CN219636779U - Hoisting mechanism - Google Patents
Hoisting mechanism Download PDFInfo
- Publication number
- CN219636779U CN219636779U CN202221206491.1U CN202221206491U CN219636779U CN 219636779 U CN219636779 U CN 219636779U CN 202221206491 U CN202221206491 U CN 202221206491U CN 219636779 U CN219636779 U CN 219636779U
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- Prior art keywords
- paying
- limiting
- roller
- limiter
- driving motor
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Control And Safety Of Cranes (AREA)
Abstract
The utility model belongs to the field of electromechanical equipment, and particularly relates to a hoisting mechanism, which comprises a paying-off roller, a limiter and a driving motor; the paying-off roller is wound with a steel wire, and a tool box is hung on the steel wire; a circle of limiting holes are formed in a panel at one end of the paying-off roller, and a limiting bracket is arranged on the outer side of the panel; the limiting support is provided with through holes which are concentric with different limiting holes; a limiter is arranged on the outer side of the through hole, and a limiting rod of the limiter is aligned with the through hole; the main shaft of the driving motor penetrates through the limiting support, and the paying-off rolling shaft is fixedly arranged on the main shaft. This lift platform hoist mechanism has following advantage for current lift platform transfer article work: the operation is stable and the stability is good when the articles are transferred; the mechanism runs smoothly, and safety accidents caused by shaking of the platform can not occur; the operation is simple, the time is saved, and the tool equipment can be quickly and safely transferred; the personal safety of staff is protected; the practicability is strong, and the device can be used for various platforms.
Description
Technical Field
The utility model belongs to the field of electromechanical equipment, and particularly relates to a hoisting mechanism.
Background
The lifting platform is equipment commonly used in engineering operation, and workers often encounter the problems of tool insufficiency, accessory replacement and the like in the maintenance work process. The articles are generally transferred by taking the articles by adopting a descending platform or adopting methods of throwing the articles, dragging the articles by using a towing rope and the like. The following problems exist in the implementation of the methods: (1) the platform is slow for safety when lifting, so that time is wasted; (2) when a throwing object is taken, the platform can shake, so that serious safety accidents such as poor stability, side turning of the platform, falling and the like are caused; (3) safety problems such as injury of workers by falling objects easily occur; (4) a fast and safe transfer tool device is not possible.
Disclosure of Invention
In order to solve the defects in the background art, the utility model discloses a hoisting mechanism.
In order to achieve the above object, the present utility model provides the following technical solutions:
a hoisting mechanism comprises a paying-off roller, a limiter and a driving motor; the paying-off roller is wound with a steel wire, and a tool box is hung on the steel wire; a circle of limiting holes are formed in a panel at one end of the paying-off roller, and a limiting bracket is arranged on the outer side of the panel; the limiting support is provided with through holes which are concentric with different limiting holes; a limiter is arranged on the outer side of the through hole, and a limiting rod of the limiter is aligned with the through hole; the main shaft of the driving motor penetrates through the limiting support, and the paying-off rolling shaft is fixedly arranged on the main shaft.
Further, the driving motor is connected with a controller, and three indicator lamps and three control buttons are arranged on the controller.
A control circuit of a hoisting mechanism is characterized in that a power line connected with a driving motor is provided with a relay contact KM11 and a relay contact KM21 which are connected in parallel, and the power line is connected with a lifting control circuit, a descending control circuit, an electromagnetic lock circuit and an indicator lamp circuit;
the rising control circuit comprises a control switch SB1, a control switch SB2, a relay coil KM1, a relay coil KM25 and a heating element normally-closed contact KH which are sequentially connected in series, and is connected to a zero line; the relay coil KM12 is connected with a control switch SB2 in parallel;
the descending control circuit comprises a control switch SB3, a relay coil KM2 and a relay contact KM15 which are sequentially connected in series, and the descending control circuit is connected to two ends of the control switch SB1 and the relay contact KM25 in parallel; the relay contact KM22 is connected with a control switch SB3 in parallel;
the electromagnetic lock circuit comprises a relay contact KM13, a relay contact KM23, a series limiter coil DNS and a power line and a zero line, wherein the relay contact KM13 is connected in parallel;
the indicator lamp circuit comprises a relay contact KM14, an indicator lamp HR1 connected in series and connected to a power line and a zero line; the relay contact KM24 is connected in series with the indicator light HG1 and is connected to the power line and the zero line.
Further, the indicator light circuit further comprises a circuit breaker indicator light circuit and a thermal relay indicator light circuit.
Further, the indicator lamp HR1 is connected in parallel with the indicator lamp HR2, and the indicator lamp HG1 is connected in parallel with the indicator lamp HG2.
A lifting platform is provided with a lifting mechanism.
The utility model has the beneficial effects that:
this lift platform hoist mechanism has following advantage for current lift platform transfer article work: (1) the operation is stable and the stability is good when the articles are transferred; (2) the mechanism runs smoothly, and safety accidents caused by shaking of the platform can not occur; (3) the operation is simple, the time is saved, and the tool equipment can be quickly and safely transferred; (4) the personal safety of staff is protected; (5) the practicability is strong, and the device can be used for various platforms.
Drawings
FIG. 1 is a schematic perspective view of a hoisting mechanism;
FIG. 2 is a partial view of a lifting mechanism;
FIG. 3 is an exploded view of a lifting mechanism;
FIG. 4 is a control circuit diagram of a hoisting mechanism;
FIG. 5 is a block diagram of a lifting mechanism mounted on a lifting platform;
wherein: 1. paying-off rolling shafts; 11. a limiting hole; 2. a tool box; 3. a driving motor; 4. a limiter; 41. a limit rod; 5. a controller; 6. a limit bracket; 61. and a through hole.
Detailed Description
In order to make the technical solution of the present utility model more clear and obvious to those skilled in the art, the technical solution of the present utility model will be described in detail with reference to the accompanying drawings, but the embodiments of the present utility model are not limited thereto.
A hoisting mechanism comprises a paying-off roller 1, a limiter 4 and a driving motor 3; a steel wire is wound on the paying-off roller 1, and a tool box 2 is hung on the steel wire; a circle of limiting holes 11 are formed in a panel at one end of the paying-off roller 1, and a limiting bracket 6 is arranged on the outer side of the panel; the limiting bracket 6 is provided with through holes 61, and the through holes 61 are concentric with different limiting holes 11; the outer side of the through hole 61 is provided with a limiter 4, and a limiting rod 41 of the limiter 4 is aligned with the through hole 61; the main shaft of the driving motor 3 passes through the limiting bracket 6, and the paying-off roller 1 is fixedly arranged on the main shaft.
The driving motor 3 is connected with a controller 5, and three indicator lamps and three control buttons are arranged on the controller 5.
A control circuit of a hoisting mechanism is characterized in that a power line connected with a driving motor 3 is provided with a relay contact KM11 and a relay contact KM21 which are connected in parallel, and the power line is connected with a lifting control circuit, a descending control circuit, an electromagnetic lock circuit and an indicator lamp circuit;
the rising control circuit comprises a control switch SB1, a control switch SB2, a relay coil KM1, a relay coil KM25 and a heating element normally-closed contact KH which are sequentially connected in series, and is connected to a zero line; the relay coil KM12 is connected with a control switch SB2 in parallel;
the descending control circuit comprises a control switch SB3, a relay coil KM2 and a relay contact KM15 which are sequentially connected in series, and the descending control circuit is connected to two ends of the control switch SB1 and the relay contact KM25 in parallel; the relay contact KM22 is connected with a control switch SB3 in parallel;
the electromagnetic lock circuit comprises a relay contact KM13, a relay contact KM23, a series limiter 4 coil DNS and a power line and a zero line, wherein the relay contact KM13 is connected in parallel;
the indicator lamp circuit comprises a relay contact KM14, an indicator lamp HR1 connected in series and connected to a power line and a zero line; the relay contact KM24 is connected in series with the indicator light HG1 and is connected to the power line and the zero line.
The relay coil KM1 controls the on-off of the relay contact KM11, the relay contact KM12, the relay contact KM13, the relay contact KM14 and the relay contact KM 15. The relay coil KM2 controls the on-off of the relay contact KM21, the relay contact KM22, the relay contact KM23, the relay contact KM24 and the relay contact KM 25.
The indicator light circuit also comprises a breaker indicator light circuit and a thermal relay indicator light circuit.
The indicator lamp HR1 is connected with the indicator lamp HR2 in parallel, and the indicator lamp HG1 is connected with the indicator lamp HG2 in parallel.
When the control switch SB2 is pressed, the relay coil KM1 is electrified, the relay contact KM11, the relay contact KM12, the relay contact KM13 and the relay contact KM14 are closed at the movable opening points, the relay contact KM15 is disconnected, the coil DNS of the limiter 4 is electrified, the limit rod 41 is retracted to release the paying-off roller 1, and meanwhile, the motor is driven to rotate positively to drive the main shaft to drive the paying-off roller 1 to rotate so as to enable the tool box 2 to be lowered; when the tool box 2 is lowered to a proper position, the stop button control switch SB1 is pressed, the relay coil KM1 is powered off, the relay contact KM14 is disconnected, the limiter 4 coil DNS is powered off, and the limiting rod 41 is popped up and inserted into the limiting hole 11 of the panel of the paying-off roller 1, so that the paying-off roller 1 is locked. When a worker puts articles such as tools into the tool box 2, the ascending button control switch SB3 is pressed, the relay coil KM2 is electrified, the relay contact KM23 is closed, the limiter 4 coil DNS is electrified, the limiting rod 41 is retracted to release the paying-off roller 1, and meanwhile, the motor is driven to rotate reversely to enable the main shaft to drive the paying-off roller 1 to rotate so as to ascend the tool box 2; when the tool box 2 rises to a proper height, the stop button control switch SB1 is pressed, the relay coil KM2 is powered off, the relay contact KM23 is disconnected, the limiter 4 coil DNS is powered off, and the limiting rod 41 is popped up and inserted into the limiting hole 11 of the paying-off roller 1, so that the paying-off roller 1 is locked.
A lifting platform is provided with a lifting mechanism. This lift platform hoist mechanism has following advantage for current lift platform transfer article work: (1) the operation is stable and the stability is good when the articles are transferred; (2) the mechanism runs smoothly, and safety accidents caused by shaking of the platform can not occur; (3) the operation is simple, the time is saved, and the tool equipment can be quickly and safely transferred; (4) the personal safety of staff is protected; (5) the practicability is strong, and the device can be used for various platforms.
The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make many possible variations and modifications of the utility model using the method and the content disclosed above without departing from the scope of the utility model, which is defined in the claims.
Claims (2)
1. A hoisting mechanism, its characterized in that: comprises a paying-off roller, a limiter and a driving motor; the paying-off roller is wound with a steel wire, and a tool box is hung on the steel wire; a circle of limiting holes are formed in a panel at one end of the paying-off roller, and a limiting bracket is arranged on the outer side of the panel; the limiting support is provided with through holes which are concentric with different limiting holes; a limiter is arranged on the outer side of the through hole, and a limiting rod of the limiter is aligned with the through hole; the main shaft of the driving motor penetrates through the limiting support, and the paying-off rolling shaft is fixedly arranged on the main shaft.
2. A lifting mechanism as claimed in claim 1, wherein: the driving motor is connected with the controller, and three indicator lamps and three control buttons are arranged on the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221206491.1U CN219636779U (en) | 2022-05-18 | 2022-05-18 | Hoisting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221206491.1U CN219636779U (en) | 2022-05-18 | 2022-05-18 | Hoisting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219636779U true CN219636779U (en) | 2023-09-05 |
Family
ID=87814686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221206491.1U Active CN219636779U (en) | 2022-05-18 | 2022-05-18 | Hoisting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219636779U (en) |
-
2022
- 2022-05-18 CN CN202221206491.1U patent/CN219636779U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |