CN109322824A - Helical-lobe compressor and its multi-stage screw drive mechanism - Google Patents
Helical-lobe compressor and its multi-stage screw drive mechanism Download PDFInfo
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- CN109322824A CN109322824A CN201811229672.4A CN201811229672A CN109322824A CN 109322824 A CN109322824 A CN 109322824A CN 201811229672 A CN201811229672 A CN 201811229672A CN 109322824 A CN109322824 A CN 109322824A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a kind of helical-lobe compressor and its multi-stage screw drive mechanisms, multi-stage screw drive mechanism includes multi-stage rotor group, the rotor set includes mutually matched male rotor and female rotor, a male rotor in the multistage rotor set is the first male rotor (1) for the driving end rotation connection with driving device, in rotor set described in adjacent two-stage, the gear (3) of coaxial arrangement is all had on the male rotor in rotor set described in the male rotor and/or female rotor and rear stage in rotor set described in previous stage；The gear (3) of rotor set described in adjacent two-stage intermeshes.Multi-stage screw drive mechanism provided in an embodiment of the present invention, the entire length for effectively reducing the cooperation transmission of multi-stage rotor group, reduces the overall structure of compressor, effectively increases the structural compactness of compressor, also, reduce noise and the vibration of compressor overall operation.
Description
The application be the applying date be on 08 01st, 2016, it is entitled " helical-lobe compressor and its multi-stage screw transmission
Structure ", application No. is the divisional applications of 201610627297.3 invention.
Technical field
The present invention relates to compression device technical field, in particular to a kind of helical-lobe compressor and its multi-stage screw transmission knot
Structure.
Background technique
With the raising to compressor compresses amount, the application of multi-stage screw compressor is also more and more extensive.
By taking single machine two-stage screw bolt compressor as an example, it is suitable for the evaporating temperatures such as freezing and refrigeration, low temperature environment laboratory compared with
Low and big refrigeration requirement place.
Currently, single machine two-stage screw bolt compressor has two-stage rotor set, including low-pressure stage male rotor and hiigh pressure stage male rotor.
One end of low-pressure stage male rotor is connect with driving device, and one end of the other end and hiigh pressure stage male rotor of low-pressure stage male rotor passes through
Shaft coupling connection.Since two-stage rotor uses the form of shaft coupling connection, so that the length of fit of two-stage rotor set is longer, so that
The overall structure of compressor is too long, while the volume of compressor is larger and loosely organized, so that compressor overall operation is made an uproar
Sound and vibration are higher.
Therefore, the structural compactness of compressor how is improved, reduces noise and vibration, is that those skilled in the art urgently solves
Certainly the problem of.
Summary of the invention
Subtracted in view of this, the present invention provides a kind of multi-stage screw drive mechanisms with improving the structural compactness of compressor
Small noise and vibration.The invention also discloses a kind of helical-lobe compressors.
To achieve the above object, the invention provides the following technical scheme:
It can be seen from the above technical scheme that a kind of multi-stage screw drive mechanism provided by the invention, including multistage turn
Subgroup, the rotor set include mutually matched male rotor and female rotor, and a male rotor in the multistage rotor set is to use
In the first male rotor of the driving end rotation connection with driving device, the two neighboring rotor set, rotor described in previous stage
The gear of coaxial arrangement is all had on male rotor in rotor set described in male rotor and/or female rotor and rear stage in group；
The gear of the two neighboring rotor set intermeshes.
Preferably, in above-mentioned multi-stage screw drive mechanism, the quantity of the rotor set is two-stage.
Preferably, in above-mentioned multi-stage screw drive mechanism, the gear is located at the end of the rotor of the rotor set.
Preferably, in above-mentioned multi-stage screw drive mechanism, the rotor of transmission is cooperated to distinguish in rotor set described in adjacent two-stage
For power rotor and passive rotor；
The opposite end of the power rotor and the passive rotor is provided with the gear.
Preferably, two female rotor positions in above-mentioned multi-stage screw drive mechanism, with the two neighboring male rotor cooperation
In the same side of the male rotor.
Preferably, in above-mentioned multi-stage screw drive mechanism, there is external thread section, institute on the outer wall of the rotor of the rotor set
Stating gear has the internal thread hole matched with the external thread section.
It preferably, further include cooperating with the external thread section, for avoiding the tooth in above-mentioned multi-stage screw drive mechanism
Take turns the locking nut slipped.
Preferably, in above-mentioned multi-stage screw drive mechanism, first male rotor is low-pressure stage male rotor.
The present invention also provides a kind of helical-lobe compressors, including compressor housing and positioned at the compressor
Multi-stage screw drive mechanism, the multi-stage screw drive mechanism are the multi-stage screw drive mechanism such as any of the above-described.
Preferably, in above-mentioned helical-lobe compressor, the quantity of the compressor housing be multiple and with the rotor set one by one
It is corresponding.
It preferably, further include being set on the compressor housing, for adjusting the gear in above-mentioned helical-lobe compressor
The adjustment hole of position；
The adjustment hole is correspondingly arranged with the gear.
Preferably, in above-mentioned helical-lobe compressor, the adjustment hole is tonifying Qi hole.
Multi-stage screw drive mechanism provided by the invention, one in multiple male rotors is the first male rotor, and the first sun turns
Son with the driving end of driving device for being rotatablely connected, in order to provide rotatory force to multiple male rotors.Adjacent two-stage rotor set
Gear intermeshing.By above-mentioned setting, so that the male rotor in multi-stage rotor group rotates.Due to adjacent two-stage rotor set
It is engaged by gear and completes transmission, avoid setting shaft coupling, therefore, the rotor in adjacent two-stage rotor set is not necessarily to co-axially align
Transmission can also be cooperated, the entire length of multi-stage rotor group cooperation transmission is effectively reduced, reduce the overall structure of compressor,
The structural compactness of compressor is effectively increased, also, reduces noise and the vibration of compressor overall operation.
The present invention also provides a kind of helical-lobe compressors with above-mentioned multi-stage screw drive mechanism.Due to above-mentioned multistage spiral shell
Bar drive mechanism has above-mentioned technique effect, and the helical-lobe compressor with above-mentioned multi-stage screw drive mechanism should also have similarly
Technical effect is no longer discussed in detail herein.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of multi-stage screw drive mechanism provided in an embodiment of the present invention；
Fig. 2 is the schematic side view of gear provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of internal structure of helical-lobe compressor provided in an embodiment of the present invention；
Fig. 4 is the schematic side view of multi-stage screw drive mechanism provided in an embodiment of the present invention.
Specific embodiment
The invention discloses a kind of multi-stage screw drive mechanism, to improve the structural compactness of compressor, reduce noise and
Vibration.The invention also discloses a kind of helical-lobe compressors.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As described in Figure 1, the embodiment of the invention provides a kind of multi-stage screw drive mechanism, including multi-stage rotor group, rotors
Group includes mutually matched male rotor and female rotor, and multi-stage rotor group has multiple male rotors and negative correspondingly with male rotor
Rotor, a male rotor in multiple male rotors are the first male rotor 1, and the first male rotor 1 is for the driving end with driving device
Rotation connection.In adjacent two-stage rotor set, in the male rotor and/or female rotor and rear stage rotor set in previous stage rotor set
Male rotor on all have the gear 3 of coaxial arrangement；The gear 3 of adjacent two-stage rotor set intermeshes.
That is, gear 3 can be arranged on two male rotors in the embodiment of the present invention, the two male rotors are respectively previous
Male rotor in grade rotor set and the male rotor in rear stage rotor set.It is intermeshed by the gear 3 on two male rotors, it is real
The gear 3 of existing adjacent two-stage rotor set intermeshes, and realizes the transmission between adjacent two-stage rotor set.
Gear 3 can also be set on the female rotor in previous stage rotor set and the male rotor in rear stage rotor set.It is logical
It crosses a female rotor to intermesh with the gear 3 on a male rotor, realizes that the gear 3 of adjacent two-stage rotor set intermeshes,
Realize the transmission between adjacent two-stage rotor set.
Gear 3 can also be respectively provided on the male rotor and female rotor in previous stage rotor set, that is, in previous stage rotor set
Have there are two gear 3,；Also, gear 3 is set on the male rotor in rear stage rotor set, by will be in rear stage rotor set
Male rotor on gear 3 and two gears 3 in previous stage rotor set be intermeshed, the program can also further increase tooth
The precision of 3 engagement of wheel and the stability of transmission.
Multi-stage screw drive mechanism provided in an embodiment of the present invention, one in multiple male rotors is the first male rotor 1, the
One male rotor 1 is used to be rotatablely connected with the driving end of driving device, in order to provide rotatory force to multiple male rotors.Adjacent two-stage
The gear 3 of rotor set is intermeshed.By above-mentioned setting, so that the male rotor in multi-stage rotor group rotates.Due to adjacent two
Grade rotor set is engaged by gear 3 and completes to be driven, and setting shaft coupling is avoided, therefore, rotor in adjacent two-stage rotor set without
It needs co-axially align that can also cooperate transmission, effectively reduces the entire length of multi-stage rotor group cooperation transmission, reduce compressor
Overall structure, effectively increase the structural compactness of compressor, also, reduce noise and the vibration of compressor overall operation
It is dynamic.
It is understood that gear 3 can be lubricated and be freezed by refrigeration oil existing in helical-lobe compressor, guarantee
Operational safety and part service life.Also, in adjacent two-stage rotor set, previous stage rotor set is the rotor close to driving device
Group, rear stage rotor set are the rotor set far from driving device.The driving force of driving device transmitting is transmitted by previous stage rotor set
Give rear stage rotor set.
As shown in Figure 1, the quantity of male rotor is two.Therefore, the quantity of rotor set is two-stage, that is, in the present embodiment
Multi-stage screw drive mechanism is two-stage screw drive mechanism.In the present embodiment, two male rotors are the first male rotor 1 and second
Male rotor 2 further includes the second female rotor 6 with the first female rotor 5 of the first male rotor 1 cooperation and with the cooperation of the second male rotor 2.
In the present embodiment, the first male rotor 1 is used to be rotatablely connected with the driving end of driving device, on the first male rotor 1
Gear 3 engaged with the gear 3 on the second male rotor 2 so that the first male rotor 1 rotate when drive 2 turns of the second male rotor
It is dynamic.
Gear 3 can also be set on the first female rotor 5 and the second male rotor 2, the gear 3 on the first female rotor 5 and
Gear 3 on two male rotors 2 is intermeshed.
It can also be three by the quantity of male rotor, that is, in also having among the first male rotor 1 and the second male rotor 2
Between male rotor, two gears 3 can be set on intermediate male rotor, respectively with the gear on the first male rotor 1 and the second male rotor 2
3 engagements；Also a gear 3 can be set, cooperate jointly with the gear 3 on the first male rotor 1 and the second male rotor 2.
As shown in Figures 1 and 2, in order to avoid male rotor is there are axial force, gear 3 is preferably spur gear wheel.
Cylindric spiral gear can also be set by gear 3；Alternatively, setting straight bevel gear 3 for gear 3；Alternatively, by tooth
Wheel 3 is set as circular cone helical gear 3.
In the present embodiment, gear 3 is located at the end of the rotor of rotor set.Wherein, the rotor of above-mentioned rotor set is setting
Cogged male rotor or female rotor.For being provided with gear 3 on male rotor, gear 3 is set to the end of male rotor, so that
Spiro rod section of the gear 3 far from male rotor, and then avoid the gear 3 on male rotor and interfering between female rotor.
Preferably, the rotor for transmission being cooperated in adjacent two-stage rotor set is respectively power rotor and passive rotor；Actively turn
The opposite end of son and passive rotor is provided with gear 3.As shown in Figure 1, the first male rotor 1 drives the rotation of the second male rotor 2, because
This, the first male rotor 1 is power rotor, and the second male rotor 2 is passive rotor.Wherein, the first male rotor 1 and the second male rotor 2
Opposite end be provided with gear 3 it is convenient so that the first male rotor 1 and the second male rotor 2 are arranged along the direction far from driving device
The setting of compressor housing, also facilitates the mutual cooperation of the first male rotor 1 and the second male rotor 2.
Gear 3 can also be set to the ipsilateral of power rotor (the first male rotor 1) and passive rotor (the second male rotor 2)
End, in order to which the first male rotor 1 and the second male rotor 2 are arranged along the direction perpendicular to male rotor axis.
It is located at the same side of male rotor with two female rotors of two neighboring male rotor cooperation.In the present embodiment, the first yin
Rotor 5 and the first male rotor 1 cooperate, and the second female rotor 6 and the second male rotor 2 cooperate, the first female rotor 5 and the second female rotor 6
Positioned at the same side of the first male rotor 1 and the second male rotor 2.As shown in Figure 1, the first female rotor 5 is located at the first male rotor 1 in figure
Lower section, the second female rotor 6 is located at the lower section of the second male rotor 2 in figure.In order to make the first female rotor 5 and the first male rotor
Gap (the second compression cooperated between the gap (the first compression chamber) cooperated between 1 and the second female rotor 6 and the second male rotor 2
Chamber) it is oppositely arranged, facilitate the arrangement of compressor housing.Two female rotors can also be located to the two sides of male rotor,
This is no longer discussed in detail and within protection scope.
There is external thread section, gear 3 has the internal thread hole matched with external thread section on the outer wall of the rotor of rotor set.
That is, gear 3 is threadedly engaged with male rotor and connect, the connective stability of gear 3 Yu male rotor is further improved.It can also be in tooth
Unthreaded hole, male rotor and unthreaded hole interference or excessively cooperation are set on wheel 3.Other modes can also be used, it is only necessary to ensure gear 3 and sun
Rotor common rotation.Wherein, the rotor of above-mentioned rotor set is that cogged male rotor or female rotor is arranged.
As shown in Figure 1, further including locking nut, locking nut in multi-stage screw drive mechanism provided in an embodiment of the present invention
Cooperate with the external thread section of rotor, for avoiding gear 3 from slipping.By the way that locking nut is arranged, further improves gear 3 and turning
Stability maintenance on son avoids gear 3 from slipping from rotor.
In the present embodiment, there is the rotor key being cooperatively connected for the driving end with driving device on the first male rotor 1
Slot；There is the rotor key 11 being matched therewith in rotor keyway.That is, the first male rotor 1 passes through rotor key 11 and driving device
Drive end connection.It can also no longer be situated between in detail herein by the driving end of driving device and the first male rotor 1 by gear drive
It continues.
Above-mentioned driving device is preferably motor.
In the present embodiment, the first male rotor 1 is low-pressure stage male rotor.As shown in Fig. 1 and Fig. 4, the first male rotor 1 is low
Arbitrarily downgrade male rotor, therefore, the second male rotor 2 is low-pressure stage male rotor, in order to match with decrement, the first male rotor 1 it is straight
Diameter is greater than the diameter of the second male rotor 2, and the cooperation for being more advantageous to the first male rotor and the second male rotor 2 is driven, and improves transmission
Stability.
The embodiment of the invention also provides a kind of helical-lobe compressor, including compressor housing and it is located at compressor
Multi-stage screw drive mechanism, multi-stage screw drive mechanism is such as above-mentioned any multi-stage screw drive mechanism.Due to above-mentioned more
Grade screw drive structure has above-mentioned technique effect, and the helical-lobe compressor with above-mentioned multi-stage screw drive mechanism should also have together
The technical effect of sample, is no longer discussed in detail herein.
The male rotor of multi-stage screw drive mechanism and/or the female rotor of multi-stage screw drive mechanism are set to pressure by bearing bracket stand
In contracting casing body, in order to improve rotational stability, friction loss is reduced.
Compressor housing includes low-pressure stage compressor housing and high pressure stage compressor shell.
As shown in figure 3, the first male rotor 1 and the first female rotor 5 are mounted in low-pressure stage compression case body.First male rotor
1 is connect by rotor key 11 with driving device (motor), the first male rotor 1 and passes through low-pressure stage with one end of the first female rotor 5
Exhaust bearing group 8 is fixed in the exhaust bearing block of low-pressure stage compressor housing.First male rotor 1 and with the first female rotor 5
The other end (close to one end of driving device) is fixed on the air-breathing axis of low-pressure stage compressor housing by low-pressure stage air-breathing bearing group 7
It holds in seat.
Second male rotor 2 and the second female rotor 6 are mounted in high pressure stage compressor shell, the second male rotor 2 and the second yin
One end of rotor 6 is vented bearing group 10 by hiigh pressure stage and is fixed in the exhaust bearing block of high pressure stage compressor shell.Second sun
Rotor 2 and the other end (close to one end of the first male rotor 1) of the second female rotor 6 are fixed on by hiigh pressure stage air-breathing bearing group 9
In the air-breathing bearing block of high pressure stage compressor shell.
When installation, low-pressure stage rotor set is first assembled into (the components such as the first male rotor 1, the first female rotor 5 and bearing installation
In in low-pressure stage compression case body), then hiigh pressure stage rotor set is assembled into (the second male rotor 2, the second female rotor 6 and bearing etc.
Component is installed in high pressure stage compressor shell), adjust the gear 3 on the gear 3 and the second male rotor 2 on the first male rotor 1
Position so that two gears 3 are intermeshed, then low-pressure stage compressor housing is aligned and is connected with high pressure stage compressor shell
Installation.
By above-mentioned setting, the quantity of compressor housing is multiple and corresponds with rotor set.That is, compressor housing packet
Include low-pressure stage compressor housing and high pressure stage compressor shell.Pass through above-mentioned setting, it can be seen that facilitate the assembling of compressor.
Also a compressor housing can be set, multi-stage rotor group is installed in the same compression case body.
Helical-lobe compressor provided in an embodiment of the present invention further includes the adjustment hole being set on compressor housing, adjustment hole
For 3 position of adjustment gear, therefore, adjustment hole is correspondingly arranged with gear 3.After helical-lobe compressor installation, using tool by adjusting
Knothole adjusts the position of gear 3 again, to guarantee installation accuracy.
Preferably, adjustment hole is tonifying Qi hole.In order to improve the application range of adjustment hole.
As shown in figure 4, the first male rotor 1 and the second male rotor 2 can not be in same levels.It is of course also possible to will
First male rotor 1 and the second male rotor 2 are set in same level.Above-mentioned horizontal plane is helical-lobe compressor normal operating conditions
Under horizontal plane.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (12)
1. a kind of multi-stage screw drive mechanism, including multi-stage rotor group, the rotor set includes mutually matched male rotor and yin
Rotor, a male rotor in the multistage rotor set are the first male rotor for the driving end rotation connection with driving device
(1), which is characterized in that in rotor set described in adjacent two-stage, male rotor and/or female rotor in rotor set described in previous stage and after
The gear (3) of coaxial arrangement is all had on male rotor in rotor set described in level-one；
The gear (3) of rotor set described in adjacent two-stage intermeshes.
2. multi-stage screw drive mechanism as described in claim 1, which is characterized in that the quantity of the rotor set is two-stage.
3. multi-stage screw drive mechanism as described in claim 1, which is characterized in that the gear (3) is located at the rotor set
Rotor end.
4. multi-stage screw drive mechanism as claimed in claim 3, which is characterized in that cooperate in rotor set described in adjacent two-stage and pass
Dynamic rotor is respectively power rotor and passive rotor；
The opposite end of the power rotor and the passive rotor is provided with the gear (3).
5. multi-stage screw drive mechanism as described in claim 1, which is characterized in that with the two neighboring male rotor cooperation
Two female rotors are located at the same side of the male rotor.
6. multi-stage screw drive mechanism as described in claim 1, which is characterized in that have on the outer wall of the rotor of the rotor set
There is external thread section, the gear (3) has the internal thread hole matched with the external thread section.
7. multi-stage screw drive mechanism as claimed in claim 6, which is characterized in that it further include cooperating with the external thread section,
Locking nut for avoiding the gear (3) from slipping.
8. multi-stage screw drive mechanism as described in claim 1, which is characterized in that first male rotor (1) is low-pressure stage
Male rotor.
9. a kind of helical-lobe compressor is driven knot including compressor housing and positioned at the multi-stage screw of the compressor
Structure, which is characterized in that the multi-stage screw drive mechanism is such as the described in any item multi-stage screw transmission knots of claim 1-8
Structure.
10. helical-lobe compressor as claimed in claim 9, which is characterized in that the quantity of the compressor housing be it is multiple and with
The rotor set corresponds.
11. helical-lobe compressor as claimed in claim 10, which is characterized in that it further include being set on the compressor housing,
For adjusting the adjustment hole of the gear (3) position；
The adjustment hole is correspondingly arranged with the gear (3).
12. helical-lobe compressor as claimed in claim 11, which is characterized in that the adjustment hole is tonifying Qi hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811229672.4A CN109322824B (en) | 2016-08-01 | 2016-08-01 | Screw compressor and multistage screw transmission structure thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811229672.4A CN109322824B (en) | 2016-08-01 | 2016-08-01 | Screw compressor and multistage screw transmission structure thereof |
| CN201610627297.3A CN106050657A (en) | 2016-08-01 | 2016-08-01 | Screw compressor and multistage screw drive structure thereof |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610627297.3A Division CN106050657A (en) | 2016-08-01 | 2016-08-01 | Screw compressor and multistage screw drive structure thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109322824A true CN109322824A (en) | 2019-02-12 |
| CN109322824B CN109322824B (en) | 2021-02-19 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811307153.5A Active CN109209875B (en) | 2016-08-01 | 2016-08-01 | Screw compressor and multistage screw transmission structure thereof |
| CN201811229672.4A Active CN109322824B (en) | 2016-08-01 | 2016-08-01 | Screw compressor and multistage screw transmission structure thereof |
| CN201610627297.3A Withdrawn CN106050657A (en) | 2016-08-01 | 2016-08-01 | Screw compressor and multistage screw drive structure thereof |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811307153.5A Active CN109209875B (en) | 2016-08-01 | 2016-08-01 | Screw compressor and multistage screw transmission structure thereof |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610627297.3A Withdrawn CN106050657A (en) | 2016-08-01 | 2016-08-01 | Screw compressor and multistage screw drive structure thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762644A (en) * | 2017-03-02 | 2017-05-31 | 奥夫尔科精铸机械（昆山）有限公司 | A kind of multiple compression helical-lobe compressor |
| CN108443146A (en) * | 2018-05-24 | 2018-08-24 | 上海维尔泰克螺杆机械有限公司 | A kind of two-stage helical-lobe compressor of band grade room machine mixer |
| CN108644117A (en) * | 2018-07-25 | 2018-10-12 | 宁波鲍斯能源装备股份有限公司 | A kind of three-level screw drive structure and its helical-lobe compressor |
| CN109578275A (en) * | 2018-12-27 | 2019-04-05 | 珠海格力电器股份有限公司 | Two-stage screw compressor and its twin-stage rotor set mounting structure used |
| CN109441812A (en) * | 2018-12-27 | 2019-03-08 | 珠海格力电器股份有限公司 | Multi-stage screw compressor and air conditioner |
| CN109441813A (en) * | 2018-12-27 | 2019-03-08 | 珠海格力电器股份有限公司 | Multi-stage screw compressor and air conditioner |
| CN109737057A (en) * | 2018-12-27 | 2019-05-10 | 珠海格力电器股份有限公司 | Multi-stage screw compressor and air conditioner |
| CN114320910B (en) * | 2020-12-02 | 2023-05-19 | 珠海格力电器股份有限公司 | Screw compressor and air conditioning system |
| CN112879290B (en) * | 2021-01-25 | 2022-06-14 | 马鞍山赛力文机械有限公司 | Double-screw main machine structure driven by front end gear and rear end gear |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100855187B1 (en) * | 2006-11-16 | 2008-09-01 | (주)엘오티베큠 | Composite dry vacuum pump having roots and screw rotor |
| CN102182680A (en) * | 2011-06-02 | 2011-09-14 | 重庆大学 | Multi-stage speed changing screw pump |
| CN203835726U (en) * | 2014-05-23 | 2014-09-17 | 英诺伟特（昆山）能源机械有限公司 | Two-stage compression oil injection screw main engine |
| CN205918589U (en) * | 2016-08-01 | 2017-02-01 | 珠海格力电器股份有限公司 | Helical -lobe compressor and multistage screw drive structure thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5110882B2 (en) * | 2007-01-05 | 2012-12-26 | 株式会社日立産機システム | Oil-free screw compressor |
| JP2008196390A (en) * | 2007-02-13 | 2008-08-28 | Toyota Industries Corp | Variable volume fluid machine |
| CN204646663U (en) * | 2015-04-24 | 2015-09-16 | 福建雪人股份有限公司 | Multiscrew compressor |
| CN104912800B (en) * | 2015-07-10 | 2017-03-15 | 金鑫 | A kind of adjustable single machine two-stage inverter screw compressor of interior volume specific ratio |
| CN204877948U (en) * | 2015-08-14 | 2015-12-16 | 温岭市鑫磊空压机有限公司 | Second grade compression screw air compressor |
| CN205172939U (en) * | 2015-12-12 | 2016-04-20 | 广东正力精密机械有限公司 | Single screw rod two -stage or multi -stage compressor |
-
2016
- 2016-08-01 CN CN201811307153.5A patent/CN109209875B/en active Active
- 2016-08-01 CN CN201811229672.4A patent/CN109322824B/en active Active
- 2016-08-01 CN CN201610627297.3A patent/CN106050657A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100855187B1 (en) * | 2006-11-16 | 2008-09-01 | (주)엘오티베큠 | Composite dry vacuum pump having roots and screw rotor |
| CN102182680A (en) * | 2011-06-02 | 2011-09-14 | 重庆大学 | Multi-stage speed changing screw pump |
| CN203835726U (en) * | 2014-05-23 | 2014-09-17 | 英诺伟特（昆山）能源机械有限公司 | Two-stage compression oil injection screw main engine |
| CN205918589U (en) * | 2016-08-01 | 2017-02-01 | 珠海格力电器股份有限公司 | Helical -lobe compressor and multistage screw drive structure thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109209875A (en) | 2019-01-15 |
| CN109322824B (en) | 2021-02-19 |
| CN109209875B (en) | 2020-05-01 |
| CN106050657A (en) | 2016-10-26 |
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