Special tool for automatically winding steel wire rope of bridge crane

Abstract

The utility model discloses a special tool for automatically winding a steel wire rope of a bridge crane, which belongs to metallurgical machinery and comprises a base, a support, a steel wire rope roller and a gear motor. The base comprises a base body and two side beams, the bottoms of the side beams are fixedly connected with the base body, and the front side walls and the rear side walls of the side beams are connected with the base body through oblique beams. A motor frame is arranged on the side beam on one side, and a gear motor is installed on the motor frame. The top ends of the side beams are arc-shaped bearing surfaces, and bearings are arranged in the bearing surfaces; the steel wire rope roller comprises a roller shaft, and the roller shaft is arranged between the two side beams and connected with the arc-shaped bearing faces at the top ends of the side beams through bearings. The roller shaft is connected with a gear motor which drives the roller shaft to rotate; a control unit of the gear motor is in signal connection with the remote control handle. Compared with the prior art, the method has the characteristics of rapidness and safety.

Description

Technical Field

[0001] The utility model relates to a metallurgical machine, in particular to a special tool for automatic winding of steel wire ropes of a bridge crane. Background Art

[0002] Bridge cranes play an important role in industrial production, especially in the metallurgical industry. However, in the daily maintenance of bridge cranes, one of the more tedious maintenance items is the replacement of lifting wire ropes, especially the main lifting wire rope of the liquid overhead crane has a large diameter and is several meters long. In the step of replacing the old wire rope, at least four people are required to coil the rope at the same time, and it must be done under the trolley. If tools and other items are accidentally dropped from the top of the trolley, it may cause injuries to people on the ground.

[0003] There are obvious defects in the current operation of replacing wire ropes on bridge cranes: when replacing wire ropes on bridge cranes, multiple people on the ground are required to manually coil the ropes under the trolley during the lowering of the old rope. At this time, due to the cross-operation between upper and lower parts, when the personnel are coiling the ropes below, the personnel on the trolley are prohibited from working. This not only affects the maintenance efficiency, but may also cause injuries to the personnel on the ground due to tools and other items accidentally falling from the top of the trolley.

[0004] Therefore, a special tool for automatic winding of the wire rope of a bridge crane is urgently needed to solve the above problems. Utility Model Content

[0005] The technical task of the utility model is to address the deficiencies of the above-mentioned existing technologies and to provide a special tool for automatic winding of wire rope for bridge cranes, which is specifically designed for replacing wire ropes for bridge cranes to ensure that the old rope can be lowered safely and efficiently. During the operation, personnel no longer need to manually wind the rope, which reduces their labor intensity, reduces their working hours, and improves maintenance efficiency; it eliminates the risk of personnel being injured during the process of lowering the old rope and reduces the safety risk of on-site operations.

[0006] The technical solution of the utility model to solve its technical problems is: a special tool for automatic winding of wire rope of bridge crane, characterized in that: it includes a base, a bracket, a wire rope roller and a reduction motor; the base includes a pedestal and two side beams, the bottom of the side beam is fixedly connected to the base, and the front and rear side walls of the side beam are connected to the base through an inclined beam; a motor frame is provided on one side of the side beam, and a reduction motor is installed on the motor frame; the top end of the side beam is an arc-shaped receiving surface, and a bearing is provided in the receiving surface; the wire rope roller includes a roller shaft, and the roller shaft is placed between the two side beams and is connected to the arc-shaped receiving surface at the top end of the side beam through a bearing; the roller shaft is connected to the reduction motor, and the reduction motor drives the roller shaft to rotate; the control unit of the reduction motor is connected to the remote control handle signal, and the forward rotation, reverse rotation and stop of the reduction motor are realized through the remote control handle.

[0007] Furthermore, the bottom of the bracket is fixedly connected to the base.

[0008] Further, the above-mentioned bracket is in the shape of a Chinese character 'Ri', including a top rod, a cross rod, and two side rods.

[0009] Further, both ends of the above-mentioned cross rod are rotatably connected to the side rods of the bracket.

[0010] Further, the above-mentioned wire rope roller further includes a rope frame and two side retaining rings. The drive side retaining ring is fixedly connected to the roller shaft and the rope frame, and the roller shaft is connected to the reduction motor through a flange; the non-drive side retaining ring is detachably connected to the roller shaft and the rope frame.

[0011] Further, the control unit of the above-mentioned reduction motor is wirelessly connected to the remote control handle.

[0012] Further, the above-mentioned reduction motor is equipped with a frequency converter.

[0013] Compared with the prior art, the present utility model has the following prominent beneficial effects:

[0014] 1. Through the present utility model, during the operation of replacing the wire rope of a bridge crane, the wire rope automatic winding machine of the bridge crane is placed on one side below the trolley. The operator below fixes the wire rope end on the rope roller of the winding machine, and the operator manipulates the remote control handle to rotate forward, reverse, stop, and lift and lower synchronously with the bridge crane at a safe position, without manual rope coiling, reducing the labor intensity of the operator, reducing the working hours of the operator, and effectively improving the work efficiency;

[0015] 2. Eliminate the risk of personnel injury during the process of removing the old wire rope, and reduce the occurrence of safety accidents;

[0016] 3. Convenient, fast, safe and reliable, with a simple structure, easy to implement and not easily damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a right-side perspective structural schematic diagram of the present utility model.

[0018] Figure 2 is a left-side perspective structural schematic diagram of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The present utility model will be further described below in conjunction with the accompanying drawings of the specification and the specific embodiments. In the following text, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the present utility model application. Therefore, the drawings and the description are considered to be exemplary in nature and not restrictive.

[0020] In the following embodiments, unless otherwise clearly specified and defined, terms such as "installation", "connection", "linkage", "fixation", etc. shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral body; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or an indirect connection through an intermediate medium, and can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present utility model application can be understood according to specific circumstances.

[0021] It should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", "end", "side", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the present utility model application and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the embodiments of the present utility model application.

[0022] The present utility model is a special tool for automatic winding of steel wire ropes of a bridge crane, aiming to reduce the labor intensity of personnel, improve the maintenance efficiency, and ensure the operation safety. The maintenance facilities and methods are improved and optimized according to the actual situation of on-site operations, so as to realize mechanized and intelligent maintenance operations and improve the restriction of daily equipment maintenance on production.

[0023] As Figure 1 、 2 As shown in the figure, the present utility model includes a base, a bracket 2, a wire rope roller 4, and a reduction motor 1. For better description, taking the entry and exit of the wire rope 7 as the reference, the front and back directions are set, that is, the side of the bracket 2 is the front, and the side of the wire rope roller 4 is the back.

[0024] The base includes a base 6 and two side beams 5. The bottom of the side beam 5 is fixedly connected to the base 6, and the front and back side walls of the side beam 5 are connected to the base 6 through inclined beams. A motor bracket is provided on one side beam 5, and a reduction motor 1 is installed on the motor bracket. The top end of the side beam 5 is an arc-shaped bearing surface, and a bearing is provided inside the bearing surface.

[0025] The bottom of the bracket 2 is fixedly connected to the base 6. A cross bar 3 is provided in the middle and upper section of the bracket 2. In this embodiment, the bracket 2 is in the shape of a Chinese character "Ri", including a top bar, a cross bar 3, and two side bars. The two ends of the cross bar 3 are rotatably connected to the side bars of the bracket 2. The wire rope 7 enters and exits and travels between the top bar and the cross bar 3, and is in rolling contact with the cross bar 3.

[0026] The wire rope roller 4 includes a roller shaft, a rope frame and retaining rings on both sides. The roller shaft is placed between the two side beams 5 and is connected to the arc-shaped receiving surface at the top of the side beam 5 through a bearing. The transmission side retaining ring is fixedly connected to the roller shaft and the rope frame. The roller shaft is connected to the reduction motor 1 through a flange, and the reduction motor 1 drives the roller shaft to rotate. The non-transmission side retaining ring is detachably connected to the roller shaft and the rope frame.

[0027] The control unit of the reduction motor 1 is connected to the remote control handle signal, and the remote control handle is used to realize the forward rotation, reverse rotation and stop of the reduction motor 1. In the optimization scheme, the control unit 8 of the reduction motor 1 is connected to the remote control handle by wireless signals.

[0028] In this embodiment, the reduction motor 1 is provided with a frequency converter.

[0029] When in use, first place the wire rope 7 winding machine on one side below the bridge crane, parallel to the wire rope 7 below the trolley body (Note: the angle of the wire rope 7 placed below the trolley body should not exceed 45°). After placing it in place, connect the power line and adjust the inverter HZ to match the crane's descent speed. Fix the crane's old rope head on the wire rope roller 4, and the wire rope 7 passes between the top rod and the cross bar 3 of the bracket 2 in front of the rope roller to ensure smooth sliding of the wire rope 7 and prevent the wire rope 7 from slipping out of the rope roller; the operator operates the remote control handle to ensure that the descent speed of the wire rope 7 of the bridge crane is consistent, and after the wire rope 7 is wound around the wire rope roller 4, use wire to tie the wire rope 7 securely; then remove the retaining ring of the wire rope roller 4 on the non-transmission side, and simultaneously remove the flange connection bolts on the transmission side. Use a forklift to fork the wire rope roller 4 to the designated location, the forklift picks up the wire rope 7 retaining ring and slides the wire rope 7 to the designated storage position, and restores the wire rope 7 winding machine device for next use.

[0030] Through the utility model, the automatic winding machine for the wire rope 7 of the bridge crane is placed on one side below the trolley, and the operator below controls the remote control handle in a safe position to rotate forward, reverse, and stop, and to rise and fall synchronously with the bridge crane. There is no need to manually wind the rope, which reduces the labor intensity and working hours of the personnel, and effectively improves the work efficiency; eliminates the risk of injury to personnel in the process of lowering the old rope, and reduces the occurrence of safety accidents; it is convenient, fast, safe and reliable, has a simple structure, is easy to implement, and is not easy to damage.

[0031] It should be noted that matters not described in detail in this embodiment are well-known technologies in the art.

[0032] The above description is only for the purpose of describing the present invention in detail for the specific implementation purpose of the present invention. For those skilled in the art, various obvious changes made to the present invention without departing from the spirit and scope of the present invention are within the protection scope of the present invention.

Claims

1. A special tool for automatic winding of wire rope for bridge crane, characterized by: It includes a base, a bracket, a wire rope roller and a reduction motor; the base includes a base seat and two side beams, the bottom of the side beam is fixedly connected to the base seat, and the front and rear side walls of the side beam are connected to the base seat through inclined beams; a motor bracket is provided on one side beam, and a reduction motor is installed on the motor bracket; the top end of the side beam is an arc-shaped bearing surface, and a bearing is provided inside the bearing surface; the wire rope roller includes a roller shaft, the roller shaft is placed between the two side beams and is connected to the arc-shaped bearing surface at the top end of the side beam through a bearing; the roller shaft is connected to the reduction motor, and the reduction motor drives the roller shaft to rotate; the control unit of the reduction motor is signal-connected to a remote control handle, and the forward rotation, reverse rotation and stop of the reduction motor are realized through the remote control handle.

2. The special tool for automatic winding of steel wire rope for bridge crane according to claim 1, characterized in that: The bottom of the bracket is fixedly connected to the base seat.

3. The special tool for automatic winding of steel wire rope for bridge crane according to claim 2, characterized in that: The bracket is in the shape of a Chinese character 'Ri', and includes a top rod, a cross rod and two side rods.

4. The special tool for automatic winding of steel wire rope for bridge crane according to claim 3 is characterized in that: Both ends of the cross rod are rotatably connected to the side rods of the bracket.

5. The special tool for automatic winding of steel wire rope for bridge crane according to claim 1, characterized in that: The wire rope roller further includes a rope bracket and two side retaining rings. The driving side retaining ring is fixedly connected to the roller shaft and the rope bracket, and the roller shaft is connected to the reduction motor through a flange; the non-driving side retaining ring is detachably connected to the roller shaft and the rope bracket.

6. The special tool for automatic winding of steel wire rope of bridge crane according to claim 1, characterized in that: The control unit of the reduction motor is wirelessly signal-connected to the remote control handle.

7. The special tool for automatic winding of steel wire rope for bridge crane according to claim 1, characterized in that: The reduction motor is equipped with a frequency converter.

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