Double-side sealed sealing element protection device

Abstract

The utility model relates to the technical field of oil-immersed transformers, in particular to a double-side sealed sealing element protection device which comprises an extrusion assembly, a separation ring, a bolt connected to the top of the separation ring, a sealing gasket connected with the surface of the bolt, a pressing plate arranged above the sealing gasket and an extrusion block arranged above the pressing plate. The external expansion plate is arranged between the sealing gasket and the pressing plate; the top cover is arranged in the external expansion plate; when the extrusion blocks move downwards, the pressing plates are extruded, the top cover and the external expansion plate are kept on the same horizontal plane, all the extrusion blocks are prevented from being detached through the multiple sections of the pressing plates, normal work of equipment is guaranteed, meanwhile, sealing glue is injected into a gap between the external expansion plate and the top cover, and the sealing gaskets can be prevented from making contact with air through the pressing plates; the aging speed of the rubber is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil -immersed transformer technical field especially a sealed element protection device of bilateral sealing. BACKGROUND

[0002] The high pressure plant transformer of coal-fired unit is oil-immersed transformer, and the top of on-load voltage regulation uses elliptical nitrile rubber sealing gasket to seal the body oil, on-load voltage regulation oil and air, the middle part of the sealing gasket is exposed to air in the oil sealing of bilateral, and the sealing gasket uses rectangular pad to compact along the vertical direction, and with the rubber aging, the insufficient pressing force and so on, the service life increases and is easy to appear the situation such as rubber pad cracking and oil leakage. SUMMARY

[0003] This section is directed to a summary of some aspects of the embodiments of the utility model and a brief introduction to some preferred embodiments. In this section and the abstract of the specification and the utility model name of this application, some simplification or omission may be made to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplification or omission cannot be used to limit the scope of the utility model.

[0004] In view of the above technical problem of oil leakage in oil-immersed transformer with aging sealing gasket in the prior art, the utility model is proposed.

[0005] To solve the above technical problem, the utility model provides the following technical scheme: a sealed element protection device of bilateral sealing, comprising a sealed element protection device of bilateral sealing, comprising,

[0006] The extrusion assembly comprises a partition ring, a bolt connected to the top of the partition ring, a sealing gasket connected to the surface of the bolt, a pressing plate arranged above the sealing gasket and an extrusion block arranged above the pressing plate; and,

[0007] The outer expansion plate is arranged between the sealing gasket and the pressing plate; and,

[0008] The top cover is arranged in the inner part of the outer expansion plate; wherein,

[0009] When the extrusion block moves downward, the pressing plate is extruded, and the top cover and the outer expansion plate are kept in the same horizontal plane.

[0010] As a preferred scheme of the sealed element protection device of bilateral sealing of the utility model, the upper end of the extrusion block is provided with a nut, and the nut is connected with the bolt through threads.

[0011] As a preferred scheme of the sealed element protection device of bilateral sealing of the utility model, the surface of the sealing gasket is provided with a slot, and the bolt is arranged in the inner part of the slot.

[0012] As a preferred scheme of the utility model double -sided sealing sealing element protection device, wherein: the surface of the pressing plate is provided with a through slot, the bolt is arranged in the slot.

[0013] As a preferred scheme of the utility model double -sided sealing sealing element protection device, wherein: the surface of the extruding block is provided with connecting groove, the bolt is arranged in the slot.

[0014] As a preferred scheme of the utility model double -sided sealing sealing element protection device, wherein: the pressing plate and the sealing pad are consistent in shape, and the pressing plate is composed of multiple segments.

[0015] As a preferred scheme of the utility model double -sided sealing sealing element protection device, wherein: the pressing plate includes a plate body, and the bottom of the plate body is fixed with an elastic pad.

[0016] As a preferred scheme of the utility model double -sided sealing sealing element protection device, wherein: the outer expansion plate and the top cap are filled with plane sealant.

[0017] As a preferred scheme of the utility model double -sided sealing sealing element protection device, wherein: the extruding block is semicircular, and the bottom of the extruding block is in contact with the surface of the pressing plate.

[0018] As a preferred scheme of the utility model double -sided sealing sealing element protection device, wherein: the distance between the outer expansion plate and the top cap is less than the width of the sealing pad.

[0019] The double -sided sealing sealing element protection device has the beneficial effects that: by the multiple -segment pressing plate, all extruding blocks can be avoided to be removed, the normal work of the equipment is guaranteed, and the gap between the outer expansion plate and the top cap is filled with sealant and the setting of the pressing plate, so that the sealing pad can be avoided to contact air, and the aging speed of rubber is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without the creative labor of the ordinary skilled in the art.

[0021] Fig. 1 It is the overall structure schematic diagram of the utility model.

[0022] Fig. 2 It is the cut structure schematic diagram of the utility model.

[0023] Fig. 3 It is the structure schematic diagram of the pressing plate in the utility model.

[0024] Fig. 4 Figure 1 is a schematic view of the pressure plate of the utility model. DETAILED DESCRIPTION

[0025] In order to make the above objectives, characteristics and advantages of the utility model more apparent, easy to understand, the specific embodiments of the utility model will be described in detail below with reference to the accompanying drawings.

[0026] In the following description, a lot of specific details are set forth in order to give a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.

[0027] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the utility model. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent of or mutually exclusive with other embodiments.

[0028] Embodiment 1, refer to Figs. 1-4 , the first embodiment of the utility model, the embodiment provides a kind of bilateral sealing sealing piece protection device, including a kind of bilateral sealing sealing piece protection device, including,

[0029] Extrusion assembly 100, including partition ring 101, bolt 105 connected at the top of partition ring 101, sealing gasket 102 connected with the surface of bolt 105, pressing plate 103 arranged above sealing gasket 102 and extrusion block 104 arranged above pressing plate 103;And,

[0030] Outer expansion plate 200 is arranged between sealing gasket 102 and pressing plate 103;And,

[0031] Top cover 300 is arranged in the inside of outer expansion plate 200;Wherein,

[0032] When extrusion block 104 moves downward, pressing plate 103 is extruded, and top cover 300 and outer expansion plate 200 remain in the same horizontal plane.

[0033] Further, the upper end of extrusion block 104 is provided with a nut, and the nut is connected with bolt 105 by thread.

[0034] Extrusion block 104 is extruded downward by nut, and the position of top cover 300 is fixed.

[0035] The surface of sealing gasket 102 is provided with a slot, and bolt 105 is arranged in the slot.

[0036] The sealing gasket 102 is sleeved on the surface of the bolt 105 through the slot, so as to fix the position of the sealing gasket 102.

[0037] The surface of the pressing plate 103 is provided with a through slot, and the bolt 105 is arranged in the through slot.

[0038] The pressing plate 103 is sleeved on the surface of the bolt 105 through the through slot, so as to fix the position of the pressing plate 103.

[0039] The surface of the extrusion block 104 is provided with a connecting slot, and the bolt 105 is arranged in the connecting slot.

[0040] The extrusion block 104 is sleeved on the surface of the bolt 105 through the connecting slot, so as to fix the position of the extrusion block 104.

[0041] The pressing plate 103 and the sealing gasket 102 are consistent in shape, and the pressing plate 103 is composed of multiple segments.

[0042] The multiple-segment pressing plate 103 avoids dismounting the extrusion block 104 on the surface of the whole device, and facilitates installation of the pressing plate 103.

[0043] The outer expansion plate 200 and the top cover 300 are filled with plane sealant.

[0044] The plane sealant can further avoid contact of external water with the surface of the sealing gasket 102, and increase the service life of the sealing gasket 102.

[0045] In use, the sealing gasket 102 is aligned with the bolt 105, the sealing gasket 102 is laid on the surface of the partition ring 101, the top cover 300 is installed in place, then the extrusion block 104 is fixed on the surface of the bolt 105 through a nut, the extrusion block 104 extrudes the surface of the top cover 300, when the pressing plate 103 needs to be fixed, the nuts on the upper ends of the four adjacent extrusion blocks 104 are removed, plane sealant is filled into the gap between the outer expansion plate 200 and the top cover 300, then a segment of the pressing plate 103 is aligned with the bolt 105, the position of the pressing plate 103 is fixed, and the extrusion block 104 is fixed on the surface of the bolt 105 through a nut.

[0046] Embodiment 2, refer to Figs. 1-4 The second embodiment of the utility model is different from the previous embodiment in that it further comprises

[0047] The pressing plate 103 comprises a plate body 103a, and the plate body 103a is fixed with an elastic pad 103b at the bottom.

[0048] The elastic pad 103b can increase the adhesion between the outer expansion plate 200 and the top cover 300, and avoid water entering.

[0049] The extrusion block 104 is semi-circular, and the flat bottom of the extrusion block 104 is in contact with the surface of the pressing plate 103.

[0050] The flat bottom of the extrusion block 104 ensures that the pressure is evenly distributed across the surface of the plate body 103a.

[0051] The distance between the outer expansion plate 200 and the top cover 300 is less than the width of the sealing gasket 102.

[0052] The larger sealing gasket 102 prevents water from entering the interior of the device.

[0053] In use: the elastic gasket 103b is deformed by the extrusion block 104, preventing water from entering, and the flat bottom of the extrusion block 104 ensures that the pressure is evenly distributed across the surface of the plate body 103a.

[0054] It is important to note that the construction and arrangements of the application shown in the various exemplary embodiments are illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in the application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be varied or re-sequenced without materially affecting the application. Any "means plus function" clauses are intended to cover the structures described herein as performing the recited functionality and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the present application. Accordingly, the present application is not limited to the particular embodiments described and illustrated herein, but extends to equivalents of which the foregoing describes are intended to cover.

[0055] Also, in order to provide a concise description of exemplary embodiments, all features of an actual implementation can not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the application, or those unrelated to enabling the claimed application).

[0056] It is to be understood that the development of the particular implementations described herein was not determined merely by the availability of certain items or materials. Rather and more generally, specific implementations can be determined, for example, based on the particular requirements of the instrument or system to which that implementation relates. For example, a specific implementation of a reagent or kit can be determined based on the number of assays or assays types that are to be performed by the instrument or system that implementation relates to.

[0057] It should be noted that the above examples are only used to illustrate the technical solutions of the present application, not to limit it. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A double-sided sealing protection device, characterized in that: include, The extrusion assembly (100) includes a separator ring (101), a bolt (105) connected to the top of the separator ring (101), a sealing gasket (102) connected to the surface of the bolt (105), a pressure plate (103) disposed above the sealing gasket (102), and an extrusion block (104) disposed above the pressure plate (103); and, An expansion plate (200) is disposed between the sealing gasket (102) and the pressure plate (103); and, A top cover (300) is disposed inside the outer expansion plate (200); wherein, When the extrusion block (104) moves downward, the pressure plate (103) is extruded, and the top cover (300) and the outer expansion plate (200) remain on the same horizontal plane.

2. The double-sided sealing protection device as described in claim 1, characterized in that: The upper end of the extrusion block (104) is provided with a nut, which is connected to the bolt (105) by threads.

3. The double-sided sealing protection device as described in claim 2, characterized in that: The surface of the sealing gasket (102) is provided with a groove, and the bolt (105) is disposed inside the groove.

4. The double-sided sealing protection device as described in claim 3, characterized in that: The surface of the pressure plate (103) is provided with a through groove, and the bolt (105) is located inside the groove.

5. The double-sided sealing protection device as described in claim 4, characterized in that: The surface of the extrusion block (104) is provided with a connecting groove, and the bolt (105) is located inside the groove.

6. The double-sided sealing protection device as described in claim 5, characterized in that: The pressure plate (103) and the sealing gasket (102) have the same shape, and the pressure plate (103) is composed of multiple segments.

7. The double-sided sealing protection device as described in claim 6, characterized in that: The pressure plate (103) includes a plate body (103a), and an elastic pad (103b) is fixed to the bottom of the plate body (103a).

8. The double-sided sealing protection device as described in claim 7, characterized in that: The space between the outer expansion plate (200) and the top cover (300) is filled with flat sealant.

9. The double-sided sealing protection device as described in claim 8, characterized in that: The extrusion block (104) is semi-circular, and the bottom plane of the extrusion block (104) is in contact with the surface of the pressure plate (103).

10. The double-sided sealing protection device as described in claim 9, characterized in that: The distance between the outer expansion plate (200) and the top cover (300) is less than the width of the sealing gasket (102).

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