CN204102453U - Cam with oscillating follower teaching aid - Google Patents

Cam with oscillating follower teaching aid Download PDF

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Publication number
CN204102453U
CN204102453U CN201420541267.7U CN201420541267U CN204102453U CN 204102453 U CN204102453 U CN 204102453U CN 201420541267 U CN201420541267 U CN 201420541267U CN 204102453 U CN204102453 U CN 204102453U
Authority
CN
China
Prior art keywords
cam
fork
pointer
pinnacle
angle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420541267.7U
Other languages
Chinese (zh)
Inventor
叶红仙
杨胜兵
王威
黄江华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Dianzi University
Original Assignee
Hangzhou Dianzi University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Dianzi University filed Critical Hangzhou Dianzi University
Priority to CN201420541267.7U priority Critical patent/CN204102453U/en
Application granted granted Critical
Publication of CN204102453U publication Critical patent/CN204102453U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of cam with oscillating follower teaching aid.To the deep understanding of the cam with oscillating follower characteristics of motion premised on the angular displacement determining cam angle and cam follower, but most of student can not understand the essence of cam angle completely, and teaching aid just seems more important.The utility model convexity wheel shaft is bearing on panel rack; Cam and cam base circle plate are all fixed on camshaft; Cam index dial is bonded on cam base circle plate; Fork bearing is fixed on panel rack; Motion fork and static fork are all hinged with fork bearing; Afterbody and the motion fork of the first pinnacle joint removably connect; Afterbody and the static fork of the second pinnacle joint removably connect; Afterbody and the second pinnacle joint of the quiet pointer of cam angle are fixed; Cam angle moves the afterbody of pointer and camshaft is fixed.The utility model can realize that oscillating follower nose shape is convertible, cam angle is readable and oscillating follower angular displacement is readable.

Description

Cam with oscillating follower teaching aid
Technical field
The utility model belongs to teaching aid field, is specifically related to a kind of cam with oscillating follower teaching aid.
Background technology
" mechanical principle " is the basic course of mechanical major, has stronger theoretical property and practicality, and whether student learns directly impact design and practice from now on well.To the deep understanding of the cam with oscillating follower characteristics of motion premised on the angular displacement determining cam angle and cam follower.Teacher is by multimedia means in teaching process, and with animation explanation, but most of student can not understand the essence of cam angle completely, and student has listened and do not quite understood, and teaching efficiency is bad.In the epoch that the modern times impart knowledge to students with high-level efficiency, teaching aid just seems more important.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, provides a kind of cam with oscillating follower teaching aid, and this teaching aid can realize that oscillating follower nose shape is convertible, cam angle is readable and oscillating follower angular displacement is readable.
For achieving the above object, the utility model adopts following technical scheme:
The utility model comprises panel rack, fork bearing, motion fork, static fork, cam, cam base circle plate, handle, handle panel, camshaft, the first pinnacle joint, the second pinnacle joint, the quiet pointer of cam angle, cam angle move pointer, cam index dial and pivot angle index dial; Described panel rack is fixed on base; Described camshaft is bearing on panel rack by bearing; One end of camshaft and one end of handle panel are fixed, and the other end of handle panel is fixed with handle; Described cam and cam base circle plate are all fixed with the other end of camshaft; Described cam index dial is bonded on the outer face of cam base circle plate; Fork bearing is fixed on panel rack; Described motion fork and static fork are all hinged with fork bearing, and static fork is arranged on the top of fork bearing, and motion fork is arranged on the bottom of fork bearing; Described pivot angle index dial is bonded on panel rack, and is arranged between motion fork and panel rack; Afterbody and the motion fork of described first pinnacle joint removably connect, and head is connected by cam pair with cam; Afterbody and the static fork of described second pinnacle joint removably connect, and head is connected by cam pair with cam base circle plate; The quiet pointer of cam angle and cam angle move pointer and all arrange along the radial direction of cam base circle plate; Afterbody and the second pinnacle joint of the quiet pointer of described cam angle are fixed; The afterbody that described cam angle moves pointer is fixed on the central hole of camshaft head.
Described pivot angle index dial is fan-shaped.
The afterbody of the quiet pointer of described cam angle is connected with the quiet pointer mounting groove transition fit of the second pinnacle joint sidewall.
The afterbody that described cam angle moves pointer is provided with the connecting link with syringe needle place plane orthogonal, and connecting link embeds in the center pit of camshaft head.
Initial makeup location, the head cusp of the first pinnacle joint contacts with the lift starting point of cam, and cam angle moves the identical graduation that pointer and the quiet pointer of cam angle point to cam index dial.
The utility model can realize the innovative function that oscillating follower nose shape is convertible, cam angle is readable and oscillating follower angular displacement is readable, facilitates teaching, improves quality of instruction.
Accompanying drawing explanation
Fig. 1 is Facad structure stereographic map of the present utility model;
Fig. 2 is structure stereographic map of the present utility model;
Fig. 3 is the assembling stereogram of the utility model cam and the first pinnacle joint and cam base circle plate and the second pinnacle joint.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1,2 and 3, cam with oscillating follower teaching aid, comprises base 1, panel rack 2, fork bearing 3, fork bearing bearing pin 4, motion fork 5, static fork 6, cam 7, cam base circle plate 8, handle panel bearing pin 9, handle 10, handle panel 11, camshaft 12, first pinnacle joint 13, second pinnacle joint 13-1, the quiet pointer 14 of cam angle, cam angle moves pointer 15, wedge key 16, cam index dial 17 and pivot angle index dial 18; Panel rack 2 is fixed on base 1; Camshaft 12 is bearing on panel rack 2 by bearing; One end of camshaft 12 is connected by handle panel bearing pin 9 with one end of handle panel 11, and the other end of handle panel 11 is fixed with handle 10; Cam 7 is all connected by flat key with the other end of camshaft 12 with cam base circle plate 8, and cam base circle plate 8 is connected by wedge key 16 with camshaft 12, and wedge key 16 realizes the axial location of cam base circle plate 8; Inner face and the cam 7 of cam base circle plate 8 are fixed, and cam index dial 17 is bonded on the outer face of cam base circle plate 8; Fork bearing 3 is fixed on panel rack 2; Motion fork 5 and static fork 6 are all hinged by fork bearing bearing pin 4 and fork bearing 3, and static fork 6 is arranged on the top of fork bearing 3, and motion fork 5 is arranged on the bottom of fork bearing 3; Pivot angle index dial 18, in fan-shaped, be bonded on panel rack 2, and be arranged between motion fork 5 and panel rack 2; Afterbody and the motion fork 5 of the first pinnacle joint 13 removably connect, and head is connected by cam pair with cam 7; Afterbody and the static fork 6 of the second pinnacle joint 13-1 removably connect, and head is connected by cam pair with cam base circle plate 8; The quiet pointer 14 of cam angle and cam angle move pointer 15 and all arrange along the radial direction of cam base circle plate 8; The afterbody of the quiet pointer of cam angle 14 is connected with the quiet pointer mounting groove transition fit of the second pinnacle joint 13-1 sidewall; The afterbody that cam angle moves pointer 15 is provided with the connecting link with syringe needle place plane orthogonal, and connecting link embeds in the center pit of camshaft 12 head; Initial makeup location, the head cusp of the first pinnacle joint 13 contacts with the lift starting point of cam 7, cam angle moves the identical graduation that pointer 15 and the quiet pointer 14 of cam angle point to cam index dial 17, can read from cam index dial 17 corner that cam angle moves the quiet pointer 14 of pointer 15 opposing cam corner, thus determine the corner of cam base circle plate 8.
The principle of work of this cam with oscillating follower teaching aid:
Turning handle 10, rotates through handle panel 11 drive cam shaft 12, thus band moving cam 7 and cam base circle plate 8 rotate; Cam 7 rotates promotion first pinnacle joint 13 makes motion fork 5 swing, and static fork 6 does not move, cam angle quiet pointer 14 transfixion; Cam angle moves pointer 15 and rotates with cam base circle plate 8, can read the corner that cam angle moves the quiet pointer 14 of pointer 15 opposing cam corner, thus determine the corner of cam base circle plate 8 from cam index dial 17; The pivot angle of motion fork 5 geo-stationary fork 6 is read, i.e. the angular displacement of cam swings driven member from pivot angle index dial 18; The head position of cusp of the first pinnacle joint 13 is corresponding with the outline line of cam 7, now, pitch curve overlaps with cam cam profile, the outline line of cam base circle plate 8 is cam base circle, the pitch curve demonstrating pinnacle cam with oscillating follower overlaps with Real Contourline of Cam, and cam base circle knowledge point.
First pinnacle joint 13 and the second pinnacle joint 13-1 are all replaced by roller joint, the pitch curve of roller-oscillating follower cam mechanism and the difference of cam profile can be demonstrated, also can compare pinnacle cam with oscillating follower and the pitch curve of roller-oscillating follower cam mechanism under cam profile same case and the similarities and differences of cam profile.
First pinnacle joint 13 and the second pinnacle joint 13-1 are all replaced by flat joint, flat-face oscillation follower cam mechanism can be demonstrated.
This cam with oscillating follower teaching aid can realize the innovative function that oscillating follower nose shape is convertible, cam angle is readable and oscillating follower angular displacement is readable, cam 7 adopts manual actuation mode, demonstrate simple to operate, and be convenient to explain Cam Motion Principle knowledge point details.Classmates by this cam with oscillating follower teaching aid of viewing can vividly, vivid, understand knowledge point intuitively, arouse the interest in study, alleviate the teaching difficulty of teacher simultaneously, and improve quality of instruction.

Claims (5)

1. cam with oscillating follower teaching aid, comprise panel rack, fork bearing, motion fork, static fork, cam, cam base circle plate, handle, handle panel, camshaft, the first pinnacle joint, the second pinnacle joint, the quiet pointer of cam angle, cam angle move pointer, cam index dial and pivot angle index dial, it is characterized in that:
Described panel rack is fixed on base; Described camshaft is bearing on panel rack by bearing; One end of camshaft and one end of handle panel are fixed, and the other end of handle panel is fixed with handle; Described cam and cam base circle plate are all fixed with the other end of camshaft; Described cam index dial is bonded on the outer face of cam base circle plate; Fork bearing is fixed on panel rack; Described motion fork and static fork are all hinged with fork bearing, and static fork is arranged on the top of fork bearing, and motion fork is arranged on the bottom of fork bearing; Described pivot angle index dial is bonded on panel rack, and is arranged between motion fork and panel rack; Afterbody and the motion fork of described first pinnacle joint removably connect, and head is connected by cam pair with cam; Afterbody and the static fork of described second pinnacle joint removably connect, and head is connected by cam pair with cam base circle plate; The quiet pointer of cam angle and cam angle move pointer and all arrange along the radial direction of cam base circle plate; Afterbody and the second pinnacle joint of the quiet pointer of described cam angle are fixed; The afterbody that described cam angle moves pointer is fixed on the central hole of camshaft head.
2. cam with oscillating follower teaching aid according to claim 1, is characterized in that: described pivot angle index dial is fan-shaped.
3. cam with oscillating follower teaching aid according to claim 1, is characterized in that: the afterbody of the quiet pointer of described cam angle is connected with the quiet pointer mounting groove transition fit of the second pinnacle joint sidewall.
4. cam with oscillating follower teaching aid according to claim 1, is characterized in that: the afterbody that described cam angle moves pointer is provided with the connecting link with syringe needle place plane orthogonal, and connecting link embeds in the center pit of camshaft head.
5. cam with oscillating follower teaching aid according to claim 1, it is characterized in that: initial makeup location, the head cusp of the first pinnacle joint contacts with the lift starting point of cam, and cam angle moves the identical graduation that pointer and the quiet pointer of cam angle point to cam index dial.
CN201420541267.7U 2014-09-19 2014-09-19 Cam with oscillating follower teaching aid Expired - Fee Related CN204102453U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420541267.7U CN204102453U (en) 2014-09-19 2014-09-19 Cam with oscillating follower teaching aid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420541267.7U CN204102453U (en) 2014-09-19 2014-09-19 Cam with oscillating follower teaching aid

Publications (1)

Publication Number Publication Date
CN204102453U true CN204102453U (en) 2015-01-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420541267.7U Expired - Fee Related CN204102453U (en) 2014-09-19 2014-09-19 Cam with oscillating follower teaching aid

Country Status (1)

Country Link
CN (1) CN204102453U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111899627A (en) * 2020-06-02 2020-11-06 浙大城市学院 Multifunctional experimental teaching instrument of space cam mechanism
CN111899626A (en) * 2020-06-02 2020-11-06 浙大城市学院 Multifunctional experiment teaching instrument and experiment method for disc-shaped cam mechanism of oscillating follower

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111899627A (en) * 2020-06-02 2020-11-06 浙大城市学院 Multifunctional experimental teaching instrument of space cam mechanism
CN111899626A (en) * 2020-06-02 2020-11-06 浙大城市学院 Multifunctional experiment teaching instrument and experiment method for disc-shaped cam mechanism of oscillating follower
CN111899627B (en) * 2020-06-02 2022-04-12 浙大城市学院 Multifunctional experimental teaching instrument of space cam mechanism
CN111899626B (en) * 2020-06-02 2022-07-08 浙大城市学院 Multifunctional experiment teaching instrument and experiment method for disc-shaped cam mechanism of oscillating follower

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150114

Termination date: 20150919

EXPY Termination of patent right or utility model