CN206388396U - 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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- CN206388396U CN206388396U CN201621355139.9U CN201621355139U CN206388396U CN 206388396 U CN206388396 U CN 206388396U CN 201621355139 U CN201621355139 U CN 201621355139U CN 206388396 U CN206388396 U CN 206388396U
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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 utility model adds spatial model and the structure linked using linear space model with linear projection on the basis of the straight line three-plane projection demonstration board of the former drawing linkage of flexible drawing spool, in particular by the structure of mobile closing cotton rope in the spool and spool of two fixed length, it is ensured that the distance of the floor projection of dynamic point to X-axis is equal to side projection to the distance of Z axis.More intuitively show the relation for the change that the change in location of space line is projected with it.It is easy to operate, as long as controlling the front projection of dynamic point when using, dynamic point floor projection and side projection can be just affected automatically, can show the frontal line of space line, horizontal line, profile line, vertical frontal line, plumb line, 7 kinds of positions of vertical profile line and parallax.Demonstrating effect is obviously improved.Make straight line three-plane projection demonstration board more perfect.
Description
Technical field
The utility model is related to the carrying space model spool used in a kind of demonstration teaching aid, especially Engineering Drawing Course
The straight line three-plane projection demonstration board of drawing linkage.
Background technology
In Engineering Drawing Course, represent projection of the locus of straight line on three perspective planes to determine, 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 Z axle of the front projection of individual end points and the line vertical X axis of floor projection, front projection and side projection, level
The distance for projecting to X-axis is equal to side projection to the distance of Z axis.Space line has seven kinds of situations with respect 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, needs
Demonstrate this seven kinds of straight lines respectively with front projection, floor projection and side projection.At present, it is to use seven to demonstrate this seven kinds of straight lines
Individual mock-up teaching aid.It has the disadvantage that model quantity is more, bulky, and carrying, mobile and suspension are inconvenient.Author is in preceding practicality
The new straight line three-plane projection demonstration board of the drawing linkage of flexible drawing spool（2016104261688）, although solve
Problem is stated, but does not have linear space model, it is impossible to lively, direct presentation space straight line change and corresponding projection change.
The content of the invention
In order to solve the above problems, the utility model provides a kind of face of straight line three of the drawing linkage of carrying space model spool
Projection demonstration plate, the utility model adds on the basis of the straight line three-plane projection demonstration board of the former drawing linkage of flexible drawing spool
Entered spatial model and the structure linked using linear space model and linear projection, more show the change in location of space line with
The relation of its change projected, makes straight line three-plane projection demonstration board more perfect.
The utility model solves the technical scheme that its technical problem used：The drawing linkage of carrying space model spool
Straight line three-plane projection demonstration board includes projection plate, space line model mechanism, projection join line mechanism, mechanism of linear projection and linkage
Mechanism.
Projection plate is provided with X-axis, YH axles, Yw axles and Z axis, and projection plate is divided into orthographic projection by X-axis, YH axles, Yw axles and Z axis
Face, horizontal plane, lateral projection face and YH Yw faces.YH Yw faces are 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 frontal plane of projection, floor projection and the side projection of fixed point are respectively equipped with fixed point groove, pinpoint groove
It is ladder circular hole.The frontal plane of projection of fixed point and the line vertical X axis of floor projection, the frontal plane of projection of fixed point and the company of side projection
The horizontal line of line vertical Z axle, above-mentioned two lines and the floor projection pinpointed to angle separated time, the side projection of fixed point to angle separated time
Vertical line constitute a rectangle, be set to pinpoint projection join line.X-axis, YH axles, Yw axles, 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 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 by Z-shaped plate and cylinder structure
Into cylinder, which is provided with shoulder hole, shoulder hole, installs fixed point frame bearing, is provided with fixed point pole in fixed point frame bearing, pinpoints pole
The other end be cut into flat；Fixed point ball cuts with fixed point ball groove, and fixed point ball groove is that gap coordinates with the flat contact surface for pinpointing pole,
The flat of fixed point pole has with fixed point round bur is provided with fixed point axle in through hole, through hole, fixed point axle connects pole and fixed point ball is pinpointed
Connect together, fixed point ball can be rotated around fixed point pole.Fixed point ball is fixedly connected with one end of space line, and the space line other end is fixed
Dynamic point ball is connected, dynamic point ball, which is provided with dynamic point ball groove, dynamic point ball groove, includes guide rod, and guide rod is cylindrical tube；Dynamic point ball and guide rod by
Pin is connected, and guide rod is provided with stem guiding trough, and pin can slide back and forth in stem guiding trough, makes dynamic point ball movable along guide rod；Guide rod
The cylindrical tube of rear end is shut by thin-walled, and in-line hole is cut at thin-walled, and the front projection of dynamic point is connected to in-line hole, is led
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
It is 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, locating slot and is provided with 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.Behind projection plate, upper pan carriage and left frame two ends are set respectively
Have and pulley is cased with pulley spindle, pulley spindle, pulley is respectively wound with a flexible strand, flexible strand provided with two slideways, each slideway
Have and two flexible strands are wound with four, each pulley, 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
Rear steering is taken turns to another pulley of same pan carriage, turns again to be connected with rope support, into Z or anti-Z shapes；Corresponding thereto
The fixation of another flexible strand and trend and previous bar flexible strand are symmetrical, two flexible strands and the winding direction phase of same pulley
Instead；To ensure that pan carriage can the 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 and thrown
Shadow, point level projection and fixed point side projection, each projection are made up of fixed point bearing, rotating shaft, fixed point wind spring and linear projection,
Fixed point bearing is installed, fixed point bearing inner race is installed with rotating shaft, and rotating shaft pinpoints wind spring provided with fixed point wind spring in fixed point groove
The inner be connected with rotating shaft, pinpoint wind spring outer end be connected with linear projection, linear projection is flexible thin strip, is being divided into straight line just
Face projection, straight horizontal projection and straight line side projection, linear projection's one ends wound is on fixed point wind spring, and the other end reaches throwing
On shadow plate, it is connected with dynamic point；Linear projection is always exceptionally straight on projection plate under the pulling of fixed point wind spring.In point level projection
At fixed point side projection, point level projection hat and fixed point side projection cap, point level are cased with the outside of fixed point bearing inner race
Projection hat and fixed point side projection cap are open provided with fixed point, and linear projection is reached on projection plate by pinpointing opening, with dynamic point
Projection connection.
Dynamic point includes dynamic point front projection, dynamic point floor projection and dynamic point side projection, and each projection is thrown by sliding 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.Sliding block is provided with two dynamic points projections in the assembly of the cuboid and cylinder that carry cylindrical hole, 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, dynamic point projection by pin
Fixture block can rotate in the through hole of sliding block；Dynamic point projects fixture block transfer point front projection fixture block, dynamic point floor projection fixture block and moved
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 projects fixture block T-shape block more than the front end, and T-shape block is inserted into the yi word pattern hole of guide rod to be connected with guide rod.It is sliding
The rectangular body side surface of block and the locating slot side of pan carriage coordinate, and the face of cylinder and the pan carriage chute two sides of sliding block coordinate, sliding
Block can be slided in locating slot and chute.Linear projection, linear projection are clamped in contact surface between two dynamic point projection fixture blocks
It is fixedly connected on pin on dynamic point projection fixture block.Dynamic point wind spring the inner of dynamic point floor projection and dynamic point side projection is fixed to be connected
It is connected on the cylinder of sliding 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
Shell is projected, 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, cuts with rectangular channel and coordinates with pan carriage thereon.Dynamic point projection join line is a flexible flexible strand, and dynamic point is thrown
Shadow line is after the circular hole of dynamic point floor projection shell upper end is drawn, through the lower end of dynamic point front projection shell and right-hand member circular hole, leads to
Dynamic point side projection shell left end circular hole is crossed to be connected on dynamic point wind spring.Under dynamic point wind spring and dynamic point projection join line elastic reaction,
Dynamic point floor projection shell and side projection shell are always given 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 are provided with cylindrical hole, so that guide rod is logical
Cross.Dynamic point cap is by tight fit connection on the external cylindrical surface of dynamic point shell.
Link gear include 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.Provided with pipe in the pipe of guide rod
Cut, it is sheet that pipe, which is cut, be one with guide rod；One end of flexible pipe is fixed on pipe and cut, 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 depends on length required when space line is plumb line.Steel wire rope support is by screw
Left frame lower end is fixed on, steel wire rope support is provided with wire rope pulley axle, wire rope pulley axle and is cased with wire rope pulley；It is soft
Property pipe in be provided with steel wire rope, steel wire rope can move in flexible 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 wire rope pulley is crossed, it is following that u-turn is fixed on dynamic point floor projection shell.With removing down on hand
During dynamic dynamic point ball, drive left frame is moved left and right and upper pan carriage is moved up and down, while driving above and below the front projection of dynamic point
Move left and right, and the floor projection of dynamic point is only moved left and right with pan carriage, steel wire rope is not relatively moved in flexible pipe, dynamic point
Floor projection can not be moved up and down；During with moving dynamic point ball before and after hand, the floor projection of dynamic point with pan carriage move left and right it is same
When, moreover it is possible to move up and down；This is due to move dynamic point ball forward, and the pin of dynamic point ball pulls steel wire rope reach, by rope belt
Dynamic dynamic point floor projection is moved down；When moving dynamic point ball backward, moved after the steel wire rope at pipe section, dynamic point wind spring hauls the throwing of dynamic point level
Shadow shell is upward.The dynamic point floor projection amount of moving up and down is exactly equal to the rear preceding amount of movement of dynamic point ball；Meet projection law.So as to real
The position of existing dynamic point ball is linked with the position of dynamic point floor projection, and sheave is separately installed with the middle of upper pan carriage and left frame
Sheave is cased with axle, fluted roller shaft, the groove inner sleeve of sheave has cotton rope；Upper movable stand right-hand member is provided with spool seat with moving frame lower end is moved to left,
The spool seat and steel wire rope support for moving to left moving frame are made of one, and spool seat is provided with the outside of two stepped cylindrical through holes, perspective plane
Through hole is big, cable tube is fixedly connected with big through hole, spool is flexible material, has two, is arranged in parallel within the back of the body on perspective plane
Face, the two ends of spool are connected respectively on movable stand and the spool seat for moving to left moving frame, there is 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 into spool, and cotton rope can be
Stretching movement in spool.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
Restrict through dynamic point shell.Ensure that the floor projection of dynamic point moves up and down drive side projection and moved left and right with this, and mobile distance
It is equal.The length of steel wire rope depends on length required when space line is vertical profile 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 pinpoint ball, dynamic point ball, dynamic point projection and fixed point projection using red using blueness,
Projection join line, font and scale use black, and cotton rope, spool, pan carriage use transparent material.
The beneficial effects of the utility model are：The structure linked using space line model mechanism and linear projection, especially
It is the structure of mobile closing cotton rope in the spool and spool using two fixed length, the position for more intuitively showing space line becomes
Change the relation of the change projected with it.It is easy to operate, if control dynamic point front projection, affect automatically 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 of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the integrally-built above stereogram of expression.
Fig. 2 is the integrally-built rear isometric view of expression.
Fig. 3 is front view.
Fig. 4 is the left view along AA cuttings on Fig. 3.
Fig. 5 is the rearview along EE cuttings on Fig. 4.
Fig. 6 be on Fig. 3 along BB cuttings tiltedly cut open partial view of becoming a full member.
Fig. 7 is the rearview along FF cuttings on Fig. 4.
Fig. 8 be on Fig. 3 along CC cuttings tiltedly cut open partial view of becoming a full member.
Fig. 9 is the partial sectional view along DD cuttings on Fig. 8.
Figure 10 is the partial sectional view along GG cuttings on Fig. 4.
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.
1. flexible pipe in figure, 2. dynamic point ball grooves, 3. dynamic point balls, 4. guide rod caps, 5. change gear axles, 6. space lines, 7.
Ball is pinpointed, 8. fixed point ball grooves, 9. fixed point framves, 10. dynamic point projection join lines, 11.Z axles, 12. sheaves, 13. fixed point projections connect
Line, 14. fixed point side projection caps, 15. straight line side projections, pan carriage, 17. dynamic point side projection caps, 18. spools on 16.
Seat, 19. spools, 20. rope supports, 21. jiaos of separated times, 22. Yw axles, 23. projection plates, 24. pulley spindles, 25. YH axles, 26. slide
Wheel, 27. point level projection hats, the projection of 28. straight horizontals, 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 strands, 36. fixed point frame bearings, 37. fixed point poles,
38. straight line front projection, 39. dynamic point front projection shells, 40. dynamic point front projection caps, 41. dynamic point floor projection shells,
42. change gear, 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. sliding blocks, 53. pins, 54. dynamic point front projection fixture blocks, 55.
Pin, 56. pipes are cut, 57. dynamic point floor projection fixture blocks, 58. wire rope pulley axles, 59. fixed point openings, 60. fixed point grooves,
61. flexible pipe support, 62. fixed point bearings, 63. fluted roller shafts, 64. cotton ropes.
Embodiment
In Fig. 1 into Figure 14, connection and the position relationship of contexture of the present utility model and parts are represented, is also to incline
The embodiment of oblique line.The straight line three-plane projection demonstration board of the drawing linkage of carrying space model spool includes projection plate（23）, space
Straight 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 axles（25）, Yw axles（22）And Z axis（11）, X-axis（34）, YH axles（25）、
Yw axles（22）And Z axis（11）Projection plate（23）It is divided into frontal plane of projection, horizontal plane, lateral projection face and YH Yw faces.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.The frontal plane of projection of fixed point and
The line vertical X axis of floor projection（34）, the frontal plane of projection of fixed point and the line vertical Z axle of side projection（11）, above-mentioned two
Line and the floor projection pinpointed to angle separated time（21）Horizontal line, the side projection of fixed point is to angle separated time（21）Vertical line composition
One rectangle, is set to pinpoint projection join line（13）.X-axis（34）, YH axles（25）, Yw axles（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 fixed point frame（9）, fixed point frame bearing（36）, fixed point pole（37）, fixed point ball（7）、
Pinpoint axle（51）, space line（6）, dynamic point ball（3）, guide rod（44）, pin（55）, guide rod cap（4）.Pinpoint 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, which is provided with shoulder hole, shoulder 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；It is 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 coordinate, fixed point branch
Bar（37）Flat and fixed point ball（7）It is drilled with through hole, through hole and fixed point axle is installed（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.Pinpoint ball（7）It is fixedly connected with space straight
Line（6）One end, space line（6）The other end is fixedly connected with dynamic point ball（3）, dynamic point ball（3）Provided with dynamic point ball groove（2）, dynamic point
Ball groove（2）It is interior to include guide rod（44）, guide rod（44）It is cylindrical tube；Dynamic point ball（3）And guide rod（44）By pin（55）Connection, guide rod
（44）Provided with stem guiding trough（45）, pin（55）Can be in stem guiding trough（45）Inside slide back and forth, make dynamic point ball（3）Along guide rod（44）It is front and rear
It is mobile；Guide rod（44）The cylindrical tube of rear end is shut by thin-walled, and in-line hole is cut at thin-walled, and dynamic point is connected to 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 be provided with cunning
Groove（33）, chute（33）Compare locating slot（50）It is 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）Behind, upper pan carriage（16）With left frame
（31）Two ends are respectively equipped with pulley spindle（24）, pulley spindle（24）On be cased with pulley（26）, pulley（26）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 strands
（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）It is shared
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）Another pulley of rear steering to same pan carriage（26）, turn again to and rope support（20）Connection, into Z or anti-Z shapes；
Another flexible strand corresponding thereto（35）Fixation and trend and previous bar flexible strand（35）Symmetrically, two flexible strand（35）With it is same
One pulley（26）Winding direction it is opposite；To ensure 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）, it is positive that fixed point includes fixed point
Projection, point level projection and fixed point side projection, are each projected by fixed point bearing（62）, rotating shaft（48）, fixed point wind spring（47）
With linear projection's composition, groove is pinpointed（60）Fixed point bearing is inside installed（62）, pinpoint bearing（62）Inner ring is installed with rotating shaft
（48）, rotating shaft（48）Provided with fixed point wind spring（47）, pinpoint wind spring（47）The inner and rotating shaft（48）Connection, pinpoints 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 it is always exceptionally straight in projection plate（23）On.In fixed point
At floor projection and fixed point side projection, bearing is pinpointed（62）Point level projection hat is cased with the outside of inner ring（27）With fixed point side
Projection hat（14）, point level projection hat（27）With fixed point side projection cap（14）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, each projects by sliding block（52）, it is 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）.Sliding block（52）It is the assembly of the cuboid and cylinder that carry cylindrical hole, cylinder leads to
Provided with two dynamic point projection fixture blocks in hole, dynamic point projection fixture block is half ladder circle cylindricality, and two dynamic points project fixture block by pin
（53）Stepped cylindrical is connected into, dynamic point projection fixture block can be in sliding block（52）Through hole in rotate；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 hole in and guide rod（44）It is connected.Sliding block（52）Rectangular body side surface with it is flat
Move the locating slot of frame（50）Side coordinates, sliding block（52）The face of cylinder and pan carriage chute（33）Two sides coordinate, sliding block（52）
Can be in locating slot（50）And chute（33）It is interior to slide.Linear projection is clamped in contact surface between two dynamic point projection fixture blocks, directly
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 sliding block（52）Cylinder on, dynamic point wind spring（46）Outer end and dynamic point projection join line（10）Connection.
The outside of three projections of dynamic point is cased with dynamic point projection shell, dynamic point projection shell transfer point front projection shell（39）, dynamic point floor projection
Shell（41）Face projection shell is surveyed with dynamic point, dynamic point projection shell is cylindrical tube, and rectangular channel is cut with thereon and is coordinated with pan carriage.Dynamic point is thrown
Shadow line（10）It is a flexible flexible strand（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, pass through 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 to 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 logical provided with cylinder
Hole, so as to guide rod（44）Pass through.Dynamic point cap is by 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 provided with pipe cut（56）, pipe section（56）
It is sheet, 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）Required length when being 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
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 dynamic point ball down on hand（3）When, drive left frame（31）Move left and right and upper flat
Move frame（16）Move up and down, while drive the front projection of dynamic point to move up and down, and the floor projection of dynamic point is only with translation
Frame is moved left and right, steel wire rope（30）In flexible pipe（1）Do not relatively move, the floor projection of dynamic point can not be moved up and down；Use hand
It is front and rear to move dynamic point ball（3）When, while the floor projection of dynamic point is moved left and right with pan carriage, moreover it is possible to move up and down；This be by
In moving dynamic point ball forward（3）, dynamic point ball（3）Pin（55）Pull steel wire rope（30）Reach, by steel wire rope（30）Drive dynamic
Point floor projection is moved down；Dynamic point ball is moved backward（3）When, pipe is cut（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 preceding amount of movement；
Meet projection law.So as to realize dynamic point ball（3）The position of position and dynamic point floor projection link, 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 is provided with spool seat with moving frame lower end is moved to left（18）, move to left the spool seat of moving frame（18）And steel
Cord frame（32）It is made of one, spool seat（18）The through hole being provided with the outside of two stepped cylindrical through holes, perspective plane is big, and big is logical
Cable tube is fixedly connected with hole（19）, spool（19）It is flexible material, has two, is 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 moving frame spool seat（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）It is interior, cotton rope（64）Can be in spool（19）Interior stretching movement.Pass through the two of floor projection dynamic point shell
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.
Ensure that the floor projection of dynamic point moves up and down drive side projection and moved left and right with this, and mobile distance is equal.Steel wire rope
（30）Length depend on space line（6）Required length when being vertical profile line.
In use, moving dynamic point ball with hand（3）, control dynamic point front projection diverse location, the floor projection of dynamic point and
Side projection is servo-actuated in place.So as to be 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）It is fixed with linear projection using blueness
Penalty kick（7）, dynamic point ball（3）, dynamic point projection and fixed point projection using red, projection join line, font and scale use black, cotton rope
（64）, spool（19）, pan carriage use transparent material.
Figure 15 is the embodiment of frontal line projection.
Figure 16 is the embodiment of horizontal line projection.It is put into before horizontal line, first extracts fixed point side projection cap（14）.
Figure 17 is the embodiment of profile line projection.It is put into before profile line, first extracts point level projection hat（27）.
Figure 18 is the embodiment of vertical frontal line projection.It is put into before vertical frontal line, first moves dynamic point ball（3）To the position of 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 correct position.Also it is removable to 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.It is put into before plumb line, first extracts point level projection hat（27）.
Figure 20 is the embodiment of vertical profile line projection.It is put into before vertical profile line, first extracts fixed point side projection cap（14）.
Claims (1)
1. a kind of straight line three-plane projection demonstration board of the drawing linkage 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 axles, Yw axles
And Z axis, projection plate is divided into frontal plane of projection, horizontal plane, lateral projection face and YH Yw faces by X-axis, YH axles, Yw axles and Z axis；YH
Yw faces are 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 and floor projection of fixed point
Line vertical X axis, the frontal plane of projection of fixed point and the line vertical Z axle of side projection, the level of above-mentioned two lines and fixed point
Project to the horizontal line of angle separated time, the vertical line of the side projection of fixed point to angle separated time and constitute a rectangle, be set to fixed point projection and connect
Line；X-axis, YH axles, Yw axles, Z axis, fixed point projection join line and the truncation surface of angle separated time are rectangular channels；Space line model mechanism bag
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, which is provided with shoulder hole, shoulder hole, pacifies
Set and fixed point pole is installed in a frame bearing, fixed point frame bearing, the other end of fixed point pole is cut into flat；It is fixed that fixed point ball is cut with
The flat contact surface of point ball groove, fixed point ball groove and fixed point pole is that gap coordinates, and pinpoints the flat and fixed point round bur of pole and has logical
Fixed point axle is installed, fixed point axle connects fixed point pole and fixed point ball, and fixed point ball can turn around fixed point pole in hole, through hole
It is dynamic；Fixed point ball is fixedly connected with one end of space line, and the space line other end is fixedly connected with dynamic point ball, and dynamic point ball is provided with dynamic point ball
Guide rod is included in groove, 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
It can be slid back and forth in stem guiding trough, make dynamic point ball movable along guide rod；The cylindrical tube of guide rod rear end is shut by thin-walled, in thin-walled
In-line hole is cut at place, the front projection of dynamic point is connected to in-line hole, 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 positioned provided with bar shaped
Chute is provided with groove, locating slot, chute is narrower than locating slot；Left frame upper end is provided with change gear axle, change gear axle and is cased with change gear, hangs
Wheel rides over projection plate upper end；Behind projection plate, upper pan carriage and left frame two ends are respectively equipped with pulley spindle, pulley spindle
Pulley is cased with, pulley is respectively wound with a flexible strand provided with two slideways, each slideway, and flexible strand has four, each pulley
On be wound with two flexible strands, 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, into Z or anti-Z shapes；Another flexible strand corresponding thereto is consolidated
Fixed and trend is symmetrical with previous bar flexible strand, and two flexible strands are opposite with the winding direction of same pulley；To ensure pan carriage energy
The 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, it is each to project by fixed point bearing, rotating shaft, pinpoint wind spring and straight
Line projection is constituted, and fixed point bearing is provided with fixed point groove, and fixed point bearing inner race is installed with rotating shaft, and rotating shaft is rolled up provided with fixed point
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 is reached on projection plate, is connected with dynamic point；Linear projection is always exceptionally straight on projection plate under the pulling of fixed point wind spring；
Project and pinpoint at side projection in point level, point level projection hat is cased with the outside of fixed point bearing inner race and fixed point side is thrown
Shadow cap, point level projection hat and fixed point side projection cap are open provided with fixed point, 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 to throw
Shadow is projected fixture block, pin, dynamic point shell, dynamic point projection join line and dynamic point cap and constituted by sliding block, dynamic point, dynamic point floor projection and dynamic point
Side projection also includes dynamic point wind spring；Sliding block is set in the assembly of the cuboid and cylinder that carry cylindrical hole, cylindrical hole
There are two dynamic point projection fixture blocks, dynamic point projection fixture block is half ladder circle cylindricality, and 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 sliding 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 are identical with dynamic point side projection fixture block shape, dynamic point
Front projection fixture block is inserted into the yi word pattern 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 rectangular body side surface of sliding block and the locating slot side of pan carriage coordinate, the face of cylinder and the pan carriage chute of sliding block
Two sides coordinate, and sliding block can be slided in locating slot and chute；Straight line is clamped in contact surface between two dynamic point projection fixture blocks
Projection, linear projection is fixedly connected on dynamic point projection fixture block with pin；The dynamic point of dynamic point floor projection and dynamic point side projection
Wind spring the inner is fixedly connected on the cylinder of sliding 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, and rectangular channel is cut with thereon and is coordinated with pan carriage；Dynamic point projection join line is one flexible
Flexible strand, dynamic point projection join line is after the circular hole of dynamic point floor projection shell upper end 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；Projected in dynamic point wind spring and dynamic point
Under line elastic reaction, always to dynamic point floor projection shell and side projection shell to one, dynamic point front projection direction pulling force；It is 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 is by tight fit connection on the external cylindrical surface of dynamic point shell；Link gear includes post
Pin, guide rod, pipe are 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；Cut in the pipe of guide rod provided with pipe, it is sheet that pipe, which is cut, is one with guide rod
Body；One end of flexible pipe is fixed on pipe and cut, 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 the flexible pipe support top of left frame, the length of flexible pipe
Required length when depending on space line being plumb 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, wire rope pulley axle and is cased with wire rope pulley；Steel wire rope, steel wire rope energy are provided with flexible pipe
Moved in flexible pipe；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
Wire rope pulley is crossed, it is following that u-turn is fixed on dynamic point floor projection shell；Upper movable stand and move to left groove is separately installed with the middle of moving frame
Sheave is cased with wheel shaft, fluted roller shaft, the groove inner sleeve of sheave has cotton rope；Upper movable stand right-hand member is provided with spool with moving frame lower end is moved to left
Seat, the spool seat and steel wire rope support for moving to left moving frame is made of one, and spool seat is provided with the outside of two stepped cylindrical through holes, perspective plane
Through hole it is big, cable tube is fixedly connected with big through hole, spool is flexible material, has two, is arranged in parallel within perspective plane
The back side, the two ends of spool are connected respectively on movable stand and the spool seat for moving to left moving frame, there is cotton rope in spool；Cotton rope is one
The steel wire rope of bar closing, bypasses the dynamic point shell by floor projection and side projection after sheave, enters back into spool, cotton rope energy
Movement is stretched in spool；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；Ensure that the floor projection of dynamic point moves up and down linkage side projection and moved left and right with this, and it is mobile away from
From equal；The length of steel wire rope depends on length required when space line is vertical profile line；It is 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, fixed point ball, dynamic point ball, dynamic point projection and fixed point projection use red, and projection join line, font and scale use black,
Cotton rope, spool, pan carriage use transparent material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621355139.9U CN206388396U (en) | 2016-12-11 | 2016-12-11 | The straight line three-plane projection demonstration board of the drawing linkage of carrying space model spool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621355139.9U CN206388396U (en) | 2016-12-11 | 2016-12-11 | The straight line three-plane projection demonstration board of the drawing linkage of carrying space model spool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206388396U true CN206388396U (en) | 2017-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621355139.9U Withdrawn - After Issue CN206388396U (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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| Country | Link |
|---|---|
| CN (1) | CN206388396U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106485988A (en) * | 2016-12-11 | 2017-03-08 | 沈阳工业大学 | The straight line three-plane projection demonstration board of the drawing linkage of carrying space model spool |
| CN109979253A (en) * | 2019-03-22 | 2019-07-05 | 湖州师范学院 | A kind of linear projection's demonstrator |
-
2016
- 2016-12-11 CN CN201621355139.9U patent/CN206388396U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106485988A (en) * | 2016-12-11 | 2017-03-08 | 沈阳工业大学 | The straight line three-plane projection demonstration board of the drawing linkage of carrying space model spool |
| CN106485988B (en) * | 2016-12-11 | 2018-11-06 | 沈阳工业大学 | The straight line three-plane projection demonstration board of the drawing linkage of carrying space model spool |
| CN109979253A (en) * | 2019-03-22 | 2019-07-05 | 湖州师范学院 | A kind of linear projection's demonstrator |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170808 Effective date of abandoning: 20181106 |