Primary and secondary fusion complete column-mounted circuit breaker
By designing a threaded connection structure with detachable lifting rings and sealing plugs, the problem of lifting ring corrosion and breakage was solved, thereby improving the safety and structural strength of the circuit breaker.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2026-03-27
AI Technical Summary
The lifting rings of existing integrated primary and secondary pole-mounted circuit breakers are prone to corrosion due to welding fixation, which can easily lead to breakage during hoisting and poses a safety hazard.
The design incorporates a detachable lifting ring and sealing plug structure, connected via threaded holes. After hoisting, the lifting ring can be stored in a storage box, and the threaded part can be sealed with a sealing plug to prevent corrosion.
This improves the safety of the circuit breaker, prevents the lifting rings from aging and breaking, enhances structural strength, and ensures the stability and safety of the lifting process.
Smart Images
Figure CN224053079U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of circuit breaker, concretely to a primary and secondary fusion complete set pole-mounted circuit breaker. BACKGROUND
[0002] The primary and secondary fusion complete set pole-mounted circuit breaker is an intelligent device in a power system, and its core is to highly integrate traditional primary devices and secondary devices, and is suitable for various power distribution network scenes such as overhead lines and cable lines.
[0003] The existing primary and secondary fusion complete set pole-mounted circuit breaker is heavy, needs to be hoisted by hoisting equipment during installation, therefore, a lifting ring is arranged on the surface of the circuit breaker to facilitate hoisting, however, the lifting ring is usually welded and fixed, and rust will occur at the welding position and the lifting ring after long-term use, and the lifting ring is prone to breakage during hoisting in the later period, thereby causing a safety accident. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a primary and secondary fusion complete set pole-mounted circuit breaker to solve the problems in the above background.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a primary and secondary fusion complete set pole-mounted circuit breaker, comprising a circuit breaker body, a plurality of threaded holes in a rectangular distribution are formed in the top of the circuit breaker body, a T-shaped track is arranged at the bottom of the circuit breaker body, a storage box is slidably installed on the outer side of the T-shaped track, a plurality of sealing plugs and a plurality of lifting rings are placed in the storage box, and a threaded part matched with the threaded hole is arranged on one side of each of the sealing plugs and the lifting rings.
[0006] As a preferred scheme of the utility model, a T-shaped groove is formed in one side of the storage box, a sliding rod is arranged at the top of the storage box, and the sliding rod is in contact with the T-shaped track and can slide on the T-shaped track.
[0007] As a preferred scheme of the utility model, a second limiting block is arranged at the top of the T-shaped track, and first limiting blocks are arranged on both sides of the T-shaped track.
[0008] As a preferred scheme of the utility model, a handle is installed on the outer side of the storage box.
[0009] As a preferred scheme of the utility model, the material of the sealing plug is rubber, and the material of the lifting ring is alloy steel.
[0010] Compared with the prior art, the utility model discloses the beneficial effect is: the screw hole and threaded portion that the utility model discloses make that the lifting ring is detachable, can be accomodate to the storage box after the hoisting structure, avoid the lifting ring to be exposed in the outside environment and take place the aging, lead to the fracture in the hoisting process in the later period, and use the sealing plug to carry out the sealed protection to the threaded portion, prevent the threaded portion place rust, lead to the structural strength to drop, improved security. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is the three -dimensional structure schematic diagram of the utility model;
[0012] Figure 2 It is the structure schematic diagram of the storage box of the utility model after drawing out;
[0013] Figure 3 It is the utility model Figure 2 It is the enlarged view of A place in the utility model;
[0014] Figure 4 It is the structure schematic diagram of the utility model when hoisting;
[0015] Figure 5 It is the structure schematic diagram of the utility model when using;
[0016] Figure 6 It is the structure schematic diagram of the bottom of the utility model;
[0017] Figure 7 It is the structure schematic diagram of the storage box of the utility model;
[0018] Figure 8 It is the structure schematic diagram of the T type track of the utility model.
[0019] In the drawing: 1, circuit breaker body;2, threaded hole;3, storage box;4, handle;5, lifting ring;6, threaded portion;7, sealing plug;8, slide rod;9, T type track;10, T type slot;11, first limit block;12, second limit block. DETAILED DESCRIPTION
[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the scope of the utility model protection.
[0021] Please refer to Figures 1 to 8The utility model provides a technical scheme: a primary and secondary fusion complete set pole circuit breaker, including circuit breaker body 1, the top of circuit breaker body 1 is equipped with a plurality of rectangular distribution's threaded hole 2, the bottom of circuit breaker body 1 is equipped with T type track 9, the outside of T type track 9 is slidably installed with storage box 3, storage box 3 is used to store sealing plug 7 or lifting ring 5, avoids the loss from occurring, and when overhauling circuit breaker body 1, storage box 3 can be used to place spare parts or tools, improves the convenience of when overhauling, the inside of storage box 3 is placed with a plurality of sealing plug 7 and a plurality of lifting ring 5, one side of a plurality of sealing plug 7 and lifting ring 5 is equipped with the screw thread part 6 of being suitable for threaded hole 2, is connected sealing plug 7 or lifting ring 5 with threaded hole 2 through screw thread part 6, so that lifting ring 5 is detachable, after hoisting ends, lifting ring 5 is dismantled and is stored to storage box 3, avoids lifting ring 5 aging, leads to the fracture in hoisting process in later period to occur, and after lifting ring 5 is dismantled, sealing plug 7 is installed in screw thread part 6, carries out sealing protection to screw thread part 6, prevents the rust at screw thread part 6, leads to the structural strength to drop, improves the security.
[0022] Wherein, one side of storage box 3 is equipped with T type groove 10, the top of storage box 3 is equipped with slide rod 8, slide rod 8 is in contact with T type track 9 and can slide on T type track 9, so that storage box 3 is more stable when sliding.
[0023] Wherein, the top of T type track 9 is equipped with second limit block 12, the two sides of T type track 9 are equipped with first limit block 11, second limit block 12 and first limit block 11 are used to limit storage box 3, prevent storage box 3 from separating with T type track 9.
[0024] Wherein, the outside of storage box 3 is installed with handle 4, handle 4 facilitates staff to pull storage box 3.
[0025] Wherein, the material of sealing plug 7 is rubber, and the rubber has good elasticity, can play a good sealing effect on the threaded hole 2, prevent rainwater from entering the threaded hole 2, cause the threaded hole 2 to rust, and still can keep the performance stable after long-term use, the material of the lifting ring 5 is alloy steel, and the alloy steel has high strength, so that it can withstand the tension in the hoisting operation.
[0026] Specifically, when hoisting is needed, the lifting ring 5 is screwed into the threaded hole 2 through the screw thread part 6, then the hoisting rope is passed through the lifting ring 5 to hoist the circuit breaker body 1, when the circuit breaker body 1 is hoisted to the designated position and installed and fixed, the lifting ring 5 is unscrewed and placed in the storage box 3, at the same time, the sealing plug 7 in the storage box 3 is screwed into the threaded hole 2, the threaded hole 2 is sealed and protected, preventing rusting of the threaded hole 2, causing the structural strength to decrease, when the circuit breaker body 1 needs to be hoisted again in the later period, the sealing plug 7 is removed, and the lifting ring 5 is screwed into the threaded hole 2, so that the hoisting can be carried out.
[0027] In the description of the utility model, need understanding is, the term "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and so on indicate the orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore cannot be understood as a restriction on the utility model.
[0028] In addition, the terms "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features, so the features with "first", "second", "third", "fourth" can be explicitly or implicitly included at least one feature.
[0029] In the utility model, unless otherwise expressly provided and limited, the terms "installation", "setting", "connection", "fixing", "screw connection" and so on should be understood broadly, for example, it can be fixedly connected, can also be detachably connected, or integrated; it can be mechanically connected, can also be electrically connected; it can be directly connected, can also be indirectly connected through an intermediate medium, it can be the communication inside two elements or the interaction relationship of two elements, unless otherwise expressly limited, for ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.
[0030] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and its equivalents.
Claims
1. A primary and secondary fused package circuit breaker comprising a circuit breaker body (1), characterized in that: The top of the circuit breaker body (1) is provided with a plurality of rectangularly distributed threaded holes (2), the bottom of the circuit breaker body (1) is provided with a T-shaped track (9), the outer side of the T-shaped track (9) is slidably provided with a storage box (3), the inside of the storage box (3) is placed with a plurality of sealing plugs (7) and a plurality of lifting rings (5), one side of the sealing plugs (7) and the lifting rings (5) is provided with a threaded part (6) matched with the threaded hole (2).
2. A one-family combined column circuit breaker according to claim 1, characterized in that: One side of the storage box (3) is provided with a T-shaped groove (10), the top of the storage box (3) is provided with a sliding rod (8), the sliding rod (8) is in contact with the T-shaped track (9) and can slide on the T-shaped track (9).
3. A one-family combined column circuit breaker according to claim 1, characterized in that: The top of the T-shaped track (9) is provided with a second limiting block (12), the two sides of the T-shaped track (9) are provided with first limiting blocks (11).
4. The on-site combined circuit breaker of primary and secondary according to claim 1, characterized in that: The outer side of the storage box (3) is provided with a handle (4).
5. A two-in-one fused switch disconnector according to claim 1, characterized in that: The material of the sealing plug (7) is rubber, and the material of the lifting ring (5) is alloy steel.