Hoisting tool capable of being quickly unhooked

Abstract

A hoisting tool capable of quickly unhooking comprises a hoisting ring, a bearing seat, a crank, a hoisting hook and a rope, and is characterized in that the hoisting ring is provided with a hoisting ring, the bottom of the hoisting ring is provided with a disc, the bearing seat is provided with a pin shaft, a bearing base and a pin shaft, the pin shaft is in an inverted circular truncated cone shape, and the angle of the crank is 135 degrees. The upper lifting ring is connected with a crane, the lower lifting hook is connected with a lifted object, and after the lifted object is installed, unhooking can be completed according to a schematic diagram by pulling the rope. According to the invention, unhooking cannot be completed when the lifting hook is stressed, and the rope can be pulled to unhook only when a lifted object is in a safe state without being stressed. The hoisting tool capable of being quickly unhooked has the advantages that the hoisting tool is simple in structure and convenient to manufacture; the problem that climbing unhooking is needed during construction is solved, the manufacturing principle is simple, practicability is high, the using effect is obvious, the construction efficiency is effectively improved, and climbing unhooking during construction is avoided.

Description

Technical Field

[0001] The invention relates to a sling, in particular to a lifting tool which can be quickly unhooked. Background Art

[0002] The hook is the most common type of lifting equipment. Due to its simple manufacturing process and easy use, it is widely used in lifting operations in various industries, lifting materials and equipment in construction projects, etc. When lifting objects, the operator first hangs the objects on the hook, and then lifts the objects to the target location through the lifting equipment. After the objects are placed stably, the staff will need to approach the hook to unhook the objects from the hook. When installing the equipment, the operator needs to climb high to unhook the hook from the objects, which poses a great risk during operation.

[0003] Therefore, the known sling structure has the above-mentioned inconveniences and problems. Summary of the invention

[0004] The purpose of the present invention is to provide a safe and reliable lifting tool which can be quickly unhooked.

[0005] To achieve the above purpose, the technical solution of the present invention is: A lifting tool capable of rapid unhooking comprises a lifting ring, a bearing seat, a crank and a lifting hook, and is characterized in that: The lifting ring is provided with a lifting ring, the bottom of the lifting ring is provided with a disc, the diameter of the disc is 100 mm, and the center of the disc is provided with a through hole; The bearing seat is provided with a pin shaft, a bearing base, and a pin shaft. The pin shaft is in the shape of an inverted truncated cone, with an upper truncated cone diameter of 58 mm and a thickness of 10 mm, a lower cylindrical diameter of 58 mm and a length of 65 mm; the outer ring diameter of the bearing base is 83 mm, the inner ring diameter is 62 mm, and the center hole diameter is 20 mm; the bearing base is provided with an upper base and a lower base, the upper base and the lower base are connected by bolts, the lower base is arranged in a π configuration, bearings are provided on both sides, the bearings are matched with bearing covers, a shaft is provided between the bearings, and one end of the shaft is provided with the bearing cover; One end of the crank is provided with a round hole to connect with the hook pull rope, and the other end is welded to the upper end of the hook. A safety buckle is provided at the hook bend. A through hole is provided at the center of the crank, and the through hole is movably connected with the shaft of the bearing cover. Among them: the pin shaft cylinder is inserted into the through hole of the disc and connected to the upper base of the bearing base with bolts, so that the pin shaft round table can rotate freely above the through hole of the disc; pulling the hook rope can rotate the crank, drive the hook to rotate 90 degrees to unhook the hanging object.

[0006] The quick-unhooking lifting tool of the present invention can be further implemented by adopting the following technical measures.

[0007] The aforementioned method, wherein the diameter of the through hole is 40 mm.

[0008] The aforementioned method, wherein the angle of the crank is 135 degrees.

[0009] The aforementioned method also includes a safety buckle pull rope, which surrounds the crank until a fixing ring is provided at the safety buckle of the hook, so that the entire buckle pull rope passes through the fixing ring and is movably arranged.

[0010] After adopting the above technical solution, the lifting tool capable of rapid unhooking of the present invention has the following advantages: 1. The lifting tool has a simple structure and is easy to make; it can solve the problem of climbing and unhooking during construction.

[0011] 2. The production principle is simple, the practicability is strong, the use effect is obvious, and the construction efficiency is effectively improved; 3. Avoid climbing and unhooking during construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 A schematic diagram of the structure of a lifting tool according to an embodiment of the present invention; Figure 2 for Figure 1 Side view of Figure 3 A schematic diagram of the bearing base structure of an embodiment of the present invention; Figure 4 for Figure 3 Side view of Figure 5 This is a schematic diagram of the hook unhooking method according to an embodiment of the present invention.

[0013] In the figure: 1 lifting ring, 2 round table, 3 bearing base, 4 crank, 5 hook, 6 safety buckle, 7 hook pull rope, 8 safety buckle pull rope, 9 bearing, 10 shaft, 11 upper base, 12 lower base, 13 bearing cover, 14 bearing cover bolt. DETAILED DESCRIPTION

[0014] The present invention is further described below in conjunction with embodiments and accompanying drawings.

[0015] Example 1 Please refer to Figure 1-5 The lifting tool capable of rapid unhooking of the present invention comprises a lifting ring, a bearing seat, a crank, a lifting hook and a rope.

[0016] The lifting ring 1 is provided with a lifting ring, a disc is provided at the bottom of the lifting ring, the diameter of the disc is 100 mm, a through hole is provided at the center of the disc, and the diameter of the through hole is 40 mm.

[0017] The bearing seat is provided with a pin shaft and a bearing base. The pin shaft is in the shape of an inverted truncated cone. The diameter of the upper truncated cone 2 is 58mm and the thickness is 10mm. The diameter of the lower cylinder is 58mm and the length is 65mm. The outer ring diameter of the bearing base 3 is 83mm, the inner ring diameter is 62mm, and the center hole diameter is 20mm. The bearing base is provided with an upper base 11 and a lower base 12. The upper base and the lower base are connected by bolts. The lower base is arranged in a Π manner. Bearings are provided on both sides. The bearings are matched with bearing covers 13 closed by bearing cover bolts 14. A shaft 10 is provided between the bearings, and one end of the shaft protrudes from the bearing cover.

[0018] One end of the crank 4 is provided with a round hole to connect with the hook pull rope, and the other end is welded to the upper end of the hook. A safety buckle is provided at the hook bend. A through hole is provided in the center of the crank, and the through hole is movably connected with the shaft of the bearing cover. Among them: the pin cylinder is inserted into the through hole of the disc and then welded to the bearing base, so that the pin truncated table can rotate freely above the through hole of the disc; pulling the hook rope 7 can rotate the crank, drive the hook 5 to rotate 90 degrees to unhook the hanging object, and the hook 5 is provided with a safety buckle 6. Pulling the safety buckle rope can open and close the safety buckle 6, so that the hook can be unhooked after unloading the heavy object.

[0019] The present invention has substantial characteristics and significant technical progress. The application principle of the lifting tool capable of rapid unhooking of the present invention is as follows: during the lifting operation, the upper lifting ring is connected to the crane, and the lower lifting hook is connected to the lifting object. After the lifting object is installed, the rope can be pulled to complete the unhooking according to the schematic diagram. The present invention can ensure that the unhooking cannot be completed when the hook is stressed, and the rope can be pulled to unhook only after the lifting object is in a safe state without stress.

[0020] The quickly unhooking hoisting tool of the present invention was used in the urban renewal stainless steel sculpture installation project of Shangli South and North Streets, with remarkable effects, and was unanimously recognized by the construction unit and the supervision unit.

[0021] The above embodiments are only for the purpose of illustrating the present invention, but not for limiting the present invention. A person skilled in the art may make various changes or modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions should also belong to the scope of the present invention and should be defined by the claims.

Claims

1. A lifting tool capable of rapid unhooking, comprising a lifting ring, a bearing seat, a crank, and a lifting hook, characterized in that: The lifting ring is provided with a lifting ring, the bottom of the lifting ring is provided with a disc, the diameter of the disc is 100 mm, and the center of the disc is provided with a through hole; The bearing seat is provided with a pin shaft, a bearing base, and a pin shaft. The pin shaft is in the shape of an inverted truncated cone, with an upper truncated cone diameter of 58 mm and a thickness of 10 mm, a lower cylindrical diameter of 58 mm and a length of 65 mm; the outer ring diameter of the bearing base is 83 mm, the inner ring diameter is 62 mm, and the center hole diameter is 20 mm; the bearing base is provided with an upper base and a lower base, the upper base and the lower base are connected by bolts, the lower base is arranged in a π configuration, bearings are provided on both sides, the bearings are matched with bearing covers, a shaft is provided between the bearings, and one end of the shaft is provided with the bearing cover; One end of the crank is provided with a round hole to connect with the hook pull rope, and the other end is welded to the upper end of the hook. A safety buckle is provided at the hook bend. A through hole is provided in the center of the crank, and the through hole is movably connected with the shaft of the bearing cover. Among them: the pin shaft cylinder is inserted into the through hole of the disc and connected to the upper base of the bearing base with bolts, so that the pin shaft round table can rotate freely above the through hole of the disc; pulling the hook rope can rotate the crank, drive the hook to rotate 90 degrees to unhook the hanging object.

2. The quick-release hoisting tool according to claim 1, characterized in that: The diameter of the through hole is 40 mm.

3. The quick-release hoisting tool according to claim 1, characterized in that: The angle of the crank is 135 degrees.

4. The quick-release hoisting tool according to claim 1, characterized in that: It also includes a safety buckle pull rope, which surrounds the crank until a fixing ring is provided at the safety buckle of the hook, so that the whole buckle pull rope passes through the fixing ring and is movably arranged.

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