CN106448418B - The straight line three-plane projection demonstration board of carrying space model angle line-disparting type linkage - Google Patents
The straight line three-plane projection demonstration board of carrying space model angle line-disparting type linkage Download PDFInfo
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- CN106448418B CN106448418B CN201611134915.7A CN201611134915A CN106448418B CN 106448418 B CN106448418 B CN 106448418B CN 201611134915 A CN201611134915 A CN 201611134915A CN 106448418 B CN106448418 B CN 106448418B
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
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Abstract
A kind of straight line three-plane projection demonstration board of carrying space model angle line-disparting type linkage, including projection plate, space line model mechanism, projection join line mechanism, mechanism of linear projection and linkage mechanism.The structure that the present invention is added spatial model on the basis of the straight line three-plane projection demonstration board that former flexible drawing angle line-disparting type links and linked with linear projection using linear space model, in particular by the linkage mechanism of angle separated time slideway and angle separated time sliding block, 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 show the relationship for the variation 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 braking point when use, dynamic point floor projection and side projection can be affected automatically, can show 7 kinds of frontal line of space line, horizontal line, profile line, vertical frontal line, plumb line, vertical profile line and parallax positions.Demonstrating effect is obviously improved.Keep straight line three-plane projection demonstration board more perfect.
Description
Technical field
The present invention relates to the carrying space model angle line-disparting types used in a kind of demonstration teaching aid, especially Engineering Drawing Course
The straight line three-plane projection demonstration board of linkage.
Background technology
In Engineering Drawing Course, indicate that the spatial position of straight line is determined by the projection on three perspective planes, i.e. straight line
Front projection, floor projection and side projection, straight line indicates by the straightway comprising two endpoints, it is desirable that must assure that same
The line vertical Z axis of the front projection of a endpoint and the line vertical X axis of floor projection, front projection and side projection, it is horizontal
Project to distance of the distance equal to side projection to Z axis of X-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 to need in Engineering Drawing Course teaching
This seven kinds of straight lines are demonstrated respectively with front projection, floor projection and side projection.Currently, it is to use seven to demonstrate this seven kinds of straight lines
A mock-up teaching aid.The disadvantage is that model quantity is more, and it is bulky, it carries, mobile and suspension inconvenience.Author is in preceding invention
The straight line three-plane projection demonstration board of flexible drawing angle line-disparting type linkage（2016103993104）Although solving the above problem,
But there is no linear space model, cannot be lively, direct presentation space straight line variation and corresponding projection change.
Invention content
To solve the above-mentioned problems, the present invention provides the straight line three-plane projection that a kind of carrying space model angle line-disparting type links and drills
Show that plate, the present invention add spatial model simultaneously on the basis of the straight line three-plane projection demonstration board that flexible drawing angle line-disparting type links
Using the structure of linear space model and linear projection's linkage, more show the variation that the change in location of space line is projected with it
Relationship keeps straight line three-plane projection demonstration board more perfect.
The technical solution adopted by the present invention to solve the technical problems is：The straight line three of carrying space model angle line-disparting type linkage
Face projection demonstration plate includes projection plate, space line model mechanism, projection join line mechanism, mechanism of linear projection and linkage mechanism.
Projection plate is equipped with X-axis, YH axis, Yw axis and Z axis, and projection plate is divided into orthographic projection by X-axis, YH axis, Yw axis and Z axis
Face, horizontal plane, lateral projection face and the faces YH Yw.The faces YH Yw are equipped with angle separated time slideway.If the endpoint 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 slot, fixed
Point slot 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 and side projection of fixed point
Line vertical Z axis, the horizontal line of the floor projection of above-mentioned two lines and fixed point to angle separated time, the side projection of fixed point to angle
The vertical line of separated time forms a rectangle, is set as fixed point projection join line.X-axis, Yw axis, Z axis, pinpoints blocking for projection join line at YH axis
Face is rectangular channel；The truncation surface of angle separated time slideway is dovetail groove.
Space line model mechanism includes that fixed point frame, fixed point frame bearing, fixed point strut, fixed point ball, fixed point axis, space are straight
Line, dynamic penalty kick, guide rod, pin, guide rod cap.Fixed point frame is fixed on by screw on projection plate, and fixed point frame is by Z-shaped plate and cylinder structure
At cylinder is equipped with stepped hole, and fixed point frame bearing is installed in stepped hole, pinpoints and is equipped with fixed point strut in frame bearing, pinpoints strut
The other end be cut into flat；Fixed point ball cuts with fixed point ball groove, and fixed point ball groove and the flat contact surface for pinpointing strut are clearance fits,
The flat and fixed point round bur for pinpointing strut have through-hole, and fixed point axis is equipped in through-hole, and fixed point axis connects fixed point strut and fixed point ball
It connects together, fixed point ball can be around fixed point strut rotation.Fixed point ball is fixedly connected with one end of space line, and the space line other end is fixed
Penalty kick is moved in connection, moves penalty kick and is equipped with dynamic point ball groove, it includes guide rod to move in point ball groove, and guide rod is cylindrical tube；Dynamic penalty kick and guide rod by
Pin connects, and guide rod is equipped with stem guiding trough, and pin can slide back and forth in stem guiding trough, and penalty kick is made to be moved forward and backward along guide rod；Guide rod
The cylindrical tube of rear end is shut by thin-walled, and linear type hole is cut at thin-walled, and the front projection of dynamic point is connected to linear type hole, is led
Bar is always perpendicular to perspective plane.
Projection join line mechanism includes pan carriage, change gear, change gear axis, pulley, pulley spindle, flexible strand, rope support.Pan carriage has four
It is a, it is upper pan carriage, lower pan carriage, left frame and right translation frame respectively.Pan carriage is c-type strip structure, pan carriage both ends
It is hooked on projection plate both ends.Pan carriage is equipped with bar shaped locating slot, is provided with sliding slot on locating slot, sliding slot is narrower than locating slot.Zuo Ping
It moves frame and right translation frame upper end is equipped with change gear axis, be cased with change gear on change gear axis, change gear rides over projection plate upper end.After projection plate
Face, pan carriage both ends are respectively equipped with pulley spindle, and pulley is cased on pulley spindle, and pulley is set there are two slideway, and each slideway is respectively wound
There are a flexible strand, flexible strand to share eight, two flexible strands are wound on each pulley, the both ends of every flexible strand are solid respectively
It is scheduled on the rope support of projection plate two sides.Rope support shares eight, and rope support is symmetrically fixed on the angle of four sides of projection plate by screw
On, each rope support is fixedly connected with the fag end of two flexible strands.Every flexible strand is around pulley rear steering to the same pan carriage
Another pulley turns again to connect with rope support, at Z or anti-Z shapes；The fixation of another flexible strand corresponding thereto and trend
Symmetrical with previous flexible strand, two flexible strands are opposite with the winding direction of the same pulley；To ensure that pan carriage can be in projection plate
Upper translational motion.
Mechanism of linear projection includes fixed point, dynamic point, linear projection and dynamic spot projection line, and fixed point includes that fixed point front is thrown
Shadow, point level projection and fixed point side projection, each projection are made of fixed point bearing, shaft, fixed point wind spring and linear projection,
Fixed point bearing is installed, fixed point bearing inner race is installed with shaft, and shaft is equipped with fixed point wind spring, pinpoints wind spring in fixed point slot
Inner end connect with shaft, the outer end for pinpointing wind spring is connect with linear projection, and linear projection is flexible thin strip, is being divided into straight line just
Face projection, straight horizontal projection and straight line side projection, for linear projection's one ends wound on fixed point wind spring, the other end reaches throwing
On shadow plate, connected with dynamic point；Linear projection is always exceptionally straight on projection plate under the pulling of fixed point wind spring.It is projected in point level
At fixed point side projection, point level projection hat and fixed point side projection cap, point level are cased on the outside of fixed point bearing inner race
Projection hat and fixed point side projection cap are equipped with fixed point and are open, and linear projection is reached by pinpointing opening on projection plate, 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 spot projection line and dynamic point cap composition, dynamic point floor projection and dynamic point side projection further include
Dynamic point wind spring.Sliding block is the assembly of cuboid and cylinder with cylindrical hole, sets that there are two dynamic spot projections in cylindrical hole
Fixture block, it is half ladder circle cylindricality to move spot projection fixture block, and two dynamic spot projection fixture blocks connect into stepped cylindrical by pin, moves spot projection
Fixture block can rotate in the through-hole of sliding block；Dynamic spot projection fixture block transfer point front projection fixture block moves 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, moves a 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 "-" type 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 cylindrical surface and the pan carriage sliding slot two sides of sliding block coordinate, sliding
Block can slide in locating slot and sliding slot.Linear projection, linear projection are clamped in contact surface between two dynamic spot projection fixture blocks
It is fixedly connected on dynamic spot projection fixture block with pin.Dynamic wind spring inner end of dynamic point floor projection and dynamic point side projection, which is fixed, to be connected
It is connected on the cylinder of sliding block, the outer end of dynamic point wind spring is connect with dynamic spot projection line.The outside of three projections of dynamic point is cased with dynamic point
Shell is projected, spot projection shell transfer point front projection shell, dynamic point floor projection shell and dynamic point survey face is moved and projects shell, dynamic spot projection shell is
Cylindrical tube cuts with rectangular channel and coordinates with pan carriage thereon.Dynamic spot projection line is a flexible flexible strand, moves point and throws
After the circular hole of driven floor projection shell upper end of shadow line is drawn, lower end and the right end circular hole of dynamic point front projection shell are passed through, is led to
Some side projection shell left end circular holes are crossed to be connected on dynamic point wind spring.Under dynamic point wind spring and dynamic spot projection line elastic reaction,
Always give dynamic point floor projection shell and side projection shell to dynamic one, 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, move point front projection cap and are equipped with cylindrical hole, so that guide rod is logical
It crosses.Dynamic point cap is by tight fit connection on the external cylindrical surface of dynamic point shell.
Linkage mechanism 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 axis, angle separated time slideway, angle separated time sliding block, sliding block shell, sliding block cap, right translation frame and lower pan carriage.
It is equipped with pipe in the pipe of guide rod to cut, it is sheet that pipe, which is cut, is one with guide rod；One end of flexible pipe is fixed on pipe and cuts, and pipe ring frame is solid
It is scheduled on dynamic point front projection shell, flexible pipe support is fixed in the middle part of left frame, and flexible pipe passes through stem guiding trough to guide to the outer of guide rod
Side, is fixed on left frame flexibility pipe support top, and the length of flexible pipe depends on required length when space line is plumb line
Degree.Steel wire rope support is fixed on left frame lower end by screw, and steel wire rope support is equipped with wire rope pulley axis, on wire rope pulley axis
It is cased with wire rope pulley；Steel wire rope is equipped in flexible pipe, steel wire rope can move in flexible pipe.Steel wire rope one end is fixed on dynamic point
On the pin of ball, flexible pipe and dynamic point floor projection shell are passed through, further around wire rope pulley is crossed, u-turn is fixed on dynamic point floor projection
Shell is following.When with moving dynamic penalty kick down on hand, drive left frame moves left and right and upper pan carriage moves up and down, while driving dynamic
The front projection of point moves up and down, and the floor projection of dynamic point is only moved left and right with pan carriage, and steel wire rope does not have in flexible pipe
There is relative movement, the floor projection of dynamic point cannot move up and down；When with moving dynamic penalty kick before and after hand, the floor projection of point is moved with flat
While shifting frame moves left and right, moreover it is possible to move up and down；This is because moving dynamic penalty kick forward, the pin for moving penalty kick pulls steel wire rope
Forward drives dynamic point floor projection to move down by steel wire rope；It when moving dynamic penalty kick backward, is moved after the steel wire rope at pipe section, moves point volume
It is upward that spring hauls dynamic point floor projection shell.The dynamic point floor projection amount of moving up and down is exactly equal to the rear preceding amount of movement of dynamic penalty kick；Symbol
Close projection law.To realize that the position for moving penalty kick and the position of dynamic point floor projection are linked.The length of steel wire rope depends on sky
Between straight line required length when being vertical profile line.Angle separated time slideway is the angle separated time of YH axis and Yw axis, the T shapes of angle separated time slideway
Angle separated time sliding block is equipped in slot, angle separated time sliding block side and the side of angle separated time slideway coordinate, and angle separated time sliding block can be along angle separated time
Slideway slides, and shape of the angle separated time sliding block outside T-slot is cylinder, the sliding slot phase of cylinder and right translation frame and lower pan carriage
It cuts and coordinates, angle separated time sliding block can also slide in right translation frame and the sliding slot of lower pan carriage, outside the cylinder of angle separated time sliding block
External screw thread is made in portion, is cylindrical tube among sliding block cap, and cylindrical tube is made internal thread and connect with the external screw thread of angle separated time sliding block, angle
Sliding block shell is cased on the outside of separated time sliding block, sliding block shell is cylindrical tube, cuts with orthogonal rectangular channel thereon, rectangular channel is under
Pan carriage and the cooperation of right translation frame.When pan carriage moves up and down, angle separated time sliding block is driven to be moved up and down along angle separated time slideway instantly,
Angle separated time sliding block drives right translation frame to move left and right again, and mobile distance is equal, it is ensured that the floor projection of dynamic point to X-axis away from
With a distance from equal to side projection to Z axis.
Perspective plane, guide rod, guide rod cap, flexible pipe, steel wire rope, steel wire rope support, fixed point frame, angle separated time slideway, angle separated time are slided
Block, sliding block shell, sliding block cap using white, space line and linear projection using blue, fixed point ball, dynamic penalty kick, dynamic spot projection and
Fixed point projection uses black, pan carriage to use transparent material using red, projection join line, font.
The beneficial effects of the invention are as follows：It is more intuitive aobvious using the structure of space line model mechanism and linear projection's linkage
The relationship for the variation that the change in location of existing space line is projected with it.It is easy to operate, as long as the front projection of control braking point, automatically
Dynamic point floor projection and dynamic point side projection are affected, so as to show 7 kinds of positions of straight line.Demonstrating effect is obviously improved.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the integrally-built front 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 in Fig. 3 upper edge AA cuttings.
Fig. 5 is the rearview in Fig. 4 upper edge EE cuttings.
Fig. 6 is tiltedly to cut open partial view of becoming a full member in Fig. 3 upper edge BB cuttings.
Fig. 7 is the rearview in Fig. 4 upper edge FF cuttings.
Fig. 8 is tiltedly to cut open partial view of becoming a full member in Fig. 3 upper edge CC cuttings.
Fig. 9 is the partial sectional view in Fig. 8 upper edge DD cuttings.
Figure 10 is the partial sectional view in Fig. 4 upper edge GG cuttings.
Figure 11 is the partial sectional view in Fig. 3 upper edge HH cuttings.
Figure 12 is the partial sectional view in Figure 11 upper edge JJ cuttings.
Figure 13 be I on Fig. 4 at partial enlarged view.
Figure 14 be II on Fig. 4 at partial enlarged view.
Figure 15 be III on Fig. 4 at partial enlarged view.
Figure 16 be IV on Fig. 7 at partial enlarged view.
Figure 17 is the embodiment of frontal line projection.
Figure 18 is the embodiment of horizontal line projection.
Figure 19 is the embodiment of profile line projection.
Figure 20 is the embodiment of vertical frontal line projection.
Figure 21 is the embodiment of vertical line projection.
Figure 22 is the embodiment of vertical profile line projection.
1. flexible pipe in figure, 2. dynamic point ball grooves, 3. dynamic penalty kicks, 4. guide rod caps, 5. change gear axis, 6. space lines, 7.
Fixed point ball, 8. fixed point ball grooves, 9. fixed point framves, 10. dynamic spot projection lines, 11.Z axis, 12. flexible pipe supports, 13. fixed point throwings
Shadow line, 14. fixed point side projection caps, 15. straight line side projections, 16. right translation framves, 17. dynamic point side projection caps, 18.
Yw axis, pan carriage on 19., 20. rope supports, 21. jiaos of separated time slideways, 22. sliding block caps, 23. projection plates, 24. times pan carriages,
25. YH axis, 26. point level projection hats, the projection of 27. straight horizontals, 28. dynamic point floor projection caps, 29. steel wire ropes,
30. left frame, 31. sliding slots, 32. X-axis, 33. steel wire rope supports, 34. fixed point slots, 35. flexible strands, 36. fixed point frame axis
It holds, 37. fixed point struts, 38. straight line front projections, 39. dynamic point front projection shells, 40. dynamic point front projection caps, 41.
Dynamic point floor projection shell, 42. change gears, 43. wire rope pulleys, 44. guide rods, 45. stem guiding troughs, 46. dynamic point wind springs, 47.
Wind spring is pinpointed, 48. shafts, 49. pipe ring framves, 50. locating slots, 51. fixed point axis, 52. sliding blocks, 53. pins, 54. dynamic points are just
Face projects fixture block, 55. pins, and 56. pipes are cut, 57. dynamic point floor projection fixture blocks, 58. wire rope pulley axis, and 59. fixed points are opened
Mouthful, 60. sliding block shells, 61 jiaos of separated time sliding blocks, 62. pulleys, 63. pulley spindles, 64. fixed point bearings.
Specific implementation mode
In Fig. 1 to Figure 16, connection and position relationship and the parallax of the contexture and parts of the present invention are indicated
Embodiment.The straight line three-plane projection demonstration board of carrying space model angle line-disparting type linkage includes projection plate, space line prototype
Structure, projection join line mechanism, mechanism of linear projection and linkage mechanism.
Projection plate（23）It is equipped with X-axis（32）, YH axis（25）, Yw axis（18）And Z axis（11）, X-axis（32）, YH axis（25）,
Yw axis（18）And Z axis（11）Projection plate（23）It is divided into frontal plane of projection, horizontal plane, lateral projection face and the faces YH Yw.YH Yw
Face is equipped with angle separated time slideway（21）.If the endpoint of space line section is fixed point and dynamic point.Fixed point is motionless point, and fixed point is just
Perspective plane, floor projection and side projection are respectively equipped with fixed point slot（34）, pinpoint slot（34）It is ladder circular hole.The orthographic projection of fixed point
The line vertical X axis in face and floor projection（32）, the frontal plane of projection of fixed point and the line vertical Z axis of side projection（11）, above-mentioned
The vertical line of the floor projection of two lines and fixed point to the horizontal line of angle separated time, side projection to the angle separated time of fixed point forms one
Rectangle is set as fixed point projection join line（13）.X-axis（32）, YH axis（25）, Yw axis（18）, Z axis（11）, fixed point projection join line（13）
Truncation surface be rectangular channel；Angle separated time slideway（21）Truncation surface be dovetail groove.
Space line model mechanism includes fixed point frame（9）, fixed point frame bearing（36）, fixed point strut（37）, fixed point ball（6）,
Pinpoint axis（51）, space line（5）, dynamic penalty kick（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 of Z-shaped plate and cylinder, cylinder is equipped with stepped hole, and fixed point is installed in stepped hole
Frame bearing（36）, pinpoint frame bearing（36）Fixed point strut is inside installed（37）, pinpoint strut（37）The other end be cut into flat；It is fixed
Penalty kick（6）Cut with fixed point ball groove（8）, pinpoint ball groove（8）With fixed point strut（37）Flat contact surface be clearance fit, fixed point branch
Bar（37）Flat and fixed point ball（6）It is drilled with through-hole, fixed point axis is installed in through-hole（51）, pinpoint axis（51）Fixed point strut
（37）With fixed point ball（6）It connects, pinpoints ball（6）It can be around fixed point strut（37）Rotation.Pinpoint ball（6）It is straight to be fixedly connected with space
Line（5）One end, space line（5）The other end is fixedly connected with dynamic penalty kick（3）, move penalty kick（3）Equipped with dynamic ball groove（2）, move point
Ball groove（2）Interior includes guide rod（44）, guide rod（44）It is cylindrical tube；Dynamic penalty kick（3）And guide rod（44）By pin（55）Connection, guide rod
（44）Equipped with stem guiding trough（45）, pin（55）It can be in stem guiding trough（45）It inside slides back and forth, makes penalty kick（3）Along guide rod（44）It is front and back
It is mobile；Guide rod（44）The cylindrical tube of rear end is shut by thin-walled, and linear type hole is cut at thin-walled, and dynamic point is connected to linear type hole
Front projection, guide rod（44）Always perpendicular to perspective plane.
Projection join line mechanism includes pan carriage, change gear（42）, change gear axis（5）, pulley（62）, pulley spindle（63）, flexible strand
（35）, rope support（20）.There are four pan carriages, is upper pan carriage respectively（19）, lower pan carriage（24）, left frame（30）It is flat with the right side
Move frame（16）.Pan carriage is c-type strip structure, and pan carriage both ends are hooked on projection plate（23）Both ends.Pan carriage is equipped with bar shaped
Locating slot（50）, locating slot（50）On be provided with sliding slot（31）, sliding slot（31）Compare locating slot（50）It is narrow.Left frame（30）It is flat with the right side
Move frame（16）Upper end is equipped with change gear axis（5）, change gear axis（5）On be cased with change gear（42）, change gear（42）Ride over projection plate（23）Upper end.
In projection plate（23）Behind, pan carriage both ends are respectively equipped with pulley spindle（63）, pulley spindle（63）On be cased with pulley（62）, pulley
（62）If there are two slideway, each slideway is respectively wound with a flexible strand（35）, flexible strand（35）Eight are shared, each pulley
（62）On be wound with two flexible strands（35）, every flexible strand（35）Both ends be separately fixed at projection plate（23）The rope of two sides
Frame（20）On.Rope support（20）Eight are shared, rope support（20）Projection plate is symmetrically fixed on by screw（23）On the angle of four sides, often
A rope support（20）It is fixedly connected with two flexible strands（35）Fag end.Every flexible strand（35）Around pulley（62）Rear steering is to same
Another pulley of a pan carriage（62）, turn again to and rope support（20）Connection, at Z or anti-Z shapes；Corresponding thereto another
Flexible strand（35）Fixation and trend with previous flexible strand（35）Symmetrically, two flexible strand（35）With the same pulley（62）Twine
It is opposite around direction；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 spot projection line（10）, fixed point includes fixed point front
Projection, point level projection and fixed point side projection, each projection is by fixed point bearing（64）, shaft（48）, fixed point wind spring（47）
It is formed with linear projection, pinpoints slot（34）Fixed point bearing is inside installed（64）, pinpoint bearing（64）Inner ring is installed with shaft
（48）, shaft（48）It is equipped with fixed point wind spring（47）, pinpoint wind spring（47）Inner end and shaft（48）Connection pinpoints wind spring（47）
Outer end connect with linear projection, linear projection is flexible thin strip, is divided into straight line front projection（38）, straight horizontal projection
（27）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.It is pinpointing
At floor projection and fixed point side projection, bearing is pinpointed（64）It is cased with point level projection hat on the outside of inner ring（26）With fixed point side
Projection hat（14）, point level projection hat（26）With fixed point side projection cap（14）It is open equipped with fixed point（59）, linear projection is logical
Cross fixed point opening（59）Reach projection plate（23）On, it is connect with dynamic spot projection.
Dynamic point includes dynamic point front projection, dynamic point floor projection and dynamic point side projection, and each projection is by sliding block（52）, it is dynamic
Spot projection fixture block, pin（53）, a dynamic point shell, dynamic spot projection line（10）It is formed with dynamic cap, moves point floor projection and dynamic point side
Face projection further includes dynamic point wind spring（46）.Sliding block（52）It is the assembly of cuboid and cylinder with cylindrical hole, cylinder is logical
It is set in hole there are two dynamic spot projection fixture block, it is half ladder circle cylindricality to move spot projection fixture block, and two dynamic spot projection fixture blocks are by pin
（53）Stepped cylindrical is connected into, moving spot projection fixture block can be in sliding block（52）Through-hole in rotation；Dynamic spot projection fixture block transfer point is just
Face projects fixture block（54）, a dynamic point floor projection fixture block（57）With dynamic side projection fixture block, point floor projection fixture block is moved（57）With
Dynamic point side projection fixture block shape is identical, moves point front projection fixture block（54）Than another two projection fixture block one " T " more than the front end
Type block, T-shape block are inserted into guide rod（44）"-" type 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）Cylindrical surface and pan carriage sliding slot（31）Two sides coordinate, sliding block（52）
It can be in locating slot（50）And sliding slot（31）Interior sliding.Linear projection is clamped in contact surface between two dynamic spot projection fixture blocks, directly
Line projection's pin（53）It is fixedly connected on dynamic spot projection fixture block.Dynamic wind spring of dynamic point floor projection and dynamic point side projection
（46）Inner end is fixedly connected on sliding block（52）Cylinder on, move point a wind spring（46）Outer end and dynamic spot projection line（10）Connection.
The outside of three projections of dynamic point is cased with dynamic spot projection shell, moves spot projection shell transfer point front projection shell（39）, a dynamic point floor projection
Shell（41）Shell is projected with dynamic point survey face, it is cylindrical tube to move spot projection shell, cuts with rectangular channel thereon and coordinates with pan carriage.Dynamic point is thrown
Shadow line（10）It is a flexible flexible strand（35）, move spot projection line（10）Driven floor projection shell（41）Upper end
Circular hole draw after, pass through a dynamic point front projection shell（39）Lower end and right end circular hole, pass through dynamic point side projection shell left end circle
Hole is connected to dynamic point wind spring（46）On.In dynamic point wind spring（46）With dynamic spot projection line（10）Under elastic reaction, dynamic point is always given
Floor projection shell（41）With side projection shell to dynamic one, front projection direction pulling force.Dynamic point cap is divided into dynamic point front projection cap
（40）, a dynamic point floor projection cap（28）With dynamic side projection cap（17）, move point front projection cap（40）It is equipped with cylindrical 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.
Linkage mechanism includes pin（55）, guide rod（44）, pipe cut（56）, flexible pipe（1）, pipe ring frame（49）, flexible pipe support
（12）, steel wire rope（29）, wire rope pulley（43）, steel wire rope support（33）, wire rope pulley axis（58）, angle separated time slideway（21）,
Angle separated time sliding block（61）, sliding block shell（60）, sliding block cap（22）, right translation frame（16）With lower pan carriage（24）.Guide rod（44）Pipe
The interior pipe that is equipped with is 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（12）It is fixed on left frame（30）Middle part,
Flexible pipe（1）Across stem guiding trough（45）Guide to guide rod（44）Outside, be fixed on left frame（30）Flexible pipe support（12）Top,
Flexible pipe（1）Length depend on space line（5）Required length when being plumb line.Steel wire rope support（33）It is fixed by screw
In left frame（30）Lower end, steel wire rope support（33）Wire rope pulley axis is installed（58）, wire rope pulley axis（58）On be cased with
Wire rope pulley（43）；Flexible pipe（1）In be equipped with steel wire rope（29）, steel wire rope（29）It can be in flexible pipe（1）Middle movement.Steel wire
Rope（29）One end is fixed on dynamic penalty kick（3）Pin（55）On, pass through flexible pipe（1）With dynamic floor projection shell（41）, further around
Cross wire rope pulley（43）, u-turn, which is fixed on, moves point floor projection shell（41）Below.With moving dynamic penalty kick down on hand（3）When, band
Dynamic left frame（30）It moves left and right and upper pan carriage（19）It moves up and down, while the front projection of dynamic point being driven to move up and down
It is dynamic, and the floor projection of dynamic point is only moved left and right with pan carriage, steel wire rope（29）In flexible pipe（1）It does not relatively move, moves point
Floor projection cannot move up and down；With moving dynamic penalty kick before and after hand（3）When, the floor projection of dynamic point is moved left and right with pan carriage
While, moreover it is possible to it moves up and down；This is because moving dynamic penalty kick forward（3）, move penalty kick（3）Pin（55）Pull steel wire rope
（29）Forward, by steel wire rope（29）Dynamic point floor projection is driven to move down；Dynamic penalty kick is moved backward（3）When, pipe is cut（56）The steel at place
Cord（29）After move, move point a wind spring（46）Haul dynamic point floor projection shell（41）Upwards.The dynamic point floor projection amount of moving up and down is just
It is good to be equal to dynamic penalty kick（3）Rear preceding amount of movement；Meet projection law.Penalty kick is moved to realize（3）Position with dynamic point is horizontal throws
It links the position of shadow.Steel wire rope（29）Length depend on space line（5）Required length when being vertical profile line.Angle separated time is slided
Road（21）It is YH axis（25）With Yw axis（18）Angle separated time, angle separated time slideway（21）T-slot in be equipped with angle separated time sliding block
（61）, angle separated time sliding block（61）Side and angle separated time slideway（21）Side cooperation, angle separated time sliding block（61）It can be slided along angle separated time
Road（21）Sliding, angle separated time sliding block（61）Shape outside T-slot is cylinder, cylinder and right translation frame（16）With lower translation
Frame（24）Sliding slot（31）It is tangent and coordinate, angle separated time sliding block（61）It also can be in right translation frame（16）With lower pan carriage（24）Cunning
Slot（31）Interior sliding, angle separated time sliding block（61）Cylindrical outer make external screw thread, sliding block cap（22）Centre is cylindrical tube, circle
Column tube makes internal thread and angle separated time sliding block（61）External screw thread connection, angle separated time sliding block（61）Outside be cased with sliding block shell
（60）, sliding block shell（60）It is cylindrical tube, cuts with orthogonal rectangular channel, rectangular channel and lower pan carriage thereon（24）It is flat with the right side
Move frame（16）Cooperation.Instantly pan carriage（24）When moving up and down, angle separated time sliding block is driven（61）Along angle separated time slideway（21）Up and down
It is mobile, angle separated time sliding block（61）Right translation frame is driven again（16）It moves left and right, and mobile distance is equal, it is ensured that the level of dynamic point
Project to X-axis（32）Distance be equal to side projection to Z axis（11）Distance.
In use, moving dynamic penalty kick with hand（3）, control the front projection different location of braking point, move point floor projection and
Side projection is servo-actuated in place.To be not difficult to be put into 7 kinds of positions of space line.
Perspective plane, guide rod（44）, guide rod cap（4）, flexible pipe（1）, steel wire rope（29）, steel wire rope support（33）, fixed point frame
（9）, angle separated time slideway（21）, angle separated time sliding block（61）, sliding block shell（60）, sliding block cap（22）Using white, space line（5）With
Linear projection pinpoints ball using blue（6）, dynamic penalty kick（3）, dynamic spot projection and fixed point projection be using red, projection join line, font
Using black, pan carriage uses transparent material.
Figure 17 is the embodiment of frontal line projection.
Figure 18 is the embodiment of horizontal line projection.Before being put into horizontal line, fixed point side projection cap is first extracted（14）.
Figure 19 is the embodiment of profile line projection.Before being put into profile line, point level projection hat is first extracted（26）.
Figure 20 is the embodiment of vertical frontal line projection.Before being put into vertical frontal line, dynamic penalty kick is first moved（3）To the position of approach vertical frontal line
It sets, extracts guide rod cap（4）, stem guiding trough（45）Front end is opening, then from stem guiding trough（45）Opening, which pulls out, moves penalty kick（3）, make
Dynamic penalty kick（3）It is detached from guide rod（44）, then move dynamic penalty kick（3）To space line（5）Perpendicular to projection plate（23）, then dynamic point
Front projection, floor projection and front projection swing to correct position.Also 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）"-" type hole, guide rod can be extracted（44）.
Figure 21 is the embodiment of vertical line projection.Before being put into plumb line, point level projection hat is first extracted（26）.
Figure 22 is the embodiment of vertical profile line projection.Before being put into vertical profile line, fixed point side projection cap is first extracted（14）.
Claims (1)
1. a kind of straight line three-plane projection demonstration board of carrying space model angle line-disparting type linkage, including projection plate, space line model
Mechanism, projection join line mechanism, mechanism of linear projection and linkage mechanism；It is characterized in that：Projection plate be equipped with X-axis, YH axis, Yw axis and
Projection plate is divided into frontal plane of projection, horizontal plane, lateral projection face and the faces YH Yw by Z axis, X-axis, YH axis, Yw axis and Z axis；YH Yw
Face is equipped with angle separated time slideway；If the endpoint of straightway is fixed point and dynamic point；Fixed point is motionless point, the front projection of fixed point,
Floor projection and side projection are respectively equipped with fixed point slot, and fixed point slot is ladder circular hole；The front projection of fixed point and floor projection
The horizontal of line vertical X axis, the front projection of fixed point and the line vertical Z axis of side projection, above-mentioned two lines and fixed point is thrown
The vertical line of shadow to the horizontal line of angle separated time, side projection to the angle separated time of fixed point forms a rectangle, is set as fixed point projection join line；
X-axis, YH axis, Yw axis, Z axis, pinpoint projection join line truncation surface be rectangular channel；The truncation surface of angle separated time slideway is dovetail groove；It is empty
Between straight line model mechanism include fixed point frame, fixed point frame bearing, fixed point strut, fixed point ball, fixed point axis, space line, dynamic penalty kick, lead
Bar, pin, guide rod cap；Fixed point frame is fixed on by screw on projection plate, and fixed point frame is made of Z-shaped plate and cylinder, and cylinder is equipped with rank
Terraced hole, installation fixed point frame bearing, pinpoints in frame bearing and is equipped with fixed point strut in stepped hole, pinpoint strut the other end be cut into it is flat
Shape；Fixed point ball cuts with fixed point ball groove, and fixed point ball groove and the flat contact surface for pinpointing strut are clearance fits, pinpoint the flat of strut
There is through-hole with fixed point round bur, fixed point axis is installed in through-hole, fixed point axis connects fixed point strut and fixed point ball, pinpoints ball energy
Around fixed point strut rotation；Fixed point ball is fixedly connected with one end of space line, and the space line other end is fixedly connected with dynamic penalty kick, moves point
Ball is equipped with dynamic point ball groove, and it includes guide rod to move in point ball groove, and guide rod is cylindrical tube；Dynamic penalty kick is connected with guide rod by pin, and guide rod is set
There are stem guiding trough, pin that can be slid back and forth in stem guiding trough, penalty kick is made to be moved forward and backward along guide rod；The cylindrical tube of guide rod rear end is thin
Wall is shut, and linear type hole is cut at thin-walled, the front projection of dynamic point is connected to linear type hole, guide rod is always perpendicular to projection
Face；Projection join line mechanism includes pan carriage, change gear, change gear axis, pulley, pulley spindle, flexible strand, rope support；There are four pan carriages, point
It is not upper pan carriage, lower pan carriage, left frame and right translation frame；Pan carriage is c-type strip structure, and pan carriage both ends are hooked on
Projection plate both ends；Pan carriage is equipped with bar shaped locating slot, is provided with sliding slot on locating slot, sliding slot is narrower than locating slot；Left frame and
Right translation frame upper end is equipped with change gear axis, is cased with change gear on change gear axis, change gear rides over projection plate upper end；Behind projection plate, put down
It moves frame both ends and is respectively equipped with pulley spindle, pulley is cased on pulley spindle, pulley is set there are two slideway, and each slideway is respectively wound with one
Flexible strand, flexible strand share eight, and two flexible strands are wound on each pulley, and the both ends of every flexible strand are separately fixed at throwing
On the rope support of shadow plate two sides；Rope support shares eight, and rope support is symmetrically fixed on by screw on the angle of four sides of projection plate, each
Rope support is fixedly connected with the fag end of two flexible strands；Every flexible strand is slided around another of pulley rear steering to the same pan carriage
Wheel, turns again to connect with rope support, at Z or anti-Z shapes；The fixation of another flexible strand corresponding thereto and trend and previous item
Flexible strand is symmetrical, and two flexible strands are opposite with the winding direction of the same pulley；To ensure that pan carriage can translate fortune on projection plate
It is dynamic；Mechanism of linear projection includes fixed point, dynamic point, linear projection and dynamic spot projection line, and fixed point includes fixed point front projection, fixed point
Floor projection and fixed point side projection, each fixed point projection is made of fixed point bearing, shaft, fixed point wind spring and linear projection, fixed
Fixed point bearing is installed, fixed point bearing inner race is installed with shaft, and shaft is equipped with fixed point wind spring, pinpoints wind spring in point slot
Inner end is connect with shaft, and the outer end for pinpointing wind spring is connect with linear projection, and linear projection is flexible thin strip, is divided into straight line front
Projection, straight horizontal projection and straight line side projection, for linear projection's one ends wound on fixed point wind spring, the other end reaches projection
On plate, connected with dynamic point；Linear projection is always exceptionally straight on projection plate under the pulling of fixed point wind spring；Point level projection and
It pinpoints at side projection, point level projection hat and fixed point side projection cap is cased on the outside of fixed point bearing inner race, point level is thrown
Shadow cap and fixed point side projection cap are equipped with fixed point and are open, and linear projection is reached by pinpointing opening on projection plate, are thrown with dynamic point
Shadow connects；Dynamic point includes a dynamic point front projection, dynamic point floor projection and a dynamic point side projection, and each dynamic spot projection is by sliding block, dynamic
Spot projection fixture block, pin, dynamic point shell, dynamic spot projection line and dynamic point cap composition move point floor projection and dynamic point side projection also
Including dynamic point wind spring；Sliding block is the assembly of cuboid and cylinder with cylindrical hole, sets that there are two dynamic points in cylindrical hole
Fixture block is projected, it is half ladder circle cylindricality to move spot projection fixture block, and two dynamic spot projection fixture blocks connect into stepped cylindrical by pin, moves point
Projection fixture block can rotate in the through-hole of sliding block；Dynamic spot projection fixture block transfer point front projection fixture block, dynamic point floor projection fixture block
With dynamic side projection fixture block, dynamic point floor projection fixture block is identical with dynamic point side projection fixture block shape, moves a front projection folder
Block is inserted into the "-" type hole of guide rod and guide rod phase than another two projection fixture block T-shape block more than the front end, T-shape block
Even；The rectangular body side surface of sliding block and the locating slot side of pan carriage coordinate, and cylindrical surface and the pan carriage sliding slot two sides of sliding block are matched
It closes, sliding block can slide in locating slot and sliding slot；Linear projection, straight line are clamped in contact surface between two dynamic spot projection fixture blocks
Projection is fixedly connected on pin on dynamic spot projection fixture block；Dynamic wind spring inner end of dynamic point floor projection and dynamic point side projection is solid
Surely it is connected on the cylinder of sliding block, the outer end of dynamic point wind spring is connect with dynamic spot projection line；The outside of three projections of dynamic point is cased with
Dynamic spot projection shell moves spot projection shell transfer point front projection shell, dynamic point floor projection shell and dynamic point survey face and projects shell, moves spot projection
Shell is cylindrical tube, cuts with rectangular channel thereon and coordinates with pan carriage；Dynamic spot projection line is a flexible flexible strand, is moved
After the circular hole of driven floor projection shell upper end of spot projection line is drawn, lower end and the right end circle of dynamic point front projection shell are passed through
Hole is connected to by dynamic point side projection shell left end circular hole on dynamic point wind spring；Make in dynamic point wind spring and dynamic spot projection line elasticity
Under, always give dynamic point floor projection shell and side projection shell to dynamic one, 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, move point front projection cap and are equipped with cylindrical hole, so as to
Guide rod passes through；Dynamic point cap is by tight fit connection on the external cylindrical surface of dynamic point shell；Linkage mechanism 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 axis, angle separated time slideway, angle
Separated time sliding block, sliding block shell, sliding block cap, right translation frame and lower pan carriage；Pipe is equipped in the pipe of guide rod to cut, it is sheet that pipe, which is cut, with
Guide rod is one；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
In the middle part of left frame, flexible pipe passes through stem guiding trough to guide to the outside of guide rod, is fixed on left frame flexibility pipe support top, flexible
The length of pipe depends on required length when space line is plumb line；Steel wire rope support is fixed on by screw under left frame
End, steel wire rope support are equipped with wire rope pulley axis, wire rope pulley are cased on wire rope pulley axis；Steel wire is equipped in flexible pipe
Rope, steel wire rope can move in flexible pipe；Steel wire rope one end is fixed on the pin of dynamic penalty kick, passes through flexible pipe and dynamic point horizontal
Shell is projected, further around wire rope pulley is crossed, it is following that u-turn is fixed on dynamic point floor projection shell；It is straight that the length of steel wire rope depends on space
Required length when line is vertical profile line；Angle separated time slideway is the angle separated time of YH axis and Yw axis, in the T-slot of angle separated time slideway
Equipped with angle separated time sliding block, angle separated time sliding block side and the side of angle separated time slideway coordinate, and angle separated time sliding block can be along angle separated time slideway
Sliding, shape of the angle separated time sliding block outside T-slot are cylinders, and cylinder and the sliding slot of right translation frame and lower pan carriage are tangent simultaneously
Cooperation, angle separated time sliding block can also slide in right translation frame and the sliding slot of lower pan carriage, and the cylindrical outer of angle separated time sliding block is done
It is cylindrical tube at external screw thread, among sliding block cap, cylindrical tube is made internal thread and connect with the external screw thread of angle separated time sliding block, angle separated time
Sliding block shell is cased on the outside of sliding block, sliding block shell is cylindrical tube, cuts with orthogonal rectangular channel, rectangular channel and lower translation thereon
Frame and the cooperation of right translation frame.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611134915.7A CN106448418B (en) | 2016-12-11 | 2016-12-11 | The straight line three-plane projection demonstration board of carrying space model angle line-disparting type linkage |
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| CN201611134915.7A CN106448418B (en) | 2016-12-11 | 2016-12-11 | The straight line three-plane projection demonstration board of carrying space model angle line-disparting type linkage |
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| CN106448418B true CN106448418B (en) | 2018-11-06 |
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|---|---|---|---|---|
| SU1580425A1 (en) * | 1988-06-24 | 1990-07-23 | Таганрогский радиотехнический институт им.В.Д.Калмыкова | Instrument for determining natural dimension of plane figure on monge diagram |
| CN203706508U (en) * | 2014-02-10 | 2014-07-09 | 司兴雷 | Projection relation demonstration device for senior high school mathematics |
| CN203849908U (en) * | 2014-02-28 | 2014-09-24 | 苏辉 | Mathematics teaching model |
| CN204029213U (en) * | 2014-06-16 | 2014-12-17 | 许磊 | A kind of descriptive geometry teaching apparatus |
| CN204423745U (en) * | 2015-02-10 | 2015-06-24 | 西安科技大学 | A kind of three projecting plane system diverse location straight line and orthogonal projection demonstration teaching aids thereof |
| CN206388430U (en) * | 2016-12-11 | 2017-08-08 | 沈阳工业大学 | The straight line three-plane projection demonstration board of carrying space model angle line-disparting type linkage |
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2016
- 2016-12-11 CN CN201611134915.7A patent/CN106448418B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1580425A1 (en) * | 1988-06-24 | 1990-07-23 | Таганрогский радиотехнический институт им.В.Д.Калмыкова | Instrument for determining natural dimension of plane figure on monge diagram |
| CN203706508U (en) * | 2014-02-10 | 2014-07-09 | 司兴雷 | Projection relation demonstration device for senior high school mathematics |
| CN203849908U (en) * | 2014-02-28 | 2014-09-24 | 苏辉 | Mathematics teaching model |
| CN204029213U (en) * | 2014-06-16 | 2014-12-17 | 许磊 | A kind of descriptive geometry teaching apparatus |
| CN204423745U (en) * | 2015-02-10 | 2015-06-24 | 西安科技大学 | A kind of three projecting plane system diverse location straight line and orthogonal projection demonstration teaching aids thereof |
| CN206388430U (en) * | 2016-12-11 | 2017-08-08 | 沈阳工业大学 | The straight line three-plane projection demonstration board of carrying space model angle line-disparting type linkage |
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