CN216476463U

CN216476463U - Movable safety belt hook for steel structure high-altitude construction

Info

Publication number: CN216476463U
Application number: CN202122689140.2U
Authority: CN
Inventors: 高智利; 王胜博; 刘兴国; 田强; 王佳
Original assignee: Road and Bridge International Co Ltd
Current assignee: Road and Bridge International Co Ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-05-10
Anticipated expiration: 2031-11-04

Abstract

The utility model relates to a movable safety belt hook for steel structure high-altitude construction, which comprises a cross beam, wherein two upper pulleys are symmetrically sleeved on the cross beam, and a first U-shaped ring is welded on the top surface of the cross beam; one end of the cross beam is welded with a limiting rod perpendicular to the cross beam, the upper end of the limiting rod is welded with the cross beam, and the lower end of the limiting rod is sleeved with a first lower pulley; the other end of the cross beam is welded with a shaft sleeve parallel to the limiting rod, a rotating shaft is movably inserted in the shaft sleeve, the upper end of the rotating shaft is welded with an upper cross rod, a second U-shaped ring is welded on the upper cross rod, the lower end of the rotating shaft is welded with a lower cross rod, and a second lower pulley is sleeved on the lower cross rod; when the rotating shaft rotates to the position that the upper cross rod is positioned above the cross beam, the second U-shaped ring is superposed with the first U-shaped ring. The safety belt hook is suitable for construction of constructors on the high-altitude steel structure I-beam, is clamped on the upper flange plate of the I-beam and can move along with the constructors, and potential safety hazards caused by frequent replacement of the safety belt hook are avoided.

Description

Movable safety belt hook for steel structure high-altitude construction

Technical Field

The utility model belongs to the technical field of steel structure construction, and relates to a movable hook for hanging safety belts of construction personnel during high-altitude construction of a steel structure.

Background

Steel structures are often adopted in bridges and high-rise buildings, and constructors need to perform operations such as welding, assembling and the like of steel components at high altitude. In order to ensure the construction safety, constructors need to wear safety belts with the constructors. Usually, a safety belt hook is welded temporarily on a steel structure near a construction position, and the safety belt is hung on the safety belt hook. But the construction position can constantly remove in the work progress, consequently need follow a plurality of couples of construction direction welding, and the safety belt couple needs to be changed for constructor every removal position, and not only operation process is loaded down with trivial details, and constructor has the risk that the high altitude falls when removing the safety belt moreover.

Disclosure of Invention

The utility model aims to solve the problems and provides a movable safety belt hook for high-altitude construction of a steel structure, which can automatically move along with the movement of constructors and avoid potential safety hazards caused by frequent replacement of the safety belt hook.

The technical scheme of the utility model is as follows:

the utility model provides a portable safety belt couple for steel construction high altitude construction which characterized in that: the pulley device comprises a cross beam, wherein two upper pulleys are symmetrically sleeved on the cross beam, and a first U-shaped ring vertical to the cross beam is welded on the top surface of the cross beam; one end of the cross beam is welded with a limiting rod perpendicular to the cross beam, the upper end of the limiting rod is welded with the cross beam, and the lower end of the limiting rod is sleeved with a first lower pulley; a shaft sleeve parallel to the limiting rod is welded at the other end of the cross beam, the middle of the outer wall of the shaft sleeve is welded with the cross beam, a rotating shaft is movably inserted in the shaft sleeve, an upper cross rod parallel to the cross beam is welded at the upper end of the rotating shaft, one end of the upper cross rod is welded with the rotating shaft, the other end of the upper cross rod is welded with a second U-shaped ring parallel to the first U-shaped ring, a lower cross rod parallel to the cross beam is welded at the lower end of the rotating shaft, one end of the lower cross rod is welded with the rotating shaft, and a second lower pulley is sleeved at the other end of the lower cross rod; the rotating shaft can rotate in the shaft sleeve, and the second U-shaped ring is overlapped with the first U-shaped ring when the rotating shaft rotates to a state that the upper cross rod is positioned above the cross beam.

The utility model is suitable for construction on the high-altitude steel structure I-beam. Constructor operates on the I-beam, and portable safety belt couple sets up behind constructor, blocks in I-beam upper flange board both sides and can slide along the I-beam, and when constructor removed the construction position, the safety belt couple can be followed constructor and removed together, avoids frequently changing the potential safety hazard that the safety belt couple led to the fact.

Drawings

FIG. 1 is a schematic view of the present invention in an expanded state;

FIG. 2 is a schematic view of the present invention in a closed state;

fig. 3 is a schematic view of the present invention in use.

Detailed Description

As shown in fig. 1 and 2, the utility model comprises a beam 1, two upper pulleys 2 are symmetrically sleeved on the beam, and a first U-shaped ring 3 vertical to the beam is welded on the top surface of the beam; one end of the cross beam is welded with a limiting rod 4 vertical to the cross beam, the upper end of the limiting rod 4 is welded with the cross beam, and the lower end of the limiting rod is sleeved with a first lower pulley 5; a shaft sleeve 6 parallel to the limiting rod is welded at the other end of the crossbeam, the middle of the outer wall of the shaft sleeve is welded with the crossbeam, a rotating shaft 7 is movably inserted in the shaft sleeve, an upper cross rod 8 parallel to the crossbeam is welded at the upper end of the rotating shaft 7, one end of the upper cross rod is welded with the rotating shaft, the other end of the upper cross rod is welded with a second U-shaped ring 9 parallel to the first U-shaped ring, a lower cross rod 10 parallel to the crossbeam is welded at the lower end of the rotating shaft, one end of the lower cross rod is welded with the rotating shaft, and a second lower pulley 11 is sleeved at the other end of the lower cross rod; the shaft 7 can rotate in the sleeve 6, and when the upper cross bar 8 is rotated to be positioned above the cross beam 1, as shown in fig. 2, the second U-shaped ring 9 is overlapped with the first U-shaped ring 3.

When the utility model is used, the transverse clamping device is transversely clamped on the I-shaped beam. In specific implementation, in order to adapt to I-beams with different widths, the cross beam 1 can be set into a sleeve type telescopic structure and comprises a first sleeve 12 and a second sleeve 13, one end of the first sleeve is inserted into the second sleeve, a plurality of pin holes 14 are respectively arranged at the sleeving parts of the first sleeve and the second sleeve, and positioning pins or positioning bolts are arranged in the pin holes which are oppositely penetrated by the two sleeves; the two upper pulleys are respectively arranged on the first sleeve and the second sleeve.

When the utility model is implemented, a side pulley 15 can be sleeved at the lower end of the shaft sleeve.

In the specific implementation of the utility model, in order to avoid the overlarge up-down sliding range of the rotating shaft in the shaft sleeve, two circular limiting plates 16 can be sleeved and welded on the rotating shaft, wherein one limiting plate is positioned between the upper cross rod and the upper end of the shaft sleeve, and the other limiting plate is positioned between the lower cross rod and the lower end of the shaft sleeve.

As shown in fig. 3, when the present invention is used, the length of the cross beam is adjusted according to the width of the i-beam, the rotating shaft is firstly rotated to the unfolded state shown in fig. 1, the cross beam is spanned on the i-beam 17, the two upper pulleys 2 are supported on the top surface of the upper flange plate of the i-beam, the first lower pulley 4 is positioned below the upper flange plate, then the rotating shaft is rotated, the present invention is adjusted to the closed state shown in fig. 2, the second lower pulley 11 is also positioned below the upper flange plate, and the second U-shaped ring 9 is overlapped with the first U-shaped ring 3. The limiting rod 4 and the side pulleys 15 are respectively positioned at two sides of the upper flange plate, so that the transverse beam can be prevented from moving left and right on the I-beam, and the two lower pulleys are clamped below the upper flange plate, so that the I-beam can be prevented from falling off; constructors construct on the I-shaped beam and hang the safety belt on the second U-shaped ring and the first U-shaped ring. When the constructor moves along the I-beam, the two upper pulleys slide along the I-beam, so that the utility model automatically moves along with the constructor.

Claims

1. The utility model provides a portable safety belt couple for steel construction high altitude construction which characterized in that: the pulley device comprises a cross beam, wherein two upper pulleys are symmetrically sleeved on the cross beam, and a first U-shaped ring vertical to the cross beam is welded on the top surface of the cross beam; one end of the cross beam is welded with a limiting rod perpendicular to the cross beam, the upper end of the limiting rod is welded with the cross beam, and the lower end of the limiting rod is sleeved with a first lower pulley; a shaft sleeve parallel to the limiting rod is welded at the other end of the cross beam, the middle of the outer wall of the shaft sleeve is welded with the cross beam, a rotating shaft is movably inserted in the shaft sleeve, an upper cross rod parallel to the cross beam is welded at the upper end of the rotating shaft, one end of the upper cross rod is welded with the rotating shaft, the other end of the upper cross rod is welded with a second U-shaped ring parallel to the first U-shaped ring, a lower cross rod parallel to the cross beam is welded at the lower end of the rotating shaft, one end of the lower cross rod is welded with the rotating shaft, and a second lower pulley is sleeved at the other end of the lower cross rod; the rotating shaft can rotate in the shaft sleeve, and the second U-shaped ring and the first U-shaped ring are overlapped when the rotating shaft rotates to a state that the upper cross rod is positioned above the cross beam.

2. The movable safety belt hook for steel structure high-altitude construction according to claim 1, is characterized in that: the beam is of a sleeve type telescopic structure and comprises a first sleeve and a second sleeve, one end of the first sleeve is inserted into the second sleeve, a plurality of pin holes are respectively formed in the sleeved positions of the first sleeve and the second sleeve, and positioning pins or positioning bolts penetrate through the pin holes which are penetrated by the two sleeves; the two upper pulleys are respectively arranged on the first sleeve and the second sleeve.

3. The movable safety belt hook for steel structure high-altitude construction according to claim 1, is characterized in that: the lower end of the shaft sleeve is sleeved with a side pulley.

4. The movable safety belt hook for steel structure high-altitude construction according to claim 1, is characterized in that: two circular limiting plates are sleeved and welded on the rotating shaft, one limiting plate is located between the upper cross rod and the upper end of the shaft sleeve, and the other limiting plate is located between the lower cross rod and the lower end of the shaft sleeve.