CN207973438U - A kind of electric block hoisting control device - Google Patents
A kind of electric block hoisting control device Download PDFInfo
- Publication number
- CN207973438U CN207973438U CN201820077822.3U CN201820077822U CN207973438U CN 207973438 U CN207973438 U CN 207973438U CN 201820077822 U CN201820077822 U CN 201820077822U CN 207973438 U CN207973438 U CN 207973438U
- Authority
- CN
- China
- Prior art keywords
- contactor
- electric block
- control device
- power source
- weight type
- 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
Links
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model belongs to technical field of electricity and discloses a kind of electric block hoisting control device, and changing two common A.C. contactors of positive and negative rotation into a contactless conversing contactor KM1 controls, and efficiently solves the phenomenon that A.C. contactor often damages；Circuit fire stop is changed to Weight type limit switch SQ1; Weight type limit switch SQ1 is mounted on electric block; the mass below Weight type limiter is driven when electric block is promoted to certain altitude; so that the action of Weight type limiter; disconnect lifting device main power source contactor KM; it prevents from continuing to rise rushing to summit, play a protective role；Power switch is spaced apart QF2 and with shunted exciter tripping air switch auxiliary magnet and tripping coil 1ZK1 using control power supply; after scram button is pressed; use immediately power supply is spaced apart disconnection; cut off main power source contactor KM; double protection functions are played with together with main power source contactor KM; better reliability reduces equipment failure rate to greatest extent, ensures the reliable and stable operation of equipment safety.
Description
Technical field
The utility model is specifically related to a kind of electric block hoisting control device, belongs to technical field of electricity.
Background technology
The work of our factory coverter pig alloy electric block is frequent, and site environment is severe, and temperature is high, dust is more, and using frequent
Crawl operates, and operating frequency is high.For traditional control mode, common A.C. contactor often damages, and service life is very short,
Generally have more than is needed one week；And because operation has oblique pull is askew to hang phenomenon often, cause rope guide fragile, block or squeeze off steel wire rope,
So that circuit fire stop malfunction or damage, safeguard extremely inconvenient, or even deceleration shell is all squeezed bad, therefore maintenance personal is basic
By this rope guide remove should not, do not have an effect of protection, failure-frequency is high, and cost is too big, and maintenance workload is heavy, and passes through
Often influence production.
Utility model content
The technical problems to be solved in the utility model overcomes existing defect, provides a kind of electric block promotion control dress
It sets, changing two common A.C. contactors of positive and negative rotation into a contactless conversing contactor KM1 controls, and efficiently solves exchange
The phenomenon that contactor often damages；Circuit fire stop is changed to Weight type limit switch SQ1, and Weight type limit switch SQ1 is mounted on
On electric block, the mass below Weight type limiter is driven when electric block is promoted to certain altitude so that Weight type
Limiter acts, and disconnects lifting device main power source contactor KM, prevents from continuing to rise rushing to summit, play a protective role；Power supply is opened
Pass use control power supply is spaced apart QF2 and with shunted exciter tripping air switch auxiliary magnet and tripping coil 1ZK1, when scram button is pressed
Afterwards, use immediately power supply is spaced apart disconnection, cut off main power source contactor KM, duplicate protection played together with main power source contactor KM
Function, better reliability reduce equipment failure rate to greatest extent, ensure the reliable and stable operation of equipment safety, can effectively solve
Certainly the problems in background technology.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution：
The utility model provides a kind of electric block hoisting control device, including main circuit and control circuit two, main electricity
Routing band shunted exciter tripping air switch 1ZK and main power source contactor KM, contactless conversing contactor KM1 are formed；Control circuit
By control power switch QF2 and with shunted exciter tripping air switch auxiliary magnet and tripping coil 1ZK1, step-down transformer T1, main power source
Contactor KM and contactless conversing contactor KM1 coils, Weight type limit switch SQ1 and button composition.
As a kind of optimal technical scheme of the utility model, the contactless conversing contactor KM1 exports three cores electricity
Cable is to lifting motor M1.
As a kind of optimal technical scheme of the utility model, the Weight type limit switch SQ1 is mounted on electric block
On.
As a kind of optimal technical scheme of the utility model, the band shunted exciter tripping air switch 1ZK closes a floodgate, auxiliary
Contact 1ZK1 is closed, and control power switch QF2 closes a floodgate, and 380V voltages are reduced to security control voltage 36V by step-down transformer T1.
As a kind of optimal technical scheme of the utility model, SB2 is pressed, main power source contactor KM obtains electric closure self-locking,
By the contactless conversing contactor KM1 work of SB4 rising buttons, action is begun to ramp up.
The advantageous effect that the utility model is reached is：A kind of electric block hoisting control device, two positive and negative rotations are general
Logical A.C. contactor changes a contactless conversing contactor KM1 controls into, efficiently solves what A.C. contactor often damaged
Phenomenon；Circuit fire stop is changed to Weight type limit switch SQ1, and Weight type limit switch SQ1 is mounted on electric block, when electronic
Cucurbit is promoted to the mass driven when certain altitude below Weight type limiter so that Weight type limiter acts, and disconnection carries
Device main power source contactor KM is risen, prevents from continuing to rise rushing to summit, play a protective role；Power switch is spaced apart using control power supply
QF2 after scram button is pressed, uses to obtain power supply sky immediately with shunted exciter tripping air switch auxiliary magnet and tripping coil 1ZK1
It cut-offs out, cuts off main power source contactor KM, play double protection functions together with main power source contactor KM, better reliability, most
The reduction equipment failure rate of limits ensures the reliable and stable operation of equipment safety.
It is had technical effect that using technical solution as above：
1. circuit is simple, it is appropriate to dusty, high temperature, high-frequency occasion, installs and easy to maintain.
2. it is relatively reliable to work, service life is long, greatly reduces equipment failure rate, it is ensured that production safety is smooth, to carry
High rhythm of production provides a strong guarantee.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.
In the accompanying drawings：
Fig. 1 is a kind of electric block hoisting control device main circuit schematic diagram described in the utility model embodiment；
Fig. 2 is a kind of electric block hoisting control device control circuit schematic diagram described in the utility model embodiment.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment：Please refer to Fig.1-2, a kind of electric block hoisting control device of the utility model, including main circuit and control
Two, circuit processed, main circuit is by band shunted exciter tripping air switch 1ZK and main power source contactor KM, contactless conversing contactor
KM1 is formed；Control circuit is by control power switch QF2 and with shunted exciter tripping air switch auxiliary magnet and tripping coil 1ZK1, drop
It pressure transformer T1, main power source contactor KM and contactless conversing contactor KM1 coils, Weight type limit switch SQ1 and presses
Button forms.
Further, the contactless conversing contactor KM1 exports three-core cable to lifting motor M1.
Further, the Weight type limit switch SQ1 is mounted on electric block.
Further, the band shunted exciter tripping air switch 1ZK closes a floodgate, and auxiliary contact 1ZK1 is closed, and control power supply is opened
It closes QF2 to close a floodgate, 380V voltages are reduced to security control voltage 36V by step-down transformer T1.
Further, SB2 is pressed, main power source contactor KM obtains electric closure self-locking, by the contactless positive and negative rotation of SB4 rising buttons
Contactor KM1 work, begins to ramp up action.
It should be noted that the utility model is a kind of electric block hoisting control device, when work, by air switch
1ZK closes a floodgate, and auxiliary contact 1ZK1 is closed, and control power switch QF2 closes a floodgate, and 380V voltages are reduced to security control by transformer T1
Voltage 36V presses SB2, and main power source contactor KM obtains electric closure self-locking, works by SB4 rising button Contactless contactors KM1,
Action is begun to ramp up, protection stopping when reaching Weight type limit switch SQ1, by SB5 declines button Contactless contactor KM1 works
Make, lowering action, interlock protection is carried out inside contactless conversing contactor KM1, the oncontacting when SB4, SB5 button are pressed simultaneously
Point conversing contactor will not work, and alarm；It presses SB3 buttons and disconnects main contactor, SB2 buttons are when contactless positive and negative rotation
When contactor KM1 is out of control and main contactor adhesion, main power source can be reliably disconnected, fault spread is prevented, is played a protective role.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Carry out equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of electric block hoisting control device, which is characterized in that including main circuit and control circuit two, main circuit is by band
Shunted exciter tripping air switch 1ZK and main power source contactor KM, contactless conversing contactor KM1 are formed；Control circuit is by controlling
Power switch QF2 with shunted exciter tripping air switch auxiliary magnet and tripping coil 1ZK1, step-down transformer T1, main power source contactor
KM and contactless conversing contactor KM1 coils, Weight type limit switch SQ1 and button composition.
2. a kind of electric block hoisting control device according to claim 1, which is characterized in that the contactless positive and negative rotation
Contactor KM1 exports three-core cable to lifting motor M1.
3. a kind of electric block hoisting control device according to claim 1, which is characterized in that the Weight type limit is opened
SQ1 is closed to be mounted on electric block.
4. a kind of electric block hoisting control device according to claim 1, which is characterized in that the band shunted exciter tripping is empty
Air cock 1ZK closes a floodgate, and auxiliary contact 1ZK1 is closed, and control power switch QF2 closes a floodgate, and step-down transformer T1 is by 380V voltage drops
For security control voltage 36V.
5. a kind of electric block hoisting control device according to claim 1, which is characterized in that press SB2, main power source connects
Tentaculum KM obtains electric closure self-locking, works by the contactless conversing contactor KM1 of SB4 rising buttons, begins to ramp up action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820077822.3U CN207973438U (en) | 2018-01-17 | 2018-01-17 | A kind of electric block hoisting control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820077822.3U CN207973438U (en) | 2018-01-17 | 2018-01-17 | A kind of electric block hoisting control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207973438U true CN207973438U (en) | 2018-10-16 |
Family
ID=63769776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820077822.3U Expired - Fee Related CN207973438U (en) | 2018-01-17 | 2018-01-17 | A kind of electric block hoisting control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207973438U (en) |
-
2018
- 2018-01-17 CN CN201820077822.3U patent/CN207973438U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103104532B (en) | A kind of mining intelligent ventilator controller | |
| CN103132558A (en) | Intelligent water supply system | |
| CN207973438U (en) | A kind of electric block hoisting control device | |
| CN205945069U (en) | High voltage electric network cascade compensation device | |
| CN205595885U (en) | High -speed auto -change over device of fire emergency lighting equipment | |
| CN205064334U (en) | Dust exhausting fan energy -saving control cabinet | |
| CN208479171U (en) | A kind of threephase motor temperature control light current and forceful electric power isolation circuit | |
| CN206452179U (en) | A kind of high-voltage frequency converter of mine hoist redundancy stand-by provision | |
| CN204633646U (en) | A kind of disintegrating machine threephase asynchronous machine soft starting device | |
| CN203612800U (en) | Sucking disc system applied to crown block, and crown block | |
| CN208485311U (en) | A kind of control system of slag storehouse discharging | |
| CN202837870U (en) | Electric control system of novel electric hydraulic grab bucket | |
| CN103376196B (en) | A kind of battery impact test control circuit and control method thereof | |
| CN204696660U (en) | A kind of Motor Driven Elevating Calabash contactor adhesion protective device | |
| CN203851077U (en) | Automatic output power conversion control system for multi-torque motors | |
| CN201976066U (en) | Frequency conversion control device of air compressor | |
| CN201842562U (en) | Double loop control device for rectification and magnetic protection during electromagnetic hoisting and magnetic release | |
| CN206000720U (en) | A kind of main and auxiliary machine interlock control apparatus of compressor | |
| CN206203834U (en) | A kind of dropproof pair of protection device of piler | |
| CN206268048U (en) | Air compressor machine frequency conversion system with standby frequency converter | |
| CN107781152A (en) | A kind of main and auxiliary machine interlock control apparatus of compressor | |
| CN201674444U (en) | Upper-lower limit circuit of single-beam driving hook motor | |
| CN205141835U (en) | Control fan's remote control mechanism | |
| CN217183206U (en) | Control circuit of raw material grab bucket | |
| CN212569491U (en) | Remote switch control circuit of industrial equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181016 Termination date: 20210117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |