CN112350082B - Insulation protection device - Google Patents
Insulation protection device Download PDFInfo
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- CN112350082B CN112350082B CN202011149212.8A CN202011149212A CN112350082B CN 112350082 B CN112350082 B CN 112350082B CN 202011149212 A CN202011149212 A CN 202011149212A CN 112350082 B CN112350082 B CN 112350082B
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- tube
- accommodating
- pipe
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- fastener
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/70—Insulation of connections
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Abstract
The invention belongs to the technical field of electric power overhaul equipment, and discloses an insulation protection device which comprises an accommodating pipe and a fixing mechanism, wherein the fixing mechanism comprises a guide pipe and at least two fasteners, the guide pipe is movably connected with the accommodating pipe along the axial direction of the accommodating pipe, and the fasteners are in sliding connection with the guide pipe along the direction close to or far away from the axis of the accommodating pipe. The holding pipe is used for holding the end of the wire leakage, the end part of the holding pipe can abut against the fastener and further push the fastener to slide on the guide pipe in the direction close to the axis of the holding pipe, at least two fasteners can be close to and clamp wires with different wire diameters, and the universality is improved.
Description
Technical Field
The invention relates to the technical field of electric power overhaul equipment, in particular to an insulation protection device.
Background
At present, in the electric power overhaul work, a large amount of live wiring and meter installation work exist, as shown in fig. 3, in the process of temporarily disconnecting a live phase line, constructors can temporarily insulate and shield the exposed live part of a lead 3 to prevent the electric shock casualties or short-circuit faults caused by mistakenly touching human bodies or other equipment.
Under most circumstances, constructor prevents to electrocute through twining insulating tape for exposed electrified wire, after other preparation work finishes, tears insulating tape again, accomplishes last wire work of plugging into, however, will guarantee sufficient dielectric strength, just will twine multilayer insulating tape on exposed wire surface, and repeated winding and demolition cause consuming time height and inefficiency, contact the exposed electrified body of wire again easily, have the risk of electrocuting.
In the existing insulation protection device, screws are generally additionally arranged on an insulation shell, the specifications of the devices are fixed when the devices leave a factory, only wires with corresponding specifications can be used, when the wire diameters are not consistent with the field wire diameters, difficulty is brought to maintenance work, the universality is low, and the device is not suitable for line requirements of diversity of a power distribution network.
Based on the above situation, it is desired to design an insulation protection device to solve the above problems.
Disclosure of Invention
One object of the present invention is: the utility model provides an insulation protection device to solve the wire that can't press from both sides tight different wire footpaths, and then the problem that the commonality is low.
In order to achieve the purpose, the invention adopts the following technical scheme:
an insulation protection device comprising:
the accommodating tube is used for accommodating the tail end of the lead which leaks outwards;
the fixing mechanism comprises a guide pipe and at least two fasteners, the guide pipe is movably connected with the accommodating pipe along the axial direction of the accommodating pipe, the fasteners are slidably connected with the guide pipe along the direction close to or far away from the axis of the accommodating pipe, the end part of the accommodating pipe can abut against the fasteners and push the fasteners to slide on the guide pipe towards the direction close to the axis of the accommodating pipe, and the at least two fasteners can be close to and clamp the lead.
Preferably, the guide pipe is provided with a sliding track, the fastener is connected to the sliding track in a sliding mode, and an opening of an included angle between a bus of the accommodating pipe and an extending surface of the sliding track is opposite to an axis of the accommodating pipe.
Preferably, the cross-sectional shape of the fastening piece is a triangle, at least two fastening pieces are arranged around the axle center of the guide tube, at least two fastening pieces are connected on the sliding track in a sliding mode, the first waist part of the fastening piece, which is far away from the accommodating tube, the end part of the accommodating tube can abut against the second waist part of the fastening piece, which is close to the accommodating tube, and the hole diameter of the clamping hole formed by the bottom edge parts of the fastening pieces is reduced to clamp the lead.
Optionally, the extending direction of the sliding track is the radial direction of the accommodating tube, and at least two of the fasteners are slidably connected to the sliding track away from the first waist portion of the accommodating tube, the end portion of the accommodating tube can abut against the second waist portion of at least two of the fasteners close to the accommodating tube, and the bottom edge portions of at least two of the fasteners slide along the radial direction of the accommodating tube to clamp the conducting wire.
Specifically, the fasteners slide on the sliding tracks of the guide pipes along the radial direction of the accommodating pipes, and then at least two fasteners form clamping holes with the diameter being reduced to clamp the wires, so that the clamping displacement of the fasteners is shortened, and the clamping efficiency is improved.
Preferably, the bottom edge is located on a side of the bus bar of the accommodating tube away from the guide tube.
Preferably, one of the sliding track and the fastener is provided with a T-shaped block, and the other is provided with a T-shaped groove, and the T-shaped block is embedded into the T-shaped groove.
Optionally, a limiting block is arranged at the tail end of the T-shaped groove and used for limiting the sliding limit position of the T-shaped block.
Preferably, the guide tube further comprises a support portion connected to one end of the sliding rail close to the accommodating tube, the support portion is parallel to an end face of the fastener close to one end of the accommodating tube, and the support portion can abut against one end of the fastener close to the accommodating tube.
Preferably, the guide tube is screwed with the accommodating tube along the axial direction of the accommodating tube.
Preferably, the end of the containment tube adjacent the securing mechanism is provided with an outwardly extending abutment capable of abutting the end of the fastener adjacent the containment tube.
Preferably, an end surface of the abutting portion is parallel to an end surface of the fastener near an end of the accommodating tube.
Particularly, the end part of the abutting part can be tightly attached to the end face of one end, close to the accommodating pipe, of the fastener, so that the force decomposition of the abutting part on the fastener is reduced, and the efficiency is improved.
Optionally, an included angle between a bus of the end face of the fastener close to one end of the accommodating tube and a corresponding bus of the end face of the fastener far from one end of the accommodating tube is 80-100 °.
Preferably, the end of the accommodating tube remote from the fixing mechanism is provided with an end cap.
The invention has the beneficial effects that: the utility model provides an insulation protection device, including holding pipe and fixed establishment, it is used for holding the end that the wire leaks outward to hold the pipe, fixed establishment includes stand pipe and two at least fasteners, it follows axis direction and stand pipe swing joint to hold the pipe, the tip that holds the pipe can the butt fastener and promote the fastener to slide to the direction that is close to the axle center that holds the pipe on the stand pipe, two at least fasteners can be close to the wire, and then can press from both sides the wire in different line footpaths and be fixed in holding the pipe with its end that leaks outward, the commonality is improved.
Drawings
The invention is explained in more detail below with reference to the figures and examples.
FIG. 1 is a schematic view of the insulation protection device in an unclamped state;
FIG. 2 is a schematic structural view of the insulation protection device in a wire clamping state;
fig. 3 is a schematic diagram of the electrified replacing switch of the electric meter.
In fig. 1 to 3:
1. accommodating the tube; 11. an abutting portion; 12. an end cap;
2. a fixing mechanism; 21. a guide tube; 211. a sliding track; 212. a T-shaped block; 213. a support portion; 22. a fastener; 221. a T-shaped groove; 222. a bottom edge portion;
3. and (4) conducting wires.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1, the present embodiment provides an insulation protection device, which comprises a containing tube 1 and a fixing mechanism 2, wherein the containing tube 1 is used for containing the end of a lead 3 which leaks out; the fixing mechanism 2 comprises a guide tube 21 and at least two fasteners 22, the guide tube 21 is movably connected with the accommodating tube 1 along the axial direction of the accommodating tube 1, the fasteners 22 are slidably connected with the guide tube 21 along the direction close to or far away from the axial center of the accommodating tube 1, the end part of the accommodating tube 1 can abut against the fasteners 22 and push the fasteners 22 to slide on the guide tube 21 towards the direction close to the axial center of the accommodating tube 1, and the at least two fasteners 22 can approach and clamp the lead 3. In the embodiment, at least two fasteners 22 are arranged around the axial center of the accommodating tube 1, the end of the lead 3 leaking out is placed in the accommodating tube 1, when the lead 3 is clamped, the accommodating tube 1 moves to the direction close to the fasteners 22 along the axial direction, and then the fasteners 22 can be abutted against the fasteners 22 and pushed to slide on the guide tube 21 to the direction close to the axial center of the accommodating tube 1, and the at least two fasteners 22 can be close to and clamp the lead 3 with different wire diameters so as to fix the lead 3 in the accommodating tube 1; when the conducting wire 3 is loosened, the accommodating tube 1 moves in the direction away from the fastening piece 22 along the axis direction, and then can be separated from the fastening piece 22, at least two fastening pieces 22 stop applying force to the conducting wire 3, and the conducting wire 3 can be pulled out of the accommodating tube 1 to continue maintenance work. The insulation protection device can clamp the wires 3 with different wire diameters, and the universality is improved.
In the present embodiment, the guide tube 21 is screwed to the accommodating tube 1 in the axial direction of the accommodating tube 1. The guide tube 21 is movably connected with the accommodating tube 1 through threads, the structure is simple, the relative position of the end part of the accommodating tube 1 and the fastening piece 22 can be adjusted through forward rotation or backward rotation of the guide tube 21 or the accommodating tube 1, and the operation is convenient.
In this embodiment, the end of the containment tube 1 remote from the securing mechanism 2 is provided with an end cap 12. The end cover 12 closes the end opening of the accommodating tube 1, and when the accommodating tube 1 is overhauled and cleaned, only the end cover 12 needs to be detached, so that the operation is simplified.
As shown in FIG. 2, the guide tube 21 is provided with a slide rail 211, the fastener 22 is slidably connected to the slide rail 211, and the opening of the included angle between the generatrix of the accommodating tube 1 and the extending surface of the slide rail 211 is opposite to the axis of the accommodating tube 1. In this embodiment, the cross-sectional shape of the fastening member 22 is a triangle, at least two fastening members 22 are disposed around the axis of the guiding tube 21, and at least two fastening members 22 are slidably connected to the sliding rail 211 away from the first waist portion of the accommodating tube 1, and the end portion of the accommodating tube 1 can abut against the second waist portion of at least two fastening members 22 close to the accommodating tube 1, and the diameter of the hole formed by the bottom edge portion 222 of at least two fastening members 22 is reduced to clamp the lead 3. The three fasteners 22 are arranged, the three fasteners 22 are uniformly arranged around the axis of the guide tube 21, the surfaces of the first waist part and the second waist part are fan-shaped arc surfaces, the fasteners 22 are arranged into one-third pyramids formed by rotating the triangular cross section around the axis of the guide tube 21, when the conducting wire 3 is clamped, the accommodating tube 1 can abut against the second waist part of the fastener 22 and push the fastener 22 to slide on the sliding track 211 of the guide tube 21, and the bottom edge parts 222 of the three fasteners 22 can mutually approach to form clamping holes with gradually reduced aperture diameters and clamp conducting wires 3 with different wire diameters so as to fix the conducting wires 3 in the accommodating tube 1, so that the reliability of clamping the conducting wires 3 by the fasteners 22 is improved; when the conducting wire 3 is loosened, the accommodating tube 1 moves in the direction away from the fastening piece 22 along the axis direction, and then is separated from the second waist part of the fastening piece 22, the three fastening pieces 22 stop applying force to the conducting wire 3, and the conducting wire 3 is pulled out of the accommodating tube 1, so that the overhauling work can be continued.
In the present embodiment, the bottom edge 222 is located on the side of the bus bar of the housing tube 1 away from the guide tube 21. When clamping the conducting wire 3, the accommodating tube 1 can abut against the second waist part of the fastener 22 and push the fastener 22 to slide on the sliding track 211 of the guide tube 21, and since the bottom edge part 222 is located on the side of the bus bar of the accommodating tube 1 far away from the guide tube 21, the bottom edge parts 222 of the three fasteners 22 can approach and clamp the conducting wires 3 with different wire diameters by shorter displacement, so as to fix the conducting wires 3 in the accommodating tube 1, and the efficiency of clamping the conducting wires 3 is improved.
In the present embodiment, one of the sliding track 211 and the fastening member 22 is mounted with a T-shaped block 212, and the other is provided with a T-shaped groove 221, and the T-shaped block 212 is embedded in the T-shaped groove 221. The T-shaped block 212 is installed on the sliding track 211, the T-shaped groove 221 is formed in the fastening piece 22, and the limiting block is arranged at the tail end of the T-shaped groove 221. When the fastener 22 slides on the sliding track 211 relative to the guide tube 21, the T-shaped block 212 of the sliding track 211 slides synchronously in the T-shaped groove 221 of the fastener 22, so that the fastener 22 can be positioned and guided in a sliding manner, and the fastener 22 can be limited once by the limiting block, thereby improving reliability.
As shown in fig. 2, the guide tube 21 further includes a support portion 213, the support portion 213 is connected to one end of the slide rail 211 near the accommodating tube 1, the support portion 213 is parallel to an end surface of the fastener 22 near one end of the accommodating tube 1, and the support portion 213 can abut against one end of the fastener 22 near the accommodating tube 1. When the lead 3 is loosened, the accommodating tube 1 moves in the direction away from the fastening part 22 along the axial direction, so that the accommodating tube can be separated from the fastening part 22, at least two fastening parts 22 slide in the direction close to the supporting part 213 until the supporting part 213 is abutted, so that the force application to the lead 3 is stopped, the supporting part 213 can limit the fastening parts 22 for the second time, and the reliability is improved.
One end of the containment tube 1 near the fixing mechanism 2 is provided with an outwardly extending abutment 11, the abutment 11 being capable of abutting one end of the fastener 22 near the containment tube 1. The end face of the abutment 11 is parallel to the end face of the fastener 22 near the end of the accommodating tube 1. When the conducting wire 3 is clamped, the abutting part 11 of the accommodating tube 1 can cling to the fastener 22 and push the fastener 22 to slide on the guide tube 21 in the direction close to the conducting wire 3, the component force of the accommodating tube 1 acting on the fastener 22 in other directions is reduced, and then the three fasteners 22 can clamp the conducting wires 3 with different wire diameters so as to fix the conducting wires 3 in the accommodating tube 1, and the efficiency is improved. In this embodiment, an included angle between a bus of the end surface of the fastener 22 close to one end of the accommodating tube 1 and a corresponding bus of the end surface of the fastener 22 far from one end of the accommodating tube 1 is 90 °, and a direction of a force applied to the fastener 22 by the accommodating tube 1 is the same as a sliding direction of the fastener 22, so that sliding resistance of the fastener 22 is reduced, and reliability is improved.
In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (8)
1. An insulation protection device, comprising:
the accommodating tube (1) is used for accommodating the end of the lead (3) which leaks outwards;
the fixing mechanism (2) comprises a guide pipe (21) and at least two fasteners (22), the guide pipe (21) is movably connected with the accommodating pipe (1) along the axial direction of the accommodating pipe (1), the fasteners (22) are slidably connected with the guide pipe (21) along the direction close to or far away from the axial center of the accommodating pipe (1), the end part of the accommodating pipe (1) can abut against the fasteners (22) and push the fasteners (22) to slide on the guide pipe (21) towards the direction close to the axial center of the accommodating pipe (1), and at least two fasteners (22) can approach and clamp the lead (3);
the guide tube (21) is provided with a sliding track (211), the fastener (22) is connected to the sliding track (211) in a sliding mode, and an opening of an included angle between a bus of the accommodating tube (1) and an extending surface of the sliding track (211) is opposite to the axis of the accommodating tube (1);
the cross-sectional pattern of the fastening piece (22) is a triangle, at least two fastening pieces (22) are arranged around the axle center of the guide tube (21), at least two fastening pieces (22) are connected on the sliding track (211) in a sliding way away from the first waist part of the accommodating tube (1), the end part of the accommodating tube (1) can abut against the second waist part of at least two fastening pieces (22) close to the accommodating tube (1), and the aperture of the bottom edge part (222) of at least two fastening pieces (22) forming a clamping hole is reduced to clamp the lead (3).
2. The insulation protection device according to claim 1, characterized in that said bottom edge portion (222) is located on the side of the generatrix of the containment tube (1) remote from the guide tube (21).
3. The insulation protection device according to claim 1, characterized in that one of the sliding rail (211) and the fastening member (22) is provided with a T-shaped block (212) and the other is provided with a T-shaped groove (221), and the T-shaped block (212) is embedded into the T-shaped groove (221).
4. The insulation protection device according to claim 1, characterized in that the guide tube (21) further comprises a support portion (213), the support portion (213) is connected to one end of the sliding rail (211) close to the accommodating tube (1), the support portion (213) is parallel to an end face of the fastener (22) close to one end of the accommodating tube (1), and the support portion (213) can abut against one end of the fastener (22) close to the accommodating tube (1).
5. The insulation protection device according to claim 1, characterized in that the guide tube (21) is screwed to the accommodating tube (1) in the axial direction of the accommodating tube (1).
6. The insulation protection device according to claim 1, characterized in that the end of the containment tube (1) close to the fixing means (2) is provided with an extended abutment (11), said abutment (11) being able to abut against the end of the fastener (22) close to the containment tube (1).
7. The insulation protection device according to claim 6, characterized in that the end face of the abutment (11) is parallel to the end face of the fastener (22) near the end of the containment tube (1).
8. Insulation protection device according to claim 1, characterized in that the end of the containment tube (1) remote from the fixing means (2) is provided with an end cap (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011149212.8A CN112350082B (en) | 2020-10-23 | 2020-10-23 | Insulation protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011149212.8A CN112350082B (en) | 2020-10-23 | 2020-10-23 | Insulation protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112350082A CN112350082A (en) | 2021-02-09 |
| CN112350082B true CN112350082B (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011149212.8A Active CN112350082B (en) | 2020-10-23 | 2020-10-23 | Insulation protection device |
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| CN (1) | CN112350082B (en) |
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| CN111525474A (en) * | 2020-05-28 | 2020-08-11 | 广东电网有限责任公司清远供电局 | Low-voltage wire insulation protective sleeve |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768845B (en) * | 2017-10-17 | 2018-09-04 | 郑贝贝 | A kind of cable plug |
| CN209071617U (en) * | 2018-12-17 | 2019-07-05 | 北京嘉洁能科技股份有限公司 | Carbon fiber and plain conductor connector |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2696455A2 (en) * | 2012-08-08 | 2014-02-12 | Maximillian Rüttiger | Cable hose |
| CN104716606A (en) * | 2013-12-17 | 2015-06-17 | 国家电网公司 | Cable head protecting device |
| CN204668800U (en) * | 2015-06-15 | 2015-09-23 | 国网山东章丘市供电公司 | cable insulating protective sleeve |
| CN105186409A (en) * | 2015-09-08 | 2015-12-23 | 国网山东省电力公司枣庄供电公司 | Anti-electric shock protective jacket of meter box wiring |
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| CN112350082A (en) | 2021-02-09 |
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