CN115045833B - Double-screw three-star-wheel compressor - Google Patents
Double-screw three-star-wheel compressor Download PDFInfo
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- CN115045833B CN115045833B CN202210707686.2A CN202210707686A CN115045833B CN 115045833 B CN115045833 B CN 115045833B CN 202210707686 A CN202210707686 A CN 202210707686A CN 115045833 B CN115045833 B CN 115045833B
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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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The application relates to the field of compressors, a twin-screw three-star-wheel compressor is disclosed, including casing, screw rod and star gear, the screw rod rotates and sets up in the casing, has seted up inlet port and exhaust hole on the casing, and the star gear rotates and sets up in the casing, has seted up the helicla flute on the screw rod, is provided with the bracing piece along the star wheel axis direction in the casing, and the star gear of screw rod both sides all is provided with two, is provided with first drive assembly in the casing, is provided with second drive assembly in the bracing piece, is provided with the control by temperature change subassembly in the casing. This application has can be through adopting control by temperature change subassembly, first drive assembly and second drive assembly for a star gear of compressor during operation under the high temperature state for a long time can be through another star gear of first drive assembly and second drive assembly automatic replacement, reaches the improvement and can accelerate self wearing and tearing and lead to the effect that screw compressor's compression efficiency reduces because of the star gear long-time work under the high temperature condition.
Description
Technical Field
The application relates to the field of compressors, in particular to a double-screw three-star-wheel compressor.
Background
Screw compressors are also called screw compressors, and are mainly classified into single screw compressors and twin screw compressors, and the screw compressors have the advantages of high reliability, strong adaptability and the like, so that the screw compressors are widely used in various fields of industrial manufacturing.
At present, the main parts of the screw compressor comprise a screw, star wheels and a shell, and the CP type screw compressor is formed by meshing a cylindrical screw and two plane star wheels which are arranged in a central symmetry mode and is arranged in the shell. The screw spiral groove, the inner wall of the shell and the tooth top of the star wheel sheet form a closed primitive volume. The power during high-speed rotation is transmitted to the spiral groove of the screw rod to drive the star wheel teeth to rotate, and along with the rotation of the star wheel teeth, air enters the air suction cavity from the chamfer end surface of the screw rod and is sealed by the star wheel teeth, and when the air is compressed to the design pressure, the air is discharged from the air outlet formed in the inner wall of the machine shell.
In view of the above related art, the star wheel in the screw compressor is driven to rotate by the screw, so there is a friction loss between the star wheel and the screw, when the screw rotates at high speed, a large amount of heat is generated between the screw and the star wheel due to friction, and the abrasion of the star wheel is accelerated by the friction between the star wheel and the screw at high temperature for a long time, so that the compression efficiency of the screw compressor is reduced.
Disclosure of Invention
In order to solve the problem that the compression efficiency of the screw compressor is reduced because the star wheel works for a long time at high temperature and can accelerate self abrasion, the application provides a double-screw three-star-wheel compressor.
The application provides a double-screw three-star-wheel compressor adopts following technical scheme:
the utility model provides a three star gear compressors of twin-screw, includes casing, screw rod and star gear, and the screw rod rotates and sets up in the casing, is provided with outside the casing and is used for driving the screw rod and carry out pivoted second actuating component, and the casing is located the both ends of screw rod and is located inlet port and exhaust hole respectively, and the star gear rotates along perpendicular screw direction and sets up in the casing, has seted up the helicla flute on the screw rod, and the teeth of a cogwheel meshing of star gear is in the helicla flute, be provided with the bracing piece along the star gear axis direction in the casing, the star gear of screw rod both sides all is provided with two, and two the star gear all rotates and installs on the bracing piece and set up at the interval, be provided with in the casing and be used for driving the bracing piece and follow the first actuating component that the screw rod axis direction moved jointly to be provided with in the bracing piece and be used for gathering star gear temperature and control the temperature control assembly of first actuating component and second actuating component.
Through adopting above-mentioned technical scheme, when the compressor carries out work, the second driving piece drive screw rod rotates, and the screw rod drives the star gear through self helicla flute and rotates, and in the star gear rotated in-process air from the inlet port entering helicla flute, the star gear compresses the air at rotation in-process, and the air after the compression is discharged from the exhaust hole and is compressed. The temperature control assembly collects the temperature of star wheels, when the temperature control assembly detects that the star wheels are in a high-temperature state for a long time and work, the temperature control assembly controls the second driving piece to stop running, the temperature control assembly controls the first driving assembly to run, the first driving assembly drives the supporting rod to move in the direction away from the screw rod, the supporting rod moves to drive the star wheels to be separated from the meshing state of the screw rod, the temperature control assembly controls the second driving assembly to run, the second driving assembly drives the two star wheels to lift on the supporting rod, the other non-working star wheel moves to the position flush with the screw rod, at the moment, the first driving assembly drives the supporting rod to move in the direction close to the screw rod, and the supporting rod drives the other star wheel to be meshed in a spiral groove of the screw rod. So set up, through adopting control by temperature change subassembly, first drive assembly and second drive assembly for a star gear of compressor is long-time during operation under the high temperature state, can change another star gear automatically, thereby has reduced the star gear and has led to the condition that self degree of wear accelerates because of working under the high temperature state for a long time, makes the compression efficiency of compressor more stable.
Preferably, the temperature control assembly comprises a temperature acquisition module and a control module, wherein the temperature acquisition module is arranged in the shell and acquires the temperature of the star wheel, the control module is arranged outside the shell and is electrically connected with the temperature acquisition module, and the control module is further electrically connected with the second driving piece, the first driving assembly and the second driving assembly.
Through adopting above-mentioned technical scheme, in temperature acquisition module transmitted the temperature signal of star gear to control module, control module analyzed temperature signal, and when temperature signal was greater than the temperature threshold value in the control module and reached certain time, control module controlled second driving piece, first drive assembly and second drive assembly. So set up, through adopting temperature acquisition module and control module for two star gears on the bracing piece can be changed automatically.
Preferably, the screw rod rotates and installs two, two the screw rod is parallel to each other, the casing is located the department rotation between two screw rods and installs the transmission star gear, first drive assembly, second drive assembly, bracing piece, star gear, temperature acquisition module, inlet port and exhaust hole all are provided with two sets of, and two sets of first drive assembly, second drive assembly, bracing piece, star gear, temperature acquisition module, inlet port and exhaust hole symmetry set up in the one side that two screw rods kept away from each other.
Through adopting above-mentioned technical scheme, when the compressor carries out work, the second driving piece drives a screw rod and rotates, and this screw rod drives another screw rod through transmission star gear and rotates, and two screw rods operate simultaneously for compressor compressed air efficiency is higher.
Preferably, the first driving assembly comprises two first driving parts, the two first driving parts are respectively and fixedly arranged on the inner side walls of the two ends of the supporting rod in the machine shell and are electrically connected with the control module, and the driving ends of the two first driving parts are respectively and fixedly connected with the two ends of the supporting rod and drive the supporting rod to move along the directions close to and far away from the screw rod.
Through adopting above-mentioned technical scheme, when first drive assembly operates, the both ends of two first driving piece drive bracing piece of control module control move to make the bracing piece remove more stable.
Preferably, the second driving assembly comprises a lifting part and a connecting rod, the fixed end of the lifting part is fixedly arranged at the end part position in the supporting rod, the lifting part is electrically connected with the control module, the connecting rod is fixedly arranged at the lifting end of the lifting part, the supporting rod is provided with a bearing in a sliding manner along the axis direction of the supporting rod, the star wheel is fixedly arranged on the bearing, the supporting rod is provided with a sliding bar hole along the axis direction of the supporting rod, and the connecting rod penetrates through the sliding bar hole and is fixedly connected with the bearing.
Through adopting above-mentioned technical scheme, when the second drive assembly operates, control module control lifting element drives the connecting rod and removes in the slide bar hole of bracing piece, and the connecting rod drives two bearings and slides on the bracing piece, and the bearing drives the star gear and removes to make two star gears can change.
Preferably, a moving track is arranged on the inner side wall of the casing, a moving block is arranged at the end part of the supporting rod, and the moving block is arranged in the moving track in a sliding manner along the moving direction of the supporting rod.
Through adopting above-mentioned technical scheme, the bracing piece drives the movable block and removes when removing, and the movable block removes in the removal track, carries out spacingly to the movable block through the removal track to spacing to the bracing piece, make the bracing piece more stable at the removal in-process.
Preferably, the star wheel comprises a wheel disc, a first wheel piece and a second wheel piece, wherein the wheel disc is fixedly arranged on the outer side wall of the bearing, the first wheel piece is fixedly arranged on the wheel disc, the second wheel piece is rotatably arranged on the first wheel piece, the first wheel piece and the second wheel piece are all abutted to the side wall of the screw spiral groove, and an adjusting assembly for rotatably adjusting the second wheel piece is arranged on the wheel disc.
Through adopting above-mentioned technical scheme, after the long-time use of compressor, first round piece and the second round piece on the rim plate can take place partial wear, can have the clearance to lead to the compression efficiency of compressor to reduce between the lateral wall of first round piece and second round piece and screw rod helicla flute, use adjusting part to rotate the regulation to the second round piece this moment, the second round piece rotates the back butt on the lateral wall of screw rod helicla flute to make the lateral wall butt of star gear and screw rod helicla flute inseparabler, make the compression efficiency of compressor more stable.
Preferably, the adjusting component comprises a fixed column, a movable column and an adjusting bolt, wherein the second wheel piece is provided with a movable strip hole along the rotation direction of the second wheel piece, the fixed column is fixedly arranged on the wheel disc and penetrates through the movable strip hole of the first wheel piece and the second wheel piece, the movable column is fixedly arranged on the side wall of the second wheel piece far away from the first wheel piece, and the adjusting bolt is arranged in the fixed column and the movable column in a threaded manner.
Through adopting above-mentioned technical scheme, when rotating the regulation to the second wheel piece, rotate adjusting bolt, adjusting bolt rotates in fixed column and movable column, and adjusting bolt rotates and drives movable column and remove towards the fixed column direction, and movable column removes and drives the second wheel piece and rotate, and the second wheel piece rotates on the fixed column through removing the strip hole to rotate the regulation to the second wheel piece fast.
Preferably, the second wheel plate is provided with a plurality of fixing bolts, the second wheel plate is provided with a plurality of moving holes, and a plurality of fixing bolts penetrate through the moving holes and the first wheel plate one by one and are fixed in the wheel disc.
Through adopting above-mentioned technical scheme, a plurality of fixing bolt are firmly fixed first round piece and second round piece on the rim plate, when rotating the regulation to the second round piece, release fixing bolt's fixed state, and the second round piece rotates the regulation on a plurality of fixing bolt through a plurality of removal holes, and the second round piece rotates the regulation back, and a plurality of second fixing bolt are firmly fixed the second round piece on first round piece to make the second round piece more stable after rotating the regulation.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the temperature control assembly is used for collecting the temperature of the star wheels and controlling the first driving assembly and the second driving assembly, so that when one star wheel of the compressor works in a high-temperature state for a long time, the other star wheel can be automatically replaced through the first driving assembly and the second driving assembly, the situation that the abrasion degree of the star wheel is accelerated due to the fact that the star wheel works in the high-temperature state for a long time is reduced, and the compression efficiency of the compressor is more stable;
2. by adopting the two screws, the two screws rotate simultaneously, so that the air compression efficiency of the compressor is higher;
3. through adopting adjusting part, use adjusting part to rotate the regulation to the second wheel piece, the second wheel piece rotates the back butt on the lateral wall of screw rod helicla flute to make the lateral wall butt of star wheel and screw rod helicla flute inseparabler, make the compression efficiency of compressor more stable.
Drawings
FIG. 1 is a schematic view of the overall structure of a twin-screw tri-star compressor of the present application;
FIG. 2 is a cross-sectional view of the twin screw tri-star compressor of the present application;
FIG. 3 is a cross-sectional view of the twin screw triple star wheel compressor of the present application showing the twin screw connection in a prominent manner;
FIG. 4 is a schematic view of a portion of the twin screw tri-star compressor of the present application showing a first drive assembly in a highlighted configuration;
FIG. 5 is a partial cross-sectional view of the twin screw tri-star wheel compressor of the present application showing the second drive assembly in a protruding manner;
FIG. 6 is a schematic view of a portion of a twin screw tri-star compressor of the present application showing the adjustment assembly in a protruded configuration;
fig. 7 is an exploded view of a part of the structure of the twin-screw three-star-wheel compressor of the present application, which is a protruding display star wheel.
Reference numerals illustrate: 1. a housing; 2. a screw; 3. star wheels; 31. a wheel disc; 32. a first wheel sheet; 33. a second wheel piece; 4. a second driving member; 5. an air inlet hole; 6. an exhaust hole; 7. a spiral groove; 8. a support rod; 9. a first drive assembly; 91. a first driving member; 10. a second drive assembly; 101. a lifting member; 102. a connecting rod; 11. a temperature control assembly; 111. a temperature acquisition module; 112. a control module; 12. a transmission star wheel; 13. a bearing; 14. a sliding bar hole; 15. a moving track; 16. a moving block; 17. an adjustment assembly; 171. fixing the column; 172. a moving column; 173. an adjusting bolt; 18. moving the bar hole; 19. a fixing bolt; 20. the hole is moved.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-7.
The embodiment of the application discloses a double-screw three-star-wheel compressor.
Referring to fig. 1 and 3, a twin-screw triple star wheel compressor includes a casing 1, two screws 2 are rotatably installed in an inner cavity of the casing 1, the two screws 2 are arranged in mirror symmetry along a horizontal direction by taking a central line of the casing 1 as an axis, directions of the two screws 2 are opposite, six spiral grooves 7 are formed in the screws 2, a second driving member 4 is fixedly installed outside the casing 1, and a driving shaft of the second driving member 4 is fixedly connected with one screw 2, wherein the second driving member 4 is optionally used as a servo motor. A transmission star wheel 12 is rotatably arranged in the machine shell 1 and positioned between the two screws 2, the transmission star wheel 12 is provided with eleven gear teeth, and the gear teeth on two opposite sides of the transmission star wheel 12 are respectively meshed with the spiral grooves 7 of the two screws 2. The star wheel 3 is rotatably arranged on one side, away from each other, of the two screws 2 in the casing 1 along the rotation direction of the vertical screws 2, the star wheel 3 has eleven gear teeth, and the two star wheels 3 are respectively meshed with the spiral grooves 7 of the two screws 2. The second driving member 4 drives one screw rod 2 to rotate, the screw rod 2 rotates to drive the transmission star wheel 12 to rotate, and the transmission star wheel 12 rotates to drive the other screw rod 2 to rotate.
The inner wall laminating of casing 1 is on the lateral wall of screw rod 2, and the laminating of casing 1 inside wall is on star wheel 3 for the helicla flute 7 of screw rod 2, casing 1 inner wall and star wheel 3 teeth of a cogwheel top surface constitute confined primitive volume. The two ends of the casing 1 in the axial direction of each screw rod 2 are respectively provided with an air inlet hole 5 and an air outlet hole 6 which are communicated with the spiral groove 7. When the second driving piece 4 drives the two screws 2 to rotate, the two screws 2 drive the two star wheels 3 to rotate through the spiral grooves 7 respectively, air enters the spiral grooves 7 from the air inlet holes 5 in the rotation process of the star wheels 3, the star wheels 3 compress the air in the rotation process, the compressed air is discharged out of the compressor from the air outlet holes 6, and the two screws 2 operate simultaneously, so that the compressed air efficiency of the compressor is higher.
Referring to fig. 4 and 5, the star wheels 3 on both sides of the two screws 2 are rotatably mounted in the axial direction of the two star wheels, hollow support rods 8 are mounted in the inner cavity of the casing 1 in the axial direction of the star wheels 3, and the two star wheels 3 are arranged at intervals and rotatably mounted on the support rods 8. The support rod 8 is arranged in the casing 1 in a sliding manner along the direction perpendicular to the support rod and the direction of the screw rod 2, a first driving component 9 is arranged in the inner cavity of the casing 1, and the first driving component 9 drives the support rod 8 to move. The two star wheels 3 are slidably arranged on the support rod 8 along the axial direction of the support rod 8, a second driving assembly 10 is arranged in a cavity of the support rod 8, and the second driving assembly 10 drives the two star wheels 3 to move along the axial direction of the support rod 8.
Referring to fig. 2 and 5, a temperature control assembly 11 is mounted on the casing 1, and the temperature control assembly 11 collects the temperature of the star wheel 3 during operation and controls the second driving member 4, the first driving assembly 9 and the second driving assembly 10. When the temperature control assembly 11 collects the temperature of the star wheels 3 in working, and the temperature control assembly 11 detects that the star wheels 3 are in a high-temperature state for a long time to work, the temperature control assembly 11 controls the second driving piece 4 to stop operating and controls the first driving assembly 9 to drive the supporting rods 8 to move towards the direction away from the screw rods 2, the supporting rods 8 move to drive the star wheels 3 to be separated from the meshing state with the screw rods 2, the temperature control assembly 11 controls the second driving assembly 10 to drive the two star wheels 3 to lift on the supporting rods 8, so that the other star wheel 3 which does not work moves to the position flush with the screw rods 2, at the moment, the first driving assembly 9 drives the supporting rods 8 to move towards the direction close to the screw rods 2, and the supporting rods 8 drive the other star wheels 3 to be meshed in the spiral grooves 7 of the screw rods 2. So make a star gear 3 of compressor work under the high temperature state for a long time, can change another star gear 3 automatically to reduce the star gear 3 and because of the circumstances that work under the high temperature state for a long time leads to self degree of wear to accelerate, make the compression efficiency of compressor more stable.
Referring to fig. 2, the temperature control assembly 11 includes a temperature acquisition module 111 and a control module 112, the control module 112 is fixedly mounted on the outer side wall of the casing 1, two temperature acquisition modules 111 are mounted on the outer side wall of the casing 1, the two temperature acquisition modules 111 are respectively fixedly mounted on the inner wall of the casing 1 and are close to star wheels 3 on two opposite sides of two screws 2, the two temperature acquisition modules 111 are electrically connected with the control module 112, and the control module 112 is electrically connected with the second driving piece 4, the first driving assembly 9 and the second driving assembly 10 respectively and controls the opening and closing of the second driving piece 4, the first driving assembly 9 and the second driving assembly 10. In the present application, the temperature acquisition module 111 may be a temperature sensor, the control module 112 may be a PLC controller, and a temperature threshold is preset in the control module 112, where the size of the temperature threshold is determined by the high temperature resistance of the star wheel 3 material. The temperature acquisition module 111 transmits the temperature signal of the star wheel 3 to the control module 112, the control module 112 analyzes the temperature signal, and when the temperature signal is greater than the temperature threshold value in the control module 112 and reaches a certain time, the control module 112 controls the second driving member 4, the first driving assembly 9 and the second driving assembly 10, so that the star wheel 3 in the air pressure valve is automatically replaced.
Referring to fig. 4, the first driving assembly 9 includes two first driving members 91, in this application, the first driving members 91 may be alternatively hydraulic cylinders, and the first driving members 91 are electrically connected to the control module 112. Two first driving pieces 91 are respectively fixedly installed on the inner side walls of the two ends of the supporting rod 8 in the casing 1, the moving blocks 16 are fixedly installed at the two ends of the supporting rod 8, the moving blocks 16 are fixedly connected with the driving ends of the first driving pieces 91, the moving rails 15 are fixedly installed on the side walls of the two ends of the casing 1, which are close to the supporting rod 8, and the moving blocks 16 are slidably installed in the moving rails 15 along the sliding direction of the supporting rod 8 in an adaptive manner. The control module 112 controls the two first driving pieces 91 to operate simultaneously, the first driving pieces 91 drive the supporting rods 8 to move through the moving blocks 16, so that the two star wheels 3 are driven to move, and the moving blocks 16 move in the moving track 15, so that the star wheels 3 move more stably.
Referring to fig. 5, the second driving assembly 10 includes a lifting member 101 and a connecting rod 102, the lifting member 101 is electrically connected with the control module 112 and is located in the supporting rod 8, a fixed end of the lifting member 101 is fixedly connected with the moving block 16, and the connecting rod 102 is fixedly installed at a lifting end of the lifting member 101, where the lifting member 101 may be a hydraulic telescopic rod. The star wheel 3 is internally and fixedly provided with a bearing 13, the bearing 13 is slidably sleeved on the supporting rod 8, the star wheel 3 is rotatably installed on the supporting rod 8 through the bearing 13, sliding strip holes 14 are formed in the two opposite side walls of the supporting rod 8 along the length direction of the supporting rod, the connecting rod 102 is I-shaped, and the upper end and the lower end of the connecting rod 102 penetrate through the sliding strip holes 14 and are fixedly connected with the two bearings 13 respectively. The control module 112 controls the lifting member 101 to operate, the lifting end of the lifting member 101 drives the connecting rod 102 to lift, and the connecting rod 102 drives the two bearings 13 to lift, so that the two star wheels 3 are driven to lift together.
Referring to fig. 6 and 7, the star wheel 3 includes a wheel disc 31, a first wheel piece 32 and a second wheel piece 33, the wheel disc 31 is fixedly connected with the bearing 13, the first wheel piece 32 is sleeved on the bearing 13 and attached to the wheel disc 31, the second wheel piece 33 is rotatably sleeved on the bearing 13 and overlapped on the side wall of the first wheel piece 32 far away from the bearing 13, and the gear teeth of the first wheel piece 32 and the second wheel piece 33 are both abutted on the side wall of the spiral groove 7 of the screw 2. The second wheel 33 is provided with an adjusting assembly 17 for rotationally adjusting the second wheel 33. The screw rod 2 drives the star wheel 3 to rotate through the gear tooth effect of the spiral groove 7 and the first wheel piece 32 and the second wheel piece 33, after long-time work, abrasion can appear on the side wall of the first wheel piece 32 and the second wheel piece 33, a gap appears between the gear tooth of the star wheel 3 and the spiral groove 7, at this time, the second wheel piece 33 is rotationally adjusted by using the adjusting component 17, the adjusted second wheel piece 33 is abutted on the side wall of the spiral groove 7 of the screw rod 2 and covers the gap, and the gear tooth of the star wheel 3 is abutted with the side wall of the spiral groove 7 of the screw rod 2 more tightly, so that the compression efficiency of the compressor is more stable.
The adjusting component 17 comprises a fixed column 171, a movable column 172 and an adjusting bolt 173, wherein the movable column 172 is fixedly arranged on the side wall of the second wheel piece 33 far away from the first wheel piece 32, the second wheel piece 33 is provided with a movable strip hole 18 along the rotation direction of the second wheel piece 33, the fixed column 171 is fixedly arranged on the side wall of the wheel disc 31 near the first wheel piece 32, the fixed column 171 penetrates through the first wheel piece 32 and the movable strip hole 18, and the adjusting bolt 173 is arranged at the end parts of the fixed column 171 and the movable column 172 far away from the wheel disc 31 in a threaded manner. Three moving holes 20 are formed in the second wheel piece 33 along the self rotating direction, fixing bolts 19 are arranged in the second screw piece located in the three moving holes 20, and the fixing bolts 19 penetrate through the first wheel piece 32 and are fixed on the wheel disc 31 in a threaded mode. When the second wheel piece 33 is required to be rotationally adjusted, the fixing bolt 19 is rotated to release the fixing state of the second wheel piece 33, then the adjusting bolt 173 is rotated, the adjusting bolt 173 is rotated to drive the moving column 172 to move towards the fixing column 171, the moving column 172 is moved to drive the second wheel piece 33 to rotate, and the moving strip hole 18 and the moving hole 20 provide a rotating space for the second wheel piece 33, so that the second wheel piece 33 is not easy to interfere with the fixing bolt 19 and the fixing column 171.
The implementation principle of the embodiment of the application is as follows: when the temperature acquisition module 111 transmits the temperature signal of the star wheel 3 to the control module 112, and the temperature signal is greater than the temperature threshold value in the control module 112 and reaches a certain time, the control module 112 controls the second driving piece 4 to stop operating and controls the two first driving pieces 91 to operate, the first driving pieces 91 drive the supporting rod 8 to move towards the direction far away from the screw rod 2 through the moving block 16, so that the star wheel 3 and the screw rod 2 are in a disengaged state, the control module 112 controls the lifting piece 101 to drive the connecting rod 102 to lift, the connecting rod 102 drives the two star wheels 3 to lift through the bearing 13, the other non-working star wheel 3 moves to the position flush with the screw rod 2, at the moment, the first driving pieces 91 drive the supporting rod 8 to move towards the direction close to the screw rod 2, and the supporting rod 8 drives the star wheel 3 to be engaged in the spiral groove 7 of the screw rod 2. So make a star gear 3 of compressor work under the high temperature state for a long time, can change another star gear 3 automatically to reduce the star gear 3 and because of the circumstances that work under the high temperature state for a long time leads to self degree of wear to accelerate, make the compression efficiency of compressor more stable.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (6)
1. The utility model provides a three star wheel compressors of twin-screw, including casing (1), screw rod (2) and star gear (3), screw rod (2) rotate and set up in casing (1), casing (1) are provided with outward and are used for driving screw rod (2) and carry out pivoted second driving piece (4), casing (1) are located respectively inlet port (5) and exhaust hole (6) at the both ends of screw rod (2), star gear (3) rotate along perpendicular screw rod (2) direction and set up in casing (1), spiral groove (7) have been seted up on screw rod (2), and the tooth engagement of star gear (3) is in spiral groove (7), its characterized in that: the novel solar energy power generation device is characterized in that support rods (8) are arranged in the casing (1) along the axis direction of the star wheels (3), the star wheels (3) on two sides of the screw (2) are respectively provided with two, the two star wheels (3) are respectively rotatably arranged on the support rods (8) and are arranged at intervals, a first driving assembly (9) for driving the support rods (8) to move along the directions close to and far away from the screw (2) is arranged in the casing (1), a second driving assembly (10) for driving the two star wheels (3) to move along the axis direction of the support rods (8) together is arranged in the support rods (8), and a temperature control assembly (11) for collecting the temperature of the star wheels (3) and controlling the second driving member (4), the first driving assembly (9) and the second driving assembly (10) is arranged in the casing (1);
the temperature control assembly (11) comprises a temperature acquisition module (111) and a control module (112), the temperature acquisition module (111) is arranged in the machine shell (1) and acquires the temperature of the star wheel (3), the control module (112) is arranged outside the machine shell (1) and is electrically connected with the temperature acquisition module (111), and the control module (112) is also electrically connected with the second driving piece (4), the first driving assembly (9) and the second driving assembly (10);
the two screws (2) are rotatably arranged, the two screws (2) are parallel to each other, a transmission star wheel (12) is rotatably arranged at the position, between the two screws (2), of the machine shell (1), the first driving assembly (9), the second driving assembly (10), the support rod (8), the star wheel (3), the temperature acquisition module (111), the air inlet hole (5) and the air outlet hole (6) are respectively provided with two groups, and the two groups of the first driving assembly (9), the second driving assembly (10), the support rod (8), the star wheel (3), the temperature acquisition module (111), the air inlet hole (5) and the air outlet hole (6) are symmetrically arranged at one side, away from each other, of the two screws (2);
the first driving assembly (9) comprises two first driving pieces (91), the two first driving pieces (91) are respectively and fixedly arranged on the inner side walls of the two ends of the supporting rod (8) in the machine shell (1) and are electrically connected with the control module (112), and the driving ends of the two first driving pieces (91) are respectively and fixedly connected with the two ends of the supporting rod (8) and drive the supporting rod (8) to move along the direction close to and far away from the screw rod (2).
2. The twin screw tri-star compressor of claim 1 wherein: the second driving assembly (10) comprises a lifting part (101) and a connecting rod (102), the fixed end of the lifting part (101) is fixedly arranged at the end position in the supporting rod (8), the lifting part (101) is electrically connected with the control module (112), the connecting rod (102) is fixedly arranged at the lifting end of the lifting part (101), the supporting rod (8) is provided with a bearing (13) in a sliding manner along the axis direction of the supporting rod (8), the star wheel (3) is fixedly arranged on the bearing (13), the supporting rod (8) is provided with a sliding bar hole (14) along the axis direction of the supporting rod, and the connecting rod (102) penetrates through the sliding bar hole (14) and is fixedly connected with the bearing (13).
3. The twin screw tri-star compressor of claim 1 wherein: the movable rail (15) is arranged on the inner side wall of the casing (1), the movable block (16) is arranged at the end part of the supporting rod (8), and the movable block (16) is arranged in the movable rail (15) in a sliding manner along the moving direction of the supporting rod (8).
4. The twin screw tri-star compressor of claim 1 wherein: the star wheel (3) comprises a wheel disc (31), a first wheel piece (32) and a second wheel piece (33), wherein the wheel disc (31) is fixedly arranged on the outer side wall of a bearing (13), the first wheel piece (32) is fixedly arranged on the wheel disc (31), the second wheel piece (33) is rotatably arranged on the first wheel piece (32), the first wheel piece (32) and the second wheel piece (33) are both abutted to the side wall of a spiral groove (7) of a screw (2), and an adjusting component (17) for rotatably adjusting the second wheel piece (33) is arranged on the wheel disc (31).
5. The twin screw tri-star compressor of claim 4 wherein: the adjusting component (17) comprises a fixed column (171), a movable column (172) and an adjusting bolt (173), wherein a movable strip hole (18) is formed in the second wheel piece (33) along the rotation direction of the second wheel piece, the fixed column (171) is fixedly arranged on the wheel disc (31) and penetrates through the movable strip hole (18) of the first wheel piece (32) and the second wheel piece (33), the movable column (172) is fixedly arranged on the side wall, far away from the first wheel piece (32), of the second wheel piece (33), and the adjusting bolt (173) is arranged in the fixed column (171) and the movable column (172) in a threaded mode.
6. The twin screw tri-star compressor of claim 5 wherein: the second wheel piece (33) is provided with a plurality of fixing bolts (19), the second wheel piece (33) is provided with a plurality of moving holes (20), and a plurality of fixing bolts (19) penetrate through the moving holes (20) and the first wheel piece (32) one by one and are fixed in the wheel disc (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210707686.2A CN115045833B (en) | 2022-06-22 | 2022-06-22 | Double-screw three-star-wheel compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210707686.2A CN115045833B (en) | 2022-06-22 | 2022-06-22 | Double-screw three-star-wheel compressor |
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| Publication Number | Publication Date |
|---|---|
| CN115045833A CN115045833A (en) | 2022-09-13 |
| CN115045833B true CN115045833B (en) | 2023-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210707686.2A Active CN115045833B (en) | 2022-06-22 | 2022-06-22 | Double-screw three-star-wheel compressor |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8708677B2 (en) * | 2008-01-23 | 2014-04-29 | Daikin Industries, Ltd. | Screw compressor having injection having injection mechanism that injects oil or refrigerant toward a starting end of an extending direction of a helical groove of the female rotor or the male rotor |
| CN202301038U (en) * | 2011-08-20 | 2012-07-04 | 赖建福 | Star wheel and star wheel sheet thereof |
| CN202673683U (en) * | 2012-07-31 | 2013-01-16 | 广东正力精密机械有限公司 | Single screw steam compressor |
| CN112943608A (en) * | 2021-04-17 | 2021-06-11 | 阜新金昊空压机有限公司 | Multistage large-traffic compressor |
| CN214577710U (en) * | 2021-05-13 | 2021-11-02 | 安徽晋煤中能化工股份有限公司 | Chemical industry single screw compressor |
| CN215980688U (en) * | 2021-11-08 | 2022-03-08 | 天津市信通机械设备制造有限公司 | Large-scale gear ring transmission mechanism applied to rotary machine |
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