CN203515122U - Opening-closing mechanism with self-locking device - Google Patents
Opening-closing mechanism with self-locking device Download PDFInfo
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- CN203515122U CN203515122U CN201320646186.9U CN201320646186U CN203515122U CN 203515122 U CN203515122 U CN 203515122U CN 201320646186 U CN201320646186 U CN 201320646186U CN 203515122 U CN203515122 U CN 203515122U
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- CN
- China
- Prior art keywords
- locking device
- radome fairing
- support arm
- switching mechanism
- fairing support
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Abstract
The utility model relates to an opening-closing mechanism with a self-locking device. The opening-closing mechanism comprises a bottom plate, a fairing, a fairing support arm and a power source pushing cylinder, wherein a rotary shaft is arranged on the bottom plate, one end of the fairing support arm is sleeved on the rotary shaft, and the other end of the fairing support arm is connected with the fairing; the fairing is provided with a closing state limit stopper, and an opening state limit stopper is arranged between the fairing support arm and a fairing installation seat; a locking device is arranged between the fairing support arm and the power source pushing cylinder, one end of the locking device can move in the slide groove of the fairing support arm, and the other end of the locking device is installed on the power source pushing cylinder. The opening-closing mechanism disclosed by the utility model is simple and reliable in structure, low in cost, high in stability and convenient to overhaul; the opening and closing of the opening-closing mechanism are realized by a power source, mechanical self-locking is generated by means of dead point crossing to lock the opening-closing mechanism and keep the opening-closing mechanism in a set state, and an extra power source does not need to be added.
Description
Technical field
The utility model relates to rolling stock machinery manufacturing technology field, specifically, relates to the switching mechanism of EMU front end.
Background technology
EMU, in order to realize heavily connection or the loopback rescue on train, is that front end switching mechanism is installed at two ends simultaneously at train groups head conventionally.Front end switching mechanism is the vitals of EMUs, EMUs normal operation period (being under non-heavy state), switching mechanism is in closed condition, now, front end radome fairing hatch door is closed, make EMU there is good aerodynamic appearance, in case the entering of uppermost leaf sheet, dust, ice and snow, and protect hitch and other facilities of front end radome fairing inside; In loopback or rescue situation, can open switching mechanism by automatic or manual, thereby open front end radome fairing hatch door, it be rotated to front end inner, stretch out full-automatic hitch and normally connect extension to realize hitch.
At present, common front end opening and closing structure is comprised of pusher and locking device conventionally.In order to realize switching mechanism, open and close, and realize positive lock, switching mechanism conventionally arranges one or more independently locking devices and completes.Therefore, the closing process of opening of switching mechanism often needs different actions to complete from locking process, completing different actions needs two or more difference cylinders just can meet the demands, this just causes mechanical mechanism and the equal more complicated of Automatic Control Theory of switching mechanism, corresponding cost is also high, and its reliability also reduces simultaneously.
Utility model content
The more high above-mentioned deficiency of complex structure, cost that the utility model exists for the switching mechanism of existing rail truck EMU front end, provides a kind of simple and reliable for structure, maintenance is convenient, cost is low switching mechanism with self-locking device.
The technical solution of the utility model is: a kind of switching mechanism with self-locking device, this switching mechanism comprises that base plate, radome fairing, radome fairing support arm and power source push cylinder, on base plate, be provided with axis of rotation, one end of radome fairing support arm is sleeved on axis of rotation, and the other end is connected with radome fairing by radome fairing mount pad; Described radome fairing is provided with closed condition limit stops, between radome fairing support arm and radome fairing mount pad, is provided with open mode limit stops; Radome fairing support arm and power source push between cylinder and are provided with locking device, can move in one end of this locking device in the chute of radome fairing support arm, the other end is arranged on power source and pushes on cylinder, switching mechanism open or closing process in, locking device motion, can and radome fairing support arm form mechanism dead point, during locking, locking device is partly crossed mechanism dead point and by mechanical position limitation, during release, locking device is oppositely crossed mechanism dead point.
Preferably, described locking device comprises cylinder body, is pressed with in advance roller devices and spring in cylinder body.
Preferably, cylinder body is pressed with in advance one end of roller devices and is rolled and be connected with radome fairing support arm by roller devices, and roller devices can roll in radome fairing support arm, and the other end of cylinder body pushes cylinder with power source and is connected.
Preferably, cylinder body is pressed with in advance one end of roller devices and is rolled and be connected with radome fairing support arm by roller devices, and roller devices can roll in radome fairing support arm, and roller below and the power source of roller devices push cylinder and be connected.
Further, the lower end of described cylinder body is provided with one for the interface of manual release and lock artificially, and manual release or lock artificially are all by this interface operation.
Preferably, described axis of rotation is provided with one, is positioned at the center of base plate.
Preferably, described axis of rotation is provided with two, is positioned at the both sides of base plate.
The beneficial effects of the utility model are: the utility model is simple and reliable for structure, and cost is low, stability is high, and maintenance is convenient, adopting a power source to realize switching mechanism opens and closes, and " dead point " mode of passing through produces mechanical self-latching, locking switching mechanism, makes it remain on set state; The utility model is realized and is opened and close by an action, and realize the lock function of switching mechanism simultaneously, without the extra power source that increases, before having changed, that switching mechanism is for realizing lock function, and the locking device and the power source that increase in addition, realization has at switching mechanism on the basis of auto-lock function, simplifies the structure of switching mechanism.In addition, in the utility model locking device, cylinder body lower end is provided with one for the interface of manual release and lock artificially, manual release or lock artificially are all by this interface operation, manual release, lock artificially are simple, and manual release can complete release and the locking of switching mechanism by an inner hexagon spanner rotational locking device.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the utility model specific embodiment one switching mechanism.
Accompanying drawing 2 is the open mode schematic diagram of the utility model specific embodiment one locking mechanism.
Accompanying drawing 3 is the A-A sectional drawing in the utility model specific embodiment accompanying drawing 2.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
Specific embodiment one: as shown in Figures 1 to 4, a kind of switching mechanism with self-locking device, this switching mechanism comprises that base plate 1, radome fairing 2, radome fairing support arm 3 and power source push cylinder 4, on base plate 1, be provided with axis of rotation 5, one end of radome fairing support arm 3 is sleeved on axis of rotation 5, and the other end is connected with radome fairing 2 by radome fairing mount pad 6; Radome fairing 2 is provided with closed condition limit stops 7, between radome fairing support arm 3 and radome fairing mount pad 6, is provided with open mode limit stops 8; Radome fairing support arm 3 and power source push between cylinder 4 and are provided with locking device 9, can move in one end of this locking device 9 in the chute of radome fairing support arm 3, the other end is arranged on power source and pushes on cylinder 4, switching mechanism open or closing process in, locking device 9 motions, can and radome fairing support arm 3 form mechanism dead points, during locking, locking device 9 parts are crossed mechanism dead point and by mechanical position limitation, during release, locking device 9 is oppositely crossed mechanism dead point.
In order to realize locking device 9, be connected with the rolling between radome fairing support arm 3, and bring into play self-locking action, above-mentioned locking device 9 comprises cylinder body 91, interior roller devices 92 and the spring 93 of being pressed with in advance of cylinder body 91, cylinder body 91 is pressed with in advance one end of roller devices 92 and is rolled and be connected with radome fairing support arm 3 by roller devices 92, roller devices 92 can be in the interior rolling of radome fairing support arm 3, and the other end of cylinder body 91 pushes cylinder 4 with power source and is connected.
The operating principle that above-mentioned locking device 9 is realized self-locking is: locking device 9 can rotate around base plate 1 under the effect of power source propelling movement cylinder 4, the other end roller devices 92 of locking device 9 can be in the interior rolling of radome fairing support arm 3, drive radome fairing support arm 3 to rotate around axis of rotation 5 simultaneously, radome fairing 2 is when radome fairing support arm 3 drives backspins to go to open or close state, radome fairing support arm 3 cannot be rotated further under the effect of open mode limit stops 8 or closed condition limit stops 7, now locking device 9 continues swing roller devices 92 can to overcome spring force compressed.When locking device 9 turns to (machinery " dead point " critical point) when vertical with radome fairing support arm 3, now the spring 93 of locking device 9 can be compressed to the shortest, continue rotational locking device 9, the roller devices 92 of locking device 9 rolls in the interior continuation of radome fairing support arm 3, and spring 93 is released, now, locking device 9 is less than 90 degree with radome fairing support arm 3 angles, produces mechanical self-latching angle, performance self-locking action, locking switching mechanism, makes it remain on both allocations.
For the ease of manual release, cylinder body 91 lower ends of locking device are provided with one for the interface of manual release and lock artificially, manual release or lock artificially are all by this interface operation, manual release can complete release and the locking of switching mechanism by an inner hexagon spanner rotational locking device, and manual release, lock artificially are simple.
The specific works process of the utility model switching mechanism is: while opening front end radome fairing 2, power source pushes cylinder 4 propelling movement locking devices 9 and makes its rotation, now, tourelle 92 is in the interior rolling of radome fairing support arm 3, drive radome fairing support arm 3 to rotate around axis of rotation 5 simultaneously, radome fairing 2 is when radome fairing support arm 3 drives backspin to go to open mode, radome fairing support arm 3 cannot be rotated further under the effect of open mode limit stops 8, and now locking device 9 continues swing roller devices 92 can to overcome pressure spring force compressed.When locking device 9 turns to (machinery " dead point " critical point) when vertical with radome fairing support arm 3, now the stage clip 93 of locking device 9 can be compressed to the shortest, continue rotational locking device 9, the roller devices 92 of locking device 9 rolls in the interior continuation of radome fairing support arm 3, and stage clip 93 is released, now, locking device 9 is less than 90 degree with radome fairing support arm 3 angles, produces mechanical self-latching angle, performance self-locking action, locking switching mechanism, makes it remain on open position.
During closed front end radome fairing 2, power source pushes cylinder 4 locking device 9 of pulling back and makes its rotation, now, tourelle 92 is in the interior rolling of radome fairing support arm 3, drive radome fairing support arm 3 to rotate around axis of rotation 5 simultaneously, radome fairing 2 is when radome fairing support arm 3 drives backspins to go to closed condition, and radome fairing support arm 3 cannot be rotated further under the effect of limit stops 7 in off position, and now locking device 9 continues swing roller devices 92 can to overcome pressure spring force compressed.When locking device 9 turns to (machinery " dead point " critical point) when vertical with radome fairing support arm 3, now the stage clip 93 of locking device 9 can be compressed to the shortest, continue rotational locking device 9, the roller devices 92 of locking device 9 rolls in the interior continuation of radome fairing support arm 3, and stage clip 93 is released, now, locking device 9 is less than 90 degree with radome fairing support arm 3 angles, produces mechanical self-latching angle, performance self-locking action, locking switching mechanism, is maintained in its closed position it.
Specific embodiment two: different from specific embodiment one is, in specific embodiment two, in order to realize locking device 9, be connected with the rolling between radome fairing support arm 3, and bring into play self-locking action, locking device 9 comprises cylinder body 91, interior roller devices 92 and the spring 93 of being pressed with in advance of cylinder body 91, and cylinder body is pressed with in advance one end of roller devices and is rolled and be connected with radome fairing support arm by roller devices, roller devices can roll in radome fairing support arm, and roller below and the power source of roller devices push cylinder and be connected.
Specific embodiment three: different from specific embodiment one is, in specific embodiment three, axis of rotation 5 is provided with two, be positioned at the both sides of base plate 1, two axis of rotation 5 are set with the one end with its homonymy radome fairing support arm 3, and the other end of radome fairing support arm 3 is connected with radome fairing 2 by radome fairing mount pad 6.
Specific embodiment four: different from specific embodiment three is, in specific embodiment four, in order to realize locking device 9, be connected with the rolling between radome fairing support arm 3, and bring into play self-locking action, locking device 9 comprises cylinder body 91, interior roller devices 92 and the spring 93 of being pressed with in advance of cylinder body 91, and cylinder body is pressed with in advance one end of roller devices and is rolled and be connected with radome fairing support arm by roller devices, roller devices can roll in radome fairing support arm, and roller below and the power source of roller devices push cylinder and be connected.
Claims (7)
1. the switching mechanism with self-locking device, it is characterized in that: this switching mechanism comprises that base plate, radome fairing, radome fairing support arm and power source push cylinder, on base plate, be provided with axis of rotation, one end of radome fairing support arm is sleeved on axis of rotation, and the other end is connected with radome fairing by radome fairing mount pad; Described radome fairing is provided with closed condition limit stops, between radome fairing support arm and radome fairing mount pad, is provided with open mode limit stops; Radome fairing support arm and power source push between cylinder and are provided with locking device, can move in one end of this locking device in the chute of radome fairing support arm, the other end is arranged on power source and pushes on cylinder, switching mechanism open or closing process in, locking device motion, can and radome fairing support arm form mechanism dead point, during locking, locking device is partly crossed mechanism dead point and by mechanical position limitation, during release, locking device is oppositely crossed mechanism dead point.
2. the switching mechanism with self-locking device according to claim 1, is characterized in that: described locking device comprises cylinder body, is pressed with in advance roller devices and spring in cylinder body.
3. the switching mechanism with self-locking device according to claim 2, it is characterized in that: cylinder body is pressed with in advance one end of roller devices and is rolled and be connected with radome fairing support arm by roller devices, roller devices can roll in radome fairing support arm, and the other end of cylinder body pushes cylinder with power source and is connected.
4. the switching mechanism with self-locking device according to claim 2, it is characterized in that: cylinder body is pressed with in advance one end of roller devices and is rolled and be connected with radome fairing support arm by roller devices, roller devices can roll in radome fairing support arm, and roller below and the power source of roller devices push cylinder and be connected.
5. the switching mechanism with self-locking device according to claim 2, is characterized in that: the lower end of described cylinder body is provided with one for the interface of manual release and lock artificially, and manual release or lock artificially are all by this interface operation.
6. the switching mechanism with self-locking device according to claim 1, is characterized in that: described axis of rotation is provided with one, is positioned at the center of base plate.
7. the switching mechanism with self-locking device according to claim 1, is characterized in that: described axis of rotation is provided with two, is positioned at the both sides of base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320646186.9U CN203515122U (en) | 2013-10-18 | 2013-10-18 | Opening-closing mechanism with self-locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320646186.9U CN203515122U (en) | 2013-10-18 | 2013-10-18 | Opening-closing mechanism with self-locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203515122U true CN203515122U (en) | 2014-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320646186.9U Withdrawn - After Issue CN203515122U (en) | 2013-10-18 | 2013-10-18 | Opening-closing mechanism with self-locking device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203515122U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510783A (en) * | 2013-10-18 | 2014-01-15 | 青岛四方车辆研究所有限公司 | Opening-closing mechanism with self-locking devices |
| WO2017054177A1 (en) * | 2015-09-30 | 2017-04-06 | 南车戚墅堰机车车辆工艺研究所有限公司 | Switching device of air-deflector of rail vehicle and front nose assembly comprising same |
| WO2019104701A1 (en) * | 2017-12-01 | 2019-06-06 | 中车青岛四方车辆研究所有限公司 | Locking device and opening/closing mechanism having same |
| US11697962B2 (en) | 2013-10-18 | 2023-07-11 | Crrc Qingdao Sifang Rolling Stock Research Institute Co., Ltd. | Opening and closing mechanism and train having the same |
-
2013
- 2013-10-18 CN CN201320646186.9U patent/CN203515122U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510783A (en) * | 2013-10-18 | 2014-01-15 | 青岛四方车辆研究所有限公司 | Opening-closing mechanism with self-locking devices |
| WO2015054943A1 (en) * | 2013-10-18 | 2015-04-23 | 青岛四方车辆研究所有限公司 | Opening/closing mechanism having a self-locking device |
| CN103510783B (en) * | 2013-10-18 | 2015-09-30 | 青岛四方车辆研究所有限公司 | With the switching mechanism of self-locking device |
| US11697962B2 (en) | 2013-10-18 | 2023-07-11 | Crrc Qingdao Sifang Rolling Stock Research Institute Co., Ltd. | Opening and closing mechanism and train having the same |
| WO2017054177A1 (en) * | 2015-09-30 | 2017-04-06 | 南车戚墅堰机车车辆工艺研究所有限公司 | Switching device of air-deflector of rail vehicle and front nose assembly comprising same |
| WO2019104701A1 (en) * | 2017-12-01 | 2019-06-06 | 中车青岛四方车辆研究所有限公司 | Locking device and opening/closing mechanism having same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140402 Effective date of abandoning: 20150930 |
|
| RGAV | Abandon patent right to avoid regrant |