Gravimeter attitude adjusting platform

Abstract

The embodiment of the utility model provides a gravimeter attitude adjusting platform which comprises a lower supporting plate, a slewing bearing, an upper supporting plate, a limiting device, a locking screw, a leveling supporting foot and a gradienter, and the upper supporting plate can rotate relative to the lower supporting plate through the slewing bearing; the outer edge of the upper supporting plate extends into the limiting groove and can rotate relative to the limiting groove; one end of the locking screw can extend into the limiting groove to fix the upper supporting plate; the leveling support legs are movably connected with the lower support plate to adjust the length of the leveling support legs extending out of the lower support plate; the gradienter is fixed on the surface, back to the lower supporting plate, of the upper supporting plate. The gravimeter attitude adjusting platform provided by the embodiment of the utility model can support the gravimeter, drive the gravimeter to rotate and realize the leveling of the gravimeter so as to overcome the gravity measurement error caused by the Coriolis force effect, and is more convenient to operate.

Description

Technical Field

[0001] This utility model relates to the field of cold atom gravimeter measurement technology, and in particular to a gravimeter attitude adjustment platform. Background Technology

[0002] The Coriolis effect refers to the phenomenon where moving objects on Earth are deflected due to the Earth's rotation. This effect is a significant source of measurement error in cold atom gravimeters. To assess or overcome gravity measurement errors caused by the Coriolis effect, a common practice is to rotate the gravimeter 360° and measure the gravity values ​​under different system deflection angles. Current technology involves manually lifting and rotating the gravimeter, but due to its weight, lifting or rotating it is strenuous, and adjusting the gravimeter's attitude is not accurate enough. Utility Model Content

[0003] Therefore, in order to overcome at least some of the defects and deficiencies in the prior art, this utility model provides a gravimeter attitude adjustment platform, which can support the gravimeter, drive the gravimeter to rotate, and realize the gravimeter leveling, so as to overcome the gravity measurement error caused by the Coriolis force effect, and is more convenient to operate.

[0004] This utility model provides a gravimeter attitude adjustment platform, comprising: a lower support plate; a slewing bearing disposed on the lower support plate, one end of which is fixedly connected to the lower support plate; an upper support plate connected to the opposite end of the slewing bearing and rotatable relative to the lower support plate via the slewing bearing; a limiting device disposed near the outer edge of the lower support plate, the first end of the limiting device being fixed to the lower support plate, and the second end of the limiting device forming a limiting groove on one side facing the middle of the lower support plate; the outer edge of the upper support plate extending into the limiting groove and rotatable relative to the limiting groove; a locking screw threadedly connected to the limiting device, one end of the locking screw extending into the limiting groove to fix the upper support plate; a leveling foot connected to the lower support plate and one end extending out of the lower support plate on the side facing away from the upper support plate, the leveling foot being movably connected to the lower support plate to adjust the length extending out of the lower support plate; and a level fixed on the surface of the upper support plate facing away from the lower support plate.

[0005] In some embodiments, the upper support plate has angle scale markings on its surface facing away from the lower support plate; and / or, the gravimeter attitude adjustment platform further includes a height measuring ruler, which is movably connected to the lower support plate and extends out from the side of the lower support plate facing away from the upper support plate; and / or, there are multiple levels, which are evenly arranged around the circumference of the upper support plate and are located near the edge of the upper support plate.

[0006] In some embodiments, the upper support plate has gravimeter foot positioning holes on its surface facing away from the lower support plate.

[0007] In some embodiments, the number of limiting devices is multiple sets, and each set of limiting devices includes two limiting blocks arranged radially opposite to each other along the upper support plate. Each limiting block is provided with a limiting groove and is connected to a locking screw.

[0008] In some embodiments, the upper support plate has a lower surface facing the lower support plate, an upper surface opposite to the lower surface, and a side surface connecting the upper surface and the lower surface; the locking screw corresponding to each of the limiting blocks includes a first screw, a second screw, and a third screw, wherein the first screw can extend into the limiting groove and abut against the upper surface; the second screw can extend into the limiting groove and abut against the lower surface; and the third screw can extend into the limiting groove and abut against the side surface.

[0009] In some embodiments, the limiting device includes a plurality of limiting blocks, and the plurality of limiting blocks and the leveling foot are offset from each other on the orthographic projection of the lower support plate.

[0010] In some embodiments, the number of leveling feet is multiple, and the angle between any one leveling foot and the adjacent limiting block on the orthographic projection of the lower support plate is less than or equal to 45°.

[0011] In some embodiments, the gravimeter support foot positioning hole includes a plurality of main positioning holes, and the number of leveling feet is the same as the number of the plurality of main positioning holes.

[0012] In some embodiments, the axial load of the slewing bearing is greater than 500 kg.

[0013] In some embodiments, the thickness of the upper support plate and the lower support plate ranges from 15 to 25 mm.

[0014] As can be seen from the above, the embodiments of this utility model can achieve one or more of the following beneficial effects: The gravimeter attitude adjustment platform provided in this embodiment can be used to support the gravimeter. The gravimeter is placed on the upper support plate, allowing it to rotate by rotating the upper support plate. This enables the gravimeter to measure gravity values ​​at different system deflection angles. The limiting device and locking screws ensure that the upper support plate is fixed and does not rotate arbitrarily after rotation to the designated position. Furthermore, the leveling feet and level can be used to adjust the level of the lower support plate, i.e., to coarsely adjust the level of the gravimeter. Therefore, it can be used to assess or overcome gravity measurement errors caused by the Coriolis force. Compared to manually lifting the gravimeter to rotate it, this method is more efficient, easier to operate, and provides more accurate attitude adjustment for the gravimeter. Attached Figure Description

[0015] The specific embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0016] Figure 1 This is a three-dimensional structural diagram of a gravimeter attitude adjustment platform provided for an embodiment of the present utility model.

[0017] Figure 2 for Figure 1 The diagram shows a top view of the gravimeter attitude adjustment platform.

[0018] Figure 3 for Figure 2 The right view of the gravimeter attitude adjustment platform shown.

[0019] Figure 4 for Figure 1 The diagram shows a three-dimensional structure of the gravimeter attitude adjustment platform supporting the gravimeter.

[0020] [Explanation of Labels in the Attached Image]

[0021] 100. Gravimeter attitude adjustment platform; 10. Lower support plate; 20. Slewing bearing; 21. Outer ring; 22. Inner ring; 30. Upper support plate; 31. Upper surface; 32. Lower surface; 33. Side; 34. Angle scale markings; 35. Gravimeter support foot positioning holes; 351. Main positioning hole; 352. Redundant positioning hole; 40. Limiting device; 41. Limiting groove; 42. Limiting block; 421. Machining hole; 50. Locking screw; 51. First screw; 52. Second screw; 53. Third screw; 60. Leveling support foot; 70. Level; 80. Height measuring ruler; 200. Gravimeter. Detailed Implementation

[0022] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0023] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0024] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such terms can be used interchangeably where appropriate so that the embodiments of the utility model described herein can be implemented in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0025] It should also be noted that the division of multiple embodiments in this utility model is only for the convenience of description and should not constitute a special limitation. Features in various embodiments can be combined and referenced in each other without contradiction.

[0026] Reference Figure 1 This utility model provides a gravimeter attitude adjustment platform 100, including: a lower support plate 10, a slewing bearing 20, an upper support plate 30, a limiting device 40, a locking screw 50, a leveling support leg 60, and a level 70.

[0027] The slewing bearing 20 is mounted on the lower support plate 10, with one end of the slewing bearing 20 fixedly connected to the lower support plate 10. The upper support plate 30 is connected to the opposite end of the slewing bearing 20 and can rotate relative to the lower support plate 10 via the slewing bearing 20. Specifically, refer to... Figure 3 The slewing bearing 20 is located in the middle of the lower support plate 10, specifically coaxial with it. The slewing bearing 20 includes an outer ring 21 and an inner ring 22 that can rotate relative to each other. The outer ring 21 is connected to the lower support plate 10, and the inner ring 22 is connected to the upper support plate 30. Rotation of the inner ring 22 relative to the outer ring 21 allows the upper support plate 30 to rotate relative to the lower support plate 10. The lower support plate 10 and the upper support plate 30 can be fixedly connected to the slewing bearing 20 with screws.

[0028] The limiting device 40 is disposed near the outer edge of the lower support plate 10. The first end of the limiting device 40 is fixed to the lower support plate 10, and the second end of the limiting device 40 forms a limiting groove 41 on one side facing the middle of the lower support plate 10. The outer edge of the upper support plate 30 extends into the limiting groove 41 and can rotate relative to the limiting groove 41.

[0029] The locking screw 50 is threadedly connected to the limiting device 40, and one end of the locking screw 50 can extend into the limiting groove 41 to fix the upper support plate 30. The locking screw 50 can be adjusted. When it is necessary to rotate the upper support plate 30, the locking screw 50 can be loosened, and the outer edge of the upper support plate 30 can move relative to the limiting groove 41. When the upper support plate 30 is rotated to the required angle, the locking screw 50 is tightened so that the locking screw 50 extends into the limiting groove 41 and abuts against the outer edge of the upper support plate 30, and the upper support plate 30 is fixed and cannot move relative to the limiting groove 41. The rotation and locking of the upper support plate 30 can be achieved through the cooperation of the upper support plate 30, the limiting device 40, and the locking screw 50.

[0030] The leveling foot 60 is connected to the lower support plate 10 and extends out from the side of the lower support plate opposite to the upper support plate 30. The leveling foot 60 is movably connected to the lower support plate 10 to adjust the length extending out of the lower support plate 10. For example, the leveling foot 60 passes through the lower support plate 10 and is threadedly connected to the lower support plate 10. By rotating the leveling foot 60, the length of the leveling foot 60 extending out of the lower support plate 10 can be adjusted to change the tilt angle of the lower support plate 10 (and other components on it, such as the upper support plate 30) relative to the ground, so as to adjust the gravimeter attitude adjustment platform 100 to a basically horizontal position.

[0031] A level 70 is fixed to the surface of the upper support plate 30 facing away from the lower support plate 10. Specifically, the level 70 is a bubble level, and the levelness of the upper support plate 30 can be determined by observing the position of the bubble in the level 70.

[0032] Reference Figure 4 The gravimeter attitude adjustment platform 100 provided in this embodiment can be used to support the gravimeter 200, also known as the sensing unit, which includes a vacuum cavity, a bias magnetic field coil, an anti-Helmholtz coil, etc. The specific structure can be referenced from existing cold atom interferometric gravimeters, and will not be described in detail here. The gravimeter 200 is placed on the upper support plate 30, so that the gravimeter 200 can be rotated by rotating the upper support plate 30, allowing the gravimeter 200 to measure gravity values ​​at different system deflection angles. The limiting device 40 and the locking screw 50 can limit the gravimeter 200 after it reaches a specified angle. Furthermore, the leveling feet 60 and the level 70 work together to adjust the level of the lower support plate 10, that is, to coarsely adjust the level of the gravimeter 200. Therefore, the gravimeter attitude adjustment platform 100 provided in this embodiment can be used to evaluate or overcome gravity measurement errors caused by the Coriolis force. Compared with manually lifting the gravimeter to achieve rotation, it is more efficient, easier to operate, and more accurate in adjusting the attitude of the gravimeter.

[0033] In some embodiments, an angle scale mark 34 is provided on the surface of the upper support plate 30 facing away from the lower support plate 10, which facilitates observation of the rotation angle of the upper support plate 30. During actual testing, the initial position can be marked on the lower support plate 10, and the angle rotated by the upper support plate 30 can be determined by referring to the positional relationship between the scale reading in the angle scale mark 34 and the initial position during rotation. (Refer to...) Figure 2 For example, if a scale is marked every 15° (i.e., the graduation value is 15°), then within a 360° rotation of the gravimeter, a maximum of 24 measurements can be taken every 15°, thus obtaining more measurement data and making the subsequent error assessment more accurate. Of course, this embodiment is not limited; it can also be set to mark a scale every 30° or 45°. The smaller the angle difference (i.e., the graduation value) between adjacent scales, the more measurements can be taken within a 360° rotation.

[0034] In some embodiments, the gravimeter attitude adjustment platform 100 further includes a height measuring ruler 80, which is movably connected to the lower support plate 10 and extends out from the side of the lower support plate 10 opposite to the upper support plate 30. Specifically, refer to... Figure 1 A height measuring ruler 80 passes through the lower support plate 10, and a fixing piece for mounting the height measuring ruler 80 is also provided above the lower support plate 10. After adjusting the leveling feet 60 to adjust the lower support plate 10 to a basically horizontal position, the fixing piece can be loosened, allowing the height measuring ruler 80 to move up and down relative to the fixing piece. When the bottom end of the height measuring ruler 80 touches the ground, the distance between the lower support plate 10 and the ground can be read from the scale aligned with the surface of the lower support plate 10 on the height measuring ruler 80. Since the distance between the upper support plate 30 and the lower support plate 10 is fixed, the distance between the upper support plate 30 and the bottom surface, i.e., the height of the gravimeter 200 above the ground, can be obtained. This facilitates parameter adjustment or calculation based on the height of the gravimeter 200 during measurement, thus correcting the measurement results. The graduation value of the scale on the height measuring ruler 80 is 1 millimeter or smaller.

[0035] In some embodiments, multiple levels 70 are arranged evenly along the circumference of the upper support plate 30 and adjacent to the edge of the upper support plate 30. By providing multiple levels 70, the bubble state in at least one level 70 can be easily observed when adjusting different leveling feet 60, thereby improving leveling efficiency. The proximity of the level 70 to the edge of the upper support plate 30 prevents the gravimeter 200 or its external structure from obstructing the level 70, facilitating observation.

[0036] In some embodiments, the upper support plate 30 has gravimeter foot positioning holes 35 on its surface facing away from the lower support plate 10. The number of gravimeter foot positioning holes 35 is determined according to the number of feet of the gravimeter 200, and can be one or more times the number of feet of the gravimeter 200. For example, if the gravimeter 200 has 3 feet, then the number of gravimeter foot positioning holes 35 can be 3, 6, or 9, etc. That is, the gravimeter foot positioning holes 35 are divided into one or more groups, each group containing multiple gravimeter foot positioning holes 35 corresponding to the position and number of feet of the gravimeter 200. For example... Figure 2 The six gravimeter foot positioning holes 35 can be divided into two groups, each group containing three gravimeter foot positioning holes 35 spaced 120° apart, with a 60° interval between the two groups (i.e., one group can be obtained by rotating the center of the other set of support plates 30 by 60°). Multiple groups of gravimeter foot positioning holes 35 can be classified as main positioning holes 351 and redundant positioning holes 352. (Refer to...) Figure 2 As shown, the three main positioning holes 351 are represented by solid lines, and the three redundant positioning holes 352 are represented by dotted lines. By providing the gravimeter foot positioning holes 35, when the gravimeter 200 is placed on the upper support plate 30, the feet of the gravimeter 200 can be limited by the gravimeter foot positioning holes 35, preventing the gravimeter 200 from sliding and shifting or tipping over during the rotation of the upper support plate 30. The inclusion of redundant positioning holes 352 alongside the main positioning holes 351 makes it easier to align the feet of the gravimeter 200 with one set of gravimeter foot positioning holes 35 when lifting and placing the gravimeter 200 onto the upper support plate 30, making handling and installation more convenient and effortless.

[0037] In some embodiments, the number of leveling feet 60 is the same as the number of main positioning holes 351. That is, the number of leveling feet 60 is the same as the number of feet of the gravimeter 200. Figure 2 and Figure 3 There are three main positioning holes 351 and three leveling feet 60. In some embodiments, the leveling feet 60 and the main positioning holes 351 correspond one-to-one, and the angle between the corresponding leveling foot 60 and the orthographic projection of the main positioning hole 351 on the lower support plate 10 (with the center of the lower support plate 10 as the apex angle) is 0. Alternatively, it can be said that the corresponding leveling foot 60 and the orthographic projection of the main positioning hole 351 on the lower support plate 10 are located on the same radius of the lower support plate 10.

[0038] In some embodiments, the number of levels 70 is the same as the number of leveling feet 60, and the projections of the levels 70 and leveling feet 60 onto the lower support plate 10 are close to each other. For example, the angle between their projections onto the lower support plate 10 (with the center of the lower support plate 10 as the apex angle) is less than 60°, making it easier to observe the state of the adjacent levels 70 when adjusting the leveling feet 60.

[0039] In some embodiments, the number of limiting devices 40 is multiple sets, and each set of limiting devices 40 includes two limiting blocks 42 arranged radially opposite to each other along the upper support plate 30. Each limiting block 42 is provided with a limiting groove 41 and is respectively connected with a locking screw 50. Figure 2 The diagram shows two sets of limiting devices 40, one set along... Figure 2 The horizontal dotted lines are set relatively, and another set is along... Figure 2 The vertical dotted lines are arranged opposite each other, and the four limiting blocks 42 are arranged at 90° intervals between each other. By having the support plates 30 of each set of limiting devices 40 arranged radially opposite each other and each limiting block 42 connected with a locking screw 50, the upper support plate 30 can be subjected to more even force when it is limited and fixed by the locking screw 50.

[0040] In some embodiments, refer to Figure 1 or Figure 3 The upper support plate 30 has a lower surface 32 facing the lower support plate 10, an upper surface 31 opposite to the lower surface 32, and a side surface 33 connecting the upper surface 31 and the lower surface 32. The locking screws 50 include a first screw 51, a second screw 52, ​​and a third screw 53 corresponding to each limiting block 42. The first screw 51 can extend into the limiting groove 41 and abut against the upper surface 31. The second screw 52 can extend into the limiting groove 41 and abut against the lower surface 32. The third screw 53 can extend into the limiting groove 41 and abut against the side surface 33. When the upper support plate 30 is rotated to the desired angle, the first screw 51, the second screw 52, ​​and the third screw 53 on each limiting block 42 can be tightened respectively, thereby locking the upper support plate 30 in multiple directions. This ensures that the upper support plate 30 is more stably locked in the designated position, preventing slight changes in the rotation angle of the upper support plate 30 due to vibration of the bottom surface during measurement, thus making subsequent measurements more accurate. In some embodiments, the first screw 51 and the second screw 52 are radially offset from each other in the lower support plate 10, for example, referring to... Figure 3 The first screw 51 is positioned closer to the inner ring of the lower support plate 10 than the second screw 52, ​​which facilitates machining. In some embodiments, refer to Figure 2 The limiting block 42 has a machining hole 421 corresponding to the second screw 52. The position of the angle scale mark 34 corresponding to the machining hole 421 can be set so that the angle through which the upper support plate 30 has rotated can be determined by observing the scale reading in the machining hole 421.

[0041] In some embodiments, the plurality of limiting blocks 42 and leveling feet 60 of the limiting device 40 are misaligned in their orthogonal projections on the lower support plate 10. This avoids interference between the leveling feet 60 and the limiting blocks 42.

[0042] In some embodiments, there are multiple leveling feet 60, and the angle between the orthographic projection of any leveling foot 60 and the adjacent limiting block 42 on the lower support plate 10 (with the center of the lower support plate 10 as the apex angle) is less than or equal to 45°. This ensures that each leveling foot 60 is close to the limiting block 42, facilitating direct adjustment of the leveling foot 60 after adjusting the locking screw 50, resulting in a more rational operation path and higher efficiency.

[0043] In some embodiments, the axial load of the slewing bearing 20 is greater than 500 kg, which increases the load-bearing capacity of the slewing bearing 20 and reduces the deformation of the upper support plate 30 and the lower support plate 10. Taking the mass of the gravimeter 200 as approximately 60 kg as an example, a slewing bearing 20 with an axial load of 1 ton can be selected, so that the vertical deformation of the edges of the upper support plate 30 and the lower support plate 10 is less than 0.1 mm. In some embodiments, slewing bearings 20 with axial loads of 2 tons, 3 tons, or 4 tons can also be selected to provide more stable support.

[0044] In some embodiments, the thickness of the upper support plate 30 and the lower support plate 10 ranges from 15 to 25 mm. Specifically, it can be 20 mm, which avoids the inconvenience of rotation due to excessive thickness, and also avoids the large deformation that would affect the measurement results due to excessive thinness. The upper support plate 30 and the lower support plate 10 can be made of aluminum plates.

[0045] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A gravimeter attitude adjustment platform (100), characterized in that, include: Lower support plate (10); A slewing bearing (20) is mounted on the lower support plate (10), with one end fixedly connected to the lower support plate (10); The upper support plate (30) is connected to the opposite end of the slewing bearing (20) and can rotate relative to the lower support plate (10) through the slewing bearing (20); A limiting device (40) is provided near the outer edge of the lower support plate (10). The first end of the limiting device (40) is fixed on the lower support plate (10), and the second end of the limiting device (40) forms a limiting groove (41) on one side facing the middle of the lower support plate (10). The outer edge of the upper support plate (30) extends into the limiting groove (41) and can rotate relative to the limiting groove (41). A locking screw (50) is threadedly connected to the limiting device (40), and one end of the locking screw (50) can extend into the limiting groove (41) to fix the upper support plate (30); A leveling foot (60) is connected to the lower support plate (10) and one end extends out of the side of the lower support plate opposite to the upper support plate (30). The leveling foot (60) is movably connected to the lower support plate (10) to adjust the length extending out of the lower support plate (10). A level (70) is fixed to the surface of the upper support plate (30) facing away from the lower support plate (10).

2. The gravimeter attitude adjustment platform (100) as described in claim 1, characterized in that, Angle scale markings (34) are provided on the surface of the upper support plate (30) facing away from the lower support plate (10); and / or, the gravimeter attitude adjustment platform (100) further includes a height measuring ruler (80), which is movably connected to the lower support plate (10) and extends out from the side of the lower support plate (10) facing away from the upper support plate (30); and / or, there are multiple levels (70), which are evenly arranged around the circumference of the upper support plate (30) and are located near the edge of the upper support plate (30).

3. The gravimeter attitude adjustment platform (100) as described in claim 1, characterized in that, The upper support plate (30) has a gravimeter support foot positioning hole (35) on its surface facing away from the lower support plate (10).

4. The gravimeter attitude adjustment platform (100) as described in claim 1, characterized in that, The number of the limiting devices (40) is multiple sets. Each set of limiting devices (40) includes two limiting blocks (42) arranged radially opposite to each other along the upper support plate (30). Each limiting block (42) is provided with the limiting groove (41) and is connected with the locking screw (50).

5. The gravimeter attitude adjustment platform (100) as described in claim 4, characterized in that, The upper support plate (30) has a lower surface (32) facing the lower support plate (10), an upper surface (31) opposite to the lower surface (32), and a side surface (33) connecting the upper surface (31) and the lower surface (32); the locking screw (50) corresponding to each of the limiting blocks (42) includes a first screw (51), a second screw (52) and a third screw (53), the first screw (51) can extend into the limiting groove (41) and abut against the upper surface (31); the second screw (52) can extend into the limiting groove (41) and abut against the lower surface (32); the third screw (53) can extend into the limiting groove (41) and abut against the side surface (33).

6. The gravimeter attitude adjustment platform (100) as described in claim 1, characterized in that, The limiting device (40) includes multiple limiting blocks (42), and the multiple limiting blocks (42) and the leveling support (60) are offset from each other on the lower support plate (10).

7. The gravimeter attitude adjustment platform (100) as described in claim 6, characterized in that, The number of leveling feet (60) is multiple, and the angle between the orthographic projection of any one of the leveling feet (60) and the adjacent limiting block (42) on the lower support plate (10) is less than or equal to 45°.

8. The gravimeter attitude adjustment platform (100) as described in claim 3, characterized in that, The gravimeter support foot positioning hole (35) includes a plurality of main positioning holes (351), and the number of the leveling support feet (60) is the same as the number of the plurality of main positioning holes (351).

9. The gravimeter attitude adjustment platform (100) as described in claim 1, characterized in that, The axial load of the slewing bearing (20) is greater than 500 kg.

10. The gravimeter attitude adjustment platform (100) as described in claim 1, characterized in that, The thickness of the upper support plate (30) and the lower support plate (10) ranges from 15 to 25 mm.

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