CN202100555U - Breakage-proof safe hydraulic cylinder - Google Patents
Breakage-proof safe hydraulic cylinder Download PDFInfo
- Publication number
- CN202100555U CN202100555U CN2011202289982U CN201120228998U CN202100555U CN 202100555 U CN202100555 U CN 202100555U CN 2011202289982 U CN2011202289982 U CN 2011202289982U CN 201120228998 U CN201120228998 U CN 201120228998U CN 202100555 U CN202100555 U CN 202100555U
- Authority
- CN
- China
- Prior art keywords
- hydraulic cylinder
- spring
- baffle
- liquid
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Fluid-Pressure Circuits (AREA)
- Actuator (AREA)
Abstract
The utility model relates to a breakage-proof safe hydraulic cylinder, which comprises a hydraulic cylinder and an oil control device inside an oil port of the hydraulic cylinder. The oil control device consists of a liquid through block, a screw, a spring, a baffle and a nut. The liquid through block is provided with a liquid through hole and a spring fixing hole and integrated with the screw by welding. One end of the spring is fixed with the spring fixing hole on the liquid through block, and the other end of the spring is connected to the baffle. The nut is disposed on the screw, and the distance between the baffle and the liquid through block can be adjusted through the nut. Therefore, when the breakage-proof safe hydraulic cylinder works normally, differential pressure acting force which is identical with a flowing direction respectively exists at both ends of the baffle, and the baffle is always opened. If a hydraulic pressure pipeline or a pipe joint is broken, the quantity of flow passing through the liquid through block is greatly increased, and the differential pressure acting force exceeds spring force at the moment so that the baffle is forced to compress the spring, an oil through hole is closed, and the hydraulic cylinder stops descending. Therefore, mechanical accidents and personnel safety accidents caused by the rapid descending of the hydraulic cylinder are avoided.
Description
Technical field
The utility model belongs to a kind of hydraulic element, is specifically related to a kind of anti-broken safe hydraulic pressure cylinder.
Background technique
In hydraulic actuator,, then can make it lose back pressure because hydraulic pipe line or pipe joint break; At this moment, the hydraulic actuator that band carries falls uncontrolled acceleration; Therefore, very easily cause mechanical accident and personal safety accident, the method that adopts at present; Basic dependence increases oil hydraulic cylinder outside pipeline and valve class control unit, thereby makes hydraulic system become complicated, is not easy to install and maintenance.
Summary of the invention
The purpose of the utility model has provided a kind of anti-broken safe hydraulic pressure cylinder, and this oil hydraulic cylinder can lose under the back pressure situation breaking because of hydraulic pipe line or pipe joint, can prevent effectively that oil hydraulic cylinder from descending rapidly and cause mechanical accident and personal safety accident.
The utility model is that the scheme that the technical solution problem is adopted is: a kind of anti-broken safe hydraulic pressure cylinder comprises the oil control device in oil hydraulic cylinder, the oil hydraulic cylinder hydraulic fluid port; Described oil control device is made up of logical liquid piece, screw, spring, baffle plate, nut, logical liquid piece be provided with liquid-through hole, spring fixed hole and with screw seam composition one, an end of spring is fixed on the spring fixed hole that leads on the liquid piece; The other end links to each other with baffle plate, and nut is installed on the screw, and the distance between baffle plate and the logical liquid piece can be regulated through nut; Play the effect of regulating the action flow; Under the oil hydraulic cylinder normal working, baffle plate leaves logical liquid piece under the effect of spring, keep certain distance.
During this hydraulic cylinder works, hydraulic oil gets into oil hydraulic cylinder through the liquid-through hole on the logical liquid piece, thereby makes the normal lifting work of oil hydraulic cylinder; When oil hydraulic cylinder retraction, and hydraulic oil is when flowing out through oil control device in oil hydraulic cylinder, because flow resistance; There is pressure difference in logical liquid, thereby there is a differential pressure action power identical with flow direction at the baffle plate two ends, in normal operation; This power is no more than spring force so baffle plate is opened all the time, if hydraulic pipe line or pipe joint break, then the flow through logical liquid piece increases greatly; This moment, above-mentioned differential pressure action power surpassed spring force, thereby made the baffle plate pressure spring, the oil through sealing; Oil hydraulic cylinder stops to descend, thereby has avoided causing mechanical accident and personal safety accident to take place because of oil hydraulic cylinder descends rapidly.
The beneficial effect of the utility model: reasonable in design, simple in structure, can prevent effectively that oil hydraulic cylinder from descending rapidly and cause mechanical accident and personal safety accident.
Description of drawings
Fig. 1: the structural representation of the utility model.
Fig. 2: oil control device schematic representation.
Fig. 3: the utility model oil control device work schematic representation.
Fig. 1: 1 oil hydraulic cylinder, 2, oil control device, Fig. 2: 3 logical liquid pieces, 4 screws, 5 springs, 6 baffle plates, 7 nuts.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified
Among the embodiment as shown in the figure, a kind of anti-broken safe hydraulic pressure cylinder comprises oil hydraulic cylinder 1, oil control device 2; Described oil control device 2 is made up of logical liquid piece 3, screw 4, spring 5, baffle plate 6, nut 7; Logical liquid piece 3 is provided with liquid-through hole and forms one with spring fixed hole and with screw 4 seam, and spring 5 one ends are fixed on the spring fixed hole that leads on the liquid piece 3, and the other end links to each other with baffle plate 6; Nut 7 is installed on the screw 4; Distance between baffle plate 6 and the logical liquid piece 3 can be regulated through nut 7, play the effect of regulating the action flow, and the oil control device 2 of the utility model is to utilize pressure difference that fluid-through port exists to make baffle plate 6 open or close by the active force of spring 5; Under the normal working, baffle plate 6 leaves logical liquid piece 3 under the effect of spring 5, keep certain distance; When hydraulic oil passed through 2 mouthfuls of outflows of oil control device in oil hydraulic cylinder 1, because flow resistance, there was pressure difference in fluid-through port; Thereby there is a pressure difference effect identical with flow direction at baffle plate 6 two ends, so power is no more than spring force, and baffle plate 6 is opened all the time; If hydraulic pipe line or pipe joint break, then the flow through logical liquid piece 3 increases greatly, and this moment, above-mentioned differential pressure action power surpassed spring force; Thereby baffle plate 6 is closed, play the function of oppositely ending, this moment, oil hydraulic cylinder 1 interior liquid that can not flowed out in cylinder; Oil hydraulic cylinder quits work, and then has prevented the generation of mechanical accident and personal safety accident.
Claims (3)
1. an anti-broken safe hydraulic pressure cylinder comprises oil hydraulic cylinder and oil control device; It is characterized in that: described oil control device is made up of logical liquid piece, screw, spring, baffle plate, nut; Logical liquid piece is provided with liquid-through hole, spring fixed hole and forms one with the screw seam; One end of spring is fixed on the spring fixed hole on the logical liquid piece; The other end links to each other with baffle plate, and nut is installed on the screw.
2. a kind of anti-broken safe hydraulic pressure cylinder as claimed in claim 1, it is characterized in that: the distance between baffle plate and the logical liquid piece can be regulated through the nut on the screw.
3. a kind of anti-broken safe hydraulic pressure cylinder as claimed in claim 1, it is characterized in that: oil control device is installed in the oil hydraulic cylinder hydraulic fluid port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202289982U CN202100555U (en) | 2011-06-20 | 2011-06-20 | Breakage-proof safe hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202289982U CN202100555U (en) | 2011-06-20 | 2011-06-20 | Breakage-proof safe hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202100555U true CN202100555U (en) | 2012-01-04 |
Family
ID=45386570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202289982U Expired - Fee Related CN202100555U (en) | 2011-06-20 | 2011-06-20 | Breakage-proof safe hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202100555U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129228A (en) * | 2014-08-20 | 2014-11-05 | 北京北方车辆集团有限公司 | Assembling method for bogie wheel disc assembly of tracked vehicle |
-
2011
- 2011-06-20 CN CN2011202289982U patent/CN202100555U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129228A (en) * | 2014-08-20 | 2014-11-05 | 北京北方车辆集团有限公司 | Assembling method for bogie wheel disc assembly of tracked vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202252165U (en) | Swing micro-resistance slow closing check valve | |
| CN203176024U (en) | Shearing machine hydraulic control system | |
| CN201306149Y (en) | Wellhead safety hydraulic cutoff device | |
| CN201650709U (en) | Hydraulic control valve | |
| CN203009946U (en) | Water hammer discharge valve | |
| CN202100555U (en) | Breakage-proof safe hydraulic cylinder | |
| CN205715983U (en) | Double axis of guide flow type regulating valves | |
| CN202768906U (en) | Water hammer eliminating combined valve | |
| CN204201184U (en) | Hydraulic lifting system flameproof apparatus | |
| CN204025786U (en) | A kind of full-bore energy saving check valve | |
| CN201292820Y (en) | Hydraulic cut off control device for well site safety | |
| CN202432012U (en) | Fast and anti-interference pilot valve | |
| CN203131130U (en) | Check valve | |
| CN202158205U (en) | Heavy punch type flap valve | |
| CN202302233U (en) | Electric closing device of valve | |
| CN202580147U (en) | Slow-closure type hydraulic check valve | |
| CN203374898U (en) | Knocking-proof type check valve | |
| CN203604777U (en) | Valve hydraulic actuator provided with fault feedback structure | |
| CN202708145U (en) | Spring stretching type parallel double-gate valve | |
| CN202900621U (en) | Intelligent pump control valve | |
| CN202176769U (en) | A high pressure liquid check valve | |
| CN203335940U (en) | Superhigh pressure difference reflux valve | |
| CN102410203B (en) | Hydraulic slow-resistance water pump valve for drainage system under coal mine | |
| CN201696396U (en) | Hydraulic valve for preventing pipeline from cracking of hydraulic pump station | |
| CN203585449U (en) | Check gate valve |
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 |
Granted publication date: 20120104 Termination date: 20140620 |
|
| EXPY | Termination of patent right or utility model |