CN106837798A - A kind of split compound spider and its preparation technology for single screw compressor - Google Patents
A kind of split compound spider and its preparation technology for single screw compressor Download PDFInfo
- Publication number
- CN106837798A CN106837798A CN201710166687.XA CN201710166687A CN106837798A CN 106837798 A CN106837798 A CN 106837798A CN 201710166687 A CN201710166687 A CN 201710166687A CN 106837798 A CN106837798 A CN 106837798A
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- Prior art keywords
- spider
- wheel frame
- star wheel
- star
- piece
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Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/04—Heavy metals
- F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
- F05C2201/0448—Steel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
- F05C2225/12—Polyetheretherketones, e.g. PEEK
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The present invention relates to a kind of split compound spider for single screw compressor, including integrally formed star wheel frame and the multiple spider pieces being connected on star wheel frame, star wheel frame is in horizontal annular shape, it is in dentation in the outward flange of annulus, equal one spider piece of clamping on each tooth, two adjacent spider pieces mutually agree near the one end in the star wheel frame center of circle, a pin-and-hole for being directed at star wheel frame and spider piece position is equipped with each tooth of star wheel frame and on each spider piece, after installation, shop bolt is also cross the pin-and-hole on star wheel frame and spider piece.Compared with prior art, the present invention breaks the whole up into parts existing star-wheel, and spider piece is fixed on star wheel frame by dovetail groove and pin, them are made to become a rigid body, it is effective to solve the problems, such as that star-wheel, because of size and material property itself buckling deformation, lays the foundation to improve single screw compressor unit performance；Meanwhile, the present invention is cost-effective, is that plant produced reduction investment is contributed.
Description
Technical field
The present invention relates to field of fluid machinery, and in particular to a kind of split compound spider for single screw compressor and its
Preparation technology.
Background technology
Single screw compressor is a kind of widely used fluid machinery, for compressed gas, so as to improving gas pressure.It
It is mainly used in the gas synthesis of chemical industry；Catalytic cracking, desulfurization-hydrogenation control in petroleum refining；The drilling well of oil recovery industry,
Oilfield gas injection；Oven gas hydrogen point in steel and iron industry；Air-conditioning, freezing, refrigeration in refrigeration industry；Gas conveying, separation etc., and
It is largely used to air force field, such as wind-powered machine, instrument control, vehicle braking, spraying, spraying and military weapon system.Its
Structure is as shown in figure 1, the Meshing Pair of high-accuracy engagement of the single screw compressor including being made up of screw rod 5 and star-wheel 6, its engagement journey
Degree directly affects the efficiency of single screw compressor.Influenceing this factor to the Meshing Pair accuracy of mesh includes it being screw rod and star-wheel
The positional precision of machining accuracy, also star-wheel relative to screw rod.Because 1. screw rod is that metalwork its machining accuracy is easy to ensure；②
Star-wheel ensures that the machining accuracy of screw rod and star-wheel is also guarantee dress relative to the position of screw rod when unit is assembled and adjusted
One of factor with precision；3. the material of star-wheel is usually the PEEK plates (or flaky material) of 6~10mm, and PEEK belongs to high score
Sub- plastic material, especially large-scale single screw compressor, star-wheel easily buckling deformation cause its extremely difficult guarantee of machining accuracy.
Therefore solve star-wheel machining deformation and improve the machining accuracy of star-wheel into the key factor of influence single screw compressor performance.
The content of the invention
It is high that the purpose of the present invention provides a kind of machining accuracy for the defect for overcoming above-mentioned prior art to exist
For the split compound spider and its preparation technology of single screw compressor.
The purpose of the present invention can be achieved through the following technical solutions：A kind of split for single screw compressor is combined
Star-wheel, the split compound spider includes integrally formed star wheel frame and the multiple spider pieces being connected on star wheel frame, described
Star wheel frame be in horizontal annular shape, the outward flange of annulus be in dentation, equal one spider piece of clamping on each tooth, two adjacent
Spider piece mutually agrees near the one end in the star wheel frame center of circle, is equipped with each tooth of the star wheel frame and on each spider piece
One is used to be directed at the pin-and-hole of star wheel frame and spider piece position, after installation, shop bolt also cross positioned at star wheel frame and
Pin-and-hole on spider piece.
Split compound spider of the invention by star wheel frame and multiple spider piece assemblings or fractionation, and can be dismounted very square
Just, especially when certain spider piece is damaged, existing star-wheel all changes whole spider piece, and split of the invention is multiple
As long as closing star-wheel changes one of spider piece, cost-effective, efficiency is improved.In addition, by setting pin-and-hole, it is ensured that star
The position of wheel carrier and spider piece is correct, does not interfere with the accuracy of whole star-wheel.
Dovetail groove is provided with the middle part of described star wheel frame each tooth surface, the dovetail groove sets along star wheel frame radial direction
Put.
The center of the dovetail trench bottom is provided with strip projection, and strip projection sets along star wheel frame radial direction
Put.Strip projection is set, can cause that the cooperation of star wheel frame and spider piece is more stablized, assembling is also more convenient.
The bottom of each spider piece is provided with the projection matched with dovetail groove, is provided with the middle part of each projection and strip
The strip connected in star that shape projection matches.
Two sides of star wheel frame each tooth are in hypotenuse on star wheel frame thickness direction, and the gradient of a side is more than
Another side；Two sides of each spider piece are in the thickness direction thereof hypotenuse, and the gradient of a side is big
In another side；The larger side of the gradient side larger with gradient on star wheel frame tooth be not in the same side on spider piece.
The material of the star wheel frame is steel, and the material of spider piece is peek resins.PEEK resins (polyether-ether-ketone) are a kind of
The special engineering plastics of excellent performance, with more significant advantages compared with other special engineering plastics, 260 DEG C of resistance to positive high temperature,
Mechanical performance is excellent, self lubricity is good, fire-retardant chemicals-resistant burn into, peel resistance, wearability, intolerant to strong nitric acid, the concentrated sulfuric acid,
Radioresistance, superpower mechanical performance can be used for the science and technology such as high-end machinery, nuclear engineering and aviation.Using steel and peek resin groups
Into star-wheel, mechanical performance is higher, is unlikely to deform.
A kind of a kind of preparation method of split compound spider for single screw compressor as described above, including it is following several
Individual step：
(1) according to the size of single screw compressor, the size and the number of teeth of star wheel frame are selected, by integral molded plastic or molding
Mode prepares star wheel frame and matching spider piece；
(2) bottom of spider piece is plugged on star wheel frame upper surface, until the pin-and-hole on spider piece and star wheel frame overlaps, and
By raised being mutually matched with dovetail groove, in the tooth by spider piece along the radial direction push-in star wheel frame of star wheel frame, until
Both pin-and-holes overlap；
(3) shop bolt is plugged in the pin-and-hole on spider piece and star wheel frame, realizes the fixation of spider piece and star wheel frame；
(4) multiple spider pieces are fixed on star wheel frame successively, obtain final product the split compound spider.
Compared with prior art, beneficial effects of the present invention are embodied in following several respects：
(1) present invention breaks the whole up into parts existing star-wheel, and spider piece is fixed on star wheel frame by dovetail groove and pin,
Them is become a rigid body, star-wheel is effectively solved the problems, such as because of size and material property itself buckling deformation, to carry
Single screw compressor unit performance high lays the foundation；
(2) small dimension star-wheel favourable turn processing large scale star-wheel is solved the problems, such as, convenient disassembly is cost-effective, is factory's life
Reduction investment is produced to contribute.
Brief description of the drawings
Fig. 1 is the connection diagram of existing single screw compressor；
Fig. 2 is the structural representation of split compound spider of the present invention；
Fig. 3 is the cross-sectional view of D-D in Fig. 2；
Fig. 4 is the cross-sectional view of E-E in Fig. 2.
Wherein, 1 is star wheel frame, and 11 is dovetail groove, and 12 is raised strip, and 2 is spider piece, and 21 is projection, and 22 is strip
Connected in star, 3 is pin-and-hole, and 4 is shop bolt, and 5 is screw rod, and 6 is star-wheel.
Specific embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out under premised on technical solution of the present invention
Implement, give detailed implementation method and specific operating process, but protection scope of the present invention is not limited to following implementations
Example.
Embodiment 1
A kind of split compound spider for single screw compressor, its structure as shown in Figure 2, Figure 3, Figure 4, including one into
The star wheel frame 1 of type and the multiple spider pieces 2 being connected on star wheel frame 1, star wheel frame 1 are in horizontal annular shape, in the outer of annulus
Edge is in dentation, equal one spider piece 2 of clamping on each tooth, one end phase of two adjacent spider pieces 2 near the center of circle of star wheel frame 1
Mutually agree with, one is equipped with each tooth of star wheel frame 1 and on each spider piece 2 for being directed at star wheel frame 1 and spider piece 2
The pin-and-hole 3 put, after installation, shop bolt 4 is also cross the pin-and-hole 3 on star wheel frame 1 and spider piece 2.
Star wheel frame 1 and multiple spider pieces 2 can be assembled or split by split compound spider of the invention, and dismounting is very
Convenient, especially when certain spider piece 2 is damaged, existing star-wheel all changes whole spider piece 2, and of the invention point
As long as bluk recombination star-wheel changes one of spider piece 2, cost-effective, efficiency is improved.In addition, by setting pin-and-hole 3, can be with
The position of guarantee star wheel frame 1 and spider piece 2 is correct, does not interfere with the accuracy of whole star-wheel.
Dovetail groove 11 is provided with the middle part of star wheel frame 1 each tooth surface, dovetail groove 11 is set along the radial direction of star wheel frame 1.
The center of the bottom of dovetail groove 11 is provided with strip projection 12, and the strip projection 12 is along the radial direction of star wheel frame 1
Set.Strip projection 12 is set, can cause that the cooperation of star wheel frame 1 and spider piece 2 is more stablized, assembling is also more convenient.
The bottom of each spider piece 2 is provided with raised 21 matched with dovetail groove 11, the middle part of each projection 21 be provided with
The strip connected in star 22 that strip projection 12 matches.
Two sides of star wheel frame 1 each tooth are in hypotenuse on the thickness direction of star wheel frame 1, and the gradient of a side is big
In another side；Two sides of each spider piece 2 are more than in hypotenuse, and the gradient of a side in the thickness direction thereof
Another side；The larger side of the gradient side larger with gradient on the tooth of star wheel frame 1 be not in the same side on spider piece 2.
The material of star wheel frame 1 is steel, and the material of spider piece 2 is peek resins.PEEK resins (polyether-ether-ketone) are a kind of property
The excellent special engineering plastics of energy, have more significant advantages, 260 DEG C of resistance to positive high temperature, machine compared with other special engineering plastics
Tool excellent performance, self lubricity are good, fire-retardant chemicals-resistant burn into, peel resistance, wearability, intolerant to the strong nitric acid, concentrated sulfuric acid, anti-
Radiation, superpower mechanical performance can be used for the science and technology such as high-end machinery, nuclear engineering and aviation.Constituted using steel and peek resins
Star-wheel, mechanical performance is higher, is unlikely to deform.
The preparation method of a kind of as above a kind of split compound spider for single screw compressor, including following step
Suddenly：
(1) according to the size of single screw compressor, the size and the number of teeth of star wheel frame 1 are selected, by integral molded plastic or molding
Mode prepare star wheel frame 1 and matching spider piece 2；
(2) bottom of spider piece 2 is plugged on the upper surface of star wheel frame 1, until the weight of pin-and-hole 3 on spider piece 2 and star wheel frame 1
Close, and be mutually matched with dovetail groove 11 by raised 21, by spider piece 2 along star wheel frame 1 radial direction push-in star wheel frame 1
Tooth in, until both pin-and-hole 3 overlaps；
(3) in the pin-and-hole 3 shop bolt 4 being plugged on spider piece 2 and star wheel frame 1, spider piece 2 and star wheel frame 1 are realized
Fixation；
(4) multiple spider pieces 2 are fixed on star wheel frame 1 successively, obtain final product split compound spider.
Claims (7)
1. a kind of split compound spider for single screw compressor, it is characterised in that the split compound spider includes one
The star wheel frame (1) of shaping and the multiple spider pieces (2) being connected on star wheel frame (1), the star wheel frame (1) is in horizontal annulus
Shape, is in dentation in the outward flange of annulus, and one spider piece (2) of equal clamping on each tooth, two adjacent spider pieces (2) are close to star
The one end in wheel carrier (1) center of circle is mutually agreed with, and one is equipped with each tooth of the star wheel frame (1) and on each spider piece (2)
The individual pin-and-hole (3) for being directed at star wheel frame and spider piece position, after installation, shop bolt (4) is also cross positioned at star-wheel
Pin-and-hole (3) on frame (1) and spider piece (2).
2. a kind of split compound spider for single screw compressor according to claim 1, it is characterised in that described
Dovetail groove (11) is provided with the middle part of star wheel frame (1) each tooth surface, the dovetail groove (11) sets along star wheel frame (1) radial direction
Put.
3. a kind of split compound spider for single screw compressor according to claim 2, it is characterised in that the swallow
The center of stern notch (11) bottom is provided with strip projection (12), and strip projection (12) sets along star wheel frame (1) radial direction
Put.
4. a kind of split compound spider for single screw compressor according to claim 3, it is characterised in that each institute
The bottom for stating spider piece (2) is provided with the projection (21) matched with dovetail groove (11), is provided with and length in the middle part of each raised (21)
The strip connected in star (22) that strip bulge (12) matches.
5. a kind of split compound spider for single screw compressor according to claim 1, it is characterised in that star wheel frame
(1) two sides of each tooth are in hypotenuse on star wheel frame (1) thickness direction, and a gradient for side is more than another side
Side；Two sides of each spider piece (2) are in the thickness direction thereof hypotenuse, and a gradient for side is more than another
Bar side；The larger side of the gradient side larger with gradient on star wheel frame (1) tooth be not in the same side on spider piece (2).
6. a kind of split compound spider for single screw compressor according to claim 1, it is characterised in that the star
The material of wheel carrier (1) is steel, and the material of spider piece (2) is peek resins.
7. the preparation side of a kind of a kind of split compound spider for single screw compressor as described in claim 1~6 is any
Method, it is characterised in that the preparation method includes following steps：
(1) according to the size of single screw compressor, the size and the number of teeth of selection star wheel frame (2), by integral molded plastic or molding
Mode prepares star wheel frame (1) and matching spider piece (2)；
(2) bottom of spider piece (2) is plugged on star wheel frame (1) upper surface, until the pin on spider piece (2) and star wheel frame (1)
Hole (3) overlaps；
(3) in the pin-and-hole (3) shop bolt (4) being plugged on spider piece (2) and star wheel frame (1), spider piece (2) and star are realized
The fixation of wheel carrier (1)；
(4) multiple spider pieces (2) are fixed on star wheel frame (1) successively, obtain final product the split compound spider.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710166687.XA CN106837798B (en) | 2017-03-20 | 2017-03-20 | Split composite star wheel for single-screw compressor and preparation process of split composite star wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710166687.XA CN106837798B (en) | 2017-03-20 | 2017-03-20 | Split composite star wheel for single-screw compressor and preparation process of split composite star wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106837798A true CN106837798A (en) | 2017-06-13 |
| CN106837798B CN106837798B (en) | 2020-09-01 |
Family
ID=59129937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710166687.XA Active CN106837798B (en) | 2017-03-20 | 2017-03-20 | Split composite star wheel for single-screw compressor and preparation process of split composite star wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106837798B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654380A (en) * | 2017-11-14 | 2018-02-02 | 江西红海力能源科技有限公司 | A kind of single screw compressor spider piece |
| CN111136426A (en) * | 2019-12-31 | 2020-05-12 | 西安交通大学 | Anti-warping star wheel sheet of single-screw compressor and manufacturing process and mounting process of anti-warping star wheel sheet |
| CN111237190A (en) * | 2020-01-09 | 2020-06-05 | 徐焕东 | Energy-saving single-screw air compressor |
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| CN2330818Y (en) * | 1998-01-08 | 1999-07-28 | 查济瑞 | Assembled blade wheel structure for single helical lobe compressor |
| CN2884890Y (en) * | 2006-03-16 | 2007-04-04 | 郭玉卿 | Impeller blade body of impeller type oxygen charger |
| CN101153596A (en) * | 2006-09-29 | 2008-04-02 | 上海开利涡普机械有限公司 | Compound spider piece used for single-screw compressor |
| CN204327911U (en) * | 2014-12-12 | 2015-05-13 | 杭州九钻机械有限公司 | A kind of sprocket wheel |
| WO2016190558A1 (en) * | 2015-05-28 | 2016-12-01 | 한국에어로(주) | Screw compressor integrated with synchronous motor |
| CN206655819U (en) * | 2017-03-20 | 2017-11-21 | 好米动力设备有限公司 | A kind of split compound spider for single screw compressor |
-
2017
- 2017-03-20 CN CN201710166687.XA patent/CN106837798B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2330818Y (en) * | 1998-01-08 | 1999-07-28 | 查济瑞 | Assembled blade wheel structure for single helical lobe compressor |
| CN2884890Y (en) * | 2006-03-16 | 2007-04-04 | 郭玉卿 | Impeller blade body of impeller type oxygen charger |
| CN101153596A (en) * | 2006-09-29 | 2008-04-02 | 上海开利涡普机械有限公司 | Compound spider piece used for single-screw compressor |
| CN204327911U (en) * | 2014-12-12 | 2015-05-13 | 杭州九钻机械有限公司 | A kind of sprocket wheel |
| WO2016190558A1 (en) * | 2015-05-28 | 2016-12-01 | 한국에어로(주) | Screw compressor integrated with synchronous motor |
| CN206655819U (en) * | 2017-03-20 | 2017-11-21 | 好米动力设备有限公司 | A kind of split compound spider for single screw compressor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654380A (en) * | 2017-11-14 | 2018-02-02 | 江西红海力能源科技有限公司 | A kind of single screw compressor spider piece |
| CN107654380B (en) * | 2017-11-14 | 2019-01-29 | 江西红海力能源科技有限公司 | A kind of single screw compressor spider piece |
| CN111136426A (en) * | 2019-12-31 | 2020-05-12 | 西安交通大学 | Anti-warping star wheel sheet of single-screw compressor and manufacturing process and mounting process of anti-warping star wheel sheet |
| CN111237190A (en) * | 2020-01-09 | 2020-06-05 | 徐焕东 | Energy-saving single-screw air compressor |
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| Publication number | Publication date |
|---|---|
| CN106837798B (en) | 2020-09-01 |
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