CN217106869U

CN217106869U - Anti-slip high-stability centralizer for geothermal special well

Info

Publication number: CN217106869U
Application number: CN202221096575.4U
Authority: CN
Inventors: 徐天申; 史洪军
Original assignee: Li Feng New Energy Technology Shandong Co ltd
Current assignee: Li Feng New Energy Technology Shandong Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-08-02
Anticipated expiration: 2032-05-09

Abstract

The utility model discloses a high stability geothermal special well centralizer is taken off in antiskid, including ring and lead screw, the ring has two and parallel arrangement, and four inside ends of two rings all are equipped with arc splint, every a ring symmetry both ends all are equipped with the moving mechanism who is used for removing arc splint, and two moving mechanism symmetries on every ring set up, the lead screw is vertical to be rotated in a tip that one of them ring is close to another ring, two be equipped with the coupling mechanism who is used for connecting two rings between the ring, and coupling mechanism has a plurality ofly and evenly distributed between two rings. The utility model discloses can adjust the position of connecting block, make it can adapt to the well of variation in size and use, and then improve the application range of this equipment.

Description

Anti-slip high-stability centralizer for geothermal special well

Technical Field

The utility model relates to a centralizer technical field especially relates to a special well centralizer of high stability geothermal is taken off in antiskid.

Background

The centralizer belongs to a well cementing tool, has simple manufacture, beautiful structure, firmness and durability, and large centralizing force, overcomes the defect that the prior welding type centralizer is easy to be detached from welding, and can ensure the well drilling and cementing quality.

The existing centralizer for geothermal special wells does not have the anti-slip function when in use, and the centralizer of the same type is only suitable for wells with the same size, so that the use range is reduced, and the requirements of people cannot be met, therefore, the centralizer for geothermal special wells with anti-slip high stability needs to be redesigned.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a skid-proof high-stability geothermal special well centralizer.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high stability geothermal special well centralizer is taken off in antiskid, includes ring and lead screw, the ring has two and parallel arrangement, and four inside ends of two rings all are equipped with arc splint, every a ring symmetry both ends all are equipped with the moving mechanism who is used for removing arc splint, and two moving mechanism symmetries on every ring set up, the vertical rotation of lead screw is close to a tip of another ring in one of them ring, two be equipped with the coupling mechanism who is used for connecting two rings between the ring, and coupling mechanism has a plurality ofly and evenly distributed between two rings.

As a further technical scheme of the utility model, moving mechanism includes framework and knob, and framework fixed connection in arc splint one end, the inside rotation of framework has the lead screw, and the terminal fixedly connected with of lead screw spacing dish.

As a further technical scheme of the utility model, the knob rotates in the outside tip of ring, the lead screw top is passed the framework top and is rotated in ring inner wall one end, threaded connection is passed in the framework top on the lead screw surface, the pivot is installed to knob one side, and the pivot other end passes the ring and installs in lead screw one end center department.

As a further technical scheme of the utility model, every the rubber pad of looks adaptation is all installed to two opposite sides at the inside both ends of ring, and rubber pad and the big or small looks adaptation of arc splint shape.

As a further technical scheme of the utility model, another ring one side is rotated there is the carousel, the lead screw top is passed another ring and is installed in carousel one side center department, and the lead screw surface passes through threaded connection inside another ring.

As a further technical scheme of the utility model, coupling mechanism includes the connecting block, and the connecting block is located between two rings, two all install first hinge between the opposite side of ring.

As the technical scheme of the utility model, the second hinge is all installed to a connecting block symmetry side, and a connecting block symmetry side all has the hinge bar through first hinge and second hinge joint.

The utility model has the advantages that:

1. the utility model provides a high stability geothermal special well centralizer is taken off in antiskid, when needs use this equipment, at first to the sleeve pipe as for between two arc splint of every intra-annular, drive the lead screw through the knob and rotate, the lead screw rotates and can drive the framework and remove, the framework removes and can drive the arc splint and remove, the arc splint remove can fix the sleeve pipe, in addition through the setting of rubber pad for this equipment has the high stability's that the antiskid is taken off the function, and then has improved the result of use of this equipment.

2. The utility model provides a high stability geothermal special well centralizer is taken off in antiskid, when needs use in to the well of equidimension not, it rotates to drive the lead screw through the carousel, the lead screw rotates and can drive one of them ring rotation, one of them ring rotation can drive one of them hinge bar and remove, one of them hinge bar removes and can drive the connecting block and remove, the connecting block removes and can drive another hinge bar and remove, thereby can adjust the position of connecting block, make it can adapt to the well use of variation in size, and then the application range of this equipment has been improved.

Drawings

FIG. 1 is a schematic structural view of a high stability geothermal special well centralizer for preventing slippage according to the present invention;

FIG. 2 is a schematic vertical structure diagram of the anti-slip high-stability centralizer for geothermal special wells according to the present invention;

FIG. 3 is a rear view of a high stability geothermal special well centralizer for anti-slip according to the present invention;

fig. 4 is a cross-sectional view of a high stability geothermal special well centralizer is taken off in antiskid according to the utility model discloses a.

In the figure: 1. a circular ring; 2. connecting blocks; 3. a hinged lever; 4. an arc-shaped splint; 5. a rubber pad; 6. a telescopic rod; 7. a screw rod; 8. a turntable; 9. a knob; 10. a first hinge; 11. a second hinge; 12. a frame body; 13. a lead screw; 14. a limiting disc.

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.

Referring to fig. 1-4, a special well centralizer of antiskid high stability geothermal, including ring 1 and lead screw 7, ring 1 has two and parallel arrangement, and four inside ends of two rings 1 all are equipped with

arc splint

4, 1 symmetrical both ends of every ring all are equipped with the moving mechanism who is used for removing arc splint 4, and two moving mechanism symmetries on every ring 1 set up, lead screw 7 is vertical to be rotated in one of them ring 1 and is close to a side end of another ring 1, be equipped with the coupling mechanism who is used for connecting two rings 1 between two rings 1, and coupling mechanism has a plurality ofly and evenly distributed between two rings 1.

Referring to fig. 1, in a preferred embodiment, the moving mechanism includes a frame 12 and a knob 9, the frame 12 is fixedly connected to one end of the arc-shaped clamp plate 4, a lead screw 13 is rotated inside the frame 12, and a limit plate 14 is fixedly connected to the end of the lead screw 13.

Referring to fig. 2, in a preferred embodiment, the knob 9 is rotated at an end portion of an outer side of the ring 1, a top end of the lead screw 13 penetrates through a top portion of the frame 12 and is rotated at one end of an inner wall of the ring 1, a surface of the lead screw 13 is connected into the top portion of the frame 12 through a thread, a rotating shaft is installed at one side of the knob 9, and the other end of the rotating shaft penetrates through the ring 1 and is installed at a center of one end of the lead screw 13.

Referring to fig. 3, in a preferred embodiment, opposite sides of two arc-shaped clamping plates 4 at two ends inside each ring 1 are respectively provided with a rubber pad 5 which is matched with the arc-shaped clamping plates 4, the rubber pads 5 are matched with the arc-shaped clamping plates 4 in shape and size, one side of the other ring 1 is rotated with a rotary disc 8, the top end of a screw rod 7 penetrates through the other ring 1 and is arranged at the center of one side of the rotary disc 8, and the surface of the screw rod 7 is connected inside the other ring 1 through threads.

Referring to fig. 1 and 3, in a preferred embodiment, the connection mechanism includes a connection block 2, and the connection block 2 is located between two rings 1, and a first hinge 10 is installed between opposite sides of the two rings 1.

Referring to fig. 1 and 4, in a preferred embodiment, a second hinge 11 is installed at each of symmetrical sides of the connection block 2, and each of the symmetrical sides of the connection block 2 is hinged to the hinge lever 3 by a first hinge 10 and a second hinge 11.

The working principle is as follows: when the device is used in practice, when the device is needed, firstly, a sleeve is placed between two arc-shaped clamping plates 4 in each ring 1, the screw 13 is driven to rotate by the knob 9, the screw 13 rotates to drive the frame body 12 to move, the frame body 12 moves to drive the arc-shaped clamping plates 4 to move, the arc-shaped clamping plates 4 move to fix the sleeve, in addition, the rubber pad 5 is arranged, so that the device has the function of high stability of anti-slip, the using effect of the device is further improved, when the device is needed to be used in wells with different sizes, the screw 7 is driven to rotate by the turntable 8, the screw 7 rotates to drive one of the rings 1 to rotate, one of the rings 1 rotates to drive one of the hinged rods 3 to move, one of the hinged rods 3 moves to drive the connecting block 2 to move, the connecting block 2 moves to drive the other hinged rod 3 to move, and the position of the connecting block 2 can be adjusted, the device can adapt to wells with different sizes, and the application range of the device is further improved.

Having shown and described the basic principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof, and it is therefore intended that the embodiments be considered as exemplary and not limiting in any way, since the scope of the invention is defined by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein and are therefore not to be embraced therein by any reference numerals in the claims.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a high stability geothermal special well centralizer is taken off in antiskid, includes ring (1) and lead screw (7), its characterized in that, ring (1) has two and parallel arrangement, and four inside ends of two ring (1) all are equipped with arc splint (4), every ring (1) symmetrical both ends all are equipped with the moving mechanism who is used for removing arc splint (4), and two moving mechanism symmetries on every ring (1) set up, lead screw (7) vertical rotation is close to a side end of another ring (1) in one of them ring (1), two be equipped with the coupling mechanism who is used for connecting two ring (1) between ring (1), and coupling mechanism has a plurality ofly and evenly distributed between two ring (1).

2. The special geothermal well centralizer for preventing slipping and achieving high stability according to claim 1, wherein the moving mechanism comprises a frame body (12) and a knob (9), the frame body (12) is fixedly connected to one end of an arc-shaped clamping plate (4), a lead screw (13) is rotatably arranged inside the frame body (12), and a limiting plate (14) is fixedly connected to the tail end of the lead screw (13).

3. The anti-slip high-stability geothermal special well centralizer according to claim 2, wherein the knob (9) is rotated at one end of the outer side of the ring (1), the top end of the lead screw (13) passes through the top of the frame body (12) and is rotated at one end of the inner wall of the ring (1), the surface of the lead screw (13) is connected in the top of the frame body (12) through threads, a rotating shaft is installed at one side of the knob (9), and the other end of the rotating shaft passes through the ring (1) and is installed at the center of one end of the lead screw (13).

4. The centralizer for the geothermal special well with anti-slip high stability according to claim 3, wherein the two arc-shaped clamping plates (4) at the two ends inside each ring (1) are provided with rubber pads (5) on opposite sides, and the rubber pads (5) are matched with the arc-shaped clamping plates (4) in shape and size.

5. The anti-slip high-stability geothermal special well centralizer according to claim 4, wherein a rotary table (8) is rotated at one side of the other ring (1), the top end of the screw rod (7) penetrates through the other ring (1) and is installed at the center of one side of the rotary table (8), and the surface of the screw rod (7) is connected to the inside of the other ring (1) through threads.

6. The anti-slip high-stability geothermal special well centralizer according to claim 5, wherein the connecting mechanism comprises a connecting block (2), the connecting block (2) is positioned between two circular rings (1), and a first hinge (10) is arranged between opposite side surfaces of the two circular rings (1).

7. The anti-slip high-stability geothermal special well centralizer according to claim 6, wherein a second hinge (11) is installed on each symmetrical side surface of the connecting block (2), and each symmetrical side surface of the connecting block (2) is hinged with the hinge rod (3) through the first hinge (10) and the second hinge (11).