WO2021184681A1

WO2021184681A1 - Stirring system, pumping machine and control method therefor, and storage medium

Info

Publication number: WO2021184681A1
Application number: PCT/CN2020/110724
Authority: WO
Inventors: 李永久; 谭东才; 吴益辉
Original assignee: 三一汽车制造有限公司
Priority date: 2020-03-20
Filing date: 2020-08-24
Publication date: 2021-09-23
Also published as: CN111331729B; CN111331729A

Abstract

The present application provides a stirring system, a pumping machine and a control method therefor, and a storage medium. The stirring system comprises: a hopper having a discharge port; and a stirring apparatus at least partially disposed in the hopper, the stirring speed of the stirring apparatus being regulated according to the discharge speed of the discharge port. The stirring system provided by the present application has a hopper and a stirring apparatus, the hopper implements discharge through the discharge port, and the stirring speed of the stirring apparatus is determined according to the discharge speed of the discharge port; accordingly, the stirring speed and the discharge speed of the discharge port are optimally matched, thereby improving the concrete suction capability, i.e., ensuring that the concrete suction performance can be kept in the best state at different discharge speeds.

Description

Stirring system, pumping machinery and control method and storage medium thereof

This application claims the priority of a Chinese patent application filed with the Chinese Patent Office on March 20, 2020 with the application number "202010203552.8" and the invention title "Agitating system, pumping machinery and its control method and storage medium", all of which The content is incorporated in this application by reference.

Technical field

This application relates to the technical field of concrete mixing, and specifically to a mixing system, a pumping machine, a control method of the pumping machine, and a computer-readable storage medium.

Background technique

The current mixing system is generally driven by an engine with a quantitative hydraulic oil pump, which drives a quantitative mixing motor through a constant flow of hydraulic oil, so that the mixing speed is constant throughout the pumping process.

Therefore, it often happens that the mixing motor is too fast or too slow. For the mixing speed to be too fast or too slow, it will bring problems to the pumping of concrete: when the mixing speed is too slow, the feeding function of the mixing blade is not good. , Poor material absorption; when the mixing speed is too fast, it is easy to cause the segregation of concrete, and it is easy to cause pipe blockage.

Summary of the invention

This application aims to improve at least one of the technical problems existing in the prior art.

For this reason, the embodiment of the first aspect of the present application proposes a stirring system.

The embodiment of the second aspect of the present application proposes a pumping machine.

The embodiment of the third aspect of the present application proposes a control method of a pumping machine.

The embodiment of the fourth aspect of the present application proposes a computer-readable storage medium.

In view of this, according to the embodiment of the first aspect of the present application, the present application proposes a mixing system, which includes: a hopper with a discharge port; The discharge speed of the mouth is adjusted.

The stirring system proposed in this application has a hopper and a stirring device. The hopper is discharged from the discharge port, and the stirring speed of the stirring device is determined according to the discharge speed of the discharge port, so that the mixing speed and the discharge port discharge The speed reaches the best match, which improves the suction capacity of concrete, which means that the suction performance of concrete can be maintained at the best state at different discharge speeds.

In addition, the stirring system according to the foregoing embodiment of the present application may also have the following additional technical features:

On the basis of the above technical solution, it further includes: a first inlet and outlet and a second inlet and outlet; an output switching tube, one end of which is connected with the discharge port, and the other end can be connected between the first inlet and the second inlet and outlet. The connection state is switched between; the discharge speed of the discharge port is determined by the discharge speed of the first inlet and outlet or the discharge speed of the second inlet and outlet.

In this technical solution, the hopper also has two inlets and outlets, namely the first inlet and the second inlet. One end of the output switching tube is connected to the discharge port, and the other end turns to the first inlet and outlet, that is, the second inlet and outlet. Are connected to realize alternate suction and feeding of the first inlet and The mixing speed of the mixing device is determined according to the discharge speed of the first inlet and outlet and the discharge speed of the second inlet and outlet, so that the mixing speed is optimally matched with the discharge speeds of the first inlet and the second inlet and outlet. The suction capacity of concrete is to ensure that the suction performance of concrete is uniform at different discharge speeds (specifically, the suction speed of the conveying cylinder, the conveying cylinder passes through the first inlet or the second inlet and outlet). Can be kept in the best condition.

On the basis of any of the above technical solutions, further, the stirring device includes: a first stirring device, at least partly arranged in the hopper, corresponding to the first inlet and outlet; a second stirring device, at least partly arranged in the hopper, and The second inlet and outlet are correspondingly arranged; wherein the stirring speed of the first stirring device and the second stirring device can be adjusted independently, wherein the stirring speed of the first stirring device is adjusted according to the discharge speed of the first inlet and outlet, and the second stirring device The stirring speed is adjusted according to the discharge speed of the second inlet and outlet.

In this technical solution, the stirring device has two stirring devices, that is, the first stirring device is used to realize the discharge of the first inlet and outlet, and the second stirring device is used to realize the discharge of the second inlet and outlet, so that the The mixing speed or the mixing speed of the second mixing device and the discharge speed of the first inlet or the second inlet and outlet matched with the mixing speed are all in the best matching state, which further ensures that the concrete suction performance can be achieved at different discharge speeds. Keep it at its best.

On the basis of any of the above technical solutions, further, the first stirring device includes: a first motor; a first transmission mechanism connected to the first motor; a first support seat penetrated through the hopper; a first bearing provided On the first support base, the first transmission mechanism is penetrated through the first bearing; the first mixing shaft is connected with the first transmission mechanism; the first mixing blade is provided on the first mixing shaft, and the first mixing blade is located in the hopper; And/or the second stirring device includes: a second motor; a second transmission mechanism connected to the second motor; a second support base, which penetrates the hopper; a second bearing, which is located on the second support base, and a second transmission mechanism It passes through the second bearing; the second stirring shaft is connected with the second transmission mechanism; the second stirring blade is arranged on the second stirring shaft, and the second stirring blade is located in the hopper.

In this technical solution, a first support seat is provided on the hopper, a first bearing is installed in the first support seat, the first transmission mechanism penetrates the first bearing, the first stirring shaft is connected with the first transmission mechanism, and the A motor drives the first transmission mechanism to drive the rotation of the first mixing shaft and the first mixing blade, thereby agitating the materials in the hopper to realize independent control of the first mixing device; and/or setting a second support seat on the hopper, A second bearing is installed in the second support base, the second transmission mechanism penetrates the second bearing, the second stirring shaft is connected with the second transmission mechanism, and the second transmission mechanism is driven by the second motor to drive the second stirring shaft and the second transmission mechanism. The stirring blade rotates, thereby stirring the materials in the hopper, and realizing independent control of the second stirring device.

According to the embodiment of the second aspect of the present application, the present application proposes a pumping machine, including: the stirring system as described in any one of the above technical solutions; and a conveying system, which is connected to the discharge port.

Since the pumping machine proposed in the present application includes the stirring system as described in any one of the above technical solutions, it has all the beneficial effects of the stirring system as described in any one of the above, and will not be repeated here.

On the basis of any of the above technical solutions, further, the stirring system includes: a first inlet and outlet, a second inlet and outlet, and an output switching pipe: the conveying system includes: a first conveying cylinder connected to the first inlet and outlet; The conveying cylinder is connected to the second inlet and outlet; the discharge speed of the first inlet and outlet is determined according to the operating speed of the piston in the first conveying cylinder; the discharge speed of the second inlet and outlet is determined according to the operating speed of the piston in the second conveying cylinder .

In this technical solution, the conveying system includes a first conveying cylinder and a second conveying cylinder, and two conveying cylinder plugs are used to suck and feed materials in turn, and the first stirring device is the first conveying cylinder feeding, and the second agitating device is The second conveying cylinder feeds materials, and the running speed of the pistons of the first conveying cylinder and the second conveying cylinder can reflect the discharge speed of the first inlet and the second inlet and outlet, thereby making the mixing speed of each stirring device The discharge speed of the matched discharge port is in the best matching state, which further ensures that the suction performance of the concrete can be maintained at the best state at different discharge speeds.

According to an embodiment of the third aspect of the present application, the present application proposes a method for controlling a pumping machine. The pumping machine includes a stirring system and a conveying system. The device and the conveying system are connected with the hopper to detect the discharge speed of the discharge port of the hopper; adjust the stirring speed of the stirring device according to the discharge speed.

In the control method of the mixing system proposed in this application, the mixing speed of the mixing device is determined according to the discharge speed of the discharge port, and further, the mixing speed is optimally matched with the discharge speed of the discharge port, and the suction capacity of concrete is improved , That is to ensure that the concrete suction performance can be maintained in the best state at different discharge speeds.

On the basis of the above technical solution, further, the conveying system includes two conveying cylinders: the step of detecting the discharge speed of the discharge port of the hopper, specifically: detecting the running speed of the piston in the suction state in the two conveying cylinders ; According to the discharging speed, the step of adjusting the stirring speed of the stirring device is specifically: adjusting the stirring speed of the stirring device according to the operating speed.

In the above technical solution, if the hopper is connected with the conveying cylinder, and the conveying cylinder sucks and discharges the material, the stirring speed of the stirring device is adjusted according to the operating speed of the piston in the conveying cylinder to ensure the suction performance All can be kept in the best condition.

On the basis of any of the above technical solutions, further, the conveying system includes two conveying cylinders, and the step of detecting the discharge speed of the discharge port of the hopper specifically includes: obtaining the number of reversing times of the pistons in the two conveying cylinders; According to the number of commutations, the output speed is calculated.

In this technical solution, the discharging speed can be calculated according to the reversal times of the pistons in the two conveying cylinders, and then the stirring speed of the stirring device can be determined according to the discharging speed.

According to the embodiment of the fourth aspect of the present application, the present application proposes a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, the pumping as described in any of the above technical solutions Mechanical control method.

The computer-readable storage medium proposed in the present application, when stored on it by a processor, realizes the control method of a pumping machine as described in any one of the above technical solutions, and therefore has the same method as described in any one of the above technical solutions. All the beneficial effects of the control method of the pumping machinery mentioned above will not be described here.

The additional aspects and advantages of the present application will become apparent in the following description, or be understood through the practice of the present application.

Description of the drawings

The above and/or additional aspects and advantages of the present application will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, in which:

Figure 1 shows a schematic structural diagram of a mixing system provided by an embodiment of the first aspect of the first aspect of the present application;

Figure 2 shows a schematic structural diagram of a stirring system provided by an embodiment of the second aspect of the present application;

Fig. 3 shows a schematic structural diagram of a pumping machine provided by an embodiment of the second aspect of the present application;

Fig. 4 shows a flow chart of a control method of a pumping machine provided by an embodiment of the first third aspect of the present application;

Fig. 5 shows a flow chart of a control method of a pumping machine provided by an embodiment of the second and third aspect of the present application;

FIG. 6 shows a flow chart of a control method of a pumping machine provided by an embodiment of the third aspect of the present application;

Fig. 7 shows a flowchart of a control method of a pumping machine provided by an embodiment of the fourth and third aspect of the present application.

Among them, the corresponding relationship between the reference signs and component names in Figures 1 to 3 is:

100 mixing system, 110 hopper, 112 discharge port, 114 first inlet and outlet, 116 second inlet and outlet, 118 output switching tube, 130 mixing device, 140 first mixing device, 142 first motor, 144 first transmission mechanism, 146 first bearing, 148 first support 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 support seat , 170 second mixing shaft, 172 second mixing blade, 200 pumping machinery, 210 conveying system, 212 first conveying cylinder, 214 second conveying cylinder, 220 controller, 230 hydraulic pump, 240 engine.

Detailed ways

In order to be able to understand the above objectives, features and advantages of the application more clearly, the application will be further described in detail below with reference to the accompanying drawings and specific implementations. It should be noted that the embodiments of the application and the features in the embodiments can be combined with each other if there is no conflict.

In the following description, many specific details are set forth in order to fully understand this application. However, this application can also be implemented in other ways different from those described here. Therefore, the scope of protection of this application is not covered by the specific details disclosed below. Limitations of the embodiment.

The following describes the mixing system 100, the pumping machine 200, the control method of the pumping machine, and the computer-readable storage medium according to some embodiments of the present application with reference to FIGS. 1 to 7.

Example 1:

As shown in Figures 1 and 2, according to the first embodiment of the present application, the present application provides a mixing system 100, including: a hopper 110 having a discharge port 112; The stirring speed of the 110 stirring device 130 is adjusted according to the discharging speed of the discharging port 112.

The mixing system 100 provided in the present application has a hopper 110 and a mixing device 130. The hopper 110 is discharged from the discharge port 112, and the mixing speed of the mixing device 130 is determined according to the discharge speed of the discharge port 112, so that the mixing speed It is optimally matched with the discharge speed of the discharge port 112 to improve the suction capacity of the concrete, that is, to ensure that the suction performance of the concrete can be maintained at the best state at different discharge speeds.

Specifically, the discharge speed of the discharge port 112 may be detected by a sensor, such as a flow detection device.

Example 2:

As shown in Figure 1 and Figure 2, on the basis of Embodiment 1, further, the first inlet and outlet 114 and the second inlet and outlet 116; the output switching tube 118, one end is connected with the discharge port 112, and the other end can be The connection state is switched between the first inlet and outlet 114 and the second inlet and outlet 116; the discharging speed of the discharging port 112 is determined by the discharging speed of the first inlet and outlet 114 or the discharging speed of the second inlet and outlet 116.

In this embodiment, the hopper 110 also has two inlets and outlets, that is, a first inlet 114 and a second inlet 116. One end of the output switching tube 118 is connected to the outlet 112, and the other end is connected to the first inlet and outlet in turn. 114, that is, the second inlet and outlet 116 are connected to realize the alternate suction and feeding of the first inlet and outlet 114 and the second inlet and outlet 116. Among them, the discharge speed of the first inlet and outlet 114 and the second inlet and outlet 116 can reflect The discharging speed of the discharging port 112, therefore, the mixing speed of the stirring device 130 can be determined according to the discharging speed of the first inlet and outlet 114 and the discharging speed of the second inlet and outlet 116, so that the mixing speed is the same as that of the first inlet and outlet 114. The discharge speed of the second inlet and outlet 116 is optimally matched, which improves the suction capacity of concrete, which means that the suction performance of the concrete can be maintained at the best state at different discharge speeds.

It should be noted that the discharge speed of the first inlet and outlet 114 indicates the speed at which the hopper 110 discharges to its corresponding conveying cylinder through the first inlet and outlet 114, and the discharge speed of the second inlet and outlet 116 indicates that the hopper 110 passes through the second inlet. The speed at which the outlet 116 discharges material to its corresponding delivery cylinder.

Specifically, the discharge speed of the first inlet and outlet 114 and the second inlet and outlet 116 can also be detected by sensors, such as a flow detection device.

Example 3:

As shown in Figure 1 or Figure 2, on the basis of Embodiment 1 or Embodiment 2, further, the stirring device 130 includes: a first stirring device 140, which is at least partially disposed in the hopper 110; and a second stirring device 160, at least Part of it is set in the hopper 110.

Specifically, the first stirring device 140 is arranged corresponding to the first inlet and outlet 114; the second stirring device 160 is arranged corresponding to the second inlet and outlet 116; wherein the stirring speed of the first stirring device 140 and the second stirring device 160 can be adjusted independently , The stirring speed of the first stirring device 140 is adjusted according to the discharge speed of the first inlet and outlet 114, and the stirring speed of the second stirring device 160 is adjusted according to the discharge speed of the second inlet and 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 and outlet 114, and the second agitating device 160 is used to discharge the second inlet and outlet 116, so that The mixing speed of the first mixing device 140 or the mixing speed of the second mixing device 160 and the discharge speed of the first inlet and outlet 114 or the second inlet and outlet 116 matched with each other are in the best matching state, which further ensures that the concrete is discharged at different levels. At speed, its suction performance can be maintained in the best state.

Example 4:

As shown in Figure 1, on the basis of Embodiment 3, further, the stirring device 130 includes a support seat, which is arranged on the hopper 110 and is located on one side of the hopper 110; the bearing is arranged on the support seat; and the transmission mechanism is similar to the bearing. It is connected to be rotatable relative to the support base; the motor is used to drive the transmission mechanism; the two blades are located in the hopper 110 and are installed on the rotating shaft and can rotate with the rotating shaft.

Further, the stirring device 130 includes a motor; the motor is a quantitative hydraulic motor, and the stirring device 130 further includes a hydraulic pump 230. Specifically, the stirring device 130 further includes: a quantitative hydraulic pump and a hydraulic flow rate regulating valve; or the motor is a quantitative hydraulic motor for stirring The device 130 further includes: a variable hydraulic pump; or the motor is a variable hydraulic motor, and the stirring device 130 further includes: a quantitative hydraulic pump; or the stirring device 130 further includes an engine 240, which uses a variable frequency motor.

In this embodiment, the stirring device 130 includes a quantitative hydraulic motor, a quantitative hydraulic pump, and a hydraulic flow rate regulating valve, and the rotation speed of the quantitative hydraulic motor is adjusted by adjusting the hydraulic flow rate regulating valve; or the mixing device 130 includes a quantitative hydraulic motor and a variable hydraulic pressure. Pump, and then adjust the rotation speed of the fixed hydraulic motor by changing the displacement of the variable hydraulic pump; or the mixing device 130 includes a variable hydraulic motor and a fixed hydraulic pump, and then adjust the rotation speed of the variable hydraulic motor by changing the displacement of the variable hydraulic motor; or a mixing device 130 includes a motor and a frequency conversion engine, and the rotation speed of the motor can be adjusted by changing the frequency of the frequency conversion engine.

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 Figure 2, on the basis of Embodiment 3, further, the first stirring device 140 includes: a first motor 142; a first transmission mechanism 144 connected to the first motor 142; Set in the hopper 110; the first bearing 146 is set in the first support base 148, the first transmission mechanism 144 is penetrated through the first bearing 146; the first mixing shaft 150 is connected to the first transmission mechanism 144; the first mixing blade 152 is provided on the first stirring shaft 150, and the first stirring blade 152 is located in the hopper 110.

In this embodiment, a first support seat 148 is provided on the hopper 110, a first bearing 146 is installed in the first support seat 148, the first transmission mechanism 144 penetrates the first bearing 146, and the first stirring shaft 150 is connected to the first bearing 146. The transmission mechanism 144 is connected, and the first motor 142 drives the first transmission mechanism 144 to drive the first mixing shaft 150 and the first mixing blade 152 to rotate, thereby agitating the material in the hopper 110 to realize independent control of the first mixing device 140 .

Example 6:

As shown in Figure 2, on the basis of Embodiment 3 or Embodiment 5, further, the second stirring device 160 includes: a second motor 162; a second transmission mechanism 164 connected to the second motor 162; a second support The seat 168 is passed through the hopper 110; the second bearing 166 is provided on the second support seat 168, and the second transmission mechanism 164 is passed through the second bearing 166; the second stirring shaft 170 is connected with the second transmission mechanism 164; The second mixing blade 172 is provided on the second mixing shaft 170, and the second mixing blade 172 is located in the hopper 110.

In this embodiment, a second support seat 168 is provided on the hopper 110, a second bearing 166 is installed in the second support seat 168, the second transmission mechanism 164 penetrates the second bearing 166, and the second stirring shaft 170 is connected to the second bearing 166. The transmission mechanism 164 is connected, and the second motor 162 drives the second transmission mechanism 164 to drive the second mixing shaft 170 and the second mixing blade 172 to rotate, thereby agitating the material in the hopper 110 to realize independent control of the second mixing device 160 .

The stirring system 100 further includes a controller 220, and the controller 220 controls the stirring speed of the stirring device 130.

Example 7:

As shown in FIG. 3, according to an embodiment of the second aspect of the present application, the present application provides a pumping machine 200, including: a stirring system 100 provided in any one of the foregoing embodiments 1 to 4; and a conveying system 210 , The conveying system 210 is connected with the hopper 110.

The pumping machine 200 provided in the present application includes the stirring system 100 provided in any one of the above-mentioned embodiments 1 to 6, and therefore, has all the benefits of the stirring system 100 provided in any one of the above-mentioned embodiments 1 to 6 The effect will not be stated one by one here.

Specifically, the pumping machine 200 may pump concrete, mortar, and the like.

Example 8:

On the basis of Embodiment 7, further, as shown in FIG. 3, the mixing system 100 includes: a first inlet and outlet 114, a second inlet and outlet 116, and an output switching pipe 118: the conveying system 210 includes: a first conveying The cylinder 212 is in communication with the first inlet and outlet 114; the second conveying cylinder 214 is in communication with the second inlet and outlet 116; the discharge speed of the first inlet and outlet 114 is determined according to the operating speed of the piston in the first conveying cylinder 212; The discharge speed of the second inlet and outlet 116 is determined according to the operating speed of the piston in the second conveying cylinder 214.

In this embodiment, the conveying system 110 includes a first conveying cylinder 212 and a second conveying cylinder 214. The two conveying cylinders are used to suck and feed materials in turn, and the first stirring device 140 feeds the first conveying cylinder 212. The second stirring device 160 feeds the second conveying cylinder 214, and the running speed of the pistons in the first conveying cylinder 212 and the second conveying cylinder 214 can reflect the discharge speed of the first inlet and outlet 114 and the second inlet and outlet 116. Furthermore, the mixing speed of each mixing device and the discharge speed of the matched discharge port are in the best matching state, which further ensures that the suction performance of the concrete can be maintained in the best state at different discharge speeds.

Specifically, when the output switching tube 118 is connected to the first inlet and outlet 114, the first conveying cylinder 212 feeds material, and the second conveying cylinder 214 sucks in material. When the output switching tube 118 is connected to the second inlet and outlet 116, the second conveying cylinder 214 feeding, the first conveying cylinder 212 sucks the material, so as to realize uninterrupted feeding.

More specifically, when the first conveying cylinder 212 sucks material, the first stirring device 140 adjusts the stirring speed according to the discharge speed of the first inlet and outlet 114. At this time, the second conveying cylinder 214 feeds the material, and the second inlet and outlet 116 switch with the output The pipe 118 is connected, that is, the second stirring device 160 can stop stirring, or stir at a low speed; when the second conveying cylinder 214 sucks materials, the second stirring device 160 adjusts the stirring speed according to the discharge speed of the second inlet and outlet 116. , The first conveying cylinder 212 feeds materials, and the first inlet and outlet 114 are connected to the output switching pipe 118, that is, the first stirring device 140 can stop stirring or stir at a low speed.

Example 9:

Fig. 4 shows a flow chart of a control method of a pumping machine provided by an embodiment of the first third aspect of the present application.

As shown in Figure 4, the specific process of the pumping machine control method provided by the first third aspect of the present application includes:

Step 402: Detect the discharge speed of the discharge port of the hopper;

Step 404: Adjust the stirring speed of the stirring device according to the discharging speed.

In this embodiment, the mixing speed of the mixing device is determined according to the discharge speed of the discharge port, and further, the mixing speed is optimally matched with the discharge speed of the discharge port, and the suction capacity of the concrete is improved, that is, to ensure the concrete At different discharge speeds, its suction performance can be maintained in the best state.

Example 10:

Fig. 5 shows a flowchart of a control method of a pumping machine provided by an embodiment of the second and third aspect of the present application.

As shown in Figure 5, the specific process of the method for controlling the pumping machine provided by the second and third aspect of the present application includes:

Step 502: Detect the operating speed of the pistons in the suction state in the two conveying cylinders;

Step 504: Adjust the stirring speed of the stirring device according to the operating speed.

On the basis of Example 9, further, if the hopper is connected to the conveying cylinder, and the conveying cylinder sucks and discharges the material, the stirring speed of the stirring device is adjusted according to the operating speed of the piston in the conveying cylinder, To ensure that the suction performance can be maintained in the best condition.

Specifically, if the concrete is conveyed through the conveying cylinder, the running speed of the piston in the conveying cylinder is detected, and then the mixing speed of the concrete is controlled according to the running speed of the piston. Specifically, a pumping machine usually has two conveying cylinders, one sucking material and the other feeding material, which are carried out in turn, and the mixing speed of the concrete is controlled according to the operating speed of the piston in the conveying cylinder for sucking material.

Example 11:

Fig. 6 shows a flow chart of the control method of the pumping machine provided by the third embodiment of the third aspect of the present application.

As shown in Figure 6, the specific process of the pumping machine control method provided by the third embodiment of the third aspect provided by the present application includes:

Step 602: Obtain the reversal times of the pistons in the two delivery cylinders;

Step 604: Calculate the discharging speed according to the number of reversing times.

On the basis of embodiment 9 or embodiment 10, further, according to the number of reversal of the piston in the conveying cylinder, the discharge speed of the first inlet and the second inlet can be calculated, and then the discharge speed can be determined according to the The stirring speed of the stirring device.

Specifically, the piston completes a process of reversing operation, that is, completing a process of suction and feeding. Therefore, the number of reversal of the piston can be combined with the physical parameters of the conveying cylinder, such as: capacity, size, piston power, etc. Calculate the discharge rate of concrete.

Furthermore, the mixing motor is used to control the mixing speed of the mixing blades on the concrete, and then the mixing speed of the concrete is controlled by changing the rotation speed of the mixing motor.

Furthermore, the preset rotation speed corresponding to the discharge speed can be searched in the preset database according to the discharge speed, and the stirring motor can be controlled to work at the preset rotation speed. This method is simple and fast, and avoids hysteresis.

Specifically, the preset database is obtained through simulation or experiment.

In this embodiment, the best matching relationship between the discharge speed and the mixing speed is obtained in advance through simulation or experiment, and the simulation or experiment can obtain accurate data, thereby increasing the concrete discharge speed and mixing speed. The accuracy of the match.

Further, acquiring the number of reversing times of the pistons in the two delivery cylinders is specifically: acquiring the number of reversing times of the first delivery cylinder and the number of reversing times of the second delivery cylinder.

Calculate the discharge speed of the first inlet and outlet according to the reversal times of the first conveying cylinder, and calculate the discharge speed of the first inlet and outlet according to the reversal times of the second conveying cylinder.

According to the number of reversing times, the step of calculating the output speed is specifically as follows: adjusting the mixing speed of the first stirring device according to the reversing times of the piston in the first conveying cylinder, and adjusting the second mixing speed according to the reversing times of the piston in the second conveying cylinder. The stirring speed of the stirring device.

Example 12:

Fig. 7 shows a flow chart of a control method of a pumping machine provided by an embodiment of the fourth and third aspect of the present application.

As shown in FIG. 7, the specific process of the control method of the pumping machine provided by the fourth embodiment of the third aspect of the present application is as follows:

Step 702: the number of reversal times of the main cylinder;

Step 704: Central controller;

Step 706: the running speed of the piston;

Step 708: the optimal stirring speed required;

Step 710: Control the oil intake of the stirring motor;

Step 712: Adjust the speed of the stirring motor.

In the control method of the pumping machinery provided in this application, the central controller (controller) detects the number of commutations of the piston in the concrete conveying cylinder; the central controller combines the physical parameters of the piston in the conveying cylinder to convert it into concrete The movement speed of the piston in the conveying cylinder; through the prefabricated control logic (that is, the preset database, the database displays the corresponding relationship between the movement speed of the piston in the conveying cylinder and the stirring speed in the form of a control logic table, which is the most summarized by the experimental test Optimal algorithm) to match the best stirring speed; according to the required stirring speed, combined with the current engine speed, through calculations, instructions are issued to adjust the flow rate of the variable hydraulic oil pump, thereby adjusting the oil intake of the stirring motor; the speed of the stirring motor Get real-time adjustments.

Example 13:

The present application provides a computer-readable storage medium on which a computer program is stored. When the computer program is executed by a processor, the method for controlling a pumping machine as provided in any of the above embodiments is realized.

The computer-readable storage medium provided by the present application implements the control method of the pumping machine provided in any of the above embodiments when stored on it by the processor. Therefore, it has the function of the pumping machine provided in any of the above embodiments. All the beneficial effects of the control method will not be stated here.

In this application, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection. ; "Connected" can be directly connected or indirectly connected through an intermediary. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in this application can be understood according to specific circumstances.

In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiments or examples are included in this application In at least one embodiment or example. In this specification, the schematic representations of the above-mentioned terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

The above descriptions are only preferred embodiments of the application, and are not intended to limit the application. For those skilled in the art, the application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included in the protection scope of this application.

Claims

A mixing system, which includes:

Hopper with discharge port;

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 according to claim 1, further comprising:

The first import and export and the second import and export;

An output switching tube, one end of which is connected to the discharge port, and the other end of which can switch the connection state between the first inlet and outlet and the second inlet and outlet;

The discharge speed of the discharge port is determined by the discharge speed of the first inlet and outlet or the discharge speed of the second inlet and outlet.
The stirring system according to claim 2, wherein:

The stirring device includes:

The first stirring device is at least partially arranged in the hopper, and is arranged corresponding to the first inlet and outlet;

The second stirring device is at least partially arranged in the hopper, and is arranged corresponding to the second inlet and outlet;

Wherein, the stirring speed of the first stirring device and the second stirring device can be adjusted independently, wherein the stirring speed of the first stirring device is adjusted according to the discharge speed of the first inlet and outlet, and the second The stirring speed of the stirring device is adjusted according to the discharge speed of the second inlet and outlet.
The stirring system according to claim 3, wherein:

The first stirring device includes:

First motor

The first transmission mechanism is connected with the first motor;

The first support seat penetrates the hopper;

The first bearing is arranged on the first support seat, and the first transmission mechanism is arranged on 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 the first stirring blade is located in the hopper; and/or

The second stirring device includes:

Second motor

The second transmission mechanism is connected with the second motor;

The second support seat penetrates the hopper;

A second bearing is provided on the second support base, and the second transmission mechanism is penetrated through the second bearing;

The second stirring shaft is connected with the second transmission mechanism;

The second stirring blade is arranged on the second stirring shaft, and the second stirring blade is located in the hopper.
A pumping machine, which includes:

The stirring system according to any one of claims 1 to 4; and

A conveying system, the conveying system is connected with the hopper.
The pumping machine according to claim 5, wherein the stirring system comprises: a first inlet and outlet, a second inlet and outlet, and an output switching pipe;

The delivery system includes:

The first delivery cylinder is in communication with the first inlet and outlet;

The second delivery cylinder is in communication with the second inlet and outlet;

The discharge speed of the first inlet and outlet is determined according to the operating speed of the piston in the first delivery cylinder;

The discharge speed of the second inlet and outlet is determined according to the operating speed of the piston in the second conveying cylinder.
A method for controlling a pumping machine. The pumping machine includes a mixing system and a conveying system. The mixing system includes a hopper with a discharge port and a mixing device at least partially located in the hopper. The conveying system and the hopper Are connected, wherein the control method includes:

Detect the discharge speed of the discharge port of the hopper;

According to the discharging speed, the stirring speed of the stirring device is adjusted.
The control method of a pumping machine according to claim 7, wherein:

The conveying system includes two conveying cylinders:

The step of detecting the discharge speed of the discharge port of the hopper is specifically as follows:

Detect the running speed of the pistons in the suction state in the two conveying cylinders;

The step of adjusting the stirring speed of the stirring device according to the discharging speed is specifically as follows:

According to the operating speed, the stirring speed of the stirring device is adjusted.
The method for controlling a pumping machine according to claim 7, wherein the conveying system includes two conveying cylinders, and the step of detecting the discharge speed of the discharge port of the hopper specifically includes:

Obtain the number of commutations of the pistons in the two delivery cylinders;

According to the number of reversing times, the discharging speed is calculated.
A computer-readable storage medium having a computer program stored thereon, wherein when the computer program is executed by a processor, the method for controlling a pumping machine according to any one of claims 7 to 9 is realized.