CN109654085A - A kind of lifesaving breakout equipment cylinder and its application - Google Patents

A kind of lifesaving breakout equipment cylinder and its application Download PDF

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Publication number
CN109654085A
CN109654085A CN201811642740.XA CN201811642740A CN109654085A CN 109654085 A CN109654085 A CN 109654085A CN 201811642740 A CN201811642740 A CN 201811642740A CN 109654085 A CN109654085 A CN 109654085A
Authority
CN
China
Prior art keywords
cylinder
cavity
lifesaving
cap
blow vent
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.)
Pending
Application number
CN201811642740.XA
Other languages
Chinese (zh)
Inventor
邓磊
黄晓黎
黄小勇
田冬梅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuchang Shipbuilding Industry Group Co Ltd
Original Assignee
Wuchang Shipbuilding Industry Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuchang Shipbuilding Industry Group Co Ltd filed Critical Wuchang Shipbuilding Industry Group Co Ltd
Priority to CN201811642740.XA priority Critical patent/CN109654085A/en
Publication of CN109654085A publication Critical patent/CN109654085A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • F15B15/1433End caps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • F15B15/1457Piston rods

Abstract

The invention discloses a kind of lifesaving breakout equipment cylinders, comprising: cylinder body, cylinder interior are equipped with the first cavity, are axially spaced to offer the first blow vent and the second blow vent being connected to the first cavity along it on cylinder side wall;Cylinder sleeve piston, cylinder sleeve internal piston are equipped with the second cavity, and the second cavity is equipped with opening in one end far from the first limiting section;Cylinder cap, cylinder cap are set at the aperture position of the second cavity, and the third blow vent being connected to the second cavity is offered on cylinder cap;Piston rod, piston rod is arranged across cylinder cap, and can slide in the second cavity, is related to ship safeguards system, submarine rescue apparatus field.The present invention increases cylinder total working stroke in cylinder overall structure size constancy, and is monolithic construction, and functional reliability is high;Simplify structure, reduces assembly cumulative errors, improve cylinder operation reliability;Meanwhile sealing station is relatively fewer, reduces the risk of sealing leak, improves cylinder seal reliability and working life.

Description

A kind of lifesaving breakout equipment cylinder and its application
Technical field
The present invention relates to ship safeguards systems, submarine rescue apparatus field, are specifically related to a kind of quick upward floating danger-removal dress It sets with cylinder and its application.
Background technique
Lifesaving breakout equipment is a kind of common device that floating is discharged after modern diver's diving in deep depth, master Wanting principle is: when diver is discharged and floats in the underwater preparation of big depth, diver enters in Quick-pressing cabin, at this time quickly Air pressure in compression chamber is an atmospheric pressure, and compression chamber bottom has a water inlet pipe to lead to extraneous seawater, works as Quick-pressing When beginning, water inlet valve is opened, since extraneous seawater pressure is bigger than in cabin, seawater can then be flowed into pressurization by water inlet pipe In cabin, original air is compressed in cabin, and pressure process stops when air pressure in cabin and extraneous sea water pressure balance;Through After crossing the pressure stabilizing of certain time, compression chamber upper cover is opened, and diver freely floats up to the water surface from compression chamber.Entire pressure process is very Short, the time of diver's high pressure exposure is also just very short, and free floating-upward process is the process of a fast decompression again, so will not shape The high pressure exposure of growth time, would not also lead to the generation of decompression sickness, so that the life security for diver provides guarantee.
The cylinder body of cylinder and piston rod are separate structure in the prior art, and one side number of parts is more, cause processing, Assembly accumulation error is larger, and assembly centering is more difficult, will further increase unbalance loading load;On the other hand, structure is also more complex, Sealing structure used is numerous, and doubtful leak source is more, and failure probability is big, dismounts also relatively complicated.
Summary of the invention
The purpose of the invention is to overcome the shortcomings of above-mentioned background technique, a kind of reduction assembly cumulative errors are provided, are mentioned The lifesaving breakout equipment cylinder and its application of high cylinder operation reliability and working life.
The present invention provides a kind of lifesaving breakout equipment cylinder, comprising:
Cylinder body, the cylinder interior are equipped with the first cavity, are axially spaced to offer and described the along it on cylinder side wall The first blow vent and the second blow vent of one cavity connection;
Cylinder sleeve piston, the cylinder sleeve piston include the first limiting section that outer diameter is equal to first cavity diameter, and described the One limiting section is set in first cavity and can slide at position between the first blow vent and the second blow vent, and cylinder sleeve is living Plug is internal to be equipped with the second cavity, and second cavity is equipped with opening in one end far from the first limiting section;
Cylinder cap, the cylinder cap are set at the aperture position of second cavity, are offered on cylinder cap and second chamber The third blow vent of body connection;
Piston rod, the piston rod is arranged across the cylinder cap, and can slide in the second cavity.
Based on the above technical solution, the cylinder sleeve piston further includes that outer diameter is less than first cavity diameter One main part, first main part are connected with first limiting section.
Based on the above technical solution, the lifesaving breakout equipment cylinder further includes mounting flange, described Mounting flange is sheathed on the outer wall of first main part, and mounting flange is abutted with one end of the cylinder body.
Based on the above technical solution, at first limiting section and the inboard wall of cylinder block contact position, and/or, Sealing ring is provided at first main part and the mounting flange inner wall contact position.
Based on the above technical solution, the piston rod includes the second limit that outer diameter is equal to second cavity diameter Position portion and outer diameter are less than the second main part of second cavity diameter, and second limiting section is connected with the second main part.
Based on the above technical solution, the cylinder cap is sheathed on the outer wall of second main part, and cylinder cap and institute The one end for stating piston cylinder head abuts.
Based on the above technical solution, at second limiting section and the cylinder sleeve piston inner wall contact position, and/ Or, being provided with sealing ring at second main part and the inboard wall of cylinder cover contact position.
Based on the above technical solution, the piston rod further includes being set to far from second limiting section one end Interconnecting piece is equipped with groove between the interconnecting piece and second main part.
Based on the above technical solution, first blow vent is set to one end on the cylinder side wall, described Second blow vent is set to the other end on the cylinder side wall.
The present invention also provides a kind of lifesaving breakout equipments, comprising:
Cylinder, described cylinder one end are provided with end cap;
Any cylinder as above, the piston rod connect the end cap, and for driving end cap in cylinder along cylinder Slide axially.
Compared with prior art, advantages of the present invention is as follows:
(1) present invention uses piston rod, cylinder sleeve piston double-action structural shape, in cylinder overall structure size constancy situation Lower increase cylinder total working stroke, and piston rod and cylinder sleeve piston are monolithic construction, functional reliability is high;Simplify structure, Assembly cumulative errors are reduced, cylinder operation reliability is improved;Meanwhile after structure simplifies, sealing station is relatively fewer, reduces sealing The risk of leakage improves cylinder seal reliability and working life.
(2) present invention connects the activity that the rigid connection of the screw thread of conventional piston bar and end cap has been changed to interconnecting piece and groove It connects, rigging error everywhere can be eliminated, at work, piston rod and end cap are each so as to improve cylinder there is only drawing, pressure active force The force-bearing situation at place.
Detailed description of the invention
Fig. 1 is the lifesaving breakout equipment air cylinder structure semi-cutaway of the embodiment of the present invention;
Fig. 2 is the cylinder sleeve piston structure cross-sectional view of the embodiment of the present invention;
Fig. 3 is the piston rod construction semi-cutaway of the embodiment of the present invention;
Fig. 4 is lifesaving breakout equipment the first working state schematic representation of cylinder of the embodiment of the present invention;
Fig. 5 is lifesaving breakout equipment the second working state schematic representation of cylinder of the embodiment of the present invention;
Fig. 6 is the lifesaving breakout equipment structure semi-cutaway of the embodiment of the present invention.
Appended drawing reference: 1-cylinder body, the 11-the first cavity, the 12-the first blow vent, the 13-the second blow vent, 2-cylinder sleeves are living Plug, the 21-the second cavity, the 22-the first limiting section, the 23-the first main part, 3-cylinder caps, 31-third blow vents, 4-pistons Bar, the 41-the second limiting section, the 42-the second main part, 43-interconnecting pieces, 44-grooves, 5-mounting flanges, 6-cylinders.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is described in further detail.
Referring to shown in Fig. 1 to Fig. 3, the embodiment of the present invention provides a kind of lifesaving breakout equipment cylinder, comprising: cylinder body 1, cylinder sleeve piston 2, cylinder cap 3, piston rod 4.
Cylinder body 1, is equipped with the first cavity 11 inside the cylinder body 1, along it is axially spaced to offer on 1 side wall of cylinder body and institute State the first blow vent 12 and the second blow vent 13 of the connection of the first cavity 11;Cylinder sleeve piston 2, the cylinder sleeve piston 2 include outer diameter Equal to the first limiting section 22 of 11 diameter of the first cavity, first limiting section 22 is set in first cavity 11 simultaneously It can be slided at position between the first blow vent 12 and the second blow vent 13, the second cavity 21 is equipped with inside cylinder sleeve piston 2, it is described Second cavity 21 is equipped with opening in one end far from the first limiting section 22;Cylinder cap 3, the cylinder cap 3 are set to second cavity At 21 aperture position, the third blow vent 31 being connected to second cavity 21 is offered on cylinder cap 3;Piston rod 4, the work Stopper rod 4 is arranged across the cylinder cap 3, and can slide in the second cavity 21.
The present invention uses piston rod 4,2 double acting structure pattern of cylinder sleeve piston, in cylinder overall structure size constancy situation Lower increase cylinder total working stroke, and piston rod 4 and cylinder sleeve piston 2 are monolithic construction, functional reliability is high;Simplify knot Structure reduces assembly cumulative errors, improves cylinder operation reliability;Meanwhile after structure simplifies, sealing station is relatively fewer, reduces The risk of sealing leak improves cylinder seal reliability and working life.
In the present embodiment, it is preferred that the cylinder sleeve piston 2 further includes that outer diameter is less than 11 diameter of the first cavity One main part 23, first main part 23 are connected with first limiting section 22;The lifesaving breakout equipment cylinder It further include mounting flange 5, the mounting flange 5 is sheathed on the outer wall of first main part 23, and mounting flange 5 and the cylinder One end of body 1 abuts;At first limiting section 22 and the 1 inner wall contact position of cylinder body, and/or, first main part 23 with the 5 inner wall contact position of mounting flange at be provided with sealing ring.
In the present embodiment, it is preferred that the piston rod 4 includes the second limit that outer diameter is equal to 21 diameter of the second cavity Position portion 41 and outer diameter are less than the second main part 42 of 21 diameter of the second cavity, second limiting section 41 and the second main body Portion 42 is connected;The cylinder cap 3 is sheathed on the outer wall of second main part 42, and cylinder cap 3 and one end of the piston cylinder head 2 are supported It connects;Second limiting section 41 at the 2 inner wall contact position of cylinder sleeve piston, and/or, second main part 42 with it is described Sealing ring is provided at 3 inner wall contact position of cylinder cap.
In the present invention, using band metal framework structure dust-proof seal ring, dust, foul, sand grains and metal can be effectively prevent The intrusion of clast can largely prevent piston rod 4 from scratching, protect metal slide face, extend the longevity of sealing element Life;For different medium characteristic, dust-proof, waterproof is respectively adopted in sealing structure boundary, the independent sealed structure of gas-tight three is set Meter, and appropriate seal circle and sealing material are selected, sealing reliability of the cylinder in briny environment can be effectively improved.
In the present invention, HDR two-phase super-low carbon stainless steel and high mechanical properties, resistance to are selected with contact with sea water main parts size The good high manganic aluminum bronze ZCuAl8Mn13Fe3Ni2 material of erosion, wearability, is suitable for seawater working environment, and cylinder slide friction is secondary Different materials is selected respectively, and one is selected stainless steel, and another is selected copper.Wherein stainless steel part slidingsurface can make Nitrizing Treatment The hardness for improving its surface increases difference of hardness between the two, to improve wearability, improves the cylinder operation service life;Meanwhile The sliding bearing that shafting guiding can be saved, simplifies structure.
Referring to fig. 4 to shown in Fig. 5, the first working condition and the second work of lifesaving breakout equipment cylinder of the invention Make status diagram, cylinder is twin-stage cylinder, and wherein piston rod 4, cylinder cap 3 and cylinder sleeve piston 2 form the first cylinder assembly, and cylinder sleeve is living Plug 2, mounting flange 5 and cylinder body 1 form the second cylinder assembly.
When cylinder is in the first working condition, piston rod 4 is connected with the end cap of lifesaving breakout equipment, i.e. piston rod 4 Head is by axial push-pull load, when piston rod 1 is in nearly dead-centre position, from 12 air inlet of the first blow vent, push cylinder sleeve piston 2 to Remote dead-centre position is mobile, and the second blow vent 13 and third blow vent 31 are vented, at this point, piston rod 4 is acted on by pressure F.
When cylinder is in the second working condition, piston rod 4 is in remote dead-centre position, ventilates from the second blow vent 13 and third 31 air inlets of mouth push cylinder sleeve piston 2 mobile to nearly dead-centre position, the exhaust of the first blow vent 12, at this point, piston rod 4 is made by pulling force F With.
In the present embodiment, it is preferred that the piston rod 4 further includes being set to far from described second limiting section, 41 one end Interconnecting piece 43 is equipped with groove 44 between the interconnecting piece 43 and second main part 42;By the spiral shell of conventional piston bar 4 and end cap Line rigid connection has been changed to being flexibly connected for interconnecting piece 43 and groove 44, can eliminate rigging error everywhere, at work, piston There is only draw, active force is pressed to avoid the occurrence of stuck phenomenon so as to improve the force-bearing situation of cylinder everywhere for bar 4 and end cap.
Shown in Figure 6, the embodiment of the present invention also provides a kind of lifesaving breakout equipment, comprising:
Cylinder 6, described 6 one end of cylinder are provided with end cap;
The cylinder as described in claim 1 to 9 is any, the piston rod 4 connect the end cap, and for driving end cap in cylinder Sliding axially along cylinder 6 in body 6.
In the QT lifesaving breakout equipment for being 2.5MPa applied to operating pressure, solves existing sleeve type varying load gas The problems such as cylinder structure is complicated, sealing reliability is poor, material corrosion resisting property is low, realizes lifesaving breakout equipment varying load gas The purposes of design such as cylinder high corrosion-resistant, high sealing reliability and structure simplification, can apply in QT lifesaving breakout equipment, improve Its submarine rescue ability.
Those skilled in the art can carry out various modifications to the embodiment of the present invention and modification, if these modifications and change For type within the scope of the claims in the present invention and its equivalent technologies, then these modifications and variations are also in protection scope of the present invention Within.
The prior art that the content being not described in detail in specification is known to the skilled person.

Claims (10)

1. a kind of lifesaving breakout equipment cylinder characterized by comprising
Cylinder body (1), the cylinder body (1) is internal to be equipped with the first cavity (11), is axially spaced to offer along it on cylinder body (1) side wall The first blow vent (12) and the second blow vent (13) being connected to first cavity (11);
Cylinder sleeve piston (2), the cylinder sleeve piston (2) include the first limiting section that outer diameter is equal to the first cavity (11) diameter (22), first limiting section (22) is set in first cavity (11) and can ventilate in the first blow vent (12) and second It is slided at position between mouthful (13), is equipped with the second cavity (21) inside cylinder sleeve piston (2), second cavity (21) is far from the One end of one limiting section (22) is equipped with opening;
Cylinder cap (3), the cylinder cap (3) are set at the aperture position of second cavity (21), offer on cylinder cap (3) and institute State the third blow vent (31) of the second cavity (21) connection;
Piston rod (4), the piston rod (4) are arranged across the cylinder cap (3), and can the sliding in the second cavity (21).
2. lifesaving breakout equipment cylinder as described in claim 1, it is characterised in that: the cylinder sleeve piston (2) is also wrapped Include the first main part (23) that outer diameter is less than the first cavity (11) diameter, first main part (23) and first limit Position portion (22) is connected.
3. lifesaving breakout equipment cylinder as claimed in claim 2, it is characterised in that: the lifesaving breakout equipment It further include mounting flange (5) with cylinder, the mounting flange (5) is sheathed on the outer wall of first main part (23), and installs Flange (5) is abutted with one end of the cylinder body (1).
4. lifesaving breakout equipment cylinder as claimed in claim 3, it is characterised in that: first limiting section (22) with At cylinder body (1) the inner wall contact position, and/or, first main part (23) and the mounting flange (5) inner wall contact position The place of setting is provided with sealing ring.
5. lifesaving breakout equipment cylinder as described in claim 1, it is characterised in that: the piston rod (4) includes outer Diameter is equal to the second limiting section (41) of the second cavity (21) diameter and outer diameter is less than the of the second cavity (21) diameter Two main parts (42), second limiting section (41) are connected with the second main part (42).
6. lifesaving breakout equipment cylinder as claimed in claim 5, it is characterised in that: the cylinder cap (3) is sheathed on institute The outer wall of the second main part (42) is stated, and cylinder cap (3) is abutted with one end of the piston cylinder head (2).
7. lifesaving breakout equipment cylinder as claimed in claim 5, it is characterised in that: second limiting section (41) with At cylinder sleeve piston (2) the inner wall contact position, and/or, second main part (42) and the cylinder cap (3) inner wall contact position The place of setting is provided with sealing ring.
8. lifesaving breakout equipment cylinder as claimed in claim 5, it is characterised in that: the piston rod (4) further includes It is set to the interconnecting piece (43) far from described second limiting section (41) one end, the interconnecting piece (43) and second main part (42) groove (44) are equipped between.
9. lifesaving breakout equipment cylinder as described in claim 1, it is characterised in that: first blow vent (12) sets It is placed in one end on the cylinder body (1) side wall, second blow vent (13) is set to another on the cylinder body (1) side wall End.
10. a kind of lifesaving breakout equipment characterized by comprising
Cylinder (6), described cylinder (6) one end are provided with end cap;
The cylinder as described in claim 1 to 9 is any, the piston rod (4) connect the end cap, and for driving end cap in cylinder (6) sliding axially along cylinder (6) in.
CN201811642740.XA 2018-12-29 2018-12-29 A kind of lifesaving breakout equipment cylinder and its application Pending CN109654085A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811642740.XA CN109654085A (en) 2018-12-29 2018-12-29 A kind of lifesaving breakout equipment cylinder and its application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811642740.XA CN109654085A (en) 2018-12-29 2018-12-29 A kind of lifesaving breakout equipment cylinder and its application

Publications (1)

Publication Number Publication Date
CN109654085A true CN109654085A (en) 2019-04-19

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ID=66118526

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811642740.XA Pending CN109654085A (en) 2018-12-29 2018-12-29 A kind of lifesaving breakout equipment cylinder and its application

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Application publication date: 20190419