CN219827145U - Intermediate shaft transmission device for eliminating shearing force of Roots blower shaft - Google Patents
Intermediate shaft transmission device for eliminating shearing force of Roots blower shaft Download PDFInfo
- Publication number
- CN219827145U CN219827145U CN202320686137.1U CN202320686137U CN219827145U CN 219827145 U CN219827145 U CN 219827145U CN 202320686137 U CN202320686137 U CN 202320686137U CN 219827145 U CN219827145 U CN 219827145U
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- Prior art keywords
- shaft
- intermediate shaft
- blower
- half coupling
- shearing force
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 15
- 238000010008 shearing Methods 0.000 title claims abstract description 15
- 230000008878 coupling Effects 0.000 claims abstract description 42
- 238000010168 coupling process Methods 0.000 claims abstract description 42
- 238000005859 coupling reaction Methods 0.000 claims abstract description 42
- 230000008030 elimination Effects 0.000 claims description 2
- 238000003379 elimination reaction Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Applications Or Details Of Rotary Compressors (AREA)
- General Details Of Gearings (AREA)
Abstract
The utility model discloses an intermediate shaft transmission device for eliminating shearing force on a Roots blower shaft, which comprises symmetrically arranged brackets, wherein an intermediate shaft is arranged between the brackets, one side of the intermediate shaft is provided with a coupling group, and the intermediate shaft rotates to drive the coupling group to rotate so as to drive the blower shaft to rotate. The utility model avoids the defect that a large motor drives the Roots blower to generate shearing force, avoids the fault of oil leakage of the auxiliary oil tank, ensures that the transmission mode is more reasonable, further plays a role in protecting the Roots blower, and prolongs the overall service life of the blower.
Description
Technical Field
The utility model relates to the technical field of Roots fans, in particular to an intermediate shaft transmission device for eliminating shearing force of a Roots fan shaft.
Background
In the prior art, as shown in the attached figure 1 of the specification, the belt-connected transmission of the fan is that a fan belt pulley 12 is directly arranged at the position extending from a fan shaft, a motor belt pulley 13 is arranged at the position extending from the motor shaft, after the motor runs, the tension force of a belt directly acts on the fan shaft, and the mode is feasible when a normal motor drives the fan, but under special conditions, when a large motor is required to drive the fan, the tension force generated on the fan shaft is too strong, so that the oil leakage fault of a secondary oil tank is caused.
Disclosure of Invention
The utility model provides an intermediate shaft transmission device for eliminating shearing force on a Roots blower shaft, which aims to solve the technical problem that oil leakage of a secondary oil tank is caused by too strong tension force on the blower shaft by a large motor electric blower.
The utility model is realized by the following measures:
the utility model provides a to jackshaft transmission of roots's fan axle elimination shearing force, includes the support that the symmetry set up, be provided with the jackshaft between the support, jackshaft one side is provided with the shaft coupling group, the jackshaft is rotatory to drive the shaft coupling group rotation, and then drives the fan axle rotation.
Preferably, the coupling group comprises a middle shaft half coupling and a fan shaft half coupling, wherein the middle shaft half coupling is arranged at one end of the middle shaft, the fan shaft half coupling is arranged on the fan shaft, and the middle shaft half coupling is fixedly connected with the fan shaft half coupling.
Preferably, the fan shaft half coupling is provided with a mounting hole A, the intermediate shaft half coupling is provided with a mounting hole B, the mounting hole B and the mounting hole A are concentrically arranged, a pin is arranged in the mounting hole A and the mounting hole B, a rubber pad is arranged on the pin, and the rubber pad is arranged in the mounting hole A of the fan shaft half coupling.
Preferably, a belt pulley A is arranged on the intermediate shaft between the brackets, a motor is arranged on one side of the brackets, a belt pulley B is arranged on an output shaft of the motor, and a V-belt is arranged between the belt pulley A and the belt pulley B.
Preferably, the support is provided with a bearing, the bearing sleeve is arranged on the intermediate shaft, the front side of the bearing is provided with a framework oil seal A, the framework oil seal A is arranged at the step A of the intermediate shaft, the rear side of the bearing is provided with a bearing end cover, a framework oil seal B is arranged in the bearing end cover, and the framework oil seal B is arranged at the step B of the intermediate shaft.
The utility model has the beneficial effects that:
the utility model avoids the defect that a large motor drives the Roots blower to generate shearing force, avoids the fault of oil leakage of the auxiliary oil tank, ensures that the transmission mode is more reasonable, further plays a role in protecting the Roots blower, and prolongs the overall service life of the blower.
Drawings
Fig. 1 is a schematic diagram of a prior art large motor and Roots motor shaft belt.
FIG. 2 is a schematic view of the overall structure of the Roots blower according to the present utility model.
Fig. 3 is a front view of the present utility model.
Fig. 4 is a top view of the present utility model.
Wherein, the reference numerals are as follows: 1. a bracket; 2. an intermediate shaft; 3. a coupling set; 31. a middle shaft half coupling; 32. a fan shaft half coupling; 33. a pin; 34. a rubber pad; 4. a belt pulley A;5. a motor; 6. a belt pulley B;7. a V-belt; 8. a bearing; 9. a framework oil seal A;10. a bearing end cap; 11. a framework oil seal B;12. a fan belt wheel; 13. and a motor belt wheel.
Detailed Description
In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.
Referring to fig. 2, an intermediate shaft transmission device for eliminating shearing force on a Roots blower shaft comprises symmetrically arranged brackets 1, wherein an intermediate shaft 2 is arranged between the brackets 1, a shaft coupling group 3 is arranged on one side of the intermediate shaft 2, and the intermediate shaft 2 rotates to drive the shaft coupling group 3 to rotate so as to drive the blower shaft to rotate.
The utility model aims to solve the problem that the large motor belt is directly acted on the fan shaft of the Roots fan, and is additionally provided with the intermediate shaft belt to drive the coupler group to rotate so as to drive the fan to operate, thereby avoiding the problem that the large motor drives the Roots fan shaft to produce strong shearing, and the action of the bracket ensures that the intermediate shaft and the center of the fan shaft are highly concentric and coaxial.
Referring to fig. 3, the coupling set 3 includes a middle shaft half coupling 31 and a fan shaft half coupling 32, the middle shaft half coupling 31 is disposed at one end of the middle shaft 2, the fan shaft half coupling 32 is disposed on the fan shaft, and the middle shaft half coupling 31 is fixedly connected with the fan shaft half coupling 32.
Referring to fig. 3, a mounting hole a is provided on the fan shaft half coupling 32, a mounting hole B is provided on the intermediate shaft half coupling 31, the mounting hole B is concentrically provided with the mounting hole a, a pin 33 is provided in the mounting hole a and the mounting hole B, a rubber pad 34 is provided on the pin 33, and the rubber pad 34 is provided in the mounting hole a of the fan shaft half coupling 32. The rubber pad has the function of buffering, prevents the left and right sides of the intermediate shaft from generating movement, influences the rotation of the fan shaft,
referring to fig. 3 and 4, a pulley A4 is provided on the intermediate shaft 2 provided between the brackets 1, a motor 5 is provided on one side of the brackets 1, a pulley B6 is provided on an output shaft of the motor 5, and a V-belt 7 is provided between the pulley A4 and the pulley B6. The support 1 is provided with a bearing 8, the bearing 8 is sleeved on the intermediate shaft 2, the front side of the bearing 8 is provided with a framework oil seal A9, the framework oil seal A is arranged at a step A of the intermediate shaft 2, the rear side of the bearing is provided with a bearing end cover 10, a framework oil seal B11 is arranged in the bearing end cover 10, and the framework oil seal B11 is arranged at a step B of the intermediate shaft 2.
And (3) adjusting the parallelism of a belt pulley A on the intermediate shaft and a belt pulley B on the motor output shaft, and tensioning the group of triangular belts.
The motor is started, the motor output shaft rotates, the tension force of the triangular belt acts on the intermediate shaft, and the intermediate shaft rotates to drive the rotation of the coupling group, so that the operation of the fan shaft of the Roots blower is driven.
The technical features of the present utility model that are not described in the present utility model may be implemented by or using the prior art, and are not described in detail herein, but the above description is not intended to limit the present utility model, and the present utility model is not limited to the above examples, but is also intended to be within the scope of the present utility model by those skilled in the art.
Claims (5)
1. The utility model provides a to jackshaft transmission of roots's fan axle elimination shearing force, includes support (1) that the symmetry set up, its characterized in that is provided with jackshaft (2) between support (1), jackshaft (2) one side is provided with shaft coupling group (3), jackshaft (2) rotation drives shaft coupling group (3) rotation, and then drives the fan axle rotation.
2. The intermediate shaft transmission device for eliminating shearing force on a Roots blower shaft according to claim 1, wherein the shaft coupling group (3) comprises an intermediate shaft half coupling (31) and a blower shaft half coupling (32), the intermediate shaft half coupling (31) is arranged at one end of the intermediate shaft (2), the blower shaft half coupling (32) is arranged on the blower shaft, and the intermediate shaft half coupling (31) is fixedly connected with the blower shaft half coupling (32).
3. The intermediate shaft transmission device for eliminating shearing force on the Roots blower shaft according to claim 2, wherein a mounting hole A is arranged on the blower shaft half coupling (32), a mounting hole B is arranged on the intermediate shaft half coupling (31), the mounting hole B is arranged concentrically with the mounting hole A, a pin (33) is arranged in the mounting hole A and the mounting hole B, a rubber pad (34) is arranged on the pin (33), and the rubber pad (34) is arranged in the mounting hole A of the blower shaft half coupling (32).
4. The intermediate shaft transmission device for eliminating shearing force on the Roots blower shaft according to claim 1, wherein a belt pulley A (4) is arranged on the intermediate shaft (2) arranged between the brackets (1), a motor (5) is arranged on one side of the brackets (1), a belt pulley B (6) is arranged on an output shaft of the motor (5), and a V-belt (7) is arranged between the belt pulley A (4) and the belt pulley B (6).
5. The intermediate shaft transmission device for eliminating shearing force on the Roots blower shaft according to claim 1, wherein a bearing (8) is arranged on the bracket (1), the bearing (8) is sleeved on the intermediate shaft (2), a framework oil seal A (9) is arranged on the front side of the bearing (8), the framework oil seal A is arranged at a step A of the intermediate shaft (2), a bearing end cover (10) is arranged on the rear side of the bearing, a framework oil seal B (11) is arranged in the bearing end cover (10), and the framework oil seal B (11) is arranged at the step B of the intermediate shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320686137.1U CN219827145U (en) | 2023-03-29 | 2023-03-29 | Intermediate shaft transmission device for eliminating shearing force of Roots blower shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320686137.1U CN219827145U (en) | 2023-03-29 | 2023-03-29 | Intermediate shaft transmission device for eliminating shearing force of Roots blower shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219827145U true CN219827145U (en) | 2023-10-13 |
Family
ID=88284214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320686137.1U Active CN219827145U (en) | 2023-03-29 | 2023-03-29 | Intermediate shaft transmission device for eliminating shearing force of Roots blower shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219827145U (en) |
-
2023
- 2023-03-29 CN CN202320686137.1U patent/CN219827145U/en active Active
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