CN105353774B - The optional formula limiting mechanism of rotary table in angle range 0~± 360 ° - Google Patents
The optional formula limiting mechanism of rotary table in angle range 0~± 360 ° Download PDFInfo
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- CN105353774B CN105353774B CN201410418548.8A CN201410418548A CN105353774B CN 105353774 B CN105353774 B CN 105353774B CN 201410418548 A CN201410418548 A CN 201410418548A CN 105353774 B CN105353774 B CN 105353774B
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Abstract
The invention belongs to turntable structure design field, is related to a kind of optional formula limiting mechanism of rotary table in angle range 0~± 360 °.The present invention proposes a kind of optional formula limiting mechanism of rotary table in angle range 0~± 360 °, the turntable or other slewings rotated suitable for requiring angle range in ± 360 °.The invention is made up of electric limiting mechanism and mechanical position limitation mechanism.Electric limiting mechanism is made up of two position limited inching switches.Mechanical position limitation is made up of bottom plate, bar resets, ring, small axle, steel ball, collision block etc..Bottom plate is arranged on the pedestal of stage body；Two position limited inching switches, bar resets, ring, small axle, steel ball, on bottom plate；Collision block is arranged on to be had on the rotary part rotated against with bottom plate.Ring is stirred to realize electric limiting and mechanical position limitation by collision block when turntable rotates.Position-limit mechanism of the present invention is simple and compact for structure, and production cost is low, can meet the spacing demand of turntable of angle range 0~± 360 °.
Description
Technical field
The invention belongs to turntable structure design field, is related to a kind of optional formula turntable limit in angle range 0~± 360 °
Position mechanism.
Background technology
Turntable includes pedestal, the rotary part and installing plate that are rotated relative to pedestal, and wherein rotary part is located on pedestal,
Installing plate is arranged on the top of rotary part, drives rotary part rotation to drive set load on installing plate by motor
Rotation.Some turntables need to realize multi-turn continuous rotary, and some turntables then need the rotation of limited angle range.For requiring
The turntable that finite angle scope rotates just needs to set position-limit mechanism.In conventional position-limit mechanism, typically turntable is rotated and reached
It is required that angle when, the collision block on rotary part collides microswitch and block on pedestal, so as to play position-limiting action.This
Certain angular region will be occupied respectively when microswitch and block being installed on pedestal in kind position-limit mechanism, and this traditional sets
Meter method when turntable space is limited, as the requirement of turntable angle range for ± 360 ° spacing when, be difficult to realize effective range
Position-limiting action.
The content of the invention
The present invention is directed in above-mentioned existing turntable structure designing technique deficiency existing for position-limit mechanism, proposes a kind of corner model
Enclose 0~± 360 ° of optional formula limiting mechanism of rotary table, the position-limit mechanism small volume and production cost is low, compact-sized, it can meet
The spacing needs of turntable of angle range 0~± 360 °.The present invention technical solution be：
Position-limit mechanism includes：Bottom plate, microswitch, bar resets, ring, small axle, steel ball, spring, collision block.The center P of ring
It is arranged on by small axle on bottom plate, the profile of wherein ring is circular arc, and P is center of arc, there are tri- shapes of A, O, B on ring
Identical lacks arc, the center A ' of tri- scarce arcs of A, O, B, O ', B ' ring radial direction, the center A ' of tri- scarce arcs of A, O, B,
O ', B ' to ring center P distance are equal, i.e. PA '=PO '=PB '；PA ' and PO ' angle theta1According to the spacing positive angle of turntable
Degree determination, PB ' and PO ' angle theta2Determined according to the spacing negative angle of turntable；Relative with tri- scarce arcs of A, O, B on ring
There are the scarce arc at γ angles, γ=γ in side1+γ2, γ1Determined according to the spacing negative angle of turntable, γ2According to the spacing positive-angle of turntable
It is determined that two sides at γ angles be C while and during D, C while and equal length during D, bar resets be arranged on ring γ angles on bottom plate and lack arc
Side, leave gap, bar resets center Q and ring center P between the cambered surface that the outward flange and γ angles of bar resets are formed on ring
And O lacks arc center O ' point-blank, bar resets diameter by C while or length during D determine that two microswitches are arranged on bottom
Ring γ angles lack the side of arc on plate, and two microswitches are respectively placed in the left and right sides of ring center line, and two fine motions are opened
The start of pass is facing to ring γ angles cambered surface；The start face of left side microswitch and ring center P vertical range H1=
arccos(γ1-θ2), the start face of left side microswitch and ring center P lateral separation L1=arcsin (γ1-θ2)；Right side
The start face of microswitch and ring center P vertical range H2=arccos (γ2-θ1), the start face of right side microswitch with
Ring center P lateral separation L2=arcsin (γ2-θ1)；Steel ball by screw and spring compression be arranged on ring and bottom plate it
Between, steel ball is arranged between the scarce arc bases of ring center P and O, and steel ball center lacks arc center O ' one with ring center P and O
On bar straight line, ball recess M, T, a N are respectively provided with the bottom plate of steel ball center left, center, right, the depth of ball recess is straight for steel ball
The 1/4 of footpath, left, center, right three ball recess M, T, N center are to ring center P distance and steel ball center to ring center P's
Apart from equal, on PO ', left side ball recess M center line and PO ' angle are θ at central spherical groove T center1/2；It is right
Side ball recess N center line and PO ' angle are θ2/2.Collision block is arranged on to be had on the rotary part rotated against with bottom plate,
Collision block profile lacks arc with A or O lacks arc or the scarce arc shapes of B are corresponding, and collision block center lacks arc center superposition with O, and bottom plate, which is arranged on, to be turned
On sewing platform base.
The spacing positive and negative angle symmetrical of turntable, ± α, 0<α<At 180 °, three collision blocks are installed, three are hit on rotary part
Block center to turntable center S distance is equal, and one of collision block center lacks arc center superposition with O, and two other collision block is symmetrical
Installed in the SO ' left and right sides, two collision block center lines and SO ' angle are all α.
The spacing positive and negative angle asymmetry of turntable ,+α1With-α2, 0<α1<180 °, and 0<α2<At 180 °, or+β1With-β2,
0<β1<360 °, and β2<360°-β1When, three collision blocks, the distance at three collision block centers to turntable center S are installed on rotary part
Equal, one of collision block center and O lack arc center superposition, and two other collision block is same installed in the SO ' left and right sides or SO's '
Side, the angle of one of collision block center line and SO ' is α1Or β1, the angle of another collision block center line and SO ' is α2Or
β2。
The spacing positive negative angle of the turntable is equal to 360 °, and collision block is arranged on rotary part, and collision block center lacks arc center with O
Overlap.
The spacing positive negative angle of the turntable is equal to 180 °, installs two collision blocks on rotary part, and two collision blocks are relative to turning
Platform center S is symmetrically installed, and one of collision block center lacks arc center superposition with O；The spacing positive and negative angle asymmetry of turntable ,+
β1With-β2, and β1+β2At=360 °, two collision blocks, the distance phase at two collision block centers to turntable center S are installed on rotary part
With O arc center superposition is lacked Deng, one of collision block center, the angle of another collision block center line and SO ' is β1。
The present invention has the advantage that and beneficial effect：1. the invention realizes electric limiting and mechanical position limitation by ring, dial
Ring, electric limiting and mechanical position limitation are all arranged on bottom plate, make the total of the position-limit mechanism become simple and compact, occupancy
Space is small, is particularly suitable for applying in the limited structure of structure space；2. the structure type of the invention can realize that turntable is a variety of
Angle range it is spacing, as long as and quantity and angle can by changing collision block adjust the angle range of turntable, can be with
The different angle ranges for making a turntable need multiple turntables to realize before replacing, this just can greatly reduce cost, save money
Source；3. the inventive structure form simple and compact, be not only convenient for installation and adjustment angle, at the same be easy to diversified forms turntable or other
Slewing uses；4. the invention can not only realize electric limiting, moreover it is possible to mechanical position limitation is realized, it is practical, and run turntable
Reliability enhancing, favorably improve the security performance of turntable.
Brief description of the drawings
Fig. 1 is the structure and working principle schematic diagram of the present invention.
Fig. 2 is the sectional view of the present invention.
Fig. 3 be the present invention it is spacing during structural representation；
Fig. 4 is the spacing structural representation to during required angle of the present invention.
Embodiment
The present invention is elaborated below in conjunction with the accompanying drawings.
As illustrated, the limiting mechanism of rotary table includes：Bottom plate 1 is arranged on the pedestal of turntable, and microswitch 2 passes through screw
3 are arranged on bottom plate 1, and bar resets 4 are arranged on bottom plate 1, and the center P of ring 5 is arranged on bottom plate 1 by small axle 7, wherein ring 5
Profile be circular arc, P is center of arc, has tri- shape identicals of A, O, B to lack arc on ring, in tri- scarce arcs of A, O, B
In the radial direction of ring, the center A ' of tri- scarce arcs of A, O, B, O ', B ' to ring center P distance are equal by heart A ', O ', B ',
That is PA '=PO '=PB '；PA ' and PO ' angle theta1Determined according to the spacing positive-angle of turntable, PB ' and PO ' angle theta2According to
The spacing negative angle of turntable determines；There are the scarce arc at γ angles, γ=γ on ring in the opposite side with tri- scarce arcs of A, O, B1+γ2,
γ1Determined according to the spacing negative angle of turntable, γ2Determine that two sides at γ angles are C sides and D according to the spacing positive-angle of turntable
Side, C while and equal length during D, bar resets 4 be arranged on the side that ring γ angles on bottom plate 1 lack arc, the outward flange of bar resets 4 with
Gap is left between the cambered surface that γ angles are formed on ring, bar resets center Q and ring center P and O lacks arc center O ' at one
On straight line, bar resets diameter by C while or length during D determine that two microswitches 2 are arranged on ring γ angles on bottom plate 1 and lack arc
Side, two microswitches 2 are respectively placed in the left and right sides of ring center line, and the starts of two microswitches is facing to ring
γ angles cambered surface；The start face of left side microswitch and ring center P vertical range H1=arccos (γ1-θ2), left side fine motion
The start face of switch and ring center P lateral separation L1=arcsin (γ1-θ2)；The start face of right side microswitch and ring
Center P vertical range H2=arccos (γ2-θ1), the start face of right side microswitch and ring center P lateral separation L2
=arcsin (γ2-θ1)；Steel ball 10 is compressed by screw 9 and spring 11 and is arranged between ring 5 and bottom plate 1, and steel ball is arranged on
Between ring center P and O lacks arc base, steel ball center lacks arc center O ' point-blank with ring center P and O, steel ball
Ball recess M, T, a N are respectively provided with the bottom plate of center left, center, right, the depth of ball recess is the 1/4 of steel ball size, left
The right side three ball recess M, T, N center to ring center P distance are equal with steel ball center to ring center P distance, in
Between ball recess T center on PO ', left side ball recess M center line and PO ' angle are θ1/2；Right side ball recess N
Center line and PO ' angle be θ2/2.Collision block 13 be arranged on have with bottom plate on the rotary part rotated against, collision block profile with
A lacks arc or O lacks arc or the scarce arc shapes of B are corresponding, and collision block center lacks arc center superposition with O, and bottom plate is arranged in rotary table base.
When turntable is spacing：
1. turntable realizes that angle range ± 360 ° are spacing.Having a collision block 13 to be arranged on has the rotation rotated against with bottom plate
On part, the center of collision block 13 lacks arc center superposition (as shown in FIG. 13) with O, and now steel ball is in T location.The rotating part of turntable
Collision block is driven to depart from from O positions when part turns clockwise, so as to drive ring to rotate counterclockwise, the steel ball on ring goes to N positions
When, ring is fixed.When the rotary part anglec of rotation of turntable is close to 360 °, collision block is close to ring and enters the dynamic ring of A bit strips
Rotate together, when the anglec of rotation is to 360 °, the D sides of ring are pressed onto microswitch, and microswitch is powered, and is transmitted to turret systems
Signal.If turntable rotary part continues to rotate, the D sides of ring will bump against bar resets to realize that mechanical position limitation acts on.The rotation of turntable
Collision block is driven to depart from from O positions during rotation member rotate counterclockwise, so as to drive ring to rotate clockwise, the steel ball on ring goes to M
During position, ring is fixed.When the rotary part anglec of rotation of turntable is close to -360 °, collision block moves close to ring and into B bit strips
Ring rotates together, and when the anglec of rotation is to -360 °, the C sides of ring are pressed onto microswitch, and microswitch is powered, and gives turntable system
System transmission signal.If turntable rotary part continues to rotate, the C sides of ring will bump against bar resets to realize that mechanical position limitation acts on.
2. turntable realizes that angle range ± 180 ° are spacing.Having two collision blocks to be arranged on has the rotating part rotated against with bottom plate
On part, two collision blocks are symmetrically installed relative to turntable center S, and one of center of collision block 13 lacks arc center superposition (in such as figure with O
Shown 13 and 15), now steel ball is in T location.Collision block 13 is driven to depart from from O positions when the rotary part of turntable turns clockwise,
So as to drive ring to rotate counterclockwise, when the steel ball on ring goes to N positions, ring is fixed.The rotary part rotation of turntable
When angle is close to 180 °, collision block 15 rotates together close to ring and into the dynamic ring of A bit strips, when the anglec of rotation is to 180 °, ring
D sides be pressed onto microswitch, microswitch is powered, and gives turret systems transmission signal.If turntable rotary part continues to rotate, dial
The D sides of ring will bump against bar resets to realize that mechanical position limitation acts on.Collision block 13 is driven during the rotary part rotate counterclockwise of turntable from O
Position departs from, and so as to drive ring to rotate clockwise, when the steel ball on ring goes to M positions, ring is fixed.The rotating part of turntable
When the part anglec of rotation is close to -180 °, collision block 15 rotates together close to ring and into the dynamic ring of B bit strips, and the anglec of rotation is to -180 °
When, the C sides of ring are pressed onto microswitch, and microswitch is powered, and gives turret systems transmission signal.If turntable rotary part continues
Rotation, the C sides of ring will bump against bar resets to realize that mechanical position limitation acts on.
3. turntable realizes the positive and negative angle symmetrical ± α (0 of angle range<α<180 °) it is spacing.There are three collision blocks to be arranged on and bottom
Plate has on the rotary part rotated against, and three collision block center to turntable center S distance is equal, one of center of collision block 13
Arc center superposition is lacked with O, two other collision block is symmetrically mounted on the SO ' left and right sides, the angle of two collision block center lines and SO '
To be all α (as shown in FIG. 13,14 and 16), now steel ball is in T location.Driven when the rotary part of turntable turns clockwise
Collision block 13 departs from from O positions, and so as to drive ring to rotate counterclockwise, when the steel ball on ring goes to N positions, ring is fixed.Turn
When the rotary part anglec of rotation of platform is close to+α, collision block 16 rotates together close to ring and into the dynamic ring of A bit strips, the anglec of rotation
During to+α, the D sides of ring are pressed onto microswitch, and microswitch is powered, and gives turret systems transmission signal.If turntable rotary part
Continue to rotate, the D sides of ring will bump against bar resets to realize that mechanical position limitation acts on.Band during the rotary part rotate counterclockwise of turntable
Dynamic collision block 13 departs from from O positions, and so as to drive ring to rotate clockwise, when the steel ball on ring goes to M positions, ring is fixed.
When the rotary part anglec of rotation of turntable is close to-α, collision block 14 rotates together close to ring and into the dynamic ring of B bit strips, rotates
When angle is to-α, the C sides of ring are pressed onto microswitch, and microswitch is powered, and gives turret systems transmission signal.If turntable rotates
Part continues to rotate, and the C sides of ring will bump against bar resets to realize that mechanical position limitation acts on.
4. turntable realizes that the positive and negative angle asymmetry of angle range is spacing ,+α1With-α2,(0<α1<180 °, and 0<α2<180 °),
Or+β1With-β2,(0<β1<360 °, and β2<360°-β1), having three collision blocks to be arranged on has the rotary part rotated against with bottom plate
On, three collision block center to turntable center S distance is equal, and one of center of collision block 13 and O lack arc center superposition, and in addition two
Individual collision block is installed in the SO ' left and right sides or SO ' the same side, and one of collision block center line and SO ' angle are α 1 or β 1,
The angle of another collision block center line and SO ' is α2Or β2(as shown in FIG. 13,16 and 17 or 13,14 and 17), now at steel ball
In T location.Collision block 13 is driven to depart from from O positions when the rotary part of turntable turns clockwise, so as to drive ring to rotate counterclockwise,
When steel ball on ring goes to N positions, ring is fixed.Close+the α of the rotary part anglec of rotation of turntable1Or+β1When, collision block 16
Close to ring and move ring into A bit strips to rotate together, the anglec of rotation to+α1Or+β1When, the D sides of ring are pressed onto microswitch,
Microswitch is powered, and gives turret systems transmission signal.If turntable rotary part continues to rotate, the D sides of ring will bump against
Axle with realize mechanical position limitation act on.Drive collision block 13 to depart from from O positions during the rotary part rotate counterclockwise of turntable, dialled so as to drive
Ring is rotated clockwise, and when the steel ball on ring goes to M positions, ring is fixed.When turntable the rotary part anglec of rotation close to-
α2Or-β2When, collision block 14 rotates together close to ring and into the dynamic ring of B bit strips, the anglec of rotation to-α2Or-β2When, the C of ring
While being pressed onto microswitch, microswitch is powered, and gives turret systems transmission signal.If turntable rotary part continues to rotate, ring
C sides will bump against bar resets with realize mechanical position limitation act on.
5. turntable realizes that the positive and negative angle asymmetry of angle range is spacing ,+β1With-β2, and β1+β2=360 °, on rotary part
Two collision blocks are installed, two collision block central points to turntable center S distance are equal, and one of center of collision block 13 is lacked in arc with O
The heart overlaps, and the angle of another center line of collision block 17 and SO ' is β1(as shown in FIG. 13 and 17), now steel ball is in T positions
Put.Collision block 13 is driven to depart from from O positions when the rotary part of turntable turns clockwise, so as to drive ring to rotate counterclockwise, ring
On steel ball when going to N positions, ring is fixed.Close+the β of the rotary part anglec of rotation of turntable1When, collision block 17 is close to ring
And enter the dynamic ring of A bit strips and rotate together, the anglec of rotation to+β1When, the D sides of ring are pressed onto microswitch, and microswitch is powered,
And give turret systems transmission signal.If turntable rotary part continues to rotate, the D sides of ring will bump against bar resets to realize mechanical limit
Position effect.Collision block 13 is driven to depart from from O positions during the rotary part rotate counterclockwise of turntable, so as to drive ring to rotate clockwise,
When steel ball on ring goes to M positions, ring is fixed.Close-the β of the rotary part anglec of rotation of turntable2When, collision block 17 is close
Ring simultaneously rotates, the anglec of rotation to-β together into the dynamic ring of B bit strips2When, the C sides of ring are pressed onto microswitch, microswitch
It is powered, and gives turret systems transmission signal.If turntable rotary part continues to rotate, the C sides of ring will bump against bar resets to realize
Mechanical position limitation acts on.
It is described above, only it is the embodiment of common angle of the present invention, not the present invention is imposed any restrictions, it is every according to this
Any simple modification, change and the equivalent structure transformation that inventive technique is substantially made to above example, still fall within this hair
In the protection domain of bright technical scheme.
Claims (5)
1. the optional formula limiting mechanism of rotary table in a kind of angle range 0~± 360 °, it is characterised in that position-limit mechanism includes：Bottom plate
(1), microswitch (2), bar resets (4), ring (5), small axle (7), steel ball (10), spring (11), collision block (13), ring (5)
Center P is arranged on bottom plate (1) by small axle (7), and the profile of wherein ring (5) is circular arc, and P is center of arc, on ring
There are tri- shape identicals of A, O, B to lack arc, the center A ' of tri- scarce arcs of A, O, B, O ', B ' are in the radial direction of ring, A, O, B tri-
The center A ' of individual scarce arc, O ', B ' to ring center P distance are equal, i.e. PA '=PO '=PB '；PA ' and PO ' angle theta1Root
Determined according to the spacing positive-angle of turntable, PB ' and PO ' angle theta2Determined according to the spacing negative angle of turntable；On ring with A,
O, there are the scarce arc at γ angles, γ=γ in the opposite side of tri- scarce arcs of B1+γ2, γ1Determined according to the spacing negative angle of turntable, γ2Root
Determined according to the spacing positive-angle of turntable, two sides at γ angles for C while and during D, C while and equal length during D, bar resets (4) installation
Ring γ angles lack the side of arc on bottom plate (1), are stayed between the cambered surface that the outward flange and γ angles of bar resets (4) are formed on ring
Have a gap, bar resets center Q and ring center P and O lacks arc center O ' point-blank, bar resets diameter by C while or length during D
Degree determines that two microswitches (2) are arranged on the side that ring γ angles on bottom plate (1) lack arc, and two microswitches (2) are respectively
It is placed in the left and right sides of ring center line, the starts of two microswitches is facing to ring γ angles cambered surface；Left side microswitch
Start face and ring center P vertical range H1=arccos (γ1-θ2), start face and the ring center P of left side microswitch
Lateral separation L1=arcsin (γ1-θ2)；The start face of right side microswitch and ring center P vertical range H2=
arccos(γ2-θ1), the start face of right side microswitch and ring center P lateral separation L2=arcsin (γ2-θ1)；Steel ball
(10) compressed and be arranged between ring (5) and bottom plate (1) by screw (9) and spring (11), steel ball be arranged on ring center P with
Between O lacks arc base, steel ball center lacks arc center O ' point-blank with ring center P and O, steel ball center left, center, right
Ball recess M, T, a N are respectively provided with bottom plate, the depth of ball recess is the 1/4 of steel ball size, the spherical female of left, center, right three
Groove M, T, N center to ring center P distance are equal with steel ball center to ring center P distance, central spherical groove T's
On PO ', left side ball recess M center line and PO ' angle are θ at center1/2；Right side ball recess N center line and PO '
Angle be θ2/ 2, collision block (13) is arranged on to be had on the rotary part rotated against with bottom plate, and collision block profile lacks arc with A or O is lacked
Arc or the scarce arc shapes of B are corresponding, and collision block center lacks arc center superposition with O, and bottom plate is arranged in rotary table base.
2. the optional formula limiting mechanism of rotary table in angle range 0~± 360 ° according to claim 1, it is characterised in that described turn
The spacing positive-angle of platform, the spacing negative angle of turntable are symmetrical, ± α, and 0<α<At 180 °, three collision blocks (13) of installation on rotary part, three
Individual collision block center is equal to turntable center S distance, and one of collision block (13) center lacks arc center superposition with O, two other
Collision block is symmetrically mounted on the SO ' left and right sides, and two collision block center lines and SO ' angle are all α.
3. the optional formula limiting mechanism of rotary table in angle range 0~± 360 ° according to claim 1, it is characterised in that described turn
The spacing negative angle of the spacing positive-angle of platform, turntable is asymmetric ,+α1With-α2, 0<α1<180 °, and 0<α2<At 180 °, or+β1With-β2, 0
<β1<360 °, and β2<360°-β1When, three collision blocks (13) are installed on rotary part, three collision block centers to turntable center S away from
From equal, one of collision block (13) center and O lack arc center superposition, two other collision block installed in the SO ' left and right sides or
SO ' the same side, the angle of one of collision block center line and SO ' is α1Or β1, the angle of another collision block center line and SO '
For α2Or β2。
4. the optional formula limiting mechanism of rotary table in angle range 0~± 360 ° according to claim 1, it is characterised in that described turn
The spacing positive-angle of platform, the spacing negative angle of turntable are equal to 360 °, and collision block (13) is arranged on rotary part, collision block (13) center and O
Lack arc center superposition.
5. the optional formula limiting mechanism of rotary table in angle range 0~± 360 ° according to claim 1, it is characterised in that described turn
The spacing positive-angle of platform, the spacing negative angle of turntable be equal to 180 °, on rotary part install two collision blocks (13), two collision blocks relative to
Turntable center S is symmetrically installed, and one of collision block (13) center lacks arc center superposition with O；The spacing positive-angle of the turntable, turntable
Spacing negative angle is asymmetric ,+β1With-β2, and β1+β2At=360 °, two collision blocks (13), two collision blocks are installed on rotary part
Center to turntable center S distance is equal, one of collision block (13) center and the scarce arc center superpositions of O, in another collision block
The angle of heart line and SO ' is β1。
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| Application Number | Priority Date | Filing Date | Title |
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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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| CN107363569B (en) * | 2017-06-21 | 2019-06-18 | 北京航天控制仪器研究所 | A kind of double-station position-limit mechanism |
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| CN108594863B (en) * | 2018-04-03 | 2021-06-11 | 北京航天控制仪器研究所 | Limiting structure and method for positive and negative 180-degree rotary table |
| 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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| CN111427415B (en) * | 2020-03-17 | 2021-10-15 | 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 |
| 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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| JPH10225890A (en) * | 1997-02-13 | 1998-08-25 | Shinko Electric Co Ltd | Stopper device for rotation shaft |
| CN201187997Y (en) * | 2008-04-14 | 2009-01-28 | 中国科学院长春光学精密机械与物理研究所 | Mechanism for spacing mechanical circumversion of turntable |
| CN101699221A (en) * | 2009-11-05 | 2010-04-28 | 中国科学院长春光学精密机械与物理研究所 | Limiting mechanism of rotary table capable of rotating within 360 DEG |
| CN102493985A (en) * | 2011-12-09 | 2012-06-13 | 中国科学院长春光学精密机械与物理研究所 | Rotary limiting mechanism for turntable |
| CN202394126U (en) * | 2011-12-20 | 2012-08-22 | 中国神华能源股份有限公司 | Controller for sampling machine rotary table |
| CN103043581B (en) * | 2012-12-21 | 2016-04-06 | 三一重工股份有限公司 | A kind of turntable inhibiting device, method and construction machinery and equipment |
| CN103042397B (en) * | 2012-12-27 | 2015-01-07 | 中国船舶重工集团公司第七二三研究所 | Electrical rotary table limiting mechanism with rotary angle range not exceeding 360 degrees |
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2014
- 2014-08-22 CN CN201410418548.8A patent/CN105353774B/en active Active
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