CN207993720U - Electric apparatus for explosive atmospheres combines electromechanical blocking device - Google Patents

Electric apparatus for explosive atmospheres combines electromechanical blocking device Download PDF

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Publication number
CN207993720U
CN207993720U CN201820568129.6U CN201820568129U CN207993720U CN 207993720 U CN207993720 U CN 207993720U CN 201820568129 U CN201820568129 U CN 201820568129U CN 207993720 U CN207993720 U CN 207993720U
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China
Prior art keywords
switch
power
deadlock lever
power switch
handleset
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CN201820568129.6U
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Chinese (zh)
Inventor
冯豪
李�瑞
陆卫东
尹岳
钱正
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Tiandi Changzhou Automation Co Ltd
Changzhou Research Institute of China Coal Technology and Engineering Group Corp
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Tiandi Changzhou Automation Co Ltd
Changzhou Research Institute of China Coal Technology and Engineering Group Corp
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Abstract

The utility model is related to a kind of electric apparatus for explosive atmospheres to combine electromechanical blocking device, include the power switch blocking mechanism for reversing switch blocking mechanism being isolated and connect with power supply connected with door lock, bar assembly connection is latched by contact between the isolation reversing switch blocking mechanism and power switch blocking mechanism.The electric apparatus for explosive atmospheres combines electromechanical blocking device and isolation reversing switch blocking mechanism and power switch blocking mechanism is cooperated by contact locking bar assembly, simplify lock operation action, it prevents from keeping apart when opening the door and closes lock and accessory power supply combined floodgate, ensure that could carry out opening door operation under the premise of must simultaneously switching off main circuit power and accessory power supply, improve the reliability of safety and the operation of product.

Description

Electric apparatus for explosive atmospheres combines electromechanical blocking device
Technical field:
The utility model is related in mining equipment explosion-proof electric apparatus field more particularly to a kind of underground coal mine flame-proof switch The electric apparatus for explosive atmospheres combination electromechanical blocking device that isolation reversing switch and accessory power supply disconnecting switch are combined.
Background technology:
According to national standard GB3836 and《Safety regulations in coal mine》Regulation underground coal mine electric apparatus for explosive atmospheres must be closed with electromechanics Locking device, that is, realize and be necessary to switch off power supply when electric apparatus for explosive atmospheres opens the door, the general band accessory power supply in underground is explosion-proof at present Electrical equipment main circuit power shares an operation handle and blocking mechanism, accessory power supply after disjunction major loop with accessory power supply Power-off, and accessory power supply generally requires long-play, and two sets of operation handles and blocking mechanism, complicated, behaviour is such as arranged Make that cumbersome, reliability is not high.
Utility model content:
The purpose of this utility model is in view of the drawbacks of the prior art, to provide a kind of electric apparatus for explosive atmospheres combination machine electric locking Device, meets the safety interlocking demand of heterogeneity power supply, and its compact structure, easy to operate, to solve flame-proof switch The problems such as volume is big, locking is asynchronous, locking is fragile.
The utility model is achieved by the following technical solution:A kind of electric apparatus for explosive atmospheres combination electromechanical blocking device, Include the power switch blocking mechanism for reversing switch blocking mechanism being isolated and connect with accessory power supply connected with main circuit power, Bar assembly connection is latched by contact between the isolation reversing switch blocking mechanism and power switch blocking mechanism.
In the prior art, it is typically all to be independently arranged that reversing switch blocking mechanism and power switch blocking mechanism, which is isolated, , when needing to open the electric door of equipment, it is necessary first to first turn off the power switch blocking mechanism, accessory power supply is made to close, so After turn off isolation reversing switch blocking mechanism, so that main circuit power is closed, could open equipment electric door, progress daily maintenance Or repair operation, operation are very complicated.However, during actual use, live operating personnel often forget to simultaneously close off Two power supplys or wherein a certain power supply, direct violence open electric door and are operated and damage blocking mechanism, and there are also behaviour Think that oneself is experienced as personnel, need not close power supply can also be operated, in this way, often cause safety accident, this Safety problem always urgently to be resolved hurrily.
Therefore, how so that close at the same time main circuit power and accessory power supply and it is easy to operate in the case of, ability It is technical problem to be solved in the utility model to open electric door and carry out internal operation.In solution, this technology is asked for many producers When topic, it is typically provided with door lock on electric door, needs to open by key, or opens two sets of major loops respectively Power supply and accessory power supply blocking mechanism, then plant maintenance is carried out, it is very troublesome.
The utility model devises special isolation reversing switch blocking mechanism and power switch locking according to this problem Mechanism, the two are mutually got in touch with, and a set of blocking device is combined into, and can simplify lock operation action.
The isolation reversing switch blocking mechanism includes disconnecting switch Handleset, is latched travel switch and drive component, The disconnecting switch Handleset be arranged on sidewall paneling and with sidewall paneling elastic connection, the driving component includes commutating tooth Wheel, transmission gear and drive block, disconnecting switch Handleset are fixedly connected with tumbler gear, the tumbler gear and transmission gear Corresponding, the locking travel switch is correspondingly arranged at tumbler gear side, can band by pressing disconnecting switch Handleset Dynamic tumbler gear is axially moveable so that tumbler gear press locking travel switch realize electric blocking, and make tumbler gear with Transmission gear is meshed, and the drive block is fixed on transmission gear, and drive block is connect with door lock, and disconnecting switch Handleset is logical It crosses tumbler gear band nutating gear and drive block rotates so that door lock unlock or closing;
The power switch blocking mechanism includes power switch Handleset and power-supply isolation switch, the power switch hand Handle component is arranged on sidewall paneling and is connect with power-supply isolation switch.
However, isolation reversing switch blocking mechanism and power switch blocking mechanism are respectively two sets of independent agencies, if Lockable mechanism is respectively set on two sets of independent agencies, complicated, operation is very troublesome, and cost of manufacture is also higher.Therefore, how A kind of simple structure is set, isolation reversing switch blocking mechanism and power switch blocking mechanism can be made to realize linkage, once-through operation It is that the utility model needs another problem solved that safety unlock or locking, which can be realized,.
The utility model devises special contact locking bar assembly, by isolation reversing switch blocking mechanism and power switch Blocking mechanism is effectively connected together, and the contact locking bar assembly includes the first deadlock lever, the second deadlock lever, connecting rod and lock Bar, first deadlock lever are flexibly connected with disconnecting switch Handleset, can be driven by rotating disconnecting switch Handleset First deadlock lever is axially moveable, and the second deadlock lever is flexibly connected with power switch Handleset, by rotating power switch hand Handle component can drive the second deadlock lever to be axially moveable, and the locking bar is solid by connecting rod and the first deadlock lever, the second deadlock lever Fixed connection, the first deadlock lever, the second deadlock lever can drive locking bar to be axially moveable by connecting rod.
For the ease of operation, the disconnecting switch Handleset include disconnecting switch handle, disconnecting switch handle set and every From switch shaft, the disconnecting switch handle is fixedly connected with disconnecting switch handle set, the disconnecting switch handle set by every It is fixedly connected with tumbler gear from switch shaft.
For the ease of realization locking and unlocking function, the first obturator hernia is offered on the disconnecting switch handle set, it is described First obturator hernia is corresponding with the first deadlock lever, the first deadlock lever can be made to be inserted into or be detached from by rotating disconnecting switch handle set First obturator hernia simultaneously drives the first deadlock lever to be axially moveable.
Operating personnel's just directly rotation isolation in the case where reversing switch blocking mechanism is isolated in no pressing in order to prevent Switch knob leads to damage of components, and latch is fixed on the sidewall paneling, and locking hole, institute are offered on the tumbler gear It is corresponding with latch to state locking hole, being provided on the disconnecting switch Handleset, which can make latch be detached from locking hole, realizes The button assembly of tumbler gear unlock.
For the ease of operation, the power switch Handleset includes power switch handle, power switch handle set and electricity Source switch shaft, power switch handle are fixedly connected with power switch handle set, and power switch handle set is turned by power switch Axis is connect with power-supply isolation switch.
For the ease of realization locking and unlocking function, the second obturator hernia is offered on the power switch handle set, it is described Second obturator hernia is corresponding with the second deadlock lever, the second deadlock lever can be made to be inserted into or be detached from by rotating power switch handle set Second obturator hernia simultaneously drives the second deadlock lever to be axially moveable.
Prevent damage of components, power switch handle side from corresponding to and setting to control power switch rotatable handle range It is equipped with the spacing column of the rotational angle limit to power switch handle.
First deadlock lever, the second deadlock lever bias motion track in order to prevent, it is dead that there is a phenomenon where door lock rods, and described first Deadlock lever, the second deadlock lever are mounted on by the way that seat is mounted in sidewall paneling.
In order to further prevent locking bar stuck, the locking bar is mounted on by locking bar mounting base in sidewall paneling, locking bar and lock Elastic connection between bar mounting base.
The utility model has the beneficial effects that:The electric apparatus for explosive atmospheres combines electromechanical blocking device and is closed reversing switch is isolated Latch mechanism and power switch blocking mechanism are latched bar assembly by contact and cooperate, and simplify lock operation action, prevent from opening the door When keep apart and close lock and accessory power supply and close a floodgate, ensure that under the premise of must simultaneously switching off main circuit power and accessory power supply Opening door operation can be carried out, the reliability of safety and the operation of product is improved.
Description of the drawings
Fig. 1 is the front view that the utility model electric apparatus for explosive atmospheres combines electromechanical blocking device;
Fig. 2 is the sectional view that the utility model electric apparatus for explosive atmospheres combines electromechanical blocking device.
Specific implementation mode:
The preferred embodiment of the utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model It can be more easy to be understood by those skilled in the art with feature, to make apparent specific boundary to the scope of protection of the utility model It is fixed.Direction term that the utility model is previously mentioned, such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom" etc., Only it is the direction with reference to annexed drawings.Therefore, the direction term used be illustrate and understand the utility model, rather than to Limit the utility model.
As shown in Figure 1, a kind of electric apparatus for explosive atmospheres combines electromechanical blocking device, include being isolated with what main circuit power connected Reversing switch blocking mechanism 1 and the power switch blocking mechanism 2 being connect with accessory power supply, the isolation reversing switch blocking mechanism Bar assembly 3 is latched between power switch blocking mechanism by contact to connect.
As shown in Fig. 2, the isolation reversing switch blocking mechanism 1 includes disconnecting switch Handleset, locking travel switch 5 And drive component, the disconnecting switch Handleset be arranged on sidewall paneling and with sidewall paneling elastic connection, the driving component Including tumbler gear 15, transmission gear 16 and drive block 17, disconnecting switch Handleset is fixedly connected with tumbler gear 15, described Tumbler gear 15 is corresponding with transmission gear 16, and the locking travel switch 5 is correspondingly arranged at 15 side of tumbler gear, by pressing Button assembly on dynamic disconnecting switch Handleset can drive tumbler gear 15 to be axially moveable, so that tumbler gear 15 presses It is latched travel switch 5 and realizes electric blocking, and tumbler gear 15 is made to be meshed with transmission gear 16, the drive block 17 is fixed on On transmission gear 16, drive block 17 is connect with door lock, and disconnecting switch Handleset is by tumbler gear 15 with nutating gear 16 And drive block 17 rotates so that door lock unlock or closing.
The power switch blocking mechanism 2 includes power switch Handleset and power-supply isolation switch 6, the power switch Handleset is arranged on sidewall paneling and is connect with power-supply isolation switch 6.
Contact locking bar assembly includes the first deadlock lever 32, the second deadlock lever 31, connecting rod 33 and locking bar 34, and described the One deadlock lever 32 is flexibly connected with disconnecting switch Handleset, and the first locking can be driven by rotating disconnecting switch Handleset Bar 32 is axially moveable, and the second deadlock lever 31 is flexibly connected with power switch Handleset, by rotating power switch handle group Part can drive the second deadlock lever 31 to be axially moveable, and the locking bar 34 is latched by connecting rod 33 and the first deadlock lever 32, second Bar 31 is fixedly connected, and the first deadlock lever 32, the second deadlock lever 31 can drive locking bar 34 to be axially moveable by connecting rod 33.It is described First deadlock lever 32, the second deadlock lever 31 are mounted on by the way that seat 36 is mounted in sidewall paneling, and the locking bar 34 is pacified by locking bar It fills seat 35 to be mounted in sidewall paneling, elastic connection between locking bar 34 and locking bar mounting base 35.
The disconnecting switch Handleset includes disconnecting switch handle 11, disconnecting switch handle set 12 and disconnecting switch shaft 14, the disconnecting switch handle 11 is fixedly connected with disconnecting switch handle set 12, and the disconnecting switch handle set 12 passes through isolation Switch shaft 14 is fixedly connected with tumbler gear 15, and button assembly, the button assembly are provided in disconnecting switch handle set 12 Including button 13 and spring pocket 19, the button 13 passes through pressing by spring pocket 19 and 14 elastic connection of disconnecting switch shaft Button 13 can make disconnecting switch shaft 14 that tumbler gear 15 be driven to move, you can realize that locking travel switch 5 is closed, cut-out master Circuit load power.The first obturator hernia, first obturator hernia and the first locking are offered on the disconnecting switch handle set 12 Bar 32 is corresponding, the first deadlock lever 32 can be made to be inserted into or be detached from the first obturator hernia and band by rotating disconnecting switch handle set 12 Dynamic first deadlock lever 32 is axially moveable.
Be fixed with latch 18 on the sidewall paneling, offer locking hole on the tumbler gear 15, the locking hole with Latch 18 is corresponding, latch 18 can be made to be detached from locking hole by the button 13 pressed on disconnecting switch handle set 12 and realized Tumbler gear 15 unlocks.
The power switch Handleset includes power switch handle 21, power switch handle set 22 and power switch shaft 23, power switch handle 21 is fixedly connected with power switch handle set 22, and power switch handle set 22 passes through power switch shaft 23 connect with power-supply isolation switch 6.Offer the second obturator hernia on the power switch handle set 22, second obturator hernia with Second deadlock lever 31 is corresponding, the insertion of the second deadlock lever 31 or disengaging second can be made to close by rotating power switch handle set 22 Lockhole simultaneously drives the second deadlock lever 31 to be axially moveable.21 side of power switch handle is correspondingly arranged on to power switch hand The spacing column 4 of the rotational angle limit of handle 21.
Before opening equipment electric door, resisted since the first deadlock lever 32 is isolated switch handle set 12, the second deadlock lever 31 are resisted by power switch handle set 22, at this point, locking bar 34 and door lock are in off state, electric door can not be opened, together When, tumbler gear 15 is locked up block 18 and blocks, and disconnecting switch handle 11 can not turn.When needing to open electric door, twist first Dynamic power switch handle 21, when being screwed onto open position, power-supply isolation switch 6 is closed, and realizes accessory power supply break-make, meanwhile, the Two deadlock levers 31 are just inserted into the second obturator hernia of power switch handle set 22, and the position of the second deadlock lever 31 integrally moves to right (direction shown in Fig. 1) then presses the button 13 on disconnecting switch handle set 12, then tumbler gear 15 moves to left and is detached from locking Block 18 (direction shown in Fig. 2), tumbler gear 15 press locking travel switch 5 and realize electric blocking, cut off main circuit power, together When tumbler gear 15 just engaged with transmission gear 16, turn disconnecting switch handle 11, when being screwed onto stop position, first at this time Deadlock lever 32 is just inserted into the first obturator hernia of disconnecting switch handle set 12, and the position of the first deadlock lever 32 integrally moves to right (Fig. 1 Shown in direction), drive connecting rod 33 and locking bar 34 are also whole to move to right since the first deadlock lever 32, the second deadlock lever 31 move to right, this Hour locking lever 34 can unlock, and the rotation of disconnecting switch handle 11 also drives tumbler gear 15 and transmission gear 16 to rotate simultaneously, from And drive block 17 and door lock is driven to rotate, door lock also unlocks at this time, opens the state that electric door is overall safety at this time.Also It is to say, in the case of blocking device is unlocked when different and is not powered off, electric door can not be opened, as long as and opens electrical Door, then must be the state in power-off, thus it is guaranteed that safety.
Compared with prior art, the electric apparatus for explosive atmospheres combination electromechanical blocking device will be isolated reversing switch blocking mechanism and Power switch blocking mechanism is latched bar assembly by contact and cooperates, and simplifies lock operation action, prevents from keeping apart when opening the door It closes lock and accessory power supply closes a floodgate, ensure that could be opened under the premise of must simultaneously switching off main circuit power and accessory power supply Door operation improves the reliability of safety and the operation of product.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The scope of protection of the utility model.

Claims (9)

1. a kind of electric apparatus for explosive atmospheres combines electromechanical blocking device, it is characterised in that:Include being isolated with what main circuit power connected Reversing switch blocking mechanism and the power switch blocking mechanism being connect with accessory power supply, the isolation reversing switch blocking mechanism with Bar assembly connection is latched by contact between power switch blocking mechanism;
The isolation reversing switch blocking mechanism includes disconnecting switch Handleset, is latched travel switch and drive component, described Disconnecting switch Handleset be arranged on sidewall paneling and with sidewall paneling elastic connection, the driving component include tumbler gear, pass Moving gear and drive block, disconnecting switch Handleset are fixedly connected with tumbler gear, and the tumbler gear is opposite with transmission gear Answer, the locking travel switch is correspondingly arranged at tumbler gear side, by press disconnecting switch Handleset can band move It is axially moveable to gear, so that tumbler gear presses locking travel switch and realizes electric blocking, and makes tumbler gear and transmission Gear is meshed, and the drive block is fixed on transmission gear, and drive block is connect with door lock, and disconnecting switch Handleset is by changing It is rotated to gear band nutating gear and drive block so that door lock unlock or closing;
The power switch blocking mechanism includes power switch Handleset and power-supply isolation switch, the power switch handle group Part is arranged on sidewall paneling and is connect with power-supply isolation switch;
Contact locking bar assembly includes the first deadlock lever, the second deadlock lever, connecting rod and locking bar, first deadlock lever with every It leaves and closes Handleset flexible connection, the first deadlock lever can be driven to be axially moveable by rotating disconnecting switch Handleset, Second deadlock lever is flexibly connected with power switch Handleset, and the second locking can be driven by rotating power switch Handleset Bar is axially moveable, and the locking bar is fixedly connected by connecting rod with the first deadlock lever, the second deadlock lever, the first deadlock lever, second Deadlock lever can drive locking bar to be axially moveable by connecting rod.
2. electric apparatus for explosive atmospheres according to claim 1 combines electromechanical blocking device, it is characterised in that:The disconnecting switch Handleset includes disconnecting switch handle, disconnecting switch handle set and disconnecting switch shaft, the disconnecting switch handle be isolated Switch knob seat is fixedly connected, and the disconnecting switch handle set is fixedly connected by disconnecting switch shaft with tumbler gear.
3. electric apparatus for explosive atmospheres according to claim 2 combines electromechanical blocking device, it is characterised in that:The disconnecting switch The first obturator hernia is offered on handle set, first obturator hernia is corresponding with the first deadlock lever, by rotating disconnecting switch hand Handle seat can make the first deadlock lever be inserted into or be detached from the first obturator hernia and the first deadlock lever is driven to be axially moveable.
4. electric apparatus for explosive atmospheres according to claim 1 or 2 combines electromechanical blocking device, it is characterised in that:The side wall It is fixed with latch on plate, locking hole is offered on the tumbler gear, the locking hole is corresponding with latch, the isolation Being provided on switch knob component can make latch be detached from the button assembly that locking hole realizes tumbler gear unlock.
5. electric apparatus for explosive atmospheres according to claim 1 or 2 combines electromechanical blocking device, it is characterised in that:The power supply Switch knob component includes power switch handle, power switch handle set and power switch shaft, power switch handle and power supply Switch knob seat is fixedly connected, and power switch handle set is connect by power switch shaft with power-supply isolation switch.
6. electric apparatus for explosive atmospheres according to claim 5 combines electromechanical blocking device, it is characterised in that:The power switch The second obturator hernia is offered on handle set, second obturator hernia is corresponding with the second deadlock lever, by rotating power switch hand Handle seat can make the second deadlock lever be inserted into or be detached from the second obturator hernia and the second deadlock lever is driven to be axially moveable.
7. electric apparatus for explosive atmospheres according to claim 5 combines electromechanical blocking device, it is characterised in that:The power switch Handle side is correspondingly arranged on the spacing column of the rotational angle limit to power switch handle.
8. electric apparatus for explosive atmospheres according to claim 1 combines electromechanical blocking device, it is characterised in that:First locking Bar, the second deadlock lever are mounted on by the way that seat is mounted in sidewall paneling.
9. electric apparatus for explosive atmospheres according to claim 1 combines electromechanical blocking device, it is characterised in that:The locking bar passes through Locking bar mounting base is mounted in sidewall paneling, elastic connection between locking bar and locking bar mounting base.
CN201820568129.6U 2018-04-19 2018-04-19 Electric apparatus for explosive atmospheres combines electromechanical blocking device Active CN207993720U (en)

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CN201820568129.6U CN207993720U (en) 2018-04-19 2018-04-19 Electric apparatus for explosive atmospheres combines electromechanical blocking device

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CN201820568129.6U CN207993720U (en) 2018-04-19 2018-04-19 Electric apparatus for explosive atmospheres combines electromechanical blocking device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108400039A (en) * 2018-04-19 2018-08-14 天地(常州)自动化股份有限公司 Electric apparatus for explosive atmospheres combines electromechanical blocking device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108400039A (en) * 2018-04-19 2018-08-14 天地(常州)自动化股份有限公司 Electric apparatus for explosive atmospheres combines electromechanical blocking device
CN108400039B (en) * 2018-04-19 2023-11-14 天地(常州)自动化股份有限公司 Combined electromechanical locking device of explosion-proof electrical equipment

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