CN204082758U - A kind of hydraulic servo actuator - Google Patents
A kind of hydraulic servo actuator Download PDFInfo
- Publication number
- CN204082758U CN204082758U CN201420445171.0U CN201420445171U CN204082758U CN 204082758 U CN204082758 U CN 204082758U CN 201420445171 U CN201420445171 U CN 201420445171U CN 204082758 U CN204082758 U CN 204082758U
- Authority
- CN
- China
- Prior art keywords
- end cap
- piston rod
- mounting groove
- hole
- guide
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of hydraulic servo actuator, comprise cylinder body and piston rod, described cylinder body thereon, infraoral is provided with upper end cap and lower end cap, described lower end cap bottom is fixedly installed the guide of a hollow, the bottom of above-mentioned piston rod extend in the inner via hole of guide, described guide underpart from top to bottom order is installed with cylinder cap and displacement transducer fixed block, described cylinder cap and displacement transducer fixed block are installed with the displacement transducer cylindrical with hollow hole, one end of institute's displacement sensors cylindrical extends in the intermediate throughholes of piston rod, in the middle through hole of displacement transducer cylindrical, displacement transducer inner core is installed, institute's displacement sensors inner core is threaded and one extends into piston rod intermediate throughholes by through hole in displacement transducer cylindrical and be fixed on the top of piston rod intermediate throughholes.This kind of hydraulic servo actuator has that structure is simple, stable, the advantage not available for existing product such as good airproof performance, long service life.
Description
Technical field
The utility model relates to the conventional device of a kind of technical field of mechanical equipment, is particularly usually used in a kind of hydraulic servo actuator of dynamic fatigue test machine.
Background technique
Dynamic fatigue test machine is a machinery for fatigue of materials, life test, and it, as a equipment of fatigue of materials, life test test, has very important effect in material testing machine industry.
In all kinds of dynamic fatigue test machines of current extensive use on market at home, wherein the device of pipe fitting is exactly actuator, makes piston rod realize its working procedure along the inner moving linearly of cylinder sleeve by leading to oil to the cylinder sleeve inside cavity of actuator.But in existing actuator, when system oil pressure impacts or inner guiding deviation is excessive, in real work, piston rod, there are wearing and tearing in various degree and pull between cylinder sleeve and Sealing, there is the hidden danger of reduced lifespan in equipment.In view of this, the purpose of this utility model is to provide a kind of new technological scheme to solve existing technological deficiency.
Model utility content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of hydraulic servo actuator, solves the technological deficiencies such as existing actuator easily occurs wearing and tearing, pulls, shortening in working life.
The utility model solves the technological scheme that its technical problem adopts:
A kind of hydraulic servo actuator, comprise the cylinder body with piston rod orbit oilhole and to be interiorly set in described piston rod orbit oilhole and there is the piston rod of intermediate throughholes, described cylinder body is upper its piston rod orbit oilhole, infraoral is installed with sheathed upper end cap on the piston rod and lower end cap, described lower end cap bottom is fixedly installed the guide of a hollow, the bottom of above-mentioned piston rod extend in the inner via hole of guide, described guide underpart from top to bottom order is installed with cylinder cap and displacement transducer fixed block, described cylinder cap and displacement transducer fixed block are installed with the displacement transducer cylindrical with hollow hole, one end of institute's displacement sensors cylindrical extends in the intermediate throughholes of piston rod, in the middle through hole of displacement transducer cylindrical, displacement transducer inner core is installed, institute's displacement sensors inner core is threaded and one extends into piston rod intermediate throughholes by through hole in displacement transducer cylindrical and be fixed on the top of piston rod intermediate throughholes.
As the improvement of technique scheme, the intermediate throughholes top of described piston rod is provided with collet lock screw and extension rod position adjusting screw, the collet for clamping displacement transducer inner core extension rod is provided with in described collet lock screw, the free end of described displacement sensor inner core extension rod to extend in collet and is fixedly clamped by collet, described collet lock screw, extension rod position adjusting screw is threaded with piston rod intermediate throughholes top, described collet be placed in state collet lock screw inner and with state collet lock screw inner thread and be connected.
As the further improvement of technique scheme, described collet be one have straight-through in orifice, its end is provided with the claw type structure be divided into by multiple square hole, and one end of described displacement transducer inner core extension rod extend in the straight-through endoporus of collet and by the claw type structure of collet and clamps.
As the further improvement of technique scheme, this spy of upper end cap dust ring, upper end cap guide ring and upper end cap is installed between described piston rod upper outside wall and described upper end cap inner hole wall seal, upper end cap O RunddichtringO is installed between described upper end cap and cylinder body, this spy of lower end cap dust ring, lower end cap guide ring and lower end cap is installed between described underpart of the piston rod outer side wall and described lower end cap inner hole wall seal, lower end cap O RunddichtringO is installed between described lower end cap and cylinder body.
As the further improvement of technique scheme, described upper end cap is a cylindrical body with middle through hole, it comprises large end and small end, the small end of upper end cap extend in the piston rod orbit oilhole of cylinder body, described upper end cap inner hole wall is provided with upper end cap guide ring mounting groove, upper end cap this special envelope mounting groove and upper end cap dust ring mounting groove, a ladder position is formed between the large end of described upper end cap and small end, described ladder position place is provided with upper end cap O RunddichtringO mounting groove, above-mentioned upper end cap dust ring, upper end cap guide ring, this special envelope of upper end cap and upper end cap O RunddichtringO are arranged on upper end cap dust ring mounting groove respectively, upper end cap guide ring mounting groove, upper end cap this spy seal in mounting groove and upper end cap O RunddichtringO mounting groove.
As the further improvement of technique scheme, described lower end cap is a cylindrical body with middle through hole, it comprises front end, middle-end and end, the front end of lower end cap extend in the piston rod orbit oilhole of cylinder body, through-hole wall is provided with lower end cap guide ring mounting groove in described lower end cap, lower end cap this special envelope mounting groove and lower end cap dust ring mounting groove, a ladder position is formed between the front end of described lower end cap and middle-end, described ladder position place is provided with lower end cap O RunddichtringO mounting groove, above-mentioned lower end cap dust ring, lower end cap guide ring, this special envelope of lower end cap and lower end cap O RunddichtringO are arranged on lower end cap dust ring mounting groove respectively, lower end cap guide ring mounting groove, lower end cap this spy seal in mounting groove and lower end cap O RunddichtringO mounting groove.
As the further improvement of technique scheme, the neutral position of described piston rod has the annular relief coordinated with cylinder body inner piston rod orbit oilhole, is provided with piston guide ring and Glais ring between described annular relief and piston rod orbit oilhole inwall.
As the further improvement of technique scheme, the annular relief of described piston rod is provided with piston guide ring mounting groove and Glais ring mounting groove, above-mentioned piston guide ring and Glais ring are arranged in described piston guide ring mounting groove and Glais ring mounting groove respectively.
As the further improvement of technique scheme, central position, described cylinder cap one end is provided with the guide lower end mounting groove being fixed on guide lower end, cylinder cap center offers for keeping away a hole by the sensor of sensor, described displacement transducer cylindrical bottom is placed in described sensor and keeps away a hole, and described sensor fixed block is fixedly installed on the bottom of cylinder cap.
As the further improvement of technique scheme, be arranged with the guide sleeve that has middle through hole in the inner via hole bottom of described guide, institute's displacement sensors cylindrical is through the inner via hole of guide sleeve.
The beneficial effects of the utility model are: the utility model provides a kind of hydraulic servo actuator, the cylinder body of this kind of actuator passes through integral casting forming, there is good shockproof properties, upper end cap, lower end cap, guide, the main body part of the straight line motion of cylinder body composition piston rod, the straight line motion of piston rod relies on, lower end cap and cylinder body three part common guarantee, wherein, guide can carry out preliminary correcting to piston rod, then on relying on, preliminary correcting and 3 guiding relations are set up in the support of lower end cap guide ring, thus actuator can be made better to do straight line motion, the wearing and tearing of Sealing and piston rod can not be accelerated because of over-tilting, even pull Sealing, actuator cylinder interior, prevent Sealing, the main parts size such as piston rod and cylinder body reduced lifespan causes the whole service life affecting equipment.This kind of hydraulic servo actuator solves the technological deficiencies such as existing actuator easily occurs wearing and tearing, pulls, shortening in working life.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the assembling schematic diagram of the utility model embodiment;
Fig. 2 is the structural representation of cylinder body in the utility model embodiment;
Fig. 3 is the structural representation of piston rod in the utility model embodiment;
Fig. 4 is the structural representation of upper end cap in the utility model embodiment;
Fig. 5 is the structural representation of lower end cap in the utility model embodiment;
Fig. 6 is the structural representation of guide in the utility model embodiment;
Fig. 7 is the structural representation of cylinder cap in the utility model embodiment;
Fig. 8 is the structural representation of another angle of cylinder cap in the utility model embodiment;
Fig. 9 is the structural representation of cylinder cap the 3rd angle in the utility model embodiment;
Figure 10 is the structural representation of displacement transducer fixed block in the utility model embodiment;
Figure 11 is the cut-away illustration of displacement transducer fixed block in the utility model embodiment;
Figure 12 is the structural representation of cylinder cap standing screw in the utility model embodiment;
Figure 13 is the structural representation of displacement transducer inner core extension rod in the utility model embodiment;
Figure 14 is the structural representation of the utility model embodiment Elastic chuck;
Figure 15 is the structural representation of the utility model embodiment Elastic chuck lock screw;
Figure 16 is the structural representation of extension rod position adjusting screw in the utility model embodiment.
Embodiment
Be clearly and completely described below with reference to embodiment and the accompanying drawing technique effect to design of the present utility model, concrete structure and generation, to understand the purpose of this utility model, characteristic sum effect fully.Obviously; described embodiment is a part of embodiment of the present utility model, instead of whole embodiment, based on embodiment of the present utility model; other embodiments that those skilled in the art obtains under the prerequisite not paying creative work, all belong to the scope of the utility model protection.In addition, all connection/annexations related in patent, not singly refer to that component directly connects, and refer to and according to concrete performance, can connect auxiliary by adding or reducing, and form more excellent connecting structure.The utility model create in each technical characteristics, can combination of interactions under the prerequisite of not conflicting conflict, with reference to Fig. 1-16.
Concrete with reference to Fig. 1, a kind of Novel hydraulic servo actuator, comprise piston rod 1, extension rod position adjusting screw 2, collet 3, collet lock screw 4, upper end cap 5, cylinder body 6, lower end cap 7, displacement transducer inner core extension rod 8, displacement transducer cylindrical 9, guide sleeve 10, displacement transducer inner core 11, guide 12, cylinder cap 13, displacement transducer fixed block 14, dust ring 15, upper end cap guide ring 16, 18, this special envelope 17 of upper end cap, 20, upper end cap O RunddichtringO 19, piston guide ring 21, 23, Glais ring 22, this special envelope 24 of lower end cap, 27, lower end cap O RunddichtringO 25, lower end cap guide ring 26, 28, lower end cap dust ring 29, nut 30, cylinder cap standing screw 31.
With reference to Fig. 2, described cylinder body 6 is the cast member of the T-shaped frame shape of an axial cutting plane, and cylinder body 6 central position is provided with piston rod orbit oilhole 6a, and upper and lower end face is provided with the tapped hole 6b be threaded with upper end cap 5, lower end cap 6.
With reference to Fig. 3, described piston rod 1 is for having the cylindrical body of three coaxial cavities, and three coaxial cavities of cylinder body 6 are linked to be the intermediate throughholes of cylinder body 6; Described piston rod 1 comprises upper end 1a, stage casing 1b and lower end 1c, its inside is provided with intermediate throughholes, the stage casing 1b of piston rod 1 is provided with an annular relief, described intermediate throughholes is an inner chamber being provided with collet lock screw 4 and adjustment screw installation tapped hole 1d, 1a outer, piston rod 1 upper end is provided with piston rod 1 removable spike hole 1e, piston rod 1 stage casing 1b is provided with guide ring mounting groove 1f and Glais ring mounting groove 1g, and front and back are also provided with upper and lower shaft shoulder 1h, and there is cable fill mounting hole 1i piston rod 1 lower end.
With reference to Fig. 4, described upper end cap 5 comprises the cylindrical body of two coaxial cavities: upper end cap 5 is end 5a and small end 5b greatly, the cavity of its inside is an endoporus with upper end cap guide ring mounting groove 5c, this special envelope mounting groove 5d and upper end cap dust ring mounting groove 5e of upper end cap, hold greatly 5a to be provided with upper end cap O RunddichtringO mounting groove 5f at upper end cap 5, run through upper end cap 5 and hold greatly 5a and small end 5b to be provided with 8 countersunk screw hole 5g.
With reference to Fig. 5, described lower end cap 7 is a cylindrical body with three coaxial cavities: lower end cap 7 comprises front end 7a, stage casing 7b and end 7c, the cavity of its inside is an endoporus being provided with lower end cap guide ring mounting groove 7d, this special envelope mounting groove 7e and lower end cap dust ring mounting groove 7f of lower end cap, lower end cap 7 end 7c is provided with guide's mounting hole 7g, be provided with lower end cap O RunddichtringO mounting groove 7h and cylinder cap standing screw installation tapped hole 7i at lower end cap 7 stage casing 7b, run through lower end cap 7 stage casing 7b and front end 7a and be provided with 8 countersunk screw hole 7j.
With reference to Fig. 6, described guide 12 is a cylindrical body with hollow hole;
With reference to Fig. 7, Fig. 8, Fig. 9, described cylinder cap 6 is a positive tetragonal body part: four corner locations of cylinder cap 6 offer 4 via hole 13a, cylinder cap 6 central position is provided with guide lower end mounting groove 13b and a hole 13c kept away by sensor, and back is provided with square groove 13d and 2 screw hole 13e.
With reference to Figure 10, Figure 11, described sensor fixed block 14 is for rectangular-shaped: be provided with cylinder boss 14a in the middle of sensor fixed block 14 lower end, neutral position, upper end is provided with L-type square groove 14b and runs through upper and lower end, sensor mounting hole 14c, lower cable-through hole 14d, has clamping countersunk screw hole and rear cable-through hole after sensor fixed block;
With reference to Figure 12, described cylinder cap standing screw 31 is the threaded solid cylinder of upper and lower end tool.
With reference to Figure 13, described displacement transducer inner core extension rod 8 is for establishing threaded solid cylinder in one end.
With reference to Figure 14, the collet 3 of institute's displacement sensors inner core extension rod 8 comprises upper end and has the cone 3b that the cylindrical body 3a of cavity and lower end have cavity circle: the top and bottom of collet 3, its internal cavities is a straight-through endoporus 3c, there is interior hexagonal removal hole 3d upper end, there is screw thread 3e cylindrical body 3a outside, and cone 3b is divided into claw type structure 3f by 5 square holes 6.
With reference to Figure 15, described collet lock screw 4 is a cylindrical body with cavity: the cavity of collet lock screw 4 is the endoporus 4b comprising that collet tightens up hole 4a and retaining thread, its outside is provided with clamping screw retaining thread 4c, and its upper end is provided with a word opening 4d.
With reference to Figure 16, described extension rod position adjusting screw 2 is a cylindrical body: the week of extension rod position adjusting screw 2, there was interior hexagonal dismounting hole 2b its upper end, and its underpart is provided with collet position spacing hole 2c along being provided with adjustment screw retaining thread 2a.
A kind of hydraulic servo actuator that the utility model provides, it is basic with cylinder body 6, piston rod 1 is arranged in the orbit oil groove 6a of cylinder body 6, piston guide ring 21,23 is arranged on the guiding that ensure that piston rod 1 medium position in the 1f of hole, piston Glais ring 22 is arranged in the 1g of hole, ensure that the sealing of match bar 1 upper and lower cavity in cylinder body 6 of living, contact with the spacing of shaft shoulder 1i on piston rod 1 the sphere of activities limiting piston rod 1 by the small end end face 5b of upper end cap 5, the upper end end face 7a of lower end cap 7, the small end 5b of upper end cap 5 inserts in cylinder body orbit oilhole 6a, then fixed by 8 screw hole 5g, thus its small end 5b end face determines the upper operational limit position of piston rod 1, the fluid sealing between upper end cap 5 and cylinder body 6 is ensured in the upper end cap O RunddichtringO 19 load hole 5f that the large end 5a of upper end cap 5 establishes, the upper end cap guide ring 16 that endoporus is arranged, determine in 18 load hole 5c to lead in piston rod 1 upper end, can prevent dust from entering cylinder interior in upper end cap dust ring 15 load hole 5e and pollute fluid, this special envelope 17 of upper end cap, the fluid sealing between piston rod 1 and upper end cap 5 is ensure that in 20 load hole 5d, the front end 7a cylindrical of described lower end cap 7 inserts in cylinder body 6 orbit oilhole 6a, then fixed by 8 screw hole 7j, thus its front end 7a end face determines the lower operational limit position of piston rod 1, the fluid sealing between lower end cap 7 and cylinder body 6 is ensured in its middle-end lower end cap O RunddichtringO 25 load hole 7h, the lower end cap guide ring 26 that lower end cap 7 hollow hole inside is arranged, determine in 28 load hole 7d to lead in piston rod 1 lower end, can prevent dust from entering cylinder interior in described lower end cap dust ring 29 load hole 7f and pollute fluid, the fluid sealing between piston rod 1 and lower end cap 7 is ensure that in this special envelope of lower end cap 30 load hole 7e, described guide 12 cylindrical inserts inside lower end cap 7 end endoporus 7g, ensure that the preliminary guiding of piston rod 1 before doing straight line motion, guide 12 can be held from bottom by guide's mounting hole 7g, prevent guide 12 from coming off from lower end cap 7, sensor fixed block 14 uses screw to be arranged on cylinder cap 13 by displacement transducer cylindrical 9, pass through screw-driving, the distortion of L-type square groove 14b clamps sensor cylindrical 9, and sensor electrical cable is drawn by cable-through hole 14d, 14g, prevents by other foreign objects or damage of components, by the screw rod via hole 13a on cylinder cap 13, rely on nut 30 to lock, thus make cylinder cap 13 hold guide 12, play fixed effect, sensor inner core extension rod 8 threaded end and sensor inner core 11 tapped hole are threaded, and play prolongation object, collet 3 endoporus 3c inserts the polished end of sensor inner core extension rod 8, by the locking of collet retaining thread 4b on cylindrical outer screw thread 3e and lock screw 4, collet claw 3f is tightened up, reach the object that extension rod is fixing, extension rod position adjusting screw 2 is achieved a fixed connection by external screw-thread 2a and piston rod 1 cavity internal thread 1d.
More than that better enforcement of the present utility model is illustrated, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and these equivalent distortion or replacement are all included in the application's claim limited range.
Claims (10)
1. a hydraulic servo actuator, it is characterized in that: comprise the cylinder body with piston rod orbit oilhole and to be interiorly set in described piston rod orbit oilhole and there is the piston rod of intermediate throughholes, described cylinder body is upper its piston rod orbit oilhole, infraoral is installed with sheathed upper end cap on the piston rod and lower end cap, described lower end cap bottom is fixedly installed the guide of a hollow, the bottom of above-mentioned piston rod extend in the inner via hole of guide, described guide underpart from top to bottom order is installed with cylinder cap and displacement transducer fixed block, described cylinder cap and displacement transducer fixed block are installed with the displacement transducer cylindrical with hollow hole, one end of institute's displacement sensors cylindrical extends in the intermediate throughholes of piston rod, in the middle through hole of displacement transducer cylindrical, displacement transducer inner core is installed, institute's displacement sensors inner core is threaded and one extends into piston rod intermediate throughholes by through hole in displacement transducer cylindrical and be fixed on the top of piston rod intermediate throughholes.
2. a kind of hydraulic servo actuator according to claim 1, it is characterized in that: the intermediate throughholes top of described piston rod is provided with collet lock screw and extension rod position adjusting screw, the collet for clamping displacement transducer inner core extension rod is provided with in described collet lock screw, the free end of described displacement sensor inner core extension rod to extend in collet and is fixedly clamped by collet, described collet lock screw, extension rod position adjusting screw is threaded with piston rod intermediate throughholes top, described collet be placed in state collet lock screw inner and with state collet lock screw inner thread and be connected.
3. a kind of hydraulic servo actuator according to claim 2, it is characterized in that: described collet be one have straight-through in orifice, its end is provided with the claw type structure be divided into by multiple square hole, and one end of described displacement transducer inner core extension rod to extend in the straight-through endoporus of collet and clamped by the claw type structure () of collet.
4. a kind of hydraulic servo actuator according to claim 1, it is characterized in that: this spy of upper end cap dust ring, upper end cap guide ring and upper end cap is installed between described piston rod upper outside wall and described upper end cap inner hole wall and seals, upper end cap O RunddichtringO is installed between described upper end cap and cylinder body, this spy of lower end cap dust ring, lower end cap guide ring and lower end cap is installed between described underpart of the piston rod outer side wall and described lower end cap inner hole wall seal, lower end cap O RunddichtringO is installed between described lower end cap and cylinder body.
5. a kind of hydraulic servo actuator according to claim 4, it is characterized in that: described upper end cap is a cylindrical body with middle through hole, it comprises large end and small end, the small end of upper end cap extend in the piston rod orbit oilhole of cylinder body, described upper end cap inner hole wall is provided with upper end cap guide ring mounting groove, upper end cap this special envelope mounting groove and upper end cap dust ring mounting groove, a ladder position is formed between the large end of described upper end cap and small end, described ladder position place is provided with upper end cap O RunddichtringO mounting groove, above-mentioned upper end cap dust ring, upper end cap guide ring, this special envelope of upper end cap and upper end cap O RunddichtringO are arranged on upper end cap dust ring mounting groove respectively, upper end cap guide ring mounting groove, upper end cap this spy seal in mounting groove and upper end cap O RunddichtringO mounting groove.
6. a kind of hydraulic servo actuator according to claim 4, it is characterized in that: described lower end cap is a cylindrical body with middle through hole, it comprises front end, middle-end and end, the front end of lower end cap extend in the piston rod orbit oilhole of cylinder body, through-hole wall is provided with lower end cap guide ring mounting groove in described lower end cap, lower end cap this special envelope mounting groove and lower end cap dust ring mounting groove, a ladder position is formed between the front end of described lower end cap and middle-end, described ladder position place is provided with lower end cap O RunddichtringO mounting groove, above-mentioned lower end cap dust ring, lower end cap guide ring, this special envelope of lower end cap and lower end cap O RunddichtringO are arranged on lower end cap dust ring mounting groove respectively, lower end cap guide ring mounting groove, lower end cap this spy seal in mounting groove and lower end cap O RunddichtringO mounting groove.
7. a kind of hydraulic servo actuator according to claim 1, it is characterized in that: the neutral position of described piston rod has the annular relief coordinated with cylinder body inner piston rod orbit oilhole, is provided with piston guide ring and Glais ring between described annular relief and piston rod orbit oilhole inwall.
8. a kind of hydraulic servo actuator according to claim 7, it is characterized in that: the annular relief of described piston rod is provided with piston guide ring mounting groove and Glais ring mounting groove, above-mentioned piston guide ring and Glais ring are arranged in described piston guide ring mounting groove and Glais ring mounting groove respectively.
9. a kind of hydraulic servo actuator according to claim 1, it is characterized in that: central position, described cylinder cap one end is provided with the guide lower end mounting groove being fixed on guide lower end, cylinder cap center offers for keeping away a hole by the sensor of sensor, described displacement transducer cylindrical bottom is placed in described sensor and keeps away a hole, and described sensor fixed block is fixedly installed on the bottom of cylinder cap.
10. a kind of hydraulic servo actuator according to claim 1, is characterized in that: be arranged with the guide sleeve that has middle through hole in the inner via hole bottom of described guide, and institute's displacement sensors cylindrical is through the inner via hole of guide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420445171.0U CN204082758U (en) | 2014-08-07 | 2014-08-07 | A kind of hydraulic servo actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420445171.0U CN204082758U (en) | 2014-08-07 | 2014-08-07 | A kind of hydraulic servo actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204082758U true CN204082758U (en) | 2015-01-07 |
Family
ID=52175481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420445171.0U Active CN204082758U (en) | 2014-08-07 | 2014-08-07 | A kind of hydraulic servo actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204082758U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114398A (en) * | 2015-09-21 | 2015-12-02 | 海门市油威力液压工业有限责任公司 | High-response electro-hydraulic shaft controller |
| CN107345534A (en) * | 2017-08-25 | 2017-11-14 | 大连理工大学 | One kind is without friction service actuator |
| CN108072562A (en) * | 2017-11-28 | 2018-05-25 | 中国航发沈阳发动机研究所 | Hollow actuator |
| CN109211165A (en) * | 2018-08-02 | 2019-01-15 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of pressurized strut displacement sensor embedded locking structure |
-
2014
- 2014-08-07 CN CN201420445171.0U patent/CN204082758U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114398A (en) * | 2015-09-21 | 2015-12-02 | 海门市油威力液压工业有限责任公司 | High-response electro-hydraulic shaft controller |
| CN107345534A (en) * | 2017-08-25 | 2017-11-14 | 大连理工大学 | One kind is without friction service actuator |
| CN108072562A (en) * | 2017-11-28 | 2018-05-25 | 中国航发沈阳发动机研究所 | Hollow actuator |
| CN109211165A (en) * | 2018-08-02 | 2019-01-15 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of pressurized strut displacement sensor embedded locking structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204082758U (en) | A kind of hydraulic servo actuator | |
| CN104595678A (en) | Double-channel pressure-injection type lubricating nozzle | |
| CN205129724U (en) | Device is installed and removed to deep hole end cap | |
| CN203641224U (en) | Positioning stud | |
| CN105490243A (en) | Sealed isolation connector | |
| CN203696544U (en) | Taper shank converting sleeve for machine tool spindle | |
| CN210290817U (en) | Oil seal cover | |
| CN102818023A (en) | Sealing structure of fabrication hole | |
| CN208734692U (en) | A kind of Quick fastening solid lock for LED display | |
| CN105958232A (en) | Pin-type connector of communication cable | |
| CN105221522A (en) | Oil cylinder cover magnetic force anti-loose structure | |
| CN205446439U (en) | Anti -drop output shaft | |
| CN203873353U (en) | Electric drive push rod fixing structure | |
| CN210530998U (en) | Speed limiting valve | |
| CN219888721U (en) | Single-cylinder conical broken taper sleeve sealing dustproof structure | |
| CN202914499U (en) | Novel sealing nut | |
| CN205047888U (en) | Self -align top mounted formula ball valve of combination disk seat direction | |
| CN209909251U (en) | Valve clack sealing assembly | |
| CN219432766U (en) | High-adaptation precise hose plug | |
| CN204420174U (en) | Thread bush stack valve seat top-loading ball valve | |
| CN203822738U (en) | Cylinder sleeve honing clamping oil cylinder | |
| CN202442009U (en) | Mounting structure for signal wires on cases | |
| CN217234737U (en) | Threaded sleeve with good sealing performance | |
| CN220667992U (en) | Piston connecting device for lightweight hydraulic cylinder | |
| CN202660070U (en) | Wired laterally-inclined cable guiding device for direction well |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |