CN202955063U - Hydraulic locking mechanism - Google Patents
Hydraulic locking mechanism Download PDFInfo
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- CN202955063U CN202955063U CN 201220673436 CN201220673436U CN202955063U CN 202955063 U CN202955063 U CN 202955063U CN 201220673436 CN201220673436 CN 201220673436 CN 201220673436 U CN201220673436 U CN 201220673436U CN 202955063 U CN202955063 U CN 202955063U
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- net
- locking
- hydraulic
- locking mechanism
- oil sac
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Abstract
The utility model provides a hydraulic locking mechanism. The hydraulic locking mechanism comprises a mechanism cylinder body, a flange end cover, a hydraulic cylinder piston rod, a hydraulic oil bag, an elastically deformable locking mesh, an axial support sleeve, and a mesh support ring, wherein the locking mesh and the mesh support ring are sheathed on the piston rod; a gap is kept between the locking mesh and the piston rod; the mesh support ring is mounted on both ends of the locking mesh through screws; the hydraulic oil bag is sheathed on the outer side of the locking mesh and keeps contact with the mesh; the axial support sleeve is mounted on the outer side of the oil bag; the mechanism cylinder body is arranged on the outer side of the axial support sleeve; and an oil inlet connected with the hydraulic oil bag extends to the outside through a hole on the cylinder body. The hydraulic locking mechanism provided by the utility model has the advantages of easy manufacturing, convenient maintenance, small size, quick response, high reliability and so on.
Description
Technical field
The utility model relates to a kind of self-locking hydraulic cylinder locking mechanism, particularly a kind of hydraulic locking mechanism that resiliently deformable realization locking occurs under action of hydraulic force by resilient metal member.
Background technique
In hydraulic system, using oil hydraulic cylinder during as final controlling element, sometimes need to make oil hydraulic cylinder at an arbitrary position or a certain fixed position keeps stopping and bearing certain load force, at this moment oil hydraulic cylinder needs locking, be widely used at present oil hydraulic circuit and reach this purpose, but at special dimensions such as aircraft, submersibles, as each minute separation of aircraft door, submarine etc., while perhaps the final controlling element working position being equipped with to high-precision requirement, oil hydraulic circuit locking is difficult to meet reliability requirement.
Summary of the invention
The model utility purpose: the utility model provides a kind of hydraulic locking mechanism, its objective is the solution not high problem of oil hydraulic circuit reliable lock in the past.A kind of improved hydraulic locking mechanism of the utility model design, it has easy to manufacture, easy to maintenance, and volume is little, response is fast, the reliability high.
Technological scheme:
A kind of hydraulic locking mechanism is characterized in that: this hydraulic locking mechanism comprises: the locking net of mechanism's cylinder body, flange end cap, hydraulic cylinder piston rod, hydraulic pressure oil sac, elastically deformable, axially support cover and net support ring; Locking net and net support ring are enclosed within on piston rod, leave gap between locking net and piston rod, the net support ring is arranged on the two ends of locking net with screw, the hydraulic pressure oil sac is enclosed within the outside of locking net, and contact with net, the axially support cover is arranged on the outside of oil sac, and the outside of axially support cover is mechanism's cylinder body; The filler opening of connecting fluid force feed capsule reaches outer end by the hole on cylinder body.
Mechanism's cylinder body locks its circumferential position with positioning screwn, and mechanism's cylinder body is compressed by end cap.
The antifriction that the locking net is whole is wear-resisting and tin bronze good springiness is made overlaps or is inlaid with the antifriction cover of tin bronze, and the mesh on the locking net is rectangular track type or ellipse.
The locking net is comprised of two-part, comprise fixedly end block of main body and second, the first fixed end on main body is screwed on net support ring at one end, second fixed end and second of main body fixedly end block riveted joint is integrated, second fixedly end block by set screw, be fixed on the net support ring of the other end.
Main body with second fixedly between end block for inclined-plane is connected, fixedly on the inclined-plane between end block, scribble sealant layer in main body and second.
0.02% to 0.1% of the short locking net of the length length of the Length Ratio axially support cover of locking net.
The main body of hydraulic pressure oil sac is made by plastics or rubber, in the inside of oil sac wall, embeds the layer of metal net.
The hydraulic pressure oil sac is the inner hollow structure that is provided with cavity.
The hydraulic pressure oil sac is plastics or rubber paster, with Bond, be attached on the locking net, and two ends is pressed on the locking net by compressing baffle plate, and locking net now is integral type.
The axially support cover is divided into a plurality of parts diametrically, and each part is arc-shaped structure, all leaves logical hydraulic fluid port on every part.
Advantage and effect: the utility model is a kind of hydraulic locking mechanism, and this hydraulic locking mechanism comprises locking net, axially support cover, hydraulic pressure oil sac, net support ring and positioning screwn.The net support ring is arranged on the two ends of locking net, the hydraulic pressure oil sac is enclosed within on the locking net, being filled with high pressure oil compressing locking net generation resiliently deformable in oil sac holds piston rod tightly and realizes hydraulic cylinder self locking, the axially support cover is arranged on the outside of oil sac, the length of its Length Ratio locking net is long by 0.02% to 0.1%, net can be strutted.
The beneficial effects of the utility model are:
(1) the locking net has high elasticity, while therefore locking, respond flexibly, and anti-bending, the life-span is long;
(2) adopt and to there is flexible hydraulic pressure oil sac and carry out the liquid carrying force feed, make the in-house leakage that do not produce;
(3) this locking mechanism structure is simple, is easy to manufacture, and installation, maintenance is convenient.
The accompanying drawing explanation:
Fig. 1 is general structure schematic diagram of the present utility model;
The schematic diagram at the position that the circle that Fig. 2 is Fig. 1 in the utility model indicates;
The another kind of structural representation that Fig. 3 is Fig. 1;
The perspective view that Fig. 4 is the axially support cover;
Fig. 5 is the decomposing schematic representation of this axially support cover;
The perspective view that Fig. 6 is connected with plastics or rubber paster for the locking net;
Fig. 7 is the perspective view of locking net;
Fig. 8 is the structural representation of the another kind of form of locking net.
Embodiment:Below in conjunction with accompanying drawing, the utility model is further described:
As shown in Figure 1, the utility model provides a kind of hydraulic locking mechanism, and this hydraulic locking mechanism comprises: mechanism's cylinder body 4, flange end cap 5, hydraulic cylinder piston rod 6, hydraulic pressure oil sac 11, locking net 12, axially support cover 13 and net support ring 14; Locking net 12 and net support ring 14 are enclosed within on piston rod 6, between the locking net 12 of elastically deformable and piston rod 6, leave ，Gai gap, gap satisfy condition for: lock net 12 and can hold piston rod 6 tightly when resiliently deformable occur locking net 12; Net support ring 14 use screws are arranged on the two ends of locking net 12, and hydraulic pressure oil sac 11 is enclosed within the outside of locking net 12, and contacts with net 12, and axially support cover 13 is arranged on the outside of oil sac 11, and the outside of axially support cover 13 is mechanism's cylinder body 4; The filler opening A of connecting fluid force feed capsule 11 reaches outer end by the hole on cylinder body.
Mechanism's cylinder body 4 use positioning screwn 3 its circumferential positions of locking, mechanism's cylinder body 4 is compressed by end cap 5.
The antifriction that locking net 12 is whole is wear-resisting and tin bronze good springiness is made overlaps or is inlaid with the antifriction cover of tin bronze, and the mesh on locking net 12 is rectangular track type or ellipse.
Locking net 12 is comprised of two-part, comprise fixedly end block 122 of main body 121 and second, the first fixed end on main body 121 is with on the fixing net support ring 14 at one end of screw 7, second fixed end and second of main body 121 fixedly end block 122 riveted joint is integrated, second fixedly end block 122 by set screw 2, be fixed on the net support ring 14 of the other end.
0.02% to 0.1% of short locking net 12 length of length of the Length Ratio axially support cover 13 of locking net 12.
The main body of hydraulic pressure oil sac 11 is made by plastics or rubber, in the inside of oil sac wall, embeds layer of metal net 111.
Hydraulic pressure oil sac 11 for inner be provided with cavity 1 hollow structure.
As figure hydraulic pressure oil sac 11 is plastics or rubber paster 15, with Bond 131, be attached on the locking net, and two ends are pressed on the locking net by compressing baffle plate 16, locking net now is integral type.
Axially support cover 13 is divided into a plurality of parts diametrically, and each part is arc-shaped structure, all leaves logical hydraulic fluid port on every part.
As shown in Figure 2, locking net 12 of the present utility model is comprised of two-part, and wherein 121 for locking the main bodys of net, 122 the second fixed ends for the locking net.During installation, first by the main body of net 12 by the first fixed end with screw 7(as Fig. 1) be fixed on net support ring 14, then hydraulic pressure oil sac 11 is enclosed within on locking net 12, finally at the sloped contact surface B(of locking net two- part 121 and 122 as Fig. 2) on smear one deck sealer after, both are connected together and use the method for riveted joint to make it to become one, then the second fixed end 122 is fixed on the net support ring 14 of the other end by set screw 2.Axially support cover 13 is arranged on the outside of oil sac 11, because its internal diameter is less than the external diameter of net support ring 14, so as shown in Figure 4, the axially support cover is comprised of a plurality of circular arc portions, and every part all leaves logical hydraulic fluid port, its Length Ratio locking net 12 is long by 0.02% to 0.1% simultaneously, is beneficial to it is strutted vertically; After the locking device integral installation, pass piston rod 6 and be arranged in mechanism's cylinder body 4, with positioning screwn 3 its circumferential positions of locking, finally being compressed by the end cap 5 on cylinder body.
Hydraulic locking mechanism described in the utility model is applicable to need the oil hydraulic cylinder of self-locking.
When needs are locked, by filler opening A, to the interior oiling of hydraulic pressure oil sac 11, under the effect of hydraulic oil, resiliently deformable occurs and holds piston rod 6 tightly in hydraulic pressure oil sac 11 compressing locking nets 12, reaches the locking purpose.And layer of metal net 111 is arranged in the wall of hydraulic pressure oil sac 11, prevent that the hydraulic pressure oil sac protrudes the mesh of locking net 12 under pressure, cause the infringement to the hydraulic pressure oil sac, as shown in Figure 2.
When piston rod need to move, the oil circuit pressure release that filler opening A connects, resiliently deformable does not occur in locking net 12, returns to original position, with piston rod 6, separates, and piston rod 6 just can unrestricted motion.
As shown in Figure 5, the hydraulic pressure oil sac 11 in Fig. 1 is replaced by a kind of plastics or rubber paster 15 to the mode of another kind of liquid carrying force feed of the present utility model, with Bond 131, is attached on locking net 12, as shown in Figure 6; And two ends are pressed on the locking net by compressing baffle plate 16, and locking net 12 now is integral type.
In the utility model, the mesh of related locking net has two kinds of shapes, as shown in Figure 7, Figure 8.
Claims (10)
1. a hydraulic locking mechanism, it is characterized in that: this hydraulic locking mechanism comprises: the locking net (12) of mechanism's cylinder body (4), flange end cap (5), hydraulic cylinder piston rod (6), hydraulic pressure oil sac (11), elastically deformable, axially support cover (13) and net support ring (14); Locking net (12) and net support ring (14) are enclosed within on piston rod (6), leave gap between locking net (12) and piston rod (6), net support ring (14) is arranged on the two ends of locking net (12) with screw, hydraulic pressure oil sac (11) is enclosed within the outside of locking net (12), and contact with net (12), axially support cover (13) is arranged on the outside of oil sac (11), and the outside of axially support cover (13) is mechanism's cylinder body (4); The filler opening (A) of connecting fluid force feed capsule (11) reaches outer end by the hole on cylinder body.
2. a kind of hydraulic locking mechanism according to claim 1, it is characterized in that: mechanism's cylinder body (4) locks its circumferential position with positioning screwn (3), and mechanism's cylinder body (4) is compressed by end cap (5).
3. a kind of hydraulic locking mechanism according to claim 1, it is characterized in that: the antifriction that locking net (12) is whole is wear-resisting and tin bronze good springiness is made overlaps or is inlaid with the antifriction cover of tin bronze, and the mesh on locking net (12) is rectangular track type or ellipse.
4. a kind of hydraulic locking mechanism according to claim 3, it is characterized in that: locking net (12) is comprised of two-part, comprise fixedly end block (122) of main body (121) and second, on the fixing net support ring (14) at one end of the first screw for fixed end (7) on main body (121), second fixed end and second of main body (121) fixedly end block (122) riveted joint is integrated, second fixedly end block (122) by set screw (2), be fixed on the net support ring (14) of the other end.
5. a kind of hydraulic locking mechanism according to claim 4, it is characterized in that: main body (121) with second fixedly between end block (122) for inclined-plane is connected, fixedly on the inclined-plane between end block (122), scribble sealant layer in main body (121) and second.
6. a kind of hydraulic locking mechanism according to claim 1, is characterized in that: 0.02% to 0.1% of the short locking net of length (12) length of the Length Ratio axially support cover (13) of locking net (12).
7. a kind of hydraulic locking mechanism according to claim 1, it is characterized in that: the main body of hydraulic pressure oil sac (11) is made by plastics or rubber, in the inside of oil sac wall, embeds layer of metal net (111).
8. a kind of hydraulic locking mechanism according to claim 1 is characterized in that: hydraulic pressure oil sac (11) is provided with the hollow structure of cavity (1) for inside.
9. a kind of hydraulic locking mechanism according to claim 1, it is characterized in that: hydraulic pressure oil sac (11) is plastics or rubber paster, with Bond, be attached on the locking net, and two ends are pressed on the locking net by compressing baffle plate (16), locking net now is integral type.
10. a kind of hydraulic locking mechanism according to claim 1, it is characterized in that: axially support cover (13) is divided into a plurality of parts diametrically, and each part is arc-shaped structure, all leaves logical hydraulic fluid port on every part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220673436 CN202955063U (en) | 2012-12-10 | 2012-12-10 | Hydraulic locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220673436 CN202955063U (en) | 2012-12-10 | 2012-12-10 | Hydraulic locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202955063U true CN202955063U (en) | 2013-05-29 |
Family
ID=48460639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220673436 Expired - Fee Related CN202955063U (en) | 2012-12-10 | 2012-12-10 | Hydraulic locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202955063U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979784A (en) * | 2012-12-10 | 2013-03-20 | 沈阳工业大学 | Hydraulic locking mechanism |
| CN103591078A (en) * | 2013-10-21 | 2014-02-19 | 江苏恒神纤维材料有限公司 | Lightweight high-strength carbon fiber composite hydrocylinder |
| CN105040748A (en) * | 2015-07-21 | 2015-11-11 | 宋博琪 | Oil cylinder rod self-locking sleeve device used in foundation pile self-balancing load detection load box |
| CN110125442A (en) * | 2019-06-06 | 2019-08-16 | 无锡润和叶片制造有限公司 | Automatic hydraulic tailstock |
-
2012
- 2012-12-10 CN CN 201220673436 patent/CN202955063U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979784A (en) * | 2012-12-10 | 2013-03-20 | 沈阳工业大学 | Hydraulic locking mechanism |
| CN102979784B (en) * | 2012-12-10 | 2016-05-25 | 沈阳工业大学 | A kind of hydraulic locking mechanism |
| CN103591078A (en) * | 2013-10-21 | 2014-02-19 | 江苏恒神纤维材料有限公司 | Lightweight high-strength carbon fiber composite hydrocylinder |
| CN105040748A (en) * | 2015-07-21 | 2015-11-11 | 宋博琪 | Oil cylinder rod self-locking sleeve device used in foundation pile self-balancing load detection load box |
| CN110125442A (en) * | 2019-06-06 | 2019-08-16 | 无锡润和叶片制造有限公司 | Automatic hydraulic tailstock |
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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: 20130529 Termination date: 20171210 |