CN212738069U - Transport vehicle for bulk goods - Google Patents

Abstract

The utility model discloses a bulk cargo transport vehicle. The utility model discloses a transport vehicle comprises a carriage, the roof of the carriage is provided with a roof opening, a top cover mechanism is arranged near the roof opening, and the top cover mechanism comprises a top cover body, a sliding mechanism and a driving mechanism; the hopper mechanism is arranged at the bottom of the carriage, a hopper opening of the hopper mechanism is provided with a bottom door opening and closing device, the bottom door opening and closing device comprises a bottom plate frame structure and a bottom plate, and the bottom plate frame structure is arranged to be fixedly connected to the hopper opening; one side of the bottom plate frame structure is provided with a front and rear telescopic device, and the telescopic section of the front and rear telescopic device is arranged to be capable of driving the bottom plate to move back and forth along the bottom plate frame structure. The utility model discloses a transport vechicle provides the condition for realizing bulk cargo automatic handling.

Description

Transport vehicle for bulk goods

Technical Field

The utility model relates to a bulk cargo transport vehicle especially relates to the railway freight car of transportation grain.

Background

The bulk cargo mainly comprises coal, ore, grain crops and the like, the transportation tool of the bulk cargo is mainly a transportation vehicle with a roof which can be opened and closed and a vehicle bottom which can be opened and closed, the openable roof can protect the bulk cargo when being closed, and the openable roof can be convenient for loading and unloading the cargo or increasing the top containing space when being opened; the bottom of the vehicle is used for unloading when being opened and preventing the leakage of the bulk cargo when being closed. With the proposition of concepts of cost reduction, efficiency improvement and lean saving, the cargo loading and unloading of the transport vehicle for transporting bulk cargos gradually enter automation, and the adoption of the automatic movable roof and the vehicle bottom for matching with automatic cargo loading equipment becomes a development trend.

Most vehicles at the present stage are provided with a manual turnover top cover and a manual drawing type bottom door. Fig. 12 is a schematic structural diagram of a top cover of a bulk cargo transport vehicle in the prior art, and includes a waterproof cover 9, a top cover plate 10, a lock ring 11 and a handle 12, wherein the top cover plate 10 is arranged along the length direction of a carriage, the waterproof cover 9 and the top cover plate 10 are both hinged on a vehicle roof support, and the lock ring 11 is driven by the operating handle 12 to compress the waterproof cover 9 and the top cover plate 10 to realize locking of the top cover. The top cover plate 10 is made of a profiled thin-wall steel plate, the whole rigidity is weak, deformation is easy to occur, the length of a single top cover plate is not more than 1.4m, and all the top cover plates need to be manually opened or closed one by one when getting on the car roof. Fig. 13 is a schematic structural view of a hopper bottom door opening and closing device of a bulk cargo transport vehicle in the prior art, which includes a bottom door frame 13, a bottom door structure 14, a bottom door lock device 15 and a door shaft device 16, wherein the bottom door frame 13 is welded on a hopper opening, a rack is mounted on the bottom door structure 14, the bottom door lock device 15 needs to be controlled by drilling into the vehicle bottom when the bottom door is opened and closed, and the bottom door is opened or closed by rotating the door shaft device 16 to drive the rack and the gear.

The grain hopper car is limited by the top cover and bottom door structures of the existing grain hopper car, loading and unloading operations need to be carried out by climbing the car roof or entering the car bottom, great potential safety hazards exist, and meanwhile, each top cover and each bottom door need to be manually opened or closed, so that loading and unloading efficiency is very low.

Therefore, to realize the automatic loading and unloading of the bulk cargo, a transport vehicle with a top cover and a bottom door capable of being automatically opened and higher safety performance needs to be developed.

SUMMERY OF THE UTILITY MODEL

In view of the above, an object of the present invention is to provide a bulk cargo transport vehicle, the top of which can be automatically opened and closed through sideslip, so as to perform safe and reliable sealing protection function in the carriage when closed, and fully utilize the top space when opened; the bottom is equipped with bottom door switching device, can realize automatic opening and locking bottom door, has improved the degree of automation of transport vechicle loading and unloading goods, can also lock the theftproof automatically.

The utility model adopts the following technical scheme to realize the purpose.

The utility model discloses a bulk cargo transport vehicle, which comprises a carriage, a top cover mechanism and a bottom door opening and closing device; the top cover mechanism is arranged at the top of the carriage; the bottom door opening and closing device is disposed below the vehicle compartment. The utility model discloses a bulk cargo transport vehicle can also include the bogie, start control system, coupling buffer system, arresting gear, door-hinge device. The bogies are disposed below the vehicle compartment and near both ends of the vehicle compartment. The starting control system and the coupler buffer system are both arranged near one end part of the carriage and are positioned near the bottom of the carriage; the brake device and the door shaft device are both disposed near the other end portion of the vehicle compartment and near the bottom portion of the vehicle compartment.

The utility model discloses a bulk cargo transport vehicle, including the carriage, the roof of carriage is equipped with the roof opening, be equipped with the top cap mechanism near the roof opening, the top cap mechanism includes top cap body, slide mechanism and actuating mechanism; the two sides of the roof opening are respectively provided with a sliding side and a sealing side; the sliding mechanism is arranged on the sliding side, and the sliding track of the sliding mechanism is arranged from inside to outside along the sliding side; one side of the top cover body is connected with the sliding side in a sliding manner through a sliding mechanism, and the other side of the top cover body is connected with the driving mechanism; the driving mechanism is arranged to drive the top cover body to slide along the sliding mechanism;

the hopper mechanism is arranged at the bottom of the carriage, a hopper opening of the hopper mechanism is provided with a bottom door opening and closing device, the bottom door opening and closing device comprises a bottom plate frame structure and a bottom plate, and the bottom plate frame structure is arranged to be fixedly connected to the hopper opening; a front and rear telescopic device is arranged on one side of the bottom plate frame structure, and a telescopic section of the front and rear telescopic device is arranged to be capable of driving the bottom plate to move back and forth along the bottom plate frame structure; the automatic locking device comprises a lock cylinder fixed on one side of the bottom plate, a lock tongue matched with the lock cylinder, and an elastic device for pressing the lock tongue into the lock cylinder; one end of the lock tongue is hinged to one side of the bottom plate frame structure, and the other end of the lock tongue is connected with the elastic device; the elastic device is fixed on one side of the bottom plate frame structure; the middle part of spring bolt is equipped with downward arch, the middle part of the flexible section of front and back telescoping device is equipped with the arch that makes progress, downward arch with it is equipped with first gyro wheel to make progress between the arch.

The utility model discloses a top cap mechanism at bulk cargo transportation carriage top is the sideslip formula, when the top cap body was opened, can make full use of roof open-ended headspace. When the spring device of the utility model presses the lock tongue into the lock core, the bottom plate covers the funnel opening, so that the funnel opening is in a sealed closing state; after the lock tongue is popped out from the lock core, the bottom plate moves backwards under the action of the front and rear telescopic devices, and the bottom plate is gradually moved away and opens the funnel opening.

In the utility model, the funnel opening is sealed with the bottom plate through the bottom plate frame structure. The bottom plate frame structure is fixed at the opening of the hopper, and the bottom plate moves back and forth along the bottom plate frame structure under the driving of the front and rear telescopic devices, so that the automatic opening and closing of the cargo bottom door opening and closing device are realized. When the telescopic section of the front and rear telescopic devices is telescopic, the upward protrusion is driven to move back and forth, but the downward protrusion arranged in the middle of the lock tongue cannot move back and forth and can only move up and down, so that the lock tongue moves up and down under the action of the upward protrusion and the first roller, and the lock tongue and the lock cylinder are opened or locked. When the bottom door opening and closing device needs to be opened, the front and rear telescopic devices drive the telescopic section to move the lock tongue upwards, and the automatic locking device is started; when the bottom door opening and closing device needs to be locked, the front and rear telescopic devices drive the telescopic sections to move the lock tongue downwards, the automatic locking device is locked, and the elastic device presses the lock tongue downwards to enter the lock core. According to a specific embodiment of the present invention, the first roller is disposed at a lower middle portion or a bottom portion of the downward protrusion.

The utility model discloses a bulk cargo transport vehicle provides the condition for realizing automatic handling goods under top cap mechanism and bottom door switching device's mating reaction, can make full use of open-top space again, has improved the safety seal performance of transport vechicle moreover.

According to the utility model discloses a bulk cargo transport vehicle, preferably, the actuating mechanism includes driving source, transmission shaft and connecting rod, the one end of connecting rod articulates in one side of top cap body, the other end of connecting rod with the transmission shaft is connected; the transmission shaft is arranged to drive the connecting rod to rotate along the circumferential direction of the transmission shaft; the transmission shaft is connected with a driving source, and the driving source is arranged to drive the transmission shaft to rotate; the connecting rod is sickle-shaped connecting rod, the long arm end part of the sickle-shaped connecting rod is fixed on the transmission shaft, the short arm end part of the sickle-shaped connecting rod is hinged to one side of the top cover body, and the protruding part of the sickle-shaped connecting rod faces upwards. The utility model discloses in, the driving source drive transmission shaft rotates, drives the connecting rod along transmission shaft circumferential direction to drive top cap body and slide along slide mechanism, realize the switch operation of top cap body. The structure is simple, and the top cover can sideslip. Adopt the connecting rod of above-mentioned structure, when opening the top cap body, the bellying of hook type connecting rod bending just in time blocks to slip side edge, can be more thorough shift out the top cap body to the slip side, avoid influencing roof open-ended operating space.

According to the bulk cargo transport vehicle of the present invention, preferably, the driving source includes an expansion member and an end link; the telescopic piece comprises a telescopic cylinder and a telescopic arm; one end of the telescopic cylinder is hinged with the inside of the transport vehicle, and the other end of the telescopic cylinder is provided for the telescopic cylinder to extend out; one end of the end connecting rod is hinged with the telescopic arm, and the other end of the end connecting rod is fixedly connected to the transmission shaft; the number of the telescopic pieces and the number of the end connecting rods are multiple, and the number of the connecting rods is multiple; the transmission shaft is arranged along the length direction of the transport vehicle; the other end of the end connecting rod is connected with the end part of the transmission shaft; the other end of the connecting rod is connected with the middle part of the transmission shaft. The telescopic cylinder of the utility model can be selected as one of a pneumatic telescopic cylinder and an electric telescopic cylinder, and is preferably a pneumatic telescopic cylinder. The structure can be adopted to better drive the transmission shaft to rotate.

According to the utility model discloses an embodiment, the quantity of extensible member and end connecting rod is two sets. The connecting rods are multiple, for example, 5-8. One end of each end connecting rod is connected with the corresponding telescopic arm, the other end of each end connecting rod is connected with two corresponding end portions of the transmission shaft, one end of each connecting rod is hinged to one side of the top cover body, and the other end of each connecting rod is fixed in the middle of the transmission shaft. Preferably, the number of the telescopic pieces and the end connecting rods is two, and the telescopic pieces and the end connecting rods are connected to the end part of the transmission shaft. The transmission shaft adopts the major axis structure, and two tip are rotated the drive by the extensible member, and the centre drives the slip that a plurality of connecting rods drove the top cap body simultaneously, can realize the gliding synchronism of top cap body, avoids sliding to produce off-centre, jamming scheduling problem, makes the slip of top cap body more smooth.

According to the bulk cargo transport vehicle of the utility model, preferably, the end bearing seat is arranged at the end part of the transmission shaft, the middle part of the transmission shaft is provided with the middle bearing seat, and the end bearing seat and the middle bearing seat are both fixedly connected with the inner side wall of the transport vehicle; the sliding mechanism comprises at least one sliding rail, the sliding rail is arranged on the sliding side, a sliding block is arranged in the sliding rail, and the sliding block is hinged or fixedly connected with one side of the top cover body. Adopt above-mentioned structure can be with the firm carriage inside being fixed in of transmission shaft to guarantee that the driving source can stable operation. Preferably, self-lubricating wear sleeves are embedded in the end bearing seat and the middle bearing seat, and flexible rotation of the transmission shaft is guaranteed. The sliding block structure is adopted to replace the traditional roller structure, and the problems of abrasion eccentricity and opening and closing clamping stagnation are solved. The hinge joint is mainly used for arc roofs or flat roofs, so that the moving freedom degree of the top cover body is larger, and the limitation of the shape of the roofs is avoided. The top cover is characterized in that the top cover body is fixedly connected with the sliding block, the top cover body is fixedly connected with the sliding block into a whole, the moving freedom degree of the top cover body is limited, and the top cover can generate a vertical constraint in a closed state, so that the sealing performance and the safety and reliability of the bulk cargo transport vehicle are improved. More preferably, a locking device capable of locking the position of the slide block is arranged on one side of the slide block. The specific structure of the locking device is not limited, and the locking device can be a clamping piece or a hook and the like. The locking device limits the position of the top cover body and prevents the top cover body from being accidentally turned outwards or from suddenly sliding to cause danger.

According to the utility model discloses a concrete implementation mode, the quantity of slide rail is more than two. The sliding of the top cover body can be more stable due to the arrangement of the plurality of sliding rails. Especially, for the condition that the slide block is hinged with the top cover body, the use range can be further expanded by arranging the positions of the plurality of slide rails without being limited by the shape of the roof.

According to the bulk cargo transport vehicle of the present invention, preferably, the bottom plate frame structure is provided with a second roller, and the lower surface of the bottom plate is connected to the second roller in a rolling manner; a rotating shaft is arranged below the bottom plate, and the end part of the rotating shaft is fixed on the bottom plate frame structure through a bearing; the rotating shaft is provided with a gear, and a rack meshed with the gear is arranged below the bottom plate. The second roller can avoid the damage caused by the rigid friction of the bottom plate on the bottom plate frame, and the service life of the bottom opening and closing device is prolonged. In addition, the driving force during opening and closing can be reduced, and convenience is provided for manual operation. When the driving device drives the bottom plate to move back and forth, the gear and the rack perform meshing motion, so that the back and forth motion of the bottom plate is more stable and easier. According to the utility model discloses a concrete implementation mode, the left and right sides of bottom plate frame construction is equipped with the spout, and the left and right sides sliding connection of bottom plate is in bottom plate frame construction's spout. The bottom plate can only move back and forth along the sliding groove due to the limitation of the sliding groove, the up-and-down movement and the left-and-right movement of the bottom plate are limited, and the sealing performance and the safety of the bottom opening and closing device are improved. More preferably, the number of the gears is two, and the two gears are respectively arranged at two end parts close to the rotating shaft.

According to the bulk cargo transport vehicle of the present invention, preferably, the automatic locking device further comprises a lock box fixed to the floor frame structure; the elastic device comprises a pull-up spring and a transmission rod; one end of the pull-up spring is connected to one side of the lock box, the other end of the pull-up spring is rotatably connected to one end of the transmission rod, the other end of the transmission rod is hinged to one end of the lock tongue, the middle of the transmission rod is rotatably connected to one side of the lock box through a pin shaft, and a first rotating wrench is arranged at the end of the pin shaft. One end of the transmission rod is pulled upwards by the pull-up spring, and the middle part of the transmission rod is rotationally connected to the lock box, so that the other end of the transmission rod can generate a pressing action force on the lock tongue, the lock tongue is pressed into the lock core, locking is realized, and the bottom plate frame structure do not move back and forth any more. The end of the pin shaft can be designed into a non-standard shape or a national standard shape according to requirements and then provided with a corresponding first rotating wrench. If the automatic locking device needs to be manually opened, the end part of the pin shaft only needs to be rotated through the first rotating wrench, so that the transmission rod is rotated, the end, hinged with the lock tongue, of the transmission rod is upwards lifted, and the locking state can be relieved. After the automatic locking device releases the locking device, the bottom door opening and closing device can be opened by manually moving the bottom plate. Manual opening requires a special tool, and the anti-theft performance is improved.

According to the utility model discloses a bulk cargo transport vehicle, preferably, one side of lock box still is equipped with can restrict the spacing shelves that the limit was pushed down to the spring bolt. This structure can restrict the limit that the spring bolt pushed down. In the present invention, preferably, the limiting stop is a cylindrical or bar-shaped protrusion.

According to the bulk cargo transport vehicle of the present invention, preferably, the end of the telescopic section of the front and rear telescopic devices is provided with a strip-shaped hole; the strip-shaped holes are arranged along the telescopic direction of the telescopic device; one side of the bottom plate is provided with a fixing column which can penetrate through the strip-shaped hole. When flexible section promoted the bottom plate backward, lock core on the bottom plate also can follow the rearward movement, and in order to avoid lock core and spring bolt card to die, the design in bar hole gives the spring bolt space of upwards lifting in advance, avoids the card to die. When the spring bolt lifts and breaks away from the lock core, the telescopic section continues to move the bottom plate by pushing the fixing column.

The bulk cargo transport vehicle according to the present invention preferably further comprises an auxiliary frame corresponding to the bottom plate frame structure, wherein the auxiliary frame is disposed on the hopper opening;

the edge of the bottom plate frame structure is of an L-shaped steel structure, and the L-shaped steel structure is provided with a horizontal edge and a vertical edge; a plurality of first threaded holes are formed in the horizontal edge, a plurality of second threaded holes corresponding to the first threaded holes are formed in the auxiliary frame, and the bottom plate frame structure is in threaded connection with the auxiliary frame; the vertical edge is used for the rotating shaft to pass through; and a second rotary wrench is arranged at the end part of the rotating shaft. The utility model discloses in, auxiliary frame passes through screw thread or fixed welding and bottom door opening part, and bottom plate frame construction passes through threaded connection with auxiliary frame. Compared with the traditional welding, the utility model discloses the deformation that the welding leads to has been avoided to the jamming and the leakage phenomenon because of warping the cause have been avoided. When the manual operation is carried out, the rotating shaft is rotated by using the second rotating wrench, so that the bottom plate can be pushed to move back and forth. The end of the rotating shaft can be set to be in a non-standard shape according to needs, the second wrench is provided with a corresponding shape, a special tool is needed by manual opening, and the anti-theft performance is improved. According to the utility model discloses an embodiment, bottom plate frame construction and auxiliary frame are the rectangle, and four limits constitute by L shaped steel structure, are equipped with corresponding screw hole on the horizontal border of bottom plate frame construction and auxiliary frame's L shaped steel structure, install bottom plate frame construction on auxiliary frame through the bolt.

According to the utility model discloses a bulk cargo transport vehicle, preferably, the funnel mechanism includes a plurality of funnel units that set up along carriage length direction interval, the funnel unit includes two funnels that the horizontal interval set up, the funnel mouth is located the funnel bottom, every funnel unit is equipped with a bottom door switching device; the number of the bottom plates of the bottom door opening and closing device is two, and the two bottom plates respectively correspond to the two hopper openings; the funnel mechanism further comprises a fulcrum frame; the lock cylinder is fixed at the top of the fulcrum frame; the fixed column is fixed on one side of the fulcrum frame; the hopper mechanism further comprises a balance beam; the two bottom plates are horizontally arranged on the bottom plate frame structure at intervals and are connected through the balance beam; the two ends of the balance beam are fixed on the left side and the right side of the bottom plate frame structure; the fulcrum frame is arranged at the position of the balance beam between the two bottom plates; the front and rear telescopic devices and the lock box are arranged at the position between the two bottom plates of the bottom plate frame structure. The utility model discloses a transport vechicle, a plurality of funnel unit designs and has improved discharge rate. A bottom plate frame structure is installed at two funnel openings of each funnel unit, each bottom plate frame structure is provided with two bottom plates, each bottom plate seals one funnel opening, and the space between the two funnels is used for installing a telescopic device, a fulcrum frame and a lock box. The fulcrum frame is arranged on a balance beam which is connected with the two bottom plates, and the front and back telescopic devices and the lock box are arranged on a bottom plate frame structure or fixed external structures such as the bottom of the funnel. By adopting the structure, the operation is convenient, and the storage is tidy.

The top of the bulk cargo transport vehicle can be automatically opened and closed through sideslip, the safe and reliable sealing protection effect is achieved in the carriage when the vehicle is closed, and the top space can be fully utilized when the vehicle is opened; the bottom of the vehicle is provided with a bottom door opening and closing device, so that the bottom door can be automatically opened and locked, the automation degree of loading and unloading goods of the transport vehicle is improved, and the transport vehicle can be automatically locked to prevent theft.

Drawings

Fig. 1 is a schematic structural diagram of the top cover mechanism of the present invention when closed.

Fig. 2 is a schematic structural view of the connecting rod, the transmission shaft and the top cover body of the present invention.

Fig. 3 is a schematic structural diagram of the top cover mechanism of the present invention when opened.

Fig. 4 is a schematic structural diagram of the driving mechanism of the present invention cooperating with the top cover body.

Fig. 5 is a schematic structural view of the bottom door opening and closing device of the present invention, together with the auxiliary frame and the abrasion pad.

Fig. 6 is a schematic structural view of the bottom door opening/closing device of the present invention.

Fig. 7 is a schematic structural view of the automatic locking device of the present invention cooperating with the front and rear retractable devices.

Fig. 8 is a schematic structural diagram of the bottom plate frame structure and the bottom plate of the present invention.

Fig. 9 is a schematic view of the split structure of the bottom door opening/closing device of the present invention.

Fig. 10 is a schematic structural view of the automatic locking device of the present invention.

Fig. 11 is a schematic structural view of the bulk cargo carrier of the present invention.

Fig. 12 is a schematic structural view of a roof of a bulk cargo transportation vehicle in the prior art.

Fig. 13 is a schematic structural view of a hopper bottom door opening and closing device of a bulk cargo transport vehicle in the prior art.

101-telescopic cylinder, 102-end connecting rod, 103-transmission shaft, 104-end bearing seat, 105-connecting rod, 106-top cover body, 107-sliding block, 108-middle bearing seat, 109-vehicle interior support, 111-sliding rail, 112-telescopic arm, 113-sealing side, 114-sliding side and 116-vehicle roof opening; 201-bottom plate frame structure, 202-bottom plate, 203-rotating shaft, 204-lock box, 207-fore-and-aft expansion device, 208-auxiliary frame, 209-fulcrum frame, 210-abrasion backing plate, 211-bearing, 213-upward bulge, 214-first roller, 215-downward bulge, 216-lock core, 217-balance beam, 218-rack, 219-gear, 220-rotating shaft bracket, 221-supporting piece, 222-supporting beam, 223-second roller, 224-bolt, 225-upward pull spring, 226-pin shaft, 227-limit stop, 228-strip hole, 229-fixed column, 230-transmission rod, 1-carriage, 2-top cover mechanism, 3-bottom door opening and closing device, 4-bogie, 5-start control system, 6-car coupler buffer system, 7-brake device, 8-door spindle device, 9-waterproof cover, 10-top cover plate, 11-lock ring, 12-handle, 13-bottom door frame, 14-bottom door structure, 15-bottom door lock device and 16-door spindle device.

Detailed Description

The present invention will be described in more detail and further illustrated with reference to specific examples, which are not intended to limit the present invention in any way.

Example 1

Fig. 11 is a schematic structural view of the bulk cargo carrier of the present invention. As shown in fig. 11, the bulk cargo carrier vehicle of the present embodiment includes a car body 1, a roof mechanism 2, a bottom door opening/closing device 3, a bogie 4, a start control system 5, a coupler buffer system 6, a brake device 7, and a door spindle device 8. The top cover mechanism 2 is arranged at the top of the carriage 1; the bottom door opening/closing device 3 is provided below the vehicle compartment 1. The bogies 4 are disposed below the vehicle compartment 1 and near both end portions of the vehicle compartment 1. The starting control system 5 and the coupler buffer system 6 are arranged near one end part of the carriage 1 and are positioned near the bottom of the carriage 1; the brake device 7 and the door shaft device 8 are both disposed near the other end portion of the vehicle compartment 1, and near the bottom of the vehicle compartment 1.

Fig. 1 is a schematic structural diagram of the top cover mechanism of the present invention when closed. Fig. 3 is a schematic structural diagram of the top cover mechanism of the present invention when opened. Referring to fig. 1 and 3, the top of the transporter has a roof opening 116, and a roof mechanism 2 is provided near the roof opening 116. The cap mechanism 2 includes a cap body 106. The sliding side 114 and the sealing side 113 are provided on the left and right sides of the roof opening 116. The sliding side 114 and the sealing side 113 are inclined downward from the inside to the outside. The sliding side 114 is provided with a plurality of sliding rails 111, and the sliding rails 111 are arranged from inside to outside and parallel to each other. Be equipped with slider 107 in the slide rail 111, every slider 107 and top cap body 106 one side fixed connection, slider 107 and top cap body 106 form an organic whole, the activity degree of freedom of restriction top cap body 106.

As shown in fig. 2 and 3, a transmission shaft 103 is provided along the length direction of the car 1, both ends of the transmission shaft 103 are fixed to the inner walls of the front and rear sides of the car 1 through end bearing blocks 104, a plurality of center bearing blocks 108 are provided in the middle of the transmission shaft 103, and each center bearing block 108 is fixed inside the car 1 through a car interior support 109.

Fig. 2 is a schematic structural view of the connecting rod, the transmission shaft and the top cover body of the present invention. Fig. 4 is a schematic structural diagram of the driving mechanism of the present invention cooperating with the top cover body. End connecting rods 102 are installed at two ends of the transmission shaft 103, a plurality of connecting rods 105 are installed in the middle of the transmission shaft 103, the end connecting rods 102 and the connecting rods 105 are perpendicular to the transmission shaft 103, and the other ends of the connecting rods 105 are hinged to one side, close to the sealing side 113, of the top cover body 106. The inside of the carriage 1 of the transport vehicle is also provided with a telescopic cylinder 101 and a telescopic arm 112. One end of the telescopic cylinder 101 is hinged with the inner wall of the carriage 1 of the transport vehicle, and the telescopic arm 112 extends out from the other end of the telescopic cylinder 101 and is hinged with the other end of the end connecting rod 102. The telescopic arm 112 stretches out and draws back to drive the transmission shaft 103 to rotate, and the transmission shaft 103 rotates to drive the connecting rod 105 to push the top cover body 106 to slide along the sliding rail 111, so that the top cover can be opened and closed through side sliding.

In this embodiment, the hopper mechanism is provided at the bottom of the carriage 1, and the hopper opening of the hopper mechanism is provided with the bottom door opening/closing device 3. Fig. 5 is a schematic structural view of the bottom door opening and closing device of the present invention, together with the auxiliary frame and the abrasion pad. Fig. 6 is a schematic structural view of a bottom door opening/closing device of the present invention. The bottom door opening and closing apparatus of the present embodiment includes a rectangular top plate frame structure 201, a rectangular bottom plate 202, and an auxiliary frame 208. The top plate frame structure 201 is fixedly attached to the bottom door opening by a sub-frame 208. The top plate frame structure 201 has sliding grooves (not shown) on the left and right sides, and the bottom plate 202 has sliding grooves on the left and right sides and is connected with the top plate frame structure 201 in a front-back sliding manner. Four sides of the top plate frame structure 201 and the auxiliary frame 208 are both composed of L-shaped steel structures, corresponding threaded holes are formed in the horizontal edges of the L-shaped steel structures of the top plate frame structure 201 and the auxiliary frame 208, and the top plate frame structure 201 is installed on the auxiliary frame 208 through bolts.

Fig. 7 is a schematic structural diagram of the automatic locking device and the front and rear retractable devices of the present invention. A rotating shaft 203 is arranged below the bottom plate 202. The two ends of the rotating shaft 203 are fixed by bearings 211 and penetrate through the vertical edges of the L-shaped steel structure of the top plate frame structure 201. Fig. 9 is a schematic view of a split structure of the bottom door opening/closing device of the present invention. As shown in fig. 9, the rotating shaft 203 is provided with a gear 219. A rack 218 engaged with the gear 219 is provided below the base plate 202. Fig. 8 is a schematic structural diagram of the bottom plate frame structure and the bottom plate of the present invention. As shown in fig. 8, a fulcrum holder 209 is fixed to one side of the base plate 202, and a key cylinder 216 is provided on the top of the fulcrum holder 209.

As shown in fig. 5, a front-rear expansion device 207 and a lock case 204 are mounted on the top plate frame structure 201. Fig. 10 is a schematic structural view of the automatic locking device of the present invention. As shown in fig. 10, the lock case 204 is provided with a pull-up spring 225, a transmission rod 230 and a latch bolt 224; one end of a pull-up spring 225 is connected to one side of the lock case 204, the other end of the pull-up spring 225 is rotatably connected to one end of a transmission lever 230, the other end of the transmission lever 230 is hinged to one end of the latch bolt 224, and the middle portion of the transmission lever 230 is rotatably connected to one side of the lock case 204 through a pin 226. The latch bolt 224 is arranged above the lock cylinder 216, one end of the latch bolt 224 is hinged with the transmission rod 230, and the other end of the latch bolt 224 is hinged with one side of the lock box 204.

The middle of the latch tongue 224 is provided with a downward projection 215. The middle of the telescopic section of the front and rear telescopic device 207 is provided with an upward protrusion 213. A first roller 214 is provided between the downward projection 215 and the upward projection 213. The end of the telescopic section of the front and rear telescopic device 207 is provided with a strip-shaped hole 228, and the strip-shaped hole 228 is arranged along the telescopic direction of the telescopic section of the front and rear telescopic device 207. A fixing column 229 is arranged on one side of the fulcrum frame 209, and the fixing column 229 penetrates through the strip-shaped hole 228. A limit stop 227 is further disposed on one side of the lock case 204 for controlling the position of the latch bolt 224 moving downwards.

The end of the pin 226 is provided with a first rotary wrench (not shown), and the end of the shaft 203 is provided with a second rotary wrench (not shown).

Example 2

In the bulk cargo carrier of the present embodiment, the sliding side 114 and the sealing side 113 are arc-shaped, respectively, the sliding side 114 is provided with a plurality of sliding rails 111, and the direction of the sliding rails 111 is set from inside to outside. The slide rail 111 is internally provided with the slide block 107, each slide block 107 is hinged with one side of the top cover body 106 through a hinge, the slide blocks 107 and the top cover body 106 have moving freedom degrees of respective movement, and the limitation of the movement of the top cover body 106 to the shape of the top of the transport vehicle is reduced. The other structures are the same as those of embodiment 1.

Example 3

The bulk cargo transport vehicle of this embodiment wherein, connecting rod 105 is sickle type connecting rod (see fig. 2 and 4), and on the long arm tip of sickle type connecting rod was fixed in transmission shaft 103, the short arm tip of sickle type connecting rod was articulated with one side of top cap body 106, and the protruding position (the crooked position) arch of sickle type connecting rod was up. When the roof is opened, the bent convex part of the sickle-shaped connecting rod is just clamped at the edge of the sliding side 114, so that the roof body 106 can be more thoroughly moved out to the sliding side 114, and the operation space of the roof opening 116 is prevented from being influenced. The other structures are the same as those of embodiment 1.

Example 4

As shown in fig. 9, the bottom plate frame structure 201 of the bottom door opening and closing device of the present embodiment is provided with a left and right support beam 222, one side of the support beam 222 is provided with a front and rear support member 221, the support member 221 is provided with a second roller 223, the rotation direction of the second roller 223 is front and rear rotation, the lower surface of the bottom plate 202 is connected to the second roller 223 in a rolling manner, and the other side of the support beam 222 is provided with a rotating shaft support 220 for supporting the rotating shaft 203 from the bottom. The rest of the structure was the same as in example 3.

Example 5

In the bulk cargo carrier of the present embodiment, a wear plate 210 is provided between the floor frame structure 201 and the sub-frame 208 of the bottom door opening/closing device 3. The rest of the structure was the same as in example 4.

Example 6

In the bulk cargo transport vehicle of the embodiment, the funnel mechanism comprises a plurality of funnel units arranged at intervals along the length direction of the carriage 1, each funnel unit comprises two horizontally arranged funnels at intervals, the funnel opening of each funnel is arranged at the bottom of each funnel, and each funnel unit is provided with a bottom door opening and closing device 3; the number of the bottom plates 202 of the bottom door opening and closing device 3 is two, and the two bottom plates 202 correspond to the two hopper openings respectively. Each funnel unit further comprises a fulcrum mount 209; the lock cylinder 216 is fixed on the top of the fulcrum frame 209; the fixing column 229 is fixed on one side of the fulcrum frame 209; the two bottom plates 202 are horizontally arranged on the bottom plate frame structure 201 at intervals and are connected through a balance beam 217; both ends of the balance beam 217 are fixed on the left and right sides of the bottom plate frame structure 201; the fulcrum frame 209 is arranged on the position of the balance beam 217 between the two bottom plates 202; the fore-aft retractor 207 and the lock box 204 are both disposed on the floor frame structure 201 at a location between the two floors 202.

Through such setting, can realize that two funnel mouths in the funnel unit open simultaneously and close, and fulcrum frame 209, front and back telescoping device 207 and lock box 204 all set up the convenient operation and the maintenance of the transport vechicle outside. The rest of the structure was the same as in example 5.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should be regarded as the contents of the present invention.

Claims (10)

1. The bulk cargo transport vehicle is characterized by comprising a carriage, wherein a roof opening is formed in the roof of the carriage, a top cover mechanism is arranged near the roof opening, and the top cover mechanism comprises a top cover body, a sliding mechanism and a driving mechanism; the two sides of the roof opening are respectively provided with a sliding side and a sealing side; the sliding mechanism is arranged on the sliding side, and the sliding track of the sliding mechanism is arranged from inside to outside along the sliding side; one side of the top cover body is connected with the sliding side in a sliding manner through a sliding mechanism, and the other side of the top cover body is connected with the driving mechanism; the driving mechanism is arranged to drive the top cover body to slide along the sliding mechanism;

the hopper mechanism is arranged at the bottom of the carriage, a hopper opening of the hopper mechanism is provided with a bottom door opening and closing device, the bottom door opening and closing device comprises a bottom plate frame structure and a bottom plate, and the bottom plate frame structure is arranged to be fixedly connected to the hopper opening; a front and rear telescopic device is arranged on one side of the bottom plate frame structure, and a telescopic section of the front and rear telescopic device is arranged to be capable of driving the bottom plate to move back and forth along the bottom plate frame structure; the automatic locking device comprises a lock cylinder fixed on one side of the bottom plate, a lock tongue matched with the lock cylinder, and an elastic device for pressing the lock tongue into the lock cylinder; one end of the lock tongue is hinged to one side of the bottom plate frame structure, and the other end of the lock tongue is connected with the elastic device; the elastic device is fixed on one side of the bottom plate frame structure; the middle part of spring bolt is equipped with downward arch, the middle part of the flexible section of front and back telescoping device is equipped with the arch that makes progress, downward arch with it is equipped with first gyro wheel to make progress between the arch.

2. The bulk cargo transport vehicle according to claim 1, wherein the driving mechanism includes a driving source, a transmission shaft, and a connecting rod, one end of the connecting rod is hinged to one side of the top cover body, and the other end of the connecting rod is connected to the transmission shaft; the transmission shaft is arranged to drive the connecting rod to rotate along the circumferential direction of the transmission shaft; the transmission shaft is connected with a driving source, and the driving source is arranged to drive the transmission shaft to rotate; the connecting rod is hook type connecting rod, the long arm tip of hook type connecting rod is fixed in on the transmission shaft, the short arm tip of hook type connecting rod is articulated with one side of top cap body, the protruding position of hook type connecting rod up.

3. The bulk cargo carrier vehicle of claim 2, wherein:

the driving source comprises a telescopic piece and an end connecting rod; the telescopic piece comprises a telescopic cylinder and a telescopic arm; one end of the telescopic cylinder is hinged with the inside of the transport vehicle, and the other end of the telescopic cylinder is provided for the telescopic cylinder to extend out; one end of the end connecting rod is hinged with the telescopic arm, and the other end of the end connecting rod is fixedly connected to the transmission shaft; the number of the telescopic pieces and the number of the end connecting rods are multiple, and the number of the connecting rods is multiple; the transmission shaft is arranged along the length direction of the transport vehicle; the other end of the end connecting rod is connected with the end part of the transmission shaft; the other end of the connecting rod is connected with the middle part of the transmission shaft.

4. The bulk cargo transport vehicle of claim 2, wherein the end of the transmission shaft is provided with an end bearing seat, the middle of the transmission shaft is provided with a middle bearing seat, and the end bearing seat and the middle bearing seat are both fixedly connected with the inner side wall of the transport vehicle; the sliding mechanism comprises at least one sliding rail, the sliding rail is arranged on the sliding side, a sliding block is arranged in the sliding rail, and the sliding block is hinged or fixedly connected with one side of the top cover body.

5. The bulk cargo carrier vehicle according to any one of claims 1 to 4, wherein the bottom plate frame structure is provided with second rollers, and the lower surface of the bottom plate is connected with the second rollers in a rolling manner; a rotating shaft is arranged below the bottom plate, and the end part of the rotating shaft is fixed on the bottom plate frame structure through a bearing; the rotating shaft is provided with a gear, and a rack meshed with the gear is arranged below the bottom plate.

6. The bulk cargo carrier vehicle of claim 5, wherein:

the automatic locking device also comprises a lock box which is fixed on the bottom plate frame structure; the elastic device comprises a pull-up spring and a transmission rod; one end of the pull-up spring is connected to one side of the lock box, the other end of the pull-up spring is rotatably connected to one end of the transmission rod, the other end of the transmission rod is hinged to one end of the lock tongue, the middle of the transmission rod is rotatably connected to one side of the lock box through a pin shaft, and a first rotating wrench is arranged at the end of the pin shaft.

7. The bulk cargo transport vehicle of claim 6, wherein a limit stop is further provided on one side of the lock box to limit the downward pressure limit of the latch.

8. The bulk cargo carrier vehicle according to claim 6, wherein the end of the telescopic section of the front and rear telescopic devices is provided with a strip-shaped hole; the strip-shaped holes are arranged along the telescopic direction of the telescopic device; one side of the bottom plate is provided with a fixing column which can penetrate through the strip-shaped hole.

9. The bulk cargo transporter according to claim 6, further comprising an auxiliary frame corresponding to the floor frame structure, the auxiliary frame being provided on the hopper mouth;

the edge of the bottom plate frame structure is of an L-shaped steel structure, and the L-shaped steel structure is provided with a horizontal edge and a vertical edge; a plurality of first threaded holes are formed in the horizontal edge, a plurality of second threaded holes corresponding to the first threaded holes are formed in the auxiliary frame, and the bottom plate frame structure is in threaded connection with the auxiliary frame; the vertical edge is used for the rotating shaft to pass through; and a second rotary wrench is arranged at the end part of the rotating shaft.

10. The bulk cargo carrier vehicle according to claim 8, wherein the hopper mechanism comprises a plurality of hopper units arranged at intervals along the length direction of the carriage, the hopper units comprise two hoppers arranged at intervals horizontally, the hopper openings are arranged at the bottoms of the hoppers, and each hopper unit is provided with a bottom door opening and closing device; wherein,

the number of the bottom plates of the bottom door opening and closing device is two, and the two bottom plates respectively correspond to the two funnel openings;

the funnel mechanism further comprises a fulcrum frame; the lock cylinder is fixed at the top of the fulcrum frame; the fixed column is fixed on one side of the fulcrum frame;

the hopper mechanism further comprises a balance beam; the two bottom plates are horizontally arranged on the bottom plate frame structure at intervals and are connected through the balance beam; the two ends of the balance beam are fixed on the left side and the right side of the bottom plate frame structure;

the fulcrum frame is arranged at the position of the balance beam between the two bottom plates; the front and rear telescopic devices and the lock box are arranged at the position between the two bottom plates of the bottom plate frame structure.

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