CN215927812U

CN215927812U - Automatic start-stop protection device for submerged pump

Info

Publication number: CN215927812U
Application number: CN202121101405.6U
Authority: CN
Inventors: 邢国良
Original assignee: Shandong Honghui Electromechanical Engineering Co ltd
Current assignee: Shandong Honghui Electromechanical Engineering Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-03-01
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses an automatic start-stop protection device for a submerged pump, which comprises a first connecting pipe and a second connecting pipe, wherein the bottom of the second connecting pipe is connected with the inside of the first connecting pipe in a sliding manner, a plurality of first limiting holes are formed in the outer surface of the first connecting pipe, a plurality of second limiting holes corresponding to the first limiting holes are formed in the outer surface of the second connecting pipe, and positioning pins are inserted into the first limiting holes. According to the utility model, the liquid level sensor can quickly and accurately transmit a signal of the current liquid level to the PLC, so that the start and the stop of the submerged pump body are quickly controlled, the start and the stop of the submerged pump are accurately controlled, the service life of the submerged pump body is prolonged, the length of the device can be adjusted according to the length of the submerged pump body, the device can be directly installed on the water outlet pipe, other installation positions are not required to be selected for installation, and the liquid level sensor is convenient to maintain and replace.

Description

Automatic start-stop protection device for submerged pump

Technical Field

The utility model relates to the technical field of submerged pump protection devices, in particular to an automatic start-stop protection device for a submerged pump.

Background

The submerged pump is a positive pressure conveying vertical pump, and can effectively solve the problems of air resistance and cavitation. The explosion-proof grade of conveyed materials determines that submerged pump products have different structures, working principles, classifications, application ranges, product advantages and defects and operation modes, and can be simply divided into two categories, namely a traditional submerged pump and a novel submerged pump;

the automatic start-stop protection device is not arranged on the existing submerged pump, the operation is carried out through manual work, after the sewage in the sewage collecting pool is pumped by the fluid pump, workers easily forget to close the fluid pump due to negligence of work, so that the fluid pump is in an idle running state and is damaged, the service life of the submerged pump is shortened, the maintenance cost is increased, the existing automatic start-stop protection device also needs to be installed at a new position beside the submerged pump, the occupied space is not only occupied, the structure is complex, and the installation and the maintenance are not convenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an automatic start-stop protection device for a submerged pump.

In order to achieve the purpose, the utility model adopts the following technical scheme: an automatic start-stop protection device for a submerged pump comprises a first connecting pipe and a second connecting pipe, wherein the bottom of the second connecting pipe is in sliding connection with the inside of the first connecting pipe, a plurality of first limiting holes are formed in the outer surface of the first connecting pipe, a plurality of second limiting holes corresponding to the first limiting holes are formed in the outer surface of the second connecting pipe, positioning pins are inserted into the first limiting holes, a mounting plate is arranged below the bottom end of the first connecting pipe, a threaded column is fixedly connected to the upper surface of the mounting plate, the top end of the threaded column is connected with the inside of the bottom end of the first connecting pipe through threads, a liquid level sensor is mounted on the lower surface of the mounting plate in a penetrating mode, a protective sleeve is sleeved outside the liquid level sensor, a submerged pump body is arranged on one side of the first connecting pipe, and a fixed plate is fixedly connected to the outer surface of the submerged pump body and the position close to the top of the submerged pump body, a water outlet pipe is fixedly connected at the water outlet end of the submerged pump body, an opening is arranged at one side of the outer surface of the fixing plate, the top ends of the second connecting pipe and the water outlet pipe are both penetrated through the openings, a bearing hopper is sleeved outside the protective sleeve, one side of the outer surface of the receiving hopper, which is close to the water outlet pipe, is fixedly connected with a first connecting rod, the other end of the first connecting rod is fixedly connected with a first connecting seat, the bottom end of the water outlet pipe is sleeved with a first clamp, one side of the first clamp is fixedly connected with the first connecting seat, the top ends of the second connecting pipe and the water outlet pipe are respectively sleeved with a second clamp and a third clamp, the outer surfaces of the second clamp and the third clamp are respectively and fixedly connected with a second connecting seat and a third connecting seat, and a second connecting rod is fixedly connected between the second connecting seat and the third connecting seat, and a PLC (programmable logic controller) is arranged on one side of the submerged pump body.

As a further description of the above technical solution:

one end of the positioning pin extends to the inside of the second limiting hole and is connected with the second limiting hole through threads.

As a further description of the above technical solution:

the top of lag is connected for dismantling with the lower surface of mounting panel, just the bottom shape of lag cooperatees with accepting the inside shape of fighting.

As a further description of the above technical solution:

first clamp, second clamp and third clamp are the clamp that can open.

As a further description of the above technical solution:

the top end of the liquid level sensor is connected with a signal wire, and one end of the signal wire is connected with the PLC.

As a further description of the above technical solution:

the bottom of the receiving hopper is provided with a water inlet.

The utility model has the following beneficial effects:

1. this automatic start-stop protection device of submerged pump, liquid level sensor through setting up, the PLC controller, signal line and submerged pump body, liquid level sensor can sense the liquid level of current sewage, thereby give the PLC controller with signal passing signal line transmission according to current circumstances, the PLC controller receives after the signal, can control the start-up and the closing of submerged pump body according to the signal of giving, thereby avoid the condition of idle running to appear in the submerged pump body, the start-stop work of accurate control submerged pump, reduce manual operation, thereby prolong the life of submerged pump body, reduce the maintenance cost.

2. This automatic start-stop protection device of submerged pump, through the first spacing hole that sets up, spacing hole of second and locating pin, can carry out the length adjustment of first connecting pipe and second connecting pipe according to the length of submerged pump body, thereby can improve the practicality of device, through the first clamp that sets up, the bearing fill, second clamp and third clamp, can fix first connecting pipe and second connecting pipe on the outlet pipe, thereby need not choose for use new mounted position to install, operating personnel has been made things convenient for greatly, and when needing to maintain liquid level sensor and change, only need open the second clamp, can take liquid level sensor out, then maintain and change, maintenance personnel have been made things convenient for greatly.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is an enlarged view at B in fig. 1.

Illustration of the drawings:

1. a first connecting pipe; 2. a second connecting pipe; 3. a first limit hole; 4. a second limiting hole; 5. positioning pins; 6. mounting a plate; 7. a threaded post; 8. a liquid level sensor; 9. a protective sleeve; 10. a submerged pump body; 11. a fixing plate; 12. a water outlet pipe; 13. an opening; 14. a receiving hopper; 15. a first connecting rod; 16. A first connecting seat; 17. a first clamp; 18. a second clamp; 19. a third clamp; 20. a second connecting seat; 21. a third connecting seat; 22. a second connecting rod; 23. a PLC controller; 24. a signal line; 25. A water inlet.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: an automatic start-stop protection device for a submerged pump comprises a first connecting pipe 1 and a second connecting pipe 2, wherein the bottom of the second connecting pipe 2 is slidably connected with the inside of the first connecting pipe 1, the outer surface of the first connecting pipe 1 is provided with a plurality of first limiting holes 3, the outer surface of the second connecting pipe 2 is provided with a plurality of second limiting holes 4 corresponding to the first limiting holes 3, positioning pins 5 are inserted into the first limiting holes 3, a mounting plate 6 is arranged below the bottom end of the first connecting pipe 1, the upper surface of the mounting plate 6 is fixedly connected with a threaded column 7, the top end of the threaded column 7 is connected with the inside of the bottom end of the first connecting pipe 1 through threads, a liquid level sensor 8 is installed on the lower surface of the mounting plate 6 in a penetrating manner, a protective sleeve 9 is sleeved outside the liquid level sensor 8, a submerged pump body 10 is arranged on one side of the first connecting pipe 1, and a fixed plate 11 is sleeved on the outer surface of the submerged pump body 10 and close to the top, outlet end fixedly connected with outlet pipe 12 of submerged pump body 10, opening 13 has been seted up to surface one side of fixed plate 11, opening 13 is all run through on the top of second connecting pipe 2 and outlet pipe 12, the outside cover of lag 9 is equipped with and holds fill 14, one side fixedly connected with first connecting rod 15 that the surface of holding fill 14 is close to outlet pipe 12, the other end fixedly connected with first connector housing 16 of first connecting rod 15, the bottom cover of outlet pipe 12 is equipped with first clamp 17, one side and the first connector housing 16 fixed connection of first clamp 17, the top of second connecting pipe 2 and outlet pipe 12 is equipped with second clamp 18 and third clamp 19 respectively, the surface difference fixedly connected with second connecting seat 20 and third connecting seat 21 of second clamp 18 and third clamp 19, fixedly connected with second connecting rod 22 between second connecting seat 20 and the third connecting seat 21, one side of submerged pump body 10 is equipped with PLC controller 23.

One end of the positioning pin 5 extends into the second limiting hole 4 and is connected with the second limiting hole 4 through threads, and the positioning pin 5 is fixed through the threads, so that the first connecting pipe 1 and the second connecting pipe 2 can be stably limited; the top end of the protective sleeve 9 is detachably connected with the lower surface of the mounting plate 6, the bottom end of the protective sleeve 9 is matched with the inner shape of the receiving hopper 14 in shape, the detachable connection is to facilitate the detachment of the protective sleeve 9 so as to facilitate the replacement and maintenance of the liquid level sensor 8, and the bottom end of the protective sleeve 9 is matched with the inner shape of the receiving hopper 14 so as to enable the protective sleeve 9 to be stably fixed inside the receiving hopper 14; the first clamp 17, the second clamp 18 and the third clamp 19 are openable clamps, so that the installation and the disassembly of the device are convenient; the top end of the liquid level sensor 8 is connected with a signal wire 24, and one end of the signal wire 24 is connected with the PLC controller 23, so that the liquid level sensor 8 can transmit signals to the PLC controller 23; the water inlet 25 is opened at the bottom of the receiving hopper 14 to allow water to smoothly enter the interior of the protective sleeve 9 and contact the liquid level sensor 8.

The working principle is as follows: when the automatic start-stop protection device for the submerged pump is used, the liquid level sensor 8 can sense the current liquid level of sewage, when the liquid level is too low, the liquid level sensor 8 transmits a signal to the PLC controller 23 through the signal line 24, the PLC controller 23 controls the submerged pump body 10 to stop at the moment, so that idling can be avoided, the service life of the submerged pump is prolonged, when the liquid level meets the conditions, the liquid level sensor 8 transmits a signal to the PLC controller 23 through the signal line 24, the PLC controller 23 controls the submerged pump body 10 to start at the moment, so that start-stop work of the submerged pump can be accurately controlled, manual operation is reduced, when the protection device is installed, the first clamp 17 and the third clamp 19 are respectively sleeved at the bottom end and the top end of the water outlet pipe 12, then length adjustment of the first connecting pipe 1 and the second connecting pipe 2 can be carried out according to the length of the submerged pump body 10, and through twisting locating pin 5 into corresponding first spacing hole 3 and the spacing hole 4 of second, fix first connecting pipe 1 and second connecting pipe 2, then go into in the protective sheath 9 card receives the fill 14, and with the top of first connecting pipe 1 fix in second clamp 18 can, thereby need not choose for use other mounted position to install, operating personnel has been made things convenient for greatly, and when needs maintain liquid level sensor 8 and change, only need open second clamp 18, can take liquid level sensor 8 out, then maintain and change, maintenance personnel has been made things convenient for greatly.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an automatic start-stop protection device of submerged pump, includes first connecting pipe (1) and second connecting pipe (2), its characterized in that: the bottom of the second connecting pipe (2) is connected with the inner portion of the first connecting pipe (1) in a sliding mode, a plurality of first limiting holes (3) are formed in the outer surface of the first connecting pipe (1), a plurality of second limiting holes (4) corresponding to the first limiting holes (3) are formed in the outer surface of the second connecting pipe (2), positioning pins (5) are inserted into the first limiting holes (3), a mounting plate (6) is arranged below the bottom end of the first connecting pipe (1), a threaded column (7) is fixedly connected to the upper surface of the mounting plate (6), the top end of the threaded column (7) is connected with the inner portion of the bottom end of the first connecting pipe (1) through threads, a liquid level sensor (8) is installed on the lower surface of the mounting plate (6) in a penetrating mode, a protective sleeve (9) is sleeved outside the liquid level sensor (8), and a submerged pump body (10) is arranged on one side of the first connecting pipe (1), the submerged pump is characterized in that a fixed plate (11) is fixedly connected to the outer surface of the submerged pump body (10) and the position close to the top of the submerged pump body is sleeved with the outer surface of the submerged pump body (10), a water outlet pipe (12) is fixedly connected to the water outlet end of the submerged pump body (10), an opening (13) is formed in one side of the outer surface of the fixed plate (11), the top ends of a second connecting pipe (2) and the water outlet pipe (12) penetrate through the opening (13), a bearing hopper (14) is sleeved on the outer portion of a protective sleeve (9), a first connecting rod (15) is fixedly connected to one side, close to the water outlet pipe (12), of the outer surface of the bearing hopper (14), a first connecting seat (16) is fixedly connected to the other end of the first connecting rod (15), a first clamp (17) is sleeved at the bottom end of the water outlet pipe (12), one side of the first clamp (17) is fixedly connected with the first connecting seat (16), a second clamp (18) and a third clamp (19) are respectively sleeved at the top ends of the second connecting pipe (2) and the water outlet pipe (12), the outer surface difference fixedly connected with second connecting seat (20) and third connecting seat (21) of second clamp (18) and third clamp (19), fixedly connected with second connecting rod (22) between second connecting seat (20) and third connecting seat (21), one side of submerged pump body (10) is equipped with PLC controller (23).

2. The submerged pump automatic start-stop protection device of claim 1, characterized in that: one end of the positioning pin (5) extends into the second limiting hole (4) and is connected with the second limiting hole (4) through threads.

3. The submerged pump automatic start-stop protection device of claim 1, characterized in that: the top of lag (9) is connected for dismantling with the lower surface of mounting panel (6), just the bottom shape of lag (9) cooperatees with the inside shape of holding fill (14).

4. The submerged pump automatic start-stop protection device of claim 1, characterized in that: the first clamp (17), the second clamp (18) and the third clamp (19) are openable clamps.

5. The submerged pump automatic start-stop protection device of claim 1, characterized in that: the top end of the liquid level sensor (8) is connected with a signal wire (24), and one end of the signal wire (24) is connected with a PLC (programmable logic controller) (23).

6. The submerged pump automatic start-stop protection device of claim 1, characterized in that: the bottom of the receiving hopper (14) is provided with a water inlet (25).