Portable positioning device for engineering surveying and mapping
A positioning device and portable technology, applied in the directions of measuring devices, surveying and navigation, measuring instruments, etc., can solve the problems of difficult adjustment of the bracket, cumbersome stowage and opening, easy impact damage, etc., to achieve easy folding and storage, easy to carry and Transport, enhance the effect of surveying and mapping accuracy
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Embodiment 1
[0033] Such as figure 1 and figure 2 As shown, the limiting device 402 is composed of a supporting column 401, a limiting device 402 and an adjusting device 403. A supporting column 401 is arranged between the limiting plates 5, and the supporting column 401 is connected with the limiting plate 5 through a rotating shaft. The supporting column 401 A limit device 402 is provided on one side, and an adjustment device 403 is provided at the bottom of the support column 401. The support column 401 and the adjustment device 403 are connected by the limit device 402. When the support column 401 and the adjustment device 403 need to be folded and stored, pull the limit device 402 can directly rotate and position the adjusting device 403 , which is easy to use and convenient for folding and storage of the supporting device 4 .
[0034] The limit device 402 is composed of a limit rod 40201, a limit spring 40202 and a slide plate 40203. A limit rod 40201 is provided on one side of the...
Embodiment 2
[0038] Such as figure 1 , figure 2 , image 3 , Figure 4 and Figure 5As shown, the push-off device 7 is composed of a push-off shell 701, a push-off spring 702 and a ejector rod 703. The support device 4 is provided with a push-out rod 703 on one side, and the ejector rod 703 is rotationally connected with the support device 4. The ejector rod One side of the 703 is provided with a top-opening shell 701, and a top-opening spring 702 is arranged between the top-opening shell 701 and the ejector rod 703. The ejector rod 703 and the push-off spring 702 support the ejection of the ejector rod 703, and further push away the support column 401 to facilitate the ejection of the support device 4 in the positioning device.
[0039] A baffle 6 is provided on one side of the fixed housing 40301 and the supporting device 4, and the baffle 6 is rotatably connected with the fixed housing 40301, and the supporting device 4 is blocked by the baffle 6 to limit the position of the suppor...
Embodiment 3
[0041] Such as figure 1 and Figure 6 As shown, a level 8 is provided on the top of the fixed plate 1, and the level 8 is fixedly connected to the fixed plate 1. The level 8 facilitates the adjustment of the surveying telescope 3 to a horizontal position, facilitates the operation of the surveying telescope 3, and enhances the mapping accuracy of the surveying telescope 3.
[0042] Working principle: When the positioning device needs surveying and mapping, first, carry the positioning device to the position where surveying and mapping is required, pull out the handle, the handle drives the limit rod 40201, the limit rod 40201 pulls out the support column 401, the limit spring 40202 shrinks, and the housing 40301 is fixed Rotate 180 degrees, then loosen the handle, the limit spring 40202 ejects the limit rod 40201 and inserts it into the fixed shell 40301, the fixed shell 40301 is positioned, and the four supporting devices 4 are rotated and opened respectively, and then the ba...
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