threaded portions on the surface of the left-right threaded screw rod (9).

5. The hoisting tooling convenient for clamping according to claim 1, characterized in that, The locking bolt (13) is adapted to the threaded through hole on the surface of the positioning ring (10).

6. The lifting tooling convenient for clamping according to claim 1, characterized in that, Four rectangular holes corresponding to the positions of the guide wheels (16) are formed in the upper surface of the L-shaped clamping frame (5).

7. A hoisting tooling convenient for clamping according to claim 1, characterized in that, The bottom end of the right-angle top frame (17) is lower than the lower surface of the L-shaped clamping frame (5).

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