High-voltage cable protection device
Through a multi-layered protective structure and complex connection components, the stability and strength issues at high-voltage cable connections are resolved, achieving efficient and reliable connection results.
Patent Information
- Application Number
- CN202423067314.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-12
AI Technical Summary
The existing high-voltage cable connection methods are simple, with poor stability and strength, resulting in unsatisfactory connection protection.
It adopts a multi-layer protection structure, including a fireproof sleeve, a waterproof sleeve, and an insulating sleeve, and achieves a stable connection through components such as an internal threaded sleeve, an external threaded cylinder, a support ring, and a threaded rod. The sealing effect is improved by using U-grooves and sealing rings, and the toothed ring and gears ensure synchronous rotation of the threaded rod.
It achieves stability, sealing, and strength enhancement at high-voltage cable connections, ensuring high efficiency and reliability of the connection.
Smart Images

Figure CN223599476U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to high -voltage cable protection technical field especially a high -voltage cable protection device. BACKGROUND
[0002] High -voltage cable is usually used to deliver the electric energy generated in power plant to transformer substation or directly supply to end user, but during the delivery, a variety of faults can occur, these faults not only cause damage to the cable itself, but also can cause accidents and casualties, and high -voltage cable protection device can ensure the safe operation of cable and the stability of power system.
[0003] Through the retrieval, the patent with the announcement number CN221597327U discloses a kind of high-voltage power cable protection device, including protective sleeve one and protective sleeve two, the outer left side of protective sleeve one is fixedly connected with fixed ring one, the outer fixed ring one is fixedly connected with two fixed frame one, the similar side of two fixed frame one is fixedly connected with arc slide block one, the outer fixed ring one is fixedly connected with two inclined slide block one, the left side of protective sleeve one is fixedly connected with snap ring, the outer snap ring is fixedly connected with sealing ring, the right side of fixed ring one is provided with sliding assembly.
[0004] Based on the above search and existing technology find out;
[0005] The above patent is connected at the cable connection by arc slide block two and inclined slide block two, although it is efficient and convenient to connect, but its connection mode is relatively simple, and the stability and strength of connection are poor, and it cannot be well connected stably, and the connection protection effect of common cable protection device for connection is not ideal, so there is certain limitation. UTILITY MODEL CONTENT
[0006] In order to solve the above technical problems, the utility model provides a kind of high-voltage cable protection device, by the multiple protection of being set, can well provide protection for high-voltage cable, in addition, for high-voltage cable connection, by the connection assembly of being set, two adjacent high-voltage cables can be well connected and fixed.
[0007] The technical solution for achieving the purpose of the utility model is as follows: a high-voltage cable protection device, comprising a pair of high-voltage cables, a fireproof sleeve, a waterproof sleeve and an insulating sleeve are sequentially sleeved outside the pair of high-voltage cables, a fixed cylinder one and a fixed cylinder two are fixedly installed on the outer peripheral wall of the pair of insulating sleeves, a plurality of reinforcing rods are fixedly installed inside the fixed cylinder one and the fixed cylinder two, the end portions of the reinforcing rods located on the fixed cylinder one are slidingly installed inside the fixed cylinder two, and the high-voltage cable protection device further comprises a connection assembly.
[0008] The connecting assembly comprises an inner threaded sleeve and a supporting ring fixedly installed on the fixed casing I and the fixed casing II respectively.
[0009] In some embodiments, the fixed casing I is rotatably installed with an outer threaded cylinder, the inner side wall of the supporting ring is provided with a U-shaped groove, the end of the outer threaded cylinder is in sliding fit with the U-shaped groove, and the outer threaded cylinder is in threaded connection with the inner side of the inner threaded sleeve.
[0010] In some embodiments, the inner side wall of the inner threaded sleeve is fixedly installed with a pair of sealing rings, and the pair of sealing rings abut against the outer threaded cylinder.
[0011] In some embodiments, the outer peripheral wall of the outer threaded cylinder is fixedly installed with a rotating bearing, the outer ring of the rotating bearing is fixedly installed with a hexagonal connecting ring, the inner threaded sleeve is fixedly installed with a fixed ring, and a plurality of threaded rods are rotatably penetrated through the fixed ring.
[0012] In some embodiments, the end of each threaded rod is in threaded connection with the hexagonal connecting ring, the fixed ring is rotatably installed with a rotating cylinder, the inner portion of the rotating cylinder is fixedly installed with a tooth ring, one side of each threaded rod is fixedly installed with a gear, and the gear is in meshing connection with the tooth ring.
[0013] Compared with the prior art, the utility model has the following advantages:
[0014] Firstly, the fireproof layer, the waterproof layer and the insulation layer can protect the high-voltage cable, the outer threaded cylinder and the inner threaded sleeve can provide a simple, efficient and stable connection mode at the connection of the high-voltage cable, the U-shaped groove and the sealing ring can improve the sealing effect of the connecting assembly, and thus the sealing and waterproof effect of the connection of the high-voltage cable is ensured.
[0015] Secondly, the threaded rods can be used for fixedly connecting the supporting ring and the hexagonal connecting ring, the tooth ring and the gear can be used for rotating the rotating cylinder, the threaded rods are rotated, the synchronism of the rotation of the threaded rods is ensured, the connection effect of the outer threaded cylinder and the inner threaded sleeve is not affected, and the connection strength and stability of the connection are further improved.
[0016] The problems that the prior art cannot stably connect the cable connection through the arc-shaped sliding block two and the inclined sliding block two, the connection is simple, the stability and strength of the connection are poor, and the common cable protection device cannot effectively protect the connection are solved. BRIEF DESCRIPTION OF DRAWINGS
[0017] The utility model is further explained below in combination with the drawings and examples:
[0018] Figure 1 It is the whole first visual angle structure schematic diagram provided by the utility model;
[0019] Figure 2 It is the whole half cut structure schematic diagram provided by the utility model;
[0020] Figure 3 It is the fixed casing one and fixed casing two structure schematic diagram provided by the utility model;
[0021] Figure 4 It is the fixed casing one and fixed casing two local cut structure schematic diagram provided by the utility model.
[0022] Mark explanation:
[0023] 1, high voltage cable;2, internal thread cover;3, rotating cylinder;4, fixed ring;5, hexagonal connecting ring;6, external thread cylinder;7, support ring;8, fixed casing one;9, threaded rod;10, fireproof cover;11, waterproof cover;12, insulating cover;13, sealing ring;14, U-shaped groove;15, reinforcing rod;16, fixed casing two;17, gear ring;18, gear;19, rotating bearing. Specific implementation
[0024] The utility model is described in detail below, and the technical scheme in the embodiment of the utility model is clearly and completely described, obviously, the described embodiment only is a part of the embodiment of the utility model, but not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of the utility model protection.
[0025] The utility model provides a kind of high voltage cable protection device by improvement, and the technical scheme of the utility model is:
[0026] As Figures 1-4As shown in the figure, a high-voltage cable protection device, comprising a pair of high-voltage cables 1, the outer of the pair of high-voltage cables 1 is sequentially sleeved with a fireproof sleeve 10, a waterproof sleeve 11 and an insulation sleeve 12, the outer peripheral wall of the pair of insulation sleeves 12 is fixedly installed with a fixed sleeve one 8 and a fixed sleeve two 16, the inside of the fixed sleeve one 8 and the fixed sleeve two 16 is fixedly installed with a plurality of reinforcing rods 15, the end of the reinforcing rod 15 located on the fixed sleeve one 8 is slidingly installed in the inside of the fixed sleeve two 16, further comprising a connecting assembly, the high-voltage cable 1 can be directly and effectively protected by the fireproof sleeve 10, the waterproof sleeve 11 and the insulation sleeve 12, the installation of the connecting assembly can be supported by the fixed sleeve one 8 and the fixed sleeve two 16, the overall structural strength of the fixed sleeve one 8 and the fixed sleeve two 16 can be effectively improved by the reinforcing rod 15, and the stability of the connecting position of the high-voltage cable 1 can be ensured by the connecting assembly.
[0027] The connecting assembly comprises an internal thread sleeve 2 and a supporting ring 7 fixedly installed on the fixed sleeve one 8 and the fixed sleeve two 16 respectively, the normal operation of the connecting assembly can be ensured by the internal thread sleeve 2 and the supporting ring 7, so that the connecting and fixing effect of the connecting position of the high-voltage cable 1 can be easily achieved.
[0028] Further, the fixed sleeve one 8 is rotatably installed with an external thread sleeve 6, the inner side wall of the supporting ring 7 is provided with a U-shaped groove 14, the end of the external thread sleeve 6 is slidingly matched with the U-shaped groove 14, and the external thread sleeve 6 is threadedly connected with the inside of the internal thread sleeve 2, the U-shaped groove 14 can not only provide support for the rotation of the external thread sleeve 6, but also has a certain sealing effect, so that the sealing effect of the connecting position is further improved.
[0029] Further, the inner side wall of the internal thread sleeve 2 is fixedly installed with a pair of sealing rings 13, the pair of sealing rings 13 abut against the external thread sleeve 6, and the sealing performance of the joint of the internal thread sleeve 2 and the external thread sleeve 6 can be improved by the sealing rings 13.
[0030] As a further scheme of the utility model, the outer peripheral wall of the external thread sleeve 6 is fixedly installed with a rotating bearing 19, the outer ring of the rotating bearing 19 is fixedly installed with a hexagonal connecting ring 5, the internal thread sleeve 2 is fixedly installed with a fixed ring 4, a plurality of threaded rods 9 are rotatably penetrated through the fixed ring 4, the rotating bearing 19 can be convenient for the mutual rotation of the external thread sleeve 6 and the hexagonal connecting ring 5, so that the rotation between the internal thread sleeve 2 and the external thread sleeve 6 can be realized, and the rotation between the threaded rods 9 and the hexagonal connecting ring 5 can be ensured, so that the stability of the connecting position is improved.
[0031] Further, the end of each threaded rod 9 is threadedly connected with the hexagonal connecting ring 5, one side of the fixed ring 4 is rotatably installed with the rotating cylinder 3, the inside of the rotating cylinder 3 is fixedly installed with the gear ring 17, one side of each threaded rod 9 is fixedly installed with the gear 18, the gear 18 is engaged with the gear ring 17, through the rotating cylinder 3, the engagement relationship of the gear ring 17 and the gear 18 can realize the synchronization of the rotation of the plurality of threaded rods 9, so that the threaded rod 9 and the hexagonal connecting ring 5 can be normally threadedly connected.
[0032] Specific working method is: after the outside of the high-voltage cable 1 is sequentially sleeved with the fireproof sleeve 10, the waterproof sleeve 11 and the insulation sleeve 12, the fixed cylinder one 8 and the fixed cylinder two 16 are fixedly installed, the connection assembly can improve the connection strength and stability of the connection of the pair of high-voltage cables 1, the outer threaded cylinder 6 and the inner threaded sleeve 2 can be quickly and efficiently connected and fixed, when rotating to a certain position, through the setting of the rotating bearing 19, the rotating cylinder 3 is rotated with the gear ring 17, through the engagement relationship, a plurality of threaded rods 9 can be rotated at the same time, thereby realizing the connection between the threaded rod 9 and the hexagonal connecting ring 5, so as to further enhance the connection strength and stability of the connection of the high-voltage cable 1.
[0033] The technical means disclosed in the utility model scheme is not only limited to the technical means disclosed in the above technical means, but also includes the technical scheme composed of the above technical features and equivalent replacement. The unfinished matters of the utility model belong to the common knowledge of the person skilled in the art.
Claims
1. A high-voltage cable protection device, comprising a pair of high-voltage cables (1), the outer part of the pair of high-voltage cables (1) being sequentially sleeved with a fireproof sleeve (10), a waterproof sleeve (11) and an insulating sleeve (12), characterized in that: A pair of the outer peripheral wall of the insulating sleeve (12) is fixedly installed with fixed sleeve one (8) and fixed sleeve two (16), the inside of fixed sleeve one (8) and fixed sleeve two (16) is fixedly installed with a plurality of reinforcing rods (15), wherein the end of the reinforcing rod (15) on the fixed sleeve one (8) is slidingly installed in the inside of the fixed sleeve two (16), further comprising; Connecting assembly, the connecting assembly includes internally threaded sleeve (2) and support ring (7) fixedly installed on fixed sleeve one (8) and fixed sleeve two (16) respectively.
2. A high voltage cable protection device according to claim 1, characterized in that: The fixed sleeve one (8) is rotatably installed with an externally threaded cylinder (6), the inner side wall of the support ring (7) is provided with a U-shaped groove (14), the end of the externally threaded cylinder (6) is slidingly fitted with the U-shaped groove (14), and the externally threaded cylinder (6) is threadedly connected with the inside of the internally threaded sleeve (2).
3. A high voltage cable protection device according to claim 1, characterized in that: The inner side wall of the internally threaded sleeve (2) is fixedly installed with a pair of sealing rings (13), and the pair of sealing rings (13) abut against the externally threaded cylinder (6).
4. A high voltage cable protection device according to claim 2, characterised in that: The outer peripheral wall of the externally threaded cylinder (6) is fixedly installed with a rotating bearing (19), the outer ring of the rotating bearing (19) is fixedly installed with a hexagonal connecting ring (5), the internally threaded sleeve (2) is fixedly installed with a fixed ring (4), and a plurality of threaded rods (9) are rotatably penetrated through the fixed ring (4).
5. A high voltage cable protection device according to claim 4, characterised in that: Each of the threaded rods (9) is threadedly connected with the hexagonal connecting ring (5), the fixed ring (4) is rotatably installed with a rotating cylinder (3) on one side, the inside of the rotating cylinder (3) is fixedly installed with a tooth ring (17), each of the threaded rods (9) is fixedly installed with a gear (18) on one side, and the gear (18) is engaged with the tooth ring (17).
Citation Information
Patent Citations
High-voltage power cable protection sleeve protection device
CN221597327U