CN112678705A - Winch stall self-locking device for preventing equipment stall from affecting operator safety - Google Patents
Winch stall self-locking device for preventing equipment stall from affecting operator safety Download PDFInfo
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- CN112678705A CN112678705A CN202011559441.7A CN202011559441A CN112678705A CN 112678705 A CN112678705 A CN 112678705A CN 202011559441 A CN202011559441 A CN 202011559441A CN 112678705 A CN112678705 A CN 112678705A
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- winch
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Abstract
The invention relates to the technical field of winches and discloses a winch stall self-locking device for preventing equipment stall from influencing safety of operators. This avoid equipment stall to influence winch stall self-lock device of operator's safety, when the winch took place the stall phenomenon, contact one contacted with contact two this moment, further made the current variant become the solid from liquid, the stopper can block in the inside of spacing groove this moment, the unable rotation of axis of rotation this moment to reached and prevented that the winch from taking place the effect that the stall condition takes place at the in-process of lifting by crane. When the disc is pulled upwards, the movable block also deflects upwards, the contact I is further separated from the contact II, the current variant is recovered into liquid, and the rotating shaft can recover to rotate, so that the effect of recycling and saving resources is achieved.
Description
Technical Field
The invention relates to the technical field of winches, in particular to a winch stall self-locking device for preventing equipment stall from influencing the safety of an operator.
Background
The winch is also called as 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, can also be used as a component part in machinery such as hoisting, road building, mine hoisting and the like, and is widely applied to material lifting or horizontal dragging of buildings, hydraulic engineering, forestry, mines, wharves and the like due to simple operation, large rope winding amount and convenient displacement.
In the use process of the winch, due to the fact that a lifted heavy object has certain mass, in the lifting process, stall falling can occur due to mechanical failure or other reasons, so that not only is great potential safety hazard to an operator on site exist, but also equipment can be damaged, unnecessary economic loss is caused, and how to prevent the occurrence of stall in the lifting process of the winch is an important problem, the problem is solved, and therefore the problem that the safety of the operator is affected by equipment stall is solved.
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 the equipment stall from influencing the safety of an operator, which has the advantage of preventing the occurrence of the stall condition of the winch in the hoisting process, and solves the problems that the stall falling condition possibly occurs due to mechanical failure or other reasons in the hoisting process, not only great potential safety hazard exists for the operator on site, but also the equipment can be damaged, and further unnecessary economic loss is caused.
(II) technical scheme
In order to achieve the purpose of preventing the winch from stalling in the hoisting process, the invention provides the following technical scheme: a winch stall self-locking device for preventing equipment stall from influencing operator safety comprises a rotating shaft, wherein a rotating disc is fixedly connected to the outer wall of the rotating shaft, a sliding groove is formed in the right side of the rotating disc, an electrorheological body is movably connected to the interior of the sliding groove, a first spring is fixedly connected to the left side of the interior of the sliding groove, a sliding block is fixedly connected to one side, away from the sliding groove, of the first spring, a limiting block is fixedly connected to the right side of the sliding block, a groove is formed in the top of the rotating disc, a second spring is fixedly connected to the bottom of the interior of the groove, a first contact is fixedly connected to one side, away from the groove, of the second spring, a second contact is fixedly connected to the top of the interior of the groove, a reset elastic sheet is fixedly connected to the interior of the, one side fixedly connected with disc that the connecting rod is far away from the movable block, the guide way has been seted up in the front of rolling disc, the outer wall swing joint of rolling disc has solid fixed ring, gu fixed ring's inside has seted up the spacing groove.
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, the electrorheological fluid is movably connected to the left side inside the sliding groove and the left side of the sliding block, and the outer wall of the sliding block is connected to the inside of the sliding groove in a sliding mode.
Preferably, the number of the limiting blocks is two, and the volume of the right side of the limiting block is matched with the volume of the inside of the limiting groove.
Preferably, the contact has a positive charge, the first contact is slidably connected inside the groove, the second contact has a negative charge, the second contact is directly above the first contact, and the current transformer is electrically connected with the first contact and the second contact.
Preferably, the bottom of the movable block is movably connected with the bottom of the left side of the groove, and the right side of the movable block is movably connected between the first contact and the second contact.
Preferably, the outer wall of the connecting rod is slidably connected to the inside of the guide groove.
Preferably, the number of the limiting grooves is not less than eight, and the limiting grooves are uniformly distributed in the fixing ring.
(III) advantageous effects
Compared with the prior art, the invention provides the winch stall self-locking device for preventing equipment stall from influencing the safety of an operator, which has the following beneficial effects:
1. this avoid equipment stall to influence winch stall self-lock device of operator's safety, through the cooperation of current variant and axis of rotation, rolling disc, stopper, spacing groove, contact one, contact two to use, when the winch takes place the stall phenomenon, contact one and contact two contact this moment, further make the current variant become the solid from liquid, the stopper can block in the inside of spacing groove this moment, rolling disc and axis of rotation all can't rotate this moment, thereby reached and prevented that the winch from taking place the effect that the stall condition takes place lifting by crane the in-process.
2. This avoid equipment stall to influence winch stall self-lock device of operator's safety, through the cooperation use of disc and movable block, contact one, contact two, electrorheological body, axis of rotation, upwards pull the disc, the movable block also can upwards deflect this moment, further makes contact one and contact two separation, and the electrorheological body resumes into liquid this moment, and the axis of rotation can resume the rotation this moment to reached can the cyclic utilization resources are saved's effect.
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 groove structure according to the present invention;
FIG. 3 is a schematic diagram of the movement of a contact structure according to the present invention;
FIG. 4 is an enlarged view of the structure A of FIG. 1 according to the present invention.
In the figure: 1. a rotating shaft; 2. rotating the disc; 3. a chute; 4. an electrorheological fluid; 5. a first spring; 6. a slider; 7. a limiting block; 8. a groove; 9. a second spring; 10. a first contact; 11. a second contact; 12. resetting the elastic sheet; 13. a movable block; 14. a connecting rod; 15. a disc; 16. a guide groove; 17. a fixing ring; 18. a limiting groove.
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 equipment stall from affecting operator safety comprises a rotating shaft 1, a rotating disc 2 is fixedly connected to the outer wall of the rotating shaft 1, a sliding groove 3 is formed in the right side of the rotating disc 2, an electrorheological body 4 is movably connected in the sliding groove 3, main materials of the electrorheological body 4 are gypsum, lime, carbon powder and olive oil, the electrorheological body 4 is solid in an electrified state and liquid in a non-electrified state, a spring I5 is fixedly connected to the left side of the inside of the sliding groove 3, a sliding block 6 is fixedly connected to one side, far away from the sliding groove 3, of the spring I5, the electrorheological body 4 is movably connected to the left side of the inside of the sliding groove 3 and the left side of the sliding block 6, the outer wall of the sliding block 6 is slidably connected in the inside of the sliding groove 3, a limiting block 7 is fixedly, the bottom inside the groove 8 is fixedly connected with a spring II 9, one side of the spring II 9, which is far away from the groove 8, is fixedly connected with a contact I10, the contact I10 is provided with positive charges, the contact I10 is connected inside the groove 8 in a sliding manner, the contact II 11 is provided with negative charges, the contact II 11 is arranged right above the contact I10, the current variant 4 is electrically connected with the contact I10 and the contact II 11, the top inside the groove 8 is fixedly connected with a contact II 11, the inside of the groove 8 is fixedly connected with a reset elastic sheet 12, the outer wall of the reset elastic sheet 12 is fixedly connected with a movable block 13, the right side of the movable block 13 is movably connected between the contact I10 and the contact II 11, the bottom of the movable block 13 is movably connected with the bottom on the left side of the groove 8, the front of the movable block 13 is fixedly connected with a connecting rod 14, one side of, the outer wall sliding connection of connecting rod 14 is in the inside of guide way 16, and the outer wall swing joint of rolling disc 2 has solid fixed ring 17, and gu fixed ring 17's inside has seted up spacing groove 18, the volume on stopper 7 right side and the inside volume looks adaptation of spacing groove 18, eight are no less than to the quantity of spacing groove 18, and the even distribution in solid fixed ring 17's inside in these spacing grooves 18.
Detailed description referring to fig. 2 and 3, when the winch stalls, the rotating shaft 1 will stall, and at this time, the rotating speed of the rotating shaft 1 will rapidly exceed the normal rotating value under the action of the gravitational acceleration, because the outer wall of the rotating shaft 1 is fixedly connected with the rotating disc 2, the rotating speed of the rotating disc 2 will also exceed the normal rotating speed, because the inside of the top of the rotating disc 2 is provided with the groove 8, the bottom inside the groove 8 is fixedly connected with the spring two 9, and one side of the spring two 9, which is far away from the groove 8, is fixedly connected with the contact point one 10, the contact point one 10 will move upward under the action of the centrifugal force without the elastic deformation force of the spring two 9.
Because the right side of the movable block 13 is movably connected between the first contact 10 and the second contact 11, the first contact 10 also drives the right side of the movable block 13 to move upwards, and because the second contact 11 is right above the first contact 10, the first contact 10 contacts the second contact 11, and the first contact 10 moves to the top of the movable block 13.
Referring to fig. 1 in detail, since the first contact 10 has a positive charge, the second contact 11 has a negative charge, and the current variant 4 is electrically connected with the first contact 10 and the second contact 11, the current variant 4 is powered on, since the main materials of the current variant 4 are gypsum, lime, carbon powder and olive oil, the current variant 4 is solid in the powered state and liquid in the non-powered state, the current variant 4 becomes solid, since the current variant 4 is movably connected with the left side inside the sliding chute 3 and the left side of the sliding block 6, the sliding block 6 moves to the right, and since the right side of the sliding block 6 is fixedly connected with the limit block 7, the limit block 7 also moves to the right, since the outer wall of the rotating disc 2 is movably connected with the fixing ring 17, the inside of the fixing ring 17 is provided with the limit groove 18, and the volume of the right side of the limit block 7 is matched with the volume inside the limit, eight are no less than to the quantity of spacing groove 18, and these spacing grooves 18 even distribution are in the inside of solid fixed ring 17, so stopper 7 can move the inside of spacing groove 18 this moment, and rolling disc 2 can't rotate this moment, further makes axis of rotation 1 stall to the effect that prevents the winch and take place the stall condition in the lifting process has been reached.
Referring to fig. 4 and 3 for details, the disc 15 is pulled upward along the guide slot 16, because the front surface of the movable block 13 is fixedly connected with the connecting rod 14, and the side of the connecting rod 14 away from the movable block 13 is fixedly connected with the disc 15, at this time, the movable block 13 also moves upward, at this time, the movable block 13 moves to the left side of the groove 8, at this time, the movable block 13 does not block the first contact 10, because the bottom inside the groove 8 is fixedly connected with the second spring 9, and the side of the second spring 9 away from the groove 8 is fixedly connected with the first contact 10, at this time, the first contact 10 is reset under the action of the second spring 9, at this time, the disc 15 is released, the movable block 13 is also reset under the action of the reset elastic sheet 12, at this time, the current variant 4 is not electrified, and also returns to the initial state.
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 (7)
1. A winch stall self-locking device for avoiding equipment stall from affecting operator safety comprises a rotating shaft (1), and is characterized in that: the outer wall of the rotating shaft (1) is fixedly connected with a rotating disc (2), a sliding groove (3) is formed in the right side of the rotating disc (2), an electrorheological body (4) is movably connected in the sliding groove (3), a first spring (5) is fixedly connected in the left side of the sliding groove (3), a sliding block (6) is fixedly connected to one side, away from the sliding groove (3), of the first spring (5), a limiting block (7) is fixedly connected to the right side of the sliding block (6), a groove (8) is formed in the top of the rotating disc (2), a second spring (9) is fixedly connected to the bottom of the inner portion of the groove (8), a first contact (10) is fixedly connected to one side, away from the groove (8), of the second spring (9), a second contact (11) is fixedly connected to the top of the inner portion of the groove (8), and a reset elastic sheet, the outer wall fixedly connected with movable block (13) of shell fragment (12) resets, the positive fixedly connected with connecting rod (14) of movable block (13), one side fixedly connected with disc (15) of movable block (13) are kept away from in connecting rod (14), guide way (16) have been seted up in the front of rolling disc (2), the outer wall swing joint of rolling disc (2) has solid fixed ring (17), spacing groove (18) have been seted up to the inside of solid fixed ring (17).
2. The winch stall self-locking device for avoiding equipment stall from affecting operator safety according to claim 1, wherein: the main materials of the current transformer (4) are gypsum, lime, carbon powder and olive oil, the current transformer (4) is solid in an electrified state and liquid in a non-electrified state, the current transformer (4) is movably connected to the left side inside the sliding groove (3) and the left side of the sliding block (6), and the outer wall of the sliding block (6) is connected to the inside of the sliding groove (3) in a sliding mode.
3. The winch stall self-locking device for avoiding equipment stall from affecting operator safety according to claim 1, wherein: the number of the limiting blocks (7) is two, and the volume on the right side of the limiting blocks (7) is matched with the volume inside the limiting grooves (18).
4. The winch stall self-locking device for avoiding equipment stall from affecting operator safety according to claim 1, wherein: the first contact (10) is provided with positive charges, the first contact (10) is connected with the inner part of the groove (8) in a sliding mode, the second contact (11) is provided with negative charges, the second contact (11) is arranged right above the first contact (10), and the current transformer (4) is electrically connected with the first contact (10) and the second contact (11).
5. The winch stall self-locking device for avoiding equipment stall from affecting operator safety according to claim 1, wherein: the bottom of the movable block (13) is movably connected with the bottom of the left side of the groove (8), and the right side of the movable block (13) is movably connected between the first contact (10) and the second contact (11).
6. The winch stall self-locking device for avoiding equipment stall from affecting operator safety according to claim 1, wherein: the outer wall of the connecting rod (14) is connected with the inner part of the guide groove (16) in a sliding way.
7. The winch stall self-locking device for avoiding equipment stall from affecting operator safety according to claim 1, wherein: the number of the limiting grooves (18) is not less than eight, and the limiting grooves (18) are uniformly distributed in the fixing ring (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011559441.7A CN112678705A (en) | 2020-12-25 | 2020-12-25 | Winch stall self-locking device for preventing equipment stall from affecting operator safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011559441.7A CN112678705A (en) | 2020-12-25 | 2020-12-25 | Winch stall self-locking device for preventing equipment stall from affecting operator safety |
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| Publication Number | Publication Date |
|---|---|
| CN112678705A true CN112678705A (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011559441.7A Pending CN112678705A (en) | 2020-12-25 | 2020-12-25 | Winch stall self-locking device for preventing equipment stall from affecting operator safety |
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| CN (1) | CN112678705A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5878998A (en) * | 1981-10-23 | 1983-05-12 | エフエムシ−・コ−ポレ−シヨン | Controller for speed of hydraulic winch |
| CN111498721A (en) * | 2020-04-16 | 2020-08-07 | 杭州藏储科技有限公司 | Industrial winch assembly capable of stalling and self-locking by utilizing centrifugal action |
| CN111713464A (en) * | 2020-06-18 | 2020-09-29 | 广州正宏电子商务有限公司 | Stall self-locking catching net device mechanism |
| CN111807230A (en) * | 2020-07-27 | 2020-10-23 | 杭州新汉杰科技有限公司 | Computer machine case hoist and mount stall self-locking mechanism |
| CN111977482A (en) * | 2020-08-31 | 2020-11-24 | 广州耀满科技有限公司 | Safety device for preventing elevator stalling from falling |
| CN112010186A (en) * | 2020-08-27 | 2020-12-01 | 湖州南浔上福线缆有限公司 | Crane hanging scaffold stall self-locking mechanism based on cable hoisting |
-
2020
- 2020-12-25 CN CN202011559441.7A patent/CN112678705A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5878998A (en) * | 1981-10-23 | 1983-05-12 | エフエムシ−・コ−ポレ−シヨン | Controller for speed of hydraulic winch |
| CN111498721A (en) * | 2020-04-16 | 2020-08-07 | 杭州藏储科技有限公司 | Industrial winch assembly capable of stalling and self-locking by utilizing centrifugal action |
| CN111713464A (en) * | 2020-06-18 | 2020-09-29 | 广州正宏电子商务有限公司 | Stall self-locking catching net device mechanism |
| CN111807230A (en) * | 2020-07-27 | 2020-10-23 | 杭州新汉杰科技有限公司 | Computer machine case hoist and mount stall self-locking mechanism |
| CN112010186A (en) * | 2020-08-27 | 2020-12-01 | 湖州南浔上福线缆有限公司 | Crane hanging scaffold stall self-locking mechanism based on cable hoisting |
| CN111977482A (en) * | 2020-08-31 | 2020-11-24 | 广州耀满科技有限公司 | Safety device for preventing elevator stalling from falling |
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Application publication date: 20210420 |