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CN-122016521-A - Safety net impact performance detection device

CN122016521ACN 122016521 ACN122016521 ACN 122016521ACN-122016521-A

Abstract

The invention discloses a safety net impact performance detection device, and relates to the technical field of safety net test equipment. The safety net impact performance detection device comprises a base, a first linear motor is fixedly connected to the top of the base, an outer frame is fixedly connected to the top of the base, an impact mechanism is arranged on the top of the first linear motor, the impact mechanism comprises an inner frame fixedly connected to the top of a rotor of the first linear motor, a test ball is rotatably connected to the inside of a disc frame through a reel and a steel cable, and a lubrication protection assembly is arranged on the front face of the disc frame. This safety net impact performance detection device through setting up lubricated protection component, fixed establishment, clear subassembly of getting rid of, has reduced the adverse effect that tiny fiber and other impurity caused the device operation process, has ensured the smooth degree of steel cable motion, realizes that the device is fixed to the stability of net material, supplementary detection reliability that has improved the device.

Inventors

  • LI WENKUI
  • LI GUANGPENG
  • FENG XIAOFENG
  • LIU SHASHA

Assignees

  • 江苏金陵网业有限公司

Dates

Publication Date
20260512
Application Date
20251211

Claims (9)

  1. 1. The utility model provides a safety net impact performance detection device, includes base (1), first linear motor (2) of base (1) top fixedly connected with, outer frame (3) of base (1) top fixedly connected with, wherein, first linear motor (2) top is provided with impact mechanism (4), impact mechanism (4) are including inner frame (41) of fixedly connected with first linear motor (2) active cell top, inner frame (41) bottom is provided with iron ball reel (42), iron ball reel (42) are including disk frame (421) of fixedly connected with U-shaped linear motor active cell bottom, disk frame (421) inside is connected with test ball (422) through reel and steel cable rotation, disk frame (421) openly is provided with lubrication protection subassembly (44); the lubrication protection assembly (44) includes: the dustproof cover (441) is fixedly connected to the outer surface of the tray frame (421), and a rectangular through hole is formed in the bottom of the dustproof cover (441); an oil drain pipe (442), wherein the oil drain pipe (442) is inserted on the right side of the dust cover (441); the oil distribution comb (443), oil distribution comb (443) is fixedly connected inside dust cover (441), oil distribution comb (443) cross section is the S-shaped, oil distribution comb (443) top cross section is the W-shaped.
  2. 2. The safety net impact performance detection device according to claim 1, wherein the bottom of the inner frame (41) is fixedly connected with an iron ball reel (42) through a U-shaped linear motor, the left side of the test ball reel (422) is connected with a clutch shaft (423), the clutch shaft (423) comprises a tooth shaft, the right side of the tooth shaft is in sliding connection with the left side of the test ball reel (422), the outer surface of the tooth shaft is rotationally connected with a sliding plate, the sliding plate is in sliding connection with the left side of the tray frame (421) through a push-pull electromagnet, a circular blind hole is formed in the left side of the tooth shaft, the tooth shaft is fixedly connected with a motor through the circular blind hole, the inner side of the outer surface of the inner frame (41) is provided with a speed measuring frame (43), and the speed measuring frame (43) comprises a photoelectric sensor fixedly connected to the inner side of the outer surface of the inner frame (41).
  3. 3. The safety net impact performance detecting device as set forth in claim 2, wherein the iron ball of the test ball (422) is located at the bottom of the dust cover (441), and the oil separation comb (443) is located at the bottom of the oil discharge pipe (442).
  4. 4. The safety net impact performance detection device according to claim 3, wherein the steel cable surface of the test ball (422) is slidably connected with a steel cable sleeve (444), the front surface and the back surface of the steel cable sleeve (444) are fixedly connected with sliding claws (445), the inner sides of the outer surfaces of the sliding claws (445) are rotationally connected with rollers, the inner sides of the outer surfaces of the sliding claws (445) are slidably connected with rectangular through holes at the bottoms of dust covers (441), the bottoms of the sliding claws (445) are fixedly connected with oil scraping covers (446), and the cross section of each oil scraping cover (446) is in an inverted hook shape.
  5. 5. The safety net impact performance detection device according to claim 1, wherein the fixing mechanism (5) is arranged at the top of the base (1), the fixing mechanism (5) comprises a mounting box (51) fixedly connected to the top of the base (1), a rectangular through hole is formed in the bottom of the mounting box (51), a swinging clamping plate (52) is arranged on the right side of the inner wall of the mounting box (51), the swinging clamping plate (52) comprises a swinging body (521) rotatably connected to the right side of the inner wall of the mounting box (51), and a pressing plate (522) is slidably connected to the top of the inner wall of the swinging body (521) through a hydraulic cylinder.
  6. 6. The device for detecting the impact performance of a safety net according to claim 5, wherein a toothed plate is fixedly connected to the bottom of the inner wall of the swinging body (521), and a ranging sensor (523) is fixedly connected to the bottom of the inner wall of the installation box (51).
  7. 7. The safety net impact performance detection device according to claim 6, wherein a fixing roller (53) is arranged on the front surface of the inner wall of the installation box (51), the fixing roller (53) comprises a roller body (531) rotatably connected to the front surface of the inner wall of the installation box (51), a fixing plate (532) is fixedly connected to the top of the roller body (531) through bolts, a motor is fixedly connected to the front surface of the roller body (531), and the fixing plate (532) is used for being matched with the roller body (531) to fix the end part of the safety net.
  8. 8. The safety net impact performance detection device according to claim 1, wherein the simulation mechanism (6) is arranged at the top of the outer frame (3), the simulation mechanism (6) comprises a spray disc (61) fixedly connected to the top of the outer frame (3), a circular through hole is formed in the bottom of the spray disc (61), the circular through hole in the bottom of the spray disc (61) is communicated with the top of the spray disc (61), and the spray disc (61) is located at the top of the inner frame (41).
  9. 9. The safety net impact performance detection device according to claim 8, wherein the cleaning and throwing assembly (62) is arranged at the bottom of the spraying disc (61), the cleaning and throwing assembly (62) comprises a mounting sleeve (621) fixedly connected to the bottom of the spraying disc (61) through a motor, hot scraping strips (622) are fixedly connected to the left side and the right side of the mounting sleeve (621), and heating wires are buried in the hot scraping strips (622).

Description

Safety net impact performance detection device Technical Field The invention relates to the technical field of safety net testing equipment, in particular to a safety net impact performance detection device. Background ‌ The safety net is used for preventing personnel or objects from falling, consists of a net body, side ropes, tethers, tendons and ropes and other members, has a net-shaped protection facility with enough strength and buffer performance, has the core functions of intercepting falling, dispersing impact, preventing flame and dust, and can be divided into a flat net and a vertical net according to an installation mode, and when ‌ impact performance is involved in the test, the safety net needs to be tensioned and fixed according to an actual use state so as to simulate a real stress environment; The utility model discloses a safety net check out test set for construction is disclosed to patent application of publication number CN214408391U, including casing, bull stick, square pole and two sleeve pipes, the fixed three fixed plates that are equipped with of upper inner wall of casing, the pole wall of bull stick is convoluteed through the reel and is had the stay cord, the fixed iron ball that is equipped with of lower extreme of stay cord, the pole wall of square pole cup joints with the activity of two sheathed tube inner walls respectively, the fixed first plectane that cup joints of left end pole wall of square pole and the activity of right-hand member pole wall have cup jointed the second plectane, the fixed spraying mechanism that is equipped with in left inside wall of casing, the left and right both inside walls of casing are fixed and are equipped with clamping device; The safety net check out test set that this patent provided, at its long-term in-process of using, the iron ball whereabouts probably can appear the jamming, and then leads to the iron ball in fact to being lighter than the impact force that the test required to the impact force that is exerted by the safety net that surveys, influences the accuracy of detecting the solution result, finally leads to the product quality control to descend. Disclosure of Invention Aiming at the defects of the prior art, the invention provides a safety net impact performance detection device for solving the problems in the background art. The safety net impact performance detection device comprises a base, wherein the top of the base is fixedly connected with a first linear motor, the top of the base is fixedly connected with an outer frame, the left side of the outer frame is fixedly connected with a control box, the top of the first linear motor is provided with an impact mechanism, the impact mechanism comprises an inner frame fixedly connected to the top of a first linear motor rotor, the bottom of the inner frame is provided with an iron ball winch wheel, the iron ball winch wheel comprises a tray frame fixedly connected to the bottom of a U-shaped linear motor rotor, the inside of the tray frame is rotatably connected with a test ball through a winch wheel and a steel cable, the test ball is used for testing the impact performance of the safety net through free falling motion impact of the safety net, and the front of the tray frame is provided with a lubrication protection assembly; The lubrication protection assembly includes: The dust cover is fixedly connected to the outer surface of the tray frame, a rectangular through hole is formed in the bottom of the dust cover, and the dust cover is used for blocking external tiny impurities and fibers from adhering to the surface of the steel cable; The oil drain pipe is inserted into the right side of the dust cover, the right side of the oil drain pipe is communicated with an external oil pump, and the oil drain pipe is used for draining lubricating oil; The oil distribution comb is fixedly connected inside the dust cover, the cross section of the oil distribution comb is S-shaped, the cross section of the top of the oil distribution comb is W-shaped, the oil distribution comb is positioned at the bottom of the oil drain pipe, and the oil distribution comb is used for distributing lubricating oil discharged by the oil drain pipe. Preferably, the inner frame bottom is through U-shaped linear electric motor fixedly connected with iron ball reel, the left side of test ball reel is sliding connection has the clutch axle, the clutch axle includes the tooth axle, tooth axle right side and test ball reel left side sliding connection, and tooth axle surface rotates and is connected with the slide, and the slide passes through push-and-pull electro-magnet sliding connection in a tray left side, and circular blind hole has been seted up in tooth axle left side, and the tooth axle is through circular blind hole fixedly connected with motor, the clutch axle is used for realizing release and the recovery of test ball, the inboard of inner frame surface is provided with the speed measuring frame, th