CN209704846U - A kind of direct-connection transmission Double screw blower unit - Google Patents
A kind of direct-connection transmission Double screw blower unit Download PDFInfo
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- CN209704846U CN209704846U CN201822220543.0U CN201822220543U CN209704846U CN 209704846 U CN209704846 U CN 209704846U CN 201822220543 U CN201822220543 U CN 201822220543U CN 209704846 U CN209704846 U CN 209704846U
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- double screw
- screw blower
- direct
- connection transmission
- pedestal
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Abstract
The utility model discloses a kind of direct-connection transmission Double screw blower units, including Double screw blower and the pedestal of Double screw blower bottom is set, external acoustic hood, the Double screw blower is connect with the pedestal by base support, the Double screw blower is connect with motor by shaft coupling, the motor is connect with the pedestal by electric machine support, import silencer is arranged in the air inlet of the Double screw blower upper end, and it is connect by bend pipe with outlet noise silencer in its lower end gas outlet, the other end of the outlet noise silencer sets gradually elastomeric joint by escape pipe, threeway, at the other both ends of the threeway, relief valve is set, check valve.Using yielding coupling, import, outlet noise silencer are set, and escape pipe is arranged outside acoustic hood, reduces the temperature in acoustic hood, improves the service life of blower and motor.
Description
Technical field
The utility model relates to blower technology fields, more particularly, to a kind of direct-connection transmission Double screw blower unit.
Background technique
Double screw blower has many advantages, such as that structure is simple, energy conservation, low noise, so widely used, Double screw blower
There are two types of the kind of drive, belt transmission or direct-connection transmission.When belt is driven, high, needs periodically tensioning, customer care that there are noises
Measure the disadvantages of big.When direct-connection transmission, existing blossom type shaft coupling is small in the presence of transmitting torque, heatproof is low, live replacement vulnerable part
Cumbersome, the disadvantages of Adjustment precision is high.Double screw blower, so delivery temperature is high, noise is high, need to add acoustic hood to drop because boosting is high
It makes an uproar processing, the case temperature that causes to insulate against sound in this way is very high, seriously affects the service life of blower and motor.This be the prior art not
Foot.
Summary of the invention
The purpose of the utility model is to overcome disadvantages existing in the prior art, provide a kind of direct-connection transmission twin-screw drum
Import, outlet noise silencer is arranged, and escape pipe is arranged outside acoustic hood using yielding coupling in blower unit, reduce every
Temperature in acoustic shell improves the service life of blower and motor.The technical solution adopted is that: a kind of direct-connection transmission twin-screw drum
Including Double screw blower and the pedestal of the Double screw blower bottom, the twin-screw air blast is arranged in blower unit
Acoustic hood outside machine, feature in: the Double screw blower is connect with the pedestal by base support, the twin-screw
Air blower is connect with motor by shaft coupling, and the motor is connect with the pedestal by electric machine support, the twin-screw air blast
Import silencer is arranged in the air inlet of machine upper end, and is connect by bend pipe with outlet noise silencer in its lower end gas outlet, it is described out
The other end of mouth silencer sets gradually elastomeric joint, threeway by escape pipe, and pressure release is arranged at the other both ends of the threeway
Valve, check valve.
The improvement of the utility model has, and the shaft coupling uses yielding coupling, including driving shaft, driven shaft, Zuo Banlian
Axis device, right half a coupler, the left half a coupler, right half a coupler inner face be provided with protrusion spline, it is described protrusion
Spline cooperates with the elastic ring for being provided with spline, and guard ring is fixed on the excircle of the elastic ring, the driving shaft, from
The shaft coupling expansion set of cone is provided on moving axis.
The improvement of the utility model in addition, the import silencer include: in suppressor case near the air entry
Anti- formula noise reduction porous plate and resistive noise reduction part and inlet air filtration part, the resistance are set in fan inlet upstream position
Formula noise reduction unit point includes: that acoustic damping materials and orifice plate are set gradually in the shell of the silencer, the inlet air filtration part packet
Include: fastening bolt bracket, filter core, the fastening bolt bracket are fixedly connected with filter core installation partition, and the filter core installs partition
It is connected with the suppressor case.
The improvement of the utility model is in addition, the outlet noise silencer includes the air inlet flange and outlet at outer barrel and both ends
Mouthful flange, import resonantron are connected with the air inlet flange, outer barrel respectively, export resonantron respectively with the gas outlet method
Blue, outer barrel is connected, and one group of resonantron is at least arranged two and is arranged on intermediate bulkhead, and the intermediate bulkhead is arranged two simultaneously
It is connected with the outer barrel, is orderly arranged outside each heat-barrier material, galvanized sheet in the outer barrel.Outlet noise silencer periphery package
The centrifugally glass-wool of 30~100mm thickness or so is heat-barrier material, and the plating with a thickness of 0.3~1mm or so is wrapped up outside centrifugally glass-wool
Zine plate mask.The heat that silencer distributes wrap up by centrifugally glass-wool it is heat-insulated, by heat-insulated to 40 DEG C or so of 220 DEG C of temperature,
Heat insulation is good, meanwhile, the temperature in acoustic hood can be greatly reduced.
The improvement of the utility model is in addition, be arranged damper in the bottom end of the pedestal.
The improvement of the utility model is in addition, the outside of the acoustic hood is arranged in the threeway, relief valve, check valve.
The improvement of the utility model is in addition, the motor selects permanent magnet synchronous motor.
The improvement of the utility model is in addition, be arranged direct-connected shield, the direct-connected shield and institute in the external of the shaft coupling
Pedestal is stated to be connected.
The utility model has the beneficial effects that: using yielding coupling, due to coupling design protrusion spline with
Taper expansion set is installed between elastic ring engaged transmission and shaft coupling inner hole and axis and avoids shaft coupling convenient for the installation of shaft coupling
Device inner hole and axis are transition fit or are interference fitted the inconvenient disadvantage of bring installation, and define that elastomer is transported in shaft coupling
Axial float when turning improves the running stability of shaft coupling, has the function of buffering, damping and stabilized (steady-state) speed, can protect
Components are not damaged, and in blower inlet, outlet setting silencer, the purpose of noise reduction are realized, using the noise elimination of impedance complex formula
Device can 5 ~ 8dB(A of noise reduction than existing structure silencer), noise reduction effect is significant, outlet noise silencer periphery package it is certain thickness from
To be thermally shielded, heat insulation is good for heart mineral wool and galvanized sheet mask, meanwhile, the temperature in acoustic hood can be greatly reduced.Together
When escape pipe be arranged outside acoustic hood, reduce the temperature in acoustic hood, improve the service life of blower and motor.
Detailed description of the invention
Attached drawing 1 is the utility model structure diagram, and attached drawing 2 is shaft coupling structure schematic diagram, and attached drawing 3 is import silencer knot
Structure schematic diagram, attached drawing 4 is outlet noise silencer structure schematic diagram, wherein 1 motor, 2 direct-connected shields, 3 shaft couplings, 31 driven shaft 32 left half
Shaft coupling, 33 shaft coupling expansion sets, 34 elastic rings, 35 guard rings, 36 right half a couplers, 37 driving shafts, 4 import silencers, 41 bolts
Bracket, 42 filter cores, 43 acoustic damping materials, 44 orifice plates, 45 shells, 46 air entries, 47 anti-formula noise reduction porous plates, 48 filter cores installation every
Plate, 49 fan inlets, 5 acoustic hoods, 6 Double screw blowers, 7 bend pipes, 8 pedestals, 9 outlet noise silencers, 91 air inlet flanges,
92 import resonantrons, 93 outer barreies, 94 intermediate bulkheads, 95 resonantrons, 96 outlet resonantrons, 97 gas outlet flanges, 10 dampers,
11 elastomeric joints, 12 threeways, 13 check valves, 14 relief valves, 15 escape pipes.
Specific embodiment
With reference to the accompanying drawing, specific embodiment of the present utility model is illustrated.The utility model discloses one kind
Direct-connection transmission Double screw blower unit, including Double screw blower 6 and be arranged in 6 bottom of Double screw blower pedestal 8,
Acoustic hood 5 outside Double screw blower 6, Double screw blower 6 are connect with pedestal 8 by base support, Double screw blower 6
It is connect with motor 1 by shaft coupling 3, motor 1 is connect with pedestal 8 by electric machine support, the air inlet of 6 upper end of Double screw blower
Import silencer 4 is set, and is connect by bend pipe 7 with outlet noise silencer 9 in its lower end gas outlet, the outlet of outlet noise silencer 9
Mouth flange is sequentially connected elastomeric joint 11, threeway 12, and relief valve 14, check valve 13 is arranged at the other both ends of threeway.
Shaft coupling 3 uses yielding coupling, including driving shaft 37, driven shaft 31, left half a coupler 32, right half a coupler
36, left half a coupler 32, right half a coupler 36 inner face be provided with the spline of protrusion, raised spline and be provided with spline
Elastic ring 34 cooperate, guard ring 35 is fixed on the excircle of elastic ring 34, is provided with circular cone on driving shaft 37, driven shaft 31
The shaft coupling expansion set 33 of shape.
Import silencer 4 include: anti-formula noise reduction porous plate 47 in suppressor case near the air entry 46 and
Resistive noise reduction part and inlet air filtration part is arranged in fan inlet upstream position, and resistive noise reduction unit point includes: in silencer
Shell 45 in set gradually acoustic damping materials 43 and orifice plate 44, inlet air filtration part includes: fastening bolt bracket 41, filter core 42,
Fastening bolt bracket 41 is fixedly connected with filter core 42 with installation partition 48, and filter core installs partition 48 and suppressor case is connected.
Outlet noise silencer 9 includes the air inlet flange 91 and gas outlet flange 97 at outer barrel 93 and both ends, import resonantron
92 are connected with air inlet flange 91, outer barrel 93 respectively, outlet resonantron 96 respectively with gas outlet flange 91,93 phase of outer barrel
Even, one group of resonantron 95 is arranged four and is arranged on intermediate bulkhead 94, and intermediate bulkhead 94 is arranged two and consolidates with outer barrel 93
Even, heat-barrier material, galvanized sheet are orderly arranged outside each in outer barrel 93.
In the bottom end of pedestal 8, damper 10 is set.
The outside of acoustic hood 5 is arranged in threeway 12, relief valve 14, check valve 13.
Motor 1 selects permanent magnet synchronous motor.
Direct-connected shield 2 is arranged in external in shaft coupling 3, and direct-connected shield 2 is connected with pedestal 8.
Certainly, above description is not limitation of the utility model, and the utility model is also not limited to the example above, this skill
The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made in the essential scope of the utility model, also belong to
In the protection scope of the utility model.
Claims (8)
1. a kind of direct-connection transmission Double screw blower unit, including Double screw blower and setting are in the Double screw blower
Acoustic hood outside the pedestal of bottom, the Double screw blower, feature are logical in: the Double screw blower and the pedestal
Base support connection is crossed, the Double screw blower is connect with motor by shaft coupling, and the motor and the pedestal pass through electricity
Import silencer is arranged in machine support connection, the air inlet of the Double screw blower upper end, and passes through in its lower end gas outlet curved
Pipe is connect with outlet noise silencer, and the other end of the outlet noise silencer sets gradually elastomeric joint, threeway by escape pipe, in institute
State the setting of other the both ends relief valve, check valve of threeway.
2. a kind of direct-connection transmission Double screw blower unit described in accordance with the claim 1, it is characterised in that: the shaft coupling is adopted
With yielding coupling, including driving shaft, driven shaft, left half a coupler, right half a coupler, the left half a coupler, right half shaft coupling
The inner face of device is provided with the spline of protrusion, and the spline of the protrusion cooperates with the elastic ring for being provided with spline, and guard ring is fixed
On the excircle of the elastic ring, the shaft coupling expansion set of cone is provided on the driving shaft, driven shaft.
3. a kind of direct-connection transmission Double screw blower unit described in accordance with the claim 1, it is characterised in that: the import is eliminated the noise
Device includes: anti-formula noise reduction porous plate in suppressor case near the air entry and sets in fan inlet upstream position
Resistive noise reduction part and inlet air filtration part are set, the resistive noise reduction unit point includes: successively to set in the shell of the silencer
Set acoustic damping materials and orifice plate, the inlet air filtration part includes: fastening bolt bracket, filter core, the fastening bolt bracket and filter
Core installation partition is fixedly connected, and the filter core installation partition and the suppressor case are connected.
4. a kind of direct-connection transmission Double screw blower unit described in accordance with the claim 1, it is characterised in that: the outlet silencing
Device includes the air inlet flange and gas outlet flange at outer barrel and both ends, import resonantron respectively with the air inlet flange, outer
Cylinder is connected, and outlet resonantron is connected with the gas outlet flange, outer barrel respectively, and one group of resonantron is at least arranged two and sets
Set on intermediate bulkhead, the intermediate bulkhead is arranged two and is simultaneously connected with the outer barrel, the outside of the outer barrel successively
Heat-barrier material, galvanized sheet are set.
5. a kind of direct-connection transmission Double screw blower unit described in accordance with the claim 1, it is characterised in that: in the pedestal
Damper is arranged in bottom end.
6. a kind of direct-connection transmission Double screw blower unit described in accordance with the claim 1, it is characterised in that: the threeway is let out
The outside of the acoustic hood is arranged in pressure valve, check valve.
7. a kind of direct-connection transmission Double screw blower unit described in accordance with the claim 1, it is characterised in that: the motor is selected
Permanent magnet synchronous motor.
8. a kind of direct-connection transmission Double screw blower unit described in accordance with the claim 1, it is characterised in that: in the shaft coupling
It is external direct-connected shield is set, the direct-connected shield and the pedestal are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822220543.0U CN209704846U (en) | 2019-08-16 | 2019-08-16 | A kind of direct-connection transmission Double screw blower unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822220543.0U CN209704846U (en) | 2019-08-16 | 2019-08-16 | A kind of direct-connection transmission Double screw blower unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209704846U true CN209704846U (en) | 2019-11-29 |
Family
ID=68637376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822220543.0U Active CN209704846U (en) | 2019-08-16 | 2019-08-16 | A kind of direct-connection transmission Double screw blower unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209704846U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115750332A (en) * | 2022-12-08 | 2023-03-07 | 陕西大漠科技有限公司 | Eccentric rotary mixed transportation pump |
-
2019
- 2019-08-16 CN CN201822220543.0U patent/CN209704846U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115750332A (en) * | 2022-12-08 | 2023-03-07 | 陕西大漠科技有限公司 | Eccentric rotary mixed transportation pump |
| CN115750332B (en) * | 2022-12-08 | 2024-01-02 | 陕西大漠科技有限公司 | Eccentric rotary mixing and conveying pump |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210927 Address after: 250200 2120 Chuangye Road, Mingshui economic and Technological Development Zone, Zhangqiu City, Jinan City, Shandong Province Patentee after: Jinan Baihui Machinery Technology Co.,Ltd. Address before: 250200 Chuangye Road, Mingshui Economic Development Zone, Zhangqiu City, Jinan City, Shandong Province Patentee before: SHANDONG BAIHUI PRECISION MACHINERY Co.,Ltd. |