WO2022110128A1 - 具有减震能力的长轴液下泵的连接结构 - Google Patents

具有减震能力的长轴液下泵的连接结构 Download PDF

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Publication number
WO2022110128A1
WO2022110128A1 PCT/CN2020/132718 CN2020132718W WO2022110128A1 WO 2022110128 A1 WO2022110128 A1 WO 2022110128A1 CN 2020132718 W CN2020132718 W CN 2020132718W WO 2022110128 A1 WO2022110128 A1 WO 2022110128A1
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Prior art keywords
long
ferrule
circular groove
pump
plug
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PCT/CN2020/132718
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English (en)
French (fr)
Inventor
丛小青
袁丹青
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镇江福泰克流体技术有限公司
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Application filed by 镇江福泰克流体技术有限公司 filed Critical 镇江福泰克流体技术有限公司
Priority to DE212020000321.1U priority Critical patent/DE212020000321U1/de
Priority to PCT/CN2020/132718 priority patent/WO2022110128A1/zh
Publication of WO2022110128A1 publication Critical patent/WO2022110128A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/20—Mounting rotors on shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/043—Shafts
    • F04D29/044—Arrangements for joining or assembling shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations

Definitions

  • the utility model belongs to the technical field of couplings, in particular to a connection structure of a long-axis submerged pump with shock absorption capability.
  • the existing long-shaft pump is suitable for conveying belt particles, high viscosity, strong acid, alkali, salt, strong oxidant and other corrosive media, and also suitable for conveying various light media such as flammable and explosive, and has corrosion resistance. Strong, non-clogging, high temperature and other characteristics.
  • the pump body needs to be installed below the ground surface, and the underground water is pumped up through the operation of the long-axis pump.
  • the vibration of the long-shaft pump is mainly the lateral left-right vibration of the pump body and the radial downward vibration.
  • the vibration generated by the long-shaft pump will not only affect the stability of the pump body itself. , reduce the working quality of the pump body, and will cause different degrees of wear to the internal structure of the long-shaft pump, which will seriously affect the service life of the long-shaft pump. Therefore, the vibration of the long-shaft pump during operation is reduced, and the long-shaft pump is damped. It is an important factor for the stable operation of the long shaft pump.
  • the purpose of the utility model is to solve the deficiencies of the existing problems, and provide a connection structure of a long-axis submerged pump with shock absorption capability, including an outer ferrule and an inner ferrule, and the upper end of the outer ferrule is provided with A first circular groove, the first circular groove is connected with the through hole on the motor drive shaft through the pin assembly on the inner wall, and the lower end of the outer ferrule is provided with a card that is connected with the inner ferrule.
  • Sleeve groove, the outer side of the ferrule groove is provided with a retaining ring, the lower end of the inner ferrule is provided with a second circular groove, and the second circular groove communicates with the impeller shaft through the pin assembly on the inner wall.
  • the holes are matched and connected, and the top of the second circular groove is provided with a spring shock-absorbing base.
  • the retaining ring is fixedly connected with the ferrule groove through the thread on the outer side of the ferrule groove.
  • the pin assemblies in the first circular groove and the second circular groove are placed on the inner wall of the circular groove in an annular array.
  • the number of the plug assemblies on the inner wall of the first circular groove is four or six, and the number of the plug assemblies on the inner wall of the second circular groove is eight.
  • the pin assembly includes a pin and an axial spring
  • a plastic protective layer is provided on the plug head of the plug.
  • the utility model discloses a connection structure of a long-axis submerged pump with shock absorption capability.
  • the connection structure reduces the axial force and the axial force that the impeller wheel shaft bears when it moves through the plug assembly and the spring shock absorption base respectively.
  • the radial force improves the working stability of the high-efficiency long-shaft pump and improves the transportation efficiency of the long-shaft pump.
  • Fig. 1 is the structural schematic diagram of the connection structure of the long-axis submerged pump with shock absorption capability
  • Fig. 2 is the structural representation of the spring damping base in Fig. 1;
  • Motor drive shaft 2. Impeller shaft 31. Outer ferrule 311. First circular groove 312. ferrule groove 32. Inner ferrule 321. Second circular groove 322. Spring damping base 33, retaining ring 34, pin assembly
  • a connection structure of a long-axis submerged pump with shock absorption capability includes an outer ferrule 31 and an inner ferrule 32, and the upper end of the outer ferrule 31 is provided with a first circle.
  • the first circular groove 311 is connected with the through hole on the motor drive shaft 1 through the pin assembly 34 on the inner wall.
  • the connected ferrule grooves 312, the outer side of the ferrule groove 312 is provided with a blocking ring 33, the blocking ring 33 is fixedly connected with the ferrule groove 312 through the thread on the outer side of the ferrule groove 312, and the lower end of the inner ferrule 32
  • a second circular groove 321 is provided, and the second circular groove 321 is connected with the through hole on the impeller wheel shaft 2 through the latch assembly 34 on the inner wall.
  • the top of the second circular groove 321 is provided with There is a spring damping base 322 .
  • the latch components 34 in the first circular groove 311 and the second circular groove 321 are placed on the inner wall of the circular groove in a circular array, wherein the latch components 34 on the inner wall of the first circular groove are arranged in a circular array.
  • the number is four or six, and the number of the plug assemblies 34 on the inner wall of the second circular groove is eight.
  • the plug assembly 34 includes a plug and an axial spring, and a plastic protective layer is provided on the plug head of the plug.

Landscapes

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

Abstract

具有减震能力的长轴液下泵的连接结构，包括外卡套和内卡套，所述的外卡套的上端设有第一圆形凹槽，所述的第一圆形凹槽通过内壁上的插销组件与电机驱动轴上的通孔配合相连，所述外卡套的下端设有与内卡套配合相连的卡套槽，卡套槽的外侧设有挡环，本连接结构分别通过插销组件和弹簧减震基座减少了叶轮轮轴运动时所承受的轴向力和径向力，提高了高效型长轴泵的工作稳定性，提高了长轴泵的运输效率。

Description

具有减震能力的长轴液下泵的连接结构 技术领域
本实用新型属于联轴技术领域，具体涉及一种具有减震能力的长轴液下泵的连接结构。
背景技术
现有的长轴泵适用于输送带颗粒、高粘度、强酸、碱、盐、强氧化剂等多种腐蚀性介质，也适用于输送易燃易爆等多种轻质性介质，具有耐腐蚀性强、无堵塞、耐高温等特点。在现有的立式长轴泵的安装过程中，需要将泵体安装在地表面以下，将地下的水通过长轴泵的工作抽上来，然而长轴泵工作的时候，由于长轴泵上的抽水泵会出现振动的情况，长轴泵工作时的振动主要是泵体横向左右振动，和径向向下的振动，长轴泵工作时产生的振动不仅会影响泵体本身工作的稳定性，降低泵体工作的质量，而且会对长轴泵内部结构造成不同程度的磨损，严重影响着长轴泵的使用寿命，因此降低长轴泵工作时的振动，对长轴泵进行减震，是长轴泵稳定工作的重要因素。
实用新型内容
本实用新型的目的是为了解决现有问题的不足，提供一种具有减震能力的长轴液下泵的连接结构，包括外卡套和内卡套，所述的外卡套的上端设有第一圆形凹槽，所述的第一圆形凹槽通过内壁上的插销组件与电机驱动轴上的通孔配合相连，所述外卡套的下端设有与内卡套配合相连的卡套槽，卡套槽的外侧设有挡环，所述内卡套的下端设有第二圆形凹槽，所述的第二圆形凹槽通过内壁上的插销组件与叶轮轮轴上的通孔配合相连，所述的第二圆形凹槽顶部设有弹簧减震基 座。
更进一步地，挡环通过卡套槽外侧的螺纹线与卡套槽固定相连。
更进一步地，第一圆形凹槽和第二圆形凹槽内的插销组件呈环形阵列放置在圆形凹槽内壁上。
更进一步地，第一圆形凹槽内壁上插销组件的数量为四个或者六个，第二圆形凹槽内壁上的插销组件的数量为八个。
更进一步地，插销组件包括插销和轴向弹簧，
更进一步地，插销的插销头上设有塑胶保护层。
有益效果：本实用新型公布了一种具有减震能力的长轴液下泵的连接结构，本连接结构分别通过插销组件和弹簧减震基座减少了叶轮轮轴运动时所承受的轴向力和径向力，提高了高效型长轴泵的工作稳定性，提高了长轴泵的运输效率。
附图说明
图1是具有减震能力的长轴液下泵的连接结构的结构示意图；
图2是图1中弹簧减震基座的结构示意图；
图中：1、电机驱动轴 2、叶轮轮轴 31、外卡套 311、第一圆形凹槽 312、卡套槽 32、内卡套 321、第二圆形凹槽 322、弹簧减震基座 33、挡环 34、插销组件
具体实施方案
为了加深对本实用新型的理解，下面结合实施例和附图对本实用新型作进一步详细详述，该实施例仅用于解释本实用新型，并不构成对本实用新型保护范围的限定。
如图1和图2所示，一种具有减震能力的长轴液下泵的连接结构， 包括外卡套31和内卡套32，所述的外卡套31的上端设有第一圆形凹槽311，所述的第一圆形凹槽311通过内壁上的插销组件34与电机驱动轴1上的通孔配合相连，所述外卡套31的下端设有与内卡套31配合相连的卡套槽312，卡套槽312的外侧设有挡环33，所述的挡环33通过卡套槽312外侧的螺纹线与卡套槽312固定相连，所述内卡套32的下端设有第二圆形凹槽321，所述的第二圆形凹槽321通过内壁上的插销组件34与叶轮轮轴2上的通孔配合相连，所述的第二圆形凹槽321顶部设有弹簧减震基座322。
于本实施例中，第一圆形凹槽311和第二圆形凹槽321内的插销组件34呈环形阵列放置在圆形凹槽内壁上，其中第一圆形凹槽内壁上插销组件34的数量为四个或者六个，第二圆形凹槽内壁上的插销组件34的数量为八个。
于本实施例中，所述的插销组件34包括插销和轴向弹簧，插销的插销头上设有塑胶保护层。
以上所述仅为本实用新型的较佳实施例而已，并不用以限制本实用新型，凡在本实用新型的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本实用新型的保护范围之内。

Claims (6)

  1. 具有减震能力的长轴液下泵的连接结构，其特征在于，包括外卡套和内卡套，所述的外卡套的上端设有第一圆形凹槽，所述的第一圆形凹槽通过内壁上的插销组件与电机驱动轴上的通孔配合相连，所述外卡套的下端设有与内卡套配合相连的卡套槽，卡套槽的外侧设有挡环，所述内卡套的下端设有第二圆形凹槽，所述的第二圆形凹槽通过内壁上的插销组件与叶轮轮轴上的通孔配合相连，所述的第二圆形凹槽顶部设有弹簧减震基座。
  2. 根据权利要求1所述的具有减震能力的长轴液下泵的连接结构，其特征在于，挡环通过卡套槽外侧的螺纹线与卡套槽固定相连。
  3. 根据权利要求1所述的具有减震能力的长轴液下泵的连接结构，其特征在于，第一圆形凹槽和第二圆形凹槽内的插销组件呈环形阵列放置在圆形凹槽内壁上。
  4. 根据权利要求3所述的具有减震能力的长轴液下泵的连接结构，其特征在于，第一圆形凹槽内壁上插销组件的数量为四个或者六个，第二圆形凹槽内壁上的插销组件的数量为八个。
  5. 根据权利要求1所述的具有减震能力的长轴液下泵的连接结构，其特征在于，插销组件包括插销和轴向弹簧，所述的轴向弹簧。
  6. 根据权利要求5所述的具有减震能力的长轴液下泵的连接结构，其特征在于，插销的插销头上设有塑胶保护层。
PCT/CN2020/132718 2020-11-30 2020-11-30 具有减震能力的长轴液下泵的连接结构 WO2022110128A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE212020000321.1U DE212020000321U1 (de) 2020-11-30 2020-11-30 Verbindungsstruktur für Langachsen-Tauchpumpen mit Stoßdämpfungsfähigkeit
PCT/CN2020/132718 WO2022110128A1 (zh) 2020-11-30 2020-11-30 具有减震能力的长轴液下泵的连接结构

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2511811Y (zh) * 2002-01-08 2002-09-18 姚庆余 立式长轴泵传动轴部件及其连接装置
CN200940585Y (zh) * 2006-08-31 2007-08-29 上海连成（集团）有限公司 一种立式多级离心泵的联轴器装置
CN204628100U (zh) * 2015-05-13 2015-09-09 湖南南方长河泵业有限公司 一种用于长轴泵的减震防摆连接装置
CN207568873U (zh) * 2017-10-17 2018-07-03 天津振达泵业有限公司 一种干式安装潜水排污泵
CN209800344U (zh) * 2019-03-27 2019-12-17 河池学院 一种长轴泵泵轴联接装置
US20200063541A1 (en) * 2018-08-22 2020-02-27 Baker Hughes Oilfield Operations Llc One-Way Clutch Drive Shaft Coupling In Submersible Well Pump Assembly

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2511811Y (zh) * 2002-01-08 2002-09-18 姚庆余 立式长轴泵传动轴部件及其连接装置
CN200940585Y (zh) * 2006-08-31 2007-08-29 上海连成（集团）有限公司 一种立式多级离心泵的联轴器装置
CN204628100U (zh) * 2015-05-13 2015-09-09 湖南南方长河泵业有限公司 一种用于长轴泵的减震防摆连接装置
CN207568873U (zh) * 2017-10-17 2018-07-03 天津振达泵业有限公司 一种干式安装潜水排污泵
US20200063541A1 (en) * 2018-08-22 2020-02-27 Baker Hughes Oilfield Operations Llc One-Way Clutch Drive Shaft Coupling In Submersible Well Pump Assembly
CN209800344U (zh) * 2019-03-27 2019-12-17 河池学院 一种长轴泵泵轴联接装置

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