CN201449354U

CN201449354U - Primary target plate for air gun

Info

Publication number: CN201449354U
Application number: CN2009200616253U
Authority: CN
Inventors: 肖波齐
Original assignee: Sanming University
Current assignee: Sanming University
Priority date: 2009-07-31
Filing date: 2009-07-31
Publication date: 2010-05-05
Anticipated expiration: 2019-07-31

Abstract

The utility model discloses a primary target plate for an air gun, which is used for testing the mechanical properties of materials, and comprises a gun barrel protective part with an annular cross section and a material fixing part with an annular cross section, wherein the material fixing part is coaxially superimposed and fixed on the gun barrel protective part; the gun barrel protective part is mounted on a gun barrel opening; at least three bolt holes are uniformly distributed on the annular end surface of the material fixing part; countersunk head bolts are mounted in the bolt holes and serve as a bracket for fixing a probe; at least three fixing through holes are uniformly distributed on the annular end surface of the gun barrel protective part; correspondingly, at least three fixing holes are uniformly distributed on the annular end surface of the gun barrel opening; and the gun barrel protective part is fixed on the gun barrel opening by the countersunk head bolts through the fixing through holes and the fixing holes. The primary target plate for the air gun has the advantages of simple and convenient structure, easy adjustment of planeness, low cost and high efficiency, can be applicable to dynamic mechanical properties of materials tested by the air guns, and utilizes the bracket for the probe to fix the probe for testing the bullet velocity.

Description

Elementary gas big gun target plate

Technical field

The utility model relates to a kind of big gun target plate, particularly relates to a kind of elementary gas big gun target plate that is used for Measurement of Material Mechanical Performance, belongs to and Design of Mechanical Structure and manufacturing field.

Background technology

The gas big gun is the impact loading device of current experiment usefulness, the gas big gun can the transmitted at high speed bullet and test material clash into and load, target plate is exactly the device that is used for fixing test material, the material of elementary gas big gun target plate adopts stainless steel, mainly be in order to prevent that target plate from use getting rusty, to influence its precision.The gas big gun carries out the dynamic performance testing of material, needs target plate to fix tested material, regulates the depth of parallelism of measured material and bullet, guarantees that collision (Weng Xuetao in plane takes place for measured material and bullet; Huang Yingyun; Zhu Shijian; Wang Yu; Research institute is vibrated and impact to utilize gas big gun technical measurement vibration isolator impact characteristics naval engineering university to shake, and 2005,24 (1): 103-105,2005,24 (1): 103-105 Wang Jin is expensive; Gas big gun technology physics 1996,25 (9): 558-564).Zhang Zhi is modest, Jiao Qiwen etc. invented gun self-correcting target device utility model, and this utility model relates to is that (Zhang Zhi is modest, Jiao Qiwen, Zhong Kun, Wang Bibo, open seized with terror, Chen Yao, Peng Lei for a kind of gun self-correcting target device.Gun self-correcting target device No.611 Inst., China Aeronautics Industry General Co.＜application number〉96224222).This apparatus structure relative complex.Shen Jiaming, Mo Zhenglun, Huang Mingwei, Zhong Ming etc. have invented a kind of ball firing automatic scoring round target device: it is characterized in that with lead target board, controller and display being communicated with composition, its structure is simple relatively, with low cost, indication of shots is accurate, in time, and safety, reliably, be applicable to various pistols and rifle far, closely ball firing, also be applicable to regular target range, simple and easy target range and open-air shooting (Shen Jiaming, Mo Zhenglun, Huang Mingwei, Zhong Ming.The ball firing automatic scoring round target device.State Yimin Machinery Plant.＜application number〉87216249).Many experts are also arranged at the many different target plates of different device designs abroad, its structural plane is to a certain specific equipment (Grove; Brenden M, Behrmann; Lawrence A, Walton; Ian C, Kneisl; Philip, Werner; Andrew T.Method and apparatus for reducing pressure in a perforating gun; United StatesPatent) be applicable to the target plate that elementary gas big gun is tested, not seeing as yet both at home and abroad has relevant patent.And certain report (Yan Shaohua is arranged on the document about being applied in of target plate; Qian Qihu; Week early gives birth to; Lu Yusheng; Yin Fanglin; The experimental study of high-strength concrete and high strength steel fibre concrete high pressure state equation; Military Engineering Inst. of Polytechnics of PLA; Polytechnics of PLA journal (natural science edition), 2006,6 (1): 49-53. Qin Jun is bright; Huang Yingyun; Weng Xuetao; Sun Zhaojun; Wang Yu; The dynamic perfromance of gas big gun method test and appraisal anti-impact element; Vibration and noise research institute of naval engineering university; The naval engineering college journal, 2004,16 (1): 87-90), the separate type target plate is adopted in the design of the target plate of gas big gun experiment usually in the document, and the structure relative complex of design, price are relatively expensive.

The utility model content

The purpose of this utility model provide a kind of relatively simple for structure, cost is low, convenient, be easy to regulate the elementary gas big gun target plate of flatness.

The purpose of this utility model is achieved by the following technical programs:

A kind of elementary gas big gun target plate; be installed in the gun tube mouth; it is characterized in that: it comprises that xsect is that annular gun tube guard member and xsect is annular material fixture, and the coaxial stack of described material fixture is fixed on the gun tube guard member, and the gun tube guard member is installed on the gun tube mouth.

Uniform at least three mounting holes on the annular end face of described gun tube guard member; corresponding on the annular end face of material fixture also uniform at least three through holes are installed; mounting hole on the gun tube guard member is supporting one by one corresponding with the installation through hole on the material fixture; the material fixture is fixed on the gun tube guard member with dormant bolt by above-mentioned installation through hole and mounting hole.

Side wall surface at described material fixture is installed through hole along uniform at least three materials on the same surface level, is used for fixing test material.

On the annular end face of described material fixture, dormant bolt is installed, at least in uniform three bolts hole, bolt hole as the support of stationary probe.

Uniform at least three fixed vias on the annular end face of described gun tube guard member, also uniform at least three fixed orifices on the annular end face of corresponding gun tube mouth, the gun tube guard member is fixed on the gun tube mouth with dormant bolt by fixed via and fixed orifice.

Advantage of the present utility model is: (1) is divided into gun tube guard member and material fixture two parts with target plate, to the reacting force of gun tube, protects gun tube in the time of cushioning emission; (2) test material is fixed on the material fixture, it is parallel with the surface of contact of bullet to be convenient to regulate test material, guarantees to take place the plane collision; (3) support of stationary probe is set on the material fixture, has simplified the target plate design; (4) this elementary gas big gun target plate simple in structure, convenient, be easy to regulate flatness, be a kind of low cost, high efficiency product, can be applicable to the dynamic mechanical of gas big gun test material, and utilize the support stationary probe of probe to test bullet speed.

Description of drawings

Fig. 1 is the structural representation of this elementary gas big gun target plate;

Fig. 2 is the structural representation of the material fixture among Fig. 1;

Fig. 3 is the vertical view of Fig. 2;

Fig. 4 is the structural representation of the gun tube guard member among Fig. 1;

Fig. 5 is the vertical view of Fig. 4.

Embodiment

Below in conjunction with the drawings and specific embodiments the utility model is further described.

Structure is an elementary gas big gun target plate 1 of the present utility model shown in Fig. 1-4, it comprises that xsect is that annular gun tube guard member 2 and xsect is annular material fixture 3, described material fixture 3 coaxial stacks are fixed on the gun tube guard member 2, and gun tube guard member 2 is installed on the gun tube mouth 4; Uniform three mounting holes 5 on the annular end face of described gun tube guard member 2, corresponding on the annular end face of material fixture 3 also uniform three through holes 6 are installed, mounting hole 5 on the gun tube guard member 2 is supporting one by one corresponding with the installation through hole 6 on the material fixture 3, material fixture 3 is fixed on the gun tube guard member 2 with dormant bolt by above-mentioned installation through hole 6 and mounting hole 5; Side wall surface at described material fixture 3 is installed through hole 7 along uniform three materials on the same surface level, is used for fixing test material; On the annular end face of described material fixture 3, uniform three bolts hole 8 are installed dormant bolt, as the support of stationary probe in the bolt hole 8; Uniform three fixed vias 9 on the annular end face of described gun tube guard member 2, also uniform three fixed orifices on the annular end face of corresponding gun tube mouth 4, the gun tube guard member is fixed on the gun tube mouth 4 with dormant bolt by fixed via 9 and fixed orifice.

Claims

1. elementary gas big gun target plate; be installed in the gun tube mouth; it is characterized in that: it comprises that xsect is that annular gun tube guard member and xsect is annular material fixture, and the coaxial stack of described material fixture is fixed on the gun tube guard member, and the gun tube guard member is installed on the gun tube mouth.

2. elementary gas big gun target plate according to claim 1; it is characterized in that: uniform at least three mounting holes on the annular end face of described gun tube guard member; corresponding on the annular end face of material fixture also uniform at least three through holes are installed; mounting hole on the gun tube guard member is supporting one by one corresponding with the installation through hole on the material fixture; the material fixture is fixed on the gun tube guard member with dormant bolt by above-mentioned installation through hole and mounting hole.

3. elementary gas big gun target plate according to claim 1 and 2 is characterized in that: the side wall surface at described material fixture is installed through hole along uniform at least three materials on the same surface level, is used for fixing test material.

4. elementary gas big gun target plate according to claim 3 is characterized in that: on the annular end face of described material fixture, dormant bolt is installed, as the support of stationary probe at least in uniform three bolts hole, bolt hole.

5. elementary gas big gun target plate according to claim 1 and 2; it is characterized in that: uniform at least three fixed vias on the annular end face of described gun tube guard member; also uniform at least three fixed orifices on the annular end face of corresponding gun tube mouth; the gun tube guard member is fixed on the gun tube mouth with dormant bolt by fixed via and fixed orifice.