Soft attachment device for tower crane

By setting up a level detection component and an adjustment component on the ear plate, the problem that existing devices cannot accurately know the horizontal state of the wire rope is solved, and a fast and accurate level detection effect is achieved.

CN223856465UActive Publication Date: 2026-01-30JIANGSU ZHONGJIAN DAFENG MASCH LEASING CO LTD
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Patent Information

Application Number
CN202520623752.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2026-01-30
Estimated Expiration
2035-04-02

AI Technical Summary

Technical Problem

Existing soft attachment devices cannot accurately and promptly determine the position and status of the topmost wire rope on each soft attachment device.

Method used

A level detection component is installed on the ear plate, including two parallel rangefinders. The rangefinders quickly determine the horizontal status of the wire rope, and the level adjustment component ensures the accuracy of the measurement. The position of the movable plate is fixed by the locking nut.

Benefits of technology

This allows for quick assessment of whether the topmost wire rope is horizontal, improving the measurement accuracy for operators.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a soft attachment device for a tower crane, which comprises an attachment frame arranged on a tower crane body, a plurality of rope tightening parts are arranged on the attachment frame, each rope tightening part comprises two lug plates, a pulley is arranged between the two lug plates, the pulley is rotatably connected with the lug plates through a pin shaft, and the rope tightening parts are connected with the lug plates through the pin shafts. A horizontal detection assembly is arranged on one of the lug plates; the horizontal detection assembly comprises two range finders, the two range finders are arranged on one side of the corresponding lug plate, and the two range finders are parallel to each other; and the measuring heads of the two range finders point to the upper half part of the steel wire rope passing through the pulley. The utility model relates to the technical field of tower crane soft attachment devices. The device has the effect of quickly knowing whether the uppermost steel wire rope is in a horizontal state or not.
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Description

Technical Field

[0001] This utility model relates to the technical field of soft attachment devices for tower cranes, and in particular to a soft attachment device for tower cranes. Background Technology

[0002] When constructing a cooling tower, the tower crane is placed inside the cooling tower, and several soft attachment devices are installed on both the tower body and the inner wall of the cooling tower.

[0003] To ensure the soft attachment device has a positive effect and maximize its positive effect, the uppermost wire rope between the connecting tension rope and the corresponding pre-embedded ear plate set on the cooling tower wall needs to be in a horizontal state.

[0004] Existing soft attachment devices cannot accurately and promptly determine the position and status of the topmost wire rope on each soft attachment device. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a soft attachment device for tower cranes, which can quickly determine whether the uppermost wire rope is in a horizontal state.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0007] A soft attachment device for a tower crane includes an attachment frame disposed on the body of the tower crane, a plurality of rope tightening parts disposed on the attachment frame, each rope tightening part including two ear plates, a pulley disposed between the two ear plates, the pulley being rotatably connected to the ear plates by a pin, and a horizontal detection component disposed on one of the ear plates.

[0008] The horizontal detection component includes two rangefinders, which are disposed on one side of the corresponding ear plate and are parallel to each other.

[0009] The measuring heads of both rangefinders are pointed at the upper half of the wire rope passing through the pulley.

[0010] In a preferred embodiment, the present invention can be further configured such that a horizontal adjustment component is provided on the ear plate.

[0011] In a preferred embodiment, the present invention can be further configured as follows: the horizontal adjustment component includes a movable plate, the movable plate is disposed on one side of the ear plate, a first fixing rod is disposed on one side of the ear plate, a rotating ring is rotatably sleeved on the outer circumferential surface of the first fixing rod, and one end of the movable plate is fixed to the rotating ring;

[0012] A level is provided on the side of the movable plate away from the corresponding ear plate;

[0013] Two of the rangefinders are mounted on the movable plate, and the level is located between the two rangefinders.

[0014] The outer circumferential surface of the first fixed rod is threaded, and a locking nut is provided on the outer circumferential surface of the first fixed rod. The locking nut is threadedly connected to the first fixed rod, and the movable plate is located between the corresponding ear plate and the locking nut.

[0015] One side of the locking nut is in contact with one side of the movable plate.

[0016] In a preferred embodiment, the present invention can be further configured such that: two first placement slots are symmetrically opened on one side of the movable plate, and the tops of the two first placement slots penetrate the movable plate;

[0017] The rangefinder is placed in the corresponding first placement slot;

[0018] The movable plate is provided with two cover plates, which are bolted to the movable plate and fix the corresponding rangefinder in the corresponding first placement slot.

[0019] In a preferred embodiment, the present invention can be further configured such that a rubber layer is provided on the inner side of the curved surface of each cover plate.

[0020] In summary, this utility model has at least one of the following beneficial technical effects:

[0021] 1. By setting two rangefinders on one of the ear plates, the distance between the two rangefinders and the corresponding wire ropes can be used to quickly determine whether the uppermost wire rope is in a horizontal state.

[0022] 2. By incorporating a locking nut, the position of the movable plate remains unchanged when no external force is applied, thereby improving the accuracy of the operator's measurement results. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the main view structure of this embodiment;

[0024] Figure 2 yes Figure 1 Enlarged structural diagram at point A in the middle;

[0025] Figure 3 yes Figure 2 A top view of the structure of the middle cover plate.

[0026] In the diagram, 1. Tightening rope section; 11. Ear plate; 12. Pulley; 2. Horizontal detection component; 21. Rangefinder; 3. Horizontal adjustment component; 31. Movable plate; 32. First fixed rod; 33. Rotating ring; 34. Level; 35. Locking nut; 4. First placement groove; 41. Cover plate; 5. Rubber layer. Detailed Implementation

[0027] The present invention will be further described in detail below with reference to the accompanying drawings.

[0028] Example:

[0029] Reference Figures 1-3 As shown, the present invention discloses a soft attachment device for tower cranes, including an attachment frame disposed on the tower crane body, a plurality of rope tightening parts 1 disposed on the attachment frame, the rope tightening part 1 including two ear plates 11, a pulley 12 disposed between the two ear plates 11, and the pulley 12 and the ear plates 11 being rotatably connected by a pin.

[0030] A horizontal detection component 2 is provided on one of the ear plates 11. The horizontal detection component 2 includes two rangefinders 21, which are positioned on one side of the corresponding ear plate 11 and are parallel to each other. Two first placement slots 4 are symmetrically opened on one side of the movable plate 31, and the tops of the two first placement slots 4 penetrate the movable plate 31. The rangefinders 21 are placed in the corresponding first placement slots 4. Two cover plates 41 are provided on the movable plate 31, and the two cover plates 41 are bolted to the movable plate 31, fixing the corresponding rangefinders 21 in the corresponding first placement slots 4. A rubber layer 5 is provided on the inner side of the curved surface of each cover plate 41.

[0031] Two rangefinders 21 are equipped with batteries, and the measurement results are directly displayed on the rangefinders 21.

[0032] The measuring heads of both rangefinders 21 are pointed to the upper part of the wire rope passing through the pulley 12.

[0033] A horizontal adjustment assembly 3 is provided on the ear plate 11. The horizontal adjustment assembly 3 includes a movable plate 31, which is located on one side of the ear plate 11. A first fixing rod 32 is provided on one side of the ear plate 11. A rotating ring 33 is rotatably sleeved on the outer circumference of the first fixing rod 32. One end of the movable plate 31 is fixed to the rotating ring 33. The rotating ring 33 can be directly removed from the first fixing rod 32.

[0034] To fix the position of the movable plate 31, the outer peripheral surface of the first fixing rod 32 is threaded, and a locking nut 35 is provided on the outer peripheral surface of the first fixing rod 32. The locking nut 35 is threadedly connected to the first fixing rod 32. The movable plate 31 is located between the corresponding ear plate 11 and the locking nut 35, and one side of the locking nut 35 is in contact with one side of the movable plate 31.

[0035] A level 34 is installed on the side of the movable plate 31 away from the corresponding ear plate 11. Two rangefinders 21 are mounted on the movable plate 31, and the level 34 is located between the two rangefinders 21. By rotating the movable plate 31 until the bubble in the level 34 is in the middle position, the position of the movable plate 31 is fixed with a locking nut 35.

[0036] The embodiments described herein are preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape, and principle of this utility model should be included within the scope of protection of this utility model.

Claims

1. A soft attachment device for a tower crane, comprising an attachment frame arranged on a tower crane body, the attachment frame being provided with a plurality of rope clamps (1), each rope clamp (1) comprising two ear plates (11) with a pulley (12) arranged between the two ear plates (11), the pulley (12) being rotatably connected to the ear plates (11) by a pin, characterized in that One of the said ear plates (11) is provided with a horizontal detection assembly (2); The horizontal detection assembly (2) comprises two distance meters (21), and the two distance meters (21) are arranged on the side of the corresponding ear plate (11) and are parallel to each other. The measuring heads of the two distance meters (21) are both directed to the upper half of the steel wire rope passing through the pulley (12).

2. The soft attachment device for tower crane according to claim 1, characterized in that: The ear plate (11) is provided with a horizontal adjustment assembly (3).

3. The soft attachment device for tower crane according to claim 2, characterized in that: The horizontal adjustment assembly (3) comprises a movable plate (31), and the movable plate (31) is arranged on one side of the ear plate (11). One side of the ear plate (11) is provided with a first fixed rod (32), and the outer circumferential surface of the first fixed rod (32) is rotatably sleeved with a rotating ring (33). One end of the movable plate (31) is fixed with the rotating ring (33). The side of the movable plate (31) away from the corresponding ear plate (11) is provided with a level (34). The two distance meters (21) are arranged on the movable plate (31), and the level (34) is located between the two distance meters (21). The outer circumferential surface of the first fixed rod (32) is partly threaded, and the outer circumferential surface of the first fixed rod (32) is provided with a locking nut (35). The locking nut (35) is threadedly connected with the first fixed rod (32), and the movable plate (31) is located between the corresponding ear plate (11) and the locking nut (35). One side of the locking nut (35) is in contact with one side of the movable plate (31).

4. The soft attachment device for tower crane according to claim 3, characterized in that: Two first placing grooves (4) are symmetrically formed in one side of the movable plate (31), and the top of each first placing groove (4) penetrates the movable plate (31). The distance meter (21) is placed in the corresponding first placing groove (4). The movable plate (31) is provided with two cover plates (41), and the two cover plates (41) are arranged on the movable plate (31) by bolts. The cover plates (41) fix the distance meters (21) in the corresponding first placing grooves (4).

5. The soft attachment device for tower crane according to claim 4, characterized in that: A rubber layer (5) is arranged in the inner side of the curved surface of each cover plate (41).