Connecting shaft type intelligent in-place steel wire power cable heavy load take-up and pay-off machine

Abstract

The invention discloses a connecting shaft type intelligent in-place steel wire power cable heavy load take-up and pay-off machine which comprises a frame set and an equipment set arranged in the frame set. The frame group comprises a left frame and a right frame; and the equipment group comprises an explosion-proof frequency converter and a roller which are arranged in the left frame, and a motor and a planetary reducer which are arranged in the right frame. 30t heavy load application can be realized through the planetary reducer, and the weight of the whole equipment is reduced through the planetary reducer; through three-stage brake protection, the safety of wellhead personnel during product operation is realized; through the design of a left-right split type, the middle part is fixed through a universal coupling, and the weight of a single body is less than 5t, so that container shipping and unmanned platform small crane hoisting are facilitated; a gradienter with rays is installed at the position of a base of the left frame, the right driving frame is hoisted to assist in seating and positioning on site through rays of the gradienter with the rays, and on-site in-place construction is facilitated.

Description

Technical Field

[0001] The invention belongs to the field of artificial lifting, and in particular relates to a shaft-connected intelligent in-place steel wire power cable heavy-load retracting and unreeling machine. Background Art

[0002] In the artificial lifting industry, the use of steel wire power cable casting and fishing can greatly increase the speed of the submersible electric pump into the well and the speed of lifting the well. The steel wire power cable is used to suspend the weight of the entire unit. The whole operation process does not require the intervention of the well repair machine, which reduces the well repair cost. The conventional retractor has a low load-bearing capacity. At the same time, the conventional retractor generally has only one or two brake protections, which cannot meet the requirements of power cable casting and fishing to ensure the intrinsic safety of the wellhead; the conventional retractor with a capacity of more than 30t is large in size and cannot meet the needs of container shipping. On unmanned platforms, due to the heavy weight of the retractor, it is inconvenient to hoist; for some platforms that cannot be welded and fixed with bolts, conventional retractors are inconvenient to operate and difficult to fix. Summary of the invention

[0003] The present invention is proposed to solve the problems existing in the prior art, and its purpose is to provide a shaft-connected intelligent in-place steel wire power cable heavy-load retracting and unreeling machine.

[0004] The present invention is achieved through the following technical solutions:

[0005] A shaft-connected intelligent in-place heavy-load winding and unwinding machine for steel wire power cables comprises a frame group and an equipment group arranged inside the frame group; the frame group comprises a left frame and a right frame; the equipment group comprises an explosion-proof frequency converter and a drum arranged in the left frame, and a motor and a planetary reducer arranged in the right frame; a drum-type high-speed shaft brake is sleeved on the outside of the output shaft of the motor, and the output shaft of the motor is connected to the input end of the planetary reducer after passing through the drum-type high-speed shaft brake, a brake disc is arranged at the output end of the planetary reducer, and a brake caliper is arranged on the side of the brake disc; the output shaft of the planetary reducer is connected to the end of the drum, and the other end of the drum is connected to the explosion-proof frequency converter; a cable arranger, a hydraulic cylinder and a stepper motor are arranged on the frame body of the left frame, the piston rod of the hydraulic cylinder is connected to the notch side wall of the cable arranger, the output shaft of the stepper motor is connected to the screw assembly, and the screw assembly is connected to the bottom end of the cable arranger.

[0006] In the above technical solution, a torque sensor is arranged at the connection between the output shaft of the motor and the planetary reducer, and the torque sensor is arranged on the output shaft of the motor between the planetary reducer and the drum high-speed shaft brake.

[0007] In the above technical solution, the cable arranger is arranged at a position corresponding to the cylindrical surface of the drum.

[0008] In the above technical solution, the drum consists of a cylindrical winding part and a disc-shaped limiting part arranged at both ends of the winding part. The winding part and the limiting part are coaxially arranged, and the outer diameter of the limiting part is larger than the outer diameter of the winding part. A plurality of brake grooves evenly distributed along the circumference are formed on the limiting part close to the explosion-proof inverter.

[0009] In the above technical solution, a pin with a hydraulic cylinder inserted and a photoelectric sensor are arranged at the bottom of the left frame body, and the two are arranged coaxially; the pin with a hydraulic cylinder inserted can be inserted into the brake groove.

[0010] In the above technical solution, hanging points are provided at the octagons of the left frame and the right frame.

[0011] In the above technical solution, the top beam of the left frame and the side beam of the left frame close to the right frame are both configured as detachable beams.

[0012] In the above technical solution, a radiation level is provided on the outer side of the base of the left frame.

[0013] The beneficial effects of the present invention are:

[0014] The present invention provides a coupled-axis intelligent in-place heavy-load retractable and retractable steel wire power cable, which can achieve 30t heavy-load application through a planetary reducer, and reduce the overall equipment weight through the planetary reducer; the intrinsic safety of wellhead personnel during product operation is achieved through three-level brake protection; it is designed to be split left and right, and the middle part is fixed by a universal coupling, and the weight of a single unit is less than 5t, which is convenient for container shipping and lifting by small cranes on unmanned platforms; a ray level is installed at the base of the left frame, and the ray of the ray level is used on site to perform lifting-assisted seating positioning on the right drive frame, which is convenient for on-site in-place construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the present invention;

[0016] in:

[0017] 1. Left frame; 2. Right frame; 3. Level gauge with ray; 4. Lifting point; 5. Explosion-proof inverter; 6. Roller; 7. Motor; 8. Planetary reducer; 9. Torque sensor; 10. Brake disc; 11. Brake caliper; 12. Drum high-speed shaft brake; 13. Cable arranger; 14. Hydraulic cylinder; 15. Stepper motor; 16. Screw assembly; 17. Insert pin with hydraulic cylinder; 18. Photoelectric sensor; 19. Brake groove.

[0018] For ordinary technicians in this field, other relevant drawings can be obtained based on the above drawings without any creative work. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0020] like Figure 1 As shown, a shaft-connected intelligent in-place steel wire power cable heavy-load retracting and unreeling machine includes a frame group and a device group arranged inside the frame group; the frame group includes a left frame 1 and a right frame 2; the device group includes an explosion-proof inverter 5 and a roller 6 arranged in the left frame 1, and a motor 7 and a planetary reducer 8 arranged in the right frame 2;

[0021] The output shaft of the motor 7 is sleeved with a drum-type high-speed shaft brake 12, and the output shaft of the motor 7 is connected to the input end of the planetary reducer 8 after passing through the drum-type high-speed shaft brake 12. The output end of the planetary reducer 8 is fixed with a brake disc 10, and a brake caliper 11 is arranged beside the brake disc 10; a torque sensor 9 is arranged at the connection between the output shaft of the motor 7 and the planetary reducer 8, and the torque sensor 9 is arranged on the motor output shaft between the planetary reducer 8 and the drum-type high-speed shaft brake 12;

[0022] The drum 6 is installed in the left frame 1 through a bracket, and a connecting shaft is provided on the right frame side end surface of the drum 6, and the connecting shaft is connected to the output shaft of the planetary reducer 8 through a universal coupling;

[0023] A cable arranger 13 is provided on the frame of the left frame 1, and the cable arranger 13 is provided at a position corresponding to the cylindrical surface of the drum 6; the cable arranger 13 is a commercially available product, and this embodiment adopts a P series reciprocating screw cable arranger of Yueyang Kailixin Electric Co., Ltd.;

[0024] A stepper motor 15 is disposed on the frame of the left frame 1, and the output shaft of the stepper motor 15 is connected to a screw assembly 16, and the screw assembly 16 is connected to the bottom end of the cable arranger 13 to achieve horizontal movement of the cable arranger 13;

[0025] A hydraulic cylinder 14 is provided on the frame of the left frame 1, and a piston rod of the hydraulic cylinder 14 is connected to the side wall of the notch of the cable arranger 13, and the hydraulic cylinder 14 controls the expansion or contraction of the notch of the cable arranger 13;

[0026] The drum 6 is composed of a cylindrical winding part and disc-shaped limiting parts arranged at both ends of the winding part. The winding part and the limiting part are coaxially arranged, and the outer diameter of the limiting part is larger than the outer diameter of the winding part. A plurality of brake grooves 19 evenly distributed along the circumference are formed on the limiting part close to the explosion-proof inverter 5.

[0027] The bottom of the left frame 1 is provided with a hydraulic cylinder insertion pin 17 and a photoelectric sensor 18, and the two are coaxially arranged; the hydraulic cylinder insertion pin 17 can be inserted into the brake groove 19, and when the drum high-speed shaft brake 12 and the brake caliper 11 are started, the photoelectric sensor 18 detects that the brake groove 19 runs to the front of the hydraulic cylinder insertion pin 17, and the insertion pin is started to realize the three-level parking;

[0028] The octagonal parts of the left frame 1 and the right frame 2 are provided with lifting points 4, which are convenient for lifting the device. On platforms where welding and bolting are inconvenient, lifting belts are used for oblique fixing;

[0029] The top beam of the left frame 1 and the side beam of the left frame 1 close to the right frame 2 are both configured as detachable beams to facilitate installation of equipment components into the frame;

[0030] A radiation level 3 is arranged on the outside of the base of the left frame 1. The radiation of the radiation level 3 is used to assist the lifting and seating of the right frame 2 on site, which is convenient for on-site construction.

[0031] Method of use of the present invention:

[0032] Three-level brake protection: The explosion-proof inverter is connected with the motor and planetary reducer, and a drum high-speed shaft brake is installed at the output shaft position to achieve the first-level brake. The brake caliper is installed next to the brake disc to achieve the second-level brake. When the drum high-speed shaft brake and the brake caliper brake are started, the photoelectric sensor detects that the brake groove runs to the front of the hydraulic cylinder insertion pin, and the insertion pin is started to achieve three-level parking;

[0033] Convenient for container transportation and unmanned platform hoisting: the frame is divided into left and right blocks, and the middle part is connected by a universal coupling to achieve left and right level separation. The weight of the single unit of the left and right parts does not exceed 5t;

[0034] Sling oblique fixing: By placing the equipment group inside the frame group, the eight corners of the left and right frames are equipped with lifting points, and a removable beam is set above the frame and in front of the drum, the top sling oblique lifting can be achieved without welding or bolting;

[0035] Automatic cable arrangement, the cable arranger opens automatically: a cable arranger is installed above the frame and in front of the drum, a stepper motor and a lead screw assembly are installed beside the cable arranger, and a hydraulic cylinder is installed on the right side of the cable arranger. The hydraulic cylinder can control the expansion or contraction of the cable arranger notch. When other components or wire rope clamps are fixed on the steel wire cable, the hydraulic cylinder is controlled to expand or contract the cable arranger to ensure smooth operation.

[0036] Reliable braking and weight reduction: By adopting a planetary reducer, a brake disc is installed on the outside of the planetary reducer to ensure that the center of the torque of the brake caliper is exactly on the main shaft of the planetary reducer, the deceleration effect is reliable, the planetary reducer replaces the reduction box, and the weight of the equipment is reduced. The frame is divided into left and right blocks, and the middle part is connected by a universal coupling to achieve left and right two-stage separation. The weight of the left and right parts does not exceed 5t;

[0037] Intelligent positioning: A level with a ray is installed at the base of the left frame. The ray of the level with a ray is used on site to assist in the lifting and seating positioning of the right drive frame, which is convenient for on-site construction.

[0038] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0039] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0040] The applicant declares that the above is only a specific implementation mode of the present invention, but the protection scope of the present invention is not limited thereto. Those skilled in the art should understand that any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present invention shall fall within the protection scope and disclosure scope of the present invention.

Claims

1. A shaft-connected intelligent in-place steel wire power cable heavy-load retracting and unreeling machine, characterized in that: The invention comprises a frame group and an equipment group arranged inside the frame group; the frame group comprises a left frame (1) and a right frame (2); the equipment group comprises an explosion-proof frequency converter (5) and a roller (6) arranged in the left frame (1), and a motor (7) and a planetary reducer (8) arranged in the right frame (2); a drum-type high-speed shaft brake (12) is sleeved on the outside of the output shaft of the motor (7); the output shaft of the motor (7) passes through the drum-type high-speed shaft brake (12) and is connected to the input end of the planetary reducer (8); the output end of the planetary reducer (8) is provided with a A brake disc (10) is arranged, and a brake caliper (11) is arranged beside the brake disc (10); the output shaft of the planetary reducer (8) is connected to a connecting shaft fixed to the side end surface of the right frame of the drum (6) through a universal coupling; a cable arranger (13), a hydraulic cylinder (14) and a stepper motor (15) are arranged on the frame body of the left frame (1), and the piston rod of the hydraulic cylinder (14) is connected to the notch side wall of the cable arranger (13); the output shaft of the stepper motor (15) is connected to a screw rod assembly (16), and the screw rod assembly (16) is connected to the bottom end of the cable arranger (13).

2. The shaft-connected intelligent in-place steel wire power cable heavy-load retracting and unreeling machine according to claim 1 is characterized in that: A torque sensor (9) is arranged at the connection between the output shaft of the motor (7) and the planetary reducer (8), and the torque sensor (9) is arranged on the output shaft of the motor between the planetary reducer (8) and the drum-type high-speed shaft brake (12).

3. The coupled-axis intelligent in-place steel wire power cable heavy-load retracting and unreeling machine according to claim 1 is characterized in that: The cable arranger (13) is arranged at a position corresponding to the cylindrical surface of the drum (6).

4. The shaft-connected intelligent in-place steel wire power cable heavy-load retracting and unreeling machine according to claim 1 is characterized in that: The roller (6) comprises a cylindrical winding portion and disc-shaped limiting portions arranged at both ends of the winding portion. The winding portion and the limiting portion are coaxially arranged, and the outer diameter of the limiting portion is larger than the outer diameter of the winding portion. A plurality of brake grooves (19) evenly distributed along the circumference are formed on the limiting portion close to the explosion-proof inverter (5).

5. The coupled-axis intelligent in-place steel wire power cable heavy-load retracting and unreeling machine according to claim 1 is characterized in that: The bottom of the left frame (1) is provided with a hydraulic cylinder insertion pin (17) and a photoelectric sensor (18), and the two are coaxially arranged; the hydraulic cylinder insertion pin (17) can be inserted into the brake groove (19).

6. The shaft-connected intelligent in-place steel wire power cable heavy-load retracting and unreeling machine according to claim 1 is characterized in that: The octagonal portions of the left frame (1) and the right frame (2) are both provided with hanging points (4).

7. The shaft-connected intelligent in-place steel wire power cable heavy-load retracting and unreeling machine according to claim 1 is characterized in that: The top beam of the left frame (1) and the side beam of the left frame (1) close to the right frame (2) are both arranged to be detachable beams.

8. The coupled-axis intelligent in-place steel wire power cable heavy-load retracting and unreeling machine according to claim 1 is characterized in that: A ray level (3) is arranged on the outer side of the base of the left frame (1).

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