CN115924773A

CN115924773A - Cable wind winch

Info

Publication number: CN115924773A
Application number: CN202211274252.4A
Authority: CN
Inventors: 张继彪; 张晨天; 夏月; 胡灵斌; 李靖; 王子健; 滕燕华; 宇世杰
Original assignee: CCCC Third Harbor Engineering Co Ltd
Current assignee: CCCC Third Harbor Engineering Co Ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-04-07

Abstract

The invention discloses a cable wind winch which comprises a crane body, wherein a mechanical arm of the crane body is provided with a plurality of hoop type arm support fixing and mounting frames, drum components for controlling ropes are mounted on the hoop type arm support fixing and mounting frames, and each drum component comprises a rack, a first drum, two built-in speed reducers, a second drum, a first fence type rope groove, a second fence type rope groove, two three-roller tension detection structures, two variable frequency motors and an auxiliary support. The winch installation device is used for offshore wind power installation, and solves the problem that the installation and debugging of cable wind winch equipment are complex and difficult due to the combined operation construction of multiple winches.

Description

Cable wind winch

Technical Field

The present invention relates to winches.

Background

With the further development of offshore wind power industry in China, the installation requirements of wind power parts are gradually increased, and a cable wind system is an important link for ensuring the posture of a large-scale wind power component in the hoisting process, wherein a cable wind winch is a core device of the whole set of cable wind system. At present, various cable wind systems at home and abroad adopt various winch combined operation constructions such as traction, goods stabilization, guiding and the like, occupy large space, have large equipment weight, and have large requirements on the arrangement space of a crane ship and the bearing capacity of a crane arm frame, so that the installation and debugging of the cable wind winch equipment are complicated and difficult.

Disclosure of Invention

The invention aims to provide a cable wind winch which is designed by combining 2 conventional winches into one, has a compact structure and is convenient to install and debug.

The technical scheme for realizing the purpose is as follows: the cable wind winch comprises a crane body, wherein a plurality of hoop type arm support fixing and mounting frames are arranged on a mechanical arm of the crane body, and a winding drum assembly used for controlling a rope is mounted on each hoop type arm support fixing and mounting frame.

Preferably, the winding drum component comprises a rack, a first roller, two built-in speed reducers, a second roller, a first fence-type rope groove, a second fence-type rope groove, two three-roller tension detection structures, two variable frequency motors and an auxiliary support, the rack is arranged on the hoop-type arm support fixing and mounting frame, the rack is respectively provided with two variable frequency motors, the output ends of the two variable frequency motors are respectively connected with one built-in speed reducer, the output shafts of the two built-in speed reducers are respectively connected with the inner walls of the first roller and the second roller, the first roller and the second roller are rotatably connected with the rack, the first fence-type rope groove is arranged on the first roller, the second fence-type rope groove is arranged on the second roller, the auxiliary support is further arranged on the rack, and the two three-roller tension detection structures for detecting the tension of the rope are arranged on the auxiliary support in parallel.

Preferably, the three-roller tension detection structure comprises a roller support and three rollers, the auxiliary support is connected with the roller support, the three rollers are respectively connected to the roller support in a rotating mode, and second rope grooves are formed in the three rollers.

Preferably, the height of the first drum central axis is higher than the height of the second drum central axis.

Preferably, a protective cover is arranged on the rack, and the two variable frequency motors are located in the protective cover.

Preferably, a guide rope is arranged on the first fence type rope groove, and the traction rope is arranged on the second fence type rope groove.

Preferably, the guide rope and the traction rope are both steel wire ropes.

Preferably, steel wire ropes are tightly attached to the three rollers in the second rope grooves, resistance strain type force measuring sensors are arranged in the second rope grooves, and the resistance strain type force measuring sensors are in contact with the steel wire ropes.

Preferably, the central axes of three corresponding sets of two rollers in the two three-roller tension detection structures are on the same straight line.

The beneficial effects of the invention are: the output shafts of the two built-in speed reducers are respectively connected to the inner walls of the first roller and the second roller, the first roller and the second roller are rotatably connected with the rack, and the design of combining two functions into one by a conventional winch is compact in structure and convenient to install and debug, the arrangement space is reduced while the two functions are met, and the design is light in weight, so that the design is particularly suitable for the light weight requirement of a wind power-mounted marine crane;

the first fence type rope groove and the second fence type rope groove are beneficial to orderly arrangement of the steel wire rope on the first roller or the second roller, and abrasion of the steel wire rope is reduced;

the output ends of the two variable frequency motors are respectively connected with a built-in speed reducer, the two variable frequency speed regulating motors are used for driving, the high-speed wind power cable has good starting capacity and overload performance, the requirement that the cable wind guide rope and the traction rope are quickly wound and unwound can be met, and free switching between a linkage mode and a single-action mode can be realized.

Drawings

FIG. 1 is an overall layout of the present invention;

FIG. 2 is a top view of the overall arrangement of the apparatus;

FIG. 3 is a schematic view of a drum built-in reducer;

FIG. 4 is a schematic diagram of a three-roller tension sensing arrangement according to the present invention;

FIG. 5 is a front view of a three roller tension sensing arrangement of the present invention;

FIG. 6 is a schematic view of the overall construction operation of the present invention;

figure 7 is a schematic view of two mounting modes of the present invention.

In the figure: 1. a crane body; 2. the hoop type arm support is fixedly arranged on the mounting frame; 3. a spool assembly; 4. a wire rope; 31. a frame; 32. a first drum; 33. a built-in speed reducer; 34. a second drum; 35. a first fence-type rope groove; 36. a three-roller tension detection structure; 37. a variable frequency motor; 38. an auxiliary support; 39. a second fence-type rope groove; 361. a roller bracket; 362. and a roller.

Detailed Description

The technical scheme of the invention is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

The invention will be further explained with reference to the drawings.

As shown in fig. 1-6, a cable winch comprises a crane body 1, a plurality of hoop-type boom fixing and mounting frames 2 and a drum assembly 3.

Be equipped with a plurality of staple bolt formula cantilever crane fixed mounting bracket 2 on the arm of hoist body 1, a plurality of staple bolt formula cantilever crane fixed mounting bracket 2 can install reel subassembly 3 fast conveniently, and reel subassembly 3 is installed on staple bolt formula cantilever crane fixed mounting bracket 2, can be used for the control rope.

The winding drum component 3 comprises a rack 31, a first roller 32, two built-in speed reducers 33, a second roller 34, a first fence-type rope groove 35, a second fence-type rope groove 39, two three-roller tension detection structures 36, two variable frequency motors 37 and an auxiliary support 38, wherein the rack 31 is arranged on the hoop-type arm support fixing and mounting frame 2, the two variable frequency motors 37 are respectively arranged on the rack 31, the output ends of the two variable frequency motors 37 are respectively connected with one built-in speed reducer 33, and the two variable frequency speed motors 37 are adopted for driving, so that the winding drum component has good starting capability and overload performance, can meet the requirement of fast winding and unwinding of a cable wind guide rope and a traction rope, and can be freely switched between a linkage mode and a single-action mode; the output shafts of the two built-in speed reducers 33 are respectively connected to the inner walls of the first roller 32 and the second roller 34, and the built-in speed reducers 33 are used as transmission components, so that the volume of equipment can be reduced, and the installation is convenient; an absolute value encoder is arranged on an output shaft of the built-in speed reducer 33, and the current rope containing amount and the rope outlet amount can be calculated through an algorithm program, so that excessive winding and unwinding are prevented; the first roller 32 and the second roller 34 are both rotatably connected with the frame 31, the first roller 32 is provided with a first fence-type rope groove 35, the second roller 34 is provided with a second fence-type rope groove 39, the frame 31 is further provided with an auxiliary support 38, and the two three-roller tension detection structures 36 are arranged on the auxiliary support 38 in parallel, so that the tension of the steel wire rope 4 can be monitored in real time and fed back to a control system as an important parameter.

Three gyro wheel tension detects structure 36 includes roller bracket 361 and three gyro wheel 362, and auxiliary stand 38 is connected with roller bracket 361, rotates respectively on the roller bracket 361 to be connected with three gyro wheel 362, is equipped with the second grooving on the three gyro wheel 362, and the second grooving can prevent that wire rope 4 from removing from gyro wheel 362.

The height of the central shaft of the first roller 32 is higher than that of the central shaft of the second roller 34, so that the guide rope and the traction rope are prevented from interfering with each other, one of the first roller 32 or the second roller 34 controls the retraction of the guide rope, and the other controls the retraction of the traction rope, so that goods can be stabilized or pulled; a protective cover is arranged on the frame 31, the two variable frequency motors 37 are positioned in the protective cover, and the protective cover can play a certain role in protecting the two variable frequency motors 37; the first fence type rope groove 35 is provided with a guide rope, and the second fence type rope groove 39 is provided with a traction rope; the first and second fence-

like rope grooves

35 and 39 facilitate the orderly arrangement of the steel wire ropes 4 on the first drum 32 or the second drum 34, reducing the wear of the steel wire ropes 4.

The guide rope and the traction rope are both steel wire ropes 4, so that the traction force is large, and heavy objects can be conveniently moved; the steel wire ropes 4 are tightly attached to second rope grooves on the three rollers 362, resistance strain type force sensors are arranged in the second rope grooves and are in contact with the steel wire ropes 4, and the tension of the steel wire ropes 4 can be calculated after the resistance strain type force sensors are analyzed and detected; the central axes of the three corresponding sets of two rollers 362 in the two three-roller tension detection structures 36 are on the same straight line, and can detect the tension of the guide rope and the traction rope respectively.

As shown in fig. 7, the anchor ear type boom fixing and mounting frame 2 and the reel assembly 3 on the mechanical arm of the crane body 1 have two mounting modes, so that the crane can be quickly mounted and dismounted.

The working principle is as follows: the two variable frequency motors 37 drive the output shafts of the corresponding built-in speed reducers 33 to rotate; the built-in speed reducer 33 controls the corresponding first roller 32 or second roller 34 to take up and pay off the guide rope or the traction rope; the guide rope or the traction rope passes through the second rope grooves on the corresponding three rollers 362 to hoist the goods.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The cable wind winch comprises a crane body (1) and is characterized in that a plurality of hoop type arm support fixing and mounting frames (2) are arranged on a mechanical arm of the crane body (1), and a winding drum assembly (3) used for controlling a rope is mounted on each hoop type arm support fixing and mounting frame (2).

2. The cable wind winch according to claim 1, wherein the drum assembly (3) comprises a frame (31), a first roller (32), two built-in reducers (33), a second roller (34), a first fence-type rope groove (35), a second fence-type rope groove (39), two three-roller tension detection structures (36), two variable frequency motors (37) and an auxiliary bracket (38), the hoop type arm support fixing mounting rack (2) is provided with the rack (31), the frame (31) is respectively provided with two variable frequency motors (37), the output ends of the two variable frequency motors (37) are respectively connected with one built-in speed reducer (33), the output shafts of the two built-in speed reducers (33) are respectively connected with the inner walls of the first roller (32) and the second roller (34), the first roller (32) and the second roller (34) are rotatably connected with the frame (31), the first roller (32) is provided with the first fence type rope groove (35), the second drum (34) is provided with the second fence type rope groove (39), the frame (31) is also provided with the auxiliary bracket (38), and two three-roller tension detection structures (36) for detecting the tension of the rope are arranged on the auxiliary bracket (38) in parallel.

3. The cable wind winch according to claim 2, wherein the three-roller tension detecting structure (36) comprises a roller bracket (361) and three rollers (362), the auxiliary bracket (38) is connected with the roller bracket (361), the three rollers (362) are respectively and rotatably connected to the roller bracket (361), and second rope grooves are formed in the three rollers (362).

4. A cable winch according to claim 2, wherein the height of the central axis of said first drum (32) is higher than the height of the central axis of said second drum (34).

5. A cable winch according to claim 2, wherein said frame (31) is provided with a protective casing, and said two variable frequency motors (37) are located in said protective casing.

6. The cable wind winch according to claim 2, wherein said first fence type rope groove (35) is provided with a guide rope, and said second fence type rope groove (39) is provided with said pulling rope.

7. A cable winch according to claim 6, wherein said guide rope and said traction rope are steel wire ropes (4).

8. The cable winch of claim 7, wherein the steel wire rope (4) is tightly attached to the second rope grooves of the three rollers (362), and a resistance strain type force measuring sensor is arranged in each second rope groove and is in contact with the steel wire rope (4).

9. A cable winch according to claim 3, wherein the central axes of three corresponding sets of two said rollers (362) of said two three-roller tension sensing structures (36) are collinear.