CN201188394Y - Switching-in operation mechanism for indoor high voltage AC vacuum circuit-breaker - Google Patents
Switching-in operation mechanism for indoor high voltage AC vacuum circuit-breaker Download PDFInfo
- Publication number
- CN201188394Y CN201188394Y CNU200820047686XU CN200820047686U CN201188394Y CN 201188394 Y CN201188394 Y CN 201188394Y CN U200820047686X U CNU200820047686X U CN U200820047686XU CN 200820047686 U CN200820047686 U CN 200820047686U CN 201188394 Y CN201188394 Y CN 201188394Y
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- energy storage
- ratchet
- output
- combined floodgate
- linkage
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a closing operating mechanism of an indoor high-tension AC (Alternating Current) vacuum breaker, which comprises an energy storage operating assembly and a closing locking component which are arranged on a machine frame, wherein, the output end of the energy storage operating assembly is an output rotating shaft; a storage oscillating arm is arranged on the output rotating shaft and is connected with the energy storage spring of the breaker; the energy storage operating assembly is in transmission with a pawl and a ratchet wheel through a gear wheel train; the output wheel of the gear wheel train is movably sleeved on the output rotating shaft; the ratchet wheel is fixed on the output rotating shaft; the pawl is fixed on the output wheel of the gear wheel train and is matched with the ratchet wheel on which a pressing wheel capable of jacking and pressing the closing locking component is arranged; a linkage mechanism capable of driving an opening/closing spindle to rotate is arranged on the machine frame; a cam capable of poking and enabling the linkage mechanism to move is arranged on the output rotating shaft. The utility model is beneficial to the improvement of the rigidity of the linkage mechanism, the decrease of the weight of a pull rod and the reduction of the manufacture cost of products; moreover, the operation is rapid and flexible, the reliability of the products can be improved, and the service life can be prolonged.
Description
Technical field
The utility model relates to a kind of combined floodgate operating mechanism of vacuum circuit-breaker, is a kind of indoor HVAC vacuum circuit breaker combined floodgate operating mechanism specifically.
Background technology
At present, the known indoor HVAC vacuum circuit breaker combined floodgate operating mechanism that is used in this field all is the traditional product of continuing to use for many years mostly, this conventional art is common to be cam follower mechanism, it is the outside that cam is located at four-bar mechanism, the elastic potential energy that energy-stored spring discharges makes the cam rotation, the cam rotation directly drives four-bar mechanism motion, the effect of the connecting rod bearing thrust in the four-bar mechanism.As Chinese invention patent application 200310105361.4 disclosed a kind of novel breaker operating mechanisms, this technical scheme in fact also is to adopt above-mentioned cam follower mechanism, and this cam follower mechanism is in order to increase factor such as rod member rigidity, must the overstriking rod member, and then increase its total quality.Yet, the push rod that quality is bigger will make its inertia increase, influence the kinematic dexterity of push rod, the closing speed of circuit breaker slows down, thereby influence the reliability of breaker closing, and, the push rod of big quality, large volume, will increase mechanical shock during its motion, the useful life that can reduce circuit breaker to a great extent to circuit breaker.Moreover the volume of push rod also so has obviously increased, and has improved the manufacturing cost of product.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of good rigidly, in light weight, flexible movements are rapid, reliability is high indoor HVAC vacuum circuit breaker combined floodgate operating mechanism are provided.
Goal of the invention of the present utility model is achieved in that a kind of indoor HVAC vacuum circuit breaker combined floodgate operating mechanism, comprise energy storage actuating assembly and the switch-on latching assembly be located on the frame, the output of energy storage actuating assembly is an output revolving shaft, the energy storage connecting lever is installed on the output revolving shaft, the energy storage connecting lever is connected with the energy-stored spring of circuit breaker, energy-stored spring can rotate on output revolving shaft with the energy storage connecting lever and be elongated, and finishes energy storage; Energy storage actuating assembly is by gear train and ratchet, ratchet transmission, the output wheel movable set of gear train is on output revolving shaft, ratchet is fixed on the output revolving shaft, ratchet is fixed on the output wheel of gear train and with ratchet and matches, but ratchet is provided with the pinch roller of roof pressure switch-on latching assembly, it is characterized in that: be equipped with on the described frame and can drive the linkage that the on/off switch main shaft rotates, output revolving shaft is provided with the cam that can dial linkage and make connecting rod mechanism movement.
Described linkage is a quadric chain, and it comprises the hinged in turn first fulcrum connecting rod, combined floodgate arm-tie and the connecting lever that is connected with the on/off switch main shaft, and the head end of the first fulcrum connecting rod is fixed on the frame, and its fixing point is as first fulcrum of linkage; Connecting lever is fixed on the on/off switch main shaft, and this fixing point is as second fulcrum of linkage, and the contact point that cam is dialed linkage is the tie point of the first fulcrum connecting rod and combined floodgate arm-tie.
The center fixation of described connecting lever is on the on/off switch main shaft.
The tie point of described first fulcrum connecting rod and combined floodgate arm-tie is provided with roller.
The utility model improves the indoor HVAC vacuum circuit breaker combined floodgate operating mechanism of prior art, with the cam of being located at energy storage actuating assembly output revolving shaft and the combined floodgate operating mechanism of being located at the linkage formation cam linkages on the frame, finish driving to the on/off switch main shaft, Tiebar structure is bigger than the rigidity of pusher structure, and satisfying under the situation of structural rigidity, alleviate weight with respect to push rod during manufacturing, reduced the manufacturing cost of product relatively.Meanwhile, the cam linkages structure of this structure, its actuating is flexible rapidly, can drive the on/off switch main shaft at short notice and finish feed motion, improves the reliability of closing a floodgate, and then improves the reliability of circuit breaker, prolongs the useful life of product.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model most preferred embodiment.
Accompanying drawing 2 is the part gear train of energy storage actuating assembly of the utility model most preferred embodiment and the structural representation of ratchet, ratchet and switch-on latching assembly.
Accompanying drawing 3 is another structural representation of gear train and energy-stored spring, energy storage connecting lever partly of the energy storage actuating assembly of the utility model most preferred embodiment.
Embodiment
The utility model will be further described below in conjunction with accompanying drawing.
According to Fig. 1, Fig. 2 and shown in Figure 3, indoor HVAC vacuum circuit breaker combined floodgate operating mechanism of the present utility model, it comprises the energy storage actuating assembly of being located on the frame 12 and switch-on latching assembly 3, the output of energy storage actuating assembly 2 is an output revolving shaft 21, energy storage connecting lever 22 is installed on the output revolving shaft 21, energy-stored spring 23 movable ends of circuit breaker are connected on the energy storage connecting lever 22, and energy-stored spring 23 can rotate on output revolving shaft 21 with energy storage connecting lever 22 and be elongated, and finishes energy storage.During this time, the top of energy storage actuating assembly 2 is by making the energy storage motor energising or manually shaking the power output of carrying out energy storage; Its power output is by gear train 24 and ratchet 25, ratchet 26 transmissions, the output wheel movable set of gear train 24 is on output revolving shaft 21, that is to say that output wheel is not fixedly connected on the output revolving shaft 21, output wheel can be along rotating counterclockwise on output revolving shaft 21; Ratchet 26 is fixed on the output revolving shaft 21 with the key type of attachment, and ratchet 25 is fixed on the output wheel of gear train 24 and with ratchet 26 and matches, but ratchet 26 is provided with the pinch roller 241 of roof pressure switch-on latching assembly 3.Be equipped with on the described frame 1 of the present utility model and can drive the linkage that the on/off switch main shaft rotates, the output revolving shaft 21 of energy storage actuating assembly 2 is provided with the cam 5 that can dial linkage and make connecting rod mechanism movement, cam 5, ratchet 26 and energy storage connecting lever 22 are with being located on the output revolving shaft 21 of energy storage actuating assembly 2 three's coaxial rotation.
As linkage described in the utility model is quadric chain, it comprises hinged in turn first hinged some connecting rod 6, combined floodgate arm-tie 7 and the connecting lever 8 that is connected with the on/off switch main shaft, the head end of first hinged some connecting rod 6 is fixed on the frame 1, and its fixing point is as the first hinged point of linkage; Connecting lever 8 is fixed on the on/off switch main shaft, and this fixing point is as the second hinged point of linkage, and the contact point that cam 5 is dialed linkage is the tie point of first hinged some connecting rod 6 and combined floodgate arm-tie 7.Make in the installation process concrete, the center fixation of connecting lever 8 is on the on/off switch main shaft, and when quadric chain drove connecting lever 8 motions, connecting lever 8 drove the on/off switch main shaft immediately and rotates.
During this time, the frictional force of dialing for the tie point that reduces 5 pairs first hinged some connecting rods of cam 6 and combined floodgate arm-tie 7, on the tie point of first hinged some connecting rod 6 and combined floodgate arm-tie 7, be provided with roller, cam 5 is dialed on roller, both be beneficial to cam 5 and better contact position arranged with quadric chain, also reduced both contact friction forces, made quadric chain movable flexibly rapidly.
The course of work of the present utility model is such:
The operator connects the power supply of energy storage motor or manually shakes the operation axis of energy storage motor, the output gear rotation of motor, make the output wheel of energy storage actuating assembly 2 gear trains 24 drive ratchet 25, ratchet 25 sincere firmly ratchets 26, driving ratchet 26 rotates, at this moment, also rotate simultaneously with the cam 5 on the output revolving shaft 21 that is located at energy storage actuating assembly 2, energy storage connecting lever 22 with ratchet 26.After ratchet 26 fortune circle, energy-stored spring 23 is pulled to the longest and shortly past its dead-centre position, the energy storage stage finishes, at this moment, pinch roller 241 on the ratchet 26 tightly is pressed on the switch-on latching assembly 3, because of the other end roof pressure of switch-on latching assembly 3 on the real semiaxis of switch-on latching semiaxis, make that ratchet 26 is held out against, energy-stored spring 23 remains on shortly past the dead-centre position.
When the operator operates corresponding switch knob, make the switch-on latching semiaxis rotate, switch-on latching assembly 3 is on partly threading off empty half cycle from real semiaxis under the corresponding spring action, and energy-stored spring 23 shrinks immediately and discharges elastic potential energy, drives ratchet 26 and rotation.Cam 5 counterclockwise rotates immediately, dial the first hinged some connecting rod 6 of quadric chain and the roller of the tie point of combined floodgate arm-tie 7, make quadric chain counterclockwise move around fulcrum, during this time, connecting lever 8 drives the on/off switch spindle axis counterclockwise rotation immediately, drive the on/off switch main shaft and finish feed motion, wait for follow-up sub-switching operation.
The utility model is taked cam 5 and the Tiebar structure operating mechanism as breaker closing, can improve the rigidity of linkage indirectly, also can alleviate the weight of pull bar, reduce the manufacturing cost of product, and, the cam 5 and the Tiebar structure of this structure, its actuating is flexible rapidly, help improving the reliability of circuit breaker, prolong the useful life of product.
Claims (4)
1. indoor HVAC vacuum circuit breaker combined floodgate operating mechanism, comprise the energy storage actuating assembly (2) and switch-on latching assembly (3) be located on the frame (1), the output of energy storage actuating assembly (2) is output revolving shaft (21), energy storage connecting lever (22) is installed on the output revolving shaft (21), energy storage connecting lever (22) is connected with the energy-stored spring (23) of circuit breaker, energy-stored spring (23) can be gone up to rotate at output revolving shaft (21) and be elongated with energy storage connecting lever (22), finishes energy storage; Energy storage actuating assembly (2) is by gear train (24) and ratchet (25), ratchet (26) transmission, the output wheel movable set of gear train (24) is on output revolving shaft (21), ratchet (26) is fixed on the output revolving shaft (21), ratchet (25) is fixed on the output wheel of gear train (24) and with ratchet (26) and matches, ratchet (26) but be provided with the pinch roller (241) of roof pressure switch-on latching assembly (3), it is characterized in that: be equipped with on the described frame (1) and can drive the linkage that on/off switch main shaft (4) rotates, output revolving shaft (21) is provided with the cam (5) that can dial linkage and make connecting rod mechanism movement.
2. indoor HVAC vacuum circuit breaker combined floodgate operating mechanism according to claim 1, it is characterized in that: described linkage is a quadric chain, it comprises hinged in turn first hinged some connecting rod (6), combined floodgate arm-tie (7) and the connecting lever (8) that is connected with on/off switch main shaft (4), the head end of first hinged some connecting rod (6) is fixed on the frame (1), and its fixing point is as the first hinged point of linkage; Connecting lever (8) is fixed on the on/off switch main shaft (4), and this fixing point is as the second hinged point of linkage, and the contact point that cam (5) is dialed linkage is the tie point of first hinged some connecting rod (6) and combined floodgate arm-tie (7).
3. indoor HVAC vacuum circuit breaker combined floodgate operating mechanism according to claim 2 is characterized in that: the center fixation of described connecting lever (8) is on on/off switch main shaft (4).
4. indoor HVAC vacuum circuit breaker combined floodgate operating mechanism according to claim 2 is characterized in that: described first hinged some connecting rod (6) is provided with roller (67) with the tie point of combined floodgate arm-tie (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820047686XU CN201188394Y (en) | 2008-05-09 | 2008-05-09 | Switching-in operation mechanism for indoor high voltage AC vacuum circuit-breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820047686XU CN201188394Y (en) | 2008-05-09 | 2008-05-09 | Switching-in operation mechanism for indoor high voltage AC vacuum circuit-breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201188394Y true CN201188394Y (en) | 2009-01-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820047686XU Expired - Lifetime CN201188394Y (en) | 2008-05-09 | 2008-05-09 | Switching-in operation mechanism for indoor high voltage AC vacuum circuit-breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201188394Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014019303A1 (en) * | 2012-07-30 | 2014-02-06 | 日升集团有限公司 | Outdoor vacuum circuit breaker |
-
2008
- 2008-05-09 CN CNU200820047686XU patent/CN201188394Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014019303A1 (en) * | 2012-07-30 | 2014-02-06 | 日升集团有限公司 | Outdoor vacuum circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGDONG BIDA ELECTRICAL EQUIPMENT CO., LTD. Free format text: FORMER OWNER: LIU CHONGFANG Effective date: 20110328 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 528300 LANE 4, LANE 28, DAWEI STREET 6, DALIANG SUBDISTRICT, SHUNDE DISTRICT, FOSHAN CITY, GUANGDONG PROVINCE TO: 528309 NO. 3B, XINDA INDUSTRIAL ZONE, SANZHOU, LUNJIAO SUBDISTRICT, SHUNDE DISTRICT, FOSHAN CITY, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110328 Address after: 528309 Guangdong province Foshan city Shunde District Lunjiao Street three new Chau Industrial Zone No. 3B Patentee after: Guangdong Bida Electrical Appliance Co., Ltd. Address before: 528300 Guangdong province Foshan city Shunde District Daliang street, Tai Wai Street twenty-eight Lane 4 Lane Patentee before: Liu Chongfang |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090128 |