Parallel high-strength waterproof submersible pump cable

Abstract

The utility model relates to the technical field of cables, and discloses a parallel type high-strength waterproof submersible pump cable, which comprises an integrated sheath and a submersible pump body, four groups of copper conductors are arranged in the integrated sheath side by side, the outer sides of the copper conductors are all wrapped with XLPE insulating sleeves, and the submersible pump body is arranged in the integrated sheath. Steel wire ropes are arranged on the left side and the right side of the copper conductor in the integrated sheath, lock catches are arranged at the lower ends of the steel wire ropes, hanging rings are fixedly connected to the positions, close to the left side and the right side, of the upper end of the submersible pump body, and the lock catches and the hanging rings are connected in a buckled mode. The integrated sheath is provided with a wave-shaped cable at a position close to the lower side. The steel wire ropes on the two sides bear main gravity, the tensile strength of the cable is improved, copper conductors are prevented from bearing loads, the sealing performance is guaranteed through the design of the wave-shaped cable, meanwhile, the submersible pump body is limited to be prevented from directly colliding with the well wall to be damaged, and abrasion caused by the fact that an integrated sheath and other structures make contact with the well wall is also avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a parallel high-strength waterproof submersible pump cable. Background Art

[0002] In the existing submersible pump cable technology, there are generally problems such as insufficient tensile strength, easily damaged insulation safety, and insufficient consideration of convenience and safety during installation and use. Traditional submersible pump cables mostly use a single copper conductor and insulation layer structure, which directly bears the weight of the submersible pump and various forces during operation. This causes the cable to be easily damaged due to gravity, vibration and environmental factors (such as rock friction and temperature changes in deep wells) during use, which in turn affects the insulation performance and service life of the cable. In addition, the connection between the cable and the submersible pump body is often repeatedly stressed due to vibration during operation, resulting in a decrease in sealing and an increased risk of water seepage.

[0003] During installation and use, traditional cables usually require additional ropes or brackets to support the submersible pump body, which not only increases the complexity of installation, but also may introduce additional safety risks during the installation process. At the same time, when the submersible pump is lowered to the bottom of the deep well, if there is no effective limiting measure, the submersible pump body is prone to collide with the well wall due to inertia, causing damage or affecting the sealing performance. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a parallel high-strength waterproof submersible pump cable, which has the advantages of improving tensile strength and enhancing insulation safety, and solves the deficiencies in the prior art.

[0005] The utility model provides the following technical solutions: a parallel high-strength waterproof submersible pump cable, comprising an integrated sheath and a submersible pump body, four groups of copper conductors are arranged side by side inside the integrated sheath, the outer sides of the copper conductors are wrapped with XLPE insulating sleeves, steel wire ropes are arranged on the left and right sides of the copper conductor inside the integrated sheath, and locking buckles are arranged at the lower ends of the steel wire ropes, the upper end of the submersible pump body is fixedly connected with lifting rings near the left and right sides, and the locking buckles and the lifting rings are snap-connected, the integrated sheath is provided with a wavy cable near the lower side, the wavy cable is composed of four groups of copper conductors, an XLPE insulating sleeve and an integrated sheath, the outer side of the integrated sheath is fixedly sleeved with a fixed sleeve at the upper side of the wavy cable, and the steel wire rope is separated from the wavy cable at the lower side of the fixed sleeve.

[0006] Furthermore, both front and rear ends of the fixing sleeve are fixedly connected with threaded seats at diagonally opposite corners, and threaded rods are penetrated and threadedly connected inside the threaded seats.

[0007] Furthermore, a hydraulic rod is fixedly mounted on one end of the threaded rod close to the threaded seat, and a knob is fixedly connected to one end of the threaded rod away from the hydraulic rod.

[0008] Furthermore, the output ends of the hydraulic rods are fixedly connected to fixed rods, the other ends of the fixed rods are slidably installed with extension rods, anti-collision springs are arranged between the inside of the fixed rods and the extension rods, and the other ends of the extension rods are fixedly installed with universal wheels.

[0009] Furthermore, the front and rear ends of the fixing sleeve are fixedly connected to the limiting pieces at positions symmetrical to the threaded seat, and the threaded rod passes through the interior of the limiting piece.

[0010] Furthermore, the one-piece sheath is formed by extrusion of LLDPE material.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. When in use, the cable is laid vertically in a deep well, and the steel wire ropes on both sides bear the main gravity, which greatly improves the tensile strength of the cable and prevents the copper conductor and XLPE insulating sleeve from being damaged by force, affecting the service life and insulation safety. At the same time, through the design of the wavy cable line, the connection between the cable and the submersible pump body will not be repeatedly pulled due to the vibration force during operation, affecting the sealing. The submersible pump body is suspended by steel wire ropes to avoid the copper conductor bearing weight, which greatly improves the safety and service life of the cable when in use.

[0013] 2. The submersible pump body can be directly suspended by a steel wire rope without the need to install other suspension rope structures. It is simple and quick. When the steel wire rope shakes due to other factors, the universal wheel will first contact the inner wall of the deep well, thereby limiting the submersible pump body to prevent it from directly colliding with the well wall and causing damage. It also avoids wear and tear caused by contact between the integrated sheath and the well wall. Through the design of the extension rod and the anti-collision spring, the universal wheel can be buffered and unloaded when it collides with the well wall, avoiding the submersible pump body from suddenly falling after swinging under the action of inertia. By opening the hydraulic rod, the fixing rod can be further extended outward, so that the universal wheel is pressed against the well wall to fix it. The anti-collision spring plays a certain shock-absorbing role, which is beneficial to the sealing of the connection between the submersible pump body and the water pipe and the wavy cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of a partial connection structure of the utility model;

[0016] Figure 3For the utility model Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0017] In the figure: 1. integrated sheath; 2. copper conductor; 3. XLPE insulating sheath; 4. steel wire rope; 5. locking buckle; 6. submersible pump body; 7. lifting ring; 8. wavy cable; 9. fixing sleeve; 10. threaded seat; 11. threaded rod; 12. hydraulic rod; 13. fixing rod; 14. extension rod; 15. anti-collision spring; 16. universal wheel; 17. limiter; 18. knob. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-Figure 3A parallel high-strength waterproof submersible pump cable comprises an integrated sheath 1 and a submersible pump body 6. Four groups of copper conductors 2 are arranged side by side inside the integrated sheath 1. The outer sides of the copper conductors 2 are wrapped with XLPE insulating sheaths 3. Steel wire ropes 4 are arranged on the left and right sides of the copper conductors 2 inside the integrated sheath 1. Lock buckles 5 are arranged at the lower ends of the steel wire ropes 4. The upper ends of the submersible pump body 6 are fixedly connected with lifting rings 7 near the left and right sides. The lock buckles 5 and the lifting rings 7 are snap-connected. A wavy cable line 8 is arranged near the lower side of the integrated sheath 1. The wavy cable line 8 consists of four groups of copper The conductor 2, the XLPE insulating sleeve 3 and the integrated sheath 1 are composed. The outer side of the integrated sheath 1 is fixedly connected with a fixed sleeve 9 at the upper side of the wavy cable line 8. The steel wire rope 4 is separated from the wavy cable line 8 at the lower side of the fixed sleeve 9. The parallel high-strength waterproof submersible pump cable is composed of a copper conductor 2, a steel wire rope 4 and an XLPE insulating sleeve 3. At the same time, the integrated sheath 1 is composed of four groups of copper conductors 2, XLPE insulating sleeves 3 and steel wire ropes 4 wrapped on the outer side thereof, arranged side by side. After passing through the positioning mold, it enters the extruder for extrusion molding. The use of this extruded integrated sheath 1 can make The gap between the inside and the copper conductor 2 and the XLPE insulating sleeve 3 is completely filled, which is conducive to providing good waterproof performance during underwater operations. In addition, talcum powder is coated on the surface of the XLPE insulating sleeve 3 to avoid the integrated sheath 1 and the XLPE insulating sleeve 3 from sticking to each other during long-term use. When in use, the cable is vertically laid in a deep well, and the steel wire ropes 4 on both sides bear the main gravity, which greatly improves the tensile strength of the cable and prevents the copper conductor 2 and the XLPE insulating sleeve 3 from being damaged by force, affecting the service life and insulation safety. At the same time, through the design of the wavy cable line 8, The connection between the cable and the submersible pump body 6 will not be repeatedly pulled due to the vibration force during operation, thereby affecting the sealing. It is worth noting that the wavy cable 8 actually has a sufficient length between the submersible pump body 6 and will not be straightened due to gravity. It is not a wavy fixed structure. The submersible pump body 6 is suspended by the steel wire rope 4, which avoids the load-bearing of the copper conductor 2, greatly improving the safety and service life of the cable during use. The fixing sleeve 9 prevents the steel wire rope 4 on both sides from being pulled apart from the integrated sheath 1 due to tension, thereby ensuring the rationality of the structure.

[0020] See also Figure 2, the front and rear ends of the fixing sleeve 9 are fixedly connected with threaded seats 10 at diagonal positions, the interior of the threaded seats 10 is penetrated and threadedly connected with threaded rods 11, the end of the threaded rod 11 close to the threaded seat 10 is fixedly installed with a hydraulic rod 12, the end of the threaded rod 11 away from the hydraulic rod 12 is fixedly connected with a knob 18, the output end of the hydraulic rod 12 is fixedly connected with a fixing rod 13, and the other end of the fixing rod 13 is slidably installed with an extension rod 14, an anti-collision spring 15 is arranged between the interior of the fixing rod 13 and the extension rod 14, and a universal wheel 16 is fixedly installed at the other end of the extension rod 14, and the threaded rod 11 can be driven to move by rotating the knob 18, so as to adjust the output distance of the universal wheel 16, which is suitable for deep well operations of different diameters and is more practical. When it is close to the inner wall of the deep well, therefore, it can be used in the process below the submersible pump body 6. It can be directly suspended by the wire rope 4 without installing other suspension rope structures. It is simple and quick. When the wire rope 4 shakes due to other factors, the universal wheel 16 will preferentially contact the inner wall of the deep well, thereby limiting the submersible pump body 6 to prevent it from directly colliding with the well wall and causing damage. It also avoids the wear and tear caused by the contact between the integrated sheath 1 and the well wall. Through the design of the extension rod 14 and the anti-collision spring 15, the universal wheel 16 can be buffered and unloaded when it collides with the well wall, avoiding the submersible pump body 6 from suddenly falling after swinging under the action of inertia. By opening the hydraulic rod 12, the fixing rod 13 can be further extended outward, so that the universal wheel 16 is pressed against the well wall to fix it. The anti-collision spring 15 plays a certain shock-absorbing role, which is beneficial to the sealing of the connection between the submersible pump body 6 and the water pipe and the wavy cable 8.

[0021] See also Figure 2 The front and rear ends of the fixing sleeve 9 are fixedly connected to the limiting members 17 symmetrically to the threaded seat 10, and the threaded rod 11 passes through the interior of the limiting member 17. The threaded rod 11 is further supported and limited by the limiting member 17, thereby improving the structural strength of the threaded rod 11 and ensuring the rationality of the structural design.

[0022] See also Figure 3 The integrated sheath 1 is extruded from LLDPE material, i.e. linear low-density polyethylene resin is known as the third generation polyethylene. In addition to the properties of general polyolefin resins, its tensile strength, tear strength, environmental stress cracking resistance, low temperature resistance, heat resistance and puncture resistance are particularly superior. Compared with traditional rubber products, the resistance and strength of the integrated sheath 1 are improved, and the safety of the copper conductor 2 is ensured.

[0023] Working principle: This parallel high-strength waterproof submersible pump cable is composed of a copper conductor 2, a steel wire rope 4 and an XLPE insulating sheath 3. At the same time, the integrated sheath 1 is composed of four groups of copper conductors 2, and the XLPE insulating sheath 3 and the steel wire rope 4 wrapped on the outside thereof are arranged side by side. After passing through the positioning mold, it enters the extruder for extrusion molding. The use of this extruded integrated sheath 1 can completely fill the gap between the inside of the copper conductor 2 and the XLPE insulating sheath 3, which is conducive to providing good waterproof performance during underwater operations. In addition, the surface of the XLPE insulating sheath 3 is coated with talcum powder to avoid the integrated sheath 1 and the XLPE insulating sheath 3 from sticking to each other during long-term use. When in use, the cable is laid vertically in a deep well, and the steel wire ropes 4 on both sides bear the main gravity, which greatly improves the tensile strength of the cable and prevents the copper conductor 2 and the XLPE insulating sleeve 3 from being damaged by force, affecting the service life and insulation safety. At the same time, through the design of the wavy cable line 8, the connection between the cable and the submersible pump body 6 will not be repeatedly pulled due to the vibration force during operation, thereby affecting the sealing. It is worth noting that the wavy cable line 8 actually has enough length between the submersible pump body 6 and will not be straightened due to gravity. It is not a wavy fixed structure. The submersible pump body 6 is suspended by the steel wire rope 4, which avoids the copper conductor 2 The load-bearing function greatly improves the safety and service life of the cable when in use. Furthermore, the fixing sleeve 9 prevents the steel wire ropes 4 on both sides from being torn apart from the integrated sheath 1 due to tension, thereby ensuring the rationality of the structure. At the same time, the threaded rod 11 can be driven to move by turning the knob 18, so as to adjust the output distance of the universal wheel 16, which is suitable for deep well operations of different diameters and is more practical. When it is close to the inner wall of the deep well, it can be directly suspended by the steel wire rope 4 under the submersible pump body 6 without installing other suspension rope structures. It is simple and quick, and when the steel wire rope 4 is shaken by other factors, the universal wheel 16 will give priority to it. The inner wall of the deep well is contacted, thereby limiting the position of the submersible pump body 6 to prevent it from directly colliding with the well wall and causing damage. At the same time, it also prevents the integrated sheath 1 and other structures from contacting the well wall and causing wear. Through the design of the extension rod 14 and the anti-collision spring 15, the universal wheel 16 can be buffered and unloaded when it collides with the well wall, avoiding the submersible pump body 6 from suddenly falling after swinging under the action of inertia. By opening the hydraulic rod 12, the fixing rod 13 can be further extended outward, so that the universal wheel 16 is pressed against the well wall to play a fixing role. The anti-collision spring 15 plays a certain shock-absorbing role, which is beneficial to the sealing of the connection between the submersible pump body 6 and the water pipe and the wavy cable 8.

Claims

1. A parallel high-strength waterproof submersible pump cable, comprising an integrated sheath (1) and a submersible pump body (6), characterized in that: Four groups of copper conductors (2) are arranged side by side inside the integrated sheath (1), and the outer sides of the copper conductors (2) are wrapped with XLPE insulating sheaths (3). Steel wire ropes (4) are arranged on the left and right sides of the copper conductors (2) inside the integrated sheath (1), and the lower ends of the steel wire ropes (4) are arranged with lock buckles (5). The upper ends of the submersible pump body (6) are fixedly connected with lifting rings (7) near the left and right sides, and the lock buckles (5) and the lifting rings (7) are snap-connected. A wavy cable (8) is arranged near the lower side of the integrated sheath (1), and the wavy cable (8) is composed of four groups of copper conductors (2), XLPE insulating sheaths (3) and the integrated sheath (1). A fixing sheath (9) is fixedly connected to the upper side of the wavy cable (8) on the outer side of the integrated sheath (1), and the steel wire rope (4) is separated from the wavy cable (8) at the lower side of the fixing sheath (9).

2. A parallel high-strength waterproof submersible pump cable according to claim 1, characterized in that: The front and rear ends of the fixing sleeve (9) are fixedly connected to threaded seats (10) at diagonally opposite corners, and threaded rods (11) are passed through and threadedly connected to the interior of the threaded seats (10).

3. A parallel high-strength waterproof submersible pump cable according to claim 2, characterized in that: A hydraulic rod (12) is fixedly mounted on one end of the threaded rod (11) close to the threaded seat (10), and a knob (18) is fixedly connected to one end of the threaded rod (11) away from the hydraulic rod (12).

4. A parallel high-strength waterproof submersible pump cable according to claim 3, characterized in that: The output ends of the hydraulic rods (12) are fixedly connected to fixed rods (13), the other ends of the fixed rods (13) are slidably mounted with extension rods (14), an anti-collision spring (15) is arranged between the interior of the fixed rods (13) and the extension rods (14), and the other ends of the extension rods (14) are fixedly mounted with universal wheels (16).

5. A parallel high-strength waterproof submersible pump cable according to claim 2, characterized in that: The front and rear ends of the fixing sleeve (9) are fixedly connected to the limiting piece (17) at positions symmetrical to the threaded seat (10), and the threaded rod (11) passes through the interior of the limiting piece (17).

6. A parallel high-strength waterproof submersible pump cable according to claim 1, characterized in that: The one-piece protective sheath (1) is formed by extrusion of LLDPE material.

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