Novel freight floor mounting structure

Abstract

The embodiment of the invention provides a novel freight floor mounting structure which comprises a plurality of vehicle body mounting seats fixedly arranged on a vehicle body chassis; the bottom of the floor supporting module is located on the vehicle body mounting seat, and the top of the floor supporting module is detachably and fixedly connected with a floor; the bottom of the floor mounting module is located on the vehicle body mounting seat, the top of the floor mounting module is detachably and fixedly connected with a floor, and the bottom of the floor mounting module is detachably and fixedly connected with the vehicle body mounting seat. Through the arrangement of the installation interfaces, the floor and the vehicle body chassis are in a detachable fixed connection mode, modular arrangement can be carried out, the structure is simple, installation is convenient, the application range is wide, and meanwhile, the vehicle body is suitable for freight bale breaking and luggage vehicles without containers.

Description

Technical Field

[0001] The present application relates to the technical field of rail vehicles, and in particular to a novel freight floor mounting structure. Background Art

[0002] At present, my country's railway freight mainly relies on ordinary freight vehicles, which have a slow freight speed and cannot meet the transportation demand. The domestic railway express demand is increasing, but there are no special freight trains in operation in China. High-speed rail freight relies on passenger trains, and the number of goods carried, the size of goods, and the transportation routes are all restricted. Based on market demand, freight trains have broad market application prospects, and freight floors supporting freight trains have also emerged.

[0003] However, the freight floor structure of existing high-speed freight trains is complex, and welding or complex connections are often used between the floor and the vehicle body frame, making it impossible to modularize the floor, unable to adapt to different vehicle models, and having a small scope of application. Summary of the invention

[0004] The embodiment of the present application provides a novel freight floor installation structure to solve the problem that the existing freight floor and the vehicle body chassis are connected by welding or complex connection methods, resulting in the inability to modularize the floor. The second purpose of the present application is to provide a freight floor and a rail vehicle including the novel freight floor installation structure.

[0005] In order to achieve the above objectives, this application provides the following technical solutions:

[0006] A novel cargo floor installation structure, comprising:

[0007] A plurality of vehicle body mounting seats, used for being fixed on the vehicle body chassis;

[0008] A floor support module, the bottom of which is seated on the vehicle body mounting seat and the top of which is used for detachable fixed connection with the floor;

[0009] The floor mounting module has a bottom portion located on the vehicle body mounting seat, a top portion used for detachable fixed connection with the floor, and a bottom portion detachably fixed connection with the vehicle body mounting seat.

[0010] The present application also provides a freight floor, comprising:

[0011] The novel cargo floor installation structure as described in any one of the above embodiments;

[0012] A plurality of freight floor modules are arranged longitudinally, and any of the freight floor modules is provided with a plurality of floor support modules and a plurality of floor installation modules of the novel freight floor installation structure.

[0013] The present application also provides a rail vehicle, comprising a vehicle body underframe and the freight floor described in any one of the above embodiments; a vehicle body mounting seat is welded to the vehicle body underframe.

[0014] A novel freight floor mounting structure provided in an embodiment of the present application includes: a plurality of vehicle body mounting seats, which are used to be fixed on a vehicle body chassis; a floor support module, the bottom of which is located on the vehicle body mounting seats, and the top of which is used for a detachable fixed connection with the floor; a floor mounting module, the bottom of which is located on the vehicle body mounting seats, the top of which is used for a detachable fixed connection with the floor, and the bottom of which is detachably fixedly connected to the vehicle body mounting seats.

[0015] Compared with the prior art, the novel freight floor installation structure provided in the embodiment of the present application has the following technical effects:

[0016] In the present application, a vehicle body mounting seat is arranged on the vehicle body chassis, and a floor mounting module and a floor supporting module are arranged under the floor. The floor mounting module and the floor supporting module are respectively detachably fixedly connected to the floor, and a detachable fixed connection is adopted between the floor mounting module and the vehicle body mounting seat to facilitate disassembly and assembly; through the setting of the above-mentioned various mounting interfaces, a detachable fixed connection method is adopted between the floor and the vehicle body chassis, and a modular setting can be performed. It has a simple structure, is easy to install, and has a wide range of applications. At the same time, it can be applicable to non-container freight bulk packages and box bag vehicles.

[0017] In order to achieve the above-mentioned second purpose, the present application also provides a freight floor, which includes any one of the above-mentioned new freight floor installation structures. Since the above-mentioned freight floor has the above-mentioned technical effects, the freight floor with the new freight floor installation structure should also have corresponding technical effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0019] Figure 1 A schematic diagram of a top view of a freight floor provided in an embodiment of the present application;

[0020] Figure 2 for Figure 1 Schematic diagram of the structure viewed from above;

[0021] Figure 3 A schematic diagram of the installation structure of the pull ring assembly provided in an embodiment of the present application;

[0022] Figure 4 for Figure 3 AA-direction cross-sectional structural diagram;

[0023] Figure 5 for Figure 3 Schematic diagram of the cross-sectional structure in the middle BB direction;

[0024] Figure 6 for Figure 3 Schematic diagram of the cross-sectional structure in CC direction;

[0025] Figure 7 for Figure 4 The enlarged schematic diagram of the local structure at position Ⅰ in the middle;

[0026] Figure 8 for Figure 4 A magnified schematic diagram of the local structure at position II in the middle;

[0027] Fig. 9 for Figure 4 A magnified schematic diagram of the local structure at point III;

[0028] Fig.10 A schematic diagram of the structure of a floor support module provided in an embodiment of the present application;

[0029] Fig.11 A schematic diagram of the structure of a floor mounting module provided in an embodiment of the present application;

[0030] Fig.12 A schematic diagram of the structure of a freight floor module provided in an embodiment of the present application;

[0031] Fig.13 A bottom-up structural schematic diagram of a floor-mounted module provided in an embodiment of the present application;

[0032] Fig.14 This is a schematic bottom view of the floor support provided in an embodiment of the present application.

[0033] The following are marked in the accompanying drawings:

[0034] Cargo floor 100;

[0035] Car body mounting seat 1, floor support module 2, floor mounting module 3, cargo floor module 4, pull ring assembly 5, pull ring mounting module 6,

[0036] Mounting plate 11, rectangular seat body 12, sliding hole 121, reinforcement seat 122;

[0037] Floor support member 21, extension portion 211, elastic support member 22;

[0038] Mounting profile 31, strip mounting hole 311, reinforcing plate mounting hole 312, reinforcing plate 32;

[0039] Pull ring mounting groove 41;

[0040] Pull ring 51, pull ring seat 52, bottom mounting seat 53, wedge-shaped rubber sealing ring 54;

[0041] A second pull ring seat mounting hole 521, a limiting pin 522, and a limiting recess 523;

[0042] First pull ring mounting hole 531;

[0043] The pull ring mounting profile 61 and the second pull ring mounting hole 62 . DETAILED DESCRIPTION

[0044] The embodiment of the present invention discloses a novel freight floor installation structure to solve the problem that the existing freight floor and the vehicle body chassis are connected by welding or in a complicated manner, which results in the floor being unable to be modularly arranged.

[0045] In order to make the technical solutions and advantages in the embodiments of the present application more clearly understood, the exemplary embodiments of the present application are further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than an exhaustive list of all the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0046] See also Figure 1-14 , Figure 1 A schematic diagram of a top view of a freight floor provided in an embodiment of the present application; Figure 2 for Figure 1 Schematic diagram of the structure viewed from above; Figure 3 A schematic diagram of the installation structure of the pull ring assembly provided in an embodiment of the present application; Figure 4 for Figure 3 AA-direction cross-sectional structural diagram; Figure 5 for Figure 3 Schematic diagram of the cross-sectional structure in the middle BB direction; Figure 6 for Figure 3 Schematic diagram of the cross-sectional structure in CC direction; Figure 7 for Figure 4 The enlarged schematic diagram of the local structure at position Ⅰ in the middle; Figure 8 for Figure 4 A magnified schematic diagram of the local structure at position II in the middle; Fig. 9 for Figure 4 A magnified schematic diagram of the local structure at point III; Fig.10 A schematic diagram of the structure of a floor support module provided in an embodiment of the present application; Fig.11 A schematic diagram of the structure of a floor mounting module provided in an embodiment of the present application; Fig.12 A schematic diagram of the structure of a freight floor module provided in an embodiment of the present application; Fig.13 A bottom-up structural schematic diagram of a floor-mounted module provided in an embodiment of the present application; Fig.14This is a schematic bottom view of the floor support provided in an embodiment of the present application.

[0047] like Figure 1-4 As shown, in a specific embodiment, the freight floor 100 provided in the present application includes a new freight floor 100 installation structure and a plurality of freight floor modules 4, each freight floor module 4 is arranged in the longitudinal direction, the longitudinal direction mentioned here is the longitudinal direction of the vehicle body, that is, the length direction of the vehicle body; the transverse direction is the transverse direction of the vehicle body, that is, the width direction of the vehicle body; the new freight floor 100 installation structure serves as an installation interface connecting the freight floor module 4 and the vehicle body chassis, and adopts a detachable fixed connection method, which can realize the modular setting of the freight floor 100.

[0048] In this embodiment, the installation structure of the new freight floor 100 is first described. The installation structure of the new freight floor 100 includes a plurality of vehicle body mounting seats 1 for being fixed on the vehicle body chassis; a floor support module 2, the bottom of which is seated on the vehicle body mounting seat 1, and the top is used for being detachably fixedly connected to the floor; a floor mounting module 3, the bottom of which is seated on the vehicle body mounting seat 1, the top is used for being detachably fixedly connected to the floor, and the bottom is detachably fixedly connected to the vehicle body mounting seat 1.

[0049] The vehicle body mounting seat 1 is used to be fixed on the vehicle body frame, preferably welded and fixed to the vehicle body frame, and the vehicle body mounting seat 1 provides an installation interface for the installation of the floor, and the welding method meets the installation strength requirements; there are several vehicle body mounting seats 1, which are arranged in sequence on the vehicle body frame according to the width of the freight floor module 4; several vehicle body mounting seats 1 are arranged horizontally on the vehicle body frame, and any vehicle body mounting seat 1 extends longitudinally on the vehicle body frame. In other embodiments, adaptive adjustment can be made according to the setting direction of the floor support module 2 and the floor mounting module 3 on the freight floor 100, which will not be repeated here.

[0050] The floor support module 2 and the floor mounting module 3 are respectively located at the bottom of the freight floor module 4 and are respectively detachably fixedly connected to the floor. A plurality of floor support modules 2 and a plurality of floor mounting modules 3 are respectively provided on any freight floor module 4. The floor support module 2 is used to support the freight floor 100, and the floor mounting module 3 is used to fix the freight floor 100 and the vehicle body chassis; the floor support module 2 and the floor mounting module 3 are preferably arranged in pairs. Optionally, the floor support module 2 is symmetrically arranged on both sides of the transverse center line of the freight floor module 4, and the floor mounting module 3 is symmetrically arranged on both sides of the transverse center line of the freight floor module 4; specifically, the floor mounting module 3, the floor mounting module 3 and the floor are fixed by threaded fasteners.

[0051] Compared with the prior art, the novel cargo floor 100 installation structure provided in the embodiment of the present application has the following technical effects:

[0052] In the present application, a vehicle body mounting seat 1 is arranged on the vehicle body chassis, and a floor mounting module 3 and a floor supporting module 2 are arranged under the floor. The floor mounting module 3 and the floor supporting module 2 are respectively detachably fixedly connected to the floor, and a detachable fixed connection is adopted between the floor mounting module 3 and the vehicle body mounting seat 1 to facilitate disassembly and assembly; through the setting of the above-mentioned various installation interfaces, a detachable fixed connection method is adopted between the floor and the vehicle body chassis, and a modular setting can be performed. It has a simple structure, is easy to install, and has a wide range of applications. At the same time, it can be applicable to non-container freight bulk packages and box bag vehicles.

[0053] like Figure 8 and 11 As shown, specifically, the floor installation module 3 includes:

[0054] The mounting profile 31 has a hollow cavity, the top surface of the mounting profile 31 is used to contact the bottom surface of the floor, and the mounting profile 31 is detachably fixedly connected to the vehicle body mounting seat 1 via threaded fasteners;

[0055] The reinforcing plate 32 is located in the hollow cavity and is detachably fixedly connected to the mounting profile 31. The reinforcing plate 32 is used for detachably fixedly connected to the floor. Specifically, the mounting profile 31 and the reinforcing plate 32 are tapped, and the threaded fasteners pass through the floor, the mounting profile 31 and the reinforcing plate 32 in sequence to achieve fixation.

[0056] The mounting profile 31 is preferably an aluminum alloy profile, and a reinforcing plate 32 is provided inside the mounting profile 31, and the reinforcing plate 32 is preferably a carbon steel reinforcing plate 32; the mounting profile 31 has a hollow cavity, the top surface of the mounting profile 31 is in contact with the bottom surface of the floor, the mounting profile 31 is detachably fixedly connected to the vehicle body mounting seat 1 via threaded fasteners, the threaded fasteners pass through the bottom surface of the mounting profile 31 and the vehicle body mounting seat 1 for detachable fixed connection, and at the same time, in order to adjust the processing error, a height adjustment pad is provided between the mounting profile 31 and the vehicle body mounting seat 1; the reinforcing plate 32 is located in the hollow cavity, and is detachably fixedly connected to the mounting profile 31, and the reinforcing plate 32 is detachably fixedly connected to the floor; thereby, the fixation between the floor and the vehicle body mounting seat 1 is achieved. There are preferably several reinforcing plates 32, all of which are arranged in the hollow cavity of the mounting profile 31, such as a reinforcing plate 32 is respectively arranged at both ends of the mounting profile 31 in the length direction; based on the characteristics that the mounting profile 31 is an aluminum profile and cannot be drilled, the reinforcing plate 32 is used to reinforce the floor mounting module 3 to ensure the installation strength between the floor mounting module 3 and the cargo floor module 4, specifically, the threaded fasteners pass through the floor, the mounting profile 31 and the reinforcing plate 32 for fixed connection, preferably, the floor, the mounting profile 31 and the reinforcing plate 32 are tapped and then fastened with bolts; thereby, the transfer of the floor and the vehicle body mounting seat 1 is realized through the mounting profile 31 and the reinforcing plate 32.

[0057] like Fig.13 As shown, optionally, a strip-shaped mounting hole 311 is provided on the bottom surface of the mounting profile 31, and the strip-shaped mounting hole 311 extends in the transverse direction of the mounting profile 31, and the mounting profile 31 is fixed to the vehicle body mounting seat 1 through the strip-shaped mounting hole 311 and the threaded fasteners;

[0058] A plurality of groups of reinforcing plate mounting holes 312 are disposed on both lateral side walls of the mounting profile 31 . Each group of reinforcing plate mounting holes 312 is arranged longitudinally along the mounting profile 31 . The reinforcing plates 32 and the mounting profile 31 are fixed via the reinforcing plate mounting holes 312 and threaded fasteners.

[0059] The strip-shaped mounting hole 311 is used to compensate for processing and installation errors. A threaded fastener is provided in the strip-shaped mounting hole 311, and the mounting profile 31 is fixed to the vehicle body mounting seat 1 through the threaded fastener; the threaded fastener specifically includes bolts and nuts, as well as gaskets and other structures; in order to achieve connection, an adjustment pad is provided between the mounting profile 31 and the vehicle body mounting seat 1 to achieve fixation. The side walls on both sides of the mounting profile 31 are provided with a plurality of groups of reinforcing plate mounting holes 312, and one reinforcing plate 32 corresponds to one or two groups of reinforcing plate mounting holes 312. In this embodiment, a reinforcing plate 32 is provided at each of the longitudinal ends of the mounting profile 31, and each reinforcing plate 32 corresponds to two groups of reinforcing plate mounting holes 312. Then, two groups of reinforcing plate mounting holes 312 are provided at each of the longitudinal ends of the mounting profile 31, and the reinforcing plate 32 and the mounting profile 31 are fixed through the reinforcing plate mounting holes 312.

[0060] It can be understood that the present application connects the mounting profile 31 and the vehicle body mounting seat 1 through threaded fasteners, connects the reinforcement plate 32 and the mounting profile 31 through threaded fasteners, and then connects the reinforcement plate 32 and the floor through threaded fasteners, thereby achieving the transfer, and the connection strength between the two is ensured by setting the reinforcement plate 32.

[0061] Further, the hollow cavity of the mounting profile 31 is rectangular; and / or, the reinforcing plate 32 is a C-shaped reinforcing plate 32 .

[0062] The top surface of the mounting profile 31 is provided with an extension portion 211 extending outward along the width direction, which increases the contact area between the floor mounting module 3 and the floor and improves the connection strength; the reinforcement plate 32 is a C-shaped reinforcement plate 32, which is inserted into the hollow cavity of the mounting profile 31, and the contact area with the mounting profile 31 is further increased by the C-shaped reinforcement plate 32. At the same time, the threaded fasteners pass through the two side walls of the C-shaped reinforcement plate 32 to further improve the connection strength.

[0063] like Fig. 9As shown, in another embodiment, the floor support module 2 includes a floor support member 21 and an elastic support member 22. The elastic support member 22 is fixed on the vehicle body mounting seat 1, and the elastic support member 22 is bonded to the vehicle body mounting seat 1 to facilitate installation and positioning; the elastic support member 22 can be specifically a rubber pad or other structure, as long as the same technical effect can be achieved. The top of the floor support member 21 is fixed to the floor, preferably a detachable fixed connection, the bottom of the floor support member 21 is located on the elastic support member 22, the floor support member 21 and the vehicle body mounting seat 1 are elastically connected, and are crimped through the floor mounting member. Specifically, the floor support member 21 is a support profile with a hollow cavity, and the top surface of the support profile is used to fit with the bottom surface of the floor; the lateral ends of the top surface of the support profile are respectively provided with outwardly extending extensions 211, and any extension 211 is used for a detachable fixed connection with the bottom surface of the floor. It can be understood that when the floor support 21 only plays a supporting role, it is elastically connected to the vehicle body mounting seat 1 through the elastic support 22; when the floor support provides a mounting position for the pull ring assembly 2, an adjustment pad is set between the floor support 21 and the vehicle body mounting seat 1 to improve the connection stability between the two.

[0064] The supporting profile and the mounting profile 31 are preferably of the same profile structure to facilitate production and processing and simplify the production process; the extension portion 211 extends from the end of the supporting profile in the width direction to the side away from the center line, and the two ends of the supporting profile in the width direction are respectively provided with extension portions 211; the extension portion 211 is used for welding and fixing with the bottom surface of the floor, specifically, threaded holes are provided on the extension portion 211, and threaded fasteners cooperate with the threaded holes to achieve fixation of the supporting profile and the floor; since the supporting profile only plays a supporting role, the force is small; threaded holes can be provided on the supporting profile to achieve fixation with the floor; the extension portion 211 increases the contact area between the floor supporting module 2 and the floor, and provides an installation position for the connection between the floor supporting module 2 and the floor, thereby simplifying the installation process.

[0065] Furthermore, in order to realize the connection between the floor support module 2 and the floor mounting module 3 and the vehicle body mounting seat 1, the vehicle body mounting seat 1 includes a mounting plate 11 and a rectangular seat body 12, the bottom of the rectangular seat body 12 is an open structure, and is located and fixed on the mounting plate 11;

[0066] The top wall of the rectangular seat body 12 is provided with a sliding hole 121 for cooperating with a threaded fastener. The sliding hole 121 extends longitudinally of the rectangular seat body 12 and passes through the rectangular seat body 12 . A reinforcement seat 122 is provided inside the rectangular seat body 12 at a position corresponding to the sliding hole 121 .

[0067] like Fig.10As shown, the mounting plate 11 and the rectangular seat body 12 are welded or integrally arranged to improve the structural strength; the top wall of the rectangular seat body 12 is provided with a sliding hole 121 which passes through along the length direction of the vehicle body mounting seat 1, and the reinforcement seat 122 is located inside the rectangular seat body 12 and is arranged opposite to the sliding hole 121. The reinforcement seat 122 is a C-shaped structure, and its two side end walls are respectively located on both sides of the sliding hole 121 to ensure the connection strength of the vehicle body mounting seat 1.

[0068] In another embodiment of the present application, a freight floor 100 is provided. The freight floor 100 includes:

[0069] The novel cargo floor 100 installation structure of any of the above embodiments;

[0070] A plurality of freight floor modules 4 are arranged longitudinally, and each freight floor module 4 is provided with a plurality of floor support modules 2 and a plurality of floor installation modules 3 of the novel freight floor 100 installation structure.

[0071] Each floor support module 2 is arranged in the transverse direction of the freight floor module 4 and extends in the longitudinal direction of the freight floor module 4; each floor mounting module 3 is arranged in the transverse direction of the freight floor module 4 and extends in the longitudinal direction of the freight floor module 4. It can be understood that each floor support module 2 on each freight floor module 4 is correspondingly arranged, and each floor mounting module 3 on each freight floor module 4 is correspondingly arranged, that is, in the longitudinal direction of the vehicle body, each floor support module 2 of each freight floor module 4 is respectively and continuously arranged in the longitudinal direction to ensure the longitudinal force transmission of the vehicle body, so as to better transmit the longitudinal load and meet the load design requirements of the rail vehicle.

[0072] At least two floor support modules 2 and at least two floor mounting modules 3 are respectively provided on any freight floor module 4. Preferably, a floor mounting module 3 is symmetrically provided on both sides of the center line of the freight floor module 4 in the length direction, and four floor support modules 2 are symmetrically provided at the same time; two floor mounting modules 3 are arranged close to the center line; in other embodiments, the number of floor support modules 2 and floor mounting modules 3 can be set according to the length of the freight floor module 4, all of which are within the protection scope of this application. Glue seams are used to seal the joints between adjacent freight floor modules 4 and between the floor and the side wall to ensure watertightness.

[0073] The freight floor 100 adopts a modular design with a small number of material types and a unified installation interface, which can meet the usage requirements while also being aesthetically pleasing.

[0074] Any cargo floor module 4 includes a corrugated plate and an aluminum honeycomb interlayer, and a fiberglass plate is arranged between the corrugated plate and the aluminum honeycomb interlayer. Specifically, the surface of the cargo floor 100 is made of stainless steel corrugated plate, with an aluminum honeycomb interlayer in the middle, and a fiberglass plate is sandwiched between the aluminum honeycomb interlayer and the stainless steel corrugated plate to avoid electrochemical corrosion between the aluminum honeycomb and the stainless steel.

[0075] like Fig.12 As shown, specifically, in order to meet the design requirements of the floor of a non-container type freight vehicle, any freight floor module 4 also includes a pull ring assembly 5 for fixing the cargo. The pull ring assembly 5 for fixing the cargo is arranged on the freight floor 100, and a pull ring installation groove 41 is arranged on the freight floor module 4. The pull ring installation groove 41 penetrates the freight floor module 4 along the thickness direction; the new freight floor installation structure also includes a pull ring installation module 6, the bottom of the pull ring installation module 6 is located on the vehicle body mounting seat 1, and the top is used for detachable fixed connection with the freight floor module 4; the pull ring installation module 6 corresponds to the pull ring installation groove 41, the pull ring assembly 5 is located in the pull ring installation groove 41, and is connected to the pull ring installation module 6 and the vehicle body mounting seat 1 through a threaded fastener. The top surface of the pull ring assembly 5 is flush with the top surface of the freight floor module 4; the pull ring assembly 5 is located in the pull ring installation groove 41, and is connected to the pull ring installation module 6, the adjustment pad and the vehicle body mounting seat 1 through a threaded fastener. The pull ring assemblies 5 are arranged in groups on the freight floor module 4, specifically two groups. The two groups of pull ring assemblies 5 are arranged longitudinally of the freight floor module 4, and each group of pull ring assemblies 5 includes two pull ring assemblies 5 arranged opposite to each other in the transverse direction; that is, four pull ring assemblies 5 are arranged on each freight floor module 4. In other embodiments, the number of pull ring assemblies 5 can be set according to the width and size of the freight floor module 4; it can be understood that the pull ring assemblies 5 of each freight floor module 4 form two longitudinal columns respectively in the longitudinal direction, and are arranged regularly to provide support for the cargo hooks.

[0076] The pull ring assembly 5 is arranged in the pull ring installation groove 41, and the pull ring installation groove 41 corresponds to the pull ring installation module 6 under the floor, and the pull ring assembly 5 and the vehicle body mounting seat 1 are detachably fixedly connected by threaded fasteners. The pull ring assembly 5 is used to fix the cargo and provides an interface for cargo fixation; when the pull ring assembly 5 is not in use, its top surface is flush with the top surface of the cargo floor module 4 so as not to affect the transfer and transportation of the cargo in the vehicle.

[0077] Among them, the pull ring composition 5 specifically includes:

[0078] Pull ring 51;

[0079] A pull ring seat, wherein the pull ring 51 is rotatably connected to the pull ring seat, and when the pull ring 51 is in a closed state, it is flush with the top surface of the pull ring seat;

[0080] The bottom mounting seat 53 is located at the bottom of the pull ring seat, and the bottom mounting seat 53 is detachably fixedly connected to the pull ring seat and the vehicle body mounting seat 1 respectively.

[0081] The pull ring 51 is rotatably connected in the pull ring seat. The pull ring seat is provided with a rotating shaft. The rotating hole of the pull ring 51 cooperates with the rotating shaft to realize the rotatable connection; when the pull ring 51 is located in the pull ring seat and is in a closed state, the top surface of the pull ring 51 is flush with the top surface of the pull ring seat; when the pull ring 51 needs to be opened, the pull ring 51 is rotated to rotate relative to the pull ring seat, and the rotation angle is preferably 0°~110°. In order to facilitate the installation of the pull ring assembly 5, the pull ring seat and the bottom mounting seat 53 are set to a split structure, and the two are fixed with threaded fasteners; during installation, the bottom mounting seat 53 is first pushed into the hollow cavity of the pull ring mounting module 6 through the pull ring mounting groove 41 on the freight floor module 4, and the bottom mounting seat 53 is fixed to the vehicle body mounting seat 1; then the pull ring seat is placed into the pull ring mounting groove 41, and the pull ring seat and the bottom mounting seat 53 are fixed with threaded fasteners, thereby completing the fixation of the pull ring assembly 5 on the freight floor module 4 and the vehicle body chassis. In the present application, the pull ring assembly 5 adopts the pull ring mounting module 6 as a new installation interface to be fixed to the vehicle body chassis. Its structure is ingenious, which can ensure the firmness of the floor installation and provide an interface for cargo fixation.

[0082] The pull ring installation module 6 is a pull ring installation profile 61 with a specific hollow cavity, and the bottom mounting seat 53 is located in the hollow cavity of the pull ring installation profile 61. The pull ring installation profile 61 is in contact with the bottom surface of the freight floor module 4 and is connected with threaded fasteners; the specific structure of the pull ring installation profile 61 can be set with reference to the structure of the floor support 21, and the pull ring installation profile 61 and the vehicle body mounting seat 1 are connected through an adjustment pad to achieve the fixation between the pull ring assembly 5 and the vehicle body mounting seat 1. Preferably, each freight floor module 4 is provided with two groups of pull ring installation profiles 61 symmetrically arranged along the center line, and each pull ring installation profile 61 is provided with a group of pull ring assemblies 5 at both ends in the longitudinal direction.

[0083] In order to improve the waterproof sealing of the floor, a wedge-shaped rubber sealing ring 54 cooperating with the pull ring assembly 5 is provided around the pull ring installation groove 41 to prevent sewage from flowing from the pull ring installation groove 41 into the vehicle chassis when cleaning the floor and corroding the internal structure of the vehicle body.

[0084] Optionally, the bottom mounting seat 53 is a "convex" shaped structure that is thick in the middle and thin at both ends, and the two ends of the "convex" shaped structure are respectively provided with a first pull ring mounting hole 531 for connecting with the vehicle body mounting seat 1; the bottom of the pull ring mounting module 6 is provided with a second pull ring mounting hole 62 corresponding to the first pull ring mounting hole 531.

[0085] The two ends of the "convex"-shaped structure extend longitudinally along the vehicle body, that is, the two first pull ring mounting holes 531 are located at the longitudinal ends of the bottom mounting seat 53, and are used to fix with the vehicle body mounting seat 1; the "convex"-shaped structure with a thick middle and thin ends provides space for the installation of threaded fasteners, and the threaded fasteners preset in the vehicle body mounting seat 1 pass through the second pull ring mounting hole 62 and the first pull ring mounting hole 531 from bottom to top to fix the bottom mounting seat 53 and the vehicle body mounting seat 1; the threaded fasteners are preferably bolts. The first pull ring mounting hole 531 and the second pull ring mounting hole 62 are both bar-shaped holes, which extend in the horizontal direction to compensate for installation and processing errors and facilitate installation and positioning.

[0086] In another embodiment, first pull ring seat mounting holes are respectively provided at the two lateral ends of the center of the "convex"-shaped structure; second pull ring seat mounting holes 521 are respectively provided at the two lateral ends of the bottom surface of the pull ring seat, and the second pull ring seat mounting holes 521 correspond to the first pull ring seat mounting holes; threaded fasteners pass through the first pull ring seat mounting holes and the second pull ring seat mounting holes 521 to fix the pull ring seat to the bottom mounting seat 53; the threaded fasteners are preferably hexagon socket cylindrical screws. At the same time, in order to prevent the first pull ring seat mounting hole from leaking and improve the structural sealing, a waterproof cap is provided on the top of the first pull ring seat mounting hole, and the waterproof cap is flush with the bottom surface of the pull ring seat to prevent interference with the closure of the pull ring 51.

[0087] Furthermore, the two lateral ends of the pull ring seat are symmetrically provided with limit pins 522, and the two lateral side walls of the pull ring 51 are respectively provided with limit recesses 523, which can cooperate with the limit pins 522 to limit and maintain the pull ring 51 in a closed state. In the case of non-human operation, the pull ring 51 is always embedded in the floor, and the upper surface of the pull ring 51 is flush with the surface of the cargo floor 100, which does not affect the transfer and transportation of the goods in the vehicle;

[0088] In a specific implementation, the specific installation process of the freight floor 100 is as follows:

[0089] Weld several vehicle body mounting seats 1 to the vehicle body chassis, and embed bolts on the vehicle body mounting seats 1 corresponding to the floor mounting modules 3 and the pull ring mounting modules 6; and bond the elastic support members 22 to the vehicle body mounting seats 1 corresponding to the floor support members 21;

[0090] Install the floor support 21 and the pull ring mounting profile 61 at the bottom of the cargo floor module 4, set screws on the extension 211 of the floor support 21 to fix it to the cargo floor module 4, and set screws on the extension of the pull ring mounting profile 61 to fix it to the cargo floor module 4;

[0091] The strip-shaped mounting hole 311 of the mounting profile 31 is fastened with the bolts of the vehicle body mounting seat 1 to fix the mounting profile 31 and the vehicle body mounting seat 1; the reinforcing plate 32 is arranged in the hollow cavity of the mounting profile 31, and the reinforcing plate 32 and the mounting holes on the reinforcing plate 32 are fastened with bolts to fix the reinforcing plate 32 and the mounting profile 31;

[0092] The freight floor module 4 is laid on the vehicle body chassis, the floor support member 21 is connected with the elastic support member 22, the freight floor module 4 is threaded, and the freight floor module 4 and the reinforcement plate 32 are fixed by threaded fasteners, thereby completing the connection between the floor support member 21 and the floor mounting member and the vehicle body mounting seat 1;

[0093] To install the pull ring assembly 5, first, pass the bottom mounting seat 53 through the pull ring 51 mounting seat and place it into the corresponding pull ring mounting profile 61, and pass the embedded bolts on the vehicle body mounting seat 1 through the first pull ring mounting hole 531 and the second pull ring mounting hole 62 of the bottom mounting seat 53 and fix them to achieve the installation of the bottom mounting and the vehicle body mounting seat 1; secondly, place the pull ring seat on the bottom mounting seat 53, and fasten it by screwing through the second pull ring seat mounting hole 521 and the first pull ring seat mounting hole, and set a waterproof cap above the screw to complete the installation of the pull ring assembly 5.

[0094] The present application also provides a rail vehicle, comprising a vehicle body underframe and the freight floor 100 described in any one of the above embodiments, wherein a vehicle body underframe mounting seat is welded to the vehicle body underframe.

[0095] Although the preferred embodiments of the present application have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present application.

[0096] Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to include these modifications and variations.

Claims

1. A new type of cargo floor installation structure, characterized in that: include: A plurality of vehicle body mounting seats, used for being fixed on the vehicle body chassis; A floor support module, the bottom of which is seated on the vehicle body mounting seat and the top of which is used for detachable fixed connection with the floor; The floor mounting module has a bottom portion located on the vehicle body mounting seat, a top portion used for detachable fixed connection with the floor, and a bottom portion detachably fixedly connected with the vehicle body mounting seat.

2. The novel cargo floor installation structure according to claim 1 is characterized in that: The floor mounting module comprises: A mounting profile having a hollow cavity, the top surface of the mounting profile being used to fit with the bottom surface of the floor, the mounting profile being detachably fixedly connected to the vehicle body mounting seat via a threaded fastener; The reinforcing plate is located in the hollow cavity and is detachably fixedly connected to the mounting profile. The reinforcing plate is used for being detachably fixedly connected to the floor.

3. The novel cargo floor installation structure according to claim 2 is characterized in that: The bottom surface of the mounting profile is provided with a strip-shaped mounting hole, the strip-shaped mounting hole extends in the transverse direction of the mounting profile, and the mounting profile is fixed to the vehicle body mounting seat via the strip-shaped mounting hole and a threaded fastener; The two lateral side walls of the mounting profile are oppositely provided with a plurality of groups of reinforcing plate mounting holes, each group of the reinforcing plate mounting holes is arranged along the longitudinal direction of the mounting profile, and the reinforcing plate and the mounting profile are fixed via the reinforcing plate mounting holes and threaded fasteners.

4. The novel cargo floor installation structure according to claim 2 is characterized in that: The hollow cavity of the mounting profile is rectangular; And / or, the reinforcement plate is a C-shaped reinforcement plate.

5. The novel cargo floor installation structure according to claim 1 is characterized in that: The floor support module comprises: A floor support member and an elastic support member, wherein the elastic support member is fixed on the vehicle body mounting seat, the top of the floor support member is used to be fixed to the floor, and the bottom is located on the elastic support member.

6. The novel cargo floor installation structure according to claim 5 is characterized in that: The floor support is a support profile having a hollow cavity, and the top surface of the support profile is used to fit with the bottom surface of the floor; Both lateral ends of the top surface of the supporting profile are respectively provided with extension parts extending outwards, and any of the extension parts is used for detachably fixed connection with the bottom surface of the floor.

7. The novel cargo floor installation structure according to claim 1 is characterized in that: The vehicle body mounting seat comprises a mounting plate and a rectangular seat body, the bottom of the rectangular seat body is an open structure, and is located and fixed on the mounting plate; The top wall of the rectangular seat body is provided with a sliding hole for cooperating with a threaded fastener, and the sliding hole extends in the longitudinal direction of the rectangular seat body and passes through the rectangular seat body; a reinforcement seat is provided inside the rectangular seat body at a position corresponding to the sliding hole.

8. A cargo floor, characterized in that: include: The novel freight floor mounting structure according to any one of claims 1 to 7; A plurality of freight floor modules are arranged longitudinally, and any of the freight floor modules is provided with a plurality of floor support modules and a plurality of floor installation modules of the novel freight floor installation structure.

9. The cargo floor according to claim 7, characterized in that: Any of the freight floor modules further comprises a pull ring component for fixing the cargo, and the freight floor module is provided with a pull ring installation groove penetrating in the thickness direction; The novel cargo floor mounting structure further comprises a pull ring mounting module, the bottom of which is seated on the vehicle body mounting seat, and the top of which is used for detachable fixed connection with the cargo floor module; The pull ring installation module corresponds to the pull ring installation groove, the pull ring assembly is located in the pull ring installation groove, and is connected to the pull ring installation module and the vehicle body mounting seat via threaded fasteners.

10. The cargo floor according to claim 9, characterized in that: The pull ring composition comprises: Pull ring; A pull ring seat, wherein the pull ring is rotatably connected in the pull ring seat and is flush with the top surface of the pull ring seat when the pull ring is in a closed state; The bottom mounting seat is located at the bottom of the pull ring seat, and the bottom mounting seat is detachably fixedly connected to the pull ring seat and the vehicle body mounting seat respectively.

11. The cargo floor according to claim 10, characterized in that: The pull ring installation module is a pull ring installation profile with a specific hollow cavity, and the bottom mounting seat is located in the hollow cavity of the pull ring installation profile.

12. The cargo floor according to claim 11, characterized in that: The bottom mounting seat is a "convex" shaped structure which is thick in the middle and thin at both ends, and the two ends of the "convex" shaped structure are respectively provided with a first pull ring mounting hole for connecting with the vehicle body mounting seat; A second pull ring mounting hole corresponding to the first pull ring mounting hole is provided at the bottom of the pull ring mounting profile.

13. The cargo floor according to claim 12, characterized in that: The two lateral ends of the center of the "convex" shaped structure are respectively provided with first pull ring seat mounting holes; Second pull-ring seat mounting holes are respectively provided at two lateral ends of the bottom surface of the pull-ring seat, and the second pull-ring seat mounting holes correspond to the first pull-ring seat mounting holes.

14. The cargo floor according to claim 10, characterized in that: Limit pins are symmetrically arranged at both lateral ends of the pull ring seat, and limit recesses are respectively arranged on both lateral side walls of the pull ring. The limit recesses can cooperate with the limit pins to limit and maintain the pull ring in a closed state.

15. The cargo floor according to claim 9, characterized in that: A wedge-shaped rubber sealing ring matched with the pull ring is arranged around the pull ring installation groove.

16. The cargo floor according to claim 8, characterized in that: Any of the cargo floor modules comprises: A corrugated plate and an aluminum honeycomb interlayer, wherein a glass fiber reinforced plastic plate is arranged between the corrugated plate and the aluminum honeycomb interlayer.

17. A rail vehicle, characterized in that: It comprises a vehicle body underframe and the freight floor as claimed in any one of claims 8 to 16; a vehicle body mounting seat is welded on the vehicle body underframe.

Images