CN110884512A

CN110884512A - Concave underframe structure and piggyback transport vehicle

Info

Publication number: CN110884512A
Application number: CN201911223377.2A
Authority: CN
Inventors: 赵玉叶; 时嘉宏; 郑官兴; 王文; 白雪; 吴振国
Original assignee: China Shenhua Energy Co Ltd; CRRC Qiqihar Rolling Stock Co Ltd; Shenhua Rail and Freight Wagons Transport Co Ltd
Current assignee: China Shenhua Energy Co Ltd; CRRC Qiqihar Rolling Stock Co Ltd; Shenhua Rail and Freight Wagons Transport Co Ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-03-17

Abstract

The invention provides a concave underframe structure and a piggyback transport vehicle. Wherein, concave underframe structure includes: the side bearing assembly is used for bearing a to-be-sent piece, and comprises a floor assembly, a pincer-shaped frame assembly, a cab apron assembly, at least two side wall assemblies, a first end beam assembly, a floor protection assembly, a second end beam assembly, a protective cover assembly, a reinforcing beam assembly and a side bearing assembly matched with external equipment. The invention solves the problem of poor bearing capacity of the concave underframe in the prior art.

Description

Concave underframe structure and piggyback transport vehicle

Technical Field

The invention relates to the technical field of piggyback transportation, in particular to a concave underframe structure and a piggyback transport vehicle.

Background

The railway piggyback transportation can meet the requirements of quick, various and flexible cargo transportation, and the piggyback transportation takes a road truck, a semi-trailer and a container as main transportation objects. The semitrailer can be separated from the tractor, the piggyback transportation weight is reduced, and compared with a road truck, the semitrailer is more economical and faster and is the main piggyback transportation mode.

Most of the conventional concave underframe used for the piggyback transport vehicle has low bearing capacity, cannot adapt to bearing equipment such as a road vehicle, a semitrailer and the like, has single function and poor universality, and cannot meet the use requirements of transportation of devices such as containers and the like.

Disclosure of Invention

The invention mainly aims to provide a concave underframe structure and a piggyback transport vehicle, so as to solve the problem of poor bearing capacity of a concave underframe in the prior art.

In order to achieve the above object, according to one aspect of the present invention, there is provided a recessed chassis structure including: a floor assembly for carrying the item to be delivered; the pincer-shaped frame assembly is connected with one end of the floor assembly; the cab apron component is connected with the pincer-shaped frame component, at least one part of the cab apron component can move relative to the floor component, and a conveying inclined plane for conveying the to-be-conveyed piece can be formed; the bottom of the side wall assembly is connected with the floor assembly and forms an accommodating area for accommodating the piece to be conveyed together with the floor assembly, and one end of the side wall assembly is connected with the pincerlike frame assembly; the first end beam assembly is positioned at one end of the floor assembly and is connected with the floor assembly and the side wall assembly through the pincerlike frame assembly; the floor protection assembly is arranged at the outer bottom of the floor assembly and supports the floor assembly when the concave underframe structure is in contact with the ground; the second end beam assembly is connected with the floor assembly and is positioned at one end of the floor assembly, which is far away from the pincer-shaped frame assembly; the protective cover assembly is embedded on the floor assembly, and the extending direction of the protective cover assembly is the same as that of the floor assembly; the reinforcing beam assembly is connected with the side wall assembly and is positioned at one end of the side wall assembly, which is far away from the pincer-shaped frame assembly; and the side bearing assembly is used for being matched with external equipment, is connected with the side wall assembly and is positioned at one end, away from the pincerlike frame assembly, of the side wall assembly.

Further, the floor assembly comprises at least two floor main bodies which are arranged in groups, the to-be-conveyed piece can be borne on the floor main bodies, the two floor main bodies which are arranged in groups are arranged in parallel at intervals, and the protective cover assembly is located between the two floor main bodies.

Further, the floor main body includes: a stringer; the longitudinal beams and the edge beams extend along the length direction of the floor assembly and are arranged at intervals; the length direction of the small cross beams is perpendicular to the length direction of the floor assembly, and the small cross beams are sequentially arranged at intervals along the length direction of the floor assembly.

Further, along the length direction of the floor assembly, the floor assembly is divided into a transition section and a bearing section, the transition section is close to the transition plate assembly than the bearing section, the small cross beam is arranged on the bearing section, the floor main body further comprises an end plate, the end plate is arranged on the transition section, and two sides of the end plate are respectively connected with the longitudinal beam and the side beam.

Further, the floor main body also comprises a large cross beam, and the length direction of the large cross beam is perpendicular to the length direction of the floor assembly and is positioned between the transition section and the bearing section.

Further, the floor subassembly is still including the crossbeam between, and the crossbeam is located the changeover portion between, and sets up between two floor main bodies that set up in groups, and the crossbeam includes between: an upper plate; the upper plate and the lower plate are respectively connected with the top and the bottom of the floor main body; the upper end and the lower end of the vertical plate are respectively connected with the upper plate and the lower plate, and the two sides of the vertical plate are respectively connected with the two floor main bodies which are arranged in pairs.

Further, the floor panel assembly further comprises: the cover plate is positioned at the transition section and is connected with the side walls, close to each other, of the two floor main bodies arranged in a group; and the limiting plate is positioned at the bearing section and connected with the small cross beam so as to control the position of the piece to be sent entering the containing area.

Further, the floor panel assembly further comprises: the safety plate is connected with the floor main body and is positioned at one end of the floor main body close to the cab apron assembly; the connecting plate is positioned between the two floor main bodies which are arranged in groups and connected with the floor main bodies, and the connecting plate is positioned at one end, close to the cab apron assembly, of the floor main body.

Further, the clamp frame assembly comprises: the pincer-shaped frame support is connected with the floor assembly; the ground support is connected with the bottom of the pincer-shaped frame support and contacts the ground when the pincer-shaped frame assembly is placed on the ground; the vertical support is connected with the pincer-shaped frame support and extends along the length direction of the floor assembly, and the vertical support is connected with the first end beam assembly; the bent plate is connected with the pincer-shaped frame support and is provided with a groove matched with the first end beam assembly; the lifting frame is movably connected with the pincerlike frame in a supporting mode and can abut against the ground to lift the pincerlike frame assembly.

Further, the cab apron assembly includes: the fixing plate is connected with the pincer-shaped frame component; the turnover plate is rotatably connected with the fixed plate through the connecting rotating plate, and one end, far away from the fixed plate, of the turnover plate can be turned downwards to form a conveying inclined plane for conveying the workpiece to be conveyed.

Further, the sidewall assembly includes: an upper beam; a lower beam; the side columns are connected with the upper beam and the lower beam, are obliquely arranged relative to the upper beam and/or the lower beam and form an included angle with the upper beam and/or the lower beam; one end of the upper beam close to the pincerlike frame assembly inclines towards the direction close to the lower beam and forms an upper inclined section, and the upper cover plate covers the upper inclined section; the lower cover plate, the one end of the underbeam of keeping away from the upper cover plate inclines and forms the lower slope section to the direction that is close to the underbeam, and the apron lid is established at lower slope section department down.

Further, the floor shield assembly comprises: a bottom closing plate; the bottom guard plate, the bottom guard plate is connected with the bottom of floor subassembly, and the both sides of bottom guard plate are provided with the bottom shrouding to the bottom guard plate has the protection inclined plane along the length direction slope of floor subassembly.

Further, the second end beam assembly includes: a support plate; a first cross member; a second cross member; the first cross beam, the second cross beam and the third cross beam are connected with the supporting plate and are sequentially connected along the width direction of the floor assembly; and the baffle is connected with the side edge of the supporting plate and extends upwards to control the movement range of the piece to be sent.

Further, the protection casing subassembly includes a plurality of guard plates, and the guard plate is located between two floor main parts that set up in groups, and all guard plates set up in groups, and each guard plate of organizing connects gradually, and each length direction along the floor subassembly sets up at intervals in proper order between organizing the guard plate, and is provided with the crossbeam between at least two sets of guard plates.

Further, the reinforcement beam assembly includes: the bottom plate is positioned below the upper cover plate and is connected with the side wall assembly; the support plates are vertically arranged and connected with the bottom plate and the upper cover plate; the sealing plate is vertically arranged between the support plates and is connected with the bottom plate and the upper cover plate, and the plane where the support plates and the sealing plate are located is vertical to the length direction of the floor assembly; the baffle, the baffle is put and is connected with bottom plate and upper cover plate vertically to along the length direction of floor subassembly, baffle and extension board interval set up.

Further, the reinforcing beam assembly further comprises: the supporting beam is connected with the bottom surface of the upper cover plate; and the rib plates are positioned on two sides of the supporting beam and are connected with the supporting beam and the upper cover plate.

Further, the side bearing assembly includes: the side plates are vertically arranged and are respectively connected with the side wall components; at least one part of the side plate is connected with the side wall assembly through the connecting beam; the seat board is connected with the bottom of the side board; the wearing plate is connected with the bottom of the seat plate; the adjusting base plate is arranged between the seat plate and the abrasion plate; the shielding plate is arranged between the two side plates and connected with the side plates, and the plane where the shielding plate is located is perpendicular to the plane where the side plates are located.

Further, the concave underframe structure also comprises a locking assembly, and the locking assembly is connected with the side wall assembly so as to lock the piece to be sent on the concave underframe structure.

Further, the recessed chassis structure further includes: a rotating assembly for mounting the receiving member, the rotating assembly being connected to the bottom of the floor assembly and being rotatable with respect to the floor assembly; the anticreep subassembly is provided with the anticreep subassembly between rotating assembly and the floor subassembly.

According to another aspect of the invention, a piggyback transport vehicle is provided, which comprises the above-mentioned depressed underframe structure.

By applying the technical scheme of the invention, through the mutual cooperation of the components, the novel structure of the bearing welded vehicle body without the middle beam and the side wall structure is adopted, the key of the traditional structural design concept of the railway wagon and the design technology of the lightweight vehicle body is broken through, the structural style of the concave underframe is optimized, the load transmission path and the stress state of the vehicle body of the concave underframe structure are improved, the integral bearing capacity of the concave underframe structure and the longitudinal bearing capacity of the vehicle body are adapted to bearing the whole vehicle and a semitrailer on a road, and the use requirement of container transportation is taken into consideration, so that the.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows a front view of a recessed chassis structure of the present invention;

FIG. 2 shows a top view of the recessed chassis structure of FIG. 1;

FIG. 3 shows a side view of the recessed chassis structure of FIG. 1;

FIG. 4 shows a cross-sectional view of FIG. 1;

FIG. 5 shows a schematic structural view of a floor assembly of the recessed base structure of FIG. 1;

FIG. 6 shows a front view of FIG. 5;

FIG. 7 shows a schematic structural view of the cross member of the recessed base structure of FIG. 1;

FIG. 8 shows a top view of FIG. 7;

FIG. 9 shows a side view of FIG. 7;

FIG. 10 shows a schematic view of the construction of the pincer-shaped shelf assembly of the recessed chassis structure of FIG. 1;

FIG. 11 shows a top view of FIG. 10;

FIG. 12 shows a side view of FIG. 10;

FIG. 13 illustrates a schematic structural view of a cab apron assembly of the recessed chassis structure of FIG. 1;

FIG. 14 shows a top view of FIG. 13;

FIG. 15 is a schematic view showing the construction of the connecting flap of FIG. 13;

FIG. 16 is a schematic diagram of a sidewall assembly of the recessed base structure of FIG. 1;

FIG. 17 shows a schematic structural view of a floor shield assembly of the recessed base structure of FIG. 1;

FIG. 18 shows a side cross-sectional view of FIG. 17;

FIG. 19 shows a schematic structural view of a second end beam assembly of the recessed chassis structure of FIG. 1;

FIG. 20 shows a top view of FIG. 19;

FIG. 21 shows a side view of a portion of the structure of FIG. 19;

FIG. 22 shows a schematic structural view of a shield assembly of the recessed chassis structure of FIG. 1;

FIG. 23 shows a schematic structural view of a reinforcement beam assembly of the recessed chassis structure of FIG. 1;

FIG. 24 shows a top view of FIG. 23;

FIG. 25 shows a side view of FIG. 23;

FIG. 26 shows a cross-sectional view taken along line A-A of FIG. 24;

FIG. 27 is a schematic diagram of the construction of a side bearing assembly of the recessed chassis configuration of FIG. 1; and

fig. 28 shows a side view of fig. 27.

Wherein the figures include the following reference numerals:

10. a floor assembly; 11. a floor main body; 111. a stringer; 112. a boundary beam; 113. a small cross beam; 114. an end plate; 115. a large cross beam; 12. a transition section; 13. a receiving section; 14. a middle cross beam; 141. an upper plate; 142. a lower plate; 143. a vertical plate; 15. a cover plate; 16. a limiting plate; 17. a security pane; 18. a connecting plate; 19. a guard plate; 20. a pincer frame assembly; 21. supporting by a pincer-shaped frame; 22. supporting on the ground; 23. vertically supporting; 24. bending a plate; 25. a lifting frame; 30. a cab apron assembly; 31. a fixing plate; 32. turning over a plate; 33. connecting the rotating plate; 40. a sidewall assembly; 41. an upper beam; 42. a lower beam; 43. a side post; 44. an upper cover plate; 45. a lower cover plate; 50. a first end beam assembly; 60. a floor guard assembly; 61. a bottom closing plate; 62. a bottom guard plate; 70. a second end beam assembly; 71. a support plate; 72. a first cross member; 73. a second cross member; 74. a third cross member; 75. a baffle plate; 80. a protective cover assembly; 81. a protection plate; 90. a reinforcing beam assembly; 91. a base plate; 92. a support plate; 93. closing the plate; 94. a partition plate; 95. a support beam; 96. a rib plate; 100. a side bearing assembly; 101. a side plate; 102. a connecting beam; 103. a seat plate; 104. a wear plate; 105. adjusting the base plate; 106. a shielding plate; 110. a locking assembly; 120. a rotating assembly; 130. anticreep subassembly.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that, unless otherwise indicated, 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.

In the present invention, unless specified to the contrary, use of the terms of orientation such as "upper, lower, top, bottom" or the like, generally refer to the orientation as shown in the drawings, or to the component itself in a vertical, perpendicular, or gravitational orientation; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

The invention provides a concave underframe structure and a piggyback transport vehicle, aiming at solving the problem of poor bearing capacity of a concave underframe in the prior art. The piggyback transport vehicle has the following concave underframe structure.

A recessed underframe structure as shown in fig. 1 to 4, comprising a floor assembly 10 for bearing a piece to be conveyed, a pincer-shaped frame assembly 20, a ferry plate assembly 30, at least two side wall assemblies 40, a first end beam assembly 50, a floor guard assembly 60, a second end beam assembly 70, a shield assembly 80, a reinforcing beam assembly 90 and a side bearing assembly 100 for cooperating with external equipment, wherein the pincer-shaped frame assembly 20 is connected with one end of the floor assembly 10; the ferry plate assembly 30 is connected with the pincer-shaped frame assembly 20, at least one part of the ferry plate assembly 30 can move relative to the floor assembly 10 and can form a conveying inclined plane for conveying the to-be-conveyed piece; the bottom of the side wall assembly 40 is connected with the floor assembly 10, and defines an accommodating area for accommodating the piece to be sent together with the floor assembly 10, and one end of the side wall assembly 40 is connected with the pincer-shaped frame assembly 20; the first end beam assembly 50 is positioned at one end of the floor assembly 10 and is connected with the floor assembly 10 and the side wall assembly 40 through the pincer-shaped frame assembly 20; the floor guard assembly 60 is disposed at the outer bottom of the floor assembly 10 and supports the floor assembly 10 when the recessed substructure is in contact with the ground; the second end beam assembly 70 is connected to the floor assembly 10 and is located at an end of the floor assembly 10 away from the clamp frame assembly 20; the protective cover assembly 80 is embedded on the floor assembly 10, and the extending direction of the protective cover assembly 80 is the same as the extending direction of the floor assembly 10; the reinforcing beam assembly 90 is connected with the side wall assembly 40 and is positioned at one end of the side wall assembly 40 far away from the pincer-shaped frame assembly 20; side bearing assemblies 100 are connected to side wall assemblies 40 and are located at the ends of side wall assemblies 40 that are distal from clamp frame assembly 20.

This embodiment is through mutually supporting between each above-mentioned subassembly, adopt and do not have the centre sill, the side wall structure bears the weight of the welding automobile body new construction, break through railway freight car traditional structural design theory and lightweight automobile body design technical key, concave underframe structural style has been optimized, the load transfer path and the automobile body stress state of improving concave underframe structure, improve the vertical bearing capacity of the whole bearing capacity of concave underframe structure and automobile body, in order to adapt to the whole car of bearing highway, the semitrailer, compromise the operation requirement of container transportation simultaneously, thereby the multi-functional, the technological problem that the commonality is strong of this project has been solved.

In the present embodiment, the to-be-delivered article is taken as an example of a vehicle, and accordingly, the tire carried on the concave underframe structure is a tire of the vehicle. Of course, the recessed chassis structure of the present embodiment can not only carry vehicles, but also carry devices such as containers.

As shown in fig. 5 and 6, the floor assembly 10 includes two floor main bodies 11 arranged in a group, the floor main bodies 11 have a long length, the two floor main bodies 11 arranged in a group are arranged in parallel at intervals, and the protective cover assembly 80 is located between the two floor main bodies 11, when a vehicle enters into the concave underframe structure, tires on both sides of the vehicle can be respectively borne on the two floor main bodies 11, so as to ensure reliable bearing of the vehicle, and the protective cover assembly 80 can protect the bottom of the vehicle, and simultaneously facilitate maintenance of the automatic piping system.

In the present embodiment, the floor main body 11 includes a longitudinal beam 111, an edge beam 112 and a plurality of small cross beams 113, the longitudinal beam 111 and the edge beam 112 extend along the length direction of the floor assembly 10, and are disposed at intervals therebetween; the length direction of the small cross beam 113 is perpendicular to the length direction of the floor assembly 10, the small cross beam 113 is spanned at the interval between the longitudinal beam 111 and the edge beam 112, and a plurality of small cross beams 113 are sequentially arranged at intervals along the length direction of the floor assembly 10. The above arrangement mode can greatly improve the structural strength of the floor main body 11, improve the bearing capacity of the floor main body 11 and improve the stress condition of the floor main body 11.

The floor assembly 10 of the present embodiment is divided into a transition section 12 and a receiving section 13 along the length direction thereof, the transition section 12 is closer to the transition plate assembly 30 than the receiving section 13, the longitudinal beams 111 and the edge beams 112 extend to the whole transition section 12 and the receiving section 13, the small cross beams 113 are only disposed on the receiving section 13, the floor main body 11 further includes end plates 114, the end plates 114 are disposed on the transition section 12, and both sides of the end plates 114 are respectively connected with the longitudinal beams 111 and the edge beams 112. The main difference between the transition section 12 and the receiving section 13 is that the transition section 12 is mainly used for allowing a tire to pass through, and does not play a main supporting role, the receiving section 13 plays a main supporting role, when a vehicle is stably stopped on a concave underframe structure, the tire is located in the receiving section 13, and the transition section 12 does not need a structure with higher bearing capacity like the receiving section 13 just because the functions of the transition section 12 and the receiving section 13 are different, so that the transition section 12 directly uses the end plate 114 to connect the longitudinal beam 111 and the side beam 112 into a whole. Of course, the transition section 12 can be configured in the same manner as the receiving section 13, if desired.

In this embodiment, the floor main body 11 further includes a large cross member 115, and a length direction of the large cross member 115 is perpendicular to a length direction of the floor assembly 10 and is located between the transition section 12 and the receiving section 13. The large cross member 115 can reinforce the connection strength between the transition section 12 and the receiving section 13 to ensure the overall load-bearing capacity and structural strength of the floor panel assembly 10.

As shown in fig. 1, the floor panel assembly 10 further includes an intermediate cross member 14, and the intermediate cross member 14 is located at the transition section 12 and disposed between the two floor main bodies 11 arranged in a group, thereby laterally supporting the floor main bodies 11.

Specifically, as shown in fig. 7 to 9, the intermediate cross member 14 includes an upper plate 141, a lower plate 142, and a vertical plate 143, the upper plate 141 and the lower plate 142 being connected to the top and bottom of the floor main body 11, respectively; the upper end and the lower end of the vertical plate 143 are respectively connected to the upper plate 141 and the lower plate 142, and both sides of the vertical plate 143 are respectively connected to two floor main bodies 11 disposed in pairs. The upper plate 141, the lower plate 142 and the vertical plate 143 enclose a rectangular structure, thereby providing lateral supporting force to the two floor main bodies 11.

As shown in fig. 5, the floor assembly 10 further includes a cover plate 15, a guard plate 19 and a limit plate 16, wherein the cover plate 15 is located at the transition section 12 and is connected with the side walls of the two floor main bodies 11 arranged in a group, which are close to each other; a protector plate 19 is provided at the bottom of the cover plate 15 to protect the cover plate 15; the limit plate 16 is located at the receiving section 13 and connected with the small beam 113 to control the position of the piece to be sent entering the containing area.

In this embodiment, the floor assembly 10 further includes at least one safety plate 17 and a connecting plate 18, the safety plate 17 is connected to the floor main body 11 and is located at one end of the floor main body 11 close to the cab apron assembly 30, and the safety plate 17 can protect the floor assembly 10 to a certain extent; the connecting plate 18 is located between two floor main bodies 11 arranged in a group and connected with the floor main bodies 11, the connecting plate 18 is located at one end of each floor main body 11 close to the cab apron assembly 30, and the connecting plate 18 is arranged to facilitate the floor assembly 10 to be connected and matched with other assemblies.

As shown in fig. 10 to 12, the pincer frame assembly 20 comprises a pincer frame support 21, a ground support 22, a vertical support 23, a bent plate 24 and a lifting frame 25, wherein the pincer frame support 21 is in a concave shape, and the bottom of the concave shape is connected with the floor assembly 10; the ground support 22 is connected with the outer bottom of the pincer-shaped frame support 21, and when the pincer-shaped frame assembly 20 is placed on the ground, the ground support 22 is in contact with the ground, so that the pincer-shaped frame assembly 20 is supported; the vertical support 23 is connected with the pincer-shaped frame support 21 and extends along the length direction of the floor assembly 10, the vertical support 23 is connected with the first end beam assembly 50, and the vertical support 23 can play a certain transverse supporting role on the pincer-shaped frame assembly 20 on one hand and can be matched with the first end beam assembly 50 on the other hand so as to be connected conveniently; the bent plate 24 is connected with the pincer-shaped frame support 21 and is provided with a groove matched with the first end beam assembly 50, and the bent plate 24 mainly plays a role of connecting the first end beam assembly 50 and is reliably connected with the first end beam assembly 50 through the groove on the bent plate 24; the lifting frames 25 are arranged on two sides of the pincer-shaped frame support 21 and are in telescopic connection with the pincer-shaped frame support 21, and the lifting frames 25 can abut against the ground and support the whole pincer-shaped frame assembly 20 to move upwards so as to lift the pincer-shaped frame assembly 20.

As shown in fig. 13 to 15, the ferry plate assembly 30 includes a fixing plate 31 and a turning plate 32, wherein the fixing plate 31 is fixedly connected with the pincer-shaped frame assembly 20; the turning plate 32 is rotatably connected with the fixed plate 31 through a connecting rotating plate 33, one end of the turning plate 32 far away from the fixed plate 31 can be turned downwards, and a conveying inclined plane for conveying the to-be-conveyed piece is formed, so that the vehicle can be conveniently conveyed into the concave underframe structure.

As shown in fig. 16, the sidewall assembly 40 includes an upper beam 41, a lower beam 42, side pillars 43, an upper cover plate 44, and a lower cover plate 45, where the side pillars 43 are connected to the upper beam 41 and the lower beam 42, and the side pillars 43 are disposed obliquely with respect to the upper beam 41 and/or the lower beam 42 and form an included angle with the upper beam 41 and/or the lower beam 42, and the obliquely disposed side pillars 43 can form a triangular or trapezoidal structure with the upper beam 41 and the lower beam 42, which is beneficial to improving the structural strength of the sidewall assembly 40; one end of the upper beam 41 close to the pincer-shaped frame assembly 20 inclines towards the direction close to the lower beam 42 and forms an upper inclined section, and an upper cover plate 44 covers the upper inclined section; one end of the lower beam 42 away from the upper cover 44 is inclined toward the upper beam 41 and forms a lower inclined section, and the lower cover 45 covers the lower inclined section.

As shown in fig. 17 and 18, the floor shield assembly 60 includes a bottom closing plate 61 and a bottom shielding plate 62, the bottom shielding plate 62 is connected to the outer bottom of the floor assembly 10, the bottom closing plate 61 is provided at both sides of the bottom shielding plate 62, and the bottom surface of the bottom shielding plate 62 has a shielding slope inclined in the length direction of the floor assembly 10. When the recessed base structure is placed on the ground, the floor assembly 10 does not directly contact the ground, and the bottom guard plate 62 directly contacts the ground, thereby providing some support and protection to the floor assembly 10. The inclined guard ramp facilitates improved support and protection of the floor guard assembly 60 and improves the life of the bottom guard plate 62.

As shown in fig. 19 to 21, the second end beam assembly 70 includes a support plate 71, a first cross beam 72, a second cross beam 73, a third cross beam 74 and a baffle plate 75, the first cross beam 72, the second cross beam 73 and the third cross beam 74 are all connected with the support plate 71, and the first cross beam 72, the second cross beam 73 and the third cross beam 74 are sequentially connected along the width direction of the floor assembly 10; the baffle 75 is connected to a side of the support plate 71 and extends upward to control the range of motion of the workpiece to be fed. The first end beam assembly 50 and the second end beam assembly 70 serve as end assemblies of the floor assembly 10, further enhance the structural strength of the floor assembly 10, and facilitate the connection of the floor assembly 10 with other assemblies, thereby optimizing the structure of the concave bottom frame.

As shown in fig. 22, the protective cover assembly 80 includes a plurality of protective plates 81, the protective plates 81 are located between two floor main bodies 11 arranged in groups, all the protective plates 81 are arranged in groups, the protective plates 81 in each group are sequentially connected, the protective plates 81 in each group are sequentially arranged along the length direction of the floor assembly 10 at intervals, and an intermediate cross beam 14 is arranged between at least two groups of protective plates 81. The specific shape of each protection plate 81 can be set up according to specific conditions, and the protection cover assembly 80 of this embodiment is formed by welding four protection plates 81 of different shapes, can dismantle between protection plate 81 and floor main body 11 and the beam 14 and be connected to in order to overhaul automatic piping device.

As shown in fig. 23 to 25, the reinforcing beam assembly 90 is integrally disposed at the upper cover plate 44 of the side wall assembly 40, the reinforcing beam assembly 90 includes a bottom plate 91, at least two support plates 92, a sealing plate 93 and a partition 94, the bottom plate 91 is disposed below the upper cover plate 44 and spaced from the upper cover plate 44, and two sides of the bottom plate 91 are connected to the side wall assembly 40; the support plate 92 is vertically arranged and connected with the bottom plate 91 and the upper cover plate 44 to be used as a support between the upper cover plate 44 and the bottom plate 91, so that the structural strength of the upper cover plate and the bottom plate 91 is enhanced; the sealing plate 93 is vertically arranged between the support plates 92 and connected with the bottom plate 91 and the upper cover plate 44, the plane where the support plates 92 and the sealing plate 93 are located is perpendicular to the length direction of the floor assembly 10, two support plates 92 are arranged on the same vertical plane in the embodiment, the sealing plate 93 is arranged between the two support plates 92, and the two support plates 92 and the sealing plate 93 are on the same vertical plane; the partition 94 is vertically disposed and connected to the bottom plate 91 and the upper cover plate 44, and the partition 94 is spaced from the support plate 92 along the length direction of the floor panel assembly 10, and the partition 94 can also provide support between the upper cover plate 44 and the bottom plate 91, thereby further improving the structural strength between the upper cover plate 44 and the bottom plate 91. The stiffening beam assembly 90 improves the overall strength and load bearing capacity of the recessed chassis structure while facilitating end bearing and articulation.

Optionally, as shown in fig. 24 and 26, the stiffening beam assembly 90 further comprises a support beam 95 and at least two ribs 96, the support beam 95 being connected to the bottom surface of the upper deck 44; ribs 96 are located on either side of the support beam 95 and are connected to both the support beam 95 and the upper deck 44. Two sets of via holes have been seted up on upper cover plate 44 to this embodiment, and two sets of via holes are located the both sides of upper cover plate 44 axis respectively, and every group includes two via holes, and two via hole intervals of every group set up to form the trabecula between two via holes, supporting beam 95 sets up the bottom surface at this trabecula promptly, and supporting beam 95 both sides are connected with gusset 96, and the upper end of gusset 96 is connected with the bottom surface of trabecula, thereby improves upper cover plate 44's structural strength.

As shown in fig. 27 and 28, the side bearing assembly 100 comprises at least two side plates 101, a connecting beam 102, a seat plate 103, a wear plate 104, a trim pad 105 and a shielding plate 106, wherein the side plates 101 are vertically arranged and respectively connected with the side wall assemblies 40; at least a part of the side plate 101 is connected with the side wall assembly 40 through a connecting beam 102; the seat plate 103 is connected with the bottom of the side plate 101; the wear plate 104 is connected with the bottom of the seat plate 103, and the wear plate 104 is worn in preference to the seat plate 103 so as to protect the seat plate 103 and prolong the service life of the seat plate 103; the adjusting shim plate 105 is arranged between the seat plate 103 and the wear plate 104 to avoid direct contact between the wear plate 104 and the seat plate 103 and reduce the wear on the seat plate 103; the shielding plate 106 is arranged between the two side plates 101 and connected with the side plates 101, and the plane of the shielding plate 106 is perpendicular to the plane of the side plates 101. Side bearing assembly 100 acts as an end of the recessed chassis structure, which facilitates the mating of the recessed chassis structure with an external device while ensuring the lateral support stability of the recessed chassis structure.

As shown in fig. 2, the recessed chassis structure of the present embodiment further includes a locking assembly 110, and the locking assembly 110 is connected to the upper portion of the side wall assembly 40 to lock the member to be conveyed on the recessed chassis structure. The locking assembly 110 is designed mainly for the container, and when the container is hoisted into the concave underframe structure, the container is locked on the concave underframe structure through the locking assembly 110 to ensure the stability of the container. Locking subassembly 110 adopts E level steel casting to form to in order to avoid locking subassembly 110 and wait to send and take place to interfere between the piece, locking subassembly 110 can overturn for side wall subassembly 40, and it accomodates to overturn locking subassembly 110 downwards when not using, upwards turn out when needing to use can.

As shown in fig. 1, the recessed chassis structure further includes a rotation assembly 120 and an anti-slip assembly 130 for mounting a receiving member, the rotation assembly 120 is connected to the bottom of the floor assembly 10 and can rotate relative to the floor assembly 10, and the rotation assembly 120 can be mounted with a receiving member such as a rotation box for storage; an anti-falling component 130 is arranged between the rotating component 120 and the floor component 10, and the anti-falling component 130 can prevent the rotating component 120 from falling off accidentally, so that the reliability of connection of the rotating component 120 is ensured.

Through practical tests, the piggyback transport vehicle adopting the concave underframe structure can transport the whole road truck which meets the GB1589 requirement and has the length of no more than 181000mm, the width of no more than 2550mm and the height of no more than 4000mm and the road semi-trailer which has the width of no more than 14600mm, the width of no more than 2550mm and the height of no more than 4000 mm. It is also suitable for shipping outside dimensions that conform to ISO 668: 95 series 1 containers-two 20ft containers or one 40ft container or one 45ft container or one 48ft container as specified by classification, size and weight rating.

It should be noted that, a plurality in the above embodiments means at least two.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

1. the problem of poor bearing capacity of the concave underframe in the prior art is solved;

2. the structural style of the concave underframe structure is optimized, and the load transfer path and the stress state of the car body of the concave underframe structure are improved;

3. the integral bearing capacity of the concave underframe structure and the longitudinal bearing capacity of the vehicle body are improved so as to adapt to bearing of the whole road vehicle and the semitrailer;

4. the use requirements of container transportation are considered, so that the technical problems of multifunction and strong universality of the project are solved.

It is to be understood that the above-described embodiments are only a few, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 recessed chassis structure, comprising:

a floor assembly (10) for carrying the item to be delivered;

a clamp frame assembly (20), the clamp frame assembly (20) being connected to one end of the floor assembly (10);

a ferry plate assembly (30), wherein the ferry plate assembly (30) is connected with the pincer-shaped frame assembly (20), at least one part of the ferry plate assembly (30) can move relative to the floor assembly (10), and a conveying inclined plane for conveying the to-be-conveyed piece can be formed;

the bottom of each side wall assembly (40) is connected with the floor assembly (10), an accommodating area for accommodating the piece to be sent is defined by the bottom of each side wall assembly (40) and the floor assembly (10), and one end of each side wall assembly (40) is connected with the corresponding pincerlike frame assembly (20);

the first end beam assembly (50) is positioned at one end of the floor assembly (10), and is connected with the floor assembly (10) and the side wall assembly (40) through the pincer-shaped frame assembly (20);

a floor shield assembly (60), said floor shield assembly (60) being disposed at an outer bottom portion of said floor assembly (10) and supporting said floor assembly (10) when said recessed chassis structure is in contact with the ground;

a second end beam assembly (70), wherein the second end beam assembly (70) is connected with the floor assembly (10) and is positioned at one end of the floor assembly (10) far away from the pincer-shaped frame assembly (20);

the protective cover assembly (80) is embedded on the floor assembly (10), and the extending direction of the protective cover assembly (80) is the same as that of the floor assembly (10);

the reinforcing beam assembly (90) is connected with the side wall assembly (40) and is positioned at one end, far away from the pincer-shaped frame assembly (20), of the side wall assembly (40);

the side bearing assembly (100) is used for being matched with external equipment, the side bearing assembly (100) is connected with the side wall assembly (40) and is positioned at one end, far away from the pincerlike frame assembly (20), of the side wall assembly (40).

2. A recessed substructure construction according to claim 1, characterized in that said floor assembly (10) comprises at least two floor bodies (11) arranged in groups, said items to be transported being able to be carried on said floor bodies (11), and that said two floor bodies (11) arranged in groups are arranged side by side in spaced apart relationship, and that said protective cover assembly (80) is located between said two floor bodies (11).

3. A recessed substructure construction according to claim 2, characterized in that the floor main body (11) comprises:

a longitudinal beam (111);

the longitudinal beams (111) and the side beams (112) extend along the length direction of the floor assembly (10) and are arranged at intervals;

the floor assembly comprises a plurality of small cross beams (113), the length direction of the small cross beams (113) is perpendicular to the length direction of the floor assembly (10), and the small cross beams (113) are sequentially arranged at intervals along the length direction of the floor assembly (10).

4. The recessed underframe structure of claim 3, wherein the floor assembly (10) is divided into a transition section (12) and a bearing section (13) along the length direction of the floor assembly (10), the transition section (12) is closer to the transition plate assembly (30) than the bearing section (13), the small cross beam (113) is arranged on the bearing section (13), the floor main body (11) further comprises an end plate (114), the end plate (114) is arranged on the transition section (12), and two sides of the end plate (114) are respectively connected with the longitudinal beam (111) and the side beam (112).

5. The recessed substructure structure of claim 4, characterized in that said floor main body (11) further comprises a large cross beam (115), the length direction of said large cross beam (115) being perpendicular to the length direction of said floor assembly (10) and being located between said transition section (12) and said receiving section (13).

6. A recessed substructure construction according to claim 4, characterized in that said floor assembly (10) further comprises an intermediate cross beam (14), said intermediate cross beam (14) being located at said transition section (12) and being arranged between two of said floor bodies (11) arranged in a group, said intermediate cross beam (14) comprising:

an upper plate (141);

a lower plate (142), the upper plate (141) and the lower plate (142) being connected to the top and bottom of the floor main body (11), respectively;

the upper end and the lower end of the vertical plate (143) are respectively connected with the upper plate (141) and the lower plate (142), and two sides of the vertical plate (143) are respectively connected with the two floor main bodies (11) which are arranged in pairs.

7. A recessed substructure construction according to claim 4, characterized in that the floor assembly (10) further comprises:

the cover plate (15) is positioned at the transition section (12) and is connected with the side walls, close to each other, of the two floor main bodies (11) arranged in a group;

the limiting plate (16) is located on the bearing section (13) and connected with the small cross beam (113) to control the position of the piece to be sent entering the containing area.

8. A recessed chassis structure according to claim 2, wherein the floor assembly (10) further comprises:

at least one safety plate (17), wherein the safety plate (17) is connected with the floor main body (11) and is positioned at one end of the floor main body (11) close to the ferry plate assembly (30);

the connecting plate (18) is located between the two floor main bodies (11) arranged in a group and connected with the floor main bodies (11), and the connecting plate (18) is located at one end, close to the cab apron assembly (30), of the floor main bodies (11).

9. A recessed chassis structure according to claim 1, characterized in that said pincer-shaped frame assembly (20) comprises:

a pincer support (21), the pincer support (21) being connected to the floor assembly (10);

a ground support (22), wherein the ground support (22) is connected with the bottom of the pincer-shaped frame support (21) and contacts the ground when the pincer-shaped frame assembly (20) is placed on the ground;

a vertical support (23), wherein the vertical support (23) is connected with the pincer-shaped frame support (21) and extends along the length direction of the floor assembly (10), and the vertical support (23) is connected with the first end beam assembly (50);

a bent plate (24), said bent plate (24) being connected to said pincer-like frame support (21) and having a recess for mating with said first end beam assembly (50);

the lifting frame (25) is movably connected with the pincerlike frame support (21) and can abut against the ground to lift the pincerlike frame assembly (20).

10. The recessed chassis structure of claim 1, wherein the ferry plate assembly (30) comprises:

a fixing plate (31), wherein the fixing plate (31) is connected with the pincer-shaped frame assembly (20);

the turnover plate (32) is rotatably connected with the fixed plate (31) through a connecting rotating plate (33), and one end, far away from the fixed plate (31), of the turnover plate (32) can be turned downwards to form a conveying inclined plane for conveying the to-be-conveyed piece.

11. The recessed chassis structure of claim 1, wherein the sidewall assembly (40) comprises:

an upper beam (41);

a lower beam (42);

the side columns (43) are connected with the upper beam (41) and the lower beam (42), and the side columns (43) are obliquely arranged relative to the upper beam (41) and/or the lower beam (42) and form an included angle with the upper beam (41) and/or the lower beam (42);

the end, close to the pincer-shaped frame assembly (20), of the upper beam (41) inclines towards the direction close to the lower beam (42) and forms an upper inclined section, and the upper cover plate (44) covers the upper inclined section;

and one end of the lower beam (42) far away from the upper cover plate (44) inclines towards the direction close to the upper beam (41) and forms a lower inclined section, and the lower cover plate (45) is covered at the lower inclined section.

12. A recessed substructure construction according to claim 1, characterized in that said floor guard assembly (60) comprises:

a bottom closure plate (61);

a bottom shield plate (62), the bottom shield plate (62) with the bottom of floor subassembly (10) is connected, the both sides of bottom shield plate (62) are provided with bottom shrouding (61), and bottom shield plate (62) have along the length direction slope's of floor subassembly (10) protection inclined plane.

13. The recessed chassis structure of claim 1, wherein the second end beam assembly (70) includes:

a support plate (71);

a first cross member (72);

a second cross member (73);

a third cross beam (74), wherein the first cross beam (72), the second cross beam (73) and the third cross beam (74) are all connected with the support plate (71), and the first cross beam (72), the second cross beam (73) and the third cross beam (74) are sequentially connected along the width direction of the floor assembly (10);

the baffle (75) is connected with the side edge of the supporting plate (71) and extends upwards to control the movement range of the piece to be sent.

14. The recessed underframe structure of claim 6, wherein the protective cover assembly (80) comprises a plurality of protective plates (81), the protective plates (81) are located between two floor main bodies (11) arranged in groups, all the protective plates (81) are arranged in groups, the protective plates (81) in each group are sequentially connected, the protective plates (81) in each group are sequentially arranged at intervals along the length direction of the floor assembly (10), and the cross beams (14) are arranged between at least two groups of the protective plates (81).

15. A recessed chassis structure according to claim 11, wherein the stiffening beam assembly (90) comprises:

the bottom plate (91) is positioned below the upper cover plate (44) and connected with the side wall assembly (40);

at least two support plates (92), wherein the support plates (92) are vertically arranged and connected with the bottom plate (91) and the upper cover plate (44);

the sealing plates (93) are vertically arranged between the support plates (92) and connected with the bottom plate (91) and the upper cover plate (44), and the plane of the support plates (92) and the sealing plates (93) is vertical to the length direction of the floor assembly (10);

a partition (94), the partition (94) being vertically disposed and connected to the bottom plate (91) and the upper cover plate (44), and the partition (94) being spaced apart from the strip (92) along a length of the floor assembly (10).

16. The recessed chassis structure of claim 15, wherein the stiffening beam assembly (90) further comprises:

a support beam (95), wherein the support beam (95) is connected with the bottom surface of the upper cover plate (44);

the rib plates (96) are positioned on two sides of the support beam (95) and connected with the support beam (95) and the upper cover plate (44).

17. A recessed chassis structure according to claim 1, characterized in that said side bearing assembly (100) comprises:

the side plates (101) are vertically arranged and are respectively connected with the side wall assemblies (40);

a connecting beam (102), at least a part of the side plate (101) is connected with the side wall assembly (40) through the connecting beam (102);

the seat plate (103), the seat plate (103) is connected with the bottom of the side plate (101);

a wear plate (104), the wear plate (104) being connected to the bottom of the seat plate (103);

a trim pad (105), the trim pad (105) disposed between the seat plate (103) and the wear plate (104);

the shielding plate (106) is arranged between the two side plates (101) and connected with the side plates (101), and the plane of the shielding plate (106) is perpendicular to the plane of the side plates (101).

18. The recessed chassis structure of claim 1, further comprising a locking assembly (110), wherein the locking assembly (110) is connected to the sidewall assembly (40) to lock the item to be transported to the recessed chassis structure.

19. The female chassis structure of claim 1, further comprising:

a rotating assembly (120) for mounting a receiving member, the rotating assembly (120) being connected to the bottom of the floor assembly (10) and being rotatable with respect to the floor assembly (10);

the anti-falling component (130) is arranged between the rotating component (120) and the floor component (10).

20. A piggyback transport vehicle comprising the depressed chassis structure of any one of claims 1 to 19.