CN-122016216-A - Underwater explosion impact protection test device and method

CN122016216ACN 122016216 ACN122016216 ACN 122016216ACN-122016216-A

Abstract

The invention discloses an underwater explosion impact protection test device and an underwater explosion impact protection test method, wherein the underwater explosion impact protection test device comprises a floating impact platform, a deck structure, an impact-resistant facility and a dummy model, wherein the floating impact platform is arranged in a test water area, the deck structure is arranged on the floating impact platform and used for simulating a ship deck, the impact-resistant facility is arranged on the deck structure and used for simulating deck protection, and the dummy model is provided with a sensing detection module and is configured to be protected by the impact-resistant facility. Based on the technical scheme disclosed by the invention, the impact response information on the dummy model can be recorded in real time so as to realize effective test on the protection performance of the impact-resistant facility, and the method is simple to operate, has wide application scene, can be close to the actual underwater explosion impact environment, and greatly improves the test reliability.

Inventors

LI YINGGANG
XIAO WEN
LI XUANYU
LI XIAOBIN
QIN YUNLONG

Assignees

武汉理工大学

Dates

Publication Date: 20260512
Application Date: 20260122

Claims (10)

1. An underwater blast impact protection test device, comprising: a floating impact platform configured in a test water area; The deck structure is arranged on the floating impact platform and is used for simulating a ship deck; An impact resistant facility disposed on the deck structure for simulating deck protection, and A dummy model having a sensing module disposed thereon and configured to be protected by the impact resistant facility.
2. The underwater blast impact protection test apparatus of claim 1, wherein at least two dummy models are provided, each of the dummy models being provided at a different position of the deck structure, respectively.
3. An underwater blast impact protection test apparatus as claimed in claim 2, wherein at least one of said dummy models is provided on said deck structure in the form of a simulated standing position.
4. The underwater blast impact protection test apparatus of claim 1, wherein the deck structure comprises: the panel is used for bearing the impact-resistant facility and the dummy model; a plurality of first cross beams fixedly arranged at the bottom of the panel, and And the at least two second cross beams are respectively arranged on two opposite sides of the panel and are used for connecting the floating impact platform.
5. The underwater blast impact protection test apparatus of claim 4, further comprising a plurality of fixed connection members fixedly disposed on the floating impact platform and fixedly connected to each of the second cross beams, respectively.
6. The underwater blast impact protection test apparatus of claim 1, wherein said test apparatus further comprises: A plurality of acceleration sensors respectively arranged at different positions on the deck structure, and/or At least one low frequency vibrator is arranged in the middle of the deck structure.
7. The underwater blast impact protection test apparatus of claim 6, wherein said plurality of acceleration sensors comprises: a plurality of first acceleration sensors respectively arranged on the periphery side of the deck structure, and/or At least one second acceleration sensor is arranged at the middle position of the deck structure.
8. The underwater blast impact protection test device of claim 1, wherein the sensing detection module is one or a combination of three-way force-moment sensor, pressure sensor, inertial measurement unit, strain sensor, fiber bragg grating strain sensor, temperature sensor and displacement sensor.
9. The underwater blast impact protection test apparatus of claim 1, wherein the floating impact platform is further connected with at least one positioning cable for securing the floating impact platform to the test water area.
10. An underwater blast impact protection test method, characterized in that an underwater blast impact protection test apparatus as claimed in any one of claims 1 to 9 is applied, comprising the steps of: S1, installing a deck structure on a floating impact platform, and arranging impact-resistant facilities on the deck structure; S2, determining the gesture and the position of each dummy model according to test requirements, and arranging each dummy model on a deck structure; S3, respectively installing an acceleration sensor and a low-frequency vibrator at each preset position of the deck structure; s4, determining the relative position of the floating impact platform and the explosion point according to the test requirement, and fixing the floating impact platform at the designated position of the test water area; S5, simulating underwater explosion at the designated position and collecting impact response data.

Description

Underwater explosion impact protection test device and method Technical Field The invention relates to the technical field of human body injury test under the action of explosion and collision impact, in particular to an underwater explosion impact protection test device and method. Background When the impact response exceeds the tolerance limit value which can be born by the human body, the crewman is inevitably damaged by the impact. The impact-resistant facility can effectively attenuate impact load, and achieves the purposes of protecting lower limbs of a human body and avoiding or relieving impact damage. In the related art, the purpose of the impact-resistant facility protection performance test is mainly to test the protection performance of the impact-resistant facility, which is mainly to simulate explosion impact by a double wave impact machine, a pendulum impact and the like, and to test by animals. However, because the anatomical structure, morphological characteristics, material characteristics and the like of animals are greatly different from human bodies, the data of animal experiments are difficult to popularize to human bodies. Meanwhile, the means of simulating the explosion impact are also quite different from the explosion impact in the actual environment, the rigidity of the impact surface and the environmental error are required to a certain extent, and only the equipment with light weight and small volume can be usually checked, so that the application is limited, and the reliability of the test result is doubtful. Disclosure of Invention The invention aims to overcome the technical defects, and provides an underwater explosion impact protection test device and an underwater explosion impact protection test method, which solve the technical problems that the application of the underwater explosion impact protection test in the prior art is limited and the test reliability is insufficient. In order to achieve the technical purpose, the invention adopts the following technical scheme: in a first aspect, the present invention provides an underwater blast impact protection test apparatus comprising: a floating impact platform configured in a test water area; The deck structure is arranged on the floating impact platform and is used for simulating a ship deck; An impact resistant facility disposed on the deck structure for simulating deck protection, and A dummy model having a sensing module disposed thereon and configured to be protected by the impact resistant facility. In some embodiments, at least two of the dummy models are provided, each of the dummy models being provided at a different location of the deck structure. In some embodiments, at least one of the dummy models is provided on the deck structure in the form of a simulated standing position. In some embodiments, the deck structure comprises: the panel is used for bearing the impact-resistant facility and the dummy model; a plurality of first cross beams fixedly arranged at the bottom of the panel, and And the at least two second cross beams are respectively arranged on two opposite sides of the panel and are used for connecting the floating impact platform. In some embodiments, the test device further comprises a plurality of fixed connectors fixedly arranged on the floating impact platform and fixedly connected with the second cross beams respectively. In some embodiments, the test device further comprises: A plurality of acceleration sensors respectively arranged at different positions on the deck structure, and/or At least one low frequency vibrator is arranged in the middle of the deck structure. In some embodiments, the plurality of acceleration sensors includes: a plurality of first acceleration sensors respectively arranged on the periphery side of the deck structure, and/or At least one second acceleration sensor is arranged at the middle position of the deck structure. In some embodiments, the sensing detection module is a combination of one or more of a three-way force-moment sensor, a pressure sensor, an inertial measurement unit, a strain sensor, a fiber grating strain sensor, a temperature sensor, and a displacement sensor. In some embodiments, at least one positioning cable is also connected to the floating impact platform for securing the floating impact platform to the test body of water. In a second aspect, the present invention also provides an underwater explosion impact protection test method, using the underwater explosion impact protection test device according to the first aspect, comprising the steps of: S1, installing a deck structure on a floating impact platform, and arranging impact-resistant facilities on the deck structure; S2, determining the gesture and the position of each dummy model according to test requirements, and arranging each dummy model on a deck structure; S3, respectively installing an acceleration sensor and a low-frequency vibrator at each preset position of the deck structure;