CN202686777U - Scissor type space stretched arm mechanism - Google Patents
Scissor type space stretched arm mechanism Download PDFInfo
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- CN202686777U CN202686777U CN 201220322550 CN201220322550U CN202686777U CN 202686777 U CN202686777 U CN 202686777U CN 201220322550 CN201220322550 CN 201220322550 CN 201220322550 U CN201220322550 U CN 201220322550U CN 202686777 U CN202686777 U CN 202686777U
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Abstract
The utility model discloses a scissor type space stretched arm mechanism. The scissor type space stretched arm mechanism comprises a first scissor unit part, a second scissor unit part, a drive part, a top support part, four first longitudinal support parts and four second longitudinal support parts, wherein the first scissor unit part and the second scissor unit part are the same in structure, the four first longitudinal support parts and the four second longitudinal support parts are all the same in structure, the top support part is installed on the drive part sequentially through the second scissor unit part and the first scissor unit part, and the first longitudinal support parts and the second longitudinal support parts are respectively installed on four sides of the first scissor unit part and the second scissor unit part. Due to the fact that a double cam combined design is utilized in the scissor type space stretched arm mechanism, through double cam contour lines arranged on stepped cylindrical cams, longitudinal and transverse rigid locking of the space stretched arm is achieved to ensure that a stable state of the stretched arm is of rigid trusswork structure after the stretched arm is unfolded. The scissor type space stretched arm mechanism is large in folding and unfolding ratio, compact in structure, good in symmetry, capable of achieving the folding, the unfolding, locking and unlocking functions of the stretched arm during a single power supply input so that precision of the folding and the unfolding is guaranteed, and suitable for the field of folding and unfolding mechanisms.
Description
Technical field
The utility model relates to a kind of space mast mechanism, especially relates to a kind of scissor-type space mast mechanism.
Background technology
Space mast mechanism is the important component part of space telescopic mechanism, in all kinds of detected events, be mainly used in launching the flexible solar windsurfing, support and to open up antenna, synthetic aperture radar, space telescope etc., or as the structures such as gravity gradient boom, magnetic detecting set and separate electronic equipment to reduce mutual interference, in the space exploration task, have vital function.Existing space mast adopts rope prefastening flexible locking and the locking of torsion spring spring-elastic usually, and lacks longitudinal rigid support and locking, and reliability is low, poor rigidity.
Summary of the invention
In order to solve the problem that exists in the background technology, the utility model designs a kind of scissor-type space mast mechanism, be in the foldable locking state during inoperative, extending arm carries capacity weight and realizes that release launches during work, after capacity weight launched to be supported to the control position of appointment, realize launching locking.
The technical scheme that the utility model adopts is as follows:
Comprise that first cuts fork assembly of elements, second and cut fork assembly of elements, drive element, top braces parts, four the first longitudinal ligament parts and four the second longitudinal ligament parts; First cuts fork assembly of elements and second cuts that to pitch the assembly of elements structure identical, and four the first longitudinal ligament parts are all identical with four the second longitudinal ligament block constructions;
Drive element: comprise base plate, stepped appearance cylindrical cam, four identical moving slider seats, four identical moving sliders, bracing frame and locking slide plate; The stepped appearance cylindrical cam is installed in the lower end of square floor, stepped appearance cylindrical cam small end cylinder forms normal-running fit after passing the centre hole of square floor, uniformly on the stepped appearance cylindrical cam large end face have four identical driving curve grooves, the driving curve groove radius is large and head and the tail are staggered from little change, and stepped appearance cylindrical cam small end cylindrical side is uniform to have three identical spiralling locking curved grooves; All have the guide groove along diagonal on four jiaos of the square floors, four I-shape moving slider seats are separately fixed at square floor separately on the guide groove, separately guide groove is corresponding parallel on the axis of four I-shape moving slider seats and the square floor, all overlap on the axle of four I-shape moving slider seats moving slider is arranged, the both sides, upper end of four moving sliders are vertical and have a through hole, and the lower end of four moving sliders is installed in the separately driving curve groove of stepped appearance cylindrical cam large end face after passing respectively the separately guide groove of square floor; Four cylinder axis of bracing frame lower end edge circumference uniform distribution pass and are fixed on behind four petal locking slide plates in the base plate in the heart, three straight pins that locking slide plate medial surface is laid with are installed in respectively in each self-locking curved groove of stepped appearance cylindrical cam small end cylindrical side, and four I-shape moving slider seat one ends are between four petals of locking slide plate.
First cuts the fork assembly of elements: comprise four identical right angle cross bars identical with eight cut bar, one end of every right angle cross bar is tenon, the other end is blind mortise, four right angle cross bars join end to end by tenon and blind mortise and connect the formation square frame, eight are cut per two of bar is that one group of middle part is hinged and forms four X-shapeds and cut the fork hinge, and the two ends that each X-shaped is cut the fork hinge are hinged on one side madial wall of square frame;
Top braces parts: comprise that eight identical top boards cut bar, four identical top plate supporting seat and top boards; Middle part, every limit, foursquare top board lower surface is fixed with respectively double-tee top plate supporting seat, the axis of each top plate supporting seat is all perpendicular to the side of each self-corresponding square top board, it is hinged that first and second top board is cut an end and the first top plate supporting seat axle of bar, it is hinged that third and fourth top board is cut an end and the second top plate supporting seat axle of bar, five, it is hinged that six top boards are cut an end and the 3rd top plate supporting seat axle of bar, and it is hinged that the 7th, eight top boards are cut an end and the 4th top plate supporting seat axle of bar;
The first longitudinal ligament parts: comprise cylinder have strong market potential cover, vertical pole and secondary bar; Vertical pole is provided with aperture in the hole, is step-like cylinder and has strong market potential and be fastenedly connected with the cover of having strong market potential after small end passes the aperture, spring of vertical pole successively, and an end of secondary bar is hinged on the vertical pole outside;
First cut other two ends that four X-shapeds in the fork assembly of elements cut the fork hinge respectively cross-articulation on the through hole of four moving slider both sides, second cuts four X-shapeds in the fork assembly of elements cuts the other two ends of fork hinge and is hinged on respectively first and cuts on the separately madial wall of square frame in the fork assembly of elements, and first and second top board is cut the bar other end, third and fourth top board and cut the bar other end, the 5th, six top boards and cut the bar other end, the 7th, eight top boards and cut the bar other end and be hinged on respectively second and cut on the four limit madial walls of square frame in the fork assembly of elements in the top braces parts;
Four vertical poles in four the first longitudinal ligament parts are hinged on respectively first and cut in the fork assembly of elements on each self-corresponding right angle cross bar, and four secondary bar other ends in four the first longitudinal ligament parts are hinged on respectively first and cut in the fork assembly of elements on each self-corresponding right angle cross bar; Four vertical poles in four the second longitudinal ligament parts are hinged on respectively second and cut in the fork assembly of elements on each self-corresponding right angle cross bar, and four secondary bar other ends in four the second longitudinal ligament parts are hinged on respectively second and cut in the fork assembly of elements on each self-corresponding right angle cross bar.
The taper pin that is equipped with on four petals of described locking slide plate is inserted into respectively separately the first vertical pole lower end to support component, the cylinder of described four the first longitudinal ligament parts upper end of having strong market potential is inserted into respectively the separately vertical pole lower end of the second longitudinal ligament parts, and the cylinder of described four the second longitudinal ligament parts upper end of having strong market potential is inserted into respectively in the top braces parts separately in the axle of top plate supporting seat.
Described cylinder is had strong market potential and length and the vertical pole equal in length of cover after being connected of having strong market potential.
Compare with background technology, the beneficial effect that the utlity model has is:
1, the utility model takes full advantage of the telescopic principle of cutting furcated mechanism, satisfies envelope minimized in size principle.
2, the input of repeatable folding and unfolding locking mechanism, output are coaxial, and accurate positioning, load are good, can reach fast, stable, in time, launch accurately and lock.
3, single power source, realize extending arm efficient folding and expanding, lateral locking release, vertically lock release, be convenient to coordinate control.
4, realize rigid locking after launching, stability, reliability are high, good rigidity.
5, applied range, the utility model be except can be used on aerospace folding exhibition field, also can be applicable to the building of the military bridge of portable, multi-storied garage, bracing frame for building etc.
Description of drawings
Fig. 1 is the utility model drive element structural representation.
Fig. 2 is that the utility model first is cut fork assembly of elements schematic diagram.
Fig. 3 is the utility model top braces block diagram.
Fig. 4 is the utility model the first longitudinal ligament block diagram.
Fig. 5 is the complete deployed condition schematic diagram of the utility model.
Fig. 6 is the utility model folded state schematic diagram.
Fig. 7 is the utility model base plate schematic diagram.
Fig. 8 is the utility model stepped appearance cylindrical cam schematic diagram.
Fig. 9 is the utility model the first moving slider seat schematic diagram.
Figure 10 is the utility model the first moving slider schematic diagram.
Figure 11 is the utility model bracing frame schematic diagram.
Figure 12 is the utility model locking slide plate schematic diagram.
Figure 13 is that the utility model first is cut the bar schematic diagram.
Figure 14 is the utility model the first right angle cross bar schematic diagram.
Figure 15 is that the utility model the first top board is cut the bar schematic diagram.
Figure 16 is the utility model the first top plate supporting seat schematic diagram.
Figure 17 is the utility model top board schematic diagram.
Figure 18 is the cutaway view of the utility model the first longitudinal ligament parts.
Among the figure: 1, base plate, 2, the stepped appearance cylindrical cam, 3, the first moving slider seat, 4, the first moving slider, 5, bracing frame, 6, the locking slide plate, 7, the second moving slider, 8, the second moving slider seat, 9, the 3rd moving slider, 10, the 3rd moving slider seat, 11, the 4th moving slider, 12, the 4th moving slider seat, 13, first cuts bar, 14, second cuts bar, 15, the 3rd cuts bar, 16, the 4th cuts bar, 17, the 5th cuts bar, and 18, the 6th cuts bar, and 19, the 7th cuts bar, 20, the 8th cuts bar, 21, the first right angle cross bar, 22, the second right angle cross bar, 23, the 3rd right angle cross bar, 24, the 4th right angle cross bar, 25, the first top board is cut bar, and 26, the second top board is cut bar, and 27, the 3rd top board is cut bar, 28, the 4th top board is cut bar, 29, the 5th top board is cut bar, and 30, the 6th top board is cut bar, and 31, the 7th top board is cut bar, 32, the 8th top board is cut bar, 33, the first top plate supporting seat, 34, the second top plate supporting seat, 35, the 3rd top plate supporting seat, 36, the 4th top plate supporting seat, 37, top board, 38, secondary bar, 39, cylinder is had strong market potential, 40, vertical pole, 41, the cover of having strong market potential.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 5 and Figure 6, the utility model comprises that first cuts fork assembly of elements, second and cut fork assembly of elements, drive element, top braces parts, four the first longitudinal ligament parts and four the second longitudinal ligament parts; First cuts fork assembly of elements and second cuts that to pitch the assembly of elements structure identical, and four the first longitudinal ligament parts are all identical with four the second longitudinal ligament block constructions.
As shown in Figure 1, drive element: drive element: comprise base plate 1,2, four identical moving slider seats 3 of stepped appearance cylindrical cam, 8,10,12, four identical moving sliders 4,7,9,11, bracing frame 5 and locking slide plate 6; Stepped appearance cylindrical cam 2 is installed in the lower end of square floor 1, stepped appearance cylindrical cam 2 small end cylinders form with it normal-running fit after passing the centre hole of square floor 1, uniformly on stepped appearance cylindrical cam 2 large end faces have four identical driving curve grooves, the driving curve groove radius is large and head and the tail are staggered from little change, and stepped appearance cylindrical cam 2 small end cylindrical sides are uniform to have three identical spiralling locking curved grooves; All have the guide groove along diagonal on 1 four jiaos of the square floors, four I-shape moving slider seats 3,8,10,12 are separately fixed at separately guide groove top of square floor 1, four I-shape moving slider seats 3,8,10, separately guide groove is corresponding parallel on 12 axis and the square floor 1, four I-shape moving slider seats 3,8,10, all overlap on 12 the axle moving slider 4 is arranged, 7,9,11, four moving sliders 4,7,9,11 both sides, upper end are vertical and have a through hole, four moving sliders 4,7,9,11 lower end is installed in the separately driving curve groove of stepped appearance cylindrical cam 2 large end faces after passing respectively the separately guide groove of square floor 1; Four cylinder axis of bracing frame 5 lower end edge circumference uniform distributions pass on the locking slide plate 6 with it and to be fixed on behind supporting four through holes in the base plate 1 in the heart, three straight pins that locking slide plate 6 medial surfaces are laid with are installed in respectively in each self-locking curved groove of stepped appearance cylindrical cam 2 small end cylindrical sides, and four I-shape moving slider seat 3,8,10,12 1 ends are between four petals of locking slide plate 6;
As shown in Figure 1, four identical moving sliders 4,7,9,11 are respectively the first moving slider 4, the second moving slider 7, the 3rd moving slider 9, the 4th moving slider 11.Four identical moving slider seats 3,8,10,12 are respectively the first moving slider seat 3, the second moving slider seat 8, the 3rd moving slider seat 10, the 4th moving slider seat 12.
Such as Fig. 1 and Fig. 7 ~ shown in Figure 12, base plate 1 is square thin plate, and small end cylinder 2.1 passes the centre hole 1.1 in the base plate 1 in the stepped appearance cylindrical cam 2, and forms revolute pair with base plate.Align with the hole 1.2,1.3,1.4,1.5 on the base plate respectively in hole 3.1,3.2,3.3,3.4 on the first moving slider seat 3, and be screwed, it is connected on 1 one jiaos of the base plates, and all the other second moving slider seats 8, the 3rd moving slider seat 10, the 4th moving slider seat 12 are connected in respectively on other three angles of base plate by similar approach.Through hole 4.1 is inserted in the axle 3.5 rear formation bearing fits on the first moving slider seat 3 on the first moving slider 4, guide groove 1.6 be free-running fit on its lower end cuboid boss 4.4 and the base plate 1, it on cylinder axis 4.5 pass behind base plate 1 guide groove 1.6 with stepped appearance cylindrical cam 2 on driving curve groove 2.2 contact the formation groove by bearing and be connected.In like manner the second moving slider 7, the 3rd moving slider 9, the 4th moving slider 11 form relevant connection with the second moving slider seat 8, the 3rd moving slider seat 10, the 4th moving slider seat 12, base plate 1 and stepped appearance cylindrical cam 2 respectively.Four cylinder axis of bracing frame 5 lower end edge circumference uniform distributions, its terminal roundlet pin 5.1,5.2,5.3,5.4 and base plate 1 on hole 1.7,1.8,1.9,1.10 be connected so that bracing frame is fixed on the base plate.Through hole 6.1,6.2,6.3,6.4 is inserted in respectively and forms with it sliding pair on the bracing frame 5 behind the cylinder axis 5.5,5.6,5.7,5.8 on the locking slide plate 6, on locking slide plate 6 medial surfaces on straight pin 6.5 and the stepped appearance cylindrical cam 2 locking curved groove 2.3 form groove by the bearing contact and be connected, all the other two straight pins 6.6,6.7 are connected with all the other two locking curved grooves formation grooves on the stepped appearance cylindrical cam 2 respectively.
As shown in Figure 8, stepped appearance cylindrical cam 2 is designed with driving curve groove and locking curved groove, its driving curve groove totally four be distributed on the large end face, the conduit profile is comprised of folded state lateral locking profile, expansion profile and deployed condition lateral locking profile three parts, both can realize the accurate unfolded of extending arm, also can realize the lateral locking of extending arm folded state and deployed condition.The locking curved groove is arranged on the stepped appearance cylindrical cam 2 small end cylindrical sides, its conduit the outline design and driving curve groove profile are complementary, divide initial level profile, rising profile and maintenance level profile three parts, realize that extending arm locks slide plate 6 null displacements in launching; Extending arm launches and when beginning lateral locking fully, and locking slide plate 6 vertically moves and drives the longitudinal ligament parts and mutually lock; During extending arm deployed condition lateral locking, locking slide plate 6 enters stabilize water and rises as high as the banks and reach vertical self-locking.
As shown in Figure 2, first cuts the fork assembly of elements: comprise four identical right angle cross bars 21,22,23,24 identical with eight bars 13,14,15,16,17,18,19,20 of cutting, one end of every right angle cross bar is tenon, the other end is blind mortise, four right angle cross bars 21,22,23,24 join end to end by tenon and blind mortise and connect the formation square frame, eight are cut per two of bar is that one group of middle part is hinged and forms four X-shapeds and cut the fork hinge, and the two ends that each X-shaped is cut the fork hinge are hinged on one side madial wall of square frame.
As shown in Figure 2, four identical right angle cross bars 21,22,23,24 are respectively the first right angle cross bar 21, the second right angle cross bar 22, the 3rd right angle cross bar 23, the 4th right angle cross bar 24.
As shown in Figure 2, eight identical bars 13,14,15,16,17,18,19,20 of cutting are respectively first and cut bar 13, second and cut bar 14, the 3rd and cut bar 15, the 4th and cut bar 16, the 5th and cut bar 17, the 6th and cut bar 18, the 7th and cut bar 19, the 8th and cut bar 20.
Such as Fig. 1, Fig. 2 and shown in Figure 14, first cuts on the bar 13 centre hole 7.2 and second cuts on the bar 14 the centre hole 7.2 formation revolute pair that is hinged, and consists of an X-shaped and cuts the fork hinge.In like manner, the 3rd cut bar 15 and the 4th and cut bar 16 and consist of X-shapeds and cut the fork hinge; The 5th cuts bar 17 and the 6th cuts bar 18 and consists of X-shapeds and cut the fork hinge; The 7th cuts bar 19 and the 8th cuts bar 20 and consists of an X-shaped and cut the fork hinge.The hole 7.1 hinged formation revolute pairs on the bar 13 are cut in hole 8.2 on the first right angle cross bar 21 and first, and bar 16 holes 7.1 hinged formation revolute pairs are cut in the hole 8.1 and the 4th on it; The hole 7.1 hinged formation revolute pairs on the bar 15 are cut in hole 8.2 and the 3rd on the second right angle cross bar 22, and bar 18 holes 7.1 hinged formation revolute pairs are cut in the hole 8.1 and the 6th on it; The hole 7.1 hinged formation revolute pairs on the bar 17 are cut in hole 8.2 and the 5th on the 3rd right angle cross bar 23, and bar 20 holes 7.1 hinged formation revolute pairs are cut in the hole 8.1 and the 8th on it; The hole 7.1 hinged formation revolute pairs on the bar 19 are cut in hole 8.2 and the 7th on the 4th right angle cross bar 24, and bar 14 holes 7.1 hinged formation revolute pairs are cut in the hole 8.1 on it and second.Four right angle cross bars join end to end, by cutting the fork assembly of elements with 4 first of formation telescopics that cooperate of cutting the fork hinge.
As shown in Figure 3, top braces parts: comprise that eight identical top boards cut bar 25,26,27,28,29,30,31,32, four identical top plate supporting seats 33,34,35,36 and top board 37; Middle part, every limit, foursquare top board lower surface is fixed with respectively double-tee top plate supporting seat 33,34,35,36, the axis of each top plate supporting seat is all perpendicular to the side of each self-corresponding square top board, first and second top board is cut bar 25,26 an end and the first top plate supporting seat 33 axles are hinged, third and fourth top board is cut bar 27,28 an end and the second top plate supporting seat 34 axles are hinged, five, six top boards are cut bar 29,30 an end and the 3rd top plate supporting seat 35 axles are hinged, and the 7th, eight top boards are cut bar 31,32 an end and the 4th top plate supporting seat 36 axles are hinged.
As shown in Figure 3, eight identical top boards are cut bar 25,26,27,28,29,30,31,32 and are respectively the first top board and cut bar 25, the second top boards and cut bar 26, the 3rd top board and cut bar 27, the 4th top board and cut bar 28, the 5th top board and cut bar 29, the 6th top board and cut that bar 30, the 7th top board are cut bar 31, the 8th top board is cut bar 32.
As shown in Figure 3, four identical top plate supporting seats 33,34,35,36 are respectively the first top plate supporting seat 33, the second top plate supporting seats 34, the 3rd top plate supporting seat 35, the 4th top plate supporting seat 36.
Such as Fig. 3, Figure 15, Figure 16 and shown in Figure 17, top board 37 is square thin plate, hole 11.1,11.2 on the top board 37 respectively with top plate supporting seat 33 on hole 10.1,10.2 be connected by bolt, in like manner the second top plate supporting seat 34, the 3rd top plate supporting seat 35, the 4th top plate supporting seat 36 respectively with top board 37 on corresponding hole be connected, final four top plate supporting seats are connected on the top board 37.The first top board cuts that axle 10.3 forms sliding block joints on hole 9.2 on the bar 25 and the first top plate supporting seat 33, and the second top board is cut axle 10.3 formation sliding block joints on hole 9.2 and the first top plate supporting seat 33 on the bar 26; The 3rd top board cuts that axle 10.3 forms sliding block joints on hole 9.2 on the bar 27 and the second top plate supporting seat 34, and the 4th top board is cut axle 10.3 formation sliding block joints on hole 9.2 and the second top plate supporting seat 34 on the bar 28; The 5th top board cuts that axle 10.3 forms sliding block joints on hole 9.2 on the bar 29 and the 3rd top plate supporting seat 35, and the 6th top board is cut axle 10.3 formation sliding block joints on hole 9.2 and the 3rd top plate supporting seat 35 on the bar 30; The 7th top board cuts that axle 10.3 forms sliding block joints on hole 9.2 on the bar 31 and the 4th top plate supporting seat 36, and the 8th top board is cut axle 10.3 formation sliding block joints on hole 9.2 and the 4th top plate supporting seat 36 on the bar 32.
Such as Fig. 4 and shown in Figure 180, the first longitudinal ligament parts: comprise that cylinder has strong market potential 39, have strong market potential cover 41, vertical pole 40 and secondary bar 38; Vertical pole is provided with aperture in 40 holes, is step-like cylinder and has strong market potential and be fastenedly connected with the cover 41 of having strong market potential after 39 small ends pass the aperture, spring of vertical pole 40 successively, and an end of secondary bar 38 is hinged on the outstanding cylinder axis in vertical pole 40 outsides.
Such as Fig. 4 and shown in Figure 180, cylinder is had strong market potential and is fastenedly connected with the cover 41 of having strong market potential after 39 small ends pass the aperture 40.3, spring of vertical pole 40 successively, and action of the spring is on have strong market potential cover 41 and aperture 40.3.Cylinder axis 40.1 forms and is rotationally connected on secondary bar 38 through holes 38.1 and the vertical pole.
As shown in Figure 5, first cut other two ends that four X-shapeds in the fork assembly of elements cut the fork hinge respectively cross-articulation at four moving sliders 4,7,9, on the through hole of 11 both sides, second cuts four X-shapeds in the fork assembly of elements cuts the other two ends of fork hinge and is hinged on respectively first and cuts on the separately madial wall of square frame in the fork assembly of elements, in the top braces parts first, two top boards are cut bar 25,26 other ends, the 3rd, four top boards are cut bar 27,28 other ends, the 5th, six top boards are cut bar 29,30 other ends, the 7th, eight top boards are cut bar 31,32 other ends are hinged on respectively second and cut on the four limit madial walls of square frame in the fork assembly of elements; Four vertical poles 40 in four the first longitudinal ligament parts are hinged on respectively first and cut in the fork assembly of elements on each self-corresponding right angle cross bar 21,22,23,24, and four secondary bar 38 other ends in four the first longitudinal ligament parts are hinged on respectively first and cut in the fork assembly of elements on each self-corresponding right angle cross bar 21,22,23,24; Four vertical poles 40 in four the second longitudinal ligament parts are hinged on respectively second and cut in the fork assembly of elements on each self-corresponding right angle cross bar 21,22,23,24, and four secondary bar 38 other ends in four the second longitudinal ligament parts are hinged on respectively second and cut in the fork assembly of elements on each self-corresponding right angle cross bar 21,22,23,24.
Such as Fig. 2, Fig. 5, Fig. 6, Figure 10 and shown in Figure 13, cut being connected of fork assembly of elements and drive element: the first hole 7.3 of cutting bar 13 is rotationally connected with the 4th moving slider 11 holes, 4.3 formation, and the second hole 7.3 and first moving slider 4 holes, 4.2 formation of cutting bar 14 are rotationally connected; The 3rd hole 7.3 and first moving slider 4 holes, 4.3 formation of cutting bar 15 are rotationally connected, and the 4th hole 7.3 and second moving slider 7 holes, 4.2 formation of cutting bar 16 are rotationally connected; The 5th hole 7.3 and second moving slider 7 holes, 4.3 formation of cutting bar 17 are rotationally connected, and the 6th hole 7.3 and the 3rd moving slider 9 holes, 4.2 formation of cutting bar 18 are rotationally connected; The 7th hole 7.3 and the 3rd moving slider 9 holes, 4.3 formation of cutting bar 19 are rotationally connected, and the 8th hole 7.3 and the 4th moving slider 11 holes, 4.2 formation of cutting bar 20 are rotationally connected.
Such as Fig. 2, Fig. 5, Fig. 6, Figure 13 and shown in Figure 14, cut the processes that the fork assembly of elements connects for two: first cuts the hole 8.2 and second on the first right angle cross bar 21 in the fork assembly of elements cuts in the fork assembly of elements second and cuts hole 7.3 on the bar 14 and form and be rotationally connected, and the hole 8.1 on it and second is cut in the fork assembly of elements the 3rd and cut hole 7.3 on the bar 15 and form and be rotationally connected; First cuts the hole 8.2 and second on the second right angle cross bar 22 in the fork assembly of elements cuts in the fork assembly of elements the 4th and cuts hole 7.3 on the bar 16 and form and be rotationally connected, and the hole 8.1 on it and second is cut in the fork assembly of elements the 5th and cut hole 7.3 on the bar 17 and form and be rotationally connected; First cuts the hole 8.2 and second on the 3rd right angle cross bar 23 in the fork assembly of elements cuts in the fork assembly of elements the 6th and cuts hole 7.3 on the bar 18 and form and be rotationally connected, and the hole 8.1 on it and second is cut in the fork assembly of elements the 7th and cut hole 7.3 on the bar 19 and form and be rotationally connected; First cuts the hole 8.2 and second on the 4th right angle cross bar 24 in the fork assembly of elements cuts in the fork assembly of elements the 8th and cuts hole 7.3 on the bar 20 and form and be rotationally connected, and the hole 8.1 on it and second is cut in the fork assembly of elements first and cut hole 7.3 on the bar 13 and form and be rotationally connected.
Such as Fig. 2, Fig. 3, Fig. 5, Fig. 6, Figure 14 and shown in Figure 15, the top braces parts are cut the connection of pitching assembly of elements with being connected: hole 9.1 formation that the hole 8.2 on the first right angle cross bar 21 and the second top board are cut on the bar 26 are rotationally connected, and hole 9.1 formation that the hole 8.1 on it and the 3rd top board are cut on the bar 27 are rotationally connected; Hole 9.1 formation that hole 8.2 on the second right angle cross bar 22 and the 4th top board are cut on the bar 28 are rotationally connected, and hole 9.1 formation that the hole 8.1 on it and the 5th top board are cut on the bar 29 are rotationally connected; Hole 9.1 formation that hole 8.2 on the 3rd right angle cross bar 23 and the 6th top board are cut on the bar 30 are rotationally connected, and hole 9.1 formation that the hole 8.1 on it and the 7th top board are cut on the bar 31 are rotationally connected; Hole 9.1 formation that hole 8.2 on the 4th right angle cross bar 24 and the 8th top board are cut on the bar 32 are rotationally connected, and hole 9.1 formation that the hole 8.1 on it and the first top board are cut on the bar 25 are rotationally connected.
Such as Fig. 4, Fig. 5, Fig. 6 and shown in Figure 14, the connection of longitudinal ligament parts: each cuts the fork assembly of elements needs four longitudinal ligament parts altogether, the cylinder axis 40.2 of four first longitudinal ligament parts is cut on the fork assembly of elements first, second, third and fourth right angle cross bar mesopore 8.4 with first, second respectively and is formed and be rotationally connected, and cylinder axis 38.2 is rotationally connected with 8.3 formation of the 4th, one, two, three right angle cross bar mesopores respectively it on.
Such as Fig. 5 and shown in Figure 12, after the utility model launches locking fully, the taper pin 6.8,6.9,6.10,6.11 that is equipped with on 6 four petals of locking slide plate is inserted into respectively separately the first vertical pole 40 lower ends to support component, the cylinder of four the first longitudinal ligament parts 39 upper ends of having strong market potential are inserted into respectively separately vertical pole 40 lower ends of the second longitudinal ligament parts, and the cylinder of four the second longitudinal ligament parts 39 upper ends of having strong market potential are inserted into respectively in the top braces parts in top plate supporting seat 33,34,35 separately, 36 the axle.
Described cylinder have strong market potential 39 with length and vertical pole 40 equal in length of cover 41 after being connected of having strong market potential.
Can repeating fold-playing, to cut the fork assembly of elements be the elementary cell of extending arm, and its number determines expansion and the fold height of extending arm.
Working process of the present utility model: motor drives stepped appearance cylindrical cam 2 by driving device and rotates, the first moving slider 4, the second moving slider 7, the 3rd moving slider 9, the 4th moving slider 11 are under the driving of stepped appearance cylindrical cam 2 driving curve grooves 2.2, respectively from base plate 1 diagonal to central slide.The movement of four moving sliders drives first and cuts in the fork assembly of elements each X-shaped and cut the fork hinge and launch, and simultaneously the first expansion of cutting the fork assembly of elements drives again the second expansion of cutting the fork assembly of elements, launches until drive the top braces parts.Each cuts the longitudinal ligament parts of pitching on four sides of assembly of elements, and the expansion of pitching hinge is automatic moves toward vertical direction along with X-shaped is cut.All cut the fork assembly of elements launch complete after, vertical pole 40 in the corresponding longitudinal ligament mechanism all moves to the position of vertical base plate 1, all right angle cross bar relative motions are also closed up, four moving sliders begin lateral locking under 2.2 effects of trapezoidal cylindrical cam 2 driving curve grooves, lock simultaneously the straight pin 6.5 in the slide plate 6,6.6,6.7 the initial level profile from trapezoidal cylindrical cam 2 locking curved grooves enters the rising profile and arrives at last the maintenance level profile respectively, so that taper pin 6.8 on it, 6.9,6.10,6.11 be inserted into respectively four first to vertical pole 40 lower ends of support component, the cylinder of four the first longitudinal ligament parts 39 upper ends of having strong market potential are inserted into respectively vertical pole 40 lower ends of four the second longitudinal ligament parts, and the cylinder of four the second longitudinal ligament parts 39 upper ends of having strong market potential are inserted into respectively four top plate supporting seats 33 in the top braces parts, 34,35, in the hole 10.4 on 36.By a series of coordinations, the utility model is launched into stable rigid truss structure.The process of turning back just in contrast, trapezoidal cylindrical cam 2 counter-rotation get final product.
The above-mentioned specific embodiment is used for the utility model of explaining; rather than the utility model limited; in the protection domain of spirit of the present utility model and claim, any modification and change to the utility model is made all fall into protection domain of the present utility model.
Claims (3)
1. scissor-type space mast mechanism is characterized in that: comprise that first cuts fork assembly of elements, second and cut fork assembly of elements, drive element, top braces parts, four the first longitudinal ligament parts and four the second longitudinal ligament parts; First cuts fork assembly of elements and second cuts that to pitch the assembly of elements structure identical, and four the first longitudinal ligament parts are all identical with four the second longitudinal ligament block constructions;
Drive element: comprise base plate (1), stepped appearance cylindrical cam (2), four identical moving slider seats (3,8,10,12), four identical moving sliders (4,7,9,11), bracing frame (5) and locking slide plate (6); Stepped appearance cylindrical cam (2) is installed in the lower end of square floor (1), stepped appearance cylindrical cam (2) small end cylinder forms normal-running fit after passing the centre hole of square floor (1), uniformly on stepped appearance cylindrical cam (2) large end face have four identical driving curve grooves, the driving curve groove radius is large and head and the tail are staggered from little change, and stepped appearance cylindrical cam (2) small end cylindrical side is uniform to have three identical spiralling locking curved grooves; All have the guide groove along diagonal on (1) four jiao of the square floor, four I-shape moving slider seats (3,8,10,12) be separately fixed at square floor (1) separately on the guide groove, four I-shape moving slider seats (3,8,10,12) separately guide groove is corresponding parallel on axis and the square floor (1), four I-shape moving slider seats (3,8,10,12) all overlap on the axle moving slider is arranged, four moving sliders (4,7,9,11) both sides, upper end are vertical and have a through hole, four moving sliders (4,7,9,11) lower end is installed in the separately driving curve groove of stepped appearance cylindrical cam (2) large end face after passing respectively the separately guide groove of square floor (1); Four cylinder axis of bracing frame (5) lower end edge circumference uniform distribution pass and are fixed on behind four petal locking slide plates (6) in the base plate (1) in the heart, three straight pins that locking slide plate (6) medial surface is laid with are installed in respectively in each self-locking curved groove of stepped appearance cylindrical cam (2) small end cylindrical side, and four I-shape moving slider seats (3,8,10,12) end is positioned between four petals of locking slide plate (6);
First cuts the fork assembly of elements: comprise four identical right angle cross bars (21,22,23,24) identical with eight cut bar (13,14,15,16,17,18,19,20), one end of every right angle cross bar is tenon, the other end is blind mortise, four right angle cross bars (21,22,23,24) join end to end by tenon and blind mortise and connect the formation square frame, eight are cut per two of bar is that one group of middle part is hinged and forms four X-shapeds and cut the fork hinge, and the two ends that each X-shaped is cut the fork hinge are hinged on one side madial wall of square frame;
Top braces parts: comprise that eight identical top boards cut bar (25,26,27,28,29,30,31,32), four identical top plate supporting seats (33,34,35,36) and top board (37); Middle part, every limit, foursquare top board lower surface is fixed with respectively double-tee top plate supporting seat (33,34,35,36), the axis of each top plate supporting seat is all perpendicular to the side of each self-corresponding square top board, first, two top boards are cut bar (25,26) a end and the first top plate supporting seat (33) axle are hinged, the 3rd, four top boards are cut bar (27,28) a end and the second top plate supporting seat (34) axle are hinged, the 5th, six top boards are cut bar (29,30) a end and the 3rd top plate supporting seat (35) axle are hinged, and the 7th, eight top boards are cut bar (31,32) a end and the 4th top plate supporting seat (36) axle are hinged;
The first longitudinal ligament parts: comprise cylinder have strong market potential (39), have strong market potential cover (41), vertical pole (40) and secondary bar (38); Vertical pole (40) is provided with aperture in the hole, is step-like cylinder and has strong market potential and be fastenedly connected with the cover (41) of having strong market potential after (39) small end passes the aperture, spring of vertical pole (40) successively, and an end of secondary bar (38) is hinged on vertical pole (40) outside;
First cut other two ends that four X-shapeds in the fork assembly of elements cut the fork hinge respectively cross-articulation at four moving sliders (4,7,9,11) on the through hole of both sides, second cuts four X-shapeds in the fork assembly of elements cuts the other two ends of fork hinge and is hinged on respectively first and cuts on the separately madial wall of square frame in the fork assembly of elements, in the top braces parts first, two top boards are cut bar (25,26) other end, the 3rd, four top boards are cut bar (27,28) other end, the 5th, six top boards are cut bar (29,30) other end, the 7th, eight top boards are cut bar (31,32) other end is hinged on respectively second and cuts in the fork assembly of elements on the four limit madial walls of square frame; Four vertical poles (40) in four the first longitudinal ligament parts are hinged on respectively first and cut in the fork assembly of elements on each self-corresponding right angle cross bar, and four secondary bars (38) other end in four the first longitudinal ligament parts is hinged on respectively first and cuts in the fork assembly of elements on each self-corresponding right angle cross bar; Four vertical poles (40) in four the second longitudinal ligament parts are hinged on respectively second and cut in the fork assembly of elements on each self-corresponding right angle cross bar, and four secondary bars (38) other end in four the second longitudinal ligament parts is hinged on respectively second and cuts in the fork assembly of elements on each self-corresponding right angle cross bar.
2. a kind of scissor-type space mast according to claim 1 mechanism, it is characterized in that: the taper pin that is equipped with on (6) four petals of described locking slide plate is inserted into respectively separately the first vertical pole to support component (40) lower end, the cylinder of described four the first longitudinal ligament parts (39) upper end of having strong market potential is inserted into respectively the separately vertical pole of the second longitudinal ligament parts (40) lower end, and the cylinder of described four the second longitudinal ligament parts (39) upper end of having strong market potential is inserted into respectively in the top braces parts separately in the axle of top plate supporting seat (33,34,35,36).
3. a kind of scissor-type space mast according to claim 1 mechanism is characterized in that: described cylinder have strong market potential (39) and length and vertical pole (40) equal in length after the cover (41) of having strong market potential is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220322550 CN202686777U (en) | 2012-07-03 | 2012-07-03 | Scissor type space stretched arm mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220322550 CN202686777U (en) | 2012-07-03 | 2012-07-03 | Scissor type space stretched arm mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN202686777U true CN202686777U (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220322550 Expired - Lifetime CN202686777U (en) | 2012-07-03 | 2012-07-03 | Scissor type space stretched arm mechanism |
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| CN (1) | CN202686777U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765492A (en) * | 2012-07-03 | 2012-11-07 | 浙江理工大学 | Scissor-type space stretching arm mechanism |
| CN103693217A (en) * | 2013-12-06 | 2014-04-02 | 上海卫星工程研究所 | Retractable spatial stretching arm for satellite |
| CN104058103A (en) * | 2014-06-27 | 2014-09-24 | 北京空间飞行器总体设计部 | Rigid-flexible connecting structure for flexible inflating unfolding structure of spacecraft |
| CN107053075A (en) * | 2017-05-09 | 2017-08-18 | 上海沪工汽车电器有限公司 | A kind of AUTOMOTIVE RELAY shell four sides disassembly mechanism |
| CN107055377A (en) * | 2017-04-25 | 2017-08-18 | 天津工业大学 | Only the scissor-type containing revolute pair it is scalable/liftable mechanism |
| CN107963571A (en) * | 2017-10-24 | 2018-04-27 | 中南大学 | A kind of scissor lifting device of electromagnetism-screw coordinated drive |
| CN110435935A (en) * | 2019-07-23 | 2019-11-12 | 哈尔滨工业大学 | A kind of repeatable winged anchor for penetrating and fixing fragment |
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2012
- 2012-07-03 CN CN 201220322550 patent/CN202686777U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765492A (en) * | 2012-07-03 | 2012-11-07 | 浙江理工大学 | Scissor-type space stretching arm mechanism |
| CN102765492B (en) * | 2012-07-03 | 2014-07-23 | 浙江理工大学 | Scissor-type space stretching arm mechanism |
| CN103693217A (en) * | 2013-12-06 | 2014-04-02 | 上海卫星工程研究所 | Retractable spatial stretching arm for satellite |
| CN104058103A (en) * | 2014-06-27 | 2014-09-24 | 北京空间飞行器总体设计部 | Rigid-flexible connecting structure for flexible inflating unfolding structure of spacecraft |
| CN107055377A (en) * | 2017-04-25 | 2017-08-18 | 天津工业大学 | Only the scissor-type containing revolute pair it is scalable/liftable mechanism |
| CN107053075A (en) * | 2017-05-09 | 2017-08-18 | 上海沪工汽车电器有限公司 | A kind of AUTOMOTIVE RELAY shell four sides disassembly mechanism |
| CN107963571A (en) * | 2017-10-24 | 2018-04-27 | 中南大学 | A kind of scissor lifting device of electromagnetism-screw coordinated drive |
| CN107963571B (en) * | 2017-10-24 | 2019-05-03 | 中南大学 | A kind of scissor lifting device of electromagnetism-screw rod coordinated drive |
| CN110435935A (en) * | 2019-07-23 | 2019-11-12 | 哈尔滨工业大学 | A kind of repeatable winged anchor for penetrating and fixing fragment |
| CN110435935B (en) * | 2019-07-23 | 2023-01-24 | 哈尔滨工业大学 | Flying anchor capable of repeatedly penetrating and fixing fragments |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130123 Effective date of abandoning: 20140723 |
|
| RGAV | Abandon patent right to avoid regrant |