CN106485988A - The straight line three-plane projection demonstration board of the drawing linkage of carrying space model spool - Google Patents
The straight line three-plane projection demonstration board of the drawing linkage of carrying space model spool Download PDFInfo
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Abstract
A kind of straight line three-plane projection demonstration board of the drawing linkage of carrying space model spool, including projection plate, space line model mechanism, projection join line mechanism, mechanism of linear projection and link gear.The present invention adds spatial model the structure using linear space model and linear projection's linkage on the basis of the straight line three-plane projection demonstration board of the drawing linkage of former flexible drawing spool, in spool in particular by two fixed length and spool, the structure of mobile closing cotton rope is it is ensured that the distance of floor projection to the X-axis of dynamic point is equal to side projection to the distance of Z axis.More intuitively manifest the relation of the change that the change in location of space line is projected with it.Easy to operate, as long as controlling the front projection of dynamic point during use, just can automatically affect dynamic point floor projection and side projection, frontal line, horizontal line, profile line, vertical frontal line, plumb line, vertical profile line and 7 kinds of positions of parallax of space line can be shown.Demonstrating effect is obviously improved.Make straight line three-plane projection demonstration board more perfect.
Description
Technical field
The present invention relates to the carrying space model spool stretching used by a kind of demonstration teaching aid, especially Engineering Drawing Course
The straight line three-plane projection demonstration board of formula linkage.
Background technology
In Engineering Drawing Course, represent that the locus of straight line to be determined by the projection on three perspective planes, i.e. straight line
Front projection, floor projection and side projection, straight line represents by the straightway comprising two end points it is desirable to must assure that same
The line vertical X axis of the front projection of individual end points and floor projection, the line vertical Z axle of front projection and side projection, level
The distance projecting to X-axis is equal to side projection to the distance of Z axis.Space line has seven kinds of situations relative to the position on perspective plane, point
It is not frontal line, horizontal line, profile line, vertical frontal line, plumb line, vertical profile line and parallax, in Engineering Drawing Course teaching, need
Demonstrate this seven kinds of straight lines with front projection, floor projection and side projection respectively.At present, demonstrating this seven kinds of straight lines is to adopt seven
Individual mock-up teaching aid.Its shortcoming is that model quantity is many, bulky, carries, moves and hang inconvenient.Author is in front invention
The straight line three-plane projection demonstration board of the drawing linkage of flexible drawing spool（2016104261688）Although solving above-mentioned asking
Topic, but there is no linear space model it is impossible to lively, direct presentation space straight line change and corresponding projection change.
Content of the invention
In order to solve the above problems, the present invention provides a kind of straight line three-plane projection of the drawing linkage of carrying space model spool
Demonstration board, the present invention adds space on the basis of the straight line three-plane projection demonstration board of the drawing linkage of former flexible drawing spool
Model, simultaneously using the structure of linear space model and linear projection's linkage, is more manifested the change in location of space line and is projected with it
The relation of change, makes straight line three-plane projection demonstration board more perfect.
The technical solution adopted for the present invention to solve the technical problems is：The straight line of the drawing linkage of carrying space model spool
Three-plane projection's demonstration board includes projection plate, space line model mechanism, projection join line mechanism, mechanism of linear projection and gear
Structure.
Projection plate is provided with X-axis, YH axle, Yw axle and Z axis, and X-axis, YH axle, Yw axle and Z axis are divided into orthographic projection projection plate
Face, horizontal plane, lateral projection face and YH Yw face.YH Yw face is provided with angle separated time.If the end points of space line section is fixed point
And dynamic point.Fixed point is motionless point, and the frontal plane of projection of fixed point, floor projection and side projection are respectively equipped with fixed point groove, pinpoints groove
It is ladder circular hole.The frontal plane of projection of fixed point and line vertical X axis, the frontal plane of projection of fixed point and the company of side projection of floor projection
The horizontal line of line vertical Z axle, above-mentioned two lines and the floor projection pinpointing to angle separated time, the side projection of fixed point are to angle separated time
Vertical line form a rectangle, be set to pinpoint projection join line.X-axis, YH axle, Yw axle, Z axis, fixed point projection join line and angle separated time
Truncation surface is rectangular channel.
It is straight that space line model mechanism includes pinpointing frame, fixed point frame bearing, fixed point pole, fixed point ball, fixed point axle, space
Line, dynamic point ball, guide rod, pin, guide rod cap.Fixed point frame is fixed on projection plate by screw, and fixed point frame is by Z-shaped plate and cylinder structure
Become, cylinder is provided with shoulder hole, ladder in the hole installs fixed point frame bearing, is provided with fixed point pole, pinpoints pole in fixed point frame bearing
The other end be cut into flat；Fixed point ball cuts with fixed point ball groove, and fixed point ball groove is gap cooperation with the flat contact surface of fixed point pole,
The flat of fixed point pole and fixed point round bur have through hole, are provided with fixed point axle in through hole, pinpoint axle and fixed point pole and fixed point ball are connected
Connect together, fixed point ball can rotate around fixed point pole.Fixed point ball is fixedly connected one end of space line, and the space line other end is fixed
Connect dynamic point ball, dynamic point ball is provided with dynamic point ball groove, comprises guide rod in dynamic point ball groove, and guide rod is cylindrical tube；Dynamic point ball and guide rod by
Pin connects, and guide rod is provided with stem guiding trough, pin can in stem guiding trough slide anteroposterior, so that dynamic point ball is moved forward and backward along guide rod；Guide rod
The cylindrical tube of rear end is shut by thin-walled, is cut into in-line hole at thin-walled, is connected to the front projection of dynamic point with in-line hole, leads
Bar is always perpendicular to perspective plane.
Projection join line mechanism includes pan carriage, change gear, change gear axle, pulley, pulley spindle, flexible strand, rope support.Pan carriage has two
Individual, it is upper pan carriage and left frame respectively.Pan carriage is c-type strip structure, and pan carriage two ends are hooked on projection plate.Translation
Frame is provided with bar shaped locating slot, and locating slot has chute, and chute is narrower than locating slot.Left frame upper end is provided with change gear axle, hangs
Change gear is cased with wheel shaft, change gear rides over projection plate upper end.After projection plate, upper pan carriage and left frame two ends set respectively
There is pulley spindle, pulley spindle is cased with pulley, pulley is provided with two slideways, each slideway is respectively wound with a flexible strand, flexible strand
Have four, each pulley is wound with two flexible strand, the two ends of every flexible strand are separately fixed at projection plate two sides
On rope support.Rope support has eight, and rope support is symmetrically fixed on the angle of four sides of projection plate by screw.Every flexible strand bypasses cunning
Wheel rear steering, to another pulley of same pan carriage, turns again to be connected with rope support, becomes Z or anti-Z shape；Corresponding thereto
The fixation of another flexible strand and trend are symmetrical with previous bar flexible strand, the winding direction phase of two flexible strand and same pulley
Instead；To guarantee that pan carriage can translational motion on projection plate.
Mechanism of linear projection includes fixed point, dynamic point, linear projection and dynamic point projection join line, and fixed point includes pinpointing front throwing
Shadow, point level projection and fixed point side projection, each projection is made up of fixed point bearing, rotating shaft, fixed point wind spring and linear projection,
Fixed point bearing is installed in fixed point groove, fixed point bearing inner race is installed with rotating shaft, and rotating shaft is provided with fixed point wind spring, pinpoints wind spring
The inner be connected with rotating shaft, fixed point wind spring outer end be connected with linear projection, linear projection is flexible thin strip, is just being divided into straight line
Face projection, straight horizontal projection and straight line side projection, on fixed point wind spring, the other end reaches throwing to linear projection's one ends wound
On shadow plate, it is connected with dynamic point；Linear projection fixed point wind spring pulling under always exceptionally straight on projection plate.In point level projection
At fixed point side projection, outside fixed point bearing inner race, it is cased with point level projection hat and fixed point side projection cap, point level
Projection hat and fixed point side projection cap are provided with fixed point opening, and linear projection is reached on projection plate by pinpointing opening, with dynamic point
Projection connects.
Dynamic point includes dynamic point front projection, dynamic point floor projection and dynamic point side projection, and each projection is thrown by slide block, dynamic point
Shadow fixture block, pin, dynamic point shell, dynamic point projection join line and dynamic point cap composition, dynamic point floor projection and dynamic point side projection also include
Dynamic point wind spring.Slide block is the assembly of cuboid with cylindrical hole and cylinder, is provided with two dynamic points projections in cylindrical hole
Fixture block, dynamic point projection fixture block is half ladder circle cylindricality, and two dynamic point projection fixture blocks connect into stepped cylindrical by pin, and dynamic point projects
Fixture block can rotate in the through hole of slide block；Dynamic point projects fixture block transfer point front projection fixture block, dynamic point floor projection fixture block and moves
Point side projection fixture block, dynamic point floor projection fixture block is identical with dynamic point side projection fixture block shape, dynamic point front projection fixture block ratio
Another two projection fixture block is connected with guide rod in the many T-shape blocks in front end, the yi word pattern in the hole that T-shape block is inserted into guide rod.Sliding
The rectangular body side surface of block and the cooperation of locating slot side, the face of cylinder of slide block and the cooperation of pan carriage chute two sides of pan carriage, slide
Block can slide in locating slot and chute.Linear projection, linear projection is clamped in contact surface between two dynamic point projection fixture blocks
It is fixedly connected on dynamic point projection fixture block with pin.The inner company of fixation of the dynamic point wind spring of dynamic point floor projection and dynamic point side projection
It is connected on the cylinder of slide block, the outer end of dynamic point wind spring is connected with dynamic point projection join line.The outside of three projections of dynamic point is cased with dynamic point
Projection shell, dynamic point projection shell transfer point front projection shell, dynamic point floor projection shell and dynamic point survey face projection shell, and dynamic point projection shell is
Cylindrical tube, is cut with rectangular channel thereon and is coordinated with pan carriage.Dynamic point projection join line is a resilient flexible strand of tool, and dynamic point is thrown
After the circular hole from dynamic point floor projection shell upper end for the shadow line is drawn, through lower end and the right-hand member circular hole of dynamic point front projection shell, lead to
Cross dynamic point side projection shell left end circular hole to be connected on dynamic point wind spring.Under dynamic point wind spring and dynamic point projection join line elastic reaction,
Always give dynamic point floor projection shell and side projection shell to one, dynamic point front projection direction pulling force.Dynamic point cap is divided into dynamic point front
Projection hat, dynamic point floor projection cap and dynamic point side projection cap, dynamic point front projection cap is provided with cylindrical hole, so that guide rod leads to
Cross.Dynamic point cap passes through tight fit connection on the external cylindrical surface of dynamic point shell.
Link gear includes pin, guide rod, pipe cut, flexible pipe, pipe ring frame, flexible pipe support, steel wire rope, wire rope pulley,
Steel wire rope support, wire rope pulley axle, sheave, fluted roller shaft, cotton rope, spool seat, spool and movable stand.It is provided with pipe in the pipe of guide rod
Cut, it is lamellar that pipe cuts, be one with guide rod；One end of flexible pipe is fixed on pipe and cuts, and pipe ring frame is fixed on dynamic point front projection
On shell, flexible pipe support is fixed in the middle part of left frame, and flexible pipe guides to the outside of guide rod through stem guiding trough, is fixed on left frame
Flexible pipe support top, the length of flexible pipe is required length during plumb line depending on space line.Steel wire rope support is by screw
It is fixed on left frame lower end, steel wire rope support is provided with wire rope pulley axle, and wire rope pulley axle is cased with wire rope pulley；Soft
It is provided with steel wire rope, steel wire rope can move in flexible pipe in property pipe.Steel wire rope one end is fixed on the pin of dynamic point ball, through soft
Property pipe and dynamic point floor projection shell, further around crossing wire rope pulley, it is following that u-turn is fixed on dynamic point floor projection shell.With removing down on hand
During dynamic point ball, drive left frame moves left and right and upper pan carriage moves up and down, and drives the front projection of dynamic point upper and lower simultaneously
Move left and right, and the floor projection of dynamic point only moves left and right with pan carriage, steel wire rope does not have relative movement in flexible pipe, dynamic point
Floor projection can not move up and down；During with moving dynamic point ball before and after handss, the floor projection of dynamic point with pan carriage move left and right same
When moreover it is possible to move up and down；This is due to moving forward dynamic point ball, and the pin of dynamic point ball pulls steel wire rope reach, by rope belt
Dynamic point floor projection moves down；When moving dynamic point ball backward, move after the steel wire rope at pipe section, dynamic point wind spring hauls dynamic point level and throws
Shadow shell is upwards.The dynamic point floor projection amount of moving up and down is exactly equal to the rear front amount of movement of dynamic point ball；Meet projection law.Thus it is real
The position of existing dynamic point ball and the position linkage of dynamic point floor projection, are separately installed with sheave in the middle of upper pan carriage and left frame
Axle, fluted roller shaft is cased with sheave, and the groove inner sleeve of sheave has cotton rope；Upper movable stand right-hand member and move to left moving frame lower end and be provided with spool seat,
Move to left the spool seat of moving frame and steel wire rope support is made of one, spool seat is provided with two stepped cylindrical through holes, outside perspective plane
Through hole is big, is fixedly connected cable tube, spool is flexible material, has two, be arranged in parallel within the back of the body on perspective plane in big through hole
Face, spool two ends be connected respectively to movable stand and move to left on the spool seat of moving frame, have cotton rope in spool；Cotton rope is one
The steel wire rope of closing, bypasses the dynamic point shell by floor projection and side projection after sheave, enters back in spool, and cotton rope can be
In spool, stretching is moved.In two lines rope by floor projection dynamic point shell, left side cotton rope is fixedly connected on dynamic point shell, the right
Cotton rope passes through dynamic point shell；By the two lines rope of side projection dynamic point shell, following cotton rope is fixedly connected on dynamic point shell, upper sideline
Rope is through dynamic point shell.The floor projection ensureing dynamic point with this moves up and down drive side projection and moves left and right, and the distance of movement
Equal.The length of steel wire rope is required length during vertical profile line depending on space line.
Perspective plane, guide rod, guide rod cap, flexible pipe, steel wire rope, sheave, fluted roller shaft, spool seat, steel wire rope support and fixed point frame
Using white, space line and linear projection, using blue, pinpoint ball, dynamic point ball, dynamic point projection and fixed point projection using redness,
Projection join line, font and scale adopt black, and cotton rope, spool, pan carriage adopt transparent material.
The invention has the beneficial effects as follows：Using the structure of space line model mechanism and linear projection's linkage, especially adopt
With the structure of closing cotton rope mobile in the spool of two fixed length and spool, more intuitively manifest the change in location of space line with
The relation of the change of its projection.Easy to operate, as long as controlling the front projection of dynamic point, automatically affect dynamic point floor projection and dynamic point
Side projection, so as to show 7 kinds of positions of straight line.Demonstrating effect is obviously improved.
Brief description
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the integrally-built above axonometric chart of expression.
Fig. 2 is to express integrally-built rear isometric view.
Fig. 3 is front view.
Fig. 4 is the left view on Fig. 3 along AA cutting.
Fig. 5 is the rearview on Fig. 4 along EE cutting.
Fig. 6 is tiltedly to cut open, along BB cutting, partial view of becoming a full member on Fig. 3.
Fig. 7 is the rearview on Fig. 4 along FF cutting.
Fig. 8 is tiltedly to cut open, along CC cutting, partial view of becoming a full member on Fig. 3.
Fig. 9 is the partial sectional view on Fig. 8 along DD cutting.
Figure 10 is the partial sectional view on Fig. 4 along GG cutting.
Figure 11 be I on Fig. 4 at partial enlarged drawing.
Figure 12 be II on Fig. 4 at partial enlarged drawing.
Figure 13 be III on Fig. 4 at partial enlarged drawing.
Figure 14 be IV on Fig. 7 at partial enlarged drawing.
Figure 15 is the embodiment of frontal line projection.
Figure 16 is the embodiment of horizontal line projection.
Figure 17 is the embodiment of profile line projection.
Figure 18 is the embodiment of vertical frontal line projection.
Figure 19 is the embodiment of vertical line projection.
Figure 20 is the embodiment of vertical profile line projection.
In figure 1. flexible pipe, 2. dynamic point ball groove, 3. dynamic point ball, 4. guide rod cap, 5. change gear axle, 6. space line, 7.
Fixed point ball, 8. pinpoints ball groove, 9. pinpoints frame, 10. dynamic point projection join line, 11.Z axle, 12. sheaves, 13. fixed point projections are even
Line, 14. fixed point side projection caps, 15. straight line side projections, pan carriage on 16., 17. dynamic point side projection caps, 18. spools
Seat, 19. spools, 20. rope supports, 21. jiaos of separated times, 22. Yw axles, 23. projection plates, 24. pulley spindles, 25. YH axles, 26. is sliding
Wheel, 27. point level projection hats, 28. straight horizontal projections, 29. dynamic point floor projection caps, 30. steel wire ropes, 31. is left
Pan carriage, 32. steel wire rope supports, 33. chutes, 34. X-axis, 35. flexible strand, 36. fixed point frame bearings, 37. fixed point poles,
38. straight line front projections, 39. dynamic point front projection shells, 40. dynamic point front projection caps, 41. dynamic point floor projection shells,
42. change gears, 43. wire rope pulleys, 44. guide rods, 45. stem guiding troughs, 46. dynamic point wind springs, 47. fixed point wind springs, 48. turns
Axle, 49. pipe ring framves, 50. locating slots, 51. fixed point axles, 52. slide blocks, 53. pins, 54. dynamic point front projection fixture blocks, 55.
Pin, 56. pipes cut, 57. dynamic point floor projection fixture blocks, 58. wire rope pulley axles, 59. fixed point openings, 60. fixed point grooves,
61. flexible pipe supports, 62. fixed point bearings, 63. fluted roller shafts, 64. cotton ropes.
Specific embodiment
In Fig. 1 to Figure 14, represent the contexture of the present invention and the connection of parts and position relationship, be also parallax
Embodiment.The straight line three-plane projection demonstration board of the drawing linkage of carrying space model spool includes projection plate（23）, space line
Model mechanism, projection join line mechanism, mechanism of linear projection and link gear.
Projection plate（23）It is provided with X-axis（34）, YH axle（25）, Yw axle（22）And Z axis（11）, X-axis（34）, YH axle（25）、
Yw axle（22）And Z axis（11）Projection plate（23）It is divided into frontal plane of projection, horizontal plane, lateral projection face and YH Yw face.YH Yw
Face is provided with angle separated time（21）.If the end points of space line section is fixed point and dynamic point.Fixed point is motionless point, the orthographic projection of fixed point
Face, floor projection and side projection are respectively equipped with fixed point groove（60）, pinpoint groove（60）It is ladder circular hole.Fixed point frontal plane of projection and
The line vertical X axis of floor projection（34）, the line vertical Z axle of the frontal plane of projection of fixed point and side projection（11）, above-mentioned two
The floor projection of line and fixed point is to angle separated time（21）Horizontal line, fixed point side projection to angle separated time（21）Vertical line composition
One rectangle, is set to pinpoint projection join line（13）.X-axis（34）, YH axle（25）, Yw axle（22）, Z axis（11）, fixed point projection join line
（13）With angle separated time（21）Truncation surface be rectangular channel.
Space line model mechanism includes pinpointing frame（9）, fixed point frame bearing（36）, fixed point pole（37）, fixed point ball（7）、
Fixed point axle（51）, space line（6）, dynamic point ball（3）, guide rod（44）, pin（55）, guide rod cap（4）.Fixed point frame（9）By screw
It is fixed on projection plate（23）On, pinpoint frame（9）It is made up of Z-shaped plate and cylinder, cylinder is provided with shoulder hole, ladder in the hole installs fixed point
Frame bearing（36）, pinpoint frame bearing（36）Fixed point pole is inside installed（37）, pinpoint pole（37）The other end be cut into flat；Fixed
Penalty kick（7）Cut with fixed point ball groove（8）, pinpoint ball groove（8）With fixed point pole（37）Flat contact surface be gap cooperation, fixed point
Bar（37）Flat and fixed point ball（7）It is drilled with through hole, fixed point axle is installed in through hole（51）, pinpoint axle（51）Fixed point pole
（37）With fixed point ball（7）Connect, pinpoint ball（7）Can be around fixed point pole（37）Rotate.Fixed point ball（7）It is fixedly connected space straight
Line（6）One end, space line（6）The other end is fixedly connected dynamic point ball（3）, dynamic point ball（3）It is provided with dynamic point ball groove（2）, dynamic point
Ball groove（2）Inside comprise guide rod（44）, guide rod（44）It is cylindrical tube；Dynamic point ball（3）And guide rod（44）By pin（55）Connect, guide rod
（44）It is provided with stem guiding trough（45）, pin（55）Can be in stem guiding trough（45）Interior slide anteroposterior, makes dynamic point ball（3）Along guide rod（44）In front and back
Mobile；Guide rod（44）The cylindrical tube of rear end is shut by thin-walled, is cut into in-line hole at thin-walled, is connected to dynamic point with in-line hole
Front projection, guide rod（44）Always perpendicular to perspective plane.
Projection join line mechanism includes pan carriage, change gear（42）, change gear axle（5）, pulley（26）, pulley spindle（24）, flexible strand
（35）, rope support（20）.Pan carriage has two, is upper pan carriage respectively（16）With left frame（31）.Pan carriage is c-type bar shaped knot
Structure, pan carriage two ends are hooked on projection plate（23）On.Pan carriage is provided with bar shaped locating slot（50）, locating slot（50）On have cunning
Groove（33）, chute（33）Compare locating slot（50）Narrow.Left frame（31）Upper end is provided with change gear axle（5）, change gear axle（5）On be cased with hang
Wheel（42）, change gear（42）Ride over projection plate（23）Upper end.In projection plate（23）After, upper pan carriage（16）With left frame
（31）It is respectively arranged at two ends with pulley spindle（24）, pulley spindle（24）On be cased with pulley（26）, pulley（26）It is provided with two slideways, each
Slideway is respectively wound with a flexible strand（35）, flexible strand（35）Have four, each pulley（26）On be wound with two flexible strand
（35）, every flexible strand（35）Two ends be separately fixed at projection plate（23）The rope support of two sides（20）On.Rope support（20）Total
Eight, rope support（20）Projection plate is symmetrically fixed on by screw（23）On the angle of four sides.Every flexible strand（35）Bypass pulley
（26）Rear steering is to another pulley of same pan carriage（26）, turn again to and rope support（20）Connect, become Z or anti-Z shape；
Another flexible strand corresponding thereto（35）Fixation and trend with previous bar flexible strand（35）Symmetrically, two flexible strand（35）With with
One pulley（26）Winding direction contrary；To guarantee that pan carriage can be in projection plate（23）Upper translational motion.
Mechanism of linear projection includes fixed point, dynamic point, linear projection and dynamic point projection join line（10）, pinpoint and include pinpointing front
Projection, point level projection and fixed point side projection, each projection is by fixed point bearing（62）, rotating shaft（48）, fixed point wind spring（47）
With linear projection's composition, pinpoint groove（60）Fixed point bearing is inside installed（62）, pinpoint bearing（62）Inner ring is installed with rotating shaft
（48）, rotating shaft（48）It is provided with fixed point wind spring（47）, pinpoint wind spring（47）The inner and rotating shaft（48）Connect, pinpoint wind spring（47）
Outer end be connected with linear projection, linear projection is flexible thin strip, is divided into straight line front projection（38）, straight horizontal projection
（28）With straight line side projection（15）, linear projection's one ends wound is in fixed point wind spring（47）On, the other end reaches projection plate
（23）On, it is connected with dynamic point；Linear projection is in fixed point wind spring（47）Pulling under always exceptionally straight in projection plate（23）On.In fixed point
At floor projection and fixed point side projection, pinpoint bearing（62）It is cased with point level projection hat outside inner ring（27）With fixed point side
Projection hat（14）, point level projection hat（27）With fixed point side projection cap（14）It is provided with fixed point opening（59）, linear projection lead to
Cross fixed point opening（59）Reach projection plate（23）On, it is connected with dynamic point projection.
Dynamic point includes dynamic point front projection, dynamic point floor projection and dynamic point side projection, and each projection is by slide block（52）, dynamic
Spot projection fixture block, pin（53）, dynamic point shell, dynamic point projection join line（10）With dynamic point cap composition, dynamic point floor projection and dynamic point side
Face projection also includes dynamic point wind spring（46）.Slide block（52）It is the assembly of cuboid with cylindrical hole and cylinder, cylinder leads to
In the hole is provided with two dynamic point projection fixture blocks, and dynamic point projection fixture block is half ladder circle cylindricality, and two dynamic point projection fixture blocks are by pin
（53）Connect into stepped cylindrical, dynamic point projection fixture block can be in slide block（52）Through hole in rotation；Dynamic point projection fixture block transfer point is just
Face projects fixture block（54）, dynamic point floor projection fixture block（57）With dynamic point side projection fixture block, dynamic point floor projection fixture block（57）With
Dynamic point side projection fixture block shape is identical, dynamic point front projection fixture block（54）Than another two projection fixture block one " T " more than the front end
Type block, T-shape block is inserted into guide rod（44）Yi word pattern in the hole and guide rod（44）It is connected.Slide block（52）Rectangular body side surface with flat
Move the locating slot of frame（50）Side coordinates, slide block（52）The face of cylinder and pan carriage chute（33）Two sides coordinate, slide block（52）
Can be in locating slot（50）And chute（33）Interior slip.Linear projection is clamped, directly in contact surface between two dynamic point projection fixture blocks
Line projection's pin（53）It is fixedly connected on dynamic point projection fixture block.The dynamic point wind spring of dynamic point floor projection and dynamic point side projection
（46）The inner is fixedly connected on slide block（52）Cylinder on, dynamic point wind spring（46）Outer end and dynamic point projection join line（10）Connect.
The outside of three projections of dynamic point is cased with dynamic point projection shell, and dynamic point projects shell transfer point front projection shell（39）, dynamic point floor projection
Shell（41）Survey face projection shell with dynamic point, dynamic point projection shell is cylindrical tube, cut with rectangular channel thereon and coordinate with pan carriage.Dynamic point is thrown
Shadow line（10）It is a resilient flexible strand of tool（35）, dynamic point projection join line（10）From dynamic point floor projection shell（41）Upper end
Circular hole draw after, through dynamic point front projection shell（39）Lower end and right-hand member circular hole, by dynamic point side projection shell left end justify
Hole is connected to dynamic point wind spring（46）On.In dynamic point wind spring（46）With dynamic point projection join line（10）Under elastic reaction, always give dynamic point
Floor projection shell（41）With side projection shell to one, dynamic point front projection direction pulling force.Dynamic point cap is divided into dynamic point front projection
Cap（40）, dynamic point floor projection cap（29）With dynamic point side projection cap（17）, dynamic point front projection cap（40）It is provided with cylinder to lead to
Hole, so that guide rod（44）Pass through.Dynamic point cap passes through tight fit connection on the external cylindrical surface of dynamic point shell.
Link gear includes pin（55）, guide rod（44）, pipe cut（56）, flexible pipe（1）, pipe ring frame（49）, flexible pipe support
（61）, steel wire rope（30）, wire rope pulley（43）, steel wire rope support（32）, wire rope pulley axle（58）, sheave（12）, fluted roller shaft
（63）, cotton rope（64）, spool seat（18）, spool（19）And movable stand.Guide rod（44）Pipe in be provided with pipe cut（56）, pipe section（56）
It is lamellar, with guide rod（44）It is one；Flexible pipe（1）One end be fixed on pipe cut（56）On, pipe ring frame（49）It is fixed on dynamic point
Front projection shell（39）On, flexible pipe support（61）It is fixed on left frame（31）Middle part, flexible pipe（1）Through stem guiding trough（45）Draw
To guide rod（44）Outside, be fixed on left frame（31）Flexible pipe support（61）Top, flexible pipe（1）Length depend on space
Straight line（6）It is required length during plumb line.Steel wire rope support（32）Left frame is fixed on by screw（31）Lower end, steel wire rope
Frame（32）Wire rope pulley axle is installed（58）, wire rope pulley axle（58）On be cased with wire rope pulley（43）；Flexible pipe（1）In
It is provided with steel wire rope（30）, steel wire rope（30）Can be in flexible pipe（1）Middle movement.Steel wire rope（30）One end is fixed on dynamic point ball（3）'s
Pin（55）On, through flexible pipe（1）With dynamic point floor projection shell（41）, further around wire rope pulley excessively（43）, u-turn is fixed on
Dynamic point floor projection shell（41）Below.With moving down dynamic point ball on hand（3）When, drive left frame（31）Move left and right and upper flat
Move frame（16）Move up and down, drive the front projection of dynamic point to move up and down simultaneously, and the floor projection of dynamic point is only with translation
Frame moves left and right, steel wire rope（30）In flexible pipe（1）There is no relative movement, the floor projection of dynamic point can not move up and down；Use handss
Move dynamic point ball in front and back（3）When, moreover it is possible to move up and down while the floor projection of dynamic point moves left and right with pan carriage；This be by
In moving forward dynamic point ball（3）, dynamic point ball（3）Pin（55）Pull steel wire rope（30）Reach, by steel wire rope（30）Drive dynamic
Point floor projection moves down；Move dynamic point ball backward（3）When, pipe cuts（56）The steel wire rope at place（30）After move, dynamic point wind spring（46）Draw
Dynamic point floor projection shell（41）Upwards.The dynamic point floor projection amount of moving up and down is exactly equal to dynamic point ball（3）Rear front amount of movement；
Meet projection law.Thus realizing dynamic point ball（3）Position and dynamic point floor projection position linkage, upper pan carriage（16）And a left side
Pan carriage（31）Centre is separately installed with fluted roller shaft（63）, fluted roller shaft（63）On be cased with sheave（12）, sheave（12）Groove inner sleeve
There is cotton rope（64）；Upper movable stand right-hand member and move to left moving frame lower end and be provided with spool seat（18）, move to left the spool seat of moving frame（18）And steel
Cord frame（32）It is made of one, spool seat（18）It is provided with two stepped cylindrical through holes, the through hole outside perspective plane is big, big is logical
In the hole is fixedly connected cable tube（19）, spool（19）It is flexible material, has two, be arranged in parallel within the back side on perspective plane, line
Pipe（19）Two ends be connected respectively to movable stand and move to left the spool seat of moving frame（18）On, spool（19）Inside there is cotton rope
（64）；Cotton rope（64）It is the steel wire rope of a closing（30）, bypass sheave（12）Pass through the dynamic of floor projection and side projection afterwards
Point shell, enters back into spool（19）Interior, cotton rope（64）Can be in spool（19）Interior stretching is moved.By floor projection dynamic point shell two
Bar cotton rope（64）In, left side cotton rope（64）It is fixedly connected on dynamic point shell, the right cotton rope（64）Through dynamic point shell；Thrown by side
The two lines rope of shadow dynamic point shell（64）, following cotton rope（64）It is fixedly connected on dynamic point shell, top cotton rope（64）Through dynamic point shell.
The floor projection ensureing dynamic point with this moves up and down drive side projection and moves left and right, and the distance of movement is equal.Steel wire rope
（30）Length depend on space line（6）It is required length during vertical profile line.
During use, move dynamic point ball with handss（3）, control dynamic point front projection diverse location, the floor projection of dynamic point and
Side projection is servo-actuated to put in place.Thus being not difficult to be put into space line（6）7 kinds of positions.
Perspective plane, guide rod（44）, guide rod cap（4）, flexible pipe（1）, steel wire rope（30）, sheave（12）, fluted roller shaft（63）, line
Pipe（19）Seat（18）, steel wire rope support（32）With fixed point frame（9）Using white, space line（6）With linear projection using blue, fixed
Penalty kick（7）, dynamic point ball（3）, dynamic point projection and fixed point projection using red, projection join line, font and scale adopt black, cotton rope
（64）, spool（19）, pan carriage adopt transparent material.
Figure 15 is the embodiment of frontal line projection.
Figure 16 is the embodiment of horizontal line projection.Before being put into horizontal line, first extract fixed point side projection cap（14）.
Figure 17 is the embodiment of profile line projection.Before being put into profile line, first extract point level projection hat（27）.
Figure 18 is the embodiment of vertical frontal line projection.Before being put into vertical frontal line, first move dynamic point ball（3）Position to convergence vertical frontal line
Put, extract guide rod cap（4）, stem guiding trough（45）Front end is opening, then from stem guiding trough（45）Dynamic point ball is pulled out at opening（3）, make
Dynamic point ball（3）Depart from guide rod（44）, then move dynamic point ball（3）To space line（6）Perpendicular to projection plate（23）, then dynamic point
Front projection, floor projection and front projection swing to tram.Also removable lay down guide rod（44）：Rotating guide（44）Make
Dynamic point front projection fixture block（54）T-shape block alignment guide rod（44）Yi word pattern hole, guide rod can be extracted（44）.
Figure 19 is the embodiment of vertical line projection.Before being put into plumb line, first extract point level projection hat（27）.
Figure 20 is the embodiment of vertical profile line projection.Before being put into vertical profile line, first extract fixed point side projection cap（14）.
Claims (1)
1. the straight line three-plane projection demonstration board of the drawing linkage of a kind of carrying space model spool, including projection plate, space line mould
Type mechanism, projection join line mechanism, mechanism of linear projection and link gear；It is characterized in that：Projection plate is provided with X-axis, YH axle, Yw axle
And Z axis, X-axis, YH axle, Yw axle and Z axis are divided into frontal plane of projection, horizontal plane, lateral projection face and YH Yw face projection plate；YH
Yw face is provided with angle separated time；If the end points of space line section is fixed point and dynamic point；Fixed point is motionless point, the orthographic projection of fixed point
Face, floor projection and side projection are respectively equipped with fixed point groove, and fixed point groove is ladder circular hole；The frontal plane of projection of fixed point and floor projection
Line vertical X axis, the line vertical Z axle of the frontal plane of projection of fixed point and side projection, above-mentioned two lines and fixed point level
Project to the horizontal line of angle separated time, the vertical line of the side projection of fixed point to angle separated time forms a rectangle, is set to fixed point projection even
Line；X-axis, YH axle, Yw axle, the truncation surface of Z axis, fixed point projection join line and angle separated time are rectangular channels；Space line model mechanism wraps
Include fixed point frame, fixed point frame bearing, fixed point pole, fixed point ball, fixed point axle, space line, dynamic point ball, guide rod, pin, guide rod cap；
Fixed point frame is fixed on projection plate by screw, and fixed point frame is made up of Z-shaped plate and cylinder, and cylinder is provided with shoulder hole, and ladder in the hole is pacified
Set a frame bearing, fixed point pole is installed in fixed point frame bearing, the other end of fixed point pole is cut into flat；It is fixed that fixed point ball cuts with
Point ball groove, the flat contact surface pinpointing ball groove with fixed point pole is gap cooperation, and the flat of fixed point pole and fixed point round bur have logical
Hole, is provided with fixed point axle in through hole, fixed point axle connects fixed point pole and fixed point ball, and fixed point ball can turn around fixed point pole
Dynamic；Fixed point ball is fixedly connected one end of space line, and the space line other end is fixedly connected dynamic point ball, and dynamic point ball is provided with dynamic point ball
Groove, comprises guide rod in dynamic point ball groove, guide rod is cylindrical tube；Dynamic point ball and guide rod are connected by pin, and guide rod is provided with stem guiding trough, pin
Can in stem guiding trough slide anteroposterior, make dynamic point ball along guide rod move forward and backward；The cylindrical tube of guide rod rear end is shut by thin-walled, in thin-walled
In-line hole is cut at place, is connected to the front projection of dynamic point with in-line hole, and guide rod is always perpendicular to perspective plane；Projection join line machine
Structure includes pan carriage, change gear, change gear axle, pulley, pulley spindle, flexible strand, rope support；Pan carriage has two, is upper pan carriage respectively
With left frame；Pan carriage is c-type strip structure, and pan carriage two ends are hooked on projection plate；Pan carriage is provided with bar shaped positioning
Groove, locating slot has chute, and chute is narrower than locating slot；Left frame upper end is provided with change gear axle, and change gear axle is cased with change gear, hangs
Wheel rides over projection plate upper end；After projection plate, upper pan carriage and left frame are respectively arranged at two ends with pulley spindle, on pulley spindle
It is cased with pulley, pulley is provided with two slideways, each slideway is respectively wound with a flexible strand, flexible strand has four, each pulley
On be wound with two flexible strand, the two ends of every flexible strand are separately fixed on the rope support of projection plate two sides；Rope support has eight
Individual, rope support is symmetrically fixed on the angle of four sides of projection plate by screw；Every flexible strand bypasses pulley rear steering to same
Another pulley of pan carriage, turns again to be connected with rope support, becomes Z or anti-Z shape；The consolidating of another flexible strand corresponding thereto
Fixed and trend is symmetrical with previous bar flexible strand, and two flexible strand are contrary with the winding direction of same pulley；To guarantee pan carriage energy
Translational motion on projection plate；Mechanism of linear projection includes fixed point, dynamic point, linear projection and dynamic point projection join line, and fixed point includes
Fixed point front projection, point level projection and fixed point side projection, each projection is by fixed point bearing, rotating shaft, fixed point wind spring and straight
Line projection forms, and is provided with fixed point bearing in fixed point groove, and fixed point bearing inner race is installed with rotating shaft, and rotating shaft is provided with fixed point volume
Spring, the inner of fixed point wind spring is connected with rotating shaft, and the outer end of fixed point wind spring is connected with linear projection, and linear projection is flexible sheet
Shape, be divided into straight line front projection, straight horizontal projection and straight line side projection, linear projection's one ends wound fixed point wind spring on,
The other end reaches on projection plate, is connected with dynamic point；Linear projection fixed point wind spring pulling under always exceptionally straight on projection plate；
At point level projection and fixed point side projection, it is cased with point level projection hat outside fixed point bearing inner race and fixed point side is thrown
Shadow cap, point level projection hat and fixed point side projection cap are provided with fixed point opening, and linear projection reaches throwing by pinpointing opening
On shadow plate, it is connected with dynamic point projection；Dynamic point includes dynamic point front projection, dynamic point floor projection and dynamic point side projection, each throwing
Shadow projects fixture block by slide block, dynamic point, pin, dynamic point shell, dynamic point projection join line and dynamic point cap form, dynamic point floor projection and dynamic point
Side projection also includes dynamic point wind spring；Slide block is the assembly of cuboid with cylindrical hole and cylinder, sets in cylindrical hole
There are two dynamic point projection fixture blocks, dynamic point projection fixture block is half ladder circle cylindricality, two dynamic point projection fixture blocks connect into rank by pin
Terraced cylinder, dynamic point projection fixture block can rotate in the through hole of slide block；Dynamic point projection fixture block transfer point front projection fixture block, dynamic point water
Flat projection fixture block and dynamic point side projection fixture block, dynamic point floor projection fixture block is identical with dynamic point side projection fixture block shape, dynamic point
Front projection fixture block is inserted into the yi word pattern in the hole of guide rod than another two projection fixture block T-shape block more than the front end, T-shape block
It is connected with guide rod；The cooperation of locating slot side, the face of cylinder of slide block and the pan carriage chute of the rectangular body side surface of slide block and pan carriage
Two sides coordinate, and slide block can slide in locating slot and chute；Straight line is clamped in contact surface between two dynamic point projection fixture blocks
Projection, linear projection's pin is fixedly connected on dynamic point projection fixture block；Dynamic point floor projection and the dynamic point of dynamic point side projection
Wind spring the inner is fixedly connected on the cylinder of slide block, and the outer end of dynamic point wind spring is connected with dynamic point projection join line；Three projections of dynamic point
Outside be cased with dynamic point projection shell, dynamic point projection shell transfer point front projection shell, dynamic point floor projection shell and dynamic point survey face projection
Shell, dynamic point projection shell is cylindrical tube, cuts with rectangular channel thereon and coordinates with pan carriage；Dynamic point projection join line is one and has elasticity
Flexible strand, after the circular hole from dynamic point floor projection shell upper end for the dynamic point projection join line is drawn, through under dynamic point front projection shell
End and right-hand member circular hole, are connected on dynamic point wind spring by dynamic point side projection shell left end circular hole；In dynamic point wind spring and dynamic point projection
Under line elastic reaction, always give dynamic point floor projection shell and side projection shell to one, dynamic point front projection direction pulling force；Dynamic
Point cap is divided into dynamic point front projection cap, dynamic point floor projection cap and dynamic point side projection cap, and dynamic point front projection cap is provided with circle
Post through hole, so that guide rod passes through；Dynamic point cap passes through tight fit connection on the external cylindrical surface of dynamic point shell；Link gear includes post
Pin, guide rod, pipe cut, flexible pipe, pipe ring frame, flexible pipe support, steel wire rope, wire rope pulley, steel wire rope support, wire rope pulley axle,
Sheave, fluted roller shaft, cotton rope, spool seat, spool and movable stand；It is provided with pipe in the pipe of guide rod to cut, it is lamellar that pipe cuts, and is one with guide rod
Body；One end of flexible pipe is fixed on pipe and cuts, and pipe ring frame is fixed on dynamic point front projection shell, and flexible pipe support is fixed on left
In the middle part of frame, flexible pipe guides to the outside of guide rod through stem guiding trough, is fixed on left frame flexibility pipe support top, the length of flexible pipe
It is required length during plumb line depending on space line；Steel wire rope support is fixed on left frame lower end, steel wire rope by screw
Frame is provided with wire rope pulley axle, and wire rope pulley axle is cased with wire rope pulley；It is provided with steel wire rope, steel wire rope energy in flexible pipe
Flexible pipe moves；Steel wire rope one end is fixed on the pin of dynamic point ball, through flexible pipe and dynamic point floor projection shell, further around
Cross wire rope pulley, it is following that u-turn is fixed on dynamic point floor projection shell；Upper movable stand is separately installed with groove with moving to left in the middle of moving frame
Wheel shaft, fluted roller shaft is cased with sheave, and the groove inner sleeve of sheave has cotton rope；Upper movable stand right-hand member and move to left moving frame lower end and be provided with spool
Seat, moves to left the spool seat of moving frame and steel wire rope support is made of one, spool seat is provided with two stepped cylindrical through holes, outside perspective plane
Through hole big, be fixedly connected cable tube in big through hole, spool is flexible material, have two, be arranged in parallel within perspective plane
The back side, spool two ends be connected respectively to movable stand and move to left on the spool seat of moving frame, have cotton rope in spool；Cotton rope is one
The steel wire rope of bar closing, passes through the dynamic point shell of floor projection and side projection, enters back in spool, cotton rope energy after bypassing sheave
In spool, stretching is moved；In two lines rope by floor projection dynamic point shell, left side cotton rope is fixedly connected on dynamic point shell, right
Restrict through dynamic point shell in sideline；By the two lines rope of side projection dynamic point shell, following cotton rope is fixedly connected on dynamic point shell, top
Cotton rope passes through dynamic point shell；The floor projection that dynamic point is ensured with this move up and down linkage side projection move left and right, and movement away from
From equal；The length of steel wire rope is required length during vertical profile line depending on space line；Perspective plane, guide rod, guide rod cap, soft
Property pipe, steel wire rope, sheave, fluted roller shaft, spool seat, steel wire rope support and fixed point frame using white, space line and linear projection adopt
With blueness, using redness, projection join line, font and scale adopt black for fixed point ball, dynamic point ball, dynamic point projection and fixed point projection,
Cotton rope, spool, pan carriage adopt transparent material.
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| CN201611134919.5A CN106485988B (en) | 2016-12-11 | 2016-12-11 | The straight line three-plane projection demonstration board of the drawing linkage of carrying space model spool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020000114A1 (en) * | 2018-06-29 | 2020-01-02 | Universidad Técnica Federico Santa María | Device and method for securing and assembling experiments arranged vertically on a surface |
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Effective date of registration: 20190325 Address after: 510000 Hualiyuan Huali Road, Guangshan Highway, Zengcheng, Guangzhou, Guangdong Province Patentee after: Guangzhou Huali College of Science and Technology Address before: 110870 No. 111 Shenyang West Road, Shenyang economic and Technological Development Zone, Shenyang, Liaoning Patentee before: Shenyang University of Technology |