Crane sling adjusting device

Abstract

The utility model relates to the technical field of crane slings, and discloses a crane sling adjusting device which comprises an equipment body, the equipment body comprises a mechanical arm, a heightening frame is fixedly connected to the middle of the top end of the mechanical arm, fixing rings are fixedly connected to the top end of the heightening frame, and the fixing rings are distributed in a central mirror image mode; by arranging the hydraulic cylinders, the hydraulic rods, the supporting plates, the U-shaped supporting seats, the connecting shafts and the pulleys, when the length of the hanging belt needs to be adjusted in a small distance, the hydraulic cylinders at the two ends are started at the same time to ascend and descend, the situation that the two ends are unbalanced is avoided, the pulleys can reduce friction damage of the hanging belt, and the service life of the hanging belt is effectively prolonged; by arranging a lock sleeve, a threaded rod, a handle, an annular limiting plate and a clamping plate, when an object is placed on a hanging belt, the lock sleeve is pulled downwards, then the threaded rod is rotated through the handle, and the clamping plate clamps the hanging belt, so that the object is fixed, the object can be prevented from falling off, and the safety of the device is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crane slings, in particular to a crane sling adjusting device. Background Art

[0002] In the manufacturing process of machinery, slings are widely used to lift products. The main component of the lifting is the sling, which includes steel cable and sling. The sling has the advantages of wear resistance, softness, oil-free pollution and beautiful appearance. In the past, slings could only be used when they were in direct contact with the product and the length did not need to be adjusted.

[0003] However, due to the complex structure of mechanical equipment, slings are increasingly used in lifting. However, the length of the slings needs to be purchased and customized, the ordering cycle is long, and the purchased slings cannot be adjusted. It is time-consuming and laborious for workers to use them, and it is troublesome to use them. Moreover, the slings are easy to loosen when they are not tightened, causing safety accidents. Therefore, improvements are needed, and a crane sling adjustment device is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a crane sling adjusting device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a crane sling adjustment device, comprising a device body, the device body comprising:

[0006] A mechanical arm, wherein a heightening frame is fixedly connected to the middle of the top of the mechanical arm, and a fixing ring is fixedly connected to the top of the heightening frame, and the fixing ring is distributed in a center mirror image.

[0007] Furthermore, hydraulic cylinders are provided at the left and right ends of the height-enhancing frame, the bottom end of the hydraulic cylinder is fixedly connected to the mechanical arm, and the output end of the hydraulic cylinder is fixedly connected to a hydraulic rod.

[0008] Furthermore, limiting holes are provided at both ends of the hydraulic cylinder, the limiting holes are opened at both ends of the mechanical arm, and rounded corners are provided at the upper and lower ends of the limiting holes.

[0009] Furthermore, the top end of the hydraulic rod is fixedly connected to a support plate, and the top end of the support plate is fixedly connected to a U-shaped support seat.

[0010] Furthermore, the front and rear inner walls of the support seat are fixedly connected with a connecting shaft, and the middle of the connecting shaft is rotatably connected with a pulley.

[0011] Furthermore, a hook is snap-connected in the middle of the fixing ring, one end of the hook is fixedly connected to a sling, and the sling passes through the limiting hole.

[0012] Furthermore, a locking sleeve is slidably connected to the lower end of the sling, and one end of the locking sleeve is threadedly connected to a threaded rod.

[0013] Furthermore, a handle is fixedly connected to the outer end of the threaded rod.

[0014] Furthermore, one end of the threaded rod is rotatably connected to an annular limiting plate.

[0015] Furthermore, one end of the annular limiting plate is fixedly connected to a clamping plate, and the clamping plate is in a horizontally movable state left and right inside the locking sleeve.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] By setting up hydraulic cylinders, hydraulic rods, support plates, U-shaped support seats, connecting shafts and pulleys, when the length of the sling needs to be adjusted by a small distance, the hydraulic cylinders at both ends are started at the same time to lift and lower the sling to avoid imbalance at both ends. The pulley can reduce the friction damage of the sling and effectively extend the service life of the sling. By setting up locking sleeves, threaded rods, handles, annular limit plates and splints, when an object is placed on the sling, the locking sleeve is pulled down and the handle is used to rotate the threaded rod so that the splint clamps the sling to fix the object, which can prevent the object from falling and effectively improve the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 This is a front structural schematic diagram of the utility model;

[0021] Figure 3 This is a front cross-sectional structural schematic diagram of the utility model;

[0022] Figure 4 For this utility model Figure 3 Enlarged structural diagram at A in the middle.

[0023] In the figure: 1. Equipment body; 101. Pulley; 102. Hook; 103. Sling; 104. Locking sleeve; 105. Threaded rod; 106. Handle; 107. Annular limit plate; 108. Clamp; 11. Mechanical arm; 12. Heightening frame; 13. Fixing ring; 14. Hydraulic cylinder; 15. Hydraulic rod; 16. Limiting hole; 17. Support plate; 18. U-shaped support seat; 19. Connecting shaft. DETAILED DESCRIPTION

[0024] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-4The utility model provides a technical solution for a crane sling 103 adjustment device: a crane sling 103 adjustment device, including a device body 1, the device body 1 includes: a mechanical arm 11, a heightening frame 12 is fixedly connected to the middle of the top of the mechanical arm 11, a fixing ring 13 is fixedly connected to the top of the heightening frame 12, and the fixing ring 13 is distributed in a center mirror image. The left and right ends of the heightening frame 12 are provided with hydraulic cylinders 14, and the hydraulic cylinder 14, the hydraulic rod 15, the support plate 17, the U-shaped support seat 18, the connecting shaft 19 and the pulley 10 are provided. 1. When the length of the sling 103 needs to be adjusted over a small distance, the hydraulic cylinders 14 at both ends are started at the same time to lift up and down to avoid the imbalance at both ends. The pulley 101 can reduce the friction damage of the sling 103 and effectively extend the service life of the sling 103. The bottom end of the hydraulic cylinder 14 is fixedly connected to the mechanical arm 11, and the output end of the hydraulic cylinder 14 is fixedly connected to a hydraulic rod 15. Limiting holes 16 are set at both ends of the hydraulic cylinder 14. The limiting holes 16 are opened at both ends of the mechanical arm 11, and the upper and lower ends of the limiting holes 16 are provided with rounded corners;

[0028] The top of the hydraulic rod 15 is fixedly connected with a support plate 17, the top of the support plate 17 is fixedly connected with a U-shaped support seat 18, the front and rear inner walls of the support seat are fixedly connected with a connecting shaft 19, the middle of the connecting shaft 19 is rotatably connected with a pulley 101, the middle of the fixing ring 13 is engaged with a hook 102, one end of the hook 102 is fixedly connected with a sling 103, the sling 103 passes through the limiting hole 16, and the lower end of the sling 103 is slidably connected with a locking sleeve 104. By setting the locking sleeve 104, the threaded rod 105, the handle 106, the annular limiting plate 107 and the clamping plate 108, when When an object is placed on the sling 103, the locking sleeve 104 is pulled downward and the threaded rod 105 is rotated by the handle 106 so that the clamping plate 108 clamps the sling 103 to fix the object, which can prevent the object from falling and effectively improve the safety of the device. One end of the locking sleeve 104 is threadedly connected to the threaded rod 105, and the outer end of the threaded rod 105 is fixedly connected to the handle 106. One end of the threaded rod 105 is rotatably connected to the annular limiting plate 107, and one end of the annular limiting plate 107 is fixedly connected to the clamping plate 108. The clamping plate 108 is in a horizontal moving state left and right inside the locking sleeve 104.

[0029] The utility model is provided with a device body 1. When in use, the length of the sling 103 is adjusted before placing an object. When the length of the sling 103 needs to be adjusted by a small distance, the hydraulic cylinders 14 at both ends are started at the same time to lift up and down to avoid the imbalance at both ends. The pulley 101 can reduce the friction damage of the sling 103 and effectively extend the service life of the sling 103. By providing a locking sleeve 104, a threaded rod 105, a handle 106, an annular limiting plate 107 and a clamping plate 108, when an object is placed on the sling 103, the locking sleeve 104 is pulled downward and the threaded rod 105 is rotated by the handle 106 so that the clamping plate 108 clamps the sling 103, thereby fixing the object and preventing the object from falling, thereby effectively improving the safety of the device.

[0030] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A crane strap adjustment device, comprising a device body (1), characterized in that: The device body (1) comprises: A mechanical arm (11), wherein a heightening frame (12) is fixedly connected to the middle of the top of the mechanical arm (11), a fixing ring (13) is fixedly connected to the top of the heightening frame (12), and the fixing ring (13) is distributed in a central mirror image. A hydraulic cylinder (14) is arranged at the left and right ends of the heightening frame (12), the bottom end of the hydraulic cylinder (14) is fixedly connected to the mechanical arm (11), the output end of the hydraulic cylinder (14) is fixedly connected to a hydraulic rod (15), and limit holes (16) are arranged at both ends of the hydraulic cylinder (14); The limiting holes (16) are provided at both ends of the mechanical arm (11), and the upper and lower ends of the limiting holes (16) are provided with rounded corners. The top end of the hydraulic rod (15) is fixedly connected to a support plate (17), and the top end of the support plate (17) is fixedly connected to a U-shaped support seat (18). The front and rear inner walls of the support seat (18) are fixedly connected to a connecting shaft (19), and the middle of the connecting shaft (19) is rotatably connected to a pulley (101). The middle of the fixing ring (13) is engaged with a hook (102), and one end of the hook (102) is fixedly connected to a sling (103), and the sling (103) passes through the limiting hole (16).

2. A crane strap adjustment device according to claim 1, characterized in that: The lower end of the sling (103) is slidably connected to a locking sleeve (104) up and down, and one end of the locking sleeve (104) is threadedly connected to a threaded rod (105).

3. A crane strap adjustment device according to claim 2, characterized in that: The outer end of the threaded rod (105) is fixedly connected to a handle (106).

4. A crane strap adjustment device according to claim 2, characterized in that: One end of the threaded rod (105) is rotatably connected to an annular limiting plate (107).

5. A crane strap adjustment device according to claim 4, characterized in that: One end of the annular limiting plate (107) is fixedly connected to a clamping plate (108), and the clamping plate (108) is in a horizontally movable state left and right inside the locking sleeve (104).

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