CN212668983U

CN212668983U - Quick landing leg dismantlement hoist

Info

Publication number: CN212668983U
Application number: CN202020981936.8U
Authority: CN
Inventors: 白连杰; 王鑫; 胡震; 黄遥; 许昌龙
Original assignee: Jiangsu Zhenjiang New Energy Equipment Co ltd
Current assignee: Jiangsu Zhenjiang New Energy Equipment Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-03-09
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses a quick-dismantling supporting leg lifting appliance, which comprises a lifting ring and a bolt, wherein the lifting ring is tightly connected with the bolt, after the lifting appliance is arranged at the end part of a workpiece, the lifting of the workpiece can be directly realized through the lifting appliance, when the lifting appliance reaches a dispatching position, the lifting ring is pulled through a pull rope to drive the bolt to a mounting hole, the head part of the bolt is separated from the workpiece, and then the lifting appliance can automatically fall off; and then can reduce operating personnel's working strength, raise the efficiency, also need not carry out aerial operation to aerial handling installation simultaneously, reduce the potential safety hazard, reduce the incident.

Description

Quick landing leg dismantlement hoist

Technical Field

The utility model relates to a hoist technical field, specific saying so relates to a dismantle landing leg hoist fast.

Background

For the transportation loading and low-altitude hoisting of pipe or bar workpieces, the existing majority adopt the method that a hoisting tool is connected and disassembled through bolts, and when the loading position is reached, the hoisting tool is disassembled; on one hand, the labor intensity is increased, the labor is wasted, and the efficiency is reduced; on the other hand, because the pipe or the bar is longer and higher, when the pipe or the bar is lifted to an aerial loading position, an operator is required to carry out aerial operation, and certain potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides a quick disassembly supporting leg lifting appliance.

A quick-disassembly supporting leg lifting appliance is arranged on end plates at two ends of a workpiece, a plurality of mounting holes are formed in the end plates, and the supporting leg lifting appliance corresponds to the mounting holes one by one; the supporting leg lifting appliance comprises a lifting appliance body, a shackle, a bolt, a spring seat nut and a lifting ring; the top of the hanger body is provided with a first through hole penetrating through the left and right surfaces of the hanger body, a shackle screw is arranged in the first through hole, the shackle body is connected with the hanger body through the shackle screw, the shackle screw sequentially penetrates through the shackle body and the first through hole, and the shackle body can rotate on the shackle screw; a notch is formed in one side, close to the mounting hole, of the hanger body, a second through hole penetrating through the bottom surface of the hanger body is formed in the bottom surface of the notch, and a third through hole extending upwards is formed in the top surface of the notch; the spring seat comprises a spring and a circular tube, the spring is arranged in the circular tube, one end of the circular tube is fixedly connected with the bottom surface of the lifting appliance body, the other end of the circular tube is fixedly connected with the inner wall of the bottom surface of the spring seat nut through threads, and the bolt sequentially penetrates through the spring seat nut, the spring, the circular tube, the second through hole and the mounting hole and then enters the third through hole; the bolt bottom is opened has the fourth through-hole that upwards extends, and the rings top surface passes through the screw and is connected with fourth through-hole.

By the utility model discloses a preferred scheme, around circumference an organic whole being connected with first step and second step on the bolt, first step diameter is less than the pipe internal diameter, is greater than the diameter of second through-hole, first step top surface and the contact of hoist body bottom surface, and second step diameter is less than the spring internal diameter, and the spring housing is on the second step.

By the utility model discloses a preferred scheme, spring seat nut bottom surface inner wall is opened has downwardly extending's fifth through-hole, and spring seat nut bottom surface outer wall is opened has the sixth through-hole of upwards extending, fifth through-hole and sixth through-hole intercommunication, and the diameter of fifth through-hole is greater than the sixth through-hole, is less than the pipe diameter.

By the utility model discloses a preferred scheme, the interval of notch top surface and bottom surface is greater than the thickness of work piece end plate.

By the utility model discloses a preferred scheme, the stay cord has been tied on the pull ring.

By the utility model discloses a preferred scheme, the opposite fixedly connected with handle of the one side of hoist body is equipped with the notch.

By the utility model discloses a preferred scheme, the length of bolt in mounting hole and third through hole is less than the compression length of the spring in the spring holder.

The utility model has the advantages that: after the lifting appliance is arranged at the end part of the workpiece, the lifting of the workpiece can be directly realized through the lifting appliance, and when the workpiece reaches a dispatching position, the lifting appliance can automatically fall off only by pulling the bolt through the pull rope until the head part of the bolt is separated from the mounting hole; and then can reduce operating personnel's working strength, raise the efficiency, also need not carry out aerial operation to aerial handling installation simultaneously, reduce the potential safety hazard, reduce the incident.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of the present invention:

fig. 2 is a front view of a leg spreader;

figure 3 is a cross-sectional view of the leg spreader taken along line a-a;

wherein: the lifting ring comprises a lifting ring 1, a bolt 2, a spring seat nut 3, a spring seat 4, a handle 5, an end plate 6, a shackle screw 7, a shackle body 8, a lifting tool body 9, a mounting hole 10, a workpiece 11, a lifting ring screw 12, a fourth through hole 13, a sixth through hole 14, a fifth through hole 15, a circular tube 16, a second step 17, a second through hole 18, a third through hole 19, a first step 20 and a spring 21.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The figures are simplified schematic diagrams illustrating the basic structure of the invention in a schematic way only, and therefore they show only the components relevant to the invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, the two components can be communicated with each other inside, the fixed connection can be welding, gluing and the like, and for those skilled in the art, the specific meaning of the terms in the present invention can be understood according to specific situations.

As shown in fig. 1-3, a hanger for quickly disassembling a supporting leg is mounted on an end plate 6 at one end of a workpiece 11, a plurality of mounting holes 10 are formed in the end plate 6, and the hanger for supporting leg corresponds to one of the mounting holes 10, so that the operation of the workpiece 11 in a lifting process is facilitated, and the transportation is facilitated.

The supporting leg lifting appliance comprises a lifting appliance body 9, a shackle body 8, a bolt 2, a spring seat nut 3, a spring 21, a round pipe 4 and a lifting ring 1; the top of the hanger body 9 is provided with a first through hole penetrating through the left and right surfaces of the hanger 9, a shackle screw 7 is arranged in the first through hole, the shackle body 8 is connected with the hanger body 9 through the shackle screw 7, the shackle screw 7 sequentially penetrates through the shackle body 8 and the first through hole, and the shackle body 8 can rotate on the shackle screw 7; the shackle body 8 rotates, can adapt to various forces generated by the direction change of the workpiece 11 in the hoisting process, and is convenient for hoisting.

A notch is formed in one side, close to the mounting hole 10, of the hanger body 9, the distance between the top surface and the bottom surface of the notch is larger than the thickness of the workpiece end plate 6, a second through hole 18 penetrating through the bottom surface of the hanger body 9 is formed in the bottom surface of the notch, and a third through hole 19 extending upwards is formed in the top surface of the notch; the notch is matched with the workpiece end plate 6, the top surface and the bottom surface of the notch play a supporting role, and meanwhile, the second through hole 18 and the third through hole 19 are arranged, so that the passing performance of the bolt 2 is facilitated, and the lifting appliance is fixed on the workpiece end plate 6.

The spring seat 4 comprises a spring 21 and a round pipe 16, the spring 21 is arranged in the round pipe 16, one end of the round pipe 16 is fixedly connected with the bottom surface of the lifting appliance body 9, the other end of the round pipe is fixedly connected with the inner wall of the bottom surface of the spring seat nut 3, and the bolt 2 sequentially penetrates through the spring seat nut 3, the spring 21, the round pipe 16, the second through hole 18 and the mounting hole 10 and then enters the third through hole 19; through setting up spring holder 4, can make 2 on the one hand of bolt realize the protrusion through spring 21, make the hoist fix on work piece end plate 6, on the other hand also directly can make the hoist break away from work piece end plate 6 through compression spring 21 equally, need not to carry out artifical dismantlement, convenient and fast.

The bottom of the bolt 2 is provided with a fourth through hole 13 extending upwards, the top of the lifting ring 1 is integrally connected with a lifting ring screw 12, and the lifting ring screw 12 is connected with the fourth through hole 13; the bolt 2 can be compressed by the spring 21 by pulling the lifting ring 1, so that the bolt 2 retreats, and exits from the third through hole 19 and the mounting hole 10 of the workpiece 11, so that the lifting appliance is separated from the workpiece end plate 6, and the purpose of quick disassembly is realized.

A first step 20 and a second step 17 are integrally connected to the bolt 2 around the circumference, the diameter of the first step 20 is smaller than the inner diameter of the circular tube 16 and larger than the diameter of the second through hole 18, the top surface of the first step 20 is in contact with the bottom surface of the lifting appliance body 9, the diameter of the second step 17 is smaller than the inner diameter of the spring 21, and the spring 21 is sleeved on the second step 17; the first step 20 is provided for limiting the bolt 2 from entering the second through hole 18 of the hanger body 9, and for limiting the spring 21 and further keeping the tension of the spring 21; the second step 17 is provided, and the spring 21 is sleeved on the second step 17, so that the direction of the force of the spring 21 can be limited, namely, the direction is limited along the direction of the bolt 2.

A fifth through hole 15 extending downwards is formed in the inner wall of the bottom surface of the spring seat nut 3, a sixth through hole 14 extending upwards is formed in the outer wall of the bottom surface of the spring seat nut 3, the fifth through hole 15 is communicated with the sixth through hole 14, and the diameter of the fifth through hole 15 is larger than that of the sixth through hole 14 and smaller than that of the round pipe 16; one end of the spring 21 is sleeved on the second step 17, and the other end of the spring 21 is positioned between the fifth through hole 15 and the sixth through hole 14, so that the spring 21 can only transmit force in the direction of the bolt 2.

The lifting device is characterized in that a pull rope is tied on the lifting ring 1, and the pull rope is matched with the lifting ring 1, so that the lifting device can be conveniently separated from the ground by directly pulling the pull rope when the lifting device is lifted to the ground level.

The opposite fixedly connected with handle 5 of the one side that the hoist body 9 was equipped with the notch sets up handle 5, conveniently carries to the hoist and takes and install on work piece end plate 6.

The length of the bolt 2 in the mounting hole 10 and the third through hole 19 is less than the compression stroke of the spring 21; if the length of the bolt 2 in the mounting hole 10 and the third through hole 19 is greater than the compression length of the spring, after the bolt 2 moves the maximum distance, the head of the bolt 2 does not break away from the mounting hole 10 and the hole 10 of the end plate 6 of the workpiece 11, and the purpose that the hanger breaks away from the end plate 6 cannot be achieved.

In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A quick-disassembly supporting leg lifting appliance is arranged on end plates (6) at two ends of a workpiece (11), a plurality of mounting holes (10) are formed in the end plates (6), and the supporting leg lifting appliance is in one-to-one correspondence with the mounting holes (10); the method is characterized in that: the supporting leg lifting appliance comprises a lifting appliance body (9), a shackle body (8), a bolt (2), a spring seat (4), a spring seat nut (3) and a lifting ring (1); the top of the hanger body (9) is provided with a first through hole penetrating through the left and right sides of the hanger body (9), a shackle screw (7) is arranged in the first through hole, the shackle body (8) is connected with the hanger body (9) through the shackle screw (7), the shackle screw (7) sequentially penetrates through the shackle body (8) and the first through hole, and the shackle body (8) can rotate on the shackle screw (7); a notch is formed in one side, close to the mounting hole (10), of the hanger body (9), a second through hole (18) penetrating through the bottom surface of the hanger body (9) is formed in the bottom surface of the notch, and a third through hole (19) extending upwards is formed in the top surface of the notch; the spring seat (4) comprises a spring (21) and a round pipe (16), the spring (21) is arranged inside the round pipe (16), one end of the round pipe (16) is fixedly connected with the bottom surface of the hanger body (9), the other end of the round pipe is fixedly connected with the inner wall of the bottom surface of the spring seat nut (3) through threads, and the bolt (2) sequentially penetrates through the spring seat nut (3), the spring (21), the round pipe (16), the second through hole (18) and the mounting hole (10) and then enters the third through hole (19); the bottom of the bolt (2) is provided with a fourth through hole (13) extending upwards, and the top surface of the hanging ring (1) is connected with the fourth through hole (13) through threads.

2. The quick release leg hanger of claim 1, wherein: the bolt (2) is connected with a first step (20) and a second step (17) around the circumference, the diameter of the first step (20) is smaller than the inner diameter of the circular tube (16) and larger than the diameter of the second through hole (18), the top surface of the first step (20) is contacted with the bottom surface of the hanger body (9), the diameter of the second step (17) is smaller than the inner diameter of the spring (21), and the spring (21) is sleeved on the second step (17).

3. The quick release leg hanger of claim 1, wherein: the inner wall of the bottom surface of the spring seat nut (3) is provided with a fifth through hole (15) extending downwards, the outer wall of the bottom surface of the spring seat nut (3) is provided with a sixth through hole (14) extending upwards, the fifth through hole (15) is communicated with the sixth through hole (14), and the diameter of the fifth through hole (15) is larger than the sixth through hole (14) and smaller than the diameter of the circular tube (16).

4. The quick release leg hanger of claim 1, wherein: the distance between the top surface and the bottom surface of the notch is larger than the thickness of the workpiece end plate (6).

5. The quick release leg hanger of claim 1, wherein: a pull rope is tied on the hanging ring (1).

6. The quick release leg hanger of claim 1, wherein: the opposite surface of the side of the hanger body (9) provided with the notch is fixedly connected with a handle (5).

7. The quick release leg hanger of claim 1, wherein: the length of the bolt (2) in the mounting hole (10) and the third through hole (19) is smaller than the compression length of a spring (21) in the spring seat (4).