CN207381837U

CN207381837U - A kind of switchgear locking device

Info

Publication number: CN207381837U
Application number: CN201720837236.XU
Authority: CN
Inventors: 王杰
Original assignee: Shanghai Zhelin Hydropower Equipment Manufacturing Co Ltd
Current assignee: Shanghai Zhelin Hydropower Equipment Manufacturing Co Ltd
Priority date: 2017-07-11
Filing date: 2017-07-11
Publication date: 2018-05-18
Anticipated expiration: 2027-07-11

Abstract

The utility model discloses a kind of switchgear locking device, for locking the drawer of low-tension switch cabinet, including moving portion, mark part, fixed part and lock portion；Moving portion is connected with drawer, and for fixed part with being connected inside low-tension switch cabinet, moving portion connects or separates low-tension switch cabinet and drawer by being inserted into or departing from fixed part；Lock portion also by being inserted into or departing from moving portion, makes moving portion be latched or unlock；Mark part is connected with drawer and contacted with fixed part, and passes through the position relationship for changing drawer and low-tension switch cabinet, and to change the position that mark part is contacted with fixed part, mark part exports different information according to the different parts contacted with fixed part.The advantages of the utility model and advantageous effect are：It is simple in structure, it is of low cost, convenient for promoting；It can quickly know the location status of the drawer of current low-tension switch cabinet, the drawer for improving low-tension switch cabinet carries out the Discussing Convenience and work efficiency of status monitoring work；Improve the security of low-tension switch cabinet.

Description

A kind of switchgear locking device

Technical field

The utility model is related to electric field, more particularly to a kind of switchgear locking device.

Background technology

Low-tension switch cabinet is exactly the equipment for connecing type low-voltage cable as its name suggests, and general power supply bureau, electric substation are by electric power through transformation Low-tension switch cabinet is output to after device decompression, low-tension switch cabinet retells the distribution box that electric power is output to each electricity consumption；Existing low pressure Switchgear locks drawer usually using mechanical lock, therefore can not intuitively determine the locking shape of the drawer of low-tension switch cabinet State and the remote monitoring that can not realize low-tension switch cabinet bring inconvenience for the status monitoring work of low-tension switch cabinet, reduce The work efficiency of monitoring；Simultaneously because existing low-tension switch cabinet only has mechanical lock device to lock its drawer, Therefore it is easy to appear the situation of staff's maloperation, personal injury is caused.

Utility model content

To solve the above-mentioned problems, the utility model provides a kind of switchgear locking device.The work of the technical program is former Reason is that the drawer of low tension switch is locked using moving portion and fixed part realization, simple in structure, of low cost, convenient for pushing away Extensively；Using mark part export information enable staff quickly know current low-tension switch cabinet drawer location status, The remote monitoring to low-tension switch cabinet is also achieved simultaneously, and the drawer for improving low-tension switch cabinet carries out status monitoring work just Sharp degree and work efficiency；The isolating closing lock of low-tension switch cabinet is realized by using lock portion, i.e., when being not turned on lock portion, is taken out Drawer will be unable to detach from low-tension switch cabinet；The misoperation probability of staff is reduced, improves the safety of low-tension switch cabinet Property.

A kind of switchgear locking device in the utility model, for locking the drawer of low-tension switch cabinet, including moving portion, Mark part, fixed part and lock portion；

The moving portion is connected with the drawer, and the fixed part inside the low-tension switch cabinet with being connected, the movement Portion connects or separates the low-tension switch cabinet and the drawer by being inserted into or departing from the fixed part；

The lock portion also by being inserted into or departing from the moving portion, makes the moving portion be latched or unlock；

The mark part is connected with the drawer and contacted with the fixed part, and pass through change the drawer with it is described low Compress switch the position relationship of cabinet, to change the position that the mark part is contacted with the fixed part, the mark part according to institute The different parts of fixed part contact are stated, export different information.

In said program, the moving portion includes connector, executive item and the first spring；The executive item and the connection The one side connection of part, the opposite side of the connector are connected with the drawer；The executive item and the connector are rotatable Connection, first spring is fixed on the executive item, the both ends of first spring respectively with the connector and execution Part connects, for resetting the executive item；

In said program, the connector includes the first jam plate and the first fixed block, and the executive item includes the second jam plate With the second fixed block；

First jam plate is fixed on the drawer, and second jam plate is covered in the first jam plate upper surface, And pass through the first bolt and be rotatably connected with first jam plate；First fixed block is fixed on first jam plate, Second fixed block is fixed on second jam plate；First spring wrap is on first bolt, and described first One end of spring is connected with first fixed block, and the other end of first spring is connected with second fixed block；

First jam plate has locking slideway, and second fixed block is fixed on second jam plate by the second bolt On；One end of second bolt coordinates through second fixed block, the second jam plate and locking slideway and with the second nut, will The second fixed block extruding is fixed on second jam plate.

In said program, the executive item further includes push rod, and one end of the push rod passes through the 3rd with second jam plate It is bolted, by promoting the push rod that second jam plate is made to drive second bolt along the locking slideway around described First bolt rotates；The push rod is connected with button backwards to one end of the 3rd bolt.

In said program, the fixed part includes closing piece；The bottom of the closing piece is connected with low-tension switch cabinet inside, The side of the closing piece has latch recess, and one end of the second nut of direction of second bolt passes through the drawer；It is described Second bolt at the both ends of the locking slideway by moving, to be inserted into or depart from the latch recess.

In said program, the lock portion includes deadlock lever, locking link block, rotating bar and turn-button；Described first fixes Block has the mounting hole of the first fixed block top and bottom ends of connection, and first jam plate has the first obturator hernia, second jam plate With the second obturator hernia；First obturator hernia and mounting hole have same axis；First fixed block has the first locking There is gap, second jam plate has empty described in the partial insertion of the second obturator hernia between the part in hole and first jam plate In gap；

It operates the deadlock lever and passes through the mounting hole, the second obturator hernia and the first obturator hernia, second jam plate It will interfix with the first jam plate；It operates the deadlock lever and disengages it from second obturator hernia and the first obturator hernia, described Two jam plates and the first jam plate can relatively rotate.

In said program, the locking link block is connected with the deadlock lever backwards to one end of the fixed block, described to close Lock link block is connected with the deadlock lever by U-shaped through hole；The locking link block has square through hole, the horizontal stroke of the rotating bar Section matches with the square through hole and passes through the square through hole；The rotating bar through the square through hole one end also with The drawer rotatably connects, and the other end of the rotating bar is connected with the turn-button；

Operating the turn-button makes the rotating bar that the locking link block be driven to rotate, and the locking link block will pass through U Type through hole moves up or down the deadlock lever, and then the deadlock lever is made to pass through or depart from second obturator hernia and One obturator hernia.

In said program, the mark part includes Sign Board, connecting rod, the 3rd fixed block, second spring, the 4th bolt and the Five bolts；

One end of the connecting rod is connected with the Sign Board, and the other end of the connecting rod is connected with the 3rd fixed block； 3rd fixed block, connecting rod and the first jam plate described in 4th screw bolt passes are fixed on the 3rd fixed block described On connecting rod, and the connecting rod is made rotatably to be connected with first jam plate；

First jam plate has mark slideway, the 3rd fixed block, connecting rod and mark described in the 5th screw bolt passes Know slideway, and coordinate the 5th nut that the 3rd fixed block and connecting rod extruding are fixed on first jam plate；Described second Spring is fixed on the 4th bolt, and one end of the second spring is connected with first jam plate, for making the connecting rod It resets；

5th bolt also drives the connecting rod to rotate the Sign Board, and the drawer includes the gear with opening Plate, the Sign Board alignment is described to be open and outwardly conveys information, and the Sign Board has multiple identification informations, and passes through and turn It is dynamic to change the information conveyed by outward opening circle.

In said program, the mark part further includes signal output module, and the signal output module is fixed on described On one jam plate, the signal output module towards one end of the 3rd fixed block have signaling switch, the 5th bolt with The fixed part contact, and with the position relationship between the drawer and fixed part, it is bonded the side movement of the fixed part；Institute Stating the 5th bolt drives the 3rd fixed block to be moved along the mark slideway；3rd fixed block is moved along the mark slideway When with described information switch contact, make the signal output module output status signal.

In said program, the closing piece has mark sliding surface backwards to the one side side of the latch recess, and the mark is slided Face includes the first skating area, the second skating area and the 3rd skating area that are sequentially connected；First skating area and the 3rd skating area respectively with it is described Second skating area forms inclination angle, and forms zigzag structure；

The drawer is inserted into from the external world during the low-tension switch cabinet so that the 5th bolt is bonded described the successively One skating area, the second skating area and the movement of the 3rd skating area, and then the 5th bolt is made to be moved in the mark slideway.

The advantages of the utility model and advantageous effect are：The utility model provides a kind of switchgear locking device.Structure Simply, it is of low cost, convenient for promoting；Staff can quickly know the location status of the drawer of current low-tension switch cabinet, and And the remote monitoring to low-tension switch cabinet is realized, the drawer for improving low-tension switch cabinet carries out the Discussing Convenience of status monitoring work And work efficiency；The misoperation probability of staff is reduced, improves the security of low-tension switch cabinet.

Description of the drawings

It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, can also be obtained according to these attached drawings other attached drawings.

Fig. 1 is that a kind of switchgear locking device of the utility model is illustrated with the external structure of low-tension switch cabinet and its drawer Figure；

Fig. 2 shows for a kind of switchgear locking device of the utility model with the internal structure that low-tension switch cabinet and its drawer are connected It is intended to；

Fig. 3 is the structure diagram of fixed part in a kind of switchgear locking device of the utility model；

Fig. 4 is the front view of moving portion, mark part and lock portion in a kind of switchgear locking device of the utility model；

Fig. 5 is the top view of moving portion, mark part and lock portion in a kind of switchgear locking device of the utility model；

Fig. 6 is the bottom view of moving portion, mark part and lock portion in a kind of switchgear locking device of the utility model.

In figure：1st, moving portion 2, mark part 3, fixed part 4, lock portion

5th, low-tension switch cabinet 6, drawer 7, baffle 8, opening

11st, connector 12, executive item 13, the first spring 14, the first bolt

15th, the second bolt 16, the second nut

111st, the first jam plate 112, the first fixed block 113, locking slideway

114th, mounting hole 115, the first obturator hernia 116, mark slideway

121st, the second jam plate 122, the second fixed block 123, push rod

124th, button 125, the 3rd bolt

21st, Sign Board 22, connecting rod 23, the 3rd fixed block 24, second spring

25th, the 4th bolt 26, the 5th bolt 27, signal output module 28, message switching

29th, the 5th nut 31, closing piece 32, latch recess 33, mark sliding surface

331st, the first skating area 332, the second skating area 333, the 3rd skating area

41st, deadlock lever 42, locking link block 43, rotating bar

44th, turn-button 45, U-shaped through hole 46, square through hole

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below Example is only used for clearly illustrating the technical solution of the utility model, and the protection model of the utility model cannot be limited with this It encloses.

As shown in figs 1 to 6, the utility model is a kind of switchgear locking device, for locking the pumping of low-tension switch cabinet 5 Drawer 6, including moving portion 1, mark part 2, fixed part 3 and lock portion 4；

Moving portion 1 is connected with drawer 6, and fixed part 3 is connected with 5 inside of low-tension switch cabinet, and moving portion 1 is by being inserted into or departing from Fixed part 3 connects or separates low-tension switch cabinet 5 and drawer 6；

Lock portion 4 also by being inserted into or departing from moving portion 1, makes moving portion 1 be latched or unlock；

Mark part 2 is connected with drawer 6 and contacted with fixed part 3, and passes through the position for changing drawer 6 and low-tension switch cabinet 5 Relation, to change the position that mark part 2 is contacted with fixed part 3, mark part 2 is according to the different parts contacted with fixed part 3, output Different information.

The operation principle of above-mentioned technical proposal is：Using moving portion 1 and fixed part 3 realize to the drawer 6 of low tension switch into Row locking, it is simple in structure, it is of low cost, convenient for promoting；The information exported using mark part 2 enables staff quickly to know The location status of the drawer 6 of current low-tension switch cabinet 5, improves the Discussing Convenience of low-tension switch cabinet 5 and its drawer 6 when in use； By using lock portion 4 realize low-tension switch cabinet 5 isolating closing lock, i.e., when being not turned on lock portion 4, drawer 6 will be unable to from It is detached in low-tension switch cabinet 5；Improve the security of low-tension switch cabinet 5.

Wherein, moving portion 1, mark part 2 and lock portion 4 are connected to the inside of drawer 6；Fixed part 3 is located at drawer 6 Outside is connected to the inside of low-tension switch cabinet 5, and cooperates respectively with moving portion 1, mark part 2 and lock portion 4.

Specifically, moving portion 1 includes connector 11,12 and first spring 13 of executive item；Executive item 12 and connector 11 One side connects, and the opposite side of connector 11 is connected with drawer 6；Executive item 12 is rotatably connected with connector 11, the first spring 13 are fixed on executive item 12, and the both ends of the first spring 13 are connected respectively with connector 11 and executive item 12, for making executive item 12 reset.

Further, connector 11 includes the first jam plate 111 and the first fixed block 112, and executive item 12 includes the second jam plate 121 and second fixed block 122；

First jam plate 111 is fixed on inside drawer 6, and the second jam plate 121 is covered in 111 upper surface of the first jam plate, and passes through First bolt 14 is rotatably connected with the first jam plate 111；First fixed block 112 is fixed on the first jam plate 111, and second fixes Block 122 is fixed on the second jam plate 121；First spring 13 is wrapped on the first bolt 14, one end and first of the first spring 13 Fixed block 112 connects, and the other end of the first spring 13 is connected with the second fixed block 122；

First jam plate 111 has locking slideway 113, and the second fixed block 122 is fixed on the second jam plate by the second bolt 15 On 121；One end of second bolt 15 through the second fixed block 122, the second jam plate 121 and locking slideway 113 and with the second nut The extruding of second fixed block 122 is fixed on the second jam plate 121 by 16 cooperations；

Further, executive item 12 further includes push rod 123, and one end of push rod 123 passes through the 3rd bolt with the second jam plate 121 125 connections, by the way that push rod 123 is promoted to make the second jam plate 121 that the second bolt 15 be driven to surround the first bolt 14 along locking slideway 113 It rotates；Push rod 123 is connected with button 124 backwards to one end of the 3rd bolt 125.

Preferably, fixed part 3 includes closing piece 31；The bottom of closing piece 31 is connected with 5 inside of low-tension switch cabinet, the side of closing piece 31 Face has latch recess 32, and one end of the second nut of direction 16 of the second bolt 15 passes through drawer 6；Second bolt 15 is by locking The both ends movement of standing way 113, to be inserted into or depart from latch recess 32.

Specifically, lock portion 4 includes deadlock lever 41, locking link block 42, rotating bar 43 and turn-button 44；First fixed block 112 have connection 112 top and bottom ends of the first fixed block mounting holes 114, the first jam plate 111 have the first obturator hernia 115, second Jam plate 121 has the second obturator hernia (not shown)；First obturator hernia 115 and mounting hole 114 have same axis；First is solid Determine have second to close with gap, the second jam plate 121 between part and the first jam plate 111 of the block 112 with the first obturator hernia 115 In the partial insertion gap of lockhole；

Operation deadlock lever 41 passes through mounting hole 114, the second obturator hernia and the first obturator hernia 115,121 He of the second jam plate First jam plate 111 will interfix；Operation deadlock lever 41 disengages it from the second obturator hernia and the first obturator hernia 115, the second jam plate 121 and first jam plate 111 can relatively rotate.

Further, it is latched link block 42 to be connected backwards to one end of fixed block with deadlock lever 41, locking link block 42 is with closing Locking bar 41 is connected by U-shaped through hole 45；Being latched link block 42 has square through hole 46, the cross section of rotating bar 43 and square through hole 46 match and pass through square through hole 46；One end of rotating bar 43 through square through hole 46 is also rotatably connected with drawer 6, is rotated The other end of bar 43 is connected with turn-button 44；

Operation turn-button 44 makes rotating bar 43 that locking link block 42 be driven to rotate, and locking link block 42 will pass through U-shaped through hole 45 Deadlock lever 41 is moved up or down, and then deadlock lever 41 is made to pass through or depart from the second obturator hernia and the first obturator hernia 115.

Specifically, mark part 2 includes Sign Board 21, connecting rod 22, the 3rd fixed block 23, second spring 24, the 4th bolt 25 With the 5th bolt 26；

One end of connecting rod 22 is connected with Sign Board 21, and the other end of connecting rod 22 is connected with the 3rd fixed block 23；4th bolt 25 sequentially pass through the 3rd fixed block 23,22 and first jam plate 111 of connecting rod, and the 3rd fixed block 23 is made to be fixed on connecting rod 22, and is made Connecting rod 22 is rotatably connected with the first jam plate 111；

First jam plate 111 has mark slideway 115, and the 5th bolt 26 sequentially passes through the 3rd fixed block 23, connecting rod 22 and mark Know slideway 115, and coordinate the 5th nut 29 that the 3rd fixed block 23 and the extruding of connecting rod 22 are fixed on the first jam plate 111；Second Spring 24 is fixed on the 4th bolt 25, and one end of second spring 24 is connected with the first jam plate 111, for resetting connecting rod 22；

5th bolt 26 also drives connecting rod 22 to rotate Sign Board 21, and drawer 6 includes the baffle 7 with opening 8, Sign Board 21 alignment openings 8 simultaneously outwardly convey information, and Sign Board 21 has multiple identification informations, and passes through rotation and change through opening 8 The information outwardly conveyed.

Further, mark part 2 further includes signal output module 27, and signal output module 27 is fixed on the first jam plate 111 On, signal output module 27 has signaling switch towards one end of the 3rd fixed block 23, and the 5th bolt 26 is contacted with fixed part 3, And with the position relationship between drawer 6 and fixed part 3, the side movement of fitting fixed part 3；5th bolt 26 drives the 3rd to fix Block 23 is moved along mark slideway 115；3rd fixed block 23 is contacted when being moved along mark slideway 115 with message switching 28, makes letter Number 27 output status signal of output module；Staff can receive the status signal by computer remote, low to know in time Compress switch cabinet drawer on off state.

Preferably, closing piece 31 backwards to latch recess 32 one side side have mark sliding surface 33, mark sliding surface 33 include according to Secondary the first connected skating area 331, the second skating area 332 and the 3rd skating area 333；First skating area 331 and the 3rd skating area 333 are respectively with Two skating areas 332 form inclination angle, and form zigzag structure；

Drawer 6 is inserted into from the external world during low-tension switch cabinet 5 so that the 5th bolt 26 is bonded the first skating area 331, the successively Two skating areas 332 and the 3rd skating area 333 are moved, and then the 5th bolt 26 is made to be moved in mark slideway 115, and the 5th bolt 26 passes through Respectively with the first skating area 331, the second skating area 332 and the 3rd skating area 333, the 5th bolt 26 is made to be located at respectively in mark slideway 115 Different position so that connecting rod 22 drives Sign Board 21 to rotate different angles, realize the different information of 8 displaying of opening Effect.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modifications, equivalent replacements and improvements are made should be included in the utility model Protection domain within.

Claims

1. a kind of switchgear locking device, for locking the drawer of low-tension switch cabinet, which is characterized in that including moving portion, mark Portion, fixed part and lock portion；

The moving portion is connected with the drawer, and the fixed part with being connected inside the low-tension switch cabinet, lead to by the moving portion It crosses and is inserted into or departs from the fixed part, connect or separate the low-tension switch cabinet and the drawer；

The mark part is connected with the drawer and contacted with the fixed part, and is passed through and changed the drawer and opened with the low pressure Close the position relationship of cabinet, to change the position that the mark part is contacted with the fixed part, the mark part according to it is described solid Determine the different parts of portion's contact, export different information.

2. a kind of switchgear locking device according to claim 1, which is characterized in that the moving portion include connector, Executive item and the first spring；The executive item is connected with the one side of the connector, the opposite side of the connector and the pumping Drawer connects；The executive item is rotatably connected with the connector, and first spring is fixed on the executive item, described The both ends of first spring are connected respectively with the connector and executive item, for resetting the executive item.

3. a kind of switchgear locking device according to claim 2, which is characterized in that the connector includes the first jam plate With the first fixed block, the executive item includes the second jam plate and the second fixed block；

First jam plate is fixed on the drawer, and second jam plate is covered in the first jam plate upper surface, and leads to The first bolt is crossed rotatably to be connected with first jam plate；First fixed block is fixed on first jam plate, described Second fixed block is fixed on second jam plate；First spring wrap is on first bolt, first spring One end be connected with first fixed block, the other end of first spring is connected with second fixed block；

First jam plate has locking slideway, and second fixed block is fixed on by the second bolt on second jam plate； One end of second bolt coordinates through second fixed block, the second jam plate and locking slideway and with the second nut, by institute The extruding of the second fixed block is stated to be fixed on second jam plate.

4. a kind of switchgear locking device according to claim 3, which is characterized in that the executive item further includes push rod, One end of the push rod is bolted with second jam plate by the 3rd, by the way that the push rod is promoted to make the second jam plate band Second bolt is moved to rotate around first bolt along the locking slideway；The push rod is backwards to the one of the 3rd bolt End is connected with button.

5. a kind of switchgear locking device according to claim 4, which is characterized in that the fixed part includes closing piece；Institute The bottom of closing piece is stated with being connected inside the low-tension switch cabinet, the side of the closing piece has latch recess, second bolt The second nut of direction one end pass through the drawer；Second bolt by it is described locking slideway both ends move, with It is inserted into or departs from the latch recess.

6. a kind of switchgear locking device according to claim 3, which is characterized in that the lock portion include deadlock lever, It is latched link block, rotating bar and turn-button；First fixed block has the mounting hole of the first fixed block top and bottom ends of connection, described First jam plate has the first obturator hernia, and second jam plate has the second obturator hernia；First obturator hernia and mounting hole have Same axis；With gap between part and first jam plate of first fixed block with the first obturator hernia, described Two jam plates have described in the partial insertion of the second obturator hernia in gap；

It operates the deadlock lever and passes through the mounting hole, the second obturator hernia and the first obturator hernia, second jam plate and One jam plate will interfix；It operates the deadlock lever and disengages it from second obturator hernia and the first obturator hernia, second lock Plate and the first jam plate can relatively rotate.

7. a kind of switchgear locking device according to claim 6, which is characterized in that the locking link block is closed with described Locking bar is connected backwards to one end of the fixed block, and the locking link block is connected with the deadlock lever by U-shaped through hole；It is described to close Locking link block has square through hole, and the cross section of the rotating bar matches with the square through hole and passes through the square through hole； The rotating bar is also rotatably connected through one end of the square through hole with the drawer, the other end of the rotating bar with The turn-button connection；

Operating the turn-button makes the rotating bar that the locking link block be driven to rotate, and the locking link block will be by U-shaped logical Hole moves up or down the deadlock lever, and then the deadlock lever is made to pass through or depart from second obturator hernia and first to close Lockhole.

8. a kind of switchgear locking device according to claim 5, which is characterized in that the mark part include Sign Board, Connecting rod, the 3rd fixed block, second spring, the 4th bolt and the 5th bolt；

One end of the connecting rod is connected with the Sign Board, and the other end of the connecting rod is connected with the 3rd fixed block；It is described 3rd fixed block, connecting rod and the first jam plate described in 4th screw bolt passes make the 3rd fixed block be fixed on the connecting rod On, and the connecting rod is made rotatably to be connected with first jam plate；

First jam plate has mark slideway, and the 3rd fixed block, connecting rod and mark are slided described in the 5th screw bolt passes Road, and coordinate the 5th nut that the 3rd fixed block and connecting rod extruding are fixed on first jam plate；The second spring It is fixed on the 4th bolt, one end of the second spring is connected with first jam plate, for resetting the connecting rod；

5th bolt also drives the connecting rod to rotate the Sign Board, and the drawer includes the baffle with opening, institute It states the Sign Board alignment opening and outwardly conveys information, the Sign Board has multiple identification informations, and passes through rotation and change Become the information conveyed by outward opening circle.

9. a kind of switchgear locking device according to claim 8, which is characterized in that it is defeated that the mark part further includes signal Go out module, the signal output module is fixed on first jam plate, and the signal output module is fixed towards the described 3rd One end of block has signaling switch, and the 5th bolt is contacted with the fixed part, and between the drawer and fixed part Position relationship is bonded the side movement of the fixed part；5th bolt drives the 3rd fixed block to be moved along the mark slideway It is dynamic；3rd fixed block, with described information switch contact, makes the signal output module when being moved along the mark slideway Output status signal.

10. a kind of switchgear locking device according to claim 8, which is characterized in that the closing piece is backwards to the locking The one side side of groove has mark sliding surface, and the mark sliding surface includes the first skating area, the second skating area and the 3rd that are sequentially connected Skating area；First skating area and the 3rd skating area form inclination angle with second skating area respectively, and form zigzag structure；

The drawer is inserted into from the external world during the low-tension switch cabinet so that the 5th bolt is bonded described first and slides successively Area, the second skating area and the movement of the 3rd skating area, and then the 5th bolt is made to be moved in the mark slideway.