CN220999036U - Tower machine cat ladder protector - Google Patents

Abstract

The utility model relates to a tower crane ladder stand protection device which comprises a climbing ladder, wherein a protection box is arranged at the outer side of the climbing ladder at equal intervals, sliding plates are connected inside the protection box in a sliding mode, anti-falling nets are arranged inside the sliding plates, buffer mechanisms are arranged inside the protection box, each buffer mechanism comprises a fixing plate, a sliding rod and a sliding block, the bottom of each sliding plate is fixedly connected with the fixing plate, and sliding rods are fixedly connected to the two sides of the inner wall of the protection box. The anti-falling device has the advantages that when workers lose hands or lose feet and fall, the anti-falling net falls on the sliding plate, the sliding plate can move downwards due to huge gravity and simultaneously drives the fixing plate to move, so that connecting rods on two sides of the fixing plate are driven to rotate, the corresponding sliding blocks are pushed to slide in the protective box, a certain buffering effect is achieved through the springs, and meanwhile, an important buffering effect is achieved on the sliding plate through the damper, and safety accidents caused by breakage of the anti-falling net and the sliding plate are avoided.

Description

Tower machine cat ladder protector

Technical Field

The utility model relates to the technical field of tower cranes, in particular to a protection device for a crawling ladder of a tower crane.

Background

The tower crane, for short, is a rotary crane with a movable arm arranged at the upper part of a towering tower body, is the most common hoisting equipment on a construction site, has higher height, is an overhead operation for operating and maintaining personnel to go up and down the tower crane, has uncertain factors such as stepping, grabbing and sliding and the like, and has higher risk coefficient. The existing tower crane lacks the safety facility for preventing the tower crane operation maintainer from falling, and the lower freehand of factor of safety goes up and down the tower crane easily leads to the tower crane operation maintainer unexpected to fall, especially under the great potential safety hazards such as wet and slippery landing in rainy days, icing landing in winter, etc., will cause serious consequences that can not be assumed

Through retrieval, chinese patent discloses a tower crane ladder stand guard (grant bulletin number CN 214733998U) comprising a tower and a climbing ladder vertically installed in the height direction of the tower; the periphery of the climbing ladder is provided with a guard ring; the adjacent guard rings are connected through a plurality of longitudinal rods; a guide sliding rail is vertically fixed in the center of the front side of the climbing ladder; a guide sliding block is slidably arranged in the guide sliding rail; a hook is fixedly arranged on the guide sliding block; the hook is in locking connection with the safety braces through a safety rope; the center of the guide sliding block is provided with a threaded hole in a penetrating manner along the length direction of the guide sliding block; the side surface of the guide sliding rail is provided with a plurality of pairs of bolt holes which are used for matching with the threaded holes at intervals along the height direction of the guide sliding rail; install the locking bolt in the bolt hole, but this patent technology is in actual application process, and the device is protected through the purse seine, because the purse seine only plays the effect of accepting singly, and buffer performance is lower, consequently when the staff takes place to fall, the purse seine can receive great weight impact, can lead to the broken phenomenon of purse seine to lose the guard action, endanger personnel's life safety.

Disclosure of utility model

In view of the foregoing problems in the prior art, a main object of the present utility model is to provide a protection device for a climbing ladder of a tower crane.

The technical scheme of the utility model is as follows: the utility model provides a tower machine cat ladder protector, includes the cat ladder, the outside equidistance of cat ladder is provided with the protective housing, the equal sliding connection in inside of protective housing has the slide, the inside of slide all is provided with prevents weighing down the net, the inside of protective housing all is provided with buffer gear, buffer gear includes fixed plate, slide bar and slider, the equal fixedly connected with fixed plate in bottom of slide, the equal fixedly connected with slide bar in both sides of protective housing inner wall, the equal sliding connection in the outside of slide bar has the slider.

As a preferred embodiment, buffer gear includes connecting rod, spring, attenuator and spacing ball, the outside of slider all with the inner wall sliding connection of protective housing, the outside of slider all rotates and is connected with the connecting rod, the fixed plate is kept away from the one end rotation of slider with the connecting rod and is connected, the outside of slide bar just is located one side of slider and all overlaps there is the spring, all be provided with the attenuator between the inner wall of fixed plate and protective housing, the equal fixedly connected with spacing ball of one end of slide bar.

As a preferred implementation mode, the limit groove is formed in the protective box and located below the sliding block, limit columns are slidably connected in the limit groove, and the limit columns are fixedly connected with the corresponding sliding blocks.

As a preferred implementation mode, four corners of the inner wall of the protective box are fixedly connected with limiting blocks above the sliding plate, and through grooves are formed in the anti-falling net and on one side of the climbing ladder.

As a preferable implementation mode, two supporting plates are fixedly connected between the two protecting boxes, and a fixing rod is fixedly arranged on the outer side of the climbing ladder.

As a preferred implementation mode, the outside of dead lever is provided with the lobster and detains, the outside fixedly connected with tether of lobster knot, both ends and the equal fixedly connected with handle that is located between two protective boxes in the climbing ladder outside.

Compared with the prior art, the utility model has the advantages and positive effects that,

According to the utility model, when a worker loses hands or falls due to foot loss, the worker falls onto the anti-falling net in the sliding plate, the sliding plate can move downwards due to huge gravity and simultaneously drives the fixed plate to move, so that the connecting rods at two sides of the fixed plate are driven to rotate, the corresponding sliding block is pushed to slide in the protective box, a certain buffer is realized through the spring, and meanwhile, an important buffer effect is realized on the sliding plate through the damper, so that the anti-falling net and the sliding plate are prevented from being broken to cause a safety accident.

Drawings

FIG. 1 is a perspective view of a tower crane ladder stand guard according to the present utility model;

FIG. 2 is a front cross-sectional view of a tower crane ladder stand guard according to the present utility model;

FIG. 3 is a top view of a protective housing of a tower crane ladder stand protective device according to the present utility model;

Fig. 4 is an enlarged view of a portion a of fig. 2 of the tower crane ladder stand guard provided by the present utility model.

Legend description: 1. climbing ladder; 2. a handle; 3. lobster button; 4. a tether; 5. a protective box; 6. a limiting block; 7. a support plate; 8. a slide plate; 9. a connecting rod; 10. a fixing plate; 11. a slide block; 12. a slide bar; 13. a limit ball; 14. a spring; 15. a limit groove; 16. a limit column; 17. an anti-falling net; 18. penetrating a groove; 19. a fixed rod; 20. a damper.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of 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, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. 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 utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The utility model will be further described with reference to the drawings and the specific embodiments

Example 1

As shown in fig. 1, 2, 3 and 4, the present utility model provides a technical solution: including climbing ladder 1, the outside equidistance of climbing ladder 1 is provided with protective housing 5, and the equal sliding connection in inside of protective housing 5 has slide 8, and the inside of slide 8 all is provided with prevents weighing down net 17, and the inside of protective housing 5 all is provided with buffer gear, and buffer gear includes fixed plate 10, slide bar 12 and slider 11, and the equal fixedly connected with fixed plate 10 in the bottom of slide 8, the equal fixedly connected with slide bar 12 in both sides of protective housing 5 inner wall, the equal sliding connection in the outside of slide bar 12 has slider 11.

In this embodiment, when the phenomenon that the staff loses hands or loses feet and falls down occurs, the staff can fall onto the anti-falling net 17 in the sliding plate 8, and the sliding plate 8 can move downwards due to huge gravity, meanwhile, the fixing plate 10 is driven to move, the connecting rods 9 on two sides of the fixing plate are further driven to rotate, the corresponding sliding blocks 11 are pushed to slide in the protective box 5, a certain buffering is achieved through the springs 14, meanwhile, an important buffering effect is achieved on the sliding plate 8 through the damper 20, and safety accidents caused by breakage of the anti-falling net 17 and the sliding plate 8 are avoided.

Example 2

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the buffer mechanism comprises a connecting rod 9, a spring 14, a damper 20 and a limiting ball 13, wherein the outer side of a sliding block 11 is in sliding connection with the inner wall of a protective box 5, the outer side of the sliding block 11 is rotationally connected with the connecting rod 9, a fixed plate 10 is rotationally connected with one end of the connecting rod 9 far away from the sliding block 11, the outer side of a sliding rod 12 is sleeved with the spring 14, the damper 20 is arranged between the fixed plate 10 and the inner wall of the protective box 5, and one end of the sliding rod 12 is fixedly connected with the limiting ball 13; the inside of the protective box 5 and the lower part of the sliding block 11 are provided with limiting grooves 15, the inside of each limiting groove 15 is slidably connected with a limiting column 16, and each limiting column 16 is fixedly connected with the corresponding sliding block 11; four corners of the inner wall of the protective box 5 are fixedly connected with limiting blocks 6 which are positioned above the sliding plate 8, and a through groove 18 is formed in the anti-falling net 17 and positioned on one side of the climbing ladder 1; two supporting plates 7 are fixedly connected between the two protective boxes 5, and a fixing rod 19 is fixedly arranged on the outer side of the climbing ladder 1; the outside of dead lever 19 is provided with lobster knot 3, and the outside fixedly connected with tether 4 of lobster knot 3, the both ends in the outside of climbing ladder 1 just are located two protection boxes 5 and all fixedly connected with handle 2 between.

In this embodiment, through being provided with spacing ball 13, can avoid slider 11 roll-off, through the cooperation use between spacing post 16 and the spacing groove 15, can play important spacing effect to slider 11, through being provided with stopper 6, can avoid slide 8 to drop from the protective housing 5, through being provided with lobster buckle 3 and tether 4, can protect the staff, through being provided with the handle, can save handle 2 and rest when the staff is crawling.

Working principle:

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, firstly, when a worker loses hands or falls due to the loss of feet, the worker falls onto the sliding plate 8 and the falling preventing net 17, and the sliding plate 8 moves downwards due to huge gravity, meanwhile, the fixing plate 10 is driven to move, the connecting rods 9 on two sides of the fixing plate are driven to rotate, the corresponding sliding blocks 11 are pushed to slide in the protective box 5, a certain buffer is achieved through the springs 14, meanwhile, an important buffer effect is achieved on the sliding plate 8 through the damper 20, the falling preventing net 17 and the sliding plate 8 are prevented from breaking to generate safety accidents, and workers crawling on the climbing ladder 1 can be continuously protected through the lobster buckles 3 and the tethers 4.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model 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 scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (6)

1. The utility model provides a tower machine cat ladder protector, includes cat ladder (1), its characterized in that: the outside equidistance of climbing ladder (1) is provided with protective housing (5), the equal sliding connection in inside of protective housing (5) has slide (8), the inside of slide (8) all is provided with prevents weighing down net (17), the inside of protective housing (5) all is provided with buffer gear, buffer gear includes fixed plate (10), slide bar (12) and slider (11), the equal fixedly connected with fixed plate (10) in bottom of slide (8), the equal fixedly connected with slide bar (12) in both sides of protective housing (5) inner wall, the equal sliding connection in outside of slide bar (12) has slider (11).

2. The tower crane ladder stand guard of claim 1, wherein: the buffer mechanism comprises a connecting rod (9), a spring (14), a damper (20) and a limiting ball (13), wherein the outer side of a sliding block (11) is in sliding connection with the inner wall of a protective box (5), the outer side of the sliding block (11) is rotationally connected with the connecting rod (9), a fixing plate (10) is rotationally connected with the connecting rod (9) away from one end of the sliding block (11), the outer side of a sliding rod (12) is sleeved with the spring (14) and one side of the sliding block (11), the damper (20) is arranged between the fixing plate (10) and the inner wall of the protective box (5), and one end of the sliding rod (12) is fixedly connected with the limiting ball (13).

3. The tower crane ladder stand guard of claim 1, wherein: limiting grooves (15) are formed in the protective box (5) and located below the sliding blocks (11), limiting columns (16) are connected to the limiting grooves (15) in a sliding mode, and the limiting columns (16) are fixedly connected with the corresponding sliding blocks (11).

4. The tower crane ladder stand guard of claim 1, wherein: four corners of the inner wall of the protective box (5) are fixedly connected with limiting blocks (6) which are positioned above the sliding plate (8), and a through groove (18) is formed in the anti-falling net (17) and positioned on one side of the climbing ladder (1).

5. The tower crane ladder stand guard of claim 1, wherein: two support plates (7) are fixedly connected between the two protection boxes (5), and a fixing rod (19) is fixedly arranged on the outer side of the climbing ladder (1).

6. The tower crane ladder stand guard of claim 5, wherein: the utility model discloses a climbing ladder, including fixed lever (19), lobster are detained (3) in the outside of fixed lever (19), the outside fixedly connected with tether (4) of lobster knot (3), both ends in the outside of climbing ladder (1) just are located all fixedly connected with handle (2) between two protective housing (5).