CN219279334U

CN219279334U - Movable tower crane construction channel structure

Info

Publication number: CN219279334U
Application number: CN202320560821.5U
Authority: CN
Inventors: 魏新山; 龙子江; 刘哲睿; 田钦先; 田伟; 徐磊; 李櫪; 谢博章; 郑钰昌
Original assignee: No 1 Construction Engineering Co Ltd of Guizhou Construction and Engineering Group
Current assignee: No 1 Construction Engineering Co Ltd of Guizhou Construction and Engineering Group
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-06-30
Anticipated expiration: 2033-03-21

Abstract

The application discloses portable tower crane construction passageway structure includes: the displacement buffer cushion block is installed at the bottom of one end of the channel girder, and the end part of the channel girder provided with the displacement buffer cushion block is tightly pressed and fixed on the cross beam of the tower crane through the U-shaped limiting snap ring. The telescopic link that goes up and down is fixed to passageway girder other end, and the universal wheel is installed to telescopic link bottom, and the passageway girder other end extends to the floor of building body on, makes the universal wheel contact on the floor of building body. Vibration transmission buffering reduction between tower crane and the building body is realized through the combination of rolling displacement of a steering wheel, lifting displacement of a telescopic rod and elastic displacement of a displacement buffering cushion block, so that the abrasion loss of local motion is reduced, two ends of a channel girder are correspondingly lapped on a building surface of the building body and a beam of the tower crane, and the problem that the abrasion of a hinge point is increased and the safety is reduced due to excessive overturning of a front channel is solved.

Description

Movable tower crane construction channel structure

Technical Field

The utility model relates to a movable tower crane construction channel structure, and belongs to the technical field of building construction.

Background

When building a high-rise building, in order to facilitate the operation staff to walk between the tower crane and the building, a channel structure is required to be constructed between the tower crane and the building. In order to protect the stability of the tower crane, the two ends of the channel are correspondingly connected to the tower crane and the building body, and flexible connection is needed, so that vibration waves are prevented from being transmitted between the tower crane and the building body.

The prior art is a multistage turning tower crane channel of a mould frame platform with a Chinese patent publication number of CN207142695U, and the disclosed technology is as follows: the rear section channel and the front section channel are turned over; although the front section channel and the rear section channel can be hinged and rotated to be opened and installed, the vibration wave can be generated to carry out displacement supplement to reduce vibration transmission, the problem that the abrasion of the hinge point is increased and the safety is reduced due to the fact that the hinge point of the front section channel and the rear section channel is located in a suspension distance space and the front section channel is excessively overturned.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a movable tower crane construction channel structure.

The utility model is realized by the following technical scheme.

The utility model provides a movable tower crane construction channel structure, which comprises the following components:

the displacement buffer cushion block is installed at the bottom of one end of the channel girder, and the end part of the channel girder provided with the displacement buffer cushion block is tightly pressed and fixed on the cross beam of the tower crane through the U-shaped limiting snap ring.

The telescopic link that goes up and down is fixed to passageway girder other end, and the universal wheel is installed to telescopic link bottom, and the passageway girder other end extends to the floor of building body on, makes the universal wheel contact on the floor of building body.

And the U-shaped limiting snap ring is fixed with the side edge of the channel girder.

The U-shaped limiting clamp ring and the cross beam clamp sleeve are pressed on the cross beam by a displacement buffer cushion block at the bottom surface of the main beam of the channel under the pressing force of the U-shaped limiting clamp ring.

The displacement buffer cushion block is elastic rubber.

And a limiting body is fixedly arranged on the floor surface at the side edge of the universal wheel.

And the main channel beam is provided with a pedal through a secondary beam formed by square steel.

The number of the secondary beams is multiple and the secondary beams are fixed on the channel main beams at intervals in a welding mode.

And the side edge of the channel girder is fixedly provided with a grid type guard rail.

The utility model has the beneficial effects that: vibration transmission buffering reduction between tower crane and the building body is realized through the combination of rolling displacement of a steering wheel, lifting displacement of a telescopic rod and elastic displacement of a displacement buffering cushion block, so that the abrasion loss of local motion is reduced, two ends of a channel girder are correspondingly lapped on a building surface of the building body and a beam of the tower crane, and the problem that the abrasion of a hinge point is increased and the safety is reduced due to excessive overturning of a front channel is solved.

Drawings

FIG. 1 is a schematic diagram of the structure of the front view of the present utility model;

FIG. 2 is a schematic rear view of the present utility model;

in the figure: 1-a channel girder; 11-displacement buffer cushion blocks; 12-U-shaped limiting snap ring; 13-a telescopic rod; 2-tower crane; 21-a cross beam; 3-universal wheels; 4-building body; 41-floor level; 42-limiting body; 5-secondary beams; 51-pedal; 52-grid type guard rail.

Detailed Description

The technical solution of the present utility model is further described below, but the scope of the claimed utility model is not limited to the above.

As shown in fig. 1-2.

The utility model provides a portable tower crane construction passageway structure, include:

the channel girder 1 is formed by channel steel, the displacement buffer cushion block 11 made of elastic rubber is installed at the bottom of one end of the channel girder 1, the end part of the channel girder 1 provided with the displacement buffer cushion block 11 is tightly pressed and fixed on the cross beam 21 of the tower crane 2 through the U-shaped limiting snap ring 12, after the U-shaped limiting snap ring 12 welded and fixed with the side edge of the channel girder 1 is clamped with the cross beam 21, the displacement buffer cushion block 11 at the bottom surface of the channel girder 1 is tightly pressed on the cross beam 21 under the pressing force of the U-shaped limiting snap ring 12.

The telescopic link 13 that goes up and down is fixed to passageway girder 1 other end, and universal wheel 3 is installed to telescopic link 13 bottom, and passageway girder 1 other end extends to on the floor 41 of building body 4, makes universal wheel 3 contact on the floor 41 of building body 4, and the vibration transmission between tower crane 2 and the building body 4 is reduced in the buffering of the combination of the three of rolling displacement of universal wheel 3 itself, telescopic link 13 lift displacement and displacement buffer pad 11 elastic displacement.

The vibration transmission buffer reduction between the tower crane 2 and the tower crane 4 is realized by combining the rolling displacement of the steering wheel 3, the lifting displacement of the telescopic rod 13 and the elastic displacement of the displacement buffer cushion block 11, so that the abrasion loss of local motion is reduced, and the two ends of the channel main beam 1 are correspondingly lapped on the floor surface 41 of the tower crane 4 and the cross beam 21 of the tower crane 2, thereby solving the problem that the abrasion of a hinge point is increased and the safety is reduced due to excessive overturning of a front channel.

And a limiting body 42 is fixedly arranged on the floor surface 41 positioned on the side edge of the universal wheel 3, and the limiting body 42 limits the maximum rolling displacement of the universal wheel 3.

The secondary beam 5 formed by square steel is arranged on the channel main beam 1, and the pedal 51 is formed by a protective steel plate. The number of the secondary beams 5 is two, the secondary beams are fixedly welded on the channel main beams 1 at intervals, and the grid type guard rails 52 are fixedly arranged on the side edges of the channel main beams 1.

Claims

1. The utility model provides a portable tower crane construction passageway structure which characterized in that includes:

the bottom of one end of the channel girder (1) is provided with a displacement buffer cushion block (11), the end part of the channel girder (1) provided with the displacement buffer cushion block (11) is tightly pressed and fixed on a cross beam (21) of the tower crane (2) through a U-shaped limit clamping ring (12),

the telescopic link (13) that goes up and down is fixed to passageway girder (1) other end, and universal wheel (3) are installed to telescopic link (13) bottom, and passageway girder (1) other end extends to on floor (41) of building body (4), makes universal wheel (3) contact on floor (41) of building body (4).

2. The movable tower crane construction tunnel structure of claim 1, wherein: the U-shaped limiting snap ring (12) is fixed with the side edge of the channel girder (1).

3. The movable tower crane construction tunnel structure of claim 1, wherein: the U-shaped limiting clamp ring (12) and the cross beam (21) are clamped, and the displacement buffer cushion block (11) on the bottom surface of the channel main beam (1) is tightly pressed on the cross beam (21) under the pressing force of the U-shaped limiting clamp ring (12).

4. The movable tower crane construction tunnel structure of claim 1, wherein: the displacement buffer cushion block (11) is elastic rubber.

5. The movable tower crane construction tunnel structure of claim 1, wherein: and a limiting body (42) is fixedly arranged on the floor surface (41) positioned on the side edge of the universal wheel (3).

6. The movable tower crane construction tunnel structure of claim 1, wherein: a pedal (51) is arranged on the channel main beam (1) through a secondary beam (5) formed by square steel.

7. The movable tower crane construction tunnel structure of claim 6, wherein: the number of the channel main beams (1) is two, the number of the secondary beams (5) is multiple, and the secondary beams are fixed on the channel main beams (1) at intervals in a welding mode.

8. The mobile tower crane construction tunnel structure of claim 7, wherein: the side of the channel girder (1) is fixedly provided with a grid type guard rail (52).