CN205446667U - Star wheel axle is structure with adjustable - Google Patents
Star wheel axle is structure with adjustable Download PDFInfo
- Publication number
- CN205446667U CN205446667U CN201521128195.4U CN201521128195U CN205446667U CN 205446667 U CN205446667 U CN 205446667U CN 201521128195 U CN201521128195 U CN 201521128195U CN 205446667 U CN205446667 U CN 205446667U
- Authority
- CN
- China
- Prior art keywords
- star
- screw thread
- external screw
- wheel support
- threaded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a star wheel axle is structure with adjustable, efficient, the good reliability of its regulation. Star wheel axle is structure with adjustable includes the star gear, the star gear is established on the star gear support, the star gear support cup joints with star wheel axle mutually, star gear support and star wheel axle sliding fit in the axial, the one side that lies in the star gear support on star wheel axle is equipped with the first external screw thread that supplies first accurate lock nut threaded connection, the opposite side that lies in the star gear support on star wheel axle is equipped with the second external screw thread that supplies the accurate lock nut threaded connection of second, first accurate lock nut forms the roof pressure cooperation with the star gear support, the accurate lock nut of second forms the roof pressure cooperation with the star gear support.
Description
Technical field
This utility model belongs to the technical field of single screw compressor, concretely relates to the spider gear shaft architecture on a kind of single screw compressor.
Background technology
Single screw compressor is the Meshing Pair of the high-accuracy engagement of a screw rod and two star-wheel compositions, and its mesh degree directly affects the efficiency of single screw compressor.Affecting this machining accuracy that factor of the Meshing Pair accuracy of mesh is not only screw rod and star-wheel, also star-wheel is relative to the positional precision of screw rod.Controlling star-wheel is the star-wheel gap away from casing divisional plane relative to the one of which of the positional precision of screw rod, and this gap is a definite value after unit design completes, and should not become and also should not diminish greatly.The structure being used for adjusting and controlling this gap on market typically has three kinds, respectively: trim tab adjusts, adjusting pad adjusts and regulation screw adjusts.
The gap between star-wheel and casing divisional plane is controlled by the thickness of match grinding trim tab or the quantity of increase and decrease adjusting pad when trim tab adjusts and adjusting pad is adjusted to assembled in situ, both adjusts mode and can ensure that this gap will not change in unit running process, reliability is higher, but equipment adjustment is inefficient, in order to ensure that above-mentioned gap is in rational scope, often the most time-consuming to take a lot of work again through being dismounted for multiple times.
Regulation screw adjusts the regulation screw of the many employings of structure and promotes the position of bearing thus by above-mentioned clearance control in rational scope, this solves the problem that unit efficiency of assembling is low, but because the end face diameter of regulation screw is less, and star-wheel has the biggest axial force, the regulation easy stress deformation of face, time again because running, the vibration regulation screw of unit is the most loosening, and reliability is poor.
Summary of the invention
The purpose of this utility model is to provide a kind of adjustable spider gear shaft architecture, and its regulation efficiency is high, good reliability.
For solving above-mentioned technical problem, the purpose of this utility model is achieved in that
A kind of adjustable spider gear shaft architecture, including star-wheel, star-wheel is located on star-wheel support, star-wheel support socket-connects with spider gear shaft, star-wheel support is slidably matched in the axial direction with spider gear shaft, the side being positioned at star-wheel support on spider gear shaft is provided with first external screw thread threaded for the first accurate locking nut, the opposite side being positioned at star-wheel support on spider gear shaft is provided with second external screw thread threaded for the second accurate locking nut, first accurate locking nut and star-wheel support form top press-fit, and the second accurate locking nut forms top press-fit with star-wheel support.
On the basis of such scheme and as the preferred version of such scheme: the first accurate locking nut includes the nut body one being threaded on the first external screw thread, the end of nut body one forms top press-fit with star-wheel support, nut body one is provided with set screw hole one, threaded in set screw hole one have holding screw one, interior trepanning one it is additionally provided with in nut body one, interior trepanning one is sliding combined with inner sleeve one, threaded section one it is provided with in one side relative with the first external screw thread in inner sleeve one, threaded section one is engaged mutually with the first externally threaded thread, by holding screw one make inner sleeve one have with the first external screw thread tight against position and release inner sleeve one and the first external screw thread tight against position.
On the basis of such scheme and as the preferred version of such scheme: the second accurate locking nut includes the nut body two being threaded on the second external screw thread, the end of nut body two forms top press-fit with star-wheel support, nut body two is provided with set screw hole two, threaded in set screw hole two have holding screw two, interior trepanning two it is additionally provided with in nut body two, interior trepanning two is sliding combined with inner sleeve two, threaded section two it is provided with in one side relative with the second external screw thread in inner sleeve two, threaded section two is engaged mutually with the second externally threaded thread, by holding screw two make inner sleeve two have with the second external screw thread tight against position and release inner sleeve two and the second external screw thread tight against position.
On the basis of such scheme and as the preferred version of such scheme: star-wheel is arranged on star-wheel support by pin, and one end of disc spring is butted on the convex shoulder of nut body two, and the other end of disc spring is butted on star-wheel and pin.
This utility model highlights and useful having the technical effect that compared to existing technology
Adjustable spider gear shaft architecture of the present utility model, by the first accurate locking nut, the second accurate locking nut simultaneously to star-wheel support tight against so that star-wheel support obtains fixing in the axial direction.When the first accurate locking nut or the second accurate locking nut release to star-wheel support tight against after, correspondingly rotate accurate locking nut so that it changes relative to the position of spider gear shaft, and the gap being adjusted between star-wheel and the divisional plane of casing.Furthermore, by arranging the structure of holding screw and inner sleeve, fixing nut body with also assures that adjustment while the relative position of spider gear shaft after gap do not change.This spider gear shaft architecture, regulation efficiency is high, good reliability.
Accompanying drawing explanation
Fig. 1 is integrally-built sectional view of the present utility model.
Fig. 2 is the structural representation of the first accurate locking nut.
Fig. 3 is the structural representation of the second accurate locking nut.
Detailed description of the invention
With specific embodiment, this utility model is further described below in conjunction with the accompanying drawings, sees Fig. 1 Fig. 3；
This gives a kind of adjustable spider gear shaft architecture, including star-wheel 1, star-wheel 1 is located on star-wheel support 2, and star-wheel support 2 socket-connects with spider gear shaft 3.The two ends of spider gear shaft 3 are arranged on bearing block by bearing 41,42 respectively, and bearing block is arranged in the casing of single screw compressor.In the present embodiment, star-wheel support 2 is slidably matched in the axial direction with spider gear shaft 3, and star-wheel support can slide in the axial direction relative to spider gear shaft, adjusts the gap of star-wheel and the divisional plane in casing whereby.
The side being positioned at star-wheel support 2 on spider gear shaft 3 is provided with first external screw thread 61 threaded for the first accurate locking nut 5, and the opposite side being positioned at star-wheel support 2 on spider gear shaft 3 is provided with second external screw thread 62 threaded for the second accurate locking nut 7.Specifically, being provided with the first external screw thread on spider gear shaft, the first external screw thread is threaded for the first accurate locking nut, and the first accurate locking nut is for forming top press-fit with star-wheel support；Being additionally provided with the second external screw thread on spider gear shaft, the second external screw thread is threaded for the second accurate locking nut, and the first accurate locking nut is for forming top press-fit with star-wheel support.By the first accurate locking nut, the second accurate locking nut simultaneously to star-wheel support tight against so that star-wheel support obtains fixing in the axial direction.When the first accurate locking nut or the second accurate locking nut release to star-wheel support tight against after, correspondingly rotate accurate locking nut so that it changes relative to the position of spider gear shaft, and the gap being adjusted between star-wheel and the divisional plane of casing.
In the present embodiment, above-mentioned first accurate locking nut 5 includes the nut body 1 being threaded on the first external screw thread, as shown in FIG., is provided with female thread on nut body one, being provided with external screw thread on spider gear shaft, realizing nut body one both it threadeds with spider gear shaft.The end 511 of nut body one forms top press-fit with star-wheel support 2, precession nut body one make its with star-wheel support tight against, pine withdrawing nut body one make its release with star-wheel support tight against.Nut body 1 is provided with set screw hole 1, threaded in set screw hole one have holding screw 1, interior trepanning 1 it is additionally provided with in nut body 1, interior trepanning 1 is sliding combined with inner sleeve 1, threaded section 1 it is provided with in one side relative with the first external screw thread in inner sleeve one, threaded section 1 is engaged mutually with the thread of the first external screw thread 61, by holding screw one make inner sleeve one have with the first external screw thread tight against position and release inner sleeve one and the first external screw thread tight against position.When first accurate locking nut uses, rotating holding screw one by tightening direction, holding screw one moves to the first external screw thread direction and makes threaded section and the first externally threaded thread closed-bite maloccllusion of inner sleeve, so that nut body one and spider gear shaft keep being relatively fixed.Pine moves back holding screw one to release threaded section and the first externally threaded thread closed-bite maloccllusion of inner sleeve one so that nut body one can rotate, and is adjusted gap.Additionally, due to the rotation direction of the rotation direction of holding screw one and nut body one differs, use this structure, after gap is adjusted in place, nut body one rotation can also be avoided for the moment at fastening holding screw, it is ensured that the star-wheel gap after adjustment does not changes.
Second accurate locking nut 7 includes the nut body 2 71 being threaded on the second external screw thread 62, as shown in FIG., is provided with female thread on nut body two, is provided with external screw thread on spider gear shaft, and realizing nut body two both it threadeds with spider gear shaft.The end 711 of nut body 2 71 and star-wheel support 2 form top press-fit, specifically, precession nut body one make its with star-wheel support tight against, pine withdrawing nut body one make its release with star-wheel support tight against.Nut body 2 71 is provided with set screw hole 2 72, threaded in set screw hole 2 72 have holding screw 2 73, interior trepanning 2 74 it is additionally provided with in nut body 2 71, interior trepanning 2 74 is sliding combined with inner sleeve 2 75, threaded section 2 76 it is provided with in one side relative with the second external screw thread in inner sleeve 2 75, threaded section two is engaged mutually with the second externally threaded thread, by holding screw two make inner sleeve two have with the second external screw thread tight against position and release inner sleeve two and the second external screw thread tight against position.When second accurate locking nut uses, tighten holding screw two and make threaded section and the second externally threaded thread closed-bite maloccllusion of inner sleeve two, so that nut body two and spider gear shaft keep being relatively fixed；Pine moves back holding screw two to release threaded section and the second externally threaded thread closed-bite maloccllusion of inner sleeve two so that nut body two can rotate, and is adjusted gap.Additionally, due to the rotation direction of the rotation direction of holding screw two and nut body two differs, use this structure, after gap is adjusted in place, nut body can also be avoided to rotate when fastening holding screw two, it is ensured that the star-wheel gap after adjustment does not changes.
In the present embodiment, star-wheel 1 is arranged on star-wheel support 2 by pin 8, and as shown in FIG., pin is located on star-wheel and star-wheel support.One end of disc spring 9 is butted on the convex shoulder 712 of nut body 2 71, and the other end of disc spring is butted on star-wheel and pin.
Above-described embodiment is only preferred embodiment of the present utility model, limits protection domain of the present utility model the most according to this, therefore: all equivalence changes done according to structure of the present utility model, shape, principle, within protection domain of the present utility model all should be covered by.
Claims (4)
1. an adjustable spider gear shaft architecture, including star-wheel, star-wheel is located on star-wheel support, star-wheel support socket-connects with spider gear shaft, it is characterized in that: star-wheel support is slidably matched in the axial direction with spider gear shaft, the side being positioned at star-wheel support on spider gear shaft is provided with first external screw thread threaded for the first accurate locking nut, the opposite side being positioned at star-wheel support on spider gear shaft is provided with second external screw thread threaded for the second accurate locking nut, first accurate locking nut forms top press-fit with star-wheel support, second accurate locking nut forms top press-fit with star-wheel support.
Adjustable spider gear shaft architecture the most according to claim 1, it is characterized in that: the first accurate locking nut includes the nut body one being threaded on the first external screw thread, the end of nut body one forms top press-fit with star-wheel support, nut body one is provided with set screw hole one, threaded in set screw hole one have holding screw one, interior trepanning one it is additionally provided with in nut body one, interior trepanning one is sliding combined with inner sleeve one, threaded section one it is provided with in one side relative with the first external screw thread in inner sleeve one, threaded section one is engaged mutually with the first externally threaded thread, by holding screw one make inner sleeve one have with the first external screw thread tight against position and release inner sleeve one and the first external screw thread tight against position.
Adjustable spider gear shaft architecture the most according to claim 1, it is characterized in that: the second accurate locking nut includes the nut body two being threaded on the second external screw thread, the end of nut body two forms top press-fit with star-wheel support, nut body two is provided with set screw hole two, threaded in set screw hole two have holding screw two, interior trepanning two it is additionally provided with in nut body two, interior trepanning two is sliding combined with inner sleeve two, threaded section two it is provided with in one side relative with the second external screw thread in inner sleeve two, threaded section two is engaged mutually with the second externally threaded thread, by holding screw two make inner sleeve two have with the second external screw thread tight against position and release inner sleeve two and the second external screw thread tight against position.
Adjustable spider gear shaft architecture the most according to claim 1, it is characterised in that: star-wheel is arranged on star-wheel support by pin, and one end of disc spring is butted on the convex shoulder of nut body two, and the other end of disc spring is butted on star-wheel and pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521128195.4U CN205446667U (en) | 2015-12-30 | 2015-12-30 | Star wheel axle is structure with adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521128195.4U CN205446667U (en) | 2015-12-30 | 2015-12-30 | Star wheel axle is structure with adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205446667U true CN205446667U (en) | 2016-08-10 |
Family
ID=56598732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521128195.4U Expired - Fee Related CN205446667U (en) | 2015-12-30 | 2015-12-30 | Star wheel axle is structure with adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205446667U (en) |
-
2015
- 2015-12-30 CN CN201521128195.4U patent/CN205446667U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108453524A (en) | A kind of high-accuracy general adjustable v-type positioning tool | |
| CN203044937U (en) | Eccentric type tool fine adjusting mechanism | |
| CN205453393U (en) | Connection structure of motor shaft and derailleur axle | |
| CN105464986B (en) | A kind of adjustable single screw compressor of star-wheel shafting | |
| CN205446667U (en) | Star wheel axle is structure with adjustable | |
| CN205370989U (en) | Single screw compressor with adjustable star wheel axle system | |
| CN207014267U (en) | The pneumatic Universal sleeve of high-performance | |
| CN205349722U (en) | Single screw compressor with adjustable neotype star wheel axle system | |
| CN205496903U (en) | Annular knurl alignment device of axle | |
| CN201922264U (en) | Axially positioning clamp for bevel gear of connecting shaft | |
| CN110259718B (en) | Combined overspeed test tool for air compressing impeller of steam compressor and using method thereof | |
| CN202251269U (en) | Fork head locking device and pull rod assembly thereof | |
| CN103072109B (en) | Anti-overloading torque spanner | |
| CN203579247U (en) | Automobile steering knuckle shell clamp | |
| CN205371566U (en) | Star wheel axle is structure with adjustable | |
| CN205349741U (en) | Single screw compressor with adjustable star wheel axle system | |
| CN204553210U (en) | With the double-suction double screw pump of conical expansion cover | |
| CN204607449U (en) | A kind of telescopic boom slack adjuster, telescopic boom and construction machinery and equipment | |
| CN205349723U (en) | Single screw compressor with adjustable neotype star wheel axle system | |
| CN203686092U (en) | Clearance adjustment device for spiral bevel gears of universal milling head | |
| CN205908711U (en) | Combination gear type strip in adjustable clearance | |
| CN204239570U (en) | Worm shaft angle self-locking structure | |
| CN205703754U (en) | A kind of emery wheel location structure | |
| CN204450340U (en) | A kind of telescopic sleeve | |
| CN204152780U (en) | A kind of piston rod is connected regulation structure with crosshead body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20171230 |