CN105417418B - A kind of reel and its hoisting mechanism - Google Patents

Abstract

The invention discloses a reel and a hoisting mechanism thereof, belonging to the field of cranes. The reel includes a first reel section and a second reel section arranged coaxially, the first section of the reel and the second section of the reel have the same pitch t and rotation direction of the rope grooves, and the outer section of the first section of the reel The difference between the diameter D1 and the outer diameter D2 of the second section of the reel is equal to 2×pitch t/π. The reel provided by the embodiment of the present invention is used in the hoisting mechanism of the double-outlet right-angle rope arranging device. The reel is wound around the steel wire rope for one revolution, and the rope arranging device matched with it travels one pitch along the axis of the reel. distance, then one of the steel wire ropes is pulled up for a pitch length, and the other steel wire rope is released for a pitch length, and the stroke difference between the two steel wire ropes is 2×pitch. The outer diameter difference of the second section of the barrel is used to compensate the stroke difference of the two steel wire ropes during the rope-draining process of the double-outlet right-angle rope rower, thus effectively solving the problem of disordered ropes in rowing.

Description

A drum and hoisting mechanism thereof

technical field

The invention relates to the field of cranes, in particular to a drum and a hoisting mechanism thereof.

Background technique

The hoisting load of the hoisting machine is mainly realized by winding the steel wire rope by the winch mechanism, wherein the reel is the main component of the winch mechanism, and it is used for storing and winding the steel wire rope. Sometimes the hoisting mechanism needs to adopt the method of double-outlet ropes at right angles to meet the requirements of the rope-in angle of the drum.

The existing hoisting mechanism that adopts double-outlet right-angle rope arrangement includes: a reel and a rope arrangement. Since the diameters of the parts where the two steel wire ropes are wound on the reel are the same, the winding lengths of the two steel wire ropes on the reel are the same. In this way, During the rope rowing process, since the rope rower will move along the axial direction of the drum, under the action of the rope rower, one of the wire ropes will be pulled up, while the other wire rope will be released, resulting in two The two steel wire ropes cannot run synchronously, and the problem of disordered ropes occurs, which is absolutely not allowed for hoisting machinery with synchronization requirements.

Contents of the invention

In order to solve the problem of out-of-synchronization of steel wire ropes in the hoisting mechanism of the double-outlet right-angle rope arrangement in the prior art, an embodiment of the present invention provides a drum and a hoisting mechanism thereof. Described technical scheme is as follows:

On the one hand, the embodiment of the present invention provides a reel, the reel includes a first reel section and a second reel section arranged coaxially, and the pitch of the rope groove on the first reel section and the second reel section is t and the direction of rotation are the same, and the difference between the outer diameter D1 of the first section of the reel and the outer diameter D2 of the second section of the reel is equal to 2×pitch t/π.

On the other hand, an embodiment of the present invention provides a hoisting mechanism, the hoisting mechanism includes: a reel, a reel shaft, a reel drive assembly, a rope puller, a rope puller drive assembly, a rope puller drive assembly, a row Rope guide rail, bracket, first wire rope and second wire rope, the reel includes the first reel section and the second reel section arranged coaxially, the joint between the first reel section and the rope groove on the second reel section The distance t and the direction of rotation are the same, the difference between the outer diameter D1 of the first section of the reel and the outer diameter D2 of the second section of the reel is equal to 2×pitch t/π, and the reel is set on the reel On the shaft, the reel shaft is fixed on the bracket through a support, one end of the reel shaft is in transmission connection with the reel drive assembly, and the other end of the reel shaft is driven by the rope puller. The input shaft of the assembly is connected by a roller chain, the running guide rail of the rope deflector is fixed on the bracket, and the running guide rail of the rope deflector is arranged parallel to the central axis of the drum, and the running guide rail of the rope deflector is slidably set On the walking guide rail of the rope unwinder, the drive assembly of the rope unwinder is connected with the transmission of the rope unwinder through the transmission assembly of the rope unwinder, and the rope unwinder is arranged side by side along the axial direction of the reel A first guide wheel and a second guide wheel are provided, one end of the first steel wire rope is fixed on a section of the drum, the middle part of the first steel wire rope is wound on a section of the drum, and the first steel wire rope The other end is put into the rope in the vertical direction and wound on the first guide wheel, one end of the second steel wire rope is fixed on the second section of the drum, and the middle part of the second steel wire rope follows the direction of the first steel wire rope. The winding direction is wound on the second section of the reel, and the other end of the second steel wire rope goes out along the vertical direction and winds on the second guide wheel.

Specifically, the distance L1=(D1+D2)/4 between the central axis of the drum and the middle split plane of the first guide wheel.

Specifically, at least two running wheels that can slide on the running guide rail of the rope running device are installed on the rope running device, and the rope running device slides on the running guide rail of the rope running device through the running wheels.

Specifically, the number of turns of the first steel wire rope wound on the first section of the drum is equal to the number of turns of the second steel wire rope wound on the second section of the drum.

Further, the first steel wire rope is wound on a section of the drum for 3-20 turns.

Specifically, baffles are respectively fixed at both ends of the reel.

Specifically, the hoisting mechanism further includes: a rope pressing block and a screw, and the rope pressing block presses and fixes the first steel wire rope and the second steel wire rope to the section of the drum and the second steel wire rope respectively through the screw. On the second section of the reel.

Further, there are multiple rope-pressing blocks and the screws, and the multiple rope-pressing blocks are evenly arranged along the circumferential direction of the first drum section and the second drum section.

Specifically, the drive assembly of the rope rower includes a steering box, a steering box driving wheel, a steering box driven wheel, and a steering box chain, the input shaft of the steering box is drivingly connected to the drum shaft, and the steering box’s The input shaft is arranged parallel to the spool shaft, the input shaft of the steering box and the output shaft of the steering box are located on the same plane and are perpendicular to each other, and the driving wheel of the steering box is installed on the output shaft of the steering box , the driving wheel of the steering box is connected to the driven wheel of the steering box through the chain of the steering box. At both ends of the walking distance of the rope rower, the two ends of the chain are respectively fixed on the two ends of the rope rower, and the middle part of the chain is respectively wound on the driving wheel and the driven wheel, And the steering box driven wheel and the driving wheel are respectively fixedly installed on the same rotating shaft.

The beneficial effect brought by the technical solution provided by the embodiment of the present invention is: the reel provided by the embodiment of the present invention is used in the hoisting mechanism of the double-outlet right-angle rope arranging device. The matching rope puller walks a distance of one pitch along the axis of the drum, one of the wire ropes is pulled up for a length of one pitch, and the other wire rope is released for a length of one pitch, and the stroke difference between the two wire ropes is 2×pitch, the invention compensates the stroke difference of the two steel wire ropes during the rope-rowing process of the double-outlet right-angle rope arrangement by setting the outer diameter difference between the first section of the drum and the second section of the drum, thereby effectively solving the problem of disorderly rowing. rope problem.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

FIG. 1 is a schematic structural view of a reel provided in Embodiment 1 of the present invention;

Fig. 2 is a front structural schematic diagram of the hoisting mechanism provided by Embodiment 2 of the present invention;

Fig. 3 is a schematic top view of the hoisting mechanism provided by Embodiment 2 of the present invention;

Fig. 4 is a partial structural schematic diagram of the hoisting mechanism provided by Embodiment 2 of the present invention;

Fig. 5 is a left side view of Fig. 4 provided by Embodiment 2 of the present invention.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

Embodiment one

The embodiment of the present invention provides a reel, which is suitable for the reel of the double-outlet right-angle rope arranging device. The pitch t and rotation direction of the rope grooves on the first section 1 of the drum and the second section 2 of the drum are the same, and the difference between the outer diameter D1 of the first section 1 of the drum and the outer diameter D2 of the second section 2 of the drum is equal to 2×pitch t/ π, ie D1-D2=2×pitch t/π.

The reel provided by the embodiment of the present invention is used in the hoisting mechanism of the double-outlet right-angle rope arranging device. Every time the reel is wound with a steel wire rope, the rope arranging device that cooperates with it will travel a pitch along the axis of the reel. distance, then one of the steel wire ropes is pulled up for a pitch length, and the other steel wire rope is released for a pitch length. The stroke difference between the two steel wire ropes is 2×pitch. The outer diameter difference of the two sections of the drum is used to compensate the travel difference of the two steel wire ropes during the rope-laying process of the double-outlet right-angle rope-row hoisting mechanism, thus effectively solving the problem of disordered ropes.

Embodiment two

The embodiment of the present invention provides a hoisting mechanism, which is suitable for the hoisting mechanism of the double-outlet right-angle rope arranging device, as shown in Figures 2-4, the hoisting mechanism includes a drum, a drum shaft 3, and a drum driving assembly 11 , Rope rower 4, Rope rower first transmission assembly 5, Rope rower second transmission assembly 6, Rope rower walking guide rail 7, bracket 8, first steel wire rope 9 and second steel wire rope 10, the drum includes a coaxial arrangement The drum section 1 and the drum section 2 have the same pitch and rotation direction of the rope grooves on the drum section 1 and the drum section 2. The outer diameter D1 of the drum section 1 is the same as the outer diameter of the drum section 2. The difference of the diameter D2 is equal to 2×pitch/π, the reel is set on the reel shaft 3, the reel shaft 3 is fixed on the bracket 8 through the support 13, and one end of the reel shaft 3 is driven by the reel drive assembly 11 connection, the other end of the reel shaft 3 is connected to the input shaft of the first transmission assembly 5 of the rope puller, the running guide rail 7 of the rope puller is fixed on the bracket 8, and the running guide rail 7 of the rope puller is parallel to the central axis of the drum Arrangement, the rope guide 4 is slidably set on the rope guide rail 7, the first transmission component 5 of the rope guide is connected with the rope guide 4 through the second transmission component 6 of the rope guide, and the rope guide 4 is moved along the reel The first guide wheel 4a and the second guide wheel 4b are arranged side by side in the axial direction of the first steel wire rope 9. One end of the first steel wire rope 9 is fixed on the drum section 1, and the middle part of the first steel wire rope 9 is wound on the drum section 1. The first steel wire rope The other end of 9 enters the rope along the vertical direction and winds on the first guide wheel 4a, one end of the second steel rope 10 is fixed on the second section 2 of the reel, and the middle part of the second steel rope 10 is wound according to the winding direction of the first steel rope 9 On the second section 2 of the drum, the other end of the second steel wire rope 10 goes out along the vertical direction and winds on the second guide wheel 4b. Wherein, the reel shaft 3 can be fixed on the bracket 8 through two supports 13, specifically, the two ends of the reel shaft 3 can be respectively installed with bearings (not shown in the figure), and the reel shaft 3 is installed on the support through the bearings. 13 and fixed on the bracket 8. One end of the drum shaft 3 is welded to the drum, and the other end of the drum shaft 3 can be connected to the input shaft of the first transmission assembly 5 of the rope puller. During the transmission process, the drum shaft 3 is connected through the drum drive assembly. 11 drive, the drum shaft 3 is connected with the input shaft of the first transmission assembly 5 of the rope rower, so that the input shaft of the first transmission assembly 5 of the rope rower can follow the rotation of the drum shaft 3, and the first transmission of the rope rower The input shaft of the assembly 5 can transmit power to the output shaft. In this embodiment, the first transmission assembly 5 of the rope rower can be a steering box, and the steering box can input the power direction of the first transmission assembly 5 of the rope rower to the shaft. After rotating 90°, it is output by the output shaft of the first transmission assembly 5 of the rope puller.

Specifically, as shown in FIG. 5 , the distance L1=(D1+D2)/4 between the central axis of the drum and the middle split plane of the first guide wheel 4a. This enables the first steel wire rope 9 and the second steel wire rope 10 to enter the first guide wheel 4a and the second guide wheel 4b respectively along the vertical tangent of the drum, which is conducive to reducing the radial component force suffered by the rope puller 4, Thereby, the running stability of the rope puller 4 is improved, and the wear caused by the radial force of the first guide wheel 4a and the second guide wheel 4b during operation is reduced.

Specifically, as shown in FIG. 3 , the rope puller 4 includes two side plates 4c, and the first guide wheel 4a and the second guide wheel 4b are clamped between the two side plates 4c through the axles.

Specifically, at least two walking wheels 14 that can slide on the rope rowing device walking guide rail 7 are installed on the rope rowing device 4, and the rope rowing device 4 can walk on the rope rowing device walking guide rail 7 through the walking wheels 14, wherein the rowing device Rope device walking guide rail 7 can be two, is arranged on the both sides of two side plates 4c respectively, and traveling wheel 14 can be four, and two traveling wheels 14 are respectively installed on each side plate 4c, and traveling wheel 14 is positioned at corresponding side On the outside of the plate 4c, the traveling wheels 14 can make the rope rower 4 slide along the rope rower walking guide rail 7, and the four traveling wheels 14 can make the operation of the rope rower 4 more stable.

Specifically, the number of turns of the first steel wire rope 9 wound on the first drum section 1 is equal to the number of turns of the second steel wire rope 10 wound on the second drum section 2 . At the same time, the length of one section 1 of the reel is the same as that of the second section 2 of the reel. This number of turns can ensure that the first steel wire rope 9 and the second steel wire rope 10 are stably wound on the first drum section 1 and the second drum segment 2 .

Further, the first steel wire rope 9 is wound on the section 1 of the drum for 3-20 turns.

Specifically, baffles 15 are respectively fixed at both ends of the reel. The baffle plate 15 can prevent the first steel wire rope 9 and the second steel wire rope 10 from slipping out of the reel during the winding process.

Specifically, the hoisting mechanism may also include: a rope pressing block 16 and a screw 17, and the rope pressing block 16 presses and fixes the first steel wire rope 9 and the second steel wire rope 10 to the drum first section 1 and the drum second section 2 respectively through the screw 17. superior. The rope pressing block 16 can fix the first steel wire rope 9 and the second steel wire rope 10 to prevent the first steel wire rope 9 and the second steel wire rope 10 from shifting.

Specifically, there are a plurality of rope pressing blocks 16 and screws 17, and the plurality of rope pressing blocks 16 are evenly arranged along the circumferential direction of the first drum section 1 and the second drum section 2, respectively.

Specifically, the first transmission assembly 5 of the rope row device includes a steering box 5a, a steering box driving wheel 5b, a steering box driven wheel 5c and a steering box chain (not shown in the figure), and the input shaft of the steering box 5a is driven by the drum shaft 3. connected, and the input shaft of the steering box 5a is arranged parallel to the reel shaft 3, the input shaft of the steering box 5a and the output shaft of the steering box 5a are located on the same plane and are perpendicular to each other, and the steering box driving wheel 5b is installed on the output shaft of the steering box 5a. On the shaft, the steering box driving wheel 5b is drivingly connected with the steering box driven wheel 5c through the steering box chain, and the second transmission assembly 6 of the rope rower includes a driving wheel 19, a driven wheel 18 and a chain 6a, and the driving wheel 19 and the driven wheel 18 are respectively arranged At both ends of the walking distance of the rope rower 4, the two ends of the chain 6a are respectively fixed on the two ends of the rope rower 4, and the middle part of the chain 6a is wound on the driving wheel 19 and the driven wheel 18 respectively, and the steering box driven wheel 5c It is respectively fixedly installed on the same rotating shaft with the driving wheel 19. Wherein, the first transmission assembly 5 of the rope unwinder is controlled by the reel drive assembly 11, and moves together with the reel drive assembly 11. At the same time, the first transmission assembly 5 of the rope unwinder drives the second transmission assembly 6 of the rope unwinder to move, and Make the rope rower 4 move along the direction of the rope rower walking guide rail 7, which makes the rope rower 4 and the reel drive with the same power drive assembly, so that the rope rower 4 can always move synchronously with the reel, thereby further Avoid the problem of row rope disorder rope.

Specifically, the reel driving assembly 11 may include a motor, a brake and a reducer, the motor is connected to the reducer through the brake, wherein the reducer may be installed inside the reel.

Specifically, the other end of the spool shaft 3 is equipped with a first transmission wheel 12, and the input shaft of the steering box 5a is equipped with a second transmission wheel 21, and the first transmission wheel 20 and the second transmission wheel 21 pass through a roller chain ( not shown in the figure) transmission connection. The transmission connection between the drum shaft 3 and the first transmission assembly 5 of the rope puller is realized through the first transmission wheel 12 and the second transmission wheel 21 .

The hoisting mechanism provided by the embodiment of the present invention includes a reel and a rope guide, and the reel and the rope guide can run synchronously. Every time the drum is wound with a wire rope, the rope guide that cooperates with it travels a pitch along the axis of the drum. distance, then one of the steel wire ropes is pulled up for a pitch length, and the other steel wire rope is released for a pitch length. The stroke difference between the two steel wire ropes is 2×pitch. The difference in the outer diameter of the two sections of the drum is used to compensate the travel difference of the two steel wire ropes during the rope-laying process of the double-outlet right-angle rope arrangement, thus effectively solving the problem of disordered ropes in the arrangement.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (9)

1. A hoisting mechanism, characterized in that, the hoisting mechanism comprises: a reel, a reel shaft (3), a reel drive assembly (11), a rope puller (4), a rope puller drive assembly (5) , the transmission assembly of the rope deflector (6), the running guide rail of the rope deflector (7), the bracket (8), the first steel wire rope (9) and the second steel wire rope (10), The reel comprises a first reel section (1) and a second reel section (2) arranged coaxially, and the pitch t and The direction of rotation is the same, the difference between the outer diameter D1 of the first section (1) of the reel and the outer diameter D2 of the second section (2) of the reel is equal to 2×pitch t/π, and the reel is set in the On the reel shaft (3), the reel shaft (3) is fixed on the bracket (8) through a support (13), and one end of the reel shaft (3) is connected to the reel drive assembly (11) transmission connection, when the reel rotates once a week, the rope rower (4) walks a distance of one pitch along the axial direction of the reel, and the other end of the reel shaft (3) is connected to the The input shaft of the drive assembly (5) of the rope row device (5) is connected by transmission, the travel guide rail (7) of the rope row device is fixed on the support (8), and the travel guide rail (7) of the rope row device is parallel to the The central axis of the reel is arranged, the rope rower (4) is slidably arranged on the rope rower walking guide rail (7), and the rope rower drive assembly (5) passes through the rope rower transmission assembly (6 ) is connected with the transmission of the rope rower (4), and the first guide wheel (4a) and the second guide wheel (4b) are arranged side by side along the axial direction of the reel on the said rope rower (4), One end of the first steel wire rope (9) is fixed on the one section (1) of the drum, the middle part of the first steel wire rope (9) is wound on the one section (1) of the drum, and the first steel wire rope ( The other end of 9) enters the rope along the vertical direction and winds on the first guide wheel (4a), and one end of the second steel wire rope (10) is fixed on the second section of the reel (2), the The middle part of the second steel wire rope (10) is wound on the second drum section (2) according to the winding direction of the first steel wire rope (9), and the other end of the second steel wire rope (10) goes out along the vertical direction And wound on the second guide wheel (4b). 2. The hoisting mechanism according to claim 1, characterized in that, the distance L1=(D1+D2)/4 between the central axis of the reel and the middle split plane of the first guide wheel (4a). 3. The hoisting mechanism according to claim 1, characterized in that at least two running wheels (14) that can slide on the running guide rail (7) of the rope rower (4) are installed on the rope rower (4) , the rope rower (4) slides on the rope rower walking guide rail (7) through the traveling wheels (14). 4. The hoisting mechanism according to claim 1, characterized in that, the number of turns of the first wire rope (9) wound on the section of the reel (1) is equal to that of the second wire rope (10) Describe the number of turns on the second section (2) of the reel. 5. The hoisting mechanism according to claim 4, characterized in that, the first steel wire rope (9) is wound on the section (1) of the drum for 3-20 turns. 6. The hoisting mechanism according to claim 1, characterized in that baffles (15) are respectively fixed at both ends of the reel. 7. The hoisting mechanism according to claim 1, characterized in that, the hoisting mechanism further comprises: a rope pressing block (16) and a screw (17), and the rope pressing block (16) passes through the screw (17) The first steel wire rope (9) and the second steel wire rope (10) are press-fitted and fixed on the first drum section (1) and the second drum drum segment (2) respectively. 8. The hoisting mechanism according to claim 7, characterized in that, the rope-pressing blocks (16) and the screws (17) are multiple, and a plurality of rope-pressing blocks (16) are respectively along the The first drum section (1) and the second drum segment (2) are evenly arranged in the circumferential direction. 9. The hoisting mechanism according to claim 1, characterized in that, the drive assembly (5) of the rope controller comprises a steering box (5a), a steering box driving wheel (5b), a steering box driven wheel (5c) and a steering box box chain, the input shaft of the steering box (5a) is connected to the drum shaft (3), and the input shaft of the steering box (5a) is arranged in parallel with the drum shaft (3), the The input shaft of the steering box (5a) and the output shaft of the steering box (5a) are located on the same plane and are perpendicular to each other, and the steering box driving wheel (5b) is installed on the output shaft of the steering box (5a), The steering box driving wheel (5b) is transmission-connected with the steering box driven wheel (5c) through the steering box chain, and the rope row device transmission assembly (6) includes a driving wheel (19), a driven wheel (18) And chain (6a), described driving wheel (19) and described driven wheel (18) are respectively arranged at the two ends of the walking distance of described rope row device (4), and the two ends of described chain (6a) are fixed respectively At both ends of the rope puller (4), the middle part of the chain (6a) is respectively wound on the driving wheel (19) and the driven wheel (18), and the steering box driven wheel (5c ) and the driving wheel (19) are respectively fixedly mounted on the same rotating shaft.