CN113307150B

CN113307150B - Crane lifting device and steel wire rope winding method thereof

Info

Publication number: CN113307150B
Application number: CN202110785392.7A
Authority: CN
Inventors: 姬彪; 高明利; 黄晓琳; 崔红哲; 丰树礼
Original assignee: Henan Mine Crane Co Ltd
Current assignee: Henan Mine Crane Co Ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2023-02-07
Anticipated expiration: 2041-07-12
Also published as: CN113307150A

Abstract

The invention relates to the field of cranes, in particular to a crane lifting device and a steel wire rope winding method thereof, which comprise a trolley frame, a winding drum and a lifting hook, wherein a steel wire rope is wound on the winding drum; the hoisting hook group is used for solving the problem that the existing hoisting hook group is easy to wind a steel wire rope when hoisting goods.

Description

Crane lifting device and steel wire rope winding method thereof

Technical Field

The invention relates to the field of cranes, in particular to a crane lifting device and a steel wire rope winding method thereof.

Background

The lifting hook is one of more common hoist fittings, and at the promotion in-process, thereby the hoist of hoist passes through wire rope and connects the lifting hook to promote the goods, and wire rope's one end is on the reel of hoist, and the hoist is connected to the other end, and high lift hoist appears the lifting hook group autogyration often, causes wire rope to turn round together, causes the collision of heavy object, also can cause wire rope life to reduce to cause very big potential safety hazard.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a crane lifting device and a steel wire rope winding method thereof, which are used for solving the problems that the steel wire rope is easy to wind when the existing hook group lifts cargoes, so that the collision of heavy objects is caused, and the service life of the steel wire rope is shortened.

The technical scheme of the invention is realized as follows: the utility model provides a hoist hoisting device, includes trolley frame, reel and lifting hook, the winding has wire rope on the reel, the lifting hook install on the couple frame, the top fixedly connected with mount of couple frame installs a plurality of groups balance pulley device on the mount, balance pulley device's top is provided with the compensating beam, the compensating beam is installed on the trolley frame, the wedge cover is installed to the symmetry on the compensating beam, the bilateral symmetry that just is located the compensating beam on the trolley frame is provided with the balance shaft, wear to be equipped with balanced balance wheel frame on the balance shaft, the last rotation of balanced balance wheel frame is connected with balanced balance wheel, the winding has wire rope between balanced pulley device and the compensating beam.

Preferably, the fixing frame is of a box structure with an opening formed in the top, and the balance pulley devices are respectively installed on four side plates of the fixing frame.

Preferably, the balance pulley device includes the balance pulley, and the balance pulley passes through the connecting axle and rotates to be connected on the balance pulley yoke, and balance pulley yoke bottom fixedly connected with threaded rod, threaded rod wear to establish on the hinge, and the both ends of hinge are rotated and are connected on the mounting panel that the interval set up, and mounting panel fixed connection is on the curb plate of mount, and the sub-unit connection that just lies in the hinge on the threaded rod has the nut.

Preferably, the bottom of the nut is connected with a limiting ring on the threaded rod, and a limiting pin horizontally penetrates through the limiting ring and the threaded rod.

Preferably, a thrust bearing is installed between the top of the nut and the bottom of the hinge shaft.

Preferably, the balance swinging wheel frame is of a U-shaped structure.

Preferably, the balance pulley frame is of a door-shaped structure.

Preferably, the steel cord comprises a first steel cord and a second steel cord.

The winding method of the steel wire rope of the crane lifting device comprises the steps that the first steel wire rope is wound according to the sequence ABCDEFGH, and the first steel wire rope sequentially passes through the left balance pulley, the left balance wheel, one balance pulley adjacent to the left balance pulley and finally enters the right wedge sleeve, and the tail part of the first steel wire rope is fixed; the other steel wire rope is wound according to the IGKLMNOP sequence, and the second steel wire rope sequentially passes through the right balance pulley, the right balance wheel and the other balance pulley adjacent to the right balance pulley, finally enters the left wedge-shaped sleeve and fixes the tail of the second steel wire rope.

The technical scheme of the invention has the following positive effects: the device is provided with a balance pulley device, the balance pulley device realizes the rotation of the balance pulley through a hinge shaft and a threaded rod, the balance pulley is symmetrically arranged in four directions, and paired couples can be mutually offset and can also be mutually restricted, so that the balance pulley has the anti-rotation capacity; the balance arm can make up errors caused by different lengths or tensions of the steel wire ropes, and the balance wheel and the balance pulley are matched for use, so that the included angle between the steel wire ropes and the pulley is minimized, and the service life of the steel wire ropes is prolonged; according to the winding method of the steel wire rope, the four balance pulleys are stressed outwards in four symmetrical directions on the horizontal plane, so that internal force balance and mutual restriction are achieved, the balance of the steel wire rope is realized, and the steel wire rope is prevented from being wound.

Drawings

FIG. 1 is a schematic view of the present invention.

Fig. 2 is an enlarged schematic view of a structure in fig. 1.

Fig. 3 is a schematic diagram of a structure for winding a steel wire rope.

Detailed Description

As shown in fig. 1, 2 and 3, a crane lifting device comprises a trolley frame 22, a winding drum 19 and a lifting hook 1, wherein a steel wire rope is wound on the winding drum 19, and the crane lifting device is characterized in that: the lifting hook 1 is arranged on a lifting hook frame 2, the top of the lifting hook frame 2 is fixedly connected with a fixing frame 10, a plurality of groups of balance pulley devices are arranged on the fixing frame 10, a balance beam 5 is arranged above the balance pulley devices, the balance beam 5 is arranged on a trolley frame 22, wedge-shaped sleeves 6 are symmetrically arranged on the balance beam 5, balance shafts 9 are symmetrically arranged on the trolley frame 22 and positioned on two sides of the balance beam 5, balance swinging wheel frames 8 penetrate through the balance shafts 9, so that the balance swinging wheel frames 8 can swing left and right by taking the balance shafts 9 as centers, balance swinging wheels 7 are rotatably connected onto the balance swinging wheel frames 8, and steel wire ropes are wound among the balance swinging wheels 7, the balance pulley devices and the balance beam 5; further, the method comprises the following steps of; the reel 19 starts to drive the steel wire rope to lift, so that the lifting hook 1 is driven to lift, goods are hung on the lifting hook 1, so that the goods are driven to lift, and the steel wire rope is matched with the balance wheel 7, the balance pulley device and the balance beam 5 when the steel wire rope lifts, so that the steel wire rope is prevented from being wound in the lifting process.

Preferably, the fixing frame 10 is a box structure with an opening at the top, and the four groups of balancing pulley devices are respectively arranged on four side plates of the fixing frame 10; the stress direction of the balance pulley device on the horizontal plane faces outwards, and the balance pulley device is symmetrical in four directions, so that the internal force of the fixing frame is balanced and restricted, the balance of the steel wire rope is realized, and the steel wire rope is prevented from being wound.

Preferably, the balance pulley device comprises a balance pulley 3, the balance pulley 3 is rotatably connected to a balance pulley frame 4, the bottom of the balance pulley frame 4 is fixedly connected with a threaded rod 13, the threaded rod 13 penetrates through a hinge shaft 12, the balance pulley frame 4 can rotate along with the hinge shaft 12, two ends of the hinge shaft 12 are rotatably connected to mounting plates 18 arranged at intervals, the mounting plates 18 are fixedly connected to side plates of the fixed frame 10, and nuts 14 are connected to the threaded rod 13 and positioned on the lower portion of the hinge shaft 12; further, the threaded rod 13 can rotate in the hinge shaft 12, the hinge shaft 12 can rotate in the mounting plate 18, and therefore the balance pulley 3 can be driven to rotate in the horizontal direction and the vertical direction, the balance pulley 3 can generate symmetrical couples which are dispersed to the periphery, the couple couples can be mutually offset and can also be mutually restricted, and therefore the balance pulley can be made to have anti-rotation capacity.

Preferably, the bottom of the nut 14 and the threaded rod 13 are connected with a limiting ring 15, and a limiting pin 16 horizontally penetrates through the limiting ring 15 and the threaded rod 13; the limit pin 16 fixes the limit ring 15, and the limit ring 15 limits the nut 14 to prevent the nut 14 from falling off.

Preferably, a thrust bearing 17 is installed between the top of the nut 14 and the bottom of the hinge shaft 12, so that when the threaded rod 13 rotates in the hinge shaft 12, the nut 14 synchronously rotates to prevent the nut from falling off.

Preferably, the balance wheel frame 8 is in a U-shaped structure; the balance pulley frame 4 is in a door-shaped structure; the groove of the balance wheel frame 8 is matched with the balance shaft 9, and the bottom of the balance pulley frame 4 is integrally connected with a threaded rod 13.

Preferably, the wire rope comprises a first wire rope 20 and a second wire rope 21, the first wire rope 20 and the second wire rope 21 extend out of the winding drum 19, and the balance wheels 7 and 4 balance pulleys 3 are wound between the balance beam 5 through the first wire rope 20 and the second wire rope 21.

A steel wire rope winding method based on the crane lifting device comprises the following steps: as shown in fig. 2: the balance beam 5 is fixedly connected to a trolley frame 22 of the trolley walking device, a winding drum 19 is further mounted at the top of the trolley frame 22, the steel wire rope is wound on the winding drum 19, the balance shaft 9 is fixed on the trolley frame 22 and located on two sides of the balance beam 5, a first steel wire rope 20 and a second steel wire rope 21 respectively extend out of the winding drum 19, the first steel wire rope 20 is wound according to the sequence ABCDEFGH, the steel wire rope 20 sequentially passes through the left balance pulley 3, the left balance wheel 7 and one balance pulley 3 adjacent to the left balance pulley 3, and finally enters the right wedge-shaped sleeve 6, and the tail of the steel wire rope 20 is fixed; the other wire rope 21 is wound in the order IGKLMNOP, and the wire rope 21 passes through the right balance pulley 3, the right balance wobbler 7, the other balance pulley 3 adjacent to the right balance pulley 3, and finally into the left wedge 6, and the tail of the second wire rope 21 is fixed.

Claims

1. The utility model provides a hoist hoisting device, includes trolley frame (22), reel (19) and lifting hook (1), and the winding has wire rope, its characterized in that on reel (19): the lifting hook (1) is installed on a lifting hook frame (2), the top of the lifting hook frame (2) is fixedly connected with a fixing frame (10), a plurality of groups of balance pulley devices are installed on the fixing frame (10), balance beams (5) are arranged above the balance pulley devices, the balance beams (5) are installed on a trolley frame (22), wedge-shaped sleeves (6) are symmetrically installed on the balance beams (5), balance shafts (9) are symmetrically arranged on the trolley frame (22) and positioned on two sides of each balance beam (5), balance pendulum wheel frames (8) penetrate through the balance shafts (9), balance pendulum wheels (7) are rotatably connected onto the balance pendulum wheel frames (8), and steel wire ropes are wound among the balance pendulum wheels (7), the balance pulley devices and the balance beams (5); the fixing frame (10) is of a box body structure with an opening at the top, and the balance pulley devices are respectively arranged on four side plates of the fixing frame (10); the balance pulley device comprises a balance pulley (3), the balance pulley (3) is rotatably connected to a balance pulley frame (4), the bottom of the balance pulley frame (4) is fixedly connected with a threaded rod (13), the threaded rod (13) is arranged on a hinge shaft (12) in a penetrating mode, two ends of the hinge shaft (12) are rotatably connected to mounting plates (18) arranged at intervals, the mounting plates (18) are fixedly connected to side plates of the fixing frame (10), and nuts (14) are connected to the lower portions, located on the hinge shaft (12), of the threaded rod (13); the steel wire rope comprises a first steel wire rope (20) and a second steel wire rope (21); the steel wire rope I (20) sequentially passes through the left balance pulley (3), the left balance wheel (7) and one balance pulley (3) adjacent to the left balance pulley (3) and finally reaches the right wedge sleeve (6), and the tail part of the steel wire rope I (20) is fixed; and the second steel wire rope (21) sequentially passes through the right balance pulley (3), the right balance wheel (7) and the other balance pulley (3) adjacent to the right balance pulley (3) and finally enters the left wedge-shaped sleeve (6), and the tail part of the second steel wire rope (21) is fixed.

2. The crane lifting apparatus as claimed in claim 1, wherein: the bottom of the nut (14) is connected with a limit ring (15) on the threaded rod (13), and limit pins (16) horizontally penetrate through the limit ring (15) and the threaded rod (13).

3. The crane lifting apparatus of claim 1, wherein: a thrust bearing (17) is arranged between the top of the nut (14) and the bottom of the hinge shaft (12).

4. The crane lifting apparatus as claimed in claim 1, wherein: the balance swing wheel frame (8) is of a U-shaped structure.

5. The crane lifting apparatus of claim 1, wherein: the balance pulley frame (4) is in a door-shaped structure.