CN104330013B - Apparatus for measuring pressure angle of cam by using double rollers to automatically searching for normal line - Google Patents
Apparatus for measuring pressure angle of cam by using double rollers to automatically searching for normal line Download PDFInfo
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- CN104330013B CN104330013B CN201410475053.9A CN201410475053A CN104330013B CN 104330013 B CN104330013 B CN 104330013B CN 201410475053 A CN201410475053 A CN 201410475053A CN 104330013 B CN104330013 B CN 104330013B
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- cam
- pressure angle
- pointer
- roller
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses an apparatus for measuring the pressure angle of a cam by using double rollers to automatically searching for a normal line. The apparatus comprises a frame, a follower mechanism, the cam and a pressure angle measuring mechanism. According to the invention, the pressure angles of disc-form cams with any contours can be rapidly and accurately measured, the size of the pressure angels of the contours of the cams can be displayed in real time, the size and the position of the maximum pressure angle can be accurately found, and by using the apparatus, students can parse the pressure angles and can also have a better understanding of the concept of the pressure angles.
Description
Technical field
The invention belongs to a kind of teaching aid is and in particular to a kind of dress at double roller Automatic-searching normal measure cammed compression angle
Put.
Background technology
Learn for classmates《Theory of mechanics》Time-consuming painstakingly, concept is unclear, the present situation of inefficiency, and we analyse in depth
About the relevant difficult point of theory of mechanics, just《Theory of mechanics》In《Cam mechanism and its design》The design of this chapter is a relevant convex
The teaching aid of wheel, teacher can be used as teaching aid with it, explanation about cam portion theory of mechanics class knowledge it is also possible to be used for
As experiment appliance it is intended to allow classmates more easily to learn《Theory of mechanics》This subject, deepens the reason to corresponding knowledge point
Solution and grasping, allow learning process to become truly can to feel, image intereting, save the quality time of classmates, improve learning efficiency.
Content of the invention
The present invention is directed to the deficiencies in the prior art it is proposed that a kind of double roller Automatic-searching normal measure cammed compression angle
Device.
A kind of device at present invention double roller Automatic-searching normal measure cammed compression angle, including frame, driven member mechanism,
Cam and pressure angle measuring mechanism.
Described frame is made up of one piece of base plate, header board.Header board is vertically fixed on base plate.
Described driven member mechanism includes a fixing slide block, free line slideway, a fixed plate；
Described fixing slide block is fixedly installed in fixed plate, and described fixed plate is fixedly installed on header board.Free straight line
Guide rail is connected with fixing slide block, and the lower end of free line slideway is fixedly installed by connector with pressure angle measuring mechanism.
Described cam has a stopper slot along outline；Cam pass through central shaft fixed front plate on, cam can around in
Heart axle rotates freely.
Described pressure angle measuring mechanism includes connector, graduated disc, dynamic roller, determines roller, real-time pointer, maximum pressure
Angle pointer, big axle and little axle；
Described big axle is fixedly connected with connector, determines roller and is arranged on big axle, and described graduated disc is semicircle, and
It is fixedly connected with big axle, graduated disc is sequentially arranged above maximum pressure angle pointer and real-time pointer, the length of real-time pointer is more than
Equal to the length of maximum pressure angle pointer, the fixing end of maximum pressure angle pointer is connected with big axle interference, maximum pressure angle pointer
End be provided with one raised, real-time pointer has a through hole, real-time pointer is flexibly connected with big axle, in real time by this through hole
The end of pointer is fixedly connected with one end of little axle, the dynamic roller of other end setting one of little axle, and dynamic roller is arranged on the limit of cam
In the groove of position, the outer surface determining roller with cam is adjacent to, and described dynamic roller and the minimum range determining roller surface are the cam upper limit
The beeline of the outline of position groove and cam.
Beneficial effect：The present invention can fast and accurately measure the pressure angle of the disc cam of any profile.Can show in real time
Show the size of the pressure angle on cam contour, and can accurately find size and the position of maximum pressure angle, both can help learn
Raw parsing pressure angle, can help student to understand the concept of pressure angle again.
Brief description
Fig. 1 is the front view of the present invention；
Fig. 2 measures the axonometric drawing of pressure angle mechanism for the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings the embodiment of the present invention is elaborated.
As shown in Figure 1 and Figure 2, a kind of device at double roller of present invention Automatic-searching normal measure cammed compression angle includes machine
Frame, driven member mechanism, cam 14 and pressure angle measuring mechanism.
Described frame is made up of one piece of base plate 1, header board 2.Header board is vertically fixed on base plate.
Described driven member mechanism includes fixing 5, free 4, fixed plate 3 of line slideway of slide block；
Described fixing slide block 5 is fixedly installed in fixed plate 3, and described fixed plate 3 is fixedly installed on header board 2.Freely
Line slideway 4 is connected with fixing slide block 5, and connector 11 is passed through with pressure angle measuring mechanism in the lower end of free line slideway 4
It is fixedly installed.
Described cam 14 has a stopper slot along outline；Cam passes through in central shaft fixed front plate, and cam can be around
Central shaft rotates freely.
Described pressure angle measuring mechanism include connector 11, graduated disc 9, dynamic roller 13, determine roller 12, real-time pointer 8,
Maximum pressure angle pointer 10, big axle 7 and little axle 6；
Described big axle 7 is fixedly connected with connector 11, determines roller 12 and is arranged on big axle 7, and described graduated disc 9 is half
Circle, and be fixedly connected with big axle 7, graduated disc 9 is sequentially arranged above maximum pressure angle pointer 10 and real-time pointer 8, refers in real time
The length of pin 8 is more than or equal to the length of maximum pressure angle pointer 10, and the fixing end of maximum pressure angle pointer 10 is with big axle 7 interference even
Connect, the end of maximum pressure angle pointer 10 is provided with a projection, and real-time pointer 8 has a through hole, and real-time pointer 8 passes through this and leads to
Kong Yu great axle 7 is flexibly connected, and the end of real-time pointer 8 is fixedly connected with one end of little axle 6, and the other end setting one of little axle 6 is moved
Roller 13, dynamic roller 13 is arranged in the stopper slot of cam 14, and the outer surface determining roller 12 with cam is adjacent to, described dynamic roller
The beeline that 13 is cam 14 upper limit position groove and the outline of cam with the minimum range determining roller 12 surface.
The specific work process of the present invention
1. the cam 14 of model needed for choosing, dress on center shaft, makes roller 13 go deep into stopper slot at cam 14 profile
In and tangent with the side of the outer side of stopper slot, it is tangent with cam 14 outline to make to determine roller 12, reaches dynamic roller 13 and rolls with fixed
Son 12 just clamps the purpose of the cam edge bossing between cam 14 outline and stopper slot；
2. cam 14 is enclosed around central axis one；
4. observe the swing situation of real-time pointer 8, read the change of real-time pressure angle in graduated disc 9, finally observe maximum pressure
Power angle pointer 10 rests on the position on graduated disc 9 and reads maximum pressure angle from graduated disc 9.
Claims (1)
1. a kind of device at double roller Automatic-searching normal measure cammed compression angle, including frame, driven member mechanism, cam and pressure
Power angular measurement mechanism；
It is characterized in that：Described frame is made up of one piece of base plate, header board；Header board is vertically fixed on base plate；
Described driven member mechanism includes a fixing slide block, free line slideway, a fixed plate；
Described fixing slide block is fixedly installed in fixed plate, and described fixed plate is fixedly installed on header board；Free line slideway
It is connected with fixing slide block, the lower end of free line slideway is fixedly installed by connector with pressure angle measuring mechanism；
Described cam has a stopper slot along outline；Cam passes through in central shaft fixed front plate, and cam can be around central shaft
Rotate freely；
Described pressure angle measuring mechanism include connector, graduated disc, dynamic roller, determine roller, real-time pointer, maximum pressure angle refer to
Pin, big axle and little axle；
Described big axle is fixedly connected with connector, determines roller and is arranged on big axle, and described graduated disc is semicircle, and with big
Axle is fixedly connected, and graduated disc is sequentially arranged above maximum pressure angle pointer and real-time pointer, and the length of real-time pointer is more than or equal to
The length of maximum pressure angle pointer, the fixing end of maximum pressure angle pointer is connected with big axle interference, the end of maximum pressure angle pointer
End is provided with a projection, real-time pointer has a through hole, real-time pointer is flexibly connected with big axle by this through hole, real-time pointer
End be fixedly connected with one end of little axle, the dynamic roller of the other end of little axle setting one, dynamic roller is arranged on the stopper slot of cam
Interior, the outer surface determining roller with cam is adjacent to, and described dynamic roller and the minimum range determining roller surface are cam upper limit position groove
Beeline with the outline of cam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410475053.9A CN104330013B (en) | 2014-09-17 | 2014-09-17 | Apparatus for measuring pressure angle of cam by using double rollers to automatically searching for normal line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410475053.9A CN104330013B (en) | 2014-09-17 | 2014-09-17 | Apparatus for measuring pressure angle of cam by using double rollers to automatically searching for normal line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104330013A CN104330013A (en) | 2015-02-04 |
| CN104330013B true CN104330013B (en) | 2017-02-15 |
Family
ID=52404785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410475053.9A Expired - Fee Related CN104330013B (en) | 2014-09-17 | 2014-09-17 | Apparatus for measuring pressure angle of cam by using double rollers to automatically searching for normal line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104330013B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2821543A1 (en) * | 1977-05-18 | 1978-12-07 | Koolaj Gazipari Tervezo | APPARATUS FOR PERCEIVING THE EXTENT OF ROTATION IN THE EVENT OF A ROTATING PART OF A MOVING OR. A MOVEMENT TRANSFERRING MECHANISM |
| CN202942634U (en) * | 2012-06-25 | 2013-05-22 | 杭州电子科技大学 | Mechanical multiplying unit |
| CN103591134A (en) * | 2012-08-14 | 2014-02-19 | 常州市江南减速机有限公司 | Double-roller bearing |
| CN204100977U (en) * | 2014-09-17 | 2015-01-14 | 杭州电子科技大学 | The device at two roller Automatic-searching normal measure cammed compression angle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0980284A (en) * | 1995-09-08 | 1997-03-28 | Sanyo Electric Co Ltd | Origin position detecting device for sunlight lighting device |
-
2014
- 2014-09-17 CN CN201410475053.9A patent/CN104330013B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2821543A1 (en) * | 1977-05-18 | 1978-12-07 | Koolaj Gazipari Tervezo | APPARATUS FOR PERCEIVING THE EXTENT OF ROTATION IN THE EVENT OF A ROTATING PART OF A MOVING OR. A MOVEMENT TRANSFERRING MECHANISM |
| CN202942634U (en) * | 2012-06-25 | 2013-05-22 | 杭州电子科技大学 | Mechanical multiplying unit |
| CN103591134A (en) * | 2012-08-14 | 2014-02-19 | 常州市江南减速机有限公司 | Double-roller bearing |
| CN204100977U (en) * | 2014-09-17 | 2015-01-14 | 杭州电子科技大学 | The device at two roller Automatic-searching normal measure cammed compression angle |
Non-Patent Citations (1)
| Title |
|---|
| 新型滚子从动件盘形凸轮机构的压力角公式推导;杨富富等;《机械传动》;20090531;第44-47页 * |
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| Publication number | Publication date |
|---|---|
| CN104330013A (en) | 2015-02-04 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20170215 Termination date: 20180917 |
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| CF01 | Termination of patent right due to non-payment of annual fee |