Combined outdoor vacuum pole-mounted circuit breaker

Abstract

The utility model relates to the technical field of vacuum circuit breakers, in particular to a combined outdoor vacuum pole-mounted circuit breaker. The device comprises a circuit breaker, a mutual inductor and a cross arm assembly. The cross arm assembly comprises a main cross arm and an assembling cross arm, the main cross arm and the assembling cross arm are arranged in parallel and are connected through a connecting rod, a plurality of assembling seats are sequentially arranged in the middle of the main cross arm and the assembling cross arm, and the circuit breaker and the mutual inductor are sequentially installed on the cross arm assembly through the assembling seats; adjusting rods are movably arranged at the two ends of the assembling cross arm respectively, the adjusting rods are hinged to the ends of the assembling cross arm, fastening bases are oppositely arranged between the ends of the assembling cross arm and the adjusting rods, and the adjusting rods are used for conducting reset fastening after being staggered and placing the cross arm assembly into the mounting column and limiting the cross arm assembly on the mounting column. According to the outdoor pole-mounted circuit breaker, 70% of pole-mounted installation time can be reduced, installation difficulty is greatly reduced, potential safety hazards of constructors are reduced, and convenience, reliability and safety of installation of the outdoor pole-mounted circuit breaker are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum circuit breakers, in particular to a combined outdoor vacuum column-mounted circuit breaker. Background Art

[0002] In power systems, outdoor vacuum pole-mounted circuit breakers, as key distribution equipment, are widely used in urban and rural power grids, as well as in various industrial power applications. They play a vital role in the safe and stable operation of power systems. However, traditional outdoor vacuum pole-mounted circuit breakers face a series of technical difficulties during installation. These challenges not only affect installation efficiency but also increase safety risks during operation.

[0003] The installation process for traditional outdoor vacuum pole-mounted circuit breakers is complex and time-consuming. The numerous components required for installation and commissioning on the pole prolong the installation process. Furthermore, the limited working space on the pole creates significant operational challenges for installers, further increasing installation time. Furthermore, pole-mounted installation often requires high altitudes, placing high demands on the installer's physical fitness and technical skills while also increasing safety risks.

[0004] In order to solve the problem of long installation time on the pole, patent announcement number CN220475111U (patent name: an integrated pole-mounted bracket) discloses a solution in which all components except the clamp are made into an integrated structure. However, although this solution reduces the installation process, it still takes a long time to install the electrical equipment on the pole after the bracket is installed. The installation time for the construction workers is long, and the solution is not suitable for the installation of the increasingly common double-pole mounted circuit breakers. Utility Model Content

[0005] In order to solve the technical problems that the current outdoor vacuum pole-mounted circuit breaker is complicated and difficult to install, the construction workers have to spend a long time on the pole to install it, and there are great safety hazards, the utility model provides a combined outdoor vacuum pole-mounted circuit breaker.

[0006] Specifically, the utility model provides a combined outdoor vacuum column-mounted circuit breaker, comprising a circuit breaker, a transformer and a crossarm assembly; the crossarm assembly comprises a main crossarm and a group crossarm, the main crossarm and the group crossarm are arranged in parallel, and the two are connected by a connecting rod, and a plurality of assembly seats are sequentially provided at the middle parts of the main crossarm and the group crossarm, and the circuit breaker and the transformer are sequentially installed on the crossarm assembly through the assembly seats; the two ends of the group crossarm are respectively movably provided with adjustment rods, the adjustment rods are hinged to the ends of the group crossarm, and a fastening seat is relatively provided between the ends of the group crossarm and the adjustment rod, and the adjustment rod is used to stagger and place the crossarm assembly into the installation column, and then reset and fasten it to limit the crossarm assembly to the installation column.

[0007] Furthermore, a connecting seat is provided at the end of the assembled cross arm, a through hole is provided on the connecting seat, a docking portion is provided on the adjusting rod, a connecting hole is correspondingly provided on the docking portion, the docking portion is opposite to the connecting seat, and is fastened to the connecting seat by a first fastener.

[0008] Furthermore, the connecting seat is formed by being recessed inward from the middle of the end portion of the assembled cross arm, and the shape of the docking portion of the adjusting rod matches the shape of the connecting seat.

[0009] Furthermore, the fastening seat is formed by protruding toward the same side from the joint portion where the end of the cross arm is assembled / the adjustment rod is connected.

[0010] Furthermore, both ends of the connecting rod are perpendicular to the cross arm assembly, and are respectively connected to the main cross arm and the connecting cross arm.

[0011] Furthermore, the assembly seat includes a first assembly seat and a second assembly seat; the first assembly seat is arranged in the middle of the cross arm component, and the second assembly seat is arranged on both sides of the first assembly seat.

[0012] Furthermore, the second assembly seat is in the form of a long groove, the mutual inductor is fixedly mounted on the second assembly seat by fasteners, and the horizontal position of the mutual inductor can be adjusted on the second assembly seat.

[0013] Furthermore, it also includes a hoop, which is fixedly connected to the bottom of the adjusting rod.

[0014] Furthermore, a slot seat is provided at the bottom of the circuit breaker and the mutual inductor, and a row of docking holes is provided on the slot seat, and the docking holes adjust the distance between the connecting cross arm and the main cross arm.

[0015] Furthermore, the mutual inductor includes a three-way mutual inductor and a one-way mutual inductor; the three-way mutual inductor and the one-way mutual inductor are respectively arranged on both sides of the circuit breaker.

[0016] The combined vacuum pole-mounted circuit breaker of the present invention can be pre-installed on the ground according to the on-site conditions. Then, the combined circuit breaker and cross-arm assembly are placed under the two mounting poles through the avoidance seat by hoisting equipment or a forklift. The adjusting rod is reset and locked to achieve preliminary tightening under the pole. Then, the combined vacuum pole-mounted circuit breaker is lifted to a preset position by vertical hoisting on the pole. The clamp is installed and the corresponding fasteners are tightened to complete the pole-mounted installation of the vacuum circuit breaker. This method can reduce the pole-mounted installation time by 70%, greatly reduce the installation difficulty, reduce the safety hazards of construction workers, and improve the convenience, reliability and safety of outdoor pole-mounted circuit breaker installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is an assembly structure diagram of the combined outdoor vacuum column circuit breaker according to an embodiment of the present application.

[0018] Figure 2 This is a three-dimensional structural diagram of the cross-arm assembly of an embodiment of the present application.

[0019] Figure 3 This is a structural diagram of the cross-arm components in the staggered state according to an embodiment of the present application.

[0020] Figure 4 This is a partially enlarged view of the crossarm assembly of an embodiment of the present application.

[0021] Figure 5 This is a bottom structure diagram of the cross-arm components in the staggered state according to an embodiment of the present application.

[0022] Reference numerals:

[0023] The circuit breaker is 10, the mutual inductor is 20;

[0024] The cross arm assembly is 30, the main cross arm is 31, the connecting cross arm is 32, the assembly seat is 33, the adjustment rod is 34, the fastening seat is 35, the connecting seat is 321, the docking portion is 331, the first assembly seat is 331, and the second assembly seat is 332;

[0025] The connecting rod is 40, the clamp is 50, the slot seat is 60, and the mounting column is 70. DETAILED DESCRIPTION

[0026] It should be noted that, unless there is a conflict, the embodiments and technical features in the embodiments of this application can be combined with each other, and the detailed description in the specific implementation method should be understood as an explanation of the purpose of this application and should not be regarded as an improper restriction on this application.

[0027] To make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the specific technical solutions of the present application will be further described in detail below in conjunction with the drawings in the embodiments of the present application. The following embodiments are used to illustrate the present application but are not intended to limit the scope of the present application.

[0028] In the embodiments of this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of this application, unless otherwise specified, "multiple" means two or more.

[0029] In addition, in the embodiments of the present application, directional terms such as "up", "down", "left" and "right" are defined relative to the orientation of the components in the drawings. It should be understood that these directional terms are relative concepts. They are used for relative description and clarification, and they may change accordingly according to changes in the orientation of the components in the drawings.

[0030] In the embodiments of the present application, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integrated connection; it can be a direct connection or an indirect connection through an intermediate medium.

[0031] In the embodiments of the present application, the terms "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion. In the absence of further limitations, an element defined by the phrase "comprises a ..." does not preclude the presence of other identical elements in the process, method, article, or apparatus that includes the element.

[0032] In the embodiments of this application, words such as "exemplary" or "for example" are used to indicate examples, illustrations, or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of this application should not be interpreted as being preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "for example" is intended to present the relevant concepts in a concrete manner.

[0033] Example 1:

[0034] See Figure 1-5 In order to solve the problems of complex and difficult installation of current outdoor vacuum pole-mounted circuit breakers, long pole installation time and great safety hazards, this embodiment provides a combined outdoor vacuum pole-mounted circuit breaker. The circuit breaker 10 can be assembled in a combined manner at the factory, pre-installed under the pole, and then hoisted and fixed, thereby reducing the pole installation time and reducing safety hazards.

[0035] In terms of specific structure, this embodiment includes a circuit breaker 10, a transformer 20, and a crossarm assembly 30. The circuit breaker 10 is a vacuum circuit breaker designed for dual-pole installation and requires the crossarm assembly 30 for installation. The crossarm assembly 30 includes a main crossarm 31 and a ganged crossarm 32, which are arranged in parallel. The bottom ends of the circuit breaker 10 are connected to the main crossarm 31 and ganged crossarm 32, respectively, thereby securing the circuit breaker 10 relative to the main crossarm 31 and ganged crossarm 32. Furthermore, the main crossarm 31 and ganged crossarm 32 are connected by a connecting rod 40, forming a stable whole. During installation, the load of the circuit breaker 10 is distributed to the pole via the main crossarm 31 and ganged crossarm 32. During installation, a plurality of assembly seats 33 are sequentially provided in the middle of the main cross arm 31 and the connecting cross arm 32 , and the circuit breaker 10 and the mutual inductor 20 are sequentially installed on the cross arm assembly 30 through the assembly seats 33 .

[0036] As a key point, in order to achieve the effect of pre-assembly, the two ends of the assembled cross arm 32 are respectively provided with an adjusting rod 34, which is hinged to the end of the assembled cross arm 32 and is oppositely provided with a fastening seat 35. The adjusting rod 34 is used to rotate and stagger, forming a clearance seat at the two ends of the connecting cross bar. At the installation site, the construction personnel use lifting equipment or a forklift to place the assembled circuit breaker 10 and the cross arm assembly 30 under the two mounting columns 70 through the clearance seat. After resetting the adjusting rod 34, the first fastener is placed in the fastening seat 35 for preliminary tightening, so that the cross arm assembly 30 is limited in the vertical direction of the mounting column 70. After subsequently hoisting it to the preset position by hoisting, the clamp 50 is installed and the corresponding first fastener is tightened to complete the column installation of the vacuum circuit breaker. This method can reduce the column installation time by 70%, greatly reduce the installation difficulty, and ensure the safety of the construction personnel.

[0037] For a better operating experience, please refer to Figure 1-5 , some specific implementation methods of this embodiment are provided below.

[0038] Preferably, a connecting seat 321 is provided at the end of the assembly crossarm 32, and a through-hole is provided in the connecting seat 321. The adjustment rod 34 is provided with a docking portion 331, and a corresponding connecting hole is provided in the docking portion 331. The docking portion 331 is opposite the connecting seat 321 and is fastened to the connecting seat 321 via a second fastener. The connecting seat 321 is primarily used to mate with the docking portion 331 to achieve a movable connection between the assembly crossarm 32 and the adjustment rod 34. For example, the docking portion 331 is inserted into the connecting seat 321, and the connecting hole of the docking portion 331 and the through-hole of the connecting seat 321 are concentric. The second fastener is then passed through the connecting hole and the through-hole to achieve a rotational connection between the assembly crossarm 32 and the adjustment rod 34. The advantage of this is that the adjustment rod 34 can be rotated and dislocated when the combined outdoor vacuum column circuit breaker is placed in the installation group to avoid the installation column position. After the circuit breaker 10 is placed in the installation position of the installation column 70, the adjustment rod 34 is reset and then the adjustment rod 34 and the assembly cross arm 32 are locked.

[0039] As a preferred embodiment of the above scheme, the connecting seat 321 is formed by being recessed inward from the middle portion of the end of the assembly crossarm 32, and the shape of the docking portion 331 of the adjustment rod 34 matches the shape of the connecting seat 321. The connecting seat 321 is recessed inward from the middle portion of the bottom surface of the end of the assembly crossarm 32 to form a slot, into which the docking portion 331 of the adjustment rod 34 is inserted. The connecting hole of the docking portion 331 and the through hole of the connecting seat 321 are concentrically aligned and locked by a second fastener. Preferably, the fastening seat 35 is formed by protruding toward the same side from the docking portion 331 of the end of the assembly crossarm 32 and the adjustment rod 34. In this way, the second fastener passes through the fastening seat 35, and after the adjustment rod 34 is reset, a fastening connection between the assembly crossarm 32 and the adjustment rod 34 is achieved. Specifically, the second fastener is a bolt, which passes through the fastening seat 35 on the assembly crossarm 32 and the adjustment rod 34, respectively, thereby achieving locking between the two.

[0040] Preferably, both ends of the connecting rod 40 are perpendicular to the crossarm assembly 30 and are respectively connected to the main crossarm 31 and the connecting crossarm 32. Its primary function is to maintain the overall stability of the crossarm assembly 30, that is, to fix the distance between the main crossarm 31 and the connecting crossarm 32. Multiple connecting rods 40 may be provided, and each of the multiple connecting rods 40 is correspondingly arranged at different positions of the crossarm assembly 30, thereby ensuring the stability of the crossarm assembly 30.

[0041] Since the circuit breaker 10 is usually installed in conjunction with the transformer 20, in order to solve the problem that the circuit breaker 10 needs to be installed and hoisted separately during installation and then connected to the wires after hoisting, in this embodiment, the assembly seat 33 includes a first assembly seat 331 and a second assembly seat 332. The first assembly seat 331 is disposed in the middle of the cross-arm assembly 30, and the second assembly seats 332 are disposed on both sides of the first assembly seat 331. The first assembly seat 331 is used to complete the installation of the circuit breaker 10 on the cross-arm assembly 30, and the second assembly seat 332 is mainly used to complete the installation of the transformer 20 on the cross-arm assembly 30.

[0042] Because the relative distance between the two columns varies at different circuit breaker installation locations, the second assembly seats 332 are formed into elongated grooves. The three-way mutual inductor 20 and the one-way mutual inductor 20 are fixed to the second assembly seats 332 on the left and right sides of the circuit breaker 10 via fasteners. These seats can be adjusted within the second assembly seats 332. Therefore, when the relative distance between the two columns is large, the distance between the circuit breaker 10 and the mutual inductor 20 can be appropriately increased to achieve force balance and improve the reliability of the installation of the cross-arm assembly 30. Furthermore, to assist in securing the cross-arm assembly 30 after hoisting, the combined circuit breaker 10 of this embodiment also includes a clamp 50. The clamp 50 is mounted on the mounting column 70 and fixedly connected to the bottom of the adjustment rod 34 via a support rod, thereby supporting the cross-arm assembly 30.

[0043] In order to facilitate installation and assembly, a slot seat 60 is set at the bottom of the circuit breaker 10, the three-way mutual inductor 20, and the one-way mutual inductor 20. A row of docking holes is set on the slot seat 60. The docking holes adjust the distance between the connecting crossarm 32 and the main crossarm 31. In this way, the distance between the main crossarm 31 and the connecting crossarm 32 can be adjusted accordingly according to the size of the installation column.

[0044] Preferably, the mutual inductor 20 includes a three-way mutual inductor 20 and a one-way mutual inductor 20 , and the three-way mutual inductor 20 and the one-way mutual inductor 20 are respectively arranged on both sides of the circuit breaker 10 .

[0045] The serial numbers of the embodiments of this application are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments. The above are only preferred embodiments of this application and do not limit the scope of the patent of this application. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of this application, or directly or indirectly applied in other related technical fields, are also included in the scope of patent protection of this application.

Claims

1. A combined outdoor vacuum column mounted circuit breaker, characterized in that: The cross-arm assembly comprises a circuit breaker, a transformer and a cross-arm assembly; the cross-arm assembly comprises a main cross-arm and a connecting cross-arm, the main cross-arm and the connecting cross-arm being arranged in parallel and connected by a connecting rod, a plurality of assembly seats being sequentially provided at the middle of the main cross-arm and the connecting cross-arm, and the circuit breaker and the transformer being sequentially mounted on the cross-arm assembly via the assembly seats; an adjusting rod is movably provided at each end of the connecting cross-arm, the adjusting rod being hinged to the end of the connecting cross-arm, and a fastening seat being relatively provided between the end of the connecting cross-arm and the adjusting rod, the adjusting rod being used to stagger and place the cross-arm assembly into the mounting column, and then reset and fasten the cross-arm assembly to limit the position of the cross-arm assembly on the mounting column.

2. The combined outdoor vacuum column mounted circuit breaker according to claim 1, characterized in that: A connecting seat is provided at the end of the assembled cross arm, a through hole is provided on the connecting seat, a docking portion is provided on the adjusting rod, a connecting hole is correspondingly provided on the docking portion, the docking portion is opposite to the connecting seat, and is fastened to the connecting seat by a first fastener.

3. The combined outdoor vacuum column mounted circuit breaker according to claim 2, characterized in that: The connecting seat is formed by being recessed inward from the middle of the end portion of the assembled cross arm, and the shape of the docking portion of the adjusting rod matches the shape of the connecting seat.

4. The combined outdoor vacuum column mounted circuit breaker according to claim 1, characterized in that: The fastening seat is formed by protruding toward the same side from the butt joint of the end portion of the assembled cross arm / adjusting rod.

5. The combined outdoor vacuum column mounted circuit breaker according to claim 1, characterized in that: Both ends of the connecting rod are perpendicular to the cross arm assembly, and are respectively connected to the main cross arm and the connecting cross arm.

6. The combined outdoor vacuum column mounted circuit breaker according to claim 1, characterized in that: The assembly seat includes a first assembly seat and a second assembly seat; the first assembly seat is arranged in the middle of the cross arm component, and the second assembly seat is arranged on both sides of the first assembly seat.

7. The combined outdoor vacuum column mounted circuit breaker according to claim 6, characterized in that: The second assembly seat includes a long groove, and the mutual inductor is fixedly mounted on the second assembly seat by a fastener, and the horizontal position of the mutual inductor can be adjusted on the second assembly seat.

8. The combined outdoor vacuum column mounted circuit breaker according to claim 1, characterized in that: It also includes a hoop, which is fixedly connected to the bottom of the adjusting rod.

9. The combined outdoor vacuum column mounted circuit breaker according to claim 1, characterized in that: A slot seat is provided at the bottom of the circuit breaker and the mutual inductor, and a row of docking holes is provided on the slot seat. The docking holes adjust the distance between the gang cross arm and the main cross arm.

10. The combined outdoor vacuum column mounted circuit breaker according to claim 1, characterized in that: The mutual inductor includes a three-way mutual inductor and a one-way mutual inductor; the three-way mutual inductor and the one-way mutual inductor are respectively arranged on both sides of the circuit breaker.

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