CN111649625A - Protection component for bottom of vehicle - Google Patents

Protection component for bottom of vehicle Download PDF

Info

Publication number
CN111649625A
CN111649625A CN202010495761.4A CN202010495761A CN111649625A CN 111649625 A CN111649625 A CN 111649625A CN 202010495761 A CN202010495761 A CN 202010495761A CN 111649625 A CN111649625 A CN 111649625A
Authority
CN
China
Prior art keywords
panel
plate
mounting
energy
back plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202010495761.4A
Other languages
Chinese (zh)
Other versions
CN111649625B (en
Inventor
李高伟
陶晓晓
张明
王显会
周云波
孙晓旺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing University of Science and Technology
Original Assignee
Nanjing University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing University of Science and Technology filed Critical Nanjing University of Science and Technology
Priority to CN202010495761.4A priority Critical patent/CN111649625B/en
Publication of CN111649625A publication Critical patent/CN111649625A/en
Application granted granted Critical
Publication of CN111649625B publication Critical patent/CN111649625B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41HARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H7/00Armoured or armed vehicles
    • F41H7/02Land vehicles with enclosing armour, e.g. tanks
    • F41H7/04Armour construction
    • F41H7/042Floors or base plates for increased land mine protection

Abstract

The invention belongs to the field of vehicle protection, and particularly relates to a protection assembly for a vehicle bottom. The protection assembly is integrally arranged in an axial symmetry manner and comprises a protection assembly panel, a panel reinforcing beam, an energy-absorbing circular tube, a blocking beam, a back plate beam, an installation beam, a U-shaped reinforcing plate and an installation plate; the protective assembly panel is a V-shaped panel, two panel reinforcing beams are arranged on the protective assembly panel, a plurality of vertical energy-absorbing circular tubes are uniformly arranged on each panel reinforcing beam, and the upper ends of the energy-absorbing circular tubes are connected with the back plate beam; the U-shaped reinforcing plate is arranged on the upper side of the middle of the panel of the protective assembly in an upward mode, the upper portions of two side plates of the U-shaped reinforcing plate are respectively connected with a mounting plate, the mounting plate is connected with a vehicle body, the two sides of the mounting plate are respectively connected with a plurality of back plate beams which are evenly arranged in parallel, one end of each back plate beam is connected with the mounting plate, the other end of each back plate beam is connected with the mounting plate, and the upper portion of each back plate beam is close to one side of. The protective assembly of the present invention achieves good protective performance in a limited space.

Description

Protection component for bottom of vehicle
Technical Field
The invention belongs to the field of vehicle protection, and particularly relates to a protection assembly for a vehicle bottom.
Background
Military vehicles face ground explosion threats such as mines and the like in a battlefield environment, because explosion shock waves have the characteristics of high impact, high energy and high transient state, serious impact and damage are caused to the vehicles, the life safety of passengers is threatened, and the conventional military vehicles have penetrating damage to the vehicle bodies in the explosion environment, so that the death probability of the passengers is very high. To improve the safety protection of the passengers in an explosive environment, a bottom protection component needs to be designed to resist and dissipate the explosion impact.
The protective component can be divided into two forms according to the installation mode, one form is a detachable external hanging type protective component separated from the vehicle body; one is a protective component integrated with the vehicle body structure, namely an integrated vehicle body. Because the outer hanging protection component of detachable has stronger adaptability and has the flexibility, what adopt now is outer hanging protection component mostly. However, the existing externally-hung protective component has no method for meeting the requirements of strength and energy absorption performance in a limited space.
Disclosure of Invention
The invention aims to provide a protective assembly for a vehicle bottom.
The technical solution for realizing the purpose of the invention is as follows: the protective assembly comprises a protective assembly panel, a panel reinforcing beam, an energy-absorbing circular tube, a blocking beam, a back plate beam, an installation beam, a U-shaped reinforcing plate and an installation plate, wherein the panel reinforcing beam, the energy-absorbing circular tube, the blocking beam, the back plate beam, the installation beam, the U-shaped reinforcing plate and the installation plate are arranged in an axial symmetry mode;
the protective component panel is a V-shaped panel, two panel reinforcing beams which are arranged in parallel are arranged on the protective component panel, a plurality of vertical energy-absorbing circular tubes are uniformly arranged on each panel reinforcing beam, and the upper ends of the energy-absorbing circular tubes are connected with the back plate beam;
the U-shaped reinforcing plate is arranged on the upper side of the middle of the panel of the protection assembly in an upward mode, the upper portions of two side plates of the U-shaped reinforcing plate are respectively connected with a mounting plate, the mounting plate is connected with a vehicle body, a plurality of parallel back plate beams are uniformly arranged on two sides of the mounting plate, one end of each back plate beam is connected with the mounting plate, the other end of each back plate beam is connected with the mounting plate, the mounting beams are arranged at two ends of the upper portion of the panel of the protection assembly, the mounting beams are parallel to the panel reinforcing beams, and one side of each back plate beam, close to the mounting plate, is.
Furthermore, the protection component panel is an integral plate arranged in an axisymmetric manner, wherein a first panel, a second panel and a third panel are sequentially arranged on one side from bottom to top;
the included angles between the first panel, the second panel and the third panel of the protection component panel and the horizontal plane are sequentially increased.
Further, the initial offset angle of the panels of the protective assembly, i.e. the angle between the first panel and the horizontal plane, is 8-10 °.
Further, the structure of the panel reinforcing beam is an I-beam structure.
Furthermore, the two ends of the energy-absorbing circular tube are provided with circular tube mounting plates, the positions of the panel reinforcing beam and the back plate beam, which are connected with the energy-absorbing circular tube, are provided with mounting plates with clamping grooves, and the circular tube mounting plates are clamped in the clamping grooves to realize the fixed connection of the energy-absorbing circular tube.
Furthermore, the main body of the energy-absorbing circular tube is an aluminum alloy tube with an outer layer coated with a composite material, and honeycomb aluminum is filled in the energy-absorbing circular tube.
Furthermore, the back plate beam and the blocking beam are formed by filling cast aluminum in a steel pipe and welding packaging steel plates at two ends.
Further, the mounting panel middle part is equipped with the horizontal bar, U-shaped reinforcing plate and mounting panel bolted connection, and the horizontal bar of mounting panel is located the upper portion of U-shaped reinforcing plate both sides board for support the both sides of U-shaped reinforcing plate.
Furthermore, the end part of the back plate beam is welded with the mounting beam, and a welding plate is arranged at the welding position of the back plate beam and the mounting beam.
Compared with the prior art, the invention has the remarkable advantages that:
according to the bottom protection assembly, the panel reinforcing beam, the energy-absorbing circular tube, the blocking beam, the back plate beam, the mounting beam, the U-shaped reinforcing plate and the mounting plate are reasonably arranged, so that the protection strength and the energy-absorbing effect are achieved in a limited space.
Drawings
Fig. 1 is a three-dimensional schematic view of a shield assembly of the present invention.
Fig. 2 is a front view of the shield assembly of the present invention.
Fig. 3 is a front view of a shield assembly panel of the present invention.
Fig. 4 is a top view of a panel of the shield assembly of the present invention.
FIG. 5 is a schematic view of an energy absorbing round tube of the present invention; wherein, figure (a) is a front view and figure (b) is a sectional view.
FIG. 6 is a schematic view of the U-shaped stiffener and mounting plate connection of the present invention; wherein, figure (a) is a front view and figure (b) is a sectional view.
FIG. 7 is a schematic view of the connection of the back plate beam and the mounting beam of the present invention; wherein, figure (a) is a front view and figure (b) is a sectional view.
Description of reference numerals:
1-a protective component panel, 2-a panel reinforcing beam, 3-an energy-absorbing circular tube, 4-a blocking beam, 5-a back plate beam, 6-a mounting beam, 7-a U-shaped reinforcing plate and 8-a mounting plate.
Detailed Description
The present invention is described in further detail below with reference to the attached drawing figures.
As shown in fig. 1-7, the protective assembly for the bottom of a vehicle is integrally arranged in an axial symmetry manner and comprises a protective assembly panel 1, a panel reinforcing beam 2, an energy-absorbing circular tube 3, a blocking beam 4, a backboard beam 5, a mounting beam 6, a U-shaped reinforcing plate 7 and a mounting plate 8;
the protective component panel 1 is a V-shaped panel, two panel reinforcing beams 2 which are arranged in parallel are arranged on the protective component panel 1, a plurality of vertical energy-absorbing circular tubes 3 are uniformly arranged on each panel reinforcing beam 2, and the upper ends of the energy-absorbing circular tubes 3 are connected with a backboard beam 5;
7 upside that open side up set up at protection component panel 1 middle part of U-shaped reinforcing plate, the upper portion of the both sides board of U-shaped reinforcing plate 7 is connected with mounting panel 8 respectively, mounting panel 8 and body coupling, 8 both sides of mounting panel all are connected with the back slab beam 5 of a plurality of parallel even settings, the one end and the mounting panel 8 of back slab beam 5 are connected, and the other end and installation roof beam 6 are connected, installation roof beam 6 sets up at the both ends on 1 upper portion of protection component panel, and installation roof beam 6 is on a parallel with the setting of panel stiffening beam 2, one side fixedly connected with that 5 upper portions of back slab beam are close to mounting panel 8 blocks roof beam 4.
The protection component panel 1 is an integral plate arranged in an axisymmetric manner, wherein a first panel, a second panel and a third panel are sequentially arranged on one side from bottom to top;
the included angles between the first panel, the second panel and the third panel of the protection component panel 1 and the horizontal plane are sequentially increased.
The initial offset angle of the panel 1 of the guard assembly, i.e. the angle between the first panel and the horizontal plane, is 8-10 °.
The structure of the panel reinforcing beam 2 is an I-beam structure.
The energy-absorbing device is characterized in that circular tube mounting plates are arranged at two ends of the energy-absorbing circular tube 3, mounting plates with clamping grooves are arranged at positions, connected with the energy-absorbing circular tube 3, on the panel reinforcing beam 2 and the back plate beam 5, and the circular tube mounting plates are clamped in the clamping grooves to be fixedly connected with the energy-absorbing circular tube.
The main body of the energy-absorbing circular tube 3 is an aluminum alloy tube with an outer layer coated with a composite material, and honeycomb aluminum is filled in the energy-absorbing circular tube 3.
The back plate beam 5 and the blocking beam 4 are formed by filling cast aluminum in a steel pipe and welding packaging steel plates at two ends.
The mounting panel 8 middle part is equipped with the horizontal bar, U-shaped reinforcing plate 7 and mounting panel 8 bolted connection, and the horizontal bar of mounting panel 8 is located the upper portion of 7 both sides boards of U-shaped reinforcing plate for support the both sides of U-shaped reinforcing plate 7.
The end part of the back plate beam 5 is welded with the mounting beam 6, and a welding plate is arranged at the welding position of the back plate beam 5 and the mounting beam.

Claims (9)

1. The protective assembly for the bottom of the vehicle is characterized by being arranged in an axisymmetric mode and comprising a protective assembly panel (1), a panel reinforcing beam (2), an energy-absorbing circular tube (3), a blocking beam (4), a back plate beam (5), a mounting beam (6), a U-shaped reinforcing plate (7) and a mounting plate (8);
the protective component panel (1) is a V-shaped panel, two panel reinforcing beams (2) which are arranged in parallel are arranged on the protective component panel (1), a plurality of vertical energy-absorbing circular tubes (3) are uniformly arranged on each panel reinforcing beam (2), and the upper ends of the energy-absorbing circular tubes (3) are connected with a back plate beam (5);
the protection component panel comprises a U-shaped reinforcing plate (7), wherein the opening of the U-shaped reinforcing plate (7) is arranged on the upper side of the middle of the protection component panel (1) upwards, the upper portions of two side plates of the U-shaped reinforcing plate (7) are respectively connected with a mounting plate (8), the mounting plate (8) is connected with a vehicle body, two sides of the mounting plate (8) are respectively connected with a plurality of back plate beams (5) which are evenly arranged in parallel, one end of each back plate beam (5) is connected with the mounting plate (8), the other end of each back plate beam is connected with a mounting beam (6), the mounting beams (6) are arranged at two ends of the upper portion of the protection component panel (1), the mounting beams (6) are arranged in parallel to a panel reinforcing beam (2), and one side of the upper portion of each back.
2. The protective assembly according to claim 1, wherein the protective assembly panel (1) is an axisymmetrically arranged integral plate, wherein one side is, from bottom to top, a first panel, a second panel and a third panel;
the included angles between the first panel, the second panel and the third panel of the protection component panel (1) and the horizontal plane are sequentially increased.
3. The fender assembly of claim 2, wherein the initial offset angle of the fender assembly panels, i.e. the angle between the first panel and the horizontal, is from 8 ° to 10 °.
4. The fender assembly of claim 2, wherein the structure of the panel reinforcement beam (2) is an i-beam structure.
5. The protective assembly according to claim 4, wherein the energy-absorbing circular tubes (3) are provided with circular tube mounting plates at two ends, the panel reinforcing beam (2) and the back plate beam (5) are provided with mounting plates with clamping grooves at positions connected with the energy-absorbing circular tubes (3), and the circular tube mounting plates are clamped in the clamping grooves to realize the fixed connection of the energy-absorbing circular tubes.
6. The protective assembly according to claim 5, wherein the energy-absorbing circular tube (3) is made of aluminum alloy tube with an outer layer coated with composite material, and the energy-absorbing circular tube (3) is filled with honeycomb aluminum.
7. The shielding assembly according to claim 6, wherein the back plate beam (5) and the blocking beam (4) are formed by filling cast aluminum inside a steel pipe and welding encapsulated steel plates at both ends.
8. The guard assembly according to claim 7, characterized in that the mounting plate (8) is provided with a cross bar in the middle, the U-shaped reinforcing plate (7) is connected with the mounting plate (8) through bolts, and the cross bar of the mounting plate (8) is positioned on the upper part of the two side plates of the U-shaped reinforcing plate (7) and is used for abutting against the two sides of the U-shaped reinforcing plate (7).
9. The protection assembly according to claim 1, wherein the end of the back plate beam (5) is welded with the mounting beam (6), and a welding plate is arranged at the welding position of the back plate beam (5) and the mounting beam.
CN202010495761.4A 2020-06-03 2020-06-03 Protection component for bottom of vehicle Active CN111649625B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010495761.4A CN111649625B (en) 2020-06-03 2020-06-03 Protection component for bottom of vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010495761.4A CN111649625B (en) 2020-06-03 2020-06-03 Protection component for bottom of vehicle

Publications (2)

Publication Number Publication Date
CN111649625A true CN111649625A (en) 2020-09-11
CN111649625B CN111649625B (en) 2022-05-13

Family

ID=72344128

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010495761.4A Active CN111649625B (en) 2020-06-03 2020-06-03 Protection component for bottom of vehicle

Country Status (1)

Country Link
CN (1) CN111649625B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090140545A1 (en) * 2005-08-18 2009-06-04 Adolf Greuter Armored vehicle
US20100307327A1 (en) * 2008-02-05 2010-12-09 Guy Leath Gettle Blast effect mitigating assemble using aerogels
US7997182B1 (en) * 2007-08-16 2011-08-16 Timothy J. Cox Protective hull for vehicles
CN102862537A (en) * 2012-09-25 2013-01-09 浙江工业大学 Shrinkage-type automobile energy absorption beam
US20160159401A1 (en) * 2014-03-20 2016-06-09 The Boeing Company Underbody energy absorption device
CN108519025A (en) * 2018-03-30 2018-09-11 北京汽车研究总院有限公司 A kind of the land mine safeguard structure and automobile of automobile
CN110804971A (en) * 2019-10-18 2020-02-18 上海市政工程设计研究总院(集团)有限公司 Highway anti-collision column device and construction method thereof
CN110823002A (en) * 2019-11-06 2020-02-21 重庆长安工业(集团)有限责任公司 Bottom land mine prevention module for armored vehicle

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090140545A1 (en) * 2005-08-18 2009-06-04 Adolf Greuter Armored vehicle
US7997182B1 (en) * 2007-08-16 2011-08-16 Timothy J. Cox Protective hull for vehicles
US20100307327A1 (en) * 2008-02-05 2010-12-09 Guy Leath Gettle Blast effect mitigating assemble using aerogels
CN102862537A (en) * 2012-09-25 2013-01-09 浙江工业大学 Shrinkage-type automobile energy absorption beam
US20160159401A1 (en) * 2014-03-20 2016-06-09 The Boeing Company Underbody energy absorption device
CN108519025A (en) * 2018-03-30 2018-09-11 北京汽车研究总院有限公司 A kind of the land mine safeguard structure and automobile of automobile
CN110804971A (en) * 2019-10-18 2020-02-18 上海市政工程设计研究总院(集团)有限公司 Highway anti-collision column device and construction method thereof
CN110823002A (en) * 2019-11-06 2020-02-21 重庆长安工业(集团)有限责任公司 Bottom land mine prevention module for armored vehicle

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
石秉良等: "军用车辆底部防护研究与发展综述", 《兵工学报》 *

Also Published As

Publication number Publication date
CN111649625B (en) 2022-05-13

Similar Documents

Publication Publication Date Title
US8601931B2 (en) Belly armor
US7631589B2 (en) Apparatus for inhibiting effects of an explosive blast
US8646830B2 (en) Vehicle and associated energy reservoir support
US7802414B1 (en) Armored building modules and panels—installation and removal
CN106351116B (en) A kind of composite multi-layer explosion-protection equipment for viaduct pier
US20170261291A1 (en) Moving sacrificial vehicle hull
US9452784B2 (en) Underbody energy absorption device
CN112109398A (en) Bottom protection structure containing negative Poisson ratio honeycomb material
US8844970B2 (en) Armored vehicle protected from explosive devices
CN108662951A (en) A kind of vehicle multi-layer explosion protection device
GB2477617A (en) Bumper arrangement for a motor vehicle having an energy absorber connected at two points
CN111649625B (en) Protection component for bottom of vehicle
CN216245850U (en) Armor surface layer and armor assembly for resisting shock wave and fragment combined damage
CN111649116A (en) Impact-resistant protection device for vehicle transfer case
CN111516632B (en) Cab anti-impact device, cab and engineering vehicle
CN213618773U (en) Bottom protection structure containing negative Poisson ratio honeycomb material
CN114670926B (en) Web type frame assembly
CN216770349U (en) Special vehicle chassis lightning protection subassembly
CN214173120U (en) Built-in lightning protection device of automobile body
CN210128660U (en) Bulletproof assembly of vehicle door and vehicle with bulletproof assembly
CN213179651U (en) Integrated composite armor connecting structure
CN209429017U (en) A kind of construction of the highway protective fence with anticollision stability structure
CN219406368U (en) Front anti-collision beam structure for automobile
CN114228650B (en) Tank truck
CN220842985U (en) Fairing cover

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information

Inventor after: Li Gaowei

Inventor after: Sun Xiaowang

Inventor after: Wang Xianhui

Inventor after: Tao Xiaoxiao

Inventor after: Zhang Ming

Inventor after: Zhou Yunbo

Inventor before: Li Gaowei

Inventor before: Tao Xiaoxiao

Inventor before: Zhang Ming

Inventor before: Wang Xianhui

Inventor before: Zhou Yunbo

Inventor before: Sun Xiaowang

CB03 Change of inventor or designer information
GR01 Patent grant
GR01 Patent grant