CN110185341A - Locking device and railway freight-car - Google Patents
Locking device and railway freight-car Download PDFInfo
- Publication number
- CN110185341A CN110185341A CN201910555309.XA CN201910555309A CN110185341A CN 110185341 A CN110185341 A CN 110185341A CN 201910555309 A CN201910555309 A CN 201910555309A CN 110185341 A CN110185341 A CN 110185341A
- Authority
- CN
- China
- Prior art keywords
- hammerlocks
- lock pin
- pars contractilis
- locking device
- top cover
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 230000004913 activation Effects 0.000 claims abstract description 39
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B79/00—Mounting or connecting vehicle locks or parts thereof
- E05B79/10—Connections between movable lock parts
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
- E05B81/18—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators to effect movement of a bolt or bolts
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
- E05B83/02—Locks for railway freight-cars, freight containers or the like; Locks for the cargo compartments of commercial lorries, trucks or vans
Landscapes
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The present invention relates to railway transportation technology fields, more particularly to a kind of locking device and railway freight-car.Locking device, comprising: support；Two hammerlocks are rotatably connected to the two sides of support respectively, and two hammerlocks are equipped with two opposite lockholes, and two hammerlocks opposite can open or close up；Drive block is fixed on the pars contractilis of driving mechanism, and drive block can drive two hammerlocks to open under the drive of pars contractilis；Return unit, for providing the elastic restoring force for closing up two hammerlocks to two hammerlocks；And lock pin, it is arranged on pars contractilis, and lock pin can slide pre-determined distance relative to pars contractilis along the telescopic direction of pars contractilis, lock pin with activation lever for connecting, and when pars contractilis retraction, the both ends of lock pin can be inserted into respectively in two lockholes.By the way that hammerlock and lock pin are arranged in driving mechanism, when the lockhole on lock pin insertion hammerlock, hammerlock and lock pin can lock relatively, so that activation lever is locked relative to loading space, guarantee that top cover is reliably closed.
Description
Technical field
The present invention relates to railway transportation technology fields, more particularly to a kind of locking device and railway freight-car.
Background technique
Railway freight-car is mainly by loading space, the bogie device for supporting loading space, the connection for being mounted on loading space longitudinal direction both ends
The composition such as buffer unit, the brake apparatus for being mounted on loading space bottom.As the loading space for loading cargo, bottom enabling knot can be used
Structure realizes quickly unloading.Loading space, which can also be used, opens door, i.e., mobilizable top cover is installed at the top of loading space, and top cover is opened
Can quick despatch cargo, top cover closing can prevent sleet in transit and sand and dust etc. from damaging to cargo and preventing cargo from spilling
It falls, fugitive dust.
The opening and closing of removable top cover at present controls driving mechanism by wind path control system, then is realized by driving mechanism driving.
But when removable top cover closing, need to be arranged between removable top cover and loading space special locking structure to guarantee the reliable of top cover
It closes, prevents top cover from generating vibration in railway freight-car transport.Current railway freight-car by be arranged special locking structure come
Top cover is locked, structure is complicated, and needs manual operation, makes the reduction of shipping efficiency.
Summary of the invention
Based on this, it is necessary to for the problem that current top cover locking structure is complicated, need manual operation, provide a kind of lock
Tight device and railway freight-car.
A kind of locking device, comprising:
Support, for being fixed on the fixed part of driving mechanism；
Two hammerlocks, are rotatably connected to the two sides of support respectively, and two hammerlocks are equipped with two opposite lockholes, and two
A hammerlock opposite can open or close up；
Drive block is fixed on the pars contractilis of driving mechanism, and drive block can drive two locks under the drive of pars contractilis
Arm opens；
Return unit, for providing the elastic restoring force for closing up two hammerlocks to two hammerlocks；And
Lock pin is arranged on pars contractilis, and lock pin can be preset along the telescopic direction of pars contractilis relative to pars contractilis sliding
Distance, lock pin with activation lever for connecting, and when pars contractilis retraction, pars contractilis drives drive block to open two hammerlocks, lock
Pin enters between two hammerlocks, and two hammerlocks close up under the elastic restoring force of return unit so that the both ends of lock pin are inserted respectively
Enter in two lockholes, when pars contractilis stretches out, pars contractilis drives drive block movement, while lock pin is slided relative to pars contractilis, drives
Motion block drives two hammerlocks to open, and the both ends of lock pin are deviate from from two lockholes.
Pars contractilis is equipped with the elongated hole extended along the telescopic direction of pars contractilis in one of the embodiments, and lock pin cunning is set
In elongated hole, elongated hole is for limiting the distance that lock pin is slided relative to pars contractilis.
Two hammerlocks are respectively provided with the first side wall and second side with drive block cooperation in one of the embodiments,
Wall, the first side wall is opposite with second sidewall to form sliding slot, the shape that sliding slot has intermediate narrow both ends wide along the telescopic direction of pars contractilis
Shape, when pars contractilis retraction, drive block from sliding slot it is wide from slide to narrow place so that two hammerlocks open, drive block continues to slide
So that two hammerlocks close up under the elastic restoring force of return unit, the both ends of lock pin are inserted into respectively in two lockholes.
The first side wall and second sidewall are respectively included along the telescopic direction of pars contractilis straight in one of the embodiments,
Section and two tilting sections, flat segments are located between two tilting sections, and the width that sliding slot corresponds to the part of flat segments is less than sliding slot pair
Answer the width of the part of tilting section.
In one of the embodiments, drive block have the first end wall cooperated respectively with the first side wall and second sidewall and
The shape of second end wall, the drive block between the first end wall and the second end wall is narrow in intermediate wide both ends along the telescopic direction of pars contractilis
Shape.
Locking device further includes location structure in one of the embodiments, setting on the support, location structure be used for
Two hammerlock cooperations, to limit relative position when two hammerlocks close up.
Location structure includes two locating pieces in one of the embodiments, and two locating pieces respectively correspond two hammerlocks
On the support, when the both ends of lock pin are inserted into respectively in two lockholes, two hammerlocks are abutted with corresponding locating piece respectively for setting.
Locking device further includes two articulated shafts in one of the embodiments, and each articulated shaft is arranged in support respectively
Axis hole and each hammerlock axis hole in, hammerlock by articulated shaft be rotatablely connected on the support.
Return unit includes torsional spring in one of the embodiments, and torsional spring is set on articulated shaft, two torque arm point of torsional spring
It is not connected on hammerlock and support, when two hammerlocks open, torsional spring rotates deformation, and when two hammerlocks close up, torsional spring restores
To initial mounting state.
A kind of railway freight-car, including loading space and top cover and driving mechanism, top cover can be opened and closed the top that loading space is arranged in
Portion, driving mechanism are arranged on loading space, and driving mechanism is connect by activation lever with top cover, to drive top cover to open or close,
Driving mechanism is connect by locking device described in any of the above-described scheme with activation lever, when top cover is closed, the both ends of lock pin
It is inserted into two lockholes respectively.
Driving mechanism includes cylinder in one of the embodiments, and the cylinder body of cylinder is fixed part, and the piston of cylinder is to stretch
The cylinder body in contracting portion, cylinder is mounted on loading space, and support is fixed on the cylinder body of cylinder, and drive block is fixed on the piston of cylinder,
Lock pin is arranged on the piston of cylinder.
Activation lever is V-shaped in one of the embodiments, is installed in rotation on loading space in the middle part of activation lever,
One end of activation lever is connect with lock pin, and the other end of activation lever is connect with top cover.
Railway freight-car further includes driven lever in one of the embodiments, and one end of driven lever is rotatably mounted
On loading space, the other end is connect with top cover.
The beneficial effect comprise that
By the way that hammerlock and lock pin are arranged in driving mechanism, when the lockhole on lock pin insertion hammerlock, hammerlock and lock pin energy
It is enough relatively locked, so as to lock activation lever relative to loading space, guarantees the reliable closing of top cover, activation lever is avoided to exist
It is opened under other external forces there is a phenomenon where movement causes top cover to be opened by mistake.The locking device can by driving mechanism from driving Lai
Realize that structure is simple, without human intervention, shipping efficiency can be greatly improved to the locking and unlocking of activation lever.
Detailed description of the invention
Fig. 1 is the application schematic diagram for the locking device that one embodiment of the invention provides；
Fig. 2 is the attachment structure schematic diagram of driving mechanism and locking device in structure shown in Fig. 1；
Fig. 3 is that A goes out partial enlarged view in structure shown in Fig. 1；
Fig. 4 is the partial cutaway view schematic of structure shown in Fig. 3；
Fig. 5 is the partial structural diagram for the railroad train that one embodiment of the invention provides；
Fig. 6 is the end view when top cover of structure shown in Fig. 5 is closed.
Description of symbols:
10- locking device；20- loading space；
30- top cover；The first frame of 301-；The second frame of 302-；
100- support；110- articulated shaft；
200- hammerlock；
210- lockhole；
220- the first side wall；230- second sidewall；
300- drive block；
The first end wall of 310-；The second end wall of 320-；
400- return unit；
500- lock pin；
600- driving mechanism；
610- fixed part；
620- pars contractilis；621- elongated hole；
700- activation lever；
800- locating piece；
900- driven lever.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, by the following examples, it and combines attached
Figure, is further elaborated locking device and railway freight-car of the invention.It should be appreciated that specific reality described herein
Example is applied only to explain the present invention, is not intended to limit the present invention.
It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any sequence or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with (connection).In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", " left side ",
The orientation of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside", " clockwise ", " counterclockwise " or position are closed
System is merely for convenience of description of the present invention and simplification of the description to be based on the orientation or positional relationship shown in the drawings, rather than indicates
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitation of the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
Referring to Figure 1 and shown in Fig. 2, the locking device 10 that one embodiment of the invention provides is to be applied to railway freight-car
Between driving mechanism 600 and the top cover of movable opening and closing 30.Driving mechanism 600 is mounted on loading space 20, and driving mechanism 600 has
There are fixed part 610 and pars contractilis 620, pars contractilis 620 can do stretching motion relative to fixed part 610.Locking device 10 is mounted on
Between driving mechanism 600 and activation lever 700 for connecting top cover 30.When pars contractilis 620 bounces back, pass through locking device 10
It can be realized and lock activation lever 700 relative to driving mechanism 600, guarantee the reliable closing of top cover 30.Certainly, in the present invention
Other embodiments in, which can also be applied to other using the door body and its telescoping drive mechanism of flexible driving
Between.
Referring to Fig. 1 and Fig. 2, as a kind of enforceable mode, locking device 10 includes support 100 and two hammerlocks 200,
And drive block 300, return unit 400 and lock pin 500.Support 100 is used to be fixed on the fixed part 610 of driving mechanism 600.Two
A hammerlock 200 is rotatably connected to the two sides of support 100 respectively, and two hammerlocks 200 are equipped with two opposite lockholes 210,
Two hammerlocks 200 opposite can open or close up.Drive block 300 is fixed on the pars contractilis 620 of driving mechanism 600, drive block 300
Two hammerlocks 200 can be driven to open under the drive of pars contractilis 620.Return unit 400 is used to make two to two offers of hammerlock 200
The elastic restoring force that a hammerlock 200 closes up.Lock pin 500 is arranged on pars contractilis 620, and lock pin 500 can be along pars contractilis 620
Telescopic direction slides pre-determined distance relative to pars contractilis 620, and lock pin 500 with activation lever 700 for connecting.When pars contractilis 620
When retraction, pars contractilis 620 drives drive block 300 to open two hammerlocks 200, and lock pin 500 enters between two hammerlocks 200, and two
A hammerlock 200 closes up under the elastic restoring force of return unit 400 so that two lockholes are inserted at the both ends of lock pin 500 respectively
In 210, when pars contractilis 620 stretches out, pars contractilis 620 drives drive block 300 to move, while lock pin 500 is relative to pars contractilis 620
Sliding, drive block 300 drive two hammerlocks 200 to open, and the both ends of lock pin 500 are deviate from from two lockholes 210.
By the way that hammerlock 200 and lock pin 500 are arranged in driving mechanism 600, when lock pin 500 is inserted into the lockhole on hammerlock 200
When 210, hammerlock 200 and lock pin 500 can lock relatively, so as to lock activation lever 700 relative to loading space 20, guarantee
The reliable closing of top cover 30 avoids activation lever 700 from movement occurring under other external forces top cover 30 is caused to be opened by mistake to open
Phenomenon.When opening top cover 30, pars contractilis 620 stretches out, since lock pin 500 can slide certain distance relative to pars contractilis 620,
Therefore lock pin 500 relative to two hammerlocks 200 is no motion of along the telescopic direction of pars contractilis 620 whithin a period of time, and is driven
Motion block 300 can drive two hammerlocks 200 to open under the drive of pars contractilis 620, therefore the both ends of lock pin 500 can be successfully
Deviate from from two lockholes 210, pars contractilis 620 is able to drive lock pin 500 and moves together later, and then drives activation lever 700
Open top cover 30.
Referring to fig. 2 to shown in Fig. 4, in one embodiment, pars contractilis 620 prolongs equipped with the telescopic direction along pars contractilis 620
The elongated hole 621 stretched, lock pin 500 are slidably installed in elongated hole 621, and elongated hole 621 is for limiting lock pin 500 relative to pars contractilis
The distance of 620 slidings.It is movably disposed on pars contractilis 620 by lock pin 500, such as lock pin 500 can be in elongated hole 621
It is interior to slide a distance relative to pars contractilis 620, consequently facilitating drive block 300 drives two hammerlocks 200 to open, guarantee lock pin
500 successfully deviate from from two lockholes 210, and pars contractilis 620 is avoided to drive drive block 300 and lock pin 500 simultaneously relative to two
The stuck phenomenon of two hammerlocks 200 caused by a hammerlock 200 moves.
Drive block 300 drive two hammerlocks 200 open mode can there are many.It referring to figs. 2 and 3, can as one kind
The mode of implementation, two hammerlocks 200 are respectively provided with the first side wall 220 cooperated with drive block 300 and second sidewall 230,
The first side wall 220 and the opposite formation sliding slot of second sidewall 230, sliding slot have intermediate narrow both ends along the telescopic direction of pars contractilis 620
Wide shape.When pars contractilis 620 bounces back, drive block 300 from sliding slot it is wide from slide to narrow place so that two hammerlocks 200 open,
Drive block 300 continues sliding so that two hammerlocks 200 close up under the elastic restoring force of return unit 400, and the two of lock pin 500
End is inserted into two lockholes 210 respectively.Pass through the cooperation of the sliding slot and drive block 300 that are formed between two hammerlocks 200, structure letter
It is single, it is easy to accomplish the movement of drive block 300 is so that two hammerlocks 200 open, to complete the locking and unlocking of lock pin 500.
Illustratively, as shown in figure 3, the first side wall 220 and second sidewall 230 are along the telescopic direction of pars contractilis 620 point
Not Bao Kuo flat segments and two tilting sections, flat segments are located between two tilting sections, and sliding slot corresponds to the width of the part of flat segments
Less than the width of the part of sliding slot corresponding tilt section.In the present embodiment, the first side wall 220 and second sidewall 230 are by angle
Three planes being arranged are formed by connecting, the wide sliding slot in narrow both ends among the first side wall 220 and the opposite formation of second sidewall 230.?
In other embodiments, the first side wall 220 is also possible to the convex face protruded towards second sidewall 230, and second sidewall 230 can be
The convex face protruded towards the first side wall 220.
In one embodiment, drive block 300 has first cooperated respectively with the first side wall 220 and second sidewall 230
End wall 310 and the second end wall 320, the shape of the drive block 300 between the first end wall 310 and the second end wall 320 is along pars contractilis 620
The telescopic direction shape narrow in intermediate wide both ends.Illustratively, as shown in figure 3, the first end wall 310 and the second end wall 320
Two parallel inclined surface corresponding with aforementioned tilting section can be respectively included along the direction side of pars contractilis 620, and be put down with aforementioned
The corresponding flat face of straight section.Flat face is located between two inclined surface, and the width of the part of the corresponding flat face of drive block 300 is greater than
The width of the part of corresponding two inclined surface of drive block 300, to form the telescopic direction along pars contractilis 620 in intermediate wide both ends
The drive block 300 of narrow shape.In other embodiments, the first end wall 310 is also possible to towards the side far from the second end wall 320
The convex face of protrusion, the second end wall 320 can be the convex face protruded towards the side far from the first end wall 310.
The structure type that two hammerlocks 200 are rotatably connected respectively on support 100 can be a variety of.Referring to fig. 2, as
A kind of enforceable mode, locking device 10 further include two articulated shafts 110, and each articulated shaft 110 is arranged in support 100 respectively
Axis hole and each hammerlock 200 axis hole in, hammerlock 200 is rotatably connected on support 100 by articulated shaft 110.Pass through difference
The axis hole of support 100 and hammerlock 200 is set and is arranged in the articulated shaft 110 of axis hole, reliably realize hammerlock 200 relative to
The rotation connection of support 100.In other embodiments, the rotation connection of hammerlock 200 and support 100 can be realized by hinge.
Referring to fig. 2, in one embodiment, return unit 400 includes torsional spring, and torsional spring is set on articulated shaft 110, torsional spring
Two torque arm are connected to respectively on hammerlock 200 and support 100.When two hammerlocks 200 open, torsional spring rotates deformation, and two
When hammerlock 200 closes up, torsional spring is restored to initial mounting state.In other embodiments, return unit 400 is also possible to helical spring
Or stretch cord.The both ends of helical spring or stretch cord are connected on two hammerlocks 200.When two hammerlocks 200 open,
Stretcher strain occurs for helical spring or stretch cord, and when two hammerlocks 200 close up, helical spring or stretch cord are restored to initially
Installation condition.Alternatively, perhaps stretch cord can also be connected to a lock for two each helical springs or stretch cord to helical spring
Between arm 200 and support 100.
As a kind of enforceable mode, locking device 10 further includes the location structure being arranged on support 100.Positioning knot
Structure is used to cooperate with two hammerlocks 200, to limit relative position when two hammerlocks 200 close up.Illustratively, such as Fig. 2 and Fig. 3
Shown, location structure includes two locating pieces 800, and two locating pieces 800 respectively correspond two hammerlocks 200 and are arranged in support 100
On.When the both ends of lock pin 500 are inserted into respectively in two lockholes 210, two hammerlocks 200 are supported with corresponding locating piece 800 respectively
It connects.It is abutted respectively with corresponding locating piece 800 by two hammerlocks 200, so that two hammerlocks 200 are located in current opposite position
It sets, the relative position of two hammerlocks 200 is also the minimum position that two hammerlocks 200 can close up at this time.As shown in figure 3, two
The minimum position that hammerlock 200 can close up is that the main body of two hammerlocks 200 is parallel to each other.The closed position can be to a certain degree
The upper driving force for reducing two hammerlocks 200 of driving and opening, avoids driving mechanism 600 from consuming a large amount of power to unlock lock pin 500.
Referring to figs. 5 and 6, one embodiment of the invention additionally provides a kind of railway freight-car, including loading space 20 and top cover 30, with
And driving mechanism 600.Top cover 30 can be opened and closed the top that loading space 20 is arranged in, and driving mechanism 600 is arranged on loading space 20, driving
Mechanism 600 is connect by activation lever 700 with top cover 30, to drive top cover 30 to open or close.Driving mechanism 600 passes through above-mentioned
Locking device 10 described in either a program is connect with activation lever 700, and when top cover 30 is closed, the both ends of lock pin 500 are inserted respectively
Enter in two lockholes 210.
As shown in connection with fig. 2, in one embodiment, driving mechanism 600 includes cylinder, and the cylinder body of cylinder is fixed part 610,
The piston of cylinder is pars contractilis 620.The cylinder body of cylinder is mounted on loading space 20, and support 100 is fixed on the cylinder body of cylinder, driving
Block 300 is fixed on the piston of cylinder, and lock pin 500 is arranged on the piston of cylinder.In other embodiments, driving mechanism 600
It is also possible to the flexible driving structure such as hydraulic cylinder or electric pushrod.
Referring to Fig. 6, in one embodiment, activation lever 700 is V-shaped, and the middle part of activation lever 700 is rotatably mounted
On loading space 20, one end of activation lever 700 is connect with lock pin 500, and the other end of activation lever 700 is connect with top cover 30.Show
Example property, activation lever 700 is corresponded in the end sidewalls of loading space 20 equipped with lever dolly, the middle part of activation lever 700 passes through
Pin shaft is rotatably connected on lever dolly.On top cover 30 be equipped with lever support 100, activation lever 700 far from lock pin 500 one
End is rotatably connected on lever support 100.Activation lever 700 is driven to rotate around the pin shaft of lever dolly by cylinder movement, into
And make activation lever 700 that top cover 30 be driven to move relative to loading space 20, realize that top cover 30 opens or closes.
Further, railway freight-car further includes driven lever 900, and one end of driven lever 900 is installed in rotation on goods
On compartment 20, the other end is connect with top cover 30.Illustratively, one end of driven lever 900, which can be, is rotatably connected on thick stick above-mentioned
On bar bracket, the other end of driven lever 900 is rotatably connected on the lever support 100 on top cover 30.By the way that driven thick stick is arranged
Bar 900, driven lever 900 can be moved with the movement of top cover 30, while guaranteeing that top cover 30 opens and closes, be improved
The stationarity that top cover 30 moves.
It is worth noting that the top cover 30 of the embodiment of the present invention can be opposite opened structure.As shown in fig. 6, illustratively,
Top cover 30 includes the first frame 301 and the second frame 302 being arranged symmetrically at the open top of loading space 20.Driving mechanism 600
It can be two, activation lever 700 is also two.Each driving mechanism 600 is filled by locking described in any of the above-described scheme
It sets 10 to connect with corresponding activation lever 700, be turned on or off with respectively driving the first frame 301 and the second frame 302.When
When first frame 301 or the second frame 302 are closed, the both ends of the lock pin 500 in corresponding locking device 10 are inserted into two respectively
In lockhole 210, to ensure that the reliable closing of the first frame 301 or the second frame 302.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (13)
1. a kind of locking device characterized by comprising
Support, for being fixed on the fixed part of driving mechanism；
Two hammerlocks, are rotatably connected to the two sides of support respectively, and described two hammerlocks are equipped with two opposite lockholes, institute
Stating two hammerlocks opposite can open or close up；
Drive block is fixed on the pars contractilis of the driving mechanism, and the drive block can drive under the drive of the pars contractilis
Described two hammerlocks are moved to open；
Return unit, for providing the elastic restoring force for closing up described two hammerlocks to described two hammerlocks；And
Lock pin is arranged on the pars contractilis, and the lock pin can be stretched along the telescopic direction of the pars contractilis relative to described
Pre-determined distance is slided in contracting portion, and the lock pin with activation lever for connecting, and when pars contractilis retraction, the pars contractilis is driven
The drive block opens described two hammerlocks, and the lock pin enters between described two hammerlocks, and described two hammerlocks are described
Close up under the elastic restoring force of return unit so that the both ends of the lock pin are inserted into respectively in described two lockholes, is stretched when described
When contracting portion is stretched out, the pars contractilis drives the drive block movement, while the lock pin is slided relative to the pars contractilis, described
Drive block drives described two hammerlocks to open, and the both ends of the lock pin are deviate from from described two lockholes.
2. locking device according to claim 1, which is characterized in that the pars contractilis is equipped with along the flexible of the pars contractilis
The elongated hole that direction extends, the lock pin is slidably installed in the elongated hole, the elongated hole for limit the lock pin relative to
The distance of the pars contractilis sliding.
3. locking device according to claim 1, which is characterized in that described two hammerlocks are respectively provided with and the drive
The first side wall and second sidewall of motion block cooperation, the first side wall is opposite with the second sidewall to form sliding slot, the sliding slot
The shape for having intermediate narrow both ends wide along the telescopic direction of the pars contractilis, when pars contractilis retraction, the drive block from
The wide place of the sliding slot slides to narrow place, so that described two hammerlocks open, the drive block continues sliding so that described two locks
Arm closes up under the elastic restoring force of the return unit, and the both ends of the lock pin are inserted into respectively in described two lockholes.
4. locking device according to claim 3, which is characterized in that the first side wall and the second sidewall are along institute
The telescopic direction for stating pars contractilis respectively includes flat segments and two tilting sections, the flat segments be located at two tilting sections it
Between, the width that the sliding slot corresponds to the part of the flat segments is less than the width that the sliding slot corresponds to the part of the tilting section.
5. locking device according to claim 3, which is characterized in that the drive block have respectively with the first side wall
The first end wall and the second end wall cooperated with the second sidewall, the drive between first end wall and second end wall
The shape of the motion block shape narrow in intermediate wide both ends along the telescopic direction of the pars contractilis.
6. locking device according to claim 1, which is characterized in that further include location structure, is arranged on the support,
The location structure is used to cooperate with described two hammerlocks, to limit relative position when described two hammerlocks close up.
7. locking device according to claim 6, which is characterized in that the location structure includes two locating pieces, described
Two locating pieces respectively correspond described two hammerlocks and are arranged on the support, when two institutes are inserted at the both ends of the lock pin respectively
When stating in lockhole, two hammerlocks are abutted with the corresponding locating piece respectively.
8. locking device according to claim 1, which is characterized in that further include two articulated shafts, each articulated shaft
It is arranged in the axis hole of the support and the axis hole of each hammerlock respectively, the hammerlock is rotatablely connected by the articulated shaft
On the support.
9. locking device according to claim 8, which is characterized in that the return unit includes torsional spring, and the torsional spring is arranged
On the articulated shaft, two torque arm of the torsional spring are connected to respectively on the hammerlock and the support, described two hammerlocks
When opening, the torsional spring rotates deformation, and when described two hammerlocks close up, the torsional spring is restored to initial mounting state.
10. a kind of railway freight-car, including loading space and top cover and driving mechanism, the top cover can be opened and closed to be arranged in the goods
The top in compartment, the driving mechanism are arranged on the loading space, and the driving mechanism is connected with the top cover by activation lever,
To drive the top cover to open or close,
It is characterized in that, the driving mechanism passes through the described in any item locking devices of claim 1-9 and the activation lever
Connection, when the top cover is closed, the both ends of the lock pin are inserted into respectively in described two lockholes.
11. railway freight-car according to claim 10, which is characterized in that the driving mechanism includes cylinder, the cylinder
Cylinder body be the fixed part, the piston of the cylinder is the pars contractilis, and the cylinder body of the cylinder is mounted on the loading space,
The support is fixed on the cylinder body of the cylinder, and the drive block is fixed on the piston of the cylinder, the lock pin setting
On the piston of the cylinder.
12. railway freight-car according to claim 10, which is characterized in that the activation lever is V-shaped, the activation lever
Middle part be installed in rotation on the loading space, one end of the activation lever is connect with the lock pin, the activation lever
The other end be connected with the top cover.
13. railway freight-car according to claim 12, which is characterized in that it further include driven lever, the driven lever
One end is installed in rotation on the loading space, and the other end is connected with the top cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910555309.XA CN110185341A (en) | 2019-06-25 | 2019-06-25 | Locking device and railway freight-car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910555309.XA CN110185341A (en) | 2019-06-25 | 2019-06-25 | Locking device and railway freight-car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110185341A true CN110185341A (en) | 2019-08-30 |
Family
ID=67723265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910555309.XA Pending CN110185341A (en) | 2019-06-25 | 2019-06-25 | Locking device and railway freight-car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110185341A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111606239A (en) * | 2020-06-28 | 2020-09-01 | 河南卫华特种车辆有限公司 | Heavy type lifting machine with guiding and locking functions |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3054493A (en) * | 1958-12-30 | 1962-09-18 | Nat Vendors Inc | Check-controlled apparatus |
| CN104149676A (en) * | 2013-05-14 | 2014-11-19 | 北汽福田汽车股份有限公司 | Automatic locking mechanism of hydraulic cargo compartment and dumper |
| CN206826476U (en) * | 2017-05-17 | 2018-01-02 | 湖南金松汽车有限公司 | Capacity of the tipping body back door locking device and dumper |
| CN206841268U (en) * | 2017-06-08 | 2018-01-05 | 厦门宇龙机械有限公司 | The locking device and semitrailer of a kind of semitrailer |
| CN109318920A (en) * | 2018-11-19 | 2019-02-12 | 中车齐齐哈尔车辆有限公司 | A kind of railway freight-car removable top cover and railway freight-car |
| CN210563908U (en) * | 2019-06-25 | 2020-05-19 | 神华铁路货车运输有限责任公司 | Locking device and railway wagon |
-
2019
- 2019-06-25 CN CN201910555309.XA patent/CN110185341A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3054493A (en) * | 1958-12-30 | 1962-09-18 | Nat Vendors Inc | Check-controlled apparatus |
| CN104149676A (en) * | 2013-05-14 | 2014-11-19 | 北汽福田汽车股份有限公司 | Automatic locking mechanism of hydraulic cargo compartment and dumper |
| CN206826476U (en) * | 2017-05-17 | 2018-01-02 | 湖南金松汽车有限公司 | Capacity of the tipping body back door locking device and dumper |
| CN206841268U (en) * | 2017-06-08 | 2018-01-05 | 厦门宇龙机械有限公司 | The locking device and semitrailer of a kind of semitrailer |
| CN109318920A (en) * | 2018-11-19 | 2019-02-12 | 中车齐齐哈尔车辆有限公司 | A kind of railway freight-car removable top cover and railway freight-car |
| CN210563908U (en) * | 2019-06-25 | 2020-05-19 | 神华铁路货车运输有限责任公司 | Locking device and railway wagon |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111606239A (en) * | 2020-06-28 | 2020-09-01 | 河南卫华特种车辆有限公司 | Heavy type lifting machine with guiding and locking functions |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102015372B (en) | Display device | |
| US7699363B2 (en) | Sliding door for a motor vehicle | |
| CN104369644B (en) | Screening arrangement for the glass surface area of motor vehicles | |
| KR19980086486A (en) | Power operator sliding the plug door | |
| US10994752B2 (en) | Lock mechanism for improved door panel seal | |
| CN110185341A (en) | Locking device and railway freight-car | |
| WO2002034559A1 (en) | Wing opening and closing device for truck | |
| US20200130484A1 (en) | Arrangement with a cover for a vehicle roof | |
| CN104875756A (en) | Linked bottom door opening and closing mechanism and hopper car | |
| US11697962B2 (en) | Opening and closing mechanism and train having the same | |
| CN111038535B (en) | Locking device and hopper car | |
| CN115092193A (en) | Top cover opening and closing device and railway wagon | |
| JP6748605B2 (en) | Door car and joinery | |
| CN109160140A (en) | Valve system and refuse compaction equipment | |
| CN210563908U (en) | Locking device and railway wagon | |
| KR102466977B1 (en) | Door opening and closing device of specially equipped vehicle door with buffer function | |
| CN106593154B (en) | Window and its wind brace | |
| CN210174863U (en) | Top cover driving device and railway wagon | |
| KR200417347Y1 (en) | Gullwingdoor equipment | |
| CN217575184U (en) | Locking mechanism and opening and closing mechanism | |
| CN210554833U (en) | Movable top cover and railway open wagon | |
| JP4583205B2 (en) | Handle device for locking device | |
| CN106545279A (en) | It is opened flat outward lateral sliding tilt window | |
| US5064230A (en) | Locking mechanism | |
| US2897887A (en) | Manually operated folding panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 419, block C, Shenhua building, 16 ande Road, Dongcheng District, Beijing, 100010 Applicant after: Shenhua Railway Equipment Co.,Ltd. Applicant after: CRRC Yangtze Co.,Ltd. Address before: 100010 Shenhua Building, 16 Ander Road, Dongcheng District, Beijing, 17 Floors, Block C Applicant before: SHENHUA RAIL AND FREIGHT WAGONS TRANSPORT Co.,Ltd. Applicant before: CRRC Yangtze Co.,Ltd. |
|
| CB02 | Change of applicant information |