The body load-bearing frame of an elevating turret fire truck for laying a profiled structure platform

Abstract

The present invention discloses a lifting jet fire truck body bearing frame for laying a profiled structure platform, which includes a first side frame, a second side frame, and a box frame. Profiled structure platforms are laid on the tops of the first side frame, the second side frame, and the box frame. The areas of the profiled structure platforms laid on the first side frame and the second side frame respectively match the areas of the tops of the first side frame and the second side frame, and the area of the profiled structure platform laid on the box frame matches the area of the top of the box frame. The profiled structure platform includes a plurality of profiled component frames. The joint surfaces at the splicing positions between every two profiled component frames are all special-shaped joint surfaces. Special-shaped hollow cavities are provided at each special-shaped joint surface of the profiled structure platform, and sealing rubber strips are inserted into each special-shaped hollow cavity. The present invention includes a plurality of profiled component frames that can be combined and spliced, has a good water leakage prevention effect, is convenient for disassembly and maintenance, and is convenient for the later use, maintenance, and repair of the fire truck.

Description

Technical Field

[0001] The invention belongs to the technical field of elevated fire trucks, and particularly relates to a body bearing frame of an elevated jet fire truck with a profile structure platform laid thereon. Background Art

[0002] At present, the body frame structures of fire trucks in the prior art are mostly designed in the form of composite installation of pipes and thin plates; in the prior art, the main body of the fire truck body frame is welded with aluminum pipes as the main material, and then thin aluminum plates are pasted on its surface as a platform to form the fire truck body frame structure. This kind of fire truck body frame structure is an integral structure and cannot be quickly disassembled and assembled. In addition, for the thin aluminum plate platform laid on the surface of this kind of fire truck body frame structure by bonding, its waterproof performance is poor and it is troublesome to disassemble, so it is not convenient for the later use, maintenance and repair of the fire truck. Summary of the Invention

[0003] Aiming at the above problems and making up for the deficiencies of the prior art, the invention provides a body bearing frame of an elevated jet fire truck with a profile structure platform laid thereon.

[0004] To achieve the above object, the invention adopts the following technical solutions.

[0005] The invention provides a body bearing frame of an elevated jet fire truck with a profile structure platform laid thereon, which includes a first side frame, a second side frame and a box frame. The first side frame and the second side frame are respectively fixed on the left and right sides of the fire truck body and leave a placement space for the tires. The box frame is fixed at the tail of the fire truck body. The box frame is connected to the first side frame and the second side frame. Profile structure platforms are laid on the tops of the first side frame, the second side frame and the box frame. The areas of the profile structure platforms laid on the first side frame and the second side frame respectively match the areas of the tops of the first side frame and the second side frame, and the area of the profile structure platform laid on the box frame matches the area of the top of the box frame. The profile structure platform includes a plurality of profile component frames with different cross-sectional forms and capable of being arbitrarily combined and spliced. The joint surfaces at the splicing positions between every two profile component frames are all special-shaped joint surfaces. Special-shaped hollow cavities are arranged at each special-shaped joint surface of the profile structure platform. A sealing rubber strip is plugged in each special-shaped hollow cavity. The outer surface of each sealing rubber strip is closely attached to the inner surface of each special-shaped hollow cavity and the special-shaped joint surface where it is located.

[0006] As a preferred embodiment of the present invention, the profile structure platforms laid on the first side frame and the second side frame are composed of a first profile component frame, a second profile component frame, and a third profile component frame with different cross-sectional forms and arbitrarily combinable splicing. The second profile component frame is arranged between the first profile component frame and the third profile component frame, and the second profile component frame is spliced with the first profile component frame and the third profile component frame through a special-shaped joint surface. The profile structure platform laid on the box-type frame is composed of a first profile component frame, multiple second profile component frames, and a third profile component frame with different cross-sectional forms and arbitrarily combinable splicing. The multiple second profile component frames are sequentially spliced through special-shaped joint surfaces, and the first profile component frame and the third profile component frame are respectively connected in cooperation with the special-shaped joint surfaces on both sides of the multiple spliced second profile component frames through special-shaped joint surfaces. Special-shaped hollow cavities filled with sealing rubber strips are provided at the special-shaped joint surfaces of the second profile component frame and the third profile component frame. Anti-slip ribs are respectively provided on the upper surfaces of the second profile component frame and the third profile component frame. T-shaped grooves are provided on one side and the bottom of the first profile component frame, one side and the bottom of the second profile component frame, and the inner cavity and the bottom of the third profile component frame. Through holes are also provided on the end faces of the first profile component frame, the second profile component frame, and the third profile component frame.

[0007] Further, the special-shaped joint surfaces on the first profile component frame, the second profile component frame, and the third profile component frame are all arc-shaped curved structural surfaces composed of a convex arc surface and a concave arc surface that can cooperate with each other.

[0008] As another preferred embodiment of the present invention, frame support seats and frame connection plates are provided between the first side frame, the second side frame and the fire truck body. The frame support seats are connected to the bottom surface of the profile structure platform laid on the first side frame and the second side frame, the frame connection plates are connected to the inner vertical surfaces of the first side frame and the second side frame, and the other end of the frame support seat is welded to the outer surface of the chassis secondary beam of the fire truck body.

[0009] As another preferred embodiment of the present invention, the frame connection plate includes a bent plate and a vertical plate. The vertical plate is connected to the bent plate. The frame connection plate is welded and fixed to the first side frame and the second side frame respectively through the vertical plate, and the frame connection plate is connected to the frame support seat through the bent plate.

[0010] As another preferred embodiment of the present invention, a cross beam for carrying the profile structure platform is provided at the center of the top of the box-type frame. A locking connector is welded and fixed to the side surface of the cross beam at the top of the box-type frame, and the locking connector is fixedly connected in cooperation with the T-shaped groove at the bottom of the profile structure platform laid on the top of the box-type frame.

[0011] As another preferred embodiment of the present invention, the locking connection member includes a mounting plate, an angle plate, a fixing bolt, and a T-shaped nut. The mounting plate is welded and fixed to the side of the cross beam at the top of the box frame. The angle plate is connected to the mounting plate by the fixing bolt. The T-shaped nut is connected through the angle plate. One end of the T-shaped nut is a locking block, and the other end is a locking bolt threadedly connected to the locking block. The locking block of the T-shaped nut is fixedly connected in cooperation with the T-shaped groove at the bottom of the profile structure platform laid on the top of the box frame.

[0012] As another preferred embodiment of the present invention, the box frame is further provided with a waterway system pipeline placement rack, other electrical component placement racks, and an electrical control cabinet placement rack.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: The first side frame, the second side frame, and the box frame provided by the present invention form an overall body frame structure, which can be used to cooperate with the installation of electrical accessories, waterway systems, etc. on the fire truck chassis; the profile structure platform laid on the first side frame, the second side frame, and the box frame includes a plurality of profile component frames with different cross-sectional forms and can be arbitrarily combined and spliced. It can be quickly assembled, has a special cross-sectional shape, and is provided with a special-shaped joint surface for splicing. This special-shaped joint surface has a good anti-leakage effect, and is convenient for disassembly and maintenance, facilitating the use, maintenance, and repair of the fire truck in the later stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic diagram of a certain angle of the body bearing frame of an elevating jet fire truck with a profile structure platform of the present invention.

[0015] Figure 2 It is a three-dimensional structure schematic diagram of another angle of the body bearing frame of an elevating jet fire truck with a profile structure platform of the present invention.

[0016] Figure 3 It is a schematic diagram of the end cross-sectional structure of the profile structure platform of the present invention.

[0017] Figure 4 It is a schematic diagram of the end cross-sectional structure of the first profile component frame of the present invention.

[0018] Figure 5 It is a schematic diagram of the end cross-sectional structure of the second profile component frame of the present invention.

[0019] Figure 6 It is a schematic diagram of the end cross-sectional structure of the third profile component frame of the present invention.

[0020] Figure 7 It is a three-dimensional structure schematic diagram of a certain angle of the frame connecting plate of the present invention.

[0021] Figure 8This is a three-dimensional structural schematic diagram of another angle of the frame connecting plate of the present invention.

[0022] Figure 9 This is a three-dimensional structural schematic diagram of the locking connecting piece of the present invention.

[0023] Figure 10 This is a three-dimensional structural schematic diagram of the box-type frame laid with a profile structure platform of the present invention.

[0024] Figure 11 This is a three-dimensional structural schematic diagram of the box-type frame after removing the profile structure platform of the present invention.

[0025] Figure 12 This is a three-dimensional structural schematic diagram of the frame support seat of the present invention.

[0026] Figure 13 is Figure 1 an enlarged structural schematic diagram of part A of

[0027] Markings in the figure: 1 is the first side frame, 2 is the second side frame, 3 is the profile structure platform, 4 is the box-type frame, 5 is the frame support seat, 6 is the frame connecting plate, 7 is the cross beam, 8 is the locking connecting piece, 9 is the T-shaped groove, 10 is the first profile component frame body, 11 is the anti-slip rib, 12 is the through hole, 13 is the second profile component frame body, 14 is the third profile component frame body, 15 is the sealing rubber strip, 16 is the special-shaped hollow cavity, 17 is the special-shaped joint surface, 401 is the water system pipeline placement rack, 402 is the placement rack for other electrical components, 403 is the placement rack for the electrical control cabinet, 501 is the connection hole, 601 is the bent plate, 602 is the vertical plate, 801 is the mounting plate, 802 is the angle plate, 803 is the fixing bolt, 804 is the T-shaped nut, 8041 is the locking bolt, 8042 is the lock block. Specific Embodiments

[0028] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention and are not used to limit the present invention.

[0029] Refer to Figures 1 to 13As shown in the figure, a lifting jet fire truck body bearing frame for laying a profiled structure platform 3 includes a first side frame 1, a second side frame 2, and a box frame 4. The first side frame 1 and the second side frame 2 are respectively fixed on the left and right sides of the fire truck body and leave a placement space for the tires. The box frame 4 is fixed at the tail of the fire truck body. The box frame 4 is connected to the first side frame 1 and the second side frame 2. The profiled structure platform 3 is laid on the tops of the first side frame 1, the second side frame 2, and the box frame 4. The areas of the profiled structure platforms 3 laid on the first side frame 1 and the second side frame 2 respectively match the areas of the tops of the first side frame 1 and the second side frame 2. The area of the profiled structure platform 3 laid on the box frame 4 matches the area of the top of the box frame 4. The profiled structure platform 3 includes a plurality of profiled component frames with different cross-sectional forms and can be arbitrarily combined and spliced. The joint surfaces at the splicing positions between every two profiled component frames are all special-shaped joint surfaces 17. A special-shaped hollow cavity 16 is provided at each special-shaped joint surface 17 of the profiled structure platform. A sealing rubber strip 15 is inserted into each special-shaped hollow cavity 16. The outer surface of each sealing rubber strip 15 is closely attached to the inner surface of each special-shaped hollow cavity where it is located and the special-shaped joint surface 17.

[0030] The profiled structure platforms 3 laid on the first side frame 1 and the second side frame 2 are composed of a first profiled component frame 10, a second profiled component frame 13, and a third profiled component frame 14 with different cross-sectional forms and can be arbitrarily combined and spliced. The second profiled component frame 13 is arranged between the first profiled component frame 10 and the third profiled component frame 14. The second profiled component frame 13 is spliced with the first profiled component frame 10 and the third profiled component frame 14 through the special-shaped joint surface 17. The profiled structure platform 3 laid on the box frame 4 is composed of a first profiled component frame 10, a plurality of second profiled component frames 13, and a third profiled component frame 14 with different cross-sectional forms and can be arbitrarily combined and spliced. The plurality of second profiled component frames 13 are sequentially spliced through the special-shaped joint surface 17. The first profiled component frame 10 and the third profiled component frame 14 are respectively connected in cooperation with the special-shaped joint surfaces 17 on both sides of the plurality of spliced second profiled component frames 13 through the special-shaped joint surface 17. Special-shaped hollow cavities 16 filled with sealing rubber strips 15 are provided at the special-shaped joint surfaces 17 of the second profiled component frame 13 and the third profiled component frame 14. Anti-slip ribs 11 are respectively arranged on the upper surfaces of the second profiled component frame 13 and the third profiled component frame 14.

[0031] Specifically, four groups of anti-slip ribs 11 are arranged at equal intervals on the upper surface of the second profile component frame 13, and one group of anti-slip ribs 11 is provided on the upper surface of the third profile component frame 14; T-shaped grooves 9 are provided on one side and the bottom of the first profile component frame 10, one side and the bottom of the second profile component frame 13, and the inner cavity and the bottom of the third profile component frame 14. Through holes 12 are also provided on the end faces of the first profile component frame 10, the second profile component frame 13, and the third profile component frame 14. The through holes 12 can be tapped and then end face covers can be installed to make the end face structures of the first profile component frame 10, the second profile component frame 13, and the third profile component frame 14 more beautiful; the first profile component frame 10, the second profile component frame 13, and the third profile component frame 14 are all profile frames made of aluminum alloy material, with a relatively light overall weight, which is an excellent material for vehicle use.

[0032] The special-shaped joint surfaces 17 on the first profile component frame 10, the second profile component frame 13, and the third profile component frame 14 are all arc-shaped curved structural surfaces composed of a convex arc surface and a concave arc surface that can cooperate with each other; the arc-shaped curved structure at the junction of the first profile component frame 10, the second profile component frame 13, and the third profile component frame 14 can effectively prevent liquid (water flow) from leaking down to the lower part of the profile structure platform 3 through this junction.

[0033] Frame support seats 5 and frame connecting plates 6 are provided between the first side frame 1, the second side frame 2 and the fire truck body. The frame support seats 5 are connected to the bottom surface of the profile structure platform 3 laid on the first side frame 1 and the second side frame 2. The frame connecting plates 6 are connected to the inner vertical surfaces of the first side frame 1 and the second side frame 2. The other end of the frame support seat 5 is welded to the outer surface of the chassis secondary beam of the fire truck body; the frame connecting plate 6 includes a bent plate 601 and a vertical plate 602. The vertical plate 602 is connected to the bent plate 601. The frame connecting plate 6 is welded and fixed to the first side frame 1 and the second side frame 2 respectively through the vertical plate 602. The frame connecting plate 6 is connected to the frame support seat 5 through the bent plate 601.

[0034] At the center of the top of the box - type frame 4, there is a cross - beam 7 for carrying the profile structure platform 3. A locking connection part 8 is welded and fixed on the side of the cross - beam 7 at the top of the box - type frame 4. The locking connection part 8 is fixedly connected in a matching way with the T - shaped groove 9 at the bottom of the profile structure platform 3 laid on the top of the box - type frame 4, so that the profile structure platform 3 can be firmly fixed on the top of the box - type frame 4. The locking connection part 8 includes a mounting plate 801, an angle plate 802, a fixing bolt 803, and a T - shaped nut 804. The mounting plate 801 is welded and fixed on the side of the cross - beam 7 at the top of the box - type frame 4. The angle plate 802 is connected to the mounting plate 801 through the fixing bolt 803. The T - shaped nut 804 is penetrated and connected to the angle plate 802. One end of the T - shaped nut 804 is a locking block 8042, and the other end is a locking bolt 8041 threadedly connected to the locking block 8042. The locking block 8042 of the T - shaped nut 804 is fixedly connected in a matching way with the T - shaped groove 9 at the bottom of the profile structure platform 3 laid on the top of the box - type frame 4.

[0035] In addition, in the present invention, the horizontally - arranged T - shaped groove 9 at the bottom of the profile structure platform 3 can not only be used to cooperate with the connection of the locking connection part 8 to realize the fixation of the platform itself, but also be used to hoist fire - fighting tools, small equipment, etc. placed in the internal space of the box - type frame 4. The vertically - arranged T - shaped groove 9 inside the profile structure platform 3 can also be opened at its lower part for hanging fire - fighting tools.

[0036] The bottom of the frame support seat 5 is also provided with a locking connection part 8. The frame support seat 5 is provided with a connection hole 501. The locking block 8042 of the T - shaped nut 804 of the locking connection part 8 passes through the connection hole 501 on the frame support seat 5 and is fixedly connected in a matching way with the T - shaped groove 9 at the bottom of the profile structure platform 3 laid on the first side frame 1 and the second side frame 2. Through the locking connection part 8, the frame support seat 5 can be firmly connected to the bottom of the profile structure platform 3 laid on the first side frame 1 and the second side frame 2.

[0037] Specifically, by screwing the locking bolt 8041, the locking block 8042 can be fixed in the T - shaped groove 9 at the bottom of the profile structure platform 3.

[0038] The box - type frame 4 is also provided with a water - way system pipeline placement rack 401, other electrical component placement racks 402, and an electrical control cabinet placement rack 403. The main function of each placement rack is to install electrical control cabinets, other electrical components, electrical control panels, and water - way system pipelines.

[0039] Specifically, the profile structure platform 3 of the present invention is composed of profile component frames with different cross-sectional forms. Each profile component frame is provided with a special-shaped joint surface 17 that can be combined and spliced and has a waterproof effect, and they are used in combination with each other. Among them, the number of the second profile component frames 13 can be increased or decreased according to the laying width, and the usage method is flexible. For example, the number of the second profile component frames 13 laid on the box frame 4 is more than that laid on the first side frame 1 and the second side frame 2. The connection and fixation between the first profile component frame 10, the second profile component frame 13, and the third profile component frame 14 are flexible and reliable.

[0040] In the production and manufacturing activities of fire trucks, the use of the profile structure platform 3 described in the present invention helps to improve the production efficiency of fire trucks, reduce the production cost of fire trucks, improve the quality of fire trucks, and increase the aesthetic degree of fire trucks. The key to the application of profiles lies in their different cross-sectional shapes, and profiles with different cross-sectional shapes play different roles. For the application length of profiles, it generally changes with different application scenarios.

[0041] It can be understood that the above specific description of the present invention is only for explaining the present invention and is not limited to the technical solutions described in the embodiments of the present invention. Those of ordinary skill in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effect. As long as it meets the usage requirements, it is within the protection scope of the present invention.

Claims

1. A lifting jet fire truck body load-bearing frame for laying a profiled structure platform, characterized in that: It includes a first side frame, a second side frame, and a box frame. The first side frame and the second side frame are respectively fixed on the left and right sides of the fire truck body and leave a placement space for the tires. The box frame is fixed at the rear of the fire truck body. The box frame is connected to the first side frame and the second side frame. Profile structure platforms are laid on the tops of the first side frame, the second side frame, and the box frame. The areas of the profile structure platforms laid on the first side frame and the second side frame are respectively adapted to the areas of the tops of the first side frame and the second side frame. The area of the profile structure platform laid on the box frame is adapted to the area of the top of the box frame. The profile structure platform includes a plurality of profile component frames with different cross-sectional forms and that can be arbitrarily combined and spliced. The joint surfaces at the splicing positions between every two profile component frames are all special-shaped joint surfaces. Special-shaped hollow cavities are provided at each special-shaped joint surface of the profile structure platform. Sealing rubber strips are plugged in each special-shaped hollow cavity. The outer surface of each sealing rubber strip is closely attached to the inner surface of each special-shaped hollow cavity and the special-shaped joint surface where it is located. The profile structure platforms laid on the first side frame and the second side frame are composed of first profile component frames, second profile component frames, and third profile component frames with different cross-sectional forms and that can be arbitrarily combined and spliced. The second profile component frames are arranged between the first profile component frames and the third profile component frames. The second profile component frames are spliced with the first profile component frames and the third profile component frames through special-shaped joint surfaces. The profile structure platform laid on the box frame is composed of first profile component frames, a plurality of second profile component frames, and third profile component frames with different cross-sectional forms and that can be arbitrarily combined and spliced. The plurality of second profile component frames are sequentially spliced through special-shaped joint surfaces. The first profile component frame and the third profile component frame are respectively connected in cooperation with the special-shaped joint surfaces on both sides of the plurality of spliced second profile component frames through special-shaped joint surfaces. Special-shaped hollow cavities plugged with sealing rubber strips are provided at the special-shaped joint surfaces of the second profile component frames and the third profile component frames. Anti-slip ribs are respectively arranged on the upper surfaces of the second profile component frames and the third profile component frames. T-shaped grooves are arranged on one side and the bottom of the first profile component frame, one side and the bottom of the second profile component frame, and the inner cavity and the bottom of the third profile component frame. Through holes are also arranged on the end faces of the first profile component frame, the second profile component frame, and the third profile component frame. The special-shaped joint surfaces on the first profile component frame, the second profile component frame, and the third profile component frame are all arc-shaped curved structure surfaces composed of a convex arc surface and a concave arc surface that can cooperate with each other.

2. The body bearing frame of an elevated telescopic nozzle fire truck for laying a profiled structure platform according to claim 1, characterized in that: Frame support seats and frame connecting plates are arranged between the first side frame, the second side frame and the fire truck body. The frame support seats are connected to the bottom surfaces of the profile structure platforms laid on the first side frame and the second side frame. The frame connecting plates are connected to the inner vertical surfaces of the first side frame and the second side frame. The other end of the frame support seat is welded to the outer facade of the chassis secondary beam of the fire truck body.

3. The body load-bearing frame of an elevated telescopic fire truck for laying a profiled structure platform according to claim 2, characterized in that: The frame connecting plate includes a bent plate and a vertical plate. The vertical plate is connected to the bent plate. The frame connecting plate is fixedly welded to the first side frame and the second side frame respectively through the vertical plate, and the frame connecting plate is connected to the frame support seat through the bent plate.

4. The body bearing frame of an elevated telescopic nozzle fire truck for laying a profile structure platform according to claim 1, characterized in that: A cross beam for carrying the profile structure platform is arranged at the center of the top of the box-type frame. A locking connecting piece is fixedly welded to the side of the cross beam at the top of the box-type frame, and the locking connecting piece is fixedly connected in a matching manner with a T-shaped groove at the bottom of the profile structure platform laid on the top of the box-type frame.

5. The body load-bearing frame of an elevated telescopic nozzle fire truck for laying a profiled structure platform according to claim 4, characterized in that: The locking connecting piece includes a mounting plate, an angle plate, a fixing bolt, and a T-shaped nut. The mounting plate is fixedly welded to the side of the cross beam at the top of the box-type frame. The angle plate is connected to the mounting plate through the fixing bolt. The T-shaped nut is penetrated and connected to the angle plate. One end of the T-shaped nut is a locking block, and the other end is a locking bolt threadedly connected to the locking block. The locking block of the T-shaped nut is fixedly connected in a matching manner with a T-shaped groove at the bottom of the profile structure platform laid on the top of the box-type frame.

6. The body bearing frame of an elevated turret fire truck for laying a profiled structure platform according to claim 1, characterized in that: The box-type frame is further provided with a waterway system pipeline placement rack, an other electrical component placement rack, and an electrical control cabinet placement rack.

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