CN205323971U - Control system of high -speed sloping cam plate grader - Google Patents

Control system of high -speed sloping cam plate grader Download PDF

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Publication number
CN205323971U
CN205323971U CN201520976623.2U CN201520976623U CN205323971U CN 205323971 U CN205323971 U CN 205323971U CN 201520976623 U CN201520976623 U CN 201520976623U CN 205323971 U CN205323971 U CN 205323971U
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relay
safety relay
detection switch
open contact
normally closed
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高文祥
高伟
黄永宝
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Myande Group Co Ltd
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Myande Group Co Ltd
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Abstract

The utility model discloses a control system of high -speed sloping cam plate grader surveys pulse signal detection switch and time relay series connection that rotary drum bottom flows, and the vibration signal detection switch and the 2nd time relay that survey the vibration establish ties, after establishing ties, the temperature signal detection switch and the 3rd time relay that survey main motor bearing temperature be connected respectively between live wire and zero line, first, the two signal unit short circuits of safety relay, it has normally closed interlock first, two, three time relay to establish ties between the 3rd signal unit, a safety relay normally open contact is connected with the live wire and establishes ties with the 2nd normally open contact, and the 2nd normally open contact's of safety relay lower pile head links to each other with the zero line after establishing ties with the coil of stop button, start button and main electric machine control relay, it has reset button to establish ties between safety relay's the reset signal unit. This control system detects that the underflow opening blocks up or motor vibration can shut down when too big at once.

Description

The control system of high speed swash plate grader
Technical field
This utility model relates to a kind of high speed swash plate grader that can be used for ore pulp classification, particularly relates to the control system of a kind of high speed swash plate grader, belongs to technical field of industrial control。
Background technology
Wet dressing is mainly made up of broken, ore grinding, classification, flotation, filter pressing Deng Ji road workshop section, raw ore particle diameter after broken ore grinding reaches about 74um, it is sent in cyclone and carries out classification, underflow after classification enters concentrate flotation workshop section, overflow generally has two whereabouts, one is the direct last person, and two is be sent in mine tailing flotation workshop section, and the concentrate obtained after flotation obtains finished product through filter pressing。
For improving effectiveness of classification and efficiency, market occurring in that, micro-size fraction ore pulp is carried out classification by employing high speed sorting。High speed swash plate grader includes rotary drum case and is positioned at the drum assembly of rotary drum case inner chamber, rotary drum case is by superposed overflow case and is positioned at the underflow case of bottom and surrounds and form, the top of overflow case is that fornix shape and top center are by overflowing hood shell top closure, the bottom, periphery of overflow case is provided with overflow discharging opening, and the bottom, periphery of underflow case is provided with underflow discharging opening;Feed pipe is inserted into the inner chamber bottom of drum assembly along the axis of drum assembly;The mid diameter maximum of drum assembly is evenly distributed with multiple rotary drum underflow opening, and rotary drum underflow opening is connected by helical flow path with underflow discharging opening;Being evenly distributed with multiple rotary drum overfall on the top circumference of drum assembly, rotary drum overfall is connected by helical flow path with overflow discharging opening。The bottom centre of drum assembly is fixed on the armature spindle upper end of mair motor, and mair motor is fixed on the inner chamber of base, and the upper port of base is fixing with the lower end of underflow case to be connected。
Have certain concentration and viscosity due to ore pulp, especially the mobility of underflow is poor, it is easy to blocking rotary drum underflow opening, when blocked rotary drum underflow opening reaches some, it is necessary to shut down and clear up。Additionally due to the weight of drum assembly is big, once dynamic balancing is not good or lubrication goes wrong, the vibration causing grader is strengthened, and the bearing temperature of mair motor raises, it is necessary to shut down at once and safeguard, it is to avoid device damage occurs。
Utility model content
For overcoming problems of the prior art, this utility model provides the control system of a kind of high speed swash plate grader, when blocked rotary drum underflow opening reaches some or vibrates excessive, it is possible to shut down at once。
For solving above technical problem, the control system of a kind of high speed swash plate grader of the present utility model, temperature signal detection switch PTC1 and the vibration signal detection switch SW3 detecting mair motor vibration including detection grader mair motor bearing temperature, also include the pulse signal detection switch SW2 and safety relay SA1 of detection grader rotary drum underflow opening jet, be connected between live wire and the zero line controlling loop after the coils connected in series of described pulse signal detection switch SW2 and very first time relay K T1;It is connected between live wire and the zero line controlling loop after the coils connected in series of described vibration signal detection switch SW3 and the second time relay KT2;It is connected between live wire and the zero line controlling loop after the coils connected in series of described temperature signal detection switch PTC1 and the three time relay KT3;The power input A1/A2 of described safety relay SA1 connects between live wire and the zero line controlling loop;The sender end T1 of described safety relay the first signal element and receiving terminal IN1 phase short circuit, the sender end T2 of the secondary signal unit of safety relay and receiving terminal IN2 phase short circuit;The normally closed interlock of described very first time relay K T1, the second time relay KT2 and the three time relay KT3 it is in series with between sender end T3 and the receiving terminal IN3 of the 3rd signal element of described safety relay;The upper pile crown 41 of first normally closed interlock of described safety relay SA1 is connected with the live wire controlling loop, and the lower pile crown 42 of the first normally closed interlock of described safety relay is connected with zero line after being connected with signal lamp LP1;The upper pile crown 43 of the first normally open contact of described safety relay is connected with the live wire controlling loop, the lower pile crown 44 of the first normally open contact is connected with the upper pile crown 23 of the second normally open contact, the lower pile crown 24 of the second normally open contact is connected with zero line after controlling the coils connected in series of relay CM1 with stop button SB2, startup button SB3 and mair motor;The self-keeping contact CM1-1 of mair motor control relay is connected in parallel on the two ends of described startup button SB3;It is in series with SR SB4 between the reset signal unit 51/52 of described safety relay。
Relative to prior art, this utility model achieves following beneficial effect: under normal circumstances, the receiving terminal IN1 of the first signal element receives the sender end T1 of the first signal element voltage signal sent, the receiving terminal IN2 of secondary signal unit receives the sender end T2 of the secondary signal unit voltage signal sent simultaneously, then the first normally open contact Guan Bi of safety relay。The receiving terminal IN3 of the 3rd signal element receives the second normally open contact Guan Bi of the sender end T3 of the 3rd signal element voltage signal then safety relay sent。
First, second and third signal element is in conducting state, and the first normally closed interlock of safety relay disconnects, and signal lamp LP1 does not work。
After pressing startup button SB3, mair motor controls the coil of relay CM1 and obtains electric, and mair motor starts, and mair motor controls self-keeping contact's CM1-1 adhesive self-insurance of relay。
The umber of pulse weekly of rotary drum underflow opening is detected lower than when setting number when pulse signal detection switchs SW2, the normally open contact Guan Bi of pulse signal detection switch SW2, the coil of very first time relay K T1 obtains electric, and the normally closed interlock time delay of very first time relay K T1 disconnects;When mair motor vibration is excessive, the normally open contact of vibration signal detection switch SW3 is connected, and the coil of the second time relay KT2 obtains electric, and the normally closed interlock time delay of the second time relay KT2 disconnects;When mair motor bearing temperature exceedes setting value, the normally open contact of temperature signal detection switch PTC1 is connected the coil of the 3rd time relay KT3 and is obtained electric, and the normally closed interlock time delay of the 3rd time relay KT3 disconnects;As long as the above-mentioned normally closed interlock of first, second and third time relay has a disconnection, then the receiving terminal IN3 of the 3rd signal element does not receive the sender end T3 of the 3rd signal element voltage signal sent, second normally open contact of safety relay disconnects, mair motor controls the coil losing electricity of relay CM1, and mair motor is out of service;First normally closed interlock Guan Bi of safety relay, signal lamp LP1 lights, and sends signal。After failture evacuation, press SR SB4, then safety relay resets。
As improvement of the present utility model, safety door is installed between overflow case and the underflow case of described swash plate grader and protects switch SW1, described safety door is protected between the first normally closed interlock SW1-1 switched the first signal element T1/IN1 being connected on described safety relay, and described safety door is protected between the second normally closed interlock SW1-2 the switched secondary signal unit T2/IN2 being connected on described safety relay。When overflow case separates with underflow case, safety door is protected the first normally closed interlock SW1-1 and the second normally closed interlock SW1-2 of switch and all be will be switched off, the receiving terminal IN1 of the first signal element does not receive the sender end T1 of the first signal element voltage signal sent, or the receiving terminal IN2 of secondary signal unit does not receive the sender end T2 of the secondary signal unit voltage signal sent, then the first normally open contact of safety relay disconnects, mair motor is out of service, and synchronous signal display lamp LP1 lights。
As improvement of the present utility model, between the 3rd signal element T3/IN3 of described safety relay, also it is in series with the normally closed interlock of thermorelay Q1。When the load of mair motor is bigger, when overcurrent occurs, the normally closed interlock of thermorelay Q1 disconnects, the receiving terminal IN3 that can make safety relay the 3rd signal element does not receive the sender end T3 of the 3rd signal element voltage signal sent yet, second normally open contact of safety relay disconnects, mair motor controls the coil losing electricity of relay CM1, and mair motor is out of service;First normally closed interlock Guan Bi of safety relay, signal lamp LP1 lights, and sends signal。
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the control system of this utility model high speed swash plate grader。
Fig. 2 is the schematic diagram of the control system of this utility model high speed swash plate grader。
In figure: 1. base;2. mair motor;2a. armature spindle;3. drum assembly;3a. rotary drum underflow opening;3b. rotary drum overfall;4. feed pipe;5. overflow case;5a. overflow discharging opening;6. underflow case;6a. underflow discharging opening;SA1. safety relay;SB1. scram button;SB2. stop button;SB3. button is started;SB4. SR;SW1. safety door protects switch;SW2. pulse signal detection switch;SW3. vibration signal detection switch;PTC1. temperature signal detection switch;CM1. mair motor controls relay;KT1. very first time relay;KT2. second time relay;KT3. the 3rd time relay;LP1. signal lamp;F1. fuse one;F2. fuse two;F3. fuse three;Q1. thermorelay。
Detailed description of the invention
As shown in Figure 1, high speed swash plate grader includes rotary drum case and is positioned at the drum assembly 3 of rotary drum case inner chamber, rotary drum case is by superposed overflow case 5 and is positioned at the underflow case 6 of bottom and surrounds and form, the top of overflow case 5 is that fornix shape and top center are by overflow case 5 top closure, the bottom, periphery of overflow case 5 is provided with overflow discharging opening 5a, and the bottom, periphery of underflow case 6 is provided with underflow discharging opening 6a;Feed pipe 4 is inserted into the inner chamber bottom of drum assembly along the axis of drum assembly 3;The mid diameter maximum of drum assembly is evenly distributed with multiple rotary drum underflow opening 3a, and rotary drum underflow opening 3a is connected by helical flow path with underflow discharging opening 6a;Being evenly distributed with multiple rotary drum overfall 3b on the top circumference of drum assembly, rotary drum overfall 3b is connected by helical flow path with overflow discharging opening 5a。The bottom centre of drum assembly is fixed on the armature spindle 2a upper end of mair motor 2, and mair motor 2 is fixed on the inner chamber of base 1, and the upper port of base 1 is fixing with the lower end of underflow case 6 to be connected。
The adpting flange place of overflow case 5 and underflow case 6 is provided with safety door and protects switch SW1, once overflow case 5 departs from underflow case 6, safety door is protected the normally closed interlock of switch SW1 and be will be switched off。
Rotary drum case inner chamber and rotary drum underflow opening 3a just to position pulse signal detection switch SW2 is installed, drum assembly 3 rotates a circle, pulse signal detection switch SW2 will detect and the rotary drum equal numbers of pulse of underflow opening 3a, when part rotary drum underflow opening blocks, the umber of pulse that pulse signal detection switch SW2 detects will reduce, lower than when setting number, the normally open contact of pulse signal detection switch SW2 will Guan Bi。
The bearing portion of mair motor 2 is provided with the temperature signal detection switch PTC1 of detection mair motor bearing temperature, and when temperature exceedes setting value, the normally open contact of temperature signal detection switch PTC1 will turn on。
The upper end cover of mair motor and the connecting portion of base are provided with the vibration signal detection switch SW3 of detection mair motor vibration, and when mair motor vibration is excessive, the normally open contact of vibration signal detection switch SW3 will turn on。
As shown in Figure 2, the control system of this utility model high speed swash plate grader, temperature signal detection switch PTC1 and the vibration signal detection switch SW3 detecting mair motor vibration including detection grader mair motor bearing temperature, also include the pulse signal detection switch SW2 and safety relay SA1 of detection grader rotary drum underflow opening jet, be connected between live wire and the zero line controlling loop after the coils connected in series of pulse signal detection switch SW2 and very first time relay K T1;It is connected between live wire and the zero line controlling loop after the coils connected in series of vibration signal detection switch SW3 and the second time relay KT2;It is connected between live wire and the zero line controlling loop after the coils connected in series of temperature signal detection switch PTC1 and the three time relay KT3;The power input A1 of safety relay SA1 is connected with the live wire controlling loop by fuse one F1, between power input A2 and zero line。
The sender end T1 of safety relay the first signal element and receiving terminal IN1 phase short circuit, the sender end T2 of the secondary signal unit of safety relay and receiving terminal IN2 phase short circuit;The normally closed interlock of very first time relay K T1, the second time relay KT2 and the three time relay KT3 it is in series with between sender end T3 and the receiving terminal IN3 of the 3rd signal element of safety relay。
The upper pile crown 41 of first normally closed interlock of safety relay SA1 is connected with the live wire controlling loop by fuse two F2, and the lower pile crown 42 of the first normally closed interlock of safety relay is connected with zero line after being connected with signal lamp LP1。
The upper pile crown 43 of the first normally open contact of safety relay is connected with the live wire controlling loop by fuse three F3, the lower pile crown 44 of the first normally open contact is connected with the upper pile crown 23 of the second normally open contact, the lower pile crown 24 of the second normally open contact is connected with zero line after controlling the coils connected in series of relay CM1 with scram button SB1, stop button SB2, startup button SB3 and mair motor;Mair motor controls the self-keeping contact CM1-1 of relay and is connected in parallel on the two ends starting button SB3。It is in series with SR SB4 between the reset signal unit 51/52 of safety relay。
Under normal circumstances, the receiving terminal IN1 of the first signal element receives the sender end T1 of the first signal element voltage signal sent, the receiving terminal IN2 of secondary signal unit receives the sender end T2 of the secondary signal unit voltage signal sent simultaneously, then the first normally open contact Guan Bi of safety relay。The receiving terminal IN3 of the 3rd signal element receives the second normally open contact Guan Bi of the sender end T3 of the 3rd signal element voltage signal then safety relay sent。
First, second and third signal element is in conducting state, and the first normally closed interlock of safety relay disconnects, and signal lamp LP1 does not work。
After pressing startup button SB3, mair motor controls the coil of relay CM1 and obtains electric, and mair motor starts, and mair motor controls self-keeping contact's CM1-1 adhesive self-insurance of relay。
The umber of pulse weekly of rotary drum underflow opening is detected lower than when setting number when pulse signal detection switchs SW2, the normally open contact Guan Bi of pulse signal detection switch SW2, the coil of very first time relay K T1 obtains electric, and the normally closed interlock time delay of very first time relay K T1 disconnects;When mair motor vibration is excessive, the normally open contact of vibration signal detection switch SW3 is connected, and the coil of the second time relay KT2 obtains electric, and the normally closed interlock time delay of the second time relay KT2 disconnects;When mair motor bearing temperature exceedes setting value, the normally open contact of temperature signal detection switch PTC1 is connected the coil of the 3rd time relay KT3 and is obtained electric, and the normally closed interlock time delay of the 3rd time relay KT3 disconnects;As long as the above-mentioned normally closed interlock of first, second and third time relay has a disconnection, then the receiving terminal IN3 of the 3rd signal element does not receive the sender end T3 of the 3rd signal element voltage signal sent, second normally open contact of safety relay disconnects, mair motor controls the coil losing electricity of relay CM1, and mair motor is out of service;First normally closed interlock Guan Bi of safety relay, signal lamp LP1 lights, and sends signal。After failture evacuation, press SR SB4, then safety relay resets。
Safety door is installed between overflow case and the underflow case of swash plate grader and protects switch SW1, safety door is protected between the first normally closed interlock SW1-1 switched the first signal element T1/IN1 being connected on safety relay, and safety door is protected between the second normally closed interlock SW1-2 the switched secondary signal unit T2/IN2 being connected on safety relay。When overflow case separates with underflow case, safety door is protected the first normally closed interlock SW1-1 and the second normally closed interlock SW1-2 of switch and all be will be switched off, the receiving terminal IN1 of the first signal element does not receive the sender end T1 of the first signal element voltage signal sent, or the receiving terminal IN2 of secondary signal unit does not receive the sender end T2 of the secondary signal unit voltage signal sent, then the first normally open contact of safety relay disconnects, mair motor is out of service, and synchronous signal display lamp LP1 lights。
The normally closed interlock of thermorelay Q1 also it is in series with between 3rd signal element T3/IN3 of safety relay。When the load of mair motor is bigger, when overcurrent occurs, the normally closed interlock of thermorelay Q1 disconnects, the receiving terminal IN3 that can make safety relay the 3rd signal element does not receive the sender end T3 of the 3rd signal element voltage signal sent yet, second normally open contact of safety relay disconnects, mair motor controls the coil losing electricity of relay CM1, and mair motor is out of service;First normally closed interlock Guan Bi of safety relay, signal lamp LP1 lights, and sends signal。
Safety relay can select Siemens's 3TK28 safety relay。In addition to the implementation, this utility model can also have other embodiments, all employings to be equal to replacement or the technical scheme of equivalent transformation formation, all falls within the protection domain of this utility model requirement。

Claims (3)

1. the control system of a high speed swash plate grader, including vibration signal detection switch (SW3) that temperature signal detection switch (PTC1) and the detection mair motor of detection grader mair motor bearing temperature vibrate, it is characterized in that, also include pulse signal detection switch (SW2) and the safety relay (SA1) of detection grader rotary drum underflow opening jet, be connected between the live wire and the zero line that control loop after the coils connected in series of described pulse signal detection switch (SW2) and very first time relay (KT1);It is connected between the live wire and the zero line that control loop after the coils connected in series of described vibration signal detection switch (SW3) and second time relay (KT2);It is connected between the live wire and the zero line that control loop after the coils connected in series of described temperature signal detection switch (PTC1) and the 3rd time relay (KT3);The power input (A1/A2) of described safety relay (SA1) connects between live wire and the zero line controlling loop;
The sender end (T1) of described safety relay the first signal element and receiving terminal (IN1) phase short circuit, the sender end (T2) of the secondary signal unit of safety relay and receiving terminal (IN2) phase short circuit;The normally closed interlock of described very first time relay (KT1), second time relay (KT2) and the 3rd time relay (KT3) it is in series with between sender end (T3) and the receiving terminal (IN3) of the 3rd signal element of described safety relay;
The upper pile crown (41) of the first normally closed interlock of described safety relay (SA1) is connected with the live wire controlling loop, and the lower pile crown (42) of the first normally closed interlock of described safety relay is connected with zero line after being connected with signal lamp (LP1);
The upper pile crown (43) of the first normally open contact of described safety relay is connected with the live wire controlling loop, the lower pile crown (44) of the first normally open contact is connected with the upper pile crown (23) of the second normally open contact, and the lower pile crown (24) of the second normally open contact controls with stop button (SB2), startup button (SB3) and mair motor to be connected with zero line after the coils connected in series of relay (CM1);The self-keeping contact (CM1-1) of mair motor control relay is connected in parallel on the two ends of described startup button (SB3);
It is in series with SR (SB4) between the reset signal unit (51/52) of described safety relay。
2. the control system of high speed swash plate grader according to claim 1, it is characterized in that, safety door is installed between overflow case and the underflow case of described swash plate grader and protects switch (SW1), described safety door is protected between the first signal element (T1/IN1) that the first normally closed interlock (SW1-1) switched is connected on described safety relay, and described safety door is protected between the secondary signal unit (T2/IN2) that the second normally closed interlock (SW1-2) switched is connected on described safety relay。
3. the control system of high speed swash plate grader according to claim 1 and 2, is characterized in that, is also in series with the normally closed interlock of thermorelay (Q1) between the 3rd signal element (T3/IN3) of described safety relay。
CN201520976623.2U 2015-12-01 2015-12-01 Control system of high -speed sloping cam plate grader Active CN205323971U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107053213A (en) * 2017-06-01 2017-08-18 江苏维力安智能科技有限公司 A kind of wu-zhi-shan pig jerk recovers control loop
CN108246492A (en) * 2018-02-02 2018-07-06 内蒙古拜仁矿业有限公司 Steel ball slag, the full-automatic remover of detonator plastic skin

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107053213A (en) * 2017-06-01 2017-08-18 江苏维力安智能科技有限公司 A kind of wu-zhi-shan pig jerk recovers control loop
CN108246492A (en) * 2018-02-02 2018-07-06 内蒙古拜仁矿业有限公司 Steel ball slag, the full-automatic remover of detonator plastic skin
CN108246492B (en) * 2018-02-02 2023-08-04 内蒙古拜仁矿业有限公司 Full-automatic cleaner for steel ball slag and detonating tube plastic skin

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