WO2017181692A1 - High-speed diaphragm coupling - Google Patents

High-speed diaphragm coupling Download PDF

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Publication number
WO2017181692A1
WO2017181692A1 PCT/CN2016/108788 CN2016108788W WO2017181692A1 WO 2017181692 A1 WO2017181692 A1 WO 2017181692A1 CN 2016108788 W CN2016108788 W CN 2016108788W WO 2017181692 A1 WO2017181692 A1 WO 2017181692A1
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Prior art keywords
diaphragm
coupling
speed
coupler
diaphragm coupling
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PCT/CN2016/108788
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French (fr)
Chinese (zh)
Inventor
王召景
陈春凤
谢晨明
袁文甲
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镇江索达联轴器有限公司
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Publication of WO2017181692A1 publication Critical patent/WO2017181692A1/en

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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
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/053—Shafts
    • F04D29/054—Arrangements for joining or assembling shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/50—Yielding 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
    • F16D3/56—Yielding 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

Definitions

  • the invention relates to a high speed diaphragm coupling.
  • High-speed diaphragm couplings have good adaptability, especially the elastic deformation of metal diaphragms to compensate the axial, angular and radial relative displacement between the axes, improve the working conditions of the unit, and become a high-speed rotating machine.
  • a commonly used form of join In the high-speed rotating unit, the distortion of the diaphragm causes poor concentricity, which seriously affects the shaft vibration stability of the unit.
  • the stiffness of the diaphragm coupling is poor, the transverse vibration frequency of the coupling is close to the rotor speed, and the manufacturing precision of the coupling is poor. An unbalanced amount can cause abnormal vibration of the rotor.
  • the present invention provides a high-speed diaphragm coupling, the purpose of which is to improve the vibration of the coupling during operation and improve the working efficiency by improving the structure of the high-speed diaphragm coupling.
  • a high-speed diaphragm coupling comprising a half-connector 1 and a half-connector 2, wherein the half-connector is connected with a transmission on one side, and the fan is connected to a fan on one side thereof
  • the semi-coupler is connected to the test adapter plate by bolts, and the test adapter plate is connected with an intermediate joint by a fixing assembly, the fixing assembly comprising a bolt, a crown bushing, a metal diaphragm and a tapered washer,
  • the test adapter and the intermediate section are bolted together, the bolts passing through the crown bushing, the metal diaphragm and the tapered washer in sequence, and the intermediate section is connected to the half joint 2 via the fixing assembly.
  • the half connector 2 is provided with a blocking pad, and the half connector 2 is provided with a tapered connecting cavity.
  • the tapered connecting cavity is formed by the outer inward oblique contraction of the half joint and the outer diameter of the tapered connecting cavity is larger than the inner diameter.
  • the intermediate section comprises two intermediate steel pipes, and the intermediate steel pipe is fixed by a flange connection.
  • an adjustment gasket is disposed between the two intermediate steel pipes.
  • the utility model provides a high-speed diaphragm coupling, which has the beneficial effects that: in the invention, the fixing component is arranged according to the length of the pin bolt, and the installation mode of the positive and negative rotation is adopted, and the transverse vibration vibration type diaphragm coupling is adjusted.
  • the lateral vibration ensures accurate positioning and concentricity, avoiding the lateral vibration characteristics of the coupling close to the rotational speed of the rotor system, and can eliminate the problem of unstable vibration of the rotor at high speed;
  • the two connecting chambers of the semi-connector are tapered chambers, tapered Connection cavity and spindle cone
  • the contact area between the faces is large, ensuring good contact, no looseness under high speed, no distortion of the diaphragm after installation, ensuring that the total center of mass of the bolted joint falls in the middle position of the diaphragm coupling diaphragm group, further reducing Vibration problems during operation of the coupling.
  • Figure 1 is a schematic view showing the structure of the present invention
  • Figure 2 is a partial enlarged view of the fixing assembly of Figure 1.
  • FIG. 1 This embodiment is shown in FIG. 1 and FIG. 2,
  • a high-speed diaphragm coupling includes a half-connector 1 and a half-connector 2, wherein the half-connector has a transmission connected to one side thereof, and a fan is connected to one side of the half-connector , the semi-coupler 1 is connected to the test adapter plate 2 by bolts, and the test adapter plate 2 is connected with the intermediate joint 8 through the fixing assembly 11, the fixing assembly includes a bolt 3, The crown bushing 4, the metal diaphragm 5 and the tapered washer 6, the test adapter plate 2 and the intermediate joint 8 are fixed together by bolts 3, which in turn pass through the crown bushing 4, the metal diaphragm 5 and a tapered washer 6, the intermediate joint 8 is connected with a half joint 2 through a fixing assembly 11, the half joint 20 is provided with a baffle block 9, and the half joint 2 is provided with a conical connecting cavity 7, the conical connecting cavity 7 is formed by the inwardly oblique contraction of the outer end of the semi-connector 2 and the outer diameter of the conical connecting cavity
  • the invention provides a high-speed diaphragm coupling.
  • the fixing assembly is arranged according to the pin length of the pin bolt, and the installation mode between the positive and negative directions is adopted, and the transverse vibration of the transverse vibration vibrating diaphragm coupling is adjusted to ensure accurate positioning.
  • the high concentricity avoids the lateral vibration characteristics of the coupling close to the rotational speed of the rotor system, which can eliminate the problem of unstable vibration of the rotor at high speed;
  • the two connecting chambers of the semi-connector are a tapered cavity, a tapered connecting cavity and a spindle cone
  • the contact area between the faces is large, ensuring good contact, no looseness under high speed, no distortion of the diaphragm after installation, ensuring that the total center of mass of the bolted joint falls in the middle position of the diaphragm coupling diaphragm group, further reducing Vibration problems during operation of the coupling.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Testing Of Balance (AREA)
  • Joints Allowing Movement (AREA)

Abstract

A high-speed diaphragm coupling is provided. High-speed diaphragm couplings are mounted in alternate directions by using a fixing assembly (11) according to a pin length of a cotter bolt (3). Lateral vibration of a lateral vibration diaphragm coupling is adjusted to ensure accurate positioning and high concentricity to prevent lateral vibration characteristics of a coupling from being close to a rotation frequency of a rotor system, thereby eliminating the problem of unstable vibration of a rotor in high-speed operation. A connection cavity (7) of a second half-coupling (10) is cone-shaped. A contact area between the cone-shaped connection cavity (7) and a shaft cone surface is large, ensuring good contact and preventing looseness during high-speed operation. After installation, a diaphragm (5) will not undergo distortion, and it is ensured that a total centroid of a bolt connection piece falls in the center of a diaphragm coupling diaphragm group, thereby further reducing vibration of the coupling during operation.

Description

高速膜片联轴器High speed diaphragm coupling 技术领域Technical field
本发明涉及一种高速膜片联轴器。The invention relates to a high speed diaphragm coupling.
背景技术Background technique
随着工业透平风机大型化、高速化的发展，高速旋转机械间的联接问题越来越受到行业的关注。高速膜片联轴器由于具有良好的适应性，尤其是利用金属膜片的弹性变形来补偿轴线间的轴向、角向和径向相对位移，改善机组的工作条件，成为高速旋转机械之间联接常用的一种形式。在高速旋转的机组中，膜片扭曲变形造成同心较差，严重影响机组轴振稳定性膜片联轴器刚度差、联轴器横向振动频率接近转子转速频率、联轴器制造精度差并存在不平衡量会导致转子振动异常。With the development of large-scale and high-speed industrial turbines, the connection problem between high-speed rotating machinery has attracted more and more attention from the industry. High-speed diaphragm couplings have good adaptability, especially the elastic deformation of metal diaphragms to compensate the axial, angular and radial relative displacement between the axes, improve the working conditions of the unit, and become a high-speed rotating machine. A commonly used form of join. In the high-speed rotating unit, the distortion of the diaphragm causes poor concentricity, which seriously affects the shaft vibration stability of the unit. The stiffness of the diaphragm coupling is poor, the transverse vibration frequency of the coupling is close to the rotor speed, and the manufacturing precision of the coupling is poor. An unbalanced amount can cause abnormal vibration of the rotor.
发明内容Summary of the invention
为解决上述技术问题，本发明提供了一种高速膜片联轴器，其目的是，通过改进高速膜片联轴器的结构，降低联轴器在运转工作时候的震动，提高工作效率。In order to solve the above technical problems, the present invention provides a high-speed diaphragm coupling, the purpose of which is to improve the vibration of the coupling during operation and improve the working efficiency by improving the structure of the high-speed diaphragm coupling.
一种高速膜片联轴器，其包括半联器一以及半联器二，所述的半联器一一侧连接有变速器，所述的半联器二一侧连接有风机，所述的半联器一通过螺栓连接有试车转接盘，所述的试车转接盘通过固定组件连接有中间节，所述的固定组件包括螺栓、冠状轴衬、金属膜片以及锥形垫圈，所述的试车转接盘与中间节通过螺栓固定在一起，所述的螺栓依次穿过冠状轴衬、金属膜片以及锥形垫圈，所述的中间节通过固定组件连接有半联器二。A high-speed diaphragm coupling, comprising a half-connector 1 and a half-connector 2, wherein the half-connector is connected with a transmission on one side, and the fan is connected to a fan on one side thereof, The semi-coupler is connected to the test adapter plate by bolts, and the test adapter plate is connected with an intermediate joint by a fixing assembly, the fixing assembly comprising a bolt, a crown bushing, a metal diaphragm and a tapered washer, The test adapter and the intermediate section are bolted together, the bolts passing through the crown bushing, the metal diaphragm and the tapered washer in sequence, and the intermediate section is connected to the half joint 2 via the fixing assembly.
优选的，所述的半联器二设置有挡衬块，所述的半联器二设置有锥形连接腔。Preferably, the half connector 2 is provided with a blocking pad, and the half connector 2 is provided with a tapered connecting cavity.
优选的，所述的锥形连接腔由半联器二外部向内斜向收缩形成且锥形连接腔的外径大于内径。Preferably, the tapered connecting cavity is formed by the outer inward oblique contraction of the half joint and the outer diameter of the tapered connecting cavity is larger than the inner diameter.
优选的，所述的中间节包括两个中间钢管，所述的中间钢管通过法兰连接固定。Preferably, the intermediate section comprises two intermediate steel pipes, and the intermediate steel pipe is fixed by a flange connection.
优选的，所述的两个中间钢管之间设置有调节垫片。Preferably, an adjustment gasket is disposed between the two intermediate steel pipes.
本发明提供的一种高速膜片联轴器，其有益效果在于：本发明中采用固定组件按照带销螺栓销子长度，采取正反相间的安装方式，调横向振动振型膜片联轴器横向振动确保定位准确同心度高，避免联轴器的横向振动特性靠近转子***的转速频率，可以消除转子在高速情况下振动不稳定的问题；半联器二连接腔为锥形腔，锥形连接腔和主轴锥 面之间的接触面积大，确保接触良好，高速下不松动，安装后膜片不出现扭曲变形，确保螺栓连接件的总质心落在膜片联轴器膜片组的中间位置，进一步减小联轴器运转过程中的振动问题。The utility model provides a high-speed diaphragm coupling, which has the beneficial effects that: in the invention, the fixing component is arranged according to the length of the pin bolt, and the installation mode of the positive and negative rotation is adopted, and the transverse vibration vibration type diaphragm coupling is adjusted. The lateral vibration ensures accurate positioning and concentricity, avoiding the lateral vibration characteristics of the coupling close to the rotational speed of the rotor system, and can eliminate the problem of unstable vibration of the rotor at high speed; the two connecting chambers of the semi-connector are tapered chambers, tapered Connection cavity and spindle cone The contact area between the faces is large, ensuring good contact, no looseness under high speed, no distortion of the diaphragm after installation, ensuring that the total center of mass of the bolted joint falls in the middle position of the diaphragm coupling diaphragm group, further reducing Vibration problems during operation of the coupling.
附图说明DRAWINGS
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍。In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art description will be briefly described below.
附图1为本发明的结构示意图；Figure 1 is a schematic view showing the structure of the present invention;
附图2为图1中固定组件的局部放大图。Figure 2 is a partial enlarged view of the fixing assembly of Figure 1.
具体实施方式detailed description
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述。The technical solutions in the embodiments of the present invention will be clearly and completely described in the following with reference to the accompanying drawings.
本实施例如图1和图2所示，This embodiment is shown in FIG. 1 and FIG. 2,
一种高速膜片联轴器，其包括半联器一1以及半联器二10，所述的半联器一1一侧连接有变速器，所述的半联器二10一侧连接有风机，其特征在于，所述的半联器一1通过螺栓连接有试车转接盘2，所述的试车转接盘2通过固定组件11连接有中间节8，所述的固定组件包括螺栓3、冠状轴衬4、金属膜片5以及锥形垫圈6，所述的试车转接盘2与中间节8通过螺栓3固定在一起，所述的螺栓3依次穿过冠状轴衬4、金属膜片5以及锥形垫圈6，所述的中间节8通过固定组件11连接有半联器二10，所述的半联器二10设置有挡衬块9，所述的半联器二10设置有锥形连接腔7，所述的锥形连接腔7由半联器二10外部向内斜向收缩形成且锥形连接腔7的外径大于内径，所述的中间节8包括两个中间钢管81，所述的中间钢管81通过法兰82连接固定，所述的两个中间钢管81之间设置有调节垫片。A high-speed diaphragm coupling includes a half-connector 1 and a half-connector 2, wherein the half-connector has a transmission connected to one side thereof, and a fan is connected to one side of the half-connector , the semi-coupler 1 is connected to the test adapter plate 2 by bolts, and the test adapter plate 2 is connected with the intermediate joint 8 through the fixing assembly 11, the fixing assembly includes a bolt 3, The crown bushing 4, the metal diaphragm 5 and the tapered washer 6, the test adapter plate 2 and the intermediate joint 8 are fixed together by bolts 3, which in turn pass through the crown bushing 4, the metal diaphragm 5 and a tapered washer 6, the intermediate joint 8 is connected with a half joint 2 through a fixing assembly 11, the half joint 20 is provided with a baffle block 9, and the half joint 2 is provided with a conical connecting cavity 7, the conical connecting cavity 7 is formed by the inwardly oblique contraction of the outer end of the semi-connector 2 and the outer diameter of the conical connecting cavity 7 is larger than the inner diameter, and the intermediate section 8 comprises two intermediate steel pipes 81. The intermediate steel pipe 81 is connected and fixed by a flange 82, and an adjusting gasket is disposed between the two intermediate steel pipes 81.
本发明提供的一种高速膜片联轴器，本发明中采用固定组件按照带销螺栓销子长度，采取正反相间的安装方式，调横向振动振型膜片联轴器横向振动确保定位准确同心度高，避免联轴器的横向振动特性靠近转子***的转速频率，可以消除转子在高速情况下振动不稳定的问题；半联器二连接腔为锥形腔，锥形连接腔和主轴锥面之间的接触面积大，确保接触良好，高速下不松动，安装后膜片不出现扭曲变形，确保螺栓连接件的总质心落在膜片联轴器膜片组的中间位置，进一步减小联轴器运转过程中的振动问题。The invention provides a high-speed diaphragm coupling. In the invention, the fixing assembly is arranged according to the pin length of the pin bolt, and the installation mode between the positive and negative directions is adopted, and the transverse vibration of the transverse vibration vibrating diaphragm coupling is adjusted to ensure accurate positioning. The high concentricity avoids the lateral vibration characteristics of the coupling close to the rotational speed of the rotor system, which can eliminate the problem of unstable vibration of the rotor at high speed; the two connecting chambers of the semi-connector are a tapered cavity, a tapered connecting cavity and a spindle cone The contact area between the faces is large, ensuring good contact, no looseness under high speed, no distortion of the diaphragm after installation, ensuring that the total center of mass of the bolted joint falls in the middle position of the diaphragm coupling diaphragm group, further reducing Vibration problems during operation of the coupling.
本发明所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发 明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。 The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Bright. Various modifications to these embodiments are obvious to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but the scope of the invention is to be accorded

Claims (5)

  1. 一种高速膜片联轴器，其包括半联器一(1)以及半联器二(10)，所述的半联器一(1)一侧连接有变速器，所述的半联器二(10)一侧连接有风机，其特征在于，所述的半联器一(1)通过螺栓连接有试车转接盘(2)，所述的试车转接盘(2)通过固定组件(11)连接有中间节(8)，所述的固定组件包括螺栓(3)、冠状轴衬(4)、金属膜片(5)以及锥形垫圈(6)，所述的试车转接盘(2)与中间节(8)通过螺栓(3)固定在一起，所述的螺栓(3)依次穿过冠状轴衬(4)、金属膜片(5)以及锥形垫圈(6)，所述的中间节(8)通过固定组件(11)连接有半联器二(10)。A high-speed diaphragm coupling comprising a half-coupler (1) and a half-coupler (10), the half-coupler (1) is connected to a transmission on one side thereof, and the half-coupler 2 (10) A fan is connected to one side, characterized in that the half-coupler (1) is connected by bolt to a test adapter disk (2), and the test adapter disk (2) passes through a fixing component (11) Attached to the intermediate section (8), the fixing assembly comprises a bolt (3), a crown bushing (4), a metal diaphragm (5) and a tapered washer (6), the test adapter disk (2) And the intermediate section (8) is fixed by bolts (3), which in turn pass through the crown bushing (4), the metal diaphragm (5) and the tapered washer (6), said The intermediate section (8) is connected to the half connector (10) via a fixing component (11).
  2. 根据权利要求1所述的一种高速膜片联轴器，其特征在于，所述的半联器二(10)设置有挡衬块(9)，所述的半联器二(10)设置有锥形连接腔(7)。A high-speed diaphragm coupling according to claim 1, wherein said half-coupler (10) is provided with a blocking pad (9), and said half-coupler two (10) is arranged There is a tapered connecting chamber (7).
  3. 根据权利要求2所述的一种高速膜片联轴器，其特征在于，所述的锥形连接腔(7)由半联器二(10)外部向内斜向收缩形成且锥形连接腔(7)的外径大于内径。A high-speed diaphragm coupling according to claim 2, wherein said tapered connecting chamber (7) is formed by an inwardly oblique contraction of the outer portion of the coupling unit (10) and a tapered connecting chamber. The outer diameter of (7) is larger than the inner diameter.
  4. 根据权利要求1或者2所述的一种高速膜片联轴器，其特征在于，所述的中间节(8)包括两个中间钢管(81)，所述的中间钢管(81)通过法兰(82)连接固定。A high speed diaphragm coupling according to claim 1 or 2, wherein said intermediate section (8) comprises two intermediate steel tubes (81), said intermediate steel tubes (81) passing through a flange (82) The connection is fixed.
  5. 根据权利要求4所述的一种高速膜片联轴器，其特征在于，所述的两个中间钢管(81)之间设置有调节垫片。 A high speed diaphragm coupling according to claim 4, wherein an adjustment spacer is disposed between said two intermediate steel tubes (81).
PCT/CN2016/108788 2016-04-19 2016-12-07 High-speed diaphragm coupling WO2017181692A1 (en)

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CN111306207A (en) * 2020-03-27 2020-06-19 上海优社动力科技有限公司 Novel superspeed coupling
CN117588502A (en) * 2024-01-18 2024-02-23 宁波圣誉传动科技有限公司 Diaphragm mounting structure, wind-electricity coupler, wind driven generator and mounting method

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CN105715691A (en) * 2016-04-19 2016-06-29 镇江索达联轴器有限公司 High-speed diaphragm coupler
CN107725626A (en) * 2017-10-31 2018-02-23 镇江索达联轴器有限公司 A kind of diaphragm coupling of the adapter with radial positioning
CN109027029B (en) * 2018-07-18 2020-10-27 西安交通大学 Low-vibration diaphragm coupling

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