CN202575327U - Chain monitoring device of scraper conveyer - Google Patents
Chain monitoring device of scraper conveyer Download PDFInfo
- Publication number
- CN202575327U CN202575327U CN 201220203900 CN201220203900U CN202575327U CN 202575327 U CN202575327 U CN 202575327U CN 201220203900 CN201220203900 CN 201220203900 CN 201220203900 U CN201220203900 U CN 201220203900U CN 202575327 U CN202575327 U CN 202575327U
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- hall switch
- chain
- spring plate
- signal
- monitoring device
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Abstract
The utility model discloses a chain monitoring device of a scraper conveyer and relates to the technical field of mechatronics. The chain monitoring device of the scraper conveyer is applicable to underground coal mines and comprises a control cabinet and a signal acquisition device, and the signal acquisition device comprises springs, bolts, a steel magnet, a Hall switch, a projection, a spring plate and a Hall switch frame, wherein the spring plate of the signal acquisition device is assembled on the outer side face of a ledge of an upper chain way of a tail elevated chute or a lower chain way of a head elevated chute through the bolts, the projection and the steel magnet are fixed in the middles of two sides of the spring plate respectively, one end of the L-shaped Hall switch frame is fixed on the outer side face of the ledge of the upper chain way of the tail elevated chute or the lower chain way of the head elevated chute, and the Hall switch is assembled at the other end of the Hall switch frame and corresponds to the steel magnet to form a signal monitoring switch. The chain monitoring device of the scraper conveyer is safe, reliable and capable of monitoring chain failure timely and giving out warning signals.
Description
Technical field
The utility model relates to a kind of coal mine lower scraping plate conveyer and uses electromechanical integrated device, specifically a kind of scraper conveyer chain monitoring device.
Background technology
Slat conveyer is the fortune coal equipment under the coal mine, and chain drive scraper plate moves to be transferred to the coal on the scraper plate machine chute on the belt, and the chain fault will directly influence the normal operation of slat conveyer.The chain fault mainly is chain jamming and chain rupture, if chain breaks down, coal can not normally be transferred to belt, and coalcutter does not receive the chain breakdown signal, still continues to mine, and will cause the coal piling accident, has increased the operational difficulties of field man.
Summary of the invention
The purpose of the utility model is a kind of scraper conveyer chain detecting device of design, can in time find chain fault and reporting to the police, to address the above problem.
The technical scheme of the utility model is: comprise control box, control box is installed on the slat conveyer reduction case, also comprises signal pickup assembly, and signal pickup assembly is connected through control cable with control box; Signal pickup assembly includes spring, bolt, magnet steel, Hall switch, projection, spring plate and Hall switch frame; Spring plate is raised the ledge lateral surface in groove cochain road or is assemblied in the ledge lateral surface that head is raised chain road under the groove at tail through bolts assemblies; Spring housing is contained on the bolt, is positioned between spring plate and the bolt; Projection and magnet steel are separately fixed at the midway location of spring plate both sides; The Hall switch frame is the L type, and an end is fixed on tail and raises the ledge lateral surface in groove cochain road or the ledge lateral surface that head is raised chain road under the groove, and the other end is equipped with Hall switch, and Hall switch is corresponding with magnet steel; Hall switch and magnet steel are formed the signal monitoring switch.
The utility model is simple in structure, and is safe and reliable, can in time monitor out the chain fault, sends alerting signal, significantly reduced the generation of coal piling accident.
Below in conjunction with accompanying drawing and specific embodiments the utility model is done further explain.
Description of drawings
Fig. 1 is the structural representation of scraper conveyer chain detecting device;
Fig. 2 is the control circuit figure of the utility model.
Among the figure: 1, tail is raised groove cochain road, and 2, spring, 3, bolt, 4, magnet steel, 5, Hall switch, 6, projection, 7, spring plate, 8, the Hall switch frame.
The specific embodiment
Embodiment 1
By shown in Figure 1, the utility model scraper conveyer chain monitoring device comprises control box, and control box is installed on the slat conveyer reduction case, and signal pickup assembly is connected through control cable with control box; Signal pickup assembly includes spring 2, bolt 3, magnet steel 4, Hall switch 5, projection 6, spring plate 7 and Hall switch frame 8; Spring plate 7 is assemblied in tail through bolt 3 and raises the ledge lateral surface in groove cochain road 1 or be assemblied in the ledge lateral surface that head is raised chain road under the groove, and spring 2 is sleeved on the bolt 3, is positioned between spring plate 7 and the bolt 3, is used for spring plate and resets; Projection 6 and magnet steel 4 are separately fixed at the midway location of spring plate 7 both sides; Hall switch frame 8 is the L type, and an end is fixed on the ledge lateral surface that tail is raised groove cochain road 1, be positioned at spring plate 7 below, or be assemblied in the ledge lateral surface that head is raised chain road under the groove; The other end is equipped with Hall switch 5, and the position of Hall switch 5 is corresponding with magnet steel 4; Hall switch 5 is formed the signal monitoring switch with magnet steel 4.The signal monitoring switch is given the control circuit in the control box with the chain run signal that monitors.
The working process of the utility model is following:
When chain drive scraper plate moves forward through projection; Scraper plate promotes projection 6; Projection 6 and spring plate 7 move; The magnet steel and the distance between the Hall switch 5 that are fixed on the spring plate 7 reduce, and when distance was reduced in the monitoring range of Hall switch 5, Hall switch 5 sent signal and sends control circuit to.Because every separated same distance just has a scraper plate on the chain, chain keeps normal chain speed to move forward, and control circuit is every will receive signal at a distance from the identical time; When control circuit monitors time of fire alarming that Hall switch surpass to set when not having signal to send; Then export the chain failure alarm signal, remind field man maintenance chain, and can communicate by letter with coalcutter through the RS485 bus; To coalcutter transmission chain breakdown signal, coalcutter can stop to mine.
Fig. 2 is the control circuit figure of the utility model.Control circuit adopts the monitoring of ATMEGA16 chip microcontroller scraper conveyer chain, and control circuit mainly comprises signal acquisition circuit, warning circuit, communicating circuit, crystal oscillating circuit, liquid crystal display circuit, system debug interface circuit and micro controller system.Described signal acquisition circuit is made up of photoelectrical coupler U1,12 digit counter U2, eight bidirectional bus transceiver U3 and U4, resistance R 1 and R2; Described warning circuit is made up of photoelectrical coupler U8, resistance R 12 and R13; Described communicating circuit is made up of RS485 transceiver U5, photoelectrical coupler U6, resistance R 3, R4, R5, R6, R7, R8, R9 and R10; Described crystal oscillating circuit is made up of crystal oscillator Y, capacitor C 1, C2 and C3; Described liquid crystal display circuit is made up of Liquid Crystal Display (LCD), resistance R 11 and potential device VR1; Described system debug interface circuit is made up of resistance row RP and JTAG artificial mouth.
Described micro controller system adopts ATmega16 to be based on 8 CMOS microcontrollers of low-power consumption of the AVR risc architecture of enhancing, has non-volatile program and data memory, and electrification reset and programmable detection of power loss are arranged.The advanced instruction set of AVR kernel and single clock cycle instruction execution time, improved the speed of processing data, reduced losing of Hall switch signal, improved the reliability of system works greatly.
RS485 transceiver in the said communicating circuit is the low-power consumption transceiver that is used for RS485 communication, and its built-in limited pendulum rate actuator can reduce EMI, and reduces the reflection that is caused by inappropriate terminal coupling cable, realizes the error-free data transmission.
The model of photoelectrical coupler is TLP521 in the said above circuit; Photoelectrical coupler TLP521 isolating exterior circuit and single chip circuit; Make external circuit and single chip circuit not have electrical link; Prevent of the infringement of exterior high-current equipment, improved the stability and the antijamming capability of control box internal control circuit single chip circuit.
The circuit working principle: the signal acquisition circuit collection is from the signal of Hall switch; Giving micro controller system the signal that collects handles; Micro controller system judges according to the signal that collects whether chain is normal, if the signal that collects continuously then the chain operation is normal, if the time of fire alarming collection that surpasses setting is less than signal; Then think the chain fault; Just through the warning circuit output alarm signal, can pass through RS485 interface and coalcutter communication simultaneously, the chain monitoring device can be given coalcutter the real time execution signal of chain through the RS485 interface.
Should be pointed out that the above detailed description of the technical scheme of the utility model being carried out by preferred embodiment is schematic and nonrestrictive.Those of ordinary skill in the art can make amendment to the technical scheme of being put down in writing on the basis of reading the utility model specification sheets; Perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement; Conversion installation site and quantity etc. all should drop within the protection domain of the utility model.
Claims (1)
1. a scraper conveyer chain monitoring device comprises control box, and control box is installed on the slat conveyer reduction case, it is characterized in that: also comprise signal pickup assembly, signal pickup assembly is connected through control cable with control box; Signal pickup assembly includes spring (2), bolt (3), magnet steel (4), Hall switch (5), projection (6), spring plate (7) and Hall switch frame (8); Spring plate (7) is assemblied in tail through bolt (3) and raises the ledge lateral surface in groove cochain road (1) or be assemblied in the ledge lateral surface that head is raised chain road under the groove; Spring (2) is sleeved on the bolt (3), is positioned between spring plate (7) and the bolt (3); Projection (6) and magnet steel (4) are separately fixed at the midway location of spring plate (7) both sides; Hall switch frame (8) is the L type, and an end is fixed on tail and raises the ledge lateral surface in groove cochain road (1) or the ledge lateral surface that head is raised chain road under the groove, and the other end is equipped with Hall switch (5), and Hall switch (5) is corresponding with magnet steel (4); Hall switch (5) and magnet steel (4) are formed the signal monitoring switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220203900 CN202575327U (en) | 2012-04-30 | 2012-04-30 | Chain monitoring device of scraper conveyer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220203900 CN202575327U (en) | 2012-04-30 | 2012-04-30 | Chain monitoring device of scraper conveyer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202575327U true CN202575327U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220203900 Expired - Lifetime CN202575327U (en) | 2012-04-30 | 2012-04-30 | Chain monitoring device of scraper conveyer |
Country Status (1)
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| CN (1) | CN202575327U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104609135A (en) * | 2014-12-30 | 2015-05-13 | 辽宁工程技术大学 | Chain fault monitoring device for scraper conveyer |
| CN104925481A (en) * | 2015-06-18 | 2015-09-23 | 辽宁工程技术大学 | Tension detection device used when chain of scraper conveyer is blocked |
| CN106315161A (en) * | 2016-09-12 | 2017-01-11 | 周杰 | Chain breaking alarming device of scraper conveyor |
| CN106984073A (en) * | 2017-05-15 | 2017-07-28 | 上海城投污水处理有限公司 | Nonmetallic chain-type mud scraper failure detector |
-
2012
- 2012-04-30 CN CN 201220203900 patent/CN202575327U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104609135A (en) * | 2014-12-30 | 2015-05-13 | 辽宁工程技术大学 | Chain fault monitoring device for scraper conveyer |
| CN104925481A (en) * | 2015-06-18 | 2015-09-23 | 辽宁工程技术大学 | Tension detection device used when chain of scraper conveyer is blocked |
| CN104925481B (en) * | 2015-06-18 | 2017-02-01 | 辽宁工程技术大学 | Tension detection device used when chain of scraper conveyer is blocked |
| CN106315161A (en) * | 2016-09-12 | 2017-01-11 | 周杰 | Chain breaking alarming device of scraper conveyor |
| CN106984073A (en) * | 2017-05-15 | 2017-07-28 | 上海城投污水处理有限公司 | Nonmetallic chain-type mud scraper failure detector |
| CN106984073B (en) * | 2017-05-15 | 2022-08-05 | 上海城投污水处理有限公司 | Fault detection device for nonmetal chain type mud scraper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhangjiakou Hengyang Electrical Appliances Co., Ltd. Assignor: China Coal Zhangjiakou Coal Mining Machinery Co., Ltd. Contract record no.: 2014990000512 Denomination of utility model: Chain monitoring device of scraper conveyer Granted publication date: 20121205 License type: Exclusive License Record date: 20140711 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |
|
| CX01 | Expiry of patent term |