CN102278019A - Lower railway truck door locking device - Google Patents
Lower railway truck door locking device Download PDFInfo
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- CN102278019A CN102278019A CN2011101460437A CN201110146043A CN102278019A CN 102278019 A CN102278019 A CN 102278019A CN 2011101460437 A CN2011101460437 A CN 2011101460437A CN 201110146043 A CN201110146043 A CN 201110146043A CN 102278019 A CN102278019 A CN 102278019A
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- jump
- hole
- counterbore
- lock
- plane
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Abstract
The invention relates to the field of railway transportation equipment, in particular to a railway truck locking device, which comprises a lock base and a coupler knuckle lock. A key technology is that: the lower end of the lock base is provided with a coupler knuckle lock supporting surface of which two sides are provided with a web plate respectively; the lower end of the two web plates are provided with an anti-tripping hole respectively; anti-tripping pin shafts are arranged by the anti-tripping holes; an elongated through hole, a counterbore and an elongated counterbore are formed in one anti-tripping hole; the middle part of the coupler knuckle lock is provided with a slotted hole; a plane is formed on a lateral surface at the top end of the coupler knuckle lock; an outer surface at the lower end of the coupler knuckle lock is a circular surface which is supported by the coupler knuckle lock supporting surface; one end of the anti-tripping pin shaft is provided with a circular table; and an anti-tripping safety pin is inserted into the middle part of the anti-tripping pin shaft. In locking, the anti-tripping safety pin is in fit with the elongated counterbore to limit the degree of freedom of the anti-tripping safety pin and realize safe locking; in unlocking, the circular table is in fit with the counterbore to prevent the anti-tripping safety pin from being broken after the unlocking, prolong the service life of the locking device, effectively solve the problem of breakage of a fold of a lower door and improve transportation safety.
Description
Technical field
The present invention relates to the equipment of railway transportation field, particularly the railway freight-car locking device.
Background technology
Side door needs locking under the truck in transportation, general at present horizontal the moving to realize locking of adopting hasp constraint downside door butt.The shortcoming that this locking device exists is: during unloading, the vibration that hasp produced along with when unloading and get back to the locking position, when closing side door, cause downside door butt and hasp often to bump, thereby cause the fracture of downside door butt, this has not only improved maintenance cost, has also reduced the safety of vehicle operating simultaneously.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of locking device that can solve truck downside door butt breakage problem easily according to the deficiencies in the prior art.Its technical scheme is as follows:
It comprises lock and lock iron, and the lock Tie Tong crosses the staking pin and is installed on the lock.Its key technology is that the lock lower end is a lock iron supporting surface, both sides on the lock iron supporting surface are provided with web, have anti-jump hole in two web lower ends, by anti-jump hole anti-jump bearing pin is installed, offer strip through hole, counter sink and strip counterbore in the anti-jump hole on the web of anti-jump bearing pin pull-out direction, in counter sink, be provided with counterbore inclined-plane and counterbore plane; Lock iron middle part has slotted hole, and termination one is expanded circular hole under the slotted hole, and there is a plane side, top of lock iron, and lock iron lower end external surface is an arc surface, and arc surface is supported by lock iron supporting surface; End at anti-jump bearing pin is provided with round platform, forms the round platform inclined-plane on the round table surface, and the inboard of round platform is the round platform plane, and anti-jump bearing pin middle part has anti-jump pin hole, inserts anti-jump latch in the anti-jump pin hole.
Compared with prior art the beneficial effect that has of the present invention is:
1, the present invention adopts anti-jump bearing pin and lock iron to cooperate the locking car door, without hasp, effectively solve the problem of downside door butt fracture, avoided problem because of following side door distortion locking difficulty, can satisfy the locking under any deflection of side door down, be applicable to the locking such as the truck of side door under the railway freight-car, the Problem of Failure voluntarily of locking device when efficiently solving dumptruct on the universal gondola car, locking is convenient, reliable, has improved Transport Safety.
2, the present invention installs anti-jump latch on anti-jump bearing pin, is provided with the strip counterbore in anti-jump hole, and anti-jump latch cooperates with the strip counterbore during locking, limits the degree of freedom of anti-jump latch, locking safety.
3, the present invention is provided with counterbore inclined-plane and counterbore plane in counter sink, end at anti-jump bearing pin is provided with round platform, round table surface is provided with round platform inclined-plane and round platform plane, the round platform plane cooperates with the counterbore plane when unblanking, the round platform inclined-plane cooperates with the counterbore inclined-plane, anti-jump bearing pin fractures after preventing to unblank, and prolongs the application life of locking device.
Description of drawings
Fig. 1 is full lock bit architecture schematic diagram of the present invention;
Fig. 2 is the half-open position of the present invention front view;
Fig. 3 is standard-sized sheet of the present invention position front view;
Fig. 4 is lock structural representation of the present invention;
Fig. 5 is Fig. 4 right view;
Fig. 6 is for the present invention locks the iron construction schematic diagram;
Fig. 7 is Fig. 6 right view;
Fig. 8 is the anti-jump pin shaft structure schematic diagram of the present invention;
Fig. 9 is Fig. 8 right view.
The specific embodiment
Referring to Fig. 1-Fig. 9, the present invention includes and comprise lock 3 and lock iron 2, lock iron 2 is installed on the lock 3 by staking pin 1, to strengthen bonding strength and the rigidity in the running.Its key technology is that lock 3 is single-casting, and lock 3 lower ends are lock iron supporting surfaces 3.2, and the both sides on the lock iron supporting surface 3.2 are provided with web 3.1, have anti-jump hole 3.3 in two web lower ends, by anti-jump hole 3.3 anti-jump bearing pin 4 are installed; Wherein the anti-jump hole on the web is anti-jump through hole, offer strip through hole 3.5, counter sink 3.4 and strip counterbore 3.6 in the anti-jump hole on the web of anti-jump bearing pin 4 pull-out directions, counter sink 3.4 and strip counterbore 3.6 are at grade, counter sink 3.4 is circular, strip counterbore 3.6 is a rectangle, the length of strip counterbore 3.6 is greater than the diameter of counter sink 3.4, the width of strip counterbore 3.6 is less than the diameter of counter sink 3.4, and the center line of strip through hole 3.5 and strip counterbore 3.6 is vertical mutually; Be provided with the gradient that tilts to anti-jump bearing pin pull-out direction and be 4-6 ° counterbore inclined-plane 3.9 in counter sink 3.4, the end on counterbore inclined-plane 3.9 connects counterbore plane 3.8.
Anti-jump bearing pin 4 is a multidiameter, one end is provided with round platform 4.2, round platform 4.2 is dwindled gradually by the inboard, lateral, the formation gradient is 4-6 ° round platform inclined-plane 4.1 on round table surface, the inboard of round platform 4.2 is round platform plane 4.3, when unblanking to pull out anti-jump bearing pin 4, round platform plane 4.3 cooperates with the counterbore plane 3.8 of counter sink 3.4, round platform inclined-plane 4.1 cooperates with the counterbore inclined-plane 3.9 of counter sink 3.4, draw anti-jump bearing pin more, the round platform of anti-jump bearing pin cooperates tight more with counter sink, the anti-jump bearing pin in back that prevents to unblank is beated under shock conditions so that fracture; Anti-jump bearing pin 4 middle parts have anti-jump pin hole 4.4, insert anti-jump latch 8 in the anti-jump pin hole 4.4, and anti-jump latch 8 and lock 3 interior strip counterbores 3.6 cooperate during locking, limit the degree of freedom of anti-jump latch 8, realizing anti-jump function, thereby reach the locking effect.
Anti-jump bearing pin 4 other ends are installed handgrip 5, between handgrip 5 and web, be inserted in packing ring 7 and spring 6, spring 6 is in compressive state at work, to guarantee closely cooperating of anti-jump latch 8 and strip counterbore 3.6, strengthen anti-jump function, packing ring does not fall into the strip through hole of lock to guarantee spring in the course of the work, and handgrip and anti-jump bearing pin are welded into one, and have the effect of compression spring and rotation, the anti-jump bearing pin of push-and-pull.
Web upper end at anti-jump bearing pin 4 pull-out directions is provided with protected apron 3.7, is directly clashed into by goods to protect anti-jump bearing pin.
Installation process of the present invention: at first anti-jump latch 8 is inserted in the anti-jump pin hole 4.4, and be welded into one with it, again its integral body is inserted (slightly larger in diameter of anti-jump through hole is in the length of anti-jump latch) here from the anti-jump through hole on the web (left end web) wherein, again packing ring 7 is inserted in anti-jump bearing pin 4, be inserted in spring 6 again, be inserted in handgrip 5 at last, and handgrip 5 and anti-jump bearing pin 4 are welded into one to the installation site, at last, lock 3 is welded in the bottom side rail relevant position.
Use when of the present invention, the downside door butt should cooperate and reserve the release space with lock iron.
Locking order: at first when Fig. 3 position, be pulled upwardly lock iron 2 and Rotate 180 degree, make its perpendicular 2.1 be affixed on the downside door butt, applying a downward external force on lock iron 2 tops again fits tightly to Fig. 2 position itself and downside door butt, handgrip 5 is pushed away left, when treating that spring 6 is compressed to maximum position, handgrip 5 revolved turn 90 degrees, anti-jump latch 8 is placed in the strip counterbore 3.6 of lock 3 to Fig. 1 position, withdraw from external force, finish locking.
Unlock sequence: at first when Fig. 1 position, promote handgrip 5 left to certain distance earlier, handgrip 5 revolved turn 90 degrees, make anti-jump latch 8 can pass through strip through hole 3.5, again anti-jump bearing pin 4 is drawn out to Fig. 2 position to the right, secondly upwards promoting lock iron 2 to lock iron 2 perpendiculars 2.1 breaks away from the downside door butt, to lock iron 2 Rotate 180 degree subsequently to Fig. 3 position, finish release.
Claims (8)
1. truck downside door locking apparatus, comprise lock (3) and lock iron (2), lock iron (2) is installed on the lock (3) by staking pin (1), it is characterized in that lock (3) lower end is a lock iron supporting surface (3.2), both sides on the lock iron supporting surface (3.2) are provided with web (3.1), have anti-jump hole (3.3) in two web lower ends, by anti-jump hole (3.3) anti-jump bearing pin (4) is installed, offer strip through hole (3.5) in the anti-jump hole on the web of anti-jump bearing pin (4) pull-out direction, counter sink (3.4) and strip counterbore (3.6), be provided with counterbore inclined-plane (3.9) in counter sink (3.4), the end of counterbore inclined-plane (3.9) connects counterbore plane (3.8); Lock iron (2) middle part has slotted hole (2.3), slotted hole (2.3) down termination one expands circular hole (2.5), there is a plane (2.1) side, top of lock iron (2), and lock iron (2) lower end external surface is arc surface (2.4), and arc surface (2.4) is supported by lock iron supporting surface (3.2); End at anti-jump bearing pin (4) is provided with round platform (4.2), form round platform inclined-plane (4.1) on the round table surface, the inboard of round platform (4.2) is round platform plane (4.3), and anti-jump bearing pin (4) middle part has anti-jump pin hole (4.4), inserts anti-jump latch (8) in the anti-jump pin hole (4.4).
2. according to the described truck downside of claim 1 door locking apparatus, it is characterized in that counter sink (3.4) and strip counterbore (3.6) at grade, counter sink (3.4) is circular, strip counterbore (3.6) is a rectangle, the length of strip counterbore (3.6) is greater than the diameter of counter sink (3.4), the width of strip counterbore (3.6) is less than the diameter of counter sink (3.4), and strip through hole (3.5) is vertical mutually with the center line of strip counterbore (3.6).
3. according to the described truck downside of claim 1 door locking apparatus, it is characterized in that counterbore inclined-plane (3.9) tilts to anti-jump bearing pin pull-out direction, gradient is 4-6 °.
4. according to the described truck downside of claim 1 door locking apparatus, it is characterized in that round platform (4.2) is dwindled gradually by the inboard, lateral, the formation gradient is 4-6 ° round platform inclined-plane (4.1) on the round table surface.
5. according to the described truck downside of claim 1 door locking apparatus, it is characterized in that locking iron (2) top and have handle hole (2.2).
6. according to the described truck downside of claim 1 door locking apparatus, it is characterized in that anti-jump bearing pin (4) other end installation handgrip (5).
7. according to the described truck downside of claim 6 door locking apparatus, it is characterized in that being inserted in packing ring (7) and spring (6) between handgrip (5) and the web being positioned on the anti-jump bearing pin (4).
8. according to the described truck downside of claim 1 door locking apparatus, it is characterized in that being provided with protected apron (3.7) in the web upper end of anti-jump bearing pin (4) pull-out direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110146043 CN102278019B (en) | 2011-06-01 | 2011-06-01 | Lower railway truck door locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110146043 CN102278019B (en) | 2011-06-01 | 2011-06-01 | Lower railway truck door locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102278019A true CN102278019A (en) | 2011-12-14 |
| CN102278019B CN102278019B (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110146043 Active CN102278019B (en) | 2011-06-01 | 2011-06-01 | Lower railway truck door locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102278019B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161362A (en) * | 2013-04-07 | 2013-06-19 | 南车长江车辆有限公司 | Locking device for bottom side door of railway open wagon |
| CN103628754A (en) * | 2013-11-29 | 2014-03-12 | 齐齐哈尔轨道交通装备有限责任公司 | Base door lock, key and locking device of railway freight car |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1959047A (en) * | 2006-10-17 | 2007-05-09 | 中国南车集团眉山车辆厂 | Door lock at underside of open freight car of railroad freingt activity |
| CN101323309A (en) * | 2008-07-25 | 2008-12-17 | 南车眉山车辆有限公司 | Bottom side door hasp lock apparatus of railway freight gondola car |
| CN201395993Y (en) * | 2009-02-20 | 2010-02-03 | 济南轨道交通装备有限责任公司 | Anti-bounce railway open wagon lower door lock |
| CN202100087U (en) * | 2011-06-01 | 2012-01-04 | 南车眉山车辆有限公司 | Locking device of lower side door of railway open wagon |
-
2011
- 2011-06-01 CN CN 201110146043 patent/CN102278019B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1959047A (en) * | 2006-10-17 | 2007-05-09 | 中国南车集团眉山车辆厂 | Door lock at underside of open freight car of railroad freingt activity |
| CN101323309A (en) * | 2008-07-25 | 2008-12-17 | 南车眉山车辆有限公司 | Bottom side door hasp lock apparatus of railway freight gondola car |
| CN201395993Y (en) * | 2009-02-20 | 2010-02-03 | 济南轨道交通装备有限责任公司 | Anti-bounce railway open wagon lower door lock |
| CN202100087U (en) * | 2011-06-01 | 2012-01-04 | 南车眉山车辆有限公司 | Locking device of lower side door of railway open wagon |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161362A (en) * | 2013-04-07 | 2013-06-19 | 南车长江车辆有限公司 | Locking device for bottom side door of railway open wagon |
| CN103628754A (en) * | 2013-11-29 | 2014-03-12 | 齐齐哈尔轨道交通装备有限责任公司 | Base door lock, key and locking device of railway freight car |
| CN103628754B (en) * | 2013-11-29 | 2016-08-17 | 齐齐哈尔轨道交通装备有限责任公司 | Railway freight-car bottom door lock, key and locking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102278019B (en) | 2013-08-14 |
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| C14 | Grant of patent or utility model | ||
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