Floor structure of special vehicle

Abstract

The utility model discloses a floor structure of a special vehicle. The floor structure comprises a plurality of floor auxiliary seats, a plurality of supporting beam auxiliary seats, a plurality of supporting beams, a plurality of floors and a special vehicle body. The side wall of a vehicle body of the special vehicle comprises a front plate, a side plate I, a tail plate and a side plate II which are connected in sequence, floor attached seats and supporting beam attached seats are fixed to the inner side wall of the vehicle body, and the floor attached seats are arranged around the inner side wall of the vehicle body at intervals; the supporting beam auxiliary seats are arranged along the side plate I and the side plate II at intervals, and the supporting beam auxiliary seats on the side plate I correspond to the supporting beam auxiliary seats on the side plate II in a one-to-one mode. The two ends of each supporting beam are fixed to the two corresponding supporting beam auxiliary seats respectively, and the floors are spliced in the vehicle body and fixed to the floor auxiliary seats and the supporting beams. The floor is arranged in a suspended mode in the mode that the floor auxiliary seats and the supporting beams are welded to the side walls, the impact transmission path is effectively increased, the impact load borne by the floor is reduced, and the sealing performance of floor installation is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle structure technical field of special vehicle, specifically is a floor structure of special vehicle. BACKGROUND

[0002] At present, the protection of special vehicle mainly relies on the way of increasing protection patch on the bottom deck of the vehicle body to relieve impact, and most of the traditional floor mounting structures adopt the structure of welding stand column on the bottom deck, floor beam lapping on the stand column to install and fix the aluminum floor. However, deformation of the bottom deck will be caused by impact, the chassis parts will be loose, and the broken fragments will splash, at the same time, the shock wave will be sharply transmitted to the floor through the support stand column of the floor beam, and the aluminum floor will be deformed or even broken in a very short time, causing secondary damage to the passengers in the vehicle. In addition, the noise in the vehicle and the sealing performance of the joint between the edge of the floor and the vehicle body are also poor, which seriously affects the comfort of the passengers.

[0003] With the increasing requirements of special vehicle users in terms of user experience, it is very important to improve the sealing and impact resistance of the floor in the special vehicle, reduce the secondary damage to the passengers in the vehicle and improve the riding comfort under the premise of meeting the passability, maneuverability and maintainability of the special vehicle. SUMMARY

[0004] The utility model aims at providing a floor structure of special vehicle, which comprises a plurality of floor attachment seats, a plurality of support beam attachment seats, a plurality of support beams, a plurality of floors and a special vehicle body.

[0005] The side wall of the special vehicle body comprises a front plate, a side plate I, a tail plate and a side plate II connected in sequence.

[0006] The floor attachment seat is fixed on the inner side wall of the special vehicle body and is arranged at intervals around the inner side wall of the special vehicle body.

[0007] The support beam attachment seat is fixed on the inner side wall of the special vehicle body and is arranged at intervals along the side plate I and the side plate II of the special vehicle body, and the support beam attachment seat on the side plate I corresponds to the support beam attachment seat on the side plate II one by one.

[0008] The two ends of the support beam are fixed on the two corresponding support beam attachment seats respectively.

[0009] A plurality of the floors are spliced inside the special vehicle body and fixed on the floor attachment seats and the support beams.

[0010] Further, the floor attachment seat and the support attachment seat are arranged at intervals on the side plate I.

[0011] The floor attachment seat and the support attachment seat are arranged at intervals on the side plate II.

[0012] Further, the support beams include a front support beam, a middle support beam and a rear support beam.

[0013] The front support beam is arranged at the front of the special vehicle body.

[0014] The middle support beam is arranged at the middle of the special vehicle body.

[0015] The rear support beam is arranged at the rear of the special vehicle body.

[0016] Further, the front support beam is in a cross shape.

[0017] Further, the middle support beam is provided with a reinforcing rib and a sealing plate.

[0018] Further, the floor has a gap with the bottom of the special vehicle body.

[0019] Further, the floor is made of a honeycomb aluminum plate, and a Kevlar protective layer is further arranged on the upper surface of the floor.

[0020] Further, the floor is fixed on the floor support and the support beam by screws and washers.

[0021] Further, the floor support and the support beam support are both welded on the inner side wall of the special vehicle body.

[0022] Further, the support beam is fixed on the support beam support by bolts.

[0023] The technical effect of the utility model is self-evident, and the beneficial effects of the utility model are as follows.

[0024] The utility model changes the traditional floor structure supported by bottom deck riser columns, adopts the mode that the floor support and the support beam are welded on the side wall, and arranges the floor in suspension. The implementation of the structure design without column support increases the impact transmission path, effectively reduces the impact load borne by the floor, and the space arrangement of other components under the floor in the vehicle is also more flexible; a circle of floor supports is welded on the side wall of the vehicle body, the sealing property of the special vehicle floor installation is improved, the noise in the passenger space in the vehicle is reduced, and the overall appearance in the vehicle is improved; the traditional aluminum floor material is replaced by a honeycomb aluminum plate, and a Kevlar protective layer is pasted on the upper surface, the coating enhances the toughness and rigidity of the floor, the honeycomb aluminum plate is made of an aluminum alloy plate as a surface and a bottom plate, and is hot-pressed and combined with an aluminum honeycomb core, the honeycomb aluminum plate is light in weight, high in rigidity, has better energy absorption, sound insulation, anti-skid and wear resistance than the traditional aluminum plate, and can avoid the secondary damage of impact to the passengers in the vehicle and improve the riding comfort. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 The structure schematic view is described in the utility model.

[0026] Figure 2 The floor attachment mounting structure schematic view is described.

[0027] Figure 3 The support beam mounting structure schematic view is described.

[0028] Figure 4 The support beam structure schematic view is described.

[0029] Figure 5 The floor block effect diagram is described.

[0030] In the drawing: floor attachment 1, support beam attachment 2, support beam 3, floor 4, special vehicle body 5, reinforcing rib 301, sealing plate 302. DETAILED DESCRIPTION

[0031] The utility model will be further described below in combination with examples, but should not be understood as the above-mentioned subject range of the utility model is limited to the following examples. According to the ordinary technical knowledge and conventional means in the art, various substitutions and changes are made without departing from the above-mentioned technical thought of the utility model, and all should be included in the protection scope of the utility model.

[0032] Example 1:

[0033] A floor structure of a special vehicle includes a plurality of floor attachments 1, a plurality of support beam attachments 2, a plurality of support beams 3, a plurality of floors 4 and a special vehicle body 5.

[0034] The side wall of the special vehicle body 5 includes a front plate, a side plate I, a tail plate and a side plate II connected in sequence.

[0035] The floor attachment 1 is fixed on the inner side wall of the special vehicle body 5 and is arranged at intervals around the inner side wall of the special vehicle body 5.

[0036] The support beam attachment 2 is fixed on the inner side wall of the special vehicle body 5 and is arranged at intervals along the side plate I and the side plate II of the special vehicle body 5, and the support beam attachment 2 on the side plate I corresponds to the support beam attachment 2 on the side plate II one by one.

[0037] The two ends of the support beam 3 are respectively fixed on two corresponding support beam attachments 2.

[0038] A plurality of floors 4 are spliced inside the special vehicle body 5 and fixed on the floor attachment 1 and the support beam 3.

[0039] Example 2:

[0040] The main structure of the embodiment is the same as that of Embodiment 1, and further, the floor attachment 1 and the support attachment 2 are arranged at intervals on the side plate I.

[0041] The floor attachment 1 and the support attachment 2 are arranged at intervals on the side plate II.

[0042] Embodiment 3:

[0043] The main structure of the embodiment is the same as that of any one of Embodiments 1-2, and further, the support beam 3 comprises a front support beam, a middle support beam and a rear support beam.

[0044] The front support beam is arranged at the front of the special vehicle body 5.

[0045] The middle support beam is arranged at the middle of the special vehicle body 5.

[0046] The rear support beam is arranged at the rear of the special vehicle body 5.

[0047] Embodiment 4:

[0048] The main structure of the embodiment is the same as that of Embodiment 3, and further, the front support beam is in a cross shape, and the middle support beam and the rear support beam are in a U-shaped step shape with the opening of the cross section facing downward.

[0049] The cross section of the middle support beam is in a U-shaped step shape, the two sides of the U shape are perpendicular to the bottom wall of the U shape, and a cross bar is further connected between adjacent support beams 3. The cross section shape of the floor above the middle support beam is the same as that of the middle support beam.

[0050] The rear support beam is in a U-shaped step shape, and the two sides of the U shape are inclined at a certain angle to the bottom wall of the U shape. The cross section shape of the floor above the rear support beam is the same as that of the rear support beam.

[0051] The front support beam comprises a plurality of cross bars arranged in a cross shape on the inner wall of the special vehicle body 5. The floor at the front of the special vehicle body 5 is laid above the front support beam.

[0052] Embodiment 5:

[0053] The main structure of the embodiment is the same as that of any one of Embodiments 3-4, and further, the middle support beam is provided with a reinforcing rib 301 and a sealing plate 302.

[0054] Embodiment 6:

[0055] The main structure of the embodiment is the same as that of any one of Embodiments 1-5, and further, there is a gap between the floor 4 and the bottom of the special vehicle body 5.

[0056] Embodiment 7:

[0057] The main structure of this embodiment is the same as any one of embodiments 1-6, further, the floor 4 is made of honeycomb aluminum plate, and the upper surface of the floor 4 is further provided with a layer of Kevlar protective layer.

[0058] Embodiment 8:

[0059] The main structure of this embodiment is the same as any one of embodiments 1-7, further, the floor 4 is fixed on the floor support 1 and the support beam 3 by screws and washers.

[0060] Embodiment 9:

[0061] The main structure of this embodiment is the same as any one of embodiments 1-8, further, the floor support 1 and the support beam support 2 are both welded on the inner side wall of the special vehicle body 5.

[0062] Embodiment 10:

[0063] The main structure of this embodiment is the same as any one of embodiments 1-9, further, the support beam 3 is fixed on the support beam support 2 by bolts.

[0064] Embodiment 11:

[0065] The main structure of this embodiment is the same as any one of embodiments 1-10, further, the floor structure includes floor supports, a plurality of support beam supports and a plurality of support beams.

[0066] The floor supports are arranged around the side wall of the special vehicle body and fixed with the special vehicle body, the plurality of support beam supports are fixed on the side wall or part of the side of the rib of the special vehicle body, and the plurality of support beam supports are arranged at intervals with the floor supports.

[0067] The two ends of the plurality of support beams are respectively fixed on the two opposite support beam supports by bolts and installed in the special vehicle body, the plurality of floors are tightly jointed and fixed on the floor supports and the plurality of support beams in the special vehicle body, and there is a gap between the floor and the bottom of the special vehicle body.

[0068] The floor supports are tightly welded around the side wall of the special vehicle body.

[0069] The support beam is in the shape of a U-shaped step with the opening of the cross section facing downward.

[0070] A reinforcing rib and a sealing plate are arranged in the middle of the local U-shaped opening of the support beam.

[0071] The floor is made of honeycomb aluminum plate, and the upper surface is coated with a Kevlar protective layer.

[0072] The floor is fixed on the floor support and the support beam by screws and washers.

[0073] Embodiment 12

[0074] The main structure of the embodiment is the same as any one of Embodiments 1-11, and further, referring to Figure 1 The embodiment discloses a floor structure of a special vehicle, which comprises a floor support 1, a plurality of support beam supports 2 and a plurality of support beams 3, the plurality of support beam supports 2 are arranged at intervals from the floor support 1, a plurality of floors 4 are tightly spliced and fixed on the floor support 1 and the plurality of support beams 3 in a vehicle body 5 of the special vehicle, the whole has good sealing performance, can effectively reduce noise, improves the internal environment of the vehicle and improves the man-machine environment of the vehicle.

[0075] Referring to Figure 2 The floor support 1 is arranged around the side wall of the vehicle body 5 of the special vehicle and is fixed to the vehicle body 5.

[0076] Referring to Figure 3 The plurality of support beam supports 2 are fixed to the side wall or the side of the partial rib of the vehicle body 5 of the special vehicle, the two ends of the support beam 3 are respectively fixed to the two opposite support beam supports 2, are fixed into the vehicle body 5 through bolts, and the floor 4 has a gap from the bottom of the vehicle body 5. Since all the floor supports are derived from the side wall, the structure design without bottom deck column support has no direct connection with the bottom deck, so that the support beam can provide reliable support for the floor while effectively reducing the impact force in the vertical direction of the floor and reducing the impact on the lower legs of the passengers; meanwhile, more space arrangement positions are reserved for other devices in the vehicle body inside the floor.

[0077] Referring to Figure 4 The support beam 3 is in a U-shaped stepped shape and the opening of the cross section faces downward, and part of the support beams is in a concave structure due to the limitation of the space layout of the vehicle body, so that the strength is reduced. Therefore, the U-shaped opening of the support beam faces downward, and a reinforcing rib 301 and a sealing plate 302 are arranged at the corner area to increase the strength.

[0078] The floor 4 adopts a honeycomb aluminum plate and is pasted with a Kevlar protective layer on the upper surface. The shock absorption and noise reduction can enhance the toughness and rigidity of the floor, the floor 4 is connected with the floor support 1 and the support beam 3 through bolts, is simple in blocks, can be quickly disassembled and assembled, and is convenient for maintenance.

[0079] Embodiment 13

[0080] The main structure of the embodiment is the same as any one of Embodiments 1-12, and further, the assembly process of the floor structure comprises the following steps.

[0081] 1) The floor support is welded and connected to the vehicle body according to the design requirements and surrounds the side wall of the vehicle body;

[0082] 2) support beam attachment is welded on the side wall of the vehicle body;

[0083] 3) support beam is directly fixed on the support beam attachment of the side wall by bolts, forming a horizontal-vertical-longitudinal distribution of support beam mounting structure as shown in the attached Figure 3

[0084] 4) floor is placed on the floor attachment and support beam, and the floor attachment and support beam are provided with mounting holes and fixed by mounting;

[0085] 5) floor is fixed on the floor attachment or support beam by screws, and the floor is divided into blocks as shown in the attached Figure 5

[0086] The disassembly process of the floor structure is as follows:

[0087] The floor can be removed by loosening the screws on the mounting floor.

[0088] The mounting structure of the embodiment is convenient to disassemble and assemble, simple and reliable, good in noise reduction, sealing, impact resistance, and maintenance, solves the comfort and space performance of personnel riding, and the overall effect of the vehicle interior space is outstanding. Moreover, the noise of the whole vehicle is greatly reduced, the internal environment of the vehicle is improved, the man-machine environment of the vehicle is improved, the quality of the whole vehicle is improved, and it has great popularization value and can be adapted to different vehicle models.​​

Claims

1. A floor structure for a special vehicle, characterized by: The floor attachment (1), the support beam attachment (2), the support beam (3), the floor (4) and the special vehicle body (5) are sequentially connected. The side wall of the special vehicle body (5) comprises a front plate, a side plate I, a tail plate and a side plate II. The floor attachment (1) is fixed on the inner side wall of the special vehicle body (5) and is arranged at intervals around the inner side wall of the special vehicle body (5). The support beam attachment (2) is fixed on the inner side wall of the special vehicle body (5) and is arranged at intervals along the side plate I and the side plate II of the special vehicle body (5), and the support beam attachment (2) on the side plate I corresponds to the support beam attachment (2) on the side plate II. The two ends of the support beam (3) are respectively fixed on two corresponding support beam attachments (2). The floor (4) is connected and fixed on the floor attachment (1) and the support beam (3) inside the special vehicle body (5).

2. A floor structure for a special vehicle according to claim 1, characterized in that: The floor attachment (1) and the support beam attachment (2) are arranged at intervals on the side plate I. The floor attachment (1) and the support beam attachment (2) are arranged at intervals on the side plate II.

3. The floor structure of a special vehicle according to claim 1, characterized in that: The support beam (3) comprises a front support beam, a middle support beam and a rear support beam. The front support beam is arranged at the front of the special vehicle body (5). The middle support beam is arranged at the middle of the special vehicle body (5). The rear support beam is arranged at the rear of the special vehicle body (5).

4. A floor structure for a special vehicle according to claim 3, characterized in that: The front support beam is in a cross shape; the middle support beam and the rear support beam are in a U-shaped step shape and the opening of the cross section faces downward.

5. A floor structure for a special vehicle according to claim 3, characterized in that: The middle support beam is provided with a reinforcing rib (301) and a sealing plate (302).

6. The floor structure of a special vehicle according to claim 1, characterized in that: The floor (4) has a gap with the bottom of the special vehicle body (5).

7. The floor structure of a special vehicle according to claim 1, characterized in that: The floor (4) is made of honeycomb aluminum plate, and a Kevlar protective layer is further arranged on the upper surface of the floor (4).

8. The floor structure of a special vehicle according to claim 1, characterized in that: The floor (4) is fixed on the floor attachment (1) and the support beam (3) by screws and washers.

9. The floor structure of a special vehicle according to claim 1, characterized in that: The floor attachment (1) and the support beam attachment (2) are both welded on the inner side wall of the special vehicle body (5).

10. The floor structure of a special vehicle according to claim 1, characterized in that: The support beam (3) is fixed on the support beam attachment (2) by bolts.

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