CN220336865U - Packer expansion type expansion pipe patch tool - Google Patents

Abstract

The utility model belongs to the field of expansion pipes, and particularly relates to a packer expansion pipe patching tool, which solves the problems of low efficiency and poor sealing performance in the prior art.

Description

Packer expansion type expansion pipe patch tool

Technical Field

The utility model relates to the technical field of expansion type expansion pipes, in particular to a packer expansion type expansion pipe patching tool.

Background

At present, an expansion pipe patching technology is commonly adopted for repairing old wells of domestic oil fields, the technology is that an expansion cone is arranged in a transmitting cavity, and an original sleeve is patched from bottom to top by pressing and expanding the patching pipe, and the technology is more mature in China.

The application publication number in the prior art is: the utility model discloses a packer expansion type expansion pipe patching tool of CN110439491A, which comprises an inner expansion device and an outer expansion pipe which are sleeved in an inner sleeved mode, wherein the inner expansion device comprises a packer and a central pipe which are sequentially connected, the length of the packer is smaller than that of the outer expansion pipe, the packer comprises a rubber cylinder, the outer expansion pipe can be expanded after the rubber cylinder of the packer is expanded, the expansion pipe is expanded and sealed from top to bottom by the packer expansion type expansion pipe patching tool, and the problems of repairing damaged leakage casing, plugging perforation section casing, side drilling expansion pipe completion, plugging complex drilling layers and the like are achieved through the packer expansion patching pipe. The packer is adopted to replace an expansion cone for expansion patch from top to bottom, the inner diameter of a patch pipe is adjustable, an original sleeve is deformed, inner wall corrosion is serious, patch can be carried out, meanwhile, the safety during construction is increased, the maximum drift diameter of the sleeve is obtained, however, the shearing pin is required to be destroyed to carry out a lower tubular column, the mode is not convenient enough, and the sealing performance of a first sealing rubber cylinder and a second sealing rubber cylinder is not high.

Disclosure of Invention

The utility model aims to provide a packer expansion type expansion pipe patching tool, which solves the problems of low efficiency and poor sealing property.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the packer expanding type expansion pipe patching tool comprises a limiting joint, an outer pipe, a first sealing rubber cylinder and a second sealing rubber cylinder, wherein a fixing plate and two symmetrically arranged fixing blocks are fixedly connected to the inner part of the outer pipe through screws respectively, a rotating rod is rotatably arranged in the fixing plate, a connecting rod is rotatably arranged in the fixing block, and a clamping block is slidably assembled in the limiting joint;

the rotary table is characterized in that a rotary table and two symmetrically arranged rotary blocks are fixedly sleeved on the outer peripheral surface of the rotary rod respectively, a rotary wheel is fixedly sleeved on the outer peripheral surface of the connecting rod, a rope belt is fixedly connected onto the rotary block, the rope belt bypasses the rotary wheel, the other end of the rope belt is fixedly connected to one side of the clamping block, a return spring is welded to one side of the rotary table, and the other end of the return spring is welded to the top of the outer tube.

Preferably, the first sealing rubber cylinder is fixedly connected with a sealing ring, and the second sealing rubber cylinder is fixedly connected with a sealing ring.

Preferably, two symmetrically arranged clamping grooves are formed in the limiting connector, the two clamping blocks are respectively and slidably connected in the two clamping grooves, and the clamping grooves are used for sliding of the clamping blocks.

Preferably, the two fixing blocks are provided with rotating grooves in the same, the two connecting rods are respectively installed in the two rotating grooves in a rotating mode, and the rotating grooves are used for rotating the connecting rods.

Preferably, a rotating groove is formed in the fixing plate, the rotating rod is rotatably mounted in the rotating groove, and the rotating groove is used for rotating the rotating rod.

Preferably, the square groove is formed in the outer tube, the rotating rod is rotatably installed in the square groove, the sliding groove is formed in the outer tube, the clamping block is slidably connected in the sliding groove, an extrusion spring is welded on one side of the clamping block, the other side of the extrusion spring is welded on the inner wall of the sliding groove, and the sliding groove is used for sliding of the clamping block.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the structures such as the rotating wheel, the rotating rod and the like, the rotating disc is rotated, the rotating disc drives the rotating rod to rotate, so that the rotating block rotates, and then the rope belt is pulled, so that the rotating wheel rotates, and the rope belt is fixedly connected with the clamping block, so that the clamping block is driven to be pulled out of the clamping groove by pulling the rope belt, and the clamping block moves towards the direction of the sliding groove, and the effect of high efficiency is realized.

2. According to the utility model, through the arrangement of the structures such as the first sealing rubber cylinder and the second sealing rubber cylinder, the sealing rings are arranged on the first sealing rubber cylinder and the second sealing rubber cylinder, so that the sealing effect can be better achieved, and the sealing effect is good.

Drawings

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

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic view of a turning bar and wheel of the present utility model;

fig. 4 is a schematic view of the spacing joint and outer tube of the present utility model.

In the figure: 1. a second sealing rubber cylinder; 2. a turntable; 3. a limit joint; 4. an outer tube; 5. a return spring; 6. a rotating lever; 7. a rotating block; 8. a fixing plate; 9. a rope belt; 10. a fixed block; 11. a connecting rod; 12. a rotating wheel; 13. extruding a spring; 14. a clamping block; 15. a seal ring; 16. and the first sealing rubber cylinder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the packer expanding type expansion pipe patching tool comprises a limit joint 3, an outer pipe 4, a first sealing rubber cylinder 16 and a second sealing rubber cylinder 1, wherein a fixing plate 8 and two symmetrically arranged fixing blocks 10 are fixedly connected to the inside of the outer pipe 4 through screws respectively, a rotating rod 6 is installed in the fixing plate 8 in a rotating mode, a connecting rod 11 is installed in the fixing blocks 10 in the fixing blocks, a clamping block 14 is assembled in the limit joint 3 in a sliding mode, a rotating disc 2 and two symmetrically arranged rotating blocks 7 are fixedly sleeved on the outer peripheral surface of the rotating rod 6 respectively, a rotating wheel 12 is fixedly sleeved on the outer peripheral surface of the connecting rod 11, a rope belt 9 is fixedly connected to the rotating block 7, the rope belt 9 bypasses the rotating wheel 12, the other end of the rope belt 9 is fixedly connected to one side of the clamping block 14, a reset spring 5 is welded to one side of the rotating disc 2, the other end of the reset spring 5 is welded to the top of the outer pipe 4, the rotating disc 2 drives the rotating rod 6 to rotate through the rotating wheel 12, the rotating disc 9 is driven to rotate through the rotating rod 6 and the rotating blocks, and then the rope belt 9 is pulled to rotate, and the rope belt 12 is pulled out of the clamping groove 14 is fixedly connected with the clamping block 14, and the rope belt 9 is pulled to the rope groove is pulled to move towards the high direction.

Referring to fig. 1-4, the sealing ring 15 is fixedly connected to the first sealing rubber cylinder 16, the sealing ring 15 is fixedly connected to the second sealing rubber cylinder 1, and the sealing rings 15 are arranged on the first sealing rubber cylinder 16 and the second sealing rubber cylinder 1 through the arrangement of the structures such as the first sealing rubber cylinder 16 and the second sealing rubber cylinder 1, so that the sealing effect can be better achieved, and the sealing effect is good.

Referring to fig. 1-4, two symmetrically arranged clamping grooves are formed in the limiting joint 3, two clamping blocks 14 are respectively and slidably connected in the two clamping grooves, rotating grooves are formed in the two fixing blocks 10, two connecting rods 11 are respectively and rotatably mounted in the two rotating grooves, rotating grooves are formed in the fixing plates 8, rotating rods 6 are rotatably mounted in the rotating grooves, square grooves are formed in the outer tube 4, the rotating rods 6 are rotatably mounted in the square grooves, sliding grooves are formed in the outer tube 4, the clamping blocks 14 are slidably connected in the sliding grooves, one sides of the clamping blocks 14 are welded with extrusion springs 13, and the other sides of the extrusion springs 13 are welded on the inner walls of the sliding grooves.

The specific implementation process of the utility model is as follows: the main body is put into, the turntable 2 is rotated, the rotating rod 6 is driven to rotate by the rotation of the turntable 2, the rotating block 7 is then rotated along with the rotation, the rope belt 9 is driven to be pulled, the rotating wheel 12 is driven to rotate, and the rope belt 9 is fixedly connected with the clamping block 14, so that the rope belt 9 is pulled to drive the clamping block 14 to be pulled out of the clamping groove and move towards the direction of the sliding groove, and the effect of high efficiency is realized;

further, when the setting of sealing washer 15 makes first packing element 16 and second joint strip and outer tube 4 contact, can closely laminate more, can be better play sealed effect, realized sealed good effect.

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

Claims (6)

1. Packer expansion type expansion pipe patch instrument, including spacing joint (3), outer tube (4), first packing element (16) and second packing element (1), its characterized in that: the inside of the outer tube (4) is fixedly connected with a fixed plate (8) and two symmetrically arranged fixed blocks (10) through screws respectively, a rotating rod (6) is rotatably arranged in the fixed plate (8), a connecting rod (11) is rotatably arranged in the fixed block (10), and a clamping block (14) is slidably assembled in the limiting joint (3);

the utility model discloses a rotary table, including outer tube (4), rotary rod (6), connecting rod (11), fixed cover is equipped with carousel (2) and two symmetrical arrangement's rotating block (7) on the outer peripheral face respectively, fixed cover is equipped with runner (12) on the outer peripheral face of connecting rod (11), fixedly connected with rope belt (9) on rotating block (7), rope belt (9) are walked around runner (12), the other end fixed connection of rope belt (9) is in one side of fixture block (14), one side welding of carousel (2) has reset spring (5), the other end welding of reset spring (5) is in the top of outer tube (4).

2. The packer-expandable tubular patch tool of claim 1, wherein: the sealing device is characterized in that a sealing ring (15) is fixedly connected to the first sealing rubber cylinder (16), and the sealing ring (15) is fixedly connected to the second sealing rubber cylinder (1).

3. The packer-expandable tubular patch tool of claim 1, wherein: two symmetrically arranged clamping grooves are formed in the limiting joint (3), and two clamping blocks (14) are respectively and slidably connected in the two clamping grooves.

4. The packer-expandable tubular patch tool of claim 1, wherein: the two fixing blocks (10) are respectively internally provided with a rotary groove, and the two connecting rods (11) are respectively rotatably arranged in the two rotary grooves.

5. The packer-expandable tubular patch tool of claim 1, wherein: the inside of fixed plate (8) has seted up the rotation groove, dwang (6) rotate and install the inside in rotation groove.

6. The packer-expandable tubular patch tool of claim 1, wherein: square grooves are formed in the outer tube (4), the rotating rod (6) is rotatably installed in the square grooves, a sliding groove is formed in the outer tube (4), the clamping block (14) is slidably connected in the sliding groove, one side of the clamping block (14) is welded with the extrusion spring (13), and the other side of the extrusion spring (13) is welded on the inner wall of the sliding groove.