Combined machine drive teaching aid
Technical field
The present invention relates to a kind of teaching aid, particularly a kind of combined machine drive teaching aid.
Background technology
" Mechanical Structure Analysis and design " is a basic platform class of mechanical speciality.By the study of this course, make student have the identification of general purpose accessory and select ability, design and select the ability of common mechanism, mechanical driving device and mechanical component, there is the ability of mechanical equipment installation and maintenance; There is the ability of the material analyzing and select part.Meanwhile, by the study of this course, also the machinery of training of students knows figure and ability for drawing, the Engineering Awareness that training student is stronger and innovation ability, independent learning ability.Mechanical driving part is the difficult point emphasis of teaching, in teaching process, a large amount of material object, model all can be adopted to be the process that student demonstrates mechanical action, shows the real structure of mechanical component, abstract theory is become intuitively.
The mechanically operated teaching aid of current use is mostly made by steel, heaviness very, and model can only do single institution motion to be shown.The not portable workload adding teacher of teaching aid, function singleness, can not excite students ' interest of study, is unfavorable for the cultivation of students'comprehensive ability.The combined mechanical gearing of these works design improves for the existing existing deficiency of above-mentioned teaching aid, realizes innovative design.
Summary of the invention
The technical problem to be solved in the present invention is: provide one can manual dismounting, portable combined machine drive teaching aid, this mechanical drive teaching aid both can be combined into single gear train, can be combined into again a large-scale multi-functional gearing.
The technical scheme solved the problems of the technologies described above is: a kind of combined machine drive teaching aid, comprise N block base plate, mechanical driving device, for connecting the hasp of adjacent two pieces of base plates and the adjustable support for being connected mechanical driving device and base plate, described base plate upper surface offers T-slot, the lower surface of base plate is provided with the screens groove corresponding with hasp, described adjustable support is by support, travel(l)ing rest and register pin composition, described support offers blind hole and the pilot hole for register pin location, described travel(l)ing rest to be inserted in the blind hole of support and is located by register pin, described pedestal lower end is provided with the T-shaped fitting key corresponding with T-slot, described travel(l)ing rest upper end is provided with the mounting hole for installing mechanical driving device, described N=2-20.
Further technical scheme of the present invention is: described mechanical drive teaching aid also comprises for regulating adjustable support at the slide block assembly of vertical T-slot direction distance, this slide block assembly comprises slide block set, sliding panel and slider bar, described slide block set is set in slider bar two ends, this slide block set is provided with the T-shaped fitting key corresponding with T-slot, described sliding panel is sleeved in slider bar, and this sliding panel offers the T-slot identical with base plate.
Described slide block assembly also comprises the centring ring for placing restrictions on sliding panel movement, and described centring ring all offers pilot hole, and under positioning states, centring ring to be contained in slider bar by register pin locating sleeve and to hold out against sliding panel.
Described mechanical driving device comprises feed mechanism, chain belt driver, hinge four-bar gearing, worm gearing, cylindrical cam mechanism gearing, parallel-crank mechanism gearing and gear mechanism transmission device.
Described mechanical driving device is arranged on adjustable support by cone axis.
Described mechanical drive teaching aid also comprises miniature motor.
Described mechanical drive teaching aid also includes for depositing the experimental box comprising base plate, hasp, mechanical driving device and adjustable support.
Owing to adopting technique scheme, the combined machine drive teaching aid of the present invention has following beneficial effect:
1. mounting or dismounting are convenient:
The present invention is primarily of base plate, hasp, adjustable support and for being assembled into various mechanical driving device various mechanism element composition, during installation, first mechanism element is contained on adjustable support, and adjustable support is fixedly mounted in the T-slot of base plate, finally various mechanism element is assembled into, it is made to be assembled into the mechanical driving device needing displaying, just transmission can be used, base plate can install adjustable support and slide block assembly, can be adjusted the height of mechanism and centre distance by the position of adjustment adjustable support and slide block assembly, therefore the transmission needs of different size driving member can be met.Connection between base plate adopts hasp directly to connect.During dismounting, as long as pulled down one by one by various parts, other mechanism elements are arranged on base plate by T-slot by the present invention, and assembling cylinder list, just can install and remove fast without the need to instrument, are beneficial to student and teacher's mounting or dismounting.
2. portable:
In the present invention, parts used are all with engineering plastics processing, and lightweight, cost is low, and are provided with tool box special collection, and volume is little, facilitates teacher to carry;
3. diverse in function:
The present invention is except carrying out except the demonstration of single transmission mechanism, the creative design carried out about " V belt translation ", " gear drive ", " planar linkage mechanism ", " worm mechanism " and " comprehensive mechanical transmission " can also be set according to task, the design of finishing device, overlap joint and assembling, student is allowed to do it yourself to put into practice various drive mechanism, the cultivation to creative ability for students can be improved, interesting strong, increase the learning initiative of student.The present invention manufactures simple, easy, cheap for manufacturing cost, and appearance design is simultaneously ingenious, easy to use, suitable wide popularization and application.
Below, in conjunction with Figure of description and specific embodiment, the technical characteristic to the combined machine drive teaching aid of the present invention is further described.
Accompanying drawing explanation
Fig. 1: the vertical view of base plate in the present invention,
Fig. 2: the rear view of base plate in the present invention,
Fig. 3: the left view of base plate in the present invention,
Fig. 4: the annexation figure of base plate and base plate,
Fig. 5: the vertical view of slide block assembly in the present invention,
Fig. 6: the left view of slide block assembly in the present invention,
Fig. 7: the front view of slide block assembly in the present invention,
Fig. 8: the front view of adjustable support in the present invention,
Fig. 9: the left view of adjustable support in the present invention,
Figure 10: the setting plan being combined into multiple gear train,
The rear view of Figure 11: Figure 10,
The vertical view of Figure 12: Figure 10,
In above-mentioned accompanying drawing, each label declaration is as follows:
1-base plate, 101-T type groove, 102-screens groove, 2-sliding panel, 3-slider bar, 4-slide block set, 401-pilot hole, 5-centring ring, 501-pilot hole, 6-adjustable support, 601-support, 602-travel(l)ing rest, 603-pilot hole, 604-mounting hole, 605-T type fitting key, 7-driving pulley, 8-driving-belt, 9-driven pulley, 10-gear, 11-connecting rod, 12-slide bar, 13-gear band, 14-pinion wheel, 15-gear, 16-small flywheel, 17-hasp.
Embodiment
A kind of combined machine drive teaching aid, comprise N block base plate 1, mechanical driving device, for connect adjacent two pieces of base plates 1 hasp 17, for connect mechanical driving device and base plate 1 adjustable support 6, for regulating adjustable support 6 at the slide block assembly of vertical T-slot 101 direction distance and miniature motor, described N=2-20.Described base plate 1 upper surface offers T-slot 101, the lower surface of base plate 1 is provided with the screens groove 102 corresponding with hasp 17, described adjustable support 6 is made up of support 601, travel(l)ing rest 602 and register pin, described support 601 offers blind hole and the pilot hole 603 for register pin location, described travel(l)ing rest 602 to be inserted in the blind hole of support 601 and is located by register pin, described support 601 lower end is provided with the T-shaped fitting key 605 corresponding with T-slot 101, and described travel(l)ing rest 602 upper end is provided with the mounting hole 604 for installing mechanical driving device.Described slide block assembly comprises slide block set 4, sliding panel 2, slider bar 3 for placing restrictions on the centring ring 5 of sliding panel 2 movement, described slide block set 4 is set in slider bar 3 two ends, this slide block set 4 is provided with the T-shaped fitting key corresponding with T-slot 101, described sliding panel 2 is sleeved in slider bar 3, this sliding panel 2 offers the T-slot identical with base plate 1, described centring ring 5 all offers pilot hole, under positioning states, centring ring 5 to be contained in slider bar 3 by register pin locating sleeve and to hold out against sliding panel 2.Described mechanical driving device comprises feed mechanism, chain belt driver, hinge four-bar gearing, worm gearing, cylindrical cam mechanism gearing, parallel-crank mechanism gearing and gear mechanism transmission device.Described mechanical driving device is made up of several Components installation in the basic building blocks such as rod member, gear, tooth bar, belt wheel, driving-belt, sprocket wheel, chain, cam, rotating disk, connecting rod, slide bar, blanking barrel, described mechanical driving device is arranged on adjustable support 6 by cone axis, and this mechanical driving device is arranged on base plate 1 by adjustable support 6.Described mechanical drive teaching aid is also for depositing the experimental box comprising base plate 1, hasp 17, mechanical driving device and adjustable support 6.
One as embodiment converts, and adjustable support 6 also can be designed to fixed support, and namely travel(l)ing rest 602 is fixed in support 601.
As another conversion of embodiment, described slide block assembly also can not arrange centring ring 5, and sliding panel 2 can rely on the friction force between self and slider bar 3 to locate.
As another conversion of embodiment, described slide block set 4 offers pilot hole 401, better slide block set 4 is positioned in slider bar 3 by register pin.
Instruction example: the combined machine drive teaching aid of the present invention is all positioned over an experimental box, and this experimental box is some built with base plate 1(), hasp 17(is some), slider bar 3(is some), slide block set 4(is some), sliding panel 2(is some), register pin (some), cone axis (some), adjustable support 6(be some), the basic building block such as motor, rod member, gear, tooth bar, belt wheel, driving-belt, sprocket wheel, chain, cam, rotating disk, connecting rod, slide bar, blanking barrel.During use, slide block assembly can be installed in advance and (be respectively charged into slide block set 4 at slider bar 3 two ends and form a slide block widgets, same method assembles another slide block widgets, then sliding panel 2 is arranged in the middle part of two slider bar 3 in these two slide block widgets, thus form a slide assemblies, see Fig. 4-6).Then in the T-slot 101 of a base plate 1, place an adjustable support 6, by register pin, adjustable support 6 is fixed a height, and on adjustable support 6, cone axis is installed, driving pulley is arranged on this cone axis.Just determine driven pulley position according to driving-belt length, this position is installed a slide block assembly, the slider plate of this slide block assembly is installed adjustable support 6, according to the good slider plate position of driving member adjusted size, then the position of driven pulley is determined.The same axle of installation driven pulley installs driving gear, according to the method for installing driven pulley, follower gear is installed.According to same method, the mechanism by required installation assembles, be assembled into the gear train (see Figure 10) of needs, (gear train installed can adopt typical mechanism) is according to various drive mechanism dimensions specification, a kind of gear train can be arranged on same base plate 1, also can be arranged on different base plates 1.Connection between two base plates 1 is connected (as shown in the figure 4) by the hasp 17 of bottom.Meanwhile, miniature motor can be installed additional as required at whole kinematic train input end, thus make transmission realize manual or electronic input.
This instruction example is a large-scale multi-functional gearing, the present invention also can be combined into single gear train, as: feed mechanism, chain belt driver, hinge four-bar gearing, worm gearing, cylindrical cam mechanism gearing, parallel-crank mechanism gearing and gear mechanism transmission device, being specifically combined into which kind of mechanical transmission mechanism needs to arrange according to field research.