CN112645229A

CN112645229A - Accidental weightlessness-avoiding falling assembly for hoisting of winch

Info

Publication number: CN112645229A
Application number: CN202011629961.0A
Authority: CN
Inventors: 朱征东
Original assignee: Xiangshan Guangye Machinery Co ltd
Current assignee: Xiangshan Guangye Machinery Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-04-13

Abstract

The invention relates to the technical field of winches and discloses an accidental weightlessness and falling prevention assembly for hoisting of a winch. This hoist jack-up is with avoiding unexpected weightless tenesmus subassembly, move to the outside through the rope dish, and then make the rope dish extrusion trigger and hold in the palm the hand motion, thereby make trigger and hold in the palm the hand and promote push rod and connecting block and move to the outside, and then through the closed condition of control contact and second grade contact, can make the inside current variant of inflation piece get electric, and then make the moving mechanism promote the motion to the inside of revolving stage, thereby make the motion of revolving stage restriction fixed head, thereby make the weightlessness status of hoist engine restricted, and then improved the work safety nature of hoist engine.

Description

Accidental weightlessness-avoiding falling assembly for hoisting of winch

Technical Field

The invention relates to the technical field of winches, in particular to an accidental weightlessness and falling prevention assembly for hoisting of a winch.

Background

Along with the vertical development of building, more and more high-rise buildings appear in people's daily life, and high-rise building is when the construction, and the material leads to the fact the decline of efficiency of construction through artificial transport inevitable, and consequently the hoist engine has had market demand, and the hoist engine can be with the required material of building, transports the eminence through hoisting equipment, and then makes the efficiency of construction of building improved.

The existing winch winds the steel rope through the winding drum and is matched with the operation of the motor, so that the winch can lift heavy objects, but the braking effect of the existing winch is not ideal, the up-down limiting stop response is slow, so that when materials are lifted vertically, the internal stress change of the steel rope can exist, the lifted materials are subjected to weightless falling, and the life safety of field constructors is threatened.

Aiming at the problems, the invention provides an accidental weight loss falling prevention component for hoisting of a winch, which has the advantages of good braking effect and quick response.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an accidental weightlessness and falling prevention component for hoisting of a winch, which has the advantages of good braking effect and quick response and solves the problems of poor braking effect and slow response.

(II) technical scheme

In order to solve the technical problems, the invention provides the following technical scheme:

a component for avoiding accidental weightlessness and falling for hoisting of a winch comprises a weightlessness prevention mechanism, wherein a rotating shaft is rotatably connected at the center inside the weightlessness prevention mechanism, a fixed plate is movably connected at the outer side of the rotating shaft, a rotating plate is movably connected at the outer side of the fixed plate, a special-shaped block is movably connected at the outer side of the rotating plate, a special-shaped groove is movably connected at the outer side of the special-shaped block, a fixed block is fixedly connected at the outer side of the fixed plate, a rope is movably connected at the back of the fixed block, a rope disc is rotatably connected at the outer side of the rope, a trigger supporting hand is movably connected at the outer side of the rope disc, a push rod is fixedly connected at the top of the trigger supporting hand, a transverse punching rod is movably connected at the outer side of the push rod, a buffer rope is wound at the outer side of the transverse punching rod, the top of the control contact is provided with a secondary contact.

Preferably, the fixed plate and the rotating plate are coaxially arranged, and an included angle between the fixed plate and the rotating plate is an acute angle.

Preferably, the number of the triggering support hands is six, the six triggering support hands are uniformly distributed on the outer side of the rope disc, and the specifications of the triggering support hands are the same.

Preferably, the top of the secondary contact is movably connected with a control block, the outer side of the control block is electrically connected with a lead, and the control block is made of a conductive material.

Preferably, the outer side of the lead is provided with an installation block, and the top of the installation block is fixedly connected with a fixing head.

Preferably, the top of the fixed head is provided with an expansion block, the outer side of the expansion block is movably connected with a movable mechanism, and an electrorheological fluid is arranged inside the expansion block.

Preferably, the inner side of the movable mechanism is rotatably connected with a rotating table, the bottom of the movable mechanism is movably connected with brake blocks, the brake blocks are symmetrically distributed on the left side and the right side of the fixed head, and a gap is formed between the expansion block and the fixed head.

(III) advantageous effects

Compared with the prior art, the invention provides an accidental weightlessness and falling prevention component for hoisting of a winch, which has the following beneficial effects:

1. this hoist jack-up is with avoiding unexpected weightless tenesmus subassembly, move to the outside through the rope dish, and then make the rope dish extrusion trigger and hold in the palm the hand motion, thereby make trigger and hold in the palm the hand and promote push rod and connecting block and move to the outside, and when the hoist engine appears slight weightlessness, the impetus that triggers and hold in the palm the hand is little, can make the control contact close, and when the hoist engine appears serious weightlessness, the impetus that triggers and holds in the palm the hand is big, can make control contact and second grade contact all close, and then through the closed condition of control contact and second grade contact, can make the inside current variant of inflation piece get electric, thereby make the current variant sclerosis promote the inflation piece and move to the outside, and then make the movable mechanism promote the revolving stage and move to the inboard, thereby make the motion of revolving stage restriction fixed head, thereby make the weightless state of hoist engine.

2. This hoist engine jack-up is with avoiding unexpected weightless tenesmus subassembly, through the outside that will prevent that weightless mechanism installs the pivot, and then make the pivot drive rope dish rotate, and then the rope inside when the rope dish can be under the cooperation of fixed plate and rotor plate, steady operation, thereby make that the hoist engine can be stable make the rope drive hoisting device drive the stable promotion, and the outside evenly distributed of rope dish has the trigger to hold in the palm the hand, and then the messenger triggers the abnormal state that holds in the palm the monitoring rope dish that the hand can be diversified.

Drawings

FIG. 1 is a schematic view of the connection of the anti-loss mechanism of the present invention.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is an enlarged schematic view of a portion B in fig. 1.

Fig. 4 is a schematic view of the cord wrap attachment of the present invention.

Fig. 5 is a schematic connection diagram of the weight loss triggering mechanism of the present invention.

In the figure: 1. an anti-weightlessness mechanism; 2. a rotating shaft; 3. a fixing plate; 4. a rotating plate; 5. a shaped block; 6. a special-shaped groove; 7. a fixed block; 8. a rope; 9. a rope reel; 10. triggering the supporting hand; 11. a push rod; 12. a transverse punching rod; 13. a buffer rope; 14. connecting blocks; 15. a conductive block; 16. a spring; 17. a control contact; 18. a secondary contact; 19. a control block; 20. a wire; 21. mounting blocks; 22. a fixed head; 23. an expansion block; 24. a movable mechanism; 25. a rotating table; 26. a brake pad.

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. 1-5, an accidental weightlessness and falling prevention assembly for hoisting a winch comprises a weightlessness prevention mechanism 1, wherein a rotating shaft 2 is rotatably connected to the center inside the weightlessness prevention mechanism 1, a fixed plate 3 is movably connected to the outer side of the rotating shaft 2, a rotating plate 4 is movably connected to the outer side of the fixed plate 3, a special-shaped block 5 is movably connected to the outer side of the rotating plate 4, and a special-shaped groove 6 is movably connected to the outer side of the special-shaped block 5.

The outside fixedly connected with fixed block 7 of fixed plate 3, the back swing joint of fixed block 7 has rope 8, and the outside of rope 8 is rotated and is connected with rope dish 9, and the outside swing joint of rope dish 9 triggers and holds in the palm hand 10, triggers the top fixedly connected with push rod 11 that holds in the palm hand 10, and the outside swing joint of push rod 11 has horizontal jumper 12, and the outside winding of horizontal jumper 12 has buffer rope 13.

The top of the push rod 11 is fixedly connected with a connecting block 14, the outer side of the connecting block 14 is movably connected with a conductive block 15, the top of the conductive block 15 is elastically connected with a spring 16, the outer side of the spring 16 is provided with a control contact 17, and the top of the control contact 17 is provided with a secondary contact 18.

Wherein, fixed plate 3 and rotor plate 4 coaxial arrangement, and the contained angle between fixed plate 3 and the rotor plate 4 is the acute angle to be convenient for fixed plate 3 and rotor plate 4 coaxial rotation.

The number of the trigger supporting hands 10 is six, the six trigger supporting hands 10 are uniformly distributed on the outer side of the rope disc 9, and the specifications of each trigger supporting hand 10 are the same, so that the trigger supporting hands 10 can monitor the motion track of the rope disc 9 conveniently.

The top of the secondary contact 18 is movably connected with a control block 19, the outer side of the control block 19 is electrically connected with a lead 20, and the control block 19 is made of a conductive material, so that the secondary contact 18 is electrically connected with the control block 19 and the lead 20 conveniently.

Wherein, the outside of wire 20 is equipped with installation piece 21, and the top fixedly connected with fixed head 22 of installation piece 21 to be convenient for installation piece 21 to carry out abundant fixed to fixed head 22.

Wherein, the top of the fixed head 22 is provided with an expansion block 23, the outer side of the expansion block 23 is movably connected with a movable mechanism 24, the inside of the expansion block 23 is provided with an electrorheological fluid, and the outer wall of the expansion block 23 is made of rubber material.

Wherein, the inner side of the movable mechanism 24 is rotatably connected with a rotating platform 25, the bottom of the movable mechanism 24 is movably connected with brake blocks 26, the brake blocks 26 are symmetrically distributed at the left and right sides of the fixed head 22, and a gap is arranged between the expansion block 23 and the fixed head 22, thereby being convenient for the brake blocks 26 to fix the fixed head 22.

When using, through the outside of installing pivot 2 with anti-weightlessness mechanism 1, and then make pivot 2 drive rope dish 9 rotate, and then can be under the cooperation of fixed plate 3 and rotor plate 4 when the inside rope 8 of rope dish 9, steady operation, thereby make that the hoist engine can be stable make the rope drive hoisting device and stably promote, and the outside evenly distributed of rope dish 9 has the trigger to hold in the palm hand 10, and then make the trigger hold in the palm the monitoring rope dish 9 abnormal conditions that hand 10 can be diversified.

When the hoist is weightless, the rope disc 9 can move outwards, and the rope disc 9 can extrude the trigger hand holder 10 to move, so that the trigger hand holder 10 pushes the push rod 11 and the connecting block 14 to move outwards, and when the winch is slightly weightless, the pushing force of the trigger hand holder 10 is small, the control contact 17 is closed, when the winch has serious weightlessness, the pushing force for triggering the supporting hand 10 is large, the control contact 17 and the secondary contact 18 are closed completely, and then through the closed state of the control contact 17 and the secondary contact 18, the current variant in the expansion block 23 is electrified, so that the current variant is hardened to push the expansion block 23 to move outwards, and the movable mechanism 24 pushes the rotating table 25 to move inward, so that the rotating table 25 restricts the movement of the fixed head 22, therefore, the weightlessness state of the winch is limited, and the working safety of the winch is further improved.

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 a hoist engine jack-up is with avoiding unexpected weightlessness tenesmus subassembly, includes weightlessness prevention mechanism (1), its characterized in that: the center inside the anti-weightlessness mechanism (1) is rotatably connected with a rotating shaft (2), the outer side of the rotating shaft (2) is movably connected with a fixed plate (3), the outer side of the fixed plate (3) is movably connected with a rotating plate (4), the outer side of the rotating plate (4) is movably connected with a special-shaped block (5), the outer side of the special-shaped block (5) is movably connected with a special-shaped groove (6), the outer side of the fixed plate (3) is fixedly connected with a fixed block (7), the back of the fixed block (7) is movably connected with a rope (8), the outer side of the rope (8) is rotatably connected with a rope disc (9), the outer side of the rope disc (9) is movably connected with a trigger supporting hand (10), the top of the trigger supporting hand (10) is fixedly connected with a push rod (11), the outer side of the push rod (11) is movably connected with a transverse impact rod (12), the, the outer side of the connecting block (14) is movably connected with a conductive block (15), the top of the conductive block (15) is elastically connected with a spring (16), the outer side of the spring (16) is provided with a control contact (17), and the top of the control contact (17) is provided with a secondary contact (18).

2. The component for avoiding accidental weight loss and dropping for hoisting of the winch according to claim 1, wherein: the fixed plate (3) and the rotating plate (4) are coaxially arranged, and an included angle between the fixed plate (3) and the rotating plate (4) is an acute angle.

3. The component for avoiding accidental weight loss and dropping for hoisting of the winch according to claim 1, wherein: the number of the triggering support hands (10) is six, and the six triggering support hands (10) are uniformly distributed on the outer side of the rope disc (9).

4. The component for avoiding accidental weight loss and dropping for hoisting of the winch according to claim 1, wherein: the top of the secondary contact (18) is movably connected with a control block (19), and the outer side of the control block (19) is electrically connected with a lead (20).

5. The component for avoiding accidental weight loss and dropping for hoisting of the winch according to claim 4, wherein: the outer side of the lead (20) is provided with an installation block (21), and the top of the installation block (21) is fixedly connected with a fixing head (22).

6. The component for avoiding accidental weight loss and dropping for hoisting of the winch according to claim 5, wherein: the top of the fixed head (22) is provided with an expansion block (23), and the outer side of the expansion block (23) is movably connected with a movable mechanism (24).

7. The component for avoiding accidental weight loss and dropping for hoisting of the winch according to claim 6, wherein: the inner side of the movable mechanism (24) is rotatably connected with a rotating table (25), and the bottom of the movable mechanism (24) is movably connected with a brake block (26).