CN210554834U - Cover-pulling device - Google Patents

Abstract

The utility model provides a cover-pulling device, which comprises a stand column, a rotating mechanism and a cover-pulling mechanism, wherein the stand column is fixedly arranged on the ground, and the rotating mechanism is rotatably arranged at the top end of the stand column and can drive the cover-pulling mechanism arranged on the stand column to rotate relative to the stand column; the cover pulling mechanism can stop the movable top cover on the running open wagon so as to open or close the movable top cover. The cover shifting device can open or close the movable top cover at the top of the open wagon by utilizing the self kinetic energy of the open wagon during running, and is simple and reliable in structure and convenient and fast to operate.

Description

Cover-pulling device

Technical Field

The utility model relates to a railway gondola car technical field especially relates to a dial and cover device.

Background

The open type carriage is a wagon carriage without a roof and opened upwards, the number of the carriages in the wagon is the largest, about 30 more than ten thousand open type carriages are shared on the whole railway at present, and the number of the carriages accounts for more than 50% of the total number of the wagons. But raise dust can be produced in the course of transporting the bulk cargo, which affects the environment and causes cargo loss to users. The common method is to cover by using tarpaulin, however, the tarpaulin covering is completed by manpower, the labor intensity of workers is high, and the working efficiency is low. Therefore, some movable top covers capable of sealing the top of the truck are designed in the prior art, however, the movable top covers are opened and closed through a power mechanism arranged on a carriage or through manual operation, and the assembly cost and the assembly difficulty of the movable top covers are increased.

SUMMERY OF THE UTILITY MODEL

Therefore, the cover pulling device is needed to be provided for solving the problems of difficult opening and complex cover pulling device of the existing movable top cover of the railway open wagon.

The above purpose is realized by the following technical scheme:

a flip cover device comprising: the vertical column is fixedly arranged on the ground on the side surface of the track, the rotating mechanism is rotatably arranged at the top of the vertical column, and the rotating mechanism can drive the cover-pulling mechanism to rotate around the vertical column; the cover shifting mechanism is arranged at one end, far away from the upright post, of the rotating mechanism and can stop the movable top cover of the open wagon and enable the movable top cover to be opened or closed. In one embodiment, the cover-pulling device further comprises a lifting mechanism, and the lifting mechanism can drive the cover-pulling mechanism to move up and down.

In one embodiment, the rotating mechanism comprises a rotating arm, a rotating support and a rotating motor, the rotating arm is connected to the upright post through the rotating support, and the rotating motor can drive the rotating support to rotate so as to drive the rotating arm to rotate.

In one embodiment, the cover-pulling device further comprises a gear transmission unit, the gear transmission unit comprises a driving gear arranged on a motor shaft of the rotating motor and a driven gear arranged on the rotating support, and the driving gear drives the driven gear to rotate so as to enable the rotating arm to rotate.

In one embodiment, the gear transmission unit is a two-stage or multi-stage gear transmission.

In one embodiment, the cover-pulling device further comprises a lifting mechanism, the lifting mechanism is arranged on the rotating mechanism, the cover-pulling mechanism is arranged on the lifting mechanism, and the lifting mechanism can drive the cover-pulling mechanism to move up and down.

In one embodiment, the lifting mechanism comprises a lifting frame, a lifting rail, a lifting motor and a screw rod, the lifting rail is fixedly arranged on the rotating mechanism, the lifting frame is provided with the cover-pulling mechanism, and the lifting motor drives the screw rod to rotate so as to drive the lifting frame to slide up and down in the lifting rail.

In one embodiment, the rotating mechanism can drive the rotating arm to rotate clockwise and/or counterclockwise.

In one embodiment, the cover pulling devices are arranged on two sides of the railway track in pairs.

In one embodiment, the cover pulling mechanism is rotatably arranged on the rotating mechanism.

In one embodiment, the upright post is provided with a ladder stand and a guardrail.

The utility model has the advantages that:

the utility model provides a cover-pulling device, which comprises a stand column, a rotating mechanism and a cover-pulling mechanism, wherein the stand column is fixedly arranged on the ground, and the rotating mechanism is rotatably arranged at the top end of the stand column and can drive the cover-pulling mechanism arranged on the stand column to rotate relative to the stand column; the cover pulling mechanism can stop the movable top cover on the running open wagon so as to open or close the movable top cover. The cover shifting device can open or close the movable top cover at the top of the open wagon by utilizing the self kinetic energy of the open wagon during running, and is simple and reliable in structure and convenient and fast to operate.

Drawings

Fig. 1 is a schematic structural view of the cover-pulling device and the movable top cover used in cooperation;

fig. 2 is a perspective view of the cover-pulling device provided by the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

fig. 4 is a schematic structural view of a counterweight mechanism in the cover-pulling device provided by the present invention;

fig. 5 is a schematic structural view of a rotating mechanism in the lid-pushing device according to the present invention.

Wherein:

a top cover unit 100; a cover-pulling device 300; a column 310; a rotating mechanism 320; a rotating arm 321; a rotation support 322; a rotating electric machine 323; a drive gear 324; a driven gear 325; a lid-pulling mechanism 330; a lifting mechanism 340; the lifter frame 341; a lifting rail 342; a lift motor 343; a weight mechanism 350; a first fixed sheave 351; a second fixed sheave 352; a third fixed pulley 353; the elastic member 354; a ladder 380; a guardrail 390; the cargo box 900.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail by the following embodiments in combination with the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The numbering of the components themselves, such as "first", "second", etc., is used herein only to distinguish between the objects depicted and not to have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced mechanism or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 and 2, the present invention provides a cover-pulling device 300, wherein the cover-pulling device 300 is suitable for a railway open wagon provided with a longitudinally split movable top cover for opening or closing the movable top cover on a cargo compartment 900 of the railway open wagon. The utility model provides a dial lid device 300 includes stand 310, rotary mechanism 320 and dials lid mechanism 330: the upright columns 310 are fixedly arranged on the ground at two sides of the track and serve as installation bases of the whole cover shifting device 300; the rotating mechanism 320 is rotatably disposed on the top of the upright post 310, the cap-pulling mechanism 330 is disposed on the rotating mechanism 320, and the rotating mechanism 320 can drive the cap-pulling mechanism 330 to rotate around the upright post 310. The cover-pulling mechanism 330 can stop the stop mechanism on the movable top cover of the top of the open wagon during running so as to complete the opening or closing of the movable top cover.

Further, referring to fig. 5, the rotating mechanism 320 includes a rotating arm 321, a rotating support 322 and a rotating motor 323, the rotating arm 321 is rotatably connected to the upright post 310 through the rotating support 322, the upright post 310 is vertically arranged, the rotating arm 321 is horizontally arranged, the rotating arm 321 can rotate in a horizontal plane, and the rotating motor 323 is used as a power source of the rotating arm 321 and can directly or indirectly drive the rotating arm 321 to rotate through the rotating support 322; the cover-moving mechanism 330 is disposed at one end of the rotating arm 321 far from the upright 310, and the cover-moving mechanism 330 can stop the movable top cover when the open wagon with the movable top cover passes through the tracks with the cover-moving devices 300 on two sides, but does not affect the normal running of the open wagon, so that the movable top cover and the open wagon are displaced relatively to complete the opening or closing of the movable top cover. When the rotating arm 321 rotates to make the tracks parallel, it is called an initial state, and when the rotating arm 321 rotates to above the tracks, it is called an operating state; when the movable top cover does not need to be opened or closed, for example, a vehicle passing on the track is a common truck or other open trucks without the movable top cover, the rotating arm 321 is in an initial state, and as a certain distance is arranged between the upright post 310 and the track and the rotating arm 321 is parallel to the track, the whole cover-pulling device 300 is completely positioned outside the track, and normal running of the vehicle is not affected; when the movable top cover needs to be opened and closed, the rotating mechanism 320 drives the rotating arm 321 to rotate 90 degrees to one side of the track, the rotating arm 321 is positioned above the track, and the cover-pulling device 300 can stop the movable top cover so as to finish the opening or closing of the movable top cover.

Specifically, in the illustrated embodiment, the movable roof of the railway gondola car is a longitudinally split foldable roof, which includes two roof units 100, and a touch head is disposed at a movable end of each roof unit 100, and the touch head extends upward and is higher than other parts of the movable roof. It should be noted that the touch head is the stop mechanism in the above embodiments. When a railway open wagon with a movable top cover enters a bulk cargo station, the movable top cover is in a closed state, when the movable top cover passes through a cover shifting device 300, a rotating arm 321 is in a working state, so that a cover shifting mechanism 330 is positioned above a railway track, the projection parts of the cover shifting device 300 and a touch head in the running direction of the open wagon are overlapped, the cover shifting device 300 can stop the touch head, so that the top cover unit 100 is static relative to the ground, and meanwhile, the open wagon main body still continues to advance, namely, the movable top cover and the open wagon main body are displaced, and the opening of the movable top cover of the railway open wagon is completed in the mode; when the movable top cover is opened to the limit position and cannot move any more, in order to avoid damage to the cover-moving device 300 or the movable top cover caused by the fact that the cover-moving device 300 continues to stop with the contact head, after the movable top cover is completely opened, the rotating mechanism 320 drives the rotating arm 321 to rotate towards one side of the advancing direction of the open wagon, the cover-moving device 300 is driven to be separated from the contact head, and the open wagon and the movable top cover continue to advance. The closing process of the movable top cover is the same.

Preferably, referring to fig. 2, the movable top cap removing device 300 further includes a lifting mechanism 340, and the lifting mechanism 340 is disposed between the rotating mechanism 320 and the cap removing mechanism 330 and can drive the cap removing mechanism 330 to move up and down. Because the railway gondola car is of various types and the types of the movable top covers are different, the touch heads used for touching and forming the backstop on the movable top covers have various heights, in order to adapt to the movable top covers with different heights, the cover-shifting device 300 is also provided with a lifting mechanism 340, and the lifting mechanism 340 can drive the cover-shifting mechanism 330 to move up and down, so that the parts of the cover-shifting device 300 used for stopping the movable top covers are positioned at different heights. Meanwhile, the lifting mechanism 340 can also be lifted at the same time when the movable top cover is completely opened or closed, so that the cover-pulling mechanism 330 is separated from the movable top cover, and the cover-pulling device 300 or the movable top cover is prevented from being damaged.

Specifically, referring to fig. 3, the lifting mechanism 340 includes a lifting frame 341, a lifting rail 342, a lifting motor 343 and a screw rod, the lifting rail 342 is fixedly and vertically disposed at one end of the rotating arm 321 away from the upright 310, the lifting frame 341 is slidably disposed in the lifting rail 342, the screw rod includes a screw rod shaft and a screw rod nut, the screw rod shaft is connected to the lifting motor 343, the screw rod nut is fixedly connected to the lifting frame 341, the lifting motor 343 drives the screw rod shaft to rotate, and the screw rod nut converts the rotation of the screw rod shaft into a linear motion and drives the lifting frame 341 fixedly connected thereto to slide up and down along the lifting rail 342.

Preferably, referring to fig. 5, the cover-pulling device 300 further includes a gear transmission unit. The gear transmission unit includes a driving gear 324 provided at an output end of a motor shaft of the rotating motor 323, and a driven gear 325 provided at an outer circumference of the rotating support 322, the driving gear 324 and the driven gear 325 being engaged with each other. When the rotating motor 323 rotates, the driving gear 324 is driven to rotate, the driving gear 324 drives the driven gear 325 to rotate, the driven gear 325 drives the rotating support 322 to rotate, and the rotating support 322 drives the rotating arm 321 to rotate. Optionally, the rotational support 322 is a bearing.

Preferably, the gear transmission mechanism further comprises one or more transmission gears, the transmission gears are arranged between the driving gear 324 and the driven gear 325, and the driving gear 324, the transmission gears and the driven gear 325 are meshed with each other. The gear transmission unit formed by the multi-stage transmission gear can drive the rotating mechanism 320 to rotate by smaller driving force, the rated output power of the corresponding rotating motor 323 is reduced, and the size and the weight of the rotating motor 323 are reduced, so that the size and the weight of the whole cover pulling device 300 are reduced.

Preferably, referring to fig. 2 to 4, the movable top cap-pulling device 300 further includes a counterweight mechanism 350, the counterweight mechanism 350 includes a counterweight unit and a transmission unit, the transmission unit is connected to the counterweight unit, meanwhile, the movable top cap-pulling device 300 includes a cap-pulling arm and a positioning block, one end of the cap-pulling arm is rotatably disposed on the rotating mechanism 320, the other end of the cap-pulling arm is connected to the transmission unit, the positioning block is fixedly disposed on the rotating mechanism 320, and the counterweight unit can apply an acting force to the cap-pulling arm through the transmission unit, so that the cap-pulling arm abuts against the positioning block and is in a vertically.

Preferably, the transmission unit comprises a fixed pulley block and a steel wire rope, one end of the steel wire rope is fixedly connected to the counterweight unit, the other end of the steel wire rope is fixedly connected to the cover pulling arm, the steel wire rope is wound on the fixed pulley block, and the vertical force generated by the counterweight unit is converted into the horizontal force acting on the cover pulling arm through the fixed pulley block.

Preferably, the fixed pulley group comprises a first fixed pulley 351, a second fixed pulley 352 and a third fixed pulley 353, the first fixed pulley 351 is arranged at the upper end of the upright post 310, the second fixed pulley 352 is arranged at the top of the end of the rotating mechanism 320 far away from the upright post 310, the third fixed pulley 353 is arranged at the bottom of the end of the rotating mechanism 320 far away from the upright post 310, and the lower end of the third fixed pulley 353 and the lower end of the cover pulling arm are substantially in the same horizontal plane.

Preferably, the counter weight unit is the balancing weight, and the balancing weight passes through the transmission unit and applys certain effort to dialling the lid arm, and this effort remains unchanged throughout the process of dialling the lid arm rotation for dial the lid arm and keep away from the one end of rotating the junction and always have the trend that is close to the locating piece. When the cover shifting arm is not in contact with the movable top cover, the cover shifting arm always abuts against the positioning block and keeps a vertical state. When the movable top cover is opened and the cover pulling arm is contacted with the movable top cover, the cover pulling arm still does not rotate and keeps a state of abutting against the positioning block because the force for driving the movable top cover to move is smaller than the acting force of the counter weight block on the cover pulling arm; when the activity top cap was opened completely, because the unable continuation motion of activity top cap, it is whole that can be regarded as activity top cap and gondola car, then the power of activity top cap to dialling the lid arm is equivalent to whole gondola car motion and the effort to dialling the lid arm that produces, this effort is far greater than the balancing weight and is exerted in the power of dialling the lid arm, dial the lid arm at this moment and rotate under ordering about of activity top cap, dial the motion that the lid arm no longer hinders activity top cap, the activity top cap moves the back and dials the lid arm and get back to the vertical position under the effect of balancing weight, prepare to open next activity top cap. The closing process of the movable top cover is the same as the opening process.

Preferably, the balancing weight is formed by stacking a plurality of balancing weight plates. The balance weight plate positioned at the lowest part is fixedly connected with one end of the transmission unit, and the rest balance weight plates in the balance weight blocks are superposed with the balance weight plate at the lowest part. The weight of the whole balancing weight is adjusted by superposing different numbers of balancing weights so as to adapt to various different types of movable top covers.

Preferably, referring to fig. 4, the counterweight unit is an elastic member 354, and the elastic member 354 applies a certain acting force to the cover pulling arm through the transmission mechanism, so that one end of the cover pulling arm away from the rotating connection always tends to be close to the positioning block; and as the flip arm moves, the displacement of the resilient member 354 changes, and the force changes accordingly. When the cover-pulling arm is not in contact with the movable top cover, the elastic piece 354 is already in a stretching state, and applies a small force to the cover-pulling arm to enable the cover-pulling arm to be always abutted against the positioning block and keep the cover-pulling arm in a vertical state. In the process of opening the movable top cover, when the initial acting force applied to the cover pulling arm by the elastic piece 354 is greater than the force for driving the movable top cover to move, the cover pulling arm abuts against the positioning block and drives the movable top cover to open; when the initial acting force applied by the elastic part 354 to the cover-pulling arm is smaller than the force for driving the movable top cover to move, the cover-pulling arm firstly rotates for a certain angle, the cover-pulling arm rotates to stretch the elastic part 354, so that the acting force of the elastic part 354 to the cover-pulling arm is increased until the acting force of the elastic part 354 to the cover-pulling arm is larger than the force for driving the movable top cover to move, the cover-pulling arm keeps the rotating position or slightly fluctuates nearby the position, and drives the movable top cover to open the cover; it should be noted that the cover-pulling arm always keeps contact with the movable top cover and can play a role of stopping in the process of rotating the cover-pulling arm and enabling the acting force of the elastic piece 354 on the cover-pulling arm to be larger than the force for driving the movable top cover to move. After the movable top cover is completely opened, because the movable top cover can not move continuously, the movable top cover and the open wagon are integrated, the force of the movable top cover to the cover pulling arm is equivalent to the acting force of the whole open wagon to the cover pulling arm, the acting force is far greater than the force of the elastic piece 354 capable of being applied to the cover pulling arm, the cover pulling arm rotates under the driving of the movable top cover at the moment, the cover pulling arm does not obstruct the movement of the movable top cover any more, the cover pulling arm returns to the vertical position under the action of the elastic piece 354 after the movable top cover moves, and the next movable top cover is ready to be opened. The closing process of the movable top cover is the same as the opening process.

Preferably, dial and cover mechanism 330 and include the connecting rod, first otic placode, round pin axle and gyro wheel, connecting rod one end is connected and is dialled the swinging boom 321 that covers device 300 when in the activity top cap, other end fixed mounting has first otic placode (the otic placode structure is common mechanical structure, it is used for hoist and mount or installation axle class part, comparatively common structure is that a circular steel plate passes through the welding mode and connects in the principal component, be equipped with the through-hole on the steel sheet), be equipped with first mounting hole on the first otic placode, the round pin axle is worn to locate in first mounting hole, the gyro wheel rotationally sets up in selling epa. When the movable top cover is shifted by the cover shifting mechanism 330, the cover shifting mechanism 330 is always in contact with the movable top cover, and when the cover shifting mechanism 330 translates or rotates in the whole opening process of the movable top cover, friction is generated between the cover shifting mechanism 330 and the movable top cover. The cover-pulling mechanism 330 without the roller generates dry friction with the movable top cover, and the long-term use can cause the wear and even the failure of the cover-pulling mechanism 330 or the movable top cover. The cover-pulling mechanism 330 utilizes the contact of the roller and the movable top cover, can convert dry friction into rolling friction, reduces abrasion, and can continue normal use only by replacing the roller even if the abrasion is too large and the failure occurs after long-term use.

Preferably, one end of the connecting rod, which is connected to the middle rotating arm 321 of the cover-pulling device 300, is provided with a second ear plate, the second ear plate is provided with a second mounting hole, and a rotating shaft is arranged in the second mounting hole; correspondingly, the rotating arm 321 is provided with an installation ear plate, the rotating shaft penetrates through the second ear plate and the installation ear plate, and the whole cover pulling mechanism 330 can rotate relative to the rotating arm 321 by utilizing common rotating devices such as a bearing, a shaft sleeve and the like. When the cover-pulling mechanism 330 and the movable top cover are disengaged in a rotating manner, obviously, when the movable top cover is completely opened and continues to advance along with the open wagon, large friction is generated on the cover-pulling mechanism 330, and the roller arranged at the contact position of the cover-pulling mechanism 330 and the movable top cover can well convert the friction into rolling friction, so that the abrasion of the cover-pulling mechanism 330 and the movable top cover is effectively reduced.

Further, for the cover-pulling device 300 capable of rotating and provided with the weight mechanism 350, a cushion pad is provided on one side of the cover-pulling mechanism 330 toward its movement tendency, and correspondingly, a positioning block is provided in the rotating mechanism 320, and the cushion pad and the positioning block are kept in contact when the cover-pulling mechanism 330 is not in contact with the movable top cover and is in the initial state. Because the cover-pulling mechanism 330 always has a tendency to move in a specific direction under the action of the weight mechanism 350. The rotating mechanism 320 is provided with a positioning block which can stop the cover-pulling mechanism 330 to make it in the best working state and prevent the cover-pulling mechanism 330 from rotating over position. The cover-pulling mechanism 330 is pushed by the movable top cover, after rotating a certain angle, the movable top cover is disengaged from the cover-pulling mechanism 330, and the cover-pulling mechanism 330 is moved by the action of the counterweight mechanism 350 until the cover-pulling mechanism 330 touches the positioning block and then stops. Set up the blotter on dialling lid mechanism 330, can effectively reduce and dial the rigid impact that lid mechanism 330 produced when moving striking locating piece, reduce wearing and tearing. It should be understood that the cushion is made of a common flexible engineering material such as rubber, nylon, and the like.

On the other hand, for the lid-pulling device 300 capable of rotating and provided with the counterweight mechanism 350, in order to facilitate the assembly of the counterweight mechanism 350 and the lid-pulling device 300, a third ear plate is provided on a side surface of the lid-pulling mechanism 330 facing the movement trend thereof, and a mounting hole is provided on the third ear plate, and the third mounting hole can be mounted in cooperation with a component in the counterweight mechanism 350. For example, as shown in the illustrated embodiment, the cable of the weight mechanism 350 may be directly inserted into the third mounting hole.

Preferably, first otic placode sets up in pairs in the both sides of connecting rod, and the round pin axle is worn to locate between two first otic placodes, and the gyro wheel also sets up between two first otic placodes. Specifically, the pin shaft is a pin with a hole, and the pin shaft and the roller are rotatably connected through a bearing.

Preferably, the roller is made of polyurethane, so that the polyurethane wheel has high mechanical strength, good toughness, high tensile strength and high compressive strength, has strong absorption capacity on impact and stress vibration, and can effectively reduce the impact between the cover pulling mechanism 330 and the movable top cover.

Preferably, please refer to fig. 2, a ladder 380 and a guardrail 390 are disposed on the upright 310, the ladder 380 is convenient for an operator to climb the top of the upright 310, the cover-pulling device 300 is maintained, and the guardrail 390 can prevent the operator from accidentally falling off when climbing the ladder 380, so as to reduce the risk of injury.

The following is a detailed description of the top cover system to which the present invention is applied, wherein the top cover system is provided with the cover-pulling device 300:

applied the utility model provides a dial lid device 300's railway gondola car and use movable top cap system, include mounting bracket, top cap unit 100, slip track and dial lid device 300:

the mounting bracket includes mounting panel and landing leg, and landing leg one end fixed mounting is in side wall and headwall, and curb plate fixed mounting is in the other end of landing leg. The size of the side plate can be adjusted according to different types of railway open wagons, and is fixedly connected to the cargo compartment 900 through a plurality of legs, and serves as a mounting base of the roof unit 100 in the movable roof system.

The top cover unit 100 can be unfolded or folded and has a corresponding unfolded state and a corresponding folded state, and when the top cover unit 100 is in the unfolded state, the top of the open wagon cargo compartment 900 can be closed; when the roof unit 100 is in the folded state, it can be retracted to the end of the cargo compartment 900 in the longitudinal direction, so that the cargo compartment 900 is open at the top. One end of the top cover unit 100 is provided with an end beam on which a stopper mechanism is provided.

The sliding rail is arranged on the mounting frame and comprises a first rail, and the first rail is arranged at the top of the mounting frame along the horizontal direction; the gondola car cargo box 900 includes side walls and end walls, and the slide rails are provided in pairs on both sides of the cargo box 900 in the length direction, and on the top cover unit 100 can slide in the slide rails, thereby realizing the expansion and folding of the whole top cover unit 100.

The cover-pulling device 300 is arranged on the ground, when the railway open wagon runs, the cover-pulling device 300 can block the movement of the stopping mechanism, so that the stopping mechanism drives the top cover unit 100 and the cargo compartment 900 to move relatively, and the top cover unit 100 is unfolded and folded.

The movable top cover system formed by the top cover unit 100, the sliding track and the cover shifting device 300 can utilize the kinetic energy of the railway open wagon to open and close the top cover when the railway open wagon needs to load and unload goods, has a simple structure, is convenient to operate, and can effectively reduce the loss and the pollution to the environment caused by opening the top when the open wagon transports the goods.

Preferably, the top cover unit 100 includes a plurality of shutters and a plurality of connection shafts. A plurality of shutters are used to cover the open top of the cargo bed 900. The plurality of connecting shafts are parallel to each other and slidably disposed at the top opening of the cargo box 900, and have a first state where a predetermined distance is provided between two connecting shafts and a second state where two connecting shafts are oppositely abutted. Both sides of each shielding member are connected with two adjacent connecting shafts respectively, and when the plurality of connecting shafts are in the first state, the plurality of shielding members cover the top opening of the cargo compartment 900. The shutter includes a first cover and a second cover hinged together by a hinge structure and having a relatively unfolded state and a relatively folded state. One side of the first cover plate, which is far away from the second cover plate, is hinged with one connecting shaft, one side of the second cover plate, which is far away from the first cover plate, is hinged with the adjacent connecting shaft, and when the plurality of connecting shafts are in a first state, the first cover plate and the second cover plate are in a relatively unfolded state. When the plurality of connecting shafts are in the second state in which two of them are relatively abutted, the first cover panel and the second cover panel are relatively folded, so that the top of the cargo box 900 is opened. And, the connecting axle both ends are provided with slide mechanism, and slide mechanism sets up in the slip track for the connecting axle can slide along the slip track, and then drives top cap unit 100 and expand or fold. Preferably, the length of the first rail is greater than that of the side walls, and when the roof unit 100 is in the retracted state, the first rail can be fully retracted to a protruding section of the first rail protruding from the top of the open wagon 900, so that the top of the open wagon 900 is fully opened.

Preferably, the sliding rail further includes a second rail and a third rail. The first rail is arranged at the top of the mounting frame along the horizontal direction, the second rail is arranged on the side face of the mounting frame along the vertical direction, and the third rail is connected with the first rail and the second rail; the second rail and the third rail may be obtained by bending downward a protruding section of the first rail protruding from the open wagon load compartment 900. When the roof unit 100 is in the folded state, it can be fully retracted within the second track or the second and third tracks, so that the top of the cargo box 900 is fully open. Since the cover unit 100 has a certain thickness even after being contracted, the sliding rail accommodating the cover unit 100 in the folded state should have a certain length. The second rail in the vertical direction is arranged, so that the situation that the distance between two adjacent cargo compartments 900 is shortened and even interference occurs due to the fact that the first rail protrudes out of the protruding section of the cargo compartment 900.

The above-mentioned retraction of the roof unit 100 to the protruding section of the first rail protruding out of the open wagon 900 or the retraction of the roof unit into the second rail disposed at the two end sides of the extension direction of the wagon 900 is to fully open the top of the wagon 900. For a railway truck, particularly a truck for transporting bulk materials such as coal, stone, etc., the truck usually has its cargo bed 900 turned 180 ° by a tippler to dump the cargo bed 900. If the roof unit 100 is not fully opened after being retracted, the cargo compartment 900 will be at a low rate of dumping, and the cargo will impact the roof unit 100 when dumped, which may damage the roof unit 100.

Preferably, the number of the roof units 100 is two, the roof unit 100 includes a first roof and a second roof, and the two roof units 100 are oppositely disposed at both sides of the cargo compartment 900 to form a side-by-side structure. Accordingly, the second track of the cargo box 900 also has two sections, which are disposed at both ends of the open wagon cargo box 900 in the length direction. Meanwhile, a linkage mechanism is arranged between the two top cover units 100, and the linkage mechanism can enable the two top cover units 100 to move in a relevant manner and always open or close at the same time.

In some embodiments, the movable split top cover with the linkage mechanism is provided with a stop mechanism only on one of the top cover units 100, and the stop mechanism on the first top cover is taken as an example for explanation. When the open wagon is operated, the roof unit 100 is in a closed state, and the end provided with the second roof first passes through the cover-pulling device 300, and since the second roof is not provided with the stopper mechanism, the front half part of the cargo compartment 900 does not collide with the cover-pulling device 300. When the rear half part of the cargo compartment 900, i.e. the part enclosed by the first top cover, passes through the cover-pulling device 300, the cover-pulling device 300 collides with the stop mechanism on the movable end of the first top cover, and drives the first top cover to fold and move relative to the cargo compartment 900; meanwhile, the first top cover drives the second top cover to move through the linkage mechanism, the two top covers have the same moving speed and opposite directions. When the first roof is fully folded and contracted, the second roof is also simultaneously folded and contracted, so that the top of the cargo box 900 is fully opened. At this time, the first top cover is used as a driving part to drive the second top cover as a driven part to move. However, it should be noted that, in the active and passive matching type split movable top cover, when the top cover is to be closed, the open wagon needs to turn around, that is, when the top cover is closed, the end provided with the first top cover first passes through the cover-pulling device 300, so that the closing action of the top cover can be normally completed.

In other embodiments, for a split movable top cover with a linkage mechanism, the two top cover units 100 are provided with stop mechanisms, and the stop mechanisms on the two top cover units 100 are arranged in a staggered manner. For example, when the open top car is driven from south to north, the first top cover is located at the end of the cargo compartment 900 near the north, i.e. when the open top car passes through the cover-shifting device 300, the first top cover first passes through the cover-shifting device 300, the stop mechanism on the first top cover is arranged at the west side of the open top car, and the stop mechanism on the second top cover is arranged at the east side of the open top car. When the open wagon enters the unloading place to unload, the top cover unit 100 is in a closed state, the open wagon first passes through the cover opening lid-lifting device 300 arranged at the south of the unloading place, and the cover opening lid-lifting device 300 is arranged at the east side of the railway track. When the open wagon passes through, the cover opening device 300 for opening the cover on the east side cannot collide with the stop mechanism on the west side of the first top cover, only collides with the stop mechanism on the east side of the second top cover, drives the second top cover to be folded, and meanwhile, the second top cover drives the first top cover to be folded through the linkage mechanism to complete the opening of the top cover unit 100. After the open wagon is unloaded, the open wagon continues to move from south to north, passes through the cover closing cover shifting mechanism 330 at the north part of the unloading place, and the cover closing cover shifting mechanism 330 is arranged at the west side of the railway track. When the open wagon passes through, the cover-closing cover-shifting device 300 positioned on the west side cannot collide with the stop mechanism positioned on the east side on the second top cover, only collides with the stop mechanism positioned on the west side on the first top cover, drives the first top cover to expand, and simultaneously drives the second top cover to expand through the linkage mechanism, thereby completing the closing of the top cover unit 100.

Preferably, the linkage mechanism comprises driving wheels, annular driving members and end beams, and the two driving wheels are arranged at two ends of the cargo compartment 900 along the length direction; the annular transmission medium sets up on two drive wheels to can rotate round the drive wheel, the annular transmission medium position is comparatively by half one and is the upside transmission medium, the transmission medium that the position was comparatively leaned on is the downside transmission medium, two top cap unit 100's tip crossbeam fixed connection respectively in upside transmission medium and downside transmission medium. For example, the first top cover is connected to the upper side transmission member, the second top cover is connected to the lower side transmission member, and when the first top cover is folded to open the top cover unit 100, the cross beam at the end of the first top cover moves leftwards to drive the upper side transmission member to move leftwards, so that the annular transmission member rotates anticlockwise. Simultaneously, the lower side transmission part moves rightwards and drives the cross beam at the end part of the second top cover to move rightwards, so that the second top cover is folded.

Preferably, the linkage mechanism comprises a sprocket and a chain. The sliding mechanism of the upper end cross beam of the first top cover and the second top cover is respectively fixedly connected with the chain through the long connecting plate and the short connecting plate, meanwhile, chain supporting plates are further arranged on the mounting frame in order to prevent the chain from sagging due to self weight, and the chain penetrates through the grooves in the chain supporting plates. The working principle of the chain wheel and chain control top cover unit 100 for synchronously opening is the same as that of the transmission wheel and the transmission part, and the description is omitted here.

It should be understood that the sprocket and chain engagement, the sheave and wire rope engagement, and the like are but some of the possible ways, and other common synchronous drives, such as pulleys and belts, may be used in the present invention.

Preferably, for a split movable top cover provided with a linkage mechanism, the linkage mechanism is further connected with a driving mechanism, and the driving mechanism can actively drive the linkage mechanism, so that the linkage mechanism drives the top cover unit 100 to complete opening or closing. For example, for the top cover unit 100 provided with the driving wheel and the annular transmission member, the driving mechanism is a motor, the motor is directly connected to the driving wheel or connected to the driving wheel through a speed reducing mechanism and can drive the driving wheel to rotate, the annular transmission member is tensioned on the driving wheel, and the driving wheel rotates to drive the annular transmission member to rotate, so as to drive the top cover unit 100 to move. For another example, for a movable roof system having a chain and sprockets as the linkage mechanism, the arrangement of the chain and sprockets and the connection to the roof unit 100 are similar to the arrangement of the transmission wheels and transmission members described above. The motor is arranged and can be connected to the chain wheel, the driving chain wheel drives the chain to rotate, or the motor is connected to the chain and directly drives the chain to rotate. It should be understood that the above two forms are just some possible embodiments of the driving mechanism and the linkage mechanism, and other common driving mechanisms and linkage mechanisms in the mechanical field can also be applied to the movable roof system provided by the present invention.

Preferably, the linkage mechanism is provided with an adjusting mechanism. The adjusting mechanism comprises a bolt, the driving wheels are mounted on the top cover unit 100 through the adjusting mechanism, and the distance between the two driving wheels can be adjusted through the adjusting bolt, so that the tension of the annular driving part is adjusted. It should be understood that the bolt is only one type of means that can be used in the present invention, and other common tension adjusting mechanisms can also be used in the present invention.

Preferably, the sliding rail further includes a limiting member, and for the sliding rail having only the first rail, the limiting member is disposed at the ends of the two ends of the first rail. For the sliding rail comprising the second rail and the third rail, the limiting piece is arranged at the tail end of the second rail close to the lower end in the vertical direction. The sliding mechanism of the top cover unit 100 is slidably disposed in the sliding track, and a stopper is disposed at the end of the second track to prevent the sliding mechanism from coming off the sliding track when the top cover unit 100 is retracted. When the top cover unit 100 is retracted, the sliding mechanism closest to the limiting member contacts the limiting member and does not move any more, so that the sliding mechanism does not fall off from the sliding track.

Preferably, the number of the cap unit 100 is one. For a cargo box 900 with one cover unit 100, the cover unit 100 can completely cover the top of the cargo box 900 in the unfolded state, and can be folded to one side of the top of the cargo box 900 in the folded state, so that the top of the cargo box 900 is completely opened. When the top of the open wagon is opened, the open wagon is in a certain direction, the stop mechanism at the movable end of the top cover unit 100 is stopped by the cover pulling device 300, the top cover unit 100 is driven to be folded, the folding of the top cover unit 100 is completed, and the process of closing the top of the open wagon is opposite to the opening process. Only one top cover unit 100 is provided, and a linkage mechanism is not required, so that the structure of the movable top cover system is simplified, and the reliability of the movable top cover system is improved. It should be noted that when the top of the open wagon is opened or closed, the end of the open wagon where the stopping mechanism is located should first pass through the cover-lifting device 300, so that the cover-lifting device 300 can open or close the top cover unit 100.

Preferably, the number of the cover pulling devices 300 is 2, and 2 cover pulling devices 300 are oppositely arranged on two sides of the railway track. Accordingly, there are also 2 stopper mechanisms, corresponding to 2 cover lifting devices 300 when the top cover unit 100 is opened or closed. Since the top cover unit 100 is limited by weight and structure, the amount of force that can be provided by the stopper mechanism is limited, and the provision of only one set of the stopper mechanism and the cover-lifting device 300 may result in insufficient opening or closing force; meanwhile, since the cover-moving devices 300 are disposed on both sides of the railway, when one cover-moving device 300 is disposed, only an acting force is applied to the stopping mechanism on one side of the cover unit 100, which may cause the sliding of the two sliding rails of the movable cover system to be mismatched, resulting in a jamming phenomenon. Two cover-pulling devices 300 are provided, on one hand, the acting force on the top cover unit 100 can be increased, on the other hand, the force can be simultaneously applied from two sides of the top cover unit 100, and the motion mismatch at the two sliding rails is avoided.

Preferably, the material of the shielding member in the top cover unit 100 is a rigid material. The rigid barrier is rectangular in shape, has a length equal to the width of the top of the cargo bed 900, and has a thickness that can be determined according to specific requirements, and generally has a thickness in the range of 1mm to 20 mm. The rigid shield can cover the top of the cargo compartment 900 when the roof unit 100 is opened, preventing foreign objects from entering the cargo compartment 900 or preventing cargo in the cargo compartment 900 from falling out. Meanwhile, the rigid shielding piece can play a certain connecting role, so that the movement of the sliding mechanisms at the two ends of the connecting shaft keeps synchronous. Furthermore, in order to avoid a gap between two adjacent rigid shielding members, a gap between the two rigid shielding members can be filled with a flexible material such as tarpaulin, so that the normal extension and retraction of the roof unit 100 are not affected, and the cargo scattering or the entry of sundries caused by the gap between the rigid shielding members can be prevented.

Preferably, the movable roof system further comprises a locking mechanism. The locking mechanism is disposed on the top cover unit 100, and when the top cover unit 100 is unfolded to seal the top of the cargo compartment 900, the locking mechanism can lock the top cover unit 100, so that the top cover unit 100 is unfolded and cannot be folded, and the cargo compartment 900 is kept sealed. For example, for a split type movable top cover, the locking device comprises a lock body and a lock tongue which are respectively arranged on two top cover units 100, when the two top cover units 100 are unfolded, the lock body and the lock tongue are close to each other, when the top cover units 100 are completely unfolded, the lock tongue is inserted into the lock body, and when the lock tongue is not subjected to a certain size, the lock tongue and the lock body are kept in a locking state, so that the two top cover units 100 cannot be folded. The locking mechanism can prevent the top cover unit 100 from being opened accidentally because the top cover unit 100 is opened accidentally due to self-shaking of the open wagon during running or force applied to the top cover unit 100 by some other accidental factors during running of the open wagon.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (9)

1. A device for removing a cover, comprising: the vertical column is fixedly arranged on the ground on the side surface of the railway track, and the rotating mechanism is rotatably arranged at the top of the vertical column; the cover shifting mechanism is arranged at one end, far away from the stand column, of the rotating mechanism and can drive the cover shifting mechanism to rotate around the stand column, so that the cover shifting mechanism can stop a movable top cover of the open wagon and enable the movable top cover to be opened or closed.

2. The cover pulling device as claimed in claim 1, wherein the rotating mechanism comprises a rotating arm, a rotating support and a rotating motor, the rotating arm is connected to the upright post through the rotating support, and the rotating motor can drive the rotating support to rotate, so as to drive the rotating arm to rotate.

3. The cover-pulling device of claim 2, further comprising a gear transmission unit, wherein the gear transmission unit comprises a driving gear disposed on a motor shaft of the rotating motor and a driven gear disposed on the rotating support, and the driving gear drives the driven gear to rotate so as to rotate the rotating arm.

4. The device according to claim 3, wherein the gear transmission unit is a two-stage or multi-stage gear transmission.

5. The device for pushing the cover according to any one of claims 2 to 4, further comprising a lifting mechanism, wherein the lifting mechanism is disposed on the rotating mechanism, and the cover pushing mechanism is disposed on the lifting mechanism, and the lifting mechanism can drive the cover pushing mechanism to move up and down.

6. The device for pushing the cover according to claim 5, wherein the lifting mechanism comprises a lifting frame, a lifting rail, a lifting motor and a lead screw, the lifting rail is fixedly arranged on the rotating mechanism, the lifting frame is provided with the cover-pushing mechanism, and the lifting motor drives the lead screw to rotate, so as to drive the lifting frame to slide up and down in the lifting rail.

7. The device according to claim 6, wherein the rotation mechanism is capable of driving the rotation arm to rotate clockwise and/or counterclockwise.

8. The device of claim 1, wherein the cover-pulling devices are arranged in pairs on both sides of a railway track.

9. The lid-lifting device according to claim 1, wherein the lid-lifting mechanism is rotatably provided to the rotating mechanism.

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