JP2007138859A - Pump guide mechanism of submerged pump - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a pump guide mechanism of a submerged pump which facilitates attachment or detachment of an intermediate guide pipe which requires maintenance or the like. <P>SOLUTION: Intermediate guide holders 20 are vertically spaced apart on a drainage pipe 3 which is arranged in a vertically extending manner. Each intermediate guide holder 20 includes an upper support arm 25 having an upward fitting boss portion 29a and a lower support arm 26 having a lower fitting boss portion 30a. The intermediate guide holder 20 includes a support substrate 21 attached to the drainage pipe 3. The upper support arm 25 and the lower support arm 26 can be freely attached to or detached from the support substrate 21. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a pump guide mechanism capable of guiding a submersible pump along a vertical direction in a water storage tank such as a manhole and automatically installing the pump, and in particular, a deep tank that needs to be used by joining guide pipes together. It is related with the pump guide mechanism of the submersible pump suitable for.

  As a guide pipe used for a pump guide mechanism in this type of submersible pump equipment, a regular pipe material manufactured to a predetermined length is generally employed. And when the depth of a tank is deep, the system which joins and uses the number of such guide pipes suitably was employ | adopted (for example, refer patent document 1 and patent document 2).

  And in water storage tanks, such as a deep manhole, as shown in FIG. 4 thru | or FIG. 7, the connection pipe 2 is installed in the bottom part in the water storage tank 1, and the outlet part 2a which is one end opening parts of the connection pipe 2 The drain pipe 3 arranged in a vertically extending manner has a structure in which a lower end portion of the drain pipe 3 is connected in a liquid-tight manner, and an intermediate for supporting the guide pipe 4 made of stainless steel or the like to the drain pipe 3. A plurality of guide holders 5 are mounted apart in the vertical direction. In addition, the drain pipe 3 is also made into the structure joined suitably, in order to ensure desired length by flange joining etc.

  Each intermediate guide holder 5 includes a support substrate 7 that is detachably attached to and fixed to the drain pipe 3 via a U bolt 6, and a fixed plate 8 for fixing the fixed state on the side face of the support substrate 7 on the drain pipe 3 side. Is fixed by welding or the like, and a support arm 9 for supporting the guide pipe 4 is fixed to the opposite side surface in an extending shape by welding or the like.

  The support arm 9 includes an arm base portion 9a fixed to the support substrate 7 and a bifurcated portion 9b fixed to the distal end portion of the arm base portion 9a and having an appropriate interval at the distal end portion, and an inner surface of the distal end portion of the bifurcated portion 9b. On the side, boss struts 10 each having a predetermined interval and having a vertical axis are fixed by welding or the like. The boss strut 10 has an outer diameter substantially the same as the outer diameter of the guide pipe 4, and the upper and lower portions of the boss strut 10 are slightly smaller than the inner diameter of the guide pipe 4. It is set as the structure with which the direction fitting boss | hub part 10a and the downward fitting boss | hub part 10b were each provided.

  And between each of the upward fitting bosses 11 protruding upward provided on the connecting pipe 2 side and the downward fitting bosses 10b of the boss struts 10 in the lowermost intermediate guide holder 5 The upper and lower ends of the guide pipe 4 are relatively fitted and supported, and the boss struts in the upper guide bosses 10a of the boss struts 10 and the intermediate guide holder 5 disposed on the upper side thereof. The upper end portion and the lower end portion of the guide pipe 4 are relatively fitted and supported across each of the ten downward fitting boss portions 10b.

  Further, in the same manner, the guide pipe 4 is supported sequentially between the upper and lower intermediate guide holders 5, and the upper fitting boss portions 10 a of the respective boss struts 10 in the uppermost intermediate guide holder 5 and the upper opening of the water storage tank 1. The upper end portion and the lower end portion of the guide pipe 4 across the downwardly projecting downward fitting boss portions 14 respectively provided in the extending end portions of the upper guide holder 13 mounted on the peripheral portion of the portion 12 Are respectively fitted and supported, and a pump guide mechanism for guiding the submersible pump 15 along the vertical direction is constituted by the guide pipes 4 and the intermediate guide holders 5.

  On the discharge port portion 15a side of the submersible pump 15, a slider 16 that is slidably guided in the vertical direction along each guide pipe 4 of the pump guide mechanism is provided. The slider 16 of the pump 15 is guided between the guide pipes 4 from above the pump guide mechanism, and gradually descends under the guidance of the slider 16 along the guide pipes 4 and the like. The discharge port portion 15a of the pump 15 and the introduction port portion 2b which is the other end opening portion of the connecting pipe 2 are automatically connected in a liquid-tight manner.

Japanese Utility Model Publication No. 57-193999 Japanese Patent Laid-Open No. 9-4044

  However, according to the above-described conventional pump guide mechanism, it is a system in which the lower guide pipe 4 is sequentially joined in the upward direction, and the intermediate guide pipe 4 located on the lower side is damaged. When maintenance is necessary, it is necessary to remove the upper guide holder 13 sequentially from the top, remove each U-bolt 6 and remove each intermediate guide holder 5. It takes a lot of work time to reach the position, and it is necessary to remove a part that does not require maintenance once and then attach it again, which makes the maintenance work troublesome.

  SUMMARY OF THE INVENTION In view of the above problems, an object of the present invention is to provide a pump guide mechanism for a submersible pump that can easily attach and detach an intermediate guide pipe that requires maintenance or the like.

  The technical means for solving the above-mentioned problem is attached to a drain pipe connected to one end opening of a connecting pipe installed at the bottom of the tank and arranged in a vertically extending manner so as to be separated vertically. A plurality of intermediate guide holders each having an upward fitting boss portion and a downward fitting boss portion provided in a protruding shape in the vertical direction at the extended end portion of the support arm, and the upper intermediate guide holder A guide pipe in which the downward fitting boss and the upward fitting boss of the lower intermediate guide holder are inserted and supported at the upper end and the lower end, respectively, and the upward fitting of the uppermost intermediate guide holder A guide pipe that is supported by being inserted into the upper end portion and the lower end portion, respectively, and a downwardly projecting downward fitting boss portion provided in an upper guide holder disposed at the upper portion of the tank. The downward direction of the lower intermediate guide holder A fitting pipe and a guide pipe which is supported by being inserted into and supported at the upper end and the lower end, respectively, and an upwardly fitting upward fitting boss provided on the installed connecting pipe side, In a pump guide mechanism of a submersible pump that guides a submersible pump installed in a vertical direction through each guide holder and each guide pipe and automatically connects to the other end opening of the connecting pipe The intermediate guide holder includes a separate upper support arm provided with the upward fitting boss portion and a lower support arm provided with the downward fitting boss portion, and each of the intermediate guide holders is independently provided on the drain pipe side. It is in the point which can be mounted | worn freely.

  The intermediate guide holder may include a support substrate attached to the drain pipe, and the upper support arm and the lower support arm may be detachably attached to the support substrate.

  As described above, according to the pump guide mechanism of the submersible pump of the present invention, the intermediate guide holder includes the upper support arm having the upward fitting boss portion and the lower support arm having the downward fitting boss portion. Since it is provided as a separate unit and can be attached independently to the drain pipe side, maintenance of the intermediate guide pipe supported between the upper and lower intermediate guide holders attached to the drain pipe in the pump guide mechanism In the above, by removing the lower support arm in the upper intermediate guide holder and the upper support arm in the lower intermediate guide holder from the drain pipe side, only the target intermediate guide pipe can be attached and detached. The attachment / detachment work can be easily performed. Therefore, there is an advantage that the maintenance work of the intermediate guide pipe requiring maintenance can be easily performed.

  Further, if the intermediate guide holder includes a support substrate attached to the drain pipe, and the upper support arm and the lower support arm are detachable from the support substrate, the upper support to the support substrate is provided. By attaching / detaching the arm or the lower support arm, there is an advantage that an intermediate guide pipe attaching / detaching operation requiring maintenance or the like can be easily performed.

  Furthermore, the upper support arm and the lower support arm are attached to and detached from the support substrate attached to the drain pipe, and there is no need to remove the support substrate. The alignment of the direction can be easily performed, and from this point, there is an advantage that the maintenance work can be easily performed.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The same components as those in the conventional structure are denoted by the same reference numerals, and the description thereof is omitted.

  That is, as shown in FIGS. 1 to 3, also in this embodiment, the intermediate guide holder 20 in the pump guide mechanism is a rectangular flat plate-like support substrate 21 and the support substrate 21 is connected to the drain pipe 3 as described above. A U-bolt 22 for mounting and a nut 23 to be screwed to the U-bolt 22 are provided, and a fixing plate 24 for stabilizing the fixed state with respect to the drain pipe 3 is appropriately fixed to one side surface of the support substrate 21 by welding or the like.

  Further, the portion constituted by the support arm 9 is a so-called separate structure of the upper support arm 25 and the lower support arm 26 that are divided into two vertically so that the upper and lower support arms 25, 26 are Mounting boards 25a and 26a that are detachably attached and fixed to the other side surfaces of the supporting board 21 by bolts 27 and nuts 28, arm bases 25b and 26b that are fixed to the mounting boards 25a and 26a by welding, etc. It is composed of bifurcated portions 25c and 26c that are fixed to the distal end portions of the base portions 25b and 26b and that are appropriately spaced at the distal end portions.

  The boss struts 29 and 30 having a vertical axis with a predetermined interval are fixed to the inner surfaces of the front end portions of the bifurcated portions 25c and 26c by welding or the like. Each of the boss struts 29 and 30 has an outer diameter substantially the same as the outer diameter of the guide pipe 4, and the upper portion of each boss strut 29 in the upper support arm 25 is slightly smaller than the inner diameter of the guide pipe 4. The upper fitting bosses 29a having a small diameter are respectively provided, and the lower supporting arm 26 has a downward fitting that is slightly smaller in diameter than the inner diameter of the guide pipe 4 at the lower portion of each boss column 30. It is set as the structure provided with the joint boss | hub part 30a, respectively.

  In the state where the upper and lower support arms 25 and 26 are attached and fixed to the support substrate 21, the upper and lower boss struts 29 and 30 are configured such that their axes coincide with each other in the vertical direction. In the present embodiment, the upper and lower support arms 25 and 26 and the upper and lower boss columns 29 and 30 are overlapped with each other in the vertical direction in a state where the support arms 25 and 26 are attached and fixed to the support substrate 21. The structure is in a state.

  The present embodiment is configured as described above, and when assembling the pump guide mechanism, it is only necessary to stand up from the lower guide pipe 4 in an upward direction, as in the prior art. That is, each of the upward fitting bosses 11 protruding upward provided on the connecting pipe 2 side and each of the downward fitting bosses 30a provided on the lower support arm 26 in the lowermost intermediate guide holder 20 is provided. The upper end portion and the lower end portion of the guide pipe 4 are relatively fitted and supported across each other, and each upward fitting boss portion 29a provided on the upper support arm 25 in the intermediate guide holder 20 and the upper side thereof are supported. The upper end portion and the lower end portion of the guide pipe 4 are relatively fitted and supported between each of the downward fitting boss portions 30a provided on the lower support arm 26 in the arranged intermediate guide holder 20. ing.

  Further, similarly, the guide pipe 4 is supported sequentially between the upper and lower intermediate guide holders 20, and each of the upward fitting boss portions 29 a provided on the upper support arm 25 in the uppermost intermediate guide holder 20 and the water storage tank 1. The upper end portion of the guide pipe 4 extends between each of the downwardly projecting downward fitting boss portions 14 provided on the extended end portion of the upper guide holder 13 mounted on the peripheral edge portion of the upper opening portion 12. The pump guide mechanism for guiding the submersible pump 15 in the vertical direction is constituted by the guide pipes 4 and the boss struts 29 and 30 of the intermediate guide holders 20. The

  As described above, a slider 16 is provided on the discharge port side of the submersible pump 15 so as to slide in the vertical direction along the guide pipes 4 of the pump guide mechanism. The slider 16 of the lowered submersible pump 15 is guided between the guide pipes 4 from above the pump guide mechanism, and is finally lowered by being guided by the slider 16 along the guide pipes 4 and the like. The discharge port portion of the submersible pump 15 and the introduction port portion that is the other end opening portion of the connecting pipe 2 are automatically connected in a liquid-tight manner at the lower end position.

  In the present embodiment, when maintenance is required due to damage or the like of the intermediate guide pipe 4 positioned between the upper and lower adjacent intermediate guide holders 20, as shown in FIG. By removing the lower support arm 26 and the upper support arm 25 of the lower intermediate guide holder 20 from the support substrate 21 attached to the drainage pipe 3, only the target intermediate guide pipe 4 is laterally moved. Therefore, it is not necessary to remove the other intermediate guide holder 20 and the guide pipe 4 at all, and the intended guide pipe 4 can be easily attached and detached easily. Therefore, the maintenance work of the intermediate guide pipe 4 requiring maintenance can be easily performed.

  Further, since the intermediate guide holder 20 has a structure in which the upper support arm 25 and the lower support arm 26 are attached to and detached from the support substrate 21 attached to the drain pipe 3, it is not necessary to remove the support substrate 21 at all. Since the mounting position of the support substrate 21 does not change and is positioned at a predetermined position, the vertical alignment of the guide pipe 4 when the upper and lower support arms 25 and 26 and the guide pipe 4 are mounted at the original positions again is performed. From this point, there is an advantage that the maintenance work can be easily performed.

  Furthermore, if the guide pipe 4 is an intermediate guide pipe 4 positioned between the upper and lower intermediate guide holders 20, the guide pipe 4 at any position in the vertical direction can be easily attached and detached, and is convenient.

  In the above embodiment, the upper support arm 25 and the lower support arm 26 in the intermediate guide holder 20 are detachable from the support substrate 21. The lower support arm 26 can be directly detachable from the drain pipe 3 side, and is not limited to the shape and structure of the embodiment.

  Further, the slider 16 provided in the submersible pump 15 is slidably guided along the inner side of each guide pipe 4 etc. arranged in parallel, but the slider is provided along the outer side of each guide pipe 4 etc. 16 may be a structure in which sliding is guided, and is not limited to the structure of the embodiment.

  Furthermore, although the structure where the upward fitting boss portion 11 is provided on the side portion of the connecting pipe 2 is shown, the upward fitting boss portion 11 is provided on the support base 2c side of the connecting tube 2. Also good.

It is a side view concerning the embodiment of the present invention. It is a partial exploded perspective view of an intermediate guide holder. It is explanatory drawing of the attachment or detachment operation | work of an intermediate guide pipe. It is a partial explanatory view as a conventional example. It is a side view as a prior art example. It is the VI-VI line arrow directional view of FIG. It is a top view of an intermediate guide holder.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Water storage tank 2 Connecting pipe 3 Drain pipe 4 Guide pipe 11 Upward fitting boss part 13 Upper guide holder 14 Downward fitting boss part 15 Submersible pump 16 Slider 20 Intermediate guide holder 21 Support substrate 22 U bolt 25 Upper support arm 26 Lower support arm 29 Boss strut 29a Upward fitting boss 30 Boss strut 30a Downward fitting boss

Claims (2)

It is connected to one end opening of a connecting pipe installed at the bottom of the tank and attached to a drain pipe arranged in a vertically extending manner and spaced apart in the vertical direction and at the extending end of its support arm. A plurality of intermediate guide holders each having an upward fitting boss portion and a downward fitting boss portion provided so as to protrude in the vertical direction, and the downward fitting boss portion and the lower intermediate guide holder of the upper intermediate guide holder The upper fitting boss of the guide pipe is inserted into and supported by the upper end and the lower end, respectively, and the upper fitting boss of the uppermost intermediate guide holder and the upper part of the tank are disposed. A downwardly projecting downward fitting boss provided on the upper guide holder is supported by being inserted into an upper end and a lower end, respectively, and the downward fitting boss of the lowermost intermediate guide holder On the side of the connecting pipe And a supported guide pipe and upward protruded upward fitting boss portion which is is fitted into upper and lower ends, respectively,
A submersible pump that guides a submersible pump installed in the tank along the vertical direction via each guide holder and each guide pipe and automatically connects to the other end opening of the connecting pipe. In the guide mechanism,
The intermediate guide holder is separately provided with an upper support arm provided with the upward fitting boss portion and a lower support arm provided with the downward fitting boss portion, and independently on the drain pipe side. A pump guide mechanism for a submersible pump, wherein the submersible pump is attachable. In the pump guide mechanism of the submersible pump according to claim 1,
The intermediate guide holder includes a support substrate attached to the drain pipe, and the upper support arm and the lower support arm are detachable from the support substrate, respectively. Pump guide mechanism.

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