CN107735304B - Automatic cover device for open wagon - Google Patents
Automatic cover device for open wagon Download PDFInfo
- Publication number
- CN107735304B CN107735304B CN201680039458.5A CN201680039458A CN107735304B CN 107735304 B CN107735304 B CN 107735304B CN 201680039458 A CN201680039458 A CN 201680039458A CN 107735304 B CN107735304 B CN 107735304B
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- CN
- China
- Prior art keywords
- cover
- opening
- closing
- convertible
- guide
- 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.)
- Expired - Fee Related
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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
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
- E05F15/643—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by flexible elongated pulling elements, e.g. belts, chains or cables
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Handcart (AREA)
Abstract
The invention relates to an automatic cover device for a convertible truck. The present invention is characterized by comprising: a cover part provided with a cover for opening and closing the upper part of a cargo box of the open wagon; opening and closing devices respectively provided in front and rear of the convertible wagon, and coupled to both ends of the hood to support opening and closing operations of the hood; and a driving device including a wire member for operating the opening and closing device, an opening and closing driving part for supporting unwinding and winding operations of the wire member, a driving motor for supplying a rotational force to the opening and closing driving part, and a power supply part for inputting a power to the driving motor. According to the present invention, the upper part of the cargo box can be opened and closed by the installation even in a state that the equipment of the existing open wagon is not modified or removed, so that the installation and maintenance cost of the automatic cover device can be reduced.
Description
Technical Field
The invention relates to an automatic cover device for a convertible truck. More particularly, the present invention relates to an automatic cover device for a convertible: the upper part of the container can be opened and closed by the arrangement under the state that the equipment of the existing open wagon is not modified or removed, so that the loading and unloading work of the goods is not hindered, the pollution to the surrounding environment caused by scattered dust of the loaded goods can be prevented when the open wagon runs, the loaded goods can be protected from rain, snow and wind, and particularly, the accidental fire accidents of the goods with anthracite, bituminous coal and the like as ignition substances can be prevented.
Background
In general, a convertible truck is all vehicles that do not have a cover provided on an upper portion of a cargo box of the vehicle, for transporting anthracite, ore, aggregate, steel, gravel, etc., that does not have a risk of contamination with dust or rain or an ignition when exposed.
Compared with a cap wagon, the open wagon has the advantages of easy loading and unloading of goods and low manufacturing cost of the wagon, but has the problem that the surrounding environment is possibly polluted because goods such as anthracite loaded on the wagon are blown away by wind, and is difficult to adopt because the goods such as anthracite are difficult to load and unload when the goods such as anthracite are conveyed by the cap wagon.
Therefore, there is a need to develop a cover device that can be stored when loading and unloading goods and covered when driving, so that the railway convertible goods wagon can simply perform loading and unloading of goods and prevent pollution of the surrounding environment caused by the goods.
As an example, korean utility model No. 20-0282115 discloses a cover device for a convertible wagon, which includes: a cover having a size corresponding to an upper portion of the convertible wagon; a plurality of frames provided at predetermined intervals along a width direction of the cover; guide members provided along both sides of an upper end of the truck in a longitudinal direction; a driving shaft arranged in front of the open wagon, and chain wheels arranged at two ends of the driving shaft; a driven shaft arranged at the rear of the open wagon, and two ends of the driven shaft are respectively provided with a chain wheel; a pair of chains locked to the sprockets of the driving shaft and the driven shaft; a clamping piece which is clamped between the two ends of each frame and the chain in a separable mode; a drive mechanism provided in front of the convertible wagon for rotating the drive shaft; and a cover accommodating space provided at the rear of the convertible wagon for accommodating the accommodated cover.
However, according to the above-mentioned prior art document, since the operator manually operates the cover to open and close the cover, there is a problem that the cover function is lost if a trouble occurs between the respective components when the opening and closing operation is performed along the longitudinal direction of the truck.
Further, when the cover is opened to the outside environment during the travel of the truck, there is a problem that the travel needs to be stopped in order to solve the above problem.
Further, in a plurality of trucks connected to transport a large amount of goods at a time, since it is necessary to manually open and close the trucks one by one each time when loading and unloading the goods, there is a problem that much work time and labor are consumed.
In addition, when raining during traveling, the cover is sagged due to the weight of rainwater or the like because rainwater cannot be discharged to the outside of the cargo box, and this causes a failure of each component for operating the cover, and there is a problem that various foreign substances fastened to the cover are mixed with the load due to the sagging phenomenon of the cover.
Disclosure of Invention
Technical problem
In order to solve the above-described problems, an object of the present invention is to provide an automatic lid device for a convertible: the open upper part of the cargo box of the open wagon can be automatically opened and closed by simple operation of the driving mechanism.
Another object of the present invention is to provide an automatic lid device for a convertible vehicle, comprising: the upper part of the cargo box can be opened and closed by the arrangement under the condition that the equipment of the existing open wagon is not reformed or removed, and the loading and unloading operation of the cargo is not hindered.
Another object of the present invention is to provide an automatic lid device for a convertible vehicle, comprising: when the open wagon is operated, it is possible to prevent the surrounding environment from being polluted by scattered dust of the loaded goods, and to protect the loaded goods from rain, school, and wind, and particularly, to prevent accidental fire accidents of the goods containing anthracite, bituminous coal, or the like as a fire-initiating substance.
Means for solving the problems
The present invention for achieving the above object is characterized by comprising: a cover part provided with a cover for opening and closing the upper part of a cargo box of the open wagon; opening and closing devices respectively provided in front and rear of the convertible wagon, and coupled to both ends of the hood to support opening and closing operations of the hood; and a driving device including a wire member for operating the opening and closing device, an opening and closing driving part for supporting unwinding and winding operations of the wire member, a driving motor for supplying a rotational force to the opening and closing driving part, and a power supply part for inputting a power to the driving motor.
Further, according to the present invention, the lid includes: a cover for opening and closing an upper part of the cargo box; a cover winding unit for winding the cover; a cover case for accommodating the cover and the cover winding unit; a cover connecting shaft provided at a distal end portion of the cover and connected to the opening/closing device; and a cover brush provided on an upper surface of the cover housing, for blocking inflow of foreign substances when the cover is opened and closed.
Further, according to the present invention, the cover includes: a plurality of support ribs and auxiliary ribs for preventing a sagging phenomenon generated by a weight load of a self weight or an external foreign matter when the cargo box is closed; and a plurality of rib fixing units for connecting the cover with the support ribs and fixing the positions of the support ribs.
Further, the present invention is characterized in that the cover connection shaft includes: a rotating shaft connected to the opening/closing device to support the opening/closing operation of the cover; a bearing member for supporting a rotation operation of the rotary shaft; a cover fixing member coupled to a distal end portion of the cover; and a connecting body portion in which the rotating shaft and the bearing member are incorporated.
In addition, the present invention is characterized in that the cover connection shaft further includes a connector for connecting the rotation shaft and the opening/closing device.
In the present invention, the cover case is provided with a cover inlet/outlet hole for pushing and pulling the cover in and out on one side of an upper portion thereof, and an impurity discharge port for discharging rainwater or impurities is formed on a lower end portion thereof.
In addition, the present invention is characterized in that the cover case further includes a sagging prevention member provided at a lower portion of the cover winding unit to prevent the cover from sagging in a curved shape.
Further, according to the present invention, the opening/closing device includes: guide means connected to the hood and the drive device, respectively, for moving the hood in a width direction of the truck in accordance with the drive of the drive device and opening and closing the hood; guide frames respectively provided in front and rear of the convertible wagon, and provided with horizontal gears for guiding operation of the guide units so that the cover is opened and closed; and a dust blocking unit provided at one surface of the guide frame, for blocking inflow of dust or foreign substances of the goods stored in the cargo box.
In addition, the present invention is characterized in that the opening and closing device further includes a cover fixing unit for fixing a position of the cover that has been opened and closed by selectively stopping the operation of the guide unit.
Further, according to the present invention, the cover fixing means includes: a rotating panel which rotates in contact with the guide unit; and a stopper provided at an end of the rotary panel, for stopping the operation of the guide unit after the opening operation or the closing operation of the cover is completed.
Further, according to the present invention, the guide unit includes: a guide rail provided inside the guide frame, for guiding the guide unit to move in a width direction so as to open and close the cover; a guide gear engaged with the horizontal gear to support the guide unit to move in a width direction; a thread fixing shaft which is connected with the thread member and moves along the width direction, and is used for unwinding or winding the thread member; a guide shaft for guiding an opening/closing operation of the cover by connecting the guide unit and the cover; and a support bearing for supporting the guide unit to move along the width direction by rotating.
In addition, the guide frame may further include rail protrusions and rail grooves provided at corresponding positions to support the guide rail to operate.
Further, according to the present invention, the string member includes: a plurality of closing wires which are wound when the cover is closed; and a plurality of opening lines which are wound when the cover is opened.
In addition, the present invention is characterized in that the driving device is provided with a plurality of closing rollers and opening rollers for maintaining the tension of the thread member constant.
In addition, the present invention is characterized in that the opening/closing drive unit includes: a drive gear provided to the drive motor; a speed change gear coupled to the driving gear for changing a rotational speed of the driving motor; a working gear for operating the wire member by receiving a rotational force through a speed change from the speed change gear; and a wire work roller connected to the work gear, and configured to open and close the cover by operating the opening and closing device by unwinding and winding the wire member.
The present invention is characterized in that the drive gear and the transmission gear are configured in a ratio of 1: 10.
In addition, the driving apparatus may further include an external power supply unit for supplying an external power when the power supply unit fails.
Further, the present invention is characterized in that the driving device further includes a wire fixing frame for preventing corrosion by blocking the wire member from being exposed to the outside.
In addition, the driving device may further include a manual operation unit for manually operating the wire member.
In addition, the driving device may further include a display lamp for displaying whether the cover is operated when the opening and closing device is operated.
In addition, the present invention is characterized in that the automatic lid device further includes a drive switch for automatically supplying and cutting off power to the drive device side according to whether the opening and closing device is operated.
ADVANTAGEOUS EFFECTS OF INVENTION
According to the present invention, the cost for installing and maintaining the automatic cover device can be reduced by opening and closing the upper part of the cargo box by the installation without modifying or removing the equipment of the existing open wagon.
Further, according to the present invention, the opening and closing operation of the upper part of the loading platform can be easily performed, the opening and closing operation can be simultaneously operated in the cab of the locomotive running by towing a plurality of connected open trucks, and the convenience of the operation can be improved because the loading and unloading operation of the cargo is not hindered.
Further, according to the present invention, there are effects that the surrounding environment can be prevented from being polluted by dust scattered from loaded goods when the truck is running, the loaded goods can be protected from rain, snow and wind, and in particular, accidental fire accidents of the goods containing anthracite, bituminous coal and the like as ignition substances can be prevented.
Drawings
Fig. 1 is a perspective view schematically showing an automatic cover apparatus for a convertible wagon according to an embodiment of the present invention.
Fig. 2 is a front view schematically showing an automatic cover apparatus for a convertible wagon according to an embodiment of the present invention.
Fig. 3 is a plan view schematically showing an automatic cover device for a convertible truck according to an embodiment of the present invention.
Fig. 4 and 5 are views showing a cover part of an automatic cover device for a convertible truck according to an embodiment of the present invention.
Fig. 6 is a plan view showing a cover part of the automatic cover device for a convertible truck according to the embodiment of the present invention.
Fig. 7 is a perspective view showing an opening and closing device of an automatic cover device for a convertible truck according to an embodiment of the present invention.
Fig. 8 is a sectional view showing an opening and closing device of an automatic cover device for a convertible truck according to an embodiment of the present invention.
Fig. 9 is a view schematically showing a cover locking device of an automatic cover device for a convertible truck according to an embodiment of the present invention.
Fig. 10 is a view showing a manual operation structure of the automatic cover device for a convertible truck according to the embodiment of the present invention.
Fig. 11 is a view showing an automatic opening and closing structure of an automatic cover apparatus for a convertible truck according to an embodiment of the present invention.
Fig. 12 and 13 are views showing the operation state of the wire when the opening and closing device of the automatic lid device for a convertible truck according to the embodiment of the present invention is operated.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, in the process of assigning reference numerals to the constituent elements in the respective drawings, the same constituent elements are assigned the same reference numerals as much as possible even if they appear in different drawings. In the description of the present invention, a detailed description of a related known structure or function will be omitted if it is determined that the detailed description may obscure the gist of the present invention.
Fig. 1 is a perspective view schematically showing an automatic cover apparatus for a convertible wagon according to an embodiment of the present invention, fig. 2 is a front view schematically showing the automatic cover apparatus for a convertible wagon according to an embodiment of the present invention, and fig. 3 is a plan view schematically showing the automatic cover apparatus for a convertible wagon according to an embodiment of the present invention.
As shown in the drawings, the automatic cover apparatus for a convertible wagon of the present invention includes: a lid 110 for winding a lid cover 220, the lid cover 220 opening and closing an upper portion of the cargo box 104 of the convertible truck 102; an opening/closing device 120 provided at both ends of the cargo box 104 of the convertible truck 102 and connected to the cover 110 to support the opening/closing operation of the cover 220; and a driving device 130 configured to connect the opening and closing device 120 to a wire, and to operate the opening and closing device 120 by receiving a predetermined power from a vehicle for towing the truck.
As shown in fig. 4 to 6, the cover 110 includes: a cover 220 coupled to an upper side of the truck 102 for opening and closing an upper portion of the cargo box 104; a cover case 210 for accommodating the cover 220; a cover winding unit 240 for winding the cover 220 so that the cover 220 is rotated to be unwound and wound according to the operation of the opening and closing device 120; and a cover brush 230 for blocking inflow of foreign substances into the cover housing 210 when the cover 220 is opened and closed.
The cover 220 is a structural element extending in the longitudinal direction of the convertible truck 102, and has an area larger than the width area of the cargo box 104, and is used to open or close the entire open upper surface of the cargo box 104.
The cover 220 may be formed of a synthetic resin material such as polyethylene or polypropylene, but is not limited thereto, and is preferably formed of a synthetic resin material composed of a smoke-proof, water-proof, and fire-resistant material.
The cover 220 may include a plurality of support ribs 222 and auxiliary ribs 224 so as to prevent a sagging phenomenon caused by a weight load of a self-weight or an external foreign matter when the cargo box 104 is closed.
The support ribs 222 may include: first support ribs 222a extending along the longitudinal direction of the cover 220; and second support ribs 222b formed at the center of the cover 220 and spaced apart at predetermined intervals in the width direction.
Also, rib fixing units 226 are provided at both ends of the support rib 222, and the rib fixing units 226 are used to connect the cover 220 and the support rib 222 and fix the position of the support rib 222.
The auxiliary ribs 224 may connect the plurality of first support ribs 222a and may further strengthen the fixing force and the supporting force between the cover 220 and the first support ribs 222 a.
The support rib 222 and the auxiliary rib 224 of the present invention may be provided on the lower surface of the cover 220, but are not limited thereto, and may be formed inside the cover 220 formed of a double structure.
The lid member 220 is wound around the lid winding unit 228 as described above, and the tip end portion is connected to the lid connecting shaft 240 via the opening/closing device 120, so that the lid winding unit 228 is unwound and the upper portion of the cargo box 104 is closed when the opening/closing device 120 is operated.
The cover winding unit 228 is rotatably coupled to the cover case 210 at both ends thereof to facilitate unwinding and winding of the cover 220, and is provided with an opening wire 414 of a wire member 410, which will be described later, at one end thereof to be connected thereto, and is rotated to open and close the cover member 220 when the wire member 410 is operated.
As shown in fig. 5, a cover connecting shaft 240 is provided at a distal end portion of the cover 220 so as to be connectable to the opening/closing device 120.
The cover connecting shaft 240 is provided therein with a rotating shaft 244 for operating the cover 220 by being connected to the guide unit 320 of the opening/closing device 120, a bearing member 246 for supporting the rotating operation of the rotating shaft 244 is provided on an inner circumferential surface so as to surround the rotating shaft 244, a connecting body 242 is provided on an outer circumferential surface, and a cover fixing member 250 coupled to a distal end portion of the cover 220 is provided on the connecting body 242.
The cover connecting shaft 240 is provided with a connector 260, and the connector 260 is used for inserting and coupling both ends of the rotating shaft 244 and transmitting the rotation operation of the opening/closing device 120 to the rotating shaft 244 side by the guide unit 320 connecting the rotating shaft 244 and the opening/closing device 120.
That is, the cover 220 of the present invention is housed in the cover case 210 in a state of being wound around the cover winding unit 228, and the end portion thereof is connected to the guide unit 320 of the opening and closing device 120 in a state of being fixed to the cover connecting shaft 240, so that the upper portion of the cargo box 104 of the convertible truck 102 is closed by being unwound from the cover winding unit 228 when the opening and closing device 120 is operated.
The cover case 210 includes: a cover receiving groove 212 coupled to one side of the convertible truck 102 for receiving the cover 220 and the cover winding unit 228; and a cover access hole 214 through which the cover 220 is pushed in and pulled out by the opening and closing device 120.
A plurality of impurity discharge ports 216 are provided at a lower portion of the cap housing 210 at predetermined intervals along a longitudinal direction of the cap housing 210, and the impurity discharge ports 216 are used to prevent the cap cover 220 from being corroded by inflow of rainwater or the like and to prevent rainwater or the like from being fastened to the cap receiving groove 212 of the cap housing 210.
Further, it is preferable that a sagging prevention member 218 is further provided in the cover receiving groove 212 of the cover housing 210, and the sagging prevention member 218 prevents the central portion of the cover 220, which is wound around and provided at the lower portion of the cover winding unit 228, from sagging in a curved shape due to the weight.
At this time, the sagging prevention member 218 may be in the form of a roller so as not to interfere with the rotation operation of the cover winding unit 228, but is not limited thereto.
A cover brush 230 is provided at one end of the upper portion of the cover housing 210, and the cover brush 230 prevents various foreign substances located on the upper portion of the cover housing 220 from flowing into the cover housing 210 when the cover housing 220 is wound.
The cover brush 230 is closely attached to the upper surface of the cover 220, and removes various foreign substances on the upper surface of the cover 220 wound toward the cover winding unit 228 when the container 104 is opened.
As shown in fig. 7 to 9, the opening and closing device 120 is formed at the front and rear portions of the convertible truck 102, respectively, for opening and closing the cover 220, and the opening and closing device 120 includes a guide unit 320 connected to the cover 220 and a guide frame 310 for guiding the operation of the guide unit 320.
The guide unit 320 is a component provided inside the guide frame 310, and the guide unit 320 supports the opening and closing operation of the cover 220 as the truck 120 moves in the width direction by the driving of the driving device 130, which will be described later.
The guide unit 320 includes: a guide rail 322 for guiding the guide unit 320 to move in the width direction; a guide gear 324 engaged with the horizontal gear 314 provided to the guide frame 310; a guide shaft 328 connected to the guide gear 324 and guiding the opening and closing operations of the cover 220 according to the movement of the guide unit 320 in the width direction by connecting the guide unit 320 and the cover 220; and a support bearing 326 for supporting the guide unit 320 to move in the width direction by rotating.
The guide shaft 328 may be coupled to the rotation shaft 244 of the cap coupling shaft 240 through the connector 260, but is not limited thereto, and may be inserted into and coupled to the coupling body portion 242 of the cap coupling shaft 240 to be coupled to the rotation shaft 244.
The guide unit 320 is further provided with a wire fixing shaft 330 connected to the wire member 410 of the driving device 130, and moves in the width direction to unwind or wind the wire member 410.
The guide frame 310 is provided at the front and rear of the convertible truck 102, and has a guide unit 320, a guide hole 318 formed therein for guiding the guide unit 320 to move in the width direction and accommodating the guide unit 320 so as to be movable, and a horizontal gear 314 formed on the bottom surface of the guide hole 318 and engaged with a guide gear 324 of the guide unit 320.
The guide gear 324 and the horizontal gear 314 may be formed of a rack-and-pinion gear, but are not limited thereto.
In the guide frame 310, the rail protrusion 322 and the rail groove 316 are formed at positions corresponding to each other, and the rail protrusion 322 and the rail groove 316 contact the outer circumferential surface of the rail 322 to support the operation of the rail 322.
That is, a rail groove 316 is provided in a guide rail 322 adjacent to the guide gear 324, the rail groove 316 supports the guide rail 322 to rotate, a rail protrusion 312 is provided in the guide rail 322 located at a position corresponding to the rail groove and located at the rear portion of the thread fixing shaft 330, the rail protrusion 312 supports the guide unit 320 to move in the width direction, and the guide unit 320 can be more stably operated as both end portions thereof are guided.
The guide rail 322, the track protrusion 322, and the track groove 316 may be provided in 2 or more along the axial direction of the guide unit 320.
On the other hand, the guide frame 310 of the present invention is further provided with a dust blocking unit 340, and the dust blocking unit 340 blocks the inflow of dust or foreign substances of the goods stored in the loading box 104 into the guide hole 318.
Preferably, the dust intercepting means 340 is formed of a brush having an end portion contacting the outer circumferential surface of the guide shaft 328.
The guide frame 310 may be provided with a cover fixing unit 350, and the cover fixing unit 350 may selectively stop the operation of the guide unit 320 to restrict the movement in the width direction and restrict the opening and closing operation of the cover 220 connected to the guide unit 320, thereby fixing the position of the cover 220 having been opened and closed and preventing the cargo box 104 from being exposed due to the cover 220 being opened at any time during the operation.
As shown in fig. 9, the cover fixing unit 350 includes: a rotation panel 352 rotatably coupled to the guide frame 310 and rotating to contact the guide unit 320; and a stopper 354 provided at an end of the rotation panel 352, for controlling a rotation operation of the guide shaft 328 so as to be coupled to an outer circumferential surface of the guide shaft 328 when the rotation panel 352 rotates.
The cover fixing units 350 may be respectively provided at both ends of the guide frame 310, and fix the position of the cover 220 connected to the guide unit 320 by fixing the guide shafts 328 after the opening operation or the closing operation of the cover 220 is completed.
On the other hand, the driving device 130 of the present invention includes: a driving motor 402 directly connected to a power source supplied from a structure of a vehicle for towing a convertible truck, and driven to rotate in a forward direction and a reverse direction when the power source is inputted thereto; a wire member 410 that moves the guide unit 320 of the opening and closing device 120 in the width direction by the rotational operation of the driving motor 402; a plurality of roller members 420, 430 for maintaining a constant tension of the wire member 410; and an opening/closing driving part 440 for unwinding and winding the wire member 410 by receiving the rotational force of the driving motor 402.
The wire member 410 includes: a closing wire 412 that is wound when the closing operation of the cover 220 is performed; and an opening wire 414 that is wound when the cover 220 is opened.
The closing wire 412 has one end connected to the wire work roll 448 of the opening/closing driving part 440 and the other end connected to the wire fixing shaft 330 of the guide unit 320, and moves the guide unit 320 in the width direction to operate the cover 220 when closing the opened upper portion of the loading platform 104.
The automatic cover device for a convertible car according to the present invention includes a plurality of closing rollers 420 so that the tension of the closing wire 412 is maintained constant and the operation is performed smoothly.
The closing roller 420 includes: a first closing roller 422 attached to the truck 102 for performing a first adjustment of the tension of the closing wire 412; and a second closing roller 424 attached to the guide frame 310 for maintaining a tension applied to the other end of the closing wire 412 connected to the guide unit 320.
The other end of the opening thread 414 is connected to the thread roller 448 of the opening/closing driving unit 440, and one end thereof is connected to the thread fixing shaft 330 of the guide unit 320. When the cargo box 104 is opened, the guide unit 320 is moved in the width direction of the cover case 210.
The automatic cover apparatus for a convertible truck of the present invention includes a plurality of opening rollers 430 to maintain tension of the opening wire 414 and to smoothly operate.
The opening roller 430 includes: a first opening roller 432 installed at the convertible wagon 102 for performing a first adjustment of the other end of the opening line 414; and a second opening roller 434 attached to the guide frame 310 and positioned on the cover case 210 side to maintain tension applied to one end of the opening wire 414 connected to the guide unit 320 side.
As shown in fig. 12 and 13, in the thread member 410 described above, when the closing thread 412 is operated, the opening thread 414 is unwound from the thread operating roll 448 and the closing thread 412 is wound by the same amount as the unwinding amount, and the guide unit 320 is supported to move in the width direction.
As shown in fig. 14 and 15, when the opening thread 414 is operated in the thread member 410, the closing thread 412 is unwound from the thread operating roll 448, and the opening thread 414 is wound by the same amount as the unwinding amount and the guide unit 320 is moved in the width direction, thereby opening the upper portion of the container 104.
The automatic lid device for a convertible truck according to the present invention is provided with an opening/closing driving unit 440, and the opening/closing driving unit 440 is connected to the driving motor 402, and operates the wire member 410 based on the rotational force transmitted from the driving motor 402 to open/close the lid cover 220.
The opening/closing driving part 440 includes: a drive gear 442 provided to the drive motor 402; a speed change gear 444 coupled with the driving gear 442, receiving the rotational force of the driving motor 402 from the driving gear 442, and changing the received rotational force; a working gear 446 that operates the wire member 410 by receiving a rotational force through shifting from the speed change gear 444; and a wire work roll 448 connected to the work gear 446 to unwind and wind the wire member 410.
Among them, it is preferable that the gear values of the driving gear 442 and the speed change gear 444 are constituted in a ratio of 1: 10.
In the case where the ratio of the driving gear 442 to the speed change gear 444 is less than 1:10, the opening and closing operation of the cover 220 is performed at a high speed while a malfunction between the gears may occur, and in the case where the ratio of the driving gear 442 to the speed change gear 444 is greater than 1:10, the opening and closing operation of the cover 220 is performed at an extremely low speed, and therefore, in the present invention, the optimum ratio of the driving gear 442 to the speed change gear 444 is 1: 10.
On the other hand, the driving device 130 of the present invention further includes: a power supply part 450 connected to a power source supplied from a vehicle for towing the trucks, and connected to a power source connection part provided to each truck, for inputting a power source to the driving motor 402; and an external power supply part 460 for supplying an external power when the power supply part 450 is failed.
The driving device 130 of the present invention as described above is further provided with the wire fixing frame 140, and the wire fixing frame 140 prevents corrosion by preventing the wire member 410 from being exposed to the outside.
As shown in fig. 10, the driving device 130 of the present invention configured as described above is further provided with a manual operation unit 470 so that the cover 220 can be opened and closed by manual operation.
The manual operation unit 470 is provided at one side of the operation gear 446, and is configured to manually open and close the cover 220 when the cover 220 cannot be opened and closed due to a failure of the driving motor 402, and the manual operation unit 470 includes: a manual gear 474 for selectively meshing with the working gear 446 to rotate the working gear 446; and an operation knob 476 provided to the manual gear 474 for transmitting a predetermined rotational force to the manual gear 474 side.
The manual operating unit 470 includes an operating plate 442, and the operating plate 442 is used to couple and decouple the manual gear 474 and the operating gear 446 so that the manual gear 474 is engaged with and disengaged from the operating gear 44 only when manual operation is required.
The automatic lid device for a convertible car according to the present invention further includes a display lamp 478, and when the manual operation part 470 performs an opening and closing operation of the lid cover 220, the display lamp 478 displays the opening and closing operation.
Note that, it is preferable that the display lamp 478 not only displays the operation of the manual operation unit 470, but also displays whether or not the operation is performed by emitting light when the cover 220 is opened or closed by inputting power to the driving motor 402.
In the automatic lid device for a convertible, power is supplied to the driving motor 402 through the driving switch 150.
The driving switch 150 may be a remote controller type including a power supply button, a power supply cutoff button, and the like, or may be a normal limit switch type that determines whether or not to supply power depending on whether or not to contact the guide unit 320.
For example, as shown in fig. 11, the driving switch 150 of the present invention is located on the guide frame 310, and the driving switch 150 includes: a driving plate 510 disposed at an end of the guide frame 310 and contacting the guide unit 320; and a power switch 540 provided at an end of the driving board 510, for turning on or off power supply according to whether the driving board 510 is operated.
A rotation link 512 may be provided on one surface of the driving plate 510, and when the guide unit 320 is brought into contact with the driving plate 510, the rotation link 512 rotates the driving plate 510.
The driving plate 510 further includes an elastic body 530 formed of a component such as a spring, and the elastic body 530 returns the driving switch 150 to the home position after the rotation.
In a state where the guide unit 150 is not in contact with the drive switch 150, the drive switch 150 determines that the guide unit 320 is operating, and thus, the supply (ON) of power to the drive motor 402 side is continued, and when the guide unit 320 is in contact with the drive switch, the open/close operation of the cover 220 is determined to be completed, and the supply (OFF) of power to the drive motor 402 side is cut OFF.
The automatic lid device for a convertible truck according to the present invention configured as described above is an invention as follows: the upper part of the container can be opened and closed by the arrangement under the state that the equipment of the existing open wagon is not modified or removed, the loading and unloading work of goods is not hindered, when the open wagon runs, the pollution to the surrounding environment caused by scattered dust of the loaded goods can be prevented, the loaded goods can be protected from rain, snow and wind, and particularly, the accidental fire accidents of the goods with anthracite, bituminous coal and the like as ignition substances can be prevented.
The above description is merely an exemplary description of the technical idea of the present invention, and a person having ordinary skill in the art to which the present invention pertains can make various modifications and variations without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are provided to illustrate the technical idea of the present invention, not to limit the technical idea of the present invention, and the scope of the technical idea of the present invention is not limited by the above-described embodiments. The scope of the invention should be construed as being indicated by the appended claims, and all technical equivalents to the scope of the invention are intended to be embraced therein.
Industrial applicability
The invention relates to an automatic cover device for a truck, which can be used in the field of truck manufacturing industry.
Claims (20)
1. An automatic cover device for a convertible truck, comprising:
a cover part provided with a cover for opening and closing the upper part of a cargo box of the open wagon;
opening and closing devices respectively provided in front and rear of the convertible wagon, and coupled to both ends of the hood to support opening and closing operations of the hood; and
a driving device including a wire member for operating the opening and closing device, an opening and closing driving unit for supporting unwinding and winding operations of the wire member, a driving motor for supplying a rotational force to the opening and closing driving unit, and a power supply unit for supplying a power to the driving motor;
wherein, above-mentioned switching device includes:
guide means connected to the hood and the drive device, respectively, for moving the hood in a width direction of the truck in accordance with the drive of the drive device and opening and closing the hood;
guide frames respectively provided in front and rear of the convertible wagon, and provided with horizontal gears for guiding operation of the guide units so that the cover is opened and closed; and
and a dust blocking unit provided at one surface of the guide frame, for blocking inflow of dust or foreign substances of the goods stored in the container.
2. The automatic cover device for a convertible truck of claim 1, wherein the cover portion comprises:
a cover for opening and closing an upper part of the cargo box;
a cover winding unit for winding the cover and supporting the opening and closing operation of the cover by being connected to the wire member;
a cover case for accommodating the cover and the cover winding unit;
a cover connecting shaft provided at a distal end portion of the cover and connected to the opening/closing device; and
and a cover brush provided on an upper surface of the cover housing to block inflow of the foreign matter when the cover is opened and closed.
3. The automatic lid device for a convertible truck as claimed in claim 2, wherein said cover comprises:
a plurality of support ribs and auxiliary ribs for preventing a sagging phenomenon generated by a weight load of a self weight or an external foreign matter when the cargo box is closed; and
and a plurality of rib fixing units for connecting the cover with the support ribs and fixing the positions of the support ribs.
4. The automatic lid device for a convertible truck as claimed in claim 2, wherein said hood connecting shaft comprises:
a rotating shaft connected to the opening/closing device to support the opening/closing operation of the cover;
a bearing member for supporting a rotation operation of the rotary shaft;
a cover fixing member coupled to a distal end portion of the cover; and
and a connecting body portion in which the rotating shaft and the bearing member are incorporated.
5. The automatic lid device for a convertible truck as claimed in claim 4, wherein said hood connecting shaft further comprises a connector for connecting said rotary shaft and said opening and closing means.
6. The automatic lid device for a convertible truck as claimed in claim 2, wherein a lid access hole for pushing and pulling out the lid cover is formed at one side of an upper portion in the lid housing, and a foreign matter discharge port for discharging rainwater or foreign matter is formed at a lower end portion.
7. The automatic lid device for a convertible truck as claimed in claim 2, wherein said lid housing further comprises a sagging prevention member provided at a lower portion of said lid rolling unit for preventing the lid cover from sagging in a curved form.
8. The automatic lid device for a convertible according to claim 1, wherein the opening and closing device further comprises a lid fixing unit for fixing a position of the lid cover where the opening and closing operation is completed by selectively stopping the operation of the guide unit.
9. The automatic cover device for a convertible truck according to claim 8, wherein the cover fixing unit comprises:
a rotating panel which rotates in contact with the guide unit; and
and a stopper provided at an end of the rotating panel, for stopping the operation of the guide unit after the opening operation or the closing operation of the cover is completed.
10. The automatic lid device for a convertible truck according to claim 1, wherein the guide unit comprises:
a guide rail provided inside the guide frame, for guiding the guide unit to move in a width direction so as to open and close the cover;
a guide gear engaged with the horizontal gear to support the guide unit to move in a width direction;
a thread fixing shaft which is connected with the thread member and moves along the width direction, and is used for unwinding or winding the thread member;
a guide shaft for guiding an opening/closing operation of the cover by connecting the guide unit and the cover; and
and a support bearing for supporting the guide unit to move along the width direction by rotating.
11. The automatic lid device for a convertible truck as claimed in claim 10, wherein the guide frame further comprises rail protrusions and rail grooves provided at positions corresponding to each other to support the guide rails to operate.
12. The automatic lid device for a convertible truck according to claim 1, wherein the wire member comprises:
a plurality of closing wires which are wound when the cover is closed; and
and a plurality of opening wires which are wound when the cover is opened.
13. The automatic lid device for a convertible according to claim 1, wherein the driving device is provided with a plurality of closing rollers and opening rollers for maintaining a constant tension of the wire member.
14. The automatic lid device for a convertible according to claim 1, wherein the opening/closing driving part comprises:
a drive gear provided to the drive motor;
a speed change gear coupled to the driving gear for changing a rotational speed of the driving motor;
a working gear for operating the wire member by receiving a rotational force through a speed change from the speed change gear; and
and a wire work roller connected to the work gear, and configured to open and close the cover by operating the opening and closing device by unwinding and winding the wire member.
15. The automatic lid device for a convertible truck as claimed in claim 14, wherein the drive gear and the change gear are formed in a ratio of 1: 10.
16. The automatic lid device for a convertible truck as claimed in claim 1, wherein said driving means further comprises an external power supply for supplying an external power when said power supply is failed.
17. The automatic lid device for a convertible according to claim 1, wherein the driving means further comprises a wire fixing frame for preventing corrosion by blocking the wire member from being exposed to the outside.
18. The automatic lid device for a convertible truck as claimed in claim 1, wherein said driving means further comprises a manual operating portion for manually operating said wire member.
19. The automatic lid device for a convertible according to claim 1, wherein said driving means further comprises a display lamp for displaying whether said lid cover is operated or not when said opening and closing means is operated.
20. The automatic lid device for a convertible cargo vehicle according to claim 1, further comprising a drive switch for automatically supplying and cutting off power to the drive device side according to whether the opening and closing device is operated.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150104204A KR101607813B1 (en) | 2015-07-23 | 2015-07-23 | Automatic door system for uncovered freight train |
| KR10-2015-0104204 | 2015-07-23 | ||
| PCT/KR2016/007835 WO2017014531A1 (en) | 2015-07-23 | 2016-07-19 | Automatic cover device for open-top freight car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107735304A CN107735304A (en) | 2018-02-23 |
| CN107735304B true CN107735304B (en) | 2020-01-17 |
Family
ID=55800703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680039458.5A Expired - Fee Related CN107735304B (en) | 2015-07-23 | 2016-07-19 | Automatic cover device for open wagon |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2018528122A (en) |
| KR (1) | KR101607813B1 (en) |
| CN (1) | CN107735304B (en) |
| WO (1) | WO2017014531A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101607813B1 (en) * | 2015-07-23 | 2016-04-11 | 권병창 | Automatic door system for uncovered freight train |
| KR102224876B1 (en) * | 2019-06-26 | 2021-03-05 | 현대제철 주식회사 | Apparatus for removing foreign substance from traveling rail for continuous ship unloader |
| 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 |
| RU208656U1 (en) * | 2021-09-08 | 2021-12-29 | Общество с ограниченной ответственностью "РЕЙЛКОМПОНЕНТСЕРВИС" | SLIDING ROOF CAR |
| CN117818681A (en) * | 2024-03-04 | 2024-04-05 | 瑞斯特(福建)科技服务有限公司 | A high-load carrying device with a large inclination angle for use in mines |
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2015
- 2015-07-23 KR KR1020150104204A patent/KR101607813B1/en active IP Right Grant
-
2016
- 2016-07-19 JP JP2018523721A patent/JP2018528122A/en active Pending
- 2016-07-19 CN CN201680039458.5A patent/CN107735304B/en not_active Expired - Fee Related
- 2016-07-19 WO PCT/KR2016/007835 patent/WO2017014531A1/en active Application Filing
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| CA1060927A (en) * | 1976-01-27 | 1979-08-21 | Jacob Penner | Truck box cover |
| CN101934797A (en) * | 2010-08-26 | 2011-01-05 | 北京交通大学 | Covered freight trains available for dumpers |
| WO2012074182A1 (en) * | 2010-11-29 | 2012-06-07 | Kim Young Gyu | Device for automatically opening and closing cargo box cover of dump truck |
| CN103121455A (en) * | 2011-11-18 | 2013-05-29 | 西安西达地质技术服务有限责任公司 | Mine car provided with dust cover |
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| WO2017014531A1 (en) * | 2015-07-23 | 2017-01-26 | 권병창 | Automatic cover device for open-top freight car |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017014531A1 (en) | 2017-01-26 |
| CN107735304A (en) | 2018-02-23 |
| JP2018528122A (en) | 2018-09-27 |
| KR101607813B1 (en) | 2016-04-11 |
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