CN211524013U

CN211524013U - Prevent down type scaffold frame

Info

Publication number: CN211524013U
Application number: CN201821267327.5U
Authority: CN
Inventors: 黄国兴; 沈济良; 孟天驹
Original assignee: Zhejiang Dadongwu Group Construction Co Ltd
Current assignee: Zhejiang Dadongwu Group Construction Co Ltd
Priority date: 2018-08-08
Filing date: 2018-08-08
Publication date: 2020-09-18
Anticipated expiration: 2028-08-08

Abstract

The anti-falling scaffold comprises a plurality of transverse tubes, a plurality of longitudinal tubes and a connecting piece for fixing the transverse tubes and the longitudinal tubes, wherein a supporting block is arranged in the middle of each longitudinal tube, an adjusting rod is screwed on one side of each supporting block, a fastening device is arranged at one end of each adjusting rod, a handle is arranged at the other end of each adjusting rod, a plurality of positioning rods are arranged between each fastening device and the corresponding supporting block, one end of each positioning rod is slidably connected with the corresponding supporting block, and the other end of each positioning rod is welded with the corresponding fastening device. The utility model has the advantages of stable connection with the wall and difficult dumping.

Description

Prevent down type scaffold frame

Technical Field

The utility model relates to a building tool technical field, especially a prevent down type scaffold frame.

Background

Scaffolding is the most common device in building construction today. In the prior art, a scaffold is constructed by a plurality of transverse tubes, a plurality of longitudinal tubes, and fasteners for fixing the transverse tubes and the longitudinal tubes. The built scaffold is provided with support pipes pointing to the wall fixing holes, and the support pipes are inserted into the wall fixing holes to support the scaffold. Because the support pipe is only inserted into the wall fixing hole and has no actual fixed connection relation with the wall fixing hole, the scaffold is more stable by the self net structure. When a large external force is suddenly applied, the scaffold is inevitably toppled, and the safety of constructors and surrounding personnel is seriously threatened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent down type scaffold frame, the utility model provides a current scaffold frame unstable with wall connection, the problem of empting takes place easily when meetting great external force.

The technical solution of the utility model is that: the anti-falling scaffold comprises a plurality of transverse tubes, a plurality of longitudinal tubes and a connecting piece for fixing the transverse tubes and the longitudinal tubes, wherein a supporting block is arranged in the middle of each longitudinal tube, an adjusting rod is screwed on one side of each supporting block, a fastening device is arranged at one end of each adjusting rod, a handle is arranged at the other end of each adjusting rod, a plurality of positioning rods are arranged between each fastening device and the corresponding supporting block, one end of each positioning rod is slidably connected with the corresponding supporting block, and the other end of each positioning rod is welded with the corresponding fastening device.

Preferably, the length extension direction of the adjusting rod is perpendicular to the length extension direction of the longitudinal pipe body.

Preferably, the adjusting rod comprises a threaded portion penetrating through the supporting block, an adjusting portion integrally connected with the threaded portion, and a limiting plate arranged at the end of the adjusting portion, and the adjusting portion is attached to the inside of the fastening device.

Preferably, the length of the threaded portion is greater than the length of the adjustment portion.

Preferably, the adjustment portion is a vertebral body.

Preferably, the cross section of the regulating part is polygonal.

Preferably, the extension direction of the length of the inclined plane of the adjusting part points to the center of the fastening device.

Preferably, the fastening device comprises a telescopic ring in close contact with the adjusting rod, and a plurality of clamping pieces arranged on the telescopic ring, wherein the telescopic ring comprises a plurality of trapezoidal blocks arranged along the annular array at the end part of the adjusting rod, and a plurality of springs arranged between the trapezoidal blocks.

Preferably, the moving direction of the trapezoidal block is perpendicular to the moving direction of the adjusting rod.

Preferably, the clamping piece comprises a fixed block welded with the trapezoidal block and an arc-shaped clamping hook arranged on the fixed block, and an included angle between the tangential direction of the arc-shaped surface of the arc-shaped clamping hook and the central line of the telescopic ring is 45 degrees.

The utility model has the advantages that:

the utility model has the advantages of stable connection with the wall and difficult dumping.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the fastening device;

FIG. 3 is a side view of the fastening device;

FIG. 4 is a schematic view of the present invention in combination with a wall;

in the figure: the pipe comprises a transverse pipe body 1, a longitudinal pipe body 2, a connecting piece 3, a supporting block 4, an adjusting rod 5, a threaded part 5-1, an adjusting part 5-2, a limiting plate 5-3, a fastening device 6, a telescopic ring 6-1, a trapezoidal block 6-1-1, a spring 6-1-2, a clamping piece 6-2, a fixed block 6-2-1, an arc-shaped clamping hook 6-2, a positioning rod 7 and a handle 8.

Detailed Description

The present invention will be further described with reference to the following embodiments in conjunction with the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

In an embodiment, as shown in fig. 1, an anti-falling scaffold includes a plurality of transverse tubes 1, a plurality of longitudinal tubes 2, and a connecting member 3 for fixing the transverse tubes 1 and the longitudinal tubes 2, wherein a supporting block 4 is disposed in the middle of the longitudinal tubes 2, an adjusting rod 5 is screwed on one side of the supporting block 4, a fastening device 6 is disposed at one end of the adjusting rod 5, a handle 8 is disposed at the other end of the adjusting rod 5, a plurality of positioning rods 7 are disposed between the fastening device 6 and the supporting block 4, one end of each positioning rod 7 is slidably connected to the supporting block 4, the other end of each positioning rod is welded to the fastening device 6, preferably, a sliding groove is disposed on the supporting block 4, a sliding block matched with the sliding groove is disposed on the positioning rod 7, and the sliding connection between the positioning rod 7. The length extension direction of the adjusting rod 5 is perpendicular to the length extension direction of the longitudinal pipe body 2. The adjusting rod 5 comprises a threaded portion 5-1 penetrating through the supporting block 4, an adjusting portion 5-2 integrally connected with the threaded portion 5-1, and a limiting plate 5-3 arranged at the end of the adjusting portion 5-2, and the adjusting portion 5-2 is attached to the inside of the fastening device 6. The length of the threaded part 5-1 is greater than that of the adjusting part 5-2. The adjusting part 5-2 is a vertebral body. The cross section of the adjusting part 5-2 is polygonal. The extension direction of the length of the inclined plane of the adjusting part 5-2 points to the center of the fastening device 6. As shown in fig. 2 and 3, the fastening device 6 includes a telescopic ring 6-1 closely contacting with the adjusting rod 5, and a plurality of clamps 6-2 disposed on the telescopic ring 6-1, and the telescopic ring 6-1 includes a plurality of trapezoidal blocks 6-1-1 disposed along an annular array at an end of the adjusting rod 5, and a plurality of springs 6-1-2 disposed between the trapezoidal blocks 6-1-1. The moving direction of the trapezoidal block 6-1-1 is vertical to the moving direction of the adjusting rod 5. The clamping piece 6-2 comprises a fixed block 6-2-1 welded with the trapezoidal block 6-1-1 and an arc-shaped clamping hook 6-2-2 arranged on the fixed block 6-2-1, and the included angle between the tangential direction of the arc-shaped surface of the arc-shaped clamping hook 6-2-2 and the central line of the telescopic ring 6-1 is 45 degrees.

The working principle is as follows: as shown in fig. 4, the handle 8 is rotated to make the screw portion 5-1 drive the adjusting portion 5-2 to move toward the fastening device 6, at this time, the trapezoidal block 6-1-1 is in close contact with the adjusting portion 5-2, and moves towards the inner wall of the wall under the pushing action of the adjusting part 5-2 until the clamping piece 6-2 is clamped with the inner wall of the wall, when the scaffold is subjected to an external force, because the positioning rod 7 fixes the position of the fixing device 6 on the adjusting rod 5, the whole position of the fixing device 6 can not move, the arc-shaped clamping hook 6-2-2 is tightly contacted with the inner wall of the wall body and is not easy to fall off from the inner part of the wall body, meanwhile, the position of the fastening device 6 is limited by the limiting plates 5-3, and the fixing device 6 cannot fall off from the adjusting rod 5, so that the scaffold is more stably connected with the wall and is not prone to toppling.

Claims

1. The utility model provides a prevent down type scaffold, includes a plurality of horizontal body (1), a plurality of vertical body (2), right horizontal body (1) with vertical body (2) carry out connecting piece (3) fixed, its characterized in that: the middle of the longitudinal pipe body (2) is provided with a supporting block (4), one side of the supporting block (4) is in threaded connection with an adjusting rod (5), one end of the adjusting rod (5) is provided with a fastening device (6), the other end of the adjusting rod is provided with a handle (8), a plurality of positioning rods (7) are arranged between the fastening device (6) and the supporting block (4), one end of each positioning rod (7) is in sliding connection with the supporting block (4), and the other end of each positioning rod is welded with the fastening device (6).

2. A fall-proof scaffold according to claim 1, characterized in that: the length extending direction of the adjusting rod (5) is perpendicular to the length extending direction of the longitudinal pipe body (2).

3. A fall-proof scaffold according to claim 1, characterized in that: the adjusting rod (5) comprises a thread part (5-1) penetrating through the supporting block (4), an adjusting part (5-2) integrally connected with the thread part (5-1), and a limiting plate (5-3) arranged at the end part of the adjusting part (5-2), and the adjusting part (5-2) is attached to the inside of the fastening device (6).

4. A fall prevention scaffold according to claim 3, wherein: the length of the thread part (5-1) is larger than that of the adjusting part (5-2).

5. A fall prevention scaffold according to claim 3, wherein: the adjusting part (5-2) is a vertebral body.

6. A fall prevention scaffold according to claim 3, wherein: the cross section of the adjusting part (5-2) is polygonal.

7. A fall prevention scaffold according to claim 3, wherein: the extension direction of the length of the inclined plane of the adjusting part (5-2) points to the center of the fastening device (6).

8. A fall-proof scaffold according to claim 1, characterized in that: the fastening device (6) comprises a telescopic ring (6-1) which is in close contact with the adjusting rod (5) and a plurality of clamping pieces (6-2) arranged on the telescopic ring (6-1), wherein the telescopic ring (6-1) comprises a plurality of trapezoidal blocks (6-1-1) arranged along the annular array at the end part of the adjusting rod (5) and a plurality of springs (6-1-2) arranged between the trapezoidal blocks (6-1-1).

9. A fall prevention scaffold according to claim 8, wherein: the moving direction of the trapezoidal block (6-1-1) is vertical to the moving direction of the adjusting rod (5).

10. A fall prevention scaffold according to claim 8, wherein: the clamping piece (6-2) comprises a fixed block (6-2-1) welded with the trapezoidal block (6-1-1) and an arc-shaped clamping hook (6-2-2) arranged on the fixed block (6-2-1), and an included angle formed by the tangential direction of the arc-shaped surface of the arc-shaped clamping hook (6-2-2) and the central line of the telescopic ring (6-1) is 45 degrees.