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CN-120212391-B - Laser projection type non-contact margin measuring instrument

CN120212391BCN 120212391 BCN120212391 BCN 120212391BCN-120212391-B

Abstract

The invention relates to the technical field of measurement and metering, and discloses a laser projection type non-contact edge distance measuring instrument which comprises a laser measuring instrument, wherein a mounting hole is formed in the laser measuring instrument, a first matching mechanism is connected with an inner thread of the mounting hole, a gravity center adjusting mechanism is fixedly connected to the lower surface of the first matching mechanism, a second matching mechanism is fixedly connected to the lower surface of the gravity center adjusting mechanism, the laser projection type non-contact edge distance measuring instrument is flexibly matched with the mounting hole through the first matching mechanism, horizontal rotation is ensured, the horizontal use range is widened, meanwhile, a vertical sliding support is provided, the stability and the levelness of height adjustment are ensured, a gravity center adjusting mechanism is arranged, the measuring instrument coincides with the gravity center of a camera foot rest and is matched with elastic support to buffer vibration, the second matching mechanism is arranged, the device is suitable for different camera foot rests, the depth of the hole is accurately adjusted, the connection is ensured to be stable, and the measuring efficiency and the accuracy are improved in all directions.

Inventors

  • WANG XIUFANG
  • JI QING
  • Lai Qunhui

Assignees

  • 东莞市锐鹰激光设备有限公司

Dates

Publication Date
20260512
Application Date
20250324

Claims (5)

  1. 1. The utility model provides a laser projection formula non-contact margin measuring apparatu, includes laser measuring apparatu (1), mounting hole (2) have been seted up to the inside of laser measuring apparatu (1), the inside threaded connection of mounting hole (2) has cooperation mechanism one (3), the lower fixed surface of cooperation mechanism one (3) is connected with focus adjustment mechanism (4), the lower fixed surface of focus adjustment mechanism (4) is connected with cooperation mechanism two (5), a serial communication port, cooperation mechanism one (3) include: The laser measuring instrument comprises a threaded clamping column (301), wherein a clamping groove upright column (302) is rotationally connected to the outer surface of the threaded clamping column (301), a first connecting rod (303) is connected to the inner portion of the clamping groove upright column (302) in a sliding mode, an arc-shaped magnet (304) is fixedly connected to the upper surface of the first connecting rod (303), an arc-shaped electromagnet (305) is connected to the outer surface of the first connecting rod (303) in a sliding mode, a connecting disc (306) is fixedly connected to the lower surface of the first connecting rod (303), and the first connecting rod (303) and the arc-shaped magnet (304) are used for carrying out sliding support on the laser measuring instrument (1); the second matching mechanism (5) comprises a hexagonal clamping column (307), the hexagonal clamping column (307) is in sliding connection with the clamping groove upright column (302), an L-shaped through hole (310) is formed in the clamping groove upright column (302) in a clamping mode, a push rod (308) is fixedly connected to the outer surface of the hexagonal clamping column (307), the push rod (308) is in sliding connection with the L-shaped through hole (310), a first spring (309) is fixedly connected to the lower surface of the hexagonal clamping column (307), and the hexagonal clamping column (307) is used for limiting the laser measuring instrument (1); The gravity center adjusting mechanism (4) comprises a first rectangular plate (401), the upper surface of the first rectangular plate (401) is fixedly connected with the lower surface of the clamping groove upright post (302), the lower surface of the first rectangular plate (401) is fixedly connected with a ball head rotating shaft (402), the outer surface of the ball head rotating shaft (402) is rotationally connected with a concave upright post (403), the upper surface of the concave upright post (403) is fixedly connected with a hydraulic pump (404), the lower surface of the concave upright post (403) is fixedly connected with a rectangular clamping post (405) and a second spring (408), the lower surface of the first spring (309) is fixedly connected with a second rectangular plate (406), a rectangular groove (407) is clamped in the second rectangular plate (406), the upper surface of the second rectangular plate (406) is fixedly connected with a corrugated pipe (409), and the corrugated pipe (409) is used for protecting the ball head rotating shaft (402); The gravity center adjusting mechanism (4) comprises four hydraulic pumps (404), the output end of each hydraulic pump (404) is fixedly connected with the lower surface of the corresponding rectangular plate I (401), each rectangular clamping column (405) is slidably connected with the corresponding rectangular groove (407), the upper surface of each corrugated pipe (409) is fixedly connected with the lower surface of the corresponding rectangular plate I (401), and each hydraulic pump (404) is used for adjusting the gravity center of the corresponding laser measuring instrument (1); When the gravity center is adjusted, the hydraulic pump (404) pushes the first rectangular plate (401), so that when the ball head rotating shaft (402) rotates, the hydraulic pump (404) diagonal to the hydraulic pump (404) is compressed, and the first rectangular plate (401) is pulled downwards, so that the rotation of the ball head rotating shaft (402) in the concave upright post (403) is not limited.
  2. 2. The laser projection type non-contact edge distance measuring instrument according to claim 1, wherein the upper surface of the arc magnet (304) is in contact with the lower surface of the laser measuring instrument (1), the distance from the arc magnet (304) to the upper surface of the clamping groove stand column (302) is the same as the distance from the connecting disc (306) to the lower surface of the clamping groove stand column (302), the arc electromagnet (305) is fixedly connected with the clamping groove stand column (302), the diameter of the connecting disc (306) is the same as the diameter of the clamping groove stand column (302), and the arc electromagnet (305) is used for pushing and attracting the arc magnet (304).
  3. 3. The laser projection type non-contact edge distance measuring instrument of claim 1, wherein the hexagonal clamping column (307) is clamped with the threaded clamping column (301), the lower surface of the first spring (309) is fixedly connected with the inner surface of the clamping groove column (302), the clamping distance between the hexagonal clamping column (307) and the threaded clamping column (301) is half of the height of the L-shaped through hole (310), and the L-shaped through hole (310) is used for limiting the push rod (308).
  4. 4. The laser projection type non-contact edge distance measuring instrument of claim 1, wherein the second matching mechanism (5) comprises a notch upright post (501), the upper surface of the notch upright post (501) is fixedly connected with the lower surface of the rectangular plate II (406), a rotating ring (502) is connected with the inner thread of the notch upright post (501), an annular hole (503) is formed in the inner part of the notch upright post (501), a first bump gasket (504) is clamped in the second annular hole (503), a second bump gasket (505) is clamped in the inner part of the first bump gasket (504), a six-side rotating handrail (506) is clamped in the inner part of the first bump gasket (504), an arc groove (507) is clamped in the inner part of the notch upright post (501), a magnetic rod (508) is clamped in the inner part of the arc groove (507), and the magnetic rod (508) is used for limiting the rotating ring (502).
  5. 5. The laser projection type non-contact edge distance measuring instrument according to claim 4, wherein the first bump pad (504) and the second bump pad (505) are in threaded connection with the inner surface of the rotating ring (502), the hexagonal rotating handrail (506) is clamped with the second bump pad (505), the lower surface of the hexagonal rotating handrail (506) is contacted with the upper surface of the magnetic rod (508), the magnetic rod (508) is clamped with the rotating ring (502), and the hexagonal rotating handrail (506) is used for rotating the first bump pad (504) and the second bump pad (505).

Description

Laser projection type non-contact margin measuring instrument Technical Field The invention relates to the technical field of measurement and metering, in particular to a laser projection type non-contact edge distance measuring instrument. Background In the current industrial production and precision detection fields, the laser projection type non-contact margin measuring instrument is widely applied by virtue of the advantages of high precision, non-contact and the like, in actual use, the measuring instrument is often connected with a camera foot rest to fix a position and flexibly adjust a measuring angle, however, the conventional measuring instrument is connected with the camera foot rest and has a plurality of problems. The patent application with the application number of CN201911069208.8 discloses a laser projection type non-contact edge distance measuring instrument which comprises a base, a track, a guide rail sliding block A, a guide rail sliding block B, an adjustable screw A, an adjustable screw B, a laser head A, a laser head B and a laser head B, wherein the base and the track are connected with the base, the guide rail sliding block A is connected with the track, the guide rail sliding block B is connected with the track, the adjustable screw A is connected with the base and the guide rail sliding block A, the adjustable screw B is connected with the guide rail sliding block A, the laser head A is connected with the guide rail sliding block B, and the laser head A is connected with the guide rail sliding block A. However, the patent also has the following defects that the existing measuring instrument is connected with a camera foot rest to face the difficulties of adapting a mounting hole, keeping the stability and levelness during adjustment, keeping the center of gravity coincident and the like, so that the measuring accuracy is seriously influenced, and the laser projection type non-contact margin measuring instrument is specially provided for the situation. Disclosure of Invention The invention aims to provide a laser projection type non-contact edge distance measuring instrument so as to solve the problems in the background art. In order to solve the technical problems, the invention provides the technical scheme that the laser projection type non-contact edge distance measuring instrument comprises a laser measuring instrument, wherein a mounting hole is formed in the laser measuring instrument, a first matching mechanism is connected with an internal thread of the mounting hole, a gravity center adjusting mechanism is fixedly connected to the lower surface of the first matching mechanism, a second matching mechanism is fixedly connected to the lower surface of the gravity center adjusting mechanism, and the first matching mechanism comprises: The outer surface of screw thread draw-in post, the surface rotation of screw thread draw-in post is connected with the draw-in groove stand, the inside sliding connection of draw-in groove stand has the head rod, the upper surface fixedly connected with arc magnet of head rod, the surface sliding connection of head rod has arc electro-magnet, the lower surface fixedly connected with connection pad of head rod, head rod and arc magnet are used for carrying out sliding support to laser measuring apparatu. According to the technical scheme, the second matching mechanism comprises a hexagonal clamping column, the hexagonal clamping column is in sliding connection with the clamping groove column, an L-shaped through hole is formed in the clamping groove column in a clamped mode, a push rod is fixedly connected to the outer surface of the hexagonal clamping column, the push rod is in sliding connection with the L-shaped through hole, a first spring is fixedly connected to the lower surface of the hexagonal clamping column, and the hexagonal clamping column is used for limiting the laser measuring instrument. According to the technical scheme, the upper surface of arc magnet contacts with the lower surface of laser measuring apparatu, the distance of arc magnet to draw-in groove stand upper surface is the same with the distance of connection pad to draw-in groove stand lower surface, arc electromagnet and draw-in groove stand fixed connection, the diameter of connection pad is the same with the diameter of draw-in groove stand, arc electromagnet is used for promoting and attracts arc magnet. According to the technical scheme, the hexagonal clamping column is clamped with the threaded clamping column, the lower surface of the first spring is fixedly connected with the inner surface of the clamping groove upright column, the clamping distance between the hexagonal clamping column and the threaded clamping column is half of the height of the L-shaped through hole, and the L-shaped through hole is used for limiting the push rod. According to the technical scheme, focus adjustment mechanism includes rectangular plate one, the upper surface of rectangular