CN116631794A - Drive torque transmission device of isolating switch - Google Patents

Abstract

The invention belongs to the field of low-voltage switch operation, and discloses a driving torque transmission device of an isolating switch, which not only can obviously reduce hardware cost, but also ensures the reliability of opening and closing actions, and comprises a rotary coupling shaft, a rotary assembly, a base and a clutch transmission assembly, wherein the rotary assembly, the base and the clutch transmission assembly are sequentially arranged along the rotary coupling shaft; the rotating assembly is rotatably arranged; the clutch transmission assembly is rotatably arranged in the assembly installation through hole, one side of the clutch transmission assembly is elastically connected with the rotating assembly, the other side of the clutch transmission assembly is rotationally coupled with the preset isolating switch, the assembly installation through hole is provided with a blocking position, the clutch transmission assembly is provided with a blocking tongue which is elastically arranged, the blocking tongue is provided with a continuous decoupling portion and a blocking portion, the blocking portion is matched with the blocking position, the clutch transmission assembly is clamped in the assembly installation through hole, the rotating assembly comprises a first energy storage rotary table with decoupling protrusions, and the decoupling protrusions enable the blocking portion to be disengaged from the blocking position by pushing the decoupling portion.

Description

Drive torque transmission device of isolating switch

Technical Field

The invention belongs to the field of low-voltage switch operation, and particularly relates to a driving torque transmission device of an isolating switch.

Background

The isolating switch is an electrical element commonly applied to a circuit system, and the basic working principle of the isolating switch is that fixed contacts which are not movable and movable contacts which are movable relative to the fixed contacts are respectively arranged on two sides of a circuit node, and the movable contacts and the fixed contacts are conducted through movement of the movable contacts, so that the circuit node is communicated.

At present, a moving mode of a moving contact is usually realized by adopting a linear motion or a rotating motion mode, the moving contact in the rotating motion mode is driven and transmitted through an external input torque through a driving torque transmission device, so that the moving contact is rotated, in practical application, for the timeliness of emergency treatment of a circuit system, a signal control mode is often adopted for the opening action of a disconnecting switch, besides a manual control mode, the action mode of the driving torque transmission device is always adopted, so that the timely opening of a moving contact and a static contact can be completed without an operator to the site, related circuit nodes in the circuit system are timely disconnected, but the action mode of the driving torque transmission device is required to be provided with a manual control mode when the signal control mode is adopted, so that the execution of the opening operation of the disconnecting switch is ensured, namely, the driving torque transmission device is simultaneously provided with the manual control opening and closing action and the signal control to realize the opening action.

When the operation mode of the drive torque transmission device includes two control modes at the same time, there are the following drawbacks: the device is huge, the number of the formed elements is large, the hardware cost is high, and the coil release adopted in the signal control mode has large mechanical impact on the opening and closing action of the isolating switch, so that the bidirectional runout of the movable contact and the static contact in the opening and closing process is large, and the reliability of the opening and closing action of the isolating switch is obviously influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the driving torque transmission device of the isolating switch, which not only can greatly reduce the occupied volume and the number of components under the condition of simultaneously having two modes of manual and signal control, obviously reduce the hardware cost, but also greatly reduce the mechanical impact on the opening and closing actions of the isolating switch, thereby obviously weakening the bidirectional jump of the movable contact and the static contact in the opening and closing process and ensuring the reliability of the opening and closing actions of the isolating switch.

In order to achieve the above purpose, the present invention provides the following technical solutions:

a drive torque transmission device of an isolating switch for rotationally coupling an external drive torque with a predetermined isolating switch, comprising a rotational coupling shaft, characterized by further comprising: the clutch transmission assembly is provided with a clutch transmission assembly, a rotating assembly, a base and a clutch transmission assembly, wherein the rotating assembly, the base and the clutch transmission assembly are sequentially arranged along the axis of the rotating coupling shaft; the rotating assembly is arranged on the rotating coupling shaft in a penetrating way and is rotatably arranged relative to the base; the clutch transmission assembly is rotatably arranged in the assembly installation through hole, one side of the clutch transmission assembly is elastically connected with the rotating assembly, the other side of the clutch transmission assembly is rotationally coupled with the preset isolating switch, the assembly installation through hole is provided with a blocking position, the clutch transmission assembly is provided with a blocking tongue which is elastically arranged, the blocking tongue is provided with a continuous decoupling portion and a blocking portion, the blocking portion is matched with the blocking position, the clutch transmission assembly is clamped in the assembly installation through hole, the rotating assembly comprises a first energy storage rotary table, the first energy storage rotary table is provided with a decoupling protrusion, the decoupling protrusion is used for pushing the decoupling portion, so that the blocking portion is disengaged from the blocking position, when the rotating coupling shaft drives the rotating assembly to rotate forward or backward in a preset rotation direction through driving torque, the clutch transmission assembly is clamped so as to store energy through elastic connection, and when the rotating assembly rotates by a preset rotation angle, the decoupling protrusion pushes the decoupling portion, so that the clutch assembly elastically releases energy, and rotates in the assembly installation through hole, and then the preset isolating switch acts.

Preferably, the rotating assembly further comprises an energy storage double-arm torsion spring, the first energy storage turntable is arranged on the rotating coupling shaft in a penetrating mode, the clutch transmission assembly comprises a clutch transmission turntable and a plurality of blocking tongues, the clutch transmission turntable and the first energy storage turntable are coaxial, the clutch transmission turntable is provided with a coupling surface facing the first energy storage turntable, the blocking tongues are elastically abutted to the coupling surface, the first energy storage turntable is provided with a decoupling surface opposite to the coupling surface, the decoupling surface is provided with an axial boss protruding towards the coupling surface and a plurality of decoupling bulges, the axial boss and the rotating coupling shaft extend coaxially, the coupling surface is provided with a first driven rod facing the decoupling surface, the energy storage double-arm torsion spring is sleeved on the axial boss and abutted to the coupling surface, the energy storage double-arm torsion spring is provided with a first torsion arm and a second torsion arm, and when the first energy storage turntable rotates in the opposite direction relative to the coupling surface, the first torsion arm and the second torsion arm are respectively interfered with the first driven rod to stop rotating.

Further, the coupling surface is provided with a plurality of tongue piece placing grooves formed by extending along the self rotation radial direction, one end of the tongue piece placing groove close to the center of the coupling surface is used as a hinged end, a pressure spring is arranged in the tongue piece placing groove, the blocking tongue is correspondingly arranged in the tongue piece placing groove, two ends of the pressure spring respectively abut against the surface of the blocking tongue and the bottom surface of the tongue piece placing groove, one end of the blocking tongue is hinged to the hinged end, the other end of the blocking tongue is elastically tilted towards the decoupling surface, the assembly installation through hole is a stepped hole along the axis of the rotation coupling shaft, the assembly installation through hole is provided with a first pore canal and a second pore canal, the first pore canal faces the decoupling surface and has a diameter smaller than the second pore canal, the profile of the first pore canal is provided with a plurality of notches recessed towards the outside along the self radial direction, the notches are used as blocking positions, and the clutch transmission turntable is matched and arranged inside the second pore canal.

Still further, the decoupling portion is a convex structure close to the hinge end and convex towards the decoupling surface, and a maximum distance between the decoupling portion and the center of the coupling surface is smaller than a radius of the first duct; the blocking portion is a protruding structure extending outward in the rotational radial direction of the coupling surface, and the maximum distance between the end face of the free end and the center of the coupling surface is larger than the radius of the first duct.

Still further, clutch drive assembly still includes the restriction apron, still has articulated straight flute on the coupling face, articulated straight flute perpendicular to tongue piece standing groove and be located the articulated end, and the one end of hindering the tongue has with articulated straight flute complex articulated axostylus axostyle, restriction apron lid is established on articulated straight flute to hinder the articulated setting of tongue in the tongue piece standing groove.

Further, the decoupling surface is further provided with a first energy storage rod extending towards the coupling surface, and when the first energy storage rotary table and the clutch transmission rotary table rotate relatively, the first energy storage rod and the first driven rod respectively lean against the first torsion arm and the second torsion arm and move in opposite directions or in opposite directions, so that the energy storage double-arm torsion spring releases energy or stores energy.

Further, the rotating assembly further comprises a second energy storage rotary table, the first energy storage rotary table and the energy storage double-arm torsion spring sequentially penetrate through the rotating coupling shaft in sequence, a second driven rod facing the decoupling surface is further formed on the coupling surface, the second energy storage rotary table is provided with a second energy storage rod extending towards the coupling surface, the first energy storage rotary table is provided with a rod passing through hole penetrating through the second energy storage rod, when the second energy storage rotary table rotates to be matched with the second driven rod, the clutch transmission rotary table is driven to rotate, the rod passing through hole extends along the circumferential direction of the first energy storage rotary table, and when the first energy storage rotary table and the second energy storage rotary table relatively rotate, the second energy storage rod moves in the rod passing through hole.

Further, the second energy storage turntable is provided with a through shaft through hole and a vibration limiting through hole, the first energy storage turntable is provided with a vibration limiting through rod extending towards the second energy storage turntable, the through shaft through hole is used for penetrating the rotary coupling shaft, the inner wall of a pore canal of the through shaft through hole is provided with a linkage part extending towards the pore center, the vibration limiting through hole extends along the circumferential direction of the second energy storage turntable, the vibration limiting through rod is matched and penetrated and movably arranged in the vibration limiting through hole, the rotary coupling shaft is also provided with a driving part extending towards the outside along the radial direction of the rotary coupling shaft, the driving part is used for mechanically interfering with the linkage part, and when the rotary coupling shaft rotates along the preset direction and the driving part drives the linkage part to rotate, the vibration limiting through rod is propped against the inner wall of the vibration limiting through hole; when the rotary coupling shaft reversely rotates along a preset direction, the driving part and the linkage part do not interfere, and the vibration limiting passing rod moves in the vibration limiting through hole.

Still further, the invention also comprises an upper housing and an intermittent stop mechanism, wherein the upper housing is arranged on the base, the first energy storage turntable and the second energy storage turntable are positioned in the upper housing, the rotating assembly also comprises a second energy storage torsion spring, two ends of the second energy storage torsion spring are respectively fixedly arranged on the upper housing and the second energy storage turntable, a stop convex tooth formed by outwards extending is arranged on the peripheral surface of the second energy storage turntable, the intermittent stop mechanism comprises an intermittent matching rod, one end of the intermittent matching rod is arranged on the base in a resetting and rotating way through the torsion spring, the intermittent matching rod is provided with a first hook, the first hook is contacted with the peripheral surface of the second energy storage turntable, when the second energy storage turntable rotates in a preset rotation direction, the intermittent matching rod is pushed out towards the outside through the stop convex tooth, and when the first hook passes over the stop convex tooth, the intermittent matching rod resets and is in a hooking and matching with the stop convex tooth.

Still further, the intermittent stop mechanism further comprises a decoupling lever member, a special-shaped shaft rod, a coil release and a hooking lever member, the free end of the intermittent matching lever is provided with a first buckling part and a second buckling part which are sequentially arranged along the parallel direction of the axis of the rotary coupling shaft, the decoupling lever member is arranged on the base in a resetting and rotating way, one end of the decoupling lever member is matched with the second buckling part, the other end of the decoupling lever member is positioned at the orifice side of the first pore canal, the other end of the decoupling lever member is used for enabling one blocking part to break away from the blocking position through the abutting and pressing the decoupling part, the special-shaped shaft rod is provided with a matching molded surface and an avoiding molded surface which are continuous along the circumferential direction of the special-shaped shaft rod, the matching molded surface is used for being matched with the first buckling part, the avoiding molded surface is used for avoiding the first buckling part, the circumferential surface of the second energy storage turntable is also provided with a linkage convex tooth which is formed by outwards extending, and the hooking lever member is arranged on the base in a resetting and rotating way, the two ends of the hooking lever piece are respectively provided with a matching hook and a pressing head, the matching hook is contacted with the peripheral surface of the second energy storage rotary table, the special-shaped shaft lever is also provided with a tripping handle which extends along the self rotation radial direction, one side of the tripping handle is connected with the base through a reset pressure spring, the coil tripping device is provided with a movable iron core which can move linearly, one end of the movable iron core is abutted against the other side of the tripping handle, the pressing head is positioned near the other end of the movable iron core, the hooking lever piece is linked with the movable iron core through the pressing head, when the second energy storage rotary table rotates in a preset rotation direction through the energy storage of the second energy storage torsional spring, the matching hook passes over the linkage convex tooth and is matched with the linkage convex tooth in a hooking way, the hooking lever piece swings reciprocally, the pressing head pushes the movable iron core to move reciprocally, the reset pressure spring is compressed first and then expands, the special-shaped shaft lever is driven to swing reciprocally through the tripping handle, and the matching release profile is matched with the first buckling part, the first buckling part slides and is lapped at the joint of the matched molded surface and the avoidance molded surface, and the second buckling part pushes the decoupling lever to rotate through the cooperation of the molded surfaces; when the second energy storage turntable stores energy and rotates, and the coil release is powered on, the release handle is pressed down by the movable iron core, so that the special-shaped shaft rod rotates, the first buckling part is separated from the joint of the matched molded surface and the avoidance molded surface and slides on the avoidance molded surface, the first hook is separated from the matched of the stop convex tooth, meanwhile, the second buckling part is matched with the molded surface of the decoupling lever member, the decoupling lever member is pushed to rotate, the decoupling lever member is pushed to press the decoupling part, the blocking part is separated from the blocking position, the clutch transmission assembly rotates in the assembly installation through hole, and then the preset isolating switch is driven to perform the brake separating action.

Compared with the prior art, the invention has the beneficial effects that:

1. because the driving torque transmission device of the isolating switch comprises the rotary coupling shaft, and the rotary assembly, the base and the clutch transmission assembly which are sequentially arranged along the rotary coupling shaft, the base is provided with the assembly installation through hole; the rotating assembly is rotatably arranged; the clutch transmission assembly is rotatably arranged in the assembly installation through hole, one side of the clutch transmission assembly is elastically connected with the rotating assembly, the other side of the clutch transmission assembly is rotationally coupled with the preset isolating switch, the assembly installation through hole is provided with a blocking position, the clutch transmission assembly is provided with a blocking tongue which is elastically arranged, the blocking tongue is provided with a continuous decoupling part and a blocking part, the blocking part is matched with the blocking position, therefore, the clutch transmission assembly is blocked inside the assembly installation through hole, the rotating assembly comprises a first energy storage turntable, the first energy storage turntable is provided with a decoupling bulge, the decoupling bulge is used for pushing the decoupling part, so that the blocking part is released from being matched with the blocking position, when the rotating coupling shaft drives the rotating assembly to rotate forwards or backwards in a preset rotation direction through driving torque, the decoupling bulge pushes the decoupling part through elastic connection energy storage, and then the preset isolating switch rotates in the assembly installation through hole.

2. Because the rotating assembly further comprises the energy storage double-arm torsion spring, the first energy storage rotary table is arranged on the rotating coupling shaft in a penetrating manner, the clutch transmission assembly comprises the clutch transmission rotary table and a plurality of blocking tongues, the clutch transmission rotary table is provided with a coupling surface, the blocking tongues are elastically abutted on the coupling surface, the first energy storage rotary table is provided with a decoupling surface, an axial boss and a plurality of decoupling bulges are formed on the decoupling surface, the coupling surface is provided with a first passive rod, the energy storage double-arm torsion spring is sleeved on the axial boss and abutted on the coupling surface, the energy storage double-arm torsion spring is provided with a first torsion arm and a second torsion arm, when the first energy storage rotary table rotates in the opposite direction relative to the coupling surface, the first torsion arm and the second torsion arm interfere with the first passive rod respectively to stop rotating, therefore, the elastic connection between the clutch transmission assembly and the rotating assembly is realized through the energy storage double-arm torsion spring, and the elastic energy storage is realized through the first torsion arm and the second torsion arm are mutually and reversely separated, when the decoupling bulges are released from the blocking parts and the blocking positions, the energy storage double-arm torsion spring is realized through the transmission of torque through releasing energy rotation, and accordingly, when the rotating speed of the corresponding electric arc is further reduced through the rotation speed of a corresponding to the rotating switch, the rotating mechanism is further, and the rotating speed of the rotating assembly is further conveniently separated through the rotation speed of the rotating mechanism through the adjustment of the corresponding torque through adjusting the torque.

3. Because the coupling surface is provided with the plurality of tongue piece placing grooves formed by extending along the radial direction of rotation of the coupling surface, the tongue piece placing grooves are internally provided with the pressure springs, two ends of each pressure spring are respectively pressed against the surface of the blocking tongue and the bottom surface of each tongue piece placing groove, the blocking tongue is elastically tilted towards the decoupling surface, the assembly mounting through hole is a stepped hole along the axis of the rotary coupling shaft and is provided with the first pore canal and the second pore canal, the first pore canal faces the decoupling surface and has a smaller diameter than the second pore canal, the profile of the first pore canal is provided with a plurality of notches recessed towards the outside along the radial direction of the first pore canal, the notches are used as blocking positions, and the clutch transmission turntable is matched and arranged in the second pore canal.

4. Because the decoupling part is of a convex structure which is close to the hinge end and is convex towards the decoupling surface, the maximum distance between the decoupling part and the center of the coupling surface is smaller than the radius of the first pore canal; the blocking part is a protruding structure extending outwards along the rotation radial direction of the coupling surface, and the maximum distance between the end surface of the free end and the center of the coupling surface is larger than the radius of the first pore canal, so that the clutch triggering of the clutch transmission turntable is realized through simple part matching.

5. Because the rotating assembly further comprises the second energy storage rotary table, the second driven rod facing the decoupling surface is further formed on the coupling surface, the second energy storage rotary table is provided with the second energy storage rod, the first energy storage rotary table is provided with the through rod through hole penetrating through the second energy storage rod, when the second energy storage rotary table rotates to be matched with the second driven rod, the clutch transmission rotary table is driven to rotate, and when the first energy storage rotary table and the second energy storage rotary table relatively rotate, the second energy storage rod moves in the through rod through hole, therefore, the invention realizes two sets of energy storage and energy release driving mechanisms of the energy storage double-arm torsion spring through the combination of simple parts and the functional multiplexing of the clutch transmission assembly, and further simplifies the constituent elements of the invention.

6. Because the second energy storage rotary table is provided with the through shaft through hole and the vibration limiting through hole, the first energy storage rotary table is provided with the vibration limiting through rod, the inner wall of the pore canal of the through shaft through hole is provided with the linkage part extending towards the pore center, the vibration limiting through hole extends along the circumferential direction of the second energy storage rotary table, the vibration limiting through rod passes through in a matched manner and is movably arranged in the vibration limiting through hole, the rotary coupling shaft is also provided with the driving part extending towards the outside along the radial direction of the rotary coupling shaft, the driving part is used for mechanically interfering with the linkage part, and when the rotary coupling shaft rotates along the preset direction, and the driving part drives the linkage part to rotate, the vibration limiting through rod is propped against the inner wall of the vibration limiting through hole; when the rotary coupling shaft reversely rotates along a preset direction, the driving part and the linkage part do not interfere, the vibration limiting through hole moves, the driving part and the linkage part are matched to realize the driving of the torque, the vibration limiting through hole limits the track of the vibration limiting through hole, and radial runout of the rotary coupling shaft, which is generated by related mechanical elements in the torque driving process, is greatly reduced, so that the invention can further weaken the bidirectional runout of the movable contact and the static contact of the follow-up isolating switch in the opening and closing process by further reducing the mechanical impact of the self.

7. Because the intermittent stop mechanism further comprises a decoupling lever member, a special-shaped shaft rod, a coil release and a hooking lever member, the free end of the intermittent matching lever member is provided with a first buckling part and a second buckling part, the decoupling lever member is arranged on the base in a resetting and rotating manner, one end of the decoupling lever member is matched with the second buckling part, the other end of the decoupling lever member is abutted against the decoupling part, so that one blocking part is separated from a blocking position, the special-shaped shaft rod is provided with a matching molded surface and an avoidance molded surface, the matching molded surface is used for being matched with the first buckling part, the avoidance molded surface is used for avoiding the first buckling part, the second energy storage turntable is also provided with a linkage convex tooth, the hooking lever member is arranged on the base in a resetting and rotating manner, two ends of the hooking lever member are respectively provided with a matching hook and an abutting pressure head, the special-shaped shaft rod is also provided with a tripping handle, one side of the tripping handle is connected with the base through a resetting pressure spring, the coil release member is provided with a movable iron core capable of linearly moving, one end of the movable iron core is abutted against the other side of the tripping handle, the abutting pressure head is positioned near the other end of the movable iron core, and the hooking lever member is in a pressing way of the movable iron core, and the abutting pressure head is matched with the movable iron core through the abutting pressure head, and the first energy storage lever is in a reciprocating and sliding mode, and the first energy storage lever is matched with the first energy storage lever and the first energy storage lever is in a reciprocating and the reciprocating mode and the first energy storage lever is in a reciprocating and matched with the first energy storage hook and a reciprocating and a compression hook; when the second energy storage rotary table energy storage rotation is finished and the coil release is in an electric action, the release handle is pressed down by the movable iron core, so that the special-shaped shaft rod rotates, the first buckling part is separated from the joint of the matched molded surface and the avoidance molded surface and slides at the avoidance molded surface, the first hook is separated from the matching of the stop convex teeth, meanwhile, the second buckling part is matched with the molded surface of the decoupling lever member, the decoupling lever member is pushed to rotate, the decoupling lever member is pushed to press the decoupling part, the blocking part is separated from the blocking position, the clutch transmission assembly rotates in the assembly installation through hole, and the preset isolating switch is driven to perform the opening action.

Drawings

FIG. 1 is an exploded view of a drive torque transfer device of a disconnector with a base removed in accordance with an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a drive torque transfer device of an isolating switch according to an embodiment of the present invention;

FIG. 3 is a schematic view of a rotary coupling shaft according to an embodiment of the present invention;

FIG. 4 is a schematic view of a base of the present invention;

FIG. 5 is an assembly view of the intermittent stop mechanism, rotary assembly, clutch transmission assembly and predetermined disconnect switch of the present invention;

FIG. 6 is a schematic diagram of a second energy storage rotor of the present invention;

FIG. 7 is a schematic diagram of a first energy storage rotor of the present invention;

FIG. 8 is an exploded view of the clutch transmission assembly of the present invention;

FIG. 9 is a schematic illustration of the clutch transmission assembly of the present invention mated with an assembly mounting through hole;

FIG. 10 is an assembly view of the base, intermittent stop mechanism and swivel assembly of the present invention;

FIG. 11 is a top view of FIG. 10;

FIG. 12 is a schematic view of a clearance fit rod of the present invention;

FIG. 13 is a schematic view of a decoupling lever of the present invention;

FIG. 14 is a schematic view of a profiled shaft of the present invention;

fig. 15 is a schematic view of the hooking lever of the present invention.

In the figure: 100. a drive torque transmission device of a disconnecting switch, A, a drive wrench, B, a predetermined disconnecting switch, 10, a rotary coupling shaft, 10a, a latch insertion hole, 10B, a coupling collar portion, 10c, a shaft head coupling hole, 20, a base, 21, a component mounting hole, 21a, a blocking position, 22, a release setting region, 30, an upper housing, 40, a rotary component, 41, a second energy storage rotary disk, 41a, a stop tooth, 41B, a linkage tooth, 411, a second energy storage lever, 412, a shaft passing hole, 4121, a linkage portion, 413, a vibration limiting hole, 414, a reset lever, 42, a second energy storage torsion spring, 43, a first energy storage rotary disk, 431, an axial boss, 432, a decoupling protrusion, 433, a first energy storage lever, 434, a lever passing hole, 435, vibration limiting passing rod, 44, energy storage double-arm torsion spring, 50, clutch transmission assembly, 51, clutch transmission turntable, 51a, coupling surface, 511, first driven rod, 512, second driven rod, 513, tongue piece placing groove, 514, hinge straight groove, 52, blocking tongue, 521, hinge shaft, 522, decoupling portion, 523, blocking portion, 53, limiting cover plate, 60, intermittent stop mechanism, 61, intermittent fitting rod, 611, first hook, 612, first fastening portion, 613, second fastening portion, 62, decoupling lever, 63, profiled shaft, 631, fitting profile, 632, avoiding profile, 633, trip handle, 64, coil release, 641, movable iron core, 65, hooking lever, 65a, fitting hook, 65B, and pressing head.

Detailed Description

In order to make the technical means, the creation features, the achievement of the purposes and the effects of the present invention easy to understand, the following embodiments are specifically described with reference to the accompanying drawings, and it should be noted that the description of these embodiments is for aiding in understanding the present invention, but not limiting the present invention.

As shown in fig. 1 and 2, the driving torque transmission device 100 of the isolating switch in the present embodiment is used for rotationally coupling an external driving torque with a predetermined isolating switch B, specifically, the external driving torque is implemented by a manually pulling the driving wrench a.

The drive torque transmission device 100 of the disconnecting switch includes a rotation coupling shaft 10, a base 20, an upper housing 30, a rotation assembly 40, a clutch transmission assembly 50, and an intermittent stop mechanism 60, and specifically, the rotation driving shaft 10 is rotationally coupled with an external drive torque.

The rotating assembly 40, the base 20, the clutch transmission assembly 50 and the predetermined isolating switch B are sequentially disposed along the axis of the rotary coupling shaft 10, and the clutch transmission assembly 50 is disposed inside the base 20, specifically, the upper housing 30 is disposed on the base 20 in a covering manner, the rotating assembly 40 and the intermittent stop mechanism 60 are both disposed inside the space between the upper housing 30 and the base 20, and the intermittent stop mechanism 60 is disposed in the vicinity of the rotating assembly 40, and the clutch transmission assembly 50 is mechanically coupled with the predetermined isolating switch.

As shown in fig. 3, the circumferential surface of the rotary coupling shaft 10 has a driving portion extending radially outward of itself, specifically, a stub shaft coupling through hole 10c, a latch insertion through hole 10a, and a coupling collar portion 10b are formed in this order in the self-extending direction on the rotary coupling shaft 10, the stub shaft coupling through hole 10c is coupled with the upper housing 30 by a penetrating rod member, and the upper housing 30 is coupled with the driving knob a, the latch insertion through hole 10a is fitted into a latch driving rod (not shown in the drawing) perpendicular to the rotary coupling shaft 10, thereby forming a driving portion, the coupling collar portion 10b is for insertion-fitting with a rotating member, the cross section thereof is square, and the coupling collar portion 10b is located in the vicinity of the latch insertion through hole 10 a.

As shown in fig. 4, the base 20 has a component mounting through hole 21 and a trip unit setting region 22.

The assembly mounting through hole 21 is a circular stepped hole along the axis of the rotary coupling shaft 10, having a first duct (not shown in the drawings) facing the rotary assembly 40 and a second duct (not shown in the drawings), and having a diameter smaller than the radius of the second duct.

Specifically, the trip unit setting region 22 is located in the vicinity of the outside of one side of the component mounting through hole 21.

The first porthole has a plurality of blocking bits 21a, specifically, the blocking bits 21a are a plurality of notches recessed toward the outside along the radial direction thereof on the inner wall profile of the first porthole, the blocking bits 21a are four, and adjacent blocking bits 21a are 90 ° out of phase.

As shown in fig. 5, the rotating assembly 40 is disposed on the rotary coupling shaft 10 in a penetrating manner, and the rotating assembly 40 is rotatably disposed relative to the base 20, and the rotating assembly 40 includes a second energy storage turntable 41, a first energy storage turntable 43, and an energy storage double-arm torsion spring 44 sequentially disposed.

The second energy storage rotor 41 and the first energy storage rotor 43 are both located within the upper housing 30,

as shown in fig. 6, the second energy storage rotary table 41 has a stopper tooth 41a, a linkage tooth 41b, a second energy storage lever 411, a through-shaft through-hole 412, a vibration limiting through-hole 413, and a reset lever 414.

The stop teeth 41a and the interlocking teeth 41b are formed on the circumferential surface of the second energy storage rotary disk 41, specifically, the stop teeth 41a and the interlocking teeth 41b are ratchet teeth protruding toward the outside and having a wedge-shaped profile, and in the present embodiment, the number of stop teeth 41a is two and 90 ° phase apart, and the number of interlocking teeth 41b is one.

The through shaft through hole 412 is used for penetrating the rotary coupling shaft 10, the inner wall of the hole of the through shaft through hole 412 is provided with a linkage part 4121 extending towards the hole center of the through shaft through hole 412, the linkage part 4121 is used for mechanically interfering with the driving part, so that the driving part can drive the second energy storage turntable 41 to rotate when interfering with the linkage part 4121, specifically, the linkage part 412 enables the rotary coupling shaft 10 to directionally rotate by 90 degrees in the through shaft through hole 412 without driving the second energy storage turntable 41 to rotate, in the embodiment, the number of the linkage parts 4121 is two, and the linkage part 4121 is two 90-degree fan rings symmetrically formed by taking the center of the through shaft through hole 412 as the center of a circle.

The vibration limiting holes 413 extend along the circumferential direction of the second energy storage rotary disk 41, specifically, the number of the vibration limiting holes 413 is two and symmetrically arranged with the center of the second energy storage rotary disk 41, and the corresponding enveloping angles of the vibration limiting holes 413 are 90 degrees.

Specifically, the reset lever 414 is located on the disk surface of the second energy storage turntable 41 and extends toward the upper housing 30, and two ends of the second energy storage torsion spring 42 are respectively fixed on the upper housing 30 and the second energy storage turntable 41, so that the second energy storage turntable 41 is arranged in a resettable and rotatable manner relative to the base 20.

The second energy storage lever 411 is extended toward the first energy storage rotary disk 43.

As shown in fig. 7, the first energy storage rotary disc 43 has a decoupling surface (not shown in the drawings) facing the clutch transmission assembly 50, an axial boss 431, a decoupling protrusion 432, a first energy storage rod 433, a rod through hole 434, and a vibration limiting rod 435, and specifically, the first duct faces the decoupling surface.

The vibration-limiting passing rod 435 extends towards the second energy-storing rotary table 41, and the vibration-limiting passing rod 435 is matched and penetrated and movably arranged in the vibration-limiting through hole 413, when the rotary coupling shaft 10 rotates in a preset direction, and the driving part drives the linkage part 4121 to rotate the second energy-storing rotary table 41, the vibration-limiting passing rod 435 is abutted against the inner wall of the vibration-limiting through hole 413; when the rotary coupling shaft 10 is reversely rotated in a predetermined direction, the driving part does not interfere with the linkage part 4121, and the vibration-restricting levers 435 are moved in the vibration-restricting through holes 413, specifically, the number of the vibration-restricting levers 435 is two, corresponding to the two vibration-restricting through holes 413.

The through-rod through hole 434 extends along the circumferential direction of the first energy storage turntable 43, the through-rod through hole 434 is used for penetrating the second energy storage rod 411, and when the first energy storage turntable 43 and the second energy storage turntable 41 relatively rotate, the second energy storage rod 411 moves in the through-rod through hole 434.

The axial boss 431, the decoupling projection 432, and the first energy storage rod 433 are formed on the decoupling surface and extend toward the clutch transmission assembly 50.

Specifically, the axial boss 431 extends coaxially with the rotary coupling shaft 10, and in this embodiment, the axial boss 431 has a through hole for penetrating the rotary coupling shaft 10.

Specifically, the decoupling protrusions 432 are formed near the edge of the first energy storage rotating disc 43, when the first energy storage rotating disc 43 rotates, the decoupling protrusions 432 are driven to perform circumferential movement, and the number of the decoupling protrusions is two.

Specifically, the first energy storage rod 433 is formed near the edge of the first energy storage disc 43, and the extension length of the first energy storage rod 433 toward the clutch transmission assembly 50 is greater than the decoupling protrusion 432, and in this embodiment, the decoupling protrusion 432 and the first energy storage rod 433 are in an integrated protrusion structure.

The energy storage double-arm torsion spring 44 is sleeved on the axial boss 431 and abuts against the clutch transmission assembly 50, and the energy storage double-arm torsion spring 44 is provided with a first torsion arm (not shown in the drawing) and a second torsion arm (not shown in the drawing), specifically, the first torsion arm and the second torsion arm extend along the radial direction of the first energy storage rotary disc 43.

As shown in fig. 8 and 9, the clutch transmission assembly 50 is rotatably provided inside the assembly installation through hole 21, and one side of the clutch transmission assembly 50 is elastically connected with the rotating assembly 40, i.e., coupled with the first energy storage rotary table 43 through the energy storage double-arm torsion spring 44, and the other side is rotatably coupled with the predetermined isolating switch B.

The clutch transmission assembly 50 includes a clutch transmission dial 51, a blocking tab 52, and a limiting cover 53.

The clutch transmission turntable 51 and the first energy storage turntable 43 are coaxial, and the clutch transmission turntable 51 is rotatably matched and arranged in the second pore canal, the clutch transmission turntable 51 is provided with a coupling surface 51a facing the first energy storage turntable 43, a first passive rod 511, a second passive rod 512, a tongue piece placing groove 513 and a hinging straight groove 514, which are all formed on the coupling surface 51a, specifically, the coupling surface 51a is opposite to the decoupling surface, and one end of the energy storage double-arm torsion spring 44 is abutted on the coupling surface 51 a.

The first passive lever 511 and the second passive lever 512 both extend toward the decoupling surface, and when the second energy storage turntable 41 rotates to the point that the side profile of the second energy storage lever 411 matches with the side profile of the second passive lever 512, the second energy storage turntable 41 drives the clutch transmission turntable 51 to rotate together, specifically, the first passive lever 511 and the second passive lever 512 are distributed along the same diameter of the clutch transmission turntable 51 and are located near the edge of the clutch transmission turntable 51.

When the first energy storage rotary disc 43 rotates in the opposite direction relative to the coupling surface 51a, the first torsion arm and the second torsion arm interfere with the first passive rod 511 to stop rotating, that is, the first energy storage rod 433 and the first passive rod 511 respectively abut against the first torsion arm and the second torsion arm and move in opposite directions or back to back, so that the energy storage double-arm torsion spring releases energy or stores energy, specifically, when the first torsion arm and the second torsion arm stop due to interference, the second torsion arm and the first torsion arm rotate in the radial direction of the coupling surface 51a relative to the coupling surface 51a, so that the energy storage double-arm torsion spring 44 respectively stores energy in the two opposite directions.

The number of the tongue placement grooves 513 is plural, the plural tongue placement grooves 513 are each formed to extend in the rotation radial direction of the coupling surface 51a, one end of the tongue placement groove 513 near the center of the coupling surface 51a is taken as a hinge end (not shown in the drawing), and compression springs (not shown in the drawing) are correspondingly provided in the tongue placement grooves 513, specifically, the number of the tongue placement grooves 513 is two, the two tongue placement grooves 513 extend along the same diameter of the coupling surface 51a, and the diameter is perpendicular to the distribution diameter where the first passive lever 511 and the second passive lever 512 are located.

A hinge straight groove 514 is formed on the coupling surface 51a, and the hinge straight groove 514 is perpendicular to the tongue placement groove 513 and is located at the hinge end.

The number of the blocking tongues 52 is multiple, the blocking tongues 52 are correspondingly arranged in the tongue piece placing grooves 513, the blocking tongues 52 are elastically arranged through pressure springs in the tongue piece placing grooves 514, namely, two ends of each pressure spring are respectively pressed against the surface of the blocking tongues 52 and the bottom surface of the tongue piece placing grooves 513, one end of each blocking tongue 52 is hinged to the hinged end, and the other end of each blocking tongue 52 is elastically tilted towards the decoupling surface.

The blocking tongue 52 has the hinge shaft 521, the decoupling portion 522, and the blocking portion 523, and the number of blocking bits 21a is twice as large as the blocking tongue 52, specifically, the number of blocking bits 21a is four, and the number of blocking tongues 52 is two.

The hinge shaft is formed at one end of the blocking tongue 52 and is inserted into the hinge straight groove 514, and the limiting cover plate 53 is covered on the hinge straight groove 514, so that the blocking tongue 52 is hinge-mounted in the tongue mounting groove 513.

The decoupling portion 522 and the blocking portion 523 are continuous, the decoupling portion 522 is closer to the hinge end than the blocking portion 523 and has a convex structure protruding toward the decoupling surface, and the maximum distance between the decoupling portion 523 and the center of the coupling surface is smaller than the radius of the first hole, specifically, when the clutch transmission turntable 51 is located inside the second hole, the top of the decoupling portion 522 is higher than the surface of the base 20 facing the upper housing 30.

The blocking portion 523 is a protruding structure extending outward in the rotation radial direction of the coupling surface 51a, and the maximum distance between the end surface of the free end thereof and the center of the coupling surface 51a is larger than the radius of the first duct, the blocking portion 523 is engaged with the blocking position 21a so that the clutch transmission assembly 50 is caught inside the assembly mounting through hole 21a, and the decoupling protrusion 432 disengages the blocking portion 523 from the blocking position 21a by pushing the decoupling portion 522 toward the clutch transmission dial 51 along the axis of the rotation coupling shaft 10 so that the blocking portion 523 is disengaged from the blocking position 21a, specifically, the free end of the blocking portion 523, i.e., the free end of the blocking tongue 52, and the blocking portion 523 is disengaged from the blocking position 21a when the decoupling portion 522 is pushed.

When the rotary coupling shaft 10 drives the rotary assembly 40 to rotate in a predetermined rotational direction or in a reverse direction by the driving torque, the clutch transmission assembly 50 is locked to elastically store energy by elastic connection, when the rotary assembly rotates by a predetermined rotational angle, the decoupling protrusion 432 pushes the decoupling portion 522, so that the clutch transmission assembly 50 elastically releases energy, rotates in the assembly mounting through hole 21a, and further the predetermined disconnecting switch B operates, specifically, when the clutch transmission turntable 51 is locked in the assembly mounting through hole 21a, the first energy storage turntable 41 and the clutch transmission turntable 51 relatively rotate, the energy storage double-arm torsion spring 44 drives the first torsion arm or the second torsion arm to enter an energy storage process by a rod, and the driving torque cannot be transmitted to the predetermined disconnecting switch B; when the blocking portion 523 is disengaged from the blocking position 21a, the energy-storage double-arm torsion spring 44 is released, so that the energy-storage double-arm torsion spring rotates in the component mounting through hole 21a, transmission of driving torque to the preset isolating switch B is completed, and the manual control opening and closing action is realized.

As shown in fig. 10 and 11, the intermittent stop mechanism 60 is provided on the base 20 in the vicinity of the component mounting through hole 21a, and the intermittent stop mechanism 60 includes an intermittent engagement lever 61, a decoupling lever 62, a profiled shaft 63, a coil release 64, and a hooking lever 65.

One end of the intermittent fitting lever 61 is rotatably provided on the base 20 in a resettable manner by a torsion spring, and the intermittent fitting lever 61 has a first hook 611, a first fastening portion 612, and a second fastening portion 613.

As shown in fig. 12, the first hook 611 is in surface contact with the peripheral surface of the second energy storage rotary disc 41, the first fastening portion 612 and the second fastening portion 613 are formed at the free end of the intermittent fitting rod 61, and the first fastening portion 612 and the second fastening portion 613 are sequentially disposed along the axis parallel direction of the rotary coupling shaft.

When the second energy storage rotary table 41 rotates in a predetermined rotational direction, the first hooks 611 move on the circumferential surface profile of the second energy storage rotary table 41, and when the first hooks 611 move onto the wedge-shaped profile of the stopper teeth 41a, the second energy storage rotary table 41 gradually pushes out the intermittent engagement lever 61 toward the outside, and when the first hooks 622 pass over the stopper teeth 41a, the intermittent engagement lever 61 is reset to rotate, and the first hooks 611 are engaged with the stopper teeth 41 a.

As shown in fig. 13, the decoupling lever 62 is rotatably disposed on the base 20 in a resetting manner, one end of the decoupling lever 62 is in surface fit with the second fastening portion 613, the other end is located at the orifice side of the first hole, and the other end is pressed against the decoupling portion 522, so that the one blocking portion 523 is separated from the blocking position 21a.

As shown in fig. 14, the profiled shaft 63 has a mating profile 631, a relief profile 632, and a trip lever 633.

The engaging profile 631 and the avoiding profile 632 are both located on the circumferential surface of the special-shaped shaft 63, the engaging profile 631 and the avoiding profile 632 are continuous along the circumferential direction of the special-shaped shaft 63, the engaging profile 631 is used for being engaged with the first fastening portion 612, the avoiding profile 632 is used for avoiding the first fastening portion 613, specifically, when the first hook 622 starts to enter the front of the wedge-shaped surface of the stop tooth 41a, the special-shaped shaft 63 rotates towards the predetermined direction, the engaging profile 631 is made to face the first predetermined direction, when the first hook 611 starts to enter the wedge-shaped surface of the stop tooth 41a, the first fastening portion 612 moves gradually towards the special-shaped shaft, and meanwhile, the intermittent engaging lever 61 starts to reset, at the moment, the first fastening portion 612 is engaged with the engaging profile 631, but at the moment, the intermittent engaging lever 61 is not completely reset; when the first fastening portion 612 is mated with the mating surface 631, the profiled shaft 63 reversely rotates in a predetermined direction, so that the mating surface 631 faces in a second predetermined direction, and at this time, the first fastening portion 612 slides on the avoidance surface 632 until the intermittent mating lever 61 is completely reset.

The trip lever 633 is located on the circumferential surface of the profiled shaft 63 and extends radially outwardly of the rotation of the profiled shaft 63, and one side of the free end of the trip lever 622 is connected to the base by a return compression spring (not shown in the drawings).

The coil release 64 is disposed in the release setting area 22, and has a movable core 641 that is linearly movable, and one end of the movable core 641 abuts against the other side of the release lever 633, that is, the reset compression spring and the movable core 641 abut against opposite sides of the release lever 633, respectively, and specifically, the movable core 641 is straight.

As shown in fig. 15, a hooking lever member 65 is rotatably provided on the base 20 in a reset manner, and both ends of the hooking lever member 65 are respectively formed with a mating hook 65a and a pressing head 65b.

The mating hook 65a is in surface contact with the peripheral surface of the second energy storage turntable 41, the pressing head 65b is located near the other end of the movable iron core 641, and the hooking lever 65 is linked with the movable iron core 641 through the pressing head 65b, that is, the trip handle 633 and the pressing head 65b are respectively located at the two ends of the movable iron core 641.

When the second energy storage rotary table 41 rotates in a predetermined rotation direction through the energy storage of the second energy storage torsion spring 42, the matching hook 65a passes over the linkage convex tooth 41b and is matched with the linkage convex tooth 41b in a hooking way, the hooking lever piece 65 swings reciprocally, the pressing head 65b pushes the movable iron core 641 to move reciprocally, the reset pressure spring is compressed and expanded firstly, the release handle 633 drives the special-shaped shaft 63 to swing reciprocally, the matching molded surface 631 is separated from being matched with the first buckling part 612, the first buckling part 612 slides and is lapped at the joint of the matching molded surface 631 and the avoidance molded surface 632, and the second buckling part 613 pushes the decoupling lever piece 62 to rotate through molded surface matching.

When the energy storage rotation of the second energy storage rotary table 41 is finished and the coil release 64 is electrically operated, the release handle 633 is pressed down by the movable iron core 641, so that the special-shaped shaft 63 rotates, the first fastening part 612 is separated from the joint of the matching profile 631 and the avoidance profile 632 and slides on the avoidance profile 632, the first hook 611 is separated from the matching with the stop tooth 41a, meanwhile, the second fastening part 613 is matched with the profile of the decoupling lever 62, the decoupling lever 62 is pushed to rotate, the decoupling lever 62 abuts against the decoupling part 522, the blocking part 523 is separated from the blocking position 21a, the clutch transmission assembly 50 rotates in the assembly installation through hole 21, and the predetermined disconnecting switch B is driven to perform the disconnecting operation.

At this time, the second energy storage rotary table 41 rotates through the second energy storage torsion spring 42, the through shaft through hole 412 is not coupled with the rotary coupling shaft 10, and when the second energy storage rod 411 rotates circumferentially until the side surface of the second energy storage rod 411 is in profile fit with the side surface of the second passive rod 512, the decoupling protrusion 432 presses down the other decoupling portion 522, so that the second energy storage rod 411 pushes the clutch transmission rotary table 51 to rotate in the component mounting through hole, and external driving torque is transmitted to the predetermined isolating switch B, that is, the electric signal control brake separating action is realized.

Specifically, the number of the blocking portions 523 is two, and the number of the blocking positions 21a is four, after the two blocking portions 523 are correspondingly decoupled from the two blocking positions 21a, the clutch transmission turntable 51 rotates 90 ° in the second duct until the two blocking portions 523 enter and are blocked in the other two blocking positions 21a, and the clutch transmission turntable 51 stops in the second duct, and since the fit clearance between the blocking portions 523 and the blocking positions 21a is easy to design, the blocking positions 21a can absorb the vibration of the clutch transmission turntable 51 after the clutch transmission turntable 51 rotates 90 ° and stops, namely, the bidirectional jump of the predetermined disconnecting switch B in the switching-on/switching-off transient process is weakened, and the reliability of the switching-on/switching-off action of the predetermined disconnecting switch B is ensured.

The above embodiments are preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications or variations which may be made by those skilled in the art without the inventive effort within the scope of the appended claims remain within the scope of this patent.

Claims (10)

1. A drive torque transmission device of an isolating switch for rotationally coupling an external drive torque with a predetermined isolating switch, comprising a rotational coupling shaft, characterized by further comprising:

The rotating component, the base and the clutch transmission component are sequentially arranged along the axis of the rotating coupling shaft,

the base is provided with a component mounting through hole;

the rotating assembly is arranged on the rotating coupling shaft in a penetrating manner and is rotatably arranged relative to the base;

the clutch transmission assembly is rotatably arranged in the assembly mounting through hole, one side of the clutch transmission assembly is elastically connected with the rotating assembly, the other side of the clutch transmission assembly is rotationally coupled with the preset isolating switch,

wherein the assembly mounting through hole is provided with a blocking position, the clutch transmission assembly is provided with a blocking tongue which is arranged elastically and provided with a continuous decoupling part and a blocking part which is matched with the blocking position, thereby the clutch transmission assembly is blocked in the assembly mounting through hole,

the rotating assembly includes a first energy storage dial having a decoupling protrusion for pushing the decoupling portion such that the blocking portion is disengaged from the blocking position,

when the rotary coupling shaft drives the rotary assembly to rotate forward or backward in a preset rotation direction through the driving torque, the clutch transmission assembly is clamped so as to store energy elastically through elastic connection, and when the rotary assembly rotates by a preset rotation angle, the decoupling protrusion pushes the decoupling part, so that the clutch assembly elastically releases energy, rotates in the assembly mounting through hole and further acts on the preset isolating switch.

2. The drive torque transfer device of an isolating switch according to claim 1, wherein:

wherein the rotating assembly further comprises an energy storage double-arm torsion spring, the first energy storage turntable is arranged on the rotating coupling shaft in a penetrating way,

the clutch transmission assembly comprises a clutch transmission turntable and a plurality of blocking tongues,

the clutch transmission turntable and the first energy storage turntable are coaxial, the clutch transmission turntable is provided with a coupling surface facing the first energy storage turntable, the blocking tongue is elastically abutted on the coupling surface,

the first energy storage turntable is provided with a decoupling surface opposite to the coupling surface, the decoupling surface is provided with an axial boss protruding towards the coupling surface and a plurality of decoupling bulges, the axial boss extends coaxially with the rotary coupling shaft, the coupling surface is provided with a first driven rod facing the decoupling surface,

the energy storage double-arm torsion spring is sleeved on the axial boss and is abutted to the coupling surface, the energy storage double-arm torsion spring is provided with a first torsion arm and a second torsion arm, and when the first energy storage rotary table rotates in the opposite direction relative to the coupling surface, the first torsion arm and the second torsion arm respectively interfere with the first driven rod to stop rotating.

3. The drive torque transfer device of an isolating switch according to claim 2, characterized in that:

wherein the coupling surface is provided with a plurality of tongue piece placing grooves which are formed by extending along the self rotation radial direction, one end of the tongue piece placing groove which is close to the center of the coupling surface is used as a hinge end,

a pressure spring is arranged in the tongue piece placing groove,

the blocking tongue is correspondingly arranged in the tongue piece placing groove, two ends of the pressure spring are respectively propped against the surface of the blocking tongue and the bottom surface of the tongue piece placing groove, one end of the blocking tongue is hinged at the hinged end, the other end of the blocking tongue is elastically tilted towards the decoupling surface,

the assembly mounting through hole is a stepped hole along the axis of the rotary coupling shaft, the assembly mounting through hole is provided with a first pore canal and a second pore canal, the first pore canal faces the decoupling surface and has a diameter smaller than that of the second pore canal, the profile of the first pore canal is provided with a plurality of notches which are recessed towards the outside along the radial direction of the first pore canal, the notches are used as the blocking positions, and the clutch transmission turntable is matched and arranged in the second pore canal.

4. A drive torque transfer device for an disconnector according to claim 3, characterized in that:

The decoupling part is of a protruding structure which is close to the hinged end and protrudes towards the decoupling surface, and the maximum distance between the decoupling part and the center of the coupling surface is smaller than the radius of the first pore canal;

the blocking portion is a protruding structure extending outward in a rotation radial direction of the coupling surface, and a maximum distance between an end surface of a free end thereof and a center of the coupling surface is larger than a radius of the first duct.

5. A drive torque transfer device for an disconnector according to claim 3, characterized in that:

wherein the clutch transmission assembly further comprises a limiting cover plate,

the coupling surface is also provided with a hinging straight groove which is perpendicular to the tongue piece placing groove and is positioned at the hinging end,

one end of the blocking tongue is provided with a hinge shaft lever matched with the hinge straight groove, and the limiting cover plate cover is arranged on the hinge straight groove, so that the blocking tongue is hinged in the tongue piece placing groove.

6. The drive torque transfer device of an isolating switch according to claim 2, characterized in that:

when the first energy storage rotary table and the clutch transmission rotary table rotate relatively, the first energy storage rod and the first driven rod respectively lean against the first torsion arm and the second torsion arm and move oppositely or back to each other, so that the energy storage double-arm torsion spring releases energy or stores energy.

7. The drive torque transfer device of an isolating switch according to claim 2, characterized in that:

wherein the rotating assembly further comprises a second energy storage turntable, the first energy storage turntable and the energy storage double-arm torsion spring are sequentially arranged on the rotating coupling shaft in a penetrating way,

the coupling surface is also formed with a second passive rod facing the decoupling surface,

the second energy storage rotary table is provided with a second energy storage rod extending towards the coupling surface, the first energy storage rotary table is provided with a rod passing through hole penetrating through the second energy storage rod, when the second energy storage rotary table rotates to be matched with the second driven rod, the clutch transmission rotary table is driven to rotate,

the through rod through hole extends along the circumferential direction of the first energy storage rotary table, and when the first energy storage rotary table and the second energy storage rotary table rotate relatively, the second energy storage rod moves in the through rod through hole.

8. The drive torque transfer device of an isolating switch according to claim 2, characterized in that:

wherein the second energy storage rotary disk is provided with a through shaft through hole and a vibration limiting through hole, the first energy storage rotary disk is provided with a vibration limiting through rod extending towards the second energy storage rotary disk,

The through shaft through hole is used for penetrating the rotary coupling shaft, the inner wall of the pore canal of the through shaft through hole is provided with a linkage part extending towards the pore center, the vibration limiting through hole extends along the circumferential direction of the second energy storage turntable, the vibration limiting through rod passes through in a matched way and is movably arranged in the vibration limiting through hole,

the rotary coupling shaft is also provided with a driving part extending towards the outside along the radial direction of the rotary coupling shaft, the driving part is used for mechanically interfering with the linkage part, and when the rotary coupling shaft rotates along a preset direction and the driving part drives the linkage part to rotate, the vibration limiting passing rod is abutted against the inner wall of the vibration limiting through hole; when the rotary coupling shaft reversely rotates along a preset direction, the driving part and the linkage part do not interfere, and the vibration limiting rod moves in the vibration limiting through hole.

9. The drive torque transfer device of an isolating switch as in claim 8, further comprising:

an upper housing and an intermittent stop mechanism,

the upper housing is arranged on the base, the first energy storage turntable and the second energy storage turntable are positioned in the upper housing,

the rotating component also comprises a second energy storage torsion spring, two ends of which are respectively fixed on the upper housing and the second energy storage turntable,

The peripheral surface of the second energy storage rotary disc is provided with stop convex teeth which are formed by extending outwards,

the intermittent stop mechanism comprises an intermittent matching rod, one end of the intermittent matching rod is arranged on the base in a resetting and rotating mode through a torsion spring, the intermittent matching rod is provided with a first hook, the first hook is contacted with the peripheral surface of the second energy storage rotary disc,

when the second energy storage rotary table rotates in a preset rotation direction, the intermittent matching rod is pushed out towards the outside through the stop convex teeth, and when the first hook passes over the stop convex teeth, the intermittent matching rod is reset to rotate, and the first hook and the stop convex teeth are in hooking matching.

10. The drive torque transfer device of an isolating switch of claim 9, in which:

wherein the intermittent stop mechanism further comprises a decoupling lever member, a special-shaped shaft lever, a coil release and a hooking lever member, the free end of the intermittent matching lever is provided with a first buckling part and a second buckling part which are sequentially arranged along the parallel direction of the axis of the rotary coupling shaft,

the decoupling lever is arranged on the base in a resetting and rotating way, one end of the decoupling lever is matched with the second buckling part, the other end of the decoupling lever is positioned at the orifice side of the first pore canal, and one blocking part is separated from the blocking position by pressing the decoupling part,

The special-shaped shaft lever is provided with a matching molded surface and an avoidance molded surface which are continuous along the circumferential direction of the special-shaped shaft lever, the matching molded surface is used for matching with the first buckling part, the avoidance molded surface is used for avoiding the first buckling part,

the peripheral surface of the second energy storage rotary table is also provided with linkage convex teeth which are formed by extending outwards,

the hooking lever piece is arranged on the base in a resetting and rotating way, two ends of the hooking lever piece are respectively provided with a matching hook and a pressing head, the matching hook is contacted with the peripheral surface of the second energy storage rotary disc,

the special-shaped shaft lever is also provided with a tripping handle which extends along the self rotation radial direction, one side of the tripping handle is connected with the base through a reset pressure spring,

the coil release is provided with a movable iron core capable of moving linearly, one end of the movable iron core is propped against the other side of the release handle, the propping head is positioned near the other end of the movable iron core, the hooking lever piece is linked with the movable iron core through the propping head,

when the second energy storage rotary table rotates in a preset rotation direction through energy storage of the second energy storage torsion spring, the matching hook passes over the linkage convex tooth and is matched with the linkage convex tooth in a hooking way, the hooking lever piece swings reciprocally, the pressing head pushes the movable iron core to move reciprocally, the reset pressure spring is compressed and then expanded, the trip handle drives the special-shaped shaft rod to swing reciprocally, so that the matching molded surface is separated from the matching of the first buckling part, the first buckling part slides and is overlapped at the joint of the matching molded surface and the avoidance molded surface, and the second buckling part pushes the decoupling lever piece to rotate through molded surface matching;

When the second energy storage rotary table energy storage rotation is finished, and the coil release is powered on, the release handle is pressed down by the movable iron core, so that the special-shaped shaft rod rotates, the first buckling part is separated from the joint of the matching molded surface and the avoidance molded surface and slides on the avoidance molded surface, the first hook is separated from the matching of the stop convex teeth, meanwhile, the second buckling part is matched with the molded surface of the decoupling lever part, the decoupling lever part is pushed to rotate, the decoupling lever part is propped against the decoupling part, the blocking part is separated from the blocking position, and the clutch transmission assembly rotates in the assembly installation through hole, so that the predetermined isolating switch is driven to perform the brake separating action.