Electro-hydraulic centralized control accurate flow adjusting device

Abstract

The utility model belongs to the technical field of flow adjusting devices, and discloses an electro-hydraulic centralized control accurate flow adjusting device which comprises an adjusting device body, an adjusting mechanism and a liquid discharging mechanism are fixedly installed on the left side and the right side of the adjusting device body respectively, and the upper end of a recycling bin is communicated with an adjusting outlet through a water pipe. According to the electro-hydraulic centralized control accurate flow adjusting device, in the operation process of equipment, liquid needing to be conveyed enters the liquid discharging mechanism through the liquid inlet and then is discharged out of the liquid discharging port, the liquid is discharged out of the liquid discharging mechanism through the liquid inlet, the liquid is discharged out of the liquid discharging mechanism through the liquid discharging port, and therefore the accurate flow adjusting device has the advantages of being simple in structure and convenient to use. In the process, water in the discharging bin in the adjusting water tank is pumped into the adjusting mechanism through the adjusting inlet, the flow of the equipment can be calculated according to the working time of the equipment, and therefore data are compared with data displayed by the flow meter, and if abnormity is found, the flow meter is adjusted according to the calculated data; therefore, on-line automatic adjustment is realized.

Description

TECHNICAL FIELD

[0001] The utility model belongs to flow regulating device technical field, concretely is a kind of electro-hydraulic centralized control's accurate flow regulating device. BACKGROUND

[0002] Electro-hydraulic centralized control system (EHCCS) is an advanced control system integrated with electronic control and hydraulic transmission technology, widely used in mining, metallurgy, construction and other fields.The system realizes the centralized management and control of multiple hydraulic systems through central processing unit (CPU) and multiple sensors, actuators and other components, improves the automation level and working efficiency of the system.

[0003] As a kind of diaphragm device and electromagnetic metering pump with diaphragm device with publication number CN 207245976 U, including electromagnetic connecting rod, diaphragm, electromagnetic connecting rod and diaphragm are connected with baffle, the baffle is located in the end surface of diaphragm and electromagnetic connecting rod fixed connection, the baffle is fixed on the end surface.Electromagnetic metering pump includes electromagnetic connecting rod, diaphragm, pump head, the end surface of diaphragm and electromagnetic connecting rod fixed connection, the other end surface is located in pump head, the diaphragm and pump head form sealed pump cavity structure, the electromagnetic connecting rod and diaphragm are connected with baffle.The diaphragm device provided in the utility model can ensure the stable flow rate of liquid in the electromagnetic metering pump when the pressure changes, improve the working efficiency, expand the thrust range, and prolong the service life of diaphragm.

[0004] Although the metering pump can accurately control the flow, it needs to be calibrated after long-term use, and the metering pump needs to stop working in this process, thereby affecting production, in order to solve the above problems, a temperature abnormality sensing processing device is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at: in order to solve the above problems, provide a kind of electro-hydraulic centralized control's accurate flow regulating device, including:

[0006] Regulating device body, its left and right sides are respectively fixedly installed with calibration mechanism and liquid discharge mechanism, the calibration mechanism one side upper and lower ends are respectively fixedly installed with calibration outlet and calibration inlet, the liquid discharge mechanism one side upper and lower ends are respectively fixedly installed with liquid discharge port and liquid inlet;

[0007] Calibration water tank, its inside is provided with discharge bin and recovery bin, the discharge bin upper end is communicated with calibration inlet by water pipe, the recovery bin upper end is communicated with calibration outlet by water pipe, one-way circulation pipe is provided between the discharge bin and recovery bin, electromagnetic valve is fixedly installed on the outer wall of one-way circulation pipe.

[0008] Through the technical scheme, in the equipment operation process, the liquid to be delivered enters the inside of the liquid discharge mechanism through the liquid inlet, and is discharged from the liquid discharge port. In the process, the water in the discharge compartment of the calibration water tank is pumped into the inside of the calibration mechanism through the inlet, and is discharged to the inside of the recovery compartment through the calibration outlet. When the water in the discharge compartment is discharged, the electromagnetic valve is opened to make the water in the recovery compartment re-enter the inside of the discharge compartment. Since the water capacity in the calibration water tank is fixed, the flow rate of the equipment can be calculated according to the working time of the equipment, so that the data is compared with the data displayed by the flow meter. If an abnormality is found, the flow meter is adjusted according to the calculated data, so that online automatic calibration is realized.

[0009] In a preferred embodiment, the motor is fixedly installed on the upper end of the adjusting device body, the output shaft end of the motor is fixedly installed with a worm, the first turbine and the second turbine are rotatably connected inside the adjusting device body, the second eccentric block is fixedly installed on one side of the second turbine, the second transmission rod is sleeved on the outer wall of the second eccentric block, and the second piston rod is hingedly connected on one side of the second transmission rod and slidably connected inside the liquid discharge mechanism.

[0010] Through the technical scheme, the worm is driven to rotate by the motor, the second turbine is driven to rotate by the worm in the process of rotating, the second eccentric block on one side of the second turbine is driven to rotate by the second turbine, and the second transmission rod is driven to reciprocate in the liquid discharge mechanism by the eccentric force of the second eccentric block in the process of working, so that the liquid is quantitatively discharged.

[0011] In a preferred embodiment, the first eccentric block is rotatably connected on one side of the first turbine, the first transmission rod is sleeved on the outer wall of the first eccentric block, and the first piston rod is hingedly connected on one side of the first transmission rod and slidably connected inside the calibration mechanism.

[0012] Through the technical scheme, in the process of working of the motor, the first turbine is driven to rotate by the worm, the first eccentric block is driven to rotate by the first turbine, and the first transmission rod is driven to reciprocate in the calibration mechanism by the eccentric force of the first eccentric block in the process of working, so that the water in the calibration water tank is pumped out.

[0013] In a preferred embodiment, the first turbine and the first eccentric block are inserted with the limiting rod.

[0014] Through the technical scheme, when calibration is not needed, the limiting rod can be pulled out from between the first turbine and the first eccentric block, so that the first turbine does not drive the first eccentric block to rotate. When calibration is needed, the limiting rod is only needed to be inserted between the first turbine and the first eccentric block, so that the first turbine drives the first eccentric block to rotate.

[0015] In a preferred embodiment, the first turbine and the second turbine are both engaged with the worm.

[0016] In a preferred embodiment, the flow meter is fixedly installed on one side of the adjusting mechanism.

[0017] In a preferred embodiment, the liquid level sensor is fixedly installed inside the discharge bin and the recovery bin.

[0018] In a preferred embodiment, the liquid level sensor is used to detect whether the water in the discharge bin and the recovery bin is completely discharged.

[0019] In a preferred embodiment, the motor and the electromagnetic valve are both controlled by the PLC.

[0020] In summary, due to the adoption of the above technical solutions, the present application has the following beneficial effects: the present application provides an electro-hydraulic centralized control precise flow adjusting device.

[0021] During the operation of the device, the liquid to be delivered enters the liquid discharge mechanism through the liquid inlet, and is then discharged from the liquid discharge port. In this process, the water in the discharge bin of the adjusting water tank is pumped into the adjusting mechanism through the adjusting inlet, and then is discharged to the inside of the recovery bin through the adjusting outlet. When the water in the discharge bin is completely discharged, the electromagnetic valve is opened to make the water in the recovery bin re-enter the discharge bin. Since the water capacity in the adjusting water tank is fixed, the flow of the device can be calculated according to the working time of the device, so that the data is compared with the data displayed by the flow meter. If an abnormality is found, the flow meter is adjusted according to the calculated data, so as to realize online automatic adjustment. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 Fig. 1 is a structural schematic view of the shell in the present application;

[0023] Fig. 2 Fig. 2 is a cross section of the present application;

[0024] Fig. 3 Fig. 3 is a cross section of the adjusting water tank in the present application.

[0025] Marked in the figure: 1-adjusting device body; 2-adjusting water tank; 3-adjusting mechanism; 4-liquid discharge mechanism; 5-adjusting outlet; 6-adjusting inlet; 7-liquid discharge port; 8-liquid inlet; 9-discharge bin; 10-recovery bin; 11-one-way circulation pipe; 12-electromagnetic valve; 13-motor; 14-worm; 15-first turbine; 16-second turbine; 17-first transmission rod; 18-first eccentric block; 19-first piston rod; 20-limiting rod; 21-second eccentric block; 22-second transmission rod; 23-second piston rod; 24-flow meter; 25-liquid level sensor. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the utility model embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] The utility model will be described below in combination with Figs. 1-3 A precise flow regulating device of electro-hydraulic centralized control is described in detail.

[0028] Embodiment:

[0029] A precise flow regulating device of electro-hydraulic centralized control comprises:

[0030] The regulating device body 1 is fixedly installed with the adjusting mechanism 3 and the liquid discharge mechanism 4 on the left and right sides, respectively, the adjusting mechanism 3 is fixedly installed with the adjusting outlet 5 and the adjusting inlet 6 on the upper and lower ends of one side, respectively, the adjusting mechanism 3 is fixedly installed with the flowmeter 24 on one side, the liquid level sensor 25 is fixedly installed inside the discharge bin 9 and the recycling bin 10, respectively, the liquid discharge mechanism 4 is fixedly installed with the liquid discharge port 7 and the liquid inlet 8 on the upper and lower ends of one side, respectively, the first eccentric block 18 is rotatably connected to one side of the first turbine 15, the first transmission rod 17 is sleeved with the outer wall of the first eccentric block 18, the first piston rod 19 is hingedly connected to one side of the first transmission rod 17, and the first piston rod 19 is slidably connected inside the adjusting mechanism 3, in the process of working of the motor 13, the first turbine 15 is driven to rotate by the worm 14, the first turbine 15 drives the first eccentric block 18 to rotate, the first transmission rod 17 is driven to reciprocate in the adjusting mechanism 3 by the eccentric force of the first eccentric block 18 when the first eccentric block 18 works, so as to pump out the water in the adjusting water tank 2, the limiting rod 20 is inserted between the first turbine 15 and the first eccentric block 18, when the adjusting is not needed, the limiting rod 20 can be pushed out from between the first turbine 15 and the first eccentric block 18, at this time, the first turbine 15 will not drive the first eccentric block 18 to rotate, when the adjusting is needed, the limiting rod 20 is only needed to be inserted between the first turbine 15 and the first eccentric block 18, so that the first turbine 15 drives the first eccentric block 18 to rotate, the liquid level sensor 25 is fixedly installed inside the discharge bin 9 and the recycling bin 10, respectively, and whether the water in the discharge bin 9 and the recycling bin 10 is completely discharged is detected by the liquid level sensor 25.

[0031] The upper end of the adjusting device body 1 is fixedly provided with a motor 13, and the motor 13 and the electromagnetic valve 12 are controlled by a PLC. The output shaft end of the motor 13 is fixedly provided with a worm 14. The first turbine 15 and the second turbine 16 are engaged with the worm 14. The first turbine 15 and the second turbine 16 are rotatably connected in the adjusting device body 1. The second turbine 16 is fixedly provided with a second eccentric block 21 on one side. The second eccentric block 21 is sleeved with a second transmission rod 22 on the outer wall. The second transmission rod 22 is hingedly provided with a second piston rod 23 on one side. The second piston rod 23 is slidably connected in the liquid discharging mechanism 4. The motor 13 drives the worm 14 to rotate. The worm 14 drives the second turbine 13 to rotate in the process of rotating. The second turbine 16 drives the second eccentric block 21 on one side to rotate. The second eccentric block 21 drives the second transmission rod 22 to reciprocate in the liquid discharging mechanism 4 under the action of the eccentric force when working, so as to quantitatively discharge the liquid.

[0032] The adjusting water tank 2 is provided with a discharging bin 9 and a recycling bin 10 in the inside. The upper end of the discharging bin 9 is communicated with the adjusting inlet 6 through a water pipe. The upper end of the recycling bin 10 is communicated with the adjusting outlet 5 through a water pipe. The discharging bin 9 and the recycling bin 10 are provided with a one-way circulation pipe 11. The one-way circulation pipe 11 is fixedly provided with an electromagnetic valve 12 on the outer wall. In the process of equipment operation, the liquid required to be conveyed enters the liquid discharging mechanism 4 through the liquid inlet 8 and is discharged from the liquid outlet 7. In this process, the water in the discharging bin 9 in the adjusting water tank 2 is pumped into the adjusting mechanism 3 through the adjusting inlet 6 and is discharged to the inside of the recycling bin 10 through the adjusting outlet 6. When the water in the discharging bin 9 is discharged, the electromagnetic valve 12 is opened to make the water in the recycling bin 10 re-enter the discharging bin 9. Since the water capacity in the adjusting water tank 2 is fixed, the flow rate of the equipment can be calculated according to the working time of the equipment, so as to compare the data with the data displayed by the flow meter. If an abnormality is found, the flow meter is adjusted according to the calculated data, so as to realize online automatic adjustment.

[0033] Working principle:

[0034] In the process of equipment operation, the liquid required to be conveyed enters the liquid discharging mechanism 4 through the liquid inlet 8 and is discharged from the liquid outlet 7. In this process, the water in the discharging bin 9 in the adjusting water tank 2 is pumped into the adjusting mechanism 3 through the adjusting inlet 6 and is discharged to the inside of the recycling bin 10 through the adjusting outlet 6. When the water in the discharging bin 9 is discharged, the electromagnetic valve 12 is opened to make the water in the recycling bin 10 re-enter the discharging bin 9. Since the water capacity in the adjusting water tank 2 is fixed, the flow rate of the equipment can be calculated according to the working time of the equipment, so as to compare the data with the data displayed by the flow meter. If an abnormality is found, the flow meter is adjusted according to the calculated data, so as to realize online automatic adjustment.

[0035] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features therein can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An electro-hydraulically centrally controlled precision flow regulating device, characterized in that: Include: Adjusting device body (1), its left and right sides are fixedly installed with adjusting mechanism (3) and liquid discharge mechanism (4) respectively, the adjusting mechanism (3) one side upper and lower ends are fixedly installed with adjusting outlet (5) and adjusting inlet (6) respectively, the liquid discharge mechanism (4) one side upper and lower ends are fixedly installed with liquid discharge port (7) and liquid inlet (8) respectively; Adjusting water tank (2), its inside is provided with discharge bin (9) and recycling bin (10), the discharge bin (9) upper end is communicated with adjusting inlet (6) through water pipe, the recycling bin (10) upper end is communicated with adjusting outlet (5) through water pipe, the discharge bin (9) and recycling bin (10) are provided with one-way circulation pipe (11), the one-way circulation pipe (11) outer wall is fixedly installed with electromagnetic valve (12).

2. A electro-hydraulic centralized control precision flow regulating device as claimed in claim 1, characterized in that: The adjusting device body (1) upper end is fixedly installed with motor (13), the output shaft end of motor (13) is fixedly installed with worm (14), the adjusting device body (1) inside is rotatably connected with first turbine (15) and second turbine (16), the second turbine (16) one side is fixedly installed with second eccentric block (21), the second eccentric block (21) outer wall is sleeved with second transmission rod (22), the second transmission rod (22) one side is hinged with second piston rod (23), and the second piston rod (23) is slidably connected in the liquid discharge mechanism (4).

3. A electro-hydraulic centrally controlled precision flow regulating device as claimed in claim 2, characterized in that: The first turbine (15) one side is rotatably connected with first eccentric block (18), the first eccentric block (18) outer wall is sleeved with first transmission rod (17), the first transmission rod (17) one side is hinged with first piston rod (19), and the first piston rod (19) is slidably connected in the adjusting mechanism (3).

4. An electro-hydraulically centrally controlled precision flow regulating device as claimed in claim 3, characterized in that: The first turbine (15) and first eccentric block (18) are inserted with limiting rod (20).

5. An electro-hydraulically centrally controlled precision flow regulating device as claimed in claim 4, characterized in that: The first turbine (15) and second turbine (16) are engaged with worm (14).

6. An electro-hydraulically centrally controlled precision flow regulating device as claimed in claim 1, characterized in that: The adjusting mechanism (3) one side is fixedly installed with flowmeter (24).

7. The electro-hydraulically centrally controlled precision flow regulating device of claim 1, wherein: The discharge bin (9) and recycling bin (10) inside are fixedly installed with liquid level sensor (25).

8. An electro-hydraulically centrally controlled precision flow regulating device as claimed in claim 2, characterized in that: The motor (13) and electromagnetic valve (12) are controlled by PLC.

Images