CN211110785U

CN211110785U - Winding drum and hoisting equipment

Info

Publication number: CN211110785U
Application number: CN201921417627.1U
Authority: CN
Inventors: 严兵; 王子贤; 夏冰
Original assignee: Shanghai Zhenghua Heavy Industries Co Ltd
Current assignee: Shanghai Zhenghua Heavy Industries Co Ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-07-28
Anticipated expiration: 2029-08-28

Abstract

The utility model provides a reel and hoisting equipment, include: a barrel; the rope winding device comprises a winding drum skin, a rope winding device and a rope winding device, wherein the winding drum skin is arranged on the periphery of the winding drum body, a plurality of parallel rope grooves matched with the outer diameter of a rope are formed in the winding drum skin, and the rope grooves are spirally arranged along the circumferential direction of the winding drum body; the two baffles are arranged at the two ends of the barrel respectively and are arranged along the circumferential direction of the end part of the barrel, and an obtuse angle is formed between one side surface of the barrel and the outer peripheral surface of the barrel. According to the utility model discloses the phenomenon of indiscriminate rope can be avoided to the reel, has reduced the rope to the friction of barrel, the friction of rope and rope, has improved the life of rope.

Description

Winding drum and hoisting equipment

Technical Field

The utility model relates to a rope technical field for the hoist, in particular to reel and hoisting equipment.

Background

The steel wire rope is a universal lifting rope for various cranes, has good structural stability, rotation resistance, extrusion resistance, fatigue resistance and multilayer winding performance, but also has the use defects of heavy weight, poor flexibility, easy abrasion, easy corrosion and easy rope disorder in multilayer winding.

High strength polyethylene fibers are ideal materials for making ropes, especially marine ropes: the specific gravity is low and is only 0.97g/cm3, and the rope made of the rope can float on water; the strength of the rope is high, and the breaking length of the rope manufactured by the rope under the dead weight is 8 times that of a steel rope and 2 times that of aramid fiber; the light resistance is good, the light-resistant coating can be subjected to sunlight irradiation for a long time, and the strength retention rate can still reach more than 80% after the light-resistant coating is irradiated by sunlight for 1500 hours; the chemical stability is good, the water resistance and various chemical solvents are achieved, the corrosion and the hydrolysis of the steel cable can be avoided in seawater, the corrosion of the steel cable can be avoided in seawater, and the strength of the nylon and polyester cables can be reduced and broken due to the corrosion and the hydrolysis in seawater.

However, since the fiber rope has a smaller lateral compression rigidity than the steel wire rope, relative movement between the groove of the drum and the rope occurs due to tension when the fiber rope is wound on the drum, rope disorder easily occurs, and the sliding of the rope overlapping the rope increases the frictional wear of the fiber rope, which reduces the service life of the fiber rope.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a reel for solve the rope and convolute and move easily on the reel, take place indiscriminate rope, and take place frictional wear easily, reduce rope life's problem.

The utility model also provides a hoisting equipment of having above-mentioned reel.

In order to solve the technical problem, the utility model provides a winding drum.

According to the utility model discloses reel of first aspect embodiment includes:

a barrel;

the rope winding device comprises a winding drum skin, a rope winding device and a rope winding device, wherein the winding drum skin is arranged on the periphery of the winding drum body, a plurality of parallel rope grooves matched with the outer diameter of a rope are formed in the winding drum skin, and the rope grooves are spirally arranged along the circumferential direction of the winding drum body;

the two baffles are arranged at the two ends of the barrel respectively and are arranged along the circumferential direction of the end part of the barrel, and an obtuse angle is formed between one side surface of the barrel and the outer peripheral surface of the barrel.

Preferably, the reel skin is provided with a first step for compacting the cord in a transverse direction on a side thereof adjacent to the baffle.

Preferably, a second step for compacting the cord in a transverse direction is provided on the reel skin on a side of the baffle disposed opposite to the first step.

Preferably, the rope groove comprises a linear groove and a broken line groove, the central line of the linear groove is perpendicular to the axis of the barrel, and an included angle is formed between the central line of the broken line groove and the central line of the linear groove.

Preferably, on the circumference of the cross section of the reel skin, the central angle corresponding to the folding line groove is 90 degrees°And the central angle corresponding to the arc line of the linear groove is 270 degrees.

Preferably, the rope grooves are distributed at equal pitches along the axial direction of the cylinder body.

Preferably, the length of the pitch is 1.02 to 1.05 times of the diameter of the rope.

Preferably, the baffle is detachably connected with the cylinder.

Preferably, the baffle is provided with a reinforcing rib.

According to the utility model discloses hoisting equipment of second aspect embodiment, including the reel of any preceding embodiment.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

1) according to the winding drum provided by the embodiment of the utility model, the baffle plates are arranged at the two axial ends of the winding drum through the arrangement of the drum body, so that the overlapping arrangement of ropes is facilitated, and the rope disorder phenomenon is avoided;

2) the surface at the reel is equipped with the reel skin, is equipped with the grooving of spiral setting on the reel skin, fixed rope that can be better has reduced the friction of rope to the barrel, the friction of rope and rope, has improved the life of rope.

Drawings

Fig. 1 is a schematic structural view of the drum after the rope is wound.

Fig. 2 is a schematic cross-sectional view of the drum skin unwinding and rope.

Fig. 3 is a schematic view of a-a division in fig. 2.

Fig. 4 is a schematic view of the division b-b in fig. 2.

Fig. 5 is a schematic circumferential view of the broken line groove of the present invention occupying the whole rope groove.

Reference numerals

A cylinder 10;

a roll cover 20; a rope groove 21; a linear groove 211; a folding groove 212; a first step 22; a second step 23;

a baffle 30;

a cord 40.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

The following specifically describes a winding drum according to an embodiment of the present invention with reference to the drawings.

As shown in fig. 1 to 5, the roll according to the embodiment of the present invention includes a roll body 10, a roll sheet 20, and two baffles 30.

Specifically, the drum skin 20 is disposed at the periphery of the drum body 10, and the drum skin 20 is provided with a plurality of parallel rope grooves 21 matched with the outer diameter of the rope 40, the rope grooves 21 are spirally disposed along the circumferential direction of the drum body 10, two baffles 30 are respectively disposed at two ends of the drum body 10 and circumferentially disposed along the end portion of the drum body 10, and one side of the baffle 30 facing the drum body 10 forms an obtuse angle with the outer circumferential surface of the drum body 10.

That is, as shown in fig. 1 and fig. 2, a drum skin 20 is arranged on the circumference of the outer surface of the drum, a rope groove 21 is arranged on the drum skin 20, the rope groove 21 is spirally arranged on the periphery of the drum skin, that is, the rope groove 21 is spirally arranged around the periphery of the drum, when a rope 40 needs to be wound, the rope 40 can be placed in the rope groove 21 and wound around the periphery of the drum along with the rope groove 21, the rope 40 can be fixed through the spirally arranged rope groove 21, the friction of the rope 40 to the drum 10 and the friction of the rope to the rope are reduced, and the service life of the rope 40 is prolonged. Meanwhile, the two ends of the barrel 10 are respectively provided with the baffle 30, one side of the baffle 30 contacting with the rope 40 is an inclined plane, an obtuse angle is formed between the inclined plane and the axis of the winding drum, after the rope 40 is wound for one circle, when the rope 40 needs to be overlapped and wound, the baffle 30 can fix the rope 40 in a groove limited by the baffle 30 and the winding drum skin 20, the inclined plane can be wound in a staggered mode between the ropes 40 when the ropes are overlapped and wound, namely, the rope 40 on the second layer can be fixed between the two ropes 40 on the first layer, so that the fixation of the rope 40 can be improved, each layer of rope 40 is fixed by itself, the arrangement after the ropes 40 are overlapped is firmer, and the phenomenon of messy ropes is avoided.

Further, the inner contour of the rope groove 21 fits the outer contour of the rope 40, facilitating the fixation of the rope 40.

Therefore, according to the utility model discloses the reel can avoid the phenomenon of indiscriminate rope, has reduced the friction of rope 40 to barrel 10, the friction of rope and rope, has improved the life of rope 40.

As a preferred embodiment of the present invention, a first step 22 for compacting the rope 40 in the transverse direction is provided on one side of the drum skin 20 near the baffle 30, and a second step 23 for compacting the rope 40 in the transverse direction is provided on one side of the baffle 30 opposite to the first step 22 on the drum skin 20.

That is, as shown in fig. 1 to 4, a rope inlet is provided at one position of one of the baffles 30, meanwhile, a first step 22 is arranged on the inner side of the baffle 30, the rope 40 enters the rope groove 21 through the rope inlet, when the rope is wound on the baffle 30 at the other side, the rope 40 can be pressed in the transverse direction through the first step 22, so that the rope 40 is prevented from being wound loosely, the fixity of the rope 40 is improved, the second step 23 is arranged on the inner side of the other baffle 30, when the rope 40 is wound on the first layer, the rope can smoothly reach the second layer by the extension and contraction of the second step 23, so that the rope 40 can climb up conveniently, at the same time, the second step 23, which allows compacting of the rope 40 in the transverse direction, cooperates with the first step 22, the rope 40 is compacted on the inner side of the baffle 30, so that the rope 40 is tightly compacted on the surface of the winding drum, the abrasion of the rope 40 is further reduced, and the service life of the rope 40 is prolonged.

According to an embodiment of the present invention, the rope groove 21 includes a straight line groove 211 and a folding line groove 212, the central line of the straight line groove 211 is perpendicular to the axis of the barrel 10, and the central line of the folding line groove 212 forms an included angle with the central line of the straight line groove 211.

In other words, the rope groove 21 is divided into two sections, one section is a linear groove 211, the other end is a broken line groove 212, the spiral arrangement of the rope groove 21 can be realized through the broken line groove 212, when the rope 40 is wound, one section of the linear groove 211 enters the broken line groove 212 after the winding is finished, and after the rope 40 is wound through the broken line groove 212, the rope 40 in the two sections of the rope grooves 21 are mutually restricted and strengthened and fixed due to the sudden change of the winding direction, which is more beneficial to the fixation of the rope 40.

Preferably, as shown in fig. 1, 2 and 5, the central angle of the arc of the polygonal groove 212 on the circumference of the cross section of the bobbin skin 20 is 90 degrees°The central angle of the straight groove 211 is 270 °.

That is, the length of the polygonal groove 212 is one fourth of the length of the entire rope groove 21, the linear groove 211 is more varied and twisted, the polygonal groove 212 is convenient for fixing, and the structure is more convenient for the winding of the rope 40 and the fixing of the rope 40.

According to an embodiment of the present invention, the rope grooves 21 are distributed along the axial direction of the cylinder 10 at equal pitches, preferably, the length of the pitch is 1.02 to 1.05 times the diameter of the rope 40. The structure not only better fixes the rope 40 in the rope groove 21, but also facilitates the rope 40 to be uniformly wound in the axial direction of the barrel 10, so that the rope 40 is more firmly wound.

According to another embodiment of the present invention, the baffle 30 is detachably connected to the barrel 10. The baffle 30 can be changed as required to the detachable mounting means, improves the travelling comfort of using, of course, in other embodiments of the utility model, baffle 30 and barrel 10 integrated into one piece also can be adopted, and here is not as the restriction.

Preferably, the baffle 30 is provided with a reinforcing rib, and the fixing property and firmness of the cylinder 10 can be improved by providing the reinforcing rib on the cylinder 10, so that the stability of the winding rope 40 is improved.

In a word, according to the utility model discloses the reel, simple structure, the phenomenon of indiscriminate rope can be avoided in the manufacturing of being convenient for, has reduced rope 40 to the friction of barrel 10, the friction of rope and rope, has improved rope 40's life.

According to the utility model discloses hoisting equipment includes the reel according to above-mentioned embodiment, because according to the utility model discloses the reel of above-mentioned embodiment has above-mentioned technological effect, consequently, according to the utility model discloses hoisting equipment also has corresponding technological effect, can be in order to avoid the phenomenon of indiscriminate rope, has reduced rope 40 to the friction of barrel 10, the friction of rope and rope, has improved rope 40's life.

Other structures and operations of the lifting apparatus according to embodiments of the present invention are understood and easily implemented by those skilled in the art, and thus will not be described in detail.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A spool, comprising:

a barrel;

2. The spool according to claim 1, characterized in that the spool skin is provided with a first step on the side close to the baffle for compacting the rope in the transverse direction.

3. The spool according to claim 2, characterized in that the side of the baffle on the spool skin located opposite the first step is provided with a second step for compacting the rope in the transverse direction.

4. The spool as claimed in claim 1, characterized in that the rope grooves comprise a straight line groove and a broken line groove, the central line of the straight line groove is perpendicular to the axis of the spool body, and the central line of the broken line groove forms an included angle with the central line of the straight line groove.

5. The roll as claimed in claim 4, characterized in that, on the circumference of the transversal surface of the roll skin, the central angle of the arc of the folding groove corresponds to 90 ° and the central angle of the straight groove corresponds to 270 °.

6. Reel according to claim 1, characterized in that the grooves are equally spaced in the axial direction of the drum.

7. The spool according to claim 6, characterized in that the length of the pitch is 1.02-1.05 times the rope diameter.

8. The spool as claimed in claim 1, characterized in that the baffle is detachably connected to the spool body.

9. The spool as claimed in claim 1, characterized in that the baffle is provided with stiffening ribs.

10. Hoisting device, characterized in that it comprises a reel as claimed in any one of claims 1 to 9.