JP2007138608A - Pump guide mechanism for submerged pump - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a pump guide mechanism for a submerged pump facilitating attaching/detaching work even when a guide pipe requiring maintenance or the like is at the lowermost end. <P>SOLUTION: The guide pipe 20 is formed as a divided type guide pipe comprising an upper guide pipe 21 and a lower guide pipe 22 divided in a vertical direction, and the upper end of the lower guide pipe 22 is provided with a fit-in shaft member 23 fitted in a vertically slidable manner into the lower end of the upper guide pipe 21. In the contracted state of the upper guide pipe 21 and lower guide pipe 22, the fit-in shaft member 23 is detachably insertable between an upper downward fitting boss part 10b and a lower upward fitting boss part 11. In the extended state of the upper guide pipe 21 and lower guide pipe 22, the downward fitting boss part 10b is fitted into the upper end of the upper guide pipe 21, while the upward fitting boss part 11 is fitted into the lower end of the lower guide pipe 22, and a spacer body 24 is provided to be detachably mounted to the fit-in shaft member 23. <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 deeper water storage tanks, such as a manhole, as shown in FIG. 8 thru | or FIG. 11, 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 an upward direction, and maintenance is performed due to damage to the guide pipe 4 located at the lowermost end. When 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, so that the target guide pipe 4 position is reached. It takes a lot of work time to arrive, and it is necessary to once remove parts that do not require maintenance, and then attach them again, making maintenance work troublesome.

  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 be easily attached and detached even when the guide pipe requiring maintenance or the like is at the lowermost end.

  The technical means for solving the above-mentioned problem is connected to one end opening of a connecting pipe installed at the bottom of the tank, and is attached to a drain pipe arranged in a vertically extending manner, and its support arm An intermediate guide holder having an upward fitting boss portion and a downward fitting boss portion provided in a projecting shape in the vertical direction at the extended end of the intermediate fitting, the upward fitting boss portion of the intermediate guide holder, and the tank A downwardly projecting downward fitting boss portion provided in an upper guide holder disposed on the upper portion of the guide pipe and supported by being inserted into an upper end portion and a lower end portion, respectively, and the downward direction of the intermediate guide holder A fitting pipe and a guide pipe which is supported by being fitted into an upper end portion and a lower end portion, respectively, and an upward fitting boss portion protruding upward provided on the installed connecting pipe side; The submersible pump installed in the In a pump guide mechanism of a submersible pump that guides along a vertical direction through a holder and each guide pipe and automatically connects to the other end opening of the connecting pipe, the guide pipe is divided vertically. A split-type guide pipe having an upper guide pipe and a lower guide pipe, and fitted into one of opposing portions of the upper guide pipe and the lower guide pipe that are slidable in the vertical direction on the other. A shaft member is provided, and in a contracted state of the inserted upper guide pipe and the lower guide pipe, the inserted shaft member is interposed between the upper and lower downward fitting boss portions. In addition to being able to be inserted and removed, when the insertion shaft member is in the extended state of the inserted upper guide pipe and lower guide pipe, the lower fitting boss is inserted into the upper end of the upper guide pipe. The upper fitting boss is inserted into the lower end of the lower guide pipe, and in this extended state, the spacer is detachably fitted between the upper guide pipe and the lower guide pipe and is attached to the fitting shaft member. The body is equipped.

  The drain pipe is mounted with a plurality of intermediate guide holders spaced apart in the vertical direction, and the downward fitting boss portion of the upper intermediate guide holder and the upward fitting boss portion of the lower intermediate guide holder are A structure may be adopted in which the upper end portion and the lower end portion of the divided guide pipe are inserted and supported.

  Further, the spacer body is composed of a pair of divided spacer bodies fitted to the fitting shaft member from both sides, and has the same cross-sectional shape as that of the upper guide pipe or the lower guide pipe. It is good also as a structure.

  Further, the spacer body may have a circular arc shape having a central angle larger than 180 degrees, and may be fitted and attached to the outer surface of the insertion shaft member by elastic deformation.

  As described above, according to the pump guide mechanism of the submersible pump of the present invention, the guide pipe is a split-type guide pipe having an upper guide pipe and a lower guide pipe that are divided into upper and lower parts. One of the opposing portions of the guide pipe is provided with an insertion shaft member that is slidably inserted in the vertical direction on the other, and the upper guide pipe and the lower guide pipe in which the insertion shaft member is inserted contracts. In the state, the upper and lower guide bosses can be inserted and removed between the upper and lower fitting bosses, and the upper guide pipe and the lower guide pipe into which the fitting shaft member is inserted are extended. The downward fitting boss is inserted into the upper end of the upper guide pipe, and the upward fitting boss is inserted into the lower end of the lower guide pipe. In this extended state, the upper guide pipe and the lower guide pipe Detachable between each other Since the spacer body that is fitted to the insertion shaft member is provided, by removing the spacer body from the insertion shaft member, the upper guide pipe and the lower guide pipe expand and contract with each other under the guidance of the insertion shaft member. It is adjustable and can be detached from the upper and lower downward fitting bosses and the upward fitting bosses by being in a contracted state, and in an extended state, a spacer is provided between the upper guide pipe and the lower guide pipe. By attaching the body, it can be installed over the upper and lower downward fitting bosses and the upward fitting bosses, and only the target guide pipe can be attached and detached during maintenance of the guide pipe in the pump guide mechanism, Even the lowermost guide pipe can be easily attached and detached. Therefore, there is an advantage that maintenance work can be easily performed even if the guide pipe for which maintenance is required is at the lowermost end.

  In addition, a plurality of intermediate guide holders are mounted on the drain pipe so as to be spaced apart in the vertical direction, and the downward fitting boss portion of the upper intermediate guide holder and the upward fitting boss portion of the lower intermediate guide holder are divided guides. If the pipe is supported by being inserted into the upper end and lower end of the pipe, the attaching / detaching operation can be easily performed even with the guide pipe supported between the intermediate guide holders.

  Further, the spacer body is composed of a pair of divided spacer bodies fitted in a fitting manner from both sides to the fitting shaft member, and has a structure having the same cross-sectional shape as that of the upper guide pipe or the lower guide pipe. For example, the outer peripheral surfaces of the upper guide pipe, the lower guide pipe, and the spacer body are smoothly continuous in the vertical direction, so that there is an advantage that the vertical guidance of the submersible pump can be performed smoothly.

  Further, if the spacer body has an arc shape with a central angle larger than 180 degrees and is fitted and attached to the outer surface of the insertion shaft member by elastic deformation, the spacer body can be attached to and detached from the insertion shaft member. There is an advantage that can be easily done.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, a first embodiment of the 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 6, in this embodiment, the guide pipe 20 is divided into upper and lower parts, and the upper guide pipe 21 made of a cylindrical stainless material or the like having an appropriate length. And the lower guide pipe 22, and one of the opposed portions of the upper guide pipe 21 and the lower guide pipe 22 facing each other, in the present embodiment, at the upper end of the lower guide pipe 22, A cylindrical shaft 23 that is slidably fitted in the lower end portion of the upper guide pipe 21 in a vertical direction and is made of a stainless steel material having a predetermined length is provided by welding or the like.

  As shown in FIG. 4, the insertion shaft member 23 is placed in the lower end portion of the upper guide pipe 21, and is contracted between the upper guide pipe 21 and the lower guide pipe 22. The distance between the downward fitting boss portion 10b of the guide holder 5 and the upward fitting boss portion 11 on the side of the connecting pipe 2 located at the lower portion is shorter than the downward fitting boss portion 10b. A structure that can be inserted and removed from the side between the joint boss portions 11 is provided.

  Note that the guide pipe 20 supported between the lower fitting boss portion 10b and the upper fitting boss portion 10a of each intermediate guide holder 5 that is spaced apart in the vertical direction, Similarly to the above, the guide pipe 20 supported between the direction fitting boss part 14 and the upward fitting boss part 10a of the intermediate guide holder 5 is also detachable.

  Further, as shown in FIG. 6, the upper end of the upper guide pipe 21 is extended with the upper guide pipe 21 and the lower guide pipe 22 in which the insertion shaft member 23 is inserted into and extended from the lower end of the upper guide pipe 21. The downward fitting bosses 10b, 14 are fitted into the lower guide pipe 22, and the upper fitting bosses 10a, 11 are fitted into the lower end of the lower guide pipe 22. In this extended state, the upper guide pipe 21 and the lower guide pipe The spacer body 24 is detachably fitted to the insertion shaft member 23 and attached to the insertion shaft member 23.

  At this time, the spacer body 24 is made of stainless steel or the like, and as shown in FIG. 3, the spacer body 24 is composed of a pair of semicircular arc-shaped split spacer bodies 24a that are fitted to the insertion shaft member 23 from both sides, In a mounted state in which both divided spacer bodies 24a are joined to each other, the structure has the same annular cross-sectional shape as the cross-sectional shape of the upper guide pipe 21 or the lower guide pipe 22. Each divided spacer body 24a is structured to be detachably attached to the side surface of the fitting shaft member 23 by a fixing screw 25 or the like.

  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 20 in an upward direction, as in the prior art. That is, the upper end of the guide pipe 20 extends between each upwardly fitting boss portion 11 protruding upward provided on the connecting pipe 2 side and each downwardly fitting boss portion 10b of the lowermost intermediate guide holder 5. And a lower fitting boss portion 10b in the intermediate guide holder 5 arranged on the upper side and the lower fitting boss portion 10a in the intermediate guide holder 5, respectively. The upper end portion and the lower end portion of the guide pipe 20 are relatively fitted and supported across each other.

  Further, in the same manner, the guide pipe 20 is supported sequentially between the upper and lower intermediate guide holders 5, and the upper fitting bosses 10 a in the uppermost intermediate guide holder 5 and the periphery of the opening 12 at the upper part of the water storage tank 1. The upper end portion and the lower end portion of the guide pipe 20 are relatively relative to each other with the downwardly projecting downward fitting boss portions 14 respectively provided at the extended end portions of the mounted upper guide holder 13. A pump guide mechanism that guides the submersible pump 15 along the vertical direction is constituted by the guide pipes 20 and the boss struts 10 of the intermediate guide holders 5.

  As described above, the submersible pump 15 is provided with a slider 16 that is slidably guided in the vertical direction along the guide pipes 20 of the pump guide mechanism. The slider 16 of the lowered submersible pump 15 is guided between the guide pipes 20 from above the pump guide mechanism, and is finally lowered by being guided by the slider 16 along the guide pipes 20 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, by removing each divided spacer body 24a from the insertion shaft member 23, the upper guide pipe 21 and the lower guide pipe 22 can be adjusted to expand and contract with each other under the guidance of the insertion shaft member 23 to be in a contracted state. Thus, the upper and lower downward fitting bosses 10b and 14 and the upwardly fitting bosses 10a and 11 can be separated from each other. By mounting the divided spacer body 24a, the guide pipe 20 can be mounted across the upper and lower downward fitting boss portions 10b, 14 and the upward fitting boss portions 10a, 11, so that it is positioned at the lowest end in the pump guide mechanism. Even if maintenance is required due to damage to the guide pipe 20, etc., it is possible to remove the divided spacer bodies 24a. Since only the guide pipe 20 is detachable in the lateral direction, there is no need to remove any other intermediate guide holder 5 or guide pipe 20, and even the lowermost guide pipe 20 can be efficiently used as a target guide. The pipe 20 can be attached and detached easily. Therefore, there is an advantage that maintenance work can be easily performed even if the guide pipe 20 for which maintenance is required is at the lowest end.

  In addition, when maintenance is required due to damage to the intermediate guide pipe 20 positioned between the upper and lower adjacent intermediate guide holders 5, the target guide pipe 20 can be easily attached and detached as described above. It is possible and convenient.

  Further, since each divided spacer body 24a of the spacer body 24 has the same cross-sectional shape as that of the upper guide pipe 21 or the lower guide pipe 22, the upper guide pipe 21 is mounted in the mounted state. Since the outer peripheral surface by the pipe 21, the lower guide pipe 22 and the spacer body 24 is in a smooth continuous state in the vertical direction, there is an advantage that the vertical direction guidance of the submersible pump 15 can be performed smoothly.

  FIG. 7 shows a second embodiment, and the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.

  That is, the spacer body 24 in the present embodiment is made of a metal material having elasticity that can be flexibly deformed, such as a stainless steel material having an arc shape whose central angle is larger than 180 degrees, and the spacer body 24 is formed on the outer surface of the fitting shaft member 23. It is set as the structure mounted | worn in the fitting form through 24 elastic deformation. At this time, the outer diameter of the spacer body 24 is configured to be substantially the same as the outer diameter of the upper guide pipe 21 and the lower guide pipe 22. Other configurations are the same as those in the first embodiment.

  Therefore, the present embodiment has the same advantages as those of the first embodiment, and the inserting and removing operation of the spacer body 24 with respect to the inserting shaft member 23 is performed by hitting the spacer body 24 with a hammer or the like. The spacer body 24 can be attached to or detached from the 23 side, and the spacer body 24 can be easily attached to and detached from the insertion shaft member 23.

  In the above embodiment, a structure in which the insertion shaft member 23 is provided on the lower guide pipe 22 side is shown, but the insertion shaft member 23 is provided at the lower end portion of the upper guide pipe 21, and the upper end of the lower guide pipe 22 is provided. The structure may be slidably fitted into the part.

  Moreover, although the structure made into the solid column shape is shown as the insertion shaft member 23, a hollow cylindrical structure may be sufficient.

  Further, the slider 16 provided in the submersible pump 15 is slidably guided along the inner side of each guide pipe 20 etc. arranged in parallel, but the slider is provided along the outer side of each guide pipe 20 etc. 16 may be a structure in which sliding is guided, and is not limited to the structure of the embodiment.

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

1 is a side view according to a first embodiment of the present invention. It is the II-II sectional view taken on the line of FIG. It is a principal part disassembled perspective view of a guide pipe. It is explanatory drawing of the attachment or detachment operation | work of a guide pipe. It is explanatory drawing of the attachment or detachment operation | work of a guide pipe. It is explanatory drawing of the attachment or detachment operation | work of a guide pipe. It is principal part sectional drawing concerning 2nd Embodiment. It is a partial explanatory view as a conventional example. It is a side view as a prior art example. It is the XX 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 Connection pipe 3 Drain pipe 5 Intermediate guide holder 9 Support arm 10 Boss support | pillar 10a Upward fitting boss part 10b Downward fitting boss part 11 Upward fitting boss part 13 Upper guide holder 14 Downward fitting boss Part 15 Submersible pump 16 Slider 20 Guide pipe 21 Upper guide pipe 22 Lower guide pipe 23 Insertion shaft member 24 Spacer body 24a Split spacer body

Claims (4)

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 projecting vertically in the extending end of its support arm. An intermediate guide holder having an upward fitting boss portion and a downward fitting boss portion, and an upper guide holder disposed at the upper portion of the tank and the upper fitting boss portion of the intermediate guide holder. A downwardly projecting downward fitting boss portion is inserted into and supported by the upper end portion and the lower end portion, and the downward fitting boss portion of the intermediate guide holder and the installed connecting pipe side And a guide pipe that is supported by being inserted into and supported at the upper end and the lower end, 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 guide pipe is a split-type guide pipe having an upper guide pipe and a lower guide pipe that are divided into upper and lower parts, and one of the opposing portions of the upper guide pipe and the lower guide pipe facing each other, A fitting shaft member that is slidably inserted in a direction, and the fitting shaft member is in a contracted state between the inserted upper guide pipe and the lower guide pipe. The insertion shaft member can be freely inserted into and removed from the fitting boss portion, and the downward fitting is performed on the upper end portion of the upper guide pipe when the inserted upper guide pipe and the lower guide pipe are extended. A boss portion is inserted, and the upper fitting boss portion is inserted into the lower end portion of the lower guide pipe. In this extended state, the upper guide pipe and the lower guide pipe are detachably fitted to each other. Attached to shaft member Pump guide mechanism of submersible pumps, wherein a spacer member that is provided. In the pump guide mechanism of the submersible pump according to claim 1,
The drain pipe is mounted with a plurality of intermediate guide holders spaced apart in the vertical direction, and the downward fitting boss portion of the upper intermediate guide holder and the upward fitting boss portion of the lower intermediate guide holder are A pump guide mechanism for a submersible pump, wherein the pump guide mechanism is inserted into and supported by an upper end portion and a lower end portion of a split guide pipe. In the pump guide mechanism of the submersible pump according to claim 1 or claim 2,
The spacer body is composed of a pair of split spacer bodies that are fitted to the fitting shaft member from both sides, and has the same cross-sectional shape as that of the upper guide pipe or the lower guide pipe. A pump guide mechanism for submersible pumps. In the pump guide mechanism of the submersible pump according to claim 1 or claim 2,
A pump guide mechanism for a submersible pump, wherein the spacer body has an arc shape having a central angle larger than 180 degrees and is fitted and attached to an outer surface of the insertion shaft member by elastic deformation.

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