Isolation switch connecting shaft fastening device and isolation switch

Abstract

The invention provides an isolating switch connecting shaft fastening device and an isolating switch, the isolating switch connecting shaft fastening device comprises a first holding assembly, a second holding assembly and a clamping mechanism, the first holding assembly is connected with the clamping mechanism, and a first holding space for a vertical connecting rod to penetrate through is defined between the first holding assembly and the clamping mechanism; the first holding assembly is connected with the clamping mechanism, the distance between the first holding assembly and the clamping mechanism is adjustably arranged, the second holding assembly is connected with the clamping mechanism, a second holding space for an output shaft of the operating mechanism to penetrate through is defined between the second holding assembly and the clamping mechanism, and the distance between the second holding assembly and the clamping mechanism is adjustably arranged. Therefore, under the mutual cooperation of the clasping assembly and the clamping mechanism, the transmission connection requirement of the output shaft of the operating mechanism and the vertical connecting rod is met, and the mechanical anti-skid requirement of transmission connection is met at the same time, so as to ensure that the disconnecting switch is closed and opened in place; however, in the invention, on-site drilling and punching and pin penetration are not needed, so that the working efficiency of on-site installation is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of isolating switch transmission, in particular to an isolating switch coupling fastening device and an isolating switch. Background Art

[0002] The transmission connection between the output shaft of the isolating switch operating mechanism and the transmission vertical connecting rod of the isolating switch is a very important link in the installation and commissioning process of the isolating switch product; since the isolating switch has an opening position, a closing position and a closing and opening movement process, and also requires starting and ending position matching and adjustment, the mechanical transmission connection between the isolating switch vertical connecting rod and the output shaft of the operating mechanism cannot be a simple docking at any angle, nor can it be a fixed and non-adjustable starting and ending angle docking. Therefore, the transmission connection between the output shaft of the isolating switch operating mechanism and the vertical connecting rod is required to be docked at any angle in the initial state and have adjustable starting angles, that is, the transmission connection can only be in the form of circular friction.

[0003] However, after the docking adjustment is completed, the connection between the two needs to be very firm and reliable, and the transmission will not slip. This requires the addition of mechanical anti-skid measures on the basis of the circular friction transmission. Similar circular shaft transmissions in the prior art all need to be reinforced by drilling positioning holes and pinning after the adjustment. The on-site installation workload is large and the implementation is difficult. At the same time, it leads to lax construction and many cases of missed drilling and pinning, which leaves a hidden danger of slipping of the isolation switch transmission after commissioning.

[0004] In view of this, it is necessary to propose an isolating switch-related shaft fastening device and an isolating switch to solve or at least alleviate the above-mentioned defects. Summary of the invention

[0005] The main purpose of the present invention is to provide an isolating switch shaft fastening device to solve the problems of large on-site installation workload and easy slipping in the prior art round shaft transmission reinforcement method.

[0006] To achieve the above-mentioned purpose, the present invention provides an isolation switch shaft fastening device, comprising a first clamping component, a second clamping component and a clamping mechanism; wherein:

[0007] The first clamping assembly is connected to the clamping mechanism, the first clamping assembly and the clamping mechanism are enclosed to form a first clamping space for the vertical connecting rod to pass through, and the distance between the first clamping assembly and the clamping mechanism is adjustable;

[0008] The second clamping assembly is connected to the clamping mechanism, and the second clamping assembly and the clamping mechanism together form a second clamping space for the output shaft of the operating mechanism to pass through, and the distance between the second clamping assembly and the clamping mechanism is adjustable.

[0009] Preferably, the clamping mechanism includes a transmission clamping plate and a transmission pad, the first clamping component and the transmission clamping plate are connected to enclose and form the first clamping space; the second clamping component and the transmission clamping plate are connected, and the transmission pad is arranged between the second clamping component and the transmission clamping plate, and the second clamping component and the transmission pad are enclosed to form the second clamping space.

[0010] Preferably, the first clamping assembly includes a plurality of first U-shaped screws and first fastening nuts arranged at vertical intervals, and the transmission clamp is provided with a first connecting hole for the first U-shaped screw to pass through, and the connecting end of the first U-shaped screw extends out of the first connecting hole and is fixedly connected to the transmission clamp through the first fastening nut.

[0011] Preferably, the second clamping assembly includes a plurality of second U-shaped screws and second fastening nuts arranged at vertical intervals, the transmission pad is provided with a second connecting hole for the second U-shaped screw to pass through, the transmission clamp is provided with a third connecting hole arranged one-to-one corresponding to the second connecting hole, the connecting end of the second U-shaped screw extends out of the third connecting hole and is fixedly connected to the transmission clamp through the second fastening nut.

[0012] Preferably, the clamping mechanism also includes a plurality of embedded card blocks, each of which is provided with a through hole for the first U-shaped screw to pass through, the through hole being arranged corresponding to the first connecting hole, the embedded card block being fixed on the transmission clamp plate, and the embedded card block being used to be arranged between the vertical connecting rod and the transmission clamp plate.

[0013] Preferably, the embedded card block is arranged obliquely on a side close to the vertical connecting rod.

[0014] Preferably, the width of the first U-shaped screw is 55 mm to 57 mm.

[0015] Preferably, the width of the second U-shaped screw is 45 mm to 47 mm.

[0016] Preferably, the number of the first U-shaped screws is three, and the three first U-shaped screws are arranged at intervals in the vertical direction.

[0017] The present application also provides an isolating switch, including an isolating switch body, the isolating switch body including a vertical connecting rod and an operating mechanism output shaft, the vertical connecting rod being transmission-connected to the operating mechanism output shaft, and also including the isolating switch associated shaft fastening device as described above, the vertical connecting rod passing through the first clamping space of the isolating switch associated shaft fastening device, and the vertical connecting rod is respectively abutted against the first clamping assembly and the clamping mechanism, the operating mechanism output shaft passes through the second clamping space of the isolating switch associated shaft fastening device, and the operating mechanism output shaft is respectively abutted against the second clamping assembly and the clamping mechanism.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The present invention provides a kind of isolating switch coupling fastening device and isolating switch, including a first clamping component, a second clamping component and a clamping mechanism, the first clamping component is connected to the clamping mechanism, the first clamping component and the clamping mechanism enclose a first clamping space for the vertical connecting rod to pass through, and the spacing between the first clamping component and the clamping mechanism is adjustable, the second clamping component is connected to the clamping mechanism, the second clamping component and the clamping mechanism enclose a second clamping space for the output shaft of the operating mechanism to pass through, and the spacing between the second clamping component and the clamping mechanism is adjustable. In this way, under the mutual cooperation of the clamping component and the clamping mechanism, the transmission connection requirements of the output shaft of the operating mechanism and the vertical connecting rod are met, and the mechanical anti-skid requirements of the transmission connection are also met at the same time, so as to ensure that the isolating switch is closed and opened in place; and the present application does not require on-site drilling and pinning, which greatly improves the work efficiency of on-site installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0021] Figure 1 A three-dimensional schematic diagram of an application scenario of the overall structure in one embodiment of the present invention;

[0022] Figure 2 An exploded schematic diagram of the overall structure of an embodiment of the present invention;

[0023] Figure 3 A side view schematic diagram of the overall structure of an embodiment of the present invention;

[0024] Figure 4 for Figure 3 Schematic diagram of the cross section along the AA direction;

[0025] Figure 5 for Figure 3 Schematic diagram of the cross section along the BB direction.

[0026] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings in conjunction with the embodiments.

[0027] Description of Figure Numbers:

[0028] 10. First clamping assembly; 110. First U-shaped screw; 120. First fastening nut; 20. Second clamping assembly; 210. Second U-shaped screw; 220. Second fastening nut; 30. Clamping mechanism; 310. Transmission clamp plate; 320. Transmission pad; 330. Embedded block; 40. Disconnector body; 410. Vertical connecting rod; 420. Output shaft of operating mechanism. DETAILED DESCRIPTION

[0029] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0031] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0032] In addition, the descriptions of "first", "second", etc. in the present invention are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0033] Please refer to the attached Figure 1-5In one embodiment of the present invention, a shaft-fastening device for isolating switches includes a first clamping assembly 10, a second clamping assembly 20, and a clamping mechanism 30. First of all, it should be noted that, unlike similar round shaft transmissions in the prior art, which all need to be reinforced by drilling positioning holes and pinning after adjustment, the on-site installation workload is large and difficult to implement. At the same time, it leads to lax construction and many cases of missing holes and pinning, which leaves a hidden danger of slipping of the isolating switch transmission after commissioning. The present application solves the above-mentioned defects of the prior art by providing a shaft-fastening device for isolating switches, as follows:

[0034] The first clamping assembly 10 is connected to the clamping mechanism 30, and the first clamping assembly 10 and the clamping mechanism 30 together form a first clamping space for the vertical connecting rod 410 to pass through, and the distance between the first clamping assembly 10 and the clamping mechanism 30 is adjustable; the second clamping assembly 20 is connected to the clamping mechanism 30, and the second clamping assembly 20 and the clamping mechanism 30 together form a second clamping space for the operating mechanism output shaft 420 to pass through, and the distance between the second clamping assembly 20 and the clamping mechanism 30 is adjustable.

[0035] Specifically, the isolation switch shaft fastening device in the present application includes a first clamping component 10, a second clamping component 20 and a clamping mechanism 30. The first clamping component 10 is used to prevent the vertical connecting rod 410 from slipping during transmission rotation, and the second clamping component 20 is used to prevent the operating mechanism output shaft 420 from slipping during transmission rotation. The clamping mechanism 30 is used to cooperate with the first clamping component 10 and the second clamping component 20 at the same time, so as to achieve the effect of synchronous rotation of the vertical connecting rod 410 and the operating mechanism output shaft 420 during transmission connection by clamping and fastening.

[0036] Among them, after the first clamping component 10 and the clamping mechanism 30 are connected, they will enclose a first clamping space, and the first clamping space is used for the vertical connecting rod 410 to pass through, and the size of the first clamping space can be adjusted by adjusting the spacing distance between the first clamping component 10 and the clamping mechanism 30, so as to be adaptively adjusted according to the outer diameter of the vertical connecting rod 410, until the first clamping component 10 can clamp the vertical connecting rod 410 to be close to the clamping mechanism 30, so as to achieve a tightening effect; and the second clamping component 20 is similar to the first clamping component 10, and after it is connected to the clamping structure, it will enclose a first clamping space. The second clamping assembly 20 is formed around the operating mechanism output shaft 420, and the second clamping assembly 20 is used for the operating mechanism output shaft 420, and the size of the second clamping space can be adjusted by adjusting the spacing distance between the second clamping assembly 20 and the clamping mechanism 30, so as to adaptably adjust according to the outer diameter of the operating mechanism output shaft 420, until the second clamping assembly 20 can clamp the operating mechanism output shaft 420 until it is close to the clamping mechanism 30, so that the vertical connecting rod 410 and the operating mechanism output shaft 420 are integrated with the clamping mechanism 30 under the action of the clamping assembly, so that there will be no slipping during the transmission rotation, so as to ensure that the closing and opening of the switch is in place.

[0037] As a preferred embodiment of the present invention, the clamping mechanism 30 includes a transmission clamp plate 310 and a transmission pad 320, the first clamping component 10 and the transmission clamp plate 310 are connected to enclose the first clamping space; the second clamping component 20 and the transmission clamp plate 310 are connected, and the transmission pad 320 is padded between the second clamping component 20 and the transmission clamp plate 310, and the second clamping space is enclosed between the second clamping component 20 and the transmission pad 320.

[0038] It should be noted that the transmission clamping plate 310 is used to cooperate with the first clamping component 10 and the second clamping component 20 for installation. Since the upper part of the operating mechanism output shaft 420 has a D-shaped surface notch, it may not be able to fit tightly when being clamped by the second clamping component 20. Therefore, it is necessary to add the transmission pad 320 to be cushioned at the D-shaped surface of the operating mechanism output shaft 420, so that the transmission pad 320 is cushioned between the D-shaped surface of the operating mechanism output shaft 420 and the transmission clamping plate 310. For details, please refer to the attached Figure 2 Thus, the first clamping space is formed by the first clamping component 10 and the transmission clamping plate 310, while the second clamping space is formed by the second clamping component 20 and the transmission pad 320.

[0039] As a preferred embodiment of the present invention, the first clamping assembly 10 includes a plurality of first U-shaped screws 110 and first fastening nuts 120 arranged at vertical intervals, and the transmission clamp plate 310 is provided with a first connecting hole for the first U-shaped screw 110 to pass through, and the connecting end of the first U-shaped screw 110 extends out of the first connecting hole and is fixedly connected to the transmission clamp plate 310 through the first fastening nut 120.

[0040] It should be noted that the U-shaped screw has a simple structure and a large bearing capacity. Its U-shaped space and the transmission clamp plate 310 are very suitable for the passage of axial rods. Therefore, the first clamping assembly 10 is formed by combining multiple sets of first U-shaped screws 110 and first fastening nuts 120. To facilitate the installation of the first U-shaped screw 110, a first connecting hole is opened on the transmission clamp plate 310. The first connecting hole is used for the connection end (the end with a thread) of the first U-shaped screw 110 to pass through. Each of the first U-shaped screws 110 is correspondingly provided with two first connecting holes. After the first U-shaped screw 110 passes through and extends out of the first connecting hole, it can be fixed by the first fastening nut 120. The first fastening nut 120 can also be used to adjust the spacing distance between the first U-shaped screw 110 and the transmission clamp plate 310, thereby adjusting the size of the first clamping space to ensure the best clamping and fastening effect.

[0041] As a preferred embodiment of the present invention, the second clamping assembly 20 includes a plurality of second U-shaped screws 210 and second fastening nuts 220 arranged at vertical intervals, the transmission pad 320 is provided with a second connecting hole for the second U-shaped screw 210 to pass through, the transmission clamp plate 310 is provided with a third connecting hole arranged one-to-one corresponding to the second connecting hole, the connecting end of the second U-shaped screw 210 extends out of the third connecting hole and is fixedly connected to the transmission clamp plate 310 through the second fastening nut 220.

[0042] It is worth noting that, similar to the first U-shaped screw 110, the second clamping assembly 20 also adopts a combination of multiple sets of second U-shaped screws 210 and second fastening nuts 220. Since the transmission pad 320 is also padded between the output shaft 420 of the operating mechanism and the transmission clamp plate 310, a second connecting hole needs to be opened on the transmission pad plate 320 for the second U-shaped screw 210 to pass through. At the same time, a third connecting hole corresponding to the second connecting hole is opened on the transmission clamp plate 310. The one-to-one corresponding setting here means that the second connecting hole and the third connecting hole have the same size and number and are coaxially arranged. In this way, after the second U-shaped screw 210 passes through the second connecting hole and the third connecting hole in turn and extends out of the third connecting hole, it can be fixed by the second fastening nut 220. The second fastening nut 220 can also be used to adjust the spacing between the second U-shaped screw 210 and the transmission pad 320, thereby adjusting the size of the second clamping space to ensure the best clamping and fastening effect.

[0043] As a preferred embodiment of the present invention, the clamping mechanism 30 also includes a plurality of embedded card blocks 330, each of which is provided with a through hole for the first U-shaped screw 110 to pass through, and the through hole is arranged corresponding to the first connecting hole. The embedded card block 330 is fixed on the transmission clamp plate 310, and the embedded card block 330 is used to be arranged between the vertical connecting rod 410 and the transmission clamp plate 310.

[0044] It is worth noting that the embedded block 330 is used to further prevent transmission slippage during transmission friction between the transmission clamp plate 310 and the vertical connecting rod 410. It is fixed on the transmission clamp plate 310. A through hole is opened on the embedded block 330 for the first U-shaped screw 110 to pass through. When the first U-shaped screw 110 passes through the embedded block 330, a positioning constraint effect can be formed. In this way, when the vertical connecting rod 410 is clamped, the side wall can also be against the embedded block 330 to improve the anti-slip property.

[0045] Furthermore, the embedded block 330 is tiltedly disposed on a side close to the vertical connecting rod 410 .

[0046] It should be noted that this allows the embedded block 330 to form a beveled edge on one side facing the vertical connecting rod 410, so that when the vertical connecting rod 410 contacts the embedded block 330, the inclined surface can more conveniently abut against the vertical connecting rod 410, thereby achieving a better clamping and fastening effect of the block.

[0047] Furthermore, the width of the first U-shaped screw 110 is 55 mm to 57 mm.

[0048] It should be understood that the width of the first U-shaped screw 110 can be set according to the outer diameter of the vertical connecting rod 410. The closer it is to the outer diameter of the vertical connecting rod 410, the better the clamping effect. The length of the first U-shaped screw 110 can be adjusted by the first fastening nut 120. In a preferred embodiment, the width of the first U-shaped screw 110 can be set to 55mm~57mm, preferably, it can be set to 55mm.

[0049] Furthermore, the width of the second U-shaped screw 210 is 45 mm to 47 mm.

[0050] It should be noted that the width of the second U-shaped screw 210 can be set according to the outer diameter of the operating mechanism output shaft 420. The closer it is to the outer diameter of the operating mechanism output shaft 420, the better the clamping effect. The length of the second U-shaped screw 210 can be adjusted by the second fastening nut 220. In a preferred embodiment, the width of the second U-shaped screw 210 can be set to 45mm~47mm, preferably, it can be set to 45mm.

[0051] Furthermore, the number of the first U-shaped screw rods 110 is three, and the three first U-shaped screw rods 110 are arranged at intervals in the vertical direction.

[0052] It should be noted that the number of the first U-shaped screws 110 can be determined according to the vertical length of the transmission splint 310 and the range of the part close to the vertical connecting rod 410. In the present application as a preferred embodiment, the number of the first U-shaped screws 110 can be set to three; similarly, the number of the second U-shaped screws 210 can be determined according to the vertical length of the transmission splint 310 and the range of the part close to the output shaft 420 of the operating mechanism, and can be set to two.

[0053] The present application also provides an isolating switch, including an isolating switch body 40, the isolating switch body 40 includes a vertical connecting rod 410 and an operating mechanism output shaft 420, the vertical connecting rod 410 is transmission-connected to the operating mechanism output shaft 420, and is characterized in that it also includes the isolating switch associated shaft fastening device as described above, the vertical connecting rod 410 runs through the first clamping space of the isolating switch associated shaft fastening device, and the vertical connecting rod 410 is respectively abutted against the first clamping assembly 10 and the clamping mechanism 30, the operating mechanism output shaft 420 runs through the second clamping space of the isolating switch associated shaft fastening device, and the operating mechanism output shaft 420 is respectively abutted against the second clamping assembly 20 and the clamping mechanism 30.

[0054] It can be understood that the vertical connecting rod 410 and the operating mechanism output shaft 420 are connected in a circular transmission manner, so that the starting and ending positions can be adjusted at any angle along the circumference. After the connection, the operating mechanism output shaft 420 is clamped and fastened to the transmission pad through the second clamping assembly 20 (the second U-shaped screw 210 and the second fastening nut 220) and the transmission pad, so that the operating mechanism output shaft 420 is integrated with the transmission pad and the lower half of the transmission clamp block, so that when the operating mechanism output shaft 420 rotates, the transmission clamp plate 310 must rotate synchronously without transmission slippage; and the upper half of the transmission clamp block clamps the vertical connecting rod 410 with it through the first clamping assembly 10 (the first U-shaped screw 110 and the first fastening nut 120), so that the vertical connecting rod 410 is also integrated with the transmission clamp plate 310, so that there will be no slippage during rotation, so as to ensure synchronous transmission rotation and ensure that the closing and opening of the switch is in place.

[0055] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An isolating switch shaft fastening device, characterized in that: It includes a first clamping assembly, a second clamping assembly and a clamping mechanism; wherein, The first clamping assembly is connected to the clamping mechanism, the first clamping assembly and the clamping mechanism are enclosed to form a first clamping space for the vertical connecting rod to pass through, and the distance between the first clamping assembly and the clamping mechanism is adjustable; The second clamping assembly is connected to the clamping mechanism, and the second clamping assembly and the clamping mechanism together form a second clamping space for the output shaft of the operating mechanism to pass through, and the distance between the second clamping assembly and the clamping mechanism is adjustable.

2. The isolating switch-related shaft fastening device according to claim 1, characterized in that: The clamping mechanism includes a transmission clamping plate and a transmission pad. The first clamping component and the transmission clamping plate are connected to enclose and form the first clamping space. The second clamping component and the transmission clamping plate are connected, and the transmission pad is arranged between the second clamping component and the transmission clamping plate. The second clamping space is enclosed between the second clamping component and the transmission pad.

3. The isolating switch-related shaft fastening device according to claim 2, characterized in that: The first clamping assembly includes a plurality of first U-shaped screws and first fastening nuts arranged at vertical intervals. The transmission clamp is provided with a first connecting hole for the first U-shaped screw to pass through. The connecting end of the first U-shaped screw extends out of the first connecting hole and is fixedly connected to the transmission clamp through the first fastening nut.

4. The isolating switch-related shaft fastening device according to claim 2, characterized in that: The second clamping assembly includes a plurality of second U-shaped screws and second fastening nuts arranged at vertical intervals, the transmission pad is provided with a second connecting hole for the second U-shaped screw to pass through, the transmission clamp is provided with a third connecting hole arranged one-to-one corresponding to the second connecting hole, the connecting end of the second U-shaped screw extends out of the third connecting hole and is fixedly connected to the transmission clamp through the second fastening nut.

5. The isolating switch shaft fastening device according to claim 3, characterized in that: The clamping mechanism also includes a plurality of embedded card blocks, each of which is provided with a through hole for the first U-shaped screw to pass through, the through hole being arranged corresponding to the first connecting hole, the embedded card block being fixed on the transmission clamp plate, and the embedded card block being used to be arranged between the vertical connecting rod and the transmission clamp plate.

6. The isolating switch-related shaft fastening device according to claim 5, characterized in that: The embedded card block is arranged obliquely on one side close to the vertical connecting rod.

7. The isolating switch-related shaft fastening device according to claim 3, characterized in that: The width of the first U-shaped screw is 55 mm to 57 mm.

8. The isolating switch-related shaft fastening device according to claim 4, characterized in that: The width of the second U-shaped screw is 45 mm to 47 mm.

9. The isolating switch-related shaft fastening device according to claim 3, characterized in that: The number of the first U-shaped screws is three, and the three first U-shaped screws are arranged at intervals along the vertical direction.

10. An isolating switch, comprising an isolating switch body, the isolating switch body comprising a vertical connecting rod and an operating mechanism output shaft, the vertical connecting rod being drivingly connected to the operating mechanism output shaft, characterized in that: It also includes the isolation-related shaft fastening device as described in any one of claims 1 to 9, the vertical connecting rod passes through the first clamping space of the isolation-related shaft fastening device, and the vertical connecting rod is respectively abutted against the first clamping component and the clamping mechanism, and the operating mechanism output shaft passes through the second clamping space of the isolation-related shaft fastening device, and the operating mechanism output shaft is respectively abutted against the second clamping component and the clamping mechanism.

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