CN207684377U - A kind of anti-blocking adhesive tape conveyor blanking funnel - Google Patents
A kind of anti-blocking adhesive tape conveyor blanking funnel Download PDFInfo
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- CN207684377U CN207684377U CN201820026050.0U CN201820026050U CN207684377U CN 207684377 U CN207684377 U CN 207684377U CN 201820026050 U CN201820026050 U CN 201820026050U CN 207684377 U CN207684377 U CN 207684377U
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- 239000002390 adhesive tape Substances 0.000 title abstract 5
- 230000007246 mechanism Effects 0.000 claims description 19
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000005693 optoelectronics Effects 0.000 abstract 4
- 230000013011 mating Effects 0.000 abstract 1
- 239000002994 raw material Substances 0.000 description 13
- 238000007599 discharging Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 description 8
- 239000011707 mineral Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005574 cross-species transmission Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Control Of Conveyors (AREA)
Abstract
The utility model discloses a kind of anti-blocking adhesive tape conveyor blanking funnels, it is characterized in that：Including correlation optoelectronic switch and anti-blocking executing agency；It is located to extend transversely through between any two side wall under belt around mine parabola in adhesive tape conveyor blanking funnel and is provided at least a pair of light-transmissive hole；A set of correlation optoelectronic switch and a pair of mating setting of loophole, it includes the transmitter and receiver being fixedly mounted on outside adhesive tape conveyor blanking funnel often to cover the correlation optoelectronic switch, and the light beam face between the transmitter and receiver and can run through a pair of loophole；The anti-blocking executing agency and the open type output contact of the correlation optoelectronic switch are electrical connected, and the anti-blocking executing agency is for exporting anti-blocking execution signal.The anti-blocking adhesive tape conveyor blanking funnel of the utility model have it is simple and reasonable, cost is lower, uses more reliable, the ideal advantage of anti-blocking monitoring effect.
Description
Technical Field
The utility model belongs to rubber belt conveyor unloading funnel field, concretely relates to rubber belt conveyor unloading funnel that prevents stifled.
Background
The ore raw material transportation mode of domestic mines mostly adopts a belt conveyor to carry out transportation, and the belt conveyor is widely applied due to the advantages of large transportation capacity, low operation cost, reliable use and the like.
However, in the actual production and transportation process, the lower end of the discharging funnel of the belt conveyor is in a necking shape, and the ore raw material is wet and easily adhered to the inner wall of the discharging funnel, so that the discharging funnel is easily blocked and filled with the raw material over time, and the belt of the belt conveyor is worn by the raw material filled in the discharging funnel, even pierced and cut. Especially in the occasions of high hardness of ore raw materials and sharp edges and corners.
At present, some blanking funnel anti-blocking and detecting devices are available in the market, but most of the devices comprise a synchronous motor, a rotary table, a photosensitive tube, a probe and the like, the structure is too complex, the manufacturing cost is too high, and the devices are influenced by field use environments (dust, sewage, mechanical vibration) and the like, and have the factors of short service life, more misoperation times, more installation requirements, inconvenience in maintenance and the like.
In addition, the technical scheme that bulletin number is CN105600195A among the prior art discloses "a rubber belt conveyor aircraft nose funnel prevents stifled device", and this "rubber belt conveyor aircraft nose funnel prevents stifled device" is including rubber belt conveyor aircraft nose driving roll and funnel, be equipped with impeller anti-blocking mechanism between rubber belt conveyor aircraft nose driving roll and the funnel, impeller anti-blocking mechanism is including impeller, shaft coupling, speed reducer and motor, the impeller is fixed in on the bearing frame, the bearing frame passes through coupling joint to speed reducer, the speed reducer is connected to the motor. However, the anti-blocking device for the nose funnel of the rubber belt conveyor has the defects of complex structure and high manufacturing cost.
Based on this, the applicant considers to design a simple and reasonable structure, the cost is lower, uses more reliably, prevents stifled rubber belt conveyor unloading funnel that stifled monitoring effect is comparatively ideal.
Disclosure of Invention
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a simple structure is reasonable, and the cost is lower, uses more reliably, prevents stifled rubber belt conveyor unloading funnel that prevents stifled comparatively ideal of stifled monitoring effect.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a prevent rubber belt conveyor unloading funnel that blocks up which characterized in that: comprises a correlation type photoelectric switch and an anti-blocking actuating mechanism;
at least one pair of light holes transversely penetrate through any two side walls of the blanking funnel of the belt conveyor and are positioned around the ore-dropping parabola of the belt conveyor; the set of the correlation type photoelectric switches are matched with the pair of the light holes, each set of the correlation type photoelectric switches comprises a transmitter and a receiver which are fixedly arranged outside a blanking funnel of the rubber belt conveyor, and light beams between the transmitters and the receivers are opposite and can penetrate through the pair of the light holes;
prevent stifled actuating mechanism with correlation formula photoelectric switch's normal open type output contact electrical property links to each other, just prevent stifled actuating mechanism and be used for exporting and prevent stifled actuating signal.
The utility model discloses a prevent stifled rubber belt conveyor unloading funnel when using, whether detect rubber belt conveyor unloading funnel and be blockked up through correlation formula photoelectric switch and light trap phase cooperation. The working principle of the correlation type photoelectric switch is as follows: the light emitted by the emitter directly enters the receiver, and when the detected object blocks the light before passing through the emitter and the receiver, the photoelectric switch generates a switching signal.
When the unloading funnel blockked up, the ore raw materials in the unloading funnel can pile up gradually and block the light beam between transmitter and the receiver, like this, correlation formula photoelectric switch's normally open type output contact will closed switch on to make prevent stifled actuating mechanism output and prevent stifled actuating signal and remind the staff on-the-spot to make the belt stall, perhaps, automatic control belt stall.
It can be seen that the utility model discloses a prevent stifled rubber belt conveyor unloading funnel has obtained comparatively ideal and reliable stifled control through simple structure to have the cost more cheap, arrange the installation and use more convenient advantage.
As a preferred scheme, the anti-blocking executing mechanism comprises an intermediate relay and a time relay; wherein,
the intermediate relay comprises an intermediate relay for photoelectric signal control, an intermediate relay for time relay control and an intermediate relay for stopping the operation of the belt;
the control coil of the intermediate relay for controlling the photoelectric signal is connected with the normally open output contact of the correlation type photoelectric switch in series and then is connected with a power supply; the normally open contact of the intermediate relay for photoelectric signal control and the control wire ring of the intermediate relay for time relay control are connected in series to form a first branch and are connected with a power supply;
the normally open contact of the time relay control intermediate relay is connected in series with the control coil of the time relay and is connected in parallel with the first branch circuit;
the normally open contact of the time relay is connected in series with the control coil of the intermediate relay for shutting down the belt operation and is connected in parallel with the first branch circuit;
and a normally closed contact of the intermediate relay for shutting down the belt operation is connected in series in a driving protection loop of the belt.
Adopt above-mentioned stifled actuating mechanism that prevents, can make prevent stifled control more reliable, specifically do:
under normal conditions, when a receiver of the correlation type photoelectric switch receives a light beam, the output of the receiver is a normally open signal, and at the moment, the intermediate relay for controlling the photoelectric signal does not act. The intermediate relay for photoelectric signal control selects the intermediate relay of the DC 24V coil, and is matched with the correlation type photoelectric switch.
When the blanking funnel is blocked and the accumulated mineral materials shield the light beam, the normally-open output contact of the correlation type photoelectric switch is closed, the intermediate relay for photoelectric signal control acts, and immediately, the intermediate relay for time relay control acts and activates the connecting delay time relay KT. The delay time of the time relay KT is generally selected to be 2-4 seconds, so that the system can not act due to the fact that some flying mineral aggregates in the blanking process block light beams, and the system can also make a timely response to the mineral blocking condition. The time relay KT is added to make the system robust to make the system more reliable.
When the time relay KT is continuously electrified to the delay time, the normally open contact is closed, so that the intermediate relay for shutting down the belt operation acts. The normally closed contact of the intermediate relay for shutting down the belt operation is connected in series to a protection circuit of a control system of the belt, and the belt is shut down when the intermediate relay for shutting down the belt operation acts.
Preferably, the light holes are positioned on two opposite side walls in the belt width direction in the blanking funnel of the belt conveyor, and the light holes are positioned on the front side of the ore deposit parabola under the belt.
In this technical scheme, the side of taking the belt output is the place ahead.
After adopting above-mentioned improvement scheme for the light trap more keeps away from the belt with correlation formula photoelectric switch, prevents to drop the sediment landing on the belt and covers light trap or correlation formula photoelectric switch, thereby makes to prevent that stifled control can be more reliable and durable.
Preferably, the light holes are two pairs arranged at intervals in the height direction, the height of the upper light hole pair is lower than that of the lower ore of the belt, and the lower light hole pair is 20-30 cm lower than the upper light hole pair.
Two pairs of light holes which are arranged at intervals in the height direction are adopted, namely, the correlation type photoelectric switches are two sets which are matched with the two pairs of light holes for use. The two sets of correlation type photoelectric switches are respectively connected with a control coil of an intermediate relay for photoelectric signal control in series to form a control branch circuit and then are connected with a 24VDC power supply in parallel. The two intermediate relays for photoelectric signal control are connected in series with the control coil of the intermediate relay for time relay control.
Two sets of correlation type photoelectric switches are used, so that the stability and the reliability of a system are improved, and system misoperation caused by damage or looseness and the like of a laser correlation sensor in the production process is prevented.
In addition, the ores piled up can be effectively guaranteed to block the light beams of the emitters when the ores are blocked, and misoperation of the protection device can be avoided when the ores in the normal blanking process block the light beams. The correlation formula photoelectric switch that is located the below is less than the correlation formula photoelectric switch that is located the top 20 to 30 centimetres distance, just so can play the effect that the mineral aggregate of surveying earlier stage piles up the signal, and the correlation formula photoelectric switch that is located the top should be low for benefit with the belt below the mining point horizontal plane slightly, can play the ore and can not spill over too much effect when blockking up.
As a preferred scheme, the anti-blocking rubber belt conveyor blanking funnel further comprises a mounting bracket used for fixedly mounting a transmitter and a receiver of the correlation type photoelectric switch respectively, and the lower end of the mounting bracket is fixedly mounted on the ground around the bottom of a mounting rack of the rubber belt conveyor blanking funnel.
Because, when the correlation formula photoelectric switch installs on the steel sheet of unloading funnel wall, because the unloading funnel can receive the impact between ore and the funnel wall steel sheet and when producing the vibration when normal work, cause the light beam swing of correlation formula photoelectric switch's transmitter transmission great easily, less swing angle leads to the light beam to remove too big, and the receiver can not receive the light beam and produces the maloperation phenomenon.
Therefore, the independently fixed mounting supports are manufactured at the positions (on the ground around the bottom of the mounting rack of the blanking funnel) where the vibration of the footing surfaces is small, which are arranged at the two sides of the blanking funnel, so that the light beam of the transmitter can always directly face the receiving surface of the receiver, and the phenomenon that the light beam deviates from the receiving surface due to vibration to cause misoperation is avoided.
Preferably, the light-transmitting hole is a circular hole with a diameter of 5 to 10 cm.
The light holes are round holes with the diameter of 5-10 cm, so that the light holes can be processed more easily; and when the emitter or the receiver respectively generates small-amplitude vibration, the light beams cannot deviate and irradiate the inner wall of the blanking funnel beside the light hole and are blocked, so that the light beams can enter the receiving surface of the receiver, and the phenomenon of misoperation is prevented. Moreover, the circular hole of 5-10 cm can also effectively prevent the ore raw material from falling out through the circular hole with the size when the blanking funnel is blocked and filled with the ore raw material, so that the high-altitude falling of the ore raw material is prevented, and the safety production is better ensured.
Drawings
Fig. 1 is the structure schematic diagram of the anti-blocking rubber belt conveyor blanking funnel of the utility model.
Fig. 2 is the electric schematic diagram of the control part of the intermediate relay for photoelectric signal control of the anti-blocking blanking funnel of the rubber belt conveyor.
Fig. 3 is the electric schematic diagram of the execution part of the intermediate relay and the time relay of the anti-blocking rubber belt conveyor discharging hopper of the utility model.
Labeled as:
1 emitter of correlation photoelectric switch;
2 receiver of correlation photoelectric switch;
3, a belt;
4, the side wall of a feeding funnel;
5, a light beam;
and 6, mounting a bracket.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. Where descriptive terms such as upper, lower, left, right, etc., are used for descriptive purposes to aid the reader's understanding and are not intended to be limiting.
A first embodiment, as shown in fig. 1 to 3:
an anti-blocking rubber belt conveyor blanking funnel comprises a correlation photoelectric switch and an anti-blocking actuating mechanism;
at least one pair of light holes transversely penetrate through any two side walls of the blanking funnel of the belt conveyor, which are positioned around the ore-discharging parabola of the belt 3; each set of the correlation type photoelectric switch comprises a transmitter 1 and a receiver 2 which are fixedly arranged outside a blanking funnel of the rubber belt conveyor, and a light beam 5 (which is an infrared light beam (invisible) or a laser light beam) between the transmitter 1 and the receiver 2 is opposite to and can penetrate through a pair of the light holes;
prevent stifled actuating mechanism with correlation formula photoelectric switch's normal open type output contact electrical property links to each other, just prevent stifled actuating mechanism and be used for exporting and prevent stifled actuating signal.
The anti-blocking executing mechanism comprises an intermediate relay and a time relay KT; the intermediate relay comprises an intermediate relay for photoelectric signal control, an intermediate relay KA3 for time relay control and an intermediate relay KA4 for stopping belt operation;
the control coil of the intermediate relay for controlling the photoelectric signal is connected with the normally open output contact of the correlation type photoelectric switch in series and then is connected with a power supply; a normally open contact of the intermediate relay for photoelectric signal control and a control wire coil of the intermediate relay KA3 for time relay control are connected in series to form a first branch and are connected with a power supply;
a normally open contact of the time relay control intermediate relay KA3 is connected in series with a control coil of the time relay KT and is connected in parallel with the first branch;
a normally open contact of the time relay KT is connected in series with a control coil of the intermediate relay KA4 for stopping the belt operation and is connected in parallel with the first branch circuit;
the normally closed contact of the intermediate relay KA4 for stopping the belt operation is connected in series in the driving protection loop of the belt 3.
Adopt above-mentioned stifled actuating mechanism that prevents, can make prevent stifled control more reliable, specifically do:
under normal conditions, when the receiver 2 of the correlation type photoelectric switch receives the light beam 5, the output is a normally open signal, and at the moment, the intermediate relay for controlling the photoelectric signal does not act. The intermediate relay for photoelectric signal control selects the intermediate relay of the DC 24V coil, and is matched with the correlation type photoelectric switch.
When the blanking funnel is blocked and the accumulated mineral materials shield the light beam 5, the normally-open output contact of the correlation type photoelectric switch is closed, the intermediate relay for photoelectric signal control acts, and then the intermediate relay KA3 for time relay control acts and activates the on-delay time relay KTKTKTKTKTKTKTKTK. The delay time of the time relay KTKTKTKTKTKTKTKT is generally selected to be 2-4 seconds, so that the system can not act due to the fact that some flying mineral aggregates in the blanking process simultaneously shield the light beam 5, and the system can also make a timely response to the mineral blocking condition. The time relay ktktk is added to make the system robust to a certain extent, so that the system is more reliable.
When the time relay KTKTKTKTKTKTKTKTKT is continuously electrified to the delay time, the normally open contact is closed, so that the intermediate relay KA4 for shutting down the belt operation acts. The normally closed contact of the intermediate relay KA4 for stopping the belt operation is connected in series to a protection circuit of a control system of the belt 3, and when the intermediate relay KA4 for stopping the belt operation is operated, the belt 3 is stopped.
Wherein, the light trap is arranged on two opposite side walls 4 in the feeding funnel of the belt conveyor in the width direction of the belt 3, and the light trap is arranged on the front side of the ore deposit parabola under the belt 3.
In this embodiment, the belt 3 is taken as the output side.
After adopting above-mentioned improvement scheme for light trap and correlation formula photoelectric switch more keep away from belt 3, prevent to fall the sediment landing on the belt 3 and cover light trap or correlation formula photoelectric switch, thereby make prevent stifled control can be more reliable and durable.
The light holes are two pairs arranged at intervals in the height direction, the height of the pair of light holes above the belt 3 is lower than that of the ore below the belt 3, and the distance between the pair of light holes below the belt 3 is 20-30 cm.
Two sets of the opposed photoelectric switches (marked as KA1 and KA2 in fig. 2 and 3) are used together with the two pairs of the light holes arranged at intervals in the height direction. The two sets of correlation type photoelectric switches are respectively connected with a control coil of an intermediate relay for photoelectric signal control in series to form a control branch circuit and then are connected with a 24VDC power supply in parallel. Two photoelectric signal control intermediate relays are connected in series with the control coil of the time relay control intermediate relay KA 3.
Two sets of correlation type photoelectric switches are used, so that the stability and the reliability of a system are improved, and system misoperation caused by damage or looseness and the like of a laser correlation sensor in the production process is prevented.
In addition, the ores piled up can be effectively guaranteed to block the light beam 5 of the emitter 1 when the ores are blocked, and misoperation of a protection device can be avoided when the ores in the normal blanking process block the light beam 5. The correlation formula photoelectric switch that is located the below is less than the correlation formula photoelectric switch that is located the top 20 to 30 centimetres distance, just so can play the effect that the signal was piled up to the mineral aggregate of surveying earlier stage, and the correlation formula photoelectric switch that is located the top should be good slightly with belt 3 lower mining point horizontal plane, can play the ore and can not spill over too much effect when blockking up.
The anti-blocking rubber belt conveyor blanking funnel further comprises a mounting support 6 used for fixedly mounting a transmitter 1 and a receiver 2 of the correlation type photoelectric switch respectively, and the lower end of the mounting support 6 is fixedly mounted on the ground around the bottom of a mounting rack of the rubber belt conveyor blanking funnel.
Because, when the correlation formula photoelectric switch installs on the steel sheet of unloading funnel wall, because the unloading funnel can receive the impact between ore and the funnel wall steel sheet and when producing the vibration when normal work, cause the light beam 5 swing of correlation formula photoelectric switch's transmitter 1 transmission easily great, less swing angle leads to light beam 5 to remove too big, and receiver 2 can not receive light beam 5 and produce the maloperation phenomenon.
Therefore, the independently fixed mounting brackets 6 are manufactured at the positions with small vibration of footing surfaces (on the ground around the bottom of the mounting rack of the blanking funnel) arranged at the two sides of the blanking funnel, so that the light beam 5 of the transmitter 1 can always directly face the receiving surface of the receiver 2, and the phenomenon that the light beam 5 deviates from the receiving surface to cause misoperation due to vibration is avoided.
Wherein, the light hole is a round hole with the diameter of 5-10 cm.
The light holes are round holes with the diameter of 5-10 cm, so that the light holes can be processed more easily; and when the emitter 1 or the receiver 2 respectively generates small vibration, the light beam 5 cannot deviate and shoot to the inner wall of the blanking funnel beside the light hole and is blocked, so that the light beam 5 can enter the receiving surface of the receiver 2, and the phenomenon of misoperation is prevented. Moreover, the circular hole of 5-10 cm can also effectively prevent the ore raw material from falling out through the circular hole with the size when the blanking funnel is blocked and filled with the ore raw material, so that the high-altitude falling of the ore raw material is prevented, and the safety production is better ensured.
Second embodiment, not shown:
the present embodiment is different from the first embodiment in that:
the anti-blocking control executing mechanism is an audible and visual alarm.
Therefore, when the blanking hopper of the belt conveyor is blocked, workers on site can be reminded to take reasonable measures in time through the audible and visual alarm signals, and safety production is ensured.
When the anti-blocking rubber belt conveyor discharging hopper of the two embodiments is used, whether the rubber belt conveyor discharging hopper is blocked or not is detected through the matching of the correlation type photoelectric switch and the light hole. The working principle of the correlation type photoelectric switch is as follows: the light emitted by the emitter 1 directly enters the receiver 2, and when the detected object blocks the light before passing through the emitter 1 and the receiver 2, the photoelectric switch generates a switching signal.
When the unloading funnel blockked up, the ore raw materials in the unloading funnel can pile up gradually and block light beam 5 between transmitter 1 and the receiver 2, like this, correlation formula photoelectric switch's normally open type output contact will closed switch on to make prevent stifled actuating mechanism output and prevent stifled actuating signal and remind the staff at scene to make belt 3 stall, perhaps, automatic control belt 3 stall.
Therefore, the anti-blocking rubber belt conveyor blanking funnel of the two embodiments obtains ideal and reliable anti-blocking monitoring through a simple structure, and has the advantages of lower manufacturing cost and more convenient arrangement, installation and use.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the technical solution, and the technical solution of the changes and modifications should also be considered as falling within the scope of the claims.
Claims (6)
1. Prevent stifled rubber belt conveyor unloading funnel, its characterized in that: comprises a correlation type photoelectric switch and an anti-blocking actuating mechanism;
at least one pair of light holes transversely penetrate through any two side walls of the blanking funnel of the belt conveyor and are positioned around the ore-dropping parabola of the belt conveyor; the set of the correlation type photoelectric switches are matched with the pair of the light holes, each set of the correlation type photoelectric switches comprises a transmitter and a receiver which are fixedly arranged outside a blanking funnel of the rubber belt conveyor, and light beams between the transmitters and the receivers are opposite and can penetrate through the pair of the light holes;
prevent stifled actuating mechanism with correlation formula photoelectric switch's normal open type output contact electrical property links to each other, just prevent stifled actuating mechanism and be used for exporting and prevent stifled actuating signal.
2. The anti-blocking blanking funnel of a belt conveyor as in claim 1, wherein: the anti-blocking executing mechanism comprises an intermediate relay and a time relay; wherein,
the intermediate relay comprises an intermediate relay for photoelectric signal control, an intermediate relay for time relay control and an intermediate relay for stopping the operation of the belt;
the control coil of the intermediate relay for controlling the photoelectric signal is connected with the normally open output contact of the correlation type photoelectric switch in series and then is connected with a power supply; the normally open contact of the intermediate relay for photoelectric signal control and the control wire ring of the intermediate relay for time relay control are connected in series to form a first branch and are connected with a power supply;
the normally open contact of the time relay control intermediate relay is connected in series with the control coil of the time relay and is connected in parallel with the first branch circuit;
the normally open contact of the time relay is connected in series with the control coil of the intermediate relay for shutting down the belt operation and is connected in parallel with the first branch circuit;
and a normally closed contact of the intermediate relay for shutting down the belt operation is connected in series in a driving protection loop of the belt.
3. The anti-blocking blanking funnel of a belt conveyor as in claim 1, wherein: the light trap is located two relative lateral walls on belt width direction in the rubber belt conveyer unloading funnel, just the light trap is located the front side of belt lower ore deposit parabola.
4. The anti-blocking blanking funnel of a belt conveyor according to claim 3, characterized in that: the light holes are two pairs arranged at intervals in the height direction, the height of the pair of light holes above the light holes is lower than that of the ore under the belt, and the length of the pair of light holes below the light holes is 20-30 cm.
5. The anti-blocking blanking funnel of a belt conveyor as in claim 1, wherein: the device is characterized by further comprising mounting supports for fixedly mounting a transmitter and a receiver of the correlation type photoelectric switch respectively, wherein the lower ends of the mounting supports are fixedly mounted on the ground around the bottom of the mounting rack of the blanking hopper of the rubber belt conveyor.
6. The anti-blocking blanking funnel of a belt conveyor as in claim 1, wherein: the light hole is a circular hole with the diameter of 5-10 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820026050.0U CN207684377U (en) | 2018-01-08 | 2018-01-08 | A kind of anti-blocking adhesive tape conveyor blanking funnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820026050.0U CN207684377U (en) | 2018-01-08 | 2018-01-08 | A kind of anti-blocking adhesive tape conveyor blanking funnel |
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| Publication Number | Publication Date |
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| CN207684377U true CN207684377U (en) | 2018-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820026050.0U Active CN207684377U (en) | 2018-01-08 | 2018-01-08 | A kind of anti-blocking adhesive tape conveyor blanking funnel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110451209A (en) * | 2019-09-16 | 2019-11-15 | 安徽马钢矿业资源集团有限公司 | A kind of switching funnel anti-clogging warning device |
-
2018
- 2018-01-08 CN CN201820026050.0U patent/CN207684377U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110451209A (en) * | 2019-09-16 | 2019-11-15 | 安徽马钢矿业资源集团有限公司 | A kind of switching funnel anti-clogging warning device |
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