CN112447437B - Knife switch operating rod used in compact space - Google Patents
Knife switch operating rod used in compact space Download PDFInfo
- Publication number
- CN112447437B CN112447437B CN202011428400.4A CN202011428400A CN112447437B CN 112447437 B CN112447437 B CN 112447437B CN 202011428400 A CN202011428400 A CN 202011428400A CN 112447437 B CN112447437 B CN 112447437B
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- Prior art keywords
- plum blossom
- sleeve
- rod
- extension
- boss
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/54—Lever switches with blade-type contact co-operating with one or two spring-clip contacts, e.g. knife switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention provides a knife switch operating rod used in a compact space, which comprises a connecting sleeve, a quincuncial sleeve, a first screw, a connecting rod, an outer quincuncial boss and a nut; the outer plum blossom boss is vertically welded on the circumferential surface of one end of the connecting rod, a first through hole is formed in the position penetrating through the axis of the outer plum blossom boss, and the first through hole penetrates through the connecting rod; the plum blossom sleeve is matched with the outer plum blossom boss and is vertically welded on the circumferential surface of the connecting sleeve; the first screw rod is arranged at the axis of the plum blossom sleeve, the first screw rod penetrates through the first through hole and extends out of the connecting rod, the plum blossom sleeve is matched with the outer plum blossom boss, and the nut locks the first screw rod. The locking of the connecting rod and the plum blossom sleeve is realized through the first screw rod and the nut, the adjustment of the use angle of the operating rod is realized through the plum blossom sleeve and the outer plum blossom boss, and the operating rod is connected with the disconnecting link handle through the connecting sleeve. The invention is not limited by angle when used in compact space, has large operating moment and solves the defects that the disconnecting link can not be operated in compact space or the operating effect is poor.
Description
Technical Field
The invention relates to the technical field of disconnecting links of transformer substations, in particular to a disconnecting link operating rod used in a compact space.
Background
At present, a part of open-type transformer substations are provided with outdoor manually-operated pull-type disconnecting links and grounding switch equipment. Because the outdoor knife switch and the ground knife are operated in outdoor severe environment for a long time, the mechanisms of the outdoor knife switch and the ground knife have the phenomena of oxidation, rust death and the like with different degrees, and the clamping stagnation conditions of 'no movement, insufficient force' and the like during operation are caused in the actual work of operators. The convenience of actual operation is not considered at the beginning of the design of part of old type disconnecting links, and the problems of short and small design of an operating handle, small reserved operating space and the like exist. The combination of the above problems causes the problems of difficult output, poor man-machine work efficiency, improper operation, incapability of being operated by more powerful and small persons and the like when field operators manually operate the outdoor disconnecting link and the grounding switch, and certain personal and power grid risks exist while the operation progress is influenced.
Chinese patent CN109038325a published in 2018, 6, month and 22 discloses an operating rod of a telescopic multifunctional ground disconnecting link of a transformer substation, which comprises an operating pin, a telescopic rod and an operating pin limiting component; the telescopic rod comprises a base rod, a movable rod and a telescopic position limiting component, the base rod is hollow, and the movable rod can contract towards the inside of the base rod; the movable rod is hollow, and the operating pin sets up in the telescopic link top, can contract completely inside into the telescopic link. The invention can realize that the same operating rod can simultaneously meet the requirements of concave and convex ground knife operating handles; the two-section telescopic design can be used for rapidly extending when in use, and can be used for retracting the operating rod in a large size when not in work, so that the space required for storing the operating rod is reduced; each part of the operating rod is limited by a limiting device, so that the loss of parts caused by mutual independence is avoided; the quick lock device between the base rod and the movable rod of the telescopic rod can quickly adjust the length of the operating rod, but the quick lock device has poor effect when the knife brake is operated in a compact space.
Disclosure of Invention
The invention provides a knife switch operating rod used in a compact space, aiming at overcoming the defects that the knife switch in the prior art cannot be operated in the compact space or has poor operation effect.
The technical scheme of the invention is as follows:
the invention provides a knife switch operating rod used in a compact space, which comprises a connecting sleeve, a quincuncial sleeve, a first screw, a connecting rod, an outer quincuncial boss and a nut;
the outer plum blossom boss is vertically welded on the circumferential surface of one end of the connecting rod;
the operating rod is provided with a first through hole, and the first through hole penetrates through the axis of the outer plum blossom boss and the diameter of the connecting rod;
the plum blossom sleeve is matched with the outer plum blossom boss, and the plum blossom sleeve is vertically welded on the circumferential surface of the connecting sleeve;
the plum blossom sleeve is characterized in that a first screw rod is arranged at the axis of the plum blossom sleeve, the first screw rod penetrates through the first through hole and extends out of the connecting rod, the plum blossom sleeve is matched with the outer plum blossom boss, and the first screw rod is locked by the nut.
During the use, stretch out first screw rod from the connecting rod through first through-hole, the angle that adjustment plum blossom sleeve and outer plum blossom boss match, the connection of plum blossom sleeve and connecting rod is realized to the first screw rod of nut locking, is connected connecting sleeve and switch handle after the equipment is accomplished, operates the switch handle.
Preferably, the connecting sleeve is provided with a first threaded hole, the first threaded hole is provided with a butterfly bolt, and when the connecting sleeve is sleeved on the disconnecting link handle, the butterfly bolt is screwed into the first threaded hole to lock the disconnecting link handle.
Preferably, a groove is arranged on the end face of at least one end of the connecting sleeve, and the groove is arranged at the diameter of the end face of the connecting sleeve;
the connecting sleeve is sleeved on the disconnecting link handle, and the groove is used for fixing the wing-shaped structure on the disconnecting link handle.
Preferably, the number of the grooves is at least 1.
Preferably, the operating rod further comprises an extension rod; the extension rod is provided with an internal thread end and an external thread end; the inner thread end is provided with an inner thread matched with the first screw rod, and the outer thread end is provided with an outer thread matched with the nut;
the extension rod internal thread end is connected with first screw rod earlier, and extension rod external thread end passes first through-hole and stretches out from the connecting rod, realizes the locking of extension rod and connecting rod through the nut.
Preferably, the number of the extension rods is at least 1.
Preferably, the operating rod further comprises an extended quincuncial sleeve; the extension plum blossom sleeve is matched with the outer plum blossom boss;
an outer plum blossom structure is arranged at one end of the extension plum blossom sleeve and matched with the plum blossom sleeve;
after the extension rod penetrates through the extension quincuncial sleeve, the inner thread end of the extension rod is connected with the first screw, an outer quincuncial structure of the extension quincuncial sleeve is matched with the quincuncial sleeve, the outer thread end of the extension rod penetrates through the first through hole to extend out of the connecting rod, the extension quincuncial sleeve is matched with the outer quincuncial boss, and the connecting rod and the extension quincuncial sleeve are locked through the nut.
Preferably, the number of the extension quincuncial sleeves is equal to that of the extension rods.
Preferably, the material of the operating rods is 304 stainless steel.
Preferably, the operating rod further comprises a coating sponge layer, the coating sponge layer is sleeved on the connecting rod, and the surface friction force of the connecting rod is increased in a humid environment.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
the invention is connected with the disconnecting link handle through the connecting sleeve, realizes the locking of the connecting rod and the plum blossom sleeve through the first screw rod and the nut, and realizes the adjustment of the use angle of the operating rod through the plum blossom sleeve and the outer plum blossom boss. The invention is not limited by angle when used in a compact space, has large operation torque, and solves the defects that the disconnecting link can not be operated in the compact space or the operation effect is poor.
Drawings
FIG. 1 is a front view of a blade operating lever for use in a compact space according to embodiment 1;
FIG. 2 is an assembled configuration view of a knife switch operating lever for use in a compact space according to embodiment 1;
FIG. 3 is a front view of the knife switch operating lever for compact space in accordance with embodiment 2;
FIG. 4 is an assembled configuration view of the knife switch operating lever for a compact space according to embodiment 2;
in the figure: 1-connecting sleeve, 2-plum blossom sleeve, 3-first screw, 4-connecting rod, 5-outer plum blossom boss, 6-nut, 7-butterfly bolt, 8-extension rod, 9-extension plum blossom sleeve and 10-cladding sponge layer.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example 1
The embodiment provides a knife switch operating rod used in a compact space, as shown in fig. 1 and 2, the operating rod comprises a connecting sleeve 1, a quincuncial sleeve 2, a first screw 3, a connecting rod 4, an outer quincuncial boss 5 and a nut 6;
the outer plum blossom boss 5 is vertically welded on the circumferential surface of one end of the connecting rod 4;
the operating rod is provided with a first through hole, and the first through hole penetrates through the axis of the outer plum blossom-shaped boss 5 and the diameter of the connecting rod 4;
the plum blossom sleeve 2 is matched with the outer plum blossom boss 5, and the plum blossom sleeve 2 is vertically welded on the circumferential surface of the connecting sleeve 1;
the axle center of the plum blossom sleeve 2 is provided with a first screw rod 3, the first screw rod 3 penetrates through a first through hole and extends out of a connecting rod 4, the plum blossom sleeve 2 is matched with an outer plum blossom boss 5, and a nut 6 locks the first screw rod 3.
In the actual operation process, stretch out first screw rod 3 from connecting rod 4 through first through-hole, the angle that adjustment plum blossom sleeve 2 and outer plum blossom boss 5 match, the connection of plum blossom sleeve 2 and connecting rod 4 is realized to first screw rod 3 of nut 6 locking, assembles the back and is connected connecting sleeve 1 and switch handle, operates the switch handle. The embodiment is not limited by an angle when used in a compact space, has large operating torque, and overcomes the defect that the disconnecting link cannot be operated or has poor operating effect in the compact space.
Example 2
The embodiment provides a knife switch operating rod used in a compact space, as shown in fig. 3 and 4, the operating rod comprises a connecting sleeve 1, a quincuncial sleeve 2, a first screw 3, a connecting rod 4, an outer quincuncial boss 5 and a nut 6;
the outer plum blossom boss 5 is vertically welded on the circumferential surface of one end of the connecting rod 4;
the operating rod is provided with a first through hole, and the first through hole penetrates through the axis of the outer plum blossom-shaped boss 5 and the diameter of the connecting rod 4;
the plum blossom sleeve 2 is matched with the outer plum blossom boss 5, and the plum blossom sleeve 2 is vertically welded on the circumferential surface of the connecting sleeve 1;
the axle center of the plum blossom sleeve 2 is provided with a first screw rod 3, the first screw rod 3 penetrates through a first through hole and extends out of a connecting rod 4, the plum blossom sleeve 2 is matched with an outer plum blossom boss 5, and a nut 6 locks the first screw rod 3.
The nut 6 is a butterfly nut.
The connecting sleeve 1 is provided with a first threaded hole, the first threaded hole is provided with a butterfly bolt 7, and when the connecting sleeve 1 is sleeved on the disconnecting link handle, the butterfly bolt 7 is screwed into the first threaded hole to lock the disconnecting link handle.
A groove is arranged on the end face of at least one end of the connecting sleeve 1, and the groove is arranged at the diameter position of the end face of the connecting sleeve 1;
the connecting sleeve 1 is sleeved on the disconnecting link handle, and the groove is used for fixing the wing-shaped structure on the disconnecting link handle.
The number of the grooves is at least 1. In this embodiment, the number of grooves is 2.
The operating rod further comprises an extension rod 8; the extension rod 8 is provided with an internal thread end and an external thread end; the inner thread end is provided with an inner thread matched with the first screw rod 3, and the outer thread end is provided with an outer thread matched with the nut 6; the internal thread and the external thread can also be matched with each other;
the internal thread end of the extension rod 8 is connected with the first screw rod 3, the external thread end of the extension rod 8 penetrates through the first through hole to extend out of the connecting rod 4, and the nut 6 locks the extension rod 8.
The number of the extension rods is at least 1. In this embodiment, the number of the extension rods is 1.
The operating rod further comprises an extended plum blossom sleeve 9; the extension plum blossom sleeve 9 is matched with the outer plum blossom boss 5;
an outer plum blossom structure is arranged at one end of the extension plum blossom sleeve 9 and matched with the plum blossom sleeve 2;
The number of the extension plum blossom sleeves 9 is equal to that of the extension rods 8.
The material of the operating rod is 304 stainless steel.
The operating rod further comprises a coating sponge layer 10, the coating sponge layer 10 is sleeved on the connecting rod 4, and the surface friction force of the connecting rod 4 is increased in a humid environment.
In the actual operation process, the extension rod 8 penetrates through the extension plum blossom sleeve 9, then the inner thread end of the extension rod 8 is connected with the first screw rod 3, and the outer plum blossom structure of the extension plum blossom sleeve 9 is matched with the plum blossom sleeve 2; the external thread end of the extension rod 8 extends out of the connecting rod 4 through the first through hole, the matching angle of the extension plum blossom sleeve 9 and the external plum blossom boss 5 is adjusted, and the nut 6 locks the extension rod 8 to realize the connection of the connecting rod 4 and the extension plum blossom sleeve 9; after the assembly is finished, the connecting sleeve 1 is connected with the disconnecting link handle, the groove in the end face of the connecting sleeve 1 fixes the wing-shaped structure on the disconnecting link handle, and the butterfly bolt 7 is screwed into the first threaded hole to lock the disconnecting link handle, so that the stability of the connection between the operating rod and the disconnecting link handle is enhanced; the coating sponge layer 10 is sleeved on the connecting rod 4, and the surface friction force of the connecting rod 4 is increased in a humid environment. The embodiment is not limited by an angle when used in a compact space, has large operating torque, and overcomes the defect that the disconnecting link cannot be operated or has poor operating effect in the compact space.
The same or similar reference numerals correspond to the same or similar parts;
the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;
it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. The knife switch operating rod used in a compact space is characterized by comprising a connecting sleeve (1), a plum blossom sleeve (2), a first screw (3), a connecting rod (4), an outer plum blossom boss (5) and a nut (6);
the outer plum blossom boss (5) is vertically welded on the circumferential surface of one end of the connecting rod (4);
the operating rod is provided with a first through hole, and the first through hole penetrates through the axis of the outer plum blossom boss (5) and the diameter of the connecting rod (4);
the plum blossom sleeve (2) is matched with the outer plum blossom boss (5), and the plum blossom sleeve (2) is vertically welded on the circumferential surface of the connecting sleeve (1);
a first screw (3) is arranged at the axis of the plum blossom sleeve (2), the first screw (3) penetrates through the first through hole and extends out of the connecting rod (4), the plum blossom sleeve (2) is matched with the outer plum blossom boss (5), and the nut (6) locks the first screw (3);
the end face of at least one end of the connecting sleeve (1) is provided with a groove, and the groove is formed in the diameter of the end face of the connecting sleeve (1);
the connecting sleeve (1) is sleeved on the disconnecting link handle, and the groove is used for fixing the wing-shaped structure on the disconnecting link handle.
2. Knife switch operating rod for compact spaces according to claim 1, characterized in that the connecting sleeve (1) is provided with a first threaded hole, on which the butterfly bolt (7) is provided, and when the connecting sleeve (1) is fitted over the knife switch handle, the butterfly bolt (7) is screwed into the first threaded hole to lock the knife switch handle.
3. The blade-switch operating lever for compact spaces according to claim 1, wherein the number of the grooves is at least 1.
4. A blade-switch operating lever for compact spaces according to claim 3, characterized in that it further comprises an extension rod (8); the extension rod (8) is provided with an internal thread end and an external thread end; the inner thread end is provided with an inner thread matched with the first screw (3), and the outer thread end is provided with an outer thread matched with the nut (6);
extension rod (8) internal thread end is connected with first screw rod (3) earlier, and extension rod (8) external thread end passes first through-hole and stretches out from connecting rod (4), realizes the locking of extension rod (8) and connecting rod (4) through nut (6).
5. The knife-switch operating lever for compact spaces according to claim 4, wherein the number of the extension rods is at least 1.
6. Knife-switch operating lever for compact spaces according to claim 5, characterized in that it further comprises an elongated tulip sleeve (9); the extension plum blossom sleeve (9) is matched with the outer plum blossom boss (5);
an outer plum blossom structure is arranged at one end of the extension plum blossom sleeve (9), and the outer plum blossom structure is matched with the plum blossom sleeve (2);
extension pole (8) pass extension plum blossom sleeve (9) back, extension pole (8) internal thread end is connected with first screw rod (3), and the outer plum blossom structure and plum blossom sleeve (2) of extension plum blossom sleeve (9) match, and extension pole (8) external thread end passes first through-hole and stretches out from connecting rod (4), and extension plum blossom sleeve (9) match with outer plum blossom boss (5), realizes the locking of connecting rod (4) and extension plum blossom sleeve (9) through nut (6).
7. Knife-switch operating lever for compact spaces according to claim 6, characterised in that the number of extension tulip sleeves (9) is equal to the number of extension rods (8).
8. The knife-switch operating rod for compact spaces of claim 7, wherein the material of the operating rod is 304 stainless steel.
9. Knife-switch operating lever for compact spaces according to claim 8, characterized in that it further comprises a covering sponge layer (10), said covering sponge layer (10) being fitted over the connecting rod (4) to increase the friction of the surface of the connecting rod (4) in humid conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011428400.4A CN112447437B (en) | 2020-12-09 | 2020-12-09 | Knife switch operating rod used in compact space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011428400.4A CN112447437B (en) | 2020-12-09 | 2020-12-09 | Knife switch operating rod used in compact space |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112447437A CN112447437A (en) | 2021-03-05 |
| CN112447437B true CN112447437B (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011428400.4A Active CN112447437B (en) | 2020-12-09 | 2020-12-09 | Knife switch operating rod used in compact space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112447437B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08185769A (en) * | 1994-12-28 | 1996-07-16 | Nissin Electric Co Ltd | Operation unit for switchgear |
| US6872023B2 (en) * | 2003-03-17 | 2005-03-29 | Tsun-Chi Liao | Structure of steplessly adjusting angle for a cymbal |
| CN207233601U (en) * | 2017-07-31 | 2018-04-13 | 国网山东省电力公司郓城县供电公司 | A kind of Multi-function rod for pulling off switch |
| CN208142038U (en) * | 2018-05-09 | 2018-11-23 | 广东电网有限责任公司 | It is a kind of for operating the distribution box operation stick of electric brake |
| CN110729141B (en) * | 2019-10-25 | 2022-07-01 | 湖北鄂电萃宇电器有限公司 | High-voltage cabinet circuit breaker opening and closing operating rod device and installation method thereof |
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2020
- 2020-12-09 CN CN202011428400.4A patent/CN112447437B/en active Active
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| CN112447437A (en) | 2021-03-05 |
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