CN115021139A - Novel 35KV armored metal alternating-current switch equipment back door interlocking mechanism - Google Patents
Novel 35KV armored metal alternating-current switch equipment back door interlocking mechanism Download PDFInfo
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- CN115021139A CN115021139A CN202210740923.5A CN202210740923A CN115021139A CN 115021139 A CN115021139 A CN 115021139A CN 202210740923 A CN202210740923 A CN 202210740923A CN 115021139 A CN115021139 A CN 115021139A
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- hook plate
- back door
- state
- plate
- rod
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
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- Power Engineering (AREA)
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Abstract
The invention is suitable for the field of self-locking switches, and provides a novel 35KV armored metal alternating-current switchgear back door interlocking mechanism which comprises a containing box, a back door and a plug board, wherein the containing box is installed on a cabinet body, the back door is rotatably installed on the cabinet body, and the plug board penetrates through the containing box and can move back and forth; the inserting plate comprises a connecting shaft and a wide plate which is connected with the connecting shaft and extends downwards; the rear door is hinged with a hook plate and two connecting rods which are positioned below the hook plate and used for supporting the hook plate; the back door is internally provided with a containing bin which is internally provided with a driving device for driving the two connecting rods to move. Therefore, the invention can utilize the two connecting rods at the dead points to support the hook plates to maintain the working state, and when the back door needs to be opened emergently, the driving mechanism is utilized to drive the two connecting rods to avoid the dead points, so that the rotating hook plates are not matched with the wide plates, and the quick emergency opening of the back door is realized.
Description
Technical Field
The invention relates to the field of self-locking switches, in particular to a novel 35KV armored metal alternating-current switch equipment back door interlocking mechanism.
Background
When the high-voltage cabinet is maintained, before a cabinet door is opened, the grounding switch needs to be switched to a closing state; when the grounding switch needs to be switched to an opening state, the cabinet door of the high-voltage cabinet must be in a closing state, and the safety of workers and equipment can be ensured; in the actual operation process, workers often paralysis and mistakenly switch the grounding switch to the opening state when the cabinet door is not closed after the cable chamber, so that the danger is extremely high, and the life safety of the workers is seriously threatened.
The back door self-locking mechanism among the prior art is after locking, when meetting emergency, when need promptly open the back door under the locking state, will be used for fastening the fastening pin of board on the back door and pull down, colludes the board whereabouts and cancel the cooperation with the picture peg, however, this can appear two problems: first, the fastening pin requires a great deal of effort to disassemble, which is inconvenient to disassemble. Secondly, the hook plate can be blocked when falling, so that the hook plate and the inserting plate can not be completely separated, and finally, the rear door can not be opened emergently.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
Disclosure of Invention
In view of the above-mentioned drawbacks, an object of the present invention is to provide a novel 35KV armored metal ac switchgear back door interlocking mechanism, which can use two connecting rods at "dead point" to support a hook plate to maintain a working state, and when the back door needs to be opened urgently, use a driving mechanism to drive the two connecting rods to avoid the "dead point" state, so that the rotating hook plate is not matched with a wide plate, and the back door is opened quickly and urgently.
In order to achieve the purpose, the invention provides a novel 35KV armored metal alternating-current switchgear back door interlocking mechanism, which comprises a containing box, a back door and a plug board, wherein the containing box is installed on a cabinet body; the plug board comprises a connecting shaft and a wide board which is connected with the connecting shaft and extends downwards; the rear door is hinged with a hook plate which can be switched between a matching state and a canceling state and two connecting rods which are positioned below the hook plate and used for supporting the hook plate; the rear door is internally provided with a containing bin, and a driving device for driving the two connecting rods to enter a canceling state from a matching state is arranged in the containing bin; the hook plate in the matching state is in a horizontal state and can be matched with the inserting plate, and the two connecting rods are positioned on the same straight line; the hook plate in the canceling state rotates downwards by a preset angle, the hook plate in the canceling state cannot be matched with the hook plate, and the preset angle is formed between the two connecting rods.
According to the novel 35KV armored metal alternating-current switch equipment back door interlocking mechanism, the driving device comprises a shifting wheel which is rotatably installed in the accommodating bin, two shifting rods are arranged on the shifting wheel, one shifting rod abuts against the connecting rod, and the other shifting rod is connected with an emergency shifting piece which can drive the shifting wheel to rotate; a handle for driving the rear door to rotate is arranged on one side of the accommodating bin; the emergency poking piece comprises a rotating wheel part rotatably arranged in the handle and a driving rod part extending upwards; the outer edge of the rotating wheel part is provided with a bulge which can be matched with the deflector rod, and the driving rod part is fixed on the side wall of the handle through a locking structure.
According to the novel 35KV armored metal alternating-current switch equipment back door interlocking mechanism, the locking structure comprises a positioning hole formed in the driving rod part and a positioning pin installed in the positioning hole;
the positioning pin penetrates through the side wall of the handle and extends out of the handle.
According to the novel 35KV armored metal alternating-current switch equipment back door interlocking mechanism, torsional springs for driving components to reset are arranged at the rotating positions of the dial wheel and the rotating wheel part of the emergency dial piece.
According to the novel 35KV armored metal alternating-current switch equipment back door interlocking mechanism, the containing bin is internally provided with the starting mechanism for preventing the positioning pin from being pulled out by mistake; the starting mechanism comprises a sleeve which is arranged in the accommodating bin and is horizontally arranged and a positioning rod which is arranged in the sleeve; the side wall of the positioning pin is provided with an inward-sunken positioning groove; one end of the positioning rod is of an annular structure capable of being matched with the positioning groove, and the other end of the positioning rod can be abutted against the wide plate; and a spring for providing pretightening force for the positioning rod is arranged between the sleeve and the positioning rod.
The invention provides a novel 35KV armored metal alternating-current switch equipment back door interlocking mechanism which comprises a containing box, a back door and a plug board, wherein the containing box is installed on a cabinet body; the inserting plate comprises a connecting shaft, a wide plate and a narrow plate which are connected with the connecting shaft and extend downwards; the rear door is hinged with a hook plate which can be switched between a matching state and a canceling state and two connecting rods which are positioned below the hook plate and used for supporting the hook plate; the rear door is internally provided with a containing bin, the hook plate in a matching state is in a horizontal state and can be matched with the inserting plate, and the two connecting rods are positioned on the same straight line; when the hook plate works normally, the hook plate is always in a matching state (the hook plate is always in a horizontal state). When the two connecting rods are in the same straight line, the two connecting rods enter a dead point state, and the hook plate in the dead point state cannot change the angle. When the electric cabinet is in a power transmission state, the inserting plate moves to enable the wide plate to move into the accommodating box and be matched with the hook plate in a memorability mode (the hook plate on the rear door is blocked by the wide plate, and the rear door cannot be opened). When the electricity cabinet was in maintenance status, the picture peg removed and makes the leptoprosopy remove to the holding box, the leptoprosopy can't cooperate with colluding the board (because the width of leptoprosopy is narrower, colluding the board and can't be caught by the leptoprosopy, the back door can normally open this moment). When an emergency state occurs in the electric cabinet, the back door needs to be opened emergently; the hook plate is driven to enter a canceling state; the hook plate in the canceling state rotates downwards by a preset angle, the hook plate in the canceling state cannot be matched with the hook plate, and the preset angle is formed between the two connecting rods. When the hook plate rotates for a preset angle, the hook plate cannot be matched with the wide plate, the hook plate after the angle is changed cannot be blocked by the wide plate, and the rear door can be opened. The invention can use two connecting rods at 'dead points' to support the hook plate to maintain the working state, and when the back door needs to be opened emergently, the driving mechanism is used to drive the two connecting rods to avoid the 'dead points' state, so that the rotating hook plate is not matched with the wide plate, and the back door can be opened quickly and emergently.
Drawings
FIG. 1 is a connection view of the receiving box and the insert plate;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a half sectional view of FIG. 2;
FIG. 4 is an enlarged top view of portion A of FIG. 3;
FIG. 5 is a structural view of a ring structure;
in the figure, 1-a containing box, 2-an inserting plate, 21-a wide plate, 22-a narrow plate, 3-a back door, 31-a handle, 4-a hook plate, 51-a connecting rod, 52-a thumb wheel, 53-an emergency poking part, 511-a rotating wheel part, 512-a driving rod part, 513-a bulge, 514-a positioning groove, 515-a bulge, 521-a poking rod, 61-a sleeve, 62-a positioning rod, 63-a spring and 64-a ring structure.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 1, 2 and 3, the invention provides a novel 35KV armored metal alternating-current switchgear back door interlocking mechanism, which comprises a containing box 1 mounted on a cabinet body, a back door 3 rotatably mounted on the cabinet body and a plug board 2 penetrating through the containing box 1 and capable of moving back and forth; the inserting plate 2 comprises a connecting shaft, and a wide plate 21 and a narrow plate 22 which are connected with the connecting shaft and extend downwards; the rear door 3 is hinged with a hook plate 4 which can be switched between a matching state and a canceling state and two connecting rods 51 which are positioned below the hook plate 4 and support the hook plate 4; a containing bin is arranged in the rear door 3, the hook plate 4 in a matching state is in a horizontal state and can be matched with the inserting plate 2, and the two connecting rods 51 are positioned on the same straight line; in normal operation, the hook plate 4 is always in a matching state (the hook plate 4 is always in a horizontal state). When the two links 51 are in the same straight line, the two links 51 enter a "dead point" state, and the hook plate 4 in this state cannot change the angle.
When the electric cabinet is in a power transmission state, the inserting plate 2 moves to enable the wide plate 21 to move into the accommodating box 1 and to be matched with the hook plate 4 in a memorable mode (the hook plate 4 on the rear door 3 is blocked by the wide plate 21, and the rear door 3 cannot be opened). When the electric cabinet is in the maintenance state, picture peg 2 removes and makes narrowband 22 remove to holding box 1, and narrowband 22 can't cooperate with colluding board 4 (because the width of narrowband 22 is narrower, colluding board 4 and can't be caught by narrowband 22, back door 3 can normally open this moment).
When the emergency state occurs in the electric cabinet, the back door 3 needs to be opened emergently; the hook plate 4 is driven to enter a canceling state; the hook plate 4 in the cancelled state is rotated downward by a predetermined angle, and the hook plate 4 in this state cannot be engaged with the hook plate 4, so that a predetermined angle is formed between the two links 51. At this time, after the hook plate 4 rotates by a predetermined angle, the hook plate 4 cannot be matched with the wide plate 21, the hook plate 4 after the angle change cannot be blocked by the wide plate 21, and the rear door 3 can be opened.
The accommodating bin is internally provided with a driving device for driving the two connecting rods 51 to enter a canceling state from a matching state;
since the hook plate 4 in the engaged state is supported by the two links 51 in the "dead point" state, the hook plate 4 can be brought into the rotatably cancelled state only by driving the two links 51 to avoid the "dead point" state.
The driving device comprises a shifting wheel 52 which is rotatably arranged in the accommodating bin, two shifting rods 521 are arranged on the shifting wheel 52, one shifting rod 521 abuts against the connecting rod 51, and the other shifting rod 521 is connected with an emergency shifting piece 53 which can drive the shifting wheel 52 to rotate; when the emergency toggle piece 53 is driven to rotate the thumb wheel 52, the rotated thumb wheel 52 pushes the links 51 to change the angle by the toggle lever 521, and when one of the links 51 changes the angle, the two links 51 avoid the "dead point" state.
A handle 31 for driving the rear door 3 to rotate is arranged on one side of the accommodating bin; the emergency poking part 53 comprises a rotating wheel part 511 rotatably mounted in the handle 31 and a driving rod part 512 extending upwards; the outer edge of the rotating wheel portion 511 is provided with a protrusion 515 capable of cooperating with a shift lever 521, and the driving lever portion 512 is fixed on the sidewall of the handle 31 through a locking structure. When the emergency toggle member 53 is actuated, the locking mechanism is first unlocked, the actuating lever 512 is pushed to rotate the rotating wheel 511, and the rotating wheel 511 pushes the toggle wheel 52 to rotate by the protrusion 515 (the rotating protrusion 515 pushes the toggle lever 521 to rotate).
Preferably, a torsion spring (not shown) for returning the driving member is provided at each of the turning positions of the wheel 52 and the wheel portion 511 of the emergency driver 53. The external force drives the rotating wheel portion 511 of the emergency toggle piece 53 to rotate, the rotating wheel portion 511 drives the toggle wheel 52 to rotate, and the rotated toggle wheel 52 and the emergency toggle piece 53 are reset by the torsion spring.
The locking structure comprises a positioning hole arranged on the driving rod part 512 and a positioning pin 513 arranged in the positioning hole; the positioning pin 513 penetrates through the sidewall of the handle 31 and extends out of the handle 31. When the locking structure is in a locked state, the driving rod part 512 is locked by the positioning pin 513, and the driving rod part 512 cannot be driven to rotate by external force. When the emergency poking part 53 needs to be rotated, the positioning pin 513 is pulled out, and the driving rod part 512 is in a pokable state.
Referring to fig. 3, 4 and 5, a starting mechanism for preventing the positioning pin 513 from being pulled out by mistake is installed in the accommodating bin; the starting mechanism comprises a sleeve 61 which is arranged in the accommodating bin and is horizontally arranged and a positioning rod 62 which is arranged in the sleeve 61, and the positioning rod 62 can move along the axial direction of the sleeve 61; an inward-recessed positioning groove 514 is formed in the side wall of the positioning pin 513; one end of the positioning rod 62 is an annular structure 64 capable of being matched with the positioning groove 514 (an inner edge of one side of the annular structure 64 can be clamped into the positioning groove 514), and the other end of the positioning rod can be abutted against the wide plate 21; a spring 63 for providing pretightening force to the positioning rod 62 is arranged between the sleeve 61 and the positioning rod 62. When the positioning rod 62 can be realized that the rear door 3 is in the open state, the positioning pin 513 cannot be pulled out, and when the electric cabinet is in the power transmission state, the positioning pin 513 can be pulled out.
When the electric cabinet is in a power transmission state, the wide plate 21 is matched with the positioning rod 62 (the wide plate 21 pushes the positioning rod 62 to move leftward), the annular structure moving leftward is not matched with the positioning groove 514 (at this time, the positioning pin 513 is completely arranged in the annular structure, and the inner edge of one side of the annular structure cannot be clamped into the positioning groove 514), and at this time, the positioning pin 513 can be pulled out.
When the maintenance state is performed, the wide plate 21 cannot be matched with the positioning rod 62, the positioning rod 62 is positioned at the right end under the pushing action of the spring 63, at the moment, the inner edge of one side of the annular structure cannot be clamped into the positioning groove 514, and the positioning pin 513 cannot be pulled out. Since the rear door 3 is in an openable state in the maintenance state, it is not necessary to pull out the positioning pin 513 for emergency starting.
In this example, when the back door requires emergency starting;
firstly, the positioning pin 513 is pulled out, and the emergency poking piece is in a movable state;
subsequently, the external force drives the emergency poking member 53 to rotate, the rotating emergency poking member 53 drives the poking wheel 52 to rotate, the poking wheel 52 drives the two connecting rods 51 to avoid the 'dead point' state, and then the hook plate 4 is continuously driven to rotate downwards. The hook plate 4 which rotates is not matched with the wide plate 21, and the rear door can be opened.
In summary, the invention provides a novel 35KV armored metal alternating current switchgear back door interlocking mechanism, which comprises a containing box installed on a cabinet body, a back door rotatably installed on the cabinet body, and a plug board penetrating through the containing box and capable of moving back and forth; the inserting plate comprises a connecting shaft, a wide plate and a narrow plate which are connected with the connecting shaft and extend downwards; the rear door is hinged with a hook plate which can be switched between a matching state and a canceling state and two connecting rods which are positioned below the hook plate and used for supporting the hook plate; the rear door is internally provided with a containing bin, the hook plate in a matching state is in a horizontal state and can be matched with the inserting plate, and the two connecting rods are positioned on the same straight line; when the hook plate works normally, the hook plate is always in a matching state (the hook plate is always in a horizontal state). When the two connecting rods are in the same straight line, the two connecting rods enter a dead point state, and the hook plate in the dead point state cannot change the angle. When the electric cabinet is in a power transmission state, the inserting plate moves to enable the wide plate to move into the accommodating box and be matched with the hook plate in a memorability mode (the hook plate on the rear door is blocked by the wide plate, and the rear door cannot be opened). When the electric cabinet is in the maintenance state, the picture peg removes and makes the leptoprosopy remove to the holding box, and the leptoprosopy can't cooperate with colluding the board (because the width of leptoprosopy is narrower, collude the board and can't be caught on by the leptoprosopy, the back door can normally open this moment). When an emergency state occurs in the electric cabinet, the back door needs to be opened emergently; the hook plate is driven to enter a canceling state; the hook plate in the canceling state rotates downwards by a preset angle, the hook plate in the canceling state cannot be matched with the hook plate, and the preset angle is formed between the two connecting rods. At the moment, after the hook plate rotates for a preset angle, the hook plate cannot be matched with the wide plate, the hook plate after the angle is changed cannot be blocked by the wide plate, and the rear door can be opened. The invention can utilize the two connecting rods at the dead point to support the hook plate to maintain the working state, and when the back door needs to be opened emergently, the driving mechanism is utilized to drive the two connecting rods to avoid the dead point state, so that the rotating hook plate is not matched with the wide plate, and the quick emergency opening of the back door is realized.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (5)
1. A novel 35KV armored metal alternating-current switch equipment rear door interlocking mechanism is characterized by comprising a containing box arranged on a cabinet body, a rear door rotatably arranged on the cabinet body and a plug board penetrating through the containing box and capable of moving back and forth; the plug board comprises a connecting shaft and a wide board which is connected with the connecting shaft and extends downwards;
the rear door is hinged with a hook plate which can be switched between a matching state and a canceling state and two connecting rods which are positioned below the hook plate and used for supporting the hook plate; the rear door is internally provided with a containing bin, and a driving device for driving the two connecting rods to enter a canceling state from a matching state is arranged in the containing bin;
the hook plate in the matching state is in a horizontal state and can be matched with the inserting plate, and the two connecting rods are positioned on the same straight line;
the hook plate in the canceling state rotates downwards by a preset angle, the hook plate in the canceling state cannot be matched with the hook plate, and the preset angle is formed between the two connecting rods.
2. The novel 35KV armored metal alternating-current switch equipment back door interlocking mechanism is characterized in that the driving device comprises a shifting wheel which is rotatably installed in the accommodating bin, two shifting rods are arranged on the shifting wheel, one shifting rod abuts against the connecting rod, and the other shifting rod is connected with an emergency shifting piece which can drive the shifting wheel to rotate;
a handle for driving the rear door to rotate is arranged on one side of the accommodating bin;
the emergency poking piece comprises a rotating wheel part rotatably arranged in the handle and a driving rod part extending upwards; the outer edge of the rotating wheel part is provided with a bulge which can be matched with the deflector rod, and the driving rod part is fixed on the side wall of the handle through a locking structure.
3. The novel 35KV armored metal alternating-current switch equipment rear door interlocking mechanism is characterized in that the locking structure comprises a positioning hole formed in the driving rod part and a positioning pin arranged in the positioning hole;
the positioning pin penetrates through the side wall of the handle and extends out of the handle.
4. The novel 35KV metal-clad AC switchgear back door interlocking mechanism according to claim 2 or 3, wherein the rotating parts of the thumb wheel and the emergency poking part are provided with torsion springs for resetting the driving members.
5. The novel 35KV armored metal AC switchgear back door interlocking mechanism according to claim 3, wherein a starting mechanism for preventing the positioning pin from being pulled out by mistake is installed in the accommodating bin;
the starting mechanism comprises a sleeve which is arranged in the accommodating bin and is horizontally arranged and a positioning rod which is arranged in the sleeve; the side wall of the positioning pin is provided with an inward-sunken positioning groove; one end of the positioning rod is of an annular structure capable of being matched with the positioning groove, and the other end of the positioning rod can be abutted against the wide plate;
and a spring for providing pretightening force for the positioning rod is arranged between the sleeve and the positioning rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210740923.5A CN115021139A (en) | 2022-06-27 | 2022-06-27 | Novel 35KV armored metal alternating-current switch equipment back door interlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210740923.5A CN115021139A (en) | 2022-06-27 | 2022-06-27 | Novel 35KV armored metal alternating-current switch equipment back door interlocking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115021139A true CN115021139A (en) | 2022-09-06 |
Family
ID=83076338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210740923.5A Pending CN115021139A (en) | 2022-06-27 | 2022-06-27 | Novel 35KV armored metal alternating-current switch equipment back door interlocking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115021139A (en) |
-
2022
- 2022-06-27 CN CN202210740923.5A patent/CN115021139A/en active Pending
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