High-stability primary and secondary fusion pole-mounted circuit breaker

Abstract

The invention relates to the technical field of circuit breakers, and discloses a high-stability primary and secondary fusion pole-mounted circuit breaker, which comprises an electric wire pole, two groups of mounting assemblies are arranged on the outer side of the electric wire pole, a buffer assembly is arranged on the outer side of the electric wire pole close to the inner side of the mounting assembly, and a supporting assembly is arranged on one side of the mounting assembly. A circuit breaker main body is mounted on the upper side of the supporting assembly, the mounting assembly comprises a lower fixing ring sleeving the outer side of the electric wire column, an upper fixing ring sleeves the outer side of the electric wire column and is close to the upper part of the lower fixing ring, and four groups of convex parts are fixedly arranged on the outer sides of the lower fixing ring and the upper fixing ring. According to the high-stability primary and secondary fusion pole-mounted circuit breaker, through overall cooperative use, additional mechanical stress caused by angle deviation is reduced, the wind resistance of the circuit breaker main body is improved, the instantaneous swing amplitude of the circuit breaker main body is reduced, and structural strain caused by excessive deflection is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of circuit breakers, and in particular to a primary-secondary fusion column mounted circuit breaker with high stability. Background Art

[0002] Currently, single-column support structures are widely used in fields such as electricity, communications, and lighting, and occupy an important position in infrastructure construction. However, existing single-column support structures generally have the defect of insufficient wind resistance, which is mainly manifested in a single support point and a significantly increased swing amplitude in strong wind environments. This large swing not only affects the stability of the equipment, but also causes the mechanical structure to be in a state of fatigue for a long time, accelerating the loosening or damage of internal components, thereby shortening the service life of the equipment and increasing maintenance costs. In addition, after the mounting bracket of the pole-mounted circuit breaker is installed and fixed on the utility pole, the angle and height cannot be adjusted. If the installation position is improper, the mounting bracket needs to be completely dismantled and reinstalled, which is a cumbersome step. Summary of the Invention

[0003] The main purpose of the present invention is to provide a primary-secondary fusion pole-mounted circuit breaker with high stability, which can effectively solve the problems in the background technology.

[0004] To achieve the above object, the technical solution adopted by the present invention is:

[0005] A high-stability primary and secondary fusion column-mounted circuit breaker includes a power pole, two sets of mounting components are provided on the outside of the power pole, a buffer component is provided on the outside of the power pole near the inside of the mounting component, a support component is provided on one side of the mounting component, a circuit breaker body is installed on the upper side of the support component, the mounting component includes a lower fixing ring sleeved on the outside of the power pole, an upper fixing ring is sleeved on the outside of the power pole near the upper position of the lower fixing ring, four sets of protrusions are fixed on the outside of the lower fixing ring and the upper fixing ring, and the inner portions of the corresponding protrusions on the outer sides of the lower fixing ring and the upper fixing ring are provided. A threaded rod is movably provided on both sides, and a first gear is fixedly provided at the lower end of the threaded rod, and two groups of arc sleeves are fixedly provided on the lower side of the upper fixing ring, and half gear rings are movably provided on the inner sides of the two groups of arc sleeves, and sliding grooves are provided on the lower sides of the two groups of half gear rings. A fixed shell is fixedly provided on one group of the two groups of arc sleeves that is close to the supporting assembly, and a second gear is rotatably provided on the inner side of the fixed shell, and a control rod is fixedly provided at the lower end of the second gear, a connecting shaft is fixedly provided on one side of the lower fixing ring near the upper position of the fixed shell, and a mounting seat is fixedly provided on one side of the upper fixing ring.

[0006] Preferably, the buffer assembly includes a left fixed ring that is sleeved on the outside of the electric pole, a right fixed ring is rotatably provided on the left fixed ring, two groups of figure-eight spring pieces are fixedly provided on the outside of the left and right fixed rings respectively, the outsides of the four groups of threaded rods are fixedly provided with round blocks, the upper ends of the four groups of round blocks are fixedly provided with fastening spring rings, and the upper ends of the four groups of fastening spring rings are fixedly provided with round rings.

[0007] Preferably, the support assembly includes a movable seat arranged on the upper side of the mounting seat, two groups of connecting sleeves are fixedly provided at the lower end of the movable seat, two groups of movable openings are opened on the inner side of the mounting seat corresponding to the positions of the connecting sleeves, the two groups of connecting sleeves and the inner side of the mounting seat are rotatably provided with screw rods, the front and rear ends of the movable seat are fixedly provided with side plates near one side, the lower sides of the two groups of side plates are rotatably provided with fixed shafts, one side of the mounting seat is provided with moving openings corresponding to the positions of the two groups of fixed shafts, the outer sides of the two groups of fixed shafts are sleeved on the sleeve rods, and the inner sides of the two groups of sleeve rods are slidably provided. There is a telescopic rod, two groups of reinforcement blocks are fixedly arranged between the two groups of sleeve rods, two groups of sliding openings are opened on the inner side of one group of the two groups of reinforcement blocks, positioning sliders are slidably arranged on the inner sides of the two groups of sliding openings, two groups of return springs are fixedly arranged between the two groups of positioning sliders and the inner walls of the two groups of sliding openings, round rods are fixedly arranged on the inner sides of the two groups of positioning sliders, a rotating rod is fixedly arranged in the middle position of the reinforcement block, two groups of push pieces are fixedly arranged on the upper and lower sides of the rotating rod, and several groups of teeth and grooves are opened on the telescopic rod corresponding to the positions of the two groups of positioning sliders.

[0008] Preferably, the lower fixing ring and the upper fixing ring are both two semi-arc-shaped pieces connected together by rotation, one side of the lower fixing ring and the upper fixing ring are fixedly connected by bolts, and the four groups of protrusions on the upper fixing ring are threadedly connected to the four groups of threaded rods.

[0009] Preferably, the four groups of the first gears are all meshed with the half-toothed ring, the half-toothed ring is slidably arranged with the arc sleeve, the second gear is meshed with the half-toothed ring, and the circuit breaker body is fixedly mounted on the upper end of the movable seat by bolts.

[0010] Preferably, the left fixing ring and the right fixing ring are sleeved on the outside of the electric pole, and one side of the left fixing ring and the right fixing ring are fixedly connected by bolts. The figure-eight spring piece is restricted to the outside of the round block, and the fastening spring ring is sleeved between the round block outside the threaded rod and the raised portion on the upper fixing ring.

[0011] Preferably, the movable seat and the movable opening are slidably arranged, the connecting sleeve and the screw rod are threadedly connected, a hand wheel is installed on the side of the screw rod close to the electric pole, and the fixed shaft is movably arranged in the movable opening.

[0012] Preferably, the telescopic rod and the connecting shaft are rotatably arranged, and the two groups of positioning sliders respectively pass through one side of the two groups of sleeve rods to the tooth groove, one side of the positioning slider is arc-shaped, the round rod passes through the inner side of the sliding mouth, and the push piece is close to the outer side of the round rod.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. Put the lower fixing ring, the upper fixing ring, the left fixing ring, and the right fixing ring on the outside of the electric pole and fix them with bolts, then fix the circuit breaker body on the upper end of the movable seat to complete the overall installation. When the height needs to be adjusted later, the bolts of the upper fixing ring can be loosened, and the second gear can be driven by the control rod to rotate and drive the half-toothed ring. The half-toothed ring then drives the four groups of first gears and four groups of threaded rods to rotate forward and backward, so that the four groups of threaded protrusions and the upper fixing ring move upward or downward, driving the circuit breaker body set on the upper side of the mounting seat to move up and down, solving the problem of insufficient safety distance caused by ground subsidence, foundation deformation or installation error.

[0015] 2. In strong convective weather, the upper fixing ring and the circuit breaker body are easily subjected to increased axial deflection force. The four groups of figure-eight springs protect the elastic resistance of the four groups of round blocks, thereby increasing the wind resistance of the circuit breaker body. The elastic resistance can quickly consume wind load energy, significantly reducing the instantaneous swing amplitude of the circuit breaker body, avoiding structural damage caused by excessive deflection, and reducing the accumulation of fatigue damage to the supporting structure.

[0016] 3. The handwheel drives the screw to rotate forward or reverse, driving the two sets of threaded connection sleeves to drive the movable seat and the circuit breaker body to move on both sides, reducing the additional mechanical stress caused by angular deviation and optimizing the reliability of electrical connection and the convenience of operation and maintenance.

[0017] 4. When the movable seat moves to the left, it will drive the side pieces and the fixed shaft on both sides to slide along the moving opening, and the telescopic rod will rotate along the connecting shaft to meet the telescopic work of the sleeve rod and the telescopic rod. One side of the positioning slider is set in an arc shape to meet the telescopic rod extending from the sleeve rod, but the other side will be restricted in the tooth groove on the telescopic rod to prevent it from shrinking into the sleeve rod. The support point of the sleeve rod will change with the moving position of the movable seat and the circuit breaker body, and it will always provide stable support for the displaced circuit breaker body. When retracting, the rotating rod and the two sets of push pieces will push the two sets of round rods and the positioning slider to slide closer along the sliding opening, so as to realize the positioning of the telescopic rod by the two sets of positioning sliders, meet the positioning during telescopic work, and improve the stability of the circuit breaker body after installation and adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a high-stability primary and secondary fusion column-mounted circuit breaker according to the present invention;

[0019] Figure 2 This is a schematic diagram of the rear structure of a high-stability primary and secondary fusion column-mounted circuit breaker according to the present invention;

[0020] Figure 3 This is a schematic diagram of the structure of an installation assembly for a high-stability primary and secondary fusion column mounted circuit breaker according to the present invention;

[0021] Figure 4 This is a partial structural diagram of an installation assembly of a high-stability primary and secondary fusion column mounted circuit breaker according to the present invention;

[0022] Figure 5 This is a partial structural diagram of a buffer assembly and a mounting assembly of a high-stability primary and secondary fusion column mounted circuit breaker according to the present invention;

[0023] Figure 6 This is a schematic structural diagram of a support assembly for a high-stability primary and secondary fusion column mounted circuit breaker according to the present invention;

[0024] Figure 7 This is a partial cross-sectional structural diagram of a support assembly of a high-stability primary and secondary fusion column mounted circuit breaker according to the present invention;

[0025] Figure 8 The present invention is a high stability primary and secondary fusion column mounted circuit breaker Figure 7 A schematic diagram of the enlarged structure of the middle part A;

[0026] Figure 9 The figure is a partial cross-sectional structural diagram of a support assembly of a primary-secondary fusion column mounted circuit breaker with high stability according to the present invention.

[0027] Figure: 1. Wire pole; 2. Mounting assembly; 21. Lower fixing ring; 22. Upper fixing ring; 23. Raised portion; 24. Threaded rod; 25. First gear; 26. Arc sleeve; 27. Half-toothed ring; 28. Slideway; 29. ​​Fixed housing; 210. Second gear; 211. Control rod; 212. Connecting shaft; 213. Mounting base; 3. Buffer assembly; 31. Left fixing ring; 32. Right fixing ring; 33. Figure-eight spring; 34. Round block; 35. Fastening spring ring; 36. Circular ring; 4. Support assembly; 41. Movable seat; 42. Connecting sleeve; 43. Movable opening; 44. Screw rod; 45. Side piece; 46. Fixed shaft; 47. Moving opening; 48. Sleeve rod; 49. Telescopic rod; 410. Reinforcement block; 411. Sliding opening; 412. Positioning slider; 413. Reset spring; 414. Round rod; 415. Rotating rod; 416. Push piece; 417. Tooth groove; 5. Circuit breaker body. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0029] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are relative relationships of directions or positions, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention.

[0030] See also Figures 1-9 The present invention provides an embodiment of a high-stability primary and secondary fusion column-mounted circuit breaker, comprising a power pole 1, two sets of mounting components 2 are provided on the outside of the power pole 1, a buffer component 3 is provided on the outside of the power pole 1 near the inner side of the mounting component 2, a support component 4 is provided on one side of the mounting component 2, a circuit breaker body 5 is installed on the upper side of the support component 4, the mounting component 2 includes a lower fixing ring 21 sleeved on the outside of the power pole 1, an upper fixing ring 22 is sleeved on the outside of the power pole 1 near the upper position of the lower fixing ring 21, four sets of protrusions 23 are fixed on the outer sides of the lower fixing ring 21 and the upper fixing ring 22, and the protrusions 23 corresponding to the outer sides of the lower fixing ring 21 and the upper fixing ring 22 are provided. A threaded rod 24 is movably provided on both sides, and a first gear 25 is fixedly provided at the lower end of the threaded rod 24. Two groups of arc-shaped sleeves 26 are fixedly provided on the lower side of the upper fixed ring 22. Half-toothed rings 27 are movably provided on the inner sides of the two groups of arc-shaped sleeves 26. A slide groove 28 is provided on the lower side of the two groups of half-toothed rings 27. A fixed shell 29 is fixed on one group of the two arc-shaped sleeves 26 that is close to the support assembly 4. A second gear 210 is rotatably provided on the inner side of the fixed shell 29. A control rod 211 is fixedly provided at the lower end of the second gear 210. A connecting shaft 212 is fixedly provided on one side of the lower fixed ring 21 near the upper position of the fixed shell 29, and a mounting seat 213 is fixedly provided on one side of the upper fixed ring 22.

[0031] The lower fixing ring 21 and the upper fixing ring 22 are both connected together by two semi-arc-shaped rotations. One side of the lower fixing ring 21 and the upper fixing ring 22 are fixedly connected by bolts. The four groups of protrusions 23 on the upper fixing ring 22 are threadedly connected to the four groups of threaded rods 24. The four groups of first gears 25 are meshed with the half-toothed ring 27. The half-toothed ring 27 is slidably set with the arc sleeve 26. The second gear 210 is meshed with the half-toothed ring 27. The circuit breaker body 5 is fixedly mounted on the upper end of the movable seat 41 by bolts.

[0032] The lower fixing ring 21, the upper fixing ring 22, the left fixing ring 31 and the right fixing ring 32 are put on the outside of the electric pole 1 and fixed with bolts, and then the circuit breaker body 5 is fixedly installed on the upper end of the movable seat 41 to complete the overall installation work. When the height needs to be adjusted later, the bolts of the upper fixing ring 22 can be loosened, and then the second gear 210 is driven by the control rod 211 to rotate and drive the half-toothed ring 27, and then the half-toothed ring 27 drives the four groups of first gears 25 and the four groups of threaded rods 24 to rotate forward and backward, so that the four groups of threaded protrusions 23 and the upper fixing ring 22 move upward or downward, driving the circuit breaker body 5 set on the upper side of the mounting seat 213 to move up and down, solving the problem of insufficient safety distance caused by ground subsidence, foundation deformation or installation error.

[0033] The buffer assembly 3 includes a left fixed ring 31 that is sleeved on the outside of the telephone pole 1, and a right fixed ring 32 is rotatably provided on the left fixed ring 31. Two groups of figure-eight spring pieces 33 are fixedly provided on the outside of the left fixed ring 31 and the right fixed ring 32 respectively. Round blocks 34 are fixedly provided on the outside of the four groups of threaded rods 24, and fastening spring rings 35 are fixedly provided on the upper ends of the four groups of round blocks 34, and circular rings 36 are fixedly provided on the upper ends of the four groups of fastening spring rings 35.

[0034] The left fixing ring 31 and the right fixing ring 32 are sleeved on the outside of the electric pole 1. The left fixing ring 31 and the right fixing ring 32 are fixedly connected on one side by bolts. The eight-shaped spring piece 33 is restricted on the outside of the round block 34. The fastening spring ring 35 is sleeved between the round block 34 outside the threaded rod 24 and the raised portion 23 on the upper fixing ring 22.

[0035] When encountering strong convective weather, the upper fixing ring 22 and the circuit breaker body 5 are likely to be subjected to increased axial deflection force. The four groups of eight-shaped spring pieces 33 protect the elastic resistance of the four groups of round blocks 34, thereby increasing the wind resistance of the circuit breaker body 5. The elastic resistance can quickly consume wind load energy, significantly reducing the instantaneous swing amplitude of the circuit breaker body 5, avoiding structural damage caused by excessive deflection, and reducing the accumulation of fatigue damage to the supporting structure.

[0036] The support assembly 4 includes a movable seat 41 arranged on the upper side of the mounting seat 213, two groups of connecting sleeves 42 are fixedly provided at the lower end of the movable seat 41, two groups of movable openings 43 are opened on the inner side of the mounting seat 213 at positions corresponding to the connecting sleeves 42, and screw rods 44 are rotatably provided on the two groups of connecting sleeves 42 and the inner side of the mounting seat 213, and side pieces 45 are fixedly provided at positions near one side of the front and rear ends of the movable seat 41, and fixed shafts 46 are rotatably provided on the lower sides of the two groups of side pieces 45, and movable openings 47 are opened on one side of the mounting seat 213 at positions corresponding to the two groups of fixed shafts 46, and the outer sides of the two groups of fixed shafts 46 are both sleeved on sleeve rods 48, and telescopic rods 49 are slidably provided on the inner sides of the two groups of sleeve rods 48. Two groups of reinforcement blocks 410 are fixedly arranged between the two groups of sleeve rods 48, and two groups of sliding openings 411 are opened on the inner side of one group of the two groups of reinforcement blocks 410, and positioning sliders 412 are slidably arranged on the inner sides of the two groups of sliding openings 411. Two groups of return springs 413 are fixedly arranged between the two groups of positioning sliders 412 and the inner walls of the two groups of sliding openings 411, and round rods 414 are fixedly arranged on the inner sides of the two groups of positioning sliders 412. A rotating rod 415 is fixedly arranged in the middle position of the reinforcement block 410, and two groups of push pieces 416 are fixedly arranged on the upper and lower sides of the rotating rod 415. The telescopic rod 49 is provided with several groups of tooth grooves 417 at the positions corresponding to the two groups of positioning sliders 412.

[0037] The movable seat 41 is slidably arranged with the movable mouth 43, the connecting sleeve 42 is threadedly connected with the screw rod 44, a handwheel is installed on the side of the screw rod 44 close to the electric pole 1, the fixed shaft 46 is movably arranged in the movable mouth 47, the telescopic rod 49 and the connecting shaft 212 are rotatably arranged, the two groups of positioning sliders 412 respectively pass through one side of the two groups of sleeve rods 48 to the tooth groove 417, one side of the positioning slider 412 is arc-shaped, the round rod 414 passes through the inner side of the sliding mouth 411, and the push piece 416 is close to the outer side of the round rod 414.

[0038] The hand wheel drives the screw rod 44 to rotate forward or reverse, driving the two sets of connecting sleeves 42 connected by thread to drive the movable seat 41 and the circuit breaker body 5 to move the positions on both sides, reducing the additional mechanical stress caused by the angle deviation, optimizing the reliability of the electrical connection and the convenience of operation and maintenance. In the process of the movable seat 41 moving to the left, it will drive the side pieces 45 and the fixed shaft 46 on both sides to slide along the moving opening 47, and the telescopic rod 49 will rotate along the connecting shaft 212 to meet the telescopic work of the sleeve rod 48 and the telescopic rod 49. One side of the positioning slider 412 is set in an arc shape to meet the telescopic rod 49 from the sleeve rod 48. When the movable seat 41 and the circuit breaker body 5 are moved, the supporting point of the sleeve rod 48 will change with the movement of the movable seat 41 and the circuit breaker body 5, and the displaced circuit breaker body 5 will always be stably supported. When the movable seat 41 and the circuit breaker body 5 are retracted, the two sets of round rods 414 and the positioning slider 412 are pushed along the sliding opening 411 by rotating the rotating rod 415 and the two sets of push pieces 416 to slide together, so as to realize the positioning of the telescopic rod 49 by the two sets of positioning sliders 412, thereby meeting the positioning requirements during the telescopic work and improving the stability of the circuit breaker body 5 after installation and adjustment.

[0039] Working principle: When in use, the lower fixing ring 21 and the upper fixing ring 22 as well as the left fixing ring 31 and the right fixing ring 32 are put on the outside of the electric pole 1 and fixed by bolts, and then the circuit breaker body 5 is fixedly installed on the upper end of the movable seat 41 to complete the overall installation work. When the height adjustment is required later, the bolts of the upper fixing ring 22 can be loosened, and then the second gear 210 is driven by the control rod 211 to rotate and drive the half gear ring 27, and then the half gear ring 27 drives the four groups of first gears 25 and the four groups of threaded rods 24 to rotate forward and backward, so that the four groups of threaded protrusions 23 and the upper fixing ring 22 are upward or downward. The breaker body 5 moves downward, driving the breaker body 5 provided on the upper side of the mounting seat 213 to move up and down, solving the problem of insufficient safety distance caused by ground settlement, foundation deformation or installation error. Secondly, when encountering strong convective weather, it is easy to cause the upper fixing ring 22 and the breaker body 5 to be subjected to increased axial deflection force. The four groups of eight-shaped spring pieces 33 protect the elastic resistance of the four groups of round blocks 34, so that the wind resistance of the breaker body 5 is increased. The elastic resistance can quickly consume the wind load energy, significantly reduce the instantaneous swing amplitude of the breaker body 5, avoid structural damage due to excessive deflection, and reduce fatigue damage to the supporting structure. Injury accumulation; In addition, the hand wheel drives the screw rod 44 to rotate forward or reverse, driving the two sets of connecting sleeves 42 connected by thread to drive the movable seat 41 and the circuit breaker body 5 to move the positions on both sides, reducing the additional mechanical stress caused by the angle deviation, optimizing the reliability of the electrical connection and the convenience of operation and maintenance, and in the process of the movable seat 41 moving to the left, it will drive the side pieces 45 and the fixed shaft 46 on both sides to slide along the moving mouth 47, and the telescopic rod 49 will rotate along the connecting shaft 212 to meet the telescopic work of the sleeve rod 48 and the telescopic rod 49, and one side of the positioning slider 412 is set in an arc shape to meet the telescopic rod 49 from the sleeve rod 48, but the other side will be restricted in the tooth groove 417 on the telescopic rod 49 to prevent it from shrinking into the sleeve rod 48, and the support point of the sleeve rod 48 will change with the movement position of the movable seat 41 and the circuit breaker body 5, always providing stable support for the displaced circuit breaker body 5. When retracting, the two groups of round rods 414 and the positioning slider 412 are pushed along the sliding opening 411 by rotating the rotating rod 415 and the two groups of push pieces 416 to slide together, so as to realize the positioning of the telescopic rod 49 by the two groups of positioning sliders 412, thereby meeting the positioning during the telescopic work and improving the stability of the circuit breaker body 5 after installation and adjustment.

[0040] The electric pole 1 and the circuit breaker body 5 of the present invention are electrical components of the existing structure in the field, and the usage and connection methods of other components are common knowledge in the field. Their working principles are already well-known technologies, and the models are selected according to actual use. Therefore, they will not be explained in detail.

[0041] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A high-stability primary and secondary fusion pole-mounted circuit breaker, comprising a power pole (1), characterized in that: Two groups of mounting components (2) are provided on the outside of the electric pole (1), a buffer component (3) is provided on the outside of the electric pole (1) near the inside of the mounting component (2), a support component (4) is provided on one side of the mounting component (2), a circuit breaker body (5) is installed on the upper side of the support component (4), the mounting component (2) comprises a lower fixing ring (21) sleeved on the outside of the electric pole (1), an upper fixing ring (22) is sleeved on the outside of the electric pole (1) near the upper side of the lower fixing ring (21), four groups of protrusions (23) are fixedly provided on the outside of the lower fixing ring (21) and the upper fixing ring (22), threaded rods (24) are movably provided on the inside of the corresponding protrusions (23) on the outside of the lower fixing ring (21) and the upper fixing ring (22), the threaded rods A first gear (25) is fixedly provided at the lower end of the (24), two groups of arc sleeves (26) are fixedly provided on the lower side of the upper fixed ring (22), and semi-toothed rings (27) are movably provided on the inner sides of the two groups of arc sleeves (26), and slide grooves (28) are provided on the lower sides of the two groups of semi-toothed rings (27). A fixed shell (29) is fixedly provided on the upper side of the two groups of arc sleeves (26) that is close to the support component (4), and a second gear (210) is rotatably provided on the inner side of the fixed shell (29), and a control rod (211) is fixedly provided at the lower end of the second gear (210), a connecting shaft (212) is fixedly provided on one side of the lower fixed ring (21) near the upper position of the fixed shell (29), and a mounting seat (213) is fixedly provided on one side of the upper fixed ring (22).

2. A high-stability primary and secondary fusion column mounted circuit breaker according to claim 1, characterized in that: The buffer assembly (3) comprises a left fixing ring (31) sleeved on the outside of the electric pole (1); a right fixing ring (32) is rotatably provided on the left fixing ring (31); two groups of eight-shaped spring pieces (33) are fixedly provided on the outside of the left fixing ring (31) and the right fixing ring (32); round blocks (34) are fixedly provided on the outside of the four groups of threaded rods (24); fastening spring rings (35) are fixedly provided on the upper ends of the four groups of round blocks (34); and round rings (36) are fixedly provided on the upper ends of the four groups of fastening spring rings (35).

3. The high-stability primary and secondary fusion column mounted circuit breaker according to claim 2, characterized in that: The support assembly (4) includes a movable seat (41) arranged on the upper side of the mounting seat (213), two groups of connecting sleeves (42) are fixedly arranged at the lower end of the movable seat (41), two groups of movable openings (43) are opened at the positions corresponding to the connecting sleeves (42) on the inner side of the mounting seat (213), and screw rods (44) are rotatably arranged on the inner side of the two groups of connecting sleeves (42) and the mounting seat (213), and side plates (45) are fixedly arranged at the front and rear ends of the movable seat (41) near one side, and fixed shafts (46) are rotatably arranged on the lower sides of the two groups of side plates (45), and movable openings (47) are opened on one side of the mounting seat (213) at positions corresponding to the two groups of fixed shafts (46), and the outer sides of the two groups of fixed shafts (46) are sleeved on the sleeve rods (48), and the inner sides of the two groups of sleeve rods (48) are slidably provided with telescopic rods. (49), two groups of reinforcing blocks (410) are fixedly arranged between the two groups of sleeve rods (48), two groups of sliding openings (411) are opened on the inner side of one of the two groups of reinforcing blocks (410), positioning sliders (412) are slidably arranged on the inner sides of the two groups of sliding openings (411), two groups of return springs (413) are fixedly arranged between the two groups of positioning sliders (412) and the inner walls of the two groups of sliding openings (411), round rods (414) are fixedly arranged on the inner sides of the two groups of positioning sliders (412), a rotating rod (415) is fixedly arranged at the middle position of the reinforcing block (410), and two groups of push pieces (416) are fixedly arranged on the upper and lower sides of the rotating rod (415), and a plurality of groups of tooth grooves (417) are opened on the telescopic rod (49) corresponding to the positions of the two groups of positioning sliders (412).

4. The high-stability primary and secondary fusion column mounted circuit breaker according to claim 1, characterized in that: The lower fixing ring (21) and the upper fixing ring (22) are both two pieces connected together by semi-arc rotation. One side of the lower fixing ring (21) and the upper fixing ring (22) are fixedly connected by bolts. The four groups of raised portions (23) on the upper fixing ring (22) are all threadedly connected to the four groups of threaded rods (24).

5. The high-stability primary and secondary fusion column mounted circuit breaker according to claim 1, characterized in that: The four groups of the first gears (25) are all meshed with the half-gear ring (27), the half-gear ring (27) and the arc sleeve (26) are slidably arranged, the second gear (210) is meshed with the half-gear ring (27), and the circuit breaker body (5) is fixedly mounted on the upper end of the movable seat (41) by bolts.

6. The high-stability primary and secondary fusion column mounted circuit breaker according to claim 2, characterized in that: The left fixing ring (31) and the right fixing ring (32) are sleeved on the outside of the electric pole (1); one side of the left fixing ring (31) and the right fixing ring (32) are fixedly connected by bolts; the eight-shaped spring piece (33) is restricted on the outside of the round block (34); and the fastening spring ring (35) is sleeved between the round block (34) outside the threaded rod (24) and the raised portion (23) on the upper fixing ring (22).

7. The high-stability primary and secondary fusion column mounted circuit breaker according to claim 3, characterized in that: The movable seat (41) and the movable opening (43) are slidably arranged, the connecting sleeve (42) and the screw rod (44) are threadedly connected, a hand wheel is installed on the side of the screw rod (44) facing the electric pole (1), and the fixed shaft (46) is movably arranged in the movable opening (47).

8. The high-stability primary and secondary fusion column mounted circuit breaker according to claim 3, characterized in that: The telescopic rod (49) and the connecting shaft (212) are rotatably arranged, and the two groups of positioning sliders (412) respectively pass through one side of the two groups of sleeve rods (48) to the tooth groove (417), and one side of the positioning slider (412) is arranged in an arc shape. The round rod (414) passes through the inner side of the sliding opening (411), and the push piece (416) leans against the outer side of the round rod (414).

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