Portable generator fan dismounting device

Abstract

The portable generator fan dismounting device comprises a support assembly, an ejector rod assembly and a connecting assembly, the support assembly comprises an inner threaded pipe and a strip-shaped hole plate, the inner threaded pipe is inserted into the middle of a strip-shaped hole of the strip-shaped hole plate, the ejector rod assembly comprises a threaded ejector rod, the top end of the threaded ejector rod is connected with a first top cover, and the top end of the threaded ejector rod is connected with a second top cover. A rod body of the threaded ejector rod can be screwed into the inner threaded pipe, the connecting assembly comprises two threaded connecting rods, the two threaded connecting rods are inserted into strip-shaped holes of the strip-shaped hole plates on the two sides of the inner threaded pipe respectively, and the top ends of the threaded connecting rods are connected with a second top cover; in the process of disassembling the motor, an air duct does not need to be disassembled, the fan can be directly disassembled through the device, the workload of personnel and risks in operation are reduced, and compared with the situation that the fan is disassembled through violent means such as hammering, direct contact with the fan in the disassembling process is reduced, so that the disassembling efficiency is improved. Damage to the fan when the rotating shaft is detached from the fan can be avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of fan removal, and in particular relates to a portable generator fan removal device. Background Art

[0002] Most of the fan generators use forced air cooling mode to exhaust and dissipate heat through the axial flow fan on the generator radiator. Since the motor is in operation for a long time, it will often malfunction and be damaged.

[0003] When the motor of the generator cooling fan in a wind turbine generator set fails, the generator cooling fan needs to be disassembled and replaced. Usually, the fan is sleeved on the rotating shaft, and a sleeve is provided outside the rotating shaft. On the one hand, the sleeve needs to be removed as a whole when disassembling the fan, and disassembling and lifting the sleeve will increase the workload of the personnel. On the other hand, the fan is tightly sleeved on the rotating shaft. If violent means such as hammering are used to install and disassemble the fan, the fan will be deformed and damaged, the movement balance of the fan will be destroyed, and the service life of the fan will be affected. Utility Model Content

[0004] In order to solve the problems existing in the above-mentioned background technology, the present application proposes a portable generator fan removal device, which is used to avoid damage to the fan when the shaft is separated from the fan.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] A portable generator fan dismantling device includes a bracket assembly, a push rod assembly and a connecting assembly, the bracket assembly includes an internal threaded tube and a strip orifice plate, the internal threaded tube is inserted in the middle of the strip hole of the strip orifice plate, the outer wall of one end of the internal threaded tube is welded and fixed to the inner wall of the strip orifice plate, the push rod assembly includes a threaded push rod, the outer wall of the threaded push rod is provided with an external thread, the top end of the threaded push rod is connected to a first top cover, the rod body of the threaded push rod can be screwed into the internal threaded tube, the connecting assembly includes two threaded connecting rods, the two threaded connecting rods are respectively inserted in the strip holes of the strip orifice plates on both sides of the internal threaded tube, and the top end of the threaded connecting rod is connected to a second top cover.

[0007] In one embodiment of the present application, a nut is provided on the threaded connecting rod.

[0008] In one embodiment of the present application, reinforcing ribs are provided on the outer side of the top of the strip-shaped orifice plate.

[0009] In one embodiment of the present application, a pad is connected to the bottom end surface of the threaded push rod.

[0010] In one embodiment of the present application, handles are connected to both sides of the strip-shaped orifice plate.

[0011] In one embodiment of the present application, the first top cover and the second top cover are polygonal prisms.

[0012] In one embodiment of the present application, a base is inserted into the bottom end of the threaded push rod, a washer is provided at the bottom of the base, and a slot is provided at the top of the washer.

[0013] In summary, the technical solution proposed in this application includes the following beneficial technical effects: during the disassembly of the motor, there is no need to dismantle the air duct, and the fan can be directly dismantled through this device, reducing the workload of personnel and the risks in the operation. Compared with using violent means such as hammering to dismantle the fan, the direct contact with the fan during the disassembly process is reduced, and damage to the fan can be avoided when the shaft is separated from the fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0015] Figure 1 A schematic diagram of the three-dimensional structure of a portable generator fan removal device provided in one embodiment of the present application;

[0016] Figure 2 A schematic diagram of the assembly structure of a portable generator fan removal device provided in one embodiment of the present application;

[0017] Figure 3 A schematic diagram of the three-dimensional structure of a portable generator fan removal device provided in one embodiment of the present application;

[0018] Figure 4 A schematic diagram of the three-dimensional structure of a portable generator fan removal device provided in one embodiment of the present application;

[0019] Figure 5 A schematic diagram of the three-dimensional structure of a portable generator fan removal device provided in one embodiment of the present application;

[0020] In the picture:

[0021] Shaft 100, sleeve 101, fan 102, threaded hole 103;

[0022] Internally threaded tube-11, strip orifice plate-12, reinforcing rib-121, handle-122;

[0023] Threaded ejector pin 21, spacer block 211, first top cover 22;

[0024] Threaded connecting rod-31, nut-311, second top cover-32;

[0025] Base-4, washer-41, slot-42. DETAILED DESCRIPTION

[0026] To make the purpose, technical solutions, and advantages of the embodiments of this application more clear, the technical solutions in the embodiments of this application are clearly and completely described below. Obviously, the described embodiments are part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts also fall within the scope of protection of this application.

[0027] It should be noted that in the description of this application, the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0028] The terms "mounted," "connected," and "connected" in this application should be interpreted broadly. For example, they can refer to fixed, detachable, or integral connections; mechanical connections; direct connections or indirect connections through an intermediary; and internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this application based on specific circumstances.

[0029] In the embodiments of this application, words such as "exemplary" or "for example" are used to indicate examples, illustrations, or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of this application should not be interpreted as being preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "for example" is intended to present the relevant concepts in a concrete manner.

[0030] This embodiment provides a portable generator fan removal device, see Figure 1-Figure 5As shown, it includes a bracket assembly, a push rod assembly and a connecting assembly, the bracket assembly includes an internal threaded tube 11 and a strip orifice plate 12, the internal threaded tube 11 is inserted in the middle of the strip hole of the strip orifice plate 12, the outer wall of one end of the internal threaded tube 11 is welded and fixed to the inner wall of the strip orifice plate 12, the push rod assembly includes a threaded push rod 21, the outer wall of the threaded push rod 21 is provided with an external thread, the top end of the threaded push rod 21 is connected to a first top cover 22, the rod body of the threaded push rod 21 can be screwed into the internal threaded tube 11, the connecting assembly includes two threaded connecting rods 31, the two threaded connecting rods 31 are respectively inserted in the strip holes of the strip orifice plate 12 on both sides of the internal threaded tube 11, and the top end of the threaded connecting rod 31 is connected to a second top cover 32.

[0031] In the above embodiment, the internal threaded tube 11 is inserted into the middle of the strip hole of the strip orifice plate 12, and the outer wall of one end of the internal threaded tube 11 is welded and fixed to the inner wall of the strip orifice plate 12. The outer wall of the threaded push rod 21 is provided with an external thread and is adapted to the internal thread of the internal threaded tube 11. The threaded push rod 21 can be screwed into the internal threaded tube 11. The top end of the threaded push rod 21 is connected to a first top cover 22. The first top cover 22 is used to provide a fulcrum when the threaded push rod 21 is screwed in, so as to facilitate the rotation of the threaded push rod 21 in the internal threaded tube 11. Two threaded connecting rods 31 are respectively inserted into the strip holes of the strip orifice plate 12 on both sides of the internal threaded tube 11. The threaded connecting rods 31 can move in the strip orifice plate 12, so as to facilitate the matching connection of the threaded connecting rods 31 with the appropriate threaded holes 103. The top end of the threaded connecting rod 31 is connected to a second top cover 32. On the one hand, the second top cover 32 provides a fulcrum for the rotation of the threaded connecting rod 31 to facilitate the threaded connecting rod 31 to be screwed into the threaded hole 103. On the other hand, the cross-sectional outer diameter of the second top cover 32 is larger than the inner diameter of the strip hole of the strip orifice plate 12 to prevent the threaded connection from falling off the strip orifice plate 12. When in use, the bottom end of the internally threaded tube 11 is pressed against the end face of the rotating shaft 100, and the threaded connecting rods 31 on both sides of the internally threaded tube 11 are respectively screwed into the threaded holes 103 on the end face of the sleeve ring of the fan 102. At this time, rotating the first top cover 22 drives the threaded push rod 21 to rotate in the internally threaded tube 11. During the rotation process, the bottom end of the threaded push rod 21 gradually extends out of the bottom end of the internally threaded tube 11. Since the distance between the second top cover 32 and the end face of the sleeve ring of the fan 102 is fixed at this time, it will drive the strip orifice plate 12 to move upward (such as Figure 1 As shown, Figure 2 As shown in FIG1 , the strip-shaped orifice plate 12 moves upwards, pulling the second top cover 32 and driving the threaded connecting rod 31 to move upwards (as shown in FIG1 ). Figure 1 As shown, Figure 2As shown in the figure, the fan 102 is far away from the end face of the rotating shaft 100. Since the threaded connecting rod 31 is screwed into the threaded hole 103 on the end face of the sleeve ring of the fan 102, the threaded connecting rod 31 will pull the fan 102 to move outward, thereby separating the fan 102 from the sleeved rotating shaft 100, so that during the motor disassembly process, there is no need to dismantle the air duct. The fan 102 can be directly dismantled by this device, reducing the workload of personnel and the risk in the operation. Compared with using violent means such as hammering to dismantle the fan 102, it can avoid damage to the fan 102 when the rotating shaft 100 and the fan 102 are separated.

[0032] In one embodiment of the present application, see Figure 3 As shown, a nut 311 is provided on the threaded connecting rod 31 .

[0033] In the above embodiment, the nut 311 is arranged on the threaded connecting rod 31. On the one hand, the outer diameter of the nut 311 is larger than the inner diameter of the strip hole of the strip hole plate 12, which prevents the dismantling device from shaking when carrying and causing the threaded top rod 21 to be separated from the strip hole, which is beneficial to improving portability. On the other hand, when the threaded connecting rod 31 is screwed into the threaded hole 103 for stretching, the rod body of the threaded connecting rod 31 at the interface of the threaded hole 103 is subjected to a large tensile stress. The nut 311 can be rotated and adjusted to the interface between the threaded connecting rod 31 and the threaded hole 103, which can increase the cross-section of the threaded connecting rod 31 at the interface and prevent the threaded connecting rod 31 from being deformed or broken at the interface of the threaded hole 103.

[0034] In one embodiment of the present application, see Figure 4 As shown, a reinforcing rib 121 is provided on the outer side of the top of the strip-shaped orifice plate 12 .

[0035] In the above embodiment, a reinforcing rib 121 is provided on the outer side of the top of the strip orifice plate 12 to increase the wall thickness of the top of the strip orifice plate 12 to prevent the top of the strip orifice plate 12 from deforming when it contacts and is squeezed by the bottom end surface of the second top cover 32 .

[0036] In one embodiment of the present application, see Figure 5 As shown, the bottom end surface of the threaded push rod 21 is connected to a cushion block 211 .

[0037] In the above embodiment, the bottom end surface of the threaded push rod 21 is connected to the pad 211, which is used to reduce the hardness of the bottom end surface of the threaded push rod 21 and prevent the end surface of the rotating shaft 100 from being damaged during the rotational friction between the bottom end of the threaded push rod 21 and the end surface of the rotating shaft 100.

[0038] In one embodiment of the present application, see Figure 5 As shown, handles 122 are connected to both sides of the strip-shaped orifice plate 12 .

[0039] In the above embodiment, the handles 122 connected on both sides of the strip orifice plate 12 increase the gripping points of the strip orifice plate 12, which can be used to position the threaded connecting rod 31 when it is docked with the threaded hole 103. The gripping of the strip orifice plate 12 by the handles 122 can improve the stability of the threaded connecting rod 31 when it is rotated and docked, maintain the posture of the threaded connecting rod 31 when it is turned into the threaded hole 103, and prevent the thread from being misaligned and slipping.

[0040] In one embodiment of the present application, see Figure 1 As shown, the first top cover 22 and the second top cover 32 are polygonal prisms.

[0041] In the above embodiment, the polygonal prism has rotating surfaces in multiple directions, which makes it easier for the tool to find a suitable angle for clamping, and is beneficial to improving the convenience and flexibility of twisting the first top cover 22 and the second top cover 32.

[0042] In one embodiment of the present application, see Figure 5 As shown, the bottom end of the threaded push rod 21 is plugged with a base 4 , a washer 41 is provided at the bottom of the base 4 , and a slot 42 is provided on the top of the washer 41 .

[0043] In the above embodiment, a pit may appear on the end face of the rotating shaft 100 in actual operation, and the bottom end of the threaded top rod 21 may tilt and deviate when it abuts against the pit. The bottom end of the threaded top rod 21 may be plugged into the base 4, and a washer 41 is provided at the bottom of the base 4 to increase the contact area, improve stability, and prevent the threaded top rod 21 from deviating, which is beneficial to improving the stability of the removal of the fan 102.

[0044] During the actual use of this application: during the removal of the fan 102, first unscrew the fixing bolts on the end face of the sleeve ring of the fan 102 to expose the threaded hole 103, then abut the bottom end of the internal threaded tube 11 against the end face of the rotating shaft 100, and the threaded connecting rods 31 on both sides of the internal threaded tube 11 are respectively screwed into the threaded holes 103 on the end face of the sleeve ring of the fan 102. At this time, rotating the first top cover 22 drives the threaded push rod 21 to rotate in the internal threaded tube 11. During the rotation process, the bottom end of the threaded push rod 21 gradually extends out of the internal threaded tube 11. The bottom end of the threaded tube 11 drives the strip orifice plate 12 to move upward, and the upward movement of the strip orifice plate 12 pulls the second top cover 32 to drive the threaded connecting rod 31 to move upward. Since the threaded connecting rod 31 is screwed into the threaded hole 103 on the end face of the sleeve ring of the fan 102, the threaded connecting rod 31 will pull the fan 102 to move outward, thereby separating the fan 102 from the sleeved rotating shaft 100. The threaded top rod 21 can choose an M8 full-thread long screw, and the threaded connecting rod 31 can choose an M5 full-thread long screw.

[0045] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some or all of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A portable generator fan removal device, characterized in that: The invention comprises a bracket assembly, a push rod assembly and a connecting assembly, wherein the bracket assembly comprises an internal threaded tube (11) and a strip orifice plate (12), wherein the internal threaded tube (11) is inserted into the middle of the strip hole of the strip orifice plate (12), and the outer wall of one end of the internal threaded tube (11) is welded and fixed to the inner wall of the strip orifice plate (12), wherein the push rod assembly comprises a threaded push rod (21), wherein the outer wall of the threaded push rod (21) is provided with an external thread, and the top end of the threaded push rod (21) is connected to a first top cover (22), and the rod body of the threaded push rod (21) can be screwed into the internal threaded tube (11), and the connecting assembly comprises two threaded connecting rods (31), wherein the two threaded connecting rods (31) are respectively inserted into the strip holes of the strip orifice plates (12) on both sides of the internal threaded tube (11), and the top end of the threaded connecting rod (31) is connected to a second top cover (32).

2. The portable generator fan removal device according to claim 1, characterized in that: A nut (311) is provided on the threaded connecting rod (31).

3. The portable generator fan removal device according to claim 1, characterized in that: A reinforcing rib (121) is provided on the outer side of the top of the strip-shaped orifice plate (12).

4. The portable generator fan removal device according to claim 3, characterized in that: The bottom end surface of the threaded push rod (21) is connected to a cushion block (211).

5. The portable generator fan removal device according to claim 1, characterized in that: Handles (122) are connected to both sides of the strip-shaped perforated plate (12).

6. The portable generator fan removal device according to claim 1, characterized in that: The first top cover (22) and the second top cover (32) are polygonal prisms.

7. The portable generator fan removal device according to any one of claims 1 to 6, characterized in that: The bottom end of the threaded top rod (21) is plugged with a base (4), a washer (41) is provided at the bottom of the base (4), and a slot (42) is provided at the top of the washer (41).

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