CN214225443U

CN214225443U - Instrument fixing device for magnetic measurement in water area

Info

Publication number: CN214225443U
Application number: CN202120520305.0U
Authority: CN
Inventors: 朱将波
Original assignee: Anhui Institute Of Exploration Technology (energy Exploration Center Of Anhui Geological And Mineral Exploration Bureau)
Current assignee: Anhui Institute Of Exploration Technology (energy Exploration Center Of Anhui Geological And Mineral Exploration Bureau)
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-09-17
Anticipated expiration: 2031-03-12

Abstract

The utility model relates to an instrument fixing device of waters magnetism survey, the device includes: the detection device comprises a bottom plate, a box body and a probe rod; the bottom plate is fixed on the ship body, the box body is fixed on the bottom plate, one end of the probe rod is arranged in the box body and fixed, and the other end of the probe rod is used for being connected with a magnetometer probe. The utility model discloses reduce the human factor influence, improved the stability of magnetometer probe and the precision of north arrow direction to improve the observation data accuracy.

Description

Instrument fixing device for magnetic measurement in water area

Technical Field

The utility model relates to a technical field is surveyed to the geomagnetic field, especially relates to an instrument fixing device of waters magnetism survey.

Background

The ground magnetic exploration is a geophysical method technology for researching the distribution rule of geological structures and mineral resources or other detection objects by observing and analyzing magnetic anomalies caused by magnetic differences of rocks, ores or other detection objects. The magnetic anomaly studied by the method is geomagnetic field distortion caused by the superposition of a magnetic field generated by a detection object on the earth's own magnetic field. The causes of magnetic anomalies depend on the earth's magnetic field and the rock (ore) magnetism, both of which are the physical basis of magnetic exploration. According to statistics, more than 80% of magnetic iron ores in China are discovered or enlarged by providing clues through magnetic measurement, and the magnetic iron ores have obvious effect on searching nonferrous metal minerals, such as the magnetic iron ores play a key role in the process of searching Anhui Tongling skarn type copper ores and the like.

However, in the field magnetic measurement work, large water areas such as rivers, lakes or reservoirs are often encountered, and the area of the large water areas is dozens of or hundreds of square kilometers. Magnetic measurement in a water area is different from the ground, people and equipment have safety risks, the working efficiency is low, and the difficulty in determining the magnetic north direction and keeping the instrument stable is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an instrument fixing device of waters magnetism survey reduces the human factor influence, reduces the safety risk, has promoted the stability of magnetometer probe and the precision of probe north orientation, improves work efficiency, and then improves measured data's accuracy.

In order to achieve the above object, the utility model provides a following scheme:

an instrument fixture for magnetic measurements in a body of water, said apparatus comprising: the detection device comprises a bottom plate, a box body and a probe rod;

the bottom plate is fixed on the ship body, the box body is fixed on the bottom plate, one end of the probe rod is arranged in the box body and fixed, and the other end of the probe rod is used for being connected with a magnetometer probe.

Optionally, the bottom plate is fixed with the ship body through a plate clamp, the plate clamp is of an inverted L shape, and the plate clamp, the bottom plate and the ship body are fixed through bolts.

Optionally, the lower bottom surface of the box is larger than the upper bottom surface.

Optionally, the probe rod and the box body are fixed through bolts.

Optionally, the device still includes the geological compass, the geological compass passes through the pipe strap to be fixed on the probe rod, the fixed position of geological compass is unanimous with the direction that magnetometer probe north-pointing sign was marked.

Optionally, the probe rod is connected with the magnetometer probe through threads.

Optionally, the probe comprises at least one probe section, and the probe sections are connected with each other through threads.

Optionally, the length of the probe rod is 42cm, and the diameter of the probe rod is 2 cm.

According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect:

the utility model discloses a probe rod is fixed to the box, reduces the human factor influence, has improved the stability of magnetometer probe and the precision of probe north orientation to observation data accuracy has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a view of the utility model of an instrument fixing device for magnetic measurement in water area;

description of the symbols: 1-magnetometer probe, 2-probe rod, 3-box, 4-bottom plate, 5-plate clamp, 6-geological compass, 7-fixing screw, 8-threaded connection, 9-hull, 10-cable and 11-probe north-pointing mark.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model aims at providing an instrument fixing device of waters magnetism survey reduces the human factor influence, has improved the stability of magnetometer probe and the precision of north arrow direction, improves the detection data accuracy.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Fig. 1 is the utility model relates to an instrument fixing device of waters magnetism survey, as shown in fig. 1, an instrument fixing device of waters magnetism survey includes: bottom plate 4, box 3, probe rod 2, magnetometer probe 1 and geological compass 6.

The bottom plate 4 is fixed on hull 9, the box 3 is fixed on the bottom plate 4, the one end of probe rod 2 is arranged in the box 3 and fixed, the other end of probe rod 2 is connected with magnetometer probe 1, and magnetometer probe 1 includes probe north-pointing sign 11.

The bottom plate 4 is fixed to the hull 9 by means of plate clips 5, the device comprising at least two plate clips 5. The plate clamp 5 is of an inverted L shape, and the plate clamp 5, the bottom plate 4 and the ship body 9 are fixed through bolts. The plate clamp 5 is 3cm high, 4cm long and 2cm wide and is screwed by bolt torsion.

The lower bottom surface of the box body 3 is larger than the upper bottom surface.

The probe rod 2 and the box body 3 are fixed through a fixing screw 7.

The device also comprises a geological compass 6, and the geological compass 6 is fixed on the probe rod 2 through a pipe clamp. And the distance between the geological compass 6 and the magnetometer probe 1 at the top of the probe rod is kept to be larger than 1 section of probe rod, so that the interference on magnetic measurement is avoided, and the fixed direction of the geological compass 6 is consistent with the direction marked by the magnetometer probe north-pointing mark 11.

The probe rod 2 is connected with the magnetometer probe through threads 8.

The probe rod 2 comprises at least one probe rod section, and the probe rod sections are connected through threads.

The length of the probe rod is 42cm, and the diameter of the probe rod is 2 cm.

The magnetometer probe and the probe rod 2, the geological compass 6 and the probe rod 2, the box body 3 and the bottom plate 4, and the bottom plate 4 and the ship body 9 are detachably connected. The height of the box body 3 is the height of one probe rod section, namely 42 cm. The length of the probe rod 2 is 2 or 3 sections, namely 2 x 42 or 3 x 42 (the probe rod 2 is one section of 42cm, and 3 sections are generally used in construction); geological compass 6 is located below the magnetometer probe.

The magnetometer probe can be a probe of a common magnetometer such as a GSM-19T magnetometer, a G856 magnetometer or an WCZ-3 magnetometer.

The magnetometer probe is connected with the control host computer in a wired mode, and the control host computer is used for recording and storing measurement data, wherein the measurement data comprises the amplitude of the earth geomagnetic field.

In this embodiment, the bottom plate 4, the box body 3, the probe rod 2 and the plate clamp 5 are made of nonmagnetic materials.

In this embodiment, the magnetometer probe is connected with the control host through the cable 10.

The magnetometer probe is used for observing a geomagnetic field, and an arrow indicating the direction is arranged on the magnetometer probe and is required to point to the magnetic north. The geological compass 6 is used for determining the magnetic north direction, the ship body 9 direction and the like; the fixed box body 3 is mainly used for arranging and fixing the probe rod 2 and preventing the probe rod from swinging.

The utility model relates to an instrument fixing device of waters magnetism survey's technological effect as follows:

1. the influence of human factors and the influence of the equipment (such as an interphone and a navigator) carried by the user in the close vicinity on the observation of the magnetic field are reduced.

The utility model discloses a device can fix the one end of settling at the ship, and after fixing probe magnetic north direction through the compass, the observer can keep the certain distance, need not closely operate magnetometer probe and probe rod, reduces the influence of human factor, has promoted the stability of magnetometer probe and the precision of probe north orientation, improves work efficiency, and then improves measured data's accuracy.

2. In the prior art, the magnetic north direction is roughly judged by manual operation, and the precision is low. The utility model discloses a fix the geological compass on the probe rod, improved the directional accuracy of probe, can obtain the biggest magnetic field gain, improve the observation data accuracy.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. An instrument fixture for magnetic measurements in a body of water, said apparatus comprising: the detection device comprises a bottom plate, a box body and a probe rod;

2. The apparatus for fixing magnetic instrument in water area of claim 1, wherein said bottom plate is fixed to said hull by a plate clip, said plate clip is of inverted L shape, and said plate clip, said bottom plate and said hull are fixed by bolts.

3. An instrument holder for magnetic measurements in a body of water as claimed in claim 1 wherein said housing has a lower bottom surface larger than an upper bottom surface.

4. The apparatus for fixing instrument in water magnetic survey as claimed in claim 1, wherein the probe is fixed to the case by a bolt.

5. The apparatus for fixing instrument in water magnetic survey as claimed in claim 1, further comprising a geological compass fixed on the probe rod by a pipe strap, wherein the fixed orientation of the geological compass is consistent with the direction marked by north-pointing sign of the magnetometer probe.

6. The apparatus for fixing instrument in water magnetic survey as claimed in claim 1, wherein the probe is connected with the magnetometer probe by screw thread.

7. The apparatus for holding instruments for magnetic surveying in a body of water of claim 1 wherein said probe comprises at least one probe segment, said probe segments being threadably connected to each other.

8. The apparatus fixture for magnetic measurements in water area of claim 1 wherein said probe has a length of 42cm and a diameter of 2 cm.