CN207259049U - A kind of variable-speed winch of PLC controls - Google Patents
A kind of variable-speed winch of PLC controls Download PDFInfo
- Publication number
- CN207259049U CN207259049U CN201621463703.9U CN201621463703U CN207259049U CN 207259049 U CN207259049 U CN 207259049U CN 201621463703 U CN201621463703 U CN 201621463703U CN 207259049 U CN207259049 U CN 207259049U
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- CN
- China
- Prior art keywords
- motor
- controller
- reel
- control unit
- electromagnetic brake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of variable-speed winch of PLC controls, including motor, retarder, differential mechanism and reel, further include electromagnetic brake and control unit, motor output end is connected with electromagnetic brake, and electromagnetic brake is rotatablely connected successively with retarder, differential mechanism and reel, and control unit is connected by relay with electromagnetic brake, control unit is connected by frequency converter with motor, and reel is arranged on roller stand.The beneficial effects of the utility model be it is more convenient to use, it is simple in structure, it is easy to maintenance, securely and reliably, pulling force is measured according to pulling force sensor and the speed under pulling force can be provided power of motor measuring and calculating, so as to improve hoist engine speed to greatest extent, lifts work efficiency.
Description
Technical field
The utility model belongs to hoist engine field, more particularly, to a kind of variable-speed winch of PLC controls.
Background technology
Hoist engine is called winch, is divided into two kinds of manual hoist and electrical hoist, is by manpower or machine power driving
Reel, winding cords come complete traction work device.Can with vertical-lift, horizontally or diagonally drag and draw weight, have extensive
Using.At present, it is common to use hoist engine there is no safety control, hoist engine can not directly measure the weight of hanging object in itself
And hoisting depth, if overloading occurs, it is impossible to find in time, easily since security incident occurs for overload, there are security risk；No
It can directly know hoisting depth, be unfavorable for obtaining the lifting speed of hoist engine.
The content of the invention
Problem to be solved in the utility model is to provide a kind of variable-speed winch of PLC controls, is especially suitable for quick, multiple
Under the operating mode for carrying out the lifting of weight, the overload caused by hoist engine does not have safety control, hoist engine lifting speed are solved
Too fast the problems such as causing wire cable rupture.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of speed governing elevator of PLC controls
Machine, including motor, retarder, differential mechanism and reel, further include electromagnetic brake and control unit, motor output end and electromagnetic system
Dynamic device connection, electromagnetic brake are rotatablely connected successively with retarder, differential mechanism and reel, and control unit passes through relay and electromagnetism
Brake connects, and control unit is connected by frequency converter with motor, and reel is arranged on roller stand.
Control unit includes pulling force sensor, velocity sensor and controller, and pulling force sensor one end is electrically connected with controller
Connect, the other end sensing pressure roller of pulling force sensor pushes down the steel wire rope being wound on reel, and velocity sensor is arranged on motor, speed
The output terminal of degree sensor is electrically connected with the input terminal of controller.
Wherein, relay is electrically connected with the controller, and frequency converter is electrically connected with the controller.Controller is PLC PLC technologies
Device.
The utility model has the advantages and positive effects of：Due to the adoption of the above technical scheme, it is more convenient to use, knot
Structure is simple, easy to maintenance, securely and reliably, measures pulling force according to pulling force sensor and power of motor measuring and calculating can be provided under pulling force
Speed so as to greatest extent improve hoist engine speed, lifted work efficiency.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the PLC programmable controller control principle drawing of the utility model.
In figure：
1st, motor 2, electromagnetic brake 3, retarder
4th, differential mechanism 5, reel 6, sensing pressure roller
7th, pulling force sensor 8, relay 9, PLC programmable controller
10th, velocity sensor 11, frequency converter
Embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings.
It is retarder 3, poor as shown in Figure 1, the utility model provides a kind of PLC variable-speed winch of control, including motor 1
Fast device 4 and reel 5, further include electromagnetic brake 2 and control unit, and 1 output terminal of motor is rotatablely connected with electromagnetic brake 2, electricity
The output terminal of magnetic brake 2 is rotatablely connected with retarder 3, and output terminal and the differential mechanism 4 of retarder 3 are rotatablely connected, differential mechanism 4
Output terminal is rotatablely connected with reel 5, and control unit is connected by relay 8 with electromagnetic brake 2, and control unit passes through frequency converter
11 are connected with motor 1, and reel 5 is arranged on roller stand.Control unit includes pulling force sensor 7, velocity sensor 10 and control
Device processed, 7 one end of pulling force sensor are electrically connected with the controller, and the other end sensing pressure roller 6 of pulling force sensor 7, which is pushed down, is wound on reel
Steel wire rope on 5, velocity sensor 10 are arranged on motor 1, and the output terminal of velocity sensor 10 and the input terminal of controller are electrically connected
Connect.Wherein, controller is PLC programmable controller 9, and PLC programmable controller 9 is equipped with the operation program finished in advance.Relay
Device 8 is electrically connected with PLC programmable controller 9, and frequency converter 11 is electrically connected with PLC programmable controller 9.One end of relay 8 with
Electromagnetic brake 2 connects, and the other end is electrically connected with the input terminal of PLC programmable controller 9, and one end and the motor 1 of frequency converter 8 connect
Connect, the other end is electrically connected with PLC programmable controller 9.
PLC programmable controller 9 is previously provided with the operation program finished, as shown in Fig. 2, pulling force sensor 7 will measure
Pulling force information is transmitted to PLC programmable controller 9, and PLC programmable controller 9 carries out computing according to pre-set program and holds
OK, carry out calculating the rotating speed of motor 1, the rotary speed information of the motor 1 measured is transmitted to PLC programmable controller by velocity sensor 10
9, the rotary speed information of the motor 1 that PLC programmable controller 9 is measured according to velocity sensor 10 and the motor 1 by being calculated
Theoretical rotational speed information contrasted, control relay 8 and frequency converter 11 to act, the rotating speed of regulation motor 1 so that motor 1
The pulling force of rotating speed and steel wire rope matches so that the work efficiency of hoist engine reaches maximum.If steel wire rope reaches maximum pull, it is
Accident is avoided, PLC programmable controller 9 sends instruction, and control relay 8 works, and relay 8 controls electromagnetic brake 2
Work so that 1 rotating speed of motor reduces, until not turning, avoids accident.
The course of work of this example：Steel cord ends hanging weight, opens power supply, and motor 1 starts to rotate, 1 main shaft of motor
It will rotate and retarder 3 be transmitted to by electromagnetic brake 2, rotation is passed to differential mechanism 4 by retarder 3, and differential mechanism 4 will be rotated and transmitted
To reel 5, reel 5 is rotated, by heavy lift or decentralization, hoist engine at work, pulling force sensor 7 and velocity sensor
10 send the data message measured to PLC programmable controller 9 immediately, and PLC programmable controller 9 is contrasted by calculating, control
The rotating speed of motor 1 processed so that the rotating speed of motor 1 and the pulling force of steel wire rope are to matching so that the work efficiency of hoist engine is maximum.
The utility model has the advantages and positive effects of：Due to the adoption of the above technical scheme, it is more convenient to use, knot
Structure is simple, easy to maintenance, securely and reliably, measures pulling force according to pulling force sensor and power of motor measuring and calculating can be provided under pulling force
Speed so as to greatest extent improve hoist engine speed, lifted work efficiency.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment, it is impossible to be construed as limiting the scope of the utility model.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should all still belong within the patent covering scope of the utility model.
Claims (5)
1. a kind of variable-speed winch of PLC controls, including motor, retarder, differential mechanism and reel, it is characterised in that：Further include
Electromagnetic brake and control unit, the motor output end are connected with the electromagnetic brake, the electromagnetic brake with it is described
Retarder, the differential mechanism and the reel are rotatablely connected successively, and described control unit passes through relay and the electromagnetic braking
Device connects, and the control unit is connected by frequency converter with the motor, and the reel is arranged on roller stand.
2. the variable-speed winch of PLC controls according to claim 1, it is characterised in that：The control unit includes drawing
Force snesor, velocity sensor and controller, the pulling force sensor are electrically connected with the controller, and the velocity sensor is set
In on the motor, the output terminal of the velocity sensor is electrically connected with the input terminal of the controller.
3. the variable-speed winch of PLC controls according to claim 2, it is characterised in that：The relay and the control
Device is electrically connected, and the frequency converter is electrically connected with the controller.
4. the variable-speed winch of PLC controls according to claim 2, it is characterised in that：The controller may be programmed for PLC
Controller.
5. the variable-speed winch of PLC controls according to claim 3, it is characterised in that：The controller may be programmed for PLC
Controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621463703.9U CN207259049U (en) | 2016-12-29 | 2016-12-29 | A kind of variable-speed winch of PLC controls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621463703.9U CN207259049U (en) | 2016-12-29 | 2016-12-29 | A kind of variable-speed winch of PLC controls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207259049U true CN207259049U (en) | 2018-04-20 |
Family
ID=61913910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621463703.9U Expired - Fee Related CN207259049U (en) | 2016-12-29 | 2016-12-29 | A kind of variable-speed winch of PLC controls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207259049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436364A (en) * | 2019-06-30 | 2019-11-12 | 安徽省宿州市龙华机械制造有限公司 | A kind of New Haulage Winch depth indicator |
-
2016
- 2016-12-29 CN CN201621463703.9U patent/CN207259049U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436364A (en) * | 2019-06-30 | 2019-11-12 | 安徽省宿州市龙华机械制造有限公司 | A kind of New Haulage Winch depth indicator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180420 Termination date: 20201229 |