CN210029828U - Tower machine vertical ladder pulls safe anti-falling device - Google Patents

Abstract

The utility model discloses a tower machine vertical ladder pulls safe anti-falling device, including the supporting leg, draw gear and No. two draw gear, when climbing up, guarantee the security through the position of the couple on the vertical ladder that changes safety clothing, in the climbing process if the couple on the safety clothing damages or forgets when hanging on the vertical ladder, guarantee that the staff can not fall when climbing, when getting off from the vertical ladder, wire rope around on the ratchet will be pulled out in the casing, when taking place to step on empty and weighing down, wire rope accelerates from the speed in the casing, the pawl will pin the ratchet automatically, wire rope's pull-out distance is shorter, guarantee that the staff can not be injured, when the staff stands steadily on the vertical ladder, No. two draw gear's load reduces, resume normal condition, guarantee that the staff can land safely.

Description

A tower crane straight climbing ladder traction safety anti-fall device

technical field

The utility model relates to the field of personal safety in construction, in particular to a traction safety anti-fall device for a tower crane.

Background technique

Tower crane, short for tower crane, has become the most commonly used lifting equipment on construction sites because of its high-efficiency handling and lifting functions. Enter the operation room of the crane to complete the operation of the crane and complete the high-altitude work. In the process of climbing, most of the time climbing is done with bare hands. In winter, when the ladder freezes and there is water on the ladder in rainy days, climb straight with bare hands. Ladders will have great safety hazards. The current straight ladders of tower cranes lack protection measures, plus many problems such as icing, rain, wind and other bad weather, and improper operation of climbers during the climbing process. During the climbing process, the climber has stepped on the air, and the dangerous situation such as not grasping is greatly increased, and even the climber may fall due to improper operation. A device to prevent the person from falling during the climbing process is very necessary. .

Utility model content

The purpose of this utility model is to provide a tower crane straight climbing ladder traction safety anti-fall device to solve the problems raised in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a tower crane straight climbing ladder traction safety anti-fall device, including support legs, No. 1 traction device and No. 2 traction device, characterized in that: the two support legs are The inner and outer surfaces are fixedly installed with evenly distributed straight climbing ladders, the outer upper ends of the two supporting legs are fixedly installed with hanging rods, the middle of the outer surfaces of the lower ends of the hanging rods are fixedly installed with lighting lamps, and the inner and outer surfaces of the supporting legs are fixedly installed. The upper end is fixedly installed with a placement platform, the outer surface of the upper end of the placement platform is provided with a transparent square hole, the outer surface of the upper end of the placement platform is fixedly installed with a fixing box, and the outer surfaces of both sides of the lower end of the fixing box are fixedly installed with a fixed box. Corresponding threaded holes are opened in the middle of the fixing plates on both sides, bolts are rotatably connected inside the threaded holes, nuts are threadedly connected at the ends of the bolts, the fixing plates pass through the square holes, and are fixed The threaded hole on the plate is located below the square hole, the upper end of the inner wall of the fixing box is fixedly installed with a fixing rod, the bottom end of the inner wall of the fixing box is provided with guide holes on both sides, and the left outer surface of the fixing rod is connected to a The upper hook of the No. 1 traction device is movably connected, the lower end of the upper hook of the No. 1 traction device is movably connected with a nylon rope, and the other end of the nylon rope is movably installed with the lower hook of the No. 1 traction device, and the right side of the fixing rod is outside. The upper hook of the No. 2 traction device is movably installed on the surface, the lower end of the upper hook of the No. 2 traction device is movably installed with a nylon rope, the other end of the nylon rope is fixedly installed with a casing, and the inner wall of the casing is fixed in the middle A ratchet wheel is installed, the outer surface of the ratchet wheel is rotatably connected with a wire rope, the lower end of the inner wall of the housing is fixedly installed with a pawl, and the other end of the wire rope is fixedly connected with the lower hook of the No. 2 traction device.

Preferably, an anti-skid pad is movably installed on the outer surface of the straight-climbing ladder, and the anti-skid pad is shorter than that of the straight-climbing ladder.

Preferably, the guide holes opened at the lower end of the inner wall of the fixing box and the bolts are not on the same plane.

Preferably, the outer surfaces of the straight ladder, the fixing box, the bolts, the nuts and the casing are all painted.

Preferably, the wire rope of the lower hook of the No. 2 traction device passes through the pawl.

Preferably, when the No. 2 traction device is not in use, the wire rope is inside the casing.

Compared with the prior art, the beneficial effect of the utility model is: when the climbers start to climb, they put on the safety clothes, and the hooks on the safety clothes can be hung on the straight ladder, and then the hooks of the safety clothes can be hung on the straight ladder, and then the hooks of the No. The lower hook is connected with the hanging ring on the safety clothing, and the non-slip pad on the straight ladder ensures that the staff can reduce the probability of stepping on the air and slipping in the event of bad weather, ensuring the safety of the staff. The hook of the safety clothing passes through the elastic rope. Connect, during the climbing process, hang on the straight ladder without anti-skid pad through the hook on the safety suit, if you forget to hang the hook on the straight ladder, because the No. 1 traction device is connected to the safety suit, it is guaranteed There will be no accidents during the climbing process;

The fixing plate at the lower end of the fixing box passes through the square hole on the platform, and the fixing plate is fixed by bolts and nuts to ensure the stability of the fixing box; the upper hook of the No. 1 traction device and the upper hook of the No. 2 traction device are movably connected to the fixed box. The inner fixing rod of the box ensures that the connection between the two traction devices will not be broken due to rain and other factors, and the service life will be increased;

When going down from the crane's studio, at night or in poor lighting conditions, turn on the lights, and observe each step of the straight ladder below through the lights to reduce the probability of stepping empty. The lower hook of the No. 2 traction device is the same The hanging ring on the safety suit is connected. When an accident occurs when stepping on the air, because the wire rope falls too fast, the pawl will immediately block the ratchet wheel. The response time is short and the safety is increased. Compared with fixing through the hook on the safety suit, the efficiency is higher. higher.

Description of drawings

Fig. 1 is the front view of the structure of the utility model;

Fig. 2 is the top view of the utility model structure placement platform;

3 is a perspective view of the structural fixing box of the present utility model;

FIG. 4 is a schematic diagram of the structural traction device of the present invention.

In the picture: 1 support legs, 2 anti-skid pads, 3 straight ladders, 4 lights, 5 hanging rods, 6 placing platforms, 7 square holes, 8 fixing boxes, 9 fixing rods, 10 guide holes, 11 threaded holes, 12 bolts, 13 Nut, 14 Fixing plate, 15 No. 1 traction device, 16 nylon rope, 17 No. 2 traction device, 18 ratchet, 19 shell, 20 pawl, 21 steel wire rope.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-4, the present utility model provides a technical solution: a tower crane straight climbing ladder traction safety anti-fall device, including support legs 1, No. 1 traction device 15 and No. 2 traction device 17, two support legs 1 There are straight ladders 3 evenly distributed on the inner and outer surfaces of the straight ladders, and anti-skid pads 2 are movably installed on the outer surface of the straight ladders 3, and the anti-skid pads 2 are shorter than those of the straight ladders 3. In the case of bad weather, the probability of stepping on air and slipping is reduced, and the safety of the staff is ensured. Hanging rods 5 are fixedly installed on the outer upper ends of the two supporting legs 1, and lights 4 are fixedly installed in the middle of the outer surfaces of the lower ends of the hanging rods 5. , when going down from the crane's studio, at night or in poor light conditions, turn on the light 4, and observe each step of the straight ladder 3 below through the light 4, reduce the probability of stepping on the air, and support the leg 1. A placement platform 6 is fixedly installed on the upper end of the inner and outer surfaces, and a transparent square hole 7 is opened on the outer surface of the upper end of the placement platform 6. The transparent square hole 7 is not only conducive to reducing the residue of rainwater, but also can increase the stability of the fixed box 8 , the outer surface of the upper end of the placing platform 6 is fixedly installed with the fixing box 8, the outer surfaces of both sides of the lower end of the fixing box 8 are fixedly installed with the fixing plates 14, and the middle of the fixing plates 14 on both sides is provided with a corresponding threaded hole 11. A bolt 12 is rotated inside, and a nut 13 is threadedly connected to the end of the bolt 12. The fixing plate 14 passes through the square hole 7, and the threaded hole 11 on the fixing plate 14 is located below the square hole 7. The fixing plate 14 passes through the bolt 12 and the nut. 13 to be fixed to ensure the stability of the fixed box 8, the upper end of the inner wall of the fixed box 8 is fixedly installed with a fixed rod 9, the bottom end of the inner wall of the fixed box 8 is provided with guide holes 10 on both sides, the No. 1 traction device 15 and the No. 2 traction device 17 are movably installed on the fixed rod 9 through the guide hole 10 to ensure that the connection between the two traction devices will not be broken due to rain and other factors, and the service life will be increased. The upper hook of the traction device 15 is movably connected, the lower end of the upper hook of the No. 1 traction device 15 is movably connected with a nylon rope 16, and the other end of the nylon rope 16 is movably installed with the lower hook of the No. 1 traction device 15, and the outer surface of the right side of the fixed rod 9 The upper hook of the No. 2 traction device 17 is movably installed, the lower end of the upper hook of the No. 2 traction device 17 is movably installed with a nylon rope 16, the other end of the nylon rope 16 is fixedly installed with a casing 19, and the inner wall of the casing 19 is fixedly installed in the middle There is a ratchet wheel 18, the outer surface of the ratchet wheel 18 is rotatably connected with a wire rope 21, the lower end of the inner wall of the housing 19 is fixedly installed with a pawl 20, and the other end of the wire rope 21 is fixedly connected with the lower hook of the second traction device 17, the second traction device 17 The wire rope 21 of the lower hook passes through the pawl 20. When not in use, the wire rope 21 is inside the housing 19, and the lower hook of the No. 2 traction device 17 is connected with the hanging ring on the safety suit. When the wire rope 21 falls too fast, the pawl 20 will immediately block the ratchet wheel 18, the reaction time is short, and there will be no shaking when falling, compared with passing The hooks on the safety clothing are fixed, and the safety is greatly improved.

When in use, when climbing upwards, the lower hook of the No. 1 traction device 15 is connected to the hanging ring on the safety suit, and the safety is ensured by changing the position of the hook on the safety suit on the straight ladder 3. When the hook on the clothes is damaged or forgotten to be hung on the straight ladder 3, the No. 1 traction device 15 ensures that the staff will not fall when climbing;

When going up and down from the straight ladder 3, the lower hook of the No. 2 traction device 17 is connected to the hanging loop of the safety suit. During the downward process, the wire rope 21 wound on the ratchet 18 in the casing 19 will be pulled. Out, when stepping down and falling, the speed of the wire rope 21 from the housing 19 is accelerated, the pawl 20 will automatically lock the ratchet 18, and the pull-out distance of the wire rope 21 is short to ensure that the staff will not be injured. When the person stands firm on the straight ladder 3, the load of the No. 2 traction device 17 is reduced and returns to a normal state to ensure that the staff can safely land on the ground. Since the shell 19 is in a semi-tensed state, after landing, take off the No. 2 safety suit. When the lower hook of the traction device 17 is hooked, the wire rope 21 will be retracted by the ratchet 18 in the housing 19, such a device has higher efficiency, better safety, and is convenient and practical.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a tower machine vertical ladder pulls safe anti-falling device, includes supporting leg (1), draw gear (15) and No. two draw gear (17), its characterized in that: the novel support leg comprises two support legs (1), wherein the inner side outer surfaces of the two support legs (1) are fixedly provided with evenly distributed vertical ladder stands (3), the outer side upper ends of the two support legs (1) are fixedly provided with hanging rods (5), the middle of the lower end outer surface of each hanging rod (5) is fixedly provided with a lighting lamp (4), the upper end of the inner side outer surface of each support leg (1) is fixedly provided with a placement platform (6), the upper end outer surface of each placement platform (6) is provided with a through square hole (7), the upper end outer surface of each placement platform (6) is fixedly provided with a fixing box (8), the outer surfaces of the two sides of the lower end of each fixing box (8) are fixedly provided with fixing plates (14), the middle of the fixing plates (14) at the two sides are provided with corresponding threaded holes (11), the inner parts of the threaded, the fixing plate (14) penetrates through the square hole (7), a threaded hole (11) in the fixing plate (14) is located below the square hole (7), a fixing rod (9) is fixedly mounted at the upper end of the inner wall of the fixing box (8), guide holes (10) are formed in two sides of the bottom end of the inner wall of the fixing box (8), the outer surface of the left side of the fixing rod (9) is movably connected with an upper hook of a traction device (15), a nylon rope (16) is movably connected to the lower end of the upper hook of the traction device (15), a lower hook of the traction device (15) is movably mounted at the other end of the nylon rope (16), an upper hook of a second traction device (17) is movably mounted on the outer surface of the right side of the fixing rod (9), the nylon rope (16) is movably mounted at the lower end of the upper hook of the second traction device (17), and a shell (19) is fixedly mounted at the other end of, ratchet (18) are fixedly mounted in the middle of the inner wall of the shell (19), a steel wire rope (21) is rotatably connected to the outer surface of the ratchet (18), a pawl (20) is fixedly mounted at the lower end of the inner wall of the shell (19), and the other end of the steel wire rope (21) is fixedly connected with a lower hook of the second traction device (17).

2. The tower crane vertical ladder traction safety anti-falling device is characterized in that: the outer surface of the vertical ladder (3) is movably provided with an anti-skid pad (2), and the anti-skid pad (2) is shorter than the vertical ladder (3).

3. The tower crane vertical ladder traction safety anti-falling device is characterized in that: the guide hole (10) formed in the lower end of the inner wall of the fixing box (8) and the bolt (12) are not in the same plane.

4. The tower crane vertical ladder traction safety anti-falling device is characterized in that: the outer surfaces of the vertical ladder (3), the fixing box (8), the bolt (12), the nut (13) and the shell (19) are all subjected to paint spraying treatment.

5. The tower crane vertical ladder traction safety anti-falling device is characterized in that: and a steel wire rope (21) of a lower hook of the second traction device (17) passes through the pawl (20).

6. The tower crane vertical ladder traction safety anti-falling device is characterized in that: when the second traction device (17) is not used, the steel wire rope (21) is arranged inside the shell (19).

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