CN2632039Y - Disc material feeder for concrete mixer station - Google Patents
Disc material feeder for concrete mixer station Download PDFInfo
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- CN2632039Y CN2632039Y CN 03267545 CN03267545U CN2632039Y CN 2632039 Y CN2632039 Y CN 2632039Y CN 03267545 CN03267545 CN 03267545 CN 03267545 U CN03267545 U CN 03267545U CN 2632039 Y CN2632039 Y CN 2632039Y
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Abstract
The utility model discloses a feeding device for disk material of concrete mixing station, which comprises a measure bucket (3), a measurement sensor (4), and a transmission screw mechanism (13); the measurement bucket (3) is placed below the stores (1) of concrete mixing station; the measurement sensor (4) is arranged in the measurement bucket (3); the transmission screw mechanism (13) is below the measurement bucket (3); the lower cavity of measurement bucket (3) arranged a block plate which can prevent materials falling down; pluralities of leaves which can be filled with materials are fixedly connected with the baffle and the measurement bottom; the baffle can rotate while the leaves are fixedly connected; or the baffle is fixedly connected while the blades rotating; as the blocking of baffle and separation of leaves, the potential energy cannot promote material gravity; the gravity is eliminated completely; the automatic control system can accurately control the flow of materials. Thereby greatly improve the accuracy of the ratio of concrete and stability. The utility model has the advantages of convenient, practical with new design and excellent performance, notable social and economic benefits.
Description
1, technical field:
The utility model is a kind of material charging gear that is used for concrete mixing plant, belongs to the renovation technique of the used material charging gear of concrete mixing plant.
2, background technology:
Concrete mixing plant all needs to measure (weighing) to forming concrete raw material such as cement, fly ash, sandstone, water, additive or the like, be fed to by certain ratio requirement again and mix the up-to-standard cement concrete of formation in a mixing bowl, to guarantee the quality of various construction projects.The material charging gear that is used for concrete mixing plant at present as shown in figure 11, by weighing hopper (3), gage probe (4), metering screw mechanism (5) forms.Cement is sent into weighing hopper (3) automatically from cement (material) storehouse (1), by certain ratio requirement cement is sent into a mixing bowl (6) by metering screw (5), fully mixes the formation concrete finished product with various raw materials.
The rotating speed of above-mentioned metering screw is by the frequency converter automatically controlled by computing machine, because the size of spiral is fixed, the cement amount that certain rotating speed, regular hour screw mechanism (5) are sent is a unmodified, along with cement is constantly sent, cement in the weighing hopper reduces gradually, reduce to a certain numerical value, cement bin lower part outlet valve (2) is opened rapidly automatically, supply with enough cement raw materials to weighing hopper fast, automatic-closing valve then, so remain the materials of some in the weighing hopper.The ratio requirement that computing machine is set according to the staff, by the gage probe on the weighing hopper (4) (weighing balance) constantly calculate, the variation of weight in the recording gauge batch box, the rotating speed of constantly adjusting metering screw mechanism (5) by frequency converter is being controlled the cement output of weighing hopper automatically by ratio requirement.
But the above-mentioned material charging gear that is used for concrete mixing plant exists from flow phenomenon, is exactly when metering screw rotates from flow phenomenon, and cement is being pushed away outwards to flow by spiral and himself also flowing, and promptly the actual flow velocity of cement is greater than the flow velocity of spiral.The condition that forms gravity flow is the position that the position of materials such as cement, fly ash is higher than the metering screw outlet.As long as material has certain potential energy poor, just inevitable from flow phenomenon, and the layout of concrete mixing plant can have this potential difference, in addition all bigger, therefore just can not eliminate from flow phenomenon.In addition, friction force, adhesive ability etc. all play a part and can not look.Particularly under current intelligence, just more complicated when metering screw mechanism rotates from flow phenomenon, be subjected to a lot of fixing and unfixed factor affecting, its gravity flow speed is that change, unsettled, is an enchancement factor.
Because it is very serious from the influence of flow phenomenon, cause computing machine to be subjected to serious interference with the process that reaches its mass flow of control by the rotating speed of Frequency Converter Control metering screw mechanism, therefore cause concrete mixing plant in the market can not stablize the metering of the weight of material, flow and accurately, sometimes even can cause concrete proportioning out of control, so that produce very serious consequence.
3, summary of the invention:
The purpose of this utility model is to consider the problems referred to above and a kind of thorough elimination from flow phenomenon is provided, the assurance autonomous cruise speed system can accurately be controlled its mass flow, thereby has improved the disc type material charging gear that is used for concrete mixing plant of concrete distributing precision and stability greatly.The utility model has improved quality of concrete, and its social benefit and economic benefit are all more remarkable.
Structural representation of the present utility model as shown in Figure 1, include weighing hopper (3), gage probe (4), transmission screw mechanism (13), weighing hopper (3) places the below of the set material bin of concrete mixing plant (1), gage probe (4) is installed on the weighing hopper (3), transmission screw mechanism (13) places the below of weighing hopper (3), wherein the lower lumen of weighing hopper (3) is provided with and can intercepts last butterfly (18) and the following butterfly (15) that material falls, last butterfly (18) reaches down, and butterfly (15) is packed on the transmission shaft (5) of motor (2), and last butterfly (18) is provided with open region F, following butterfly (15) is provided with the open region K that staggers mutually with open region F, can intercept last butterfly (18) that material falls and down butterfly (15) corresponding overlay region Q and L are up and down arranged, last butterfly (18) and under be provided with between the butterfly (15) and be fixed on weighing hopper (3) headwall, the leaf grating ring of forming by some blades (17).
The position of the open region F that above-mentioned upward butterfly (18) is provided with is symmetrical with the position of the open region K that following butterfly (15) is provided with, and its aperture position differs 180 °.
Above-mentioned go up butterfly (18) intercept the G district that E district that material falls and following butterfly (15) obstruct material fall can be big or small identical, the size of the open region F that corresponding upward butterfly (18) is provided with and the open region K that following butterfly (15) is provided with also can be identical.
The below of above-mentioned weighing hopper (3) also can be fixed with fixed support (16).
Structural representation of the present utility model also can be as shown in Figure 7, include weighing hopper (3), gage probe (4), transmission screw mechanism (13), weighing hopper (3) places the below of the set material bin of concrete mixing plant (1), gage probe (4) is installed on the weighing hopper (3), transmission screw mechanism (13) places the below of weighing hopper (3), wherein the lower lumen of weighing hopper (3) is provided with the baffle plate (10) that can intercept material and fall, the bottom of weighing hopper (3) with the corresponding position of baffle plate (10) on be provided with material outlet (11), and be provided with between baffle plate (10) and weighing hopper (3) bottom and can allow material be full of therebetween circumferential uniform some blades (9) in edge, blade (9) is fastened on the impeller (7), and impeller (7) is connected with the transmission shaft (5) of motor (2).
Above-mentioned baffle plate (10) can be provided with 2～4, and material outlet (11) is corresponding to be provided with 2～4.
The outer end of above-mentioned blade (9) is provided with each blade to be coupled together and forms single-piece reinforced rib (8).
Also can be provided with material outlet valve (12) on the above-mentioned material outlet (11).
Be fixed with on the transmission shaft (5) of above-mentioned motor (2) some can be with the doctor blade holder (6) of its rotation.
The cross section on above-mentioned weighing hopper (3) top can be circle, also can be polygon, and the cross section of lower lumen is circular, and last butterfly (18), following butterfly (15) and baffle plate (10) can be made fan shape baffle or polygon baffle plate.
The utility model is owing to adopt the lower lumen of weighing hopper to be provided with can to intercept the structure of the baffle plate that material falls, and be provided with some blades that can be full of material between baffle plate and the weighing hopper bottom, wherein baffle plate is rotatable, vanes fixed is motionless, or baffle plate maintains static, blade rotation, because the barrier effect of baffle plate and the compartmentation of blade, the potential energy of material can't promote the material gravity flow, the phenomenon of its gravity flow is eliminated fully, the assurance autonomous cruise speed system can accurately be controlled its mass flow, thereby has improved concrete distributing precision and stability greatly.In addition, the utility model also adopts the structure that is provided with doctor blade holder, because doctor blade holder can rotate with blade, so can play the effect of broken caking, has increased the degree of uniformity of material, with further quantification stability and the precision that has improved charging gear.In addition, the utility model is designed to two outlets, and two material outlets are respectively equipped with valve again, thus flow (weight) scope of its metering is increased, so bigger Applicable scope is arranged.The utility model has improved quality of concrete, is that a kind of design is ingenious, and function admirable is convenient and practical, and social benefit and economic benefit all are used for the disc type material charging gear of concrete mixing plant more significantly.
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the A-A cutaway view among Fig. 1;
Fig. 3 is the B-B cutaway view among Fig. 1;
Fig. 4 is the C-C cutaway view among Fig. 1;
Fig. 5 is the block diagram of the utility model embodiment 1;
Fig. 6 turns over the block diagram of another angle for Fig. 5;
Fig. 7 is the structural representation of the utility model embodiment 2;
Fig. 8 is the A-A cutaway view among Fig. 7;
Fig. 9 is the block diagram of the utility model embodiment 2;
Figure 10 turns over the block diagram of another angle for Fig. 9;
Figure 11 is the structural representation of existing material charging gear.
5, the specific embodiment:
Embodiment 1:
Structural representation of the present utility model such as Fig. 1,2,3,4,5, shown in 6, include weighing hopper (3), gage probe (4), transmission screw mechanism (13), weighing hopper (3) places the below of the set material bin of concrete mixing plant (1), gage probe (4) is installed on the weighing hopper (3), transmission screw mechanism (13) places the below of weighing hopper (3), wherein the lower lumen of weighing hopper (3) is provided with and can intercepts last butterfly (18) and the following butterfly (15) that material falls, last butterfly (18) reaches down, and butterfly (15) is packed on the transmission shaft (5) of motor (2), and last butterfly (18) is provided with open region F, following butterfly (1 5) is provided with the open region K that staggers mutually with open region F, can intercept last butterfly (18) that material falls and down butterfly (15) corresponding overlay region Q and L are up and down arranged, last butterfly (18) and under be provided with between the butterfly (15) and be fixed on weighing hopper (3) headwall, the leaf grating ring of forming by some blades (17).Above-mentioned gage probe (4) is the strain bridge LOAD CELLS.
The position of the open region F that above-mentioned upward butterfly (18) is provided with is symmetrical with the position of the open region K that following butterfly (15) is provided with, and its aperture position differs 180 °.
Above-mentioned go up butterfly (18) intercept the G district that E district that material falls and following butterfly (15) obstruct material fall can be big or small identical, the size of the open region F that corresponding upward butterfly (18) is provided with and the open region K that following butterfly (15) is provided with also can be identical.
Caking for the automatic broken material of energy, avoid charging gear to make moist or long caking of storage period causes the phenomenon that can't turn round to take place because of material, be fixed with on the transmission shaft (5) of above-mentioned top of going up butterfly (18), motor (2) some can be with the doctor blade holder (6) of its rotation.
According to user's use needs, the cross section on above-mentioned weighing hopper (3) top can be circle, also can be polygon, and the cross section of lower lumen is circular, and last butterfly (18), following butterfly (15) and baffle plate (10) can be made fan shape baffle or polygon baffle plate.In the present embodiment, be convenient processing and install that the cross section of above-mentioned weighing hopper (3) be circular, corresponding go up butterfly (18) and under butterfly (15) make fan shape baffle.In the present embodiment, the E district that last butterfly (18) obstruct material falls is identical with the G district size that following butterfly (15) obstruct material falls, its angle is about 255 °, the open region F that last butterfly (18) is provided with is about 105 ° with the size of the open region K that following butterfly (15) is provided with, the position of the two is symmetrical, and promptly aperture position differs 180 °.The annular space that the leaf grating ring is made up of 20～30 blades, the little space of formation fixed measure can be full of about about 2～10 kilograms material between per 2 blades.
For guaranteeing transmission shaft (5) stability of rotation, above-mentioned weighing hopper (3) but the below also can be fixed with the fixed support (16) of supporting shaft (5).
During the utility model work, as shown in Figure 1, material is sent into weighing hopper (3) automatically from material bin (1), makes and remains enough materials in the weighing hopper, motor (2) drives two butterflys do rotations synchronously fixed thereon up and down by transmission shaft (5), and the leaf grating ring is fixed.
Last butterfly is that to fall into leaf grating ring (the little space that forms between blade) shield portions toward the material of weighing hopper be that the opening portion that E district (about about 255 °) is not blocked is that the obvious local material that forwards in the F district in F district (about 105 °) will fully be inserted leaf grating to retaining.
The opening F district of last butterfly is the material filling area, and the below in corresponding F district is the following G district of butterfly, and F district changes an angle, angle of the synchronous commentaries on classics in G district, and the G district of following butterfly seals and is asking the material in the leaf grating ring can not reveal away.Therefore must be full of material in the leaf grating ring in corresponding F district, motor drives up and down by transmission shaft 5, and butterfly rotates, the leaf grating ring is actionless, just be full of material so circle all in (actual) leaf grating ring as long as change about 255 °, leaf grating ring material inlet can only be the F district in other words, and this material inlet rotates.24 little spaces that nearly 24 blades of leaf grating ring are formed are along with the rotation of transmission shaft is just filled up material with 24 little spaces of leaf grating ring successively.
Open region at following butterfly is the K district, and corresponding top is the E district of going up butterfly.Open region can not seal the material in the stipule grating ring.Material in the leaf grating ring leaks into the transmission spiral by the K district that descends butterfly and is sent in a mixing bowl, the K district forms leaf grating ring outlet area, following butterfly and last butterfly rotate synchronously, outlet area K district also rotates, and the inlet F district symmetry of it and leaf grating ring staggers, and differs 180 °, can not disturb mutually, electrical motor rotates, import and export and rotate, material just in the weighing hopper orderly passing through transmit spiral and send into a mixing bowl.
Because butterfly all is to block 255 ° up and down, opening all is about 105 °, therefore must form and block the overlay region, and its size is identical, has symmetrical about about 100 ° L, Q district.In these 2 districts, both there be not charging, can not discharging.Motor is under the condition of inhour rotation as shown in the figure, for the fixing arbitrary little space of leaf grating ring, be to pass through the F district successively at first forever then through the L district, the K district, the Q district, F district again, the L district, the K district, the Q district ... this successively the zone of process be that unmodified is to be full of material when first is through the F district in other words, material falls in the leaf grating ring from the top down, and then be the L district, it is zero that material is shut in the L district flow velocity by last lower baffle plate, then the K district arrives, material leaks out weighing hopper by deadweight, then the Q district arrives, in the corresponding Q district leaf grating ring is empty, be at most on the right in the F zone during attal by bleed some materials in the Q district leaf grating ring of slit, weight is very little.
The above-mentioned moving Cheng Kejian that turns over, material must be that zero L district just can release through the K district through flow velocity after being filled into leaf grating, material in the L district be with weighing hopper in the material of a large amount of high potentials separated, be still in the L district, so be eliminated more completely from flow phenomenon.
When motor speed increases, skim over the circulation of stationary cascade ring successively and accelerate in F district, L district, K district, Q district, the material that obvious weighing hopper is sent has been accelerated, the variation that computing machine constantly write down, calculating weight of material in the weighing hopper by gage probe (4), constantly adjust motor speed according to predefined ratio requirement by frequency converter, thereby adjust the delivery rate (weight) of disc type charging gear automatically and accurately.In the present embodiment, because its outlet is rotated, output is big, very fast.
The delivery rate of above-mentioned disc type charging gear (weight) is sent into a mixing bowl (14) by transmission screw mechanism (13), fully mixes the formation concrete finished product with various raw materials.
Embodiment 2:
Structural representation of the present utility model such as Fig. 7,8,9, shown in 10, include weighing hopper (3), gage probe (4), transmission screw mechanism (13), weighing hopper (3) places the below of the set material bin of concrete mixing plant (1), gage probe (4) is installed on the weighing hopper (3), transmission screw mechanism (13) places the below of weighing hopper (3), wherein the lower lumen of weighing hopper (3) is provided with the baffle plate (10) that can intercept material and fall, the bottom of weighing hopper (3) with the corresponding position of baffle plate (10) on be provided with material outlet (11), and be provided with between baffle plate (10) and weighing hopper (3) bottom and can allow material be full of therebetween circumferential uniform some blades (9) in edge, blade (9) is fastened on the impeller (7), and impeller (7) is connected with the transmission shaft (5) of motor (2).Above-mentioned gage probe (4) is the strain bridge LOAD CELLS.
Above-mentioned baffle plate (10) can be provided with 2～4, and material outlet (11) is corresponding to be provided with 2～4.Above-mentioned around uniform on every side 20～30 blades (9) of fixing of impeller (7).In the present embodiment, baffle plate (10) is provided with 2, forms B, D zone, and material outlet (11) is corresponding to be provided with 2.And in A, C zone, each zone is provided with about 7 blades (9) separately, and about 6 little spaces that can be full of material are respectively arranged between the blade in A, C two zones, totally 12 little spaces approximately, and the weight that is full of material in each little space is about 2～10 kilograms.
Be the rigidity of reinforced blade (9), the outer end of above-mentioned blade (9) is provided with each blade to be coupled together and forms single-piece reinforced rib (8).
For convenient scope of regulating metered flow (weight), also can be provided with material outlet valve (12) on the above-mentioned material outlet (11).
In like manner, caking for the automatic broken material of energy, avoid charging gear to make moist or long caking of storage period causes the phenomenon that can't turn round to take place because of material, be fixed with on the transmission shaft (5) of the top of above-mentioned impeller (7), motor (2) some can be with the doctor blade holder (6) of its rotation.
According to user's use needs, the cross section of above-mentioned weighing hopper (3) can be circle, also can be polygon, and corresponding baffle plate (10) is made fan shape baffle or polygon baffle plate.In the present embodiment, be convenient processing and installation, the cross section of above-mentioned weighing hopper (3) is circular, and corresponding baffle plate (10) is made fan shape baffle.
Be convenient control, above-mentioned motor (2) can be by frequency control.
During the utility model work, as shown in Figure 7, material is sent into weighing hopper (3) automatically from material bin (1), motor (2) drives blade (9) by impeller (7) and rotates, though remain enough materials in the weighing hopper, because the barrier effect of fan shape baffle (10), the potential energy of material can't promote the material gravity flow, material can only forward A in blade (9), C two zones just can be full of interlobate little space, when turning to B district and D district, material falls into transmission screw mechanism (13) respectively from material outlet (11), by transmission screw mechanism (13) material is sent into a mixing bowl (14).Because being full of the weight of material in the interlobate little space is about 2～10 kilograms, its weight is less to be fixed on again in the little space, when changing B district and D district over to the feed separation of high potential, there is not the effect of promotion mutually, the phenomenon of its gravity flow of evidence does not exist at this place, is eliminated fully from flow phenomenon.
In addition, drive in blade (9) rotating process at motor (2), the doctor blade holder (6) that is packed on the transmission shaft (5) of motor (2) can rotate with it, can play the effect of broken caking, avoided charging gear to make moist or long caking of storage period causes the phenomenon that can't turn round to take place because of material, it need not adopt traditional passing through manually to go to beat and pulverize or beat repeatedly the metering headwall outside weighing hopper, make it shatter, laborsaving, save time, both improved production efficiency, increased the degree of uniformity of material again greatly, with further quantification stability and the precision that has improved charging gear.
The utility model in the course of the work, the computing machine of control system is according to the ratio requirement of setting, the changes in weight that is write down according to gage probe (4), adjust the rotating speed of motor (2) by frequency converter, the velocity of rotation of automatic guidance weighing hopper (3) intra vane (9), thus the mass flow of its release controlled.Flow (weight) scope of the utility model metering is subjected to the control aspect two after impeller size is fixing: the one, and wheel speed, rotating speed is big, and its flow is big.The 2nd, the size and the quantity of material outlet (11), the utility model is designed to two outlets, and the size of its outlet is also bigger, and two material outlets (11) are respectively equipped with valve again, so the variable range of its metered flow (weight) is increased, therefore bigger Applicable scope arranged.
Claims (10)
1, a kind of disc type material charging gear that is used for concrete mixing plant, include weighing hopper (3), gage probe (4), transmission screw mechanism (13), wherein weighing hopper (3) places the below of the set material bin of concrete mixing plant (1), gage probe (4) is installed on the weighing hopper (3), transmission screw mechanism (13) places the below of weighing hopper (3), the lower lumen that it is characterized in that weighing hopper (3) is provided with and can intercepts last butterfly (18) that material falls and butterfly (15) down, last butterfly (18) reaches down, and butterfly (15) is packed on the transmission shaft (5) of motor (2), and last butterfly (18) is provided with open region F, following butterfly (15) is provided with the open region K that staggers mutually with open region F, can intercept last butterfly (18) that material falls and down butterfly (15) corresponding overlay region Q and L are up and down arranged, last butterfly (18) and under be provided with between the butterfly (15) and be fixed on weighing hopper (3) headwall, the leaf grating ring of forming by some blades (17).
2, the disc type material charging gear that is used for concrete mixing plant according to claim 1, the position that it is characterized in that the position of the open region F that above-mentioned upward butterfly (18) is provided with and the open region K that following butterfly (15) is provided with is symmetrical, and its aperture position differs 180 °.
3, the disc type material charging gear that is used for concrete mixing plant according to claim 1, it is characterized in that above-mentioned go up butterfly (18) intercept the G district that E district that material falls and following butterfly (15) obstruct material fall can be big or small identical, the size of the open region F that corresponding upward butterfly (18) is provided with and the open region K that following butterfly (15) is provided with also can be identical.
4, the disc type material charging gear that is used for concrete mixing plant according to claim 1 is characterized in that the below of above-mentioned weighing hopper (3) also can be fixed with fixed support (16).
5, a kind of disc type material charging gear that is used for concrete mixing plant, include weighing hopper (3), gage probe (4), transmission screw mechanism (13), wherein weighing hopper (3) places the below of the set material bin of concrete mixing plant (1), gage probe (4) is installed on the weighing hopper (3), transmission screw mechanism (13) places the below of weighing hopper (3), the lower lumen that it is characterized in that weighing hopper (3) is provided with the baffle plate (10) that can intercept material and fall, the bottom of weighing hopper (3) with the corresponding position of baffle plate (10) on be provided with material outlet (11), and be provided with between baffle plate (10) and weighing hopper (3) bottom and can allow material be full of therebetween circumferential uniform some blades (9) in edge, blade (9) is fastened on the impeller (7), and impeller (7) is connected with the transmission shaft (5) of motor (2).
6, the disc type material charging gear that is used for concrete mixing plant according to claim 5 is characterized in that above-mentioned baffle plate (10) can be provided with 2～4, and material outlet (11) is corresponding to be provided with 2～4.
7, the disc type material charging gear that is used for concrete mixing plant according to claim 5, the outer end that it is characterized in that above-mentioned blade (9) are provided with each blade to be coupled together and form single-piece reinforced rib (8).
8, the disc type material charging gear that is used for concrete mixing plant according to claim 5 is characterized in that also can being provided with on the above-mentioned material outlet (11) material outlet valve (12).
9, according to claim 1 or 2 or 3 or 4 or 5 or 6 or the 7 or 8 described disc type material charging gears that are used for concrete mixing plant, it is characterized in that also being fixed with on the transmission shaft (5) of above-mentioned motor (2) some can be with the doctor blade holder (6) of its rotation.
10, according to claim 1 or 2 or 3 or 4 or 5 or 6 or the 7 or 8 described disc type material charging gears that are used for concrete mixing plant, the cross section that it is characterized in that above-mentioned weighing hopper (3) top can be circle, also can be polygon, the cross section of lower lumen is circular, and last butterfly (18), following butterfly (15) and baffle plate (10) can be made fan shape baffle or polygon baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03267545 CN2632039Y (en) | 2003-07-15 | 2003-07-15 | Disc material feeder for concrete mixer station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03267545 CN2632039Y (en) | 2003-07-15 | 2003-07-15 | Disc material feeder for concrete mixer station |
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| CN2632039Y true CN2632039Y (en) | 2004-08-11 |
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| CN 03267545 Expired - Lifetime CN2632039Y (en) | 2003-07-15 | 2003-07-15 | Disc material feeder for concrete mixer station |
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- 2003-07-15 CN CN 03267545 patent/CN2632039Y/en not_active Expired - Lifetime
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| CN102240615A (en) * | 2010-11-19 | 2011-11-16 | 上海市民办尚德实验学校 | Spraying water nozzle of tap |
| CN102936956A (en) * | 2012-11-21 | 2013-02-20 | 三一重工股份有限公司 | Method for detecting and controlling material level and system for detecting and controlling material level |
| CN102936956B (en) * | 2012-11-21 | 2015-02-18 | 三一重工股份有限公司 | Method for detecting and controlling material level and system for detecting and controlling material level |
| CN104003205A (en) * | 2014-05-01 | 2014-08-27 | 铜陵钱谊化工设备有限责任公司 | Accurate feeding device for pesticide production |
| CN104647603A (en) * | 2015-03-24 | 2015-05-27 | 徐祥来 | Weighing device for continuous dry mortar production line |
| CN105347061A (en) * | 2015-12-02 | 2016-02-24 | 中国电子科技集团公司第四十一研究所 | Automatic uniform material feeding device for cut-tobacco structure detector |
| CN105561831A (en) * | 2015-12-28 | 2016-05-11 | 江西省环球陶瓷有限公司 | Automatic material conveying system for ceramic production |
| CN105561831B (en) * | 2015-12-28 | 2017-10-03 | 江西省环球陶瓷有限公司 | A kind of automatically transporting materials system for Production of Ceramics |
| CN105540287A (en) * | 2015-12-28 | 2016-05-04 | 江西省环球陶瓷有限公司 | Automatic transmission system for ceramic production |
| CN105413564A (en) * | 2015-12-30 | 2016-03-23 | 汪振朴 | Mixing device |
| CN105500526A (en) * | 2015-12-30 | 2016-04-20 | 汪振朴 | Material conveying device |
| CN105413564B (en) * | 2015-12-30 | 2017-12-08 | 汪振朴 | A kind of mixing device |
| CN105971285A (en) * | 2016-06-17 | 2016-09-28 | 佛山市联智新创科技有限公司 | Concrete stirring and pouring device |
| CN105952158A (en) * | 2016-06-17 | 2016-09-21 | 佛山市联智新创科技有限公司 | Cast-in-place device for concrete outer wall |
| CN110536849A (en) * | 2017-04-26 | 2019-12-03 | 川崎重工业株式会社 | Powder supply device |
| CN107648922B (en) * | 2017-11-15 | 2022-12-13 | 中冶北方（大连）工程技术有限公司 | Discharge device of pressure disk type filter |
| CN107648922A (en) * | 2017-11-15 | 2018-02-02 | 中冶北方（大连）工程技术有限公司 | The discharge device of pressurization disk filter |
| CN108910552A (en) * | 2018-07-24 | 2018-11-30 | 烟台海纳制动技术有限公司 | A kind of precise blanking mechanism and baiting method |
| CN108910552B (en) * | 2018-07-24 | 2019-05-24 | 烟台海纳制动技术有限公司 | A kind of precise blanking mechanism baiting method |
| CN110040533A (en) * | 2019-05-15 | 2019-07-23 | 成都广维重工科技有限公司 | A kind of rotary plow feeder for weighing hopper |
| CN110295750A (en) * | 2019-07-12 | 2019-10-01 | 苏州力佳达电子科技有限公司 | A kind of high-altitude building building cement pouring construction robot |
| CN111532803B (en) * | 2020-04-30 | 2021-04-13 | 南京韬恒工业科技有限公司 | Closed type weighing, blanking and feeding device and using method thereof |
| CN111532803A (en) * | 2020-04-30 | 2020-08-14 | 南京韬恒工业科技有限公司 | Closed type weighing, blanking and feeding device and using method thereof |
| CN113279076A (en) * | 2021-06-30 | 2021-08-20 | 邱群子 | Ultrahigh molecular weight polyethylene fiber pre-traction hot water solvent collecting device |
| CN115043177A (en) * | 2022-06-28 | 2022-09-13 | 杭州富丽达热电有限公司 | Accurate measurement coal conveying system |
| CN115229986A (en) * | 2022-07-14 | 2022-10-25 | 桐柏县同益新型建材科技有限公司 | Automatic proportioning device of concrete |
| CN115229986B (en) * | 2022-07-14 | 2024-02-20 | 桐柏县同益新型建材科技有限公司 | Automatic proportioning device of concrete |
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