CN202530893U - Locking mechanism for electrical device in underground coal mine - Google Patents
Locking mechanism for electrical device in underground coal mine Download PDFInfo
- Publication number
- CN202530893U CN202530893U CN2012201601416U CN201220160141U CN202530893U CN 202530893 U CN202530893 U CN 202530893U CN 2012201601416 U CN2012201601416 U CN 2012201601416U CN 201220160141 U CN201220160141 U CN 201220160141U CN 202530893 U CN202530893 U CN 202530893U
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- locking
- fork plate
- base
- shift shaft
- containing hole
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Abstract
The utility model discloses a locking mechanism for an electrical device in an underground coal mine. The locking mechanism comprises a mounting support, a locking bolt and a driving part, the mounting support is provided with a sliding hole and a containing hole and comprises a base and a locking body, the containing hole penetrates through the base and the locking body, the driving part comprises a shifting fork shaft, a shifting fork plate and an elastic part, one end of the shifting fork shaft is positioned in the containing hole of the base, the other end of the shifting fork shaft is positioned in the containing hole of the locking body, one end of the shifting fork plate is fixedly connected with the middle of the shifting fork shaft, a positioning pin is fixed to the other end of the shifting fork plate, a locking groove is arranged in the middle of the locking bolt, a containing groove is arranged on one side of the locking groove close to the locking body, the containing groove is opposite to and communicated with the locking groove, one end of the shifting fork plate provided with the positioning pin is positioned in the containing groove, locking holes are arranged in a sliding groove of the locking body and correspond to the locking groove, and one end of the positioning pin far away from the shifting fork plate penetrates through the locking groove and enters the corresponding locking hole. The locking mechanism with the structure is simple in structure and reliable in locking, and can effectively prevent misoperation.
Description
Technical field
The utility model relates to a kind of blocking mechanism of underground mine use electric fixtures.
Background technology
In underground mine use electric fixtures work under bad environment, break down and carry out service work at electric fixtures to regulation must be opened electric fixtures during the time between overhauls(TBO) cabinet door, therefore must flexible movements with the supporting blocking mechanism of equipment box and locking reliable.The 10th chapter is clearly stipulated among the standard GB 3836.1-2010 " explosive atmosphere part 1: Device-General require " in addition: " for keeping the interlock of special-purpose type of explosion proof construc tion, its structure should guarantee that non-special tool can not remove its effect easily ".The structure of right existing blocking mechanism is all unreasonable, and is difficult to satisfy the Compulsory Feature of national new edition standard, can not effectively avoid the layman to operate electric fixtures and the accident that meets accident without authorization, has bigger potential safety hazard.Therefore, be badly in need of a kind of simple and reasonable, safe and reliable blocking mechanism on the market.
Summary of the invention
It is reliable and can effectively prevent the blocking mechanism of the underground mine use electric fixtures that maloperation takes place that the purpose of the utility model provides a kind of simple and reasonable, locking.
The technical scheme that realizes the utility model purpose is:
A kind of blocking mechanism of underground mine use electric fixtures, what comprise mounting bracket, the locking bolt that is arranged in slide opening that is provided with slide opening and containing hole and be arranged in containing hole is used for driving the actuator that the locking bolt moves back and forth at slide opening; Said slide opening and mutual vertical setting of containing hole and middle part UNICOM.
Said mounting bracket comprises base and atretic body; The middle part of said atretic body inside wall is provided with the chute that connects atretic body, and the inside wall of said chute and base is formed slide opening; Said containing hole connects base and atretic body.
Said actuator comprise be arranged in containing hole and can be along the declutch shift shaft that axially moves back and forth of containing hole, be fixed on the fork plate on the declutch shift shaft and the elastic component of reseting elasticity be provided for actuator; One end of said declutch shift shaft is arranged in the containing hole of base, and the other end is arranged in the containing hole of atretic body; One end of said fork plate is fixedly connected with the middle part of declutch shift shaft, and the other end of fork plate is fixed an alignment pin.
The middle part of said locking bolt is provided with locked groove; Be provided with holding tank at locked groove near a side of base, said holding tank and locked groove are over against being provided with and UNICOM; The end that said fork plate is provided with alignment pin is arranged in holding tank, is provided with lockhole with the locked groove correspondence position in the said atretic body chute, and said lockhole comprises obturator hernia and open keyhole; Obturator hernia is used for ccontaining alignment pin when locking, and open keyhole is used for ccontaining alignment pin when unblanking, and said alignment pin passes locked groove away from an end of fork plate and gets in the corresponding lockhole.
In the technique scheme, said holding tank is arranged on the inside wall that perhaps is arranged on atretic body on the locking bolt or is arranged on the inside wall of locking bolt and base.
In the technique scheme, said locking bolt comprises rectangular-shaped drive block and a deadlock lever and a gag lever post of outwards being convexly equipped with out from the two side ends of drive block respectively; Said locked groove is positioned at the top of drive block; The shape of said slide opening and the shape of drive block are suitable.
The quantity of said lockhole is two, is obturator hernia near a lockhole of deadlock lever, is open keyhole near a lockhole of gag lever post.
In the technique scheme, the width of said holding tank is greater than the length in the alignment pin insertion lockhole and the thickness sum of fork plate.
In the technique scheme, said elastic component is spiral yarn shaped compression spring; Said base is provided with the copper sheathing of tubulose; Said declutch shift shaft is arranged in the tube chamber of copper sheathing near an end of base; The compression spring is between copper sheathing and fork plate and be set on the declutch shift shaft, and the one of which end is against on the copper sheathing, and the other end is against on the fork plate or is against on the blocking surface that is arranged at declutch shift shaft.
In the technique scheme, the lateral wall of atretic body is stretched out in the outer end of declutch shift shaft, and its cross sectional shape is a polygon or semicircle.
In the technique scheme, said mounting bracket adopts the mode of welding or bolt that it is installed on the electric fixtures.
The utlity model has positive effect:
(1) blocking mechanism of the underground mine use electric fixtures in the utility model must promote declutch shift shaft earlier by special tool earlier when locking/unlock operation, and declutch shift shaft drives alignment pin and from the lockhole of the correspondence of atretic body, retreats in the locked groove in the process that moves; Drive the alignment pin rotation through reversing declutch shift shaft again; Can further drive moving of locking bolt in the locked groove because alignment pin is stuck in, and then carry out locking/unlock operation, be that the deadlock lever of locking bolt stretches out fully from slide opening or returns fully and promptly is in the locking or unlocking state after locking/unlocking action is accomplished; At this moment; Remove external force, under the effect of elastic component, alignment pin gets in the corresponding lockhole once more; At this moment since alignment pin pass locked groove and be stuck in the lockhole; Reverse declutch shift shaft in any case all can't carry out lock operation this moment, effectively prevented the generation of misoperation, also more reasonable and locking is more reliable than traditional blocking mechanism.
Description of drawings
Fig. 1 is a kind of perspective view of the blocking mechanism in the utility model;
Fig. 2 is Fig. 1 a kind of perspective view during from another viewed;
Fig. 3 is a kind of forward view of Fig. 1;
Fig. 4 is first kind of structural representation after Fig. 3 dissects along the A-A line;
Fig. 5 saves a kind of perspective view behind the mounting bracket for blocking mechanism in the utility model;
Fig. 6 is a kind of perspective view of Fig. 5 during from another viewed;
Fig. 7 is a kind of forward view of locking bolt in the utility model;
Fig. 8 is a kind of forward view of Fig. 7 during from another viewed;
Fig. 9 is in a kind of structural representation of blocking for the blocking mechanism in the utility model;
Figure 10 is in a kind of structural representation of unlocking condition for blocking mechanism in the utility model;
Figure 11 is that the blocking mechanism of second kind of structure of the utility model is along A-A line side cross sectional view;
Figure 12 is that the blocking mechanism of the third structure of the utility model is along A-A line side cross sectional view;
Reference numeral shown in the figure is: the 1-mounting bracket; The 11-slide opening; The 12-containing hole; The 13-base; The 14-atretic body; The 141-lockhole; The 1411-obturator hernia; The 1412-open keyhole; The 15-copper sheathing; 2-locking bolt; The 21-locked groove; The 22-holding tank; The 23-drive block; The 24-deadlock lever; The 25-gag lever post; The 3-actuator; The 31-declutch shift shaft; The outer end of 311-declutch shift shaft; The 32-fork plate; The 33-elastic component; The 34-alignment pin.
The specific embodiment
(embodiment 1)
Fig. 1 to Figure 10 has shown a kind of specific embodiment of the utility model.Wherein, Fig. 1 is a kind of perspective view of the blocking mechanism of underground mine use electric fixtures in the utility model; Fig. 2 is Fig. 1 a kind of perspective view during from another viewed; Fig. 3 is a kind of forward view of Fig. 1; Fig. 4 is first kind of structural representation after Fig. 3 dissects along the A-A line; Fig. 5 is a kind of perspective view after the blocking mechanism of underground mine use electric fixtures in the utility model saves mounting bracket; Fig. 6 is a kind of perspective view of Fig. 5 during from another viewed; Fig. 7 is a kind of forward view of locking bolt in the utility model; Fig. 8 is a kind of forward view of Fig. 7 during from another viewed; Fig. 9 is in a kind of structural representation of blocking for blocking mechanism in the utility model; Figure 10 is in a kind of structural representation of unlocking condition for blocking mechanism in the utility model;
A kind of blocking mechanism of underground mine use electric fixtures; To shown in Figure 4, what comprise the mounting bracket 1 that is provided with slide opening 11 and containing hole 12, be arranged in the locking bolt 2 of slide opening 11 and be arranged in containing hole 12 is used for driving the actuator 3 that locking bolt 2 moves back and forth at slide opening 11 like Fig. 1; Said slide opening 11 and containing hole 12 mutual vertical setting and middle part UNICOMs; Said mounting bracket 1 comprises base 13 and atretic body 14; The middle part of said atretic body 14 inside walls is provided with the chute that connects atretic body 14, and the inside wall of said chute and base 13 is formed slide opening 11; Said containing hole 12 connects base 13 and atretic body 14; Said actuator 3 comprise be arranged in containing hole 12 and can be along the declutch shift shaft that axially moves back and forth 31 of containing hole 12, be fixed on the fork plate 32 on the declutch shift shaft 31 and the elastic component 33 of reseting elasticity be provided for actuator 3; One end of said declutch shift shaft 31 is arranged in the containing hole 12 of base 13, and the other end is arranged in the containing hole 12 of atretic body 14; One end of said fork plate 32 is fixedly connected with the middle part of declutch shift shaft 31, and the other end of fork plate 32 is fixed an alignment pin 34; The middle part of said locking bolt 2 is provided with locked groove 21; Be provided with holding tank 22 at locked groove 21 near a side of base 13, said holding tank 22 and locked groove 21 are over against being provided with and UNICOM; The end that said fork plate 32 is provided with alignment pin 34 is arranged in holding tank 22, is provided with lockhole 141 with locked groove 21 correspondence positions in said atretic body 14 chutes, and said lockhole 141 comprises obturator hernia 1411 and open keyhole 1412; Obturator hernia 1411 is used for ccontaining alignment pin 34 when locking, and open keyhole 1412 is used for ccontaining alignment pin 34 when unblanking, and said alignment pin 34 passes in the corresponding lockhole 141 of locked groove 21 entering away from an end of fork plate 32.
Referring to Fig. 9 and Figure 10, this blocking mechanism must promote declutch shift shaft 31 earlier by special tool earlier when locking/unlock operation; Declutch shift shaft 31 drives alignment pin 34 and from the lockhole 141 of the correspondence of atretic body 14, retreats in the locked groove 21 in the process that moves, drive alignment pin 34 rotations through reversing declutch shift shaft 31 again, can further drive moving of locking bolt 2 in the locked groove 21 because alignment pin 34 is stuck in; And then carry out locking/unlock operation; Be that the deadlock lever 24 of locking bolt 2 stretches out fully from slide opening 11 or returns fully and promptly is in the locking or unlocking state after locking/unlocking action is accomplished, at this moment, remove external force; Under the effect of elastic component 33; Alignment pin 34 gets in the corresponding lockhole 141 once more, and at this moment because alignment pin 34 passes locked groove 21 and is stuck in the lockhole 141, reverse declutch shift shaft 31 in any case and all can't carry out lock operation this moment; Effectively prevented the generation of misoperation, also more simplification and locking are more reliable than traditional blocking mechanism structure.
In conjunction with Fig. 4, Fig. 7 and Fig. 8, in the present embodiment, said holding tank 22 is arranged on the locking bolt 2, and said holding tank 22 is positioned at the side of locking bolt 2 near base 13, and locked groove 21 is positioned on the locking bolt 2 side near atretic body 14.
Like Fig. 7 and shown in Figure 8, said locking bolt 2 comprises rectangular-shaped drive block 23 and a deadlock lever 24 and a gag lever post 25 of outwards being convexly equipped with out from the two side ends of drive block 23 respectively; Said locked groove 21 is positioned at the top of drive block 23; The shape of the shape of said slide opening 11 and drive block 23 is suitable; The quantity of said lockhole 141 is two, is obturator hernia 1411 near the lockhole 141 of deadlock lever 24, is open keyhole 1412 near the lockhole 141 of gag lever post 25, like Fig. 5 and Fig. 6.
The width of said holding tank 22 adopts this structure when carrying out lock operation greater than the length in the alignment pin 34 insertion lockholes 141 and the thickness sum of fork plate 32, guarantees that alignment pin 34 can withdraw from from lockhole 141 fully.
Said elastic component 33 is spiral yarn shaped compression spring; Said base 13 is provided with the copper sheathing 15 of tubulose; Said declutch shift shaft 31 is arranged in the tube chamber of copper sheathing 15 near an end of base 13, and the compression spring is between copper sheathing 15 and fork plate 32 and be set on the declutch shift shaft 31, and the one of which end is against on the copper sheathing 15; The other end is against on the fork plate 32, and is as shown in Figure 4; In concrete practice, can on declutch shift shaft 31, blocking surface be set, the other end of compression spring can be against on this blocking surface.
The lateral wall of atretic body 14 is stretched out in the outer end 311 of declutch shift shaft, and its cross sectional shape is a polygon or semicircle.When carrying out lock operation, reverse the outer end 311 of declutch shift shaft through instrument and rotate declutch shift shaft; The cross sectional shape of the declutch shift shaft outer end of adopting in the present embodiment is subtriangular; Said mounting bracket 1 adopts the mode of welding or bolt that it is installed on the outer wall of electric fixtures.
(embodiment 2)
Figure 11 be the blocking mechanism of second kind of structure of the utility model along A-A line side cross sectional view, shown second kind of specific embodiment of the utility model.Present embodiment and embodiment 1 are basic identical, and difference is: said holding tank 22 is arranged on the inside wall of atretic body 14.
(embodiment 3)
Figure 12 be the blocking mechanism of the third structure of the utility model along A-A line side cross sectional view, shown the third specific embodiment of the utility model.Present embodiment and embodiment 1 are basic identical, and difference is: it is that holding tank 22 is made up of with the groove that is arranged on base 13 inside walls the groove that is arranged on the locking bolt 2 that said holding tank 22 is arranged on the inside wall of locking bolt 2 and base 13.
Blocking mechanism in the foregoing description is arranged on the underground mine use electric fixtures as being arranged on the flame-proof mine vacuum electromagnetic starter; Need above-mentioned blocking mechanism is arranged on the sidewall of chamber door one side; Also be provided with control handle on the same sidewall of blocking mechanism simultaneously; Control handle is provided with slot, and the outboard end of chamber door and blocking mechanism correspondence position are provided with hole clipping, when opening chamber door; The deadlock lever of locking bolt withdrawed to accomplish from hole clipping unblanks, the slot that the gag lever post on the locking this moment bolt is arranged in control handle to prevent control handle because the security incident that maloperation possibly cause; When needing the locking chamber door, the deadlock lever of the locking bolt of blocking mechanism is pushed in the hole clipping of chamber door and can accomplish, the gag lever post on the bolt of locking simultaneously breaks away from from the jack of control handle, but normal running this moment control handle.
Obviously, the foregoing description of the utility model only be for explain clearly that the utility model does for example, and be not to be qualification to the embodiment of the utility model.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all embodiments.And conspicuous variation that these connotations that belong to the utility model are extended out or change still belong to the protection domain of the utility model.
Claims (7)
1. the blocking mechanism of a underground mine use electric fixtures, what comprise the mounting bracket (1) that is provided with slide opening (11) and containing hole (12), be arranged in the locking bolt (2) of slide opening (11) and be arranged in containing hole (12) is used for driving the actuator (3) that locking bolt (2) moves back and forth at slide opening (11); Said slide opening (11) and mutual vertical setting of containing hole (12) and middle part UNICOM; It is characterized in that:
Said mounting bracket (1) comprises base (13) and atretic body (14); The middle part of said atretic body (14) inside wall is provided with the chute that connects atretic body (14), and the inside wall of said chute and base (13) is formed slide opening (11); Said containing hole (12) connects base (13) and atretic body (14);
Said actuator (3) comprise be arranged in containing hole (12) and can be along the declutch shift shaft that axially moves back and forth (31) of containing hole (12), be fixed on the fork plate (32) on the declutch shift shaft (31) and the elastic component (33) of reseting elasticity be provided for actuator (3); One end of said declutch shift shaft (31) is arranged in the containing hole (12) of base (13), and the other end is arranged in the containing hole (12) of atretic body (14); One end of said fork plate (32) is fixedly connected with the middle part of declutch shift shaft (31), and the other end of fork plate (32) is fixed an alignment pin (34);
The middle part of said locking bolt (2) is provided with locked groove (21); Be provided with holding tank (22) at locked groove (21) near a side of base (13), said holding tank (22) and locked groove (21) are over against being provided with and UNICOM; The end that said fork plate (32) is provided with alignment pin (34) is arranged in holding tank (22), is provided with lockhole (141) with locked groove (21) correspondence position in said atretic body (14) chute, and said lockhole (141) comprises obturator hernia (1411) and open keyhole (1412); Obturator hernia (1411) is used for ccontaining alignment pin (34) when locking, and open keyhole (1412) is used for ccontaining alignment pin (34) when unblanking, and said alignment pin (34) passes in locked groove (21) the corresponding lockhole of entering (141) away from an end of fork plate (32).
2. the blocking mechanism of underground mine use electric fixtures according to claim 1 is characterized in that: said holding tank (22) is arranged on the inside wall that perhaps is arranged on atretic body (14) on the locking bolt (2) or is arranged on the inside wall of locking bolt (2) and base (13).
3. the blocking mechanism of underground mine use electric fixtures according to claim 2 is characterized in that: said locking bolt (2) comprises rectangular-shaped drive block (23) and the deadlock lever (24) and the gag lever post (25) that outwards are convexly equipped with out from the two side ends of drive block (23) respectively; Said locked groove (21) is positioned at the top of drive block (23); The shape of the shape of said slide opening (11) and drive block (23) is suitable;
The quantity of said lockhole (141) is two, is obturator hernia (1411) near the lockhole (141) of deadlock lever (24), is open keyhole (1412) near the lockhole (141) of gag lever post (25).
4. the blocking mechanism of underground mine use electric fixtures according to claim 3 is characterized in that: the width of said holding tank (22) is greater than the length in alignment pin (34) the insertion lockhole (141) and the thickness sum of fork plate (32).
5. the blocking mechanism of underground mine use electric fixtures according to claim 4 is characterized in that: said elastic component (33) is spiral yarn shaped compression spring;
Said base (13) is provided with the copper sheathing (15) of tubulose; Said declutch shift shaft (31) is arranged in the tube chamber of copper sheathing (15) near an end of base (13); The compression spring is positioned between copper sheathing (15) and the fork plate (32) and is set on the declutch shift shaft (31); The one of which end is against on the copper sheathing (15), and the other end is against fork plate (32) and goes up or be against on the blocking surface that is arranged at declutch shift shaft (31).
6. the blocking mechanism of underground mine use electric fixtures according to claim 5 is characterized in that: the lateral wall of atretic body (14) is stretched out in the outer end of declutch shift shaft (311), and its cross sectional shape is a polygon or semicircle.
7. according to the blocking mechanism of each described underground mine use electric fixtures in the claim 1 to 6, it is characterized in that: said mounting bracket (1) adopts the mode of welding or bolt that it is installed on the electric fixtures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201601416U CN202530893U (en) | 2012-04-16 | 2012-04-16 | Locking mechanism for electrical device in underground coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201601416U CN202530893U (en) | 2012-04-16 | 2012-04-16 | Locking mechanism for electrical device in underground coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202530893U true CN202530893U (en) | 2012-11-14 |
Family
ID=47132083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201601416U Expired - Fee Related CN202530893U (en) | 2012-04-16 | 2012-04-16 | Locking mechanism for electrical device in underground coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202530893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410386A (en) * | 2013-07-18 | 2013-11-27 | 镇江泰源电器科技有限公司 | Switchgear outdoor electromagnetic lock |
-
2012
- 2012-04-16 CN CN2012201601416U patent/CN202530893U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410386A (en) * | 2013-07-18 | 2013-11-27 | 镇江泰源电器科技有限公司 | Switchgear outdoor electromagnetic lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20200416 |