CN209937330U - Concrete mixing plant for building - Google Patents

Concrete mixing plant for building Download PDF

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Publication number
CN209937330U
CN209937330U CN201821474144.0U CN201821474144U CN209937330U CN 209937330 U CN209937330 U CN 209937330U CN 201821474144 U CN201821474144 U CN 201821474144U CN 209937330 U CN209937330 U CN 209937330U
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China
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material waiting
bin
stirring
control system
hopper
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CN201821474144.0U
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Inventor
陆乔
覃景河
陈其锋
蒙飞丞
蒙玉都
柳军
吴忠绍
谭备战
梁永明
胡周学
唐宁
黄忠贵
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GUANGXI DADU CONCRETE GROUP CO Ltd
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GUANGXI DADU CONCRETE GROUP CO Ltd
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Abstract

The utility model discloses a concrete mixing plant for building, which comprises a sandstone input station, a conveyor belt, a waiting bin, a mixing device, a steel structure frame and a control system box; the sand and stone input station is arranged at the top of the conveyor belt; the conveying belt is connected to the side edge of the material waiting bin; a stirring device is arranged below the material waiting bin; the control system box is arranged on the side edge of the stirring device; the material waiting bin is internally provided with an arc plate, a secondary material waiting hopper and a primary material waiting hopper from top to bottom in sequence; the bottom of the first-stage material waiting hopper and the bottom of the second-stage material waiting hopper are respectively provided with a first discharger and a second discharger; a dust removal device is arranged outside the material waiting bin; a PLC control system is arranged in the control system box; and the PLC control system is respectively and electrically connected with the sand input station, the conveying belt, the stirring device, the first discharger and the second discharger. The utility model provides a stirring reduces the raise dust, and work efficiency is high, satisfy the ring and protect the concrete mixing plant for building that requires.

Description

Concrete mixing plant for building
Technical Field
The utility model belongs to construction machinery equipment field, concretely relates to concrete mixing plant for building.
Background
With the development of the commercial concrete industry, commercial concrete enterprises are increasing continuously, and the market competition is fierce, so that the heel can be stabilized only by improving the production efficiency. In addition, in the aspect of environmental protection, the social requirement for environmental protection is higher and higher, and enterprises also need to correspondingly improve the environmental performance of production equipment.
The prior art discloses the application numbers as follows: CN 201620281475.7's a novel numerical control concrete mixing plant for building, including grit input station, water supply system, mixer, control system case, the conveyer belt is being connected to the grit input station, the funnel is being connected to the conveyer belt, install the funnel below the mixer, the mixer is installed on the steel structure frame, install the concrete output tube on the steel structure frame, install the water tower on the steel structure frame, install stair on the steel structure frame, install steel structure frame one side the control system case, install steel structure frame one side water supply system, the water supply system below is provided with the basin, the cement jar is installed to steel structure frame one side top. Has the advantages that: the design can more accurately control the mixing of the raw materials, improve the mixing quality of the concrete and improve the mixing efficiency.
The prior technical scheme has the problems that:
1. in terms of efficiency: the mixer generally needs 2-4 discs for producing a car of concrete, and the qualified mixing time of each disc of concrete is about 25 seconds. Because the aggregate bin of the mixing station is far away from the mixer, the aggregate batching metering generally needs more than 15 seconds at least, the aggregate is completely conveyed to the middle of the aggregate through the conveying belt, the waiting hopper needs more than 20 seconds at least, the metering and conveying time influences the production efficiency of the mixer, but the second metering and conveying process can be carried out after the middle waiting hopper finishes the feeding.
2. When the middle waiting hopper instantly feeds materials to the stirring main machine, the middle waiting hopper is in a completely open state, and a large amount of aggregates instantly enter the stirring main machine to instantly generate a large counter-current to carry dust to be blown outwards.
Disclosure of Invention
To above-mentioned problem and the not enough and defect of prior art, the utility model provides a stirring reduces the raise dust, and work efficiency is high, satisfy the concrete mixing plant for building that the ring protected the requirement.
In order to achieve the above purpose, the technical solution of the present invention is as follows: a concrete mixing plant for buildings comprises a sand input station, a conveyor belt, a material waiting bin, a mixing device, a steel structure frame and a control system box; the sand and stone input station is arranged at the top of the conveyor belt; the conveying belt is connected to the side edge of the material waiting bin; a stirring device is arranged below the material waiting bin; the stirring device is arranged on the steel structure frame; the control system box is arranged on the side edge of the stirring device; the material waiting bin is internally provided with an arc plate, a secondary material waiting hopper and a primary material waiting hopper from top to bottom in sequence; the bottom of the first-stage material waiting hopper and the bottom of the second-stage material waiting hopper are respectively provided with a first discharger and a second discharger; a dust removal device is arranged outside the material waiting bin; a PLC control system is arranged in the control system box; and the PLC control system is respectively and electrically connected with the sand input station, the conveying belt, the stirring device, the first discharger and the second discharger.
The utility model is further optimized, the first-stage material waiting hopper and the second-stage material waiting hopper are equidistantly arranged on the inner wall of the material waiting bin, and the bottom of the first-stage material waiting hopper is connected with the top of the stirring device; and the first-stage material waiting hopper and the second-stage material waiting hopper are respectively internally provided with a buffer mechanism. In this way, the hopper is treated to the one-level that the equidistance was arranged and the grit raw materials that the hopper was stored are treated to the second grade are the same to the grit raw materials are treated from the second grade and are waited the hopper and fall into the one-level and treat when the hopper, and the raise dust of cement whereabouts is treated the hopper and the second grade at the one-level and is treated under the seal environment between the hopper, further prevents that the raise dust is excessive, and the hopper bottom is treated to the one-level and is connected with the agitating unit top.
The utility model discloses further optimize, buffer gear include buffer board, spring and fixed plate; the fixed plate is connected to the inner wall of the material waiting bin; one end of the buffer plate is connected through a hinge, and the other end of the buffer plate is suspended in a downward inclined manner and enables the buffer plate and the inner wall of the material waiting bin to form a blanking channel; one end of the spring is connected to the buffer plate, and the other end of the spring is connected to the fixing plate. In this way, the grit raw materials fall to the buffer board, carry out the drainage through the buffer board of downward sloping, can prevent on the one hand that the grit raw materials from colliding the mechanism of treating in the feed bin, play the effect of protection, on the other hand can reduce the production of raise dust.
The utility model is further optimized, the arc plates are arranged in a downward inclination way; one end of the arc plate is connected to the inner wall of the material waiting bin; the other end is suspended and is close to the inner wall of the other side of the material waiting bin to form a dust raising channel. In this way, circular arc board one end is connected on treating the inner wall of feed bin, and the other end is unsettled for circular arc board with treat that the feed bin inner wall forms the raise dust passageway, treat the dust collector work at feed bin top, the raise dust is more favorable to being absorbed by the dust collector through narrow and small raise dust passageway, the circular arc board that the slope was placed can be with not by the absorbent dust landing of dust collector to reuse on the belt weigher, avoid extravagant resource, polluted environment.
The utility model is further optimized, the end of the conveyor belt is also provided with a belt weigher; the belt scale is horizontally connected with the conveyor belt and extends into the material waiting bin; the belt weigher is electrically connected with a PLC control system in the control system box. Through the mode, the belt weigher of the terminal horizontally connected of conveyer belt, the numerical value that the belt weigher set for according to PLC control system, convey the grit raw materials to the second grade respectively and treat hopper and one-level and treat the hopper and store, and the weight of storing is unanimous, is convenient for make statistics of and manages.
The utility model is further optimized, and the dust removing device comprises a dust collector and a pulse bag type dust collector; the dust collector is arranged at the top of the material waiting bin; the pulse bag type dust collector is arranged at the top of the stirring device. In this way, the dust collector mainly absorbs the raise dust that the cement of waiting to fall in the feed bin arouses, and pulse bag dust collector mainly absorbs the raise dust that agitating unit arouses at the process of stirring, and twice different positions remove dust, and dust removal effect is good, and the effectual dust that prevents is raised outward.
The utility model discloses further optimize, the grit input station include grit steelframe, go into feed bin and weigher; the feeding bin is arranged above the metering scale; the feed bin and the metering scale are respectively arranged on the sand steel frame; the metering scale is electrically connected with a PLC control system in the control system box.
The utility model discloses further optimize, agitating unit include stirring motor and pivot; the stirring motor is connected with the rotating shaft; the rotating shaft is sequentially provided with a left speed reducer box, a left stirring hoop, a spacing ring, a middle stirring hoop, a spacing ring, a right stirring hoop and a right speed reducer box from left to right; the left stirring hoop, the middle stirring hoop and the right stirring hoop are respectively provided with a stirring arm and a scraper; the scraper is connected to the tail end of the stirring arm.
The utility model discloses further optimize, the angle of arc board slope be 50 degrees-55 degrees.
The utility model is further optimized, and the number of the middle stirring hoops is at least three; the scraper is in an inverted convex shape or a square shape or a triangular shape.
The utility model discloses a theory of operation: the start grit input station is controlled respectively to the PLC control system of control system case, the conveyer belt, agitating unit, first tripper and second tripper work, the grit raw materials gets into from the grit input station, the grit raw materials falls to the conveyer belt conveying to treating in the feed bin, the grit raw materials falls to the second grade and treats the hopper and shift the grit raw materials to the one-level through the second tripper and treat the hopper and circulate and store, the one-level is treated the grit raw materials on the hopper and is poured into the agitating unit with the grit raw materials through first tripper and stir, the mixing station is worked repeatedly, the work efficiency is improved, treat that the dust collector in the feed bin outside retrieves the cement raise dust.
The utility model has the advantages and beneficial effect as follows:
1. the utility model discloses utilize the one-level to treat hopper and second grade and treat that the hopper equidistance arranges in treating the feed bin, realize the two-stage and store to and store in turn, make the stirring station continuously work, degree of automation is high, improves work efficiency, and the one-level is treated hopper and second grade and is treated the grit raw materials that the hopper stored the same, the statistics of being convenient for.
2. The utility model discloses the raise dust that causes when the grit raw materials on the conveyer belt falls to the belt weigher is completely cut off by the circular arc board for the raise dust is treating the interior small region activity diffusion of feed bin, avoid the dust to raise upward outward, circular arc board one end is connected on the inner wall of treating the feed bin, the other end is unsettled, make the circular arc board with treat that the feed bin inner wall forms the raise dust passageway, treat the dust collector work at feed bin top, the raise dust is more favorable to being absorbed by the dust collector through narrow and small raise dust passageway, reuse, avoid extravagant resource, the polluted environment.
3. The utility model discloses the dust collector mainly absorbs the raise dust of treating that the feed bin arouses, and pulse bag collector mainly absorbs the raise dust that agitating unit arouses, and twice different positions remove dust, and dust removal effect is good, and the effectual dust that prevents is raised outward.
4. The utility model discloses structural arrangement is reasonable, and is compact, the maintenance of being convenient for.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the schematic diagram of the structure of the storage bin of the present invention.
Fig. 3 is a schematic view of the stirring device of the present invention.
Sequence numbers and corresponding names in the figures:
1-sandstone input station, 2-conveyor belt, 3-stirring device, 4-waiting bin, 5-dust collector, 6-pulse bag type dust collector, 7-steel structure frame, 8-control system box, 9-entering bin, 10-weighing scale, 11-sandstone steel frame, 41-belt scale, 42-arc plate, 43-buffer mechanism, 44-secondary waiting bin, 45-second discharger, 46-primary waiting bin, 47-first discharger, 31-stirring motor, 32-rotating shaft, 33-left reducer box, 34-left stirring hoop, 35-middle stirring hoop, 36-spacing hoop, 37-right stirring hoop and 38-right reducer box.
Detailed Description
The invention will be described in further detail with reference to the following drawings and detailed description:
example 1:
as shown in fig. 1-3, a concrete mixing plant for construction comprises a sand input station 1, a conveyor belt 2, a material waiting bin 4, a mixing device 3, a steel structure frame 7 and a control system box 8; the sand and stone input station 1 is arranged at the top of the conveyor belt 2; the conveyor belt 2 is connected to the side edge of the material waiting bin 4; a stirring device 3 is arranged below the material waiting bin 4; the stirring device 3 is arranged on the steel structure frame 7; the control system box 8 is arranged on the side edge of the stirring device 3; the material waiting bin 4 is internally provided with an arc plate 42, a secondary material waiting bin 44 and a primary material waiting bin 46 from top to bottom in sequence; the bottoms of the first-stage material waiting hopper 46 and the second-stage material waiting hopper 44 are respectively provided with a first discharger 47 and a second discharger 45; a dust removal device is arranged outside the material waiting bin 4; a PLC control system is arranged in the control system box 8; the PLC control system is respectively and electrically connected with the sand input station 1, the conveying belt 2, the stirring device 3, the first discharger 47 and the second discharger 45.
The first-stage material waiting hopper 46 and the second-stage material waiting hopper 44 are equidistantly arranged on the inner wall of the material waiting bin 4, and the bottom of the first-stage material waiting hopper 46 is connected with the top of the stirring device 3; the first-stage material waiting hopper 46 and the second-stage material waiting hopper 44 are respectively provided with a buffer mechanism 43.
The buffer mechanism 43 comprises a buffer plate, a spring and a fixing plate; the fixed plate is connected to the inner wall of the material waiting bin 4; one end of the buffer plate is connected through a hinge, and the other end of the buffer plate is suspended in a downward inclined manner and enables the buffer plate and the inner wall of the material waiting bin 4 to form a blanking channel; one end of the spring is connected to the buffer plate, and the other end of the spring is connected to the fixing plate.
The arc plates 42 are arranged in a downward inclined manner; one end of the arc plate 42 is connected to the inner wall of the material waiting bin 4; the other end is suspended and is close to the inner wall of the other side of the material waiting bin 4 to form a dust raising channel.
The tail end of the conveyor belt 2 is also provided with a belt scale 41; the belt weigher 41 is horizontally connected with the conveyor belt 2, and the belt weigher 41 extends into the material waiting bin 4; the belt weigher 41 is electrically connected with a PLC control system in the control system box 8.
The dust removal device comprises a dust collector 5 and a pulse bag type dust collector 6; the dust collector 5 is arranged at the top of the material waiting bin 4; the pulse bag type dust collector 6 is arranged at the top of the stirring device 3.
The sand and stone input station 1 comprises a sand and stone steel frame 11, a feeding bin 9 and a metering scale 10; the feeding bin 9 is arranged above the scale 10; the feeding bin 9 and the weighing scale 10 are respectively arranged on a sand steel frame 11; the scale 10 is electrically connected with a PLC control system in the control system box 8.
The stirring device 3 comprises a stirring motor 31 and a rotating shaft 32; the stirring motor 31 is connected with the rotating shaft 32; the rotating shaft 32 is sequentially provided with a left speed reducer box 33, a left stirring hoop 34, a spacing ring 36, a middle stirring hoop 35, a spacing ring 36, a right stirring hoop 37 and a right speed reducer box 38 from left to right; the left stirring hoop 34, the middle stirring hoop 35 and the right stirring hoop 37 are respectively provided with a stirring arm and a scraper; the scraper is connected to the tail end of the stirring arm.
The inclined angle of the circular arc plate 42 is 50 degrees.
Three middle stirring hoops 35 are arranged; the scraper is in an inverted convex shape.
The utility model discloses a theory of operation: control system case 8's PLC control system controls respectively and starts grit input station 1, conveyer belt 2, agitating unit 3, 47 and the 45 work of second tripper of first tripper, the grit raw materials gets into from grit input station 1, the grit raw materials falls to 2 conveying of conveyer belt and treats in feed bin 4, the grit raw materials falls to the second grade and treats hopper 44 and shift the grit raw materials to the one-level through second tripper 45 and treat hopper 46 and circulate and store, the one-level is treated the grit raw materials on the hopper 46 and is stirred in pouring into agitating unit 3 with the grit raw materials through 47, the mixing station is worked repeatedly, and the work efficiency is improved, treat that the dust collector in the 4 outsides of feed bin retrieves the cement raise dust.
Example 2:
as shown in fig. 1-3, a concrete mixing plant for construction comprises a sand input station 1, a conveyor belt 2, a material waiting bin 4, a mixing device 3, a steel structure frame 7 and a control system box 8; the sand and stone input station 1 is arranged at the top of the conveyor belt 2; the conveyor belt 2 is connected to the side edge of the material waiting bin 4; a stirring device 3 is arranged below the material waiting bin 4; the stirring device 3 is arranged on the steel structure frame 7; the control system box 8 is arranged on the side edge of the stirring device 3; the material waiting bin 4 is internally provided with an arc plate 42, a secondary material waiting bin 44 and a primary material waiting bin 46 from top to bottom in sequence; the bottoms of the first-stage material waiting hopper 46 and the second-stage material waiting hopper 44 are respectively provided with a first discharger 47 and a second discharger 45; a dust removal device is arranged outside the material waiting bin 4; a PLC control system is arranged in the control system box 8; the PLC control system is respectively and electrically connected with the sand input station 1, the conveying belt 2, the stirring device 3, the first discharger 47 and the second discharger 45.
The first-stage material waiting hopper 46 and the second-stage material waiting hopper 44 are equidistantly arranged on the inner wall of the material waiting bin 4, and the bottom of the first-stage material waiting hopper 46 is connected with the top of the stirring device 3; the first-stage material waiting hopper 46 and the second-stage material waiting hopper 44 are respectively provided with a buffer mechanism 43.
The buffer mechanism 43 comprises a buffer plate, a spring and a fixing plate; the fixed plate is connected to the inner wall of the material waiting bin 4; one end of the buffer plate is connected through a hinge, and the other end of the buffer plate is suspended in a downward inclined manner and enables the buffer plate and the inner wall of the material waiting bin 4 to form a blanking channel; one end of the spring is connected to the buffer plate, and the other end of the spring is connected to the fixing plate.
The arc plates 42 are arranged in a downward inclined manner; one end of the arc plate 42 is connected to the inner wall of the material waiting bin 4; the other end is suspended and is close to the inner wall of the other side of the material waiting bin 4 to form a dust raising channel.
The tail end of the conveyor belt 2 is also provided with a belt scale 41; the belt weigher 41 is horizontally connected with the conveyor belt 2, and the belt weigher 41 extends into the material waiting bin 4; the belt weigher 41 is electrically connected with a PLC control system in the control system box 8.
The dust removal device comprises a dust collector 5 and a pulse bag type dust collector 6; the dust collector 5 is arranged at the top of the material waiting bin 4; the pulse bag type dust collector 6 is arranged at the top of the stirring device 3.
The sand and stone input station 1 comprises a sand and stone steel frame 11, a feeding bin 9 and a metering scale 10; the feeding bin 9 is arranged above the scale 10; the feeding bin 9 and the weighing scale 10 are respectively arranged on a sand steel frame 11; the scale 10 is electrically connected with a PLC control system in the control system box 8.
The stirring device 3 comprises a stirring motor 31 and a rotating shaft 32; the stirring motor 31 is connected with the rotating shaft 32; the rotating shaft 32 is sequentially provided with a left speed reducer box 33, a left stirring hoop 34, a spacing ring 36, a middle stirring hoop 35, a spacing ring 36, a right stirring hoop 37 and a right speed reducer box 38 from left to right; the left stirring hoop 34, the middle stirring hoop 35 and the right stirring hoop 37 are respectively provided with a stirring arm and a scraper; the scraper is connected to the tail end of the stirring arm.
The inclined angle of the circular arc plate 42 is 55 degrees.
Five middle stirring hoop rings 35 are provided; the scraper is in an inverted convex shape.
The working principle of embodiment 2 is the same as that of embodiment 1.
Example 3:
as shown in fig. 1-3, a concrete mixing plant for construction comprises a sand input station 1, a conveyor belt 2, a material waiting bin 4, a mixing device 3, a steel structure frame 7 and a control system box 8; the sand and stone input station 1 is arranged at the top of the conveyor belt 2; the conveyor belt 2 is connected to the side edge of the material waiting bin 4; a stirring device 3 is arranged below the material waiting bin 4; the stirring device 3 is arranged on the steel structure frame 7; the control system box 8 is arranged on the side edge of the stirring device 3; the material waiting bin 4 is internally provided with an arc plate 42, a secondary material waiting bin 44 and a primary material waiting bin 46 from top to bottom in sequence; the bottoms of the first-stage material waiting hopper 46 and the second-stage material waiting hopper 44 are respectively provided with a first discharger 47 and a second discharger 45; a dust removal device is arranged outside the material waiting bin 4; a PLC control system is arranged in the control system box 8; the PLC control system is respectively and electrically connected with the sand input station 1, the conveying belt 2, the stirring device 3, the first discharger 47 and the second discharger 45.
The first-stage material waiting hopper 46 and the second-stage material waiting hopper 44 are equidistantly arranged on the inner wall of the material waiting bin 4, and the bottom of the first-stage material waiting hopper 46 is connected with the top of the stirring device 3; the first-stage material waiting hopper 46 and the second-stage material waiting hopper 44 are respectively provided with a buffer mechanism 43.
The buffer mechanism 43 comprises a buffer plate, a spring and a fixing plate; the fixed plate is connected to the inner wall of the material waiting bin 4; one end of the buffer plate is connected through a hinge, and the other end of the buffer plate is suspended in a downward inclined manner and enables the buffer plate and the inner wall of the material waiting bin 4 to form a blanking channel; one end of the spring is connected to the buffer plate, and the other end of the spring is connected to the fixing plate.
The arc plates 42 are arranged in a downward inclined manner; one end of the arc plate 42 is connected to the inner wall of the material waiting bin 4; the other end is suspended and is close to the inner wall of the other side of the material waiting bin 4 to form a dust raising channel.
The tail end of the conveyor belt 2 is also provided with a belt scale 41; the belt weigher 41 is horizontally connected with the conveyor belt 2, and the belt weigher 41 extends into the material waiting bin 4; the belt weigher 41 is electrically connected with a PLC control system in the control system box 8.
The dust removal device comprises a dust collector 5 and a pulse bag type dust collector 6; the dust collector 5 is arranged at the top of the material waiting bin 4; the pulse bag type dust collector 6 is arranged at the top of the stirring device 3.
The sand and stone input station 1 comprises a sand and stone steel frame 11, a feeding bin 9 and a metering scale 10; the feeding bin 9 is arranged above the scale 10; the feeding bin 9 and the weighing scale 10 are respectively arranged on a sand steel frame 11; the scale 10 is electrically connected with a PLC control system in the control system box 8.
The stirring device 3 comprises a stirring motor 31 and a rotating shaft 32; the stirring motor 31 is connected with the rotating shaft 32; the rotating shaft 32 is sequentially provided with a left speed reducer box 33, a left stirring hoop 34, a spacing ring 36, a middle stirring hoop 35, a spacing ring 36, a right stirring hoop 37 and a right speed reducer box 38 from left to right; the left stirring hoop 34, the middle stirring hoop 35 and the right stirring hoop 37 are respectively provided with a stirring arm and a scraper; the scraper is connected to the tail end of the stirring arm.
The inclined angle of the circular arc plate 42 is 53 degrees.
Six middle stirring hoops 35 are arranged; the scraper is in an inverted convex shape.
Example 4:
example 4 differs from example 1 in that: the scraper is square or triangular, and can achieve the effect of uniform stirring.
It should be understood that the above-described embodiments are merely examples for clearly illustrating the present invention, and are not intended to limit the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This list is not intended to be exhaustive or exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.

Claims (10)

1. A concrete mixing plant for buildings comprises a sand input station (1), a conveyor belt (2), a material waiting bin (4), a mixing device (3), a steel structure frame (7) and a control system box (8); the sandstone input station (1) is arranged at the top of the conveyor belt (2); the conveying belt (2) is connected to the side edge of the material waiting bin (4); a stirring device (3) is arranged below the material waiting bin (4); the stirring device (3) is arranged on the steel structure frame (7); the control system box (8) is arranged on the side edge of the stirring device (3); the method is characterized in that: the material waiting bin (4) is internally provided with an arc plate (42), a secondary material waiting bin (44) and a primary material waiting bin (46) from top to bottom in sequence; the bottom parts of the first-stage material waiting hopper (46) and the second-stage material waiting hopper (44) are respectively provided with a first discharger (47) and a second discharger (45); a dust removal device is arranged on the outer side of the material waiting bin (4); a PLC control system is arranged in the control system box (8); the PLC control system is respectively electrically connected with the sand input station (1), the conveyor belt (2), the stirring device (3), the first discharger (47) and the second discharger (45).
2. A concrete mixing plant for construction according to claim 1, characterized in that: the first-stage material waiting hopper (46) and the second-stage material waiting hopper (44) are arranged on the inner wall of the material waiting bin (4) at equal intervals, and the bottom of the first-stage material waiting hopper (46) is connected with the top of the stirring device (3); and buffering mechanisms (43) are respectively arranged in the first-stage material waiting hopper (46) and the second-stage material waiting hopper (44).
3. A concrete mixing plant for construction according to claim 2, characterized in that: the buffer mechanism (43) comprises a buffer plate, a spring and a fixed plate; the fixed plate is connected to the inner wall of the material waiting bin (4); one end of the buffer plate is connected through a hinge, and the other end of the buffer plate is suspended in a downward inclined manner, so that a blanking channel is formed between the buffer plate and the inner wall of the material waiting bin (4); one end of the spring is connected to the buffer plate, and the other end of the spring is connected to the fixing plate.
4. A concrete mixing plant for construction according to claim 1, characterized in that: the arc plates (42) are arranged in a downward inclined mode; one end of the arc plate (42) is connected to the inner wall of the material waiting bin (4); the other end is suspended and is close to the inner wall of the other side of the material waiting bin (4) to form a dust raising channel.
5. A concrete mixing plant for construction according to claim 1, characterized in that: the tail end of the conveyor belt (2) is also provided with a belt scale (41); the belt weigher (41) is horizontally connected with the conveyor belt (2), and the belt weigher (41) extends into the material waiting bin (4); the belt weigher (41) is electrically connected with a PLC control system in the control system box (8).
6. A concrete mixing plant for construction according to claim 1, characterized in that: the dust removal device comprises a dust collector (5) and a pulse bag type dust collector (6); the dust collector (5) is arranged at the top of the material waiting bin (4); the pulse bag type dust collector (6) is arranged at the top of the stirring device (3).
7. A concrete mixing plant for construction according to claim 1, characterized in that: the sand and stone input station (1) comprises a sand and stone steel frame (11), a feeding bin (9) and a scale (10); the feeding bin (9) is arranged above the metering scale (10); the feeding bin (9) and the metering scale (10) are respectively arranged on a sand steel frame (11); the scale (10) is electrically connected with a PLC control system in the control system box (8).
8. A concrete mixing plant for construction according to claim 1, characterized in that: the stirring device (3) comprises a stirring motor (31) and a rotating shaft (32); the stirring motor (31) is connected with the rotating shaft (32); a left speed reducer box (33), a left stirring hoop (34), a spacing ring (36), a middle stirring hoop (35), a spacing ring (36), a right stirring hoop (37) and a right speed reducer box (38) are sequentially arranged on the rotating shaft (32) from left to right; the left stirring hoop (34), the middle stirring hoop (35) and the right stirring hoop (37) are respectively provided with a stirring arm and a scraper; the scraper is connected to the tail end of the stirring arm.
9. A concrete mixing plant for construction according to claim 1, characterized in that: the inclined angle of the circular arc plate (42) is 50-55 degrees.
10. A concrete mixing plant for construction according to claim 8, characterized in that: the number of the middle stirring hoops (35) is at least three; the scraper is in an inverted convex shape or a square shape or a triangular shape.
CN201821474144.0U 2018-09-10 2018-09-10 Concrete mixing plant for building Active CN209937330U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109176890A (en) * 2018-09-10 2019-01-11 广西大都混凝土集团有限公司 A kind of concrete mixing plant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109176890A (en) * 2018-09-10 2019-01-11 广西大都混凝土集团有限公司 A kind of concrete mixing plant
CN109176890B (en) * 2018-09-10 2023-11-10 广西大都混凝土集团有限公司 Concrete mixing plant

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