CN206407796U - A kind of mine hoist - Google Patents

Abstract

The utility model discloses a mine hoist, which comprises a lifting box 1, a lifting winch, a lifting winch 2 and a lifting box 2. The lower end of the lifting box 1 is connected with the lower end of the lifting box 2 through a lower balance rope. The top of the box one and the top of the lifting box two are equipped with a rope winding device, and a driven wheel is installed on the rope winding device, and two connecting rings are respectively arranged on both sides of the driven wheel, and the connecting rings are respectively connected to the the two ends of the upper balance rope, and the upper balance rope straddles and winds on the balance main shaft device. Combined with the traditional mine hoist, two lifting winches and steel wire rope winding driven wheels are used as the lifting power mechanism, which not only distinguishes the power sources at both ends of the balance rope, but also reduces the tension on the steel wire rope during lifting, improving the safety factor. And balance the weight of lifting box and balance rope and increase the contact circle of balance rope and balance main shaft device by guide wheel.

Description

mine hoist

technical field

The utility model relates to the technical field of mine hoist equipment, in particular to a mine hoist.

Background technique

Coal mines are areas where human beings exploit coal resources in coal-rich mining areas, and are generally divided into underground coal mines and open-pit coal mines. When the coal seam is far away from the surface, it is generally chosen to excavate the roadway underground to mine coal. This is an underground coal mine, and the mine hoist occupies an important position in the underground coal mining equipment. The mining of underground minerals, with the passage of time and industrial development The demand for raw materials is constantly increasing, and the mining depth is also increasing. The difficulty of mine hoisting is also increasing. Most of the traditional mine hoists use a single wire rope as a direct weighing lift. The steel wire is stressed and prone to accidents. The lifting box or balance weight on the side is also prone to collision when swinging, and the balance rope strands on the upper side are less prone to accidents.

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and propose a mine hoist.

In order to achieve the above object, the utility model adopts the following technical scheme: a mine hoist, including a lifting box 1, a lifting winch 1, a lifting winch 2 and a lifting box 2, the lower end of the lifting box 1 passes through the lower balance rope and the lifting box. The lower end of the box two is connected, the top of the lifting box one and the top of the lifting box two are equipped with a rope winding device, and a driven wheel is installed on the rope winding device, and two connecting wheels are respectively arranged on both sides of the driven wheel. The connecting rings are respectively connected to the two ends of the upper balance rope, and the upper balance rope is straddled and wound on the balance main shaft device. The upper part of the first steel wire rope and the upper part of the second steel wire rope are respectively straddled and wound on the guide wheel and the sky wheel, one end of the steel wire rope one is fixed on the rope head fixing device under the guide wheel, and one end of the steel wire rope two is fixed below the balance spindle device On the rope end fixing device, the left side of the lifting box one and the right side of the lifting box two are connected with the slide rail through the slide rail connecting device.

As a further description of the above technical solution:

Braking devices are all installed on the first lifting winch, the second lifting winch and the balance main shaft device.

As a further description of the above technical solution:

The end of the steel wire rope one close to the rope end fixing device and the end of the steel wire rope two close to the rope end fixing device are all straddled on the driven wheel.

As a further description of the above technical solution:

The contact circle between the balance main shaft device and the upper balance rope is changed by the guide wheel, and the contact circle between the balance main shaft device and the upper balance rope is greater than one-half of the circle.

As a further description of the above technical solution:

The slide rail connecting device is composed of a slide block, a hinge and a self-locking hook, and the slide block is connected with the self-locking hook through a hinge.

In the utility model, combined with the traditional mine hoist, firstly, two lifting winches and steel wire rope winding driven wheels are used as the lifting power mechanism, which not only distinguishes the power sources at both ends of the balance rope, but also reduces the pulling force on the steel wire rope during lifting, improving safety. coefficient, secondly, the balance main shaft device is used to bear and balance the weight of the lifting box and the balance rope, and the contact circle between the balance rope and the balance main shaft device is increased through the guide wheel, which not only reduces the load bearing of the lifting wire rope but also increases the braking performance, reducing the accident rate , the effective load of the lifting winch is improved, and finally, the safety factor is further improved by cooperating with the slide rail. The mine hoist has a reasonable structure, a large carrying capacity, and a high safety factor, and is worthy of popularization and use.

Description of drawings

Fig. 1 is a schematic diagram of a plane structure of a mine hoist proposed by the utility model;

Fig. 2 is a front structural schematic diagram of a rope winding device of a mine hoist proposed by the utility model;

Fig. 3 is a side view structural schematic diagram of a rope winding device of a mine hoist proposed by the utility model;

Fig. 4 is a schematic plan view of the guide wheel of a mine hoist proposed by the utility model;

Fig. 5 is a schematic plan view of a slide rail connecting device of a mine hoist proposed by the utility model.

illustration:

1- Lifting box 1, 2- Rope winding device, 3- Lifting winch 1, 4- Lifting winch 2, 5- Steel wire rope 1, 6- Steel wire rope 2, 7- Guide wheel, 8- Upper balance rope, 9- Sky wheel, 10-balance main shaft device, 11-rope head fixing device, 12-lift box two, 13-slide rail connection device, 14-slide rail, 15-lower balance rope, 16-driven wheel, 17-connecting ring, 18-slider block, 19-hinge, 20-self-locking hook.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

With reference to Fig. 1-5, a kind of mine hoist comprises lifting box one 1, lifting winch one 3, lifting winch two 4 and lifting box two 12, and the lower end of lifting box one 1 passes through lower balance rope 15 and lifting box two 12 The lower end is connected, and the top of the lifting box one 1 and the top of the lifting box two 12 are equipped with a rope winding device 2, and a driven wheel 16 is installed on the rope winding device 2, and two connecting rings 17 are respectively arranged on both sides of the driven wheel 16, The connecting rings 17 are respectively connected to the two ends of the upper balance rope 8, and the upper balance rope 8 straddles and winds on the balance main shaft device 10. The lifting winch 1 3 and the lifting winch 2 4 are respectively equipped with steel wire rope 1 5 and steel wire rope 2 6, steel wire rope 1 5 The upper part of the steel wire rope 2 and the upper part of the steel wire rope 6 are respectively straddled on the guide wheel 7 and the sky wheel 9, and one end of the steel wire rope 1 5 is fixed on the rope end fixing device 11 below the guide wheel 7, and one end of the steel wire rope 2 6 is fixed on the balance main shaft On the rope end fixing device 11 below the device 10, the left side of the lifting box one 1 and the right side of the lifting box two 12 are all connected with the slide rail 14 by the slide rail connecting device 13.

Lifting winch one 3, lifting winch two 4 and balance main shaft device 10 are all equipped with braking device, and multi-point braking is safer and more reliable.

Wire rope one 5 near one end of rope head fixing device 11 and wire rope two 6 near the end of rope head fixing device 11 all straddle around on the driven wheel 16, reduce the tensile force that wire rope is subjected to when lifting, improve safety factor.

The contact circle between the balance main shaft device 10 and the upper balance rope 8 is changed by the guide wheel 7, the contact circle between the balance main shaft device 10 and the upper balance rope 8 is greater than 1/2 of the circle, increasing the contact circle between the balance rope and the balance main shaft device, increasing the braking.

The slide rail connection device 13 is composed of a slide block 18, a hinge 19 and a self-locking hook 20. The slide block 18 is connected with the self-lock hook 20 through the hinge 19, used in conjunction with the slide rail 14, and meets the structural requirements.

Working principle: when the utility model is in use, the overall weight of lifting box 1, upper balancing rope 8, lifting box 2 12 and lower balancing rope 15 is borne by the balance main shaft device 10, and lifting winch 1 3 and lifting winch 2 4 are passed through electric Control synchronous operation, when lifting winch 1 3 pulls or lowers wire rope 1 5, while lifting winch 2 4 lowers or pulls, at this time lifting winch 1 3 and lifting winch 2 4 do effective load operation, steel wire rope 1 5 and steel wire rope 2 6 The driven pulley 16 effectively reduces the pulling force received during operation to ensure safe use.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (5)

1. A mine hoist, comprising lifting box one (1), lifting winch one (3), lifting winch two (4) and lifting box two (12), it is characterized in that, described lifting box one (1) The lower end is connected with the lower end of the lifting box two (12) by the lower balance rope (15), and the top of the lifting box one (1) and the top of the lifting box two (12) are equipped with a rope winding device (2). A driven wheel (16) is installed on the rope winding device (2), and two connecting rings (17) are respectively arranged on both sides of the driven wheel (16), and the connecting rings (17) are respectively connected to the upper balance rope ( 8), the upper balance rope (8) straddles the balance spindle device (10), and the lifting winch one (3) and lifting winch two (4) are respectively equipped with steel wire rope one (5) and steel wire rope Two (6), the upper part of the steel wire rope one (5) and the upper part of the steel wire rope two (6) are straddled on the guide wheel (7) and the sky wheel (9) respectively, and one end of the steel wire rope one (5) is fixed on On the rope end fixing device (11) below the guide wheel (7), one end of the steel wire rope two (6) is all fixed on the rope end fixing device (11) below the balance main shaft device (10), and the lifting box one The left side of (1) and the right side of lifting box two (12) are all connected with slide rail (14) by slide rail connecting device (13). 2 . A mine hoist according to claim 1 , characterized in that, the first lifting winch ( 3 ), the second lifting winch ( 4 ) and the balance main shaft device ( 10 ) are equipped with braking devices. 3 . 3. A kind of mine hoist according to claim 1, characterized in that, one end of the steel wire rope (5) close to the rope head fixing device (11) and the steel wire rope two (6) are close to the rope head fixing device (11) One end all straddles on the driven wheel (16). 4. A mine hoist according to claim 1, characterized in that, the contact circle between the balance main shaft device (10) and the upper balance rope (8) is changed by guide wheels (7), and the balance main shaft device (10) with the contact circle of upper balance rope (8) greater than 1/2 circle. 5. A mine hoist according to claim 1, characterized in that, the slide rail connecting device (13) is composed of a slider (18), a hinge (19) and a self-locking hook (20), the The slide block (18) is connected with the self-locking hook (20) through a hinge (19).