Dismounting device for centrifugal fan impeller

Abstract

The utility model discloses a centrifugal fan impeller dismounting device which comprises a dismounting device body, the dismounting device body comprises a main frame, three first auxiliary I-shaped steel plates are welded and fixed to the middle of one side of the main frame, and second auxiliary I-shaped steel plates are fixed to the ends of the two first auxiliary I-shaped steel plates through bolts; by designing a pressure-applying dismounting mechanism, a dismounting device main body can be closed on one side of a connecting end of a motor and an impeller through a main frame and an auxiliary I-shaped steel plate I, is positioned on the surface of a shell and is connected and locked through screws, and the end part of a pressure-applying cylinder is clamped with the interior of a connecting block and then is reinforced and mounted; therefore, after being fixedly mounted, the pressure cylinder is in contact with the middle part of the impeller motor shaft, the jack moves to drive the pressure cylinder to move for pressurization, and the impeller of the fan is separated from the shell and the motor shaft during pressurization, so that the disassembly is simpler and more convenient, and meanwhile, the pressure cylinder is more stably ejected and disassembled; and the convenience of dismounting the centrifugal fan impeller by the dismounting device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of disassembly devices, and in particular relates to a disassembly device for a centrifugal fan impeller. Background Art

[0002] The centrifugal fan impeller is one of the main components inside the centrifugal fan. When the centrifugal fan is used for a long time in a high-temperature dusty state and needs to be disassembled for maintenance, the impeller is usually disassembled and maintained by a disassembly device. The existing disassembly device is a device used for disassembly when the centrifugal fan impeller is damaged during maintenance. When the disassembly device disassembles the impeller, the device is fixed on the surface of the centrifugal fan casing and fixed. The movement of the jack drives the pressure cylinder to move to apply pressure. When pressurizing, the impeller of the fan is separated from the casing and the motor shaft, making disassembly simpler and more convenient, and stable ejection and disassembly are achieved, thereby improving the convenience of the disassembly device body in disassembling the centrifugal fan impeller.

[0003] Existing production workshops need to be equipped with centrifugal fans for operation when producing Chinese medicines. During the production process, the fan operates in a high-temperature environment and dust. When the fan motor is repaired, the fan impeller needs to be removed. The impeller is large and is used in a high-temperature dusty environment for a long time. It is difficult to remove it. The top screw reserved at the impeller mouth and the commonly used puller make it difficult to disassemble and repair the impeller, which makes disassembly inconvenient and affects the convenience of the disassembly device for disassembling the centrifugal fan impeller. For this reason, the utility model proposes a disassembly device for a centrifugal fan impeller. Utility Model Content

[0004] The purpose of the utility model is to provide a disassembly device for a centrifugal fan impeller to solve the problem proposed in the above background technology that when the centrifugal fan is in operation, the fan impeller is used in a high-temperature dusty state for a long time, and it is difficult to remove it for disassembly and maintenance. The top screw reserved at the impeller mouth and the commonly used puller make it difficult to disassemble and repair the impeller, resulting in inconvenience in disassembly and affecting the convenience of the disassembly device in disassembling the centrifugal fan impeller.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a disassembly device for a centrifugal fan impeller, comprising a disassembly device body, the disassembly device body comprising a main frame, three auxiliary I-beam steel plates 1 being welded and fixed at a middle position on one side of the main frame, and auxiliary I-beam steel plates 2 being fixed to the ends of two of the auxiliary I-beam steel plates 1 by bolts, the disassembly device body further comprising:

[0006] A pressure disassembly mechanism, comprising a pressure assembly disposed in the middle of one side of the main frame, an ejection assembly disposed at the end of the pressure assembly, a reinforcement clamping assembly disposed at the top edge of the pressure assembly, and an adjustment assembly disposed at the end of the reinforcement clamping assembly;

[0007] The ejection anti-slip mechanism includes an anti-slip component arranged at the end of the ejection component, and a mounting component is provided at the connection between the end of the anti-slip component and the end of the ejection component.

[0008] Preferably, the pressure assembly includes a fixed steel plate welded and fixed at a middle position inside the main frame, a jack is fixed to one side of the fixed steel plate by bolts, and a connecting block is fixed to the end of the jack by bolts.

[0009] Preferably, the ejection assembly includes a pressure cylinder arranged on one side of the connecting block, and the end of the pressure cylinder is embedded in the interior of the connecting block.

[0010] Preferably, the reinforcement clamping assembly includes a fixed block welded and fixed at the edge of one side of the connecting block, a limited movement groove is provided inside the fixed block, the internal limited sliding of the limited reinforcement clamping block of the limited movement groove is provided, and a reinforcement clamping hole is provided at the end edge of the pressure cylinder, and the end of the limited reinforcement clamping block is consistent with the internal structure of the reinforcement clamping hole.

[0011] Preferably, the adjustment assembly includes a threaded adjustment rod arranged at the top end of the limiting movable groove, the bottom end of the threaded adjustment rod is fixed to the top end of the limiting reinforcement block by welding, and the top end of the threaded adjustment rod is located on the surface of the fixed block and is rotated with an adjustment nut.

[0012] Preferably, the anti-slip assembly includes a connector provided at the end of the pressure cylinder, and a friction ring is integrally formed on the lower surface of the connector.

[0013] Preferably, the mounting assembly includes a threaded column integrally formed at the middle position of the upper surface of the connecting head, an internal threaded hole is opened at the middle position of the bottom end of the pressure cylinder, and the ends of the connecting head and the pressure cylinder are fixed by internal rotation of the threaded column and the internal threaded hole.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] By designing a pressure disassembly mechanism, the main body of the disassembly device can be closed on the side of the connection end between the motor and the impeller on the surface of the shell through the main frame and the auxiliary I-beam plate and locked by screw connection. The end of the pressure cylinder is again engaged with the inside of the connecting block and reinforced for installation. After the pressure cylinder is fixed and installed and contacts the middle part of the impeller motor shaft, the movement of the jack drives the pressure cylinder to move for pressurization. When pressurized, the impeller of the fan is separated from the shell and the motor shaft, making disassembly simpler and more convenient. At the same time, the pressure cylinder is more stable for ejection and disassembly, thereby improving the convenience of the disassembly device body for disassembling the centrifugal fan impeller. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a structural diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the top view of the connecting block, pressure cylinder and fixing block of the utility model;

[0018] Figure 3 For this utility model Figure 2 Schematic diagram of the three-dimensional structure of the enlarged part A in the middle;

[0019] Figure 4 This is a partial cross-sectional structural diagram of the connector, friction ring and pressure cylinder of the present invention;

[0020] Figure 5 This is a schematic diagram of the structure of the disassembly device body and the centrifugal wind power installation and disassembly impeller of the utility model;

[0021] In the figure: 100, disassembly device body; 101, main frame; 1011, fixed steel plate; 1012, jack; 1013, connecting block; 1014, pressure cylinder; 1015, fixing block; 1016, adjusting nut; 1017, threaded adjusting rod; 1018, limit reinforcement block; 1019, reinforcement hole; 1010, limit movement groove; 102, auxiliary I-beam steel plate 1; 103, auxiliary I-beam steel plate 2; 104, connecting head; 1041, friction ring; 1042, internal threaded hole; 1043, threaded column. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figures 1 to 5 The present invention provides a technical solution: a disassembly device for a centrifugal fan impeller, comprising a disassembly device body 100, the disassembly device body 100 comprising a main frame 101, three auxiliary I-beam steel plates 102 welded and fixed at the middle position of one side of the main frame 101, and auxiliary I-beam steel plates 2 103 fixed at the ends of the two auxiliary I-beam steel plates 102 by bolts, so that the disassembly device body 100 can be fixed to the surface of the centrifugal fan housing through the main frame 101 and the auxiliary I-beam steel plates 102, so as to facilitate the fixed installation and disassembly of the impeller. The disassembly device body 100 is also provided with:

[0024] A pressure-applying disassembly mechanism includes a pressure assembly arranged at a middle position on one side inside the main frame 101, an ejection assembly is arranged at the end of the pressure assembly, a reinforcement clamping assembly is arranged at the top edge of the pressure assembly, and an adjustment assembly is arranged at the end of the reinforcement clamping assembly. When the disassembly device main body 100 disassembles the centrifugal fan, the pressure-applying disassembly mechanism quickly and conveniently disassembles the impeller, and the disassembly is simpler and more convenient. At the same time, the pressure cylinder 1014 is more stably ejected and disassembled, thereby improving the convenience of the disassembly device main body 100 in disassembling the centrifugal fan impeller.

[0025] In order to provide power for pressure disassembly when disassembling the impeller, in this embodiment, preferably, the pressure assembly includes a fixed steel plate 1011 welded and fixed at the middle position on the inner side of the main frame 101, and the jack 1012 is fixedly installed by the fixed steel plate 1011. The jack 1012 is fixed to one side of the fixed steel plate 1011 by bolts, and the end of the jack 1012 is fixed to a connecting block 1013 by bolts, so that after the jack 1012 is fixedly installed, the jack 1012 applies pressure to the connecting block 1013 and the pressure cylinder 1014 for pressure disassembly operation.

[0026] In order to facilitate the ejection and disassembly operation of the impeller through the ejection assembly and make disassembly more convenient, in this embodiment, preferably, the ejection assembly includes a pressure cylinder 1014 arranged on one side of the connecting block 1013, and the end of the pressure cylinder 1014 is embedded in the interior of the connecting block 1013. When pressure is applied to the connecting block 1013 and the pressure cylinder 1014 by the jack 1012, the impeller is disassembled when the pressure cylinder 1014 contacts the motor shaft to apply pressure.

[0027] In order to facilitate the closing of the pressure cylinder 1014 on the end of the connecting block 1013 and then fixing it again through the reinforcement clamping assembly, in this embodiment, preferably, the reinforcement clamping assembly includes a fixed block 1015 welded and fixed at the edge of one side of the connecting block 1013, and a limited movement groove 1010 is provided inside the fixed block 1015. The internal limited sliding of the limited movement groove 1010 is a limited reinforcement block 1018, which is convenient for adjusting the internal limited movement of the limited reinforcement block 1018 in the limited movement groove 1010. A reinforcement clamping hole 1019 is provided at the end edge of the pressure cylinder 1014, and the end of the limited reinforcement block 1018 is matched with the internal structure of the reinforcement clamping hole 1019 until the end of the limited reinforcement block 1018 is limitedly clamped inside the reinforcement clamping hole 1019 to reinforce the pressure cylinder 1014, making the pressure disassembly operation more stable.

[0028] In order to facilitate the movement and reinforcement installation of the limit reinforcement block 1018 through the adjustment component, in this embodiment, preferably, the adjustment component includes a threaded adjustment rod 1017 arranged at the top end of the limit movement groove 1010, and the bottom end of the threaded adjustment rod 1017 is fixed to the top end of the limit reinforcement block 1018 by welding. The top end of the threaded adjustment rod 1017 is located on the surface of the fixed block 1015 and is rotated with an adjustment nut 1016. The rotating adjustment nut 1016 drives the threaded adjustment rod 1017 to move. When the threaded adjustment rod 1017 moves, it drives the limit reinforcement block 1018 to move within the limit movement groove 1010, and is convenient for moving, engaging and reinforcing installation and use.

[0029] An ejection anti-slip mechanism is provided, and the ejection anti-slip mechanism includes an anti-slip component arranged at the end of the ejection component. An installation component is provided at the connection between the end of the anti-slip component and the end of the ejection component. When the disassembly device main body 100 disassembles the impeller, the end of the pressure cylinder 1014 contacts the end surface of the motor shaft by the ejection anti-slip mechanism for anti-slip ejection. The ejection is more stable and is not prone to slight sliding and deviation, thereby improving the anti-slip effect of the disassembly device main body 100 on the disassembly and ejection of the centrifugal fan impeller and the stability of the ejection and disassembly.

[0030] In order to facilitate the anti-slip contact between the end of the pressure cylinder 1014 and the end of the motor shaft through the anti-slip component, and to prevent slight sliding and deviation from occurring during ejection and disassembly, in this embodiment, preferably, the anti-slip component includes a connector 104 arranged at the end of the pressure cylinder 1014, and a friction ring 1041 is integrally formed on the lower surface of the connector 104. After the connector 104 and the friction ring 1041 are fixed to the end of the pressure cylinder 1014, the friction ring 1041 contacts the surface of the motor shaft when the pressure cylinder 1014 is ejected, and the ejection and disassembly is more stable.

[0031] In order to facilitate the fixing of the connector 104 and the friction ring 1041 at the end of the pressure cylinder 1014 through the installation component, so as to facilitate installation and use, in this embodiment, preferably, the installation component includes a threaded column 1043 integrally formed in the middle position of the upper surface of the connector 104, and an internal threaded hole 1042 is opened in the middle position of the bottom end of the pressure cylinder 1014. The connector 104 and the friction ring 1041 are fixedly installed by rotating the threaded column 1043 inside the internal threaded hole 1042, so as to facilitate the fixed installation of the friction ring 1041 for anti-slip protection.

[0032] The main frame 101 of the present invention is formed by welding a plurality of I-shaped steels of different specifications.

[0033] The working principle and use process of the present invention are as follows: before using the centrifugal fan impeller disassembly device, first, the disassembly device body 100 is closed on the side of the connection end between the motor and the impeller on the shell surface through the main frame 101 and the auxiliary I-beam steel plate 102 and locked by screw connection, and then the auxiliary I-beam steel plate 2 103 is fixed to the ends of the two auxiliary I-beam steel plates 102 for reinforcement. After locking, the end of the pressure cylinder 1014 is clamped in the inside of the connecting block 1013, and the adjusting nut 1016 is rotated at the end of the threaded adjusting rod 1017 to drive the threaded adjusting rod 1017 to screw in and move. When the threaded adjustment rod 1017 moves, it drives the limiting reinforcement block 1018 to move within the limiting movement groove 1010 and engage with the reinforcement card hole 1019 to reinforce the pressure cylinder 1014. After the pressure cylinder 1014 is fixed and installed and contacts the middle part of the impeller motor shaft, the movement of the jack 1012 drives the pressure cylinder 1014 to move for pressurization, and when pressurizing, the impeller of the fan is separated from the housing and the motor shaft, making disassembly simpler and more convenient. At the same time, the pressure cylinder 1014 is more stably ejected and disassembled, thereby improving the convenience of the disassembly device body 100 for disassembling the centrifugal fan impeller.

[0034] Then, before the disassembly device main body 100 disassembles the centrifugal fan impeller, the pressure cylinder 1014 is fixed to the end of the connecting block 1013, and the threaded column 1043 is rotated inside the internal threaded hole 1042 again to fix the connector 104 and the friction ring 1041 to the end of the pressure cylinder 1014. When the end of the pressure cylinder 1014 is closed, the friction ring 1041 contacts the end of the motor shaft for anti-slip protection and ejection. It is not easy to produce slight deviation during the ejection operation, and the impeller can be ejected and disassembled more accurately by applying pressure, thereby improving the anti-slip effect of the disassembly device main body 100 in disassembling and ejecting the centrifugal fan impeller and the stability of the ejection and disassembly.

[0035] Although embodiments of the present invention have been shown and described (see the detailed description above for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A disassembly device for a centrifugal fan impeller, comprising a disassembly device body (100), wherein the disassembly device body (100) comprises a main frame (101), three auxiliary I-shaped steel plates (102) are welded and fixed at the middle position of one side of the main frame (101), and auxiliary I-shaped steel plates (103) are fixed to the ends of two of the auxiliary I-shaped steel plates (102) by bolts, characterized in that: The disassembly device body (100) is further provided with: A pressure disassembly mechanism, comprising a pressure assembly arranged at a middle position on one side inside the main frame (101), an ejection assembly being arranged at the end of the pressure assembly, a reinforcement clamping assembly being arranged at the top edge of the pressure assembly, and an adjustment assembly being arranged at the end of the reinforcement clamping assembly; The ejection anti-slip mechanism includes an anti-slip component arranged at the end of the ejection component, and a mounting component is provided at the connection between the end of the anti-slip component and the end of the ejection component.

2. The centrifugal fan impeller disassembly device according to claim 1, characterized in that: The pressure assembly comprises a fixed steel plate (1011) welded and fixed at a middle position inside the main frame (101); a jack (1012) is fixed to one side of the fixed steel plate (1011) by bolts; and a connecting block (1013) is fixed to the end of the jack (1012) by bolts.

3. The centrifugal fan impeller disassembly device according to claim 2, characterized in that: The ejection assembly comprises a pressure cylinder (1014) arranged on one side of the connection block (1013), and the end of the pressure cylinder (1014) is embedded in the interior of the connection block (1013).

4. The centrifugal fan impeller disassembly device according to claim 3, characterized in that: The reinforcement clamping assembly comprises a fixed block (1015) welded and fixed at one side edge of the connecting block (1013); a limited movable groove (1010) is provided inside the fixed block (1015); a limited sliding reinforcement clamping block (1018) is provided inside the limited movable groove (1010); a reinforcement clamping hole (1019) is provided at the end edge of the pressure cylinder (1014); and the end of the limited reinforcement clamping block (1018) is consistent with the internal structure of the reinforcement clamping hole (1019).

5. The centrifugal fan impeller disassembly device according to claim 4, characterized in that: The adjustment assembly comprises a threaded adjustment rod (1017) arranged at the top end inside the limiting movable groove (1010), the bottom end of the threaded adjustment rod (1017) and the top end of the limiting reinforcement block (1018) are fixed by welding, and the top end of the threaded adjustment rod (1017) is located on the surface of the fixed block (1015) and is rotatably provided with an adjustment nut (1016).

6. The centrifugal fan impeller disassembly device according to claim 3, characterized in that: The anti-slip assembly comprises a connecting head (104) arranged at the end of a pressure cylinder (1014), and a friction ring (1041) is integrally formed on the lower surface of the connecting head (104).

7. The centrifugal fan impeller disassembly device according to claim 6, characterized in that: The mounting assembly includes a threaded column (1043) integrally formed at the middle position of the upper surface of the connector (104), an internal threaded hole (1042) is provided at the middle position of the bottom end of the pressure cylinder (1014), and the ends of the connector (104) and the pressure cylinder (1014) are fixed by internal rotation of the threaded column (1043) and the internal threaded hole (1042).

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