CN103322154A - Stroke-variable guide rod device - Google Patents
Stroke-variable guide rod device Download PDFInfo
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- CN103322154A CN103322154A CN2013102738453A CN201310273845A CN103322154A CN 103322154 A CN103322154 A CN 103322154A CN 2013102738453 A CN2013102738453 A CN 2013102738453A CN 201310273845 A CN201310273845 A CN 201310273845A CN 103322154 A CN103322154 A CN 103322154A
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- guide rod
- rod device
- screw
- support
- stroke guide
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Abstract
The invention relates to a guide rod device, in particular to a stock-variable guide rod device. The guide rod device comprises a screw driving assembly, a spindle driving assembly and a guide rod executing assembly which are mounted on a base, wherein the screw driving assembly is provided with a single screw mechanism and the single screw mechanism comprises a screw mounted on the base and a nut rotationally fitting with the screw, the spindle driving assembly is provided with a higher pair mechanism which is provided with a disc and globoids, and the disc is arranged between the globoids, the guide rod executing assembly comprises a guide rod, and a spring type adjustable cylindrical pin structure is arranged at the right extending end of the guide rod. The stroke-variable guide rod device mainly solves the problem that stepless transmissions and various existing straight reciprocating moving mechanisms requiring stroke adjustment are low in transmission efficiency and complex in stroke adjustment. The guide rod device has the advantages of applicability to underload, simple and compact structure, simplicity and reliability in stroke adjustment, and capability of realizing great improvement of transmission efficiency.
Description
Technical field
The present invention relates to guide-bar mechanism, in particular to a kind of change stroke guide rod device.
Background technique
The patent No. is that the model utility of ZL201020268686.X discloses a kind of adjustable feeding connecting rod mechanism, provide driving force by driver element, driving force is through power direction converting unit conversion power direction, the coupling component that the power of process conversion direction drives on the eccentric motion unit again produces eccentric rotary, and the first connecting rod that is connected with coupling component and coupling component with moving and again with transmission of power to the beat linkage unit, and the connecting rod in the beat linkage unit can change relative position, relatively also just can reach the reciprocating stroke that changes the reciprocal feeding unit in rear end, reach the purpose that changes the feeding stroke.Though having advantages of, this model utility can adjust the feeding stroke and the adjustment mode is easy, ease of use is high, but its drive mechanism is comparatively complicated, comprise driver element, power direction converting unit, eccentric motion unit, beat linkage unit, reciprocal feeding unit, this structure easily produces the transmission cumulative error on the one hand, and then affects transmission efficiency; Also easily increase on the other hand the probability that the transmission component break down, thereby further affect the working life of whole feeding connecting rod mechanism.
The patent No. is that the model utility embodiment of ZL200920353486.1 discloses a kind of straight-line guide rod device, comprises that an end is equipped with the leading rod of cam follower, and this leading rod is installed on the rotating disk of cam follower by the first linear bearing.Can find out from technique scheme, the leading rod that is provided with follower is installed on the cam follower rotating disk by linear bearing, adopt this structure because leading rod cooperated with cooperating for rolling of linear bearing, surface friction drag is little, so being well suited for driven member runs up, and linear bearing is standard piece, and is not high for the processing request of guide rod and rotating disk, so processing cost is low.In addition, also be provided with secondary guide, under the effect of secondary guide, leading rod just can not produce and not rotatablely move, and the fit form of secondary guide is identical with leading rod, when guaranteeing to run up, can also make follower with the profile of cam turn round more steady.Its defective is that this guide rod device is only applicable to cam mechanism, and Applicable scope is narrow.
Summary of the invention
Based on the problems referred to above, the present invention aims to provide a kind of change stroke guide rod device, is intended to solve stepless speed variator and the existing problem that needs the low and adjustment stroke complexity of the transmission efficiency that exists in all kinds of linear reciprocating mechanisms of adjustment stroke.
The invention provides a kind of change stroke guide rod device, comprise the screw drive assembly, spindle assembly and the guide rod executive module that are installed on the support, wherein, described screw drive assembly is provided with single-screw mechanism, this single-screw mechanism comprise the screw rod that is installed on the described support with its nut that screws mutually, described spindle assembly is provided with higher pair mechanism, this higher pair mechanism comprise disk and with the contacted right spheroid in its bi-side and left spheroid, described guide rod executive module comprises guide rod, and the right external part of this guide rod is provided with adjustable spring straight pin structure.
Preferably, described spindle assembly comprises the main shaft that is installed on the support and the sleeve that screws thereon.
In above-mentioned arbitrary scheme, preferably, have spindle mounting hole at two ends, the left and right sides, described support middle part.
In above-mentioned arbitrary scheme, preferably, in described two spindle mounting holes bearing is housed respectively.
In above-mentioned arbitrary scheme, preferably, have the screw rod mounting hole at the sidewall of described support lower right part.
In above-mentioned arbitrary scheme, preferably, in the described screw rod mounting hole bearing is housed.
In above-mentioned arbitrary scheme, preferably, be Spielpassung between the spindle mounting hole on described bearing outer ring and the support.
In above-mentioned arbitrary scheme, preferably, be Spielpassung between the screw rod mounting hole on described bearing outer ring and the support.
In above-mentioned arbitrary scheme, preferably, be interference fit between the axle journal on described bearing inner race and the main shaft.
In above-mentioned arbitrary scheme, preferably, be interference fit between the axle journal on described bearing inner race and the screw rod.
Preferably, described bearing is rolling bearing in above-mentioned arbitrary scheme.
Preferably, described rolling bearing is ball bearing in above-mentioned arbitrary scheme.
Preferably, described rolling bearing is roller bearing in above-mentioned arbitrary scheme.
Preferably, described bearing is sliding bearing in above-mentioned arbitrary scheme.
Preferably, described sliding bearing is solid box in above-mentioned arbitrary scheme.
Preferably, described sliding bearing is divided bearing in above-mentioned arbitrary scheme.
Preferably, described sliding bearing is the self-centering type bearing in above-mentioned arbitrary scheme.
Preferably, it is fastening that described bearing outer ring is provided with circlip for hole in above-mentioned arbitrary scheme.
In above-mentioned arbitrary scheme preferably, described bearing outer ring be provided with the bearing outer ring locking groove and circlip for shaft fastening.
Preferably, it is fastening that described bearing outer ring is provided with threaded collar in above-mentioned arbitrary scheme.
Preferably, it is fastening that described bearing inner race is provided with circlip for shaft in above-mentioned arbitrary scheme.
Preferably, it is fastening that described bearing inner race is provided with shaft end ring in above-mentioned arbitrary scheme.
Preferably, described bearing inner race is provided with round nut and lock washer is fastening in above-mentioned arbitrary scheme.
Preferably, described main shaft axial restraint is that two ends are fixed in above-mentioned arbitrary scheme.
Preferably, described main shaft axial restraint is that an end is fixed an end and moved about in above-mentioned arbitrary scheme.
Preferably, described support material is HT200 in above-mentioned arbitrary scheme.
Preferably, described screw rod material is 40Cr in above-mentioned arbitrary scheme.
Preferably, described nut is the rectangle nut in above-mentioned arbitrary scheme.
Preferably, described support bottom surface is provided with guiding groove in above-mentioned arbitrary scheme.
In above-mentioned arbitrary scheme, preferably, can only move axially for Spielpassung and its between front and back two inner side surfaces of the bi-side, front and back of nut bottom and described guiding groove.
Preferably, described nut material is ZCuSn10P1 in above-mentioned arbitrary scheme.
In above-mentioned arbitrary scheme, preferably, have Baltimore groove on the described sleeve cylindrical.
Preferably, the top left and right sides of described nut are embedded in the Baltimore groove of sleeve in above-mentioned arbitrary scheme.
In above-mentioned arbitrary scheme, preferably, have the connecting rod pin-and-hole on the cylindrical of described sleeve Baltimore groove left side.
Preferably, described B point place on spindle centerline has the disk pin-and-hole in above-mentioned arbitrary scheme.
Preferably, described main shaft B point place is equipped with disk in above-mentioned arbitrary scheme.
Preferably, described B point is the intersection point of spindle centerline and disc centre line in above-mentioned arbitrary scheme.
Preferably, described disc material is Mn13 in above-mentioned arbitrary scheme.
Preferably, described main shaft is by forming chain connection between straight pin and the disk in above-mentioned arbitrary scheme.
Preferably, described spindle material is 45 steel in above-mentioned arbitrary scheme.
In above-mentioned arbitrary scheme, preferably, have the connecting rod pin-and-hole on the described disk.
Preferably, described spindle assembly also comprises connecting rod in above-mentioned arbitrary scheme.
Preferably, described connecting rod one end and sleeve are in the hinge connection by cylindrical pin shape in above-mentioned arbitrary scheme.
Preferably, the connecting rod the other end and disk are in the hinge connection by cylindrical pin shape in above-mentioned arbitrary scheme.
Preferably, described connecting rod material is 45 steel in above-mentioned arbitrary scheme.
Preferably, described guide rod is provided with left external part and right external part in above-mentioned arbitrary scheme.
Preferably, described left external part is equipped with left spheroid in above-mentioned arbitrary scheme.
Preferably, described right external part has pin-and-hole in above-mentioned arbitrary scheme.
Preferably, described adjustable spring straight pin structure comprises spring in above-mentioned arbitrary scheme.
Preferably, described adjustable spring straight pin material is 40Cr in above-mentioned arbitrary scheme.
Preferably, described spring is Compress Spring in above-mentioned arbitrary scheme.
Preferably, described Compress Spring is the common cylinder helical spring in above-mentioned arbitrary scheme.
Preferably, described Compress Spring is tapered coil spring in above-mentioned arbitrary scheme.
Preferably, described Compress Spring is barrel-shaped spring in above-mentioned arbitrary scheme.
Preferably, described Compress Spring is hourglass shaped spring in above-mentioned arbitrary scheme.
Preferably, described Compress Spring is non-circular helical spring in above-mentioned arbitrary scheme.
Preferably, the material of described spring is carbon spring steel in above-mentioned arbitrary scheme.
Preferably, the material of described spring is alloy spring steel in above-mentioned arbitrary scheme.
Preferably, the material of described spring is rustproof spring steel in above-mentioned arbitrary scheme.
Description of drawings
To describe now according to preferred but nonrestrictive embodiment of the present invention, these other features of the present invention, aspect and advantage will become apparent when reading with reference to the accompanying drawings following detailed description, wherein:
Fig. 1 is the preferred embodiment structural representation that the present invention becomes the stroke guide rod device.
Description of reference numerals:
1 main shaft; 2 disks; 3 straight pins; 4 sleeves; 5 straight pins; 6 connecting rods; 7 screw rods; 8 nuts; 9 guide rods; 10 right spheroids; 11 left spheroids; 12 springs; 13 adjustable spring straight pins; 14 guide rods left side external part; 15 guide rod right side external parts; 16 circlips for shaft; 17 circlips for shaft; 18 supports; 19 straight pins.
Embodiment
The following description only is exemplary and be not in order to limit the disclosure, application or purposes in essence.Should be understood that, in whole accompanying drawings, corresponding reference character represents identical or corresponding parts and feature.
Embodiment 1:
With reference now to Fig. 1,, this change stroke guide rod device is described in further detail.
A kind of stroke guide rod device that becomes comprises screw drive assembly, spindle assembly and the guide rod executive module that is installed on the support.
Described screw drive assembly is provided with single-screw mechanism, comprise the screw rod 7 that is installed on the support 18 with its nut that screws mutually 8, sidewall at support 18 lower right parts has screw rod 7 mounting holes, in screw rod 7 mounting holes bearing is housed, described bearing is ball bearing, between the screw rod 7 on this bearing outer ring and the support 18 for Spielpassung and to be provided with bearing (ball) cover fastening, between the axle journal on this bearing inner race and the screw rod 7 for interference fit and to be provided with circlip for shaft fastening, support 18 materials are HT200, screw rod 7 materials are 40Cr, nut 8 is the rectangle nut, material is ZCuSn10P1, support 18 bottom surfaces are provided with guiding groove, can only move axially for Spielpassung and its between front and back two inner side surfaces of the bi-side, front and back of nut 8 bottoms and described guiding groove.
Described spindle assembly comprises the main shaft 1 that is installed on the support 18 and the sleeve 4 that screws thereon, have main shaft 1 mounting hole at two ends, the left and right sides, support 18 middle part, in this mounting hole bearing is housed, described bearing is ball bearing, between main shaft 1 mounting hole on this bearing outer ring and the support 18 for Spielpassung and to be provided with bearing (ball) cover fastening, between the axle journal on this bearing inner race and the main shaft 1 for interference fit and to be provided with circlip for shaft fastening, main shaft 1 axial restraint is that two ends are fixed, the spindle assembly is provided with higher pair mechanism, comprise disk 2 and remain right spheroid 10 and the left spheroid 11 of contact condition with its bi-side, have Baltimore groove on sleeve 4 cylindricals, the top left and right sides of nut 8 are embedded in the Baltimore groove of sleeve 4, have a connecting rod pin-and-hole on the cylindrical in the outside, the sleeve 4 Baltimore groove left sides, main shaft 1 has the disk pin-and-hole, B point place on main shaft 1 center line has the disk pin-and-hole and disk 2 is installed, described B point is the intersection point of main shaft 1 center line and described disc centre line, disk 2 materials are Mn13, main shaft 1 is by forming chain connection between straight pin 3 and the disk 2, main shaft 1 material is 45 steel, have the connecting rod pin-and-hole on the disk 2, described spindle assembly also comprises connecting rod 6, connecting rod 6 one ends and sleeve 4 form chain connection by straight pin 5, the other end and disk 2 form chain connection by straight pin 19, and connecting rod 6 materials are 45 steel.
The guide rod executive module comprises guide rod 9, it is provided with left external part 14 and right external part 15, the right external part 15 of guide rod is provided with adjustable spring straight pin structure, left external part 14 is equipped with left spheroid 11, and right external part 15 has cylinder pin hole, and described adjustable spring straight pin structure comprises spring 12, this spring is Compress Spring, this Compress Spring is the common cylinder helical spring, and the material of described spring is carbon spring steel, and adjustable spring straight pin 13 materials are 40Cr.
As shown in Figure 1, be installed in the main shaft 1 on the support 18, disk 2 is housed on it, this disk is connected with main shaft 1 by straight pin 3, the center line of main shaft 1 center line and disk intersects at the B point, and sleeve 4 also is housed on the main shaft 1, but this sleeve move left and right and rotate with spindle synchronous, it is connected with an end of connecting rod 6 by straight pin 5 again, and the other end of connecting rod 6 is connected to the A point of disk 2.The screw rod 7 that is installed on the support 18 can only rotate, and can not move vertically, at screw rod 7 left ends rectangle nut 8 is housed, and matches with the guiding groove of support bottom in its underpart, and its top is embedded in the groove of sleeve 4, and nut 8 can only move, and can not rotate.During rotating screw bolt 7, screw rod 7 and the nut on it 8 are mobile to the left or to the right simultaneously, thus band moving sleeve 4 move left and right on input shaft 1 cylindrical.Sleeve 4 drives disk 2 by connecting rod 6 again, so that the angle α of the axis of the axis of disk 2 and input shaft 1 changes.But the guide rod 9 of move left and right is housed at support 18, and spheroid 10 and 11 are equipped with in the intermediate position, clamp the bi-side of disk 2 outer rims, and spheroid 11 is embedded in the external part 14 of guide rod, and they can be at external part 14 interior Free-rollings.Spheroid 10 is embedded in the mobile straight pin 13, and it is also at straight pin 13 interior Free-rollings.Mobile straight pin 13 is installed in the pin-and-hole of another external part 15 of guide rod, straight pin 13 can be in pin-and-hole move left and right.Straight pin 13 is equipped with spring 12, and spring 12 can make right spheroid 10 remain contact condition with disk 2.
Main shaft 1 among the present invention is driving link, and guide rod 9 is final driven member.During this device work, rotary screw 7 moves by nut 8 band moving sleeves 4, drives the B point of disk on main shaft by connecting rod 6 again and rotates, and the angle between disk 2 axis and main shaft 1 axis is α.At this moment, main shaft 1 rotates and drives disk 2 on it and sleeve 4 and connecting rod 6 and rotates synchronously, because disk 2 outer rims remain with left and right sides spheroid 10 and 11 respectively and contact, therefore guide rod 9 is under the drive of disk 2, along guide rod shaft to doing straight reciprocating motion, the reciprocating maximum displacement of guide rod is that stroke is relevant with angle α, changes angle α, just can change the stroke of guide rod.The stroke of guide rod 9 also with spheroid 10 and 11 relevant with the contact position of disk 2, and this contact position is fixed, and can not adjust.Therefore, no matter main shaft 1 is in and rotates or state of rest all can be regulated the guide rod stroke, and the size that need only rotating screw bolt 7 when regulating the guide rod stroke changes angle α just can realize.
Embodiment 2:
A kind of change stroke guide rod device, with embodiment 1, difference is that the bearing in described screw drive assembly and the spindle assembly is roller bearing.
Embodiment 3:
A kind of change stroke guide rod device, with embodiment 1, difference is that the bearing in described screw drive assembly and the spindle assembly is bush bearing.
Embodiment 4:
A kind of change stroke guide rod device, with embodiment 1, difference is that the bearing in described screw drive assembly and the spindle assembly is split plain bearing.
Embodiment 5:
A kind of change stroke guide rod device, with embodiment 1, difference is that the bearing in described screw drive assembly and the spindle assembly is the self-centering type sliding bearing.
Embodiment 6:
A kind of change stroke guide rod device, with embodiment 1, difference is that it is fastening that the bearing outer ring in described screw drive assembly and the spindle assembly is provided with circlip for hole.
Embodiment 7:
A kind of change stroke guide rod device, with embodiment 1, difference is, the bearing outer ring in described screw drive assembly and the spindle assembly be provided with the bearing outer ring locking groove and circlip for shaft fastening.
Embodiment 8:
A kind of change stroke guide rod device, with embodiment 1, difference is that it is fastening that the bearing outer ring in described screw drive assembly and the spindle assembly is provided with threaded collar.
Embodiment 9:
A kind of change stroke guide rod device, with embodiment 1, difference is that it is fastening that the bearing inner race in described screw drive assembly and the spindle assembly is provided with shaft end ring.
Embodiment 10:
A kind of change stroke guide rod device, with embodiment 1, difference is that the bearing inner race in described screw drive assembly and the spindle assembly is provided with round nut and lock washer is fastening.
Embodiment 11:
A kind of change stroke guide rod device, with embodiment 1, difference is, described main shaft 1 axial restraint is that an end is fixed an end and moved about.
Embodiment 12:
A kind of change stroke guide rod device, with embodiment 1, difference is that described Compress Spring is tapered coil spring.
Embodiment 13:
A kind of change stroke guide rod device, with embodiment 1, difference is that described Compress Spring is barrel-shaped spring.
Embodiment 14:
A kind of change stroke guide rod device, with embodiment 1, difference is that described Compress Spring is hourglass shaped spring.
Embodiment 15:
A kind of change stroke guide rod device, with embodiment 1, difference is that described Compress Spring is non-circular helical spring.
Embodiment 16:
A kind of change stroke guide rod device, with embodiment 1, difference is that the material of described spring is alloy spring steel.
Embodiment 17:
A kind of change stroke guide rod device, with embodiment 1, difference is that the material of described spring is rustproof spring steel.
This guide rod device is applicable to underload, and is simple in structure and compact, and stroke adjustment is easy to be reliable, has realized the beneficial effect that transmission efficiency significantly improves.
Although at length disclose with reference to the accompanying drawings the present invention, it should be understood that these descriptions only are exemplary, be not to limit application of the present invention.Protection scope of the present invention is limited by accessory claim, and can be included in pin various modification made for the present invention, remodeling and equivalents in the situation that does not break away from protection domain of the present invention and spirit.
Claims (10)
1. one kind becomes the stroke guide rod device, comprise the screw drive assembly that is installed on the support, spindle assembly and guide rod executive module, it is characterized in that: described screw drive assembly is provided with single-screw mechanism, this single-screw mechanism comprise the screw rod (7) that is installed on the support (18) with its nut that screws mutually (8), described spindle assembly is provided with higher pair mechanism, this higher pair mechanism comprises disk (2) and remains right spheroid (10) and the left spheroid (11) of contact condition with its bi-side, described guide rod executive module comprises guide rod (9), and the right external part (15) of guide rod (9) is provided with adjustable spring straight pin (13) structure.
2. change stroke guide rod device as claimed in claim 1 is characterized in that: described spindle assembly comprises the main shaft (1) that is installed on the support (18) and screws thereon sleeve (4).
3. change stroke guide rod device as claimed in claim 1 is characterized in that: have main shaft (1) mounting hole at two ends, the left and right sides, support (18) middle part.
4. change stroke guide rod device as claimed in claim 3 is characterized in that: in described two main shafts (1) mounting hole bearing is housed respectively.
5. change stroke guide rod device as claimed in claim 1, it is characterized in that: the sidewall at support (18) lower right part has screw rod (7) mounting hole.
6. change stroke guide rod device as claimed in claim 5 is characterized in that: in screw rod (7) mounting hole bearing is housed.
7. change stroke guide rod device as claimed in claim 4 is characterized in that: be Spielpassung between main shaft (1) mounting hole on described bearing outer ring and the support (18).
8. change stroke guide rod device as claimed in claim 6 is characterized in that: be Spielpassung between screw rod (7) mounting hole on described bearing outer ring and the support (18).
9. change stroke guide rod device as claimed in claim 4 is characterized in that: be interference fit between the axle journal on described bearing inner race and the main shaft (1).
10. change stroke guide rod device as claimed in claim 6 is characterized in that: be interference fit between the axle journal on described bearing inner race and the screw rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102738453A CN103322154A (en) | 2013-07-02 | 2013-07-02 | Stroke-variable guide rod device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102738453A CN103322154A (en) | 2013-07-02 | 2013-07-02 | Stroke-variable guide rod device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103322154A true CN103322154A (en) | 2013-09-25 |
Family
ID=49191098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102738453A Pending CN103322154A (en) | 2013-07-02 | 2013-07-02 | Stroke-variable guide rod device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103322154A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591243A (en) * | 2013-12-02 | 2014-02-19 | 赵子健 | Rotary device |
| CN111498583A (en) * | 2020-05-26 | 2020-08-07 | 江苏安澜万锦电子股份有限公司 | Double bull copper foil is around belting |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1746335A (en) * | 1928-06-05 | 1930-02-11 | Romac Motor Accessories Ltd | Multiple-cylinder reciprocatory pump and fluid-actuated motor of the swash-plate type |
| US2913911A (en) * | 1958-01-09 | 1959-11-24 | Bendix Westinghouse Automotive | Motion translating device |
| US3405563A (en) * | 1966-10-24 | 1968-10-15 | William Hagen Co Inc | Variable stroke mechanism |
| CH684357A5 (en) * | 1991-03-28 | 1994-08-31 | Eduard Kaufmann | Continuously variable transmission |
| CN101696721A (en) * | 2009-05-27 | 2010-04-21 | 北京联合大学 | Swash plate guide-rod rotary stepless transmission |
| CN101571112B (en) * | 2008-04-28 | 2011-11-09 | 株式会社丰田自动织机 | Variable displacement type compressor with displacement control mechanism |
-
2013
- 2013-07-02 CN CN2013102738453A patent/CN103322154A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1746335A (en) * | 1928-06-05 | 1930-02-11 | Romac Motor Accessories Ltd | Multiple-cylinder reciprocatory pump and fluid-actuated motor of the swash-plate type |
| US2913911A (en) * | 1958-01-09 | 1959-11-24 | Bendix Westinghouse Automotive | Motion translating device |
| US3405563A (en) * | 1966-10-24 | 1968-10-15 | William Hagen Co Inc | Variable stroke mechanism |
| CH684357A5 (en) * | 1991-03-28 | 1994-08-31 | Eduard Kaufmann | Continuously variable transmission |
| CN101571112B (en) * | 2008-04-28 | 2011-11-09 | 株式会社丰田自动织机 | Variable displacement type compressor with displacement control mechanism |
| CN101696721A (en) * | 2009-05-27 | 2010-04-21 | 北京联合大学 | Swash plate guide-rod rotary stepless transmission |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591243A (en) * | 2013-12-02 | 2014-02-19 | 赵子健 | Rotary device |
| CN111498583A (en) * | 2020-05-26 | 2020-08-07 | 江苏安澜万锦电子股份有限公司 | Double bull copper foil is around belting |
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Application publication date: 20130925 |
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