CN220787883U - Protection device with stop gear for tower crane - Google Patents

Abstract

The utility model relates to a protection device for a tower crane with a limiting mechanism, which comprises a fixed box, wherein a locking mechanism is arranged in the fixed box and comprises a fixed rod, a sliding block, a sleeve and an air cylinder, the fixed rod is fixedly connected in the fixed box, the sliding block is respectively and slidably connected at two ends of the outer side of the fixed rod, the outer side of the sliding block is respectively and slidably connected with the inner wall of the fixed box, the sleeve is respectively and fixedly connected at the top of the sliding block, and the air cylinder is respectively and fixedly arranged at two sides of the fixed box. The locking mechanism has the beneficial effects that the locking mechanism is arranged, so that when a worker loses feet or loses hands, the piston rod of the air cylinder can pull the corresponding sliding block to slide on the fixed rod, and the sleeve drives the traction rope to move towards the two sides of the inner wall of the fixed box, so that important locking operation can be performed on the traction rope, and safety accidents caused by collision between inertia and the tower crane when the worker falls are avoided.

Description

Protection device with stop gear for tower crane

Technical Field

The utility model relates to the technical field of tower crane safety protection devices, in particular to a tower crane protection device with a limiting mechanism.

Background

The tower crane (tower crane) is widely applied to various building engineering at present, the staff of the existing tower crane is arranged up and down through a climbing ladder arranged in the tower crane, and the protection measure is to hang on a body by adopting a traction rope, so that the tower crane is unsafe, the traction rope is pulled, and the safety accident is caused by the fact that the staff falls off or collides with the tower crane due to inertia in the process of loading and unloading the tower crane.

Through searching, chinese patent discloses a protection device for tower crane with stop gear (grant bulletin number CN 215326627U), this patent includes protection device, it comprises dead lever, fixing device, electromagnetic generator, gear and hole, there is not fixing device department on the dead lever and is the stiff end, be connected with climbing ladder, the contact surface with the dead lever on the fixing device is equipped with the gear, be equipped with on the dead lever with gear matched with hole, the gear is connected with the motor, but, this patent technology is in actual application process, when the in-process of upper and lower tower crane appears that the staff loses hand and does not hold climbing ladder, need press the switch, just can make electromagnetic generator work, but when the staff loses hand or loses foot and falls down, be sudden, the staff receives frightening and can not in time press the switch, and then the protection function to the staff in the device will be ineffectively, the practicality of equipment has greatly been reduced, be unfavorable for actual application and operation.

Disclosure of Invention

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 tower crane with a limiting mechanism.

The technical scheme of the utility model is as follows: the utility model provides a protection device for tower machine with stop gear, includes the fixed box, the inside of fixed box is provided with locking mechanism, locking mechanism includes dead lever, slider, sleeve and cylinder, the inside fixedly connected with dead lever of fixed box, the equal sliding connection in both ends in the dead lever outside has the slider, the outside of slider all with the inner wall sliding connection of fixed box, the equal fixedly connected with sleeve in top of slider, the equal fixed mounting in both sides of fixed box has the cylinder, the piston rod of cylinder all extends to the inside of fixed box and with corresponding sleeve fixed connection.

As a preferred implementation mode, the inside of fixed case is provided with the haulage rope, the haulage rope all runs through telescopic inside, the inner wall fixed mounting of fixed case has first fixed column, the outside fixed mounting of first fixed column has pressure sensor.

As a preferred implementation mode, the fixed slot has all been seted up to the inner wall of fixed box and the outside that is located first fixed column, the inside of fixed slot all sliding connection has the slide, all fixedly connected with spring between the inner wall of fixed slot and the slide.

As a preferred embodiment, the inner wall of the fixing box is fixedly connected with a second fixing column below the sleeve.

As a preferred embodiment, a controller is fixedly installed at the outer side of the fixed box.

As a preferable implementation mode, a through groove is formed in the fixing box and located on one side of the fixing rod, and an arc surface matched with the traction rope is arranged on the outer side of the sliding plate.

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

according to the utility model, the locking mechanism is arranged, so that when a worker loses feet or loses hands, the corresponding sliding blocks can be pulled to slide on the fixed rods through the piston rods of the air cylinders, and the sleeve drives the traction rope to move towards the two sides of the inner wall of the fixed box, so that important locking operation can be performed on the traction rope, and safety accidents caused by collision between inertia and the tower crane when the worker falls are avoided.

Drawings

FIG. 1 is a perspective view of a tower crane shield apparatus with a spacing mechanism according to the present utility model;

FIG. 2 is a front cross-sectional view of a tower crane shield apparatus with a spacing mechanism according to the present utility model;

FIG. 3 is a schematic view of the structure of a fixing rod, a sleeve and a slider of a protection device for a tower crane with a limiting mechanism;

fig. 4 is an enlarged view of a portion a of fig. 2 of the tower crane shield apparatus with a stop mechanism according to the present utility model.

Legend description: 1. a fixed box; 2. a first fixing column; 3. a pressure sensor; 4. a controller; 5. a second fixing column; 6. a fixed rod; 7. a cylinder; 8. a sleeve; 9. a through groove; 10. a traction rope; 11. a fixing groove; 12. a spring; 13. a slide plate; 14. a sliding block.

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 fixed box 1, the inside of fixed box 1 is provided with locking mechanism, locking mechanism includes dead lever 6, slider 14, sleeve 8 and cylinder 7, the inside fixedly connected with dead lever 6 of fixed box 1, the equal sliding connection in both ends in the dead lever 6 outside has slider 14, the outside of slider 14 all with the inner wall sliding connection of fixed box 1, the equal fixedly connected with sleeve 8 in top of slider 14, the equal fixed mounting in both sides of fixed box 1 has cylinder 7, the piston rod of cylinder 7 all extends to the inside of fixed box 1 and with the sleeve 8 fixed connection that corresponds.

In this embodiment, through being provided with locking mechanism, can take place under the condition of losing one's feet or losing one's hands at the staff, can stimulate corresponding slider 14 through the piston rod of cylinder 7 and slide on dead lever 6, and then make sleeve 8 drive haulage rope 10 and remove to the inner wall both sides of fixed box 1 to can play important locking operation to haulage rope 10, avoid the staff to take place to drop because of inertia and tower machine collision and cause the incident.

Example 2

As shown in fig. 1, 2, 3 and 4, a traction rope 10 is arranged in the fixed box 1, the traction rope 10 penetrates through the sleeve 8, a first fixed column 2 is fixedly arranged on the inner wall of the fixed box 1, and a pressure sensor 3 is fixedly arranged on the outer side of the first fixed column 2; the inner wall of the fixed box 1 and the outer side of the first fixed column 2 are provided with fixed grooves 11, the inside of each fixed groove 11 is connected with a sliding plate 13 in a sliding manner, and springs 12 are fixedly connected between the inner wall of each fixed groove 11 and each sliding plate 13; the inner wall of the fixed box 1 and the lower part of the sleeve 8 are fixedly connected with a second fixed column 5; the outer side of the fixed box 1 is fixedly provided with a controller 4; the inside of the fixed box 1 and one side of the fixed rod 6 are provided with a through groove 9, and the outer side of the sliding plate 13 is provided with an arc surface matched with the traction rope 10.

In this embodiment, through the cooperation between spring 12 and slide 13, can be applicable to the use of haulage rope 10 in daily climbing, can avoid daily climbing to cause the trigger to pressure sensor 3, through being provided with pressure sensor 3, when the staff takes place to lose the foot or lose the hand, haulage rope 10 can last inconsistent with the outside of first fixed column 2, and then make pressure sensor 3 sense and tighten pressure, and then can give controller 4 with pressure information, and work through the cylinder 7 of controller 4 control both sides, avoid manual press switch's inaccuracy, through being provided with logical groove 9, can pull out the haulage rope 10 outside and use.

Working principle:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, firstly, one side of the fixed box 1 far away from the through groove 9 is connected with a sliding rod on a climbing ladder, and then the traction rope 10 in the fixed box 1 is connected with a worker, when the worker is out of feet or loses hands, the traction rope 10 can be influenced by the gravity of the human body, the traction rope 10 can be in conflict with the outer side of the first fixed column 2, and then the pressure sensor 3 senses tightening pressure, and then the pressure information can be transferred to the controller 4, and the air cylinders 7 on two sides are controlled by the controller 4 to work, so that safety accidents caused by collision between inertia and a tower crane when the worker falls are avoided, and the traction rope 10 can be suitable for being used in daily climbing through cooperation between the spring 12 and the sliding plate 13, and false triggering of the pressure sensor 3 caused by daily climbing can be avoided.

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 protection device for tower machine with stop gear, includes fixed case (1), its characterized in that: the inside of fixed case (1) is provided with locking mechanism, locking mechanism includes dead lever (6), slider (14), sleeve (8) and cylinder (7), the inside fixedly connected with dead lever (6) of fixed case (1), the equal sliding connection in both ends in dead lever (6) outside has slider (14), the outside of slider (14) all with the inner wall sliding connection of fixed case (1), the equal fixedly connected with sleeve (8) in top of slider (14), the equal fixed mounting in both sides of fixed case (1) has cylinder (7), the piston rod of cylinder (7) all extends to the inside of fixed case (1) and with sleeve (8) fixed connection that corresponds.

2. The protective device for a tower crane with a limiting mechanism according to claim 1, wherein: the inside of fixed case (1) is provided with haulage rope (10), haulage rope (10) all runs through the inside of sleeve (8), the inner wall fixed mounting of fixed case (1) has first fixed column (2), the outside fixed mounting of first fixed column (2) has pressure sensor (3).

3. The protective device for a tower crane with a limiting mechanism according to claim 1, wherein: the inner wall of fixed case (1) and be located the outside of first fixed column (2) and all offered fixed slot (11), the inside of fixed slot (11) is all sliding connection with slide (13), all fixedly connected with spring (12) between the inner wall of fixed slot (11) and slide (13).

4. The protective device for a tower crane with a limiting mechanism according to claim 1, wherein: the inner wall of the fixed box (1) and the lower part of the sleeve (8) are fixedly connected with second fixed columns (5).

5. The protective device for a tower crane with a limiting mechanism according to claim 1, wherein: the outer side of the fixed box (1) is fixedly provided with a controller (4).

6. A tower crane protector with a limiting mechanism according to claim 3, wherein: the inside of fixed case (1) and lie in one side of dead lever (6) and seted up logical groove (9), the outside of slide (13) is provided with haulage rope (10) matched with cambered surface.