A manual operating mechanism for a high-voltage disconnect switch that can be quickly disassembled and installed

Abstract

This invention discloses a manually operated mechanism for a high-voltage disconnector switch that can be quickly disassembled and installed, belonging to the field of power equipment technology. It includes a mounting base, a power input module, a transmission module, and a locking module. The locking module is assembled on the mounting base and includes a built-in rotating claw assembly. The mounting base serves as a load-bearing foundation and is equipped with a positioning and connecting sealing assembly. The positioning and connecting sealing assembly includes a conical positioning pin, a quick-release bolt hole, and a sealing groove. The power input module and transmission module are both positioned by the conical positioning pin and connected to the mounting base by quick-release bolts. This invention, employing the aforementioned manually operated mechanism for a high-voltage disconnector switch that can be quickly disassembled and installed by a single person, facilitates convenient maintenance, reduces workload and power outage time, and improves equipment operational safety.

Description

Technical Field

[0001] This invention relates to the field of power equipment technology, and in particular to a manual operating mechanism for a high-voltage disconnect switch that can be quickly disassembled and installed. Background Technology

[0002] As a key piece of equipment in the power transmission and transformation process, the manual operating mechanism of a high-voltage disconnector is the core actuator for realizing the opening and closing of the contacts. In the existing technology, the operating mechanism box of the traditional high-voltage disconnector is an integrated structure with highly integrated and tightly connected internal components. The maintenance of a single module requires disassembly of the entire mechanism. It takes an average of ≥30 minutes for two people with professional tools to complete the disassembly and assembly of a single module, resulting in poor maintenance convenience, large maintenance workload, and low work efficiency. At the same time, some quick disassembly and assembly structures adopt a simple snap-fit ​​design, which is prone to loosening under outdoor vibration, temperature changes, and other conditions. The axial tensile force bearing capacity is ≤200N, which cannot meet the requirements of high load and high reliability of high-voltage equipment.

[0003] Existing operating mechanisms also suffer from weak sealing protection and high maintenance costs. When used outdoors, rainwater and sand can easily penetrate the interior, causing parts to rust. Furthermore, damage to some parts requires the replacement of the entire mechanism. The annual maintenance cost accounts for more than 15% of the equipment purchase cost. Therefore, there is an urgent need for a manual operating mechanism that balances disassembly and assembly efficiency, connection reliability, and ease of maintenance. Summary of the Invention

[0004] The purpose of this invention is to provide a manual operating mechanism for a high-voltage disconnect switch that can be quickly disassembled and assembled. Through modular independent design, precise positioning connection structure and mechanical anti-loosening design, it can achieve the technical effect of a single person disassembling and assembling a complete single module in 3-5 minutes without professional tools, and in ≤2 minutes for emergency disassembly and assembly, while also being easy to maintain. This reduces the physical exertion of operators by more than 70%, reduces power outage maintenance time by more than 85%, and improves the operational safety of equipment under complex outdoor working conditions.

[0005] To achieve the above objectives, the present invention provides a quickly detachable manual operating mechanism for a high-voltage disconnector, comprising a mounting base, a power input module, a transmission module, and a locking module. The locking module is detachably mounted on the mounting base and includes a rotary claw assembly disposed on the outside of the transmission module to mechanically prevent loosening. The mounting base serves as a load-bearing foundation and is equipped with a positioning and sealing assembly. Both the power input module and the transmission module are connected to the mounting base via the positioning and sealing assembly. When assembling or disassembling any module, the entire mechanism can be disassembled without dismantling the overall mechanism housing, enabling independent assembly and disassembly of individual modules.

[0006] Preferably, the mounting base is integrally formed from high-strength cast steel, and the bottom is provided with four waist-shaped fixing holes adapted to M16 expansion bolts, which facilitates fine-tuning of the installation position, with a fine-tuning range of ±10mm.

[0007] Preferably, the number of the positioning connection sealing components is two sets, symmetrically arranged on the top left and right sides of the mounting base, including a tapered positioning pin, quick-release bolt holes and an annular sealing groove. The annular sealing groove is provided with a fluororubber sealing gasket. The annular sealing groove and the fluororubber sealing gasket are interference-fitted with an interference amount of 0.2mm. The set of tapered locating pins consists of two pins with a taper of 1:10. The set of quick-release bolt holes consists of four holes, which are evenly distributed circumferentially along the circumferential direction of the two tapered locating pins.

[0008] Furthermore, the positioning and sealing assembly is a four-fold combination structure consisting of a conical positioning pin, a wing-shaped quick-release bolt, a fluororubber sealing washer, and an elastic washer, achieving four functions: positioning, connection, sealing, and anti-loosening.

[0009] Preferably, the housing of the power input module is made of ADC12 aluminum alloy die casting, and the internal structure integrates a two-stage gear speed-increasing mechanism with a transmission ratio of 2:1 between the driving gear and the driven gear; the front end of the power input module is provided with a splined output shaft and is fitted with an aging-resistant rubber sealing sleeve on the outside; The power input module is equipped with a foldable and detachable operating handle on its side. The operating handle is made of glass fiber reinforced nylon and has an unfolded length of 350mm. When folded, it is stored in a reserved slot on the side of the power input module to avoid damage from outdoor collisions.

[0010] Preferably, the power input module has a first conical positioning groove at the bottom and a first bolt connecting lug integrally formed on the outside of the power input module. The first conical positioning groove has two sections and matches the conical positioning pin. The first bolt connecting lug has four sections and matches the quick-release bolt holes. When the power input module is connected to the mounting base, the first conical positioning groove and the conical positioning pin are matched for positioning, with a positioning coaxiality of ≤0.03mm. After the wing-shaped quick-release bolt is passed through the anti-loosening nut, the first bolt connecting lug, the fluororubber sealing washer, and the elastic washer in sequence, it is connected to the quick-release bolt hole on the mounting base by thread engagement. The operating handle and the spline output shaft are connected by a rectangular spline, with a spline engagement clearance of ≤0.05mm to ensure transmission stability.

[0011] Preferably, the transmission module consists of a universal drive shaft, a buffer joint, and connecting flanges at both ends; the universal drive shaft is a high-strength aluminum alloy rod with a diameter of 25mm, and the surface is anodized to a hardness of HV120 or higher; the input and output ends of the universal drive shaft are connected to the buffer joint through a universal joint, which can realize power transmission at an angle of 0° to 90°. The buffer joint has a built-in polyurethane elastic buffer with a compression of 0~5mm, which can offset the impact load when closing the circuit. One end of the buffer joint is connected to the operating end of the high-voltage disconnect switch through a connecting flange, and the other end is connected to the spline output shaft through a connecting flange.

[0012] Preferably, the bottom of the transmission module is provided with a second conical positioning groove, and the outer side of the transmission module is integrally provided with a second bolt connecting lug. There are two second conical positioning grooves, which match the conical positioning pins; there are four second bolt connecting lugs, which correspond to and match the quick-release bolt holes. When the transmission module is connected to the mounting base, the second conical positioning groove and the conical positioning pin are positioned and matched. After the wing-shaped quick-release bolt passes through the anti-loosening nut, the second bolt connecting lug, the fluororubber sealing washer, and the elastic washer in sequence, it is connected to the quick-release bolt hole on the mounting base through thread engagement.

[0013] Preferably, the locking module is an independent integrated cast steel structure, and the rotary chuck assembly includes three circumferentially distributed chucks, i.e., a three-jaw chuck. The output end of the universal drive shaft passes through the center of the three circumferentially distributed chucks. Under the rated load of the high-voltage disconnecting switch opening and closing, it can withstand an axial tensile force of ≥500N.

[0014] Furthermore, the detailed structure and working principle of the locking module and rotary gripper assembly are designed as follows: Overall Structure: The locking module is a ZG200-400 independent integrated cast steel structure, including a base, a rotary adjusting screw, a lead screw and nut pair, a guide groove, and a rotary chuck assembly. The rotary chuck assembly is a three-jaw chuck structure, containing three circumferentially distributed 120° chucks. The chuck body is made of 45# steel with heat treatment, a hardness of HRC35-40, and the inner side is machined with serrated anti-slip teeth with a tooth pitch of 2mm. The output end of the universal drive shaft passes through the center of the three chucks. The base and the mounting base are detachably connected by two M14 hand-tightening bolts.

[0015] Working principle: The adjusting screw and lead screw nut pair of the locking module are threaded together. One end of the adjusting screw extends to the outside of the locking module, and the other end is linked with the lead screw nut pair of the three jaws. When the adjusting screw is rotated clockwise, the lead screw nut pair converts the rotational motion into linear motion, driving the three jaws to perform radial synchronous contraction motion along the guide groove of the base. The anti-slip teeth of the jaws fit tightly against the outer wall of the universal drive shaft, realizing the mechanical clamping of the universal drive shaft. When the adjusting screw is rotated counterclockwise, the three jaws perform radial synchronous opening motion along the guide groove, releasing the clamping restriction on the universal drive shaft and completing the unlocking.

[0016] Anti-loosening mechanism: First, the mechanical clamping of the three claws and the universal drive shaft forms static friction, which counteracts the axial movement and circumferential rotation of the universal drive shaft during the opening and closing process; second, the anti-slip teeth of the claws can increase the contact friction and prevent slippage; third, under the rated load of the high-voltage disconnecting switch opening and closing, this structure can withstand an axial tensile force of ≥500N, which is more than 2.5 times that of the traditional snap-fit ​​structure. Under outdoor vibration (frequency 5-50Hz, amplitude 0.5mm) and temperature alternation (-40℃~70℃) conditions, there is no loosening or jamming, achieving long-term mechanical anti-loosening effect.

[0017] Preferably, each module housing adopts a quick-release cover design. The cover is double-fixed by buckles and bolts, which can be quickly opened to inspect internal components without disassembling the entire module.

[0018] Preferably, the wing-shaped quick-release bolt can be replaced with a press-type quick-release pin, which is adapted to the quick-release bolt hole of the mounting base. The head of the pin is provided with an elastic positioning buckle, and the elastic positioning buckle has a built-in anti-drop-off limiting protrusion. The anti-drop-off limiting protrusion is adapted to the limiting groove on the inner wall of the quick-release bolt hole, which is used to achieve positioning and locking under high-pressure vibration conditions, and at the same time shorten the disassembly and assembly time in emergency maintenance scenarios.

[0019] Therefore, the present invention employs the aforementioned quick-disassembly and detachable manual operating mechanism for a high-voltage disconnector, and the technical effects are as follows: 1) Significantly improved ease of disassembly and assembly: Each module is independently designed and uses wing-shaped quick-release bolts and conical positioning structure to achieve quick disassembly and assembly by a single person without disassembling the overall mechanism box or using professional tools. The disassembly and assembly time of a single module is ≤5 minutes, which greatly reduces the workload and reduces the time spent on power outage maintenance. 2) High connection reliability: The conical positioning structure achieves precise centering and firm fit. The quadruple positioning connection sealing component, combined with the rotary three-jaw anti-loosening structure, can withstand ≥500N axial tensile force. It will not loosen or jam under complex working conditions such as outdoor vibration and temperature changes, meeting the high load and high reliability requirements of high voltage equipment. 3) Excellent sealing and protection performance: The fluororubber sealing gasket is interference-fitted with the annular sealing groove, and together with the module cover sealing strip, it can effectively prevent outdoor rainwater, dust and other impurities from entering the module, protect the internal components, extend the service life of the mechanism, and adapt to harsh outdoor environments; 4) Convenient operation and strong adaptability: The folding operating handle is ergonomically designed, easy to store, and avoids collision damage; the wing-shaped quick-release bolt can be replaced with a push-button quick-release pin, which is suitable for emergency maintenance scenarios; the waist-shaped fixing hole facilitates fine adjustment of the installation position, and the cross universal joint can adapt to multi-angle power transmission, improving the adaptability of installation and operation. 5) Low maintenance cost: Each module can be inspected and replaced independently without replacing the entire mechanism, reducing component wear and maintenance costs. At the same time, the quick-release cover design facilitates the inspection of internal components and improves maintenance convenience.

[0020] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of an embodiment of a manual operating mechanism for a high-voltage disconnect switch that can be quickly disassembled and assembled according to the present invention. Figure 2 This is a schematic diagram of the mounting base of an embodiment of a high-voltage disconnector manual operating mechanism according to the present invention; Figure 3 This is a partial structural cross-sectional view of an embodiment of a manually operated mechanism for a high-voltage disconnect switch that can be quickly disassembled and assembled according to the present invention; Figure 4 This is a top view of an embodiment of a manually operated mechanism for a high-voltage disconnect switch that can be quickly disassembled and assembled according to the present invention; Figure 5 This is the present invention. Figure 4 Sectional view at point AA.

[0022] Figure Labels 1. Mounting base; 2. Transmission module; 3. Power input module; 4. Reserved slot; 5. First bolt connection lug; 6. Second bolt connection lug; 7. Claw; 8. Tapered locating pin; 9. Quick-release bolt hole; 10. Annular sealing groove; 11. First tapered locating groove; 12. Second tapered locating groove; 13. Universal drive shaft. Detailed Implementation

[0023] The technical solution of the present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] Unless otherwise defined, the technical or scientific terms used in this invention shall have the ordinary meaning understood by one of ordinary skill in the art to which this invention pertains. The terms "first," "second," and similar terms used in this invention do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses and is identical to the element or object listed following the word, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0025] Example 1 like Figure 1 As shown in the figure, this embodiment provides a manual operating mechanism for a high-voltage disconnect switch that can be quickly disassembled and assembled. The specific structure is as follows: Mounting base 1 (e.g.) Figure 2 As shown): It is made of ZG230-450 high-strength cast steel in one piece, with overall dimensions of 400mm×300mm×80mm. There are four symmetrical waist-shaped fixing holes at the four corners of the bottom. The size of the waist-shaped fixing holes is 30mm×18mm, which are compatible with M16 expansion bolts. They are used to fix the mounting base 1 to the substation equipment bracket. The waist-shaped structure facilitates fine-tuning of the position during installation. After installation, the expansion bolts are tightened to ensure a firm installation.

[0026] Positioning and connecting sealing components: Two sets are symmetrically distributed on the left and right sides of the top of the mounting base 1. Each set includes two tapered positioning pins 8 (taper 1:10, hole diameter 18mm) and four quick-release bolt holes 9 (hole diameter 14mm). The four quick-release bolt holes 9 are evenly distributed along the circumference (diameter 120mm) of the two tapered positioning pins 8. The annular sealing groove 10 is Φ150mm×5mm in size and has a built-in fluororubber sealing gasket (Φ150mm×4.8mm). The interference fit achieves the seal. Each set is equipped with two tapered positioning pins 8 (Φ18mm, taper 1:10), four wing-shaped quick-release bolts (M14×30mm), and four elastic washers (Φ14mm).

[0027] Power input module 3: The outer shell is made of ADC12 aluminum alloy die casting, with overall dimensions of 250mm×180mm×120mm. Internally, it integrates a two-stage spur gear speed-increasing mechanism, with 18 teeth on the driving gear and 36 teeth on the driven gear, a transmission ratio of 2:1, a gear module of 2.5, and a tooth width of 20mm. The surface is carburized and quenched (HRC58-62). The front spline output shaft is a rectangular spline (8×32×36), with an aging-resistant rubber sealing sleeve on the outside. A folding operating handle is mounted on the side, made of glass fiber reinforced nylon, with an unfolded length of 350mm and a folded length of 180mm, stored within the side pre-reserved slot 4 (dimensions 185mm×30mm×20mm). Figure 3 As shown, the bottom of the power input module 3 is provided with two first conical positioning grooves 11 (matching the conical positioning pins 8), and the outer side is provided with four first bolt connecting ears 5 (thickness 12mm, hole diameter 14mm).

[0028] Transmission Module 2: The universal drive shaft 13 is a Φ25mm 6061-T6 aluminum alloy rod, 300mm in length, with an anodized surface treatment; both ends are connected to buffer joints via universal joints (45# steel heat-treated), and the buffer joints have built-in polyurethane elastic buffers (compression amount 0-5mm); the flanges at both ends are Φ100mm×10mm in size, and are connected to the spline output shaft and the high-voltage disconnect switch operating end respectively via M12 stainless steel bolts; the bottom is provided with two second conical positioning grooves 12, and the outer side is integrally provided with four second bolt connecting ears 6 (with the same structure as the first bolt connecting ears 5).

[0029] Locking module (such as) Figures 4-5 (As shown): ZG200-400 cast steel structure, including a rotary chuck assembly, specifically a three-jaw chuck (the top of the locking module has an adjustment bolt hole, and the clamping and loosening action of the three chucks 7 can be adjusted by inserting the adjustment screw, the adjustment process is not described in detail), the inner side of the chuck 7 has anti-slip teeth, the center of the three chucks passes through the output end of the universal drive shaft 13, and can withstand ≥500N axial tension; it is connected to the mounting base 1 by two M14 hand-tightening bolts to achieve detachable assembly.

[0030] Auxiliary structure: The quick-release cover of each module shell is double fixed by buckle + wing bolt, and the inner side of the cover is equipped with a sealing strip; the wing bolt can be replaced with a press-type quick-release pin, which is compatible with quick-install bolt hole 9, and the head elastic positioning buckle realizes quick locking and unlocking.

[0031] The assembly process is as follows: Step 1: Fix the mounting base 1. Use four M16 expansion bolts to pass through the waist-shaped fixing holes and fix the mounting base 1 to the preset position of the equipment bracket. Fine-tune the position of the mounting base 1 to ensure that the installation is flat and firm. Tighten the expansion bolts and take anti-loosening measures. The installation levelness is ≤0.5mm / m. Step 2: Assemble the power input module 3. Place the first conical positioning groove 11 at the bottom of the power input module 3 on the conical positioning pin 8 on the left side of the mounting base 1, and press down to make the module fit against the mounting base 1. Pass the wing-shaped quick-release bolt through the anti-loosening nut, the first bolt connecting lug 5, the fluororubber sealing washer, and the elastic washer in sequence, and thread it into the quick-release bolt hole 9. Manually tighten the wing-shaped quick-release bolt to complete the fixing of the power input module 3. Unfold the operating handle and connect it to the spline output shaft through a rectangular spline, ensuring that the fit clearance is ≤0.05mm. Step 3: Assemble the transmission module 2 using the same method as the power input module 3. Connect the second conical positioning groove 12 at the bottom of the transmission module 2 to the conical positioning pin 8 on the right side of the mounting base 1. Manually tighten the wing-shaped quick-release bolts to fix the transmission module 2. Connect one end of the transmission module 2 to the spline output shaft of the power input module 3 and tighten the M12 stainless steel bolts. Connect the other end of the transmission module 2 to the high-voltage disconnect switch operating terminal, leaving room for subsequent fine-tuning. Step 4: Locking module assembly. Place the locking module on the mounting base 1, align it with the output end of the universal drive shaft 13, manually tighten the two M14 bolts to fix the locking module, adjust the position so that the three-jaw chuck wraps around the universal drive shaft 13, rotate the three-jaw chuck so that the jaws 7 fit against the universal drive shaft 13 to achieve mechanical anti-loosening. Step 5: Debugging and sealing check. Unfold the operating handle and rotate it to test whether the power transmission is smooth and without abnormal noise. Check whether the connection of each module is firm, whether the locking module is reliable, and whether the fluororubber sealing gasket is tightly fitted and not loose. After debugging, tighten the connecting bolts between the transmission module 2 and the high-voltage disconnect switch operating end, and fold the operating handle into the reserved slot 4. The assembly time of the entire mechanism by a single person is ≤20 minutes.

[0032] Disassembly and assembly process (taking the inspection and disassembly of power input module 3 as an example): Disassembly steps: 1. Fold and store the operating handle. If the operating handle is tightly connected to the spline output shaft, the operating handle can be gently pulled out. 2. Manually loosen the four wing-shaped quick-release bolts of the power input module 3, and remove the lock nut, wing-shaped quick-release bolts, elastic washer, and fluororubber sealing washer; 3. Lift the power input module 3 upwards to disengage the first conical positioning groove 11 from the conical positioning pin 8, and the power input module 3 can be removed as a whole without disassembling other modules. The average disassembly time for a single person is 3 minutes.

[0033] Installation steps: Following the steps in step 2 of the assembly process above, reconnect and fix the power input module 3 after the repair is completed. After debugging, the disassembly and assembly can be completed. The entire disassembly and assembly process can be operated by one person and takes no more than 5 minutes. If a push-type quick-release pin is used to replace the wing-shaped quick-release bolt, the total disassembly and assembly time for one person is ≤2 minutes.

[0034] The following precautions should be taken when using this manual operating mechanism: 1. Before assembly, check whether there are stains or damage on the surface of each component. The tapered locating pin 8 and the locating groove, as well as the bolts and bolt holes, must be clean and free of debris to ensure a tight fit. 2. Fluororubber gaskets need to be inspected and replaced regularly to avoid aging and failure, which would lead to a decline in sealing performance; 3. During disassembly and assembly, handle each module with care to avoid collisions and scratches to the parts, especially precision components such as the spline output shaft and universal drive shaft 13; 4. After each maintenance, ensure that all modules are securely connected and locked reliably, and that they are debugged correctly before putting them into use; 5. When used outdoors, it is necessary to regularly check the anti-loosening condition of each bolt connection and tighten any loose bolts in time to ensure the safe operation of the mechanism.

[0035] The high-voltage disconnect switch manual operating mechanism of the present invention, which can be quickly disassembled and installed, has achieved the following quantitative technical effects after being tested by a third-party testing agency and on-site trials, and has formed a significant advantage compared with existing traditional patented technologies, as shown in Table 1; Table 1. Comparison of the performance of the present invention with existing technologies.

[0036] In summary, the advantages of this invention are as follows: 1) Optimization of disassembly and assembly efficiency and work intensity: Each module is independently designed. Through the combination of conical positioning and quick-release connection structure, a single person can complete the disassembly and assembly of a single module without professional tools. The average time for regular disassembly and assembly is 3.1 minutes, and the time for emergency disassembly and assembly is ≤2 minutes. Compared with the traditional integrated mechanism, the disassembly and assembly efficiency is improved by more than 85%, and the physical exertion of operators is reduced by more than 70%, which greatly reduces the power system outage maintenance time and improves the reliability of power supply. 2) Improved reliability of connection and anti-loosening: The conical positioning structure achieves precise centering (coaxiality ≤ 0.03mm) and firm fit. The quadruple positioning connection sealing component, combined with the rotary three-jaw mechanical anti-loosening structure, has an axial tensile load capacity of ≥ 500N. Under complex working conditions such as outdoor vibration and temperature fluctuations, there is no loosening or jamming, which meets the high load and high reliability requirements of high-voltage equipment. 3) Excellent sealing and protection performance: The fluororubber sealing gasket is interference-fitted with the annular sealing groove (interference amount 0.2mm), and together with the foamed silicone sealing strip of the module cover, the equipment reaches the IP65 protection level, which can effectively prevent outdoor rainwater, sand and dust and other impurities from entering the module, protect the internal components, reduce the corrosion rate of components by more than 90%, and extend the service life of the mechanism to more than 15 years. 4) Strong adaptability to installation and operation: The folding operating handle is ergonomically designed and easy to store to avoid collision damage; the wing-shaped quick-release bolts and push-button quick-release pins can be replaced as needed to adapt to both routine maintenance and emergency maintenance scenarios; the waist-shaped fixing holes of the mounting base allow for ±10mm position fine adjustment, and the cross universal joint can achieve multi-angle power transmission from 0° to 90°, improving the adaptability of equipment installation and operation; 5) Significantly reduced maintenance costs: Each module can be inspected and replaced independently without the need to replace the entire mechanism. The average annual maintenance cost accounts for less than 5% of the equipment purchase cost. The quick-release cover design enables internal components to be inspected in ≤2 minutes, reducing component wear and further reducing the maintenance cost throughout the equipment's life cycle.

[0037] Therefore, the present invention adopts the above-mentioned manual operating mechanism for a high-voltage disconnect switch that can be quickly disassembled and assembled, achieving the technical effects of quick disassembly and assembly by a single person and convenient maintenance, reducing work intensity and power outage time, and improving equipment operation safety.

[0038] It is worth noting that all the contents not described in detail in this invention are existing technologies and are well known to those skilled in the art.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can still be made to the technical solutions of the present invention, and these modifications or equivalent substitutions cannot cause the modified technical solutions to deviate from the spirit and scope of the technical solutions of the present invention.

Claims

1. A manual operating mechanism for a high-voltage disconnect switch that can be quickly disassembled and assembled, characterized in that: It includes a mounting base, a power input module, a transmission module, and a locking module; the locking module is assembled on the mounting base and includes a built-in rotary claw assembly; the mounting base is a load-bearing foundation and is provided with a positioning connection sealing assembly, which includes a conical positioning pin, a quick-release bolt hole, and a sealing groove; the power input module and the transmission module are both positioned by the conical positioning pin and are connected to the mounting base.

2. The manual operating mechanism for a high-voltage disconnect switch that can be quickly disassembled and assembled according to claim 1, characterized in that: The mounting base is made of high-strength cast steel in one piece, and the bottom is provided with four waist-shaped fixing holes for M16 expansion bolts.

3. The manual operating mechanism for a high-voltage disconnect switch that can be quickly disassembled and assembled according to claim 2, characterized in that: The number of the positioning connection sealing components is two sets, and the sealing groove is an annular sealing groove with a fluororubber sealing gasket inside. The annular sealing groove and the fluororubber sealing gasket are interference fit. The set of tapered locating pins consists of two pins with a taper of 1:

10. The set of quick-release bolt holes consists of four holes, which are evenly distributed circumferentially along the circumferential direction of the two tapered locating pins. The positioning connection sealing assembly is a four-fold combination structure of tapered locating pins, wing-shaped quick-release bolts, fluororubber sealing gaskets, and elastic gaskets.

4. The manual operating mechanism for a high-voltage disconnector that can be quickly disassembled and assembled according to claim 3, characterized in that: The power input module housing is made of die-cast aluminum alloy, and internally integrates a two-stage gear speed-increasing mechanism with a transmission ratio of 2:1 between the driving gear and the driven gear. The power input module has a splined output shaft at the front end and is fitted with a sealing sleeve on the outside. The power input module is equipped with a foldable and detachable operating handle on its side. The operating handle is made of glass fiber reinforced nylon and has an unfolded length of 350mm. When folded, it is stored in a reserved slot on the side of the power input module.

5. The manual operating mechanism for a high-voltage disconnect switch that can be quickly disassembled and assembled according to claim 4, characterized in that: The bottom of the power input module is provided with a first conical positioning groove, and the outer side of the power input module is integrally provided with a first bolt connecting lug. There are two first conical positioning grooves, which match the conical positioning pins; there are four first bolt connecting lugs, which correspond to and match the quick-release bolt holes. When the power input module is connected to the mounting base, the wing-shaped quick-release bolt is passed through the anti-loosening nut, the first bolt connecting lug, the fluororubber sealing washer, and the elastic washer in sequence, and then connected to the quick-release bolt hole on the mounting base by thread engagement. The operating handle is connected to the spline output shaft by a rectangular spline, and the spline engagement clearance is ≤0.05mm.

6. The manual operating mechanism for a high-voltage disconnector that can be quickly disassembled and assembled according to claim 5, characterized in that: The transmission module consists of a universal drive shaft, a buffer joint, and connecting flanges at both ends; the universal drive shaft is a high-strength aluminum alloy rod with a diameter of 25mm and an anodized surface. The input and output ends of the universal drive shaft are connected to the buffer joint through a cross universal joint. The buffer joint has a built-in polyurethane elastic buffer element with a compression of 0~5mm. One end of the buffer joint is connected to the operating end of the high-voltage disconnect switch through a connecting flange, and the other end is connected to the spline output shaft through a connecting flange.

7. The manual operating mechanism for a high-voltage disconnector that can be quickly disassembled and assembled according to claim 6, characterized in that: The bottom of the transmission module is provided with a second conical positioning groove, and the outer side of the transmission module is integrally provided with a second bolt connecting lug. There are two second conical positioning grooves, which match the conical positioning pins; there are four second bolt connecting lugs, which correspond to and match the quick-release bolt holes. When the transmission module is connected to the mounting base, the wing-shaped quick-release bolt is passed through the lock nut, the second bolt connecting lug, the fluororubber sealing washer, and the elastic washer in sequence, and then connected to the threaded quick-release bolt hole on the mounting base.

8. The manual operating mechanism for a high-voltage disconnector switch that can be quickly disassembled and assembled according to claim 7, characterized in that, The locking module is an independent integrated cast steel structure, and the rotary chuck assembly is a three-jaw chuck structure, including a base, a lead screw and nut pair and three circumferentially distributed chucks. The output end of the universal drive shaft passes through the center of the three chucks, and the inner side of the chucks is machined with serrated anti-slip teeth. The locking module can withstand an axial tensile force of ≥500N.

9. The manual operating mechanism for a high-voltage disconnector switch that can be quickly disassembled and assembled according to claim 1, characterized in that, Each module's outer casing adopts a quick-release cover design, and the cover is double-fixed by clips and bolts.

10. The manual operating mechanism for a high-voltage disconnector switch that can be quickly disassembled and installed according to claim 5, characterized in that, The wing-shaped quick-release bolt can be replaced with a push-button quick-release pin, which is adapted to the quick-release bolt hole of the mounting base. The head of the pin is provided with an elastic positioning buckle, and the elastic positioning buckle has a built-in anti-drop-off limiting protrusion. The anti-drop-off limiting protrusion is adapted to the limiting groove on the inner wall of the quick-release bolt hole, which is used to achieve positioning and locking under high-pressure vibration conditions.

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