Lifting hook assembly for crane

Abstract

The utility model discloses a lifting hook assembly for a crane, which relates to the technical field of lifting hooks, and comprises a lifting rope, the bottom of the lifting rope is fixedly connected with an installation assembly, the front and back of the installation assembly are fixedly connected with two reflective strips, and the bottom of the installation assembly is provided with the lifting hook assembly. A tripod is arranged on the left side of the outer surface of the lifting hook assembly, the mounting assembly comprises a mounting seat, and the top of the mounting seat is fixedly connected with the bottom of a lifting rope. According to the lifting hook assembly for the crane, the driving motor provides power to drive the threaded shaft to rotate at the bottom of the inner wall of the second sliding groove, so that two moving blocks are pushed by threads to move up and down on the outer surface of the second sliding groove, an inserting plate is driven to move up and down, and sliding blocks at the front top and the rear top of the inserting plate slide on the inner wall of the first sliding groove; and the inserting plate is clamped on one side of the tripod and the opening of the lifting hook main body, so that an object is reinforced and prevented from falling off.

Description

Technical Field

[0001] The utility model relates to the technical field of hooks, in particular to a hook assembly for a crane. Background Art

[0002] A crane is a multi-action lifting machine that can lift and carry heavy objects vertically and horizontally within a certain range. Usually, the two main parts of a crane are the lifting rope and the hook. The lifting rope drives the hook to rise or fall, and the hook is used to hook the goods to be lifted. Then, the goods will be driven by the lifting rope to drive the hook and the goods to rise or fall together.

[0003] For example, the Chinese patent with announcement number CN217996507U discloses a hook assembly for a crane, including a hook body, two hook bodies are provided, and the two hook bodies are arranged in parallel, a mounting seat is fixedly installed on the top of the two hook bodies, a rod body is provided between the two hook bodies, and the rod body is rotatably connected with the two hook bodies through a rotating connection device; and also includes a rod body rotation drive mechanism, and the output end of the rod body rotation drive mechanism is connected to the rod body. The utility model can not only prevent the rope from falling off the hook body when lifting objects, but also can complete the removal of the rope after the lifting of the objects is completed without manual operation by the staff.

[0004] The existing technology has the following problems:

[0005] However, it does not solve the problem that during the lifting operation of the hook assembly of the crane, the goods may shake during the rising or falling process, which may easily cause the goods to become unhooked, causing the goods to fall and injure the staff, posing certain safety hazards. At the same time, the cargo rope hanging on the hook is easy to move and shake. Utility Model Content

[0006] The utility model provides a hook assembly for a crane to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0008] A hook assembly for a crane comprises a lifting rope, wherein a mounting assembly is fixedly connected to the bottom of the lifting rope, two reflective strips are fixedly connected to the front and rear of the mounting assembly, a hook assembly is arranged at the bottom of the mounting assembly, and a tripod is arranged on the left side of the outer surface of the hook assembly.

[0009] Preferably: the mounting assembly includes a mounting seat, the top of the mounting seat is fixedly connected to the bottom of the hanging rope, the front and rear of the mounting seat are fixedly connected to the opposite surfaces of the two reflective strips, two mounting blocks are fixedly connected to the front and rear of the bottom right side of the mounting seat, and the inner walls of the two mounting blocks are rotatably connected to the top of the hook assembly.

[0010] Preferably, a mounting square hole is opened on the left side of the top of the mounting seat, a driving motor is movably connected to the middle of the left side of the inner wall of the mounting square hole, and a mounting frame is fixedly connected to the left side of the bottom of the mounting seat.

[0011] Preferably: a slide groove 1 is opened on the inner wall of the mounting frame near the right side at the front and rear, a slide groove 2 is opened on the left side of the inner wall of the mounting frame, the output end of the driving motor is fixedly connected with a threaded shaft, and the bottom of the threaded shaft is rotatably connected to the bottom of the inner wall of the second slide groove.

[0012] Preferably: the outer surface of the threaded shaft is threadedly connected to two moving blocks, the right sides of the two moving blocks are fixedly connected to a plug plate, the front and rear of the plug plate near the top are fixedly connected to sliders, and the outer surface of the slider is slidably connected to the inner wall of the first slide groove.

[0013] Preferably: the hook assembly includes a hook body, a fixed shaft is movably sleeved on the top inner wall of the hook body, the outer surface of the fixed shaft is movably sleeved on the inner walls of two mounting blocks, two mounting grooves are provided on the front and rear left sides of the hook body, and the inner walls of the two mounting grooves are rotatably connected to the opposite surfaces on the left sides of the inner wall of the tripod.

[0014] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0015] 1. The utility model provides a hook assembly for a crane. After an object is hung on the hook body, the rotation of the tripod is used to block the object during movement to avoid the object falling off and causing safety hazards. The object hanging rope is better hung on the opening of the hook body to prevent sliding and drive the object to shake.

[0016] 2. The utility model provides a hook assembly for a crane, which is powered by a driving motor to drive a threaded shaft to rotate at the bottom of the inner wall of the second slideway, so that the thread pushes two moving blocks to move up and down on the outer surface of the second slideway, thereby driving the plug plate to move up and down, so that the sliders at the front and rear tops of the plug plate slide on the inner wall of the first slideway, and the plug plate is clamped on one side of the tripod and the opening of the hook body, thereby reinforcing the function of blocking objects to prevent them from falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the enlarged structure of the hook assembly of the utility model;

[0019] Figure 3 It is a schematic diagram of the enlarged structure of the mounting seat of the utility model;

[0020] Figure 4 It is a schematic diagram of the enlarged structure of the mounting frame of the utility model;

[0021] Figure 5 It is a schematic diagram of the enlarged structure of the plug board of the utility model.

[0022] In the figure: 1. Installation assembly; 11. Mounting seat; 12. Mounting block; 13. Installation square hole; 14. Driving motor; 15. Mounting frame; 16. Threaded shaft; 17. Slide groove 1; 18. Slide groove 2; 19. Moving block; 110. Insert plate; 111. Sliding block; 2. Lifting rope; 3. Reflective strip; 4. Hook assembly; 41. Hook body; 42. Mounting groove; 43. Fixed axis; 5. Tripod. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] like Figure 1 As shown, a hook assembly for a crane includes a lifting rope 2, a mounting assembly 1 is fixedly connected to the bottom of the lifting rope 2, two reflective strips 3 are fixedly connected to the front and rear of the mounting assembly 1, a hook assembly 4 is arranged at the bottom of the mounting assembly 1, and a tripod 5 is arranged on the left side of the outer surface of the hook assembly 4.

[0025] The installation assembly 1 assists the hanging rope 2, the two reflective strips 3 and the hook assembly 4 to be stably installed at a predetermined position, and the hook assembly 4 assists the tripod 5 to be stably installed.

[0026] like Figure 2 , Figure 4 As shown, the mounting assembly 1 includes a mounting seat 11, the top of the mounting seat 11 is fixedly connected to the bottom of the hanging rope 2, the front and rear of the mounting seat 11 are fixedly connected to the opposite surfaces of the two reflective strips 3, the front and rear of the bottom right side of the mounting seat 11 are fixedly connected to two mounting blocks 12, the inner walls of the two mounting blocks 12 are rotatably connected to the top of the hook assembly 4, a mounting square hole 13 is opened on the left side of the top of the mounting seat 11, and a driving motor 14 is movably connected to the middle of the left side of the inner wall of the mounting square hole 13, a mounting frame 15 is fixedly connected to the left side of the bottom of the mounting seat 11, and a slide groove 17 is opened on the front and rear inner walls of the mounting frame 15 near the right side, and a slide groove 2 18 is opened on the left side of the inner wall of the mounting frame 15, and a threaded shaft 16 is fixedly connected to the output end of the driving motor 14, and the bottom of the threaded shaft 16 is rotatably connected to the bottom of the inner wall of the slide groove 2 18.

[0027] By installing the mounting assembly 1 through the hanging rope 2, the hook assembly is driven to move up and down, and the two reflective strips 3 connected to the front and rear of the mounting seat 11 prevent the reflective prompt position from being used at night to avoid hidden dangers; after hanging the object on the hook body 41, the rotation of the tripod 5 is used to block the object during movement to prevent the object from falling off and causing safety hazards. At the same time, the installation square hole 13 opened on the top of the mounting seat 11 is used to assist the installation of the drive motor 14.

[0028] like Figure 2 , Figure 4 , Figure 5 As shown, the outer surface of the threaded shaft 16 is threadedly connected to two moving blocks 19, and the right sides of the two moving blocks 19 are fixedly connected to a plug plate 110, and the front and rear sides of the plug plate 110 near the top are fixedly connected to sliders 111, and the outer surface of the slider 111 is slidably connected to the inner wall of the slide groove 17. The hook assembly 4 includes a hook body 41, and the top inner wall of the hook body 41 is movably sleeved with a fixed shaft 43, and the outer surface of the fixed shaft 43 is movably sleeved with the inner walls of the two mounting blocks 12. Two mounting grooves 42 are provided on the front and rear left sides of the hook body 41, and the inner walls of the two mounting grooves 42 are rotatably connected to the opposite surfaces of the left sides of the inner wall of the tripod 5.

[0029] The driving motor 14 provides power to drive the threaded shaft 16 to rotate at the bottom of the inner wall of the second slide groove 18, so that the threads push the two moving blocks 19 to move up and down on the outer surface of the second slide groove 18, thereby driving the plug plate 110 to move up and down, so that the sliders 111 at the front and rear tops of the plug plate 110 slide on the inner wall of the first slide groove 17, and the plug plate 110 is connected to one side of the tripod 5 and the opening of the hook body 41 to prevent the object from falling off, and the object hanging rope is better hung on the opening of the hook body 41 to prevent sliding, thereby driving the object to shake.

[0030] The working principle of the utility model is as follows: the installation of the installation assembly 1 by the hanging rope 2 drives the hook assembly to move up and down, and the two reflective strips 3 connected to the front and rear of the mounting seat 11 prevent the use of the reflective prompt position at night to avoid the occurrence of hidden dangers; after the object is hung on the hook body 41, the rotation of the tripod 5 is used to block the object during the movement to prevent the object from falling off and causing safety hazards. At the same time, the installation of the driving motor 14 is assisted by the installation square hole 13 opened on the top of the mounting seat 11. The driving motor 14 provides power to drive the threaded shaft 16 to rotate at the bottom of the inner wall of the second slide groove 18, so that the threads push the two moving blocks 19 to move up and down on the outer surface of the second slide groove 18, thereby driving the plug plate 110 to move up and down, so that the sliders 111 at the front and rear tops of the plug plate 110 slide on the inner wall of the slide groove 17, and the plug plate 110 is connected to the side of the tripod 5 and the opening of the hook body 41, so as to prevent the object from falling off, and the object hanging rope is better hung on the opening of the hook body 41 to prevent sliding and drive the object to shake.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A hook assembly for a crane, comprising a lifting rope (2), characterized in that: The bottom of the hanging rope (2) is fixedly connected to a mounting assembly (1), two reflective strips (3) are fixedly connected to the front and rear of the mounting assembly (1), a hook assembly (4) is arranged at the bottom of the mounting assembly (1), and a tripod (5) is arranged on the left side of the outer surface of the hook assembly (4).

2. A hook assembly for a crane according to claim 1, characterized in that: The mounting assembly (1) comprises a mounting seat (11), the top of the mounting seat (11) is fixedly connected to the bottom of the hanging rope (2), the front and rear of the mounting seat (11) are fixedly connected to the opposite surfaces of the two reflective strips (3), and two mounting blocks (12) are fixedly connected to the front and rear of the right side of the bottom of the mounting seat (11), and the inner walls of the two mounting blocks (12) are rotatably connected to the top of the hook assembly (4).

3. A hook assembly for a crane according to claim 2, characterized in that: A mounting square hole (13) is provided on the left side of the top of the mounting seat (11), a driving motor (14) is movably connected to the middle of the left side of the inner wall of the mounting square hole (13), and a mounting frame (15) is fixedly connected to the left side of the bottom of the mounting seat (11).

4. A hook assembly for a crane according to claim 3, characterized in that: The inner wall of the mounting frame (15) is provided with a first slide groove (17) at the front and rear sides near the right side, and the inner wall of the mounting frame (15) is provided with a second slide groove (18) at the left side. The output end of the driving motor (14) is fixedly connected with a threaded shaft (16), and the bottom of the threaded shaft (16) is rotatably connected with the bottom of the inner wall of the second slide groove (18).

5. A hook assembly for a crane according to claim 4, characterized in that: The outer surface of the threaded shaft (16) is threadedly connected to two moving blocks (19), and the right sides of the two moving blocks (19) are fixedly connected to a plug plate (110), and the front and rear of the plug plate (110) near the top are fixedly connected to a sliding block (111), and the outer surface of the sliding block (111) is slidably connected to the inner wall of the sliding groove (17).

6. A hook assembly for a crane according to claim 2, characterized in that: The hook assembly (4) comprises a hook body (41), the top inner wall of the hook body (41) is movably sleeved with a fixed shaft (43), the outer surface of the fixed shaft (43) is movably sleeved with the inner walls of two mounting blocks (12), and two mounting grooves (42) are provided on the front and rear left sides of the hook body (41), and the inner walls of the two mounting grooves (42) are rotatably connected to the opposite surfaces of the left inner wall of the tripod (5).

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