CN113078019A - Transmission mechanism for isolating switch - Google Patents
Transmission mechanism for isolating switch Download PDFInfo
- Publication number
- CN113078019A CN113078019A CN202110501997.9A CN202110501997A CN113078019A CN 113078019 A CN113078019 A CN 113078019A CN 202110501997 A CN202110501997 A CN 202110501997A CN 113078019 A CN113078019 A CN 113078019A
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- Prior art keywords
- operating shaft
- transmission mechanism
- limiting
- isolating switch
- ring seat
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a transmission mechanism for an isolating switch, which relates to the field of isolating switches, and comprises a bottom plate and a controlled elastic component, wherein the controlled elastic component comprises: the supporting spring is sleeved in the supporting rod and the loop bar, one end of the supporting spring is connected with the limiting part on the supporting rod, the other end of the supporting spring is connected with the sliding ring seat, the sliding ring seat is abutted against the protruding part on the loop bar, the winding assembly comprises a steel wire and a winding drum, the winding drum is rotatably sleeved at one end of the operating shaft, one end of the steel wire is wound on the winding drum, the other end of the steel wire is connected on the sliding ring seat, and the sliding ring seat is separated from the protruding part through the steel wire by the rotation of the winding drum. The operation shaft is prevented from being rotated when the deformation of the supporting spring reaches the maximum, and then the operation shaft is rotated, so that the stress of the rotation process of the operation shaft is consistent.
Description
Technical Field
The invention relates to the technology of isolating switches, in particular to a transmission mechanism for an isolating switch.
Background
The isolating switch has obvious disconnection points, can realize an isolating function and is mainly used for equipment maintenance. However, the isolating switch does not have a breaking function, can not be switched on and off with a load, and can be switched on and off only under the condition that the load is disconnected; the circuit breaker can normally open and close and break the load and is used for controlling the equipment, but the circuit breaker has no obvious disconnection point, can not visually judge whether a loop is disconnected or not, and is not suitable for overhauling the equipment.
As in the applicant's prior application: the circuit breaker and isolation misoperation prevention interlocking structure comprises a bottom plate and an operating shaft, wherein the patent number is 201920125235.1, the granted announcement date is 2019, 1 month and 25 days, and the name is 'a circuit breaker and isolation misoperation prevention interlocking structure'; wherein, the spring is extended or compressed by the second cam driving the operating shaft, when the spring is extended or compressed to the maximum deformation amount, the elastic force is generated to drive the operating shaft to move.
The aforesaid prior application still has the shortcoming, makes to drive the locking plate and remove through carrying out cam drive operating axis, makes supporting spring extension or compression when rotating the operating axis, when supporting spring extension or compression to the biggest deformation volume, can produce elasticity drive operating axis instantaneous restoration, makes the operating axis receive the striking in the twinkling of an eye that resets, therefore the required effort of whole operation process of operating axis is all inconsistent, leads to the operation sensation extremely poor.
Disclosure of Invention
The invention aims to provide a transmission mechanism for an isolating switch, which aims to overcome the defects in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
a transmission mechanism for an isolating switch comprises a bottom plate, wherein a rotating shaft and an operating shaft for opening and closing the isolating switch are arranged on the bottom plate, an executing cam is fixedly connected onto the operating shaft, one end of the executing cam is connected with a supporting rod, one end of the supporting rod is movably sleeved in a loop bar, and the other end of the loop bar is connected onto the rotating shaft; further comprising a controlled elastic assembly, the controlled elastic assembly comprising: the supporting spring is sleeved in the supporting rod and the loop bar, one end of the supporting spring is connected with the limiting part on the supporting rod, the other end of the supporting spring is connected with the sliding ring seat, the sliding ring seat is abutted against the protruding part on the loop bar, the winding assembly comprises a steel wire and a winding drum, the winding drum is rotatably sleeved at one end of the operating shaft, one end of the steel wire is wound on the winding drum, the other end of the steel wire is connected on the sliding ring seat, and the sliding ring seat is separated from the protruding part through the steel wire by the rotation of the winding drum.
Preferably, the locking device further comprises a plug-in assembly and a locking plate, wherein a plug-in part is arranged on the locking plate, and the plug-in assembly is driven to be plugged into the plug-in part of the locking plate by the disconnection stroke of operation.
Preferably, the plug-in assembly comprises a transmission cam driven by the operation shaft, a locking piece connected with the bottom plate in a sliding mode, and a transmission rod, wherein two ends of the transmission rod are respectively hinged with the transmission cam and the locking piece.
Preferably, the locking piece includes the convex slider with bottom plate sliding connection, the bolt of fixed connection on the convex slider, fixedly connected with limiting plate on the lock plate, the through connection has the spacing hole with bolt looks adaptation on the limiting plate.
Preferably, the transmission cam is provided with a gear tooth part, the operating shaft is coaxially and fixedly connected with an intermittent gear, and the intermittent gear is meshed with the gear tooth part on the transmission cam.
Preferably, the operating shaft is provided with a clamping assembly, one end of the winding reel is fixedly connected with a rotating handle, and the clamping assembly is used for clamping the rotating handle.
Preferably, the clamping assembly comprises a limiting seat fixedly connected to the operating shaft, a limiting block connected to the limiting seat in a sliding manner, and a first return spring arranged between the limiting block and the limiting seat.
Preferably, the wire tensioning device further comprises a tensioning assembly for tensioning the wire, so that the sliding ring seat is always located above the projection on the loop bar when the operating shaft is rotated.
Preferably, the tensioning assembly comprises two V-shaped hinged frames, and the end parts of the two V-shaped hinged frames are rotatably connected with two rollers and an elastic resetting assembly arranged on the V-shaped hinged frames.
Preferably, the elastic return assembly includes a first sleeve, a sliding rod slidably connected in the first sleeve, and a second return spring installed between the first sleeve and the sliding rod.
In the technical scheme, the transmission mechanism for the isolating switch provided by the invention has the advantages that the winding assembly drives the sliding sleeve seat to move on the supporting rod, so that the supporting spring is positioned above the protruding part on the sleeve rod, the supporting spring is prevented from being compressed firstly when the deformation of the supporting spring reaches the maximum by rotating the operating shaft, then the operating shaft is rotated, and the rotating process of the operating shaft is stressed consistently.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic overall structure diagram of a disconnecting switch according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a twist grip provided in accordance with an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a drive cam provided in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a plug assembly according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a tension assembly according to an embodiment of the present invention
Fig. 6 is a schematic structural diagram of an elastic reset assembly according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a support rod according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a sliding ring seat according to an embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a loop bar provided in an embodiment of the present invention;
FIG. 10 is a schematic structural diagram of a latch plate according to an embodiment of the present invention;
FIG. 11 is an enlarged view of a portion of the structure A in FIG. 2 according to an embodiment of the present invention;
FIG. 12 is a schematic structural diagram of an operating shaft according to an embodiment of the present invention;
fig. 13 is an enlarged schematic view of a portion of the structure B in fig. 4 according to an embodiment of the present invention.
Description of reference numerals:
1. a base plate; 1.1, a convex chute; 2. an operating shaft; 2.1, a winding reel; 2.11, rotating the handle; 2.2, mounting frames; 2.3, a limiting seat; 2.31, a first return spring; 2.32, a limiting block; 2.4, intermittent gear; 2.5, steel wires; 3. a plug-in assembly; 3.1, driving a cam; 3.2, a transmission rod; 3.3, a male slider; 3.31, a bolt; 4. a tension assembly; 4.1, a V-shaped hinged frame; 4.2, an elastic reset component; 4.21, a first sleeve; 4.22, a sliding rod; 4.23, a second return spring; 4.3, a roller; 5.1, a loop bar; 5.2, supporting rods; 5.21, limit keys; 5.22, a limiting part; 5.3, executing a cam; 5.31, a second sleeve; 5.4, a torsion spring; 5.5, a sliding ring seat; 5.6, supporting the spring; 6. a lock plate; 6.1, a baffle plate; 6.2, a waist-shaped chute; 6.3, limiting plates; 6.31, limiting hole.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1-13, a transmission mechanism for an isolating switch comprises a bottom plate 1, wherein a rotating shaft and an operating shaft 2 for opening and closing the isolating switch are arranged on the bottom plate 1, an executing cam 5.3 is fixedly connected to the operating shaft 2, one end of the executing cam 5.3 is connected with a supporting rod 5.2, one end of the supporting rod 5.2 is movably sleeved in a loop bar 5.1, and the other end of the loop bar 5.1 is connected to the rotating shaft; further comprising a controlled elastic assembly comprising:
the supporting spring 5.6 is sleeved in the supporting rod 5.2 and the loop bar 5.1, one end of the supporting spring is connected with the limiting part 5.22 on the supporting rod 5.2, the other end of the supporting spring is connected with the sliding ring seat 5.5, and the sliding ring seat 5.5 is abutted against the convex part on the loop bar 5.1;
the winding assembly comprises a steel wire 2.5 and a winding reel 2.1, wherein the winding reel 2.1 is rotatably sleeved at one end of the operating shaft 2, one end of the steel wire 2.5 is wound on the winding reel 2.1, the other end of the steel wire 2.5 is connected to the sliding ring seat 5.5, and the sliding ring seat 5.5 is separated from the protruding part through the steel wire 2.5 when the winding reel 2.1 rotates.
Specifically, the bottom plate 1 is used for installing various electronic components and operation shafts 2 and rotation shafts required by each isolating switch, the operation shafts 2 and the rotation shafts are respectively rotatably installed on the bottom plate 1, the execution cam 5.3 is fixedly installed coaxially on the peripheral side of the operation shaft 2, the end portion of the execution cam 5.3 is hinged with the support rod 5.2, one end of the support rod 5.2 is movably sleeved in the loop bar 5.1, so that the support rod 5.2 can slide in the loop bar 5.1, and the other end of the loop bar 5.1 is fixedly connected with the rotation shaft, so that the execution cam 5.3 can be driven to rotate by rotating the operation shaft 2, further the eccentric motion of the execution cam 5.3 drives the support rod 5.2 to rotate, so that the support rod 5.2 rotates in the loop bar 5.1, and further the loop bar 5.1 drives the rotation shaft to rotate.
Wherein, still install controlled elastic component on bottom plate 1, controlled elastic component includes supporting spring 5.6 and spiral subassembly:
further, the supporting spring 5.6 is externally sleeved in the supporting rod 5.2 and the loop bar 5.1, one end of the supporting spring is connected with the limiting part 5.22 on the supporting rod 5.2, the other end of the supporting spring is connected with the sliding ring seat 5.5, the sliding ring seat 5.5 is abutted on the convex part on the loop bar 5.1, the supporting spring 5.6 is sleeved on the supporting rod 5.2, the top end of the supporting rod 5.2 is coaxially and fixedly connected with a cylindrical limiting part 5.22, the outer diameter of the cylindrical limiting part 5.22 is larger than the outer diameter of the supporting rod 5.2, two limiting keys 5.21 are arranged on the periphery side of the supporting rod 5.2, the top end of the loop bar 5.1 is provided with a convex part which is coaxially arranged with the loop bar 5.1, the loop bar 5.1 is of a hollow cylindrical structure with a through top end, a limiting groove matched with the limiting key 5.21 is arranged through the loop bar 5.1 in the loop bar 5.1, the supporting rod 5.2 is sleeved with the same axis as the loop bar 5.1, the sliding ring seat can be vertically sleeved on the lower part of the sliding ring seat 5.1, the sliding ring seat 5.5 is a hollow cylindrical structure with the upper end and the lower end connected in a through mode, a limiting groove matched with the limiting key 5.21 is also formed in the sliding ring seat 5.5 in a through mode, therefore, the sliding ring seat 5.5 can slide around the supporting rod 5.2 without rotating, a supporting spring 5.6 is sleeved between the limiting part 5.22 of the supporting rod 5.2 and the sliding ring seat 5.5, the two ends of the supporting spring 5.6 are fixedly connected with the limiting part 5.22 of the supporting rod 5.2 and the sliding ring seat 5.5 respectively, the supporting spring 5.6 is used for supporting the sleeve rod 5.1 and the supporting rod 5.2, and further, the rotating shaft cannot rotate under the effect that the operating shaft 2 is not rotated;
a winding assembly: the winding device comprises a steel wire 2.5 and a winding reel 2.1, wherein the winding reel 2.1 is rotatably sleeved at one end of an operating shaft 2, one end of the steel wire 2.5 is wound on the winding reel 2.1, the other end of the steel wire 2.5 is connected to a sliding ring seat 5.5, and the sliding ring seat 5.5 is separated from a protruding part through the steel wire 2.5 when the winding reel 2.1 rotates; the operating shaft 2 is a hollow cylindrical structure with one end part communicated, the peripheral side of the operating shaft 2 is communicated with a wire slot, the angle of the circle center of the wire slot can be set according to the rotation angle of the operating shaft 2, generally 60-80 degrees can be selected, an installation frame 2.2 is fixedly connected to the inner wall of the end part of the operating shaft 2, the installation frame 2.2 is used for installing a winding reel 2.1, the winding reel 2.1 is sleeved on the operating shaft 2 with the same axis, one end of a steel wire 2.5 is wound on the winding reel 2.1, and the other end of the steel wire 2.5 is connected to a sliding ring seat 5.5.
The core innovation points of the embodiment are as follows: before disconnecting or closing the isolating switch, the winding reel 2.1 is rotated firstly, then the steel wire 2.5 drives the sliding ring seat 5.5 to move, the sliding ring seat 5.5 is close to the limiting part 5.22 of the support rod 5.2, the sliding ring seat 5.5 is separated from the protruding part of the loop bar 5.1, when the support spring 5.6 is compressed to the maximum deformation, the rotation of the winding reel 2.1 is stopped, and then the operating shaft 2 moves smoothly when the operating shaft 2 is rotated, so that the phenomenon that the operating shaft 2 is rotated to ensure that the operating shaft 2 is reset when the deformation of the support spring 5.6 reaches the maximum is avoided, the support spring 5.6 is compressed firstly, then the operating shaft 2 is rotated, and the stress of the rotating process of the operating shaft 2 is consistent.
Referring to fig. 4, 5 and 10, the locking device further comprises a plug-in assembly 3 and a locking plate 6, wherein a plug-in part is arranged on the locking plate 6, and the plug-in assembly 3 is driven to be plugged into the plug-in part of the locking plate 6 by the disconnecting stroke of the operation.
Specifically, the plug-in assembly 3 comprises a transmission cam 3.1 driven by the operating shaft 2, a locking piece connected with the bottom plate 1 in a sliding manner, and a transmission rod 3.2, two ends of which are respectively hinged with the transmission cam 3.1 and the locking piece;
the locking piece comprises a convex sliding block 3.3 connected with the bottom plate 1 in a sliding mode and a bolt 3.31 fixedly connected to the convex sliding block 3.3, a limiting plate 6.3 is fixedly connected to the locking plate 6, and a limiting hole 6.31 matched with the bolt 3.31 is connected to the limiting plate 6.3 in a penetrating mode;
the transmission cam 3.1 is provided with a gear tooth part, the transmission cam 3.1 is rotationally connected to the bottom plate 1, the operating shaft 2 is coaxially and fixedly connected with an intermittent gear 2.4, and the intermittent gear 2.4 is meshed with the gear tooth part on the transmission cam 3.1.
Further, the terminal surface of lock plate 6 link up and has seted up a waist shape spout 6.2, fixedly connected with one on the bottom plate 1 with the spacing post of waist shape spout 6.2 looks adaptation, and still be equipped with the convex spout 1.1 with convex slider 3.3 looks adaptation on the bottom plate 1, the tip fixedly connected with end cover of spacing post, the one end of lock plate 6 is connected with bracing piece 5.2 and execution cam 5.3 through a articulated shaft, and the other end of lock plate 6 has baffle 6.1, the upper end fixedly connected with limiting plate 6.3 of lock plate 6, link up on the limiting plate 6.3 and set up the spacing hole 6.31 with bolt 3.31 looks adaptation.
Furthermore, the actuating cam 5.3 is provided with a second sleeve 5.31, the second sleeve 5.31 is in through connection with the axis position of the actuating cam 5.3, the second sleeve 5.31 is sleeved on the operating shaft 2, a torsion spring 5.4 is sleeved between the second sleeve 5.31 and the operating shaft 2 coaxially, and two legs of the torsion spring 5.4 are fixedly connected with the second sleeve 5.31 and the operating shaft 2 respectively.
When the isolating switch is switched off by a user, the operating shaft 2 is rotated, the operating shaft 2 drives the executing cam 5.3 to rotate and simultaneously drives the intermittent gear 2.4 to rotate, the executing cam 5.3 drives the locking plate 6 to move so that the baffle 6.1 on the locking plate 6 abuts against the breaker switch operating shaft 2, the short-circuit breaker switch operating shaft 2 cannot be twisted, the intermittent gear 2.4 is meshed with the transmission cam 3.1, the transmission cam 3.1 drives the transmission rod 3.2 to move, the transmission rod 3.2 drives the convex sliding block 3.3 to move downwards, the convex sliding block 3.3 drives the bolt 3.31 to be inserted into the limiting hole 6.31 formed in the limiting plate 6.3 on the locking plate 6 so as to limit the locking plate 6, when the isolating switch is required to be switched on by the user, the operating shaft 2 is rotated, and at the moment, because the torsion spring 5.4 is arranged between the executing cam 5.3 and the operating shaft 2, the torsion spring 5.4 stores the force, the actuating cam 5.3 does not rotate, the intermittent gear 2.4 rotates, the intermittent gear 2.4 drives the transmission cam 3.1 to rotate, the transmission cam 3.1 drives the transmission rod 3.2 to move, the transmission rod 3.2 drives the convex sliding block 3.3 to slide upwards, the bolt 3.31 is separated from the limiting hole 6.31, the torsion spring 5.4 is just finished at the moment, and the actuating cam 5.3 drives the locking plate 6 to move towards the direction far away from the breaker switch operating shaft 2.
Referring to fig. 2, 4, 5, 11, 12 and 13, a clamping assembly is arranged on the operating shaft 2, one end of the winding reel 2.1 is fixedly connected with a rotating handle 2.11, and the clamping assembly is used for clamping the rotating handle 2.11.
Specifically, the joint subassembly includes spacing seat 2.3 of fixed connection on operating shaft 2, sliding connection at spacing 2.32 in spacing seat 2.3 and install the first reset spring 2.31 between spacing 2.32 and spacing seat 2.3.
Wherein, the rotation handle 2.11 is the ratchet, and ratchet fixed connection connects the tip of reel 2.1, and is used for spacing the ratchet for the pawl with ratchet looks adaptation at the tip of ratchet coaxial fixed connection cylindrical handle, stopper 2.32, therefore the ratchet can rotate clockwise, and when needs ratchet anticlockwise rotation, the messenger makes first reset spring 2.31 atress compression with manual removal stopper 2.32 can.
As shown with reference to fig. 4 and 5, a tensioning assembly 4 is also included, the tensioning assembly 4 being used to tension the wire 2.5 such that the sliding ring seat 5.5 is always above the projection on the loop bar 5.1 when the operating shaft 2 is rotated.
Specifically, the tensioning assembly 4 comprises two V-shaped hinged frames 4.1, two rollers 4.3 and an elastic reset assembly 4.2 mounted on the V-shaped hinged frames 4.1 are rotatably connected to the ends of the two V-shaped hinged frames 4.1.
The elastic return assembly 4.2 comprises a first sleeve 4.21, a sliding rod 4.22 slidably connected within the first sleeve 4.21 and a second return spring 4.23 mounted between the first sleeve 4.21 and the sliding rod 4.22.
One end of each of the two V-shaped hinge frames 4.1 is hinged to the support rod 5.2, the end portions of the first sleeve 4.21 and the sliding rod 4.22 are hinged to the V-shaped hinge frames 4.1, and the two ends of the second return spring 4.23 are hinged to the end portions of the first sleeve 4.21 and the sliding rod 4.22.
A user firstly rotates a ratchet wheel to enable the ratchet wheel to drive a wire winding barrel 2.1 to rotate, then the wire winding barrel 2.1 winds a steel wire 2.5, the steel wire 2.5 pulls a sliding ring seat 5.5 to move upwards until the sliding ring seat 5.5 compresses a supporting spring 5.6 to the maximum deformation amount, at the moment, a V-shaped hinge frame 4.1 is deformed, a sliding rod 4.22 moves in a first sleeve 4.21, then a second return spring 4.23 is stressed and compressed, at the moment, a supporting rod 5.2 moves in a sleeve rod 5.1 when the operating shaft 2 needs to be twisted again after the user is disconnected or closed, the user manually moves a limiting block 2.32 to enable the limiting block 2.32 to be separated from the ratchet wheel, at the moment, the supporting spring 5.6 generates a tendency of returning to the original length, the sliding ring seat 5.5 and a protruding part on the sleeve rod 5.1 are enabled to abut against, and then when the operating shaft 2 is rotated, the effect that the supporting spring 5.6 is compressed firstly, then, the operating shaft 2 is rotated, so that the rotating process of the operating shaft 2 is stressed uniformly.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. A transmission mechanism for an isolating switch comprises a bottom plate (1), wherein a rotating shaft and an operating shaft (2) used for opening and closing the isolating switch are arranged on the bottom plate (1), an executing cam (5.3) is fixedly connected onto the operating shaft (2), one end of the executing cam (5.3) is connected with a supporting rod (5.2), one end of the supporting rod (5.2) is movably sleeved in a loop bar (5.1), and the other end of the loop bar (5.1) is connected onto the rotating shaft; characterized in that, still include the controlled elasticity subassembly, the controlled elasticity subassembly includes:
the supporting spring (5.6) is sleeved in the supporting rod (5.2) and the sleeve rod (5.1), one end of the supporting spring is connected with a limiting part (5.21) on the supporting rod (5.2), the other end of the supporting spring is connected with a sliding ring seat (5.5), and the sliding ring seat (5.5) is abutted to a protruding part on the sleeve rod (5.1);
the winding assembly comprises a steel wire (2.5) and a winding drum (2.1), the winding drum (2.1) is rotatably sleeved at one end of the operating shaft (2), one end of the steel wire (2.5) is wound on the winding drum (2.1), the other end of the steel wire (2.5) is connected to the sliding ring seat (5.5), and the sliding ring seat (5.5) is separated from the protruding part through the steel wire (2.5) when the winding drum (2.1) rotates.
2. The transmission mechanism for the isolating switch according to claim 1, further comprising a plug-in component (3) and a locking plate (6), wherein the locking plate (6) is provided with a plug-in portion, and the disconnection stroke of the operation drives the plug-in component (3) to be plugged into the plug-in portion of the locking plate (6).
3. The transmission mechanism for the isolating switch according to claim 2, characterized in that the plug-in assembly (3) comprises a transmission cam (3.1) driven by the operating shaft (2), a locking member connected with the bottom plate (1) in a sliding manner, and a transmission rod (3.2) with two ends respectively hinged with the transmission cam (3.1) and the locking member.
4. The transmission mechanism for the isolating switch according to claim 2, wherein the locking piece comprises a convex sliding block (3.3) slidably connected with the bottom plate (1) and a bolt (3.31) fixedly connected to the convex sliding block (3.3), a limiting plate (6.3) is fixedly connected to the locking plate (6), and a limiting hole (6.31) matched with the bolt (3.31) is penetratingly connected to the limiting plate (6.3).
5. A transmission mechanism for a disconnector according to claim 3, characterized in that the transmission cam (3.1) has a gear tooth, the operating shaft (2) is coaxially and fixedly connected with an intermittent gear (2.4), and the intermittent gear (2.4) is engaged with the gear tooth of the transmission cam (3.1).
6. The transmission mechanism for the isolating switch according to claim 1, wherein a clamping assembly is arranged on the operating shaft (2), a rotating handle (2.11) is fixedly connected to one end of the winding reel (2.1), and the clamping assembly is used for clamping the rotating handle (2.11).
7. The transmission mechanism for the isolating switch according to claim 6, wherein the clamping assembly comprises a limiting seat (2.3) fixedly connected to the operating shaft (2), a limiting block (2.32) slidably connected in the limiting seat (2.3), and a first return spring (2.31) installed between the limiting block (2.32) and the limiting seat (2.3).
8. A transmission mechanism for a disconnector according to claim 1, characterized in that it further comprises a tensioning unit (4), which tensioning unit (4) is adapted to tensioning the wire (2.5) such that the sliding ring seat (5.5) is always located above the projection on the loop bar (5.1) when the operating shaft (2) is rotated.
9. The transmission mechanism for the isolating switch according to claim 8, characterized in that the tensioning assembly (4) assembly comprises two V-shaped hinged frames (4.1), two rollers (4.3) and an elastic reset assembly (4.2) mounted on the V-shaped hinged frames (4.1) are rotatably connected to the ends of the two V-shaped hinged frames (4.1).
10. A transmission mechanism for a disconnector according to claim 9, characterized in that the elastic return member (4.2) comprises a first sleeve (4.21), a sliding rod (4.22) slidably connected in the first sleeve (4.21), and a second return spring (4.23) mounted between the first sleeve (4.21) and the sliding rod (4.22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110501997.9A CN113078019B (en) | 2021-05-08 | 2021-05-08 | Transmission mechanism for isolating switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110501997.9A CN113078019B (en) | 2021-05-08 | 2021-05-08 | Transmission mechanism for isolating switch |
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| CN113078019A true CN113078019A (en) | 2021-07-06 |
| CN113078019B CN113078019B (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110501997.9A Active CN113078019B (en) | 2021-05-08 | 2021-05-08 | Transmission mechanism for isolating switch |
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| CN114597084A (en) * | 2022-03-02 | 2022-06-07 | 安徽新高电气有限公司 | Self-locking mechanism for isolating switch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114597084A (en) * | 2022-03-02 | 2022-06-07 | 安徽新高电气有限公司 | Self-locking mechanism for isolating switch |
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| CN113078019B (en) | 2022-03-08 |
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