CN219297031U

CN219297031U - Tower crane safety load device

Info

Publication number: CN219297031U
Application number: CN202320596880.8U
Authority: CN
Inventors: 王丰; 韩俊虎; 王善科; 刘文华
Original assignee: Shandong Zhongjian Material Equipment Co ltd
Current assignee: Shandong Zhongjian Material Equipment Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-07-04
Anticipated expiration: 2033-03-21

Abstract

The utility model discloses a safe loading device of a tower crane, which comprises a base, wherein the upper end surface of the base is fixed with standard joints, traction plates are fixed on the front, rear, left and right sides of the base, and traction mechanisms are fixed on the upper end surfaces of the four traction plates; the base and the traction plate are fixed on the ground, the four cables are connected with the climbing sleeve frame of the tower crane, the four cables extend along with the lifting of the tower crane, when the tower crane performs lifting operation, the four electromagnets are powered off, and the eight clamping pins are respectively clamped into the winding wheels at the corresponding sides under the action of the elasticity of the springs at the corresponding sides, so that the winding wheels cannot rotate, the cables are tightened, and the tower body is pulled, so that the stability of the tower body is ensured.

Description

Tower crane safety load device

Technical Field

The utility model relates to the technical field of tower cranes, in particular to a safe loading device of a tower crane.

Background

The building engineering refers to the collective name of various buildings and engineering facilities which provide material technology foundation for human life and production, and raw materials for construction such as steel bars, wood ridges, concrete, steel pipes and the like for tower crane construction are required to be used in building construction; the traditional tower crane is mainly fixed on the ground by means of a tower crane foundation, after the tower crane is lifted, the gravity center is unstable in windy weather due to the lifting of the gravity center, and the swing is easy to occur, if the swing amplitude is too large, the tower body is possibly broken to topple over, so that a great threat is generated to the safety of a tower crane driver and operators on the ground.

Disclosure of Invention

The utility model aims to provide a tower crane safety loading device which is used for overcoming the defects in the prior art.

The utility model relates to a safe loading device of a tower crane, which comprises a base, wherein a standard knot is fixed on the upper end face of the base, traction plates are fixed on the front side, the rear side, the left side and the right side of the base, and traction mechanisms are fixed on the upper end faces of the four traction plates;

the traction mechanism comprises a traction seat, a winding wheel is arranged in the traction seat, a cable is fixed on the periphery of the winding wheel, a rotating shaft is fixed in the winding wheel, a magnetic sliding block is arranged on the lower side of the winding wheel, an electromagnet is arranged on the lower side of the magnetic sliding block, two symmetrically arranged springs are fixed between the magnetic sliding block and the electromagnet, two symmetrically arranged clamping pins are arranged on the upper end face of the magnetic sliding block, and the stability of the tower body can be improved when the cable pulls the tower body.

The first reinforcing ribs are fixed between the front side, the rear side, the left side and the right side of the standard knot and the upper end face of the traction plate on the corresponding side respectively.

The traction seat comprises a standard joint, wherein the standard joint is provided with a traction plate, and the traction plate is provided with a traction seat.

The four traction seats are internally provided with winding wheel cavities with upward openings, the four winding wheel cavities are internally and externally provided with openings, the four winding wheels are respectively positioned in the winding wheel cavities at the corresponding sides, and the four rotating shaft ends are respectively in running fit with the traction seats at the corresponding sides.

The four magnetic sliders are respectively in sliding fit with the slider cavities at the corresponding sides.

Advantageously, the upper portions of the eight pins extend respectively up into the reel cavities of the corresponding sides.

Advantageously, four of said electromagnets are respectively fixed to the bottom walls of said slider cavities on the respective sides.

The four winding wheels are internally provided with uniformly distributed limiting openings, and the upper ends of the eight clamping pins can be clamped into the corresponding limiting openings.

The beneficial effects of the utility model are as follows: the base and the traction plate are fixed on the ground, the four cables are connected with the climbing sleeve frame of the tower crane, the four cables extend along with the lifting of the tower crane, when the tower crane performs lifting operation, the four electromagnets are powered off, and the eight clamping pins are respectively clamped into the winding wheels at the corresponding sides under the action of the elasticity of the springs at the corresponding sides, so that the winding wheels cannot rotate, the cables are tightened, and the tower body is pulled, so that the stability of the tower body is ensured.

Drawings

FIG. 1 is a schematic view of the appearance of the present utility model;

FIG. 2 is a front view of FIG. 1 of the present utility model;

FIG. 3 is a top view of FIG. 1 of the present utility model;

FIG. 4 is a schematic illustration of A-A of FIG. 3 in accordance with the present utility model;

FIG. 5 is a schematic illustration of B-B of FIG. 4 in accordance with the present utility model;

FIG. 6 is an enlarged partial schematic view of the magnetic slider assembly of FIG. 4 in accordance with the present utility model

Fig. 7 is an enlarged partial schematic view of the fifth wheel assembly of fig. 1 in accordance with the present utility model.

In the figure:

10. a base; 11. a rotating shaft; 12. a standard section; 13. a cable; 14. a traction seat; 15. a second reinforcing rib; 16. a first reinforcing rib; 17. a traction plate; 18. a winding wheel; 19. a magnetic slider; 20. a bayonet lock; 21. an electromagnet; 22. a slider cavity; 23. a spring; 24. a winding wheel cavity; 25. and a limit opening.

Detailed Description

In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in fig. 1, are merely for convenience in describing the present utility model, 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.

For the purposes and advantages of the present utility model to become more apparent, the following detailed description of the utility model will be taken in conjunction with the accompanying examples, with the understanding that the following text is intended to describe only one or several embodiments of the utility model and is not intended to limit the scope of the utility model as claimed in detail, as the terms upper, lower and left and right are not limited to their strict geometric definitions, but rather include tolerances for machining or human error, and the specific features of such a tower crane safety load device are set forth in detail below:

referring to fig. 1-7, a tower crane safety load device according to an embodiment of the utility model comprises a base 10, wherein a standard joint 12 is fixed on the upper end surface of the base 10, traction plates 17 are fixed on four sides of the base 10, namely, the front side, the rear side, the left side and the right side, and traction mechanisms are fixed on the upper end surfaces of the four traction plates 17;

the traction mechanism comprises a traction seat 14, a winding wheel 18 is arranged in the traction seat 14, a rotating shaft 11 is fixed in the winding wheel 18, a magnetic sliding block 19 is arranged on the lower side of the winding wheel 18, an electromagnet 21 is arranged on the lower side of the magnetic sliding block 19, two symmetrically arranged springs 23 are fixed between the magnetic sliding block 19 and the electromagnet 21, and two symmetrically arranged bayonet locks 20 are arranged on the upper end face of the magnetic sliding block 19.

The first reinforcing ribs 16 are fixed between the front, back, left and right sides of the standard knot 12 and the upper end surfaces of the traction plates 17 at the corresponding sides respectively, and the first reinforcing ribs 16 are used for enhancing the connection strength between the standard knot 12 and the traction plates 17.

Second reinforcing ribs 15 are fixed between the end faces of one side of the four traction seats 14, which are close to the standard joint 12, and the upper end faces of the traction plates 17 at the corresponding sides, and the second reinforcing ribs 15 are used for enhancing the connection strength between the traction seats 14 and the traction plates 17.

The four traction seats 14 are internally provided with winding wheel cavities 24 with upward openings, both ends of the inner side and the outer side of the four winding wheel cavities 24 are respectively provided with openings, the four winding wheels 18 are respectively positioned in the winding wheel cavities 24 on the corresponding sides, both ends of the four rotating shafts 11 are respectively in running fit with the traction seats 14 on the corresponding sides, and certain friction force exists between the rotating shafts 11 and the traction seats 14, so that the cable 13 is kept in a tight state in the traction process.

The four traction seats 14 are respectively provided with a sliding block cavity 22, the four sliding block cavities 22 are respectively positioned at the lower sides of the winding wheel cavities 24 at the corresponding sides, and the four magnetic sliding blocks 19 are respectively in sliding fit with the sliding block cavities 22 at the corresponding sides.

The upper portions of the eight detents 20 extend upwardly into the corresponding side take-up reel cavities 24, respectively.

Four electromagnets 21 are respectively fixed on the bottom walls of the slider cavities 22 on the corresponding sides.

The four winding wheels 18 are provided with uniformly distributed limiting openings 25, and the upper ends of the eight clamping pins 20 can be clamped into the limiting openings 25 on the corresponding sides.

Embodiment one:

the tower crane is fixed on the standard section 12, and four cables 13 are fixedly connected with a climbing sleeve frame on the tower crane.

At first, the four electromagnets 21 are in a power-off state, and then the eight clamping pins 20 are clamped into the limiting positions 25 on the corresponding side under the action of the elastic force of the springs 23 on the corresponding side, so that the four winding wheels 18 cannot rotate, and the four cables 13 are respectively wound on the winding wheels 18 on the corresponding side.

Embodiment two:

during the lifting of the tower crane, the climbing sleeve frame moves upwards.

At this time, the electromagnet 21 is electrified to attract the magnetic sliding block 19 on the corresponding side to move downwards, so as to drive the bayonet lock 20 on the corresponding side to move downwards to be separated from the winding wheel 18 on the corresponding side, and thus the winding wheel 18 can rotate freely.

Along with the rising of the climbing frame, the four cables 13 stretch along with the rising until the climbing frame stops climbing, the four electromagnets 21 are simultaneously powered off, and the four clamping pins 20 are clamped into the limiting openings 25 on the corresponding sides again, so that the four cables 13 are ensured to be in a tight state, and the stability of the tower crane is improved.

It will be apparent to those skilled in the art that various modifications to the above embodiments may be made without departing from the general spirit and concepts of the utility model. Which fall within the scope of the present utility model. The protection scheme of the utility model is subject to the appended claims.

Claims

1. The utility model provides a tower crane safety load device, includes base (10), its characterized in that: the upper end face of the base (10) is fixed with a standard joint (12), traction plates (17) are fixed on the front, back, left and right sides of the base (10), and traction mechanisms are fixed on the upper end faces of the four traction plates (17);

the traction mechanism comprises a traction seat (14), a winding wheel (18) is arranged in the traction seat (14), a rotating shaft (11) is fixed in the winding wheel (18), a magnetic sliding block (19) is arranged on the lower side of the winding wheel (18), an electromagnet (21) is arranged on the lower side of the magnetic sliding block (19), two symmetrically-arranged springs (23) are fixed between the magnetic sliding block (19) and the electromagnet (21), and two symmetrically-arranged clamping pins (20) are arranged on the upper end face of the magnetic sliding block (19).

2. The tower crane safety load device according to claim 1, wherein: first reinforcing ribs (16) are fixed between the front, rear, left and right sides of the standard knot (12) and the upper end surfaces of the traction plates (17) at the corresponding sides respectively.

3. The tower crane safety load device according to claim 1, wherein: and second reinforcing ribs (15) are fixed between the end surfaces of one side of the four traction seats (14) close to the standard joint (12) and the upper end surfaces of the traction plates (17) at the corresponding sides respectively.

4. The tower crane safety load device according to claim 1, wherein: four the interior reel chamber (24) that all is provided with the opening upwards of traction seat (14), four the interior and exterior both ends of reel chamber (24) all open arrangement, four reel (18) are located respectively corresponding side in reel chamber (24), four pivot (11) both ends respectively with traction seat (14) normal running fit of corresponding side.

5. The tower crane safety load device according to claim 4, wherein: and the four traction seats (14) are internally provided with slide block cavities (22), the four slide block cavities (22) are respectively positioned at the lower sides of the winding wheel cavities (24) at the corresponding sides, and the four magnetic slide blocks (19) are respectively in sliding fit with the slide block cavities (22) at the corresponding sides.

6. The tower crane safety load device according to claim 5, wherein: the upper parts of the eight bayonet locks (20) respectively extend upwards into the winding wheel cavities (24) on the corresponding sides.

7. The tower crane safety load carrying apparatus as claimed in claim 6, wherein: the four electromagnets (21) are respectively fixed on the bottom wall of the sliding block cavity (22) at the corresponding side.

8. The tower crane safety load carrying apparatus as claimed in claim 6, wherein: four the winding wheel (18) are provided with uniformly distributed limiting openings (25), and the upper ends of eight bayonet locks (20) can be clamped into the corresponding limiting openings (25).