CN218004716U - Load switch cabinet capable of automatically switching operation modes - Google Patents
Load switch cabinet capable of automatically switching operation modes Download PDFInfo
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- CN218004716U CN218004716U CN202222310646.2U CN202222310646U CN218004716U CN 218004716 U CN218004716 U CN 218004716U CN 202222310646 U CN202222310646 U CN 202222310646U CN 218004716 U CN218004716 U CN 218004716U
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- load switch
- transmission piece
- movable rod
- matching
- load
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Abstract
The utility model provides an automatic switch operation mode's load switch cabinet, this cubical switchboard include automatic module and manual module, and wherein manual module includes load switch action bars, control switch and trigger mechanism. The trigger mechanism comprises a first transmission piece and a second transmission piece, the first transmission piece comprises a first end part and a second end part which are opposite, the first end part is contacted with the peripheral surface of the load switch operating rod, and the first transmission piece can move along a first direction; the second transmission piece comprises a first matching part and a second matching part, and can rotate around the rotating axis of the second transmission piece; when the first transmission piece moves towards the first direction, the second end portion is abutted to the first matching portion, the second transmission piece is forced to rotate around the rotating shaft center, the second matching portion is matched with the control switch, and the control switch controls the on-off of a circuit of the automatic module. The utility model discloses a trigger mechanism and control switch cooperation have simplified the shutdown mechanism's of the automatic module of switch board structure, can force to cut off electronic module during manual mode.
Description
Technical Field
The utility model relates to a load switch cabinet field specifically is a load switch cabinet who relates to an automatic switch mode of operation.
Background
The load switch cabinet generally comprises a manual mode and an automatic mode, and an operating mechanism of the existing load switch cabinet pack has both manual and automatic functions, and is automatically operated and automatically disconnected during manual operation. The existing load switch comprises an operating handle, a clutch gear, a transmission gear and a transmission rod. The clutch gear is sleeved on the periphery of the transmission rod and can drive the transmission rod to rotate, when the operating handle is sleeved on the hexagonal shaft of the clutch gear, the clutch gear and the transmission rod are disconnected, and the transmission rod cannot be driven to rotate when the clutch gear is rotated. In an automatic mode, an operation handle is not required to be inserted, the motor drives the transmission rod to rotate through the transmission box, the transmission rod further drives the clutch gear to rotate, the clutch gear drives the transmission gear to rotate, the transmission gear rotates to drive the switch mechanism to move, and the switch is opened and closed; in the manual mode, the operating handle is sleeved on the hexagonal shaft of the clutch gear, the clutch gear is decoupled from the transmission rod, the clutch gear is driven to rotate by the operating handle, the clutch gear further drives the transmission gear to rotate, the transmission gear rotates to drive the switching mechanism to move, and the switch is switched on and off.
Although the existing load switch cabinet realizes that the automatic control module is automatically disconnected by inserting the operating handle through the clutch mechanism with the clutch gear, the mechanical clutch mechanism has a complex structure and high failure rate; meanwhile, as the service life increases, parts of the clutch are abraded, the reliability of the clutch is deteriorated, and safety is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure and reliability are high, can automatic cutout automatic mode's load switch cabinet when using manual mode.
In order to realize foretell first purpose, the utility model provides an automatic switch mode's load switch cabinet includes load switch operating device, and load switch operating device includes automatic module and manual module, and manual module includes the load switch action bars, and the load switch cabinet still includes: the control switch is used for controlling the on-off of the circuit of the automatic module; the trigger mechanism comprises a first transmission piece and a second transmission piece; the first transmission piece comprises a first end part and a second end part which are opposite, and the first end part and the second end part are respectively positioned at two extending ends of the first transmission piece; the first end part is contacted with the outer peripheral surface of the load switch operating rod, or a gap is formed between the first end part and the outer peripheral surface of the load switch operating rod, the first transmission piece can move along a first direction, and the first direction is the extending direction of the first transmission piece; the second transmission piece comprises a first matching part and a second matching part, and can rotate around the rotating axis of the second transmission piece; when the first transmission piece moves towards the first direction, the second end portion is abutted to the first matching portion, the second transmission piece is forced to rotate around the rotating shaft center along the first rotating direction, and the second matching portion is matched with the control switch.
According to the scheme, the structure of the cutting mechanism of the automatic module of the power distribution cabinet is simplified and the failure rate of the cutting mechanism is reduced by matching the trigger mechanism with the control switch; when the operating handle is inserted into a load switch operating rod of a load switch cabinet, the outer peripheral face of the insertion end of the operating handle is automatically matched with the trigger mechanism to enable the first transmission piece to move along the first direction so as to drive the second transmission piece to rotate, the second matching portion of the second transmission piece is matched with the control switch, the control switch cuts off a circuit of an automatic module of the power distribution cabinet, the function of cutting off the electric module is forced in a manual mode, and the automatic module is prevented from being started during manual operation to damage operating personnel or equipment.
According to a further aspect of the invention, the first transmission member comprises a wedge, the wedge being located at a first end of the first transmission member; the wedge block comprises a matching inclined plane, the distance from the matching inclined plane to the axis of the load switch operating rod is gradually reduced along a third direction, and the third direction is the axial direction of the load switch operating rod and is the direction pointing to the inside of the load switch cabinet from the outside of the load switch cabinet.
It can be seen that the mating inclined surfaces of the wedges make it easier to insert the operating handle onto the load switch operating lever.
According to a further scheme, the wedge block further comprises a matching plane, the matching plane is connected with the matching inclined plane, and a straight line in which the extending direction of the first transmission piece is located is perpendicular to the matching plane; the extending direction of the first transmission piece is vertical to the extending direction of the load switch operating rod; the fitting plane contacts the outer peripheral surface of the load switch operating lever, or a space is provided between the fitting plane and the outer peripheral surface of the load switch operating lever.
Therefore, the arrangement of the matching plane enables the wedge block to be matched with the operating handle more stably, and the matching plane has a certain width, so that even if the operating handle is displaced in the direction opposite to the insertion direction, the first connecting piece can be kept at a stable working position, and the state of the control switch is kept stable; the matching plane is abutted against the peripheral surface of the operating rod of the load switch, so that the inserting end of the operating handle can trigger the trigger mechanism only by setting smaller sleeve thickness; the interval sets up and makes operating handle more easily with the cooperation of pegging graft of load switch action bars, can adjust the flexible volume or the position of first transmission piece according to the sleeve pipe thickness of the end of inserting of operating handle simultaneously, makes the size of cooperation plane and the periphery interval of action bars suitable.
According to the scheme, the load switch operating mechanism further comprises a mounting seat and an elastic piece; the mounting seat is fixedly arranged in the load switch cabinet; the mounting seat comprises a mounting channel, and the extension direction of the mounting channel is the same as that of the first transmission piece; the first transmission piece further comprises a movable rod, the movable rod is arranged in the installation channel, the extending direction of the movable rod is the same as the extending direction of the installation channel, and the movable rod can move in the installation channel along the extending direction of the first transmission piece; the wedge block is connected with a movable rod, the movable rod and the wedge block are sequentially arranged along a second direction, and the second direction is opposite to the first direction; the two ends of the elastic piece are respectively abutted to the mounting seat and the support rod, the elastic piece stores energy when the movable rod moves along the first direction, and the elastic piece can drive the movable rod to move towards the second direction when releasing the stored energy.
Therefore, the elastic piece is arranged, so that after the operating handle is pulled out, the first transmission piece can be automatically reset, the limitation of the first transmission piece on the second transmission piece is removed, and the control switch can push the second transmission piece and realize the reset of the control switch only by small force.
According to the scheme, a long sliding groove is formed in the side wall of the mounting seat and is communicated with the mounting channel, and the length direction of the sliding groove is the extending direction of the movable rod; the movable rod further comprises a limiting part, the limiting part is arranged in the sliding groove, the movable rod drives the limiting part to slide in the sliding groove, and the limiting part and the sliding groove are in limiting fit in the extending direction of the movable rod.
Therefore, the sliding groove is in limit fit with the limiting part, so that the first transmission part can only move according to a preset stroke, and the phenomenon that the stroke of the first transmission part is too large due to misoperation, and the second transmission part exerts larger force on the control switch to damage the control switch is avoided.
According to the scheme, the extending end part of the movable rod further comprises a spherical cap surface, and the spherical cap surface is located at the second end part.
Therefore, the spherical crown surface is matched with the first matching part more smoothly, and the matching resistance between the first transmission piece and the second transmission piece is reduced.
According to a further aspect of the above, the load switch operating lever includes a gear section, and the first transmission member is located at an outer periphery of the gear section.
Therefore, the arrangement of the gear section ensures that the insertion end of the operating handle can drive the load switch operating lever to rotate only by arranging the internal teeth corresponding to the insertion end, and the load switch operating lever is prevented from being operated by irrelevant personnel.
According to a further aspect of the above solution, the control switch is a micro switch, and the movable contact of the micro switch abuts against the second matching portion.
Therefore, the microswitch is used as the control switch, the first transmission piece and the second transmission piece can be triggered by a small stroke, and the sensitivity is high.
Drawings
Fig. 1 is a first view structural diagram of a load switch operating mechanism of an embodiment of the load switch cabinet with automatic operation mode switching according to the present invention.
Fig. 2 is a second view structural diagram of the load switch operating mechanism of the load switch cabinet embodiment of the present invention, which can automatically switch the operating modes.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
The load switch cabinet of this embodiment includes the cabinet body, and the internal load switch operating device that is provided with of cabinet, load switch operating device include manual operation module and automatic operation module, and under general condition, control the load switch cabinet through automatic operation module, when needs overhaul the circumstances such as, need operate the load switch cabinet through manual operation module at the scene. When the manual operation module is used for controlling the load switch cabinet, the automatic operation module needs to be cut off, and the remote-end operator is prevented from misoperation through the automatic operation module, damage to equipment and injury to the operator of the manual operation module. In order to prevent the above problem, the manual module in the load switch operating mechanism in this embodiment is operated to automatically and forcibly cut off the automatic module.
Referring to fig. 1 to 3, the manual module includes a load switch lever 400, a trigger mechanism, and a micro switch 500, the micro switch 500 being a control switch in the present embodiment; when the load switch cabinet is operated through the manual operation module, the operation handle is inserted into the load switch operation rod 400, in the insertion process of the operation handle, the operation handle is matched with the trigger mechanism, the trigger mechanism presses the trigger button of the micro switch 500, the micro switch 500 outputs an electric signal to cut off the automatic module, the operation handle is rotated after being inserted in place to drive the load switch operation rod 400 to rotate, manual mode operation and control are completed, and the load switch is switched off or switched on. The insertion direction of the operating handle is the third direction of the present embodiment, that is, the third direction is the axial direction of the load switch operating rod and is the direction from the outside of the load switch cabinet to the inside of the load switch cabinet.
The extension end of the load switch operating lever 400 comprises a gear section 401, the gear section 401 is arranged at the insertion end of the load switch operating lever 400, a plurality of teeth are uniformly arranged at the periphery of the gear section 401 along the circumferential direction of the gear section 401, the insertion end of an operating handle (not shown in the figure) comprises a sleeve, the inner circumferential surface of the sleeve is provided with teeth matched with the gear section 401, the gear section 401 is arranged so that an operator has to use the operating handle capable of being matched with the gear section 401 to operate the load switch operating lever, and the load switch cabinet is prevented from being operated by irrelevant personnel.
The trigger mechanism comprises a first transmission piece 100 and a second transmission piece 200; the first transmission member 100 includes a wedge 101 and a movable rod 102, the second transmission member 200 is a herringbone member, two arms of the herringbone member are respectively a first engagement portion 201 and a second engagement portion 202, a through hole is provided at a rotation axis position of the second transmission member 200, the through hole is engaged with a screw rod, the second transmission member 200 is rotatably connected to the load switch operating mechanism, the second connection member 200 is rotatable around the screw rod, and an axis of the screw rod is a rotation axis of the second connection member 200.
The movable rod 102 is a long cylindrical rod, one end of the movable rod 102 is connected with a wedge block 101 in the length direction of the movable rod 102, the other end of the movable rod 102 is provided with a spherical crown surface 1021, the length direction of the movable rod 102 is the same as the extension direction of the movable rod 102, the extension direction of the movable rod 102 is the extension direction of the first transmission piece 100, and the straight line of the extension direction of the movable rod 102 is perpendicular to the straight line of the extension direction of the load switch operating rod 400; the wedge 101 is arranged at the first end part of the first transmission piece 100, and the spherical crown surface 1021 is arranged at the second end part of the first transmission piece 100; the load switch operating mechanism further comprises an installation base 300 and a spring 600, the spring 600 is an elastic member in this embodiment, the installation base 300 is fixedly arranged in the load switch cabinet, an installation channel is arranged in the installation base 300, a long sliding groove 301 is arranged on a side wall of the installation base 300, the sliding groove 301 is communicated with the installation channel, the length direction of the sliding groove 301 is the extension direction of the installation channel, the movable rod 102 is installed in the installation channel, two extension ends of the movable rod 102 respectively extend out from two extension ends of the installation channel, the movable rod 102 can slide in the installation channel along the length direction of the movable rod 102, the outer peripheral surface of the movable rod 102 is connected with a limiting member 1022, the limiting member 100 is located in the sliding groove 301, and the limiting member 1022 is in limiting fit with the sliding groove 301, so as to limit the stroke of the movable rod 102; the spring 600 is sleeved on the periphery of the movable rod 102, one end of the spring 600 is abutted against the limiting part 1022, and the other end of the spring 600 is abutted against the mounting base 300; the wedge block 101 comprises a matching plane 1012 and a matching inclined plane 1011, the matching plane 1012 and the matching inclined plane 1011 are positioned at one end, close to the gear section 401, of the wedge block 101, the matching inclined plane 1011 and the matching plane 1012 are sequentially arranged along a third direction, in addition, the distance from the matching inclined plane 1011 to the axis of the load switch operating rod 400 is gradually reduced along the third direction, the matching plane 1012 is connected with the periphery of the gear section 401, the matching plane 1012 is parallel to the straight line where the axis of the load switch operating rod 400 is positioned, and the straight line where the extending direction of the movable rod 102 is positioned is vertical to the matching plane 1012; of course, there may be a gap between the mating plane and the periphery of the gear segment to facilitate the mating of the operating handle with the gear segment 401. The spherical crown surface 1021 of the movable rod 102 contacts the first engaging portion 201, and the second engaging portion 202 contacts the trigger button of the microswitch 500.
When the load switch operating mechanism is operated in a manual mode, a sleeve of an operating handle is in inserted fit with the gear section 401, the sleeve is inserted in the third direction, the insertion end of the sleeve is firstly abutted against the matching inclined surface 1011 of the wedge block 101 in the insertion process, the sleeve is matched with the matching inclined surface 1011 along with continuous insertion of the sleeve, the wedge block 101 is pushed towards the first direction, the movable rod 102 synchronously moves towards the first direction in the installation channel, the limiting part 1022 slides in the sliding groove 301, the spring 600 compresses for energy storage, the spherical crown surface 1021 moves towards the first direction and is matched with the first matching part 1021, the spherical crown surface 1021 applies acting force to the second transmission piece 200, the second transmission piece 200 rotates around the axis of the bolt along the first rotating direction after being stressed, the first rotating direction is the clockwise direction, and in the rotating process of the second transmission piece 200, the second matching part 202 applies acting force to the trigger button of the micro switch 500, so that the trigger button of the micro switch 500 is pressed; after the sleeve is inserted in place, the inner wall surface of the sleeve is matched with the outer peripheral surface of the gear section 401, the outer wall surface of the sleeve is abutted against the matching plane 1012, the first transmission piece 100 stops moving, and the second transmission piece 200 stops rotating; after the manual mode operation is finished, the operating handle is pulled out of the gear section 401, the spring 600 releases stored energy, the first transmission member 100 moves along the second direction under the elastic action of the spring 600 and returns to the initial position, and in the process that the first transmission member 100 moves towards the second direction, the first transmission member 100 does not apply acting force to the first matching portion 201 any more, the trigger button of the microswitch 500 automatically resets, and meanwhile, the trigger button applies acting force to the second matching portion 202, so that the second transmission member 200 rotates around the rotation axis of the second transmission member along the second rotation direction until the trigger button of the microswitch 500 returns to the initial position, and the first matching portion is in contact with the spherical crown surface 1021; the second direction is opposite to the first direction, the first direction and the second direction are extending directions of the first transmission member 100, and the second rotation direction is opposite to the first rotation direction, that is, the second rotation direction is counterclockwise.
In the manual mode, the load switch cabinet can synchronously cut off the automatic mode in the manual mode only by inserting the operating handle into the load switch cabinet and inserting and matching the operating handle with the load switch operating rod 400, so that the safety performance is high; the setting of the microswitch 500 increases the sensitivity of the switch-off automatic mode; the arrangement of the matching inclined plane 1011 enables the operation handle to be easily inserted; the gear section 401 can effectively prevent irrelevant personnel from operating the load switch cabinet.
In some embodiments, the mating ramp is curved.
In some embodiments, the wedge includes only a mating flat surface, and the outer periphery of the operating handle is provided with a beveled surface that mates with the mating flat surface of the wedge.
Finally, it should be emphasized that the above-described embodiments are merely preferred examples of the present invention, and are not intended to limit the invention, as those skilled in the art will appreciate that various changes and modifications may be made, and any and all modifications, equivalents, and improvements made, while remaining within the spirit and principles of the present invention, are intended to be included within the scope of the present invention.
Claims (8)
1. A load switch cabinet for automatically switching operation modes, comprising a load switch operating mechanism including an automatic module and a manual module, the manual module including a load switch operating lever, characterized in that the load switch cabinet further comprises:
the control switch is used for controlling the on-off of the circuit of the automatic module;
the trigger mechanism comprises a first transmission piece and a second transmission piece;
the first transmission piece comprises a first end part and a second end part which are opposite, and the first end part and the second end part are respectively positioned at two extending ends of the first transmission piece;
the first end part is contacted with the outer peripheral surface of the load switch operating rod, or a gap is formed between the first end part and the outer peripheral surface of the load switch operating rod, the first transmission piece can move along a first direction, and the first direction is the extending direction of the first transmission piece;
the second transmission piece comprises a first matching part and a second matching part, and can rotate around the rotating axis of the second transmission piece;
when the first transmission piece moves towards the first direction, the second end portion abuts against the first matching portion, the second transmission piece is forced to rotate around the rotating shaft center along the first rotating direction, and the second matching portion is matched with the control switch.
2. The load switchgear that automatically switches operation mode according to claim 1, wherein:
the first transmission member comprises a wedge located at the first end of the first transmission member;
the wedge block comprises a matching inclined surface, the distance from the matching inclined surface to the axis of the load switch operating rod is gradually reduced along a third direction, and the third direction is the axial direction of the load switch operating rod and is a direction pointing from the outside of the load switch cabinet to the inside of the load switch cabinet.
3. The load switchgear that automatically switches operation mode according to claim 2, wherein:
the wedge block further comprises a matching plane, the matching plane is connected with the matching inclined plane, and the straight line of the extending direction of the first transmission piece is perpendicular to the matching plane;
the extending direction of the first transmission piece is perpendicular to the extending direction of the load switch operating rod;
the engagement plane contacts an outer peripheral surface of the load switch operating lever, or a space is provided between the engagement plane and the outer peripheral surface of the load switch operating lever.
4. A load switchgear cabinet according to claim 2 or 3, wherein:
the load switch operating mechanism also comprises a mounting seat and an elastic piece;
the mounting seat is fixedly arranged in the load switch cabinet;
the mounting seat comprises a mounting channel, and the extending direction of the mounting channel is the same as the extending direction of the first transmission piece;
the first transmission piece further comprises a movable rod, the movable rod is arranged in the installation channel, the extending direction of the movable rod is the same as the extending direction of the installation channel, and the movable rod can move in the installation channel along the extending direction of the first transmission piece;
the wedge block is connected with the movable rod, the movable rod and the wedge block are sequentially arranged along a second direction, and the second direction is opposite to the first direction;
the two ends of the elastic piece are respectively abutted to the mounting seat and the movable rod, the movable rod stores energy when moving in the first direction, and the elastic piece can drive the movable rod to move in the second direction when releasing the stored energy.
5. The automatic switching mode of operation load switch cabinet of claim 4, wherein:
a long sliding groove is formed in the side wall of the mounting seat and is communicated with the mounting channel, and the length direction of the sliding groove is the extending direction of the movable rod;
the movable rod further comprises a limiting part, the limiting part is arranged in the sliding groove, the movable rod drives the limiting part to slide in the sliding groove, and the limiting part is in limiting fit with the sliding groove in the extending direction of the movable rod.
6. The automatic switching mode of operation load switch cabinet of claim 4, wherein:
the extending end of the movable rod further comprises a spherical cap surface, and the spherical cap surface is positioned at the second end.
7. A load switchgear cabinet according to any of claims 1 to 3, wherein:
the load switch operating rod comprises a gear section, and the first transmission piece is located on the periphery of the gear section.
8. A load switchgear cabinet according to any of claims 1 to 3, wherein:
the control switch is a microswitch, and a moving contact of the microswitch is abutted to the second matching part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222310646.2U CN218004716U (en) | 2022-08-30 | 2022-08-30 | Load switch cabinet capable of automatically switching operation modes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222310646.2U CN218004716U (en) | 2022-08-30 | 2022-08-30 | Load switch cabinet capable of automatically switching operation modes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218004716U true CN218004716U (en) | 2022-12-09 |
Family
ID=84326350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222310646.2U Active CN218004716U (en) | 2022-08-30 | 2022-08-30 | Load switch cabinet capable of automatically switching operation modes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218004716U (en) |
-
2022
- 2022-08-30 CN CN202222310646.2U patent/CN218004716U/en active Active
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