CN105680337A - Emergency unlocking mechanism of high-voltage switchgear assembly rear door - Google Patents
Emergency unlocking mechanism of high-voltage switchgear assembly rear door Download PDFInfo
- Publication number
- CN105680337A CN105680337A CN201610235192.3A CN201610235192A CN105680337A CN 105680337 A CN105680337 A CN 105680337A CN 201610235192 A CN201610235192 A CN 201610235192A CN 105680337 A CN105680337 A CN 105680337A
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- China
- Prior art keywords
- lock box
- emergency
- shell fragment
- trip lever
- emergency release
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Classifications
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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
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention provides an emergency unlocking mechanism of a high-voltage switchgear assembly rear door. The emergency unlocking mechanism comprises a lock catch and a lock box. A locking mechanism used for locking the lock catch is arranged in the lock box. The locking mechanism comprises a U-shaped lock hook and a lock rod. The other end of the lock rod is connected an electromagnetic driving cylinder used for driving the other end of the lock rod to rotate. A power supply box is arranged in the lock box. The power supply box is externally connected with a first contact elastic sheet. The electromagnetic driving cylinder is connected with a second contact elastic sheet. A switchgear body is provided with an emergency unlocking hole. An unlocking rod is sliding arranged at an inner edge of the emergency unlocking hole. A conductive block is arranged on one end part of the unlocking rod, and an operation head part is arranged on the other end. An operation groove is formed in the operation head part. A limiting part is arranged in the emergency unlocking hole. The unlocking rod is inserted in a through hole of the limiting part. A reset spring is arranged on the unlocking rod. The reset spring is arranged between the operation head part and the limiting part. A positioning structure is arranged between the operation head part and the emergency unlocking hole. According to the invention, emergency unlocking is realized, and the structure is simple.
Description
Technical field
The present invention relates to high-voltage complete switch equipment, particularly to the emergency unlocking mechanism at a kind of high-voltage complete switch equipment back door.
Background technology
High-tension switch cabinet refers to and generates electricity for power system, transmission of electricity, distribution, electric energy conversion and consumption play break-make, control or protection etc. acts on, high-tension switch cabinet is by making the electric pressure electric equipment products at 3.6kV ~ 550kV, high-tension switch cabinet is generally divided into four rooms, what be wherein positioned at bottom is cable vault, and cable vault is provided with earthing line device for power, between this earthing line device for power and door-plate of cable vault, interlock is set, interlock of the prior art is, holding section on locking plate is engaged in the groove on locking bar, then key and lockhole double-linked cam (being arranged in the inwall of Electric Appliance Cabinet) are utilized, locking bar is driven up, make the holding section on locking plate, enter into the Access Division on locking bar, just the locking function of door-plate and cable vault is achieved, after realizing locking, only when earthing line device for power is in "on" position, locking bar could be driven to move down by key and lockhole, disengaging Access Division, holding section is entered in groove be unlocked, so that door-plate is opened, after otherwise key inserts lockhole, cannot rotate that (interlock is locked by lockhole, cause that key cannot rotate after inserting lockhole), namely cannot unlock, therefore operator can obtain safety guarantee, but when certain electric device in earthing line device for power goes wrong, earthing line device for power cause when cannot be opened, and then the door-plate lock also resulting in cable vault cannot be disengaged so that door-plate can not be opened, so if the cable encountered in cable vault breaks down, when needing emergency maintenance, only with some extreme modes (as, lock body is damaged) door-plate opens, then keep in repair.
Summary of the invention
It is an object of the invention to overcome the deficiency of above-mentioned technology, thus providing the emergency unlocking mechanism at a kind of high-voltage complete switch equipment back door, it is possible to carry out emergency release, and simple in construction.
Invention be employed technical scheme comprise that such: the emergency unlocking mechanism at high-voltage complete switch equipment back door, it is arranged at switch cabinet body and rotation is arranged between the cabinet door in switch cabinet body, including the snap close being fixedly installed on described cabinet door, the lock box being fixedly installed in described switch cabinet body, described lock box offers the lockhole matched with described snap close, the locking mechanism locked by described snap close it is provided with in described lock box
Described locking mechanism includes rotating the U-shape lock hook being arranged in described lock box and matching with described snap close, rotate the locking bar being arranged in described lock box, described U-shape lock hook just to described lockhole and and described lock box between be provided with reduction torsion spring, one sidepiece of described U-shape lock hook extends to form hook portion, one end of described locking bar has the sizing hook matched with described hook portion, the other end of described locking bar is connected to the Electromagnetic Drive cylinder driving the described locking bar other end to rotate, the power pack that promising described Electromagnetic Drive cylinder is powered is set in described lock box, described power pack is externally connected with the first contact shell fragment, described Electromagnetic Drive cylinder is connected to the second contact shell fragment, described switch cabinet body offers the emergency release hole of intracavity inter-connection with described lock box, slide axially along it in described emergency release hole and be provided with trip lever, described trip lever one end is provided with the conducting block so that described first contact shell fragment is connected with described second contact shell fragment, described trip lever is cylindrical, described conducting block is rectangular, described trip lever rotates with described conducting block and is connected, the other end of described trip lever is provided with operation head, described operation head has the operation groove matched with screwdriver, it is provided with limiting section in described emergency release hole, described trip lever is inserted in the perforation of described limiting section, described trip lever is provided with back-moving spring, described back-moving spring is between described operation head and described limiting section,
It is provided with location structure between described operation head and described emergency release hole.
Improve further: described location structure include being symmetricly set in described operation head both sides spacing preiection, along described emergency release hole the guide channel axially offered and be connected with described emergency release hole, be opened in described emergency release bore ends and arc guide groove that the end with described guide channel is connected.
Improve further: described switch cabinet body is provided with the rubber blocking for being blocked in described emergency release hole.
Improve further: between the upper end of described first contact shell fragment and described second contact shell fragment, be respectively arranged with the guide frame being easy to the insertion of described conducting block between the two.
Improve further: described guide frame is the guide plate arranged in herringbone.
By adopting preceding solution, the invention has the beneficial effects as follows: by arranging standby power pack in lock box, the the first contact shell fragment connected on power pack under normal condition departs from the second contact shell fragment on Electromagnetic Drive cylinder, when occurring occurring in switch cubicle the state of emergency, when cabinet door cannot be opened, now can pass through to use screwdriver rotating operation head, after making spacing preiection alignment guide passage, slip trip lever, make conducting block by the first contact shell fragment and the second contact shell fragment connection, power pack realizes the power supply to Electromagnetic Drive cylinder, Electromagnetic Drive cylinder drives locking bar to rotate, sizing hook is made to depart from hook portion, such that it is able to cabinet door is opened, easy to operate facilitate emergency release.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention;
Fig. 2 is operation head top view.
Wherein: 1, snap close; 2, lock box; 3, U-shape lock hook; 4, locking bar; 5, hook portion; 6, sizing hook; 7, Electromagnetic Drive cylinder; 8, power pack; 9, the first contact shell fragment; 10, the second contact shell fragment; 11, emergency release hole; 12, trip lever; 13, conducting block; 14, operation head; 15, operation groove; 16, limiting section; 17, back-moving spring; 18, spacing preiection; 19, guide channel; 20, arc guide groove; 21, rubber blocking; 22, guide plate.
Detailed description of the invention
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the emergency unlocking mechanism at a kind of high-voltage complete switch equipment back door of disclosure, it is arranged at switch cabinet body and rotation is arranged between the cabinet door in switch cabinet body, including the snap close 1 being fixedly installed on described cabinet door, the lock box 2 being fixedly installed in described switch cabinet body, described lock box 2 offers the lockhole matched with described snap close 1, the locking mechanism locked by described snap close 1 it is provided with in described lock box 2
Described locking mechanism includes rotating the U-shape lock hook 3 being arranged in described lock box 2 and matching with described snap close 1, rotate the locking bar 4 being arranged in described lock box 2, described U-shape lock hook 3 just to described lockhole and and described lock box 2 between be provided with reduction torsion spring, one sidepiece of described U-shape lock hook 3 extends to form hook portion 5, one end of described locking bar 4 has the sizing hook 6 matched with described hook portion 5, the other end of described locking bar 4 is connected to the Electromagnetic Drive cylinder 7 driving described locking bar 4 other end to rotate, the power pack 8 of promising described Electromagnetic Drive cylinder 7 power supply is set in described lock box 2, described power pack 8 is externally connected with the first contact shell fragment 9, described Electromagnetic Drive cylinder 7 is connected to the second contact shell fragment 10, described switch cabinet body offers the emergency release hole 11 of intracavity inter-connection with described lock box 2, slide axially along it in described emergency release hole 11 and be provided with trip lever 124, described trip lever 124 one end is provided with the conducting block 13 so that described first contact shell fragment 9 is connected with described second contact shell fragment 10, described trip lever 124 is cylindrical, described conducting block 13 is rectangular, described trip lever 124 rotates with described conducting block 13 and is connected, the other end of described trip lever 124 is provided with operation head 14, described operation head 14 has the operation groove 15 matched with screwdriver, it is provided with limiting section 16 in described emergency release hole 11, described trip lever 124 is inserted in the perforation of described limiting section 16, described trip lever 124 is provided with back-moving spring 17, described back-moving spring 17 is between described operation head 14 and described limiting section 16,
It is provided with location structure between described operation head 14 and described emergency release hole 11.
Operation principle: by arranging standby power pack 8 in lock box 2, the the first contact shell fragment 9 connected on power pack 8 under normal condition departs from the second contact shell fragment 10 on Electromagnetic Drive cylinder 7, when occurring occurring in switch cubicle the state of emergency, when cabinet door cannot be opened, now can pass through to use screwdriver rotating operation head 14, after making spacing preiection 18 alignment guide passage 19, slip trip lever 124, first contact shell fragment 9 is connected by conducting block 13 with the second contact shell fragment 10, power pack 8 realizes the power supply to Electromagnetic Drive cylinder 7, Electromagnetic Drive cylinder 7 drives locking bar 4 to rotate, sizing hook 6 is made to depart from hook portion 5, such that it is able to cabinet door is opened, easy to operate facilitate emergency release.
The present embodiment is preferred embodiment, described location structure includes the spacing preiection 18 being symmetricly set in described operation head 14 both sides, the guide channel 19 axially offered and be connected with described emergency release hole 11 along described emergency release hole 11, it is opened in described end, emergency release hole 11 and arc guide groove 20 that the end with described guide channel 19 is connected, during emergency release, only first operation head 14 is rotated, trip lever 124 could be promoted to slide after making spacing preiection 18 alignment guide passage 19, so that conducting block 13 moves, under normal condition, trip lever 124 cannot be made to move, prevent maloperation from producing.
So that emergency release hole 11 can be hidden, it is prevented that maloperation produces, described switch cabinet body is provided with the rubber blocking 21 for being blocked in described emergency release hole 11.
For the gap preventing conducting block 13 cannot be directed between the first contact shell fragment 9 and the second contact shell fragment 10 in sliding process, cause and both cannot be connected electric conduction phenomena, being respectively arranged with between the upper end of described first contact shell fragment 9 and described second contact shell fragment 10 and be easy to described conducting block 13 and insert guide frame between the two, described guide frame is the guide plate 22 arranged in herringbone.
The ultimate principle of the present invention and principal character and advantage thereof have more than been shown and described; skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and explanation is that principles of the invention is described; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications; these changes and improvements both fall within the claimed scope of the invention, and claimed scope is defined by appending claims and equivalent thereof.
Claims (5)
1. the emergency unlocking mechanism at high-voltage complete switch equipment back door, it is arranged at switch cabinet body and rotation is arranged between the cabinet door in switch cabinet body, it is characterized in that: include the snap close being fixedly installed on described cabinet door, the lock box being fixedly installed in described switch cabinet body, described lock box offers the lockhole matched with described snap close, the locking mechanism locked by described snap close it is provided with in described lock box
Described locking mechanism includes rotating the U-shape lock hook being arranged in described lock box and matching with described snap close, rotate the locking bar being arranged in described lock box, described U-shape lock hook just to described lockhole and and described lock box between be provided with reduction torsion spring, one sidepiece of described U-shape lock hook extends to form hook portion, one end of described locking bar has the sizing hook matched with described hook portion, the other end of described locking bar is connected to the Electromagnetic Drive cylinder driving the described locking bar other end to rotate, the power pack that promising described Electromagnetic Drive cylinder is powered is set in described lock box, described power pack is externally connected with the first contact shell fragment, described Electromagnetic Drive cylinder is connected to the second contact shell fragment, described switch cabinet body offers the emergency release hole of intracavity inter-connection with described lock box, slide axially along it in described emergency release hole and be provided with trip lever, described trip lever one end is provided with the conducting block so that described first contact shell fragment is connected with described second contact shell fragment, described trip lever is cylindrical, described conducting block is rectangular, described trip lever rotates with described conducting block and is connected, the other end of described trip lever is provided with operation head, described operation head has the operation groove matched with screwdriver, it is provided with limiting section in described emergency release hole, described trip lever is inserted in the perforation of described limiting section, described trip lever is provided with back-moving spring, described back-moving spring is between described operation head and described limiting section,
It is provided with location structure between described operation head and described emergency release hole.
2. the emergency unlocking mechanism at high-voltage complete switch equipment back door according to claim 1, it is characterised in that: described location structure include being symmetricly set in described operation head both sides spacing preiection, along described emergency release hole the guide channel axially offered and be connected with described emergency release hole, be opened in described emergency release bore ends and arc guide groove that the end with described guide channel is connected.
3. the emergency unlocking mechanism at high-voltage complete switch equipment back door according to claim 1, it is characterised in that: described switch cabinet body is provided with the rubber blocking for being blocked in described emergency release hole.
4. the emergency unlocking mechanism at high-voltage complete switch equipment back door according to claim 1, it is characterised in that: it is respectively arranged with the guide frame being easy to the insertion of described conducting block between the two between the upper end of described first contact shell fragment and described second contact shell fragment.
5. the emergency unlocking mechanism at high-voltage complete switch equipment back door according to claim 4, it is characterised in that: described guide frame is the guide plate arranged in herringbone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610235192.3A CN105680337B (en) | 2016-04-15 | 2016-04-15 | The emergency unlocking mechanism at high-voltage complete switch equipment back door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610235192.3A CN105680337B (en) | 2016-04-15 | 2016-04-15 | The emergency unlocking mechanism at high-voltage complete switch equipment back door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105680337A true CN105680337A (en) | 2016-06-15 |
| CN105680337B CN105680337B (en) | 2017-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610235192.3A Active CN105680337B (en) | 2016-04-15 | 2016-04-15 | The emergency unlocking mechanism at high-voltage complete switch equipment back door |
Country Status (1)
| Country | Link |
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| CN (1) | CN105680337B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108315985A (en) * | 2018-01-10 | 2018-07-24 | 无锡小天鹅股份有限公司 | Filter device and device for clothing processing for device for clothing processing |
| CN112911417A (en) * | 2021-02-01 | 2021-06-04 | 杨峰 | Communication base station with good anti-theft performance |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997040248A1 (en) * | 1996-04-19 | 1997-10-30 | Emka Beschlagteile Gmbh & Co. Kg | Cremone bolt with electrically operated staple |
| CN203347374U (en) * | 2013-06-24 | 2013-12-18 | 连云港市港圣开关制造有限公司 | Quick-opening door lock device for switch cabinet |
| CN203640442U (en) * | 2013-12-20 | 2014-06-11 | 苏州优点优唯医疗科技有限公司 | Drawer lock with bi-opening function |
| CN203783278U (en) * | 2014-02-27 | 2014-08-20 | 福州三协电子有限公司 | Cabinet electromagnetic lock |
| CN104733196A (en) * | 2013-12-20 | 2015-06-24 | 国家电网公司 | Switch lever locking device and switch cabinet |
-
2016
- 2016-04-15 CN CN201610235192.3A patent/CN105680337B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997040248A1 (en) * | 1996-04-19 | 1997-10-30 | Emka Beschlagteile Gmbh & Co. Kg | Cremone bolt with electrically operated staple |
| CN203347374U (en) * | 2013-06-24 | 2013-12-18 | 连云港市港圣开关制造有限公司 | Quick-opening door lock device for switch cabinet |
| CN203640442U (en) * | 2013-12-20 | 2014-06-11 | 苏州优点优唯医疗科技有限公司 | Drawer lock with bi-opening function |
| CN104733196A (en) * | 2013-12-20 | 2015-06-24 | 国家电网公司 | Switch lever locking device and switch cabinet |
| CN203783278U (en) * | 2014-02-27 | 2014-08-20 | 福州三协电子有限公司 | Cabinet electromagnetic lock |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108315985A (en) * | 2018-01-10 | 2018-07-24 | 无锡小天鹅股份有限公司 | Filter device and device for clothing processing for device for clothing processing |
| CN112911417A (en) * | 2021-02-01 | 2021-06-04 | 杨峰 | Communication base station with good anti-theft performance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105680337B (en) | 2017-11-21 |
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