CN102787760A - Locking device for gate lock of switch device - Google Patents

Locking device for gate lock of switch device Download PDF

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Publication number
CN102787760A
CN102787760A CN201210210996XA CN201210210996A CN102787760A CN 102787760 A CN102787760 A CN 102787760A CN 201210210996X A CN201210210996X A CN 201210210996XA CN 201210210996 A CN201210210996 A CN 201210210996A CN 102787760 A CN102787760 A CN 102787760A
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China
Prior art keywords
door
locking mechanism
transversely
switchgear
horizontal
Prior art date
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Application number
CN201210210996XA
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Chinese (zh)
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CN102787760B (en
Inventor
杜勇潮
郭伟叶
蔡润强
杨国清
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SHUNDE SWITCH CO Ltd GUANGDONG PROV
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SHUNDE SWITCH CO Ltd GUANGDONG PROV
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Application filed by SHUNDE SWITCH CO Ltd GUANGDONG PROV filed Critical SHUNDE SWITCH CO Ltd GUANGDONG PROV
Priority to CN201210210996.XA priority Critical patent/CN102787760B/en
Publication of CN102787760A publication Critical patent/CN102787760A/en
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Publication of CN102787760B publication Critical patent/CN102787760B/en
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Abstract

The invention discloses a locking device for a gate lock of a switch device. The locking device for the gate lock of the switch device comprises a switch device body and a middle front door. A switch locking member is arranged on the middle front door. A linkage mechanism, a door longitudinal right locking mechanism, a door horizontal upper locking mechanism and a door horizontal lower locking mechanism are arranged on the surface of the inner wall of the middle front door. Lock catches corresponding to the door longitudinal right locking mechanism, the door horizontal upper locking mechanism and the door horizontal lower locking mechanism are arranged on the switch device body. The linkage mechanism is respectively hinged to the switch locking member, the door longitudinal right locking mechanism, the door horizontal upper locking mechanism and the door horizontal lower locking mechanism. The switch locking member controls the door longitudinal right locking mechanism, the door horizontal upper locking mechanism and the door horizontal lower locking mechanism through the linkage mechanism to be adaptively fastened with or separated from the lock catches respectively. The locking device for the gate lock of the switch device replaces a traditional device which performs longitudinal right locking on the middle front door of the switch device through the switch locking member, and horizontal upper locking and horizontal lower locking are increased. Under the same operation condition of the gate lock, safety is effectively improved during device failure, and the locking device for the gate lock of the switch device is simple and safe in structure and convenient and flexible to operate and overhaul.

Description

The locking device that a kind of switchgear door lock is used
Technical field
The present invention relates to the locking device that a kind of switchgear door lock that promotes power system security is used.
Background technology
Along with the continuous progress of Chinese society, rapid economic development, society and economic benefit that the power system switchgear is created are also increasing and obvious, and it is safe, reliable, stability seems still for important, the personal safety that particularly is associated therewith.
If faults such as short circuit appear in operating switchgear, inside will inevitably produce electric arc, and its time is short; Diffusivity is wide, and energy is big, and destructive power is strong; Therefore the potential safety hazard that requires the switchgear structure can avoid short trouble to bring, each function compartments needs of switchgear is provided with pressure relief channels, and passage can be opened pressure release when guaranteeing the fault generation; And compartment operation door-plate must not be opened, and makes fault harm be tending towards minimizing.For preventing that fault electric arc from overflowing personnel such as injuring local operation, maintenance, tour from switchgear compartment operation door-plate; Present most switchgear all is the impact resistance that improves each compartment operation door-plate through fastening bolt; So but seem burdensome and inconvenient, the especially operation and the maintenance of switching devices main switch compartment (breaker compartment) during with maintenance in the normal running of switchgear.
 
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, provide a kind of simple in structure, safe, operation to overhaul the locking device that switchgear door lock is easily used.
Goal of the invention of the present invention is achieved in that the locking device that a kind of switchgear door lock is used; Comprise switchgear body and middle Qianmen; On the middle Qianmen switch latch fitting is arranged; Make middle Qianmen open or lock onto on the switchgear body through the switch latch fitting; Wherein, The internal face at Qianmen is provided with link gear, the vertical right locking mechanism of door, door transversely locking mechanism and the horizontal locking mechanism down of door in said; On the switchgear body to vertical right locking mechanism of answering the door, door transversely locking mechanism and door laterally down a locking mechanism be provided with snap close, link gear respectively with switch latch fitting, the vertical right locking mechanism of door, door transversely locking mechanism and door laterally down a locking mechanism hinge is connected, the switch latch fitting through the vertical right locking mechanism of link gear control gate, door transversely locking mechanism and door laterally under locking mechanism link closely or break away from snap close is adaptive respectively.
Be optimized according to said structure; The vertical right locking mechanism of said door, door be the locking mechanism and right hand edge, top edge and the lower limb of Qianmen internal face during laterally locking mechanism is installed on respectively down transversely, snap close to vertical right locking mechanism of answering the door, door transversely locking mechanism and laterally down locking mechanism be installed on the switchgear body.
Be optimized according to said structure; The vertical right locking mechanism of said door comprises vertical fixed guide and longitudinally-moving guide rail; Door transversely locking mechanism comprises transversely fixed guide and movable guiding rail transversely, laterally descend locking mechanism comprise laterally down fixed guide with laterally under movable guiding rail.
Be optimized according to said structure; Said vertical fixed guide, the transversely fixed guide and right hand edge, top edge and the lower limb of the internal face at Qianmen during laterally down fixed guide is fixedly installed in respectively, the longitudinally-moving guide rail, transversely movable guiding rail and laterally down movable guiding rail be movably installed in vertical fixed guide, transversely fixed guide and horizontal fixed guide and being connected with the link gear hinge respectively down respectively.
Be optimized according to said structure, said longitudinally-moving guide rail, transversely movable guiding rail and laterally down movable guiding rail be respectively equipped with the lock shaft with the adaptive installation of snap close.
Be optimized according to said structure; Said link gear comprises connecting rod, hinged component, longitudinal folding, horizontal folded piece and the horizontal folded piece down gone up; Hinged component middle part is connected with switch latch fitting hinge, and the hinged component tail end is connected with connecting rod top hinge, and the hinged component top is connected with longitudinal folding folding fulcrum hinge; Longitudinal folding top is connected with the horizontal folding fulcrum hinge of going up folded piece, and longitudinal folding tail end then is connected with the horizontal folding fulcrum hinge of folded piece down.
Be optimized according to said structure; Said connecting rod tail end links with the longitudinally-moving guide rail and is connected; The horizontal folded piece top of going up is fixedly installed on the internal face at middle Qianmen with vertical fixed guide; The horizontal folded piece tail end of going up then link with movable guiding rail transversely and is connected, on the internal face at horizontal folded piece top down and Qianmen during vertically fixed guide is fixedly installed in, laterally descend the folded piece tail end then with horizontal under the movable guiding rail hinge be connected.
Be optimized according to said structure, the left hand edge at said middle Qianmen is provided with hinge component, flexibly connects through hinge component and switchgear body.
The present invention improves the locking form at switchgear breaker chamber Qianmen in the prior art; Transversely locking mechanism, the horizontal structure of locking mechanism, snap close down of door match through switch latch fitting, link gear, the vertical right locking mechanism of door, door; Replace tradition only to lean on the middle Qianmen of switch latch fitting switching devices to carry out vertically right locking; And then increase horizontal upper and lower locking; Thereby make door lock under same operational circumstances, the safety when switchgear breaks down effectively improves, and makes the operation maintenance more convenient flexibly again.
 
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Fig. 2 is the structural representation at Qianmen in the embodiment of the invention.
The user mode intention that Fig. 3 opens for the embodiment of the invention.
 
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done further description.
According to Fig. 1, Fig. 2, shown in Figure 3; The locking device that switchgear door lock according to the invention is used; It comprises switchgear body 1 and middle Qianmen 2, and middle Qianmen 2 is provided with switch latch fitting 3, the right hand edge at Qianmen 2 during switch latch fitting 3 is fixedly installed in; The left hand edge at middle Qianmen 2 is provided with hinge component 17, flexibly connects through hinge component 17 and switchgear body 1.When rotating switch latch fitting 3, switch latch fitting 3 is opened middle Qianmen 2 or lock onto on the switchgear body 1.Because, depend merely on switch latch fitting 3 centering Qianmens 2 and lock onto on the switchgear body 1 dangerously, flicked anti-easily when breaking down and the personnel on side.Therefore; On the internal face at middle Qianmen 2, be provided with link gear, the vertical right locking mechanism of door, door transversely locking mechanism and the horizontal locking mechanism down of door; On the switchgear body 1 to vertical right locking mechanism of answering the door, door transversely locking mechanism and door laterally down a locking mechanism be provided with snap close 4; Link gear respectively with switch latch fitting 3, the vertical right locking mechanism of door, door transversely locking mechanism and door laterally down a locking mechanism hinge be connected; Switch latch fitting 3 through the vertical right locking mechanism of link gear control gate, door transversely locking mechanism and door laterally down locking mechanism link closely or break away from snap close 4 is adaptive respectively; When reaching rotating switch latch fitting 3 like this, on vertically, transversely or laterally following all firm locking switchgear bodies 1 at Qianmen 2, the door safety was greatly enhanced when switchgear was broken down in making simultaneously.If in will opening during Qianmen 2, rotating switch latch fitting 3, open at Qianmen 2 in making, and makes things convenient for staff's operation maintenance, increases work efficiency greatly.
According to above-mentioned concrete embodiment do; The vertical right locking mechanism of door, door be the locking mechanism and right hand edge, top edge and the lower limb of Qianmen 2 internal faces during laterally down locking mechanism is installed on respectively transversely, 4 pairs of snap closes answer the door vertical right locking mechanism, door transversely locking mechanism and laterally down locking mechanism be installed on the switchgear body 1.Wherein, The vertical right locking mechanism of door comprises vertical fixed guide 5 and longitudinally-moving guide rail 6; Door transversely locking mechanism comprises transversely fixed guide 7 and movable guiding rail 8 transversely, laterally descend locking mechanism comprise laterally down fixed guide 9 with laterally under movable guiding rail 10.And vertically fixed guide 5, the transversely fixed guide 7 and right hand edge, top edge and the lower limb of the internal face at Qianmen 2 during laterally fixed guide 9 is fixedly installed in respectively down, longitudinally-moving guide rail 6, transversely movable guiding rail 8 and laterally down movable guiding rail 10 be movably installed in vertical fixed guide 5, transversely fixed guide 7 and horizontal fixed guide 9 and being connected with the link gear hinge respectively down respectively.And, longitudinally-moving guide rail 6, transversely movable guiding rail 8 and laterally down movable guiding rail 10 be respectively equipped with the lock shaft 11 with snap close 4 adaptive installations, as shown in Figure 1.
Be longitudinally-moving guide rail 6, transversely movable guiding rail 8 and laterally down movable guiding rail 10 respectively along vertical fixed guide 5, transversely fixed guide 7 and horizontal drives lock shaft 11 slips down when fixed guide slides; And then make lock shaft 11 slide into snap close 4 and with snap close 4 adaptive installations; Or make lock shaft 11 slide and disengaging snap close 4 Qianmen 2 tight closure or unlatching in the realization.
Yet, above-mentioned mode of operation specifically by link gear make switch latch fitting 3 control longitudinally-moving guide rail 6, transversely movable guiding rail 8 and laterally down movable guiding rail 10 respectively vertical fixed guide 5, transversely fixed guide 7 and laterally down fixed guide 9 slide.This link gear comprises connecting rod 12, hinged component 13, longitudinal folding 14, horizontal folded piece 15 and the horizontal folded piece 16 down gone up, and hinged component 13 middle parts are connected with switch latch fitting 3 hinges, and concrete hinged component 13 middle parts are connected with the top hinge of switch latch fitting 3.And hinged component 13 tail ends are connected with connecting rod 12 top hinges; Hinged component 13 tops are connected with longitudinal folding 14 folding fulcrum hinge; Longitudinal folding 14 top is connected with the horizontal folding fulcrum hinge of going up folded piece 15, and longitudinal folding 14 tail end then is connected with the horizontal folding fulcrum hinge of folded piece 16 down.Wherein, connecting rod 12 tail ends link with longitudinally-moving guide rail 6 and are connected, and connecting rod 12 tail ends are connected with longitudinally-moving guide rail 6 and with the tail end hinge of switch latch fitting 3.And; Horizontal folded piece 15 tops of going up are fixedly installed on the internal face at middle Qianmen 2 with vertical fixed guide 5; Horizontal folded piece 15 tail ends of going up then link with movable guiding rail 8 transversely and are connected; During being fixedly installed in vertical fixed guide 5, horizontal folded piece 16 tops down on the internal face at Qianmen 2, laterally descend the folded piece tail end then to be connected, like Fig. 1, shown in 2 with horizontal movable guiding rail 10 hinges down.
In close during Qianmen 2; Rotating switch latch fitting 3; Hinged component 13 serves as that fixed point moves up the top of hinged component 13 with the hinge fulcrum with switch latch fitting 3; Thereby driving longitudinal folding 14 moves up; And spur the horizontal hinged support of going up folded piece 15 and move up simultaneously with the horizontal hinged support of folded piece 16 down, and then spur and horizontally go up the slip to the right on fixed guide and the horizontal fixed guide down on horizontal respectively of movable guiding rail and horizontal movable guiding rail down, and make be arranged at horizontal upward movable guiding rail and horizontal under the lock shaft 11 of movable guiding rail slide to the right and with snap close 4 adaptive installations.At this moment, because lever principle, drivening rod 12 moves down the tail end of hinged component 13 along with the rotation of switch latch fitting 3; Make longitudinally-moving guide rail 6 at vertical fixed guide 5 to lower slider, the lock shaft 11 that is installed on longitudinally-moving guide rail 6 is upwards slided and with snap close 4 adaptive installations, in realizing like this on the vertically right and horizontal upper and lower switchgear body 1 that all closely is locked in switchgear in Qianmen 2; The potential safety hazard of avoiding short trouble to bring; Each function compartments needs of switchgear is provided with pressure relief channels, and passage can be opened pressure release when guaranteeing the fault generation, and compartment operation door-plate must not be opened; Make fault harm be tending towards minimizing, improve the safety of using.
In like manner; When the needs detection was safeguarded, as long as Qianmen 2 in needing to open was rotating switch latch fitting 3; Hinged component 13 is rotated; Hinged component 13 tops reset and move down, and drive longitudinal folding 14 and move down, and make with the hinged support of longitudinal folding 14 hinged transversely folded piece and the hinged support of laterally following folded piece to move down simultaneously; Thereby drive transversely movable guiding rail 8 with laterally down movable guiding rail 10 respectively in the horizontal fixed guide 7 reset with laterally sliding left on the fixed guide 9 down, and then make lock shaft 11 break away from snap closes 4 and carry out release.Meanwhile, hinged component 13 tail ends move up and reset, and drive longitudinally-moving guide rail 6 through connecting rod 12 and are vertically upwards sliding on the fixed guide 5, drive lock shaft 11 equally and break away from snap close 4 and carry out release.Reach the operation and the maintenance that make things convenient for switching devices main switch compartment (breaker compartment) like this, flexible operation is effectively enhanced productivity, and realizes that performance is economical and practical, helps extensive popularization.
Above-mentioned specific embodiment is merely the effect of the present invention specific embodiment preferably, and the locking device that all switchgear door locks identical with this structure or that be equal to are used is all in the application's protection domain.

Claims (8)

1. locking device that the switchgear door lock is used; Comprise switchgear body (1) and middle Qianmen (2); On the middle Qianmen (2) switch latch fitting (3) is arranged; Make middle Qianmen (2) open or lock onto on the switchgear body (1) through switch latch fitting (3); It is characterized in that: the internal face at Qianmen (2) is provided with link gear, the vertical right locking mechanism of door, door transversely locking mechanism and the horizontal locking mechanism down of door in said; Switchgear body (1) go up to vertical right locking mechanism of answering the door, door transversely locking mechanism and door laterally down a locking mechanism be provided with snap close (4); Link gear respectively with switch latch fitting (3), the vertical right locking mechanism of door, door transversely locking mechanism and door laterally down a locking mechanism hinge is connected, switch latch fitting (3) through the vertical right locking mechanism of link gear control gate, door transversely locking mechanism and door horizontal under locking mechanism link closely or break away from snap close (4) is adaptive respectively.
2. the locking device of using according to the said switchgear door lock of claim 1; It is characterized in that: the vertical right locking mechanism of said door, door transversely locking mechanism and laterally down locking mechanism be installed on right hand edge, top edge and the lower limb of middle Qianmen (2) internal face respectively, snap close (4) to vertical right locking mechanism of answering the door, door transversely locking mechanism and laterally down locking mechanism be installed on the switchgear body (1).
3. the locking device of using according to the said switchgear door lock of claim 2; It is characterized in that: the vertical right locking mechanism of said door comprises vertical fixed guide (5) and longitudinally-moving guide rail (6); Door transversely locking mechanism comprises transversely fixed guide (7) and movable guiding rail (8) transversely, laterally descend locking mechanism comprise laterally down fixed guide (9) with laterally under movable guiding rail (10).
4. the locking device of using according to the said switchgear door lock of claim 3; It is characterized in that: said vertical fixed guide (5), transversely fixed guide (7) and laterally down fixed guide (9) be fixedly installed in right hand edge, top edge and the lower limb of the internal face at middle Qianmen (2) respectively, longitudinally-moving guide rail (6), transversely movable guiding rail (8) and laterally down movable guiding rail (10) be movably installed in vertical fixed guide (5), transversely fixed guide (7) and horizontal fixed guide (9) and being connected with the link gear hinge respectively down respectively.
5. the locking device of using according to the said switchgear door lock of claim 4 is characterized in that: said longitudinally-moving guide rail (6), transversely movable guiding rail (8) and laterally down movable guiding rail (10) be respectively equipped with the lock shaft (11) with the adaptive installation of snap close (4).
6. the locking device of using according to the said switchgear door lock of claim 4; It is characterized in that: said link gear comprises connecting rod (12), hinged component (13), longitudinal folding (14), horizontal folded piece (15) and the horizontal folded piece (16) down gone up; Hinged component (13) middle part is connected with switch latch fitting (3) hinge; Hinged component (13) tail end is connected with connecting rod (12) top hinge; Hinged component (13) top is connected with the folding fulcrum hinge of longitudinal folding (14); Longitudinal folding (14) top is connected with the horizontal folding fulcrum hinge of going up folded piece (15), and longitudinal folding (14) tail end then is connected with the horizontal folding fulcrum hinge of folded piece (16) down.
7. the locking device of using according to the said switchgear door lock of claim 5; It is characterized in that: said connecting rod (12) tail end links with longitudinally-moving guide rail (6) and is connected; Horizontal folded piece (15) top of going up is fixedly installed on the internal face of middle Qianmen (2) with vertical fixed guide (5); Horizontal folded piece (15) tail end of going up then links with movable guiding rail (8) transversely and is connected; Horizontal folded piece (16) top down is fixedly installed on the internal face of middle Qianmen (2) with vertical fixed guide (5), laterally descends the folded piece tail end then to be connected with horizontal movable guiding rail (10) hinge down.
8. the locking device of using according to the said switchgear door lock of claim 2 is characterized in that: the left hand edge at Qianmen (2) is provided with hinge component (17) in said, flexibly connects through hinge component (17) and switchgear body (1).
CN201210210996.XA 2012-06-26 2012-06-26 A kind of locking device of gate lock of switch device Active CN102787760B (en)

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Application Number Priority Date Filing Date Title
CN201210210996.XA CN102787760B (en) 2012-06-26 2012-06-26 A kind of locking device of gate lock of switch device

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Application Number Priority Date Filing Date Title
CN201210210996.XA CN102787760B (en) 2012-06-26 2012-06-26 A kind of locking device of gate lock of switch device

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CN102787760B CN102787760B (en) 2015-08-12

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104184052A (en) * 2014-08-01 2014-12-03 国家电网公司 Switch cabinet with novel door lock structure, and locking and unlocking method thereof
CN105514819A (en) * 2016-02-02 2016-04-20 北京潞电电气设备有限公司 Electrical equipment compartment
TWI696748B (en) * 2015-08-27 2020-06-21 美商伊藤公司 Mechanical door interlock device for protecting power electrical switching apparats and users
CN113294046A (en) * 2020-02-23 2021-08-24 赣州拓途智能科技有限公司 Guide rail hinge integrated device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4936640A (en) * 1988-07-26 1990-06-26 Pundra Industries Ltd. Anti-tip mechanism and method for providing anti-tip device
CN2237088Y (en) * 1995-07-31 1996-10-09 潘东山 Anti-theft safety door blocking lock
US5782114A (en) * 1995-01-13 1998-07-21 Hoppe Ag Multi-point locking system
CN2320758Y (en) * 1997-12-23 1999-05-26 刘文良 Four-azimuth locking anti-theft door
CN2352652Y (en) * 1998-11-25 1999-12-08 张玉华 Linkage type multiple lock bolt metallic theft-proof door
CN200949401Y (en) * 2006-09-11 2007-09-19 刘恩 Electric controlled theft-proof door

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4936640A (en) * 1988-07-26 1990-06-26 Pundra Industries Ltd. Anti-tip mechanism and method for providing anti-tip device
US5782114A (en) * 1995-01-13 1998-07-21 Hoppe Ag Multi-point locking system
CN2237088Y (en) * 1995-07-31 1996-10-09 潘东山 Anti-theft safety door blocking lock
CN2320758Y (en) * 1997-12-23 1999-05-26 刘文良 Four-azimuth locking anti-theft door
CN2352652Y (en) * 1998-11-25 1999-12-08 张玉华 Linkage type multiple lock bolt metallic theft-proof door
CN200949401Y (en) * 2006-09-11 2007-09-19 刘恩 Electric controlled theft-proof door

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104184052A (en) * 2014-08-01 2014-12-03 国家电网公司 Switch cabinet with novel door lock structure, and locking and unlocking method thereof
TWI696748B (en) * 2015-08-27 2020-06-21 美商伊藤公司 Mechanical door interlock device for protecting power electrical switching apparats and users
CN105514819A (en) * 2016-02-02 2016-04-20 北京潞电电气设备有限公司 Electrical equipment compartment
CN113294046A (en) * 2020-02-23 2021-08-24 赣州拓途智能科技有限公司 Guide rail hinge integrated device
CN113294046B (en) * 2020-02-23 2024-04-16 刘经红 Guide rail hinge integrated device

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Denomination of invention: Locking device for gate lock of switch device

Effective date of registration: 20190808

Granted publication date: 20150812

Pledgee: China Co truction Bank Corp Foshan branch

Pledgor: Shunde Switch Co., Ltd., Guangdong Prov.

Registration number: Y2019440000004