CN114890006A - Novel integrated bulletproof oil tank structure - Google Patents
Novel integrated bulletproof oil tank structure Download PDFInfo
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- CN114890006A CN114890006A CN202210568309.5A CN202210568309A CN114890006A CN 114890006 A CN114890006 A CN 114890006A CN 202210568309 A CN202210568309 A CN 202210568309A CN 114890006 A CN114890006 A CN 114890006A
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- 238000003466 welding Methods 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 21
- 229910000710 Rolled homogeneous armour Inorganic materials 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims description 15
- 239000011248 coating agent Substances 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000004880 explosion Methods 0.000 claims 1
- 239000002131 composite material Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012856 packing Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 30
- 238000010438 heat treatment Methods 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/02—Wall construction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/02—Large containers rigid
- B65D88/12—Large containers rigid specially adapted for transport
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2590/00—Component parts, details or accessories for large containers
- B65D2590/02—Wall construction
- B65D2590/023—Special coating or treatment of the internal surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2590/00—Component parts, details or accessories for large containers
- B65D2590/02—Wall construction
- B65D2590/026—Special coating or treatment of the external surface
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
The invention belongs to the technical field of bulletproof protection, and relates to a novel integrated bulletproof oil tank structure which comprises a cylinder body and an end plate and is characterized in that the cylinder body is an integrated structure formed by welding three cylinder sections along the length direction of the cylinder section, a tank opening component is arranged on the cylinder section in the middle, a reinforcing ring plate is arranged in the cylinder section in the middle and vertical to the length direction of the cylinder section, and the reinforcing ring plate is welded on the inner wall of the cylinder section in the middle; the bottom of the cylinder body is connected with two longitudinal beams in parallel, and the outer wall of the bottom of the cylinder body is connected with the longitudinal beams through a plurality of bearing rib plates; the materials in the cylinder and the end plate are homogeneous armor steel plates SF 550. The invention has the advantages that: the tank body is simple to manufacture, has strong bulletproof performance, and meets the C-level standard in GA668-2006 general technical conditions for police antiriot vehicles. The cost of the steel plate structure is greatly reduced compared with that of the armor made of composite materials. Can be used in large-scale train packing, and fully ensures the transportation safety and convenience of oil.
Description
Technical Field
The invention belongs to the technical field of bulletproof protection, and relates to a novel integrated bulletproof oil tank structure.
Background
The bulletproof oil tank is an important device for ensuring the safety of oil storage and transportation, and is also a main component of a bulletproof refueling truck or a bulletproof oil truck body structure, and the bulletproof oil truck is main equipment for ensuring oil supply of military, peace and military and armed police. Along with the change of recent international situation, conflict and war frequently occur, in order to meet the requirements of new-period combat, anti-terrorism, peace and other tasks, an oil tank structure with certain bulletproof protection capability is urgently required to be developed, and a short slab is supplemented for supporting the whole bulletproof of the refueling and oil-carrying vehicle. The transportation safety of oil is guaranteed, and personnel and equipment are reduced and threatened and damaged.
At present, most of the mainstream bulletproof oil tank structures are in an externally hung armor form, the traditional externally hung form has the problems that the welding structure is complex, the bulletproof performance is reduced after an externally hung steel plate is welded and heated, and the like, and in addition, the externally hung steel plate is heavy in weight and has high replacement difficulty if being punctured. The external hanging structure not only influences the overall dimension of the original vehicle, but also influences the maneuvering performance of the original vehicle. And if the composite material external armor is adopted, the cost is higher.
The invention discloses a bulletproof oil tank transport vehicle with application number 202110365811.1, which comprises an oil tank and a transport vehicle, wherein front and rear panels and left and right side panels of an oil tank body are armor plates with certain inclination angles, so that bouncing of impact shots is easily caused, or the thickness of the shots in the cutting direction is increased, and the bulletproof performance of the oil tank is improved. The armor plate increases the weight of the tank body, and the appearance of the original vehicle cannot be kept, so that the maneuverability of the refueling and oil transportation vehicle is influenced.
Chinese invention with application number 202110921452.3 discloses an integrated bulletproof oil tank, comprising: the side plates of the tank body and the operation cabin are formed by bending bulletproof steel plates, and the bent side surfaces of the tank body and the operation cabin form a cambered surface; the inner wall of the tank body is coated with an anti-corrosion static conductive coating, and the inner bottom of the tank body is horizontally fixed with a mounting bracket. The structure of the operation cabin makes the structure of the tank body complex, the space utilization rate is low, and the maintenance is inconvenient.
Disclosure of Invention
The invention aims to provide a novel integrated bulletproof oil tank structure, which overcomes the defects of the prior art, solves the problems that the external hanging structure of the conventional bulletproof oil tank is too complex, the self weight is too large, and the appearance and the maneuverability of the original vehicle are influenced, simultaneously solves the problems that the bulletproof performance of the conventional bulletproof steel plate is reduced after welding and the replacement is complicated after breakdown, and also solves the problem that the cost is too high if a composite armor is adopted, so that the integral bulletproof performance of a bulletproof oil refueling and oil transporting vehicle is realized, and the transportation safety of oil is ensured.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a novel integrated bulletproof oil tank structure comprises a cylinder body and an end plate, and is characterized in that the cylinder body is an integrated structure formed by welding three cylinder sections along the length direction of the cylinder body, and two ends of the cylinder body are respectively welded with the end plate in a sealing manner; a tank opening assembly is arranged on the centered cylinder section, a reinforcing ring plate is arranged in the centered cylinder section and is vertical to the length direction of the cylinder section, and the reinforcing ring plate is welded on the inner wall of the centered cylinder section; the thickness of the cylinder body is 2.4 mm-6.5 mm; the bottom of the cylinder is connected with two longitudinal beams in parallel, and the outer wall of the bottom of the cylinder is connected with the longitudinal beams through a plurality of bearing rib plates; the cylinder and the end plate are made of homogeneous armor steel plates SF550, and the cylinder and the end plate comprise the following chemical components in percentage by weight: 0.26-0.31% of C, 0.20-0.40% of Si, 0.75-1.10% of Mn, less than or equal to 0.015% of P, less than or equal to 0.01% of S, 0.75-1.10% of Cr, 1.05-1.30% of Ni, 0.25-0.45% of Mo, less than or equal to 0.25% of Cu, and the balance of iron and inevitable impurities, wherein the transverse yield strength is greater than or equal to 1300MPa, the tensile strength is greater than or equal to 1700MPa, the elongation is greater than or equal to 5%, the longitudinal impact power at minus 40 ℃ is greater than or equal to 20J, and the Brinell hardness from the surface to the core is 520 and 580 HBW.
Further, the homogeneous armor steel plate SF550 comprises the following chemical components in percentage by weight: 0.26-0.31% of C, 0.20-0.40% of Si, 0.75-1.10% of Mn, less than or equal to 0.015% of P, less than or equal to 0.01% of S, 0.75-1.10% of Cr, 1.05-1.30% of Ni, 0.25-0.45% of Mo, less than or equal to 0.25% of Cu, and the balance of iron and inevitable impurities.
Furthermore, the welding seams between the three cylinder sections are formed by welding through melting electrode inert gas shielded welding, and the welding conditions are as follows: the welding seam is welded by adopting a Y-shaped groove, the diameter phi of the welding wire is 1.2-2.0 mm, the arc voltage is 16-24V, and the welding current is 200-300A.
Furthermore, the bottom of the reinforcing ring plate is provided with a notch, and the two sides of the reinforcing ring are communicated with each other through the notch to form a channel.
Further, the cylinder sections are prefabricated and formed by adopting a hydraulic numerical control plate bending machine or a numerical control bending machine respectively.
Further, the section of the cylinder body is any one of an oval shape, a round shape and a hexagonal prism shape.
Furthermore, reinforced ring plate lightening holes are distributed on the reinforced ring plate, and the ratio of the sectional area of an inner hole of the annular reinforced ring plate to the sectional area of the cylinder body is 1: 1.15-1.35.
Further, the inner surfaces of the cylinder body and the end plates are coated with anticorrosive and antistatic coatings, and the outer surfaces of the cylinder body and the end plates are coated with military grade bulletproof and explosion-proof coatings; coating technical indexes of the coating are as follows: the solid content is more than or equal to 99.5 percent, and the gel time is less than or equal to 10 s; the tensile breaking strength is more than or equal to 45 Mpa; the tearing strength is more than or equal to 140N/mm, and the adhesive force is more than or equal to 18 Mpa; the impact resistance is more than or equal to 1.2kg.m, and the water absorption is less than or equal to 2 percent; the hardness (Shore A) is more than or equal to 90.
Furthermore, a plurality of bearing rib lightening holes are distributed on the bearing rib plate.
Further, the thickness of the military grade bulletproof and explosion-proof coating is 8-12 mm, and the acceptance standard is as follows: a79-model mini-submachine gun was used to test the bullet at 7.62mm in a shooting distance of 100m, and the bullet was embedded in the coating without puncture and bounce.
Compared with the prior art, the invention has the beneficial effects that:
1) the integrated structure can greatly reduce the structural weight, and the oiling oil truck adopting the structure can keep the appearance of the original truck as much as possible, thereby improving the maneuverability of the oiling oil truck. 2) The tank body is simple to manufacture and strong in bulletproof performance, and if the tank body is welded by a high-strength bulletproof steel plate with the thickness of 6.5mm, 20m shooting of a 95-type 5.8mm rifle using an 87-type 5.8mm common bullet can be resisted, so that the C-level standard in GA668-2006 general technical conditions for police antiriot vehicles is met. 3) Compared with a composite armor, the armor plate structure has the advantages that the cost is greatly reduced, and the maintenance is simple and convenient. 4) Can be used in large-scale train packing, and fully ensures the transportation safety and convenience of oil.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a perspective view of an embodiment of the present invention;
FIG. 3 is a front view of an embodiment of the present invention;
fig. 4 is a sectional view taken along line a-a of fig. 3.
In the figure: 1-cylinder section one, 2-cylinder section two, 3-cylinder section three, 4-end plate, 5-tank opening component, 6-reinforced ring plate, 7-longitudinal beam, 8-bearing rib plate, 9-channel, 10-bearing rib lightening hole, 11-cylinder body and 12-reinforced ring plate lightening hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
In the following examples, the homogeneous armor plate SF550 comprises the following chemical components in percentage by weight: 0.26-0.31% of C, 0.20-0.40% of Si, 0.75-1.10% of Mn, less than or equal to 0.015% of P, less than or equal to 0.01% of S, 0.75-1.10% of Cr, 1.05-1.30% of Ni, 0.25-0.45% of Mo, less than or equal to 0.25% of Cu, and the balance of iron and inevitable impurities. The smelting process comprises the following steps: firstly, smelting the molten steel into liquid molten steel in an electric furnace, then sending the molten steel into an LF furnace for refining for 30-35 minutes, and then sending the molten steel into a VD furnace for vacuum refining for 10-20 minutes; pouring the molten steel into steel ingots; annealing the steel ingot in an annealing furnace, controlling the heating speed at 15 ℃/h, preserving the heat for 160 hours when the temperature reaches 680-720 ℃, cooling to below 460 ℃ at the cooling speed of 35 ℃/h, and discharging. And (3) rolling the annealed steel billet into a steel plate, heating the steel plate in a stepping furnace, controlling the temperature rise speed to be 60 ℃/h and the initial rolling temperature to be 1200-1260 ℃, rolling the steel plate into a steel plate with the thickness of 6.5mm, and finally carrying out heat treatment on the steel plate to prepare the SF550 homogeneous armor steel plate.
Referring to fig. 1-4, which are schematic structural views of structural embodiments of the novel integrated bulletproof oil tank, the novel integrated bulletproof oil tank comprises a cylinder 11 and an end plate 4, wherein the cylinder 11 is an integrated structure formed by sequentially welding a cylinder section one 1, a cylinder section two 2 and a cylinder section three 3 along the length direction of the cylinder, the cylinder sections are respectively prefabricated by rolling by using a hydraulic numerical control plate rolling machine, and two ends of the cylinder 11 are respectively welded with the end plate 4 in a sealing manner; a tank opening assembly 5 is arranged on the second section of the cylinder section, a reinforcing ring plate 6 is arranged in the second section of the cylinder section in the vertical length direction, and the reinforcing ring plate 6 is welded on the inner wall of the second section of the cylinder section; the cylinder body 11 is formed by rolling a high-strength steel plate with the thickness of 6.5 mm; the bottom of the cylinder body 11 is connected with two longitudinal beams 7 in parallel, and the outer wall of the bottom of the cylinder body 11 is connected with the longitudinal beams 7 through a plurality of bearing rib plates 8; the cylinder 11 and the end plate 4 are made of homogeneous armor steel plates SF 550. A plurality of support rib lightening holes 10 are distributed on the support rib plate 8 and are used for lightening and strengthening the structure. The bottom of the reinforcing ring plate 6 is provided with a notch which enables the two sides of the reinforcing ring to be communicated to form a channel 9.
The end plate 4 is obtained by blanking through numerical control laser or water jet, the major axis of the ellipse is 1600mm, the minor axis is 1120mm, and the edge opening is provided with a groove to be welded for use. The welding seams among the three cylinder sections are formed by adopting melting electrode inert gas shielded welding, and the welding conditions are as follows: the welding seam is welded by adopting a Y-shaped groove, the diameter phi of the welding wire is 1.2-2.0 mm, the arc voltage is 16-24V, and the welding current is 200-300A. Under the same condition, the depth and the width of the groove can be increased, the weld penetration is slightly reduced, the residual height is obviously reduced, and the heat dissipation condition has obvious influence. Mechanical vibration can be applied to the welding rod for vibration welding, the metallographic structure of a welding line and a heat affected zone can be greatly improved by the mechanical vibration welding, and the structure of the welding line is obviously refined.
The cross section of the cylinder body 11 is oval, and the cylinder body is prefabricated and formed by a hydraulic numerical control plate bending machine, or any one of a round prism and a hexagonal prism can be selected according to the situation. The reinforcing ring plate 6 is distributed with reinforcing ring plate lightening holes 12, and the ratio of the inner hole sectional area of the annular reinforcing ring plate 6 to the sectional area of the cylinder body 11 is 1: 1.25.
The inner surfaces of the cylinder body 11 and the end plate 4 are coated with anticorrosive and antistatic coatings, and the outer surfaces of the cylinder body and the end plate are coated with military-grade bulletproof and explosion-proof coatings, so that the safety and the protection of the oil tank are further enhanced on the basis of novel structure and light weight.
The cylinder section I1, the cylinder section II 2 and the cylinder section III 3 are high-strength steel plates with the size of about 4300mm multiplied by 1500mm respectively, and after the high-strength steel plates are subjected to rolling treatment by a numerical control hydraulic plate rolling machine, the cylinder section I1 and the cylinder section III 3 are respectively assembled and welded with the end plate 4 to form two ends of the cylinder body. And after the second cylinder section 2 is rolled by a plate rolling machine, a reinforcing ring plate 6 and a tank opening assembly 5 are welded in the middle, and after the middle section is prefabricated, a specific tool is placed for fixing. The front section and the rear section are also fixed by a special tool and then integrally assembled and welded with the middle section, the welding adopts melting electrode inert gas shielded welding, the overall dimension of the oil tank main body after the welding is 4500mm in length, 1600mm in width and 1120mm in height, and the oil tank main body can contain 6 kiloliters of fuel oil. The tank body is simple to manufacture and strong in bulletproof performance, a barrel body with the thickness of 6.5mm can resist 20-meter shooting of a 95-type 5.8mm rifle by using an 87-type 5.8mm common bullet, and the C-level standard in GA668-2006 general technical conditions for police antiriot vehicles is met.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A novel integrated bulletproof oil tank structure comprises a cylinder body and an end plate, and is characterized in that the cylinder body is an integrated structure formed by welding three cylinder sections along the length direction of the cylinder body, and two ends of the cylinder body are respectively welded with the end plate in a sealing manner; a tank opening assembly is arranged on the centered cylinder section, a reinforcing ring plate is arranged in the centered cylinder section and is vertical to the length direction of the cylinder section, and the reinforcing ring plate is welded on the inner wall of the centered cylinder section; the thickness of the cylinder body is 2.4 mm-6.5 mm; the bottom of the cylinder is connected with two longitudinal beams in parallel, and the outer wall of the bottom of the cylinder is connected with the longitudinal beams through a plurality of bearing rib plates; the cylinder and the end plate are made of homogeneous armor steel plates SF550, and the cylinder and the end plate comprise the following chemical components in percentage by weight: 0.26-0.31% of C, 0.20-0.40% of Si, 0.75-1.10% of Mn, less than or equal to 0.015% of P, less than or equal to 0.01% of S, 0.75-1.10% of Cr, 1.05-1.30% of Ni, 0.25-0.45% of Mo, less than or equal to 0.25% of Cu, and the balance of iron and inevitable impurities, wherein the transverse yield strength is greater than or equal to 1300MPa, the tensile strength is greater than or equal to 1700MPa, the elongation is greater than or equal to 5%, the longitudinal impact power at minus 40 ℃ is greater than or equal to 20J, and the Brinell hardness from the surface to the core is 520 and 580 HBW.
2. The novel integrated bulletproof oil tank structure of claim 1, wherein the homogeneous armored steel plate SF550 comprises the following chemical components in percentage by weight: 0.26-0.31% of C, 0.20-0.40% of Si, 0.75-1.10% of Mn, less than or equal to 0.015% of P, less than or equal to 0.01% of S, 0.75-1.10% of Cr, 1.05-1.30% of Ni, 0.25-0.45% of Mo, less than or equal to 0.25% of Cu, and the balance of iron and inevitable impurities.
3. The novel integrated bulletproof oil tank structure as claimed in claim 1, wherein the welding seams between the three barrel sections are formed by welding through melting extreme inert gas shielded welding, and the welding conditions are as follows: the welding seam is welded by adopting a Y-shaped groove, the diameter phi of the welding wire is 1.2-2.0 mm, the arc voltage is 16-24V, and the welding current is 200-300A.
4. The novel integrated bulletproof oil tank structure as claimed in claim 1, wherein the bottom of the reinforcing ring plate is provided with a notch, and the notch enables two sides of the reinforcing ring to be communicated to form a channel.
5. The novel integrated bulletproof oil tank structure as claimed in claim 1, wherein the barrel sections are prefabricated and formed by a hydraulic numerical control plate rolling machine or a numerical control bending machine respectively.
6. The novel integrated bulletproof oil tank structure of claim 1, wherein the cross section of the cylinder body is any one of an oval shape, a circular shape and a hexagonal prism shape.
7. The novel integrated bulletproof oil tank structure as claimed in claim 1, wherein reinforcing ring plate lightening holes are distributed on the reinforcing ring plate, and the ratio of the inner hole sectional area of the annular reinforcing ring plate to the sectional area of the cylinder body is 1: 1.15-1.35.
8. The novel integrated bulletproof oil tank structure as claimed in claim 1, wherein the inner surfaces of the cylinder body and the end plates are coated with an anti-corrosion and anti-static coating, and the outer surfaces are coated with a military grade bulletproof and anti-explosion coating; coating technical indexes of the coating are as follows: the solid content is more than or equal to 99.5 percent, and the gel time is less than or equal to 10 s; the tensile breaking strength is more than or equal to 45 Mpa; the tearing strength is more than or equal to 140N/mm, and the adhesive force is more than or equal to 18 Mpa; the impact resistance is more than or equal to 1.2kg.m, and the water absorption is less than or equal to 2 percent; the hardness (Shore A) is more than or equal to 90.
9. The novel integrated bulletproof oil tank structure as claimed in claim 1, wherein a plurality of supporting rib lightening holes are distributed on the supporting rib plate.
10. The novel integrated bulletproof oil tank structure according to claim 8, wherein the military-grade bulletproof and explosion-proof coating is 8-12 mm in thickness, and the acceptance standard is as follows: a79-model mini-submachine gun was used to test the bullet at 7.62mm in a shooting distance of 100m, and the bullet was embedded in the coating without puncture and bounce.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210568309.5A CN114890006A (en) | 2022-05-24 | 2022-05-24 | Novel integrated bulletproof oil tank structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210568309.5A CN114890006A (en) | 2022-05-24 | 2022-05-24 | Novel integrated bulletproof oil tank structure |
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| CN114890006A true CN114890006A (en) | 2022-08-12 |
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| CN202210568309.5A Pending CN114890006A (en) | 2022-05-24 | 2022-05-24 | Novel integrated bulletproof oil tank structure |
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| CN101704347A (en) * | 2009-12-08 | 2010-05-12 | 莫苏萍 | Explosion-proof oil transport truck |
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| CN211495404U (en) * | 2019-11-21 | 2020-09-15 | 江西省群力钢结构工程有限公司 | Composite double-layer oil tank |
| CN212502080U (en) * | 2020-06-05 | 2021-02-09 | 山西鲁运金属结构有限公司 | Novel double-layer oil tank |
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