CN209230848U - A kind of power circuit breaker spring pressure monitoring device - Google Patents
A kind of power circuit breaker spring pressure monitoring device Download PDFInfo
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- CN209230848U CN209230848U CN201822271088.7U CN201822271088U CN209230848U CN 209230848 U CN209230848 U CN 209230848U CN 201822271088 U CN201822271088 U CN 201822271088U CN 209230848 U CN209230848 U CN 209230848U
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- spring
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- pull rod
- tripping
- circuit breaker
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Abstract
The utility model discloses a kind of power circuit breaker spring pressure monitoring devices, the combined floodgate ratchet of switching-in spring and power circuit breaker is connected using switching-in spring pull rod, utilize the active force of switching-in spring pull rod transmission switching-in spring relative power breaker, by fixing switching-in spring load cell on switching-in spring pull rod, utilize the power closed on switching-in spring load cell acquisition switching-in spring pull rod, so as to obtain the amount of force of switching-in spring, similarly the amount of force of tripping spring is obtained using the tripping spring load cell being set on tripping spring pull rod, by conducting wire by switching-in spring load cell and tripping spring load cell data transfer to pressure monitor, the spring pressure value of switching-in spring and tripping spring is monitored in real time to realize, ensure the work on switching-in spring and tripping spring Breaker can be firmly set smoothly to be switched on or switched off circuit, present apparatus structure is simple, and measurement data is accurate.
Description
Technical field
The utility model belongs to electricity safety production field, in particular to a kind of power circuit breaker spring pressure monitoring dress
It sets.
Background technique
During power transmission, breaker is switched on or switched off circuit according to the control signal of host computer.Switching-in spring
It is two energy storage equipments with tripping spring, breaker is come by the energy for storing storage on two springs of switching-in spring and tripping spring
Realize being switched on or switched off to circuit, the size for the energy value for storing storage on two springs of switching-in spring and tripping spring determines
Can breaker smoothly be switched on or switched off circuit, and the energy for storing storage on spring under the action of natrual ageing can decay, and not have at present
There are the spring pressure monitoring technology and device for switching-in spring and tripping spring, because being easy to appear breaker cannot smoothly connect
On-off open circuit causes certain danger, it is therefore necessary to carry out to the spring pressure value of switching-in spring and tripping spring real
When monitoring.
Utility model content
The purpose of this utility model is to provide a kind of power circuit breaker spring pressure monitoring devices, to overcome the prior art
Deficiency.
In order to achieve the above objectives, the utility model adopts the following technical solution:
A kind of power circuit breaker spring pressure monitoring device, including the fixation breaker for power circuit breaker to be fixedly mounted
Bracket is fixed with switching-in spring guide cylinder and tripping spring guide cylinder on circuit breaker cradle, be equipped in switching-in spring guide cylinder with
The switching-in spring pull rod of the combined floodgate ratchet connection of power circuit breaker, switching-in spring pull rod outer sheath are equipped with switching-in spring；Combined floodgate bullet
Spring one end is fixed on switching-in spring pull rod, and the other end is contacted with switching-in spring guide cylinder inner wall, fixed on switching-in spring pull rod
There is switching-in spring load cell；The tripping spring connecting with the separating brake crank of power circuit breaker is equipped in tripping spring guide cylinder
Pull rod, tripping spring pull rod outer sheath are equipped with tripping spring, are fixed with tripping spring load cell on tripping spring pull rod；Point
Lock spring one end is fixed on tripping spring pull rod, and the other end is contacted with tripping spring guide cylinder inner wall；Switching-in spring dynamometry passes
Sensor and tripping spring load cell are connected with pressure monitor by conducting wire.
Further, the combined floodgate ratchet at left and right sides of power circuit breaker and separating brake crank are located at circuit breaker cradle two
Side, switching-in spring guide cylinder and tripping spring guide cylinder are fixed on circuit breaker cradle by spring base.
Further, switching-in spring seat is equipped in switching-in spring guide cylinder, switching-in spring one end and switching-in spring seated connection touch,
The switching-in spring other end is contacted with switching-in spring guide cylinder inner wall, and switching-in spring pull rod one end and combined floodgate ratchet are hinged, combined floodgate bullet
The spring pull rod other end is fixedly connected with switching-in spring seat.
Further, switching-in spring pull rod includes left switching-in spring pull rod and right switching-on spring pull rod, and left switching-in spring is drawn
Switching-in spring load cell, left switching-in spring pull rod one end and right switching-on spring are fixed between bar and right switching-on spring pull rod
Pull rod one end is connected through a screw thread with switching-in spring load cell both ends respectively；The left switching-in spring pull rod other end and combined floodgate spine
Wheel is hinged, and the right switching-on spring pull rod other end is fixedly connected with switching-in spring seat.
Further, the switching-in spring pull rod other end is equipped with external screw thread, and switching-in spring seat is equipped with through-hole, and switching-in spring is drawn
Switching-in spring seat is fixed on switching-in spring pull rod by nut and leads to the other end by bar, and spherical surface is equipped between nut and switching-in spring seat
Bearing.
Further, tripping spring guide cylinder one end is fixedly connected with spring base, and the other end is free end；Tripping spring is drawn
One end of bar is fixedly connected with tripping spring buffer shell, and the tripping spring pull rod other end is connected with tripping spring bracket, point
Lock spring bracket is hinged by separating brake pull rod and separating brake crank, and tripping spring one end connects with tripping spring buffer shell end face
Touching, the other end and tripping spring bracket end thereof contacts.
Further, separating brake pull rod includes left separating brake pull rod and right separating brake pull rod, and tripping spring load cell is fixed on
Between left separating brake pull rod and right separating brake pull rod.
Further, separating brake pull rod one end is hinged by separating brake straight pin and separating brake crank, and the separating brake pull rod other end passes through
Separating brake rotational pin and tripping spring bracket are hinged.
Compared with prior art, the utility model has technical effect beneficial below:
A kind of power circuit breaker spring pressure monitoring device of the utility model, using switching-in spring pull rod by switching-in spring with
The combined floodgate ratchet of power circuit breaker connects, and the active force of switching-in spring relative power breaker is transmitted using switching-in spring pull rod,
By fixing switching-in spring load cell on switching-in spring pull rod, combined floodgate bullet is obtained using switching-in spring load cell is closed
Power on spring pull rod similarly utilizes tripping spring pull rod and electric power open circuit so as to obtain the amount of force of switching-in spring
The separating brake crank of device connects, and tripping spring load cell is fixed on tripping spring pull rod, utilizes tripping spring force-measuring sensing
Device obtains the power on tripping spring pull rod, so as to obtain the amount of force of tripping spring, by conducting wire by switching-in spring
Load cell and tripping spring load cell data transfer to pressure monitor, so as to obtain switching-in spring and
Power on tripping spring monitors the spring pressure value of switching-in spring and tripping spring to realize in real time, it is ensured that closes
Active force on lock spring and tripping spring can make breaker smoothly be switched on or switched off circuit, and present apparatus structure is simple, measurement
Data are accurate.The present apparatus is utilized respectively switching-in spring pull rod and tripping spring pull rod as switching-in spring and tripping spring to electric power
The conduction of breaker power, can obtain switching-in spring using the force snesor being set on switching-in spring pull rod and tripping spring pull rod
Pull rod and tripping spring pull rod conductance size, to obtain the amount of force of switching-in spring and tripping spring.
Detailed description of the invention
Fig. 1 is tripping spring pressure monitoring mounting structure shaft side figure；
Fig. 2 is tripping spring pressure monitoring mounting structure main view；
Fig. 3 is switching-in spring pressure monitoring mounting structure shaft side figure；
Fig. 4 is switching-in spring pressure monitoring mounting structure main view；
Wherein, 1, circuit breaker cradle；2, spring base；3, switching-in spring guide cylinder；4, tripping spring buffer shell；5, it closes
Brake ratchet wheel；6, separating brake crank；7, switching-in spring seat；8, switching-in spring pull rod；9, switching-in spring；10, switching-in spring force-measuring sensing
Device；11, spherical bearing；12, tripping spring buffer shell；13, tripping spring bracket；14, separating brake pull rod；15, tripping spring
Load cell；17, separating brake straight pin；18, tripping spring；19, separating brake rotational pin；20, tripping spring pull rod.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Figures 1 to 4, a kind of power circuit breaker spring pressure monitoring device, including for installing power circuit breaker
Fixation circuit breaker cradle 1 and be fixed on the spring base 2 of 1 one end of circuit breaker cradle, 2 one end of spring base and circuit breaker cradle 1
It is fixedly connected, the combined floodgate ratchet 5 and separating brake crank 6 at left and right sides of power circuit breaker are located at 1 two sides of circuit breaker cradle, spring
2 other ends of seat are fixed with switching-in spring guide cylinder 3 and tripping spring buffer shell 4；
It is equipped with switching-in spring seat 7, switching-in spring pull rod 8 in switching-in spring guide cylinder 3 and is sheathed on switching-in spring pull rod 8
Switching-in spring 9,9 one end of switching-in spring contacts with switching-in spring seat 7, in 9 other end of switching-in spring and switching-in spring guide cylinder 3
Wall contact, 8 one end of switching-in spring pull rod and combined floodgate ratchet 5 are hinged, and 8 other end of switching-in spring pull rod and switching-in spring seat 7 are fixed
Connection；Switching-in spring pull rod 8 is fixed with switching-in spring load cell 10 on switching-in spring pull rod 8；
Tripping spring 18, tripping spring pull rod 20 and tripping spring bracket 13 are equipped in tripping spring guide cylinder 4；Separating brake bullet
4 one end of spring guide cylinder is connect with spring base 2, and the other end is free end；One end of tripping spring pull rod 20 is fixedly connected with separating brake
Spring buffer shell 12,20 other end of tripping spring pull rod are fixedly connected with 13 one end of tripping spring bracket, tripping spring folder
The other end of fork 13 is fixedly connected with separating brake pull rod 14, and tripping spring load cell 15, separating brake are fixed on separating brake pull rod 14
Pull rod 14 and separating brake crank 6 are hinged, and 18 one end of tripping spring is contacted with 12 end face of tripping spring buffer shell, the other end with divide
13 end thereof contacts of lock spring bracket；
Switching-in spring load cell 10 and tripping spring load cell 15 are connected with pressure monitor by conducting wire；
14 one end of separating brake pull rod is hinged by separating brake straight pin 17 and separating brake crank 6, and 14 other end of separating brake pull rod is by dividing
Lock rotational pin 19 and tripping spring bracket 13 are hinged；
Separating brake pull rod 14 includes that left separating brake pull rod and right separating brake pull rod, tripping spring load cell 15 are fixed on left separating brake
Between pull rod and right separating brake pull rod；
Switching-in spring pull rod 8 includes left switching-in spring pull rod and right switching-on spring pull rod, left switching-in spring pull rod and right conjunction
Switching-in spring load cell 10, left switching-in spring pull rod one end and right switching-on spring pull rod one are fixed between lock spring pull rod
End is connected through a screw thread with 10 both ends of switching-in spring load cell respectively；The left switching-in spring pull rod other end and combined floodgate ratchet 5
Hingedly, the right switching-on spring pull rod other end is fixedly connected with switching-in spring seat 7；
8 other end of switching-in spring pull rod is equipped with external screw thread, and switching-in spring seat 7 is equipped with through-hole, and switching-in spring pull rod 8 passes through
Switching-in spring seat 7 is fixed on switching-in spring pull rod 8 and leads to the other end by nut, and spherical axis is equipped between nut and switching-in spring seat 7
Hold 11.
The present apparatus using switching-in spring pull rod as switching-in spring to power circuit breaker power transmitting medium, tripping spring is surveyed
Force snesor seals between separating brake crank and tripping spring bracket, and power can be first transmitted to tripping spring in rotation and surveyed by separating brake crank
Force snesor, then it is transferred to tripping spring bracket via tripping spring load cell, it is finally transmitted on tripping spring, at this time
The force value measured on tripping spring load cell is exactly the pressure value on tripping spring；Structure is simple, and measurement result is accurate；
Similarly using tripping spring pull rod as tripping spring to power circuit breaker power transmitting medium, by switching-in spring dynamometry
Sensor seals in switching-in spring pull rod, and power first can be transferred to switching-in spring pull rod during rotation by ratchet, then via conjunction
Lock spring pull rod is transferred to switching-in spring load cell, is finally transmitted on switching-in spring, at this time switching-in spring force-measuring sensing
The force value measured on device is exactly the pressure value on switching-in spring.
Implementation method of the invention when described above, it is noted that for those skilled in the art, do not departing from this
Under the premise of inventive principle, the improvement that can be made also is considered as protection scope of the present invention.
Claims (8)
1. a kind of power circuit breaker spring pressure monitoring device, which is characterized in that including for power circuit breaker to be fixedly mounted
It fixes circuit breaker cradle (1), is fixed with switching-in spring guide cylinder (3) and tripping spring guide cylinder (4) on circuit breaker cradle (1),
The switching-in spring pull rod (8) connecting with the combined floodgate ratchet (5) of power circuit breaker, combined floodgate bullet are equipped in switching-in spring guide cylinder (3)
Spring pull rod (8) outer sheath is equipped with switching-in spring (9)；Switching-in spring (9) one end is fixed on switching-in spring pull rod (8), the other end
It is contacted with switching-in spring guide cylinder (3) inner wall, switching-in spring load cell (10) is fixed on switching-in spring pull rod (8)；Point
The tripping spring pull rod (20) connecting with the separating brake crank (6) of power circuit breaker, tripping spring are equipped in lock spring guide cylinder (4)
Pull rod (20) outer sheath is equipped with tripping spring (18), and tripping spring pull rod is fixed with tripping spring load cell on (20)
(15)；Tripping spring (18) one end is fixed on tripping spring pull rod (20), and the other end connects with tripping spring guide cylinder (4) inner wall
Touching；Switching-in spring load cell (10) and tripping spring load cell (15) are connected with pressure monitor by conducting wire.
2. a kind of power circuit breaker spring pressure monitoring device according to claim 1, which is characterized in that power circuit breaker
The combined floodgate ratchet (5) and separating brake crank (6) of the left and right sides are located at circuit breaker cradle (1) two sides, switching-in spring guide cylinder (3)
It is fixed on circuit breaker cradle (1) with tripping spring guide cylinder (4) by spring base (2).
3. a kind of power circuit breaker spring pressure monitoring device according to claim 2, which is characterized in that switching-in spring is led
Switching-in spring seat (7) are equipped with into cylinder (3), switching-in spring (9) one end is contacted with switching-in spring seat (7), and switching-in spring (9) is another
End is contacted with switching-in spring guide cylinder (3) inner wall, and hingedly, switching-in spring is drawn for switching-in spring pull rod (8) one end and combined floodgate ratchet (5)
Bar (8) other end is fixedly connected with switching-in spring seat (7).
4. a kind of power circuit breaker spring pressure monitoring device according to claim 3, which is characterized in that switching-in spring is drawn
Bar (8) includes left switching-in spring pull rod and right switching-on spring pull rod, is consolidated between left switching-in spring pull rod and right switching-on spring pull rod
Surely have switching-in spring load cell (10), left switching-in spring pull rod one end and right switching-on spring pull rod one end respectively with combined floodgate bullet
Spring load cell (10) both ends are connected through a screw thread；The left switching-in spring pull rod other end and combined floodgate ratchet (5) hingedly, right switching-on
The spring pull rod other end is fixedly connected with switching-in spring seat (7).
5. a kind of power circuit breaker spring pressure monitoring device according to claim 3, which is characterized in that switching-in spring is drawn
Bar (8) other end is equipped with external screw thread, and switching-in spring seat (7) is equipped with through-hole, and switching-in spring pull rod (8) passes through nut for the bullet that closes a floodgate
Spring abutment (7) is fixed on switching-in spring pull rod (8) and leads to the other end, is equipped with spherical bearing (11) between nut and switching-in spring seat (7).
6. a kind of power circuit breaker spring pressure monitoring device according to claim 2, which is characterized in that tripping spring is led
It is fixedly connected to cylinder (4) one end with spring base (2), the other end is free end；One end of tripping spring pull rod (20) is fixedly connected
There is tripping spring buffer shell (12), tripping spring pull rod (20) other end is connected with tripping spring bracket (13), separating brake bullet
Spring bracket (13) passes through separating brake pull rod (14) and separating brake crank (6) hingedly, tripping spring (18) one end and tripping spring buffer
The contact of shell (12) end face, the other end and tripping spring bracket (13) end thereof contacts.
7. a kind of power circuit breaker spring pressure monitoring device according to claim 6, which is characterized in that separating brake pull rod
It (14) include left separating brake pull rod and right separating brake pull rod, tripping spring load cell (15) is fixed on left separating brake pull rod and right separating brake
Between pull rod.
8. a kind of power circuit breaker spring pressure monitoring device according to claim 6, which is characterized in that separating brake pull rod
(14) one end passes through separating brake straight pin (17) and separating brake crank (6) hingedly, and separating brake pull rod (14) other end passes through separating brake rotational pin
(19) hinged with tripping spring bracket (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822271088.7U CN209230848U (en) | 2018-12-29 | 2018-12-29 | A kind of power circuit breaker spring pressure monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822271088.7U CN209230848U (en) | 2018-12-29 | 2018-12-29 | A kind of power circuit breaker spring pressure monitoring device |
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| Publication Number | Publication Date |
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| CN209230848U true CN209230848U (en) | 2019-08-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520660A (en) * | 2018-12-29 | 2019-03-26 | 中航电测仪器股份有限公司 | A kind of power circuit breaker spring pressure monitoring device and monitoring method |
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2018
- 2018-12-29 CN CN201822271088.7U patent/CN209230848U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520660A (en) * | 2018-12-29 | 2019-03-26 | 中航电测仪器股份有限公司 | A kind of power circuit breaker spring pressure monitoring device and monitoring method |
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