CN204650899U - The teaching aid of demonstration follower motion, reversal process and cam profile graphical method - Google Patents
The teaching aid of demonstration follower motion, reversal process and cam profile graphical method Download PDFInfo
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- CN204650899U CN204650899U CN201520373759.4U CN201520373759U CN204650899U CN 204650899 U CN204650899 U CN 204650899U CN 201520373759 U CN201520373759 U CN 201520373759U CN 204650899 U CN204650899 U CN 204650899U
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- cam
- pinnacle push
- push rod
- pinnacle
- direct acting
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Abstract
The utility model relates to a kind of teaching aid demonstrating follower motion, reversal process and cam profile graphical method, comprises direct acting pinnacle push cam (1), rolling disc (2), direct acting pinnacle push rod (3), spring (31), direct acting pinnacle push rod stator (4), frame (5), rolling disc handle (6), cam handle (7); Direct acting pinnacle push cam (1) is connected with cam handle (7), rolling disc (2) is connected with rolling disc handle (6), and direct acting pinnacle push rod (3) is stretched in the side on direct acting pinnacle push cam (1); Direct acting pinnacle push cam (1) is provided with point radius groove (13), biased circles tangent line (14) such as basic circle groove (11), biased circle groove (12), basic circle; Direct acting pinnacle push rod displacement groove (22) is carved with on the right side of rolling disc (2).The utility model effectively can improve teaching efficiency, compensate for the vacancy of existing cam teaching aid.
Description
Technical field
The utility model belongs to mechanical motion and shows teaching aid technical field, particularly a kind of teaching aid demonstrating follower motion, reversal process and cam profile graphical method.
Background technology
In the teaching carrying out " mechanical principle " course, the heavy difficult point of cam mechanism part comprises the characteristics of motion of driven member and designs cam profile curve with reversal process.But current cam teaching aid can only demonstrate the motion of cam follower simply, design parameter during cam running cannot observe directly, and the classroom adaptability of teaching aid cannot be embodied.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of teaching aid demonstrating follower motion, reversal process and cam profile graphical method, facilitates student to the intuitivism apprehension of cam mechanism theory and design.
To achieve these goals, the technical solution of the utility model is as follows: a kind of teaching aid demonstrating follower motion, reversal process and cam profile graphical method, comprises direct acting pinnacle push cam, rolling disc, direct acting pinnacle push rod, spring, direct acting pinnacle push rod stator, frame, rolling disc handle, cam handle; Direct acting pinnacle push cam is removably connected with cam handle, rolling disc is removably connected with rolling disc handle, direct acting pinnacle push rod stator is removably mounted on rolling disc, and direct acting pinnacle push rod is flexiblely stretched in the side of direct acting pinnacle push cam by spring and direct acting pinnacle push rod stator; Direct acting pinnacle push cam is provided with basic circle groove, biased point radius groove such as circle groove, basic circle etc., biased circle tangent line; Direct acting pinnacle push rod displacement groove is carved with on the right side of rolling disc.
As further technical scheme, described teaching aid comprises swing pinnacle push cam, swings pinnacle push rod stator, swings pinnacle push rod; Swing pinnacle push cam can be connected with rolling disc handle or unload from rolling disc handle; Swing pinnacle push rod stator can be fixed on rolling disc or from rolling disc and unload; The top swinging pinnacle push rod is movably connected in and swings on the push rod stator of pinnacle; When swing pinnacle push cam is connected with rolling disc handle, swings pinnacle push rod stator be fixed on rolling disc time, the bottom of swing pinnacle push rod and the contact aside of swing pinnacle push cam; The left side of rolling disc is carved with and is swung pinnacle push rod pivot angle groove.
The utility model has Stability Analysis of Structures, the advantage of practical function, direct acting pinnacle push cam, swing pinnacle push cam, groove on rolling disc, make direct acting pinnacle push cam, the characteristics of motion of the angle that swing pinnacle push cam turns over and driven member can be surveyed, direct acting pinnacle push cam, the turned position relation swinging pinnacle push cam and driven member is clearly shown by groove, by changing cam and driven member, the characteristics of motion and the cam profile design of straight push and swing bar can be demonstrated, effectively can improve teaching efficiency, compensate for the vacancy of existing cam teaching aid.
Accompanying drawing explanation
Structural representation when Fig. 1 is the pushrod movement rule of the utility model demonstration direct acting pinnacle push cam;
Fig. 2 is the lateral plan of Fig. 1;
Fig. 3 be the utility model demonstration reversal process and cam profile graphical method time structural representation;
Fig. 4 is the groove schematic diagram of the utility model direct acting pinnacle push cam;
Fig. 5 is the structural representation of rolling disc of the present utility model;
Structural representation when Fig. 6 is the pushrod movement rule of the utility model demonstration swing pinnacle push cam.
In figure: the push cam of 1-direct acting pinnacle, 11-basic circle groove, 12-biased circle groove, point radius groove such as 13-basic circle, 14-biased circle tangent line, 2-rolling disc, 21-swings pinnacle push rod pivot angle groove, 22-direct acting pinnacle push rod displacement groove, 3-direct acting pinnacle push rod, 31-spring, 4-direct acting pinnacle push rod stator, 5-frame, 6-rolling disc handle, 7-cam handle, 8-swings pinnacle push cam, 9-swings pinnacle push rod stator, and 10-swings pinnacle push rod.
Embodiment
Embodiment 1
As shown in Fig. 1 ~ 5, the teaching aid of demonstration follower motion, reversal process and cam profile graphical method comprises direct acting pinnacle push cam 1, rolling disc 2, direct acting pinnacle push rod 3, spring 31, direct acting pinnacle push rod stator 4, rolling disc handle 6, cam handle 7, and all parts are all installed in frame 5.Direct acting pinnacle push cam 1 is removably connected with cam handle 7, rolling disc 2 is removably connected with rolling disc handle 6, direct acting pinnacle push rod stator 4 is removably mounted on rolling disc 2, and direct acting pinnacle push rod 3 is flexiblely stretched in the side of direct acting pinnacle push cam 1 by spring 31 and direct acting pinnacle push rod stator 4; Direct acting pinnacle push cam 1 is provided with point radius groove 13, the biased circle tangent line 14 such as basic circle groove 11, biased circle groove 12, basic circle; Direct acting pinnacle push rod displacement groove 22 is carved with on the right side of rolling disc 2.
First fixed by rolling disc 2, oscillating cam handle 7, direct acting pinnacle push cam 1 starts to rotate.The angle that adjustment cam handle 7 turns over, make the biased round tangent line 14 in direct acting pinnacle push cam 1 and direct acting pinnacle push rod 3 conllinear, when direct acting pinnacle push cam 1 is rotated, the displacement of direct acting pinnacle push rod 3 reads by the direct acting pinnacle push rod displacement groove 22 on the right side of rolling disc 2, the angle that direct acting pinnacle push cam 1 turns over is read by point radius grooves 13 such as the basic circles in direct acting pinnacle push cam 1, take angle as horizontal ordinate parameter, displacement is ordinate parameter, demonstration pushrod movement of can mapping rule.In figure 3, direct acting pinnacle push cam 1 is fixed, and shake rolling disc handle 6, drives rolling disc 2 to rotate, coordinate 4 kinds of grooves in direct acting pinnacle push cam 1, can to student explain direct acting pinnacle push cam reversal process principle and cam profile graphical method.
As shown in Figure 6, after direct acting pinnacle push cam 1, direct acting pinnacle push rod 3, spring 31, direct acting pinnacle push rod stator 4 are unloaded, frame 5 installed and swings pinnacle push cam 8, swing pinnacle push rod stator 9, swing pinnacle push rod 10; Swing pinnacle push cam 8 can be connected with rolling disc handle 6 or unload from rolling disc handle 6; Swing pinnacle push rod stator 9 can be fixed on rolling disc 2 or from rolling disc 2 and unload; The top swinging pinnacle push rod 10 is movably connected in and swings on pinnacle push rod stator 9; When swing pinnacle push cam 8 be connected with rolling disc handle 6, swings pinnacle push rod stator 9 be fixed on rolling disc 2 time, swing the bottom of pinnacle push rod 10 and the contact aside of swing pinnacle push cam 8; The left side of rolling disc 2 is carved with and is swung pinnacle push rod pivot angle groove 21.Swing pinnacle push rod pivot angle groove 21 for swinging pinnacle push cam 8 and swinging deflection angle measurement when pinnacle push rod 10 does relative motion.Fixing rolling disc 2, oscillating cam handle 7, can demonstrate the characteristics of motion swinging pinnacle push rod 10.Fixing swing pinnacle push cam 8, shake rolling disc handle 6, can demonstrate the reversal process and line drawing solution that swing pinnacle push cam.
Claims (2)
1. demonstrate a teaching aid for follower motion, reversal process and cam profile graphical method, it is characterized in that: comprise direct acting pinnacle push cam (1), rolling disc (2), direct acting pinnacle push rod (3), spring (31), direct acting pinnacle push rod stator (4), frame (5), rolling disc handle (6), cam handle (7); Direct acting pinnacle push cam (1) is removably connected with cam handle (7), rolling disc (2) is removably connected with rolling disc handle (6), direct acting pinnacle push rod stator (4) is removably mounted on rolling disc (2), and direct acting pinnacle push rod (3) is flexiblely stretched in the side on direct acting pinnacle push cam (1) by spring (31) and direct acting pinnacle push rod stator (4); Direct acting pinnacle push cam (1) is provided with point radius groove (13), biased circles tangent line (14) such as basic circle groove (11), biased circle groove (12), basic circle; Direct acting pinnacle push rod displacement groove (22) is carved with on the right side of rolling disc (2).
2. demonstrate the teaching aid of follower motion, reversal process and cam profile graphical method as claimed in claim 1, it is characterized in that: described teaching aid comprises and swings pinnacle push cam (8), swings pinnacle push rod stator (9), swings pinnacle push rod (10); Swing pinnacle push cam (8) can be connected with rolling disc handle (6) or unload from rolling disc handle (6); Swing pinnacle push rod stator (9) can be fixed on rolling disc (2) or unload from rolling disc (2); The top swinging pinnacle push rod (10) is movably connected in and swings on pinnacle push rod stator (9); When swing pinnacle push cam (8) is connected with rolling disc handle (6), swings pinnacle push rod stator (9) be fixed on rolling disc (2) upper time, the bottom of swing pinnacle push rod (10) and the contact aside of swing pinnacle push cam (8); The left side of rolling disc (2) is carved with and is swung pinnacle push rod pivot angle groove (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520373759.4U CN204650899U (en) | 2015-05-27 | 2015-05-27 | The teaching aid of demonstration follower motion, reversal process and cam profile graphical method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520373759.4U CN204650899U (en) | 2015-05-27 | 2015-05-27 | The teaching aid of demonstration follower motion, reversal process and cam profile graphical method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204650899U true CN204650899U (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520373759.4U Expired - Fee Related CN204650899U (en) | 2015-05-27 | 2015-05-27 | The teaching aid of demonstration follower motion, reversal process and cam profile graphical method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204650899U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111243418A (en) * | 2020-02-26 | 2020-06-05 | 浙江大学城市学院 | Experiment teaching instrument and experiment method for demonstrating design of disc-shaped cam profile by reversal method |
| 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 |
-
2015
- 2015-05-27 CN CN201520373759.4U patent/CN204650899U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111243418A (en) * | 2020-02-26 | 2020-06-05 | 浙江大学城市学院 | Experiment teaching instrument and experiment method for demonstrating design of disc-shaped cam profile by reversal method |
| CN111243418B (en) * | 2020-02-26 | 2022-02-01 | 浙江大学城市学院 | Experiment teaching instrument and experiment method for demonstrating design of disc-shaped cam profile by reversal method |
| 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 |
| 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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Legal Events
| 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: 20150916 Termination date: 20160527 |