CN209957282U

CN209957282U - Winding drum structure

Info

Publication number: CN209957282U
Application number: CN201920647204.2U
Authority: CN
Inventors: 韩红安; 韩俊锋; 吴魁伟; 于海洋; 侯永强; 刘征斌; 郝倩茹; 付建征; 杨欣
Original assignee: Henan Weihua Heavy Machinery Co Ltd
Current assignee: Henan Weihua Heavy Machinery Co Ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-01-17
Anticipated expiration: 2029-05-08

Abstract

The utility model provides a reel structure relating to hoist technical field, characterized by: the winding drum is of a hollow structure, a winding drum shaft I and a winding drum shaft II are respectively arranged at two ends of the winding drum, one end of the winding drum shaft I and one end of the winding drum shaft II are respectively inserted into the winding drum, the end parts of one ends, located in the winding drum, of the winding drum shaft I and the winding drum shaft II are respectively and correspondingly fastened and connected with the inner wall of the winding drum through a spoke plate, end covers capable of enabling the other end of the winding drum shaft I and the other end of the winding drum shaft II to correspondingly extend out are respectively arranged at the end parts of two ends of the winding drum, the two end covers are respectively and correspondingly fastened and connected with the winding drum shaft I and the winding; the extension end of the drum shaft I is in through connection with the support I, and the end part of the extension end of the drum shaft I is correspondingly in transmission connection with the speed reducer; the utility model discloses it is bulky effectively to have solved traditional individual layer wound form reel structure, can't set up the problem in the narrow space.

Description

Winding drum structure

Technical Field

The utility model belongs to the technical field of the hoist technique and specifically relates to a reel structure is related to.

Background

As is known, a crane refers to a multi-action hoisting machine, also called a crown block, a gantry crane, or a crane, which vertically lifts and horizontally carries heavy objects within a certain range; the crane is mainly divided into a bridge crane and a jib crane according to the structural form, the crane mainly comprises a hoisting mechanism, an operating mechanism, a luffing mechanism, a slewing mechanism, a metal structure and the like, the hoisting mechanism is a basic operating mechanism of the crane, mostly consists of a hanging system and a drum structure, also has a function of lifting a heavy object through a hydraulic system, the operating mechanism is used for longitudinally and horizontally transporting the heavy object or adjusting the operating position of the crane and generally consists of a motor, a reducer, a brake and wheels, the luffing mechanism is only arranged on the jib crane, the amplitude is reduced when the jib crane is lifted up, the amplitude is increased when the jib crane is lifted down and is divided into balanced amplitude and unbalanced amplitude, the slewing mechanism is used for enabling the jib to rotate and consists of a driving device and a slewing bearing device, the metal structure is a framework of the crane, and main bearing parts such as the bridge, the jib and the portal can be of a box structure, the structure can also be a web plate structure, and some can use section steel as a supporting beam; wherein the drum structure is hoisting machinery equipment's important core component part, and usually the drum structure mainly comprises reel, reel axle, gear plate catcher, reel hub, bearing body and bearing, and the drum structure divides single layer winding mode and multilayer winding mode again, compares with the single layer winding mode, and multilayer winding mode has many shortcomings, for example: the arrangement is easy to be disordered, the ropes are easy to wear, the light and heavy loads are different in winding tightness, the stress is uneven, the number of layers is more, the moment of the winding drum is larger, the speed is higher, the hoisting capacity is reduced, and the like, but the single-layer winding drum is usually longer in length so as to meet the requirement of the hoisting height, so that a single-layer winding mode cannot be used in some narrow environment spaces under the prior art condition;

chinese patent (publication number: CN 205442475U) discloses a connecting structure for a sleeved drum shaft of a crane; the reel and the reel axle of this patent pass through the flange and correspond and be connected, though can be convenient for earlier stage processing and later maintenance to a certain extent, the length size of the reduction reel still can not be under the requirement of equal height of lifting by crane to this patent, still can not use the individual layer winding mode in narrow space promptly.

Disclosure of Invention

In order to overcome the deficiency in the background art, the utility model discloses a reel structure.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a winding drum structure comprises a winding drum, a speed reducer, a steel wire rope and a lifting hook; the winding drum is of a hollow structure, a winding drum shaft I and a winding drum shaft II are respectively arranged at two ends of the winding drum, one end of the winding drum shaft I and one end of the winding drum shaft II are respectively inserted into the winding drum, the end parts of one ends, located in the winding drum, of the winding drum shaft I and the winding drum shaft II are respectively and correspondingly fastened and connected with the inner wall of the winding drum through a spoke plate, end covers capable of enabling the other end of the winding drum shaft I and the other end of the winding drum shaft II to correspondingly extend out are respectively arranged at the end parts of two ends of the winding drum, the two end covers are respectively and correspondingly fastened and connected with the winding drum shaft I and the winding; the extension end of the drum shaft I is in through connection with the support I, the end part of the extension end of the drum shaft I is correspondingly in transmission connection with the speed reducer, and the extension end of the drum shaft II is correspondingly movably connected with the support II; the outer wall surface of the drum body of the winding drum is provided with spiral grooves for winding a steel wire rope, two rope pressing plates for respectively pressing two rope ends of the steel wire rope are arranged at the position, close to the end part, of one end of the drum body of the winding drum at intervals along the circumference of the winding drum, the rope head a and the rope head b are wound on the drum body layer in the same direction after the steel wire rope is folded in half, the rope head a section of the steel wire rope is always wound tightly on the drum body, the rope head b section of the steel wire rope is always wound tightly on the outer side of the rope head a section, and the number of the rope head a section at the termination position of; the steel wire rope is movably hung on the steel wire rope in the folded position.

Preferably, the end part of the extending end of the winding drum shaft I is provided with a spline for being correspondingly connected with the speed reducer.

Preferably, the diameter of the groove opening of the spiral groove is consistent with the diameter of the steel wire rope correspondingly.

Preferably, the winding drum shaft I and the winding drum shaft II are respectively and correspondingly connected with the support I and the support II through bearings.

Preferably, the end cover plate surface is provided with a plurality of through holes for reducing weight at intervals.

Preferably, the web plate is welded with the winding drum correspondingly.

Preferably, the end cover is welded with the winding drum or is correspondingly and tightly connected with the winding drum through a flange.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses a winding drum structure, simple structure, easy assembly, manufacturing cost is lower, one end of the winding drum shaft is close to the end position and is equipped with two rope pressing plates for respectively pressing two rope ends of the wire rope around the axis interval of the winding drum, rope end a and rope end b wind the winding drum shaft layer in the same direction after the wire rope is folded, and the rope end a section is always clung to the winding drum shaft and is wound, the rope end b section is always clung to the outside of the rope end a section and is wound, the rope end a section of the wire rope winding drum termination position is 1-3 circles more than the rope end b section, the rope end a section and the rope end b section of the wire rope are effectively avoided producing cross interference; the winding drum is wound or released for a circle, the lifting hook correspondingly rises or falls the distance of twice the circumference of the winding drum, the length and the size of the winding drum are effectively reduced under the same lifting height requirement, the end part of the extending end of the winding drum shaft I is provided with a spline used for being correspondingly connected with the speed reducer, the transmission effect can be effectively guaranteed by transmitting torque, the diameter of the groove opening of the spiral groove is consistent with that of the steel wire rope, and effective guidance can be provided for winding of the steel wire rope.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a reel; 2. a drum shaft I; 3. a wire rope; 3-1, a rope end a; 3-2, rope head b; 4. a rope pressing plate; 5. a drum shaft II; 6. a speed reducer; 7. a support I; 8. a hook; 9. a spline; 10. a support II; 11. a web; 12. an end cap; 13. a spiral groove.

Detailed Description

The invention will be explained in more detail by the following examples, which disclose the invention and are intended to protect all technical improvements within the scope of the invention.

With reference to fig. 1, a drum structure comprises a drum 1, a speed reducer 6, a steel wire rope 3 and a lifting hook 8; the winding drum 1 is of a hollow structure, a winding drum shaft I2 and a winding drum shaft II 5 are respectively arranged at two ends of the winding drum 1, one end of the winding drum shaft I2 and one end of the winding drum shaft II 5 are both inserted into the winding drum 1, and the end parts of the winding drum shaft I2 and the winding drum shaft II 5, which are positioned in the winding drum 1, are correspondingly and fixedly connected with the inner wall of the winding drum 1 through a spoke plate 11; the spoke plates 11 are correspondingly welded with the winding drum 1 as required, so that the connection strength between the winding drum shaft I2 and the winding drum shaft II 5 and the winding drum 1 can be effectively ensured; end covers 12 capable of enabling the other end of the drum shaft I2 and the other end of the drum shaft II 5 to correspondingly extend out are arranged at the end parts of the two ends of the drum 1, the two end covers 12 are correspondingly and fixedly connected with the drum shaft I2 and the drum shaft II 5 respectively, and the axes of the drum shaft I2, the drum shaft II 5 and the drum 1 are correspondingly superposed; according to the requirement, the end cover 12 is welded with the winding drum 1 or correspondingly and tightly connected through a flange, and a plurality of through holes for reducing weight are annularly arranged on the surface of the end cover 12 at intervals, so that the weight of the end cover can be effectively reduced;

the extending end of the drum shaft I2 is in through connection with the support I7, and the end part of the extending end of the drum shaft I2 is in corresponding transmission connection with the speed reducer 6; according to the requirement, the end part of the extending end of the drum shaft I2 is provided with a spline 9 which is correspondingly connected with the speed reducer 6, so that torque can be effectively transmitted to ensure the transmission effect; the extending end of the drum shaft II 5 is correspondingly movably connected with the support II 10; according to the requirements, the drum shaft I2 and the drum shaft II 5 are correspondingly connected with the support I7 and the support II 10 through bearings respectively, so that the smoothness of the operation of the drum 1 can be effectively ensured, and the operation load borne by the drum 1 can be effectively reduced; the outer wall surface of the barrel body of the winding barrel 1 is provided with a spiral groove 13 for winding the steel wire rope 3; according to the requirement, the diameter of the notch of the spiral groove 13 is correspondingly consistent with that of the steel wire rope 3, so that effective guidance can be provided for winding the steel wire rope 3; two rope pressing plates 4 for respectively pressing two rope ends of a steel wire rope 3 are arranged at intervals along the circumference of the winding drum 1 at a position close to one end of the drum body of the winding drum 1 at a position close to the end of the winding drum 1, after the steel wire rope 3 is folded in half, a rope head a3-1 and a rope head b3-2 are wound on the drum body of the winding drum 1 in the same direction, a section a3-1 of the rope head a of the steel wire rope 3 is always tightly wound on the drum body of the winding drum 1, a section b3-2 of the rope head b3 is always tightly wound on the outer side of a section a3-1 of the rope head, a section a3-1 of the rope head at the termination position of the winding drum 1 of the steel wire rope 3 is more than a section b3-2 by 1-3 circles, namely, after the steel wire rope 3 is folded in half, the rope head a pressing plate 4 is firstly used for pressing the rope head a3-1 of the rope head a section a 1 tightly wound on the drum 1 of the winding drum 1, then another rope head b3-2 is used, the rope head a3-1 section and the rope head b3-2 section of the steel wire rope 3 are always spaced by 1-3 circles in the winding process, so that the cross interference between the rope head a3-1 section and the rope head b3-2 section of the steel wire rope 3 is effectively avoided; the lifting hook 8 is movably hung at the folding position of the steel wire rope 3 correspondingly.

The reel structure of the utility model is implemented, after the steel wire rope 3 is folded, the rope head a3-1 is firstly pressed through the rope pressing plate 4, the rope head a3-1 section is tightly attached to the reel 1 body to be wound for 1-3 circles, the lifting hook 8 is arranged at the rope head b3-2 end of the steel wire rope 3, then the rope head b3-2 is pressed through the other rope pressing plate 4, the rope head b3-2 section is always tightly attached to the outer side of the rope head a3-1 section to be synchronously wound with the rope head a3-1 section, even if the rope head a3-1 section and the rope head b3-2 section of the steel wire rope 3 are always spaced for 1-3 circles in the winding process; the reel 1 is wound or released for a circle, the lifting hook 8 correspondingly rises or falls the distance of the two times of the circumference of the reel 1, and the length of the reel 1 can be effectively reduced under the requirement of the same lifting height.

The part of the utility model not detailed is prior art.

Claims

1. A spool structure, characterized by: comprises a winding drum (1), a speed reducer (6), a steel wire rope (3) and a lifting hook (8); the winding drum is characterized in that the winding drum (1) is of a hollow structure, a winding drum shaft I (2) and a winding drum shaft II (5) are arranged at two ends of the winding drum (1) respectively, one end of the winding drum shaft I (2) and one end of the winding drum shaft II (5) are inserted into the winding drum (1), one end parts, located in the winding drum (1), of the winding drum shaft I (2) and the winding drum shaft II (5) are correspondingly and fixedly connected with the inner wall of the winding drum (1) through a spoke plate (11), end covers (12) capable of enabling the other end of the winding drum shaft I (2) and the other end of the winding drum shaft II (5) to correspondingly extend out are arranged at two end parts of the winding drum (1), the two end covers (12) are correspondingly and fixedly connected with the winding drum shaft I (2) and the winding drum shaft II (5) respectively, and the axes of the winding drum shaft I (2; the extension end of the drum shaft I (2) is in through connection with the support I (7), the end part of the extension end of the drum shaft I (2) is correspondingly in transmission connection with the speed reducer (6), and the extension end of the drum shaft II (5) is correspondingly movably connected with the support II (10); the outer wall surface of the barrel body of the winding barrel (1) is provided with a spiral groove (13) for winding the steel wire rope (3), one end of the barrel body of the winding barrel (1) close to the end part is provided with two rope pressing plates (4) at intervals along the circumference of the winding barrel (1) for respectively pressing the two rope ends of the steel wire rope (3), the rope head a (3-1) and the rope head b (3-2) are wound on the drum body of the drum (1) in the same direction by one layer after the steel wire rope (3) is folded in half, the rope head a (3-1) section of the steel wire rope (3) is always tightly attached to the barrel body of the winding barrel (1) to be wound, the rope head b (3-2) section of the steel wire rope (3) is always tightly attached to the outer side of the rope head a (3-1) section to be wound, and the number of the rope head a (3-1) section wound at the termination position of the winding barrel (1) of the steel wire rope (3) is 1-3 circles more than that of the rope head b (3-2) section; a lifting hook (8) is movably hung at the folding position of the steel wire rope (3) correspondingly.

2. The spool structure of claim 1, wherein: and a spline (9) used for being correspondingly connected with the speed reducer (6) is arranged at the end part of the extending end of the drum shaft I (2).

3. The spool structure of claim 1, wherein: the diameter of the opening of the spiral groove (13) is correspondingly consistent with that of the steel wire rope (3).

4. The spool structure of claim 1, wherein: the winding drum shaft I (2) and the winding drum shaft II (5) are correspondingly connected with the support I (7) and the support II (10) through bearings respectively.

5. The spool structure of claim 1, wherein: the plate surface spacing ring of the end cover (12) is provided with a plurality of through holes for reducing weight.

6. The spool structure of claim 1, wherein: the spoke plate (11) is welded with the winding drum (1) correspondingly.

7. The spool structure of claim 1, wherein: the end cover (12) is welded with the winding drum (1) or correspondingly fastened and connected through a flange.