阅读说明：本技术 一种绳索张力调整装置 (Rope tension adjusting device ) 是由 范明钦 赵宇 王兴林 徐运波 李胜忠 于 2020-05-22 设计创作，主要内容包括：本发明公开了一种绳索张力调整装置,由伸缩装置和顶升装置组成；伸缩装置包括圆盘A、圆盘B、圆盘C、圆盘D、多组第一螺杆和多组第二螺杆；多组第一螺杆的端部与圆盘C的顶面固定连接,第一螺杆的另一端依次穿过圆盘B和圆盘A,并伸出圆盘A的顶面；多组第二螺杆的端部与圆盘B的底面固定连接,第二螺杆的另一端依次穿过圆盘C和圆盘D,并伸出圆盘D的底面；顶升装置设于圆盘B与圆盘C之间,顶升装置与圆盘C的顶面固定连接。本发明在绳索带载或满载情况下,人工轻易调整索力,降低索力调整难度,缩短索力调整时间,减少大型起重机反复起升降落,避免绳索受力不均衡,保证大型模块吊装的安全、质量和进度。(The invention discloses a rope tension adjusting device, which consists of a telescopic device and a jacking device; the telescopic device comprises a disc A, a disc B, a disc C, a disc D, a plurality of groups of first screw rods and a plurality of groups of second screw rods; the end parts of the multiple groups of first screw rods are fixedly connected with the top surface of the disc C, and the other ends of the first screw rods sequentially penetrate through the disc B and the disc A and extend out of the top surface of the disc A; the end parts of the multiple groups of second screw rods are fixedly connected with the bottom surface of the disc B, and the other ends of the second screw rods sequentially penetrate through the disc C and the disc D and extend out of the bottom surface of the disc D; the jacking device is arranged between the disc B and the disc C and fixedly connected with the top surface of the disc C. The invention can easily adjust the cable force by manpower under the condition that the cable is loaded or fully loaded, thereby reducing the difficulty of cable force adjustment, shortening the cable force adjustment time, reducing the repeated lifting and descending of a large-scale crane, avoiding the unbalanced stress of the cable, and ensuring the safety, quality and progress of the hoisting of a large-scale module.)

1. A rope tension adjusting device is characterized in that: consists of a telescopic device and a jacking device (2); the telescopic device comprises a disc A (11), a disc B (12), a disc C (13), a disc D (14), a plurality of groups of first screw rods (15) and a plurality of groups of second screw rods (16); the disc A (11), the disc B (12), the disc C (13) and the disc D (14) are arranged from top to bottom; the end parts of the multiple groups of first screw rods (15) are fixedly connected with the top surface of the disc C (13) and are uniformly distributed along the circumferential direction of the top surface of the disc C (13), and the other ends of the first screw rods (15) sequentially penetrate through the disc B (12) and the disc A (11) and extend out of the top surface of the disc A (11); a nut B (102) is arranged at the joint of the first screw (15) and the disc B (12), and a nut A (101) is arranged at the joint of the first screw (15) and the disc A (11); the end parts of the multiple groups of second screws (16) are fixedly connected with the bottom surface of the disc B (12) and are uniformly distributed along the circumferential direction of the bottom surface of the disc B (12), and the other ends of the second screws (16) sequentially penetrate through the disc C (13) and the disc D (14) and extend out of the bottom surface of the disc D (14); a nut C (103) is arranged at the joint of the second screw (16) and the disc C (13), and a nut D (104) is arranged at the joint of the second screw (16) and the disc D (14); the jacking device (2) is arranged between the disc B (12) and the disc C (13) and located in a space enclosed by the first screw rod (15) and the second screw rod (16), and the jacking device (2) is fixedly connected with the top surface of the disc C (13).

2. A rope tensioning device according to claim 1, wherein: four groups of first screw rods (15) and four groups of second screw rods (16) are arranged.

3. A rope tensioning device according to claim 2, wherein: 4 first round holes (111) are uniformly distributed on the disc A (11) and the disc D (14) in the circumferential direction; 8 second round holes (112) are uniformly distributed on the disc B (12) and the disc C (13) in the circumferential direction.

4. A rope tensioning device according to claim 3, wherein: the first round hole (111) and the second round hole (112) are threaded holes, and the first screw rod (15) and the second screw rod (16) are full-thread screw rods.

5. A rope tensioning device according to claim 1, wherein: lifting lugs are arranged on the top surface of the disc A (11) and the bottom surface of the disc D (14); wherein, the top surface of the disc A (11) is provided with a single-plate type lifting lug (31), and the bottom surface of the disc D (14) is provided with a fork lug type lifting lug (32).

6. A rope tensioning device according to claim 1, wherein: the jacking device (2) is a hydraulic jack or a mechanical jack, and the jacking device (2) is connected with the disc C (13) in a welding mode.

7. A rope tensioning device according to claim 1, wherein: the overall adjusting length of the cable force adjusting device is 50 mm-500 mm.

8. A rope tensioning device according to claim 1, wherein: the cable force adjusting device adjusts the cable force within the range of 50 kN-2000 kN of the stress of the cable, the minimum breaking tension of the adjusting device is 4 times of rated load, and the adjusting device performs 2 times of rated load test before use.

Technical Field

The invention belongs to the technical field of hoisting and mechanical manufacturing, and particularly relates to a rope tension adjusting device.

Background

With the continuous increase of labor cost and the popularization of large-scale hoisting equipment, the modular construction is more and more widely applied, and the application of the modular construction technology is an important means for shortening the construction period and reducing the construction cost. The modules have the characteristics of large weight, large volume, uneven mass distribution and large number of hoisting riggings, and the cable force adjustment in the modularized hoisting process is the key for realizing the modularized hoisting success. The conventional cable force adjusting mode is generally a cable screw buckle type adjusting mode, the cable force adjusting mode is difficult to adjust and long in time consumption, and a crane needs to repeatedly loosen a hook for cable force adjustment.

Disclosure of Invention

The invention aims to overcome the bitmaps in the prior art, provides a rope tension adjusting device, and particularly provides a rope tension adjusting device for hoisting a large-scale module, which is suitable for multi-rope connection.

The invention is realized by the following technical scheme:

a rope tension adjusting device is composed of a telescopic device and a jacking device; the telescopic device comprises a disc A, a disc B, a disc C, a disc D, a plurality of groups of first screws and a plurality of groups of second screws; the disc A, the disc B, the disc C and the disc D are arranged from top to bottom; the end parts of the multiple groups of first screw rods are fixedly connected with the top surface of the disc C and are uniformly distributed along the circumferential direction of the top surface of the disc C, and the other end of each first screw rod sequentially penetrates through the disc B and the disc A and extends out of the top surface of the disc A; a nut B is arranged at the joint of the first screw and the disc B, and a nut A is arranged at the joint of the first screw and the disc A; the end parts of the plurality of groups of second screw rods are fixedly connected with the bottom surface of the disc B and are uniformly distributed along the circumferential direction of the bottom surface of the disc B, and the other end of each second screw rod sequentially penetrates through the disc C and the disc D and extends out of the bottom surface of the disc D; a nut C is arranged at the joint of the second screw and the disc C, and a nut D is arranged at the joint of the second screw and the disc D; the jacking device is arranged between the disc B and the disc C and located in a space defined by the first screw rod and the second screw rod, and the jacking device is fixedly connected with the top surface of the disc C.

In order to optimize the technical scheme, the specific measures adopted further comprise:

four groups of first screw rods and four groups of second screw rods are arranged.

4 first round holes are uniformly and circumferentially arranged on the disc A and the disc D; 8 second round holes are uniformly and circumferentially arranged on the disc B and the disc C.

The first round hole and the second round hole are threaded holes, and the first screw rod and the second screw rod are full-thread screw rods.

Lifting lugs are arranged on the top surface of the disc A and the bottom surface of the disc D; wherein, the top surface of disc A installs the single-plate formula lug, and the bottom surface of disc D installs fork ear formula lug.

The jacking device is a hydraulic jack or a mechanical jack, and the jacking device is connected with the disc C in a welding mode.

The overall adjusting length of the cable force adjusting device is 50 mm-500 mm.

The cable force adjusting device adjusts the cable force within the range of 50 kN-2000 kN of the stress of the cable, the minimum breaking tension of the adjusting device is 4 times of rated load, and the adjusting device performs 2 times of rated load test before use.

The invention has the beneficial effects that:

1. the rope tension adjusting device is simple in welding connection and bolt connection, quality is easy to control, and safety is high.

2. The rope tension adjusting device adopts the jacking device to adjust the rope force, so that the manual operation can be effectively reduced, the rope force adjusting time is shortened, and the repeated lifting and falling of the crane are reduced.

3. The rope tension adjusting device can select the jacking device according to actual needs, and is flexible to apply.

4. The invention provides a cable force adjusting device for hoisting a large-scale module, which is suitable for multi-cable connection.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a top view of disk a or disk D of the present invention.

Fig. 3 is a top view of disk B or disk C of the present invention.

In the figure, the numbers are 2-jacking device, 31-single-plate type lifting lug, 32-fork ear type lifting lug, 11-disc A, 12-disc B, 13-disc C, 14-disc D, 15-first screw rod, 16-second screw rod, 101-nut A, 102-nut B, 103-nut C, 104-nut D, 111-first round hole and 112-second round hole.

Detailed Description

The invention is further described below with reference to the accompanying drawings and examples.

Referring to fig. 1, a rope tension adjusting device is composed of a telescopic device and a jacking device 2; wherein, the telescopic device comprises a disc A11, a disc B12, a disc C13, a disc D14, a plurality of groups of first screws 15 and a plurality of groups of second screws 16; the disc A11, the disc B12, the disc C13 and the disc D14 are arranged from top to bottom; the ends of the multiple groups of first screws 15 are fixedly connected with the top surface of the disc C13 and are uniformly distributed along the circumferential direction of the top surface of the disc C13, and the other ends of the first screws 15 sequentially penetrate through the disc B12 and the disc A11 and extend out of the top surface of the disc A11; a nut B102 is arranged at the joint of the first screw rod 15 and the disc B12, and a nut A101 is arranged at the joint of the first screw rod 15 and the disc A11; the end parts of the multiple groups of second screws 16 are fixedly connected with the bottom surface of the disc B12 and are uniformly distributed along the circumferential direction of the bottom surface of the disc B12, and the other ends of the second screws 16 sequentially penetrate through the disc C13 and the disc D14 and extend out of the bottom surface of the disc D14; a nut C103 is arranged at the joint of the second screw 16 and the disc C13, and a nut D104 is arranged at the joint of the second screw 16 and the disc D14; the jacking device 2 is arranged between the disc B12 and the disc C13 and located in a space defined by the first screw 15 and the second screw 16, and the jacking device 2 is fixedly connected with the top surface of the disc C13.

In the present embodiment, as a more preferable example, four sets of the first screw 15 and the second screw 16 are provided, and 20# steel is used for the first screw 15 and the second screw 16, and the diameter is 40mm, and neither screw is a full-thread screw. Meanwhile, the disk A11, the disk B12, the disk C13 and the disk D14 are all made of 40mm steel plates made of Q355B, referring to FIGS. 2 and 3, 4 first round holes 111 are uniformly and circumferentially arranged on the disk A11 and the disk D14; 8 second round holes 112 are uniformly arranged on the disk B12 and the disk C13 in the circumferential direction, and both the first round hole 111 and the second round hole 112 are threaded holes. In the actual installation process, the ends of the four groups of first screws 15 are inserted into the second round holes of the disc C, the other ends of the four groups of first screws sequentially penetrate through the second round holes of the disc B and the first round holes of the disc a, the four groups of first screws are connected through corresponding nuts matched with each other in a threaded structure, the ends of the four groups of second screws are inserted into the remaining second round holes of the disc B to be fixed in the same way, the other ends of the four groups of first screws sequentially penetrate through the remaining second round holes of the disc C and the first screw holes of the disc D to be connected, the nuts a and D are locking nuts, and the nuts B and C are stressed nuts matched with the screws.

In this embodiment, the top surface of the disk a11 and the bottom surface of the disk D14 are both provided with lifting lugs; the top surface of the disc A11 is provided with a single-plate type lifting lug 31, the bottom surface of the disc D14 is provided with a fork lug type lifting lug 32, the single-plate type lifting lug 31 is matched with the original rigging joint, and the fork lug type lifting lug 32 is matched with the lower hoisting object lifting lug.

In this embodiment, the jacking device 2 is a hydraulic jack or a mechanical jack, the jacking device 2 is welded to the disc C13, and preferably, a hydraulic jack, specifically, a 50t jack is used in this embodiment.

In this embodiment, the overall adjustment length of the cable force adjusting device is 50 mm-500 mm.

In the embodiment, the cable force adjusting device adjusts the cable force within the range of 50 kN-2000 kN of the stress of the cable, the cable tension adjusting device calculates the strength before manufacturing, the minimum breaking tension of the adjusting device is 4 times of rated load, and the adjusting device performs 2 times of rated load test before use.