Ultrahigh-voltage cable outdoor terminal filled with environment-friendly gas

Abstract

The invention discloses an ultrahigh-pressure cable outdoor terminal filled with environment-friendly gas, and particularly relates to the technical field of cable installation, the ultrahigh-pressure cable outdoor terminal comprises an inflation installation assembly and a gas supplement installation assembly, the inflation installation assembly comprises a division bar, a film body and a rotating rod, the division bar is fixed to the inner wall of a terminal sleeve, and one side of the division bar is connected with the film body capable of being cut; the rotating rod is rotationally arranged on one side of the inner wall of the film body, and the air supply mounting assembly comprises an arc-shaped film fixedly connected to one side of the groove strip. According to the invention, through the air inflation installation assembly and the air supply installation assembly, automatic quantitative air inflation and air supply installation operation can be completed in the terminal sleeve according to a specified amount, the complexity caused by carrying equipment during outdoor installation is effectively avoided, and the installation efficiency of the cable terminal is greatly improved; therefore, the problem that the installation efficiency of the cable terminal is greatly reduced due to the fact that internal autonomous quantitative operation is difficult to realize because the terminal does not preset the air charging and supplementing functions is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of cable installation, and more particularly to an ultra-high-pressure outdoor cable terminal filled with environmentally friendly gas. Background Art

[0002] Cable outdoor terminals with ultra-high voltage and environmentally friendly gas filling play an important role in cable installation and operation. They combine high-voltage insulation, environmental protection requirements, and adaptability to outdoor environments. Their core function is in ultra-high voltage cable systems of 500kV and above. Terminals must withstand voltages of hundreds of thousands of volts, and traditional air insulation is prone to corona discharge or breakdown. The environmentally friendly gas is a mixture of heptafluoroisobutyronitrile and carbon dioxide. The insulation strength of the environmentally friendly gas is superior to that of air, preventing partial discharge and ensuring safe operation of the cable after installation.

[0003] Among the existing public documents, patent announcement number CN203466512U discloses a silicone rubber integral prefabricated outdoor terminal installation tool. This technology uses an air cylinder inserted into the inner hole of the terminal tail to inflate the terminal; a top plate for fixing the air cylinder, said top plate being fixedly connected to a fixing frame. The utility model has a compact overall structure, is lightweight, has high strength, and is easy to carry. This tool is used to fix the flexible cable terminal to form a rigid whole, thereby avoiding deformation during the terminal installation process. At the same time, it can keep the terminal and the cable in a coaxial position. The fixation of the clamping plate can make the terminal bear the force as a whole during the forward movement, without serious tensile deformation, thereby improving installation efficiency and reducing the probability of installation damage. However, this patent has the following defects.

[0004] When installing the outdoor terminal of the ultra-high voltage cable, the process of filling and replenishing environmentally friendly gas is cumbersome. It requires the use of an air pump and a large number of protective gas diversion and storage pipes to fill the terminal with gas. It is necessary to carry heavy supporting equipment, and the pipes must be removed one by one after inflation. When replenishing gas later, the operations of carrying, connecting and disassembling equipment pipes must be repeated, and inflation and replenishment must be carried out according to standard pressure specifications. It is difficult for the air pump to accurately control the pressure. If it is too large, the sealing will be deteriorated, and if it is too small, the high-voltage insulation effect will be reduced. Because the terminal itself does not have a preset filling and replenishing function, it is difficult to achieve internal autonomous quantitative operation, which makes the filling and replenishing links alone in the outdoor installation time-consuming and labor-intensive, increasing the complexity and cost of the operation, and greatly reducing the installation efficiency of the cable terminal. Summary of the Invention

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides the following technical solution: an ultra-high pressure outdoor cable terminal filled with environmentally friendly gas, comprising a terminal sleeve, both ends of which are fixedly connected to a sealing sleeve, and an inner wall of the terminal sleeve is provided with an inflatable mounting assembly, the inflatable mounting assembly comprising: A spacer fixed to the inner wall of the terminal sleeve, wherein one side of the spacer is connected to a cuttable membrane; A rotating rod provided on one side of the inner wall of the membrane body is rotated, wherein a cutting blade is fixed on the inner side of the rotating rod; A groove is fixedly connected to one side of the edge of the connecting membrane body, and the outer wall of the groove is fixedly connected to the partition. The partition and the inner wall of the terminal sleeve form a sealed preset air cavity. An air supply installation component is provided on one side of the groove, and the air supply installation component includes: An arc-shaped membrane is fixedly connected to one side of the groove bar, a support bar is fixedly connected to one side of the arc-shaped membrane, and an air replenishing cavity is provided between the partition plate and the support bar; A sealing linkage mechanism is installed on the top end of the connecting rod, and the sealing linkage mechanism is used to drive the rotating rod to rotate while maintaining a sealed state.

[0006] In a preferred embodiment, a gap is provided between the groove bar and the rotating rod, and the partition is fixedly connected to the terminal sleeve.

[0007] In a preferred embodiment, the arc-shaped membrane and the support bars are both rotatably connected to a rotating rod, and the outer wall of the rotating rod is a smooth surface.

[0008] In a preferred embodiment, the sealing linkage mechanism includes: A linkage rod is fixedly connected to the top end of the rotating rod, and the linkage rod is rotationally connected to the sealing sleeve; The rotating cap is fixedly mounted on the top end of the linkage rod. A silicone soft sleeve is provided on the outside of the rotating cap. The bottom end of the silicone soft sleeve is fixedly connected to the sealing sleeve.

[0009] In a preferred embodiment, the cross-section of the rotating cap is polygonal, a support block is provided between the linkage rod and the rotating cap, and the bottom end of the support block is fixedly connected to the sealing sleeve; An elastic strip is fixedly connected to one side of the support block, and a linkage block is fixedly installed on one end of the elastic strip. The linkage block is fixedly connected to the linkage rod, and the linkage block and the elastic strip are both slidably connected to the sealing sleeve.

[0010] In a preferred embodiment, a soft gasket ring is fixedly connected to the inner wall of the sealing sleeve, and the cross-section of the soft gasket ring is in the shape of a circular ring.

[0011] In a preferred embodiment, a plug is installed inside the air-compensating cavity, the plug is plugged into the terminal sleeve, and the plug is made of rubber.

[0012] In a preferred embodiment, a plug is installed inside the preset air cavity, and the plug is plugged into the terminal sleeve.

[0013] In a preferred embodiment, the plug post is made of rubber material, and the outer wall of the plug post is a smooth surface.

[0014] Technical effects and advantages of the present invention: 1. The present invention adopts an inflation installation component and an air supply installation component. When the internal inflation is preset, the rotating rod drives the blade to rotate and cut the membrane, so that the quantitative environmentally friendly gas in the preset air cavity spreads to between the terminal sleeve and the cable, completing the self-inflation operation. When the internal air is supplied, the blade rotates and cuts the arc-shaped membrane, releasing the specified amount of environmentally friendly gas in the air supply cavity, realizing the self-supply operation. The whole process does not require personnel to carry a large amount of air supply equipment and inflation equipment and related pipelines. The autonomous quantitative inflation and air supply installation operations can be completed according to the specified amount inside the terminal sleeve, effectively avoiding the tediousness caused by carrying equipment during outdoor installation, saving time and effort in the inflation and air supply installation process, reducing the complexity and cost of the operation, and greatly improving the installation efficiency of the cable terminal.

[0015] 2. The present invention adopts an inflation installation component and an air supply installation component. A preset air cavity and an air supply cavity are integrated inside the terminal sleeve. The rotating rod is used to link the blade to rotate and cut the membrane body and the arc membrane to complete the quantitative inflation and air supply operations respectively. There is no need for external complex inflation and air supply equipment and pipelines. The membrane body and the arc membrane are kept taut to ensure that the cutting is accurate and controllable, making the overall structure of the terminal sleeve compact, the installation and transportation volume reduced, greatly reducing the installation cost, and improving the installation efficiency.

[0016] 3. The present invention adopts a sealing linkage mechanism, which uses needle-nosed pliers to clamp the silicone soft sleeve to drive the rotating cap, driving the linkage rod to rotate counterclockwise one hundred and eighty degrees in the sealing sleeve. During this process, the linkage block synchronously stretches the elastic strip, and with the help of the fixing force of the sealing sleeve on the support block, a large external force is required to rotate the linkage rod, which effectively prevents misoperation when the terminal sleeve is not installed. At the same time, the sealing sleeve and the linkage rod are closely matched to form a dynamic sealing structure. There is no gas leakage during rotation, ensuring that the rotating rod rotates in a sealed environment. During the efficient self-inflation and air replenishment process inside the terminal sleeve, the sealing performance of the terminal sleeve during self-inflation and air replenishment installation is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the ultra-high pressure cable outdoor terminal filled with environmentally friendly gas of the present invention.

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the outdoor terminal of the ultra-high-pressure cable filled with environmentally friendly gas according to the present invention.

[0019] Figure 3 For the present invention Figure 2 Enlarged structural diagram at point A in the middle.

[0020] Figure 4 It is a schematic diagram of the local structure of the connection between the spacer and the membrane body of the present invention.

[0021] Figure 5 It is a schematic diagram of the partial structure of the connection between the spacer and the membrane body of the present invention.

[0022] Figure 6 This is a schematic diagram of the vertical cross-section structure of the ultra-high-pressure cable outdoor terminal filled with environmentally friendly gas according to the present invention.

[0023] Figure 7 It is a schematic diagram of the partial structure of the vertical section of the connection between the linkage rod and the rotating rod of the present invention.

[0024] Figure 8 It is a schematic diagram of the partial structure of the vertical section of the connection between the linkage rod and the rotating cap of the present invention.

[0025] Figure 9 For the present invention Figure 8 Enlarged structural diagram at point B in the middle.

[0026] Figure 10 It is a schematic diagram of the local structure of the connection between the terminal sleeve and the plug of the present invention.

[0027] The accompanying drawings are marked as follows: 1. terminal sleeve; 2. sealing sleeve; 3. spacer; 4. membrane body; 5. rotating rod; 6. blade; 7. groove; 8. partition; 9. preset air cavity; 10. arc membrane; 11. support bar; 12. air supply cavity; 13. linkage rod; 14. rotating cap; 15. silicone soft sleeve; 16. support block; 17. elastic strip; 18. linkage block; 19. cushion ring; 20. plug; 21. plug. DETAILED DESCRIPTION

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] As attached Figure 1 - Attachment Figure 10 The shown embodiment is an outdoor terminal for a cable filled with an ultra-high pressure environmentally friendly gas. The outdoor terminal for the cable filled with an ultra-high pressure environmentally friendly gas is provided with an inflation installation component, an air supply installation component and a sealing linkage mechanism. The setting of each component can complete autonomous quantitative inflation and air supply installation operations according to the specified amount inside the terminal sleeve 1, effectively avoiding the tediousness caused by carrying equipment during outdoor installation, making the inflation and air supply installation process time-saving and labor-saving, reducing the complexity and cost of the operation, and greatly improving the installation efficiency of the cable terminal. The specific structural settings of each component are as follows.

[0030] In this embodiment, as shown in the attached Figure 1 - Attachment Figure 5As shown, the inflatable mounting assembly includes: a spacer 3 fixed to the inner wall of the terminal housing 1, with a cuttable membrane 4 connected to one side of the spacer 3; a rotating rod 5 rotatably mounted on the inner wall of the membrane 4, with a cutting blade 6 fixed to its inner side; a groove 7 fixedly connected to the edge of the membrane 4, with a partition 8 fixedly connected to the outer wall of the groove 7. The partition 8 forms a sealed, pre-set air cavity 9 with the inner wall of the terminal housing 1. A gas replenishment mounting assembly is mounted on one side of the groove 7. The gas replenishment mounting assembly includes: a curved membrane 10 fixed to one side of the groove 7, with a support 11 fixedly connected to one side of the curved membrane 10. A gas replenishment cavity 12 is defined between the partition 8 and the support 11; a sealing linkage is mounted on the top of the rotating rod 5, which is used to drive the rotating rod 5 to rotate while maintaining a sealed state. A gap is provided between the groove 7 and the rotating rod 5, and the partition 8 is fixedly connected to the terminal housing 1. The curved membrane 10 and the support 11 are both rotatably connected to the rotating rod 5, and the outer wall of the rotating rod 5 is smooth. In order to facilitate the rotating rod 5 to drive the blade 6 to rotate counterclockwise, the membrane body 4 needs to be kept taut and fit on the outer wall of the rotating rod 5. When the blade 6 rotates counterclockwise one hundred and eighty degrees, the blade 6 will squeeze and contact the membrane body 4, so that the blade 6 performs a tightening and cutting operation on the membrane body 4. In this way, a certain amount of environmentally friendly gas in the preset air cavity 9 begins to spread, and the environmentally friendly gas between the terminal sleeve 1 and the cable is internally inflated. When air replenishment is needed later, the rotating rod 5 drives the blade 6 to continue to rotate clockwise, and the blade 6 begins to rotate along the groove 7 and contacts the arc membrane 10. The arc membrane 10 contacts the blade 6 in the pump well state, which can cause the arc membrane 10 to be cut, so that the specified amount of air replenishment environmentally friendly gas in the air replenishment cavity 12 can be released between the terminal sleeve 1 and the cable. In this way, self-air replenishment saves time and effort, and there is no need to carry air replenishment equipment.

[0031] In this embodiment, as shown in the attached Figure 6 - Attachment Figure 8 As shown, with Figure 7 For attachment Figure 6 The local diagram of the connection between the middle link 13 and the rotating rod 5, and the attached Figure 8 For attachment Figure 6 A partial view of the upper part of the middle sealing sleeve 2, the sealing linkage mechanism includes: a linkage rod 13, fixedly connected to the top of the rotating rod 5, and the linkage rod 13 is rotatably connected to the sealing sleeve 2; a rotating cap 14, fixedly installed on the top of the linkage rod 13, and a silicone soft sleeve 15 is provided on the outside of the rotating cap 14, and the bottom end of the silicone soft sleeve 15 is fixedly connected to the sealing sleeve 2, so that it is convenient to use needle-nosed pliers to clamp the silicone soft sleeve 15 on the outside of the rotating cap 14, and the silicone soft sleeve 15 is squeezed and wrapped on the outer wall of the rotating cap 14. The rotating cap 14 drives the linkage rod 13 to rotate during the rotation process. In the sealed state inside the silicone soft sleeve 15, the rotating cap 14 can be rotated, so that the linkage rod 13 drives the rotating rod 5 to rotate one hundred and eighty degrees counterclockwise in the sealed state, thereby preventing the environmental protection gas inside the terminal sleeve 1 from leaking out from the rotating gap.

[0032] In this embodiment, as shown in the attached Figure 9 As shown, the cross-section of the rotating cap 14 is polygonal. A support block 16 is provided between the linkage rod 13 and the rotating cap 14. The bottom end of the support block 16 is fixedly connected to the sealing sleeve 2. An elastic strip 17 is fixedly connected to one side of the support block 16, and a linkage block 18 is fixedly installed on one end of the elastic strip 17. The linkage block 18 is fixedly connected to the linkage rod 13, and both the linkage block 18 and the elastic strip 17 are slidably connected to the sealing sleeve 2. A soft cushion ring 19 is fixedly connected to the inner wall of the sealing sleeve 2. The cross-section of the soft cushion ring 19 is circular, so that the linkage block 18 can pull one end of the elastic strip 17 to stretch it. The other end of the elastic strip 17 is fixedly pulled on the support block 16. The linkage rod 13 needs to apply a large rotational force to rotate inside the sealing sleeve 2, to prevent other people from accidentally rotating the rotating cap 14.

[0033] In this embodiment, as shown in the attached Figure 10 As shown, a plug 20 is installed inside the air-filling cavity 12, and the plug 20 is plugged into the terminal sleeve 1. The plug 20 is made of rubber material, so that the environmentally friendly gas can be pre-filled into the air-filling cavity 12 in a quantitative manner. The outside of the plug 20 is coated with glue and sealed and inserted into the inside of the terminal sleeve 1. After the glue solidifies, it can play a plug-in sealing operation, making it convenient for the preset environmentally friendly gas to enter the air-filling cavity 12.

[0034] In this embodiment, as shown in the attached Figure 10 As shown, a plug 21 is installed inside the preset air cavity 9 and plugs into the terminal sleeve 1. The plug 21 is made of rubber and has a smooth outer surface to facilitate the pre-filling of the preset air cavity 9 with a fixed amount of environmentally friendly gas. By applying sealing glue on the outer wall of the plug 21, the plug 21 is inserted into the hole of the terminal sleeve 1 to complete the sealing operation and facilitate the entry of the preset environmentally friendly gas into the preset air cavity 9.

[0035] The working principle of the ultra-high-voltage, environmentally friendly gas-filled cable outdoor terminal of the present invention is as follows: First, when the present invention performs a preset sealing installation, the position of the plug 20 is in an open state during factory preparation, so that a hole appears in the plug 20 area on the terminal sleeve 1, and the environmentally friendly gas is pre-filled into the air replenishment cavity 12 in a quantitative manner. Then, the outside of the plug 20 is coated with glue and sealed and inserted into the inside of the terminal sleeve 1 until the glue solidifies to achieve a sealing operation. In this way, the air replenishment cavity 12 area can be pre-filled with a specified amount of air replenishment and environmentally friendly gas. The position of the plug 21 is in an open state during factory preparation, so that a hole appears in the plug 21 area on the terminal sleeve 1. The environmentally friendly gas can be pre-filled into the preset air cavity 9 in a quantitative manner. Sealing glue is applied to the outer wall of the plug 21, so that the plug 21 is inserted into the hole of the terminal sleeve 1 until the glue solidifies to achieve a sealing operation. In this way, the preset air cavity 9 area can be pre-filled with a specified amount of inflation and environmentally friendly gas. The terminal sleeve 1 can be directly carried to the outdoor ultra-high voltage cable installation area without the need to carry a large amount of inflation and air replenishment equipment. Apply sealing glue to the soft gasket rings 19 inside the two sealing sleeves 2, then pass the terminal sleeve 1 and the two soft gasket rings 19 through the peeled outer wall of the cable until the sealing glue solidifies, and then the two soft gasket rings 19 are sealed and fixed to the peeled outer wall of the cable.

[0036] Secondly, when the present invention performs sealing linkage, needle-nosed pliers are used to clamp the silicone soft sleeve 15 on the outside of the rotating cap 14. The silicone soft sleeve 15 is pressed and fits on the outer wall of the rotating cap 14. The rotating cap 14 drives the linkage rod 13 to rotate counterclockwise 180 degrees. In this way, the linkage rod 13 rotates sealingly inside the sealing sleeve 2. At the same time, the linkage rod 13 drives the linkage block 18 to rotate counterclockwise 180 degrees. The linkage block 18 pulls one end of the elastic strip 17 for stretching. At the same time, the other end of the elastic strip 17 is fixed and pulled on the support block 16, and the sealing sleeve 2 can provide a firm fixing force to the support block 16. In this way, the linkage rod 13 needs to apply a large rotational force to rotate inside the sealing sleeve 2, so as to avoid rotating the linkage rod 13 when the terminal sleeve 1 is not installed, avoid misoperation by other personnel, and realize misoperation protection. In this way, the linkage rod 13 can drive the rotating rod 5 to rotate counterclockwise 180 degrees, ensuring that the rotating rod 5 rotates counterclockwise in a sealed environment.

[0037] Then, when the present invention is installed with preset internal inflation, the rotating rod 5 drives the blade 6 to rotate counterclockwise, and at the same time the terminal sleeve 1 supports the partition 3, the partition 3 supports the membrane body 4, and at the same time the terminal sleeve 1 supports the partition 8, the partition 8 supports the groove 7, and the groove 7 supports the membrane body 4, so that the membrane body 4 remains in a taut state and fits on the outer wall of the rotating rod 5. When the blade 6 rotates 180 degrees counterclockwise, the blade 6 will squeeze and contact the membrane body 4, so that the membrane body 4 is tautly contacted on the blade 6, and the blade 6 performs a taut cutting operation on the membrane body 4, so that the preset air cavity 9 A certain amount of environmentally friendly gas begins to spread inside, and a certain amount of environmentally friendly gas begins to be transported to the gap between the terminal sleeve 1 and the cable, and the environmentally friendly gas between the terminal sleeve 1 and the cable can be internally inflated to complete the internal self-inflation installation of the terminal sleeve 1. After the inflation is completed, the rotating cap 14 is loosened. Under the action of the rebound force of the elastic strip 17, the elastic strip 17 drives the linkage block 18 to reset and rotate clockwise, and the linkage block 18 drives the linkage rod 13 to reset and rotate clockwise, and the linkage rod 13 drives the rotating cap 14 to reset and rotate clockwise to the starting origin.

[0038] Finally, when the present invention performs a preset internal air supply installation, after shutting down according to the maintenance time, when it is necessary to supplement environmentally friendly gas between the terminal sleeve 1 and the cable, the power is cut off to the cable inside the terminal sleeve 1, and the silicone soft sleeve 15 can be continued to be clamped with needle-nosed pliers. The silicone soft sleeve 15 squeezes the rotating cap 14 and rotates the silicone soft sleeve 15, so that the rotating cap 14 drives the linkage rod 13 to continue to rotate clockwise, the linkage rod 13 drives the rotating rod 5 to continue to rotate clockwise, the rotating rod 5 drives the blade 6 to continue to rotate clockwise, and the blade 6 continues to rotate along the groove body inside the groove bar 7, supporting the support bar 11 through the terminal sleeve 1, and at the same time the support bar 11 supports the arc membrane 10, and the groove bar 7 supports the arc membrane 10, so that the arc membrane 10 is tightened. In this way, the blade 6 can rotate along the groove 7 and contact the arc membrane 10. The arc membrane 10 contacts the blade 6, which can cause the arc membrane 10 to be cut. At the same time, the blade 6 is squeezed on the side of the support bar 11. The support bar 11 limits the support of the blade 6 to prevent the blade 6 from continuing to rotate. At this time, the blade 6 can no longer rotate, so that the specified amount of air-replenishing environmentally friendly gas inside the air-replenishing cavity 12 can be released between the terminal sleeve 1 and the cable, thereby continuing the self-air-replenishing operation inside the terminal sleeve 1. In this way, when the terminal sleeve 1 and the cable are installed for air-replenishing, the internal self-air-replenishing operation is performed according to the specified amount, and there is no need for personnel to carry a large amount of air-replenishing equipment and pipelines for operation. Secondly, it should be noted that the environmentally friendly gas described above is a mixture of heptafluoroisobutyronitrile and carbon dioxide, which has the advantages of good insulation and good environmental protection.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An outdoor terminal for an ultra-high-pressure cable filled with environmentally friendly gas, comprising a terminal sleeve (1), both ends of which are fixedly connected to a sealing sleeve (2), characterized in that: The inner wall of the terminal sleeve (1) is provided with an inflatable mounting assembly, and the inflatable mounting assembly comprises: A spacer (3) fixed to the inner wall of the terminal sleeve (1), wherein one side of the spacer (3) is connected to a cuttable membrane (4); A rotating rod (5) is rotatably provided on one side of the inner wall of the membrane body (4), wherein a cutting blade (6) is fixedly provided on the inner side of the rotating rod (5); A groove (7) is fixedly connected to one side of the edge of the connecting membrane (4), and the outer wall of the groove (7) is fixedly connected to a partition (8). The partition (8) and the inner wall of the terminal sleeve (1) form a sealed preset air cavity (9). An air supply installation component is provided on one side of the groove (7), and the air supply installation component includes: An arc-shaped membrane (10) is fixedly connected to one side of the groove bar (7), a support bar (11) is fixedly connected to one side of the arc-shaped membrane (10), and an air-replenishing cavity (12) is provided between the partition plate (8) and the support bar (11); A sealing linkage mechanism is installed at the top end of the connecting rotating rod (5), and the sealing linkage mechanism is used to drive the rotating rod (5) to rotate while maintaining a sealed state.

2. The ultra-high-pressure, environmentally friendly gas-filled cable outdoor terminal according to claim 1, characterized in that: A gap is provided between the groove bar (7) and the rotating rod (5), and the partition plate (8) is fixedly connected to the terminal sleeve (1).

3. The ultra-high-pressure, environmentally friendly gas-filled cable outdoor terminal according to claim 1, characterized in that: The arc-shaped membrane (10) and the support bar (11) are both rotatably connected to the rotating rod (5), and the outer wall of the rotating rod (5) is a smooth surface.

4. The ultra-high-pressure, environmentally friendly gas-filled cable outdoor terminal according to claim 1, characterized in that: The sealing linkage mechanism comprises: A linkage rod (13) is fixedly connected to the top end of the rotating rod (5), and the linkage rod (13) is rotationally connected to the sealing sleeve (2); A rotating cap (14) is fixedly mounted on the top end of the linkage rod (13). A silicone soft sleeve (15) is provided on the outside of the rotating cap (14). The bottom end of the silicone soft sleeve (15) is fixedly connected to the sealing sleeve (2).

5. The ultra-high-pressure, environmentally friendly gas-filled cable outdoor terminal according to claim 4, characterized in that: The cross-section of the rotating cap (14) is polygonal, a support block (16) is provided between the linkage rod (13) and the rotating cap (14), and the bottom end of the support block (16) is fixedly connected to the sealing sleeve (2); An elastic strip (17) is fixedly connected to one side of the support block (16), and a linkage block (18) is fixedly installed on one end of the elastic strip (17). The linkage block (18) is fixedly connected to the linkage rod (13), and the linkage block (18) and the elastic strip (17) are both slidably connected to the sealing sleeve (2).

6. The ultra-high-pressure, environmentally friendly gas-filled cable outdoor terminal according to claim 1, characterized in that: A soft gasket ring (19) is fixedly connected to the inner wall of the sealing sleeve (2), and the cross-section of the soft gasket ring (19) is in the shape of a circular ring.

7. The ultra-high-pressure, environmentally friendly gas-filled cable outdoor terminal according to claim 1, characterized in that: A plug (20) is installed inside the air-replenishing cavity (12), the plug (20) is plugged into the terminal sleeve (1), and the plug (20) is made of rubber material.

8. The ultra-high-pressure, environmentally friendly gas-filled cable outdoor terminal according to claim 1, characterized in that: An inserting post (21) is installed inside the preset air cavity (9), and the inserting post (21) is plugged into the terminal sleeve (1).

9. The ultra-high-pressure, environmentally friendly gas-filled cable outdoor terminal according to claim 8, characterized in that: The plug post (21) is made of rubber material, and the outer wall of the plug post (21) is a smooth surface.

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