CN214780272U

CN214780272U - Lifting appliance with automatic unhooking function

Info

Publication number: CN214780272U
Application number: CN202121016463.9U
Authority: CN
Inventors: 马宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-11-19
Anticipated expiration: 2031-05-13

Abstract

The utility model discloses a hoist with automatic unhook function, including the main jib, one side that the main jib is close to the intermediate position is opened there is the adjustment tank, and the inner wall of adjustment tank is provided with first coupling assembling, the equal swing joint in both sides of first coupling assembling has first grip block, first grip block is close to and is provided with second coupling assembling between the relative one side of intermediate position, second coupling assembling's intermediate position swing joint has the second grip block, the bottom of second grip block is provided with third coupling assembling, third coupling assembling's both ends swing joint has second U type frame. The utility model discloses be convenient for hoist and mount the processing to article, when unloading, first spring will drive first grip block and second grip block under the effect that resets and reset to will support the compression roller and break away from with the centre gripping hoop, be convenient for make whole hoist form the effect of automatic unhook, inject the angle that forms between first grip block and the second grip block.

Description

Lifting appliance with automatic unhooking function

Technical Field

The utility model relates to a hoist technical field especially relates to a hoist with automatic unhook function.

Background

The lifting appliance is a device for lifting and taking heavy objects in lifting machinery, the most common lifting appliances for lifting and taking finished objects are lifting hooks and lifting straps, and other lifting rings, lifting suckers, clamps, forks and the like are also used, and the lifting appliance is widely applied to the lifting and taking industry.

Through retrieval, chinese patent is granted No. CN109019307A, discloses a hoist with protection hasp, including rings and tool to lock, the welding of rings bottom surface has the connecting hole, and is connected with the connecting piece through connecting bolt between the connecting hole. According to the invention, the sealing ring and the lock are arranged, the sealing ring can rotate along the rotating shaft and is inserted into the lock, the elastic piece pushes the locker to be sprung upwards through the elasticity of the elastic piece, and the sawteeth and the locker are locked with each other. The device in the above patent suffers from the following disadvantages: many lifting appliances have a locking function, but do not have an automatic unhooking function, and therefore, a need exists to design a lifting appliance with an automatic unhooking function to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a lifting appliance with an automatic unhooking function.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a lifting appliance with an automatic unhooking function comprises a main lifting rod, wherein an adjusting groove is formed in one side, close to the middle position, of the main lifting rod, a first connecting assembly is arranged on the inner wall of the adjusting groove, first clamping plates are movably connected to the two sides of the first connecting assembly, a second connecting assembly is arranged between the opposite sides, close to the middle position, of the first clamping plates, a second clamping plate is movably connected to the middle position of the second connecting assembly, a third connecting assembly is arranged at the bottom end of the second clamping plate, two ends of the third connecting assembly are movably connected with second U-shaped frames, clamping hoops are fixedly connected to the bottoms of the second U-shaped frames, the bottom end of the main lifting rod is fixedly connected with the first U-shaped frames, a fourth connecting assembly is arranged between the inner walls of the two sides of the first U-shaped frames and between the other ends of the second clamping plates, and a fifth connecting assembly is arranged between the bottoms of one side of the two first clamping plates, and the middle position of the fifth connecting assembly is movably connected with a pressing roller.

Preferably, one end of one of the first clamping plate close to the bottom is fixedly connected with a connecting sheet, a connecting hole is formed in the middle of the connecting sheet, a first pin rod is fixedly connected to the bottom of the outer wall of one side of the first U-shaped frame, and a first spring is arranged on the outer wall of the first pin rod and the inner wall of the connecting hole.

Preferably, a sixth connecting assembly is arranged between the inner walls of the first clamping plates on one side close to the top of the middle position, a limiting plate is movably connected to the middle position of the sixth connecting assembly, a blocking piece is fixedly connected to one side of the second clamping plates on the top of the middle position, the cross section of the blocking piece is triangular, and the outer wall of one end of the blocking piece corresponds to the outer wall of one end of the limiting plate.

Preferably, one end of the outer wall of one side of the limiting plate and the outer wall of one side of the first clamping plate close to the top are fixedly connected with a second pin rod, and a second spring is arranged between the outer walls of the second pin rods.

Preferably, first coupling assembling, second coupling assembling, third coupling assembling, fourth coupling assembling, fifth coupling assembling and sixth coupling assembling constitute by round pin axle and nut, and the circumference outer wall one end of round pin axle all opened the external thread groove, the inner wall threaded connection of the internal wall of external thread groove and nut.

Preferably, the top of one side of the first clamping plate, the side of the first clamping plate close to the middle position, the side of the first clamping plate close to the top of the middle position, the bottom of one side of the first clamping plate, one end of the second clamping plate, the tops of two sides of the second U-shaped frame, the other end of the second clamping plate and the tops of two sides of the first U-shaped frame are all provided with fixing holes, and the pin shaft penetrates through the inside of the fixing holes.

Preferably, the top end of the main suspender is in a circular ring structure, and the top of the main suspender is provided with a hanging hole.

The utility model has the advantages that:

1. through the arranged main hanger rod, a lifting hole, an adjusting groove, a first connecting assembly, a first clamping plate, a second connecting assembly, a second clamping plate, a third connecting assembly, a second U-shaped frame, a clamping hoop, a first U-shaped frame, a fourth connecting assembly, a first pin rod, a connecting sheet, a connecting hole, a first spring, a fifth connecting assembly and a pressing roller, the main hanger rod, the first clamping plate, the second U-shaped frame and the first U-shaped frame are movably positioned and connected through the first connecting assembly, the second connecting assembly, the third connecting assembly, the fourth connecting assembly and the fifth connecting assembly in sequence, when the main hanger rod is lifted, the clamping hoop can be inserted on a lifted object, the lifting hole is used for lifting, when a certain pulling force is given to the main hanger rod from the right above, the part at the bottom of the main hanger rod can be pulled downwards under the influence of gravity, at the moment, one end of the first clamping plate close to the main hanger rod moves downwards, first grip block makes the one end that the second grip block is close to first grip block shift up under lever principle's effect, thereby make to support the compression roller and the centre gripping hoop is close to gradually, adjust the top that supports the compression roller with the centre gripping hoop, the gravity of hoist and mount article will be used in centre gripping hoop be close to department, cause the top that supports the compression roller and the bottom one end formation resistance of centre gripping hoop, be convenient for hoist and mount the processing to article, and, at this in-process, first spring opens, when waiting to unload, the pulling force on the main jib disappears, first spring will drive first grip block and second grip block and reset under the effect that resets, thereby will support compression roller and centre gripping hoop and break away from, be convenient for make whole hoist form the effect of automatic unhook.

2. Through the first clamping plate, the second pin rod, the second spring, the limiting plate and the blocking piece which are arranged, when the lifting device is used for lifting, the inclination angle of the limiting plate can be adjusted, one side of the limiting plate is in contact with one side of the blocking piece, the angle formed between the first clamping plate and the second clamping plate is limited, and the stability performance between the first clamping plate and the second clamping plate is kept.

Drawings

Fig. 1 is a schematic view of an overall structure of a lifting appliance with an automatic unhooking function according to the present invention;

fig. 2 is a schematic partial structural view of a rear view of a spreader with an automatic unhooking function according to the present invention;

fig. 3 is a schematic rear view cross-sectional structure diagram of a spreader with an automatic unhooking function according to the present invention;

fig. 4 is the utility model provides a round pin axle and nut structure sketch map of hoist with automatic unhook function.

In the figure: the device comprises a main suspension rod 1, a first clamping plate 2, an adjusting groove 3, a first U-shaped frame 4, a first pin rod 5, a first spring 6, a connecting sheet 7, an abutting roller 8, a clamping hoop 9, a second U-shaped frame 10, a second clamping plate 11, a blocking piece 12, a limiting plate 13, a second spring 14, a second pin rod 15, a lifting hole 16, a nut 17 and a pin shaft 18.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-4, a lifting appliance with an automatic unhooking function comprises a main lifting rod 1, wherein an adjusting groove 3 is formed in one side of the main lifting rod 1 close to a middle position, a first connecting component is arranged on the inner wall of the adjusting groove 3, first clamping plates 2 are movably connected to two sides of the first connecting component, a second connecting component is arranged between the opposite sides of the first clamping plates 2 close to the middle position, a second clamping plate 11 is movably connected to the middle position of the second connecting component, a third connecting component is arranged at the bottom end of the second clamping plate 11, second U-shaped frames 10 are movably connected to two ends of the third connecting component, clamping hoops 9 are welded to the bottoms of the second U-shaped frames 10, a first U-shaped frame 4 is welded to the bottom end of the main lifting rod 1, a fourth connecting component is arranged between the inner walls of two sides of the first U-shaped frame 4 and between the other ends of the second clamping plates 11, and a fifth connecting component is arranged between the bottoms of one side of the two first clamping plates 2, and the intermediate position swing joint of fifth coupling assembling has to support compression roller 8, when giving main jib 1 certain pulling force directly over, can make the part of main jib 1 bottom receive the influence of gravity to stimulate downwards, the one end that first grip block 2 is close to main jib 1 at this moment moves down, first grip block 2 makes the one end that second grip block 11 is close to first grip block 2 shift up under the effect of lever principle, thereby make to support compression roller 8 and centre gripping hoop 9 and be close to gradually, adjust centre gripping hoop 9 into the top of supporting compression roller 8, the gravity of hoist and mount article will be used in the centre that is close to of centre gripping hoop 9, cause the top of supporting compression roller 8 and the bottom one end of centre gripping hoop 9 to form the resistance, be convenient for hoist and mount the processing to article.

Wherein, one end welding that one of them first grip block 2 is close to the bottom has connection piece 7, and the intermediate position of connection piece 7 is opened there is the connecting hole, the welding of one side outer wall bottom of first U type frame 4 has first pin 5, the outer wall of first pin 5 and the inner wall of connecting hole are provided with first spring 6, when waiting to unload, the pulling force on the main jib 1 disappears, first spring 6 will drive first grip block 2 and second grip block 11 under the effect that resets and reset, thereby will support compression roller 8 and centre gripping hoop 9 and break away from, be convenient for make whole hoist form the effect of automatic unhook.

Wherein, be provided with the sixth coupling assembling between the one side inner wall that two first grip blocks 2 are close to the intermediate position top, and the intermediate position swing joint of sixth coupling assembling has limiting plate 13, and second grip block 11 has blockking piece 12 near the top one side welding of intermediate position, and the cross section that stops piece 12 is triangle-shaped, and the one end outer wall that stops piece 12 corresponds with the one end outer wall of limiting plate 13.

Wherein, the one end of the outer wall of limiting plate 13 one side and the outer wall of one side that first grip block 2 is close to the top all weld second round pin 15, and be provided with second spring 14 between the outer wall of second round pin 15, when hoist and mount, the inclination of adjustable limiting plate 13 for one side of limiting plate 13 contacts with one side that stops piece 12, thereby to the angle of formation between first grip block 2 and the second grip block 11 prescribe a limit to, keeps stability can between first grip block 2 and the second grip block 11.

Wherein, first coupling assembling, the second coupling assembling, the third coupling assembling, the fourth coupling assembling, fifth coupling assembling and sixth coupling assembling comprise round pin axle 18 and nut 17, and the circumference outer wall one end of round pin axle 18 has all opened the external thread groove, the inner wall of external thread groove and the inner wall threaded connection of nut 17, through first coupling assembling, the second coupling assembling, the third coupling assembling, fourth coupling assembling and fifth coupling assembling and sixth coupling assembling carry out the activity positioning connection to main jib 1, first grip block 2, second grip block 11, second U type frame 10 and first U type frame 4 and limiting plate 13 and handle.

Wherein, the top of one side of first grip block 2, the one side that first grip block 2 is close to the intermediate position top, the one side bottom of first grip block 2, the one end of second grip block 11, the both sides top of second U type frame 10, the other end of second grip block 11 and the both sides top of first U type frame 4 all have the fixed orifices, and round pin axle 18 all passes the inside of fixed orifices.

Wherein, the top of the main suspender 1 is a circular ring structure, and the top of the main suspender 1 is provided with a hanging hole 16.

The working principle is as follows: the main suspension rod 1, the first clamping plate 2, the second clamping plate 11, the second U-shaped frame 10 and the first U-shaped frame 4 are movably positioned and connected through the first connecting assembly, the second connecting assembly, the third connecting assembly, the fourth connecting assembly and the fifth connecting assembly in sequence, when the main suspension rod 1, the first clamping plate 11, the second U-shaped frame 4 and the first U-shaped frame 4 are hoisted, the clamping hoops 9 can be inserted on hoisted objects, hoisting is carried out through the hoisting holes 16, when a certain tensile force is given to the main suspension rod 1 right above, the bottom part of the main suspension rod 1 can be pulled downwards under the influence of gravity, one end, close to the main suspension rod 1, of the first clamping plate 2 moves downwards, one end, close to the first clamping plate 2, of the second clamping plate 11 moves upwards under the action of the lever principle, so that the pressing rollers 8 are gradually close to the clamping hoops 9, the clamping hoops 9 are adjusted to the upper part of the pressing rollers 8, the gravity of the hoisted objects acts on the middle part, close to the clamping hoops 9, cause the top of propping compression roller 8 and the bottom one end of centre gripping hoop 9 to form the resistance, be convenient for hoist and mount the processing to article, and, in this process, first spring 6 opens, when waiting to unload, the pulling force on the main boom 1 disappears, first spring 6 will drive first grip block 2 and second grip block 11 under the effect that resets and reset, thereby will prop compression roller 8 and break away from with centre gripping hoop 9, be convenient for make whole hoist form the effect of automatic unhook, when hoist and mount, the inclination of adjustable bounding plate 13, make one side of bounding plate 13 contact with one side that stops 12, thereby to the angle of forming between first grip block 2 and the second grip block 11 prescribe a limit, stability can between first grip block 2 and the second grip block 11.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a hoist with automatic unhook function, includes main jib (1), a serial communication port, main jib (1) is opened near one side of intermediate position has adjustment tank (3), and the inner wall of adjustment tank (3) is provided with first connecting assembly, the equal swing joint in both sides of first connecting assembly has first grip block (2), be provided with second coupling assembling between relative one side that first grip block (2) are close to the intermediate position, second coupling assembling's intermediate position swing joint has second grip block (11), the bottom of second grip block (11) is provided with third coupling assembling, third coupling assembling's both ends swing joint has second U type frame (10), the bottom fixedly connected with centre gripping hoop (9) of second U type frame (10), the first U type frame (4) of bottom fixedly connected with of main jib (1), and be provided with fourth coupling assembling between the both sides inner wall of first U type frame (4) and the other end of second grip block (11) And a fifth connecting assembly is arranged between the bottom of one side of the first clamping plate (2), and the middle position of the fifth connecting assembly is movably connected with a pressing roller (8).

2. The lifting appliance with the automatic unhooking function according to claim 1, wherein one end, close to the bottom, of one of the first clamping plates (2) is fixedly connected with a connecting piece (7), a connecting hole is formed in the middle of the connecting piece (7), a first pin rod (5) is fixedly connected to the bottom of the outer wall of one side of the first U-shaped frame (4), and a first spring (6) is arranged on the outer wall of the first pin rod (5) and the inner wall of the connecting hole.

3. The lifting appliance with the automatic unhooking function according to claim 2, wherein a sixth connecting assembly is arranged between the inner walls of the two first clamping plates (2) on one side close to the top of the middle position, a limiting plate (13) is movably connected to the middle position of the sixth connecting assembly, a blocking member (12) is fixedly connected to one side of the second clamping plate (11) on the top of the middle position, the cross section of the blocking member (12) is triangular, and the outer wall of one end of the blocking member (12) corresponds to the outer wall of one end of the limiting plate (13).

4. A spreader with automatic unhooking function according to claim 3, wherein a second pin rod (15) is fixedly connected to one end of the outer wall of one side of the limiting plate (13) and the outer wall of one side of the first clamping plate (2) close to the top, and a second spring (14) is arranged between the outer walls of the second pin rod (15).

5. The lifting appliance with the automatic unhooking function according to claim 4, wherein the first connecting assembly, the second connecting assembly, the third connecting assembly, the fourth connecting assembly, the fifth connecting assembly and the sixth connecting assembly are all composed of a pin shaft (18) and a nut (17), an external thread groove is formed in one end of the circumferential outer wall of the pin shaft (18), and the inner wall of the external thread groove is in threaded connection with the inner wall of the nut (17).

6. The lifting appliance with the automatic unhooking function according to claim 5, wherein fixing holes are formed in the top of one side of the first clamping plate (2), the side of the first clamping plate (2) close to the middle position, the side of the first clamping plate (2) close to the top of the middle position, the bottom of one side of the first clamping plate (2), one end of the second clamping plate (11), the tops of two sides of the second U-shaped frame (10), the other end of the second clamping plate (11) and the tops of two sides of the first U-shaped frame (4), and the pin shafts (18) penetrate through the fixing holes.

7. The spreader with the automatic unhooking function according to claim 1, wherein the top end of the main boom (1) is a circular ring structure, and the top of the main boom (1) is provided with a hanging hole (16).