CN217229974U

CN217229974U - Winding device for grab bucket closing rope

Info

Publication number: CN217229974U
Application number: CN202123045377.3U
Authority: CN
Inventors: 唐佳贤; 唐茂良
Original assignee: Wuxi Gangkou Machinery Co ltd
Current assignee: Wuxi Gangkou Machinery Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-08-19
Anticipated expiration: 2031-12-06

Abstract

The application provides a winding device for grab bucket closed rope belongs to grab bucket closed rope technical field. This winding device for grab bucket closed rope includes fixing base and winding mechanism, the fixing base bottom is rotated and is installed the tie-beam, the back timber support sets up in two between the tie-beam, the outside rotation of back timber support installs first pulley, well roof beam support movable mounting in two between the tie-beam, the rope threading piece set up in well roof beam support top, the rope threading hole has been seted up on the rope threading piece, it has the steel cable to put the rope roller surface around being connected, the steel cable passes the rope threading hole and in proper order around connect in first pulley the second pulley with receive the rope roller, the mounting set up in rope threading piece rear end, the mounting bottom with well roof beam support top swing joint, the driving piece with receive the rope roller transmission and connect, this winding device for grab bucket closed rope is convenient for maintain the closed rope stiff end.

Description

Winding device for grab bucket closing rope

Technical Field

The application relates to the technical field of grab bucket closing ropes, in particular to a winding device for a grab bucket closing rope.

Background

The grab bucket closing rope can be wound on the pulley on the grab bucket beam, and the pulley is driven to move by winding the grab bucket closing rope, so that the closing process of the grab bucket at the bottom of the grab bucket beam is driven.

Most of the existing closed ropes of the crane grab bucket for loading and unloading bulk cargo operation mostly adopt a three-pulley four-rope threading method, the closing speed of the grab bucket is low in the rope threading mode, the fixed end of each closed rope is arranged on the top cover of the grab bucket, the position is too high, the maintenance and the disassembly are very inconvenient and unsafe, and the operation efficiency of the grab bucket is influenced.

SUMMERY OF THE UTILITY MODEL

In order to remedy the above drawbacks, the present application provides a winding device for a grab bucket closing rope, aiming at improving the above proposed problem.

The embodiment of the application provides a winding device for a grab bucket closed rope, which comprises a fixed seat and a winding mechanism, wherein the bottom of the fixed seat is rotatably provided with four connecting beams, the bottom of each connecting beam is movably provided with the same grab bucket mechanism, the top of the fixed seat is provided with a frame body, the winding mechanism comprises a top beam support, a middle beam support, a rope releasing roller, a rope receiving roller, a rope penetrating block, a fixing part and a driving part, the top beam support is arranged between the two connecting beams, a first pulley is rotatably arranged outside the top beam support, the middle beam support is movably arranged between the two connecting beams, the bottom of the middle beam support is movably connected with the grab bucket mechanism, a second pulley is rotatably arranged outside the middle beam support, the rope releasing roller and the rope receiving roller are rotatably arranged in the frame body, the rope penetrating block is arranged at the top of the middle beam support, the rope penetrating device is characterized in that a rope penetrating hole is formed in the rope penetrating block, a steel rope is wound on the surface of the rope releasing roller, the steel rope penetrates through the rope penetrating hole and is sequentially wound on the first pulley, the second pulley and the rope collecting roller, the fixing piece is arranged at the rear end of the rope penetrating block, the bottom of the fixing piece is movably connected with the top of the middle beam support, and the driving piece is in transmission connection with the rope collecting roller.

In the implementation process, when the grab bucket works, the fixed seat is moved to a proper position through an external hoisting machine, so that the grab bucket mechanism is aligned with materials to be transported, wherein the steel rope on the rope releasing roller movably penetrates through the frame body, part of the length of the steel rope penetrating through the frame body is positioned at the front end of the top beam support, the part of the length of the steel rope penetrates through the rope penetrating hole and is wound on the surface of the first pulley from the rear end of the first pulley, penetrates out of the front end of the first pulley and is wound on the surface of the second pulley, finally penetrates out of the rear end of the second pulley and is wound on the surface of the rope receiving roller, the grab bucket mechanism is in an opening state initially, the grab bucket mechanism is two grab buckets rotatably installed, the middle ends of the tops of the two grab buckets are provided with devices for driving the two grab buckets to open and close, the devices are similar to telescopic rods, the expansion process of the telescopic ends of the telescopic rods is utilized to achieve the expansion and close process of the grab buckets, which is the working process of most grab bucket mechanisms, the specific working principle is not described herein, firstly, the rope releasing roller winds a plurality of circles of steel ropes, the steel ropes pass through the rope penetrating hole, the fixing member is arranged at the rear end of the rope penetrating block, the bottom of the fixing member is movably connected with the top of the middle beam bracket, so the steel ropes passing through the rope penetrating hole pass through the area between the fixing member and the middle beam bracket, the steel ropes passing through the rope penetrating hole are fixed through the movable connection of the fixing member, then the driving member is started to drive the rope receiving roller to rotate, so that the steel ropes wound on the rope receiving roller are wound, at the moment, the length of the steel ropes in the area between the bottom of the fixing member and the bottom of the frame body is reduced, because the middle beam bracket is movably arranged between the two connecting beams, the bottom of the middle beam bracket is movably connected with the grab bucket mechanism, at the moment, the middle beam bracket moves upwards to drive the grab bucket mechanism to start, so that the two grabs on the grab bucket mechanism are closed, in order to accomplish the snatching process of material, wherein the mounting is the stiff end of closure rope, compares in the setting that the closure rope stiff end in the past was located the framework top, and the position that the mounting was located is lower to maintain or dismantle.

In a specific embodiment, the mounting includes connecting plate and screw rod, the connecting plate set up in the stringing piece rear end, the screw rod screw thread run through in the connecting plate, the strip shaped plate is installed in the rotation of screw rod bottom.

In the implementation process, the steel rope penetrating through the rope penetrating hole passes through the area between the strip-shaped plate and the middle beam support, the screw rod is rotated to enable the strip-shaped plate to move downwards, and the steel rope is tightly pressed on the top of the middle beam support, so that the fixing process of the steel rope is completed.

In a specific embodiment, the bottom of the strip-shaped plate is provided with a convex part, and the top of the centre sill support is provided with a concave part aligned with the convex part.

In the implementation process, in the process that the strip-shaped plate moves downwards, the convex part at the bottom of the strip-shaped plate compresses the steel rope into the concave part, so that the fixing effect of the steel rope is improved.

In a specific embodiment, the top of the screw is provided with a turning hand.

In the implementation process, the hand is rotated to rotate the screw rod.

In a specific embodiment, the driving part comprises a driving motor, and an output shaft of the driving motor is connected with the rope winding roller.

In the implementation process, the output shaft of the driving motor rotates to drive the rope winding roller to rotate, so that the process of winding the steel rope by the rope winding roller is realized.

In a specific embodiment, a mounting rack is arranged at the bottom in the frame body, and the mounting rack is fixedly sleeved on the driving motor.

In the implementation process, the mounting frame is fixedly sleeved on the driving motor to improve the stability of the driving motor in the frame body.

In a specific embodiment, the top of the frame body is provided with a hoisting ring.

In the implementation process, in the moving process of the whole device, the steel wire rope on the external hoisting machine penetrates through the hoisting ring so as to move the whole device.

In a specific embodiment, the bottom of the frame body is provided with a through hole for the steel rope to pass through.

In the implementation process, the steel rope on the rope releasing roller can penetrate through the through hole and is positioned between the two connecting beams.

In a specific embodiment, two through holes are arranged, and the two through holes are respectively aligned with the rope releasing roller and the rope collecting roller.

In the implementation process, the steel rope on the rope releasing roller penetrates through one through hole, winds around the first pulley and the second pulley, penetrates through the other through hole and winds around the surface of the rope receiving roller.

In a specific embodiment, the circumferential side surfaces of the first sheave and the second sheave are each provided with a magnet-attracting layer.

At above-mentioned realization in-process, the magnet adsorption layer has the adsorptivity to metal material, after the steel cable wire-wound connects first pulley and second pulley, through the adsorptivity of magnet adsorption layer to the steel cable to make the steel cable be difficult for breaking away from first pulley and second pulley.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a winding device for a grab bucket closing rope according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a winding mechanism provided in an embodiment of the present application;

FIG. 3 is an enlarged view of FIG. 2 at A provided in accordance with an embodiment of the present application;

FIG. 4 is a right side view of the stringing block of FIG. 2 according to an embodiment of the present disclosure;

fig. 5 is a side view of the device of fig. 1 without wrapping a steel cord, according to an embodiment of the present invention.

In the figure: 100-a fixed seat; 110-connecting beam; 120-a grab bucket mechanism; 130-a frame body; 131-a mounting frame; 132-hoisting ring; 133-a through hole; 200-a winding mechanism; 210-a top beam support; 211-a first pulley; 220-centre sill support; 221-a second pulley; 222-a recess; 230-rope releasing roller; 231-steel cord; 240-rope reeling roller; 250-a rope threading block; 251-a stringing hole; 260-a fixing member; 261-a connection plate; 262-screw rod; 2621-strip; 2622-a boss; 270-a drive member; 271-driving the motor.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Referring to fig. 1-5, the present application provides a winding device for a grab bucket closed rope, comprising a fixed base 100 and a winding mechanism 200, wherein the bottom of the fixed base 100 is rotatably installed with four connecting beams 110, the bottoms of the four connecting beams 110 are movably installed with the same grab bucket mechanism 120, the top of the fixed base 100 is provided with a frame 130, the winding mechanism 200 comprises a top beam support 210, a middle beam support 220, a rope releasing roller 230, a rope receiving roller 240, a rope threading block 250, a fixing member 260 and a driving member 270, the top beam support 210 is arranged between the two connecting beams 110, the outer part of the top beam support 210 is rotatably installed with a first pulley 211, the middle beam support 220 is movably installed between the two connecting beams 110, the bottom of the middle beam support 220 is movably connected with the grab bucket mechanism 120, the outer part of the middle beam support 220 is rotatably installed with a second pulley 221, the rope releasing roller 230 and the rope receiving roller 240 are rotatably installed in the frame 130, the rope threading block 250 is arranged at the top of the middle beam support 220, the rope penetrating block 250 is provided with a rope penetrating hole 251, the surface of the rope releasing roller 230 is wound with a steel rope 231, the steel rope 231 penetrates through the rope penetrating hole 251 and is sequentially wound on the first pulley 211, the second pulley 221 and the rope receiving roller 240, the fixing piece 260 is arranged at the rear end of the rope penetrating block 250, the bottom of the fixing piece 260 is movably connected with the top of the middle beam support 220, and the driving piece 270 is in transmission connection with the rope receiving roller 240.

In some embodiments, the fixing member 260 includes an attachment plate 261 and a screw 262, the attachment plate 261 is disposed at the rear end of the rope threading block 250, the screw 262 is threaded through the attachment plate 261, a strip 2621 is rotatably installed at the bottom of the screw 262, the steel rope 231 passing through the rope threading hole 251 passes through the area between the strip 2621 and the center sill bracket 220, the screw 262 is rotated to move the strip 2621 downward and press the steel rope 231 against the top of the center sill bracket 220, thereby completing the fixing process of the steel rope 231.

In some embodiments, the protrusion 2622 is disposed at the bottom of the strip 2621, and the recess 222 aligned with the protrusion 2622 is disposed at the top of the center sill bracket 220, and during the downward movement of the strip 2621, the protrusion 2622 at the bottom of the strip 2621 presses the steel cable 231 into the recess 222, so as to improve the fixing effect of the steel cable 231.

In some embodiments, a rotating hand is provided on the top of the screw 262, and is configured to rotate the screw 262.

In some specific embodiments, the driving member 270 includes a driving motor 271, an output shaft of the driving motor 271 is connected to the rope take-up roller 240, and the rotation of the output shaft of the driving motor 271 can drive the rope take-up roller 240 to rotate, so as to realize the process of winding the steel rope 231 by the rope take-up roller 240.

In some specific embodiments, the mounting frame 131 is disposed at the bottom inside the frame 130, the mounting frame 131 is fixedly sleeved on the driving motor 271, and the mounting frame 131 is fixedly sleeved on the driving motor 271, so as to improve the stability of the driving motor 271 being fixedly disposed inside the frame 130.

In some specific embodiments, a hoisting ring 132 is disposed on the top of the frame 130, and during the movement of the whole device, a steel wire rope on an external hoisting machine is used to pass through the hoisting ring 132 so as to move the whole device.

In some specific embodiments, the bottom of the frame 130 is provided with a through hole 133 through which the steel cable 231 can pass, and the steel cable 231 on the rope releasing roller 230 can pass through the through hole 133 and is located between the two connecting beams 110.

In some specific embodiments, two through holes 133 are provided, the two through holes 133 are respectively aligned with the rope releasing roller 230 and the rope collecting roller 240, and the steel rope 231 on the rope releasing roller 230 passes through one through hole 133, passes through the first pulley 211 and the second pulley 221, passes through the other through hole 133, and is wound on the surface of the rope collecting roller 240.

In some embodiments, the circumferential side surfaces of the first pulley 211 and the second pulley 221 are provided with a magnetic adsorption layer, the magnetic adsorption layer has an adsorption property to a metal material, and after the steel rope 231 is wound around the first pulley 211 and the second pulley 221, the steel rope 231 is not easily separated from the first pulley 211 and the second pulley 221 by the adsorption property of the magnetic adsorption layer to the steel rope 231 (the magnetic adsorption layer is not shown).

This wrapping apparatus for grab bucket closing rope's theory of operation: when the grab bucket works, the fixed seat 100 is moved to a proper position through an external hoisting machine, so that the grab bucket mechanism 120 is aligned with materials to be transported, wherein the steel rope 231 on the rope placing roller 230 movably penetrates through the frame body 130, part of the length of the steel rope 231 penetrating through the frame body 130 is positioned at the front end of the top beam support 210, the part of the length of the steel rope 231 penetrates through the rope penetrating hole 251 and is wound on the surface of the first pulley 211 from the rear end of the first pulley 211, and penetrates out from the front end of the first pulley 211 and is wound on the surface of the second pulley 221, and finally penetrates out from the rear end of the second pulley 221 and is wound on the surface of the rope receiving roller 240, the grab bucket mechanism 120 is in an open state initially, the grab bucket mechanism 120 is two grab buckets rotatably installed, the middle ends of the tops of the two grab buckets are provided with a device for driving the two grab buckets to open and close, the device is similar to a telescopic rod, so as to achieve a grab bucket opening and closing process, which is the working process of most grab bucket mechanisms 120, the specific working principle is not described herein, firstly, the rope releasing roller 230 is wound with a plurality of circles of steel ropes 231, since the steel ropes 231 pass through the rope passing hole 251, the fixing member 260 is disposed at the rear end of the rope passing block 250, the bottom of the fixing member 260 is movably connected with the top of the middle beam bracket 220, so that the steel ropes 231 passing through the rope passing hole 251 pass through the region between the fixing member 260 and the middle beam bracket 220, the steel ropes 231 passing through the rope passing hole 251 are fixed by the movable connection of the fixing member 260, then the driving member 270 is started to drive the rope receiving roller 240 to rotate, so that the steel ropes 231 wound on the rope receiving roller 240 are wound, at this time, the length of the steel ropes 231 in the region between the bottom of the fixing member 260 and the bottom of the frame 130 is reduced, since the middle beam bracket 220 is movably mounted between the two connecting beams 110, the bottom of the middle beam bracket 220 is movably connected with the grab mechanism 120, at this time, the middle beam bracket 220 moves upward, the middle beam support 220 moves upwards to drive the grab mechanism 120 to start, so that two grabs on the grab mechanism 120 are closed to complete the grabbing process of the material, wherein the fixing member 260 is a fixed end of a closing rope, and compared with the arrangement that the fixed end of the closing rope is positioned at the top of the frame body 130 in the prior art, the position where the fixing member 260 is positioned is lower, so that the grab mechanism can be maintained or disassembled.

It should be noted that the specific model specification of the driving motor 271 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the drive motor 271 and its principle will be clear to the skilled person and will not be described in detail here.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A winding device for a grab bucket closing rope is characterized by comprising

The grab bucket mechanism comprises a fixed seat (100), wherein connecting beams (110) are rotatably arranged at the bottom of the fixed seat (100), four connecting beams (110) are arranged, the bottom of each connecting beam (110) is movably provided with the same grab bucket mechanism (120), and the top of the fixed seat (100) is provided with a frame body (130);

the winding mechanism (200) comprises a top beam support (210), a middle beam support (220), a rope releasing roller (230), a rope receiving roller (240), a rope penetrating block (250), a fixing piece (260) and a driving piece (270), wherein the top beam support (210) is arranged between the two connecting beams (110), a first pulley (211) is rotatably arranged outside the top beam support (210), the middle beam support (220) is movably arranged between the two connecting beams (110), the bottom of the middle beam support (220) is movably connected with the grab bucket mechanism (120), a second pulley (221) is rotatably arranged outside the middle beam support (220), the rope releasing roller (230) and the rope receiving roller (240) are rotatably arranged in the frame body (130), the rope penetrating block (250) is arranged at the top of the middle beam support (220), and a rope penetrating hole (251) is formed in the rope penetrating block (250), the surface of the rope releasing roller (230) is wound and connected with a steel rope (231), the steel rope (231) penetrates through the rope penetrating hole (251) and is sequentially wound and connected to the first pulley (211), the second pulley (221) and the rope collecting roller (240), the fixing piece (260) is arranged at the rear end of the rope penetrating block (250), the bottom of the fixing piece (260) is movably connected with the top of the middle beam support (220), and the driving piece (270) is in transmission connection with the rope collecting roller (240).

2. The winding device for the grab closing rope according to claim 1, wherein the fixing piece (260) comprises a connecting plate (261) and a screw rod (262), the connecting plate (261) is arranged at the rear end of the rope threading block (250), the screw rod (262) penetrates through the connecting plate (261) in a threaded manner, and a strip-shaped plate (2621) is rotatably installed at the bottom of the screw rod (262).

3. The winding device for the grab closing rope according to claim 2, wherein the strip-shaped plate (2621) is provided with a convex part (2622) at the bottom, and the center sill bracket (220) is provided with a concave part (222) at the top aligned with the convex part (2622).

4. The winding device for the grapple closing rope according to claim 2, characterized in that a turning hand is provided on the top of the screw (262).

5. The winding device for the grab closing rope according to claim 1, wherein the driving member (270) comprises a driving motor (271), and an output shaft of the driving motor (271) is connected with the rope take-up roller (240).

6. The winding device for the grab bucket closing rope is characterized in that a mounting rack (131) is arranged at the bottom in the frame body (130), and the mounting rack (131) is fixedly sleeved on the driving motor (271).

7. The grapple closure rope wrapping apparatus of claim 1 wherein the frame (130) is provided with a lifting ring (132) on top of the frame.

8. The winding device for the grab bucket closing rope according to claim 1, wherein a through hole (133) for the steel rope (231) to pass through is formed at the bottom of the frame body (130).

9. The rope winding device for the grab bucket closing rope according to claim 8, wherein the through holes (133) are provided in two numbers, and the two through holes (133) are respectively aligned with the rope releasing roller (230) and the rope collecting roller (240).

10. The rope winding device for a grapple closing rope according to claim 1, wherein peripheral side surfaces of the first sheave (211) and the second sheave (221) are each provided with a magnet adsorption layer.