CN216748113U

CN216748113U - Underground detector for geophysical exploration

Info

Publication number: CN216748113U
Application number: CN202220226551.XU
Authority: CN
Inventors: 王宗涛; 吴记军; 董亚; 黄宝田; 黄飞龙; 王大鹏; 宋卫文; 常二雄
Original assignee: Anhui Huizhou Geology Security Institute Co ltd
Current assignee: Anhui Huizhou Geology Security Institute Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-06-14
Anticipated expiration: 2032-01-27

Abstract

The utility model provides an underground detector for geophysical exploration. The downhole geophone for geophysical exploration comprises a joint housing; the detector body is arranged at the bottom of the connecting shell; the probe body is arranged at the bottom of the geophone body; a connector lug disposed at a top of the splice housing; the two vertical plates are fixedly arranged on one side of the connecting shell; the two movable supporting mechanisms are arranged on the connecting shell; the four active lifting mechanisms are respectively arranged on the two movable supporting mechanisms; and the two power mechanisms are respectively arranged on the two movable supporting mechanisms. The underground detector for geophysical exploration, provided by the utility model, has the advantages of capability of flexibly adjusting the exploration depth, time and labor saving and simplicity in operation.

Description

Underground detector for geophysical exploration

Technical Field

The utility model relates to the technical field related to geophysical exploration, in particular to an underground detector for geophysical exploration.

Background

In the geophysical exploration process, a downhole detector is required to be used and placed in a deep well for detection, with the development of science and technology, the types of downhole detectors are more and more, but the current downhole detector for geophysical exploration still has many defects. In a general underground detector for geophysical exploration, a probe easily collides with a well wall in the process of being placed into a deep well to cause damage, and the underground detector is inconvenient to fix with the well wall, so that the detector shakes to influence detection data.

Through the retrieval, the utility model discloses a geophysical prospecting is with detector in pit convenient to anticollision that CN214409331U discloses, its structure includes detector body, probe body, line connection and diaphragm, the lower extreme fixedly connected with probe body of detector body, and the upper end fixed mounting of detector body links up the shell, the upper end fixed connection wired joint of linking up the shell, and set up in the inner wall that links up the shell and link up the groove, the inside fixed mounting of well side that links up the shell has the diaphragm, and links up the upper portion rear side wall fixedly connected with motor of shell, the output fixed mounting of motor has the linking wheel, and the front end that links up the wheel is connected with the belt, the lower part rear side wall that links up the shell rotates and is connected with the bracing piece. Although the device can prevent the probe from colliding with the well wall in the process of putting into the deep well, the damage is avoided, the device is convenient to fix with the well wall, the detector is prevented from shaking, and the detection data are prevented from being influenced.

However, in the process of putting the device into the deep well, an electric winch or manpower is needed to put the device down or pull the device up, and in the process of putting the device down or pulling the device up, a large friction force may exist between the bump and the well wall, so that the process of putting the device down or pulling the device up is time-consuming and labor-consuming; meanwhile, the device is not convenient for flexibly adjusting the exploration depth in the deep well.

Therefore, there is a need to provide a downhole geophone for geophysical exploration which solves the above mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model solves the technical problem of providing the underground detector for geophysical exploration, which can flexibly adjust the exploration depth, is time-saving and labor-saving and has simple operation.

In order to solve the above technical problems, the present invention provides a downhole geophone for geophysical prospecting comprising: a connecting shell; the detector body is arranged at the bottom of the connecting shell; the probe body is arranged at the bottom of the geophone body; a connector lug disposed at a top of the splice housing; the two vertical plates are fixedly arranged on two sides of the connecting shell; the four driving lifting mechanisms are used for driving the connecting shell to move up and down; the two movable supporting mechanisms are arranged on the connecting shell and are used for supporting four driving lifting mechanisms; the two power mechanisms are respectively arranged on the two movable supporting mechanisms and used for driving the movable supporting mechanisms.

Preferably, the movable supporting mechanism comprises a servo motor, a screw rod, a limiting rod, an L-shaped sliding plate and a side plate, the servo motor is fixedly installed on a vertical plate, the screw rod is fixedly installed on an output shaft of the servo motor and is rotatably connected with another vertical plate, the limiting rod is fixedly installed between the two vertical plates and is located below the screw rod, a vertical section of the L-shaped sliding plate is sleeved on the screw rod in a threaded manner, a vertical section of the L-shaped sliding plate is slidably connected with the limiting rod, and the side plate is fixedly installed at one end, extending out of the linking shell, of a horizontal section of the L-shaped sliding plate.

Preferably, two limiting plates are fixedly mounted on the two side plates.

Preferably, initiative elevating system includes transmission shaft, pivot, antiskid wheel, drive bevel gear and driven bevel gear, the transmission shaft rotates to be installed on the limiting plate, the pivot is rotated and is installed on the curb plate, the fixed cover of antiskid wheel is established in the pivot, drive bevel gear fixed mounting be in the one end of transmission shaft, the fixed cover of driven bevel gear is established in the pivot, drive bevel gear with driven bevel gear meshes mutually.

Preferably, power unit includes step motor, initiative synchronizing wheel and two driven synchronizing wheels, step motor fixed mounting just link up one side of shell in the curb plate, the fixed cover of initiative synchronizing wheel is established on step motor's the output shaft, two driven synchronizing wheels are fixed respectively to be established on initiative elevating system's the transmission shaft that corresponds, and the initiative synchronizing wheel is connected through synchronous belt drive respectively with two driven synchronizing wheels.

Preferably, a plurality of anti-skid protrusions are arranged on the anti-skid wheels.

Compared with the related art, the underground detector for geophysical exploration provided by the utility model has the following beneficial effects:

the utility model provides an underground detector for geophysical exploration, which can carry out exploration work through a detector body and a probe body, can adjust the distance between four anti-skid wheels through two movable supporting mechanisms, so that the device can be fixed on a well wall, can be placed into a deep well or lifted out of the deep well through four active lifting mechanisms in a time-saving and labor-saving manner through four active lifting mechanisms, so that the device can flexibly adjust the exploration depth, can drive four transmission shafts to synchronously rotate through two power mechanisms, and can be more firmly fixed on the well wall through a plurality of anti-skid protrusions.

Drawings

FIG. 1 is a schematic diagram of a preferred embodiment of a downhole geophone for geophysical prospecting in accordance with the present invention;

FIG. 2 is an enlarged view of portion A shown in FIG. 1;

fig. 3 is an enlarged schematic view of a portion B shown in fig. 1.

Reference numbers in the figures: 1. a connecting shell; 2. a detector body; 3. a probe body; 4. a connector lug; 5. erecting the plate; 6. a servo motor; 7. a screw; 8. a limiting rod; 9. an L-shaped sliding plate; 10. a side plate; 11. a limiting plate; 12. a drive shaft; 13. a rotating shaft; 14. anti-skid wheels; 15. a drive bevel gear; 16. a driven bevel gear; 17. a stepping motor; 18. a driving synchronizing wheel; 19. a driven synchronizing wheel.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

Referring to fig. 1-3, fig. 1 is a schematic structural diagram of a downhole detector for geophysical prospecting according to a preferred embodiment of the present invention; FIG. 2 is an enlarged view of portion A shown in FIG. 1; fig. 3 is an enlarged schematic view of a portion B shown in fig. 1. A downhole geophone for geophysical exploration, comprising: a connecting shell 1; the detector body 2 is arranged at the bottom of the connecting shell 1; the detector comprises a probe body 3, wherein the probe body 3 is arranged at the bottom of the detector body 2; a terminal lug 4, the terminal lug 4 being disposed on top of the splice case 1; the two vertical plates 5 are fixedly arranged on two sides of the connecting shell 1; the four driving lifting mechanisms are used for driving the connecting shell to move up and down; the two movable supporting mechanisms are both arranged on the connecting shell 1 and are used for supporting four driving lifting mechanisms; the two power mechanisms are respectively arranged on the two movable supporting mechanisms and used for driving the movable supporting mechanisms.

The movable supporting mechanism comprises a servo motor 6, a screw rod 7, a limiting rod 8, an L-shaped sliding plate 9 and a side plate 10, the servo motor 6 is fixedly installed on one vertical plate 5, the screw rod 7 is fixedly installed on an output shaft of the servo motor 6, the screw rod 7 is rotatably connected with the other vertical plate 5, the limiting rod 8 is fixedly installed between the two vertical plates 5 and located below the screw rod, a vertical section of the L-shaped sliding plate 9 is sleeved on the screw rod 7 in a threaded mode, a vertical section of the L-shaped sliding plate 9 is slidably connected with the limiting rod 8, the side plate 10 is fixedly installed at one end, extending out of a connecting shell, of a horizontal section of the L-shaped sliding plate 9, and the distance between the four anti-skidding wheels 14 can be adjusted through the two movable supporting mechanisms, so that the device can be fixed on a well wall.

Two limiting plates 11 are fixedly mounted on the two side plates 10. The two limiting plates on each side plate are each oriented toward the adapter shell, that is to say the four limiting plates on the two side plates 10 are distributed symmetrically with respect to the adapter shell.

The driving lifting mechanism comprises a transmission shaft 12, a rotating shaft 13, an anti-skidding wheel 14, a driving bevel gear 15 and a driven bevel gear 16, wherein the transmission shaft 12 is rotatably installed on the limiting plate 11, the rotating shaft 13 is rotatably installed on the side plate 10, the anti-skidding wheel 14 is fixedly sleeved on the rotating shaft 13, the driving bevel gear 15 is fixedly installed at one end of the transmission shaft 12, the driven bevel gear 16 is fixedly sleeved on the rotating shaft 13, the driving bevel gear 15 is meshed with the driven bevel gear 16, the device can be placed into a deep well or lifted out of the deep well through the four driving lifting mechanisms in a time-saving and labor-saving mode, and therefore the device can be adjusted flexibly in the investigation depth.

Power unit includes step motor 17, initiative synchronizing wheel 18 and two driven synchronizing wheels 19, step motor 17 fixed mounting be in curb plate 10 is just to linking up one side of shell, the fixed cover of initiative synchronizing wheel 18 is established on step motor 17's the output shaft, two driven synchronizing wheels 19 are fixed the cover respectively and are established on initiative elevating system's the transmission shaft 12 that corresponds, and initiative synchronizing wheel 18 is connected through synchronous belt drive respectively with two driven synchronizing wheels 19, can drive four transmission shaft 12 synchronous rotations through two power unit.

The anti-skid wheels 14 are provided with a plurality of anti-skid protrusions, and the device can be more firmly fixed on the well wall through the plurality of anti-skid protrusions.

The working principle of the underground detector for geophysical exploration provided by the utility model is as follows:

when the device is used, the distance between the four anti-skid wheels 14 is adjusted according to the inner diameter of a well wall, the two servo motors 6 are started, the two servo motors 6 drive the two screw rods 7 to rotate, the two screw rods 7 rotate to drive the two L-shaped sliding plates 9 to be close to or far away from each other, the two L-shaped sliding plates 9 drive the two side plates 10 to be close to or far away from each other to adjust the distance between the four anti-skid wheels 14, the device is placed into a deep well after adjustment is completed, then the distance between the four anti-skid wheels 14 is adjusted again through the two movable supporting mechanisms, and the device is clamped between the well walls while the four anti-skid wheels 14 are in contact with the well wall;

need adjust the reconnaissance degree of depth and make, start two step motor 17, two step motor 17 drive four driven synchronizing wheel 19 through four initiative synchronizing wheel 18 and four hold-in ranges and rotate, further drive four transmission shafts 12 through four driven synchronizing wheel 19 and rotate, four transmission shafts 12 drive four driven bevel gear 16 through four initiative bevel gear 15 and rotate, four driven bevel gear 16 drive four pivots 13 and rotate, four pivots 13 drive four antiskid wheel 14 and rotate, it can put into the deep well with the device or make the device rise out the deep well to walk on the wall of a well through four antiskid wheel 14, thereby carry out nimble adjustment to the reconnaissance degree of depth of the device, carry out reconnaissance work through wave detector body 2 and probe body 3 after the adjustment is accomplished.

the utility model provides an underground detector for geophysical exploration, which can carry out exploration work through a detector body 2 and a probe body 3, can adjust the distance between four anti-skid wheels 14 through two movable supporting mechanisms, so that the device can be fixed on a well wall, can be placed into a deep well or lifted out of the deep well in a time-saving and labor-saving manner through four active lifting mechanisms, so that the device can flexibly adjust the exploration depth, can drive four transmission shafts 12 to synchronously rotate through two power mechanisms, and can be more firmly fixed on the well wall through a plurality of anti-skid protrusions.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A downhole geophone for geophysical exploration, comprising:

a connecting shell;

the detector body is arranged at the bottom of the connecting shell;

the detector comprises a detector body, a probe body and a probe cover, wherein the probe body is arranged at the bottom of the detector body;

a connector lug disposed at a top of the splice housing;

the two vertical plates are fixedly arranged on two sides of the connecting shell;

the four driving lifting mechanisms are used for driving the connecting shell to move up and down;

the two movable supporting mechanisms are arranged on the connecting shell and are used for supporting four driving lifting mechanisms;

the two power mechanisms are respectively arranged on the two movable supporting mechanisms and used for driving the movable supporting mechanisms.

2. The geophysical survey downhole geophone of claim 1, wherein the movable support mechanism comprises a servo motor, a screw, a limiting rod, an L-shaped sliding plate and a side plate, the servo motor is fixedly mounted on one vertical plate, the screw is fixedly mounted on an output shaft of the servo motor, the screw is rotatably connected with the other vertical plate, the limiting rod is fixedly mounted between the two vertical plates and located below the screw, a vertical section of the L-shaped sliding plate is sleeved on the screw in a threaded manner, a vertical section of the L-shaped sliding plate is slidably connected with the limiting rod, and the side plate is fixedly mounted at one end, extending out of the joint shell, of a horizontal section of the L-shaped sliding plate.

3. The geophysical survey downhole geophone of claim 2, wherein each of said two side plates has two fixed stop plates mounted thereon.

4. The geophysical survey downhole geophone of claim 3, wherein the driving lifting mechanism comprises a transmission shaft, a rotating shaft, anti-slip wheels, a driving bevel gear and a driven bevel gear, the transmission shaft is rotatably mounted on the limiting plate, the rotating shaft is rotatably mounted on the side plate, the anti-slip wheels are fixedly sleeved on the rotating shaft, the driving bevel gear is fixedly mounted at one end of the transmission shaft, the driven bevel gear is fixedly sleeved on the rotating shaft, and the driving bevel gear is meshed with the driven bevel gear.

5. The geophysical survey downhole geophone of claim 4, wherein the power mechanism comprises a stepping motor, a driving synchronizing wheel and two driven synchronizing wheels, the stepping motor is fixedly installed on one side of the side plate opposite to the connecting shell, the driving synchronizing wheel is fixedly sleeved on an output shaft of the stepping motor, the two driven synchronizing wheels are respectively fixedly sleeved on corresponding transmission shafts of the driving lifting mechanism, and the driving synchronizing wheel and the two driven synchronizing wheels are respectively connected through synchronous belt transmission.

6. The geophysical survey downhole geophone of claim 4, wherein said skid-resistant wheel is provided with a plurality of skid-resistant protrusions.