CN105605023B - Fluid cushion rack-and-pinion cylinder - Google Patents
Fluid cushion rack-and-pinion cylinder Download PDFInfo
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- CN105605023B CN105605023B CN201510722375.3A CN201510722375A CN105605023B CN 105605023 B CN105605023 B CN 105605023B CN 201510722375 A CN201510722375 A CN 201510722375A CN 105605023 B CN105605023 B CN 105605023B
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- cylinder barrel
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- rack
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Abstract
This patent belongs to wheel rack-and-pinion cylinder peculiar to vessel field, specifically disclose fluid cushion rack-and-pinion cylinder, including hydraulic cylinder and guiding cylinder barrel, the hydraulic cylinder is detachably connected with guiding cylinder barrel, equipped with piston and the rack gear being connect with piston in the hydraulic cylinder, rotation axis is equipped in hydraulic cylinder, the gear being engaged with rack is installed in the rotation axis, it is characterized in that, the axial line of hydraulic cylinder is conllinear with the guiding axial line of cylinder barrel, end on rack gear far from piston is equipped with guide pad, which is bonded with guiding inner wall of cylinder；The bottom of the guiding cylinder barrel is equipped with liquid-holding pipe, and the inner hole of the liquid-holding pipe is connected to guiding cylinder barrel.The rack-and-pinion cylinder of this programme does not need replacement bolster in rack gear type frequently reciprocating.
Description
Technical field
The present invention relates to wheel rack-and-pinion cylinder peculiar to vessel fields, and in particular to a kind of fluid cushion rack-and-pinion cylinder.
Background technique
In mechanical transmission fields, rack-and-pinion cylinder is a kind of common mechanism for converting circular-rotation to linear motion.It is logical
Normal rack-and-pinion cylinder uses spring or rubber pad as bolster, however rubber pad has the shortcomings that not impact resistance, easy aging,
There is the shortcomings that easily getting rusty, fatigue damage in spring.Since in drive mechanism, rack gear is high-frequent reciprocating movement, therefore uses rubber
Pad or spring are that the rack-and-pinion cylinder service life of bolster is shorter, need to be replaced frequently rubber pad or spring, influence power train
The working efficiency of system.
It can be seen that being now badly in need of a kind of rack-and-pinion cylinder for not needing often to replace bolster.
Summary of the invention
The purpose of the present invention is to provide a kind of rack-and-pinion cylinders for not needing often to replace bolster.
In order to achieve the above objectives, technical scheme is as follows:
The base case that this programme provides are as follows: fluid cushion rack-and-pinion cylinder, including hydraulic cylinder and guiding cylinder barrel, the liquid
Cylinder pressure cylinder is detachably connected with guiding cylinder barrel, equipped with piston and the rack gear connecting with piston, hydraulic cylinder in the hydraulic cylinder
It is interior to be equipped with rotation axis, the gear being engaged with rack, the axial line of hydraulic cylinder and the axis of guiding cylinder barrel are installed in the rotation axis
Heart line is conllinear, and the end on rack gear far from piston is equipped with guide pad, which is bonded with guiding inner wall of cylinder；The guiding
The bottom of cylinder barrel is equipped with liquid-holding pipe, and the inner hole of the liquid-holding pipe is connected to guiding cylinder barrel.
The working principle and advantage of this programme are: when specifically used rack-and-pinion cylinder, will be packed into liquid-holding pipe first
Liquid, then gear rotation drive rack movement to move piston to the end close to hydraulic cylinder, make the liquid in hydraulic cylinder
Body is compressed, and guide pad is moved to the direction far from guiding cylinder barrel, and the liquid in liquid-holding pipe is flowed into guiding cylinder barrel；Work as gear
When opposite direction moves, gear band carry-over bar is moved to the direction far from hydraulic cylinder, is at this time negative pressure, guide pad in hydraulic cylinder
It is moved to close to the direction of guiding cylinder barrel end, the liquid being oriented in cylinder barrel, which flows to, forms liquid column in liquid-holding pipe, guide pad pair
Liquid acting, achievees the purpose that buffer guide pad, and then realizes and buffer to piston.
Preferred embodiment one: as the preferred embodiment of basic scheme, the junction of the guiding cylinder barrel and liquid-holding pipe is equipped with
Flow-stopping plate, the flow-stopping plate and guiding cylinder barrel pivot joint.Liquid flow when piston is moved to close hydraulic cylinder direction, in liquid-holding pipe
Into guiding cylinder barrel, liquid-driving flow-stopping plate makes to be oriented to cylinder barrel and the junction of liquid-holding pipe is shown in a fully open operation, facilitates liquid-holding pipe
In liquid flow rapidly to guiding cylinder barrel in.When piston far from hydraulic cylinder direction to when moving, guide pad is to close to guide cylinder
The direction movement of cylinder end, the liquid being oriented in cylinder barrel flow in liquid-holding pipe, and liquid-driving flow-stopping plate is swung, and flow-stopping plate makes to be oriented to
The combination of cylinder barrel and liquid-holding pipe is in half-open position, and then realizes and carry out current limliting to liquid, increases what guide pad did work to liquid
Difficulty improves buffering effect in turn.
Preferred embodiment two: as basic scheme or the preferred embodiment of preferred embodiment one: the hydraulic cylinder and guiding cylinder barrel
Flanged joint, guiding cylinder barrel be iron cylinder barrel, hydraulic cylinder and guiding cylinder barrel between be equipped with insulating washer, the hydraulic cylinder with
Guiding cylinder barrel is fixed by insulated bolt；The outer wall of the guiding cylinder barrel is equipped with electric storage means, and the electric storage means and guiding cylinder barrel are logical
Cross conducting wire connection；Liquid containing charged particle is housed in the liquid-holding pipe.
The advantages of this programme: it is powered by electric storage means to guiding cylinder barrel, makes to be oriented to cylinder barrel electrification, be oriented to the inner wall belt of cylinder barrel
Electricity will adsorb one layer of fluid film, in the inner wall of guiding cylinder barrel, when liquid being avoided to flow in guiding cylinder barrel, in guiding cylinder barrel
Wall washes away, and causes to be oriented to cylinder barrel inner wall abrasion.After being oriented to cylinder barrel energization, it is oriented to liquid in the electrode shape and liquid-holding pipe of inner wall of cylinder
The polarity of middle charged particle is opposite.
Preferred embodiment three: preferably two preferred embodiment: liquid-holding pipe is the L-type pipe that both ends are opening, contains liquid
One end of pipe is connect with guiding cylinder barrel, and the other end is equipped with filter screen.Liquid-holding pipe both ends are opening, facilitate and increase into liquid-holding pipe
Liquid.Filter screen prevents sundries from falling into liquid-holding pipe, influences the ingredient of liquid, and then the case where corrosion guiding cylinder barrel occurs.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of fluid present invention buffer gear cold rack cylinder embodiment.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail:
Appended drawing reference in Figure of description include: hydraulic cylinder 10, rack gear 11, rotation axis 12, gear 13, piston 14,
Guide pad 15, guiding cylinder barrel 20, moisture film 21, insulating washer 30, electric storage means 31, liquid-holding pipe 32, flow-stopping plate 33, filter screen 34, absolutely
Edge bolt 40.
Embodiment is substantially as shown in Fig. 1: fluid cushion rack-and-pinion cylinder, including hydraulic cylinder 10 and guiding cylinder barrel 20,
The hydraulic cylinder 10 and guiding cylinder barrel 20 are by flanged joint, between the flange of hydraulic cylinder 10 and the flange being oriented on cylinder barrel 20
Insulating washer 30 is installed, and two flanges are connected by insulated bolt 40.Be equipped in hydraulic cylinder 10 piston 14 and with work
The rack gear 11 of 14 welding of plug, the radially installed of hydraulic cylinder 10 have rotation axis 12, are equipped in the rotation axis 12 and nibble with rack gear 11
The axial line of the gear 13 of conjunction, hydraulic cylinder 10 is conllinear with the guiding axial line of cylinder barrel 20, and the right end of rack gear 11 is equipped with guiding
Block 15, the guide pad 15 are bonded with guiding 20 inner wall of cylinder barrel；The bottom of guiding cylinder barrel 20 is equipped with liquid-holding pipe 32, the liquid-holding pipe 32
Inner hole with guiding cylinder barrel 20 be connected to.The junction of guiding cylinder barrel 20 and liquid-holding pipe 32 is equipped with flow-stopping plate 33, the flow-stopping plate 33
It is pivotally connected with guiding cylinder barrel 20.Wherein, guiding cylinder barrel 20 is iron cylinder barrel, and liquid-holding pipe 32 is the L-type pipe that both ends are opening, contains liquid
The horizontal ends of pipe 32 are connect with guiding cylinder barrel 20, and vertical end is equipped with filter screen 34.
In addition, the outer wall of guiding cylinder barrel 20 is equipped with electric storage means 31, the electric storage means 31 and guiding cylinder barrel 20 are connected by conducting wire
It connects.
When specifically used rack-and-pinion cylinder, first from from the vertical end of liquid-holding pipe 32 into liquid-holding pipe 32 injection with negative
The water of charged particle.31 pairs of guiding cylinder barrels 20 of electric storage means are powered, and keep guiding cylinder barrel 20 positively charged.Then the rotation of gear 13 band carry-over bar
11 movements move downward piston 14, compress the liquid in hydraulic cylinder 10, and guide pad 15 is to also moving downward, liquid-holding pipe
Water in 32 is flowed into guiding cylinder barrel 20, at this time water slug flow-stopping plate 33, makes the junction for being oriented to cylinder barrel 20 and liquid-holding pipe 32
It is shown in a fully open operation.When 13 opposite direction of gear moves, gear 13 is moved right with carry-over bar 11, and guide pad 15 also moves right,
Water flow in guiding cylinder barrel 20 forms water column into liquid-holding pipe 32, and guide pad 15 does work to water, reaches and delay to guide pad 15
The purpose of punching, and then realize and piston 14 is buffered.
Water pushes flow-stopping plate 33 to swing, and flow-stopping plate 33 makes to be oriented to cylinder barrel 20 and the combination of liquid-holding pipe 32 is in half-open position,
And then realize and current limliting is carried out to water flow, increase guide pad 15 and buffering effect is improved in turn to the difficulty that liquid does work.
Be oriented to cylinder barrel 20 charge after, due to guiding cylinder barrel 20 it is positively charged, be flowed into guiding cylinder barrel 20 in water be it is negatively charged,
Therefore the inner wall for being oriented to cylinder barrel 20 will adsorb water membrane 21.When moisture film 21 avoids water from flowing in guiding cylinder barrel 20, water is to guiding
20 inner wall of cylinder barrel washes away, and causes to be oriented to 20 inner wall abrasion of cylinder barrel.
Term used in this specification " insulated bolt 40 " refers to: in the spiral shell of one layer of insulated paint of plain bolt external coating
Bolt.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific embodiment can be used for explaining the content of claim.
Claims (2)
1. fluid cushion rack-and-pinion cylinder, including hydraulic cylinder and guiding cylinder barrel, the hydraulic cylinder detachably connect with guiding cylinder barrel
It connects, equipped with piston and the rack gear connecting with piston in the hydraulic cylinder, hydraulic cylinder is interior to be equipped with rotation axis, pacifies in the rotation axis
Equipped with the gear being engaged with rack, which is characterized in that the axial line of hydraulic cylinder is conllinear with the guiding axial line of cylinder barrel, on rack gear
End far from piston is equipped with guide pad, which is bonded with guiding inner wall of cylinder；The bottom installation of the guiding cylinder barrel
There is liquid-holding pipe, the inner hole of the liquid-holding pipe is connected to guiding cylinder barrel；The junction of the guiding cylinder barrel and liquid-holding pipe is equipped with baffle
Plate, the flow-stopping plate and guiding cylinder barrel pivot joint；The hydraulic cylinder is connect with guide cylinder drum flange, and guiding cylinder barrel is iron cylinder barrel,
Insulating washer is equipped between hydraulic cylinder and guiding cylinder barrel, the hydraulic cylinder is fixed with guiding cylinder barrel by insulated bolt；Institute
The outer wall for stating guiding cylinder barrel is equipped with electric storage means, which is connect with guiding cylinder barrel by conducting wire；It is equipped in the liquid-holding pipe
Liquid containing charged particle.
2. fluid cushion rack-and-pinion cylinder according to claim 1, which is characterized in that liquid-holding pipe is that both ends are opening
One end of L-type pipe, liquid-holding pipe is connect with guiding cylinder barrel, and the other end is equipped with filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510722375.3A CN105605023B (en) | 2015-10-31 | 2015-10-31 | Fluid cushion rack-and-pinion cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510722375.3A CN105605023B (en) | 2015-10-31 | 2015-10-31 | Fluid cushion rack-and-pinion cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105605023A CN105605023A (en) | 2016-05-25 |
| CN105605023B true CN105605023B (en) | 2019-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510722375.3A Active CN105605023B (en) | 2015-10-31 | 2015-10-31 | Fluid cushion rack-and-pinion cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105605023B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106734488B (en) * | 2016-12-27 | 2018-09-21 | 重庆维庆液压机械有限公司 | Hydraulic cylinder for punching press |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR75406E (en) * | 1959-03-27 | 1961-06-09 | Screened device with pressurized fluid reciprocating motor | |
| US3156160A (en) * | 1963-02-15 | 1964-11-10 | Flo Tork Inc | Actuator |
| DE2540484A1 (en) * | 1975-09-11 | 1977-03-24 | Mueller Christine | Pneumatic pivot drive with two piston and cylinders - has pistons connected by rack and pinion which drives shaft |
| CN203717517U (en) * | 2014-03-13 | 2014-07-16 | 株洲联诚集团有限责任公司 | Novel oscillating cylinder with gear and shaft connected together |
| CN203796654U (en) * | 2013-12-31 | 2014-08-27 | 中船重工中南装备有限责任公司 | Gear rack cylinder |
-
2015
- 2015-10-31 CN CN201510722375.3A patent/CN105605023B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR75406E (en) * | 1959-03-27 | 1961-06-09 | Screened device with pressurized fluid reciprocating motor | |
| US3156160A (en) * | 1963-02-15 | 1964-11-10 | Flo Tork Inc | Actuator |
| DE2540484A1 (en) * | 1975-09-11 | 1977-03-24 | Mueller Christine | Pneumatic pivot drive with two piston and cylinders - has pistons connected by rack and pinion which drives shaft |
| CN203796654U (en) * | 2013-12-31 | 2014-08-27 | 中船重工中南装备有限责任公司 | Gear rack cylinder |
| CN203717517U (en) * | 2014-03-13 | 2014-07-16 | 株洲联诚集团有限责任公司 | Novel oscillating cylinder with gear and shaft connected together |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105605023A (en) | 2016-05-25 |
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Effective date of registration: 20201223 Address after: 402460 station 13, 10 / F, innovation and development center, 19 Lingfang Avenue, Changzhou street, Rongchang District, Chongqing Patentee after: Chongqing Xinrui Technology Service Co.,Ltd. Address before: 401147 No.255 Xintai Road, South Street, Chongqing Patentee before: CHONGQING RUNYUE MACHINERY Co.,Ltd. |
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