CN108458072A - A kind of achievable multiphase position locking and the radial hinge method from alignment function - Google Patents

Abstract

The purpose of the present invention is disclose a kind of achievable multiphase position locking and the radial hinge method from alignment function, its main feature is that two rotating parts connected by hinging manner, it is fitted and is fixed using flute profile, it changes only frictionally and realizes fixed form, multiphase position locking may be implemented, while realizing that rotating part is radial in during locking.

Description

A kind of achievable multiphase position locking and the radial hinge method from alignment function

Technical field

The present invention designs a kind of achievable multiphase position locking and the radial hinge method from alignment function.

Background technology

Articulated structure is revolute pair type of attachment most commonly seen in machinery field, with the rotary active part of hinge links If you need to realize that being relatively fixed often through bolt the part that conjunction rotating part is hinged by frictional force realizes fixation, Frictional force size F is related with pressing force N and surface roughness μ, and formula is F=N* μ, the bolt pretightening one in traditional link Fixed, then maximum static friction force is also certain, the fixation of this form, causes revolving part stress to be more than most when part Moment is larger Solid failure when big stiction.Meanwhile aperture is larger if the part being hinged is hinged, it is using bolt that the method for conjunction is difficult To realize rotating part radial alignment, i.e.,：Realize that rotary part is consistent with the rotation axis of fixed component.Therefore a kind of energy is needed Enough realize that rotary part is effectively fixed and realizes the radial method from centering of rotary part.

Invention content

It is special the purpose of the present invention is disclosing a kind of achievable multiphase position locking and the radial hinge method from alignment function Point is two rotating parts connected by hinging manner, and multiphase position locking may be implemented, while realizing and being rotated during locking Part is radial from centering.To achieve the above object, the technical solution adopted by the present invention is：A kind of achievable multiphase position locking and diameter To the articulated structure from alignment function, as shown in Figure 1, revolving part 1 is connect by bolt 2 with fixing piece 3 with threaded hole.Such as figure Shown in 2, the contact form of revolving part 1 and fixing piece 3 contacts for flute profile, and the tooth of revolving part 1 is upper tooth 4, number of teeth N, fixing piece 3 Tooth be lower tooth 5, the number of teeth of the number of teeth and revolving part 1 is all mutually N, when tooth 4, lower tooth 5 are at a fully engaged in design requirement, 4 tooth of upper tooth Top and the tooth socket of fixing piece 3 are there are gap, and there are gaps for the tooth socket of 5 tooth top of lower tooth and revolving part 1.1 fixation procedure of rotary part In, bolt is gradually locked, and revolving part 1 is by axial pressing force F1, and revolving part 1 and fixing piece 2 move closer under the action of F1, The tooth socket fit of the upper tooth 4 and fixing piece 3 of revolving part 1, the lower tooth 5 of fixing piece 3 and 1 tooth socket fit of revolving part, upper tooth 4 under Tooth 5 is progressively engaged, until the tooth both sides of revolving part 1 are bonded completely with the tooth socket both sides of fixing piece 3, while the tooth two of fixing piece 3 Side is bonded completely with the tooth socket both sides of revolving part 1, reaches locking purpose, realizes the axially and radially solid of revolving part 1 and fixing piece 3 It is fixed, both prevent when revolving part 1 receives larger torque solid failure.If you need to change the locking phase of revolving part 1, then pine is needed Bolt is opened, clamping screw keeps tooth 4, lower tooth 5 at a fully engaged to rotation revolving part 1 again, the positional number that revolving part 1 can lock P is identical as the number of teeth, P=N, it can be achieved that N number of phase locking, the N the big, and achievable phase locked position is more.Such as Fig. 3 institutes Show, the flute profile of the lower tooth 5 of fixing piece 3 is taper, then the tooth socket for the revolving part 1 being fitted with it is also taper, has radially-directed Effect realizes that revolving part 1 and fixing piece 3 are radial from centering in upper tooth 4 and 5 fit procedure of lower tooth.

Operation principle：

It is relatively fixed often through bolt conjunction rotating part, is hinged if you need to realize in the rotary active part of hinge links Part realize that fixation, the fixation of this form cause revolving part stress big when part Moment is larger by frictional force Solid failure when maximum static friction force.The present invention is fixed using flute profile fitting, and it is fixed to realize to change only frictionally Form.Revolving part 1 is connect by bolt 2 with fixing piece 3 with threaded hole.The contact form of revolving part 1 and fixing piece 3 is flute profile The tooth of contact, revolving part 1 is upper tooth 4, and the tooth of number of teeth N, fixing piece 3 are lower tooth 5, and the number of teeth and the number of teeth of revolving part 1 are all mutually N, when tooth 4, lower tooth 5 are at a fully engaged in design requirement, the tooth socket of 4 tooth top of upper tooth and fixing piece 3 there are gap, 5 tooth top of lower tooth with There are gaps for the tooth socket of revolving part 1.In 1 fixation procedure of rotary part, bolt is gradually locked, and revolving part 1 is by axial pressing force F1, revolving part 1 and fixing piece 2 move closer under the action of F1, the tooth socket fit of the upper tooth 4 and fixing piece 3 of revolving part 1, Gu Determine part 3 lower tooth 5 and 1 tooth socket fit of revolving part, upper tooth 4 and lower tooth 5 are progressively engaged, until the tooth both sides of revolving part 1 with it is solid The tooth socket both sides for determining part 3 are bonded completely, while the tooth both sides of fixing piece 3 are bonded completely with the tooth socket both sides of revolving part 1, reach lock Tight purpose realizes axially and radially fixing for revolving part 1 and fixing piece 3, both prevents when revolving part 1 receives larger torque solid Fixed failure.If you need to change the locking phase of revolving part 1, then need to unclamp bolt, clamping screw makes tooth to rotation revolving part 1 again 4, lower tooth 5 is at a fully engaged, and the positional number P that revolving part 1 can lock is identical as the number of teeth, P=N, it can be achieved that N number of phase locking. As shown in figure 3, the flute profile of the lower tooth 5 of fixing piece 3 is taper, then the tooth socket for the revolving part 1 being fitted with it is also taper, has diameter To guiding role, in upper tooth 4 and 5 fit procedure of lower tooth, realize that revolving part 1 and fixing piece 3 are radial from centering.

Description of the drawings

Fig. 1 articulated structure schematic diagrames.

Fig. 2 flute profile axial sectional views.

Fig. 3 flute profile radial cross-sections.

Specific implementation mode

As shown in Figure 1, revolving part 1 is connect by bolt 2 with fixing piece 3 with threaded hole.As shown in Fig. 2, 1 He of revolving part The contact form of fixing piece 3 contacts for flute profile, and the tooth of revolving part 1 is upper tooth 4, and the tooth of number of teeth N, fixing piece 3 are lower tooth 5, tooth The number of teeth of number and revolving part 1 is all mutually N, when tooth 4, lower tooth 5 are at a fully engaged in design requirement, the tooth of upper tooth 4 tooth top and fixing piece 3 Slot is there are gap, and there are gaps for the tooth socket of 5 tooth top of lower tooth and revolving part 1.In 1 fixation procedure of rotary part, bolt is gradually locked, Revolving part 1 is by axial pressing force F1, and revolving part 1 and fixing piece 2 move closer under the action of F1, the upper tooth 4 of revolving part 1 with The tooth socket fit of fixing piece 3, the lower tooth 5 of fixing piece 3 and 1 tooth socket fit of revolving part, upper tooth 4 and lower tooth 5 are progressively engaged, until The tooth both sides of revolving part 1 are bonded completely with the tooth socket both sides of fixing piece 3, while the tooth socket of the tooth both sides and revolving part 1 of fixing piece 3 Both sides are bonded completely, reach locking purpose, are realized axially and radially fixing for revolving part 1 and fixing piece 3, are prevented in revolving part 1 Solid failure both when receiving larger torque.If you need to change the locking phase of revolving part 1, then need to unclamp bolt, rotation rotation Again clamping screw keeps tooth 4, lower tooth 5 at a fully engaged to part 1, and the positional number P that revolving part 1 can lock is identical as the number of teeth, and P= N, it can be achieved that N number of phase locking, the N the big, and achievable phase locked position is more.As shown in figure 3, the lower tooth of fixing piece 3 5 flute profile is taper, then the tooth socket for the revolving part 1 being fitted with it is also taper, has radially-directed effect, in upper tooth 4 under In 5 fit procedure of tooth, realize that revolving part 1 and fixing piece 3 are radial from centering.

Claims (2)

1. the purpose of the present invention is disclose a kind of achievable multiphase position locking and the radial hinge method from alignment function, feature A kind of achievable multiphase position locking and the radial hinge method from alignment function, revolving part 1 by bolt 2 with it is with threaded hole Fixing piece 3 connects；The contact form of revolving part 1 and fixing piece 3 is flute profile contact, and the tooth of revolving part 1 is upper tooth 4, number of teeth N, The tooth of fixing piece 3 is lower tooth 5, and the number of teeth of the number of teeth and revolving part 1 is all mutually N, when tooth 4, lower tooth 5 are at a fully engaged in design requirement, The tooth socket of 4 tooth top of upper tooth and fixing piece 3 is there are gap, and there are gaps for the tooth socket of 5 tooth top of lower tooth and revolving part 1；Rotary part 1 is solid During fixed, bolt is gradually locked, revolving part 1 by axial pressing force F1, under the action of F1 revolving part 1 and fixing piece 2 by It is gradually close, the tooth socket fit of the upper tooth 4 and fixing piece 3 of revolving part 1, the lower tooth 5 of fixing piece 3 and 1 tooth socket fit of revolving part, on Tooth 4 and lower tooth 5 are progressively engaged, until the tooth both sides of revolving part 1 are bonded completely with the tooth socket both sides of fixing piece 3, while fixing piece 3 Tooth both sides be bonded completely with the tooth socket both sides of revolving part 1, reach locking purpose, realize revolving part 1 and fixing piece 3 axial direction and It is radially fixed, both prevent when revolving part 1 receives larger torque solid failure.

2. if you need to change the locking phase of revolving part 1, then need to unclamp bolt, clamping screw makes tooth to rotation revolving part 1 again 4, lower tooth 5 is at a fully engaged, and the positional number P that revolving part 1 can lock is identical as the number of teeth, P=N, it can be achieved that N number of phase locking, The N the big, and achievable phase locked position is more；The flute profile of the lower tooth 5 of fixing piece 3 is taper, the then revolving part being fitted with it 1 tooth socket is also taper, has radially-directed effect, in upper tooth 4 and 5 fit procedure of lower tooth, realizes revolving part 1 and fixing piece 3 is radial from centering.