CN112723215A

CN112723215A - Winch stall self-locking device for preventing stall from hurting people in winch using process

Info

Publication number: CN112723215A
Application number: CN202011544683.9A
Authority: CN
Inventors: 刘启俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-04-30

Abstract

The invention relates to the technical field of winches and discloses a winch stall self-locking device for preventing people from being stalled and injured in the using process of a winch. This avoid winch stall self-lock device that people was hindered to stall in the winch use, when the winch took place the stall condition, slider and fixed block contact this moment for the electrorheological body becomes the solid by liquid, further makes the rolling disc unable rotation, thereby has reached and has prevented that the winch from taking place the effect that the people condition was hindered to stall at the in-process of lifting by crane. The cross rod is pulled upwards, the sliding block is separated from the fixing block at the moment, the electrorheological body is further changed from solid to liquid, the limiting block is not clamped by the limiting rod at the moment, the rotating disc is further enabled to recover to rotate, and therefore the effect of recycling and avoiding unnecessary waste is achieved.

Description

Winch stall self-locking device for preventing stall from hurting people in winch using process

Technical Field

The invention relates to the technical field of winches, in particular to a winch stall self-locking device for preventing people from being injured due to stall in the using process of a winch.

Background

The winch is also called a winch, is light and small hoisting equipment for hoisting or pulling heavy objects by winding a steel wire rope or a chain by using a winding drum, can be used independently, and also can be used as a component part in machinery such as hoisting, road building, mine hoisting and the like.

In the use process of the winch, due to the fact that the lifted heavy object has certain mass, in the working process, stalling and falling can occur due to mechanical failure or other reasons, not only are great potential safety hazards exist for field workers, but also equipment can be damaged possibly, unnecessary economic loss is caused, and how to prevent the situation that the winch stalls and hurts people in the lifting process becomes an important problem, and therefore the winch stalling self-locking device capable of preventing the winch stalls and hurts people in the use process is provided.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the winch stall self-locking device for avoiding people injury caused by stall in the using process of the winch, which has the advantage of preventing people injury caused by stall in the hoisting process of the winch, and solves the problems that the situation that the stall falls possibly due to mechanical failure or other reasons in the working process because the hoisted heavy object has certain mass, not only is great potential safety hazard to field workers exist, but also equipment can be damaged possibly, and further unnecessary economic loss is caused.

(II) technical scheme

In order to achieve the purpose of preventing the winch from stalling and injuring people in the hoisting process, the invention provides the following technical scheme: a winch stall self-locking device for preventing people from being injured due to stall in the use process of a winch comprises a fixed disc, a sliding groove is formed in the fixed disc, an electrorheological body is movably connected in the sliding groove, a first spring is fixedly connected to the bottom of the inside of the sliding groove, a sliding block is fixedly connected to one side, away from the sliding groove, of the first spring, a limiting rod is fixedly connected to the top of the sliding block, a rotating disc is movably connected in the fixed disc, a limiting block is fixedly connected to the bottom of the front side of the rotating disc, a chute is formed in the rotating disc, a second spring is fixedly connected to the inside of the right side of the chute, a sliding block is fixedly connected to one side, away from the chute, of the second spring, a fixed block is fixedly connected to the inside of the left side of the chute, a third, the front of the movable block is fixedly connected with a cross rod, the bottom of the movable block is fixedly connected with a vertical rod, and one side of the vertical rod, far away from the movable block, is fixedly connected with a wedge-shaped block.

Preferably, the main materials of the electrorheological fluid are gypsum, lime, carbon powder and olive oil, the electrorheological fluid is solid in an electrified state and liquid in a non-electrified state, and the electrorheological fluid is movably connected to the bottom inside the sliding groove and the bottom of the sliding block.

Preferably, the sliding block is slidably connected to the inside of the sliding groove.

Preferably, the number of the limiting rods is the same as that of the limiting blocks, and the limiting rods are uniformly distributed in the fixed disc.

Preferably, the number of the limiting blocks is not less than eight, the limiting blocks are uniformly distributed on the outer side of the rotating disc, and the space between the two limiting blocks is matched with the volume of the top of the limiting rod.

Preferably, the slider and the fixed block are charged differently, and the slider and the fixed block are electrically connected with the current transformer.

Preferably, the bottom of the wedge-shaped block is movably connected between the sliding block and the fixed block, and the right side of the wedge-shaped block is provided with an inclined radian.

(III) advantageous effects

Compared with the prior art, the invention provides a winch stall self-locking device for preventing people from being injured by stall in the use process of a winch, which has the following beneficial effects:

1. this avoid winch stall self-lock device that people was hindered to stall in the winch use uses through the cooperation of rolling disc and current variant, slider, fixed block, gag lever post, stopper, when the winch took place the stall condition, slider and fixed block contact this moment further make the current variant become the solid by liquid, and the gag lever post can block the stopper this moment, further makes the rolling disc can't rotate to reached and prevented that the winch from taking place the effect that the people's condition was hindered to stall at the in-process of lifting by crane.

2. This avoid winch stall self-lock device that people was hindered to stall in the winch use uses through the cooperation of horizontal pole and rolling disc, slider, fixed block, electrorheological body, gag lever post, stopper, upwards pulls the horizontal pole, and slider and fixed block separation this moment further make the electrorheological body become liquid by the solid, and the gag lever post is not blocking the stopper this moment, further makes the rolling disc resume the rotation to reached the effect that recycles and avoid unnecessary waste.

Drawings

FIG. 1 is a schematic front view of the overall structure of the present invention;

FIG. 2 is a schematic front view of a stop lever according to the present invention;

FIG. 3 is a schematic front view of the chute structure of the present invention;

fig. 4 is a schematic diagram of the movement of the slider structure of the present invention.

In the figure: 1. fixing the disc; 2. a chute; 3. an electrorheological fluid; 4. a first spring; 5. a slider; 6. a limiting rod; 7. rotating the disc; 8. a limiting block; 9. a chute; 10. a second spring; 11. a slider; 12. a fixed block; 13. a third spring; 14. a movable block; 15. a cross bar; 16. a vertical rod; 17. a wedge-shaped block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a winch stall self-locking device for preventing people from being injured due to stall in the use process of a winch comprises a fixed disc 1, a chute 2 is formed in the fixed disc 1, an electrorheological body 3 is movably connected in the chute 2, the electrorheological body 3 is mainly made of gypsum, lime, carbon powder and olive oil, the electrorheological body 3 is solid in an electrified state and liquid in a non-electrified state, a spring I4 is fixedly connected to the bottom of the chute 2, a sliding block 5 is fixedly connected to one side, away from the chute 2, of the spring I4, the sliding block 5 is slidably connected in the chute 2, the electrorheological body 3 is movably connected to the bottom of the chute 2 and the bottom of the sliding block 5, a limiting rod 6 is fixedly connected to the top of the sliding block 5, the number of the limiting rods 6 is the same as that of the limiting blocks 8, the number of the limiting blocks 8 is not less than eight, the space between the two limit blocks 8 is matched with the volume of the top of the limit rod 6, the limit rods 6 are uniformly distributed in the fixed disk 1, the rotating disk 7 is movably connected in the fixed disk 1, the limit blocks 8 are fixedly connected to the bottom of the front side of the rotating disk 7, the inclined groove 9 is formed in the rotating disk 7, the spring II 10 is fixedly connected to the inner part of the right side of the inclined groove 9, the sliding block 11 is fixedly connected to one side, away from the inclined groove 9, of the spring II 10, the fixed block 12 is fixedly connected to the inner part of the left side of the inclined groove 9, the sliding block 11 and the fixed block 12 have different charges, the sliding block 11, the fixed block 12 and the current variant 3 are electrically connected, the spring III 13 is fixedly connected to the top of the inner part of the inclined groove 9, the movable block 14 is fixedly connected to one side, away from the, the side of the vertical rod 16 far away from the movable block 14 is fixedly connected with a wedge-shaped block 17, the bottom of the wedge-shaped block 17 is movably connected between the sliding block 11 and the fixed block 12, and the right side of the wedge-shaped block 17 has an inclined radian.

The working principle of the winch is that referring to fig. 3 and 4 in detail, when the winch stalls, the rotating disc 7 can rotate rapidly under the gravity acceleration of a heavy object, the inclined groove 9 is formed in the rotating disc 7, the spring II 10 is fixedly connected to the inner portion of the right side of the inclined groove 9, the sliding block 11 is fixedly connected to one side, far away from the inclined groove 9, of the spring II 10, the sliding block 11 can move to the left side by overcoming the deformation acting force of the spring II 10, and the fixed block 12 is fixedly connected to the inner portion of the left side of the inclined groove 9, so that the sliding block 11 can be close to the fixed block 12.

And because the bottom of the wedge-shaped block 17 is movably connected between the sliding block 11 and the fixed block 12, and the right side of the wedge-shaped block 17 has an inclined radian, at this time, the wedge-shaped block 17 can move upwards, and because the side of the spring three 13 far away from the chute 9 is fixedly connected with the movable block 14, the bottom of the movable block 14 is fixedly connected with the vertical rod 16, and the side of the vertical rod 16 far away from the movable block 14 is fixedly connected with the wedge-shaped block 17, when the sliding block 11 is in contact with the fixed block 12 under the action of centrifugal force, at this time, the wedge-shaped block 17 can.

Referring to fig. 1 in detail, because the sliding block 11 and the fixed block 12 have different charges, there is an electrical connection relationship between the sliding block 11 and the fixed block 12 and the current variant 3, so the current variant 3 is powered on, because the main materials of the current variant 3 are gypsum, lime, carbon powder and olive oil, the current variant 3 is solid in the powered on state and liquid in the non-powered on state, so the current variant 3 is changed from liquid to solid in the powered on state, because the current variant 3 is movably connected to the bottom inside the sliding chute 2 and the bottom of the sliding block 5, the sliding block 5 moves upwards, because the top of the sliding block 5 is fixedly connected with the limit rods 6, the number of the limit rods 6 is the same as the number of the limit blocks 8, the gap between the two limit blocks 8 is matched with the volume of the top of the limit rods 6, so the limit blocks 8 are blocked, and because the bottom of the front side of the rotating disc 7, therefore, the rotating disc 7 cannot rotate at the moment, and the effect of preventing the winch from stalling and hurting people in the hoisting process is achieved.

After the overhaul of the equipments is completed, the cross rod 15 is pulled upwards at the moment, because the front fixedly connected with cross rod 15 of the movable block 14, the movable block 14 can also move upwards at the moment, because the bottom fixedly connected with vertical rod 16 of the movable block 14, one side of the vertical rod 16 far away from the movable block 14 is fixedly connected with a wedge block 17, so the wedge block 17 can also move upwards at the moment, the wedge block 17 does not block the sliding block 11 at the moment, because the inside fixedly connected with spring II 10 on the right side of the chute 9 and one side of the spring II 10 far away from the chute 9 are fixedly connected with the sliding block 11, so the sliding block 11 can reset under the action of the spring II 10 at the moment, the sliding block 11 is separated from the fixed block 12 at the moment, the current variant 3 is further uncharged, the limiting block 8 is not blocked by the limiting rod 6 at.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an avoid winch stall self-lock device that people were hindered to stall in the winch use, includes fixed disk (1), its characterized in that: the improved structure of the chute comprises a fixed disk (1), wherein a chute (2) is formed in the fixed disk (1), an electrorheological body (3) is movably connected in the chute (2), a first spring (4) is fixedly connected to the bottom of the chute (2), a sliding block (5) is fixedly connected to one side, away from the chute (2), of the first spring (4), a limiting rod (6) is fixedly connected to the top of the sliding block (5), a rotating disk (7) is movably connected in the fixed disk (1), a limiting block (8) is fixedly connected to the front bottom of the rotating disk (7), a chute (9) is formed in the rotating disk (7), a second spring (10) is fixedly connected to the inner part of the right side of the chute (9), a sliding block (11) is fixedly connected to one side, away from the chute (9), of the second spring (10), and a fixed block (, the chute is characterized in that a spring III (13) is fixedly connected to the top of the interior of the chute (9), a movable block (14) is fixedly connected to one side, away from the chute (9), of the spring III (13), a cross rod (15) is fixedly connected to the front side of the movable block (14), a vertical rod (16) is fixedly connected to the bottom of the movable block (14), and a wedge-shaped block (17) is fixedly connected to one side, away from the movable block (14), of the vertical rod (16).

2. The winch stall self-locking device for avoiding stall injury in the winch using process as claimed in claim 1, wherein: the main materials of the electrorheological body (3) are gypsum, lime, carbon powder and olive oil, the electrorheological body (3) is solid in an electrified state and liquid in a non-electrified state, and the electrorheological body (3) is movably connected to the bottom inside the sliding groove (2) and the bottom of the sliding block (5).

3. The winch stall self-locking device for avoiding stall injury in the winch using process as claimed in claim 1, wherein: the sliding block (5) is connected inside the sliding groove (2) in a sliding mode.

4. The winch stall self-locking device for avoiding stall injury in the winch using process as claimed in claim 1, wherein: the number of the limiting rods (6) is the same as that of the limiting blocks (8), and the limiting rods (6) are uniformly distributed in the fixed disc (1).

5. The winch stall self-locking device for avoiding stall injury in the winch using process as claimed in claim 1, wherein: eight are no less than in the quantity of stopper (8), and these stopper (8) even distribution are in the outside of rolling disc (7), the space between two stopper (8) and the volume looks adaptation at gag lever post (6) top.

6. The winch stall self-locking device for avoiding stall injury in the winch using process as claimed in claim 1, wherein: the sliding block (11) and the fixed block (12) are provided with different charges, and the sliding block (11) and the fixed block (12) are in electrical connection with the current transformer (3).

7. The winch stall self-locking device for avoiding stall injury in the winch using process as claimed in claim 1, wherein: the bottom of the wedge-shaped block (17) is movably connected between the sliding block (11) and the fixed block (12), and the right side of the wedge-shaped block (17) is provided with an inclined radian.