CN211907306U - Closing guide device of isolating switch - Google Patents
Closing guide device of isolating switch Download PDFInfo
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- CN211907306U CN211907306U CN202020258583.9U CN202020258583U CN211907306U CN 211907306 U CN211907306 U CN 211907306U CN 202020258583 U CN202020258583 U CN 202020258583U CN 211907306 U CN211907306 U CN 211907306U
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- elastic member
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Abstract
The utility model discloses a closing guide device of an isolating switch, which comprises a static contact and a moving contact, wherein the moving contact is movably connected with the static contact; the moving contact comprises a contact body and a first guide component, the first guide component is arranged on the contact body, and the first guide component is movably connected with the fixed contact. The moving contact is used in a matched mode through the fixed contact and the moving contact, the moving contact is movably connected with the fixed contact through the first guide component, nondestructive transition can be conducted when the moving contact and the fixed contact are not completely centered when the moving contact is convenient to use, under the action of the first guide component, the moving contact is prevented from colliding and wearing with the fixed contact in the using process, damage such as concave surfaces and scratches is generated, the contact surfaces of the moving contact and the fixed contact are good, and therefore the isolating switch is prevented from being overheated when bearing load current.
Description
Technical Field
The utility model relates to an electrical switch technical field specifically, relates to an isolator combined floodgate guider.
Background
The isolating switch is important switch equipment in a power system, plays a role in bearing load current in the operation process, and plays a role in providing an obvious disconnection point and protecting maintenance and debugging personnel in the operations of switching operation, isolating power supply and the like. The contact of the isolating switch is one of the important structures of the isolating switch, the contact goodness of the moving contact and the static contact of the isolating switch is an important index for measuring the stability of the isolating switch in operation, and the common moving contact and the static contact of the isolating switch are usually in direct contact type, namely the moving contact and the static contact are in direct metallic butt joint. Due to the factors of many transmission parts, complex structure, poor field installation and debugging process and the like of the isolating switch, the centering performance of the moving contact and the static contact of the isolating switch slightly deviates on the field. When the traditional plug-in contact finger structure type contact has centering deviation, the edge of a moving contact can collide and abrade with a contact finger of a static contact due to direct contact, and damages such as concave surfaces, scratches and the like are generated, so that the contact surface of the contact is affected, the contact resistance is increased, and the defect that an isolating switch is overheated when bearing load current is caused is overcome.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides an isolator combined floodgate guider.
The utility model discloses a closing guide device of isolating switch, include:
the moving contact is movably connected with the static contact; the moving contact comprises a contact body and a first guide component, the first guide component is arranged on the contact body, and the first guide component is movably connected with the fixed contact.
According to the utility model discloses an embodiment, first direction subassembly includes first moving part, second moving part, first rolling member, second rolling member and first motion guide arm, and first moving part and second moving part all rotate and set up in contact body, and first rolling member rotates and sets up in first moving part, and the second rolling member rotates and sets up in the second moving part, and first motion guide arm sets up between first moving part and second moving part.
According to the utility model discloses an embodiment, first direction subassembly still includes two sliders, and the one end of two sliders is rotated respectively and is connected first motion and second motion, the first motion guide arm of the equal sliding connection of the other end of two sliders.
According to the utility model discloses an embodiment, first direction subassembly still includes first elastic component, and first motion guide arm is located to first elastic component cover, and two sliders of the both ends difference butt of first elastic component.
According to an embodiment of the present invention, the first moving member and the second moving member have the same structure and are symmetrically disposed on the contact body; the first rolling member and the second rolling member have the same structure.
According to the utility model discloses an embodiment, the moving contact still includes second direction subassembly, and second direction subassembly sets up in the contact is originally internal, and second direction subassembly is all connected to first motion and second motion.
According to the utility model discloses an embodiment, the second direction subassembly includes mounting, second motion guide arm, third motion guide arm and slide, and the mounting sets up in contact body, and second motion guide arm and third motion guide arm all set up in the mounting, and slide sliding connection second motion guide arm and third motion guide arm, first motion piece and second motion piece all rotate the connection slide.
According to the utility model discloses an embodiment, the second direction subassembly still includes second elastic component and third elastic component, and the second motion guide arm is located to the second elastic component cover, and the both ends of second elastic component butt mounting and slide respectively, and the third motion guide arm is located to the third elastic component cover, and the both ends of third elastic component butt mounting and slide respectively.
According to the utility model discloses an embodiment, the static contact includes that shell, electrically conductive arm, first touching indicate, the second touches and indicates, fourth elastic component and fifth elastic component, and electrically conductive arm is inserted and is located the shell, and first touching indicates and the second touches to indicate to set up in the shell, and all connects electrically conductive arm, and fourth elastic component sets up and indicates between shell and first touching, and fifth elastic component sets up and touches between indicating between shell and second.
According to the utility model discloses an embodiment, the static contact still includes the mount, and the mount sets up between fourth elastic component, fifth elastic component and shell.
The beneficial effects of the utility model reside in that, use through the cooperation of static contact and moving contact, the moving contact carries out swing joint through first direction subassembly and static contact, can carry out the harmless transition when the moving contact is unable complete centering with the static contact when convenient to use, under the effect of first direction subassembly, the moving contact has been avoided in the use and has collided wearing and tearing with the static contact, produce damage such as concave surface, mar, the well nature of both contact surfaces has been guaranteed, and then prevent that isolator from taking place overheated defect when bearing load current.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a movable contact in an embodiment;
fig. 2 is a schematic structural diagram of a fixed contact in an embodiment;
fig. 3 is a schematic structural diagram of an opening state of a closing guide device of the disconnecting switch in the embodiment;
fig. 4 is a schematic structural diagram of a closing state of the closing guide device of the disconnecting switch in the embodiment.
Description of reference numerals:
1-static contact; 11-a housing; 12-a conductive arm; 13-a first finger; 14-a second finger; 15-a fourth elastic member; 16-a fixing frame; 2-moving contact; 21-a contact body; 22-a first guide assembly; 221-a first motion piece; 222-a second mover; 223-a first rolling member; 224-a second rolling member; 225-a first motion guide; 226-a slider; 227-a first resilient member; 23-a second guide assembly; 231-a fixing member; 232-a second motion guide; 233-a third motion guide; 234-a sled; 235-a second elastic member; 236-third resilient member.
Detailed Description
Embodiments of the invention are illustrated in the drawings and, for the purposes of clarity, numerous implementation details are set forth in the following description. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1-4, fig. 1 is a schematic structural diagram of a movable contact in an embodiment; fig. 2 is a schematic structural diagram of a fixed contact in an embodiment; fig. 3 is a schematic structural diagram of an opening state of a closing guide device of the disconnecting switch in the embodiment; fig. 4 is a schematic structural diagram of a closing state of the closing guide device of the disconnecting switch in the embodiment. As shown in the figures, the closing guide device of the isolating switch of the utility model comprises a static contact 1 and a moving contact 2, wherein the moving contact 2 is movably connected with the static contact 1; the movable contact 2 includes a contact body 21 and a first guiding component 22, the first guiding component 22 is disposed on the contact body 21, and the first guiding component 22 is movably connected to the stationary contact 1.
When the closing guide device of the isolating switch works, the moving contact 2 is pushed by external force to move towards the direction close to the static contact 1, the first guide component 22 is firstly abutted to the static contact 1, and under the action of the first guide component 22, the moving contact 2 is aligned with the static contact 1, and then the moving contact 2 is connected with the static contact 1 completely.
Preferably, the first guide assembly 22 includes a first moving part 221, a second moving part 222, a first rolling part 223, a second rolling part 224 and a first moving guide 225, and the first moving part 221 and the second moving part 222 are both rotatably disposed on the contact body 21; the first rolling member 223 is rotatably disposed on the first moving member 221; the second rolling element 224 is rotatably disposed on the second moving element 222; one end of the first movement guide 225 is slidably coupled to the first movement member 221, and the other end of the first movement guide 225 is slidably coupled to the second movement member 222. In a specific application, the first moving part 221 and the second moving part 222 have the same structure, and the first moving part 221 and the second moving part 222 are arranged in a central symmetry manner with respect to the contact body 21; the first roller 223 is identical in structure to the second roller 224. Specifically, the first rolling member 223 and the second rolling member 224 are both rollers, and a polyurethane rubber material is selected for the rollers, so that a good buffering effect is achieved.
Preferably, the distance between the centers of the first rolling member 223 and the second rolling member 224 is greater than the outer diameter of the contact body 21, so as to ensure that the first rolling member 223 and the second rolling member 224 preferentially contact the stationary contact 1 during use, thereby preventing damage to the contact body 21.
Preferably, the first guide assembly 22 further includes two sliding blocks 226, and the two sliding blocks 226 are respectively disposed on the first moving member 221 and the second moving member 222. When the device is applied specifically, one end of one of the sliders 226 is rotatably disposed on the first moving member 221, and the other end of the slider 226 is slidably connected to the first moving guide 225; one end of the other slider 226 is rotatably disposed on the second moving member 222, and the other end of the slider 226 is slidably connected to the first moving guide 225. Through the arrangement of the sliding block 226, a certain buffering effect is obtained when the first moving part 221 and the second moving part 222 slide on the first motion guide rod 225. Specifically, in order to prevent the two sliding blocks 226 from sliding off the first motion guide rod 225, nuts are disposed at two ends of the first motion guide rod 225 to limit the two sliding blocks 226.
Preferably, the first guiding assembly 22 further includes a first elastic member 227, the first elastic member 227 is sleeved on the first movement guide rod 225, and one end of the first elastic member 227 abuts against one sliding block 226, and the other end abuts against the other sliding block 226. Specifically, the first elastic member 227 is a spring, which has a buffering effect when the two sliding blocks 226 move, and provides power for returning the two sliding blocks 226.
Preferably, the movable contact 2 further includes a second guiding assembly 23, the second guiding assembly 23 is located in the contact body 21, and the first moving element 221 and the second moving element 222 are both rotatably connected to the second guiding assembly 23. In a specific application, the second guiding assembly 23 includes a fixing member 231, a second motion guide rod 232, a third motion guide rod 233 and a sliding plate 234, the fixing member 231 is located in the contact body 21, the second motion guide rod 232 and the third motion guide rod 233 are both disposed on the fixing member 231, the sliding plate 234 is slidably connected to the second motion guide rod 232 and the third motion guide rod 233, and the first moving member 221 and the second moving member 222 are rotatably connected to the sliding plate 234. Specifically, the fixing member 231 is fixed in the contact body 21 by a bolt, and the second motion guide rod 232 and the third motion guide rod 233 have the same structure and are symmetrically disposed on the fixing member 231.
Preferably, in order to prevent sliding plate 234 from sliding out of second motion guide rod 232 and third motion guide rod 233, nuts are disposed on ends of second motion guide rod 232 and third motion guide rod 233 far away from fixing member 231, so as to limit sliding plate 234.
Preferably, the second guiding assembly 23 further includes a second elastic member 235 and a third elastic member 236, the second elastic member 235 is sleeved on the second motion guiding rod 232, and one end of the second elastic member 235 abuts against the fixing member 231, and the other end abuts against the sliding plate 234; the third elastic member 236 is sleeved on the third motion guide rod 233; and one end of the third elastic member 236 abuts against the fixing member 231 and the other end thereof abuts against the sliding plate 234. Specifically, the second elastic element 235 and the third elastic element 236 are both springs, which provide a buffering force for the movement of the sliding plate 234 and a force for returning the sliding plate 234.
The static contact 1 includes a housing 11, a conductive arm 12, a first contact finger 13, a second contact finger 14, a fourth elastic member 15, and a fifth elastic member (not labeled in the figure), the conductive arm 12 is inserted into the housing 11, the first contact finger 13 and the second contact finger 14 are both disposed in the housing 11, the first contact finger 13 and the second contact finger 14 are connected to the conductive arm 12, the fourth elastic member 15 is located between the first contact finger 13 and the housing 11, and the fifth elastic member is located between the second contact finger 14 and the housing 11. In a specific application, the first contact fingers 13 and the second contact fingers 14 have the same structure and are symmetrically arranged along the center line of the housing 11. Specifically, the fourth elastic member 15 and the fifth elastic member are both springs.
Preferably, the static contact 1 further includes a fixed frame 16, the fixed frame 16 is located in the housing 11, and the fixed frame 16 is located between the fourth elastic element 15, the fifth elastic element and the housing 11, that is, one end of the fourth elastic element 15 abuts against the first contact finger 13, and the other end of the fourth elastic element 15 abuts against the fixed frame 16; one end of the fifth elastic element abuts against the second contact finger 14, and the other end of the fifth elastic element abuts against the fixed frame 16. Specifically, the first contact finger 13 and the second contact finger 14 are connected to the fixing frame 16 by bolts.
When the closing guide device of the disconnecting switch is closed, after the static contact 1 is installed and fixed, the moving contact 2 is pushed by an external force to move towards a direction close to the static contact 1, the first rolling member 223 and the second rolling member 224 are respectively abutted against the first contact finger 13 and the second contact finger 14, the fourth elastic member 15 and the fifth elastic member are compressed and deformed at the same time, under the action of the first rolling member 223 and the second rolling member 224, the contact body 21 gradually enters the housing 11, the distance between the first contact finger 13 and the second contact finger 14 is gradually reduced from outside to inside, so that the center distance between the first rolling member 223 and the second rolling member 224 is also gradually reduced, and the first moving member 221, the second moving member 222 and the two sliding blocks 226 are driven to move towards a direction close to each other along the first moving guide rod 225, at this time, under the action of the two sliding blocks 226, the first elastic member 227 is in a compressed state, preferably, the stiffness coefficient of the first elastic member 227 is smaller than that of the fourth elastic member 15 and the fifth elastic member, when the contact body 21 enters the housing 11, the outer walls of the first rolling member 223 and the second rolling member 224 are ensured to be flush with the contact body 21, and the contact between the contact body 21 and the first contact finger 13 and the second contact finger 14 is ensured; during the movement of the contact body 21 toward the inside of the housing 11, the first and second contact fingers 13 and 14 generate a horizontal force on the first and second rolling members 223 and 224, and at this time, the first and second moving members 221 and 222 push the sliding plate 234 to move along the second and third moving guide rods 232 and 233 toward the direction away from the stationary contact 1, and the second and third elastic members 235 and 236 are compressed by the sliding plate 234. When the disconnecting switch closing guide device is used for opening, the moving contact 2 is taken out only through external force, and the first moving part 221 and the second moving part 222 gradually recover to an initial state under the elastic force action of the first elastic part 227, the second elastic part 235 and the third elastic part 236; under the elastic force of the fourth elastic member 15 and the fifth elastic member, the first contact finger 13 and the second contact finger 14 gradually return to the initial state.
To sum up, through the cooperation use of static contact and moving contact, the moving contact carries out swing joint through first direction subassembly and static contact, can carry out the nondestructive transition when the moving contact can't centering completely with the static contact when convenient to use, and under the effect of first direction subassembly, the moving contact has avoided taking place collision wearing and tearing with the static contact in the use, produces damage such as concave surface, mar, has guaranteed the well sex of both contact surfaces, and then prevents that isolator from taking place overheated defect when bearing load current.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to 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 scope of the claims of the present invention.
Claims (10)
1. The utility model provides a isolator closing guide device which characterized in that includes: the device comprises a fixed contact (1) and a movable contact (2), wherein the movable contact (2) is movably connected with the fixed contact (1); the moving contact (2) comprises a contact body (21) and a first guide component (22), the first guide component (22) is arranged on the contact body (21), and the first guide component (22) is movably connected with the fixed contact (1).
2. The closing guide device of the disconnecting switch according to claim 1, wherein the first guide assembly (22) comprises a first moving member (221), a second moving member (222), a first rolling member (223), a second rolling member (224), and a first moving guide rod (225), the first moving member (221) and the second moving member (222) are both rotatably disposed on the contact body (21), the first rolling member (223) is rotatably disposed on the first moving member (221), the second rolling member (224) is rotatably disposed on the second moving member (222), and the first moving guide rod (225) is disposed between the first moving member (221) and the second moving member (222).
3. The closing guide device of the disconnecting switch according to claim 2, wherein the first guide assembly (22) further comprises two sliding blocks (226), one ends of the two sliding blocks (226) are respectively and rotatably connected to the first moving member (221) and the second moving member (222), and the other ends of the two sliding blocks (226) are respectively and slidably connected to the first moving guide rod (225).
4. The closing guide device of the disconnecting switch according to claim 3, wherein the first guide assembly (22) further includes a first elastic member (227), the first elastic member (227) is sleeved on the first motion guide rod (225), and two ends of the first elastic member (227) respectively abut against the two sliding blocks (226).
5. The disconnecting switch closing guide device according to claim 4, wherein the first moving part (221) and the second moving part (222) are identical in structure and symmetrically arranged on the contact body (21); the first rolling member (223) and the second rolling member (224) are identical in structure.
6. The disconnector closing guide device according to claim 2, wherein the movable contact (2) further comprises a second guide assembly (23), the second guide assembly (23) is disposed in the contact body (21), and the first moving member (221) and the second moving member (222) are both connected to the second guide assembly (23).
7. The closing guide device of the disconnecting switch according to claim 6, wherein the second guide assembly (23) includes a fixing member (231), a second motion guide rod (232), a third motion guide rod (233), and a sliding plate (234), the fixing member (231) is disposed on the contact body (21), the second motion guide rod (232) and the third motion guide rod (233) are disposed on the fixing member (231), the sliding plate (234) slidably connects the second motion guide rod (232) and the third motion guide rod (233), and the first motion member (221) and the second motion member (222) are rotatably connected to the sliding plate (234).
8. The closing guide device of the disconnecting switch according to claim 7, wherein the second guide assembly (23) further includes a second elastic member (235) and a third elastic member (236), the second elastic member (235) is sleeved on the second movement guide rod (232), two ends of the second elastic member (235) respectively abut against the fixing member (231) and the sliding plate (234), the third elastic member (236) is sleeved on the third movement guide rod (233), and two ends of the third elastic member (236) respectively abut against the fixing member (231) and the sliding plate (234).
9. The closing guide device of the disconnecting switch according to any one of claims 1 to 8, wherein the stationary contact (1) includes a housing (11), a conductive arm (12), a first contact finger (13), a second contact finger (14), a fourth elastic member (15) and a fifth elastic member, the conductive arm (12) is inserted into the housing (11), the first contact finger (13) and the second contact finger (14) are disposed in the housing (11) and are both connected to the conductive arm (12), the fourth elastic member (15) is disposed between the housing (11) and the first contact finger (13), and the fifth elastic member is disposed between the housing (11) and the second contact finger (14).
10. The closing guide device of the disconnecting switch according to claim 9, wherein the stationary contact (1) further comprises a fixing frame (16), and the fixing frame (16) is disposed between the fourth elastic member (15), the fifth elastic member and the housing (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258583.9U CN211907306U (en) | 2020-03-05 | 2020-03-05 | Closing guide device of isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258583.9U CN211907306U (en) | 2020-03-05 | 2020-03-05 | Closing guide device of isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211907306U true CN211907306U (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020258583.9U Active CN211907306U (en) | 2020-03-05 | 2020-03-05 | Closing guide device of isolating switch |
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| CN (1) | CN211907306U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713042A (en) * | 2020-12-24 | 2021-04-27 | 国家电网有限公司 | GW4 type isolating switch for reducing defect frequency of heating conductive loop |
| CN117831988A (en) * | 2024-01-29 | 2024-04-05 | 晨诺电气科技集团有限公司 | High-voltage isolating switch |
-
2020
- 2020-03-05 CN CN202020258583.9U patent/CN211907306U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713042A (en) * | 2020-12-24 | 2021-04-27 | 国家电网有限公司 | GW4 type isolating switch for reducing defect frequency of heating conductive loop |
| CN117831988A (en) * | 2024-01-29 | 2024-04-05 | 晨诺电气科技集团有限公司 | High-voltage isolating switch |
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| GR01 | Patent grant | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: HENAN PING GAO ELECTRIC Co.,Ltd. Assignor: GUIYANG BUREAU, EHV POWER TRANSMISSION COMPANY, CHINA SOUTHERN POWER GRID Co.,Ltd. Contract record no.: X2023990000280 Denomination of utility model: Disconnector closing guide device Granted publication date: 20201110 License type: Common License Record date: 20230303 |