CN218102568U - Neutral point complete device with movable isolating switch - Google Patents

Neutral point complete device with movable isolating switch Download PDF

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Publication number
CN218102568U
CN218102568U CN202220505138.7U CN202220505138U CN218102568U CN 218102568 U CN218102568 U CN 218102568U CN 202220505138 U CN202220505138 U CN 202220505138U CN 218102568 U CN218102568 U CN 218102568U
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CN
China
Prior art keywords
isolating switch
neutral point
telescopic rod
steel bracket
guide rail
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Application number
CN202220505138.7U
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Chinese (zh)
Inventor
胡源
吴鹏
张帅
王宁
李燕
赵彭辉
邢琳
邵华
杨宏伟
郭计元
宫世杰
唐帅
王朔
王丽欢
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Hebei Huizhi Electric Power Engineering Design Co ltd
State Grid Corp of China SGCC
Economic and Technological Research Institute of State Grid Hebei Electric Power Co Ltd
Original Assignee
Hebei Huizhi Electric Power Engineering Design Co ltd
State Grid Corp of China SGCC
Economic and Technological Research Institute of State Grid Hebei Electric Power Co Ltd
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Application filed by Hebei Huizhi Electric Power Engineering Design Co ltd, State Grid Corp of China SGCC, Economic and Technological Research Institute of State Grid Hebei Electric Power Co Ltd filed Critical Hebei Huizhi Electric Power Engineering Design Co ltd
Priority to CN202220505138.7U priority Critical patent/CN218102568U/en
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Abstract

The utility model provides a neutral point complete device with a movable isolating switch, belonging to the technical field of power supply equipment, comprising a steel bracket and a telescopic rod; the upper end of the steel bracket is provided with a beam, and the beam is provided with a plurality of connecting holes for installing the isolating switch; the telescopic rod is arranged on the steel support and connected with the isolating switch, and the isolating switch is driven to move along the length direction of the cross beam and corresponds to the connecting hole. The utility model provides a neutral point complete equipment with a movable isolating switch, which drives the isolating switch to move horizontally through the extension and retraction of the telescopic rod so as to adjust the distance between the isolating switch and the lightning arrester; the beam is provided with a plurality of connecting holes so as to correspondingly fix the isolating switches at different positions; the isolating switch under various different conditions can always meet the requirement of safe distance; avoids large-scale change during installation, and achieves the purposes of quality improvement and efficiency improvement.

Description

Neutral point complete device with movable isolating switch
Technical Field
The utility model belongs to the technical field of power supply unit, more specifically say, relate to a neutral point integrated equipment with portable isolator.
Background
The transformer neutral point complete set protection device is mainly used for overvoltage protection of neutral points of 100KV and 220KV transformers. The general plane layout requirement of the general design of the national grid company and the space limitation are met, the general plane layout is very compact to meet the requirement of the safe clear distance of the equipment, and great difficulty is brought to the design work.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a neutral point integrated equipment with portable isolator aims at solving the problem that the safe clear distance between isolator and the arrester is not up to standard.
In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a neutral point kit with a mobile disconnector, comprising:
the upper end of the steel bracket is provided with a beam, and the beam is provided with a plurality of connecting holes for mounting the isolating switch;
the telescopic rod is arranged on the steel support and connected with the isolating switch, and the isolating switch is driven to move along the length direction of the cross beam and corresponds to the connecting hole.
As another embodiment of this application, the crossbeam includes two branches of parallel arrangement, two all be equipped with on the branch a plurality ofly the connecting hole.
As another embodiment of the present application, the support bar is provided with a guide rail along the length direction thereof.
As another embodiment of the present application, the length of the guide rail is less than half the length of the strut.
As another embodiment of the present application, the cross-section of the guide rail is rectangular.
As another embodiment of the application, the opening end of the guide rail faces upwards, and the connecting hole longitudinally penetrates through the guide rail.
As another embodiment of the application, the end part of the telescopic rod is provided with a mechanism hoop, and the mechanism hoop is connected to the steel bracket.
As another embodiment of the application, an operating mechanism is arranged below the cross beam, one end of the operating mechanism is connected with the end of the telescopic rod, a longitudinal connecting rod used for being connected with the isolating switch is arranged at the upper end of the operating mechanism, and the longitudinal connecting rod has the degree of freedom along the length direction of the longitudinal connecting rod.
As another embodiment of the application, an upper mounting seat is arranged at the upper end of the steel bracket, and the upper mounting seat is connected with the cross beam.
As another embodiment of the application, the lower end of the steel bracket is provided with a lower mounting seat, and the lower mounting seat is connected with the ground by means of foundation bolts.
The utility model provides a neutral point integrated equipment with portable isolator's beneficial effect lies in: compared with the prior art, the isolation switch is driven to move horizontally by the expansion and contraction of the telescopic rod so as to adjust the distance between the isolation switch and the lightning arrester; the beam is provided with a plurality of connecting holes so as to correspondingly fix the isolating switches at different positions; the isolating switch under various different conditions can always meet the requirement of safe distance; avoids large-scale change during installation, and achieves the purpose of quality improvement and efficiency improvement.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a neutral point set with a movable isolating switch according to an embodiment of the present invention;
fig. 2 is a side view of a neutral point kit with a movable disconnector according to an embodiment of the present invention;
fig. 3 is a top view of a neutral point set with a movable isolating switch according to an embodiment of the present invention;
fig. 4 is a top view of a first mounting portion of a strut provided in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an anchor bolt provided by an embodiment of the present invention.
In the figure:
1. an isolating switch;
2. a busbar;
3. a lightning arrester;
4. a first neutral point protection gap bar;
5. a second neutral point protection gap bar;
6. a gap bar support;
7. a current transformer;
8. a cross beam;
9. a longitudinal connecting rod;
10. an operating mechanism;
11. a telescopic rod;
12. a mechanism hoop;
13. a steel bracket;
14. a lower mounting seat;
15. anchor bolts;
16. a strut;
17. connecting holes;
18. a guide rail;
19. and (4) warning lines of the lightning arrester.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 5, the neutral point set with the movable isolating switch of the present invention will now be described. The neutral point complete device with the movable isolating switch comprises a steel bracket 13 and an expansion link 11; the upper end of the steel bracket 13 is provided with a beam 8, and the beam 8 is provided with a plurality of connecting holes 17 for installing the isolating switch 1; the telescopic rod 11 is arranged on the steel support 13, the telescopic rod 11 is connected with the isolating switch 1, and the isolating switch 1 is driven to move along the length direction of the cross beam 8 and corresponds to the connecting hole 17.
Compared with the prior art, the utility model provides a neutral point complete equipment with a movable isolating switch, the upper end of the steel bracket 13 is provided with a beam 8, the beam 8 is provided with a lightning arrester 3 and the like, and the beam 8 is provided with a plurality of connecting holes 17 for installing the isolating switch 1; the telescopic rod 11 is connected with the steel support 13 and the isolating switch 1 to drive the isolating switch 1 to move along the length direction of the beam 8, so that the position of the isolating switch 1 on the beam 8 is adjusted, the distance between the isolating switch 1 and the lightning arrester 3 is cut off, and the base of the isolating switch 1 is connected with the corresponding connecting hole 17 through a bolt after the distance is determined.
The utility model provides a neutral point complete equipment with a movable isolating switch, which drives the isolating switch 1 to move horizontally through the extension and retraction of the telescopic rod 11, so as to adjust the distance between the isolating switch 1 and the lightning arrester 3; a plurality of connecting holes 17 are formed in the cross beam 8 so as to correspondingly fix the isolating switch 1 at different positions; the isolating switch 1 under various different conditions can always meet the requirement of safe distance; avoids large-scale change during installation, and achieves the purposes of quality improvement and efficiency improvement.
Alternatively, the telescopic rod 11 may be an electric push rod or a hydraulic rod.
Optionally, the disconnecting switch 1 is a GW13-72.5 neutral point disconnecting switch 1. The lightning arrester 3 is YH1.5W-60/144 zinc oxide lightning arrester 3.
Optionally, a current transformer 7 is further disposed on the cross beam 8, wherein a gap bar support 6 is disposed at an upper end of the current transformer 7, and a first neutral point protection gap bar 4 is disposed at a top end of the gap bar support 6 and is spaced from a second neutral point protection gap bar 5 on the lightning arrester 3. Optionally, the current transformer 7 is an LMZW-10.
Optionally, the distance between the first neutral point guard gap bar 4 and the second neutral point guard gap bar 5 is 110-135mm.
As a specific implementation manner of the neutral point complete equipment with the mobile isolating switch provided by the embodiment of the present invention, please refer to fig. 1 to fig. 4, the beam 8 includes two parallel supporting rods 16, and a plurality of connecting holes 17 are disposed on the two supporting rods 16.
Specifically, the connecting holes 17 of the two struts 16 are symmetrically arranged and correspond to one another.
The base of the isolating switch 1 is rectangular, bolts are arranged at four corners of the base of the isolating switch 1 and penetrate through the connecting holes 17 in the supporting rod 16 to fix the isolating switch 1.
Optionally, the middle part of the supporting rod 16 is provided with a mounting hole for connecting the lightning arrester 3, and the lightning arrester 3 is connected with the mounting hole by a bolt.
Optionally, the support rod 16 is made of hot-dip galvanized steel channel.
As a specific implementation manner of the neutral point complete equipment with the movable disconnecting switch provided by the embodiment of the present invention, please refer to fig. 4, a guide rail 18 is provided on the supporting rod 16 along the length direction thereof, and the disconnecting switch 1 is slidably disposed on the guide rail 18.
The base of the isolating switch 1 is connected with the guide rail 18 in a sliding manner, and under the action of external force, the isolating switch 1 can slide along the length direction of the guide rail 1818 so as to adjust the distance between the isolating switch 1 and the lightning arrester 3.
When the isolating switch 1 needs to be adjusted, firstly, the bolt on the base of the isolating switch 1 is unscrewed, so that the bolt is separated from the connecting hole 17 on the support rod 16; then, the telescopic rod 11 is driven to extend or retract so as to drive the isolating switch 1 to move horizontally; finally, after the disconnecting switch 1 is moved to the expected position, the disconnecting switch 1 is fixed on the support rod 16.
As an embodiment of the utility model provides a neutral point integrated equipment with portable isolator's a concrete implementation mode, the middle part of branch 16 is provided with arrester 3, and isolator 1 is located one side that current transformer 7 was kept away from to arrester 3. The extension board includes first installation department and second mounting panel, and first installation department and second installation department are located the both sides of arrester 3 respectively, and first installation department is used for installing isolator 1. A guide rail 18 is provided at the first mounting portion, the length of the guide rail 18 being less than half the length of the strut 16.
As an embodiment of the utility model provides a neutral point integrated equipment with portable isolator's a concrete implementation mode is provided with 3 warning lines of arrester on the first installation department, and guide rail 18 is located the outside of 3 warning lines of arrester.
Optionally, the cross section of the guide rail 18 is rectangular, and a sliding block adapted to the guide rail 18 with the rectangular cross section is correspondingly arranged on the base of the isolating switch 1.
Optionally, the rail 18 is a U-shaped rail 18 or a C-shaped rail 18.
As an embodiment of the utility model provides a neutral point integrated equipment with portable isolator's a concrete implementation mode, the open end of guide rail 18 up sets up connecting hole 17 on the 18 bottom plates of guide rail.
When the isolating switch 1 is installed, after the isolating switch 1 slides along the guide rail 18 to the expected position, the base of the isolating switch 1 is fixed with the connecting hole 17 on the bottom plate of the guide rail 18 by means of a bolt.
Optionally, a sliding block is arranged at the lower end of the isolating switch 1, a through hole matched with the connecting hole 17 is formed in the base, and the through hole penetrates through the base and the sliding block.
Optionally, the guide rail 18 is arranged on one side of the connection hole 17, and the sliding block on the base of the isolating switch 1 is connected with the guide rail 18 in a sliding manner; when the isolating switch 1 slides to a predicted position, the through hole on the bottom of the isolating switch corresponds to the connecting hole 17 on the support rod 16; finally, a bolt extends downwards from the base of the isolating switch 1, and a nut is arranged at the lower end of the support rod 16 for fixing.
As a specific implementation manner of the utility model provides a neutral point integrated equipment with portable isolator, guide rail 18 is located on the lateral wall of branch 16, and connecting hole 17 vertically offers on branch 16.
As a specific implementation manner of the neutral point complete equipment with the mobile isolating switch provided by the embodiment of the present invention, please refer to fig. 1, the end of the telescopic rod 11 is provided with the mechanism hoop 12, and the mechanism hoop 12 is connected to the steel bracket 13.
Optionally, the mechanism hoop 12 is a hot galvanizing hoop.
As an embodiment of the utility model provides a neutral point integrated equipment with portable isolator's a specific implementation mode please refer to fig. 1, and 8 below crossbeams are equipped with operating mechanism 10, and the one end of operating mechanism 10 and the end connection of telescopic link 11, the upper end of operating mechanism 10 is equipped with the longitudinal tie rod 9 that is used for connecting isolator 1, and longitudinal tie rod 9 has the degree of freedom along its length direction.
An operating mechanism 10 is generally provided in a disconnector 1 installed in a substation distribution device. The operation of the isolating switch 1 by the operating mechanism 10 can improve the working safety, make the operation of the isolating switch 1 convenient and labor-saving, and realize the mutual locking between the operating mechanism of the isolating switch 1 and the circuit breaker operating mechanism 10 to prevent misoperation.
One side of the operating mechanism 10 is connected with a telescopic rod 11, the upper end of the operating mechanism 10 is provided with a longitudinal connecting rod 9, and the longitudinal connecting rod 9 is connected with the isolating switch 1.
The telescopic rod 11 is arranged in the horizontal direction, and one end of the telescopic rod 11 is connected to the steel bracket 13 through the mechanism hoop 12. The other end of the telescopic rod 11 is detachably connected to the operating mechanism 10.
The longitudinal connecting rod 9 is connected with the isolating switch 1 and the operating mechanism 10, and the height of the operating mechanism 10 can be adjusted by the extension and contraction of the longitudinal connecting rod 9.
When the position of the operating mechanism 10 needs to be adjusted, the mechanism hoop 12 is firstly opened or the bolt thereof is unscrewed, so that a gap exists between the mechanism hoop and the steel bracket 13; the telescopic length of the longitudinal connecting rod 9 is adjusted, and the longitudinal connecting rod 9 drives the operating mechanism 10 to move upwards or downwards until the operating mechanism stops at a specified height; and finally, after the operating mechanism 10 stops moving, fixing the mechanism hoop 12 to the steel bracket 13.
The telescopic performance of the longitudinal connecting rod 9 improves the applicability of the longitudinal connecting rod 9 and reduces the replacement of the longitudinal connecting rod 9.
Alternatively, the longitudinal connecting rod 9 may be an electric push rod or a hydraulic rod.
Alternatively, the actuator 10 may be of the CJTKB model.
As a specific implementation manner of the neutral point complete equipment with the mobile isolating switch provided by the embodiment of the present invention, please refer to fig. 1 and 5, the steel bracket 13 is a cylindrical structure with a circular cross section, and the upper end of the steel bracket 13 is connected with two supporting rods 16 by means of upper mounting seat bolts; the lower end of the steel bracket 13 is connected to the ground by means of a lower mounting base 14.
The upper mounting seat and the lower mounting seat 14 are identical in structure, are rectangular, and are provided with bolt holes at four corners.
The lower mount 14 is connected to the ground by anchor bolts 15. The anchor bolts 15 extend below the ground and may improve the stability of the steel bracket 13.
Alternatively, the anchor bolts 15 are L-shaped or J-shaped.
Alternatively, the anchor bolt 15 is of type M30.
Optionally, a concrete base is arranged at the lower end of the steel bracket 13, and the concrete base is arranged in the pit and the upper end surface of the concrete base is higher than the ground. The anchor bolts 15 connect the lower mount 14 of the steel bracket 13 and the concrete base.
As a specific implementation manner of the neutral point complete equipment with the mobile isolating switch provided by the embodiment of the present invention, please refer to fig. 1, the lower end of the steel bracket 13 is provided with a grounding wire board; the upper part of the steel bracket 13 is also provided with an online monitor.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned functions may be distributed as different functional units and modules according to needs, that is, the internal structure of the apparatus may be divided into different functional units or modules to implement all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
It should be noted that, the methods and the details thereof provided by the foregoing embodiments may be combined with the apparatuses and devices provided by the embodiments, which are referred to each other and are not described again.
Those of ordinary skill in the art would appreciate that the elements and algorithm steps of the examples described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the technical solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other ways. For example, the above-described apparatus/device embodiments are merely illustrative, and for example, the division of the above-described modules or units is only one logical functional division, and the actual implementation may be implemented by another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. Neutral point integrated equipment with portable isolator, its characterized in that includes:
the upper end of the steel bracket is provided with a beam, and the beam is provided with a plurality of connecting holes for mounting the isolating switch;
the telescopic rod is arranged on the steel support and connected with the isolating switch, and the isolating switch is driven to move along the length direction of the cross beam and corresponds to the connecting hole.
2. The neutral point kit with a movable disconnector according to claim 1, wherein the cross member comprises two support rods arranged in parallel, and a plurality of connection holes are provided in both of the support rods.
3. The neutral point kit with moving disconnector according to claim 2, characterized in that the support bar is provided with guide rails along its length.
4. The neutral point kit with moving disconnector of claim 3, wherein the length of the guide rail is less than half the length of the strut.
5. The neutral point kit with a traveling disconnector of claim 3, wherein the guide rail has a rectangular cross section.
6. The neutral point kit with a traveling type disconnector according to claim 5, wherein the open end of the guide rail is directed upward, and the connection hole is longitudinally penetrated through the guide rail.
7. The neutral point plant with a movable isolating switch as claimed in claim 1, wherein the end of the telescopic rod is provided with a mechanism hoop, and the mechanism hoop is connected to the steel bracket.
8. The neutral point plant with a movable isolating switch as claimed in claim 1, wherein an operating mechanism is provided under the beam, one end of the operating mechanism is connected to the end of the telescopic rod, and a longitudinal connecting rod for connecting the isolating switch is provided at the upper end of the operating mechanism, and the longitudinal connecting rod has a degree of freedom along the length direction thereof.
9. The neutral point kit with the moving type disconnecting switch according to claim 1, wherein an upper mounting seat is provided at an upper end of the steel bracket, and the upper mounting seat is connected with the cross beam.
10. The neutral point kit with the moving type disconnection switch according to claim 9, wherein the lower end of the steel bracket is provided with a lower mounting seat, and the lower mounting seat is connected to the ground by means of an anchor bolt.
CN202220505138.7U 2022-03-08 2022-03-08 Neutral point complete device with movable isolating switch Active CN218102568U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220505138.7U CN218102568U (en) 2022-03-08 2022-03-08 Neutral point complete device with movable isolating switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220505138.7U CN218102568U (en) 2022-03-08 2022-03-08 Neutral point complete device with movable isolating switch

Publications (1)

Publication Number Publication Date
CN218102568U true CN218102568U (en) 2022-12-20

Family

ID=84442882

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220505138.7U Active CN218102568U (en) 2022-03-08 2022-03-08 Neutral point complete device with movable isolating switch

Country Status (1)

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CN (1) CN218102568U (en)

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