CN112700985B - Connecting seat and disc spring hydraulic mechanism using same - Google Patents
Connecting seat and disc spring hydraulic mechanism using same Download PDFInfo
- Publication number
- CN112700985B CN112700985B CN202011469234.2A CN202011469234A CN112700985B CN 112700985 B CN112700985 B CN 112700985B CN 202011469234 A CN202011469234 A CN 202011469234A CN 112700985 B CN112700985 B CN 112700985B
- Authority
- CN
- China
- Prior art keywords
- protective cover
- flange
- disc spring
- hydraulic mechanism
- mounting frame
- Prior art date
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 50
- 230000001681 protective effect Effects 0.000 claims abstract description 52
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 4
- 230000003628 erosive effect Effects 0.000 abstract description 4
- 238000004146 energy storage Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 6
- 239000003921 oil Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 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
- H01H3/3005—Charging means
- H01H3/301—Charging means using a fluid actuator
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
Landscapes
- Springs (AREA)
Abstract
The invention relates to a connecting seat and a disc spring hydraulic mechanism using the same, wherein the connecting seat comprises an upper flange and a lower flange, the upper flange is used for being connected with a breaker body, and the lower flange is used for being directly or indirectly connected with a working cylinder; the connecting seat also comprises a connecting body fixedly arranged between the upper flange and the lower flange, the outer side of the connecting body is used for installing an external part, and the inner side of the connecting body is used for the internal transmission part to pass through; the connecting seat further comprises a protective cover mounting frame located between the upper flange and the lower flange, the protective cover mounting frame is fixedly connected with the connecting body, a mounting part for mounting a protective cover is arranged on the protective cover mounting frame, and the protective cover is used for covering the outside of the structure below the connecting seat in the disc spring hydraulic mechanism. The protection casing can prevent the erosion of outside rainwater, dust etc. with the structure of connecting seat below in the dish spring hydraulic mechanism to make dish spring hydraulic mechanism can be applicable to outdoor service scene.
Description
Technical Field
The invention relates to a connecting seat and a disc spring hydraulic mechanism using the same.
Background
In the design of high-voltage circuit breakers, as the breaking capacity increases, the circuit breaker is required to have a high breaking speed, which requires that the operating mechanism provide a large operating work. The disc spring hydraulic operating mechanism uses the disc spring as an energy storage medium and hydraulic oil as a transmission medium, so that high pressure is easy to obtain, large energy is stored, and the structure is small and compact.
The prior disc spring hydraulic mechanism is shown in Chinese patent publication No. CN201532867U, and comprises a working cylinder, wherein a disc spring is sleeved outside the working cylinder, a piston rod in the working cylinder penetrates out upwards and is in transmission connection with a breaker body to drive a moving contact in the breaker body to act, and an oil tank is fixed above the working cylinder. The movable end in the energy storage cylinder is matched with the disc spring to realize energy storage. For connecting hydraulic operating mechanism and circuit breaker body, be fixed with the connecting seat (i.e. the support in this patent) in the oil tank top, under the general case, the connecting seat includes flange and lower flange, and upper flange links to each other with the circuit breaker body, and lower flange links to each other with the oil tank, and the centre passes through the connector and links to each other. The middle of the connecting seat is provided with a piston rod, a sliding block and other internal transmission parts to pass through, and an external part is externally installed and comprises an auxiliary switch and the like.
The disc spring hydraulic mechanism in the prior art is usually used indoors, the indoor environment is good, and even if the disc spring is exposed to the air, no problem exists. However, when the existing disc spring hydraulic mechanism is used outdoors, the outdoor environment is bad, the disc spring is easy to damage when being exposed to the air for a long time, and the disc spring hydraulic mechanism cannot be normally used because of the fact that energy is stored in a normal compression mode.
Disclosure of Invention
The invention aims to provide a connecting seat to solve the technical problem that a disc spring hydraulic mechanism in the prior art cannot be suitable for an outdoor use environment; the disc spring hydraulic mechanism using the connecting seat is further provided to solve the technical problem.
In order to achieve the above purpose, the technical scheme of the connecting seat provided by the invention is as follows: a connection mount, comprising:
The upper flange is used for being connected with the breaker body, and the lower flange is used for being directly or indirectly connected with the working cylinder;
the connecting body is fixedly arranged between the upper flange and the lower flange, the outer side of the connecting body is used for installing an external part, and the inner side of the connecting body is used for the internal transmission part to pass through;
the connecting seat further comprises:
The protective cover mounting frame is positioned between the upper flange and the lower flange and fixedly connected with the connecting body, the protective cover mounting frame is provided with a mounting part for mounting a protective cover, and the protective cover is used for covering the outside of the structure below the connecting seat in the disc spring hydraulic mechanism; the connector comprises an upper connector part and a lower connector part which are respectively arranged on the upper side and the lower side of the protective cover mounting frame, and the upper connector part is a cylinder.
The beneficial effects are that: through set up the protection casing mounting bracket between last flange and lower flange, can be used for installing the protection casing, the protection casing can be with the structure of connecting seat below in the dish spring hydraulic mechanism, especially dish spring cover is established including, prevents the erosion of outside rainwater, dust etc to make dish spring hydraulic mechanism can be applicable to outdoor service scenario. In addition, the protective cover mounting frame is integrated on the connecting seat, parts such as the working cylinder and the like do not need to be changed, and the structure is simpler.
As a further optimized scheme, the protective cover mounting frame transversely penetrates through the connecting body.
The beneficial effects are that: the protective cover mounting frame is of a complete structure, and is connected with the upper flange and the lower flange through the upper connector part and the lower connector part, so that the integral structure is high in strength.
As a further optimized scheme, the protective cover mounting frame is a middle flange, and the mounting part is a bolt perforation arranged at the edge of the middle flange.
The technical scheme of the disc spring hydraulic mechanism is as follows: a disc spring hydraulic mechanism comprising:
The working cylinder and the disc spring are arranged outside the working cylinder, a piston is penetrated in the working cylinder, and the piston is in transmission connection with the breaker body;
the connecting seat, the connecting seat includes:
The upper flange is used for being connected with the breaker body, and the lower flange is used for being directly or indirectly connected with the working cylinder;
the connecting body is fixedly arranged between the upper flange and the lower flange, the outer side of the connecting body is used for installing an external part, and the inner side of the connecting body is used for the internal transmission part to pass through;
the connecting seat further comprises:
the protective cover mounting frame is positioned between the upper flange and the lower flange and is fixedly connected with the connecting body;
the protection cover is fixedly arranged on the protection cover mounting frame and is used for being covered outside the structure below the connecting seat in the disc spring hydraulic mechanism; the connector comprises an upper connector part and a lower connector part which are respectively arranged on the upper side and the lower side of the protective cover mounting frame, and the upper connector part is a cylinder.
The beneficial effects are that: through set up the protection casing mounting bracket between last flange and lower flange, can be used for installing the protection casing, the protection casing can be with the structure of connecting seat below in the dish spring hydraulic mechanism, especially dish spring cover is established including, prevents the erosion of outside rainwater, dust etc to make dish spring hydraulic mechanism can be applicable to outdoor service scenario. In addition, the protective cover mounting frame is integrated on the connecting seat, parts such as the working cylinder and the like do not need to be changed, and the structure is simpler.
As a further optimized scheme, the protective cover mounting frame transversely penetrates through the connecting body.
The beneficial effects are that: the protective cover mounting frame is of a complete structure, and is connected with the upper flange and the lower flange through the upper connector part and the lower connector part, so that the integral structure is high in strength.
As a further optimized scheme, the protective cover mounting frame is a middle flange, and the mounting part is a bolt perforation arranged at the edge of the middle flange.
As a further optimized scheme, the protective cover comprises at least two parts which are arranged in a split mode along the circumferential direction, and all the parts are combined to form the protective cover.
The beneficial effects are that: the protective cover is formed by two parts in a butt joint way, so that the installation is convenient.
As a further optimized scheme, the whole external diameter of the protective cover mounting frame is larger than the external diameter of the disc spring, and the protective cover comprises cover bodies with equal diameters from top to bottom.
The beneficial effects are that: generally, the external diameter of the disc spring in the disc spring hydraulic mechanism is the biggest, and when the whole external diameter of the protective cover mounting bracket is greater than the external diameter of the disc spring, the cover body of the protective cover can be of a whole constant diameter structure, and is convenient to process.
Drawings
Fig. 1 is a schematic diagram of an embodiment 1 of a disc spring hydraulic mechanism provided by the invention (in the drawing, a breaker body is in a broken line block diagram);
FIG. 2 is a schematic view of the connecting base of FIG. 1;
reference numerals illustrate:
100. A circuit breaker body; 200. a disc spring hydraulic mechanism; 201. a working cylinder; 202. a disc spring pressing plate; 203. a disc spring; 204. an energy storage cylinder; 205. a piston rod; 300. a connecting seat; 301. an upper flange; 302. a lower flange; 303. a middle flange; 304. a cylinder; 305. a support plate; 400. a protective cover; 401. a cover body; 402. and (5) flanging.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of a process or method comprising the element.
In the description of the present invention, the terms "mounted," "connected," "coupled," and "connected," as may be used broadly, and may be connected, for example, fixedly, detachably, or integrally, unless otherwise specifically defined and limited; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art in specific cases.
In the description of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the term "provided" may be interpreted broadly, and for example, an object "provided" may be a part of a body, may be separately disposed from the body, and may be connected to the body, where the connection may be a detachable connection or an undetachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art in specific cases.
The present invention is described in further detail below with reference to examples.
The invention provides a specific embodiment 1 of a disc spring hydraulic mechanism, which comprises the following components:
As shown in fig. 1 and 2, the disc spring hydraulic mechanism 200 provides power for movement of the moving contacts in the breaker body 100. The structure of the disc spring hydraulic mechanism 200 is consistent with that of the conventional mechanism, the disc spring hydraulic mechanism comprises a working cylinder 201, a piston rod 205 is arranged in the working cylinder 201 in a penetrating manner, a disc spring 203 is sleeved outside the working cylinder, the lower end of the disc spring 203 is fixed, the upper end of the disc spring 203 is propped against a disc spring pressing plate 202, and the disc spring pressing plate 202 is sleeved outside the working cylinder 201. An energy storage cylinder 204 is fixedly arranged on one side of the working cylinder 201, a piston in the energy storage cylinder 204 is matched with a clamping groove on the surface of the disc spring pressing plate 202, downward movement of the piston in the energy storage cylinder 204 is transmitted to the disc spring 203, and the disc spring 203 is compressed, so that energy storage is realized. The piston rod 205 is connected to the breaker body 100, and transmits the movement of the cylinder 201 to the breaker body 100.
In order to achieve mechanical connection of the circuit breaker body 100 and the disc spring hydraulic mechanism 200, a connection seat 300 is arranged between the circuit breaker body 100 and the disc spring hydraulic mechanism 200, the connection seat 300 has a structure as shown in fig. 2, the connection seat 300 comprises an upper flange 301 and a lower flange 302, the upper flange 301 is fixedly mounted on the circuit breaker body 100 in use, and the lower flange 302 is fixedly mounted on the working cylinder 201 of the disc spring hydraulic mechanism 200 in use. A middle flange 303 is further arranged between the upper flange 301 and the lower flange 302, a cylinder 304 is welded and fixed between the upper flange 301 and the middle flange 303, and a support plate 305 is welded and fixed between the middle flange 303 and the lower flange 302. The support plate 305 is welded between the middle flange 303 and the lower flange 302, and is used for installing an external connector on the outer side and providing a longitudinal and transverse space for the action of the internal transmission part (including the piston rod 205, a link mechanism connected with the piston rod 205, a sliding block and the like) of the disc spring hydraulic mechanism on the inner side.
In specific use, external components are mounted on the outer sides of the cylinder 304 and the support plate 305, wherein the external components refer to auxiliary switches, heavy-duty connectors and opening and closing indicator lamp structures, and are mounted by opening holes in the cylinder 304 and the support plate 305. Generally, the external connection member is often installed outside the cylinder 304, so as to reinforce the cylinder 304, and as shown in fig. 2, the outside diameter of the cylinder 304 is large, so that the welding area between the cylinder 304 and the upper flange 301 and the middle flange 303 can be increased. The upper flange 301, the lower flange 302, the middle flange 303, the cylinder 304 and the support plate 305 are integrally welded and formed, so that the structure strength is high, and the processing and the manufacturing are convenient.
In this embodiment, as shown in fig. 1, the overall outer diameter of the middle flange 303 is larger than the outer diameter of the disc spring 203.
In order to avoid erosion of the disc spring 203 by rainwater, dust and the like, in this embodiment, a protective cover 400 is fixedly mounted on the middle flange 303, and the protective cover 400 includes a cover body 401 with equal diameters up and down, and a flange 402 disposed above the cover body 401, where the flange 402 is turned inwards. The flange 402 is used for being fixedly arranged on the middle flange 303, bolt through holes are formed in the flange 402 and matched with the bolt through holes in the middle flange 303, and when the sealing device is particularly used, a sealing ring is pressed between the flange 402 and the middle flange 303, so that sealing performance is guaranteed. The upper end of the shield 400 is fixed to the middle flange 303, and the lower end extends below the disc spring 203 and is connected to other components, which may be a base or the like.
To facilitate the installation of the protection cover 400, in this embodiment, the protection cover 400 includes two parts split in the transverse direction, i.e., each part is C-shaped, and the two parts are spliced to form the finished protection cover 400.
In this embodiment, the cylinder 304 forms an upper connector portion connecting the upper flange 301 and the middle flange 303, and the stay 305 forms a lower connector portion connecting the middle flange 303 and the lower flange 302. Together, the barrel 304 and the support plate 305 form a connector portion that connects the upper flange 301 and the lower flange 302.
In this embodiment, the middle flange 303 is used to mount the boot 400, thereby forming a boot mount. While bolt penetration holes on the middle flange 303 form mounting portions for mounting the shield 400.
Specific example 2 of the disc spring hydraulic mechanism of the present invention:
in embodiment 1, the overall outer diameter of the shield mounting frame is larger than the outer diameter of the disc spring, so that the shield body of the shield can be of an equal-diameter structure. In this embodiment, when the whole external diameter of protection casing mounting bracket is less than the dish spring, in order to guarantee that the protection casing can be installed on the protection casing mounting bracket, protect dish spring simultaneously including, design the protection casing as the structure of upper narrow lower width.
Specific example 3 of disc spring hydraulic mechanism of the present invention:
In embodiment 1, the shield comprises two parts, which are joined to form the shield. In this embodiment, the shield may have three or more parts.
Specific example 4 of the disc spring hydraulic mechanism of the present invention:
In embodiment 1, the mounting portion on the hood mounting bracket is a bolt through hole extending up and down. In this embodiment, the installation department on the protection casing mounting bracket can be the hem that the protection casing mounting bracket upwards or buckle downwards, and at this moment, the protection casing upper end no longer sets up the turn-ups, only relies on the cooperation of the cover body and hem just can accomplish the installation of protection casing. When the flange is not arranged on the protective cover, the protective cover can be an integral body and sleeved outside the disc spring and the protective cover mounting frame along the up-down direction.
Specific example 5 of disc spring hydraulic mechanism of the present invention:
In embodiment 1, the shield mount extends transversely through the connector, dividing the connector into two portions. In this embodiment, the connector is a complete integral structure, and the protective cover mounting frame is fixedly mounted outside the connector, and the protective cover mounting frame at this time may be a frame type structure or a plate type structure.
Specific example 6 of the disc spring hydraulic mechanism of the present invention:
in embodiment 1, the lower flange in the connecting seat is directly fixedly connected with the working cylinder. In this embodiment, as in the prior art cited in the background art, the oil tank is fixed above the working cylinder, and the lower flange is fixed on the oil tank, and then indirectly fixed on the working cylinder.
The specific embodiment of the connecting seat comprises:
the structure of the connecting seat is identical to that of the connecting seat in each embodiment of the disc spring hydraulic mechanism, and is not described herein.
It should be noted that the above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, but may be modified without inventive effort or equivalent substitution of some technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A connection mount, comprising:
An upper flange (301) and a lower flange (302), the upper flange (301) being used for being connected with the breaker body (100), the lower flange (302) being used for being directly or indirectly connected with the working cylinder (201);
The connecting body is fixedly arranged between the upper flange (301) and the lower flange (302), the outer side of the connecting body is used for installing an external part, and the inner side of the connecting body is used for the internal transmission part to pass through;
The method is characterized in that: the connection base (300) further includes:
the protective cover mounting frame is positioned between the upper flange (301) and the lower flange (302) and fixedly connected with the connecting body, a mounting part for mounting the protective cover (400) is arranged on the protective cover mounting frame, and the protective cover (400) is used for being covered outside the structure below the connecting seat (300) in the disc spring hydraulic mechanism (200); the connector comprises an upper connector part and a lower connector part which are respectively arranged on the upper side and the lower side of the protective cover mounting frame, and the upper connector part is a cylinder (304).
2. The connection mount according to claim 1, wherein: the protective cover mounting frame transversely penetrates through the connecting body.
3. The connection base according to claim 2, characterized in that: the protective cover mounting frame is a middle flange (303), and the mounting part is a bolt perforation arranged at the edge of the middle flange (303).
4. A disc spring hydraulic mechanism comprising:
The working cylinder (201) and the disc spring (203) are arranged outside the working cylinder (201), a piston is arranged in the working cylinder (201) in a penetrating manner, and the piston is used for being in transmission connection with the breaker body (100);
a connection base (300), the connection base (300) comprising:
An upper flange (301) and a lower flange (302), the upper flange (301) being used for being connected with the breaker body (100), the lower flange (302) being used for being directly or indirectly connected with the working cylinder (201);
The connecting body is fixedly arranged between the upper flange (301) and the lower flange (302), the outer side of the connecting body is used for installing an external part, and the inner side of the connecting body is used for the internal transmission part to pass through;
The method is characterized in that: the connection base (300) further includes:
the protective cover mounting frame is positioned between the upper flange (301) and the lower flange (302) and fixedly connected with the connecting body;
the protective cover (400) is fixedly arranged on the protective cover mounting frame, and the protective cover (400) is used for being covered outside the structure below the connecting seat (300) in the disc spring hydraulic mechanism (200); the connector comprises an upper connector part and a lower connector part which are respectively arranged on the upper side and the lower side of the protective cover mounting frame, and the upper connector part is a cylinder (304).
5. The disc spring hydraulic mechanism of claim 4, wherein: the protective cover mounting frame transversely penetrates through the connecting body.
6. The disc spring hydraulic mechanism of claim 5, wherein: the protective cover mounting frame is a middle flange (303), the middle flange (303) comprises bolt through holes extending up and down, an inward flanging (402) is arranged at the upper end of the protective cover (400), and the flanging (402) is fixed on the middle flange through bolts.
7. The disc spring hydraulic mechanism of claim 6, wherein: the protective cover (400) comprises at least two parts which are arranged in a split mode along the circumferential direction, and all the parts are combined to form the protective cover (400).
8. The disc spring hydraulic mechanism according to any one of claims 4-7, wherein: the whole external diameter of protection casing mounting bracket is greater than the external diameter of dish spring (203), protection casing (400) are including upper and lower isodiametric cover body (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011469234.2A CN112700985B (en) | 2020-12-14 | 2020-12-14 | Connecting seat and disc spring hydraulic mechanism using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011469234.2A CN112700985B (en) | 2020-12-14 | 2020-12-14 | Connecting seat and disc spring hydraulic mechanism using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112700985A CN112700985A (en) | 2021-04-23 |
| CN112700985B true CN112700985B (en) | 2024-05-14 |
Family
ID=75507844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011469234.2A Active CN112700985B (en) | 2020-12-14 | 2020-12-14 | Connecting seat and disc spring hydraulic mechanism using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112700985B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB828853A (en) * | 1956-01-23 | 1960-02-24 | Allis Chalmers Mfg Co | Improvements in hydraulic operating devices for electric circuit breakers |
| CN2369344Y (en) * | 1999-02-15 | 2000-03-15 | 姜永海 | Spring hydraulic mechanism for high voltage breaker |
| CN2867560Y (en) * | 2006-02-22 | 2007-02-07 | 河南平高电气股份有限公司 | High-voltage breaker operating mechanism |
| WO2010048878A1 (en) * | 2008-10-31 | 2010-05-06 | 沈阳东华工大高压电器设备有限公司 | Electromagnetic hydraulic valve type spring hydraoulic operation mechanism with the ability of self-protection |
| CN103075603A (en) * | 2011-10-25 | 2013-05-01 | 江苏卉欣波纹管业有限公司 | Pressure buffering and balancing structure for corrugated expansion joint |
| CN203686282U (en) * | 2014-01-24 | 2014-07-02 | 郑州广众科技发展有限公司 | Pneumatic membrane type pressure-relieving valve |
| CN105134106A (en) * | 2015-08-18 | 2015-12-09 | 安徽贝利机械制造有限公司 | Automatic centering hydraulic chuck device for core drills |
| CN205984465U (en) * | 2016-08-22 | 2017-02-22 | 湖南高强电瓷电器有限公司 | Anti -lightning rod -like insulator |
| CN206003692U (en) * | 2016-09-19 | 2017-03-08 | 长江电气集团股份有限公司 | AC high voltage vacuum breaker |
| CN106783420A (en) * | 2016-12-21 | 2017-05-31 | 河南平高电气股份有限公司 | A kind of breaker spring energy-storage type hydraulic actuating mechanism |
| CN207441566U (en) * | 2017-10-17 | 2018-06-01 | 珠海许继电气有限公司 | A kind of vacuum circuit breaker with double breaks |
| CN207770043U (en) * | 2018-04-04 | 2018-08-28 | 艾尼科环保技术(安徽)有限公司 | Electric dust-collector anode rapping sealing device is made on a kind of top |
| CN209929214U (en) * | 2019-05-31 | 2020-01-10 | 四川晨龙航天电器设备有限公司 | Be used for open air post to hydraulic vacuum circuit breaker |
| CN210153299U (en) * | 2019-07-10 | 2020-03-17 | 自贡自高阀门有限公司 | Automatic exhaust air valve |
| CN111917175A (en) * | 2020-09-03 | 2020-11-10 | 安徽瑞保电气科技有限公司 | Low-voltage double-mechanism double-power-supply high-speed switch switching device |
-
2020
- 2020-12-14 CN CN202011469234.2A patent/CN112700985B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB828853A (en) * | 1956-01-23 | 1960-02-24 | Allis Chalmers Mfg Co | Improvements in hydraulic operating devices for electric circuit breakers |
| CN2369344Y (en) * | 1999-02-15 | 2000-03-15 | 姜永海 | Spring hydraulic mechanism for high voltage breaker |
| CN2867560Y (en) * | 2006-02-22 | 2007-02-07 | 河南平高电气股份有限公司 | High-voltage breaker operating mechanism |
| WO2010048878A1 (en) * | 2008-10-31 | 2010-05-06 | 沈阳东华工大高压电器设备有限公司 | Electromagnetic hydraulic valve type spring hydraoulic operation mechanism with the ability of self-protection |
| CN103075603A (en) * | 2011-10-25 | 2013-05-01 | 江苏卉欣波纹管业有限公司 | Pressure buffering and balancing structure for corrugated expansion joint |
| CN203686282U (en) * | 2014-01-24 | 2014-07-02 | 郑州广众科技发展有限公司 | Pneumatic membrane type pressure-relieving valve |
| CN105134106A (en) * | 2015-08-18 | 2015-12-09 | 安徽贝利机械制造有限公司 | Automatic centering hydraulic chuck device for core drills |
| CN205984465U (en) * | 2016-08-22 | 2017-02-22 | 湖南高强电瓷电器有限公司 | Anti -lightning rod -like insulator |
| CN206003692U (en) * | 2016-09-19 | 2017-03-08 | 长江电气集团股份有限公司 | AC high voltage vacuum breaker |
| CN106783420A (en) * | 2016-12-21 | 2017-05-31 | 河南平高电气股份有限公司 | A kind of breaker spring energy-storage type hydraulic actuating mechanism |
| CN207441566U (en) * | 2017-10-17 | 2018-06-01 | 珠海许继电气有限公司 | A kind of vacuum circuit breaker with double breaks |
| CN207770043U (en) * | 2018-04-04 | 2018-08-28 | 艾尼科环保技术(安徽)有限公司 | Electric dust-collector anode rapping sealing device is made on a kind of top |
| CN209929214U (en) * | 2019-05-31 | 2020-01-10 | 四川晨龙航天电器设备有限公司 | Be used for open air post to hydraulic vacuum circuit breaker |
| CN210153299U (en) * | 2019-07-10 | 2020-03-17 | 自贡自高阀门有限公司 | Automatic exhaust air valve |
| CN111917175A (en) * | 2020-09-03 | 2020-11-10 | 安徽瑞保电气科技有限公司 | Low-voltage double-mechanism double-power-supply high-speed switch switching device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112700985A (en) | 2021-04-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101752660B (en) | Cabinet of electrical apparatus and antenna apparatus | |
| CN112700985B (en) | Connecting seat and disc spring hydraulic mechanism using same | |
| CN209104108U (en) | A kind of high-voltage drop fuse | |
| CN100429095C (en) | Power supply safety device of vehicle | |
| CN217485349U (en) | Disc spring hydraulic mechanism and connecting seat thereof | |
| CN110726953B (en) | Conduction testing device of leakage protector | |
| CN210347892U (en) | Short-circuit discharge device for polypropylene film capacitor | |
| CN109119299B (en) | Leakage protector | |
| CN219959450U (en) | Connecting device for connecting workpiece and ground wire pole | |
| CN210378912U (en) | Assembly structure of medium-pressure air valve, moving contact pull rod and moving end conductive cylinder of circuit breaker | |
| CN220651894U (en) | Outdoor vacuum circuit breaker | |
| CN217521900U (en) | Sealing structure of vacuum switch module | |
| CN205882306U (en) | Electrical connection device for standard voltage transformer | |
| CN210575797U (en) | Moving contact connecting structure of molded case circuit breaker | |
| CN201590341U (en) | Extraction-type contact contacting structure of on-load tap-changer | |
| CN215417960U (en) | Button device for automatic control box type transformer substation | |
| CN217280576U (en) | Corrugated pipe for vacuum arc extinguish chamber | |
| CN220960555U (en) | Glove box copper sheathing punching press neglected loading detection device | |
| CN201608062U (en) | Automobile push bar normally open contact type reversing light switch assembly | |
| CN220672464U (en) | Solid-sealed polar pole assembly and circuit breaker with same | |
| CN215300578U (en) | Photovoltaic terminal box with converge and take duplicate protection function | |
| CN211040860U (en) | Spring plate mounting lamp structure | |
| CN211929367U (en) | Fixed contact for fuse type isolating switch | |
| CN216957872U (en) | Vacuum interrupter assembly welded structure | |
| CN210925845U (en) | Outdoor three-phase isolating switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |