CN203362664U - Synchronous oil cylinder - Google Patents
Synchronous oil cylinder Download PDFInfo
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- CN203362664U CN203362664U CN 201320408257 CN201320408257U CN203362664U CN 203362664 U CN203362664 U CN 203362664U CN 201320408257 CN201320408257 CN 201320408257 CN 201320408257 U CN201320408257 U CN 201320408257U CN 203362664 U CN203362664 U CN 203362664U
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- oil cylinder
- oil
- piston
- cylinder
- way valve
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Abstract
Provided is a synchronous oil cylinder. The synchronous oil cylinder comprises a first oil cylinder and a second oil cylinder. The first oil cylinder and the second oil cylinder are both double-acting piston oil cylinders. The effective area of a rod cavity of the first oil cylinder and the effective area of a rodless cavity of the second oil cylinder are equal, the rod cavity of the first oil cylinder and the rodless cavity of the second oil cylinder are communicated through a pipeline, and an oil port of a rodless cavity of the first oil cylinder and an oil port of a rod cavity of the second oil cylinder serve as an oil inlet and an oil outlet respectively. The synchronous oil cylinder is characterized in that a piston of the first oil cylinder and a piston of the second oil cylinder are respectively provided with an oil supply device and an oil drainage device; when the pistons are pushed to the limitation position, the oil supply devices and the oil drainage devices work automatically, and oil supplying or oil drainage on the first oil cylinder and the second oil cylinder is achieved. According to the synchronous oil cylinder, the rod cavity of the first oil cylinder and the rodless cavity of the second oil cylinder are connected in series, the working operations of the two oil cylinders keep synchronous all the time according to the working principle of connecting the hydraulic oil cylinders in series, and the synchronous oil cylinder has the advantages of being simple in structure and convenient to install.
Description
Technical field
The utility model relates to synchronous output cylinder synchronous fuel tank in the course of the work, is mainly used in the mechanism that requires synchronous working.
Background technique
At present, in synchronous fuel tank, mostly all adopt the gear synchronous device by two operating cylinders of distributing to of hydraulic oil equivalent, to guarantee two oil cylinder synchronous workings, but in use for some time because wearing and tearing make gap strengthen, inside has leakage due to the gear synchronous device, and cause, actual to output to two hydraulic oil volumes in operating cylinder unequal, and oil cylinder stroke does not reach synchronous requirement.And, along with lengthen service time, the inter deterioration of gear synchronous device can be more serious, will cause like this action of oil cylinder more asynchronous.
And, when the load difference of two oil cylinders is larger, also can affect the net synchronization capability of two oil cylinders.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of synchronous fuel tank for the above-mentioned state of the art, working principle by the series connection hydraulic jack realizes that the working stroke of two oil cylinders remains synchronously, has characteristics simple in structure, easy for installation.
The utility model solves the problems of the technologies described above adopted technological scheme: a kind of synchronous fuel tank, comprise the first oil cylinder and the second oil cylinder, described the first oil cylinder and the second oil cylinder are the two-way ram oil cylinder, the rod chamber of the first oil cylinder equates and is connected by pipeline with the useful area of the rodless cavity of the second oil cylinder, and the hydraulic fluid port of the rod chamber of the hydraulic fluid port of the rodless cavity of the first oil cylinder and the second oil cylinder is as filler opening and oil outlet; It is characterized in that: on the piston of described the first oil cylinder and the second oil cylinder, recharging oil device and jettison gear are installed, when piston is pulled to limit position, recharging oil device and jettison gear can automatic operations, complete the repairing of oil cylinder or drain the oil.
As improvement, described recharging oil device and jettison gear are in the piston of the first oil cylinder and the second oil cylinder, to be provided with to allow the rod chamber one-way valve mobile to rodless cavity.
Further improve, described one-way valve is to be provided with the one-way valve valve body at the piston center, the inner chamber of one-way valve valve body is provided with the steel ball coordinated with inlet hole, there is little spring between steel ball and valve seat, valve seat is threaded on the inner chamber of one-way valve valve body, and the sidepiece of one-way valve valve body has and portals, and one-way valve is external has top cover at piston rod upper limit cover, have spring between the spring eye of top cover and piston, top cover is conflicted and is coordinated with pin in inlet hole and cylinder end.
Further improve, described one-way valve is that the piston sidepiece is opened cavity, and the spool with pin is set in cavity, between the valve seat of spool and perforate, has little spring, and valve seat is threaded on the cavity of piston, with spool and the cylinder end conflict cooperation of pin.
Compared with prior art, the utility model has the advantage of: the rod chamber of the first oil cylinder is connected mutually with the rodless cavity of the second oil cylinder, by the working principle of series connection hydraulic jack, come real working stroke of managing two oil cylinders to remain synchronous, recharging oil device and jettison gear are arranged on piston, recharging oil device is used for supplementing the deficiency of oil mass among the rodless cavity of the second oil cylinder be enclosed in the rod chamber of the first oil cylinder and link with it, and jettison gear is the oil mass for many Shes that release.The utility model is simple in structure, easy for installation, can realize that the working stroke of two oil cylinders remains synchronous.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is fundamental diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As shown in Figure 1 and Figure 2, the synchronous fuel tank with repairing and jettison gear of the present embodiment, comprise the first oil cylinder 1, the second oil cylinder 2, the first oil cylinder 1 and the second oil cylinder 2 are the two-way ram oil cylinder, the rod chamber 11 of the first oil cylinder 1 equates and is connected by pipeline with the useful area of the rodless cavity 22 of the second oil cylinder 2, all be full of hydraulic oil in the pipeline of this two chamber and connection thereof, be enclosed in how many direct limit positions that affect these two oil cylinders of the hydraulic oil in these two chambeies; Rod chamber 21 hydraulic fluid ports of the hydraulic fluid port of the rodless cavity 12 of the first oil cylinder 1 and the second oil cylinder 2 are as filler opening 14 and oil outlet 24; On the piston 13 and 14 of the first oil cylinder 1 and the second oil cylinder 2, recharging oil device and jettison gear are installed, recharging oil device is used for supplementing the deficiency of oil mass among the rodless cavity 22 of the second oil cylinder 2 be enclosed in the rod chamber 11 of the first oil cylinder 1 and link with it, jettison gear be enclosed in the rod chamber 11 of the first oil cylinder 1 for releasing and the rodless cavity 22 of the second oil cylinder 2 of linking with it among many Shes' oil mass; When filler opening 14 oil-feeds, oil outlet 24 oil returns, and when two- piston 13 and 14 is pulled to limit position, recharging oil device and jettison gear 4 can automatic operations, complete repairing or drain the oil, also eliminated automatically error, make the first oil cylinder 1 and the second oil cylinder 2 remain synchronous simultaneously.
Recharging oil device and jettison gear are in the piston of the first oil cylinder 1 and the second oil cylinder 2, to be provided with to allow the rod chamber one-way valve 3 mobile to rodless cavity.
The first, one-way valve 3 is to be welded and fixed one-way valve valve body 3.1 at the piston center, the inner chamber of one-way valve valve body 3.1 is provided with the steel ball 3.2 coordinated with inlet hole, there is little spring 3.4 between steel ball 3.2 and valve seat 3.3, valve seat 3.3 is threaded on the inner chamber of one-way valve valve body 3.1, the sidepiece of one-way valve valve body 3.1 has and portals 3.8, the external piston rod upper limit of one-way valve valve body 3.1 cover has top cover 3.5, top cover 3.5 is spacing on piston by position limit cycle, can suitably move front and back, there is spring 3.7 between the spring eye of top cover 3.5 and piston, top cover 3.5 is conflicted and is coordinated with pin 3.6 in inlet hole and cylinder end.
The second, one-way valve 3 is that the piston sidepiece is opened cavity, and the spool 3.9 with pin is set in cavity, between the valve seat 3.3 of spool 3.9 and perforate, has little spring 3.4, valve seat 3.3 is threaded on the cavity of piston, with spool 3.9 and the cylinder end conflict cooperation of pin.
Working principle is such: the first oil cylinder 1 and the second oil cylinder 2 are the two-way ram oil cylinder, the rod chamber of the first oil cylinder 1 11 is connected by pipeline with the rodless cavity 22 of the second oil cylinder 2, all be full of hydraulic oil like this in the rodless cavity 22 of the rod chamber 11 of the first oil cylinder 1 and the second oil cylinder 2 and UNICOM's pipeline thereof, when filler opening 14 oil-feed of the first oil cylinder 1, promote piston 13 motions of the first oil cylinder 1, oil in rod chamber 11 will flow to rodless cavity 22 simultaneously, promote piston 23 motions of the second oil cylinder 2, when the useful area of rod chamber 11 equates with the useful area of rodless cavity 22, the movement travel of the first oil cylinder 1 piston rod just equates with the movement travel of the second oil cylinder 2 piston rods, make two oil cylinders keep synchronous.
When one-way valve runs into cylinder end, top cover 3.5 is answered back to, overcome the elasticity strength of spring 3.7, make top cover 3.5 promote pin 3.6 in inlet hole, thereby open one-way valve, perhaps, the spool with pin 3.9 of one-way valve 3 is conflicted with cylinder end, thereby promotes the spool 3.9 with pin, opens one-way valve, realize recharging oil device and jettison gear automatic operation, complete the repairing of oil cylinder or drain the oil.
Claims (4)
1. a synchronous fuel tank, comprise the first oil cylinder and the second oil cylinder, described the first oil cylinder and the second oil cylinder are the two-way ram oil cylinder, the rod chamber of the first oil cylinder equates and is connected by pipeline with the useful area of the rodless cavity of the second oil cylinder, and the hydraulic fluid port of the rod chamber of the hydraulic fluid port of the rodless cavity of the first oil cylinder and the second oil cylinder is as filler opening and oil outlet; It is characterized in that: on the piston of described the first oil cylinder and the second oil cylinder, recharging oil device and jettison gear are installed, when piston is pulled to limit position, recharging oil device and jettison gear can automatic operations, complete the repairing of oil cylinder or drain the oil.
2. synchronous fuel tank according to claim 1 is characterized in that: described recharging oil device and jettison gear are in the piston of the first oil cylinder and the second oil cylinder, to be provided with to allow the rod chamber one-way valve mobile to rodless cavity.
3. synchronous fuel tank according to claim 2, it is characterized in that: described one-way valve is to be provided with the one-way valve valve body at the piston center, the inner chamber of one-way valve valve body is provided with the steel ball coordinated with inlet hole, there is little spring between steel ball and valve seat, valve seat is threaded on the inner chamber of one-way valve valve body, the sidepiece of one-way valve valve body has and portals, one-way valve is external has top cover at piston rod upper limit cover, have spring between the spring eye of top cover and piston, top cover is conflicted and is coordinated with pin in inlet hole and cylinder end.
4. synchronous fuel tank according to claim 2, it is characterized in that: described one-way valve is that the piston sidepiece is opened cavity, and the spool with pin is set in cavity, between the valve seat of spool and perforate, has little spring, valve seat is threaded on the cavity of piston, with spool and the cylinder end conflict cooperation of pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320408257 CN203362664U (en) | 2013-07-10 | 2013-07-10 | Synchronous oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320408257 CN203362664U (en) | 2013-07-10 | 2013-07-10 | Synchronous oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203362664U true CN203362664U (en) | 2013-12-25 |
Family
ID=49810438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320408257 Expired - Lifetime CN203362664U (en) | 2013-07-10 | 2013-07-10 | Synchronous oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203362664U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806589A (en) * | 2015-05-04 | 2015-07-29 | 上海医疗器械股份有限公司 | Automatic compensation structure and method of synchronous hydraulic cylinders of operating table or operating bed |
| CN105129294A (en) * | 2015-06-17 | 2015-12-09 | 无锡威奥液压机电设备有限公司 | Electro-hydraulic oil supplementing four-cylinder synchronous lifting method for buried rubbish compressor and mechanism of electro-hydraulic oil supplementing four-cylinder synchronous lifting method |
| CN105757042A (en) * | 2016-04-29 | 2016-07-13 | 合肥长源液压股份有限公司 | Anticorrosion single-action hydraulic cylinder |
| CN107651586A (en) * | 2016-07-25 | 2018-02-02 | 利勃海尔爱茵根有限公司 | Ballast and crane |
| CN111056334A (en) * | 2019-12-31 | 2020-04-24 | 龙合智能装备制造有限公司 | Self-adaptive loading platform for integral loading of container |
| CN114046278A (en) * | 2021-11-17 | 2022-02-15 | 南通棉花机械有限公司 | Cooperative double-box double-station packer hydraulic pressure crochet protector |
-
2013
- 2013-07-10 CN CN 201320408257 patent/CN203362664U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806589A (en) * | 2015-05-04 | 2015-07-29 | 上海医疗器械股份有限公司 | Automatic compensation structure and method of synchronous hydraulic cylinders of operating table or operating bed |
| CN104806589B (en) * | 2015-05-04 | 2018-05-15 | 上海医疗器械股份有限公司 | A kind of automatic compensation structure of synchronous hydraulic cylinder of operating table and compensation method |
| CN105129294A (en) * | 2015-06-17 | 2015-12-09 | 无锡威奥液压机电设备有限公司 | Electro-hydraulic oil supplementing four-cylinder synchronous lifting method for buried rubbish compressor and mechanism of electro-hydraulic oil supplementing four-cylinder synchronous lifting method |
| CN105757042A (en) * | 2016-04-29 | 2016-07-13 | 合肥长源液压股份有限公司 | Anticorrosion single-action hydraulic cylinder |
| CN107651586A (en) * | 2016-07-25 | 2018-02-02 | 利勃海尔爱茵根有限公司 | Ballast and crane |
| CN111056334A (en) * | 2019-12-31 | 2020-04-24 | 龙合智能装备制造有限公司 | Self-adaptive loading platform for integral loading of container |
| CN111056334B (en) * | 2019-12-31 | 2021-10-22 | 龙合智能装备制造有限公司 | Self-adaptive loading platform for integral loading of container |
| CN114046278A (en) * | 2021-11-17 | 2022-02-15 | 南通棉花机械有限公司 | Cooperative double-box double-station packer hydraulic pressure crochet protector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |