CN205639159U - Hydraulic actuator with anti -lock effect - Google Patents
Hydraulic actuator with anti -lock effect Download PDFInfo
- Publication number
- CN205639159U CN205639159U CN201620454309.2U CN201620454309U CN205639159U CN 205639159 U CN205639159 U CN 205639159U CN 201620454309 U CN201620454309 U CN 201620454309U CN 205639159 U CN205639159 U CN 205639159U
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- Prior art keywords
- piston
- chamber
- axis
- valve
- shell fragment
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- Withdrawn - After Issue
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Abstract
The utility model discloses a hydraulic actuator with anti -lock effect, include: a machine support. The gear shaft, the cylinder body, rack piston, the booster, anti -lock device, anti -lock device is fixed to be set up rack piston's one end, and be located the cylinder body, anti -lock when anti -lock device is used for the rack piston motion, anti -lock device includes: a piston, the piston is including holding chamber, third chamber, centering shaft, two at least little runners and two at least big runners, the rill says that circumference evenly distributed is in in the piston, big runner circumference evenly distributed is in in the piston, the piston valve, the piston valve is used for preventing the fluid motion of third intracavity, the piston valve passes through the shaft hole cover of piston valve is established centering shaft is last, and shell fragment, the shell fragment is used for blockking fluid motion in the little runner. The utility model discloses simple structure, the locking phenomenon when reducing piston motion produces, operates steadily.
Description
Technical field
This utility model relates to a kind of hydraulic actuator device, is specifically related to a kind of liquid with anti-lock effect
Pressure executor.
Background technology
Now, the range of application of hydraulic actuator is more and more extensive, owing to hydraulic oil is the most collapsible, so liquid
Pressure executor easily occurs piston locking situation in motor process, and locking is exactly when motion, executor's phase
To motion, producing and slide, frictional force increases, and sideslip, out of control and sideslip etc. easily occurs, destroys and shadow
Acoustic system, so needing to install antilock device, the when that anti-lock being exactly soon locking, reduces prevention power,
Executor is made seemingly to stop non-stopping, the most repeatedly, but the hydraulic actuator volume at present with anti-lock effect is big,
Structure is complicated, is therefore badly in need of a kind of simple in construction, it is possible to the anti-lock that has of the installation that application space is limited is made
Hydraulic actuator.
Utility model content
This utility model is for the problems referred to above, it is provided that a kind of simple in construction, and locking when reducing piston movement is existing
As producing, operating steadily, it is possible to the hydraulic actuator with anti-lock effect of the installation that application space is limited.
The technical scheme in the invention for solving the above technical problem is:
A kind of hydraulic actuator with anti-lock effect, wherein, including: frame；Gear shaft, described
Gear shaft is movably arranged in described frame；Cylinder body, described cylinder body is fixedly installed on the upper end of described frame；
Rack piston, described rack piston is movably arranged in described cylinder body, and described rack piston and described gear
Axle is meshed；Supercharger, described supercharger is connected to one end of described cylinder body；Antilock device, described anti-
Braking system is fixedly installed on one end of described rack piston, and is positioned at cylinder body, and with described supercharger position
In the same side of described frame, described antilock device anti-lock when rack piston moves, wherein,
Described antilock device includes: piston, described piston include accommodate chamber, the 3rd chamber, centration axis, at least two
Individual small flow channels and the big runner of at least two, described receiving chamber is positioned at one end of described piston, and described receiving chamber
The axis coaxle of axis and described piston, described centration axis is positioned at the other end of described piston, and described fixed
The axle center of mandrel and the axis coaxle of described piston, described small flow channels circumference is evenly distributed in described piston,
Described big runner circumference is evenly distributed in described piston, and described small flow channels make described receiving chamber with described greatly
Runner communicates, and described big runner makes the inner chamber of described cylinder body communicate with the 3rd chamber of described piston；Piston valve,
Described piston valve is for stoping the fluid of described 3rd intracavity to move, and described piston valve is by described piston valve
Shaft hole sleeve is located in described centration axis, makes the valve body of described piston valve fit with described piston, and described axis hole
The axis coaxle of axis and described piston valve；And shell fragment, described shell fragment is embedded the receiving chamber at described piston
In, the fluid motion within stopping described small flow channels of the described shell fragment, described shell fragment includes several arcuate grooves
Group, several liquid storage cylinders and fixing axle, several arcuate groove group circumferences are evenly distributed on the cylindrical of described shell fragment
On cylinder, several liquid storage cylinder circumferences are evenly distributed in described shell fragment, and the axis of described fixing axle is with described
The axis coaxle of shell fragment, and described liquid storage cylinder communicates with described fixing axle.
Further, described piston also includes first paragraph, second segment and that from left to right diameter increases successively
Three sections, described centration axis is fixedly installed on the right flank of described 3rd section.
Further, described piston also includes the first chamber and the second chamber, described first chamber, the second chamber and
Three chambeies are cannelure, and described first chamber is arranged on the right flank of described 3rd section, and described second chamber is arranged
On the left surface in described first chamber, described 3rd chamber is arranged on the left surface in described second chamber.
Further, described piston valve also includes that connection dish, annular edge and annular boss, described connection dish set
Put on the right side of described valve body, and coaxial with described valve body, described antilock device is by described connection
Dish is fixedly installed on one end of described rack piston, and described annular edge is fixedly installed on the outside cylinder of described valve body
On face, described annular boss is fixedly installed on the left side of described valve body, and coaxial with described valve body.
Further, described piston valve also includes first annular groove and locating slot, described first annular groove position
On the left side of described valve body, described locating slot is positioned on the left side of described annular boss, and described
The axis of one cannelure, the axis of described locating slot and the axis coaxle of described valve body.
Further, described piston valve embeds the first intracavity of described piston by described annular boss, makes
The bottom surface of described first annular groove, the bottom surface of described locating slot fit with the left surface of described piston, are used for
Seal and location.
Further, described arcuate groove group includes the first arcuate groove and the second arcuate groove, described first arcuate groove
It is disposed adjacent with the second arcuate groove.
Further, described liquid storage cylinder includes elastic groove and at least one through hole, and described elastic groove is annular bar
Hole, described through hole makes the inner chamber of described elastic groove communicate with the inner chamber of described fixing axle.
The utility model has the advantages that:
1. this utility model has anti-lock effect；
2. this utility model mechanism is simple, volume is little, easy for installation；
3. this utility model is safe and reliable, operate steadily.
In addition to objects, features and advantages described above, this utility model also have other purpose,
Feature and advantage.Below with reference to figure, this utility model is described in further detail.
Accompanying drawing explanation
Constitute the part of this specification, be used for being further appreciated by accompanying drawing of the present utility model and show this reality
With novel preferred embodiment, and it is used for principle of the present utility model is described together with description.In the accompanying drawings:
Fig. 1 is perspective view of the present utility model；
Fig. 2 is the structural representation of antilock device of the present utility model；
Fig. 3 be piston of the present utility model partly cut open structural representation；
Fig. 4 be piston valve of the present utility model partly cut open structural representation；And
Fig. 5 is the front view of shell fragment of the present utility model.
Wherein, figure is labeled as:
1 be frame, 2 be gear shaft, 3 be cylinder body, 4 be rack piston, 5 be supercharger, 6 for antilock
Dead device, 61 be piston, 611 for accommodate chamber, 612 be first paragraph, 613 be second segment, 614 be the
Three sections, 6141 be the first chamber, 6142 be the second chamber, 6143 be the 3rd chamber, 615 for centration axis, 616
For small flow channels, 617 be big runner, 62 be piston valve, 621 be connection dish, 622 be valve body, 623 be
Annular edge, 624 be first annular groove, 625 for annular boss, 626 for locating slot, 627 for axis hole, 63
For shell fragment, 631 for arcuate groove group, 6311 be the first arcuate groove, 6312 be the second arcuate groove, 632 for storage
Sap cavity, 6321 be elastic groove, 6322 be through hole, 633 be fixing axle.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but this utility model can
Implement with the multitude of different ways being defined by the claims and covering.
Referring to figs. 1 to Fig. 5, a kind of hydraulic actuator with anti-lock effect as shown in Figure 1, wherein,
Including: frame 1, gear shaft 2, cylinder body 3, rack piston 4, supercharger 5 and antilock device 6, institute
State gear shaft 2 to be movably arranged in described frame 1, carry out oscillating motion；Described cylinder body 3 is fixedly installed on
The upper end of described frame 1；Described rack piston 4 is movably arranged in described cylinder body 3, and described tooth bar is lived
Plug 4 is meshed with described gear shaft 2, and the linear motion of described rack piston 4 is converted into described gear shaft
The swing of 2；Described supercharger 5 is connected to one end of described cylinder body 3；Described antilock device 6 is fixing to be set
Put the one end at described rack piston 4, and be positioned at cylinder body 3, and be positioned at described machine with described supercharger 5
The same side of frame 1, the described antilock device 6 anti-lock when rack piston 4 moves.
As shown in Figures 2 and 3, described antilock device 6 includes: piston 61, and described piston 61 includes
Accommodate chamber 611, from left to right diameter increase successively first paragraph 612, second segment 613 and the 3rd section 614,
First chamber 6143, the 6141, second chamber the 6142, the 3rd, chamber, centration axis 615, at least two small flow channels 616
Runner 617 big with at least two, described receiving chamber 611 is positioned at one end of described piston 61, and described appearance
Receiving the axis in chamber 611 and the axis coaxle of described piston 61, described receiving chamber 611 is cylindrical；Described
First the 6141, second chamber, chamber 6142 and the 3rd chamber 6143 are cannelure, and described first chamber 6141 is arranged
On the right flank of described 3rd section 614, described second chamber 6142 is arranged on the left side in described first chamber 6141
On side, and communicating with described first chamber 6141, described 3rd chamber 6143 is arranged on described second chamber 6142
Left surface on, and communicate with described second chamber 6142；Described centration axis 615 is positioned at described piston 61
The other end, and be fixedly installed on the right flank of described 3rd section 614, and the axle center of described centration axis 615
Axis coaxle with described piston 61；Described small flow channels 616 circumference is evenly distributed in described piston 61,
One is to maintain all directions stress equalization in described receiving chamber 611；Two when being to have avoided small flow channels 616 to block
Described antilock device 6 lost efficacy；Described big runner 617 circumference is evenly distributed in described piston 61, and one
It is to maintain described piston 61 circumference stress equalization；Two described anti-locks when being to have avoided big runner 617 to block
Device 6 lost efficacy；Described small flow channels 616 makes described receiving chamber 611 communicate with described big runner 617, described
Big runner 617 makes the inner chamber of described cylinder body 3 communicate with the 3rd chamber 6143 of described piston 61, described cylinder body
Hydraulic oil in 3 passes through described big runner 617, is partly into the 6141, second chamber 6142, described first chamber
With the 3rd chamber 6143, a part is entered in described receiving chamber 611 by the throttling of described small flow channels 616.
As shown in Figure 2 and Figure 4, described antilock device 6 also includes: piston valve 62, described piston valve
The 62 fluid motions within stoping the 6141, second chamber, described first chamber 6142 and the 3rd chamber 6143, institute
State piston valve 62 to be set in described centration axis 615 by the axis hole 627 of described piston valve 62, make described
The valve body 622 of piston valve 62 is fitted with described piston 61, and the axis of described axis hole 627 and described piston
The axis coaxle of valve 62.
As shown in Figure 4, described piston valve 62 also includes connection dish 621, annular edge 623, annular boss
625, first annular groove 624 and locating slot 626, described connection dish 621 is arranged on described valve body 622
On right side and coaxial with described valve body 622, described antilock device 6 is solid by described connection dish 621
Surely one end of described rack piston 4 it is arranged on；Described annular edge 623 is fixedly installed on described valve body 622
On external cylindrical surface, increase the intensity of described valve body 622；Described annular boss 625 is fixedly installed on described valve
On the left side of body 622 and coaxial with described valve body 622, it is used for increasing intensity at axle center, it is to avoid pressure
Bend time excessive；Described first annular groove 624 is positioned on the left side of described valve body 622；Described locating slot
On 626 left sides being positioned at described annular boss 625 and the axis of described first annular groove 624, described
The axis of locating slot 626 and the axis coaxle of described valve body 622.
As in figure 2 it is shown, described piston valve 62 embeds described piston 61 by described annular boss 625
In first chamber 6141, make the bottom surface of described first annular groove 624, the bottom surface of described locating slot 626 and institute
The left surface stating piston 61 fits, and is used for sealing and positioning, and is used for keeping out and flows from described big runner 617
The hydraulic oil gone out flows out.
As shown in Figure 2 and Figure 5, described antilock device 6 also includes: shell fragment 63, described shell fragment 63
It is embedded in the receiving chamber 611 of described piston 61, in described shell fragment 63 is used for stopping described small flow channels 616
Fluid motion, motor process adjusts pressure in described cylinder body 3 at any time, it is to avoid motion locking or not
Steadily.
As it is shown in figure 5, described shell fragment 63 includes several arcuate groove groups 631, several liquid storage cylinders 632
With fixing axle 633, several arcuate groove group 631 circumferences are evenly distributed on the external cylindrical surface of described shell fragment 63
On, several liquid storage cylinder 632 circumferences are evenly distributed in described shell fragment 63, the axle of described fixing axle 633
The axis coaxle of line and described shell fragment 63, and described liquid storage cylinder 632 communicates with described fixing axle 633；Its
In, described arcuate groove group 631 includes the first arcuate groove 6311 and the second arcuate groove 6312, described first arc
Shape groove 6311 and the second arcuate groove 6312 are disposed adjacent；Described liquid storage cylinder 632 includes elastic groove 6321 He
At least one through hole 6322, described elastic groove 6321 is annular cylindrical void, and described through hole 6322 makes described bullet
The property inner chamber of groove 6321 communicates with the inner chamber of described fixing axle 633.
As in figure 2 it is shown, when the pressure in cylinder body 3 described in motor process is steady, hydraulic oil passes through institute
State arcuate groove group 631 and enter in described receiving chamber 611, entered by described elastic groove 6321 and through hole 6322
Entering the inner chamber of described fixing axle 633, make external and internal pressure equalize, described shell fragment 63 is indeformable；When being moved through
When pressure in cylinder body 3 described in journey increases suddenly, hydraulic oil passes through described rill from described big runner 617
Road 616 acceleration that throttles is entered in described receiving chamber 611, and described elastic groove 6321 deforms, and makes described arc
Groove group 631 is opened and described receiving chamber 611 inner wall sealing, and described receiving chamber 611 inner capacities increases, it is to avoid
Locking in described rack piston 4 motor process；When the pressure in cylinder body 3 described in motor process reduces suddenly
Time, hydraulic oil enters in described cylinder body 3 by the throttling of described small flow channels 616 and described big runner 617, institute
State elastic groove 6321 restore to the original state or diminish, it is to avoid unstable in described rack piston 4 motor process.
These are only preferred embodiment of the present utility model, be not limited to this utility model, for
For those skilled in the art, this utility model can have various modifications and variations.All at this utility model
Spirit and principle within, any modification, equivalent substitution and improvement etc. made, should be included in this practicality
Within novel protection domain.
Claims (8)
1. a hydraulic actuator with anti-lock effect, it is characterised in that including:
Frame (1)；
Gear shaft (2), described gear shaft (2) is movably arranged in described frame (1)；
Cylinder body (3), described cylinder body (3) is fixedly installed on the upper end of described frame (1)；
Rack piston (4), described rack piston (4) is movably arranged in described cylinder body (3), and
Described rack piston (4) is meshed with described gear shaft (2)；
Supercharger (5), described supercharger (5) is connected to one end of described cylinder body (3)；
Antilock device (6), described antilock device (6) is fixedly installed on described rack piston (4)
One end, and be positioned at cylinder body (3), and be positioned at described frame (1) with described supercharger (5)
The same side, described antilock device (6) for rack piston (4) move time anti-lock, its
In, described antilock device (6) including:
Piston (61), described piston (61) include accommodate chamber (611), the 3rd chamber (6143),
Centration axis (615), at least two small flow channels (616) and the big runner of at least two (617), institute
State and accommodate chamber (611) and be positioned at one end of described piston (61), and described receiving chamber (611)
Axis and the axis coaxle of described piston (61), described centration axis (615) is positioned at described piston
(61) the other end, and the axle of the axle center of described centration axis (615) and described piston (61)
Line is coaxial, and described small flow channels (616) circumference is evenly distributed in described piston (61), described
Big runner (617) circumference is evenly distributed in described piston (61), and described small flow channels (616)
Described receiving chamber (611) is made to communicate with described big runner (617), described big runner (617)
The inner chamber of described cylinder body (3) is made to communicate with the 3rd chamber (6143) of described piston (61)；
Piston valve (62), in described piston valve (62) is used for stoping described 3rd chamber (6143)
Fluid motion, described piston valve (62) is by the axis hole (627) of described piston valve (62)
It is set in described centration axis (615), makes valve body (622) and the institute of described piston valve (62)
State piston (61) laminating, and the axis of described axis hole (627) and described piston valve (62)
Axis coaxle；
With shell fragment (63), described shell fragment (63) is embedded the receiving chamber (611) at described piston (61)
In, described shell fragment (63) is used for stopping that the fluid in described small flow channels (616) moves, described
Shell fragment (63) includes several arcuate groove groups (631), several liquid storage cylinders (632) and fixes
Axle (633), several arcuate groove group (631) circumferences are evenly distributed on described shell fragment (63)
On external cylindrical surface, several liquid storage cylinders (632) circumference is evenly distributed in described shell fragment (63),
The axis of described fixing axle (633) and the axis coaxle of described shell fragment (63), and described liquid storage
Chamber (632) communicates with described fixing axle (633).
The hydraulic actuator with anti-lock effect the most according to claim 1, it is characterised in that described
Piston (61) also includes first paragraph (612), the second segment (613) that from left to right diameter increases successively
With the 3rd section (614), described centration axis (615) is fixedly installed on the right side of described 3rd section (614)
On side.
The hydraulic actuator with anti-lock effect the most according to claim 2, it is characterised in that described
Piston (61) also includes the first chamber (6141) and the second chamber (6142), described first chamber (6141),
Second chamber (6142) and the 3rd chamber (6143) are cannelure, and described first chamber (6141) is arranged
On the right flank of described 3rd section (614), described second chamber (6142) is arranged on described first chamber
(6141), on left surface, described 3rd chamber (6143) is arranged on described second chamber (6142)
On left surface.
The hydraulic actuator with anti-lock effect the most according to claim 1, it is characterised in that described
Piston valve (62) also includes connection dish (621), annular edge (623) and annular boss (625), institute
State connection dish (621) to be arranged on the right side of described valve body (622), and with described valve body (622)
Coaxially, described antilock device (6) is fixedly installed on described tooth bar by described connection dish (621)
One end of piston (4), described annular edge (623) is fixedly installed on the cylindrical of described valve body (622)
On cylinder, described annular boss (625) is fixedly installed on the left side of described valve body (622),
And it is coaxial with described valve body (622).
The hydraulic actuator with anti-lock effect the most according to claim 4, it is characterised in that described
Piston valve (62) also includes first annular groove (624) and locating slot (626), described first annular groove
(624) being positioned on the left side of described valve body (622), described locating slot (626) is positioned at described ring
On the left side of shape boss (625), and the axis of described first annular groove (624), described location
The axis of groove (626) and the axis coaxle of described valve body (622).
The hydraulic actuator with anti-lock effect the most according to claim 5, it is characterised in that described
Piston valve (62) embeds first chamber (6141) of described piston (61) by described annular boss (625)
In, make the bottom surface of described first annular groove (624), described locating slot (626) bottom surface with described
The left surface of piston (61) fits, and is used for sealing and positioning.
The hydraulic actuator with anti-lock effect the most according to claim 1, it is characterised in that described
Arcuate groove group (631) includes the first arcuate groove (6311) and the second arcuate groove (6312), described
One arcuate groove (6311) and the second arcuate groove (6312) are disposed adjacent.
The hydraulic actuator with anti-lock effect the most according to claim 1, it is characterised in that described
Liquid storage cylinder (632) includes elastic groove (6321) and at least one through hole (6322), described elastic groove
(6321) be annular cylindrical void, described through hole (6322) make the inner chamber of described elastic groove (6321) with
The inner chamber of described fixing axle (633) communicates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620454309.2U CN205639159U (en) | 2016-05-18 | 2016-05-18 | Hydraulic actuator with anti -lock effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620454309.2U CN205639159U (en) | 2016-05-18 | 2016-05-18 | Hydraulic actuator with anti -lock effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205639159U true CN205639159U (en) | 2016-10-12 |
Family
ID=57057819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620454309.2U Withdrawn - After Issue CN205639159U (en) | 2016-05-18 | 2016-05-18 | Hydraulic actuator with anti -lock effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205639159U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864143A (en) * | 2016-05-18 | 2016-08-17 | 德施普科技发展温州有限公司 | Hydraulic actuator with anti-lock function |
-
2016
- 2016-05-18 CN CN201620454309.2U patent/CN205639159U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864143A (en) * | 2016-05-18 | 2016-08-17 | 德施普科技发展温州有限公司 | Hydraulic actuator with anti-lock function |
| CN105864143B (en) * | 2016-05-18 | 2017-11-03 | 林泽 | A kind of hydraulic actuator acted on anti-lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161012 Effective date of abandoning: 20171103 |