CN212921262U

CN212921262U - Automobile box capable of being lifted to flat ground

Info

Publication number: CN212921262U
Application number: CN201922257777.7U
Authority: CN
Inventors: 苏焯飞
Original assignee: Guangzhou Bailiang Technology Co ltd
Current assignee: Guangzhou Bailiang Technology Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2021-04-09
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses an automobile box body capable of ascending and descending to the flat ground, which relates to the technical field of automobile boxes, and the height of the improved automobile box body can be adjusted at will under the static state of the whole truck under the action of a frame lifting mechanism by changing the bearing structure of the existing automobile box body, when goods are required to be loaded and unloaded, the automobile box body can be directly reduced to be level with the ground, so that the carrying personnel of the goods can walk into the automobile box, the goods can also be directly carried into and out of the automobile box by other small trolleys or forklifts, thereby not only saving the cost for additionally installing a tail plate, but also avoiding a series of troubles such as failure brought to people by the tail plate, and the most important thing is that the existence of potential safety hazards can be avoided, the practicability of the existing logistics freight automobile when loading and unloading goods is improved, in addition, the ascending and descending of the automobile box body can lead the automobile to be in the running process, the safety is higher, and the protection performance to the whole vehicle is improved.

Description

Automobile box capable of being lifted to flat ground

Technical Field

The utility model relates to a car box technical field specifically is a car box with can rise to level land.

Background

Nowadays, global science and technology and economic development rely on the transportation logistics industry of the current high-speed development, the transportation of logistics can not be opened, because the ordinary trucks used for transporting goods are mostly additionally provided with an upper tail plate and a lower tail plate at the tail part of the goods when the goods are loaded and unloaded, even the goods are manually operated, so that human and material resources of people can be greatly consumed, even a great number of potential safety hazards exist, and casualty accidents occurring in the middle of the goods can be seen everywhere.

Therefore, in order to avoid the above-mentioned bad phenomena existing in the logistics industry, the technical personnel in the field provide an automobile box body capable of being lifted to the flat ground, and compared with the above-mentioned mode, the structure of the automobile box body can be safer, quicker, more convenient, more efficient and more labor-saving.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a car box with can rise to level land has solved in the commodity circulation trade, and the ordinary freight train that is used for transporting the goods is when goods handling, and the most all is at the goods afterbody installs upper and lower tailboard additional, operates with the manual work even, so will let our manpower and materials resource obtain a large amount of consumptions, also has not few potential safety hazard even, and the casualties accident that takes place in the middle of also everywhere is visible problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a car box with can rise to level land, includes box bearing frame, box bearing frame's inside is placed the box through welding mode fixedly connected with goods, the equal fixed mounting in both sides in box bearing frame rear section has a set of frame elevating system, and is two sets of frame elevating system's bottom all corresponds and installs the rear wheel, box bearing frame's the place ahead terminal surface fixedly connected with links up the roof beam, and the upper portion terminal surface fixedly connected with of the front wheel steering suspension of girder has two sets of front end elevating system's flexible end, the one end welding of linking up the roof beam is in front end elevating system's non-flexible section, and a front wheel is installed to the both sides of the front wheel steering suspension of girder respectively corresponding.

The frame lifting mechanism comprises a limiting frame fixedly mounted on the inner side of the rear portion of the box body bearing frame, a supporting vertical plate is connected to the inside of the limiting frame in a sliding mode, a hydraulic telescopic cylinder is fixedly mounted on the end face of the rear side of the limiting frame, one end of a connecting column is fixedly connected to the front face of the bottom section of the supporting vertical plate, the other end of the connecting column is fixedly connected with a central shaft of a rear wheel hub, and a support plate is fixedly welded to the bottom end of the supporting vertical plate.

Preferably, the two sides of the rear section of the box bearing frame and the positions corresponding to the frame lifting mechanisms are both provided with rear wheel mounting frames, and the rear wheels are located inside the rear wheel mounting frames.

Preferably, the two sides of the rear section of the cargo holding box body and the positions corresponding to the frame lifting mechanisms are provided with expanding cavities, the expanding cavities extend towards the inside of the cargo holding box body, and the frame lifting mechanisms are located inside the expanding cavities.

Preferably, the frame lifting mechanism further comprises an electric hydraulic pump fixedly mounted at the bottom end inside the box bearing frame, and a hydraulic oil conveying pipe is connected in series between a hydraulic oil outlet of the electric hydraulic pump and a hydraulic oil inlet of the hydraulic telescopic cylinder.

Preferably, the frame lifting mechanism further comprises a micro-buffering structure fixedly mounted on the side wall at the rear of the top of the box bearing frame, and a hydraulic buffer tube is connected in series between a hydraulic oil inlet of the micro-buffering structure and a hydraulic oil outlet of the hydraulic telescopic cylinder.

Preferably, the spacing frame and the box bearing frame are respectively provided with a first supporting transverse plate and a second supporting transverse plate in a corresponding welding mode, the length of the second supporting transverse plate is greater than that of the second supporting transverse plate, and the first supporting transverse plate and the second supporting transverse plate are both corresponding to the frame columns of the rear wheel mounting frame to form a fixed connection structure in a welding mode.

Preferably, the limiting frame, the first supporting transverse plate and the second supporting transverse plate are connected with a fixing support in a V-shaped structure through welding.

Preferably, the top end of the carrier plate and the telescopic end of the hydraulic telescopic cylinder as well as the fixed end of the limiting frame and the fixed end of the hydraulic telescopic cylinder are fixedly connected in a manner of being capable of deflecting in a hinged mode.

Preferably, little buffer structure includes that an inside is hollow structure's hydraulic pressure bearing post, the top of hydraulic pressure bearing post is encapsulated situation, the bottom of hydraulic pressure bearing post concatenates with hydraulic buffer tube mutually through the interface, the inside top of hydraulic pressure bearing post sets up to gaseous district section, and the inside bottom of hydraulic pressure bearing post sets up to the hydraulic oil district section.

Advantageous effects

The utility model provides a car box with can rise to level land. Compared with the prior art, the method has the following beneficial effects:

1. this car box with can rise to level ground, through the bearing structure who has changed current freight car box, make the freight car box body after the improvement can be under frame elevating system's effect, whole freight car is under quiescent state, can adjust the height of freight car box at will, when needs goods handling, can directly reduce the railway carriage to bottom and ground parallel and level, the transport personnel of goods just can walk into in the freight car like this, the goods also can directly advance out of the railway carriage with the help of other small handcart or fork truck and carry, so we have not only saved the expense of installing the tailboard additional, and a series of troubles such as inefficacy that has still avoided the tailboard to bring for us, and above all, can avoid the existence of potential safety hazard, the practicality of current commodity circulation freight car when loading and unloading goods has been improved.

2. This car box with can rise to level land, drive the lift of cargo transportation box through frame elevating system, can also be according to the road conditions of driving, adjust the height of car box, for example at smooth highway section, can adjust the automobile body in the low level, just so can reduce the center of whole car, let the car safer at the driving in-process, if in the unsatisfactory highway section of road conditions, can adjust the automobile body to the high level, can avoid the vehicle bottom to collide with the bellying on ground, and then also can protect the safety of driving in-process vehicle.

Drawings

FIG. 1 is a schematic structural view of the utility model of a box body, wherein the box body bearing frame is lowered to the bottom which is level with the ground;

FIG. 2 is a schematic structural view of the box supporting frame of the present invention after being lifted;

FIG. 3 is a schematic structural view of the utility model with the cargo holding box removed;

fig. 4 is an exploded schematic view of the frame lifting mechanism of the present invention;

fig. 5 is a schematic view of the combined structure of the frame lifting mechanism of the present invention;

fig. 6 is a schematic structural view of the micro buffer structure of the present invention.

In the figure: 1. a box body bearing frame; 101. a rear wheel mounting frame; 2. a goods placing box body; 201. expanding a cavity; 3. a frame lifting mechanism; 31. a limiting frame; 32. supporting a vertical plate; 33. a hydraulic telescopic cylinder; 34. connecting the column; 35. a carrier plate; 36. an electrically-driven hydraulic pump; 37. a micro-buffer structure; 371. a hydraulic load bearing column; 372. a gas section; 373. a hydraulic oil section; 38. a hydraulic oil delivery pipe; 39. a hydraulic buffer tube; 310. a first support cross plate; 311. a second support cross plate; 312. a stabilizing bracket; 4. a rear wheel; 5. connecting the beams; 6. a front wheel steering suspension; 7. a front end lifting mechanism; 8. a front wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an automobile box capable of ascending and descending to the flat ground comprises a box bearing frame 1, a cargo placing box 2 is fixedly connected inside the box bearing frame 1 in a welding mode, a group of frame lifting mechanisms 3 are fixedly arranged on two sides of a rear section of the box bearing frame 1, rear wheels 4 are correspondingly arranged at the bottom ends of the two groups of frame lifting mechanisms 3, a connecting beam 5 is fixedly connected to the front end face of the box bearing frame 1, telescopic ends of the two groups of front end lifting mechanisms 7 are fixedly connected to the upper end face of a front wheel steering suspension 6 of a crossbeam, one end of the connecting beam 5 is welded to a non-telescopic section of the front end lifting mechanism 7, a front wheel 8 is correspondingly arranged on two sides of the front wheel steering suspension 6 of the crossbeam, rear wheel installing frames 101 are respectively arranged on two sides of the rear section of the box bearing frame 1 and corresponding to the positions of the frame lifting mechanisms 3, and the rear wheels 4 are positioned inside the rear wheel installing frames 101, the two sides of the rear section of the cargo holding box body 2 and the positions corresponding to the frame lifting mechanisms 3 are provided with expansion cavities 201, the expansion cavities 201 extend towards the inside of the cargo holding box body 2, and the frame lifting mechanisms 3 are located inside the expansion cavities 201.

Referring to fig. 4-5, the frame lifting mechanism 3 includes a limiting frame 31 fixedly installed on the inner side of the rear of the box body bearing frame 1, a supporting vertical plate 32 is slidably connected inside the limiting frame 31, a hydraulic telescopic cylinder 33 is fixedly installed on the end surface of the rear side of the limiting frame 31, one end of a linking column 34 is fixedly connected to the front of the bottom section of the supporting vertical plate 32, the other end of the linking column 34 is fixedly connected to the central shaft of the hub of the rear wheel 4, and a support plate 35 is fixedly welded to the bottom end of the supporting vertical plate 32.

The frame lifting mechanism 3 further comprises an electric hydraulic pump 36 fixedly installed at the bottom end inside the box body bearing frame 1, a hydraulic oil conveying pipe 38 is arranged between a hydraulic oil outlet of the electric hydraulic pump 36 and a hydraulic oil inlet of the hydraulic telescopic cylinder 33 in series, the frame lifting mechanism 3 further comprises a micro-buffer structure 37 fixedly installed on the side wall at the rear of the top of the box body bearing frame 1, a hydraulic buffer pipe 39 is arranged between the hydraulic oil inlet of the micro-buffer structure 37 and the hydraulic oil outlet of the hydraulic telescopic cylinder 33 in series, a first supporting transverse plate 310 and a second supporting transverse plate 311 are respectively and correspondingly welded between the limiting frame 31 and the box body bearing frame 1, the length of the second supporting transverse plate 311 is larger than that of the second supporting transverse plate 311, and the first supporting transverse plate 310 and the second supporting transverse plate 311 are both correspondingly welded with the frame columns of the rear wheel mounting frame 101 to, the spacing frame 31, the first supporting transverse plate 310 and the second supporting transverse plate 311 are connected to a fixing support 312 in a V-shaped structure by welding, and the top end of the support plate 35 and the telescopic end of the hydraulic telescopic cylinder 33 and the fixed ends of the spacing frame 31 and the hydraulic telescopic cylinder 33 are connected to each other by hinges to form a deflectable fixing connection.

Referring to fig. 6, the micro-buffer structure 37 includes a hydraulic support column 371 with a hollow interior, the top of the hydraulic support column 371 is in a sealed state, the bottom of the hydraulic support column 371 is connected in series with the hydraulic buffer tube 39 through a joint, the top of the hydraulic support column 371 is set as a gas section 372, and the bottom of the hydraulic support column 371 is set as a hydraulic oil section 373.

When the device is used, firstly, when the height of the cargo placing box body 2 needs to be raised, the electric hydraulic pump 36 is started, hydraulic oil is injected into the hydraulic telescopic cylinder 33 through the hydraulic oil conveying pipe 38, so that the hydraulic telescopic cylinder 33 extends, the hydraulic telescopic cylinder 33 can apply acting force to the carrier plate 35, the carrier plate 35 is fixedly connected with the bottom end of the supporting vertical plate 32, the supporting vertical plate 32 is fixedly connected with one end of the linking column 34, the other end of the linking column 34 is connected with the central shaft of the hub of the rear wheel 4, therefore, the heights of the supporting vertical plate 32, the linking column 34 and the rear wheel 4 can not change, the acting force applied to the carrier plate 35 by the hydraulic telescopic cylinder 33 can be indirectly transmitted to the rear wheel 4, the rear wheel 4 is transmitted to the ground, the top of the hydraulic telescopic cylinder 33 is forced to move upwards under the action of the reaction, and the top of the hydraulic telescopic cylinder 33 is fixedly connected with the limiting frame, under the action of the supporting vertical plate 32 serving as a guide rail, the whole limiting frame 31 moves upwards, the limiting frame 31 is fixedly connected with the whole box body bearing frame 1, so that the whole box body bearing frame 1 is driven to move upwards, the height of the cargo placing box body 2 can be raised, and the front end lifting mechanism 7 is controlled to extend simultaneously in the raising process of the cargo placing box body 2, so that the front end lifting mechanism 7 drives the whole connecting beam 5 to be raised synchronously with the cargo placing box body 2, after the lifting process, the automobile can conveniently run on a road with poor road conditions, similarly, the hydraulic telescopic cylinder 33 and the front end lifting mechanism 7 are respectively controlled to shorten, the heights of the cargo placing box body 2 and the connecting beam 5 can be synchronously reduced, the height can be reduced to the maximum extent to enable the bottom of the cargo placing box body 2 to be connected with the ground, the cargo loading and unloading are convenient, the gravity center of the whole automobile is lowered, and in the running process of the automobile, when jolting, the electric hydraulic pump 36 is in the dead lock state after stopping working, namely, the hydraulic oil inside the hydraulic telescopic cylinder 33 can not return to the inside of the electric hydraulic pump 36 through the hydraulic oil delivery pipe 38, but can enter into the inside of the hydraulic bearing column 371 through the hydraulic buffer pipe 39, because the top of the hydraulic bearing column 371 is set as the gas section 372, and a certain amount of gas is contained, when the rear wheel 4 meets the jolting road surface, the hydraulic telescopic cylinder 33 can be slightly extended and contracted, when contracting, the hydraulic oil inside the hydraulic buffer pipe 39 forms acting force to the gas section 372, and the gas forms a buffer effect to the part of acting force, thereby playing a role of protecting the hydraulic telescopic cylinder 33.

It is noted that, herein, relational terms such as first and second, and the like 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, the terms "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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An automobile box with liftable to level ground, includes box load-bearing frame (1), its characterized in that: the inside of the box body bearing frame (1) is fixedly connected with a cargo placing box body (2) in a welding mode, two sides of a rear section of the box body bearing frame (1) are fixedly provided with a group of frame lifting mechanisms (3), the bottom ends of the two groups of frame lifting mechanisms (3) are correspondingly provided with rear wheels (4), the front end face of the box body bearing frame (1) is fixedly connected with a connection beam (5), the upper end face of a front wheel steering suspension (6) of a crossbeam is fixedly connected with telescopic ends of the two groups of front end lifting mechanisms (7), one end of the connection beam (5) is welded on a non-telescopic section of the front end lifting mechanisms (7), and two sides of the front wheel steering suspension (6) of the crossbeam are respectively and correspondingly provided with a front wheel (8);

the frame lifting mechanism (3) comprises a limiting frame (31) fixedly mounted on the inner side of the rear portion of the box body bearing frame (1), a supporting vertical plate (32) is connected to the inside of the limiting frame (31) in a sliding mode, a hydraulic telescopic cylinder (33) is fixedly mounted on the end face of the rear side of the limiting frame (31), one end of a connecting column (34) is fixedly connected to the front face of the bottom section of the supporting vertical plate (32), the other end of the connecting column (34) is fixedly connected with a central shaft of a hub of the rear wheel (4), and a support plate (35) is fixedly welded to the bottom end of the supporting vertical plate (32).

2. The automobile box body capable of ascending and descending to the flat ground as claimed in claim 1, wherein: the box bears both sides of frame (1) rear region section and corresponds the position of frame elevating system (3) and all is provided with rear wheel installation frame (101), rear wheel (4) are located the inside of rear wheel installation frame (101).

3. The automobile box body capable of ascending and descending to the flat ground as claimed in claim 1, wherein: the cargo placement box is characterized in that two sides of the rear section of the cargo placement box body (2) and positions corresponding to the frame lifting mechanisms (3) are respectively provided with a position expanding cavity (201), the position expanding cavities (201) extend towards the interior of the cargo placement box body (2), and the frame lifting mechanisms (3) are located in the position expanding cavities (201).

4. The automobile box body capable of ascending and descending to the flat ground as claimed in claim 1, wherein: the frame lifting mechanism (3) further comprises an electric hydraulic pump (36) fixedly installed at the bottom end inside the box bearing frame (1), and a hydraulic oil conveying pipe (38) is connected in series between a hydraulic oil outlet of the electric hydraulic pump (36) and a hydraulic oil inlet of the hydraulic telescopic cylinder (33).

5. The automobile box body capable of ascending and descending to the flat ground as claimed in claim 1, wherein: frame elevating system (3) still include micro-buffer structure (37) of fixed mounting on box bearing frame (1) top rear lateral wall, it is provided with a hydraulic buffer tube (39) to concatenate between the hydraulic oil import of micro-buffer structure (37) and the hydraulic oil export of hydraulic telescoping cylinder (33).

6. The automobile box body capable of ascending and descending to the flat ground as claimed in claim 2, wherein: spacing frame (31) and box bear between the frame (1) and correspond the welding respectively and be provided with first support diaphragm (310) and second support diaphragm (311), the length that second supported diaphragm (311) is greater than the length that second supported diaphragm (311), first support diaphragm (310) and second support diaphragm (311) all correspond and form fixed connection structure through the welding mode with the frame post of rear wheel installation frame (101).

7. The automobile box body capable of ascending and descending to the flat ground as claimed in claim 6, wherein: the limiting frame (31), the first supporting transverse plate (310) and the second supporting transverse plate (311) are connected with a fixing support (312) which is of a V-shaped structure in a welding mode.

8. The automobile box body capable of ascending and descending to the flat ground as claimed in claim 1, wherein: the top end of the carrier plate (35) and the telescopic end of the hydraulic telescopic cylinder (33) as well as the fixed end of the limiting frame (31) and the fixed end of the hydraulic telescopic cylinder (33) are fixedly connected in a manner of being capable of deflecting in a hinged mode.

9. The automobile box body capable of ascending and descending to the flat ground as claimed in claim 5, wherein: little buffer structure (37) include that an inside hydraulic pressure that is hollow structure bears post (371), the top that hydraulic pressure bore post (371) is encapsulated status, the bottom that hydraulic pressure bore post (371) concatenates mutually through interface and hydraulic buffer tube (39), the inside top of hydraulic pressure bore post (371) sets up to gaseous district section (372), and the inside bottom that hydraulic pressure bore post (371) sets up to hydraulic oil district section (373).