CN2341258Y - Energy storing structure for spring operating mechanism - Google Patents
Energy storing structure for spring operating mechanism Download PDFInfo
- Publication number
- CN2341258Y CN2341258Y CN 98211237 CN98211237U CN2341258Y CN 2341258 Y CN2341258 Y CN 2341258Y CN 98211237 CN98211237 CN 98211237 CN 98211237 U CN98211237 U CN 98211237U CN 2341258 Y CN2341258 Y CN 2341258Y
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- CN
- China
- Prior art keywords
- side plate
- energy storing
- spring
- connecting lever
- energy
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- 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.)
- Expired - Fee Related
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to an energy storing structure for a spring operating mechanism, composed of a power unit, a crank arm, a connecting plate, a driving ratchet, a holding ratchet, a ratchet wheel, a cam wheel, an energy storing shaft, a supporting plate, a power storing spring, a positioning piece, a switching-on release, an output shaft, a rocker arm, a semi-shaft, etc. The utility model changes a cantilever state energy storing shaft in the prior art into a double-support structure and additionally provides the supporting plate. Most of supporting force provided by the supporting plate can counteract radial pulling force created by the energy storing spring to the energy storing shaft in energy storing processes. The mechanical strength of the shaft is raised, and thus, the energy storing amount of the spring is increased. Therefore, the maximum breaking force can reach 20 KA current. Moreover, the operating mechanism can maintain relative stability, and the operational reliability can be increased. At the same time, because the power device can be operated by electricity and hands, even under the condition that the power is cut, the mechanism can be operated by hands for realizing normal operation.
Description
The utility model relates to the energy storing structure that the operating mechanism of outdoor vacuum circuit breaker is used for closing a floodgate in the high voltage electric appliance.
Stored energy mechanism is to be driven by electric power or manpower, makes energy-stored spring elongate energy storage gradually, and recovers and release energy in moment, and mechanism is closed a floodgate.The energy-stored spring lower end of prior art is fixed on mechanism base, and the upper end is connected with the energy storage axle by the energy storage axle sleeve.Because energy storage axle one end is welded on mechanism's side plate, it is cantilever-shaped that the other end is, cantilever-shaped axle head is limited by spring tension, and the energy storage of spring is directly proportional with stressed, therefore mechanism's output energy must be limited in one more among a small circle in, the energy storage axle just can excessively not be out of shape impairedly because of stressed, and the following electric current of 16KA can only cut-off in common this mechanism.
The purpose of this utility model is to overcome the defective of prior art and a kind of energy storing structure that energy storage axle suspension arm state can improve the spring operating mechanism of connecting-disconnecting function that changes is provided.
The utility model is finished by following technical proposal: the connecting lever II that has roller and the connecting plate that are driven by power set flexibly connect, connecting plate is provided with the driving ratchet of the interaction connection of driving pawl one-directional rotation, guarantee that the maintenance ratchet that ratchet one-way rotates is hinged on the side plate, ratchet is connected with energy storage through-drive, the energy storage axle that is connected on the side plate is provided with empty connecting lever III of overlapping, the connecting lever IV that is in transmission connection, cam and connecting lever V, keep the keeper of spring in excessively to be hinged on the side plate, by combined floodgate release energising control, energy storage axle axle head is provided with the connecting lever I that is in transmission connection, energy-stored spring one end is connected on the connecting lever I, the other end is connected on the base of side plate below by the thread head spring base, the driving sleeve that is provided with roller is connected on the output shaft and controlled by interlock, the rocking arm of guaranteeing the output shaft angle of revolution is fixed on the side plate by semiaxis, and the side plate below also is provided with the overcurrent release supporting plate.The cantilever end that it is characterized in that described energy storage axle is bearing in the structure that the formation double base can directly rotate on the supporting bracket, and the supporting bracket top connects side plate by stud, and the below is connected with the overcurrent release supporting plate.
Described power set can be motor drive mechanisms, are provided with fixing motor on side plate, and motor output shaft is provided with fixing eccentric wheel, and eccentric wheel drives the action of connecting lever II.
Described power set can be man-operating mechanisms, promptly are provided with handle at the side plate rear, and this handle is in transmission connection by Handle axis and connecting lever II.
Advantage of the present utility model is owing to improved the fixed structure of energy storage axle, make the support force major part that supporting bracket provided of increase offset the radial pull that energy-stored spring is produced the energy storage axle in thermal energy storage process, improved the mechanical strength of axle, thereby increased the energy storage capacity of spring, make the power of cut-offfing to reach the electric current of 20KA, and make operating mechanism keep relative stability, improve the reliability of work.Because power set have motor drive mechanism and man-operating mechanism, so even mechanism still can be by manually realizing normal operation when having a power failure.
Description of drawings.
Fig. 1 is a main TV structure schematic diagram of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the A-A cutaway view of Fig. 2.
Below in conjunction with above-mentioned accompanying drawing embodiment of the present utility model is described in detail again.
As Figure 1-3, the energy storing structure of spring operating mechanism has one to be fixed on the connecting lever II (9) that has roller that angle square shape side plate (1) is upward driven by power set, connecting lever II and connecting plate (8) flexibly connect, the gyration of connecting lever II is converted into the reciprocating motion of connecting plate, the driving ratchet (26) of the interaction connection of driving pawl (20) one-directional rotation is housed on the connecting plate, guarantee that the maintenance ratchet (25) that ratchet one-way rotates is hinged on the side plate, ratchet (20) is in transmission connection with energy storage axle (6), energy storage axle one end bearing is on side plate bearing pedestal (23) inner bearing (22), axle head is provided with the shut (21) of dustproof usefulness, the other end is bearing in bearing pedestal (7) bearing of supporting bracket (4), forms directly rotational structure of double base.The supporting bracket top is connected on the side plate with 2 studs (19), and the below is connected with overcurrent release supporting plate (13).The energy storage axle is provided with the connecting lever III (24) of empty cover, the connecting lever IV (27) that is in transmission connection, by isolated cam of sleeve (30) and connecting lever V (31), keep the keeper (29) of spring in excessively to be hinged on the side plate, by combined floodgate release (28) energising control, energy storage axle axle head is provided with the connecting lever I (5) that is in transmission connection, energy-stored spring (14) one ends are connected on the connecting lever I, the other end is connected on the base (16) of side plate below by threaded spring seat (15), the driving sleeve (18) that is provided with roller is connected output shaft (17) and goes up and be subjected to interlock (32) control, guarantees that the rocking arm (2) of output shaft angle of revolution is fixed on the side plate by semiaxis (3).When the roller on the connecting lever V forwards to and collides with keeper and energy storage puts in place, close a floodgate as need, provide the energising signal to the combined floodgate release, the action of threading off of closing a floodgate makes the keeper running, and roller breaks away from keeper on the connecting lever V, and energy-stored spring releases energy.
Described power set can be motor drive mechanisms, are provided with fixing motor (11) on side plate, and motor output shaft is provided with fixing eccentric wheel (10), and eccentric wheel drives connecting lever II (9) action.Can also be man-operating mechanism, promptly be provided with handle (12) at the side plate rear, this handle be in transmission connection by Handle axis and connecting lever II (9).
Described being in transmission connection refers to key connection or square feather joint or pin connection or alternate manner connection.
Dynamic structure of the present utility model is: plugging in rotates motor or the pulling handle, motor drives the connecting lever II by eccentric wheel, handle directly drives the connecting lever II by Handle axis, the engagement unidirectional delivery that drives connecting plate and driving ratchet and ratchet by the connecting lever II drives the revolution of energy storage axle, by the connecting lever I on the energy storage axle energy-stored spring is elongated gradually and makes mechanism's energy storage.After in energy-stored spring is crossed, keep, make mechanism be in the preparation "on" position by keeper.When closing a floodgate, give the coil electricity of combined floodgate release, the keeper rotation is removed energy storage and is kept, and energy-stored spring releases energy, and makes the rotation of energy storage axle and drives driving sleeve and the output shaft rotation, and rocking arm fastens semiaxis, makes circuit breaker be in "on" position.Under this state, when actuating energy-storage system once more, energy-stored spring is elongated once more, and the back was maintained by keeper during spring was crossed, and keeper fastens by interlock, and mechanism can not be released energy, and avoids mechanism's sky to close, and this moment, mechanism was in the reclosing state.
Claims (4)
1. the energy storing structure of a spring operating mechanism, the connecting lever II (9) that has roller that is driven by power set flexibly connects with connecting plate (8), connecting plate is provided with the driving ratchet (26) of the interaction connection of driving pawl (20) one-directional rotation, guarantee that the maintenance ratchet (25) that ratchet one-way rotates is hinged on the side plate (1), ratchet and energy storage axle (6) are in transmission connection, the energy storage axle that is connected on the side plate is provided with empty connecting lever III (24) of overlapping, the connecting lever IV (27) that is in transmission connection, cam (30) and connecting lever V (31), keep the keeper (29) of spring in excessively to be hinged on the side plate, by combined floodgate release (28) energising control, energy storage axle (6) axle head is provided with the connecting lever I (5) that is in transmission connection, energy-stored spring (14) one ends are connected on the connecting lever I, and the other end is connected on the base (16) of side plate below by threaded spring seat (15); The driving sleeve (18) that is provided with roller is connected output shaft (17) and goes up and be subjected to interlock (32) control, the rocking arm (2) of guaranteeing the output shaft angle of revolution is fixed on the side plate by semiaxis (3), the side plate below also is provided with overcurrent release supporting plate (13), the cantilever end that it is characterized in that described energy storage axle (6) is bearing in the structure that the last formation of supporting bracket (4) double base can directly rotate, and the supporting bracket top connects side plate by stud (19), and the below is connected with overcurrent release supporting plate (13).
2. the energy storing structure of spring operating mechanism as claimed in claim 1, energy storage axle (6) one end bearings that it is characterized in that described double supporting structure are on side plate (1) bearing pedestal (23) inner bearing (22), axle head is provided with dust seal plate (21), and the other end is bearing in bearing pedestal (7) bearing of supporting bracket (4).
3. the energy storing structure of spring operating mechanism as claimed in claim 1, it is characterized in that described power set are motor drive mechanisms, be provided with fixing motor (11) on side plate (1), motor output shaft is provided with fixing eccentric wheel (10), and eccentric wheel drives connecting lever II (9) action.
4. the energy storing structure of spring operating mechanism as claimed in claim 1 is characterized in that described power set are man-operating mechanisms, promptly is provided with handle (12) at the side plate rear, and this handle is in transmission connection by Handle axis and connecting lever II (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98211237 CN2341258Y (en) | 1998-01-20 | 1998-01-20 | Energy storing structure for spring operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98211237 CN2341258Y (en) | 1998-01-20 | 1998-01-20 | Energy storing structure for spring operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2341258Y true CN2341258Y (en) | 1999-09-29 |
Family
ID=33965972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98211237 Expired - Fee Related CN2341258Y (en) | 1998-01-20 | 1998-01-20 | Energy storing structure for spring operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2341258Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101937801A (en) * | 2010-09-16 | 2011-01-05 | 无锡市凯旋电机有限公司 | Energy storage and release device of energy-prestoring remote control molded case circuit breaker motor operating mechanism |
| CN105161328A (en) * | 2015-09-18 | 2015-12-16 | 北海银河开关设备有限公司 | Three-position switch operation mechanism spring device |
| CN107316765A (en) * | 2017-07-11 | 2017-11-03 | 江苏镇德电力设备有限公司 | A kind of chain connector of earthing knife-switch |
| CN112700983A (en) * | 2020-12-11 | 2021-04-23 | 河南平高电气股份有限公司 | Spring operating mechanism |
-
1998
- 1998-01-20 CN CN 98211237 patent/CN2341258Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101937801A (en) * | 2010-09-16 | 2011-01-05 | 无锡市凯旋电机有限公司 | Energy storage and release device of energy-prestoring remote control molded case circuit breaker motor operating mechanism |
| CN101937801B (en) * | 2010-09-16 | 2012-05-30 | 无锡市凯旋电机有限公司 | Energy storage and release device of energy-prestoring remote control molded case circuit breaker motor operating mechanism |
| CN105161328A (en) * | 2015-09-18 | 2015-12-16 | 北海银河开关设备有限公司 | Three-position switch operation mechanism spring device |
| CN105161328B (en) * | 2015-09-18 | 2017-10-27 | 北海银河开关设备有限公司 | The spring assembly of operation mechanism with three-position switch |
| CN107316765A (en) * | 2017-07-11 | 2017-11-03 | 江苏镇德电力设备有限公司 | A kind of chain connector of earthing knife-switch |
| CN112700983A (en) * | 2020-12-11 | 2021-04-23 | 河南平高电气股份有限公司 | Spring operating mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |