Common chain conveying load lifting appliance for heavy workpieces

Abstract

The utility model relates to the technical field of lifting appliances, discloses a common chain conveying load lifting appliance for heavy workpieces, and solves the problems that in the use process of the common chain conveying load lifting appliance, a hook part on the lifting appliance is inconvenient to quickly hook or unhook goods, the working efficiency is reduced, and better practicability is inconvenient to achieve. The lifting device comprises a lifting arm, a circular mounting top plate is fixedly mounted at the top of the lifting arm, four fixed mounting holes are uniformly formed in the circular mounting top plate in a penetrating mode, an adjusting driving assembly is fixedly mounted at the bottom of the lifting arm, and a lifting hook is fixedly mounted at the bottom of the adjusting driving assembly; a circular connecting plate is arranged right above the shell; according to the utility model, in the use process of the common chain conveying load lifting appliance, the hook part on the lifting appliance can be used for conveniently and quickly hooking or unhooking goods, so that the working efficiency is improved, and better practicability can be conveniently achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of slings, in particular to a general chain conveying load sling for heavy workpieces. Background Art

[0002] A sling refers to a device used in lifting machinery to lift heavy objects. The most commonly used slings for lifting finished items are hooks, slings, rings, lifting suction cups, clamps and forks. Slings are widely used in the lifting and hoisting industry. There are many types of slings, and the chain conveyor load sling is one of them. During the use of the chain conveyor load sling, the hook on the sling is not convenient for quickly hooking or unhooking the goods, which reduces the work efficiency and is not conducive to achieving better practicality. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a general chain conveying load sling for heavy workpieces, which effectively solves the problem that during the use of the general chain conveying load sling, the hook on the sling is not convenient for quickly hooking or unhooking the goods, which reduces the work efficiency and is not convenient for achieving better practicality.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a general chain conveying load hoist for heavy workpieces, comprising a boom, a circular mounting top plate is fixedly installed on the top of the boom, four fixed mounting holes are evenly penetrated inside the circular mounting top plate, an adjusting drive assembly is fixedly installed on the bottom of the boom, a hook is fixedly installed on the bottom of the adjusting drive assembly, the adjusting drive assembly comprises a shell, a circular connecting plate is arranged directly above the shell, and the circular connecting plate is fixedly installed at the middle part of the bottom end of the boom, four connecting rods are symmetrically fixedly installed on the bottom of the circular connecting plate, and the bottoms of the four connecting rods are all fixedly connected to the top of the shell.

[0005] Preferably, a driving motor is fixedly installed on the top of the shell, a first bevel gear is provided inside the shell, a driving rod is fixedly installed on the top of the first bevel gear, and the top of the driving rod movably passes through the top of the shell and is fixedly connected to the output shaft of the driving motor, the outer side of the first bevel gear is meshingly connected with a second bevel gear, a transmission shaft is rotatably installed inside the shell, and the second bevel gear is fixedly installed on the outer side of the transmission shaft, both ends of the transmission shaft movably pass through and extend to the outside of the shell, a movable frame is provided at the bottom end of the outer side of the shell, and the movable frame is a U-shaped structure, both ends of the transmission shaft are fixedly installed through the top of both sides of the movable frame, and the hook is fixedly installed at the middle part of the bottom end of the movable frame.

[0006] Preferably, a positioning frame is provided on a side of the second bevel gear away from the first bevel gear, and the transmission shaft is rotatably mounted inside the positioning frame, and the top of the positioning frame is fixedly connected to the inner top of the shell.

[0007] Preferably, a circular limit plate is provided on the side of the positioning frame away from the second bevel gear, and the circular limit plate is fixedly installed on the outer side of the transmission shaft, an arc-shaped limit groove is opened inside the circular limit plate, and the arc of the arc-shaped limit groove is ninety degrees, and a positioning column is movably installed on the inner bottom end of the arc-shaped limit groove, and one end of the positioning column is fixedly connected to the inner wall of the shell.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] 1) During operation, the interaction between the circular mounting top plate, the boom, the adjustment drive assembly and the hook enables the hook on the general chain conveying load spreader to quickly hook or unhook the goods during use, thereby improving the work efficiency and achieving better practicality;

[0010] 2) During operation, the interaction of the circular limiting plate, the arc limiting groove and the positioning column can facilitate better limiting effect during the rotation of the transmission shaft, thereby ensuring that the adjustment drive assembly can work stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0012] In the attached picture:

[0013] Figure 1 This is a schematic diagram of the structure of a general chain conveying load hanger for heavy workpieces of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the adjustment drive assembly of the utility model;

[0015] Figure 3 It is a schematic diagram of the enlarged structure of the circular limiting plate of the utility model.

[0016] In the figure: 1. boom; 2. circular mounting top plate; 3. fixed mounting hole; 4. adjustable drive assembly; 5. hook; 6. housing; 7. circular connecting plate; 8. connecting rod; 9. drive motor; 10. first bevel gear; 11. driving rod; 12. second bevel gear; 13. transmission shaft; 14. movable frame; 15. positioning frame; 16. circular limit plate; 17. arc limit groove; 18. positioning column. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0018] Embodiment 1, by Figure 1 , Figure 2 and Figure 3 The utility model comprises a boom 1, a circular mounting top plate 2 is fixedly mounted on the top of the boom 1, four fixing holes 3 are evenly penetrated inside the circular mounting top plate 2, an adjusting drive assembly 4 is fixedly mounted on the bottom of the boom 1, and a hook 5 is fixedly mounted on the bottom of the adjusting drive assembly 4;

[0019] The adjusting drive assembly 4 includes a shell 6, a circular connecting plate 7 is arranged directly above the shell 6, and the circular connecting plate 7 is fixedly installed at the middle part of the bottom end of the boom 1, four connecting rods 8 are symmetrically fixedly installed at the bottom of the circular connecting plate 7, and the bottoms of the four connecting rods 8 are fixedly connected to the top of the shell 6, a driving motor 9 is fixedly installed on the top of the shell 6, a first bevel gear 10 is arranged inside the shell 6, a driving rod 11 is fixedly installed on the top of the first bevel gear 10, and the top of the driving rod 11 movably passes through the top of the shell 6 and is fixedly connected to the output shaft of the driving motor 9, a second bevel gear 12 is meshedly connected to the outer side of the first bevel gear 10, a transmission shaft 13 is rotatably installed inside the shell 6, and the second bevel gear 12 is fixedly installed on the outer side of the transmission shaft 13, both ends of the transmission shaft 13 movably pass through and extend to the outside of the shell 6, the shell 6 A movable frame 14 is provided at the bottom end of the outer side, and the movable frame 14 is a U-shaped structure. The two ends of the transmission shaft 13 are respectively fixedly penetrated and installed inside the top ends of the two sides of the movable frame 14. The hook 5 is fixedly installed at the middle part of the bottom end of the movable frame 14. A positioning frame 15 is provided on the side of the second bevel gear 12 away from the first bevel gear 10, and the transmission shaft 13 is rotatably installed inside the positioning frame 15. The top of the positioning frame 15 is fixedly connected to the inner top end of the shell 6. A circular limiting plate 16 is provided on the side of the positioning frame 15 away from the second bevel gear 12, and the circular limiting plate 16 is fixedly installed on the outer side of the transmission shaft 13. An arc-shaped limiting groove 17 is penetrated inside the circular limiting plate 16, and the arc of the arc-shaped limiting groove 17 is ninety degrees. A positioning column 18 is movably penetrated and installed at the bottom end of the inner side of the arc-shaped limiting groove 17, and one end of the positioning column 18 is fixedly connected to the inner wall of the shell 6.

[0020] During use, through the interaction of the circular mounting top plate 2, the boom 1, the adjusting drive assembly 4 and the hook 5, the hook on the general chain conveying load sling can be used to quickly hook or unhook the goods, thereby improving the work efficiency and achieving better practicality. In addition, through the interaction of the circular limiting plate 16, the arc-shaped limiting groove 17 and the positioning column 18, the transmission shaft 13 can achieve a better limiting effect during the rotation process, thereby ensuring that the adjusting drive assembly 4 can work stably.

[0021] Working principle: When working, first use the connecting bolts and nuts that are compatible with the diameter of the fixed installation hole 3 to connect the circular installation top plate 2 with the lifting equipment, so that the overall lifting device is connected to the lifting equipment, and then start the driving motor 9 to drive the driving rod 11 to rotate, the driving rod 11 drives the first bevel gear 10 to rotate, the first bevel gear 10 drives the second bevel gear 12 to rotate, the second bevel gear 12 drives the transmission shaft 13 to rotate, the transmission shaft 13 drives the movable frame 14 to rotate, the movable frame 14 drives the hook 5 to move, and at the same time the transmission shaft 13 drives the circular limit plate 16 to rotate, the circular limit plate 16 drives the arc-shaped limit groove 17 inside it to rotate, after the circular limit plate 16 rotates ninety degrees, the inner top of the arc-shaped limit groove 17 moves to contact with the positioning column 18, at this time, under the action of the positioning column 18, The circular limit plate 16 stops rotating, and the transmission shaft 13 also stops rotating after rotating ninety degrees, and the movable frame 14 also drives the hook 5 to rotate ninety degrees, and then turns off the drive motor 9, and then drives the sling to move through the lifting equipment, so that the hook 5 moves to above the hook ring on the top of the required lifted cargo, and then starts the drive motor 9 to rotate in the opposite direction, driving the hook 5 to reset, and the hook 5 resets to hook the hook ring on the top of the cargo, and then turns off the drive motor 9, and drives the sling to work through the lifting equipment to lift and transport the cargo. After transporting it to the required position, repeat the above operation, and the hook ring on the top of the cargo can be unhooked, so that the hook on the sling can be used to quickly hook or unhook the cargo during the use of the general chain conveying load sling, thereby improving the work efficiency and achieving better practicality.

Claims

1. A chain conveying load sling for heavy workpieces, comprising a sling arm (1), characterized in that: A circular mounting top plate (2) is fixedly mounted on the top of the boom (1), and four fixing mounting holes (3) are evenly penetrated inside the circular mounting top plate (2). An adjusting drive assembly (4) is fixedly mounted on the bottom of the boom (1), and a hook (5) is fixedly mounted on the bottom of the adjusting drive assembly (4). The adjusting drive assembly (4) comprises a shell (6), and a circular connecting plate (7) is arranged directly above the shell (6), and the circular connecting plate (7) is fixedly mounted at the middle of the bottom end of the boom (1). Four connecting rods (8) are symmetrically fixedly mounted on the bottom of the circular connecting plate (7), and the bottoms of the four connecting rods (8) are fixedly connected to the top of the shell (6).

2. A general chain conveying load sling for heavy workpieces according to claim 1, characterized in that: A driving motor (9) is fixedly mounted on the top of the shell (6), a first bevel gear (10) is arranged inside the shell (6), a driving rod (11) is fixedly mounted on the top of the first bevel gear (10), and the top of the driving rod (11) movably penetrates the top of the shell (6) and is fixedly connected to the output shaft of the driving motor (9), the outer side of the first bevel gear (10) is meshingly connected with a second bevel gear (12), a transmission shaft (13) is rotatably mounted inside the shell (6), and the second bevel gear (12) is fixedly mounted on the outer side of the transmission shaft (13), both ends of the transmission shaft (13) are movably penetrated and extended to the outside of the shell (6), a movable frame (14) is arranged at the outer bottom end of the shell (6), and the movable frame (14) is a U-shaped structure, and the two ends of the transmission shaft (13) are respectively fixedly penetrated and mounted inside the top ends of both sides of the movable frame (14), and the hook (5) is fixedly mounted at the middle part of the bottom end of the movable frame (14).

3. A general chain conveying load sling for heavy workpieces according to claim 2, characterized in that: A positioning frame (15) is provided on the side of the second bevel gear (12) away from the first bevel gear (10), and the transmission shaft (13) is rotatably mounted inside the positioning frame (15), and the top of the positioning frame (15) is fixedly connected to the internal top end of the housing (6).

4. A general chain conveying load sling for heavy workpieces according to claim 3, characterized in that: A circular limiting plate (16) is arranged on a side of the positioning frame (15) away from the second bevel gear (12), and the circular limiting plate (16) is fixedly installed on the outer side of the transmission shaft (13); an arc-shaped limiting groove (17) is provided inside the circular limiting plate (16), and the arc of the arc-shaped limiting groove (17) is ninety degrees; a positioning column (18) is movably installed through the bottom end of the inner part of the arc-shaped limiting groove (17), and one end of the positioning column (18) is fixedly connected to the inner wall of the housing (6).

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