CN205264232U - Manual formula link drive demonstration teaching aid - Google Patents
Manual formula link drive demonstration teaching aid Download PDFInfo
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- CN205264232U CN205264232U CN201521061243.2U CN201521061243U CN205264232U CN 205264232 U CN205264232 U CN 205264232U CN 201521061243 U CN201521061243 U CN 201521061243U CN 205264232 U CN205264232 U CN 205264232U
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- connecting rod
- vertical supporting
- hinged
- teaching aid
- rod
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Abstract
The utility model discloses a manual formula link drive demonstration teaching aid, its characterized in that: including the bottom plate, first connecting rod, second connecting rod, third connecting rod, fourth connecting rod and first guide arm, this bottom plate both sides opposition have a vertical braces and the 2nd vertical braces, and this first connecting rod one end and a vertical braces front side upper portion are articulated, and this third connecting rod one end and the 2nd vertical braces upper portion are articulated, this second connecting rod is located the top of fourth connecting rod, the both ends of second connecting rod are articulated with first connecting rod and third connecting rod respectively, vertical braces front side middle part is equipped with first fixed block, and first guide arm one end horizontal anomalous movement wears to establish on first fixed block, and the first guide arm other end is articulated with fourth connecting rod one end, and the fourth connecting rod other end and third connecting rod middle part are articulated, first pivot is connected with manually rotate the actuating mechanism. The utility model discloses simple structure can make student's operation of touching it by oneself, and the comparison is carried out to characteristics that can more audio -visual each mechanical transmission of understanding.
Description
Technical field
The utility model belongs to teaching aid technical field, especially relates to a kind of hand link transmission demonstration teaching aid.
Background technology
In machinery, the basic task of transmission system is that the motion of prime mover and power are passed to executing agency, commonMachine driving have crank rocker transmission, reciprocating control mechanism and crank block transmission etc., in order to make student moreAdd design feature, the operation principle etc. of these machine driving transmissions of understanding directly perceived, in teaching, generally only have singleMachine driving teaching aid, and separately the teaching aid of demonstration is not easy to student and all kinds of link transmissions is watched simultaneouslyAnd compare, also increase in addition expense of instruction.
Utility model content
Because the above-mentioned defect of prior art, the utility model provides a kind of hand link transmission demonstration religionTool, can make student do it yourself to operate, and synchronous understanding crank rocker transmission that can be intuitively lively, back and forth controlsThe principles and structure feature of mechanism and crank block transmission etc. also compares.
For achieving the above object, the utility model provides a kind of hand link transmission demonstration teaching aid, its spyLevy and be: comprise base plate (10), first connecting rod (1), second connecting rod (2), third connecting rod (3), the 4thConnecting rod (4) and the first guide rod (6), this base plate (10) both sides are to being equipped with the first vertical supporting (7) andTwo vertical supportings (8), this first connecting rod (1) one end and the front upper lateral part of the first vertical supporting (7) are by theOne rotating shaft (31) is hinged, this third connecting rod (3) one end and the second vertical supporting (8) upper articulation; InstituteState second connecting rod (2) and the 4th connecting rod (4) is all positioned at the first vertical supporting (7) and the second vertical supporting (8)Between, and this second connecting rod (2) is positioned at the top of described the 4th connecting rod (4); Described second connecting rod (2)One end and first connecting rod (1) other end is hinged, and its other end and third connecting rod (3) other end is hinged; ShouldMiddle part, the first vertical supporting (7) front side is provided with the first fixed block (9), described the first guide rod (6) one end waterIt is upper that flat activity is located in described the first fixed block (9), and described the first guide rod (6) other end level is towards theTwo vertical supporting (8) one sides are also hinged with the 4th connecting rod (4) one end, the 4th connecting rod (4) other end withDescribed third connecting rod (3) middle part is hinged, and described the first rotating shaft (31) is connected with manual rotation driving mechanism,This manual rotation driving mechanism is used for driving the first rotating shaft (31) realization to rotatablely move.
Further, described manual rotation driving mechanism comprises and being separately positioned on after a described vertical supporting (7)The driving pulley (21) of side, driven pulley (22) and conveyer belt (23), this driven pulley (22) and instituteState the first rotating shaft (31) and coaxially connect, described driving pulley (21) is hinged by a driven spindle (24)On described the first vertical supporting (7) rear side, and the upper Under Asymmetrical of this driving pulley (21) is provided with operating grip(20), described driving pulley (21) is connected with described driven pulley (22) by described conveyer belt (23).
Further, also comprise the 5th connecting rod (5) and the second guide rod (51), the 5th connecting rod (5) one endHinged with the upper eccentric end of described driven pulley (22), described the second guide rod (51) is vertically positioned at described drivenBelt wheel (22) below, this second guide rod (51) upper end and described the 5th connecting rod (5) other end are hinged, instituteState the first vertical supporting (7) rear side middle part and be provided with the second fixed block (52), this second guide rod (51) lower endVertical activity is located on described the second fixed block (52).
The beneficial effects of the utility model are: the utility model is simple in structure, by a teaching aid, can make to learnThe transmission of raw more intuitive understanding crank rocker, reciprocating control mechanism and crank block transmission etc. are mechanically operatedMovement characteristic, operation principle and design feature, and compare its pluses and minuses, thus grasp the base of machine driving designThis knowledge, rationally drafts Mechanical Drive Type, is also convenient to carry out kinematic analysis of mechanisms and force analysis.
Brief description of the drawings
Fig. 1 is front perspective view of the present utility model.
Fig. 2 is rear side stereogram of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Referring to Fig. 1-2, a kind of hand link transmission demonstration teaching aid, is characterized in that: comprise base plate 10,First connecting rod 1, second connecting rod 2, third connecting rod 3, the 4th connecting rod 4 and the first guide rod 6,10 liang of this base platesSide is to being equipped with the first vertical supporting 7 and the second vertical supporting 8, this first connecting rod 1 one end and first vertical supporting7 front upper lateral parts are hinged by the first rotating shaft 31, these third connecting rod 3 one end and the second vertical supporting 8 top hingesConnect; Described second connecting rod 2 and the 4th connecting rod 4 be all positioned at the first vertical supporting 7 and the second vertical supporting 8 itBetween, and this second connecting rod 2 is positioned at the top of described the 4th connecting rod 4; Described second connecting rod 2 one end and firstConnecting rod 1 other end is hinged, and its other end and third connecting rod 3 other ends are hinged; Before this first vertical supporting 7Middle side part is provided with the first fixed block 9, and described first guide rod 6 one end horizontal anomalous movements are located in described the first fixed blockOn 9, described the first guide rod 6 other end levels towards the second vertical supporting 8 one sides and with the 4th connecting rod 4 one endHinged, the 4th connecting rod 4 other ends and described third connecting rod 3 middle parts are hinged, described the first rotating shaft 31 and handMoving rotary drive mechanism connects, and this manual rotation driving mechanism is used for driving the first rotating shaft 31 realizations to rotatablely move.
In addition, on this third connecting rod 3, also can offer the bar shaped regulating tank along its bar length direction, the adjustable the 4thConnecting rod 4 and described third connecting rod 3 articulated position.
In the present embodiment, described manual rotation driving mechanism comprises and being separately positioned on after a described vertical supporting 7The driving pulley 21 of side, driven pulley 22 and conveyer belt 23, this driven pulley 22 and described the first rotating shaft 31Coaxial connection, described driving pulley 21 is hinged on after described the first vertical supporting 7 by a driven spindle 24In side, and on this driving pulley 21, Under Asymmetrical is provided with operating grip 20, described in described driving pulley 21 passes throughConveyer belt 23 is connected with described driven pulley 22.
Further, also comprise the 5th connecting rod 5 and second guide rod 51, the five connecting rod 5 one end and described fromOn movable belt pulley 22, eccentric end is hinged, and described the second guide rod 51 is vertically positioned at described driven pulley 22 belows, shouldThe second guide rod 51 upper ends and described the 5th connecting rod 5 other ends are hinged, described the first vertical supporting 7 rear side middle partsBe provided with the second fixed block 52, these the second guide rod 51 vertical activities in lower end are located on described the second fixed block 52.
When use, as shown in Figure 1-2, can pass through student's rotating operation handle 20, can directly drive byDriving pulley 21, the tape handler that driven pulley 22 and conveyer belt 23 form rotates, and synchronously realizesBelow motion: the first, drive first connecting rod 1 to rotate by the first rotating shaft 31 on driven pulley 22, theOne connecting rod 1 drives second connecting rod 2 to move, and second connecting rod 2 and then drive third connecting rod 3 move, can be realExisting crank rocker transmission; The second, because third connecting rod 3 moves, will drive the 4th connecting rod 4 to move, and theFour connecting rods 4 drive the first guide rod 6 interior guiding horizontal of the first pilot hole 91 left and right on the first fixed block 9 reciprocalMotion, realizes the reciprocating motion control of guide rod by connecting rod, this guide rod linear movement is also equivalent to slide block and slides;The three, five connecting rod 5 upper ends eccentric end on driven pulley 22 drives rotates, and makes the 5th connecting rod 5 timesEnd drives the second guide rod 51 in the second pilot hole 521, to pump on the second fixed block 52, passes throughCrank connecting link is realized the reciprocal control of guide rod, is equivalent to realize crank block transmission. Above each machine driving sideFormula, only needs people's manual operation, can realize crank rocker transmission, crank block transmission and connecting rod sliderThe demonstration of reciprocal transmission, this teaching aid also can be synchronously for to upper and lower and all back and forth switch controls of control of horizontal directionIn system processed. And this teaching aid is simple to operate, cost is low, and also convenient observation, relies on less manpower just can driveRunning, can intuitively vividly understand each machine driving feature, and synchronously compare.
More than describe preferred embodiment of the present utility model in detail. Should be appreciated that the common of this areaTechnical staff just can make many modifications and variations according to design of the present utility model without creative work.Therefore, all technical staff in the art pass through on the basis of existing technology according to design of the present utility modelThe available technical scheme of logical analysis, reasoning, or a limited experiment, all should be by claims instituteIn definite protection domain.
Claims (3)
1. a hand link transmission demonstration teaching aid, is characterized in that: comprise base plate (10), first connectsBar (1), second connecting rod (2), third connecting rod (3), the 4th connecting rod (4) and the first guide rod (6), this endPlate (10) both sides are to being equipped with the first vertical supporting (7) and the second vertical supporting (8), this first connecting rod (1)One end and the front upper lateral part of the first vertical supporting (7) are hinged by the first rotating shaft (31), this third connecting rod (3)One end and the second vertical supporting (8) upper articulation; Described second connecting rod (2) and the 4th connecting rod (4) be position allBetween the first vertical supporting (7) and the second vertical supporting (8), and described in this second connecting rod (2) is positioned atThe top of the 4th connecting rod (4); Described second connecting rod (2) one end and first connecting rod (1) other end are hinged,Its other end and third connecting rod (3) other end is hinged; Middle part, this first vertical supporting (7) front side is provided with theOne fixed block (9), described the first guide rod (6) one end horizontal anomalous movement is located in described the first fixed block (9)Upper, described the first guide rod (6) other end level towards the second vertical supporting (8) one sides and with the 4th connecting rod(4) one end is hinged, and the 4th connecting rod (4) other end and described third connecting rod (3) middle part are hinged, described inThe first rotating shaft (31) is connected with manual rotation driving mechanism, and this manual rotation driving mechanism is used for driving firstRotating shaft (31) realizes and rotatablely moving.
2. a kind of hand link transmission demonstration teaching aid as claimed in claim 1, is characterized in that: described inManual rotation driving mechanism comprises the driving pulley (21) that is separately positioned on a described vertical supporting (7) rear side,Driven pulley (22) and conveyer belt (23), this driven pulley (22) is coaxial with described the first rotating shaft (31)Connect, described driving pulley (21) is hinged on described the first vertical supporting (7) by a driven spindle (24)On rear side, and the upper Under Asymmetrical of this driving pulley (21) is provided with operating grip (20), described driving pulley (21)Be connected with described driven pulley (22) by described conveyer belt (23).
3. a kind of hand link transmission demonstration teaching aid as claimed in claim 2, is characterized in that: also bagDraw together the 5th connecting rod (5) and the second guide rod (51), the 5th connecting rod (5) one end and described driven pulley (22)Upper eccentric end is hinged, and described the second guide rod (51) is vertically positioned at described driven pulley (22) below, and this is the years oldTwo guide rods (51) upper end and described the 5th connecting rod (5) other end are hinged, described the first vertical supporting (7)Rear side middle part is provided with the second fixed block (52), and this vertical activity in the second guide rod (51) lower end is located in described theOn two fixed blocks (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521061243.2U CN205264232U (en) | 2015-12-21 | 2015-12-21 | Manual formula link drive demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521061243.2U CN205264232U (en) | 2015-12-21 | 2015-12-21 | Manual formula link drive demonstration teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205264232U true CN205264232U (en) | 2016-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521061243.2U Expired - Fee Related CN205264232U (en) | 2015-12-21 | 2015-12-21 | Manual formula link drive demonstration teaching aid |
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| Country | Link |
|---|---|
| CN (1) | CN205264232U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107103831A (en) * | 2017-06-30 | 2017-08-29 | 西安科技大学 | A kind of mechanical principle teaching experimental provision |
| CN108269485A (en) * | 2018-01-17 | 2018-07-10 | 吴文英 | A kind of machinery course link transmission apparatus for demonstrating |
| CN111889848A (en) * | 2020-08-14 | 2020-11-06 | 江苏理工学院 | Device for removing arc additive manufacturing oxide skin and fixing deposited workpiece |
| CN114011752A (en) * | 2021-09-27 | 2022-02-08 | 宝武杰富意特殊钢有限公司 | Efficient sorting and material stirring device for automatic detection of round rods and using method |
-
2015
- 2015-12-21 CN CN201521061243.2U patent/CN205264232U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107103831A (en) * | 2017-06-30 | 2017-08-29 | 西安科技大学 | A kind of mechanical principle teaching experimental provision |
| CN108269485A (en) * | 2018-01-17 | 2018-07-10 | 吴文英 | A kind of machinery course link transmission apparatus for demonstrating |
| CN108269485B (en) * | 2018-01-17 | 2019-11-05 | 安徽双孚无纺布科技有限公司 | A kind of machinery course link transmission apparatus for demonstrating |
| CN111889848A (en) * | 2020-08-14 | 2020-11-06 | 江苏理工学院 | Device for removing arc additive manufacturing oxide skin and fixing deposited workpiece |
| CN111889848B (en) * | 2020-08-14 | 2022-03-04 | 江苏理工学院 | Device for removing arc additive manufacturing oxide skin and fixing deposited workpiece |
| CN114011752A (en) * | 2021-09-27 | 2022-02-08 | 宝武杰富意特殊钢有限公司 | Efficient sorting and material stirring device for automatic detection of round rods and using method |
| CN114011752B (en) * | 2021-09-27 | 2024-03-01 | 宝武杰富意特殊钢有限公司 | High-efficiency sorting and stirring device for automatic detection of round bars and use method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160525 Termination date: 20191221 |