Gravity measurement near-area terrain correction device
By designing a gravity measurement near-field terrain correction device with a support base, orientation positioning disk, and automatic recorder, the problems of stability and low efficiency of manual recording in traditional devices have been solved, enabling efficient and accurate measurement of complex terrain.
Patent Information
- Application Number
- CN202520241897.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-17
AI Technical Summary
Existing gravity measurement devices for near-field topography are structurally unstable, making it difficult to provide reliable support in complex terrains. They are also inconvenient to measure and suffer from low efficiency and human error in manual recording.
A device comprising a support base, an orientation positioning plate, an adjustment slide, and a recorder was designed. The horizontal position is conveniently adjusted using a ball head and a ball sleeve, and the data from the rangefinder is recorded by an automatic recorder. The rotation position is limited by a limiting slide groove and a limiting slider, thereby realizing automatic detection and recording of surveying data.
It improves the accuracy and efficiency of measurements, reduces human error, enables automatic recording and data classification, and adapts to precise measurements in complex terrain.
Smart Images

Figure CN223911066U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the related technical field of gravity measurement, specifically relates to a gravity measurement near area topographic correction device. BACKGROUND
[0002] In the field of gravity measurement, the accuracy of near area topographic correction is crucial to the precision of gravity measurement results. However, the existing near area topographic measurement device has many shortcomings.
[0003] The traditional measurement device has a simple structure and poor stability, which makes it difficult to provide reliable support in complex terrain environments, affecting the accuracy and stability of the measurement.
[0004] In terms of orientation determination and horizontal adjustment, it is often not convenient and accurate, and it is difficult to quickly adjust the measurement components to the correct position, resulting in large measurement errors.
[0005] For the determination of measurement angle and orientation, the previous device lacks flexible and effective adjustment mechanism, and it is difficult to accurately measure each direction, limiting the comprehensiveness and accuracy of the measurement data.
[0006] At the same time, in terms of data recording, it mainly relies on manual recording, which not only has low efficiency, but also is prone to human error, affecting the integrity and reliability of the data.
[0007] In summary, in order to improve the accuracy and efficiency of gravity measurement near area topographic correction, an innovative gravity measurement near area topographic correction device is urgently needed to overcome the many problems existing in the existing device. UTILITY MODEL CONTENT
[0008] The utility model aims at providing a gravity measurement near area topographic correction device to solve the problem of the traditional measurement device relying on manual recording, low efficiency and prone to human error as mentioned in the background.
[0009] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a gravity measurement near area topographic correction device, comprising a support seat, the support seat lower end is provided with three support legs, and the three support legs are distributed in the support seat lower end in a triangular shape, the support seat upper end center is fixedly connected with a connecting threaded sleeve, the connecting threaded sleeve upper end is internally threadedly connected with a connecting threaded rod, the connecting threaded rod is externally threadedly connected with a limiting threaded sleeve, and the limiting threaded sleeve lower end is tightly attached to the connecting threaded sleeve upper end, the connecting threaded rod upper end is rotatably connected with an azimuth positioning disc through a ball head and a ball sleeve, the azimuth positioning disc upper end center is provided with an azimuth compass, the azimuth positioning disc right end is clamped with a position adjusting slide, and the position adjusting slide left end upper side is rotatably connected with a range finder.
[0010] Preferably, a compass pointer is rotationally connected inside the azimuth compass, a level is arranged at the center of the compass pointer, and the level is rotationally connected with the azimuth compass, and an azimuth scale is arranged on the outer side of the upper end of the azimuth compass.
[0011] Preferably, a limiting sliding groove is arranged on the outer side of the upper end of the azimuth positioning disc, the limiting sliding groove is located on the outer side of the azimuth compass, a limiting sliding block is fixedly connected to the lower side of the left end of the adjusting sliding frame, the limiting sliding block is clamped in the limiting sliding groove, and the limiting sliding block is in sliding connection with the limiting sliding groove.
[0012] Preferably, a triangular pointer is arranged at the center of the upper end of the limiting sliding block, a fixed clamping groove is arranged in the right end of the adjusting sliding frame, measuring holes are in communication with the inner walls on the left sides of the upper end and the lower end of the fixed clamping groove, and a recorder is clamped in the fixed clamping groove.
[0013] Preferably, the recorder is connected with the adjusting sliding frame through a clamping jaw and a clamping groove, corner sensors are arranged in the inner sides of the upper end and the lower end of the recorder, the two corner sensors are located in the two measuring holes respectively, and a limiting rotating groove is in communication with the upper end of the upper measuring hole.
[0014] Preferably, the limiting rotating groove penetrates through the inner side of the upper end of the adjusting sliding frame on the left side, a limiting sensing tooth shaft is rotationally connected in the limiting rotating groove, the limiting sensing tooth shaft is fixedly connected to the right end of the range finder, and the range finder is rotationally connected with the adjusting sliding frame through the limiting sensing tooth shaft.
[0015] Preferably, a limiting knob is threadedly connected to the inner side of the upper end of the right end of the adjusting sliding frame, the left end of the limiting knob is tightly attached to the upper side of the right end of the limiting sensing tooth shaft, a horizontal positioning groove is in communication with the left side of the upper end of the limiting rotating groove, and the horizontal positioning groove penetrates through the inner side of the upper end of the adjusting sliding frame upwards.
[0016] Preferably, triangular blocks are arranged on the centers of the inner walls on the left side and the right side of the horizontal positioning groove, a horizontal positioning line is arranged on the left side of the upper end of the limiting sensing tooth shaft, and the horizontal positioning line is located at the lower end of the horizontal positioning groove, a plurality of sensing tooth grooves are arranged in the inner side of the upper end of the azimuth positioning disc, and the plurality of sensing tooth grooves are located on the outer side of the limiting sliding groove and at the lower end of the lower measuring hole.
[0017] Compared with the prior art, the gravity measurement near-zone terrain correction device has the following beneficial effects:
[0018] 1. The recorder and the range finder are matched, the detection direction, the detection angle and the surveying distance of the range finder can be automatically detected and recorded, data can be automatically recorded and classified, manual recording is not needed, and the working efficiency is improved.
[0019] 2. The utility model discloses a direction positioning disc is connected with the connecting threaded rod through the ball head and the ball cover, can conveniently adjust to the horizontal position, and accurate determination horizontal position is used level and direction compass.
[0020] 3. The utility model discloses the cooperation of position adjusting slide bracket and direction positioning disc makes that range finder can flexibly rotate to each determination direction, and through the limit sliding slot, limit sliding block restriction rotating position, and can pass through the inductive precision determination surveying and mapping direction and surveying and mapping angle of positioner to limit response tooth shaft and response tooth groove.
[0021] 4. The utility model discloses whole device convenient operation can accurately measure near area topographic data, provides accurate data support for the near area topographic correction of gravity measurement. DRAWINGS
[0022] Figure 1 It is the three-dimensional structure schematic diagram of the near area topographic correction device of the utility model.
[0023] Figure 2 It is the direction positioning disc connecting structure schematic diagram of the utility model.
[0024] Figure 3 It is the position adjusting slide bracket connecting structure schematic diagram of the utility model.
[0025] Figure 4 It is the Figure 3 It is the enlarged schematic diagram of A place in the middle.
[0026] In the drawing: 1, support seat, 2, support leg, 3, connecting threaded cover, 4, connecting threaded rod, 5, limit threaded cover, 6, direction positioning disc, 7, direction compass, 8, position adjusting slide bracket, 9, range finder, 10, compass needle, 11, level, 12, direction scale, 13, limit sliding slot, 14, limit sliding block, 15, fixed clamping groove, 16, measuring hole, 17, recording instrument, 18, corner inductor, 19, limit rotating groove, 20, limit response tooth shaft, 21, limit knob, 22, horizontal positioning groove, 23, horizontal positioning line, 24, response tooth groove. DETAILED DESCRIPTION
[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of the utility model protection.
[0028] The utility model provides a kind of near area topographic correction device as Figures 1-4The device for near area topographic correction of gravity measurement shown comprises a support base 1, three support legs 2 are arranged at the lower end of the support base 1 in a triangular shape, a connecting threaded sleeve 3 is fixedly connected to the center of the upper end of the support base 1, a connecting threaded rod 4 is internally threadedly connected to the upper end of the connecting threaded sleeve 3, a limiting threaded sleeve 5 is externally threadedly connected to the connecting threaded rod 4 and tightly abuts the upper end of the connecting threaded sleeve 3, an azimuth positioning disc 6 is rotatably connected to the upper end of the connecting threaded rod 4 through a ball head and a ball sleeve, an azimuth compass 7 is arranged at the center of the upper end of the azimuth positioning disc 6, a positioning sliding frame 8 is clamped to the right end of the azimuth positioning disc 6, a range finder 9 is rotatably connected to the left end of the positioning sliding frame 8, an azimuth compass pointer 10 is rotatably connected to the inside of the azimuth compass 7, a level 11 is arranged at the center of the azimuth compass pointer 10 and rotatably connected to the azimuth compass 7, the topographic fluctuation data is measured by near area topographic correction measurement and used for gravity measurement, in the near area topographic correction measurement, a surveying and mapping position of known height is selected and the near area topographic correction device is erected at the surveying and mapping position, the azimuth positioning disc 6 is adjusted to a horizontal position through the ball head and the ball sleeve rotatably connecting the connecting threaded rod 4 and the azimuth positioning disc 6, the azimuth positioning disc 6 is in the horizontal position when the bubble in the level 11 is at the center, the azimuth is determined through the rotation and the correction angle of the azimuth compass pointer 10 in the azimuth compass 7, and finally the topographic data of the surrounding area is measured by the range finder 9.
[0029] Preferably, an azimuth scale 12 is arranged at the outside of the upper end of the azimuth compass 7, a limiting sliding groove 13 is arranged at the outside of the azimuth compass 7 at the outside of the upper end of the azimuth positioning disc 6, a limiting sliding block 14 is fixedly connected to the lower side of the left end of the positioning sliding frame 8 and clamped in the limiting sliding groove 13 and slidably connected to the limiting sliding groove 13, and a triangular pointer is arranged at the center of the upper end of the limiting sliding block 14, after the azimuth is determined, the range finder 9 can be rotated to each measurement azimuth through the positioning sliding frame 8 and the surrounding terrain is surveyed and mapped, the position between the positioning sliding frame 8 and the azimuth positioning disc 6 is limited through the limiting sliding groove 13 and the limiting sliding block 14, each surveying and mapping azimuth is determined through the indicating position of the azimuth scale 12 by the triangular pointer at the upper end of the limiting sliding block 14 and the indicating position of the azimuth scale 12 by the azimuth compass pointer 10 and the correction angle, and the surveying and mapping angle can be adjusted by rotating the range finder 9, the fluctuation height of the surrounding terrain is measured through the surveying and mapping azimuth, the surveying and mapping angle and the height of the surveying and mapping position, so that the accurate data of the surrounding terrain is measured.
[0030] Preferably, the right end of the position adjusting slide 8 is internally provided with a fixed clamping groove 15, the left side of the inner wall of the upper and lower ends of the fixed clamping groove 15 is communicated with a measuring hole 16, a recorder 17 is clamped in the fixed clamping groove 15, the recorder 17 is connected with the position adjusting slide 8 through clamping jaws and clamping grooves, corner sensors 18 are arranged inside the rear side of the upper and lower ends of the recorder 17, and the two corner sensors 18 are located inside the two measuring holes 16 respectively, the upper end of the upper measuring hole 16 is communicated with a limiting rotation groove 19, the limiting rotation groove 19 penetrates into the upper side of the right end of the position adjusting slide 8 to the left, a limiting sensing tooth shaft 20 is rotationally connected inside the limiting rotation groove 19, the distance measuring instrument 9 is rotationally connected with the position adjusting slide 8 through the limiting sensing tooth shaft 20, in the process of adjusting the surveying and mapping angle, the recorder 17 can detect the rotation angle of the limiting sensing tooth shaft 20 through the measuring hole 16 and the corner sensor 18, so as to detect the detection angle of the distance measuring instrument 9, and record the detection angle of the distance measuring instrument 9 in the storage mechanism inside the recorder 17, after the distance of the surveying and mapping position is surveyed and mapped by the distance measuring instrument 9, the surveying and mapping distance is input into the recorder 17 through the buttons and display screen arranged at the right end of the recorder 17 for recording.
[0031] Preferably, a limiting knob 21 is threadedly connected to the upper side of the right end of the position adjusting slide 8, the left end of the limiting knob 21 is closely attached to the upper side of the right end of the limiting sensing tooth shaft 20, a horizontal positioning groove 22 is communicated with the left side of the upper end of the limiting rotation groove 19, and the horizontal positioning groove 22 penetrates into the upper end of the position adjusting slide 8 upward, triangular blocks are arranged on the upper end of the horizontal positioning groove 22, a horizontal positioning line 23 is arranged on the left side of the upper end of the limiting sensing tooth shaft 20, and the horizontal positioning line 23 is located at the lower end of the horizontal positioning groove 22, a plurality of sensing tooth grooves 24 are arranged inside the upper end of the azimuth positioning disc 6, and the plurality of sensing tooth grooves 24 are located outside the limiting sliding groove 13 and at the lower end of the lower measuring hole 16, in the process of determining the surveying and mapping direction, the distance measuring instrument 9 is rotated to the surveying and mapping direction, and is fixed through the position adjusting slide 8 and the bolt, then the distance measuring instrument 9 is adjusted to the horizontal state through the indication of the triangular blocks arranged inside the horizontal positioning groove 22 to the horizontal positioning line 23, and is fixed through the limiting knob 21, at this time, the starting detection direction and the starting detection angle are positioned through the buttons and display screen arranged at the right end of the recorder 17, after the starting detection direction and the starting detection angle are positioned, the bolt and the limiting knob 21 are loosened to start surveying and mapping.
[0032] Preferably, in the process of topographic surveying, the lower corner sensor 18 can determine the rotation angle of the positioning carriage 8 and the range finder 9 by sensing the plurality of sensing teeth grooves 24, so as to accurately determine the detection direction of the range finder 9, and record the detection direction of the range finder 9 by the recorder 17, and classify the data of the detection direction of the range finder 9 and the measured distance, after the end of the topographic surveying, the classified detection data can be returned by the recorder 17, and the terrain data of the area can be accurately calculated according to the detection data, without manual recording, and the work efficiency is improved.
[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application have, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement of some of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the scope of protection of the present application.
Claims
1. A device for near zone topographic correction of gravity measurements, characterized in that, The utility model provides a support seat (1) is provided with three support legs (2) at the lower end, and the three support legs (2) are distributed in the lower end of support seat (1) in triangle, the upper end of support seat (1) is fixedly connected with the connecting threaded sleeve (3) in the center, the upper end of connecting threaded sleeve (3) is internally threadedly connected with the connecting threaded rod (4), the outer portion of connecting threaded rod (4) is threadedly connected with the limiting threaded sleeve (5), and the lower end of limiting threaded sleeve (5) is closely attached to the upper end of connecting threaded sleeve (3), the upper end of connecting threaded rod (4) is rotatably connected with the azimuth positioning disc (6) through the ball head and ball sleeve, the upper end of azimuth positioning disc (6) is provided with the azimuth compass (7) in the center, the right end of azimuth positioning disc (6) is clamped with the position adjusting slide (8), and the left end of position adjusting slide (8) is rotatably connected with the range finder (9) on the upper side.
2. The device for near zone topographic correction of gravity measurement according to claim 1, characterized in that: The azimuth compass (7) is rotatably connected with the compass needle (10) inside, the center of compass needle (10) is provided with the level (11), and the level (11) is rotatably connected with the azimuth compass (7), and the upper end of azimuth compass (7) is provided with the azimuth scale (12) on the outside.
3. The apparatus for near zone topographic correction of gravity measurement according to claim 2, characterized in that: The upper end of azimuth positioning disc (6) is provided with the limiting sliding groove (13) on the outside, and the limiting sliding groove (13) is located on the outside of azimuth compass (7), the lower end of position adjusting slide (8) is fixedly connected with the limiting sliding block (14) on the lower side, and the limiting sliding block (14) is clamped in the limiting sliding groove (13) and is slidably connected with the limiting sliding groove (13).
4. The apparatus for near zone topographic correction of gravity measurement according to claim 3, characterized in that: The upper end of limiting sliding block (14) is provided with a triangular pointer in the center, the right end of position adjusting slide (8) is provided with the fixed clamping groove (15) inside, the left side of the inner wall of fixed clamping groove (15) is communicated with the measuring hole (16) at the upper and lower ends, and the fixed clamping groove (15) is clamped with the recorder (17) inside.
5. The apparatus for near zone topographic correction of gravity measurements of claim 4, wherein: The recorder (17) is connected with the position adjusting slide (8) through the pawl and the clamping groove, the recorder (17) is provided with the corner sensor (18) on the inside on the upper and lower ends, and the two corner sensors (18) are located on the inside of the two measuring holes (16), and the upper measuring hole (16) is communicated with the limiting rotating groove (19) on the upper end.
6. The apparatus for near zone topographic correction of gravity measurements of claim 5, wherein: The limiting rotating groove (19) penetrates in the right end upper side inside of position adjusting slide (8) to left, the limiting rotating groove (19) is rotatably connected with the limiting response tooth shaft (20) inside, the limiting response tooth shaft (20) is fixedly connected with the range finder (9) right end, and the range finder (9) is rotatably connected with the position adjusting slide (8) through the limiting response tooth shaft (20).
7. The apparatus for near zone topographic correction of gravity measurements of claim 6, wherein: The right end upper side inside of position adjusting slide (8) is threadedly connected with the limiting knob (21), the left end of limiting knob (21) is closely attached to the right end upper side of limiting response tooth shaft (20), the upper end left side of limiting rotating groove (19) is communicated with the horizontal positioning groove (22), and the horizontal positioning groove (22) penetrates in the upper end inside of position adjusting slide (8) upwards.
8. The apparatus for near zone topographic correction of gravity measurements of claim 7, wherein: The horizontal positioning groove (22) is provided with triangular blocks at the center of the inner wall of both ends, the limiting induction tooth shaft (20) is provided with a horizontal positioning line (23) at the left side of the upper end, and the horizontal positioning line (23) is located at the lower end of the horizontal positioning groove (22), the azimuth positioning disc (6) is internally provided with a plurality of induction tooth grooves (24) at the outer side of the upper end, and the plurality of induction tooth grooves (24) are located outside the limiting sliding groove (13) and at the lower end of the lower side of the measuring hole (16).