Middle support for coupling of Roots blower

Abstract

The utility model relates to the technical field of air blowers, in particular to a middle support for a coupling of a Roots blower. The connecting device comprises a connecting body, the two ends of the connecting body are connected with a motor connecting plate and a fan connecting plate respectively, the motor connecting plate is externally connected to a motor shell, the fan connecting plate is externally connected to a fan shell, the connecting body is cylindrical, and an observation hole is formed in the side wall of the connecting body. Connection transition of the motor and the fan is achieved through the coupler middle support, the connection stability between the motor and the fan is improved, damage to the connection position caused by mutual vibration is reduced, the observation hole facilitates connection of a motor main shaft and a fan main shaft and observation and maintenance of the coupler, and the observation hole facilitates heat dissipation of the coupler.

Description

Technical Field

[0001] The utility model relates to the technical field of blowers, in particular to a middle bracket of a coupling of a Roots blower. Background Art

[0002] As an important industrial blowing equipment, blowers are widely used in chemical, metallurgical, energy and other industries. Blowers include Roots blowers and centrifugal blowers and other types. Among them, Roots blowers are widely used because of their convenient control of speed and air volume and their light weight.

[0003] The motor and the blower main shaft of the Roots blower are connected by a coupling. During operation, vibration of the device may cause misalignment between the motor and the blower main shaft, resulting in a loose connection and affecting the service life of the equipment. Utility Model Content

[0004] In order to reduce the damage to the connection caused by the vibration of the interaction between the motor and the fan, the utility model provides a Roots blower coupling center support.

[0005] The utility model provides a Roots blower coupling center support adopts the following technical solution:

[0006] A Roots blower coupling center support comprises a connecting body, wherein two ends of the connecting body are respectively connected to a motor connecting plate and a fan connecting plate, wherein the motor connecting plate is externally connected to a motor housing, and the fan connecting plate is externally connected to a fan housing, and the connecting body is cylindrical and has an observation hole on its side wall.

[0007] By adopting the above technical solution, the connection transition between the motor and the fan is realized through the coupling center support, the connection stability between the motor and the fan is improved, and the damage to the connection caused by mutual vibration is reduced. The observation hole is convenient for observing and repairing the connection and coupling of the motor main shaft and the fan main shaft, and the observation hole is conducive to heat dissipation at the coupling.

[0008] Preferably, the observation holes are rectangular through holes and are evenly distributed around the wall of the connecting body.

[0009] By adopting the above technical solution, the uniform distribution of the observation holes is conducive to maintaining the overall support while achieving uniform heat dissipation.

[0010] Preferably, the motor connecting plate extends toward the inside of the connecting body and has a motor spindle mounting hole reserved in the middle.

[0011] Preferably, the motor connecting plate is provided with motor bolt holes, which are evenly arranged around the motor main shaft mounting hole and correspond to the bolt holes on the external motor housing.

[0012] By adopting the above technical solution, the motor connecting plate and the motor housing are adapted to each other, which is beneficial to improving the connection stability between the center support and the motor, and the bolt connection is convenient for installation and disassembly.

[0013] Preferably, the fan connecting plate extends outwardly of the connecting body and is provided with a fan shaft mounting hole in the middle.

[0014] Preferably, the fan connecting plate is provided with fan bolt holes, and the fan bolt holes are evenly arranged around the connecting body and correspond to the bolt holes on the external fan housing.

[0015] By adopting the above technical solution, the fan connecting plate and the fan housing are adapted to each other, which is beneficial to improving the connection stability between the center support and the fan, and the bolt connection is convenient for installation and disassembly.

[0016] Preferably, support ribs are provided between the outer side of the connection body and the fan connection plate, and the support ribs are evenly arranged around the outer wall of the connection body.

[0017] By adopting the above technical solution, the supporting ribs are beneficial to improving the connection strength between the outer side of the main body and the fan connecting plate and reducing deformation.

[0018] In summary, the utility model has the following beneficial technical effects:

[0019] 1. The connection transition between the motor and the fan is realized through the coupling center support, which improves the connection stability between the motor and the fan and reduces the damage to the connection caused by mutual vibration. The observation hole is convenient for observing and repairing the connection between the motor main shaft and the fan main shaft and the coupling, and the observation hole is conducive to heat dissipation at the coupling.

[0020] 2. The evenly distributed observation holes are conducive to maintaining overall support while achieving uniform heat dissipation. The motor connecting plate and the motor housing are compatible with each other, which is conducive to improving the stability of the connection between the center support and the motor, and the bolt connection is convenient for installation and disassembly. The fan connecting plate and the fan housing are compatible with each other, which is conducive to improving the stability of the connection between the center support and the fan, and the bolt connection is convenient for installation and disassembly. The supporting ribs are conducive to improving the connection strength between the outer side of the main body and the fan connecting plate and reducing deformation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 for Figure 1 Schematic diagram from another perspective.

[0023] Description of reference numerals:

[0024] 1. Connecting body, 11. Observation hole, 2. Motor connecting plate, 21. Motor bolt hole, 22. Motor main shaft mounting hole, 3. Fan connecting plate, 31. Fan bolt hole, 32. Fan shaft mounting hole, 4. Support ribs. DETAILED DESCRIPTION

[0025] The following is combined with Figure 1-2 The utility model is described in further detail. Example

[0026] The utility model embodiment discloses a Roots blower coupling middle bracket, referring to Figure 1 and 2 , including a connecting body 1, wherein two ends of the connecting body 1 are respectively connected to a motor connecting plate 2 and a fan connecting plate 3, wherein the motor connecting plate 2 is externally connected to the motor housing, and the fan connecting plate 3 is externally connected to the fan housing, and the connecting body 1 is cylindrical and has an observation hole 11 on the side wall.

[0027] During installation, first lift the whole and transport it to the fan installation site, then use a pneumatic drill to connect and fix the connecting body 1 to the fan casing through the fan connecting plate 3, then move the motor to the motor connecting plate 2, and also use a pneumatic drill to connect the motor connecting plate 2 and the motor casing. Example

[0028] Reference Figure 1 and 2 The observation holes 11 are rectangular through holes and are evenly distributed around the wall of the connecting body 1 .

[0029] The corners of the observation hole 11 are provided with rounded corner structures.

[0030] Reference Figure 1 and 2 The motor connecting plate 2 extends toward the inner side of the connecting body 1 and has a motor spindle mounting hole 22 reserved in the middle.

[0031] The upper surface of the motor connecting plate 2 is provided with a stepped boss, which is beneficial to improving the stability of bolt installation.

[0032] Reference Figure 1 and 2 The motor connecting plate 2 is provided with motor bolt holes 21, and the motor bolt holes 21 are evenly arranged around the motor spindle mounting hole 22 and correspond to the bolt holes on the external motor housing.

[0033] The number of motor bolt holes 21 is 4 to 6.

[0034] Reference Figure 1 and 2 The fan connecting plate 3 extends toward the outside of the connecting body 1 and has a fan shaft mounting hole 32 reserved in the middle.

[0035] Reference Figure 1 and 2 The fan connecting plate 3 is provided with fan bolt holes 31 , and the fan bolt holes 31 are evenly arranged around the connecting body 1 and correspond to the bolt holes on the external fan housing.

[0036] The number of the fan bolt holes 31 is 6 to 8.

[0037] The fan bolt hole 31 is in a strip or slot shape, which is convenient for positioning with the bolt hole on the fan housing and allows for installation errors.

[0038] Reference Figure 1 and 2 A supporting rib 4 is arranged between the outer side of the connecting body 1 and the fan connecting plate 3 , and the supporting ribs 4 are evenly arranged around the outer wall of the connecting body 1 .

[0039] The above are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A Roots blower coupling support, characterized in that: It comprises a connecting body (1), the two ends of which are respectively connected to a motor connecting plate (2) and a fan connecting plate (3), the motor connecting plate (2) being externally connected to a motor housing, and the fan connecting plate (3) being externally connected to a fan housing; The connecting body (1) is cylindrical and has an observation hole (11) on its side wall.

2. The Roots blower coupling center support according to claim 1, characterized in that: The observation holes (11) are rectangular through holes and are evenly distributed around the wall of the connecting body (1).

3. The Roots blower coupling center support according to claim 1, characterized in that: The motor connecting plate (2) extends toward the inside of the connecting body (1) and is provided with a motor main shaft mounting hole (22) in the middle.

4. The Roots blower coupling support according to claim 3, characterized in that: The motor connection plate (2) is provided with motor bolt holes (21), the motor bolt holes (21) are evenly arranged around the motor main shaft mounting hole (22) and correspond to the bolt holes on the external motor housing.

5. The Roots blower coupling center bracket according to claim 1, characterized in that: The fan connection plate (3) extends toward the outside of the connection body (1) and is provided with a fan shaft mounting hole (32) in the middle.

6. The Roots blower coupling center bracket according to claim 5, characterized in that: The fan connection plate (3) is provided with fan bolt holes (31), and the fan bolt holes (31) are evenly arranged around the connection body (1) and correspond to the bolt holes on the external fan housing.

7. The Roots blower coupling center bracket according to claim 1, characterized in that: Support ribs (4) are provided between the outer side of the connection body (1) and the fan connection plate (3), and the support ribs (4) are evenly arranged around the outer wall of the connection body (1).

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