Fixing device

Abstract

The utility model relates to a fixing device which is used for fixing a reactor body contained in an oil tank, the fixing device comprises a positioning piece, the positioning piece comprises a first end part and a second end part which are oppositely arranged in the axial direction of the positioning piece, and the first end part is fixedly connected to the reactor body; the first fixing assembly is used for limiting the radial movement of the positioning piece, the first fixing assembly is arranged between the positioning piece and the oil tank, and the first fixing assembly is connected to the second end part in the circumferential direction of the positioning piece; and the second fixing assembly is used for limiting the axial movement of the positioning piece, and the second fixing assembly is connected to the second end part and the first fixing assembly in the axial direction of the positioning piece. The radial movement of the second end part of the positioning piece is limited through the first fixing assembly, the axial movement of the second end part of the positioning piece is limited through the second fixing assembly, and the first end part of the positioning piece is fixedly connected to the reactor body, so that the reactor body is kept in a stable state in an oil tank during transportation; and the safety and the reliability of the reactor are improved.

Description

Technical Field

[0001] The present application relates to the technical field of reactors, and in particular to a fixing device. Background Art

[0002] With the advancement of wind power technology, offshore wind power technology has emerged. Offshore wind power technology has the advantages of not occupying land resources, being close to the power load, high power generation utilization, stable wind resources, and high power generation. However, due to the constraints of special geographical environmental factors, offshore wind power stations have strict requirements on the quality and volume of power equipment. The offshore wind power three-phase integrated shunt reactor has the characteristics of small weight and small volume, and can be applied to offshore wind power stations.

[0003] When transporting offshore wind power three-phase integrated shunt reactors, the reactors are often placed in oil tanks to protect the reactors. Usually, it is necessary to limit the position of the reactor body in the oil tank to avoid large shaking of the reactor body, causing damage to the reactor body and affecting the normal use of the reactor.

[0004] In the related art, the reactor is fixed by installing bolts on the reactor body that are tightened against the inner wall of the oil tank. However, when subjected to a large impact force, the bolts will shift, causing the reactor body with a relatively large mass to still undergo a large displacement, affecting the transportation safety of the reactor. Utility Model Content

[0005] Based on this, it is necessary to provide a fixing device to address the above technical problems, so as to improve the fixing stability of the reactor body in the oil tank and reduce the possibility of large displacement of the reactor body.

[0006] The present application provides a fixing device for fixing the body of an inductor, wherein the body of the inductor is accommodated in an oil tank, and the fixing device comprises: a positioning member, wherein the positioning member comprises a first end and a second end which are arranged opposite to each other along its axial direction, and the first end is fixedly connected to the body of the inductor; a first fixing component for limiting the radial movement of the positioning member, wherein the first fixing component is arranged between the positioning member and the oil tank, and the first fixing component is connected to the second end along the circumferential direction of the positioning member; and a second fixing component for limiting the axial movement of the positioning member, and the second fixing component is connected to the second end and the first fixing component along the axial direction of the positioning member.

[0007] The above-mentioned fixing device limits the radial movement of the second end of the positioning member through the first fixing component, and limits the axial movement of the second end of the positioning member through the second fixing component, so that the positioning member is fixed in both radial and axial directions during transportation, which helps to ensure that the positioning member can remain stable in the oil tank under a large impact force. The first end of the positioning member is fixedly connected to the body of the reactor, so that the body of the reactor can also remain stable in the oil tank during transportation, thereby improving the fixing stability of the reactor body in the oil tank, reducing the possibility of large displacement of the reactor body, and improving the safety and reliability of the reactor during transportation and installation.

[0008] In one embodiment, the first fixing assembly includes a first fixing member, an outer peripheral surface of the first fixing member is connected to the oil tank, an inner peripheral surface of the first fixing member is connected to the second end, and the second fixing assembly is connected to the first fixing member.

[0009] In one embodiment, the first fixing assembly further includes a sealing unit, and the sealing unit is disposed between the outer circumference of the second end portion and the inner circumference of the first fixing member.

[0010] In one embodiment, the sealing unit includes a first seal and a second seal abutting each other, the first seal is arranged on the outer periphery of the second seal, the outer peripheral surface of the first seal is attached to the inner peripheral surface of the first fixing member, and the inner peripheral surface of the second seal is attached to the outer peripheral surface of the second end.

[0011] In one embodiment, at least one of the first seal and the second seal is eccentrically disposed.

[0012] In one embodiment, the inner circumference of the first sealing member is shape-matched and connected to the outer circumference of the second sealing member.

[0013] In one embodiment, the second fixing assembly includes a second fixing member and a limiting member, the second fixing member is connected to the second end along the axial direction of the positioning member, the limiting member is connected to the first fixing member along the axial direction of the positioning member, and the limiting member is used to limit the axial movement of the second fixing member and the positioning member.

[0014] In one embodiment, the second fixing component further includes a filling member, and the filling member is disposed between the second fixing member and the limiting member.

[0015] In one embodiment, a threaded portion is formed on the second fixing member, a threaded hole is formed on the second end portion, and the threaded portion is threadedly connected to the threaded hole.

[0016] In one embodiment, the reactor is a three-phase reactor, and the body of each phase reactor is fixed in the oil tank by a plurality of fixing devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] FIG. 1 is a schematic diagram of a fixing device in an embodiment of the present application.

[0018] FIG. 2 is a schematic diagram of a first sealing member in an embodiment of the present application.

[0019] FIG. 3 is a schematic diagram of the first sealing member in FIG. 2 along the AA section.

[0020] FIG. 4 is a schematic diagram of a second sealing member in an embodiment of the present application.

[0021] FIG. 5 is a schematic diagram of the second sealing member along the BB section in FIG. 4 .

[0022] Description of reference numerals:

[0023] 100, fixing device; 10, positioning member; 11, first end; 12, second end; 20, first fixing assembly; 21, first fixing member; 22, sealing unit; 221, first sealing member; 222, second sealing member; 30, second fixing assembly; 31, second fixing member; 32, limiting member; 33, filling member; 200, body; 300, oil tank. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0025] In the description of the present application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0026] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0027] In this application, unless otherwise clearly specified and limited, if the terms "installed", "connected", "connected", "fixed" and the like appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0028] In the present application, unless otherwise clearly specified and limited, if there is a description that a first feature is "above" or "below" a second feature, etc., or similar descriptions appear, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0029] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only implementation method.

[0030] Referring to Fig. 1, Fig. 1 shows a schematic diagram of a fixing device 100 in an embodiment of the present application. In some embodiments, the fixing device 100 is used to fix the body 200 of the reactor, and the body 200 of the reactor is contained in the oil tank 300, so that the body 200 of the reactor remains stable in the oil tank 300, thereby meeting the requirements of transportation, movement, installation, etc. of the reactor.

[0031] The fixing device 100 comprises a positioning member 10, a first fixing assembly 20 and a second fixing assembly 30. The positioning member 10 is a core component of the fixing device 100, and the positioning member 10 is used to position and connect the reactor body 200, and then the reactor body 200 and the oil tank 300 are positioned and connected.

[0032] The positioning member 10 includes a first end 11 and a second end 12 which are arranged opposite to each other along the axial direction thereof, and the first end 11 is fixedly connected to the body 200 of the reactor, thereby ensuring the fixed position of the reactor. It is feasible that the body 200 of the reactor includes a body body and a reinforcement body, and the first end 11 is welded to the reinforcement body, which helps to ensure the cleanliness of the body body so that the reactor can meet the relevant use standards. It should be noted that the specific position of the positioning member 10 is not limited, and the positioning member 10 can be set at the position where the reactor body 200 needs to be fixed, and the positioning member 10 is used to realize the fixed positioning of the reactor body 200 and the oil tank 300, thereby completing the installation of the first fixing assembly 20 and the second fixing assembly 30.

[0033] The first fixing assembly 20 is used to limit the radial movement of the positioning member 10. The first fixing assembly 20 is disposed between the positioning member 10 and the oil tank 300. The first fixing assembly 20 is connected to the second end portion 12 along the circumference of the positioning member 10. When the second end portion 12 shakes, the displacement of the second end portion 12 will be limited by the first fixing assembly 20 due to the presence of the first fixing assembly 20 in the circumference, making it difficult for the second end portion 12 to have a large displacement in the radial direction.

[0034] The second fixing assembly 30 is used to limit the axial movement of the positioning member 10, and the second fixing assembly 30 is connected to the second end portion 12 and the first fixing assembly 20 along the axial direction of the positioning member 10. When the second end portion 12 shakes, the displacement of the second end portion 12 will be limited by the second fixing assembly 30 due to the presence of the second fixing assembly 30 in the axial direction, making it difficult for the second end portion 12 to undergo a large displacement in the axial direction.

[0035] The radial movement of the second end 12 of the positioning member 10 is limited by the first fixing component 20, and the axial movement of the second end 12 of the positioning member 10 is limited by the second fixing component 30, so that the positioning member 10 is fixed in both radial and axial directions during transportation, which helps to ensure that the positioning member 10 can remain stable in the oil tank 300 under a large impact force. The first end 11 of the positioning member 10 is fixedly connected to the body 200 of the reactor, so that the body 200 of the reactor can also remain stable in the oil tank 300 during transportation, thereby improving the fixing stability of the reactor body 200 in the oil tank 300, reducing the possibility of large displacement of the reactor body 200, and improving the safety and reliability of the reactor during transportation and installation.

[0036] In some embodiments, the first fixing assembly 20 includes a first fixing member 21, the outer circumference of the first fixing member 21 is connected to the oil tank 300, the inner circumference of the first fixing member 21 is connected to the second end 12, and the second fixing assembly 30 is connected to the first fixing member 21. The second end 12 is fixed in the circumferential direction by the first fixing member 21, reducing the possibility of displacement of the second end 12 in the radial direction.

[0037] Specifically in this embodiment, the first fixing member 21 is connected to the oil tank cover of the oil tank 300. A mounting opening is provided on the oil tank cover, and the outer peripheral surface of the first fixing member 21 is fitted to the outer peripheral surface of the mounting opening, so that the oil tank 300 remains sealed and the lubricating medium in the oil tank 300 is prevented from leaking out. It is feasible that a sealing element (not shown) is arranged between the first fixing member 21 and the mounting opening to improve the sealing performance, and the sealing element can play a buffering role to prevent the first fixing member 21 from hitting the oil tank cover, thereby improving the reliability of the oil tank cover and the first fixing member 21. It is feasible that the first fixing member 21 can be set as an elastic element, so that the second end 12 is squeezed by the elastic deformation of the first fixing member 21 to achieve radial fixation of the second end 12.

[0038] Furthermore, the first fixing assembly 20 further includes a sealing unit 22, which is disposed between the outer circumference of the second end portion 12 and the inner circumference of the first fixing member 21. The sealing unit 22 can further limit the displacement of the second end portion 12.

[0039] It is feasible that the sealing unit 22 is elastic, and the gap between the second end 12 and the first fixing member 21 can be further reduced through compression deformation of the elastic sealing unit 22, thereby further fixing the second end 12. In the present application, the first fixing member 21 is a rigid structure, and the sealing unit 22 can play a buffering role, avoiding collision between the first fixing member 21 and the second end 12, thereby improving the fixing effect and service life of the fixing device 100.

[0040] In a feasible embodiment, referring to FIG. 1 , the sealing unit 22 includes a first seal 221 and a second seal 222 abutting against each other, the first seal 221 is arranged on the outer periphery of the second seal 222, the outer peripheral surface of the first seal 221 is attached to the inner peripheral surface of the first fixing member 21, and the inner peripheral surface of the second seal 222 is attached to the outer peripheral surface of the second end 12. The abutment between the first seal 221 and the second seal 222 can further reduce the possibility of radial movement of the second end 12. In the horizontal direction, the second end 12 is compressed and fixed in the radial direction by the first fixing member 21, the first seal 221 and the second seal 222, thereby fixing the reactor body 200 in the horizontal direction.

[0041] Preferably, in combination with Figures 2 and 4, at least one of the first seal 221 and the second seal 222 is eccentrically arranged, that is, the first seal 221 is eccentrically arranged, or the second seal 222 is eccentrically arranged, or the first seal 221 and the second seal 222 are both eccentrically arranged, so that the sealing unit 22 can be suitable for the situation where there is an assembly deviation between the fixed position of the oil tank 300 and the fixed position of the body 200 of the reactor, thereby improving the applicability of the fixing device 100.

[0042] Further, the inner circumference of the first seal 221 is matched with the outer circumference of the second seal 222. Referring to FIG. 3 and FIG. 5, the inner circumference of the first seal 221 in the present application is set to a step shape, and the outer circumference of the second seal 222 is set to a step shape that matches the step of the first seal 221, so that the inner circumference of the first seal 221 can be pressed on the outer circumference of the second seal 222. The step-shaped setting also helps to avoid the relative movement of the first seal 221 and the second seal 222 in the axial direction, and improves the assembly stability and reliability of the first seal 221 and the second seal 222.

[0043] In other embodiments, the inner circumference of the first seal 221 may be provided with a square protrusion, and the outer circumference of the second seal 222 may be provided with a square groove matching the square groove, so as to achieve the limited connection between the first seal 221 and the second seal 222. It should be noted that as long as the alignment connection between the first seal 221 and the second seal 222 can be achieved, the specific shapes of the first seal 221 and the second seal 222 are not limited in this application.

[0044] Specifically in this embodiment, the first fixing member 21 forms a limiting edge at the bottom, and the limiting edge makes the inner circumferential surface of the first fixing member 21 form a step shape, so that the installation position of the first sealing member 221 can be limited by the limiting edge, so as to facilitate the positioning and installation of the first sealing member 221 and limit the movement of the first sealing member 221 relative to the first fixing member 21, thereby facilitating the assembly of the fixing device 100 and improving the accuracy and stability of the installation of the fixing device 100.

[0045] In some embodiments, referring to FIG. 1 , the second fixing assembly 30 includes a second fixing member 31 and a stopper 32, wherein the second fixing member 31 is connected to the second end portion 12 along the axial direction of the positioning member 10, and the stopper 32 is connected to the first fixing member 21 along the axial direction of the positioning member 10, and the stopper 32 is used to limit the axial movement of the second fixing member 31 and the positioning member 10. In the vertical direction, the stopper 32 can limit the axial displacement of the second end portion 12, thereby reducing the possibility of a large axial displacement of the second end portion 12.

[0046] Specifically, a threaded portion is formed on the second fixing member 31, and a threaded hole is formed on the second end portion 12. The threaded portion is threadedly connected to the threaded hole, so that a rigid connection can be formed between the second fixing member 31 and the positioning member 10, thereby improving the connection stability between the second fixing member 31 and the positioning member 10. In other embodiments, the second fixing member 31 and the positioning member 10 can also be connected by plugging, riveting, etc.

[0047] Optionally, the second fixing member 31 is a T-shaped bolt, which can realize a threaded connection with the second end portion 12 on the one hand, and increase the contact area between the second fixing member 31 and the limiting member 32 on the other hand, thereby facilitating the limiting of the second fixing member 31, thereby improving the limiting reliability of the positioning member 10. Furthermore, the second fixing member 31 in the present application can also abut against the upper end surface of the second sealing member 222, so that the T-shaped second fixing member 31 can axially limit the second sealing member 222, thereby improving the installation stability of the second sealing member 222.

[0048] Preferably, the limit member 32 is in the shape of a plate, and both ends of the plate-shaped limit member 32 are fixedly connected to the first fixing member 21 by bolts, thereby forming a closed oil tank 300 space to avoid leakage of the lubricating medium, and the plate-shaped limit member 32 can block the displacement of the second fixing member 31 and the positioning member 10 in the axial direction, thereby avoiding a large displacement of the reactor body 200 in the vertical direction.

[0049] Furthermore, the second fixing assembly 30 further includes a filling member 33, and the filling member 33 is disposed between the second fixing member 31 and the limiting member 32. The filling member 33 is filled in the gap between the second fixing member 31 and the limiting member 32, so that the second fixing member 31 is restricted by the filling member 33 when moving axially, so as to further restrict the displacement of the second fixing member 31 in the axial direction, and further restrict the displacement of the positioning member 10 in the axial direction, so that the reactor body 200 remains stable in the vertical direction.

[0050] Optionally, there are multiple filling members 33, and the multiple filling members 33 are pressed on the second fixing member 31 through the limiting member 32, so that the second fixing member 31 and the positioning member 10 remain stable in the axial direction. It should be noted that the number of filling members 33 can be set according to actual needs, and this application does not limit it.

[0051] In the vertical direction, the positioning member 10 is axially fixed by the limit member 32, the filling member 33 and the second fixing member 31, thereby fixing the reactor body 200 in the vertical direction, thereby reliably connecting the reactor body 200 and the oil tank 300 in the vertical direction.

[0052] Optionally, the filler 33 is a glass fiber polyester board. The glass fiber polyester board has high strength and rigidity, as well as good corrosion resistance and high temperature resistance, and is suitable as the filler 33. By configuring the glass fiber polyester board between the second fixing member 31 and the limiter 33, the bearing capacity and stability of the entire fixing device 100 can be increased, while reducing the deflection and deformation of the material, thereby ensuring the stability of the fixing device 100 when fixing the reactor body 200. In addition, the glass fiber polyester board also has good insulation performance, is not easy to conduct electricity, is not easy to be affected by moisture and deformation, and can effectively protect the fixing device 100 and the reactor body 200 from the influence of the external environment, thereby improving the reliability and safety of the entire fixing device 100.

[0053] In a specific embodiment, the first end 11 of the positioning member 10 is welded to the body of the reactor, the first sealing member 221 and the second sealing member 222 are placed between the first fixing member 21 and the second end 12, and then the first fixing member 21 and the oil tank 300 are connected, and then the second fixing member 31 is threadedly connected to the second end 12 of the positioning member 10, and a plurality of filling members 33 are placed between the second fixing member 31 and the limiting member 32, and finally the limiting member 32 is threadedly connected to the first fixing member 21 to complete the installation of the fixing device 100.

[0054] The installation process is simple and convenient. When the first seal 221 and the second seal 222 are installed, the second end 12 of the positioning member 10 will be radially limited. When the limiting member 32 is connected to the first fixing member 21, the limiting member 32 will apply pressure to the multiple filling members 33 and the second fixing member 31 to axially limit the second end 12 of the positioning member 10, thereby ensuring the radial and axial stability of the positioning member 10, and further ensuring the stability of the reactor body 200 in the horizontal and vertical directions. During transportation, damage or malfunction of the reactor or the oil tank 300 due to a large displacement of the reactor body 200 is avoided.

[0055] Furthermore, the reactor is a three-phase reactor, and is equipped with multiple fixing devices 100. The body 200 of each phase reactor is fixed in the oil tank 300 by multiple fixing devices 100. Through the coordinated action of multiple fixing devices 100, multiple positions of the reactor body 200 are fixed by the fixing devices 100, and the reactor body 200 is further fixed in the horizontal and vertical directions, thereby reducing the possibility of displacement of the reactor body 200, ensuring the stability of the reactor body 200, and improving the safety and reliability of the reactor during transportation and installation.

[0056] It should be noted that the number and installation position of the fixing device 100 can be set according to actual needs, and the present application does not limit it. For example, each phase reactor is fixed by four fixing devices 100, twelve installation ports are set on the cover of the oil tank 300, and the fixing device 100 is installed between the oil tank cover and the reactor body 200.

[0057] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0058] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A fixing device for fixing a body of a reactor, wherein the body of the reactor is contained in an oil tank, characterized in that: The fixing device comprises: A positioning member, the positioning member comprising a first end portion and a second end portion which are arranged opposite to each other along the axial direction thereof, wherein the first end portion is fixedly connected to the body of the reactor; a first fixing assembly, used for limiting radial movement of the positioning member, the first fixing assembly being disposed between the positioning member and the oil tank, and the first fixing assembly being connected to the second end portion along the circumference of the positioning member; and The second fixing component is used to limit the axial movement of the positioning member, and the second fixing component is connected to the second end portion and the first fixing component along the axial direction of the positioning member.

2. The fixing device according to claim 1, characterized in that: The first fixing assembly includes a first fixing member, an outer peripheral surface of the first fixing member is connected to the oil tank, an inner peripheral surface of the first fixing member is connected to the second end, and the second fixing assembly is connected to the first fixing member.

3. The fixing device according to claim 2, characterized in that: The first fixing assembly further includes a sealing unit, and the sealing unit is arranged between the outer circumferential surface of the second end portion and the inner circumferential surface of the first fixing member.

4. The fixing device according to claim 3, characterized in that: The sealing unit includes a first seal and a second seal abutting against each other. The first seal is arranged on the outer periphery of the second seal. The outer peripheral surface of the first seal is attached to the inner peripheral surface of the first fixing member. The inner peripheral surface of the second seal is attached to the outer peripheral surface of the second end.

5. The fixing device according to claim 4, characterized in that: At least one of the first seal and the second seal is eccentrically arranged.

6. The fixing device according to claim 4, characterized in that: The inner circumferential surface of the first sealing member is matched in shape and connected to the outer circumferential surface of the second sealing member.

7. The fixing device according to claim 2, characterized in that: The second fixing assembly includes a second fixing member and a limiting member, the second fixing member is connected to the second end portion along the axial direction of the positioning member, the limiting member is connected to the first fixing member along the axial direction of the positioning member, and the limiting member is used to limit the axial movement of the second fixing member and the positioning member.

8. The fixing device according to claim 7, characterized in that: The second fixing assembly further includes a filling member, and the filling member is arranged between the second fixing member and the limiting member.

9. The fixing device according to claim 7, characterized in that: A threaded portion is formed on the second fixing member, a threaded hole is formed on the second end portion, and the threaded portion is threadedly connected to the threaded hole.

10. The fixing device according to claim 1, characterized in that: The reactor is a three-phase reactor, and the body of each phase of the reactor is fixed in the oil tank by a plurality of the fixing devices.

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