The bipolar vacuum circuit breaker of outdoor railway
Technical field
The present invention relates to high-tension switch gear technical fields, and in particular to a kind of bipolar vacuum circuit breaker of open air railway.
Background technique
Outdoor railway is mainly used in the traction for the electric railway that voltage class is 27.5kV with bipolar vacuum circuit breaker
The places such as electric substation, subregion pavilion, switching station are used as opening and closing load current, overload current and short circuit current.
In actual use, it is often desirable that two poles of the bipolar vacuum circuit breaker of outdoor railway can be realized simultaneously
Switch closing and switch opening, convenient for operation and control, for this purpose, as shown in Figure 1, Chinese patent literature CN201766039 discloses a kind of electricity
Gasify railway single-phase bipolar circuit breaker, comprising: fixed frame 13;Transmission case 8 on fixed frame 13, tool in transmission case 8 are set
There is jointed gear unit 9;Actuating case 12 on transmission case 8 is set, there is operating mechanism 11 in actuating case 12;Setting is being driven
Insulation column 3 on case 8;The pole 1 being connect by lower wire outlet seat 2 with insulation column 3.Wherein, it is provided on transmission case 8
Lower guide part 7 is provided with guide part 5 on lower wire outlet seat 2, and the pull rod 4 in pole 1 passes through upper guide part 5 and insulation branch
6 upper end of insulated pull rod connection in column 3,6 lower end of insulated pull rod passes through lower guide part 7 and connect with transmission mechanism 9.Transmission mechanism 9
By the second connecting lever component 16 connecting with insulated pull rod 6, first connect by first connecting rod 15 with the second connecting lever component 16 is turned
Arm component 14 forms, wherein the first connecting lever component 14 is connect by second connecting rod 10 with operating mechanism 11.
Electric railway single-phase bipolar circuit breaker in above patent document is driven in transmission by operating mechanism 11
The movement of first connecting lever component 14, and then drive first connecting rod 15 and second connecting rod 10 to move by the first connecting lever component 14, in turn
The movement of the second connecting lever component 16 is driven by the linkage of first connecting rod 15 and second connecting rod 10, and then passes through the second connecting lever component 16
Movement respectively drive both sides insulated pull rod movement.Although above-mentioned electric railway single-phase bipolar circuit breaker can be realized two
Switch closing and switch opening while pole, but when post debugging on sale dismounting, since the second connecting lever component 16 must be by first
Linkage between connecting rod and second connecting rod drives, thus if one of pole damages needs debugging dismounting, another
Pole is also required to carry out relevant debugging dismounting work and is repairing in this way so that two poles can be realized while switch closing and switch opening
When producer need that parameter is adjusted to the two poles of the earth simultaneously, repair in this way and inconvenient.
Summary of the invention
The present invention is intended to provide a kind of be easily installed and the bipolar vacuum circuit breaker of the outdoor railway of after-sales service.
To achieve the above object, the present invention provides a kind of bipolar vacuum circuit breakers of outdoor railway, comprising: sealing pole
Column, if there are two;Insulated pull rod, be equipped with two, be movably linearly arranged at corresponding pole respectively, and have with
The corresponding closing position of the "on" position of corresponding pole and the corresponding open position of gate-dividing state;Operating mechanism is used
Switch in driving insulated pull rod in closing position and open position, and there is the driving to be outputed power with linear-movable manner
Bar, and the linear movement direction of drive rod is parallel with the linear movement direction of insulated pull rod;Transmission mechanism, including two sets of transmission groups
Part, two sets of transmission components respectively drive the insulated pull rod linear movement connecting with transmission component under the linear drives of drive rod.
Further, transmission mechanism further includes transmission case, and transmission component includes lever connecting lever, and lever connecting lever is hinged on transmission
On case, and second end of the lever connecting lever with the first end hinged with drive rod and for driving insulated pull rod to move.
It further, further include the power transmission component being arranged between the second end and insulated pull rod of lever connecting lever, power passes
The driving of the second end of lever connecting lever is converted to the linear movement of driving insulated pull rod by dynamic component.
Further, power transmission component includes: transmission shaft, and first end and the second end of lever connecting lever are hinged;Transmission is turned
Arm is hinged on transmission case, and one end of transmission crank arm and the second end of transmission shaft are hinged, and the other end is hinged with insulated pull rod.
Further, transmission mechanism further include: the limit journey part between transmission crank arm and transmission case is set, to turn to transmission
The driving trip of arm is limited.
Further, limit journey part includes the excess of stroke spring being set in insulated pull rod, and one end and the transmission of excess of stroke spring are turned
Arm abuts against, and the other end and the transmission case of excess of stroke spring abut against.
Further, transmission mechanism further includes return unit, and the partial pressure of return unit is protected in insulated pull rod closing a floodgate
After holding force disappears, insulated pull rod is driven to reset to open position from closing position.
Further, return unit includes that one end is connect with transmission crank arm, the reset spring that the other end is connect with transmission case.
Further, the bipolar vacuum circuit breaker of outdoor railway further includes insulating sleeve, and insulating sleeve is set in insulation and draws
On the outside of bar.
Further, the bipolar vacuum circuit breaker of outdoor railway further includes manual switch, and manual switch and transmission crank arm join
Dynamic setting, and transmission crank arm can be driven to rotate together with manual switch.
Technical solution of the present invention has the advantages that
1. open air railway provided by the invention is in bipolar vacuum circuit breaker, the linear movement side of drive rod in operating mechanism
Parallel to the linear movement direction with insulated pull rod, transmission mechanism includes corresponding to two poles, two sets of transmission components of setting, and two
Transmission component is covered under the linear drives of drive rod, respectively drives the insulated pull rod linear movement connecting with transmission component, in this way
Railway is in bipolar vacuum circuit breaker use process outdoors, and the movement of two insulated pull rods is independent from each other, respectively by not
Same transmission component driving will not influence another pole because of the damage of one of pole, and in maintenance, producer is not needed in this way
Parameter is adjusted to the two poles of the earth simultaneously, is repaired so more convenient.
2. open air railway provided by the invention is included lever connecting lever in transmission component, is passed through in bipolar vacuum circuit breaker
Lever connecting lever and transmission case are hinged, and one end is hinged with drive rod, and one end is used to drive the second end of insulated pull rod, thus
The shunting for realizing drive rod output power, it is entire to pass while guaranteeing that two poles are mutual unaffected in installation and after sale
The structure of motivation structure is more simple.
3. open air railway provided by the invention passes through the second end and insulation in lever connecting lever in bipolar vacuum circuit breaker
Power transmission component is set between pull rod, the driving of the second end of lever connecting lever is converted to the linear movement of driving insulated pull rod,
So as to be adapted with the position of insulated pull rod and stroke, preferably realize insulated pull rod between closing position and open position
Switching.
4. open air railway provided by the invention is in bipolar vacuum circuit breaker, by setting between transmission crank arm and transmission case
Set limit journey part, can to avoid insulated pull rod, stroke is excessive during the motion, to pole generate damage, improve product
Reliability.
5. open air railway provided by the invention passes through setting and transmission crank arm linkage setting in bipolar vacuum circuit breaker
Manual switch, to may be used also in addition to the switching using operating mechanism driving insulated pull rod between closing position and open position
By by being to realize above-mentioned switching purpose in a manner of manually, more regulating measures improve the convenience degree of operation.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.In the accompanying drawings:
Fig. 1 is the structural scheme of mechanism of the bipolar vacuum circuit breaker of outdoor railway in the prior art;
Fig. 2 is the structural scheme of mechanism of the bipolar vacuum circuit breaker of outdoor railway in the embodiment of the present invention;
Fig. 3 is the enlarged structure schematic diagram in the portion A shown in Fig. 2;
Fig. 4 is the schematic perspective view of transmission mechanism in the embodiment of the present invention.
Wherein, the appended drawing reference in above-mentioned attached drawing are as follows:
10- insulated pull rod;20- operating mechanism;21- drive rod;30- transmission mechanism;31- transmission case;32- lever connecting lever;
33- transmission shaft;34- transmission crank arm;35- limits journey part;36- return unit;40- insulating sleeve;50- pole.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
As shown in Figures 2 to 4, the outdoor bipolar vacuum circuit breaker of railway according to an embodiment of the present invention includes: sealing pole
Column 50, if there are two;Insulated pull rod 10 is equipped with two, is movably linearly arranged at corresponding pole 50 respectively, and
With with the corresponding closing position of "on" position of corresponding pole 50 and the corresponding open position of gate-dividing state;Behaviour
Motivation structure 20 will be moved for driving insulated pull rod 10 in closing position and open position switching, and having with linear-movable manner
The drive rod 21 of power output, and the linear movement direction of drive rod 21 is parallel with the linear movement direction of insulated pull rod;Driver
Structure 30, including two sets of transmission components, two sets of transmission components respectively drive and connect with transmission component under the linear drives of drive rod 21
The insulated pull rod 10 connect moves linearly.To in outdoor railway provided by the invention in bipolar vacuum circuit breaker, operating mechanism
The linear movement direction of drive rod 21 is parallel with the linear movement direction of insulated pull rod 10 in 20, and transmission mechanism 30 includes corresponding two
Two sets of transmission components are arranged in pole 50, and two sets of transmission components respectively drive and transmission group under the linear drives of drive rod
The insulated pull rod 10 of part connection moves linearly, and for railway in bipolar vacuum circuit breaker use process, two thoroughly do away with edge outdoors in this way
The movement of pull rod 10 is independent from each other, and is driven respectively by different transmission components, will not be because of the damage shadow of one of pole
Another pole is rung, producer does not need that parameter is adjusted to the two poles of the earth simultaneously in maintenance in this way, repairs so more convenient.
With further reference to Fig. 4, the power transmission component in the embodiment of the present invention includes: transmission shaft 33, with lever connecting lever 32
Second end is hinged;Transmission crank arm 34 is hinged on transmission case 31, and one end of transmission crank arm 34 and transmission shaft 33 are hinged, another
End is hinged with insulated pull rod 10.In transmission, for closing a floodgate, transmission shaft 33 is oliquely downward transported under the action of lever connecting lever 32
It is dynamic, and then the transmission crank arm 34 being hinged on transmission case 31 is pushed to rotate, drive the insulated pull rod 10 of 34 other end of transmission crank arm
It moves upwards, to realize making process.
Preferably, the transmission mechanism 30 in the embodiment of the present invention further include: be arranged in transmission crank arm 34 and insulated pull rod 10
Between limit journey part 35, limited with the driving trip to transmission crank arm 34, can be to avoid insulated pull rod 10 in motion process
Middle formation is excessive, generates damage to pole 50, improves the reliability of product.Limit journey part 35 includes being set in insulated pull rod
Excess of stroke spring on 10, one end and the transmission crank arm 34 of excess of stroke spring abut against, the other end and 31 phase of transmission case of excess of stroke spring
It abuts, in making process, transmission crank arm 34 will push insulated pull rod 10 and move upwards, and can compress excess of stroke bullet in the process
Spring, until the elastic force of excess of stroke spring is equal with the driving force of transmission crank arm 34, at this moment insulated pull rod 10 is no longer moved, and is realized to exhausted
The restriction of 10 shift position of edge pull rod, and excess of stroke spring is used, have the advantages that material is easy to obtain in this way.
As shown in figure 4, the transmission mechanism 30 in the embodiment of the present invention further include: return unit 36, to drive insulated pull rod 10
It resets, specific return unit 36 includes that one end is connect with transmission crank arm 34, the reset spring that the other end is connect with transmission case 31.Pass through
Setting one end is connect with transmission crank arm 34, the reset spring that the other end is connect with transmission case 31, during combined floodgate, Ke Yila
Dynamic reset spring, during separating brake, after the power of actuator disappears, insulated pull rod 10 can reset bullet from closing position
Under the action of spring, driving transmission crank arm 34 is reset to open position up to insulated pull rod 10, realizes separating brake process automatically.When
So, during the opening process, compressed excess of stroke spring also has the active force for resetting insulated pull rod 10, and insulation can be pushed to draw
Bar 10 resets.
Preferably, the bipolar vacuum circuit breaker of the outdoor railway in the embodiment of the present invention further includes insulating sleeve 40, insulation
Sleeve 40 is set in 10 outside of insulated pull rod, to improve the insulation performance of insulated pull rod 10, has further ensured that outdoor railway is used
The safe and stable operation of bipolar vacuum circuit breaker.
Preferably, the bipolar vacuum circuit breaker of outdoor railway further includes manual switch, manual switch and transmission crank arm 34
Dynamic setting, and transmission crank arm 34 can be driven to rotate together with manual switch.By the way that the hand with the linkage setting of transmission crank arm 34 is arranged
Dynamic switch, thus in addition to driving switching of the insulated pull rod 10 between closing position and open position using operating mechanism 20, also
It can be to realize above-mentioned switching purpose by manually mode, more regulating measures improve the convenience degree of operation.
Below with reference to Fig. 2 to Fig. 4 to the switching mistake of the bipolar vacuum circuit breaker of outdoor railway in the embodiment of the present invention
Journey is described:
From gate-dividing state to "on" position, the switch knob in operating mechanism 20, the energy storage bullet in operating mechanism 20 are operated
Spring resets, while mechanism output axle installing plate is rotated up, and driver plate and drive rod 21 is driven to move upwards drive transmission device
30.Under the driving of drive rod 21, the first end of lever connecting lever 32, which moves upwards, drives lever connecting lever 32 to rotate, lever connecting lever 32
Rotation drive its second end to move downward, and then pull transmission shaft 33 move downward, with transmission shaft 33 cooperate transmission crank arm
34 can rotate, on the one hand transmission crank arm 34 will drive insulated pull rod 10 and move up realization insulated pull rod 10 while rotation
Switch from open position to closing position, the vacuum interrupter in integrated solid sealed pole 50 is moved upwards by insulated pull rod 10 and closed
It closes, completes making process.On the other hand meeting stretches reset spring, while compressing limit journey spring.
From "on" position to gate-dividing state, after operating mechanism 20 removes power, transmission crank arm 34 is in reset spring and limit
It is rotated under the action of the restoring force of journey spring, and then insulated pull rod 10 is driven to move downward, the vacuum in integrated solid sealed pole 50
Arc-chutes move downward separation by insulated pull rod 10, complete separating brake process.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.