CN211039109U - Pipe tunnel diagonal flow fan - Google Patents
Pipe tunnel diagonal flow fan Download PDFInfo
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- CN211039109U CN211039109U CN201921973214.1U CN201921973214U CN211039109U CN 211039109 U CN211039109 U CN 211039109U CN 201921973214 U CN201921973214 U CN 201921973214U CN 211039109 U CN211039109 U CN 211039109U
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- flow fan
- diagonal flow
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Abstract
The utility model discloses a pipe tunnel diagonal flow fan, which belongs to the technical field of diagonal flow fans and comprises a casing, wherein the bottom of the casing is provided with four threaded holes A, the bottom of the casing is detachably connected with a cover plate, the surface of the cover plate is provided with four threaded holes B corresponding to the threaded holes A, the casing is connected with a fastening bolt through the matching of the threaded holes A and the threaded holes B, the casing and the cover plate can be connected together by aligning the threaded holes A and the threaded holes B and screwing in the fastening bolt, the normal use of the diagonal flow fan is not influenced, only the fastening bolt needs to be unscrewed, the cover plate is removed from the bottom of the casing, the inspection and maintenance can be carried out on the inner part of the casing, the whole fan is not required to be dismantled, the convenience of the inspection and maintenance of the fan is improved, an installation rod and brush bristles synchronously rotate along with a transmission, manual cleaning is not needed any more, and time and labor are saved.
Description
Technical Field
The utility model relates to a diagonal flow fan technical field especially relates to a pipe tunnel diagonal flow fan.
Background
The oblique flow fan is also called mixed flow fan, and is a fan between an axial flow fan and a centrifugal fan, an impeller of the oblique flow fan enables air to do centrifugal motion and axial motion, and the motion of the air in a shell is mixed with two motion modes of axial flow and centrifugation, so that the oblique flow fan is commonly used for ventilation in a tunnel.
Patent number is CN 209510726U's publication a high-efficient diagonal flow fan for the diagonal flow fan is convenient for install, avoids inside the dust gets into the motor, has reduced the vibrations that diagonal flow fan during operation produced simultaneously, plays the guard action to the diagonal flow fan.
The diagonal flow fan has the following defects that 1, the diagonal flow fan is generally of an integral structure, the diagonal flow fan needs to be integrally disassembled for maintenance during maintenance, and when the diagonal flow fan is installed in a tunnel for use, the diagonal flow fan is limited by an installation space, so that the diagonal flow fan is inconvenient to disassemble and brings trouble to maintenance; 2. after the diagonal flow fan is used for a long time, the surface of an impeller of the diagonal flow fan is stained with a large amount of dust and impurities, the appearance is attractive, the use quality of the diagonal flow fan is easily influenced, manual erasing is usually needed, time and labor are wasted, and inconvenience is very brought.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pipe tunnel diagonal flow fan aims at being convenient for to the inside inspection and the maintenance of diagonal flow fan to can clear up the impeller automatically, avoid the dust to gather.
The utility model provides a specific technical scheme as follows:
the utility model provides a pair of pipe tunnel diagonal flow fan, which comprises a housing, chassis bottom set up threaded hole A and screw hole A are four, chassis bottom can dismantle and be connected with the apron, the apron surface sets up the screw hole B corresponding with screw hole A, the casing is connected with fastening bolt through screw hole A and screw hole B cooperation, casing internally mounted has the motor, motor current input passes through the switch and is connected with the external power electricity, motor power output end can dismantle and be connected with the transmission shaft, the transmission shaft surface is close to motor one side fixedly connected with impeller and is a plurality of, the transmission shaft surface is kept away from motor one side and is installed the bearing, the transmission shaft has installation pole and installation pole to be two through bearing swing joint, installation pole surface one side bonds there is the brush hair.
Optionally, a sealing rubber pad is bonded to one side of the surface of the cover plate, and the sealing rubber pad is located at a joint of the cover plate and the casing.
Optionally, the inner side wall of the casing is fixedly connected with four support frames, and the motor is installed on one side of the support frame far away from the casing.
Optionally, the inner side wall of the casing is welded with a plurality of guide vanes, and the guide vanes are positioned inside the casing and far away from one side of the impeller.
The utility model has the advantages as follows:
1. the bottom of casing is seted up threaded hole A, threaded hole B is seted up to the bottom of apron, during normal use, the chassis bottom is arranged in with the apron, threaded hole A and threaded hole B align each other and twist fastening bolt can be in the same place casing and apron link together, do not influence the normal use of diagonal flow fan, when the inside inspection of fan and maintenance need be carried out, only need unscrew fastening bolt, will lap and remove from the casing bottom, can inspect the maintenance to the casing inside, need not wholly to demolish the fan, the convenience of fan inspection maintenance has been improved.
2. Motor one side is kept away from to the transmission shaft has the installation pole through bearing swing joint, the surface bonding of installation pole has the brush hair, the one end contact impeller surface of brush hair, the fan is during operation, the motor passes through the rotation that the transmission shaft drove the impeller, installation pole and brush hair follow the transmission shaft simultaneously and rotate in step, the brush hair can be clear away the dust on impeller surface, avoid the fan to use back impeller surface for a long time to be stained with the dust, the life of diagonal flow fan has been improved, no longer need artifical manual clearance, time saving and labor saving.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a pipe tunnel diagonal flow fan according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a joint between a casing and a cover plate of a pipe tunnel diagonal flow fan according to an embodiment of the present invention;
fig. 3 is an internal circuit schematic diagram of a pipe tunnel diagonal flow fan according to an embodiment of the present invention.
In the figure: 1. a housing; 101. a threaded hole A; 2. a cover plate; 201. a threaded hole B; 3. fastening a bolt; 4. sealing the rubber gasket; 5. a support frame; 6. a motor; 601. a switch; 602. a drive shaft; 603. an impeller; 7. a bearing; 701. mounting a rod; 702. brushing; 8. a guide vane.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A pipe tunnel diagonal flow fan according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.
Referring to fig. 1, 2 and 3, a pipe tunnel diagonal flow fan provided by an embodiment of the present invention includes a casing 1, the bottom of the casing 1 is provided with four threaded holes a101 and four threaded holes a101, the bottom of the casing 1 is detachably connected with a cover plate 2, the surface of the cover plate 2 is provided with a threaded hole B201 corresponding to the threaded hole a101, the casing 1 is cooperatively connected with a fastening bolt 3 through the threaded hole a101 and the threaded hole B201, a motor 6 is installed inside the casing 1, a current input end of the motor 6 is electrically connected with an external power supply through a switch 601, a power output end of the motor 6 is detachably connected with a transmission shaft 602, one side of the surface of the transmission shaft 602 close to the motor 6 is fixedly connected with an impeller 603 and a plurality of impellers 603 are provided, one side of the surface of the transmission shaft 602 far from the motor 6 is provided with a bearing 7, the transmission shaft, bristles 702 are adhered to one side of the surface of the mounting rod 701.
The example, arrange apron 2 in casing 1 bottom, screw hole A101 and screw hole B201 align each other and twist into fastening bolt 3 and can link together casing 1 and apron 2, do not influence the normal use of diagonal flow fan, only need unscrew fastening bolt 3, take off apron 2 from casing 1 bottom, can inspect the maintenance to casing 1 inside, need not wholly to demolish the fan, the convenience of fan inspection maintenance has been improved, when the fan operates, motor 6 passes through the rotation that transmission shaft 6012 drove impeller 603, installation pole 701 and brush hair 702 follow transmission shaft 602 and rotate in step simultaneously, brush hair 702 can clear away the dust on impeller 603 surface, avoid the long-time back impeller 603 surface of using of fan to be stained with the dust, no longer need artifical manual clearance, time saving and labor saving.
Referring to fig. 1 and 2, a sealing rubber pad 4 is bonded to one side of the surface of the cover plate 2, and the sealing rubber pad 4 is located at a connection position of the cover plate 2 and the casing 1.
By way of example, when the cover plate 2 is connected with the casing 1 through the sealing rubber pad 4 adhered to the surface of the cover plate 2, the sealing rubber pad 4 can seal the joint, and the normal use of the fan is prevented from being influenced by air leakage at the joint.
Referring to fig. 1, the inner side wall of the casing 1 is fixedly connected with four support frames 5, and the motor 6 is installed on one side of the surface of the support frame 5 far away from the casing 1.
By way of example, the motor 6 can be supported and fixed by the support frame 5 welded on the inner side wall of the machine shell 1, and the motor 6 is conveniently installed inside the machine shell 1.
Referring to fig. 1, a plurality of guide vanes 8 are welded to the inner side wall of the casing 1, and the guide vanes 8 are located on one side of the casing 1, which is far away from the impeller 603.
In the example, the guide vanes 8 welded on the inner side wall of the casing 1 can guide the airflow, so that the use effect of the fan is prevented from being influenced by the eddy generated in the use process of the fan.
When in use, the bottom of the casing 1 is provided with a threaded hole A101, the bottom of the cover plate 2 is provided with a threaded hole B201, when in normal use, the cover plate 2 is arranged at the bottom of the casing 1, the threaded hole A101 and the threaded hole B201 are mutually aligned and screwed in the fastening bolt 3 to connect the casing 1 and the cover plate 2 together, the normal use of the diagonal flow fan is not influenced, when the interior of the fan needs to be checked and maintained, the fastening bolt 3 only needs to be unscrewed, the cover plate 2 is removed from the bottom of the casing 1, the interior of the casing 1 can be checked and maintained, the fan does not need to be integrally disassembled, the convenience of checking and maintaining of the fan is improved, the sealing rubber pad 4 bonded on the surface of the cover plate 2 can play a role in sealing the joint when the cover plate 2 is connected with the casing 1, the air leakage at the joint is avoided to influence the normal use of the fan, the motor 6 can be supported and fixed, the motor 6 is conveniently arranged in the machine shell 1, one side of the transmission shaft 602, which is far away from the motor 6, is movably connected with an installation rod 701 through a bearing 7, brush bristles 702 are adhered to the surface of the installation rod 701, one ends of the brush bristles 702 are contacted with the surface of the impeller 603, the switch 601 is used for switching on the circuit to enable the motor 6 to operate, the motor 6 drives the impeller 603 to rotate through the transmission shaft 602, further, the fan is operated, when the fan is operated, the mounting rod 701 and the brush bristles 702 rotate synchronously along with the transmission shaft 602, the brush bristles 702 can remove dust on the surface of the impeller 603, the phenomenon that the surface of the impeller 603 is full of dust after the fan is used for a long time is avoided, the service life of the diagonal flow fan is prolonged, manual cleaning is not needed any more, time and labor are saved, the guide vanes 8 welded on the inner side wall of the casing 1 can guide airflow, and the use effect of the fan caused by the influence of eddy current generated in the use process of the fan is avoided.
It should be noted that, the utility model relates to a pipe tunnel diagonal flow fan, including casing 1, screw hole A101, apron 2, screw hole B201, fastening bolt 3, sealed cushion 4, support frame 5, motor 6, switch 601, transmission shaft 602, impeller 603, bearing 7, installation pole 701, brush hair 702, guide vane 8, the part is the general standard component or the part that technical staff in the field knows, and its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical staff.
The motor 6 and the switch 601 are conventional prior art products, the model of the motor 6 is Y180L, the model of the switch 601 is NS2-25, and the internal structure is not explained.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (4)
1. The pipe tunnel diagonal flow fan comprises a casing (1) and is characterized in that the bottom of the casing (1) is provided with four threaded holes A (101) and four threaded holes A (101), the bottom of the casing (1) is detachably connected with a cover plate (2), the surface of the cover plate (2) is provided with a threaded hole B (201) corresponding to the threaded hole A (101), the casing (1) is connected with a fastening bolt (3) through the matching of the threaded hole A (101) and the threaded hole B (201), a motor (6) is installed inside the casing (1), the current input end of the motor (6) is electrically connected with an external power supply through a switch (601), the power output end of the motor (6) is detachably connected with a transmission shaft (602), the surface of the transmission shaft (602) is close to one side of the motor (6) and is fixedly connected with impellers (603) and the impellers (, bearing (7) are installed to transmission shaft (602) surface one side of keeping away from motor (6), transmission shaft (602) have installation pole (701) and installation pole (701) to be two through bearing (7) swing joint, installation pole (701) surface one side bonds and has brush hair (702).
2. The pipe tunnel diagonal flow fan according to claim 1, wherein a sealing rubber gasket (4) is bonded to one side of the surface of the cover plate (2), and the sealing rubber gasket (4) is located at a joint of the cover plate (2) and the casing (1).
3. The pipe tunnel diagonal flow fan of claim 1, characterized in that the casing (1) is fixedly connected with four support frames (5) on the inner side wall, and the motor (6) is installed on one side of the support frame (5) far away from the casing (1).
4. The pipe tunnel diagonal flow fan according to claim 1, wherein a plurality of guide vanes (8) are welded to an inner side wall of the casing (1), and the guide vanes (8) are located on one side of the inside of the casing (1) far away from the impeller (603).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921973214.1U CN211039109U (en) | 2019-11-15 | 2019-11-15 | Pipe tunnel diagonal flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921973214.1U CN211039109U (en) | 2019-11-15 | 2019-11-15 | Pipe tunnel diagonal flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211039109U true CN211039109U (en) | 2020-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921973214.1U Active CN211039109U (en) | 2019-11-15 | 2019-11-15 | Pipe tunnel diagonal flow fan |
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| Country | Link |
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| CN (1) | CN211039109U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915149A (en) * | 2021-11-17 | 2022-01-11 | 毛辉 | Improved axial flow fan |
| CN115013365A (en) * | 2022-07-29 | 2022-09-06 | 中煤科工集团重庆研究院有限公司 | Noise-reduction explosion-proof local ventilator for coal mine area |
| CN116517891A (en) * | 2023-04-28 | 2023-08-01 | 浙江浙能镇海发电有限责任公司 | Anti-jamming draught fan |
-
2019
- 2019-11-15 CN CN201921973214.1U patent/CN211039109U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915149A (en) * | 2021-11-17 | 2022-01-11 | 毛辉 | Improved axial flow fan |
| CN115013365A (en) * | 2022-07-29 | 2022-09-06 | 中煤科工集团重庆研究院有限公司 | Noise-reduction explosion-proof local ventilator for coal mine area |
| CN116517891A (en) * | 2023-04-28 | 2023-08-01 | 浙江浙能镇海发电有限责任公司 | Anti-jamming draught fan |
| CN116517891B (en) * | 2023-04-28 | 2024-01-09 | 浙江浙能镇海发电有限责任公司 | Anti-jamming draught fan |
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