CN2731430Y - Plane mechanism design and movement combined test bed - Google Patents
Plane mechanism design and movement combined test bed Download PDFInfo
- Publication number
- CN2731430Y CN2731430Y CNU032481640U CN03248164U CN2731430Y CN 2731430 Y CN2731430 Y CN 2731430Y CN U032481640 U CNU032481640 U CN U032481640U CN 03248164 U CN03248164 U CN 03248164U CN 2731430 Y CN2731430 Y CN 2731430Y
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- crossbeam
- translot
- plane
- plane mechanism
- pad
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Abstract
The utility model relates to a plane mechanism design and a movement combined test bed. A machine frame is composed of a base plate, a left and right supporting plate and a transverse beam. The left and right supporting plate is provided with a plurality of parallel and eudipleural straight slots which are perpendicular to the base plate. A plurality of pieces is provided for the transverse beam. The transverse beam is provided with a transverse slot which is perpendicular to the left and right supporting plate. The members of the plane mechanism (except for the connecting lever) are assembled in the inside of the transverse slot of the transverse beam. The connection point and the self position of the members can be freely adjusted in the inside space of the supporting frame according to the structural requirement. Thereby, one bed frame can realize the assembly and testing requirements of the plane mechanism and the composite mechanism thereof. The utility model is a good integrated test bed of assembly, test, and demonstration of the plane mechanism for the majors and designers.
Description
Affiliated technical field
The utility model relates to the design of a kind of plane mechanism and moves combined test bedly, and the school that is mainly used in mechanical speciality also can be used as the sector designer the plane mechanism design proposal is carried out simulation test as teaching, test usefulness.
Background technology
People are using various machines widely aborning, though the structure of machine is different with purposes, they are made up of many different mechanisms, common mechanism in the production, and majority all is a plane mechanism.The least unit of forming mechanism is a member.
Plane mechanism design at present, the test and the demenstration method of teaching mainly contain three kinds, each member of mechanism's (as toggle) that a kind of elder generation is concrete with certain is made simple model (as the cardboard model), the center of rotation of the rotary pair of kind of member is fixed on the flat board, stir driving member with hand, and the parameter of constantly regulating each member, seek best movement locus according to the characteristics of motion of each member.Its advantage be make simpler, the intuitive of demonstration still can, but parameter regulation inconvenience.Mock-up is made with certain mechanism by second kind of elder generation, tests with stand, and its advantage is that intuitive is best, but the test-bed versatility is poor, the cost height.The third is the computer graphics demonstration, and advantage is easy to operate, cost is low, but the beginner is difficult to complete understanding.
Summary of the invention
At the deficiencies in the prior art, the utility model provides a kind of plane mechanism design and motion combination examination to organize a performance, this testing table collection plane mechanism design, demonstration, assembly unit, move, be controlled in one, a stand just can be realized the test of plane mechanism and composite structure thereof convenient, fast, exactly, for mechanical student carries out the study of plane mechanism knowledge system, enhancing, innovation ability, raising comprehensive Design level provide a kind of desirable teaching aid.
The technical scheme that its technical matters that solves the utility model adopts is: by base plate, form support with the left and right sides back up pad of base plate vertical fixing, vertical with left and right sides back up pad and fixing crossbeam, the motor of rack-mount plane mechanism and driving mechanism motion is formed, have at least on the back up pad of the left and right sides two parallel to each other, left-right symmetric and with the vertical straight trough (a) of base plate; At least two on crossbeam, the translot vertical with left and right sides back up pad (b) arranged on it, corresponding with the left and right sides back up pad respectively straight trough (a) in the two ends of crossbeam is equipped with and is fixedly connected with it, member commonly used in a collection of plane mechanism is arranged, the member (except that connecting rod) of forming plane mechanism is installed in the translot (b) of crossbeam directly or indirectly, crossbeam is together with the member of these plane mechanisms mounted thereto, both can in translot (b), laterally move, can in the straight trough (a) of left and right sides back up pad, vertically move (among the same straight trough a many crossbeams can be arranged) again, can also be parallel to each other in left and right sides back up pad, move forward and backward in the symmetrical straight trough (a), each member of having realized forming a certain plane mechanism in theory can be in the locus of frame adjusted, and being fixed on the suitable position of crossbeam after wherein several members of mechanism connect with rotary pair just becomes concrete mechanism.Thereby reach a testing table and can not only finish design, assembling, demonstration, the test that all plane mechanisms comprise their composite structure, can also pilot demonstration change the rule that each component movement of parameter of one or two member of plane mechanism changes, and have simple in structure, easy accessibility, advantage such as quick.
The beneficial effects of the utility model are: the rule that can realize assembling, demonstration, each parameter variation and the component movement variation thereof of plane mechanism all types mechanism convenient on a test-bed, fast and accurately, testing crew is not only started but also beat one's brains, not only demonstrate traditional mechanism but also can innovate many composite structures, fully excavate they creativity, imagination, help them and securely, systematically grasp mechanism's knowledge, cultivation, bring up them and improve the comprehensive Design ability and strengthen creativity consciousness.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the crank and rocker mechanism in the utility model planar linkage mechanism
Fig. 2 is the A-A cut-open view of Fig. 1
Fig. 3 is the front view of cam mechanism of the present utility model
Fig. 4 is the cut-open view of the A-A of Fig. 3
Fig. 5 is the front view of the Geneva mechanism in the utility model stepping transmission mechanism
Fig. 6 is the main cut-open view of the translot fixed cover of crossbeam
Fig. 7 is the A-A cut-open view of Fig. 6
Among the figure 1, base plate, 2, left and right sides back up pad 3, crossbeam 4, plane mechanism 5, motor 6, crossbeam fixed cover parts 7, crossbeam fixed cover 8, copper sheathing
Because the kind of plane mechanism is too many, for this instructions more cheer and bright, so this mechanism represents with a unified code name 4.
Embodiment
This testing table if with the member commonly used of plane mechanism carry out standardization, systematization design back be equipped with complete, just can adapt to various plane mechanisms and composite structure is tested, its member otherwise designed manufacturing of special mechanism.Only lift crank and rocker mechanism wherein below, cam mechanism, Geneva mechanism are that example is illustrated.
Base plate among Fig. 1 (1) reaches the support that the crossbeam (3) vertical with left and right sides back up pad (2) constitutes with left and right sides back up pad (2) vertical and that be fixed on the base plate (1), have at least two (among the figure being 4) parallel to each other on the left and right sides back up pad (2), left-right symmetric and the straight trough (a) vertical with base plate (1), the two ends of crossbeam (3) are fitted in a left side, in the straight trough (a) of right back up pad (2), and be vertically fixed on the left and right sides back up pad (2) with the screw at screw and crossbeam (3) two ends, translot (b) is arranged on the crossbeam (3), plane mechanism among the figure belongs to the crank and rocker mechanism in the planar linkage mechanism, the centre of gyration of member crank and rocking bar is assemblied in respectively in the translot (b) of same crossbeam, motor (5) (generally adopting buncher) is through belt, gear pair drives the crank and rocker mechanism motion, regulate the length of curved bar, the length of rocking bar and connecting rod is constant, can change the size of the throw of rocking bar, regulate the length of connecting rod, the length of the rocking bar of crank is constant, can change the reference position (being provided with different adjustment holes on the member) of rocking bar swing, all can on this testing table, demonstrate, test.The centre of gyration of curved bar and rocking bar can also be installed on the different crossbeam (3) of same straight trough of left and right sides back up pad (2) (b).The double rocker mechanism that belongs to planar linkage mechanism equally, double-crank mechanism, slider-crank mechanism, guide-bar mechanism in the same old way can smooth implementations.Crossbeam (3) with about the solid mode of support plate (2) have multiple, as screw thread pair fix, bearing pin secondary fixing, as long as fixing reliable, mounting or dismounting are convenient.
Cam mechanism shown in Figure 3 is the another kind of type in the plane structure machine (4), cam is a driving member, returning of it taken turns center fixation in the translot (b) of left and right sides crossbeam (3), push rod is a driven member, it is installed in addition in two parallel to each other and the translots (b) at the crossbeam (3) of same vertical plane indirectly through installing plate, and the continuous gyration of cam converts the rectilinear motion up and down of push rod to.
Fig. 5 is separately fixed at for the centre of gyration of the Geneva mechanism that belongs to stepping mechanism in the plane mechanism, member sheave, connecting lever (positioning disk) in the translot (b) of the different crossbeam (3) of the same straight trough of back up pad (2) (a) (also can be installed in the translot of the different position of same crossbeam).Pivoted arm is done continuous gyration, and when pin entered in the groove of sheave, pivoted arm ordered about the sheave transmission by pin, and after pivoted arm and sheave turned over certain angle separately, the pin on the pivoted arm was thrown off sheave, and pivoted arm is rotated further and sheave is motionless.So just the continuous gyration of pivoted arm is converted to the unidirectional stepping rotation of sheave.Ratchet device of the same type only need be contained on the corresponding position of crossbeam equally with corresponding member such as ratchet, ratchet and fork (ratchet is sleeved on the fork, and the reciprocally swinging of fork crank and rocker mechanism commonly used is realized) from accessory, can test.If adopt partial gear plane mechanism (partial gear is the full-depth tooth crop rotation Passive part that driving link cooperates with it), can realize step motion equally.
Crossbeam fixed cover parts (6) among Fig. 6 are made up of crossbeam fixed cover (7) and copper sheathing (8).Crossbeam fixed cover (7) center section xsect is a cydariform, its laterally zygomorphic plane cooperates with the upper and lower plane of translot (b) of crossbeam (3), in order to prevent to produce swing at work after the assembling, should eliminate the gap between them as far as possible, guaranteed again crossbeam fixed cover (7) can move in translot (b) simultaneously, this cooperation should be adopted has certain precision movingly, and the length of this section is greater than the thickness (c) of crossbeam (3); That is, in translot (b), move to satisfy the crossbeam fixed cover greater than the width of straight trough (a); Two first ends are external thread, one end is the round platform terrace, their external diameter is less than the diameter (φ) of the incomplete circular hole of translot (b), and greater than the height (h) of translot, the two ends of crossbeam fixed cover (7) can be passed from incomplete circular hole and can move to be unlikely in translot (b) and be dropped out, and copper sheathing (8) is fitted in crossbeam fixed cover (7) two ends in the step surface.Regulate the length of crossbeam fixed cover (7) interlude and lock crossbeam fixed cover parts (6) on the certain position of crossbeam groove (b) with the locking screw field during assembling, connect with the member of plane mechanism with bearing pin again, form rotary pair, it is simple in structure, connects reliably, moves freely.Convenient in order to assemble, these parts can be in advance many of installations in translot (b), as shown in drawings.
Claims (2)
1, a kind of plane mechanism designs and moves combined test bed, comprise base plate (1), left and right sides back up pad (2) with base plate (1) vertical fixing, the support that vertical with left and right sides back up pad (2) and fixing crossbeam (3) is formed, the motor (5) of rack-mounted plane mechanism (4) and driving plane mechanism (4) motion is formed, it is characterized in that having at least on the left and right sides back up pad (2) 2 parallel to each other and the vertical and symmetrical straight troughs of base plate (1) (a), (3) at least two on groove beam, their two ends and left and right sides back up pad (2) go up corresponding straight trough (a) and are equipped with and are fixedly connected on it, the translot (b) vertical with left and right sides back up pad (2) arranged on the crossbeam (3), a collection of plane mechanism member commonly used is arranged, form the member of plane mechanism (4) except that connecting rod and directly or indirectly be installed in the translot (b) of crossbeam (3).
2, testing table according to claim 1, it is characterized in that in the translot (b) of crossbeam (3), fixed cover parts (6) being arranged, it is made up of crossbeam fixed cover (7) and copper sheathing (8), the xsect of part is a cydariform in the middle of the crossbeam fixed cover (7), on, on following symmetrical plane and the translot (b), lower plane cooperates, its length is greater than the thickness (c) of crossbeam (3), two first ends are external thread, one end is a right cylinder, their external diameter is less than the diameter (φ) of the incomplete circular hole of translot (b) end, and greater than the height (h) of translot (b), copper sheathing (8) is fitted in crossbeam fixed cover (7) two ends in the step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032481640U CN2731430Y (en) | 2003-07-01 | 2003-07-01 | Plane mechanism design and movement combined test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032481640U CN2731430Y (en) | 2003-07-01 | 2003-07-01 | Plane mechanism design and movement combined test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2731430Y true CN2731430Y (en) | 2005-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032481640U Expired - Fee Related CN2731430Y (en) | 2003-07-01 | 2003-07-01 | Plane mechanism design and movement combined test bed |
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| Country | Link |
|---|---|
| CN (1) | CN2731430Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123278A (en) * | 2011-11-18 | 2013-05-29 | 中联重科股份有限公司 | Sensor mounting device |
-
2003
- 2003-07-01 CN CNU032481640U patent/CN2731430Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123278A (en) * | 2011-11-18 | 2013-05-29 | 中联重科股份有限公司 | Sensor mounting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |