Contact finger pressure self-adaptive adjusting device of high-voltage isolating switch

Abstract

The invention discloses a high-voltage isolation switch contact finger pressure self-adaptive adjusting device, and relates to the technical field of high-voltage isolation switches, the high-voltage isolation switch contact finger pressure self-adaptive adjusting device comprises a main seat body and a support frame assembled on the top of the main seat body, and two sides of the top of the main seat body are fixedly provided with an output ceramic support column and an input ceramic support column through fixing seats; according to the self-adaptive adjusting device for the contact finger pressure of the high-voltage isolating switch, the contact finger pressure when the high-voltage isolating switch is closed can be detected through the pressure sensor, and the contact finger pressure when the high-voltage isolating switch is closed can be adjusted through the cooperation of the adjusting motor, the threaded rod and the threaded sleeve; according to the high-voltage isolating switch, power failure and equipment damage accidents caused by too small or too large contact finger pressure when the high-voltage isolating switch is closed are avoided, through cooperation of the telescopic rod and the supporting spring, limiting can be carried out when the connecting contact and the electrifying contact are connected and ascend, and the stability of the connecting contact and the electrifying contact during butt joint operation is ensured.

Description

Technical Field

[0001] This invention relates to the field of high-voltage disconnect switch technology, specifically to a high-voltage disconnect switch contact finger pressure adaptive adjustment device. Background Technology

[0002] High-voltage disconnect switches are important switching devices in the electrical systems of power plants and substations. They must be used in conjunction with high-voltage circuit breakers. Disconnect switches are suitable for indoor installations of three-phase AC 50Hz with a rated voltage of 12KV. They are used to connect, disconnect, or switch lines when high-voltage equipment is under voltage and load. Their main functions are to ensure the safety of high-voltage electrical appliances and equipment during maintenance and to isolate voltage. They cannot be used to disconnect or connect load current or interrupt short-circuit current. Traditional high-voltage disconnect switches are mostly operated manually by staff. Manual closing makes it impossible to precisely adjust the contact finger pressure. When the closing pressure is insufficient, it leads to overheating. As the contact finger pressure drops, the contact tightness between the moving and stationary contacts decreases, and the contact resistance increases significantly. When the contact finger pressure is too high, it increases the burden on the operating mechanism, accelerates wear, and may even cause damage to transmission components or malfunction. To address these issues, we have designed an adaptive adjustment device for the contact finger pressure of high-voltage disconnect switches. Summary of the Invention

[0003] To address the shortcomings of existing technologies, this invention provides an adaptive adjustment device for the contact finger pressure of a high-voltage disconnector, which solves the problem that operators cannot accurately adjust the contact finger pressure when manually closing the switch.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solution: a high-voltage disconnector switch contact finger pressure adaptive adjustment device, comprising a main body and a support frame assembled on the top of the main body; Both sides of the top of the main body are fixedly installed with output ceramic support and input ceramic support via fixed bases. The top of the output ceramic support is fixedly installed with an output base. A knife switch is movably installed on one side of the top of the output base via a mounting plate. The top of the input ceramic support is fixedly installed with an input base. A power contact is fixedly installed on one side of the top of the input base. A pressure sensor is fixedly installed on one side of the top of the knife switch via an insulating pad. A connecting contact is fixedly installed at the bottom of the pressure sensor via a conductive rod. An adjusting motor is fixedly installed on the top of the support frame, and a threaded rod is fixedly installed on the output end of the adjusting motor. A fixing frame is fixedly installed at the center of the bottom of the knife switch, and a threaded sleeve is fixedly installed on the bottom of the fixing frame.

[0005] Preferably, an insulating sleeve extending into the knife switch is fixedly installed at the center of the bottom of the insulating pad, and the insulating sleeve is fitted over the outside of the conductive rod.

[0006] Preferably, insulating rods extending into the knife switch are fixedly installed on both sides of the bottom of the insulating pad, and telescopic rods connected to the top of the connecting contact are fixedly installed on the bottom of the insulating rods. Support springs are sleeved on the outer walls of the telescopic rods.

[0007] Preferably, both sides of the connecting contact head are fixedly installed with connecting spring pieces that connect to the inner wall of the knife switch.

[0008] Preferably, an insulating seat is fixedly installed at the bottom of the support frame, and the insulating seat is fixedly connected to the top of the main body.

[0009] Preferably, an output connector is fixedly installed on the other side of the top of the output socket, and an input connector is fixedly installed on the other side of the top of the input socket.

[0010] Preferably, mounting holes are provided on both sides of the main body, the mounting holes are symmetrically distributed along the length of the main body, and there are no less than two mounting holes on each side.

[0011] Preferably, the connecting spring is integrally stamped from a high-conductivity metal material, and the body has a multi-folded elastic structure; one end of the connecting spring is fixedly connected to the side wall of the connecting contact, and the other end is attached to the inner wall of the knife switch. The elastic deformation formed by stamping adapts to the small displacement of the connecting contact, continuously provides contact pressure compensation, and maintains the stability of the electrical connection.

[0012] Preferably, the telescopic rod is a metal nested stamping structure, consisting of an inner rod and an outer tube, with the mating surfaces of the inner rod and the outer tube being precision ground; the support spring is sleeved on the outside of the telescopic rod, with its two ends respectively fitting against the bottom of the insulating rod and the top of the connecting contact. Through the stamping precision of the telescopic rod and the elastic fit of the support spring, the axial force on the connecting contact is ensured to be balanced.

[0013] Preferably, the transmission rod is an integrated metal stamping structure, with both ends fixedly connected to the pressure sensor and the connecting contact head, respectively; the insulating sleeve is fitted over the outside of the transmission rod and fits tightly against the outer surface of the transmission rod. The stamping precision of the transmission rod ensures the accuracy of force transmission and provides radial positioning for the insulating sleeve.

[0014] Preferably, the fixing frame is formed by stamping and bending of metal sheet, with the top fixedly connected to the bottom of the knife switch and the bottom welded to the threaded sleeve; the fixing frame forms a rigid support structure through stamping and bending, accurately transmitting the driving force of the adjusting motor, and in conjunction with the transmission of the threaded rod and the threaded sleeve, realizing the lever-type pressure adjustment of the knife switch.

[0015] This invention provides an adaptive adjustment device for the contact finger pressure of a high-voltage disconnector. Compared with the prior art, it has the following advantages: (1) The high-voltage disconnect switch contact finger pressure adaptive adjustment device can detect the contact finger pressure of the high-voltage disconnect switch when it is closed by a pressure sensor, and can adjust the contact finger pressure when the high-voltage disconnect switch is closed by adjusting the cooperation between the motor, the threaded rod and the threaded sleeve, thus avoiding the situation where the contact finger pressure of the high-voltage disconnect switch is too small or too large when it is closed, and greatly reducing the power outage and equipment damage accidents caused by disconnect switch problems; (2) By means of the telescopic rod and the support spring, the rising of the connecting contact and the energized contact can be limited, which ensures the stability of the connecting contact and the energized contact during the docking operation and ensures the stability of the high voltage disconnect switch during the closing operation. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0017] Figure 2 This is a schematic diagram of the knife switch opening structure of the present invention.

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the knife switch of the present invention.

[0019] Figure 4 This is a schematic diagram of the connecting contact structure of the present invention.

[0020] Figure 5 This is a schematic diagram of the cross-sectional structure of the threaded sleeve of the present invention.

[0021] In the diagram: 1. Main body; 101. Mounting hole; 2. Output ceramic support; 201. Fixing base; 202. Input ceramic support; 3. Output base; 301. Output connector; 302. Mounting plate; 303. Input base; 304. Power contact; 305. Input connector; 4. Knife switch; 401. Pressure sensor; 402. Connecting contact; 403. Connecting spring; 404. Conducting rod; 405. Insulating pad; 406. Insulating sleeve; 407. Insulating rod; 408. Telescopic rod; 409. Support spring; 5. Support frame; 501. Adjusting motor; 502. Threaded rod; 503. Threaded sleeve; 504. Fixing frame; 505. Insulating base. Detailed Implementation

[0022] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings. It should be noted that the description of these embodiments is for the purpose of helping to understand the present invention, but does not constitute a limitation of the present invention.

[0023] Furthermore, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0024] Please see the appendix Figure 1 -Appendix Figure 5 This embodiment proposes a high-voltage disconnector contact finger pressure adaptive adjustment device, including a main body 1 and a support frame 5 mounted on the top of the main body 1. Output ceramic support 2 and input ceramic support 202 are fixedly installed on both sides of the top of the main body 1 through fixed seats 201. Output seat 3 is fixedly installed on the top of the output ceramic support 2. Knife switch 4 is movably installed on one side of the top of the output seat 3 through mounting plate 302. Input seat 303 is fixedly installed on the top of the input ceramic support 202. A power contact 304 is fixedly installed on one side of the top of the input seat 303. Pressure sensor 401 is fixedly installed on one side of the top of the knife switch 4 through insulating pad 405. Connecting contact 402 is fixedly installed on the bottom of pressure sensor 401 through conduction rod 404. Adjustment motor 501 is fixedly installed on the top of the support frame 5. Threaded rod 502 is fixedly installed on the output end of adjustment motor 501. Fixed frame 504 is fixedly installed at the center of the bottom of knife switch 4. Threaded sleeve 503 is fixedly installed on the bottom of fixed frame 504.

[0025] In use, when closing the circuit is required, the drive switch 4 rotates around the fulcrum at the mounting plate 302, causing the connecting contact 402 to move towards the energized contact 304 and eventually make tight contact with it, completing the circuit connection. During this process, the pressure sensor 401 monitors the contact pressure between the connecting contact 402 and the energized contact 304 in real time. If the control system detects through the pressure sensor 401 that the contact pressure is lower than the preset safety threshold, it will start the regulating motor 501. The regulating motor 501 rotates in the forward direction, driving the threaded rod 502 to rotate. Through the threaded engagement with the threaded sleeve 503 fixedly mounted on the fixed bracket 504, an upward lifting force is generated. This force acts on the tail of the disconnector 4 through the fixing bracket 504. Since the front end of the disconnector 4 is movably connected through the mounting plate 302, according to the lever principle, this operation will generate an additional downward clamping force at the connecting contact 402 at the front end of the disconnector 4, thereby increasing the contact pressure between the connecting contact 402 and the energized contact 304, ensuring that the contact resistance is kept at a low level and preventing overheating. When the pressure returns to the normal range, the regulating motor 501 stops working. The opening process is the opposite. The regulating motor 501 can rotate in the opposite direction to loosen the connecting contact 402, making it easy to open the circuit breaker, thereby realizing the function of adaptive adjustment of the contact finger pressure when the high-voltage disconnector is closed.

[0026] Example 2 Based on Example 1, as shown in the appendix Figure 1 -Appendix Figure 5 As shown, an insulating sleeve 406 extending into the inside of the knife switch 4 is fixedly installed at the center of the bottom of the insulating pad 405, and the insulating sleeve 406 is fitted over the outside of the conductive rod 404.

[0027] In use, the insulating sleeve 406 is fully enclosed around the conductive rod 404. Its inner wall fits seamlessly with the surface of the conductive rod 404, while its outer wall maintains a safe distance from the metal components of the disconnect switch 4, achieving complete isolation between the conductive rod 404 and the metal substrate of the disconnect switch 4. The insulating sleeve 406 is made of high-strength, aging-resistant insulating material, possessing not only excellent insulation performance but also withstanding the mechanical stress during disconnect switch 4 operation and temperature and humidity changes and contamination in the operating environment of the power equipment, ensuring that its insulation performance does not degrade over long-term use. Its function is to construct a reliable insulating barrier between the conductive rod 404 and the grounded disconnect switch 4, preventing leakage between the conductive rod 404 and the metal components of the disconnect switch 4. The electrical channel prevents grounding accidents caused by insulation failure and avoids risks such as equipment tripping and power grid fluctuations caused by short circuit faults. On the other hand, it provides a stable working environment for the measurement circuit of pressure sensor 401. As a key component for sensor signal transmission and force transmission, the insulation reliability of the transmission rod 404 and the grounding terminal directly determines the insulation resistance and anti-interference capability of the measurement circuit. The insulating sleeve 406 isolates external electromagnetic interference and leakage risks, ensuring that the force signal output by pressure sensor 401 is not affected by stray current, maintaining the accuracy and stability of the signal, providing reliable data support for the operation status monitoring and fault early warning of switch 4, and ensuring the safe and stable operation of power equipment.

[0028] As attached Figure 1 -Appendix Figure 5 As shown, insulating rods 407 extending into the knife switch 4 are fixedly installed on both sides of the bottom of the insulating pad 405. Telescopic rods 408 connected to the top of the connecting contact 402 are fixedly installed on the bottom of the insulating rods 407. Supporting springs 409 are sleeved on the outer wall of the telescopic rods 408.

[0029] During operation, after the connecting contact 402 and the energized contact 304 make initial contact during the closing process, the continuous downward pressure applied by the operator will drive the telescopic rod 408 to retract along the axial direction, thereby compressing the support spring 409 sleeved on its outside. This support spring 409 is made of alloy spring steel with a high elastic coefficient. On the one hand, it provides a basic and stable contact pressure for the connecting contact 402 and the energized contact 304, ensuring a reliable low-resistance electrical connection between the two contacts and avoiding problems such as overheating and burning at the contact point due to insufficient contact pressure. On the other hand, its good elastic deformation capacity can efficiently absorb the mechanical impact force during the operation of the disconnector 4, as well as the impact force caused by grid load fluctuations and external environmental factors during equipment operation. The mechanical vibration generated by environmental vibration is converted into elastic potential energy through the expansion and contraction of the spring, thus buffering and dissipating the vibration energy. This effectively avoids instantaneous separation or poor contact of the contacts caused by vibration, ensuring the long-term stability of the electrical contact. At the same time, the insulating rod 407, which is coaxially set with the telescopic rod 408, is integrally molded with insulating material. It not only provides a stable installation reference for supporting the spring 409, but more importantly, it ensures the insulation performance between the entire elastic support structure and the metal substrate of the knife switch 4, blocking possible leakage paths and preventing the risk of insulation failure caused by conductivity of metal components such as the spring and telescopic rod 408. Together with the insulating sleeve 406, it forms a synergistic insulation protection, further improving the safety of the knife switch 4 in operation and use.

[0030] As attached Figure 1 -Appendix Figure 5 As shown, connecting springs 403 that connect to the inner wall of the knife switch 4 are fixedly installed on both sides of the connecting contact head 402.

[0031] In use, it complements the insulation and protection function of the insulating sleeve 406. The connecting spring 403 serves as the core flexible electrical connector between the knife switch 4 and the connecting contact 402. It is integrally formed from high-conductivity tin-phosphor bronze or beryllium bronze material. Its body is specially stamped to form a multi-folded or wave-shaped elastic structure, which not only retains the excellent conductivity of the metal material, but also has sufficient elastic deformation margin. During the closing operation or operation of the knife switch 4, due to the buffering of the support spring 409 and the adjustment of the telescopic rod 408, the connecting contact 402 may inevitably experience slight axial displacement or angular deflection. At this time, the connecting spring 403 can adapt to the position change of the connecting contact 402 in real time through the elastic expansion or contraction of its own folded structure, and always maintain a tight fit with the terminal of the knife switch 4 and the contact surface of the connecting contact 402, without the contact gap increasing due to displacement. This flexible adaptability not only ensures smooth transmission of operating current between the two, avoiding localized heating and energy loss caused by increased contact resistance, but also fundamentally solves the mechanical jamming and movement stagnation problems that easily occur when rigid connections are displaced. At the same time, the elastic deformation of the spring can evenly distribute the contact pressure to the entire contact surface, effectively avoiding the risk of component wear and fatigue fracture caused by localized stress concentration in rigid connections, extending the service life of the electrical connection parts of the knife switch 4, and working together with the insulating sleeve 406, support spring 409 and other structures to build a safe and reliable operating system.

[0032] As attached Figure 1 -Appendix Figure 5 As shown, an insulating seat 505 is fixedly installed at the bottom of the support frame 5, and the insulating seat 505 is fixedly connected to the top of the main body 1.

[0033] In use, the insulating base 505, as the core insulating component between the support adjustment mechanism and the main base body, is made of high-voltage grade epoxy glass cloth. This type of material not only has excellent electrical insulation properties but also high mechanical load-bearing capacity, which can stably support the support frame 5, which is equipped with the support adjustment motor 501 and the threaded rod 502. It is rigidly connected to the bottom of the support frame 5 and the top of the main base body 1 by bolt fastening. The connection surface is polished to ensure a tight fit, structurally constructing a physical isolation layer between the support frame 5 and the grounded main base body 1. During the operation of the disconnect switch 4, the main base body 1 is connected to the grounding device. A reliable connection is formed with the ground. However, the regulating mechanism, which supports the regulating motor 501 and the threaded rod 502, may generate a high potential due to line induction or component coupling. The insulating base 505 can effectively block the path of high potential conduction to the grounding main body 1 by virtue of its excellent insulation resistance characteristics, thus avoiding the formation of a leakage circuit to ground. This isolation effect not only prevents risks such as grounding faults and equipment insulation breakdown caused by high potential conduction, but also ensures that operators will not face the risk of electric shock due to the regulating mechanism being energized when performing operations such as starting and stopping the regulating device and setting parameters. This provides dual protection for the safe operation of the regulating device and the stable operation of the disconnector 4.

[0034] As attached Figure 1 -Appendix Figure 5 As shown, an output connector 301 is fixedly installed on the other side of the top of the output socket 3, and an input connector 305 is fixedly installed on the other side of the top of the input socket 303.

[0035] In use, the output connector 301 and the input connector 305 are used to connect to the external line. The circuit path is as follows: external line → input connector 305 → input socket 303 → energized contact 304 → connecting contact 402 → knife switch 4 → output socket 3 → output connector 301 → external line, which constitutes a complete current path.

[0036] As attached Figure 1 -Appendix Figure 5 As shown, mounting holes 101 are provided on both sides of the main body 1. The mounting holes 101 are symmetrically distributed along the length of the main body 1, and there are no less than two mounting holes 101 on each side.

[0037] In use, the entire disconnecting switch device can be firmly installed on the preset bracket or foundation by using bolts and other fasteners through the mounting holes 101 on both sides of the main body 1, ensuring the structural stability of the equipment under operation and short-circuit current electrodynamic action.

[0038] In this invention, the connecting spring 403 is integrally stamped from a high conductivity metal material, and the body has a multi-folded elastic structure. One end of the connecting spring 403 is fixedly connected to the side wall of the connecting contact 402, and the other end is attached to the inner wall of the knife switch 4. The elastic deformation formed by stamping adapts to the small displacement of the connecting contact 402, continuously provides contact pressure compensation, and maintains the stability of the electrical connection.

[0039] In this invention, the telescopic rod 408 is a metal nested stamping structure, consisting of an inner rod and an outer tube. The mating surfaces of the inner rod and the outer tube are precision ground. The support spring 409 is sleeved on the outside of the telescopic rod 408, with its two ends respectively fitting against the bottom of the insulating rod 407 and the top of the connecting contact 402. Through the stamping precision of the telescopic rod 408 and the elastic fit of the support spring 409, the axial force on the connecting contact 402 is balanced.

[0040] In this invention, the transmission rod 404 is an integrated metal stamping structure, with its two ends fixedly connected to the pressure sensor 401 and the connecting contact head 402, respectively; the insulating sleeve 406 is sleeved on the outside of the transmission rod 404 and fits tightly against the outer surface of the transmission rod 404. The stamping precision of the transmission rod 404 ensures the accuracy of force transmission and provides radial positioning for the insulating sleeve 406.

[0041] In this invention, the fixing frame 504 is formed by stamping and bending of metal sheet, with its top fixedly connected to the bottom of the knife switch 4 and its bottom welded to the threaded sleeve 503; the fixing frame 504 forms a rigid support structure by stamping and bending, accurately transmitting the driving force of the regulating motor 501, and cooperating with the transmission of the threaded rod 502 and the threaded sleeve 503 to realize the lever-type pressure adjustment of the knife switch 4.

[0042] Work steps: When the device is working, it first performs a closing operation, driving the knife switch 4 to rotate around the fulcrum at the mounting plate 302, which in turn drives the connecting contact 402 to move towards the energized contact 304 until the two make tight contact and complete the circuit connection. During this process, the pressure sensor 401 on the knife switch 4 monitors the contact pressure between the two contacts in real time and transmits the data to the control system. If the detected contact pressure is lower than the safety threshold, the control system immediately starts the regulating motor 501. The motor rotates in the forward direction, driving the threaded rod 502 to rotate, which generates an upward force through the threaded engagement with the threaded sleeve 503 on the fixed bracket 504. The lifting force acts on the tail of the knife switch 4, and with the help of the lever principle, a downward clamping force is formed at the connecting contact 402 at the front end of the knife switch 4, increasing the contact pressure until the pressure returns to the normal range, and the motor stops working. When opening the switch, the adjusting motor 501 rotates in the opposite direction to loosen the connecting contact 402, and then drives the knife switch 4 to rotate in the opposite direction to disengage from the energized contact 304, thus completing the opening. Throughout the process, the insulating sleeve 406, the insulating rod 407, the insulating seat 505 and other components form multiple insulation protections, and the connecting spring 403 ensures smooth current transmission, ensuring the safe and stable operation of the device.

[0043] The terms "front," "back," "left," "right," "top," and "bottom" all refer to the figures in the accompanying drawings. Figure 1 Based on.

[0044] In the description of this invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this invention.

[0045] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments.

[0046] For those skilled in the art, various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and these variations still fall within the protection scope of the present invention.

Claims

1. A high-voltage disconnector contact finger pressure adaptive adjustment device, characterized in that: Includes a main body (1) and a support frame (5) assembled on the top of the main body (1); On both sides of the top of the main body (1), an output ceramic support (2) and an input ceramic support (202) are fixedly installed via a fixed base (201). An output base (3) is fixedly installed on the top of the output ceramic support (2). A knife switch (4) is movably installed on one side of the top of the output base (3) via a mounting plate (302). An input base (303) is fixedly installed on the top of the input ceramic support (202). An energized contact (304) is fixedly installed on one side of the top of the input base (303). A pressure sensor (401) is fixedly installed on one side of the top of the knife switch (4) via an insulating pad (405). A connecting contact (402) is fixedly installed on the bottom of the pressure sensor (401) via a conductive rod (404). An adjusting motor (501) is fixedly installed on the top of the support frame (5), and a threaded rod (502) is fixedly installed on the output end of the adjusting motor (501). A fixing frame (504) is fixedly installed at the center of the bottom of the knife switch (4), and a threaded sleeve (503) is fixedly installed at the bottom of the fixing frame (504).

2. The adaptive adjustment device for the contact finger pressure of a high-voltage disconnector according to claim 1, characterized in that: An insulating sleeve (406) extending into the inside of the knife switch (4) is fixedly installed at the center of the bottom of the insulating pad (405), and the insulating sleeve (406) is fitted over the outside of the transmission rod (404).

3. The adaptive adjustment device for the contact finger pressure of a high-voltage disconnector according to claim 1, characterized in that: Insulating rods (407) extending into the knife switch (4) are fixedly installed on both sides of the bottom of the insulating pad (405). A telescopic rod (408) connected to the top of the connecting contact head (402) is fixedly installed on the bottom of the insulating rod (407). A support spring (409) is sleeved on the outer wall of the telescopic rod (408).

4. The adaptive adjustment device for the contact finger pressure of a high-voltage disconnector according to claim 3, characterized in that: Both sides of the connecting contact (402) are fixedly installed with connecting springs (403) that are connected to the inner wall of the knife switch (4).

5. The adaptive adjustment device for the contact finger pressure of a high-voltage disconnector according to claim 1, characterized in that: An insulating seat (505) is fixedly installed at the bottom of the support frame (5), and the insulating seat (505) is fixedly connected to the top of the main body (1).

6. The adaptive adjustment device for the contact finger pressure of a high-voltage disconnector according to claim 1, characterized in that: An output connector (301) is fixedly installed on the other side of the top of the output seat (3), and an input connector (305) is fixedly installed on the other side of the top of the input seat (303); mounting holes (101) are provided on both sides of the main body (1), the mounting holes (101) are symmetrically distributed along the length of the main body (1), and there are no less than two mounting holes (101) on each side.

7. The adaptive adjustment device for the contact finger pressure of a high-voltage disconnector according to claim 4, characterized in that, The connecting spring (403) is integrally stamped from a high conductivity metal material, and the body has a multi-folded elastic structure. One end of the connecting spring (403) is fixedly connected to the side wall of the connecting contact (402), and the other end is attached to the inner wall of the knife switch (4).

8. The adaptive adjustment device for the contact finger pressure of a high-voltage disconnector according to claim 3, characterized in that, The telescopic rod (408) is a metal nested stamping structure, consisting of an inner rod and an outer tube. The mating surfaces of the inner rod and the outer tube are precision ground. The support spring (409) is sleeved on the outside of the telescopic rod (408), and its two ends are respectively attached to the bottom of the insulating rod (407) and the top of the connecting contact (402).

9. The adaptive adjustment device for the contact finger pressure of a high-voltage disconnector according to claim 2, characterized in that, The transmission rod (404) is an integrated metal stamping structure, with its two ends fixedly connected to the pressure sensor (401) and the connecting contact head (402) respectively; the insulating sleeve (406) is fitted on the outside of the transmission rod (404) and is tightly fitted to the outer surface of the transmission rod (404).

10. The adaptive adjustment device for the contact finger pressure of a high-voltage disconnector according to claim 1, characterized in that, The fixing frame (504) is formed by stamping and bending of metal sheet. The top is fixedly connected to the bottom of the knife gate (4), and the bottom is welded to the threaded sleeve (503). The fixing frame (504) forms a rigid support structure by stamping and bending.

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