CN111331729A - Stirring system, pumping machine, control method thereof and storage medium - Google Patents
Stirring system, pumping machine, control method thereof and storage medium Download PDFInfo
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- CN111331729A CN111331729A CN202010203552.8A CN202010203552A CN111331729A CN 111331729 A CN111331729 A CN 111331729A CN 202010203552 A CN202010203552 A CN 202010203552A CN 111331729 A CN111331729 A CN 111331729A
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- stirring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus 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
- B28C5/0806—Details; Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling 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
- B28C7/02—Controlling the operation of the mixing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling 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
- B28C7/16—Discharge means, e.g. with intermediate storage of fresh concrete
- B28C7/162—Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure
- B28C7/163—Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure using a pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/02—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having two cylinders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Structural Engineering (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention provides a stirring system, a pumping machine, a control method of the pumping machine and a storage medium, wherein the stirring system comprises: a hopper having a discharge port; and the stirring device is at least partially arranged in the hopper, and the stirring speed of the stirring device is adjusted according to the discharge speed of the discharge port. The stirring system provided by the invention is provided with the hopper and the stirring device, the hopper discharges from the discharge hole, and the stirring speed of the stirring device is determined according to the discharge speed of the discharge hole, so that the stirring speed and the discharge speed of the discharge hole are optimally matched, the material suction capacity of concrete is improved, and the material suction performance of the concrete can be kept in an optimal state at different discharge speeds.
Description
Technical Field
The invention relates to the technical field of concrete mixing, in particular to a mixing system, a pumping machine, a control method of the pumping machine and a computer readable storage medium.
Background
The conventional stirring system is generally characterized in that a fixed-quantity hydraulic oil pump is driven by an engine, and a fixed-quantity stirring motor is driven by a fixed-quantity hydraulic oil, so that the stirring speed is constant in the whole pumping process.
Therefore, it is often the case that the mixing motor is too fast or too slow, which can cause problems for the pumping of the concrete: when the stirring speed is too slow, the feeding function and the material suction performance of the stirring blade are poor; when the stirring speed is too high, the segregation of concrete is easily caused, and the pipe blockage is easily caused.
Disclosure of Invention
The present invention is directed to overcoming at least one of the problems set forth in the prior art.
To this end, the embodiment of the first aspect of the invention provides a stirring system.
A second aspect embodiment of the invention proposes a pumping machine.
A third aspect of the present disclosure provides a method for controlling a pumping machine.
A fourth aspect of the present invention is directed to a computer-readable storage medium.
In view of the above, according to an embodiment of the first aspect of the present invention, the present invention provides a stirring system, including: a hopper having a discharge port; and the stirring device is at least partially arranged in the hopper, and the stirring speed of the stirring device is adjusted according to the discharge speed of the discharge port.
The stirring system provided by the invention is provided with the hopper and the stirring device, the hopper discharges from the discharge hole, and the stirring speed of the stirring device is determined according to the discharge speed of the discharge hole, so that the stirring speed and the discharge speed of the discharge hole are optimally matched, the material suction capacity of concrete is improved, and the material suction performance of the concrete can be kept in an optimal state at different discharge speeds.
In addition, the stirring system according to the above embodiment of the present invention may further have the following additional technical features:
on the basis of the technical scheme, the method further comprises the following steps: a first inlet/outlet and a second inlet/outlet; one end of the output switching tube is connected with the discharge hole, and the other end of the output switching tube can be switched between the first inlet and the second inlet; the discharge speed of the discharge port is determined by the discharge speed of the first inlet/outlet or the discharge speed of the second inlet/outlet.
In the technical scheme, the hopper is also provided with two inlets and outlets, namely a first inlet and outlet and a second inlet and outlet, one end of the output switching pipe is connected with the discharge port, the other end of the output switching pipe is alternately connected with the first inlet and outlet, namely the second inlet and outlet, so that alternate material suction and feeding of the first inlet and outlet and the second inlet and outlet are realized, wherein the discharge speeds of the first inlet and outlet and the second inlet and outlet can reflect the discharge speed of the discharge port, therefore, the stirring speed of the stirring device can be determined according to the discharge speed of the first inlet and outlet and the discharge speed of the second inlet and outlet, the stirring speed is optimally matched with the discharge speeds of the first inlet and outlet and the second inlet and outlet, the material suction capacity of concrete is improved, namely, when the concrete is ensured to be sucked at different discharge speeds (specifically, the material suction speed of the conveying cylinder, and the conveying cylinder sucks the material through the first inlet and outlet, the material absorption performance can be kept in the best state.
On the basis of any one of the above technical solutions, further, the stirring device includes: the first stirring device is at least partially arranged in the hopper and corresponds to the first inlet and the first outlet; the second stirring device is at least partially arranged in the hopper and corresponds to the second inlet and the second outlet; the stirring speeds of the first stirring device and the second stirring device can be independently adjusted, wherein the stirring speed of the first stirring device is adjusted according to the discharge speed of the first inlet and the discharge speed of the second stirring device is adjusted according to the discharge speed of the second inlet and the discharge speed of the second inlet.
In this technical scheme, agitating unit has two agitating unit, realizes the ejection of compact of first import and export through first agitating unit promptly, realizes the ejection of compact of second import and export through second agitating unit, and then makes the stirring speed of first agitating unit or the stirring speed of second agitating unit and the ejection of compact speed of its first import and export or second import and export of matching all be best fit state, further guarantees that concrete when the ejection of compact speed of difference, its material absorption performance homoenergetic keeps in the optimum state.
On the basis of any one of the above technical solutions, further, the first stirring device includes: a first motor; the first transmission mechanism is connected with the first motor; the first supporting seat is arranged in the hopper in a penetrating way; the first bearing is arranged on the first supporting seat, and the first transmission mechanism penetrates through the first bearing; the first stirring shaft is connected with the first transmission mechanism; the first stirring blade is arranged on the first stirring shaft and is positioned in the hopper; and/or the second stirring device comprises: a second motor; the second transmission mechanism is connected with the second motor; the second supporting seat penetrates through the hopper; the second bearing is arranged on the second supporting seat, and the second transmission mechanism penetrates through the second bearing; the second stirring shaft is connected with the second transmission mechanism; and the second stirring blade is arranged on the second stirring shaft and is positioned in the hopper.
In the technical scheme, a first supporting seat is arranged on a hopper, a first bearing is arranged in the first supporting seat, a first transmission mechanism penetrates through the first bearing, a first stirring shaft is connected with the first transmission mechanism, and a first motor drives the first transmission mechanism to drive the first stirring shaft and a first stirring blade to rotate so as to stir materials in the hopper and realize independent control of a first stirring device; and/or a second supporting seat is arranged on the hopper, a second bearing is installed in the second supporting seat, a second transmission mechanism penetrates into the second bearing, and a second stirring shaft is connected with the second transmission mechanism to drive the second transmission mechanism by a second motor so as to drive the second stirring shaft and a second stirring blade to rotate, so that materials in the hopper are stirred, and the independent control of a second stirring device is realized.
According to a second aspect of embodiments of the present invention, there is provided a pumping machine comprising: the stirring system according to any one of the preceding claims; and the conveying system is connected with the discharge port.
The pumping machine provided by the invention comprises the stirring system according to any one of the above technical solutions, so that all the advantages of the stirring system according to any one of the above technical solutions are achieved, and therefore, the description is omitted.
On the basis of any one of the above technical solutions, further, the stirring system includes: the first inlet and outlet, the second inlet and outlet and the output switching tube: the conveying system comprises: the first conveying cylinder is communicated with the first inlet and the first outlet; the second conveying cylinder is communicated with the second inlet and the second outlet; the discharging speed of the first inlet and outlet is determined according to the running speed of a piston in the first conveying cylinder; the discharge speed of the second inlet and outlet is determined according to the running speed of the piston in the second conveying cylinder.
In the technical scheme, the conveying system comprises a first conveying cylinder and a second conveying cylinder, the two conveying cylinder plugs are used for alternately sucking and feeding materials, the first stirring device feeds materials for the first conveying cylinder, the second stirring device feeds materials for the second conveying cylinder, and the operating speeds of middle pistons of the first conveying cylinder and the second conveying cylinder can reflect the discharging speeds of the first inlet and the second outlet, so that the stirring speed of each stirring device and the discharging speed of a discharging port matched with the stirring speed of each stirring device are in the best matching state, and the material sucking performance of the concrete can be kept in the best state when the concrete is discharged at different discharging speeds.
According to a third aspect of the embodiment of the invention, the invention provides a control method of a pumping machine, the pumping machine comprises a stirring system and a conveying system, the stirring system comprises a hopper with a discharge port and a stirring device at least partially positioned in the hopper, the conveying system is communicated with the hopper, and the discharge speed of the discharge port of the hopper is detected; and adjusting the stirring speed of the stirring device according to the discharging speed.
According to the control method of the stirring system, the stirring speed of the stirring device is determined according to the discharging speed of the discharging port, so that the stirring speed and the discharging speed of the discharging port are optimally matched, the material suction capacity of concrete is improved, and the material suction performance of the concrete can be kept in an optimal state at different discharging speeds.
On the basis of the technical scheme, further, the conveying system comprises two conveying cylinders: the step of detecting the discharge speed of the discharge hole of the hopper specifically comprises the following steps: detecting the running speed of a piston in a material suction state in the two conveying cylinders; according to ejection of compact speed, adjust agitating unit's stirring speed's step specifically is: and adjusting the stirring speed of the stirring device according to the running speed.
In the technical scheme, if the hopper is connected with the conveying cylinder, the conveying cylinder sucks materials, the materials are conveyed and discharged, and the stirring speed of the stirring device is adjusted according to the running speed of the piston in the conveying cylinder so as to ensure that the material sucking performance can be kept in the optimal state.
On the basis of any one of the above technical solutions, further, the conveying system includes two conveying cylinders, detects the step of the discharge speed of the discharge gate of the hopper, specifically includes: acquiring the reversing times of pistons in the two conveying cylinders; and calculating the discharging speed according to the reversing times.
In the technical scheme, the discharging speed can be calculated according to the reversing times of the pistons in the two conveying cylinders, and then the stirring speed of the stirring device is determined according to the discharging speed.
According to a fourth aspect of the present invention, the present invention proposes a computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements a method of controlling a pumping machine as set forth in any one of the above-mentioned claims.
The computer-readable storage medium of the present invention, which stores the control method of the pumping machine according to any one of the above-mentioned embodiments when executed by the processor, achieves all the advantages of the control method of the pumping machine according to any one of the above-mentioned embodiments, and is not described herein.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of a stirring system provided in an embodiment of a first aspect of the present invention;
FIG. 2 is a schematic structural diagram of a stirring system provided in an embodiment of a second aspect of the present invention;
fig. 3 is a schematic structural diagram of a pumping machine provided in an embodiment of a second aspect of the present invention;
fig. 4 is a flowchart illustrating a method of controlling a pumping machine according to an embodiment of the third aspect of the present invention;
fig. 5 is a flowchart illustrating a method of controlling a pumping machine according to an embodiment of a second aspect of the present invention;
fig. 6 is a flowchart showing a control method of a pumping machine according to a third embodiment of the present invention;
fig. 7 is a flowchart illustrating a method for controlling a pumping machine according to a fourth embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is:
100 stirring system, 110 hopper, 112 discharge port, 114 first inlet/outlet, 116 second inlet/outlet, 118 output switching pipe, 130 stirring device, 140 first stirring device, 142 first motor, 144 first transmission mechanism, 146 first bearing, 148 first supporting seat, 150 first stirring shaft, 152 first stirring blade, 160 second stirring device, 162 second motor, 164 second transmission mechanism, 166 second bearing, 168 second supporting seat, 170 second stirring shaft, 172 second stirring blade, 200 pumping machine, 210 conveying system, 212 first conveying cylinder, 214 second conveying cylinder, 220 controller, 230 hydraulic pump and 240 engine.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The following describes the stirring system 100, the pumping machine 200, the control method of the pumping machine, and the computer-readable storage medium provided according to some embodiments of the present invention with reference to fig. 1 to 7.
Example 1:
as shown in fig. 1 and 2, according to a first aspect of the present invention, the present invention provides a stirring system 100, including: a hopper 110 having a discharge port 112; the stirring device 130 is provided in the hopper 110, and the stirring speed of the stirring device 130 of the hopper 110 is adjusted according to the discharge speed of the discharge port 112.
The stirring system 100 provided by the invention is provided with the hopper 110 and the stirring device 130, the hopper 110 is discharged from the discharge port 112, the stirring speed of the stirring device 130 is determined according to the discharge speed of the discharge port 112, further, the stirring speed and the discharge speed of the discharge port 112 are optimally matched, the material suction capacity of concrete is improved, and the material suction performance of the concrete can be kept in an optimal state when the concrete is discharged at different discharge speeds.
Specifically, the discharge speed of the discharge port 112 may be detected by a sensor, such as: a flow rate detection device.
Example 2:
as shown in fig. 1 and 2, in addition to embodiment 1, a first inlet/outlet port 114 and a second inlet/outlet port 116; an output switching pipe 118, one end of which is connected to the discharge port 112 and the other end of which is switchable between the first inlet/outlet port 114 and the second inlet/outlet port 116; the discharge velocity of the discharge port 112 is determined by the discharge velocity of the first port 114 or the discharge velocity of the second port 116.
In this embodiment, the hopper 110 further has two inlets and outlets, namely a first inlet and outlet 114 and a second inlet and outlet 116, one end of the output switching pipe 118 is connected to the outlet 112, the other end is connected to the first inlet and outlet 114 and the second inlet and outlet 116, thereby realizing the alternate material suction and feeding of the first inlet and outlet 114 and the second inlet and outlet 116, the discharge speed of the first port 114 and the second port 116 can reflect the discharge speed of the discharge port 112, and therefore, the stirring speed of the stirring device 130 can be determined according to the discharge speed of the first inlet/outlet 114 and the discharge speed of the second inlet/outlet 116, thereby enabling the mixing speed to be optimally matched with the discharging speeds of the first inlet and outlet 114 and the second inlet and outlet 116, improving the material absorbing capacity of the concrete, namely, the material suction performance of the concrete can be kept in the best state when the concrete is discharged at different discharging speeds.
The discharge speed of the first inlet/outlet port 114 indicates a speed at which the hopper 110 is discharged to the corresponding transport cylinder through the first inlet/outlet port 114, and the discharge speed of the second inlet/outlet port 116 indicates a speed at which the hopper 110 is discharged to the corresponding transport cylinder through the second inlet/outlet port 116.
Specifically, the discharge speed of the first port 114 and the second port 116 can also be detected by sensors, such as: a flow rate detection device.
Example 3:
as shown in fig. 1 or fig. 2, in addition to embodiment 1 or embodiment 2, the stirring device 130 further includes: a first stirring device 140 at least partially disposed within the hopper 110; and a second stirring device 160 at least partially disposed within the hopper 110.
Specifically, the first stirring device 140 is disposed corresponding to the first inlet/outlet 114; the second stirring device 160 is arranged corresponding to the second inlet/outlet 116; the stirring speeds of the first stirring device 140 and the second stirring device 160 can be independently adjusted, the stirring speed of the first stirring device 140 is adjusted according to the discharge speed of the first inlet/outlet 114, and the stirring speed of the second stirring device 160 is adjusted according to the discharge speed of the second inlet/outlet 116.
In this embodiment, the stirring device 130 has two stirring devices, that is, the first stirring device 140 is used to discharge the first inlet/outlet 114, and the second stirring device 160 is used to discharge the second inlet/outlet 116, so that the stirring speed of the first stirring device 140 or the stirring speed of the second stirring device 160 and the discharge speed of the first inlet/outlet 114 or the second inlet/outlet 116 matched with the stirring speed of the first stirring device 140 or the second stirring device 160 are both in the best matching state, thereby further ensuring that the material absorption performance of the concrete can be kept in the best state at different discharge speeds.
Example 4:
as shown in fig. 1, in addition to embodiment 3, further, the stirring device 130 includes a supporting base, which is disposed on the hopper 110 and is located at one side of the hopper 110; the bearing is arranged on the supporting seat; the transmission mechanism is connected with the bearing and can rotate relative to the supporting seat; a motor for driving the transmission mechanism; and two blades, which are positioned in the hopper 110, are installed on the rotating shaft and can rotate along with the rotating shaft.
Further, the stirring device 130 includes a motor; the motor is a quantitative hydraulic motor, the stirring device 130 further comprises a hydraulic pump 230, specifically, the stirring device 130 further comprises: a quantitative hydraulic pump and a hydraulic flow speed regulating valve; or the motor is a quantitative hydraulic motor, the stirring device 130 further includes: a variable displacement hydraulic pump; or the motor is a variable hydraulic motor, the stirring device 130 further includes: a quantitative hydraulic pump; or the stirring device 130 further includes: the engine 240 adopts a variable frequency motor as the engine 240.
In this embodiment, the stirring device 130 includes a fixed-displacement hydraulic motor, a fixed-displacement hydraulic pump, and a hydraulic flow rate regulating valve, and the rotation speed of the fixed-displacement hydraulic motor is regulated by regulating the hydraulic flow rate regulating valve; or the stirring device 130 comprises a fixed displacement hydraulic motor and a variable displacement hydraulic pump, and the rotating speed of the fixed displacement hydraulic motor is adjusted by changing the displacement of the variable displacement hydraulic pump; or the stirring device 130 comprises a variable hydraulic motor and a fixed-displacement hydraulic pump, and the rotating speed of the variable hydraulic motor is adjusted by changing the displacement of the variable hydraulic motor; or the stirring device 130 comprises a motor and a variable frequency motor, and the rotating speed of the motor can be adjusted by changing the frequency of the variable frequency motor.
Specifically, the stirring device 130 performs low-speed or high-speed stirring according to the discharge speed of the discharge port.
Example 5:
as shown in fig. 2, in addition to embodiment 3, the first stirring device 140 further includes: a first motor 142; a first transmission mechanism 144 connected to the first motor 142; a first support 148 passing through the hopper 110; a first bearing 146 disposed on the first support seat 148, wherein the first transmission mechanism 144 is disposed through the first bearing 146; a first stirring shaft 150 connected to the first transmission mechanism 144; the first stirring blade 152 is disposed on the first stirring shaft 150, and the first stirring blade 152 is located in the hopper 110.
In this embodiment, a first supporting seat 148 is disposed on the hopper 110, a first bearing 146 is installed in the first supporting seat 148, a first transmission mechanism 144 penetrates the first bearing 146, a first stirring shaft 150 is connected to the first transmission mechanism 144, the first transmission mechanism 144 is driven by a first motor 142, the first stirring shaft 150 and a first stirring blade 152 are driven to rotate, and thus the material in the hopper 110 is stirred, and the first stirring device 140 is independently controlled.
Example 6:
as shown in fig. 2, in addition to embodiment 3 or embodiment 5, the second stirring device 160 further includes: a second motor 162; a second transmission mechanism 164 connected with the second motor 162; a second support base 168 disposed through the hopper 110; a second bearing 166 disposed on the second support base 168, wherein the second transmission mechanism 164 is disposed through the second bearing 166; the second stirring shaft 170 is connected with the second transmission mechanism 164; and a second stirring blade 172 disposed on the second stirring shaft 170, wherein the second stirring blade 172 is located in the hopper 110.
In this embodiment, a second supporting seat 168 is disposed on the hopper 110, a second bearing 166 is installed in the second supporting seat 168, the second transmission mechanism 164 penetrates the second bearing 166, and a second stirring shaft 170 is connected to the second transmission mechanism 164, so that the second motor 162 drives the second transmission mechanism 164 to drive the second stirring shaft 170 and the second stirring blade 172 to rotate, thereby stirring the material in the hopper 110, and realizing independent control of the second stirring device 160.
The stirring system 100 further includes a controller 220, wherein the controller 220 controls the stirring speed of the stirring device 130.
Example 7:
as shown in fig. 3, according to a second aspect embodiment of the present invention, there is provided a pumping machine 200, comprising: the agitation system 100 as provided in any one of embodiments 1 through 4 above; and a conveying system 210, the conveying system 210 being connected to the hopper 110.
The pumping machine 200 provided by the present invention includes the stirring system 100 provided in any one of the above embodiments 1 to 6, and therefore, has all the advantages of the stirring system 100 provided in any one of the above embodiments 1 to 6, which are not described herein.
In particular, the pumping machine 200 may pump concrete, mortar, or the like.
Example 8:
on the basis of embodiment 7, further, as shown in fig. 3, the stirring system 100 includes: in the case of the first inlet/outlet port 114, the second inlet/outlet port 116, and the output switching tube 118: the conveying system 210 includes: a first delivery cylinder 212 communicating with the first inlet/outlet port 114; a second delivery cylinder 214 communicating with the second port 116; the discharge speed of the first port 114 is determined according to the operating speed of the piston in the first delivery cylinder 212; the discharge velocity of the second port 116 is determined based on the operating speed of the piston in the second delivery cylinder 214.
In this embodiment, the conveying system 110 includes a first conveying cylinder 212 and a second conveying cylinder 214, which are used for alternately sucking and feeding materials, and further the first stirring device 140 feeds materials to the first conveying cylinder 212, and the second stirring device 160 feeds materials to the second conveying cylinder 214, and the operating speeds of the pistons in the first conveying cylinder 212 and the second conveying cylinder 214 can reflect the discharging speeds of the first inlet/outlet 114 and the second inlet/outlet 116, so that the stirring speed of each stirring device and the discharging speed of the discharge port matched with the stirring speed of each stirring device are the best fit state, and further, the material sucking performance of the concrete can be kept in the best state at different discharging speeds.
Specifically, when the output switching pipe 118 is connected to the first inlet/outlet 114, the first delivery cylinder 212 feeds and the second delivery cylinder 214 sucks, and when the output switching pipe 118 is connected to the second inlet/outlet 116, the second delivery cylinder 214 feeds and the first delivery cylinder 212 sucks, thereby realizing uninterrupted feeding.
More specifically, when the first conveying cylinder 212 sucks, the first stirring device 140 adjusts the stirring speed according to the discharging speed of the first inlet/outlet 114, and at this time, the second conveying cylinder 214 feeds, and the second inlet/outlet 116 is connected with the output switching pipe 118, i.e. the second stirring device 160 can stop stirring, or stir at a low speed; when the material is sucked by the opposite second delivery cylinder 214, the second stirring device 160 adjusts the stirring speed according to the discharging speed of the second inlet/outlet 116, and at this time, the first delivery cylinder 212 feeds the material, and the first inlet/outlet 114 is connected to the output switching pipe 118, i.e. the first stirring device 140 can stop stirring, or stir at a low speed.
Example 9:
fig. 4 is a flowchart illustrating a method for controlling a pumping machine according to an embodiment of the first aspect of the present invention.
As shown in fig. 4, a specific flow of a method for controlling a pumping machine according to an embodiment of a first aspect of the present invention includes:
step 402: detecting the discharging speed of a discharging port of the hopper;
step 404: and adjusting the stirring speed of the stirring device according to the discharging speed.
In this embodiment, the stirring speed of the stirring device is determined according to the discharge speed of the discharge port, so that the stirring speed and the discharge speed of the discharge port are optimally matched, the material suction capacity of the concrete is improved, and the material suction performance of the concrete can be kept in an optimal state at different discharge speeds.
Example 10:
fig. 5 is a flowchart illustrating a method for controlling a pumping machine according to a second embodiment of the present invention.
As shown in fig. 5, a specific process of a method for controlling a pumping machine according to a second embodiment of the third aspect of the present invention includes:
step 502: detecting the running speed of a piston in a material suction state in the two conveying cylinders;
step 504: and adjusting the stirring speed of the stirring device according to the running speed.
On the basis of the embodiment 9, further, if the hopper is connected with the conveying cylinder, the conveying cylinder sucks materials, conveys and discharges the materials, and then the stirring speed of the stirring device is adjusted according to the running speed of the piston in the conveying cylinder so as to ensure that the material sucking performance can be kept in the optimal state.
Specifically, if concrete is conveyed through the conveying cylinder, the running speed of a piston in the conveying cylinder is detected, and the stirring speed of the concrete is controlled according to the running speed of the piston. In particular, pumping machines generally have two delivery cylinders, one to suck and the other to feed, which are operated in turn, and the mixing speed of the concrete is controlled according to the operating speed of the piston in the delivery cylinder that sucks the concrete.
Example 11:
fig. 6 is a flowchart illustrating a method of controlling a pumping machine according to a third embodiment of the present invention.
As shown in fig. 6, a specific flow of a method for controlling a pumping machine according to a third embodiment of the third aspect of the present invention includes:
step 602: acquiring the reversing times of pistons in the two conveying cylinders;
step 604: and calculating the discharging speed according to the reversing times.
On the basis of embodiment 9 or embodiment 10, the discharge speeds of the first inlet and the second outlet can be further calculated according to the reversing times of the piston in the conveying cylinder, and then the stirring speed of the stirring device is determined according to the discharge speed.
Specifically, the piston completes the process of one reversing operation, namely, completes the process of one material sucking and feeding, so that the physical parameters of the conveying cylinder, such as: the discharge speed of the concrete is calculated according to the capacity, the size, the power of the piston and the like.
Furthermore, the stirring motor is used for controlling the stirring speed of the stirring blade to the concrete, and then the control of the stirring speed of the concrete is realized by changing the rotating speed of the stirring motor.
Furthermore, the preset rotating speed corresponding to the discharging speed can be searched in the preset database according to the discharging speed, and the stirring motor is controlled to work at the preset rotating speed.
Specifically, the preset database is obtained through simulation or experiment.
In the embodiment, the optimal matching relationship between the discharging speed and the stirring speed is obtained in advance through a simulation or experiment mode, and the simulation or experiment mode can obtain accurate data, so that the matching accuracy of the discharging speed and the stirring speed of the concrete is improved.
Further, the obtaining of the reversing times of the pistons in the two conveying cylinders is specifically as follows: acquiring the reversing times of the first conveying cylinder and the reversing times of the second conveying cylinder;
calculating the discharging speed of the first inlet and outlet according to the reversing times of the first conveying cylinder, and calculating the discharging line speed of the first inlet and outlet according to the reversing times of the second conveying cylinder;
the step of calculating the discharging speed according to the reversing times specifically comprises the following steps: and adjusting the stirring speed of the first stirring device according to the reversing times of the piston in the first conveying cylinder, and adjusting the stirring speed of the second stirring device according to the reversing times of the piston in the second conveying cylinder.
Example 12:
fig. 7 is a flowchart illustrating a method for controlling a pumping machine according to an embodiment of a fourth aspect of the present invention.
As shown in fig. 7, a specific flow of a method for controlling a pumping machine according to a fourth embodiment of the present invention is as follows:
step 702: the reversing times of the main oil cylinder;
step 704: a central controller;
step 706: the speed at which the piston is operating;
step 708: the required optimal stirring speed;
step 710: controlling the oil inlet amount of the stirring motor;
step 712: adjusting the rotating speed of the stirring motor.
The invention provides a control method of a pumping machine, wherein a central controller (controller) detects the reversing times of a piston in a conveying cylinder of concrete; converting the physical parameters of the piston in the conveying cylinder into the movement speed of the piston in the concrete conveying cylinder through a central controller in combination with the physical parameters of the piston in the conveying cylinder; matching the optimal stirring speed through a prefabricated control logic (namely, a preset database which displays the corresponding relation between the movement speed of the piston in the conveying cylinder and the stirring speed in a control logic table mode and is an optimal algorithm summarized through test tests); according to the required stirring speed, combining the current rotating speed of the engine, sending an instruction through operation, and adjusting the flow of the variable hydraulic oil pump, so that the oil inlet amount of the stirring motor is adjusted; the rotation speed of the stirring motor is adjusted in real time.
Example 13:
the present invention provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements a method of controlling a pumping machine as provided in any of the above embodiments.
The present invention provides a computer-readable storage medium, on which a control method of a pumping machine provided in any of the above embodiments is implemented when being stored by a processor, so that all the advantages of the control method of the pumping machine provided in any of the above embodiments are achieved, and are not further stated herein.
In the present invention, the terms "mounting," "connecting," "fixing," and the like are used in a broad sense, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A blending system, comprising:
a hopper (110) having a discharge port (112);
the stirring device (130) is at least partially arranged in the hopper (110), and the stirring speed of the stirring device (130) is adjusted according to the discharge speed of the discharge port (112).
2. The blending system of claim 1, further comprising:
a first port (114) and a second port (116);
an output switching pipe (118), one end of which is connected with the discharge port (112), and the other end of which can switch the connection state between the first inlet/outlet (114) and the second inlet/outlet (116);
the discharge speed of the discharge port (112) is determined by the discharge speed of the first inlet/outlet (114) or the discharge speed of the second inlet/outlet (116).
3. The blending system of claim 2,
the stirring device (130) comprises:
a first stirring device (140) which is at least partially arranged in the hopper (110) and is arranged corresponding to the first inlet/outlet (114);
a second stirring device (160) which is at least partially arranged in the hopper (110) and is arranged corresponding to the second inlet/outlet (116);
wherein the stirring speeds of the first stirring device (140) and the second stirring device (160) are independently adjustable, wherein the stirring speed of the first stirring device (140) is adjusted according to the discharging speed of the first inlet/outlet (114), and the stirring speed of the second stirring device (160) is adjusted according to the discharging speed of the second inlet/outlet (116).
4. The blending system of claim 3,
the first stirring device (140) comprises:
a first motor (142);
a first transmission mechanism (144) connected with the first motor (142);
a first support seat (148) arranged in the hopper (110) in a penetrating way;
the first bearing (146) is arranged on the first supporting seat (148), and the first transmission mechanism (144) penetrates through the first bearing (146);
the first stirring shaft (150) is connected with the first transmission mechanism (144);
the first stirring blade is arranged on the first stirring shaft (150), and the first stirring blade (152) is positioned in the hopper (110); and/or
The second stirring device (160) comprises:
a second motor (162);
a second transmission mechanism (164) connected with the second motor (162);
a second support seat (168) arranged through the hopper (110);
the second bearing (166) is arranged on the second supporting seat (168), and the second transmission mechanism (164) penetrates through the second bearing (166);
the second stirring shaft (170) is connected with the second transmission mechanism (164);
and the second stirring blade (172) is arranged on the second stirring shaft (170), and the second stirring blade (172) is positioned in the hopper (110).
5. A pumping machine, comprising:
the stirring system (100) of any of claims 1 to 4; and
a conveyor system (210), the conveyor system (210) being connected with the hopper (110).
6. Pumping machine according to claim 5, characterized in that said stirring system (100) comprises: a first inlet/outlet (114), a second inlet/outlet (116) and an output switching pipe (118);
the transport system (210) comprises:
a first delivery cylinder (212) in communication with the first inlet/outlet (114);
a second delivery cylinder (214) in communication with the second port (116);
the discharge speed of the first inlet/outlet (114) is determined according to the running speed of a piston in the first conveying cylinder (212);
the discharge speed of the second inlet/outlet (116) is determined according to the running speed of the piston in the second delivery cylinder (214).
7. A method of controlling a pumping machine comprising a blending system including a hopper having an outlet and a blending device at least partially located within the hopper, and a delivery system in communication with the hopper, the method comprising:
detecting the discharging speed of a discharging port of the hopper;
and adjusting the stirring speed of the stirring device according to the discharging speed.
8. Method for controlling a pumping machine according to claim 7,
the conveying system comprises two conveying cylinders:
the step of detecting the discharge speed of the discharge hole of the hopper specifically comprises the following steps:
detecting the running speed of a piston in a material suction state in the two conveying cylinders;
the step of adjusting the stirring speed of the stirring device according to the discharging speed specifically comprises the following steps:
and adjusting the stirring speed of the stirring device according to the running speed.
9. Method for controlling a pumping machine according to claim 7, wherein said delivery system comprises two delivery cylinders, and said step of detecting the discharge speed of the outlet of the hopper comprises:
acquiring the reversing times of pistons in the two conveying cylinders;
and calculating the discharging speed according to the reversing times.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out a method of controlling a pumping machine according to any one of claims 7 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010203552.8A CN111331729B (en) | 2020-03-20 | 2020-03-20 | Stirring system, pumping machine, control method thereof and storage medium |
| PCT/CN2020/110724 WO2021184681A1 (en) | 2020-03-20 | 2020-08-24 | Stirring system, pumping machine and control method therefor, and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010203552.8A CN111331729B (en) | 2020-03-20 | 2020-03-20 | Stirring system, pumping machine, control method thereof and storage medium |
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| CN111331729B CN111331729B (en) | 2022-02-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021184681A1 (en) * | 2020-03-20 | 2021-09-23 | 三一汽车制造有限公司 | Stirring system, pumping machine and control method therefor, and storage medium |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113894936B (en) * | 2021-11-04 | 2022-09-23 | 张万成 | Device of preventing educing in rubble mix station is stabilized to cement |
| CN114474400B (en) * | 2022-01-27 | 2024-05-24 | 常德市三一机械有限公司 | Mixing station discharging control method, server, controller and mixing station |
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| Publication number | Publication date |
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| CN111331729B (en) | 2022-02-18 |
| WO2021184681A1 (en) | 2021-09-23 |
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