CN104085403B - A kind of railway freight-car bottom door mechanism and locking device thereof - Google Patents
A kind of railway freight-car bottom door mechanism and locking device thereof Download PDFInfo
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- CN104085403B CN104085403B CN201410355599.0A CN201410355599A CN104085403B CN 104085403 B CN104085403 B CN 104085403B CN 201410355599 A CN201410355599 A CN 201410355599A CN 104085403 B CN104085403 B CN 104085403B
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Abstract
The invention discloses the locking device of a kind of railway freight-car bottom door mechanism, described bottom door mechanism includes pivoted arm and meets and discusses；Described locking device includes the tumbler that the vertical push rod being connected with described sliding is rotatably connected with described pivoted arm, the axis of described tumbler and the shaft parallel of described pivoted arm, connect between described tumbler, described push rod and have the actuator driving described tumbler to rotate, also including the locating part that position is fixing, pivoted arm or tumbler are provided with passage；When meeting and discussing push rod described in non-jack-up and pivoted arm rotates along enabling direction, described actuator drives described tumbler to be in described locating part and cannot be introduced into the position of passage；When described bottom door normal switching-off, normally-open time, described actuator drive described tumbler turn to described locating part can pass described passage position.This locking device can realize automatic blocking, prevents cargo leakage, eliminates manual operation.The invention also discloses a kind of railway freight-car bottom door mechanism applying above-mentioned locking device.
Description
Technical field
The present invention relates to railway freight-car technical field, particularly relate to a kind of railway freight-car bottom door mechanism
And locking device.
Background technology
Railway freight-car is mainly used in steel transportation, timber, construction material and bulk goods and (includes
Coal, coke and ore etc.).Such as, hopper wagon is that a kind of headwall inwardly rolls tiltedly or end face
In orthodrome, lower car body is equipped with the railway freight-car of funnel.Goods loads from above, during unloading
Open hopper door, goods by automatically drawing off from gravity, mainly in order to loading for ore, cement,
The loose goods such as coal, significant in railway transportation.
The bottom door mechanism of railway freight-car generally includes pivoted arm and meets and discusses, upwards jack-up pivoted arm of meeting and discussing,
Driving rotating shaft to turn clockwise makes bottom door open, thus realizes unloading automatically.Due to said mechanism
Only realizing locking by eccentric throw, in vehicle travel process, there is the unexpected risk opened in bottom door,
Thus easily lead to driving accident.For traffic safety, need in this mechanism, arrange locking dress
Put, for playing the locking effect to mechanism when bottom door is surprisingly opened, prevent cargo leakage.
In prior art, main by increasing a block between pivoted arm and the mounting seat of mechanism
Stop pivoted arm to rotate, thus play the effect of one-level locking.The mode used at present is: car
In driving process, artificially block is placed between pivoted arm and fixed structure, to prevent the end
Door is opened；When vehicle enter unloading place time, need also exist for artificially by this block from pivoted arm with
Take off between Gu Ding.
Use said method, owing to needs operating personnel manually place or take off block, therefore wave
Take manpower more, there is also potential safety hazard simultaneously, if forgetting to take off locking block during vehicle unloading,
Then it is likely to result in vehicle damage even derailment occurring.
In view of this, it would be highly desirable to for above-mentioned technical problem, optimize and design railway of the prior art
The locking device of lorry bottom door structure, when bottom door is surprisingly opened to mechanism's automatic blocking, prevents
Cargo leakage, and cancel manual operation, improve operating efficiency and the security and stability of locking device.
Summary of the invention
The purpose of the present invention is for providing the locking device of a kind of railway freight-car bottom door mechanism, this locking
Device can prevent cargo leakage when bottom door is surprisingly opened to mechanism's automatic blocking, and cancel
Manual operation, improves operating efficiency and security and stability.On this basis, the present invention
Another object is for providing a kind of railway freight-car bottom door mechanism applying above-mentioned locking device
For solving above-mentioned technical problem, the present invention provides, the lock of a kind of railway freight-car bottom door mechanism
Closing device, described bottom door mechanism is included pivoted arm, is moved back and forth driving described pivoted arm rotation by it
Meet and discuss；Described locking device includes that the vertical push rod being connected with described sliding is with described
The tumbler that pivoted arm is rotatably connected, connects between described tumbler, described push rod and has driving institute
State the actuator that tumbler rotates, also include the locating part that position is fixing, described pivoted arm or described
Tumbler is provided with passage；
Push rod described in non-jack-up is met and discussed and time described pivoted arm rotates along enabling direction, institute when described
Stating actuator drives described tumbler to be in described locating part and cannot be introduced into first of described passage
Put；When described bottom door normal switching-off, normally-open time, described actuator drive described tumbler
Turn to described locating part and can pass the described passage second place.
Preferably, described tumbler is lock pin, the axis of described lock pin and the rotating shaft of described pivoted arm
Parallel, described lock pin is provided with the shackle member and connector radially extended, described actuator inner with
Described connector connects；
Push rod described in non-jack-up is met and discussed and described pivoted arm turns to preset along enabling direction when described
During angle, described shackle member is barred between described locating part and described passage；Meet and discuss when described
When push rod described in jack-up and described pivoted arm do not rotate, described shackle member rotates so that described limit
Position part corresponding can enter described passage, described in pivoted arm of meeting and discussing when rotating along enabling direction, described limit
Position part forward is through described passage；When described pivoted arm rotates along direction of closing the door, described locating part
After colliding described shackle member, passing back through described passage, described shackle member is barred from described again
Between locating part and described passage.
Preferably, described actuator includes traction piece and the first elastic component, outside described traction piece
End is connected with described push rod, is connected outside inner and described connector, described first elastic component
Outer end is connected with inside described connector, inner and described pivoted arm is connected.
Preferably, described actuator also includes the directive wheel being located on described pivoted arm, described guiding
Wheel is located at the downside of described pivoted arm, meets and discusses push rod described in non-jack-up and described pivoted arm turns when described
Before Dong, around to described directive wheel bottom in the middle part of described traction piece.
Preferably, described traction piece is steel wire rope.
Preferably, described actuator is the second elastic component, the outer end of described second elastic component and institute
State push rod connection, inner and described connector is connected.
Preferably, described locating part is cylinder, described cylindrical axis and described rotating shaft
Axis is parallel.
Preferably, described connector, described shackle member are radially extending along described lock pin
Platy structure.
Preferably, it is provided with below described push rod outside pulley, and described push rod and is additionally provided with back-moving spring,
Described back-moving spring one end is connected with described push rod, the other end is connected with described pivoted arm.
Use said structure, when bottom door breaks down and produces the trend of unexpected unlatching, i.e. touch
When the non-jack-up push rod of head and pivoted arm rotate along enabling direction, actuator drives tumbler to be in limit
Position part cannot be introduced into the position of passage, and therefore this locating part interferes with pivoted arm or tumbler,
Pivoted arm cannot be rotated further, namely bottom door cannot be driven to open, play the locking to bottom door
Effect, prevents cargo leakage.And when bottom door normal switching-off, normally-open time, i.e. pivoted arm is normal
When rotating along enabling direction or normally rotate along direction of closing the door, actuator drives tumbler to turn to
Locating part through the position of passage, namely can relieve the limiting component position-limiting action to pivoted arm,
Pivoted arm is made can normally to control opening or closing of bottom door.As can be seen here, this locking device energy
Enough when bottom door is surprisingly opened to mechanism's automatic blocking, prevent cargo leakage, with prior art phase
Ratio, eliminates manual operation, improves operating efficiency and security and stability.
Additionally, the present invention also provides for a kind of railway freight-car bottom door mechanism, including bottom door with described
The locking device that bottom door connects；Described locking device uses railway freight-car bottom door machine as above
The locking device of structure.
Owing to above-mentioned locking device has technique effect as above, therefore, including this locking
The bottom door mechanism of the railway freight-car of device should also be as having correspondingly technique effect, the most superfluous at this
State.
Accompanying drawing explanation
Fig. 1 is a kind of concrete real of the locking device of railway freight-car provided by the present invention bottom door mechanism
Execute the structural representation of mode, and state diagram when illustrating bottom door normal switching-off；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the state diagram when bottom door rotating mechanism lost efficacy of the locking device shown in Fig. 1；
Fig. 4 is the locking device shown in Fig. 1 when meet and discuss jack-up push rod and pivoted arm starts to rotate it
Front state diagram；
Fig. 5 is that the locking device shown in Fig. 1 is when continuation jack-up push rod of meeting and discussing is so that pivoted arm rotates
Time state diagram；
Fig. 6 is that the locking device shown in Fig. 1 is when bottom door is by the state being opened in closing process
Figure；
Fig. 7 is the structural representation of the another kind of detailed description of the invention of locking device provided by the present invention
Figure.
Wherein, the corresponding relation between reference and the component names in each accompanying drawing is:
Pivoted arm 100；Rotating shaft 101；
Meet and discuss 200；
Push rod 1；Pulley 11；
Tumbler 2；Shackle member 21；Connector 22；
Traction piece 31；First elastic component 32；Directive wheel 33；
Locating part 4；
Passage 5.
Detailed description of the invention
The core of the present invention is for providing the locking device of a kind of railway freight-car bottom door mechanism, this locking
Device can prevent cargo leakage when bottom door is surprisingly opened to mechanism's automatic blocking, and cancel
Manual operation, improves operating efficiency and security and stability.On this basis, the present invention
Another core is for providing a kind of railway freight-car bottom door mechanism applying above-mentioned locking device.
In order to make those skilled in the art be more fully understood that technical scheme, knot below
The present invention is described in further detail to close the drawings and specific embodiments.
It should be noted that the herein presented noun of locality " inner " refers near pivoted arm 100
One end of rotating shaft 101, i.e. right-hand member in Fig. 1, " outer end " refers to away from rotating shaft 101
Left end in one end, i.e. Fig. 1；" enabling direction " refers to required pivoted arm 100 when bottom door is opened
Rotation direction, i.e. clockwise direction in Fig. 1, " direction of closing the door " bottom door close time required turn
The rotation direction of arm 100, refers to the counter clockwise direction in Fig. 1；" forward " refers to Fig. 1
In counter clockwise direction, " reversely " refers to the clockwise direction in Fig. 1；Should be appreciated that this
The appearance of a little nouns of locality is set up on the basis of Figure of description, and their appearance should not
Affect protection scope of the present invention.
Refer to the lock that Fig. 1 to Fig. 6, Fig. 1 are railway freight-car provided by the present invention bottom door mechanism
Close the structural representation of a kind of detailed description of the invention of device, and when bottom door normal switching-off is shown
State diagram；Fig. 2 is the top view of Fig. 1；Fig. 3 is the locking device shown in Fig. 1 when bottom door turns
State diagram during dynamic failure mechanisms；Fig. 4 is that the locking device shown in Fig. 1 is when meeting and discussing 200 jack-up
Push rod 1 and pivoted arm 100 start the state diagram before rotating；Fig. 5 is the locking shown in Fig. 1
Device is when 200 continuation jack-up push rods 1 of meeting and discussing are so that state diagram when pivoted arm 100 rotates；Fig. 6
For the locking device shown in Fig. 1 when bottom door is by the state diagram being opened in closing process.
In a kind of detailed description of the invention, the present invention provides the lock of a kind of railway freight-car bottom door mechanism
Closing device, this bottom door mechanism includes pivoted arm 100 and meets and discusses 200, and pivoted arm 100 is by rotating shaft 101
It is connected with bottom door, 200 upwards jack-up pivoted arms 100 of meeting and discussing, drives rotating shaft 101 to turn clockwise
Bottom door is made to open, it is possible to realize unloading automatically.Above-mentioned locking device includes sliding with pivoted arm 100
The tumbler 2 that the vertical push rod 1 connected is rotatably connected with pivoted arm 100, also includes that two ends are divided
That be not connected with tumbler 2, push rod 1, for the actuator driving tumbler 2 to rotate, also
Including the locating part 4 that position is fixing, pivoted arm 100 or tumbler 2 are provided with passage 5.
When bottom door breaks down and produces the trend of unexpected unlatching, 200 non-jack-up of i.e. meeting and discussing push away
When bar 1 and pivoted arm 100 rotate along enabling direction, actuator drives tumbler 2 to be in spacing
Part 4 cannot be introduced into the position of passage 5, therefore this locating part 4 and pivoted arm 100 or tumbler 2
Interfere so that pivoted arm 100 cannot be rotated further, namely bottom door cannot be driven to open, rise
To the locking effect to bottom door, prevent cargo leakage.
And when bottom door normal switching-off, normally-open time, i.e. pivoted arm 100 normally turns along enabling direction
When moving or normally rotate along direction of closing the door, actuator drives tumbler 2 to turn to locating part automatically
4 through the position of passage 5, namely can relieve the limiting component position-limiting action to pivoted arm 100,
Pivoted arm 100 is made can normally to control opening or closing of bottom door.
As can be seen here, this locking device can when bottom door is surprisingly opened to mechanism's automatic blocking,
Prevent cargo leakage, compared with prior art, eliminate manual operation, improve operating efficiency
And security and stability.
In concrete scheme, as depicted in figs. 1 and 2, above-mentioned tumbler 2 can be lock pin,
The axis of lock pin is parallel with the rotating shaft 101 of pivoted arm 100, and lock pin is provided with the shackle member radially extended
21 and connector 22, actuator the inner is connected with connector 22.
As it is shown on figure 3, ought meet and discuss, 200 non-jack-up push rods 1 and pivoted arm 100 are along enabling direction
When turning to predetermined angle, shackle member 21 is barred between locating part 4 and passage 5 so that limit
Position part 4 cannot be introduced into passage 5, i.e. limiting component and interferes with pivoted arm 100 so that pivoted arm
100 cannot be rotated further, it is ensured that bottom door cannot be opened, and play the effect of locking.
When lorry arrive at unloading place, as shown in Figure 4,200 normal jack-up push rods 1 of meeting and discussing,
And pivoted arm 100 is not when rotating, actuator drives key rotation by connector 22, drives clamping
Part 21 rotates so that locating part 4 corresponding can enter passage 5, as it is shown in figure 5, pivoted arm 100
Time after rotating along enabling direction, locating part 4 forward passes passage 5.Such that at pivoted arm 100
The shackle member 21 stop to locating part 4 is relieved so that pivoted arm 100 is normal before starting to rotate
When rotating along enabling direction, locating part 4 is through passage 5, it is ensured that bottom door is normally-open.
As shown in Figure 6, when pivoted arm 100 rotates along direction of closing the door, locating part 4 passes back through
After passage 5, collision shackle member 21, lock pin is forced to reversely rotate, so that shackle member 21 is again
It is barred between locating part 4 and passage 5.
From the above-mentioned course of work, the locking device of said structure utilizes actuator to control lock pin
Shackle member 21 turn to diverse location, it is possible to stop that when chance failure locating part 4 is through logical
Road 5, and make releasing spacing when pivoted arm 100 normal rotation, and using lock pin as tumbler 2
Also there is the feature that simple in construction, processing cost are relatively low.
It is contemplated that above-mentioned tumbler 2 is not limited in the structure of above-mentioned lock pin, above-mentioned passage
5 also and not only limit be located on pivoted arm 100, such as, shown in Fig. 7, this figure is carried by the present invention
Structural representation for the another kind of detailed description of the invention of locking device.Above-mentioned tumbler 2 also may be used
Thinking that cylinder, driver part are directly connected on this cylindrical end face, above-mentioned passage 5 sets
On cylinder.So, pivoted arm 100 is caused to have along enabling direction when bottom door mechanism malfunction
During the trend rotated, locating part 4 and passage 5 can be made to stagger, cannot pass；When pivoted arm 100
Normally rotate along opening direction or along when closing direction rotation, actuator can drive cylinder to turn
Dynamic, so that locating part 4 is corresponding with passage 5, can pass, it is ensured that bottom door is normally beaten and opened or closed
Close.
In another kind of concrete scheme, above-mentioned actuator can include traction piece 31 and the first bullet
Property part 32, the outer end of traction piece 31 is connected with push rod 1, inner be connected outside connector 22,
The outer end of the first elastic component 32 is connected with inside connector 22, the inner is connected with pivoted arm 100.
Here refer to " outward " direction extended from right to left in Fig. 4, " interior " refer in Fig. 4 from
The direction that from left to right extends；Should be appreciated that these nouns of locality are also on the basis of Figure of description
And set up, their appearance the most should not affect protection scope of the present invention.
Use this structure, when bottom door mechanism produce fault, 200 non-jack-up push rods 1 of meeting and discussing,
And pivoted arm 100 is when rotating along enabling direction, traction piece the 31, first elastic component 32 is not the most by outward
Power, lock pin position is fixed, and is barred between locating part 4, passage 5 so that shackle member 21 is located at.
When bottom door is normally-open, meet and discuss 200 first jack-up push rod 1 time, push rod 1 is relative to pivoted arm
100 move upward, so that the outer end position of traction piece 31 gradually uprises, traction piece 31 is to even
Fitting 22 produces clockwise pulling force, so that lock pin rotates clockwise, drives shackle member 21 turns
It is dynamic so that locating part 4 corresponding can enter passage 5, now the first elasticity inside connector 22
Part 32 is in extended state.When 200 continuation campaigns of meeting and discussing, so that pivoted arm 100 entirety starts to turn
After Dong, push rod 1 gradually 200 separates with meeting and discussing, and push rod 1 is then transported downwards relative to pivoted arm 100
Dynamic, the outer end of traction piece 31 is gradually recovered, and the pulling force of connector 22 is disappeared by traction piece 31,
By the acting on of elastic pulling force of the first elastic component 32, lock pin counterclockwise movement cannot to locating part 4
Enter the position of passage 5.
As can be seen here, use traction piece the 31, first elastic component 32 combine mode can simply,
Drive the rotation of lock pin easily, so that locating part 4 enters or cannot be introduced into passage 5, moreover it is possible to
In the case of not by external force, lock pin is played positioning action, it is achieved automatically controlling of locking device,
Without manual operation.
Further in scheme, above-mentioned actuator can also include the guiding being located on pivoted arm 100
Wheel 33, directive wheel 33 is located at the downside of pivoted arm 100, when meet and discuss 200 non-jack-up push rods 1 and
Before pivoted arm 100 rotates, around to directive wheel 33 bottom in the middle part of traction piece 31.Here except leading
The remainder at the two ends drawing part 31 all can be referred to as " in the middle part of traction piece 31 ", concrete scheme
In, as shown in Figure 4, can be by the outer part in the middle part of traction piece 31 around to directive wheel 33 end
End, it is of course also possible to by the inner part in the middle part of traction piece 31 around to directive wheel 33 bottom.
Use this structure, it is possible to increase traction piece 31 when meeting and discussing 200 jack-up push rod 1 further
Tractive force to connector 22.
Above-mentioned traction piece 31 can be specially steel wire rope, owing to the strength and stiffness of steel wire rope are equal
Bigger, it is possible to the driving force to lock pin is stably provided.Certainly, above-mentioned traction piece 31 is all right
Use other structures.
It is contemplated that above-mentioned actuator not only limit traction piece the 31, first elastic component 32 combine
Structure, for example, it is also possible to actuator is simply set as the second elastic component, second is elastic
The outer end of part is connected with push rod 1, the inner is connected with connector 22.
So, when meet and discuss 200 jack-up push rod 1 time, push rod 1 is upwards transported relative to pivoted arm 100
Time dynamic, the second elastic component outer end under tension, therefore the inner of the second elastic component is to connector 22
Apply pulling force, drive lock pin to rotate clockwise, so that locating part 4 can pass passage 5；When
Pivoted arm 100 entirety start rotate, push rod 1 and meet and discuss 200 separate after, the second elastic component is gradually
Recover, drive lock pin to come back to locating part 4 and cannot be introduced into the position of passage 5.
In another kind of detailed description of the invention, above-mentioned locating part 4 can be cylinder, cylinder
Axis parallel with the axis of rotating shaft 101.
Use this locating part 4, it is simple to pass through passage 5, certainly, above-mentioned locating part 4
Other structures such as tabular, bulk can also be used.
In another kind of detailed description of the invention, connector 22, shackle member 21 are the footpath along lock pin
To the platy structure extended.
Use platy structure, it is simple to the connection of driver part, also allow for realizing lock pin forward and backward two
In end Fig. 2, the stress balance at upper and lower two ends, also allows for the stop to locating part 4.Certainly, on
State connector 22, shackle member 21 can also use other structures such as column, bulk.
In another kind of detailed description of the invention, pulley 11 can be provided with below above-mentioned push rod 1, meet and discuss
200 promote push rod 1 to move upward by pulley 11；And it is additionally provided with back-moving spring outside push rod 1,
Back-moving spring one end is connected with push rod 1, the other end is connected with pivoted arm 100.
So, during 200 jack-up push rods 1 of meeting and discussing, pulley 11 can reduce meets and discusses
Frictional force between 200 and push rod 1, when push rod 1 meet and discuss 200 thrust under gradually
During rising, back-moving spring is compressed, and when 200 promotion pivoted arm 100 unitary rotation of meeting and discussing, pushes away
Bar 1 with meet and discuss 200 separate after, the elastic force of back-moving spring can make push rod 1 reset rapidly, with
Realize the rapid reset of tumbler 2.
Additionally, the present invention also provides for a kind of railway freight-car bottom door mechanism, including bottom door with described
The locking device that bottom door connects；Described locking device uses railway freight-car bottom door machine as above
The locking device of structure.
Owing to above-mentioned locking device has as above technique effect, therefore, including this locking device
Railway freight-car bottom door mechanism should also be as having identical technique effect, does not repeats them here.
Above a kind of railway freight-car bottom door mechanism provided by the present invention and locking device thereof are entered
Go and be discussed in detail.Principle and the embodiment of the present invention are entered by specific case used herein
Having gone elaboration, the explanation of above example is only intended to help to understand method and the core thereof of the present invention
Thought is thought.It should be pointed out that, for those skilled in the art, without departing from
On the premise of the principle of the invention, it is also possible to the present invention is carried out some improvement and modification, these change
Enter and modify in the protection domain also falling into the claims in the present invention.
Claims (10)
1. a locking device for railway freight-car bottom door mechanism, described bottom door mechanism includes pivoted arm
(100), driving meet and discuss (200) that described pivoted arm (100) rotates, described locking device includes
The vertical push rod (1) and the described pivoted arm (100) that are slidably connected with described pivoted arm (100) can
The tumbler (2) being rotationally connected；It is characterized in that,
Connect between described tumbler (2), described push rod (1) and have the described tumbler of driving (2)
The actuator rotated, also includes the locating part (4) that position is fixing, described pivoted arm (100) or institute
State tumbler (2) and be provided with passage (5)；
When described push rod (1) described in (200) non-jack-up and described pivoted arm (100) edge of meeting and discussing
When enabling direction rotates, described actuator drives described tumbler (2) to be in described locating part (4)
Cannot be introduced into the position of described passage (5), so that described locating part (4) and described pivoted arm (100)
Or described tumbler (2) interferes；When described bottom door normal switching-off, normally-open time, described in drive
Moving part drives described tumbler (2) to turn to described locating part (4) automatically can be through described logical
Road (5) position.
The locking device of railway freight-car the most according to claim 1 bottom door mechanism, it is special
Levying and be, described tumbler (2) is lock pin, and described lock pin turns with described pivoted arm (100)
Axle (101) is parallel, and described lock pin is provided with the shackle member (21) and connector (22) radially extended,
Inner and the described connector of described actuator (22) is connected；
When described push rod (1) described in (200) non-jack-up and described pivoted arm (100) edge of meeting and discussing
When enabling direction turns to predetermined angle, described shackle member (21) is barred from described locating part (4)
And between described passage (5)；When described meet and discuss push rod (1) and institute described in (200) jack-up
Stating pivoted arm (100) when not rotating, described shackle member (21) rotates so that described locating part (4)
Corresponding can enter described passage (5), described in meet and discuss (200) pivoted arm (100) along enabling direction
During rotation, described locating part (4) forward passes described passage (5)；When described pivoted arm (100)
When rotating along direction of closing the door, described locating part (4) passes back through described passage (5) and collides
After described shackle member (21), described shackle member (21) is barred from described locating part (4) again
And between described passage (5).
The locking device of railway freight-car the most according to claim 2 bottom door mechanism, it is special
Levying and be, described actuator includes traction piece (31) and the first elastic component (32), described traction
The outer end of part (31) is connected with described push rod (1), inner and described connector (22) outside
Connect, be connected inside the outer end of described first elastic component (32) and described connector (22),
Inner and described pivoted arm (100) is connected.
The locking device of railway freight-car the most according to claim 3 bottom door mechanism, it is special
Levying and be, described actuator also includes the directive wheel (33) being located on described pivoted arm (100),
Described directive wheel (33) is located at the downside of described pivoted arm (100), when described meet and discuss (200)
Before push rod (1) described in non-jack-up and described pivoted arm (100) rotate, described traction piece (31)
Middle part is around to described directive wheel (33) bottom.
The locking device of railway freight-car the most according to claim 4 bottom door mechanism, it is special
Levying and be, described traction piece (31) is steel wire rope.
The locking device of railway freight-car the most according to claim 2 bottom door mechanism, it is special
Levying and be, described actuator is the second elastic component, and the outer end of described second elastic component pushes away with described
Bar (1) connects, inner and described connector (22) is connected.
7. according to the locking dress of the railway freight-car bottom door mechanism described in any one of claim 1-6
Put, it is characterised in that described locating part (4) is cylinder, described cylindrical axis and institute
The axis stating rotating shaft (101) is parallel.
8. according to the locking dress of the railway freight-car bottom door mechanism described in any one of claim 2-6
Put, it is characterised in that described connector (22), described shackle member (21) are along described lock
The platy structure radially extended of pin.
9. according to the locking dress of the railway freight-car bottom door mechanism described in any one of claim 1-6
Put, it is characterised in that described push rod (1) lower section is provided with pulley (11), and described push rod (1)
Being additionally provided with outward back-moving spring, described back-moving spring one end is connected with described push rod (1), the other end
It is connected with described pivoted arm (100).
10. a railway freight-car bottom door mechanism, including bottom door and the locking that is connected with described bottom door
Device；It is characterized in that, described locking device uses as described in any one of claim 1-9
The locking device of railway freight-car bottom door mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410355599.0A CN104085403B (en) | 2014-07-24 | 2014-07-24 | A kind of railway freight-car bottom door mechanism and locking device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410355599.0A CN104085403B (en) | 2014-07-24 | 2014-07-24 | A kind of railway freight-car bottom door mechanism and locking device thereof |
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| Publication Number | Publication Date |
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| CN104085403A CN104085403A (en) | 2014-10-08 |
| CN104085403B true CN104085403B (en) | 2016-08-31 |
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| CN201410355599.0A Active CN104085403B (en) | 2014-07-24 | 2014-07-24 | A kind of railway freight-car bottom door mechanism and locking device thereof |
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| CN111038535B (en) * | 2019-12-25 | 2021-04-13 | 中车长江车辆有限公司 | Locking device and hopper car |
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| CN100429103C (en) * | 2006-10-25 | 2008-10-29 | 中国南车集团株洲车辆厂 | Method and device for opening and closing discharging door |
| CN201343032Y (en) * | 2009-02-20 | 2009-11-11 | 济南轨道交通装备有限责任公司 | Bottom door open-close device of railway hopper car |
| CN201604648U (en) * | 2009-10-27 | 2010-10-13 | 大连联重科技有限公司 | Opening collision head device of hopper door car |
| CN102582640A (en) * | 2011-01-06 | 2012-07-18 | 齐齐哈尔轨道交通装备有限责任公司 | Ballast hopper car |
| US8596203B2 (en) * | 2011-05-11 | 2013-12-03 | National Steel Car Limited | Railroad car and door mechanism therefor |
| CN103085823B (en) * | 2011-10-28 | 2015-07-08 | 齐齐哈尔轨道交通装备有限责任公司 | Bottom door handling mechanism, bottom door device and bottom-door hopper car |
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2014
- 2014-07-24 CN CN201410355599.0A patent/CN104085403B/en active Active
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| CN104085403A (en) | 2014-10-08 |
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