CN109352821B - Concrete batching, stirring and conveying system and control method thereof - Google Patents

Concrete batching, stirring and conveying system and control method thereof Download PDF

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Publication number
CN109352821B
CN109352821B CN201811381209.1A CN201811381209A CN109352821B CN 109352821 B CN109352821 B CN 109352821B CN 201811381209 A CN201811381209 A CN 201811381209A CN 109352821 B CN109352821 B CN 109352821B
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China
Prior art keywords
stirring
hopper
controller
bin
sand
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CN109352821A (en
Inventor
何日鹏
张鹏
刘道青
胡世奇
周雄
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Changsha Topworld Engineering Machinery Co ltd
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Changsha Topworld Engineering Machinery Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/02Controlling the operation of the mixing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/04Supplying or proportioning the ingredients

Abstract

The concrete batching, stirring and conveying system comprises a batching device and a stirring and conveying device, wherein the batching device comprises a loading vehicle (1), a cement bin (2), a screw feeder (3), a belt conveyor (4), a stone bin (6) and a sand bin (7), a stone bin discharge valve (9), a first telescopic mechanism (10), a sand bin discharge valve (12), a second telescopic mechanism (13), a first weighing sensing device (14) and a second weighing sensing device (15); the stirring and conveying device comprises a loading platform (19), a hopper (20), a hopper lifting mechanism, a stirring mechanism (21), a water feeding pipeline, a water feeding control valve and a pumping mechanism (22). The batching device controls the discharge amount of the cement bin (2), the stone bin (6) and the sand bin (7), the belt conveyor (4) conveys the matched materials into the hopper, and the hopper unloads the materials into the stirring mechanism (21); the stirring mechanism (21) sends the stirred concrete to the pumping mechanism (22).

Description

Concrete batching, stirring and conveying system and control method thereof
Technical Field
The invention relates to the technical field of concrete machinery, in particular to a concrete batching, stirring and conveying system for realizing automatic batching, stirring and conveying of concrete; the invention also relates to a control method of the concrete batching, stirring and conveying system.
Background
At present, concrete operation in building construction is independently completed by different machines, and concrete batching is completed by a concrete batching machine; the concrete mixing is completed by various concrete mixers, and the most widely applied concrete mixer is a forced concrete mixer; concrete pumping, jetting, grouting and other functions are completed by the vehicle-mounted concrete conveying vehicle. The machines need specification matching, the production efficiency is low, the occupied area is large, labor and time are wasted in installation and debugging, personnel are needed to operate in a matching mode in the using process, and the problems of asynchronous matching of all processes, material overflowing and the like are avoided.
CN 202706563U discloses a concrete universal vehicle. The whole machine comprises a traction mechanism, a frame, a water tank, a cement bin, a cement conveying screw, a metering pump, a stone bin, a cement atomization hopper, a sand bin, a flow proportioning mechanism, a continuous stirring mechanism, a concrete pump, an injection device and the like, wherein the traction mechanism, the water tank, the cement bin, the cement conveying screw, the metering pump, the stone bin, the cement atomization hopper, the sand bin, the flow proportioning mechanism, the continuous stirring mechanism, the concrete pump and the injection device are all reasonably installed on the same frame, so that the devices such as manual automatic proportioning, forced continuous stirring, pumping, injection, grouting and the like are integrated, the movement is convenient, and the installation is avoided. During operation, the forklift is used for feeding, cement is continuously conveyed by the cement conveying screw after entering the cement bin, stones enter the stone bin, sand enters the sand bin, cement, stone and sand ingredients are metered in the flow rate proportioning mechanism according to flow rate and enter the continuous stirring mechanism, when water enters the continuous stirring mechanism from the water tank, the cement is atomized in the cement atomization hopper, concrete mixture uniformly flows out to the concrete pump through forced continuous stirring of the continuous stirring mechanism, functions of pumping, spraying, grouting and the like are completed through the spraying mechanism, and the metering pump can meter the concrete accelerator in spraying. Batching, stirring, pump sending all can realize automatic manual control, still install drive mechanism in the frame, can take the turns to drag the line, pull and just can begin the operation behind the job site, but the exclusive use can the modularization assemble a tractor serves several purposes.
Among the prior art, the flexibility that the concrete dosing unit lacked the removal, degree of automation is not high among the batching process, and the measurement accuracy is not high.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a concrete batching, stirring and conveying system which is flexible in transition and easy to realize automatic batching, stirring and conveying, and a control method thereof.
In order to solve the above technical problems, in one aspect, the present invention provides a concrete batching, stirring and conveying system, including a batching device and a stirring and conveying device; the batching device comprises a loading vehicle, a cement bin connected with the loading vehicle, a screw feeder with a feed inlet connected with a discharge outlet of the cement bin, a belt conveyor connected with the loading vehicle, a support with a bottom end connected with the loading vehicle, a discharge outlet positioned above the belt conveyor, a stone bin and a sand bin connected with the support, a stone bin discharge valve hinged with the stone bin through a first lug, a first telescopic mechanism with two ends respectively hinged with the stone bin discharge valve and the stone bin, a sand bin discharge valve hinged with the sand bin through a second lug, a second telescopic mechanism with two ends respectively hinged with the sand bin discharge valve and the sand bin, a first weighing sensing device positioned between the stone bin and the support and connected with the support, a weighing sensing device positioned between the sand bin and the support, The second weighing sensing device is connected with the bracket; the stirring and conveying device comprises a loading platform, a hopper and a hopper lifting mechanism which are connected with the loading platform, a stirring mechanism which is connected with the loading platform and used for receiving the materials from the hopper, a water feeding pipeline which is connected with the loading platform and used for feeding water into the stirring mechanism, a water feeding control valve which is arranged on the water feeding pipeline, and a pumping mechanism which is used for receiving the materials from the stirring mechanism.
As a further improved technical scheme, the concrete batching, stirring and conveying system provided by the invention is also provided with a first controller for controlling the first telescopic mechanism, the second telescopic mechanism, the belt conveyor and the screw feeder to operate; the first display operation screen is connected with the first controller; the second controller is used for controlling the hopper lifting mechanism, the stirring mechanism, the pumping mechanism and the water feeding control valve to operate; the second display operation screen is connected with the second controller; the position sensor is used for detecting whether the hopper is positioned at the lower limit or the upper limit of the hopper slide rail; a first sensor for detecting a surface position of a concrete fluid in a feed tank of the pumping mechanism; the detection information of the first weighing sensing device and the second weighing sensing device is input into the first controller; the detection information of the position sensor and the first sensor is input into the second controller; and the first controller and the second controller realize interconnection communication through wire or wireless.
As a further improved technical scheme, the concrete batching, stirring and conveying system provided by the invention is characterized in that the first hanging lug is connected with the stone silo through the first hinged support; and the second hanging lug is connected with the sand silo through a second hinged support.
As a further improved technical scheme, the concrete batching, stirring and conveying system provided by the invention is characterized in that the stone bin discharge valve and the sand bin discharge valve are respectively provided with an arc-shaped sliding plate, and the stone bin discharge port and the sand bin discharge port are respectively provided with a baffle plate which is matched and connected with the arc-shaped sliding plate.
As a further improved technical scheme, the concrete batching, stirring and conveying system provided by the invention is also provided with a plurality of transportation protection mechanisms, one ends of which are hinged with the bracket, and the other ends of which are detachably connected with the stone bin or the sand bin; the transportation protection mechanism comprises a threaded rod with one end hinged to the support, a supporting nut and a fastening nut, wherein the supporting nut and the fastening nut are connected with the threaded rod, and the clamping groove is formed in the stone bin or the sand bin and used for clamping the threaded rod.
As a further improved technical scheme, the concrete batching, stirring and conveying system provided by the invention is also provided with a vibration motor connected with the hopper.
In order to solve the above technical problem, in another aspect, the present invention provides a method for controlling a concrete batching, stirring and conveying system, wherein the concrete batching, stirring and conveying system comprises a batching device and a stirring and conveying device; the batching device comprises a loading vehicle, a cement bin connected with the loading vehicle, a screw feeder with a feed inlet connected with a discharge outlet of the cement bin, a belt conveyor connected with the loading vehicle, a support with a bottom end connected with the loading vehicle, a discharge outlet positioned above the belt conveyor, a stone bin and a sand bin connected with the support, a stone bin discharge valve hinged with the stone bin through a first lug, a first telescopic mechanism with two ends respectively hinged with the stone bin discharge valve and the stone bin, a sand bin discharge valve hinged with the sand bin through a second lug, a second telescopic mechanism with two ends respectively hinged with the sand bin discharge valve and the sand bin, a first weighing sensing device positioned between the stone bin and the support and connected with the support, a weighing sensing device positioned between the sand bin and the support, The system comprises a first weighing sensing device, a first controller, a first display operation screen and a second weighing sensing device, wherein the first weighing sensing device is connected with a support, the first controller is used for controlling the first telescopic mechanism, the second telescopic mechanism, a belt conveyor and a screw feeder to operate, the first display operation screen is connected with the first controller, and detection information of the first weighing sensing device and the second weighing sensing device is input into the first controller; the stirring and conveying device comprises a loading platform, a hopper and a hopper lifting mechanism which are connected with the loading platform, a stirring mechanism which is connected with the loading platform and is used for receiving the material coming from the hopper, a water feeding pipeline which is connected with the loading platform and is used for feeding water into the stirring mechanism, a water feeding control valve which is connected with the water feeding pipeline, a pumping mechanism which is used for receiving the material coming from the stirring mechanism, a second controller which is used for controlling the operation of the hopper lifting mechanism, the stirring mechanism, the pumping mechanism and the water feeding control valve, a second display operation screen which is connected with the second controller, and a position sensor which is used for detecting whether the hopper is positioned at the lower limit or the upper limit of a hopper sliding rail; the first sensor is used for detecting the surface position of concrete fluid in a feeding box of the pumping mechanism, the detection information of the position sensor and the first sensor is input into the second controller, and the first controller and the second controller are in wired or wireless interconnection communication; the operation process comprises the following steps:
the second controller detects whether the stirring mechanism is in an unloaded state in real time, the position sensor detects whether the hopper is positioned at the lower limit or the upper limit of the hopper slide rail in real time, and transmits a detection result to the second controller, the first weighing sensing device detects the amount of the materials in real time and inputs the amount of the materials into the first controller, and the first controller communicates with the second controller in real time; inputting or selecting the proportion of cement, stone and sand through a first display operation screen, and inputting the total mass of ingredients through the first display operation screen; inputting or selecting the water adding proportion and the mixing and stirring time of the stirring mechanism through a second display operation screen; when the second controller judges that the stirring mechanism is in an unloaded state, the hopper is positioned at the lower limit of the hopper slide rail, and the first controller judges that the amount of cement, stone and sand is enough, the first controller calculates the feeding amount of single cement, stone and sand of the hopper, the first controller controls the belt conveyor to start, the first controller controls the screw feeder to start and operate, the first controller controls the first telescopic mechanism to open the discharge valve of the stone bin, and the first controller controls the second telescopic mechanism to open the discharge valve of the sand bin; when the cement quality output by the screw feeder reaches the single feeding amount of the hopper, the first controller controls the screw feeder to stop running; when the quality of discharged stone materials reaches the single feeding amount of the hopper, the first controller controls the first telescopic mechanism to close the stone bin discharge valve; when the quality of discharged sand reaches the single feeding amount of the hopper, the first controller controls the second telescopic mechanism to close the discharge valve of the sand bin; the belt conveyor runs until the materials on the conveyor belt are completely discharged, and then the belt conveyor stops running; the second controller controls the lifting mechanism of the hopper to lift the hopper to the upper limit of the hopper slide rail, controls the hopper to stop running and realize unloading, and unloads the materials into the stirring mechanism; the second controller calculates the added water quantity according to the supplied material quantity and controls the water adding control valve to add water into the stirring mechanism; after the second controller controls the lifting mechanism of the hopper to lift the hopper to the lower limit of the hopper slide rail, the first controller controls the belt conveyor, the screw feeder, the first telescopic mechanism and the second telescopic mechanism to repeatedly convey materials to the hopper according to the steps, the second controller controls the hopper to repeatedly carry out lifting, unloading and descending processes according to the steps, and the second controller controls the water adding control valve to repeatedly add water according to the steps; stopping batching when the adding amount of the cement, the stone material and the sand material reaches the total mass of the batching; the second controller controls the stirring mechanism to operate; the first sensor detects the surface position of the fluid of concrete in the feeding box of the pumping mechanism in real time and transmits a detection result to the second controller; when the stirring mechanism reaches the material mixing and stirring time and the fluid surface position of the concrete in the feeding box reaches the set lower limit position, the second controller controls the stirring mechanism to discharge the material into the feeding box of the pumping mechanism; when the fluid surface position of the concrete in the feeding box reaches a set upper limit position, the second controller controls the stirring mechanism to stop discharging, and the stirring mechanism continues to stir; the second controller controls the operation of the pumping mechanism according to the construction requirement, and when the fluid surface position of the concrete in the feeding box reaches a set lower limit position, the discharging process is repeated; and when the concrete in the stirring mechanism is completely discharged, the stirring mechanism stops stirring.
As a further improved technical scheme, the control method of the concrete batching, stirring and conveying system provided by the invention comprises the steps that a first controller detects the starting states of a belt conveyor and a screw feeder in real time and detects the stretching states of a first stretching mechanism and a second stretching mechanism in real time, and the stretching states are displayed through a first display operation screen; the second controller detects the running states of the stirring mechanism and the pumping mechanism in real time and displays the running states through the second display operation screen.
As a further improved technical scheme, the control method of the concrete batching, stirring and conveying system provided by the invention also comprises a vibration motor connected with the hopper; when the hopper unloads, the second controller controls the vibration motor to be started.
The above improvements can be implemented alone or in combination without conflict.
According to the technical scheme provided by the invention, the first controller controls the first telescopic mechanism to operate the discharge valve of the stone bin, the first controller controls the second telescopic mechanism to operate the discharge valve of the sand bin, the spiral feeder controls the discharge amount of the cement bin and measures the discharge amount, the first weighing sensing device measures the discharge amount of the stone bin, the second weighing sensing device measures the discharge amount of the sand bin, and the proportioning of concrete can be controlled, the labor intensity is reduced and the stability of the concrete is improved by accurately measuring cement, stone and sand in the proportioning process. And a vehicle-mounted system is adopted, so that the movement is convenient. The second controller controls the hopper to operate, when the hopper is lifted to the upper limit of the hopper slide rail, the second controller controls the hopper to stop operating and realize unloading, and the material is unloaded into the stirring mechanism; the second controller calculates the added water quantity according to the supplied material quantity and controls the water adding control valve to add water into the stirring mechanism, and the stirring mechanism performs stirring operation; when the fluid surface position of the concrete in the feeding box of the pumping mechanism reaches a set lower limit position, the second controller controls the stirring mechanism to perform discharging operation, and the stirred concrete is sent to the pumping mechanism; and stopping discharging operation when the fluid surface position of the concrete in the feeding box reaches a set upper limit position, and changing the stirring operation mode into a stirring operation mode. The first controller and the second controller are in wired or wireless interconnection communication, linkage can be realized, and all procedures can automatically complete operation, so that the work efficiency is improved, and the stability of the concrete quality is improved. Has the characteristics of flexible transition and capability of realizing automatic batching, stirring and conveying.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this application, but are not intended to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of an embodiment concrete batching, mixing and conveying system;
FIG. 2 is a schematic view of the structure of a batching device of the concrete batching, stirring and conveying system of the embodiment;
FIG. 3 is a schematic view of a partial schematic front view of a concrete batching, mixing and conveying system according to an embodiment;
FIG. 4 is a schematic partial perspective view of a concrete batching, blending and conveying system according to an embodiment;
FIG. 5 is a schematic structural diagram of a stone silo and a stone silo discharge valve of the concrete batching, stirring and conveying system according to the embodiment;
FIG. 6 is a schematic structural diagram of a mixing and conveying device of the concrete batching, mixing and conveying system;
FIG. 7 is a flow chart of the concrete batching, blending and conveying system interconnection pattern.
Detailed Description
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The concrete batching, stirring and conveying system shown in fig. 1 to 6 comprises a batching device and a stirring and conveying device; the batching device comprises a loading vehicle 1, a cement bin 2 connected with the loading vehicle 1, a screw feeder 3 with a feed inlet connected with a discharge outlet of the cement bin 2, a belt conveyor 4 connected with the loading vehicle 1, a support 5 with a bottom end connected with the loading vehicle 1, a discharge outlet positioned above the belt conveyor 4, a stone bin 6 and a sand bin 7 connected with the support 5, a stone bin discharge valve 9 hinged with the stone bin 6 through a first suspension loop 8, a first telescopic mechanism 10 with two ends respectively hinged with the stone bin discharge valve 9 and the stone bin 6, a sand bin discharge valve 12 hinged with the sand bin 7 through a second suspension loop 11, a second telescopic mechanism 13 with two ends respectively hinged with the sand bin discharge valve 12 and the sand bin 7, a first weighing induction device 14 positioned between the stone bin 6 and the support 5 and connected with the support 5, a weighing induction device positioned between the sand bin 7 and the support 5, A second weighing sensing device 15 connected to the bracket 5; the stirring and conveying device comprises a loading platform 19, a hopper 20 and a hopper lifting mechanism which are connected with the loading platform 19, a stirring mechanism 21 which is connected with the loading platform 19 and receives the materials from the hopper 20, a water feeding pipeline which is connected with the loading platform 19 and feeds water into the stirring mechanism 21, a water feeding control valve which is arranged on the water feeding pipeline, and a pumping mechanism 22 which receives the materials from the stirring mechanism 21.
The working principle is as follows: hopper 20 is in the lower spacing of hopper slide rail, first telescopic machanism 10 is controlled stone material storehouse baiting valve 9, sand material storehouse baiting valve 12 is controlled to second telescopic machanism 13, the discharge amount of screw feeder 3 control cement feed bin 2 carries out the measurement, first weighing induction system 14 measures the discharge amount of stone material storehouse 6, induction system 15 is weighed to the discharge amount of sand material storehouse 7 to the second, the batching in-process is through to cement, building stones, the accurate measurement of sand material, can control the ratio of concrete, belt conveyor 4 carries the material after the cooperation to in hopper 20. When the hopper 20 is lifted to the upper limit position of the hopper slide rail, the hopper 20 stops running and realizes unloading, and the material is unloaded into the stirring mechanism 21; the second controller calculates the added water quantity according to the supplied material quantity and controls the water adding control valve to add water into the stirring mechanism 21; the stirring mechanism 21 performs stirring operation; after the set mixing and stirring time is reached, when the fluid surface position of the concrete in the feeding box of the pumping mechanism 22 reaches the set lower limit position, the second controller controls the stirring mechanism 21 to perform discharging operation, and the stirred concrete is sent to the pumping mechanism 22; and stopping discharging operation when the fluid surface position of the concrete in the feeding box reaches a set upper limit position, and changing the stirring operation mode into a stirring operation mode.
Optionally, in the technical solution provided by the present invention, the first hanging lug 8 is connected to the stone silo 6 through the first hinged support 16; the second hanging lug 11 is connected with the sand silo 7 through a second hinged support 17.
As shown in fig. 5, optionally, according to the technical solution provided by the present invention, the discharge valve 9 of the stone bin has an arc-shaped sliding plate, and the discharge port of the stone bin 6 has a baffle plate cooperatively connected with the arc-shaped sliding plate. The concave surface of the arc-shaped sliding plate of the discharge valve 9 faces the stone bin 6, and two ends of a discharge hole of the stone bin 6 are provided with fan-shaped baffles. The arc-shaped sliding plate is adopted, on one hand, the arc-shaped sliding plate rotates along a hinge shaft connected with the stone bin 6 through the first hanging lug 8, the arc-shaped sliding plate and the fan-shaped baffle plate can be in sliding connection or in clearance connection, when stone is loaded in the stone bin 6, the opening and closing are easy, and the reliability is high; on the other hand, the area of arc slide can be made bigger than the discharge gate, and is the indent and can reduce scattering of building stones. The sand silo 7 and the sand silo discharge valve 12 also have the same structural principle.
Optionally, the technical solution provided by the present invention further includes a plurality of transportation protection mechanisms 18, one end of each transportation protection mechanism is hinged to the support 5, and the other end of each transportation protection mechanism is detachably connected to the stone bin 6 or the sand bin 7, each transportation protection mechanism 18 includes a threaded rod, one end of each threaded rod is hinged to the support 5, a support nut and a fastening nut connected to the threaded rod, and a clamping groove is located on the stone bin 6 or the sand bin 7 and into which the threaded rod is clamped. When the stone bin 6 or the sand bin 7 is in the transportation process or the loading process, the transportation protection mechanism 18 is put into use, the stability of the stone bin 6 or the sand bin 7 can be improved, and meanwhile, the impact damage to the first weighing sensing device 14 and the second weighing sensing device 15 is avoided.
Optionally, the technical scheme provided by the invention further comprises a first controller for controlling the first telescopic mechanism 10, the second telescopic mechanism 13, the belt conveyor 4 and the screw feeder 3 to operate; the first display operation screen is connected with the controller; the second controller is used for controlling the hopper lifting mechanism, the stirring mechanism 21, the pumping mechanism 22 and the water filling control valve to operate; the second display operation screen is connected with the second controller; a position sensor for detecting whether the hopper 20 is at the lower limit or the upper limit of the hopper slide rail; a first sensor that detects the surface position of the concrete fluid within the feed tank of pumping mechanism 22; the detection information of the first weighing sensing device 14 and the second weighing sensing device 15 is input into the first controller; the detection information of the position sensor and the first sensor is input into the second controller; the first controller and the second controller are in wired or wireless interconnection communication.
As shown in fig. 7, in the improved technical scheme, the batching process includes the following steps: the second controller detects whether the stirring mechanism 21 is in an unloaded state in real time, the position sensor detects whether the hopper 20 is in a lower limit or an upper limit of a hopper slide rail in real time, and transmits a detection result to the second controller, the first weighing sensing device 14 and the second weighing sensing device 15 detect the amount of the materials in real time and input the amount of the materials into the first controller, and the first controller is communicated with the second controller in real time; inputting or selecting the proportion of cement, stone and sand through a first display operation screen, and inputting the total mass of ingredients through the first display operation screen; inputting or selecting the water adding proportion and the mixing and stirring time of the stirring mechanism 21 through a second display operation screen; when the second controller judges that the stirring mechanism 21 is in an unloaded state and the hopper 20 is positioned at the lower limit of the hopper slide rail, and the first controller judges that the amount of cement, stone and sand is enough, the first controller calculates the feeding amount of single cement, stone and sand of the hopper, the first controller controls the belt conveyor 4 to start, the first controller controls the screw feeder 3 to start and operate, the first controller controls the first telescopic mechanism 10 to open the stone bin discharge valve 9, and the first controller controls the second telescopic mechanism 13 to open the sand bin discharge valve 12; when the cement quality output by the screw feeder 3 reaches the single feeding quantity of the hopper, the first controller controls the screw feeder 3 to stop running; when the quality of discharged stone materials reaches the single feeding amount of the hopper, the first controller controls the first telescopic mechanism 10 to close the stone bin discharge valve 9; when the discharged sand mass reaches the single feeding amount of the hopper, the first controller controls the second telescopic mechanism 13 to close the discharge valve 12 of the sand silo; the belt conveyor 4 stops running after the materials on the conveyor belt are completely discharged; the second controller controls the lifting mechanism of the hopper to lift the hopper 20 to the upper limit of the hopper slide rail, controls the hopper 20 to stop running and realize unloading, and unloads the materials into the stirring mechanism 21; the second controller calculates the added water quantity according to the supplied material quantity and controls the water adding control valve to add water into the stirring mechanism 21; after the second controller controls the lifting mechanism of the hopper to lift the hopper 20 to the lower limit of the hopper slide rail, the first controller controls the belt conveyor 4, the screw feeder 3, the first telescopic mechanism 10 and the second telescopic mechanism 13 to repeatedly convey materials to the hopper 20 according to the steps, the second controller controls the hopper to repeat the lifting, unloading and descending processes of the steps, and the second controller controls the water adding control valve to repeat the water adding process according to the steps; stopping batching when the adding amount of the cement, the stone material and the sand material reaches the total mass of the batching; the second controller controls the stirring mechanism 21 to operate; the first sensor detects the fluid surface position of concrete in the feeding box of the pumping mechanism 22 in real time and transmits the detection result to the second controller; when the stirring mechanism 21 reaches the material mixing and stirring time and the fluid surface position of the concrete in the feeding box reaches the set lower limit position, the second controller controls the stirring mechanism 21 to discharge the material into the feeding box of the pumping mechanism 22; when the fluid surface position of the concrete in the feeding box reaches the set upper limit position, the second controller controls the stirring mechanism 21 to stop discharging, and the stirring mechanism 21 continues to stir; the second controller controls the operation of the pumping mechanism 22 according to the construction requirements, and when the fluid surface position of the concrete in the feeding box reaches a set lower limit position, the discharging process is repeated; when the concrete in the stirring mechanism 21 is completely discharged, the stirring mechanism 21 stops stirring.
In the operation process, the first controller calculates the conveying times of the discharge hopper and the amount and the ratio of each conveyed material according to the material ratio according to the total material bearing capacity of the stirring mechanism 21 and the single material bearing capacity of the hopper 20.
Optionally, in the technical scheme provided by the invention, the first controller detects the starting states of the belt conveyor 4 and the screw feeder 3 in real time, detects the stretching states of the first stretching mechanism 10 and the second stretching mechanism 13 in real time, and displays the stretching states through the first display operation screen; the second controller detects the running states of the stirring mechanism 21 and the pumping mechanism 22 in real time and displays the running states through the second display operation screen. The operating personnel can conveniently know the operating state of each device in time,
optionally, the present invention provides a technical solution, further comprising a vibration motor connected to the hopper 20; when the hopper 20 is discharging, the second controller controls the vibration motor to turn on. When unloading, the vibrating motor makes the hopper vibrate, so that the materials in the hopper can be conveniently unloaded completely.
Optionally, the present invention provides a concrete batching, blending, and delivery system further having a vibratory motor coupled to hopper 20. When the hopper discharges materials for 20 years, the second controller controls the vibration motor to start, so that the materials in the hopper 20 are discharged more cleanly.
It is obvious that the present invention is not limited to the above preferred embodiments, and various changes and modifications can be made within the spirit of the present invention defined by the claims and the specification, so that the same technical problems can be solved and the intended technical effects can be obtained, and thus, they are not repeated. All solutions which can be directly or indirectly derived from the disclosure of the present invention by a person skilled in the art are within the spirit of the present invention as defined by the appended claims.

Claims (3)

1. A control method of a concrete batching, stirring and conveying system comprises a batching device and a stirring and conveying device, and is characterized in that the batching device comprises a loading truck (1), a cement bin (2) connected with the loading truck (1), a screw feeder (3) with a feed inlet connected with a discharge outlet of the cement bin (2), a belt conveyor (4) connected with the loading truck and a support (5) with a bottom end connected with the loading truck (1), a discharge outlet is positioned above the belt conveyor (4), a stone bin (6) and a sand bin (7) connected with the support (5), a stone bin emptying valve (9) is hinged with the stone bin (6) through a first suspension loop (8), and a first telescopic mechanism (10) with two ends respectively hinged with the stone bin emptying valve (9) and the stone bin (6), the automatic weighing system comprises a sand silo discharge valve (12) hinged with a sand silo (7) through a second hanging lug (11), a second telescopic mechanism (13) with two ends respectively hinged with the sand silo discharge valve (12) and the sand silo (7), a first weighing sensing device (14) located between a stone silo (6) and a support (5) and connected with the support (5), a second weighing sensing device (15) located between the sand silo (7) and the support (5) and connected with the support (5), a first controller controlling the first telescopic mechanism (10), the second telescopic mechanism (13), a belt conveyor (4) and a screw feeder (3) to operate, and a first display operation screen connected with the first controller, wherein detection information of the first weighing sensing device (14) and the second weighing sensing device (15) is input into the first controller; the stirring and conveying device comprises a loading platform (19), a hopper (20) and a hopper lifting mechanism which are connected with the loading platform (19), a stirring mechanism (21) which is connected with the loading platform (19) and accepts the incoming materials of the hopper (20), a water adding pipeline which is connected with the loading platform (19) and adds water into the stirring mechanism (21), a water adding control valve which is connected with the water adding pipeline, a pumping mechanism (22) which accepts the incoming materials of the stirring mechanism (21), a plurality of transportation protection mechanisms (18) which are connected with a stone bin (6) or a sand bin (7) in a detachable way, a second controller which controls the operation of the hopper lifting mechanism, the stirring mechanism (21), the pumping mechanism (22) and the water adding control valve, and a second display operation screen which is connected with the second controller, wherein the second display operation screen detects whether the hopper (20) is positioned at the lower limit position or the upper limit position sensor of a hopper slide rail, the first sensor is used for detecting the surface position of concrete fluid in a feeding box of the pumping mechanism (22), the detection information of the position sensor and the first sensor is input into the second controller, and the first controller and the second controller are in wired or wireless interconnection communication; the transportation protection mechanism (18) comprises a threaded rod, a supporting nut and a fastening nut, wherein one end of the threaded rod is hinged with the support (5), and the supporting nut and the fastening nut are connected with the threaded rod; the operation process comprises the following steps:
the second controller detects whether the stirring mechanism (21) is in an unloaded state in real time, the position sensor detects whether the hopper (20) is in a lower limit or an upper limit of a hopper slide rail in real time, a detection result is transmitted to the second controller, the first weighing sensing device (14) and the second weighing sensing device (15) detect the amount of materials timely and input the amount of the materials into the first controller, and the first controller is communicated with the second controller in real time; inputting or selecting the proportion of cement, stone and sand through a first display operation screen, and inputting the total mass of ingredients through the first display operation screen; inputting or selecting the water adding proportion and the mixing and stirring time of the stirring mechanism (21) through a second display operation screen; when the second controller judges that the stirring mechanism (21) is in an unloaded state and the hopper (20) is positioned at the lower limit of the hopper slide rail, and the first controller judges that the cement, stone and sand amount is enough, the first controller calculates the feeding amount of single cement, stone and sand of the hopper, the first controller controls the belt conveyor (4) to start, the first controller controls the screw feeder (3) to start and run, the first controller controls the first telescopic mechanism (10) to open the stone bin discharge valve (9), and the first controller controls the second telescopic mechanism (13) to open the sand bin discharge valve (12); when the cement quality output by the screw feeder (3) reaches the single feeding quantity of the hopper, the first controller controls the screw feeder (3) to stop running; when the quality of discharged stones reaches the single feeding amount of the hopper, the first controller controls the first telescopic mechanism (10) to close the stone bin discharge valve (9); when the discharged sand quality reaches the single feeding amount of the hopper, the first controller controls the second telescopic mechanism (13) to close the discharge valve (12) of the sand bin; the belt conveyor (4) stops running after the materials on the conveyor belt are discharged; the second controller controls the lifting mechanism of the hopper to lift the hopper (20) to the upper limit of the hopper slide rail, controls the hopper (20) to stop running and realize unloading, and unloads the materials into the stirring mechanism (21); the second controller calculates the added water quantity according to the supplied material quantity and controls the water adding control valve to add water into the stirring mechanism (21); after the second controller controls the lifting mechanism of the hopper to lift the hopper (20) to the lower limit of the hopper slide rail, the first controller controls the belt conveyor (4), the screw feeder (3), the first telescopic mechanism (10) and the second telescopic mechanism (13) to repeatedly convey materials to the hopper (20) according to the steps, the second controller controls the hopper to repeat the lifting, unloading and descending processes of the steps, and the second controller controls the water adding control valve to repeat the water adding process according to the steps; stopping batching when the adding amount of the cement, the stone material and the sand material reaches the total mass of the batching; the second controller controls the stirring mechanism (21) to operate; the first sensor detects the surface position of the fluid of concrete in a feeding box of the pumping mechanism (22) in real time and transmits a detection result to the second controller; when the stirring mechanism (21) reaches the material mixing and stirring time and the fluid surface position of concrete in the feeding box reaches the set lower limit position, the second controller controls the stirring mechanism (21) to discharge materials into the feeding box of the pumping mechanism (22); when the fluid surface position of the concrete in the feeding box reaches a set upper limit position, the second controller controls the stirring mechanism (21) to stop discharging, and the stirring mechanism (21) continues to stir; the second controller controls the operation of the pumping mechanism (22) according to the construction requirement, and when the fluid surface position of the concrete in the feeding box reaches a set lower limit position, the discharging process is repeated; when the concrete in the stirring mechanism (21) is completely discharged, the stirring mechanism (21) stops stirring.
2. The control method of the concrete batching, stirring and conveying system according to claim 1, characterized in that a first controller detects the starting state of the belt conveyor (4) and the screw feeder (3) in real time and detects the stretching state of the first stretching mechanism (10) and the second stretching mechanism (13) in real time, and the stretching state is displayed through a first display operation screen; the second controller detects the running states of the stirring mechanism (21) and the pumping mechanism (22) in real time and displays the running states through a second display operation screen.
3. The method of controlling a concrete batching, mixing and conveying system according to claim 1, characterized in that it further comprises a vibrating motor connected to the hopper (20); when the hopper (20) discharges, the second controller controls the vibration motor to be started.
CN201811381209.1A 2018-11-20 2018-11-20 Concrete batching, stirring and conveying system and control method thereof Active CN109352821B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201284452Y (en) * 2008-10-24 2009-08-05 秦皇岛通联重工有限公司 Articulated mortar stirring and pouring vehicle
CN102029650A (en) * 2010-11-01 2011-04-27 泉州市三隆重工实业有限公司 Movable type concrete mixer
CN202706563U (en) * 2012-05-15 2013-01-30 安阳市圆通建筑机械有限公司 Universal concrete truck
CN105922438A (en) * 2016-06-17 2016-09-07 佛山市联智新创科技有限公司 Concrete integral production system
CN108115833A (en) * 2016-06-17 2018-06-05 合肥图腾龙机械设计有限公司 A kind of Multi-stage stirring formula concrete central mix plant

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201284452Y (en) * 2008-10-24 2009-08-05 秦皇岛通联重工有限公司 Articulated mortar stirring and pouring vehicle
CN102029650A (en) * 2010-11-01 2011-04-27 泉州市三隆重工实业有限公司 Movable type concrete mixer
CN202706563U (en) * 2012-05-15 2013-01-30 安阳市圆通建筑机械有限公司 Universal concrete truck
CN105922438A (en) * 2016-06-17 2016-09-07 佛山市联智新创科技有限公司 Concrete integral production system
CN108115833A (en) * 2016-06-17 2018-06-05 合肥图腾龙机械设计有限公司 A kind of Multi-stage stirring formula concrete central mix plant

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