WO2018080107A1 - Coupleur de motopompe - Google Patents

Coupleur de motopompe Download PDF

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Publication number
WO2018080107A1
WO2018080107A1 PCT/KR2017/011588 KR2017011588W WO2018080107A1 WO 2018080107 A1 WO2018080107 A1 WO 2018080107A1 KR 2017011588 W KR2017011588 W KR 2017011588W WO 2018080107 A1 WO2018080107 A1 WO 2018080107A1
Authority
WO
WIPO (PCT)
Prior art keywords
motor
pump
locking bolt
shaft
tightening
Prior art date
Application number
PCT/KR2017/011588
Other languages
English (en)
Korean (ko)
Inventor
이석형
Original Assignee
주식회사 강산산업
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 강산산업 filed Critical 주식회사 강산산업
Publication of WO2018080107A1 publication Critical patent/WO2018080107A1/fr

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Classifications

    • 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
    • F04D13/021—Units comprising pumps and their driving means containing a coupling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans

Definitions

  • the present invention relates to a motor pump coupler for connecting a motor rotation shaft and a pump rotation shaft, and more particularly, to a motor pump coupler having a structure in which the motor rotation shaft and the pump rotation shaft can be automatically aligned in a connecting process.
  • Pumps are generally provided with impellers for fluid transfer, and motors for rotating the impellers. Therefore, in order for the rotational kinetic energy of the motor rotation shaft to be transmitted to the pump rotation shaft, a separate coupling or bracket may be installed between the motor and the pump, or both the coupling and the bracket may be installed.
  • the motor 100 may be fitted with an outer diameter D of the drive shaft 210 of the hydraulic pump 200 and a protrusion height H of the key 211 assembled at one outer circumference thereof.
  • the connecting shaft groove 111 is provided with a key groove 112 at the tip of the output shaft 110 is fitted to each other, the bearing bracket 130 of the motor 100 and the bearing bracket 230 of the hydraulic pump 200 is A connecting support hole 510 which is assembled with a fastening member such as a screw or a bolt, respectively, in the spacing ring 500 interposed therebetween, and each of the shafts 110 and 210 passes through the center of the spacing ring 500.
  • both the bearing bracket should protrude outward from the motor and the pump for precise shaft alignment of the motor and the pump, and the coupling holes that can be bolted to each bracket should be formed, and for the maintenance of the motor or the pump.
  • the bolts In order to separate or combine the motor and the pump, a problem arises that the bolts must be loosened or tightened.
  • the present invention is to improve the problems of the prior art, and can be used in a general-purpose motor and pump, while also easily connecting the motor rotation shaft and the pump rotation shaft, and at the same time the alignment process of the motor rotation shaft and the pump rotation shaft is made automatically To provide a motor pump coupler.
  • Motor pump coupler for achieving this object is a cylindrical tube, the screw coupling portion is formed in a certain section of the outer peripheral surface along the longitudinal direction, the gripping portion that can be gripped by a hand or a tool in the adjacent section of the screw coupling portion is formed
  • the inner diameter is elastically reduced due to the decrease in the length of the long hole by the external tightening, and the tightening portion is formed to gradually reduce the outer diameter and the inner diameter toward the end, and the tightening portion is coupled to the lock bolt end according to the coupling of the fastening head and the locking bolt.
  • Motor shaft or pump shaft can be fixed to the hollow of tightening part by inserting and tightening It consists of a resilient clamp.
  • the locking bolts are formed one by one on both sides of the gripping portion, and two elastic clamps are provided so that one elastic clamp is coupled to one screw coupling portion, and one of the two elastic clamps is coupled to the motor shaft. And the remaining elastic clamp is coupled to the pump shaft by the motor shaft and the pump shaft is fixedly connected.
  • the screw coupling portions on both sides of the locking bolt are formed in opposite directions to each other, and the two elastic clamps are formed to have opposite threads on the inner circumferential surface of the fastening head. By rotating in one direction, both the locking bolt and the screw coupling portion of both sides of the locking bolt can be engaged at the same time.
  • the direction in which the gripping portion rotates to couple the locking bolt and the elastic clamp, and the rotation direction of the motor rotating shaft and the pump rotating shaft respectively coupled to the two elastic clamps are opposite to each other.
  • the inner diameter of the locking bolt is gradually reduced from the end toward the center.
  • the reduction rate of the inner diameter of the locking bolt is equal to the reduction rate of the outer diameter of the tightening part when the tightening part is elastically contracted so that the motor rotating shaft or the pump rotating shaft is fixed inside the tightening part.
  • the front of the motor is inserted into the pump shaft, the motor inside the rotor directly rotates the pump shaft, the pump is driven, the locking bolt is formed on one side of the gripping portion screw coupling portion and the other side is assembled to the motor front,
  • a fixed tube having a concentric cross section surrounding the periphery of the pump shaft is attached, and a bearing is assembled to the outer peripheral surface of the fixed tube, and the other side of the grip unit is assembled with the bearing to rotate together, and one elastic clamp is provided.
  • the fastening head constituting the elastic clamp is coupled to the screw coupling portion and the fastening portion inserted into the fastening head is coupled to the pump rotation shaft so that the locking bolt and the elastic clamp rotate together with the pump rotation shaft.
  • the motor pump coupler according to the present invention can be used in a general-purpose motor and pump, but also has an effect that the motor rotation shaft and the pump rotation shaft can be aligned automatically at the same time as the connection process and the motor rotation shaft and the pump rotation shaft.
  • FIG. 2 is a side view of the coupling of the first embodiment of the present invention
  • FIG. 3 is an exploded view of FIG.
  • FIG. 5 is a side view of the locking bolt according to the first embodiment
  • 6a to 7b is a conceptual diagram of the coupling according to the embodiment of the internal locking bolt
  • FIG. 8 is a perspective view showing the relationship between the locking bolt rotation direction and the coupling direction
  • FIG. 10 is an exploded view of FIG. 9;
  • the present invention is a device for aligning the shaft between the motor 10 and the pump 20 at the same time to combine the rotary shaft for power transmission between the motor 10 and the pump 20, it can be represented in two embodiments. Therefore, hereinafter, common features of the two embodiments will be briefly described, and then each embodiment will be described one by one.
  • the motor pump coupler according to the present invention is composed of the locking bolts 100 and 150 and the elastic clamp 200 in common in both embodiments of FIGS. 2 to 8 and 9 to 11.
  • Locking bolts (100, 150) is a cylindrical tube, the screw coupling portion (120, 170) is formed in a predetermined section on the outer circumferential surface along the longitudinal direction, the holding portion 110, 160 that can be gripped by a hand or a tool in the adjacent section of the screw coupling portion (120, 170) ) Is formed.
  • the elastic clamp 200 is a nut-shaped member that is coupled to the ends of the locking bolts 100 and 150, and an inner circumferential thread 221 is formed to be assembled with the screw coupling parts 120 and 170, and inserted into the coupling head 220.
  • a hollow member As a hollow member, a plurality of long holes 211 and 212 are formed at regular intervals along the longitudinal direction, and the width of the long holes 211 and 212 is reduced by external tightening, thereby decreasing the inner diameter elastically and gradually decreasing the outer diameter and the inner diameter toward the ends.
  • the fastening part 210 is inserted into the locking bolt (100, 150) end and tightened in accordance with the coupling of the fastening head 220 and the locking bolt (100,150) in the hollow of the fastening part 210
  • the motor rotating shaft 11 or the pump rotating shaft 21 can be fixed.
  • the motor rotating shaft 11 or the pump rotating shaft 21 is fixed to the tightening unit 210 in the state of being finally inserted into the tightening unit 210, and is fastened with the tightening unit 210 as the motor rotating shaft 11 is rotated.
  • the locking bolts 100 and 150 coupled to the head 220 and the fastening head 220 are rotated together.
  • the locking bolt center lines and the elastic clamp center lines coincide with each other as the center line C, and thus, the rotation shaft of the motor is rotated by the locking bolts 100 and 150.
  • the screw coupling parts 120 are formed at both sides of the gripping part 110 in the locking bolt 100, and the elastic clamp 200 is the number of the screw coupling parts 120. In accordance with the two are provided are coupled to both sides of the lock bolt 100, respectively one.
  • the elastic clamp 200 includes a fastening head 220 and a fastening part 210 inserted into the fastening head 220 as described above, and the fastening part 210 is provided at both ends as described below. Increasingly, the cross-sectional diameter is reduced. Therefore, when the tightening portion 210 is pressed from the outside, both ends of the tightening portion 210 are elastically reduced while pressing the outer circumferential surfaces of the motors or the pump shafts 11 and 21 to be engaged.
  • a circular bottleneck section 213 is formed at a predetermined position of the outer circumferential surface of the tightening part 210, and a locking protrusion 222 is formed to protrude from the inner circumferential surface of the fastening head 220, and thus, the locking protrusion 222 is formed.
  • the locking bolt 100, the elastic clamp 200 is coupled to both ends of the locking bolt 100, the motor rotating shaft 11 and the pump rotating shaft coupled to the elastic clamp 200 ( Since the centers of the 21 are all disposed on one straight line, the motor 10 and the pump 20 are automatically aligned when the motor 10 and the pump 20 are coupled to the coupler according to the present invention. . Therefore, in addition to the operation or means for connecting the motor 10 and the pump 20, there is no need for an additional mechanism for the alignment of the motor 10 and the pump 20, and no separate alignment is necessary.
  • the operation sequence for connecting the motor 10 and the pump 20 with the coupler according to the present invention, first, the rotation shaft of any one of the pump or the motor is inserted into any one of the two elastic clamps 200 and then the locking bolt One end of the 100 is screwed with the elastic clamp 200 to fix the rotating shaft of any one of the motor 10 and the pump 20 together with the locking bolt 100. Thereafter, the rotation shaft of any one of the motor 10 and the pump 20 is inserted into the other one of the two elastic clamps 200, and then the other elastic clamps 200 are screwed to the other end of the locking bolt 100. Let's do it. As a result, the motor rotation shaft 11 and the pump rotation shaft 21 are aligned and completed simultaneously with only two screw couplings.
  • the screw coupling parts 120 at both sides of the gripping part 110 are formed symmetrically with respect to the gripping part 110. Therefore, if there is no gripping portion 110, if there is a nut coupled to the right screw direction along the clockwise direction from one side, the direction of rotation must be changed after passing the section when there is a gripping portion so that it can escape to the completely opposite end.
  • gripping parts 110 are formed to be symmetrical to both sides of the screw coupling part 120, even if all of the threads 221 of the inner circumferential surface of the fastening head 220 constituting the elastic clamp 200 are free from any of both sides of the gripping part 110. Even when combined in one, the same can be combined.
  • the combining order may be made from the left side or the right side in FIG. 8, the combining may be performed sequentially from one side.
  • the elastic clamp 200 and the locking bolt 100 are screwed together, there is a risk that the screw coupling will loosen while the motor rotating shaft 11 and the pump rotating shaft 21 are rotated, and as the screw coupling is loosened, the motor rotating shaft 11 will be loosened.
  • the alignment of the pump rotation shaft 21 with each other may be finely shifted. If the coupling of the elastic clamp 200 and the locking bolt 100 is loosened in the process of using the motor 10 and the pump 20, the coupling between the elastic clamp 200 and the locking bolt 100 should be checked and retightened in the middle of use. It may take maintenance time and effort.
  • the elastic clamp 200 located on the left side in FIG. 8 is connected to the lock bolt 100.
  • the combined rotational direction is also formed in the A direction. That is, the rotation direction of the elastic clamp 200 when the rotation direction of the motor rotation shaft 11 and the elastic clamp 200 into which the motor rotation shaft 11 is inserted is coupled to the lock bolt 100 is formed to be the same.
  • the pump rotating shaft 21 is connected to the internal impeller of the pump, so the impeller (not shown) and the impeller (not shown) may be stopped until the rotational force of the motor rotating shaft 11 becomes greater than a predetermined size.
  • the pump rotating shaft 21 connected to the impeller and the locking bolt 100 connected to the pump rotating shaft 21 are not rotated. Therefore, before being rotated from the impeller to the locking bolt 100, the force to be rotated in the direction in which the coupling with the locking bolt 100 becomes harder acts on the elastic clamp 200 that is rotated together with the motor rotating shaft 11.
  • the locking bolt 100 receives such a force, the rotational force acts in a direction in which the coupling between the locking bolt 100 and the elastic clamp 200 connected to the pump rotation shaft 21 is more rigid.
  • the inside of the lock bolt 100 is hollow as shown in Figure 6a to 7b.
  • the fastening part 210 forming the elastic clamp 200 may be contracted in the lock bolt 100, and may have two types as shown in FIGS. 6A and 6B and 7A and 7B.
  • the hollow inside the lock bolt 100 is formed in a straight line, and the outer circumferential surface of the tightening unit 210 is caught at the end of the lock bolt 100 as shown in FIG. 6A, wherein the outer circumferential surface of the tightening unit 210 and the lock bolt are fixed.
  • P ' point where the inner end meets P as shown in Fig. 6a and the outer peripheral surface of the tightening part at P point is P '
  • P' point enters into the locking bolt 100 while P 'is engaged as shown in Fig. 6b.
  • the outer diameter of the point is reduced. Therefore, the motor rotating shaft 11 inserted into the tightening unit 210 is tightly fixed to the inner peripheral surface of the end of the tightening unit 210.
  • the hollow inside the lock bolt 100 decreases toward the center of the lock bolt 100, and in this case, the reduction ratio of the inner diameter of the lock bolt 100 is elastically contracted by the tightening unit 210. It is preferable that the rotation shaft 11 coincides with the outer diameter reduction rate of the tightening unit 210 in a state fixed in the tightening unit 210.
  • the locking bolt 150 has a screw coupling 170 formed on one side thereof, and the opposite end portion of the locking bolt 150 formed with the screw coupling 170 is rotatable on the output side of the motor 10.
  • the output side of the motor 10 will be referred to as the front of the motor 10.
  • the first characteristic of the second embodiment is a rotor 17 which is rotated inside the motor 10 immediately opposite the end of the locking bolt 150 toward the screw 170. Is coupled to the front is that the rotor 17 and the locking bolt 150 is rotated together.
  • the second feature of the second embodiment is that the motor shaft 11 is removed. Accordingly, the pump 10 is driven by the pump rotation shaft 21 inserted into the center of the front face of the motor 10 and the motor rotor 17 by rotating the pump rotation shaft 21 in the motor 10 and the pump 20.
  • a bearing 190 is provided between the front of the rotor 17 and the opposite end of the locking bolt 150 so that the bearing 190 is located at the opposite end of the locking bolt 150.
  • the rotor 17 and the locking bolt 150 rotate together by being coupled to the locking bolt 150 so as to be rotatably supported in the stator (not shown) of the motor 10.
  • the elastic clamp 200 is coupled to the screw coupling portion 170 formed in the pump-side direction of the locking bolt 150, and the pump rotating shaft 21 is inserted into and fixed to the elastic clamp 200 to thereby rotate the motor rotor 17. The rotation of the pump 20 is driven.
  • the second embodiment it is preferable to shorten the length of the pump rotating shaft 21 to less than half as compared with the first embodiment.
  • the pump rotation shaft 21 is formed to have a short length of the pump rotation shaft 21 when the pump rotation shaft 21 is fixed by the locking bolt 150 and the elastic clamp 200, the straightness is further improved and noise is significantly reduced.
  • the shaft 10 is simply coupled while being axially aligned between the motor 10 and the pump 20.
  • fastening head 221 inner peripheral surface thread

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

Abstract

La présente invention concerne un coupleur de motopompe, ce coupleur présentant un agencement dans lequel un axe de rotation de moteur et un axe de rotation de pompe peuvent être automatiquement alignés, en particulier pendant un processus de raccordement. Ce coupleur de motopompe comprend un boulon de verrouillage et un dispositif de serrage élastique. Le boulon de verrouillage, qui est un tuyau cylindrique, comprend : une partie de couplage filetée qui est formée dans une section prédéterminée d'une surface circonférentielle externe le long du sens longitudinal ; et une partie de préhension qui est formée dans une section adjacente à la partie de couplage filetée et qui peut être saisie manuellement ou par un outil. Le dispositif de serrage élastique comprend : une tête de fixation qui est un élément en forme d'écrou couplé à une extrémité du boulon de verrouillage, et comporte un filetage de surface circonférentielle interne à des fins d'assemblage avec la partie de couplage filetée ; et une partie de resserrement qui est un élément creux inséré dans la tête de fixation, et comprend une pluralité de trous allongés formés à intervalles fixes le long du sens longitudinal, la partie de resserrement étant formée de telle sorte que le diamètre interne diminue élastiquement lorsque la largeur des trous allongés est réduite par resserrement externe, et les diamètres externe et interne diminuent progressivement vers les extrémités, l'insertion et le resserrement de la partie de resserrement dans l'extrémité du boulon de verrouillage par couplage de la tête de fixation et du boulon de verrouillage permettant la fixation de l'axe de rotation de moteur ou de l'axe de rotation de pompe sur une partie creuse de la partie de resserrement. Par conséquent, la présente invention est destinée à fournir un coupleur de motopompe dont l'action est de pouvoir raccorder de manière pratique l'axe de rotation de moteur et l'axe de rotation de pompe, tout en alignant automatiquement l'axe de rotation du moteur et l'axe de rotation de la pompe en même temps que s'effectue le processus de raccordement.
PCT/KR2017/011588 2016-10-26 2017-10-19 Coupleur de motopompe WO2018080107A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2016-0140354 2016-10-26
KR1020160140354A KR101762632B1 (ko) 2016-10-26 2016-10-26 모터 펌프 커플러

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WO2018080107A1 true WO2018080107A1 (fr) 2018-05-03

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PCT/KR2017/011588 WO2018080107A1 (fr) 2016-10-26 2017-10-19 Coupleur de motopompe

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WO (1) WO2018080107A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117318384A (zh) * 2023-11-30 2023-12-29 烟台鑫海矿业研究设计有限公司 一种浮选加药计量泵联轴结构

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102287010B1 (ko) * 2020-02-17 2021-08-06 수광산업 주식회사 수평배치형 모터직결펌프

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002021870A (ja) * 2000-07-07 2002-01-23 Daishowa Seiki Co Ltd 締付ナット
US20050084327A1 (en) * 2003-09-25 2005-04-21 David Chelchowski Collet for pipe coupling
JP2006002569A (ja) * 2004-06-15 2006-01-05 Kawasaki Precision Machinery Ltd ポンプユニットおよびそのハウジング
US20130147189A1 (en) * 2011-11-02 2013-06-13 Tylok International, Inc. Face seal conduit fitting including subassembly
WO2014120781A1 (fr) * 2013-01-29 2014-08-07 Schlumberger Technology Corporation Accouplement par pince pour arbres d'électropompe immergée

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002021870A (ja) * 2000-07-07 2002-01-23 Daishowa Seiki Co Ltd 締付ナット
US20050084327A1 (en) * 2003-09-25 2005-04-21 David Chelchowski Collet for pipe coupling
JP2006002569A (ja) * 2004-06-15 2006-01-05 Kawasaki Precision Machinery Ltd ポンプユニットおよびそのハウジング
US20130147189A1 (en) * 2011-11-02 2013-06-13 Tylok International, Inc. Face seal conduit fitting including subassembly
WO2014120781A1 (fr) * 2013-01-29 2014-08-07 Schlumberger Technology Corporation Accouplement par pince pour arbres d'électropompe immergée

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117318384A (zh) * 2023-11-30 2023-12-29 烟台鑫海矿业研究设计有限公司 一种浮选加药计量泵联轴结构
CN117318384B (zh) * 2023-11-30 2024-02-13 烟台鑫海矿业研究设计有限公司 一种浮选加药计量泵联轴结构

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Publication number Publication date
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