Electric hoist for double-beam European style crane

Abstract

The utility model discloses an electric hoist for a double-beam European-style crane, and relates to the technical field of cranes, in particular to the electric hoist for the double-beam European-style crane, which comprises an electric hoist main body, a movable frame arranged at the top of the electric hoist main body and a steel wire rope pressing mechanism positioned at the bottom of the electric hoist main body, a moving mechanism is arranged on the moving frame, and a dust removing and lubricating mechanism is arranged on the moving frame. According to the electric hoist for the double-beam European-style crane, due to the arrangement of the dust removal and lubrication mechanism, the problems that impurities such as dust on the cross beam enter a transmission part of a moving wheel when the electric hoist moves on the cross beam, large noise is generated in the moving process due to the fact that lubricating oil is little, and the service life of a transmission assembly is shortened are solved; and through arrangement of a steel wire rope pressing mechanism, the steel wire rope can be pressed during winding during use, a sliding frame and a limiting groove can prevent the steel wire rope from shaking greatly when the steel wire rope lifts a heavy object, and the use safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cranes, in particular to an electric hoist for a double-beam European crane. Background Art

[0002] Electric hoist is a special lifting equipment, installed on the overhead crane and gantry crane. Electric hoist has the characteristics of small size, light weight, simple operation and convenient use. It is used in industrial and mining enterprises, warehouses, docks and other places. The electric hoist has a compact structure. The electric hoist with the motor axis perpendicular to the drum axis adopts a worm gear transmission device. Its disadvantages are: large length and width, bulky structure, low mechanical efficiency, difficult processing, etc. The hydraulic system is double-controlled, and the overflow regulating valve and magnetic contact pressure gauge can accurately control the pressure. The electrical control department adopts low-voltage control to increase the safety of the control system. The structure and characteristics of the wire rope electric hoist: The machine adopts mechatronics design. By replacing different molds, wire ropes of different specifications can be pressed. The control is simple and safe; it is convenient to inspect, install and maintain the motor. Its main disadvantages are poor heat dissipation conditions of the motor, poor grouping, and complex power supply device, manufacturing and assembly.

[0003] An electric hoist for a double-beam European crane disclosed in the Chinese utility model patent application disclosure CN219689205U has the advantages of being easy to install and disassemble when in use and preventing the goods from sliding down when the power is off, but still has the following defects: First, when in use, since the main body and the drum of the electric hoist are exposed to the outside, its transmission part is prone to dust after long-term use, which affects the lubrication transmission effect, resulting in a decrease in its service life and generates a lot of noise; second, the wire rope of the electric hoist is not provided with a rope protection mechanism when lifting heavy objects, resulting in a more obvious swing of the wire rope when the object is tilted and lifted, which makes it easy for the wire rope to be misaligned when it is wound on the drum, resulting in deformation of the wire rope and a decrease in its service life. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an electric hoist for a double-beam European crane, which solves the problems raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: an electric hoist for a double-beam European crane, comprising an electric hoist body, a moving frame arranged on the top of the electric hoist body, and a wire rope clamping mechanism located at the bottom of the electric hoist body, wherein a drum and a wire rope are arranged inside the electric hoist body, a drum motor is arranged on one side of the drum, the moving frame is fixedly connected to the top of the electric hoist body, a moving mechanism is arranged on the moving frame, the moving mechanism consists of a transmission motor and a moving wheel, a dust removal and lubrication mechanism is arranged on the moving frame, the dust removal and lubrication mechanism is arranged on one side of the moving wheel, the dust removal and lubrication mechanism consists of a side dust removal motor, a dust removal brush, a lubricating oil storage tank, a sealing cover and a double-end oil drain pipe, the wire rope clamping mechanism consists of a bottom groove opened at the bottom of the electric hoist body and an abutting roller arranged inside the bottom groove, a connecting frame is fixedly connected to the bottom of the electric hoist body, an internal slide groove is arranged inside the connecting frame, and a sliding frame is arranged inside the internal slide groove.

[0006] Optionally, an outer cover plate is hinged on the outer side of the electric hoist body, and the outer cover plate is arranged on the outside of the drum. The drum and the drum motor are transmission connected, the wire rope is wound on the drum, and the wire rope is evenly distributed on the drum.

[0007] Optionally, the moving wheels are arranged on the inner side of the moving frame, and there are four groups of moving wheels symmetrically distributed inside the moving frame. The moving wheels on one side are connected to the transmission motor, and the moving wheels on the other side are rotatably connected to the inner side of the moving frame through the transmission shaft. The side dust removal motor is fixedly mounted on the outer wall of the moving frame, and the side dust removal motor is connected to the dust removal brush, and the bottom of the moving wheel is at the same height as the bottom of the dust removal brush.

[0008] Optionally, the lubricating oil storage tank is fixedly connected to the inner wall of the movable frame, and a sealing cover is installed on the top of the lubricating oil storage tank, a double-ended oil drain pipe is connected to the bottom of the lubricating oil storage tank, and the top of the double-ended oil drain pipe is connected to the bottom of the lubricating oil storage tank, and lubricating oil is arranged inside the lubricating oil storage tank, and rolling steel balls are arranged at the two oil drain ends of the double-ended oil drain pipe, and the rolling steel balls abut against the connection between the movable wheel and the transmission shaft.

[0009] Optionally, two groups of abutment rollers are provided, symmetrically distributed on the inner wall of the bottom groove and rotatably connected to the inner wall of the bottom groove. The distance between the two abutment rollers is consistent with the diameter of the reel, and anti-slip grooves are provided on the abutment rollers.

[0010] Optionally, two groups of internal slide grooves are provided, and the distance between the two groups of internal slide grooves is greater than the distance between the two abutment rollers. Balls are installed on the inner side wall and top of the sliding frame, and the balls abut against the inner top wall and inner side wall of the internal slide groove. A limiting groove is provided on the sliding frame, and two limiting grooves are provided, and the distance between the two limiting grooves is consistent with the distance between the two abutment rollers. Beneficial Effects

[0011] The utility model provides an electric hoist for a double-beam European crane, which has the following beneficial effects:

[0012] 1. The electric hoist for double-beam European crane is equipped with a dust removal and lubrication mechanism. When in use, the crossbeam of the crane can be cleaned by a dust removal brush, and the double-end oil drain pipe can automatically add lubricating oil to the moving wheel when it moves, so as to prevent dust and other impurities on the crossbeam from entering the transmission part of the moving wheel when the electric hoist moves on the crossbeam, and prevent the problem of less lubricating oil causing loud noise during movement and shortening the service life of the transmission components, thereby improving the service life and noise reduction effect.

[0013] 2. The electric hoist for the double-beam European crane can tighten the wire rope when it is reeled in through the setting of the wire rope clamping mechanism, so as to prevent the problem of the wire rope being tangled and squeezed, which may reduce its service life. In addition, the setting of the sliding frame and the limit groove can prevent the wire rope from shaking greatly when lifting heavy objects, which may cause the center of gravity of the electric hoist body to be unstable and tilt, thereby improving the safety of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0015] Figure 2 This is a side view of the structure of the utility model;

[0016] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure of the middle part A;

[0017] Figure 4 It is a top view structural schematic diagram of the connecting frame of the utility model;

[0018] Figure 5 It is a three-dimensional structural schematic diagram of the wire rope clamping mechanism of the utility model.

[0019] In the figure: 1. Electric hoist body; 2. Moving frame; 3. Drum motor; 4. Drum; 5. Wire rope; 6. Outer cover plate; 7. Transmission motor; 8. Moving wheel; 9. Side dust removal motor; 10. Dust removal brush; 11. Lubricating oil storage tank; 12. Sealing cover; 13. Double-end oil drain pipe; 14. Bottom groove; 15. Abutment roller; 16. Connecting frame; 17. Internal slide groove; 18. Sliding frame; 19. Limiting groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Example 1

[0021] See also Figures 1 to 5 The utility model provides a technical solution: an electric hoist for a double-beam European crane, comprising an electric hoist body 1, a mobile frame 2 arranged on the top of the electric hoist body 1, and a wire rope clamping mechanism located at the bottom of the electric hoist body 1, a drum 4 and a wire rope 5 are arranged inside the electric hoist body 1, an outer cover plate 6 is hinged on the outer side of the electric hoist body 1, and the outer cover plate 6 is arranged on the outside of the drum 4, the drum 4 is transmission-connected to the drum motor 3, the wire rope 5 is wound on the drum 4, and the wire rope 5 is evenly distributed on the drum 4, and one side of the drum 4 A drum motor 3 is provided, a mobile frame 2 is fixedly connected to the top of the electric hoist body 1, a mobile mechanism is provided on the mobile frame 2, and the mobile mechanism consists of a transmission motor 7 and a mobile wheel 8, the mobile wheel 8 is arranged on the inner side of the mobile frame 2, and the mobile wheel 8 is symmetrically distributed in four groups inside the mobile frame 2, the mobile wheel 8 on one side is connected to the transmission motor 7 by transmission, and the mobile wheel 8 on the other side is connected to the inner side of the mobile frame 2 by rotation through the transmission shaft, and the side dust removal motor 9 is fixedly installed on the outer wall of the mobile frame 2, and the side dust removal motor 9 is connected to the dust removal brush 10 by transmission. The bottom of the moving wheel 8 is at the same height as the bottom of the dust removal brush 10. A dust removal lubrication mechanism is provided on the moving frame 2. The dust removal lubrication mechanism is arranged on one side of the moving wheel 8. The dust removal lubrication mechanism is composed of a side dust removal motor 9, a dust removal brush 10, a lubricating oil storage tank 11, a sealing cover 12 and a double-ended oil drain pipe 13. The lubricating oil storage tank 11 is fixedly connected to the inner wall of the moving frame 2, and the sealing cover 12 is installed on the top of the lubricating oil storage tank 11. The double-ended oil drain pipe 13 is connected to the bottom of the lubricating oil storage tank 11, and the top of the double-ended oil drain pipe 13 It is connected to the bottom of the lubricating oil storage tank 11, and the lubricating oil storage tank 11 is provided with lubricating oil. Rolling steel balls are provided at the two oil discharge ends of the double-ended oil discharge pipe 13, and the rolling steel balls abut against the connection between the moving wheel 8 and the transmission shaft. The wire rope clamping mechanism consists of a bottom groove 14 opened at the bottom of the electric hoist body 1 and an abutting roller 15 arranged inside the bottom groove 14. A connecting frame 16 is fixedly connected to the bottom of the electric hoist body 1, an internal slide groove 17 is provided inside the connecting frame 16, and a sliding frame 18 is provided inside the internal slide groove 17.

[0022] When in use, when using the electric hoist, the controller controls the moving frame 2 on the electric hoist body 1 to move on the crossbeam, and the transmission motor 7 drives the moving wheel 8 to move on the crossbeam during movement, and then the dust removal and lubrication mechanism is started, and the side dust removal motor 9 is started, and the side dust removal motor 9 drives the dust removal brush 10, so that the dust removal brush 10 cleans the track surface on the crossbeam to remove impurities and dust on the surface, and prevents dust from entering the transmission part of the moving mechanism to cause lubricating oil pollution. When the moving wheel 8 moves, the ball inside the double-ended oil drain pipe 13 abutting the connection between the moving wheel 8 and the transmission shaft makes the lubricating oil inside the lubricating oil storage tank 11 flow to the ball through the double-ended oil drain pipe 13, and then slides from the ball into the moving wheel 8, so as to automatically lubricate the moving wheel 8, thereby improving the lubrication effect and effectively reducing the noise generated by the electric hoist body 1 when moving. Example 2

[0023] See also Figures 1 to 5 The utility model provides a technical solution: two groups of abutment rollers 15 are provided, which are symmetrically distributed on the inner wall of the bottom groove 14 and are rotatably connected to the inner wall of the bottom groove 14. The distance between the two abutment rollers 15 is consistent with the diameter of the reel 4, and the abutment rollers 15 are provided with anti-slip grooves. Two groups of internal slide grooves 17 are provided, and the distance between the two groups of internal slide grooves 17 is greater than the distance between the two abutment rollers 15. Balls are installed on the inner side wall and top of the sliding frame 18, and the balls abut against the inner top wall and inner side wall of the internal slide groove 17. A limiting groove 19 is provided on the sliding frame 18, and two limiting grooves 19 are provided, and the distance between the two limiting grooves 19 is consistent with the distance between the two abutment rollers 15.

[0024] During use, when the wire rope 5 is lifting a heavy object, the wire rope 5 is limited by the limiting groove 19 on the sliding frame 18 to prevent the wire rope 5 from shaking too much when being received into the drum 4, thereby improving the safety of use. When winding the wire rope 5, the abutment roller 15 inside the bottom groove 14 is consistent with the width of the drum 4, so that the abutment roller 15 can abut the wire rope 5 against the drum 4 without misalignment, thereby preventing the wire rope 5 from being squeezed and improving the service life of the wire rope 5.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An electric hoist for a double-beam European crane, comprising an electric hoist body, a moving frame arranged on the top of the electric hoist body, and a wire rope clamping mechanism located at the bottom of the electric hoist body, characterized in that: A drum and a wire rope are provided inside the electric hoist body, a drum motor is provided on one side of the drum, a moving frame is fixedly connected to the top of the electric hoist body, a moving mechanism is provided on the moving frame, the moving mechanism is composed of a transmission motor and a moving wheel, a dust removal and lubrication mechanism is provided on the moving frame, the dust removal and lubrication mechanism is provided on one side of the moving wheel, the dust removal and lubrication mechanism is composed of a side dust removal motor, a dust removal brush, a lubricating oil storage tank, a sealing cover and a double-end oil drain pipe, the wire rope clamping mechanism is composed of a bottom groove opened at the bottom of the electric hoist body and an abutting roller provided inside the bottom groove, a connecting frame is fixedly connected to the bottom of the electric hoist body, an internal slide groove is provided inside the connecting frame, and a sliding frame is provided inside the internal slide groove.

2. The electric hoist for a double-beam European crane according to claim 1, characterized in that: An outer cover plate is hinged on the outer side of the electric hoist body, and the outer cover plate is arranged outside the drum. The drum and the drum motor are transmission connected, and the wire rope is wound on the drum, and the wire rope is evenly distributed on the drum.

3. The electric hoist for a double-beam European crane according to claim 1, characterized in that: The moving wheels are arranged on the inner side of the moving frame, and there are four groups of moving wheels symmetrically distributed inside the moving frame. The moving wheels on one side are connected to the transmission motor, and the moving wheels on the other side are rotatably connected to the inner side of the moving frame through the transmission shaft. The side dust removal motor is fixedly installed on the outer wall of the moving frame, and the side dust removal motor is connected to the dust removal brush, and the bottom of the moving wheel is at the same height as the bottom of the dust removal brush.

4. The electric hoist for a double-beam European crane according to claim 3, characterized in that: The lubricating oil storage tank is fixedly connected to the inner wall of the movable frame, and a sealing cover is installed on the top of the lubricating oil storage tank, a double-end oil drain pipe is connected to the bottom of the lubricating oil storage tank, and the top of the double-end oil drain pipe is connected to the bottom of the lubricating oil storage tank, and lubricating oil is arranged inside the lubricating oil storage tank, and rolling steel balls are arranged at the two oil drain ends of the double-end oil drain pipe, and the rolling steel balls abut against the connection between the movable wheel and the transmission shaft.

5. The electric hoist for a double-beam European crane according to claim 1, characterized in that: Two groups of abutment rollers are provided, symmetrically distributed on the inner wall of the bottom groove and rotatably connected to the inner wall of the bottom groove. The distance between the two abutment rollers is consistent with the diameter of the reel, and anti-slip grooves are provided on the abutment rollers.

6. The electric hoist for a double-beam European crane according to claim 1, characterized in that: There are two groups of internal slide grooves, and the distance between the two groups of internal slide grooves is greater than the distance between the two abutment rollers. Balls are installed on the inner side wall and top of the sliding frame, and the balls abut against the inner top wall and inner side wall of the internal slide groove. A limiting groove is provided on the sliding frame. There are two limiting grooves, and the distance between the two limiting grooves is consistent with the distance between the two abutment rollers.

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