CN201526553U - Hydraulic rotation device - Google Patents
Hydraulic rotation device Download PDFInfo
- Publication number
- CN201526553U CN201526553U CN2009200343877U CN200920034387U CN201526553U CN 201526553 U CN201526553 U CN 201526553U CN 2009200343877 U CN2009200343877 U CN 2009200343877U CN 200920034387 U CN200920034387 U CN 200920034387U CN 201526553 U CN201526553 U CN 201526553U
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- cylinder
- piston
- cylinder body
- end cap
- sleeve
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Abstract
The utility model discloses a hydraulic rotation device. The hydraulic rotation device comprises a cylinder and a cylinder jacket piston which is provided in the cylinder and is formed by connecting an annular piston head and a piston sleeve. A cylindrical cylinder rod is axially provided in a pipe chamber of the cylinder jacket piston. The inner wall at one end of the cylinder is provided with internal thread. The outer circle of the piston sleeve is provided with external thread corresponding with the internal screw. The inner wall of the piston sleeve is provided with inner splines. The outer periphery of the cylinder rod is provided with outer splines corresponding with the inner splines. The cylinder, the cylinder jacket piston and the cylinder rod are sequentially connected movably through the engagement between the internal thread and the external thread and the engagement between the inner spline and the outer spline. One end of the cylinder rod is integrally provided with an end cover 1, and the other end is connected with an end cover 2 through thread. Two end covers are respectively provided in two ports of the cylinder rotatablely. The hydraulic rotation device has the advantages of reasonable design, novel structure, small volume, large rotation torque and angle, safe and reliable operation, and suitability for widely using for various machines with low speed, large torque and rotation angle in 0-360 DEG.
Description
Technical field
The utility model relates to a kind of mechanical type whirligig, is specifically related to a kind of slewing area at 0-360 ° hydraulic rotating device.
Background technique
In numerous areas such as metallurgy, mine and engineering machinery, need a kind of compact structure, can realize the slow-speed of revolution, high pulling torque, and only need hydraulic pressure installation 0-360 ° of scope rotation.On the market, present product has only the supply of pinion and-rack hydraulic pressure oscillating oil cylinder at home.Its structural principle is: the hydraulic oil promotion is set up the hydraulic jack of tooth bar and is done flexible straight line motion, and the rotation of rack drives gear produces rotatablely moving of machinery.Its shortcoming is: gear is one-sided stressed, easy tooth-breaking, and apparatus structure is huge, is unfavorable for installing.
The model utility content
The purpose of this utility model is the deficiency that exists at prior art, a kind of novel structure is provided, makes simple, with low cost, the slow-speed of revolution, the hydraulic rotating device of high pulling torque.
For achieving the above object, the technical solution adopted in the utility model is: a kind of hydraulic rotating device, it is characterized in that: it comprises that one is cylindric and be provided with the cylinder body of oil inlet and outlet at two end part, and be axially disposed within the cylinder body and by the cylinder sleeve piston that annular piston head and piston sleeve connect to form, the tube chamber that is positioned at the cylinder sleeve piston axially is provided with columned cylinder bar; The inwall of described cylinder body one end is provided with internal thread, be positioned at the corresponding outside thread that is provided with described internal thread on the cylindrical of piston sleeve, the inwall that is positioned at piston sleeve is provided with internal spline, be positioned at the corresponding external splines that is provided with described internal spline on the cylindrical of cylinder bar, described cylinder body, cylinder sleeve piston and cylinder bar flexibly connect successively by the engagement of internal thread and outside thread and internal spline and external splines; One end of described cylinder bar has been wholely set end cap No. one, and the other end of cylinder bar is connected with No. two end caps by screw thread; An end cap and No. two end caps rotate respectively and are arranged in the described cylinder body two-port, are provided with in the described port to be used to limit an end cap and No. two axially movable step seams of end cap.
The utility model compared with prior art has the following advantages:
The utility model is reasonable in design, novel structure, and volume is little, and rotation torque and angle of swing are big, and reliable operation, safety can be widely used in the slow-speed of revolution, high pulling torque, corner and be 0-360 ° all kinds of machineries.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model cylinder body.
Fig. 3 is that the A of Fig. 2 is to view.
Fig. 4 is the utility model cylinder sleeve structure of piston schematic representation.
Fig. 5 is that the B of Fig. 4 is to view.
Fig. 6 is the structural representation of the utility model cylinder bar.
Fig. 7 is that the C of Fig. 6 is to view.
Embodiment
The utility model will be further described below in conjunction with accompanying drawing.
As Fig. 1～shown in Figure 7, the utility model comprise one cylindric and be provided with the cylinder body 1 of oil inlet and outlet 2 at two end part and be axially disposed within cylinder body 1 in, by the cylinder sleeve piston 3 that annular piston head 4 and piston sleeve 5 connect to form, the tube chamber that is positioned at cylinder sleeve piston 3 axially is provided with columned cylinder bar 6; The inwall of described cylinder body 1 one ends is provided with internal thread 8, be positioned on the cylindrical of piston sleeve 5 and the described internal thread 8 corresponding outside threads 9 that are provided with, the inwall that is positioned at piston sleeve 5 is provided with internal spline 10, be positioned on the cylindrical of cylinder bar 6 and the described internal spline 10 corresponding external spliness 11 that are provided with, described cylinder body 1, cylinder sleeve piston 3 and cylinder bar 6 flexibly connect with the engagement of external splines 11 successively by internal thread 8 and outside thread 9, internal spline 10; One end of described cylinder bar 6 has been wholely set end cap 12 No. one, and the other end of cylinder bar 6 is connected with No. two end caps 13 by screw thread; An end cap 12 and No. two end caps 13 rotate respectively and are arranged in described cylinder body 1 two-port, are provided with in the described port to be used to limit an end cap 12 and No. two end cap 13 axially movable step seams 7.
In order to be connected with miscellaneous equipment, the output driving torque, in being provided with, the end of cylinder bar 6 stretches spline 14 or/and overhanging spline 15, the end face of cylinder body 1 is provided with cylinder body screw 24, the end face of an end cap 12 and No. two end caps 13 is provided with end cap screw 22, the bottom of described cylinder body 1 is provided with base 21, and base 21 is provided with base screw 23.
In order to prevent leakage of oil and to rotate flexibly, piston oil sealing 16 and piston bearing 17 are housed respectively on the cylindrical of described piston head 4 and the interior circle; End cap 12 and No. two end caps 13 are provided with end cap oil sealing 18 and end cap bearing 19 with the surface of contact of port; The cylindrical of cylinder bar 6 and No. two end cap 13 joints is provided with cylinder bar oil sealing 20.
In the utility model when work,, hydraulic oil alternately enters cylinder body 1 by the oil inlet and outlet 2 that is arranged on cylinder body 1 two ends or by discharging in the cylinder body 1.Under the effect of oil pressure, cylinder sleeve piston 3 is done between cylinder body 1 and cylinder bar 6 and is moved to axial.Because the outer surface of cylinder sleeve piston 3 is provided with the outside thread 9 of large screw pitch, and be meshed with internal thread 8 on being arranged on cylinder body 1, therefore, under the effect of internal thread 8, force cylinder sleeve piston 3 to rotate when straight line moves doing, this rotation is by the engagement of the external splines 11 on internal spline on the cylinder sleeve piston 3 10 and the cylinder bar 6, pass to cylinder bar 6, so, promptly produce relative rotary motion between cylinder body 1 and the cylinder bar 6, stretch spline 14 or/and overhanging spline 15 or by cylinder body screw 24 by interior, end cap screw 22 is connected with miscellaneous equipment with base screw 23, passs coupled mechanism thereby this rotation worn.
Claims (5)
1. hydraulic rotating device, it is characterized in that: it comprises that one is cylindric and be provided with the cylinder body (1) of oil inlet and outlet (2) at two end part, and the cylinder sleeve piston (3) that is axially disposed within the cylinder body (1) and connects to form by annular piston head (4) and piston sleeve (5), the tube chamber that is positioned at cylinder sleeve piston (3) axially is provided with columned cylinder bar (6); The inwall of described cylinder body (1) one end is provided with internal thread (8), be positioned at the corresponding outside thread (9) that is provided with described internal thread (8) on the cylindrical of piston sleeve (5), the inwall that is positioned at piston sleeve (5) is provided with internal spline (10), be positioned at the corresponding external splines (11) that is provided with described internal spline (10) on the cylindrical of cylinder bar (6), described cylinder body (1), cylinder sleeve piston (3) and cylinder bar (6) flexibly connect with the engagement of external splines (11) successively by internal thread (8) and outside thread (9) and internal spline (10); One end of described cylinder bar (6) has been wholely set an end cap (12), and the other end of cylinder bar (6) is connected with No. two end caps (13) by screw thread; An end cap (12) and No. two end caps (13) rotate respectively and are arranged in the two-port of described cylinder body (1), are provided with in the described port to be used to limit an end cap (12) and the axially movable step seams of No. two end caps (13) (7).
2. a kind of hydraulic rotating device according to claim 1 is characterized in that: the end of described cylinder bar (6) be provided be used for output torque in stretch spline (14) or/and overhanging spline (15).
3. a kind of hydraulic rotating device according to claim 1 is characterized in that: the end face of described cylinder body (1) is provided with cylinder body screw (24), and a described end cap (12) is provided with end cap screw (22) with the end face of No. two end caps (13).
4. according to claim 2 or 3 described a kind of hydraulic rotating devices, it is characterized in that: piston oil sealing (16) and piston bearing (17) are housed respectively on the cylindrical of described piston head (4) and the interior circle; A described end cap (12) and No. two end caps (13) are provided with end cap oil sealing (18) and end cap bearing (19) with the surface of contact of port; Described cylinder bar (6) is provided with cylinder bar oil sealing (20) with the cylindrical of No. two end caps (13) joint.
5. a kind of hydraulic rotating device according to claim 4 is characterized in that: the bottom of described cylinder body (1) is provided with base (21), and base (21) is provided with base screw (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200343877U CN201526553U (en) | 2009-08-31 | 2009-08-31 | Hydraulic rotation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200343877U CN201526553U (en) | 2009-08-31 | 2009-08-31 | Hydraulic rotation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201526553U true CN201526553U (en) | 2010-07-14 |
Family
ID=42517840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200343877U Expired - Fee Related CN201526553U (en) | 2009-08-31 | 2009-08-31 | Hydraulic rotation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201526553U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102286994A (en) * | 2011-07-07 | 2011-12-21 | 安徽惊天液压智控股份有限公司 | Multifunctional hydraulic wrist for digging machine |
| CN102490699A (en) * | 2011-11-10 | 2012-06-13 | 林志国 | Rotatable lifting support leg of vehicle |
| US10145393B2 (en) | 2016-06-17 | 2018-12-04 | Joyson Safety Systems Acquisition Llc | Linear actuator |
| CN111173801A (en) * | 2020-02-25 | 2020-05-19 | 江苏恒立液压股份有限公司 | Double-helix swing hydraulic cylinder |
-
2009
- 2009-08-31 CN CN2009200343877U patent/CN201526553U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102286994A (en) * | 2011-07-07 | 2011-12-21 | 安徽惊天液压智控股份有限公司 | Multifunctional hydraulic wrist for digging machine |
| CN102490699A (en) * | 2011-11-10 | 2012-06-13 | 林志国 | Rotatable lifting support leg of vehicle |
| CN102490699B (en) * | 2011-11-10 | 2013-12-18 | 林志国 | Rotatable lifting support leg of vehicle |
| US10145393B2 (en) | 2016-06-17 | 2018-12-04 | Joyson Safety Systems Acquisition Llc | Linear actuator |
| CN111173801A (en) * | 2020-02-25 | 2020-05-19 | 江苏恒立液压股份有限公司 | Double-helix swing hydraulic cylinder |
| CN111173801B (en) * | 2020-02-25 | 2022-05-17 | 江苏恒立液压股份有限公司 | Double-helix swing hydraulic cylinder |
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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: 20100714 Termination date: 20170831 |