CN203278739U - Raymond mill main motor operation monitoring device - Google Patents
Raymond mill main motor operation monitoring device Download PDFInfo
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- CN203278739U CN203278739U CN 201320359680 CN201320359680U CN203278739U CN 203278739 U CN203278739 U CN 203278739U CN 201320359680 CN201320359680 CN 201320359680 CN 201320359680 U CN201320359680 U CN 201320359680U CN 203278739 U CN203278739 U CN 203278739U
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Abstract
The utility model discloses a Raymond mill main motor operation monitoring device mainly comprising a main motor M power supply (1) and a start-operation monitor (2); the start-operation monitor (2) controls the main motor M power supply (1) through contactors KA, KM1, KM2, KM3 and KT so as to operate the main motor M, and employs an electronic accumulation timer LJQ for timing, so maintenance personnel can timely learn operation condition of the equipment. Compared with the prior art, the Raymond mill main motor operation monitoring device can monitor and timing the operation of the Raymond mill main motor, and can remind maintenance personnel to timely maintain the equipment, thereby preventing continuous operation of severely worn equipment.
Description
Technical field
The utility model relates to a kind of Raymond mill master motor running monitor device.
Background technology
Raymond mill is a kind of mine that is widely used in, the cement plant, and the milling equipment in chemical plant is one of visual plant of nonmetallic mineral deep processing.High because of Raymond mill stable performance, strong adaptability, cost performance, certainly introduce China over more than 20 year, by the processing of popularization and application in silicon carbide micro-powder.
Because the hardness of carborundum is higher, Mohs' hardness is 9.5 grades, in the Mohs' hardness standard only lower than diamond, so its processing and being not easy.In the host header of Raymond mill, in the process of lapping with carborundum, because carborundum hardness is large, cause equipment easily to wear and tear at bull ring and grinding roller, need the rapid wear accessories such as periodic replacement bull ring and grinding roller, otherwise can cause harmful effect to the rate of finished products of carborundum.
But because the control cubicle of Raymond mill is traditional Control, the maintenance of equipment personnel are difficult to accurately hold the service time of equipment, often cause the equipment of serious wear still in operation.
Therefore, a kind of operation to Raymond mill master motor is monitored, and particularly the add up device of timing of the operation of Raymond mill master motor is just arisen at the historic moment.
Summary of the invention
The purpose of this utility model be to provide a kind of can be to operation monitoring and the timing of Raymond mill master motor, and then remind the maintenance personal that equipment is in time maintained, the serious equipment of wear prevention continues the Raymond mill master motor running monitor device of operation.
The purpose of this utility model realizes by following structure: mainly be comprised of main motor M power supply (1) and Start-up and operating performance monitor (2) two parts.
Described Start-up and operating performance monitor (2) comprises power supply power taking end, starting switch SB1, electronic type accumulation timer LJQ and controls the contactor KA of main motor M start-up and operation, contactor KA is provided with at least 2 group contacts, be normally opened contact KA1 and normally-closed contact KA2, the normally opened contact KA1 of contactor KA is arranged in the voltage circuit of main motor M power supply (1);
Be provided with contactor KM1, KM2, KM3 and timing contactor KT in parallel with described contactor KA;
Contactor KM1 is provided with at least 3 group contacts, i.e. normally opened contact KM1K1, KM1K2 and normally-closed contact KM1K3;
Contactor KM2 is provided with at least 4 group contacts, i.e. normally opened contact KM2K1, KM2K2, KM2K3, KM2K4;
Contactor KM3 is provided with at least 2 group contacts, i.e. normally opened contact KM3K1 and normally-closed contact KM3K2;
Timing contactor KT is provided with at least 1 group contact, i.e. normally-closed contact KT1;
Wherein, the normally opened contact KM2K1 of contactor KM2 and KA and KA1 series connection is arranged in the voltage circuit of main motor M operation power supply;
The normally opened contact KM2K1 of contactor KM2 connects with the KM3K1 of KM3 and consists of the change-over circuit of main motor M star connection and delta connection;
In the normally opened contact KM2K2 of contactor KM2 and the voltage circuit that is arranged at contactor KA, KM1, KM2, KM3 and KT after starting switch SB1 is in parallel and form an OR circuit;
The normally-closed contact KA2 of contactor KA is arranged in the voltage circuit of contactor KM1, KM2, KM3 and KT;
Contactor KT and normally-closed contact contactor KT in parallel with KM1 is arranged in the voltage circuit of contactor KM1;
Contactor KM2 is in parallel with KM3, and the normally-closed contact of contactor KM1 is arranged in the voltage circuit of KM3; Simultaneously, the normally opened contact KM2K2 of contactor KM2 be arranged at contactor KM2 and KM3 be in parallel after the normally opened contact KM1K3 of contactor KM1 is in parallel after the voltage circuit of circuit in and form an OR circuit;
The normally opened contact KM2K4 of contactor KM2 is arranged in the voltage circuit of timing time switch of electronic type accumulation timer LJQ.
As improvement; preferably be provided with comprehensive protection device LHB1 and main breaker QF1 in motor M power supply of the present utility model (1); the power supply power taking end of described Start-up and operating performance monitor (2) is connected in motor M power supply (1), and after the protector LHB1 of institute is arranged at the power supply power taking end of main breaker QF1 and Start-up and operating performance monitor (2).
Compared with prior art, the utility model can be to operation monitoring and the timing of Raymond mill master motor, and then reminds the maintenance personal that equipment is in time maintained, and the serious equipment of wear prevention continues operation.
Description of drawings
Fig. 1 is the circuit diagram of the utility model embodiment 1.
Shown in figure: 1 is main motor M power supply, and 2 is the Start-up and operating performance monitor.
In circuit diagram: KA, KM1, KM2, KM3, KT are contactor; KA1, KA2, KM1K1, KM1K2, KM1K3, KM2K1, KM2K2, KM2K3, KM2K4, KM3K1, KM3K2, KT1 are contacts of contactor; M is main motor; SB1, SB2 are hand switch, and QF1 is circuit breaker, and A, B, C are binding post; HL1 is indicator light; LJQ is the electronic type accumulation timer, and LHB1 is comprehensive protection device, and TB1, TB2 are terminal box.
Embodiment
Embodiment 1: be the utility model embodiment 1 circuit diagram with reference to Fig. 1.Formed by main motor M power supply 1 and Start-up and operating performance monitor 2 two parts.
Described Start-up and operating performance monitor 2 comprises power supply power taking end, starting switch SB1, electronic type accumulation timer LJQ and controls the contactor KA of main motor M start-up and operation.Electronic type accumulation timer LJQ adopts the cumulative timing unit of JSS-5H integrated electronic, mainly is made of timing circuit, data storing circuit, display.Contactor KA is provided with 2 groups of contacts, i.e. normally opened contact KA1 and normally-closed contact KA2, and the normally opened contact KA1 of contactor KA is arranged in the voltage circuit of main motor M power supply (1).
Be provided with contactor KM1, KM2, KM3 and timing contactor KT in parallel with described contactor KA.Contactor KM1 is provided with 3 groups of contacts, i.e. normally opened contact KM1K1, KM1K2 and normally-closed contact KM1K3.Contactor KM2 is provided with 4 groups of contacts, i.e. normally opened contact KM2K1, KM2K2, KM2K3, KM2K4.Contactor KM3 is provided with 2 groups of contacts, i.e. normally opened contact KM3K1 and normally-closed contact KM3K2.Timing contactor KT is provided with 1 group of contact, i.e. normally-closed contact KT1.Wherein, the normally opened contact KM2K1 of contactor KM2 and KA and KA1 series connection is arranged in the voltage circuit of main motor M operation power supply.The normally opened contact KM2K1 of contactor KM2 connects with the KM3K1 of KM3 and consists of the change-over circuit of main motor M star connection and delta connection.In the normally opened contact KM2K2 of contactor KM2 and the voltage circuit that is arranged at contactor KA, KM1, KM2, KM3 and KT after starting switch SB1 is in parallel and form an OR circuit.The normally-closed contact KA2 of contactor KA is arranged in the voltage circuit of contactor KM1, KM2, KM3 and KT.Contactor KT and normally-closed contact contactor KT in parallel with KM1 is arranged in the voltage circuit of contactor KM1.Contactor KM2 is in parallel with KM3, and the normally-closed contact of contactor KM1 is arranged in the voltage circuit of KM3; Simultaneously, the normally opened contact KM2K2 of contactor KM2 be arranged at contactor KM2 and KM3 be in parallel after the normally opened contact KM1K3 of contactor KM1 is in parallel after the voltage circuit of circuit in and form an OR circuit; The normally opened contact KM2K4 of contactor KM2 is arranged in the voltage circuit of timing time switch of electronic type accumulation timer LJQ.
Be provided with comprehensive protection device LHB1 and main breaker QF1 in motor M power supply 1; the power supply power taking end of described Start-up and operating performance monitor 2 is connected in motor M power supply 1, and after the protector LHB1 of institute is arranged at the power supply power taking end of main breaker QF1 and Start-up and operating performance monitor 1.
The utility model course of work is as follows: power supply is taken from the Three-phase five-wire electric power system, and QF1 is three-phase breaker, can work the effect of opening circuit to whole circuit.
LHB1 is integrated protector for electric motor, and when main motor M overload or phase-deficient operation, LHB1 namely trips and makes equipment out of service.
Contactor KA, KM1, KM2, KM3 are three-phase ac contactor, and when KM1 and KM2 moved simultaneously, during the contact KM1K1 of KM1 and KM2 and KM2K1 adhesive simultaneously, main motor M was the star starting state, and starting current is low; When KM2 and KM3 move simultaneously, the contact KM2K1 of KM2 and KM3 and KM3K1 adhesive simultaneously, main motor M is by the delta connection operation, and equipment is in normal operating condition.
SB1 is starting button, and after pressing SB1, A.C. contactor KM1 and time relay KT1 get electric.The KM1 adhesive makes normally opened contact KM1K1, the KM1K2 of KM1 closed, the normally-closed contact KM1K3 of KM1 is in disconnection, A.C. contactor KM2 simultaneously electric and self-locking, the contact KM2K1 of KM1 and KM2 and KM3K1 adhesive simultaneously, make main motor M move by star connection and be in starting state, equipment brings into operation.
Contactor KT is the time relay, and after the time that KT sets arrived, the normally-closed contact KT1 of KT disconnected and makes contactor KM1 dead electricity, and normally opened contact KM1K1, the KM1K2 of KM1 disconnects, and the normally-closed contact KM1K3 of KM1 is closed, and A.C. contactor KM3 gets electric adhesive.This moment, contact KM2K1, the KM3K1 adhesive simultaneously of contactor KM2 and KM3 made main motor M move by delta connection, and main motor M is in normal operating condition, and equipment is in normal operating condition.
Press KM1, KM2 after the SB2 that stops key, the whole dead electricity of KM3, motor is out of service.
When motor overload or phase shortage, integrated protector for electric motor LHB1 tripping operation also will make motor out of service.
HL1 is the motor run indicator, no matter main motor is by the star connection operation or by the delta connection operation, HL1 can be lit.
After system's startup work, the voltage circuit of the time switch of electronic type accumulation timer LJQ is switched on, and timing circuit is the operation timing that adds up to main motor, and deposits in the data storing circuit and on display and show.Reach the maintenance period of equipment when running time after, the maintenance of equipment personnel can change or repair bull ring and grinding roller.In addition, can also calculate the equipment accumulated running time of every day by native system, thereby facilitate the output of equipment in the unit of account time, when the per unit area yield of this Raymond mill was starkly lower than average per unit area yield, maintenance of equipment personnel reply equipment checked comprehensively.
The utility model circuit is simple and easy to maintenance, and use cost is low, can also be used in the operation monitoring of other similar devices, repeats no more.
Claims (2)
1. a Raymond mill master motor running monitor device, mainly be comprised of main motor M power supply (1) and Start-up and operating performance monitor (2) two parts; It is characterized in that:
Described Start-up and operating performance monitor (2) comprises power supply power taking end, starting switch SB1, electronic type accumulation timer LJQ and controls the contactor KA of main motor M start-up and operation, contactor KA is provided with at least 2 group contacts, be normally opened contact KA1 and normally-closed contact KA2, the normally opened contact KA1 of contactor KA is arranged in the voltage circuit of main motor M power supply (1);
Be provided with contactor KM1, KM2, KM3 and timing contactor KT in parallel with described contactor KA;
Contactor KM1 is provided with at least 3 group contacts, i.e. normally opened contact KM1K1, KM1K2 and normally-closed contact KM1K3;
Contactor KM2 is provided with at least 4 group contacts, i.e. normally opened contact KM2K1, KM2K2, KM2K3, KM2K4;
Contactor KM3 is provided with at least 2 group contacts, i.e. normally opened contact KM3K1 and normally-closed contact KM3K2;
Timing contactor KT is provided with at least 1 group contact, i.e. normally-closed contact KT1;
Wherein, the normally opened contact KM2K1 of contactor KM2 and KA and KA1 series connection is arranged in the voltage circuit of main motor M operation power supply;
The normally opened contact KM2K1 of contactor KM2 connects with the KM3K1 of KM3 and consists of the change-over circuit of main motor M star connection and delta connection;
In the normally opened contact KM2K2 of contactor KM2 and the voltage circuit that is arranged at contactor KA, KM1, KM2, KM3 and KT after starting switch SB1 is in parallel and form an OR circuit;
The normally-closed contact KA2 of contactor KA is arranged in the voltage circuit of contactor KM1, KM2, KM3 and KT;
Contactor KT and normally-closed contact contactor KT in parallel with KM1 is arranged in the voltage circuit of contactor KM1;
Contactor KM2 is in parallel with KM3, and the normally-closed contact of contactor KM1 is arranged in the voltage circuit of KM3; Simultaneously, the normally opened contact KM2K2 of contactor KM2 be arranged at contactor KM2 and KM3 be in parallel after the normally opened contact KM1K3 of contactor KM1 is in parallel after the voltage circuit of circuit in and form an OR circuit;
The normally opened contact KM2K4 of contactor KM2 is arranged in the voltage circuit of timing time switch of electronic type accumulation timer LJQ.
2. Raymond mill master motor running monitor device according to claim 1; it is characterized in that being provided with in described motor M power supply (1) comprehensive protection device LHB1 and main breaker QF1; the power supply power taking end of described Start-up and operating performance monitor (2) is connected in motor M power supply (1), and after the protector LHB1 of institute is arranged at the power supply power taking end of main breaker QF1 and Start-up and operating performance monitor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320359680 CN203278739U (en) | 2013-06-23 | 2013-06-23 | Raymond mill main motor operation monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320359680 CN203278739U (en) | 2013-06-23 | 2013-06-23 | Raymond mill main motor operation monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203278739U true CN203278739U (en) | 2013-11-06 |
Family
ID=49509062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320359680 Expired - Fee Related CN203278739U (en) | 2013-06-23 | 2013-06-23 | Raymond mill main motor operation monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203278739U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105045145A (en) * | 2015-06-25 | 2015-11-11 | 苏州市龙源电力科技股份有限公司 | Regularly-maintained electrical control cabinet |
-
2013
- 2013-06-23 CN CN 201320359680 patent/CN203278739U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105045145A (en) * | 2015-06-25 | 2015-11-11 | 苏州市龙源电力科技股份有限公司 | Regularly-maintained electrical control cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20170623 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |