Heightening device for isolation transformer box

Abstract

The invention discloses an isolation transformer box heightening device, and belongs to the technical field of civil aviation airport equipment. The device comprises a heightening box main body and a box cover, a first annular plate is installed at the top of the heightening box body, a first frame protruding upwards is arranged on the outer side of the first annular plate, and a box cover groove is defined by the first annular plate and the first frame; the box cover is mounted in the box cover groove; the diameter of the box cover groove is the same as that of the box cover; a second annular plate is installed at the bottom of the heightening box body, an annular groove plate is installed at the bottom of the second annular plate, an annular positioning groove is formed in the annular groove plate, and the annular positioning groove is used for fixing after the edge of the top of the isolation transformer box is inserted into the annular positioning groove. The heightening device is easy and convenient to install, the heightening device is placed on an original isolation transformer box body, the sealing rubber ring and the bolt are installed, and then the original isolation transformer box can be heightened.

Description

Technical Field

[0001] The invention relates to the technical field of civil aviation airport equipment, and in particular to a device for increasing the height of an isolation transformer box. Background Art

[0002] Some airports have subsidence and need to raise the subsidence area. For the already installed isolation transformer boxes, reinstallation will incur high costs, so this situation needs to be dealt with effectively.

[0003] In the case of an overall increase in the height of the apron surface, the existing technology can only involve digging out the fixed isolation transformer box and then purchasing new equipment for installation and construction, which greatly increases the cost. Summary of the invention

[0004] The purpose of the present invention is to provide an efficient isolation transformer box height-increasing device, which can effectively reduce maintenance costs and construction periods.

[0005] In order to solve the above technical problems, the present invention provides an isolation transformer box heightening device, comprising a heightening box body and a box cover;

[0006] A first annular plate is installed on the top of the heightened box body, and a first frame protruding upward is arranged on the outer side of the first annular plate, and the first annular plate and the first frame are enclosed to form a box cover groove;

[0007] The box cover is installed in the box cover groove; the diameter of the box cover groove is the same as the diameter of the box cover;

[0008] A second annular plate is installed at the bottom of the heightened box body, an annular groove plate is installed at the bottom of the second annular plate, an annular positioning groove is opened on the annular groove plate, and the annular positioning groove is used for the top edge of the isolation transformer box to be inserted and fixed.

[0009] Preferably, a plurality of first screw holes are evenly arranged circumferentially on the first annular plate;

[0010] A plurality of box cover screw holes are arranged around the box cover;

[0011] The first bolt passes through the box cover screw hole and the first screw hole in sequence to fix the box cover in the box cover groove.

[0012] Preferably, the inner cavity side wall of the heightened box body is evenly provided with a plurality of positioning protrusions at a position close to the top, and the positioning protrusions are provided with positioning screw grooves;

[0013] The first bolt passes through the box cover screw hole and the first screw hole in sequence and then extends into the positioning screw groove.

[0014] Preferably, the number of the first screw hole, the box cover screw hole, the positioning screw groove and the first bolt are all six.

[0015] Preferably, a second frame extending downward is provided on the outer side of the second annular plate;

[0016] The second frame extends downward to exceed the lower edge of the annular groove plate.

[0017] Preferably, a plurality of second screw holes are evenly arranged circumferentially on the second annular plate;

[0018] The top of the isolation transformer box is provided with a box top screw hole;

[0019] After the second bolt passes through the second screw hole and the screw hole of the box cover in sequence, the heightening box body is fixed on the isolation transformer box.

[0020] Preferably, the number of the second screw holes, the box top screw holes and the second bolts are all six.

[0021] Preferably, a sealing rubber ring is provided between the box cover and the first annular plate.

[0022] Preferably, an annular sealing groove is formed on the upper surface of the first annular plate near the inner side, and the sealing rubber ring is installed in the annular sealing groove.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] The invention is easy to install, and the heightening device is placed on the original isolation transformer box body, and the sealing rubber ring and bolts are installed, so that the original isolation transformer box can be heightened. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The specific implementation modes of the present invention are further described in detail below with reference to the accompanying drawings.

[0026] Figure 1 It is a three-dimensional structural schematic diagram of an isolation transformer box heightening device of the present invention;

[0027] Figure 2 It is a schematic diagram of the internal structure of the isolation transformer box heightening device;

[0028] Figure 3 It is a structural schematic diagram of the bottom of the isolation transformer box heightening device;

[0029] Figure 4 It is a three-dimensional structural schematic diagram of the isolation transformer box heightening device installed on the original isolation transformer box;

[0030] Figure 5 It is a schematic diagram of the internal structure of the isolation transformer box heightening device installed on the original isolation transformer box.

[0031] In the figure:

[0032] 1-heightening box body; 2-box cover; 21-box cover screw hole; 3-first annular plate; 31-first frame; 32-first screw hole; 33-annular sealing groove; 4-box cover groove; 5-second annular plate; 51-annular groove plate; 52-annular positioning groove; 53-second frame; 54-second screw hole; 6-isolation transformer box; 7-second bolt; 8-first bolt; 9-positioning protrusion; 91-positioning screw groove; 10-sealing rubber ring. DETAILED DESCRIPTION

[0033] Many specific details are set forth in the following description to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art can make similar generalizations without violating the connotation of the present invention, so the present invention is not limited to the specific implementation disclosed below.

[0034] The terms used in one or more embodiments of this specification are only for the purpose of describing specific embodiments, and are not intended to limit one or more embodiments of this specification. The singular forms of "a", "said" and "the" used in one or more embodiments of this specification and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings. It should also be understood that the term "and / or" used in one or more embodiments of this specification refers to and includes any or all possible combinations of one or more associated listed items.

[0035] It should be understood that although the terms first, second, etc. may be used to describe various information in one or more embodiments of this specification, this information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of one or more embodiments of this specification, the first may also be referred to as the second, and similarly, the second may also be referred to as the first. Depending on the context, the word "if" as used herein may be interpreted as "at the time of" or "when" or "in response to determining".

[0036] The present invention is further described in detail below in conjunction with the accompanying drawings:

[0037] The present invention provides an isolation transformer box heightening device, comprising a heightening box body 1 and a box cover 2;

[0038] A first annular plate 3 is installed on the top of the heightened box body 1, and a first frame 31 protruding upward is arranged on the outer side of the first annular plate 3. The first annular plate 3 and the first frame 31 are enclosed to form a box cover groove 4;

[0039] The box cover 2 is installed in the box cover groove 4; the diameter of the box cover groove 4 is the same as the diameter of the box cover 2;

[0040] A second annular plate 5 is installed at the bottom of the heightened box body 1, and an annular groove plate 51 is installed at the bottom of the second annular plate 5. The annular groove plate 51 is provided with an annular positioning groove 52, and the annular positioning groove 52 is used for the top edge of the isolation transformer box 6 to be inserted and fixed.

[0041] Preferably, a plurality of first screw holes 32 are evenly arranged circumferentially on the first annular plate 3;

[0042] The box cover 2 is provided with a plurality of box cover screw holes 21 around it;

[0043] The first bolt 8 passes through the box cover screw hole 21 and the first screw hole 32 in sequence to fix the box cover 2 in the box cover groove 4.

[0044] Preferably, the inner cavity side wall of the heightened box body 1 is evenly provided with a plurality of positioning protrusions 9 at a position close to the top, and the positioning protrusions 9 are provided with positioning screw grooves 91;

[0045] The first bolt 8 passes through the box cover screw hole 21 and the first screw hole 32 in sequence and then extends into the positioning screw groove 91 .

[0046] Preferably, the number of the first screw hole 32 , the box cover screw hole 21 , the positioning screw groove 91 and the first bolt 8 are all six.

[0047] Preferably, a second frame 53 extending downward is provided on the outer side of the second annular plate 5;

[0048] The second frame 53 extends downward to exceed the lower edge of the annular groove plate 51 .

[0049] Preferably, a plurality of second screw holes 54 are evenly arranged circumferentially on the second annular plate 5;

[0050] The top of the isolation transformer box 6 is provided with a box top screw hole 61;

[0051] After the second bolt 7 passes through the second screw hole 54 and the box top screw hole 61 in sequence, the heightened box body 1 is fixed on the isolation transformer box 6 .

[0052] Preferably, the number of the second screw holes 54 , the box top screw holes 61 and the second bolts 7 are all six.

[0053] Preferably, a sealing rubber ring 10 is provided between the box cover 2 and the first annular plate 3 .

[0054] Preferably, an annular sealing groove 33 is formed on the upper surface of the first annular plate 3 near the inner side, and the sealing rubber ring 10 is installed in the annular sealing groove 33 .

[0055] In order to better illustrate the technical effect of the present invention, the present invention provides the following specific embodiments to illustrate the above technical process:

[0056] Embodiment 1: An isolation transformer box heightening device, installed on the isolation transformer box 6, such as Figure 1 As shown, it includes a heightened box body 1 and a box cover 2; the heightened box body 1 is designed according to the isolation transformer box size required by the Civil Aviation Administration, and its height can be selected according to actual conditions to adapt to various height conditions. The heightened box body 1 is welded as a whole to ensure that the sealing and pressure bearing capacity are consistent with the original isolation transformer box 6.

[0057] like Figure 2 As shown, a first annular plate 3 is installed on the top of the heightened box body 1, and a second annular plate 5 is installed on the bottom;

[0058] The first annular plate 3 is provided with an upwardly protruding first frame 31 on the outside, and the first annular plate 3 and the first frame 31 are enclosed to form a box cover groove 4. The first annular plate 3 is evenly provided with a plurality of first screw holes 32 in the circumferential direction. The box cover groove 4 is used to place the box cover 2, and the box cover 2 is provided with a plurality of box cover screw holes 21 around it; the first bolt 8 passes through the box cover screw hole 21 and the first screw hole 32 in sequence and then extends into the positioning screw groove 91, thereby fixing the box cover 2 in the box cover groove 4. In addition, the first annular plate 3 is provided with an annular sealing groove 33 at a position near the inner side of the upper surface, and the sealing rubber ring 10 is installed in the annular sealing groove 33, and the sealing rubber ring 10 can ensure the sealing between the first annular plate 3 and the first annular plate 3.

[0059] like Figure 3 As shown, an annular groove plate 51 is installed at the bottom of the second annular plate 5, and an annular positioning groove 52 is opened on the annular groove plate 51. A plurality of second screw holes 54 are evenly arranged on the circumference of the second annular plate 5. The annular positioning groove 52 is inserted into the top edge of the original isolation transformer box 6 for fixing. At the same time, the second bolt 7 passes through the second screw hole 54 and the box top screw hole 61 of the isolation transformer box 6 in sequence, and the heightened box body 1 is fixed to the isolation transformer box 6, as shown in FIG. Figure 4 , Figure 5 A second frame 53 extending downward is arranged on the outer side of the second annular plate 5, and the second frame 53 extends downward to exceed the lower edge of the annular groove plate 51, ensuring that the connection between the annular groove plate 51 and the isolation transformer box 6 can be covered to prevent water seepage.

[0060] The isolation transformer box heightening device of the present invention can reduce maintenance costs and work cycles, avoid destroying and reorganizing the existing situation, reduce construction risks, and is easy to install. The heightening device is placed on the original isolation transformer box body, and the sealing rubber ring and bolts are installed to increase the original isolation transformer box.

[0061] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. An isolation transformer box heightening device, characterized in that: It comprises a heightened box body (1) and a box cover (2); A first annular plate (3) is installed on the top of the heightened box body (1), a first frame (31) protruding upward is arranged on the outer side of the first annular plate (3), and the first annular plate (3) and the first frame (31) are combined to form a box cover groove (4); The box cover (2) is installed in the box cover groove (4); the diameter of the box cover groove (4) is the same as the diameter of the box cover (2); A second annular plate (5) is installed at the bottom of the heightened box body (1), an annular groove plate (51) is installed at the bottom of the second annular plate (5), an annular positioning groove (52) is provided on the annular groove plate (51), and the annular positioning groove (52) is used for inserting the top edge of the isolation transformer box (6) for fixing.

2. The isolation transformer box height increasing device according to claim 1, characterized in that: A plurality of first screw holes (32) are evenly arranged circumferentially on the first annular plate (3); The box cover (2) is provided with a plurality of box cover screw holes (21) around its periphery; The first bolt (8) passes through the box cover screw hole (21) and the first screw hole (32) in sequence to fix the box cover (2) in the box cover groove (4).

3. The isolation transformer box height increasing device according to claim 2 is characterized in that: A plurality of positioning protrusions (9) are evenly arranged on the inner cavity side wall of the height-enhancing box body (1) near the top in the circumferential direction, and a positioning screw groove (91) is arranged in the positioning protrusion (9); The first bolt (8) passes through the box cover screw hole (21) and the first screw hole (32) in sequence and then extends into the positioning screw groove (91).

4. The isolation transformer box height increasing device according to claim 3 is characterized in that: The number of the first screw hole (32), the box cover screw hole (21), the positioning screw groove (91) and the first bolt (8) are all six.

5. The isolation transformer box height increasing device according to claim 1, characterized in that: A second frame (53) extending downward is arranged on the outer side of the second annular plate (5); The second frame (53) extends downward to exceed the lower edge of the annular groove plate (51).

6. The isolation transformer box height-increasing device according to claim 5, characterized in that: A plurality of second screw holes (54) are evenly arranged circumferentially on the second annular plate (5); The top of the isolation transformer box (6) is provided with a box top screw hole (61); After the second bolt (7) passes through the second screw hole (54) and the box top screw hole (61) in sequence, the heightened box body (1) is fixed on the isolation transformer box (6).

7. The isolation transformer box height-increasing device according to claim 6, characterized in that: The number of the second screw hole (54), the box top screw hole (61) and the second bolt (7) are all six.

8. The isolation transformer box height increasing device according to claim 1, characterized in that: A sealing rubber ring (10) is provided between the box cover (2) and the first annular plate (3).

9. The isolation transformer box height increasing device according to claim 8, characterized in that: The first annular plate (3) is provided with an annular sealing groove (33) at a position close to the inner side of the upper surface, and the sealing rubber ring (10) is installed in the annular sealing groove (33).

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