CN218643804U

CN218643804U - Safe scaffold of job site

Info

Publication number: CN218643804U
Application number: CN202223378254.6U
Authority: CN
Inventors: 谢贻臻
Original assignee: China Three Gorges University CTGU
Current assignee: China Three Gorges University CTGU
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-03-17
Anticipated expiration: 2032-12-15

Abstract

The utility model belongs to the technical field of civil engineering construction, concretely relates to safe scaffold at job site, the on-line screen storage device comprises a base, two stands, drive mechanism, construction platform and anti-falling mechanism, the inside of base is equipped with gear motor, two stands are fixed on the base, drive mechanism includes two sets of drive assembly, drive assembly includes vertical slide rail, the lead screw, the slide, horizontal bevel gear and vertical bevel gear, slide sliding connection is on the lead screw, and slide and vertical slide rail sliding connection, horizontal bevel gear fixes the bottom at the lead screw, vertical bevel gear installs on gear motor's output shaft, both ends link to each other with the slide through the dead lever respectively about construction platform, anti-falling mechanism includes two sets of anti-falling subassemblies, anti-falling subassembly is including articulating two bracing pieces at both ends about construction platform, install the protection network between two bracing pieces. The device can prevent the tool from falling off the ground to injure pedestrians, can adjust the height of the construction platform, and is convenient for continuous operation of workers.

Description

Safe scaffold of job site

Technical Field

The utility model belongs to the technical field of civil engineering construction, specifically relate to a safe scaffold of job site.

Background

Civil engineering is a general name of science and technology for building various engineering facilities, and refers to applied materials and equipment and technical activities such as surveying, designing, constructing, maintaining and the like; and also refers to the objects of engineering construction, i.e. various engineering facilities such as houses, roads, railways, transport pipelines, water supply and drainage and protection works, etc., which are built on or under the ground, on land or in water, and serve human life, production, military, scientific research directly or indirectly. The construction site is called a construction site or a construction site, and is also called a construction site, wherein a scaffold is a device widely applied to the construction site, particularly indoor decoration and electromechanical installation need to be moved and lifted, so that the scaffold is often required to be constructed.

The existing scaffold is generally formed by assembling a plurality of vertical rods and transverse rods, a rectangular flat plate is fixed at the top end of each vertical rod, workers climb up to the rectangular flat plate through a crawling ladder and then stand on the rectangular flat plate for construction, the periphery of the rectangular flat plate is only protected by simple guardrails, the workers inevitably drop tools or parts onto the ground during operation, and the danger of injuring pedestrians on the ground is caused; in addition, most of the existing construction frames are of fixed structures and are not convenient to move, when the height needs to be adjusted, all workers above the construction frames need to get off, and then the construction frames are built again, so that time is wasted, physical strength is consumed, and working efficiency is affected.

Therefore, improvement is required.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a safe scaffold for a construction site, which comprises a base, two upright posts, a transmission mechanism, a construction platform and an anti-falling mechanism, wherein four corners below the base are respectively provided with a movable wheel, the left end and the right end inside the base are respectively provided with a first inner cavity, and each first inner cavity is respectively provided with a speed reducing motor;

the two upright columns are respectively fixed at the left end and the right end above the base, a second inner cavity is arranged in each upright column, the second inner cavity is communicated with the first inner cavity at the corresponding side to form a transmission cavity, and vertical guide notches are formed in the opposite side walls of the two upright columns;

the transmission mechanism comprises two groups of transmission assemblies, the two groups of transmission assemblies are respectively arranged inside the left transmission cavity and the right transmission cavity, each transmission assembly comprises a vertical slide rail, a screw rod, a sliding seat, a horizontal bevel gear and a vertical bevel gear, the vertical slide rails are fixed in the second inner cavity of the stand column, the screw rods are vertically arranged, the upper end and the lower end of each screw rod are respectively rotatably connected in the second inner cavity and the first inner cavity, the screw rods penetrate through the sliding seats, the sliding seats are slidably connected to the screw rods through nut pairs of the screw rods and are slidably connected with the vertical slide rails, the horizontal bevel gears are fixed at the bottom ends of the screw rods, the vertical bevel gears are installed on output shafts of the speed reducing motors, and the vertical bevel gears are meshed with the horizontal bevel gears;

the construction platform is arranged between the two stand columns and is positioned above the base, a guard rail and a guard rail door are arranged above the construction platform, the left end and the right end of the construction platform are respectively and fixedly connected with a fixed rod, and the fixed rods penetrate through the guide groove openings and are fixedly connected with the sliding seats on the corresponding sides;

the anti-falling mechanism comprises two sets of anti-falling assemblies which are respectively arranged on the front side and the rear side of the construction platform, the anti-falling assemblies comprise two support rods hinged to the left end and the right end of the construction platform, each support rod is hinged to the side wall of the construction platform through a folding connecting rod, and a protective net is arranged between the two support rods.

Preferably, the base is provided with an access door at a position corresponding to the first inner cavity, so that equipment in the base can be conveniently overhauled.

Preferably, four angles departments of base below still are provided with the hydraulic pressure stabilizer blade respectively, can fix safe scaffold, improve safe scaffold's stability.

Preferably, a plurality of blotters are installed to construction platform's below, avoid construction platform to produce the collision to the base when moving down, play the effect of buffer protection.

The utility model discloses still including other subassemblies that can make the safe scaffold normal use of job site, be the conventional technological means in this field. In addition, the utility model discloses in add the device or the subassembly that restrict and all adopt the conventional technical means in this field, like folding connecting rod, vertical slide rail, gear motor and hydraulic pressure stabilizer blade etc..

The utility model discloses an operating principle is, when removing, packs up the hydraulic pressure stabilizer blade, removes safe scaffold to appointed place through removing the wheel. When using, put down the hydraulic pressure stabilizer blade, thereby fix safe scaffold, improve the stability of safe scaffold, then the workman opens the fence door, enter into on the construction platform and close the fence door, subaerial staff opens the bracing piece of construction platform front and back both sides, and hang the antiskid net between two bracing pieces in each group prevents falling the subassembly, then open gear motor, output shaft corotation simultaneously through controlling two gear motor, drive vertical bevel gear and rotate, and then make horizontal bevel gear rotate, horizontal bevel gear rotates and drives the lead screw rotation again, and then make the slide from down up-moving under the guide effect of vertical slide rail, thereby drive construction platform and shift up, treat that construction platform reachs behind the assigned height, shut down two gear motor simultaneously, the workman carries out the construction operation afterwards. The rail guard can protect the worker, prevents that the high altitude from falling, and the protection network can prevent that instrument or part ground that drops from injuring the pedestrian by a crashing object. When the height of the lower part of the wall needs to be lowered downwards to paint the wall surface, the speed reducing motors are turned on by the workers on the ground, and the downward movement of the construction platform is realized by controlling the output shafts of the two speed reducing motors to rotate reversely at the same time, so that the workers can continue construction operation conveniently.

The utility model has the advantages that through the design of the anti-falling component, the tools or parts can be prevented from falling to the ground and injuring the pedestrian; through construction platform, stand, base, gear motor and drive mechanism's design, can adjust construction platform's height according to the actual demand, the workman's continuity of operation of being convenient for improves work efficiency, in addition, removes the wheel and is convenient for remove, uses in a flexible way.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the anti-falling assembly of the present invention.

In the figure: 1. the anti-falling device comprises a base, 2 columns, 3 a construction platform, 4 moving wheels, 5 a speed reducing motor, 6 vertical sliding rails, 7 lead screws, 8 sliding seats, 9 horizontal bevel gears, 10 vertical bevel gears, 11 protective guards, 12 guard doors, 13 fixing rods, 14 anti-falling components, 15 supporting rods, 16 folding connecting rods, 17 protective nets, 18 hydraulic supporting legs and 19 buffering cushions.

Detailed Description

The present invention will be described more clearly with reference to the accompanying drawings and specific embodiments in the embodiments of the present invention, and the description herein is only for explaining the present invention, but not for limiting the present invention. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by those skilled in the art without creative efforts should be included in the protection scope of the present invention.

Examples

As shown in fig. 1, the utility model provides a safe scaffold of job site, including base 1, two stands 2, drive mechanism, construction platform 3 and prevent falling the mechanism, four angle departments of base 1 below all are provided with and remove wheel 4, and both ends are provided with first inner chamber respectively about base 1 is inside, are provided with gear motor 5 in every first inner chamber respectively.

Two stands 2 are fixed respectively at both ends about base 1 top, are provided with the second inner chamber in the stand 2, and the second inner chamber is linked together with the first inner chamber that corresponds the side and forms the transmission chamber, has seted up vertical direction notch on the lateral wall that two stands 2 are relative.

Drive mechanism includes two sets of drive assembly, two sets of drive assembly divide establish the inside in controlling two transmission chambeies, drive assembly includes vertical slide rail 6, lead screw 7, slide 8, horizontal bevel gear 9 and vertical bevel gear 10, vertical slide rail 6 is fixed in the second inner chamber of stand 2, the vertical setting of lead screw 7, the upper and lower both ends of lead screw 7 rotate respectively and connect in second inner chamber and first inner chamber, lead screw 7 runs through slide 8, slide 8 passes through the vice sliding connection of nut of lead screw 7 on lead screw 7, and slide 8 and vertical slide rail 6 sliding connection, horizontal bevel gear 9 is fixed in the bottom of lead screw 7, vertical bevel gear 10 is installed on gear motor 5's output shaft, and vertical bevel gear 10 meshes with horizontal bevel gear 9 mutually.

Construction platform 3 sets up between two stands 2, and is located base 1's top, and rail guard 11 and hurdle 12 are installed to construction platform 3's top, and construction platform 3 controls both ends fixedly connected with dead lever 13 respectively, and dead lever 13 pass the direction notch and with correspond the slide 8 of side fixed linking to each other.

An access door is arranged at the position, corresponding to the first inner cavity, on the base 1, so that equipment in the base 1 can be conveniently overhauled.

Four angles departments of base 1 below still are provided with hydraulic pressure stabilizer blade 18 respectively, can fix safe scaffold, improve safe scaffold's stability.

A plurality of cushion pads 19 are installed below the construction platform 3, so that the construction platform 3 is prevented from colliding with the base 1 when moving downwards, and the effect of buffer protection is achieved.

As shown in fig. 2, the anti-falling mechanism includes two sets of anti-falling assemblies 14, the two sets of anti-falling assemblies 14 are respectively disposed on the front and rear sides of the construction platform 3, the anti-falling assemblies 14 include two support rods 15 hinged to the left and right ends of the construction platform 3, each support rod 15 is hinged to the side wall of the construction platform 3 through a folding connecting rod 16, and a protective net 17 is installed between the two support rods 15.

With reference to fig. 1 and 2, the working principle of the present invention is that when moving, the hydraulic support legs 18 are retracted, and the safety scaffold is moved to a specific place by moving the wheels 4. When the safety scaffold is used, the hydraulic support legs 18 are put down, so that the safety scaffold is fixed, the stability of the safety scaffold is improved, then a worker opens the gate 12, enters the construction platform 3 and closes the gate 12, the ground worker opens the support rods 15 on the front side and the rear side of the construction platform 3, and hangs an anti-slip net between the two support rods 15 in each group of anti-falling assemblies 14, then the speed reducing motors 5 are opened, the output shafts of the two speed reducing motors 5 rotate simultaneously, the vertical bevel gears 10 are driven to rotate, the horizontal bevel gears 9 rotate, the lead screws 7 are driven to rotate by the rotation of the horizontal bevel gears 9, the slide base 8 moves from bottom to top under the guiding action of the vertical slide rails 6, the construction platform 3 is driven to move upwards, after the construction platform 3 reaches a specified height, the two speed reducing motors 5 are simultaneously closed, and then the worker carries out construction operation. The protective guard 11 can protect workers and prevent high-altitude falling, and the protective net 17 can prevent tools or parts from falling off the ground and injuring pedestrians. When the height of the lower part of the wall needs to be lowered downwards to paint, the worker on the ground turns on the gear motors 5, and the output shafts of the two gear motors 5 are controlled to rotate reversely at the same time, so that the construction platform 3 moves downwards, and the worker can continue construction operation conveniently.

The reduction motor 5 and the hydraulic support 18 are all devices known in the prior art, and the principle and structure thereof are clear and complete for those skilled in the art.

While embodiments of the invention have been described above, the above description is illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.

Claims

1. The utility model provides a safe scaffold of job site, includes base, two stands, drive mechanism, construction platform and prevents falling the mechanism, its characterized in that: moving wheels are arranged at four corners below the base, first inner cavities are respectively arranged at the left end and the right end inside the base, and a speed reduction motor is respectively arranged in each first inner cavity;

2. A safety scaffold for a construction site according to claim 1, wherein: an access door is arranged at the position on the base corresponding to the first inner cavity.

3. A safety scaffold for a construction site according to claim 1, wherein: and hydraulic support legs are further arranged at four corners below the base respectively.

4. A safety scaffold for a construction site as claimed in claim 1, wherein: a plurality of cushion pads are installed below the construction platform.