CN206439186U - Two-stage type screw air compressor - Google Patents
Two-stage type screw air compressor Download PDFInfo
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- CN206439186U CN206439186U CN201621485009.7U CN201621485009U CN206439186U CN 206439186 U CN206439186 U CN 206439186U CN 201621485009 U CN201621485009 U CN 201621485009U CN 206439186 U CN206439186 U CN 206439186U
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- heat exchanger
- main frame
- pneumatics main
- pneumatics
- air compressor
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Abstract
The utility model provides a kind of two-stage type screw air compressor, including the first pneumatics main frame and the second pneumatics main frame, include a driving screw and sub-screw in each pneumatics main frame, also include motor, the output shaft of the motor passes through the driving screw in the first pneumatics main frame described in the first transmission mechanism direct-drive, first transmission mechanism drives the driving screw in the second pneumatics main frame by a differential structure driven to second transmission mechanism, second transmission mechanism.
Description
Technical field
The utility model provides a kind of air compressor machine, especially a kind of two-stage type screw air compressor.
Background technology
Screw air compressor essential structure：In the body of compressor, a pair of intermeshing spiral shapes are abreast configured
Rotor, generally the rotor outside pitch circle with double wedge, referred to as male rotor or positive screw rod.The rotor in pitch circle with concave tooth, claim
For female rotor or female screw, general male rotor is connected with prime mover, and last on female rotor rotation rotor is driven by male rotor
Axially position is realized to bearing, and bears the axial force in compressor.The cylinder roller bearing of two ends of rotor makes rotor realize footpath
To positioning, and bear the radial load in compressor.At the two ends of compressor block, the hole of definite shape and size is opened up respectively
Mouthful.One for air-breathing, referred to as air inlet;Another supply and discharge gas is used, referred to as exhaust outlet.
Based on the screw air compressor, two-stage type screw air compressor is also proposed in the prior art, and it provides the sky of two-stage
Air pressure contracts, and greatly improves the task performance of single air compressor machine.However, existing two-stage type air compressor machine is using the same two
Pneumatics main frame is operated, but in the prior art under the scene of part, it is not necessarily required to so big pneumatics ability, uses two-stage type
It is excessive, using only one-level, then it can not meet pneumatics demand again.
Utility model content
In order to solve above-mentioned technical problem, the utility model provides a kind of two-stage type screw air compressor, including
Include a driving screw and sub-screw, in addition to motor, institute in first pneumatics main frame and the second pneumatics main frame, each pneumatics main frame
The output shaft for stating motor passes through the driving screw in the first pneumatics main frame described in the first transmission mechanism direct-drive, first transmission
Mechanism drives the second pneumatics main frame by a differential structure driven to second transmission mechanism, second transmission mechanism
In driving screw, the size of cavity is different in two pneumatics main frames, corresponding, driving screw and secondary spiral shell in two pneumatics main frames
The size of bar is also different.
Optionally, first transmission mechanism includes shaft coupling, and the output shaft of the motor is coaxial by the shaft coupling
It is driven the driving screw of the pneumatics main frame.
Optionally, first transmission mechanism also includes the first gear that rotation is driven by the output shaft of the motor, institute
Stating differential structure includes a differential gear, and the differential gear is engaged with the first gear, and then passes through the differential gear
The driving screw being driven in the second pneumatics main frame rotates at different rates.
Optionally, the outer side of the first pneumatics main frame and the second pneumatics main frame is equipped with cooling coil,
The cooling coil is connected to a cooling pond.
Optionally, the outlet pipe of the first pneumatics main frame accesses to the entrance of the first side of First Heat Exchanger and gone out
Mouthful, the outlet line of the first pneumatics main frame accesses to the entrance and exit of the first side of the second heat exchanger, and described second is empty
The outlet pipe of pressure main frame accesses to the entrance and exit of the first side of the 3rd heat exchanger, the flowline of the second pneumatics main frame
Road accesses to the entrance and exit of the first side of the 4th heat exchanger, the First Heat Exchanger, the second heat exchanger, the 3rd heat exchanger with
And the 4th the entrance of the second side of heat exchanger connect cooling pond respectively.
Optionally, the outlet of the second side of the First Heat Exchanger, the second heat exchanger, the 3rd heat exchanger and the 4th heat exchanger
The water inlet of a two-position three-way valve is connected respectively, and the another two port of the two-position three-way valve connects the cooling pond respectively
Recovery port and a thermal storage tank, the two-position three-way valve is controlled by a controller, so that the water after heat exchange is reached into the accumulation of heat water
Pond or cooling pond.
Optionally, the outlet of the second side of the First Heat Exchanger, the second heat exchanger, the 3rd heat exchanger and the 4th heat exchanger
Temperature sensor, control described in the temperature sensor direct or indirect connection are further respectively had between the two-position three-way valve
Device, so that the controller can control the connection of the two-position three-way valve according to the testing result of the temperature sensor
Position, so that the water after heat exchange is reached into the thermal storage tank or cooling pond.
The utility model is on the basis of two pneumatics main frames, by cavity and corresponding driving screw in two pneumatics main frames
Difference is designed and sized to sub-screw, so that the pneumatics ability of two pneumatics main frames is different, meanwhile, this practicality is new
Type also introduces differential structure so that the rotating speed of the input rotary motion of two pneumatics main frames is different, empty to meet different sizes
The demand of main frame is pressed, under matching use, the combination of a variety of pneumatics abilities can be also realized.Greatly meet the need of various change
Ask.
Brief description of the drawings
Fig. 1 is the type of drive schematic diagram of two-stage type screw air compressor in the alternative embodiment of the utility model one；
Fig. 2 is the pipeline schematic diagram of two-stage type screw air compressor in the alternative embodiment of the utility model one；
In figure, 1- motors；2- shaft couplings；3- first gears；4- differential gears；5- driving screws；6- second gears；The main spiral shells of 7-
Bar；
101- First Heat Exchangers；The heat exchangers of 102- second；103- outlet pipes；104- outlet line；The temperature of 105- first
Sensor；The valves of 106- first；The valves of 107- second；108- two-position three-way valves；109- second temperature sensors；110- cooler pans
Pipe；The heat exchangers of 111- the 3rd；The heat exchangers of 112- the 4th；The valves of 113- the 3rd；The valves of 114- the 4th.
Embodiment
The two-stage type screw air compressor that the utility model is provided is described in detail below with reference to Fig. 1 and Fig. 2, its
For the utility model optional embodiment, it is believed that those skilled in the art are not changing the utility model spirit and content
In the range of, it is modified and polished.
Fig. 1 is refer to, the utility model provides a kind of two-stage type screw air compressor, including the first pneumatics main frame and second
Include a driving screw and sub-screw in pneumatics main frame, each pneumatics main frame, in addition to electricity, 1, the output shaft of the motor 1 leads to
The driving screw 5 crossed in the first pneumatics main frame described in the first transmission mechanism direct-drive, first transmission mechanism passes through a differential
Structure driven to second transmission mechanism, second transmission mechanism drives the driving screw 7 in the second pneumatics main frame, two
The size of cavity is different in the individual pneumatics main frame, corresponding, and the size of driving screw and sub-screw is not yet in two pneumatics main frames
Together.
Relevant first transmission mechanism：
First transmission mechanism includes shaft coupling 2, and the output shaft of the motor 1 passes through the shaft coupling coaxial transmission institute
State the driving screw 5 of pneumatics main frame.Revolved furthermore, it is understood that first transmission mechanism also includes being driven by the output shaft of the motor
The first gear 3 turned, the differential structure includes a differential gear 4, and the differential gear 4 is engaged with the first gear 3, entered
And the driving screw being driven by the differential gear 4 in the second pneumatics main frame rotates at different rates.Specifically, pass
The second gear 6 moved in the second pneumatics main frame rotates, second gear 6 and the synchronous rotary of driving screw 7.
In the utility model optional embodiment, outside the shell of the first pneumatics main frame and the second pneumatics main frame
Side is equipped with cooling coil 110, and the cooling coil 110 is connected to a cooling pond.To realize that the cooling to pneumatics main frame dissipates
Heat.
Fig. 2 is refer to, the outlet pipe of the first pneumatics main frame accesses to the entrance of the first side of First Heat Exchanger 101
And outlet, the outlet line of the first pneumatics main frame accesses to the entrance and exit of the first side of the second heat exchanger, described
The outlet pipe of two pneumatics main frames accesses to the entrance and exit of the first side of the 3rd heat exchanger, and the second pneumatics main frame goes out
Oil pipe line accesses to the entrance and exit of the first side of the 4th heat exchanger, the First Heat Exchanger 101, the second heat exchanger, the 3rd
The entrance of second side of heat exchanger and the 4th heat exchanger connects cooling pond respectively.
In the further alternative embodiment of the utility model, the First Heat Exchanger 101, the second heat exchanger the 102, the 3rd are changed
The outlet of second side of the hot heat exchanger 112 of device 111 and the 4th connects the water inlet of a two-position three-way valve, the two-bit triplet respectively
The another two port of valve connects recovery port and a thermal storage tank for the cooling pond respectively, and the two-position three-way valve is by controller
Control, so that the water after heat exchange is reached into the thermal storage tank or cooling pond.The First Heat Exchanger 101, second exchanges heat
Also set respectively between the outlet of second side of device 102, the 3rd heat exchanger 111 and the 4th heat exchanger 112 and the two-position three-way valve
There is temperature sensor（The second temperature sensor 109 illustrated）, control described in the temperature sensor direct or indirect connection
Device, so that the controller can control the connection of the two-position three-way valve according to the testing result of the temperature sensor
Position, so that the water after heat exchange is reached into the thermal storage tank or cooling pond.
It can be seen that, in further alternative, the cooling water after the also further heat exchanging of the utility model has carried out entering one
The application of step, under the introducing of two-position three-way valve 8 and second temperature sensor 9, the water that can be up to temperature requirement is discharged into storage
Boiler, sends the water of not up to temperature requirement back to cooling pond.So as to reach rational recycling.
In summary, the utility model is on the basis of two pneumatics main frames, by cavity in two pneumatics main frames and right
The driving screw answered and sub-screw are designed and sized to difference, so that the pneumatics ability of two pneumatics main frames is different, together
When, the utility model also introduces differential structure so that the rotating speed of the input rotary motion of two pneumatics main frames is different, to meet
The demand of different size pneumatics main frames, under matching use, can also realize the combination of a variety of pneumatics abilities.Greatly meet each
Plant the demand of change.
Claims (7)
1. wrapped in a kind of two-stage type screw air compressor, including the first pneumatics main frame and the second pneumatics main frame, each pneumatics main frame
Include a driving screw and sub-screw, it is characterised in that：Also include motor, the output shaft of the motor is direct by the first transmission mechanism
The driving screw in the first pneumatics main frame is driven, first transmission mechanism passes through a differential structure driven to the second driver
Structure, second transmission mechanism drives the chi of cavity in the driving screw in the second pneumatics main frame, two pneumatics main frames
Very little difference, corresponding, the size of driving screw and sub-screw is also different in two pneumatics main frames.
2. two-stage type screw air compressor as claimed in claim 1, it is characterised in that：First transmission mechanism includes shaft coupling
Device, the driving screw that the output shaft of the motor passes through pneumatics main frame described in the shaft coupling coaxial transmission.
3. two-stage type screw air compressor as claimed in claim 1, it is characterised in that：First transmission mechanism also includes by institute
The first gear of the output shaft driving rotation of motor is stated, the differential structure includes a differential gear, the differential gear and institute
First gear engagement is stated, and then by the driving screw in differential gear transmission the second pneumatics main frame at different rates
Rotation.
4. two-stage type screw air compressor as claimed in claim 1, it is characterised in that：The first pneumatics main frame and described
The outer side of two pneumatics main frames is equipped with cooling coil, and the cooling coil is connected to a cooling pond.
5. two-stage type screw air compressor as claimed in claim 1, it is characterised in that：The outlet pipe of the first pneumatics main frame
The entrance and exit of the first side of First Heat Exchanger is accessed to, the outlet line of the first pneumatics main frame accesses to the second heat exchange
The entrance and exit of first side of device, the outlet pipe of the second pneumatics main frame accesses to entering for the first side of the 3rd heat exchanger
Mouth and outlet, the outlet line of the second pneumatics main frame accesses to the entrance and exit of the first side of the 4th heat exchanger, described
First Heat Exchanger, the second heat exchanger, the entrance of the second side of the 3rd heat exchanger and the 4th heat exchanger connect cooling pond respectively.
6. two-stage type screw air compressor as claimed in claim 5, it is characterised in that：The First Heat Exchanger, the second heat exchanger,
The outlet of second side of the 3rd heat exchanger and the 4th heat exchanger connects the water inlet of a two-position three-way valve, the two-bit triplet respectively
The another two port of valve connects recovery port and a thermal storage tank for the cooling pond respectively, and the two-position three-way valve is controlled
Device is controlled, so that the water after heat exchange is reached into the thermal storage tank or cooling pond.
7. two-stage type screw air compressor as claimed in claim 6, it is characterised in that：The First Heat Exchanger, the second heat exchanger,
Temperature sensor is further respectively had between the outlet of second side of the 3rd heat exchanger and the 4th heat exchanger and the two-position three-way valve,
Controller described in the temperature sensor direct or indirect connection, so that the controller can be according to the TEMP
The testing result of device controls the communicating position of the two-position three-way valve, so that the water after heat exchange is reached into the thermal storage tank or cold
But pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621485009.7U CN206439186U (en) | 2016-12-31 | 2016-12-31 | Two-stage type screw air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621485009.7U CN206439186U (en) | 2016-12-31 | 2016-12-31 | Two-stage type screw air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206439186U true CN206439186U (en) | 2017-08-25 |
Family
ID=59643185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621485009.7U Active CN206439186U (en) | 2016-12-31 | 2016-12-31 | Two-stage type screw air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206439186U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372060A (en) * | 2018-12-13 | 2019-02-22 | 临安派祺空气净化科技有限公司 | A kind of Portable compressed air fresh water generator |
-
2016
- 2016-12-31 CN CN201621485009.7U patent/CN206439186U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372060A (en) * | 2018-12-13 | 2019-02-22 | 临安派祺空气净化科技有限公司 | A kind of Portable compressed air fresh water generator |
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