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CN100478574C - High elastic rubber alloy shaft coupling device - Google Patents

High elastic rubber alloy shaft coupling device Download PDF

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Publication number
CN100478574C
CN100478574C CNB2007100790448A CN200710079044A CN100478574C CN 100478574 C CN100478574 C CN 100478574C CN B2007100790448 A CNB2007100790448 A CN B2007100790448A CN 200710079044 A CN200710079044 A CN 200710079044A CN 100478574 C CN100478574 C CN 100478574C
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China
Prior art keywords
elastic body
input shaft
output coupling
output
shaft flange
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Expired - Fee Related
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CNB2007100790448A
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Chinese (zh)
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CN101038014A (en
Inventor
王家序
田凡
肖科
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Chongqing University
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Chongqing University
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Abstract

一种高弹性橡胶合金联轴器，包括输入轴法兰盘(1)、弹性体(3)、输出联接盘(5)和输出联接套(7)。输入轴法兰盘(1)的内啮合圆弧梯形齿面与弹性体(3)外啮合圆弧梯形齿面并沿轴向呈锥度滑动配合，弹性体(3)与输出联接盘(5)高强度粘接为一个整体。弹性体(3)为一种新型工程复合材料，其两轴向端面内凹弧度半径R为40～60mm，内嵌有钢丝环(4)，使扭振强度增强，并将扭转角控制在适度范围内，能自适应调节补偿轴系安装不对中误差，大大降低动力传递过程中的非平衡力矩。本联轴器具有减振、降噪、安全、可靠、高效、节能、使用寿命长、安装简便等优点，可应用于机械、舰船、车辆、石油、水利和国防武器等装备动力传动系统。

Figure 200710079044

A high-elastic rubber alloy shaft coupling includes an input shaft flange (1), an elastic body (3), an output coupling disc (5) and an output coupling sleeve (7). The inner meshing arc trapezoidal tooth surface of the input shaft flange (1) and the outer meshing arc trapezoidal tooth surface of the elastic body (3) are taper-slidingly matched in the axial direction, and the elastic body (3) and the output coupling plate (5) High-strength bonding as a whole. The elastic body (3) is a new type of engineering composite material, and its two axial end faces have a concave arc radius R of 40-60 mm, and a steel wire ring (4) is embedded in it to enhance the torsional vibration strength and control the torsion angle at a moderate level Within the range, it can adaptively adjust and compensate the misalignment error of the shaft system installation, greatly reducing the unbalanced moment in the process of power transmission. The coupling has the advantages of vibration reduction, noise reduction, safety, reliability, high efficiency, energy saving, long service life, and easy installation. It can be applied to power transmission systems of machinery, ships, vehicles, petroleum, water conservancy, and national defense weapons.

Figure 200710079044

Description

High elastic rubber alloy shaft coupling
Technical field
The invention belongs to the mechanical transmission fields in the mechanical engineering, particularly relate to a kind of high elastic rubber alloy shaft coupling.
Background technique
Very for a long time, all kinds of power plant such as the marine propuision system in the machine driven system, locomotive, excavator, hoist, heavy-duty car, compressor, generator set cause the principal element of torsional vibration of shafting because of the nonuniformity of output torque.The elastomer of the elastic coupling flexible coupling of Germany VOR Kanggong department is after the use of long period, exist the elastic fatigue of rubber to destroy easily, elastomeric torsional oscillation intensity reduces, the Maximum Torque of bearing reduces, thereby not only the high elasticity at torsional direction descends, and axially, radially with the flexibility decrease of angle direction, preferably compensating shaft be driving mechanism because produce in the installation and operation process misalign error, and the variation of elastomer absorptivity is subjected to the Environmental Conditions influence, needs frequent replacing elastic coupling flexible coupling.
Summary of the invention
Purpose of the present invention is exactly to design a kind of have high torsional oscillation intensity, high rubber bound intensity, the high elastic rubber alloy shaft coupling of long service life.
A kind of high elastic rubber alloy shaft coupling involved in the present invention comprises input shaft flange plate 1, elastomer 3, output tie-plate 5 and output joint sleeve 7; It is characterized by: it is 3 °～8 ° being slidingly matched that the trapezoidal flank of tooth of interior engagement circular arc of input shaft flange plate 1 and the trapezoidal flank of tooth of elastomer 3 outer gearing circular arcs are tapering α vertically.Elastomer 3 is as a whole with output tie-plate 5 high strength bondings.Have one group of hole 2 on the circumference of input shaft flange plate 1.The elastomer 3 diaxons radius of end face laterally are that R is 40～60mm.Be embedded with steel wire ring 4 at elastomer 3 bodies, the diameter of section 4～8mm of steel wire ring 4.Output tie-plate 5 links with output joint sleeve 7 by one group of screw 6 on the circumference.The polymer rubber composite material that 2%～8% nanometer ZnOw modification of elastomer 3 usefulness weight percentages strengthens, material die pressing precise forming sulfide stress 10～25MPa, 150～180 ℃ of temperature, time 40～80min.Input shaft flange plate 1 is by the aluminum alloy material compression molding; Be processed with the left-handed and right-handed thread of β of certain helix angle respectively at the circumferential outer surface of output tie-plate 5, after applying special adhesive, with elastomer 3 molded vulcanization precise formings, make elastomer 3, embedded steel wire ring 4 and output tie-plate 5 high strength bond become as a whole.
High elastic rubber alloy shaft coupling involved in the present invention, make the torsional oscillation intensity enhancing, and torsion angle is controlled in the appropriate scope, can the installation of self adaption adjusting compensating shaft system misalign error, reduce the non-equilibrium moment in the power transmission process greatly, have advantages such as vibration damping, noise reduction, safe, reliable, efficient, energy-conservation, long service life, simple installation.
Description of drawings
Fig. 1 is the structural representation of high elastic rubber alloy shaft coupling.
Fig. 2 is a high elastic rubber alloy shaft coupling A-A sectional view.
Fig. 3 is the structural representation of input shaft flange plate.
Fig. 4 is the structural representation of output tie-plate.
Fig. 5 is the application structure schematic representation of high elastic rubber alloy shaft coupling.
1. input shaft flange plate among the figure, 2. hole, 3. elastomer, 4. steel wire ring, 5. output tie-plate, 6. screw, 7. output joint sleeve, 8. dowel hole, 9. input shaft, 10. connecting flange, 11. output shafts
Embodiment
The present invention will be further described below in conjunction with drawings and Examples:
A kind of high elastic rubber alloy shaft coupling involved in the present invention comprises input shaft flange plate 1, elastomer 3, output tie-plate 5 and output joint sleeve 7 as shown in Figure 1.The radius R size of elastomer 3 axial two outside end faces is adopted as 40～60mm, can prevent that it is being subjected to producing fatigue failure under the long-term alternate load.The trapezoidal flank of tooth of interior engagement circular arc of input shaft flange plate 1 and the trapezoidal flank of tooth of elastomer 3 outer gearing circular arcs and to be tapering α vertically be 3 °～8 ° being slidingly matched can the compensating axial plaies, eliminate drive gap, vibration and noise reducing, install simultaneously discharge easy.Having the connecting flange that one group of hole 2 is used for input end as shown in Figure 2 on the circumference of input shaft flange plate 1 links.Output tie-plate 5 links with output joint sleeve 7 by one group of screw 6 on the circumference.Have dowel hole 8 at output joint sleeve 7 as shown in Figure 1 and be used to connect output shaft.
The circumferential outer surface of exporting tie-plate 5 as shown in Figure 4 has the left-handed and right-handed thread of β of certain helix angle.Adopt such helix structure, elastomer 3 is more prone to be bonded to an integral body with input shaft flange plate 1 and output tie-plate 5 when sulfidization molding, when elastomer 3 is subjected to the moment of torsion of input shaft flange plate 1 and 5 transmission of output tie-plate, elastomer 3 and input shaft flange plate 1 and output tie-plate 5 can be firm bond together, be not easy to come off.
Elastomer 3 bodies are embedded with steel wire ring 4 as depicted in figs. 1 and 2.Steel wire ring 4 is to be that coiling diameter is the finer wire of 1～2mm on the steel wire of 3～5mm at diameter, and one diameter of Xing Chenging is the steel wire of 4～8mm at last, this strand steel wire is curved a circle ring again and is embedded in the elastomer 3.When input shaft flange plate 1 is subjected to moment of torsion with output tie-plate 5, because the elasticity of steel wire can strengthen the torsional oscillation intensity of elastomer 3, make the torsional oscillation intensity enhancing, and torsion angle is controlled in the appropriate scope, can the installation of self adaption adjusting compensating shaft system misalign error, prevent axially, radially with the flexibility decrease of angle direction, reduce the non-equilibrium moment in the power transmission process greatly.
Input shaft flange plate 1 is by the aluminum alloy material compression molding.It is the circumferential outer surface adhesive coating that adopts at output tie-plate 5 that elastomer 3, embedded steel wire ring 4 become as a whole technology with output tie-plate 5 high strength bond, the material of elastomer 3 is polymer rubber composite materials that weight percentage 2%～8% nanometer ZnOw modification strengthens, by material die pressing precise forming sulfide stress 10～25MPa, 150～180 ℃ of temperature, time 40～80min, the physical and chemical performance and the absorbability of the prepared high elastic rubber alloy shaft coupling elastomeric material that goes out have surpassed U.S. army's standard, long service life.
Embodiment
The polymer rubber composite material that the sulfidation of high elastic rubber alloy shaft coupling elastomer 3, the material of elastomer 3 adopt the nanometer ZnOw modification of weight percentage 3% to strengthen is placed on and carries out the glue refining among open machine X (S) K-230.Be processed with the left-handed and right-handed thread of β of certain helix angle respectively at the circumferential outer surface of output tie-plate 5, after applying special adhesive, to export tie-plate 5 and steel wire ring 4 is placed in the vulcanization die, with extrusion die the raw material that the glue refining obtains is expressed in the vulcanization die again, the vulcanization die that this cover is assembled is placed in the digitizer tablet vulcanizing equipment at last, configure 180 ℃ of sulfurize temperatures, cure time 70 minutes, sulfide stress 46kkg.
As shown in Figure 5, high elastic rubber alloy shaft coupling links with input shaft 9 by output joint sleeve 7, and connecting flange 10 links with output shaft 11, and the internal diameter size of output joint sleeve 7 and connecting flange 10 can adapt to the output shaft 11 and the input shaft 9 of the different diameters of axle respectively.It is 3 ° being slidingly matched that the trapezoidal flank of tooth of interior engagement circular arc of input shaft flange plate 1 and the trapezoidal flank of tooth of elastomer 3 outer gearing circular arcs also are tapering α vertically, because the outer hole surface helix structure of the inner hole surface of input shaft flange plate 1 and output tie-plate 5, make the more firm of elastomer 3 input shaft flange plate 1 behind the sulfidization molding, output tie-plate 5 bondings.The steel wire ring is embedded in the elastomer 3, and the torsional oscillation intensity of elastomer 3 is enhanced.
The thing of table 1 high elastic rubber alloy shaft coupling elastomeric material
Figure C20071007904400061
The absorptivity (shrinkage) of table 2 high elastic rubber alloy shaft coupling elastomeric material
Time Liquid Temperature This workpiece U.S. army mark
70hrs ASTM#30il 100℃ +2.9％ +4.0％
70hrs ASTM#30il 38℃ ＜+1％ ＜+1％
70hrs ASTM#30il 22℃ Ignore Ignore
70hrs H0 100℃ +1.8％ +2.6％
70hrs H0 38℃ Ignore Ignore

Claims (2)

1、一种高弹性橡胶合金联轴器，包括输入轴法兰盘(1)、弹性体(3)、输出联接盘(5)和输出联接套(7)；其特征为：弹性体(3)用重量百分比2％～8％纳米级ZnOw改性增强的高分子橡胶复合材料，材料模压精密成型硫化压力10～25MPa、温度150～180℃、时间40～80min；输入轴法兰盘(1)的内啮合圆弧梯形齿面与弹性体(3)外啮合圆弧梯形齿面沿轴向呈锥度α为3°～8°的滑动配合；弹性体(3)与输出联接盘(5)高强度粘接为一个整体；输入轴法兰盘(1)的圆周上开有一组孔(2)；弹性体(3)两轴向外侧端面的半径为R为40～60mm；在弹性体(3)体内嵌有钢丝环(4)，钢丝环(4)的截面直径4～8mm；输出联接盘(5)通过圆周上一组螺钉(6)与输出联接套(7)相联。1. A high-elastic rubber alloy shaft coupling, including an input shaft flange (1), an elastic body (3), an output coupling disc (5) and an output coupling sleeve (7); it is characterized by: the elastic body (3 ) with 2% to 8% by weight of nano-scale ZnOw modified and reinforced polymer rubber composite material, the material is molded and precision molded with a vulcanization pressure of 10-25MPa, a temperature of 150-180°C, and a time of 40-80min; the input shaft flange (1 ) and the outer meshing arc trapezoidal tooth surface of the elastic body (3) in a sliding fit with a taper α of 3° to 8° in the axial direction; the elastic body (3) and the output coupling plate (5) High-strength bonding as a whole; a group of holes (2) are opened on the circumference of the input shaft flange (1); the radius of the outer end surface of the elastic body (3) is 40-60mm; the elastic body ( 3) A steel wire ring (4) is embedded in the body, and the cross-sectional diameter of the steel wire ring (4) is 4-8mm; the output connection disc (5) is connected with the output connection sleeve (7) through a group of screws (6) on the circumference. 2、根据权利要求1所述的高弹性橡胶合金联轴器，其特征是：输入轴法兰盘(1)由铝合金材料模压成型；在输出联接盘(5)的圆周外表面分别加工有一定螺旋角的左旋和右旋螺纹，涂覆特种胶粘剂后，与弹性体(3)模压硫化精密成型，使弹性体(3)、内嵌钢丝环(4)和输出联接盘(5)高强度粘结成为一个整体。2. The high-elastic rubber alloy shaft coupling according to claim 1, characterized in that: the input shaft flange (1) is molded from aluminum alloy; the outer surface of the output coupling disc (5) is processed with The left-handed and right-handed threads with a certain helix angle are coated with special adhesives, and then molded and vulcanized with the elastic body (3) for precision molding, so that the elastic body (3), the embedded steel wire ring (4) and the output coupling disc (5) have high strength bonding to form a whole.
CNB2007100790448A 2006-10-20 2007-02-09 High elastic rubber alloy shaft coupling device Expired - Fee Related CN100478574C (en)

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CN200610054517.4 2006-10-20
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* Cited by examiner, † Cited by third party
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CN102072264A (en) * 2011-01-17 2011-05-25 重庆大学 Joint-type coupling
CN102121501A (en) * 2010-12-28 2011-07-13 重庆大学 Disc coupling

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US3678708A (en) * 1970-04-24 1972-07-25 Stromag Maschf Flexible couplings
US4385893A (en) * 1979-10-24 1983-05-31 Gerhard Kirschey Elastic shaft coupling
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US5360375A (en) * 1991-08-14 1994-11-01 Hackforth Gmbh & Co. Kg Device for mechanically transmitting torque
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CN102121501A (en) * 2010-12-28 2011-07-13 重庆大学 Disc coupling
CN102072264A (en) * 2011-01-17 2011-05-25 重庆大学 Joint-type coupling

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