CN213270380U - Industrial fan with safety protection device - Google Patents
Industrial fan with safety protection device Download PDFInfo
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- CN213270380U CN213270380U CN202021987680.8U CN202021987680U CN213270380U CN 213270380 U CN213270380 U CN 213270380U CN 202021987680 U CN202021987680 U CN 202021987680U CN 213270380 U CN213270380 U CN 213270380U
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- motor
- fan
- steel wire
- protection device
- wire rope
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Abstract
The utility model relates to the technical field of industrial fans, in particular to an industrial fan with a safety protection device; the utility model comprises a motor, a fan chassis, fan blades and a safety protection device, wherein the safety protection device comprises safety lugs, a steel wire rope connecting piece and a steel wire rope, the four safety lugs are uniformly distributed and connected on the side wall of the motor, two ends of the steel wire rope connecting piece are respectively connected with the safety lugs and the steel wire rope, and the steel wire rope can be fixed on the wall top; the motor is connected with the fan chassis, the fan blades are connected on the fan chassis, and the top surface of the motor is connected with the wall top through the connecting mechanism; in the utility model, the top surface of the motor is connected and fixed with the wall top through the connecting mechanism, and the motor is also hung through the safety lifting lugs of the safety protection device, the steel wire rope connecting piece and the steel wire rope, so that the motor is prevented from falling and the balance of the motor is kept; the utility model discloses connect firmly, safety protection measure is good moreover.
Description
Technical Field
The utility model relates to an industrial fan technical field, in particular to industrial fan with safety arrangement.
Background
The large industrial fan is a large industrial fan with the diameter of 7.3 meters, and the blowing area of the fan is directly related to the diameter of the fan; the large industrial fan has large coverage area and is easy to clean, and the problems of large noise and large energy consumption are solved.
In the market, in the existing industrial large fan, some manufacturers do not use steel wire rope hanging and pulling as a safety measure, and the fan is driven by a motor for a long time and is difficult to avoid accidental falling; in addition, some manufacturers hang and pull the steel wire rope on an extension rod above the motor, and the moving part is the motor and the fan, so that the safety effect is not great; moreover, some manufacturers hang and pull the steel wire ropes above the motor, the motor is provided with a reduction gearbox, the motor body is additionally provided with the reduction gearbox, so that the axial length of the motor assembly is very long, the steel wire ropes are hung and pulled above four corners of the motor assembly, and a certain safety anti-falling effect is achieved.
Disclosure of Invention
In order to overcome the above-mentioned not enough, the utility model aims at providing an industrial fan with safety arrangement, the top surface of its motor is connected with the wall crown through coupling mechanism and is fixed, still hangs the motor through safety arrangement's safe lug, wire rope connecting piece and wire rope simultaneously, prevents that it from falling and keeps its balance.
The technical proposal of the utility model for solving the technical problem is that:
an industrial fan with a safety protection device comprises a motor, a fan chassis, fan blades and the safety protection device, wherein the safety protection device comprises safety lifting lugs, steel wire rope connecting pieces and steel wire ropes, the four safety lifting lugs are uniformly distributed and connected on the side wall of the motor, two ends of each steel wire rope connecting piece are respectively connected with the safety lifting lugs and the steel wire ropes, and the steel wire ropes can be fixed on the top of a wall; the motor is connected with the fan chassis, the fan blades are connected to the fan chassis, and the top surface of the motor is connected with the wall top through a connecting mechanism.
As an improvement of the utility model, coupling mechanism includes the connecting pipe, install motor mounting flange on the motor, the both ends of connecting pipe respectively with motor mounting flange, wall crown are connected.
As a further improvement of the utility model, coupling mechanism still includes the gallows, the both ends of connecting pipe respectively with motor mounting flange, gallows connect, the gallows is connected with the wall crown.
As a further improvement, the hanger is provided with a first fixed hole and a first arc-shaped hole, the first fixed hole is in the top of the first arc-shaped hole, the upper end of the connecting pipe is provided with a corresponding first mounting hole of the first fixed hole and a corresponding first sliding hole of the first arc-shaped hole.
As a further improvement of the utility model, the connecting mechanism further comprises an i-steel and an upper press plate, the top end of the hanger is connected with the i-steel through a bolt and the i-steel is passed through the i-steel with upper press plate fixed connection.
As a further improvement, the motor mounting flange is provided with a second fixed hole and a second arc-shaped hole, the lower end of the connecting pipe is provided with a second mounting hole corresponding to the second fixed hole and a second sliding hole corresponding to the second arc-shaped hole.
As a further improvement of the present invention, the fan chassis is connected with four fan blades.
As a further improvement of the utility model, the included angle between the steel wire rope and the motor is 30-60 degrees.
As a further improvement of the present invention, the included angle between the wire rope and the motor is 30 °.
As a further improvement of the present invention, the included angle between the wire rope and the motor is 60 °.
In the utility model, the top surface of the motor is connected and fixed with the wall top through the connecting mechanism, and the motor is also hung through the safety lifting lugs of the safety protection device, the steel wire rope connecting piece and the steel wire rope, so that the motor is prevented from falling and the balance of the motor is kept; the utility model discloses connect firmly, safety protection measure is good moreover.
Drawings
For the purpose of illustration, the invention is described in detail with reference to the following preferred embodiments and the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of FIG. 1;
fig. 3 shows three preferred angles of the included angle between the wire rope and the motor according to the present invention;
FIG. 4 illustrates a force applied to a motor according to the prior art;
fig. 5 shows the stress condition of the motor of the present invention;
reference numerals: 1-a fan chassis, 2-fan blades, 3-safety lifting lugs, 4-steel wire rope connecting pieces, 5-a motor, 6-a motor mounting flange, 7-a steel wire rope, 8-a connecting pipe, 9-a hanging bracket, 10-I-steel and 11-an upper pressing plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 3, the utility model discloses an industrial fan with safety arrangement, including motor 5, fan chassis 1, flabellum 2 and safety arrangement, safety arrangement includes safety lug 3, wire rope connecting piece 4 and wire rope 7, and four safety lugs 3 evenly distributed are connected on motor 5's lateral wall, and wire rope connecting piece 4's both ends are connected with safety lug 3, wire rope 7 respectively, and wire rope 7 can fix on the roof.
The utility model discloses in, motor 5 is connected with fan chassis 1, and flabellum 2 is connected on fan chassis 1, and motor 5's top surface passes through coupling mechanism and is connected with the wall crown.
The utility model discloses in, motor 5's top surface is connected with the wall crown through coupling mechanism and is fixed, and safety lug 3, wire rope connecting piece 4 and wire rope 7 through safety arrangement hang motor 5 simultaneously, prevent that it from falling and keep its balance.
In the utility model, the fan chassis 1 is connected with four fan blades 2.
In the utility model, the connecting mechanism comprises a connecting pipe 8, a hanger 9, I-steel 10 and an upper pressure plate 11, two ends of the connecting pipe 8 are respectively connected with the motor mounting flange 6 and the hanger 9, the hanger 9 is provided with a first fixing hole 12 and a first arc-shaped hole 13, the first fixing hole 12 is positioned above the first arc-shaped hole 13, and the upper end of the connecting pipe 8 is provided with a first mounting hole corresponding to the first fixing hole 12 and a first slide-shaped hole corresponding to the first arc-shaped hole; the motor mounting flange 6 is provided with a second fixing hole 14 and a second arc-shaped hole 15, and the lower end of the connecting pipe 8 is provided with a second mounting hole corresponding to the second fixing hole 14 and a second sliding hole corresponding to the second arc-shaped hole 15, so that the connecting pipe 8 can be adjusted conveniently.
The utility model discloses in, bolted connection is passed through on I-steel 10 on the top of gallows 9 and passes I-steel 10 and top board 11 fixed connection.
As shown in fig. 3, the included angle between the steel wire rope 7 and the motor 5 is 30 to 60 degrees, and preferably, the included angle between the steel wire rope 7 and the motor 5 is 30 degrees, 45 degrees or 60 degrees.
The utility model provides an embodiment, which comprises a fan chassis 1, fan blades 2, a safety lifting lug 3, a steel wire rope connecting piece 4, a motor 5, a motor mounting flange 6, a steel wire rope 7, a connecting pipe 8, a hanging bracket 9, I-shaped steel 10 and an upper pressure plate 11; fan blade 2 installs on fan chassis 1, and motor 5 passes through motor mounting flange 6, connecting pipe 8, gallows 9, top board 11 and installs on I-steel 10, and rethread safety lug 3, wire rope connecting piece 4, wire rope 7 make motor 5 atress balanced, and it is motor 5's safety measure, and its effect is:
1. when the motor mounting flange 6, the connecting pipe 8, the hanging bracket 9 and the upper pressure plate 11 are abnormal, the motor 5 is hung by the safety lifting lug 3, the steel wire rope connecting piece 4 and the steel wire rope 7 to prevent the motor 5 from falling.
2. When the motor 5 drives the fan blades 2 and the like to rotate, the safe lifting lugs 3, the steel wire rope connecting pieces 4 and the steel wire ropes 7 can balance the stress of the whole mechanism, reduce the resonance of the I-shaped steel 10, the roof and all parts when the fan rotates, improve the safety and prolong the service life.
3. The safety lifting lug 3, the steel wire rope connecting piece 4 and the steel wire rope 7 share part of the tension of the motor mounting flange 6, the connecting pipe 8, the hanging bracket 9 and the upper pressure plate 11, so that the motor mounting flange 6, the connecting pipe 8, the hanging bracket 9 and the upper pressure plate 11 are not huge in design, the cost can be saved, and accidents cannot occur.
As shown in fig. 4, when the steel wire rope is not installed, the gravity of the motor and its accessories is G, and the tension of the vertically installed motor and its accessories is F, F = G (1).
As shown in fig. 5, four steel wire ropes 7 are installed at four corners of the bottom of the motor 5 and the accessories thereof, the four steel wire ropes 7 can share the tension force F of the installation parts of the motor 5 and the fan chassis 1, the gravity of the motor 5 and the accessories thereof is set to G, the tension force of the vertically installed motor 5 and the accessories thereof is set to F, the tension force of each steel wire rope 7 is set to F1, and the tension force of the four steel wire ropes 7 is set to 4 x F1. Then F = G-4F 1 sin45 ° = G-4F 1 0.7= G-2.8F 1 (2).
As can be seen from the above analysis, F in the formula (2) is obviously smaller than F in the formula (1), that is, the force on the mounting parts of the motor and the fan is small, the mounting stability is greatly enhanced, and the possibility of falling of the motor and the fan is reduced or even eliminated.
The utility model discloses install from 5 bottoms of motor with four wire rope 7 and safe lug 3 internally, every two adjacent wire rope 7 are 360 degrees/4 =90 at the contained angle in space, shared the pulling force of 5 top erection joint spare of motor, make fan and connecting piece be in balance, make fan rotary mechanism atress be in balance, increase the security, increase of service life, prolonged fan and spare part life, increased the security of mechanism, make fan and spare part working property stable.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The industrial fan with the safety protection device comprises a motor, a fan chassis and fan blades and is characterized by further comprising the safety protection device, wherein the safety protection device comprises safety lifting lugs, steel wire rope connecting pieces and steel wire ropes, the four safety lifting lugs are uniformly distributed and connected to the side wall of the motor, two ends of each steel wire rope connecting piece are respectively connected with the safety lifting lugs and the steel wire ropes, and the steel wire ropes can be fixed to the top of a wall; the motor is connected with the fan chassis, the fan blades are connected to the fan chassis, and the top surface of the motor is connected with the wall top through a connecting mechanism.
2. The industrial fan with the safety protection device as claimed in claim 1, wherein the connection mechanism comprises a connection pipe, a motor mounting flange is mounted on the motor, and two ends of the connection pipe are respectively connected with the motor mounting flange and a wall top.
3. The industrial fan with safety protection device as claimed in claim 2, wherein the connecting mechanism further comprises a hanger, the two ends of the connecting pipe are respectively connected to the motor mounting flange and the hanger, and the hanger is connected to the top wall.
4. The industrial fan with the safety protection device as claimed in claim 3, wherein the hanger is provided with a first fixing hole and a first arc-shaped hole, the first fixing hole is located above the first arc-shaped hole, and the upper end of the connecting pipe is provided with a first mounting hole corresponding to the first fixing hole and a first sliding hole corresponding to the first arc-shaped hole.
5. The industrial fan with the safety protection device as claimed in claim 4, wherein the connecting mechanism further comprises an I-shaped steel and an upper pressing plate, and the top end of the hanger is connected to the I-shaped steel through a bolt and penetrates through the I-shaped steel to be fixedly connected with the upper pressing plate.
6. The industrial fan with the safety protection device as claimed in claim 2, wherein the motor mounting flange is provided with a second fixing hole and a second arc-shaped hole, and the lower end of the connecting pipe is provided with a second mounting hole corresponding to the second fixing hole and a second sliding hole corresponding to the second arc-shaped hole.
7. An industrial fan with safety protection device as claimed in claim 1, wherein four fan blades are connected to the fan chassis.
8. The industrial fan with the safety protection device as claimed in claim 1, wherein the angle between the steel wire rope and the motor is 30-60 °.
9. The industrial fan with safety protection device as claimed in claim 8, wherein the angle between the steel wire rope and the motor is 30 °.
10. The industrial fan with safety protection device as claimed in claim 8, wherein the angle between the steel wire rope and the motor is 60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021987680.8U CN213270380U (en) | 2020-09-12 | 2020-09-12 | Industrial fan with safety protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021987680.8U CN213270380U (en) | 2020-09-12 | 2020-09-12 | Industrial fan with safety protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213270380U true CN213270380U (en) | 2021-05-25 |
Family
ID=75941040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021987680.8U Active CN213270380U (en) | 2020-09-12 | 2020-09-12 | Industrial fan with safety protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213270380U (en) |
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2020
- 2020-09-12 CN CN202021987680.8U patent/CN213270380U/en active Active
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