CN110748576A - Conveniently-disassembled coupling for vertical pipeline pump - Google Patents

Conveniently-disassembled coupling for vertical pipeline pump Download PDF

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Publication number
CN110748576A
CN110748576A CN201911036465.1A CN201911036465A CN110748576A CN 110748576 A CN110748576 A CN 110748576A CN 201911036465 A CN201911036465 A CN 201911036465A CN 110748576 A CN110748576 A CN 110748576A
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CN
China
Prior art keywords
coupling
screw
connecting flanges
elastic
middle section
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201911036465.1A
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Chinese (zh)
Inventor
王小锋
李家虎
万仁伟
李晓斌
李新
张卫
童杰
丁康
常显锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XIANG YANG WU ER WU PUMP INDUSTRY Co Ltd
Original Assignee
XIANG YANG WU ER WU PUMP INDUSTRY Co Ltd
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 XIANG YANG WU ER WU PUMP INDUSTRY Co Ltd filed Critical XIANG YANG WU ER WU PUMP INDUSTRY Co Ltd
Priority to CN201911036465.1A priority Critical patent/CN110748576A/en
Publication of CN110748576A publication Critical patent/CN110748576A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/50Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
    • F16D3/56Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising elastic metal lamellae, elastic rods, or the like, e.g. arranged radially or parallel to the axis, the members being shear-loaded collectively by the total load
    • F16D3/58Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising elastic metal lamellae, elastic rods, or the like, e.g. arranged radially or parallel to the axis, the members being shear-loaded collectively by the total load the intermediate members being made of rubber or like material

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

Abstract

The invention discloses a conveniently-disassembled coupling for a vertical pipeline pump, which comprises two half couplings sleeved at the connecting end of a driving shaft and the connecting end of a driven shaft respectively, wherein the inner wall of each half coupling is connected with a connected transmission shaft through a flat key respectively, and the butt joint ends of the two half couplings are provided with connecting flanges; the middle joint is used for connecting the two half couplings; the two ends of the middle section are both connecting flanges, the connecting flanges at the two ends of the middle section are respectively fixed on the connecting flanges at the butt joint ends of the two half couplers through screws, and an elastic sleeve is arranged between each connecting screw and the screw hole of each connecting flange. The pump coupling has the advantages of simple structure and convenient assembly and disassembly, the elastic sleeve is filled with rubber between the inner metal ring and the outer metal ring, and the service life of the coupling is long.

Description

Conveniently-disassembled coupling for vertical pipeline pump
Technical Field
The invention relates to a conveniently-disassembled coupling for a vertical pipeline pump, and belongs to the technical field of mechanical transmission.
Background
The vertical pipeline pump is a centrifugal pump capable of conveying clear liquid or conveying turbid liquid containing a small amount of solid particles, and is widely applied to industries such as petrochemical industry, papermaking, thermal power generation, seawater desalination, industrial water circulation, cooling tower water supply, diesel oil conveying, regional centralized heat supply, regional centralized cooling and the like. The shaft coupling is the main driving medium of vertical tubing pump, and the shaft coupling of traditional vertical tubing pump includes that two overlap respectively at the half-couplings of driving shaft link and driven end axle link, and every half-coupling is the cylinder adapter sleeve, and every half-coupling inner wall passes through the parallel key with the transmission shaft that links respectively and is connected, and the butt joint end of two half-couplings is equipped with flange, and the flange of two half-couplings passes through the screw nut to be fixed, realizes the transmission of driving shaft and driven shaft. In the long-term rotation process of the driving shaft and the driven shaft, radial vibration can inevitably occur, so that shearing force is formed on the screws of the two connecting flanges of the fixed coupling, the screws and the nuts are loosened, and the radial vibration effect is aggravated. In order to solve the problem, a rubber elastic sleeve is arranged between each connecting screw and the screw hole of the connecting flange so as to eliminate the radial vibration effect; however, the rubber elastic sleeve is easy to damage and needs to be replaced frequently. In addition, the coupler of the traditional vertical pipeline pump directly connects the driving shaft connecting end and the driven shaft connecting end, and is inconvenient to operate when needing to be disassembled and assembled.
Disclosure of Invention
The invention aims to solve the problems that a rubber elastic sleeve is easy to damage, the pump is inconvenient to disassemble and assemble and the like in the coupling structure of the traditional vertical pipeline pump, and provides a conveniently-disassembled coupling for the vertical pipeline pump.
The purpose of the invention is realized by the following technical scheme:
the invention discloses a conveniently-disassembled coupling for a vertical pipeline pump, which comprises two half couplings sleeved on a driving shaft connecting end and a driven shaft connecting end respectively, wherein the inner wall of each half coupling is connected with a connected transmission shaft through a flat key respectively, and the butt joint end of the two half couplings is provided with a connecting flange; the middle joint is used for connecting the two half couplings; the two ends of the middle section are both connecting flanges, the connecting flanges at the two ends of the middle section are respectively fixed on the connecting flanges at the butt joint ends of the two half couplers through screws, and an elastic sleeve is arranged between each connecting screw and the screw hole of each connecting flange.
The two cylindrical supporting sleeves of the elastic sleeve are made of metal materials.
The elastic interlayer of the elastic sleeve is made of rubber materials.
Elastic interlayer flushes with the axial both ends of outer layer support cover in the elastic sleeve, and elastic interlayer is good at inner layer support cover axial both ends, and the shearing effect of screw to elastic interlayer tip when avoiding radial tremble.
The butt joint surface of the two half-coupling connecting flanges is provided with a threaded blind hole;
screw through holes matched with the two half-coupling butt joint end connecting flanges are respectively processed on the connecting flanges at the two ends of the middle section, and an elastic sleeve mounting groove is processed at the outer end of each screw through hole; and the outer ends of the screw through holes of the connecting flanges at the two ends of the middle section are provided with elastic sleeves, and each screw penetrates through the screw through hole and the elastic sleeve on the connecting flange at the two ends of the middle section and is screwed into the threaded blind hole on the connecting flange at the butt joint end of the half coupling at the same side.
The driving shaft is connected with the sleeved half couplers through radial screws, and the driven shaft is connected with the sleeved half couplers through radial screws.
Has the advantages that:
the coupling and the corresponding transmission shaft are fixed on the shaft through radial screws, so that loose matching can be adopted between the driving end and the driven end half-couplings and the shaft, and the driving end and the driven end half-couplings are easy to disassemble and assemble.
The coupler adopts the lengthened middle section, the middle section is firstly removed during disassembly, so that a larger axial space is generated in the axial direction, the pump set can be overhauled and maintained without moving a motor and a pipeline, and the coupler is convenient to install and disassemble and easy to maintain.
The elastic sleeve of the coupler adopts the special design of filling rubber between the inner metal ring and the outer metal ring, avoids direct contact of a rubber part with connecting pieces such as screws and flanges, can better protect the rubber part, prolongs the service life of the coupler, simultaneously enables the stress of the rubber part to be more uniform, can better absorb vibration, and compensates installation deviation.
Drawings
FIG. 1 is a schematic structural view of a coupling for a pump according to the present invention;
FIG. 2 is a schematic structural diagram of an elastic sleeve in the coupling for a pump according to the present invention;
wherein: 1-driving end half coupling, 2-first radial screw, 3-driven end half coupling, 4-second radial screw, 5-elastic sleeve and 6-middle section; 7-a screw; 51-outer support sleeve; 52-an elastic interlayer; 53-inner support jacket.
Detailed Description
The invention is further described with reference to the following figures and examples:
examples
As shown in fig. 1, the detachable coupling for a vertical pipe pump of the present invention comprises a driving end half coupling 1, a driven end half coupling 2, an intermediate joint 6, an elastic sleeve 5 and a screw 7;
the driving end half coupling 1 and the driven end half coupling 2 are cylindrical connecting sleeves, the driving end half coupling 1 is sleeved at the butt joint end of the driving shaft, and the driving end half coupling 1 is connected with the driving shaft through a flat key; the driven end half coupling 2 is sleeved at the butt joint end of the driven shaft, and the driven end half coupling 2 is connected with the driven shaft through a flat key;
the butt joint end of the driving end half coupling 1 and the driven end half coupling 2 is provided with a connecting flange, and the butt joint surfaces of the connecting flange of the driving end half coupling 1 and the connecting flange of the driven end half coupling 2 are provided with threaded blind holes;
both ends of the middle section 6 are provided with connecting flanges, screw through holes matched with the connecting flanges of the butt ends of the two half couplers are respectively processed on the connecting flanges at both ends of the middle section 6, and elastic sleeve mounting grooves are processed at the outer ends of the screw through holes; elastic sleeves 5 are installed at the outer ends of the screw through holes of the connecting flanges at the two ends of the middle section 6, and screws 7 penetrate through the screw through holes and the elastic sleeves 5 on the connecting flanges at the two ends of the middle section 6 and are screwed into threaded blind holes on the connecting flanges at the butt ends of the half couplers at the same side.
The driving shaft is connected with the driving end half coupling 1 through a first radial screw 2, and the driven shaft is connected with the driven end half coupling 2 through a second radial screw 4.
As shown in fig. 2, the structure of the elastic sleeve 5 is schematically illustrated; the elastic sleeve 5 comprises two cylindrical supporting sleeves arranged inside and outside, an inner supporting sleeve 53 and an outer supporting sleeve 51 respectively, and an elastic interlayer 52 adhered between the two cylindrical metal supporting sleeves.
The two cylindrical supporting sleeves of the elastic sleeve 5 are made of metal materials.
The elastic interlayer 52 of the elastic sleeve 5 is made of rubber material.
The elastic interlayer 52 in the elastic sleeve 5 is flush with the two axial ends of the outer layer supporting sleeve 51, and the two axial ends of the inner layer supporting sleeve 53 are longer than the elastic interlayer 52, so that the shearing effect of the screw 3 on the end part of the elastic interlayer 52 in radial vibration is avoided.

Claims (6)

1. A kind of vertical pipeline pump uses the easy-to-detach type coupling, including two half-couplings of the connecting end of driving shaft and driven shaft separately, the inner wall of each half-coupling is connected with drive shaft connected through the flat key separately, the butt joint end of two half-couplings has connecting flanges; the method is characterized in that: the middle joint is used for connecting the two half couplings; the two ends of the middle section are both connecting flanges, the connecting flanges at the two ends of the middle section are respectively fixed on the connecting flanges at the butt joint ends of the two half couplers through screws, and an elastic sleeve is arranged between each connecting screw and the screw hole of each connecting flange.
2. The detachable coupling for a vertical pipe pump as claimed in claim 1, wherein: the two cylindrical supporting sleeves of the elastic sleeve are made of metal materials.
3. The detachable coupling for a vertical pipe pump as claimed in claim 1, wherein: the elastic interlayer of the elastic sleeve is made of rubber materials.
4. The detachable coupling for a vertical pipe pump as claimed in claim 1, wherein: the elastic interlayer in the elastic sleeve is flush with the two axial ends of the outer layer supporting sleeve, and the two axial ends of the inner layer supporting sleeve are longer than the elastic interlayer.
5. The detachable coupling for vertical pipe pump according to any one of claims 1 to 4, wherein: the butt joint surface of the two half-coupling connecting flanges is provided with a threaded blind hole; screw through holes matched with the two half-coupling butt joint end connecting flanges are respectively processed on the connecting flanges at the two ends of the middle section, and an elastic sleeve mounting groove is processed at the outer end of each screw through hole; and the outer ends of the screw through holes of the connecting flanges at the two ends of the middle section are provided with elastic sleeves, and each screw penetrates through the screw through hole and the elastic sleeve on the connecting flange at the two ends of the middle section and is screwed into the threaded blind hole on the connecting flange at the butt joint end of the half coupling at the same side.
6. The detachable coupling for vertical pipe pump according to any one of claims 1 to 4, wherein: the driving shaft is connected with the sleeved half couplers through radial screws, and the driven shaft is connected with the sleeved half couplers through radial screws.
CN201911036465.1A 2019-10-28 2019-10-28 Conveniently-disassembled coupling for vertical pipeline pump Pending CN110748576A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911036465.1A CN110748576A (en) 2019-10-28 2019-10-28 Conveniently-disassembled coupling for vertical pipeline pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911036465.1A CN110748576A (en) 2019-10-28 2019-10-28 Conveniently-disassembled coupling for vertical pipeline pump

Publications (1)

Publication Number Publication Date
CN110748576A true CN110748576A (en) 2020-02-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911036465.1A Pending CN110748576A (en) 2019-10-28 2019-10-28 Conveniently-disassembled coupling for vertical pipeline pump

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CN (1) CN110748576A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2311116A (en) * 1996-03-12 1997-09-17 Mayr Christian Gmbh & Co Kg Torsionally rigid, flexurally elastic shaft coupling
US20040097289A1 (en) * 2002-11-13 2004-05-20 A. Friedr.Flender Gmbh Elastic coupling
CN204153000U (en) * 2014-08-07 2015-02-11 黑龙江建龙钢铁有限公司 High compensation rate elastic dowel pin shaft coupling transmission shaft component
CN109595267A (en) * 2018-12-20 2019-04-09 丹东隆强科技有限责任公司 A kind of insulating coupling
CN109854636A (en) * 2018-12-19 2019-06-07 陕西科技大学 A kind of elastic coupling

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2311116A (en) * 1996-03-12 1997-09-17 Mayr Christian Gmbh & Co Kg Torsionally rigid, flexurally elastic shaft coupling
US20040097289A1 (en) * 2002-11-13 2004-05-20 A. Friedr.Flender Gmbh Elastic coupling
CN204153000U (en) * 2014-08-07 2015-02-11 黑龙江建龙钢铁有限公司 High compensation rate elastic dowel pin shaft coupling transmission shaft component
CN109854636A (en) * 2018-12-19 2019-06-07 陕西科技大学 A kind of elastic coupling
CN109595267A (en) * 2018-12-20 2019-04-09 丹东隆强科技有限责任公司 A kind of insulating coupling

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Application publication date: 20200204