A high voltage cable connection device and method
By using rotating parts and rubber ring combinations and conductive sleeve design in high-voltage cable wiring devices, the problem of unreliable connection caused by insufficient cable length is solved, and the cable is firmly fixed and reliable connection is achieved to avoid leakage accidents.
Patent Information
- Application Number
- CN202111121629.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-09-24
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2041-09-24
AI Technical Summary
During power construction, the cable wires are often not long enough during laying, resulting in unreliable connections and prone to leakage or grounding accidents. The prior art is difficult to effectively solve the reliability and rapidity of high-voltage cable connections.
A high-voltage cable wiring device is designed, using a combination of rotating members and rubber rings. The rubber ring is squeezed by rotating rotating members to shrink radially, tighten the cable wire, and realize the inner core of the cable through conductive sleeves and conductive holes. The close contact of the conductive holes, combined with the spring post, provides elastic support, ensuring the fixation and connection reliability of the cable.
The cable is tightened by extruding the rubber ring through the rotating member, which ensures the firm fixation of the cable. The conical design of the conductive hole ensures full contact between the inner core of the cable and the conductive hole, improves the reliability of the connection, and avoids leakage and grounding. ACCIDENT.
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Figure CN113823930B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of electric power equipment, and in particular to a high voltage cable connection device and method. Background Art
[0002] During the power construction process, a cable often needs to be laid over a long distance. The cables are wound on cable reels when leaving the factory. During the laying process, one cable is often not long enough. At this time, two cables need to be connected to ensure the reliability of the power transmission project. In order to ensure that the two cables are connected reliably and quickly and avoid accidents such as leakage and grounding, it is necessary to develop a high-voltage cable wiring device. Summary of the invention
[0003] The purpose of the present invention is to provide a high-voltage cable connection device and method to address the defects in the prior art.
[0004] The first object of the present disclosure is to provide a high voltage cable connection device, which adopts the following technical solutions:
[0005] The invention comprises a wiring device body, wherein the wiring device body is provided with a first through hole passing through both ends thereof, and fixing parts are provided at both ends of the first through hole, and the fixing parts comprise a rotating member and a rubber ring, and the outer wall of the rotating member is connected to the inner wall of the first through hole by threads, and the rotating member is provided with a second through hole passing through both ends thereof, and the rubber ring is arranged in the second through hole, and the connecting part is arranged between the two fixing parts, and the cables respectively pass through the fixing parts and are connected by the connecting part.
[0006] Furthermore, the second through hole is configured to be a truncated cone with different diameters on both sides, and the rubber ring is configured to be a truncated cone that matches the second through hole, so that the rubber ring can be placed in the second through hole and fit tightly against the inner wall of the second through hole, and when the rotating member is rotated, the rotating member can squeeze the rubber ring.
[0007] Furthermore, the rubber ring is provided with a plurality of extrusion blocks around its periphery, and a gap is provided between two adjacent extrusion blocks. When the rotating member extrudes the rubber ring, the rubber ring can be deformed in the direction of the gap, so that the rubber ring presses the cable.
[0008] Furthermore, the connecting portion includes a preform and a conductive column, the preform is a cylinder, the outer cylindrical surface of which is in contact with the inner wall of the first through hole, a fixing groove is provided in the preform, and the conductive column is arranged in the fixing groove.
[0009] Furthermore, the fixing groove passes through the preform, so as to facilitate placing the conductive column into the preform.
[0010] Furthermore, the outer wall of the conductive column is covered with a cable protection layer to protect the conductive column from corrosion and increase the service life of the conductive column.
[0011] Furthermore, the connecting portion further comprises a conductive sleeve, fixing holes are provided on both sides of the conductive column, and the fixing holes are threadedly connected to one end of the conductive sleeve.
[0012] Furthermore, a conductive hole is provided at the other end of the conductive sleeve, and the inner core of the cable can be inserted into the conductive hole. The conductive hole is arranged in a cone shape so that the inner core of the cable is in full contact with the conductive hole.
[0013] Furthermore, a spring column is provided between the fixing portion and the connecting portion, and the spring column is connected to the rubber ring to provide elastic force for the rubber ring.
[0014] A second object of the present disclosure is to provide a high voltage cable wiring method, using the high voltage cable wiring device as described above;
[0015] The following steps are involved:
[0016] First, pass the cable through the rotating part and the rubber ring in sequence, then insert the inner core of the cable into the conductive hole of the conductive sleeve, rotate the rotating part to drive the rubber ring to move into the first through hole, and continue to rotate the rotating part until the rotating part cannot rotate, thereby fixing the cable.
[0017] When the rotating member is rotated, the rotating member moves toward the inside of the first through hole and squeezes the rubber ring, so that the rubber ring presses the cable and follows the rotating member to move toward the inside of the first through hole. Since the inner wall of the conductive hole is conical, the inner core of the cable moves further into the conductive hole under the push of the rotating member, thereby achieving close contact between the inner core of the cable and the inner wall of the conductive hole. Finally, the rotating member is tightened to fix the cable relative to the first through hole.
[0018] Compared with the prior art, the present invention has the following advantages:
[0019] The present invention provides a rotating member and a rubber ring. The rotating member squeezes the rubber ring during rotation, causing the rubber ring to contract radially, thereby pressing the cable and ensuring the reliability of fixing the cable.
[0020] The present invention provides a conical conductive hole on the conductive sleeve, so that the cable can be further moved into the conductive hole under the push of the rotating member, so that the inner core of the cable is fully in contact with the conductive hole, thereby ensuring the reliability of the connection. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] The accompanying drawings constituting a part of the present disclosure are used to provide a further understanding of the present disclosure. The illustrative embodiments of the present disclosure and their descriptions are used to explain the present disclosure and do not constitute an improper limitation on the present disclosure.
[0022] Figure 1 is a cross-sectional view of the wiring device in Embodiments 1 and 2 of the present disclosure;
[0023] Figure 2 for Figure 1 Enlarged view of part A in the middle;
[0024] Figure 3 This is a schematic diagram of the rubber ring structure in Examples 1 and 2 of the present disclosure;
[0025] Among them, 1. first through hole; 2. rotating part; 3. rubber ring; 4. second through hole; 5. third through hole; 6. prefabricated part; 7. conductive column; 8. cable protective layer; 9. conductive sleeve; 10. conductive hole; 11. spring column; 12. extrusion block. DETAILED DESCRIPTION
[0026] It should be noted that the following detailed descriptions are illustrative and intended to provide further explanation of the present disclosure. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present disclosure belongs.
[0027] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present disclosure. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "include" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or their combinations;
[0028] For the convenience of description, if the words "up", "down", "left" and "right" appear in the present disclosure, they only indicate that they are consistent with the up, down, left and right directions of the drawings themselves, and do not limit the structure. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present disclosure.
[0029] Example 1
[0030] In a typical embodiment of the present disclosure, Figure 1-Figure 2 As shown, a high voltage cable connection device is proposed.
[0031] A high-voltage cable wiring device, comprising: a wiring device body, a fixing part, and a connecting part, wherein the wiring device body is provided with a first through hole 1 penetrating through its two end faces, and the fixing parts are two, respectively provided at the two ends of the first through hole. The fixing part comprises a rotating member 2 and a rubber ring 3, wherein the outer wall of the rotating member is connected to the inner wall of the first through hole by threads, and the fixing part is provided with a second through hole 4 penetrating through its two ends, wherein the second through hole is a truncated cone with an outer diameter smaller than an inner diameter, and a rubber ring is provided inside the second through hole, wherein the rubber ring is a truncated cone so that it can be placed in the second through hole and can be close to the inner wall of the second through hole, and the rubber ring is provided with a third through hole 5 through which a cable can pass, and the third through hole is contracted radially to compress the cable by rotating the rotating member to move and squeeze the rubber ring, thereby achieving the clamping of the cable.
[0032] The rubber ring is provided with a plurality of extrusion blocks 12 around its periphery, with a gap between two adjacent extrusion blocks. When the rotating member rotates and extrudes the rubber ring, the rubber ring can deform into the gap, so that the inner wall of the rubber ring fits the cable, thereby achieving compression of the cable.
[0033] The connecting part is placed inside the first through hole and between the two fixing parts. The connecting part includes a preform 6, a conductive column 7, and a conductive sleeve 9. The preform is a cylinder, and its outer cylindrical surface is in contact with the inner wall of the first through hole. The preform is provided with a fixing groove running through both ends thereof, and a conductive column is provided in the fixing groove. The outer wall of the conductive column is covered with a cable protective layer 8. Fixed holes are provided at both ends of the conductive column, and the fixing hole is threadedly connected to one end of the conductive sleeve. A conductive hole 10 is provided at the other end of the conductive sleeve. The cable core can be inserted into the conductive hole. The conductive hole is conically arranged, so that the inserted cable core can fully contact the inner wall of the conductive hole, so that the conductive sleeve can clamp the cable core.
[0034] A spring column 11 is arranged between the fixing portion and the connecting portion, and two ends of the spring column are fixedly connected to the rubber ring and the prefabricated component respectively.
[0035] Example 2
[0036] In another typical embodiment of the present disclosure, Figure 1-Figure 2 As shown, a high-voltage cable wiring method is provided, using the high-voltage cable wiring device as described in Example 1.
[0037] The following steps are involved:
[0038] First, pass the cable through the rotating part 2 and the rubber ring 3 in sequence, then insert the inner core of the cable into the conductive hole 10 of the conductive sleeve 9, rotate the rotating part to drive the rubber ring to move into the first through hole 1, and continue to rotate the rotating part until the rotating part cannot rotate, thereby fixing the cable.
[0039] When the rotating member is rotated, the rotating member moves toward the inside of the first through hole and squeezes the rubber ring, so that the rubber ring presses the cable and follows the rotating member to move toward the inside of the first through hole. Since the inner wall of the conductive hole is conical, the inner core of the cable moves further into the conductive hole under the push of the rotating member, thereby achieving close contact between the inner core of the cable and the inner wall of the conductive hole. Finally, the rotating member is tightened to fix the cable relative to the first through hole.
[0040] The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure. For those skilled in the art, the present disclosure may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present disclosure shall be included in the protection scope of the present disclosure.
Claims
1. A high voltage cable connection device, characterized in that: The wiring device body is provided with a first through hole passing through both ends thereof, and fixing parts are provided at both ends of the first through hole, and the fixing parts include a rotating member and a rubber ring, and the outer wall of the rotating member is connected to the inner wall of the first through hole by threads, and the rotating member is provided with a second through hole passing through both ends thereof, and the rubber ring is provided in the second through hole, and a connecting part is provided between the two fixing parts, and two cables pass through the two fixing parts respectively and are connected through the connecting part; The circumference of the rubber ring is provided with a plurality of extrusion blocks, and there is a gap between two adjacent extrusion blocks, and the inner wall of the rubber ring is in contact with the cable line; The connecting part includes a preform and a conductive column, the preform is a cylinder, the outer cylindrical surface of which is in contact with the inner wall of the first through hole, a fixing groove is provided in the preform, the conductive column is arranged in the fixing groove, and also includes a conductive sleeve, fixing holes are provided on both sides of the conductive column, and the fixing holes are threadedly connected to one end of the conductive sleeve; The other end of the conductive sleeve is provided with a conductive hole, the inner core of the cable can be inserted into the conductive hole, and the conductive hole is arranged in a conical shape, so that the inner core of the cable can fully contact with the conductive hole; The fixing grooves run through both ends of the preform, making it convenient to place the conductive column inside the preform; A spring column is arranged between the fixing portion and the connecting portion, and two ends of the spring column are fixedly connected to the rubber ring and the prefabricated component respectively.
2. A high voltage cable connection device as claimed in claim 1, characterized in that: The second through hole is configured to be a truncated cone with different diameters at both ends, and the rubber ring is configured to be a truncated cone that matches the second through hole, so that the rubber ring can be placed in the second through hole and fit tightly against the inner wall of the second through hole.
3. A high voltage cable connection device according to claim 1, characterized in that: The outer wall of the conductive column is covered with a cable protection layer.
4. A high-voltage cable connection method, using the high-voltage cable connection device according to any one of claims 1 to 3, characterized in that: The following steps are involved: First, pass the cable through the rotating part and the rubber ring in sequence, then insert the inner core of the cable into the conductive hole of the conductive sleeve, rotate the rotating part to drive the rubber ring to move into the first through hole, and continue to rotate the rotating part until the rotating part cannot rotate, thereby fixing the cable.
Citation Information
Patent Citations
Electric wire joint
CN111478068A
Cable connector
CN203760691U
Independent high tension cable termination of transformer substation
CN208508001U