C-shaped hook lifting appliance with automatic weighing function

Abstract

The utility model relates to the technical field of crane lifting appliances, in particular to a C-shaped hook lifting appliance with an automatic weighing function, which comprises a C-shaped hook body, a guide rail component is fixedly mounted on the left side of the lower part of the C-shaped hook body, a C-shaped hook grabbing rod group is fixedly mounted at the left end of the guide rail component, the guide rail component lifts a weighing component, and the upper end of the weighing component is fixedly mounted on the C-shaped hook body. When in use, the C-shaped hook grabbing rod group is pressed down by the gravity of the self mass of a workpiece to drive the sliding block on the sliding block fixing plate to directionally slide on the guide rail, so that the weighing sensor is prevented from being subjected to side tilting force in the vertical direction and is always kept vertical, the weighing precision is ensured, and the sliding block and the guide rail are in ball friction, so that the friction force is small; therefore, the weighing precision is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crane lifting tools, and particularly relates to a C-shaped hook lifting tool with automatic weighing. Background Technique

[0002] In the traditional crane C-shaped hook lifting tool, it is impossible to weigh the goods in time during the lifting process, which cannot meet the current usage situation of customers. Due to the limitation of the grabbed object, the traditional electronic scale cannot be applied to the C-shaped hook lifting tool, and the crane C-shaped hook lifting tool cannot weigh the lifted workpiece timely and accurately during the lifting process. Therefore, the technical personnel in this field provide a C-shaped hook lifting tool with automatic weighing to solve the problems raised in the above background technique. Content of the Utility Model

[0003] To solve the above technical problems, the utility model provides a C-shaped hook lifting tool with automatic weighing, which includes a C-shaped hook body. A guide rail assembly is fixedly installed on the lower left side of the C-shaped hook body. A C-shaped hook gripper rod group is fixedly installed at the left end of the guide rail assembly. A hoisting weighing assembly is installed on the guide rail assembly, and the upper end of the weighing assembly is fixedly installed on the C-shaped hook body;

[0004] The guide rail assembly includes a guide rail, a slider fixing plate, a slider fixing seat and a slider. The guide rails are symmetrically installed at the front and rear of the lower left side of the C-shaped hook body. A slider fixing plate is arranged on the left side of the guide rail. Slider fixing seats are fixedly installed at the four corners of the side of the slider fixing plate close to the guide rail. A slider is fixedly installed on the slider fixing seat. The slider slides directionally on the guide rail, and the friction between the slider and the guide rail is ball friction, with small friction, thereby further improving the weighing accuracy.

[0005] Preferably: A lifting lug is fixedly installed in the middle of the upper end of the C-shaped hook body, and the lifting lug is used for quickly connecting with the sling to facilitate the quick hoisting of the workpiece by the lifting tool.

[0006] Preferably: The C-shaped hook gripper rod group includes a gripper rod, a limit block, a stop block and a connecting plate. A connecting plate is fixedly installed in the middle of the left end face of the slider fixing plate. A gripper rod is fixedly installed in the middle of the left end of the connecting plate. A limit block is fixedly installed on the upper left end of the gripper rod. The limit block is used for limiting the grabbed workpiece to prevent the workpiece from slipping on the gripper rod during the hoisting process.

[0007] Preferably: A stop block is fixedly installed on the upper right side of the gripper rod to avoid the weighing assembly during the hoisting process of the workpiece.

[0008] Preferably: The weighing assembly includes a movable connection seat, a weighing sensor, an adjusting locking nut seat and a lead screw assembly. The movable connection seat is fixed on the upper part of the left end face of the slider fixing plate, and the upper end of the movable connection seat is rotatably connected with the weighing sensor.

[0009] Preferably, an adjusting and locking nut seat is movably connected to the upper end of the load cell. The adjusting and locking nut seat is sleeved on the lead screw assembly, and the upper end of the lead screw assembly is fixedly connected to the C-shaped hook body.

[0010] Technical effects and advantages of the present utility model:

[0011] 1. When the present utility model is in use, the workpiece is hooked on the upper end of the gripper rod, and the limiting block is used to limit the grabbed workpiece to prevent the workpiece from slipping on the gripper rod during hoisting.

[0012] 2. When the present utility model is in use, the gravity of the workpiece's own mass presses down the C-shaped hook gripper rod group, driving the slider on the slider fixing plate to slide directionally on the guide rail, ensuring that the load cell is not subjected to lateral force in the vertical direction and always remains vertical, ensuring the weighing accuracy. Moreover, the friction between the slider and the guide rail is ball friction, with small friction force, thereby further improving the weighing accuracy. Description of the Drawings

[0013] Figure 1 is the structural schematic diagram provided by this application;

[0014] Figure 2 is the structural schematic diagram of the guide rail assembly provided by this application;

[0015] Figure 3 is the structural schematic diagram of the C-shaped hook gripper rod group provided by this application;

[0016] Figure 4 is the structural schematic diagram of the weighing assembly provided by this application;

[0017] In the figure: 1. C-shaped hook body; 2. Lifting lug; 3. Guide rail assembly; 4. C-shaped hook gripper rod group; 5. Weighing assembly;

[0018] 31. Guide rail; 32. Slider fixing plate; 33. Slider fixing seat; 34. Slider;

[0019] 41. Gripper rod; 42. Limiting block; 43. Stop block; 44. Connecting plate;

[0020] 51. Movable connection seat; 52. Load cell; 53. Adjusting and locking nut seat; 54. Lead screw assembly. Detailed Embodiment

[0021] The following further describes the present utility model in detail in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present utility model are given for the purpose of illustration and description, and are not exhaustive or limit the present utility model to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present utility model, and enable those of ordinary skill in the art to understand the present utility model and thus design various embodiments with various modifications suitable for specific purposes.

[0022] Please refer to Figures 1 to 4 , in this embodiment, a C-type hook sling with automatic weighing is provided, including a C-type hook body 1. A lifting lug 2 is fixedly installed in the middle of the upper end of the C-type hook body 1, and the lifting lug 2 is used for quickly connecting with a sling to facilitate the quick hoisting of workpieces by the sling. A guide rail assembly 3 is fixedly installed on the lower left side of the C-type hook body 1. A C-type hook gripper rod group 4 is fixedly installed at the left end of the guide rail assembly 3. A weighing assembly 5 is hoisted by the guide rail assembly 3, and the upper end of the weighing assembly 5 is fixedly installed on the C-type hook body 1;

[0023] The guide rail assembly 3 includes a guide rail 31, a slider fixing plate 32, a slider fixing seat 33, and a slider 34. The guide rails 31 are symmetrically installed on the front and rear sides of the lower left side of the C-type hook body 1. A slider fixing plate 32 is arranged on the left side of the guide rail 31. Slider fixing seats 33 are fixedly installed at the four corners of the side of the slider fixing plate 32 close to the guide rail 31. A slider 34 is fixedly installed on the slider fixing seat 33, and the slider 34 slides directionally on the guide rail 31, and the friction between the slider 34 and the guide rail 31 is rolling friction, with small friction, thereby further improving the weighing accuracy;

[0024] The C-type hook gripper rod group 4 includes a gripper rod 41, a limit block 42, a stop block 43, and a connecting plate 44. A connecting plate 44 is fixedly installed in the middle of the left side end face of the slider fixing plate 32. A gripper rod 41 is fixedly installed in the middle of the left end of the connecting plate 44. A limit block 42 is fixedly installed on the upper left end of the gripper rod 41 to limit the workpiece being grabbed to prevent the workpiece from slipping on the gripper rod 41 during the hoisting process. A stop block 43 is fixedly installed on the upper right end of the gripper rod 41 to avoid the weighing assembly 5 during the hoisting process of the workpiece;

[0025] The weighing assembly 5 includes a movable connection seat 51, a weighing sensor 52, an adjusting and locking nut seat 53, and a lead screw assembly 54. The movable connection seat 51 is fixed on the upper part of the left side end face of the slider fixing plate 32. The upper end of the movable connection seat 51 is rotatably connected with a weighing sensor 52. The upper end of the weighing sensor 52 is movably connected with an adjusting and locking nut seat 53. The adjusting and locking nut seat 53 is sleeved on the lead screw assembly 54, and the upper end of the lead screw assembly 54 is fixedly connected with the C-type hook body 1.

[0026] The working principle of the present utility model is:

[0027] When the utility model is in use, a workpiece is hooked on the upper end of the gripper rod 41, and the limiting block 42 is used to limit the grabbed workpiece to prevent the workpiece from slipping on the gripper rod 41 during hoisting. The gravity of the workpiece's own mass presses down the C-shaped hook gripper rod group 4, driving the slider 34 on the slider fixing plate 32 to slide directionally on the guide rail 31, ensuring that the weighing sensor 52 is not affected by lateral force in the vertical direction and always remains vertical, ensuring the weighing accuracy. Moreover, ball friction is adopted between the slider 34 and the guide rail 31, with small frictional force, thereby further improving the weighing accuracy.

[0028] Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present utility model. The structures, devices, and operation methods not specifically described and explained in the present utility model, unless otherwise specified and limited, are implemented according to the conventional means in the art.

Claims

1. A C-hook sling with automatic weighing, comprising a C-hook body (1), characterized in that: A guide rail assembly (3) is fixedly mounted on the left side of the lower part of the C-shaped hook body (1); a C-shaped hook grab bar assembly (4) is fixedly mounted on the left end of the guide rail assembly (3); a weighing assembly (5) is hoisted on the guide rail assembly (3); and the upper end of the weighing assembly (5) is fixedly mounted on the C-shaped hook body (1); The guide rail assembly (3) comprises a guide rail (31), a slider fixing plate (32), a slider fixing seat (33) and a slider (34); the guide rail (31) is symmetrically installed on the left side of the lower part of the C-shaped hook body (1) in a front-to-back manner; a slider fixing plate (32) is arranged on the left side of the guide rail (31); a slider fixing seat (33) is fixedly installed at four corners of the slider fixing plate (32) close to the guide rail (31); a slider (34) is fixedly installed on the slider fixing seat (33); the slider (34) slides on the guide rail (31) in a directional manner, and ball friction is provided between the slider (34) and the guide rail (31).

2. A C-hook sling with automatic weighing according to claim 1, characterized in that: A lifting ear (2) is fixedly mounted on the middle portion of the upper end of the C-shaped hook body (1).

3. A C-hook sling with automatic weighing according to claim 2, characterized in that: The C-shaped hook grab bar group (4) comprises a grab bar (41), a limit block (42), a stop block (43) and a connecting plate (44); the connecting plate (44) is fixedly mounted in the middle of the left end surface of the slider fixing plate (32); the grab bar (41) is fixedly mounted in the middle of the left end of the connecting plate (44); and the limit block (42) is fixedly mounted on the upper part of the left end of the grab bar (41).

4. A C-hook sling with automatic weighing according to claim 3, characterized in that: A stopper (43) is fixedly mounted on the right side of the upper end of the grab bar (41).

5. The C-hook sling with automatic weighing according to claim 1, characterized in that: The weighing assembly (5) comprises a movable connecting seat (51), a weighing sensor (52), an adjusting locking nut seat (53) and a screw assembly (54); the movable connecting seat (51) is fixed to the upper left end surface of the slider fixing plate (32); and the weighing sensor (52) is rotatably connected to the upper end of the movable connecting seat (51).

6. A C-hook sling with automatic weighing according to claim 5, characterized in that: The upper end of the weighing sensor (52) is movably connected to an adjusting locking nut seat (53), the adjusting locking nut seat (53) is sleeved on a screw rod assembly (54), and the upper end of the screw rod assembly (54) is fixedly connected to the C-shaped hook body (1).

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