CN213890678U

CN213890678U - Concrete mixing plant

Info

Publication number: CN213890678U
Application number: CN202022719277.3U
Authority: CN
Inventors: 田志刚
Original assignee: Henan Sanshuo Intelligent Technology Co ltd
Current assignee: Henan Sanshuo Intelligent Technology Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-08-06
Anticipated expiration: 2030-11-20

Abstract

The utility model relates to a concrete mixing plant, which comprises a classified storage bin, an automatic feeding system, an automatic weighing and waiting system, an automatic metering and waiting system, a first material distributing trolley and an automatic mixing system, wherein the classified storage bin comprises a plurality of storage bins, a second material distributing trolley, an automatic feeding system and a material level detector; the materials measured in the measuring bins are mixed into an automatic stirring system, and the automatic stirring system is provided with a discharge port and is in butt joint with a concrete tank truck so as to convey the stirred concrete away; whole concrete mixing plant realizes the unmanned, improves production efficiency, and concrete mixing plant structural design is reasonable, satisfies under the prerequisite of intelligent production, and the structure is simple relatively, and the cost is low relatively.

Description

Concrete mixing plant

Technical Field

The utility model relates to a concrete mixing plant.

Background

Concrete is increasingly used in civil engineering such as construction, water conservancy and traffic. A concrete mixing plant is a construction machinery device for producing concrete, which measures aggregate (broken stone and sand), powder, water and admixture according to the design proportion of strength grade, and then adds the aggregate, the powder, the water and the admixture into a mixing bin for mixing and stirring. At present, the mainstream concrete mixing plant in the market realizes partial automatic production control, but the automation level needs to be further improved. If the existing concrete mixing plant needs some manual work, such as feeding control, links of sale, purchase and the like in the early stage of production and production links, or manual work for butt joint, the management efficiency needs to be improved; in the discharging link, the driver of the material pulling pump truck is unskilled in operation, so that the queuing time is long, and the production efficiency is also influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a concrete mixing plant to improve automatic level.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a concrete mixing plant comprises a classified storage bin, an automatic feeding system, an automatic weighing and waiting system, an automatic metering and waiting system, a first material distribution trolley and an automatic mixing system, wherein the classified storage bin comprises a plurality of storage bins, a second material distribution trolley, an automatic feeding system and a material level detector, the automatic feeding system is used for feeding materials conveyed by a raw material transport vehicle into the second material distribution trolley, the second material distribution trolley conveys the materials to the corresponding storage bins according to the types of the materials, a discharge bin door is arranged at the bottom of each storage bin, the automatic feeding system comprises a conveying belt, the conveying belt transfers and conveys the materials of the required types from the storage bins to the first material distribution trolley, the first material distribution trolley conveys the materials to the corresponding buffer bin in the automatic weighing and waiting system, each type of the materials is correspondingly provided with a buffer bin, the buffer bin is provided with a first weighing unit, the automatic metering and waiting system is provided with a first metering bin corresponding to the buffer bin, the metering bin I is provided with a weighing unit II, the buffer storage bin is positioned above the metering bin and used for supplying materials to the metering bin, the storage capacity of the buffer storage bin is greater than that of the metering bin, and each metering bin I corresponds to aggregate required by concrete; the automatic metering material waiting system is further provided with a metering bin II, a metering bin III, a metering bin IV and a metering bin V, the automatic metering material waiting system respectively corresponds to four materials except aggregate in the required materials of the concrete, the metering bin II, the metering bin III, the metering bin IV and the metering bin V are respectively and correspondingly provided with a feeding bin I, a feeding bin II, a feeding bin III and a feeding bin IV which are used for feeding, the metering bin I, the metering bin II, the metering bin III, the metering bin IV and the metering bin V are mixed with the metered materials in the automatic stirring system, and the automatic stirring system is provided with a discharge hole which is used for being butted with a concrete tank truck so as to convey the stirred concrete away.

Further, the automatic warehousing system comprises a first conveyor and a second conveyor, the first conveyor is obliquely arranged, one end of the first conveyor is in butt joint with the receiving hopper, the other end of the first conveyor is in butt joint with the second conveyor, the second conveyor is horizontally erected above the classified storage bin and is a second conveyor belt conveyor, the second conveyor belt conveyor comprises a rack and a second conveyor belt, a track for the second material distribution trolley to run is arranged on the rack, the second material distribution trolley comprises a second frame, a second belt roller, a material distribution bin and a material distribution plate, the second conveyor belt bypasses the second belt roller and can transfer the materials into the material distribution bin, the material distribution plate is located at the bottom of the material distribution bin, and the material distribution plate is provided with a closing position for opening the material to the corresponding storage bin and closing a discharge port of the material distribution bin.

Furthermore, each storage bin is symmetrically distributed in the length direction of the second conveyor, the material distribution plate comprises a left half material plate and a right half material plate, and the left half material plate and the right half material plate simultaneously act to simultaneously convey materials to the storage bins on two sides.

Furthermore, the automatic feeding system comprises a material receiving belt conveyor and a material conveying belt conveyor, the material receiving belt conveyor is arranged below a discharging bin door of the material storage bins, one material receiving belt conveyor corresponds to the plurality of material storage bins, and the material conveying belt conveyor is in butt joint with the material receiving belt conveyor and the material distributing trolley I.

Further, automatic feeding system still includes the third conveyer, and the third conveyer is located the top that the automatic measurement waited to expect the system, and the buffer memory feed bin that the automatic measurement waited to expect the system distributes in the length direction's of third conveyer both sides, and the third conveyer includes third frame, third conveyer belt, is equipped with the confession in the third frame divide the track of material dolly operation, divide the material to get off one including frame one, band roller one, batching conveyer belt, and third conveyer belt walks around the band roller can shift the material to the batching conveyer belt in the lump, and the direction of delivery of batching conveyer belt is perpendicular with the direction of delivery of third conveyer belt, and the batching conveyer belt can forward and run to the selectivity is carried the material to corresponding buffer memory feed bin.

The utility model has the advantages that:

the utility model discloses a concrete mixing plant, each mechanism unit of concrete mixing plant, all can the automatic operation, can realize the automatic feed supplement of scarce material, automatic feeding, divide the material according to the class automatically, automatic ratio mixes, and whole concrete mixing plant can realize unmanned, and automatic level is high, improves production efficiency, and the concrete mixing plant structural design in this system is reasonable simultaneously, satisfies under the prerequisite of intelligent production, and the structure is simple relatively, and the cost is low relatively.

Drawings

FIG. 1 is a schematic view of the construction of a concrete mixing plant;

FIG. 2 is a schematic view of a second portion of the dispensing cart of FIG. 1;

FIG. 3 is a schematic structural view of a material separating trolley II;

FIG. 4 is a partial schematic view of the first material distribution trolley and the automatic weighing and material waiting system in FIG. 1;

fig. 5 is a partial schematic view of a portion of the dispensing cart of fig. 4.

Names corresponding to the marks in the figure:

1. a classified storage bin 11, a storage bin 21, a first conveyor 22, a receiving bin 23, a second conveyor 231, a second conveying belt 3, a second distribution trolley 31, a second frame 32, a second belt roller 33, a distribution bin 34, a left half plate 35, a right half plate 36, a cylinder 41, a first receiving belt 42, a second receiving belt 43, a hopper 44, a horizontal conveying belt 45, an inclined conveying belt 46, a third conveyor 461, a third conveying belt 5, a first distribution trolley 51, a first frame 52, a first belt roller 53, a distribution conveying belt 61, a buffer bin 62, a first metering bin 7, an automatic mixer 71, a mixing bin 81, a second feeding bin 82, a second metering bin 83, a third metering bin 84, a fourth metering bin 85, a fifth metering bin 86, a second buffer bin 87, a second metering bin 87, a third metering bin 87, a fourth metering bin 85, a fifth metering bin 86, a third metering bin, Buffer hoppers III and 88, buffer hoppers IV and 89, feeding bins I and 9 and a concrete tank truck.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

The embodiment of the utility model provides a:

as shown in fig. 1-5, the concrete mixing plant includes a classified storage bin 1, an automatic feeding system, an automatic weighing and material waiting system, an automatic metering and material waiting system, a first material distributing trolley 5, and an automatic mixing system. The classified storage bin comprises a plurality of storage bins 11, a second material distribution trolley 3, an automatic feeding system and a material level detector, wherein in the embodiment, the number of the storage bins is eight.

The automatic warehousing system comprises a first conveyor 21 and a second conveyor 23, the first conveyor is obliquely arranged, one end of the first conveyor 21 is in butt joint with the receiving hopper 22, and the other end of the first conveyor is in butt joint with the second conveyor 23. And the receiving hopper 22 is butted with the raw material conveying vehicle, and the raw material conveying vehicle pours the materials into the receiving hopper. The first conveyor comprises a first conveyor belt which conveys the material onto the second conveyor 23.

The second conveyor 23 is horizontally erected above the classified storage bin 1, and is a second belt conveyor which comprises a second frame and a second conveying belt 231, and a track for the second material distribution trolley 3 to run is arranged on the second frame. The material distribution trolley II 3 comprises a frame II 31, a belt roller II 32, a material distribution bin 33 and a material distribution plate, the belt roller II 32 is two, the second conveying belt 231 bypasses the two belt roller II, and the material can be transferred into the material distribution bin 33 when the second conveying belt 231 works. When the material on the second conveying belt passes through the second belt roller on the upper side, the material automatically falls to the distributing bin 33. The material distributing trolley II is driven by a single motor to move forwards or backwards.

The storage bins 11 are symmetrically distributed in the length direction of the second conveyor, and four storage bins are arranged on one side and four storage bins are arranged on the other side. The two storage bins symmetrically arranged about the second conveyor are used for storing the same material, such as aggregate A, and the other three pairs of storage bins are respectively used for storing aggregate B, aggregate C and aggregate D. The material distributing plate is positioned at the bottom of the material distributing bin, the bottom of the material distributing bin is provided with an opening, and the material distributing plate is provided with a closing position which is opened to discharge materials to the corresponding storage bin and is used for closing a feed opening of the material distributing bin.

The material distributing plate comprises a left half material plate 34 and a right half material plate 35 which are hinged, the left half material plate 34 and the right half material plate 35 are driven by a cylinder 36 and move simultaneously, and therefore materials are conveyed to the storage bins on two sides simultaneously. The lower sides of the left half material plate and the right half material plate are respectively hinged with a connecting rod, and the other end of the connecting rod is hinged with a cylinder rod of the cylinder.

In order to smoothly convey materials to the middle area of the storage bin, the middle area of the bottom of the storage bin is provided with a discharge bin door, and the discharge bin door is controlled by an air cylinder and can be opened to discharge materials according to the instruction of a controller. A sliding plate is further arranged in the storage bin, the sliding plate is arranged in an inclined mode, one end of the sliding plate abuts against one side wall, close to the second conveyor, of the storage bin, and the other end of the sliding plate is located in the middle area of the storage bin.

The automatic feeding system comprises a conveying belt, the conveying belt transfers and conveys materials of required categories from the storage bins to a material distributing trolley I5, and the material distributing trolley I5 conveys the materials to a corresponding buffer storage bin 61 in the automatic weighing material waiting system.

The automatic feeding system comprises a material receiving belt conveyor and a material feeding belt conveyor, wherein the material receiving belt conveyor is arranged below a discharging bin door of the storage bin, one material receiving belt conveyor corresponds to four storage bins on the same side, namely two material receiving belt conveyors are arranged at left and right intervals and are marked as a material receiving belt conveyor I41 and a material receiving belt conveyor II 42. The feeding belt conveyor is in butt joint with the receiving belt conveyor and the first material distributing trolley.

The feeding belt conveyor is divided into a horizontal feeding belt conveyor 44 and an inclined feeding belt conveyor 45, the material receiving belt conveyor and the feeding belt conveyor are roller type belt conveyors and are driven by a motor, and the motor is controlled by a controller to start and stop, so that detailed structures are not detailed. The horizontal feeding belt conveyors 44 are arranged perpendicular to the receiving belt conveyors so that the materials of the two receiving belt conveyors can be conveyed to the upper sides of the horizontal feeding belt conveyors 44. For more stable conveying material, be equipped with two hoppers 43 in the frame of horizontal pay-off belt feeder, correspond the end of connecing the material belt feeder respectively, play the transition effect, the material falls into horizontal pay-off belt feeder behind the hopper, prevents to spill the material. The hopper 43 is large in top and small in bottom, and is vertically through.

One end of the horizontal feeding belt conveyor 44 is butted with the bottom end of the inclined feeding belt conveyor 45, and similarly, in order to prevent material scattering during material transfer, a hopper is also arranged at the frame of the inclined feeding belt conveyor or the horizontal feeding belt conveyor to play a transition role, and materials fall into the inclined feeding belt conveyor after passing through the hopper.

Each type of material is correspondingly provided with one cache bin 61, so in this embodiment, four cache bins 61 are arranged and distributed in a grid pattern. The buffer storage bin is provided with a first weighing unit which can weigh stored materials, and when the materials are smaller than a set value, the materials can be fed back to the controller to control the automatic feeding system to act and supplement the materials.

The automatic metering and material waiting system is provided with a first metering bin 62 corresponding to the cache bins, and the first metering bins 62 are correspondingly provided with four metering bins, are respectively positioned below the corresponding cache bins and are matched with the cache bins in a one-to-one correspondence manner. The first metering bin is provided with a second weighing unit, and each first metering bin provides the weight of one material required in concrete in one production period. The buffer memory feed bin is located and corresponds measurement feed bin top, is used for measuring the feed of feed bin, and the memory space of buffer memory feed bin is greater than the measurement feed bin, sets up to more than the triple in this embodiment, also the material storage of buffer memory feed bin just enough batching cubic at least, guarantees enough three production cycle and uses to can guarantee the continuity of production, raise the efficiency.

The automatic feeding system comprises a third conveyor 46, the third conveyor 46 is located above the automatic metering and material waiting system, buffer storage bins of the automatic metering and material waiting system are distributed on two sides of the third conveyor in the length direction, the third conveyor comprises a third frame and a third conveying belt 461, a track for the first 5 of the distribution trolleys to run is arranged on the third frame, the first 5 of the distribution trolleys comprises a first frame 51, a first belt roller 52 and a distribution conveying belt 53, the third conveying belt 461 sequentially bypasses the first two belt rollers 52 and can transfer materials to the distribution conveying belt 53, the conveying direction of the distribution conveying belt 53 is perpendicular to the conveying direction of the third conveying belt 461, and the distribution conveying belt can run forwards and backwards to selectively convey the materials to the corresponding buffer storage bins. The batching conveyer belt comprises a motor for driving a belt driving roller and a driven belt roller, wherein a belt wound on the two rollers is used for conveying materials, and the reverse direction is controlled by the positive and negative rotation of the motor.

The automatic metering material waiting system is further provided with a second metering storage bin 82, a third metering storage bin 83, a fourth metering storage bin 84 and a fifth metering storage bin 85, wherein the second metering storage bin 82 corresponds to coal ash, the third metering storage bin 83 corresponds to material cement, the fourth metering storage bin 84 corresponds to water and the fifth metering storage bin 85 corresponds to material additives in the required materials of the concrete except aggregate. Four materials are contained in the four metering bins, and the four materials in the two metering bins 82, the three metering bins 83, the four metering bins 84 and the five metering bins 85 are added, so that the total amount of the four materials is 8, and the formula of the conventional concrete is also the formula of the conventional concrete.

The second metering bin 82, the third metering bin 83, the fourth metering bin 84 and the fifth metering bin 85 are respectively and correspondingly provided with a first feeding bin 89, a second feeding bin 81, a third feeding bin and a fourth feeding bin which are used for feeding. The first feeding bin and the second feeding bin are both provided with two feeding holes, and when the feeding device is in actual use, the first feeding bin and the second feeding bin work to feed materials, and the purpose of standby is achieved. The first material supply bin 89 and the second material supply bin 81 can adopt a conveying auger to supply materials to the second measuring bin 82 and the third measuring bin 83, and the feeding mode of the parts belongs to the prior art.

And a second metering bin 82, a third metering bin 83, a fourth metering bin 84 and a fifth metering bin 85, wherein buffer hoppers are respectively arranged above the second metering bin, the third metering bin, the fourth metering bin and the fifth metering bin, and are respectively marked as a second buffer hopper 86, a third buffer hopper 87, a fourth buffer hopper 88 and a fifth buffer hopper. And weighing sensors are arranged on the second metering bin 82, the third metering bin 83, the fourth metering bin 84 and the fifth metering bin 85, and the second cache hopper, the third cache hopper, the fourth cache hopper and the fifth cache hopper. Similar to the above-mentioned material storage of buffer memory feed bin enough batching cubic at least, buffer memory hopper two, buffer memory hopper three, buffer memory hopper four and buffer memory hopper five also can both deposit the corresponding material of enough cubic batching, guarantee enough three production cycle uses to can guarantee the continuity of production, raise the efficiency.

The materials which are well metered in the metering bin I, the metering bin II 82, the metering bin III 83, the metering bin IV 84 and the metering bin V85 are respectively weighed and metered according to the set concrete proportion and are mixed into the automatic stirring system.

The automatic stirring system comprises an automatic stirrer 7 and a mixing hopper 71. Two materials of the four metering bin 84 and the five metering bin 85 can enter the mixing bin firstly, a material liquid pipe is arranged at the bottom of the mixing bin, and a pump is arranged on one side of the material liquid pipe, which is close to the automatic stirrer 7, and used for feeding. The rest materials fall into the automatic stirrer after passing through the mixing hopper 71, and one or two mixing hoppers 71 can be arranged to divide the materials into two channels to enter the stirrer.

The bottom of the automatic mixer 7 is provided with a discharge hole which is butted with a concrete tank truck 9 so as to convey the mixed concrete away. Automatic mixer mixes the material that a plurality of kinds of ratio are good, and this machine belongs to prior art, and current mixing plant has this equipment, no longer details its structure.

Furthermore, an automatic material receiving platform is arranged in the area of the automatic stirring system of the concrete stirring station, the automatic material receiving platform is provided with a parking platform and a driving mechanism, the parking platform is used for parking the concrete tank car, and the driving mechanism is used for driving the parking platform to convey the concrete tank car to the material receiving station. The automatic material receiving platform comprises an ultrasonic positioning sensor and a visualization system and is used for positioning the concrete tank truck. The positioning system can adopt the prior art, and solves the problem that the concrete tank car is long in parking time due to improper operation of a driver or unskilled parking time and further affects the material receiving time through the automatic material receiving platform. The concrete tank truck is automatically conveyed to the lower part of the automatic mixer, and a material receiving port of the concrete tank truck corresponds to a material discharging port at the bottom of the automatic mixer. The concrete tank car is parked in place, and the automatic mixer discharges materials.

In other embodiments, the number of the divided storage bins of the classified storage bin can also be changed according to the customer requirements, for example, four storage bins are provided, so that the storage of four common materials is satisfied. Correspondingly, the second material distributing trolley can be opened for discharging only by arranging the material distributing plate on one side of the second material distributing trolley. And a material distribution trolley II can also adopt the structural form of the material distribution trolley I to distribute materials.

Claims

1. A concrete mixing plant characterized in that: the automatic feeding system comprises a conveying belt, the conveying belt conveys the materials of required types from the storage bins to a first material distribution trolley, the first material distribution trolley conveys the materials to corresponding buffer storage bins in the automatic weighing and material waiting system, each type of material is correspondingly provided with a buffer storage bin, the buffer storage bins are provided with a first weighing unit, the automatic metering and material waiting system is provided with a first bin metering device corresponding to the buffer storage bins, the metering bin I is provided with a weighing unit II, the buffer storage bin is positioned above the metering bin and used for supplying materials to the metering bin, the storage capacity of the buffer storage bin is greater than that of the metering bin, and each metering bin I corresponds to aggregate required by concrete; the automatic metering material waiting system is further provided with a metering bin II, a metering bin III, a metering bin IV and a metering bin V, the automatic metering material waiting system respectively corresponds to four materials except aggregate in the required materials of the concrete, the metering bin II, the metering bin III, the metering bin IV and the metering bin V are respectively and correspondingly provided with a feeding bin I, a feeding bin II, a feeding bin III and a feeding bin IV which are used for feeding, the metering bin I, the metering bin II, the metering bin III, the metering bin IV and the metering bin V are mixed with the metered materials in the automatic stirring system, and the automatic stirring system is provided with a discharge hole which is used for being butted with a concrete tank truck so as to convey the stirred concrete away.

2. The concrete mixing plant according to claim 1, characterized in that: the automatic warehousing system comprises a first conveyor and a second conveyor, the first conveyor is obliquely arranged, one end of the first conveyor is in butt joint with a receiving hopper, the other end of the first conveyor is in butt joint with the second conveyor, the second conveyor is horizontally erected above a classified storage bin, the second conveyor is a second conveyor belt, the second conveyor belt comprises a frame and a second conveyor belt, a second running rail of the material distribution trolley is arranged on the frame, the material distribution trolley comprises a second frame, a second belt roller, a material distribution bin and a material distribution plate, the second conveyor belt bypasses the second belt roller and can transfer the material to the material distribution bin, the material distribution plate is located at the bottom of the material distribution bin, and the material distribution plate is provided with a closing position which is opened to discharge the material to the corresponding storage bin and closes a discharge opening of the material distribution bin.

3. The concrete mixing plant according to claim 2, characterized in that: the material distributing plates comprise a left half material plate and a right half material plate, and the left half material plate and the right half material plate simultaneously act to convey materials to the storage bins on two sides simultaneously.

4. The concrete mixing plant according to claim 3, characterized in that: the automatic feeding system comprises a material receiving belt conveyor and a material conveying belt conveyor, the material receiving belt conveyor is arranged below a discharge bin door of the storage bins, one material receiving belt conveyor corresponds to a plurality of storage bins, and the material conveying belt conveyor is in butt joint with the material receiving belt conveyor and a first material distributing trolley.

5. The concrete mixing plant according to claim 4, characterized in that: the automatic feeding system still includes the third conveyer, and the third conveyer is located the top that the automatic measurement waited the material system, and the buffer memory feed bin that the automatic measurement waited the material system distributes in the length direction's of third conveyer both sides, and the third conveyer includes third frame, third conveyer belt, is equipped with the confession in the third frame divide the track of material dolly operation, divide the material to get off one including frame one, band roller one, batching conveyer belt, and third conveyer belt walks around the band roller can shift the material to the batching conveyer belt in the lump on, the direction of delivery of batching conveyer belt is perpendicular with the direction of delivery of third conveyer belt, and the batching conveyer belt can forward and the reverse operation to the selectivity is carried the material to corresponding buffer memory feed bin.