Electric hoist single-beam crane trolley

Abstract

The utility model relates to the technical field of hoisting equipment, and particularly discloses an electric hoist single-beam crane trolley which is characterized in that a trolley frame comprises a horizontal plate body, side plates fixed on two sides of the top surface of the horizontal plate body and end plates fixed at the front end and the rear end of the bottom surface of the horizontal plate body; the winding assembly is fixed to the end plate. Supporting wheels are rotatably mounted on the inner sides of the rear portions of the top ends of the side plates. Each walking wheel comprises a wheel with the outer end of a wheel shaft rotatably sleeving the front portion of the top end of the corresponding side plate and a driven gear fixedly sleeving the wheel shaft on the outer side of the wheel. A walking motor is fixed to the front end face of a T-shaped steering gear fixed to the middle of the top face of the horizontal plate body, a power output shaft of the walking motor is fixedly in butt joint with a power input shaft of the T-shaped steering gear, the power output shafts on the two sides of the T-shaped steering gear are fixedly in butt joint with shaft rods respectively, and the positions, close to the outer ends, of the shaft rods are fixedly sleeved with driving gears meshed with the driven gears. The problem that the electric hoist single-beam crane is difficult to stably and smoothly walk along the track is well solved.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting equipment, in particular to an electric hoist single-beam crane trolley. Background Art

[0002] The electric hoist single-beam crane is a small lifting equipment with the advantages of compact structure, light weight, small size, strong versatility of parts and convenient operation. It consists of a trolley running along a single track, a wire rope winding assembly installed at the bottom of the trolley and a hook assembly, which is mainly used for lifting, pulling, loading and unloading heavy objects.

[0003] At present, the trolley of the commonly used electric hoist single-beam crane generally includes a frame, running wheels rotatably installed on the inner side of the frame and supported on the bottom end edges on both sides of the single-beam track, a driving device is arranged on one side of the frame, and the power output shaft of the driving device is fixedly connected to the wheel axle of the corresponding running wheel.

[0004] However, the driving device can only drive the traveling wheels on one side of the single-beam track to roll along the track, which may cause the trolley to become stuck when moving, making it difficult to move steadily and smoothly. Utility Model Content

[0005] The utility model aims to provide an electric hoist single-beam crane trolley, which is used to solve the problem in the prior art that the electric hoist single-beam crane is difficult to move along the track steadily and smoothly.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric hoist single-beam crane trolley, comprising a frame, a wire rope, a hook and a winding assembly for reeling and unreeling the wire rope, the frame comprising a horizontal plate body, side plates vertically fixed to both sides of the top surface of the horizontal plate body and end plates vertically fixed to the front and rear ends of the bottom surface of the horizontal plate body; the winding assembly is fixed to the end plate; a support wheel is rotatably installed on the inner side of the rear end of the top end of the side plate, and a walking wheel is rotatably installed on the inner side of the front end of the top end of the side plate, the walking wheel The walking wheel includes a roller whose outer end of the wheel axle is rotatably mounted on the side plate and a driven gear fixedly mounted on the wheel axle outside the roller; a T-type steering gear is fixed to a position corresponding to the walking wheel in the middle of the top surface of the horizontal plate body, a walking motor is fixed to the front end surface of the T-type steering gear, a power output shaft of the walking motor is fixedly connected to a power input shaft of the T-type steering gear, the power output shafts on both sides of the T-type steering gear are fixedly connected to shafts respectively, and a driving gear meshing with the driven gear is fixedly mounted near the outer end of the shaft.

[0007] Preferably, the outer ends of the shafts are rotatably sleeved on the bottoms of the front ends of the side panels.

[0008] Preferably, at least two of the support wheels are rotatably mounted on the inner sides of the rear portions of the side panels.

[0009] Preferably, the winding assembly includes a drum whose front and rear ends of the central axis are rotatably mounted on the end plate respectively, and a winding drive member fixed to the front wall of the end plate on the front side and whose power output shaft is fixedly connected to the front end of the central axis of the drum, and the drum is equipped with a rope reel.

[0010] Preferably, a fixing ring is fixedly connected to the front end of the bottom surface of the horizontal plate body, a pulley is provided in the middle part of the rear end of the bottom surface of the horizontal plate body, the hook member is a double-wheel hook, and the free end of the wire rope passes through the rope reel and passes through the groove wheel at the front of the hook member, the pulley, and the groove wheel at the rear of the hook member in sequence before being fixed to the fixing ring.

[0011] Preferably, an ear seat is fixed at the middle of the rear end of the bottom surface of the horizontal plate body, the ear seat is rotatably connected to a wheel frame, and the pulley is rotatably installed at the bottom of the inner cavity of the wheel frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model relates to an electric hoist single-beam crane trolley in which a traveling motor drives shafts on both sides to rotate synchronously through a T-type steering gear, and then drives traveling wheels on both sides to roll synchronously through the meshing relationship between a driving gear and a driven gear, so as to realize the electric hoist single-beam crane to travel steadily and smoothly along a track. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0015] Figure 2 It is a three-dimensional structural schematic diagram of the frame of the utility model;

[0016] Figure 3 It is a three-dimensional structural schematic diagram of the travel wheel of the utility model.

[0017] In the figure: 1-frame; 1.1-horizontal plate; 1.2-side plate; 1.3-end plate; 1.4-fixing ring; 1.5-ear seat; 1.6-wheel frame; 1.7-pulley;

[0018] 2-Support wheels;

[0019] 3-travel wheel; 3.1-roller; 3.2-driven gear;

[0020] 4-winding assembly; 4.1-reel; 4.2-winding drive member;

[0021] 5-Wire rope;

[0022] 6- hook piece;

[0023] 7-T type steering gear;

[0024] 8- shaft rod;

[0025] 9- driving gear;

[0026] 10-Travel motor. DETAILED DESCRIPTION

[0027] 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.

[0028] See also Figure 1-3 The utility model provides a technical solution, an electric hoist single-beam crane trolley, comprising a frame 1, a steel wire rope 5, a hook 6 and a winding assembly 4 for reeling and unreeling the steel wire rope 5. The frame 1 comprises a horizontal plate 1.1, side plates 1.2 vertically fixed to both sides of the top surface of the horizontal plate 1.1 and end plates 1.3 vertically fixed to the front and rear ends of the bottom of the horizontal plate 1.1; a fixing ring 1.4 is fixedly connected to the front end of the bottom of the horizontal plate 1.1, an ear seat 1.5 is fixed to the middle of the rear end of the bottom surface of the horizontal plate 1.1, a wheel frame 1.6 is rotatably connected to the ear seat 1.5, and a pulley 1.7 is rotatably installed at the bottom of the inner cavity of the wheel frame 1.6.

[0029] The winding assembly 4 includes a drum 4.1 whose front and rear ends of the central axis are respectively rotatably mounted on the end plate 1.3, and a winding drive 4.2 fixed to the front wall of the front end plate 1.3 and whose power output shaft is fixedly docked with the front end of the central axis of the drum 4.1. The drum 4.1 is equipped with a rope reel. Among them, the hook 6 is a double-wheel hook. After the free end of the wire rope 5 passes through the rope reel, it passes through the groove wheel at the front of the hook 6, the pulley 1.7, and the groove wheel at the rear of the hook 6 in sequence and is fixed on the fixed ring 1.4. That is, the winding drive 4.2 is composed of a motor and a reduction gear box. The winding drive 4.2 can drive the drum 4.1 to rotate in both positive and negative directions, thereby realizing the winding and unwinding operations of the wire rope 5. When the wire rope 5 is wound and unwound, the rope reel is used to arrange the rope, and the pulley 1.7 and the groove wheels on both sides of the double-wheel hook are used to guide it, so as to realize the smooth lifting and lowering of the heavy object.

[0030] The support wheel 2 is rotatably mounted on the inner side of the rear portion of the top end of the side plate 1.2, and at least two support wheels 2 are rotatably mounted on the inner side of the rear portion of the side plate 1.2.

[0031] The running wheel 3 includes a roller 3.1 located inside the side plate 1.2 and having an outer end of the wheel axle rotatably mounted on the front end of the top of the side plate 1.2, and a driven gear 3.2 fixedly mounted on the outer wheel axle of the roller 3.1. The supporting wheel 2 and the roller 3.1 are respectively supported on the edges of the bottom ends of both sides of the single beam track.

[0032] The T-type steering gear 7 is fixed to the middle of the top surface of the horizontal plate body 1.1 and to a position corresponding to the running wheel 3 by means of bolts.

[0033] The travel motor 10 is fixed to the front end surface of the T-shaped steering gear 7 , and the power output shaft of the travel motor 10 is fixedly connected to the power input shaft of the T-shaped steering gear 7 .

[0034] The inner ends of the shaft rod 8 are fixedly connected to the power output shafts on both sides of the T-type steering gear 7. The outer ends of the shaft rod 8 are rotatably sleeved on the bottom of the front end of the side plate 1.2. The side plate 1.2 plays a role in supporting the outer ends of the shaft rod 8.

[0035] The driving gear 9 is meshed with the driven gear 3 . 2 , and the driving gear 9 is fixedly sleeved on a position close to the outer end of the shaft 8 .

[0036] In summary, when the electric hoist single beam crane moves along the track, the travel motor 10 drives the shafts 8 on both sides to rotate synchronously through the T-type steering gear 7, so as to realize the synchronous rotation of the driving gears 9 on both sides, and then through the meshing relationship between the driving gear 9 and the driven gear 3.2, the rollers 3.1 on both sides roll synchronously along the track, and the multiple sets of support wheels 2 provide stable support, so as to realize the electric hoist single beam crane to move steadily and smoothly along the track as a whole.

[0037] 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.

[0038] 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. An electric hoist single-beam crane trolley, comprising a frame (1), a steel wire rope (5), a hook (6), and a winding assembly (4) for winding and unwinding the steel wire rope (5), characterized in that: The frame (1) comprises a horizontal plate body (1.1), side plates (1.2) vertically fixed to both sides of the top surface of the horizontal plate body (1.1), and end plates (1.3) vertically fixed to the front and rear ends of the bottom surface of the horizontal plate body (1.1); The winding assembly (4) is fixed to the end plate (1.3); A support wheel (2) is rotatably mounted on the inner side of the rear end of the top end of the side plate (1.2), and a travel wheel (3) is rotatably mounted on the inner side of the front end of the top end of the side plate (1.2), wherein the travel wheel (3) comprises a roller (3.1) rotatably mounted on the outer end of the axle of the side plate (1.2) and a driven gear (3.2) fixedly mounted on the outer axle of the roller (3.1); A T-shaped steering gear (7) is fixed at a position corresponding to the walking wheel (3) in the middle of the top surface of the horizontal plate body (1.1); a walking motor (10) is fixed to the front end surface of the T-shaped steering gear (7); a power output shaft of the walking motor (10) is fixedly connected to a power input shaft of the T-shaped steering gear (7); shafts (8) are fixedly connected to the power output shafts on both sides of the T-shaped steering gear (7); a driving gear (9) meshing with the driven gear (3.2) is fixedly sleeved on a position close to the outer end of the shaft (8).

2. The electric hoist single-beam crane trolley according to claim 1, characterized in that: The outer ends of the shaft rods (8) are rotatably sleeved on the bottoms of the front ends of the side plates (1.2).

3. The electric hoist single-beam crane trolley according to claim 1, characterized in that: At least two supporting wheels (2) are rotatably mounted on the inner sides of the rear parts of the side plates (1.2).

4. The electric hoist single-beam crane trolley according to claim 1, characterized in that: The winding assembly (4) comprises a drum (4.1) whose front and rear ends of a central axis are rotatably mounted on the end plate (1.3) respectively, and a winding drive member (4.2) fixed to the front wall of the front end plate (1.3) and whose power output shaft is fixedly connected to the front end of the central axis of the drum (4.1), and the drum (4.1) is mounted with a rope reel.

5. The electric hoist single-beam crane trolley according to claim 4, characterized in that: A fixing ring (1.4) is fixedly connected to the front end of the bottom surface of the horizontal plate body (1.1), a pulley (1.7) is provided in the middle of the rear end of the bottom surface of the horizontal plate body (1.1), the hook member (6) is a double-wheel hook, and the free end of the steel wire rope (5) passes through the rope reel and passes through the groove wheel at the front of the hook member (6), the pulley (1.7), and the groove wheel at the rear of the hook member (6) in sequence, and is then fixed to the fixing ring (1.4).

6. The electric hoist single-beam crane trolley according to claim 5, characterized in that: An ear seat (1.5) is fixed to the middle of the rear end of the bottom surface of the horizontal plate body (1.1), the ear seat (1.5) is rotatably connected to a wheel frame (1.6), and the pulley (1.7) is rotatably mounted on the bottom of the inner cavity of the wheel frame (1.6).

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