CN210185756U - Local damage test explosion rack - Google Patents

Abstract

The application discloses can bear local damage test explosion frame of different explosion shock waves, it includes: a frame body; the bearing plate is arranged on the frame body and is provided with a first through hole through which explosion shock waves can pass; the adjusting plate is rotatably connected with the bearing plate and is provided with a plurality of second through holes, and the second through holes can be opposite to the first through holes; wherein the plurality of second through holes have different apertures from each other. The local damage test explosion frame of this application can set up to enclose into a week, is equipped with the measurand on every explosion frame, suspends the explosive in midair in centre of a circle department to place explosion frame and shock wave measuring device at the circumference, this application is through imitating real explosion environment, and can changeably accept the explosion shock wave that causes the local damage, be convenient for research damage after the blast and carry out effectual intervention means.

Description

Local damage test explosion rack

Technical Field

The application relates to the field of medical equipment, in particular to an explosion rack for a local damage test.

Background

Traumatic brain injury refers to brain injury resulting from external mechanical forces acting on the brain due to a variety of factors (fall events, firearm strikes, explosions, etc.). Craniocerebral blast injury is an important type of traumatic brain injury, and is receiving increasing attention. Craniocerebral blast injury is caused by explosion operation and industrial operation. The craniocerebral blast injury has the following characteristics: the injury is serious, the injury is complex, the postinjury complication is many, the death and the disability rate are high. Therefore, intensive research on the injury mechanism of craniocerebral blast injury and an effective protection method thereof is urgently needed. Although scholars at home and abroad design and develop various animal craniocerebral explosion injury models and simulation devices, the accuracy, repeatability and controllability of the models are still unsatisfactory.

The information disclosed in this background section is only for enhancement of understanding of the general background of the application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Disclosure of Invention

The application aims to provide a local damage test explosion rack capable of bearing explosion shock waves of different degrees.

In order to solve the above problem, the present application relates to a local damage test explosion rack, including: a frame body; the bearing plate is arranged on the frame body and is provided with a first through hole through which explosion shock waves can pass; the adjusting plate is rotatably connected with the bearing plate and is provided with a plurality of second through holes, and the second through holes can be opposite to the first through holes; wherein the plurality of second through holes have different apertures from each other.

Further, the adjusting plate is circular, and the second through holes are uniformly arranged along the circumferential direction of the adjusting plate.

Further, the bearing plate is rectangular, and the first through hole is formed in the upper portion of the bearing plate.

Further, the aperture of one of the plurality of second through holes is the same as the aperture of the first through hole.

Further, the maximum aperture of the plurality of second through holes is the same as the aperture of the first through hole.

Further, the number of the second through holes is six.

Furthermore, the aperture of the second through hole is as follows in sequence: 30 mm, 25 mm, 20 mm, 15 mm, 10 mm and 5 mm.

Further, the bearing plate is connected with the adjusting plate through a rotating shaft.

Furthermore, one side of the bearing plate is provided with a plurality of fixing parts which can be hooks.

The beneficial effect of this application is: the local damage test explosion frame of this application can set up to enclose into a week, is equipped with the measurand on every explosion frame, suspends the explosive in midair in centre of a circle department to place explosion frame and shock wave measuring device at the circumference, this application is through imitating real explosion environment, and can changeably accept the explosion shock wave that causes the local damage, be convenient for research damage after the blast and carry out effectual intervention means.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

fig. 1 is a schematic perspective view of a local damage test explosive rack according to an embodiment of the application;

fig. 2 is an exploded structural schematic diagram of a local damage test explosion rack according to an embodiment of the application.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. 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 application.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "configured" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 and 2, the present application relates to a local damage test explosion rack, which comprises: support body 1, loading board 2 and regulating plate 3.

The frame body 1 may be made of metal, the frame body 1 includes a triangular bracket 11 disposed at a lower portion, and a connecting bracket 12 disposed at an upper portion, and the connecting bracket 12 may include a rectangular frame for supporting and connecting the bearing plate 2.

The bearing plate 2 is arranged on the frame body 1, specifically, the bearing plate 2 can be fixed on the connecting bracket 12 of the frame body 1, further, the bearing plate 2 can be made of metal and is approximately rectangular, and the shape of the rectangular bearing plate 2 can correspond to the shape of the rectangular frame of the connecting bracket 12 so as to be stably fixed on the rectangular frame. In addition, the loading plate 2 is further provided with a first through hole 2a, and more specifically, the first through hole 2a may be disposed at an upper portion of the loading plate 2. Furthermore, a plurality of fixing portions 21 are provided on one side of the carrier plate 2, for example, the side facing away from the source of the explosion, and the fixing portions 21 include, but are not limited to, hooks or protrusions, so that a test object, such as a test organism or an object, can be hung on the carrier plate 2 through the fixing portions 21. In conducting the explosion test, the explosion shock wave of the explosion source can be applied to the test object through the first through-hole 2 a.

The adjusting plate 3 is rotatably connected to the carrier plate 2, i.e. the adjusting plate 3 is connected to the carrier plate 2 and can also be rotated relative to the carrier plate 2. Specifically, the bearing plate 2 is connected with the adjusting plate 3 through a rotating shaft (not shown in the figure), so that the adjusting plate 3 can rotate relative to the bearing plate 2.

In addition, a plurality of second through holes 3a are provided in the adjustment plate 3, and the positions of the second through holes 3a can be opposite to the positions of the first through holes 2 a. Specifically, the adjustment plate 3 is substantially circular, and the plurality of second through holes 3a are uniformly arranged in the circumferential direction of the adjustment plate 3. The plurality of second through holes 3a have different hole diameters, that is, the plurality of second through holes 3a have hole diameters uniformly arranged in the circumferential direction of the adjustment plate 3 according to the size of the hole diameter (for example, from large to small). Wherein the aperture of at least one second through-hole 3a is the same as the aperture of the first through-hole 2a, so that the blast shock wave of the explosive source can completely pass through the first and second through-holes and can be applied to the test object.

Further, the maximum aperture of the plurality of second through holes 3a is the same as the aperture of the first through hole 2 a. Furthermore, the number of the second through holes 3a is six, and the hole diameters are sequentially as follows: 30 mm, 25 mm, 20 mm, 15 mm, 10 mm and 5 mm.

When using, the experimental explosion frame of local damage of this application can enclose into a week, is equipped with the measurand on every explosion frame, for example the rat, suspends the explosive in midair in centre of a circle department, for example detonator and TNT to place rat explosion frame and shock wave measuring device at the circumference, this application is through imitating real explosion environment, simple local damage, the damage and the effectual intervention means of carrying out after the research blast injury of being convenient for.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application are included in the protection scope of the present application.

Claims (10)

1. A local damage test explosion rack, comprising:

a frame body (1);

the bearing plate (2) is arranged on the frame body (1) and is provided with a first through hole (2a) through which an explosion shock wave can pass;

the adjusting plate (3) is rotatably connected with the bearing plate (2) and is provided with a plurality of second through holes (3a), and the second through holes (3a) can be opposite to the first through holes (2 a);

wherein the plurality of second through holes (3a) have different diameters from each other.

2. The local damage test explosive stand according to claim 1, characterized in that said adjusting plate (3) is circular; and the plurality of second through holes (3a) are uniformly arranged in the circumferential direction of the regulating plate (3).

3. The local damage test explosive rack according to claim 1, characterized in that said carrier plate (2) is rectangular and said first through hole (2a) is provided at the upper part of said carrier plate (2).

4. The local damage test explosive rack according to claim 1, wherein the aperture of one of said plurality of second through holes (3a) is the same as the aperture of said first through hole (2 a).

5. The local damage test explosive rack according to claim 4, wherein a maximum aperture of a second through hole of said plurality of second through holes (3a) is the same as an aperture of said first through hole (2 a).

6. A local damage test explosive rack according to claim 1, characterized in that said second through holes (3a) are six in number.

7. The local damage test explosive rack according to claim 6, wherein the aperture of said second through hole (3a) is in the order: 30 mm, 25 mm, 20 mm, 15 mm, 10 mm and 5 mm.

8. The local damage test explosive rack according to claim 1, characterized in that the bearing plate (2) and the adjusting plate (3) are connected through a rotating shaft.

9. A localized damage test stand according to claim 1, characterized in that one side of the carrier plate (2) is provided with a plurality of fastening portions (21).

10. The local damage test explosive rack according to claim 9, characterized in that said fixing part (21) is a hook.

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