CN203997818U - Band conveyor on-load transmission automatic exchanger - Google Patents
Band conveyor on-load transmission automatic exchanger Download PDFInfo
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- CN203997818U CN203997818U CN201420430202.5U CN201420430202U CN203997818U CN 203997818 U CN203997818 U CN 203997818U CN 201420430202 U CN201420430202 U CN 201420430202U CN 203997818 U CN203997818 U CN 203997818U
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Abstract
The utility model provides a kind of band conveyor on-load transmission automatic exchanger, belong to band conveyor emergency facility field, comprise band conveyor and main driving motor, main driving motor is connected to transmission shaft one end of band conveyor, the transmission shaft other end is connected to the rotating shaft of transmission system one end by free-wheel clutch, the rotating shaft of the transmission system other end is connected to auxiliary drive motor by free-wheel clutch, be provided with current sensing means, the power end of main driving motor and auxiliary drive motor is connected to power supply by current sensing means, in the time of can preventing that main driving motor from having material on belt, cause instantaneous current excessive and burn.
Description
Technical field
The utility model provides a kind of band conveyor on-load transmission automatic exchanger, belongs to band conveyor emergency facility field.
Background technology
Ore dressing plant travelling belt often there will be the position deviation of belt or transports the problem that is mingled with iron block in material; in order to prevent preventing from scratching belt after above two kinds of situations from occurring; often staff can take emergency stop mechanism to play the effect of protection; like this; while again starting band conveyor; can be because still there is material on belt; material on belt has not been carried completely; occur that on-load drives the situation of band conveyor; very easily cause electrical equipment overload to start, cause instantaneous current excessive and damage.
Utility model content
The utility model object is to provide a kind of band conveyor on-load transmission automatic exchanger, in the time of can preventing that main driving motor from having material on belt, causes instantaneous current excessive and burn.
Band conveyor on-load transmission automatic exchanger described in the utility model, comprise band conveyor and main driving motor, main driving motor is connected to transmission shaft one end of band conveyor, the transmission shaft other end is connected to the rotating shaft of transmission system one end by free-wheel clutch, the rotating shaft of the transmission system other end is connected to auxiliary drive motor by free-wheel clutch, be provided with current sensing means, the power end of main driving motor and auxiliary drive motor is connected to power supply by current sensing means.
Described band conveyor on-load transmission automatic exchanger, under band conveyor normal working, by main driving motor, drive forward, carry out transported material, and after meeting emergency situation, operating personal adopts sudden stop, main driving motor stall, after the problem that operating personal is finished dealing with on band conveyor, can reopen main driving motor, but the material on belt makes main driving motor starting under load, can cause its instantaneous current very large, when the electric current that current sensing means detects main driving motor surpasses safety value, can cut off the power supply of main driving motor, make main driving motor stall, then the free-wheel clutch between staff's manual closing band conveyor and transmission system, make driving ratchet and the engagement of driven ratchet of free-wheel clutch, after driving ratchet and driven ratchet mesh completely, current sensing means can be controlled auxiliary drive motor and start, auxiliary drive motor drives the transmission shaft of band conveyor to reverse by transmission system, band conveyor is all drained the material on it, operating personal observe material on band conveyor drain clean after, press the corresponding button, auxiliary drive motor can shut down in power-off, simultaneously, main driving motor starts, drive band conveyor transmission shaft forward, because coordinate transmission system to drive band conveyor transmission shaft direction of rotation with auxiliary drive motor, so can make the driving ratchet of free-wheel clutch and driven ratchet separate, avoid hindering the normal operation of transmission shaft, so just avoided the running of main driving motor on-load, cause instantaneous current excessive and cause burning main driving motor, what hinder one's work normally carries out.
Described band conveyor on-load transmission automatic exchanger, current sensing means comprises relay A, relay B, current detector, switch A and switch B, coil one end of relay A is connected to power supply one end by the open contact of current detector test side and relay A and the normally closed contact of relay B respectively, the coil other end of relay A is connected to the power supply other end, the coil of relay B and switch B are connected on both ends of power, switch A, the normally closed contact of relay A and main driving motor power end are connected on both ends of power, another open contact of auxiliary drive motor power end and relay A is connected on both ends of power, current measurement table measuring junction is connected between main driving motor power end and power supply.
Described band conveyor on-load transmission automatic exchanger, free-wheel clutch between transmission shaft and transmission system rotating shaft comprises driving ratchet and driven ratchet, on driving ratchet and driven ratchet, be equipped with contact, two ends, contact are connected between auxiliary drive motor power end and another open contact of relay A.
Described band conveyor on-load transmission automatic exchanger, current detector comprises amperemeter/ammtr, and amperemeter/ammtr is provided with metal rotating shaft and pointer, and amperemeter/ammtr dial plate is provided with metallic contact, and metallic contact and metal rotating shaft are connected respectively to the test side of current detector.
Described band conveyor on-load transmission automatic exchanger, band conveyor is after stopping and having repaired, press switch A, main driving motor and power supply form path, main driving motor starts, now, current detector can be measured the electric current of main driving motor, if the current value of main driving motor surpasses safety value, metal rotating shaft contacts with metallic contact by pointer, two of current detector test side conductings, after the conducting of test side, the coil of relay A obtains electric, another open contact of the open contact of relay A and relay A is closed, the normally closed contact of relay A disconnects, at this moment because the open contact of relay A is closed, the coil of relay A can keep energising, the power supply of main driving motor can keep because the normally closed contact of relay A disconnects power-off, another open contact of relay A can remain closed, under this state, during free-wheel clutch between the closed transmission shaft of operating personal and transmission system rotating shaft, two free-wheel clutch contact contacts, make auxiliary drive motor obtain electric startup, auxiliary drive motor drives band conveyor transmission shaft to reverse by transmission system, material is drained, operating personal observe material drain clean after, press switch B, the coil of relay B can obtain electric, the normally closed contact of relay B can disconnect, make the coil losing electricity of relay A, after the coil losing electricity of relay A, the open contact of relay A, another open contact of relay A and the normally closed contact of relay A all playback, by main driving motor, drive transmission shaft normal rotation, avoided main driving motor starting under load, larger instantaneous current is burnt main driving motor.
Described band conveyor on-load transmission automatic exchanger, transmission system is reductor.Reductor cost is lower, and easy to maintenance, very reliable, has guaranteed reliability of the present utility model.
The utility model compared with prior art beneficial effect is:
Described band conveyor on-load transmission automatic exchanger, under band conveyor normal working, by main driving motor, drive forward, carry out transported material, and after meeting emergency situation, operating personal adopts sudden stop, main driving motor stall, after the problem that operating personal is finished dealing with on band conveyor, can reopen main driving motor, but the material on belt makes main driving motor starting under load, can cause its instantaneous current very large, when the electric current that current sensing means detects main driving motor surpasses safety value, can cut off the power supply of main driving motor, make main driving motor stall, then the free-wheel clutch between staff's manual closing band conveyor and transmission system, make driving ratchet and the engagement of driven ratchet of free-wheel clutch, after driving ratchet and driven ratchet mesh completely, current sensing means can be controlled auxiliary drive motor and start, auxiliary drive motor drives the transmission shaft of band conveyor to reverse by transmission system, band conveyor is all drained the material on it, operating personal observe material on band conveyor drain clean after, press the corresponding button, auxiliary drive motor can shut down in power-off, simultaneously, main driving motor starts, drive band conveyor transmission shaft forward, because coordinate transmission system to drive band conveyor transmission shaft direction of rotation with auxiliary drive motor, so can make the driving ratchet of free-wheel clutch and driven ratchet separate, avoid hindering the normal operation of transmission shaft, so just avoided the running of main driving motor on-load, cause instantaneous current excessive and cause burning main driving motor, what hinder one's work normally carries out.
Described band conveyor on-load transmission automatic exchanger, band conveyor is after stopping and having repaired, press switch A, main driving motor and power supply form path, main driving motor starts, now, current detector can be measured the electric current of main driving motor, if the current value of main driving motor surpasses safety value, metal rotating shaft contacts with metallic contact by pointer, two of current detector test side conductings, after the conducting of test side, the coil of relay A obtains electric, another open contact of the open contact of relay A and relay A is closed, the normally closed contact of relay A disconnects, at this moment because the open contact of relay A is closed, the coil of relay A can keep energising, the power supply of main driving motor can keep because the normally closed contact of relay A disconnects power-off, another open contact of relay A can remain closed, under this state, during free-wheel clutch between the closed transmission shaft of operating personal and transmission system rotating shaft, two free-wheel clutch contact contacts, make auxiliary drive motor obtain electric startup, auxiliary drive motor drives band conveyor transmission shaft to reverse by transmission system, material is drained, operating personal observe material drain clean after, press switch B, the coil of relay B can obtain electric, the normally closed contact of relay B can disconnect, make the coil losing electricity of relay A, after the coil losing electricity of relay A, the open contact of relay A, another open contact of relay A and the normally closed contact of relay A all playback, by main driving motor, drive transmission shaft normal rotation, avoided main driving motor starting under load, larger instantaneous current is burnt main driving motor.
Described transmission system, reductor cost is lower, and easy to maintenance, very reliable, has guaranteed reliability of the present utility model.
Accompanying drawing explanation
Fig. 1 is the utility model example structure schematic diagram;
Fig. 2 is the utility model electrical schematic diagram
In figure: 1, band conveyor; 2, main driving motor; 3, transmission shaft; 4, free-wheel clutch; 5, transmission system; 6, auxiliary drive motor; 7, current sensing means; 8, current detector; 9, switch A; 10, switch B; 11, the coil of relay A; 12, the normally closed contact of relay A; 13, the coil of relay B; 14, the open contact of relay A; 15, metallic contact; 16, the normally closed contact of relay B; 17, another open contact of relay A; 18, amperemeter/ammtr; 19, metal rotating shaft; 20, pointer; 21, dial plate; 22, contact.
The specific embodiment
Below in conjunction with the utility model, the utility model embodiment is described further:
Embodiment 1: as shown in Figure 1, band conveyor on-load transmission automatic exchanger described in the utility model, comprise band conveyor 1 and main driving motor 2, main driving motor 2 is connected to transmission shaft 3 one end of band conveyor 1, transmission shaft 3 other ends are connected to transmission system 5 one end rotating shafts by free-wheel clutch 4, transmission system 5 other end rotating shafts are connected to auxiliary drive motor 6 by free-wheel clutch 4, be provided with current sensing means 7, main driving motor 2 is connected to power supply with the power end of auxiliary drive motor 6 by current sensing means 7.
Embodiment 2: on the architecture basics described in embodiment 1, current sensing means 7 comprises relay A as shown in Figure 2, relay B, current detector 8, switch A9 and switch B10, coil 11 one end of relay A are connected to power supply one end by the open contact 14 of current detector 8 test sides and relay A and the normally closed contact 16 of relay B respectively, coil 11 other ends of relay A are connected to the power supply other end, coil 13 and the switch B10 of relay B are connected on both ends of power, switch A9, the normally closed contact 12 of relay A and main driving motor 2 power ends are connected on both ends of power, another open contact 17 of auxiliary drive motor 6 power ends and relay A is connected on both ends of power, current detector 8 measuring junctions are connected to main driving motor 2 power ends, current detector 8 comprises amperemeter/ammtr 18, amperemeter/ammtr 18 is provided with metal rotating shaft 19 and pointer 20, amperemeter/ammtr 18 dial plates 21 are provided with metallic contact 15, metallic contact 15 and metal rotating shaft 19 are connected respectively to the test side of current detector 8, free-wheel clutch 4 between transmission shaft 3 and transmission system 5 rotating shafts comprises driving ratchet and driven ratchet, on driving ratchet and driven ratchet, be equipped with contact, 22 two ends, contact are connected between another open contact 17 of auxiliary drive motor 6 power ends and relay A.
Embodiment 3: on the architecture basics described in embodiment 2, transmission system 5 is reductor.
Control step and principle of work:
Described band conveyor on-load transmission automatic exchanger, under band conveyor 1 normal working, by main driving motor 2, drive forward, carry out transported material, and after meeting emergency situation, operating personal adopts sudden stop, main driving motor 2 stalls, after the problem that operating personal is finished dealing with on band conveyor 1, can reopen main driving motor 2, but the material on belt makes main driving motor 2 starting under load, can cause its instantaneous current very large, when the electric current that current sensing means 7 detects main driving motor 2 surpasses safety value, can cut off the power supply of main driving motor 2, make main driving motor 2 stalls, then the free-wheel clutch 4 between staff's manual closing band conveyor 1 and transmission system 5, make driving ratchet and the engagement of driven ratchet of free-wheel clutch 4, after driving ratchet and driven ratchet mesh completely, current sensing means 7 can be controlled auxiliary drive motor 6 and start, auxiliary drive motor 6 drives transmission shaft 3 reversions of band conveyor 1 by transmission system 5, band conveyor 1 is all drained the material on it, operating personal the material of observing on band conveyor 1 drain clean after, press the corresponding button, auxiliary drive motor 6 can shut down in power-off, simultaneously, main driving motor 2 starts, drive band conveyor 1 transmission shaft 3 forwards, because coordinate transmission system 5 to drive band conveyor 1 transmission shaft 3 direction of rotation with auxiliary drive motor 6, so can make the driving ratchet of free-wheel clutch 4 and driven ratchet separate, avoid hindering the normal operation of transmission shaft 3, main driving motor 2 on-load runnings have so just been avoided, cause instantaneous current excessive and cause burning main driving motor 2, what hinder one's work normally carries out.
Described band conveyor on-load transmission automatic exchanger, band conveyor 1 is after stopping and having repaired, press switch A9, main driving motor 2 forms path with power supply, main driving motor 2 starts, now, current detector 8 can be measured the electric current of main driving motor 2, if the current value of main driving motor 2 surpasses safety value, metal rotating shaft 19 contacts with metallic contact 15 by pointer 20, two of current detector 8 test side conductings, after the conducting of test side, the coil 11 of relay A obtains electric, another open contact 17 closures of the open contact 14 of relay A and relay A, the normally closed contact 12 of relay A disconnects, at this moment due to open contact 14 closures of relay A, the coil 11 of relay A can keep energising, the power supply of main driving motor 2 can keep because the normally closed contact of relay A 12 disconnects power-off, another open contact 17 of relay A can remain closed, under this state, during free-wheel clutch 4 between the closed transmission shaft 3 of operating personal and transmission system 5 rotating shafts, two free-wheel clutch 4 contact contacts, make auxiliary drive motor 6 obtain electric startup, auxiliary drive motor 6 drives band conveyor 1 transmission shaft 3 reversions by transmission system 5, material is drained, operating personal observe material drain clean after, press switch B10, the coil 13 of relay B can obtain electric, the normally closed contact 16 of relay B can disconnect, make coil 11 dead electricity of relay A, after coil 11 dead electricity of relay A, the open contact 14 of relay A, another open contact 17 of relay A and the normally closed contact 12 of relay A all playback, by main driving motor 2, drive transmission shaft 3 normal rotation, main driving motor 2 starting under load have been avoided, larger instantaneous current is burnt main driving motor 2.
Claims (5)
1. a band conveyor on-load transmission automatic exchanger, comprise band conveyor (1) and main driving motor (2), main driving motor (2) is connected to transmission shaft (3) one end of band conveyor (1), it is characterized in that, transmission shaft (3) other end is connected to transmission system (5) one end rotating shaft by free-wheel clutch (4), transmission system (5) other end rotating shaft is connected to auxiliary drive motor (6) by free-wheel clutch (4), be provided with current sensing means (7), main driving motor (2) is connected to power supply with the power end of auxiliary drive motor (6) by current sensing means (7).
2. band conveyor on-load transmission automatic exchanger according to claim 1, it is characterized in that, current sensing means (7) comprises relay A, relay B, current detector (8), switch A (9) and switch B (10), the coil of relay A (11) one end is connected to power supply one end by the open contact (14) of current detector (8) test side and relay A and the normally closed contact (16) of relay B respectively, the coil of relay A (11) other end is connected to the power supply other end, the coil of relay B (13) is connected on both ends of power with switch B (10), switch A (9), the normally closed contact of relay A (12) and main driving motor (2) power end are connected on both ends of power, another open contact (17) of auxiliary drive motor (6) power end and relay A is connected on both ends of power, current measurement table measuring junction is connected between main driving motor (2) power end and power supply.
3. band conveyor on-load transmission automatic exchanger according to claim 2, it is characterized in that, free-wheel clutch (4) between transmission shaft (3) and transmission system (5) rotating shaft comprises driving ratchet and driven ratchet, on driving ratchet and driven ratchet, be equipped with contact (22), two ends, contact (22) are connected between another open contact (17) of auxiliary drive motor (6) power end and relay A.
4. band conveyor on-load transmission automatic exchanger according to claim 3, it is characterized in that, current detector (8) comprises amperemeter/ammtr (18), amperemeter/ammtr (18) is provided with metal rotating shaft (19) and pointer (20), amperemeter/ammtr (18) dial plate (21) is provided with metallic contact (15), and metallic contact (15) and metal rotating shaft (19) are connected respectively to the test side of current detector (8).
5. band conveyor on-load transmission automatic exchanger according to claim 4, is characterized in that, transmission system (5) is reductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420430202.5U CN203997818U (en) | 2014-07-31 | 2014-07-31 | Band conveyor on-load transmission automatic exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420430202.5U CN203997818U (en) | 2014-07-31 | 2014-07-31 | Band conveyor on-load transmission automatic exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203997818U true CN203997818U (en) | 2014-12-10 |
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ID=52037852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420430202.5U Expired - Fee Related CN203997818U (en) | 2014-07-31 | 2014-07-31 | Band conveyor on-load transmission automatic exchanger |
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| Country | Link |
|---|---|
| CN (1) | CN203997818U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104118692A (en) * | 2014-07-31 | 2014-10-29 | 山东华联矿业股份有限公司 | Belt conveyor on-load drive automatic transfer device |
| CN110093671A (en) * | 2019-05-22 | 2019-08-06 | 神马实业股份有限公司 | Failure automatic switchover system and method between failure automatic switchover system, oil tanker section |
| CN112141626A (en) * | 2020-11-09 | 2020-12-29 | 禹州市鼎丰工矿机械有限公司 | Mine belt conveyor capable of self-cleaning and dedusting and using method thereof |
-
2014
- 2014-07-31 CN CN201420430202.5U patent/CN203997818U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104118692A (en) * | 2014-07-31 | 2014-10-29 | 山东华联矿业股份有限公司 | Belt conveyor on-load drive automatic transfer device |
| CN110093671A (en) * | 2019-05-22 | 2019-08-06 | 神马实业股份有限公司 | Failure automatic switchover system and method between failure automatic switchover system, oil tanker section |
| CN112141626A (en) * | 2020-11-09 | 2020-12-29 | 禹州市鼎丰工矿机械有限公司 | Mine belt conveyor capable of self-cleaning and dedusting and using method thereof |
| CN112141626B (en) * | 2020-11-09 | 2024-04-19 | 禹州市鼎丰工矿机械有限公司 | Mine belt conveyor capable of self-cleaning and dust removal and use method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20160731 |