阅读说明：本技术 一种用于动物冲击伤模拟实验设备 (Simulation experiment equipment for animal impact injury ) 是由 袁丹凤 杨傲 代维 刘星 周继红 于 2021-07-22 设计创作，主要内容包括：本发明提供一种用于动物冲击伤模拟实验设备,涉及动物实验设备技术领域,以解决现有的动物冲击伤模拟实验设备在使用时,产生的动物毛发及血液会污染试验箱内的洁净,而且动物夹持位置不易调节,很难对动物头部、胸腔等不同部位进行冲击实验,同时冲压过程中活塞板滑动容易发生偏移,并且反应箱内燃气反应后会产生大量的水,导致观察视线受阻的问题,包括底座；所述底座顶部设有增压箱,且增压箱前端设有反应箱,并且增压箱与反应箱之间设有测压表。本发明中由于连接架的第一滑块能够通过限位槽与安装架滑动连接,并通过调节螺栓控制,从而调节小动物的高度,进而满足其胸腔或身体其他部位与高压管管口对应,保证模拟实验结果更加精准。(The invention provides a simulation experiment device for animal impact injury, which relates to the technical field of animal experiment devices and aims to solve the problems that when the existing simulation experiment device for animal impact injury is used, the produced animal hair and blood can pollute the cleanness in a test box, the animal clamping position is not easy to adjust, the impact experiment is difficult to be carried out on different parts such as the head, the chest and the like of an animal, meanwhile, a piston plate slides and easily deviates in the stamping process, and a large amount of water is produced after the gas in a reaction box reacts, so that the observation sight is blocked; the base top is equipped with the pressure boost case, and the pressure boost case front end is equipped with the reaction box to be equipped with the manometer between pressure boost case and the reaction box. According to the invention, the first sliding block of the connecting frame can be slidably connected with the mounting frame through the limiting groove and controlled by the adjusting bolt, so that the height of the small animal is adjusted, the requirement that the thoracic cavity or other parts of the body of the small animal correspond to the orifice of the high-pressure tube is further met, and the simulation experiment result is more accurate.)

1. A simulation experiment equipment for animal impact injury is characterized in that: a simulation experiment device for animal impact injury comprises a base;

a pressure increasing box is arranged at the top of the base, a reaction box is arranged at the front end of the pressure increasing box, and a pressure measuring meter is arranged between the pressure increasing box and the reaction box;

a control console is arranged on the left side of the base, a gas tank is arranged in the control console, and the gas tank is communicated with the pressurizing box through a communicating pipe;

the front end of the reaction box is provided with a driving box, and the front end of the driving box is provided with a test box.

2. The animal impact injury simulation experiment equipment as claimed in claim 1, wherein the reaction box comprises an observation window, a mounting box and sliding chutes, the reaction box is of a rectangular through cavity structure, the bottom of the reaction box cavity is provided with two sliding chutes, the two sliding chutes are symmetrically distributed, the bottom of the reaction box is provided with the mounting box, the mounting box is internally provided with the servo motor, the reaction box cavity is internally provided with two scraping plates, and the scraping plates correspond to the sliding chutes.

3. The animal impact injury simulation experiment equipment as claimed in claim 1, wherein the driving box comprises a fixing frame and a piston, the driving box is of a cylindrical through cavity structure, the fixing frame is arranged in a cavity of the driving box, the piston is arranged in the cavity of the driving box, and the piston is connected with the driving box in a sliding manner;

the fixing frame is of an annular structure and is fixedly connected with the driving box through transverse plates on the left side and the right side, the front end of the fixing frame is provided with a restoring spring, and the front end of the restoring spring is connected with the piston;

the piston, the piston rear end is equipped with the push rod, and the push rod slips in the mount to the push rod rear end is equipped with the push pedal, and the push pedal front end is equipped with two slide bars, and two slide bars are parallel mode and distribute, and the slide bar slips in mount both sides diaphragm.

4. The simulation experiment equipment for the animal impact injury, according to claim 1, wherein the test box comprises a connecting seat and a high-pressure pipe, the test box has a rectangular cavity structure, the high-pressure pipe is arranged in the test box cavity, the high-pressure pipe has a conical through cavity structure, the high-pressure pipe is communicated with the driving box through the connecting seat, two mounting frames are arranged in the test box cavity, and the mounting frames are positioned in front of the high-pressure pipe.

5. The animal impact injury simulation experiment device as claimed in claim 4, wherein the mounting rack comprises a limiting groove, the two mounting racks are rectangular rods distributed in a vertical manner, the limiting groove is formed in the rear portion of the mounting rack, two connecting racks are arranged on the two mounting racks, and a collecting groove is formed below the connecting racks.

6. The animal impact injury simulation experiment device as claimed in claim 5, wherein the connecting frame comprises a mounting groove, a first sliding block and an adjusting bolt, the mounting groove is formed at one end of the connecting frame, a clamping plate is arranged at the mounting groove, the first sliding block is arranged at the front end of the connecting frame, and the first sliding block is slidably connected with the mounting frame through a limiting groove and is controlled through the adjusting bolt.

7. The animal impact injury simulation experiment device as claimed in claim 6, wherein the clamping plate comprises an insertion block, an insertion rod and a compression spring, the clamping plate is of an arc structure, the insertion block is arranged on one side of the clamping plate and is slidably connected with the connecting frame through a mounting groove, two insertion rods are arranged on the clamping plate and are positioned on the upper side and the lower side of the insertion block, the compression spring is sleeved on each of the two insertion rods, the insertion rods are slidably inserted on the connecting frame, and the compression spring is supported between the clamping plate and the connecting frame.

8. The animal impact injury simulation experiment equipment as claimed in claim 5, wherein the collecting tank comprises a pad net and a connecting plate, the collecting tank is in a trapezoidal section cavity structure, the collecting tank is connected with the mounting frame through the connecting plate, the pad net is arranged in the cavity of the collecting tank, and the pad net is connected with the collecting tank in an embedded mode.

9. The animal impact injury simulation experiment device as claimed in claim 2, wherein the servo motor comprises a driving gear, a driven gear and a reciprocating screw rod, the driving gear is arranged on a rotating shaft of the servo motor, the reciprocating screw rod is located in the reaction box and is rotatably connected with the reaction box through a bearing, the driven gear is arranged at the rear end of the reciprocating screw rod, and the driven gear is meshed with the driving gear.

10. The animal impact injury simulation experiment equipment as claimed in claim 2, wherein the scraper comprises a second slider, a connecting rod, a sliding sleeve and a protruding shaft, the second slider is arranged at the bottom end of the scraper and is slidably connected with the reaction box through a sliding groove, the connecting rod is arranged at one side of the scraper, the sliding sleeve is arranged at the end part of the connecting rod, the sliding sleeve is of an annular structure, two protruding shafts are arranged in the sliding sleeve, the sliding sleeve is sleeved on the reciprocating screw rod, and the protruding shafts are clamped with the reciprocating screw rod.

Technical Field

The invention belongs to the technical field of animal experiment equipment, and particularly relates to simulation experiment equipment for animal impact injury.

Background

The method mainly comprises the steps of utilizing the shock wave generated by the shock wave to simulate a battlefield shock environment to establish an animal shock injury model.

For example, application No.: the invention of CN202010815805.7 discloses a shock tube experimental device for simulating animal breast impact injury, which comprises a high-pressure gas cylinder, a gas supply pipe, a high-pressure pipe, a diaphragm, a low-pressure pipe, an animal fixing mechanism and a membrane breaking mechanism, wherein the membrane breaking mechanism comprises: the hammer comprises a support, an electromagnet, a hammer tube, a hammer needle, a reset spring, a sliding block and a hammer spring, wherein the hammer needle is slidably arranged in the hammer tube, the hammer tube is arranged at one end, far away from a diaphragm, of the hammer tube, the sliding block is slidably arranged in the hammer tube, the electromagnet is arranged at one end, far away from the hammer needle tube, of the hammer tube, the hammer spring is arranged between the electromagnet and the sliding block, the reset spring is arranged on the hammer needle to enable the hammer needle to be far away from the diaphragm, and the hammer needle tube and the hammer tube are arranged in a high-pressure tube through the support. According to the invention, the membrane is broken by the striker through the impact of the sliding block on the striker, so that the problem of poor experimental repeatability of the existing membrane breaking mode is solved, and the experimental precision of the shock tube experiment is improved.

Present animal impact injury simulation experiment equipment is when using, the cleanness in the proof box can be polluted to animal hair and blood that produces, artifical clearance is more troublesome, and animal clamping position is difficult to be adjusted, hardly to animal head, different positions such as thorax carry out the impact experiment, influence the accuracy of experimental result, the skew takes place easily in the slip of piston plate among the stamping process simultaneously, the punching press gas that leads to producing is unstable, and can produce a large amount of water after the reaction of gas in the reaction box, water stain is attached to on the observation window, lead to observing the obstructed sight.

Disclosure of Invention

In order to solve the technical problems, the invention provides animal impact injury simulation experiment equipment, which aims to solve the problems that when the existing animal impact injury simulation experiment equipment is used, the generated animal hair and blood can pollute the cleanness in a test box, the manual cleaning is troublesome, the animal clamping position is not easy to adjust, the impact experiment on different parts such as the head, the chest and the like of an animal is difficult to carry out, the accuracy of an experiment result is influenced, meanwhile, a piston plate is easy to shift in a sliding process, so that the generated stamping gas is unstable, a large amount of water is generated after the gas in a reaction box reacts, and the water stain is attached to an observation window, so that the observation sight is blocked.

The invention relates to a purpose and an effect of simulation experiment equipment for animal impact injury, which are achieved by the following specific technical means:

a simulation experiment device for animal impact injury comprises a base; a pressure increasing box is arranged at the top of the base, a reaction box is arranged at the front end of the pressure increasing box, and a pressure measuring meter is arranged between the pressure increasing box and the reaction box; a control console is arranged on the left side of the base, a gas tank is arranged in the control console, and the gas tank is communicated with the pressurizing box through a communicating pipe; the front end of the reaction box is provided with a driving box, and the front end of the driving box is provided with a test box.

Further, the reaction box includes observation window, install bin and spout, and the reaction box leads to the cavity structure for the rectangle, and has seted up two spouts in the bottom of the reaction box cavity to two spouts are the symmetric mode and distribute, and the reaction box bottom is equipped with the install bin, and is equipped with servo motor in the install bin, is equipped with two scraper blades in the reaction box cavity, and the scraper blade is corresponding with the spout.

Furthermore, the driving box comprises a fixing frame and a piston, the driving box is of a cylindrical through cavity structure, the fixing frame is arranged in a cavity of the driving box, the piston is arranged in the cavity of the driving box, and the piston is in sliding connection with the driving box;

the fixing frame is of an annular structure and is fixedly connected with the driving box through transverse plates on the left side and the right side, the front end of the fixing frame is provided with a restoring spring, and the front end of the restoring spring is connected with the piston;

the piston, the piston rear end is equipped with the push rod, and the push rod slips in the mount to the push rod rear end is equipped with the push pedal, and the push pedal front end is equipped with two slide bars, and two slide bars are parallel mode and distribute, and the slide bar slips in mount both sides diaphragm.

Further, the proof box includes connecting seat and high-pressure tube, and the proof box is the rectangle cavity structure, and is equipped with the high-pressure pipe in the proof box cavity, and the high-pressure pipe leads to the chamber structure for the toper, and the high-pressure tube communicates with each other with the drive box through the connecting seat, is equipped with two mounting brackets in the proof box cavity, and the mounting bracket is located high-pressure tube the place ahead.

Further, the mounting bracket includes the spacing groove, and two mounting brackets are the square pole that vertical mode distributes, and the spacing groove has been seted up at the mounting bracket rear portion, all is equipped with two links on two mounting brackets, and the link below is equipped with the collecting vat.

Further, the link includes mounting groove, first slider and adjusting bolt, and the mounting groove has been seted up to link one end, and mounting groove department is equipped with splint, and the link front end is equipped with first slider, and first slider passes through spacing groove and mounting bracket sliding connection to control through adjusting bolt.

Further, splint include inserted block, inserted bar and compression spring, and splint are the arc structure, and splint one side is equipped with the inserted block, and the inserted block passes through mounting groove and link sliding connection, are equipped with two inserted bars on the splint, and both sides about two inserted bars are located the inserted block to all the cover is equipped with compression spring on two inserted bars, and the inserted bar slides and inserts on the link, and compression spring supports between splint and link.

Further, the collecting vat is trapezoidal cross section cavity structure including filling up net and connecting plate, collecting vat, and the collecting vat is connected with the mounting bracket through the connecting plate, is equipped with in the collecting vat cavity and fills up the net, and fills up the mode that the net is connected with the collecting vat through the embedding.

Furthermore, servo motor includes driving gear, driven gear and reciprocal lead screw, is equipped with the driving gear in servo motor's the pivot, and reciprocal lead screw is located the reaction box, and reciprocal lead screw passes through the bearing and is connected with the reaction box rotation, and reciprocal lead screw rear end is equipped with driven gear, and driven gear and driving gear meshing are connected.

Further, the scraper blade includes second slider, connecting rod, sliding sleeve and protruding axle, and the scraper blade bottom is equipped with the second slider, and the second slider passes through spout and reaction box sliding connection, and scraper blade one side is equipped with the connecting rod, and the connecting rod tip is equipped with the sliding sleeve, and the sliding sleeve is the loop configuration, and is equipped with two protruding axles in the sliding sleeve, and the sliding sleeve suit is on reciprocal lead screw, and protruding axle and reciprocal lead screw looks joint.

Compared with the prior art, the invention has the following beneficial effects:

1. because the collecting tank is of a trapezoidal section cavity structure and is connected with the mounting frame through the connecting plate, the pad net is arranged in the cavity of the collecting tank and is connected with the collecting tank in an embedded mode, after an impact test is carried out on an animal, the generated animal hair and blood are collected through the collecting tank, and therefore cleanness in the test box is guaranteed;

2. because the reaction box is communicated with the driving box, after gas in the reaction box reacts, the generated high-pressure gas enters the driving box and pushes the piston to slide in the driving box, and the push plate slides with the fixed frame through the two sliding rods, so that the push rod is always positioned at the central position of the fixed frame, and the piston is ensured to be more stably stamped;

3. in the experimental process, the small animal is clamped by the clamping plates on the left side and the right side, wherein the first sliding block of the connecting frame can be in sliding connection with the mounting frame through the limiting groove and is controlled by the adjusting bolt, so that the height of the small animal is adjusted, the requirement that the thoracic cavity or other parts of the body of the small animal correspond to the orifice of the high-pressure pipe is met, and the simulation experimental result is more accurate;

4. this device is provided power by servo motor, utilizes driving gear and driven gear transmission, makes reciprocal lead screw drive the scraper blade of the left and right sides and slide around the spout, clears up through the water stain that the scraper blade produced after the gas reaction on to the observation window to the gaseous reaction condition in the observation reaction box that can be better.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic axial view of the present invention.

Fig. 2 is a schematic view of the rotational angle structure drawn from fig. 1.

FIG. 3 is a schematic view of the cross-sectional view of the reaction chamber of the present invention.

Fig. 4 is a schematic view of the squeegee configuration of the present invention.

Fig. 5 is a schematic view of the cross-sectional view of the driving box of the present invention.

Fig. 6 is a schematic structural view of the fixed frame and the piston shown in fig. 5 in a separated state.

Fig. 7 is a schematic view of the cross-sectional view structure of the test chamber of the present invention.

Fig. 8 is a schematic structural view of fig. 7 with the test chamber removed.

Fig. 9 is a structural view illustrating an exploded state of the link and the clamping plate according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a base; 2. a pressurizing box; 3. a reaction box; 301. an observation window; 302. installing a box; 303. a chute; 4. a drive box; 401. a fixed mount; 4011. a restoring spring; 402. a piston; 4021. a push rod; 4022. pushing the plate; 4023. a slide bar; 5. a test chamber; 501. a connecting seat; 502. a high pressure pipe; 6. a console; 7. a mounting frame; 701. a limiting groove; 8. a connecting frame; 801. mounting grooves; 802. a first slider; 803. adjusting the bolt; 9. a splint; 901. inserting a block; 902. inserting a rod; 903. a compression spring; 10. collecting tank; 1001. a mat net; 1002. a connecting plate; 11. a servo motor; 1101. a driving gear; 1102. a driven gear; 1103. a reciprocating screw rod; 12. a squeegee; 1201. a second slider; 1202. a connecting rod; 1203. a sliding sleeve; 1204. a protruding shaft; 13. a gas tank; 14. a communication pipe is provided.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 9:

the invention provides a simulation experiment device for animal impact injury, which comprises a base 1; the top of the base 1 is provided with a pressure increasing box 2, the front end of the pressure increasing box 2 is provided with a reaction box 3, and a pressure measuring meter is arranged between the pressure increasing box 2 and the reaction box 3; the reaction box 3 comprises an observation window 301, a mounting box 302 and a chute 303, the reaction box 3 is of a rectangular through cavity structure, the bottom of a cavity of the reaction box 3 is provided with two chutes 303, the two chutes 303 are symmetrically distributed, the bottom of the reaction box 3 is provided with the mounting box 302, a servo motor 11 is arranged in the mounting box 302, two scraping plates 12 are arranged in the cavity of the reaction box 3, and the scraping plates 12 correspond to the chutes 303; a control console 6 is arranged on the left side of the base 1, a gas tank 13 is arranged in the control console 6, and the gas tank 13 is communicated with the pressurizing box 2 through a communicating pipe 14; the front end of the reaction box 3 is provided with a driving box 4, and the front end of the driving box 4 is provided with a test box 5; the test box 5 comprises a connecting seat 501 and a high-pressure pipe 502, the test box 5 is of a rectangular cavity structure, the high-pressure pipe 502 is arranged in the cavity of the test box 5, the high-pressure pipe 502 is of a conical through cavity structure, the high-pressure pipe 502 is communicated with the driving box 4 through the connecting seat 501, two mounting frames 7 are arranged in the cavity of the test box 5, and the mounting frames 7 are positioned in front of the high-pressure pipe 502; the mounting rack 7 comprises limiting grooves 701, the two mounting racks 7 are rectangular rods vertically distributed, the limiting grooves 701 are formed in the rear portions of the mounting racks 7, two connecting racks 8 are arranged on the two mounting racks 7, and collecting grooves 10 are formed below the connecting racks 8; as shown in fig. 8, the collecting tank 10 includes a mat 1001 and a connecting plate 1002, the collecting tank 10 is a cavity structure with a trapezoidal section, the collecting tank 10 is connected to the mounting rack 7 through the connecting plate 1002, the mat 1001 is disposed in the cavity of the collecting tank 10, and the mat 1001 is connected to the collecting tank 10 by embedding, after the impact test is performed on the animal, the generated animal hair and blood are collected by the collecting tank 10.

As shown in fig. 5 and 6, the driving box 4 includes a fixing frame 401 and a piston 402, the driving box 4 is a cylindrical through cavity structure, the fixing frame 401 is disposed in the cavity of the driving box 4, the piston 402 is disposed in the cavity of the driving box 4, and the piston 402 is slidably connected with the driving box 4;

the fixing frame 401 is of an annular structure, the fixing frame 401 is fixedly connected with the driving box 4 through transverse plates on the left side and the right side, a restoring spring 4011 is arranged at the front end of the fixing frame 401, and the front end of the restoring spring 4011 is connected with the piston 402;

the piston 402, the push rod 4021 is arranged at the rear end of the piston 402, the push rod 4021 is slidably inserted in the fixing frame 401, the push plate 4022 is arranged at the rear end of the push rod 4021, two sliding rods 4023 are arranged at the front end of the push plate 4022, the two sliding rods 4023 are distributed in a parallel mode, the sliding rods 4023 are slidably inserted in transverse plates at two sides of the fixing frame 401, and as the reaction box 3 is communicated with the driving box 4, after the gas in the reaction box 3 reacts, the generated high-pressure gas enters the driving box 4 and pushes the piston 402 to slide in the driving box 4, wherein the push plate 4022 slides with the fixing frame 401 through the two sliding rods 4023, so that the push rod 4021 is always located at the center position of the fixing frame 401.

As shown in fig. 8 and 9, the connecting frame 8 includes an installation groove 801, a first slider 802 and an adjusting bolt 803, the installation groove 801 is formed at one end of the connecting frame 8, a clamping plate 9 is arranged at the installation groove 801, and the first slider 802 is arranged at the front end of the connecting frame 8;

splint 9 includes inserted block 901, inserted bar 902 and compression spring 903, splint 9 is the arc structure, and splint 9 one side is equipped with inserted block 901, and inserted block 901 passes through mounting groove 801 and 8 sliding connection of link, be equipped with two inserted bars 902 on splint 9, and two inserted bars 902 are located both sides about the inserted block 901, and all overlap on two inserted bars 902 and be equipped with compression spring 903, inserted bar 902 slides and inserts on link 8, and compression spring 903 supports between splint 9 and link 8, in the experimentation, the toy presss from both sides tightly through the splint 9 of the left and right sides, wherein, first slider 802 of link 8 can be through spacing groove 701 and mounting bracket 7 sliding connection, and control through adjusting bolt 803, thereby adjust the height of toy, and then satisfy that its thorax or other positions of health correspond with the high-pressure tube 502 mouth of pipe.

As shown in fig. 3 and 4, the servo motor 11 includes a driving gear 1101, a driven gear 1102 and a reciprocating lead screw 1103, the driving gear 1101 is disposed on a rotating shaft of the servo motor 11, the reciprocating lead screw 1103 is located in the reaction box 3, the reciprocating lead screw 1103 is rotatably connected with the reaction box 3 through a bearing, the driven gear 1102 is disposed at the rear end of the reciprocating lead screw 1103, and the driven gear 1102 is engaged with the driving gear 1101;

scraper 12 includes second slider 1201, connecting rod 1202, sliding sleeve 1203 and protruding axle 1204, scraper 12 bottom is equipped with second slider 1201, and second slider 1201 passes through spout 303 and 3 sliding connection of reaction box, scraper 12 one side is equipped with connecting rod 1202, and the connecting rod 1202 tip is equipped with sliding sleeve 1203, sliding sleeve 1203 is the loop configuration, and be equipped with two protruding axles 1204 in the sliding sleeve 1203, sliding sleeve 1203 suit is on reciprocal lead screw 1103, and protruding axle 1204 and reciprocal lead screw 1103 looks joint, this device is provided power by servo motor 11, utilize driving gear 1101 and driven gear 1102 transmission, make reciprocal lead screw 1103 drive left and right sides's scraper 12 slide around spout 303, clear up the water stain that produces after the gas reaction on observation window 301 through scraper 12, thereby the gas reaction condition in the reaction box 3 that can be better observation.

In another embodiment, two sliding rods 4023 are sleeved with supporting springs, and the supporting springs are supported between the pushing plate 4022 and the horizontal plate of the fixing frame 401, so that the piston 402 slides more stably, the pushing rod 4021 is further ensured to be always located at the center of the fixing frame 401, and the reliability of the stamping of the piston 402 is improved.

The specific use mode and function of the embodiment are as follows:

in the using process, firstly, as the reaction box 3 is communicated with the driving box 4, after gas in the reaction box 3 reacts, the generated high-pressure gas enters the driving box 4 and pushes the piston 402 to slide in the driving box 4, wherein the push plate 4022 slides with the fixed frame 401 through the two sliding rods 4023, so that the push rod 4021 is always positioned at the center of the fixed frame 401;

secondly, the first sliding block 802 of the connecting frame 8 can be slidably connected with the mounting frame 7 through the limiting groove 701 and controlled through the adjusting bolt 803, so that the height of the small animal can be adjusted, and the requirement that the thorax or other parts of the body of the small animal correspond to the orifice of the high-pressure tube 502 is met; meanwhile, a pad net 1001 is arranged in a cavity of the collecting tank 10, the pad net 1001 is connected with the collecting tank 10 in an embedded mode, and after an animal is subjected to an impact test, generated animal hair and blood are collected through the collecting tank 10;

in addition, power is provided by the servo motor 11, the driving gear 1101 and the driven gear 1102 are used for transmission, the reciprocating screw 1103 drives the scraping plates 12 on the left side and the right side to slide back and forth along the sliding grooves 303, water stains generated after gas reaction on the observation window 301 are cleaned through the scraping plates 12, and therefore the gas reaction condition in the reaction box 3 can be better observed.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.