CN216954507U

CN216954507U - Gradiometer

Info

Publication number: CN216954507U
Application number: CN202122693223.9U
Authority: CN
Inventors: 徐鹏程; 龙腾; 孙宏雨; 贾海强; 牟建伟; 李杨; 张涵; 孙毅; 韩玉芳; 郝勇浙; 王鑫泽
Original assignee: China Railway Beijing Engineering Group Co Ltd; China Railway Beijing Engineering Group Beijing Co Ltd
Current assignee: China Railway Beijing Engineering Group Co Ltd; China Railway Beijing Engineering Group Beijing Co Ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-07-12
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a gradiometer which comprises a gravity measuring device, a scale group and a frame body, wherein the scale group is arranged in the frame body; the scale group comprises a first scale and a second scale which are arranged in parallel, the connecting line of the same scale of the first scale and the second scale is vertical to the direction of the first scale and the direction of the second scale, and the gravity measuring device is arranged between the first scale and the second scale. The utility model adopts the triangular frame body, solves the difficulty of slope calibration at any time in slope construction, simultaneously adopts a double-ruler structure to read from two sides simultaneously, and obtains a measurement structure with high relative precision according to the average number of the two readings.

Description

Gradiometer

Technical Field

The utility model relates to the field of construction measurement, in particular to a gradiometer.

Background

At present, the slope measuring instruments and methods applied to the hydraulic engineering in the market are not few, but the slope measuring instruments and methods are used for real-time monitoring, the simple, quick and precise methods are not many, some instruments are measured and calculated by using a surveying and mapping instrument and can be completed by a plurality of people, the efficiency is not high, and the portable instruments in the market are limited to a short slope length range due to the fact that the length of the portable instruments is only about 20 cm, and a smooth and flat slope is required, so that the slope measuring instrument is difficult to perform quick slope detection on a large-span convex-concave slope, and cannot be applied to construction guidance while detection is performed on site by constructors.

A gradiometer is now required to address the above problems.

Disclosure of Invention

The utility model provides a gradiometer which solves the problems of low measurement precision and large field requirement in the prior art, adopts a foot rest and a double-ruler structure and solves the problems.

The utility model provides a gradiometer which comprises a gravity measuring device, a scale group and a frame body, wherein the scale group is arranged in the frame body; the scale group comprises a first scale and a second scale which are arranged in parallel, the connecting line of the same scale of the first scale and the second scale is vertical to the direction of the first scale and the direction of the second scale, and the gravity measuring device is arranged between the first scale and the second scale.

As a preferred mode, the gravity measuring device comprises a plumb bob and a plumb line, the plumb line is made of flexible materials, one section of the plumb line is connected with the top end of the frame body, the other end of the plumb line is connected with the plumb bob, and the weight of the plumb bob is larger than that of the plumb line.

The gradiometer provided by the utility model is characterized in that a frame body comprises a first stabilizer bar, a second stabilizer bar and a third stabilizer bar, one end part of the first stabilizer bar, one end part of the second stabilizer bar and one end part of the third stabilizer bar are movably connected to a point, ground fixing devices are arranged at the other end of the first stabilizer bar, the other end of the second stabilizer bar and the other end of the third stabilizer bar, and one end of a gravity measuring device is arranged at the connecting point of the first stabilizer bar, the second stabilizer bar and the third stabilizer bar.

As a preferred mode, the gravity measuring device further comprises a balance scale, the balance scale is arranged at the position, equal to the scale set, on the plumb line, and the balance scale is of an equilong rod-shaped structure which is symmetrical by taking the plumb line as a midpoint.

The utility model has the following beneficial effects:

the triangular frame body is adopted, the difficulty of slope calibration at any time in slope construction is solved, the defects of complexity, low efficiency and the like when the engineering slope measurement is carried out by using the existing measuring instrument and measuring method are overcome, the slope inclination can be corrected at any time conveniently, the operation is simple, convenient and reliable, and great help is brought to the acceleration of the engineering progress and the improvement of the engineering quality; meanwhile, the double-ruler structure is adopted, the readings can be simultaneously read from two sides, and the measurement structure with high relative precision can be obtained by taking the average number according to the readings twice.

Drawings

FIG. 1 is a schematic diagram of a gradiometer;

FIG. 2 is a schematic view of a gradiometer scale assembly;

FIG. 3 is a schematic view of a gradiometer gravimetric measurement device;

fig. 4 is a schematic view of a gradiometer frame.

Reference numerals:

1. a gravity measuring device; 11. a plumb bob; 12. a plumb line; 13. a balance scale; 2. a set of scales; 21. a first scale; 22. a second scale; 3. a frame body; 31. a first stabilizer bar; 32. A second stabilizer bar; 33. a third stabilizer bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1

As shown in fig. 1, a gradiometer comprises a gravity measurement device 1, a scale group 2 and a support body 3, wherein the scale group 2 is arranged inside the support body 3, one end of the gravity measurement device 1 is connected with the top end of the support body 3 and is arranged in the scale group 2, the gravity measurement device 1 is used for pointing to the gravity direction, the scale group 2 is provided with scales, and the scales are included angles between the plane where the current support body 3 is located and the horizontal plane.

As shown in fig. 2, the scale group 2 includes a first scale 21 and a second scale 22, the first scale 21 and the second scale 22 are arranged in parallel, a line of the same scale of the first scale 21 and the second scale 22 is perpendicular to the direction of the first scale 21 and the direction of the second scale 22, and the gravity measurement device 1 is arranged between the first scale 21 and the second scale 22.

As shown in fig. 3, the gravity measuring apparatus 1 includes a plumb line 11, a plumb line 12, and a balance scale 13, the plumb line 12 is made of a flexible material, one segment of the plumb line 12 is connected to the top end of the frame body 3, the other end of the plumb line is connected to the plumb 11, and the weight of the plumb line 11 is greater than the weight of the plumb line 12. The balance scale 13 is arranged on the plumb line 12 at the same height position as the scale group 2, and the balance scale 13 is of a rod-shaped structure with the plumb line 12 as the midpoint and with the same length symmetrically.

As shown in fig. 4, the frame body 3 includes a first stabilizer bar 31, a second stabilizer bar 32, and a third stabilizer bar 33, one end portion of the first stabilizer bar 31, one end portion of the second stabilizer bar 32, and one end portion of the third stabilizer bar 33 are movably connected to a point, ground fixing devices are disposed at the other end portions of the first stabilizer bar 31, the second stabilizer bar 32, and the third stabilizer bar 33, and one end of the gravity measuring device 1 is disposed at a connection point of the first stabilizer bar 31, the second stabilizer bar 32, and the third stabilizer bar 33.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.

Claims

1. A gradiometer which is characterized in that: the gravity measurement device comprises a gravity measurement device (1), a scale group (2) and a frame body (3), wherein the scale group (2) is arranged inside the frame body (3), one end of the gravity measurement device (1) is connected with the top end of the frame body (3) and is arranged in the scale group (2), the gravity measurement device (1) is used for pointing to the gravity direction, the scale group (2) is provided with scales, and the scales are included angles between the plane where the current frame body (3) is located and the horizontal plane; the staff gauge group (2) comprises a first staff gauge (21) and a second staff gauge (22), the first staff gauge (21) and the second staff gauge (22) are arranged in parallel, the scales of the first staff gauge (21) and the scales of the second staff gauge (22) are the same, the connecting line is perpendicular to the direction of the first staff gauge (21) and the direction of the second staff gauge (22), and the gravity measuring device (1) is arranged between the first staff gauge (21) and the second staff gauge (22).

2. A gradiometer according to claim 1, wherein: gravity survey device (1) includes plumb bob (11) and plumb line (12), plumb line (12) are flexible material, one section of plumb line (12) is connected support body (3) top, the other end is connected plumb bob (11), plumb bob (11) weight is greater than plumb line (12) weight.

3. A gradiometer according to claim 1, wherein: the frame body (3) comprises a first stabilizer bar (31), a second stabilizer bar (32) and a third stabilizer bar (33), one end part of the first stabilizer bar (31), one end part of the second stabilizer bar (32) and one end part of the third stabilizer bar (33) are movably connected to one point, the other end of the first stabilizer bar (31), the other end of the second stabilizer bar (32) and the other end of the third stabilizer bar (33) are both provided with ground fixing devices, and one end of the gravity measuring device (1) is arranged at the connecting point position of the first stabilizer bar (31), the second stabilizer bar (32) and the third stabilizer bar (33).

4. A gradiometer according to claim 2, wherein: gravity survey device (1) still includes balanced scale (13), balanced scale (13) set up on plumb line (12) with equal altitude position of scale group (2), balanced scale (13) are for using plumb line (12) are isometric shaft-like structure of midpoint symmetry.