Device facilitating cleaning operation of large main shaft

Abstract

The utility model provides a device convenient for large-scale main shaft cleaning operation, which comprises a hanging cage frame and an annular pedal arranged on the bottom surface of the hanging cage frame, the hanging cage frame comprises a bottom ring, an annular positioning plate, a transverse pull rod and a longitudinal pull rod, the annular pedal is fixed on the upper surface of the bottom ring, and the annular positioning plate is fixed on the upper surface of the bottom ring. The lower ends of the longitudinal pull rods are arranged on the inner ring of the bottom ring, the upper ends of the longitudinal pull rods fix the annular positioning plate above the annular pedal through the transverse pull rods and are coaxial with the annular pedal, the diameter of the inner ring of the bottom ring is larger than that of the main shaft, and the diameter of the annular positioning plate is smaller than that of the main shaft. The side faces of the auxiliary positioning plates are in an arc shape, the auxiliary positioning plates are evenly fixed to the lower portion of the annular pedal, and the arc-shaped axes of the auxiliary positioning plates coincide with the axes of the annular positioning plate and the annular pedal.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the main shaft cleaning auxiliary device technical field relates to a main shaft cleaning operation's device, especially for a device convenient for large main shaft cleaning operation. BACKGROUND

[0002] In the prior art, the main shaft of the fan generator needs to use the ladder to clean the rust-proof oil of the main shaft during the process of coating rust-proof oil in the mounting surface of the bearing side after cleaning and the hole of the bearing end cover. The operation personnel have a risk of falling when climbing the ladder. The height of some fan main shafts can reach 4.2 meters, and the risk factor is higher. When the operation personnel climb the ladder to clean, they can only clean about one tenth of the operation surface due to limited movement. Therefore, the position of the ladder needs to be moved multiple times to completely clean the entire operation surface, which is high in labor intensity, low in operation efficiency, and high in risk.

[0003] In addition, with the gradual change of mechanical lubrication mode from grease lubrication to lubrication, the cleanliness requirement of the transmission chain for the main shaft is higher. Due to the limitation of the height, diameter and structure of the main shaft, and the limited operation area of the ladder, some areas of the main shaft cannot be cleaned, which may cause foreign matters to enter the bearing and affect the service life of the main shaft during subsequent operation. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a device convenient for large main shaft cleaning operation to solve the technical problem that the rear bearing side of the large main shaft needs to be climbed multiple times to be completely cleaned in the prior art.

[0005] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows:

[0006] A device convenient for large main shaft cleaning operation includes a hanging cage, an annular pedal arranged on the bottom surface of the hanging cage, the hanging cage includes a bottom ring, an annular positioning plate, a horizontal pull rod and a vertical pull rod, the annular pedal is fixed on the upper surface of the bottom ring, the lower end of the vertical pull rod is arranged in the inner circle of the bottom ring, and the upper end of the vertical pull rod fixes the annular positioning plate above the annular pedal coaxially with the annular pedal through the horizontal pull rod, the inner circle diameter of the bottom ring is greater than the diameter of the main shaft, and the diameter of the annular positioning plate is less than the diameter of the main shaft.

[0007] It also includes a plurality of auxiliary positioning plates, the side surface of the auxiliary positioning plate is arc-shaped and is uniformly fixed below the annular pedal, and the arc-shaped shaft center of the plurality of auxiliary positioning plates coincides with the shaft center of the annular positioning plate and the annular pedal.

[0008] A plurality of pedal auxiliary support rods are evenly distributed between the outer ring and the inner ring of the bottom ring, the annular pedal is arranged on the top surface of the pedal auxiliary support rod, and the lower end of the longitudinal pull rod is fixed with the pedal auxiliary support rod.

[0009] The transverse pull rod and the longitudinal pull rod are detachably fixedly connected.

[0010] The guardrail is fixed above the outer ring of the bottom ring, and the height of the guardrail is higher than the height of the annular positioning plate relative to the annular pedal.

[0011] An entrance and exit is formed in the guardrail to allow personnel to enter and exit.

[0012] The device has the advantages that the device is used for cleaning the large main shaft, the diameter of the annular positioning ring is smaller than the diameter of the main shaft, the hanging cage frame can be hoisted to the top of the main shaft by the travelling crane, the annular positioning ring is placed at the end of the main shaft, the annular pedal is extended to the side surface of the main shaft under the connection of the longitudinal pull rod, the worker can clean the entire circumferential surface of the rear bearing of the main shaft by entering the annular pedal of the hanging cage frame, the angle of the hanging cage frame does not need to be adjusted, the entire circumferential surface can be cleaned, the guardrail and the pedal auxiliary support rod are arranged on the periphery and the bottom of the annular pedal, the working efficiency is improved, the safety risk in the cleaning process is eliminated, and the effect is remarkable.

[0013] In addition, the auxiliary positioning plate is designed, the main shaft can be further positioned on the basis of the annular positioning plate, the transverse pull rod and the longitudinal pull rod, the concentricity of the device with the main shaft in application can be improved, and the stability of the device in the cleaning process is improved.

[0014] Meanwhile, the detachable fixed connection of the transverse pull rod and the longitudinal pull rod can replace the annular positioning plate when different diameter main shafts are cleaned, so that the device can be used for the main shaft operation of different fan models, and the application range is wider.

[0015] The technical scheme has the advantages of simple structure, wide application range, elimination of the risk in the traditional cleaning process, improvement of the cleaning efficiency, and suitability for popularization and application in the fan main shaft cleaning operation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A schematic view of a main body structure of the device is shown in the figure.

[0017] Figure 2 A schematic view of a main body structure of the device is shown in the figure.

[0018] Figure 3 A bottom view of the device is shown in the figure.

[0019] Marked in the figure: 1, annular pedal, 2, bottom ring, 3, annular positioning plate, 4, transverse pull rod, 5, longitudinal pull rod, 6, auxiliary positioning plate, 7, pedal auxiliary support rod, 8, guardrail, 9, import and export, 10, main shaft. DETAILED DESCRIPTION

[0020] In order to better understand the purpose, structure and function of the utility model, the utility model will be described in further detail below with reference to the drawings.

[0021] As Figure 1 shown, the utility model provides a device convenient for large main shaft cleaning operation, it includes the hanging cage frame for hanging on main shaft 10, the annular pedal 1 for worker treading is set on the bottom surface of hanging cage frame,

[0022] Specifically, the hanging cage frame in the embodiment includes bottom ring 2, annular positioning plate 3 and transverse pull rod 4, longitudinal pull rod 5, the annular pedal 1 is fixed on the upper surface of bottom ring 2, the lower end of longitudinal pull rod 5 is set in the inner circle of bottom ring 2, and the upper end fixes annular positioning plate 3 above annular pedal 1 through transverse pull rod 4, and annular positioning plate 3 is coaxial with annular pedal 1, in the embodiment, transverse pull rod 4 is welded or integrally formed with annular positioning plate 3, the inner circle diameter of bottom ring 2 is greater than the diameter of main shaft 10, and the diameter of annular positioning plate 3 is less than the diameter of main shaft 10. When using, the hanging cage frame is lifted and hoisted to the top of main shaft 10 by using the travelling crane, after adjusting the center of annular pedal 1 and the center of annular positioning plate 3 of hanging cage frame, annular positioning plate 3 is placed on the top surface of main shaft 10, at this time, annular pedal 1 surrounds the side surface around the rear bearing side of main shaft 10 to be cleaned, and the staff can clean the rear bearing side of main shaft 10 around main shaft 10 on annular pedal 1.

[0023] On this basis, in order to improve the safety of staff walking on annular pedal 1, a plurality of auxiliary support rods are evenly arranged between the outer circle and the inner circle of bottom ring 2, in the embodiment, 6 are selected, annular pedal 1 is located on the top surface of auxiliary support rod, and the number of longitudinal pull rod 5 is 3, which is fixed on the auxiliary support rod at intervals.

[0024] Further, since the main shaft 10 of the fan is a hollow shaft, in order to enable the annular positioning plate 3 to be self-limited after being placed on the top surface of the main shaft 10, in the embodiment, a vertical downward cylindrical ridge is arranged on the inner circle of the annular positioning plate, and the outer diameter of the annular positioning plate 3 is greater than the inner diameter of the main shaft 10, and the outer diameter of the cylindrical ridge is less than the inner diameter of the main shaft 10.

[0025] In addition, in order to further improve the concentricity of the cage frame and the main shaft 10, the cage frame in the embodiment further comprises a plurality of auxiliary positioning plates 6, three in the embodiment, the side of the auxiliary positioning plate 6 is arc-shaped, and is uniformly fixed on the auxiliary supporting rod below the annular tread plate 1 without the longitudinal pull rod 5, the arc-shaped axis of the three auxiliary positioning plates 6 coincides with the axis of the annular positioning plate 3 and the annular tread plate 1, and the diameter of the circular profile formed by the auxiliary positioning plate 6 is smaller than the diameter of the main shaft 10.

[0026] Further, in order to improve the adaptability of the device and enable it to be applied to the cleaning operation of the main shaft 10 of different fan models, in the embodiment, the transverse pull rod 4 and the longitudinal pull rod 5 are detachably fixedly connected. When the main shaft 10 of different models needs to be cleaned, only the corresponding size of the transverse pull rod 4 and the annular positioning plate 3 needs to be replaced.

[0027] Further, since the staff is working in the air, in addition to the annular tread plate 1, the outer ring of the bottom ring 2 is also fixed with a guardrail 8, the height of the guardrail 8 is higher than the height of the annular positioning plate 3 relative to the annular tread plate 1. At the same time, in order to facilitate the staff to go up and down the annular tread plate 1, the guardrail 8 in the embodiment is also provided with an entrance and exit 9 for personnel to enter and exit.

[0028] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. A device for facilitating the cleaning of large spindles, characterized in that: It includes a hanging cage frame, an annular pedal (1) arranged on the bottom surface of the hanging cage frame, the hanging cage frame includes a bottom ring (2), an annular positioning plate (3), and a transverse pull rod (4) and a longitudinal pull rod (5), the annular pedal (1) is fixed on the upper surface of the bottom ring (2), the lower end of the longitudinal pull rod (5) is arranged on the inner circle of the bottom ring (2), and the upper end of the longitudinal pull rod (5) is fixed on the annular positioning plate (3) above the annular pedal (1) through the transverse pull rod (4) and coaxial with the annular pedal (1), the diameter of the inner circle of the bottom ring (2) is greater than the diameter of the main shaft (10), and the diameter of the annular positioning plate (3) is less than the diameter of the main shaft (10).

2. A device for facilitating cleaning of a large spindle as claimed in claim 1, wherein: It also includes a plurality of auxiliary positioning plates (6), the side of the auxiliary positioning plate (6) is arc-shaped and is uniformly fixed below the annular pedal (1), and the arc-shaped axes of the plurality of auxiliary positioning plates (6) coincide with the axes of the annular positioning plate (3) and the annular pedal (1).

3. A device for facilitating cleaning of a large spindle as defined in claim 1, characterized in that: A plurality of pedal auxiliary support rods (7) are uniformly arranged between the outer circle and the inner circle of the bottom ring (2), the annular pedal (1) is arranged on the top surface of the pedal auxiliary support rod (7), and the lower end of the longitudinal pull rod (5) is fixed with the pedal auxiliary support rod (7).

4. A device for facilitating cleaning of a large spindle as defined in claim 1, wherein: The transverse pull rod (4) and the longitudinal pull rod (5) are detachably and fixedly connected.

5. A device for facilitating cleaning of a large spindle as defined in claim 1, wherein: The guardrail (8) is fixed above the outer circle of the bottom ring (2), and the height of the guardrail (8) is higher than the height of the annular positioning plate (3) relative to the annular pedal (1).

6. A device for facilitating cleaning of a large spindle as defined in claim 5, characterized in that: An entrance and exit (9) for personnel to enter and exit is formed in the guardrail (8).

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