CN208813211U - A kind of lorry top cover opening and closing device - Google Patents
A kind of lorry top cover opening and closing device Download PDFInfo
- Publication number
- CN208813211U CN208813211U CN201821624103.5U CN201821624103U CN208813211U CN 208813211 U CN208813211 U CN 208813211U CN 201821624103 U CN201821624103 U CN 201821624103U CN 208813211 U CN208813211 U CN 208813211U
- Authority
- CN
- China
- Prior art keywords
- top cover
- lorry
- slideway
- closing device
- sliding rail
- 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.)
- Active
Links
Landscapes
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
The utility model relates to a kind of lorry top cover opening and closing devices comprising two groups of shutter devices being respectively arranged at left and right sides of the compartment of lorry, shutter device include bracket and the slideway for being fixedly arranged on bracket, and two slideways are distributed in splayed configuration；The top cover of lorry includes two cover boards for being equipped with trigger member, and bracket is fixedly arranged on ground, and two slideways are adapted with two trigger member respectively, and trigger member can be slided along slideway during lorry is run and cover board is driven to rotate, to open or close top cover.The structure of the lorry top cover opening and closing device is simple, applicability is good and can effectively reduce cost.
Description
Technical field
The utility model relates to technical field of freight car, and in particular to a kind of lorry top cover opening and closing device.
Background technique
Railway transporting coal lorry loading hatch be open wide rectangular configuration, during transportation, due to vehicle self-operating speed compared with
Fastly, while the effect by wind-force, it may occur that phenomena such as fugitive dust.It is not only lost the transporting coal on vehicle, reduces economic effect
Benefit, moreover, having larger pollution to environment.Each transporting coal mechanism is at this stage in order to reduce this phenomenon of fugitive dust, on vehicle cargo mouth
Install removable top cover additional, when loading and unloading goods, top cover is opened, and in transportational process, top cover is closed.To prevent the generation of dust raising phenomenon.
In the prior art, the opening and closing of the removable top cover of lorry can be by installing power and driver additional in each car
Structure realizes that its structure is complicated, at high cost, and increases the self weight of vehicle, and economy is poor.
Therefore, how to provide that a kind of structure is simple, applicability is good and lorry top cover opening and closing device at low cost, be ability
Field technique personnel's technical issues that need to address.
Utility model content
The purpose of the utility model is to provide a kind of lorry top cover opening and closing device, structure is simple, applicability is good and can have
Effect reduces cost.
In order to solve the above technical problems, the utility model provides a kind of lorry top cover opening and closing device comprising two components
Not She Yu shutter device at left and right sides of the compartment of lorry, the shutter device includes bracket and the cunning for being fixedly arranged on the bracket
Road, the bracket are fixedly arranged on ground, and two slideways are distributed in splayed configuration；The top cover of lorry includes two and is equipped with trigger member
Cover board, two slideways are adapted with two trigger member respectively, and the trigger member can be during lorry be run
It is slided along the slideway and the cover board is driven to rotate, to open or close the top cover.
Specifically, when needing to open top cover, lorry by between two groups of shutter devices, trigger member by slideway first end
Portion is slided to the second end, and two trigger member drive two cover boards to slide along two slideways, so that two cover boards are rotating around its rotation
Shaft axis, which rotates outward, (wherein, to be referred to a side of the cover board far from another cover board outside, inside refers to a cover board towards another lid
The side of plate), the angle that two cover boards open is increasing, until top cover fully opens；It, can should when needing to close top cover
Top cover opening and closing device is oppositely positioned, i.e., places after state when opening top cover being rotated 180 °, and lorry passes through two groups of shutter devices
Between, at this point, trigger member is slided from the second end of slideway to first end, two trigger member drive two cover boards along two cunnings
During road slides, so that two cover boards are rotated inward rotating around its rotation axis, the angle that two cover boards open is increasingly
It is small, until two fittings of cover board 21, top covers completely close.
The top cover opening and closing device is set to ground, and lorry between two shutter devices from when passing through, the cunning of two shutter devices
Road can be acted on two trigger member of top cover respectively, to realize opening or closing for top cover.That is, top cover opening and closing dress
It sets to function during Freight Transport and realizes opening or closing for top cover, without separately setting driving device, without artificial
Operation, improve the efficiency of loading and unloading, meanwhile, same top cover opening and closing device be set to ground, different lorry top covers can be carried out open or
It closes, versatility is high, stability is good, and can effectively simplify the overall structure of lorry, and lorry is without installing power and transmission mechanism
It realizes the opening and closing of top cover, mitigates the overall weight of lorry, reduce cost.
Optionally, the slideway includes the first sliding rail and the second sliding rail, and first sliding rail is set to second sliding rail
Inside, the trigger member can be slided between first sliding rail and second sliding rail.
Optionally, the shutter device further includes bolster, and the bolster is set between the slideway and the bracket,
The close one end of two slideways is first end, and separate one end is the second end, and the slideway can be relative to the branch
Frame is rotated around its second end.
Optionally, the branch is provided with fixation hole and arcuate socket, and the slideway is equipped with two fixed columns, towards described second
The fixed column of end is rotatably connected with fixation hole, can be slided in the arcuate socket towards the fixed column of the first end.
Optionally, the bracket includes support and platform sling and driving device set on the support, the platform sling and institute
It states slideway to fix, the driving device can act on the platform sling to adjust the height of the slideway.
Optionally, stiffening plate is additionally provided between the platform sling and the driving device.
Optionally, the driving device is cylinder, and the top of the push rod of the cylinder is detachably connected with the platform sling.
Optionally, the trigger member is equipped with idler wheel, and the idler wheel is rolled along the slideway, and the axis of the idler wheel and institute
The angle stated between the plane where slideway is 0~30 °.
Optionally, shutter device described in two groups is symmetrically set at left and right sides of the compartment of the lorry.
Detailed description of the invention
Fig. 1 is that top cover opening and closing device provided by the utility model embodiment is matched with the top cover being in close state
Structural schematic diagram；
Fig. 2 is that top cover opening and closing device provided by the utility model embodiment is matched with top cover in the open state
Structural schematic diagram；
Fig. 3 is the enlarged drawing of P in Fig. 2；
Fig. 4 is top view when top cover opening and closing device is used to open top cover；
Fig. 5 is the structural schematic diagram of Fig. 4 middle slideway；
Fig. 6 is top view when top cover opening and closing device is used to close top cover；
Fig. 7 is the structural schematic diagram of Fig. 6 middle slideway.
In attached drawing 1-7, the reference numerals are as follows:
The compartment 1-；21- cover board, 22- trigger member, 221- idler wheel, 23- supporting element, 231- hinge joint；31- slideway, 311-
One sliding rail, the second sliding rail of 312-, 313- fixed column；321- support, 322- platform sling, 323- push rod, 324- stiffening plate；33- buffering
Part；34- regulating part.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the utility model, with reference to the accompanying drawing and have
The utility model is described in further detail for body embodiment.
Please refer to Fig. 1-7, Fig. 1 is top cover opening and closing device provided by the utility model embodiment and be in close state
The structural schematic diagram that top cover matches；Fig. 2 be top cover opening and closing device provided by the utility model embodiment in open shape
The structural schematic diagram that the top cover of state matches；Fig. 3 is the enlarged drawing of P in Fig. 2；Fig. 4 is that top cover opening and closing device is used to open top cover
When top view；Fig. 5 is the structural schematic diagram of Fig. 4 middle slideway；Fig. 6 is vertical view when top cover opening and closing device is used to close top cover
Figure；Fig. 7 is the structural schematic diagram of Fig. 6 middle slideway.
The utility model embodiment provides a kind of lorry top cover opening and closing device, wherein as depicted in figs. 1 and 2, lorry
Top cover include two groups of compartments for being respectively arranged on lorry, 1 left and right sides 21 components of cover board, energy after two groups of 21 components of cover board closures
Enough cover the top in compartment 1；Every group of 21 component of cover board respectively includes cover board 21 and the branch at two both ends for being respectively arranged on cover board 21
The end of support member 23, one end and compartment 1 of supporting element 23 is hinged, and the other end is connect with cover board 21, two supporting elements 23 and compartment 1
Between hinge joint 231 between line formed 21 component of cover board rotation axis, that is to say, that 21 component of cover board can be around two
The line of hinge joint 231 between a supporting element 23 and compartment 1 rotates, and every group of 21 component of cover board further includes set on the top of cover board 21
The trigger member 22 at the end trigger member 22 can cooperate with the top cover opening and closing device for being set to ground, and can be in the work of top cover opening and closing device
It is rotated with lower drive cover board 21 around rotation axis.
As depicted in figs. 1 and 2, which includes the opening and closing group of two 1 left and right sides of compartment for being mounted on lorry
Part, two groups of shutter devices are corresponding with two groups of 21 components of cover board of top cover respectively, wherein every group of shutter device respectively include bracket and
Slideway 31, bracket is fixedly arranged on ground, which is fixedly arranged on bracket and two slideways 31 are distributed in splayed configuration, i.e. two slideways
31 one end (first end) is close, and the other end (the second end) is separate, and the slideway 31 of shutter device can be with 21 component of cover board
Trigger member 22 be adapted, enable trigger member 22 lorry operation during along slideway 31 slide and drive cover board 21 around
The rotation of its rotation axis, and then realize the opened closing of top cover.
Specifically, when needing to open top cover, as shown in Fig. 1,4 and 5, wherein arrow direction refers to the direction that lorry advances,
Lorry is by between two groups of shutter devices, trigger member 22 is slided from the first end of slideway 31 to the second end, 22 band of trigger member
Dynamic cover board 21 is slided along two slideways 31, so that cover board 21 rotates about axis and rotates outward (wherein, refers to a cover board 21 outside
Side far from another cover board 21, correspondingly, interior refer to a cover board 21 towards the side of another cover board 21), two cover boards 21
The angle of opening is increasing, until top cover fully opens；When needing to close top cover, as shown in Fig. 2,3,6 and 7, wherein arrow
Head direction refers to the direction that lorry advances, and the top cover opening and closing device is oppositely positioned, i.e., state when opening top cover is rotated 180 °
After place, lorry is by between two groups of shutter devices, at this point, trigger member 22 is sliding from the second end of slideway 31 to first end
It is dynamic, during trigger member 22 drives cover board 21 to slide along slideway 31, rotated inward so that cover board 21 rotates about axis, two
The angle that cover board 21 opens is smaller and smaller, until two fittings of cover board 21, top covers completely close.
The top cover opening and closing device is set to ground, and lorry between two shutter devices from when passing through, the cunning of two shutter devices
Road 31 can be acted on two trigger member 22 of top cover respectively, to realize opening or closing for top cover.That is, the top cover is opened
Opening or closing for realization top cover can be functioned during Freight Transport by closing device, without separately setting driving device, without
Manual operation improves the efficiency of loading and unloading, meanwhile, same top cover opening and closing device is set to ground, can open different lorry top covers
It opens or closes, versatility is high, stability is good, and can effectively simplify the overall structure of lorry, and lorry is without installing power and transmission
Mechanism realizes the opening and closing of top cover, mitigates the overall weight of lorry, reduces cost.
In the above-described embodiments, slideway 31 includes the first sliding rail 311 and the second sliding rail 312, wherein the first sliding rail 311 is set
In the inside of the second sliding rail 312, i.e., two the first sliding rails 311 are located between two the second sliding rails 312, and the first sliding rail 311
The distance between second sliding rail 312 is not less than the width of trigger member 22, enables trigger member 22 in the first sliding rail 311 and the
It is slided between two sliding rails 312.
Specifically, top cover is set in opening procedure as shown in figure 5, the direction of arrow meaning is the direction of lorry operation
The idler wheel 221 of trigger member 22 is a1-b1-c1 along the sliding trace of slideway 31, and the idler wheel 221 is first along the position a1 of the first sliding rail 311
It sets and slides into after cover board 21 is located at center of gravity critical localisation b1 (center of gravity and rotation axis of cover board 21 are in same vertical plane), lid
Plate 21 can rotate about axis under the action of its own gravity and rotate outward, at this point, trigger member 22 is slided along the second sliding rail 312
Until c1 fully opens top cover；And top cover is during the shutdown process, as shown in fig. 7, the direction of arrow meaning is lorry operation
Direction, idler wheel 221 are a2-b2-c2 along the sliding trace of slideway 31, first slide into cover board 21 along the position a2 of the second sliding rail 312
After center of gravity critical localisation b2, cover board 21 can rotate about axis under the action of its own gravity and rotate inward, at this point, touching
Outbox 22 is along the sliding of the first sliding rail 311 until c2 completely closes top cover.
Certainly, in the present embodiment, if the top cover opening and closing device is for when opening top cover, slideway 31 can only to include first sliding
Rail 311, if top cover opening and closing device is for when closing top cover, slideway 31 can only to include the second sliding rail 312, and set slideway 31 to
Structure including the first sliding rail 311 and the second sliding rail 312 may make when cover board 21 is after rotation is to center of gravity critical localisation, can be to lid
Plate 21 plays the role of buffer protection, avoids it from falling suddenly under gravity and causes to damage with the shock of the top in compartment 1.
In addition, the first sliding rail 311 and the second sliding rail 312 can be formed as sliding groove structure, i.e. the two side walls difference of sliding slot
The first sliding rail 311 and the second sliding rail 312 are formed, alternatively, it is seperated the first sliding rail 311 and the second sliding rail 312 can also to be set to
Formula structure, does not do specific requirement herein.Also, in the present embodiment, the length of the first sliding rail 311 and the second sliding rail 312 can
It can also be different with identical, as shown in figure 5, the length of the second sliding rail 312 can when the top cover opening and closing device is used to open top cover
The side of the second end that is shorter and being located at the first sliding rail 311 is set, likewise, as shown in fig. 7, when the top cover opening and closing device is used
When closing top cover, the length of the first sliding rail 311 is settable shorter and is located at the side of the first end of the second sliding rail 312, with
It reduces whole materials, mitigate overall weight, good economy performance.Specifically, the length between the first sliding rail 311 and the second sliding rail 312
Angle and the center of gravity of cover board 21, rotation axis between the first sliding rail 311 and the second sliding rail 312 is related, can be according to reality
It is set, is not required herein.
In the above-described embodiments, as shown in Figure 3 and Figure 6, shutter device further includes bolster 33, and bolster 33 is set to slideway
Between 31 and bracket, slideway 31 can be rotated relative to bracket around its second end, specifically, when the top cover opening and closing device is for closing
When closing top cover, under normal circumstances, when cargo does not have resistance to the closing of top cover, bolster 33, which can push against slideway 31, is closing it
It does not rotate in the process；If cargo loads the range closed beyond top cover, it is obstructed at this point, closing top cover, i.e., cover board 21 is inside
Rotation needs to overcome resistance brought by cargo, which will have the tendency that slideway 31 (the second sliding rail 312) is pushed to be turned out,
Slideway 31 can be turned out around its second end and compress bolster 33 at this time, avoid the rigidity between slideway 31 and trigger member 22
Damaged in collision slideway 31 or trigger member 22, prolong the service life.
Specifically, the bolster 33 can be set to each shutter device, i.e., no matter the top cover opening and closing device is for opening top
Lid or closing top cover, can be equipped with bolster 33, so that the versatility of top cover opening and closing device is good, alternatively, will can also only use
Bolster 33, good economy performance are equipped in the top cover opening and closing device for closing top cover.Specifically, not to the specific structure of the bolster 33
It is limited, such as spring or other such as rubber elastic components in compressive state can be set to.
In the above-described embodiments, branch is provided with fixation hole and arcuate socket, and slideway 31 is equipped with two fixed columns 313, and direction is sliding
The fixed column 313 of the second end in road 31 and the fixation hole of bracket are rotatably connected, towards the fixation of the first end of slideway 31
Column 313 can be slided arcuately in hole, to realize that slideway 31 as described above can be rotated relative to bracket around its second end.Specifically
, when slideway 31 be sliding groove structure when, fixed column 313 can be set to sliding slot slot bottom, at this point, sliding slot be in inversion state, slot bottom with
Bracket is fixed, Open Side Down cooperates with trigger member 22；When slideway 31 is mutually independent first sliding rail 311 and the second sliding rail 312
When structure, connecting plate can be set between the first sliding rail 311 and the second sliding rail 312, fixed column 313 is set to connecting plate.
Certainly, in the present embodiment, the connection type between slideway 31 and bracket is not particularly limited, it such as can also be by cunning
The second end in road 31 is rotatably connected by fixed column 313 and the fixation hole of bracket, and the first end of slideway 31 is equipped with sliding block,
Branch is provided with track compatible with sliding block, and slideway 31 as described above can equally may be implemented along track sliding in sliding block can phase
Bracket is rotated around its second end.And the structure that fixed column 313 and fixation hole, arcuate socket is arranged can make overall structure simple
Single, simplified processing technology.
In addition, when the top cover opening and closing device is used to open top cover, in the case where being not provided with above-mentioned bolster, slideway 31
Both it the realizations such as can be bolted with bracket to fix, i.e., without relatively rotating.
In the above-described embodiments, bracket includes support 321 and platform sling 322 and driving device set on the support 321,
Wherein, platform sling 322 and slideway 31 are fixed, and driving device can act on platform sling 322 with the height of adjusting slideway 31.Namely
It says, the height of the slideway 31 in the present embodiment can be adjusted by driving device, can also in conjunction with the width between two shutter devices
It adjusts, so that the top cover opening and closing device is applicable to lorry vehicle not of the same race, applicability is good.
It in the above-described embodiments, further include regulating part 34 corresponding with the height of lorry, regulating part 34 is located at 321 He of support
Between platform sling 322, driving device driving platform sling 322 abuts the bottom end of platform sling 322 and the top of regulating part 34.Specifically, not
Level lorry has a corresponding regulating part 34, driving device according to regulating part 34 adjust top cover opening and closing device make its with
The height of lorry matches, and when adjusting top cover opening and closing device, first puts regulating part 34 corresponding with the lorry of top cover to be opened and closed
Be placed on support 321, drive platform sling 322 to move up and down with sliding way 31 by driving device so that the lower surface of platform sling 322 with
The top of regulating part 34 abuts, at this point, slideway 31 can cooperate with the trigger member 22 of lorry top cover, if trigger member 22 is equipped with idler wheel
221, then idler wheel 221 and 31 place plane of slideway are tangent at this time.The setting of the regulating part 34 fills convenient for fast implementing top cover opening and closing
The adjusting set, easy to operate and time-saving and efficiency.
In the above-described embodiments, stiffening plate 324, one end of platform sling 322 and drive are additionally provided between platform sling 322 and driving device
Dynamic device is fixed, and the other end is hanging and fixed with slideway 31, the setting of stiffening plate 324 can reinforce platform sling 322 and driving device it
Between bonding strength, avoid slideway 31 when stress is larger, the platform sling 322 in vacant state made to be damaged.
In the above-described embodiments, driving device is cylinder, and top and the platform sling 322 of the push rod 323 of cylinder are detachably connected,
Convenient for being dismantled, being replaced to it after cylinder breaks down.Company between top particularly for push rod 323 and platform sling 322
Connect with no restrictions, such as can be used be bolted, pin connection, according to pin connection, then above-mentioned stiffening plate 324 can also be used to prevent
Only platform sling 322 rotates.Certainly, the driving device in the present embodiment can also select the structure etc. of hydraulic cylinder or lead screw, to
This is with no restrictions.
In the above-described embodiments, trigger member 22 is equipped with idler wheel 221, and idler wheel 221 is rolled along slideway 31, and the axis of idler wheel 221
The angle (included angle A as shown in Figure 1) between plane where line and slideway 31 is 0~30 °, to guarantee that idler wheel 221 can be suitable
Benefit is slided along slideway 31.Certainly, the included angle A is the smaller the better, when included angle A is 0 °, where the lateral wall and slideway 31 of idler wheel 221
Plane is tangent.
In the above-described embodiments, two groups of shutter devices are symmetrically set in the left and right sides of lorry, at this point, the two of corresponding top cover
A trigger member 22 is also symmetrically set in the left and right sides of lorry, so that overall structure is regular, and versatility is good.
Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of this utility model, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as the protection scope of the utility model.
Claims (9)
1. a kind of lorry top cover opening and closing device, which is characterized in that be respectively arranged on including two groups at left and right sides of the compartment (1) of lorry
Shutter device, the shutter device includes bracket and the slideway (31) for being fixedly arranged on the bracket, and the bracket is fixedly arranged on ground,
Two slideways (31) are distributed in splayed configuration；
The top cover of lorry includes two cover boards (21) for being equipped with trigger member (22), and two slideways (31) are respectively and described in two
Trigger member (22) is adapted, and the trigger member (22) can be slided and drive along the slideway (31) during lorry is run
Cover board (21) rotation, to open or close the top cover.
2. lorry according to claim 1 top cover opening and closing device, which is characterized in that the slideway (31) includes first sliding
Rail (311) and the second sliding rail (312), first sliding rail (311) are set to the inside of second sliding rail (312), the triggering
Part (22) can slide between first sliding rail (311) and second sliding rail (312).
3. lorry according to claim 1 top cover opening and closing device, which is characterized in that the shutter device further includes buffering
Part (33), the bolster (33) be set between the slideway (31) and the bracket, two slideways (31) it is close one
End is first end, and separate one end is the second end, and the slideway (31) can turn relative to the bracket around its second end
It is dynamic.
4. lorry according to claim 3 top cover opening and closing device, which is characterized in that the branch is provided with fixation hole and arc
Shape hole, the slideway (31) are equipped with two fixed columns (313), and the fixed column (313) and fixation hole towards the second end can
Rotation connection, can slide towards the fixed column (313) of the first end in the arcuate socket.
5. lorry according to claim 1-4 top cover opening and closing device, which is characterized in that the bracket includes branch
Seat (321) and the platform sling (322) and driving device for being set to the support (321), the platform sling (322) and the slideway (31)
Fixed, the driving device can act on the platform sling (322) to adjust the height of the slideway (31).
6. lorry according to claim 5 top cover opening and closing device, which is characterized in that the platform sling (322) and the drive
Stiffening plate (324) are additionally provided between dynamic device.
7. lorry according to claim 5 top cover opening and closing device, which is characterized in that the driving device is cylinder, institute
The top and the platform sling (322) for stating the push rod (323) of cylinder are detachably connected.
8. lorry according to claim 1-4 top cover opening and closing device, which is characterized in that the trigger member (22)
Equipped with idler wheel (221), the idler wheel (221) rolls along the slideway (31), and the axis of the idler wheel (221) and the slideway
(31) angle between plane where is 0~30 °.
9. lorry according to claim 1-4 top cover opening and closing device, which is characterized in that opening and closing group described in two groups
Part is symmetrically set at left and right sides of the compartment (1) of the lorry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821624103.5U CN208813211U (en) | 2018-09-30 | 2018-09-30 | A kind of lorry top cover opening and closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821624103.5U CN208813211U (en) | 2018-09-30 | 2018-09-30 | A kind of lorry top cover opening and closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208813211U true CN208813211U (en) | 2019-05-03 |
Family
ID=66279236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821624103.5U Active CN208813211U (en) | 2018-09-30 | 2018-09-30 | A kind of lorry top cover opening and closing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208813211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113859291A (en) * | 2021-09-27 | 2021-12-31 | 内蒙古大唐国际托克托发电有限责任公司 | Railway freight car top cap touching mechanism control system |
-
2018
- 2018-09-30 CN CN201821624103.5U patent/CN208813211U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113859291A (en) * | 2021-09-27 | 2021-12-31 | 内蒙古大唐国际托克托发电有限责任公司 | Railway freight car top cap touching mechanism control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11242074B2 (en) | Opening and closing method and opening and closing mechanism of convertible movable top cover of railway freight wagon | |
| AU2018279021B2 (en) | Wagon and vehicle body assembly thereof | |
| CN109017851A (en) | A kind of lorry top cover opening and closing device | |
| CN109017833A (en) | Rolling stock | |
| CN208813211U (en) | A kind of lorry top cover opening and closing device | |
| CN102295111B (en) | Sliding top chute type bulk cargo container | |
| CN202703598U (en) | Entire overturning type roof structure for rail wagon | |
| CN102730335A (en) | Multi-purpose container of rail-mounted mobile sealing inner door | |
| CN211281019U (en) | Cover-pulling device | |
| CN112277977B (en) | Bulk cargo transport vehicle | |
| CN208498494U (en) | Rail transporter | |
| CN210174866U (en) | Top cover device and railway wagon | |
| CN208731025U (en) | A kind of engineering multi-layer machine components travelling bogie | |
| CN208760502U (en) | A kind of lorry and its top cover | |
| CN110203228A (en) | The control method of movable cover device and movable cover device | |
| CN210526539U (en) | Self-locking movable top cover and railway open wagon | |
| RU177557U1 (en) | Roof box truck | |
| CN210174865U (en) | Movable top cover system and railway open wagon | |
| CN204775236U (en) | Self -discharging van -type mine car | |
| CN201923528U (en) | Open container | |
| CN110203229A (en) | Movable cover mechanism and movable cover device | |
| CN203511655U (en) | Rollover type tramcar | |
| CN208101978U (en) | A kind of lorry and its top cover | |
| CN107777243B (en) | Large-dip-angle folding hopper type small-sized charging machine | |
| CN207225348U (en) | Hopper wagon cap assembly and railway hopper car |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |