Walking mechanism of single-beam steel wire rope electric hoist

Abstract

The utility model relates to the technical field of hoisting equipment, and particularly discloses a traveling mechanism of a single-beam steel wire rope electric hoist, which comprises a support frame, a steel wire rope winding component and a traveling motor, the support frame comprises side plates arranged in pairs and vertical beams fixed at the front and rear ends of the side plates, and wheel shaft holes are respectively arranged at the front and rear ends of the middle parts of the side plates; a rectangular hole and a sleeve hole are formed in the upper side and the lower side of a wheel shaft hole in the front end respectively, supporting bases are arranged at the top and the bottom of the outer side of the rectangular hole respectively, and a walking motor is fixed to one supporting base on the upper side. The vertical shafts are rotationally sleeved with the supporting seats, and power output shafts of the walking motors are fixedly butted with the corresponding vertical shafts; the driving wheel is arranged between the two supporting seats and is fixedly connected with the vertical shaft in a sleeving manner; the supporting wheels are rotationally mounted in the wheel shaft holes; the two ends of the linkage transverse shaft are rotationally sleeved with the sleeve holes respectively. The right-angle converter is fixed on the outer side wall of the side plate, one shaft body is fixedly butted with the linkage transverse shaft, and the other shaft body is fixedly butted with the bottom end of the vertical shaft; therefore, stable and smooth walking of the steel wire rope electric hoist is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting equipment, in particular to a traveling mechanism of a single-beam steel wire rope electric hoist. Background Art

[0002] Wire rope electric hoist is a small lifting equipment with the advantages of compact structure, light weight, small size, strong versatility of parts and easy operation. It is mainly used for various lifting, pulling, loading and unloading of heavy objects.

[0003] Among the wire rope electric hoists, the European electric hoist is a special lifting equipment widely used in industrial and mining enterprises, warehouses, docks and other places. This type of wire rope electric hoist includes a traveling frame and a wire rope drum and a driving motor respectively fixed on both sides of the traveling frame. The bottom of both sides of the traveling frame are respectively provided with a wire rope end fixing mechanism and a guide pulley, and also includes a pulley hook assembly. The steel wire is wound on the drum, and the free end of the wire rope is successively passed around the pulley on one side of the pulley hook assembly, the guide pulley, and the pulley on the other side of the pulley hook assembly and then fixed on the lifting section fixing mechanism; the two side walls of the top of the inner cavity of the traveling frame are respectively provided with support wheels, and the support wheels are respectively supported on the edges of the bottom ends of both sides of the monorail beam, and the driving motor drives the support wheels to rotate, so that the electric hoist can move along the monorail beam as a whole to lift heavy objects.

[0004] However, for this type of wire rope electric hoist, in order to simplify the structure and reduce the weight, generally only one drive motor is installed. The drive motor is installed on the other side of the wire rope drum. The motor directly drives the support wheel on the corresponding side. The single-wheel drive can easily cause the electric hoist to run unsteadily and unsmoothly when it moves along the monorail beam. Utility Model Content

[0005] The utility model aims to provide a traveling mechanism of a single-beam electric wire rope hoist, which is used to solve the problem in the prior art that the electric wire rope hoist is difficult to travel steadily and smoothly along the monorail beam.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a walking mechanism of a single-beam wire rope electric hoist, comprising a support frame, a wire rope winding assembly and a walking motor arranged on both sides of the support frame, the support frame comprising a pair of parallel side panels and vertical beams fixed to the front and rear ends of the outer side walls of the side panels, the front and rear ends of the middle part of the side panels are respectively provided with wheel axle holes, the upper and lower sides of the wheel axle holes at the front end are respectively provided with rectangular openings and sleeve holes, the outer side walls of the side panels are respectively provided with support seats at positions corresponding to the upper and lower sides of the rectangular openings, and the walking motor is fixed to one of the upper supports On the support seat; the top and the middle part of the vertical axis are rotatably connected with the corresponding support seat respectively, and the power output shaft of the walking motor is fixedly connected with the top end of the corresponding vertical axis; the driving wheel is arranged between the two opposite support seats and is fixedly connected with the vertical axis; the outer ends of the support wheel axles are rotatably connected in the wheel axle holes respectively; the two ends of the linkage horizontal axis are rotatably connected in the sleeve holes respectively; the right-angle converter is fixed to the outer wall of the side plate and one shaft is fixedly connected with the end of the linkage horizontal axis, and the other shaft of the right-angle converter is fixedly connected with the bottom end of the vertical axis.

[0007] Preferably, the linkage horizontal axis includes a sleeve rotatably mounted in the sleeve hole and having its outer end fixedly docked with the corresponding shaft of the right-angle converter, and a horizontal prism with both ends axially slidably mounted in the sleeve.

[0008] Preferably, both ends of the horizontal prism are respectively provided with strip grooves extending in the axial direction, and the outer peripheral wall of the sleeve is provided with a plurality of screw holes at positions corresponding to the strip grooves, and the inner threads of the screw holes are provided with positioning bolts.

[0009] Preferably, a connecting rod is respectively sleeved between the bottom ends of the front and rear portions of the two side panels.

[0010] Preferably, the horizontal prism is one of a quadrangular prism, a pentagonal prism and a hexagonal prism.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model relates to a walking mechanism of a single-beam steel wire rope electric hoist, which is supported on the edges on both sides of the bottom of a monorail beam by supporting wheels, and the driving wheels realize the overall operation of the electric hoist by rolling friction with the two side walls of the monorail beam, thereby realizing the stable and smooth movement of the steel wire rope electric hoist along the monorail beam. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the main structure of the utility model as a whole;

[0014] Figure 2 It is a three-dimensional structural schematic diagram of the support frame of the utility model;

[0015] Figure 3 It is a three-dimensional structural schematic diagram of the linkage horizontal axis of the utility model.

[0016] In the figure: 1-support frame; 1.1-side plate; 1.1.1-axle hole; 1.1.2-sleeve hole; 1.1.3-rectangular opening; 1.2-vertical beam; 1.3-connecting rod; 1.4-support seat;

[0017] 2-Wire rope winding assembly;

[0018] 3-Travel motor;

[0019] 4- Support wheels;

[0020] 5- driving wheel;

[0021] 6-linked horizontal axis; 6.1-horizontal prism; 6.1.1-strip groove; 6.2-shaft sleeve; 6.2.1-screw hole; 6.3-positioning bolt;

[0022] 7-Right angle converter;

[0023] 8-Vertical axis. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-3 The utility model provides a technical solution, a walking mechanism of a single-beam wire rope electric hoist, including a support frame 1 and a wire rope winding assembly 2 and a walking motor 3 arranged on both sides of the support frame 1. The support frame 1 includes a pair of parallel side panels 1.1 and a vertical beam 1.2 fixed to the front and rear ends of the outer side walls of the side panels 1.1. The front and rear ends of the middle part of the side panels 1.1 are respectively provided with axle holes 1.1.1, and the upper and lower sides of the front axle hole 1.1.1 are respectively provided with rectangular openings 1.1.3 and sleeve holes 1.1.2, and the outer side walls of the side panels 1.1 are respectively provided with support seats 1.4 at the positions corresponding to the upper and lower sides of the rectangular opening 1.1.3.

[0026] The travel motor 3 is fixed on one of the upper support seats 1.4; the top and middle parts of the vertical shaft 8 are rotatably connected with the corresponding support seats 1.4 respectively, and the power output shaft of the travel motor 3 is fixedly connected with the top of the corresponding vertical shaft 8; the driving wheel 5 is arranged between the two opposite support seats 1.4 and is fixedly connected with the vertical shaft 8; the outer ends of the wheel axles of the support wheels 4 are rotatably connected in the wheel axle holes 1.1.1 respectively; the two ends of the linkage horizontal shaft 6 are rotatably connected in the sleeve holes 1.1.2 respectively; the right-angle converter 7 is fixed to the outer wall of the side plate 1.1 and one shaft body is fixedly connected with the end of the linkage horizontal shaft 6, and the other shaft body of the right-angle converter 7 is fixedly connected with the bottom end of the vertical shaft 8.

[0027] In summary, the four support wheels 4 are supported on the edges of the bottom ends of both sides of the monorail beam, and the driving wheels 5 are respectively rolled and rubbed with the two side walls of the monorail beam. The travel motor 3 first drives the driving wheel 5 on one side to rotate through the corresponding vertical shaft 8, and at the same time, the bottom end of the vertical shaft 8 on the side drives the driving wheel 5 on the other side to rotate through the right-angle converter 7 on the corresponding side, the linkage horizontal shaft 6, the right-angle converter 7 on the other side and the vertical shaft 8 on the other side, thereby realizing the synchronous rotation of the driving wheels 5 on both sides to ensure that the wire rope electric hoist can run steadily and smoothly along the monorail beam.

[0028] The linkage horizontal axis 6 includes a sleeve 6.2 which is rotatably mounted in the sleeve hole 1.1.2 and whose outer end is fixedly connected to the corresponding shaft of the right-angle converter 7, and a horizontal prism 6.1 which is slidably mounted in the sleeve 6.2 along the axial direction at both ends. The two ends of the horizontal prism 6.1 are respectively provided with strip grooves 6.1.1 extending along the axial direction, and the outer peripheral wall of the sleeve 6.2 is provided with a plurality of screw holes 6.2.1 at positions corresponding to the strip grooves 6.1.1, and the inner threads of the screw holes 6.2.1 are mounted with positioning bolts 6.3. Among them, the horizontal prism 6.1 is one of a quadrangular prism, a pentagonal prism, and a hexagonal prism. That is, the relative sleeve movement between the two ends of the horizontal prism 6.1 and the sleeve 6.2 can be adjusted to make the length of the linkage horizontal axis 6 flexible and adjustable, so that the wire rope electric hoist can be assembled on monorail beams of different widths.

[0029] In order to improve the overall rigidity and strength of the support frame 1, connecting rods 1.3 are respectively sleeved between the bottom ends of the front and rear parts of the two side panels 1.1.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A walking mechanism of a single-beam wire rope electric hoist, comprising a support frame (1), a wire rope winding assembly (2) and a walking motor (3) arranged on both sides of the support frame (1), characterized in that: The support frame (1) comprises a pair of side panels (1.1) arranged in parallel and a vertical beam (1.2) fixed to the front and rear ends of the outer side walls of the side panels (1.1); the front and rear ends of the middle part of the side panels (1.1) are respectively provided with wheel axle holes (1.1.1); the upper and lower sides of the wheel axle holes (1.1.1) at the front end are respectively provided with rectangular openings (1.1.3) and sleeve holes (1.1.2); the outer side walls of the side panels (1.1) are respectively provided with support seats (1.4) at positions corresponding to the upper and lower sides of the rectangular openings (1.1.3); and the travel motor (3) is fixed to one of the upper support seats (1.4); Also includes: A vertical shaft (8), the top and middle of the vertical shaft (8) are respectively rotatably sleeved with the corresponding support seat (1.4), and the power output shaft of the travel motor (3) is fixedly connected to the top of the corresponding vertical shaft (8); A driving wheel (5), the driving wheel (5) being arranged between the two opposite supporting seats (1.4) and being fixedly sleeved with the vertical shaft (8); Support wheels (4), the outer ends of the wheel axles of the support wheels (4) being rotatably mounted in the wheel axle holes (1.1.1); A linkage horizontal axis (6), the two ends of which are rotatably sleeved in the sleeve holes (1.1.2); A right angle converter (7), wherein the right angle converter (7) is fixed to the outer side wall of the side plate (1.1) and one shaft is fixedly connected to the end of the linkage horizontal axis (6), and the other shaft of the right angle converter (7) is fixedly connected to the bottom end of the vertical axis (8).

2. The traveling mechanism of a single-beam electric wire rope hoist according to claim 1 is characterized in that: The linkage horizontal axis (6) comprises a shaft sleeve (6.2) which is rotatably sleeved in the sleeve hole (1.1.2) and whose outer end is fixedly connected to the corresponding shaft body of the right-angle converter (7), and a horizontal prism (6.1) whose two ends are axially slidably sleeved in the shaft sleeve (6.2).

3. The traveling mechanism of a single-beam electric wire rope hoist according to claim 2 is characterized in that: Both ends of the horizontal prism (6.1) are respectively provided with strip grooves ( 6.1.1), a plurality of screw holes (6.2.1) are arranged on the outer peripheral wall of the shaft sleeve (6.2) at positions corresponding to the strip grooves (6.1.1), and positioning bolts (6.3) are sleeved on the inner threads of the screw holes (6.2.1).

4. The traveling mechanism of a single-beam electric wire rope hoist according to claim 1 is characterized in that: A connecting rod (1.3) is sleeved between the bottom ends of the front and rear parts of the two side panels (1.1) respectively.

5. The traveling mechanism of a single-beam electric wire rope hoist according to claim 2 is characterized in that: The horizontal prism (6.1) is one of a quadrangular prism, a pentagonal prism and a hexagonal prism.

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