CN219297031U - A kind of tower crane safety loading device - Google Patents

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

A kind of tower crane safety loading device

technical field

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

Background technique

Construction engineering refers to the general designation of various buildings and engineering facilities that provide material and technical foundations for human life and production. During construction, it is necessary to use steel bars, wooden corrugated, concrete, steel pipes and other construction materials for tower crane construction; traditional The tower crane is mainly fixed on the ground by the tower crane foundation. After the tower crane is raised, due to the rise of its center of gravity, it is easy to cause the center of gravity to be unstable in windy weather, and it is easy to shake. If the shake is too large, it may cause the tower body to break and fall. , thus posing a greater threat to the safety of the tower crane driver and the operators on the ground.

Utility model content

The purpose of this utility model is to provide a tower crane safety loading device for overcoming the above-mentioned defects in the prior art.

A tower crane safety load-carrying device according to the utility model comprises a base, a standard joint is fixed on the upper end surface of the base, traction plates are fixed on the front, rear, left, and right sides of the base, and the end surfaces of the four traction plates are all fixed. Has a traction mechanism;

Wherein, the traction mechanism includes a traction seat, a winding wheel is arranged inside the traction seat, a cable is fixed on the outer circumference of the winding wheel, a rotating shaft is fixed inside the winding wheel, and the lower side of the winding wheel is arranged There is a magnetic slider, an electromagnet is arranged on the lower side of the magnetic slider, two symmetrically arranged springs are fixed between the magnetic slider and the electromagnet, and two symmetrical springs are arranged on the upper end surface of the magnetic slider. The provided bayonet pin is beneficial to the tower body being pulled by the cable and can improve the stability of the tower body.

Beneficially, first reinforcing ribs are fixed between the front, rear, left, and right four sides of the standard section and the upper surface of the traction plate on the corresponding side.

Beneficially, second reinforcing ribs are fixed between the end faces of the four fifth wheel seats near the standard joint and the upper faces of the lead plate on the corresponding side.

Beneficially, the four traction seats are provided with winding wheel cavities with upward openings, both ends of the inner and outer sides of the four winding wheel cavities are open, and the four winding wheels are respectively located on the corresponding sides. In the rewinding wheel cavity, the two ends of the four rotating shafts are respectively rotatably matched with the traction seats on the corresponding sides.

Beneficially, slider cavities are provided in the four traction seats, and the four slider cavities are respectively located on the lower side of the winding wheel cavity on the corresponding side, and the four magnetic sliders are respectively connected to the corresponding side. The slider cavity is a sliding fit.

Beneficially, the upper parts of the eight bayonet pins respectively extend upwards into the winding wheel cavity on the corresponding side.

Advantageously, the four electromagnets are respectively fixed on the bottom wall of the slider cavity on the corresponding side.

Beneficially, evenly distributed limiting openings are provided in the four winding wheels, and the upper ends of the eight bayonet pins can be snapped into the corresponding limiting openings.

The beneficial effects of the utility model are: the base and the traction plate of the utility model are fixed on the ground, and the four cables are connected with the climbing sleeve of the tower crane. As the tower crane rises, the four cables extend accordingly. , the four electromagnets are all powered off, and the eight bayonet pins are respectively snapped into the rewinding wheel on the corresponding side under the elastic force of the spring on the corresponding side, so that the rewinding wheel cannot rotate, and the cable is tightened. The tower body is pulled to ensure the stability of the tower body.

Description of drawings

Fig. 1 is the appearance schematic diagram of the utility model;

Fig. 2 is the front view of Fig. 1 of the utility model;

Fig. 3 is the plan view of Fig. 1 of the utility model;

Fig. 4 is the schematic diagram of A-A in Fig. 3 of the utility model;

Fig. 5 is the schematic diagram of B-B in Fig. 4 of the utility model;

Fig. 6 is a partially enlarged schematic diagram of the magnetic slider part in Fig. 4 of the present utility model

Fig. 7 is a partially enlarged schematic diagram of the fifth wheel component in Fig. 1 of the present invention.

In the picture:

10. Base; 11. Rotating shaft; 12. Standard section; 13. Cable; 14. Traction seat; 15. Second rib; 16. First rib; 17. Traction plate; 18. Rewinding wheel; 19. Magnetic Slider; 20, bayonet pin; 21, electromagnet; 22, slider cavity; 23, spring; 24, rewinding wheel cavity; 25, limit port.

Detailed ways

In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indications of the orientation or positional relationship are based on the orientation or positional relationship shown in Figure 1, which is only for the convenience of describing the simplified description of the present utility model, rather than indicating or implying Any device or element must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the invention.

In order to make the purpose and advantages of the present utility model clearer, the utility model will be described in detail below in conjunction with the examples. The scope of protection specifically claimed by the utility model is strictly defined. As used herein, the terms up and down and side to side are not limited to their strict geometric definitions, but rather include reasonable and inconsistent tolerances for machining or human error, as detailed below The specific characteristics of this kind of tower crane safety load-bearing device:

Referring to Fig. 1-Fig. 7, a kind of tower crane safety load-carrying device according to the embodiment of the present utility model, comprises base 10, and standard joint 12 is fixed on the upper end surface of base 10, and traction plate 17 is all fixed on four sides of base 10 front, rear, left and right , the upper end surfaces of the four traction plates 17 are fixed with traction mechanisms;

Wherein, the traction mechanism includes 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 slider 19 is arranged on the lower side of the winding wheel 18, and a magnetic slider 19 is arranged on the lower side of the magnetic slider 19. There is an electromagnet 21, two symmetrically arranged springs 23 are fixed between the magnetic slider 19 and the electromagnet 21, and two symmetrically arranged detents 20 are arranged on the upper surface of the magnetic slider 19.

First ribs 16 are fixed between the front, back, left, and right sides of the standard section 12 and the upper end surface of the traction plate 17 on the corresponding side, and the first ribs 16 are used to enhance the connection strength between the standard section 12 and the traction plate 17 .

There are second reinforcing ribs 15 fixed between the end faces of the four traction seats 14 near the standard section 12 and the upper end faces of the traction plates 17 on the corresponding side. connection strength.

Each of the four traction seats 14 is provided with a rewinding wheel chamber 24 with an upward opening, and the inner and outer ends of the four rewinding wheel chambers 24 are all opened, and the four rewinding wheels 18 are respectively located in the rewinding wheel chambers 24 on the corresponding sides. , the two ends of the four rotating shafts 11 respectively rotate and cooperate with the traction seat 14 on the corresponding side, and there is a certain friction force between the rotating shafts 11 and the traction seat 14, so that the cable 13 remains in a tight state during the pulling process.

Each of the four traction seats 14 is provided with a slider chamber 22, and the four slider chambers 22 are respectively located on the lower side of the winding wheel chamber 24 on the corresponding side, and the four magnetic sliders 19 are respectively slidably matched with the slider chamber 22 on the corresponding side. .

The upper parts of the eight bayonet pins 20 respectively extend upwards into the winding wheel cavities 24 on the corresponding sides.

The four electromagnets 21 are respectively fixed on the bottom wall of the slider cavity 22 on the corresponding side.

Each of the four winding wheels 18 is provided with evenly distributed limiting openings 25 , and the upper ends of the eight bayonet pins 20 can be snapped into the corresponding side limiting openings 25 .

Embodiment one:

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

Initially, the four electromagnets 21 are in the power-off state, and then the eight bayonet pins 20 are snapped into the limit positions 25 on the corresponding side under the elastic force of the spring 23 on the corresponding side, so that the four winding wheels 18 cannot rotate. Each cable 13 is wound on the take-up wheel 18 of the corresponding side respectively.

Embodiment two:

During the lifting of the tower crane, the climbing sleeve moves upwards.

At this time, the electromagnet 21 is energized to attract the magnetic slider 19 on the corresponding side to move downward, thereby driving the bayonet pin 20 on the corresponding side to move downward to disengage from the winding wheel 18 on the corresponding side, so that the winding wheel 18 can rotate freely .

As the climbing sleeve rises, the four cables 13 are extended thereupon until the climbing sleeve stops climbing, then the four electromagnets 21 are powered off at the same time, and the four bayonet pins 20 are re-engaged into the limit openings 25 on the corresponding side Inside, thereby ensuring that the four cables 13 are in a tight state, thereby improving the stability of the tower crane.

Those skilled in the art can clearly understand that various modifications to the above embodiments can be made without departing from the general spirit and concept of the present utility model. They all fall within the protection scope of the present utility model. The protection scheme of the utility model is subject to the appended claims of the utility model.

Claims (8)

1. A tower crane safety load-bearing device, comprising a base (10), is characterized in that: the upper end surface of the base (10) is fixed with a standard section (12), and the front, rear, left, and right sides of the base (10) are all fixed with traction plate (17), the upper end surfaces of the four traction plates (17) are fixed with traction mechanisms; Wherein, the traction mechanism includes a traction seat (14), a winding wheel (18) is arranged inside the traction seat (14), a rotating shaft (11) is fixed inside the winding wheel (18), and the winding The underside of the wheel (18) is provided with a magnetic slider (19), and the underside of the magnetic slider (19) is provided with an electromagnet (21). Two symmetrically arranged springs (23) are fixed between them, and two symmetrically arranged detents (20) are arranged on the upper end surface of the magnetic slider (19). 2. A tower crane safety load-carrying device according to claim 1, characterized in that: the front, rear, left, and right sides of the standard joint (12) are respectively fixed to the upper end surface of the traction plate (17) on the corresponding side There is a first reinforcing rib (16). 3. A kind of tower crane safety load-bearing device according to claim 1, characterized in that: the end faces of the side of the four fifth wheel seats (14) close to the standard joint (12) are respectively connected with the corresponding side of the drag plate ( 17) A second reinforcing rib (15) is fixed between the upper end faces. 4. A tower crane safety load-carrying device according to claim 1, characterized in that: four traction seats (14) are provided with winding wheel chambers (24) with upward openings, and the four winding wheels Both ends of the inner and outer sides of the wheel cavity (24) are open, and the four winding wheels (18) are respectively located in the corresponding side of the winding wheel cavity (24), and the two ends of the four rotating shafts (11) are respectively Rotately cooperate with the said traction seat (14) on the corresponding side. 5. A tower crane safety load-carrying device according to claim 4, characterized in that: four said traction seats (14) are provided with slider cavities (22), and four said slider cavities (22) The four magnetic sliders (19) are respectively located on the lower side of the winding wheel cavity (24) on the corresponding side, and the four magnetic sliders (19) are respectively slidingly matched with the slider cavity (22) on the corresponding side. 6. A tower crane safety loading device according to claim 5, characterized in that: the upper parts of the eight bayonet pins (20) respectively extend upwards into the winding wheel cavity (24) on the corresponding side. 7. A tower crane safety loading device according to claim 6, characterized in that the four electromagnets (21) are respectively fixed on the bottom wall of the slider cavity (22) on the corresponding side. 8. A tower crane safety load-carrying device according to claim 6, characterized in that: four of the winding wheels (18) are provided with evenly distributed limiting openings (25), and the eight bayonet pins (20) The upper end can be snapped into the limit opening (25) on the corresponding side.

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