Gravity measurement near-area terrain correction device

Abstract

The utility model relates to the technical field of gravity survey, and discloses a gravity measurement near-area terrain correction device which comprises a supporting piece, folding legs are arranged at the bottom of the supporting piece, a rotating mechanism is arranged at the top of the supporting piece, an installation mechanism is arranged at the top of the rotating mechanism, and a laser range finder is arranged in the middle of the interior of the installation mechanism. The rotating mechanism comprises a rotating rod, the rotating rod is rotationally connected to the center of the disc, and a worm gear is fixedly connected to the bottom of the rotating rod. According to the gravity measurement near-region terrain correction device, the purpose of adjusting the angle of the laser range finder can be achieved through the arranged rotating mechanism, so that near-region terrains at different angles can be measured, the near-region terrain measurement effect is improved, the near-region terrain measurement range is expanded, and the gravity measurement near-region terrain correction device is convenient to mount and dismount through the arranged mounting mechanism. And by arranging the laser range finder which is convenient to mount and dismount, when the laser range finder is damaged, the laser range finder can be dismounted and maintained in time.

Description

Technical Field

[0001] The utility model relates to the technical field of gravity surveying, in particular to a gravity measurement near-area terrain correction device. Background Art

[0002] Determine the value of gravity acceleration on the surface of the earth. The measurement of gravity can be made using physical phenomena related to gravity, such as free fall under the action of gravity, the swing of a pendulum, the expansion and contraction of a spring, the vibration of a string, etc. Therefore, gravity measurement methods are divided into two categories: dynamic method, which measures gravity based on the change in the state of motion of an object after being subjected to a force; static method, which measures gravity based on the equilibrium state of an object after being subjected to a force.

[0003] The patent website announcement number CN 216561042 U discloses a gravity measurement near-area terrain correction device, which belongs to the field of gravity exploration. The key points of its technical solution include: a disc and a hollow support rod connected to the bottom of the disc, the support rod is at a predetermined angle to the plane where the disc is located, a screw is slidably connected inside the support rod, the screw passes through the bottom of the support rod, and one end of the screw away from the support rod abuts against the ground. A driving component for driving the screw to move is provided on the support rod. When the utility model is in use, the screw is driven to move by the driving component, thereby adjusting the length of the screw extending out of the support rod until the instrument tray is adjusted to a horizontal state. The operation is convenient and time-saving and labor-saving.

[0004] The applicant believes that it has the following disadvantages: the gravity measurement near-field terrain correction device does not have the function of rotating the laser rangefinder, which makes it impossible to measure the near-field terrain at different angles, reduces the measurement range of the near-field terrain, and has defects. Utility Model Content

[0005] The purpose of the utility model is to provide a near-area terrain correction device for gravity measurement to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gravity measurement near-zone terrain correction device, comprising a support member, a folding leg is provided at the bottom of the support member, a rotating mechanism is provided at the top of the support member, a mounting mechanism is provided at the top of the rotating mechanism, and a laser rangefinder is provided in the middle of the mounting mechanism.

[0007] The rotating mechanism includes a rotating rod, which is rotatably connected to the center of the disc, a worm wheel is fixedly connected to the bottom of the rotating rod, the worm wheel is arranged at the bottom of the disc, a worm is meshed with the surface of the worm wheel, a rotating part is fixedly connected to one side of the worm, a fixed part is rotatably connected to the surface of the worm, and the fixed part is fixedly connected to the bottom of the disc.

[0008] Preferably, an instrument tray is fixedly connected to the top of the rotating rod, and the instrument tray is arranged on the top of the disc. The laser rangefinder can be supported by the arranged instrument tray.

[0009] Preferably, a support plate is fixedly connected to the bottom of the instrument tray, a pulley is provided at the bottom of the support plate, a slide rail is slidably connected to the surface of the pulley, and the slide rail is fixedly connected to the top of the disc. When the instrument tray is rotating, the pulley slides inside the slide rail, thereby ensuring the stability of the instrument tray during rotation.

[0010] Preferably, the number of the pulleys is three, and the three pulleys are distributed in a ring shape with equal intervals. By setting up multiple pulleys, the stability of the instrument tray can be further ensured.

[0011] Preferably, the mounting mechanism comprises a vertical plate, the vertical plate is fixedly connected to the top of the instrument tray, a mounting piece is fixedly connected to the surface of the vertical plate, the mounting piece is fixedly connected to the top of the instrument tray, and the mounting piece can be supported and fixed by the vertical plate.

[0012] Preferably, support rods are slidably connected on both sides of the mounting member, a placement member is slidably connected to one side of the support rod, and the placement member is fixedly connected to the top of the instrument tray. The placement member can ensure the stability of the support rod during sliding.

[0013] Preferably, support rods are slidably connected on both sides of the mounting member, a placement member is slidably connected to one side of the support rod, and the placement member is fixedly connected to the top of the instrument tray. The laser rangefinder can be initially limited by the setting of the limit plate.

[0014] Preferably, the support rod is fixedly connected to a positioning plate on one side away from the placement piece, two positioning plates are set, and the laser rangefinder is set between the two positioning plates. The top of the instrument tray is fixedly connected to a limit plate, and the laser rangefinder is set between four limit plates. One side of the positioning plate is preferably connected to a pull rod, and the pull rod is slidably connected to the middle of the mounting piece, and the pull rod passes through the vertical plate.

[0015] Preferably, a spring is sleeved on the surface of the support rod, and a fixing ring is provided on one side of the spring. The fixing ring is fixedly connected to the surface of the support rod, and under the elastic potential energy of the spring itself, the positioning plates on both sides can be driven to move towards each other.

[0016] Compared with the prior art, the utility model provides a near-area terrain correction device for gravity measurement, which has the following beneficial effects:

[0017] 1. The gravity measurement near-area terrain correction device can achieve the purpose of adjusting the angle of the laser rangefinder through the rotating mechanism, so that the near-area terrain at different angles can be measured, the effect of the near-area terrain measurement is improved, and the scope of the near-area terrain measurement is expanded.

[0018] 2. The gravity measurement near-area terrain correction device has an installation mechanism and a laser rangefinder that is easy to install and disassemble. When the laser rangefinder is damaged, it can be disassembled and repaired in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a schematic cross-sectional view of the overall structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the rotating mechanism of the utility model;

[0023] Figure 4 It is a schematic diagram of the installation mechanism of the utility model.

[0024] In the figure: 1. disc; 2. rotating mechanism; 21. instrument tray; 22. slide rail; 23. worm gear; 24. rotating rod; 25. support plate; 26. pulley; 27. fixing part; 28. rotating part; 3. mounting mechanism; 31. positioning plate; 32. fixing ring; 33. mounting part; 34. supporting rod; 35. pulling rod; 36. placing part; 37. limiting plate; 38. spring; 39. vertical plate; 4. folding leg; 5. laser rangefinder. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] The utility model provides a technical solution:

[0027] Embodiment 1:

[0028] Combination Figure 1-2 to Figure 3 A gravity measurement near-zone terrain correction device includes a support member, a folding leg 4 is arranged at the bottom of the support member, a rotating mechanism 2 is arranged at the top of the support member, a mounting mechanism 3 is arranged at the top of the rotating mechanism 2, and a laser rangefinder 5 is arranged in the middle of the mounting mechanism 3.

[0029] The rotating mechanism 2 includes a rotating rod 24, which is rotatably connected to the center of the disc 1. A worm wheel 23 is fixedly connected to the bottom of the rotating rod 24. The worm wheel 23 is arranged at the bottom of the disc 1. A worm is meshed on the surface of the worm wheel 23. A rotating member 28 is fixedly connected to one side of the worm. A fixed member 27 is rotatably connected to the surface of the worm. The fixed member 27 is fixedly connected to the bottom of the disc 1.

[0030] Furthermore, an instrument tray 21 is fixedly connected to the top of the rotating rod 24 . The instrument tray 21 is arranged on the top of the disc 1 . The laser rangefinder 5 can be supported by the arranged instrument tray 21 .

[0031] Furthermore, a support plate 25 is fixedly connected to the bottom of the instrument tray 21, a pulley 26 is provided at the bottom of the support plate 25, a slide rail 22 is slidably connected to the surface of the pulley 26, and the slide rail 22 is fixedly connected to the top of the disc 1. When the instrument tray 21 is rotating, the pulley 26 slides inside the slide rail 22, which can ensure the stability of the instrument tray 21 during rotation.

[0032] Furthermore, the number of pulleys 26 is three, and the three pulleys 26 are distributed in a ring shape with equal intervals. By setting a plurality of pulleys 26, the stability of the instrument tray 21 can be further ensured.

[0033] Embodiment 2:

[0034] See also Figure 4 On the basis of the first embodiment, the mounting mechanism 3 further comprises a vertical plate 39, the vertical plate 39 is fixedly connected to the top of the instrument tray 21, a mounting member 33 is fixedly connected to the surface of the vertical plate 39, the mounting member 33 is fixedly connected to the top of the instrument tray 21, and the mounting member 33 can be supported and fixed by the vertical plate 39.

[0035] Furthermore, support rods 34 are slidably connected on both sides of the mounting member 33, and a placement member 36 is slidably connected on one side of the support rod 34. The placement member 36 is fixedly connected to the top of the instrument tray 21. By setting the placement member 36, the stability of the support rod 34 during the sliding process can be ensured.

[0036] Furthermore, support rods 34 are slidably connected on both sides of the mounting member 33, and a placement member 36 is slidably connected on one side of the support rod 34. The placement member 36 is fixedly connected to the top of the instrument tray 21, and the laser rangefinder 5 can be initially limited by the setting of the limit plate 37.

[0037] Furthermore, a positioning plate 31 is fixedly connected to one side of the support rod 34 away from the placement piece 36, two positioning plates 31 are set, and the laser rangefinder 5 is set between the two positioning plates 31. A limit plate 37 is fixedly connected to the top of the instrument tray 21, and the laser rangefinder 5 is set between four limit plates 37. A pull rod 35 is better connected to one side of the positioning plate 31, and the pull rod 35 is slidably connected to the middle of the mounting piece 33, and the pull rod 35 passes through the vertical plate 39.

[0038] Furthermore, a spring 38 is sleeved on the surface of the support rod 34, and a fixing ring 32 is provided on one side of the spring 38. The fixing ring 32 is fixedly connected to the surface of the support rod 34. Under the elastic potential energy of the spring 38 itself, the positioning plates 31 on both sides can be driven to move towards each other.

[0039] In actual operation, when the device is used, first, the pull rods 35 on both sides are pulled in directions away from each other. At this time, the pull rods 35 on both sides can drive the positioning plates 31 on both sides to move in directions away from each other, and the springs 38 on both sides are compressed. Then, the laser rangefinder 5 is placed between the four limit plates 37, and the springs 38 are loosened. Under the elastic potential energy of the springs 38, the positioning plates 31 on both sides can be driven to move in directions close to each other, so that the laser rangefinder 5 can be clamped and fixed, thereby achieving the installation of the laser rangefinder 5. It can be known from the above principle that the laser rangefinder 5 can be disassembled by repeating the reverse steps. When the angle of the laser rangefinder 5 needs to be adjusted, the rotating member 28 can be rotated, and the rotating member 28 drives the worm and the worm wheel 23 to rotate synchronously, and drives the rotating rod 24 and the instrument tray 21 to rotate synchronously, so as to achieve the purpose of adjusting the angle of the laser rangefinder 5, so that the near-area terrain at different angles can be measured, the effect of the near-area terrain measurement is improved, and the range of the near-area terrain measurement is expanded.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A gravity measurement near-area terrain correction device, comprising a support member, characterized in that: A folding leg (4) is provided at the bottom of the support member, a rotating mechanism (2) is provided at the top of the support member, a mounting mechanism (3) is provided at the top of the rotating mechanism (2), and a laser rangefinder (5) is provided in the middle of the mounting mechanism (3); The rotating mechanism (2) comprises a rotating rod (24), the rotating rod (24) being rotatably connected to the center of the disc (1), a worm wheel (23) being fixedly connected to the bottom of the rotating rod (24), the worm wheel (23) being arranged at the bottom of the disc (1), a worm being meshed on the surface of the worm wheel (23), a rotating member (28) being fixedly connected to one side of the worm, a fixing member (27) being rotatably connected to the surface of the worm, and the fixing member (27) being fixedly connected to the bottom of the disc (1).

2. A gravity measurement near-area terrain correction device according to claim 1, characterized in that: The top of the rotating rod (24) is fixedly connected to an instrument tray (21), and the instrument tray (21) is arranged on the top of the disc (1).

3. A gravity measurement near-area terrain correction device according to claim 2, characterized in that: The bottom of the instrument tray (21) is fixedly connected to a support plate (25), the bottom of the support plate (25) is provided with a pulley (26), the surface of the pulley (26) is slidably connected to a slide rail (22), and the slide rail (22) is fixedly connected to the top of the disc (1).

4. The device for correcting near-field terrain in gravity measurement according to claim 3, characterized in that: The number of the pulleys (26) is three, and the three pulleys (26) are distributed in a ring shape with equal intervals.

5. The device for correcting near-field terrain in gravity measurement according to claim 1, characterized in that: The mounting mechanism (3) comprises a vertical plate (39), wherein the vertical plate (39) is fixedly connected to the top of the instrument tray (21), and a mounting member (33) is fixedly connected to the surface of the vertical plate (39), wherein the mounting member (33) is fixedly connected to the top of the instrument tray (21).

6. A gravity measurement near-area terrain correction device according to claim 5, characterized in that: Support rods (34) are slidably connected to both sides of the mounting member (33), and a placement member (36) is slidably connected to one side of the support rod (34), and the placement member (36) is fixedly connected to the top of the instrument tray (21).

7. The device for correcting near-field terrain in gravity measurement according to claim 6, characterized in that: The support rod (34) is fixedly connected to a positioning plate (31) on one side away from the placement member (36), and the number of positioning plates (31) is two. The laser rangefinder (5) is arranged between the two positioning plates (31). The top of the instrument tray (21) is fixedly connected to a limit plate (37), and the laser rangefinder (5) is arranged between four limit plates (37). One side of the positioning plate (31) is preferably connected to a pull rod (35), and the pull rod (35) is slidably connected to the middle of the mounting member (33), and the pull rod (35) passes through the vertical plate (39).

8. The device for correcting near-field terrain in gravity measurement according to claim 6, characterized in that: A spring (38) is sleeved on the surface of the support rod (34), a fixing ring (32) is provided on one side of the spring (38), and the fixing ring (32) is fixedly connected to the surface of the support rod (34).

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