CN115838086B

CN115838086B - New energy movable bulk cargo car unloading device

Info

Publication number: CN115838086B
Application number: CN202310159547.5A
Authority: CN
Inventors: 王玉建; 张坡
Original assignee: Shandong Nuoyan Technology Co ltd
Current assignee: Shandong Nuoyan Technology Co ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-05-09
Anticipated expiration: 2043-02-24
Also published as: CN115838086A

Abstract

The utility model discloses a new energy mobile bulk cargo car unloading device, which comprises a chassis and a turnover platform movably connected with the chassis, wherein a lifting mechanism for lifting the turnover platform is arranged on the chassis, the lifting mechanism is arranged on two sides of the turnover platform, and a passive supporting mechanism is also arranged on the chassis; the passive supporting mechanism comprises a telescopic supporting rod, the supporting rod is fixedly connected to the underframe, and a supporting plate for preventing the overturning platform from falling is arranged on the supporting rod. According to the new energy mobile bulk cargo car unloading device provided by the utility model, when the overturning platform accidentally falls, the supporting plate plays a supporting role on the overturning platform, namely, when the overturning platform falls, the overturning platform can be immediately lapped on the supporting plate and then stopped falling, so that the negative influence caused by direct collision between the overturning platform and the underframe is avoided. The chassis is also provided with liftable wheels, a motor and a new energy storage battery, so that the new energy movable bulk cargo unloading device can be moved conveniently.

Description

New energy movable bulk cargo car unloading device

Technical Field

The utility model relates to the field of bulk cargo loading and unloading, in particular to a new energy mobile bulk cargo car unloading device.

Background

As known, large-tonnage trucks generally do not have a self-unloading function due to overload bearing, and can only be unloaded manually or by means of an unloading device when moving goods to a destination, wherein the manual unloading is low in unloading efficiency, and the labor cost of unloading is greatly increased, so that the unloading device for assisting a large-tonnage automobile is as follows: the driver drives the car to the upset platform of unloading device and fix, promotes the upset platform through hydraulic means for the car slope, thereby the goods in the carriage can follow its afterbody landing, thereby realizes the unloading operation.

The hydraulic plate unloader comprises a bottom frame, a plate turning and discharging device, universal wheels are arranged at four corners of the bottom frame, hydraulic lifting rods are arranged on the left sides of the front surface and the rear surface of the bottom frame, a hinged frame is arranged on the right side of the top of the bottom frame, the plate turning is arranged on the top surface of the bottom frame, the right side of the plate turning is connected with the bottom frame through the hinged frame, mounting frames are arranged on the left sides of the front surface and the rear surface of the plate turning, the mounting frames are connected with the hydraulic lifting rods, and the discharging device is arranged on the right side of the bottom frame.

In the prior art, the unloading device is provided with a stress concentration point, for example, the connection point of the hydraulic rod and the bracket is the stress concentration point, when the hydraulic rod and the bracket are broken or the bolt is loosened, the overturning platform can fall suddenly, the overturning platform has higher height when being in an unloading state, and the unloading device in the prior art has the potential safety hazard.

Disclosure of Invention

The utility model aims to provide a new energy mobile bulk cargo car unloading device so as to solve the defects in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions:

the new energy mobile bulk cargo car unloading device comprises a chassis and a turnover platform movably connected with the chassis, wherein a lifting mechanism for lifting the turnover platform is arranged on the chassis, the lifting mechanism is arranged on two sides of the turnover platform, and a passive supporting mechanism is also arranged on the chassis;

the passive supporting mechanism comprises a telescopic supporting rod, the supporting rod is fixedly connected to the underframe, and a supporting plate for preventing the overturning platform from falling is arranged on the supporting rod.

The novel energy mobile bulk cargo car unloading device is characterized in that a buffer assembly is arranged on the supporting plate and comprises a spring rod and a lapping plate, and two ends of the spring rod are fixedly connected with the supporting plate and the lapping plate respectively.

The novel energy mobile bulk cargo car unloading device comprises a lifting mechanism, wherein the lifting mechanism comprises a hydraulic cylinder and a piston rod connected with the output end of the hydraulic cylinder, a fixed seat is connected to the underframe through a bolt, a portal frame is connected to the overturning platform through a bolt, the hydraulic cylinder is rotationally connected with the fixed seat, and the piston rod is rotationally connected with the portal frame.

According to the new energy mobile bulk cargo car unloading device, the underframe and the overturning platform are provided with the threaded holes matched with the bolts.

The novel energy movable bulk cargo car unloading device comprises a supporting sleeve and a sliding rod connected with the supporting sleeve in a sliding mode, wherein the supporting sleeve is fixedly connected to the underframe, a connecting plate is fixedly connected to the sliding rod, the connecting plate is connected with the supporting plate in a rotating mode, a limiting plate is fixedly connected to the supporting sleeve, a transmission rod is connected to the limiting plate in a sliding mode, a lantern ring is fixedly connected to the piston rod, a connecting rod is movably connected between the transmission rod and the lantern ring, a protruding block is arranged on the transmission frame, a clamping block is connected to the sliding rod in a sliding mode, and the protruding block is arranged in the clamping block in a penetrating mode.

According to the novel energy mobile bulk cargo car unloading device, the avoidance groove matched with the supporting plate is formed in the underframe.

The novel energy movable bulk cargo car unloading device, the slide bar with be provided with the check subassembly between the support sleeve, the check subassembly includes the check board, the check board rigid coupling in support sleeve inner wall, be provided with the cavity in the slide bar, elastic connection has the block in the cavity, the block with the check board joint.

The novel energy mobile bulk cargo car unloading device, the non-return assembly further comprises a lifting rod, one end of the lifting rod is fixedly connected to the clamping block, the other end of the lifting rod is fixedly connected with an abutting plate, and the abutting plate is abutted with the blocking block.

According to the novel energy mobile bulk cargo car unloading device, the telescopic wheels are arranged on the underframe, and the novel energy storage battery for the wheels is further arranged on the underframe.

According to the novel energy mobile bulk cargo car unloading device, the overturning platform is rotationally connected with the plurality of groups of wheel stoppers, and the wheel stoppers are uniformly distributed in the length direction of the overturning platform.

In the technical scheme, the novel energy mobile bulk cargo car unloading device is characterized in that the supporting plate is additionally arranged between the overturning platform and the underframe, the supporting plate can be lifted along with the lifting mechanism and is always positioned below the overturning platform, when the overturning platform accidentally falls down, the supporting plate below the overturning platform plays a role in supporting the overturning platform, namely, when the overturning platform falls down, the overturning platform can be immediately lapped on the supporting plate and then the overturning platform stops falling, so that the negative influence caused by direct collision between the overturning platform and the underframe is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic view of an external overall structure according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an external side view structure according to an embodiment of the present utility model;

FIG. 3 is a partial cross-sectional view taken at a-a of FIG. 2;

FIG. 4 is a schematic diagram of the overall structure of a blocking piece according to an embodiment of the present utility model;

FIG. 5 is an enlarged schematic view of the partial structure at A in FIG. 1;

fig. 6 is an enlarged schematic view of a partial structure at B in fig. 3.

Reference numerals illustrate:

1. a chassis; 2. a turnover platform; 3. a lifting mechanism; 4. a passive support mechanism; 5. a support rod; 5.1, supporting the sleeve; 5.2, sliding bars; 6. a support plate; 7. a first rotating shaft; 8. a buffer assembly; 9. a spring rod; 10. a lapping plate; 11. a hydraulic cylinder; 12. a piston rod; 13. a fixing seat; 14. a bolt; 15. a portal frame; 16. a threaded hole; 17. a connecting plate; 18. a limiting plate; 19. a transmission rod; 20. a collar; 21. a connecting rod; 22. a bump; 23. a clamping block; 24. a second rotating shaft; 25. lifting holes; 26. an avoidance groove; 27. a non-return assembly; 28. a check plate; 29. a cavity; 30. a blocking piece; 30.1, a first wedge; 30.2, a second wedge; 31. a rebound spring; 32. a transverse slot; 33. a lifting rod; 34. a double-sided abutment plate; 35. a gearbox; 36. a gear; 37. a toothed plate; 38. a wheel; 40. a wheel lifting mechanism; 41. a wheel blocking device.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1-6, the new energy mobile bulk cargo car unloading device provided by the embodiment of the utility model comprises a chassis 1 and a turnover platform 2 movably connected with the chassis 1, wherein a lifting mechanism 3 for lifting the turnover platform 2 is arranged on the chassis 1, the lifting mechanism 3 is arranged on two sides of the turnover platform 2, and a passive supporting mechanism 4 is also arranged on the chassis 1; the passive supporting mechanism 4 comprises a telescopic supporting rod 5, the supporting rod 5 is fixedly connected to the underframe 1, and a supporting plate 6 for preventing the turnover platform 2 from falling is arranged on the supporting rod 5.

Specifically, the underframe 1 and the turnover platform 2 are both in rectangular plate-shaped structures, a first rotating shaft 7 is movably connected, namely, the turnover platform 2 and the underframe 1 are arranged, the underframe 1 is arranged in parallel with the ground, the turnover platform 2 can rotate around the first rotating shaft 7 in the vertical direction, the lifting mechanism 3 is preferably hydraulically driven, generally, two opposite sides of the turnover platform 2 are respectively provided with a hydraulic rod, which is not described in detail in the prior art, one of the innovation points of the utility model is that a support rod 5 and a support plate 6 on the support rod 5 are provided, the support rod 5 is fixedly connected on the underframe 1 and symmetrically arranged at two sides of the turnover platform 2, the support rod 5 is telescopic, namely, the support rod 5 adopts a composite structure, the height of the support rod in the vertical direction is adjustable, the support plate 6 is rectangular and is arranged between the two support rods 5, the lifting mechanism 3 lifts one end of the turnover platform 2 far away from the first rotating shaft 7 to a certain height when the automobile reaches a designated position, so that the turnover platform 2 can rotate around the first rotating shaft 7, the turnover platform 2 is in an inclined state, so that cargoes in a carriage slide from the rear of the automobile, when an abnormality occurs in a connecting node of the lifting mechanism 3 in the unloading process, the lifting mechanism 3 can not continuously provide power for the turnover platform 2, the turnover platform 2 reversely rotates around the first rotating shaft 7 under the action of gravity, a supporting plate 6 below the turnover platform can play a supporting role on the turnover platform 2, namely, the turnover platform 2 can be immediately lapped on the supporting plate 6 when falling, and then falling is stopped, the falling height of the turnover platform 2 is reduced, the impact force of the turnover platform 2 when falling is reduced, and the turnover platform 2 can be prevented from colliding with the underframe 1, so that the negative influence caused by the direct collision of the turnover platform 2 and the underframe 1 is avoided.

Further, the supporting plate 6 is provided with the buffer assembly 8, the buffer assembly 8 comprises a spring rod 9 and a lapping plate 10, two ends of the spring rod 9 are fixedly connected with the supporting plate 6 and the lapping plate 10 respectively, specifically, the spring rods 9 are not less than four and are uniformly arranged between the supporting plate 6 and the lapping plate 10, and the buffer assembly is used for preferentially contacting the lapping plate 10 when the turnover platform 2 falls and then compressing the spring rod 9, so that impact force when the turnover platform 2 falls can be buffered.

Preferably, the lifting mechanism 3 includes the pneumatic cylinder 11 and the piston rod 12 that is connected with the pneumatic cylinder 11 output, be connected with fixing base 13 through bolt 14 on the chassis 1, be connected with portal frame 15 through bolt 14 on the upset platform 2, the pneumatic cylinder 11 with fixing base 13 rotates to be connected, piston rod 12 with portal frame 15 rotates to be connected, and specifically, the lifting mechanism 3 is provided with two, is located upset platform 2 both sides respectively, and portal frame 15 is approximately trapezoidal portal frame, all is provided with the go-between on pneumatic cylinder 11 and piston rod 12, all rigid coupling has the fixed axle with the through-hole looks adaptation of go-between on fixing base 13 and portal frame 15, and the go-between is connected with the fixed axle rotation, and the effect of setting so lies in that the piston rod 12 of its output of pneumatic cylinder 11 drive extends to make the connection around the fixed axle rotation, thereby make during upset platform 2 slope lift pneumatic cylinder 11 and piston rod 12 also can be along with the slope.

Further, the chassis 1 and the turnover platform 2 are provided with a plurality of groups of threaded holes 16 adapted to the bolts 14, so that the threaded connection, that is, the fixing seat 13 and the portal frame 15 can be detached, and the positions of the hydraulic cylinder 11 and the portal frame 15 can be adjusted by connecting the bolts 14 on the fixing seat 13 and the portal frame 15 with different threaded holes 16, so that the device can adjust the hydraulic supporting position based on actual conditions to provide the most efficient unloading supporting point.

Preferably, the supporting rod 5 comprises a supporting sleeve 5.1 and a sliding rod 5.2 which is in sliding connection with the supporting sleeve 5.1, the supporting sleeve 5.1 is fixedly connected to the underframe 1, a connecting plate 17 is fixedly connected to the sliding rod 5.2, the connecting plate 17 is rotationally connected with the supporting plate 6, a limiting plate 18 is fixedly connected to the supporting sleeve 5.1, a transmission rod 19 is slidably connected to the limiting plate 18, a lantern ring 20 is fixedly connected to the piston rod 12, a connecting rod 21 is movably connected between the transmission rod 19 and the lantern ring 20, a bump 22 is arranged on the transmission rod 19, a clamping block 23 is slidably connected to the sliding rod 5.2, the bump 22 is arranged in the clamping block 23 in a penetrating manner, specifically, the cross sections of the supporting sleeve 5.1 and the sliding rod 5.2 are all preferably square, the connecting plate 17 comprises a vertical plate and a cross rod, two ends of the cross rod are fixedly connected with the sliding rod 5.2 and the vertical plate respectively, a sliding groove is formed in the limiting plate 18, the driving rod 19 is L-shaped, the long side of the driving rod is in sliding connection with the chute, the lug 22 is positioned on the short side of the driving rod 19, the driving rod 19 and the lantern ring 20 are fixedly connected with connecting shafts, two ends of the connecting rod 21 are respectively and rotatably connected with the two connecting shafts, the clamping block 23 is -shaped, the lug 22 is inserted into the clamping block 23, two ends of the supporting plate 6 are fixedly connected with the second rotating shaft 24, the second rotating shaft 24 is rotatably connected with the connecting plate 17, the sliding rod 5.2 is provided with a lifting hole 25, the clamping block 23 is in sliding connection with the lifting hole 25, the function of the arrangement is that when the piston rod 12 at the output end of the hydraulic cylinder 11 drives the hydraulic cylinder to extend, a component force which is vertically upwards is provided for the driving rod 19 under the action of the connecting rod 21, the component force enables the driving rod 19 to vertically upwards move along the chute, the lug 22 of the driving rod 19 penetrates the inside the clamping block 23, and the clamping block 23 is in sliding connection with the lifting hole 25, when the transmission rod 19 drives the clamping block 23 to vertically move upwards to be abutted with the inner top wall of the lifting hole 25, the sliding rod 5.2 can be driven to vertically move upwards along the supporting sleeve 5.1, so that the connecting plate 17 and the supporting plate 6 can be driven to move upwards, and the supporting plate 6 can be enabled to move upwards along with the overturning platform 2.

Further, conversely, when the piston rod 12 is contracted, a vertically downward component of the transmission rod 19 is provided by the connecting rod 21, so that the slide rod 5.2 can be moved vertically downwards along the support sleeve 2.1.

Further, set up on the chassis 1 with the dodge groove 26 of backup pad 6 looks adaptation, the effect of setting so lies in, under the initial condition, backup pad 6 and overlap plate 10 all are in dodge inslot 26 for upset platform 2 can be steady place on chassis 1, when lifting mechanism 3 drove backup pad 6 and overlap plate 10 decline, backup pad 6 and overlap plate 10 can finally fall into dodge inslot 26, thereby can make the steady upper surface that falls on chassis 1 of upset platform 2.

Further, a check assembly 27 is disposed between the sliding rod 5.2 and the supporting sleeve 5.1, the check assembly 27 includes a check plate 28, the check plate 28 is fixedly connected to the inner walls of the supporting sleeve 5.1, a cavity 29 is disposed in the sliding rod 5.2, a blocking block 30 is elastically connected in the cavity 29, a rebound spring 31 is disposed between the blocking block 30 and the cavity 29, one end of the rebound spring 31 is fixedly connected with the blocking block 30, the other end is fixedly connected with the inner wall of the cavity 29, the blocking block 30 is clamped with the check plate 28, specifically, the check plate 28 and the blocking block 30 are both provided with two (in terms of the structure on one side of the turnover platform 2), the two check plates 28 are respectively and longitudinally fixedly connected to the inner walls on two sides of the supporting sleeve 5.1, a plurality of teeth with a right triangle cross section are longitudinally arranged on the check plate 28 in parallel, the blocking block 30 has a first wedge-shaped portion 30.1, the slide bar 5.2 is internally provided with a transverse groove 32 matched with the first wedge-shaped part 30.1, the first wedge-shaped part 30.1 is in sliding connection with the transverse groove 32, the effect of the arrangement is that the first wedge-shaped part 30.1 can be driven to move upwards in the process of moving up the slide bar 5.2, when the wedge surface of the first wedge-shaped part 30.1 contacts with the wedge surface of the tooth and is extruded, the first wedge-shaped part 30.1 slides along the transverse groove 32 towards the direction of the slide bar 5.2, the rebound spring 31 is compressed, the slide bar 5.2 can move upwards normally, when the first wedge-shaped part 30.1 is completely extruded with the tooth, the first wedge-shaped part 30.1 is inserted into a gap between the teeth again under the action of the rebound spring 31, at the moment, the bottom surface (namely the horizontal surface) of the first wedge-shaped part 30.1 is abutted with the top surface (same as the horizontal surface) of the tooth, the first wedge-shaped part 30.1 can not move downwards relative to the check plate 28, so that the slide bar 5.2 can be prevented from moving downwards, when the connection position of the piston rod 12 and the portal frame 15 is broken or the bolt 14 is loosened, the original height of the sliding rod 5.2 and the supporting plate 6 can still be maintained, namely the supporting plate 6 can still play a role in bearing the turnover platform 2.

Further, the check assembly 27 further includes a lifting rod 33, the lifting rod 33 is sleeved in the sliding rod 5.2, one end of the lifting rod 33 is fixedly connected to the clamping block 23, the other end of the lifting rod 33 is fixedly connected with a double-sided abutting plate 34, the double-sided abutting plate 34 abuts against the blocking block 30, specifically, the double-sided abutting plate 34 is in a shape of ", wedge faces are arranged on inner walls of two sides of the double-sided abutting plate 34, the blocking block 30 is provided with a second wedge part 30.2, the two second wedge parts 30.2 are respectively in wedge-shaped abutting connection with the two wedge faces of the double-sided abutting plate 34, and the function of the arrangement is that the piston rod 12 drives the sliding rod 5.2 to lift and have two strokes: when the piston rod 12 drives the transmission rod 19 and the clamping block 23 to move downwards, the sliding rod 5.2 cannot move downwards along the supporting sleeve 5.1 under the action of the abutting of the check plate 28 and the first wedge-shaped part 30.1, at the moment, the clamping block 23 can move downwards along the lifting hole 25 so as to drive the lifting rod 33 and the double-sided abutting plate 34 to move downwards, under the action of the abutting of the wedge-shaped surface of the double-sided abutting plate 34 and the wedge-shaped surfaces of the two second wedge-shaped parts 30.2, the two second wedge-shaped parts 30.2 can simultaneously move towards the longitudinal center line of the sliding rod 5.2, and finally enter the inside of the double-sided abutting plate 34 so as to drive the first wedge-shaped part 30.1 to shrink into the transverse groove 32, and compress the rebound spring 31, at the moment, the abutting effect of the first wedge-shaped part 30.1 and the check plate 28 is relieved, and the second stroke 5.2 also moves downwards along the supporting sleeve 5.1, and the abutting effect of the first wedge-shaped part 30.1 and the check plate 28 can be relieved normally along the supporting sleeve 5.1, and the sliding rod 5.2 can move downwards.

Further, when the piston rod 12 needs to drive the sliding rod 5.2 to move up again, the driving rod 19 will preferentially drive the clamping block 23 to move up along the lifting hole 25, and since the friction force between the double-sided abutting plate 34 and the second wedge-shaped portion 30.2 is smaller than the gravity of the sliding rod 5.2, the double-sided abutting plate 34 and the second wedge-shaped portion 30.2 will be preferentially separated in the process of moving up the clamping block 23, so that the first wedge-shaped portion 30.1 and the check plate 28 are normally abutted, and then the sliding rod 5.2 is driven to move up under the action of abutting the clamping block 23 and the inner top wall of the lifting hole 25, so that the piston rod 12 can drive the sliding rod 5.2 to lift normally.

In this embodiment, when the connection node between the piston rod 12 and the portal frame 15 is broken, since the extension length of the piston rod 12 is unchanged, an upward component force of the support plate 6 is not continuously provided, so the support plate 6 is not moved upward, and a downward component force of the support plate 6 is not continuously provided, and therefore a downward force is not provided to the clamping block 23 and the double-sided abutting plate 34, so the double-sided abutting plate 34 does not squeeze the second wedge portion 30.2, so the teeth on the first wedge portion 30.1 and the check plate 28 are always in a clamped state, and thus the slide rod 5.2 cannot move downward.

Preferably, the connecting plate 17 is fixedly connected with a gearbox 35, one end of the gearbox 35 is rotationally connected with the second rotating shaft 24, the other end of the gearbox 35 is rotationally connected with a gear 36, the supporting sleeve 5.1 is fixedly connected with a toothed plate 37, the gear 36 is meshed with the toothed plate 37, specifically, the gearbox 35 is fixedly connected on a vertical plate of the connecting plate 17 and is positioned between the supporting rod 5 and the connecting plate 17 and used for decelerating the gear 36, the function of the arrangement is that when the piston rod 12 drives the sliding rod 5.2 to lift, the connecting plate 17 and the supporting plate 6 are driven to lift at the same time, the gearbox 35 is fixedly connected on the connecting plate 17, so that the gearbox 35 and the gear 36 can be driven to lift, the supporting sleeve 5.1 and the toothed plate 37 can not move along with the sliding rod 5.2, so that relative displacement can be generated between the gear 36 and the toothed plate 37, and the gear 36 can rotate by itself after being decelerated through the gearbox 35, the gear 36 is transmitted to the second rotating shaft 24, so that the supporting plate 6 can slowly rotate towards the direction of the turnover platform 2, and the turnover platform 6 can be turned over, and the contact area of the supporting plate 6 and the turnover platform 10 can be increased, and the contact with the landing platform 10 can be increased, and the landing platform 10 can be stably and the landing platform 2 can be turned over, and the landing platform 2 can be contacted with the supporting plate 2.

Preferably, the chassis 1 is provided with a retractable wheel 38, the chassis 1 is further provided with a new energy storage battery for the wheel 38, specifically, a wheel lifting mechanism 40 is disposed between the wheel 38 and the chassis 1, and two ends of the wheel lifting mechanism 40 are respectively rotatably connected with the chassis 1 and the wheel 38, so that the wheel 38 can normally rotate and turn, the wheel 38 is provided with a driving motor (not shown in the figure), the driving motor can drive the wheel 38 to rotate, the new energy storage battery (not shown in the figure) is preferably a rechargeable battery, the new energy storage battery is connected with the driving motor, and the driving motor can drive the wheel 38 to rotate through the new energy storage battery, thereby the whole device can move in a short distance, and the position of the device can be conveniently adjusted.

Further, when unloading, the chassis 1 is placed on the ground through the chassis wheel lifting mechanism of the 40 wheel lifting device, at the moment, the chassis 1 can be in contact with the ground, the wheels 38 can not be in contact with the ground, the stability during unloading can be improved, when moving, the chassis 1 is still supported through the 40 wheel upgrading device, the wheels 38 can be in contact with the ground through the wheel lifting mechanism, and the chassis 1 can not be in contact with the ground, so that the movement of the device is realized.

Preferably, the turning platform 2 is rotatably connected with a plurality of groups of wheel stoppers 41, and the wheel stoppers 41 are uniformly arranged in the length direction of the turning platform 2, specifically, the wheel stoppers 41 can be contracted in the turning platform 2, and the wheel stoppers 41 are controlled to rotate in a hydraulic mode, so that the rearmost wheels 38 of the vehicle to be unloaded can be fixed at different positions by rotating the wheel stoppers 41 at different positions, thereby adapting to vehicles with different tail lengths.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The new energy mobile bulk cargo car unloading device comprises a chassis and a turnover platform movably connected with the chassis, wherein a lifting mechanism for lifting the turnover platform is arranged on the chassis, and the lifting mechanism is arranged on two sides of the turnover platform;

the passive supporting mechanism comprises a telescopic supporting rod, the supporting rod is fixedly connected to the underframe, and a supporting plate for preventing the overturning platform from falling is arranged on the supporting rod;

the lifting mechanism comprises a hydraulic cylinder and a piston rod connected with the output end of the hydraulic cylinder, a fixed seat is connected on the underframe through a bolt, a portal frame is connected on the overturning platform through a bolt, the hydraulic cylinder is rotationally connected with the fixed seat, the piston rod is rotationally connected with the portal frame, the support rod comprises a support sleeve and a slide rod which is slidingly connected with the support sleeve, the support sleeve is fixedly connected on the underframe, a connecting plate is fixedly connected on the slide rod, the connecting plate is rotationally connected with the support plate, a limiting plate is fixedly connected on the support sleeve, a transmission rod is slidingly connected on the limiting plate, a lantern ring is fixedly connected on the piston rod, a connecting rod is movably connected between the transmission rod and the lantern ring, a bump is arranged on the transmission frame, a clamping block is slidingly connected on the slide rod, the bump is penetratingly arranged in the clamping block, an avoidance groove matched with the support plate is formed on the underframe,

a check assembly is arranged between the slide bar and the supporting sleeve, the check assembly comprises a check plate fixedly connected with the inner wall of the supporting sleeve, a cavity is arranged in the slide bar, a blocking block is elastically connected in the cavity, the blocking block is clamped with the check plate, the check assembly also comprises a lifting rod, one end of the lifting rod is fixedly connected with the clamping block, the other end of the lifting rod is fixedly connected with a propping plate, the propping plate is propped against the blocking block,

the check plate and the blocking block are respectively provided with two check plates, the two check plates are respectively and longitudinally fixedly connected to the inner walls of the two sides of the supporting sleeve, a plurality of teeth with a right triangle cross section are longitudinally arranged on the check plates in parallel, the blocking block is provided with a first wedge-shaped part, a transverse groove matched with the first wedge-shaped part is formed in the sliding rod, the first wedge-shaped part is in sliding connection with the transverse groove, the first wedge-shaped part can be driven to move upwards in the process of moving upwards the sliding rod, when the wedge-shaped surface of the first wedge-shaped part contacts with the wedge-shaped surface of the teeth and is extruded, the first wedge-shaped part slides along the direction of the transverse sliding rod, when the first wedge-shaped part is extruded with the teeth, the first wedge-shaped part is inserted into a gap between the teeth again under the action of a rebound spring, at the moment, the bottom surface of the first wedge-shaped part is in butt joint with the top surface of the teeth, the first wedge-shaped part can not move downwards relative to the check plate, so that when the connecting position of the piston rod and the portal frame breaks or a bolt loosens, the original height can be kept by the sliding rod and the supporting plate, namely the supporting plate can still have the function of bearing the supporting plate,

the double-sided butt plate is "" font, and its both sides inner wall all is provided with the wedge, and the stop block is provided with second wedge, and two second wedges respectively with two wedge butt of double-sided butt plate, drive the slide bar and go up and down at the piston rod and have two strokes: the first stroke, namely the butt stroke of the wedge-shaped surface of two-sided butt joint boards and second wedge-shaped portion, when the piston rod drives the transfer line and fixture block to move down, under the effect of check plate and first wedge-shaped portion butt, the slide bar can not move down along the support sleeve, the fixture block can move down along the lifting hole this moment, thereby drive lifter and two-sided butt joint boards and move down, under the effect of the wedge-shaped surface of two-sided butt joint boards and the wedge-shaped surface butt joint of two second wedge-shaped portions, can make two second wedge-shaped portions move to the direction of slide bar longitudinal centerline simultaneously, finally enter into inside the two-sided butt joint boards, thereby drive first wedge-shaped portion shrink to transverse groove, and compress rebound spring, the butt effect of first wedge-shaped portion and check plate is relieved this moment, the second stroke also is the stroke of slide bar along support sleeve down, because the butt effect of first wedge-shaped portion and check plate is relieved, make the slide bar can move down along the support sleeve normally.

2. The new energy mobile bulk cargo car unloading device according to claim 1, wherein a buffer component is arranged on the supporting plate, the buffer component comprises a spring rod and a lapping plate, and two ends of the spring rod are fixedly connected with the supporting plate and the lapping plate respectively.

3. The new energy mobile bulk cargo car unloading device according to claim 1, wherein a plurality of groups of threaded holes matched with the bolts are formed in the underframe and the overturning platform.

4. The new energy mobile bulk cargo car unloading device according to claim 1, wherein the chassis is provided with liftable wheels, and the chassis is further provided with a motor and a new energy storage battery for running and steering of the wheels.

5. The new energy mobile bulk cargo car unloading device according to claim 1, wherein a plurality of groups of wheel stoppers are rotatably connected to the overturning platform, and are uniformly arranged in the length direction of the overturning platform.