Hoisting tool for offshore wind power jacket

Abstract

The utility model discloses a hoisting tool for an offshore wind power jacket, which relates to the technical field of hoisting and comprises a steel wire rope for hoisting and a jacket, a detection unit for detecting the hoisting weight is mounted at the lower end of the steel wire rope, and a hoisting unit for protecting the steel wire rope is mounted at the lower end of the detection unit. Lifting rings are arranged on the upper surface of the jacket and connected with the lifting unit. The hoisting device has the beneficial effects that during hoisting, a first sliding rod, a movable plate and a second sliding rod are used for driving a sealing piston assembly to extrude hydraulic oil in a hydraulic cavity, a first spring and a second spring are compressed through the movable plate, and the acting force of the hydraulic oil, the first spring and the second spring on the hoisting moment is used for slowing down and resisting; therefore, acting force borne by the steel wire rope at the moment of hoisting or during hoisting speed adjustment is reduced, the steel wire rope is protected, the service life of the steel wire rope is prolonged, and safety and stability in the hoisting process are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hoisting, in particular to a hoisting tool for an offshore wind power conduit rack. Background Art

[0002] The conductor frame refers to the combined support structure of wind power equipment, which is composed of an upper steel truss and a plurality of thin piles at the bottom. When installing the conductor frame, the lifting equipment lifts and moves the conductor frame through the lifting tooling.

[0003] After searching, the patent application with Chinese patent publication number CN218579431U discloses a lifting tool for a large-scale offshore wind power conductor frame, which mainly fixes and moves the conductor frame by setting a connecting mechanism and a stabilizing mechanism.

[0004] By comparing with the existing technologies in related fields, it can be seen that the wire rope of the lifting equipment is used to lift the conductor frame through the lifting tooling. During the process of starting lifting and changing the lifting speed, the conductor frame will generate instantaneous force on the lifting wire rope under the action of gravity and inertia of the conductor frame, affecting the service life and lifting stability of the lifting wire rope. Utility Model Content

[0005] The purpose of the utility model is to provide a hoisting tool for an offshore wind power conduit frame in order to solve the above-mentioned problem.

[0006] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0007] A lifting tool for an offshore wind power conductor frame, comprising a steel wire rope for lifting and a conductor frame, wherein a detection unit for detecting the lifting weight is connected to the lower end of the steel wire rope by bolts, and a lifting unit for protecting the steel wire rope is connected to the lower end of the detection unit by bolts, and welding lifting rings are arranged on the upper surface of the conductor frame, and the lifting rings are connected to the lifting unit;

[0008] The lifting unit includes a U-shaped ring, a mounting seat and a first sliding rod. The U-shaped ring is sleeved on the lifting ring. The U-shaped ring is installed on the lower surface of the mounting seat. The upper surface of the mounting seat is connected with a protective seat by bolts. A movable chamber and a hydraulic chamber are arranged in the protective seat. The hydraulic chamber is arranged around the movable chamber. The first sliding rod is slidably connected to the mounting seat. The upper end of the first sliding rod is connected to the detection unit by bolts. The lower end of the first sliding rod is connected to a movable plate by bolts. The movable plate is slidably connected in the movable chamber. A second sliding rod connected by bolts is arranged on the movable plate. The second sliding rod is slidably connected to the protective seat. The end of the second sliding rod located in the hydraulic chamber is connected with a sealing piston assembly by bolts. The sealing piston assembly is slidably connected in the hydraulic chamber.

[0009] Furthermore, a first spring is sleeved on the portion of the first slide rod located in the movable cavity, and a second spring is sleeved on the portion of the second slide rod located in the movable cavity. Both ends of the first spring and the second spring are connected to the protective seat and the movable plate.

[0010] Furthermore, a hydraulic sensor connected by bolts is provided at the inner upper end of the hydraulic chamber.

[0011] Furthermore, a mounting groove is provided on the lower surface of the mounting seat, and through grooves are provided on the mounting seat and the U-shaped ring. The upper end of the U-shaped ring is slidably mounted in the mounting groove on the mounting seat, and bolt assemblies are installed in the through grooves on the mounting seat and the U-shaped ring.

[0012] Furthermore, a limiting unit is provided at the lower end of the U-shaped ring, and the limiting unit includes a sleeve and a screw rod. Two sleeves are obliquely installed on the lower surface of the U-shaped ring, and the two sleeves are arranged in an eight-shape. Adjustment rings are rotatably installed on the lower ends of the two sleeves. The screw rod is installed at the center position of the adjustment ring through threaded fitting. The screw rod is slidably connected in the sleeve. The lower end of the screw rod is connected to a movable block through bolts, and a V-shaped groove is provided on the movable block. The movable block is slidably connected to the lifting ring through the V-shaped groove.

[0013] Furthermore, the detection unit on the first slide bar includes an installation box and a third slide bar. The installation box is installed on the upper end of the first slide bar by bolts. The inner upper surface of the installation box is connected with a pressure sensor by bolts. The third slide bar is slidably installed on the installation box. The upper end of the third slide bar is connected with a connecting seat by bolts. The lower end of the third slide bar is connected with a limit plate by bolts. The limit plate is slidably connected in the installation box. The limit plate is located below the pressure sensor, and the connecting seat is connected to the wire rope by bolts.

[0014] Furthermore, the mounting seat is provided with welded reinforcing ribs, which are surrounded and fixed on the protective seat.

[0015] The beneficial effects compared with the prior art are as follows:

[0016] 1. When the lifting equipment lifts the conductor frame through the steel wire rope, the sealing piston assembly is driven by the first sliding rod, the movable plate and the second sliding rod to squeeze the hydraulic oil in the hydraulic chamber, and the first spring and the second spring are compressed by the movable plate. The elastic force of the squeezed hydraulic oil, the first spring and the second spring is used to slow down and resist the force at the moment of lifting, thereby reducing the force on the steel wire rope at the moment of lifting or adjusting the lifting speed, protecting the steel wire rope, extending the service life of the steel wire rope, and improving the safety and stability during the lifting process.

[0017] 2. The U-shaped ring is limited and supported by the sleeve, adjusting ring, screw rod and movable block, and the U-shaped ring is fixed in the lifting ring, so as to improve the firmness and stability of the connection between the U-shaped ring and the lifting ring, reduce the shaking during the lifting process, and improve the safety during the lifting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a schematic diagram of the first axial structure of a lifting tool for an offshore wind power conductor frame according to the utility model;

[0020] Figure 2 It is a partial structural schematic diagram of a lifting tool for an offshore wind power conduit frame described in the utility model;

[0021] Figure 3 The utility model is a kind of offshore wind power pipe frame lifting tool Figure 2 The enlarged structural diagram at A in the middle;

[0022] Figure 4 It is a schematic diagram of the front cross-sectional structure of a protective seat of a hoisting tool for an offshore wind power conduit frame described in the utility model;

[0023] Figure 5 The utility model is a kind of offshore wind power pipe frame lifting tool Figure 4 The enlarged structural diagram at B in the middle;

[0024] Figure 6 The utility model is a kind of offshore wind power pipe frame lifting tool Figure 4 The enlarged structural diagram at C in the middle;

[0025] Figure 7 It is a schematic diagram of a top view cross-sectional structure of a protective seat of a hoisting tool for an offshore wind power conduit frame described in the utility model;

[0026] Figure 8 The utility model is a schematic diagram of the explosion structure of a mounting seat, a bolt assembly and a U-shaped ring of a lifting tool for an offshore wind power conduit frame.

[0027] The following are the descriptions of the reference numerals:

[0028] 1. Conduit rack; 2. Lifting ring; 301. U-shaped ring; 302. Mounting seat; 303. Bolt assembly; 304. Protective seat; 305. First slide bar; 306. Movable plate; 307. First spring; 308. Second slide bar; 309. Sealing piston assembly; 310. Movable chamber; 311. Hydraulic chamber; 312. Hydraulic sensor; 313. Second spring; 401. Sleeve; 402. Adjusting ring; 403. Screw rod; 404. Movable block; 501. Mounting box; 502. Limiting plate; 503. Third slide bar; 504. Pressure sensor; 505. Connecting seat; 6. Wire rope; 7. Reinforcement ribs. DETAILED DESCRIPTION

[0029] like Figure 1-Figure 8 As shown, a lifting tool for an offshore wind power conduit frame includes a steel wire rope 6 for lifting and a conduit frame 1. The lower end of the steel wire rope 6 is connected with a detection unit for detecting the lifting weight by bolts, and the lower end of the detection unit is connected with a lifting unit for protecting the steel wire rope 6 by bolts. The upper surface of the conduit frame 1 is arranged with welded lifting rings 2, and the lifting rings 2 are connected to the lifting unit. The steel wire rope 6 is installed on the lifting equipment. During lifting, the lifting unit is installed on the lifting ring 2 and fixed. The lifting equipment lifts the conduit frame 1 through the steel wire rope 6, the detection unit, the lifting unit and the lifting ring 2 to complete the mobile installation of the conduit frame 1. During the lifting process, the force applied to the steel wire rope 6 is detected by the detection unit, so that the load-bearing state of the steel wire rope 6 can be understood to improve safety. The force applied to the steel wire rope 6 during lifting or speed change is reduced by the lifting unit, thereby reducing the instantaneous force applied to the steel wire rope 6 and improving safety during lifting.

[0030] like Figure 1-Figure 8As shown, the lifting unit includes a U-shaped ring 301, a mounting seat 302 and a first slide bar 305, the U-shaped ring 301 is sleeved on the lifting ring 2, the U-shaped ring 301 is mounted on the lower surface of the mounting seat 302, the upper surface of the mounting seat 302 is connected with a protective seat 304 by bolts, a movable chamber 310 and a hydraulic chamber 311 are arranged in the protective seat 304, the hydraulic chamber 311 is arranged around the movable chamber 310, the first slide bar 305 is slidably connected to the mounting seat 302, the upper end of the first slide bar 305 is connected to the detection unit by bolts, the lower end of the first slide bar 305 is connected with a movable plate 306 by bolts, the movable plate 306 is slidably connected in the movable chamber 310, a second slide bar 308 connected by bolts is arranged on the movable plate 306, the second slide bar 308 is slidably connected to the protective seat 304, the end of the second slide bar 308 located in the hydraulic chamber 311 is connected with a sealing piston assembly 309 by bolts, and the sealing piston assembly 309 is slidably connected When the guide tube frame 1 is connected to the hydraulic chamber 311, the U-shaped ring 301 is sleeved on the lifting ring 2, and the U-shaped ring 301 is fixedly installed on the mounting seat 302. The mounting seat 302 is connected to the lifting ring 2 on the guide tube frame 1 through the U-shaped ring 301. When the lifting equipment pulls and lifts the first slide bar 305 through the wire rope 6 and the detection unit, the first slide bar 305 drives the movable plate 306 to move in the movable chamber 310, and the movable plate 306 drives the second slide bar 308 to move. The second slide bar 308 drives the sealing piston assembly 309 to move in the hydraulic chamber 311, and the hydraulic oil in the hydraulic chamber 311 is pushed and squeezed by the sealing piston assembly 309. The extruded hydraulic oil is used to slow down and resist the force at the moment of lifting or adjusting the lifting speed, thereby reducing the force on the wire rope 6 at the moment of lifting, protecting the wire rope 6, extending the service life of the wire rope 6, and improving the safety and stability during the lifting process.

[0031] like Figure 4 , Figure 5 As shown, the first spring 307 is sleeved on the part of the first slide bar 305 located in the movable cavity 310, and the second spring 313 is sleeved on the part of the second slide bar 308 located in the movable cavity 310. Both ends of the first spring 307 and the second spring 313 are connected to the protective seat 304 and the movable plate 306. During the lifting process, when the first slide bar 305 drives the second slide bar 308 to move via the movable plate 306, the movable plate 306 compresses the first spring 307 and the second spring 313, thereby buffering the force of the movable plate 306 and protecting the movable plate 306 and the protective seat 304.

[0032] like Figure 5 As shown, a hydraulic sensor 312 connected by bolts is provided at the inner upper end of the hydraulic chamber 311. The pressure in the hydraulic chamber 311 is detected by the hydraulic sensor 312, so that the pressure in the hydraulic chamber 311 can be understood in real time, thereby improving safety.

[0033] like Figure 3 , Figure 8 As shown, a mounting groove is provided on the lower surface of the mounting seat 302, and a through groove is provided on the mounting seat 302 and the U-shaped ring 301. The upper end of the U-shaped ring 301 is slidably installed in the mounting groove on the mounting seat 302, and a bolt assembly 303 is installed in the through grooves on the mounting seat 302 and the U-shaped ring 301. The U-shaped ring 301 can be quickly positioned and installed in the mounting seat 302 through the mounting groove. When the end of the U-shaped ring 301 is slidably installed in the mounting groove on the mounting seat 302, the through groove on the U-shaped ring 301 corresponds to the through groove on the mounting seat 302, and the through groove on the U-shaped ring 301 and the through groove on the mounting seat 302 are both threaded grooves. The bolt assembly 303 is installed in the through grooves on the U-shaped ring 301 and the mounting seat 302, so as to fix the mounting seat 302 and the U-shaped ring 301.

[0034] like Figure 3-Figure 5 As shown, a limiting unit is provided at the lower end of the U-shaped ring 301, and the limiting unit includes a sleeve 401 and a screw rod 403. Two sleeves 401 are obliquely installed on the lower surface of the U-shaped ring 301. The ends of the two sleeves 401 are rotatably connected to the lower surface of the U-shaped ring 301. The two sleeves 401 are arranged in an eight-shaped shape. The lower ends of the two sleeves 401 are rotatably installed with an adjusting ring 402. The screw rod 403 is installed at the center position of the adjusting ring 402 through threaded cooperation. The screw rod 403 is slidably connected in the sleeve 401. The lower end of the screw rod 403 is connected with a movable block 404 through a bolt. The movable block 404 is provided with a V-shaped groove. The movable block 404 is connected to the movable block 404 through the V-shaped groove. The groove is slidably connected to the lifting ring 2. During lifting, the U-shaped ring 301 is hung on the lifting ring 2, and the adjusting ring 402 is rotated to drive the screw rod 403 to move through the adjusting ring 402, and the connection length of the screw rod 403 and the sleeve 401 is adjusted. The movable clamping block 404 is driven by the screw rod 403 to press against the lifting ring 2. Since the two sleeves 401 are in an eight-shaped shape, the U-shaped ring 301 is limited and supported by the sleeve 401, the adjusting ring 402, the screw rod 403 and the movable clamping block 404, and the U-shaped ring 301 is fixed in the lifting ring 2, thereby improving the firmness and stability of the connection between the U-shaped ring 301 and the lifting ring 2, reducing the shaking during the lifting process, and improving the safety during the lifting process.

[0035] like Figure 1 , Figure 2 , Figure 4 , Figure 6As shown, the detection unit on the first slide bar 305 includes an installation box 501 and a third slide bar 503. The installation box 501 is connected to the upper end of the first slide bar 305 by bolts. The inner upper surface of the installation box 501 is connected to a pressure sensor 504 by bolts. The third slide bar 503 is slidably installed on the installation box 501. The upper end of the third slide bar 503 is connected to a connecting seat 505 by bolts. The lower end of the third slide bar 503 is connected to a limiting plate 502 by bolts. The limiting plate 502 is slidably connected in the installation box 501. The limiting plate 504 is connected to the inner upper surface of the installation box 501 by bolts. 02 is located below the pressure sensor 504, and the connecting seat 505 is connected to the wire rope 6 by bolts. During the lifting process, the lifting equipment drives the third sliding bar 503 and the limit plate 502 through the wire rope 6 and the connecting seat 505. The limit plate 502 is pressed tightly against the pressure sensor 504. The force applied by the limit plate 502 to the pressure sensor 504 is the same as the force borne by the wire rope 6. Therefore, the force exerted on the wire rope 6 can be detected during the lifting process, and the state of the wire rope 6 can be detected to improve safety.

[0036] like Figure 2 , Figure 7 , Figure 8 As shown, the mounting seat 302 is provided with welded reinforcing ribs 7 , which are fixed around the protective seat 304 . The reinforcing ribs 7 improve the stability of the protective seat 304 and protect the protective seat 304 .

[0037] Working principle: When lifting the pipe rack 1, Figure 3-Figure 5 , Figure 8 As shown, the U-shaped ring 301 is hung on the lifting ring 2, and the U-shaped ring 301 is installed in the installation groove on the mounting seat 302, and the bolt assembly 303 is installed in the through grooves on the U-shaped ring 301 and the mounting seat 302, so as to fix the mounting seat 302 and the U-shaped ring 301. The adjusting ring 402 is rotated, and the screw rod 403 is driven to move by the adjusting ring 402, and the connection length of the screw rod 403 and the sleeve 401 is adjusted. The movable block 404 is driven by the screw rod 403 to press against the lifting ring 2, and the U-shaped ring 301 is limitedly supported by the sleeve 401, the adjusting ring 402, the screw rod 403 and the movable block 404, and the U-shaped ring 301 is fixed in the lifting ring 2;

[0038] like Figure 1 , Figure 2 , Figure 4 , Figure 6 As shown, the hoisting equipment pulls the connecting seat 505 through the steel wire rope 6, and the connecting seat 505 drives the third sliding rod 503 and the limiting plate 502, and the limiting plate 502 is pressed tightly against the pressure sensor 504. The force applied by the limiting plate 502 to the pressure sensor 504 is the same as the force borne by the steel wire rope 6, and the force borne by the steel wire rope 6 is detected;

[0039] like Figure 1-Figure 8 As shown, the hoisting equipment pulls and hoists the first slide bar 305 through the steel wire rope 6, the connecting seat 505, the installation box 501, the third slide bar 503 and the limit plate 502, the first slide bar drives the movable plate 306 to move in the movable chamber 310, the movable plate 306 drives the second slide bar 308 to move, the second slide bar 308 drives the sealing piston assembly 309 to move in the hydraulic chamber 311, the hydraulic oil in the hydraulic chamber 311 is pushed and squeezed by the sealing piston assembly 309, the pressure in the hydraulic chamber 311 is detected by the hydraulic sensor 312, and at the same time, the first spring 307 and the second spring 313 are compressed by the movable plate 306, and the force of the sealing piston assembly 309 squeezing the hydraulic oil in the hydraulic chamber 311 and the elastic force of the first spring 307 and the second spring 313 are used to slow down the impact at the moment of lifting or adjusting the lifting speed, thereby protecting the steel wire rope 6 and improving the safety and stability during the lifting process.

[0040] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A hoisting tool for an offshore wind power pipe frame, characterized in that: It comprises a steel wire rope (6) for hoisting and a conductor frame (1), the lower end of the steel wire rope (6) being connected to a detection unit for detecting the hoisting weight via bolts, the lower end of the detection unit being connected to a hoisting unit for protecting the steel wire rope (6) via bolts, and the upper surface of the conductor frame (1) being arranged with welded lifting rings (2), the lifting rings (2) being connected to the lifting unit; The hoisting unit comprises a U-shaped ring (301), a mounting seat (302) and a first sliding rod (305); the U-shaped ring (301) is sleeved on the hoisting ring (2); the U-shaped ring (301) is mounted on the lower surface of the mounting seat (302); the upper surface of the mounting seat (302) is connected to a protective seat (304) by bolts; a movable cavity (310) and a hydraulic cavity (311) are arranged in the protective seat (304); the hydraulic cavity (311) is arranged around the movable cavity (310); the first sliding rod (305) is slidably connected to the mounting seat (302); the first sliding rod (305) is 5) is connected to the detection unit by bolts, the lower end of the first slide bar (305) is connected to a movable plate (306) by bolts, the movable plate (306) is slidably connected in the movable cavity (310), a second slide bar (308) connected by bolts is arranged on the movable plate (306), the second slide bar (308) is slidably connected to the protective seat (304), the end of the second slide bar (308) located in the hydraulic cavity (311) is connected to a sealing piston assembly (309) by bolts, and the sealing piston assembly (309) is slidably connected in the hydraulic cavity (311).

2. The offshore wind power conduit hoisting tool according to claim 1, characterized in that: A first spring (307) is sleeved on the portion of the first sliding rod (305) located in the movable cavity (310), and a second spring (313) is sleeved on the portion of the second sliding rod (308) located in the movable cavity (310). Both ends of the first spring (307) and the second spring (313) are connected to the protective seat (304) and the movable plate (306).

3. The offshore wind power conduit hoisting tool according to claim 1 is characterized by: A hydraulic sensor (312) connected via bolts is provided at the inner upper end of the hydraulic chamber (311).

4. The offshore wind power conduit hoisting tool according to claim 1, characterized in that: The lower surface of the mounting seat (302) is provided with a mounting groove, and both the mounting seat (302) and the U-shaped ring (301) are provided with a through groove, the upper end of the U-shaped ring (301) is slidably mounted in the mounting groove on the mounting seat (302), and a bolt assembly (303) is installed in the through grooves on the mounting seat (302) and the U-shaped ring (301).

5. The offshore wind power conduit hoisting tool according to claim 1, characterized in that: A limiting unit is provided at the lower end of the U-shaped ring (301), and the limiting unit comprises a sleeve (401) and a screw rod (403). Two sleeves (401) are obliquely installed on the lower surface of the U-shaped ring (301). The ends of the two sleeves (401) are rotatably connected to the lower surface of the U-shaped ring (301). The two sleeves (401) are arranged in an eight-shaped shape. An adjusting ring (402) is rotatably installed at the lower ends of the two sleeves (401). The screw rod (403) is installed at the center position of the adjusting ring (402) through threaded engagement. The screw rod (403) is slidably connected in the sleeve (401). The lower end of the screw rod (403) is connected to a movable clamping block (404) through a bolt. The movable clamping block (404) is provided with a V-shaped groove. The movable clamping block (404) is slidably clamped on the lifting ring (2) through the V-shaped groove.

6. The offshore wind power conduit hoisting tool according to claim 1, characterized in that: The detection unit on the first slide bar (305) comprises an installation box (501) and a third slide bar (503); the installation box (501) is installed on the upper end of the first slide bar (305) by bolt connection; the inner upper surface of the installation box (501) is connected with a pressure sensor (504) by bolts; the third slide bar (503) is slidably installed on the installation box (501); the upper end of the third slide bar (503) is connected with a connecting seat (505) by bolts; the lower end of the third slide bar (503) is connected with a limiting plate (502) by bolts; the limiting plate (502) is slidably connected in the installation box (501); the limiting plate (502) is located below the pressure sensor (504); and the connecting seat (505) is connected with the steel wire rope (6) by bolts.

7. The offshore wind power conduit hoisting tool according to claim 1, characterized in that: The mounting seat (302) is provided with welded reinforcing ribs (7), which are surrounded and fixed on the protective seat (304).

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