CN204204317U - Disk cam mechanism exercise testing platform - Google Patents
Disk cam mechanism exercise testing platform Download PDFInfo
- Publication number
- CN204204317U CN204204317U CN201420640269.1U CN201420640269U CN204204317U CN 204204317 U CN204204317 U CN 204204317U CN 201420640269 U CN201420640269 U CN 201420640269U CN 204204317 U CN204204317 U CN 204204317U
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- CN
- China
- Prior art keywords
- driven shaft
- shaft
- end plate
- cam
- pen clip
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- 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.)
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Abstract
A kind of structure is simple, and cost is low, and volume is little, and cam is carried out to the disk cam mechanism exercise testing platform of design and analysis, optimization and test, comprise support body, support body is provided with main drive shaft, driven shaft I and driven shaft II; Main drive shaft is installed with hand-operated wheel, bevel gear I and spur gear I, driven shaft I is installed with spur gear II, driven shaft II lower end is installed with bevel gear II; On driven shaft I, a solid sheathed roll sleeve I, is provided with transmission shaft III, transmission shaft III is arranged with roll sleeve II admittedly directly over driven shaft I; Be respectively equipped with hand papercutter, drawing boards and winding shaft before and after two roll sleeves, winding shaft is tied with paper tape; Described transmission shaft II top is set with a cam, is installed with a pusher bar support on the right side of cam, and described pusher bar support is set with two push rods, and described push rod one end is installed with a roller; Two push rods are arranged with respectively a spring I, roller are leaned on cam; The other end of push rod is installed with a pen clip device.
Description
Technical field
The utility model relates to a kind of experimental provision being applied to classroom experiment teaching, the disk cam mechanism exercise testing platform of particularly a kind of relevant motion in order to study cam and the understanding to reversal process.
Background technology
At present, the cam mechanism experiment of most domestic universities and colleges is only confined to the Sequencing and analysis of kinematic parameter, is difficult to form can complete from design, the Comprehensive Experiment being worked into test required by cam innovative design.In addition, at the classroom teaching of a lot of colleges and universities, owing to lacking the related experiment of this mechanism, student is not ideal enough to the acquistion of concept such as the characteristics of motion, stroke, pressure angle of cam mechanism.The kind of now popular on the market " cam mechanism comprehensive experiment table " is also a lot, but structure is all identical substantially, and has the many shortcomings of self:
1) experimental provision heavier-weight, is generally about 50Kg; For these colleges and universities with regard to anxiety of instructional space, the space shared by experiment equipment is excessive.
2) instrument compare is expensive, and the cost buy, keep in repair, maintained is all very high.Contain the elements such as polytype sensor, observing and controlling case, computing machine due to experimental apparatus, cause holding at high price of instrument entirety.
3) existing cam experiment table on market, structure is single, and parameter is fixed, and can only be used for qualitative analysis and demonstration.
4) colleges and universities had, in order to reduce costs, adopt software to simulate completely, although relatively more accurate, make the content of courses dry and astringent stiff, student is difficult to realize the enjoyment of starting to test.
Summary of the invention
In order to solve the problems referred to above that existing experiment table exists, the utility model to provide a kind of disk cam mechanism exercise testing platform, and this experiment table can carry out the kinematic parameter Sequencing and analysis of variable cam parameter, thus complete relevant comprehensive type experiment.
Technical solution of the present utility model is:
A kind of disk cam mechanism exercise testing platform, comprise support body, base plate is provided with bottom described support body, base plate is vertically installed with end plate I, middle riser and end plate II successively, described end plate I and middle riser are installed with cover plate, its special character is: be provided with main drive shaft between end plate I and middle riser, and be provided with driven shaft I between end plate I and end plate II and pass middle riser, cover plate is provided with driven shaft II; Described main drive shaft is installed with bevel gear I and spur gear I, driven shaft I is installed with intermeshing spur gear II, the driven shaft II lower end with spur gear I and is installed with the intermeshing bevel gear II with bevel gear I; The exit of main drive shaft is installed with a hand-operated wheel; On the driven shaft I in middle riser and end plate II interval, a solid sheathed roll sleeve I, is provided with transmission shaft III directly over corresponding driven shaft I between described middle riser and end plate II, transmission shaft III is arranged with admittedly a roll sleeve II, described roll sleeve I and roll sleeve II close contact; Be provided with a hand papercutter before described roll sleeve I and roll sleeve II, be respectively equipped with a drawing boards and a winding shaft from front to back below, winding shaft is tied with paper tape; Described transmission shaft II top is provided with screw thread, and transmission shaft II top is set with a cam, and is fastened on described transmission shaft II by upper and lower two nuts by cam; On the cover board be positioned on the right side of cam and be installed with a pusher bar support, described pusher bar support is provided with two through holes, is set with two push rods in two through holes, and described push rod is installed with a rolling wheel support near cam end, is provided with a roller in rolling wheel support; Two push rods between described rolling wheel support and pusher bar support are arranged with a spring I respectively, roller are leaned on cam; The other end of described push rod is installed with a pen clip device.
Described pen clip device comprises pen clip device body, described pen clip device body central is provided with the through hole of an above-below direction, the pen clip pipe that a upper end is boss-shaped, lower end is provided with cross open is fitted with in through hole, described pen clip pipe bottom is provided with screw thread and is arranged with spring II, and is locked by spring II by the nut be arranged on pen clip pipe.
Be arranged in both ends of main drive shaft, driven shaft I two ends, driven shaft II axle body, driven shaft III two ends are respectively arranged with that bearing is installed on end plate I and riser, on end plate I and end plate II, on cover plate, on riser and end plate II.
The beneficial effects of the utility model are: structure is simple, cost is low, volume is little, lightweight, be easy to carry, can to the design of disc cam, analyze, optimize and test and carry out a series of comprehensive experiment, utilize simple and reliable physical construction, output pushrod movement law curve that just can be real-time, pitch curve and the cam profile also confirmation mutually of cam can be obtained with " reversal process " by this curve, deepen student to strengthening student to cam follower, stroke, the cognition of the key concepts such as pressure angle and understanding, the most important thing is can deepen student to this important mastery of knowledge degree of diagram cam profile.By replacing different cams, can realize the flat push rod disc cam of heart direct acting, simulate the characteristics of motion of the multiple cams such as heart direct acting pinnacle push rod disc cam, biased direct acting pinnacle push rod disc cam, extendability is strong.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A cut-open view of Fig. 1;
Fig. 3 is the structural representation of pen clip pipe in Fig. 1;
Fig. 4 is the B direction view of Fig. 3.
In figure: 1-support body, 2-main drive shaft, 3-driven shaft I, 4-driven shaft II, 5-bevel gear I, 6-spur gear I, 7-spur gear II, 8-bevel gear II, 9-hand-operated wheel, 10-roll sleeve I, 11-driven shaft III, 12-roll sleeve II, 13-hand papercutter, 14-drawing boards, 15-winding shaft, 16-cam, the frame of 17-push rod, 18-push rod, 19-rolling wheel support, 20-roller, 21-spring I, 22-pen clip device, 23-bearing, 24-paper tape, 101-end plate I, riser in 102-, 103-end plate II, 104-cover plate, 105-base plate, 2201-pen clip device body, 2202-pen clip pipe, 2203-spring II.
Embodiment
As shown in the figure, a kind of disk cam mechanism exercise testing platform, comprise support body 1, base plate 105 is provided with bottom described support body 1, base plate is vertically installed with end plate I101, middle riser 102 and end plate II103 successively, described end plate I101 and middle riser 102 is installed with cover plate 104, between end plate I101 and middle riser 102, is provided with main drive shaft 2, be provided with driven shaft I3 between end plate I101 and end plate II103 and pass middle riser 102, cover plate 104 is provided with driven shaft II4; Described main drive shaft 2 is installed with bevel gear I5 and spur gear I6, driven shaft I3 is installed with intermeshing spur gear II7, the driven shaft II4 lower end with spur gear I6 and is installed with the intermeshing bevel gear II8 with bevel gear I5; The exit of main drive shaft 2 is installed with a hand-operated wheel 9; A solid sheathed roll sleeve I10 on driven shaft I3 between middle riser 102 and end plate II103, transmission shaft III11 is provided with directly over corresponding driven shaft I3 between described middle riser 102 and end plate II103, transmission shaft III is arranged with admittedly a roll sleeve II12, described roll sleeve I10 and roll sleeve II12 close contact; Be provided with a hand papercutter 13 before described roll sleeve I10 and roll sleeve II12, be respectively equipped with a drawing boards 14 and a winding shaft 15 from front to back below, winding shaft is tied with paper tape 24; Described driven shaft II4 top is provided with screw thread, and driven shaft II top is set with a cam 16, and is fastened on described driven shaft II4 by upper and lower two nuts by cam 16; Cover plate 104 is positioned on the right side of cam 16 and is installed with a pusher bar support 17 by bolt, described pusher bar support 17 is provided with two through holes, two push rods 18 are set with in two through holes, described push rod 18 is installed with a rolling wheel support 19 near cam 16 end, is provided with a roller 20 in rolling wheel support; Two push rods 18 between described rolling wheel support 19 and pusher bar support 17 are arranged with a spring I21 respectively, roller 20 are leaned on cam 16; The other end of described push rod 18 is installed with a pen clip device 22.Described pen clip device 22 comprises pen clip device body 2201, described pen clip device body 2201 center is provided with the through hole of an above-below direction, the pen clip pipe 2202 that a upper end is boss-shaped, lower end is provided with cross open is fitted with in through hole, described pen clip pipe 2202 bottom is provided with screw thread and is arranged with spring II2203, and is locked by spring II2203 by the nut be arranged on pen clip pipe.Be arranged in main drive shaft 2 two ends, driven shaft I3 two ends, driven shaft II4 axle body, driven shaft III11 two ends are respectively arranged with that bearing 23 to be installed on end plate I102 and riser 102, on end plate I101 and end plate II103, on cover plate 104, on riser 102 and end plate II103.
During operation, first paper tape 24 is walked around above drawing boards 14 and fill between two roll sleeves, and rotate hand-operated wheel 9 paper tape 24 is drawn; Again the pencil that is cut is fixed on pen clip pipe 2202, rotates hand-operated wheel 9, cause bevel gear I5 transmission, thus drive the motion of cam mechanism.While camming movement, push rod 18 can be promoted move reciprocatingly, the pencil fixed in push rod 18 front end also can do thereupon push rod shaft to to-and-fro movement, and the spur gear I6 on main drive shaft 2 drives two roll sleeves to rotate, roll sleeve drives paper tape 24, make paper along perpendicular to push rod shaft to direction move, thus on paper, draw characteristics of motion curve.After completing, stop operating hand-operated wheel 9, presses the handle of hand papercutter 13, taken off by the drawing of output.
Claims (3)
1. a disk cam mechanism exercise testing platform, comprise support body, base plate is provided with bottom described support body, base plate is vertically installed with end plate I, middle riser and end plate II successively, described end plate I and middle riser are installed with cover plate, it is characterized in that: be provided with main drive shaft between end plate I and middle riser, be provided with driven shaft I between end plate I and end plate II and pass middle riser, cover plate is provided with driven shaft II; Described main drive shaft is installed with bevel gear I and spur gear I, driven shaft I is installed with intermeshing spur gear II, the driven shaft II lower end with spur gear I and is installed with the intermeshing bevel gear II with bevel gear I; The exit of main drive shaft is installed with a hand-operated wheel; On the driven shaft I in middle riser and end plate II interval, a solid sheathed roll sleeve I, is provided with transmission shaft III directly over corresponding driven shaft I between described middle riser and end plate II, transmission shaft III is arranged with admittedly a roll sleeve II, described roll sleeve I and roll sleeve II close contact; Be provided with a hand papercutter before described roll sleeve I and roll sleeve II, be respectively equipped with a drawing boards and a winding shaft from front to back below, winding shaft is tied with paper tape; Described transmission shaft II top is provided with screw thread, and transmission shaft II top is set with a cam, and is fastened on described transmission shaft II by upper and lower two nuts by cam; On the cover board be positioned on the right side of cam and be installed with a pusher bar support, described pusher bar support is provided with two through holes, is set with two push rods in two through holes, and described push rod one end is installed with a rolling wheel support, is provided with a roller in rolling wheel support; Two push rods between described rolling wheel support and pusher bar support are arranged with a spring I respectively, roller are leaned on cam; The other end of described push rod is installed with a pen clip device.
2. disk cam mechanism exercise testing platform according to claim 1, it is characterized in that: described pen clip device comprises pen clip device body, described pen clip device body central is provided with the through hole of an above-below direction, the pen clip pipe that a upper end is boss-shaped, lower end is provided with cross open is fitted with in through hole, described pen clip pipe bottom is provided with screw thread and is arranged with spring II, and is locked by spring II by the nut be arranged on pen clip pipe.
3. disk cam mechanism exercise testing platform according to claim 1, is characterized in that: be arranged in both ends of main drive shaft, driven shaft I two ends, driven shaft II axle body, driven shaft III two ends are respectively arranged with that bearing is installed on end plate I and riser, on end plate I and end plate II, on cover plate, on riser and end plate II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420640269.1U CN204204317U (en) | 2014-10-31 | 2014-10-31 | Disk cam mechanism exercise testing platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420640269.1U CN204204317U (en) | 2014-10-31 | 2014-10-31 | Disk cam mechanism exercise testing platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204204317U true CN204204317U (en) | 2015-03-11 |
Family
ID=52662252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420640269.1U Expired - Fee Related CN204204317U (en) | 2014-10-31 | 2014-10-31 | Disk cam mechanism exercise testing platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204204317U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108159509A (en) * | 2017-12-26 | 2018-06-15 | 西安交通大学口腔医院 | A kind of automation sputum aspirator |
-
2014
- 2014-10-31 CN CN201420640269.1U patent/CN204204317U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108159509A (en) * | 2017-12-26 | 2018-06-15 | 西安交通大学口腔医院 | A kind of automation sputum aspirator |
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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: 20150311 Termination date: 20161031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |