CN206539529U - A kind of gas centrifugal blower fan diaphragm type coupler of anti-shaft current - Google Patents
A kind of gas centrifugal blower fan diaphragm type coupler of anti-shaft current Download PDFInfo
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- CN206539529U CN206539529U CN201720265928.1U CN201720265928U CN206539529U CN 206539529 U CN206539529 U CN 206539529U CN 201720265928 U CN201720265928 U CN 201720265928U CN 206539529 U CN206539529 U CN 206539529U
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- coupler
- end half
- insulation
- hassock
- blower fan
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Abstract
It is a kind of to block the gas centrifugal blower fan diaphragm type coupler of motor leakage current, it is related to gas centrifugal blower fan technical field.Including driven end half a coupler, drive end half a coupler, gas centrifugal fan shaft, motor output shaft, two bolts, two spring washers, two nuts, it is characterized in that, it is provided between drive end half a coupler and driven end half a coupler in diaphragm group, the felt pad of insulation, drive end half a coupler downlink connection hole one and hassock is set；Insulation sleeve is provided with driven end half a coupler connecting hole three, insulation hassock is provided with connecting hole four；One screw bolt passes insulation sleeve, felt pad, diaphragm group, hassock, spring washer and nut are connected, and another screw bolt passes insulation hassock, felt pad, diaphragm group, drive end half a coupler, spring washer and nut are connected.The utility model good insulation preformance, is entirely capable of completely cutting off the leakage current of motor by incoming blower fan, possesses explosion prevention function；It is adapted to low, high speed frequently speed governing operation；Dismounting, inspection are convenient.
Description
Technical field
The utility model belongs to gas centrifugal blower fan technical field, and in particular to a kind of to block the coal of motor leakage current
Gas centrifugal blower diaphragm type coupler.
Background technology
Can gas centrifugal blower fan be played a very important role in steel production, therefore ensure its long-term, stable fortune
Row is related to the production efficiency of iron and steel enterprise.In actual production process, gas centrifugal fan operation accident happens occasionally, serious shadow
The safety in production of Xiang Liao steel plant and environment protection standard work.Wherein, due to caused by shaft coupling pattern is unreasonable accident also account for
There is certain ratio.The need for according to the use environment and pumped (conveying) medium of gas centrifugal blower fan, except to gas centrifugal blower fan itself
Have beyond requirement of explosion proof, also there is claimed below to shaft coupling：First, shaft coupling needs requirement of explosion proof, it is necessary to completely cut off motor
Leakage current is by the incoming blower fan of shaft coupling, to prevent electric spark；2nd, the stage is respectively smelted according to converter, such as preparation, preheating/
The difference in fire door plus steel scrap iron making stage is covered, blown, re-blowing, tapping, being cleared up to drop, and the operating condition frequent changes of blower fan are also needed
Shaft coupling is set to meet low, the frequently requirement of speed governing operation at a high speed in 30 ~ 38min；3rd, in convenient installation, maintenance, reduction dimension
Repair and require in time and maintenance cost aspect, iron and steel enterprise user also proposes requirement to shaft coupling.
The diaphragm coupling that currently available technology is used on gas centrifugal blower fan can not be wanted while meeting above-mentioned three
Ask.
The content of the invention
The purpose of this utility model be in view of the shortcomings of the prior art there is provided one can block the coal gas of motor leakage current from
Heart blower fan diaphragm type coupler, its good insulation preformance is entirely capable of completely cutting off the leakage current of motor by incoming blower fan, possesses explosion-proof
Function；It is adapted to low, high speed frequently speed governing operation；Dismounting, inspection are convenient, with low cost.
The utility model is achieved through the following technical solutions：A kind of gas centrifugal blower fan diaphragm type connection of anti-shaft current
Axle device, including driven end half a coupler, drive end half a coupler, gas centrifugal fan shaft, motor output shaft, two bolts, two
Spring washer, two nuts, it is characterized by, be provided between drive end half a coupler and driven end half a coupler insulation diaphragm group,
It is provided with felt pad, drive end half a coupler in connecting hole one, connecting hole two, connecting hole one and hassock is set, driven end half joins
It is provided with axle device in connecting hole three, connecting hole four, connecting hole three and is provided with insulation sleeve, insulation is provided with connecting hole four thick
Pad, a screw bolt passes insulation sleeve, felt pad, diaphragm group, hassock, spring washer and nut are connected, and another screw bolt passes are exhausted
Edge hassock, felt pad, diaphragm group, drive end half a coupler, spring washer and nut are connected, and above-mentioned all parts is connected as one whole
Body.
Preferably, drive end half a coupler hot jacket is on motor output shaft, driven end half a coupler hot jacket is in coal gas
On centrifugal blower main shaft.
Preferably, described insulation sleeve, felt pad and insulation hassock are made up of glass fibre reinforced nylon 1010.
The utility model due between drive end half a coupler and driven end half a coupler be provided with insulation diaphragm group,
Insulation sleeve, felt pad and insulation hassock, good insulating, are entirely capable of completely cutting off the leakage current of motor by incoming blower fan, possess anti-
Quick-fried function；It is adapted to low, high speed frequently speed governing operation；Dismounting, inspection are convenient, with low cost.
Brief description of the drawings
Fig. 1 is the structural representation of utility model embodiment；
Fig. 2 is structural representation of the utility model on gas centrifugal blower fan；
In Fig. 1-2：1- driven end half a couplers, 2- insulation sleeves, 3- bolts, 4- felt pads, 5- diaphragm groups, 6- spring washers, 7-
Nut, 8- hassocks, 9- drive end half a couplers, 10- insulation hassocks, 11- gas centrifugal blower fan main shafts, 12- motor output shafts,
13- connecting holes three, 14- connecting holes four, 15- connecting holes one, 16- connecting holes two, the gas centrifugal blower fan diaphragm of the anti-shaft currents of 17-
Formula shaft coupling, 18- gas centrifugal blower fans, 19 fire-proof motors.
Embodiment
The utility model is further described below with reference to the embodiment that accompanying drawing 1-2 is stated：
It includes driven end half a coupler 1, drive end half a coupler 9, gas centrifugal fan shaft 11, motor output shaft
12nd, two bolts 3, two spring washers 6, two nuts 7, the hot jacket of drive end half a coupler 9 is on motor output shaft 12, the shaft coupling of driven end half
The hot jacket of device 1 is provided with insulation on gas centrifugal blower fan main shaft 11 between drive end half a coupler 9 and driven end half a coupler 1
Diaphragm group 5, felt pad 4, be provided with connecting hole 1, connecting hole 2 16, connecting hole 1 on drive end half a coupler 9 and set
Put to be provided with connecting hole 3 13, connecting hole 4 14, connecting hole 3 13 on hassock 8, driven end half a coupler 1 and be provided with insulation sleeve
2, be provided with insulation hassock 10 in connecting hole 4 14, a bolt 7 sequentially pass through insulation sleeve 2, felt pad 4, diaphragm group 5, hassock 8,
Spring washer 6 is connected with nut 7, another bolt 7 sequentially pass through insulation hassock 10, felt pad 4, diaphragm group 5, drive end half a coupler 9,
Spring washer 6 is connected with nut 7, is integral above-mentioned all part connections.Described insulation sleeve 2, felt pad 4 and insulation hassock 10
It is made up of glass fibre reinforced nylon 1010.
Claims (3)
1. a kind of gas centrifugal blower fan diaphragm type coupler of anti-shaft current, including driven end half a coupler（1）, drive end half joins
Axle device（9）, gas centrifugal fan shaft（11）, motor output shaft（12）, two bolts（3）, two spring washers（6）, two nuts（7）, its
It is characterised by, drive end half a coupler（9）With driven end half a coupler（1）Between be provided with the diaphragm group of insulation（5）, felt pad
（4）, drive end half a coupler（9）On be provided with connecting hole one（15）, connecting hole two（16）, connecting hole one（15）Interior setting hassock
（8）, driven end half a coupler（1）On be provided with connecting hole three（13）, connecting hole four（14）, connecting hole three（13）Inside it is provided with absolutely
Edge set（2）, connecting hole four（14）Inside it is provided with insulation hassock（10）, a bolt (3) sequentially passes through insulation sleeve（2）, felt pad
（4）, diaphragm group（5）, hassock（8）, spring washer（6）With nut（7）Connection, another bolt（3）Sequentially pass through insulation hassock（10）, absolutely
Edge pad（4）, diaphragm group（5）, drive end half a coupler（9）, spring washer（6）With nut（7）Connection, is connected as above-mentioned all parts
One is overall.
2. the gas centrifugal blower fan diaphragm type coupler of a kind of anti-shaft current according to claim 1, it is characterised in that main
Moved end half a coupler（9）Hot jacket is in motor output shaft（12）On, driven end half a coupler（1）Hot jacket is in gas centrifugal blower fan master
Axle（11）On.
3. a kind of gas centrifugal blower fan diaphragm type coupler of anti-shaft current according to claim 1 or 2, its feature exists
In described insulation sleeve（2）, felt pad（4）With insulation hassock（10）It is made up of glass fibre reinforced nylon 1010.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720265928.1U CN206539529U (en) | 2017-03-17 | 2017-03-17 | A kind of gas centrifugal blower fan diaphragm type coupler of anti-shaft current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720265928.1U CN206539529U (en) | 2017-03-17 | 2017-03-17 | A kind of gas centrifugal blower fan diaphragm type coupler of anti-shaft current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206539529U true CN206539529U (en) | 2017-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720265928.1U Active CN206539529U (en) | 2017-03-17 | 2017-03-17 | A kind of gas centrifugal blower fan diaphragm type coupler of anti-shaft current |
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| CN (1) | CN206539529U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114123663A (en) * | 2021-12-09 | 2022-03-01 | 江苏中工高端装备研究院有限公司 | Current isolating device and method for permanent magnet synchronous semi-direct-drive variable frequency speed regulation motor shaft |
-
2017
- 2017-03-17 CN CN201720265928.1U patent/CN206539529U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114123663A (en) * | 2021-12-09 | 2022-03-01 | 江苏中工高端装备研究院有限公司 | Current isolating device and method for permanent magnet synchronous semi-direct-drive variable frequency speed regulation motor shaft |
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