Fan impeller dismounting tool
By designing a fan impeller disassembly fixture, and utilizing the connecting screws on the mounting plate and adjusting plate to match the impeller bolt holes, combined with the counterforce of the crank, the high risk of damage during the disassembly of large impellers using traditional tools is solved, thus achieving safe and convenient impeller disassembly.
Patent Information
- Application Number
- CN202423180918.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Traditional tools are difficult to disassemble large wind turbine impellers safely and efficiently, resulting in a high risk of damage to the casing and impeller, and the limited working space increases the labor intensity.
Design a fan impeller disassembly fixture, including a mounting base, an adjustment frame, an adjustment plate, and a control component. The impeller is disassembled by using the reverse force of the crank to adapt the connecting screw on the adjustment plate to the bolt hole of the impeller.
It enables safe and convenient impeller disassembly, reduces wear and tear on the casing and impeller, lowers labor intensity, and adapts to the disassembly needs of impellers of different sizes.
Smart Images
Figure CN223801940U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical field, and more particularly, relate to a fan impeller dismounting tool. BACKGROUND
[0002] Centrifugal fan wheel refers to axial air inlet, radial air outlet, using centrifugal force to work, make air improve pressure, according to the blade angle of impeller, centrifugal impeller can be divided into three kinds of forward tilt fan wheel, radial fan wheel, backward tilt fan wheel.
[0003] In the daily maintenance centrifugal fan dismounting impeller work, due to the fan impeller volume is larger, in the process of dismounting, traditional pull horse and other tools cannot be used, when dismounting, staff needs to use crowbar, hammer or copper bar to knock constantly to achieve the purpose of removing impeller, in the process of knocking, there is certain damage risk to the casing and impeller, and the operation space is small, not conducive to personnel operation, greatly increase the working time and labor intensity of staff, therefore, a fan impeller dismounting tool is provided to solve the above problems. UTILITARIAN CONTENT
[0004] In order to overcome the problem of large volume of impeller in the prior art, the utility model provides a fan impeller dismounting tool, which comprises a mounting seat disc, the top of the mounting seat disc is fixedly installed with an adjusting frame, a sliding groove is formed in the inner wall of the adjusting frame, an adjusting plate is slidably installed in the sliding groove, a plurality of connecting screws are screwedly installed in the adjusting plate, and the top of each connecting screw is fixedly installed with an adapter joint.
[0005] A control assembly is screwedly installed in the adjusting frame, a plurality of butt joint grooves are formed in the mounting seat disc, the hole diameter of the two butt joint grooves is larger than that of the connecting screws, and a crank is fixedly installed on the outer wall of the mounting seat disc.
[0006] Preferably, the number of adjusting plates is two, and seven threaded grooves are formed in the adjusting plate.
[0007] The number of connecting screws can be adjusted according to the number of threaded grooves.
[0008] Preferably, the seven threaded grooves formed in each adjusting plate are of different hole diameters, and a connecting screw with a hole diameter matched with the threaded groove is screwedly installed in the threaded groove.
[0009] The threaded grooves with different hole diameters can be matched with connecting screws with different sizes to adapt to the bolt holes on various impellers.
[0010] Preferably, the two ends of the adjusting plate are fixedly installed with anti-derailing anti-loose blocks.
[0011] Preferably, the control assembly comprises a lifting screw, the lifting screw is screw-mounted in the interior of the adjusting frame, a connecting sleeve head is fixedly mounted at the bottom of the lifting screw, and a square protrusion is fixedly mounted on the inner wall of the connecting sleeve head.
[0012] Preferably, a groove is formed in the top of the adapter, and the shape of the groove is matched with the square protrusion.
[0013] Preferably, the shape of the crank is "L" shape, and a non-slip rubber pad is sleeved on the outer wall of the crank.
[0014] Preferably, the number of the control assembly and the adjusting frame is two, and the two control assemblies are respectively located above the two butt joint hole grooves.
[0015] Beneficial effects:
[0016] The beneficial effects of the technical scheme of the present application are as follows:
[0017] (1) The sliding groove is formed on the adjusting frame, so that the adjusting plate can slide freely, the connecting screw that can adapt to the sizes of bolt holes of various impellers is mounted on the adjusting plate, the connecting screw is adjusted and adapted according to the use requirement, the appropriate connecting screw is connected with the impeller through the control assembly and the adapter, the centrifugal fan impeller and the mounting seat disc are integrated, the centrifugal fan shaft is reversely applied with force through the rotation of the crank, and then the fan impeller is disassembled, so that the operation is convenient, the impeller is disassembled through the knocking mode of applying external force, and the damage of the casing and the impeller is reduced.
[0018] (2) The anti-dropping block can be disassembled to take out the adjusting plate, the sizes of various centrifugal fans are not the same, the bolt hole diameters of the fan impeller are not the same, in order to meet the adaptation requirement, several commonly used bolt sizes are selected, the thread grooves with appropriate sizes are formed on the adjusting plate, the number of the connecting screw is increased or reduced, the transformation cost is low, the transformation is convenient, and the disassembly requirement of various impellers can be met. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.
[0020] Fig. 1 is a structural schematic view of the present application;
[0021] Fig. 2 is a structural bottom view of the mounting seat disc of the present application;
[0022] Fig. 3 is the structure of the crank of the utility model overhead view;
[0023] Fig. 4 is the structure of the adjusting frame of the utility model schematic view;
[0024] Fig. 5 is the structure of the control assembly of the utility model schematic view.
[0025] In the figure: 1, mounting seat disc;10, butt joint hole groove;2, adjusting frame;20, sliding groove;3, adjusting plate;30, anti-off block;4, control assembly;40, lifting screw;41, connecting sleeve head;42, square protruding block;5, crank;6, connecting screw;7, adaptive connector. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical scheme and advantage of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment. Obviously, the described embodiment is a part of the utility model embodiment, rather than all the embodiments. Therefore, the following detailed description of the utility model embodiment provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents the selected embodiment of the utility model. Based on the embodiment in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model protection.
[0027] The utility model will be further described below in combination with the drawings and embodiments, and the specific embodiments are as follows:
[0028] As Figs. 1 to 5As shown in the figure, a fan impeller dismounting tool, in this embodiment 1, including the mounting seat disc 1, the top of the mounting seat disc 1 is fixedly installed with the adjusting frame 2, the inner wall of the adjusting frame 2 is provided with the sliding groove 20, the inside of the sliding groove 20 is slidably installed with the adjusting plate 3, the inside of the adjusting plate 3 is threadedly installed with a plurality of connecting screws 6, and the top of the plurality of connecting screws 6 is fixedly installed with the adapter joint 7, each independent connecting screw 6 is installed with the adapter joint 7 at the top, so that the connecting screws 6 of different sizes can be uniformly adjusted through the adapter joint 7, the inside of the adjusting frame 2 is threadedly installed with the control assembly 4, the inside of the mounting seat disc 1 is provided with two butt joint hole slots 10, the hole diameter of the two butt joint hole slots 10 is larger than that of the plurality of connecting screws 6, the number of the adjusting plate 3 is two, and the inside of the two adjusting plates 3 is provided with seven thread grooves, the seven thread grooves provided in the inside of the adjusting plate 3 are inconsistent in hole diameter, and the inside of the seven thread grooves is threadedly installed with the connecting screw 6 matched with the hole diameter, seven thread grooves are provided on each adjusting plate 3, and the hole diameters of the thread grooves are inconsistent, so that the connecting screws 6 of different sizes can be installed, and the hole diameter of the butt joint hole slot 10 is larger than the size of any connecting screw 6, so that each connecting screw 6 can pass through the butt joint hole slot 10;
[0029] It should be noted that since the hole diameters of the bolts on the centrifugal fan impellers are inconsistent, a plurality of connecting screws 6 are arranged on the adjusting plate 3 to adapt to the connection, and the sizes of the connecting screws 6 are different, so that different impellers can be adapted and threadedly connected through the self-provided bolt holes, so as to dismount the impeller. Of course, the number of the connecting screws 6 and the thread grooves on the adjusting plate 3 is not fixed, and the number of the connecting screws 6 can be increased or reduced according to the size of the actual centrifugal fan impeller. The anti-loosening clamping block 30 can be easily replaced to replace the adjusting plate 3.
[0030] As shown in the figure, Figs. 1 to 5 A fan impeller dismounting tool, in this embodiment 2, the control assembly 4 comprises a lifting screw 40, and the lifting screw 40 is threadedly installed in the inside of the adjusting frame 2, the bottom of the lifting screw 40 is fixedly installed with a connecting sleeve head 41, the inner wall of the connecting sleeve head 41 is fixedly installed with a square protrusion 42, the top of the adapter joint 7 is provided with a groove, and the shape of the groove is matched with the square protrusion 42, the connecting sleeve head 41 can be sleeved on the outside of the adapter joint 7, and the square protrusion 42 on the inner wall of the connecting sleeve head 41 can be engaged with the groove at the top of the adapter joint 7, so that when the lifting screw 40 rotates, the connecting sleeve head 41 will drive the adapter joint 7 to rotate together;
[0031] In addition, since the size of each adapter joint 7 is consistent, the connecting sleeve 41 can be connected to the connecting screw 6 of different sizes through the adapter joint 7, and the corresponding connecting screw 6 is driven to rotate and displace.
[0032] Working principle: first, the mounting seat disc 1 is attached to the centrifugal fan impeller, and the two butt joint groove 10 is aligned with the bolt hole on the impeller, the hole diameter of the butt joint groove 10 is larger than the bolt hole of the impeller and the connecting screw 6, the sliding adjusting plate 3 is adjusted by the sliding groove 20 to make the connecting screw 6 of appropriate size move above the butt joint groove 10, and the connecting sleeve 41 is lowered by rotating the lifting screw 40 and finally engaged with the adapter joint 7 below, at this time, continue to rotate the lifting screw 40 to drive the connecting screw 6 to penetrate the butt joint groove 10 and be screwed and fixed with the corresponding bolt hole on the impeller, after the fixing is completed, the crank 5 is rotated, and the centrifugal fan shaft is separated from the mounting seat disc 1 and the impeller by using the reaction force, so as to achieve the purpose of conveniently dismounting the impeller.
[0033] The preferred embodiments of the utility model are described above only, and are not used to limit the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A fan impeller dismounting tool, characterized in that, Including the mounting seat disc (1), the top of mounting seat disc (1) is fixedly installed with adjusting frame (2), the inner wall of adjusting frame (2) is provided with sliding groove (20), the inside of sliding groove (20) is slidably installed with adjusting plate (3), the inside of adjusting plate (3) is threadedly installed with several connecting screw rods (6), and the top of several connecting screw rods (6) is fixedly installed with adapter joint (7); The inside of adjusting frame (2) is threadedly installed with control assembly (4), the inside of mounting seat disc (1) is provided with two butt joint hole slots (10), the hole diameter of two butt joint hole slots (10) is greater than that of several connecting screw rods (6), and the outer wall of mounting seat disc (1) is fixedly installed with crank (5).
2. The fan impeller dismounting tool according to claim 1, characterized in that, The number of adjusting plate (3) is two, and the inside of two adjusting plate (3) is provided with seven thread grooves.
3. The fan impeller dismounting tool according to claim 2, characterized in that, The hole diameter of seven thread grooves in each adjusting plate (3) is inconsistent, and the inside of seven thread grooves is threadedly installed with connecting screw rod (6) matched with the hole diameter.
4. The fan impeller dismounting tool according to claim 3, characterized in that, The two ends of two adjusting plate (3) are fixedly installed with anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing anti-derailing 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The fan impeller dismounting tool according to claim 1, characterized in that, 6. The fan impeller dismounting tool according to claim 5, characterized in that, 7. The fan impeller dismounting tool according to claim 1, characterized in that, 8. The fan impeller dismounting tool according to claim 1, characterized in that,