Large fan impeller rotation supporting device

By designing a large fan impeller rotation support device including active and passive support frames, support wheel sets and drive devices, the problem of the dynamic balance effect of the fan impeller being affected by dirt and residue before cleaning is solved, automatic rotation cleaning is achieved, and working efficiency and dynamic balance effect are improved.

CN222768372UActive Publication Date: 2025-04-18BAOTOU IRON & STEEL (GROUP) CO LTD
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Patent Information

Application Number
CN202421288736.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-06
Publication Date
2025-04-18
Estimated Expiration
2034-06-06

AI Technical Summary

Technical Problem

Before cleaning, large fan impellers are often affected by dirt and residue, and the cleaning process relies on manpower rotation and is inefficient.

Method used

A large fan impeller rotary support device is designed, including an active support frame, a first support wheel set, a driving device, a passive support frame and a second support wheel set. Through these components, the active and passive end shafts of the fan impeller are supported and driven respectively to realize automatic rotation and cleaning of the impeller.

Benefits of technology

The device is easy to operate, improves the working efficiency of fan impeller cleaning, and ensures the improvement of dynamic balance effect and the extension of service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a large fan impeller rotating and supporting device, which relates to the technical field of fan impeller rotating and supporting devices and comprises a driving supporting frame, a first supporting wheel set, a driving device, a driven supporting frame and a second supporting wheel set. The first supporting wheel set is arranged at the top of the driving supporting frame so as to support a driving end journal of the fan impeller and is in rolling connection with the driving end journal of the fan impeller. The driving device is fixedly connected to the top of the driving supporting frame, and an output shaft of the driving device is used for being detachably and fixedly connected with a driving end shaft of the fan impeller so as to drive the fan impeller to rotate. And the second supporting wheel set is arranged at the top of the driven supporting frame to support the driven end journal of the fan impeller and is in rolling connection with the driving end journal of the fan impeller, operation is convenient, and the working efficiency is effectively improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of fan impeller rotation support devices, in particular to a large fan impeller rotation support device. Background Art

[0002] At present, before dynamic balancing of large fan impellers and other rotating equipment rotors, due to the different working conditions of various impellers and rotors, many impellers and rotors will have varying degrees of dirt, sticky materials, chemical reaction residues, etc., and it is difficult to clean them. If these residues are not cleaned up, it will directly affect the effect of dynamic balancing, affect the accuracy, and also shorten the balancing cycle of the balanced impeller or rotor. During the cleaning process of large-tonnage equipment, the equipment must be rotated, and the method of manual rotation is now mostly used. Utility Model Content

[0003] The purpose of the utility model is to provide a large fan impeller rotation support device to solve the problems existing in the above-mentioned prior art, facilitate operation and effectively improve work efficiency.

[0004] To achieve the above purpose, the utility model provides the following solutions:

[0005] The utility model provides a large-scale fan impeller rotation support device, comprising: an active support frame, a first support wheel group, a driving device, a passive support frame and a second support wheel group, the first support wheel group is arranged at the top of the active support frame to support the active end shaft neck of the fan impeller and is rollingly connected with the active end shaft neck of the fan impeller; the driving device is fixedly connected to the top of the active support frame, and the output shaft of the driving device is used to be detachably fixedly connected with the active end shaft of the fan impeller to drive the fan impeller to rotate; the second support wheel group is arranged at the top of the passive support frame to support the passive end shaft neck of the fan impeller and is rollingly connected with the active end shaft neck of the fan impeller.

[0006] Preferably, the driving device includes a mounting base, a cycloid reducer and a universal coupling, the cycloid reducer is fixedly connected to the active support frame through the mounting base and is arranged on the side of the first support wheel group away from the fan impeller, the transmission shaft of the cycloid reducer is detachably fixedly connected to the universal coupling, and the end of the universal coupling away from the cycloid reducer is used for detachably fixedly connected to the active end shaft of the fan impeller.

[0007] Preferably, a coupling is provided on the transmission shaft of the cycloid reducer, and one end of the universal coupling close to the coupling is provided on the first flange, and the coupling is fixedly connected to the first flange by bolts.

[0008] Preferably, it also includes a chuck, a groove is provided on one side of the chuck, the groove is used to fit the end face of the active end shaft of the fan impeller, a plurality of countersunk holes and a plurality of threaded holes are provided on the chuck, each of the countersunk holes is used to be fixedly connected to the threaded hole on the end face of the active end shaft of the fan impeller by a hexagonal bolt, the end of the universal coupling away from the coupling is provided on the second flange, and the threaded holes on the chuck are used to be fixedly connected to the second flange by bolts.

[0009] Preferably, the first support wheel group includes a first box, a first shaft, a first support wheel, a second shaft and a second support wheel, the top of the first box is open, the bottom of the first box is fixedly connected to the active support frame, the first shaft and the second shaft are arranged in the first box, and both ends of the first shaft and the second shaft are fixedly connected to two opposite side walls in the first box, the first support wheel is rotatably connected to the first shaft, the second support wheel is rotatably connected to the second shaft, and the first support wheel and the second support wheel are used for rolling connection with the active end shaft neck of the fan impeller.

[0010] Preferably, the first box body includes a first front support plate, a first rear support plate, a first left support plate and a first right support plate, and the first front support plate, the first left support plate, the first rear support plate and the first right support plate are fixedly connected end to end in sequence to form a rectangle, and the bottoms of the first front support plate, the first left support plate, the first rear support plate and the first right support plate are fixedly connected to the active support frame, the two ends of the first axis are fixedly connected to the first front support plate and the first rear support plate, respectively, and the two ends of the second axis are fixedly connected to the first front support plate and the first rear support plate, respectively.

[0011] Preferably, the second support wheel group includes a second box body, a third shaft, a third support wheel, a fourth shaft and a fourth support wheel, the top of the second box body is open, the bottom of the second box body is fixedly connected to the passive support frame, the third shaft and the fourth shaft are arranged in the second box body, and both ends of the third shaft and the fourth shaft are fixedly connected to two opposite side walls in the second box body, the third support wheel is rotatably connected to the third shaft, the fourth support wheel is rotatably connected to the fourth shaft, and the third support wheel and the fourth support wheel are used for rolling connection with the active end shaft neck of the fan impeller.

[0012] Preferably, the second box body includes a second front support plate, a second rear support plate, a second left support plate and a second right support plate, and the second front support plate, the second left support plate, the second rear support plate and the second right support plate are fixedly connected end to end in sequence to form a rectangle, and the bottoms of the second front support plate, the second left support plate, the second rear support plate and the second right support plate are fixedly connected to the passive support frame, the two ends of the third axis are respectively fixedly connected to the second front support plate and the second rear support plate, and the two ends of the fourth axis are respectively fixedly connected to the second front support plate and the second rear support plate.

[0013] Preferably, the active support frame includes a top plate, four first lower horizontal columns, four first upright columns and four first upper horizontal columns, the four first lower horizontal columns are fixedly connected end to end in sequence to form a rectangle, the four first upper horizontal columns are fixedly connected end to end in sequence to form a rectangle, a upright column is provided at the connection between two of the first lower horizontal columns, the bottom end of one of the upright columns is used to be fixedly connected to the intersection of the two first lower horizontal columns, and the top end is used to be fixedly connected to the intersection of the two first upper horizontal columns, and the top plate is fixedly connected to the top of each of the first upper horizontal columns.

[0014] Preferably, the passive support frame includes four second lower horizontal columns, two second vertical columns, two inclined vertical columns and a second upper horizontal column. The four second lower horizontal columns are fixedly connected end to end in sequence to form a rectangle. The bottom ends of the two inclined vertical columns are respectively fixedly connected to the connection between the two second lower horizontal columns, and the top ends are respectively fixedly connected to the two ends of the second upper horizontal column. The bottom ends of the two second vertical columns are respectively fixedly connected to the connection between the two second lower horizontal columns, and the top ends are respectively fixedly connected to the two ends of the second upper horizontal column.

[0015] Compared with the prior art, the utility model has achieved the following technical effects:

[0016] The utility model provides a large-scale fan impeller rotating support device, which supports the active end shaft neck and the passive shaft neck of the fan impeller respectively through the first supporting wheel group on the active supporting frame and the second supporting wheel group on the passive supporting frame, and drives the fan impeller to rotate through the driving device, so that the fan impeller can be rotated to a suitable angle to remove dirt, sticky materials, and chemical reaction residues on the fan impeller, which is easy to operate and effectively improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A schematic diagram of the structure of a large fan impeller rotation support device provided by the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the connection between the cycloid reducer and the universal coupling in the large fan impeller rotation support device provided by the utility model;

[0020] Figure 3 This is a front view structural schematic diagram of a chuck in a large fan impeller rotation support device provided by the utility model;

[0021] Figure 4 A schematic diagram of the back structure of a chuck in a large fan impeller rotation support device provided by the utility model;

[0022] Figure 5 A schematic diagram of the structure of the large fan impeller rotation support device provided by the utility model when in use;

[0023] In the figure: 1, oblique column; 2, second lower horizontal column; 3, second column; 4, second upper horizontal column; 5, second box; 501, third axis; 502, fourth axis; 503, second arc; 504, second left support plate; 505, fourth support wheel; 506, third support wheel; 507, second rear support plate; 508, second right support plate; 6, first lower horizontal column; 7, first column; 8, first upper horizontal column; 9, first rear support plate; 901, first axis; 902, second axis; 903, first arc; 904, first left support plate; 905, second support wheel; 906, first support wheel; 907, first front support plate; 908, first right support plate; 10, chuck; 1001, threaded hole; 1002, countersunk hole; 1003, groove; 11, universal coupling; 1101, second flange; 1102, first flange; 12, cycloid reducer; 1201, coupling; 1202, box seat; 13, base; 14, bottom plate; 15, active end journal of fan impeller; 16, passive end journal of fan impeller. 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] The purpose of the utility model is to provide a large fan impeller rotation support device to solve the problems existing in the above-mentioned prior art, facilitate operation and effectively improve work efficiency.

[0026] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0027] The utility model provides a large fan impeller rotation support device, such as Figures 1 to 5 As shown, it includes: an active support frame, a first support wheel group, a driving device, a passive support frame and a second support wheel group, the first support wheel group is arranged at the top of the active support frame to support the active end shaft neck 15 of the fan impeller and is rollingly connected to the active end shaft neck 15 of the fan impeller; the driving device is fixedly connected to the top of the active support frame, and the output shaft of the driving device is used to be detachably fixedly connected to the active end shaft of the fan impeller to drive the fan impeller to rotate; the second support wheel group is arranged at the top of the passive support frame to support the passive end shaft neck 16 of the fan impeller and is rollingly connected to the active end shaft neck 15 of the fan impeller, the active end shaft neck 15 and the passive shaft neck of the fan impeller are supported respectively by the first support wheel group on the active support frame and the second support wheel group on the passive support frame, and the fan impeller is driven to rotate by the driving device, so that the fan impeller can be rotated to a suitable angle to remove dirt, sticky materials, and chemical reaction residues on the fan impeller, which is easy to operate and effectively improves work efficiency.

[0028] In a preferred embodiment, the driving device includes a mounting base 13, a cycloidal reducer 12 and a universal coupling 11. The cycloidal reducer 12 is fixedly connected to the active support frame through the mounting base 13 and is arranged on the side of the first supporting wheel group away from the fan impeller. The transmission shaft of the cycloidal reducer 12 is detachably fixedly connected to the universal coupling 11. The end of the universal coupling 11 away from the cycloidal reducer 12 is used to be detachably fixedly connected to the active end shaft of the fan impeller. A box seat 1202 is provided at the bottom of the cycloidal reducer 12, and the box seat 1202 is fixedly connected to the mounting base 13. By arranging the universal coupling 11, the axis center of the transmission shaft of the cycloidal reducer 12 does not need to be colinear with the axis of the fan impeller, so that it can be applicable to fan impellers and other rotating equipment of different models.

[0029] In a preferred embodiment, a coupling 1201 is provided on the transmission shaft of the cycloid reducer 12, and one end of the universal coupling 11 close to the coupling 1201 is provided on the first flange 1102. The coupling 1201 and the first flange 1102 are fixedly connected by bolts, and the structure is simple and easy to disassemble.

[0030] In a preferred embodiment, the large fan impeller rotation support device also includes a chuck 10, and a groove 1003 is provided on one side of the chuck 10, and the groove 1003 is used to fit the end face of the active end shaft of the fan impeller. The chuck 10 is provided with a plurality of countersunk holes 1002 and a plurality of threaded holes 1001, and each countersunk hole 1002 is used to be fixedly connected with the threaded hole 1001 on the end face of the active end shaft of the fan impeller by a hexagonal bolt, and the end of the universal coupling 11 away from the coupling 1201 is provided on the second flange 1101, and the threaded hole 1001 on the chuck 10 is used to be fixedly connected with the second flange 1101 by bolts. The structure is simple, and a plurality of chucks 10 of different models are provided to match with different models of rotating equipment.

[0031] In a preferred embodiment, the first support wheel group includes a first box body, a first shaft 901, a first support wheel 906, a second shaft 902 and a second support wheel 905. The top of the first box body is open, and the bottom of the first box body is fixedly connected to the active support frame. The first shaft 901 and the second shaft 902 are arranged in the first box body, and both ends of the first shaft 901 and the second shaft 902 are fixedly connected to two opposite side walls in the first box body. The first support wheel 906 is rotatably connected to the first shaft 901, and the second support wheel 905 is rotatably connected to the second shaft 902, and the first support wheel 906 and the second support wheel 905 are used for rolling connection with the active end shaft neck 15 of the fan impeller, and a first arc 903 is arranged on the top of the first box body, and the first arc 903 can provide a placement position for the active end shaft neck 15 of the fan impeller.

[0032] In a preferred embodiment, the first box body includes a first front support plate 907, a first rear support plate 9, a first left support plate 904 and a first right support plate 908. The first front support plate 907, the first left support plate 904, the first rear support plate 904 and the first right support plate 908 are fixedly connected end to end in sequence to form a rectangle, and the bottoms of the first front support plate 907, the first left support plate 904, the first rear support plate 9 and the first right support plate 908 are fixedly connected to the active support frame, the two ends of the first axis 901 are fixedly connected to the first front support plate 907 and the first rear support plate 9 respectively, and the two ends of the second axis 902 are fixedly connected to the first front support plate 907 and the first rear support plate 9 respectively. The structure is simple and easy to manufacture.

[0033] In a preferred embodiment, the second support wheel group includes a second box body 5, a third shaft 501, a third support wheel 506, a fourth shaft 502 and a fourth support wheel 505. The top of the second box body 5 is open, and the bottom of the second box body 5 is fixedly connected to the passive support frame. The third shaft 501 and the fourth shaft 502 are arranged in the second box body 5, and both ends of the third shaft 501 and the fourth shaft 502 are fixedly connected to two opposite side walls in the second box body 5. The third support wheel 506 is rotatably connected to the third shaft 501, and the fourth support wheel 505 is rotatably connected to the fourth shaft 502, and the third support wheel 506 and the fourth support wheel 505 are used for rolling connection with the active end journal 15 of the fan impeller. A second arc 503 is arranged on the top of the second box body 5, and the second arc 503 can provide a placement position for the passive end journal 16 of the fan impeller.

[0034] In a preferred embodiment, the second box body 5 includes a second front support plate, a second rear support plate 507, a second left support plate 504 and a second right support plate 508, and the second front support plate, the second left support plate 504, the second rear support plate 507 and the second right support plate 508 are fixedly connected end to end in sequence to form a rectangle, and the bottoms of the second front support plate, the second left support plate 504, the second rear support plate 507 and the second right support plate 508 are fixedly connected to the passive support frame, the two ends of the third axis 501 are fixedly connected to the second front support plate and the second rear support plate 507, respectively, and the two ends of the fourth axis 502 are fixedly connected to the second front support plate and the second rear support plate 507, respectively. The structure is simple and easy to manufacture.

[0035] In a preferred embodiment, the active support frame includes a top plate 14, four first lower horizontal columns 6, four first vertical columns 7 and four first upper horizontal columns 8. The four first lower horizontal columns 6 are fixedly connected end to end in sequence to form a rectangle. The four first upper horizontal columns 8 are fixedly connected end to end in sequence to form a rectangle. A vertical column is provided at the connection between the two first lower horizontal columns 6. The bottom end of a vertical column is used to be fixedly connected to the intersection of the two first lower horizontal columns 6, and the top end is used to be fixedly connected to the intersection of the two first upper horizontal columns 8. The top plate 14 is fixedly connected to the top of each first upper horizontal column 8. The structure is simple and easy to manufacture.

[0036] In a preferred embodiment, the passive support frame includes four second lower horizontal columns 2, two second vertical columns 3, two inclined vertical columns 1 and a second upper horizontal column 4. The four second lower horizontal columns 2 are fixedly connected end to end in sequence to form a rectangle. The bottom ends of the two inclined vertical columns 1 are respectively fixedly connected to the connection points of the two second lower horizontal columns 2, and the top ends are respectively fixedly connected to the two ends of the second upper horizontal column 4. The bottom ends of the two second vertical columns 3 are respectively fixedly connected to the connection points of the two second lower horizontal columns 2, and the top ends are respectively fixedly connected to the two ends of the second upper horizontal column 4. The structure is simple and easy to manufacture.

[0037] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A large fan impeller rotation support device, characterized in that: include: Active support frame, A first supporting wheel group, which is arranged on the top of the active supporting frame to support the active end journal of the fan impeller and is rollingly connected to the active end journal of the fan impeller; A driving device, wherein the driving device is fixedly connected to the top of the active support frame, and the output shaft of the driving device is used to be detachably fixedly connected to the active end shaft of the fan impeller to drive the fan impeller to rotate; Passive supports, and The second supporting wheel group is arranged on the top of the passive supporting frame to support the passive end journal of the fan impeller and is rollingly connected with the active end journal of the fan impeller.

2. The large fan impeller rotation support device according to claim 1 is characterized in that: The driving device includes a mounting base, a cycloid reducer and a universal coupling. The cycloid reducer is fixedly connected to the active support frame through the mounting base and is arranged on the side of the first support wheel group away from the fan impeller. The transmission shaft of the cycloid reducer is detachably fixedly connected to the universal coupling, and the end of the universal coupling away from the cycloid reducer is used for detachably fixedly connecting to the active end shaft of the fan impeller.

3. The large fan impeller rotation support device according to claim 2 is characterized in that: A coupling is arranged on the transmission shaft of the cycloid reducer, and one end of the universal coupling close to the coupling is arranged on the first flange, and the coupling is fixedly connected to the first flange by bolts.

4. The large fan impeller rotation support device according to claim 3 is characterized in that: It also includes a chuck, one side of which is provided with a groove, the groove is used to fit the end face of the active end shaft of the fan impeller, the chuck is provided with a plurality of countersunk holes and a plurality of threaded holes, each of the countersunk holes is used to be fixedly connected to the threaded hole on the end face of the active end shaft of the fan impeller by a hexagonal bolt, the end of the universal coupling away from the coupling is provided on the second flange, and the threaded holes on the chuck are used to be fixedly connected to the second flange by bolts.

5. The large fan impeller rotation support device according to claim 1 is characterized in that: The first support wheel group includes a first box body, a first shaft, a first support wheel, a second shaft and a second support wheel. The top of the first box body is open, and the bottom of the first box body is fixedly connected to the active support frame. The first shaft and the second shaft are arranged in the first box body, and both ends of the first shaft and the second shaft are fixedly connected to two opposite side walls in the first box body. The first support wheel is rotatably connected to the first shaft, and the second support wheel is rotatably connected to the second shaft, and the first support wheel and the second support wheel are used for rolling connection with the active end journal of the fan impeller.

6. The large fan impeller rotation support device according to claim 5 is characterized in that: The first box body includes a first front support plate, a first rear support plate, a first left support plate and a first right support plate, and the first front support plate, the first left support plate, the first rear support plate and the first right support plate are fixedly connected end to end in sequence to form a rectangle, and the bottoms of the first front support plate, the first left support plate, the first rear support plate and the first right support plate are fixedly connected to the active support frame, the two ends of the first shaft are fixedly connected to the first front support plate and the first rear support plate respectively, and the two ends of the second shaft are fixedly connected to the first front support plate and the first rear support plate respectively.

7. The large fan impeller rotation support device according to claim 1 is characterized in that: The second support wheel group includes a second box body, a third shaft, a third support wheel, a fourth shaft and a fourth support wheel. The top of the second box body is open, and the bottom of the second box body is fixedly connected to the passive support frame. The third shaft and the fourth shaft are arranged in the second box body, and both ends of the third shaft and the fourth shaft are fixedly connected to two opposite side walls in the second box body. The third support wheel is rotatably connected to the third shaft, and the fourth support wheel is rotatably connected to the fourth shaft, and the third support wheel and the fourth support wheel are used for rolling connection with the active end shaft neck of the fan impeller.

8. The large fan impeller rotation support device according to claim 7, characterized in that: The second box body includes a second front support plate, a second rear support plate, a second left support plate and a second right support plate, and the second front support plate, the second left support plate, the second rear support plate and the second right support plate are fixedly connected end to end in sequence to form a rectangle, and the bottoms of the second front support plate, the second left support plate, the second rear support plate and the second right support plate are fixedly connected to the passive support frame, the two ends of the third axis are respectively fixedly connected to the second front support plate and the second rear support plate, and the two ends of the fourth axis are respectively fixedly connected to the second front support plate and the second rear support plate.

9. The large fan impeller rotation support device according to claim 1, characterized in that: The active support frame includes a top plate, four first lower horizontal columns, four first upright columns and four first upper horizontal columns. The four first lower horizontal columns are fixedly connected end to end in sequence to form a rectangle. The four first upper horizontal columns are fixedly connected end to end in sequence to form a rectangle. A upright column is provided at the connection between two of the first lower horizontal columns. The bottom end of one upright column is used to be fixedly connected to the intersection of the two first lower horizontal columns, and the top end is used to be fixedly connected to the intersection of the two first upper horizontal columns. The top plate is fixedly connected to the top of each of the first upper horizontal columns.

10. The large fan impeller rotation support device according to claim 1, characterized in that: The passive support frame includes four second lower horizontal columns, two second vertical columns, two inclined vertical columns and a second upper horizontal column. The four second lower horizontal columns are fixedly connected end to end in sequence to form a rectangle. The bottom ends of the two inclined vertical columns are respectively fixedly connected to the connection between the two second lower horizontal columns, and the top ends are respectively fixedly connected to the two ends of the second upper horizontal column. The bottom ends of the two second vertical columns are respectively fixedly connected to the connection between the two second lower horizontal columns, and the top ends are respectively fixedly connected to the two ends of the second upper horizontal column.