CN214625737U - Grounding knife mechanism with locking function and high-voltage switch cabinet applying grounding knife mechanism - Google Patents
Grounding knife mechanism with locking function and high-voltage switch cabinet applying grounding knife mechanism Download PDFInfo
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- CN214625737U CN214625737U CN202120780487.5U CN202120780487U CN214625737U CN 214625737 U CN214625737 U CN 214625737U CN 202120780487 U CN202120780487 U CN 202120780487U CN 214625737 U CN214625737 U CN 214625737U
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- grounding switch
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Abstract
The utility model discloses a grounding knife mechanism with locking function and a high-voltage switch cabinet applying the same, wherein the grounding knife mechanism comprises a grounding knife operating hole, a grounding knife operating shaft and a locking assembly, the locking assembly comprises a first lock plate which is rotatably arranged on the high-voltage switch cabinet and a locking piece which is used for locking or unlocking the first lock plate and the high-voltage switch cabinet relatively; the first lock plate has a locking position and an unlocking position, and when the first lock plate is in the locking position, the first lock plate is parallel to the outer wall of the high-voltage switch cabinet and is shielded on the grounding switch operating hole; when the first locking plate is in the unlocking position, the first locking plate is separated from the grounding switch operating hole and is perpendicular to the outer wall of the high-voltage switch cabinet. The utility model discloses an earthing knife mechanism through the setting of first jam plate, thereby can shelter from the insertion of earthing knife handle hole prevention earthing knife operating axis after earthing knife mechanism divide-shut brake finishes, has avoided the maloperation to earthing knife mechanism, has stopped the incident.
Description
Technical Field
The utility model relates to a grounding switch mechanism and use its high tension switchgear with locking function.
Background
The grounding knife mechanism is a safety interlocking mechanism which is arranged in a high-voltage switch cabinet and replaces a grounding wire, and mainly has the functions of short-circuiting an outlet wire on the equipment load side during the power failure maintenance of the equipment, preventing electric shock accidents caused by sudden power on in the maintenance process and protecting the safety of maintenance operators, equipment and systems; meanwhile, the grounding knife mechanism can also discharge residual charges, and is more favorable for maintenance safety.
The existing grounding knife mechanism is generally provided with an interlocking baffle between the existing grounding knife mechanism and an outgoing line breaker and a shell of equipment, the baffle can block a grounding knife operation hole when the switch is switched off, the phenomenon that the grounding knife is switched on by mistake or switched off by mistake when the switch is operated by mistake can be prevented under normal conditions, but misoperation can also happen occasionally, and electric shock accidents are caused to occur.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome prior art, provides a grounding knife mechanism with locking function.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a grounding switch mechanism with a locking function is installed on a high-voltage switch cabinet and comprises a grounding switch operating hole formed in the outer wall of the high-voltage switch cabinet and a grounding switch operating shaft used for being matched with the grounding switch operating hole to perform switching-on and switching-off operation of the grounding switch mechanism, the grounding switch mechanism further comprises a locking assembly located on one side of the grounding switch operating hole, and the locking assembly comprises a first locking plate and a locking piece, wherein the first locking plate is rotatably arranged on the high-voltage switch cabinet, and the locking piece is used for locking or unlocking the first locking plate and the high-voltage switch cabinet relatively;
the first lock plate has a locking position and an unlocking position, and when the first lock plate is in the locking position, the first lock plate is parallel to the outer wall of the high-voltage switch cabinet and is shielded on the grounding switch operating hole; when the first locking plate is located at the unlocking position, the first locking plate is separated from the grounding switch operating hole and is perpendicular to the outer wall of the high-voltage switch cabinet.
Preferably, the rotation axis of the first lock plate extends in the vertical direction, and the ground blade operating hole is located on one side of the first lock plate in the horizontal direction.
Preferably, the locking piece is including seting up in locking mouth on the first jam plate, locating on the first jam plate and being located the second jam plate of locking mouth lateral part, locating cooperation board on the high tension switchgear, work as when first jam plate is in the latched position, cooperation board can wear to locate in the locking mouth and with the second jam plate is laminated mutually, the locking piece still including be used for with the second jam plate with the tool to lock that cooperation board relatively locked and unblock.
Further preferably, the second lock plate is perpendicular to the first lock plate, and the mating plate is perpendicular to an outer wall of the high-voltage switch cabinet.
Further preferably, the lock is a padlock, and the second lock plate and the mating plate are respectively provided with a lock hole which is matched with the padlock.
Preferably, earthing knife mechanism still includes mobilizable locating the baffle of earthing knife handle hole lateral part, the baffle have shelter from in first position on the earthing knife handle hole and break away from the second position of earthing knife handle hole, seted up on the first jam plate respectively with first position with the corresponding first spacing mouth of second and the spacing mouth of second in second position, work as when first baffle is in latched position, the baffle can wear to locate first spacing mouth or in the spacing mouth of second.
Further preferably, the locking assembly further comprises an observation port, two ends of the observation port are respectively communicated with the first limiting port and the second limiting port, and the caliber of the observation port is smaller than the calibers of the first limiting port and the second limiting port.
Preferably, the locking assembly further comprises a fixing plate for connecting with the outer wall of the high-voltage switch cabinet, and the first locking plate is hinged to the fixing plate.
An object of the utility model is to provide an use the high tension switchgear of foretell earthing switch mechanism.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a high tension switchgear, includes the cabinet body, its characterized in that: the high-voltage switch cabinet also comprises the grounding switch mechanism arranged on the cabinet body.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses an earthing knife mechanism through the setting of first jam plate, thereby can shelter from the insertion of earthing knife handle hole prevention earthing knife operating axis after earthing knife mechanism divide-shut brake finishes, has avoided the maloperation to earthing knife mechanism, has stopped the incident.
Drawings
Fig. 1 is a schematic structural diagram of a grounding switch mechanism when a first lock plate is in a locked position according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the grounding switch mechanism when the first lock plate is in the unlocking position according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a high voltage switch cabinet with a grounding switch mechanism according to an embodiment of the present invention.
In the figure: 1. a first lock plate; 2. a locking member; 2a, a locking opening; 2b, a second locking plate; 2c, a matching plate; 2d, locking holes; 3. a first limit port; 4. a second limit port; 5. a viewing port; 6. a fixing plate;
30. a cabinet body; 31. a grounding knife operation hole; 32. a baffle plate;
s, a grounding knife mechanism.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
The utility model relates to a to the improvement of earthing knife mechanism, earthing knife mechanism S after the improvement, through the setting of first jam plate 1, thereby can shelter from the insertion of earthing knife handle hole 31 prevention earthing knife operating axis after earthing knife mechanism S divide-shut brake finishes, avoided the maloperation to earthing knife mechanism S, stopped the incident.
Referring to fig. 1-3, a high voltage switch cabinet is shown, which includes a cabinet body 30, a grounding switch mechanism S disposed on the cabinet body 30, wherein the grounding switch mechanism S includes a grounding switch operation hole 31 disposed on an outer wall of the high voltage switch cabinet, a grounding switch operation shaft (not shown in the figure) for performing switching operation of the grounding switch mechanism S in cooperation with the grounding switch operation hole 31, and a locking assembly disposed on one side of the grounding switch operation hole 31, and the locking assembly includes a first locking plate 1 rotatably disposed on the high voltage switch cabinet, and a locking member 2 for locking or unlocking the first locking plate 1 and the high voltage switch cabinet relatively. Wherein, the rotation axis of the first lock plate 1 extends along the up-and-down direction, and the ground knife operating hole 31 is positioned at one side of the first lock plate 1 in the horizontal direction.
In this example, the first locking plate 1 has a locking position and an unlocking position, and as shown in fig. 1, when the first locking plate 1 is in the locking position, the first locking plate 1 is parallel to the outer wall of the high-voltage switch cabinet and is shielded on the grounding switch operating hole 31; referring to fig. 2, when the first locking plate 1 is in the unlocking position, the first locking plate 1 is separated from the grounding switch operating hole 31 and is perpendicular to the outer wall of the high voltage switch cabinet. Therefore, after the opening and closing of the switch are finished, only the first lock plate 1 needs to be rotated to the locking position and shields the grounding switch operating hole 31, and meanwhile, the first lock plate 1 and the high-voltage switch cabinet are locked relatively by the locking piece 2, so that the occurrence of misoperation can be thoroughly avoided; when the switch is required to be switched on and switched off, the switch-off operation can be completed by freely inserting the grounding switch operating shaft into the grounding switch operating hole 31 only by unlocking the locking piece 2 and rotating the first locking plate 1 to the unlocking position.
Further, referring to fig. 1 again, the locking member 2 includes a locking opening 2a opened on the first locking plate 1, a second locking plate 2b disposed on the first locking plate 1 and located at a side of the locking opening 2a, and a matching plate 2c disposed on the high voltage switch cabinet, wherein the second locking plate 2b is perpendicular to the first locking plate 1, and the matching plate 2c is perpendicular to an outer wall of the high voltage switch cabinet. When the first locking plate 1 is in the locking position, the matching plate 2c can penetrate through the locking opening 2a and is attached to the second locking plate 2b, and the locking member 2 further comprises a lock (not shown in the figure) for locking and unlocking the second locking plate 2b and the matching plate 2c relatively. Through the tool to lock with second jam plate 2b and cooperation board 2c relative locking, can lock first jam plate 1 and cubical switchboard body 30, avoid the maloperation.
The lock is a padlock which is purchased from other places, and the second lock plate 2b and the matching plate 2c are respectively provided with a lock hole 2d matched with the padlock.
The grounding switch mechanism S further includes a movable baffle 32 disposed at a side of the grounding switch operation hole 31, and the baffle 32 has a first position covering the grounding switch operation hole 31 and a second position separated from the grounding switch operation hole 31. The shutter 32 is a mechanical interlock shutter 32, which can interlock with the ground switch mechanism S, and when the ground switch mechanism S is opened, the shutter 32 is located at the first position and can block the ground switch operating hole 31, and when the ground switch mechanism S is closed, the shutter 32 is located at the second position and is separated from the ground switch operating hole 31. The specific structure of the baffle 32 is conventional and will not be described herein.
The innovation points of the embodiment are as follows: referring to fig. 1, the first locking plate 1 is provided with a first limiting opening 3 and a second limiting opening 4 corresponding to the first position and the second position, respectively, and when the first baffle 32 is located at the locking position, the baffle 32 can penetrate through the first limiting opening 3 or the second limiting opening 4. Therefore, the first limiting port 3 and the second limiting port 4 can accommodate the baffle 32, and after the grounding switch mechanism S is switched on and off, no matter the baffle 32 is in the first position or the second position, the relative locking between the first locking plate 1 and the high-voltage switch cabinet is not influenced; meanwhile, the first limiting port 3 and the second limiting port 4 can also play a role in limiting the baffle 32, and the influence on the normal operation of the grounding knife mechanism S caused by mistakenly pushing the baffle 32 is avoided.
Furthermore, the locking assembly further comprises an observation port 5, two ends of the observation port are respectively communicated with the first limiting port 3 and the second limiting port 4, and the caliber of the observation port 5 is smaller than the calibers of the first limiting port 3 and the second limiting port 4. Through the arrangement of the observation port 5, the effect of observing the switching-on and switching-off conditions can be achieved without influencing the shielding of the grounding knife operation hole 31.
The locking assembly further comprises a fixing plate 6 connected with the outer wall of the high-voltage switch cabinet, the fixing plate 6 is connected with the outer wall of the high-voltage switch cabinet through bolts, and the first locking plate 1 is hinged to the fixing plate 6.
The following specifically explains the working process of this embodiment: after the opening and closing of the switch are finished, the first lock plate 1 is rotated to a locking position, the first lock plate 1 blocks the grounding knife operation hole 31, the baffle 32 is inserted into the first limiting hole 3 or the second limiting hole 4, the second lock plate 2b is attached to the matching plate 2c, and at the moment, a padlock penetrates into the second lock plate 2b and a lock catch on the matching plate 2c and is locked, so that the locking is realized;
when the switch is required to be switched on and switched off, the padlock is unlocked, then the first lock plate 1 is rotated to the unlocking position, and the grounding knife operating shaft can be freely inserted to complete the switch-on operation.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (9)
1. The utility model provides a grounding switch mechanism with locking function, installs on high tension switchgear, including offer in the grounding switch handle hole of high tension switchgear outer wall, be used for with the cooperation of grounding switch handle hole is gone on the grounding switch operating axis of divide-shut brake operation of grounding switch mechanism, its characterized in that: the grounding switch mechanism further comprises a locking assembly positioned on one side of the grounding switch operating hole, and the locking assembly comprises a first locking plate which is rotatably arranged on the high-voltage switch cabinet and a locking piece which is used for locking or unlocking the first locking plate and the high-voltage switch cabinet relatively;
the first lock plate has a locking position and an unlocking position, and when the first lock plate is in the locking position, the first lock plate is parallel to the outer wall of the high-voltage switch cabinet and is shielded on the grounding switch operating hole; when the first locking plate is located at the unlocking position, the first locking plate is separated from the grounding switch operating hole and is perpendicular to the outer wall of the high-voltage switch cabinet.
2. A grounding switch mechanism with locking function as claimed in claim 1, wherein: the rotation axis of the first lock plate extends along the up-and-down direction, and the grounding knife operation hole is located on one side of the first lock plate in the horizontal direction.
3. A grounding switch mechanism with locking function as claimed in claim 1, wherein: the locking piece is including seting up in locking mouth on the first jam plate, locating just be located on the first jam plate the second jam plate of locking mouth lateral part, locating cooperation board on the high tension switchgear works as when first jam plate is in the latched position, the cooperation board can wear to locate in the locking mouth and with the second jam plate is laminated mutually, the locking piece still including be used for with the second jam plate with the tool to lock of cooperation board relative locking and unblock.
4. A grounding switch mechanism with locking function as claimed in claim 3, wherein: the second lock plate is perpendicular to the first lock plate, and the matching plate is perpendicular to the outer wall of the high-voltage switch cabinet.
5. A grounding switch mechanism with locking function as claimed in claim 3, wherein: the lockset is a padlock, and the second locking plate and the matching plate are respectively provided with a locking hole matched with the padlock.
6. A grounding switch mechanism with locking function as claimed in claim 1, wherein: earthing sword mechanism still includes mobilizable locating the baffle of earthing sword handle hole lateral part, the baffle have shelter from in first position on the earthing sword handle hole and break away from the second position of earthing sword handle hole, seted up on the first jam plate respectively with first position with the corresponding first spacing mouth of second and the spacing mouth of second position, work as when first jam plate is in latched position, the baffle can wear to locate first spacing mouth or in the spacing mouth of second.
7. A grounding switch mechanism with locking function as claimed in claim 6, wherein: the locking assembly further comprises an observation port, two ends of the observation port are respectively communicated with the first limiting port and the second limiting port, and the caliber of the observation port is smaller than the calibers of the first limiting port and the second limiting port.
8. A grounding switch mechanism with locking function as claimed in claim 1, wherein: the locking assembly further comprises a fixing plate connected with the outer wall of the high-voltage switch cabinet, and the first locking plate is hinged to the fixing plate.
9. The utility model provides a high tension switchgear, includes the cabinet body, its characterized in that: the high-voltage switch cabinet also comprises a grounding switch mechanism which is arranged on the cabinet body and is defined in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120780487.5U CN214625737U (en) | 2021-04-16 | 2021-04-16 | Grounding knife mechanism with locking function and high-voltage switch cabinet applying grounding knife mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120780487.5U CN214625737U (en) | 2021-04-16 | 2021-04-16 | Grounding knife mechanism with locking function and high-voltage switch cabinet applying grounding knife mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214625737U true CN214625737U (en) | 2021-11-05 |
Family
ID=78403108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120780487.5U Active CN214625737U (en) | 2021-04-16 | 2021-04-16 | Grounding knife mechanism with locking function and high-voltage switch cabinet applying grounding knife mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214625737U (en) |
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2021
- 2021-04-16 CN CN202120780487.5U patent/CN214625737U/en active Active
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