A kind of two-stage series connection roots blower with auto-tensioning
Technical field
The utility model is related to two-stage series connection roots blower technical field, specially a kind of two-stage series connection with auto-tensioning
Roots blower.
Background technology
Roots blower category positive displacement wind turbine, impeller end face, wind turbine front and rear cover, principle are using two lobed rotors in gas
It is performed relative motion in cylinder to compress and convey the rotary compressor of gas, this blower fan structure is simple, easily manufactured, answers extensively
For aquaculture oxygenation, aeration in sewage treatment, cement transportation, it is more suitable for gas conveying and the compression train of low-pressure occasion
System, it is also possible to make vacuum pump etc..
Existing separate unit roots blower, when flow is certain, pressure limit is limited, and actual requirement is not achieved,
In the case of flow and pressure are all prodigious, single roots blower cannot meet actual use needs, cause production efficiency low, make
It is bad with effect.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of two-stage series connection roots blower with auto-tensioning,
It is all prodigious in flow and pressure to solve existing roots blower, single roots blower cannot meet actual use need
It wants, causes production efficiency low, the bad problem of using effect.
In order to achieve the above object, the utility model is achieved by the following technical programs:It is a kind of with auto-tensioning two
Grade series connection roots blower, including pedestal are fixedly connected with common-base at the top of the pedestal, and the top of the common-base is solid
Surely it is connected with the first roots blower, the spindle nose of first roots blower is fixedly connected with first shaft coupling, and the first shaft coupling
The side of device is fixedly connected with bearing block, and the one end of the bearing block far from first shaft coupling is fixedly connected with second shaft coupling,
Side of the second shaft coupling far from bearing block is fixedly connected with the second roots blower, and the surface of the bearing block passes through belt
Device is sequentially connected with motor.
Preferably, the bottom of the motor is fixedly connected with auto-tensioning pedestal, the bottom of the auto-tensioning pedestal with
The top movable of common-base connects.
Preferably, the air outlet of first roots blower is communicated with cooler by check valve, and the cooler goes out
Air port is connected to the air inlet of the second roots blower.
Preferably, the air outlet of second roots blower is communicated with exit silencer, and the second Roots by pipeline
It is fixedly connected at the top of the bottom of wind turbine and common-base.
Preferably, the bottom of the cooler and exit silencer is fixedly connected at the top of pedestal, and pedestal
Surface is fixedly connected with fixing buckle.
Preferably, the air inlet of first roots blower is communicated with inlet air filtration muffler.
Advantageous effect
The utility model provides a kind of two-stage series connection roots blower with auto-tensioning.Has following advantageous effect:
(1), two-stage series connection roots blower with auto-tensioning, by being fixedly connected with shared bottom at the top of pedestal
, it is fixedly connected with the first roots blower at the top of common-base, the spindle nose of the first roots blower is fixedly connected with the first shaft coupling
Device, and the side of first shaft coupling is fixedly connected with bearing block, and the one end of bearing block far from first shaft coupling is fixedly connected with
Second shaft coupling, side of the second shaft coupling far from bearing block is fixedly connected with the second roots blower, in the case that flow is certain,
The pressure generated is improved, pressure difference is increased, improves the using effect of device, improves gas transport efficiency, is conducive to improve production
Efficiency.
(2), the two-stage series connection roots blower with auto-tensioning is driven by belt dressing by the surface of bearing block and is connected
It is connected to motor, the bottom of motor is fixedly connected with auto-tensioning pedestal, the bottom of auto-tensioning pedestal and the top of common-base
Flexible connection, can be conveniently adjusted the position of motor so that motor drives the first roots blower and the second roots blower simultaneously
Work reduces later stage operation and input cost, and vulnerable part is less, and installation, Operation and maintenance are convenient.
(3), the two-stage series connection roots blower with auto-tensioning, by the air inlet of the first roots blower be communicated with into
The air outlet of gas filtering silencer, the first roots blower is communicated with cooler, the air outlet of cooler and second by check valve
The air inlet of roots blower is connected to, and the air outlet of the second roots blower is communicated with exit silencer by pipeline, and noise is low, runs
Steadily, stability region is wide, the gas cleaning of conveying, dry and oil-free.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the utility model dimensional structure diagram.
In figure:1 first roots blower, 2 inlet air filtration mufflers, 3 first shaft couplings, 4 bearing blocks, 5 common-bases, 6
Two shaft couplings, 7 second roots blowers, 8 coolers, 9 belt dressings, 10 motors, 11 auto-tensioning pedestals, 12 pedestals, 13 outlets
Muffler, 14 check valves, 15 pipelines, 16 fixing buckles.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution:A kind of two-stage series connection Roots's wind with auto-tensioning
The top of machine, including pedestal 12, pedestal 12 is fixedly connected with common-base 5, pedestal 12 and common-base 5 with noise reduction, sound insulation
The top of structure, common-base 5 is fixedly connected with the first roots blower 1, and the air inlet of the first roots blower 1 is communicated with air inlet
Muffler 2 is filtered, inlet air filtration muffler 2 can be filtered gas with filtering and noise reduction double effects, while reducing and making an uproar
The spindle nose of sound, the first roots blower 1 is fixedly connected with first shaft coupling 3, and the side of first shaft coupling 3 is fixedly connected with axis
Bearing 4, bearing block 4 are horizontally split construction, and the one end of bearing block 4 far from first shaft coupling 3 is fixedly connected with second shaft coupling
6, side of the second shaft coupling 6 far from bearing block 4 is fixedly connected with the second roots blower 7, and the air outlet of the first roots blower 1 is logical
It crosses check valve 14 and is communicated with cooler 8, the air outlet of cooler 8 is connected to the air inlet of the second roots blower 7, second Roots's wind
The air outlet of machine 7 is communicated with exit silencer 13, and the bottom of the second roots blower 7 and common-base 5 by pipeline 15
Top is fixedly connected, and the bottom of cooler 8 and exit silencer 13 is fixedly connected with the top of pedestal 12, and pedestal 12
Surface is fixedly connected with fixing buckle 16, and convenient for fixing device, the surface of bearing block 4 is sequentially connected with electricity by belt dressing 9
The bottom of machine 10, motor 10 is fixedly connected with auto-tensioning pedestal 11, the top of the bottom and common-base 5 of auto-tensioning pedestal 11
Portion is flexibly connected, and auto-tensioning mounting base 11 carries automatic stretching structure, and the movement of motor 10 can be driven to drive belt to fill
Set 9 tensionings.
When work, 11 auto-tensioning of auto-tensioning pedestal so that belt dressing 9 is tensioned, and motor 10 works, and drives bearing block
4 rotations, to drive first shaft coupling 3 and second shaft coupling 6 to rotate, to drive the first roots blower 1 and second Roots's wind
Machine 7 works at the same time, and gas filters through inlet air filtration muffler 2, enters the first roots blower 1 after noise reduction, through the first roots blower 1
It is transported in cooler 8, is transported in the second roots blower 7 after the cooling of cooler 8, through second by check valve 14 after pressurization
Roots blower 7 is transported to by pipeline 15 in exit silencer 13 after pressurizeing, and is sent out after noise reduction.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.