CN105600355A - Belt material flow detecting device and application method thereof - Google Patents
Belt material flow detecting device and application method thereof Download PDFInfo
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- CN105600355A CN105600355A CN201510745365.1A CN201510745365A CN105600355A CN 105600355 A CN105600355 A CN 105600355A CN 201510745365 A CN201510745365 A CN 201510745365A CN 105600355 A CN105600355 A CN 105600355A
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- belt
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- material flow
- higher level
- flow detection
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- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses a material blocking detection method for a belt conveyor blanking funnel. The detection method comprises the following steps: firstly, installing a belt material flow detecting device on a belt conveyor; starting the belt conveyor in order to run an upper-stage belt and a lower-stage belt; in an initial state, setting limiting switches of an upper-stage belt material flow detecting device and a lower-stage belt material flow detecting device in non-triggered states, and triggering the limiting switches of the upper-stage belt material flow detecting device and the lower-stage belt material flow detecting device in sequence along with the running of the upper-stage belt and the lower-stage belt; recovering the limiting switch of the lower-stage belt material flow detecting device from a triggered state to the non-triggered state when the blanking funnel is blocked by materials; halting the belt conveyor; stopping running of the upper-stage belt and the lower-stage belt; dredging the blanking funnel; lastly, restarting the belt conveyor to recover the running of the upper-stage belt and the lower-stage belt in order to realize the material blocking detection of the blanking funnel in a material transportation process. Compared with the conventional detection way, the material blocking detection method has the advantages that the phenomena that the limiting switches are damaged or are clamped by large materials, or the belts are scratched are avoided, and failure to detect material blocking is prevented.
Description
Technical field
The invention belongs to belt conveyor technical field, particularly relate to a kind of belt material flow detection device and using method thereof.
Background technology
In the production process of mine, belt conveyor is as main mineral materials transporting equipment, in its transported material process,Discharging hopper conventionally can be set between higher level's belt and subordinate's belt, and the mineral materials of higher level's belt can fall into by discharging hopperSubordinate's belt, still, while carrying out mineral materials transhipment by discharging hopper, the fault the most often occurring is exactly the putty of discharging hopper,Now need dredging personnel to dredge operation to discharging hopper.
Judge whether discharging hopper putty occurs, be difficult to carry out Real-Time Monitoring by manual type, and the mode adopting be at presentIn discharging hopper, mounting limit switch carries out putty detection. Under normal circumstances, the material face in discharging hopper is lower, oneWhen dawn discharging hopper generation putty, material face in discharging hopper can raise rapidly, until material face be elevated to can trigger spacingAfter switch, and then belt conveyor is stopped, now dredge personnel and just can dredge discharging hopper.
Because limit switch is arranged in discharging hopper, the material that limit switch is easily fallen smashes or by bulk materials cardLive, thereby the inefficacy that causes putty to detect can cause the belt accident of drawing when serious.
Even if the limit switch in discharging hopper can normally move, in the time that limit switch is triggered, illustrate that putty has occurred oneThe section time, now the material in discharging hopper has gathered a lot, and this has also directly increased dredging personnel's labour intensity.
Therefore, present stage is needed a kind of brand-new putty detection mode badly, can judge the generation of discharging hopper putty the very first time,And control in time belt conveyor parking, and reduce the accumulated amount of material in discharging hopper, reduce dredging personnel's labour intensity.
Summary of the invention
The problem existing for prior art, the invention provides a kind of belt material flow detection device and using method thereof, can firstTime judges the generation of discharging hopper putty, and controls in time belt conveyor parking, reduces the accumulated amount of material in discharging hopper,Reduce dredging personnel's labour intensity.
Belt material flow detection device of the present invention comprises pressure roller, lever, bearing and limit switch, and pressure roller is positioned at belt below, pressesRoller is arranged on lever one end, and the lever other end matches with limit switch, and limit switch is fixedly mounted on the carrying roller of belt conveyorOn frame; Bearing is arranged on carrier roller frame, and bearing top and lever middle part is hinged, and the pin joint fulcrum that is lever; At leverAnd between carrier roller frame, be connected with back-moving spring; Belt material flow detection device is divided into higher level's belt material flow detection device and subordinate's belt materialFlow detection device.
The using method of belt material flow detection device of the present invention is:
Step 1: belt material flow detection device is installed on belt conveyor;
Step 2: start belt conveyor, higher level's belt and subordinate's belt are turned round;
Step 3: when original state, little without material or material on higher level's belt, spacing the opening of higher level's belt material flow detection deviceClose as not triggering state, on subordinate's belt, without material, the limit switch of subordinate's belt material flow detection device is not for triggering state;
Step 4: along with the running of higher level's belt, the material on higher level's belt increases gradually, and the deadweight of material forces higher level's beltSink, higher level's belt of sinking presses pressure roller downwards and impels lever perk, stirs higher level's belt material stream detect by the perk of leverThe limit switch of device makes it reach triggering state;
Step 5: the material on higher level's belt falls into discharging hopper, then fall on subordinate's belt by discharging hopper, along with underThe running of level belt, the material on subordinate's belt increases gradually, and the deadweight of material forces subordinate's belt to sink, subordinate's skin of sinkingBand presses pressure roller downwards and impels lever perk, and the limit switch of stirring subordinate's belt material flow detection device by the perk of lever makes itReach triggering state;
Step 6: when the material in discharging hopper no longer falls on subordinate's belt, along with the running of subordinate's belt, on subordinate's beltOccur rapidly material seldom or without the situation of material, subordinate's belt cannot maintain sinking state, lever restPoses, underThe limit switch of level belt material flow detection device returns to by triggering state the state of not triggering, now discharging hopper generation putty.
In said method, in the time of discharging hopper generation putty, belt conveyor is shut down, and higher level's belt and subordinate's belt shut down,Discharging hopper is dredged; Then restart belt conveyor, make higher level's belt and subordinate's belt recover running, realize thingIn material transportation, the putty of discharging hopper detects.
The limit switch of the limit switch of higher level's belt material flow detection device of the present invention and subordinate's belt material flow detection device simultaneously withPLC system is assembled together.
Beneficial effect of the present invention:
The present invention compared with mounting limit switch in discharging hopper carries out the mode of putty detection, has effectively avoided spacing opening with existingClose the material easily being fallen and smash or blocked by bulk materials and draw the generation of belt accident, prevent the inefficacy that putty detects.The present invention can judge the generation of discharging hopper putty the very first time, and controls in time belt conveyor parking, reduces discharging hopperThe accumulated amount of interior material, reduces dredging personnel's labour intensity.
Brief description of the drawings
Fig. 1 is provided with the upper and lower level belt of belt material flow detection device and the schematic diagram (without material state) of lower ore deposit flaw;
Fig. 2 is provided with the upper and lower level belt of belt material flow detection device and the schematic diagram (having material state) of lower ore deposit flaw;
Fig. 3 is the putty overhaul flow chart of belt conveyor discharging hopper;
In figure, 1-pressure roller, 2-lever, 3-bearing, 4-limit switch, 5-back-moving spring, 6-higher level's belt, 7-holderRoller, 8-carrier roller frame, 9-material, 10-subordinate belt, 11-discharging hopper.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
A putty detection method for belt conveyor discharging hopper, comprises the steps:
Step 1: belt material flow detection device is installed on belt conveyor, belt material flow detection device comprise pressure roller 1, lever 2,Bearing 3 and limit switch 4, pressure roller 1 is positioned at belt below, and pressure roller 1 is arranged on lever 2 one end, lever 2 other ends and limitBit switch 4 matches, and limit switch 4 is fixedly mounted on the carrier roller frame 8 of belt conveyor; Bearing 3 is arranged on carrier roller frame 8Upper, bearing 3 tops and lever 2 middle parts are hinged, and pin joint is the fulcrum of lever 2; Between lever 2 and carrier roller frame 8Be connected with back-moving spring 5; Belt material flow detection device is divided into higher level's belt material flow detection device and subordinate's belt material flow detection device;
Step 2: start belt conveyor, higher level's belt 6 and 10 entrys into service of subordinate's belt;
Step 3: when original state, little without material or material on higher level's belt 6, higher level's belt material flow detection device spacingSwitch 4 is for not triggering state, and on subordinate's belt 10, without material, the limit switch 4 of subordinate's belt material flow detection device is not for triggeringState;
Step 4: along with the running of higher level's belt 6, the material on higher level's belt 6 increases gradually, and the deadweight of material forces higher levelBelt 6 sinks, and higher level's belt 6 of sinking presses pressure roller 1 downwards and impels lever 2 perks, stirs by the perk of lever 2The limit switch 4 of level belt material flow detection device makes it reach triggering state;
Step 5: the material on higher level's belt 6 falls into discharging hopper 11, then fall into subordinate's belt 10 by discharging hopper 11Upper, along with the running of subordinate's belt 10, the material on subordinate's belt 10 increases gradually, and the deadweight of material forces subordinate's belt 10Sink, subordinate's belt 10 of sinking presses pressure roller 1 downwards and impels lever 2 perks, stirs subordinate's belt by the perk of lever 2The limit switch 4 of material flow detection device makes it reach triggering state;
Step 6: when the material in discharging hopper 11 no longer falls on subordinate's belt 10, along with the running of subordinate's belt 10, underLevel occurs rapidly material on belt 10 seldom or without the situation of material, subordinate's belt 10 cannot maintain sinking state, lever 2RestPose, the limit switch 4 of subordinate's belt material flow detection device returns to by triggering state the state of not triggering, and this at presentThere is putty in material flaw 11;
Each belt is positioned at carrying roller sidepiece, when sinking, does not contact with carrying roller;
Step 7: belt conveyor is shut down, and higher level's belt 6 and subordinate's belt 10 shut down, and discharging hopper 11 is dredgedLogical;
Step 8: restart belt conveyor, make higher level's belt 6 and subordinate's belt 10 recover running, realize material transportation mistakeIn journey, the putty of discharging hopper detects.
Scheme in embodiment is not in order to limit scope of patent protection of the present invention, and the equivalence that all the present invention of disengaging do is implementedOr change, be all contained in the scope of the claims of this case.
Claims (2)
1. a belt material flow detection device, is characterized in that comprising pressure roller, lever, bearing and limit switch, and pressure roller is positioned at skinBand below, pressure roller is arranged on lever one end, and the lever other end matches with limit switch, and it is defeated that limit switch is fixedly mounted on beltSend on the carrier roller frame of machine; Bearing is arranged on carrier roller frame, and bearing top and lever middle part is hinged, and pin joint is leverPoint; Between lever and carrier roller frame, be connected with back-moving spring; Belt material flow detection device be divided into higher level's belt material flow detection device andSubordinate's belt material flow detection device.
2. a using method for belt material flow detection device claimed in claim 1, is characterized in that comprising the steps:
Step 1: belt material flow detection device is installed on belt conveyor;
Step 2: start belt conveyor, higher level's belt and subordinate's belt are turned round;
Step 3: when original state, little without material or material on higher level's belt, spacing the opening of higher level's belt material flow detection deviceClose as not triggering state, on subordinate's belt, without material, the limit switch of subordinate's belt material flow detection device is not for triggering state;
Step 4: along with the running of higher level's belt, the material on higher level's belt increases gradually, and the deadweight of material forces higher level's beltSink, higher level's belt of sinking presses pressure roller downwards and impels lever perk, stirs higher level's belt material stream detect by the perk of leverThe limit switch of device makes it reach triggering state;
Step 5: the material on higher level's belt falls into discharging hopper, then fall on subordinate's belt by discharging hopper, along with underThe running of level belt, the material on subordinate's belt increases gradually, and the deadweight of material forces subordinate's belt to sink, subordinate's skin of sinkingBand presses pressure roller downwards and impels lever perk, and the limit switch of stirring subordinate's belt material flow detection device by the perk of lever makes itReach triggering state;
Step 6: when the material in discharging hopper no longer falls on subordinate's belt, along with the running of subordinate's belt, on subordinate's beltOccur rapidly material seldom or without the situation of material, subordinate's belt cannot maintain sinking state, lever restPoses, underThe limit switch of level belt material flow detection device returns to by triggering state the state of not triggering, now discharging hopper generation putty.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510745365.1A CN105600355B (en) | 2015-11-05 | 2015-11-05 | A kind of belt stream detection means and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510745365.1A CN105600355B (en) | 2015-11-05 | 2015-11-05 | A kind of belt stream detection means and its application method |
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| Publication Number | Publication Date |
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| CN105600355A true CN105600355A (en) | 2016-05-25 |
| CN105600355B CN105600355B (en) | 2017-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510745365.1A Active CN105600355B (en) | 2015-11-05 | 2015-11-05 | A kind of belt stream detection means and its application method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110294286A (en) * | 2019-08-02 | 2019-10-01 | 北京华夏力鸿商品检验有限公司 | A kind of feed blocking detection device |
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|---|---|---|---|---|
| JPH0569979A (en) * | 1991-09-17 | 1993-03-23 | Sharp Corp | Control device for snaking of belt |
| KR100375179B1 (en) * | 2000-12-28 | 2003-03-07 | 현대자동차주식회사 | Tensioner |
| RU2281899C1 (en) * | 2005-03-02 | 2006-08-20 | Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный институт им. Г.В. Плеханова (технический университет)" | Inclined belt conveyor |
| CN202542325U (en) * | 2012-01-04 | 2012-11-21 | 河北钢铁股份有限公司邯郸分公司 | Protective device for tubular band conveyer |
| CN202575322U (en) * | 2012-02-20 | 2012-12-05 | 北京佳时代包装制品有限责任公司 | Material flow sensor |
| CN202988189U (en) * | 2012-12-20 | 2013-06-12 | 建滔（河北）化工有限公司 | Automatic chute blockage stopping device of belt conveyor |
| CN103335681A (en) * | 2013-06-21 | 2013-10-02 | 孙家鼎 | Lever-type device for monitoring mass flow rate of powder |
-
2015
- 2015-11-05 CN CN201510745365.1A patent/CN105600355B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0569979A (en) * | 1991-09-17 | 1993-03-23 | Sharp Corp | Control device for snaking of belt |
| KR100375179B1 (en) * | 2000-12-28 | 2003-03-07 | 현대자동차주식회사 | Tensioner |
| RU2281899C1 (en) * | 2005-03-02 | 2006-08-20 | Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный институт им. Г.В. Плеханова (технический университет)" | Inclined belt conveyor |
| CN202542325U (en) * | 2012-01-04 | 2012-11-21 | 河北钢铁股份有限公司邯郸分公司 | Protective device for tubular band conveyer |
| CN202575322U (en) * | 2012-02-20 | 2012-12-05 | 北京佳时代包装制品有限责任公司 | Material flow sensor |
| CN202988189U (en) * | 2012-12-20 | 2013-06-12 | 建滔（河北）化工有限公司 | Automatic chute blockage stopping device of belt conveyor |
| CN103335681A (en) * | 2013-06-21 | 2013-10-02 | 孙家鼎 | Lever-type device for monitoring mass flow rate of powder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110294286A (en) * | 2019-08-02 | 2019-10-01 | 北京华夏力鸿商品检验有限公司 | A kind of feed blocking detection device |
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| Publication number | Publication date |
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| CN105600355B (en) | 2017-10-13 |
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Address after: 114001 Anshan District, Liaoning, No. 219 Road, No. 39, Tiedong Applicant after: Anshan Iron and Steel Group Mining Co., Ltd. Address before: 114001 Anshan District, Liaoning, No. 219 Road, No. 39, Tiedong Applicant before: Anshan Iron & Steel Group Mining Co., Ltd. |
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