CN217897779U

CN217897779U - Casing protection device for well drilling

Info

Publication number: CN217897779U
Application number: CN202222423490.9U
Authority: CN
Inventors: 冯荟锦; 牛逵
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2022-11-25
Anticipated expiration: 2032-09-14

Abstract

The utility model discloses a sleeve pipe protection device that well drilling was used, the female joint comprises a sleeve, the cover of cover external activity cover is equipped with an internal rotation section of thick bamboo, a plurality of screw holes have been seted up to the inner wall of an internal rotation section of thick bamboo, threaded hole internal thread has cup jointed adjusting screw, the screw hole has all been stretched out at adjusting screw's both ends, adjusting screw is close to telescopic one end fixedly connected with slewing mechanism, the adjusting screw is located the outer one end of internal rotation section of thick bamboo and has seted up the dismouting groove, internal rotation section of thick bamboo external activity cover is equipped with an external rotation section of thick bamboo, a plurality of ring channels have all been seted up to the outer wall of an internal rotation section of thick bamboo and external rotation section of thick bamboo's outer wall. The utility model discloses can avoid drilling rod and sleeve to produce direct contact, the effectual drilling sheathed tube wearing and tearing speed that has reduced, the effectual sheathed tube life that has improved the well drilling, and the outer section of thick bamboo that rotates that sets up and ball mutually support and can form another protection mechanism, still can play the guard action when a protection mechanism is impaired.

Description

Casing protection device for well drilling

Technical Field

The utility model relates to a well drilling sleeve pipe protection equipment technical field specifically is a sleeve pipe protection device that well drilling was used.

Background

The well casing is an important component of well drilling equipment, and when the well casing is used, a drill rod rotating at a high speed can rotate relative to the casing, so that the inner wall of the casing can be abraded, and in order to reduce the abrasion speed of the casing, a protection device is additionally arranged in the casing to effectively protect the inner wall of the casing.

The existing well drilling sleeve protection device adopts a single rubber protection sleeve to protect against abrasion, the service life of the protection device is shortened, the protection structure is single, and the protection device can be out of protection when the rubber protection sleeve is damaged in the process of using the sleeve, so that the sleeve is abraded by a drill rod.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sleeve pipe protection device that well drilling was used to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a sleeve pipe protection device that well drilling was used, the female joint comprises a sleeve, the outer movable sleeve of sleeve is equipped with interior rotation cylinder, a plurality of screw holes have been seted up to interior rotation cylinder's inner wall, threaded hole internal thread has cup jointed adjusting screw, the screw hole has all been stretched out at adjusting screw's both ends, adjusting screw is close to telescopic one end fixedly connected with slewing mechanism, adjusting screw is located the outer one end of internal rotation cylinder and has seted up the dismouting groove, the outer movable sleeve of internal rotation cylinder is equipped with exterior rotation cylinder, a plurality of ring channels, two corresponding have all been seted up to interior rotation cylinder's outer wall and exterior rotation cylinder's outer wall be provided with a plurality of balls in the ring channel, a plurality of fixed orificess corresponding with adjusting screw section of thick bamboo wall have been seted up to exterior rotation cylinder's the equal fixedly connected with toper section of thick bamboo in both ends, be connected with a plurality of locking mechanism between toper section of thick bamboo and the sleeve.

In the casing protection device for drilling, the rotating mechanism includes an installation block fixedly connected to the adjusting screw, one side of the installation block, which is away from the adjusting screw, is provided with an installation groove, a universal ball is rotatably installed in the installation groove, the universal ball extends out of the installation groove, and the universal ball is tightly attached to the outer wall of the sleeve.

In the casing protection device for well drilling, the locking mechanism comprises two limiting ring plates fixedly connected to the outer wall of the sleeve, the outer wall of the conical cylinder is provided with a groove, a screw hole is formed in the bottom of the groove, a locking bolt is sleeved in the screw hole, one end, located in the conical cylinder, of the locking bolt is rotatably connected with a U-shaped plate through a bearing, a fixed shaft is fixedly connected between the side walls of the opposite side of the U-shaped plate, a roller is movably sleeved outside the fixed shaft, two guide rods are symmetrically and fixedly connected to the U-shaped plate, two guide cylinders are symmetrically and fixedly connected to the inner wall of the conical cylinder, and the guide rods are movably sleeved in the guide cylinders.

In the casing protection device for drilling, two fixing grooves are symmetrically and fixedly connected to the outer wall of the outer rotating cylinder, fixing columns are fixedly connected to the groove walls of the two fixing grooves, and the diameters of the fixing columns are smaller than those of the fixing grooves.

In the casing protection device for drilling, two cutting knives are symmetrically and fixedly connected to the outer wall of the conical cylinder on the right side, and the knife edge of each cutting knife faces the right direction.

In the casing protection device for drilling, two first indicating blocks are symmetrically and fixedly connected to the outer wall of the inner rotating cylinder, two second indicating blocks are symmetrically and fixedly connected to the inner wall of the outer rotating cylinder, and the first indicating blocks correspond to the second indicating blocks.

In the casing protection device for well drilling, a sealing ring is fixedly connected to the inner wall of the conical cylinder, the sealing ring is made of rubber, and the inner wall of the sealing ring is tightly attached to the outer wall of the sleeve.

In the casing protection device for well drilling, one end of the locking bolt is located in the groove, and one end of the locking bolt located in the groove is fixedly connected with the hexagonal plate, wherein the diameter of the hexagonal plate is larger than the hole diameter of the screw hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a sleeve that sets up, interior rotation section of thick bamboo, the screw hole, adjusting screw, slewing mechanism, the installation piece, the mounting groove, universal ball, the dismouting groove, outer rotation section of thick bamboo, the ring channel, the ball, the fixed orifices, a toper section of thick bamboo and locking mechanism, during the use, install the device on sheathed tube inner wall, make the muffjoint outside the drilling rod, when the drilling rod rotates, drilling rod and sleeve produce the contact, the drilling rod can drive the sleeve and rotate, the slewing mechanism who sets up can make the sleeve rotate for an internal rotation section of thick bamboo, thereby can avoid drilling rod and sleeve to produce direct contact, the effectual sheathed tube rate of wear that has reduced well drilling, the effectual sheathed tube life that has improved well drilling, and the outer rotation section of thick bamboo that sets up and ball mutually support and can form another protection mechanism, still can play the guard action when a protection mechanism is impaired.

2. The utility model discloses a locking mechanism who sets up, during the use, rotates the locking bolt, through the screw-thread fit between locking bolt and the screw, makes the locking bolt remove, because the locking bolt rotates with the U template and is connected, the locking bolt can drive the cylinder and paste tight telescopic outer wall, and the cylinder of setting can rotate, can not obstruct telescopic rotation, and cooperatees through the spacing collar plate that sets up, can be quick assemble protection device, the effectual convenience that improves protection device and assemble.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of portion A of FIG. 1;

FIG. 3 is a schematic structural diagram of portion B of FIG. 1;

fig. 4 is a schematic perspective view of the present invention;

fig. 5 is a side view schematic structure diagram of the present invention;

fig. 6 is a schematic structural view of the present invention;

fig. 7 is an overall schematic view of the present invention;

fig. 8 is a schematic view of the inclined state of the present invention.

In the figure: 1. a sleeve; 2. an inner rotary cylinder; 3. a threaded hole; 4. adjusting the screw rod; 5. a rotating mechanism; 51. mounting blocks; 52. mounting grooves; 53. a ball transfer unit; 6. disassembling and assembling the groove; 7. an outer rotating cylinder; 8. an annular groove; 9. a ball bearing; 10. a fixing hole; 11. a tapered barrel; 12. a locking mechanism; 121. a limit ring plate; 122. a groove; 123. locking the bolt; 124. a U-shaped plate; 125. a fixed shaft; 126. a drum; 127. a guide bar; 128. a guide cylinder; 13. fixing grooves; 14. fixing a column; 15. a cutting knife; 16. a first indication block; 17. a second indication block; 18. a seal ring; 19. a hexagonal plate.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 8, the utility model provides a casing protection device for well drilling, including sleeve 1, sleeve 1 outer movable sleeve is equipped with interior rotating cylinder 2, a plurality of screw holes 3 have been seted up to the inner wall of interior rotating cylinder 2, threaded hole 3 internal thread has cup jointed adjusting screw 4, screw hole 3 has all been stretched out at the both ends of adjusting screw 4, adjusting screw 4 is close to sleeve 1's one end fixedly connected with slewing mechanism 5, adjusting screw 4 is located the outer one end of interior rotating cylinder 2 and has seted up dismouting groove 6, interior rotating cylinder 2 outer movable sleeve is equipped with outer rotating cylinder 7, a plurality of ring channels 8 have all been seted up with outer rotating cylinder 7's outer wall to the outer wall of interior rotating cylinder 2, two are corresponding be provided with a plurality of balls 9 in the ring channel 8, a plurality of fixed orificess 10 corresponding with adjusting screw 4 have been seted up to the section of thick bamboo wall of thick bamboo 7, the equal fixedly connected with toper section of thick bamboo 11 in both ends of interior rotating cylinder 2, be connected with a plurality of locking mechanism 12 between toper section of thick bamboo 11 and 1.

In the above embodiment, during the use, install the device on sheathed tube inner wall, make sleeve 1 cover outside the drilling rod, when the drilling rod rotates, the drilling rod produces the contact with sleeve 1, the drilling rod can drive sleeve 1 and rotate, slewing mechanism 5 who sets up can make sleeve 1 rotate for interior rotary cylinder 2, thereby can avoid drilling rod and sleeve 1 to produce direct contact, the effectual wearing and tearing speed that reduces well drilling sleeve pipe, the effectual sheathed tube life of well drilling has been improved, and the outer rotary cylinder 7 that sets up and ball 9 mutually support and can form another protection machanism, still can play the guard action when a protection machanism is impaired.

The rotating mechanism 5 comprises an installation block 51 fixedly connected to the adjusting screw rod 4, an installation groove 52 is formed in one side, away from the adjusting screw rod 4, of the installation block 51, a universal ball 53 is rotatably installed in the installation groove 52, the universal ball 53 extends out of the installation groove 52, and the universal ball 53 is tightly attached to the outer wall of the sleeve 1.

Locking mechanism 12 includes two stop collar boards 121 of fixed connection on sleeve 1 outer wall, recess 122 has been seted up to the outer wall of a toper section of thick bamboo 11, the screw has been seted up to the tank bottom of recess 122, and the screw internal thread has cup jointed locking bolt 123, the one end that locking bolt 123 is located a toper section of thick bamboo 11 is connected with U template 124 through the bearing rotation, fixedly connected with fixed axle 125 between the lateral wall of the relative one side of U template 124, the outer movable sleeve of fixed axle 125 is equipped with cylinder 126, two guide bars 127 of symmetry fixedly connected with on the U template 124, two guide cylinders 128 of inner wall symmetry fixedly connected with of a toper section of thick bamboo 11, guide bar 127 activity cup joints in guide cylinder 128.

In this embodiment, during the use, rotate locking bolt 123, through the screw-thread fit between locking bolt 123 and the screw, make locking bolt 123 remove, because locking bolt 123 rotates with U template 124 to be connected, locking bolt 123 can drive cylinder 126 and paste the outer wall of tight sleeve 1, and the cylinder 126 of setting can rotate, can not obstruct the rotation of sleeve 1, and cooperatees through the spacing collar board 121 that sets up, can be quick assemble protection device, the effectual convenience that improves protection device and assembles.

The outer wall of the outer rotating cylinder 7 is symmetrically and fixedly connected with two fixing grooves 13, the groove walls of the two fixing grooves 13 are fixedly connected with fixing columns 14, and the diameters of the fixing columns 14 are smaller than those of the fixing grooves 13.

In the above embodiment, the fixing posts 14 and the fixing grooves 13 are engaged with each other, so that the outer rotary drum 7 can be easily detached.

The outer wall of the conical barrel 11 on the right side is symmetrically and fixedly connected with two cutting knives 15, and the knife edges of the cutting knives 15 are towards the right.

In the embodiment, the arranged cutting knife 15 can cut off the sundries entering the interior in time.

Two first indicator blocks 16 of the outer wall symmetry fixedly connected with of interior a section of thick bamboo 2, two second indicator blocks 17 of the inner wall symmetry fixedly connected with of outer a section of thick bamboo 7, first indicator block 16 is corresponding with second indicator block 17, mutually supports through first indicator block 16 and second indicator block 17, contrast fixed orifices 10 and dismouting groove 6 that can be quick.

The inner wall of the conical cylinder 11 is fixedly connected with a sealing ring 18, the sealing ring 18 is made of rubber, and the inner wall of the sealing ring 18 is tightly attached to the outer wall of the sleeve 1.

One end of the locking bolt 123 is located in the groove 122, one end of the locking bolt 123 located in the groove 122 is fixedly connected with a hexagonal plate 19, and the diameter of the hexagonal plate 19 is larger than the aperture of the screw hole.

The working principle is as follows: when the device is used, the device is arranged on the inner wall of a sleeve, the sleeve 1 is sleeved outside a drill rod, when the drill rod rotates, the drill rod is in contact with the sleeve 1, the drill rod can drive the sleeve 1 to rotate, the arranged rotating mechanism 5 can enable the sleeve 1 to rotate relative to the inner rotating cylinder 2, so that the drill rod can be prevented from being in direct contact with the sleeve 1, the abrasion speed of a drilling sleeve is effectively reduced, the service life of the drilling sleeve is effectively prolonged, another protection mechanism can be formed by the mutual matching of the arranged outer rotating cylinder 7 and the balls 9, and when one protection mechanism is damaged, the protection function can be still achieved;

during the use, rotate locking bolt 123, through the screw-thread fit between locking bolt 123 and the screw, make locking bolt 123 remove, because locking bolt 123 rotates with U template 124 to be connected, locking bolt 123 can drive cylinder 126 and paste the outer wall of tight sleeve 1, and the cylinder 126 that sets up can rotate, can not obstruct sleeve 1's rotation, and matches through the spacing collar board 121 that sets up, can be quick assemble protection device, the effectual convenience that improves protection device and assemble.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A casing protection device for drilling comprising a sleeve (1), characterized in that: the outer movable sleeve of sleeve (1) is equipped with interior rotating cylinder (2), a plurality of screw holes (3) have been seted up to the inner wall of interior rotating cylinder (2), adjusting screw (4) female thread cup joints adjusting screw (3), screw hole (3) all stretch out at the both ends of adjusting screw (4), adjusting screw (4) are close to one end fixedly connected with slewing mechanism (5) of sleeve (1), dismouting groove (6) have been seted up to the one end that adjusting screw (4) are located interior rotating cylinder (2) outside, interior rotating cylinder (2) outer movable sleeve is equipped with outer rotating cylinder (7), a plurality of ring channels (8) have all been seted up to the outer wall of interior rotating cylinder (2) and the outer wall of outer rotating cylinder (7), two are corresponding be provided with a plurality of ball (9) in ring channel (8), the section of thick bamboo wall of outer rotating cylinder (7) has been seted up a plurality of fixed orificess (10) corresponding with adjusting screw (4), the equal fixedly connected with toper section of thick bamboo (11) in the both ends of interior rotating cylinder (2), be connected with a plurality of locking mechanism (12) between toper section of thick bamboo (11) and sleeve (1).

2. A well casing protector according to claim 1 in which: slewing mechanism (5) include installation piece (51) of fixed connection on adjusting screw (4), installation piece (51) are kept away from adjusting screw (4) one side and have been seted up mounting groove (52), universal ball (53) are installed to mounting groove (52) internal rotation, universal ball (53) stretch out mounting groove (52), universal ball (53) closely laminate with the outer wall of sleeve (1).

3. A well casing protector according to claim 2 in which: locking mechanism (12) include stop collar board (121) on two fixed connection on sleeve (1) outer wall, the outer wall of a toper section of thick bamboo (11) is seted up flutedly (122), the screw has been seted up to the tank bottom of recess (122), and the screw internal thread has cup jointed locking bolt (123), the one end that locking bolt (123) are located a toper section of thick bamboo (11) is rotated through the bearing and is connected with U template (124), fixedly connected with fixed axle (125) between the lateral wall of one side relatively in U template (124), the movable sleeve is equipped with cylinder (126) outward fixed axle (125), two guide bars (127) of symmetry fixedly connected with are gone up in U template (124), two guide cylinder (128) of inner wall symmetry fixedly connected with of a toper section of thick bamboo (11), guide bar (127) activity cup joints in guide cylinder (128).

4. A well casing protector according to claim 3 in which: the outer wall of the outer rotating cylinder (7) is symmetrically and fixedly connected with two fixing grooves (13), the groove walls of the two fixing grooves (13) are fixedly connected with fixing columns (14), and the diameters of the fixing columns (14) are smaller than those of the fixing grooves (13).

5. A well casing protector according to claim 4 in which: the outer wall of the conical barrel (11) positioned on the right side is symmetrically and fixedly connected with two cutting knives (15), and the knife edges of the cutting knives (15) are arranged rightwards.

6. A well casing protector according to claim 5 wherein: the outer wall symmetry fixedly connected with two first instruction pieces (16) of interior a section of thick bamboo (2) that rotates, the inner wall symmetry fixedly connected with two second instruction pieces (17) of an outer section of thick bamboo (7) that rotates, first instruction piece (16) are corresponding with second instruction piece (17).

7. A well casing protector according to claim 6 in which: the inner wall fixedly connected with sealing washer (18) of a toper section of thick bamboo (11), the material of sealing washer (18) is rubber, the inner wall of sealing washer (18) closely laminates with the outer wall of sleeve (1).

8. A well casing protector according to claim 7 in which: one end of the locking bolt (123) is located in the groove (122), one end of the locking bolt (123) located in the groove (122) is fixedly connected with a hexagonal plate (19), and the diameter of the hexagonal plate (19) is larger than the hole diameter of the screw hole.