CN220768786U - Movable scaffold with liftable guard rail - Google Patents

Abstract

The utility model discloses a movable scaffold with a lifting guard rail, which comprises a scaffold body and the lifting guard rail at the top end of the scaffold body, wherein the lifting guard rail comprises a plurality of ejector rods, two ends of each ejector rod are respectively connected in pairs to form a surrounding structure, and the shape of the surrounding structure is the same as the peripheral outline of an operation platform of the scaffold; the plurality of guard rail vertical rods are connected with the joint of each two ejector rods at one end, and the other end of one guard rail vertical rod is inserted into the scaffold vertical rod and can slide in the scaffold vertical rod; the auxiliary cross bars are arranged below the ejector rods and connected with the guard rail upright posts; one end of the guard rail upright post inserted scaffold upright post is provided with a first locking structure for fixing the guard rail upright post and adjusting the extending height of the guard rail upright post. When the barrier is at the top and can not move or passes through the door opening, the liftable guard rail can be retracted into the upright rod of the scaffold, so that the scaffold can be ensured to be smoothly transferred at different operation positions.

Description

Movable scaffold with liftable guard rail

Technical Field

The utility model relates to the field of buildings, in particular to a movable scaffold with a lifting guard rail.

Background

The tool type scaffold is used as a tool type operation platform, has the advantages of convenience in moving, suitability for various narrow spaces and the like. The high-altitude working surface is provided for indoor repair, masonry, plastering and putty construction, a steel pipe scaffold is not required to be erected, only the tool type scaffold is required to be erected, the tool type scaffold can be moved on the ground, and transfer between the working surfaces is facilitated. The upper part of the tool type scaffold operation platform in the market at present is a pavement platform. The tool type scaffold operation platform is basically 2 meters in height, under the condition that the operation platform is free of protective railings, potential safety hazards of falling high in the use process exist, and workers easily fall from the platform in the construction process to cause safety accidents. Therefore, in order to ensure the personal safety of constructors, a protective railing needs to be arranged on the operation platform.

The existing scaffold is generally provided with a fixed guard rail integrated with a scaffold operation platform, but after a working face is constructed, the position of a pipeline bridge and the position of a door opening exist in a basement and the like, the problem that the scaffold cannot be moved to the next working face due to the fact that the height of the operation frame is too high exists, workers are required to detach and mount the operation frame again to the next working face for mounting, the fixed integrated guard rail is inconvenient to mount and detach, more labor is consumed for dismounting and reinstallation of the operation frame, the guard rail is required to operate on the platform for mounting and erecting the operation platform, and certain potential safety hazards exist in the operation process.

The above problems are to be solved.

Disclosure of Invention

The utility model provides a movable scaffold with a liftable guard rail, which aims to overcome the defect that in the movable scaffold moving operation of the prior art, the fixed guard rail is too high in height and needs time and labor for disassembly.

The technical scheme of the utility model is as follows:

a movable scaffold with a liftable guard rail, which comprises a scaffold body and the liftable guard rail fixedly connected to the top end of the scaffold body, wherein the liftable guard rail comprises,

the two ends of the ejector rods are respectively connected in pairs to form a surrounding structure, and the shape of the surrounding structure is the same as the peripheral outline of the scaffold operation platform;

the guard rail comprises a plurality of guard rail vertical rods, wherein one end of each guard rail vertical rod is connected with the joint of every two ejector rods, and the other end of each guard rail vertical rod is inserted into the scaffold vertical rod and can slide in the scaffold vertical rod;

the auxiliary cross bars are arranged below the ejector rods and connected with the guard rail upright rods;

the guard rail vertical rod is inserted into one end of the scaffold vertical rod, and a first locking structure is arranged at one end of the scaffold vertical rod and used for fixing the height of the guard rail vertical rod extending out of the scaffold vertical rod.

Further, in an embodiment, two ends of two adjacent auxiliary cross bars are connected through steel pipes, one guard rail upright rod is sleeved in the steel pipe at a corresponding position, and the steel pipe can slide on the guard rail upright rod;

the movable scaffold with the liftable guard rail further comprises a second locking structure, wherein the second locking structure is positioned on the guard rail vertical rod, and the second locking structure is positioned below the auxiliary cross rod and used for fixing the auxiliary cross rod to a preset position of the guard rail vertical rod.

Further, in an embodiment, the first locking structure and the second locking structure are both snap fasteners.

Further, in an embodiment, the guard rail upright and the steel tube are circular tubes, and the inner diameter of the steel tube is larger than the outer diameter of the guard rail upright.

Further, in an embodiment, the ejector rod and the auxiliary cross rod are square tubes.

Further, in an embodiment, four pins are provided at two ends of one pin, three pins are welded to form a semi-enclosed structure, and two pins are respectively inserted into two ends of the semi-enclosed structure, which are not closed.

Further, in an embodiment, two sides of the movable scaffold with the liftable guard rail are provided with climbing ladders for climbing.

Further, in an embodiment, the guard rail pole and the scaffold pole are circular tubes, and the guard rail pole outer diameter is less than the scaffold pole inner diameter.

Further, in an embodiment, the number of ejector pins is the same as the number of auxiliary crossbars.

According to the scheme, the lifting guard rail has the beneficial effects that the ejector rod and the auxiliary cross rod of the lifting guard rail are arranged on the guard rail upright rod, one end of the guard rail upright rod is inserted into the scaffold upright rod and can slide in the scaffold upright rod, the guard rail upright rod is fixed by the first locking structure arranged on the guard rail upright rod, the height of the lifting guard rail higher than the operating platform can be adjusted by adjusting the height position of the first locking structure on the guard rail upright rod, so that the integral height of the movable scaffold with the lifting guard rail is changed, and therefore, when a working face is changed, the guard rail upright rod is retracted into the scaffold upright rod, and the lifting method is simple and quick and does not need to disassemble the scaffold. And in this application with the rail guard pole setting of liftable railing follow scaffold pole setting in take out and can accomplish the opening of protection railing by first locking structure is fixed, but the opening mode of lifting rail guard is convenient quick, has reduced scaffold frame installation and has disassembled constructor's operation dangerous degree, reduces the potential safety hazard.

Drawings

FIG. 1 is a schematic view of a movable scaffold with a lifting guard rail;

FIG. 2 is a schematic diagram of a structure of a liftable guard rail;

FIG. 3 is a schematic view of the structure of the auxiliary rail;

FIG. 4 is a schematic view of a structure of a detachable side of a push rod;

fig. 5 is a schematic structural view of a detachable first cross bar.

In the figure, 100, a liftable guard rail; 110. a push rod; 1101. a connecting pipe is inserted; 120. a guard rail upright post; 130. an auxiliary cross bar; 1301. a steel pipe; 140. a first locking structure; 150. a second locking structure; 200. a scaffold body; 210. a scaffold upright rod; 220. and (5) climbing a ladder.

Detailed Description

The utility model is further described below with reference to the drawings and embodiments. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "vertical," "horizontal," "left," "right," "inner," "outer," and the like are used in this specification for purposes of illustration only. In the description of the present utility model, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or implicitly indicating the number of technical features indicated. Thus, unless otherwise indicated, features defining "first", "second" may include one or more such features either explicitly or implicitly; the meaning of "plurality" is two or more. The terms "comprises," "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that one or more other features, integers, steps, operations, elements, components, and/or groups thereof may be present or added.

Furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other. All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.

In addition, the technical features mentioned in the different embodiments of the utility model described below can be combined with one another as long as they do not conflict with one another.

As shown in fig. 1 and 2, the present application provides a mobile scaffold embodiment with a liftable guard rail 100, which comprises a scaffold body 200 and a liftable guard rail 100 connected and fixed at the top end of the scaffold body 200, wherein the liftable guard rail 100 comprises a mandril 110, a guard rail upright 120, an auxiliary cross bar 130 and a first locking structure 140. The number of the ejector rods 110 is four, two ends of the ejector rods 110 are respectively connected in pairs to form a surrounding structure, and the shape of the surrounding structure is the same as the peripheral outline of the scaffold operation platform and is rectangular. The number of the guard rail vertical rods 120 is four, one end of one guard rail vertical rod 120 is connected with the joint of every two mandrils 110, the other end of the guard rail vertical rod is inserted into the scaffold vertical rod 210, the guard rail vertical rods 120 and the scaffold vertical rods 210 are circular pipes, the outer diameter of the guard rail vertical rods 120 is smaller than the inner diameter of the scaffold vertical rods 210, the guard rail vertical rods 120 can slide in the scaffold vertical rods 210, and the number of the guard rail vertical rods 120 and the number of the scaffold vertical rods 210 are the same and are four. The four auxiliary cross bars 130 are arranged below the ejector rods 110 and connected with the guard rail upright rods 120, the auxiliary cross bars 130 are generally arranged in parallel with the ejector rods 110, the lengths of the auxiliary cross bars 130 are the same as those of the ejector rods 110 above the auxiliary cross bars, and when the height of the ejector rods 110 on the operation platform is larger, interception protection is provided to prevent constructors or objects on the operation platform from falling from between the ejector rods 110 and the operation platform; the end of the guard rail upright 120, which is inserted into the scaffold upright 210, is provided with a first locking structure 140, in this embodiment, the first locking structure 140 is a buckle fastening buckle, and each guard rail upright 120 is provided with a buckle fastening buckle, and the buckle fastening buckle fixes the guard rail upright 120.

When the buckle fastening buckle is locked, the buckle fastening buckle is buckled and connected with the top end of the scaffold upright post 210, a higher friction force is formed between the buckle fastening buckle and the guard rail upright post 120, the guard rail upright post 120 cannot slide in the buckle fastening buckle, the top end of the scaffold upright post 210 provides an upward supporting force for the buckle fastening buckle, the guard rail upright post 120 is ensured to be fixed and not slide in the scaffold upright post 210, the height of the liftable guard rail 100 is fixed, and the protection function of the liftable guard rail 100 is exerted on a scaffold operation platform; when the buckle fastening buckle is loosened, the non-contact friction force between the buckle fastening buckle and the guard rail upright 120 is extremely small, the guard rail upright 120 can slide smoothly in the scaffold upright 210, the guard rail upright 120 enters the scaffold upright 210 under the gravity action of the non-lifting guard rail 100, the height of the lifting guard rail 100 is reduced, namely, the height of the lifting guard rail 100 is adjusted, and the scaffold can move at different working positions conveniently. The lifting adjusting device is simple in structure, convenient to assemble and disassemble and convenient and quick to operate in lifting adjusting. When this application liftable rail guard 100 is upwards fixed, liftable rail guard 100 has been pulled out from scaffold pole setting 210, plays the guard action, and when liftable rail guard 100 downwardly lowering height, the operating personnel opens buckle fastening and detains the operation and can not go on scaffold operation platform, has solved the installation and has set up operation platform and has protected the railing and need operate on the platform but have not had the problem of safeguard measure in the operation process, has reduced the potential safety hazard. And constructors can adjust the height of the liftable protective guard 100 according to the actual height condition of the constructors, so that the safety of the constructors is ensured.

In other embodiments, the first locking structure 140 may be other structures, such as a jack provided on the guard rail upright 120, and the plug is inserted into the jack to fix the guard rail upright 120, i.e. the first locking structure 140 is a plug, so as to realize lifting of the rod of the liftable guard rail 100.

As shown in fig. 3 and fig. 2, in an embodiment, the four auxiliary cross bars 130 are provided, the movable scaffold with the liftable guard rail 100 further includes four second locking structures 150, two adjacent auxiliary cross bars 130 are connected by steel pipes 1301 at two ends, four guard rail upright bars 120 are respectively sleeved in the steel pipes 1301 at four corresponding positions, the guard rail upright bars 120 and the steel pipes 1301 are circular pipes, the inner diameter of the steel pipes 1301 is larger than the outer diameter of the guard rail upright bars 120, the steel pipes 1301 can slide on the guard rail upright bars 120, and the second locking structures 150 are located on the guard rail upright bars 120 and below the auxiliary cross bars 130 and are used for fixing the auxiliary cross bars 130 to preset positions of the guard rail upright bars 120. Here, the second locking structure 150 is also a snap fastener, and the height of the steel tube 1301 is the same as the height of the auxiliary rail 130. When the buckle fastening buckle is locked, the steel pipe 1301 is pressed on the buckle fastening buckle, a high friction force is generated between the buckle fastening buckle and the guard rail upright 120, and the buckle fastening buckle can provide upward supporting force for the steel pipe 1301, so that the auxiliary cross rod 130 is fixed in position; when the buckle fastening buckle is loosened, the non-contact friction force between the buckle fastening buckle and the guard rail upright 120 is extremely small, and the auxiliary cross rod 130 can slide up and down on the guard rail upright 120. The auxiliary cross rod 130 and the buckle fastening buckle are combined, so that when the height of the liftable protective guard 100 is reduced, all the second locking structures 150 and all the first locking structures 140 are directly loosened, the protective guard upright 120 of the liftable protective guard 100 slides downwards under the action of self gravity, and the residual height of the liftable protective guard 100 at the top end of the scaffold upright 210 is the sum of the heights of the ejector rod 110 and the auxiliary cross rod 130, so that the height adjustable range is large.

In other embodiments, there may be two auxiliary rails 130, and two ends of the auxiliary rails 130 are welded to one steel pipe 1301, respectively.

As shown in fig. 4 and 5, in an embodiment, the scaffold operation platform is rectangular, the ejector rods 110 are four, and are two longer long rods and two short rods respectively, wherein two long rods are welded with two ends of one short rod respectively to form a semi-enclosed structure, two ends of the other short rod are provided with insertion pipes 1101, and the two insertion pipes 1101 are inserted into two non-enclosed ends of the semi-enclosed structure respectively. The side ejector rod 110 is designed into a structure capable of being movably connected, so that constructors can conveniently enter the liftable protective guard 100 on the operation platform.

As shown in fig. 1, in one embodiment, a climbing ladder 220 is provided on both sides of the movable scaffolding having the liftable guard rail 100. The two side ladders 220 are arranged to balance the weight of the two sides of the scaffold, and the access way of the operation platform is increased, so that at least two constructors can enter the operation platform through the ladders 220 at the same time.

In one embodiment, the number of ejector pins 110 is the same as the number of auxiliary rails 130. In other embodiments, the number of auxiliary crossbars 130 may be less than the number of ejector pins 110, for example, only two auxiliary crossbars 130 are disposed below the longer ejector pins 110.

In one embodiment, the liftable guard rail 100 further comprises a third locking structure disposed on the guard rail upright 120 above the auxiliary rail 130. The third locking structure is a snap fastener like the second locking structure, preventing the auxiliary rail 130 from sliding upward on the upright, which cooperates with the second locking structure to secure the auxiliary rail 130.

In one embodiment, the ejector 110 and the auxiliary rail 130 are square tubes. The ejector rod 110 and the auxiliary cross rod 130 are square tubes with the specification of 40 x 40, and four square tubes are respectively arranged. The guard rail upright posts 120 and the steel pipes 1301 are round pipes, the guard rail upright posts 120 are DN40 steel pipes, and the length of each of the four guard rail upright posts is 1.8 meters; steel tube 1301 is DN48 steel tube, four each of height 50 millimeters. The plug 1101 is 40 x 40 square, two each 100 mm long. The four ejector pins 110 comprise two longer long pins of 1.92 meters and two short pins of 0.92 meters; the four auxiliary rails 130 include two longer long bars of 1.92 meters and two short bars of 0.92 meters. The long rods of the two ejector rods 110 are welded with the short rod of one ejector rod 110, and then the guard rail upright rods 120 are welded at the joints of the ejector rods 110 respectively to form a component A shown in figure 4; the two ends of the short rod of the rest one mandril 110 are respectively welded with the splicing tube 1101 to form a component B shown in figure 5; steel tube 1301 is welded to the long and short bars of the four auxiliary rails 130, respectively, to form assembly C as shown in fig. 3. The component B is inserted into the notch of the component A, four upright posts of the component A respectively penetrate into four steel pipes 1301, and two fastening buckles are arranged on each upright post to form the liftable protective guard 100 shown in fig. 2. After the liftable guard rail 100 is assembled, the guard rail upright 120 is inserted into the scaffold upright 210, the height of the guard rail can be expanded and contracted by adjusting the position of the buckle fastening buckle, and the use can be completed by twisting the buckle fastening buckle.

It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the implementation of the utility model is not limited by the above manner, and it is within the scope of the utility model to apply the inventive concept and technical solution to other situations as long as various improvements made by the inventive concept and technical solution are adopted, or without any improvement.

Claims (8)

1. The movable scaffold with the liftable guard rail comprises a scaffold body and the liftable guard rail fixedly connected to the top end of the scaffold body, and is characterized in that the liftable guard rail comprises,

the two ends of the ejector rods are respectively connected in pairs to form a surrounding structure, and the shape of the surrounding structure is the same as the peripheral outline of the scaffold operation platform;

the guard rail comprises a plurality of guard rail vertical rods, wherein one end of each guard rail vertical rod is connected with the joint of every two ejector rods, and the other end of each guard rail vertical rod is inserted into the scaffold vertical rod and can slide in the scaffold vertical rod;

the auxiliary cross bars are arranged below the ejector rods and connected with the guard rail upright rods;

the protective fence vertical rod is inserted into one end of the scaffold vertical rod, and a first locking structure is arranged at one end of the protective fence vertical rod and used for fixing the height of the protective fence vertical rod extending out of the scaffold vertical rod; the first locking structure is buckle fastening buckles, each guard rail upright rod is provided with one buckle fastening buckle, and the buckle fastening buckles fix the guard rail upright rods.

2. The movable scaffold with the liftable guard rail according to claim 1, wherein two ends of two adjacent auxiliary cross bars are connected through steel pipes, one guard rail upright is sleeved in the steel pipe at a corresponding position, and the steel pipe can slide on the guard rail upright;

the movable scaffold with the lifting guard rail further comprises a second locking structure, wherein the second locking structure is positioned on the guard rail upright rod, and the second locking structure is positioned below the auxiliary cross rod and used for fixing the auxiliary cross rod to a preset position of the guard rail upright rod;

the second locking structure is a buckle fastening buckle.

3. The portable scaffolding with lifting guard rail of claim 2, wherein the guard rail pole and the steel tube are circular tubes, the steel tube inner diameter being greater than the guard rail pole outer diameter.

4. The portable scaffolding with lifting guard rail of claim 1, wherein the ejector pins and the auxiliary rail are square tubes.

5. The movable scaffold with the liftable guard rail according to claim 1, wherein four ejector rods are provided, two ends of one ejector rod are provided with insertion pipes, three ejector rods are welded and connected to form a semi-enclosed structure, and two insertion pipes are respectively inserted into two ends of the semi-enclosed structure, which are not enclosed.

6. The portable scaffolding with lifting guard rail of claim 2, further comprising a third locking structure disposed on the guard rail upright above the auxiliary rail.

7. The portable scaffolding with lifting guard rail of claim 1, wherein the guard rail and scaffolding poles are circular tubes, the guard rail pole outer diameter being less than the scaffolding pole inner diameter.

8. The portable scaffolding with lifting guard rail of claim 1, wherein the number of roof bars is the same as the number of auxiliary rails.