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CN-224231515-U - Bellows drop hammer experimental apparatus

CN224231515UCN 224231515 UCN224231515 UCN 224231515UCN-224231515-U

Abstract

The utility model discloses a corrugated pipe drop hammer experimental device, which belongs to the technical field of corrugated pipes and comprises a fixed plate and a PLC (programmable logic controller), wherein the upper surface of the fixed plate is fixedly connected with two limiting frames, the upper surface of the fixed plate is fixedly connected with a test concave block, the corrugated pipe is precisely placed through the test concave block, a drop hammer frame vertically falls in the limiting frames, a hammer body on the bottom surface of the drop hammer frame impacts the corrugated pipe, a real-time monitoring module is electrically connected with the PLC and matched with a displacement sensor, a force sensor, a display module, a ranging module and a high-speed camera module, so that data in the impact process can be monitored and recorded in real time, the displacement sensor and the ranging module precisely measure position and distance change, the force sensor monitors stress conditions in real time, the high-speed camera module captures dynamic images, and the data are visually presented through the display module after being processed by the PLC, so that the running state of the equipment is precisely monitored, and the running state of the equipment is comprehensively monitored in real time.

Inventors

  • ZHOU ZHAOQIANG
  • SHI BING
  • CHEN JIANJUN
  • ZHAO WEI
  • LI ZHONGSHU
  • ZHANG XIHAI

Assignees

  • 青岛宇通管业有限公司

Dates

Publication Date
20260512
Application Date
20250728

Claims (7)

  1. 1. Bellows falls hammer experimental apparatus, including fixed plate (1) and PLC controller (14), its characterized in that, the last fixed surface of fixed plate (1) is connected with two spacing frame (3), the last fixed surface of fixed plate (1) is connected with test concave block (5), two be equipped with between spacing frame (3) and fall hammer rest (7), the bottom surface fixedly connected with hammer body (8) of hammer rest (7), spread groove (12) have been seted up to the bottom surface of hammer body (8), the inside wall fixed mounting of spread groove (12) has high-speed camera module (13).
  2. 2. The bellows drop hammer experimental device according to claim 1, wherein two mounting holes (2) are formed in the upper surface of the fixing plate (1), and the inner ring of each mounting hole (2) is provided with threads.
  3. 3. The bellows drop hammer experimental device according to claim 1, wherein the upper surface of the fixing plate (1) is fixedly connected with two groups of reinforcing plates (4), and one side surface of the two groups of reinforcing plates (4) close to each other is fixedly connected with one side surface of the limiting frame (3) far away from each other.
  4. 4. The bellows drop hammer experimental device according to claim 1, wherein the upper surface of the fixing plate (1) is fixedly connected with two groups of reinforcing inclined blocks (6), one side surface of the two groups of reinforcing inclined blocks (6) close to each other is fixedly connected with the front surface of the test concave block (5) and the back surface of the test concave block (5) respectively, and one side surface of the two groups of reinforcing inclined blocks (6) far away from each other is fixedly connected with the inner side wall of the limiting frame (3).
  5. 5. The bellows drop hammer experimental device according to claim 1, wherein two guide grooves (9) are formed in the inner side wall of each limit frame (3), guide blocks (10) are slidably connected in the guide grooves (9), and one side surface, close to each other, of each guide block (10) is fixedly connected with the front surface of the drop hammer frame (7) and the back surface of the drop hammer frame (7) respectively.
  6. 6. The bellows drop hammer experimental device according to claim 1, wherein a positioning frame (11) is fixedly connected to the bottom surface of the drop hammer frame (7), and the inner side wall of the positioning frame (11) is fixedly connected with the outer surface of the hammer body (8).
  7. 7. The bellows drop hammer experimental device according to claim 1, wherein the PLC controller (14) is electrically connected with a real-time monitoring module (15) through a wire, the real-time monitoring module (15) is electrically connected with a displacement sensor (16) through a wire, the real-time monitoring module (15) is electrically connected with a force sensor (17) through a wire, the real-time monitoring module (15) is electrically connected with a display module (18) through a wire, the real-time monitoring module (15) is electrically connected with a ranging module (19) through a wire, and the real-time monitoring module (15) is electrically connected with a high-speed camera module (13) through a wire.

Description

Bellows drop hammer experimental apparatus Technical Field The utility model relates to the technical field of corrugated pipes, in particular to a falling weight experimental device for a corrugated pipe. Background The corrugated pipe is a tubular elastic sensitive element formed by connecting foldable corrugated sheets along the folding and stretching directions, is widely applied to instruments and meters, and is mainly used as a measuring element of a pressure measuring instrument to convert pressure into displacement or force, has thinner pipe wall and higher sensitivity, has a measuring range of tens Pa to tens MPa, has a fixed open end and a free sealing end, and increases elasticity by using an auxiliary spiral spring or reed. The corrugated pipe needs to bear various complicated working conditions in actual use, including high temperature, high pressure, corrosive media, mechanical impact and the like. The impact resistance is an important index for evaluating the bearing capacity and the damage form of the corrugated pipe when the corrugated pipe is subjected to external impact, however, the heavy hammer of the existing drop hammer device is usually guided through the guide rail, but due to the accuracy and the installation error of the guide rail, the impact position of the heavy hammer is difficult to precisely control, so that the corrugated pipe is stressed unevenly, and the reliability of the test result is affected. Disclosure of utility model The utility model aims to provide a bellows drop hammer experimental device for solving the problems in the background technology. In order to achieve the above purpose, the present utility model provides the following technical solutions: The corrugated pipe drop hammer experimental device comprises a fixed plate and a PLC (programmable logic controller), wherein two limiting frames are fixedly connected to the upper surface of the fixed plate, a test concave block is fixedly connected to the upper surface of the fixed plate, a drop hammer frame is arranged between the limiting frames, a hammer body is fixedly connected to the bottom surface of the drop hammer frame, a connecting groove is formed in the bottom surface of the hammer body, and a high-speed camera module is fixedly arranged on the inner side wall of the connecting groove. As a still further proposal of the utility model, the upper surface of the fixed plate is provided with two mounting holes, and the inner ring of each mounting hole is provided with threads. As a still further scheme of the utility model, the upper surface of the fixing plate is fixedly connected with two groups of reinforcing plates, and one side surfaces of the two groups of reinforcing plates, which are close to each other, are respectively and fixedly connected with one side surfaces of the limiting frame, which are far away from each other. As a still further scheme of the utility model, the upper surface of the fixing plate is fixedly connected with two groups of reinforcing inclined blocks, one side surfaces of the two groups of reinforcing inclined blocks, which are close to each other, are respectively and fixedly connected with the front surface of the test concave block and the back surface of the test concave block, and one side surfaces of the two groups of reinforcing inclined blocks, which are far away from each other, are respectively and fixedly connected with the inner side wall of the limiting frame. As a still further scheme of the utility model, the inner side wall of each limit frame is provided with two guide grooves, the inside of each guide groove is connected with a guide block in a sliding way, and one side surface of each guide block, which is close to each other, is fixedly connected with the front surface of the drop hammer frame and the back surface of the drop hammer frame respectively. As a still further proposal of the utility model, the bottom surface of the drop hammer frame is fixedly connected with a positioning frame, and the inner side wall of the positioning frame is fixedly connected with the outer surface of the hammer body. As a still further scheme of the utility model, the PLC is electrically connected with a real-time monitoring module through a wire, the real-time monitoring module is electrically connected with a displacement sensor through a wire, the real-time monitoring module is electrically connected with a force sensor through a wire, the real-time monitoring module is electrically connected with a display module through a wire, the real-time monitoring module is electrically connected with a ranging module through a wire, and the real-time monitoring module is electrically connected with a high-speed camera module through a wire. Compared with the prior art, the utility model has the beneficial effects that: This bellows falls hammer experimental apparatus, accurately place the bellows through the concave piece of test, fall the hammer carrier and fall perpendicul