CN218950883U

CN218950883U - Foldable protective railing for tower crane operation platform

Info

Publication number: CN218950883U
Application number: CN202222842201.9U
Authority: CN
Inventors: 郭东详; 齐宏涛; 李彦西; 吕向军; 孙东山; 梁清轩; 马海翔
Original assignee: Fourth Construction Co Ltd of China Construction Seventh Engineering Co Ltd
Current assignee: Fourth Construction Co Ltd of China Construction Seventh Engineering Co Ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-05-02
Anticipated expiration: 2032-10-27

Abstract

The utility model relates to a foldable protective railing for a tower crane operation platform, which comprises a tower crane main body, a support frame and a foldable railing, wherein the support frame is provided with a steel basketwork foldable railing which comprises an upper baffle rod, an upper folding arm, a lower folding arm, a middle pin shaft, a lower folding seat and a lower pin shaft, the lower folding seat is fixed on the outer side of the support frame, two sides of the lower folding seat are provided with limiting plates, the limiting plates are provided with a plurality of hinge holes and limiting holes, the limiting holes are distributed on the circumference of the hinge holes at intervals, the lower folding arm is hinged in the hinge holes and is provided with a connecting hole corresponding to the limiting holes, the lower pin shaft can be inserted into the limiting holes and the connecting holes to connect the lower folding arm with the lower folding seat, and the lower folding arm is hinged with the upper folding arm through the middle pin shaft.

Description

Foldable protective railing for tower crane operation platform

Technical Field

The utility model relates to the technical field of constructional engineering, in particular to a foldable protective railing for a tower crane operating platform.

Background

The tower crane is an indispensable part of high-rise building construction of a construction site, how to protect the tower crane, prevent the occurrence of safety accidents, and create a safe and attractive civilized construction site is a difficult problem which a construction unit needs to face, and particularly the important tower crane protection and the tower crane periphery protection, and the Jing Fengbiao tower crane protective fence well solves the problem.

In the installation and the dismantlement process of tower crane and attached wall, need set up the operation platform that supplies constructor work, should set up the protection railing around operation platform in order to guarantee constructor's safety in operation platform's the structure, operation platform's protection railing, traditional way sets up steel pipe fastener formula protection railing around operation platform, but adopts this kind of way, the splice is more, high altitude equipment difficulty, and the potential safety hazard is big, based on this, it is necessary to study a foldable protection railing for tower crane operation platform.

Disclosure of Invention

In view of the above, the utility model aims to provide a foldable protective railing for a tower crane operation platform, which effectively solves the problems of more splicing points, difficult high-altitude assembly and great potential safety hazard of the existing tower crane guardrails.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a folding guardrail bar for tower crane operation platform, includes tower crane main part, support frame and folding guardrail bar, the outside of tower crane main part is provided with the support frame that surrounds the tower crane main part, has arranged steel ballet on the support frame, folding guardrail bar includes shelves pole, upper folding arm, lower folding arm, well round pin axle, lower folding seat and lower round pin axle, the outside at the support frame is fixed to lower folding seat, and the both sides of lower folding seat are provided with the limiting plate, are provided with hinge hole and spacing hole on the limiting plate, wherein the spacing hole is provided with a plurality ofly to interval distribution is on the circumference that the hinge hole is the centre of a circle, lower folding arm articulates in the hinge hole to be provided with a connecting hole that corresponds with the spacing hole thereupon, lower round pin axle can insert spacing hole and connecting hole, link together lower folding arm and lower folding seat down, lower folding arm and upper folding arm are articulated together through well round pin axle, upper rod shelves is arranged in the upper portion of upper folding arm along the horizontal direction.

Further, the upper folding arm and the lower folding arm are arranged in parallel, and connecting rods are arranged on the upper folding arm and the lower folding arm on the same side.

Further, the connecting rod is arranged in parallel with the upper baffle.

Furthermore, the upper baffle rods at the adjacent sides are respectively provided with a fixing clip, and the fixing clips are connected together through fixing sheets.

Further, the fixing clamp is a screw, the fixing piece is sleeved on the screw, and a nut is additionally arranged on the screw to fix the fixing piece on the adjacent upper stop lever.

Further, the end part of the middle pin shaft is provided with a threaded section, and a nut is connected to the threaded section in a threaded mode.

The beneficial effects of the technical scheme are as follows: aiming at the problems of more splicing points and difficult assembly of the existing protective guard, the folding type protective guard adopts a folding structure to divide the periphery of the square surrounding shield into four independent parts, namely, each surface is of an integral structure, the integral structure can be independently folded, is convenient to store after disassembly, has fewer connecting nodes, is convenient and quick to install, is a finalized component, has low cost, can be repeatedly recycled, increases the anti-climbing quantity of the tower crane, and better prevents other people except the tower from climbing the tower crane.

Therefore, the utility model has novel structure, and provides a novel protective railing device for an operation platform, which adopts a foldable telescopic shaping protective railing, the foldable protective railing and an operation platform base are shaping assembly parts, when in construction, constructors only need to assemble the shaping assembly parts according to the assembly sequence, then the folding protective railing upright posts are erected, the hinging relation between the bottoms and the middle parts is locked, then the fixing sheets are assembled together, the splicing connection points are reduced, the operation is convenient, the assembly and the high-altitude installation are convenient, and the potential safety hazard is reduced.

Drawings

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

FIG. 2 is a schematic view of a folding balustrade;

FIG. 3 is a side view of the lower folding seat;

fig. 4 is another state diagram of fig. 3.

Reference numerals: the novel tower crane comprises a tower crane main body 1, a supporting frame 2, an upper baffle rod 3, a steel ballet 4, a lower folding arm 5, an upper folding arm 6, a middle pin shaft 7, a lower folding seat 8, a limiting plate 9, a hinging shaft 10, a lower pin shaft 11, a fixing clip 12, a fixing sheet 13, a limiting hole 14 and a connecting rod 15.

Detailed Description

The utility model is described in further detail below with reference to the attached drawings and detailed description:

embodiment 1, this embodiment aims at providing a protection railing for tower crane operation platform is collapsible, and its mainly used tower crane's protection guardrail structure is many to current tower crane guardrail splice point, high altitude equipment difficulty, the big problem of potential safety hazard, and this embodiment provides a protection railing of quick, safe and saving cost's tower crane and wall attached safety and tear operation platform open, can solve the problem that the installation difficulty and potential safety hazard are many that lead to with steel pipe fastener equipment in the prior art.

As shown in fig. 1-4, a foldable protective railing for a tower crane operation platform comprises a tower crane main body 1, a support frame 2 and a folding railing, wherein the tower crane main body 1 is positioned in the middle, the support frame 2 surrounding the tower crane main body is arranged outside the tower crane main body 1, the support frame 2 is of a steel frame structure, the support frame 2 extends outwards, and a steel ballet 4 is arranged on the support frame so as to form an operation platform with a certain space.

In this embodiment, the folding guardrail is arranged in the outer side area of the support frame 2, as shown in fig. 2-4 in the structure, the folding guardrail comprises an upper baffle rod 3, an upper folding arm 6, a lower folding arm 5, a middle pin shaft 7, a lower folding seat 8 and a lower pin shaft 11, wherein the lower folding seat 8 is fixed on the outer side of the support frame 2, the fixing mode can be a welding non-detachable fixing mode or a bolt-type detachable fixing mode, for the bolt-type fixing, ear plates can be arranged on two sides of the lower folding seat, and the ear plates are fixed on the outer side of the support frame through bolts, so that the purpose is to provide a foundation for folding hinge joint of the lower folding arm 5.

In this embodiment, limiting plates 9 are disposed on two sides of the lower folding seat 5, hinge holes and limiting holes are disposed on the limiting plates 9 on two sides, wherein the limiting holes 14 are disposed in a plurality of positions and are distributed on a circumference with the hinge holes as a center of a circle, the lower folding arm 5 is hinged in the hinge holes through a hinge shaft 10 and is provided with a connecting hole corresponding to the limiting hole, and the lower pin shaft 11 can be inserted into the limiting holes and the connecting holes to connect the lower folding arm with the lower folding seat, so that in this embodiment, a structure for hinging and locking the hinge is disposed between the lower folding seat and the lower folding arm, and a certain degree of locking can be performed on an unfolding state.

The lower folding arm 5 and the upper folding arm 6 are hinged together through a middle pin shaft 7, the upper gear lever 3 is arranged at the upper part of the upper folding arm 6 along the horizontal direction, the relation can be a movable hinging relation or a fixable hinging relation, in the implementation, the end part of the pin shaft 7 can be provided with threads, and a hinging shaft is formed through a nut, so that the structure can allow the hinging relation of the middle part to be locked, namely, the hinging point of the folding guardrail can be locked through the structure and is in a fixed state, so that the stability of the structure is improved.

In a further implementation process, the upper folding arms 6 and the lower folding arms 5 are arranged in parallel, connecting rods 15 are arranged on the upper folding arms and the lower folding arms on the same side, the connecting rods 15 are arranged in parallel with the upper baffle, and the folding guardrails on the same side can be of an integrated structure through the connecting rod structure.

When the folding guardrail stands up, in order to fix the adjacent folding guardrails, fixing clips 12 are arranged on the upper baffle rods 3 on the adjacent sides, the fixing clips 12 are connected together through fixing sheets 13, the fixing clips 12 are screw rods, the fixing sheets 13 are sleeved on the screw rods, nuts are additionally arranged on the screw rods, and the fixing sheets are fixed on the adjacent upper baffle rods.

From this, this embodiment provides a new operation platform protection railing device, adopt collapsible telescopic shaping protection railing, collapsible protection railing and operation platform base are shaping equipment parts, constructor only need accomplish shaping equipment parts according to the equipment order equipment when the construction, then erect folding protection railing stand to the hinge relation lock at bottom and middle part, then with the stationary blade with adjacent guardrail equipment together can, reduce the concatenation tie point, be convenient for operation, convenient equipment and high altitude installation reduce the potential safety hazard.

While the basic principles and main features of the present utility model and advantages of the present utility model have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described in the foregoing specification merely illustrate the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but be used for tower crane operation platform folding guardrail bar, its characterized in that, including tower crane main part, support frame and folding guardrail bar, the outside of tower crane main part is provided with the support frame that surrounds the tower crane main part, has arranged steel ballet on the support frame, folding guardrail bar includes upper baffle pole, upper folding arm, lower folding arm, well round pin axle, lower folding seat and lower round pin axle, lower folding seat is fixed in the outside of support frame, and the both sides of lower folding seat are provided with the limiting plate, are provided with hinge hole and spacing hole on the limiting plate, and wherein the spacing hole is provided with a plurality ofly to the interval distribution is on the circumference that the hinge hole is the centre of a circle, lower folding arm articulates in the hinge hole to be provided with a connecting hole that corresponds with the spacing hole on it, lower round pin axle can insert spacing hole and connecting hole, link together lower folding arm and lower folding seat down, lower folding arm and upper folding arm are articulated together through well round pin axle, upper baffle pole is arranged in the upper portion of upper folding arm along the horizontal direction.

2. The collapsible guard rail for a tower crane operating platform of claim 1, wherein: the upper folding arms and the lower folding arms are arranged in parallel, and connecting rods are arranged on the upper folding arms and the lower folding arms on the same side.

3. The collapsible guard rail for a tower crane operating platform of claim 2, wherein: the connecting rod is arranged in parallel with the upper baffle.

4. A collapsible guard rail for a tower crane operating platform according to any one of claims 1 to 3, wherein: the upper baffle rods on the adjacent sides of the adjacent sides are respectively provided with a fixing clip, and the fixing clips are connected together through fixing sheets.

5. The collapsible guard rail for a tower crane operating platform of claim 4, wherein: the fixing clamp is a screw rod, the fixing piece is sleeved on the screw rod, and a nut is additionally arranged on the screw rod to fix the fixing piece on the adjacent upper stop rod.

6. The collapsible guard rail for a tower crane operating platform of claim 1, wherein: the end part of the middle pin shaft is provided with a threaded section, and the threaded section is connected with a nut in a threaded manner.