Mounting tool of immersed electric drive oil-submerged pump and working method of mounting tool

Abstract

The invention discloses an installation tool of an immersed electric drive oil-submerged pump and a working method of the installation tool, and relates to the technical field of oil-submerged pump installation. The mounting mechanism comprises a barrel protective sleeve, a guide structure, a first hoisting structure and a second hoisting structure; the electrically-driven oil-submerged pump, the lifting pipe structure and the bottom connecting sleeve are protected through the arranged cylinder protection sleeve, and the lifting pipe structure is guided and positioned through the arranged guide structure, so that the lifting pipe structure and the cylinder protection sleeve are coaxial; the first hoisting structure, the second hoisting structure, the limiting supporting structure, the supporting rod and the circular hoisting plate are used for hoisting and mounting the electrically-driven oil-submerged pump and the lifting pipe structure, and the limiting supporting structure, the mounting tray and the fixing block are used for mounting the conductive pipe connecting structure, so that modular mounting can be performed, and each component can be independently mounted and debugged; and the overall installation time and complexity are reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of submersible pump installation, in particular to an installation tool for an immersed electric-driven submersible pump and a working method thereof. Background Art

[0002] A submersible oil pump is a device specially used to extract crude oil from underground oil wells. It is usually installed at the bottom of the oil well. The submersible oil pump uses centrifugal force to throw the oil in the hole out of the hole through the space between the conduit and the wellhead casing. The submersible oil pump includes a circulating oil system, a top plate part (the power junction box is installed on the top plate), a conduit part, and a motor part. An immersed electric submersible oil pump is an electric pump specially designed to work in liquids. It is usually installed at the bottom of the oil well and directly immersed in crude oil or other liquids. The immersed electric submersible oil pump needs to be installed when in use. Therefore, an installation tool and an operating method of the immersed electric submersible oil pump are required.

[0003] The existing installation tooling of submerged electric submersible oil pumps has certain disadvantages when in use. When in use, the existing installation tooling of submerged electric submersible oil pumps usually uses lifting equipment to lift and install the submersible electric submersible oil pumps. However, when the installation position of the submersible electric submersible oil pump is deeper, there is human operation during the installation process, which may cause inaccurate positioning or instability during lifting, affecting the working efficiency and life of the submersible oil pump. It may also be inconvenient during disassembly, reducing the installation efficiency of the submersible oil pump and failing to meet people's needs. Summary of the Invention

[0004] The present invention aims to solve the technical problems existing in the prior art; to this end, the present invention proposes an installation tool for an immersed electric-driven submersible oil pump and a working method thereof.

[0005] A mounting tool for an immersed electric submersible oil pump and a working method thereof, an electric submersible oil pump and a mounting hole for mounting the electric submersible oil pump, comprising: several groups of lifting pipe structures detachably connected to the electric submersible oil pump and a mounting mechanism for mounting the electric submersible oil pump and the lifting pipe structure; wherein the mounting mechanism comprises a cylinder protective cover detachably fixed in the mounting hole and protecting the electric submersible oil pump and the lifting pipe structure, and several groups of guide structures detachably arranged on the outer wall of the lifting pipe structure, wherein the guide structure can guide and position the lifting pipe structure so that the lifting pipe structure and the cylinder protective cover are coaxial, thereby facilitating the stable installation of several groups of lifting pipe structures; the mounting mechanism also comprises a first lifting structure arranged outside the mounting hole and lifting and mounting the electric submersible oil pump, and a second lifting structure for lifting and mounting the lifting pipe structure.

[0006] As a further solution of the present invention: the installation mechanism also includes several groups of bottom connecting sleeves that can be assembled with each other; the bottom end of the electric-driven submersible pump and the bottom connecting sleeve are detachably fixed; the bottom connecting sleeve can be installed inside the cylinder protective sleeve, and the cylinder protective sleeve is arranged in the installation hole, which can effectively protect the electric-driven submersible pump, the bottom connecting sleeve and the pulling pipe structure.

[0007] As a further solution of the present invention: the first lifting structure includes a support kit that can be detachably installed on the upper part of the outer wall of the electric-driven submersible oil pump and a support frame that can be detachably provided on the upper end of the cylinder protective cover and supported and connected to the support kit; wherein, the top end of the electric-driven submersible oil pump and the bottom end of the pulling tube structure are detachably fixed; the outer wall of the electric-driven submersible oil pump and the inner wall of the support kit are fitted and limited, and the structure of the support frame is similar to that of the limiting support frame, and both ends of the support kit are provided with reinforcement blocks that fit together, and the reinforcement blocks can fit together with the upper end of the support frame, and the reinforcement blocks can fix the support kit by bolts.

[0008] As a further solution of the present invention: the lifting tube structure extends above the ground and is equipped with an external structure, the lower end of the external structure is detachably fixed to the upper end of the cylinder protective sleeve; the installation mechanism also includes an external ring cover detachably fixed to the upper end of the external structure and a limiting support structure detachably arranged on the upper end of the external ring cover and limitedly connected to the second lifting structure, and several groups of bolt holes can be provided on the external ring cover and the external structure, the external ring cover protects the external structure, and the interior of the external ring cover is provided with a connection hole corresponding to the lifting tube structure.

[0009] As a further solution of the present invention: the second lifting structure includes a lifting block that is detachably fixed to the outside of the lifting tube structure and a lifting ring that is detachably installed on the upper end of the lifting block and lifts the lifting tube structure; wherein, the lifting block is supported and connected to the limiting support structure, and the lifting ring can be connected to the external lifting structure.

[0010] As a further solution of the present invention: the limiting support structure includes a limiting support frame that is detachably mounted on the upper end of the external ring cover and a support block symmetrically arranged on the limiting support frame and used to support the lifting block, the vertical section of the support block is an isosceles triangle structure, and the outside of the support block is provided with a reinforcement block connected to the second mounting member; wherein, first mounting members fixedly connected to the external ring cover are provided on both sides of the outer surface of the limiting support frame, the vertical section of the first mounting member is a right triangle, and the first mounting member is provided with several groups of mounting grooves for bolt fixing; second mounting members symmetrically connected to the bottom of the support block are provided on the limiting support frame, the vertical section of the second mounting member is an "L"-shaped structure, and a handle rod with a "U"-shaped structure is vertically provided on the outer wall of the second mounting member.

[0011] As a further solution of the present invention: the installation mechanism also includes several groups of support rods vertically installed on the upper end of the external ring cover and arranged on the outside of the limit support frame, and a circular hanging plate detachably fixed to the top of the support rod; wherein, the circular hanging plate is provided with a through hole matching the hanging block; the upper end surface of the circular hanging plate is provided with several groups of lifting ears in a circular array, and the lifting ears are in a triangular structure, and the two ends of the support rod are respectively fixed vertically to the circular hanging plate and the external ring cover.

[0012] As a further solution of the present invention: the lifting tube structure at the upper end passes through the external structure and is detachably installed with a conductive tube connecting structure, and the lifting tube structure at the lower end is detachably fixed to the electric-driven submersible oil pump; when the limiting support structure is detachably installed on the upper end of the circular lifting plate, the support block on the limiting support structure can support and limit the conductive tube connecting structure.

[0013] As a further solution of the present invention: the installation mechanism also includes a mounting tray that can be fixedly connected to each other and limitedly connected to the outer wall of the conductive tube connection structure; wherein, the mounting tray is arranged above the support block; a through groove corresponding to the conductive tube connection structure is opened at the center of the mounting tray; the upper end surface of the mounting tray is symmetrically provided with fixing blocks for fixing each other and for hoisting.

[0014] As a further solution of the present invention: a working method of an installation tool for an immersible electric submersible pump, the specific steps are as follows: Step A: Fix the cylinder protective cover into the installation hole, assemble several sets of bottom connecting sleeves together and fix them to the electric submersible oil pump, and then hoist the electric submersible oil pump into the cylinder protective cover; Step B: placing the first lifting structure on the cylinder protective cover to fix the electric submersible pump, fixing the lifting pipe structure to the electric submersible pump, and positioning and lifting the lifting pipe structure through the guide structure; Step C: Install the external structure to the upper end of the cylinder protective cover, fix the limiting support structure to the external structure through the external ring cover, and use the second lifting structure to lift the multiple groups of lifting tube structures in sequence; Step D: After the lifting tube structure is hoisted, the support rod and the circular lifting plate are installed on the external structure and placed on the outside of the limit support structure, and the conductive tube connection structure is fixed to the lifting tube structure; Step E: Assemble the installation tray to the outside of the conductive pipe connection structure, and hoist the conductive pipe connection structure through the fixing block; Step F: Fix the circular hanging plate to the conductive tube connection structure, remove the limit support structure and the support rod, and fix the conductive tube connection structure to the external structure through the circular hanging plate.

[0015] Compared with the prior art, the present invention has the following beneficial effects: (1) The present invention protects the electric submersible pump, the lifting pipe structure and the bottom connecting sleeve through the provided installation mechanism and the provided cylinder protective cover, guides and positions the lifting pipe structure through the provided guide structure, so that the lifting pipe structure and the cylinder protective cover are coaxial, the first lifting structure, the second lifting structure, the limiting support structure, the support rod and the circular lifting plate lift and install the electric submersible pump and the lifting pipe structure, and the limiting support structure, the installation tray and the fixing block install the conductive pipe connecting structure, thereby enabling modular installation, and each component can be installed and debugged independently, reducing the overall installation time. The time and complexity of installation are reduced. The designs of the first hoisting structure, the second hoisting structure, and the limiting support structure make the hoisting and positioning of the equipment more convenient and quick, and allow each component to be quickly disassembled and replaced, reducing maintenance time and cost. The designs of the limiting support structure, support rods and circular hoisting plates provide additional support and enhance the stability and reliability of the equipment. The design of the fixing block ensures the stability of the conductive tube connection structure and reduces loosening or damage caused by vibration or other external forces. The modular design allows the equipment to be flexibly configured according to different application scenarios and needs, thereby improving the adaptability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0017] Figure 2 This is a structural diagram of the electric submersible pump and installation mechanism in the present invention.

[0018] Figure 3 This is a partial structural diagram of the first lifting structure in the present invention.

[0019] Figure 4 It is a partial structural diagram of the second lifting structure and the limiting support structure in the present invention.

[0020] Figure 5 It is a partial structural diagram of the external structure and the circular hanging plate in the present invention.

[0021] Figure 6 It is a partial structural diagram of the external structure and the limiting support structure in the present invention.

[0022] Figure 7 It is a partial structural diagram of the circular hanging plate and the mounting tray in the present invention.

[0023] Figure 8 It is a partial structural diagram of the external ring cover in the present invention.

[0024] Figure 9 It is a partial structural diagram of the pulling tube structure and the lifting structure in the present invention.

[0025] Figure 10 The figure is a flow chart of the working method for installing the tooling in the present invention.

[0026] In the figure: 1. Electric-driven submersible pump; 2. Pulling pipe structure; 3. Cylinder protection cover; 4. Guide structure; 5. First lifting structure; 6. Second lifting structure; 7. Bottom connecting sleeve; 8. Support kit; 9. Support frame; 10. External structure; 11. External ring cover; 12. Limiting support structure; 13. Lifting block; 14. Lifting ring; 15. Limiting support frame; 16. Support block; 17. First mounting piece; 18. Second mounting piece; 19. Support rod; 20. Round lifting plate; 21. Lifting ear; 22. Conductive tube connection structure; 23. Mounting tray; 24. Fixing block; 25. Reinforcement block; 26. Handle rod. DETAILED DESCRIPTION

[0027] The technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] Example 1 See also Figure 1 - Figure 9 The present application provides an installation tool for an immersible electric submersible oil pump and a working method thereof, an electric submersible oil pump 1 and an installation hole for installing the electric submersible oil pump 1, including: a plurality of groups of lifting pipe structures 2 that are detachably connected to the electric submersible oil pump 1 and an installation mechanism for installing the electric submersible oil pump 1 and the lifting pipe structure 2; wherein the installation mechanism includes a cylinder protection cover 3 that is detachably fixed in the installation hole and protects the electric submersible oil pump 1 and the lifting pipe structure 2, and a plurality of groups of detachable lifting pipes that are arranged on the lifting pipe structure 2. The guide structure 4 on the outer wall of the structure 2 can guide and position the lifting tube structure 2 so that the lifting tube structure 2 is coaxial with the cylinder protective cover 3, which is convenient for the stable installation of several groups of lifting tube structures 2; the installation mechanism also includes a first lifting structure 5 which is arranged on the outside of the installation hole and lifts and installs the electric-driven submersible pump 1 and a second lifting structure 6 which lifts and installs the lifting tube structure 2, fixes the cylinder protective cover 3 into the installation hole, and aligns the electric-driven submersible pump 1 with the cylinder protective cover 3 for lifting.

[0029] The installation mechanism in the present invention also includes several groups of bottom connecting sleeves 7 that can be assembled with each other; the bottom end of the electric-driven submersible pump 1 and the bottom connecting sleeve 7 are detachably fixed; the bottom connecting sleeve 7 can be installed inside the cylinder protective sleeve 3, and the cylinder protective sleeve 3 is arranged in the installation hole, which can effectively protect the electric-driven submersible pump 1, the bottom connecting sleeve 7 and the pulling pipe structure 2.

[0030] The first lifting structure 5 in the present invention includes a support kit 8 that can be detachably installed on the upper part of the outer wall of the electric-driven submersible oil pump 1 and a support frame 9 that can be detachably provided on the upper end of the cylinder protective cover 3 and connected to the support kit 8. The top of the electric-driven submersible oil pump 1 is detachably provided with a lifting part, and the support kit 8 can be disassembled or assembled; wherein, the top of the electric-driven submersible oil pump 1 and the bottom end of the pulling tube structure 2 are detachably fixed; the outer wall of the electric-driven submersible oil pump 1 and the inner wall of the support kit 8 are fitted and limited, and the structure of the support frame 9 is similar to the structure of the limiting support frame 15. Both ends of the support kit 8 are provided with reinforcement blocks 25 that fit together, and the reinforcement blocks 25 can fit with the upper end of the support frame 9. The reinforcement blocks 25 can fix the support kit 8 by bolts.

[0031] In the present invention, the lifting tube structure 2 extends above the ground and is equipped with an external structure 10, the lower end of the external structure 10 is detachably fixed to the upper end of the cylinder protective sleeve 3; the installation mechanism also includes an external ring cover 11 that is detachably fixed to the upper end of the external structure 10 and a limiting support structure 12 that is detachably arranged at the upper end of the external ring cover 11 and is limitedly connected to the second lifting structure 6. Several groups of bolt holes can be provided on the external ring cover 11 and the external structure 10. The external ring cover 11 protects the external structure 10, and the interior of the external ring cover 11 is provided with a connection hole corresponding to the lifting tube structure 2.

[0032] The second lifting structure 6 in the present invention includes a lifting block 13 that is detachably fixed to the outside of the lifting tube structure 2 and a lifting ring 14 that is detachably installed on the upper end of the lifting block 13 and lifts the lifting tube structure 2; wherein, the lifting block 13 is supported and connected to the limiting support structure 12, and the lifting ring 14 can be connected to the external lifting structure.

[0033] The limiting support structure 12 in the present invention includes a limiting support frame 15 that is detachably mounted on the upper end of the external ring cover 11 and a support block 16 symmetrically arranged on the limiting support frame 15 and used to support the lifting block 13. The limiting support frame 15 can be disassembled or assembled, and the vertical section of the support block 16 is an isosceles triangle structure. The outside of the support block 16 is provided with a reinforcing member connected to the second mounting member 18; wherein, both sides of the outer surface of the limiting support frame 15 are provided with a first mounting member 17 fixedly connected to the external ring cover 11, the vertical section of the first mounting member 17 is a right triangle, and the first mounting member 17 is provided with several groups of mounting grooves for bolt fixing; the limiting support frame 15 is symmetrically provided with a second mounting member 18 vertically connected to the bottom of the support block 16, the vertical section of the second mounting member 18 is an "L"-shaped structure, and the outer wall of the second mounting member 18 is vertically provided with a handle rod 26 with a "U"-shaped structure.

[0034] The mounting mechanism in the present invention also includes several groups of support rods 19 vertically mounted on the upper end of the external ring cover 11 and arranged on the outside of the limit support frame 15, and a circular hanging plate 20 detachably fixed to the top of the support rod 19; wherein, the circular hanging plate 20 is provided with a through hole matching the hanging block 13; the upper end surface of the circular hanging plate 20 is provided with several groups of lifting ears 21 in a circular array, and the lifting ears 21 are triangular in structure, and the two ends of the support rod 19 are respectively fixed vertically to the circular hanging plate 20 and the external ring cover 11.

[0035] In the present invention, the uppermost pulling tube structure 2 passes through the external structure 10 and is detachably installed with a conductive tube connecting structure 22, and the lowermost pulling tube structure 2 is detachably fixed to the electric-driven submersible pump 1; when the limiting support structure 12 is detachably installed on the upper end of the circular lifting plate 20, the support block 16 on the limiting support structure 12 can support and limit the conductive tube connecting structure 22.

[0036] The installation mechanism in the present invention also includes a mounting tray 23 that can be fixedly connected to each other and limitedly connected to the outer wall of the conductive tube connection structure 22; wherein, the mounting tray 23 is arranged above the support block 16; a through groove corresponding to the conductive tube connection structure 22 is opened at the center of the mounting tray 23; the upper end surface of the mounting tray 23 is symmetrically provided with a fixing block 24 for fixing each other and being able to be hoisted.

[0037] In summary, several groups of bottom connecting sleeves 7 are assembled to the bottom end of the electric-driven submersible oil pump 1 in sequence, and then the electric-driven submersible oil pump 1 is hoisted into the cylinder protective sleeve 3 through the hoisting parts, and the support kit 8 and the support frame 9 are both connected to the cylinder protective sleeve 3, so that the support kit 8 supports and limits the upper part of the electric-driven submersible oil pump 1, and the top of the electric-driven submersible oil pump 1 is detachably fixed to the bottom end of the lifting pipe structure 2, and the lifting block 13 and the lifting ring 14 are installed on the lifting pipe structure 2, and the lifting pipe structure 2 is hoisted. The guide structure 4 guides and positions the lifting pipe structure 2 so that the lifting pipe structure 2 is coaxial with the cylinder protective sleeve 3, and the external structure 10 is installed on the cylinder protective sleeve 3, and the external ring cover 11 is installed on the external structure 10, and the limiting support frame 15 is installed on the external ring cover 11 through the first mounting member 17, and the second mounting member 18 is placed on the limiting On the support frame 15, the support block 16 supports and limits the lifting block 13, the lifting ring 14 is removed and the adjacent lifting tube structure 2 is fixed to the lifting tube structure 2 below, and the lifting tube structure 2 is continued to be lifted, and the support rod 19 and the circular lifting plate 20 are installed on the external ring cover 11, and the support rod 19 is set on the outside of the limiting support frame 15, and the uppermost lifting tube structure 2 is installed in the conductive tube connection structure 22, so that the support block 16 supports and limits the conductive tube connection structure 22, and the installation tray 23 is installed to the lower outside of the conductive tube connection structure 22, and the adjacent fixing block 24 is fixed, and the fixing block 24 is lifted, and then the limiting support structure 12 and the support rod 19 are removed, and the external ring cover 11 is removed, and the conductive tube connection structure 22 is fixed to the external structure 10 through the circular lifting plate 20.

[0038] Example 2 Reference Figure 10 , which is the second embodiment of the present invention, wherein the working method of the installation tool of an immersion type electric drive submersible oil pump in the present invention comprises the following specific steps: Step A: Fix the cylinder protective cover 3 into the installation hole, assemble several groups of bottom connecting sleeves 7 together and fix them to the electric submersible oil pump 1, and then hoist the electric submersible oil pump 1 into the cylinder protective cover 3; Step B: Place the first lifting structure 5 on the cylinder protective cover 3 to fix the electric submersible pump 1, fix the lifting pipe structure 2 to the electric submersible pump 1, and position and lift the lifting pipe structure 2 through the guide structure 4; Step C: Install the external structure 10 to the upper end of the cylinder protective cover 3, fix the limiting support structure 12 to the external structure 10 through the external ring cover 11, and use the second lifting structure 6 to lift the multiple groups of lifting tube structures 2 in sequence; Step D: After the lifting tube structure 2 is hoisted, the support rod 19 and the circular lifting plate 20 are installed on the external structure 10 and arranged outside the position-limiting support structure 12 , and the conductive tube connecting structure 22 is fixedly installed to the lifting tube structure 2; Step E: Assemble the mounting tray 23 to the outside of the conductive tube connection structure 22 and hoist the conductive tube connection structure 22 through the fixing block 24; Step F: Fix the circular hanging plate 20 to the conductive tube connection structure 22 , remove the position-limiting support structure 12 and the support rod 19 , and fix the conductive tube connection structure 22 to the external structure 10 via the circular hanging plate 20 .

[0039] Example 3 Reference Figure 1 - Figure 10 , combining Example 1 and Example 2 to obtain this embodiment.

[0040] The electric submersible pump 1, the lifting pipe structure 2 and the bottom connecting sleeve 7 are protected by the provided cylinder protection cover 3, and the lifting pipe structure 2 is guided and positioned by the provided guide structure 4 so that the lifting pipe structure 2 is coaxial with the cylinder protection cover 3. The first hoisting structure 5, the second hoisting structure 6, the limiting support structure 12, the support rod 19 and the circular hoisting plate 20 are used to lift and install the electric submersible pump 1 and the lifting pipe structure 2, and the limiting support structure 12, the mounting tray 23 and the fixing block 24 are used to install the conductive pipe connecting structure 22, so that modular installation can be carried out, and each component can be installed and debugged independently, reducing the overall installation. Time and complexity, the design of the first hoisting structure 5, the second hoisting structure 6, the limiting support structure 12, etc. makes the hoisting and positioning of the equipment more convenient and quick, so that each component can be quickly disassembled and replaced, reducing maintenance time and cost, the design of the limiting support structure 12, the support rod 19 and the circular hoisting plate 20, etc., provide additional support, enhance the stability and reliability of the equipment, the design of the fixing block 24 ensures the stability of the connection structure of the conductive tube 22, reduces loosening or damage caused by vibration or other external forces, and the modular design allows the equipment to be flexibly configured according to different application scenarios and needs, thereby improving the adaptability of the equipment.

[0041] The above embodiments are only used to illustrate the technical method of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the present invention.

Claims

1. An installation tool for an immersed electric submersible oil pump, applied to an electric submersible oil pump (1) and an installation hole for installing the electric submersible oil pump (1), characterized in that: include: Several groups of lifting pipe structures (2) detachably connected to the electric-driven submersible oil pumps (1) and an installation mechanism for installing the electric-driven submersible oil pumps (1) and the lifting pipe structures (2); The mounting mechanism comprises a cylinder protection sleeve (3) which is detachably fixed in the mounting hole and protects the electric submersible pump (1) and the lifting tube structure (2), and a plurality of guide structures (4) which are detachably arranged on the outer wall of the lifting tube structure (2); The installation mechanism further comprises a first hoisting structure (5) arranged outside the installation hole and used to hoist and install the electric-driven submersible pump (1), and a second hoisting structure (6) used to hoist and install the lifting pipe structure (2).

2. The installation tool for an immersion-type electric submersible pump according to claim 1, characterized in that: The mounting mechanism further comprises a plurality of groups of bottom connecting sleeves (7) that can be assembled with each other; The bottom end of the electric submersible pump (1) is detachably fixed to the bottom connecting sleeve (7); The bottom connecting sleeve (7) can be installed inside the cylinder protective sleeve (3).

3. The installation tool for an immersion-type electric submersible pump according to claim 2, characterized in that: The first hoisting structure (5) comprises a support kit (8) detachably mounted on the upper portion of the outer wall of the electric submersible pump (1) and a support frame (9) detachably supported on the upper end of the cylinder protective sleeve (3) and connected to the support kit (8); The top end of the electrically driven submersible pump (1) and the bottom end of the lifting tube structure (2) are detachably fixed; The outer wall of the electric submersible pump (1) and the inner wall of the support kit (8) are fitted and limited.

4. The installation tool for an immersion-type electric submersible pump according to claim 3, characterized in that: The lifting tube structure (2) extends above the ground and is equipped with an external structure (10); The mounting mechanism further comprises an external ring cover (11) detachably fixed to the upper end of the external structure (10) and a position-limiting support structure (12) detachably arranged at the upper end of the external ring cover (11) and position-limitingly connected to the second hoisting structure (6).

5. The installation tool for an immersion-type electric submersible pump according to claim 4, characterized in that: The second lifting structure (6) comprises a lifting block (13) detachably fixed to the outside of the lifting tube structure (2) and a lifting ring (14) detachably mounted on the upper end of the lifting block (13) and used to lift the lifting tube structure (2); The hoisting block (13) is supported and connected to the position-limiting support structure (12).

6. The installation tool for an immersible electric submersible pump according to claim 5, characterized in that: The position-limiting support structure (12) comprises a position-limiting support frame (15) detachably mounted on the upper end of the external ring cover (11) and a support block (16) symmetrically arranged on the position-limiting support frame (15) and used to support the lifting block (13); Wherein, first mounting members (17) fixedly connected to the external ring cover (11) are provided on both sides of the outer surface of the position limiting support frame (15); A second mounting member (18) vertically connected to the bottom of the support block (16) is symmetrically provided on the position-limiting support frame (15).

7. The installation tool for an immersible electric submersible pump according to claim 6, characterized in that: The mounting mechanism further comprises a plurality of support rods (19) vertically mounted on the upper end of the external ring cover (11) and arranged on the outside of the position limiting support frame (15), and a circular hanging plate (20) detachably fixed to the top end of the support rods (19); Wherein, the circular hanging plate (20) is provided with a through hole matching the hanging block (13); The upper end surface of the circular hanging plate (20) is provided with a plurality of groups of hanging ears (21) in a circular array.

8. The installation tool for an immersible electric submersible pump according to claim 7, characterized in that: The uppermost pulling tube structure (2) passes through the external connection structure (10) and is detachably mounted with a conductive tube connection structure (22); When the position-limiting support structure (12) is detachably mounted on the upper end of the circular hanging plate (20), the support block (16) on the position-limiting support structure (12) can support and limit the conductive tube connection structure (22).

9. The installation tool for an immersible electric submersible pump according to claim 8, characterized in that: The installation mechanism also includes an installation tray (23) that can be fixedly connected to each other and limitedly connected to the outer wall of the conductive tube connection structure (22); Wherein, the mounting tray (23) is arranged above the support block (16); A through slot corresponding to the conductive tube connection structure (22) is provided at the center of the mounting tray (23); The upper end surface of the mounting tray (23) is symmetrically provided with fixing blocks (24) for fixing each other and enabling hoisting.

10. A method for installing a submersible electric submersible pump, characterized in that: The installation tool for an immersible electric submersible pump according to any one of claims 1 to 9 comprises the following specific steps: Step A: Fix the cylinder protective cover (3) into the installation hole, assemble several groups of bottom connecting sleeves (7) together and fix them to the electric submersible pump (1), and hoist the electric submersible pump (1) into the cylinder protective cover (3); Step B: placing the first hoisting structure (5) on the cylinder protective cover (3) to fix the electric-driven submersible pump (1), fixing the lifting pipe structure (2) to the electric-driven submersible pump (1), and positioning and hoisting the lifting pipe structure (2) through the guide structure (4); Step C: Install the external structure (10) to the upper end of the cylinder protective cover (3), fix the limiting support structure (12) to the external structure (10) through the external ring cover (11), and make the second lifting structure (6) lift the plurality of lifting tube structures (2) in sequence; Step D: After the lifting tube structure (2) is hoisted, the support rod (19) and the circular lifting plate (20) are installed on the external structure (10) and arranged on the outside of the limiting support structure (12), and the conductive tube connecting structure (22) is fixedly installed with the lifting tube structure (2); Step E: Assembling the mounting tray (23) to the outside of the conductive tube connection structure (22), and hoisting the conductive tube connection structure (22) through the fixing block (24); Step F: Fix the circular hanging plate (20) to the conductive tube connection structure (22), remove the position-limiting support structure (12) and the support rod (19), and fix the conductive tube connection structure (22) to the external structure (10) through the circular hanging plate (20).

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