CN203870896U - Cam movement demonstration instrument - Google Patents
Cam movement demonstration instrument Download PDFInfo
- Publication number
- CN203870896U CN203870896U CN201420280943.XU CN201420280943U CN203870896U CN 203870896 U CN203870896 U CN 203870896U CN 201420280943 U CN201420280943 U CN 201420280943U CN 203870896 U CN203870896 U CN 203870896U
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- China
- Prior art keywords
- drive shaft
- main drive
- hydraulic tube
- cam
- substrate
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- Withdrawn - After Issue
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Abstract
A cam movement demonstration instrument comprises a driving shaft. The middle portion of the driving shaft is installed to a vertically-arranged baseboard through two parallely-arranged deep groove ball bearings. The driving shaft, at one side of the baseboard, is provided with a long-strip key groove. The driving shaft is provided with a driving gear through a sliding key arranged in the long-strip key groove. The baseboard is provided with a driven shaft which is arranged parallelly to the driving shaft. The driven shaft is provided with a driven gear matched with the driving gear. The cam movement demonstration instrument is reasonable in structure design, so that on one hand, the demonstration instrument can demonstrate the structure and movement principle of a cam mechanism, and on the other hand, by combining the gear, rack drive and fluid drive, the demonstration instrument can demonstrate and generate a cam movement travel curve, that is, a curve describing the relationship between the rotation angle of the cam and the travel of the driven member, thereby enabling students to further understand the motion characteristics of the cam mechanism and helping the students to understand and grasp the movement principle of the cam; and besides, the cam movement demonstration instrument can also demonstrate and generate a cam profile curve, and the teaching effect can be improved effectively.
Description
Technical field:
The utility model relates to a kind of camming movement demonstrator.
Background technology:
Cam mechanism is a very important part in " mechanical principle " course, also be the common mechanism of mechanical field, nowadays teacher is in the time teaching this part knowledge to student, the for want of relevant teaching aid of ocular demonstration cam mechanism kinetic characteristic, be unfavorable for very much classmates' fast understanding and grasp its motion principle, affecting teaching efficiency.
Utility model content:
The utility model is in order to make up the deficiencies in the prior art, a kind of camming movement demonstrator is provided, its reasonable in design, structure and motion principle that on the one hand can ocular demonstration cam mechanism, pass through on the other hand combination gear, rack-driving and hydrodynamic drive, demonstration generates camming movement stroke curve, the corner of cam and the curve of driven member travel relationships are described, allow classmate further understand cam mechanism kinetic characteristic, be conducive to classmates' fast understanding and grasp cam fortune merit principle, in addition, the utility model demonstrator also can be demonstrated generation cam profile curve, can effectively improve teaching efficiency, problems of the prior art are solved.
The utility model for solving the problems of the technologies described above adopted technical scheme is:
A kind of camming movement demonstrator, comprise a main drive shaft, the middle part of main drive shaft is installed on a substrate vertically arranging by two deep groove ball bearings that are set up in parallel, on the main drive shaft of substrate one side, be provided with strip keyway, on main drive shaft, be provided with a driving gear by the slide key of being located in strip keyway, on substrate, be also provided with a driven shaft that parallels setting with main drive shaft, on driven shaft, be provided with the follower gear matching with driving gear, with the substrate of driving gear homonymy on be also provided with three horizontal guide rails that be arranged in parallel, on each horizontal guide rail, be equipped with a cross sliding clock, between two cross sliding clocks of top and medium position, be provided with the first hydraulic tube, the two ends of the first hydraulic tube are connected with the cross sliding clock of top and medium position respectively, between middle part and two cross sliding clocks of lower position, be provided with a upright guide rail, upright guide rail upper, lower two ends are connected with two cross sliding clocks of middle part and lower position respectively, one end of the first hydraulic tube connects the first hydraulic push rod, one end of the first hydraulic push rod is movably set in the first hydraulic tube, the other end upright slide block that is connected, upright slide block is movably connected on upright guide rail, on upright slide block, be provided with a paintbrush, position corresponding to the paintbrush of upright slide block on substrate is provided with a square through hole, a tooth bar being meshed with follower gear is connected on the cross sliding clock of middle part, on the main drive shaft of substrate opposite side, be provided with a lobe plate, on the main drive shaft in lobe plate outside, be provided with one handle, lobe plate is provided with a cam groove, on the main drive shaft between lobe plate and substrate, be provided with a slave unit, described slave unit comprises the underframe of an empty set on main drive shaft, on underframe, be provided with the strip through-hole that two parallel interval arrange, underframe is provided with a travelling carriage, travelling carriage and underframe are connected by the bolt being arranged in strip through-hole, on travelling carriage, be provided with vertically disposed second hydraulic tube relative to strip through-hole, connect a U-shaped hydraulic push rod at the second hydraulic tube away from one end of main drive shaft, the second hydraulic tube is connected with the first hydraulic tube by fluid pressure line near one end of main drive shaft, one end of U-shaped hydraulic push rod is movably set in the second hydraulic tube, the other end of U-shaped hydraulic push rod connects a driven sliding block, one is located at the second line slideway two ends parallel with the second hydraulic tube, hydraulic tube top is fixed on respectively on travelling carriage, described driven sliding block is movably connected on line slideway, one end of driven sliding block is placed in the cam groove of lobe plate, underframe is supported by a bracing frame that is arranged at slave unit below.
The utility model adopts such scheme, reasonable in design, structure and motion principle that on the one hand can ocular demonstration cam mechanism, on the other hand, driving gear is passed through in rotatablely moving of lobe plate, follower gear, tooth bar changes into the movement of the horizontal direction of cross sliding clock, the linear reciprocating motion of U-shaped hydraulic push rod changes into the movement of upright slide block along upright guide rail by hydrodynamic drive, thereby the compound motion of realizing upright slide block drives paintbrush to generate camming movement stroke curve then, allow classmate further understand cam mechanism kinetic characteristic, be conducive to classmates' fast understanding and grasp cam fortune merit principle, in addition, by conversion drive path, using upright slide block as driving part, driven sliding block is as execution unit, the utility model demonstrator also can be demonstrated generation cam profile curve, can effectively improve teaching efficiency.
Brief description of the drawings:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the rear view that Fig. 1 removes lobe plate.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the plan structure schematic diagram of Fig. 1.
Fig. 5 is the structural representation of the utility model slave unit.
Fig. 6 is the structural representation of the utility model cross sliding clock, upright slide block, upright guide rail, the second hydraulic tube.
Fig. 7 is the structural representation of the utility model lobe plate.
Fig. 8 is the structural representation of the utility model slide key.
Fig. 9 is the vertical view of Fig. 8.
In figure, 1, main drive shaft, 2, substrate, 3, driving gear, 4, handle, 5, driven shaft, 6, follower gear, 7, horizontal guide rail, 8, cross sliding clock, 9, the first hydraulic tube, 10, upright guide rail, 11, the first hydraulic push rod, 12, upright slide block, 13, square through hole, 14, tooth bar, 15, lobe plate, 16, cam groove, 17, underframe, 18, strip through-hole, 19, travelling carriage, 20, the second hydraulic tube, 21, U-shaped hydraulic push rod, 22, driven sliding block, 23, line slideway, 24, bracing frame, 25, slide key.
Embodiment:
For clearly demonstrating the technical characterstic of this programme, below by embodiment, and in conjunction with its accompanying drawing, the utility model is elaborated.
As shown in Fig. 1-9, a kind of camming movement demonstrator, comprise a main drive shaft 1, the middle part of main drive shaft 1 is installed on a substrate 2 vertically arranging by two deep groove ball bearings that are set up in parallel, on the main drive shaft 3 of substrate 2 one sides, be provided with strip keyway, on main drive shaft 1, be provided with a driving gear 4 by the slide key 25 of being located in strip keyway, this slide key 25 is non-standard key, mainly to make in order to meet design requirement, slide key 25 be shorter in length than strip keyway length, slide key 25 has certain displacement in strip keyway.On substrate 3, be also provided with a driven shaft 5 that parallels setting with main drive shaft 3, on driven shaft 5, be provided with the follower gear 6 matching with driving gear 4, with the substrate 2 of driving gear 4 homonymies on be also provided with three horizontal guide rails that be arranged in parallel 7, on each horizontal guide rail 7, be equipped with a cross sliding clock 8, between two cross sliding clocks 8 of top and medium position, be provided with the first hydraulic tube 9, the two ends of the first hydraulic tube 9 are connected with the cross sliding clock 8 of top and medium position respectively, between middle part and two cross sliding clocks 8 of lower position, be provided with a upright guide rail 10, upright guide rail 10 upper, lower two ends are connected with two cross sliding clocks 8 of middle part and lower position respectively, one end of the first hydraulic tube 9 connects the first hydraulic push rod 11, one end of the first hydraulic push rod 11 is movably set in the first hydraulic tube 9, the other end upright slide block 12 that is connected, upright slide block 12 is movably connected on upright guide rail 12, on upright slide block 12, be provided with a paintbrush, position corresponding to the paintbrush of upright slide block 12 on substrate 2 is provided with a square through hole 13, a tooth bar 14 being meshed with follower gear 6 is connected on middle part cross sliding clock 8, on the main drive shaft 1 of substrate 2 opposite sides, be provided with a lobe plate 15, on the main drive shaft 1 in lobe plate 15 outsides, be provided with one handle 4, lobe plate 15 is provided with a cam groove 16, on the main drive shaft 1 between lobe plate 15 and substrate 2, be provided with a slave unit, described slave unit comprises the underframe 17 of an empty set on main drive shaft 1, on underframe 17, be provided with the strip through-hole 18 that two parallel interval arrange, underframe 17 is provided with a travelling carriage 19, travelling carriage 19 is connected by the bolt being arranged in strip through-hole 18 with underframe 17, on travelling carriage 19, be provided with vertically disposed second hydraulic tube 20 relative to strip through-hole 18, connect a U-shaped hydraulic push rod 21 at the second hydraulic tube 20 away from one end of main drive shaft 1, the second hydraulic tube 20 is connected with the first hydraulic tube 9 by fluid pressure line near one end of main drive shaft 1, one end of U-shaped hydraulic push rod 21 is movably set in the second hydraulic tube 20, the other end of U-shaped hydraulic push rod 21 connects a driven sliding block 22, one is located at line slideway 23 two ends parallel with the second hydraulic tube 20, the second hydraulic tube 20 tops is fixed on respectively on travelling carriage 19, described driven sliding block 22 is movably connected on line slideway 23, one end of driven sliding block 22 is placed in the cam groove 16 of lobe plate 15, underframe 17 is supported by a bracing frame 24 that is arranged at slave unit below.
When use, people are positioned over camming movement demonstrator on desktop, and at square through hole, a drawing board is placed at 13 places.Rotary handle 4 drives main drive shaft 1 to rotate, main drive shaft 1 drives lobe plate 15 to rotate, the driven sliding block 22 being placed in cam groove 16 along with the revotating card of lobe plate 15 moves back and forth along line slideway 23, driven sliding block 22 drives U-shaped hydraulic push rod 21 to do reciprocating linear telemechanical again, classmates can see the kinetic characteristic of cam mechanism intuitively, change into the linear reciprocating motion of U-shaped hydraulic push rod 21 by rotatablely moving of lobe plate 15.Simultaneously, rotatablely moving by driving gear 3 of lobe plate 15, follower gear 6, tooth bar 14 changes into the movement of three cross sliding clocks 8 along the horizontal direction of horizontal guide rail 7, the upright guide rail 10 and the also synchronizing moving of the second hydraulic tube 20 that are connected with cross sliding clock 8, the linear reciprocating motion of U-shaped hydraulic push rod 21 is by the first hydraulic tube 9, fluid pressure line, the hydraulic gear that the second hydraulic tube 20 forms changes into the movement of upright slide block 12 along upright guide rail 10, thereby the compound motion of realizing upright slide block 12 drives paintbrush on drawing board, to generate camming movement stroke curve then, can further understand cam mechanism kinetic characteristic by observing camming movement stroke curve classmate.
In addition, also can demonstrate generation cam profile curve by the utility model demonstrator, first lobe plate 15 is taken off, drawing board with holes is placed in main drive shaft 1 position herein, and adjust slippage slide key 25, drawing board with holes is not rotated in company with main drive shaft 1, underframe 17 coordinates with main drive shaft 1 rotation with slide key 25, remove the constraint of bracing frame 24 to underframe 17, use bracing frame 24 to be fixed drawing board with holes, and paintbrush is taken off and is put in driven sliding block 22 from upright slide block 12, finally, at square through hole, the chart board that is decorated with required camming movement stroke curve is placed at 13 places.Now, with manual operation upright slide block 12, it is moved along camming movement stroke curve, upright guide rail 10 and tooth bar 14, follower gear 6, the driving gear 3 that cross sliding clock 8, cross sliding clock 8 be connected that move through of upright slide block 12 horizontal directions drives main drive shaft 1 to rotate, thereby travelling carriage 19 and coupled parts the first hydraulic tube 9, U-shaped hydraulic push rod 21, driven sliding block 22 are together rotated.Meanwhile move through second hydraulic tube 20, fluid pressure line, the first hydraulic tube 9, U-shaped hydraulic push rod 21 of upright slide block 12 vertical directions drive driven sliding block 22 to carry out linear reciprocating motion, thereby realize the compound motion of driven sliding block 22, then drive the paintbrush being connected in driven sliding block 22 to generate cam profile curve on drawing board with holes.
The utility model does not describe part in detail, is those skilled in the art of the present technique's known technology.
Claims (1)
1. a camming movement demonstrator, it is characterized in that: comprise a main drive shaft, the middle part of main drive shaft is installed on a substrate vertically arranging by two deep groove ball bearings that are set up in parallel, on the main drive shaft of substrate one side, be provided with strip keyway, on main drive shaft, be provided with a driving gear by the slide key of being located in strip keyway, on substrate, be also provided with a driven shaft that parallels setting with main drive shaft, on driven shaft, be provided with the follower gear matching with driving gear, with the substrate of driving gear homonymy on be also provided with three horizontal guide rails that be arranged in parallel, on each horizontal guide rail, be equipped with a cross sliding clock, between two cross sliding clocks of top and medium position, be provided with the first hydraulic tube, the two ends of the first hydraulic tube are connected with the cross sliding clock of top and medium position respectively, between middle part and two cross sliding clocks of lower position, be provided with a upright guide rail, upright guide rail upper, lower two ends are connected with two cross sliding clocks of middle part and lower position respectively, one end of the first hydraulic tube connects the first hydraulic push rod, one end of the first hydraulic push rod is movably set in the first hydraulic tube, the other end upright slide block that is connected, upright slide block is movably connected on upright guide rail, on upright slide block, be provided with a paintbrush, position corresponding to the paintbrush of upright slide block on substrate is provided with a square through hole, a tooth bar being meshed with follower gear is connected on the cross sliding clock of middle part, on the main drive shaft of substrate opposite side, be provided with a lobe plate, on the main drive shaft in lobe plate outside, be provided with one handle, lobe plate is provided with a cam groove, on the main drive shaft between lobe plate and substrate, be provided with a slave unit, described slave unit comprises the underframe of an empty set on main drive shaft, on underframe, be provided with the strip through-hole that two parallel interval arrange, underframe is provided with a travelling carriage, travelling carriage and underframe are connected by the bolt being arranged in strip through-hole, on travelling carriage, be provided with vertically disposed second hydraulic tube relative to strip through-hole, connect a U-shaped hydraulic push rod at the second hydraulic tube away from one end of main drive shaft, the second hydraulic tube is connected with the first hydraulic tube by fluid pressure line near one end of main drive shaft, one end of U-shaped hydraulic push rod is movably set in the second hydraulic tube, the other end of U-shaped hydraulic push rod connects a driven sliding block, one is located at the second line slideway two ends parallel with the second hydraulic tube, hydraulic tube top is fixed on respectively on travelling carriage, described driven sliding block is movably connected on line slideway, one end of driven sliding block is placed in the cam groove of lobe plate, underframe is supported by a bracing frame that is arranged at slave unit below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420280943.XU CN203870896U (en) | 2014-05-29 | 2014-05-29 | Cam movement demonstration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420280943.XU CN203870896U (en) | 2014-05-29 | 2014-05-29 | Cam movement demonstration instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203870896U true CN203870896U (en) | 2014-10-08 |
Family
ID=51651824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420280943.XU Withdrawn - After Issue CN203870896U (en) | 2014-05-29 | 2014-05-29 | Cam movement demonstration instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203870896U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985307A (en) * | 2014-05-29 | 2014-08-13 | 肖中阳 | Cam movement demonstration instrument |
| CN104732866A (en) * | 2015-04-08 | 2015-06-24 | 武汉科技大学 | Disc cam profile design teaching demonstration and motion characteristic measuring instrument |
| CN110956874A (en) * | 2019-12-31 | 2020-04-03 | 邢台学院 | Multi-functional english teaching aid convenient to memory |
-
2014
- 2014-05-29 CN CN201420280943.XU patent/CN203870896U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985307A (en) * | 2014-05-29 | 2014-08-13 | 肖中阳 | Cam movement demonstration instrument |
| CN103985307B (en) * | 2014-05-29 | 2016-01-20 | 肖中阳 | A kind of camming movement demonstrator |
| CN104732866A (en) * | 2015-04-08 | 2015-06-24 | 武汉科技大学 | Disc cam profile design teaching demonstration and motion characteristic measuring instrument |
| CN104732866B (en) * | 2015-04-08 | 2017-05-10 | 武汉科技大学 | Disc cam profile design teaching demonstration and motion characteristic measuring instrument |
| CN110956874A (en) * | 2019-12-31 | 2020-04-03 | 邢台学院 | Multi-functional english teaching aid convenient to memory |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141008 Effective date of abandoning: 20160120 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |