CN207360319U - A kind of goods train carriage and its head cover switching mechanism - Google Patents
A kind of goods train carriage and its head cover switching mechanism Download PDFInfo
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- CN207360319U CN207360319U CN201721302981.0U CN201721302981U CN207360319U CN 207360319 U CN207360319 U CN 207360319U CN 201721302981 U CN201721302981 U CN 201721302981U CN 207360319 U CN207360319 U CN 207360319U
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- head cover
- quadric chain
- side wall
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Abstract
This application discloses a kind of head cover switching mechanism, for installed in the compartment of railway freight-car, including：Head cover；It is arranged in the front end side wall and/or rear end side wall in the compartment, and the quadric chain being connected with the head cover, the quadric chain is by driving the head cover movement to realize the opening and closing of compartment opening；It is located at the quadric chain on same side wall, for driving the driving device of the quadric chain.Above-mentioned head cover switching mechanism, the movement of head cover is driven by using quadric chain, improve the ability of heavy burden head cover, so that the powered stability of head cover is significantly improved, and quadric chain and driving device have been arranged in the front end side wall and/or rear end side wall in compartment, avoid its installation in compartment left and right side walls so that it is more suitable for the railroad car lateral wall of railway freight-car to the small installation environment in railway clearance space.The utility model additionally provides a kind of goods train carriage with above-mentioned head cover switching mechanism.
Description
Technical field
Railway freight-car technical field is the utility model is related to, more particularly to a kind of head cover switching mechanism, the utility model is also
It is related to a kind of goods train carriage with above-mentioned head cover switching mechanism.
Background technology
At present, the existing lorry for transporting loose goods on railway, such as transporting coal lorry, is usually all to use open-top car or coal
Charcoal hopper wagon, the car body top loading hatch of these vehicles does not all cover generally, there are cargo by after wind in transportational process
The problem of surrounding enviroment cause environmental pollution and cargo to be lost in is drifted, a kind of solution method is sprinkling dust suppressant, but is existed
It is of high cost, cannot reuse and continuation difference band come long-distance transport need situation about repeatedly spraying；Another solution party
Method is by the way of integrally being covered using top, such as is covered loading hatch using head cover, and dirt is caused so as to solve to be blown out
The problem of dye and loss of goods, but since head cover weight is larger, so need to drive its opening and closing using driving mechanism, it is existing
A variety of driving mechanisms in, be mostly single pole driving mechanism, i.e., each head cover is driven by a transmission parts, causes to drive
Dynamic stability, heavy burden ability are poor, in addition also have some driving mechanisms, its building block needs to stretch out in installation and work
To the left and right sides in compartment, it is unsuitable for the railroad car lateral wall of railway freight-car to the small installation environment in railway clearance space.
Utility model content
In view of this, the utility model provides a kind of head cover switching mechanism, it can further improve the drive to head cover
Dynamic stability, and the railroad car lateral wall of railway freight-car also can be preferably adapted to the small installation environment in railway clearance space.This
Utility model additionally provides a kind of goods train carriage with above-mentioned head cover switching mechanism.
In order to achieve the above object, the utility model provides following technical solution：
A kind of head cover switching mechanism, for installed in the compartment of railway freight-car, including：
Head cover；
It is arranged in the front end side wall and/or rear end side wall in the compartment, and the quadric chain being connected with the head cover,
The quadric chain is by driving the head cover movement to realize the opening and closing of compartment opening；
It is located at the quadric chain on same side wall, for driving the driving device of the quadric chain.
Preferably, in above-mentioned head cover switching mechanism, the quadric chain includes：Both ends respectively with the head cover and described
The first connecting rod of compartment connection, and the second connecting rod that both ends are connected with the head cover and the compartment respectively.
Preferably, in above-mentioned head cover switching mechanism, the head cover includes the first head cover and the second head cover, first head cover
With second head cover by moving towards, the closing of the compartment opening can be realized, by that can realize institute backwards to movement
The unlatching of compartment opening is stated, and is provided with the front end side wall and/or the rear end side wall for driving first top
First quadric chain of lid, and for driving the second quadric chain of second head cover.
Preferably, in above-mentioned head cover switching mechanism, the knot of first quadric chain and second quadric chain
Structure is identical, and on the center line symmetrical setting on the box width direction.
Preferably, in above-mentioned head cover switching mechanism, the driving device is drives first quadric chain and described
The driving mechanism that second quadric chain is rotated in opposite direction with same rotational speed.
Preferably, in above-mentioned head cover switching mechanism, the driving mechanism includes：
The first sprocket wheel being arranged on the front end side wall and/or the rear end side wall rotated, first double leval jib
One end of the first connecting rod of mechanism is fixedly connected with first sprocket wheel, so that the first connecting rod can be in first sprocket wheel
Drive under rotated；
What is rotated is arranged on the compartment, and is located at first sprocket wheel on same side wall, and passes through chain and institute
State the second sprocket wheel of the first chain gear transmission；
The first gear for being connected and rotating synchronously with second sprocket coaxiality；
The second gear engaged with the first gear, one end of the first connecting rod of second quadric chain with it is described
Second gear is fixedly connected so that the first connecting rod of second quadric chain can under the drive of the second gear into
Row rotates；
The cylinder that piston rod is fixedly connected with the chain.
Preferably, in above-mentioned head cover switching mechanism, the first connecting rod of first quadric chain, with described second
The first connecting rod of quadric chain is arranged close to, and first quadric chain and second quadric chain
The length of the second connecting rod, less than the length of the first connecting rod.
Preferably, in above-mentioned head cover switching mechanism, further include：
It is arranged on first head cover and second head cover, is respectively used to the hingedly first connecting rod and described second
Multiple lid mounting bases of connecting rod；
It is arranged on the front end side wall and/or the rear end side wall, the carriage body for the hingedly second connecting rod is installed
Seat, and be provided with the carriage body mounting base and the first connecting rod is stopped, excessively turn to avoid the first connecting rod
Dynamic limited block.
Preferably, in above-mentioned head cover switching mechanism, first head cover and second head cover for respectively with the compartment
Left side wall and the fillet head cover that is coordinated by round-corner transition of right side wall, and first head cover and second head cover are mutual
Leg is both provided with close end, the support base for supporting the leg is provided with the top of the compartment.
A kind of goods train carriage, including car body and the head cover switching mechanism being arranged on the car body, institute
Head cover switching mechanism is stated as the head cover switching mechanism in above-mentioned any one.
Head cover switching mechanism provided by the utility model, it passes through with being in place of the main distinction of existing driving mechanism
The movement of head cover is driven using quadric chain, improves the ability of heavy burden head cover so that the powered stability of head cover obtains
To being obviously improved, and quadric chain and driving device have been arranged at (this in the front end side wall and/or rear end side wall in compartment
Front end side wall and rear end side wall are referred respectively on the direct of travel in compartment, the two side walls positioned at compartment front-end and back-end),
Avoiding it, (this left and right side walls is referred respectively on the direct of travel in compartment, positioned at compartment or so in compartment left and right side walls
The two side walls of both sides) on installation so that it is more suitable for the railroad car lateral wall of railway freight-car to the small installation in railway clearance space
Environment.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is the embodiment of the utility model, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the structural representation that the head cover switching mechanism that the utility model embodiment provides is under head cover closure state
Figure；
Fig. 2 is the structure diagram that head cover switching mechanism is under head cover opening；
Fig. 3 is the structure diagram that driving mechanism coordinates with first connecting rod；
Fig. 4 is the structural representation that the first sprocket wheel, chain, the second sprocket wheel, transmission shaft, first gear and second gear coordinate
Figure；
Fig. 5 is the schematic diagram of each component rotation direction when the first head cover and the second head cover are opened；
Fig. 6 is the structure diagram of the first head cover；
Fig. 7 is the scheme of installation of second connecting rod；
Fig. 8 is the structure diagram of support base；
Fig. 9 is structure diagram of the goods train carriage when head cover is in closure state；
Figure 10 is structure diagram of the goods train carriage when head cover is in open mode.
In Fig. 1-Figure 10：
1- first connecting rods, 2- second connecting rods, the first head covers of 3-, the second head covers of 4-, the first quadric chains of 5-, 6- the two or four
Linkage, the first sprocket wheels of 7-, 8- chains, the second sprocket wheels of 9-, 10- first gears, 11- second gears, 12- transmission shafts, 13- gas
Cylinder, 14- lid mounting bases, 15- carriage body mounting bases, 16- limited blocks, 17- legs, 18- support bases, 19- car bodies.
Embodiment
The utility model provides a kind of head cover switching mechanism, it can further improve the driving stability to head cover,
And the railroad car lateral wall of railway freight-car also can be preferably adapted to the small installation environment in railway clearance space.
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
As shown in Fig. 1-Figure 10, the head cover switching mechanism of the utility model embodiment offer, for installed in railway freight-car
Compartment on, including：Head cover, the setting quantity of the head cover can be one, or multiple；It is arranged on the front in compartment
On wall and/or rear end side wall, and the quadric chain being connected with head cover, shown in dotted line as in Figure 1 and Figure 2, double leval jib machine
Structure is by driving head cover movement to realize the opening and closing of compartment opening, and double leval jib is when setting, before being provided only on compartment
On side wall (side wall for being located at front end on compartment direct of travel), the rear end side wall in compartment can also be provided only on (in compartment
It is located at the side wall of rear end on direct of travel) on, or more preferably double leval jib is both provided with front end side wall and rear end side wall
Mechanism；It is located at quadric chain on same side wall, for driving the driving device of quadric chain, the setting of the driving device
Mode can also have a variety of, will be explained in subsequent content.
The head cover switching mechanism of said structure, drives quadric chain to drive head cover to be moved by driving device, into
And make head cover the opening in compartment can be blocked or opened, and the mechanism that middle single pole drives compared with the prior art, double leval jib
The bearing capacity and kinetic stability of mechanism are higher so that the working effect of head cover switching mechanism provided in this embodiment is more
It is good, and quadric chain and driving device be arranged at front end side wall or rear end side wall again or both on be respectively provided with, from
And avoid it and take the space of compartment arranged on left and right sides so that head cover switching mechanism provided in this embodiment can be fitted preferably
Installation environment for goods train carriage.
For further optimisation technique scheme, in head cover switching mechanism provided in this embodiment, quadric chain includes：Two
The first connecting rod 1 being connected respectively with head cover and compartment, and the second connecting rod 2 that both ends are connected with head cover and compartment respectively are held, and
Two other connecting rod of quadric chain is respectively then head cover and railroad car lateral wall, as shown in dotted line in Fig. 1 and Fig. 2.Why
It is that structural reliability is high, and the size of head cover because its action is simple it is preferred that realizing the opening and closing of head cover using quadric chain
It can be adjusted with opening and closing degree, the size of connecting rod and arrangement according to actual needs, component that is adaptable, and using
It is few, easy maintenance, and the opening and closing needs of big width head cover can also be adapted to.
In a kind of preferred arrangement, as shown in Fig. 1-Fig. 5 and Fig. 9 and Figure 10, head cover can be made to include the first top
3 and second head cover 4 of lid, this 3 and second head cover 4 of the first head cover are preferably structure just as and being symmetrical arranged, when 3 He of the first head cover
Second head cover 4 move towards and during split, can realize the closure of compartment opening, and this both backwards to it is mobile when then can
Realize the unlatching of compartment opening, and the one or four for driving the first head cover 3 is provided with front end side wall and/or rear end side wall
Linkage 5, and for driving the second quadric chain 6 of the second head cover 4, that is, more set quadric chains are set, make its point
Different head covers is not driven to be moved.Head cover is arranged to two, is realized by the cooperation of two head covers and whole compartment is opened
The closure of mouth, and corresponding setting covers quadric chain more, can further improve the mobile flexibility of head cover so that four
Linkage can more efficiently realize the driving to head cover.When head cover includes the first head cover 3 and the second head cover 4, order is every
The width of a head cover is the half of compartment opening width, and not less than the length of compartment opening, (this length refers to compartment row to length
Into the size on direction, and width is then car vertical in the size on direct of travel), as shown in Figure 9 and Figure 10, so that
First head cover 3 and the second head cover 4 can cover the opening in compartment completely after split, but the first head cover 3 and the second head cover 4
Length it is also unsuitable long so that the front and rear ends in compartment has sufficient space to install the first quadric chain 5, the second double leval jib
Mechanism 6 and driving device, while ensure these components not extend out in left and right direction outside compartment profile and invade railway limit
Boundary.
On the basis that the first head cover 3 and the second head cover 4 are set, preferably the first quadric chain 5 and the second double leval jib
The structure of mechanism 6 is identical, and on the center line symmetrical setting on box width direction, as shown in Figure 1.Select two structure phases
Same quadric chain, and it is symmetrical arranged, 4 producing balanced forces of the first head cover 3 and the second head cover can be made, while also make first
The symmetrical movement of 3 and second head cover 4 of head cover is possibly realized.
Driving device in the present embodiment can also have multiple choices when setting, and the one or four company can be driven by being preferably
The driving mechanism that 5 and second quadric chain 6 of linkage is rotated in opposite direction with same rotational speed.
As Figure 1-Figure 5, a kind of preferred structure of above-mentioned driving mechanism is：Rotate be arranged on front end side wall and/or
The first sprocket wheel 7 on the side wall of rear end, one end of the first connecting rod 1 of the first quadric chain 5 are fixedly connected with the first sprocket wheel 7, with
The first connecting rod 1 is set to be rotated under the drive of the first sprocket wheel 7；Rotate be arranged on compartment, and with the first chain
Wheel 7 is on same side wall, and the second sprocket wheel 9 being driven by 8 and first sprocket wheel 7 of chain；It is coaxially connected with the second sprocket wheel 9 and
The first gear 10 of synchronous rotation；The second gear 11 engaged with first gear 10, the first connecting rod 1 of the second quadric chain 6
One end be fixedly connected with second gear 11 so that the first connecting rod 1 of the second quadric chain 6 can be in the band of second gear 11
Rotated under dynamic；The cylinder 13 that piston rod is fixedly connected with chain 8.First sprocket wheel 7 is arranged on front end side wall or rear end side wall
On, or the first sprocket wheel 7 is both provided with front end side wall and rear end side wall, and in each side wall for being provided with the first sprocket wheel 7
On be both provided with above-mentioned miscellaneous part.
In said structure, the first connecting rod 1 of the first quadric chain 5 is made to be rotatablely connected by the first sprocket wheel 7 with compartment,
The first connecting rod 1 of the second quadric chain 6 is made to be rotatablely connected by second gear 11 and compartment, so that two first connecting rods
1 is respectively the driving lever of the first quadric chain 5 and the second quadric chain 6, and the second connecting rod 2 in two quadric chains
It is then follower lever.In order to ensure that the reverse sync of the first quadric chain 5 and the second quadric chain 6 moves, preferably with the
One quadric chain 5 connection the first sprocket wheel 7 diameter be more than the second sprocket wheel 9 diameter, and the diameter of first gear 10 then with
The diameter of second sprocket wheel 9 identical is simultaneously connected by transmission shaft 12 with the second sprocket wheel 9, is engaged with first gear 10 and is connected second
The second gear 11 of the first connecting rod 1 of quadric chain 6, diameter are then more than the diameter of first gear 10, as Figure 1-Figure 5.
By the transmission of above-mentioned each sprocket wheel and gear, the first sprocket wheel 7 and the reverse rotation of second gear 11 can be realized, so as to fulfill
The symmetric motion of two first connecting rods 1 and two second connecting rods 2.
To ensure that two first connecting rods 1 are closing, turned position identical with the rotational angle in opening procedure at different moments
Symmetrically, even the first head cover 3 and the second head cover 4 symmetrically move, the present embodiment makes effectively the half of the second sprocket wheel 9 and first gear 10
Footpath is identical.
The cylinder body of cylinder 13 is fixed on the side wall in compartment by erection support, installation site as shown in Figure 1, its piston end
It is connected with chain 8, so that the piston of cylinder 13 can drive chain 8 to move in extending or retracting.13 required pressure of cylinder
Strength body can be provided by the supply and control device being installed on car body, or be provided by train braking pipeline, can also
There is provided by ground installation in vehicle cargo field, the supply and control device on car can be reduced when being provided by ground installation, effectively
Reduce cost.In addition, driving part can also be to directly drive motor, the hydraulic pressure horse that the first sprocket wheel 7 or the second sprocket wheel 9 rotate
Up to etc..
In specific operation process, compartment, it is necessary to open head cover, stretches out piston, band by cylinder 13 first when goods yard is freighted
Dynamic chain 8 moves, and chain 8 drives the first sprocket wheel 7 and the second sprocket wheel 9 to rotate, and the of the first sprocket wheel 7 and the first quadric chain 5
One connecting rod 1 rotates synchronously, and the second sprocket wheel 9 is then rotated synchronously with first gear 10, first gear 10 by with second gear 11
Engagement drive second gear 11 rotate, second gear 11 and the first connecting rod 1 of the second quadric chain 6 rotate synchronously so that
Realize and two sets of the synchronous of quadric chain are driven.As 5 He of the first quadric chain where two driving levers drive it respectively
Second quadric chain 6 acts, and opens the first head cover 3 and the second head cover 4, the direction of motion of each component is as shown in Figure 5.Head cover
Action process during closing is with opening procedure on the contrary, the direction of motion of each component is opposite with the direction of arrow indicated on Fig. 5.
In addition, driving device can also be drive the first quadric chain 5 and the second quadric chain 6 to rotate respectively more
A motor.I.e. when setting two sets of quadric chains, this two sets of quadric chains can also be corresponded to two independent drives are set
Dynamic device, to drive two first connecting rods 1 or two second connecting rods 2 in two sets of quadric chains, and two sets of double leval jibs respectively
Mechanism, can be with Asynchrony when driving the first head cover 3 and the second head cover 4, can also be by controlling two driving devices to make
Two sets of quadric chains are synchronized with the movement.Specifically, the driving device in such a set-up mode can be motor or hydraulic motor
Deng.
When the first quadric chain 5 and the second quadric chain 6 are symmetrical arranged, the of preferably the first quadric chain 5
One connecting rod 1, is arranged close to the first connecting rod 1 of the second quadric chain 6, and the first quadric chain 5 and the second double leval jib
The length of the second connecting rod 2 of mechanism 6, less than the length of first connecting rod 1, as Figure 1-Figure 5.Such a set-up mode, can make
Obtain the first head cover 3 and the second head cover 4 rotate downwards during opening, and then be bonded respectively with the left and right side walls in compartment,
To reduce space shared when head cover is opened, as shown in figs. 2 and 10.Certainly, first connecting rod 1 can also be made in the present embodiment
It is identical with the length of second connecting rod 2, so that the first head cover 3 and the second head cover 4 translate in the horizontal direction in movement.
In head cover switching mechanism provided in this embodiment, further include：It is arranged on the first head cover 3 and the second head cover 4, respectively
For multiple lid mounting bases 14 of hinged first connecting rod 1 and second connecting rod 2, as shown in Figure 1, Figure 2, shown in Fig. 6 and Fig. 7；It is arranged on
In front end side wall and/or rear end side wall, for the carriage body mounting base 15 of hinged second connecting rod 2, and set in carriage body mounting base 15
It is equipped with and first connecting rod 1 is stopped, to avoid the limited block 16 of 1 excess rotation of first connecting rod, every suit quadric chain
In be both provided with a limited block 16.Mounting base is set, so that quadric chain is hinged by mounting base and head cover and compartment,
The connectivity robustness and reliability of structure can be further improved, extend head cover switching mechanism provided in this embodiment uses the longevity
Life.In addition, setting limited block 16, it is located at two 1 default maximum angles of first connecting rod, when two first connecting rods 1
When turning to the setting position of two limited blocks 16 respectively, two first connecting rods 1 turn to maximum angle, at this time cylinder 13
Piston reach range, head cover opening action is completed, head cover open after state as shown in figs. 2 and 10.Double leval jib
The degree of rotation of structure can be as needed, and the collapsing length by adjusting 13 piston of position and cylinder of limited block 16 comes
Adjustment.Similarly, the loading hatch space size after head cover is opened, position that can be as desired by adjustment limited block 16 and work
The mode of plug stroke realizes that head cover can be positioned over the side in compartment by stroke completely when maximum, does not influence the sky of car body top
Between, so as to meet loading machine or leak the loading needs of the diversified forms such as storehouse.
It is further preferred that the first head cover 3 and the second head cover 4 pass through fillet for the left side wall and right side wall respectively with compartment
The fillet head cover that transition coordinates, and it is both provided with leg 17, car on the first head cover 3 and the second head cover 4 end close to each other
Be provided with the top of railway carriage or compartment support leg 17 support base 18, as shown in Figure 1, Figure 2 with shown in Fig. 8.Head cover is arranged to said structure, no
Only it can further increase the volume in compartment, and the closure and opening for compartment opening of being more convenient for realizing by rotation, and push up
Cover and can be lain against completely on roof in closure state, and do not invade railway clearance.
Support base 18 is installed on compartment front end side wall and/or the central upper of rear end side wall, as depicted in figs. 1 and 2, when
When one head cover 3 and the second head cover 4 in the closed position, the leg 17 on two head covers falls on the supporting surface of support base 18, by
Support base 18 undertakes a part of weight of head cover, and the exterior bottom of two head covers then falls within the upper surface of compartment top side rail, from
And making head cover be in equilibrium state, other rod pieces do not stress substantially at this time.Vehicle is after the completion of loading until sinciput of freighting again
Lid is in this closed mode.
In addition, the present embodiment additionally provides a kind of goods train carriage, including car body 19 and it is arranged on car body
Head cover switching mechanism on 19, the head cover switching mechanism are above-mentioned head cover switching mechanism.
Since this goods train carriage employs above-mentioned head cover switching mechanism, so goods train carriage is opened and closed by head cover
The beneficial effect that mechanism is brought refers to the above, and details are not described herein for the present embodiment.
Each part is described by the way of progressive in this specification, what the structure of each part stressed is
With the difference of existing structure, the entirety and part-structure of head cover switching mechanism can be by combining the structure of above-mentioned some
And obtain.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (10)
- A kind of 1. head cover switching mechanism, for installed in the compartment of railway freight-car, it is characterised in that including：Head cover；It is arranged in the front end side wall and/or rear end side wall in the compartment, and the quadric chain being connected with the head cover, it is described Quadric chain is by driving the head cover movement to realize the opening and closing of compartment opening；It is located at the quadric chain on same side wall, for driving the driving device of the quadric chain.
- 2. head cover switching mechanism according to claim 1, it is characterised in that the quadric chain includes：Distinguish at both ends The first connecting rod being connected with the head cover and the compartment, and both ends be connected respectively with the head cover and the compartment second Connecting rod.
- 3. head cover switching mechanism according to claim 2, it is characterised in that the head cover includes the first head cover and the second top Lid, first head cover and second head cover can realize the closing of the compartment opening, by backwards by moving towards Movement can realize the unlatching of the compartment opening, and be provided with and be used on the front end side wall and/or the rear end side wall The first quadric chain of first head cover is driven, and for driving the second quadric chain of second head cover.
- 4. head cover switching mechanism according to claim 3, it is characterised in that first quadric chain and described second The structure of quadric chain is identical, and on the center line symmetrical setting on the box width direction.
- 5. head cover switching mechanism according to claim 4, it is characterised in that the driving device is driving the described 1st The driving mechanism that linkage and second quadric chain are rotated in opposite direction with same rotational speed.
- 6. head cover switching mechanism according to claim 5, it is characterised in that the driving mechanism includes：The first sprocket wheel being arranged on the front end side wall and/or the rear end side wall rotated, first quadric chain One end of first connecting rod be fixedly connected with first sprocket wheel so that the first connecting rod can be in the band of first sprocket wheel Rotated under dynamic；What is rotated is arranged on the compartment, and be located at first sprocket wheel on same side wall, and passes through chain and described the Second sprocket wheel of one chain gear transmission；The first gear for being connected and rotating synchronously with second sprocket coaxiality；The second gear engaged with the first gear, one end of the first connecting rod of second quadric chain and described second Gear is fixedly connected, so that the first connecting rod of second quadric chain can be turned under the drive of the second gear It is dynamic；The cylinder that piston rod is fixedly connected with the chain.
- 7. head cover switching mechanism according to claim 4, it is characterised in that described the first of first quadric chain Connecting rod, is arranged close to the first connecting rod of second quadric chain, and first quadric chain and described The length of the second connecting rod of second quadric chain, less than the length of the first connecting rod.
- 8. head cover switching mechanism according to claim 7, it is characterised in that further include：It is arranged on first head cover and second head cover, is respectively used to the hingedly first connecting rod and the second connecting rod Multiple lid mounting bases；It is arranged on the front end side wall and/or the rear end side wall, for the carriage body mounting base of the hingedly second connecting rod, and And be provided with the carriage body mounting base and the first connecting rod is stopped, to avoid the limit of the first connecting rod excess rotation Position block.
- 9. the head cover switching mechanism according to any one in claim 3-8, it is characterised in that first head cover and institute It is the fillet head cover coordinated respectively with the left side wall and right side wall in the compartment by round-corner transition to state the second head cover, and described Leg is both provided with first head cover and second head cover end close to each other, support institute is provided with the top of the compartment State the support base of leg.
- 10. a kind of goods train carriage, including car body and the head cover switching mechanism that is arranged on the car body, it is described Head cover switching mechanism is the head cover switching mechanism described in any one in claim 1-9.
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| CN201721302981.0U CN207360319U (en) | 2017-10-10 | 2017-10-10 | A kind of goods train carriage and its head cover switching mechanism |
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| CN201721302981.0U CN207360319U (en) | 2017-10-10 | 2017-10-10 | A kind of goods train carriage and its head cover switching mechanism |
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| CN109606405A (en) * | 2019-01-28 | 2019-04-12 | 河北拓展机车配件科技有限公司 | A kind of cargo train carriage head cover closing environment friendly system |
| CN110435694A (en) * | 2019-08-08 | 2019-11-12 | 中车石家庄车辆有限公司 | Double drive rollover top cover and double door carriage of freight train |
| CN111731336A (en) * | 2020-07-03 | 2020-10-02 | 中车齐齐哈尔车辆有限公司 | Railway wagon carriage and railway wagon with same |
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- 2017-10-10 CN CN201721302981.0U patent/CN207360319U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109249953A (en) * | 2018-09-06 | 2019-01-22 | 中车太原机车车辆有限公司 | Lower resistance full-open type lorry roof system |
| CN109606405A (en) * | 2019-01-28 | 2019-04-12 | 河北拓展机车配件科技有限公司 | A kind of cargo train carriage head cover closing environment friendly system |
| CN110435694A (en) * | 2019-08-08 | 2019-11-12 | 中车石家庄车辆有限公司 | Double drive rollover top cover and double door carriage of freight train |
| CN111731336A (en) * | 2020-07-03 | 2020-10-02 | 中车齐齐哈尔车辆有限公司 | Railway wagon carriage and railway wagon with same |
| CN111731336B (en) * | 2020-07-03 | 2021-08-27 | 中车齐齐哈尔车辆有限公司 | Railway wagon carriage and railway wagon with same |
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