Platform structure for tank top of composite material tank car

Abstract

The utility model discloses a platform structure for a tank top of a composite material tank car, which belongs to the technical field of parts of transportation tank cars and comprises a front platform and a rear platform which are made of composite materials. The front platform comprises a groove-shaped platform shell, and a platform connecting part is arranged in the circumferential direction of the platform shell; the platform shell comprises a platform top plate with a plurality of mounting holes, platform side plates and platform end plates; platform metal embedded parts are arranged at the positions, where the mounting holes are formed, of the platform top plate and the platform end plate. A platform composite fixing piece is arranged on the outer side of the platform metal embedded part and used for fixing the platform metal embedded part and the platform shell. Compared with a traditional metal platform, the weight of the platform structure made of the composite material is reduced by 40%, and more products can be transported. And the used composite material is corrosion-resistant and long in service life. A plurality of mounting holes are formed in the platform and can be used for mounting a safety rope, a lamp holder, a handrail, a pipeline and the like, convenience is provided for multifunctional integration, and multifunctional integration of the front platform and the rear platform is achieved.

Description

Technical Field

[0001] This utility model relates to a platform structure for the top of a composite tank truck, belonging to the technical field of composite tank trucks for transportation. Background Technology

[0002] Currently, most tank trucks on the market are made of carbon steel, stainless steel, or aluminum alloy. Construction methods involve welding or securing them to an integral vehicle frame or semi-trailer using metal straps. The top platform of the tank truck is primarily a metal structure. There is a market demand for lightweight, high-performance tank truck structures and materials to replace the existing metal structures and enhance companies' competitive advantage in the tank truck transportation sector.

[0003] New composite material tank bodies reduce weight by 40% or more compared to metal tanks, thus lowering freight costs per trip. Composite material tank truck bodies offer advantages such as acid and alkali resistance, allowing the transport of various media, including water, food products, oils, acidic media, alkaline media, and other chemical media, making them more versatile and economical. They also offer a service life of 15-20 years with minimal maintenance.

[0004] Existing tank trucks and their rooftop connecting platforms are all metal structures, providing connection interfaces for light fixtures, ladders, safety ropes, and safety handrails. The platform is welded to the tank body, resulting in a large amount of welding. Metal structures are prone to corrosion and have a short lifespan. Furthermore, the metal structure makes the tank truck heavier overall. Therefore, how to manufacture a platform structure for the roof of composite tank trucks has become a problem to be solved. Utility Model Content

[0005] To address the aforementioned technical problems, this utility model provides a platform structure for the top of composite tank trucks.

[0006] To solve the above-mentioned technical problems, the purpose of this utility model is achieved as follows:

[0007] The present invention relates to a platform structure for the top of a composite tank truck, comprising a front platform and a rear platform made of composite materials;

[0008] The front platform includes a groove-shaped platform shell, and the platform shell is provided with a platform connecting part in the circumferential direction;

[0009] The platform housing includes a platform top plate, a platform side plate, and a platform end plate, which are provided with a plurality of mounting holes;

[0010] Platform metal embedded parts are provided at the locations of the mounting holes on the platform top plate and platform end plate; platform composite material fixing pieces are provided on the outside of the platform metal embedded parts for fixing the platform metal embedded parts to the platform shell.

[0011] Based on the above scheme and as a preferred embodiment of the above scheme: a handrail and a safety rope are provided between the front platform and the rear platform.

[0012] Based on the above scheme and as a preferred embodiment of the above scheme: one end of the safety rope is connected to the front platform via a spring, and the other end is connected to the rear platform via a spring.

[0013] Based on the above scheme and as a preferred embodiment of the above scheme: the handrail is a composite material pultruded tube.

[0014] Based on the above scheme and as a preferred embodiment of the above scheme: the connection between the platform top plate and the platform end plate is chamfered.

[0015] The beneficial effects of this utility model are as follows: The platform structure for the top of a composite tank truck involved in this utility model, made of composite material, reduces weight by 40% compared to traditional metal platforms, allowing for the transport of more products. The composite material used is corrosion-resistant and has a long service life. Furthermore, the platform is equipped with several mounting holes for installing safety ropes, light fixtures, handrails, pipelines, etc., facilitating multi-functional integration and achieving multi-functional integration of the front and rear platforms. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the front platform involved in this utility model;

[0017] Figure 2 This is a cross-sectional view of the connection between the front platform and the inner core shell;

[0018] Figure 3 This is a 3D structural diagram of a composite material tanker truck;

[0019] Figure 4 This is a three-dimensional structural diagram of the inner core shell;

[0020] Figure 5 This is a structural diagram of the connection between the upper inner shell and the lower inner shell;

[0021] Figure 6 This is a 3D structural diagram of the wave deflector;

[0022] Figure 7 This is a diagram of the bead structure at the connection between the wave deflector and the inner core shell;

[0023] Figure 8 This is a 3D structural diagram of the fluid collection box;

[0024] Figure 9 It is a three-dimensional structural diagram of the composite material box shell;

[0025] Figure 10 This is a cross-sectional view of the connection between the composite box shell and the inner core shell;

[0026] Figure 11 It is a three-dimensional structural diagram of the supporting structure;

[0027] Figure 12 yes Figure 9 Exploded structure diagram;

[0028] Figure 13 This is a structural diagram of the connection between the support structure and the underframe assembly;

[0029] Figure 14 This is a 3D structural diagram of the chassis assembly;

[0030] Figure 15 This is a cross-sectional structural diagram of the valve port structure involved in this utility model;

[0031] Figure 16 This is a 3D structural diagram of the unloading flange;

[0032] Figure 17 This is a 3D structural diagram of a composite corrosion-resistant component;

[0033] Figure 18 yes Figure 17 Cross-sectional structural diagram;

[0034] Figure 19 This is a cross-sectional view of the platform connection structure involved in the embodiment;

[0035] Figure 20 yes Figure 19 A magnified view of a section at point A in the middle;

[0036] Figure 21 This is an exploded structural diagram of the connecting pipe fitting fixing assembly;

[0037] Figure 22 This is a three-dimensional structural diagram of the composite material support plate.

[0038] The markings in the diagram are explained as follows: 1-Support structure; 2-Base frame assembly; 3-Support structure; 4-Baffle plate; 5-Collection box; 6-Drain pipe; 7-Front platform; 8-Rear platform; 9-Handrail; 10-Safety rope; 11-Upper inner core shell; 12-Lower inner core shell; 13-Manhole; 14-Safety valve hole; 15-Exhaust port; 16-Composite perimeter seal; 17-Manhole cover; 18-Safety valve; 19-Exhaust pipe; 20-Indicator light; 21-Stretcher layer; 22-Anti-corrosion coating; 23-Anti-slip mat; 20 1-Base frame longitudinal beam; 202-Base frame cross beam; 203-Traction pin plate; 204-Base frame reinforcing plate; 205-Base frame reinforcing upright plate; 31-Composite support plate; 32-Composite connecting block; 33-Lightweight filler; 34-Metal connector; 35-Fixing strap; 36-Shock damping pad; 41-First anti-surge hole; 42-Notch; 43-Anti-surge plate connecting section; 44-Third composite fixing plate; 45-Fourth composite fixing plate; 46-Second anti-surge hole; 51-Composite box shell; 52-First composite fixing plate; 53- Second composite fixing plate; 54-Drain hole; 55-Shell connecting section; 56-Drain groove; 71-Platform shell; 72-Platform connecting part; 73-Mounting hole; 74-Platform metal embedded part; 75-Platform composite fixing plate; 701-Platform top plate; 702-Platform side plate; 703-Platform end plate; 121-Unloading flange; 122-Composite anti-corrosion component; 1211-Flange body; 1212-Annular protrusion; 1213-Flange connecting section; 1214-Connecting through hole; 1215-Flange Connecting hole; 1221-Corrosion-resistant component main body; 1222-Corrosion-resistant component fixing section; 1223-Connecting protrusion; 24-Connecting pipe fixing assembly; 25-Composite support plate; 26-Connecting pipe fitting; 241-Support base composite fixing piece; 242-Support base clamping plate; 243-Clip; 2421-Support base bottom plate; 2422-Support base clamping plate; 2423-Clamping plate fixing hole; 2431-Semi-circular groove; 2432-Clip fixing hole; 251-Arc-shaped groove; 252-Support plate fixing hole. Detailed Implementation

[0039] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0040] Combination Figure 1 and Figure 2 This invention provides a detailed description of the present invention. The present invention relates to a platform structure for the top of a composite tank truck, comprising a front platform 7 and a rear platform 8 made of composite materials; the front platform 7 and the rear platform 8 have identical structures, both integrally molded from composite materials, allowing for rapid mass production.

[0041] like Figure 1 and Figure 2As shown, the front platform 7 includes a groove-shaped platform shell 71, and a platform connecting part 72 is provided circumferentially on the platform shell 71 for fixing the front platform 7 to the tank body 1. The platform shell 71 includes a platform top plate 701, a platform side plate 702, and a platform end plate 703 with a plurality of mounting holes 73; platform metal embedded parts 74 are provided at the positions of the mounting holes 73 on the platform top plate 701 and the platform end plate 703; platform composite material fixing pieces 75 are provided on the outer side of the platform metal embedded parts 74 for fixing the platform metal embedded parts 74 to the platform shell 71. The connection between the platform top plate 701 and the platform end plate 703 is chamfered.

[0042] A handrail 9 and a safety rope 10 are provided between the front platform 7 and the rear platform 8. The handrail 9 is a composite material pultruded tube. One end of the safety rope 10 is connected to the front platform 7 by a spring, and the other end is connected to the rear platform 8 by a spring.

[0043] The composite material used in this embodiment is a carbon fiber composite, glass fiber composite, or a carbon fiber / glass fiber hybrid composite. The appropriate composite material can be selected for each component based on its specific needs.

[0044] This embodiment involves a composite material tanker truck, such as... Figure 3 As shown, the assembly includes a tank body 1 and a base frame assembly 2 connected by a support structure 3. The tank body 1 includes an inner core shell and a winding layer 21 wrapped around the outside of the shell; the inner surface of the inner core shell is coated with an anti-corrosion coating 22; the inner core shell includes an upper inner core shell 11 and a lower inner core shell 12 made of composite material, which are fixedly connected. Both the upper inner core shell 11 and the lower inner core shell 12 are integrally molded from composite materials using a mold, and then assembled using tooling equipment. The anti-corrosion coating 22 uses MFE-W1 high-performance epoxy vinyl ester resin, a high-temperature wear-resistant resin.

[0045] like Figure 4 As shown, the upper inner core housing 11 is provided with a manhole 13, a safety valve hole 14, and a vent hole 15, and the bottom of the lower inner core housing 12 is provided with a discharge hole. The manhole 13 allows operators to enter the interior of the inner core housing for operations. Figure 5 As shown, the edge of the upper inner core shell 11 is fitted over the outer side of the lower inner core shell 12, and a composite material circumferential seal 16 is provided on the inner side. After assembling the upper inner core shell 11 and the lower inner core shell 12, the composite material circumferential seal 16 is used to seal the connection. The winding layer 21 is formed by using a composite material wet winding process, where the composite material is wound around the outer side of the inner core shell and then cured.

[0046] The tank body 1 has a manhole cover 17 connected to the manhole 13 via a connecting flange, a safety valve 18 connected to the safety valve hole 14 via a connecting flange, and an exhaust pipe 19 connected to the exhaust hole 15. Furthermore, an exhaust valve is connected to the discharge hole via a connecting flange for discharging materials.

[0047] A predetermined number of wave-damping plates 4, made of composite material, are fixedly installed inside the inner core shell. For example... Figure 6 As shown, the wave deflector 4 is provided with first wave deflector holes 41 arranged radially, and the first wave deflector holes 41 of two adjacent wave deflector plates 4 have a set included angle. Specifically, the included angle can be 30°-90°. In this embodiment, the included angle of two adjacent first wave deflector holes 41 is 90°, i.e., they are perpendicular to each other. Furthermore, two adjacent wave deflector plates 4 have a set spacing, which can be adjusted according to actual needs. Wave deflector plates with a certain included angle can reduce the waves formed by the liquid inside the tank during acceleration or deceleration.

[0048] Furthermore, the edge of the wave deflector 4 is evenly distributed with several notches 42, and a wave deflector connecting section 43 extending to one side is provided circumferentially; a third composite fixing piece 44 and a fourth composite fixing piece 45 are provided on both sides of the wave deflector 4 for fixed connection with the inner core shell; a second wave deflector hole 46 is provided on both sides of the first wave deflector hole 41. Figure 7 As shown, when the wave deflector 4 is fixedly connected to the inner core shell, the third composite fixing piece 44 covers the wave deflector connecting section 43, and part of it is connected to the main body of the wave deflector 4, while the other part is connected to the inner wall of the inner core shell; part of the fourth composite fixing piece 45 is also connected to the main body of the wave deflector 4, and the other part is also connected to the inner wall of the inner core shell; after the third composite fixing piece 44 and the fourth composite fixing piece 45 are cured, the wave deflector 4 can be fixed to the inner core shell.

[0049] The tank body 1 is fixedly equipped with a liquid collection box 5 and a platform structure at the location of the manhole 13. The bottom of the liquid collection box 5 is provided with a drain hole 54, which is connected to a drain pipe 6. Figure 8 , Figure 9 and Figure 10As shown, the liquid collection box 5 includes a composite shell 51, and a first composite fixing piece 52 and a second composite fixing piece 53 for connecting the composite shell 51 to the tank body 1. The composite shell 51 has an inwardly extending shell connecting section 55 on the side near the tank body 1. A drainage groove 56 is provided on the first composite fixing piece 52. The bottom of the composite shell 51 matches the tank body 1 and is arc-shaped. The shell connecting section 55 provided inside the composite shell 51 makes it more secure when combined with the tank body. The composite shell 51 is placed on the outside of the tank body 1. The first composite fixing piece 52 covers the upper part of the shell connecting section 55, with one part connected to the side wall of the composite shell 51 and the other part connected to the tank body 1. Similarly, part of the second composite fixing piece 53 is also connected to the side wall of the composite shell 51, and the other part is also connected to the tank body 1. After curing, the first composite fixing plate 52 and the second composite fixing plate 53 fix the composite housing 51 to the tank body. The drainage trough 56 is formed by curing composite materials and resin and is fixed to the first composite fixing plate 52. To achieve a seepage-proof effect, a seepage-proof coating can also be applied to its surface.

[0050] Furthermore, such as Figure 11 , Figure 12 As shown, the support structure 3 includes a composite support plate 31 fixedly connected to the outer surface of the tank 1, and a composite connecting block 32 fixed on the composite support plate 31; a receiving space is formed between the composite connecting block 32 and the composite support plate 31, which is filled with a lightweight filler 33; a metal connector 34 is pre-embedded in the receiving space, and the metal connector 34 is provided with a threaded connection hole for fixed connection with the base frame assembly 2; the width of the composite connecting block 32 is smaller than the width of the composite support plate 31; fixing straps 35 are provided on both sides of the composite connecting block 32, and the fixing straps 35 are wrapped around the outside of the tank 1.

[0051] The composite support plate 31 and composite connecting block 32 are integrally molded from composite materials. Furthermore, the shape of the composite support plate 31 matches the shape of the tank body 1; specifically, in this invention, the composite support plate 31 has an arc-shaped structure. Conventionally used metal support structures weigh at least 110 kg, while the composite material support structure weighs only 34 kg. Moreover, at least six support structures are required on a single tank body 10, resulting in a weight reduction of at least 456 kg.

[0052] The width of the composite connecting block 32 is smaller than the width of the composite support plate 31; fixing straps 35 are provided on both sides of the composite connecting block 32, and the fixing straps 35 are wrapped around the outside of the tank body 1. The fixing straps 35 are also composite materials, specifically carbon fiber webbing.

[0053] Furthermore, the lightweight filler 33 is a foamed material or balsa wood, but other lightweight materials can also be selected. In this embodiment, it can be a foamed material, such as polyurethane foam or EVA foam.

[0054] Generally, tanks have at least six supporting structures. Composite tank support structures are integrated with the tank body and have a rational design, preventing localized stress concentration during vehicle travel. For example... Figure 13 As shown, a shock-absorbing pad 36 is provided between the composite material connecting block 32 and the base frame assembly 2 to reduce vibration and extend its service life.

[0055] Furthermore, the shock-absorbing pad 6 can be made of rubber or polyurethane, or other elastic shock-absorbing materials.

[0056] Two liquid collection boxes 5 are installed between the front platform 7 and the rear platform 8, and a pultruded pipe fitting is installed between the two liquid collection boxes 5, so that the liquid in both liquid collection boxes 5 can be discharged through the drain pipe 6. The pultruded pipe fitting is fixedly connected to the tank body 1 by a metal embedded part.

[0057] Furthermore, a safety rope 10 is connected between the front platform 7 and the rear platform 8 via a spring. One end of the safety rope 10 is connected to the front platform 7 via a spring, and the other end is connected to the rear platform via another spring. Indicator lights 20 are provided on the front platform 7 and the rear platform 8. Anti-slip mats 23 are also provided between the handrails 9 on both sides of the top of the tank 1. The anti-slip mats 23 can be made of PVC or other materials.

[0058] Furthermore, such as Figure 15 As shown, the valve structure installed at the discharge port on tank 1 includes a discharge flange 121 and a composite anti-corrosion component 122. The composite anti-corrosion component 122 is formed by curing a composite material with resin, and the composite material has good anti-corrosion effect. The discharge flange 121 is a metal part that connects to the discharge valve.

[0059] like Figure 16 As shown, the unloading flange 121 includes a flange body 1211 in the shape of a barrel head. One end of the flange body 1211 is provided with an inwardly extending annular protrusion 1212, and the other end is provided with an outwardly extending flange connection section 1213. Figure 17 and Figure 18As shown, the composite corrosion-resistant component 122 includes a corrosion-resistant component body 1221 that wraps around the flange body 1211 and the annular protrusion 1212; one end of the corrosion-resistant component body 1221 is provided with a corrosion-resistant component fixing section 1222 that covers the surface of the flange connection section 1213. The flange body 1211 has a flange connection hole 1215 at its end, and the corrosion-resistant component body 1221 has a hole at a corresponding position to the flange connection hole 1215. The flange connection hole 1215 is used to connect the unloading flange 121 and the unloading valve.

[0060] Furthermore, the flange connection section 1213 is provided with a connection through hole 1214; the anti-corrosion component fixing section 1222 is provided with a connection protrusion 1223 corresponding to the connection through hole 1214. The connection protrusion 1223 is inserted into the connection through hole 1214, making the connection between the unloading flange 121 and the composite anti-corrosion component 122 more secure.

[0061] Furthermore, the surface of the composite anti-corrosion component 122 is coated with an anti-corrosion coating, which further improves the anti-corrosion effect.

[0062] Furthermore, the annular protrusion 1212 has an inclined surface 1215. The composite material used in the composite corrosion-resistant component 122 is carbon fiber composite material, glass fiber composite material, or carbon fiber / glass fiber hybrid composite material.

[0063] Platform connection structures suitable for the top of composite tank trucks, such as Figure 19 and Figure 20 As shown, the system includes a connecting pipe fixing assembly 24 and two fixed composite support plates 25. The connecting pipe fixing assembly 24 is used to fix the pultruded pipe, which serves as the connecting pipe, to the tank body 1 of the tank truck. The composite support plates 25 are used to fix the connecting pipe 26 to the handrail 9. In this embodiment, the connecting pipe 26 is a composite material pultruded pipe, used to connect two liquid collection boxes 5 and to connect the liquid collection boxes 5 to the drain pipe 6.

[0064] like Figure 21 As shown, the connecting pipe fixing assembly 24 includes a composite material fixing piece 241 and a composite material support 242; the composite material support 242 includes a support base plate 2421 and two support clamping plates 2422. The support base plate 2421 is arc-shaped, conforming to the shape of the tank 1.

[0065] Two sleeves 243 are fixedly disposed between the two support base clamps 2422; each sleeve 243 is provided with a semi-circular groove 2431; the two sleeves 243 are arranged opposite to each other, so that the two semi-circular grooves 2431 clamp and fix the connecting pipe.

[0066] Furthermore, the support base clamping plate 2422 is provided with clamping plate fixing holes 2423, and the sleeve 243 is provided with sleeve fixing holes 2432. A fixing device can be used to pass through the clamping plate fixing holes 2423 and the sleeve fixing holes 2432, so that the sleeve 243 is fixed between the two support base clamping plates 2422. The fixing device used can be a bolt.

[0067] like Figure 22 As shown, the composite support plate 25 has arc-shaped grooves 251 at both ends. The two composite support plates 35 are arranged opposite each other, and the handrail 9 and the connecting pipe 26 are located in the arc-shaped grooves 251 at both ends of the composite support plate 25.

[0068] Furthermore, support plate fixing holes 252 are provided at corresponding positions of the two composite support plates 25. Bolts can be passed through the support plate fixing holes 252 on the two composite support plates 25 to fix the two composite support plates 35 together.

[0069] Furthermore, the jacket 243 includes a metal part and a composite material wrapped around the metal part; the composite material support plate 25, the composite material connecting piece 241, and the composite material support base 242 are made of composite materials.

[0070] Furthermore, such as Figure 14 As shown, the underframe assembly 2 includes two longitudinal beams 201, and several transverse beams 202 are arranged between the longitudinal beams 201. The longitudinal beams 201 are I-beams, and underframe reinforcing plates 205 are also provided on the longitudinal beams 201 for reinforcing the underframe assembly. Underframe reinforcing plates 204 are also provided at the connection between the transverse beams 202 and the longitudinal beams 201, and the reinforcing plates 204 are fixedly connected to the transverse beams 202 and the longitudinal beams 201, which can be welded. A traction pin plate 203 is also provided at one end of the underframe assembly 2.

[0071] In the preparation of the inner core shell, the upper inner core shell 11, the lower inner core shell 12, and the baffle plate 4 are prepared separately. The upper inner core shell 11 and the baffle plate 4 are then bonded together using tooling equipment and assembled with the lower inner core shell 12, and then bonded together again. A composite material circumferential seal 16 is installed on the inner side of the connection between the upper inner core shell 11 and the lower inner core shell 12 to seal the seam. Finally, anti-corrosion treatment is applied to the inner side of the inner core shell.

[0072] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

Claims

1. A platform structure for the top of a composite tank truck, characterized in that, Includes a front platform (7) and a rear platform (8) made of composite materials; The front platform (7) includes a groove-shaped platform housing (71), and the platform housing (71) is provided with a platform connecting part (72) in the circumferential direction. The platform housing (71) includes a platform top plate (701), a platform side plate (702), and a platform end plate (703) with a plurality of mounting holes (73). Platform metal embedded parts (74) are provided at the positions where mounting holes (73) are provided on the platform top plate (701) and platform end plate (703); platform composite fixing pieces (75) are provided on the outside of the platform metal embedded parts (74) for fixing the platform metal embedded parts (74) to the platform shell (71).

2. The platform structure for the top of a composite tank truck according to claim 1, characterized in that, A handrail (9) and a safety rope (10) are provided between the front platform (7) and the rear platform (8).

3. A platform structure for the top of a composite tank truck according to claim 2, characterized in that, One end of the safety rope (10) is connected to the front platform (7) via a spring, and the other end is connected to the rear platform (8) via a spring.

4. A platform structure for the top of a composite tank truck according to claim 2, characterized in that, The handrail (9) is a composite material pultruded tube.

5. A platform structure for the top of a composite tank truck according to claim 1, characterized in that, The connection between the platform top plate (701) and the platform end plate (703) is chamfered.

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