CN116254993A - Anti-falling construction method and anti-falling device for building components - Google Patents

Abstract

The invention belongs to the technical field of building construction, and in particular relates to an anti-falling construction method of building components and an anti-falling device. The anti-falling device includes a sliding sleeve, two sets of positioning columns and two cross bars. Put it on; there is a protective steel mesh between the two cross bars; the sliding sleeve is equipped with a climbing mechanism and a locking mechanism that fixes the sliding sleeve on the positioning column. The anti-falling construction method of building components includes the following steps: leveling the site before construction, and then using standard pipes to build scaffolding layer by layer on the periphery of the building through connectors by conventional methods; after building the scaffolding, build it on the side away from the building The above-mentioned anti-falling device; as the construction progresses, the climbing mechanism and the locking mechanism are controlled to move the anti-falling device to the required position, and then the workers carry out the construction work. This scheme can improve the safety during the construction process, and effectively prevent construction tools and construction personnel from easily breaking through the restrictions of traditional gauze and falling.

Description

Anti-falling construction method and anti-falling device for building components

technical field

The invention belongs to the technical field of building construction, and in particular relates to an anti-falling construction method and an anti-falling device of building components.

Background technique

With the increase of population and the influx of more and more people into the city, the number of high-rise buildings has increased significantly. In order to improve the efficiency and safety of building construction, it is often necessary to use a building construction platform. At present, standard pipes are usually used to build and connect in sequence to form scaffolding on the periphery of the building, and construction workers perform construction work on the building components on the scaffolding. The side of the traditional scaffold away from the building is enclosed by gauze. Due to the low strength of the gauze, it is easy to be scratched or broken by impact. The construction tools on the scaffold are easy to break through the restriction of the gauze and fall, causing serious damage to the construction personnel below. Potential safety hazard; construction workers on the scaffold may also fall due to poor blocking effect of the gauze net. Therefore, in order to ensure construction safety, designing a construction method for preventing falling of building components has become an urgent problem to be solved at present.

Contents of the invention

The present invention intends to provide an anti-falling construction method and an anti-falling device for building components to solve the problem that construction tools and construction workers easily break through the restriction of gauze nets and fall during the construction process.

In order to achieve the above object, the solution of the present invention is: an anti-fall device, comprising two sets of positioning posts, two cross bars and sliding sleeves slidingly connected to the positioning posts, and the two ends of the cross bars are respectively detachably connected to different positions. On the sliding sleeve, two horizontal bars are located on the upper and lower sides of the sliding sleeve; a protective steel mesh is provided between the two horizontal bars; There are multiple evenly distributed climbing rods connected between them; the sliding sleeve is equipped with a climbing mechanism and a locking mechanism that fixes the sliding sleeve on the positioning column. The climbing mechanism includes a hydraulic cylinder fixed on the sliding sleeve, and a hydraulic cylinder on the piston rod. A push block is fixed, and a chute is opened on the push block, and a wedge-shaped block is slidably connected to the chute; an elastic piece is arranged in the chute, and the inclined surface of the wedge-shaped block protrudes under the action of the elastic piece when no external force is applied. Outside the chute; the piston rod of the hydraulic cylinder is in the process of retracting the hydraulic cylinder, and the slope on the wedge block can contact the climbing rod.

The working principle and beneficial effects of this scheme are: the anti-falling device of this scheme is mainly used in the process of using scaffolding construction. The anti-falling device is installed on the side of the scaffold away from the building, and the protective steel mesh on the anti-falling device will hold the scaffold The side away from the building is blocked, and the protective steel mesh has high strength. General construction tools and construction personnel are not easy to break through the limitation of the protective steel mesh and fall, and have a good anti-fall effect. In the actual construction process, with the continuous advancement of the construction progress, the construction position of the workers on the scaffold is constantly rising, and the danger is also increasing at this time. When workers need to work at a higher position, control the climbing mechanism and locking mechanism to ensure that the sliding sleeve can climb along the positioning column with the cooperation of the climbing mechanism and locking mechanism. Can rise to the subsequent construction position. The anti-fall device of this scheme can adjust its position with the movement of workers, without laying a large number of anti-fall devices, which is beneficial to reduce the actual construction cost; and because the position of the anti-fall device can be adjusted, it is flexible and convenient to use, and can ensure The drop mechanism always works.

Optionally, a set of positioning posts includes a plurality of positioning posts; the upper end of the positioning rod is provided with an engaging groove, and the lower end of the positioning rod is provided with a protrusion capable of matching with the engaging slot. With such arrangement, different positioning columns can be assembled together, and the actual use height of the positioning columns can be adjusted.

Optionally, the sliding sleeve is provided with a protruding rod, and the surface of the protruding rod is provided with a first thread; the surface of the end of the cross bar is provided with a second thread; the cross bar is threaded with a threaded sleeve, and the other threaded sleeve One end is threadedly connected to the protruding rod; the upper and lower sides of the protective steel mesh are provided with hollow tubes that can be slidably connected to the cross rod. In this way, the installation and disassembly of crossbars, protective steel mesh and other components are very convenient, and these components can also be reused, effectively saving resources.

Optionally, the positioning column includes 4 positioning rods arranged in parallel, and the cross section of the four positioning rods is isosceles trapezoidal; The cross-section of the sliding sleeve is set in a dovetail shape, and the sliding sleeve does not form a closed loop. When the small end face side of the positioning post is connected to other objects, it will not affect the normal sliding of the sliding sleeve along the positioning post. Moreover, if it is arranged in this way, the connection of the sliding sleeve is relatively stable, and it will not be easily detached from the positioning column due to force.

Optionally, the locking mechanism is a hydraulic clamping mechanism. The hydraulic clamping mechanism is easy to control and has a good clamping effect.

The present invention also provides the anti-falling construction method of building components, comprising the following steps:

(1) Level the site before construction, reinforce it according to the actual situation of the site, and then set out the scaffolding position according to the construction plan; use standard pipes and connectors to build scaffolding layer by layer around the building by conventional methods;

(2) After building the scaffold, build the anti-falling device described in claim 5 on the side of the scaffold away from the building;

(3) Set the sliding sleeve on the positioning column first, and then fix the lower ends of the two positioning columns on the ground respectively, control the distance between the two positioning columns, and ensure that the cross bar can be installed on the positioning column normally; use steel pipes Connect the side of the small end face of the positioning column with the side of the scaffold away from the building to ensure the stability of the positioning column installation;

(4) Put the hollow tubes on the upper and lower sides of the protective steel mesh on different crossbars until the crossbar is covered with protective steel mesh; use threaded sleeves to fix the two ends of the crossbar on two different On the protruding rod of the sliding sleeve, finally ensure that the cross bar and the protective steel mesh are installed on the sliding sleeve;

(5) As the construction progress continues, the construction position of the workers on the scaffold continues to rise; when the workers need to construct at a higher position, if the height of the positioning column is lower than the worker's subsequent construction position, prepare a new positioning column , the protrusion on the lower end of the positioning column is engaged with the engaging groove at the top of the original positioning column, and then the side of the small end face of the new positioning column is connected to the side of the scaffold away from the building to ensure the stability of the installation of the new positioning column;

(6) Control the climbing mechanism and locking mechanism to ensure that the sliding sleeve can climb along the positioning column with the cooperation of the climbing mechanism and locking mechanism, and the sliding sleeve, the cross bar on the sliding sleeve and the protective steel mesh will finally rise to the subsequent construction position ; After the anti-falling device moves to the required position, the workers will carry out the construction work again.

Using the construction method of this scheme, as the construction progress advances and the construction position of the workers continues to rise, the anti-fall device can be controlled to adjust its position with the movement of the workers, and the protective steel mesh on the anti-fall device can always surround the construction workers. Blocking construction workers and construction tools in a safe area can effectively prevent workers and tools from falling.

Optionally, in step (6), ensure that the hydraulic clamping mechanism fixes the sliding sleeve on the positioning column, controls the piston rod of the hydraulic cylinder to shrink, and the push block on the piston rod drives the wedge block to move up together; when the wedge block When the slope contacts the climbing rod on the positioning column, the wedge-shaped block overcomes the action of the elastic part and retracts into the chute under the action of the climbing rod. side extension, at this time control the hydraulic cylinder to stop moving; control the hydraulic clamping mechanism to loosen the positioning column, control the piston rod of the hydraulic cylinder to extend, and the hydraulic cylinder pushes the sliding sleeve to move up along the positioning column; the piston rod is extended to a fixed length , to stop the hydraulic cylinder, and control the hydraulic clamping mechanism to clamp the positioning column; if the sliding sleeve is to continue to move upward, repeat the above operation.

Description of drawings

Fig. 1 is the front view of anti-fall device of the present invention;

Fig. 2 is the top view of the anti-falling device of the present invention;

Fig. 3 is a structural schematic diagram of the hydraulic cylinder in the anti-falling device of the present invention.

Detailed ways

The following is further described in detail through specific implementation methods:

The reference signs in the drawings of the description include: sliding sleeve 10, installation port 11, protruding rod 12, protective steel mesh 20, hollow pipe 21, cross bar 30, threaded sleeve 31, hydraulic cylinder 40, push block 41, Climbing rod 50 , chute 60 , elastic member 61 , wedge block 62 , positioning rod 70 , engaging groove 71 .

An anti-falling device, basically as shown in Figures 1-3, includes two sets of positioning columns, two cross bars 30 and a sliding sleeve 10 slidably connected to the positioning columns. The positioning column includes 4 positioning rods 70 arranged in parallel. The siege section of the 4 positioning rods 70 is in the shape of an isosceles trapezoid, and there are many evenly distributed climbing rods 50 welded between two adjacent positioning rods 70. 4 Components such as connecting rods are welded between the positioning rods 70 so that the four positioning rods 70 form a stable whole. In this embodiment, a group of positioning posts includes a plurality of positioning posts, the upper end of the positioning rod 70 is provided with an engaging groove 71 , and the lower end of the positioning rod 70 is fixed with a protrusion capable of matching the engaging groove 71 . The cross-section of the sliding sleeve 10 is dovetail-shaped, and the opening on one side of the sliding sleeve 10 does not form a closed loop, and the sliding sleeve 10 is sleeved on one side of the large end surface of the positioning column.

Both ends of the crossbar 30 are detachably connected to different sliding sleeves 10 respectively, and the two crossbars 30 can be respectively located on the upper and lower sides of one sliding sleeve 10 . Specifically, the upper and lower sides of the sliding sleeve 10 are welded with protruding rods 12, the surface of the protruding rod 12 is provided with a first thread, the surface of the end of the cross bar 30 is provided with a second thread, and the first thread and the second thread The direction of rotation and pitch are the same. A threaded sleeve 31 is threaded on the cross bar 30 , and the other end of the threaded sleeve 31 can be threaded on the protruding rod 12 , and the cross bar 30 can be connected with the sliding sleeve 10 through the threaded sleeve 31 . A protective steel mesh 20 is arranged between the two cross bars 30 . In this embodiment, the upper and lower sides of the protective steel mesh 20 are welded with hollow pipes 21 , and the cross bars 30 can extend into the hollow pipes 21 .

The sliding sleeve 10 is provided with a climbing mechanism and a locking mechanism (the locking mechanism is not shown in the figure), and the sliding sleeve 10 can be fixed on the positioning column by controlling the locking mechanism. In this embodiment, the locking mechanism is hydraulic clamping mechanism. The climbing mechanism includes a hydraulic cylinder 40 fixed on the sliding sleeve 10 . Specifically, the sliding sleeve 10 is provided with an installation opening 11 , and the upper part of the hydraulic cylinder 40 is fixedly installed on the installation opening 11 . Push block 41 is fixed on the piston rod of hydraulic cylinder 40, has chute 60 on the push block 41, is slidably connected with wedge-shaped block 62 on the chute 60. An elastic member 61 is arranged in the chute 60 , and in this embodiment the elastic member 61 is a compression spring, one end of the compression spring is connected to the chute 60 , and the other end of the compression spring is connected to the wedge 62 . When not subjected to other external forces, under the action of the elastic member 61, one side of the inclined plane of the wedge-shaped block 62 can stretch out of the chute 60; middle. In this embodiment, the piston rod of the hydraulic cylinder 40 stretches out and retracts to a length equal to the distance between adjacent climbing rods 50, and when the piston rod of the hydraulic cylinder 40 is retracting the hydraulic cylinder 40, the wedge block 62 The slope on the top can contact with climbing pole 50.

This embodiment also provides an anti-falling construction method for building components using the above-mentioned anti-falling device, which specifically includes the following steps:

(1) Level the site before construction, reinforce it according to the actual situation of the site, and then set out the scaffolding position according to the construction plan; use conventional methods to use standard pipes through connectors to build scaffolding layer by layer around the building.

(2) After erecting the scaffold, build the above-mentioned anti-falling device on the side of the scaffold away from the building.

(3) Set the sliding sleeve 10 on the positioning column first, then fix the lower ends of the two positioning columns on the ground respectively, control the distance between the two positioning columns, and ensure that the cross bar 30 can be installed on the positioning column normally . Use steel pipes to connect the side of the small end face of the positioning column with the side of the scaffold away from the building to ensure the stability of the overall installation of the positioning column.

(4) Make the hollow tubes 21 on the upper and lower sides of the protective steel mesh 20 be respectively set on different cross bars 30 until the cross bars 30 are covered with the protective steel mesh 20; The ends are fixedly installed on the protruding rods 12 of two different sliding sleeves 10, finally ensuring that the cross bar 30 and the protective steel mesh 20 are all installed on the sliding sleeves 10.

(5) As the construction progress continues, the construction position of the workers on the scaffold continues to rise; when the workers need to construct at a higher position, if the height of the positioning column is lower than the worker's subsequent construction position, prepare a new positioning column , engage the protrusion on the lower end of the positioning column with the engaging groove 71 at the top of the original positioning column, and then connect the side of the small end face of the new positioning column with the side of the scaffold away from the building to ensure the stability of the installation of the new positioning column .

(6) Ensure that the hydraulic clamping mechanism fixes the sliding sleeve 10 on the positioning column, controls the piston rod of the hydraulic cylinder 40 to shrink, and the push block 41 on the piston rod drives the wedge block 62 to move upward together; when the inclined surface on the wedge block 62 and When the climbing rod 50 on the positioning column contacts, the wedge block 62 overcomes the effect of the elastic member 61 and retracts in the chute 60 under the action of the climbing rod 50, and when the wedge block 62 moves to the upper end of the climbing rod 50, since there is no other Under the action of external force, one side of the wedge-shaped block 62 protrudes under the action of the elastic member 61, and at this time, the hydraulic cylinder 40 is controlled to stop moving. Control the hydraulic clamping mechanism to loosen the positioning column, control the piston rod of the hydraulic cylinder 40 to stretch out, and the hydraulic cylinder 40 pushes the sliding sleeve 10 to move up along the positioning column; after the piston rod is extended to a fixed length, the hydraulic cylinder 40 stops moving, and Control the hydraulic clamping mechanism to clamp the positioning column. To make the sliding sleeve 10 continue to move up, repeat the operation of this step. After the anti-falling device moves to the required position, the workers carry out the construction work again.

What is described above is only an embodiment of the present invention, and common knowledge such as specific structures and characteristics known in the scheme are not described here too much. It should be pointed out that for those skilled in the art, under the premise of not departing from the structure of the present invention, some modifications and improvements can also be made, which should also be regarded as the protection scope of the present invention, and these will not affect the implementation of the present invention. Effects and practicability of the present invention.

Claims (7)

1. A fall arrest device, characterized in that: the device comprises two groups of positioning columns, two cross bars and sliding sleeves which are connected to the positioning columns in a sliding manner, wherein two ends of each cross bar are respectively and detachably connected to different sliding sleeves, and the two cross bars are respectively positioned on the upper side and the lower side of each sliding sleeve; a protective steel net is arranged between the two cross bars; the positioning column comprises a plurality of positioning rods which are arranged in parallel, wherein a plurality of climbing rods which are uniformly distributed are connected between two adjacent positioning rods; the sliding sleeve is provided with a climbing mechanism and a locking mechanism for fixing the sliding sleeve on the positioning column, the climbing mechanism comprises a hydraulic cylinder fixed on the sliding sleeve, a piston rod of the hydraulic cylinder is fixedly provided with a push block, the push block is provided with a chute, and the chute is connected with a wedge block in a sliding way; an elastic piece is arranged in the chute, and one side of the inclined plane of the wedge block extends out of the chute under the action of the elastic piece when the elastic piece is not acted by external force; the inclined plane on the wedge block can be contacted with the climbing rod in the process of retracting the piston rod of the hydraulic cylinder.

2. A fall arrest device according to claim 1, wherein: the group of positioning columns comprises a plurality of positioning columns; the upper end of the positioning rod is provided with a clamping groove, and the lower end of the positioning rod is provided with a bulge which can be matched with the clamping groove.

3. A fall arrest device according to claim 2, wherein: the sliding sleeve is provided with a protruding rod, and the surface of the protruding rod is provided with a first thread; the surface of the end part of the cross rod is provided with a second thread; the cross rod is in threaded connection with a threaded sleeve, and the other end of the threaded sleeve is in threaded connection with the protruding rod; the upper side and the lower side of the protective steel net are both provided with hollow pipes which can be connected on the cross rod in a sliding way.

4. A fall arrest device according to claim 3, wherein: the positioning column comprises 4 positioning rods which are arranged in parallel, and the cross section of each positioning rod is isosceles trapezoid; the cross section of the sliding sleeve is dovetail-shaped, and the sliding sleeve is sleeved on one side of the large end face of the positioning column.

5. The fall arrest device as defined in claim 4, wherein: the locking mechanism is a hydraulic clamping mechanism.

6. The anti-falling construction method of the building component is characterized by comprising the following steps of: the method comprises the following steps:

(1) Leveling a site before construction, reinforcing according to the actual condition of the site, and then paying off according to a construction scheme to determine the position of a scaffold; building a scaffold layer by layer on the periphery of a building through connecting pieces by using standard pipes by adopting a conventional method;

(2) After the scaffold is built, the anti-falling device of claim 5 is built on one side of the scaffold away from the building;

(3) Firstly, sleeving the sliding sleeve on the positioning columns, then respectively fixing the lower ends of the two positioning columns on the ground, controlling the distance between the two positioning columns, and ensuring that the cross rod can be normally installed on the positioning columns; connecting one side of the small end face of the positioning column with one side of the scaffold far away from the building by utilizing a steel pipe, so as to ensure the stability of the installation of the positioning column;

(4) Respectively sleeving the hollow pipes on the upper side and the lower side of the protective steel net on different cross bars until the cross bars are fully sleeved with the protective steel net; the two ends of the cross rod are respectively and fixedly arranged on the protruding rods of two different sliding sleeves by using the threaded sleeves, and finally, the cross rod and the protective steel mesh are both arranged on the sliding sleeves;

(5) Along with the continuous promotion of the construction progress, the construction position of workers on the scaffold is continuously raised; when a worker needs to construct to a higher position, if the height of the positioning column is lower than the subsequent construction position of the worker, preparing a new positioning column, clamping a protrusion on the lower end of the positioning column on a clamping groove on the top end of the original positioning column, and then connecting one side of the small end face of the new positioning column with one side of the scaffold far away from a building to ensure the installation stability of the new positioning column;

(6) The climbing mechanism and the locking mechanism are controlled, so that the sliding sleeve can climb along the positioning column under the cooperation of the climbing mechanism and the locking mechanism, and the sliding sleeve and the cross rod and the protective steel net on the sliding sleeve finally ascend to the subsequent construction position; after the anti-falling device moves to a required position, the worker performs construction operation again.

7. The method of fall arrest construction of a building element according to claim 6, wherein: in the step (6), the hydraulic clamping mechanism is ensured to fix the sliding sleeve on the positioning column, the piston rod of the hydraulic cylinder is controlled to shrink, and the push block on the piston rod drives the wedge block to move upwards together; when the inclined surface on the wedge block is contacted with the climbing rod on the positioning column, the wedge block is retracted into the chute under the action of the climbing rod against the action of the elastic piece, and when the wedge block moves to the upper end of the climbing rod, the wedge block extends out from one side under the action of the elastic piece, and the hydraulic cylinder is controlled to stop moving at the moment; the hydraulic clamping mechanism is controlled to loosen the positioning column, the piston rod of the hydraulic cylinder is controlled to extend out, and the hydraulic cylinder pushes the sliding sleeve to move upwards along the positioning column; after the piston rod extends to a fixed length, stopping the hydraulic cylinder, and controlling the hydraulic clamping mechanism to clamp the positioning column; if the sliding sleeve is required to continue to ascend, repeating the operation.

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