CN210894732U

CN210894732U - Probe combination device for ground magnetic gradient measurement

Info

Publication number: CN210894732U
Application number: CN201921803637.9U
Authority: CN
Inventors: 杨悦
Original assignee: China Earth Construction Beijing Engineering Testing Co ltd
Current assignee: China Earth Construction Beijing Engineering Testing Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-06-30
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a probe composite set for ground magnetic gradient measurement, the on-line screen storage device comprises a base, the upper end welding of base has the mobile jib, the lateral wall of mobile jib has lower probe through the bolt fastening, the rotary groove has been seted up to the upper end of mobile jib, the interior bottom of rotary groove rotates and is connected with the commentaries on classics board, the upper end of commentaries on classics board is connected with the lifter through elevation structure, the circumference lateral wall of lifter has last probe through the bolt fastening, the lateral wall of commentaries on classics board is equipped with stop gear, elevation structure includes rotates the commentaries on classics piece of being connected through bearing and commentaries on classics board upper end. In this device, through extracting the gag lever post cancellation to changeing the spacing of board, rotate again and change the board and make the lifter rotate to the level for in the probe is in same horizontal plane with lower probe, support spacing messenger's probe and keep with lower probe same height to the inboard bottom of changeing the groove, and then realize not needing to remove whole device and carry out the multiple spot measurement to horizontal gradient's measurement process.

Description

Probe combination device for ground magnetic gradient measurement

Technical Field

The utility model relates to a magnetic gradient measures technical field, especially relates to a probe composite set for ground magnetic gradient measures.

Background

The measurement of the change rate of the magnetic field in the space is called magnetic field gradient measurement, and the measurement is applied in production practice by vertical gradient measurement and horizontal gradient measurement; the receiving part of the vertical gradient measurement is two vertically arranged probes; the receiving part of the horizontal gradient measurement is two probes horizontally placed.

At present, two probes are arranged longitudinally to collect vertical gradient data, and horizontal gradient data are collected by adopting a mode of transverse displacement multiple measurements; however, the manual labor in the measurement process is increased due to the multi-point measurement, and the measurement process has large human errors due to the repeated fixed installation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of inconvenient measurement in the prior art, and providing a probe combination device for ground magnetic gradient measurement.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a probe composite set for ground magnetic gradient measurement, includes the base, the upper end welding of base has the mobile jib, the lateral wall of mobile jib has lower probe through the bolt fastening, the rotary groove has been seted up to the upper end of mobile jib, the interior bottom of rotary groove rotates and is connected with the commentaries on classics board, the upper end of commentaries on classics board is connected with the lifter through elevation structure, the circumference lateral wall of lifter has last probe through the bolt fastening, the lateral wall of commentaries on classics board is equipped with stop gear.

Preferably, elevation structure includes the commentaries on classics piece of being connected with commentaries on classics board upper end rotation through the bearing, the upper end welding of commentaries on classics piece has the pivot.

Preferably, the bottom of the lifting rod is provided with a lifting groove, and the rotating shaft is in threaded connection with the inner wall of the lifting groove.

Preferably, stop gear includes the gag lever post, the lateral wall of commentaries on classics board runs through and has seted up the draw-in groove, the inner wall sliding connection of gag lever post and draw-in groove, the both ends of gag lever post run through sliding connection with the both sides inner wall in commentaries on classics groove respectively.

Preferably, the upper probe is positioned right above the lower probe, the limiting rod is made of metal materials, and the side wall of the limiting rod is wrapped by an anti-skid sleeve made of elastic rubber materials

Preferably, a plurality of brackets are welded at the bottom of the base, and the brackets are made of metal materials and have a pointed cone shape at one end far away from the base.

Compared with the prior art, the utility model has the advantages of:

1. among this device, through extracting the gag lever post cancellation to changeing the spacing of board, it makes the lifter rotate to the level to rotate commentaries on classics board again, make the top probe be in same horizontal plane with lower probe, support spacing messenger top probe that makes of the interior bottom of revolving groove to changeing the board and keep with lower probe same height, and then realize the measurement process to horizontal gradient, need not remove whole device and carry out the multiple spot measurement, eliminate the human error of moving the in-process when can improving measurement efficiency, and then improve holistic measurement accuracy.

2. In this device, spacing through the limiting plate to changeing the board makes the lifter be in vertical state, and then makes the upper probe be in same vertical face with lower probe, realizes the measurement process to vertical gradient to change the piece through rotating and make the height of lifter adjust, and then make the interval of upper probe and lower probe conveniently adjust, and then can realize the measurement of many intervals, can eliminate the artificial measuring error of measurement process.

Drawings

Fig. 1 is a schematic structural diagram of a probe assembly device for ground magnetic gradient measurement according to the present invention.

Fig. 2 is a right side schematic structural view of a probe assembly for ground magnetic gradient measurement according to the present invention.

In the figure: the device comprises a base 1, a main rod 2, a lower probe 3, a rotary groove 4, a rotary plate 5, a rotary block 6, a rotary shaft 7, a lifting rod 8, a lifting groove 9, an upper probe 10, a clamping groove 11, a limiting rod 12 and a bracket 13.

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.

Referring to fig. 1-2, a probe composite set for ground magnetic gradient measurement, including base 1, the upper end welding of base 1 has mobile jib 2, the lateral wall of mobile jib 2 has lower probe 3 through the bolt fastening, the turn trough 4 has been seted up to the upper end of mobile jib 2, the interior bottom of turn trough 4 rotates and is connected with commentaries on classics board 5, commentaries on classics board 5 is rotating ninety degrees after, the lateral wall of commentaries on classics board 5 will offset with turn trough 4, and then make the lateral wall of commentaries on classics board 5 be the horizontality, the interior bottom of turn trough 4 plays a good supporting role to changeing board 5 simultaneously, the upper end of changeing board 5 is connected with lifter 8 through elevation structure, the circumference lateral wall of lifter 8 has upper probe 10 through the bolt fastening, the lateral wall of changeing board 5 is equipped with stop.

The lifting structure comprises a rotating block 6 which is rotatably connected with the upper end of the rotating plate 5 through a bearing, and a rotating shaft 7 is welded at the upper end of the rotating block 6; lifting groove 9 has been seted up to lifter 8's bottom, lifting groove 9's inside is provided with the screw thread, pivot 7 is the threaded rod, pivot 7 and 9 inner wall threaded connection in lifting groove, rotate spacing back to lifter 8, it will make lifter 8 shift up under the thrust effect to rotate behind the pivot 7, and then realize the regulation to last probe 10 height, just also realized the adjustment to interval between last probe 10 and the lower probe 3, make things convenient for perpendicular measurement process's a lot of multiple spot position measurement, avoid accidental error's appearance, guarantee measurement accuracy.

Stop gear includes gag lever post 12, the lateral wall of commentaries on classics board 5 runs through and has seted up draw-in groove 11, the inner wall sliding connection of gag lever post 12 and draw-in groove 11, the both ends of gag lever post 12 run through sliding connection with the both sides inner wall of commentaries on classics groove 4 respectively, it is directly over to go up probe 10 and be located lower probe 3, guarantee that the two is in same vertical plane, guarantee measurement accuracy, gag lever post 12 is made for metal material and the lateral wall parcel has the antiskid cover that elastic rubber material made, insert draw-in groove 11 and gag lever post 12 runs through commentaries on classics groove 4 inner wall through gag lever post 12, it is spacing to make commentaries on classics board 5 by gag lever post 12, make commentaries on classics board 5 be in vertical state and then guarantee the degree of accuracy of vertical gradient measurement, and can reduce the clearance of gag.

The welding of base 1's bottom has a plurality of supports 13, and support 13 uses metal material to support and the one end of keeping away from base 1 to be the taper shape, through inserting support 13 in the ground soil for placing of base 1 is more steady, and then guarantees that measurement process's stability goes on.

When carrying out the gradient measurement, at first place base 1 in the system position, then insert support 13 in the soil, the realization is placed whole device stably, then rotate commentaries on classics piece 6 and make it drive pivot 7 synchronous rotation, hand lifter 8 rotates spacingly to it simultaneously, make lifter 8 continuous shifting up when pivot 7 rotates, make lifter 8 go up the last probe 10 position of lateral wall rise, start the probe and carry out the gradient measurement work of vertical direction when last probe 10 reaches the requirement with lower probe 3 interval, and the height of probe 10 is gone up in the accessible adjustment many times, change the interval between probe 10 and the lower probe 3 and realize the measurement of many times different intervals, and then eliminate the measuring error that the single measurement formed.

When carrying out horizontal gradient measurement, can extract gag lever post 12, make it break away from draw-in groove 11, and then make commentaries on classics board 5 no longer receive spacingly, commentaries on classics board 5 under this state can drive commentaries on classics piece 6 and rotate in step, then will change board 5 and rotate ninety degrees, make the lateral wall of commentaries on classics board 5 offset with the interior bottom of transfer tank 4, and then make pivot 7 be in the horizontality, and then make upper probe 10 and lower probe 3 be in on the same as the horizontal plane, and then accessible start probe realizes the measurement work to horizontal gradient, same accessible rotates commentaries on classics piece 6 and realizes the adjustment to

upper probe

10 and 3 interval sizes of lower probe, and then realize the measurement of many intervals multiple point positions in order to eliminate measuring error.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a probe composite set for ground magnetic gradient measurement, includes base (1), its characterized in that, the upper end welding of base (1) has mobile jib (2), the lateral wall of mobile jib (2) has lower probe (3) through the bolt fastening, rotary tank (4) have been seted up to the upper end of mobile jib (2), the interior bottom rotation of rotary tank (4) is connected with commentaries on classics board (5), the upper end of changeing board (5) is connected with lifter (8) through elevation structure, the circumference lateral wall of lifter (8) has last probe (10) through the bolt fastening, the lateral wall of changeing board (5) is equipped with stop gear.

2. The probe combination device for the ground magnetic gradient measurement according to claim 1, wherein the lifting structure comprises a rotating block (6) rotatably connected with the upper end of the rotating plate (5) through a bearing, and a rotating shaft (7) is welded on the upper end of the rotating block (6).

3. The probe combination device for the ground magnetic gradient measurement according to claim 2, wherein the bottom of the lifting rod (8) is provided with a lifting groove (9), and the rotating shaft (7) is in threaded connection with the inner wall of the lifting groove (9).

4. The probe combination device for the ground magnetic gradient measurement according to claim 1, wherein the limiting mechanism comprises a limiting rod (12), a clamping groove (11) is formed in the side wall of the rotating plate (5) in a penetrating manner, the limiting rod (12) is connected with the inner wall of the clamping groove (11) in a sliding manner, and two ends of the limiting rod (12) are respectively connected with the inner walls of two sides of the rotating groove (4) in a penetrating manner in a sliding manner.

5. The probe combination device for the ground magnetic gradient measurement according to claim 4, wherein the upper probe (10) is located right above the lower probe (3), the limiting rod (12) is made of metal materials, and the side wall of the limiting rod is wrapped with an anti-slip sleeve made of elastic rubber materials.

6. The probe combination device for the ground magnetic gradient measurement according to claim 1, characterized in that a plurality of brackets (13) are welded to the bottom of the base (1), and the brackets (13) are made of metal material and have a pointed cone shape at one end far away from the base (1).