Surveying instrument capable of adapting to different complex terrains

Abstract

The invention relates to the technical field of surveying and mapping, and discloses a surveying and mapping instrument capable of adapting to different complex terrains, the surveying and mapping instrument comprises a surveying and mapping instrument body, a supporting plate and a bottom plate, the bottom of the surveying and mapping instrument body is fixedly provided with a supporting column, the bottom of the supporting column is provided with a support, the supporting column is located in the support, the support is of an open disc structure, and the bottom of the support is fixedly provided with a rotating column; the bottom of the rotating column is connected with a bearing plate; a sliding groove is formed in the top of the supporting plate, a limiting groove is formed in the bottom of the sliding groove, a sliding block is slidably connected into the limiting groove, and a bottom column is fixedly arranged in the middle of the top of the sliding block; the bottom plate is fixedly arranged in the middle of the bottom of the supporting plate, movable grooves are distributed in the outer side of the bottom of the bottom plate, supporting plates are rotationally connected into the movable grooves, and upper supporting legs are fixedly arranged below the supporting plates. According to the surveying and mapping instrument capable of adapting to different complex terrains, the surveying and mapping instrument body is convenient to disassemble and assemble quickly, stability and reliability are achieved, surveying and mapping are convenient, supporting modes are convenient to rotate, adjust and switch, and the surveying and mapping instrument adapts to different complex terrains.

Description

Technical Field

[0001] The present invention relates to the field of surveying and mapping technology, and specifically to a surveying instrument that can adapt to different complex terrains. Background Art

[0002] Surveying and mapping means measurement and mapping, which are essential operations in engineering construction, planning and design, and administrative management. In order to facilitate surveying and mapping, improve the efficiency and accuracy of surveying and mapping, surveying instruments are used, and surveying instruments are usually used in cooperation with a tripod for support.

[0003] However, when the existing surveying instruments on the market are in use, due to the complex external terrain, it is inconvenient to quickly disassemble and assemble the instruments during use. The installation is not stable enough and the strength is not high, resulting in the instrument being skewed and jittered during the surveying process, being prone to falling off, which brings inconvenience to the surveying. The stability coefficient of the instrument support is low, and it is inconvenient to adapt to different complex terrains. Therefore, corresponding technical solutions need to be designed to solve this problem. Summary of the Invention

[0004] (I) Technical Problems to be Solved

[0005] In view of the deficiencies of the prior art, the present invention provides a surveying instrument that can adapt to different complex terrains, and solves the technical problems that the instrument is inconvenient to quickly disassemble and assemble, the installation is not stable enough and the strength is not high, resulting in the instrument being skewed and jittered during the surveying process, being prone to falling off, which brings inconvenience to the surveying, the stability coefficient of the instrument support is low, and it is inconvenient to adapt to different complex terrains.

[0006] (II) Technical Solutions

[0007] To achieve the above object, the present invention is realized through the following technical solutions: A surveying instrument that can adapt to different complex terrains, including a surveying instrument body, a support plate and a bottom plate. A pillar is fixedly provided at the bottom of the surveying instrument body. A support is installed at the bottom of the pillar. The pillar is located inside the support. The support is in the shape of an open disc structure. A rotating column is fixedly provided at the bottom of the support. A bearing plate is connected to the bottom of the rotating column;

[0008] A chute is provided at the top of the support plate. A limiting groove is provided at the bottom of the chute. A slider is slidably connected inside the limiting groove. A bottom column is fixedly provided at the middle of the top of the slider. The bottom column is fixedly provided at the bottom of the bearing plate;

[0009] The bottom plate is fixedly provided at the middle of the bottom of the support plate. Activity grooves are distributed at the outer side of the bottom of the bottom plate. A support plate is rotatably connected inside the activity grooves. An upper support leg is fixedly provided below the support plate. A movable rod is slidably connected to the bottom of the upper support leg. A lower support leg is fixedly provided below the movable rod. A support plate is rotatably connected below the lower support leg.

[0010] Preferably, a concave groove is formed at the rear bottom of the pillar. Spring seats are fixedly distributed on the inner side wall of the concave groove. A first baffle is fixedly arranged on the outer side of the spring seat. A guide post is fixedly arranged on the outer side of the first baffle. The guide post penetrates and is connected to the outside of the concave groove. The provided concave groove is used for adjusting the guide post movably. The spring seat is used for supporting the elastic telescopic movement of the guide post. The first baffle is used for limiting inside the concave groove to prevent it from sliding out. The guide post is used for locking to the inner side wall of the convex groove so as to lock the pillar inside the support.

[0011] Preferably, a convex groove is formed at the rear of the support. A limiting ring is fixedly arranged at the rear of the convex groove. A movable column penetrates and is connected inside the limiting ring. A second baffle is fixedly arranged near the front end on the outside of the movable column. A first spring ring is fixedly arranged behind the second baffle. The first spring ring is arranged on the outside of the movable column. The front of the movable column is of an inward concave structure. The rear end of the guide post is of an outward convex structure. The provided convex groove is used for adjusting the movable column movably. The movable column is used for moving forward to push out the guide post so as to disassemble the pillar. The limiting ring is used for further stably limiting the sliding of the movable column. The second baffle is used for limiting inside the convex groove. The first spring ring is used for the elastic telescopic movement of the movable column. The inward concave structure and the outward convex structure fit better and the ejection structure is simple.

[0012] Preferably, extension plates are welded on both sides of the surveying instrument body. Clamping plates are welded on the outside of the extension plates. The bottom of the clamping plate is of an inverted hook-shaped structure. Support plates are welded on both sides of the support. The support plates are flush with the bottom of the clamping plate. Axle seats are fixedly arranged at the front and rear ends on the top of the support plates. A rotating shaft rod is rotatably connected between the axle seats. A locking plate is fixedly arranged on the outside of the rotating shaft rod. A second spring ring is fixedly connected and distributed between the bottom of the locking plate and the top of the support plate. Reinforcing plates are welded between the extension plates, the clamping plates and the outer side wall of the support. The provided extension plates and the reinforcing plates are used for strongly supporting the clamping plates. The clamping plate of the inverted hook-shaped structure is used for clamping the locking plate so that the surveying instrument body is more stable after installation and avoids shaking. The second spring ring is used for elastically opening and closing the locking plate to facilitate the clamping operation.

[0013] Preferably, a limiting plate is fixedly arranged in the middle of the bottom column. The limiting plate is arranged on the top of the support plate. A level is installed at the rear of the top of the support plate. Limiting rods are fixedly distributed inside the limiting groove. The slider is slidably connected to the outside of the limiting rods. The provided limiting plate is used for limiting and slidingly supporting on the top of the support plate. The level is convenient for directly detecting the levelness of the equipment support. The limiting rods are used for smoother lateral sliding.

[0014] Preferably, one side of the upper support leg is connected with a locking screw through threads. The inner end of the locking screw is locked to the movable rod, and an adjusting nut is fixedly arranged at the outer end of the locking screw. The locking screw is provided to lock and prevent the movable rod from moving, and it is loose to facilitate the telescopic adjustment of the movable rod. The adjusting nut is used for hand-held rotation operation, and the structure is simple.

[0015] Preferably, an adjustment groove is opened below the lower support leg. The lower support leg is of an N-shaped structure. A rotating shaft is connected through the middle of the support plate, and the rotating shaft is rotatably connected below the adjustment groove. One end of the support plate is fixedly provided with a support ball seat, and a rolling sliding bead is embedded at the outer end of the support ball seat. The other end of the support plate is fixedly provided with a support pin in a tip structure. The adjustment groove provided is used for rotating and adjusting the support plate. The rotating shaft supports the support plate for flipping adjustment. The support ball seat is used for highly supporting the sliding of the rolling sliding bead. After the rolling sliding bead supports on the ground, the movement is more stable. The support pin in a tip structure is used for plugging into the ground for support, and it is applicable to different complex grounds.

[0016] Preferably, through holes are opened at both ends of the support plate, and positioning holes are opened below the lower support leg. The positioning holes and the through holes are corresponding structures. A positioning column is connected through the inside of the positioning hole. An end plate is welded to the outer end of the positioning column, a pull ring is welded to the outer end of the end plate, and a spring ring three is welded between the inner side of the end plate and the outside of the positioning hole. By correspondingly penetrating the positioning column through the through hole and the positioning hole, the support plate can be locked to avoid the flipping of the support plate. The positioning column is telescopically adjusted inside the through hole and the positioning hole. The end plate and the pull ring are used for supporting the spring ring three and facilitating hand-held operation. The spring ring three is used for elastically telescoping and adjusting the positioning column.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows: By providing a support with an open-type disc structure below the bottom pillar of the total station, it is convenient to quickly disassemble and assemble the total station. After installation, the strength is high, stable and reliable, and it is convenient to conduct surveying. By connecting the rotating column fixed at the bottom of the support to the bearing plate, it is convenient to rotate and adjust the surveying angle. By slidingly connecting the support plate below the whole total station, it is convenient to manually adjust the surveying position horizontally by sliding. By rotatably connecting multiple support structures outside the bottom of the bottom plate, it is convenient to adjust the support angle movably. By slidingly connecting the movable rod at the bottom of the upper support leg, the support height can be manually telescoped and adjusted. By rotatably connecting the support plate below the lower support leg, it is convenient to rotate and adjust to switch the support mode, which is convenient for moving use or stable support use, has a wide application range, and is suitable for different complex terrains. Brief description of the drawings

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 Schematic diagram of the rear view structure of the surveying instrument of the present invention;

[0021] Figure 3 Schematic diagram of the upper view structure of the mobile adjustment of the surveying instrument of the present invention;

[0022] Figure 4 Schematic diagram of the side view structure of the mobile adjustment of the surveying instrument of the present invention;

[0023] Figure 5 Schematic diagram of the locking and installation structure of the surveying instrument of the present invention;

[0024] Figure 6 Schematic diagram of the clamping structure of the support plate of the surveying instrument of the present invention;

[0025] Figure 7 Partial structure schematic diagram of the inner end of the clamping plate structure of the present invention;

[0026] Figure 8 Overall structure schematic diagram of the support leg of the present invention;

[0027] Figure 9 Of the present invention Figure 8 Enlarged structure schematic diagram at position A;

[0028] Figure 10 Of the present invention Figure 8 Enlarged structure schematic diagram at position B;

[0029] Figure 11 Schematic diagram of the outer end structure of the positioning through hole of the present invention.

[0030] In the figure, 1, surveying instrument body; 11, support column; 111, guide column; 112, concave groove; 113, baffle plate 1; 114, spring seat; 12, support; 121, movable column; 122, limiting ring; 123, convex groove; 124, spring ring 1; 125, baffle plate 2; 13, clamping plate; 131, extension plate; 132, reinforcement plate; 133, locking plate; 134, backing plate; 135, rotating shaft rod; 136, shaft seat; 137, spring ring 2; 14, bearing plate; 141, bottom column; 142, rotating column; 2, support plate; 201, sliding groove; 202, limiting groove; 203, slider; 21, limiting plate; 22, level gauge; 23, limiting rod; 3, bottom plate; 301, movable groove; 31, upper support leg; 311, support plate; 32, lower support leg; 321, adjustment groove; 33, support plate; 331, support ball seat; 332, rolling sliding bead; 333, support pin; 334, rotating shaft; 335, through hole; 34, movable rod; 35, positioning column; 351, positioning hole; 352, spring ring 3; 353, end plate; 354, pull ring; 36, locking screw; 361, adjusting nut. Detailed implementation mode

[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0032] Please refer to Figures 1-11 , the embodiments of the present invention provide a technical solution: a surveying instrument adaptable to different complex terrains, including a surveying instrument body 1, a support plate 2 and a bottom plate 3. A support column 11 is fixedly provided at the bottom of the surveying instrument body 1, and a support 12 is installed at the bottom of the support column 11. The support column 11 is located inside the support 12. The support 12 has an open disk structure. A rotating column 142 is fixedly provided at the bottom of the support 12, and a bearing plate 14 is connected to the bottom of the rotating column 142;

[0033] A chute 201 is opened at the top of the support plate 2, a limit groove 202 is opened at the bottom of the chute 201, a slider 203 is slidably connected inside the limit groove 202, and a bottom column 141 is fixedly provided in the middle of the top of the slider 203. The bottom column 141 is fixedly provided at the bottom of the bearing plate 14;

[0034] The bottom plate 3 is fixedly provided at the middle of the bottom of the support plate 2. Activity grooves 301 are distributed and opened at the outer side of the bottom of the bottom plate 3. A support plate 311 is rotatably connected inside the activity grooves 301. An upper support leg 31 is fixedly provided below the support plate 311. An activity rod 34 is slidably connected to the bottom of the upper support leg 31. A lower support leg 32 is fixedly provided below the activity rod 34. A support plate 33 is rotatably connected below the lower support leg 32.

[0035] By providing a support 12 with an open disk structure below the support column 11 at the bottom of the surveying instrument body 1, it is convenient to quickly disassemble and assemble the surveying instrument body 1. After installation, it has high strength, is stable and reliable, and is convenient for surveying. By connecting the bearing plate 14 with the rotating column 142 fixed at the bottom of the support 12, it is convenient to rotate and adjust the surveying angle. By providing a support plate 2 slidably connected below the whole surveying instrument body 1, it is convenient to manually adjust the surveying position horizontally. By rotatably connecting multiple groups of support structures at the outer side of the bottom of the bottom plate 3, it is convenient to adjust the support angle actively. By providing an activity rod 34 slidably connected to the bottom of the upper support leg 31, the support height can be manually telescoped and adjusted. By rotatably connecting a support plate 33 below the lower support leg 32, it is convenient to rotate and adjust to switch the support mode, which is convenient for mobile use or stable support use, has a wide application range, and is adaptable to different complex terrains.

[0036] Further improved, a concave groove 112 is formed at the rear bottom of the support column 11. Spring seats 114 are fixedly distributed on the inner side wall of the concave groove 112. A first baffle 113 is fixedly arranged on the outer side of the spring seat 114. A guide post 111 is fixedly arranged on the outer side of the first baffle 113. The guide post 111 penetrates and is connected to the outside of the concave groove 112;

[0037] The provided concave groove 112 is used for actively adjusting the guide post 111. The spring seat 114 is used for supporting the elastic expansion and contraction of the guide post 111. The first baffle 113 is used for limiting the inside of the concave groove 112 to prevent it from sliding out. The guide post 111 is used for locking to the inner side wall of the convex groove 123 so as to lock the support column 11 inside the support 12.

[0038] Further improved, a convex groove 123 is formed at the rear of the support 12. A limit ring 122 is fixedly arranged at the rear of the convex groove 123. A movable column 121 penetrates and is connected inside the limit ring 122. A second baffle 125 is fixedly arranged near the front end on the outside of the movable column 121. A first spring ring 124 is fixedly arranged at the rear of the second baffle 125. The first spring ring 124 is arranged on the outside of the movable column 121. The front of the movable column 121 is of an inward concave structure, and the rear end of the guide post 111 is of an outward convex structure;

[0039] The provided convex groove 123 is used for actively adjusting the movable column 121. The movable column 121 is used for pushing the guide post 111 forward to facilitate the disassembly of the support column 11. The limit ring 122 is used for further stably limiting the sliding of the movable column 121. The second baffle 125 is used for limiting the inside of the convex groove 123. The first spring ring 124 is used for the elastic expansion and contraction of the movable column 121. The inward concave structure and the outward convex structure fit better, and the ejection structure is simple.

[0040] Further improved, extension plates 131 are welded on both sides of the surveying instrument body 1. A clamping plate 13 is welded on the outside of the extension plate 131. The bottom of the clamping plate 13 is of an inverted hook-shaped structure. Support plates 134 are welded on both sides of the support 12. The support plates 134 are flush with the bottom of the clamping plate 13. Axle seats 136 are fixedly arranged at the front and rear ends of the top of the support plate 134. A rotating shaft rod 135 is rotatably connected between the axle seats 136. A locking plate 133 is fixedly arranged on the outside of the rotating shaft rod 135. A second spring ring 137 is fixedly connected and distributed between the bottom of the locking plate 133 and the top of the support plate 134. Reinforcing plates 132 are welded between the extension plates 131, the clamping plate 13 and the outer side wall of the support 12;

[0041] The provided extension plates 131 and reinforcing plates 132 are used for highly supporting the clamping plate 13. The clamping plate 13 with an inverted hook-shaped structure is used for clamping the locking plate 133, making the surveying instrument body 1 more stable after installation and preventing shaking. The second spring ring 137 is used for elastically opening and closing the locking plate 133 to facilitate the clamping operation.

[0042] Further improved, a limiting plate 21 is fixedly arranged in the middle of the bottom column 141. The limiting plate 21 is arranged on the top of the support plate 2. A level 22 is installed behind the top of the support plate 2. Limiting rods 23 are fixedly distributed inside the limiting groove 202. The slider 203 is slidably connected to the outside of the limiting rods 23;

[0043] The limiting plate 21 provided is used for limiting and slidingly supporting on the top of the support plate 2. The level 22 facilitates directly detecting the levelness of the equipment support. The limiting rods 23 are used to make the lateral sliding more stable.

[0044] Further improved, one side of the upper support leg 31 is threadedly connected with a locking screw 36. The inner end of the locking screw 36 is locked to the movable rod 34. An adjusting nut 361 is fixedly arranged at the outer end of the locking screw 36;

[0045] The locking screw 36 provided can lock to prevent the movable rod 34 from moving. Loosening it facilitates the telescopic adjustment of the movable rod 34. The adjusting nut 361 is used for hand-held rotation operation, and the structure is simple.

[0046] Further improved, an adjustment groove 321 is opened below the lower support leg 32. The lower support leg 32 is of an N-shaped structure. A rotating shaft 334 penetrates through the middle of the support plate 33. The rotating shaft 334 is rotatably connected below the adjustment groove 321. One end of the support plate 33 is fixedly provided with a support ball seat 331. A rolling bead 332 is embedded at the outer end of the support ball seat 331. The other end of the support plate 33 is fixedly provided with a support pin 333 with a tip structure;

[0047] The adjustment groove 321 provided is used for rotating and adjusting the support plate 33. The rotating shaft 334 supports the support plate 33 for flipping adjustment. The support ball seat 331 is used for highly supporting the sliding of the rolling bead 332. After the rolling bead 332 supports on the ground, the movement is more stable. The support pin 333 with a tip structure is used for inserting into the ground for support, which is suitable for different complex grounds.

[0048] Specifically improved, through holes 335 are opened at both ends of the support plate 33. A positioning hole 351 is opened below the lower support leg 32. The positioning hole 351 and the through hole 335 are corresponding structures. A positioning column 35 penetrates through the inside of the positioning hole 351. An end plate 353 is welded to the outer end of the positioning column 35. A pull ring 354 is welded to the outer end of the end plate 353. A spring ring three 352 is welded between the inner side of the end plate 353 and the outside of the positioning hole 351;

[0049] The through hole 335 is provided to penetrate through the positioning hole 351 corresponding to the positioning column 35, so as to lock the support plate 33 and prevent the support plate 33 from flipping. The positioning column 35 is telescopically adjusted inside the through hole 335 and the positioning hole 351. The end plate 353 and the pull ring 354 are used to support the third spring coil 352 and facilitate hand-held operation. The third spring coil 352 is used to elastically and telescopically adjust the positioning column 35.

[0050] Working principle: First, rotate and adjust the angle of the support of the support plate 311 above the upper support leg 31 inside the movable slot 301;

[0051] Loosen the locking screw 36 by hand-held adjusting nut 361, stretch and adjust the height of the movable rod 34, and then tighten the locking screw 36 by hand-held adjusting nut 361 to lock the movable rod 34;

[0052] Pull out the pull ring 354 by hand, stretch through the elastic action of the third spring coil 352, so that the positioning column 35 is pulled out inside the positioning hole 351 and the through hole 335;

[0053] Rotate and adjust the support plate 33 to switch the support mode, so as to support and slide on the ground through the rolling beads 332 under the support ball seat 331, and support and use on the ground through the insertion of the support pin 333. Loosen the pull ring 354 so that the positioning column 35 is inserted into the positioning hole 351 and the through hole 335 to lock the support plate 33 and stably support;

[0054] At the same time, observe and adjust the levelness of the support through the level 22;

[0055] Place the surveying instrument body 1 on the support 12 through the support column 11 at its bottom. The guide column 111 at the bottom rear of the support column 11 is inserted into the convex groove 123 at the rear of the support 12 through the elastic telescopic action of the spring seat 114 and locked;

[0056] When it is necessary to take out the surveying instrument body 1, press the movable column 121 forward. Through the elastic action of the first spring coil 124, the movable column 121 moves forward, pushing the guide column 111 to move forward, so that the support column 11 and the surveying instrument body 1 can be quickly disassembled;

[0057] Lift the hand-held lock plate 133 upward through the elastic telescopic action of the second spring coil 137, rotate through the support of the rotating shaft rod 135 on the shaft seat 136, and after loosening the lock plate 133, it is clamped to the inner end of the clamping plate 13;

[0058] The rotating column 142 below the support 12 is supported in the bearing plate 14 and can be rotated to adjust the surveying angle;

[0059] The bottom column 141, the limit plate 21 and the slider 203 are limited inside the chute 201 and the limit groove 202 of the support plate 2 and laterally slide to adjust the surveying position.

[0060] The surveying instrument body 1, support column 11, guide post 111, concave groove 112, first baffle 113, spring seat 114, support 12, movable column 121, limit ring 122, convex groove 123, first spring ring 124, second baffle 125, clamping plate 13, extension plate 131, reinforcement plate 132, locking plate 133, backing plate 134, rotating shaft rod 135, shaft seat 136, second spring ring 137, bearing plate 14, bottom column 141, rotating column 142, support plate 2, sliding groove 201, limit groove 202, slider 203, limit plate 21, level 22, limit rod 23, bottom plate 3, movable groove 301, upper support leg 31, support plate 311, lower support leg 32, adjustment groove 321, support plate 33, support ball seat 331, rolling sliding bead 332, support pin 333, rotating shaft 334, through hole 335, movable rod 34, positioning column 35, positioning hole 351, third spring ring 352, end plate 353, pull ring 354, locking screw 36, adjusting nut 361 of the present invention. The components are all common standard parts or parts known to those skilled in the art. Their structures and principles can all be learned by those skilled in the art through technical manuals or obtained through conventional experimental methods. The problem solved by the present invention is that the instrument is inconvenient for quick disassembly and assembly, the installation is not stable enough and the strength is not high, resulting in the instrument being skewed and jittered during the surveying process, being easily detached, bringing inconvenience to the surveying, the stability coefficient of the instrument support is low, and it is inconvenient to adapt to different complex terrains. Through the mutual combination of the above components, by arranging a support in the form of an open disc structure below the support column at the bottom of the surveying instrument body, it is convenient to quickly disassemble and assemble the surveying instrument body, and the strength after installation is high, stable and reliable, facilitating surveying. By connecting the rotating column fixed at the bottom of the support to the bearing plate, it is convenient to rotate and adjust the angle of the surveying. By slidingly connecting the support plate below the whole surveying instrument body, it is convenient to manually slide and adjust the position of the surveying. By rotatably connecting multiple groups of support structures on the outer side of the bottom of the bottom plate, it is convenient to actively adjust the angle of the support. By slidingly connecting the movable rod at the bottom of the upper support leg, the height of the support can be manually telescoped and adjusted. By rotatably connecting the support plate below the lower support leg, it is convenient to rotate and adjust to switch the support mode, facilitating mobile use or stable support use, with a wide range of applications and adapting to different complex terrains.

[0061] The above shows and describes the basic principles, main features and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic features of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, it is intended to encompass all changes falling within the meaning and scope of the equivalent elements of the claims in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0062] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment contains only one independent technical solution. This narrative manner of the specification is merely for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A surveying instrument adaptable to different complex terrains, comprising a surveying instrument body (1), a support plate (2) and a bottom plate (3), characterized in that: The bottom of the surveying instrument body (1) is fixedly provided with a support column (11). The bottom of the support column (11) is installed with a support (12). The support column (11) is located inside the support (12). The support (12) is in the shape of an open disc structure. The bottom of the support (12) is fixedly provided with a rotating column (142). The bottom of the rotating column (142) is connected with a bearing plate (14). The top of the support plate (2) is provided with a chute (201). The bottom of the chute (201) is provided with a limiting groove (202). A slider (203) is slidably connected inside the limiting groove (202). The middle of the top of the slider (203) is fixedly provided with a bottom column (141). The bottom column (141) is fixedly arranged at the bottom of the bearing plate (14). The bottom plate (3) is fixedly arranged at the middle of the bottom of the support plate (2). Activity grooves (301) are distributed on the outer side of the bottom of the bottom plate (3). A support plate (311) is rotatably connected inside the activity grooves (301). An upper support leg (31) is fixedly arranged below the support plate (311). A movable rod (34) is slidably connected to the bottom of the upper support leg (31). A lower support leg (32) is fixedly arranged below the movable rod (34). The lower support leg (32) is rotatably connected to a support plate (33).

2. The surveying instrument adaptable to different complex terrains according to claim 1, wherein: A concave groove (112) is opened at the rear bottom of the support column (11). Spring seats (114) are fixedly distributed on the inner side wall of the concave groove (112). A first baffle (113) is fixedly arranged on the outer side of the spring seats (114). A guide post (111) is fixedly arranged on the outer side of the first baffle (113). The guide post (111) penetrates and is connected to the outside of the concave groove (112).

3. The surveying instrument adaptable to different complex terrains according to claim 2, characterized in that: A convex groove (123) is opened at the rear of the support (12). A limiting ring (122) is fixedly arranged at the rear of the convex groove (123). A movable column (121) penetrates and is connected inside the limiting ring (122). A second baffle (125) is fixedly arranged near the front end of the outer part of the movable column (121). A first spring ring (124) is fixedly arranged behind the second baffle (125). The first spring ring (124) is arranged on the outer part of the movable column (121). The front of the movable column (121) is of an inward concave structure. The rear end of the guide post (111) is of an outward convex structure.

4. A surveying instrument adaptable to different complex terrains according to claim 1, characterized in that: On both sides of the surveying instrument body (1), extension plates (131) are welded. On the outside of the extension plates (131), clamping plates (13) are welded. The bottom of the clamping plate (13) is of an inverted hook-shaped structure. On both sides of the support (12), backing plates (134) are welded. The backing plates (134) are flush with the bottom of the clamping plate (13). At the front and rear ends of the top of the backing plate (134), shaft seats (136) are fixedly provided. Between the shaft seats (136), a rotating shaft rod (135) is rotatably connected. On the outside of the rotating shaft rod (135), a locking plate (133) is fixedly provided. Between the bottom of the locking plate (133) and the top of the backing plate (134), coil springs two (137) are fixedly connected and distributed. Between the extension plates (131), the clamping plates (13) and the outer side wall of the support (12), reinforcing plates (132) are welded.

5. A surveying instrument adaptable to different complex terrains according to claim 1, characterized in that: At the middle of the bottom column (141), a limiting plate (21) is fixedly provided. The limiting plate (21) is arranged on the top of the support plate (2). Behind the top of the support plate (2), a level (22) is installed. Inside the limiting groove (202), limiting rods (23) are fixedly distributed. The slider (203) is slidably connected to the outside of the limiting rod (23).

6. The surveying instrument adaptable to different complex terrains according to claim 1, characterized in that: On one side of the upper support leg (31), a locking screw (36) is connected by threads. The inner end of the locking screw (36) is locked to the movable rod (34). On the outer end of the locking screw (36), an adjusting nut (361) is fixedly provided.

7. A surveying instrument adaptable to different complex terrains according to claim 6, characterized in that: Below the lower support leg (32), an adjusting groove (321) is provided. The lower support leg (32) is of an N-shaped structure. Through the middle of the support plate (33), a rotating shaft (334) is connected. The rotating shaft (334) is rotatably connected below the adjusting groove (321). At one end of the support plate (33), a support ball seat (331) is fixedly provided. Inside the outer end of the support ball seat (331), a rolling bead (332) is embedded. At the other end of the support plate (33), a support pin (333) with a tip structure is fixedly provided.

8. A surveying instrument adaptable to different complex terrains according to claim 7, characterized in that: At both ends of the support plate (33), through holes (335) are provided. Below the lower support leg (32), a positioning hole (351) is provided. The positioning hole (351) and the through hole (335) are corresponding structures. Inside the positioning hole (351), a positioning column (35) is connected through. At the outer end of the positioning column (35), an end plate (353) is welded. At the outer end of the end plate (353), a pull ring (354) is welded. Between the inner side of the end plate (353) and the outside of the positioning hole (351), a coil spring three (352) is welded.

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