CN104260735B - Hopper car bottom door with lock shaft device and hopper car - Google Patents
Hopper car bottom door with lock shaft device and hopper car Download PDFInfo
- Publication number
- CN104260735B CN104260735B CN201410488131.9A CN201410488131A CN104260735B CN 104260735 B CN104260735 B CN 104260735B CN 201410488131 A CN201410488131 A CN 201410488131A CN 104260735 B CN104260735 B CN 104260735B
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- CN
- China
- Prior art keywords
- bottom door
- hopper wagon
- funnel plate
- alignment pin
- shaft device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D7/00—Hopper cars
- B61D7/14—Adaptations of hopper elements to railways
- B61D7/16—Closure elements for discharge openings
- B61D7/18—Closure elements for discharge openings pivoted
Abstract
The invention discloses a hopper car bottom door with a lock shaft device and a hopper car, and belongs to the technical field of vehicles. As the bottom door is provided with the lock shaft device, when the hopper car bottom door needs to be opened, relative positions of a bearing block and a rotating shaft cannot be locked by the lock shaft device, a hopper plate can rotate by taking the rotating shaft as a rotation center; when the hopper car bottom door needs to be maintained in a close state, one end of the lock shaft device is connected to the bearing block while the other end is connected to the hopper plate, so that rigid acting force is applied by the lock shaft device between the hopper plate and the bearing block to lock the relative positions of the bearing block and the rotating shaft and to prevent the hopper plate from rotating by taking the rotating shaft as the rotation center. The bottom door can achieve safe locking. As being provided with the hopper car bottom door with the lock shaft device, the hopper car also has the abovementioned advantages.
Description
Technical field
The present invention relates to hopper wagon technical field, the hopper wagon bottom door and hopper wagon of more particularly to a kind of locking shaft device.
Background technology
There is a kind of hopper wagon in prior art, in order to realize the locking to hopper wagon bottom door, typically at the bottom of hopper wagon two
When door needs the locking hopper wagon bottom door, it is necessary to make lock pin just insert lockhole to lockhole, this locking mode is to lock pin and lockhole
Centring property and required distance it is more strict.Referring to accompanying drawing 1, there is a kind of hopper wagon bottom with funnel plate in prior art
Door, including funnel plate 1, rotating shaft 4, rolling bearing 14 and bearing block 2, rotating shaft 4 is fixedly connected on the vehicle frame of hopper wagon, bearing block 2
It is fixedly installed on funnel plate 1, rolling bearing 14 is carried by bearing block 2, the rotation between bearing block 14 and rotating shaft 4 makes funnel plate
1 rotates by center of rotation of rotating shaft 4, causes hopper wagon bottom door to be turned on or off；But, between this bottom door and funnel plate 1
Because of the mounting board stone tiny fragments of stone, coal, etc. between abrasion or both sides bottom door funnel plate 1 can be caused to be difficult to reach locking position during life-time service
Put, and make occur locking difficulty between hopper wagon bottom door；Also, when the unexpected rotation of the funnel plate 1, it is easily caused the funnel plate
1 is opened accidentally.
The content of the invention
In order to solve the above problems, even if the present invention is proposed, centring property between the bottom door of one kind two is deteriorated and distance is drawn
When big, the hopper wagon bottom door and the hopper wagon with the bottom door of the locking shaft device of guarantee bottom door locking safety is remained able to.
The hopper wagon bottom door of the locking shaft device that the present invention is provided includes funnel plate, rotating shaft, rolling bearing and bearing block, institute
The vehicle frame that rotating shaft is fixedly connected on the hopper wagon is stated, the bearing block is fixedly installed on the funnel plate, the axis of rolling
Hold and carried by the bearing block, the rotation between the bearing block and the rotating shaft makes the funnel plate with the rotating shaft as rotation
Central rotation, causes the hopper wagon bottom door to be turned on or off；
Also include lock shaft device,
When needing to open the hopper wagon bottom door, the lock shaft device cannot lock the bearing block with the rotating shaft
Relative position, the funnel plate can rotate by center of rotation of the rotating shaft；
When needing to keep the hopper wagon bottom door to be closed, one end of the lock shaft device is connected to the axle
Bearing, the other end is connected to the funnel plate so that the lock shaft device applies between the funnel plate and the bearing block
Rigid active force, locks the relative position of the bearing block and the rotating shaft, prevents the funnel plate with the rotating shaft as rotation
Central rotation.
Preferably, the lock shaft device includes the first connector and lock shaft mechanism, first connector is fixedly connected
In the bearing block,
When needing to open the hopper wagon bottom door, the lock shaft device cannot first connector and funnel plate it
Between apply active force；
When needing to keep the hopper wagon bottom door to be closed, one end of the lock shaft mechanism is connected to described
A connection piece, the other end is connected to the funnel plate so that the lock shaft mechanism is between the funnel plate and the bearing block
Apply rigid active force, lock the relative position of the bearing block and the rotating shaft, the prevention funnel plate is with the rotating shaft
Center of rotation rotates.
Preferably, the hopper wagon bottom door of the locking shaft device also includes the first alignment pin, the second alignment pin, the lock
Axis mechanism is arranged element and second and is arranged element including first, and first alignment pin is fixedly connected on first connector,
Second alignment pin is fixedly connected on the funnel plate, when needing to keep the hopper wagon bottom door to be closed, institute
State first and be arranged element housing on first alignment pin, described second is arranged element housing is located on second alignment pin.
Preferably, the lock shaft mechanism also includes the first screw rod, the second screw rod and double thread nut, the double thread spiral shell
The first screw thread and the second screw thread are provided with mother, described first is arranged element is fixedly connected on first screw rod, described second set
If element is fixedly connected on second screw rod, first screw rod constitutes screw thread pair, second spiral shell with first screw thread
Bar constitutes screw thread pair with second screw thread, and described second is arranged the head of the set apertured internal diameter more than second alignment pin of element
Portion's diameter.
Preferably, the hopper wagon bottom door of the locking shaft device also includes the 3rd alignment pin, the 3rd alignment pin is consolidated
Surely first connector is connected to, the head that the described second set apertured internal diameter for being arranged element is more than the 3rd alignment pin is straight
Footpath.
Preferably, described first is arranged the head diameter of the internal diameter less than first alignment pin of the set apertured of element,
Described first is arranged element constitutes rotation pair with the bar portion of first alignment pin.
Preferably, first alignment pin is arranged element to the minimum spacing of second alignment pin more than described first
And second be arranged minimum spacing between element, the maximum spacing of first alignment pin to second alignment pin is less than described
First is arranged element and the second maximum spacing being arranged between element.
Preferably, the lock shaft mechanism is a removable connector, for the funnel plate and described first to be connected
Part is removably joined together；
When needing to open the hopper wagon bottom door, the removable connector is pulled down, the lock shaft device cannot be in institute
State and apply active force between the first connector and funnel plate；
When needing to keep the hopper wagon bottom door to be closed, described removable connector one end is connected to described
First connector, the other end is connected to the funnel plate so that the lock shaft device the funnel plate and the bearing block it
Between apply rigid active force, lock the relative position of the bearing block and the rotating shaft, prevent the funnel plate with the rotating shaft
For center of rotation rotation.
Preferably, offering first through hole on first connector, the second through hole is offered on the funnel plate, when
When the hopper wagon bottom door is closed, the first through hole is corresponding with the second through hole, and the removable connector is
Pin；
When needing to open the hopper wagon bottom door, the pin is pulled down, the lock shaft device cannot be in the described first connection
Apply active force between part and funnel plate；
When needing to keep the hopper wagon bottom door to be closed, the pin be arranged in simultaneously the first through hole and
In second through hole so that described pin one end is connected to first connector, the other end is connected to the funnel plate so that described
Lock shaft device applies rigid active force between the funnel plate and the bearing block, locks the bearing block and the rotating shaft
Relative position, prevents the funnel plate from rotating by center of rotation of the rotating shaft.
The hopper wagon that the present invention is provided includes the hopper wagon bottom door of the locking shaft device that the present invention is provided.
The hopper wagon bottom door of the locking shaft device that the present invention is provided due to lock shaft device, when needing to open hopper wagon bottom
Men Shi, lock shaft device cannot lock the relative position of bearing block and rotating shaft, and funnel plate can rotate by center of rotation of rotating shaft；When
When needing to keep hopper wagon bottom door to be closed, one end of lock shaft device is connected to bearing block, and the other end is connected to funnel
Plate so that lock shaft device applies rigid active force between funnel plate and bearing block, locks the relative position of bearing block and rotating shaft,
Funnel plate is prevented to rotate by center of rotation of rotating shaft.So as to the hopper wagon bottom door of the locking shaft device that the present invention is provided can be real
The safety locking of existing hopper wagon bottom door；Also, due to the lock shaft device it is not high to centring property and required distance between two bottom doors,
When the centering that gap causes between lock pin and lockhole is produced during life-time service between bottom door and funnel plate because of abrasion
Can be deteriorated and distance is widened, or still can realize between the hopper wagon bottom door during mounting board stone tiny fragments of stone, coal, etc. between bottom door and funnel plate
Safety locking.
Due to the hopper wagon bottom door with the locking shaft device, it also has above-mentioned beneficial effect to the hopper wagon that the present invention is provided
Really.
Description of the drawings
Fig. 1 is the partial structural diagram of the hopper wagon bottom door with funnel plate in prior art；
Fig. 2 is the hopper wagon bottom door of the locking shaft device that the embodiment of the present invention one is provided when lock shaft mechanism is in working position
Partial structural diagram, wherein, the head of the second alignment pin is not shown；
The double thread lock shaft mechanism applied in the hopper wagon bottom door of the locking shaft device that Fig. 3 is provided for the embodiment of the present invention two
Structural representation；
Fig. 4 is the hopper wagon bottom door of the locking shaft device that the embodiment of the present invention two is provided when double thread lock shaft mechanism is in not
Partial structural diagram during stop bit, wherein, the head of the second alignment pin is not shown；
Fig. 5 is the left view of Fig. 4；
Fig. 6 is the hopper wagon bottom door of the locking shaft device that the embodiment of the present invention two is provided when double thread lock shaft mechanism is in work
Make partial structural diagram during position, wherein, the head of the second alignment pin and the 3rd alignment pin is not shown；
Fig. 7 is the left view of Fig. 6；
The double thread lock shaft mechanism applied in the hopper wagon bottom door of the locking shaft device that Fig. 8 is provided for the embodiment of the present invention two
Element and second is arranged first be arranged the structural representation that element surface locks the first alignment pin and the second alignment pin；
The double thread lock shaft mechanism applied in the hopper wagon bottom door of the locking shaft device that Fig. 9 is provided for the embodiment of the present invention two
Matching relationship structural representation with the first alignment pin and the second alignment pin before locking；
The double thread lock shaft machine applied in the hopper wagon bottom door of the locking shaft device that Figure 10 is provided for the embodiment of the present invention two
Structure is arranged element and second and is arranged the structural representation that member outboard locks the first alignment pin and the second alignment pin first；
The double thread lock shaft machine applied in the hopper wagon bottom door of the locking shaft device that Figure 11 is provided for the embodiment of the present invention two
Structure is arranged element and second and is arranged the structural representation that element surface locks the first alignment pin and the 3rd alignment pin first；
The double thread lock shaft machine applied in the hopper wagon bottom door of the locking shaft device that Figure 12 is provided for the embodiment of the present invention two
The matching relationship structural representation of structure and the first alignment pin and the 3rd alignment pin before locking；
The double thread lock shaft machine applied in the hopper wagon bottom door of the locking shaft device that Figure 13 is provided for the embodiment of the present invention two
Structure is arranged element and second and is arranged member outboard locking with the first alignment pin and the structural representation of the 3rd alignment pin first.
Specific embodiment
In order to understand the present invention in depth, below in conjunction with the accompanying drawings and specific embodiment the present invention is described in detail.
The hopper wagon bottom door of the locking shaft device that the present invention is provided includes funnel plate 1, rotating shaft 4, rolling bearing 14 and bearing
Seat 2, rotating shaft 4 is fixedly connected on the vehicle frame of hopper wagon, and bearing block 2 is fixedly installed on funnel plate 1, and rolling bearing 14 is by bearing block
2 carry, and the rotation between bearing block 2 and rotating shaft 4 makes funnel plate 1 rotate by center of rotation of rotating shaft 4, causes hopper wagon bottom door to be opened
Open or close；The present invention provide locking shaft device hopper wagon bottom door also include lock shaft device, when need open hopper wagon
During bottom door, lock shaft device cannot lock the relative position of bearing block 2 and rotating shaft 4, and funnel plate 1 can be with rotating shaft 4 as center of rotation
Rotation；When needing to keep hopper wagon bottom door to be closed, one end of lock shaft device is connected to bearing block 2, and the other end connects
It is connected to funnel plate 1 so that lock shaft device applies rigid active force between funnel plate 1 and bearing block 2, locks bearing block 2 and turn
The relative position of axle 4, prevents funnel plate 1 from rotating by center of rotation of rotating shaft 4.
The hopper wagon bottom door of the locking shaft device that the present invention is provided due to lock shaft device, when needing to open hopper wagon bottom
Men Shi, lock shaft device cannot lock the relative position of bearing block 2 and rotating shaft 4, and funnel plate 1 can revolve by center of rotation of rotating shaft 4
Turn；When needing to keep hopper wagon bottom door to be closed, one end of lock shaft device is connected to bearing block 2, other end connection
In funnel plate 1 so that lock shaft device applies rigid active force between funnel plate and bearing block, bearing block 2 is locked with rotating shaft 4
Relative position, prevents funnel plate 1 from rotating by center of rotation of rotating shaft 4.So as to the hopper wagon of the locking shaft device that the present invention is provided
Bottom door can realize the safety locking of hopper wagon bottom door；Also, due to the lock shaft device to centring property between two bottom doors and away from
From less demanding, when produce because of abrasion during life-time service between bottom door and funnel plate gap cause lock pin and lockhole it
Between centring property be deteriorated and distance is widened, or between bottom door and funnel plate 1 during the mounting board stone tiny fragments of stone, coal, etc., between the hopper wagon bottom door according to
Safety locking can so be realized.
Referring to accompanying drawing 2, lock shaft device includes the first connector 5 and lock shaft mechanism, and the first connector 5 is fixedly connected on bearing
Seat 2, when needing to open hopper wagon bottom door, lock shaft device cannot apply active force between the first connector 5 and funnel plate 1；
When needing to keep hopper wagon bottom door to be closed, one end of lock shaft mechanism is connected to the first connector 5, other end connection
In funnel plate 1 so that lock shaft mechanism applies rigid active force, locking bearing block 2 and rotating shaft 4 between funnel plate 1 and bearing block 2
Relative position, prevent funnel plate 1 with rotating shaft 4 as center of rotation rotate.Due to bearing block 2 complex structure itself, if directly
Locking bearing block 2 and the relative position of rotating shaft 4, implement more difficulty, and if being fixedly connected one first on bearing block 2
Connector 5, the relative position of bearing block 2 and rotating shaft 4 is locked by first connector 5 indirectly, then implement relative appearance
Easily.
Embodiment one
A kind of concrete implementation mode of the hopper wagon bottom door of the locking shaft device provided referring to accompanying drawing 2, the present invention, the band
The hopper wagon bottom door of lock shaft device also includes the first alignment pin, the second alignment pin, and lock shaft mechanism is arranged element 8 and the including first
Two are arranged element 12, and the first alignment pin is fixedly connected on the first connector 5, and the second alignment pin is fixedly connected on funnel plate 1, when need
When keeping hopper wagon bottom door to be closed, first is arranged element 8 is sheathed on the first alignment pin, and second is arranged element 12
It is sheathed on the second alignment pin.Because first alignment pin is arranged on the first connector 5, second alignment pin is arranged on funnel
On plate 1, after securing the lock shaft mechanism between first alignment pin and the second alignment pin, equivalent to having locked bearing indirectly
Seat 2 and the relative position of rotating shaft 4, so as in the presence of external force, the funnel plate 1 cannot rotate by center of rotation of the rotating shaft 4,
So as to ensure that the locking safety of hopper wagon bottom door.
Referring to accompanying drawing 3, used as a kind of concrete implementation mode of the lock shaft mechanism, the lock shaft mechanism also includes the first screw rod
9th, the first screw thread and the second screw thread are provided with the second screw rod 11 and double thread nut 10, double thread nut 10, first is arranged element 8
The first screw rod 9 is fixedly connected on, second is arranged element 12 is fixedly connected on the second screw rod 11, the first screw rod 9 and the first screw thread structure
Into screw thread pair, the second screw rod 11 and the second screw thread constitute screw thread pair, and the second set apertured internal diameter for being arranged element 12 is determined more than second
The diameter of head 17 of position pin.Because the lock shaft mechanism constitutes respectively two screw thread pairs between the first screw rod 9 and the second screw rod 11,
According to the property of screw thread pair, the length of the lock shaft mechanism can be as needed extended or shorten, therefore, even if the funnel plate 1
When centring property between hopper wagon bottom door is not reaching to design standard, it is also possible to by the adjustment to the lock shaft mechanism length
Remain able to preferably ensure the locking safety of hopper wagon bottom door.Wherein, the second set apertured internal diameter for being arranged element 12 is more than
The diameter of the second positioning pin head part 17, is in order that second is arranged element 12 and can successfully be enclosed within second alignment pin；By
The diameter of its head 17 is less than in the diameter of the bar portion 18 of the second alignment pin, therefore, second is arranged the set apertured internal diameter of element 12
The diameter of the second alignment pin bar portion 18 is naturally larger than, now, wants to enable the lock shaft mechanism in first alignment pin and second
Apply rigid active force between alignment pin, it is necessary to by adjusting the screw thread pair and second that the first screw rod 9 and the first screw thread are constituted
The screw thread pair that the screw thread of screw rod 11 and second is constituted so that first is arranged the set apertured of element 8 and the phase of bar portion 16 of the first alignment pin
Cut, meanwhile, second be arranged element 12 set apertured it is tangent with the bar portion 18 of the second alignment pin, now, due to the lock shaft mechanism
Length is fixed, therefore, it can apply rigid active force between first alignment pin and the second alignment pin, so as to lock shaft
Bearing 2 and the relative position of rotating shaft 4.
The lock shaft mechanism of the hopper wagon bottom door of the locking shaft device that this utility model embodiment one is provided can lock bearing
Seat 2 and the relative position of rotating shaft 4, but the lock shaft mechanism can not be self-contained by the bottom door, when needed, is just drawn off
And it is used cooperatively with the bottom door, therefore, the lock shaft mechanism simultaneously is not easy to select at any time.
Embodiment two
Referring to accompanying drawing 4, it is with the difference of the hopper wagon bottom door of the locking shaft device of the offer of the embodiment of the present invention one,
The hopper wagon bottom door of the locking shaft device that the embodiment of the present invention two is provided also includes the 3rd alignment pin, and the 3rd alignment pin is fixedly connected
In the first connector 5, second is arranged head 19 diameter of the set apertured internal diameter more than the 3rd alignment pin of element 12.Wherein, second
Be arranged the diameter of the set apertured internal diameter of element 12 more than the 3rd positioning pin head part 19, be in order that second be arranged element 12 can be suitable
It is enclosed within sharply on the 3rd alignment pin；Because the diameter of the bar portion 20 of the 3rd alignment pin is less than the diameter of its head 19, therefore, the
The three set apertured internal diameters for being arranged element 12 are naturally larger than the diameter of the 3rd alignment pin bar portion 20, now, want to make the lock shaft mechanism
Rigid active force can be applied between first alignment pin and the 3rd alignment pin, it is necessary to by adjusting the first screw rod 9 and the
The screw thread pair that the screw thread pair and the second screw rod 11 and the second screw thread that one screw thread is constituted is constituted so that first is arranged being arranged for element 8
Hole is tangent with the bar portion 16 of the first alignment pin, meanwhile, second is arranged the set apertured of element 12 and the phase of bar portion 20 of the 3rd alignment pin
Cut, now, the length due to the lock shaft mechanism is fixed, therefore, it can be between first alignment pin and the 3rd alignment pin
Apply rigid active force, so as to the lock shaft mechanism can be fixed on the first connector 5, and it cannot lock bearing block 2 and rotating shaft
Relative position between 4.So as to when the lock shaft device is in dormant state, the lock shaft mechanism can be by first connector 5
Carry, in case using at any time.
Referring to accompanying drawing 4～7, under the conditions of the present embodiment, it is necessary to which first is arranged element 8 is set in all the time first positioning
In the bar portion 16 of pin, it is therefore desirable to the internal diameter of the first set apertured for being arranged element 8 is straight less than the head 15 of the first alignment pin
Footpath, in this case, this first is arranged element 8 due to the restriction of the head 15 of first alignment pin, it is impossible to the first alignment pin
Press-off.In addition, in addition it is also necessary to which first set sets the bar portion 16 of the alignment pin of element 8 and first and constitutes and rotates secondary, now, this first is arranged unit
Part 8 can rotate by center of rotation of the first alignment pin bar portion 16, so as to rotate to Fig. 6 from the position of stopping shown in Fig. 4 and Fig. 5
With the working position shown in Fig. 7, or rotate to the position of stopping shown in Fig. 4 and Fig. 5 from the working position shown in Fig. 6 and Fig. 7.
Wherein, the minimum spacing of the first alignment pin to the second alignment pin is arranged element 8 and second and is arranged element more than first
Minimum spacing between 12, the maximum spacing of the first alignment pin to the second alignment pin is arranged element 8 and second and is arranged less than first
Maximum spacing between element 12.Referring to accompanying drawing 8～10, when the lock shaft mechanism in stop when, the lock shaft mechanism can be by
Element 8 and second is arranged according to the mode shown in accompanying drawing 8 from first be arranged most inner side locking first alignment pin and the 3rd of element 12
Alignment pin, or it is arranged element 8 from first and the second outermost for being arranged element 12 locks the first alignment pin and the 3rd alignment pin.
Referring to accompanying drawing 11～13, when the lock shaft mechanism is in working position, the lock shaft mechanism can according to the mode shown in accompanying drawing 11 from
First is arranged element 8 and second is arranged most inner side first alignment pin of locking and the second alignment pin of element 12, or from first set
If element 8 and the second outermost for being arranged element 12 lock the first alignment pin and the second alignment pin.
Embodiment three
The design of the hopper wagon bottom door of the locking shaft device provided with embodiment one and embodiment two is differed, the present invention
The lock shaft mechanism applied in the hopper wagon bottom door of the locking shaft device that embodiment three is provided is a removable connector, for leaking
The connector 5 of strickle 1 and first is removably joined together；When needing to open hopper wagon bottom door, removable connector is pulled down,
Lock shaft device cannot apply active force between the first connector and funnel plate 1；Close when needing holding hopper wagon bottom door to be in
During state, removable connector one end is connected to the first connector 5, and the other end is connected to funnel plate 1 so that lock shaft device is in leakage
Apply rigid active force between strickle 1 and bearing block 2, lock the relative position of bearing block 2 and rotating shaft 4, prevent funnel plate 1 to turn
Axle 4 is center of rotation rotation.Under the conditions of the present embodiment, it is only necessary to which a removable connector is capable of achieving the funnel plate 1 and is somebody's turn to do
Locking or unblock between bearing block 2, it is simple, convenient.
Wherein, in order to coordinate the embodiment of the present invention three provide locking shaft device hopper wagon bottom door technical scheme reality
It is existing, first through hole is offered on the first connector 5, the second through hole is offered on funnel plate 1, when hopper wagon bottom door is in closing shape
During state, first through hole is corresponding with the second through hole, and removable connector is pin；When needing to open hopper wagon bottom door, pin is pulled down,
Lock shaft device cannot apply active force between the first connector 5 and funnel plate 1；Close when needing holding hopper wagon bottom door to be in
During state, pin is arranged in first through hole and the second through hole simultaneously so that pin one end is connected to bearing block 2, and the other end is connected to
Funnel plate 1 so that lock shaft device applies rigid active force between funnel plate 1 and bearing block 2, locks bearing block 2 with rotating shaft 4
Relative position, prevents funnel plate 1 from rotating by center of rotation of rotating shaft.
The hopper wagon that the present invention is provided includes the hopper wagon bottom door of the locking shaft device that the present invention is provided.
, due to the hopper wagon bottom door with the locking shaft device, the bottom door is due to lock shaft for the hopper wagon that the present invention is provided
Device, when needing to open hopper wagon bottom door, lock shaft device cannot lock the relative position of bearing block 2 and rotating shaft 4, funnel plate 1
Can rotate by center of rotation of rotating shaft 4；When needing to keep hopper wagon bottom door to be closed, one end of lock shaft device connects
Bearing block 2 is connected to, the other end is connected to funnel plate 1 so that lock shaft device applies rigidity work between funnel plate 1 and bearing block 2
Firmly, the relative position of bearing block 2 and rotating shaft 4 is locked, prevents funnel plate 1 from rotating by center of rotation of rotating shaft 4.So as to this
The hopper wagon bottom door of the locking shaft device of bright offer can realize the safety locking of hopper wagon bottom door；Also, due to the lock shaft dress
Put not high to centring property and required distance between two bottom doors, when between bottom door and funnel plate during life-time service because abrasion
And producing gap causes centring property variation and distance between lock pin and lockhole to widen, or press from both sides between bottom door and funnel plate 1
During the card stone tiny fragments of stone, coal, etc., safety locking can be still realized between the hopper wagon bottom door.
Need herein illustrate mainly include it is following some
First, it is intended to realize the technique effect of the present invention, as long as the relative position of bearing block 2 and rotating shaft 4 can be locked i.e.
Can, without sticking to embodiments of the invention.
Second, the hopper wagon bottom door of the locking shaft device that the embodiment of the present invention two is provided is only to provide in embodiment one
A kind of improvement on the basis of the hopper wagon bottom door of locking shaft device, and the leakage of the locking axis mechanism that the embodiment of the present invention three is provided
The technology design of the hopper wagon bottom door of the locking shaft device that trolley bottom door is then provided with the embodiment of the present invention one and embodiment two is complete
It is complete different, why embodiment three is provided, be in order to support independent claims in function limitations.In practice, can be with
There is the diverse implementation of more technology designs.
Specific embodiment above, has been carried out further in detail to the purpose of the present invention, technical scheme and beneficial effect
Illustrate, should be understood that the specific embodiment that these are only the present invention, be not limited to the present invention, it is all at this
Within the spirit and principle of invention, any modification, equivalent substitution and improvements done etc. should be included in the protection model of the present invention
Within enclosing.
Claims (7)
1. a kind of hopper wagon bottom door of locking shaft device, including funnel plate, rotating shaft, rolling bearing and bearing block, the rotating shaft is consolidated
Surely the vehicle frame of the hopper wagon is connected to, the bearing block is fixedly installed on the funnel plate, and the rolling bearing is by described
Bearing block is carried, and the rotation between the bearing block and the rotating shaft makes the funnel plate revolve by center of rotation of the rotating shaft
Turn, cause the hopper wagon bottom door to be turned on or off；
Also include lock shaft device,
When needing to open the hopper wagon bottom door, it is relative with the rotating shaft that the lock shaft device cannot lock the bearing block
Position, the funnel plate can rotate by center of rotation of the rotating shaft；
When needing to keep the hopper wagon bottom door to be closed, one end of the lock shaft device is connected to the bearing
Seat, the other end is connected to the funnel plate so that the lock shaft device applies just between the funnel plate and the bearing block
Property active force, the relative position of the bearing block and the rotating shaft is locked, in preventing the funnel plate with the rotating shaft as rotation
The heart rotates；
The lock shaft device includes the first connector and lock shaft mechanism, and first connector is fixedly connected on the bearing block,
When needing to open the hopper wagon bottom door, the lock shaft device cannot be applied between first connector and funnel plate
Plus active force；
When needing to keep the hopper wagon bottom door to be closed, one end of the lock shaft mechanism is connected to described first and connects
Fitting, the other end is connected to the funnel plate so that the lock shaft mechanism applies between the funnel plate and the bearing block
Rigid active force, locks the relative position of the bearing block and the rotating shaft, prevents the funnel plate with the rotating shaft as rotation
Central rotation；
Characterized in that,
The first described lock shaft device also includes the first alignment pin, the second alignment pin, and the lock shaft mechanism is arranged unit including first
Part and second is arranged element, and first alignment pin is fixedly connected on first connector, and second alignment pin is fixed and connected
The funnel plate is connected to, when needing to keep the hopper wagon bottom door to be closed, described first is arranged element housing is located at
On first alignment pin, described second is arranged element housing is located on second alignment pin；
Or,
The lock shaft mechanism of lock shaft device described in second is a removable connector, for by the funnel plate and described
A connection piece is removably joined together；
When needing to open the hopper wagon bottom door, the removable connector is pulled down, the lock shaft device cannot be described
Apply active force between a connection piece and funnel plate；
When needing to keep the hopper wagon bottom door to be closed, described removable connector one end is connected to described first
Connector, the other end is connected to the funnel plate so that the lock shaft device is applied between the funnel plate and the bearing block
Plus rigid active force, the relative position of the bearing block and the rotating shaft is locked, the funnel plate is prevented with the rotating shaft as rotation
Turn central rotation.
2. the hopper wagon bottom door of locking shaft device according to claim 1, it is characterised in that the first described lock shaft device
Lock shaft mechanism also include the first screw rod, the second screw rod and double thread nut, be provided with the double thread nut the first screw thread and
Second screw thread, described first is arranged element is fixedly connected on first screw rod, and described second is arranged element is fixedly connected on institute
The second screw rod is stated, first screw rod constitutes screw thread pair, second screw rod and the second screw thread structure with first screw thread
Into screw thread pair, described second is arranged the head diameter of the set apertured internal diameter more than second alignment pin of element.
3. the hopper wagon bottom door of locking shaft device according to claim 1 and 2, it is characterised in that the first described lock shaft
Device also includes the 3rd alignment pin, and the 3rd alignment pin is fixedly connected on first connector, and described second is arranged element
Set apertured internal diameter more than the 3rd alignment pin head diameter.
4. the hopper wagon bottom door of locking shaft device according to claim 3, it is characterised in that described first is arranged element
Less than the head diameter of first alignment pin, described first is arranged the bar of element and first alignment pin to the internal diameter of set apertured
Portion constitutes and rotates secondary.
5. the hopper wagon bottom door of locking shaft device according to claim 3, it is characterised in that first alignment pin is to institute
The minimum spacing for stating the second alignment pin is arranged element and the second minimum spacing being arranged between element more than described first, and described
One alignment pin is arranged element and second and is arranged between element most to the maximum spacing of second alignment pin less than described first
Big spacing.
6. the hopper wagon bottom door of locking shaft device according to claim 1, it is characterised in that open on first connector
First through hole is provided with, the second through hole is offered on the funnel plate, when the hopper wagon bottom door is closed, described
One through hole and the second through hole are corresponding, and the removable connector is pin；
When needing to open the hopper wagon bottom door, pull down the pin, the lock shaft device cannot in first connector and
Apply active force between funnel plate；
When needing to keep the hopper wagon bottom door to be closed, the pin is arranged in the first through hole and second simultaneously
In through hole so that described pin one end is connected to first connector, the other end is connected to the funnel plate so that the lock shaft
Device applies rigid active force between the funnel plate and the bearing block, locks the bearing block relative with the rotating shaft
Position, prevents the funnel plate from rotating by center of rotation of the rotating shaft.
7. a kind of hopper wagon, it is characterised in that including the hopper wagon bottom of arbitrary described locking shaft device in claim 1～6
Door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410488131.9A CN104260735B (en) | 2014-09-22 | 2014-09-22 | Hopper car bottom door with lock shaft device and hopper car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410488131.9A CN104260735B (en) | 2014-09-22 | 2014-09-22 | Hopper car bottom door with lock shaft device and hopper car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104260735A CN104260735A (en) | 2015-01-07 |
| CN104260735B true CN104260735B (en) | 2017-04-19 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410488131.9A Active CN104260735B (en) | 2014-09-22 | 2014-09-22 | Hopper car bottom door with lock shaft device and hopper car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104260735B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4009664A (en) * | 1975-03-12 | 1977-03-01 | Morrison-Knudsen Company, Inc. | Closure actuating device for railway hopper car doors |
| US4163583A (en) * | 1977-10-25 | 1979-08-07 | Acf Industries, Incorporated | Pneumatic hopper outlet cap latch |
| US4366757A (en) * | 1980-11-20 | 1983-01-04 | Ortner Freight Car Company | Actuating and locking means for the hopper doors of a railroad hopper car |
| CN101708725A (en) * | 2009-11-27 | 2010-05-19 | 太原轨道交通装备有限责任公司 | Incorrect rotation preventing device of transmission mechanism |
| CN202401858U (en) * | 2011-11-21 | 2012-08-29 | 南车长江车辆有限公司 | Bottom door locking device of railroad hopper car |
| CN103448738B (en) * | 2013-09-23 | 2016-01-13 | 南车长江车辆有限公司 | Vehicle bottom door opening and closing mechanism lock shaft device |
| CN103552566B (en) * | 2013-11-15 | 2016-09-14 | 南车长江车辆有限公司 | Hopper wagon bottom door secondary latch closes device and hopper wagon |
| CN204077672U (en) * | 2014-09-22 | 2015-01-07 | 南车长江车辆有限公司 | A kind of hopper wagon bottom door of locking axis device and hopper car |
-
2014
- 2014-09-22 CN CN201410488131.9A patent/CN104260735B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104260735A (en) | 2015-01-07 |
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Address after: 430212 Jiangxia Economic Development Zone, Wuhan, the new bridge area of the city of Hubei Applicant after: CRRC YANGTZE CO., LTD. Address before: 430212 Jiangxia Economic Development Zone, Wuhan, the new bridge area of the city of Hubei Applicant before: China South Locomotive & Rolling Stock Changjiang Vehicle Company |
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