CN207338167U - The transmission mechanism of automatic change-over - Google Patents
The transmission mechanism of automatic change-over Download PDFInfo
- Publication number
- CN207338167U CN207338167U CN201721462765.2U CN201721462765U CN207338167U CN 207338167 U CN207338167 U CN 207338167U CN 201721462765 U CN201721462765 U CN 201721462765U CN 207338167 U CN207338167 U CN 207338167U
- Authority
- CN
- China
- Prior art keywords
- guide plate
- automatic change
- transmission mechanism
- over
- profile bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model discloses a kind of transmission mechanism of automatic change-over, it includes guide plate, connecting rod, stent；Two " Z " profile bar holes are provided with guide plate face, two " Z " profile bar holes are rack-mount into symmetrical mirror position, guide plate for the center line of guide plate；Connecting rod one end sets a small axis and a roller is housed, which is installed in " Z " the profile bar hole of guide plate, and the other end is installed on the square shaft of main power supply moving contact；Driving gear of auto transfer switch provided by the utility model is the state in conversion by the active and standby electrical contact of traditional automatic change-over, the action of division at the same time of i.e. active and standby electrical contact is changed into conjunction after active and standby electrical contact first divides and is acted, its transmission mechanism significantly improves power-off time of the active and standby electricity in transfer process.So as to also accordingly improve connection and the interrupting performance of automatic change-over.
Description
Technical field
It the utility model is related to a kind of electrical switchgear, more particularly to a kind of transmission mechanism of automatic change-over.
Background technology
People are normally carried out for the electricity consumption in guarantee life.Have a power failure caused by avoid the failure because of electric system.In stone
The Large Scale and Continuous such as oil, chemical industry, metallurgy, electric power, communication manufacturing enterprise is standby using double loop power supply fanout operation or a master one
Power supply mode.When being powered off with ensuring power failure all the way, another way power supply can come into operation at once.Therefore undertake
State two-way power supply be switched to because of failure normal power supply circuit work automatic change-over be particularly important.
At present, in the market sells king-sized two standard automatic change-overs.Because the reason for this body structure so that should
The moving contact that class product is responsible for connecting the moving contact of normal power source and responsible disjunction failure power supply is synchronously acted.This
During the action form of sample is when connecting and disjunction nominal load current.Cause middle power off time especially short.But also
It can maintain the normal operation of product.If however, when disjunction is with higher load current is connected, above-mentioned result is just not
In the presence of.And it can be burnt by the electric arc not extinguished completely.Thus be extremely difficult to as defined in standard automatic change-over connect with
The requirement of interrupting performance higher level.
The content of the invention
To solve the above-mentioned problems.The purpose of this utility model is that：A kind of transmission mechanism of automatic change-over is provided.
In order to achieve the above object.The utility model provides driving gear of auto transfer switch, includes guide plate, connecting rod, branch
Frame.Wherein：Guide plate is rack-mount, and can rapidly horizontally slip in the horizontal direction under the operation of operating mechanism；
Two " Z " profile bar holes on guide plate face are used for controls connecting rod rotation status and rotating starting and termination time.
Connecting rod one end is installed in described " Z " the type bar hole, and the other end is installed on the rotary square shaft of automatic change-over
On.The moving contact of automatic change-over main power supply is operated with the rotation status that is transmitted from two " Z " profile bar holes and time.
Stent is installed on the bottom plate of product operation mechanism.For supporting guide plate, and guide plate can be made in the horizontal direction very
Smoothly quick sliding.
The transmission mechanism of automatic change-over provided by the utility model is to connect the pull rod in existing automatic change-over
Lock mode of operation is changed into the stages operating mode that existing guide plate temporally distributes.Reach and the moving contact of original main power supply has existed
Action is changed into first dividing the action closed afterwards while in conversion.So as to improve the power-off time of contact in the transfer.Reach and carried
High automatic change-over connects the requirement with interrupting performance.
Brief description of the drawings
Fig. 1 is the transmission mechanism structure of prior art products；
Fig. 2 is the structural perspective of driving gear of auto transfer switch provided by the utility model；
Fig. 3 is the plan of driving gear of auto transfer switch guide plate provided by the utility model；
Fig. 4 is the stent stereogram of driving gear of auto transfer switch provided by the utility model；
Fig. 5 is the connecting rod stereogram of driving gear of auto transfer switch provided by the utility model；
Reference numeral is expressed as in figure：
The main electrical contact square shaft of 1- guide plates, 2- stents, 3- connecting rods, 4-, 5- for electrical contact square shaft, 6- operating shafts, 7- bottom plates,
11- " Z " profile bars hole Part I, 12- " Z " profile bars hole Part II, 13- " Z " profile bars hole Part III, 21- fulcrums, 22- are slided
Wheel, 31- rollers, 32- connecting plates, the small axis of 33-.
Embodiment
Driving gear of auto transfer switch provided by the utility model is carried out with specific embodiment below in conjunction with the accompanying drawings detailed
Describe in detail bright.
Referring to the drawings 1~attached drawing 5, driving gear of auto transfer switch provided by the utility model include guide plate 1, stent 2,
Connecting rod 3；Identical " Z " the profile bar hole of two form and dimensions, two " Z " profile bar holes are provided with the surface of its centering guide 1
It is made of for the center line of guide plate into symmetrical mirror position, each " Z " profile bar hole three parts.They are respectively：First
Divide 11, Part II 12, Part III 13.The bar hole that Part I 11 is horizontally oriented；Part II 12 is incline direction
Bar hole；The length for the three part bar holes in bar hole that Part III 13 is horizontally oriented once is lined up from small to large, i.e., second
Points 12 longer than Part I 11, and Part III 13 is longer than Part II 12, and the length of Part III 13 is greater than or equal to Part I
The sum of 11 length and 12 upright projection length of Part II.And the guide plate 1 is formed using one piece of metallic plate processing and manufacturing.Guide plate 1
On the pulley 22 of stent 2, pulley 22 is installed on fulcrum 21, and fulcrum 21 is installed on bottom plate 7, and guide plate 1 is in operating shaft 6
Operational torque effect under.Along the groove on four pulleys 22 can left and right rapidly slide.
The transmission mechanism of the utility model automatic change-over is provided with two connecting rods 3,32 one end of connecting plate of each connecting rod 3
Equipped with one small axis 33, roller 31 is housed on small axis 33, the other end of two connecting plates 32 is separately mounted to main 4 He of electrical contact square shaft
On standby electrical contact square shaft 5, the roller 31 of two connecting rods is separately mounted on 1 face of guide plate in two " Z " profile bar holes.It is left in guide plate 1
During right slip, roller 31 can do the movement of above-below direction along the side in " Z " profile bar hole.So as to which active and standby electricity can be driven by connecting plate 32
Contact square shaft 4 or 5 rotates.Also driven at the same time active and standby electrical contact point and close, realize the transmission mechanism of automatic change-over
Purpose.
The feature set according to the guide plate 1：" Z " profile bar hole i.e. on 1 surface of guide plate is divided into three parts, and described
Length relation between the direction of each part and each several part.It is the combined floodgate stage that Part I 11, which is determined,；Part II 12 is
The contact action stage；Part III 13 is the contact separating brake stage；Determine connecting rod 3 when guide plate 1 horizontally slips rotation status and
Rotating initial time and termination time.For example, guide plate 1 is when running from right to left, front half section, on main electrical contact square shaft 4
Connecting rod 3 roller 31 be along the Part I in " Z " profile bar hole bar hole 11 further along " Z " profile bar hole Part II 12
Make the slip of descending incline direction, this process is exactly that the roller 31 on connecting rod 3 slides into minimum point from peak, at this time 3 band of connecting rod
Move main 4 initial angle of electrical contact square shaft and go to maximum angle, i.e.,：Main electrical contact square shaft 4 rotates to open position from closing position.
The length and used time that guide plate 1 is walked in this section of stroke are less than or equal to whole strokes and the half of time.In addition, at this
In the stroke of front half section, the roller 31 on the connecting rod 3 of standby electrical contact square shaft 5 is made directly along the Part III 13 in " Z " profile bar hole
Line horizontal direction is slided, which does not occur the change of any angles and positions, remain static, at this time, standby electrical contact side
Axis 5 is still in open position.In the stroke of second half section, because the Part III 13 in " Z " profile bar hole is horizontal direction, main electricity touches
Roller 31 on head 4 connecting rod 3 of square shaft is slided along straight horizontal direction, which does not occur the change of any angles and positions
Change, remain static, at this time, main electrical contact square shaft 4 is still in open position.In addition, in the stroke of the second half section, standby electricity
Roller 31 on the connecting rod 3 of contact square shaft 5 is to make climbing incline direction along the Part II 12 in " Z " profile bar hole to slide, then
Make horizontal linear slip on Part I 11 again, the roller 31 on the connecting rod 3 slides into peak from minimum point, at first
Divide 11 remains stationary states, arrive this, the overall process that guide plate 1 is run from right to left terminates.Meanwhile standby electrical contact square shaft 5 is from separating brake
Position rotates to closing position.
From above-mentioned analysis it could be assumed that：During the first half of the operation to guide plate 1 from right to left, main electrical contact square shaft
4 from closing position to open position, and standby electrical contact square shaft 5 is in open position remains stationary state；Then during later half
For standby electrical contact square shaft 5 from open position to closing position, main electrical contact square shaft 4 is in open position remains stationary state.Realize
The stages operating mode that guide plate 1 temporally distributes, while play the main power supply contact of the prior art in the transfer
Action becomes first to divide into main electrical contact, the action closed after standby electrical contact.So as to improve the power-off time of contact in the transfer, reach
Improve automatic change-over and connect requirement with interrupting performance.
Claims (5)
1. a kind of transmission mechanism of automatic change-over, including guide plate（1）, stent（2）, connecting rod（3）The basic structure of composition, its
It is characterized in that：Guide plate（1）Identical " Z " the profile bar hole of two structures is provided with face, two " Z " profile bar holes are located at guide plate（1）In
The symmetric position of heart line and be interconnected.
2. the transmission mechanism of automatic change-over according to claim 1, it is characterised in that：" Z " the profile bar hole point
For three parts, Part I（11）, Part II（12）, Part III（13）.
3. the transmission mechanism of automatic change-over according to claim 2, it is characterised in that：" Z " the profile bar hole
Three parts, Part I（11）For horizontal direction bar hole, Part II（12）For incline direction bar hole, Part III（13）For
Horizontal direction bar hole.
4. the transmission mechanism of automatic change-over according to claim 2, it is characterised in that：" Z " the profile bar hole three
A partial-length is different, the Part II（12）Compare Part I（11）It is long, the Part III（13）Than described second
Point（12）It is long, and Part III（13）Length be greater than or equal to Part I（11）Length and Part II（12）Upright projection
The sum of length.
5. the transmission mechanism of automatic change-over according to claim 1, it is characterised in that：The guide plate（1）Be by
One piece of metallic plate is processed into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721462765.2U CN207338167U (en) | 2017-11-06 | 2017-11-06 | The transmission mechanism of automatic change-over |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721462765.2U CN207338167U (en) | 2017-11-06 | 2017-11-06 | The transmission mechanism of automatic change-over |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207338167U true CN207338167U (en) | 2018-05-08 |
Family
ID=62364316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721462765.2U Active CN207338167U (en) | 2017-11-06 | 2017-11-06 | The transmission mechanism of automatic change-over |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207338167U (en) |
-
2017
- 2017-11-06 CN CN201721462765.2U patent/CN207338167U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105336525B (en) | A kind of interlock for switchgear and the switch cubicle using the interlock | |
| CN206502368U (en) | A kind of switching mechanism | |
| CN112893750A (en) | Automatic forging forming machine for hardware blank processing | |
| CN104868372A (en) | Double door for switchgear | |
| CN207338167U (en) | The transmission mechanism of automatic change-over | |
| CN110342223A (en) | A kind of squirrel-cage plate turnover | |
| CN105091600A (en) | Novel lifting and sealing device for furnace door | |
| CN205753136U (en) | A kind of chassis interlocking gear and chopper | |
| CN204793660U (en) | A two opening door for cubical switchboard | |
| CN107963441A (en) | The automatic continuous cover replacing device of steel plate overlay film | |
| CN207934715U (en) | A kind of liquid cell overhead door of lathe | |
| CN216175942U (en) | Push-and-pull retooling machine | |
| CN102426944B (en) | Change-over switch electrical appliance | |
| CN103978592B (en) | A kind of sole making apparatus | |
| CN214421709U (en) | Distribution valve production equipment | |
| CN108607746A (en) | A kind of household items processing unit (plant) | |
| CN105781311B (en) | A kind of telecontrol equipment and electric equipment | |
| CN210029092U (en) | A plate turnover for environmental protection PVC panel processing | |
| CN108321051A (en) | A kind of more power supply automatic conversion operating mechanisms | |
| CN204604387U (en) | A kind of intelligent rice paper machining robot | |
| CN204725025U (en) | A kind of fixture bank switching system | |
| CN207673215U (en) | A kind of slide door structure of generation sequenator | |
| CN208045433U (en) | A kind of more power supply automatic conversion operating mechanisms | |
| CN101417737A (en) | Lateral bending chain and application thereof in dried noodle production line | |
| CN207831940U (en) | Electrical kiln self- lift |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |