High-voltage oil-filled outdoor terminal

Abstract

The utility model discloses a high-voltage oil-filled outdoor terminal, and relates to the technical field of outdoor terminals. The high-voltage oil-filled outdoor terminal comprises a terminal body, and the terminal body comprises a mounting plate and a fixed sleeve arranged on the upper surface of the mounting plate; and the sealing assembly is used for sealing the mounting plate and the bottom of the fixed sleeve. According to the high-pressure oil-filled outdoor terminal, the sealing assembly is arranged, so that in the actual installation process of the high-pressure oil-filled outdoor terminal, the fixed sleeve can be rapidly installed, and the gap between the insertion ring and the insertion groove can be effectively sealed after installation; meanwhile, the sealing position between the inner wall of the fixing sleeve and the sealing ring can be effectively sealed, so that in the actual installation process of the high-pressure oil-filled outdoor terminal, multiple effective sealing can be achieved while rapid installation is achieved, installation is easy and convenient, great convenience is provided for installation personnel, and the installation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of outdoor terminals, in particular to a high-pressure oil-filled outdoor terminal. Background Art

[0002] The cable outdoor terminal is the main cable accessory, through which the underground cable and the high-voltage transmission line on the high-voltage transmission tower are reliably connected. The existing patent is a 110kV oil-filled insulating bushing outdoor terminal, patent announcement number CN114284979A, which includes a mounting base plate, the upper end of the mounting base plate is fixedly connected to the bushing, and the bushing is coaxially provided with a cable. The upper end of the cable passes through the bushing and is connected to the outlet clamp, and the lower end passes through the mounting base plate and is connected to the tail pipe. The cable in the bushing is tightly matched with the bushing through multiple sealing mechanisms to form a sealed cavity, and the sealed cavity is filled with insulating oil. A stress cone is provided on the cable in the bushing. The multiple sealing mechanisms include a positioning tube, and the upper end surface of the positioning tube is provided with an annular groove. A limit sleeve extending upward from the annular groove is fixed in the annular groove. An annular rubber sleeve is provided between the limit sleeve and the stress cone. The 110kV oil-filled insulating bushing outdoor terminal has a simple structure, effectively prevents leakage, and is safe and stable.

[0003] With respect to the above-mentioned related technologies, the inventors believe that the following defects exist: the technical solution proposed in the above-mentioned patent technology can effectively seal the bottom end of the outdoor terminal of the oil-filled insulating sleeve in the actual process of sealing the bottom end, but the sealing process is very complicated and needs to be operated in a small space, which is very inconvenient and reduces the installation efficiency.

[0004] Therefore, we proposed a high-pressure oil-filled outdoor terminal to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a high-pressure oil-filled outdoor terminal, which solves the problems of complicated installation and low installation efficiency.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a high-pressure oil-filled outdoor terminal, comprising:

[0007] The terminal body comprises a mounting plate and a fixing sleeve arranged on the upper surface of the mounting plate, wherein a cable is arranged inside the fixing sleeve, a cable clamp is arranged at the bottom end of the fixing sleeve, a stress cone is arranged on the surface of the cable inside the fixing sleeve, and insulating oil is poured inside the fixing sleeve;

[0008] A sealing assembly is used to seal the bottom of the mounting plate and the fixed sleeve, the sealing assembly includes a mounting hole opened on the upper surface of the mounting plate, and a mounting plate fixedly mounted on the inner wall of the mounting hole, the upper surface of the mounting plate is provided with a through hole fixedly connected to the outer surface of the cable clamp, the sealing assembly also includes a connecting ring fixedly mounted on the outer surface of the bottom end of the fixed sleeve, and a sealing ring fixedly mounted on the upper surface of the mounting plate, an annular cavity is opened inside the mounting plate, and a plurality of bidirectional threaded columns are arranged on the inner wall of the annular cavity in a circumferential array, and the outer surface of the bidirectional threaded column is provided with a plurality of bidirectional threaded columns. The surface is respectively threadedly connected with a first slide plate and a second slide plate which are slidably connected to the bottom wall of the annular cavity; the lower surface of the mounting plate is provided with a rotating tube for driving a plurality of bidirectional threaded columns to rotate simultaneously; the lower surface of the connecting ring is fixed with two symmetrical sealing rings, and the upper surface of the mounting plate is provided with an annular sealing groove which is compatible with the two sealing rings; the upper surface of the connecting ring is provided with a plurality of threaded holes in a circumferential array, and the inner wall of the threaded hole is threadedly connected with a locking bolt; the upper surface of the mounting plate is provided with a cylindrical threaded groove which is compatible with the locking bolt.

[0009] Preferably, a plug-in ring is fixedly provided on the lower surface of the connecting ring, and a plug-in groove matched with the plug-in ring is opened on the upper surface of the mounting plate.

[0010] Preferably, the inner bottom wall of the annular cavity is provided with a sliding hole extending to the inside of the plug-in groove, the side of the first slide plate is fixed with a positioning column slidably connected to the inner wall of the sliding hole, and the side of the plug-in ring is provided with a positioning groove adapted to the positioning column.

[0011] Preferably, an airbag column is fixedly provided on the inner wall of the positioning groove, and a first return spring is fixedly provided on the inner wall of the airbag column, a first annular mounting groove is opened on the inner ring surface of the plug-in ring, and a first sealing airbag ring is fixedly provided on the inner wall of the first annular mounting groove, and a first inflation tube extending to the interior of the first sealing airbag ring is embedded in the inner wall of the airbag column.

[0012] Preferably, the inner wall of the annular cavity is fixedly provided with a corrugated inflatable airbag corresponding to the second slide plate, and a second return spring is arranged inside the corrugated inflatable airbag, a second annular mounting groove is opened on the outer ring surface of the sealing ring, a second sealing airbag ring is fixedly provided on the inner wall of the second annular mounting groove, and a second inflation tube connected to the second sealing airbag ring is embedded in the inner wall of the corrugated inflatable airbag.

[0013] Preferably, the lower surface of the mounting plate is provided with a rotating opening extending into the interior of the annular cavity for the rotating tube to rotate, and a bevel gear ring is fixedly provided on the inner annular surface of the rotating tube, and the outer surfaces of several of the bidirectional threaded columns are fixedly provided with bevel gears meshing with the bevel gear ring, and the bottom end surface of the rotating tube is fixedly provided with an operating column for facilitating the rotation of the rotating tube.

[0014] Preferably, the sealing ring and the lower surface of the mounting plate are both fixedly provided with a conical sealing sleeve for sealing the outer surface of the cable clamp.

[0015] Beneficial Effects

[0016] The utility model provides a high-pressure oil-filled outdoor terminal. Compared with the prior art, it has the following advantages:

[0017] Beneficial effects:

[0018] The high-pressure oil-filled outdoor terminal, by providing a sealing component, can realize rapid installation of the fixed sleeve during the actual installation process of the high-pressure oil-filled outdoor terminal, and can realize effective sealing of the gap between the plug-in ring and the plug-in groove after installation, and can effectively seal the sealing part between the inner wall of the fixed sleeve and the sealing ring at the same time, thereby enabling the high-pressure oil-filled outdoor terminal to realize rapid installation and multiple effective seals during the actual installation process, and the installation is simple and convenient, which provides great convenience for the installers and improves the installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the fixed casing of the utility model;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of the installation disk of the utility model;

[0022] Figure 4 For this utility model Figure 3 The enlarged structural diagram at A in the middle;

[0023] Figure 5 For this utility model Figure 3 Enlarged structural diagram at B in the middle.

[0024] In the figure:

[0025] 100, terminal body; 101, mounting plate; 102, fixing sleeve; 103, cable; 104, cable clamp; 105, stress cone;

[0026] 200, sealing assembly; 201, mounting plate; 202, connecting ring; 203, sealing ring; 204, bidirectional threaded column; 205, first slide plate; 206, second slide plate; 207, rotating tube; 208, sealing ring; 209, locking bolt; 2010, plug-in ring; 2011, positioning column; 2012, airbag column; 2013, first return spring; 2014, first sealing airbag ring; 2015, first inflation tube; 2016, corrugated inflation airbag; 2017, second return spring; 2018, second sealing airbag ring; 2019, second inflation tube; 2020, bevel gear ring; 2021, bevel gear; 2022, operating column;

[0027] 300. Conical sealing sleeve. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-5 The utility model provides a technical solution: a high-pressure oil-filled outdoor terminal, comprising:

[0030] The terminal body 100 includes a mounting plate 101 and a fixing sleeve 102 disposed on the upper surface of the mounting plate 101, wherein a cable 103 is disposed inside the fixing sleeve 102, a cable clamp 104 is disposed at the bottom end of the fixing sleeve 102, a stress cone 105 is disposed inside the fixing sleeve 102 on the surface of the cable 103, and insulating oil is poured into the fixing sleeve 102;

[0031] The sealing assembly 200 is used to seal the bottom of the mounting plate 101 and the fixed sleeve 102. The sealing assembly 200 includes a mounting hole opened on the upper surface of the mounting plate 101, and a mounting plate 201 fixedly mounted on the inner wall of the mounting hole. The upper surface of the mounting plate 201 is provided with a through hole fixedly connected to the outer surface of the cable clamp 104. The sealing assembly 200 also includes a connecting ring 202 fixedly mounted on the outer surface of the bottom end of the fixed sleeve 102, and a sealing ring 203 fixedly mounted on the upper surface of the mounting plate 201. An annular cavity is opened inside the mounting plate 201, and a plurality of bidirectional threaded columns 204 are arranged on the inner wall of the annular cavity in a circular array, and the bidirectional threaded columns 204 are arranged in a circular array. The outer surfaces of 204 are respectively threadedly connected with the first slide plate 205 and the second slide plate 206 which are slidably connected to the bottom wall of the annular cavity. The lower surface of the mounting disk 201 is provided with a rotating tube 207 for driving a plurality of bidirectional threaded columns 204 to rotate simultaneously. The lower surface of the connecting ring 202 is fixed with two symmetrical sealing rings 208, and the upper surface of the mounting disk 201 is provided with an annular sealing groove matched with the two sealing rings 208. The upper surface of the connecting ring 202 is provided with a plurality of threaded holes in a circular array, and the inner walls of the threaded holes are threadedly connected with locking bolts 209, and the upper surface of the mounting disk 201 is provided with a cylindrical threaded groove matched with the locking bolts 209.

[0032] See also Figure 3-4 A plug-in ring 2010 is fixedly provided on the lower surface of the connecting ring 202 , and a plug-in groove matched with the plug-in ring 2010 is opened on the upper surface of the mounting plate 201 , so as to facilitate fixing the connecting ring 202 and the mounting plate 201 .

[0033] See also Figure 3-4 The inner bottom wall of the annular cavity is provided with a sliding hole extending to the inside of the plug-in groove, and the side of the first slide plate 205 is fixed with a positioning column 2011 that is slidably connected to the inner wall of the sliding hole. The side of the plug-in ring 2010 is provided with a positioning groove that is compatible with the positioning column 2011, so that the plug-in ring 2010 can be fixed inside the plug-in groove through the positioning column 2011.

[0034] See also Figure 3-4 An airbag column 2012 is fixedly provided on the inner wall of the positioning groove, and a first return spring 2013 is fixedly provided on the inner wall of the airbag column 2012. A first annular mounting groove is opened on the inner ring surface of the plug-in ring 2010, and a first sealing airbag ring 2014 is fixedly provided on the inner wall of the first annular mounting groove. A first inflation tube 2015 extending to the inside of the first sealing airbag ring 2014 is embedded in the inner wall of the airbag column 2012, and effective sealing between the plug-in ring 2010 and the plug-in groove can be achieved through the expansion of the first sealing airbag ring 2014. Moreover, when disassembling, the provision of the first return spring 2013 can facilitate the resetting of the airbag column 2012.

[0035] See also Figure 3-5The inner wall of the annular cavity is fixedly provided with a corrugated inflatable airbag 2016 corresponding to the second slide plate 206, and a second return spring 2017 is arranged inside the corrugated inflatable airbag 2016, and a second annular mounting groove is opened on the outer ring surface of the sealing ring 203, and a second sealing airbag ring 2018 is fixedly provided on the inner wall of the second annular mounting groove, and a second inflation tube 2019 connected with the second sealing airbag ring 2018 is embedded in the inner wall of the corrugated inflatable airbag 2016, which can expand the second sealing airbag ring 2018 and effectively seal the gap between the fixed sleeve 102 and the sealing ring 203, and can facilitate the resetting of the corrugated inflatable airbag 2016 under the action of the second return spring 2017.

[0036] See also Figure 3-4 The lower surface of the mounting plate 201 is provided with a rotating opening extending into the annular cavity for the rotating tube 207 to rotate, and the inner ring surface of the rotating tube 207 is fixedly provided with a bevel gear ring 2020, and the outer surfaces of several bidirectional threaded columns 204 are fixedly provided with bevel gears 2021 that mesh with the bevel gear ring 2020, and the bottom end surface of the rotating tube 207 is fixedly provided with an operating column 2022 for facilitating the operation of rotating the rotating tube 207, so that the rotating tube 207 can be rotated by the operating column 2022 to drive several bidirectional threaded columns 204 to rotate simultaneously.

[0037] See also Figure 3 The sealing ring 203 and the lower surface of the mounting plate 201 are both fixedly provided with a conical sealing sleeve 300 for sealing the outer surface of the cable clamp 104 , which can effectively seal between the cable clamp 104 and the mounting plate 201 .

[0038] The high-pressure oil-filled outdoor terminal, by providing a sealing component 200, can achieve rapid installation of the fixed sleeve 102 during actual installation, and can achieve effective sealing of the gap between the plug-in ring 2010 and the plug-in groove after installation, and can effectively seal the seal between the inner wall of the fixed sleeve 102 and the sealing ring 203 at the same time, thereby enabling the high-pressure oil-filled outdoor terminal to achieve rapid installation and multiple effective seals during actual installation, and the installation is simple and convenient, which provides great convenience for the installers and improves the installation efficiency.

[0039] During operation, during the actual installation process of the high-voltage oil-filled outdoor terminal, after the fixed sleeve 102 is sleeved on the mounting plate 101, the plug-in ring 2010 can be inserted into the plug-in groove on the mounting plate 201, and then the rotating tube 207 is rotated by the operating column 2022. The rotation of the rotating tube 207 drives the bevel gear ring 2020 to rotate, and the rotation of the bevel gear ring 2020 drives a number of bevel gears 2021 to rotate, thereby driving a number of bidirectional threaded columns 204 to rotate, and the rotation of the bidirectional threaded column 204 drives the first slide plate 205 to move toward the periphery, thereby driving the positioning column 2011 to insert into the positioning groove on the plug-in ring 2010, thereby effectively positioning the plug-in ring 2010, and finally, by tightening the locking bolt 209, the fixed sleeve 102 can be quickly installed, and after installation, the insulating oil in the fixed sleeve 102 can be effectively sealed under the action of the two sealing rings 208. At the same time, when the positioning column 2011 enters the positioning groove , it can squeeze the airbag column 2012 so that the gas in the airbag column 2012 can enter the interior of the first sealing airbag ring 2014, driving the first sealing airbag ring 2014 to expand, so that the first sealing airbag ring 2014 is pressed against the inner wall of the plug-in groove, and effective sealing is achieved at the gap between the plug-in ring 2010 and the plug-in groove. Moreover, the rotation of the two-way threaded column 204 also drives the second slide plate 206 to move toward the middle, so that the second slide plate 206 squeezes the corrugated inflatable airbag 2016, driving the gas in the corrugated inflatable airbag 2016 to enter the interior of the second sealing airbag ring 2018 through the second inflation tube 2019, causing it to expand, and effectively sealing the sealing part between the inner wall of the fixed sleeve 102 and the sealing ring 203, so that the high-pressure oil-filled outdoor terminal can be quickly installed and multiple effective seals can be achieved during the actual installation process. The installation is simple and convenient, which provides great convenience for the installers and improves the installation efficiency.

[0040] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A high-pressure oil-filled outdoor terminal, characterized in that: include: A terminal body (100), the terminal body (100) comprising a mounting plate (101) and a fixing sleeve (102) arranged on the upper surface of the mounting plate (101), a cable (103) being arranged inside the fixing sleeve (102), a cable clamp (104) being arranged at the bottom end of the fixing sleeve (102), a stress cone (105) being arranged inside the fixing sleeve (102) on the surface of the cable (103), and insulating oil being poured inside the fixing sleeve (102); A sealing assembly (200) is used to seal the bottom of a mounting plate (101) and a fixed sleeve (102). The sealing assembly (200) comprises a mounting hole formed on the upper surface of the mounting plate (101), and a mounting plate (201) fixedly mounted on the inner wall of the mounting hole. The upper surface of the mounting plate (201) is provided with a through hole fixedly connected to the outer surface of a cable clamp (104). The sealing assembly (200) further comprises a connecting ring (202) fixedly mounted on the outer surface of the bottom end of the fixed sleeve (102), and a sealing ring (203) fixedly mounted on the upper surface of the mounting plate (201). An annular cavity is formed inside the mounting plate (201), and a plurality of bidirectional threaded columns (204) are arranged on the inner wall of the annular cavity in a circumferential array, and the bidirectional threaded columns (204) are arranged in a circumferential array. The outer surface of the column (204) is threadedly connected with a first slide plate (205) and a second slide plate (206) which are slidably connected to the bottom wall of the annular cavity. The lower surface of the mounting plate (201) is provided with a rotating tube (207) for driving a plurality of bidirectional threaded columns (204) to rotate simultaneously. The lower surface of the connecting ring (202) is fixed with two symmetrical sealing rings (208), and the upper surface of the mounting plate (201) is provided with an annular sealing groove matched with the two sealing rings (208). The upper surface of the connecting ring (202) is provided with a plurality of threaded holes in a circular array, and the inner wall of the threaded hole is threadedly connected with a locking bolt (209), and the upper surface of the mounting plate (201) is provided with a cylindrical threaded groove matched with the locking bolt (209).

2. A high-voltage oil-filled outdoor terminal according to claim 1, characterized in that: A plug-in ring (2010) is fixedly provided on the lower surface of the connecting ring (202), and a plug-in groove matching the plug-in ring (2010) is provided on the upper surface of the mounting plate (201).

3. A high-voltage oil-filled outdoor terminal according to claim 2, characterized in that: The inner bottom wall of the annular cavity is provided with a sliding hole extending to the inside of the plug-in groove, the side of the first slide plate (205) is fixed with a positioning column (2011) slidably connected to the inner wall of the sliding hole, and the side of the plug-in ring (2010) is provided with a positioning groove adapted to the positioning column (2011).

4. A high-voltage oil-filled outdoor terminal according to claim 3, characterized in that: An airbag column (2012) is fixedly arranged on the inner wall of the positioning groove, and a first return spring (2013) is fixedly arranged on the inner wall of the airbag column (2012); a first annular installation groove is opened on the inner ring surface of the plug-in ring (2010), and a first sealing airbag ring (2014) is fixedly arranged on the inner wall of the first annular installation groove; a first inflation tube (2015) extending to the inside of the first sealing airbag ring (2014) is embedded in the inner wall of the airbag column (2012).

5. A high-voltage oil-filled outdoor terminal according to claim 4, characterized in that: The inner wall of the annular cavity is fixedly provided with a corrugated inflatable airbag (2016) corresponding to the second slide plate (206), and a second return spring (2017) is arranged inside the corrugated inflatable airbag (2016), the outer ring surface of the sealing ring (203) is provided with a second annular mounting groove, and the inner wall of the second annular mounting groove is fixedly provided with a second sealing airbag ring (2018), and the inner wall of the corrugated inflatable airbag (2016) is embedded with a second inflation tube (2019) connected to the second sealing airbag ring (2018).

6. A high-voltage oil-filled outdoor terminal according to claim 1, characterized in that: The lower surface of the mounting plate (201) is provided with a rotating opening extending into the annular cavity for the rotating tube (207) to rotate, and the inner annular surface of the rotating tube (207) is fixedly provided with a bevel gear ring (2020), the outer surfaces of the plurality of bidirectional threaded columns (204) are fixedly provided with bevel gears (2021) meshing with the bevel gear ring (2020), and the bottom end surface of the rotating tube (207) is fixedly provided with an operating column (2022) for facilitating the rotation of the rotating tube (207).

7. A high-voltage oil-filled outdoor terminal according to claim 1, characterized in that: The sealing ring (203) and the lower surface of the mounting plate (201) are both fixedly provided with a conical sealing sleeve (300) for sealing the outer surface of the cable clamp (104).

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