CN201531536U

CN201531536U - Compound elastic coupling shaft pin

Info

Publication number: CN201531536U
Application number: CN2009201721280U
Authority: CN
Inventors: 许翊像
Original assignee: China Mcc17 Construction Co ltd
Current assignee: China Mcc17 Construction Co ltd
Priority date: 2009-05-15
Filing date: 2009-05-15
Publication date: 2010-07-21
Anticipated expiration: 2019-05-15

Abstract

The utility model discloses a compound elastic coupling shaft pin which pertains to a mechanical drive device, and is characterized in that a spigot shoulder is additionally arranged between a driven shaft neck section and a driving shaft neck section of a steel pin, and is integrally connected with the steel pin; the periphery of the driven shaft neck section is uniformly distributed with welded axial anti-rotating plates; the anti-rotating plate can be a sheet plate with the outside edge being hyperbolic or a snyed panel the outside edge of which is integrated into a whole; the axial length of the anti-rotating plate is smaller than that of the driven shaft neck section; the radial height of the anti-rotating plate is smaller than the radius of a driven disc pin hole; the end surface of the driven shaft neck section is provided with a rotating mark showing the rotating direction; the periphery of the driven shaft neck section is provided with a cylindrical elastic adhesive layer which is integrated with the driven shaft neck section and contains the driven shaft neck section and all the anti-rotating plates; and the periphery of the elastic adhesive layer and the pin hole of the driven disc of a coupler are in transition fit, thus not only leading to good vibration attenuation performance, but also not easily causing rotation, and leading to good heat dissipation effect and long service life.

Description

Compound elasticity coupled axle-pin

Technical field

The utility model belongs to mechanical transmission, especially relates to the coupled axle-pin that a kind of mechanical transmission coupling is used.

Background technique

Often adopt rubber sleeve or rubber bead string as transmission vibration damping layer now on the coupled axle-pin of mechanical transmission coupling and the driven disc between the driving pin hole, setting-in rubber sleeve or rubber bead string in promptly first each pin-and-hole on driven disc, driven shaft cervical part of esophagus correspondence with coupled axle-pin is installed in rubber sleeve or the rubber bead string then, these two kinds of methods are used historical long, but it is unsatisfactory, there are a lot of defectives, working life is short, noise is big, rubber sleeve or the rubber bead string on the drive plate of big load engineering machinery particularly, can cause fatigue damage because of the little easy deformation of compression area; Moreover because of unreasonable structure, rubber sleeve spins easily and produces heat during work, causes burning out, and because of vibratory output is big, big rubber sleeve ftractures easily and causes matching gap excessive, and the mechanical shaking amount increases, noise also increases; This phenomenon not only causes environmental pollution, and shortens the working life of each transmission part greatly, and maintenance frequency increases, Utilization ratio descends, economic loss is bigger.

Summary of the invention

The purpose of this utility model is to propose a kind of compound elasticity coupled axle-pin, and is not only easy for installation, eliminate the noise effectively, and durable in use, and amount of maintenance is few, can reduce the waste of human and material resources, long service life.

The purpose of this utility model is achieved like this: a kind of compound elasticity coupled axle-pin, comprise steel pin, steel pin is followed successively by the driven shaft cervical part of esophagus of making one from left to right, driving shaft cervical part of esophagus and external thread section, after the driving shaft cervical part of esophagus is installed in the pin-and-hole on the coupling driving disc, on external thread section, screw nut and in place, it is characterized in that: between the driven shaft cervical part of esophagus of steel pin and driving shaft cervical part of esophagus, also promptly set up the seam convex shoulder that fuses with it in the right part of driven shaft cervical part of esophagus, form the seam step between this seam convex shoulder and the driven shaft cervical part of esophagus, and the pin-and-hole on seam convex shoulder and the coupling driven disc is Spielpassung, during use, this seam convex shoulder has anti-colloid and extrudes effect with radial location; The uniform axial torsional stop that is welded on the circumference of driven shaft cervical part of esophagus, this torsional stop can be the snyed plate that outer ledge is hyp sheet plate or fuses for outer ledge, and making the axial length of the axial length of torsional stop less than the driven shaft cervical part of esophagus, the radial height of torsional stop is less than the radius of driven disc pin-and-hole; The sign of rotation of expression sense of rotation is set on the end face of driven shaft cervical part of esophagus, the elasticity glue-line that fuses with it in the periphery setting of driven shaft cervical part of esophagus, this elasticity glue-line is cylindrical, driven shaft cervical part of esophagus and torsional stop all are included in wherein, the right flank of elasticity glue-line glues together mutually with the left surface of seam convex shoulder, pin-and-hole on the circumference of this elasticity glue-line and the coupling driven disc is transition fit, and the elasticity glue-line can be Nitrile Rubber.

During use, as long as earlier with behind the corresponding respectively pin-and-hole that passes on the coupling driving disc of driving shaft cervical part of esophagus of each compound elasticity coupled axle-pin with nut screwing clamping and aim at sign of rotation, then each the pin-and-hole correspondence on the coupling driven disc is sleeved on the columniform elasticity glue-line of each coupled axle-pin, during work, elasticity glue-line not only vibration damping is good, and be difficult for spinning, good heat dissipation effect has prolonged working life and working efficiency.

The compound elasticity coupled axle-pin that the utility model proposed, rational in infrastructure, easy to make, install simply, be difficult for during work spinning, good heat dissipation effect, damping property is strong, not only improve working environment and also increase work efficiency greatly, working life of elongated component.

Below in conjunction with drawings and Examples the compound elasticity coupled axle-pin that the utility model proposes is described further.

Description of drawings

Fig. 1 is the main cross-sectional schematic of the compound elasticity coupled axle-pin that the utility model proposes.

Fig. 2 is that schematic representation is looked on the left side of the compound elasticity coupled axle-pin that the utility model proposes.

Among Fig. 1, Fig. 2: 1, driving shaft cervical part of esophagus 2, seam convex shoulder 3, glue-line 4, torsional stop 5, driven shaft cervical part of esophagus 6, sign of rotation

The examination of concrete enforcement side

From Fig. 1, among Fig. 2 as can be seen: a kind of compound elasticity coupled axle-pin, comprise steel pin, steel pin is followed successively by the driven shaft cervical part of esophagus 5 of making one from left to right, driving shaft cervical part of esophagus 1 and external thread section, after driving shaft cervical part of esophagus 1 is installed in the pin-and-hole on the coupling driving disc, on external thread section, screw nut and in place, it is characterized in that: between the driven shaft cervical part of esophagus 5 of steel pin and driving shaft cervical part of esophagus 1, also promptly set up the seam convex shoulder 2 that fuses with it in the right part of driven shaft cervical part of esophagus 5, form the seam step between this seam convex shoulder 2 and the driven shaft cervical part of esophagus 5, and the pin-and-hole on seam convex shoulder 2 and the coupling driven disc is Spielpassung, during use, this seam convex shoulder 2 has anti-colloid and extrudes effect with radial location; The uniform axial torsional stop 4 that is welded on the circumference of driven shaft cervical part of esophagus 5, this torsional stop 4 can be the snyed plate that outer ledge is hyp sheet plate or fuses for outer ledge, and making the axial length of the axial length of torsional stop 4 less than driven shaft cervical part of esophagus 5, the radial height of torsional stop 4 is less than the radius of driven disc pin-and-hole; The sign of rotation 6 of expression sense of rotation is set on the end face of driven shaft cervical part of esophagus 5, the elasticity glue-line 3 that fuses with it in the periphery setting of driven shaft cervical part of esophagus 5, this elasticity glue-line 3 is cylindrical, driven shaft cervical part of esophagus 5 and each torsional stop 4 all are included in wherein, the right flank of elasticity glue-line 3 glues together mutually with the left surface of seam convex shoulder 2, pin-and-hole on the circumference of this elasticity glue-line 3 and the coupling driven disc is transition fit, and elasticity glue-line 3 can be Nitrile Rubber.

During use, as long as earlier with behind the corresponding respectively pin-and-hole that passes on the coupling driving disc of driving shaft cervical part of esophagus 1 of each compound elasticity coupled axle-pin with nut screwing clamping and aim at sign of rotation 6, then each the pin-and-hole correspondence on the coupling driven disc is sleeved on the columniform elasticity glue-line 3 of each coupled axle-pin, during work, elasticity glue-line 3 not only vibration damping is good, and be difficult for spinning, good heat dissipation effect has prolonged working life and working efficiency.

Claims

1. a compound elasticity coupled axle-pin comprises steel pin, it is characterized in that:

A, between the driven shaft cervical part of esophagus (5) of steel pin and driving shaft cervical part of esophagus (1), also promptly set up the seam convex shoulder (2) that fuses with it in the right part of driven shaft cervical part of esophagus (5), form the seam step between this seam convex shoulder (2) and the driven shaft cervical part of esophagus (5), and the pin-and-hole on seam convex shoulder (2) and the coupling driven disc is Spielpassung;

B, on the circumference of driven shaft cervical part of esophagus (5) the uniform axial torsional stop (4) that is welded, the axial length of torsional stop (4) is less than the axial length of driven shaft cervical part of esophagus (5), the radial height of torsional stop (4) is less than the radius of driven disc pin-and-hole;

C, on the end face of driven shaft cervical part of esophagus (5), be provided with the expression sense of rotation sign of rotation (6), the elasticity glue-line (3) that fuses with it in the periphery setting of driven shaft cervical part of esophagus (5), this elasticity glue-line (3) is cylindrical, driven shaft cervical part of esophagus (5) and each torsional stop (4) all are included in wherein, the right flank of elasticity glue-line (3) glues together mutually with the left surface of seam convex shoulder (2), and the circumference of this elasticity glue-line (3) and the pin-and-hole on the coupling driven disc are transition fit.

2. compound elasticity coupled axle-pin according to claim 1 is characterized in that the snyed plate that this torsional stop (4) is hyp sheet plate or fuses for outer ledge for outer ledge.