CN106653424A - Limiting and separating device of operating mechanism for high-voltage electric switch - Google Patents
Limiting and separating device of operating mechanism for high-voltage electric switch Download PDFInfo
- Publication number
- CN106653424A CN106653424A CN201611066355.6A CN201611066355A CN106653424A CN 106653424 A CN106653424 A CN 106653424A CN 201611066355 A CN201611066355 A CN 201611066355A CN 106653424 A CN106653424 A CN 106653424A
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- Prior art keywords
- spacing
- reset
- locking arc
- cylinder
- groove
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
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- Mechanisms For Operating Contacts (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention discloses a limiting and separating device of an operating mechanism for a high-voltage electric switch. The device comprises two parts, namely a pair of meshed incomplete gear mechanisms and limiting and resetting devices of the mechanisms. Automatic limiting on a driven gear is achieved through locking arcs of the incomplete gear mechanisms, meanwhile, the limiting and resetting devices of the mechanisms play a role in achieving automatic locking after relieving limiting on work positions, and the function of switching a drive switch among three work positions can also be achieved by integrating the functions of the two parts. The limiting and separating device has the advantages that the structure is simple and limiting and separating of the switch at the work positions can be reliably achieved.
Description
Technical field
The invention belongs to high-voltage appliance switch operating mechanism technical field, more particularly to a kind of high-voltage appliance switch use
The spacing and separator of operating mechanism.
Background technology
With the continuous development of High-Voltage Electrical Appliances technology, original two independent disconnecting switch and earthed switch gradually by every
From/ground connection three-station composition element replacement.It would therefore be desirable to have the operating mechanism different from original switch element is realized to three
The control of position switch composition element, realizes the accurate limit in ad-hoc location and locking.
Application publication number is the patent of invention of 103165298A《A kind of Single-motor three-station mechanism for switch》Give one
Single motor three position mechanism principle of complete function is planted, by phase interworking of the spacing and separating mechanism to installation spacer pin on worm gear
The breaking-closing operating for realizing switch is closed, reliability is high.But the complex structure of the mechanism, particularly spacing and separating mechanism and limit
The relative motion parts such as position pin are more, cause manufacture, installation accuracy to require higher.Therefore existing operating mechanism has further improvement
Space.
The content of the invention
In order to overcome the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of high-voltage appliance switch actuating
The spacing and separator of mechanism, the device is combined using the latching characteristics that incomplete gear mechanism has when driving wheel rests
Corresponding spacing and transmission device, so as to finally realize locking and separation of the stacked switch element three operating positions.
To achieve these goals, the technical solution used in the present invention is：
A kind of spacing and separator of high-voltage appliance switch operating mechanism, including：
The incomplete gear mechanism being made up of driving gear 1 and driven gear 2；
By the spacing and 2-2-1 of reset cylinder one installed in the side of driven pulley 2, it is spacing with the 2-2-2 of reset cylinder two, it is spacing
With the 2-2-3 of reset cylinder three, deep-slotted chip breaker 2-5 and the spacing spacing and resetting means with the composition of reset handle 3；
Wherein, there is the 1-1 of Locking arc four on the driving gear 1, driven gear 2 is first-class to be arranged at intervals with the 2-1- of Locking arc one
1st, without the gear teeth between the 2-1-2 of Locking arc two and the 2-1-3 of Locking arc three, the 2-1-2 of Locking arc two and the 2-1-3 of Locking arc three；
The described spacing and 2-2-1 of reset cylinder one, the spacing and 2-2-2 of reset cylinder two and the spacing and 2-2- of reset cylinder three
3 is uniform vertically and corresponding with the 2-1-1 of Locking arc one, the 2-1-2 of Locking arc two and the 2-1-3 of Locking arc three positioned at same footpath respectively
To；The deep-slotted chip breaker 2-5 is located at same circumference and through each along spacing and reset cylinder, deep-slotted chip breaker with each spacing and reset cylinder
The initiating terminal of 2-5 at least sequentially pass through it is spacing with the 2-2-2 of reset cylinder two, it is spacing with the 2-2-1 of reset cylinder one and it is spacing with it is multiple
The 2-2-3 of circle of position post three；The described spacing and 2-2-1 of reset cylinder one, the spacing and 2-2-2 of reset cylinder two and spacing and reset cylinder
The center of three 2-2-3 has limit pin hole one 2-3-1, limit pin hole one 2-3-2 and spacer pin consistent with column length direction
The 2-3-3 of hole three, realizes locking in the spacing corresponding limit pin hole with the insertion of the end of reset handle 3.
The initial makeup location of the driving gear 1 and driven gear 2 meets the 1-1 of the Locking arc four and 2-1-1 of Locking arc one
Coordinate, now switch is in centre position.
Take turns between the 2-1-1 of the Locking arc one and 2-1-2 of Locking arc two on the number and driven gear 2 of the gear teeth of the driving gear 1
And the gear teeth number matches between the 2-1-1 of Locking arc one and the 2-1-3 of Locking arc three, realize that fixed drive ratio is driven.
The described spacing and 2-2-1 of reset cylinder one, the spacing and 2-2-2 of reset cylinder two and the spacing and 2-2- of reset cylinder three
3 upper surface has the 2-4-1 of reset draw-in groove one, the 2-4-2 of reset draw-in groove two and the 2-4-3 of reset draw-in groove three of certain depth.
The 2-4-1 of reset draw-in groove one is arranged in the spacing deep-slotted chip breaker 2-5 tops with the 2-2-1 of reset cylinder one, by one
Plane 2-4-1-1 and two perpendicular one 2-4-1-2 vertical with plane 2-4-1-1 and the 2-4-1-3 of perpendicular two are constituted,
Wherein, the 2-4-1-2 of the perpendicular one and 2-4-1-3 of perpendicular two intersects, and intersection forms an obtuse angle, the reset of card
The structure of the 2-4-2 of groove two and the 2-4-3 of reset draw-in groove three is identical with the 2-4-1 of reset draw-in groove one.
Spring 6 is provided with described spacing and reset handle 3 and monolateral reset catch 3-1, reset catch 3-1 pass through bullet
The elastic force of spring 6 realizes the reset on spacing and reset handle 3, and catch 3-1 realizes automatic spacing with the plane contact of reset draw-in groove
Unlocking function afterwards；After driven gear 2 starts to rotate, under the promotion of two perpendiculars of reset draw-in groove, reset catch 3-1
Spacing and reset handle 3 is driven to rotate up in the spacing deep-slotted chip breaker 2-5 fallen on driven gear 2 with reset handle 3, to prepare
The spacing of mechanism is realized when moving to the next position.
Compared with prior art, the invention has the beneficial effects as follows：Realized between operating mechanism using incomplete gear mechanism
Have a rest motion and in the lock function of ad-hoc location, it is simple structure, compact；Only need a spacing and reset handle and driven pulley pair
Answering the limit pin hole arranged on position to use cooperatively just can realize the bidirectionally limited of operating mechanism output shaft and separate；Can be
The single-turn or multi-turn for increasing gear drive after output shaft easily to realize mechanism is exported, and is conveniently met and different is installed and used need
Ask.
Description of the drawings
Fig. 1 is in the front view for switching intermediate position for the driving gear of apparatus of the present invention with driven gear.
Fig. 2 is in the axonometric drawing for switching intermediate position for the driving gear of apparatus of the present invention with driven gear.
Fig. 3 is in the front view for switching one end operating position for the driving gear of apparatus of the present invention with driven gear.
Fig. 4 is in the front view for switching other end operating position for the driving gear of apparatus of the present invention with driven gear.
Fig. 5 is the structure chart of the driven gear of apparatus of the present invention.
Fig. 6 is in the front view of spacing state for the spacing and reset handle and spacing and reset cylinder of apparatus of the present invention.
Spacing and reset handles and spacing with reset cylinder facing in spacing releasing state of the Fig. 7 for apparatus of the present invention
Figure.
Spacing and reset handles and spacing two operating positions with reset cylinder in switch of the Fig. 8 for apparatus of the present invention
Between state front view.
Fig. 9 is the axonometric drawing of a reset draw-in groove.
Figure 10 is the axonometric drawing of reset catch.
Specific embodiment
Describe embodiments of the present invention in detail with reference to the accompanying drawings and examples.
A kind of switch of present invention description with spacing and resetting means, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5.Main bag
Include driving gear 1, driven gear 2, spacing and reset handle 3, drive shaft 4, driven shaft 5 and spring 6.
Driving gear 1 is arranged in the drive shaft 4 of operating mechanism, and driving gear 1 realizes synchronous axial system with drive shaft 4.From
Moving gear 2 is arranged on the driven shaft 5 of operating mechanism, and driven gear 2 realizes synchronous axial system with driven shaft 5, and driven shaft 5 is used as drive
The drive shaft of dynamic switching device.Driving gear 1 constitutes incomplete gear mechanism with driven gear 2, when switch is in assigned work
During position, the spacing of switch operation mechanism is realized by the positioning action of two partial gear Locking arcs, unless driving gear 1
Rotate driven gear 2 and remain that position is constant；When switch needs to turn to subsequent work position, spacing and reset handle is operated
Hand 3 is released to the spacing of driven gear 2, and in driving gear 1 specified location is rotated by, so as to realize switching actuating machine
The separation of structure.
The initial makeup location of driving gear 1 and driven gear 2 need to meet the 1-1 of Locking arc four on driving gear 1 with
The 2-1-1 of Locking arc one in the middle of on driven gear 2 coordinates, and now switch is in centre position.
One section of 1-1 of Locking arc four is distributed with driving gear 1, remainder is the gear teeth.The number of the gear teeth with from passive tooth
Gear teeth number on wheel 2 between the 2-1-1 of the Locking arc one and 2-1-2 of the Locking arc two and 2-1-1 of Locking arc one and the 2-1-3 of Locking arc three
Matching, realizes that fixed drive ratio is driven.Without arranging wheel between the 2-1-2 of Locking arc two and the 2-1-3 of Locking arc three on driven gear 2
Tooth, therefore when driving gear 1 and driven gear 2 are engaged to extreme position at the 2-1-2 of the Locking arc two and 2-1-3 two of Locking arc three
When, it is impossible to continue, along when front direction is rotated, to rotate round about, thus physics is spacing realizes the guarantor to Switch main body
Shield.
Arrange on the side of driven gear limited location and the 2-2-1 of reset cylinder one, it is spacing with the 2-2-2 of reset cylinder two and
It is spacing with the 2-2-3 of reset cylinder three, it is each it is spacing be circumferentially evenly arranged with reset cylinder and with Locking arc position on driven gear 2
It is corresponding one by one；In the spacing and 2-2-1 of reset cylinder one, the spacing and 2-2-2 of reset cylinder two and the spacing and 2- of reset cylinder three
The center of 2-3 has the 2-3-1 of limit pin hole one, the 2-3-2 of limit pin hole two and the 2-3- of limit pin hole three along column length direction
3, in the spacing and 2-2-1 of reset cylinder one, the spacing and 2-2-2 of reset cylinder two and the spacing and 2-2-3 of reset cylinder three upper table
Face has the 2-4-1 of reset draw-in groove one, the 2-4-2 of reset draw-in groove two and the 2-4-3 of reset draw-in groove three of certain depth；It is spacing with it is multiple
Deep-slotted chip breaker 2-5 is additionally provided with circle of position post, each deep-slotted chip breaker 2-5 is located on same circumference.
As shown in figure 9, the 2-4-1 of reset draw-in groove one is by plane 2-4-1-1 and the perpendicular one vertical with the plane
The 2-4-1-2 and 2-4-1-3 of perpendicular two is constituted, and two perpendiculars intersect, and form an obtuse angle.The 2-4-2 of reset draw-in groove two
It is identical with the 2-4-1 of reset draw-in groove one with the structure of the 2-4-3 of reset draw-in groove three.As shown in Figure 10, arrange on spacing and reset handle 3
There are spring 6 and monolateral reset catch 3-1, when the lower surface of reset catch 3-1 contacts with plane 2-4-1-1, completely from spacing
Extract in the 2-3-1 of pin-and-hole one, realize spacing releasing.With the rotation of driven pulley 2, two perpendicular 2-4- of reset draw-in groove
There must be one will to contact with one of two sides of reset catch 3-1 on reset handle 3 in 1-2 and 2-4-1-3, and promote multiple
Position handle 3 is rotated, until reset catch 3-1 lower surfaces are kept completely separate with reset draw-in groove plane 2-4-1-1, now reset handle 3
Its end will contact with deep-slotted chip breaker 2-5 in the presence of spring 6.
In mechanism kinematic operating process, it is spacing with reset handle 3 in the presence of spring 6 all the time with driven gear 2 on
Deep-slotted chip breaker 2-5 be in close contact that (reset handle 3 was snapped into before this on the 2-4-1-1 of surface during beginning, started to be reset card after rotating
One of two sides of groove promote and rotate, and finally will fall into deep-slotted chip breaker 2-5, start this when to be connect with deep-slotted chip breaker 2-5
Touch).It is spacing that driven gear 2 is inserted in the presence of spring 6 with reset handle 3 end when mechanism kinematic is to specified location
In the limit pin hole of correspondence position, it is spacing with the Locking arc of incomplete gear mechanism together with realize the double limitation of mechanism.
Monolateral reset catch 3-1 is designed with spacing and reset handle 3, it is spacing to be equipped with and between reset handle 3 and frame
Spring 6, by the elastic force of spring 6 table of the reset catch 3-1 on the spacing and reset handle 3 and 2-4-1 of reset draw-in groove one is realized
The unlocking function after automatic spacing is realized in contact on the 2-4-1-1 of face.After driven gear 2 starts to rotate, due to spacing and reset
The transfixion of handle 3, therefore it has relative motion, the side of the reset draw-in groove 2-4-1 on driven gear 2 with driven gear 2
Under the promotion of face 2-4-1-2 and side 2-4-1-3, reset catch 3-1 drive it is spacing rotate up to reset handle 3 it is spacing with it is multiple
Position handle 3 is fallen into the deep-slotted chip breaker 2-5 on driven gear 2, and the spacing of mechanism is realized during with warm-up to the next position.
The course of work is described：
Lock-out state of the mechanism in intermediate position, as shown in Figure 6.Assume that driving gear 1 will be along rotating clockwise
Drive driven gear 2 to rotate counterclockwise subsequent work position, first pull out spacing with reset handle 3 so that spacing
Extract completely from the 2-3-1 of limit pin hole one with the end of reset handle 3, and rotate counterclockwise (this rotation be it is manual,
Purpose is to allow 3-1 to snap on the 2-4-1-1 of surface), now spring 6 is further compressed the elastic force of generation and causes reset catch 3-1
Lower surface be tightly attached on the surface 2-4-1-1 of the 2-4-1 of reset draw-in groove one, now the driving wheel 1 of mechanism can be according to pre-
Determine direction rotation, as shown in Figure 7.
As driven gear 2 starts along rotating clockwise, the side 2-4-1-3 of the 2-4-1 of reset draw-in groove one will with it is spacing with
On reset handle 3 reset catch 3-1 contact, and promote it is spacing rotate counterclockwise with reset handle 3, until reset catch 3-
1 no longer contacts with the surface 2-4-1-1 of the 2-4-1 of reset draw-in groove one, now under the elastic force effect of spring 6, spacing and reset handle
In the deep-slotted chip breaker 2-5 that hand 3 will be fallen on driven gear 2, its end contacts with the bottom land of deep-slotted chip breaker 2-5, and warm-up is to next
Mechanism is locked during position, as shown in Figure 8.
Driving gear 1 from Fig. 6 states rotate counterclockwise when, will drive driven gear 2 along the other end for rotating clockwise
Operating position, its whole operation and the process realized are similar along the process for rotating clockwise to driving gear 1.At mechanism
When the operating position at two ends, due to the physics position-limiting action existed between driving gear 1 and driven gear 2, can only be toward centre work
Make position motion, its motion process is also similar to above-mentioned process.Therefore description is not repeated.
Claims (6)
1. a kind of spacing and separator of high-voltage appliance switch operating mechanism, it is characterised in that include：
The incomplete gear mechanism being made up of driving gear (1) and driven gear (2)；
By the spacing and reset cylinder one (2-2-1) installed in driven pulley (2) side, spacing and reset cylinder two (2-2-2), limit
Position and reset cylinder three (2-2-3), deep-slotted chip breaker (2-5) and the spacing spacing and resetting means with reset handle (3) composition；
Wherein, there is Locking arc four (1-1) on the driving gear (1), driven gear (2) is first-class to be arranged at intervals with Locking arc one
(2-1-1), Locking arc two (2-1-2) and Locking arc three (2-1-3), do not have between Locking arc two (2-1-2) and Locking arc three (2-1-3)
There are the gear teeth；
Described spacing and reset cylinder one (2-2-1), spacing and reset cylinder two (2-2-2) and the spacing and (2- of reset cylinder three
2-3) uniform vertically and position corresponding with Locking arc one (2-1-1), Locking arc two (2-1-2) and Locking arc three (2-1-3) respectively
In same radial direction；The deep-slotted chip breaker (2-5) is located at same circumference and through each along spacing and reset with each spacing and reset cylinder
Cylinder, the initiating terminal of deep-slotted chip breaker (2-5) at least sequentially passes through spacing and reset cylinder two (2-2-2), spacing and reset cylinder one
(2-2-1) it is and spacing with reset cylinder three (2-2-3)；Described spacing and reset cylinder one (2-2-1), spacing and reset cylinder two
(2-2-2) and the spacing center with reset cylinder three (2-2-3) has the limit pin hole one (2-3- consistent with column length direction
1), limit pin hole one (2-3-2) and limit pin hole three (2-3-3), it is spacing with the corresponding spacer pin of reset handle (3) end insertion
Locking is realized in hole.
2. the spacing and separator of high-voltage appliance switch operating mechanism according to claim 1, it is characterised in that described
The initial makeup location of driving gear (1) and driven gear (2) meets Locking arc four (1-1) and coordinates with Locking arc one (2-1-1),
Now switch is in centre position.
3. the spacing and separator of high-voltage appliance switch operating mechanism according to claim 1, it is characterised in that described
On the number and driven gear (2) of driving gear (1) gear teeth take turns Locking arc one (2-1-1) and Locking arc two (2-1-2) between and
Gear teeth number matches between Locking arc one (2-1-1) and Locking arc three (2-1-3), realize that fixed drive ratio is driven.
4. the spacing and separator of high-voltage appliance switch operating mechanism according to claim 1, it is characterised in that described
It is spacing with reset cylinder one (2-2-1), it is spacing with reset cylinder two (2-2-2) and spacing upper with reset cylinder three (2-2-3)
Surface has reset draw-in groove one (2-4-1), reset draw-in groove two (2-4-2) and the reset draw-in groove three (2-4-3) of certain depth.
5. the spacing and separator of high-voltage appliance switch operating mechanism according to claim 4, it is characterised in that described
Reset draw-in groove one (2-4-1) is arranged in spacing deep-slotted chip breaker (2-5) top with reset cylinder one (2-2-1), by a plane (2-
4-1-1) and two perpendiculars one (2-4-1-2) and perpendicular two (2-4-1-3) group vertical with plane (2-4-1-1)
Into, wherein, perpendicular one (2-4-1-2) and perpendicular two (2-4-1-3) are intersecting, and intersection forms an obtuse angle, institute
The structure for stating reset draw-in groove two (2-4-2) and reset draw-in groove three (2-4-3) is identical with reset draw-in groove one (2-4-1).
6. the spacing and separator of high-voltage appliance switch operating mechanism according to claim 5, it is characterised in that described
Spring (6) and monolateral reset catch (3-1) are provided with spacing and reset handle (3), reset catch (3-1) passes through spring
(6) elastic force realizes the reset on spacing and reset handle (3), and catch (3-1) is realized automatic with the plane contact of reset draw-in groove
Unlocking function after spacing；After driven gear (2) starts to rotate, under the promotion of two perpendiculars of reset draw-in groove, reset
Catch (3-1) drives spacing and reset handle (3) to rotate up to the spacing arc fallen on driven gear (2) with reset handle (3)
In shape groove (2-5), the spacing of mechanism is realized during with warm-up to the next position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611066355.6A CN106653424B (en) | 2016-11-28 | 2016-11-28 | A kind of spacing and separator of high-voltage appliance switch operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611066355.6A CN106653424B (en) | 2016-11-28 | 2016-11-28 | A kind of spacing and separator of high-voltage appliance switch operating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106653424A true CN106653424A (en) | 2017-05-10 |
| CN106653424B CN106653424B (en) | 2018-05-11 |
Family
ID=58812919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611066355.6A Expired - Fee Related CN106653424B (en) | 2016-11-28 | 2016-11-28 | A kind of spacing and separator of high-voltage appliance switch operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106653424B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682591A (en) * | 2018-06-29 | 2018-10-19 | 西安西电高压开关操动机构有限责任公司 | A kind of interlocking machine automatization resetting apparatus of three position mechanism |
| CN111258204A (en) * | 2018-11-30 | 2020-06-09 | 天津海鸥表业集团有限公司 | Periodic intermittent reciprocating mechanism |
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| CN104036984A (en) * | 2014-07-04 | 2014-09-10 | 特变电工中发上海高压开关有限公司 | Braking device of electric operating mechanism |
| CN204130424U (en) * | 2014-08-29 | 2015-01-28 | 浙江道笃智能开关有限公司 | Operating grip locking-type three position mechanism |
| CN105448552A (en) * | 2015-12-18 | 2016-03-30 | 北京双杰电气股份有限公司 | Operation device of isolation switch |
| CN106057514A (en) * | 2016-07-25 | 2016-10-26 | 中能建江苏能源科技有限公司 | Manual three-station operation mechanism |
| CN206293305U (en) * | 2016-11-28 | 2017-06-30 | 西安建筑科技大学 | A kind of spacing and separator of high-voltage appliance switch operating mechanism |
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2016
- 2016-11-28 CN CN201611066355.6A patent/CN106653424B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104036984A (en) * | 2014-07-04 | 2014-09-10 | 特变电工中发上海高压开关有限公司 | Braking device of electric operating mechanism |
| CN204130424U (en) * | 2014-08-29 | 2015-01-28 | 浙江道笃智能开关有限公司 | Operating grip locking-type three position mechanism |
| CN105448552A (en) * | 2015-12-18 | 2016-03-30 | 北京双杰电气股份有限公司 | Operation device of isolation switch |
| CN106057514A (en) * | 2016-07-25 | 2016-10-26 | 中能建江苏能源科技有限公司 | Manual three-station operation mechanism |
| CN206293305U (en) * | 2016-11-28 | 2017-06-30 | 西安建筑科技大学 | A kind of spacing and separator of high-voltage appliance switch operating mechanism |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682591A (en) * | 2018-06-29 | 2018-10-19 | 西安西电高压开关操动机构有限责任公司 | A kind of interlocking machine automatization resetting apparatus of three position mechanism |
| CN108682591B (en) * | 2018-06-29 | 2019-07-05 | 西安西电高压开关操动机构有限责任公司 | A kind of interlocking machine automatization resetting apparatus of three position mechanism |
| CN111258204A (en) * | 2018-11-30 | 2020-06-09 | 天津海鸥表业集团有限公司 | Periodic intermittent reciprocating mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106653424B (en) | 2018-05-11 |
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