CN109017851B - Top cover opening and closing device for truck - Google Patents
Top cover opening and closing device for truck Download PDFInfo
- Publication number
- CN109017851B CN109017851B CN201811160639.0A CN201811160639A CN109017851B CN 109017851 B CN109017851 B CN 109017851B CN 201811160639 A CN201811160639 A CN 201811160639A CN 109017851 B CN109017851 B CN 109017851B
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- Prior art keywords
- opening
- truck
- slide
- slideway
- closing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D39/00—Wagon or like covers; Tarpaulins; Movable or foldable roofs
- B61D39/006—Opening and closing means
Abstract
The invention relates to a top cover opening and closing device for a truck, which comprises two groups of opening and closing components respectively arranged at the left side and the right side of a carriage of the truck, wherein the opening and closing components comprise a bracket, an adjusting piece and a slideway fixedly arranged on the bracket, the two slideways are distributed in a splayed shape, and the adjusting piece corresponds to the height of the truck and is used for adjusting the height of the slideway; the top cover of freight train includes two apron that are equipped with the trigger piece, and the support sets firmly in ground, and two slides respectively with two trigger piece looks adaptations, trigger piece can slide along the slide at freight train operation in-process and drive the apron rotation to open or close the top cover. The top cover opening and closing device for the truck has the advantages of simple structure, good applicability and effectively reduced cost.
Description
Technical Field
The invention relates to the technical field of trucks, in particular to a top cover opening and closing device for a truck.
Background
The loading port of the railway coal transporting truck is of an open rectangular structure, and in the transportation process, the truck is fast in running speed and is subjected to the action of wind force, so that the phenomena of dust emission and the like can occur. Not only can the coal transported on the vehicle be lost and the economic benefit be reduced, but also the environment is polluted greatly. In order to reduce the phenomenon of dust emission, each coal conveyor mechanism is additionally provided with a movable top cover on a loading port of a vehicle, and the top cover is opened during loading and unloading and is closed during transportation. Thereby preventing dust emission.
In the prior art, the movable top cover of the truck can be opened and closed by additionally arranging a power and transmission mechanism on each truck, and the truck has the advantages of complex structure, high cost, increased dead weight of the truck and poor economical efficiency.
Therefore, it is a technical problem that needs to be solved by those skilled in the art to provide a roof opening/closing device for a truck that has a simple structure, good applicability, and low cost.
Disclosure of Invention
The invention aims to provide a top cover opening and closing device for a truck, which has simple structure, good applicability and effectively reduced cost.
In order to solve the technical problems, the invention provides a top cover opening and closing device for a truck, which comprises two groups of opening and closing components respectively arranged at the left side and the right side of a carriage of the truck, wherein the opening and closing components comprise a bracket, a limiting part and slide ways fixedly arranged on the bracket, the bracket is fixedly arranged on the ground, the two slide ways are distributed in a splayed shape, and the adjusting part corresponds to the height of the truck and is used for adjusting the height of the slide ways; the top cover of the truck comprises two cover plates provided with trigger pieces, the two slide ways are respectively matched with the two trigger pieces, and the trigger pieces can slide along the slide ways and drive the cover plates to rotate in the running process of the truck so as to open or close the top cover.
Specifically, when the top cover needs to be opened, the truck passes through between the two groups of opening and closing assemblies, the trigger piece slides from the first end part to the second end part of the slideway, and the two trigger pieces drive the two cover plates to slide along the two slideways, so that the two cover plates respectively rotate outwards around the rotation axes of the two cover plates (wherein, the outside refers to one side of one cover plate far away from the other cover plate, and the inside refers to one side of one cover plate facing the other cover plate), and the opening angle of the two cover plates is larger and larger until the top cover is completely opened; when the top cover is required to be closed, the top cover opening and closing device can be reversely placed, the state when the top cover is about to be opened is rotated for 180 degrees, then the wagon is placed between the two groups of opening and closing components, at the moment, the trigger piece slides from the second end part to the first end part of the slideway, and the two trigger pieces drive the two cover plates to rotate inwards along the two slideways in the sliding process of the two slideways, so that the two cover plates rotate inwards around the rotating axes respectively, the opening angle of the two cover plates is smaller and smaller, and the two cover plates are attached until the two cover plates 21 are completely closed.
The top cover opening and closing device is arranged on the ground, and when a truck passes through the space between the two opening and closing assemblies, the slide ways of the two opening and closing assemblies can respectively act with the two trigger pieces of the top cover so as to realize the opening or closing of the top cover. That is, the top cover opening and closing device can realize opening or closing of the top cover under the action of the top cover opening and closing device in the transportation process of the truck, a driving device is not needed to be additionally arranged, manual operation is not needed, loading and unloading efficiency is improved, meanwhile, the same top cover opening and closing device is arranged on the ground, different truck top covers can be opened or closed, universality is high, stability is good, the whole structure of the truck can be effectively simplified, the truck does not need to be provided with power and a transmission mechanism to realize opening and closing of the top cover, the whole weight of the truck is reduced, and cost is reduced.
In addition, the opening and closing assembly further comprises an adjusting piece corresponding to the height of the truck, and the adjusting piece corresponding to the height of the truck is selected as a scale for adjusting the height of the slideway, so that the slideway can be matched with the triggering piece of the truck to realize opening or closing of the top cover. The arrangement of the adjusting member can further improve the applicability of the roof opening and closing device.
Optionally, the slide includes first slide rail and second slide rail, first slide rail is located the inboard of second slide rail, trigger piece can slide between first slide rail and the second slide rail.
Optionally, the opening and closing assembly further comprises a buffer piece, the buffer piece is arranged between the slide ways and the support, one ends, close to the slide ways, of the two slide ways are first end parts, one ends, far away from the slide ways, of the two slide ways are second end parts, and the slide ways can rotate around the second end parts of the slide ways relative to the support.
Optionally, the support is equipped with fixed orifices and arc hole, the slide is equipped with two fixed columns, orientation the fixed column and the fixed orifices swivelling joint of second tip, orientation the fixed column of first tip can be followed in the arc hole slides.
Optionally, the support includes the support and locates the hanger plate and the drive arrangement of support, the hanger plate with the slide is fixed, drive arrangement can drive the hanger plate and according to the regulating part is in order to adjust the height of slide.
Optionally, the adjusting piece is located between the support and the hanging plate, and the driving device drives the hanging plate to enable the bottom end of the hanging plate to be abutted with the top of the adjusting piece.
Optionally, a reinforcing plate is further arranged between the hanging plate and the driving device.
Optionally, the driving device is an air cylinder, and the top end of a push rod of the air cylinder is detachably connected with the hanging plate.
Optionally, the trigger piece is provided with a roller, the roller rolls along the slideway, and an included angle between the axis of the roller and the plane where the slideway is located is 0-30 degrees.
Optionally, the two groups of opening and closing components are symmetrically arranged at the left side and the right side of the carriage of the truck.
Drawings
Fig. 1 is a schematic structural view of a lid opening/closing device according to an embodiment of the present invention, in cooperation with a lid in a closed state;
fig. 2 is a schematic structural view of a roof opening/closing device according to an embodiment of the present invention, in cooperation with a roof in an opened state;
fig. 3 is an enlarged view of P in fig. 2;
fig. 4 is a plan view of the roof opening/closing device for opening the roof;
FIG. 5 is a schematic view of the structure of the ramp of FIG. 4;
fig. 6 is a plan view of the roof opening and closing device for closing the roof;
fig. 7 is a schematic view of the structure of the slide of fig. 6.
In fig. 1-7, the reference numerals are as follows:
1-carriage; 21-cover plate, 22-trigger piece, 221-roller, 23-support piece, 231-hinge point; 31-slide ways, 311-first slide ways, 312-second slide ways, 313-fixed columns; 321-supporting seats, 322-hanging plates, 323-pushing rods and 324-reinforcing plates; 33-cushioning member; 34-adjusting member.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 7, fig. 1 is a schematic structural diagram of a lid opening/closing device according to an embodiment of the present invention, which is matched with a lid in a closed state; fig. 2 is a schematic structural view of a roof opening/closing device according to an embodiment of the present invention, in cooperation with a roof in an opened state; fig. 3 is an enlarged view of P in fig. 2; fig. 4 is a plan view of the roof opening/closing device for opening the roof; FIG. 5 is a schematic view of the structure of the ramp of FIG. 4; fig. 6 is a plan view of the roof opening and closing device for closing the roof; fig. 7 is a schematic view of the structure of the slide of fig. 6.
The embodiment of the invention provides a top cover opening and closing device for a truck, wherein as shown in fig. 1 and 2, the top cover of the truck comprises two groups of cover plate 21 assemblies respectively arranged at the left side and the right side of a carriage 1 of the truck, and the top ends of the carriage 1 can be covered after the two groups of cover plate 21 assemblies are closed; each group of cover plate 21 components respectively comprises a cover plate 21 and two supporting pieces 23 which are respectively arranged at two ends of the cover plate 21, one end of each supporting piece 23 is hinged with the end part of the carriage 1, the other end of each supporting piece is connected with the cover plate 21, and the connecting line between the two supporting pieces 23 and the hinging point 231 between the carriage 1 forms a rotating axis of the cover plate 21 component, that is, the cover plate 21 component can rotate around the connecting line between the two supporting pieces 23 and the hinging point 231 between the carriage 1, each group of cover plate 21 components also comprises a triggering piece 22 which is arranged at the top end of the cover plate 21, and the triggering piece 22 can be matched with a top cover opening and closing device arranged on the ground and can drive the cover plate 21 to rotate around the rotating axis under the action of the top cover opening and closing device.
As shown in fig. 1 and fig. 2, the roof opening and closing device includes two sets of opening and closing components disposed on the left and right sides of a wagon compartment 1, where the two sets of opening and closing components respectively correspond to two sets of cover plate 21 components of the roof, each set of opening and closing components includes a bracket and a slide rail 31, the bracket is fixedly disposed on the ground, the slide rail 31 is fixedly disposed on the bracket, and the two slide rails 31 are distributed in a splayed shape, i.e., one ends (first ends) of the two slide rails 31 are close, and the other ends (second ends) are far away, the slide rail 31 of the opening and closing component can be matched with the trigger piece 22 of the cover plate 21 component, so that the trigger piece 22 can slide along the slide rail 31 and drive the cover plate 21 to rotate around its rotation axis in the process of the wagon operation, thereby realizing the opening and closing of the roof.
Specifically, when the top cover needs to be opened, as shown in fig. 1, 4 and 5, wherein the arrow direction indicates the forward direction of the truck, the truck passes between the two sets of opening and closing assemblies, the trigger piece 22 slides from the first end to the second end of the slide way 31, and the trigger piece 22 drives the cover plates 21 to slide along the two slide ways 31, so that the cover plates 21 rotate outwards around the rotation axes thereof (wherein, the outside means one side of one cover plate 21 far away from the other cover plate 21, and the corresponding inside means one side of one cover plate 21 facing the other cover plate 21), and the opening angle of the two cover plates 21 is larger and larger until the top cover is completely opened; when the roof needs to be closed, as shown in fig. 2, 3, 6 and 7, the direction of the arrow indicates the forward direction of the truck, the roof opening and closing device is reversely placed, the state when the roof is to be opened is rotated 180 degrees and then placed, the truck passes between two groups of opening and closing components, at this time, the trigger piece 22 slides from the second end to the first end of the slideway 31, and the trigger piece 22 drives the cover plates 21 to rotate inwards around the rotation axis in the sliding process of the slideway 31, so that the opening angle of the two cover plates 21 is smaller and smaller until the two cover plates 21 are attached and the roof is completely closed.
The roof opening and closing device is arranged on the ground, and when a truck passes through the space between the two opening and closing assemblies, the slide ways 31 of the two opening and closing assemblies can respectively act with the two trigger pieces 22 of the roof to realize the opening or closing of the roof. That is, the top cover opening and closing device can realize opening or closing of the top cover under the action of the top cover opening and closing device in the transportation process of the truck, a driving device is not needed to be additionally arranged, manual operation is not needed, loading and unloading efficiency is improved, meanwhile, the same top cover opening and closing device is arranged on the ground, different truck top covers can be opened or closed, universality is high, stability is good, the whole structure of the truck can be effectively simplified, the truck does not need to be provided with power and a transmission mechanism to realize opening and closing of the top cover, the whole weight of the truck is reduced, and cost is reduced.
In addition, the opening and closing assembly further comprises an adjusting piece 34 corresponding to the height of the truck, and the adjusting piece 34 corresponding to the height of the truck is selected as a scale for adjusting the height of the slideway 31 according to different truck heights, so that the slideway 31 can be matched with the triggering piece 22 of the truck to realize the opening or closing of the top cover. The provision of the regulating member 34 can further improve the applicability of the roof opening/closing device.
In the above embodiment, the slide rail 31 includes the first slide rail 311 and the second slide rail 312, wherein the first slide rail 311 is disposed inside the second slide rail 312, that is, two first slide rails 311 are disposed between two second slide rails 312, and the distance between the first slide rail 311 and the second slide rail 312 is not smaller than the width of the trigger 22, so that the trigger 22 can slide between the first slide rail 311 and the second slide rail 312.
Specifically, as shown in fig. 5, the direction indicated by the arrow is the direction of the truck running, during the opening process of the top cover, the sliding track of the roller 221 along the slideway 31 provided on the trigger piece 22 is a1-b1-c1, after the roller 221 slides along the a1 position of the first slideway 311 until the cover plate 21 is located at the critical position b1 of the center of gravity (the center of gravity of the cover plate 21 is in the same vertical plane with the rotation axis), the cover plate 21 can rotate outwards around the rotation axis under the action of the gravity of the cover plate 21, and at this time, the trigger piece 22 slides along the second slideway 312 until the top cover is completely opened by c 1; in the closing process of the top cover, as shown in fig. 7, the direction indicated by the arrow is the direction of the truck running, the sliding track of the roller 221 along the slideway 31 is a2-b2-c2, and after the roller 221 slides along the a2 position of the second slideway 312 until the cover 21 is located at the gravity center critical position b2, the cover 21 can rotate inwards around the rotation axis thereof under the action of the gravity of the roller 21, and at this time, the trigger 22 slides along the first slideway 311 until the top cover is completely closed by c 2.
Of course, in the present embodiment, if the roof opening/closing device is used for opening the roof, the slide rail 31 may only include the first slide rail 311, if the roof opening/closing device is used for closing the roof, the slide rail 31 may only include the second slide rail 312, and the structure of the slide rail 31 including the first slide rail 311 and the second slide rail 312 may enable the cover 21 to play a role of buffering and protecting the cover 21 after rotating to the critical position of the center of gravity, so as to avoid damage caused by sudden falling under the action of gravity and top collision of the carriage 1.
In addition, the first sliding rail 311 and the second sliding rail 312 may be formed as a sliding groove structure, that is, two side walls of the sliding groove respectively form the first sliding rail 311 and the second sliding rail 312, or the first sliding rail 311 and the second sliding rail 312 may be provided as a split structure, which is not specifically required herein. In addition, in this embodiment, the lengths of the first sliding rail 311 and the second sliding rail 312 may be the same or different, as shown in fig. 5, when the roof opening/closing device is used for opening the roof, the length of the second sliding rail 312 may be shorter and located at one side of the second end of the first sliding rail 311, and, as shown in fig. 7, when the roof opening/closing device is used for closing the roof, the length of the first sliding rail 311 may be shorter and located at one side of the first end of the second sliding rail 312, so as to reduce the overall material consumption, reduce the overall weight, and achieve good economy. Specifically, the length between the first sliding rail 311 and the second sliding rail 312 is related to the included angle between the first sliding rail 311 and the second sliding rail 312, the center of gravity of the cover 21, and the rotation axis, and may be set according to actual needs, which is not required herein.
In the above embodiment, as shown in fig. 3 and 6, the opening and closing assembly further includes a buffer member 33, where the buffer member 33 is disposed between the slide 31 and the bracket, and the slide 31 is rotatable about the second end thereof with respect to the bracket, and specifically, when the roof opening and closing device is used for closing the roof, the buffer member 33 can abut against the slide 31 so as not to rotate during the closing process when the goods normally have no resistance to the closing of the roof; if the load exceeds the range of closing the top cover, at this time, the closing of the top cover is blocked, i.e. the cover plate 21 is rotated inwards to overcome the resistance caused by the load, and the resistance will tend to push the slide rail 31 (the second slide rail 312) to rotate outwards, at this time, the slide rail 31 can rotate outwards around the second end thereof and compress the buffer member 33, so that the rigid collision between the slide rail 31 and the trigger member 22 is avoided to damage the slide rail 31 or the trigger member 22, and the service life is prolonged.
Specifically, the buffer member 33 may be provided in each of the opening/closing units, that is, whether the roof opening/closing device is used for opening or closing the roof, the buffer member 33 may be provided so that the roof opening/closing device has good versatility, or only the roof opening/closing device used for closing the roof may be provided with the buffer member 33, which is economical. Specifically, the specific structure of the buffer member 33 is not limited, and may be a spring or other elastic member such as rubber, which is provided in a compressed state.
In the above embodiment, the support is provided with the fixing hole and the arc hole, the slide 31 is provided with two fixing columns 313, the fixing column 313 facing the second end of the slide 31 is rotatably connected with the fixing hole of the support, and the fixing column 313 facing the first end of the slide 31 can slide along the arc hole, so that the slide 31 can rotate around the second end of the slide relative to the support. Specifically, when the slide way 31 is in a chute structure, the fixing column 313 can be arranged at the bottom of the chute, at this time, the chute is in an inverted state, the bottom of the chute is fixed with the bracket, and the opening of the chute is downward matched with the trigger piece 22; when the slide way 31 has the structure of the first slide rail 311 and the second slide rail 312 that are independent of each other, a connecting plate can be disposed between the first slide rail 311 and the second slide rail 312, and the fixing column 313 can be disposed on the connecting plate.
Of course, in this embodiment, the connection manner between the slideway 31 and the bracket is not particularly limited, for example, the second end of the slideway 31 can be rotatably connected with the fixing hole of the bracket through the fixing post 313, the first end of the slideway 31 is provided with a slider, the bracket is provided with a track adapted to the slider, and the slider can slide along the track, so that the slideway 31 can rotate around the second end of the bracket relative to the bracket. The structure of the fixing column 313, the fixing hole and the arc hole can simplify the whole structure and simplify the processing technology.
In addition, when the roof opening/closing device is used for opening the roof, the slide rail 31 and the bracket can be fixed by bolting or the like without providing the buffer, that is, the two do not need to rotate relatively.
In the above embodiment, the bracket includes the support 321, the hanger plate 322 disposed on the support 321, and the driving device, where the hanger plate 322 is fixed to the slide way 31, and the driving device can drive the hanger plate 322 to adjust the height of the slide way 31 according to the adjusting member 34. That is, in the present embodiment, the driving device can drive the hanger plate 322 to drive the slide rail to move up and down, and specifically adjust the slide rail 31 to a desired height according to the adjusting member 34, so that the truck type of which the top cover is to be opened and closed is adapted. The adjustment of the height of the slide 31 by the driving means is more convenient to operate than by manual adjustment.
In the above embodiment, the adjusting member 34 is located between the support 321 and the hanger plate 322, and the driving device drives the hanger plate 322 so that the bottom end of the hanger plate 322 abuts against the top of the adjusting member 34. Specifically, when the roof opening and closing device is adjusted, the lifting plate 322 is driven by the driving device to drive the slideway 31 to move upwards, the adjusting piece 34 corresponding to the height of the truck for opening and closing the roof is placed on the support 321, the lifting plate 322 falls down to enable the lower surface of the lifting plate to be abutted to the top end of the adjusting piece 34, at this time, the slideway 31 can be matched with the triggering piece 22 of the truck roof, and if the triggering piece 22 is provided with the roller 221, the roller 221 is tangent to the plane where the slideway 31 is located. The adjusting member 34 is provided to facilitate the rapid adjustment of the roof opening/closing device, and is convenient to operate, time-saving and efficient.
In the above embodiment, the reinforcing plate 324 is further disposed between the hanger plate 322 and the driving device, one end of the hanger plate 322 is fixed to the driving device, the other end is suspended and fixed to the sliding rail 31, and the strength of connection between the hanger plate 322 and the driving device can be enhanced by the arrangement of the reinforcing plate 324, so that the hanger plate 322 in a suspended state is prevented from being damaged when the sliding rail 31 is stressed greatly.
In the above embodiment, the driving device is an air cylinder, and the top end of the push rod 323 of the air cylinder is detachably connected with the hanger plate 322, so that the air cylinder can be conveniently detached and replaced after being failed. The connection between the top end of the push rod 323 and the hanger plate 322 is not particularly limited, and may be a bolt connection or a pin connection, and if a pin connection is used, the reinforcement plate 324 may also be used to prevent the hanger plate 322 from rotating. Of course, the driving device in this embodiment may also be a hydraulic cylinder or a screw structure, and the like, and is not limited thereto.
In the above embodiment, the trigger 22 is provided with the roller 221, the roller 221 rolls along the slideway 31, and the included angle (the included angle a shown in fig. 1) between the axis of the roller 221 and the plane of the slideway 31 is 0-30 °, so as to ensure that the roller 221 can slide along the slideway 31 smoothly. Of course, the smaller the angle a, the better, and when the angle a is 0 °, the outer side wall of the roller 221 is tangent to the plane of the slideway 31.
In the above embodiment, the two sets of opening and closing assemblies are symmetrically arranged on the left and right sides of the truck, and at this time, the two triggering pieces 22 of the corresponding top cover are symmetrically arranged on the left and right sides of the truck, so that the overall structure is regular and the universality is good.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (9)
1. The top cover opening and closing device for the truck is characterized by comprising two groups of opening and closing assemblies which are respectively arranged at the left side and the right side of a carriage (1) of the truck, wherein each opening and closing assembly comprises a bracket, an adjusting piece (34) and a slideway (31) arranged on the bracket, the brackets are fixedly arranged on the ground, the two slideways (31) are distributed in a splayed shape, and the adjusting piece (34) corresponds to the height of the truck and is used for adjusting the height of the slideway (31);
the top cover of the truck comprises two cover plates (21) provided with trigger pieces (22), two slide ways (31) are respectively matched with the two trigger pieces (22), and the trigger pieces (22) can slide along the slide ways (31) and drive the cover plates (21) to rotate in the running process of the truck so as to open or close the top cover;
the slideway (31) comprises a first slideway (311) and a second slideway (312), the first slideway (311) is arranged on the inner side of the second slideway (312), and the trigger piece (22) can slide between the first slideway (311) and the second slideway (312);
when the top cover is opened, after the trigger piece (22) slides along the first sliding rail (311) to the position that the cover plate (21) is positioned at the gravity center critical position, the cover plate (21) can rotate outwards around the rotation axis under the action of gravity of the trigger piece, so that the trigger piece (22) slides along the second sliding rail (312) until the top cover is completely opened;
in the closing process of the top cover, after the trigger piece (22) slides along the second sliding rail (312) until the cover plate (21) is located at the gravity center critical position, the cover plate (21) can rotate inwards around the rotating axis of the cover plate under the action of gravity of the cover plate, so that the trigger piece (22) slides along the first sliding rail (311) until the top cover is completely closed.
2. The roof opening/closing device for a truck according to claim 1, wherein the opening/closing unit further comprises a buffer member (33), the buffer member (33) is disposed between the slide (31) and the bracket, one end of each of the two slide (31) close to the opening/closing unit is a first end, the other end is a second end, and the slide (31) is rotatable about the second end with respect to the bracket.
3. The roof opening/closing device for a truck according to claim 2, wherein the bracket is provided with a fixing hole and an arc hole, the slide (31) is provided with two fixing posts (313), the fixing post (313) toward the second end is rotatably connected with the fixing hole, and the fixing post (313) toward the first end is slidable along the arc hole.
4. A roof opening and closing device for a truck according to any one of claims 1 to 3, characterized in that the bracket comprises a support (321), a hanger plate (322) provided on the support (321), the hanger plate (322) being fixed to the slide (31), and a driving device capable of driving the hanger plate (322) and adjusting the height of the slide (31) according to the adjusting member (34).
5. The roof opening/closing device for a truck according to claim 4, wherein the regulating member (34) is located between the support (321) and the hanger plate (322), and the driving means drives the hanger plate (322) such that a bottom end of the hanger plate (322) abuts against a top of the regulating member (34).
6. The roof opening/closing device for a truck according to claim 4, wherein a reinforcing plate (324) is further provided between the hanger plate (322) and the driving means.
7. The roof opening/closing device for a truck according to claim 4, wherein the driving means is a cylinder, and a top end of a push rod (323) of the cylinder is detachably connected to the hanger plate (322).
8. A roof opening and closing device for trucks according to any one of claims 1 to 3, characterized in that the trigger (22) is provided with a roller (221), the roller (221) rolls along the slideway (31), and the angle between the axis of the roller (221) and the plane of the slideway (31) is 0-30 °.
9. A roof opening and closing device for a freight car according to any one of claims 1 to 3, wherein two sets of the opening and closing members are symmetrically provided on both left and right sides of a compartment (1) of the freight car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811160639.0A CN109017851B (en) | 2018-09-30 | 2018-09-30 | Top cover opening and closing device for truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811160639.0A CN109017851B (en) | 2018-09-30 | 2018-09-30 | Top cover opening and closing device for truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109017851A CN109017851A (en) | 2018-12-18 |
| CN109017851B true CN109017851B (en) | 2023-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811160639.0A Active CN109017851B (en) | 2018-09-30 | 2018-09-30 | Top cover opening and closing device for truck |
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| CN (1) | CN109017851B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110001691B (en) * | 2019-04-25 | 2020-04-24 | 中车齐齐哈尔车辆有限公司 | Open wagon, movable top cover and driving device thereof |
| CN110203228A (en) * | 2019-06-25 | 2019-09-06 | 神华铁路货车运输有限责任公司 | The control method of movable cover device and movable cover device |
| CN110371150B (en) * | 2019-07-31 | 2021-06-15 | 株洲华盛实业有限公司 | Method for opening and closing top cover of freight open wagon |
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Also Published As
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|---|---|
| CN109017851A (en) | 2018-12-18 |
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