CN204835484U - A protection device for ball mill - Google Patents
A protection device for ball mill Download PDFInfo
- Publication number
- CN204835484U CN204835484U CN201520458713.2U CN201520458713U CN204835484U CN 204835484 U CN204835484 U CN 204835484U CN 201520458713 U CN201520458713 U CN 201520458713U CN 204835484 U CN204835484 U CN 204835484U
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- China
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- temperature
- ball mill
- ball grinder
- grinder bush
- bush
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Abstract
The utility model discloses a protection device for ball mill, ball mill include motor, first ball mill axle bush and second ball mill axle bush, and protection device includes: first electricity connects the contact temperature table, and first electricity connects the contact temperature table to set up the temperature in order to detect first ball mill axle bush on first ball mill axle bush, the second electricity connects the contact temperature table, and the second electricity connects the contact temperature table to set up the temperature in order to detect second ball mill axle bush on second ball mill axle bush, the control unit, when the temperature more than or equal to default temperature of the temperature more than or equal to default temperature of first ball mill axle bush and/or second ball mill axle bush, the control unit passes through the control motor and shuts down. This protection device can be at ball mill axle bush temperature rise auto -stop during to default temperature, has effectively avoided because ball mill axle bush temperature lasts the ball mill axle bush reel shaft that risees and lead to damages to the ball mill has been protected effectively.
Description
Technical field
The utility model relates to ball mill technical field, particularly a kind of protective device for ball mill.
Background technology
Temperature when ball grinder bush normally runs is 0-60 DEG C; but when ball grinder bush long-play; because ball grinder bush oil starvation, ball grinder bush itself or axle have the reason such as wearing and tearing or friction heating to make the temperature of ball grinder bush higher than 60 DEG C; thus ball grinder bush or axle are damaged; and then cause full factory to shut down or device damage, bring tremendous economic to lose.
At present, to the detection of the temperature of ball grinder bush, depend on operating personnel's spot check hourly, but there is the situations such as the not in place or non-spot check of spot check like this, ball mill is existed operate with failure for a long time, cause ball grinder bush or axle to damage, bring hidden danger to equipment safety operation.
Utility model content
The purpose of this utility model is intended at least solve one of above-mentioned technological deficiency.
For this reason; the purpose of this utility model is to propose a kind of protective device for ball mill; can when ball grinder bush temperature rises to preset temperature autostop; effectively prevent the ball grinder bush or axle damage that cause because ball grinder bush constant temperature raises, thus effectively protect ball mill.
For achieving the above object, the utility model proposes a kind of protective device for ball mill, described ball mill comprises motor, the first ball grinder bush and the second ball grinder bush, described first ball grinder bush and described second ball grinder bush are separately positioned on the two ends of described motor, described protective device comprises: the first electrical pickoff thermometer, and described first electrical pickoff thermometer is arranged on described first ball grinder bush to detect the temperature of described first ball grinder bush; Second electrical pickoff thermometer, described second electrical pickoff thermometer is arranged on described second ball grinder bush to detect the temperature of described second ball grinder bush; Control unit; described control unit is connected with described second electrical pickoff thermometer with described motor, described first electrical pickoff thermometer respectively; wherein; when the temperature that the temperature of described first ball grinder bush is more than or equal to preset temperature and/or described second ball grinder bush is more than or equal to described preset temperature, described control unit is by controlling described motor failure.
According to the protective device for ball mill of the present utility model, the temperature of the first ball grinder bush is detected by the first electrical pickoff thermometer, and the temperature of the second ball grinder bush is detected by the second electrical pickoff thermometer, when the temperature that the temperature of the first ball grinder bush is more than or equal to preset temperature and/or the second ball grinder bush is more than or equal to preset temperature, control unit is by controlling motor failure, thus the Real-Time Monitoring realized the temperature of ball grinder bush, and when the temperature of ball grinder bush rises to preset temperature autostop, avoid the ball grinder bush or axle damage that cause because ball grinder bush constant temperature raises, thus effectively protect ball mill and saved manpower.
Particularly, described first electrical pickoff thermometer comprises the first ceiling temperature normally opened contact, described second electrical pickoff thermometer comprises the second ceiling temperature normally opened contact, wherein, when the temperature of described first ball grinder bush is more than or equal to described preset temperature, described first ceiling temperature normally opened contact closes; When the temperature of described second ball grinder bush is more than or equal to described preset temperature, described second ceiling temperature normally opened contact closes.
Particularly; described control unit comprises: the first relay; the normally-closed contact of described first relay is connected in the start and stop loop of described motor; with the coils connected in series of described first relay after described first ceiling temperature normally opened contact and described second ceiling temperature normally opened contact parallel connection; wherein; when described first ceiling temperature normally opened contact is closed or described second ceiling temperature normally opened contact closes, the normally-closed contact of described first relay disconnects, to make described motor out of service.
Particularly, the above-mentioned protective device for ball mill, also comprises: alarm unit, and described alarm unit is connected with described control unit, and when described control unit is by controlling described motor failure, described alarm unit sends alarm.
Preferably, described alarm unit can comprise indicator light and/or buzzer.
The aspect that the utility model is additional and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
The utility model above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is the block diagram of the protective device for ball mill according to the utility model embodiment;
Fig. 2 is the block diagram of the protective device for ball mill according to the utility model embodiment;
Fig. 3 is the workflow diagram of the protective device for ball mill according to the utility model embodiment; And
Fig. 4 is the part control principle drawing of the ball mill according to the utility model embodiment.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the utility model.In addition, the utility model can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the utility model provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it " on " structure can comprise the embodiment that the first and second features are formed as directly contact, also can comprise other feature and be formed in embodiment between the first and second features, such first and second features may not be direct contacts.
In description of the present utility model, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
The protective device for ball mill proposed according to the utility model embodiment is described with reference to the accompanying drawings.
Fig. 1 is the block diagram of the protective device for ball mill according to the utility model embodiment.As shown in Figure 1; ball mill comprises motor M, the first ball grinder bush 10 and the second ball grinder bush 20; first ball grinder bush 10 and the second ball grinder bush 20 are separately positioned on the two ends of motor M, and the protective device for ball mill comprises the first electrical pickoff thermometer 30, second electrical pickoff thermometer 40 and control unit 50.
Wherein, first electrical pickoff thermometer 30 is arranged on the first ball grinder bush 10 to detect the temperature of the first ball grinder bush 10, second electrical pickoff thermometer 40 is arranged on the second ball grinder bush 20 to detect the temperature of the second ball grinder bush 20, control unit 50 respectively with motor M, first electrical pickoff thermometer 30 is connected with the second electrical pickoff thermometer 40, wherein, when the temperature that the temperature of the first ball grinder bush 10 is more than or equal to preset temperature and/or the second ball grinder bush 20 is more than or equal to preset temperature, control unit 50 is shut down by controlling motor M.
Wherein, preset temperature can be demarcated according to actual conditions.Usually, temperature when ball grinder bush normally runs is 0-60 DEG C, and therefore, preferably, preset temperature can be 60 DEG C.
According to an embodiment of the present utility model, as shown in Figure 2, the above-mentioned protective device for ball mill; also comprise alarm unit 60; alarm unit 60 is connected with control unit 50, and when control unit 50 is shut down by controlling motor M, alarm unit 60 sends alarm.
Preferably, alarm unit 60 can comprise indicator light and/or buzzer.
Particularly, as shown in Figure 2, ball mill also comprises pneumatic clutch 70 and ball mill barrel 80, one end of pneumatic clutch 70 is connected with the second ball grinder bush 20, the other end of pneumatic clutch 70 is connected with ball mill barrel 80, when motor M runs, motor M drives ball mill barrel 80 to run by the second ball grinder bush 20 and pneumatic clutch 70.
In ball mill running, first electrical pickoff thermometer 30 detects the temperature of the first ball grinder bush 10 in real time, simultaneously, second electrical pickoff thermometer 40 detects the temperature of the second ball grinder bush 20 in real time, when the temperature of the first ball grinder bush 10 of the first electrical pickoff thermometer 30 detection is more than or equal to preset temperature as 60 DEG C, or when the temperature of the second ball grinder bush 20 that the second electrical pickoff thermometer 40 detects is more than or equal to preset temperature as 60 DEG C, it is out of service that control unit 50 controls motor M, thus avoid because ball grinder bush constant temperature raises and ball grinder bush or axle are damaged, simultaneously, alarm unit 60 such as indicator light or buzzer send alarm, to notify that maintenance personal processes in time, effectively protect ball mill, avoid fault spread to cause larger economic loss and saved human cost.
Further, as shown in Figure 3, the course of work for the protective device of ball mill comprises the following steps:
S101, judges whether the temperature whether temperature of the first ball grinder bush is more than or equal to 60 DEG C or the second ball grinder bush is more than or equal to 60 DEG C.If so, step S102 is performed; If not, step S103 is performed.
S102, stop of ball grinder, indicator light is bright, and buzzer is sounded a buzzer.
S103, judges ball mill whether orderly closedown.If so, step S104 is performed; If not, return step S101, continue to judge.
S104, stop of ball grinder.
According to an embodiment of the present utility model, as shown in Figure 4, first electrical pickoff thermometer 30 comprises the first ceiling temperature normally opened contact 2GL, second electrical pickoff thermometer 40 comprises the second ceiling temperature normally opened contact 3GL, wherein, when the temperature of the first ball grinder bush 10 is more than or equal to preset temperature, the first ceiling temperature normally opened contact 2GL closes; When the temperature of the second ball grinder bush 20 is more than or equal to preset temperature, the second ceiling temperature normally opened contact 3GL closes.
According to an embodiment of the present utility model; as shown in Figure 4; control unit 50 comprises the first relay 1ZJ; the normally-closed contact 1ZJ of the first relay is connected in the start and stop loop of motor M; connect with the coil 1ZJ of the first relay after first ceiling temperature normally opened contact 2GL and the second ceiling temperature normally opened contact 3GL parallel connection; wherein; when the first ceiling temperature normally opened contact 2GL is closed or the second ceiling temperature normally opened contact 3GL closes; the normally-closed contact 1ZJ of the first relay disconnects, to make motor M out of service.
Particularly, as shown in Figure 4, in the part control principle drawing of ball mill, LF is magnet exciting coil, and YJ is pressure switch, 1TA, 2TA, 1QA, 2QA, 1XA, 2XA, 1FA and 2FA are push-button switch, C is high voltage connector, 1HD, 2HD, 1LD, 2LD, 1UD and 2UD are indicator light, 1DD and 2DD is electric whistle, and QF is primary cut-out, 1KA is current relay, and 2ZJ is auxiliary relay.As can be seen from Figure 4, this control principle drawing not only can realize the on-site supervision of ball mill, but also can realize the remote monitoring of ball mill.
In ball mill running, when ball mill is because of ball grinder bush oil starvation, when ball grinder bush itself or axle have the reason such as wearing and tearing or friction heating and make the temperature of the first ball grinder bush 10 or the second ball grinder bush 20 be elevated to 60 DEG C, first ceiling temperature normally opened contact 2GL of the first corresponding electrical pickoff thermometer 30 closes, or the second ceiling temperature normally opened contact 3GL of the second electrical pickoff thermometer 40 closes, the coil 1ZJ of the first relay obtains electric, the normally-closed contact 1ZJ being connected on the first relay in the start and stop loop of motor disconnects, thus motor M power-off is shut down.Meanwhile, the normally opened contact 1ZJ of the first relay closes, and the indicator light 1UD at ball mill scene and the indicator light 2UD of control case far away is bright, and meanwhile, the electric whistle 1DD at ball mill scene and the electric whistle 2DD of control case far away rings, and makes respective handling in time to point out maintenance personal.
According to the protective device for ball mill of the present utility model, the temperature of the first ball grinder bush is detected by the first electrical pickoff thermometer, and the temperature of the second ball grinder bush is detected by the second electrical pickoff thermometer, when the temperature that the temperature of the first ball grinder bush is more than or equal to preset temperature and/or the second ball grinder bush is more than or equal to preset temperature, control unit is by controlling motor failure, thus the Real-Time Monitoring realized the temperature of ball grinder bush, and when the temperature of ball grinder bush rises to preset temperature autostop and sound and light alarm, maintenance personal is reminded to process in time, efficiently avoid because of ball grinder bush oil starvation, the ball grinder bush that ball grinder bush itself or the reason such as axle defectiveness or friction heating cause or the accidental shutdown that axle damages and causes, ensure that production safety is stablized, improve operation rate simultaneously, namely be converted into protectiveness by accident passive shutdown initiatively to shut down, ensure very first time process, available protecting Whole Equipment, avoid the extension of accident to cause larger economic loss and saved human cost.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalency thereof.
Claims (5)
1. the protective device for ball mill; it is characterized in that; described ball mill comprises motor, the first ball grinder bush and the second ball grinder bush, and described first ball grinder bush and described second ball grinder bush are separately positioned on the two ends of described motor, and described protective device comprises:
First electrical pickoff thermometer, described first electrical pickoff thermometer is arranged on described first ball grinder bush to detect the temperature of described first ball grinder bush;
Second electrical pickoff thermometer, described second electrical pickoff thermometer is arranged on described second ball grinder bush to detect the temperature of described second ball grinder bush;
Control unit; described control unit is connected with described second electrical pickoff thermometer with described motor, described first electrical pickoff thermometer respectively; wherein; when the temperature that the temperature of described first ball grinder bush is more than or equal to preset temperature and/or described second ball grinder bush is more than or equal to described preset temperature, described control unit is by controlling described motor failure.
2. as claimed in claim 1 for the protective device of ball mill, it is characterized in that, described first electrical pickoff thermometer comprises the first ceiling temperature normally opened contact, described second electrical pickoff thermometer comprises the second ceiling temperature normally opened contact, wherein, when the temperature of described first ball grinder bush is more than or equal to described preset temperature, described first ceiling temperature normally opened contact closes; When the temperature of described second ball grinder bush is more than or equal to described preset temperature, described second ceiling temperature normally opened contact closes.
3., as claimed in claim 2 for the protective device of ball mill, it is characterized in that, described control unit comprises:
First relay; the normally-closed contact of described first relay is connected in the start and stop loop of described motor; with the coils connected in series of described first relay after described first ceiling temperature normally opened contact and described second ceiling temperature normally opened contact parallel connection; wherein; when described first ceiling temperature normally opened contact is closed or described second ceiling temperature normally opened contact closes; the normally-closed contact of described first relay disconnects, to make described motor out of service.
4., as claimed in claim 1 for the protective device of ball mill, it is characterized in that, also comprise:
Alarm unit, described alarm unit is connected with described control unit, and when described control unit is by controlling described motor failure, described alarm unit sends alarm.
5., as claimed in claim 4 for the protective device of ball mill, it is characterized in that, described alarm unit comprises indicator light and/or buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520458713.2U CN204835484U (en) | 2015-06-30 | 2015-06-30 | A protection device for ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520458713.2U CN204835484U (en) | 2015-06-30 | 2015-06-30 | A protection device for ball mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204835484U true CN204835484U (en) | 2015-12-02 |
Family
ID=54693043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520458713.2U Active CN204835484U (en) | 2015-06-30 | 2015-06-30 | A protection device for ball mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204835484U (en) |
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2015
- 2015-06-30 CN CN201520458713.2U patent/CN204835484U/en active Active
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| GR01 | Patent grant |