CN110246710B - Load switch capable of storing energy and rapidly separating brake - Google Patents
Load switch capable of storing energy and rapidly separating brake Download PDFInfo
- Publication number
- CN110246710B CN110246710B CN201910674301.5A CN201910674301A CN110246710B CN 110246710 B CN110246710 B CN 110246710B CN 201910674301 A CN201910674301 A CN 201910674301A CN 110246710 B CN110246710 B CN 110246710B
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- operation shaft
- lock
- shaft
- plate
- upper side
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- 238000004146 energy storage Methods 0.000 claims abstract description 25
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to a load switch capable of storing energy and rapidly switching off, which comprises an upper side plate and a first operation shaft, wherein the first operation shaft reciprocally rotates on a power-off switching-off station and a power-on switching-on station of the load switch; an energy storage mechanism is arranged between the first operation shaft and the upper side plate; when the first operation shaft is in power-on and power-off movement, the first operation shaft drives the energy storage mechanism to store energy; when the first operation shaft performs power-off brake-separating movement, the energy storage mechanism drives the first operation shaft to perform brake-separating rotation. When the first operation shaft performs power-off brake-off movement, the energy storage mechanism drives the first operation shaft to perform brake-off rotation, so that power-off brake-off operation is facilitated for operators.
Description
Technical Field
The invention relates to a load switch capable of storing energy and rapidly switching off.
Background
The load switch mechanism comprises an output shaft, a first operation shaft and a second operation shaft, wherein the load switch is provided with an electrifying switching-on station, a power-off switching-off station, a grounding switching-on station and a grounding switching-off station, the positions of the power-off switching-off station and the grounding switching-off station are overlapped at the positions, and the electrifying switching-on station and the grounding switching-on station are positioned at two sides; the output shaft reciprocates between the stations.
The first operation shaft is provided with two stations, namely an electrified switching-on station and a power-off switching-off station; the second operation shaft is provided with two stations, namely a grounding switch-on station and a grounding switch-off station; the first operation shaft and the second operation shaft are provided with spring assemblies for communication, and the output shaft is connected with the first operation shaft and the second operation shaft through connecting rod assemblies respectively.
In the past, after the first operation shaft enters the power-on and switching-off station, because the spring component is arranged between the first operation shaft and the second operation shaft, the first operation shaft needs to be manually pulled to rotate to the power-off and switching-off station, and the operation is very inconvenient.
Disclosure of Invention
The invention aims to solve the technical problems that: the utility model provides a but overcome prior art's not enough provides a load switch of quick brake-separating of energy storage, solves in the load switch in the past first operating axle need the manually operation when doing brake-separating motion problem.
The technical scheme adopted for solving the technical problems is as follows: the load switch capable of storing energy and rapidly switching off comprises an upper side plate and a first operation shaft, wherein the first operation shaft reciprocally rotates on a power-off switching-off station and a power-on switching-on station of the load switch;
an energy storage mechanism is arranged between the first operation shaft and the upper side plate;
when the first operation shaft is in power-on and power-off movement, the first operation shaft drives the energy storage mechanism to store energy; when the first operation shaft performs power-off brake-separating movement, the energy storage mechanism drives the first operation shaft to perform brake-separating rotation.
Further, the energy storage mechanism comprises a coil spring, a driving plate, a driving lever and a locking mechanism;
the coil spring is sleeved on the first operation shaft, one end of the coil spring is connected with the first operation shaft, and the other end of the coil spring is fixedly connected with the upper side plate;
the driving plate is fixedly connected with the first operation shaft and is suitable for synchronous movement with the first operation shaft, and a first contact part is formed on the driving plate;
the driving lever is sleeved on the first operation shaft and is suitable for relative movement with the first operation shaft, and a stop pin matched with the first contact part of the driving plate is fixedly arranged at the upper end of the driving lever;
the locking mechanism is arranged on the upper side plate;
when the first operation shaft performs power-on and switching-off movement, the driving lever drives the first contact part of the driving plate to perform switching-on and energy storage rotation through the stop pin, and the driving plate is limited to rotate through the locking mechanism after the first operation shaft reaches a power-on and switching-off station;
when the first operation shaft does power-off brake-separating movement, the locking mechanism releases the driving plate, and the first operation shaft does brake-separating rotation under the action of the reset elastic force of the coil spring.
Further, the locking mechanism comprises a lock rod and a lock shaft;
the lock rod is elastically rotated and arranged below the upper side plate, one end of the lock rod is provided with a hooking part matched with the first contact part of the driving plate, and the other end of the lock rod is provided with a blocking part matched with the lock shaft;
the lock shaft is rotationally connected with the upper side plate, and a locking part for controlling the lock rod retaining part to pass is formed at the lower end of the lock shaft;
when the first operation shaft is in a closing station, the lock rod hooking part hooks the first contact part of the driving plate, and the locking part at the lower end of the lock shaft limits the lock rod to rotate.
When the first operation shaft does power-off brake-separating movement, the locking part at the lower end of the lock rod releases the retaining part of the lock rod, so that the driving plate rotates with the first operation shaft under the action of the reset elastic force of the coil spring.
Further, a pressing rod is transversely arranged at the upper end of the lock shaft, and a roller is arranged on the pressing rod; the upper side plate is provided with a button capable of moving up and down, and a guide inclined plane matched with the roller is formed on the button;
the button moves downwards and is matched with the roller wheel through the guide inclined plane so as to enable the lock shaft to perform unlocking movement.
Further, a pull rod capable of transversely moving is arranged below the upper side plate, an unlocking plate is fixedly arranged on the lock shaft, and a drag hook matched with the unlocking plate is formed on one side of the pull rod.
Further, the mounting plate is fixedly arranged below the front side plate, the locking part at the lower end of the lock shaft extends out of the mounting plate, and a first spring is arranged between the mounting plate and the lock rod.
Further, the lower end of the upper side plate is provided with a mounting cylinder, and the coil spring is arranged in the mounting cylinder;
the driving plate is provided with a second contact part and a third contact part, and the mounting cylinder is provided with a limit column matched with the third contact part;
when the driving plate rotates to the brake separating station along with the first operation shaft, the second contact part of the locking rod is matched with the driving plate, and meanwhile, the third contact part of the driving plate is matched with the limit column.
The beneficial effects of the invention are as follows:
the load switch capable of storing energy for quick opening and closing can lean on the additionally arranged energy storage mechanism, and when the first operation shaft performs electrifying and closing movement, the first operation shaft drives the energy storage mechanism to store energy; when the first operation shaft performs power-off brake-off movement, the energy storage mechanism drives the first operation shaft to perform brake-off rotation, so that power-off brake-off operation is facilitated for operators.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a load switch mechanism of the present invention;
FIG. 2 is a schematic view of the load switch mechanism of the present invention (with the actuating lever removed);
FIG. 3 is a schematic view of a drive lever;
FIG. 4 is a schematic diagram of a drive plate;
FIG. 5 is a block diagram of the space between the lock lever, the drive plate and the mounting cylinder;
FIG. 6 is a block diagram of the space between the drive plate, lock lever and lock shaft;
wherein 1, upper side plate, 2, first operation shaft, 3, driving lever, 31, stop pin, 4, driving plate, 41, first contact portion, 42, second contact portion, 43, third contact portion, 5, coil spring, 51, mounting cylinder, 52, limit post, 6, locking lever, 61, hook holding part, 62, blocking holding part, 7, lock shaft, 71, locking part, 81, pull rod, 82, unlocking plate, 83, button, 84, mounting plate, 85, gyro wheel.
Detailed Description
The invention will now be further described with reference to the accompanying drawings. These drawings are simplified schematic views illustrating the basic structure of the present invention by way of illustration only, and thus show only the constitution related to the present invention.
As shown in fig. 1 to 6, a load switch capable of storing energy and rapidly opening and closing comprises an upper side plate 1, a first operation shaft 2, a second operation shaft and an output shaft, wherein the first operation shaft 2 reciprocally rotates on a power-off opening station and a power-on closing station of the load switch and is used for controlling the output shaft to carry out power-on opening and power-off opening; the second operation shaft reciprocally rotates at a grounding brake-separating station and a grounding brake-closing station of the load switch and is used for controlling the output shaft to conduct grounding brake-closing and grounding brake-separating.
An energy storage mechanism is arranged between the first operation shaft 2 and the upper side plate 1; when the first operation shaft 2 performs power-on and power-off movements, the first operation shaft 2 drives an energy storage mechanism to store energy; when the first operation shaft 2 performs power-off brake-off movement, the energy storage mechanism drives the first operation shaft 2 to perform brake-off rotation.
Specifically, the energy storage mechanism comprises a coil spring 5, a driving plate 4, a driving lever 3 and a locking mechanism;
the coil spring 5 is sleeved on the first operation shaft 2, one end of the coil spring 5 is connected with the first operation shaft 2, and the other end of the coil spring 5 is fixedly connected with the upper side plate 1; the driving plate 4 is fixedly connected with the first operation shaft 2 and is suitable for synchronous movement with the first operation shaft 2, and a first contact part 41 is formed on the driving plate 4;
the driving lever 3 is sleeved on the first operation shaft 2 and is suitable for relative movement with the first operation shaft 2, and a stop pin 31 which is used for being matched with the first contact part 41 of the driving plate 4 is fixedly arranged at the upper end of the driving lever 3;
the locking mechanism is arranged on the upper side plate 1; when the first operation shaft 2 performs the energizing and closing movement, the driving lever 3 drives the first contact part 41 of the driving plate 4 to perform the closing and energy storage rotation through the stop pin 31, and the driving plate 4 is limited to rotate through the locking mechanism after the first operation shaft 2 reaches the energizing and closing station; when the first operation shaft 2 performs power-off brake-off movement, the locking mechanism releases the driving plate 4, and the first operation shaft 2 performs brake-off rotation under the action of reset elastic force of the coil spring 5.
Specifically, the locking mechanism comprises a lock rod 6 and a lock shaft 7; the lock rod 6 is elastically and rotatably arranged below the upper side plate 1, one end of the lock rod 6 is provided with a hooking part 61 for matching with the first contact part 41 of the driving plate 4, and the other end of the lock rod 6 is provided with a blocking part 62 for matching with the lock shaft 7;
the lock shaft 7 is rotatably connected with the upper side plate 1, and a locking part 71 for controlling the passing of the blocking part 62 of the lock rod 6 is formed at the lower end of the lock shaft 7; the locking portion 71 includes a flat surface and an arc surface, and when the arc surface rotates to the retaining portion 62, the rotation of the lock lever 6 can be restricted, and when the flat surface rotates to the retaining portion 62, the retaining portion 62 of the lock lever 6 cannot be restricted, and at this time, the lock lever 6 can perform unlocking rotation.
When the first operation shaft 2 is at the closing position, the hooking portion 61 of the lock lever 6 hooks the first contact portion 41 of the driving plate 4, and the locking portion 71 at the lower end of the lock shaft 7 restricts the rotation of the lock lever 6. When the first operation shaft 2 performs the power-off brake-off movement, the locking part 71 at the lower end of the lock rod 6 releases the retaining part 62 of the lock rod 6, so that the driving plate 4 rotates with the first operation shaft 2 under the action of the reset elastic force of the coil spring 5.
Aiming at a plurality of modes of driving the lock shaft 7, firstly, the upper end of the lock shaft 7 is transversely provided with a pressing rod, and the pressing rod is provided with a roller 85; a button 83 capable of performing up-down elastic movement is arranged on the upper side plate 1, and a guide inclined plane for being matched with the roller 85 is formed on the button 83; the button 83 moves downward and cooperates with the roller 85 via a guide slope to unlock the lock shaft 7. Another, the pull rod 81 capable of transversely and elastically moving is arranged below the upper side plate 1, the lock shaft 7 is fixedly provided with an unlocking plate 82, and one side of the pull rod 81 is provided with a drag hook matched with the unlocking plate 82. When the pull rod 81 is pulled to transversely move, the drag hook drives the unlocking plate to rotate, and then drives the lock shaft 7 to rotate; alternatively, an electromagnet may be attached to the upper plate 1, and the rotation of the lock shaft 7 may be controlled by electricity.
Specifically, a mounting plate 84 is fixedly arranged below the front side plate, the locking part 71 at the lower end of the lock shaft 7 extends out of the mounting plate 84, and a first spring is arranged between the mounting plate 84 and the lock rod 6.
The lower end of the upper side plate 1 is provided with a mounting cylinder 51, and the coil spring 5 is arranged in the mounting cylinder 51; the driving plate 4 is provided with a second contact part 42 and a third contact part 43, and the mounting cylinder 51 is provided with a limit column 52 matched with the third contact part 43; when the driving plate 4 rotates to the brake separating station along with the first operation shaft 2, the second contact portion 42 of the locking rod 6 is matched with the driving plate 4, and meanwhile, the third contact portion 43 of the driving plate 4 is matched with the limit column 52. By virtue of the stopper post 52 and the second contact portion 42, inertial impact of the drive plate 4 at the time of opening rotation is prevented.
When the device works, the second operation shaft drives the driving lever 3 to rotate in a left closing way through the spring assembly, the stop pin 31 of the driving lever 3 drives the driving plate 4 and the first operation shaft 2 to rotate in a closing way together, the coil spring 5 contracts to store energy, after the first operation shaft 2 reaches a closing position, the energy storage is completed, at the moment, the second contact part 42 of the driving plate 4 is hooked by the hook part 61 of the lock rod 6, the stop part 62 of the lock rod 6 is blocked by the locking part 71 at the lower end of the lock shaft 7, and the rotation of the driving plate 4 is limited under the action of the lock rod 6; when the opening operation is required, the button 83 is pressed down or the pull rod 81 is pulled, so that the lock shaft 7 is driven to rotate, and the locking part 71 is driven to release the lock lever 6, at this time, the coil spring 5 is reset, the first operation shaft 2 and the driving plate 4 are driven to rotate in a reset (opening rotation), the second contact part 42 of the driving plate 4 contacts the hooking part 61 of the lock lever 6, and the third contact part 43 contacts the limit post 52, so that the rotation of the driving plate 4 is limited, and the first operation shaft 2 is stably stopped at the opening station.
According to the load switch, the energy storage mechanism is additionally arranged, so that the load switch is convenient to operate and conduct brake separating operation.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (3)
1. The load switch capable of storing energy and rapidly switching off is characterized by comprising an upper side plate and a first operation shaft, wherein the first operation shaft reciprocally rotates on a power-off switching-off station and a power-on switching-on station of the load switch;
an energy storage mechanism is arranged between the first operation shaft and the upper side plate;
when the first operation shaft is in power-on and power-off movement, the first operation shaft drives the energy storage mechanism to store energy; when the first operation shaft performs power-off brake-off movement, the energy storage mechanism drives the first operation shaft to perform brake-off rotation;
the energy storage mechanism comprises a coil spring, a driving plate, a driving lever and a locking mechanism;
the coil spring is sleeved on the first operation shaft, one end of the coil spring is connected with the first operation shaft, and the other end of the coil spring is fixedly connected with the upper side plate;
the driving plate is fixedly connected with the first operation shaft and is suitable for synchronous movement with the first operation shaft, and a first contact part is formed on the driving plate;
the driving lever is sleeved on the first operation shaft and is suitable for relative movement with the first operation shaft, and a stop pin matched with the first contact part of the driving plate is fixedly arranged at the upper end of the driving lever;
the locking mechanism is arranged on the upper side plate;
when the first operation shaft performs power-on and switching-off movement, the driving lever drives the first contact part of the driving plate to perform switching-on and energy storage rotation through the stop pin, and the driving plate is limited to rotate through the locking mechanism after the first operation shaft reaches a power-on and switching-off station;
when the first operation shaft does power-off brake-separating movement, the locking mechanism releases the driving plate, and the first operation shaft does brake-separating rotation under the action of the reset elastic force of the coil spring;
the locking mechanism comprises a lock rod and a lock shaft;
the lock rod is elastically rotated and arranged below the upper side plate, one end of the lock rod is provided with a hooking part matched with the first contact part of the driving plate, and the other end of the lock rod is provided with a blocking part matched with the lock shaft;
the lock shaft is rotationally connected with the upper side plate, and a locking part for controlling the lock rod retaining part to pass is formed at the lower end of the lock shaft;
when the first operation shaft is in a closing station, the lock rod hooking part hooks the first contact part of the driving plate, and the locking part at the lower end of the lock shaft limits the lock rod to rotate;
when the first operation shaft performs power-off brake-off movement, the locking part at the lower end of the lock rod releases the retaining part of the lock rod, so that the driving plate rotates with the first operation shaft under the action of the reset elastic force of the coil spring;
a mounting plate is fixedly arranged below the upper side plate, a locking part at the lower end of the lock shaft extends out of the mounting plate, and a first spring is arranged between the mounting plate and the lock rod;
the lower end of the upper side plate is provided with an installation cylinder, and the coil spring is arranged in the installation cylinder;
the driving plate is provided with a second contact part and a third contact part, and the mounting cylinder is provided with a limit column matched with the third contact part;
when the driving plate rotates to the brake separating station along with the first operation shaft, the second contact part of the locking rod is matched with the driving plate, and meanwhile, the third contact part of the driving plate is matched with the limit column.
2. The load switch capable of storing energy and rapidly separating brake according to claim 1, wherein a pressing rod is transversely arranged at the upper end of the lock shaft, and a roller is arranged on the pressing rod; the upper side plate is provided with a button capable of moving up and down, and a guide inclined plane matched with the roller is formed on the button;
the button moves downwards and is matched with the roller wheel through the guide inclined plane so as to enable the lock shaft to perform unlocking movement.
3. The load switch capable of storing energy and rapidly separating brake according to claim 1, wherein a pull rod capable of transversely moving is arranged below the upper side plate, an unlocking plate is fixedly arranged on the lock shaft, and a drag hook matched with the unlocking plate is formed on one side of the pull rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910674301.5A CN110246710B (en) | 2019-07-25 | 2019-07-25 | Load switch capable of storing energy and rapidly separating brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910674301.5A CN110246710B (en) | 2019-07-25 | 2019-07-25 | Load switch capable of storing energy and rapidly separating brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110246710A CN110246710A (en) | 2019-09-17 |
| CN110246710B true CN110246710B (en) | 2024-03-26 |
Family
ID=67893416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910674301.5A Active CN110246710B (en) | 2019-07-25 | 2019-07-25 | Load switch capable of storing energy and rapidly separating brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110246710B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077838A (en) * | 2012-12-31 | 2013-05-01 | 北京双杰电气股份有限公司 | Spring operating and driving integrated mechanism |
| CN105428137A (en) * | 2015-12-23 | 2016-03-23 | 浙江博为电气有限公司 | Three-station load switch operating mechanism for gas insulated metal-enclosed switchgear |
| CN209947680U (en) * | 2019-07-25 | 2020-01-14 | 江苏洛凯电气有限公司 | Load switch capable of storing energy and quickly opening brake |
-
2019
- 2019-07-25 CN CN201910674301.5A patent/CN110246710B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077838A (en) * | 2012-12-31 | 2013-05-01 | 北京双杰电气股份有限公司 | Spring operating and driving integrated mechanism |
| CN105428137A (en) * | 2015-12-23 | 2016-03-23 | 浙江博为电气有限公司 | Three-station load switch operating mechanism for gas insulated metal-enclosed switchgear |
| CN209947680U (en) * | 2019-07-25 | 2020-01-14 | 江苏洛凯电气有限公司 | Load switch capable of storing energy and quickly opening brake |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110246710A (en) | 2019-09-17 |
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