阅读说明：本技术 一种车辆分动箱抗冲击保护装置 (Impact-resistant protection device for vehicle transfer case ) 是由 孙晓旺 王显会 张进成 张明 周云波 于 2020-05-07 设计创作，主要内容包括：本发明属于车辆防护领域,具体涉及一种车辆分动箱抗冲击保护装置。包括双V型底板、前挡板和后挡板；双V型底板为轴对称结构,双V型底板一侧从下到上依次包括第一斜板、第二斜板、竖直板和凸沿,位于最下侧的两个第一斜板相连接形成V型,所述第二斜板一侧与第一斜板连接,另一侧与竖直板连接,竖直板另一侧为凸沿,凸沿上设有螺栓孔；前挡板和后挡板设置在双V型底板的两端,且前挡板和后挡板上设有通孔。本发明的保护装置,能够有效抵挡碰撞、爆炸等冲击,保护分动箱行驶动力系统,增强分动箱散热能力,同时,作为一个独立保护模块可便捷安装到车辆上,方便维修和更换。(The invention belongs to the field of vehicle protection, and particularly relates to an impact-resistant protection device for a vehicle transfer case. Comprises a double-V-shaped bottom plate, a front baffle and a rear baffle; the double-V-shaped bottom plate is of an axisymmetric structure, one side of the double-V-shaped bottom plate sequentially comprises a first inclined plate, a second inclined plate, a vertical plate and a convex edge from bottom to top, the two first inclined plates positioned at the lowest side are connected to form a V shape, one side of the second inclined plate is connected with the first inclined plates, the other side of the second inclined plate is connected with the vertical plate, the other side of the vertical plate is a convex edge, and bolt holes are formed in the convex edge; the front baffle and the rear baffle are arranged at two ends of the double-V-shaped bottom plate, and through holes are formed in the front baffle and the rear baffle. The protection device can effectively resist impact such as collision, explosion and the like, protect a driving power system of the transfer case, enhance the heat dissipation capacity of the transfer case, and meanwhile, as an independent protection module, the protection device can be conveniently installed on a vehicle and is convenient to maintain and replace.)

1. An anti-impact protection device of a vehicle transfer case is characterized by comprising a double-V-shaped bottom plate (1), a front baffle plate (2) and a rear baffle plate (6);

the double-V-shaped bottom plate (1) is of an axisymmetric structure, one side of the double-V-shaped bottom plate (1) sequentially comprises a first inclined plate, a second inclined plate, vertical plates and convex edges from bottom to top, the two first inclined plates positioned at the lowest side are connected to form a V shape, one side of the second inclined plate is connected with the first inclined plates, the other side of the second inclined plate is connected with the vertical plates, the other side of each vertical plate is a convex edge, and bolt holes are formed in the convex edges;

the front baffle (2) and the rear baffle (6) are arranged at two ends of the double-V-shaped bottom plate (1), and through holes are formed in the front baffle (2) and the rear baffle (6).

2. The apparatus as claimed in claim 1, wherein the angle between the two first sloping plates is 120 ° to 150 °, and the angle between the two second sloping plates is 50 ° to 80 °.

3. The device according to claim 1, characterized in that the front baffle (2) and the rear baffle (6) are slotted to form a truss-like reinforcing rib structure.

4. The device according to claim 1, characterized by further comprising a U-shaped reinforcing beam, the shape of which matches the cross-sectional shape of the double V-shaped floor (1).

5. The device according to claim 4, characterized in that the number of the U-shaped reinforcing beams is multiple, the U-shaped reinforcing beams (3) are fixedly connected with the double V-shaped bottom plate (1) and are arranged inside the double V-shaped bottom plate (1) at intervals according to the positions of the transfer cases.

6. The arrangement according to claim 1, characterized by further comprising an energy absorbing buffer layer (4), which energy absorbing buffer layer (4) is arranged inside the double V-shaped bottom plate (1).

7. The arrangement according to claim 6, characterized in that the energy absorbing buffer layer (4) is arranged on the inside of the double V-shaped base plate (1) by means of an adhesive.

8. The device according to claim 7, characterized in that the energy absorbing buffer layer (4) is made of foam material, rubber material or lattice metal material.

9. The device according to claim 1, characterized in that the double V-shaped bottom plate (1) is detachably connected with the vehicle body through bolt holes of the convex edge.

Technical Field

The invention belongs to the field of vehicle protection, and particularly relates to an impact-resistant protection device for a vehicle transfer case.

Background

Military vehicles often require good maneuverability and off-road capability, battlefield road conditions and environments encountered in the use process are complex, scraping and collision accidents are easy to happen to the bottom of the vehicle, particularly explosion impact of land mines, simple explosive devices and the like is encountered, the transfer case is located at a lower position in the arrangement of a chassis and is close to an explosion point, a shell of the transfer case is usually made of aluminum alloy or cast iron materials, the internal structure is compact, and the transfer case is extremely easy to damage under the action of explosion impact force, so that the vehicle loses maneuverability.

At present military vehicle adopts V type structure to strengthen the bottom protection usually in the design, with the whole parcel of gearbox in protective structure, owing to receive constraint conditions such as vehicle mobility and ground clearance, the safety clearance between protective structure and transfer case is less usually, protective structure easily collides with the transfer case under the explosion impact, be difficult to reach the protection requirement, and simultaneously, the enclosed construction of whole parcel has influenced the transfer case heat dissipation, leads to the transfer case temperature constantly to rise, seriously influences the performance and the life-span of transfer case.

Disclosure of Invention

The invention aims to provide an impact-resistant protection device for a vehicle transfer case.

The technical solution for realizing the purpose of the invention is as follows: an anti-impact protection device of a vehicle transfer case comprises a double-V-shaped bottom plate, a front baffle and a rear baffle;

the double-V-shaped bottom plate is of an axisymmetric structure, one side of the double-V-shaped bottom plate sequentially comprises a first inclined plate, a second inclined plate, a vertical plate and a convex edge from bottom to top, the two first inclined plates positioned at the lowest side are connected to form a V shape, one side of the second inclined plate is connected with the first inclined plates, the other side of the second inclined plate is connected with the vertical plate, the other side of the vertical plate is a convex edge, and bolt holes are formed in the convex edge;

the front baffle and the rear baffle are arranged at two ends of the double-V-shaped bottom plate, and through holes are formed in the front baffle and the rear baffle.

Further, the included angle between the two first inclined plates is 120-150 degrees, and the included angle between the two second inclined plates is 50-80 degrees.

Furthermore, grooves are formed in the front baffle and the rear baffle to form a truss-shaped reinforcing rib structure.

Furthermore, the U-shaped reinforcing beam is also included, and the shape of the U-shaped reinforcing beam is matched with the cross section shape of the double V-shaped bottom plate.

Furthermore, the U-shaped stiffening beams are multiple and fixedly connected with the double V-shaped bottom plate and are arranged inside the double V-shaped bottom plate at intervals according to the position of the transfer case.

Further, the energy absorption buffer layer is arranged on the inner side of the double-V-shaped bottom plate.

Furthermore, the energy-absorbing buffer layer is arranged on the inner side of the double-V-shaped bottom plate through an adhesive.

Furthermore, the energy absorption buffer layer is made of foam materials, rubber materials or lattice metal materials.

Furthermore, the double-V-shaped bottom plate is detachably connected with the vehicle body through a bolt hole on the convex edge.

Compared with the prior art, the invention has the remarkable advantages that:

(1) the double-V-shaped bottom plate comprises two V-shaped included angles, compared with a single V-shaped bottom plate, the integral rigidity of the structure and the internal containing space of the structure are increased, the safety clearance distance between the gearbox and the protection device is increased, meanwhile, when the double-V-shaped bottom plate is impacted by explosion, the impacted area of the structure is increased, and the stress distribution condition of the structure is improved;

(2) the grooves are formed in the baffle plate to form a truss-shaped reinforcing rib structure, the structural rigidity of the end part of the protection device is enhanced, the anti-deformation capability of the structure can be enhanced when the explosion impact force acts on the front end part and the rear end part, meanwhile, the front through hole and the rear through hole can increase air convection, and good heat dissipation of the transfer case is guaranteed;

(3) according to the protection device, the plurality of U-shaped reinforcing beams are arranged in the double-V-shaped bottom plate, so that the integral rigidity of the device is further enhanced, and the impact deformation resistance of the device is improved;

(4) the utility model provides a protection device through set up the energy-absorbing buffer layer in two V type bottom plates, can slow down the direct impact of protection device and transfer case when the device receives the impact deformation volume too big.

Drawings

Fig. 1 is a schematic view of the overall structure of the protection device of the present application.

Fig. 2 is a schematic diagram of a double V-shaped bottom plate structure according to the present application.

Fig. 3 is a schematic view of the structure of the baffle plate of the present application.

Description of reference numerals:

the energy-absorbing structure comprises a 1-double V-shaped bottom plate, a 2-front baffle, a 3-U-shaped reinforcing beam, a 4-energy-absorbing buffer layer, a 5-bolt hole and a 6-rear baffle.

Detailed Description

The present invention is described in further detail below with reference to the attached drawing figures.

As shown in figures 1-3, the impact-resistant protection device for the transfer case of the vehicle comprises six parts, namely a double V-shaped bottom plate 1, a front baffle plate 2, a U-shaped reinforcing beam 3, an energy-absorbing buffer layer 4, bolt holes 5 and a rear baffle plate 6.

The front baffle 2, the rear baffle 6 and the U-shaped reinforcing beam 3 are fixedly connected with the double-V-shaped bottom plate 1, and the connection mode is not limited to welding, bolt connection and the like. The energy absorption buffer layer 4 is arranged on the inner side of the double-V-shaped bottom plate 1 and is connected with the double-V-shaped bottom plate 1 through an adhesive. The device is connected with the vehicle body through the bolt hole 5.

Double V type bottom plate 1 contains two V type contained angles, compares with single V-arrangement and has increased structure global rigidity and the inside accommodation space of structure, increases gearbox and protection device safety clearance distance, simultaneously, when receiving the explosion impact effect, has increased the structure and has received the impact area, improves the structure atress distribution condition.

The front baffle 2 and the rear baffle 6 are fixedly connected with the double-V-shaped bottom plate 1, the grooves are formed in the baffles to form truss-shaped reinforcing rib structures, the structural rigidity of the end parts of the protection device is enhanced, the structural deformation resistance can be enhanced when the explosion impact force acts on the front end part and the rear end part, meanwhile, the front through hole and the rear through hole can increase air convection, and good heat dissipation of the transfer case is guaranteed.

The U-shaped stiffening beam 3 is fixedly connected with the double-V-shaped bottom plate 1 and is arranged inside the double-V-shaped bottom plate 1 at intervals according to the position of the transfer case, so that the overall rigidity of the device can be further enhanced, and the impact deformation resistance of the device can be improved.

The energy-absorbing buffer layer 4 has the function of absorbing energy by impact compression deformation, is not limited to foam materials, rubber materials or lattice metal materials and the like in material composition, is fixed on the inner side of the double-V-shaped bottom plate 1 through an adhesive, and can slow down the direct impact between the protection device and the transfer case when the impact deformation of the device is overlarge.

The bolt holes 5 are arranged at the flanging parts at the two sides of the double-V-shaped bottom plate 1, can be directly connected with reserved hole positions of a vehicle body, and are convenient to install and follow-up maintenance and replacement.

The impact-resistant protection device for the transfer case of the vehicle can effectively resist impact such as collision, explosion and the like, protect a driving power system of the transfer case, enhance the heat dissipation capacity of the transfer case, and meanwhile, as an independent protection module, the impact-resistant protection device can be conveniently installed on the vehicle and is convenient to maintain and replace.