CN201466471U - Safety device of high-voltage complete-set switch cabinet - Google Patents
Safety device of high-voltage complete-set switch cabinet Download PDFInfo
- Publication number
- CN201466471U CN201466471U CN2009200748110U CN200920074811U CN201466471U CN 201466471 U CN201466471 U CN 201466471U CN 2009200748110 U CN2009200748110 U CN 2009200748110U CN 200920074811 U CN200920074811 U CN 200920074811U CN 201466471 U CN201466471 U CN 201466471U
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- lock pin
- locking
- connecting lever
- release
- link
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Abstract
The utility model provides a safety device of a high-voltage complete-set switch cabinet, comprising an access door and an earthing switch operation opening, and an unlocking mechanism unit, a link mechanism unit, a locking mechanism unit and a lock pin mechanism unit; all units of the utility model are linked, a lock pin insertion bar in the lock pin mechanism unit is utilized to be inserted in a sliding channel or pulled out in a sliding way, the locking and unlocking of the earthing switch operation opening is controlled by opening and closing the access door of the high-voltage switch cabinet, so as to ensure the earthing switch operation opening not to be opened falsely in the overhauling process of the high-voltage switch cabinet and have the function of protecting overhauling personnel.
Description
[technical field]
The utility model relates to high tension distribution system, particularly relates to a kind of high pressure voltage switchgear safety device.
[background technology]
The fail safe of electric product and reliability are the most critical indexs of product quality, and fail safe is one of the Compulsory Feature in the international whole world.In existing high-tension switch cabinet product, only realized the locking of the mutual safety interlocking of the locking protection, circuit breaker at cabinet inner breaker and Qianmen and earthed switch operation and earthed switch to the back door, yet, after failing all to realize that the high-tension switch cabinet access door is opened, to the locking protection of ground connection switching manipulation.
Generally speaking, earthed switch closes, and access door just can be opened, this state is an inspecting state, and the maintainer directly contacts with the cabinet inner wire and carries out work, and earthed switch closes, be to guarantee that the maintenance conductor is not by misdelivery electricity, the technical safety measures that the maintainer is not geted an electric shock.But the misoperation of electric power system happens occasionally, during maintenance such as earthed switch drawn back by other people mistake, the maintenance conductor just have by misdelivery electricity may, this is very unsafe factor.
Therefore, except that guaranteeing the existing safety interlocking protection of product, guarantee that the inspecting state earthed switch is not drawn back by mistake, must develop the protector of high-tension switch cabinet access door ground connection switching manipulation locking.
[utility model content]
For solving the above-mentioned problems in the prior art, the utility model provides a kind of high pressure voltage switchgear safety device, and particularly, this device is a kind of locking device that is used for high pressure voltage switchgear access door to the ground connection switching manipulation.
The technical scheme that the utility model is taked is as follows:
A kind of high pressure voltage switchgear safety device comprises an access door and an earthed switch gathering hole, and described high pressure voltage switchgear safety device also comprises:
The release mechanism unit comprises trip lever and release connecting lever, and trip lever one end is connected to described access door, and the other end connects the release connecting lever;
The link mechanism unit, comprise release link rod, master link, gravity spring and locking link rod, the release link rod is connected with described release connecting lever, master link one end is connected with the release link rod, the other end is connected with the locking connecting rod, the master link outer cover is provided with gravity spring, and described gravity spring produces elastic force by a supporting plate that is arranged at master link and a spring catch Ya Shrink;
The blocking mechanism unit comprises locking connecting lever and locking connecting lever support, the locking connecting lever be arranged at that disposition of latch arm turns on the support and with described locking link rod pin joint; And
The latch gear unit, comprise lock pin support and lock pin, the lock pin support is provided with sliding channel, lock pin one end is for transplanting a cutting, this cutting is movably set in the sliding channel of lock pin support, described earthed switch gathering hole is aimed in the termination, the lock pin other end and described locking connecting lever pin joint, and described earthed switch gathering hole can be injected or withdraw from the termination of cutting by the slip in sliding channel.
The beneficial effects of the utility model are, realized of the locking of high-tension switch cabinet access door to the ground connection switching manipulation, guaranteed that high-tension switch cabinet is in maintenance, the earthed switch operation is not drawn back by mistake, promptly overhauling conductor not by the misdelivery electricity, reached the security protection requirement of at utmost avoiding the maintainer to get an electric shock. the utility model is blocked the source of misoperation directly to the gathering hole locking, guaranteed the reliability of protection, the possibility of having avoided functional unit to damage; Safeguard function forms automatically in operating process, and is correct as operation sequence, operates successfully, and operation sequence is incorrect, and operation is unsuccessful. and the utility model is simple in structure, is easy to make, and is easy for installation, easy to use.
[description of drawings]
Fig. 1 is the utility model high pressure voltage switchgear safety device blocking schematic top plan view;
Fig. 2 is the utility model high pressure voltage switchgear safety device released state schematic top plan view.
The Reference numeral and the part that relate among the figure are as follows:
1. trip lever 2. release connecting levers
3. alignment pin 4. release link rods
5. master link 6. supporting plates
7. gravity spring 8. spring catch
9. locking link rod 10. locking connecting levers
11. locking connecting lever support 12. lock pin supports
13. lock pin 13a. transplants a cutting
100. access door 200. earthed switch gathering holes
[embodiment]
Below in conjunction with embodiment and with reference to accompanying drawing the utility model is further described:
As shown in Figure 1, a kind of high pressure voltage switchgear safety device comprises an access door 100 and an earthed switch gathering hole 200, and described high pressure voltage switchgear safety device also comprises:
The release mechanism unit comprises trip lever 1 and release connecting lever 2, and trip lever 1 one ends are connected on the described access door 100, and the other end connects release connecting lever 2;
The link mechanism unit, comprise release link rod 4, master link 5, gravity spring 7 and locking link rod 9, release link rod 4 is connected with described release connecting lever 2, master link 5 one ends are connected with release link rod 4, the other end is connected with locking connecting rod 9, master link 5 outer cover are provided with gravity spring 7, and described gravity spring 7 produces elastic force by a supporting plate 6 that is arranged at master link 5 and a spring catch 8 Ya Shrink;
The blocking mechanism unit comprises locking connecting lever 10 and locking connecting lever support 11, locking connecting lever 10 be arranged at that disposition of latch arm turns on the support 11 and with described locking link rod 9 pin joints;
The latch gear unit, comprise lock pin support 12 and lock pin 13, lock pin support 12 is provided with sliding channel, lock pin 13 1 ends are for transplanting a cutting 13a, this cutting 13a is movably set in the sliding channel of lock pin support, described earthed switch gathering hole 200 is aimed in the termination, lock pin 13 other ends and described locking connecting lever 10 pin joints, and described earthed switch gathering hole 200 can be injected or withdraw from the termination of cutting 13a by the slip in sliding channel.
With reference to Figure 1 and Figure 2, in this embodiment, release connecting lever 2 is connected with trip lever 1, by access door 100 controls, release connecting lever 2 has hangs pin and release link rod 4 pin joints, on the release connecting lever 2 pin hole is arranged, and is installed near access door 100 places by the alignment pin 3 and the securing member of release connecting lever 2; Master link 5 is enclosed within the sliding eye of supporting plate 6, be installed in the cabinet side by supporting plate 6 usefulness securing members, the master link 5 outer gravity springs 7 that are with, gravity spring 7 produces elastic force by spring catch on the master link 58 and supporting plate 6 Ya Shrink, locking link rod 9 is moved to the locking direction, one end of master link 5 is connected with release link rod 4, the end in addition of release link rod 4 has the bar shaped pin hole, with release connecting lever 2 pin joints, the other end of master link 5 is connected with locking link rod 9, the end in addition of locking link rod 9 has the bar shaped pin hole, with locking connecting lever 10 pin joints. locking connecting lever 10 has the pivot pin of connection, is used for itself and locking connecting lever support 11 pin joints, and locking connecting lever 10 has the pin of extension and is connected with locking link rod 9, locking connecting lever 10 has the pin of extension and lock pin 13 pin joints, locking connecting lever support 11 has installing hole that it is installed in the cabinet side, and other has pin hole, is used for and locking connecting lever 10 pin joints, lock pin support installing hole is arranged again, is used for the installation of lock pin support 12.
As shown in Figure 1, when access door 100 is opened, door disappears to the pressure of trip lever 1, drive master link 5 under the effect of gravity spring 7, to the motion of locking direction, locking connecting lever 10 is rotated to locking side by the thrust of master link 5, driving lock pin 13 steadily moves in lock pin support 12 passages, the cutting 13a of lock pin 13 blocks earthed switch gathering hole 200 smoothly through the locking passage of earthed switch gathering hole 200, and earthed switch can't be operated, and promptly safety device is blocking.
As shown in Figure 2, when access door 100 is closed, the pressure that trip lever 1 is subjected to door rotates release connecting lever 2, with master link 5 post-tensioning ， Ya Shrink gravity springs 7, master link 5 post-tensionings drive locking connecting lever 10 and rotate to unlocking direction, 13 cutting 13a withdraw from earthed switch gathering hole 200 with lock pin, thus, earthed switch can be operated, and promptly safety device is released state.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model design; can also make some improvements and modifications, these improvements and modifications also should be considered as in the protection range of the present utility model.
Claims (1)
1. a high pressure voltage switchgear safety device comprises an access door and an earthed switch gathering hole, it is characterized in that, described high pressure voltage switchgear safety device also comprises:
The release mechanism unit comprises trip lever and release connecting lever, and trip lever one end is connected to described access door, and the other end connects the release connecting lever;
The link mechanism unit, comprise release link rod, master link, gravity spring and locking link rod, the release link rod is connected with described release connecting lever, master link one end is connected with the release link rod, the other end is connected with the locking connecting rod, the master link outer cover is provided with gravity spring, and described gravity spring produces elastic force by a supporting plate that is arranged at master link and a spring catch Ya Shrink;
The blocking mechanism unit comprises locking connecting lever and locking connecting lever support, the locking connecting lever be arranged at that disposition of latch arm turns on the support and with described locking link rod pin joint; And
The latch gear unit, comprise lock pin support and lock pin, the lock pin support is provided with sliding channel, lock pin one end is for transplanting a cutting, this cutting is movably set in the sliding channel of lock pin support, described earthed switch gathering hole is aimed in the termination, the lock pin other end and described locking connecting lever pin joint, and described earthed switch gathering hole can be injected or withdraw from the termination of cutting by the slip in sliding channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200748110U CN201466471U (en) | 2009-07-17 | 2009-07-17 | Safety device of high-voltage complete-set switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200748110U CN201466471U (en) | 2009-07-17 | 2009-07-17 | Safety device of high-voltage complete-set switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201466471U true CN201466471U (en) | 2010-05-12 |
Family
ID=42393818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200748110U Expired - Fee Related CN201466471U (en) | 2009-07-17 | 2009-07-17 | Safety device of high-voltage complete-set switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201466471U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976490A (en) * | 2010-10-27 | 2011-02-16 | 河南省电力公司商丘供电公司 | Safety alarm method of high voltage switch maintenance state |
| CN103489677A (en) * | 2013-09-13 | 2014-01-01 | 江苏亚开电气有限公司 | Solid insulation switch cabinet interlocking mechanism |
| CN103612157A (en) * | 2013-06-25 | 2014-03-05 | 洛阳德平机械设备有限公司 | Safety interlocking method and interlocking device for pipeline en d face beveling machine |
| CN106985675A (en) * | 2017-06-05 | 2017-07-28 | 芜湖侨云友星电气工业有限公司 | A kind of new-energy automobile high pressure master control box |
| CN107275942A (en) * | 2017-08-18 | 2017-10-20 | 国网黑龙江省电力有限公司鹤岗供电公司 | Adjustable portable insulation stationary barrier and its installation method |
| CN109167289A (en) * | 2018-10-12 | 2019-01-08 | 杭州电力设备制造有限公司富阳容大成套电气制造分公司 | Central-positioned high-voltage switch cabinet machinery five-prevention interlocking device |
-
2009
- 2009-07-17 CN CN2009200748110U patent/CN201466471U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976490A (en) * | 2010-10-27 | 2011-02-16 | 河南省电力公司商丘供电公司 | Safety alarm method of high voltage switch maintenance state |
| CN103612157A (en) * | 2013-06-25 | 2014-03-05 | 洛阳德平机械设备有限公司 | Safety interlocking method and interlocking device for pipeline en d face beveling machine |
| CN103612157B (en) * | 2013-06-25 | 2017-06-16 | 洛阳德平机械设备有限公司 | One kind is used for Safety interlocking method and interlocking device for pipeline en d face beveling machine |
| CN103489677A (en) * | 2013-09-13 | 2014-01-01 | 江苏亚开电气有限公司 | Solid insulation switch cabinet interlocking mechanism |
| CN103489677B (en) * | 2013-09-13 | 2016-05-18 | 江苏亚开电气有限公司 | Solid insulation switch cabinet interlocking gear |
| CN106985675A (en) * | 2017-06-05 | 2017-07-28 | 芜湖侨云友星电气工业有限公司 | A kind of new-energy automobile high pressure master control box |
| CN106985675B (en) * | 2017-06-05 | 2019-05-31 | 芜湖侨云友星电气工业有限公司 | A kind of new-energy automobile high pressure master control box |
| CN107275942A (en) * | 2017-08-18 | 2017-10-20 | 国网黑龙江省电力有限公司鹤岗供电公司 | Adjustable portable insulation stationary barrier and its installation method |
| CN109167289A (en) * | 2018-10-12 | 2019-01-08 | 杭州电力设备制造有限公司富阳容大成套电气制造分公司 | Central-positioned high-voltage switch cabinet machinery five-prevention interlocking device |
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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 |
Granted publication date: 20100512 Termination date: 20170717 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |