CN2118306U - Automatic powder level measuring and alarming instrument for powder bin - Google Patents
Automatic powder level measuring and alarming instrument for powder bin Download PDFInfo
- Publication number
- CN2118306U CN2118306U CN 92202257 CN92202257U CN2118306U CN 2118306 U CN2118306 U CN 2118306U CN 92202257 CN92202257 CN 92202257 CN 92202257 U CN92202257 U CN 92202257U CN 2118306 U CN2118306 U CN 2118306U
- Authority
- CN
- China
- Prior art keywords
- powder
- level measuring
- wire rope
- pair
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000843 powder Substances 0.000 title claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 238000005259 measurement Methods 0.000 claims abstract description 13
- 230000008859 change Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000008602 contraction Effects 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 239000004482 other powder Substances 0.000 abstract 1
- 238000011179 visual inspection Methods 0.000 abstract 1
- 230000007246 mechanism Effects 0.000 description 3
- 229910002114 biscuit porcelain Inorganic materials 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000001955 cumulated effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
Images
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model provides a device which can automatically measure the height of powder level in a powder bin and can give an alarm in time when the bin is full of powder. At present, most power plants in China still adopt an original hand-operated powder bin powder level measuring instrument, and the original hand-operated powder bin powder level measuring instrument cannot automatically measure and alarm, and the judgment of the powder level by visual inspection of a steel wire rope is extremely inaccurate, so that great difficulty is brought to the production control of the power plants. The utility model discloses an improve current device. The hand wheel is removed, the motor and speed-changing gear transmission device are used to rotate the drum to visually display the powder level state, and an elastic switch box is arranged on the steel wire rope, two springs are arranged in the elastic switch box, and the measuring and alarming circuit is automatically controlled by utilizing the contraction and expansion of the springs. The device solves the problem of the old and difficult problems of coal-fired power plants, is also suitable for measuring the powder level of other powder bins, has the advantages of scientific and reasonable design, simple structure, easy manufacture, reliable and safe technology, accurate measurement, timely alarm, no need of maintenance after long-term use, and is an ideal new product.
Description
The utility model provides a kind of device that can measure powder position height in the powder storehouse automatically and can in time report to the police when buying securities with all one's capital, and it is applicable in the powder storehouse of other industries such as electric system Pulverized Coal Bin and cement and uses.
At present, the most of power plant of China adopt hand-rail type powder storehouse powder position measurement mechanism, it is to rotate a cylinder that is fixed on the supporting base with hand a wheel, be wound with the securing wire rope of an end on the cylinder, the wire rope other end hangs a weight, utilize weight to fall to bisque and stop to estimate the measurement of length of steel wire rope realization the powder position, the device of this original backwardness needs heavy manual execute-in-place, promptly can not measure timely and accurately, can not buy securities with all one's capital to powder again and do control in time and give powder, it is full and the people does not know that the storehouse often takes place, thereby influence the burning efficiency of boiler greatly, directly have influence on generating, minority power plant has introduced external " ultrasound wave powder storehouse powder position measuring instrument ", as Jiujiang City power plant, utilizes ultrasound wave to measure, but still exist the inaccurate problem of measuring, mainly still influenced ordinary production because of safeguarding.Indivedual factories are still arranged, adopt a tall and big support is imbedded in the coal dust heap, the support weight mode of hanging oneself is carried out machinery control and is realized measuring the powder position by the measuring steel wire rope, though this way can accurately be measured, equipment is heavy and trouble is installed, and developed countries power plant generally adopts high electronic technology control, because apparatus expensive, technical difficulty are big, can't carry out using in China, therefore, till settled the present, do not find a kind of energy to be fit to the powder storehouse powder position measurement mechanism of the satisfaction of national conditions.
The purpose of this utility model is at the coal-burning power plant powder storehouse powder position to be measured existing problems, provide unique novel, the design science of a kind of design rationally, can in stove control chamber, control and intuitively show the variation of powder position automatically and make measurement and pre-alarm in time exactly, and complete machine structure is simple, make easy, flexibly easy to install and do not need maintaining, thereby solve coal-burning power plant's one hard nut to crack.
This practical design concept is: improve real hand-rail type powder storehouse powder position measurement mechanism, keep base, supporting base, cylinder, wire rope and weight, changing hand the wheel is the drive unit that a cover is made up of motor, gear case etc., is used for the weight that rotary drum hangs wire rope evenly to fall, promote; And the cylinder another side connects a cover speed change gear, and it is made up of a pair of gear and worm and gear; The dial plate display device of one cover by electric node switch control is installed on the output shaft of speed change gear in addition; In addition, on wire rope, wear flexible member switch enclosure of knot, utilize contraction, the diastole of flexible member to control a measurement warning circuit automatically.So realize purpose of the present invention.
Particular content of the present utility model is such: a kind of level measuring and warning equipment for powder material storing bin, form by base 1, supporting base 2, cylinder 3 and wire rope 4 on the cylinder 3 and weight 5 etc., it is characterized in that: 1, on cylinder 3 one side shaft stamens, adorn a cover motor driver 5; 2, on another side shaft stamen of cylinder 3, adorn a cover speed change gear 7; 3, adorning an electric node switch 9 on the output shaft 8 of speed change gear 7 is connected with display dial 10; 4, on wire rope 4, wear flexible member switch enclosure 11 of knot and be used for automatic control survey warning circuit 12.
Introduce this device accompanying drawing below earlier, so that the utility model is described in further detail.
Fig. 1 is the full-automatic level measuring and warning equipment for powder material storing bin synoptic diagram.
Fig. 2 is this device flexible member switch enclosure 11 structural representations.
Above-mentioned motor driver 6 is made up of common electric machine 13, gear case 14 and clutch 15; And speed change gear 7 connects a pair of worm gear and worm screws 18 by clutch 16, a pair of spur gear 17 that is contained in clutch side 16 sides, and when cylinder changeed, the output shaft 8 that drives on the rotation of worm and gear speed change, the worm gear also rotated; Wherein electric node switch 9 is made up of a conduction pointer 19 and an insulcrete 20 fan-shaped or garden shape that is installed on the output shaft 8, and the place arranges tens fixing conductive contacts 21 on insulcrete 20 limits, when speed change gear 7 rotates with cylinder, conduction pointer 19 rotations on the output shaft 8, successively with insulcrete on conductive contact 21 connect, be reacted on the display dial 10, tell the powder storehouse powder position height intuitively; In the described flexible member switch enclosure 11 by three-ply plate 22 be fixed on upper and lower layer steel plate and pass two root posts 23 of middle layer steel plate, and around column between last, the middle level during outer and two is fixed on the spring 24 on the steel plate and is installed in, a pair of measurement on lower floor's steel plate returns contact 24 and a pair of Alarm contactor 25 compositions; Wire rope 4 wear respectively knot in flexible member switch enclosure 11, upper strata steel plate central authorities; Described measurement warning circuit 12 is made up of common relay road, batcher, measurement Returning switch, electric capacity, alarm switch, electric bell etc.
During work, press switch in stove control chamber, when motor was just changeing, cylinder just changeed, weight relies on own wt evenly to descend on the wire rope, held when dropping down onto bisque, during people can observe display dial and understand powder position situation; When being held by weight, wire rope is stressed to be reduced, and the spring in the flexible member switch enclosure shrinks and makes contacting measure warning circuit, and the timer action makes the motor counter-rotating again, and weight promotes; And weight is promoted to when drafting height when cylinder counter-rotating, dump, measure and finish; And,, making spring be stretched because of the stressed increase of wire rope when measuring during full storehouse with powder, alarm actuating contact is connected and is sent alerting signal, requires to stop the powder that supplies of pulverized coal preparation system, thereby has realized automatic control, has avoided the accident generation.
According to above-mentioned invention, in conjunction with the power system actual conditions, cumulated volume utility model major advantage is as follows:
1, the staff monitors control in that the stove control is indoor, brings convenience easily to work, has improved condition of work, and demonstration directly perceived has also guaranteed work quality; Alleviate labor strength;
2, overall design is reasonable, simple in structure being easy to do. Technology is reliable and secure, and working service is convenient, and measurement is accurate, pre-alarm is timely;
3, this device all adopts common components and parts, and assembling is adjusted and to change parts very convenient easily, and guarantees the long-term use maintenance that do not need repairing.
In a word, the invention solves and burn coal-fired plant's hard nut to crack for many years, inventor's checking, technology maturation is reliable, will firmly get vast stove fortune personnel and welcome to trust.
Claims (6)
1, a kind of level measuring and warning equipment for powder material storing bin, be made up of base (1), supporting base (2), cylinder (3) and wire rope (4) on the cylinder (3) and weight (5) etc., it is characterized in that: (1) adorns a cover motor driver (6) on the axle stamen of cylinder 3 one sides; (2) on another side shaft stamen of cylinder (3), adorn a cover speed change gear (7); (3) adorning an electric node switch (9) on the output shaft (8) of speed change gear (7) is connected with display dial (10); (4) on wire rope (4), wear a flexible member switch enclosure of knot (11) and be used for automatic control survey warning circuit (12).
2, level measuring and warning equipment for powder material storing bin according to claim 1, it is characterized in that described one the cover motor driver (6) form by common electric machine (13), gear case (14) and clutch (15).
3, level measuring and warning equipment for powder material storing bin according to claim 1, it is characterized in that a described cover speed change gear (7) connects a pair of worm and gear (18) by clutch (16), a pair of spur gear (17) that is contained in the clutch side, output shaft on the worm gear (8) rotates with cylinder and speed change is rotated.
4, level measuring and warning equipment for powder material storing bin according to claim 1, it is characterized in that described one electric node switch (9) is made up of a conduction pointer (19) and an insulcrete (20) fan-shaped or garden shape that is installed on the output shaft (8), and arrange tens fixing conductive contacts (21) at place, insulcrete (20) limit.
5, level measuring and warning equipment for powder material storing bin according to claim 1, it is characterized in that in the described flexible member switch enclosure (11) by three-ply plate (22) and be fixed on upper and lower layer steel plate and pass two root posts (23) of middle layer steel plate, and outside column between last, the middle level and two be fixed on the spring (24) on the steel plate and be installed in, a pair of measurement on lower floor's steel plate returns contact (24) and a pair of Alarm contactor (25) composition; Wire rope (4) wear respectively knot in, upper strata steel plate central authorities.
6, level measuring and warning equipment for powder material storing bin according to claim 1 or 5, it is characterized in that a pair of measurement return contact (24) and a pair of Alarm contactor (25) should with measure warning circuit (12) and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92202257 CN2118306U (en) | 1992-02-08 | 1992-02-08 | Automatic powder level measuring and alarming instrument for powder bin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92202257 CN2118306U (en) | 1992-02-08 | 1992-02-08 | Automatic powder level measuring and alarming instrument for powder bin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2118306U true CN2118306U (en) | 1992-10-07 |
Family
ID=4949143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92202257 Granted CN2118306U (en) | 1992-02-08 | 1992-02-08 | Automatic powder level measuring and alarming instrument for powder bin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2118306U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103866800A (en) * | 2014-02-26 | 2014-06-18 | 中冶集团武汉勘察研究院有限公司 | Early warning and sampling concrete surface elevation controller |
-
1992
- 1992-02-08 CN CN 92202257 patent/CN2118306U/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103866800A (en) * | 2014-02-26 | 2014-06-18 | 中冶集团武汉勘察研究院有限公司 | Early warning and sampling concrete surface elevation controller |
| CN103866800B (en) * | 2014-02-26 | 2016-04-20 | 中冶集团武汉勘察研究院有限公司 | Early warning and sampling type concrete face height controller |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210322233U (en) | Bridge safety evaluation device | |
| CN1075204A (en) | Full-automatic powder bin powder level measuring and alarming device | |
| CN2118306U (en) | Automatic powder level measuring and alarming instrument for powder bin | |
| CN1641322A (en) | Tank truck oil-discharging level meter | |
| CN210273729U (en) | Counter-torque protection device of worm gear speed reducer | |
| CN107941304A (en) | Multiple spot Anti-rotation type material level switch | |
| CN101279813B (en) | Novel torsionmeter | |
| CN2156495Y (en) | Wheel Balance Tester | |
| CN204373826U (en) | A kind of anchor-holding force of anchor bolt prior-warning device | |
| CN2308080Y (en) | Weighted level indicator | |
| CN212482630U (en) | Rotation-resisting type level indicator | |
| CN2222721Y (en) | Oxygen lance position display device for steelmaking converter | |
| CN202478871U (en) | Material container coding and identifying mechanism of automatic batching system | |
| CN2132153Y (en) | Sensor with digital display device | |
| CN2348365Y (en) | Coal powder level measuring instrument with weight having folding plates | |
| CN2651721Y (en) | Chain level metering installation | |
| CN2911322Y (en) | Top multifunction integrated gearing driving gear of loaded tap switch | |
| CN220611371U (en) | Weighing scale with sorting mechanism | |
| CN2219494Y (en) | Integral tester for hoisting equipment | |
| CN216977729U (en) | Novel measuring tool capable of measuring large-size inner diameter with adjustable measuring range | |
| CN218496150U (en) | Cement energy measurement and control device based on intelligent control | |
| CN220054194U (en) | Feeding structure of packaging machine | |
| CN214165771U (en) | Can detect cotton piece of cloth machine of cotton piece of cloth surplus | |
| CN216521761U (en) | Online monitoring system of central feeder | |
| CN209182969U (en) | A kind of easy to remove and installation gas alarm device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |