CN109319520A - A kind of material output-controlling device - Google Patents

A kind of material output-controlling device Download PDF

Info

Publication number
CN109319520A
CN109319520A CN201811348015.1A CN201811348015A CN109319520A CN 109319520 A CN109319520 A CN 109319520A CN 201811348015 A CN201811348015 A CN 201811348015A CN 109319520 A CN109319520 A CN 109319520A
Authority
CN
China
Prior art keywords
output
controller
sensing device
level
valve plate
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.)
Pending
Application number
CN201811348015.1A
Other languages
Chinese (zh)
Inventor
刘飞香
郑大桥
刘在政
王金锋
代青龙
孙春庆
时鹏云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway Construction Heavy Industry Group Co Ltd
Original Assignee
China Railway Construction Heavy Industry Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Railway Construction Heavy Industry Group Co Ltd filed Critical China Railway Construction Heavy Industry Group Co Ltd
Priority to CN201811348015.1A priority Critical patent/CN109319520A/en
Publication of CN109319520A publication Critical patent/CN109319520A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G65/00Loading or unloading
    • B65G65/30Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
    • B65G65/34Emptying devices
    • B65G65/40Devices for emptying otherwise than from the top
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G65/00Loading or unloading
    • B65G65/005Control arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Warehouses Or Storage Devices (AREA)

Abstract

The invention discloses a kind of material output-controlling devices, comprising: for the storing warehouse of storing and the valve plate device of the load for controlling storing warehouse, valve plate device is installed on storing warehouse discharge port.The application is adjusted load by adjusting the aperture of valve plate device, to control practical load, mass flow adjustable range is big, is suitable for the demand of various mass flows.

Description

A kind of material output-controlling device
Technical field
The present invention relates to materials-handling technology fields, more specifically to a kind of material output-controlling device.
Background technique
The mode of movement of material can be arranged using form feed bin storage material and transmitted below feed bin Belt feeder can be such that material is transmitted to during adding materials into feed bin using the outlet being set on feed bin To transmit material on belt feeder.
But since the load for being set to feed bin cannot be adjusted, material is directly born against on belt feeder, it is different Type material fluidity differs greatly, and certainly will have the limitation of mass flow control.
In the actual production process, since the load of feed bin is not adjustable, when matching big flow or small flow material sometimes Setting flow value is not achieved, is not able to satisfy conveying capacity requirement, seriously constrains conveying ingredient efficiency.
In conclusion how to carry out control to the load of feed bin, to be that current those skilled in the art are urgently to be resolved asked Topic.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of material output-controlling devices that can control load.
To achieve the goals above, the invention provides the following technical scheme:
A kind of material output-controlling device, comprising: for the storing warehouse of storing and for controlling the storing warehouse The valve plate device of load, the valve plate device are installed on the storing warehouse discharge port.
Preferably, it is equipped with the level-sensing device for detecting material position in the storage bin body and connects with the level-sensing device signal The controller connect, the controller are tied for judging whether the material position is in the material position preset range, and according to judgement Fruit controls the practical load of the storing warehouse, and the controller and valve plate device control connect.
Preferably, the level-sensing device includes the lower level-sensing device being connected with the controller in a signal way., and the controller is also used to Reduce aperture when the material position controls the valve plate device lower than the lower material position timing, to reduce practical load.
Preferably, the level-sensing device further includes the upper level-sensing device being connected with the controller in a signal way., and the controller is also used In reducing aperture when the material position controls the valve plate device lower than the upper material position timing, to reduce practical load.
Preferably, the controller signals connect warning device, when the material position lower than lower level-sensing device or is higher than on described When level-sensing device, the controller control warning device is sounded an alarm.
Preferably, the controller is connected to the display for showing material position.
Preferably, the discharge port of the storing warehouse is connected with the output batcher for conveying material.
Preferably, the weighing for detecting the weight of material on the output batcher is provided on the output batcher Sensor, the load cell signal are connected to the controller, and the controller is also used to when on the output batcher Weight of material not in weight preset range when control the aperture of the valve plate device, and control it is described output batcher it is defeated Power out, to control practical load.
Preferably, the storing warehouse includes stock bin body and the hopper for being installed on the stock bin body bottom, the discharge port It is set to the bottom of the hopper, the quantity of the hopper is at least two.
Preferably, the output batcher is Belt Conveying batcher.
A kind of material output-controlling device provided herein, comprising: for the storing warehouse of storing and for controlling The valve plate device of the load of the storing warehouse, the valve plate device are installed on the storing warehouse discharge port.The application is logical Load is adjusted in the aperture for overregulating valve plate device, to control practical load, mass flow adjustable range is big, can Adapt to the demand of various mass flows.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.
Fig. 1 is the schematic diagram of material output-controlling device provided herein.
The upper level-sensing device of 1-, 2- stock bin body, level-sensing device under 3-, 4- hopper, 5- valve plate device, 6- export batcher, 7- storing Warehouse.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Core of the invention is to provide a kind of material output-controlling device that can control load.
Referring to FIG. 1, Fig. 1 is the schematic diagram of material output-controlling device provided herein.
A kind of material output-controlling device, comprising: for the storing warehouse 7 of storing and for controlling going out for storing warehouse 7 The valve plate device 5 of doses, valve plate device 5 are installed on 7 discharge port of storing warehouse.
It should be noted that the shape of storing warehouse 7 herein can using rectangular, it is of course also possible to use prismatic table shape, The shape of storing warehouse 7 is not specifically limited herein, all shapes that can be used for storing are all included in the protection model of the application In enclosing.
The position of 7 discharge port of storing warehouse can be set to the lower section of storing warehouse 7 herein, and specific location can be storing The bottom surface of warehouse 7 also can be set in the other positions of storing warehouse 7 when necessary, for example be set to the side bottom of storing warehouse 7 Portion, but such setting when causing material fluidity very poor, can not carry out lateral flow when material is by discharge port output at all It is dynamic.
When storing warehouse 7 is in level, discharge port is set to the bottom surface of storing warehouse 7 and is horizontally disposed with, while making valve Panel assembly 5 is also horizontally placed on discharge port face, by controlling the aperture of valve plate device 5, to control material by storing warehouse 7 The amount of output, it is one of setting form that horizontal valve plate device 5 is arranged herein, can also suitably tilt installation, valve plate The inclination angle range in direction and horizontal direction that device 5 is arranged is between 0 °~90 °.
Valve plate device 5 can be to manually control herein, or automatically controlled driving generallys use the mode of automatically controlled driving more Add accurately, operates the control system of automatically controlled driving, all multi-parameters can be set to change the aperture of valve plate device 5, such as valve plate Angle of the valve plate of device 5 relative to the offset of discharge port or the valve plate of valve plate device 5 relative to horizontal rotation.
The application is adjusted load by adjusting the aperture of valve plate device 5, to control practical load, material Flow adjustment range is big, is suitable for the demand of various mass flows.
On the basis of the above embodiments, level-sensing device, the Yi Jiyu for detecting material position can be equipped in storing warehouse 7 The controller of level-sensing device signal connection, controller are tied for judging whether material position is in material position preset range, and according to judgement Fruit controls the practical load of storing warehouse 7, and controller and the control of valve plate device 5 connect.
It should be noted that material position preset range is manually to determine according to actual needs, it is not limited to a certain specific model It encloses, it is separated by a distance that material position preset range can be institute between more than two level-sensing devices, for example, setting two level-sensing devices When, one can be set in discharge port adjacent upper part, but for storing warehouse 7 can be the lower part of storage bin body 7, Another is set in the top of storing warehouse 7, and the distance between two level-sensing devices are material position preset range;Material position preset range It is also possible on the high charge level and the range under low material position.
It should be noted that one of specific embodiment that above content includes by the technical solution in the application, This programme itself is not represented, material position count number and position are not defined.
When material position is in material position preset range or is in outside material position range, level-sensing device can all be sent a signal to and it The controller of connection, controller makes corresponding judgement according to the signal that level-sensing device transmits, and is controlled accordingly according to judging result The practical load of storing warehouse 7 processed controls the aperture of valve plate to control practical load.
For the present embodiment by level-sensing device being arranged in storing warehouse 7 to detect Realtime Level, measurement result is accurately reliable, and Valve plate device 5 is controlled using controller, to control practical load, controller is electric control gear, controls opening for valve plate Degree is accurate, accurately to control practical load.
In a kind of specific embodiment about level-sensing device, level-sensing device includes the lower level-sensing device connecting with controller signals 3, controller is also used to the control valve plate device 5 when material position is lower than lower level-sensing device 3 and reduces aperture, to reduce practical load.
It should be noted that lower level-sensing device 3 can be set in the top of discharge port, when material position be reduced to lower level-sensing device 3 with When lower, controller can be used for judging whether the signal that lower level-sensing device 3 is sent is that storing warehouse 7 is in scarce material state, and controls Valve plate device 5 reduces aperture, to reduce the practical load of storing warehouse 7.
The present embodiment can prevent the load of storing warehouse 7 from excessively leading by the way that lower 3 real-time detection material position of level-sensing device is arranged The case where causing 7 fracture of storing warehouse.
On the basis of the above embodiments, level-sensing device further includes the upper level-sensing device 1 connecting with controller signals, and controller is also For when material position is lower than upper level-sensing device 1, control valve plate device 5 to reduce aperture, to reduce practical load.
It should be noted that upper level-sensing device 1 can be set in the top of storing warehouse 7, when material position rises to upper level-sensing device 1 When above, controller can be used for judging whether the signal that upper level-sensing device 1 is sent is that storing warehouse 7 is in completely material state, and controls Valve plate device 5 processed increases aperture, to increase the practical load of storing warehouse 7.
The present embodiment can prevent the load of storing warehouse 7 is less to lead by the way that upper 1 real-time detection material position of level-sensing device is arranged The case where causing 7 flash of storing warehouse.
On the basis of the above embodiments, controller can connect warning device with signal, when material position lower than lower level-sensing device 3 or When higher than upper level-sensing device 1, controller control warning device is sounded an alarm.
It should be noted that can be sent out according to material position the signalling alarm equipment that upper level-sensing device 1 or lower level-sensing device 3 are sent Alarm out;Warning device can be the warning device of warning lamp, siren or other forms, when material position is lower than lower level-sensing device 3 or high When upper level-sensing device 1, control device controls warning device according to material position information and sounds an alarm, and staff can see according to alarm The position of material position in storing warehouse 7 is surveyed, and when material position is lower than lower level-sensing device 3, increases the amount to feed into storing warehouse 7, When material position is higher than upper level-sensing device 1, the amount to feed into storing warehouse 7 is reduced.
The present embodiment controls be connected with warning device on the controller, and staff can judge material position according to alarm, To change the amount to feed into storing warehouse 7, so that having further prevented the load of storing warehouse 7 excessively leads to storage bin The load of the case where 7 fracture of body or storing warehouse 7 less the case where leading to storing 7 flash of warehouse.
Certainly, control device is not limited solely to connection warning device, and controller is also connected to for showing material position Display, staff is determining whether material position is in normal condition according to the material position of display, to adjust in storage bin Doses.
On the basis of the above embodiments, the output for conveying material can be connected in the discharge port of storing warehouse 7 Batcher 6.
It should be noted that output batcher 6 can be frequency conversion drive formula batcher, change actually to go out in storing warehouse 7 In the case where doses, batcher 6 is exported in the case where original actual power, and the output doses of output batcher 6 increases, and passes through The output power of the frequency conversion drive machine control output batcher 6 of control output batcher 6, and then adapt to reality output doses.
The present embodiment, which connects output batcher 6 in discharge port, keeps material transportation process more convenient, reduces labour, makes Material transferring becomes more to automate.
Preferably, the weighing and sensing being provided on batcher 6 for detecting the weight of material on output batcher 6 is exported Device, load cell signal are connected to controller, and controller is also used to when the weight of material on output batcher 6 is not pre- in weight If controlling the aperture of valve plate device 5 when in range, and the output power of output batcher 6 is controlled, to control practical load.
It should be noted that weighing sensor can be set to the form of hoist, i.e. weighing sensor slings output feed Machine 6 weighs up the total weight of machine and material, and the net weight for then subtracting output batcher 6 may know that the weight of material.
Weighing sensor feeds back the weight of material measured to controller, the aperture of controller control valve panel assembly 5, with Practical load is controlled, and controls the output power of output batcher 6, the material for enabling storing warehouse 7 to export transmits in time To next station, i.e., when the weight of material of detection is lower than in weight preset range, illustrate when the material deficiency on front conveyor, It needs to carry out feed supplement, so controller control valve panel assembly 5 increases aperture to increase load, and increases output batcher 6 Output power;Similarly, when the weight of material of detection is higher than in weight preset range, illustrate when the material mistake on front conveyor Amount, it is desirable to reduce output doses, controller control valve panel assembly 5 reduce aperture to reduce load, and reduce output batcher 6 Output power.
Wherein, weight preset range is to be manually set, and not a certain fixed range, weight preset range can be according to practical need It asks and is adjusted, i.e., when the amount of demand material increases, adjustable weight preset range is larger range, when demand material When amount is reduced, adjustable weight preset range is smaller range.
The present embodiment is compared using the weight of material on output batcher 6 with weight preset range, and passes through control Device changes the aperture of valve plate device 5 and the output power of control output batcher 6 adjusts model to control the amount of outputting material It encloses greatly, is suitable for various materials demand, high degree of automation reduces manual labor.
On the basis of the above embodiments, storing warehouse 7 may include stock bin body 2 and the material for being installed on 2 bottom of stock bin body Bucket 4, discharge port can be set in the bottom of hopper 4, and the quantity of hopper 4 is at least two.
It should be noted that hopper 4 generally passes the material in stock bin body 2 using inverted cone-shaped structure, hopper 4 Quantity can be at least two, level-sensing device can be set above corresponding hopper 4, so as to detect on each hopper 4 The material position of side.
Hopper 4 can be evenly distributed on the bottom surface of stock bin body 2, it is preferred that the area that hopper 4 covers is stock bin body 2 Floor space can make material all in stock bin body 2 uniformly fall and leave without generating.
The present embodiment is discharged simultaneously by least two hopper 4 of in feed bin bottom setting, improves production efficiency.
In a kind of specific embodiment about output batcher 6, output batcher 6 can be fed for Belt Conveying Machine.
Belt Conveying batcher has conveying capacity strong, and conveying distance is remote, and structure is simply easy to maintain, can easily carry out The features such as Programmed control and automatic operation, in addition to this, Belt Conveying batcher operation high speed, steady, low noise, and can It is vdiverse in function with the transmission with certain slope.
Optionally, output batcher 6 can also be oscillating feeder, reliable operation, noise be low, less energy-consuming, without slug Phenomenon, the service life is long, maintenance is convenient, light-weight, small in size, equipment adjusts easy for installation, good combination property.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Material output-controlling device provided by the present invention is described in detail above.It is used herein specifically a Principle and implementation of the present invention are described for example, and it is of the invention that the above embodiments are only used to help understand Method and its core concept.It should be pointed out that for those skilled in the art, not departing from the principle of the invention Under the premise of, it can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the claims in the present invention Protection scope in.

Claims (10)

1. a kind of material output-controlling device characterized by comprising for the storing warehouse (7) of storing and for controlling The valve plate device (5) of the load of storing warehouse (7) is stated, the valve plate device (5) is installed on storing warehouse (7) discharging Mouthful.
2. material output-controlling device according to claim 1, which is characterized in that be equipped with and use in the storing warehouse (7) In the controller for detecting the level-sensing device of material position and connecting with the level-sensing device signal, the controller is for judging the material Whether position is in material position preset range, and the practical load of the storing warehouse (7), the control are controlled according to judging result Device processed and the valve plate device (5) control connect.
3. material output-controlling device according to claim 2, which is characterized in that the level-sensing device includes and the control The lower level-sensing device (3) of device signal connection, the controller are also used to control institute when the material position is lower than lower level-sensing device (3) It states valve plate device (5) and reduces aperture, to reduce practical load.
4. material output-controlling device according to claim 3, which is characterized in that the level-sensing device further includes and the control The upper level-sensing device (1) of device signal connection processed, the controller are also used to control when the material position is lower than upper level-sensing device (1) The valve plate device (5) reduces aperture, to reduce practical load.
5. material output-controlling device according to claim 4, which is characterized in that the controller signals connection alarm dress It sets, when the material position is lower than lower level-sensing device (3) or is higher than upper level-sensing device (1), the controller control warning device hair Alarm out.
6. material output-controlling device according to claim 4, which is characterized in that the controller is connected to for showing The display of material position.
7. material output-controlling device according to claim 1, which is characterized in that the discharge port of the storing warehouse (7) It is connected with the output batcher (6) for conveying material.
8. material output-controlling device according to claim 7, which is characterized in that be arranged on the output batcher (6) There is the weighing sensor for detecting the weight of material on output batcher (6), the load cell signal is connected to The controller, the controller are also used to when the weight of material on output batcher (6) is not in weight preset range When control the aperture of the valve plate device (5), and the output power of output batcher (6) is controlled, with the practical discharging of control Amount.
9. according to claim 1 to material output-controlling device described in 8 any one, which is characterized in that the storing warehouse It (7) include stock bin body (2) and the hopper (4) for being installed on the stock bin body (2) bottom, the discharge port is set to the hopper (4) bottom, the quantity of the hopper (4) are at least two.
10. material output-controlling device according to claim 9, which is characterized in that the output batcher (6) is belt Convey batcher.
CN201811348015.1A 2018-11-13 2018-11-13 A kind of material output-controlling device Pending CN109319520A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811348015.1A CN109319520A (en) 2018-11-13 2018-11-13 A kind of material output-controlling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811348015.1A CN109319520A (en) 2018-11-13 2018-11-13 A kind of material output-controlling device

Publications (1)

Publication Number Publication Date
CN109319520A true CN109319520A (en) 2019-02-12

Family

ID=65260217

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811348015.1A Pending CN109319520A (en) 2018-11-13 2018-11-13 A kind of material output-controlling device

Country Status (1)

Country Link
CN (1) CN109319520A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110538856A (en) * 2019-07-01 2019-12-06 中国建筑一局(集团)有限公司 Intelligent matching buffer bin and construction waste treatment production line

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3716047C2 (en) * 1987-05-14 1989-11-30 Behn Maschinenfabrik Gmbh & Co Kg, 4150 Krefeld, De
CN2658681Y (en) * 2003-11-14 2004-11-24 中国冶金建设集团鞍山冶金设计研究总院 Caustic lime pneumatic transfer storage, blending device for sintering
CN1637396A (en) * 2003-02-24 2005-07-13 北京中乾机电设备有限责任公司 Objective nuclear scale calibrating system and its automatic calibration method
CN103287868A (en) * 2012-03-02 2013-09-11 扬州龙锦涂装环保设备有限公司 Adding medicine chamber
CN103625941A (en) * 2013-11-14 2014-03-12 攀钢集团研究院有限公司 Powdery material feeding system and method
CN105839498A (en) * 2016-03-29 2016-08-10 南方高科工程技术有限公司 Metering device for addition quantity of asphalt cold recycling powder materials
CN205442056U (en) * 2016-03-25 2016-08-10 北新集团建材股份有限公司 Feed automatic control system is stabilized to gypsum board
CN205499921U (en) * 2016-04-05 2016-08-24 梁斌 Storage tank position in storehouse alarm device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3716047C2 (en) * 1987-05-14 1989-11-30 Behn Maschinenfabrik Gmbh & Co Kg, 4150 Krefeld, De
CN1637396A (en) * 2003-02-24 2005-07-13 北京中乾机电设备有限责任公司 Objective nuclear scale calibrating system and its automatic calibration method
CN2658681Y (en) * 2003-11-14 2004-11-24 中国冶金建设集团鞍山冶金设计研究总院 Caustic lime pneumatic transfer storage, blending device for sintering
CN103287868A (en) * 2012-03-02 2013-09-11 扬州龙锦涂装环保设备有限公司 Adding medicine chamber
CN103625941A (en) * 2013-11-14 2014-03-12 攀钢集团研究院有限公司 Powdery material feeding system and method
CN205442056U (en) * 2016-03-25 2016-08-10 北新集团建材股份有限公司 Feed automatic control system is stabilized to gypsum board
CN105839498A (en) * 2016-03-29 2016-08-10 南方高科工程技术有限公司 Metering device for addition quantity of asphalt cold recycling powder materials
CN205499921U (en) * 2016-04-05 2016-08-24 梁斌 Storage tank position in storehouse alarm device

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
M.E.FAYED(美): "《粉体工程手册》", 31 August 1992, 化学工业出版社 *
耿建华,刘小球,胡云燕: "水泥厂入窑生料计量与控制系统", 《中国水泥》 *
赵晓东等: "《水泥中控操作员》", 28 February 2014, 中国建材工业出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110538856A (en) * 2019-07-01 2019-12-06 中国建筑一局(集团)有限公司 Intelligent matching buffer bin and construction waste treatment production line

Similar Documents

Publication Publication Date Title
CN101476931B (en) Dynamic full performance test system for multifunctional belt balance
CN112061801B (en) Material feeding system and method
CN211033818U (en) Powder material level measuring device
CN101554753B (en) Cement supply online calibration system of stable soil plant mix equipment
CN201335725Y (en) Intelligent multi-bucket electronic weighing device
CN103947596B (en) Weighing type feeder
CN204777438U (en) Novel proportion scales
CN109319520A (en) A kind of material output-controlling device
CN108627216A (en) A kind of cement bin material real-time monitoring device and monitoring method
CN205346205U (en) Solid material control system that prepares burden
CN208420144U (en) A kind of intelligence batching weighing device
CN206047060U (en) A kind of feeding system of casting battery grid
CN206566872U (en) Powder dosing system
US11971292B2 (en) Combinatorial weighing device
CN207948535U (en) A kind of auto-feeding system of rabbit
CN209995130U (en) feeding weighing device and feeding weighing system
CN115318193B (en) Aluminum fluoride and aluminum oxide mixing device for aluminum electrolysis cell and implementation method thereof
CN207128088U (en) A kind of high temperature declines the cooling device of low concrete out-of-machine temperature
CN206019803U (en) Two outlet batching scales
CN210496275U (en) Device of intelligent control filling material ratio
CN207566908U (en) A kind of dense media powder dystopy feeding machine
CN207567608U (en) A kind of asphalt mixing plant
CN218924923U (en) Sand making building capable of feeding stably
CN216449016U (en) Material metering device
CN212549419U (en) Intelligent control's continuous type bituminous mixture agitated vessel cold burden conveying system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Address after: 410100 No. 88 East 7 Line, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province

Applicant after: China Railway Construction Heavy Industry Co.,Ltd.

Address before: 410100 No. 88 East 7 Line, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province

Applicant before: China Railway Construction Heavy Industry Co.,Ltd.

CB02 Change of applicant information
RJ01 Rejection of invention patent application after publication

Application publication date: 20190212

RJ01 Rejection of invention patent application after publication