CN215781096U

CN215781096U - High-altitude operation suspension device

Info

Publication number: CN215781096U
Application number: CN202121964233.5U
Authority: CN
Inventors: 杜超; 田振玉; 阮涛; 董飞
Original assignee: Kunming Feixiang Material Technology Co ltd
Current assignee: Kunming Feixiang Material Technology Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-02-11
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses a high-altitude operation suspension device, which comprises an ascender and a pulley assembly, wherein the ascender comprises a shell, a pull rope lock, a support, a first rotating wheel and a second rotating wheel, one end of the shell is bent to form a containing groove, a cable is arranged in the containing groove, one end of the pull rope lock is hinged with the shell, the other end of the pull rope lock can be contacted with the cable, one end of the pull rope lock, which is hinged with the shell, is provided with a torsion spring, one end of the torsion spring is fixedly connected with the pull rope lock, the other end of the torsion spring is fixedly connected with the shell, one end of the support is hinged with the shell, the other end of the support is rotatably connected with the first rotating wheel, a synchronous lock is connected between the support and the pull rope lock, a first pull rope is wound on the second rotating wheel, and the first rotating wheel and the second rotating wheel are coaxially arranged; the pulley assembly is arranged on the riser. The utility model can transfer the stress point from the back of the operator to the front of the chest, reduce the compression of the safety belt on the blood vessel of the leg, prevent the suspension wound and wait for rescue in time.

Description

High-altitude operation suspension device

Technical Field

The utility model relates to the technical field of suspension devices, in particular to a suspension device for aerial work.

Background

When working at high altitude, workers need to wear safety belts to work at high altitude, and the hanging points of the general safety belts are on the back, so that the workers can face downwards once falling from high altitude, and the workers are hung in the half-air due to the action of the safety belts, blood flowing back to the heart is reduced, and if the workers are always in a hanging state and cannot be rescued in time, casualties can possibly occur; even if the robot is not injured, dizziness can be caused within the fastest three minutes when the robot is hung in the air, consciousness can be lost within five minutes, and hanging wounds can occur, so that the robot is very dangerous. Therefore, there is a need for an improvement of the existing suspension device for working aloft, which prevents the suspension injury of the working personnel after falling, and enables the working personnel to safely wait for rescue.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a suspension device for high-altitude operation, aiming at the defects of the prior art.

In order to solve the problems, the technical scheme adopted by the utility model is as follows:

a high-altitude operation suspension device comprises an ascender and a pulley assembly, wherein the ascender comprises a shell, a pull rope lock, a support, a first rotating wheel and a second rotating wheel, one end of the shell is bent to form a containing groove, a cable is arranged in the containing groove, one end of the pull rope lock is hinged to the shell, the other end of the pull rope lock can be contacted with the cable, a torsion spring is arranged at one end of the pull rope lock, which is hinged to the shell, one end of the torsion spring is fixedly connected with the pull rope lock, the other end of the torsion spring is fixedly connected with the shell, one end of the support is hinged to the shell, the other end of the support is rotatably connected with the first rotating wheel, the first rotating wheel is positioned on the inner side of the shell, a synchronous lock is connected between the support and the pull rope lock, the second rotating wheel is positioned on the outer side of the shell, a first pull rope is wound on the second rotating wheel, and the first rotating wheel and the second rotating wheel are coaxially arranged; the pulley assembly is arranged on the riser.

Furthermore, a plurality of ratchets are arranged on one surface of the rope pulling lock, which is contacted with the cable, the wheel surface of the first rotating wheel and the wheel surface of the second rotating wheel.

Furthermore, the outside of second runner is equipped with the safety cover, the safety cover is articulated to be set up on the shell.

Furthermore, a first sliding groove is formed in the shell, and a rotating shaft connected with the first rotating wheel and the second rotating wheel is arranged in the first sliding groove in a sliding mode.

Further, loose pulley assembly includes upper pulley seat, lower pulley seat and second stay cord, the upper pulley seat passes through link and shell fixed connection, the upper pulley seat rotates and is equipped with first fixed pulley and second fixed pulley, it is equipped with first movable pulley and second movable pulley to rotate on the lower pulley seat, the one end and the upper pulley seat fixed connection of second stay cord, the other end is twined in proper order behind first movable pulley, first fixed pulley, second movable pulley and the second fixed pulley and is freely flagging.

Furthermore, one end of the synchronous lock is hinged with the pull rope lock, and the other end of the synchronous lock is rotatably connected with the rotating shaft.

Furthermore, a locking column is arranged on the synchronous lock, a second sliding groove is arranged on the shell, and the locking column can be slidably arranged in the second sliding groove; the shell is further provided with a pressing device, the pressing device comprises a button and a pressing block, a spring shifting piece is arranged between the button and the pressing block, and the pressing block is located on the outer side of the shell.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: after the operator falls, the operator can be hung on the cable under the action of the safety belt, and the hanging point is on the back, so that blood vessels on the legs can be pressed to cause hanging injury; after an operator falls, the operator hangs the riser on the cable, and the cable is positioned at the back of the operator, so that the problem of inconvenient hanging is solved, the riser is provided with a synchronous lock, the cable lock and the support rotate downwards after the synchronous lock is stirred until the synchronous lock is locked and fixed by a pressing device, a gap of the accommodating groove is exposed, the cable enters the accommodating groove along the gap, the pressing device is pressed, and the cable lock and the support rotate upwards to lock the cable due to the resilience action force of a torsion spring after the synchronous lock, so that the riser is prevented from falling; the first stay cord of pulling makes the second runner rotate afterwards, drive first runner rotation in step, first runner rotates on the hawser and can drive the riser and rise, hang the lower pulley seat in the front of the operation personnel chest after the riser rises to a take the altitude, the pulling second stay cord makes the lower pulley seat rise, can stimulate operation personnel to vertical or the state of lying to one side simultaneously, make the stress point shift to the front of the chest, can effectively alleviate the vascular oppression of shank, the wound is suspended in midair in the prevention, make operation personnel can in time wait for safety rescue.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the riser of the present invention;

FIG. 3 is a schematic perspective view of another angle of the riser of the present invention;

FIG. 4 is a perspective view of the housing of the present invention;

figure 5 is a perspective view of the sheave assembly of the present invention;

fig. 6 is a perspective view of the cord lock of the present invention.

In the figure: the device comprises a lifter 1, a pulley assembly 2, a shell 3, a rope lock 4, a support 5, a first rotating wheel 6, a second rotating wheel 7, an accommodating groove 8, a cable 9, a synchronous lock 10, a first pull rope 11, a ratchet 12, a protective cover 13, a first sliding groove 14, an upper pulley seat 15, a lower pulley seat 16, a second pull rope 17, a locking column 18, a second sliding groove 19, a button 20 and a pressing block 21.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-6, an aerial work suspension device comprises an ascender 1 and a pulley assembly 2, wherein the ascender 1 comprises a housing 3, a pull rope lock 4, a support 5, a first pulley 6 and a second pulley 7, one end of the housing 3 is bent to form a containing groove 8, a cable 9 is arranged in the containing groove 8, one end of the pull rope lock 4 is hinged to the housing 3, the other end of the pull rope lock 4 can contact with the cable 9, one end of the pull rope lock 4 hinged to the housing 3 is provided with a torsion spring (not shown in the figures), one end of the torsion spring is fixedly connected with the pull rope lock 4, the other end of the torsion spring is fixedly connected with the housing 3, one end of the support 5 is hinged to the housing 3, the other end of the support is rotatably connected with the first pulley 6, the first pulley 6 is located on the inner side of the housing 3, a synchronous lock 10 is connected between the support 5 and the pull rope lock 4, the second pulley 7 is located on the outer side of the housing 3, a first pull rope 11 is wound on the second rotating wheel 10, and the first rotating wheel 6 and the second rotating wheel 7 are coaxially arranged; the pulley assembly 2 is arranged on the riser.

Furthermore, a plurality of ratchets 12 are arranged on one surface of the rope lock 4, which is in contact with the rope 9, on the wheel surface of the first rotating wheel 6 and on the wheel surface of the second rotating wheel 7, and the ratchets 12 can prevent the rope 9 from slipping to cause danger.

Further, a protective cover 13 is arranged on the outer side of the second rotating wheel 7, the protective cover 13 is hinged to the shell 3, and the protective cover 13 can prevent the first pull rope 11 from being separated from the second rotating wheel 7.

Further, a first sliding groove 14 is formed in the housing 3, and a rotating shaft connecting the first rotating wheel 6 and the second rotating wheel 7 is slidably disposed in the first sliding groove 14.

Further, pulley block 2 includes upper pulley seat 15, lower pulley seat 16 and second stay cord 17, upper pulley seat 15 passes through link and 3 fixed connection of shell, upper pulley seat 15 rotates and is equipped with first fixed pulley and second fixed pulley, it is equipped with first movable pulley and second movable pulley to rotate on the lower pulley seat 16, the one end and the 15 fixed connection of upper pulley seat of second stay cord 17, the other end is twined in proper order behind first movable pulley, first fixed pulley, second movable pulley and the second fixed pulley and is freely flagging.

Furthermore, one end of the synchronous lock 10 is hinged with the rope pulling lock 4, and the other end is rotatably connected with the rotating shaft.

Further, a locking column 18 is arranged on the synchronous lock 10, a second sliding groove 19 is arranged on the housing 3, and the locking column 18 is slidably arranged in the second sliding groove 19; the shell 3 is further provided with a pressing device, the pressing device comprises a button 20 and a pressing block 21, a spring shifting piece (not shown in the figure) is arranged between the button 20 and the pressing block 21, and the pressing block 21 is located on the outer side of the shell 3.

The working principle is as follows: when the operator falls from high altitude, the operator can hang on the cable 9, at the moment, because the hanging point of the safety belt is generally positioned at the back, the face of the operator hangs downwards in the half-hollow space, and the safety belt presses blood vessels of legs, so that the hanging wound is easily caused; at the moment, the operator takes out the riser 2, dials the synchronous lock 10 to enable the locking column 18 to slide in the second sliding groove 19, and simultaneously presses the button 20 downwards, the pressing block 21 moves away from one side of the shell 3 under the action of the spring plectrum, the locking column 18 moves to the pressing block 21, the button 20 is loosened, the pressing block 21 clamps the locking column 18, the synchronous lock 10 is locked and fixed, the pull rope lock 4 and the support 5 move downwards when the synchronous lock 10 is dialed, the opening on one side of the accommodating groove 8 can be exposed, at the moment, the operator hangs the riser 2 on the cable 9, the cable 8 enters the accommodating groove 8 through the opening on one side of the accommodating groove 8, the button 20 is pressed after the cable 9 enters the accommodating groove 8, the pressing block 21 is separated from the locking column 18, the support 5 and the pull rope lock 4 move upwards under the action of the torsion spring until the pull rope lock 4 and the first roller 6 contact with the cable 9, and then the first pulley 11 is pulled to enable the second pulley 7 to rotate and drive the first pulley 6 to rotate, the lifting device 1 rises along the cable 9, when the lifting device 1 rises to a certain height, the lower pulley seat 16 is hung in front of the chest of an operator, then the second pull rope 17 is pulled to lift the lower pulley seat 16, and simultaneously the operator is lifted, so that the stress point of the operator is transferred to the front of the chest, the pressure of the safety belt on the leg blood vessel of the operator is reduced, the suspension wound is prevented, and the operator can safely wait for rescue.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The overhead working suspension device is characterized by comprising an ascender (1) and a pulley assembly (2), wherein the ascender (1) comprises a shell (3), a stay rope lock (4), a support (5), a first rotating wheel (6) and a second rotating wheel (7), one end of the shell (3) is bent to form a containing groove (8), a cable rope (9) is arranged in the containing groove (8), one end of the stay rope lock (4) is hinged with the shell (3), the other end of the stay rope lock can be contacted with the cable rope (9), a torsion spring is arranged at one end of the stay rope lock (4) hinged with the shell (3), one end of the torsion spring is fixedly connected with the stay rope lock (4), the other end of the torsion spring is fixedly connected with the shell (3), one end of the support (5) is hinged with the shell (3), the other end of the support is rotatably connected with the first rotating wheel (6), and the first rotating wheel (6) is positioned on the inner side of the shell (3), a synchronous lock (10) is connected between the support (5) and the rope pulling lock (4), the second rotating wheel (7) is positioned on the outer side of the shell (3), a first pull rope (11) is wound on the second rotating wheel (10), and the first rotating wheel (6) and the second rotating wheel (7) are coaxially arranged; the pulley assembly (2) is arranged on the ascender.

2. An aerial work suspension as claimed in claim 1 wherein the face of the zip (4) in contact with the cable (9), the tread of the first wheel (6) and the tread of the second wheel (7) are provided with a plurality of ratchet teeth (12).

3. An aerial work suspension as claimed in claim 1 wherein a protective shield (13) is provided on the outside of the second wheel (7), the shield (13) being hingedly mounted to the housing (3).

4. An aerial work suspension as claimed in claim 1 wherein the housing (3) is provided with a first runner (14) and the shaft connecting the first (6) and second (7) wheels is slidably disposed within the first runner (14).

5. The aerial work suspension device according to claim 1, wherein the pulley assembly (2) comprises an upper pulley seat (15), a lower pulley seat (16) and a second pull rope (17), the upper pulley seat (15) is fixedly connected with the outer shell (3) through a hanging ring, the upper pulley seat (15) is provided with a first fixed pulley and a second fixed pulley in a rotating manner, the lower pulley seat (16) is provided with a first movable pulley and a second movable pulley in a rotating manner, one end of the second pull rope (17) is fixedly connected with the upper pulley seat (15), and the other end of the second pull rope is wound around the first movable pulley, the first fixed pulley, the second movable pulley and the second fixed pulley in sequence and then freely sags.

6. An aerial work suspension as claimed in claim 4 wherein the synchronising lock (10) is hinged at one end to the pull-cord lock (4) and pivotally connected at the other end to the pivot.

7. An aerial work suspension device as claimed in claim 6 wherein the synchronisation lock (10) is provided with a locking post (18), the housing (3) is provided with a second runner (19), the locking post (18) is slidably disposed within the second runner (19); still be equipped with press device on shell (3), press device includes button (20) and compact heap (21), be equipped with the spring plectrum between button (20) and compact heap (21), compact heap (21) are located the outside of shell (3).