Rope arranging device for hoisting system of crane

Abstract

The utility model discloses a rope arrangement device for a crane winding system, which comprises two rope arrangement supports which are arranged in parallel and fixedly connected together through a connecting shaft, a guide shaft parallel to the connecting shaft is rotatably connected between the two rope arrangement supports, a sliding block is in threaded connection with the guide shaft, a limiting stopper is in sliding connection with the guide shaft, and the limiting stopper is in threaded connection with the sliding block. The limiter is fixedly connected with the sliding block, one end of the guide shaft penetrates through the rope arranging support on the same side and then is fixedly connected with a first chain wheel, the first chain wheel drives the guide shaft to rotate so as to drive the sliding block to move, and the sliding block drives the limiter to move. The sliding block moves left and right to ensure that the steel wire rope on the winding drum is wound tidily in multiple layers, abrasion of the steel wire rope is reduced through the design of the two limiting rollers and the guide roller, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of winch rope arranging, in particular to a rope arranging device for crane winch system. BACKGROUND

[0002] The crane winch system is generally composed of a winding drum, a steel wire rope and a fixed support, the steel wire rope is reeled on the winding drum to lift and lower the load, according to the crane design manual, the angle of the steel wire rope deviating from both sides of the spiral groove when the steel wire rope is wound into or out of the winding drum is not greater than 3.5°, and the winding drum has a certain requirement for the amount of rope, so it is often difficult to meet the above requirements for the entry angle of the rope during the design of the winding drum, and the unreasonable entry angle of the rope may cause hazards such as disordered rope and climbing rope, and the load may be suddenly unloaded when hoisting, which may even cause the crane to tip over in severe cases.

[0003] To solve the above problems, the utility model patent application with the application number 202220692944.X discloses a winch stabilizing rope arranging device, two limiting rollers can be driven independently, and the middle distance is adjustable to adapt to steel wire ropes of different diameters, however, the diameter of the steel wire rope is determined during the design process, the independent driving design is meaningless and increases the design cost, and the probability of equipment damage is doubled, the invention application with the application number 202220692944.X discloses a winch stabilizing rope arranging device, the rope arranging device and the winding drum are driven by the same motor, and the running speed of the rope arranging device is controlled by the transmission ratio of two inclined groove teeth, the invention transmits power to the rope arranging device through two inclined groove teeth, the structure is designed ingeniously, and a separate driving device is not needed, but the invention cannot realize the self-reversing function and is not suitable for winding drums with multiple layers. UTILITY MODEL CONTENTS

[0004] In view of the above technical deficiencies, the utility model aims to provide a rope arranging device for a crane winch system, which is based on the working characteristics of the crane winch system, such as large entry angle deviation of the rope, large radial force of the steel wire rope and multiple layers of winding, and proposes a new type of winch rope arranging device, the rope arranging device can match the best driving speed according to the rotating speed of the winding drum, so that the steel wire rope always maintains a suitable entry angle, and three rollers are used to reduce the friction of the steel wire rope and prolong the service life of the mechanism.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme:

[0006] The utility model provides a kind of rope arrangement device for crane hoist system, including two parallelly arranged and be fixed together by connecting shaft rope arrangement support, one parallel guiding shaft with connecting shaft is also rotationally connected between the two rope arrangement supports, sliding block is threadedly connected on the guiding shaft, limit stop is slidably connected on the guiding shaft, the limit stop is fixedly connected with sliding block, one end of the guiding shaft passes through the same side rope arrangement support after consolidation first sprocket, the first sprocket drives the rotation of guiding shaft to drive sliding block to move, sliding block drives limit stop to move;

[0007] The limit stop includes a fixed frame slidably connected to the connecting shaft, the fixed frame is provided with a guide roller, and the side of the fixed frame close to the sliding block is connected to a second baffle through two limit rollers.

[0008] Preferably, the two ends of the guiding shaft are rotationally connected to the first baffle after passing through the same side rope arrangement support, and the first baffle is fixed to the same side rope arrangement support.

[0009] Preferably, the two ends of the connecting shaft are fixedly connected to the fixed plate after passing through the same side rope arrangement support, and the fixed plate is fixed to the same side rope arrangement support.

[0010] Preferably, the distance between the two limit rollers is determined according to the diameter of the steel wire rope. The limit rollers and the guide rollers are each provided with a rotatable outer roller.

[0011] Preferably, the first sprocket is driven by a motor chain provided on the crane, the output end of the motor is connected to a second sprocket, and the second sprocket is in chain transmission with the first sprocket.

[0012] Preferably, the rope arrangement support is fixedly connected to the hoist support by a plurality of bolts.

[0013] Preferably, the outer side of the first sprocket and the second sprocket is covered with a protective cover, and the protective cover is fixed to the hoist support.

[0014] The utility model has the advantages that: the three-roller driving mode of two limit rollers and one guide roller is adopted to realize the multi-layer ordered arrangement of the steel wire rope on the reel, which fundamentally solves the problems of rope climbing and disorder of the steel wire rope, the outer rollers of the limit rollers and the guide roller are rotatable, the friction between the outer rollers and the steel wire rope is sliding friction, which reduces the wear of the steel wire rope and maximizes the reduction of the friction between the steel wire rope and the limit rollers, prolongs the service life of the steel wire rope, and the limit rollers are fixed between the sliding block and the fixed frame to overcome the large radial torque. The utility model is easy to install and does not need to modify the original equipment. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0016] Fig. 1 The structural schematic view of the rope arranging device for the crane hoist system provided by the present application is shown in the figure.

[0017] Fig. 2 The structural schematic view of the limiting device is shown in the figure.

[0018] Fig. 3 The structural view of the limiting roller and the guide roller is shown in the figure.

[0019] Fig. 4 The schematic view of the rope arranging device for the crane hoist system in operation is shown in the figure.

[0020] Explanation of the reference signs:

[0021] 1, guide shaft, 2, protective cover, 3, roller, 4, connecting shaft, 5, rope arranging support, 7, sliding block, 8, transmission shaft, 9, first sprocket, 10, second sprocket, 11, first baffle, 12, screw, 13, fixed plate, 301, guide roller, 302, limiting roller, 3021, outer roller, 3022, bearing, 3023, roller shaft, 303, fixed frame, 304, second baffle; 14, hoist, 15, hoist support. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0023] As Figs. 1 to 4As shown, a kind of rope arranging device for crane hoist system, including two parallel arrangement and be consolidated together by connecting shaft 4, two described rope arranging supports 5 still be rotatably connected with the guide shaft 1 parallel with connecting shaft 4, the sliding block 7 is threadedly connected on the guide shaft 1, the limit stopper is slidably connected on the guide shaft 1, the limit stopper is fixedly connected with sliding block 7, one end of the guide shaft 1 passes through the same side rope arranging support 5 after consolidation first sprocket 9, the first sprocket 9 drives the rotation of guide shaft 1 to drive sliding block 7 to move, and sliding block 7 drives limit stopper to move;

[0024] The limit stopper includes a fixed frame 303 slidably connected to the connecting shaft 4, the fixed frame 303 is provided with a guide roller 301, and the side of the fixed frame 303 close to the sliding block 7 is connected to a second baffle 304 by a plurality of limit rollers 302, the second baffle 304 is fixed on the sliding block 7.

[0025] Both ends of the guide shaft 1 are rotatably connected to the first baffle 11 after passing through the same side rope arranging support 5, and the first baffle 11 is fixed on the same side rope arranging support 5 by screws 12.

[0026] Both ends of the connecting shaft 4 are fixedly connected to the fixed plate 13 after passing through the same side rope arranging support 5, and the fixed plate 13 is fixed on the same side rope arranging support 5.

[0027] The number of limit rollers 302 is 2, and the distance between the two limit rollers 302 is determined according to the diameter of the steel wire rope. The limit roller 302 includes a roller shaft 3023, the roller shaft 3023 is fixedly connected to the sliding block 7 and the fixed frame 303 at both ends, the roller shaft 3023 is provided with a bearing 3022 at both ends, and the outer wall of the bearing 3022 is fixedly connected to an outer roller 3021.

[0028] The first sprocket 9 is driven by a motor chain provided on the crane, the output end of the motor is connected to the second sprocket 10 by a transmission shaft 8, and the second sprocket 10 is chain driven with the first sprocket 9.

[0029] The rope arranging support 5 is fixedly connected to the hoist support 15 by a plurality of bolts.

[0030] The outer side of the first sprocket 9 and the second sprocket 10 is covered with a protective cover 2, and the protective cover 2 is fixed on the hoist support 15.

[0031] In use, first, the two rope arranging supports 5 are fixedly connected with the hoist support 15, and when assembling the crane hook, the steel wire rope drawn from the hoist 14 passes between the two limiting rollers 302 and then passes through the arm end connecting hook, at this time, the sliding block 7 is not powered and can freely move along with the steel wire rope. When lifting the heavy object, the hoist 14 rotates to wind the rope, the steel wire rope passes through the guide roller 301 and is limited by the two limiting rollers 302 and then enters the hoist 14 to arrange. When the steel wire rope enters the hoist, it first passes between the two limiting rollers 302, the two limiting rollers 302 and the guide roller 301 can move left and right along with the sliding block 7, thus the entering angle of the steel wire rope can be changed. The sliding block 7 is connected with the guide shaft 1 hole shaft, the guide shaft 1 is a threaded screw rod, when rotating forward and reversely, it can drive the sliding block 7 to move left and right. The guide shaft 1 is connected with the motor or hydraulic motor through the chain wheel transmission, the motor or hydraulic motor provides power, the rotating speed of the guide shaft 1 is related with the entering speed and the chain wheel transmission ratio, through logical control, the entering angle can be ensured to be always in the reasonable range of 0.5°-1.5°, thus the neat arrangement of the steel wire rope in the hoist can be ensured.

[0032] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the present application claims and equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A rope arrangement for a hoist system of a crane, characterized by: The device comprises two parallel arranged rope arranging supports (5) fixed together by a connecting shaft (4), a guide shaft (1) parallel to the connecting shaft (4) is rotatably connected between the two rope arranging supports (5), a sliding block (7) is threadedly connected to the guide shaft (1), a stopper is slidingly connected to the guide shaft (1), the stopper is fixedly connected to the sliding block (7), one end of the guide shaft (1) penetrates through the same side rope arranging support (5) and is fixedly connected to a first sprocket (9), the first sprocket (9) drives the guide shaft (1) to rotate and drives the sliding block (7) to move, the sliding block (7) drives the stopper to move. The stopper comprises a fixing frame (303) slidingly connected to the connecting shaft (4), a guide roller (301) is arranged on the fixing frame (303), two limiting rollers (302) are arranged on one side of the fixing frame (303) close to the sliding block (7), and a second baffle (304) is fixed to the sliding block (7).

2. A rope sorting device for a hoist system of a crane as claimed in claim 1, characterized in that: Both ends of the guide shaft (1) are rotatably connected to first baffles (11) penetrating through the same side rope arranging support (5), and the first baffles (11) are fixed to the same side rope arranging support (5).

3. A rope stripper for a hoist system of a crane as claimed in claim 1, characterized in that: Both ends of the connecting shaft (4) are fixedly connected to fixing plates (13) penetrating through the same side rope arranging support (5), and the fixing plates (13) are fixed to the same side rope arranging support (5).

4. A rope sorting device for a crane hoist system as defined in claim 1, characterized in that: The distance between the two limiting rollers (302) is determined according to the diameter of the steel wire rope.

5. A rope stripper for a hoist system of a crane as defined in claim 1, characterized by: The first sprocket (9) is driven by a motor chain arranged on the crane, a second sprocket (10) is connected to the output end of the motor, and the second sprocket (10) is in chain transmission with the first sprocket (9).

6. A rope sorting device for a crane hoist system as claimed in claim 5, characterized in that: The rope arranging supports (5) are fixedly connected to a winch support (15) by a plurality of bolts.

7. A rope stripper for a hoist system of a crane as defined in claim 1, characterized by: The outer sides of the first sprocket (9) and the second sprocket (10) are covered with protective covers (2), and the protective covers (2) are fixed to the winch support (15).

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