CN103628751A - Fixing device for overhaul cover of high voltage device box - Google Patents
Fixing device for overhaul cover of high voltage device box Download PDFInfo
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- CN103628751A CN103628751A CN201310264102.XA CN201310264102A CN103628751A CN 103628751 A CN103628751 A CN 103628751A CN 201310264102 A CN201310264102 A CN 201310264102A CN 103628751 A CN103628751 A CN 103628751A
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- access cover
- connecting rod
- locking
- equipment box
- voltage equipment
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Abstract
The invention relates to a fixing device for an overhaul cover of a high voltage device box. The fixing device comprises a box body of the device box and the overhaul cover. The overhaul cover is fixed to the box body through an interlocking mechanism, and the interlocking mechanism is composed of a lock device, a rotating mechanism, a locking mechanism and an unlocking mechanism. A key of a high voltage device box is inserted into the lock device, the lock device is connected with the rotating mechanism and controls the rotating mechanism to lock the opening or closing state, the rotating mechanism controls the locking mechanism to move to lock or unlock the overhaul cover, and the locking mechanism is unlocked through the unlocking mechanism. The fixing device for the overhaul cover of the high voltage device box is reliable in structure and simple to operate. The interlocking mechanism is arranged between the overhaul cover and the box body, uniqueness of opening the overhaul cover of the high voltage device box is ensured, safety of overhaul personnel is ensured when the overhaul cover of the high voltage device box is opened, and safety accidents caused by misoperation are avoided.
Description
Technical field
The present invention relates to a kind of rail vehicle safety guard, particularly a kind of fastening devices of high-voltage equipment box access cover, belongs to rail vehicle manufacturing technology field.
Background technology
Railway power machine (moving) cars such as EMU, are generally all provided with high-voltage equipment box, from the 25KV high-tension electricity of pantograph, after the vacuum circuit breaker in high-voltage equipment box, enter tractive transformer.When high-voltage equipment box is overhauled, must guarantee being perfectly safe of attendant, just by working specification, guaranteed in the past, when opening high-voltage equipment box inspection cover, guarantee that 25KV high-tension electricity is in off-state, but this can not guarantee attendant's safety completely, if attendant or other personnel's maloperation just may cause security incident.
Summary of the invention
Main purpose of the present invention is to address the above problem and is not enough, and a kind of reliable in structure is provided, simple to operate, can guarantee the high-voltage equipment box access cover fastening devices of maintainer's handling safety.
For achieving the above object, technical scheme of the present invention is:
A kind of high-voltage equipment box access cover fastening devices, high-voltage equipment box access cover fastening devices, the casing and the access cover that comprise equipment box, described access cover is fixed by interlocking mechanism and described casing, described interlocking mechanism is by locking device, rotating mechanism, locking mechanism and release mechanism form, high-voltage equipment box key inserts in described locking device, described locking device is connected with described rotating mechanism and controls the locking of described rotating mechanism and opens or closes state, described rotating mechanism control that described locking mechanism moves to lock or release described in access cover, described locking mechanism unlocks by described release mechanism.
Further, described rotating mechanism is comprised of turning handle, dwang and connecting rod, described turning handle is coaxially fixedly connected with and drives described dwang to sway with described dwang, described dwang drives described connecting rod to move, and described connecting rod is connected with described locking mechanism and drives described locking mechanism to move.
Further, between described dwang and described connecting rod, by Connection Block, be connected, described Connection Block is fixed on described connecting rod, on described Connection Block, is provided with slotted hole, and the end of described dwang is rotatably connected in described slotted hole and can in described slotted hole, slides.
Further, described locking mechanism comprises at least one group of latch assembly and at least one group of position-limit mechanism, between described connecting rod and described access cover, described latch assembly is set, and described position-limit mechanism is arranged at least one end of described connecting rod to limit described link motion.
Further, described position-limit mechanism comprises fixture, spring and gag lever post, one end of described spring is fixed on the inwall of described fixture, the other end of described spring is connected with described gag lever post, the other end of described gag lever post is hinged on described fixture, on described connecting rod, be provided with groove, when locking bit, described gag lever post is stuck in described groove and realizes and locking under the effect of described spring.
Further, described release mechanism is to be arranged on the structural member that one on described access cover is ligulate, and described unlock piece holds out against described gag lever post and makes it depart from described groove to realize release after described access cover fastens.
Further, described latch assembly comprises the latch hook that is fixed on described connecting rod and is fixed on the locking member on described access cover, and described locking member is a c-shaped structural member, and described latch hook inserts in described locking member and realizes and being locked.
Further, described latch assembly and position-limit mechanism are two, and described latch assembly is arranged on the centre of described connecting rod, and described position-limit mechanism is arranged on the two ends of described connecting rod.
Further, described locking device is comprised of keyhole, lock core, dead bolt and trace, described trace is connected with described rotating mechanism, described key inserts in described keyhole, described key rotation drives described dead bolt flexible by described lock core, on described trace, have locked groove, described dead bolt inserts or stretches out locking or the release that described locked groove is realized described rotating mechanism.
Further, in the bottom of described access cover, be provided with latch, on described casing, be provided with folding, described latch inserts in described folding and realizes and connecting.
Content to sum up, high-voltage equipment box access cover fastening devices of the present invention, reliable in structure, simple to operate, by interlocking mechanism being set between access cover and casing, guaranteed to open the uniqueness of high-voltage equipment box inspection cover, and then maintainer's safety while guaranteeing to open high-voltage equipment box inspection cover, avoid because maloperation causes security incident.
Accompanying drawing explanation
Fig. 1 is high-voltage equipment box structural representation of the present invention;
Tu2Shi interlocking mechanism of the present invention structural representation;
Fig. 3 is the structural representation of inspection cover of the present invention;
Fig. 4 is locking member structural representation of the present invention;
Fig. 5 is unlock piece structural representation of the present invention.
As shown in Figures 1 to 5, casing 1, access cover 2, locking device 3, rotating mechanism 4, locking mechanism 5, release mechanism 6, key 7, keyhole 8, lock core 9, dead bolt 10, trace 11, lock box 12, turning handle 13, dwang 14, connecting rod 15, latch assembly 16, position-limit mechanism 17, Connection Block 18, slotted hole 19, latch hook 20, locking member 21, fixture 22, spring 23, gag lever post 24, groove 25, structural member 26, latch 27.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the present invention is described in further detail:
As shown in Figure 1, a kind of high-voltage equipment box access cover fastening devices provided by the invention, high-voltage equipment box comprises casing 1, casing 1 is bolted on car body, on casing 1, have an access hole for repair apparatus, at access hole place, be provided with an access cover 2, during electric component within attendant needs repair apparatus case, open access cover 2.In order to guarantee attendant's safety, must to be opened the in the situation that of complete power-off just detection covers 2, and only to fasten and could switch on after sequence of operations at access cover 2.For this reason, in the present embodiment, as shown in Figure 2, access cover 2 is fixing by interlocking mechanism and casing 1, and interlocking mechanism is comprised of locking device 3, rotating mechanism 4, locking mechanism 5 and release mechanism 6.
Each high-voltage equipment box has a key made to fit the lock separately 7; when needs are opened access cover 2; the key locker that attendant is equipped with from rail vehicle (in auxiliary air compressor machine), take out key 7; only the in the situation that of complete power-off; when falling pantograph and dropping into EGS protection grounding, key 7 could take out from key locker.
As shown in Figure 2, locking is put 3 and is comprised of keyhole 8, lock core 9, dead bolt 10 and trace 11, and when needs are opened access cover 2, attendant inserts key 7 in keyhole 8, and as shown in Figure 1, keyhole 8 arranges on the upper surface of casing 1.Screw key 7, just can drive dead bolts 10 flexible by lock core 9, has locked groove (not indicating in figure) on trace 11, and dead bolt 10 is along with the rotation of key 7 is inserted or stretches out locked groove, thereby realizes locking or the release of trace 11.Be that key 8 stretches out dead bolt 10 after opening direction rotation in locked groove, trace 11 releases, trace 11 is just in free side-to-side movement.Key 8 inserts in locked groove dead bolt 10 after closing direction rotation, and trace 11 is locked, and trace 11 just can not freely-movable.Lock core 9, dead bolt 10 can be arranged in a lock box 12, and lock box 12 is fixed on the inwall of casing 1, and dead bolt 10 stretches out from lock box 12.
Rotating mechanism 4 is comprised of turning handle 13, dwang 14 and connecting rod 15, and turning handle 12 is fixed on the upper surface of casing 1 as shown in Figure 1, handled easily.Turning handle 13 is coaxially fixedly connected with dwang 14, and turning handle 13 drives dwang 14 to sway while rotating.
Connecting rod 15 is along the elongated setting in top of access cover 2, between the end of dwang 14 and connecting rod 15, by a Connection Block 18, be connected, Connection Block 18 is bolted to connection or is directly welded and fixed with connecting rod 15, on Connection Block 18, there is a slotted hole 19, the end of dwang 18 is rotatably connected also can be in the interior slip of slotted hole 19 in slotted hole 19, and then dwang 18 is when rotating, connecting rod 15 can move left and right thereupon.
One end of trace 11 is with Connection Block 18 in rotating mechanism 4 or be fixedly connected with connecting rod 15, and trace 11 moves left and right along with the rotation of turning handle 13.Turning handle 13 has " opening " and " pass " two states, trace 11 is only when released state, and turning handle 13 just can rotate between " opening " and " pass " two positions, when trace 11 is in the lock state, turning handle 13 cannot rotate, position that can only be in " pass ".
Locking mechanism 5 comprises at least one group of latch assembly 16 and at least one group of position-limit mechanism 17, between connecting rod 15 and access cover 2, by latch assembly 16, be locked, latch assembly 16 comprises the latch hook 20 being fixed on connecting rod 15 and is fixed on the locking member 21 on access cover 2, as shown in Figure 3, locking member 21 is two and is arranged on the centre position at access cover 2 tops, correspondingly, latch hook 20 is also set to two, as shown in Figure 4, locking member 21 is a c-shaped structural member, is welded on inspection cover 2, as shown in Figure 2, latch hook 20 is L shaped, is bolted on connecting rod 15.When connecting rod 15 moves right, latch hook 20 inserts in locking members 21 and realizes being locked of access cover 2, and when connecting rod 15 is moved to the left, latch hook 20, from deviating to realize the release of access cover 2 in locking member 21, just can be opened access cover 2.
Position-limit mechanism 17 is arranged on the two ends of connecting rod 15, for moving left and right of limiting rod 15.Position-limit mechanism 6 comprises fixture 22, spring 23 and gag lever post 24, in the present embodiment, fixture 22 adopts a box body, spring 23 and gag lever post 24 are arranged in this box body, one end of spring 23 is fixed on the inwall of box body, and the other end of spring 23 is connected with gag lever post 24, and the other end of gag lever post 24 is hinged on the inwall of box body, on connecting rod 15, being provided with groove 25, two cover position-limit mechanisms 17 arranges in the same way.After access cover 2 is opened, need to it can not be moved again connecting rod 15 lockings, now, gag lever post 24 is stuck in groove 25 under the effect of spring 23, and connecting rod 15 is locked can not be moved.
Release mechanism 5 is for removing the locking of connecting rod 15, and in the present embodiment, as shown in Figure 3 and Figure 5, release mechanism is to be arranged on the structural member 26 that one on access cover 2 is ligulate, and structural member 26 is welded on inspection cover 2.After access cover 2 fastens, the structural member 26 of ligulate will hold out against gag lever post 24, makes gag lever post 24 Compress Springs 23 and departs from from groove 25, realizes the release of connecting rod 15, and now connecting rod 15 can move left and right.
As shown in Figure 3, in the bottom of access cover 2, be provided with latch 27, on casing 1, be provided with folding (not indicating in figure), latch 27 inserts in folding realizes being rotationally connected between access cover 2 and casing 1, and after opening access cover 2, the latch 27 of access cover 2 is extracted out from folding, access cover 2 can take off completely, at installation and repairing, cover 2 o'clock, then latch 27 is inserted in folding, play fixing effect simultaneously.
Describe the course of work of this device below in detail:
One, open access cover:
1, in corresponding key locker, take out the key 7 of high-voltage equipment box one to one, in the keyhole 8 that key 7 is inserted on casing 1.
2, screw key 7 to the right, drives in the locked groove of dead bolt 10 from trace 11, and trace 11 releases, can move left and right.
3, the position to right rotation to " opening " by turning handle 13, now dwang 14 turns left thereupon, by Connection Block 18 drivening rods 15, moves to the left, and two latch hooks 20 on connecting rod 15 are deviate from from two locking members 21, access cover 2 is removed locking, can open.
4, when connecting rod 15 moves to the left, the groove 25 at connecting rod 15 two ends also moves to the left, and the gag lever post 24 in position-limit mechanism 17 rotates under the effect of spring 23 elastic force, and is stuck in groove 25, and now, connecting rod 15 is locked, can not move left and right again.
Connecting rod 15 can not move, and turning handle 13 is just locked in the position of " opening " and can not rotates, and the locked groove on trace 11 departs from the position of dead bolt 10, and dead bolt 10 can not be inserted in the locked groove on trace 11, and key 7 also just can not rotate in keyhole 8 and extract.Attendant can keep in repair under the safe condition of power-off completely, can effectively avoid attendant's maloperation.
Two, close access cover:
1, after attendant's maintenance, by upwards upset of access cover 2, two ligulate structural members 26 at access cover 2 two ends, top hold out against the gag lever post 24 in position-limit mechanism 17, under attendant's thrust, spring 23 is compressed, gag lever post 24 upwards rotates and deviates from from groove 25, and connecting rod 15 unlocks, and can move left and right.
2, the turning handle 13 that turns left, from the position of position to " pass " of " opening ", now, dwang 14 turns right thereupon, by Connection Block 18 drivening rods 15, moves to the right, and two latch hooks 20 on connecting rod 15 are inserted in two locking members 21, access cover 2 is locked, and can not open.
When 3, turning handle 13 goes to the position of " pass ", trace 11 also moves to the right, and the locked groove on trace 11 returns back to over against the position of dead bolt 10, and key 7 turns left, can make in the locked groove on dead bolt 10 insertion traces 11, key 7 could be extracted in keyhole 8.
After key 7 is extracted, trace 11 can not move, and turning handle 13 can not rotate with regard to locked, and access cover 2 also just can not be opened like this.
As mentioned above, given scheme content, can derive similar technical scheme by reference to the accompanying drawings.In every case be the content that does not depart from technical solution of the present invention, any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present invention, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. a high-voltage equipment box access cover fastening devices, the casing and the access cover that comprise equipment box, it is characterized in that: described access cover is fixed by interlocking mechanism and described casing, described interlocking mechanism is by locking device, rotating mechanism, locking mechanism and release mechanism form, high-voltage equipment box key inserts in described locking device, described locking device is connected with described rotating mechanism and controls the locking of described rotating mechanism and opens or closes state, described rotating mechanism control that described locking mechanism moves to lock or release described in access cover, described locking mechanism unlocks by described release mechanism.
2. high-voltage equipment box access cover fastening devices according to claim 1, it is characterized in that: described rotating mechanism is comprised of turning handle, dwang and connecting rod, described turning handle is coaxially fixedly connected with and drives described dwang to sway with described dwang, described dwang drives described connecting rod to move, and described connecting rod is connected with described locking mechanism and drives described locking mechanism to move.
3. high-voltage equipment box access cover fastening devices according to claim 2, it is characterized in that: between described dwang and described connecting rod, by Connection Block, be connected, described Connection Block is fixed on described connecting rod, on described Connection Block, be provided with slotted hole, the end of described dwang is rotatably connected in described slotted hole and can in described slotted hole, slides.
4. high-voltage equipment box access cover fastening devices according to claim 2, it is characterized in that: described locking mechanism comprises at least one group of latch assembly and at least one group of position-limit mechanism, between described connecting rod and described access cover, described latch assembly is set, described position-limit mechanism is arranged at least one end of described connecting rod to limit described link motion.
5. high-voltage equipment box access cover fastening devices according to claim 4, it is characterized in that: described position-limit mechanism comprises fixture, spring and gag lever post, one end of described spring is fixed on the inwall of described fixture, the other end of described spring is connected with described gag lever post, the other end of described gag lever post is hinged on described fixture, on described connecting rod, be provided with groove, when locking bit, described gag lever post is stuck in described groove and realizes and locking under the effect of described spring.
6. high-voltage equipment box access cover fastening devices according to claim 5, it is characterized in that: described release mechanism is to be arranged on the structural member that one on described access cover is ligulate, described unlock piece holds out against described gag lever post and makes it depart from described groove to realize release after described access cover fastens.
7. high-voltage equipment box access cover fastening devices according to claim 4, it is characterized in that: described latch assembly comprises the latch hook being fixed on described connecting rod and is fixed on the locking member on described access cover, described locking member is a c-shaped structural member, and described latch hook inserts in described locking member and realizes and being locked.
8. high-voltage equipment box access cover fastening devices according to claim 4, is characterized in that: described latch assembly and position-limit mechanism are two, and described latch assembly is arranged on the centre of described connecting rod, and described position-limit mechanism is arranged on the two ends of described connecting rod.
9. high-voltage equipment box access cover fastening devices according to claim 1, it is characterized in that: described locking device is comprised of keyhole, lock core, dead bolt and trace, described trace is connected with described rotating mechanism, described key inserts in described keyhole, described key rotation drives described dead bolt flexible by described lock core, on described trace, have locked groove, described dead bolt inserts or stretches out locking or the release that described locked groove is realized described rotating mechanism.
10. high-voltage equipment box access cover fastening devices according to claim 1, is characterized in that: the bottom at described access cover is provided with latch, on described casing, is provided with folding, and described latch inserts in described folding and realizes and connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310264102.XA CN103628751B (en) | 2013-06-26 | 2013-06-26 | High-voltage equipment box access cover fastening devices |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310264102.XA CN103628751B (en) | 2013-06-26 | 2013-06-26 | High-voltage equipment box access cover fastening devices |
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| CN103628751A true CN103628751A (en) | 2014-03-12 |
| CN103628751B CN103628751B (en) | 2015-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310264102.XA Active CN103628751B (en) | 2013-06-26 | 2013-06-26 | High-voltage equipment box access cover fastening devices |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956311A (en) * | 2017-12-01 | 2018-04-24 | 中车大连机车研究所有限公司 | A kind of railway vehicle air conditioner lid door protection mechanism |
| CN110344682A (en) * | 2019-07-25 | 2019-10-18 | 珠海市运泰利自动化设备有限公司苏州分公司 | A kind of test equipment |
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| CN2212254Y (en) * | 1994-12-16 | 1995-11-08 | 广州市通用开关厂 | Anti-misoperation interlocking device for switch box |
| US20060230795A1 (en) * | 2005-04-19 | 2006-10-19 | Kroening John W | Lock box with obstruction free interior and improved method of locking |
| CN201304910Y (en) * | 2008-10-13 | 2009-09-09 | 南车青岛四方机车车辆股份有限公司 | High-voltage interlock protection device |
| JP2011149159A (en) * | 2010-01-19 | 2011-08-04 | Nifco Inc | Lock device and storage box |
| CN202110983U (en) * | 2011-06-28 | 2012-01-11 | 东莞市开关厂有限公司 | Safety protection device applied to high-voltage metering cabinet |
| JP2012184633A (en) * | 2011-03-08 | 2012-09-27 | Beam Kk | Lock device |
| CN203374101U (en) * | 2013-06-26 | 2014-01-01 | 南车青岛四方机车车辆股份有限公司 | High-voltage equipment box access cover fixing device |
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2013
- 2013-06-26 CN CN201310264102.XA patent/CN103628751B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2212254Y (en) * | 1994-12-16 | 1995-11-08 | 广州市通用开关厂 | Anti-misoperation interlocking device for switch box |
| US20060230795A1 (en) * | 2005-04-19 | 2006-10-19 | Kroening John W | Lock box with obstruction free interior and improved method of locking |
| CN201304910Y (en) * | 2008-10-13 | 2009-09-09 | 南车青岛四方机车车辆股份有限公司 | High-voltage interlock protection device |
| JP2011149159A (en) * | 2010-01-19 | 2011-08-04 | Nifco Inc | Lock device and storage box |
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| CN202110983U (en) * | 2011-06-28 | 2012-01-11 | 东莞市开关厂有限公司 | Safety protection device applied to high-voltage metering cabinet |
| CN203374101U (en) * | 2013-06-26 | 2014-01-01 | 南车青岛四方机车车辆股份有限公司 | High-voltage equipment box access cover fixing device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956311A (en) * | 2017-12-01 | 2018-04-24 | 中车大连机车研究所有限公司 | A kind of railway vehicle air conditioner lid door protection mechanism |
| CN107956311B (en) * | 2017-12-01 | 2022-12-27 | 中车大连机车研究所有限公司 | Protective mechanism for air conditioner cover door of railway vehicle |
| CN110344682A (en) * | 2019-07-25 | 2019-10-18 | 珠海市运泰利自动化设备有限公司苏州分公司 | A kind of test equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103628751B (en) | 2015-11-04 |
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Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |