On-site surveying and mapping device for construction project cost
A technology for construction engineering and surveying and mapping devices, applied in the field of engineering surveying and mapping, can solve problems such as vibration buffering of the main body of surveying and mapping, and achieve the effects of improving stability and improving surveying and mapping accuracy.
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Embodiment 1
[0040] Such as figure 1 and figure 2 As shown, a construction engineering cost on-site surveying device includes a mounting base 10 and a buffer base 20, wherein two pairs of buffering devices are arranged between the mounting base 10 and the buffering base 20, and the buffering devices include a first A spring 1 and a second spring 2, the first spring 1 is arranged between the mounting seat 10 and the guide seat 30 corresponding to the upper end of the buffer seat 20, and the first spring 1 is sleeved on the On the guide shaft 40 at the lower end of the mounting seat, the guide shaft 40 is slidingly fitted with the guide seat 30, and the upper shaft 404 of the guide shaft 40 can pass through the small hole 302 on the guide seat 30 and stretch into the In the large hole 301 connected by the small hole 302; the second spring 2 is arranged between the central axis 401 of the guide shaft 40 and the corresponding guide hole 201 on the buffer seat 20, and the second spring 2 sets...
Embodiment 2
[0042] Such as figure 2 and image 3As shown, the buffer device also includes a pair of linkage mechanisms 3 arranged between the circular plate 403 at the upper end of the central axis 401 and the fixed seat 50 at the upper end of the buffer seat 20, the circular plate 403 and the The large hole 301 is slidingly fitted, the fixed seat 50 is located in the large hole 301, the lower end of the central axis 401 passes through the through hole 501 on the fixed seat 50 and extends into the guide hole 201, a pair The linkage mechanism 3 is respectively located on both sides of the central axis 401, and the linkage mechanism 3 includes a driving rod 31, a first connecting rod 32, a first swing rod 34, a second swing rod 35, a second connecting rod 36, a third The connecting rod 37 and the rotating rod 38, the upper end of the driving rod 31 is fixedly connected with the circular plate 403, and the driving rod 31 is slidingly fitted with the guide plate 60 above the fixed seat 50; ...
Embodiment 3
[0046] Such as figure 2 and Figure 4 As shown, on the basis of the second embodiment, the buffer device further includes a pair of trigger mechanisms 4 arranged between the circular plate 403 and the buffer seat 20, and the fixed seat 50 is located between the pair of trigger mechanisms 4 The trigger mechanism 4 includes a first rack 41, a first gear 42, a second gear 43 and a second rack 44, the upper end of the first rack 41 is connected with the circular plate 403, and the The first rack 41 is slidingly fitted with a pair of U-shaped plates 100 corresponding to the side wall of the large hole 301; the first gear 42 is arranged on the corresponding pivot plate 110 located on the side wall of the large hole 301 , and the first gear 42 is meshed with the first rack 41; the second gear 43 is arranged on the pivot plate 110, and the second gear 43 is meshed with the first gear 42 connection; the second rack 44 is meshed with the second gear 43, and the lower end of the secon...
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