CN219318056U

CN219318056U - Seismometer well-descending device for geophysical prospecting

Info

Publication number: CN219318056U
Application number: CN202320361396.7U
Authority: CN
Inventors: 孔庆虎; 来永伟; 赵鲁阳; 于鹏程; 李晖; 王博
Original assignee: China National Administration Of Coal Geology First Exploration Bureau Geological Exploration Institute
Current assignee: China National Administration Of Coal Geology First Exploration Bureau Geological Exploration Institute
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-07-07
Anticipated expiration: 2033-03-02

Abstract

The utility model discloses a seismometer well descending device for geophysical prospecting, and particularly relates to the technical field of geophysical prospecting. According to the utility model, the hollow well descending rod is guided by the movable side plates and the spherical rotating blocks, so that the hollow well descending rod is stable in the descending process, the spherical rotating blocks can rotate and descend, the friction resistance of the hollow well descending rod and the seismometer in descending is reduced, the descending speed and efficiency of the seismometer are high, the spherical rotating blocks at the outer ends of the hollow well descending rod are contacted with the well wall, the shaking condition of the hollow well descending rod in descending is avoided, the situation that the seismometer is damaged due to shaking is avoided, the position of the spherical rotating blocks is adjusted by the adjusting mechanism, and the hollow well descending device is suitable for exploration wells with different diameters, and has high applicability and good use effect.

Description

Seismometer well-descending device for geophysical prospecting

Technical Field

The utility model relates to the technical field of geophysical prospecting, in particular to a seismometer well descending device for geophysical prospecting.

Background

The exploration is a geophysical exploration method for deducing the properties and morphology of underground rock formations by observing and analyzing the response of the earth to manually excited seismic waves by utilizing the difference of the elasticity and the density of underground media, the seismic exploration is an important means for surveying petroleum, natural gas resources and solid resource geological prospecting before drilling, and is widely applied in the aspects of coal fields, engineering geological exploration, regional geological research, crust research and the like, and when geophysical exploration is carried out, a seismometer is often required to be installed in a drilled or drilled well hole so as to accurately detect underground conditions, and in the exploration process, the seismometer is generally installed by lifting by adopting a cable.

At present, when the seismometer well descending device for geophysical prospecting is in actual use, shaking easily occurs in the well descending process, friction can occur between the seismometer well descending device and a well wall, the well descending speed and efficiency of the seismometer well descending can be affected, the seismometer is easy to damage in the shaking process, and the use effect is not good enough.

Accordingly, it is desirable to invent a geophysical prospecting seismometer downhole device that addresses the above-described problems.

Disclosure of Invention

The utility model aims to provide a seismometer well descending device for geophysical prospecting, which guides a hollow well descending rod through a movable side plate and a spherical rotating block, so that the hollow well descending rod is stable in the descending process, the spherical rotating block can rotate and descend, the friction resistance of the hollow well descending rod and the seismometer in descending is reduced, the descending speed and efficiency of the seismometer are high, the spherical rotating block at the outer end of the hollow well descending rod is in contact with a well wall, the shaking condition of the hollow well descending rod is avoided, the situation that the seismometer is damaged due to shaking is avoided, the position of the spherical rotating block is adjusted through an adjusting mechanism, the seismometer well descending device is suitable for exploration wells with different diameters, the applicability is high, the use effect is good, and the defects in the technology are overcome.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a geophysical prospecting seismometer device of going into well, includes the base and fixedly establishes the fixed plate on base one side top, fixed plate top one side is fixed to be equipped with the box body, be equipped with hoist mechanism on the box body, the box body bottom is equipped with cavity down the well pole, cavity down the inside fixed baffle that is equipped with of well pole, fixed baffle bottom mounting is equipped with electric putter, electric putter bottom mounting is equipped with the seismometer, cavity down the inside four arc fly boards that are equipped with of well pole, the arc fly boards are established at fixed baffle top, arc fly boards outer end is fixed with two movable side plates, movable side plate one end passes cavity down the well pole and extends to the cavity down the well pole outside, two be equipped with spherical rotating block between the movable side plate one end, spherical rotating block outer end rotates between two movable side plates through two pivots and two movable side plates and is connected, arc fly board inboard is equipped with adjustment mechanism.

Preferably, the hoisting mechanism comprises a first motor fixedly arranged on one side, far away from the box body, of the fixed plate, a first rotating rod is fixedly arranged on an output shaft of the first motor, one end of the first rotating rod penetrates through the fixed plate and extends into the box body, two ends of the first rotating rod are rotatably connected with the fixed plate and one end in the box body through bearings, two limiting plates are fixedly arranged at the outer ends of the first rotating rod, a lifting rope is wound at the outer ends of the first rotating rod between the two limiting plates, and one end of the lifting rope extends to the bottom of the box body and is fixedly connected with the top end of the hollow well descending rod so as to hoist and mount the hollow well descending rod.

Preferably, the adjustment mechanism is including fixedly establishing the second motor on the inside top of cavity down-hole pole, the fixed second dwang that is equipped with of output shaft of second motor, the arc fly leaf inner is equipped with the threaded rod, threaded rod one end pass the arc fly leaf and with arc fly leaf between threaded connection, threaded rod one end is connected with the cavity down-hole pole inner wall in the rotation, second dwang bottom mounting is equipped with first bevel gear, the fixed second bevel gear that is equipped with of threaded rod other end, each intermeshing between first bevel gear and the four second bevel gears, the position of the spherical turning block of being convenient for is adjusted.

Preferably, the seismometer bottom end fixing is provided with a plugging plate, and the diameter of the plugging plate is the same as the inner diameter of the hollow down-hole rod, so that the bottom end of the hollow down-hole rod is conveniently plugged.

Preferably, the four corners of the bottom end of the base are fixedly provided with brake wheels, so that the device can move conveniently.

Preferably, the base top is equipped with two screw thread awls, screw thread awl bottom passes the base and extends to the base bottom, screw thread awl bottom is established between four brake wheels, screw thread awl and base between threaded connection are convenient for fix the device.

Preferably, the top end of the threaded cone is fixedly provided with a rotating handle, so that the threaded cone can be rotated conveniently.

In the technical scheme, the utility model has the technical effects and advantages that:

the hollow well rod is guided through the movable side plates and the spherical rotating block, so that the hollow well rod is stable in the descending process, the spherical rotating block can rotate and descend, the descending speed and efficiency of the hollow well rod are high due to the friction resistance when the hollow well rod and the seismometer descend, the spherical rotating block at the outer end of the hollow well rod is in contact with a well wall, shaking of the hollow well rod during descending is avoided, damage of the seismometer due to shaking is avoided, the position of the spherical rotating block is adjusted through the adjusting mechanism, the hollow well rod is applicable to exploration wells with different diameters, applicability is high, and use effect is good.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the overall perspective cross-sectional structure of the present utility model;

FIG. 3 is a schematic perspective cross-sectional view of a hollow trip rod of the present utility model;

fig. 4 is a schematic perspective view of the arc-shaped movable plate, movable side plate and spherical rotating block of the present utility model.

Reference numerals illustrate:

1. a base; 2. a fixing plate; 3. a case body; 4. a first motor; 5. a first rotating lever; 6. a limiting plate; 7. a hanging rope; 8. a hollow trip rod; 9. a second motor; 10. a second rotating lever; 11. an arc-shaped movable plate; 12. a movable side plate; 13. a spherical rotating block; 14. a rotating shaft; 15. a threaded rod; 16. a first bevel gear; 17. a second bevel gear; 18. fixing the partition board; 19. an electric push rod; 20. a seismometer; 21. a plugging plate; 22. a brake wheel; 23. a thread cone; 24. a rotating handle.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The utility model provides a seismometer well descending device for geophysical prospecting, which is shown in fig. 1-4, and comprises a base 1 and a fixed plate 2 fixedly arranged at the top end of one side of the base 1, wherein a box body 3 is fixedly arranged at one side of the top end of the fixed plate 2, a hoisting mechanism is arranged on the box body 3, a hollow well descending rod 8 is arranged at the bottom of the box body 3, a fixed partition 18 is fixedly arranged in the hollow well descending rod 8, an electric push rod 19 is fixedly arranged at the bottom end of the fixed partition 18, a seismometer 20 is fixedly arranged at the bottom end of the electric push rod 19, a plugging plate 21 is fixedly arranged at the bottom end of the seismometer 20, the diameter of the plugging plate 21 is the same as the inner diameter of the hollow well descending rod 8, four arc-shaped movable plates 11 are arranged in the hollow well descending rod 8, the arc-shaped movable plates 11 are arranged at the top of the fixed partition 18, two movable side plates 12 are fixedly arranged at the outer ends of the arc-shaped movable plates 12, one ends of the movable side plates 12 penetrate through the hollow well descending rod 8 and extend to the outer sides of the hollow well descending rod 8, a spherical rotating block 13 is arranged between one ends of the two movable side plates 12, the outer ends of the spherical rotating block 13 are rotatably connected with the two movable side plates 12 through two rotating shafts 14, and an adjusting mechanism is arranged at the inner sides of the arc-shaped movable plates 11.

The hoisting mechanism comprises a first motor 4 fixedly arranged on one side, far away from the box body 3, of the fixed plate 2, a first rotating rod 5 is fixedly arranged on an output shaft of the first motor 4, one end of the first rotating rod 5 penetrates through the fixed plate 2 and extends into the box body 3, two ends of the first rotating rod 5 are rotatably connected with the fixed plate 2 and one end inside the box body 3 through bearings, two limiting plates 6 are fixedly arranged at the outer end of the first rotating rod 5, a lifting rope 7 is wound on the outer end of the first rotating rod 5 between the two limiting plates 6, and one end of the lifting rope 7 extends to the bottom of the box body 3 and is fixedly connected with the top end of the hollow well descending rod 8.

The adjusting mechanism comprises a second motor 9 fixedly arranged at the top end inside the hollow lower shaft 8, a second rotating rod 10 is fixedly arranged on an output shaft of the second motor 9, a threaded rod 15 is arranged at the inner end of the arc-shaped movable plate 11, one end of the threaded rod 15 penetrates through the arc-shaped movable plate 11 and is in threaded connection with the arc-shaped movable plate 11, one end of the threaded rod 15 is rotationally connected with the inner wall of the hollow lower shaft 8, a first bevel gear 16 is fixedly arranged at the bottom end of the second rotating rod 10, a second bevel gear 17 is fixedly arranged at the other end of the threaded rod 15, and the first bevel gear 16 and the four second bevel gears 17 are mutually meshed.

The four corners of the bottom end of the base 1 are fixedly provided with brake wheels 22, the top end of the base 1 is provided with two thread cones 23, the bottom end of each thread cone 23 penetrates through the base 1 and extends to the bottom of the base 1, the bottom end of each thread cone 23 is arranged between the four brake wheels 22, the thread cones 23 are in threaded connection with the base 1, and the top end of each thread cone 23 is fixedly provided with a rotating handle 24.

The device is moved to a position to be explored, the rotating handle 24 is rotated, the rotating handle 24 drives the threaded cone 23 to rotate, and the threaded cone 23 moves downwards along with the rotation of the threaded cone 23 and the base 1 due to the threaded connection, so that the device can be fixed, the first motor 4 is started, the output shaft of the first motor 4 drives the first rotating rod 5 to rotate, the first rotating rod 5 can release the lifting rope 7, and the hollow down-hole rod 8 can fall into a well hole.

The second motor 9 is started, the output shaft of the second motor 9 drives the second rotating rod 10 to rotate, the second rotating rod 10 drives the first bevel gear 16 to rotate, the first bevel gear 16 drives the plurality of second bevel gears 17 to rotate, the second bevel gear 17 drives the threaded rod 15 to rotate, because the threaded rod 15 is in threaded connection with the arc movable plate 11, the arc movable plate 11 moves inwards or outwards along with the rotation of the threaded rod 15, the arc movable plate 11 drives the movable side plate 12 and the spherical rotating block 13 to move inwards or outwards until the plurality of spherical rotating blocks 13 are in contact with the inner wall of a exploration well, so that the device can be suitable for exploration wells with different diameters, the hollow well rod 8 can rotate along with the descending of the hollow well rod 8, so that the hollow well rod 8 can be guided, when the hollow well rod 8 descends to a designated position, the electric push rod 19 is started, and the electric push rod 19 drives the seismometer 20 and the plugging plate 21 to move downwards, so that the seismometer 20 can move out from the bottom end of the hollow well rod 8 to work.

According to the utility model, the hollow down-hole rod 8 is guided by the movable side plate 12 and the spherical rotating block 13, so that the hollow down-hole rod 8 is relatively stable in the descending process, the spherical rotating block 13 can rotate and descend, the friction resistance of the hollow down-hole rod 8 and the seismometer 20 in the descending process is reduced, the descending speed and efficiency of the seismometer 20 are relatively high, the spherical rotating block 13 at the outer end of the hollow down-hole rod 8 is in contact with a well wall, the shaking condition of the hollow down-hole rod 8 in the descending process is avoided, the situation that the seismometer 20 is damaged due to shaking is avoided, and the position of the spherical rotating block 13 is adjusted by the adjusting mechanism.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a geophysical prospecting seismometer device of going into well, includes base (1) and fixed plate (2) of establishing on base (1) one side top, its characterized in that: the utility model discloses a well rod fixing device, including fixed plate (2), fixed plate (3), hoisting mechanism is equipped with on box (3), box (3) bottom is equipped with cavity down shaft (8), cavity down shaft (8) inside is fixed to be equipped with fixed baffle (18), fixed baffle (18) bottom mounting is equipped with electric putter (19), electric putter (19) bottom mounting is equipped with seismometer (20), cavity down shaft (8) inside is equipped with four arc fly leaf (11), arc fly leaf (11) are established at fixed baffle (18) top, arc fly leaf (11) outer end is fixed to be equipped with two activity curb plates (12), activity curb plate (12) one end is passed cavity down shaft (8) and is extended to the cavity down shaft (8) outside, two be equipped with spherical turning block (13) between activity curb plate (12) one end, the outer end of spherical turning block (13) is through rotating between two pivot (14) and two activity curb plates (12), arc fly leaf (11) inboard is equipped with adjustment mechanism.

2. A geophysical prospecting seismometer downhole device according to claim 1, wherein: the hoisting mechanism comprises a first motor (4) fixedly arranged on one side, far away from the box body (3), of a fixed plate (2), a first rotating rod (5) is fixedly arranged on an output shaft of the first motor (4), one end of the first rotating rod (5) penetrates through the fixed plate (2) and extends to the inside of the box body (3), two ends of the first rotating rod (5) are rotatably connected with the fixed plate (2) and one end inside the box body (3) through bearings, two limiting plates (6) are fixedly arranged at the outer ends of the first rotating rod (5), lifting ropes (7) are wound on the outer ends of the first rotating rod (5) between the two limiting plates (6), and one end of each lifting rope (7) extends to the bottom of the box body (3) and is fixedly connected with the top end of a hollow down-hole rod (8).

3. A geophysical prospecting seismometer downhole device according to claim 1, wherein: the utility model discloses a well rod, including fixed second motor (9) of establishing at inside top of cavity well rod (8), the output shaft of second motor (9) is fixed to be equipped with second dwang (10), arc fly leaf (11) inner is equipped with threaded rod (15), threaded rod (15) one end pass arc fly leaf (11) and with arc fly leaf (11) between threaded connection, threaded rod (15) one end is connected with the rotation between cavity well rod (8) inner wall down, second dwang (10) bottom mounting is equipped with first bevel gear (16), threaded rod (15) other end is fixed to be equipped with second bevel gear (17), each phase intermeshing between first bevel gear (16) and four second bevel gears (17).

4. A geophysical prospecting seismometer downhole device according to claim 1, wherein: the seismometer is characterized in that a plugging plate (21) is fixedly arranged at the bottom end of the seismometer (20), and the diameter of the plugging plate (21) is the same as the inner diameter of the hollow well descending rod (8).

5. A geophysical prospecting seismometer downhole device according to claim 1, wherein: brake wheels (22) are fixedly arranged at four corners of the bottom end of the base (1).

6. A geophysical prospecting seismometer downhole device according to claim 5, wherein: the novel brake device is characterized in that two thread cones (23) are arranged at the top end of the base (1), the bottom ends of the thread cones (23) penetrate through the base (1) and extend to the bottom of the base (1), the bottom ends of the thread cones (23) are arranged among four brake wheels (22), and the thread cones (23) are in threaded connection with the base (1).

7. A geophysical prospecting seismometer downhole device according to claim 6, wherein: the top end of the thread cone (23) is fixedly provided with a rotating handle (24).