CN207242983U - The flow detector of bucket wheel machine - Google Patents
The flow detector of bucket wheel machine Download PDFInfo
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- CN207242983U CN207242983U CN201721239527.5U CN201721239527U CN207242983U CN 207242983 U CN207242983 U CN 207242983U CN 201721239527 U CN201721239527 U CN 201721239527U CN 207242983 U CN207242983 U CN 207242983U
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- bucket wheel
- wheel machine
- belt conveyor
- bucket
- laser scanner
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Abstract
The utility model discloses a kind of flow detector of bucket wheel machine.Wherein, bucket wheel machine includes：Belt conveyor, is used for transmission material；Material fetching mechanism, for material to be positioned over belt conveyor；The flow detector of bucket wheel machine includes：Laser scanner, is arranged at the top of belt conveyor, for scanning the profile of the material transmitted on belt conveyor；Control circuit, is electrically connected with laser scanner and material fetching mechanism, for receiving the electric signal of laser scanner generation, and adjusts the feeding speed of material fetching mechanism.The utility model solve bucket wheel machine in correlation technique can not the flow of control material exactly technical problem.
Description
Technical field
Transmitting device field is the utility model is related to, in particular to a kind of flow detector of bucket wheel machine.
Background technology
Materials transport mechanism can use belt as transmission mechanism, when transmitting material by belt, it usually needs skin
The flow for taking the material of transmission be it is constant, with meet that spent material is stable or storage material neatly etc. the needs of.With bucket wheel
Exemplified by machine, bucket wheel machine can be applied in Thermal Power Enterprises coal yard, for taking coal, limited by bucket wheel machine mechanical structure and reclaiming technology
System, bucket wheel machine feeding flow be difficult to it is constant, and can constant flow rate feeding to realize coal mixing combustion so that improve boiler burning
Efficiency is significant, in order to realize that bucket wheel machine feeding constant flow rate controls, the accuracy of bucket wheel machine arm belt flow measurement
Critically important, traditional belt conveyer scale can not use in bucket wheel machine large arm, using bucket electric current come judge feeding flow can produce compared with
Big error.When bucket wheel machine carries out artificial feeding, rough control can be carried out by visual observation by bucket wheel machine driver,
And after bucket wheel machine realizes unmanned operation, when bucket wheel machine cantilever is turned round with fixed frequency or adjusted using simple PID, constant current
Effect is all less desirable.
For the bucket wheel machine in correlation technique can not the flow of control material exactly technical problem, not yet propose at present
Effective solution.
Utility model content
The utility model embodiment provides a kind of flow detector of bucket wheel machine, at least to solve in correlation technique
Bucket wheel machine can not the flow of control material exactly technical problem.
According to the one side of the utility model embodiment, there is provided a kind of flow detector, the device are applied to bucket
Turbine, bucket wheel machine include：Belt conveyor, is used for transmission material；Material fetching mechanism, for material to be positioned over belt conveyor；Should
Device includes：Laser scanner, is arranged at the top of belt conveyor, for scanning the wheel of the material transmitted on belt conveyor
It is wide；Control circuit, is electrically connected with laser scanner and material fetching mechanism, for receiving the electric signal of laser scanner generation, and adjusts
Save the feeding speed of material fetching mechanism.
Further, laser scanner includes optical sensor unit, and optical sensor unit is towards the direction of belt conveyor.
Further, laser scanner further includes holder and holder driving mechanism, and optical sensor unit is fixedly installed on cloud
On platform, holder is used for the direction for controlling optical sensor unit, and holder driving mechanism is used to drive holder.
Further, laser scanner is fixedly installed on mechanical arm, and mechanical arm is used to control laser scanner to exist
Moved on vertical direction.
According to the another aspect of the utility model embodiment, a kind of bucket wheel machine is additionally provided, which includes this practicality
The flow detector of new bucket wheel machine, wherein, bucket wheel machine includes at least：Belt conveyor, is used for transmission material；Reclaimer
Structure, for material to be positioned over belt conveyor；The flow detector of bucket wheel machine includes at least：Laser scanner, is arranged at
The top of belt conveyor, for scanning the profile of the material transmitted on belt conveyor；Control circuit, with laser scanner and taking
Expect that mechanism is electrically connected, for receiving the electric signal of laser scanner generation, and adjust the feeding speed of material fetching mechanism.
Further, material fetching mechanism includes：Bucket-wheel mechanism, for obtaining material；Arm support, wherein, bucket-wheel mechanism is fixed and set
It is placed on arm support；Swing mechanism, for driving arm support to turn round in the horizontal direction, wherein, control circuit is electrically connected with swing mechanism,
For adjusting the gyrofrequency of arm support.
Further, swing mechanism includes：Pivoting support, for controlling arm support to perform rotary motion in the horizontal direction；Drive
Motivation structure, for driving pivoting support.
Further, driving mechanism is stepless speed regulation driving mechanism.
Further, ribbon conveyer is provided with arm support, one end of ribbon conveyer is disposed adjacent with bucket-wheel mechanism, separately
One end is disposed adjacent with belt conveyor, and ribbon conveyer is used to the material that bucket-wheel mechanism obtains being delivered to belt conveyor.
Further, which further includes：Running mechanism, is arranged at the bottom of bucket wheel machine, for performing bucket wheel machine
It is mobile.
Further, which further includes：Belt anti-deviation mechanism, for preventing belt conveyor sideslip.
In the utility model embodiment, skin is being conveyed by being arranged at the laser scanner scans of top of belt conveyor
The profile of the material of transmission is taken, laser scanner is received by the control circuit being electrically connected with laser scanner and material fetching mechanism
The electric signal of generation, and the feeding speed of material fetching mechanism is adjusted, solving the bucket wheel machine in correlation technique can not control exactly
The technical problem of the flow of material, so realize can make material transmitting device exactly the flow of control material technology effect
Fruit.
Brief description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and forms the part of the application,
The schematic description and description of the utility model is used to explain the utility model, does not form to the improper of the utility model
Limit.In the accompanying drawings：
Fig. 1 is the schematic diagram according to a kind of flow detector of optional bucket wheel machine of the utility model embodiment；
Fig. 2 is the schematic diagram according to a kind of optional bucket wheel machine of the utility model embodiment.
Embodiment
It is real below in conjunction with the utility model in order to make those skilled in the art more fully understand the utility model
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model part, instead of all the embodiments.Based on the reality in the utility model
Apply example, those of ordinary skill in the art's all other embodiments obtained without making creative work, all should
When the scope for belonging to the utility model protection.
It should be noted that term " first " in the specification and claims of the utility model and above-mentioned attached drawing,
" second " etc. is for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so
The data used can exchange in the appropriate case, can be with except at this so as to the embodiment of the utility model described herein
In diagram or description those beyond order implement.In addition, term " comprising " and " having " and their any deformation, meaning
Figure is to cover non-exclusive include.
Embodiment 1
This application provides a kind of embodiment of the flow detector of bucket wheel machine.
Fig. 1 is according to a kind of schematic diagram of the flow detector of optional bucket wheel machine of the utility model embodiment, such as
Shown in Fig. 1, bucket wheel machine includes belt conveyor 10 and material fetching mechanism 20, and the flow detector of bucket wheel machine includes laser scanner 30
With control circuit 40.
Wherein, belt conveyor is used for transmission material, and belt can be passed by the drives edge preset direction of leather belt driving mechanism
Dynamic, frictional force of the material between belt causes material to be driven with belt.
Material fetching mechanism is used to material being positioned over belt conveyor, and optionally, material fetching mechanism is arranged at the one of belt conveyor
End, as shown in Figure 1, material fetching mechanism can be any type of mechanism, for example, being placed material by way of capturing and discharging
Mechanism on to belt conveyor, alternatively, material to be crawled to mechanism on belt conveyor, etc. by bucket-wheel mechanism.
Laser scanner is arranged at the top of belt conveyor, for scanning the profile of the material transmitted on belt conveyor,
Specifically, laser scanner includes optical sensor unit, optical sensor unit towards the direction of belt conveyor, wherein, laser is swept
The scanning range for retouching instrument could be provided as covering the region that material is transmitted on belt, and optionally, the setting of scanning range can
To be controlled to adjust by software program, it is preferred that the scanning range of laser scanner can pass through laser scanner and conveying skin
The distance between band determines that specifically, laser scanner can be fixedly installed on mechanical arm, and mechanical arm is used to control
Laser scanner in the vertical direction moves, to adjust the scanning range of laser scanner.Further, laser scanner may be used also
To be fixedly installed on including holder and holder driving mechanism, optical sensor unit on holder, holder is used to control optical sensing portion
The direction of part, holder driving mechanism are used to drive holder.
Control circuit is electrically connected with laser scanner and material fetching mechanism, for receiving the electric signal of laser scanner generation,
And adjust the feeding speed of material fetching mechanism.Specifically, the foundation that control circuit adjusts the feeding speed of material fetching mechanism is basis
The electric signal that laser scanner produces, laser scanner are used for the profile for scanning material, are judged according to the size of profile current defeated
The uninterrupted of the material on belt is sent, and is existed to the electric signal that control circuit output scanning material profile obtains, control circuit
Judge to turn down the feeding speed of material fetching mechanism according to electric signal when the flow on belt conveyor is excessive, to slow down to belt conveyor
The upper speed for placing material, reduces the mass flow on belt conveyor, conversely, control circuit is being judged to convey according to electric signal
Flow on belt heightens the feeding speed of material fetching mechanism when too small, to increase the speed to placement material on belt conveyor, increase
Mass flow on big belt conveyor.
A kind of embodiment of the above-described embodiment under application scenarios is described below：
Laser scanner is installed above belt conveyor, and the scanning range of laser scanner is set, enables scanner
The region that material is transmitted on belt conveyor is covered, control circuit is established the coordinate system using laser scanner as origin, will be received
The profile information of material that collects of laser scanner be converted into point in coordinate system, and the coordinate of binding site calculates material
The area of profile.
Wherein, the process of control circuit calculating mass flow is as follows：The contour area measured when control circuit is by empty belt
Reference area is defined as, obtaining for reference area can use the method for repeatedly measuring and being averaged.In belt conveyor operation
Among process, belt conveyor is had to sectional area during material compared with reference area, the difference of both obtained sectional areas is i.e.
For the sectional area of material.Optionally, the scan frequency that laser scanner is set, 10HZ is usually could be provided as according to field condition
~50HZ.Control circuit averages the measured value in the unit interval, obtains the average cross-section in the unit interval, sectional area
With the product of the belt transport distance in the unit interval, it is the conveying capacity in the unit interval, according to the variable, can calculates
The instantaneous delivery and integrated flow of belt conveyor transmission.Generally speaking, control circuit is mainly gone out using laser scanner scans
The profile of material is transmitted on belt conveyor, and by the profile compared with the profile of empty belt, draws the section of transmission material
The product of product, sectional area and transmission speed is current instantaneous delivery.
The occurrence of sideslip is had in transmitting procedure due to belt conveyor, when the serious sideslip of belt, if laser
The scanning range of scanner cannot be changed automatically, and the profile that can cause to scan changes, and then makes reference area
Change, if control circuit is continuing with original reference area and calculates, can obtain the measurement result of mistake.For this feelings
The generation of condition, belt anti-deviation mechanism (belt deviation adjusting device) can be installed on belt, prevents belt deviation, still, belt
Running deviation preventing mechanism usually can effectively prevent the occurrence of weight sideslip, the generation of slight sideslip or inevitable, for light
Sideslip situation, suitably can set the scanning range of laser scanner smaller.Because the process of belt conveyor transmission material is worked as
In, material will not reach the edge of belt conveyor, and the scanning range of laser scanner can be arranged to covering material but not
Whole belt can be covered, can thus overcome influence of the light sideslip to measurement result.Another method is to increase laser to sweep
The scanning range of instrument is retouched, is that scanning range exceeds belt region, scanning profile is analyzed by control circuit, only intercepts skin
Profile with part is calculated, so it is possible to prevente effectively from influence of the sideslip to measurement result.Above-mentioned adjusting laser scanner
The mode of scanning range can be adjusted by the movement of the mechanical arm in the vertical direction of fixed laser scanner.
The embodiment transmits material by belt conveyor, and material is positioned on belt conveyor by material fetching mechanism, is passed through
The profile for the material that the laser scanner scans of the top of belt conveyor are transmitted on belt conveyor is arranged at, by being swept with laser
Retouch the control circuit that instrument and material fetching mechanism are electrically connected and receive the electric signal that laser scanner produces, and adjust the feeding of material fetching mechanism
Speed, solve bucket wheel machine in correlation technique can not the flow of control material exactly technical problem, and then realize energy
Enough make the technique effect of the material transmitting device flow of control material exactly.
Embodiment 2
Present invention also provides a kind of embodiment of bucket wheel machine.
Bucket wheel machine is called bucket-wheel stacker reclaimer, is the high-efficiency appliance that the large bulk material of modernization industry continuously loads and unloads, can
With applied to the bulk cargos such as harbour, harbour, metallurgy, cement, steel plant, coke-oven plant, coal storage plant, power plant (ore, coal, coke, sand
Stone) storage stock ground stacking and taking operation.
It should be noted that the bucket wheel machine includes the flow detector of bucket wheel machine provided by the utility model, wherein, bucket
Turbine includes at least：Belt conveyor, is used for transmission material；Material fetching mechanism, for material to be positioned over belt conveyor；Bucket wheel machine
Flow detector include at least：Laser scanner, is arranged at the top of belt conveyor, is uploaded for scanning in belt conveyor
The profile of defeated material；Control circuit, is electrically connected with laser scanner and material fetching mechanism, for receiving laser scanner generation
Electric signal, and adjust the feeding speed of material fetching mechanism.
Fig. 2 is according to a kind of schematic diagram of optional bucket wheel machine of the utility model embodiment, as shown in Fig. 2, bucket wheel machine
Including belt conveyor 10 and laser scanner 30.
As shown in Fig. 2, material fetching mechanism includes bucket-wheel mechanism 21 and arm support 22, bucket-wheel mechanism is used to obtain material, bucket wheel machine
Structure can be rotated around the center of circle.Bucket-wheel mechanism includes bucket wheel and at least one scraper bowl, and at least one scraper bowl is arranged on bucket wheel (Fig. 2
Not shown in), scraper bowl is used for the shovel when bucket wheel rotates and takes material, such as coal cinder.
Bucket-wheel mechanism is fixedly installed on arm support, and arm support can also be turned round, specifically in the horizontal direction with elevating movement
, material fetching mechanism further includes swing mechanism (not shown in Fig. 2), and swing mechanism is used to drive arm support to turn round in the horizontal direction, its
In, control circuit is electrically connected with swing mechanism, for adjusting the gyrofrequency of arm support.Ribbon conveyer, band are provided with arm support
One end of formula conveyer is disposed adjacent with bucket-wheel mechanism, and the other end is disposed adjacent with belt conveyor, and ribbon conveyer is used for will bucket
The material that wheel mechanism obtains is delivered on belt conveyor.
Further, swing mechanism can include pivoting support and driving mechanism, and pivoting support is used to control arm support in water
Square to perform rotary motion, driving mechanism be used for drive pivoting support.Preferably, driving mechanism is stepless speed regulation driving machine
Structure.
Further, which can also include running mechanism, and running mechanism is arranged at the bottom of bucket wheel machine, for holding
The movement of row bucket wheel machine.
It is possible to further install belt anti-deviation mechanism (belt deviation adjusting device) on belt, belt deviation is prevented.
Bucket wheel machine provided by the embodiments of the present application has two kinds of operating types of windrow and feeding.Bucket wheel machine is in windrow, by defeated
Send the bulk cargo that belt ships to unload the ribbon conveyer to arm support through trailer, throw and unloaded to stock ground from arm support front end.Pass through complete machine
Operation, the rotary motion of arm support in the horizontal direction, and the elevating movement of arm support, can make material heap form the neat of trapezoidal cross-section
Shape.In feeding, by the rotary motion of arm support and the continuous rotation feeding of bucket wheel, material is unloaded to anti-bucket wheel machine through stripper
To on the ribbon conveyer of the arm support of operation, then unload to stock ground ribbon conveyer and transport through the funnel below at machine center, lead to
The operation of complete machine, the rotary motion of arm support in the horizontal direction, and the elevating movement of arm support are crossed, bucket wheel can be made by stock pile
Material is exhausted.
As a kind of embodiment of optional bucket wheel machine of above-described embodiment, bucket wheel machine include bucket-wheel mechanism, running mechanism,
The components such as swing mechanism, ribbon conveyer, trailer, pitching, water spray dedusting, Windproof anti-lightning ground connection, counterweight, gate seat.
Running mechanism bottom is equipped with wheel, it is possible to achieve walking of the bucket wheel machine on fixed rail, travel distance is according to rail
Depending on the length in road, the number of wheel according to the weight of site Planning come fixed, each wheel by two wheel bogie frames, four, six,
8th, ten, 16 equalizer bars realize the connection with gate seat.
Bucket-wheel mechanism is the operating mechanism of feeding, including bucket wheel and its driving device.
Bucket wheel divides unformatted, half form and has form.
The scraper bowl of unformatted bucket wheel does not struggle against bottom, is blocked in non-discharge zone with the circular arc baffle being fixed on arm support in bucket
Bulk cargo, bulk cargo slide on circular arc baffle.No circular arc baffle in discharge zone and have a fixed inclined chute.When scraper bowl with
When wheel body is rotated to discharge zone, material is slided on ribbon conveyer under Gravitative Loads through inclined chute in bucket.Unformatted bucket wheel
Discharging section is big, thus bucket wheel rotating speed is higher, can improve work capacity, can unload relatively viscous material.
The structure of half form bucket wheel is similar to the structure of unformatted bucket wheel, and headwall simply is extended one section to bucket wheel center,
Increase the distance between circular arc baffle and wheel body, to reduce the possibility to get stuck between circular arc baffle and wheel body.
The bucket bottom for having each scraper bowl of form bucket wheel is a fan-shaped inclined chute, but has fixed side in non-discharge zone
Baffle.After scraper bowl is rotated to certain altitude with wheel body, bulk cargo starts along fan-shaped inclined chute to bucket wheel central slide, scraper bowl in bucket
After reaching discharge zone, since no side shield stops, bulk cargo is slided on ribbon conveyer through inclined chute, stripper.There is form bucket
Wheel discharging is slow, needs larger bucket wheel diameter, but not produces the phenomenon that gets stuck, suitable for hard material.
It is most with unformatted application in three kinds of bucket wheels.The kind of drive of bucket wheel has two kinds of machinery and hydraulic pressure, is generally not required to adjust
Speed.
Swing mechanism includes pivoting support and driving mechanism, and swing mechanism is turning round arm support or so.To ensure arm support
The shovel that struggles against when at an arbitrary position can be filled, the rotational speed of swing mechanism in the range of 0.01~0.2 rev/min according to certain rules
Realize that automatic stepless is adjusted.Dc motor or hydraulic-driven can be used.
Ribbon conveyer is arranged on arm support, for conveying material.In windrow, material extracting operation, ribbon conveyer it is defeated
Send with using opposite traffic direction.
Trailer is the mechanism that stock ground ribbon conveyer and bucket wheel machine link together.The conveyer belt of stock ground ribbon conveyer
Around two rollers in trailer rack, S-shaped trend, so as to which material is transported to bucket by stock ground ribbon conveyer in windrow
Turbine gets on.
Luffing mechanism and travelling mechanism mechanism corresponding with gantry crane are similar.
Water spray dedusting mechanism is used to prevent dust, when the material that heap takes is powdered, it is necessary to dedusting mechanism of spraying water
Spray water, supply water on attached aisle equipped with huge tanks.Dedusting mechanism of spraying water is isolated operation.
Windproof anti-lightning earthed system is the overall operation and peace for being used to adjust or control in strong wind, heavy rain weather bucket wheel machine
Full protection system.
Weighting system is used to balance bucket-wheel mechanism, can use reinforced concrete structure, pouring molding when general assembly, incidentally
Mechanism bucket wheel arm, can be classified as in beam mechanism.
Gate seat is to connect equalizer bar and the intermediate member of top revolution in running mechanism, and the realization of revolution action is referring to revolution
Mechanism.
The order of above-mentioned the embodiment of the present application does not represent the quality of embodiment.
Wherein, embodiments described above is only schematical, in all embodiments of the application, to each reality
The description for applying example all emphasizes particularly on different fields, and does not have the part being described in detail in some embodiment, may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, can be real by another way
It is existing.
The above is only the preferred embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (10)
- A kind of 1. flow detector of bucket wheel machine, it is characterised in that described device is applied to bucket wheel machine,The bucket wheel machine includes：Belt conveyor, is used for transmission material；Material fetching mechanism, it is described defeated for the material to be positioned over Send on belt；Described device includes：Laser scanner, is arranged at the top of the belt conveyor, for scanning in the belt conveyor The profile of the material of transmission；Control circuit, is electrically connected with the laser scanner and the material fetching mechanism, described sharp for receiving The electric signal that photoscanner produces, and adjust the feeding speed of the material fetching mechanism.
- 2. device according to claim 1, it is characterised in that the laser scanner includes optical sensor unit, described Optical sensor unit is towards the direction of the belt conveyor.
- 3. the apparatus of claim 2, it is characterised in that the laser scanner further includes holder and holder driving machine Structure, the optical sensor unit are fixedly installed on the holder, and the holder is used for the court for controlling the optical sensor unit To the holder driving mechanism is used to drive the holder.
- 4. device according to claim 3, it is characterised in that the laser scanner is fixedly installed on mechanical arm, The mechanical arm is used to control the laser scanner at least being capable of in the vertical direction movement.
- 5. a kind of bucket wheel machine, it is characterised in that the bucket wheel machine includes the bucket wheel machine described in any one of claims 1 to 4 Flow detector,Wherein, the bucket wheel machine includes at least：Belt conveyor, is used for transmission material；Material fetching mechanism, for the material to be placed In on the belt conveyor；Described device includes at least：Laser scanner, is arranged at the top of the belt conveyor, for scanning in the conveying skin Take the profile of the material of transmission；Control circuit, is electrically connected with the laser scanner and the material fetching mechanism, for receiving The electric signal of laser scanner generation is stated, and adjusts the feeding speed of the material fetching mechanism.
- 6. bucket wheel machine according to claim 5, it is characterised in that the material fetching mechanism includes：Bucket-wheel mechanism, for obtaining the material；Arm support, wherein, the bucket-wheel mechanism is fixedly installed on the arm support；Swing mechanism, for driving the arm support to turn round in the horizontal direction, wherein, the control circuit and swing mechanism electricity Connection, for adjusting the gyrofrequency of the arm support.
- 7. bucket wheel machine according to claim 6, it is characterised in that the swing mechanism includes：Pivoting support, for controlling the arm support to perform rotary motion in the horizontal direction；Driving mechanism, for driving the pivoting support.
- 8. bucket wheel machine according to claim 7, it is characterised in that the driving mechanism is stepless speed regulation driving mechanism.
- 9. bucket wheel machine according to claim 6, it is characterised in that ribbon conveyer, the band are provided with the arm support One end of formula conveyer is disposed adjacent with the bucket-wheel mechanism, and the other end is disposed adjacent with the belt conveyor, and the belt is defeated Machine is sent to be used to the material that the bucket-wheel mechanism obtains being delivered to the belt conveyor.
- 10. bucket wheel machine according to claim 5, it is characterised in that the bucket wheel machine further includes：Belt anti-deviation mechanism, for preventing the belt conveyor sideslip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721239527.5U CN207242983U (en) | 2017-09-25 | 2017-09-25 | The flow detector of bucket wheel machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721239527.5U CN207242983U (en) | 2017-09-25 | 2017-09-25 | The flow detector of bucket wheel machine |
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| CN207242983U true CN207242983U (en) | 2018-04-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112506193A (en) * | 2020-11-27 | 2021-03-16 | 华能国际电力股份有限公司上海石洞口第二电厂 | Automatic monitoring protection system of cantilever type bucket wheel machine |
| CN113086572A (en) * | 2021-04-07 | 2021-07-09 | 中滦科技股份有限公司 | Electrical automatic control coal conveying device and method |
-
2017
- 2017-09-25 CN CN201721239527.5U patent/CN207242983U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112506193A (en) * | 2020-11-27 | 2021-03-16 | 华能国际电力股份有限公司上海石洞口第二电厂 | Automatic monitoring protection system of cantilever type bucket wheel machine |
| CN112506193B (en) * | 2020-11-27 | 2021-10-12 | 华能国际电力股份有限公司上海石洞口第二电厂 | Automatic monitoring protection system of cantilever type bucket wheel machine |
| CN113086572A (en) * | 2021-04-07 | 2021-07-09 | 中滦科技股份有限公司 | Electrical automatic control coal conveying device and method |
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