Crane electric hoist walking device with good stability
By designing the combination of main side plate, wheel, reducer and other structures in the crane electric hoist walking device, we ensure that the wheels and reducer are closely connected, and the bearings and springs are used to assist the wheels in stable rotation, the problem of external impurities entering in traditional devices is solved. , achieving more stable operation and movement.
Patent Information
- Application Number
- CN202420739439.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-11
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-04-11
AI Technical Summary
During the use of the traditional crane electric hoist walking device, the wheel body directly connects with the reducer, resulting in gaps and external dust and impurities entering the device, affecting stable operation.
A crane electric hoist walking device with good stability was designed, and the wheels and auxiliary wheels are ensured by combining the main side plate, wheels, reducers, external splines, internal splines, bearings, external cylinders, inner cylinders, auxiliary wheels and other structures. The reducer is closely connected to each other, and the bearing and spring assist the wheel to rotate stably. The auxiliary wheel and the I-steel are stable through the cooperation between the outer cylinder and the bump to prevent external impurities from entering.
It effectively avoids external impurities entering the device, ensures the stable operation and movement of the device, and improves the overall stability and service life.
Smart Images
Figure CN222348526U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of traveling devices, in particular to a traveling device of a crane electric hoist with good stability. Background Art
[0002] The electric hoist travel device is a special lifting equipment installed on the overhead crane and gantry crane. The electric hoist has the characteristics of small size, light weight, simple operation and easy use. It is used in industrial and mining enterprises, warehouses, docks and other places.
[0003] During use, the traditional crane electric hoist travel device mostly uses a wheel auxiliary device to move on the I-beam, and the wheel body and the reducer are directly connected through a fixed sleeve to assist the wheel body and the reducer to rotate synchronously, resulting in a gap between the wheel body and the reducer, which in turn causes external dust and impurities to enter the interior of the device, affecting the stable operation of the device. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a crane electric hoist traveling device with good stability to solve the problems raised by the above-mentioned background technology.
[0005] The utility model provides the following technical scheme: a crane electric hoist walking device with good stability comprises a main side plate, a wheel is rotatably connected to the side of the main side plate, a reducer is fixedly assembled on the side of the main side plate, an explosion-proof box is fixedly assembled on the side of the reducer, an outer spline groove is fixedly sleeved on the outer edge of the output shaft of the reducer, an inner spline groove is fixedly sleeved on the inner wall of the wheel, a bearing is fixedly sleeved on the inner wall of the main side plate, and the inner wall of the bearing is fixedly sleeved on the outer edge of the wheel, an outer cylinder is fixedly assembled on the side of the wheel, an inner cylinder is slidably sleeved on the inner wall of the outer cylinder, an auxiliary wheel is rotatably connected to the inner wall of the inner cylinder, a secondary side plate is arranged on the side of the main side plate, a crane body is fixedly assembled on the side of the secondary side plate, a limiting rod is fixedly assembled on the inner wall of the main side plate by screws, and the outer edge of the limiting rod is fixedly assembled on the outer edge of the secondary side plate by screws.
[0006] As a preferred technical solution of the utility model, the inner wall of the wheel is fixedly sleeved with the outer edge of the output shaft of the reducer, and the inner wall of the outer spline groove is matched with the inner wall of the inner spline groove.
[0007] As a preferred technical solution of the utility model, a spring is fixedly connected to the side of the inner wall of the inner cylinder, a protrusion is fixedly connected to one end of the spring away from the inner wall of the inner cylinder, and the outer edge of the protrusion passes through the inner wall of the inner cylinder and is slidably connected to the inner wall of the outer cylinder.
[0008] As a preferred technical solution of the utility model, a fixing plate is fixedly mounted on the side of the explosion-proof box, a motor is fixedly mounted on the side of the fixing plate, and the output shaft of the motor is fixedly sleeved with a main gear on the inner wall of the reducer.
[0009] As a preferred technical solution of the utility model, the outer edge of the wheel is slidably connected to an I-beam, and the side surface of the inner wall of the I-beam is slidably connected to the side surface of the auxiliary wheel.
[0010] As a preferred technical solution of the utility model, the connection structure inside the secondary side panel is completely consistent with the connection structure inside the main side panel, the number of the wheels is four, and the four wheels are arranged in groups of two on both sides of the main side panel and both sides of the secondary side panel respectively.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] 1. The electric hoist travel device of the crane with good stability uses the reducer and the main side plate in coordination, uses the motor and the reducer to drive the wheel to rotate, and connects the outer spline groove with the inner spline groove, thereby assisting the wheel and the reducer to connect stably and tightly, preventing foreign matter from entering the interior of the device, and using bearings to assist the wheel to rotate stably.
[0013] 2. The electric hoist travel device of the crane with good stability uses the outer cylinder and the protrusion to press the protrusion toward the inner wall of the inner cylinder until the protrusion enters the inner wall of the inner cylinder, thereby sliding the inner cylinder in the inner wall of the outer cylinder to adjust the position until the outer edge of the auxiliary wheel overlaps the side of the inner wall of the I-beam, thereby the auxiliary device moves stably. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the front cross-section structure of the wheel of the utility model;
[0016] Figure 3 This is a schematic diagram of the side section structure of the wheel of the utility model;
[0017] Figure 4 For this utility model Figure 3 The enlarged structural diagram at A in the middle;
[0018] Figure 5 It is a schematic diagram of the three-dimensional structure of the wheel of the utility model.
[0019] In the figure: 1. main side plate; 2. wheel; 3. reducer; 4. external spline groove; 5. internal spline groove; 6. outer cylinder; 7. inner cylinder; 8. bump; 9. spring; 10. auxiliary wheel; 11. I-beam; 12. explosion-proof box; 13. motor; 14. fixing plate; 15. crane body; 16. auxiliary side plate; 17. limit rod; 18. bearing. DETAILED DESCRIPTION
[0020] 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.
[0021] See also Figure 1-5 The electric hoist travel device of a crane with good stability comprises a main side plate 1, a wheel 2 is rotatably connected to the side of the main side plate 1, a reducer 3 is fixedly mounted on the side of the main side plate 1, an explosion-proof box 12 is fixedly mounted on the side of the reducer 3, an outer spline groove 4 is fixedly sleeved on the outer edge of the output shaft of the reducer 3, an inner spline groove 5 is fixedly sleeved on the inner wall of the wheel 2, a bearing 18 is fixedly sleeved on the inner wall of the main side plate 1, and the inner wall of the bearing 18 is fixedly sleeved on the outer edge of the wheel 2, an outer cylinder 6 is fixedly mounted on the side of the wheel 2, and the inner wall of the outer cylinder 6 is slidably sleeved An inner cylinder 7 is connected, and the inner wall of the inner cylinder 7 is rotatably connected with an auxiliary wheel 10. A secondary side plate 16 is arranged on the side of the main side plate 1, and a crane body 15 is fixedly assembled on the side of the secondary side plate 16. A limit rod 17 is fixedly assembled on the inner wall of the main side plate 1 by screws, and the outer edge of the limit rod 17 is fixedly assembled with the outer edge of the secondary side plate 16 by screws. By adding a bearing 18, the outer edge of the bearing 18 is fixedly sleeved with the inner wall of the main side plate 1, and the inner wall of the rotating ring inside the bearing 18 is fixedly sleeved with the outer edge of the wheel 2, thereby assisting the wheel 2 to rotate stably.
[0022] In a preferred embodiment, the inner wall of the wheel 2 is fixedly sleeved with the outer edge of the output shaft of the reducer 3, and the inner wall of the external spline groove 4 is adapted to the inner wall of the internal spline groove 5. By using the external spline groove 4 and the internal spline groove 5 in coordination, the external spline groove 4 and the internal spline groove 5 are docked, thereby assisting the wheel 2 and the reducer 3 to dock stably.
[0023] In a preferred embodiment, a spring 9 is fixedly connected to the side of the inner wall of the inner cylinder 7, and a protrusion 8 is fixedly connected to one end of the spring 9 away from the inner wall of the inner cylinder 7, and the outer edge of the protrusion 8 passes through the inner wall of the inner cylinder 7 and is slidably engaged with the inner wall of the outer cylinder 6. By the coordinated use of the spring 9 and the protrusion 8, the spring 9 is used to assist in pushing the protrusion 8, so that the outer edge of the protrusion 8 is used to stably limit the inner cylinder 7 and the outer cylinder 6.
[0024] In a preferred embodiment, a fixing plate 14 is fixedly mounted on the side of the explosion-proof box 12, a motor 13 is fixedly mounted on the side of the fixing plate 14, and the output shaft of the motor 13 is fixedly sleeved with the main gear on the inner wall of the reducer 3. By using the motor 13 in coordination with the reducer 3, the motor 13 is used to drive the main gear inside the reducer 3 to rotate, thereby utilizing the reducer 3 to dock with the inner spline groove 5 through the outer spline groove 4 to assist the wheel 2 in stable rotation.
[0025] In a preferred embodiment, the outer edge of the wheel 2 is slidably connected to an I-beam 11, and the side of the inner wall of the I-beam 11 is slidably connected to the side of the auxiliary wheel 10. By adding the I-beam 11, the bottom of the inner wall of the I-beam 11 is overlapped with the bottom of the wheel 2, so that the wheel 2 moves on the bottom of the inner wall of the I-beam 11, and the auxiliary device moves stably.
[0026] In a preferred embodiment, the connection structure inside the secondary side panel 16 is completely consistent with the connection structure inside the main side panel 1, the number of wheels 2 is four, and the four wheels 2 are arranged in groups of two on both sides of the main side panel 1 and on both sides of the secondary side panel 16, respectively. By adding four wheels 2, the device can be driven by the four wheels 2 to move stably.
[0027] Working principle: when the device is in use, the motor 13 and the reducer 3 are used to drive the wheel 2 to rotate, and the outer spline groove 4 is connected with the inner spline groove 5 to dock the wheel 2 with the reducer 3 stably and tightly, preventing foreign matter from entering the interior of the device, and the bearing 18 is used to assist the wheel 2 to rotate stably, and the protrusion 8 is pressed toward the inner wall of the inner cylinder 7 until the protrusion 8 enters the inner wall of the inner cylinder 7, thereby sliding the inner cylinder 7 in the inner wall of the outer cylinder 6 for position adjustment, until the outer edge of the auxiliary wheel 10 overlaps the side of the inner wall of the I-beam 11, thereby assisting the device to move stably.
[0028] 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 crane electric hoist travel device with good stability, comprising a main side plate (1), characterized in that: The side of the main side plate (1) is rotatably connected to a wheel (2); a reducer (3) is fixedly mounted on the side of the main side plate (1); an explosion-proof box (12) is fixedly mounted on the side of the reducer (3); an outer spline groove (4) is fixedly sleeved on the outer edge of the output shaft of the reducer (3); an inner spline groove (5) is fixedly sleeved on the inner wall of the wheel (2); a bearing (18) is fixedly sleeved on the inner wall of the main side plate (1); and the inner wall of the bearing (18) is fixedly sleeved on the outer edge of the wheel (2); An outer cylinder (6) is fixedly mounted on the side of the wheel (2), an inner cylinder (7) is slidably sleeved on the inner wall of the outer cylinder (6), an auxiliary wheel (10) is rotatably connected to the inner wall of the inner cylinder (7), a secondary side plate (16) is arranged on the side of the main side plate (1), a crane body (15) is fixedly mounted on the side of the secondary side plate (16), a limit rod (17) is fixedly mounted on the inner wall of the main side plate (1) by means of screws, and the outer edge of the limit rod (17) is fixedly mounted on the outer edge of the secondary side plate (16) by means of screws.
2. The crane electric hoist traveling device with good stability according to claim 1 is characterized by: The inner wall of the wheel (2) is fixedly sleeved with the outer edge of the output shaft of the reducer (3), and the inner wall of the outer spline groove (4) is matched with the inner wall of the inner spline groove (5).
3. The crane electric hoist traveling device with good stability according to claim 1 is characterized by: A spring (9) is fixedly connected to the side surface of the inner wall of the inner cylinder (7), and a protrusion (8) is fixedly connected to one end of the spring (9) away from the inner wall of the inner cylinder (7), and the outer edge of the protrusion (8) passes through the inner wall of the inner cylinder (7) and is slidably sleeved with the inner wall of the outer cylinder (6).
4. The crane electric hoist traveling device with good stability according to claim 1 is characterized in that: A fixing plate (14) is fixedly mounted on the side of the explosion-proof box (12), a motor (13) is fixedly mounted on the side of the fixing plate (14), and an output shaft of the motor (13) is fixedly sleeved with a main gear on the inner wall of the reducer (3).
5. The crane electric hoist traveling device with good stability according to claim 1 is characterized in that: The outer edge of the wheel (2) is slidably connected to an I-beam (11), and the side surface of the inner wall of the I-beam (11) is slidably connected to the side surface of the auxiliary wheel (10).
6. The crane electric hoist travel device with good stability according to claim 1 is characterized by: The connection structure inside the secondary side plate (16) is completely consistent with the connection structure inside the main side plate (1), the number of the wheels (2) is four, and the four wheels (2) are arranged in groups of two on both sides of the main side plate (1) and on both sides of the secondary side plate (16).