KR20160128032A - Automatic discharge connection of submersible pump having semi-permanent life - Google Patents

Automatic discharge connection of submersible pump having semi-permanent life Download PDF

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Publication number
KR20160128032A
KR20160128032A KR1020150059760A KR20150059760A KR20160128032A KR 20160128032 A KR20160128032 A KR 20160128032A KR 1020150059760 A KR1020150059760 A KR 1020150059760A KR 20150059760 A KR20150059760 A KR 20150059760A KR 20160128032 A KR20160128032 A KR 20160128032A
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KR
South Korea
Prior art keywords
pump
submersible pump
ring member
automatic
desorption apparatus
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Application number
KR1020150059760A
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Korean (ko)
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KR101779657B1 (en
Inventor
한세구
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한세구
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Priority to KR1020150059760A priority Critical patent/KR101779657B1/en
Publication of KR20160128032A publication Critical patent/KR20160128032A/en
Application granted granted Critical
Publication of KR101779657B1 publication Critical patent/KR101779657B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/605—Mounting; Assembling; Disassembling specially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The present invention relates to an automatic desorption apparatus for a submersible pump having a semi-permanent lifetime, in which a guide is provided on one side of an underwater pump so as to be guided in a guide bar vertically installed in an automatic desorption apparatus provided with a drain pipe, A guide groove is formed at one end of the discharge port of the submersible pump so that the discharge ports of the pump are coupled to each other so that mutual detachment can be performed from the coupling portion, wherein counter grooves are formed at the tip of the inner diameter of the inlet side of the coupling portion side of the automatic detachment device, Wherein a ring member having a pin hole penetrating therethrough coinciding with the pin hole is inserted into the counter groove together with the packing member in the counter groove and a pin is provided in the pin hole of the inlet port to support the ring member And is attached to the outlet side of the underwater pump. A ring member including a packing member is inserted into a connection portion of the automatic desorption apparatus so that the ring member can be prevented from being separated by the fixing pin and the discharge port side of the underwater pump, So that the water pump can be easily separated from the automatic desorption apparatus due to the severe corrosion of the interconnecting points, thereby eliminating the problem that the underwater pump can not be easily separated from the automatic desorption apparatus Therefore, it is possible to smoothly carry out the replacement and repair work of the submersible pump while keeping the surrounding submerged pump in the water tank without giving a refreshing effect.

Description

Technical Field [0001] The present invention relates to an automatic submersible pump having a semi-permanent life,

The present invention relates to a submersible pump, and more particularly, a plurality of submersible pumps are installed on the floor of a water tank, and each of them can be individually lifted and lowered by an automatic detachable type so that the water pump can be replaced or repaired for a long period of time The underwater pump can be easily separated from the automatic desorption apparatus without detaching the automatic desorption apparatus by inducing the corrosion of the close airtight point of the automatic desorption apparatus connected to the discharge port side of the submersible pump directly, To an automatic desorption apparatus for a submersible pump having a semi-permanent life so that the submersible pump can be separated, replaced and repaired without affecting the operation of the submersible pump of the submersible pump.

Generally, a submersible pump is installed in water to suck fluid (water) toward the inlet side and forcedly flow to the outlet side.

In particular, a submersible pump is installed and used in a deep water with a relatively deep water such as a superior treatment plant and a sewage treatment plant. In brief, there is a motor casing having an oil chamber including a motor at an upper portion thereof, An impeller housing for receiving a screw-type impeller coupled to a rotating shaft of the motor is installed inside the casing, and an inlet port is provided at the bottom of the casing, and a support leg is provided.

The above-mentioned submerged pump is disclosed in Korean Patent No. 10-1314650 (name: screw type submerged pump; date of registration: September 27, 2013, hereinafter referred to as Patent Document 1) as a prior art document.

In the patent document 1, the submersible pump is connected to an automatic desorption device having a discharge port near the discharge port. The submersible pump is installed on the floor of a water tank. Recently, for the purpose of replacing with a new underwater pump or repairing, 0952664, entitled " Automatic Desorption Apparatus for Submersible Pumps with a Leakage-Free Structure, Registered on Apr. 06, 2010, hereinafter referred to as Patent Document 2).

The underwater pump in Patent Document 2 has a structure in which a guide hook is provided on the discharge port side so as to be vertically guided along a guide bar perpendicular to the discharge elbow (hereinafter, referred to as an automatic desorption apparatus) during the construction.

This is a type in which the guide hook on the outlet side of the submersible pump is guided by the coupling part provided on the automatic desorption device side so that the outlet of the underwater pump and the automatic desorption device coincide with each other,

As shown in FIGS. 1 and 2, the underwater pump 20 is installed in the water tank 1 and is pumped. When the underwater pump is abnormal, or when the underwater pump is replaced due to a failure, The underwater pump must be lifted up in the upward direction of the water storage tank 1 from the automatic desorption apparatus 10 with reference to the guide bar 12 vertically installed from the automatic desorption apparatus 10.

However, as shown in FIG. 3, it is possible to prevent the pump 20 from flowing out of the inlet 13a of the connection point where the fluid contacts the end of the automatic dismounting device 10 on the side of the coupling part 13, Corrosion and abrasion due to the operation (the "a" portion in FIG. 3) are generated severely, and separation from the automatic desorption apparatus is difficult.

Therefore, after the water filled in the water tank is completely drained, a worker is required to work in the water tank to unfasten the fixing bolt fixing the automatic desorption apparatus to the floor and pull it together with the underwater pump.

Since the fixing bolt side is also corroded for the reason that it is mostly installed in water, it is necessary to remove the automatic detachment device by removing the anchor bolt from the bottom of the concrete floor where the automatic detachment device is fixed from the floor.

In the above process, all the submerged pumps should be stopped in the water reservoir, and some water reservoirs can not block the wastewater and stormwater coming into the water reservoir, thereby making a separate water reservoir and bypassing the existing water reservoir. And the detachment operation of the automatic desorption apparatus.

As a result, both sides must be replaced due to the problem of corrosion and abrasion problems of the discharge port side of the submersible pump and the automatic desorption device, so that there is a problem that high costs are incurred when the submersible pump is replaced.

SUMMARY OF THE INVENTION The present invention has been developed in order to solve the above-mentioned conventional problems, and it is an object of the present invention to provide a water tank in which a plurality of water reservoirs are installed and operated, The pump is replaced and repaired so that corrosion and abrasion of the tightly sealed portion of the automatic desorption device connected to the discharge port side of the underwater pump can be prevented from directly occurring and the underwater pump can be operated from the automatic desorption device And an automatic detachment device for a submersible pump having a semi-permanent life so that the submersible pump can be separated, replaced and repaired without affecting the operation of the submersible pump.

According to the present invention, a guide is provided at one side of an underwater pump so as to be guided in a guide bar vertically installed in an automatic desorption apparatus provided with a drain pipe, and the inlet port of the automatic detachment apparatus- Wherein a guide hook is provided at one side of the discharge port of the submersible pump so as to be detached from the coupling portion,

Wherein a counter-groove is formed at the tip of the inner diameter of the inlet of the automatic desorption apparatus, a pin hole is formed through the counter groove from the outside, and a ring member having a pin hole penetrating therethrough is inserted into the counter- And the fixing pin is inserted into the pin hole of the inlet member and inserted into the pin hole of the ring member to support the ring member, and is connected to the outlet side of the underwater pump.

The ring member according to the present invention is made of a metal material and a synthetic resin material free from corrosion, and has a coupling step for guiding and coupling a ring-shaped packing member on one surface thereof.

The ring member according to the present invention is further provided with a locking protrusion which is hooked on the outer side of the inlet, and the one side of the locking protrusion is tightly coupled with the outlet side of the underwater pump.

Further, according to the present invention,

A guide hook is provided on one side of an outlet of the submersible pump so that a guide is provided on one side of the submersible pump so as to be guided in a guide bar vertically installed in an automatic desorption device provided with a drain pipe, and an inlet port of the automatic desorption device- So that mutual desorption is performed from the fastening portion,

Wherein a flange portion having a plurality of connecting holes is provided on the side of the coupling portion, and coupling grooves coinciding with coupling holes are formed in the flange portion, and a flange portion and an O-ring supporting groove for inserting and supporting an O- And the ring member is fixed to the discharge port side of the submersible pump by a structure in which the formed ring member is fixed as a fastening bolt.

The submerged pump connection structure according to the present invention is characterized in that a ring member including a packing member is inserted into a connection portion of the automatic desorption apparatus so as to prevent the ring member from being separated by a fixing pin, The discharge port side of the automatic desorption apparatus does not come into direct contact with the inlet side of the automatic desorption apparatus and can be engaged and separated in a state in which it is in close contact with the ring member which does not cause corrosion so that the underwater pump can be easily It is possible to solve the problem that the pump can not be separated and to smoothly perform the replacement and repair work of the underwater pump without giving the ambient water pump to the surrounding water pump in the water tank.

1 is a front view illustrating a state in which a plurality of general underwater pumps are installed in a water tank,
Fig. 2 is a front view showing an enlarged installation state of a conventional underwater pump,
3 is a partial cross-sectional view of portion "A" of FIG. 2 for explaining a discharge port of a conventional underwater pump and a corrosion occurrence site on the automatic desorption apparatus side,
FIG. 4 is a sectional view showing an installation state of an underwater pump according to the present invention,
FIG. 5 is a perspective view showing an airtight member applied to the automatic desorption apparatus in FIG. 4,
FIG. 6 is a sectional view showing a state in which an underwater pump is upwardly separated from the automatic desorption apparatus in FIG. 4,
FIG. 7 is a sectional view showing a submersible pump installation state according to an embodiment of the present invention, FIG.
FIG. 8 is a perspective view showing the airtight member applied to the automatic desorption apparatus in FIG. 7,
FIG. 9 is a sectional view showing a state in which the submerged pump is upwardly separated from the automatic desorption apparatus in FIG. 7,
FIG. 10 is a sectional view showing a submersible pump installation state according to another embodiment of the present invention, FIG.
FIG. 11 is a perspective view showing an airtight member applied to the automatic desorption apparatus in FIG. 10,
12 is a cross-sectional view showing a state in which the submerged pump is upwardly separated from the automatic desorption apparatus in FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be construed in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, It should be understood that various equivalents and modifications may be present.

The underwater pump connection structure according to the present invention is as shown in FIGS.

A guide 22 is provided at one side of the submerged pump 20 so as to be guided in a guide bar 12 vertically installed in an automatic desorption apparatus 10 provided with a drain pipe 11, The guide hook 23 is provided at one side of the discharge port of the submersible pump so that the inlet 13a of the submersible pump 13 and the discharge port 21 of the submersible pump 20 are connected to each other,

A counter groove (13) is formed at the inner diameter front end of the inlet (13a) on the side of the fastening part (13) of the automatic desorption apparatus (10).

The counter grooves 13b are formed by counterboring the inner diameters and a pin hole 13c is formed through the counter grooves 13b on the outer side of the fastening portion 13 where the counter grooves 13b are formed .

A ring member 30 through which a pin hole 31 coinciding with the pin hole 13c is inserted is inserted into the counter groove 13b together with the packing member 40 in the counter groove 13b.

The back surface of the ring member 30 inserted in the counter groove 13b is in line with the side surface of the front end side fastening portion 13 where the inlet 13a is formed.

A fixing pin P is inserted into the pin hole 31 of the ring member 30 to support the ring member 30 in the pin hole 13c of the inlet 13a.

In this way, the outlet 21 of the underwater pump 20 is closely attached to the inlet 13a of the automatic desorption apparatus 10.

The ring member 30 is made of a metal material and synthetic resin material free from corrosion and has a coupling step 32 for guiding and coupling a ring-shaped packing member 40 on one surface.

7 to 9 illustrate a ring member 30 according to an embodiment of the present invention. The ring member 33 has an engaging jaw (not shown) which is hooked on the outer side of the inlet 13a, (33) is formed on one side of the water pump (20), and one side of the catching jaw (33) is tightly bonded to the discharge port (21) side of the underwater pump (20).

This allows the catching jaw 33 to prevent leakage of the fluid without the direct contact between the coupling portion 13 side and the discharge port 21 of the submersible pump 20.

In another embodiment of the present invention, as shown in FIGS. 10 to 12,

A guide 22 is provided at one side of the submerged pump 20 so as to be guided in a guide bar 12 vertically installed in an automatic desorption apparatus 10 provided with a drain pipe 11, The guide hook 23 is provided at one side of the discharge port of the submersible pump so that the inlet 13a of the submersible pump 13 and the discharge port 21 of the submersible pump 20 are connected to each other,

A flange portion 13-1 having a plurality of connection holes 13-2 is provided on the side of the fastening portion 13, And a ring member 30 'having an O-ring support groove 13-2 for inserting and supporting an O-ring 50 hermetically sealed to the flange portion is formed on one surface of the coupling groove 30-2, Is fixed as a fastening bolt (60), and is connected to the discharge port (21) side of the submersible pump (20).

When the underwater pump 20 is required to be replaced or repaired from the automatic desorption apparatus 10 in accordance with the use of the underwater pump 20 as described above, The underwater pump guided by the guide 22 to the guide bar 12 can be towed and repaired and replaced.

1, water can be drained into the water tank 1 until the point where the underwater pump 20 and the automatic desorption apparatus 10 are connected is drained to the outside, When the underwater pump 20 is lifted by using a pulling line (not shown) on the upper part thereof, the guide 22 vertically rises with respect to the guide bar 12, The underwater pump 20 can be raised as it is.

In this state, only the corresponding submersible pump 20 is separated from the automatic desorption apparatus 10, so that the guide hook 23 on the side of the underwater pump 20 is separated from the coupling section 13, The ring member 30 inserted in the counter groove 13b of the automatic desorption apparatus 10 is not released to the outside by the fixing pin P. [

The underwater pump 20 can be replaced or repaired and can be reattached to the automatic desorption apparatus 10 while the underwater pump 20 is separated from the automatic desorption apparatus 10 as described above, The ring member 30 or the packing member 40 can be replaced by separating the fastener 13 from the pin hole 31 of the ring member 30. [

Since the above state can be maintained in the state in which the peripheral underwater pump 20 is operated in the water storage tank 1, the water can be completely drained or released from the bottom of the water storage tank with a fixing bolt for fixing the automatic desorption apparatus 10 The advantage of being able to carry out the work is provided.

7 to 9 are the same as those described above except that the ring member 30 is further provided with the latching jaws 33 so that the discharge port 21 of the submersible pump 20, which is in close contact with the automatic desorption apparatus 10, And the fluid is prevented from leaking in the inside thereof while the packing member 40 is in direct contact with the one surface of the retaining step 33. This is because the packing member 40 coupled to the ring member 30 is kept in a tightly coupled state Therefore, even if the submersible pump 20 is separated from the automatic desorption apparatus 10 in the future, it is possible to solve the problem that the underwater pump can not be separated from the automatic desorption apparatus due to corrosion.

10 and 12, the ring member 30 ', which is an embodiment of the present invention, is inserted through the connecting hole 13-2 of the flange portion 13-1 on the fastening portion 13 side, The ring member is engaged with the flange portion 13-1 in a state where the fastening bolt 60 is fastened and the O-ring 50 is inserted into the O-ring support groove 30-2 of the ring member 30 ' This is because the guide hook 23 is fastened to the fastening portion 13 by lifting and lowering the submersible pump 20 as described above so that the discharge port 21 side of the submerged pump 20 is connected to the inlet / Is not brought into contact with the ring member 30 ', but is in contact with the ring member 30'.

This can prevent abrasion and corrosion of the inlet side of the automatic defroster apparatus due to the operation of the submersible pump 20 and can be prevented from occurring at the interconnection points of the submerged pumps from the automatic desorption apparatus by only replacing the ring member and the O- It is easy to perform the separation operation which can not be easily solved, so that the replacement and repair of the underwater pump can be easily performed and the replacement operation can be performed within a range that does not affect the operation of the underwater pump in the water tank.

That is, since the water pump is easily replaced, the present invention does not require a separate water storage tank as in the prior art, and it is possible to solve the cumbersome problem of storing and storing the wastewater and stormwater.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, Various modifications and variations may be made thereto by those skilled in the art to which the present invention pertains.

Accordingly, the spirit of the present invention should not be construed as being limited to the embodiments described, and all of the equivalents or equivalents of the claims, as well as the following claims, belong to the scope of the present invention .

10: Automatic detachment device 12: Guide bar
13: fastening portion 13a:
13-1: flange portion 13-2: connecting hole
13b: Counter groove 13c: Pin hole
20: submersible pump 21: outlet
22: Guide 23: Guide hook
30, 30 ': ring member 30-1: fastening groove
30-2: O-ring support groove 31:
32: engaging jaw 33: engaging jaw
40: packing member 50: O-ring
60: fastening bolt P: fixing pin

Claims (4)

A guide 22 is provided at one side of the submerged pump 20 so as to be guided in a guide bar 12 vertically installed in an automatic desorption apparatus 10 provided with a drain pipe 11, The guide hook 23 is provided at one side of the discharge port of the submersible pump so that the inlet 13a of the submersible pump 13 and the discharge port 21 of the submersible pump 20 are connected to each other,
A counter groove 13 is formed at an inner diameter front end of the inlet 13a of the automatic detachment apparatus 10 and a pin hole 13c is formed through the counter groove 13b from the outside, A ring member 30 having a through hole 31 coinciding with the pin hole 13c is inserted into the groove 13b together with the packing member 40 into the counter groove 13b and the pin hole 31a of the inlet hole 13a 13c are provided with a structure in which the fixing pin P is inserted into the pin hole 31 of the ring member 30 to support the ring member 30 and is engaged with the discharge port 21 side of the submerged pump 20 Wherein the pump has a semi-permanent lifetime.
The method according to claim 1,
Wherein the ring member (30) is made of a metal material and a synthetic resin material free from corrosion and has a coupling step (32) for guiding and coupling a ring-shaped packing member (40) on one surface thereof. Automatic pump desorption device.
The method according to claim 1,
The ring member 33 is further formed with an engagement step 33 which is hooked on the outer side of the inlet 13a and one side of the engagement step 33 is connected to the outlet 21 of the underwater pump 20 ) Of the submersible pump (1).
A guide 22 is provided at one side of the submerged pump 20 so as to be guided in a guide bar 12 vertically installed in an automatic desorption apparatus 10 provided with a drain pipe 11, The guide hook 23 is provided at one side of the discharge port of the submersible pump so that the inlet 13a of the submersible pump 13 and the discharge port 21 of the submersible pump 20 are connected to each other,
A flange portion 13-1 having a plurality of connection holes 13-2 is provided on the side of the fastening portion 13, And a ring member 30 'having an O-ring support groove 13-2 for inserting and supporting an O-ring 50 hermetically sealed to the flange portion is formed on one surface of the coupling groove 30-2, Is fixed to the side of the discharge port (21) of the submersible pump (20) by means of a structure that is fixed as a fastening bolt (60).
KR1020150059760A 2015-04-28 2015-04-28 Automatic discharge connection of submersible pump having semi-permanent life KR101779657B1 (en)

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KR101779657B1 KR101779657B1 (en) 2017-09-19

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102045678B1 (en) * 2018-06-28 2019-12-02 양선희 Automatic detachable device for submersible pump with leak prevention function
KR102257348B1 (en) * 2020-12-01 2021-05-26 고일영 Pump desorption device with excellent separation prevention effect

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4502156B2 (en) * 2000-03-23 2010-07-14 株式会社鶴見製作所 Desorption surface of detachable submersible pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102045678B1 (en) * 2018-06-28 2019-12-02 양선희 Automatic detachable device for submersible pump with leak prevention function
KR102257348B1 (en) * 2020-12-01 2021-05-26 고일영 Pump desorption device with excellent separation prevention effect

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