阅读说明：本技术 一种升降脚手架架体的主框架防坠装置 (Main frame anti-falling device of lifting scaffold frame body ) 是由 苏波 郑义宝 于 2019-10-11 设计创作，主要内容包括：本发明公开了一种升降脚手架架体的主框架防坠装置,包括框架和连接在框架上的防坠结构,所述框架两侧对称连接设置有用于通过提高摩擦力辅助防坠的防坠条,所述框架下端还连接设置有通过弹性缓冲辅助防坠的防坠底垫,所述框架上端还设有用于感应牵引力的压力感应器,所述压力感应器和防坠条电性连通,且控制防坠条运行启动。本发明中框架在发生突然坠落时,压力感应器上感应的牵引力突然改变,从而控制熔断螺栓熔断,在熔断螺栓熔断后,第一压缩弹簧推动滑动板滑动,并通过连杆推动防滑垫压紧框架运行的通道,从而增加摩擦以避免高速坠落；通过防坠条减缓下落速度,并在落入底部时,垫板通过第二压缩弹簧弹性缓冲,进一步提高安全性。(The invention discloses a main frame anti-falling device of a lifting scaffold frame body, which comprises a frame and anti-falling structures connected to the frame, wherein anti-falling strips for assisting anti-falling through improving friction force are symmetrically connected to two sides of the frame, the lower end of the frame is also connected with an anti-falling bottom pad for assisting anti-falling through elastic buffering, the upper end of the frame is also provided with a pressure sensor for sensing traction force, and the pressure sensor is electrically communicated with the anti-falling strips and controls the anti-falling strips to run and start. When the frame suddenly falls, the traction force sensed by the pressure sensor is suddenly changed, so that the fusing bolt is controlled to be fused, after the fusing bolt is fused, the first compression spring pushes the sliding plate to slide, and the anti-skid pad is pushed by the connecting rod to tightly press a channel for the frame to run, so that friction is increased, and the high-speed falling is avoided; the falling speed is slowed down through the anti-falling strip, and when the anti-falling strip falls into the bottom, the backing plate is elastically buffered through the second compression spring, so that the safety is further improved.)

1. The utility model provides a main frame anti-falling device of lifting scaffolding support body, includes frame (1) and the anti-falling structure of connection on frame (1), its characterized in that, frame (1) bilateral symmetry is connected and is provided with and is used for assisting anti-falling strip (4) of preventing weighing down through improving frictional force, frame (1) lower extreme is still connected and is provided with through the supplementary anti-falling heeling pad (5) of preventing weighing down of elastic buffer, frame (1) upper end still is equipped with pressure sensors (6) that are used for responding to traction force, pressure sensors (6) and anti-falling strip (4) electric intercommunication, and control and prevent that strip (4) operation starts.

2. The main frame anti-falling device of the lifting scaffold frame body as claimed in claim 1, wherein the frame (1) is symmetrically provided with a plurality of sets of sliding members at both sides, and the plurality of sets of sliding members are respectively arranged at the upper and lower parts of the frame (1).

3. A main frame fall arrest device for a lifting scaffold according to claim 2, characterized in that the fall arrest bar (4) comprises bar cavities (41) fixed to the side walls of the frame (1) and elastic friction structures connected in the bar cavities (41), which are connected by a fuse bolt (46) and limit the slider surface connection line with its friction surface on the same side to be flush, the fuse bolt (46) and the pressure sensor (6) being in electrical communication.

4. The main frame falling prevention device of a lifting scaffold body of claim 3, wherein the elastic friction structure comprises a sliding plate (42) which is arranged in the bar cavity (41) in a sliding fit manner and a non-slip mat (45) which is connected to the sliding plate (42) through a connecting rod (44), the end of the connecting rod (44) far away from the sliding plate (42) slides through the side wall of the bar cavity (41) far away from the frame (1), the surface of the non-slip mat (45) is attached with wear-resistant rubber, and the sliding plate (42) and the inner wall of the bar cavity (41) near the frame (1) are elastically connected through a first compression spring (43).

5. A main frame fall protection device for a lifting scaffold according to claim 2 or 3, characterized in that the sliding member comprises a bracket (2) fixedly connected to the side wall of the frame (1) and a roller (3) rotatably connected to the bracket (2), the bracket (2) is a U-shaped metal member; gyro wheel (3) rotate to be connected in support (2), and gyro wheel (3) are equipped with the multiunit, gyro wheel (3) surface cladding has the rubber cushion, the passageway lateral wall activity laminating of gyro wheel (3) edge and frame (1) operation.

6. A main frame fall arrest device for a lifting scaffold according to claim 1, characterized in that the lower end of the frame (1) is embedded or even has multiple sets of barrel cavities (11), and the fall arrest bottom pad (5) is elastically connected to the barrel cavities (11).

7. The main frame anti-falling device of a lifting scaffold body is characterized in that the anti-falling bottom pad (5) comprises a base plate (51) positioned below the frame (1) and a bobbin (52) in sliding fit in a bobbin cavity (11), the bobbin (52) is fixedly connected below the base plate (51), a second compression spring (53) is arranged in the bobbin (52) in a connecting mode, one end of the second compression spring (53) is fixedly connected to the inner bottom of the bobbin (52), the other end of the second compression spring (53) is fixedly connected to the inner top of the bobbin cavity (11), and the second compression spring (53) pushes the base plate (51) to be far away from the bottom of the frame (1) through the bobbin (52).

Technical Field

The invention relates to the technical field of safety of lifting structures, in particular to a main frame anti-falling device of a lifting scaffold frame body.

Background

The lifting scaffold is erected at a certain height, attached to an engineering structure and capable of climbing or descending layer by layer along with the engineering structure by means of self lifting equipment and devices.

Disclosure of Invention

The invention aims to provide a main frame anti-falling device of a lifting scaffold body, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a main frame anti-falling device of lifting scaffolding support body, includes the frame and connects the structure of preventing weighing down on the frame, frame bilateral symmetry connects and is provided with and is used for preventing the strip of preventing weighing down through improving the auxiliary of frictional force, the frame lower extreme still is connected and is provided with the heelpiece of preventing weighing down through the elasticity buffering is supplementary, the frame upper end still is equipped with the pressure sensors who is used for responding to traction force, pressure sensors and prevent weighing down strip electric intercommunication, and control and prevent weighing down the strip operation and start.

Furthermore, a plurality of groups of sliding parts are symmetrically connected to two sides of the frame, and the plurality of groups of sliding parts are respectively arranged on the upper portion and the lower portion of the frame.

Furthermore, prevent weighing down the strip including fixing the strip die cavity on the frame lateral wall and connecting the elasticity friction structure in the strip die cavity, elasticity friction structure connects and restricts through fusing bolt and makes its friction surface lie in the slider surface line with one side and flush, fusing bolt and pressure sensors electrical property intercommunication.

Furthermore, the elastic friction structure comprises a sliding plate arranged in the strip-shaped cavity in a sliding fit mode and a non-slip mat connected to the sliding plate through a connecting rod, the tail end, far away from the sliding plate, of the connecting rod slides to penetrate through the side wall, far away from the frame, of the strip-shaped cavity, the surface of the non-slip mat is attached with wear-resistant rubber, and the sliding plate is elastically connected with the inner wall, close to the frame, of the strip-shaped cavity through a first compression spring.

Furthermore, the sliding part comprises a bracket fixedly connected to the side wall of the frame and a roller rotatably connected to the bracket, and the bracket is a U-shaped metal piece; the gyro wheel rotates to be connected in the support, and the gyro wheel is equipped with the multiunit, the gyro wheel surface cladding has the rubber cushion, the passageway lateral wall activity laminating of gyro wheel edge and frame operation.

Furthermore, the lower end of the frame is embedded into even a plurality of groups of cylinder cavities, and the anti-falling bottom cushion is elastically connected onto the cylinder cavities.

Furthermore, the anti-falling bottom pad comprises a base plate located below the frame and a bobbin in sliding fit with the bobbin in the bobbin cavity, the bobbin is fixedly connected below the base plate, a second compression spring is arranged in the bobbin in a connected mode, one end of the second compression spring is fixedly connected to the bottom in the bobbin, the other end of the second compression spring is fixedly connected to the top in the bobbin cavity, and the second compression spring pushes the base plate to be far away from the bottom of the frame through the bobbin.

Compared with the prior art, the invention has the beneficial effects that: the frame runs stably through the idler wheels rotating on the support, when sudden falling occurs, the traction force sensed by the pressure sensor changes suddenly, so that the fusing bolt is controlled to be fused, after the fusing bolt is fused, the first compression spring pushes the sliding plate to slide, the anti-slip mat is pushed through the connecting rod to press a channel where the frame runs, and friction is increased so as to avoid high-speed falling; the falling speed is slowed down through the anti-falling strip, and when the anti-falling strip falls into the bottom, the backing plate is elastically buffered through the second compression spring, so that the safety is further improved.

Drawings

Fig. 1 is a schematic structural diagram of a main frame anti-falling device of a lifting scaffold frame body.

Fig. 2 is an enlarged schematic view of a region a in fig. 1.

Fig. 3 is a perspective view of a slider in the main frame fall preventing device of the lifting scaffold body.

FIG. 4 is a schematic structural view of a fall protection bar in a main frame fall protection device of a lifting scaffold frame.

In the figure: 1-frame, 11-barrel cavity, 2-bracket, 3-roller, 4-anti-falling strip, 41-die cavity, 42-sliding plate, 43-first compression spring, 44-connecting rod, 45-non-slip pad, 46-fusing bolt, 5-anti-falling bottom pad, 51-backing plate, 52-barrel, 53-second compression spring and 6-pressure sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.