CN113525208B - Special vehicle - Google Patents

Abstract

The invention discloses a special vehicle, which relates to the technical field of self-dumping cars, wherein a carriage is arranged on a frame, two upper cover plates capable of being opened oppositely through an upper cover plate opening assembly are arranged above the carriage, a discharging transmission assembly is arranged in the frame and is arranged at the bottom of the carriage, a rubber conveyor belt is arranged on the discharging transmission assembly, a push plate is arranged above the front end of the frame, the push plate and the rubber conveyor belt are both connected with the discharging transmission assembly, a rear door capable of being opened or closed through a rear door opening assembly is arranged at the rear end of the carriage, a suspension assembly is arranged at the bottom of the frame, and an axle assembly with wheels is arranged on the suspension assembly.

Description

Special vehicle

Technical Field

The invention relates to the technical field of dumper trucks, in particular to a special vehicle.

Background

The self-unloading semi-trailer is mainly used for transporting bulk cargo such as grain, ore, coal, steel and the like. The self-discharging semitrailer mainly comprises a frame, carriages are arranged on two sides of the frame, a chain type discharging mechanism for discharging materials is arranged on the frame, a front baffle is arranged at the front end of the carriage, a rear door is arranged at the rear part of the carriage, a suspension and wheels are arranged below the frame, the existing self-discharging semitrailer basically can meet the transportation requirement, but has some more outstanding problems in the practical use, firstly, the structural strength is required to be improved, the structural strength of the self-discharging semitrailer mainly depends on the frame, the carriages and the connection of the frames and the carriages, most of longitudinal beams in the existing frame adopt approximate C-shaped structures, the structural bearing capacity is general, the deformation can be easily caused under the action of large impact and load, in addition, the existing carriages mainly adopt flat plates or corrugated plates, the structural design of the carriages has poor impact resistance and extrusion capacity, the carriages are easy to deform after being used for a long time, and the welding position of the carriages and the frame is broken. The problem that the frame and/or the carriage are deformed in actual use due to the structural design of the existing frame and carriage is caused, and the welding position is easily welded once the frame and/or the carriage are deformed. Secondly, the chain type discharging mechanism is inconvenient to maintain and repair, and because the chain type discharging mechanism in the self-discharging semitrailer is arranged at the bottom of the carriage, the chain and the conveying belt on the chain bear the impact of materials in the whole carriage and drag the materials to horizontally move for discharging, the chain is easy to damage under the special working environment, and therefore the chain is vital to daily maintenance and repair of the chain, and then the chain is not maintained timely due to the fact that the prior art means mainly depends on manual lubrication and maintenance, and the maintenance effect is poor. In addition, all the conveying belts need to be dismantled during maintenance of the chains, but the existing conveying belts are mainly installed on the cross beam through a plurality of bolts, and the cross beam is welded on the chains, so that hundreds of bolts and nuts need to be dismantled and installed when the conveying belts are dismantled at every time, and the operation is very complicated.

Disclosure of Invention

The invention provides a special vehicle.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a special vehicle, includes the frame, the carriage is equipped with on the frame, the carriage top is equipped with two upper cover plates that can open the subassembly subtend and open through the upper cover plate, the transmission assembly of unloading is equipped with to the frame inside, the transmission assembly of unloading is installed in the carriage bottom, the last rubber conveyor belt that is equipped with of transmission assembly of unloading, the push pedal is equipped with to frame front end top, push pedal, rubber conveyor belt all are connected with the transmission assembly of unloading, the carriage rear end is equipped with can open the back door that the subassembly opened or closed through the back door, the frame bottom is equipped with the suspension subassembly, the axle assembly that is equipped with the wheel is equipped with on the suspension subassembly.

Further, the carriage includes a plurality of strengthening ribs, strengthening ribs fixes in the frame both sides, and the frame is fixed with the wallboard with the strengthening rib inboard of one side, and the roof side rail is equipped with, every to the strengthening rib upper end of every side of frame an upper cover plate opening subassembly, every is equipped with on the roof side rail an upper cover plate opening subassembly is connected with a roll-over stand, the roll-over stand is articulated with the upper cover plate, the side of upper cover plate is articulated with outer bracing piece, the other end and the wallboard outside of outer bracing piece are articulated, the upper cover plate opening subassembly is including opening pneumatic cylinder two, the piston end of opening pneumatic cylinder two is fixed with the rack, every a plurality of erection support three are equipped with on the roof side rail, lie in on same root roof side rail be equipped with the dwang on the erection support three, dwang and roll-over stand fixed connection, the gear is equipped with to the one end of dwang, wheel and rack toothing.

Furthermore, a rear door with a rear door opening assembly is mounted on the rear upright post.

Furthermore, the rear door opening assembly comprises a first opening hydraulic cylinder, the first opening hydraulic cylinder is hinged to the first mounting support, the first mounting support is fixed to the rear stand column, the upper end of the first opening hydraulic cylinder is connected with the rear door through the first connecting pin, a second mounting support is arranged on the rear stand column, and the rear side of the rear door is installed on the second mounting support through the second connecting pin.

Furthermore, a limiting plate is arranged on the rear upright post, a limiting groove is formed in the limiting plate, and the piston for opening the first hydraulic cylinder penetrates out of the limiting groove.

Further, a corner formed between the wall plate of the compartment and the rubber conveyor belt is provided with a rubber strip, and the angle of the corner formed between the wall plate and the rubber conveyor belt is 115-125 degrees.

Further, the wall body has set gradually the erection angle by bottom to top, has held angle one, has held angle two, linkage segment, rubber conveyer belt is equipped with on the erection angle one, the rubber strip has been mated formation to the rubber conveyer belt side, the cross-section of rubber strip is triangle-shaped, and the angle of this triangle-shaped's the biggest angle is unanimous with the turning that forms between wallboard and the rubber conveyer belt.

Further, one side of the rubber strip is in contact with the wall plate, and the other side of the rubber strip is in contact with the rubber conveyor belt.

Further, the unloading transmission assembly comprises a front shaft, the front shaft is installed at the front end of the frame, the rear shaft is installed at the rear end of the frame, chain wheels are installed on the front shaft and the rear shaft, an annular chain assembly is connected between the chain wheels of the front shaft and the chain wheels of the rear shaft in a lap joint mode, the chain assembly is provided with a plurality of chains, each chain assembly comprises a plurality of chain units, each chain unit comprises two inner chain plates which are arranged in parallel, two ends of each inner chain plate are connected through connecting shafts, two ends of each adjacent chain unit are connected through outer chain plates, fixing holes are formed in the inner chain plates, a chain pipe is installed in the fixing holes of the inner chain plates of the chain units on the same horizontal line, the chain pipes are used for supporting rubber conveying belts, sliding rails are installed on the frame, and each chain unit is paved on one sliding rail.

Furthermore, the fixing hole is square, and the chain pipe is a square pipe.

Furthermore, end bearing seats used for being installed on the frame are installed at two ends of the front shaft, and a chain wheel used for being connected with the chain assembly is installed on the front shaft.

Furthermore, a middle bearing seat for middle support is also arranged on the front shaft.

Further, the front axle includes axis body two, two both ends of axis body respectively are equipped with an installation department, the installation department is used for installing the end bearing frame, be provided with a plurality of keyway groups three that are used for installing the sprocket on the axis body two, every keyway group three includes a plurality of keyway three, and keyway three is the angular ring distribution such as on the axis body two.

Furthermore, both ends of the rear shaft are connected with a speed reducer, the speed reducer is fixed on the frame, and a chain wheel for connecting the chain assembly is mounted on the rear shaft.

Furthermore, the rear shaft is also provided with an intermediate bearing seat for supporting the middle part.

Further, the rear axle includes axis body one, two tip of rear axle all are equipped with the keyway group two that are used for connecting the speed reducer, keyway group two includes a plurality of keyways two, still be provided with a plurality of keyways group one that are used for fixed sprocket on the rear axle, keyway group one includes a plurality of keyways one, keyway one and keyway two are angular ring such as distribute on axis body one.

Furthermore, the chain wheel comprises a first body, a plurality of transmission teeth for shifting the chain to move are arranged on the outer circumference of the first body, a mounting hole for the front shaft or the rear shaft to penetrate through is formed in the center of the first body, and a plurality of key grooves for fixing are formed in the mounting hole.

Furthermore, a plurality of support rods parallel to the front shaft are arranged on the frame, and the slide rails are fixed on the support rods.

Furthermore, the suspension assembly comprises two vertical plates which are arranged in parallel, a light cross beam is fixed at each of two ends of each vertical plate, a middle light cross beam is arranged between the two vertical plates, two front suspensions are arranged at the lower ends of the light cross beams at the front ends, two rear suspensions are arranged at the lower ends of the rear ends, and two middle suspensions are arranged at the lower ends of the middle light cross beams.

Furthermore, the two front suspensions are connected through a horizontal pulling circular tube, the two rear suspensions are connected through a horizontal pulling circular tube, and the two middle suspensions are connected through a horizontal pulling circular tube.

Furthermore, the front suspension comprises two suspension panels which are arranged in parallel, a reinforcing plate I is fixed on the upper side of the middle of each suspension panel, and a pull rod seat I used for connecting a wheel is arranged on the lower side of the middle of each suspension panel.

Furthermore, the middle suspension comprises two panels II which are arranged in parallel, a reinforcing plate II is fixed on the upper side of the middle of each panel II, a pull rod seat II used for connecting wheels is arranged on the lower side of the middle of each panel II, and a parallel arm is arranged in the middle of each panel II.

Furthermore, the parallel arm is installed on the second panel through a suspension shaft, and the suspension shaft is fixed through a suspension shaft nut.

Furthermore, the rear suspension comprises two panels III which are arranged in parallel, and a reinforcing plate III is fixed on the upper side of the middle of each panel III.

Furthermore, an outer inclined supporting beam is fixed on the outer side of the vertical plate and the position for fixing the middle light cross beam.

The invention has the following advantages: the invention drives the rack to move by extending out the opening hydraulic cylinders of the upper cover plate opening components at two sides, the rack drives the gear to rotate by moving, so that the rotating rod rotates, the rotating rod simultaneously drives the overturning frame fixedly connected with the rotating rod to swing, the overturning frame is hinged with the lower part of one side of the upper cover plate close to the center of the box body, the lower part of one side of the upper cover plate close to the wall plate is hinged with the outer supporting rod when the box body is closed, and the upper cover plate is opened by the driving of the overturning frame and the supporting of the outer supporting rod. Thereby drive the rear axle through the speed reducer at motor or hydraulic motor drive rear axle both ends and rotate on the jackshaft bearing, when the rear axle rotates, the sprocket through the key-type connection on the rear wheel also rotates thereupon, the chain is stirred forward or backward movement through the driving tooth on it in the rotation of sprocket, the direction of motion of chain is decided by the direction of rotation of rear axle, when the sprocket rotates, sprocket on can insert between two connecting axles of chain unit all the time to the driving tooth, during the chain motion, connecting axle and the slide rail contact on the chain unit, played the chain support with spacing effect, it removes to drive the chain pipe simultaneously to the chain motion, thereby driven the rubber conveyor who paves on the chain pipe and under the combined action of the push pedal motion that the chain drove, accomplished the unloading to the material.

Drawings

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a third schematic perspective view of the present invention;

FIG. 4 is a schematic structural view of a drive discharge assembly of the present invention;

FIG. 5 is a first enlarged view of a portion of FIG. 4 in accordance with the present invention;

FIG. 6 is a second enlarged view of the portion of FIG. 4 in accordance with the present invention;

FIG. 7 is a schematic view of a front axle mounting arrangement of the present invention;

FIG. 8 is a schematic view of a rear axle mounting arrangement of the present invention;

FIG. 9 is a schematic view of the construction of the rear axle of FIG. 8 in accordance with the present invention;

FIG. 10 is a schematic view of the front axle of FIG. 7 according to the present invention;

FIG. 11 is a schematic view of the construction of the sprocket of the present invention;

FIG. 12 is a first view of the chain assembly of the present invention;

FIG. 13 is a second schematic view of the connection of the chain assembly of the present invention;

FIG. 14 is a schematic structural view of a slide rail according to the present invention;

FIG. 15 is a schematic view of the structure of the passenger compartment of the present invention;

FIG. 16 is a schematic view of the wagon of the present invention with portions of the wagon removed;

FIG. 17 is a first enlarged view of the portion of FIG. 16 in accordance with the present invention;

FIG. 18 is a second enlarged view of the portion of FIG. 16 in accordance with the present invention;

FIG. 19 is a first schematic view of a material leakage preventing assembly according to the present invention;

FIG. 20 is a second schematic view of a material leakage preventing assembly according to the present invention;

FIG. 21 is an enlarged view of a portion of FIG. 20 in accordance with the present invention;

FIG. 22 is a first perspective view of a suspension assembly of the present invention;

FIG. 23 is a perspective view of a second embodiment of the suspension assembly of the present invention;

FIG. 24 is a schematic view of the front suspension of FIG. 23 in accordance with the present invention;

FIG. 25 is a first schematic view of the center suspension of FIG. 23 according to the present invention;

FIG. 26 is a second schematic view of the intermediate suspension of FIG. 23 in accordance with the present invention;

FIG. 27 is a first schematic view of the rear suspension of FIG. 23 in accordance with the present invention.

In the figure, 1 a frame, 2 a discharge transmission assembly, 201 a slide rail, 20101 a body, 20102 a contact part and 20103 a fixing part; 202 rear axle, 20201 first axle body, 20202 first key groove, 20203 second key groove; 203 front shaft, 20301 shaft body II, 20302 mounting part and 20303 key groove III; 204. the chain assembly comprises a 20401 inner chain plate, a 20402 connecting shaft and a 20403 outer chain plate; 205 speed reducers, 207 chain pipes, 208 supporting rods, 3 push plates, 4 wall plates, 5 reinforcing ribs, 6 upper cover plates, 7 rear upright columns, 8 rear doors, 9 rear door opening assemblies, 901 opening hydraulic cylinders, 902 mounting supports I, 903 limiting plates, 904 connecting pins I, 905 mounting supports II and 906 connecting pins II; 10. the device comprises a roll-over stand, 11 an upper cover plate opening assembly, 1101 an opening hydraulic cylinder I, 1102 racks, 1103 gears and 1104 rotating rods; 12 rubber strips, 13 rubber conveyor belts, 14 outer support rods, 16 mounting supports III, 17 axle assemblies, 18 upper side beams, 19 suspension assemblies, 1901 vertical plates, 1902 middle light beams, 1903 end light beams, 1904 outer inclined support beams, 1905 front suspensions, 190501 suspension panels, 190502 reinforcing plates I and 190503 pull rod seats I; 1906 suspension, 190601 faceplate two, 190602 gusset plate two, 190603 parallel arm, 190604 suspension shaft, 190605 tie bar seat two, 190606 suspension shaft nut; 1907 rear suspension, 190701 panel three, 190702 gusset plate three; 1908 flat drawing round tube, 21 middle bearing seat, 22 chain wheel, 2201 body one, 2202 driving tooth, 2203 mounting hole, 2204 key slot four, 23 end bearing seat.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a special vehicle comprises a vehicle frame 1, a carriage is arranged on the vehicle frame 1, two upper cover plates 6 capable of being opened oppositely through an upper cover plate opening assembly 11 are arranged above the carriage, an unloading transmission assembly 2 is arranged in the vehicle frame 1, the unloading transmission assembly 2 is arranged at the bottom of the carriage, a rubber conveyor belt 13 is arranged on the unloading transmission assembly 2, a push plate 3 is arranged above the front end of the vehicle frame 1, the push plate 3 and the rubber conveyor belt 13 are both connected with the unloading transmission assembly 2, a rear door 8 capable of being opened or closed through a rear door opening assembly 9 is arranged at the rear end of the carriage, a suspension assembly 19 is arranged at the bottom of the vehicle frame 1, and an axle assembly 17 with wheels is arranged on the suspension assembly 19.

Referring to fig. 15-18, the compartment includes a plurality of reinforcing ribs 5, the reinforcing ribs 5 are fixed on two sides of the frame 1, a wall panel 4 is fixed on the inner side of the reinforcing rib 5 on the same side of the frame 1, a roof side rail 18 is installed at the upper end of the reinforcing rib 5 on each side of the frame 1, each roof side rail 18 is provided with an upper cover plate opening assembly 11, each upper cover plate opening assembly 11 is connected with a roll-over stand 10, the roll-over stand 10 is hinged to the upper cover plate 6, the side surface of the upper cover plate 6 is hinged to an outer support rod 14, the other end of the outer support rod 14 is hinged to the outer side of the wall panel 4, the upper cover plate opening assembly 11 includes a second opening hydraulic cylinder 1101, a rack 1102 is fixed at the tail end of a piston of the second opening hydraulic cylinder 1101, a plurality of third installation supports 16 are installed on each roof side rail 18, a rotating rod is installed on the third installation support 16 on the same roof side rail 18, the rotating rod 1104 is fixedly connected to the roll-over stand 10, a gear 1103 is installed at one end of the 1104, and a gear 1103 is engaged with the rack 1102.

And a rear door 8 with a rear door opening assembly 9 is arranged on the rear upright post 7. The rear door opening assembly 9 comprises a first opening hydraulic cylinder 901, the first opening hydraulic cylinder 901 is hinged to a first mounting support 902, the first mounting support 902 is fixed to a rear upright post 7, the upper end of the first opening hydraulic cylinder 901 is connected with a rear door 8 through a first connecting pin 904, a second mounting support 905 is mounted on the rear upright post 7, and the rear side of the rear door 8 is mounted on the second mounting support 905 through a second connecting pin 906. A limiting plate 903 is installed on the rear upright post 7, a limiting groove is formed in the limiting plate 903, and a piston for starting the first hydraulic cylinder 901 penetrates out of the limiting groove.

When in unloading, the rear door 8 needs to be opened firstly, the opening mode of the rear door 8 extends out through the opening hydraulic cylinder II 1101 of the upper cover plate opening assemblies 11 on the two sides to drive the rack 1102 to move, the movement of the rack 1102 drives the gear 1103 to rotate, so that the rotating rod 1104 rotates, the rotating rod 1104 drives the turnover frame 10 fixedly connected with the rotating rod 1104 to swing, the turnover frame 10 is hinged with the lower part of one side, close to the center of the box body, of the upper cover plate 6, the lower part, close to the wallboard 4, of the upper cover plate 6 is hinged with the outer support rod 14 when the box body is closed, and the upper cover plate 6 is opened through the support of the outer support rod 14 driven by the turnover frame 10.

Referring to fig. 19-21, the rubber strip 12 is installed at the corner formed between the wall panel 4 of the compartment and the rubber belt 13, and the angle of the corner formed between the wall panel 4 and the rubber belt 13 is 115-125 °. The wall body is by having set gradually the installation angle from bottom to top, hold angle one, hold angle two, linkage segment, hold angle one and be 150, and the angle of linkage segment is 90, rubber conveyor belt 137 is equipped with on the installation angle one, rubber conveyor belt side is mated formation has rubber strip 12, the cross-section of rubber strip 12 is triangle-shaped, and the angle at this triangle-shaped's the biggest angle is unanimous with the turning that forms between wallboard 4 and the rubber conveyor belt 13. One side of the rubber strip 12 is in contact with the wall panel 4 and the other side of the rubber strip 12 is in contact with the rubber conveyor belt 13.

The lower side surface of the rubber strip 12 is tightly contacted and pressed with the rubber conveying belt 13 at the bottom, and the other side surface is tightly contacted and pressed with the wall plate 4 at the same time, so that the function of preventing materials from leaking is achieved. The compressing mode is fixed through bolt connection. The invention avoids the advantages of connection between the iron component and the rubber component, prolongs the service life, and has the advantages of stronger filling buffer and better sealing because the rubber component and the bottom conveyor belt are rubber products.

The rubber strip 12 is used for bolt connection, flattening and fastening from the front end to the rear end of two sides of the vehicle body, and the cross section of the rubber part is triangular or fan-shaped. The two ends of the rubber strip 12 are arc-shaped, and a gap is arranged in the rubber strip 12, and a round hole, a square hole or a polygonal hole is arranged on the rubber strip 12.

Referring to fig. 4-6, the unloading transmission assembly 2 is arranged on the frame 1, the push plate 3 is arranged above the front end of the frame 1, and the push plate 3 is connected with the unloading transmission assembly 2.

The unloading transmission assembly 2 comprises a front shaft 203, the front shaft 203 is mounted at the front end of the frame 1, the rear end of the frame 1 is provided with a rear shaft 202, the front shaft 203 and the rear shaft 202 are respectively provided with a chain wheel 22, an annular chain assembly 204 is lapped between the chain wheel 22 of the front shaft 203 and the chain wheel 22 of the rear shaft 202, the chain assembly 204 is provided with a plurality of chains, referring to fig. 12-13, the chain assembly 204 comprises a plurality of chain units, each chain unit comprises two inner chain plates 20401 which are arranged in parallel, two ends of each inner chain plate 20401 are connected through a connecting shaft 02, two ends of each two adjacent chain units are connected through an outer chain plate 20403, each inner chain plate 20401 is provided with a fixing hole, one chain pipe 207 is mounted in the fixing hole of the inner chain plate 20401 of the chain units on the same horizontal line, the chain pipe 207 is used for supporting the rubber conveyor belt 13, the frame 1 is provided with a slide rail 201, and each chain unit is paved on one slide rail 201. The fixed orifices are square, and the chain pipe 207 is a square pipe. Referring to fig. 14, the slide rail 201 includes a vertical plate, a contact portion 20102 for contacting the sprocket 22 is provided at an upper end of the vertical plate, and a fixing portion 20103 for fixing to a support plate is provided at a lower end of the vertical plate.

Referring to fig. 7 and 10, the front axle 203 is provided with a sprocket 22 at both ends for mounting on the frame 1, and the front axle 203 is provided with a sprocket 23 for connecting a chain assembly 204. The front shaft 203 is also provided with an intermediate bearing seat 21 for intermediate support. The front axle 203 includes the second 20301 of axis body, the second 20301 both ends of axis body respectively are equipped with an installation department 20302, the installation department 20302 is used for installing 23, be provided with a plurality of keyway groups three that are used for installing sprocket 22 on the second 20301 of axis body, every keyway group three includes a plurality of keyway groups three 20303, and the keyway group three 20303 is the angular ring distribution such as on the second 20301 of axis body. Both ends of the rear shaft 202 are connected with a speed reducer 205, the speed reducer 205 is fixed on the frame 1, and the rear shaft 202 is provided with a chain wheel 22 for connecting a chain component 204.

Referring to fig. 8-9, the rear axle 202 is also provided with an intermediate bearing block 21 for mid-support. The rear shaft 202 comprises a first shaft body 20201, a second key groove group used for being connected with the speed reducer 205 is arranged at each of two end portions of the rear shaft 202 and comprises a plurality of second key grooves 20203, a first key groove group used for fixing the chain wheel 22 is further arranged on the rear shaft 202 and comprises a plurality of first key grooves 20202, and the first key grooves 20202 and the second key grooves 20203 are annularly distributed on the first shaft body 20201 at equal angles.

Referring to fig. 11, the sprocket 22 includes a first body 2201, a plurality of driving teeth 2202 for driving the chain to move are disposed on an outer circumference of the first body 2201, a mounting hole 2203 for the front shaft 203 or the rear shaft 202 to pass through is disposed in a center of the first body 2201, and a plurality of key slots four 22204 for fixing are disposed in the mounting hole 2203.

When discharging, the speed reducer 205 at two ends of the rear shaft 202 is driven by a motor or a hydraulic motor to drive the rear shaft 202 to rotate on the intermediate bearing block 21, when the rear shaft 202 rotates, the chain wheel 22 connected with the rear wheel through a key also rotates along with the rear wheel, the chain wheel 22 rotates to stir the chain to move forwards or backwards through the transmission teeth 2202 on the chain wheel 22, the moving direction of the chain is determined by the rotating direction of the rear shaft 202, when the chain wheel 22 rotates, the transmission teeth 2202 on the chain wheel 22 can be always inserted between the two connecting shafts 20402 of the chain unit, when the chain moves, the connecting shafts 20402 on the chain unit contact with the sliding rails 201 to support and limit the chain, and the chain moves while driving the chain pipe 207 to move, so that the rubber conveyor belt 13 on the chain pipe 207 is driven to move and the push plate 3 driven by the chain moves, and discharging of the material is completed.

A plurality of support rods 208 parallel to the front shaft 203 are arranged on the frame 1, and the slide rail 201 is fixed on the support rods 208.

Referring to fig. 22 to 23, the suspension assembly 19 includes two vertical plates 1901 arranged in parallel, two ends of each vertical plate 1901 are respectively fixed with an end light beam 1903, a middle light beam 1902 is installed between the two vertical plates 1901, two front suspensions 1905 are installed at the lower end of the end light beam 1903 located at the front end, two rear suspensions 1907 are installed at the lower end located at the rear end, and two middle suspensions 1906 are installed at the lower end of the middle light beam 1902. The two front suspensions 1905 are connected by a tie-down pipe 1908, the two rear suspensions 1907 are connected by a tie-down pipe 1908, and the two middle suspensions 1906 are connected by a tie-down pipe 1908.

Referring to fig. 24, the front suspension 1905 includes two parallel suspension panels 190501, a reinforcement plate 190502 is fixed on the upper middle side of the two suspension panels 190501, and a tie bar seat 190503 for connecting a wheel is installed on the lower middle side of the two suspension panels 190501.

Referring to fig. 25 to 26, the middle suspension 1906 includes two parallel panels 190601, a reinforcing plate 190602 is fixed on the upper side of the middle of the two panels 190601, a tie bar seat 190605 for connecting a wheel is installed on the lower side of the middle of the two panels 190601, and a parallel arm 190603 is installed in the middle of the two panels 190601. The parallel arm 190603 is mounted to the second panel 190601 by a hanger shaft 190604, the hanger shaft 190604 being secured by a hanger shaft nut 190606.

Referring to fig. 27, the rear suspension 1907 includes two panels three 190701 arranged in parallel, and a reinforcing plate three 190702 is fixed to an upper side of a middle of the two panels three 190701. An outer raker beam 1904 is fixed at a position outside the vertical plate 1901 and fixed with the middle light beam 1902.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims (10)

1. A special vehicle, characterized in that: the automatic unloading device comprises a frame, wherein a carriage is arranged on the frame, two upper cover plates capable of being opened oppositely through an upper cover plate opening assembly are arranged above the carriage, an unloading transmission assembly is arranged in the frame and is arranged at the bottom of the carriage, a rubber conveyor belt is arranged on the unloading transmission assembly, a push plate is arranged above the front end of the frame, the push plate and the rubber conveyor belt are both connected with the unloading transmission assembly, a rear door capable of being opened or closed through a rear door opening assembly is arranged at the rear end of the carriage, a suspension assembly is arranged at the bottom of the frame, and an axle assembly with wheels is arranged on the suspension assembly; the carriage comprises a plurality of reinforcing ribs which are fixed on two sides of the frame, the inner sides of the reinforcing ribs on the same side of the frame are fixed with wallboards, and the wallboards extend to the lower part of the rubber conveyor belt; a rubber strip is arranged at a corner formed between the wall plate of the carriage and the rubber conveyor belt, the section of the rubber strip is triangular, and the maximum angle of the triangle is consistent with the corner formed between the wall plate and the rubber conveyor belt; one side of the rubber strip is in contact with the wall plate, and the other side of the rubber strip is arranged above the rubber conveying belt and is in contact with the rubber conveying belt.

2. A special vehicle as claimed in claim 1, characterized in that the upper edge beam is mounted at the upper end of the reinforcing rib on each side of the frame, an upper cover plate opening assembly is mounted on each upper edge beam, each upper cover plate opening assembly is connected with a roll-over stand, the roll-over stand is hinged to the upper cover plate, the side face of the upper cover plate is hinged to the outer support rod, the other end of the outer support rod is hinged to the outer side of the wallboard, the upper cover plate opening assembly comprises an opening hydraulic cylinder II, a rack is fixed to the end of a piston of the opening hydraulic cylinder II, each rack is mounted on each upper edge beam, a plurality of mounting supports III are mounted on each upper edge beam, a rotating rod is mounted on each mounting support III and located on the same upper edge beam, the rotating rod is fixedly connected with the roll-over stand, a gear is mounted at one end of the rotating rod, and the gear is meshed with the rack.

3. A specialty vehicle according to claim 1, wherein said rear pillar is provided with a rear door having a rear door opening assembly.

4. A special vehicle according to claim 3, wherein the rear door opening assembly comprises a first opening hydraulic cylinder, the first opening hydraulic cylinder is hinged to a first mounting support, the first mounting support is fixed to the rear upright, the upper end of the first opening hydraulic cylinder is connected with the rear door through a first connecting pin, a second mounting support is mounted on the rear upright, and the rear side of the rear door is mounted on the second mounting support through a second connecting pin.

5. A specialty vehicle according to claim 1, wherein said wall panel is angled at a corner between 115 ° and 125 ° to the rubber conveyor belt.

6. A special vehicle according to claim 5, wherein the wall panel is provided with a mounting corner, a first containing corner, a second containing corner and a connecting section in sequence from bottom to top, and the first mounting corner is provided with a rubber conveyor belt.

7. A special vehicle as claimed in claim 1, wherein the discharge drive assembly comprises a front axle, the front axle is mounted at the front end of the frame, the rear end of the frame is provided with a rear axle, the front axle and the rear axle are respectively provided with a chain wheel, an annular chain assembly is lapped between the chain wheel of the front axle and the chain wheel of the rear axle, the chain assembly comprises a plurality of chain units, each chain unit comprises two inner chain plates arranged in parallel, two ends of each inner chain plate are connected through a connecting shaft, two ends of each two adjacent chain units are connected through an outer chain plate, the inner chain plates are provided with fixing holes, a chain pipe is mounted in the fixing holes of the inner chain plates of the chain units on the same horizontal line, the chain pipes are used for supporting the rubber conveyor belt, the frame is provided with slide rails, and each chain unit is paved on a slide rail.

8. A special vehicle according to claim 7, wherein end bearing blocks for mounting on a frame are mounted at two ends of the front axle, a chain wheel for connecting chain components is mounted on the front axle, the front axle comprises a second axle body, a mounting portion is respectively arranged at two ends of the second axle body and used for mounting the end bearing blocks, a plurality of key groove sets III for mounting the chain wheel are arranged on the second axle body, each key groove set III comprises a plurality of key grooves III, and the key grooves III are annularly distributed on the second axle body at equal angles.

9. A special vehicle according to claim 7, wherein the rear axle is connected at both ends with a speed reducer, the speed reducer is fixed to the frame, the rear axle is provided with a sprocket for connecting a chain assembly, the rear axle comprises a first axle body, a second key groove group for connecting the speed reducer is arranged at both ends of the rear axle, the second key groove group comprises a plurality of second key grooves, the rear axle is further provided with a plurality of first key groove groups for fixing the sprocket, the first key groove groups comprise a plurality of first key grooves, and the first key grooves and the second key grooves are annularly distributed on the first axle body at equal angles.

10. The special vehicle as claimed in claim 7, wherein the sprocket comprises a first body, a plurality of transmission teeth for shifting the chain are arranged on the outer circumference of the first body, a mounting hole for the front axle or the rear axle to pass through is formed in the center of the first body, and a plurality of key slots for fixing are formed in the mounting hole.

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