![]() The universal ball bearing is characterized in that the universal ball bearing is used, horizontal bubbles are installed on a top end of a universal ball in the universal ball bearing in a punching mode and are concentric with an infrared emitter installed below the universal ball bearing, a conical counterweight hammer body is arranged below the universal ball bearing, the effect of natural verticality is achieved, the horizontal bubbles can be seen from the middle of the natural vertical back and emit infrared rays downwards, and the bubble description in the middle of the horizontal bubbles achieves the effect of downward natural verticality. The utility model provides a novel infrared ray laser plumb bob, the field that belongs to is the civil engineering field, when the straightness that hangs down about concretely relates to bridge circular pier post template measurement, finds that current infrared ray product does not possess cylinder vertical measurement's specialty and convenience, and the way of current construction is that to use traditional plumb bob to tie up on a stick or reinforcing bar and detect the straightness that hangs down after school, and work efficiency is low, and stability is low, has the limitation that uses the cotton rope. G01C15/00- Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00.G01C- MEASURING DISTANCES, LEVELS OR BEARINGS SURVEYING NAVIGATION GYROSCOPIC INSTRUMENTS PHOTOGRAMMETRY OR VIDEOGRAMMETRY.238000006011 modification reaction Methods 0.000 description 1.238000005516 engineering process Methods 0.000 description 1.238000006467 substitution reaction Methods 0.000 description 2.229910000831 Steel Inorganic materials 0.000 description 2.238000010276 construction Methods 0.000 abstract description 4.238000005259 measurement Methods 0.000 abstract description 7.238000009434 installation Methods 0.000 claims description 3.230000001702 transmitter Effects 0.000 claims description 6.230000000694 effects Effects 0.000 claims abstract description 9.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by 锁斌 filed Critical 锁斌 Priority to CN202010874688.1A priority Critical patent/CN112161616A/en Publication of CN112161616A publication Critical patent/CN112161616A/en Status Pending legal-status Critical Current Links Inventor 锁斌 Original Assignee 锁斌 Priority date (The priority date is an assumption and is not a legal conclusion. ![]() Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Pending Application number CN202010874688.1A Other languages Chinese ( zh) Google Patents CN112161616A - Novel infrared laser plumb bob CN112161616A - Novel infrared laser plumb bob
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