CN113357157A

CN113357157A - Automatic monitoring and control device for water pressure of large water pump suitable for water works

Info

Publication number: CN113357157A
Application number: CN202110594465.4A
Authority: CN
Inventors: 田仁宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-09-07

Abstract

The invention relates to the technical field of water pumps, and discloses an automatic water pressure monitoring and controlling device of a large water pump, which is suitable for a water supply plant and comprises a shell, wherein a sealing ring is fixedly connected to the outside of the shell, a filter plate is fixedly connected to the inside of the shell, a fixed plate is fixedly connected to the outside of the filter plate, a rotating impeller is rotatably connected to the outside of the fixed plate, a water inlet groove is fixedly connected to the inside of the shell, and a rotating shaft is rotatably connected to the inside of the shell; through mutually supporting between pivot, carousel, removal frame, fixed frame, feeler lever, gear one, gear two, connecting rod, the on-off for this device can carry out timely control to the water pump when monitoring the inflow of water pump and changing, thereby avoids inside the water pump still to cause the condition emergence of damage to inner structure and component in the operation when inhaling the solid mixture, thereby has reached the effect of the timely control that breaks down.

Description

Automatic monitoring and control device for water pressure of large water pump suitable for water works

Technical Field

The invention relates to the technical field of water pumps, in particular to a large-scale water pump water pressure automatic monitoring and controlling device suitable for a water supply plant.

Background

Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, mainly used to transport liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal, etc., and the water pump includes centrifugal pump, reciprocating pump, mixed flow pump, etc.

The water inlet and outlet quantity of the waterworks every day is very large, so a large-scale water pump is generally adopted to take water from a reservoir or a river, the water in the reservoir or the river is sucked up by the traditional water pump through huge centrifugal force generated by rotation of an impeller, but the water in the reservoir or the river contains a large amount of turbid matters, and if the water pump is not monitored and controlled, the inside of the water pump can be sucked into some turbid matters for a long time, so that the water pump is damaged.

In view of the above-mentioned problems, there is an urgent need for an automatic monitoring and controlling device for water pressure of large water pump suitable for water supply plant.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the automatic water pressure monitoring and controlling device of the large water pump, which is suitable for the waterworks, has the advantages of effectively monitoring the water pump and timely controlling the water pump when a fault occurs, and solves the problems that the water in a reservoir or a river contains a large amount of turbid matters, and if the water pump is not monitored and controlled, the inside of the water pump can suck some turbid matters for a long time, and the water pump is damaged.

(II) technical scheme

In order to realize the purposes of effectively monitoring the water pump and timely controlling the water pump when a fault occurs, the invention provides the following technical scheme: an automatic monitoring and control device for water pressure of a large water pump suitable for a water works comprises a shell, wherein a sealing ring is fixedly connected to the outer part of the shell, a filter plate is fixedly connected to the inner part of the shell, a fixing plate is fixedly connected to the outer part of the filter plate, a rotating impeller is rotatably connected to the outer part of the fixing plate, a water inlet tank is fixedly connected to the inner part of the shell, a rotating shaft is rotatably connected to the inner part of the shell, a rotating disc is fixedly connected to the outer part of the rotating shaft, a moving frame is movably connected to the outer part of the rotating disc, a fixing frame is movably connected to the outer part of the moving frame, a touch rod is fixedly connected to the inner part of the fixing frame, a gas storage bag is fixedly connected to the inner part of the gas storage bag, a copper rod is fixedly connected to the inner part of the shell, an S pole is fixedly connected to the inner part of the shell, a pressing plate is movably connected to the inner part of the shell, a first gear is rotatably connected to the inner part of the shell, the inside of shell rotates and is connected with gear two, and gear two's outside swing joint has the connecting rod, and the one end swing joint that the connecting rod kept away from gear two has closed switch.

Preferably, the filter plates are symmetrically distributed along the central line of the transverse plate, and the water inlet groove is fixedly connected with a water outlet outside.

Preferably, the outer part of the rotary table is fixedly connected with protruding rods, and the number of the protruding rods is not higher than five and is uniformly distributed on the outer side of the rotary table at equal angles.

Preferably, the inside fixedly connected with tooth of removal frame, quantity, the specification of tooth all with the protruding pole phase-match, the specification phase-match of removal frame and feeler lever, feeler lever are located the fixed frame of right side of fixed frame and shell fixed connection.

Preferably, the inside fixedly connected with buffer spring one of gas storage bag, eight and with the central line symmetric distribution of gas storage bag are no less than to the quantity of buffer spring one, the position and the N utmost point of bar copper, the position of the S utmost point is corresponding, the N utmost point position, the specification all with the position of the S utmost point, the specification phase-match, the inside fixedly connected with diaphragm of shell, the inner wall fixedly connected with buffer spring two according to the clamp plate, the one end fixed connection that the clamp plate was kept away from to buffer spring two is in the outside of diaphragm, press clamp plate and N utmost point, swing joint between the S utmost point.

Preferably, the first gear and the second gear are meshed and connected, a return spring is fixedly connected to the outside of the closed switch, one end, far away from the closed switch, of the return spring is fixedly connected to the inside of the shell, a lead is fixedly connected to the inside of the shell, and the closed switch is fixedly connected with the lead.

Preferably, the rotating impeller, the rotating shaft and the first gear are all electrically connected with a driving power supply, and the feeler lever, the copper bar and the driving power supply are all electrically connected with the control center.

(III) advantageous effects

Compared with the prior art, the invention provides an automatic monitoring and controlling device for the water pressure of a large water pump suitable for a water works, which has the following beneficial effects:

1. this large-scale water pump water pressure automatic monitoring and controlling means suitable for water works, through the sealing washer, the filter, the fixed plate, the impeller rotates, the intake chamber, the bar copper, the N utmost point, the S utmost point, press the mutually supporting between the clamp plate, make this device can produce induced-current in the circuit when the water pump moves, and then can ensure whether normal operating of water pump, when having avoided because of having a large amount of solid mixture in the water pump, the condition that causes the damage to water pump itself takes place, thereby reached and to carry out the effect of effective monitoring to the water pump.

2. This large-scale water pump water pressure automatic monitoring and controlling means suitable for water works, through the pivot, the carousel, remove the frame, fixed frame, the feeler lever, gear one, gear two, the connecting rod, mutually support between the on-off, make this device when monitoring the inflow of water pump and produce the change, can carry out timely control to the water pump, thereby avoid the inside condition emergence that still operates and cause the damage to inner structure and component when inhaling the solid mixture of water pump, thereby reached the effect of the timely control that breaks down.

Drawings

FIG. 1 is a schematic view, partially in section, of the front structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the structure at C in FIG. 1 according to the present invention.

In the figure: 1. a housing; 2. a seal ring; 3. a filter plate; 4. a fixing plate; 5. rotating the impeller; 6. a water inlet groove; 7. a rotating shaft; 8. a turntable; 9. moving the frame; 10. a fixing frame; 11. a feeler lever; 12. a gas storage bag; 13. a copper bar; 14. an N pole; 15. an S pole; 16. a pressing plate; 17. a first gear; 18. a second gear; 19. a connecting rod; 20. the switch is closed.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an automatic monitoring and controlling device for water pressure of a large water pump suitable for a waterworks comprises a housing 1, a sealing ring 2 is fixedly connected to the outside of the housing 1, a filter plate 3 is fixedly connected to the inside of the housing 1, a fixing plate 4 is fixedly connected to the outside of the filter plate 3, a rotary impeller 5 is rotatably connected to the outside of the fixing plate 4, a water inlet tank 6 is fixedly connected to the inside of the housing 1, the filter plate 3 has two filter plates symmetrically distributed on the center line of a transverse plate, a water outlet is fixedly connected to the outside of the water inlet tank 6, a rotating shaft 7 is rotatably connected to the inside of the housing 1, a rotating disc 8 is fixedly connected to the outside of the rotating shaft 7, a protruding rod is fixedly connected to the outside of the rotating disc 8, the number of the protruding rod is not higher than five, the protruding rod is uniformly distributed on the outside of the rotating disc 8 at equal angle, a movable frame 9 is movably connected to the outside of the rotating disc 8, a fixed frame 10 is movably connected to the outside of the movable frame 9, a feeler lever 11 is fixedly connected inside the fixed frame 10, teeth are fixedly connected inside the movable frame 9, the number and the specification of the teeth are matched with those of the convex lever, the specification of the movable frame 9 is matched with that of the feeler lever 11, the feeler lever 11 is positioned at the right side of the fixed frame 10, the fixed frame 10 is fixedly connected with the shell 1, an air storage bag 12 is fixedly connected inside the water inlet tank 6, copper rods 13 are fixedly connected inside the air storage bag 12, an N pole 14 is fixedly connected inside the shell 1, an S pole 15 is fixedly connected inside the shell 1, a pressing plate 16 is movably connected inside the shell 1, a first buffer spring is fixedly connected inside the air storage bag 12, the number of the first buffer springs is not less than eight and is symmetrically distributed by the central line of the air storage bag 12, the position of the copper rods 13 corresponds to the positions of the N pole 14 and the S pole 15, the position and the specification of the N pole 14 are matched with that of the S pole 15, shell 1' S inside fixedly connected with diaphragm, press the inner wall fixedly connected with buffer spring two of clamp plate 16, buffer spring two keeps away from the outside of the one end fixed connection at the diaphragm of clamp plate 16, press clamp plate 16 and the N utmost point 14, swing joint between the S utmost point 15, through sealing washer 2, the filter 3, fixed plate 4, impeller 5 rotates, intake chamber 6, copper bar 13, the N utmost point 14, the S utmost point 15, press mutually supporting between the clamp plate 16, make this device can produce induced-current in the circuit when the water pump moves, and then can ensure whether normal operating of water pump, when having avoided having a large amount of solid mixture in the water pump, the condition that causes the damage to water pump itself takes place, thereby reached and to carry out the effect of effective monitoring to the water pump.

The inner part of the shell 1 is rotatably connected with a first gear 17, the rotating impeller 5, the rotating shaft 7 and the first gear 17 are electrically connected with a driving power supply, the feeler lever 11, the copper bar 13 and the driving power supply are electrically connected with a control center, the inner part of the shell 1 is rotatably connected with a second gear 18, the outer part of the second gear 18 is movably connected with a connecting rod 19, one end of the connecting rod 19, which is far away from the second gear 18, is movably connected with a closed switch 20, the first gear 17 is meshed with the second gear 18, the outer part of the closed switch 20 is fixedly connected with a reset spring, one end of the reset spring, which is far away from the closed switch 20, is fixedly connected inside the shell 1, a lead is fixedly connected inside the shell 1, the closed switch 20 is fixedly connected with the lead, and the contact lever 11, the first gear 17, the second gear 18, the connecting rod 19 and the closed switch 20 are mutually matched, the device can control the water pump in time when monitoring that the water inflow of the water pump changes, thereby avoiding the situation that the internal structure and elements are damaged when the water pump is operated when solid mixture is sucked, and achieving the effect of timely control when the water pump breaks down.

The working principle is as follows: when the device is started, an operator controls a driving power supply to drive a rotating shaft 7 through a control center, the rotating shaft 7 rotates to drive a rotating disc 8 to rotate, the rotating disc 8 rotates to drive a convex rod to rotate, the convex rod rotates to drive teeth to rotate, the teeth rotate to drive a moving frame 9 to move, along with continuous movement of the moving frame 9, when the moving frame 9 is in contact with a touch rod 11, the control center controls the driving power supply to drive a rotating impeller 5 to rotate, the rotating impeller 5 rotates to generate centrifugal force, external water is further sucked into a water inlet groove 6, the air storage bag 12 is extruded when the sucked water is quickly saturated, the first buffer spring is compressed after the air storage bag 12 is extruded, the copper rod 13 drives a copper rod 13 to move, the copper rod 13 moves to be in contact with a pressing plate 16, the pressing plate 16 moves to compress a second buffer spring, along with continuous movement of the copper rod 13, the copper rod 13 cuts a magnetic induction line between an N pole 14 and an S pole 15, when other mixtures are sucked into the water pump, the rotating speed of the rotating impeller 5 is reduced, so that the water quantity in the water inlet groove 6 is reduced, at the moment, the air storage bag 12 gradually recovers the original shape under the action of the first buffer spring, the copper rod 13 moves in the recovery process of the air storage bag 12, when the copper rod 13 completely moves out of the magnetic induction line between the N pole 14 and the S pole 15, the induced current in the circuit disappears, the control center senses the current change and then controls the driving power supply to stop driving the rotating impeller 5, and at the same time controls the driving power supply to drive the first gear 17, the first gear 17 rotates to drive the second gear 18 to rotate, the second gear 18 rotates to drive the connecting rod 19 to rotate, the connecting rod 19 rotates to drive the closing switch 20 to rotate, the closing switch 20 rotates to compress the return spring, and the circuit is disconnected after the closing switch 20 rotates, thereby realizing the purpose of protecting the water pump.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a large-scale water pump water pressure automatic monitoring and controlling means suitable for water works, includes shell (1), its characterized in that: the outer part of the shell (1) is fixedly connected with a sealing ring (2), the inner part of the shell (1) is fixedly connected with a filter plate (3), the outer part of the filter plate (3) is fixedly connected with a fixing plate (4), the outer part of the fixing plate (4) is rotatably connected with a rotating impeller (5), the inner part of the shell (1) is fixedly connected with a water inlet tank (6), the inner part of the shell (1) is rotatably connected with a rotating shaft (7), the outer part of the rotating shaft (7) is fixedly connected with a rotating disc (8), the outer part of the rotating disc (8) is movably connected with a movable frame (9), the outer part of the movable frame (9) is movably connected with a fixed frame (10), the inner part of the fixed frame (10) is fixedly connected with a contact rod (11), the inner part of the water inlet tank (6) is fixedly connected with a gas storage bag (12), the inner part of the gas storage bag (12) is fixedly connected with a copper rod (13), and the inner part of the shell (1) is fixedly connected with an N pole (14), the internal fixedly connected with S utmost point (15) of shell (1), the internal swing joint of shell (1) has press plate (16), and the internal rotation of shell (1) is connected with gear one (17), and the internal rotation of shell (1) is connected with gear two (18), and the outside swing joint of gear two (18) has connecting rod (19), and the one end swing joint that gear two (18) were kept away from in connecting rod (19) has closed switch (20).

2. The automatic monitoring and control device for the water pressure of the large water pump suitable for the water works according to claim 1, characterized in that: the filter plate (3) is provided with two filter plates which are symmetrically distributed by the central line of the transverse plate, and the outside of the water inlet groove (6) is fixedly connected with a water outlet.

3. The automatic monitoring and control device for the water pressure of the large water pump suitable for the water works according to claim 1, characterized in that: the outer portion of the rotary table (8) is fixedly connected with protruding rods, the number of the protruding rods is not higher than five, and the protruding rods are evenly distributed on the outer side of the rotary table (8) at equal angles.

4. The automatic monitoring and control device for the water pressure of the large water pump suitable for the water works according to claim 1, characterized in that: the inside fixedly connected with tooth of removal frame (9), quantity, the specification of tooth all with the protruding pole phase-match, the specification phase-match of the specification and feeler lever (11) of removal frame (9), feeler lever (11) are located the right side of fixed frame (10), fixed frame (10) and shell (1) fixed connection.

5. The automatic monitoring and control device for the water pressure of the large water pump suitable for the water works according to claim 1, characterized in that: the inside fixedly connected with buffer spring one of gas storage bag (12), the quantity of buffer spring one is no less than eight and with the central line symmetric distribution of gas storage bag (12), the position and the N utmost point (14) of bar copper (13), the position of the S utmost point (15) is corresponding, the N utmost point (14) position, the position of specification all with the S utmost point (15), the specification phase-match, the inside fixedly connected with diaphragm of shell (1), the inner wall fixedly connected with buffer spring two according to clamp plate (16), the one end fixed connection that buffer spring two kept away from according to clamp plate (16) is in the outside of diaphragm, press clamp plate (16) and N utmost point (14), swing joint between the S utmost point (15).

6. The automatic monitoring and control device for the water pressure of the large water pump suitable for the water works according to claim 1, characterized in that: the gear I (17) is connected with the gear II (18) in a meshed mode, a reset spring is fixedly connected to the outer portion of the closed switch (20), one end, far away from the closed switch (20), of the reset spring is fixedly connected to the inner portion of the shell (1), a lead is fixedly connected to the inner portion of the shell (1), and the closed switch (20) is fixedly connected with the lead.

7. The automatic monitoring and control device for the water pressure of the large water pump suitable for the water works according to claim 1, characterized in that: the rotary impeller (5), the rotating shaft (7) and the first gear (17) are electrically connected with a driving power supply, and the feeler lever (11), the copper bar (13) and the driving power supply are electrically connected with the control center.