CN218260978U

CN218260978U - Lifting unloading platform

Info

Publication number: CN218260978U
Application number: CN202222305738.1U
Authority: CN
Inventors: 郭永才; 卢志辉; 郑国良; 张磊乐; 游广飞
Original assignee: Zhengzhou Research Institute of Mechanical Engineering Co Ltd
Current assignee: Zhengzhou Research Institute of Mechanical Engineering Co Ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-01-10
Anticipated expiration: 2032-08-30

Abstract

The utility model relates to an equipment technical field unloads, an object of the utility model is to provide a lift platform of unloading to solve the technical problem that the platform of unloading among the prior art can't correspond with the operation panel height of the equipment of unloading. The lifting unloading platform comprises a base, a lifting oil cylinder and a lifting structure are arranged on the base, a hinged support is connected to the lifting structure, a turning plate is hinged to the hinged support, the lifting oil cylinder is supported on the base and hinged to the turning plate, and the lifting oil cylinder is used for driving the turning plate to swing around the hinged support; the lifting structure is used for lifting the hinged position of the turning plate and the hinged support, so that the lifting oil cylinder is matched to drive the turning plate to be lifted upwards integrally, the turning plate is in a lifting working state with the lifted position, the turning plate can be kept at a horizontal lifting height by regulating and controlling the lifting oil cylinder and the lifting structure, a vehicle can be stably lifted up along with the turning plate, and finally the vehicle can correspond to the same height with an operation table in unloading equipment, and the follow-up unloading operation is facilitated.

Description

Lifting unloading platform

Technical Field

The utility model relates to an equipment technical field that unloads, concretely relates to lift platform of unloading.

Background

Grain transportation adopts the fortune grain vehicle to transport usually, the fortune grain vehicle is mostly heavy semi-mounted truck, unload through dedicated platform of unloading when the vehicle operation is to appointed discharge point, current platform of unloading includes the base usually and articulates the board that turns over at the base rear end, the vehicle drives in from the front end and turns over the board and brake fixed back on turning over the board, it rises through the lift hydraulic means who establishes on the base to turn over the board front end, lift hydraulic means is hydraulic cylinder usually, the vehicle can be along with turning over the great angle of board slope, thereby grain railway carriage is discharged by the back door in with the car, carry out subsequent grain operation of unloading.

The conventional pitching rear-tipping type unloading device has the defect that the requirement on a hydraulic system is high, so that the improvement in the prior art is mostly the improvement on a lifting hydraulic device. Chinese utility model patent that the bulletin number is CN216971369U discloses a no basis hydraulic pressure turns over board, the on-line screen storage device comprises a base, the guide board, elevating gear isotructure, the base articulates in its one end that sets up the mesa, the outside of base is equipped with the frame, the bottom is equipped with the gasket, guarantee the stability of lift, elevating gear includes support frame and lift cylinder, the lift cylinder hinge articulates in the one side of keeping away from base articulated position through the support frame, establish to trapezoidal support body structure through establishing the crane, thereby improve lift cylinder to lifting effect and the lifting power of turning over the board, flexible through lift cylinder, make the base can swing around its pin joint.

When adopting the platform of turning over the board of unloading to unload among the prior art, still need arrange the position rear at the platform of unloading and set up the pit that corresponds with the back door of vehicle, the pit is arranged in accepting the material that bears in the vehicle, and when the vehicle followed the base and carried out the every single move swing, the material in the car can fall into the pit backward. However, the excavation of the pit at the unloading position will increase the capital construction cost, which is not favorable for the unloading operation. In order to solve the problem, in the prior art, unloading equipment is configured at a terminal of the unloading equipment, a rack with a certain height is adopted as the principle of the unloading equipment, material receiving equipment such as a material receiving bin or a material receiving conveying line is arranged at the lower end of the rack, an operating platform for arrangement of personnel or unloading tools is arranged at the upper end of the rack, and the unloading equipment and an unloading turning plate platform are matched together to carry out unloading operation. However, the unloading turning plate platform in the prior art can not reach the position which is as high as the operating platform on the rack, and the technical problem of difficult unloading caused by the fact that the rear end of the vehicle can not be butted with the operating platform by directly regulating and controlling the base to swing is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lift platform of unloading to solve the technical problem that the platform of unloading among the prior art can't highly correspond with the operation panel of the equipment of unloading.

In order to achieve the purpose, the utility model provides a lift platform of unloading's technical scheme is:

a lifting unloading platform comprises a base, wherein a lifting oil cylinder and a lifting structure are arranged on the base, a hinged support is connected to the lifting structure, a turning plate is hinged to the hinged support, the lifting oil cylinder is supported on the base and hinged to the turning plate, and the lifting oil cylinder is used for driving the turning plate to swing around the hinged support; the lifting structure is used for lifting the hinged position of the turning plate and the hinged support, so that the lifting oil cylinder is matched to drive the turning plate to be lifted upwards integrally, and the turning plate is in a lifting working state with the lifted position.

Has the beneficial effects that: compared with the unloading platform which is driven by the lifting oil cylinder to swing only through the base, the utility model provides a lifting unloading platform is through setting up the lifting structure on the base, structural articulated board that turns over through the free bearing of lifting, thereby can pass through the lifting structure improvement with the articulated position that turns over the board, thereby the lifting structure can cooperate with the lifting oil cylinder jointly will turn over the board and upwards lift from the initial connection state and be in lifting operating condition, can realize turning over the board through regulation and control lifting oil cylinder and lifting structure and keep horizontal level lifting height, thereby make the vehicle can follow and turn over the board and steadily lift on the ground, final vehicle can correspond the same height with the operation panel in the unloading equipment, make things convenient for going on of follow-up unloading operation, lifting oil cylinder and lifting structure cooperate jointly, have higher support stability when guaranteeing to turn over the board safety, thereby the unable operation panel height that promotes among the prior art can's the platform of unloading can't correspond with the operation panel height of unloading equipment has been solved effectively.

Preferably, the lifting structure is a vertically extending lifting telescopic cylinder. The lifting telescopic cylinder extending vertically can provide lifting force for the hinged support directly and stably in the vertical direction, and the lifting effect of the hinged position of the turning plate is guaranteed.

Preferably, the lifting telescopic cylinder is arranged in a plurality at intervals in the left-right direction perpendicular to the extending direction of the base. The lifting telescopic cylinders are uniformly distributed at intervals, stable lifting force with high force can be provided for the hinged support, and the extending direction of each lifting telescopic cylinder is perpendicular to the extending direction of the base, so that the hinged support is more stable in connection and stress.

Preferably, the hinged support extends left and right above each lifting telescopic cylinder, the hinged point of the hinged support and the turning plate vertically corresponds to the top of each lifting telescopic cylinder, and the top end of a piston rod in each lifting telescopic cylinder is fixed on the hinged support. The hinged support fixes the top end of the piston rod in each lifting telescopic cylinder together, so that the stress stability of the hinged turning plate is ensured, the influence of uneven stress on the hinged support and the swinging of the turning plate by a single lifting telescopic cylinder is prevented, and meanwhile, the hinged point corresponds to the top of the lifting structure from top to bottom so that the lifting structure can be directly acted on the hinged point of the turning plate when upwards pushing the lifting structure, and the stress is directly transferred, so that the swinging of the turning plate is facilitated.

Preferably, the lifting oil cylinder is a multi-stage telescopic cylinder and comprises three stages of strokes, the first stage stroke of the lifting oil cylinder is used for lifting the turning plate from an initial inclined state to a horizontal state, the second stage stroke of the lifting oil cylinder is used for being matched with the lifting structure to keep the turning plate horizontal for lifting, and the three stages of strokes of the lifting oil cylinder are used for driving the turning plate to swing after the turning plate is lifted. The three-level stroke of the lifting oil cylinder ensures that the lifting oil cylinder pushing turning plate can continue to push upwards to swing after being horizontally lifted, so that the turning plate and a vehicle on the turning plate can be lifted and can be continuously inclined to unload after being lifted, and the unloading operation of the vehicle after being in butt joint with unloading equipment is facilitated.

Preferably, the base is further provided with a leveling structure corresponding to the turning plate, and the leveling structure is used for monitoring the inclination posture of the turning plate in real time so as to cooperate with the regulation and control of the lifting structure and the lifting oil cylinder. The leveling structure can regulate and control the lifting structure and the lifting inclination condition of the turning plate of the lifting oil cylinder in real time, so that the turning plate can be kept to be lifted upwards horizontally, and the stability of a vehicle is ensured.

Preferably, the leveling structure is a leveling sensor arranged on the base and positioned below the turning plate. The leveling sensor can sense the inclination angle and the position of the turning plate in real time so as to quickly send an instruction to the control of the lifting oil cylinder and the lifting structure and ensure the stability of the turning plate during lifting.

Preferably, the leveling sensors are symmetrically distributed in two rows below the left side and the right side of the turning plate, and the leveling sensors in each row are arranged at intervals from front to back. The leveling sensors are matched together, so that the stability of the turnover plate during horizontal lifting is further ensured.

Preferably, the turning plate is of a flat plate structure, and the lifting structure enables the turning plate to keep an initial inclined state that one end of the turning plate is in contact with the base and the other end of the turning plate is supported by the lifting structure. The turning plate is in an initial inclined state, so that the vehicle can conveniently run from the ground to the turning plate, and the turning plate with the flat plate structure ensures the stability of the vehicle running on the turning plate.

Preferably, the base is provided with a walking assembly, the walking assembly comprises front wheels and a front wheel connecting structure capable of driving the front wheels to run, and also comprises rear wheels and a rear wheel connecting structure for enabling the rear wheels to rotate backwards; the lifting assembly is arranged at the front end of the base and can lift the front wheels after the unloading platform is in a falling position, so that the base falls to the ground and is fixed. The walking assembly can drive the lift platform of unloading to remove to can be on different positions the fixed unloading of falling position, what conveniently unloaded goes on, the promotion subassembly can lift the front wheel and make the base fall to the ground, guarantees that the platform of unloading reachs the quick location after the assigned position and falls to the ground stably.

Drawings

Fig. 1 is a schematic structural view of a lifting unloading platform in embodiment 1 provided by the present invention;

FIG. 2 is a front view of the lift truck platform of FIG. 1;

FIG. 3 is a top plan view of the lift truck platform of FIG. 1;

FIG. 4 is a left side view of the lift truck platform of FIG. 1;

fig. 5 is a right side view of the lift truck platform of fig. 1.

Description of reference numerals:

1. a base; 2. turning a plate; 3. a lift cylinder; 4. a front wheel connection structure; 5. a rear wheel connection structure; 6. a drive motor; 7. lifting the fixed frame; 8. a guide rail; 9. lifting the adapter; 10. a front wheel mounting base; 11. lifting the oil cylinder; 12. a rear wheel fixing seat; 13. lifting the telescopic oil cylinder; 14. hinging seats; 15. a lifting frame; 16. a transverse plate; 17. a vertical plate; 18. a leveling sensor; 19. and a stop block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, which may be present, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the language "comprising one of 8230; \8230;" etc. does not exclude a process, method or the like that comprises such an element.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.

The present invention will be described in further detail with reference to examples.

The utility model provides a platform of unloading goes up and down embodiment 1:

as shown in fig. 1 to 5, the lifting unloading platform comprises a base 1 and a turning plate 2 arranged on the base 1, wherein the turning plate 2 is used for bearing a vehicle to be unloaded, the vehicle is filled with goods or materials, the lifting unloading platform further comprises a lifting structure, a lifting oil cylinder 3 and a leveling structure, the lifting structure is arranged on the base 1, a hinged support 14 is arranged at the top of the lifting structure, the hinged support 14 is hinged to one end of the turning plate 2, the lifting oil cylinder 3 is hinged to the base 1, and the top of an inner piston rod of the lifting oil cylinder is hinged to the turning plate 2. The turning plate 2 can be horizontally and integrally lifted through the mutual matching of the lifting structure and the lifting oil cylinder 3, and the leveling structure carries out leveling monitoring on the turning plate 2 in real time; the lifting structure and the lifting oil cylinder 3 are matched with each other, so that the inclination angle of the turning plate 2 can be changed, and a vehicle on the turning plate 2 can swing in a pitching mode after being lifted to a height which is flush with an operation table in the rear-end unloading equipment, so that materials or goods in the vehicle can be unloaded.

As shown in fig. 1, the turning plate 2 and the base 1 are defined to extend back and forth, and the rear end of the turning plate 2 is provided with a stopper 19 corresponding to the rear wheel of the vehicle to stop the rear wheel of the vehicle. Still be equipped with the walking subassembly that can drive the platform walking of unloading of going up and down and remove on the base 1, the walking subassembly is including establishing front wheel and the front wheel connection structure 4 at base 1 front side lower extreme, still including establishing rear wheel and the rear wheel connection structure 5 at base 1 rear side lower extreme. The front wheel connecting structure 4 comprises a driving motor 6 fixedly arranged on the base 1, and the driving motor 6 is used for driving the front wheels to move straightly; the front wheel connecting structure 4 further includes a lifting structure provided outside the driving motor 6 and the front wheel and capable of lifting the front wheel. Promote the structure including setting firmly promotion mount 7 at 1 front end of base, promote to be equipped with vertical extension's guide rail 8 in the mount 7, gliding promotion adapter 9 about the direction slip is equipped with on the guide rail 8, promotes adapter 9 below and has linked firmly front wheel mount pad 10, and front wheel and driving motor 6 are all integrated on front wheel mount pad 10. Wherein, the upper end that promotes adapter 9 articulates there are two promotion hydro-cylinders 11 that are parallel to each other, and promotion hydro-cylinder 11 is used for mentioning the front wheel when its inner piston rod withdraws to make base 1 sit fixed, promotes hydro-cylinder 11 still is used for pushing down when its piston rod stretches out and promotes adapter 9, thereby makes promotion mount 7 drive base 1 and rises, makes the front wheel fall to the ground, can control driving motor 6 this moment and make the platform remove.

In this embodiment, rear wheel connection structure 5 is for turning to the subassembly, only can regulate and control the orientation of rear wheel to make the platform can turn to, rear wheel connection structure 5 includes fixes rear wheel fixing base 12 on base 1 with the rear wheel, and rear wheel fixing base 12 only does the steering control use, and its structure is similar with the bogie of vehicle among the prior art, and two rear wheels of the base 1 left and right sides are turned to jointly.

As shown in fig. 1 to 5, the turning plate 2 is a flat plate structure, the lifting structure includes a plurality of lifting telescopic cylinders 13 whose bottoms are fixed on the base 1 and which are arranged at intervals left and right, and each lifting telescopic cylinder 13 vertically extends and lifts up the rear end of the turning plate 2, so that the turning plate 2 is in an initial inclined state in which the rear end is lifted up and the front end is contacted with the base 1. The top end of a piston rod in each lifting telescopic cylinder 13 is fixed on a hinged support 14 extending left and right, the hinged support 14 is hinged with the bottom of the rear end of the turning plate 2, and the hinged point of the hinged support 14 and the turning plate 2 corresponds to the top of the lifting telescopic cylinder 13 up and down. In other embodiments, the turning plate may be a structure with one end connected to the lifting structure and the other end bent downward in an arc shape so as to contact with the front end of the base, so that the vehicle can drive over the turning plate. Similarly, the turning plate can also be an arc plate or a long plate with a slope at the front end.

As shown in fig. 1 and 2, two lifting cylinders 3 are symmetrically arranged at the left end and the right end of the front side of the base 1, a lifting frame 15 is arranged at the outer side of each lifting cylinder 3, the top end of a piston rod of each lifting cylinder 3 is connected to the top of the lifting frame 15, and the bottom of each lifting cylinder 3 is hinged to the base 1. Wherein, the crane 15 includes the diaphragm 16 fixed with lift cylinder 3's piston rod top, diaphragm 16 horizontal extension, crane 15 still includes welds at diaphragm 16 both ends and slope downwardly extending's riser 17, and two risers 17 and a diaphragm 16 have constituted the crane 15 of trapezium structure, guarantee crane 15's connection stability, and the bottom of two risers 17 all articulates on turning over board 2 to through stretching out and retracting of piston rod in lift cylinder 3, the top pushes away turns over board 2 and rises or falls. The lifting telescopic oil cylinder 13 and the lifting oil cylinder 3 in the embodiment are arranged on the base 1 at intervals for a long distance, so that the turnover plate 2 can be lifted stably. When the lifting telescopic cylinder 13 and the lifting cylinder 3 are matched to lift the turning plate 2, the turning plate 2 enters a lifting working state with a raised position from an initial inclined state.

In this embodiment, the lift cylinder 3 is a multi-stage telescopic cylinder and includes three stages of strokes, the first stage stroke of the lift cylinder 3 is used for lifting the turning plate 2 from an initial inclined state to a horizontal state, so that two ends of the turning plate 2 are at the same height, the second stage stroke of the lift cylinder 3 is used for matching with the lift telescopic cylinder 13 to keep the turning plate 2 lifted horizontally, and the three stages of strokes of the lift cylinder 3 are used for continuing to lift after the turning plate 2 is lifted at the horizontal height, so as to drive the turning plate 2 to swing around the hinge base 14.

As shown in fig. 1 to 3, the upper side surface of the base 1 is further provided with a plurality of leveling structures, each leveling structure in this embodiment is a leveling sensor 18, and each leveling sensor 18 is arranged below the turning plate 2 to monitor the position and deflection condition of the turning plate 2 above in real time, so as to send a control instruction to the lifting telescopic cylinder 13 and the lifting cylinder 3, so that the turning plate 2 can be lifted upwards stably and horizontally. As shown in fig. 3, two rows of leveling sensors 18 are symmetrically distributed on the left and right sides of the turning plate 2. Of course, in other embodiments, the leveling structure can be cancelled, the tilting state of the turning plate can be observed to regulate and control the lifting oil cylinder and the lifting telescopic oil cylinder, the turning plate can be in the lifting working state, and the vehicle cannot be influenced by small-angle deflection or tilting.

The specific use and operation process of the lifting unloading platform in the embodiment is as follows: starting a walking assembly on a base 1, opening a lifting oil cylinder 11 in a lifting structure to enable the base 1 to be pushed and lifted and a front wheel to be grounded, starting a driving motor 6 and regulating and controlling the reversing of a rear wheel at the same time to enable a lifting unloading platform to move through the walking assembly, closing the driving motor 6 when the lifting unloading platform reaches an unloading position, withdrawing a piston rod of the lifting oil cylinder 11 to enable the front wheel to be lifted, and enabling the base 1 to fall to the ground to finish the positioning of the lifting unloading platform; then, a vehicle carrying materials or goods backs from one end of the turning plate 2 and stops on the turning plate 2, the rear wheel of the vehicle is blocked by a stop block 19 on the turning plate 2, and the vehicle is braked and locked on the turning plate 2; starting the two lifting oil cylinders 3 to extend out, so that the lifting oil cylinders 3 are in the primary stroke of the lifting oil cylinders, the front end of the turning plate 2 is lifted by the lifting oil cylinders 3, the vehicle is driven to be horizontal from the inclination, then the lifting oil cylinders 3 are controlled to be in the secondary stroke of the lifting oil cylinders, and simultaneously all the lifting telescopic oil cylinders 13 extend out, the turning plate 2 and the vehicle are horizontally lifted until the turning plate 2 and the vehicle are at the same height as an operation platform in the unloading equipment; and then locking the lifting telescopic cylinders 13, continuously controlling the lifting cylinders 3 to enter a three-stage stroke, continuously extending the lifting cylinders 3 upwards, swinging and inclining the turning plate 2 around the hinged support 14 at the same height position as the unloading equipment, and obliquely pouring materials in the vehicle onto an operation table in the unloading equipment. In the process of unloading the turning plate 2 from the initial inclined state to the final swinging state, the leveling sensors 18 are mutually matched and regulated in real time, and send instructions to the actions of the lifting telescopic cylinder 13 and the lifting cylinder 3, so that the stability of the turning plate 2 and the vehicle in the running period is kept, and the turning plate 2 can be kept to be horizontally lifted upwards in the secondary stroke of the lifting cylinder 3.

In the embodiment, the traveling assembly is arranged on the base 1, so that the lifting unloading platform can move to different positions, and the unloading operation is convenient to carry out; the lifting structure is arranged on the base 1, the turning plate 2 is hinged on the lifting structure through the hinged support 14, so that the hinge position of the turning plate 2 can be improved through the lifting structure, the lifting structure can be matched with the lifting oil cylinder 3 together to keep the turning plate 2 at a horizontal lifting height, the inclination angle of the turning plate 2 is changed through the lifting oil cylinder 3, a vehicle can be obliquely unloaded after being lifted at a lifting position, the turning plate 2 at the lifting position and the vehicle can be correspondingly as high as an operation table in unloading equipment, and unloading is convenient to carry out; during the operation of the turning plate 2, the balance and stability of the turning plate 2 and the vehicle during lifting are ensured through the leveling structure arranged on the base 1, the unloading safety and stability are improved, and the technical problem that the unloading platform in the prior art cannot be corresponding to the height of an operation platform of unloading equipment due to the fact that the height of the unloading platform cannot be increased is effectively solved.

The utility model provides a platform of unloading goes up and down embodiment 2:

the difference from embodiment 1 is that in this embodiment, the lifting structure is a lifting telescopic cylinder. In other embodiments, the lifting structure may also be an electric push rod.

The utility model provides a platform of unloading goes up and down embodiment 3:

the difference from embodiment 1 is that, in this embodiment, the arrangement direction of the lifting telescopic cylinder is parallel to the extending direction of the base. In other embodiments, the lifting telescopic cylinders can also be arranged in a ring or closely arranged front and back.

The utility model provides a platform of unloading goes up and down embodiment 4:

the difference from embodiment 1 is that in this embodiment, the top of each lifting telescopic cylinder is provided with a separate hinged support, and each hinged support is hinged to the base. In other embodiments, the hinged support may also correspond to two adjacent lifting telescopic cylinders, that is, one hinged support is connected to each of the two adjacent lifting telescopic cylinders.

The utility model provides a platform of unloading goes up and down's concrete embodiment 5:

the difference from the embodiment 1 is that in the embodiment, the hinge point of the hinge seat and the turning plate is arranged in a staggered way up and down. For example, the hinged support extends forwards and backwards at the lower end of the base, the rear end of the hinged support is hinged with the turning plate, and the lifting structure is arranged below the front end of the hinged support.

The utility model provides a platform of unloading in lift concrete embodiment 6:

the difference from embodiment 1 is that in this embodiment, the leveling structure is a laser scanner disposed on the base and below the turning plate. In other embodiments, the leveling structure may also be a level.

The utility model provides a platform of unloading lift's embodiment 7:

the difference from embodiment 1 is that in this embodiment, the number of leveling sensors is increased or decreased correspondingly, for example, the number of leveling sensors is increased to three rows, or only one row of leveling sensors is provided, and the leveling sensors may be arranged in a staggered manner according to the control of the swing condition of the tilting plate.

The utility model provides a platform of unloading lift's concrete embodiment 8:

the lifting oil cylinder is a two-stage oil cylinder, the two-stage oil cylinder has a two-stage stroke, the one-stage stroke of the lifting oil cylinder is used for lifting one end of the turning plate, the two-stage stroke is used for being matched with the lifting telescopic cylinder to horizontally lift the turning plate, when the turning plate and a vehicle on the turning plate are lifted to the same height as an operation platform of the unloading device, the lifting oil cylinder reaches the limit of the two-stage stroke, the vehicle door is directly opened to unload the vehicle, and the turning plate does not obliquely swing any more. Thus, in other embodiments, the lift cylinder may also be a single stage cylinder with a large stroke or a multi-stage cylinder with more than three stages.

The utility model provides a platform of unloading lift's concrete embodiment 9:

the difference from embodiment 1 is that in this embodiment, the front wheel assembly and the rear wheel assembly of the walking assembly are both provided with a driving motor. Alternatively, a drive and lift cylinder is provided only on the rear wheel assembly to raise the rear wheels. In other embodiments, the walking assembly can be omitted, and the lifting unloading platform can be directly and fixedly arranged at the unloading position.

Finally, it should be noted that the above mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that the technical solutions described in the foregoing embodiments may be modified without inventive effort, or some technical features may be substituted equally. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A lifting unloading platform is characterized by comprising a base (1), wherein a lifting oil cylinder (3) and a lifting structure are arranged on the base (1), a hinged support (14) is connected to the lifting structure, a turning plate (2) is hinged to the hinged support (14), the lifting oil cylinder (3) is supported on the base (1) and hinged to the turning plate (2), and the lifting oil cylinder (3) is used for driving the turning plate (2) to swing around the hinged support (14); the lifting structure is used for lifting the hinged position of the turning plate (2) and the hinged support (14), so that the turning plate (2) is driven to be integrally lifted upwards by matching with the lifting oil cylinder (3), and the turning plate (2) is in a lifting working state with the lifted position.

2. The lift unloading platform of claim 1, wherein the lifting structure is a vertically extending lifting jack.

3. The lift unloading platform according to claim 2, wherein the lifting telescopic cylinders are arranged in plurality at regular intervals in the left-right direction perpendicular to the extending direction of the base (1).

4. The lifting platform according to claim 3, wherein the hinged support (14) extends left and right above each lifting telescopic cylinder, the hinged point of the hinged support (14) and the turning plate (2) corresponds to the top of each lifting telescopic cylinder up and down, and the top end of a piston rod in each lifting telescopic cylinder is fixed on the hinged support (14).

5. The lift unloading platform according to any one of claims 1-4, wherein the lift cylinder (3) is a multi-stage telescopic cylinder, and comprises three stages of strokes, the primary stroke of the lift cylinder (3) is used for lifting the turning plate (2) to be parallel to the horizontal state of the base (1), the secondary stroke of the lift cylinder (3) is used for matching with a lifting structure to keep the turning plate (2) at a horizontal lifting height, and the three stages of strokes of the lift cylinder (3) are used for driving the turning plate (2) to swing after the lifting height of the turning plate (2).

6. The lifting unloading platform according to any one of claims 1-4, wherein the base (1) is further provided with a leveling structure corresponding to the turning plate (2), and the leveling structure is used for monitoring the inclination posture of the turning plate (2) in real time so as to cooperate with the regulation and control lifting structure and the lifting cylinder (3).

7. The lifting platform according to claim 6, characterised in that the levelling structure is a levelling sensor (18) provided on the base (1) and located below the flap (2).

8. The lifting unloading platform according to claim 7, wherein the leveling sensors (18) are symmetrically distributed in two rows uniformly below the left side and the right side of the turning plate (2), and the leveling sensors (18) in each row are arranged at intervals in the front-back direction.

9. The lift platform according to any one of claims 1 to 4, wherein said flaps (2) are of a flat plate configuration, the lifting configuration maintaining the flaps (2) in an initial inclined position with one end in contact with the base (1) and one end supported by the lifting configuration.

10. The lifting platform according to any one of claims 1 to 4, wherein the base (1) is provided with a walking assembly, the walking assembly comprises a front wheel and a front wheel connecting structure (4) capable of driving the front wheel to run, and further comprises a rear wheel and a rear wheel connecting structure (5) for enabling the rear wheel to rotate backwards; the front wheel connecting structure (4) is connected with a lifting assembly, the lifting assembly is arranged at the front end of the base (1), and the lifting assembly can lift the front wheel after the unloading platform is located, so that the base (1) is fixed to the ground.