CN211561642U

CN211561642U - Flexible anti-falling device for iron tower

Info

Publication number: CN211561642U
Application number: CN202020030549.6U
Authority: CN
Inventors: 王辉; 丘智远; 赵伟华; 陈定针; 胡思伟
Original assignee: Wenzhou De Extension Power Audio Supplies Co ltd
Current assignee: Wenzhou De Extension Power Audio Supplies Co ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-09-25
Anticipated expiration: 2030-01-08

Abstract

The utility model relates to a flexible anti-falling device for an iron tower, which comprises a flexible guide rail, a hook passing device component and iron tower cross arm angle steel; the two ends of the flexible guide rail are both connected with a fixing clamp, and a tensioning clamp is connected between one end of the flexible guide rail and the fixing clamp; the flexible guide rail, the tensioning clamp and the hook passing assembly are connected to cross arm angle steel of the iron tower through a fixing clamp; the tensioning clamp comprises a threaded sleeve, a left adjusting screw and a right adjusting screw; two ends of the interior of the threaded sleeve are respectively provided with reverse threads, and one end of the left adjusting screw rod and one end of the right adjusting screw rod are respectively in threaded connection with two ends of the threaded sleeve; the over hook assembly comprises a mounting plate; the rotatable coupling has the pivot in the middle of the mounting panel, and both ends all are connected with the mousing-hook, are connected with the five-star wheel that two intervals set up in the pivot. This practicality improves flexible guide rail tensioning efficiency, and easy to assemble avoids safe couple to drive flexible guide rail and drops from crossing the hook ware, improves the security.

Description

Flexible anti-falling device for iron tower

Technical Field

The utility model relates to a life saving equipment field, concretely relates to flexible anti-falling device of iron tower.

Background

At present, reliable safety protection devices do not exist in aerial work of electric power and communication towers, and especially for aerial workers on electric power transmission and transformation line towers and transformer substation frameworks, if the reliable safety protection devices do not exist, huge potential safety hazards can be brought to the workers.

The patent No. CN203139447U flexible guide rail anti-falling protection device comprises a flexible guide rail, a hook passing device and a supporting device, wherein one end of the flexible guide rail is provided with a fixed clamp, and the other end of the flexible guide rail is provided with a tensioning clamp; the safety hook of the operator is hooked on the flexible guide rail to achieve the purpose of preventing the high-altitude operator from falling; but the overspeed device tensioner of its flexible guide rail adopts one-way screw rod rotation regulation, and the flexible guide rail installation operation is comparatively loaded down with trivial details during the tensioning, and in addition in the in-service use, operating personnel's safety hook is when crossing the hook ware department, very easily takes place the condition that the safety hook drove flexible guide rail and drops from crossing the hook ware top, and the potential safety hazard is higher.

Disclosure of Invention

The utility model aims at: the utility model provides a flexible anti-falling device of iron tower improves flexible guide rail tensioning efficiency, and easy to assemble avoids the safety hook to drive flexible guide rail and drops from crossing the hook ware, improves the security.

In order to achieve the above object, the present invention provides the following technical solutions:

a flexible anti-falling device for an iron tower comprises a flexible guide rail, a hook passing assembly and iron tower cross arm angle steel; the two ends of the flexible guide rail are both connected with a fixing clamp, and a tensioning clamp is connected between one end of the flexible guide rail and the fixing clamp; the flexible guide rail, the tensioning clamp and the hook passing assembly are connected to cross arm angle steel of the iron tower through a fixing clamp; the tensioning clamp comprises a threaded sleeve, a left adjusting screw and a right adjusting screw; two ends of the interior of the threaded sleeve are respectively provided with reverse threads, one end of a left adjusting screw and one end of a right adjusting screw are respectively in threaded connection with two ends of the threaded sleeve, the other end of the left adjusting screw is connected with one end of a flexible guide rail through a U-shaped ring, and the other end of the right adjusting screw is connected with a fixed clamp through another U-shaped ring; the over hook assembly comprises a mounting plate; the rotatable coupling has the pivot in the middle of the mounting panel, and both ends all are connected with the mousing-hook, are connected with the five-star wheel that two intervals set up in the pivot.

Furthermore, the fixing clamp comprises an angle steel clamp screw, a connecting plate and a locking nut; the angle steel clamp screw and the connecting plate form a right trapezoid, and two ends of the angle steel clamp screw penetrate through two ends of the connecting plate respectively to be in threaded connection with the locking nut.

Further, the mounting plate is fixedly connected to the connecting plate; the two anti-disengaging hooks are inverted U-shaped, and a U-shaped space defined by the anti-disengaging hooks is opposite to the space between the two five-star wheels.

Furthermore, the five-star wheel is formed by arranging five rhombic plates in an annular array along the rotating shaft; and the two anti-drop hooks are welded on the mounting plate.

Furthermore, one end, far away from the threaded sleeve, of the left adjusting screw rod is connected with one end of a strain clamp through a U-shaped ring, and the other end of the strain clamp is connected with the flexible guide rail.

Furthermore, the flexible guide rail is a steel strand.

The utility model has the advantages that: the flexible anti-falling device for the iron tower adopts the threaded sleeve with reverse threads to tension the flexible guide rail, improves the tensioning efficiency of the flexible guide rail and is convenient to install; the five-star wheel with the anti-unhooking function is used as the hook passing device, so that the situation that the safety hook drives the flexible guide rail to fall off from the hook passing device can be avoided, and the safety is improved; the angle iron clamp screw and the connecting plate are connected with the iron tower cross arm angle iron in a locking mode through the screw cap, connection is firm and reliable, and installation is facilitated.

Drawings

Fig. 1 is the utility model relates to a structure diagram of the flexible guide rail both ends of the flexible anti-falling device for iron tower installed on the angle steel of the cross arm of the iron tower.

Fig. 2 is an enlarged view of a portion a of fig. 1.

Fig. 3 is the structure diagram of the hook passing assembly of the flexible anti-falling device for iron tower installed on the angle steel of the cross arm of the iron tower.

Fig. 4 is the cross-sectional view of the hook passing assembly of the flexible anti-falling device for iron tower installed on the angle steel of the cross arm of the iron tower.

In the figure: 1. a flexible guide rail; 2. a hook passing assembly; 21. mounting a plate; 22. a rotating shaft; 23. unhooking prevention; 24. a five-star wheel; 3. fixing the clamp; 31. angle steel clamp screws; 32. a connecting plate; 33. a lock nut; 4. tensioning the clamp; 41. a threaded bushing; 42. a left adjusting screw; 43. a right adjusting screw; 44. strain clamp; 5. angle steel for cross arm of iron tower.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 4, a flexible anti-falling device for a steel tower comprises a flexible guide rail 1, a hook passing assembly 2 and steel tower cross arm angle steel 5; the two ends of the flexible guide rail 1 are both connected with a fixed clamp 3, wherein a tensioning clamp 4 is connected between one end of the flexible guide rail 1 and the fixed clamp 3; the flexible guide rail 1, the tensioning clamp 4 and the hook passing assembly 2 are connected to cross arm angle steel 5 of the iron tower through a fixing clamp 3; the tensioning clamp 4 comprises a threaded sleeve 41, a left adjusting screw 42 and a right adjusting screw 43; two ends inside the threaded sleeve 41 are respectively provided with reverse threads, one end of a left adjusting screw 42 and one end of a right adjusting screw 43 are respectively in threaded connection with two ends of the threaded sleeve 41, the other end of the left adjusting screw 42 is connected with one end of the flexible guide rail 1 through a U-shaped ring, and the other end of the right adjusting screw 43 is connected with the fixed clamp 3 through another U-shaped ring; the hook passing assemblies 2 are at least provided with one device for preventing the swing amplitude of the flexible guide rail 1 from being too large in the length range of the flexible guide rail 1, wherein when the length of the flexible guide rail 1 is longer, a plurality of hook passing assemblies 2 can be uniformly distributed and arranged, and each hook passing assembly 2 comprises a mounting plate 21; the middle of the mounting plate 21 is rotatably connected with a rotating shaft 22, two ends of the mounting plate are both connected with anti-disengaging hooks 23, and the rotating shaft 22 is connected with two five-star wheels 24 which are arranged at intervals.

The fixing clamp 3 comprises an angle steel clamp screw 31, a connecting plate 32 and a locking nut 33; the angle steel clamp screw 31 and the connecting plate 32 form a right trapezoid, and two ends of the angle steel clamp screw 31 respectively penetrate through two ends of the connecting plate 32 to be in threaded connection with the locking nut 33. The mounting plate 21 is fixedly connected to the connecting plate 32; the two anti-disengaging hooks 23 are in inverted U shapes, and a U-shaped space surrounded by the anti-disengaging hooks 23 is opposite to the space between the two five-star wheels 24.

The five-star wheel 24 is specifically formed by five rhombic plates arranged in an annular array along the rotating shaft 22; two anti-slip hooks 23 are welded to the mounting plate 21. One end of the left adjusting screw 42, which is far away from the threaded sleeve 41, is connected with one end of a strain clamp 44 through a U-shaped ring, and the other end of the strain clamp 44 is connected with the flexible guide rail 1. The flexible guide rail 1 is made of steel strands.

The working principle is as follows: when the utility model is used, one end of the flexible guide rail 1 is connected with one end of the angle steel 5 of the cross arm of the iron tower through the fixing clamp 3, the other end of the flexible guide rail 1 is installed at the other end of the cross arm of the iron tower through the fixing clamp 3, and the left adjusting screw 42 and the right adjusting screw retract inwards at the same time by rotating the threaded sleeve 41 of the tensioning clamp 4, so that the flexible guide rail 1 is tensioned, and the installation of the flexible guide rail 1 is completed; the hook assemblies 2 are arranged on the flexible guide rail 1 at intervals, and the flexible guide rail 1 penetrates between the two five-star wheels 24 and in the anti-disengaging hook 23 to limit the swing of the flexible guide rail 1, so that the whole installation is completed.

When the safety hook is used, an operator firstly loads the safety hook of the safety belt worn by the operator into the flexible guide rail and enters a transverse operation point to operate, when the safety hook slides to the hook passing assembly 2, the safety hook enters between the two five-star wheels 24 from the anti-disengaging hook 23 at one end, the space between the two diamond-shaped pieces of the five-star wheels 24 rotates to the other side along with the five-star wheels 24, and in the process, the flexible guide rail 1 is prevented from falling off between the two five-star wheels 24 under the blocking effect of the anti-disengaging hook 23.

The above examples are provided for further illustration of the present invention, but do not limit the present invention to these specific embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be understood as being within the protection scope of the present invention.

Claims

1. A flexible anti-falling device for an iron tower comprises a flexible guide rail (1), a hook passing assembly (2) and iron tower cross arm angle steel (5); the method is characterized in that: both ends of the flexible guide rail (1) are connected with fixed clamps (3), wherein a tensioning clamp (4) is connected between one end of the flexible guide rail (1) and the fixed clamps (3); the flexible guide rail (1), the tensioning clamp (4) and the hook passing assembly (2) are connected to cross arm angle steel (5) of the iron tower through corresponding fixing clamps (3); the tensioning clamp (4) comprises a threaded sleeve (41), a left adjusting screw (42) and a right adjusting screw (43); two ends inside the threaded sleeve (41) are respectively provided with reverse threads, one end of a left adjusting screw rod (42) and one end of a right adjusting screw rod (43) are respectively in threaded connection with two ends of the threaded sleeve (41), the other end of the left adjusting screw rod (42) is connected with one end of the flexible guide rail (1) through a U-shaped ring, and the other end of the right adjusting screw rod (43) is connected with the fixed clamp (3) through another U-shaped ring; the over hook assembly (2) comprises a mounting plate (21); the middle of the mounting plate (21) is rotatably connected with a rotating shaft (22), two ends of the mounting plate are both connected with anti-disengaging hooks (23), and two five-star wheels (24) arranged at intervals are connected to the rotating shaft (22).

2. The flexible anti-falling device for iron towers according to claim 1, characterized in that: the fixing clamp (3) comprises an angle steel clamp screw (31), a connecting plate (32) and a locking nut (33); the angle steel clamp screw (31) and the connecting plate (32) form a right trapezoid, and two ends of the angle steel clamp screw (31) penetrate through two ends of the connecting plate (32) respectively to be in threaded connection with the locking nut (33).

3. The flexible anti-falling device for iron towers according to claim 2, characterized in that: the mounting plate (21) is fixedly connected to the connecting plate (32); the two anti-disengaging hooks (23) are inverted U-shaped, and a U-shaped space surrounded by the anti-disengaging hooks (23) is opposite to the space between the two five-star wheels (24).

4. The flexible anti-falling device for iron tower as claimed in claim 1 or 3, wherein: the five-star wheel (24) is formed by arranging five rhombic plates in an annular array along the rotating shaft (22); the two anti-falling hooks (23) are welded on the mounting plate (21).

5. The flexible anti-falling device for iron towers according to claim 1, characterized in that: one end, far away from the threaded sleeve (41), of the left adjusting screw rod (42) is connected with one end of a strain clamp (44) through a U-shaped ring, and the other end of the strain clamp (44) is connected with the flexible guide rail (1).

6. The flexible anti-falling device for iron towers according to claim 5, characterized in that: the flexible guide rail (1) is a steel strand.