CN202391993U

CN202391993U - Solid cross-shaped coupling

Info

Publication number: CN202391993U
Application number: CN2011205658565U
Authority: CN
Inventors: 刘涛; 喻宝林
Original assignee: China First Heavy Industries Co Ltd; CFHI Dalian Design and Research Institute Co Ltd
Current assignee: China First Heavy Industries Co Ltd; CFHI Dalian Design and Research Institute Co Ltd
Priority date: 2011-12-30
Filing date: 2011-12-30
Publication date: 2012-08-22
Anticipated expiration: 2021-12-30

Abstract

The utility model relates to a solid cross-shaped coupling, which includes connecting shafts and a coupling, wherein partial shaft bodies on the two surfaces at the connecting ends of the connecting shafts are cut off by taking the central line of the connecting shafts as the basis, so that connecting keys taking the central line as the center are formed at the end parts of the connecting shafts; the coupling is a cylindrical body, and key slots taking the central line as the center are formed in the two end surface of the cylindrical body respectively; and further, the key slots are matched with the connecting keys at the end pars of the connecting shafts, and the key slots on the two end surfaces of the cylindrical body are vertical to each other. The solid cross-shaped coupling has the benefits of rotational inertia, high bidirectional drive accuracy, and certain capability of compensating axial, radial and angular offsets.

Description

A kind of rigidity cross coupler

Technical field

The utility model relates to the mechanical transmissioning technology field, relates in particular to coupling, and particularly rigid coupling is applicable to require low inertia, highi degree of accuracy, rigidity, concentric shafts to connect.

Background technique

Rigid coupling is widely used in the mechanical transmission, generally is divided into two on the structure, and the centre is rigidly connected with bolt, key, pin etc., and two ends adopt key to be connected respectively with axle.Some rigid coupling has the performance of certain compensation parallel offset, and the deficiency of this kind rigid coupling is that rotary inertia is big, complex structure, and processing difficulties, when being used for two-way transmission, transmission accuracy is lower.

Summary of the invention

To the existing problem of conventional rigid coupling technology, the purpose of the utility model provides a kind of rigidity cross coupler.

The technological scheme of the utility model is: a kind of rigidity cross coupler; Comprise coupling shaft and coupling; The connecting end that it is characterized in that said coupling shaft is a benchmark with the center line of coupling shaft, and the two sides is the cut-out axis body respectively, and forming with the center line in the end is the connecting key at center; Said coupling is a cylindrical body, is that the center has keyway with the center line on the cylindrical body both ends of the surface, and keyway matches with the connecting key of coupling shaft end, and the keyway on the cylindrical body both ends of the surface is orthogonal.

The said a kind of rigidity cross coupler of the utility model, the scope that it is characterized in that coupling cylinder diameter D is d≤D>=1.5d, d is the coupling shaft diameter.

The method for using of the utility model is: the connecting end of two axles that will connect is respectively charged into the keyway internal fixation at coupling two ends, has promptly realized the connection of diaxon.

The beneficial effect of the utility model is: rotary inertia is low, two-way transmission accuracy high and have certain compensating axial, radially, the performance of angle skew

Description of drawings

The utility model drawings attached four width of cloth, wherein

Fig. 1 is the utility model axle side schematic representation,

Fig. 2 is that the utility model master looks schematic representation,

Fig. 3 is the schematic side view of Fig. 2,

Fig. 4 is the schematic top plan view of Fig. 2.

In the accompanying drawing, 1, coupling shaft I, 2, coupling shaft II, 3, coupling.

Embodiment

Embodiment below in conjunction with accompanying drawing further specifies the utility model.

As shown in Figure 1, the connecting end of

coupling shaft

1,2 is a benchmark with the center line of coupling shaft, and the two sides is the cut-out axis body respectively, and forming with the center line in the end is the connecting key at center; Coupling 3 is a cylindrical body, is that the center has keyway with the center line on the cylindrical body both ends of the surface, and keyway matches with the connecting key of coupling shaft end, and the keyway on the cylindrical body both ends of the surface is orthogonal.This embodiment's characteristics are: simple in structure, rotary inertia is low; Because between

coupling shaft

1,2 and the coupling 3 is that key cooperates with keyway, so two-way transmission accuracy is high; When two

coupling shafts

1,2 exist radially, during the angle skew, coupling 3 subsidiary swing when rotating realizes compensation, compensation rate is bigger.

Claims

1. rigidity cross coupler; Comprise coupling shaft (1,2) and coupling (3); The connecting end that it is characterized in that said coupling shaft (1,2) is a benchmark with the center line of coupling shaft, and the two sides is the cut-out axis body respectively, and forming with the center line in the end is the connecting key at center; Said coupling (3) is a cylindrical body, is that the center has keyway with the center line on the cylindrical body both ends of the surface, and keyway matches with the connecting key of coupling shaft (1,2) end, and the keyway on the cylindrical body both ends of the surface is orthogonal.

2. according to the said a kind of rigidity cross coupler of claim 1, it is characterized in that the scope of coupling (3) cylinder diameter D is d≤D>=1.5d, d is the coupling shaft diameter.