Lightning arrester mounting bracket and box-type transformer
By designing a detachable surge arrester mounting bracket, the problem of difficult replacement and maintenance caused by welding of surge arrester brackets in the existing technology is solved, realizing convenient installation and maintenance of surge arresters, facilitating replacement, and providing comprehensive lightning protection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO AUX HIGH TECH
- Filing Date
- 2025-08-21
- Publication Date
- 2026-07-21
AI Technical Summary
The existing surge arrester brackets for transformer substations are welded to the transformer oil tank, making replacement and maintenance difficult and failing to meet the needs for convenient installation and regular maintenance.
A surge arrester mounting bracket was designed, including a first bracket and a second bracket. The first bracket is detachably connected, and the second bracket is fixed on the base of the box-type transformer. The bracket has an installation ramp and is connected by bolts. The bracket has a compact structure and is convenient for installation, disassembly and maintenance.
It enables convenient installation and maintenance of surge arresters, facilitates replacement, prevents interference between parts, provides comprehensive lightning protection, and reduces damage from lightning strikes.
Smart Images

Figure CN224536855U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of transformer technology, and in particular to a surge arrester mounting bracket and a box-type transformer. Background Technology
[0002] The installation of surge arresters in transformer substations must meet relevant installation requirements. For example, surge arresters should be installed correctly in accordance with national standards, industry standards and product manuals; surge arresters should be fixed from top to bottom on suitable brackets and mounting holes to prevent the surge arresters from being vibrated and to facilitate regular maintenance; and the grounding wire of the surge arrester should be fixed on the surge arrester bracket.
[0003] Existing surge arresters for prefabricated transformers should be installed on both the input and output sides of the transformer to achieve comprehensive lightning protection and reduce damage caused by lightning strikes. Currently, the internal support structure of American-style prefabricated transformers is usually welded to the transformer tank. This method of welding is time-consuming, and if the support structure is damaged, it cannot be replaced or repaired. Utility Model Content
[0004] The purpose of this utility model is to provide a surge arrester mounting bracket and a box-type transformer, which are easy to install and disassemble, and convenient for maintenance and replacement.
[0005] In a first aspect, this utility model provides a surge arrester mounting bracket, comprising:
[0006] A first bracket includes a first mounting plate, a second mounting plate, and a support plate; one end of the support plate is connected to the first mounting plate, and the other end is provided with a mounting ramp, which is connected to the second mounting plate; the second mounting plate is used to mount a surge arrester.
[0007] The second bracket is detachably connected to the first mounting plate; the second bracket is used to fix it to the base of the box-type transformer.
[0008] In an optional embodiment, a first fastener is also included; the first mounting plate is provided with a first mounting hole, the second bracket is provided with a second mounting hole corresponding to the first mounting hole, and the first fastener passes through the first mounting hole and the second mounting hole.
[0009] In an optional embodiment, a second fastener is further included; the second mounting plate is provided with a third mounting hole through which the second fastener passes, and the second fastener is used to connect the second mounting plate and the surge arrester.
[0010] In an optional embodiment, the support plate is welded to the first mounting plate and the second mounting plate, respectively.
[0011] In an optional embodiment, the first bracket includes two first mounting plates, two second mounting plates, two support plates, and a fixing rod; wherein:
[0012] A first mounting plate, a second mounting plate, and a support plate are connected as a whole and connected to one end of the fixing rod;
[0013] Another first mounting plate, another second mounting plate, and another support plate are connected as a whole and connected to the other end of the fixing rod.
[0014] In an optional embodiment, the end face of the fixing rod is connected to the second mounting plate, and the side of the fixing rod facing the first mounting plate is connected to the support plate.
[0015] In an optional embodiment, the second bracket includes a first segment and a second segment connected at an angle; the first segment and the second segment are respectively connected to the base; the first segment is detachably connected to the first mounting plate.
[0016] In an optional embodiment, the first segment and the second segment are respectively welded to the base.
[0017] In an optional embodiment, the second bracket is provided with a reinforcing rib on the side away from the first bracket.
[0018] Secondly, this utility model provides a box-type transformer, including a base and a surge arrester mounting bracket as described in any of the foregoing embodiments, wherein the surge arrester mounting bracket is connected to the base.
[0019] The surge arrester mounting bracket and box-type transformer provided in this embodiment of the utility model have the following advantages:
[0020] The surge arrester mounting bracket provided in this embodiment of the utility model has a first bracket for mounting the surge arrester and a second bracket fixed to the base of the box-type transformer. The first and second brackets are detachably connected. This configuration results in a compact structure, facilitating installation, disassembly, replacement, and maintenance. Furthermore, the first bracket includes a mounting ramp to accommodate the installation angle of the surge arrester, further enhancing the compact structure and preventing interference between components.
[0021] The box-type transformer provided in this embodiment includes the aforementioned surge arrester mounting bracket. It has a compact structure and is easy to assemble and disassemble. Furthermore, it facilitates repair and replacement after damage, providing comprehensive lightning protection and reducing damage caused by lightning strikes. Attached Figure Description
[0022] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0023] Figure 1 A schematic diagram of the structure of the surge arrester mounting bracket provided in this embodiment of the utility model, installed on a box-type transformer;
[0024] Figure 2 for Figure 1 A schematic diagram of the split structure;
[0025] Figure 3 A schematic diagram of the structure of the first bracket of the surge arrester mounting bracket provided in this embodiment of the utility model;
[0026] Figure 4 This is a schematic diagram of the structure of the surge arrester provided in an embodiment of the present utility model;
[0027] Figure 5 A schematic diagram of the connection between the second bracket and the base of the surge arrester mounting bracket provided in this embodiment of the utility model.
[0028] Icons: 100-Transformer; 200-Surge arrester; 210-Fourth mounting hole; 300-First bracket; 310-First mounting plate; 320-Second mounting plate; 330-Support plate; 340-Fixing rod; 311-First mounting hole; 321-Third mounting hole; 400-Second bracket; 410-First segment; 420-Second segment; 411-Second mounting hole; 430-Reinforcing rib; 500-Base; 510-First substrate; 520-Second substrate. Detailed Implementation
[0029] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0030] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.
[0031] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0032] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0033] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0034] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0035] The following detailed description, in conjunction with the accompanying drawings, outlines some embodiments of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.
[0036] This utility model provides a surge arrester mounting bracket, which is applied to a box-type transformer to install surge arresters on the box-type transformer, so as to achieve comprehensive lightning protection and reduce damage caused by lightning strikes.
[0037] Combination Figures 1 to 3 The surge arrester mounting bracket includes a first bracket 300 and a second bracket 400. The first bracket 300 includes a first mounting plate 310, a second mounting plate 320, and a support plate 330. One end of the support plate 330 is connected to the first mounting plate 310, and the other end has a mounting ramp that connects to the second mounting plate 320. The second mounting plate 320 is used to mount the surge arrester 200. The first mounting plate 310 is detachably connected to the second bracket 400; the second bracket 400 is used to fix itself to the base 500 of the box-type transformer. The first bracket 300 is used to mount the surge arrester 200, and the second bracket 400 is fixed to the base 500 of the box-type transformer. The first bracket 300 and the second bracket 400 are detachably connected. This configuration results in a compact structure, facilitating installation, disassembly, replacement, and maintenance. Furthermore, the mounting ramp in the first bracket 300 can accommodate the installation angle of the surge arrester 200, making the structure more compact and preventing interference between components.
[0038] The surge arrester mounting bracket also includes a first fastener (not shown); the first mounting plate 310 is provided with a first mounting hole 311, and the second bracket 400 is provided with a second mounting hole 411 corresponding to the first mounting hole 311. The first fastener passes through the first mounting hole 311 and the second mounting hole 411. The first fastener includes, but is not limited to, a bolt.
[0039] Combination Figure 4 Optionally, the surge arrester mounting bracket further includes a second fastener (not shown). The second mounting plate 320 has a third mounting hole 321 through which the second fastener passes, and the second fastener is used to connect the second mounting plate 320 and the surge arrester 200. In this embodiment, the surge arrester 200 has a fourth mounting hole 210 corresponding to the third mounting hole 321. The second fastener passes through the fourth mounting hole 210 and the third mounting hole 321 in sequence, achieving a fixed connection between the surge arrester 200 and the second mounting plate 320. The second fastener includes, but is not limited to, bolts.
[0040] It is easy to understand that the number of first mounting holes 311 and the number of second mounting holes 411 are equal, and the shape and size of the first mounting holes 311 and the shape and size of the second mounting holes 411 are compatible.
[0041] Of course, in some other embodiments, the first mounting plate 310 and the second mounting plate 320 may also be connected by other methods such as snap-fitting, riveting or bonding, and the second mounting plate 320 and the surge arrester 200 may also be connected by other methods such as snap-fitting, riveting or bonding, which are not specifically limited here.
[0042] It should be noted that the support plate 330 is provided with an installation ramp. The inclination angle of the installation ramp is designed according to the installation requirements of the surge arrester 200, so as to avoid other components on the transformer 100, prevent interference between the surge arrester 200 and other components, and reserve sufficient space for the installation of the surge arrester 200. At the same time, it also facilitates the connection of the grounding terminal of the surge arrester 200 and the transformer 100.
[0043] Optionally, the support plate 330 is welded to the first mounting plate 310 and the second mounting plate 320 respectively. In this embodiment, the first bracket 300 includes two first mounting plates 310, two second mounting plates 320, two support plates 330, and a fixing rod 340. Specifically: one first mounting plate 310, one second mounting plate 320, and one support plate 330 are connected as a whole and connected to one end of the fixing rod 340. Another first mounting plate 310, another second mounting plate 320, and another support plate 330 are connected as a whole and connected to the other end of the fixing rod 340.
[0044] Optionally, the end face of the fixing rod 340 is connected to the second mounting plate 320, and the side of the fixing rod 340 facing the first mounting plate 310 is connected to the support plate 330. Both ends of the fixing rod 340 are welded to the two support plates 330 respectively. Both ends of the fixing rod 340 are welded to the two second mounting plates 320 respectively. In this way, the first bracket 300 is connected as a whole.
[0045] Combination Figure 5 Optionally, the second bracket 400 includes a first segment 410 and a second segment 420 connected at an angle. The first segment 410 and the second segment 420 are respectively connected to the base 500 of the transformer 100; the first segment 410 is detachably connected to the first mounting plate 310.
[0046] In this embodiment, the first segment 410 and the second segment 420 are respectively welded to the base 500. Optionally, the base 500 includes a first substrate 510 and a second substrate 520 connected to the first substrate 510. The first substrate 510 and the second substrate 520 are perpendicular to each other. The first substrate 510 is used to mount the transformer 100. The second substrate 520 has a hollow structure with a roughly U-shaped cross-section. There are two second supports 400, which are respectively connected to the outer side of the junction between the first substrate 510 and the second substrate 520. The end face of the first segment 410 in the second support 400 is welded to the first substrate 510, and the two are welded using a planar weld. The second segment 420 and the first segment 410 are connected in an L-shape. The end of the second segment 420 away from the first segment 410 is welded to the outer side of the second substrate 520, and the two are welded using a planar weld.
[0047] To improve the structural strength of the second bracket 400 and ensure the stability of the surge arrester 200 installation structure, a reinforcing rib 430 is provided on the side of the second bracket 400 away from the first bracket 300.
[0048] Of course, the surge arrester mounting bracket provided in this embodiment can also be used in other fields as a mounting bracket for other components. It is easy to install and disassemble, and convenient for maintenance and replacement. No specific limitations are made here.
[0049] This utility model embodiment provides a box-type transformer, including a base 500 and a surge arrester mounting bracket as described in any of the foregoing embodiments, wherein the surge arrester mounting bracket is connected to the base 500. The installation method of this box-type transformer is roughly as follows:
[0050] The first bracket 300 is a whole formed by welding together a support plate 330, a first mounting plate 310, a second mounting plate 320, and a fixing rod 340. The second bracket 400 is a whole structure formed by integrally molding a first segment 410, a second segment 420, and a reinforcing rib 430, or by welding the three together. The second bracket 400 and the base 500 are welded together to form a combined unit.
[0051] The transformer 100 is fixed to the first base plate 510 using bolts or other means. The first bracket 300 is then fixed to the second bracket 400 using bolts, and the surge arrester 200 is fixed to the first bracket 300 using bolts. The surge arrester 200 is then electrically connected to ensure reliable grounding. This completes the installation of the surge arrester 200.
[0052] The surge arrester mounting bracket and box-type transformer provided in this embodiment of the utility model have the following beneficial effects, including:
[0053] The surge arrester mounting bracket provided in this embodiment of the utility model has a first bracket 300 for mounting the surge arrester 200, and a second bracket 400 fixed on the base 500 of the box-type transformer. The first bracket 300 and the second bracket 400 are detachably connected. This configuration results in a compact structure, facilitating installation, disassembly, replacement, and maintenance. Furthermore, the first bracket 300 has an installation ramp to accommodate the installation angle of the surge arrester 200, making the structure even more compact and preventing interference between components.
[0054] The box-type transformer provided in this embodiment includes the aforementioned surge arrester mounting bracket. It has a compact structure and is easy to assemble and disassemble. Furthermore, it facilitates repair and replacement after damage, providing comprehensive lightning protection and reducing damage caused by lightning strikes.
[0055] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Any modifications, equivalent substitutions, improvements, etc., should be included within the protection scope of this utility model.
Claims
1. A surge arrester mounting bracket, characterized in that, include: A first bracket (300) includes a first mounting plate (310), a second mounting plate (320), and a support plate (330); one end of the support plate (330) is connected to the first mounting plate (310), and the other end is provided with a mounting ramp, which is connected to the second mounting plate (320); the second mounting plate (320) is used to mount a surge arrester (200); The second bracket (400) is detachably connected to the first mounting plate (310); the second bracket (400) is used to fix it on the base (500) of the box-type transformer.
2. The surge arrester mounting bracket according to claim 1, characterized in that, It also includes a first fastener; the first mounting plate (310) is provided with a first mounting hole (311), and the second bracket (400) is provided with a second mounting hole (411) corresponding to the first mounting hole (311), and the first fastener passes through the first mounting hole (311) and the second mounting hole (411).
3. The surge arrester mounting bracket according to claim 1, characterized in that, It also includes a second fastener; the second mounting plate (320) is provided with a third mounting hole (321) through which the second fastener passes, and the second fastener is used to connect the second mounting plate (320) and the surge arrester (200).
4. The surge arrester mounting bracket according to claim 1, characterized in that, The support plate (330) is welded to the first mounting plate (310) and the second mounting plate (320) respectively.
5. The surge arrester mounting bracket according to claim 1, characterized in that, The first bracket (300) includes two first mounting plates (310), two second mounting plates (320), two support plates (330), and a fixing rod (340); wherein: A first mounting plate (310), a second mounting plate (320), and a support plate (330) are connected as a whole and connected to one end of the fixing rod (340); Another first mounting plate (310), another second mounting plate (320) and another support plate (330) are connected as a whole and connected to the other end of the fixing rod (340).
6. The surge arrester mounting bracket according to claim 5, characterized in that, The end face of the fixing rod (340) is connected to the second mounting plate (320), and the side of the fixing rod (340) facing the first mounting plate (310) is connected to the support plate (330).
7. The surge arrester mounting bracket according to claim 1, characterized in that, The second bracket (400) includes a first segment (410) and a second segment (420) connected at an angle; the first segment (410) and the second segment (420) are respectively connected to the base (500); the first segment (410) is detachably connected to the first mounting plate (310).
8. The surge arrester mounting bracket according to claim 7, characterized in that, The first segment (410) and the second segment (420) are respectively welded to the base (500).
9. The surge arrester mounting bracket according to any one of claims 1 to 8, characterized in that, The second support (400) has a reinforcing rib (430) on the side away from the first support (300).
10. A box-type transformer, characterized in that, It includes a base (500) and a surge arrester mounting bracket according to any one of claims 1 to 9, the surge arrester mounting bracket being connected to the base (500).