Secondary side outgoing line fastening structure of combined mutual inductor for outdoor pole-mounted circuit breaker
By designing the fastening structure of components such as fastening rings and transmission rods, the problems of contact friction and insulation layer damage in the fastening structure of the secondary side output line of the combined current transformer used in existing outdoor pole-mounted circuit breakers have been solved, thus achieving the stability and convenient installation of the power system.
Patent Information
- Application Number
- CN202422941629.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-30
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-30
AI Technical Summary
Existing outdoor pole-mounted circuit breakers typically rely on individual cable ties or rigid cable ties for securing the secondary output lines of combined instrument transformers. This leads to contact friction and excessively tight fasteners, damaging the insulation layer and affecting the stability and safety of the power equipment.
A fastening structure including fastening rings, arc plates, and transmission rods was designed. Through the cooperation of multiple transmission rods and adjusting plates, the secondary side outlet port is firmly fixed, and flexible adjustment is allowed to adapt to different installation requirements.
It effectively prevents lines from loosening or falling off, improves the safety and stability of the power system, reduces operation and maintenance costs, and enables convenient installation and disassembly.
Smart Images

Figure CN223462099U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of the secondary side outgoing line of mutual inductor, specifically is combination mutual inductor secondary side outgoing line fastening structure for outdoor pole-mounted circuit breaker. BACKGROUND
[0002] The secondary side outgoing line fastening structure of mutual inductor is the key component of ensuring the reliable connection between mutual inductor and measurement, protection and control equipment.
[0003] The existing combination mutual inductor secondary side outgoing line fastening structure for outdoor pole-mounted circuit breaker is usually only fastened by individual tie or rigid tie to make the secondary side line and the telegraph pole contact each other and fix the secondary side line, but the fastened contact has many hidden dangers, and too tight friction and fastener can damage the outside insulation layer of the secondary side outgoing line, affecting the monitoring of power equipment. UTILITY MODEL CONTENTS
[0004] The utility model provides combination mutual inductor secondary side outgoing line fastening structure for outdoor pole-mounted circuit breaker, possesses stable and convenient installation's advantage, to solve the existing combination mutual inductor secondary side outgoing line fastening structure for outdoor pole-mounted circuit breaker usually only fastened by individual tie or rigid tie to make the secondary side line and the telegraph pole contact each other and fix the secondary side line in actual use, but the fastened contact has many hidden dangers, and too tight friction and fastener can damage the outside insulation layer of the secondary side outgoing line, affecting the monitoring of power equipment.
[0005] In order to realize the purpose of stable and convenient installation, the utility model provides the following technical scheme: combination mutual inductor secondary side outgoing line fastening structure for outdoor pole-mounted circuit breaker, including telegraph pole, the upper part of the outside of telegraph pole is installed with working assembly and fastening assembly, wherein: the fastening assembly includes fastening ring, the outside symmetry of fastening ring is installed with arc plate, the inner wall of two arc plates is installed with first transmission rod, the top surface of fastening ring is installed with drainage plate, the outside surface of fastening ring is installed with adjusting frame, the one end of fastening ring is provided with a plurality of second transmission rods at equal intervals, the outside surface of second transmission rod is installed with adjusting plate, the one end of fastening ring is installed with fixed box, the inner wall of fixed box is installed with lug, one side of adjusting plate is provided with fixed slot, the bottom end inner wall of fixed box is installed with third transmission rod, the outside surface of third transmission rod is installed with rotary plate, the inner wall of rotary plate is installed with screw.
[0006] As a preferred technical scheme of the utility model, the working assembly comprises a mounting frame, the mounting frame is installed on the upper portion of the telegraph pole, the top surface of the mounting frame is provided with a circuit breaker and a mutual inductor, one side of the mutual inductor is provided with a secondary side outgoing line end, one side of the secondary side outgoing line end is provided with a wire penetrating pipe, one end of the wire penetrating pipe is provided with a power data cabinet.
[0007] As a preferred technical scheme of the utility model, the inner wall of the fastening ring is closely combined with the outer surface of the telegraph pole, the inner wall of the fastening ring is provided with a small protrusion, the two arc plates are movably contacted with each other, the outer surface of the first transmission rod is movably and rotatably connected with the inner walls of the two arc plates, the arc plates and the fastening ring are fixedly connected with each other, the fastening ring is two sections, and each section of the fastening ring is fixedly connected with an arc plate.
[0008] As a preferred technical scheme of the utility model, the inner wall of the fastening ring is closely combined with the outer surface of the telegraph pole, the inner wall of the fastening ring is provided with a small protrusion, the two arc plates are movably contacted with each other, the outer surface of the first transmission rod is movably and rotatably connected with the inner walls of the two arc plates, the arc plates and the fastening ring are fixedly connected with each other, the fastening ring is two sections, and each section of the fastening ring is fixedly connected with an arc plate.
[0009] As a preferred technical scheme of the utility model, the inner wall of the fastening ring is closely combined with the outer surface of the telegraph pole, the inner wall of the fastening ring is provided with a small protrusion, the two arc plates are movably contacted with each other, the outer surface of the first transmission rod is movably and rotatably connected with the inner walls of the two arc plates, the arc plates and the fastening ring are fixedly connected with each other, the fastening ring is two sections, and each section of the fastening ring is fixedly connected with an arc plate.
[0010] As a preferred technical scheme of the utility model, the inner wall of the fastening ring is closely combined with the outer surface of the telegraph pole, the inner wall of the fastening ring is provided with a small protrusion, the two arc plates are movably contacted with each other, the outer surface of the first transmission rod is movably and rotatably connected with the inner walls of the two arc plates, the arc plates and the fastening ring are fixedly connected with each other, the fastening ring is two sections, and each section of the fastening ring is fixedly connected with an arc plate.
[0011] As a preferred technical scheme of the utility model, the inner wall of the fastening ring is closely combined with the outer surface of the telegraph pole, the inner wall of the fastening ring is provided with a small protrusion, the two arc plates are movably contacted with each other, the outer surface of the first transmission rod is movably and rotatably connected with the inner walls of the two arc plates, the arc plates and the fastening ring are fixedly connected with each other, the fastening ring is two sections, and each section of the fastening ring is fixedly connected with an arc plate.
[0012] Compared with the prior art, the utility model provides a combined mutual inductor secondary side outgoing line fastening structure for outdoor pole-mounted circuit breaker, has the following beneficial effects:
[0013] 1. The outdoor pole-mounted circuit breaker combination transformer secondary side outgoing line fastening structure, through the design of the fastening assembly, especially the fastening ring, the circular arc plate, the first transmission rod and other structures, realizes the firm fixation of the secondary side outgoing line port on the electric pole, effectively prevents the line loosening or falling off caused by wind force, vibration and other factors, and improves the safety and stability of the power system.
[0014] 2. The adjustment frame, the second transmission rod, the adjustment plate, the fixed box, the protruding block, the third transmission rod, the rotating plate and the screw and other designs make the fastening structure can be flexibly adjusted according to actual needs, facilitate installation, disassembly and daily maintenance, and reduce operation and maintenance cost. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is an external structure schematic view of the utility model;
[0016] Fig. 2 It is another angle external structure schematic view of the utility model;
[0017] Fig. 3 It is a fastening assembly installation position schematic view of the utility model;
[0018] Fig. 4 It is an external structure schematic view of the fastening assembly of the utility model;
[0019] Fig. 5 It is another angle external structure schematic view of the fastening assembly of the utility model;
[0020] Fig. 6 It is an explosion structure view of the fastening assembly of the utility model.
[0021] In the drawing: 1, electric pole; 2, mounting frame; 3, circuit breaker; 4, transformer; 5, secondary side outgoing line end; 6, threading pipe; 7, electric power data cabinet; 8, fastening assembly; 9, fastening ring; 10, circular arc plate; 11, first transmission rod; 12, drainage plate; 13, adjustment frame; 14, second transmission rod; 15, adjustment plate; 16, fixed box; 17, protruding block; 18, fixed groove; 19, third transmission rod; 20, rotating plate; 21, screw. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Embodiment one
[0023] Please refer to Figs. 1-2The utility model discloses a combined mutual inductor secondary side outgoing line fastening structure for outdoor pole circuit breaker, including telegraph pole 1, the outside upper portion of telegraph pole 1 is equipped with working assembly and fastening assembly 8, wherein: fastening assembly 8 includes fastening ring 9, the outside symmetry of fastening ring 9 is equipped with arc plate 10, the inner wall of two arc plates 10 is equipped with first transmission rod 11, the top surface of fastening ring 9 is equipped with drainage plate 12, the outside surface of fastening ring 9 is equipped with adjusting frame 13, and the one end of fastening ring 9 is provided with a plurality of second transmission rod 14 at equal intervals, and the outside surface of second transmission rod 14 is equipped with adjusting plate 15, and the one end of fastening ring 9 is equipped with fixed box 16, the inner wall of fixed box 16 is equipped with lug 17, and the one side of an adjusting plate 15 is equipped with fixed groove 18, and the bottom end inner wall of fixed box 16 is equipped with third transmission rod 19, and the outside surface of third transmission rod 19 is equipped with rotary plate 20, and the inner wall of rotary plate 20 is equipped with screw 21.
[0024] Working assembly includes mounting bracket 2, and the mounting bracket 2 is installed on the upper portion of telegraph pole 1, and the top surface of mounting bracket 2 is equipped with circuit breaker 3 and mutual inductor 4, and one side of mutual inductor 4 is provided with secondary side outgoing line end 5, and one side of secondary side outgoing line end 5 is equipped with wire pipe 6, and one end of wire pipe 6 is equipped with electric power data cabinet 7.
[0025] The inner wall of fastening ring 9 and the outside surface of telegraph pole 1 are closely combined with each other, the inner wall of fastening ring 9 is provided with small protrusions, two arc plates 10 are movably contacted with each other, the outside surface of first transmission rod 11 and the inner wall of two arc plates 10 are movably and rotatably connected with each other, arc plate 10 and fastening ring 9 are fixedly connected with each other, and fastening ring 9 is two sections, and each section of fastening ring 9 and an arc plate 10 are fixedly connected with each other.
[0026] The mounting bracket 2 is fixed on the upper portion of telegraph pole 1, ensuring firm installation. Circuit breaker 3 and mutual inductor 4 are installed on the mounting bracket 2, ensuring correct electrical connection between the two. The secondary side outgoing line end 5 is connected with the wire pipe 6. Embodiment two
[0027] Based on the above embodiment 1, please refer to Figs. 3-5 , drainage plate 12 is two sections, each drainage plate 12 and the top surface of a fastening ring 9 are fixedly connected with each other, the bottom surface of drainage plate 12 and the top surface of fastening ring 9 are fixedly connected with each other, adjusting plate 15 and fastening ring 9 are movably and rotatably connected with each other through second transmission rod 14, and the outside surface of second transmission rod 14 and the inner wall of adjusting plate 15 are movably and rotatably connected with each other.
[0028] The fastening ring 9 is fixedly connected with the fixing box 16, the outer side surface of the protruding block 17 is movably connected with the inner wall of the adjusting plate 15, the middle part of the protruding block 17 is provided with a fixing groove 18, and the third transmission rod 19 is arranged at the bottom of the fixing box 16.
[0029] The inner wall of the rotating plate 20 is movably connected with the outer side surface of the third transmission rod 19, one side of the rotating plate 20 is movably connected with the inner wall of the fixing box 16, the outer side surface of the screw 21 is movably connected with the inner wall of the fixing box 16, the bottom end of the screw 21 is movably connected with the fixing groove 18, and the upper bottom surface of the screw 21 is movably connected with the top surface of the rotating plate 20.
[0030] The mounting frame 2 is arranged at the middle part of the electric pole 1, the circuit breaker 3 and the transformer 4 are electrically connected with each other, one end of the wire penetrating pipe 6 is fixedly connected with one side surface of the secondary side outgoing line end 5, and the transformer 4 is electrically connected with the electric power data cabinet 7.
[0031] The adjusting frame 13 and the second transmission rod 14 are installed, and the adjusting plate 15 is movably connected with the second transmission rod 14.
[0032] The working principle and use process of the utility model are as follows: whether all parts are complete and undamaged is checked, including the fastening ring 9, the arc plate 10, the transmission rod, the adjusting plate 15, the fixing box 16 and the screw 21.
[0033] The mounting work assembly is installed: the mounting frame 2 is fixed on the upper part of the electric pole 1, so that the mounting is firm.
[0034] The fastening assembly 8 is installed: the fastening ring 9 is segmentedly installed on the electric pole 1, so that the inner wall of the fastening ring 9 is closely attached to the outer side surface of the electric pole 1.
[0035] Install the adjusting frame 13 and the second transmission rod 14, and make the adjusting plate 15 and the second transmission rod 14 in active rotary connection. The second transmission rod 14 is used to connect multiple adjusting plates 15 in series on the fastening ring 9 for flexible tightening of the diameter of the entire fastening ring 9 so that the fastening ring 9 can closely fit the outer surface of the electric pole 1. The fixed box 16 is fixedly connected with the fastening ring 9, and the protrusion 17 can actively contact the inner wall of the adjusting plate 15. Install the third transmission rod 19 and the rotary plate 20, and ensure that the rotary plate 20 can rotate smoothly. Use the screw 21 to fix the adjusting plate 15 in the fixed groove 18, and ensure that the screw 21 is in good contact with the rotary plate 20.
Claims
1. A combined transformer secondary side outgoing line fastening structure for outdoor pole-mounted circuit breakers, comprising a power pole (1), characterized in that: The outer upper part of the electric pole (1) is provided with a working assembly and a fastening assembly (8), wherein: The fastening assembly (8) comprises a fastening ring (9), the outer side of the fastening ring (9) is symmetrically provided with arc plates (10), the inner walls of the two arc plates (10) are provided with first transmission rods (11), the top surface of the fastening ring (9) is provided with a drainage plate (12), the outer side surface of the fastening ring (9) is provided with an adjusting frame (13), one end of the fastening ring (9) is provided with a plurality of second transmission rods (14) at equal intervals, the outer side surface of the second transmission rod (14) is provided with an adjusting plate (15), one end of the fastening ring (9) is provided with a fixed box (16), the inner wall of the fixed box (16) is provided with a protrusion (17), one side of the adjusting plate (15) is provided with a fixed groove (18), the bottom end inner wall of the fixed box (16) is provided with a third transmission rod (19), the outer side surface of the third transmission rod (19) is provided with a rotating plate (20), and the inner wall of the rotating plate (20) is provided with a screw (21).
2. The combined instrument transformer secondary side outgoing line fastening structure for outdoor pole-mounted circuit breakers according to claim 1, characterized in that: The working assembly comprises a mounting frame (2), the mounting frame (2) is mounted on the upper part of the electric pole (1), the top surface of the mounting frame (2) is provided with a circuit breaker (3) and a mutual inductor (4), one side of the mutual inductor (4) is provided with a secondary side outgoing line end (5), one side of the secondary side outgoing line end (5) is provided with a wire penetrating pipe (6), and one end of the wire penetrating pipe (6) is provided with a power data cabinet (7).
3. The combined instrument transformer secondary side outgoing line fastening structure for outdoor pole-mounted circuit breakers according to claim 1, characterized in that: The inner wall of the fastening ring (9) and the outer side surface of the electric pole (1) are tightly attached to each other, the inner wall of the fastening ring (9) is provided with a small protrusion, the two arc plates (10) are movably contacted with each other, the outer side surface of the first transmission rod (11) and the inner walls of the two arc plates (10) are movably and rotatably connected with each other, the arc plate (10) and the fastening ring (9) are fixedly connected with each other, and the fastening ring (9) is two sections, and each section of the fastening ring (9) and the arc plate (10) are fixedly connected with each other.
4. The combined instrument transformer secondary side outgoing line fastening structure for outdoor pole-mounted circuit breakers according to claim 3, characterized in that: Each of the two sections of the drainage plate (12) and the top surface of the fastening ring (9) are fixedly connected with each other, the bottom surface of the drainage plate (12) and the top surface of the fastening ring (9) are fixedly connected with each other, the adjusting plate (15) and the fastening ring (9) are movably and rotatably connected with each other through the second transmission rod (14), and the outer side surface of the second transmission rod (14) and the inner wall of the adjusting plate (15) are movably and rotatably connected with each other.
5. The combined instrument transformer secondary side outgoing line fastening structure for outdoor pole-mounted circuit breakers according to claim 4, characterized in that: The fastening ring (9) and the fixed box (16) are fixedly connected with each other, the outer side surface of the protrusion (17) and the inner wall of the adjusting plate (15) are movably contacted with each other, the middle part of the protrusion (17) is provided with a fixed groove (18), the third transmission rod (19) is arranged at the bottom of the fixed box (16), and the outer side surface of the third transmission rod (19) and the fixed box (16) are movably and rotatably connected with each other.
6. The combined instrument transformer secondary side outgoing line fastening structure for outdoor pole-mounted circuit breakers according to claim 5, characterized in that: The inner wall of the rotating plate (20) is movably and rotatably connected with the outer side surface of the third transmission rod (19), one side of the rotating plate (20) is movably contacted with the inner wall of the fixed box (16), the outer side surface of the screw (21) is movably contacted with the inner wall of the fixed box (16), the bottom end of the screw (21) is movably and rotatably connected with the fixed groove (18), and the upper bottom surface of the screw (21) is contacted with the top surface of the rotating plate (20).
7. The combined instrument transformer secondary side outgoing line fastening structure for outdoor pole-mounted circuit breakers according to claim 2, characterized in that: The mounting rack (2) is distributed in the middle of the telegraph pole (1), the circuit breaker (3) and the mutual inductor (4) are electrically connected with each other, one end of the wire penetrating pipe (6) is fixedly connected with one side surface of the secondary side outgoing line end (5), and the mutual inductor (4) and the electric power data cabinet (7) are electrically connected with each other.