CN217871941U - Building construction stair safety protection net - Google Patents

Abstract

The utility model relates to the technical field of construction safety, in particular to a safety protection net for building construction stairs, comprising a main body of the protective net and a wall surface, the outer wall of the main body of the protective net is fixedly connected with a first shift fork, and the outer wall of the main body of the protective net is fixed There is a second shift fork, and the inner wall of the first shift fork is slidably connected with a first transverse shaft. During the installation of the safety net for the stairs of this building construction, first move the main body of the net to the installation position by listening to the universal wheel at the bottom, and then align the first block with the reserved groove at the stairway, and then Pull the second support body part to the right, and the second support body will shift with the connecting rod after being stressed. When the connecting rod shifts, it will slide in the first shift fork with the first horizontal axis. The two horizontal shafts slide in the second shift fork, at this time, the angle between the connecting rods becomes smaller, and the second support body starts to move to the right until the right outer wall of the second support body touches the wall surface.

Description

A kind of building construction stair safety protection net

technical field

The utility model relates to the technical field of construction safety, in particular to a safety protection net for building construction stairs.

Background technique

The protective net refers to the protective device used to block and protect the construction site. It is mainly used in various industrial fields that require safety and protection. The conventional protective net is composed of a bracket and a net body. It is used to isolate and protect the construction area during construction. Protection to prevent outsiders from entering the construction area and being injured. During the construction of the building stairs, in order to prevent outsiders from entering the unfinished stairs and causing injuries such as falling, a safety net is often set up at the stairway to intercept outsiders.

During the installation process of most of the existing stair safety nets on the market, because the width of the stairways of different buildings is very different, it is necessary to customize safety nets of different sizes according to the stairways of different widths for installation, so the cost is very high. Most of the existing stair safety nets are inconvenient to carry out adaptive adjustment and installation measures according to the stair openings of different widths; most of the existing stair safety nets on the market need to install the protective nets through bolts and other structures during the installation process At the entrance of the stairs, tools such as screwdrivers and electric drill guns are required to fix and remove them during the installation and disassembly process. It is inconvenient to quickly fix the outer wall of the protective net and the wall of the staircase entrance.

Utility model content

The purpose of this utility model is to provide a safety net for building construction stairs to solve the problems in the above-mentioned background technology that it is inconvenient to carry out adaptive adjustment and installation measures according to stair openings of different widths, and it is inconvenient to quickly fix the safety net. In order to achieve the above object, the utility model provides the following technical solutions: a safety protection net for building construction stairs, comprising a main body of the protective net and a wall surface, the outer wall of the main body of the protective net is fixedly connected with a first shift fork, the main body of the protective net The outer wall is fixed with a second shift fork, and the inner wall of the first shift fork is slidably connected with a first horizontal shaft;

The lower surface of the protective net main body is fixedly connected with a universal wheel, the outer wall of the first horizontal shaft is rotatably connected with an engaging rod, the inner wall of the second shift fork is slidably connected with a second horizontal shaft, and the second horizontal shaft The outer wall of the shaft is rotatably connected to the connecting rod, and there are several connecting rods, and the ends of the connecting rods are connected in rotation. The main body of the protective net includes a first support body and a second support body, and the first The inner wall of the supporting body and the second supporting body is arranged for sliding connection, the outer wall of the first supporting body is provided with a limiting groove, the outer wall of the second supporting body is equipped with a first motor, and the output end of the first motor is passed through The transmission part is engaged with the limiting groove, and a second motor is installed inside the second support body, and the output end of the second motor is connected with a reserved groove through the engaging part, and the reserved groove is opened in On the wall surface, the outer wall of the first supporting body is fixedly connected with the first clamping block.

Preferably, the transmission member includes a first two-way screw rod, a slider, a splint, a limit block and a first guide rod, the end of the first two-way screw rod is fixedly connected to the output end of the first motor, and the The outer wall of the first two-way screw rod is threadedly connected to the inner wall of the slider, the lower surface of the slider is fixedly connected to the splint, the inner wall of the splint is slidably connected to the outer wall of the first guide rod, and the two sides of the first guide rod The end is fixedly connected to the inner wall of the main body of the protective net, the outer wall of the splint is fixedly connected to the limiting block, and the outer contour of the limiting block matches the inner contour of the limiting groove.

Preferably, the conduction member includes a second two-way screw rod, a sliding block, a second guide rod, a connecting rod, a pressing plate, and a second block, and the end of the second two-way screw rod is fixed to the output end of the second motor connection, the outer wall of the second two-way screw rod is screwed to the inner wall of the sliding block, the inner wall of the sliding block is slidingly connected to the outer wall of the second guide rod, and the two ends of the second guide rod and the second support body The inner wall is fixedly connected, the outer wall of the sliding block is rotatably connected to the end of the connecting rod, the end of the connecting rod is rotatably connected to the outer wall of the pressing rod, and the outer wall of the pressing plate is fixedly connected to the second clamping block.

Preferably, the universal wheels and the lower surface of the main body of the protective net are arranged perpendicular to each other, and the outer walls of the first motor and the second support body are arranged perpendicular to each other.

Preferably, one end of the first two-way screw is rotatably connected to the inner wall of the second support body, and the first two-way screw and the first guide rod are arranged in a horizontal direction.

Preferably, the second two-way screw rod and the second guide rod are arranged in a horizontal direction, and the pressing plate and the second two-way screw rod are arranged parallel to each other.

Compared with the prior art, the utility model has the beneficial effects:

In the utility model, during the installation process of the safety protection net, the main body of the protection net is moved to the installation position by first listening to the universal wheel at the bottom, and then the first block is aligned with the reserved groove at the stairway, and then pulled to the right The second support body part, the second support body is biased with the connecting rod after being stressed, when the connecting rod is shifted, it slides in the first shift fork with the first horizontal axis, and when the connecting rod is deflected, it takes the second horizontal axis Slide in the second shift fork, at this time the angle between the connecting rods becomes smaller, the second support body starts to move to the right, until the right outer wall of the second support body touches the wall surface, turn on the first motor, the first motor Drive the first two-way screw to rotate. When the first two-way screw rotates, the slider moves on the first two-way screw through the guidance of the first guide rod. During the movement of the slider, it moves centripetally with the splint. The block is clamped into the limiting groove of the outer wall of the first support at this time to fix and limit the position, which solves the problem that the existing safety net is inconvenient to carry out adaptive adjustment and installation measures according to the stairways of different widths.

In the utility model, the second motor is turned on, and the second motor drives the second two-way screw to rotate. At this time, the sliding block moves along the second two-way screw under the guidance of the second guide rod, and the connecting rod is driven by the movement of the sliding block. Offset, one end of the connecting rod gives the pressure plate a rightward force during the offset process. At this time, the pressure plate moves horizontally to the right with the second clamping block until the second clamping block is tightly against the reserved wall on the right side. In the groove, the fixing of the main body of the protective net is completed at this time, which solves the problem that the existing safety protective net is inconvenient to quickly fix the protective net.

Description of drawings

Fig. 1 is the front structural sectional view of the utility model;

Fig. 2 is the schematic diagram of enlarged structure at A place in Fig. 1 of the present utility model;

Fig. 3 is a structural schematic diagram of the transmission part of the present invention.

In the figure: 1. Main body of protective net; 2. First shift fork; 3. Second shift fork; 4. First horizontal axis; 5. Universal wheel; 6. Connecting rod; 7. Second horizontal axis; 8. The first support body; 9, the second support body; 10, the first motor; 11, the second motor; 12, the limit slot; 13, the reserved slot; 14, the wall; 15, the first block; 16, 17, slide block; 18, splint; 19, limit block; 20, the first guide rod; 21, the second two-way screw rod; 22, sliding block; 23, the second guide rod; 24, Connecting rod; 25, pressing plate; 26, the second block.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1 to Fig. 3, the utility model provides a kind of technical scheme: a kind of building construction stair safety protective net, comprises protective net main body 1 and wall surface 14, and the outer wall of protective net main body 1 is fixedly connected with first shift fork 2 , the outer wall of the protective net main body 1 is fixed with a second shift fork 3, and the inner wall of the first shift fork 2 is slidably connected with a first horizontal shaft 4;

The lower surface of the protective net main body 1 is fixedly connected with a universal wheel 5, the outer wall of the first horizontal shaft 4 is rotatably connected with an engaging rod 6, the inner wall of the second shift fork 3 is slidingly connected with a second horizontal shaft 7, and the second horizontal shaft 7 The outer wall of the connecting rod 6 is rotationally connected, and there are multiple connecting rods 6, and the ends of the connecting rods 6 are rotationally connected. The protective net main body 1 includes a first support body 8 and a second support body 9, and the first support body 8 The inner wall of the second support body 9 is slidingly connected, the outer wall of the first support body 8 is provided with a limit groove 12, the outer wall of the second support body 9 is equipped with a first motor 10, and the output end of the first motor 10 passes through the transmission part Engaged with the limit groove 12, the second support body 9 is installed with a second motor 11, and the output end of the second motor 11 is connected with a reserved groove 13 through a conductive member, and the reserved groove 13 is opened on the wall 14. The outer wall of the first support body 8 is fixedly connected with the first block 15. During the installation of the safety net, the main body 1 of the safety net is moved to the installation position by listening to the universal wheel 5 at the bottom, and then the first block The block 15 is aligned in the reserved groove 13 of the stairway, and then the second support body 9 is pulled to the right. The second support body 9 is biased with the connecting rod 6 after being stressed, and the connecting rod 6 is shifted with the first The horizontal shaft 4 slides in the first shift fork 2, and when the connecting rod 6 shifts, it slides in the second shifting fork 3 with the second horizontal shaft 7. At this time, the angle between the connecting rods 6 becomes smaller, and the second support body 9 begins to move to the right until the outer wall on the right side of the second support body 9 touches the surface of the wall 14. At this time, the first motor 10 is turned on, and the first motor 10 drives the first two-way screw rod 16 to rotate, and the first two-way screw rod 16 rotates At this time, the slider 17 moves on the first two-way screw rod 16 through the guidance of the first guide rod 20. During the movement of the slider 17, it moves centripetally with the splint 18, and the splint 18 is clamped with the stop block 19 to enter the position at this time. The position is fixed in the limit groove 12 on the outer wall of the first support body 8. At this time, the second motor 11 is turned on, and the second motor 11 drives the second two-way screw rod 21 to rotate. At this time, the sliding block 22 is on the second guide rod 23 Under the guidance of the guide, it moves along the second two-way screw rod 21. With the movement of the sliding block 22, the connecting rod 24 is shifted. One end of the connecting rod 24 gives the pressing plate 25 a rightward force during the shifting process. At this time, the pressing plate 25 has With the second clamping block 26 moving horizontally to the right, until the second clamping block 26 is tightly against the reserved groove 13 of the right side wall 14, the fixing of the protective net main body 1 is now completed.

In this embodiment, as shown in Fig. 1, Fig. 2 and Fig. 3, the transmission member includes a first two-way screw rod 16, a slider 17, a splint 18, a limit block 19 and a first guide rod 20, and the first two-way screw rod The end of 16 is fixedly connected with the output end of the first motor 10, the outer wall of the first two-way screw mandrel 16 is screwed with the inner wall of the slider 17, the lower surface of the slider 17 is fixedly connected with the clamping plate 18, and the inner wall of the clamping plate 18 is connected with the first clamping plate 18. The outer wall of a guide rod 20 is slidingly connected, the two ends of the first guide rod 20 are fixedly connected with the inner wall of the protective net main body 1, the outer wall of the splint 18 is fixedly connected with the limit block 19, the outer contour of the limit block 19 and the limit groove The inner contour of 12 is matched, and the first motor 10 is opened, and the first motor 10 drives the first two-way screw mandrel 16 to rotate. The screw rod 16 moves up, and the slider 17 moves centripetally with the splint 18 during the movement, and the splint 18 is clamped into the limit groove 12 on the outer wall of the first support body 8 at this time with the limit block 19 for fixed limit .

In this embodiment, as shown in Fig. 1, Fig. 2 and Fig. 3, the conductive member includes a second two-way screw rod 21, a sliding block 22, a second guide rod 23, a connecting rod 24, a pressing plate 25, and a second clamping block 26, The end of the second two-way screw mandrel 21 is fixedly connected with the output end of the second motor 11, the outer wall of the second two-way screw mandrel 21 is screwed with the inner wall of the sliding block 22, and the inner wall of the sliding block 22 is connected with the outer wall of the second guide rod 23 Sliding connection, the two ends of the second guide rod 23 are fixedly connected to the inner wall of the second support body 9, the outer wall of the sliding block 22 is connected to the end of the connecting rod 24 in rotation, and the end of the connecting rod 24 is connected in rotation to the outer wall of the pressure rod , the outer wall of the pressing plate 25 is fixedly connected with the second block 26, the second motor 11 is opened, and the second motor 11 drives the second two-way screw rod 21 to rotate. The two-way screw rod 21 moves, and the movement of the sliding block 22 drives the connecting rod 24 to shift, and one end of the connecting rod 24 gives a force to the right of the pressing plate 25 during the shifting process. At this time, the pressing plate 25 carries the second clamping block 26 Move horizontally to the right until the second block 26 is tightly against the reserved groove 13 of the right side wall 14, at this time the fixing of the protective net main body 1 is completed.

In this embodiment, as shown in Fig. 1, Fig. 2 and Fig. 3, the lower surfaces of the universal wheel 5 and the protective net main body 1 are arranged vertically to each other, and the outer walls of the first motor 10 and the second support body 9 are arranged perpendicularly to each other. The mutually perpendicular arrangement increases the stability between the universal wheel 5 and the main body 1 of the protective net, and the mutually perpendicular arrangement increases the stability between the first motor 10 and the second support body 9 .

In this embodiment, as shown in Fig. 1, Fig. 2 and Fig. 3, one end of the first two-way screw rod 16 is rotationally connected with the inner wall of the second support body 9, and the first two-way screw rod 16 and the first guide rod 20 are horizontal The direction setting and the rotation connection setting increase the balance of both ends of the first two-way screw rod 16 when it rotates, and the horizontal direction setting increases the stability between the first two-way screw rod 16 and the first guide rod 20 .

In this embodiment, as shown in Fig. 1, Fig. 2 and Fig. 3, the second two-way screw rod 21 and the second guide rod 23 are arranged in a horizontal direction, and the pressing plate 25 and the second two-way screw rod 21 are arranged parallel to each other, and the horizontal direction is arranged The stability between the second two-way screw rod 21 and the second guide rod 23 is increased.

The use method and advantages of this utility model: when this kind of building construction staircase safety protection net is working, the working process is as follows:

As shown in Figure 1, Figure 2, and Figure 3, in the construction process of the stairs in the construction project, it is necessary to use the staircase safety net to block outsiders. During the installation of the safety net, first listen to the universal wheel 5 at the bottom Move the protective net main body 1 to the installation position, then align the first block 15 in the reserved groove 13 of the stairway, and then pull the second support body 9 part to the right, and the second support body 9 will be connected with it after being stressed. The rod 6 is offset, and when the connecting rod 6 is offset, it slides in the first shift fork 2 with the first cross shaft 4 , and when the connecting rod 6 shifts, it slides in the second shift fork 3 with the second cross shaft 7 . When the angle between the connecting rods 6 becomes smaller, the second support body 9 begins to move to the right until the outer wall on the right side of the second support body 9 touches the surface of the wall surface 14. At this time, the first motor 10 is turned on, and the first motor 10 drives The first two-way screw mandrel 16 rotates, and when the first two-way screw mandrel 16 rotates, the slider 17 moves on the first two-way screw mandrel 16 through the guidance of the first guide rod 20, and the slider 17 moves with the splint 18 centripetally Move, clamping plate 18 is clamped into the limit groove 12 of the outer wall of the first support body 8 at this moment with the limit block 19 to carry out fixed limit, open the second motor 11 at this moment, the second motor 11 drives the second two-way wire Rod 21 rotates, and now sliding block 22 moves along the second two-way screw rod 21 under the guidance of second guide rod 23, along with the movement of sliding block 22 drives connecting rod 24 to shift, and one end of connecting rod 24 is in the shifting process Rightward force is given to the pressing plate 25, and now the pressing plate 25 moves horizontally to the right with the second clamping block 26 until the second clamping block 26 is tightly against the reserved groove 13 of the right side wall 14, at this time The fixing of the protective net main body 1 is completed.

The basic principles, main features and advantages of the present utility model have been shown and described above. Technical staff in this industry should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions are only preferred examples of the utility model, and are not used to limit the utility model, without departing from the utility model Under the premise of the new spirit and scope, the utility model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A building construction staircase safety protection net, comprising a protective net main body (1) and a wall surface (14), is characterized in that: the outer wall of the described protective net main body (1) is fixedly connected with the first shift fork (2), The outer wall of the protective net main body (1) is fixed with a second shift fork (3), and the inner wall of the first shift fork (2) is slidably connected with a first horizontal shaft (4); The lower surface of the protective net main body (1) is fixedly connected with a universal wheel (5), the outer wall of the first horizontal shaft (4) is rotatably connected with an engaging rod (6), and the second shift fork (3) The inner wall of the second horizontal shaft (7) is slidably connected with the second horizontal shaft (7), and the outer wall of the second horizontal shaft (7) is rotationally connected with the connecting rod (6). The connecting rod (6) is provided with a plurality of connecting rods ( 6) There is a rotational connection between the ends, and the protective net main body (1) includes a first support body (8) and a second support body (9), and the first support body (8) and the second support body ( The inner wall of 9) is set for sliding connection, the outer wall of the first support (8) has a limit groove (12), the outer wall of the second support (9) is equipped with a first motor (10), the The output end of the first motor (10) is engaged and connected with the limit groove (12) through the transmission member, and the second motor (11) is installed inside the second support body (9), and the second motor (11) ) is connected to a reserved slot (13) through a conductive member, and the reserved slot (13) is opened on the wall (14), and the outer wall of the first support (8) is fixedly connected with a first Block (15). 2. A kind of construction stair safety net according to claim 1, is characterized in that: described transmission member comprises first two-way screw rod (16), slide block (17), splint (18), limit block (19) and the first guide rod (20), the end of the first two-way screw rod (16) is fixedly connected with the output end of the first motor (10), and the outer wall of the first two-way screw rod (16) It is threadedly connected with the inner wall of the slide block (17), the lower surface of the slide block (17) is fixedly connected with the clamping plate (18), and the inner wall of the clamping plate (18) is slidably connected with the outer wall of the first guide rod (20), The two ends of the first guide rod (20) are fixedly connected to the inner wall of the protective net main body (1), the outer wall of the splint (18) is fixedly connected to the limit block (19), and the limit block (19) The outer contour of the outer contour and the inner contour of the limit groove (12) are matched. 3. A kind of building construction stair safety protection net according to claim 1, is characterized in that: described conduction member comprises second two-way screw mandrel (21), slide block (22), second guide rod (23), connecting rod (24), pressing plate (25), second block (26), the end of the second bidirectional screw rod (21) is fixedly connected to the output end of the second motor (11), and the second bidirectional The outer wall of the screw mandrel (21) is threadedly connected with the inner wall of the sliding block (22), the inner wall of the sliding block (22) is slidably connected with the outer wall of the second guide rod (23), the second guide rod (23) Both ends are fixedly connected with the inner wall of the second support body (9), the outer wall of the sliding block (22) is rotationally connected with the end of the connecting rod (24), and the end of the connecting rod (24) is connected with the end of the pressing bar. The outer wall is rotatably connected, and the outer wall of the pressing plate (25) is fixedly connected to the second block (26). 4. A kind of building construction stair safety protection net according to claim 1, is characterized in that: the lower surface of described universal wheel (5) and protection net main body (1) is vertically arranged mutually, and described first motor ( 10) and the outer wall of the second support body (9) are arranged perpendicular to each other. 5. The safety protection net for building construction stairs according to claim 2, characterized in that: one end of the first two-way screw rod (16) is rotatably connected to the inner wall of the second support body (9), and the first A two-way screw rod (16) and the first guide rod (20) are arranged in a horizontal direction. 6. The safety protection net for building construction stairs according to claim 3, characterized in that: the second two-way screw (21) and the second guide rod (23) are arranged in a horizontal direction, and the pressing plate (25 ) and the second two-way screw mandrel (21) are arranged parallel to each other.

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