CN219012585U

CN219012585U - Protection device for deep well instrument working cabin

Info

Publication number: CN219012585U
Application number: CN202223461705.2U
Authority: CN
Inventors: 刘佳奕; 潘栋彬; 陈飞; 郭小飞; 刘强
Original assignee: Jiangxi University of Science and Technology
Current assignee: Jiangxi University of Science and Technology
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-12
Anticipated expiration: 2032-12-20

Abstract

The utility model relates to the technical field of deep well instrument protection, which aims to solve the problems that a working cabin of a deep well instrument is easy to collapse and collapse to cause abrasion of the cabin wall and inconvenient lifting and placing; the utility model provides a protection device for a deep well instrument working cabin, which comprises: the drill rod comprises a cabin body, a drill rod, a first cylinder sleeve and a second tooth sleeve; the two ends of the drill rod penetrating out of the cabin body are respectively a first penetrating-out part and a second penetrating-out part; the first cylinder sleeve ring is arranged between the outer side wall of the first penetrating part and the top of the cabin; the second tooth sleeve is arranged on the outer side wall of the cabin body in a surrounding mode; one end of the second tooth sleeve, which is far away from the first barrel sleeve, is connected with a rotating assembly. According to the protection device provided by the utility model, the cabin body is protected by the first cylinder sleeve and the second tooth sleeve, and rock blocks around the cabin body are crushed in time, so that the cabin body can be smoothly lowered.

Description

Protection device for deep well instrument working cabin

Technical Field

The utility model relates to the technical field of deep well instrument protection, in particular to a protection device for a deep well instrument working cabin.

Background

With the increase of drilling depth and the increase of logging requirements, a measuring instrument is required to work in a deep well for a long time (3-5 years), and the risk of hole wall collapse and block collapse exists in part of open hole sections in the long-term monitoring process, so that the safety of a working cabin device of the measuring instrument is threatened.

The prior patent (such as the grant publication number CN 213175571U) uses a pilot drill bit and a well reversing drill bit to solve the problem that the lifting and lowering are difficult due to the blocking and collapse of a measuring instrument in a deep well. However, the following problems remain unsolved:

firstly, in the process of lowering an instrument working cabin, rock blocks with unexpected collapse of the wall of a well section outside the working cabin can cause blocking and even damage of the instrument working cabin, and the instrument working cabin cannot be normally lowered;

secondly, after the whole measuring instrument working cabin is placed at the bottom of a hole for a long time, the huge risk of collapse and block falling of the hole wall exists in the well section, the falling rock blocks and the instrument working cabin are worn mutually to damage the outer wall of the instrument working cabin, and the phenomenon of blocking the rock blocks and the instrument working cabin occurs;

however, the inverted drill is located in the upper portion of the instrument working chamber, and cannot protect the instrument working chamber, resulting in damage to the inverted drill during the lifting process, and the measured data cannot be obtained.

Based on the above description, there is an urgent need for a protection device for a deep well instrument working cabin, which can protect the working cabin and facilitate lifting when the hole wall collapses and falls down.

Disclosure of Invention

The utility model aims to provide a protection device for a deep well instrument working cabin, which aims to solve the technical problems that the cabin wall is worn and inconvenient to lift and place due to easy collapse of a collapse block of the deep well instrument working cabin.

The embodiment of the utility model is realized by the following technical scheme:

a protection device for a deep well instrumentation nacelle comprising:

the drill rod comprises a cabin body, a drill rod, a first cylinder sleeve and a second tooth sleeve;

the two ends of the drill rod penetrating out of the cabin body are respectively a first penetrating-out part and a second penetrating-out part;

the first cylinder sleeve ring is arranged between the outer side wall of the first penetrating part and the top of the cabin;

the second tooth sleeve is arranged on the outer side wall of the cabin body in a surrounding mode;

one end of the second tooth sleeve, which is far away from the first barrel sleeve, is connected with a rotating assembly.

The first cylinder sleeve ring is arranged between the outer side wall of the first penetrating part and the top of the cabin body, so that rock blocks falling from collapse of the hole wall are prevented from smashing the top of the cabin body and wearing the cabin wall of the cabin body when the cabin body is lifted up; the second tooth sleeve is arranged on the outer side wall of the cabin body in a surrounding mode, and further rotates through the rotating assembly to crush rock blocks falling on the periphery of the outer side wall of the cabin body, so that the outer wall of the cabin body is protected, the condition that the rock blocks cannot be lifted up or put down due to blocking is avoided, and smooth lowering of the cabin body is achieved.

Preferably, the rotating assembly comprises a motor, a gear set and a connecting piece;

the motor is connected with the gear set;

the gear set is rotationally connected with the second gear sleeve through the connecting piece.

The gear set is rotationally connected with the second gear sleeve through the connecting piece, and is further electrically connected with the gear set through the motor to provide power for the second gear sleeve to rotate the gear set.

Preferably, the gear set includes a large gear and a small gear;

the connecting piece comprises a plurality of bolts and a plurality of bolt grooves;

the pinion is connected with the motor;

the pinion gear is internally meshed with the bull gear;

the outer side wall of the large gear is provided with a plurality of bolts;

a plurality of latch grooves are formed in one end, far away from the first barrel sleeve, of the second tooth sleeve;

the bolt is connected with the bolt groove.

The gear set is connected with the second gear sleeve through the bolt and the bolt groove, and the second gear sleeve is driven to rotate through the engagement of the pinion and the large gear.

Preferably, the second penetrating part of the drill rod is annularly provided with a supporting base; the support base is close to the bottom of the second tooth sleeve.

The gear set can be stably supported through the support base.

Preferably, the end of the first penetrating part far away from the first sleeve is provided with a reverse well drill bit; the end of the second penetrating part far away from the second tooth sleeve is provided with a leading drill bit.

The leading drill bit and the well reversing drill bit are convenient to cooperate with the second tooth sleeve to crush the rock blocks falling around the cabin body, so that the cabin body is convenient to lift and drop.

Preferably, the reverse well drill bit and the leading drill bit are both laid with thorns.

By paving the tooth thorns, the blocked rock blocks can be crushed rapidly, and the cabin body can be lifted or lowered smoothly.

Preferably, the first sleeve comprises a conical ramp.

Through the conical slope, the rock mass at the top of the cabin body is conveniently slid to the second tooth sleeve for crushing, so that the cabin body is prevented from being accumulated and worn and the lifting and the lowering of the cabin body are prevented from being influenced.

The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:

according to the utility model, the cabin body is protected by adopting the first cylinder sleeve and the second tooth sleeve, and the first cylinder sleeve is arranged between the outer side wall of the first penetrating part and the top of the cabin body, so that the top of the cabin body is prevented from being broken by rock blocks falling down from the wall of the hole, and the bulkhead of the cabin body is prevented from being worn by the rock blocks when the cabin body is lifted up; the second tooth sleeve is further arranged on the outer side wall of the cabin body in a surrounding mode through the ring, and the second tooth sleeve is further rotated through the rotating assembly to crush rock blocks falling on the periphery of the outer side wall of the cabin body, so that the outer wall of the cabin body is protected, the condition that the rock blocks are blocked and cannot be lifted up or put down is avoided, and smooth lowering of the cabin body is achieved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of the present utility model;

fig. 2 is a top view taken along line a-a of fig. 1.

Icon: 1-cabin body, 2-drilling rod, 21-first penetrating part, 22-second penetrating part, 3-first barrel casing, 4-second tooth casing, 5-rotating component, 51-motor, 52-gear set, 521-gear wheel, 522-pinion, 53-connecting piece, 531-bolt, 532-bolt groove, 6-support base, 7-back well drill, 8-leading drill, 9-pore wall, 10-cable.

Detailed Description

Example 1

Referring to fig. 1 and 2, the present utility model provides the following technical solutions: the installation and use of the protection device for the deep well instrument working cabin.

The first step: in this embodiment, the first sleeve 3 is combined with the second sleeve 4 and is mounted on the outer side of the cabin body 1, the lower end of the second sleeve 4 is concavely provided with the bolt 531 groove, the bolt 531 groove is matched and connected with the bolts 531 at two ends of the large gear 521, the pinion 522 is further meshed with the large gear 521 correctly, the pinion 522 is electrically connected with the motor 51, and the cabin body 1 is connected with the cable 10, so as to realize the lowering and lifting of the instrument working cabin.

And a second step of: when the cabin body 1 is lowered into the hole wall 9 to realize the lowering operation, under the drive of the motor 51 in a low-speed motion state, the pinion 522 and the large gear 521 are meshed to drive the second gear sleeve 4 to rotate, and the pinion 522 and the large gear 521 are matched with the pilot bit 8 on the drill rod 2 to crush rock blocks falling around the cabin body 1 by sliding down to the second gear sleeve 4 through the first cylinder sleeve 3, so that the outer wall of an instrument working cabin is protected, and the smooth lowering of the measuring instrument working cabin is ensured.

And a third step of: when the cabin body 1 is lifted in the hole wall 9, the pinion 522 and the large gear 521 are meshed to drive the second gear sleeve 4 to rotate under the driving of the motor 51 in a low-speed motion state, and rock blocks falling around the instrument working cabin are crushed through the first barrel sleeve 3 and the second gear sleeve 4 so as to solve the problem that the hole wall 9 collapses and falls into the rock block measuring instrument working cabin, so that the internal measurement data of the instrument working cabin are timely and accurately acquired, and the smooth lifting of the measuring instrument working cabin is ensured.

In this embodiment, a sealing ring is annularly arranged on the portion of the drill rod 2, which is close to the outer wall of the bottom plate of the cabin body 1; the motor 51 is arranged in the cabin body 1, so that electric shock caused by water leakage and water seepage is avoided.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a protection device that deep well instrument working cabin was used, includes cabin body (1) and drilling rod (2), its characterized in that: the novel tooth sleeve also comprises a first barrel sleeve (3) and a second tooth sleeve (4);

the two ends of the drill rod (2) penetrating out of the cabin body (1) are respectively provided with a first penetrating-out part (21) and a second penetrating-out part (22);

the first cylinder sleeve (3) is annularly arranged between the outer side wall of the first penetrating-out part (21) and the top of the cabin (1);

the second tooth sleeve (4) is arranged on the outer side wall of the cabin body (1) in a surrounding mode;

one end of the second tooth sleeve (4) far away from the first barrel sleeve (3) is connected with a rotating assembly (5).

2. The deep well equipment working pod protection device of claim 1, wherein: the rotating assembly (5) comprises a motor (51), a gear set (52) and a connecting piece (53);

the motor (51) is connected with the gear set (52);

the gear set (52) is rotationally connected with the second tooth sleeve (4) through the connecting piece (53).

3. The deep well equipment working pod protection device of claim 2, wherein: the gear set (52) includes a large gear (521) and a small gear (522);

the connector (53) includes a plurality of pins (531) and a plurality of pin slots (532);

the pinion gear (522) is connected to the motor (51);

the pinion (522) is internally toothed with the bull gear (521);

the outer side wall of the large gear (521) is provided with a plurality of bolts (531);

one end of the second tooth sleeve (4) far away from the first barrel sleeve (3) is provided with a plurality of bolt grooves (532);

the latch (531) is connected to the latch slot (532).

4. A deep well instrument pod protection device according to claim 3, wherein: the second penetrating part (22) of the drill rod (2) is annularly provided with a supporting base (6); the supporting base (6) is close to the bottom of the second tooth sleeve (4).

5. A protection device for a deep well equipment working pod according to any one of claims 1 to 4, characterized by: the end of the first penetrating part (21) far away from the first barrel casing (3) is provided with a well reversing drill bit (7); the end of the second penetrating part (22) far away from the second tooth sleeve (4) is provided with a leading drill bit (8).

6. The deep well equipment working pod protection device of claim 5, wherein: the reverse well drill bit (7) and the leading drill bit (8) are both paved with thorns.

7. The deep well equipment working pod protection device of claim 6, wherein: the first sleeve (3) comprises a conical slope.