CN105353774A - Limiting mechanism for rotary table with selective rotating angle of between plus or minus 360 degrees - Google Patents
Limiting mechanism for rotary table with selective rotating angle of between plus or minus 360 degrees Download PDFInfo
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- CN105353774A CN105353774A CN201410418548.8A CN201410418548A CN105353774A CN 105353774 A CN105353774 A CN 105353774A CN 201410418548 A CN201410418548 A CN 201410418548A CN 105353774 A CN105353774 A CN 105353774A
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Abstract
The present invention belongs to the field of the rotary table structure design technology, and relates to a limiting mechanism for a rotary table with a selective rotating angle of between plus or minus 360 degrees. The limiting mechanism for the rotary table with a selective rotating angle of between plus or minus 360 degrees provided by the invention is applicable to a rotary table or other rotation devices with a rotating angle of between plus or minus 360 degrees. The limiting mechanism provided by the invention is composed of an electrical limiting mechanism and a machinery limiting mechanism; the electrical limiting mechanism includes two limitation micro switches; and the machinery limiting mechanism includes a bottom plate, a knocking shaft, a shifting ring, a small shaft, a steel ball, knocking blocks, and the like. The bottom plate is installed on the pedestal of the table body; the two limitation micro switches, the knocking shaft, the shifting ring, the small shaft and the steel ball are installed on the bottom plate; and the knocking blocks are installed on a rotation part relatively rotating with the bottom plate. The knocking blocks are configured to stir the shifting ring to realize the electrical limiting and the machinery limiting when the rotary table is rotating. The limiting mechanism for a rotary table with a selective rotating angle of between plus or minus 360 degrees is simple and compact in structure and low in production cost, and is able to satisfy the limitation requirement of the rotary table with a rotating angle of between plus or minus 360 degrees.
Description
Technical field
The invention belongs to turntable structure design field, relate to a kind of angle range 0 ~ ± 360 ° of selective limiting mechanism of rotary table.
Background technology
The rotary part that turntable comprises pedestal, rotate relative to pedestal and installing plate, wherein rotary part is located on pedestal, and installing plate is arranged on the top of rotary part, drives rotary part to rotate thus drive the rotation of set load on installing plate by motor.Some turntable needs to realize multi-turn continuous rotary, and some turntable then needs the rotation of limited angle range.For requiring that the turntable that limited angle range rotates just needs to arrange position-limit mechanism.In position-limit mechanism in the past, normally turntable rotates when meeting the requirements of angle, and the collision block on rotary part collides microswitch on pedestal and block, thus plays position-limiting action.Certain angular region will be occupied respectively when pedestal being installed in this position-limit mechanism microswitch and block, this traditional method for designing is when turntable limited space, as turntable angle range require as ± 360 ° spacing time, be difficult to the position-limiting action realizing effective range.
Summary of the invention
The present invention is directed to the deficiency that in above-mentioned existing turntable structure designing technique, position-limit mechanism exists, a kind of angle range 0 ~ ± 360 ° of selective limiting mechanism of rotary table is proposed, this position-limit mechanism volume is little and production cost is low, compact conformation, it can meet the spacing needs of turntable of angle range 0 ~ ± 360 °.Technical solution of the present invention is:
Position-limit mechanism comprises: base plate, and microswitch hits axle, ring, little axle, steel ball, spring, collision block.Dialling Ring current distribution P is arranged on base plate by little axle, wherein the profile of ring is circular arc, P is center of arc, ring there is the scarce arc that A, O, B tri-shapes are identical, center A ', the O ' of A, O, B tri-scarce arcs, B ' are in the radial direction of ring, center A ', O ', the B ' of A, O, B tri-scarce arcs are equal to the distance of ring center P, i.e. PA '=PO '=PB ', the angle theta of PA ' and PO '
1the positive-angle spacing according to turntable is determined, the angle theta of PB ' and PO '
2the negative angle spacing according to turntable is determined, ring there is the scarce arc at γ angle at the opposite side with A, O, B tri-scarce arcs, γ=γ
1+ γ
2, γ
1the negative angle spacing according to turntable is determined, γ
2the positive-angle spacing according to turntable is determined, the dual-side at γ angle is C limit and D limit, the length on C limit and D limit is equal, hit axle to be arranged on ring γ angle on base plate and to lack the side of arc, hit between cambered surface that the outward flange of axle and γ angle formed on ring and leave gap, Zhuan Zhou center Q and ring center P and O Que Hu center O ' point-blank, hit shaft diameter to be determined by the length on C limit or D limit, two microswitches are arranged on ring γ angle on base plate and lack the side of arc, two microswitches are placed in the left and right sides of ring center line respectively, the start of two microswitches is facing to ring γ angle cambered surface, the start face of microswitch, left side and the vertical range H of ring center P
1=arccos (γ
1-θ
2), the start face of left side microswitch and the lateral separation L of ring center P
1=arcsin (γ
1-θ
2), the start face of microswitch, right side and the vertical range H of ring center P
2=arccos (γ
2-θ
1), the start face of right side microswitch and the lateral separation L of ring center P
2=arcsin (γ
2-θ
1), steel ball is arranged between ring and base plate by screw and spring compression, steel ball is arranged on ring center P and O and lacks between arc base, steel ball center and ring center P and O Que Hu center O ' are point-blank, the base plate of left, center, right, steel ball center respectively has a ball recess M, T, N, the degree of depth of ball recess is 1/4 of steel ball size, three, left, center, right ball recess M, T, the center of N is equal to the distance of ring center P with steel ball center to the distance of ring center P, the center of central spherical groove T is on PO ', the center line of left side ball recess M and the angle of PO ' are θ
1/ 2, the center line of right side ball recess N and the angle of PO ' are θ
2/ 2.Collision block is arranged on to be had on the relative rotary part rotated with base plate, and collision block profile and A lack arc or O and lack arc or B to lack arc shape corresponding, and collision block center and O lack arc center superposition, and base plate is arranged in rotary table base.
The spacing positive and negative angle symmetrical of described turntable, ± α, during 0< α <180 °, rotary part installs three collision blocks, three collision block centers are equal to the distance of turntable center S, one of them collision block center and O lack arc center superposition, and two other collision block symmetry is arranged on the left and right sides of SO ', and the angle of two collision block center lines and SO ' is all α.
The spacing positive and negative angle asymmetry of described turntable ,+α
1with-α
2, 0< α
1<180 °, and 0< α
2during <180 °, or+β
1with-β
2, 0< β
1<360 °, and β
2<360 °-β
1time, rotary part installs three collision blocks, and three collision block centers are equal to the distance of turntable center S, and one of them collision block center and O lack arc center superposition, two other collision block is arranged on the left and right sides of SO ' or the same side of SO ', and the angle of one of them collision block center line and SO ' is α
1or β
1, the angle of another collision block center line and SO ' is α
2or β
2.
The spacing positive negative angle of described turntable equals 360 °, and collision block is arranged on rotary part, and collision block center and O lack arc center superposition.
The spacing positive negative angle of described turntable equals 180 °, and rotary part installs two collision blocks, two collision block installations symmetrical relative to turntable center S, one of them collision block center and O lack arc center superposition; The spacing positive and negative angle asymmetry of described turntable ,+β
1with-β
2, and β
1+ β
2when=360 °, rotary part installs two collision blocks, and two collision block centers are equal to the distance of turntable center S, and one of them collision block center and O lack arc center superposition, and the angle of another one collision block center line and SO ' is β
1.
The advantage that the present invention has and beneficial effect: 1. this invention realizes electric limiting and mechanical position limitation by ring, ring, electric limiting and mechanical position limitation are all arranged on base plate, the total of this position-limit mechanism is made to become simply compact, the space taken is little, is particularly suitable for applying in the limited structure of structure space; 2. the version of this invention can realize the spacing of the multiple angle range of turntable, as long as just can be adjusted the angle range of turntable by the quantity and angle changing collision block, the different angle ranges needing multiple turntable to realize before can making a turntable replacement, this just can greatly reduce costs, saving resource; 3. this invention version is simply compact, is not only convenient to install and adjust angle, is convenient to various ways turntable or the use of other slewings simultaneously; 4. this invention can not only realize electric limiting, can also realize mechanical position limitation, practical, and turntable reliability of operation is strengthened, the favourable security performance improving turntable.
Accompanying drawing explanation
Fig. 1 is structure and working principle schematic diagram of the present invention.
Fig. 2 is cut-open view of the present invention.
Fig. 3 is the structural representation in the spacing process of the present invention;
Fig. 4 is that the present invention is spacing to structural representation during required angle.
Embodiment
Below in conjunction with accompanying drawing, the present invention is elaborated.
As shown in the figure, this limiting mechanism of rotary table comprises: base plate 1 is arranged on the pedestal of turntable, microswitch 2 is arranged on base plate 1 by screw 3, hit axle 4 and be arranged on base plate 1, the center P of ring 5 is arranged on base plate 1 by little axle 7, wherein the profile of ring 5 is circular arc, P is center of arc, ring there is the scarce arc that A, O, B tri-shapes are identical, center A ', the O ' of A, O, B tri-scarce arcs, B ' are in the radial direction of ring, center A ', O ', the B ' of A, O, B tri-scarce arcs are equal to the distance of ring center P, i.e. PA '=PO '=PB ', the angle theta of PA ' and PO '
1the positive-angle spacing according to turntable is determined, the angle theta of PB ' and PO '
2the negative angle spacing according to turntable is determined, ring there is the scarce arc at γ angle at the opposite side with A, O, B tri-scarce arcs, γ=γ
1+ γ
2, γ
1the negative angle spacing according to turntable is determined, γ
2the positive-angle spacing according to turntable is determined, the dual-side at γ angle is C limit and D limit, the length on C limit and D limit is equal, hit axle 4 to be arranged on ring γ angle on base plate 1 and to lack the side of arc, hit between cambered surface that the outward flange of axle 4 and γ angle formed on ring and leave gap, Zhuan Zhou center Q and ring center P and O Que Hu center O ' point-blank, hit shaft diameter to be determined by the length on C limit or D limit, two microswitches 2 are arranged on ring γ angle on base plate 1 and lack the side of arc, two microswitches 2 are placed in the left and right sides of ring center line respectively, the start of two microswitches is facing to ring γ angle cambered surface, the start face of microswitch, left side and the vertical range H of ring center P
1=arccos (γ
1-θ
2), the start face of left side microswitch and the lateral separation L of ring center P
1=arcsin (γ
1-θ
2), the start face of microswitch, right side and the vertical range H of ring center P
2=arccos (γ
2-θ
1), the start face of right side microswitch and the lateral separation L of ring center P
2=arcsin (γ
2-θ
1), steel ball 10 is compressed by screw 9 and spring 11 and is arranged between ring 5 and base plate 1, steel ball is arranged on ring center P and O and lacks between arc base, steel ball center and ring center P and O Que Hu center O ' are point-blank, the base plate of left, center, right, steel ball center respectively has a ball recess M, T, N, the degree of depth of ball recess is 1/4 of steel ball size, three, left, center, right ball recess M, T, the center of N is equal to the distance of ring center P with steel ball center to the distance of ring center P, the center of central spherical groove T is on PO ', the center line of left side ball recess M and the angle of PO ' are θ
1/ 2, the center line of right side ball recess N and the angle of PO ' are θ
2/ 2.Collision block 13 is arranged on to be had on the relative rotary part rotated with base plate, and collision block profile and A lack arc or O and lack arc or B to lack arc shape corresponding, and collision block center and O lack arc center superposition, and base plate is arranged in rotary table base.
When turntable is spacing:
1. to realize angle range ± 360 ° spacing for turntable.Having a collision block 13 to be arranged on has on the relative rotary part rotated with base plate, and collision block 13 center and O lack arc center superposition (as shown in FIG. 13), and now steel ball is in T position.Drive collision block to depart from from O position when the rotary part of turntable turns clockwise, thus drive ring to rotate counterclockwise, when the steel ball on ring forwards N position to, ring is fixed.When the rotary part anglec of rotation of turntable is close to 360 °, collision block is close to ring and enter A bit strip and move ring and rotate together, and when the anglec of rotation is to 360 °, the D limit of ring is pressed onto microswitch, and microswitch is energized, and gives turret systems signal transmission.If turntable rotary part continues to rotate, the D limit of ring will bump against axle to realize mechanical position limitation effect.Drive collision block to depart from from O position when the rotary part of turntable is rotated counterclockwise, thus drive ring to rotate clockwise, when the steel ball on ring forwards M position to, ring is fixed.During close-360 ° of the rotary part anglec of rotation of turntable, collision block is close to ring and enter B bit strip and move ring and rotate together, and when the anglec of rotation is to-360 °, the C limit of ring is pressed onto microswitch, and microswitch is energized, and gives turret systems signal transmission.If turntable rotary part continues to rotate, the C limit of ring will bump against axle to realize mechanical position limitation effect.
2. to realize angle range ± 180 ° spacing for turntable.Having two collision blocks to be arranged on has on the relative rotary part rotated with base plate, and two collision block installations symmetrical relative to turntable center S, one of them collision block 13 center and O lack arc center superposition (as shown in FIG. 13 and 15), and now steel ball is in T position.Drive collision block 13 to depart from from O position when the rotary part of turntable turns clockwise, thus drive ring to rotate counterclockwise, when the steel ball on ring forwards N position to, ring is fixed.When the rotary part anglec of rotation of turntable is close to 180 °, collision block 15 is close to ring and enter A bit strip and move ring and rotate together, and when the anglec of rotation is to 180 °, the D limit of ring is pressed onto microswitch, and microswitch is energized, and gives turret systems signal transmission.If turntable rotary part continues to rotate, the D limit of ring will bump against axle to realize mechanical position limitation effect.Drive collision block 13 to depart from from O position when the rotary part of turntable is rotated counterclockwise, thus drive ring to rotate clockwise, when the steel ball on ring forwards M position to, ring is fixed.During close-180 ° of the rotary part anglec of rotation of turntable, collision block 15 is close to ring and enter B bit strip and move ring and rotate together, and when the anglec of rotation is to-180 °, the C limit of ring is pressed onto microswitch, and microswitch is energized, and gives turret systems signal transmission.If turntable rotary part continues to rotate, the C limit of ring will bump against axle to realize mechanical position limitation effect.
3. to realize the positive and negative angle symmetrical ± α of angle range (0< α <180 °) spacing for turntable.Having three collision blocks to be arranged on has on the relative rotary part rotated with base plate, three collision block centers are equal to the distance of turntable center S, one of them collision block 13 center and O lack arc center superposition, two other collision block symmetry is arranged on the left and right sides of SO ', the angle of two collision block center lines and SO ' is be all α (as shown in FIG. 13,14 and 16), and now steel ball is in T position.Drive collision block 13 to depart from from O position when the rotary part of turntable turns clockwise, thus drive ring to rotate counterclockwise, when the steel ball on ring forwards N position to, ring is fixed.During close+the α of the rotary part anglec of rotation of turntable, collision block 16 is close to ring and enter A bit strip and move ring and rotate together, and when the anglec of rotation is to+α, the D limit of ring is pressed onto microswitch, and microswitch is energized, and gives turret systems signal transmission.If turntable rotary part continues to rotate, the D limit of ring will bump against axle to realize mechanical position limitation effect.Drive collision block 13 to depart from from O position when the rotary part of turntable is rotated counterclockwise, thus drive ring to rotate clockwise, when the steel ball on ring forwards M position to, ring is fixed.As the close-α of the rotary part anglec of rotation of turntable, collision block 14 is close to ring and enter B bit strip and move ring and rotate together, and when the anglec of rotation is to-α, the C limit of ring is pressed onto microswitch, and microswitch is energized, and gives turret systems signal transmission.If turntable rotary part continues to rotate, the C limit of ring will bump against axle to realize mechanical position limitation effect.
4. to realize the positive and negative angle asymmetry of angle range spacing for turntable ,+α
1with-α
2, (0< α
1<180 °, and 0< α
2<180 °), or+β
1with-β
2, (0< β
1<360 °, and β
2<360 °-β
1), having three collision blocks to be arranged on has on the relative rotary part rotated with base plate, three collision block centers are equal to the distance of turntable center S, one of them collision block 13 center and O lack arc center superposition, two other collision block is arranged on the left and right sides of SO ' or the same side of SO ', the angle of one of them collision block center line and SO ' is α 1 or β 1, and the angle of another collision block center line and SO ' is α
2or β
2(as shown in FIG. 13,16 and 17 or 13,14 and 17), now steel ball is in T position.Drive collision block 13 to depart from from O position when the rotary part of turntable turns clockwise, thus drive ring to rotate counterclockwise, when the steel ball on ring forwards N position to, ring is fixed.Close+the α of the rotary part anglec of rotation of turntable
1or+β
1time, collision block 16 is close to ring and enter A bit strip and move ring and rotate together, and the anglec of rotation is to+α
1or+β
1time, the D limit of ring is pressed onto microswitch, and microswitch is energized, and gives turret systems signal transmission.If turntable rotary part continues to rotate, the D limit of ring will bump against axle to realize mechanical position limitation effect.Drive collision block 13 to depart from from O position when the rotary part of turntable is rotated counterclockwise, thus drive ring to rotate clockwise, when the steel ball on ring forwards M position to, ring is fixed.As the close-α of the rotary part anglec of rotation of turntable
2or-β
2time, collision block 14 is close to ring and enter B bit strip and move ring and rotate together, and the anglec of rotation is to-α
2or-β
2time, the C limit of ring is pressed onto microswitch, and microswitch is energized, and gives turret systems signal transmission.If turntable rotary part continues to rotate, the C limit of ring will bump against axle to realize mechanical position limitation effect.
5. to realize the positive and negative angle asymmetry of angle range spacing for turntable ,+β
1with-β
2, and β
1+ β
2=360 °, rotary part installs two collision blocks, and two collision block central points are equal to the distance of turntable center S, and one of them collision block 13 center and O lack arc center superposition, and the angle of another one collision block 17 center line and SO ' is β
1(as shown in FIG. 13 and 17), now steel ball is in T position.Drive collision block 13 to depart from from O position when the rotary part of turntable turns clockwise, thus drive ring to rotate counterclockwise, when the steel ball on ring forwards N position to, ring is fixed.Close+the β of the rotary part anglec of rotation of turntable
1time, collision block 17 is close to ring and enter A bit strip and move ring and rotate together, and the anglec of rotation is to+β
1time, the D limit of ring is pressed onto microswitch, and microswitch is energized, and gives turret systems signal transmission.If turntable rotary part continues to rotate, the D limit of ring will bump against axle to realize mechanical position limitation effect.Drive collision block 13 to depart from from O position when the rotary part of turntable is rotated counterclockwise, thus drive ring to rotate clockwise, when the steel ball on ring forwards M position to, ring is fixed.Close-the β of the rotary part anglec of rotation of turntable
2time, collision block 17 is close to ring and enter B bit strip and move ring and rotate together, and the anglec of rotation is to-β
2time, the C limit of ring is pressed onto microswitch, and microswitch is energized, and gives turret systems signal transmission.If turntable rotary part continues to rotate, the C limit of ring will bump against axle to realize mechanical position limitation effect.
The above; it is only the embodiment of common angle of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solution of the present invention.
Claims (5)
1. an angle range 0 ~ ± 360 ° of selective limiting mechanism of rotary table, it is characterized in that, position-limit mechanism comprises: base plate (1), microswitch (2), hit axle (4), ring (5), little axle (7), steel ball (10), spring (11), collision block (13), the center P of ring (5) is arranged on base plate (1) by little axle (7), wherein the profile of ring (5) is circular arc, P is center of arc, ring there is A, O, the scarce arc that B tri-shapes are identical, A, O, the center A ' of B tri-scarce arcs, O ', B ' is in the radial direction of ring, A, O, the center A ' of B tri-scarce arcs, O ', B ' is equal to the distance of ring center P, i.e. PA '=PO '=PB ', the angle theta of PA ' and PO '
1the positive-angle spacing according to turntable is determined, the angle theta of PB ' and PO '
2the negative angle spacing according to turntable is determined, ring there is the scarce arc at γ angle at the opposite side with A, O, B tri-scarce arcs, γ=γ
1+ γ
2, γ
1the negative angle spacing according to turntable is determined, γ
2the positive-angle spacing according to turntable is determined, the dual-side at γ angle is C limit and D limit, the length on C limit and D limit is equal, hit axle (4) and be arranged on the side that the upper ring γ angle of base plate (1) lacks arc, hit between cambered surface that the outward flange of axle (4) and γ angle formed on ring and leave gap, Zhuan Zhou center Q and ring center P and O Que Hu center O ' point-blank, hit shaft diameter to be determined by the length on C limit or D limit, two microswitches (2) are arranged on ring γ angle on base plate (1) and lack the side of arc, two microswitches (2) are placed in the left and right sides of ring center line respectively, the start of two microswitches is facing to ring γ angle cambered surface, the start face of microswitch, left side and the vertical range H of ring center P
1=arccos (γ
1-θ
2), the start face of left side microswitch and the lateral separation L of ring center P
1=arcsin (γ
1-θ
2), the start face of microswitch, right side and the vertical range H of ring center P
2=arccos (γ
2-θ
1), the start face of right side microswitch and the lateral separation L of ring center P
2=arcsin (γ
2-θ
1), steel ball (10) is compressed by screw (9) and spring (11) and is arranged between ring (5) and base plate (1), steel ball is arranged on ring center P and O and lacks between arc base, steel ball center and ring center P and O Que Hu center O ' are point-blank, the base plate of left, center, right, steel ball center respectively has a ball recess M, T, N, the degree of depth of ball recess is 1/4 of steel ball size, three, left, center, right ball recess M, T, the center of N is equal to the distance of ring center P with steel ball center to the distance of ring center P, the center of central spherical groove T is on PO ', the center line of left side ball recess M and the angle of PO ' are θ
1/ 2, the center line of right side ball recess N and the angle of PO ' are θ
2/ 2, collision block (13) is arranged on to be had on the relative rotary part rotated with base plate, and collision block profile and A lack arc or O and lack arc or B to lack arc shape corresponding, and collision block center and O lack arc center superposition, and base plate is arranged in rotary table base.
2. angle range 0 ~ ± 360 ° of selective limiting mechanism of rotary table according to claim 1, it is characterized in that, the spacing positive and negative angle symmetrical of described turntable, ± α, during 0< α <180 °, rotary part installs three collision blocks (13), three collision block centers are equal to the distance of turntable center S, one of them collision block (13) center and O lack arc center superposition, two other collision block symmetry is arranged on the left and right sides of SO ', and the angle of two collision block center lines and SO ' is all α.
3. angle range 0 ~ ± 360 ° of selective limiting mechanism of rotary table according to claim 1, is characterized in that, the spacing positive and negative angle asymmetry of described turntable ,+α
1with-α
2, 0< α
1<180 °, and 0< α
2during <180 °, or+β
1with-β
2, 0< β
1<360 °, and β
2<360 °-β
1time, rotary part installs three collision blocks (13), three collision block centers are equal to the distance of turntable center S, one of them collision block (13) center and O lack arc center superposition, two other collision block is arranged on the left and right sides of SO ' or the same side of SO ', and the angle of one of them collision block center line and SO ' is α
1or β
1, the angle of another collision block center line and SO ' is α
2or β
2.
4. angle range 0 ~ ± 360 ° of selective limiting mechanism of rotary table according to claim 1, it is characterized in that, the spacing positive negative angle of described turntable equals 360 °, and collision block (13) is arranged on rotary part, and collision block (13) center and O lack arc center superposition.
5. angle range 0 ~ ± 360 ° of selective limiting mechanism of rotary table according to claim 1, it is characterized in that, the spacing positive negative angle of described turntable equals 180 °, rotary part installs two collision blocks (13), two collision block installations symmetrical relative to turntable center S, one of them collision block (13) center and O lack arc center superposition; The spacing positive and negative angle asymmetry of described turntable ,+β
1with-β
2, and β
1+ β
2when=360 °, rotary part installs two collision blocks (13), and two collision block centers are equal to the distance of turntable center S, and one of them collision block (13) center and O lack arc center superposition, and the angle of another one collision block center line and SO ' is β
1.
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| CN201410418548.8A CN105353774B (en) | 2014-08-22 | 2014-08-22 | The optional formula limiting mechanism of rotary table in angle range 0~± 360 ° |
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|---|---|---|---|
| CN201410418548.8A CN105353774B (en) | 2014-08-22 | 2014-08-22 | The optional formula limiting mechanism of rotary table in angle range 0~± 360 ° |
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| CN107654547A (en) * | 2017-09-04 | 2018-02-02 | 北京无线电计量测试研究所 | A kind of mechanical position limitation mechanism and limit method for increasing movement travel |
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| CN108594863A (en) * | 2018-04-03 | 2018-09-28 | 北京航天控制仪器研究所 | A kind of position limiting structure and method of positive and negative 180 ° of turntables |
| CN109990024A (en) * | 2019-05-06 | 2019-07-09 | 内蒙古工业大学 | It is a kind of greater than positive and negative 180 ° of position-limit mechanism |
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| CN111427415A (en) * | 2020-03-17 | 2020-07-17 | 中国电子科技集团公司第二十九研究所 | Turntable electrical limiting mechanism with adjustable configurable limit rotation angle range |
| CN111692482A (en) * | 2020-06-19 | 2020-09-22 | 中国电子科技集团公司第二十九研究所 | Mechanical limiting mechanism of rotary table with limited rotation angle range reaching +/-360 degrees |
| CN111810586A (en) * | 2020-07-08 | 2020-10-23 | 中国电子科技集团公司第二十九研究所 | Mechanical buffering limit structure with limited rotation angle range larger than 360 degrees and rotary table |
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| CN107654547A (en) * | 2017-09-04 | 2018-02-02 | 北京无线电计量测试研究所 | A kind of mechanical position limitation mechanism and limit method for increasing movement travel |
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| CN109990024A (en) * | 2019-05-06 | 2019-07-09 | 内蒙古工业大学 | It is a kind of greater than positive and negative 180 ° of position-limit mechanism |
| CN109990024B (en) * | 2019-05-06 | 2020-07-10 | 内蒙古工业大学 | Limiting mechanism with angle larger than plus or minus 180 degrees |
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| CN111012275B (en) * | 2019-12-24 | 2021-05-11 | 珠海格力电器股份有限公司 | Dish washer divides liquid device and dish washer |
| CN111427415A (en) * | 2020-03-17 | 2020-07-17 | 中国电子科技集团公司第二十九研究所 | Turntable electrical limiting mechanism with adjustable configurable limit rotation angle range |
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| CN111810586A (en) * | 2020-07-08 | 2020-10-23 | 中国电子科技集团公司第二十九研究所 | Mechanical buffering limit structure with limited rotation angle range larger than 360 degrees and rotary table |
| CN111810586B (en) * | 2020-07-08 | 2021-09-28 | 中国电子科技集团公司第二十九研究所 | Mechanical buffering limit structure with limited rotation angle range larger than 360 degrees and rotary table |
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