CN117022932A

CN117022932A - Carriage for transporting vehicle

Info

Publication number: CN117022932A
Application number: CN202311059093.0A
Authority: CN
Inventors: 李金冠; 李崇桂; 杨静秋; 曾祥智; 蔡丽婷
Original assignee: Huizhou Shengshi Energy Equipment Co ltd
Current assignee: Huizhou Shengshi Energy Equipment Co ltd
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2023-11-10

Abstract

The application relates to a freight box, comprising: the sliding rail set comprises two lifting sliding rails which are oppositely arranged on the inner surfaces of two side plates of the carriage; a hub support structure including a load bearing member and a pair of hub support plates; the two hub supporting plates are fixed on the upper surface of the bearing piece; the bearing piece is spanned between the two lifting slide rails and is in sliding fit with the lifting slide rails; wherein, the lifting slide rail is provided with a limit structure for fixing the bearing piece. In the embodiment, the two wheel hub supporting plates arranged on the upper surface of the bearing piece can stably support the two wheels, and the bearing piece improves the supporting strength for the vehicle; in addition, one end of the vehicle can be obliquely lifted by the aid of the scheme, and the placement length of the vehicle along the length direction of the carriage after being obliquely placed is greatly shortened, so that a greater number of automobiles can be loaded in the carriage.

Description

Carriage for transporting vehicle

Technical Field

The application relates to the field of containers, in particular to a truck carriage.

Background

At present, the long-distance transportation of automobiles is carried by adopting a container. Taking 40' HC standard container as an example, for example, a household small car with a length of about 5 meters can be transported, and at most two cars can be transported in one box, so that the transportation cost is high.

Therefore, how to more closely plan the placement mode of the automobiles in the container and realize loading and transporting a larger number of automobiles in the container is a current urgent problem to be solved.

Disclosure of Invention

Based on this, it is necessary to provide a freight box in view of at least some of the problems set forth above.

A freight car comprising:

the sliding rail set comprises two lifting sliding rails which are oppositely arranged on the inner surfaces of two side plates of the carriage;

a hub support structure including a load bearing member and a pair of hub support plates;

the two hub supporting plates are fixed on the upper surface of the bearing piece; the bearing piece is spanned between the two lifting slide rails and is in sliding fit with the lifting slide rails;

wherein, the lifting slide rail is provided with a limit structure for fixing the bearing piece.

In some embodiments, the plurality of slide rail sets and the plurality of hub support structures are respectively provided, and the plurality of slide rail sets at least comprises a first slide rail set; the top of the lifting slide rail of the first slide rail group is bent towards the front end/door end of the carriage. The top of the lifting slide rail is bent towards the front end/door end of the freight box, and the vehicles on the lifting slide rail are compactly placed in the bending direction of the top of the lifting slide rail as far as possible, so that the utilization rate of the space in the freight box is further improved, and the stacking of the vehicles is compacter.

In some embodiments, a second slide rail set is further included in the plurality of slide rail sets;

the second sliding rail set is lower than the first sliding rail set in height;

the first sliding rail sets and the second sliding rail sets are alternately arranged.

Through this kind of high-low configuration of first slide rail group and second slide rail group, can ensure that the vehicle is when raising the slope, and height and inclination are all more suitable, and the condition that the high too high vehicle scratch extruded that causes is difficult for appearing.

In some embodiments, the lifting slide rail comprises two first guide rails side by side, and an inner chute is formed by surrounding one side surface of the two first guide rails, which is close to each other, and the inner surface of the side plate of the freight box;

the end of the bearing piece is embedded into the inner sliding groove and can slide along the inner sliding groove.

In some embodiments, the first guide rail has a bending portion, and the bending portions of the two first guide rails are disposed opposite to each other;

an outer chute is formed by surrounding the inner surfaces of the side plates of the freight box and the side surfaces of the two bending parts which are far away from each other;

the outer edge of one side of the hub supporting plate extends outwards to form a buckling structure; the buckling structure is embedded into the outer sliding groove and can slide along the outer sliding groove.

The wheel hub support plate can slide along the outer sliding groove through the embedding of the buckling structure and the outer sliding groove, and the wheel hub support plate can be prevented from moving towards the interior of the carriage, so that the wheel shaking along with the wheel hub support plate caused by the separation of the wheel hub support plate and the lifting sliding rail is avoided, and the stability of the vehicle in the lifting process is ensured.

In some embodiments, the lifting slide rail further comprises a second guide rail;

the second guide rail is arranged between the two first guide rails and divides the inner sliding groove into a first sub-groove and a second sub-groove;

the end part of the bearing piece is embedded in the first sub-groove and slides in the second sub-groove.

In some embodiments, the bearing member is composed of two bearing tubes arranged side by side at intervals;

the two bearing pipes slide in the first subslot and the second subslot respectively.

In some embodiments, the limiting structure comprises a through hole and a limiting rod, wherein the through hole and the limiting rod are arranged on the lifting sliding rail and transversely penetrate through the through hole;

the limiting rod penetrates through the through hole;

the bearing piece is erected on the limiting rod.

In some embodiments, the spacing structure further comprises a connector;

one end of the connecting piece is connected with the limiting rod, and the other end of the connecting piece is connected with and propped against the bearing piece.

In some embodiments, the spacing structure further comprises an eye bolt;

through holes corresponding to the positions are respectively arranged on the bearing piece and the hub supporting plate;

the eye bolts sequentially pass through the through holes in the bearing piece and the hub supporting plate from the upper part and are fixedly connected with the connecting piece.

In some embodiments, the side plate of the truck box is provided with a first groove corresponding to the lifting slide rail, and the lifting slide rail is accommodated in and laid in the first groove.

In some embodiments, the hub support plate is removably secured to the load bearing member; the lifting slide rail is provided with an embedded hanging mechanism;

when the hub supporting plate is in a disassembled state, the hub supporting plate is hung on the hanging mechanism.

In some embodiments, the hooking mechanism comprises:

the mounting groove is embedded in the lifting slide rail, the notch of the mounting groove faces the interior of the truck carriage, the mounting groove comprises two side groove walls and a lower groove wall, the two side groove walls are respectively provided with a waist-shaped hole extending up and down, and the surface of the lower groove wall is provided with a limiting protrusion;

the hanging plate is covered on the notch of the mounting groove, the connecting rotating shaft on the surface of the hanging plate penetrates through the waist-shaped hole and is in clearance fit with the waist-shaped hole, and the lower end of the hanging plate is abutted to the lower groove wall; when the connecting rotating shaft moves to the upper part of the waist-shaped hole and the lower end of the hanging plate moves upwards to prop against the limiting protrusion, the upper end of the hanging plate moves to a position far away from the notch.

In some embodiments, the freight box side plate is provided with a second groove corresponding to the load bearing member;

the groove depth of the second groove is larger than the section size of the bearing piece and is used for accommodating the detached bearing piece in a matching manner; and a baffle is arranged on the notch of the lower part of the second groove in a covering manner and is used for limiting the bearing piece to be separated from the second groove.

The carriage has at least the following beneficial technical effects:

in the embodiment, the two wheel hub supporting plates arranged on the upper surface of the bearing piece can stably support the two wheels, and the bearing piece improves the supporting strength for the vehicle; in addition, one end of the vehicle can be obliquely lifted by the aid of the scheme, and the placement length of the vehicle along the length direction of the carriage after being obliquely placed is greatly shortened, so that a greater number of automobiles can be loaded in the carriage.

Drawings

FIG. 1 is a schematic diagram of a truck bed according to an embodiment of the present application;

FIG. 2 is a perspective view of FIG. 1;

FIG. 3 is a schematic view of the truck bed of FIG. 1 loaded with 4 vehicles;

FIG. 4 is a bottom view of the freight box of FIG. 1;

FIG. 5 is an enlarged view of a portion of the bearing and hub support plate of FIG. 4;

FIG. 6 is an enlarged top plan view of the bearing and hub support plate of FIG. 4;

FIG. 7 is a schematic illustration of the hub support structure of the truck bed of FIG. 1 mated with an upper curved lift rail;

FIG. 8 is an enlarged view of FIG. 7 at A;

FIG. 9 is a schematic view of a truck bed according to another embodiment of the present application;

FIG. 10 is a schematic view of a side of a hub support plate with a guide ramp;

FIG. 11 is a schematic structural view of a hub support plate in accordance with the present application;

FIG. 12 is a schematic view of a hub support structure according to an embodiment of the present application received in a longitudinal sidewall of a cargo box;

FIG. 13 is an enlarged view at B in FIG. 12;

FIG. 14 is a front view of a hitch of a hub support plate using a hitch mechanism;

FIG. 15 is a side view of a hitch of a hub support plate using a hitch mechanism (support plate omitted from the drawing);

FIG. 16 is a schematic view of the hitching mechanism in a non-hitched condition;

FIG. 17 is an enlarged view of FIG. 12 at C;

FIG. 18 is an exploded view of FIG. 17;

fig. 19 is a front view of fig. 17;

FIG. 20 is an enlarged view of the lower portion of FIG. 19;

in the drawing the view of the figure,

1. a carriage; 1-1, side plates; 1-2, a first groove; 1-3, a second groove; 1-3a, baffle plates; 1-3b, notch; 1-3c, a limiting body; 1-3d, connecting plates; 1-3e, connecting ropes; 1-3f, springs; 1-4, door panels;

2. a vehicle; 2-1, front wheels; 2-2, rear wheels;

10. a hub support structure; 100. a load bearing member; 101. a hub support plate; 101a, bundling holes; 101b, a hanging hole; 101c, a wheel blocking lever; 101d, a buckling structure; 101e, through holes; 102. a guide ramp; 103. an eye bolt;

20. a slide rail group; 200. lifting the sliding rail; 210. a first guide rail; 220. a second guide rail; 231. a limit rod; 231a, a connector;

1000. a hitching mechanism; 1100. a mounting groove; 1101. side groove walls; 1101a, a waist-shaped hole; 1102. a lower groove wall; 1102a, limit protrusions; 1200. a hanging plate; 1201. is connected with the rotating shaft.

Detailed Description

The application is further described below with reference to the accompanying drawings.

In order that the application may be readily understood, various embodiments of the application defined by the claims will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the application are shown in the drawings, which contain various specific details to aid in this understanding, but these details should be regarded as merely exemplary. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Accordingly, one of ordinary skill in the art will recognize that variations and modifications can be made to the various embodiments described herein without departing from the scope of the application as defined by the appended claims. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.

It will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present application are provided for illustration only and not for the purpose of limiting the application as defined by the appended claims.

Throughout the description and claims of this specification, the words "comprise" and "include" and variations of the words, such as "comprising" and "including", mean "including but not limited to", without intending to (and without) exclude other elements, integers or steps. Features, integers or characteristics described in conjunction with a particular aspect, embodiment or example of the application are to be understood to be applicable to any other aspect, embodiment or example described herein unless incompatible therewith.

It should be understood that the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. The terms "comprises," "comprising," and/or "including" as used in this specification are intended to specify the presence of stated features, operations, or elements, but are not intended to limit the presence of one or more other features, operations, and/or elements. Furthermore, in the present disclosure, the terms "comprises" and/or "comprising," are intended to denote the presence of the characteristics, quantity, operation, elements, and components disclosed in the application, or combinations thereof. Thus, the terms "comprising" and/or "having" should be understood to mean that there are additional possibilities of one or more other features, quantities, operations, elements, and components, or combinations thereof.

In the present application, the expression "or" includes any or all combinations of words listed together. For example, "a or B" may contain a or B, or may contain both a and B.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present.

The terms "upper", "lower", "left", "right", and the like are used herein only to denote relative positional relationships, which may be changed when the absolute position of the object to be described is changed.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and this specification and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-4, in one embodiment of the present application, there is provided a freight box comprising:

the sliding rail set 20 comprises two lifting sliding rails 200, and the two lifting sliding rails 200 are oppositely arranged on the inner surfaces of the two side plates 1-1 of the carriage 1;

a hub support structure 10, said hub support structure 10 comprising a load bearing member 100 and a pair of hub support plates 101;

both of the hub support plates 101 are fixed to the upper surface of the bearing member 100; the bearing piece 100 is spanned between the two lifting slide rails 200 and is in sliding fit with the lifting slide rails 200;

the lifting slide rail 200 is provided with a limiting structure for fixing the bearing member 100.

Specifically, during loading, firstly, the bearing piece 100 and two hub supporting plates 101 arranged on the upper surface of the bearing piece 100 are flatly placed on the ground in the box; operating the vehicle 2 into the freight box 1 so that two front wheels 2-1 or two rear wheels 2-2 of the vehicle 2 respectively fall on two hub support plates 101 on the upper surface of the load bearing member 100, and fixing the wheels and the hub support plates 101 together; lifting the hub supporting structure 10 by using lifting equipment, wherein the front wheel 2-1 (or the rear wheel 2-2) rotates around the rear wheel 2-2 (or the front wheel 2-1) to incline and lift, and the vehicle head or the vehicle tail is lifted; the two ends of the bearing member 100 are respectively slid to the upper parts of the two opposite lifting slide rails 200, the bearing member 100 is fixedly connected with the lifting slide rails 200 by utilizing a limiting structure, so that the head or tail of the lifting vehicle can be fixed, the whole vehicle 2 is in an inclined state, and enough space can be reserved below the wheels of the inclined vehicle 2 to accommodate one vehicle 2. In this embodiment, the lifting device may be a hoist, for example, a hoist support is disposed on the inner roof of the freight box.

In this embodiment, two wheel hub support plates 101 disposed on the upper surface of the bearing member 100 can stably support two wheels, and the bearing member 100 improves the support strength of the support plates 101; in addition, one end of the vehicle is inclined by the scheme, the placing length of the vehicle 2 along the length direction of the carriage 1 is greatly shortened after the vehicle 2 is obliquely placed, and a vehicle can be inserted below the chassis of the inclined vehicle, so that a larger number of vehicles can be loaded in the carriage 1.

Referring to fig. 1, the plurality of slide rail sets and the plurality of hub supporting structures are respectively provided, and at least a first slide rail set is included in the plurality of slide rail sets; the top of the lifting rail 200 of the first rail group is bent toward the front/door end of the freight box. It should be noted that, the top of the lifting sliding rail 200 is bent towards the front end/door end of the freight box, and the vehicle on the lifting sliding rail 200 is compactly placed towards the bending direction of the top of the lifting sliding rail 200 as much as possible, so that the utilization rate of the space in the freight box is further improved, and the stacking of the vehicles is compacter.

Specifically, the vehicle 2 is driven in reverse, so that the two front wheels 2-1 of the vehicle 2 fall on the hub support plates 101 matched with the first sliding rail set and are fixed together with the hub support plates 101 respectively; the front wheel 2-1 is lifted by operation, and the front wheel 2-1 is rotated upwards by taking the wheel axle of the rear wheel 2-2 as the center, so that the whole vehicle body is in an inclined state.

By adopting the arrangement, when the front wheel is fixed and the front wheel 2-1 is operated to be lifted, the front wheel 2-1 can just slide along the bending part of the upper part of the lifting slide rail 200 of the first slide rail group; the rear wheels 2-2 of the vehicle 2 do not roll forward during the tilting and lifting process, i.e. the distance between the rear wheels 2-2 and the door ends 1-4 of the carriage 1 adjacent thereto does not increase during this process, and a larger space can be reserved for the vehicles that subsequently run into the carriage 1 in reverse order to accommodate a larger number of vehicles.

Referring to fig. 2, 7, and 8, in some embodiments, a second slide rail set is further included in the plurality of slide rail sets 20; the second sliding rail set is lower than the first sliding rail set in height; the first sliding rail sets and the second sliding rail sets are alternately arranged. Through this kind of high-low configuration of first slide rail group and second slide rail group, the second slide rail group has restricted the one end wheel of vehicle by the height of lifting, and first slide rail group has restricted the other end wheel of vehicle by the height of lifting, and then influences the inclination of vehicle to can ensure that the vehicle is when raising the slope, height and inclination are all more suitable, the difficult condition that highly causes the vehicle scratch extrusion that appears.

In the present application, the first slide rail set and the second slide rail set cooperate to lift a vehicle 2 to an upper layer. The operation mode is as follows: firstly, driving the vehicle 2 in a reversing operation, so that two front wheels 2-1 and two rear wheels 2-2 of the vehicle 2 respectively fall on the hub supporting plates 101 of the first sliding rail group and the second sliding rail group and are respectively fixed with the located hub supporting plates 101; the wheel hub supporting plate 101 where the front wheel and the rear wheel of the vehicle 2 are located is lifted upwards by using the lifting equipment, when the front wheel 2 and the rear wheel are lifted to a preset height, the rear wheel 2-2 is not moved, the front wheel 2-1 is lifted by operation, the front wheel 2-1 rotates upwards by taking the wheel shaft of the rear wheel 2-2 as the center, and the whole vehicle body reaches an inclined lifting state. After the upper layer vehicle 2 is lifted obliquely in place, the lower layer vehicle 2 is directly opened into the freight box 1 and inserted under the chassis of the upper layer vehicle 2.

In this embodiment, the rear wheels 2-2 of the vehicle are lifted up, a larger space is provided below the rear wheels 2-2, and the lower layer of vehicle 2 is just inserted into the bottom of the upper layer of vehicle 2 and is close to the rear wheels 2-2 of the upper layer of vehicle 2 after driving in, thereby saving space. The front wheel and the rear wheel are fixed, the front wheel and the rear wheel are lifted simultaneously, and the front wheel is lifted obliquely upwards, so that the operation steps are few, and the working efficiency is high; after the vehicle is backed up and enters the carriage 1, the mode that the front wheels 2-1 are inclined again by the whole lifting of the vehicle 2 is adopted by the precursor, the rear wheels 2-2 of the vehicle 2 are completely fixed in the process, forward rolling cannot occur, namely, the distance between the rear wheels 2-2 and the door plates 1-4 of the carriage 1 close to the rear wheels in the process cannot be increased, and a larger space can be reserved for the vehicles 2 which enter the carriage 1 in sequence subsequently so as to accommodate more vehicles 2.

Further, the curved portion at the top of the lifting sliding rail 200 of the first sliding rail set is in a circular arc shape, and the radius is the same as the axle distance between the front wheel and the rear wheel of the vehicle 2. By adopting this arrangement, when the front and rear wheels are completely fixed and the lifting front wheel 2-1 is operated, the front wheel 2-1 can just slide along the curved portion of the upper portion of the lifting slide rail 200, so that derailment does not occur.

Referring to fig. 9, in the second embodiment, the first sliding rail sets and the second sliding rail sets are alternately arranged, and the height of the second sliding rail set is lower than that of the first sliding rail set, which is different from the embodiment of fig. 1-2 in that: each lifting slide rail 200 is vertically disposed. The operation mode is as follows: operating the vehicle 2 to reverse into the carriage 1 so that the two front wheels 2-1 of the vehicle 2 respectively fall on the hub supporting plates 101 and are respectively fixed with the hub supporting plates 101, and the rear wheels 2-2 are in an unfixed state; operating the front wheel 2-1 to raise a certain height to a preset inclination, wherein the rear wheel 2-2 rolls forward and falls on the surface of the hub supporting plate 101 behind the front wheel 2-1; the rear wheel 2-2 is fixed to the hub support plate 101 and then the hub support plates 101 of the front and rear wheels are lifted synchronously, so that the whole vehicle 2 is lifted upwards in an inclined state.

In this embodiment, compared with the first embodiment, it is necessary to calculate in advance the relationship between the vertical lift height of the front wheel 2-1 and the running point of the rear wheel 2-2, that is, when the vehicle head is lifted obliquely in place, the rear wheel 2-2 of the vehicle 2 can just reach the corresponding hub support plate 101. The operation of the embodiment adopts a mode of 'front wheel fixing, front wheel upward inclined lifting, rear wheel fixing and front and rear simultaneous lifting', so that the rear wheel 2-2 is in an unfixed state in advance, and the operation is more flexible by adopting a mode of inclining and integrally lifting the headstock by a precursor; each lifting slide rail 200 can be adjusted to be a vertical slide rail, namely, a bending structure is not required to be arranged at the top of the lifting slide rail 200, and the processing cost is low.

In the above description, the description is given taking the case of driving into the freight box 1 in reverse and tilting the front wheel 2-1. Of course, in other embodiments, it is also possible to drive the vehicle 2 forward into the freight box 1 and tilt-lift the rear wheels 2-2, without limitation of the application.

Referring to fig. 10, in some embodiments, the hub support plate 101 is provided with a guide slope 102 at one side edge along the longitudinal direction of the freight box 1, and an included angle between the guide slope 102 and an upper support surface of the hub support plate 101 is greater than 180 °. The vehicle 2 is operated to drive into the truck box 1, the tires of the vehicle 2 can roll upwards along the guide slope 102 to the corresponding hub supporting plates 101, and after the wheels and the hub supporting plates 101 are fixed together, the hub supporting plates 101 and the vehicle 2 are hoisted and transported by using hoisting equipment.

The guiding slope 102 on one side of the hub supporting plate 101 in this embodiment can conveniently drive the wheel to smoothly reach the corresponding hub supporting plate 101, and the vehicle 2 can reach the surface of the hub supporting plate 101 without overcoming the blocking force during loading, so that jolting can not occur.

Referring to fig. 11, in some embodiments, the hub support plate 101 has a surface provided with a plurality of rows of strapping holes 101a for passing strapping ties therethrough to secure the tires of the vehicle 2 to the surface of the hub support plate 101. The tire is reliably connected with the hub supporting plate 101 in a bundling mode, so that the tire is convenient to install and detach, and the operating efficiency is improved.

Referring to fig. 12-14, in some embodiments, the inner surface of the side plate 1-1 of the freight box is provided with a first groove 1-2 corresponding to the lifting slide rail 200, and the lifting slide rail 200 is accommodated in and laid in the first groove 1-2. The lifting slide rail 200 can be hidden in the side plate of the carriage and does not protrude from the side plate of the carriage, when a transport vehicle is not needed, the hub support plate 101 and the bearing piece 100 can be detached and then directly moved away or stored in each preset groove of the side plate of the carriage, at the moment, the carriage can be used as a standard dry cargo box, can be used for loading dry cargoes besides the transport vehicle, and can realize the transport combination of various cargoes, and the functions are more various.

Referring to fig. 12-14, in some embodiments, the hub support plate 101 is removably secured to the load bearing member 100; the lifting slide rail 200 is provided with an embedded hanging mechanism 1000; the hub supporting plate 101 is coupled to the coupling mechanism 1000 in a detached state.

Specifically, after the hub support plate 101 is separated from the load bearing member 100, the individual hub support plate 101 is operable to rotate upwardly and cooperatively hang onto the hitching mechanism 1000 to be fixedly received in the first recess 1-2. When the hub support plate 101 is hung on the hanging mechanism 1000, the safety accident caused by the falling of the hub support plate 101 during storage can be avoided.

In some embodiments, the hub support plate 101 may also be provided so as not to protrude from the truck bed side plates when the hitching mechanism 1000 is hitched, thereby allowing for a standard dry cargo box when the truck bed is not in need of a transport vehicle.

Referring to fig. 15-16, in some embodiments, the hitching mechanism 1000 includes:

the mounting groove 1100 is embedded in the lifting slide rail 200, the notch of the mounting groove 1100 faces the interior of the carriage 1, the mounting groove 1100 comprises two side groove walls 1101 and a lower groove wall 1102, the two side groove walls 1101 are respectively provided with a waist-shaped hole 1101a extending up and down, and the surface of the lower groove wall 1102 is provided with a limit protrusion 1102a;

a hanging plate 1200 covering the notch of the mounting groove 1100, wherein the connecting rotating shaft 1201 on the surface of the hanging plate 1200 passes through the waist-shaped hole 1101a and is in clearance fit with the waist-shaped hole 1101a, and the lower end of the hanging plate 1200 is abutted against the lower groove wall 1102; when the connection shaft 1201 moves to the upper portion of the waist-shaped hole 1101a and the lower end of the hanging plate 1200 moves upward to abut against the limit projection 1102a, the upper end of the hanging plate 1200 moves to a position away from the notch.

Specifically, when the hub support plate 101 is not required to be hooked, the hanging plate 1200 directly covers the notch of the mounting groove 1100, and at this time, the lower end of the hanging plate 1200 abuts against the lower groove wall 1102; when the hub supporting plate 101 is stored, the upper end of the hanging plate 1200 can be manually lifted or pressed against the hanging plate 1200, so that the hanging plate 1200 rotates along the rotation shaft 1201 to expose the upper end of the hanging plate 1200. When the connecting shaft 1201 moves to the upper portion of the waist-shaped hole 1101a and the lower end of the hanging plate 1200 moves upward to abut against the limit projection 1102a, the upper end of the hanging plate 1200 moves to a position away from the notch, and at this time, the hub supporting plate 101 that rotates upward may be hung between the upper end of the hanging plate 1200 and the notch of the mounting groove 1100.

The hitching mechanism 1000 designed in this embodiment has a simple structure, and when hitching is not needed, the hitching plate 1200 will not protrude from the notch of the mounting groove 1100, so as to avoid collision with the vehicle 2 in the carriage 1, and avoid collision damage during transportation of the vehicle 2; in the hanging state, the waist-shaped hole 1101a can prop against the connecting rotating shaft 1201, the limiting protrusion 1102a props against the lower end of the hanging plate 1200, and the designed limiting points enable the hanging plate 1200 to stably bear the hub supporting plate 101, so that the hub supporting plate 101 is prevented from falling off, and the use safety is high.

Referring to fig. 11, in some embodiments, a surface of the hub support plate 101 is provided with a hooking hole 101b that mates with the hooking mechanism 1000. The hanging hole 101b is matched with the hanging mechanism 1000, so that the supporting plate 101 can be stored, the hanging hole 101b is directly dug on the surface of the supporting plate 101, and the weight of the supporting plate 101 is reduced; the structure such as a hook is not required to be arranged independently, and the structure is simpler.

Referring to fig. 11, in some embodiments, the surface of the hub supporting plate 101 is provided with two wheel blocking bars 101c at intervals in the longitudinal direction of the truck box 1 for blocking the longitudinal movement of the wheel along the truck box 1 when the wheel is placed between the two wheel blocking bars 101 c. The two wheel blocking rods 101c are configured to effectively prevent the wheels from rolling back and forth during lifting, and the vehicle 2 is fixed with high stability.

Referring to fig. 7, in some embodiments, the lifting slide rail 200 includes two first guide rails 210 side by side, and an inner chute is formed by surrounding a side surface of the two first guide rails 210, which is close to each other, and an inner surface of the side plate 1-1 of the freight box; the end of the load bearing member 100 is inserted into and slidable along the inner slide.

In this embodiment, two first guide rails 210 are designed side by side to limit the bearing member 100 from two sides, so as to prevent the bearing member 100 from being separated from the track during the vertical sliding process and from deviating from the preset track.

Referring to fig. 5, 11, and 13, in some embodiments, the first guide rail has a bending portion, and the bending portions of the two first guide rails are disposed opposite to each other; an outer chute is formed by surrounding the inner surfaces of the side plates of the freight box and the side surfaces of the two bending parts which are far away from each other; the outer edge of one side of the hub supporting plate extends outwards to form a buckling structure; the buckling structure is embedded into the outer sliding groove and can slide along the outer sliding groove.

In this embodiment, the first guide rail 210 may include a fixing portion and a bending portion, the fixing portion is fixed on an inner surface of a side plate of the freight box, the fixing portion may be a square tube or a U-shaped square tube (when the fixing portion is a U-shaped square tube, an opening of the U-shaped square tube faces an inner surface of the side plate of the freight box and is fastened and fixed on the inner surface of the side plate of the freight box), the bending portion has at least one L-shaped bend, at least one side of the bending portion is fixed on the fixing portion, and the other side is used for enclosing with the inner surface of the side plate of the freight box to form an outer chute.

In some embodiments, the first guide rail 210 may be of a "" type, and the openings of the two first guide rails 210 are disposed opposite to each other;

an outer chute is formed by surrounding the inner surface of the side plate 1-1 of the freight box and the surface of one side, away from each other, of the two first guide rails 210;

the outer edge of one side of the hub supporting plate 101 extends outwards to form a buckling structure 101d; the buckling structure 101d is embedded in the outer chute and can slide along the outer chute.

The wheel hub supporting plate 101 can slide along the outer sliding groove through the embedding of the buckling structure 101d and the outer sliding groove, and the wheel hub supporting plate 101 can be prevented from moving towards the interior of the carriage 1, so that the wheel shaking along with the wheel hub supporting plate 101 caused by the separation of the wheel hub supporting plate 101 and the lifting sliding rail 200 is avoided, and the stability of the vehicle in the lifting process is ensured.

Referring to fig. 8, in some embodiments, the lifting slide further comprises a second rail 220;

the second guide rail 220 is disposed between the two first guide rails 210, and divides the inner slide groove into a first sub-groove and a second sub-groove;

the end of the bearing member 100 is engaged with the first sub-groove and slides in the second sub-groove.

In this embodiment, the second guide rail 220 is added to divide the inner sliding groove into the first sub-groove and the second sub-groove, and the two sub-grooves can more precisely limit the bearing member 100, so as to ensure that the bearing member 100 can be lifted along the preset track all the time. Specifically, the two ends of the bearing member 100 may be provided with sliders that extend outward to correspond to the first sub-slot and the second sub-slot.

Referring to fig. 8, in some embodiments, the load bearing member 100 is comprised of two load bearing tubes spaced side by side;

The two bearing pipes that this embodiment set up respectively with first sub-groove and second sub-groove sliding fit, the intensity of two bearing pipes is higher, can promote the bearing capacity to backup pad 101, simple structure, simultaneously, the bearing pipe is more common in the mill to the commonality of bearing piece has been promoted.

Referring to fig. 12, 17-20, in some embodiments, the side plate 1-1 of the truck box is provided with a second groove 1-3 corresponding to the bearing member 100, and the groove depth of the second groove 1-3 is larger than the cross-sectional dimension of the bearing member 100, so as to accommodate the disassembled bearing member 100 in a matching manner; and, the lower notch of the second groove 1-3 is covered with a baffle plate 1-3a for limiting the bearing member 100 from falling out of the second groove 1-3.

When the transport vehicle 2 is not required, the bearing member 100 and the hub support plate 101 can be separated and stored separately. Specifically, a separate load bearing member 100 is operable to be embedded within the second recess 1-3 such that the load bearing member 100 is received directly into and secured to the second recess 1-3. The baffle plate 1-3a arranged at the notch at the lower part of the second groove 1-3 can prevent the bearing piece 100 from falling out of the second groove 1-3, so that the bearing piece 100 can be normally contained in the second groove 1-3.

In this embodiment, the groove depth of the second groove 1-3 is greater than the cross-sectional dimension of the bearing member 100, when the bearing member 100 is hidden in the second groove 1-3, the bearing member does not protrude from the surface of the longitudinal side wall 1-1 of the freight box 1, and does not extend into the box, at this time, a standard cube space is formed in the box, and the bearing member can be used as a standard dry container, can be used for loading dry goods in addition to a freight car, realizes transportation combination of various goods, and has more various functions.

Referring to fig. 19, in some embodiments, the lower portion of the baffle 1-3a is provided with a notch 1-3b. Dust and water in a cavity formed between the baffle plate 1-3a and the second groove 1-3 can be discharged through the notch 1-3b, so that dust accumulation and water accumulation in the cavity are avoided.

Referring to fig. 17, in some embodiments, two limiting bodies 1-3c are sequentially disposed on a surface of the side of the baffle plate 1-3a facing the bottom plate of the second groove 1-3 in the longitudinal direction of the freight box 1, and the two limiting bodies 1-3c are disposed opposite to two side surfaces of the bearing member 100 in the longitudinal direction of the freight box 1. The two limiting bodies 1-3c provided in this embodiment can limit the bearing member 100, so as to avoid the bearing member 100 from shaking severely in the second groove 1-3 and generating noise.

Referring to fig. 17, in some embodiments, the distance between the two spacing bodies 1-3c is slightly greater than the width of the load bearing member 100 in the longitudinal direction along the freight box 1. Under the setting condition, the bearing piece 100 can be conveniently placed between the two limiting bodies 1-3c, the gap between the limiting bodies 1-3c and the two side surfaces of the bearing piece 100 is small, and the bearing piece 100 can not shake basically in the transportation process.

Referring to fig. 17, in some embodiments, two connection plates 1-3d are disposed at intervals along the longitudinal direction of the freight box 1 at the upper portion of the second groove 1-3, and connection holes are formed on the surfaces of the two connection plates 1-3d, respectively, for the connection ropes 1-3e to pass through in sequence so as to bind the bearing member 100 in the second groove 1-3. The connecting rope 1-3e at the upper part of the second groove 1-3 can bind the upper part of the bearing piece 100, the baffle plate 1-3a combined with the lower part of the second groove 1-3 can limit the bearing piece 100 from top to bottom, so that the upper part of the bearing piece 100 is prevented from tilting into the box, the lower part of the bearing piece 100 can be prevented from jumping out of a cavity between the baffle plate 1-3a and the second groove 1-3 in a jolt state, and the bearing piece 100 can be completely and continuously accommodated in the second groove 1-3.

Referring to fig. 19, in some embodiments, a spring 1-3f is disposed at the top end of the second groove 1-3, and the spring 1-3f extends in a vertical direction, and has one end connected to the top end of the second groove 1-3 and the other end for abutting against the upper end surface of the bearing member 100. The springs 1-3f of the present embodiment can apply an abutment force to the upper end surface of the bearing member 100, so as to prevent the bearing member 100 from jumping out of the cavity between the baffle plate 1-3a and the second groove 1-3 due to jolt up and down during transportation.

Referring to fig. 8, in some embodiments, the limiting structure includes a through hole and a limiting rod 231, which are disposed on the lifting slide rail and transversely penetrate through the through hole;

the limit rod 231 is arranged through the through hole;

the bearing member 100 is erected on the limit lever 231.

The stop lever 231 of the present embodiment can stop and support the load bearing member 100 (like a latch), prevent the load bearing member 100, the hub support plate 101 and the vehicle 2 from falling, and improve the safety during transportation.

In some embodiments, a screw hole may be further formed on the stop lever 213, and further, the stop lever 213 is fixed on the side plate of the freight box, so that the vehicle can be prevented from jumping or sagging more effectively.

Referring to fig. 8, in some embodiments, the spacing structure further includes a connector 231a;

one end of the connecting piece 231a is connected to the limit rod 231, and the other end is connected to and abuts against the bearing piece 100.

The connecting piece 231a of the embodiment connects and fixes the limit rod 231 and the bearing piece 100 together, so that the limit rod 231 can be prevented from falling out of the through hole, and the bearing piece 100, the hub supporting plate 101 and the vehicle 2 can fall down, thereby improving the safety in the transportation process. The connection member 231a may specifically be, but is not limited to, a bolt and an angle iron, which are not limited herein. If the connecting piece 231a can be in an L shape, one surface is fixedly connected with the limit rod 231, and the other surface is fixedly connected with the bearing piece 100.

Referring to fig. 8, in some embodiments, the limit structure further comprises an eye bolt 103;

through holes corresponding to the positions are respectively formed in the bearing piece 100 and the hub supporting plate 101;

the eye bolts 103 sequentially pass through the hub supporting plate 101 and the through holes of the bearing member 100 from above and are fixedly connected with the connecting members 231 a.

Specifically, the connecting member 231a is provided with a hole corresponding to the through hole 101e, and the eye bolt 103 sequentially passes through the through hole 101e on the hub supporting plate 101, the bearing member 100, and the connecting member 231a from above, and locks the hub supporting plate 101, the bearing member 100, and the connecting member 231a together by nut fitting.

The eye bolt 103 fixedly connects the bearing member 100 with the connecting member 231a, and further increases the fixing connection strength of the bearing member 100 with the limit lever 231. In addition, the lifting bolt 103 can firmly connect the bearing piece 100 and the supporting plate 101, and is convenient to quickly detach during storage; meanwhile, the eye bolt 103 is convenient to pull upwards after being penetrated with the lifting rope, and the operation is convenient.

In the above description, although the respective elements of the present application may be described using expressions such as "first" and "second", they are not intended to limit the corresponding elements. For example, the above description is not intended to limit the order or importance of the corresponding elements. The above description is intended to distinguish one element from another element.

The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The singular forms include plural forms unless there is a significant difference in context, schemes, etc. between them.

The foregoing is merely exemplary embodiments of the present application and is not intended to limit the scope of the application, which is defined by the appended claims.

It will be appreciated by those skilled in the art that the technical features of the above-described embodiments may be omitted, added or combined in any way, and that all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, and that simple variations which can be envisaged by those skilled in the art, and structural variations which make adaptations and functionalities of the prior art, should be considered as within the scope of the present description.

The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that while the present application has been shown and described with reference to various embodiments, it will be apparent to those skilled in the art that various changes and modifications in form and details may be made therein without departing from the scope of the application as defined by the appended claims. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims

1. A freight car, comprising:

2. The truck bed of claim 1 wherein the plurality of rail sets and hub support structures are each a plurality of the rail sets, the plurality of rail sets including at least a first rail set; the top of the lifting slide rail of the first slide rail group is bent towards the front end/door end of the carriage.

3. The freight box of claim 2, wherein a plurality of said slide rail sets further comprise a second slide rail set;

the second sliding rail set is lower than the first sliding rail set in height;

4. A carriage according to any one of claims 1 to 3, wherein the lifting slide rail comprises two first guide rails side by side, and an inner slide groove is formed by surrounding the inner surface of the carriage side plate and the side surface of the first guide rails, which are close to each other;

5. The freight box as defined in claim 4, wherein the first rail has a bent portion, and the bent portions of the two first rails are disposed opposite to each other;

6. The freight car as defined in claim 4, wherein the lifting slide further includes a second rail;

7. The freight car according to claim 6, wherein said load bearing member is comprised of two load bearing tubes spaced side by side;

8. The freight box according to claim 1, wherein the limit structure comprises a through hole and a limit rod which are arranged on the lifting slide rail and transversely penetrate through the through hole;

the limiting rod penetrates through the through hole;

the bearing piece is erected on the limiting rod.

9. The freight box as defined in claim 8, wherein the limit structure further includes a connector;

10. The freight box as defined in claim 9, wherein the limit structure further includes an eye bolt;

11. The freight box according to claim 1, wherein the freight box side plate is provided with a first groove corresponding to the lifting slide rail, and the lifting slide rail is accommodated in and laid in the first groove.

12. The freight box according to claim 1 or 11, wherein the hub support plate is detachably secured to the load bearing member; the lifting slide rail is provided with an embedded hanging mechanism;

13. The freight box as defined in claim 12, wherein the hitch mechanism includes:

14. The freight box according to claim 1 or 11, characterized in that the freight box side plate is provided with a second recess corresponding to the load bearing member;

15. The freight box according to claim 14, wherein the top end of the second recess is provided with a spring, the spring extends in the vertical direction, and one end of the spring is connected to the top end of the second recess, and the other end of the spring is used for abutting against the upper end face of the bearing member.

16. The truck bed of claim 1 wherein said hub support plate is provided with a guide ramp along a longitudinal side edge of the truck bed, said guide ramp being angled at an angle greater than 180 ° from an upper support surface of said hub support plate.