CN220890085U

CN220890085U - Drilling tool structure

Info

Publication number: CN220890085U
Application number: CN202321358606.3U
Authority: CN
Inventors: 张少鹏; 左金玲; 贾一凡
Original assignee: Sichuan Bristone Energy Technology Co ltd
Current assignee: Sichuan Bristone Energy Technology Co ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2024-05-03
Anticipated expiration: 2033-05-31

Abstract

The utility model discloses a drilling tool structure, which relates to the field of drilling and comprises a frame, a sleeve and pressing plates, wherein the inner wall of the sleeve is rotationally connected with a first rotating rod, the bottom end of the first rotating rod penetrates through the sleeve and is fixedly connected with a drill bit, the rod wall of the first rotating rod is fixedly sleeved with two cams, the outer wall of the sleeve is symmetrically and fixedly connected with a plurality of springs, the other end of each spring is fixedly connected with the corresponding pressing plate, a plurality of telescopic rods are fixedly connected between each pressing plate and the sleeve, one side, close to the two pressing plates, of each pressing plate is fixedly connected with two fixing rods, the other end of each fixing rod penetrates through the sleeve and is matched with the corresponding cam, and each fixing rod movably penetrates through the sleeve. According to the utility model, the two cams respectively act on the corresponding fixed rods through the rotation of the first rotating rod, and each fixed rod respectively drives the corresponding pressing plate to press the well wall, so that the degree of regularity of the well wall is improved.

Description

Drilling tool structure

Technical Field

The utility model relates to the field of drilling, in particular to a drilling tool structure.

Background

Drilling is a work of drilling holes from the ground by using mechanical equipment or manpower, which is called drilling, and generally refers to an engineering of drilling a borehole and a large-diameter water supply well by exploring or developing liquid and gaseous minerals such as petroleum, natural gas and the like, and has very wide application in national economy construction.

Through retrieval, a drilling tool structure with the publication number of CN216043518U comprises a drilling pipe assembly, a directional measuring instrument, a reducing centralizer, a single-bending screw centralizer and a drill bit; the directional measuring instrument is arranged at the bottom end of the drilling pipe assembly, the reducing centralizer is arranged at the bottom end of the directional measuring instrument, the single-bending screw is arranged at the bottom end of the reducing centralizer, the single-bending screw centralizer is arranged at the bottom end of the single-bending screw, and the drill bit is arranged at the bottom end of the single-bending screw centralizer; the directional measuring instrument can measure the track condition of the drilled well in real time, and the reducing centralizer can reduce or enlarge the diameter to adjust the drilling direction of the well.

The existing drilling tool structure can cause soil loosening of the well wall when in use, so that the problem caused by the loosening of the soil is that the drilled well wall is irregular in shape, the labor intensity of subsequently placing pipelines is further increased, and the well wall is likely to collapse when serious.

Disclosure of utility model

The present utility model has been made in view of the above-mentioned problems with the conventional drilling tool construction.

Therefore, the utility model aims to provide a drilling tool structure, which solves the problems that the soil of a well wall is loosened when the drilling tool structure is used, the shape of the drilled well wall is irregular, the labor intensity of subsequently placing pipelines is increased, and the well wall is likely to collapse when serious.

In order to achieve the above object, the present utility model provides the following technical solutions:

The utility model provides a well drilling tool structure, includes frame, sleeve and clamp plate, telescopic inner wall rotates and is connected with first bull stick, the bottom of first bull stick runs through sleeve and fixedly connected with drill bit, two cams have been cup jointed to the pole wall of first bull stick, telescopic outer wall symmetry fixedly connected with a plurality of springs, every the other end of spring all with corresponding clamp plate fixed connection, every equal fixedly connected with a plurality of telescopic links between clamp plate and the sleeve, every the telescopic link all movably cup joints in the inside of corresponding spring, two the clamp plate is close to one side equal fixedly connected with two dead levers, every the other end of dead lever all runs through the sleeve and matches with corresponding cam, every the dead lever all moves about and wears to locate telescopic inside, utilizes two cams and two clamp plates of setting, and first bull stick rotates and makes two cams act on corresponding dead levers respectively, and every dead lever drives the extrusion of corresponding clamp plate wall of a well respectively to improved the rule degree of the wall of a well.

Preferably, the telescopic back fixedly connected with cylinder, the output shaft fixedly connected with push pedal of cylinder, the lateral wall symmetry fixedly connected with two L shape scrapers of push pedal, every L shape scraper blade all matches with the clamp plate that corresponds, utilizes two L shape scrapers that set up, starts cylinder drive push pedal and makes two L shape scrapers act on the surface that corresponds the clamp plate, can scrape out the earth of clamp plate surface accumulation, and then has improved the die casting effect of clamp plate.

Preferably, the lateral wall fixedly connected with first motor of frame, the output shaft of first motor runs through the frame and fixedly connected with second bull stick, the pole wall symmetry of second bull stick has fixedly connected with two receive and releases the wheel, every receive and release all fixedly connected with cable wire between wheel and the sleeve, utilize the cable wire of setting up, the both ends of cable wire respectively with receive and release wheel and sleeve fixed connection, start first motor and then can drive the drill bit and rise and descend.

Preferably, each rod wall of the fixing rod is fixedly sleeved with a limiting block, the limiting block is attached to the side wall of the sleeve when the L-shaped scraping plates act on the convex points of the pressing plates by means of the limiting blocks, and then the pressing plates spring up to attach to the corresponding L-shaped scraping plates under the combined action of the springs, so that the mud scraping effect of the L-shaped scraping plates is improved.

Preferably, the top fixedly connected with second motor of telescopic, the one end of first bull stick runs through the sleeve and with the output shaft fixed connection of second motor, utilizes the second motor that sets up, starts the first bull stick of second motor drive and rotates, and drill bit fixed connection is in the bottom of first bull stick to the normal work of drill bit has been realized.

Preferably, the four corners of the frame are all rotationally connected with the rotating wheels, and the arranged rotating wheels are utilized to facilitate the movement of the device by staff.

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

According to the utility model, the two cams respectively act on the corresponding fixed rods through the rotation of the first rotating rod, and each fixed rod respectively drives the corresponding pressing plate to press the well wall, so that the degree of regularity of the well wall is improved.

According to the utility model, the push plate is driven by the air cylinder, so that the two L-shaped scraping plates act on the surfaces of the corresponding pressing plates, and soil accumulated on the surfaces of the pressing plates can be scraped out, so that the die casting effect of the pressing plates is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent 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 cross-sectional view of the present utility model;

FIG. 2 is a schematic top cross-sectional view of the sleeve of the present utility model;

Fig. 3 is an enlarged schematic view of the portion a of fig. 1 according to the present utility model.

Reference numerals illustrate:

1. A frame; 2. a sleeve; 3. a pressing plate; 4. a first rotating lever; 5. a drill bit; 6. a cam; 7. a spring; 8. a telescopic rod; 9. a fixed rod; 10. a cylinder; 11. a push plate; 12. an L-shaped scraper; 13. a first motor; 14. a second rotating rod; 15. a retractable wheel; 16. a wire rope; 17. a limiting block; 18. a second motor; 19. a rotating wheel.

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 embodiment of the utility model discloses a drilling tool structure.

The utility model provides a drilling tool structure as shown in fig. 1-3, which comprises a frame 1, a sleeve 2 and pressing plates 3, wherein the inner wall of the sleeve 2 is rotationally connected with a first rotating rod 4, the bottom end of the first rotating rod 4 penetrates through the sleeve 2 and is fixedly connected with a drill bit 5, the rod wall of the first rotating rod 4 is fixedly sleeved with two cams 6, the outer wall of the sleeve 2 is symmetrically and fixedly connected with a plurality of springs 7, the other end of each spring 7 is fixedly connected with the corresponding pressing plate 3, a plurality of telescopic rods 8 are fixedly connected between each pressing plate 3 and the sleeve 2, each telescopic rod 8 is movably sleeved in the corresponding springs 7, two fixing rods 9 are fixedly connected to the side, close to the two pressing plates 3, of each fixing rod 9 penetrates through the sleeve 2 and is matched with the corresponding cams 6, each fixing rod 9 is movably sleeved in the sleeve 2, the two cams 6 and the two pressing plates 3 are respectively acted on the corresponding fixing rods 9 by the first rotating rod 4, and each fixing rod 9 respectively drives the corresponding pressing plates 3 to squeeze a well wall, and the regular degree is improved.

In order to improve the die casting effect of the pressing plate 3, as shown in fig. 1-3, the back of the sleeve 2 is fixedly connected with an air cylinder 10, an output shaft of the air cylinder 10 is fixedly connected with a push plate 11, side walls of the push plate 11 are symmetrically and fixedly connected with two L-shaped scraping plates 12, each L-shaped scraping plate 12 is matched with the corresponding pressing plate 3, the two L-shaped scraping plates 12 are utilized, the air cylinder 10 is started to drive the push plate 11 so that the two L-shaped scraping plates 12 act on the surface of the corresponding pressing plate 3, and soil accumulated on the surface of the pressing plate 3 can be scraped out, so that the die casting effect of the pressing plate 3 is improved.

In order to drive the drill bit 5 to ascend and descend, as shown in fig. 1-3, the side wall of the frame 1 is fixedly connected with a first motor 13, an output shaft of the first motor 13 penetrates through the frame 1 and is fixedly connected with a second rotating rod 14, the rod wall of the second rotating rod 14 is symmetrically and fixedly sleeved with two winding and unwinding wheels 15, a steel cable 16 is fixedly connected between each winding and unwinding wheel 15 and the sleeve 2, and two ends of the steel cable 16 are respectively and fixedly connected with the winding and unwinding wheels 15 and the sleeve 2 by means of the arranged steel cable 16, and the first motor 13 is started so that the drill bit 5 can be driven to ascend and descend.

In order to improve the mud scraping effect of the L-shaped scraping plate 12, as shown in fig. 1-3, the rod wall of each fixing rod 9 is fixedly sleeved with a limiting block 17, the limiting block 17 is attached to the side wall of the sleeve 2 when the L-shaped scraping plate 12 acts on the salient points of the pressing plate 3 by using the limiting blocks 17, and then the pressing plate 3 is sprung to attach to the corresponding L-shaped scraping plate 12 under the combined action of the springs 7, so that the mud scraping effect of the L-shaped scraping plate 12 is improved.

In order to ensure the normal operation of the drill bit 5, as shown in fig. 1-3, the second motor 18 is fixedly connected to the top of the sleeve 2, one end of the first rotating rod 4 penetrates through the sleeve 2 and is fixedly connected with the output shaft of the second motor 18, the second motor 18 is started to drive the first rotating rod 4 to rotate, and the drill bit 5 is fixedly connected to the bottom end of the first rotating rod 4, so that the normal operation of the drill bit 5 is realized.

Finally, in order to facilitate the movement of the device by the staff, as shown in fig. 1, the four corners of the frame 1 are all rotationally connected with the rotating wheels 19, and the arranged rotating wheels 19 facilitate the movement of the device by the staff.

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 well drilling tool structure, includes frame (1), sleeve (2) and clamp plate (3), its characterized in that, the inner wall rotation of sleeve (2) is connected with first bull stick (4), the bottom of first bull stick (4) runs through sleeve (2) and fixedly connected with drill bit (5), the fixed two cams (6) that have cup jointed of pole wall of first bull stick (4), the outer wall symmetry fixedly connected with spring (7) of sleeve (2), every the other end of spring (7) all with clamp plate (3) fixed connection that corresponds, every equal fixedly connected with a plurality of telescopic links (8) between clamp plate (3) and sleeve (2), every telescopic link (8) all movably cup joint in the inside that corresponds spring (7), two the equal fixedly connected with two dead levers (9) of one side that clamp plate (3) are close to, every the other end of dead lever (9) all runs through sleeve (2) and matches with corresponding cam (6), every the inside that sleeve (2) all was worn to locate in the activity.

2. A drilling tool structure according to claim 1, characterized in that the back of the sleeve (2) is fixedly connected with a cylinder (10), the output shaft of the cylinder (10) is fixedly connected with a push plate (11), the side wall of the push plate (11) is symmetrically and fixedly connected with two L-shaped scrapers (12), and each L-shaped scraper (12) is matched with a corresponding pressing plate (3).

3. A drilling tool structure according to claim 1, characterized in that the side wall of the frame (1) is fixedly connected with a first motor (13), an output shaft of the first motor (13) penetrates through the frame (1) and is fixedly connected with a second rotating rod (14), two retractable wheels (15) are symmetrically and fixedly sleeved on the rod wall of the second rotating rod (14), and a steel cable (16) is fixedly connected between each retractable wheel (15) and the sleeve (2).

4. A drilling tool arrangement according to claim 1, characterized in that the wall of each of the fixing rods (9) is fixedly sleeved with a stop block (17).

5. A drilling tool structure according to claim 1, characterized in that the top of the sleeve (2) is fixedly connected with a second motor (18), and one end of the first rotating rod (4) penetrates the sleeve (2) and is fixedly connected with the output shaft of the second motor (18).

6. A drilling tool structure according to claim 1, characterized in that the four corners of the frame (1) are each rotatably connected with a wheel (19).