CN109443942A - A kind of experimental rig based on bellows sealing - Google Patents
A kind of experimental rig based on bellows sealing Download PDFInfo
- Publication number
- CN109443942A CN109443942A CN201811376747.1A CN201811376747A CN109443942A CN 109443942 A CN109443942 A CN 109443942A CN 201811376747 A CN201811376747 A CN 201811376747A CN 109443942 A CN109443942 A CN 109443942A
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- cabinet
- hydraulic cylinder
- flange
- case lid
- experimental rig
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0236—Other environments
- G01N2203/024—Corrosive
Abstract
A kind of experimental rig based on bellows sealing of the present invention, includes water tank, water pressure control system, water pipe head, oil pressure control system, hydraulic cylinder；It is characterized by: the water tank, includes cabinet and case lid；The case lid is equipped with a mounting hole between two parties；The hydraulic cylinder is single-piston-rod hydraulic cylinder, and piston rod enters in cabinet from case lid top across mounting hole, and hydraulic cylinder sealing is fixed on case lid；A valve is additionally provided on the case lid；A hydraulic cylinder also is provided in the middle part of cabinet right end siding；The cabinet, left end transverse direction siding, top place placed in the middle are equipped with a cabinet inlet opening, are connected to by water pipe head with water pressure control system；The cabinet, bottom plate are equipped with window aperture between two parties, are equipped with the axle sleeve with flange A in the window aperture, and between the lower plane and box baseplate of the A flange, ecto-entad is equipped with supporting studs and sealed bladder；Cooperate the durability test under with the more lotus roots of resultant force ballast for carrying out saline and alkaline erosion to reinforced concrete member.
Description
Technical field
The present invention relates to a kind of experimental rigs based on bellows sealing, refer in particular to a kind of concrete component and hold lotus erosion test dress
It sets, belongs to concrete test apparatus field.
Background technique
In recent years, China has built a large amount of reinforced concrete structure building in coastal area, economical quick for meeting
The needs of development, such as tunnel traffic.Tunnel is walked from underground, the massif even bottom of Jiang Hai, is not take up earth's surface soil, is shortened
Mileage alleviates traffic pressure, brings great convenience to people's life.It is well known that the lining cutting in tunnel is mixed for reinforcing bar
Solidifying soil, bears the strata pressure of rock mass in tunnel by armored concrete, while underground water is on the outside of reinforced concrete lining layer,
It is applied with biggish infiltration hydraulic pressure, therefore, tunnel-liner is chronically at " stress field ", under the collective effect of " seepage field "；This
Outside, tunnel-liner also suffers the erosion of the corrosive mediums such as the sulfate contained in underground water, chloride ion.
In order to which can the concrete that understand for tunnel-liner meet local tunnel " stress field ", " seepage field " and corrosion
The erosion of medium improves tunnel service life to the maximum extent, needs in advance to emulate the concrete component of tunnel-liner
Test, by the test to concrete component, determines the design of the concrete of tunnel-liner.Currently, the examination to concrete component
Equipment, mostly individual event mesh experimental rig are tested, cannot effectively reflect tunnel-liner actual working state, i.e., cannot do high emulation examination
It tests.
Summary of the invention
The present invention provides a kind of examination based on bellows sealing for technical deficiency present in above-mentioned existing experimental rig
Experiment device, the device not only can be taking human as control corrosion rate medium composition, concentration and water pressures, while can also be to concrete structure
Part carries out compression test, and the load adjustable of compression test, realizes high l-G simulation test.
The present invention is achieved through the following technical solutions:
A kind of experimental rig based on bellows sealing includes water tank, water pressure control system, water pipe head, oil pressure cntrol system
System, hydraulic cylinder；It is characterized by: the water tank, includes cabinet and case lid；The cabinet is cuboid flute profile, and notch is upward,
Notch is equipped with flange, and gasket, case lid is arranged in sequence on flange；It is fixedly connected between the flange and case lid；The cabinet,
Its left end transverse direction siding, top place placed in the middle are equipped with a cabinet inlet opening, in the outside of cabinet inlet opening, are equipped with water pipe head；
The water pipe head is connected to water pressure control system；The middle part of the cabinet right end transverse direction siding is equipped with a mounting hole；It is described
Hydraulic cylinder is single-piston-rod hydraulic cylinder, and piston rod enters in cabinet across mounting hole from right end outside cabinet, utilizes cylinder ends
Hydraulic cylinder sealing is fixed on the outside of cabinet right end transverse direction siding by the fixation hole covered；The oil pressure control system controls liquid
The movement of cylinder pressure inner piston and pressure；The piston rod, left end are flexibly connected a block pressur plate；The cabinet, bottom are also set
There is case foot；
The cabinet, bottom plate are equipped with window aperture between two parties, are equipped with axle sleeve in the window aperture, axle sleeve is matched with window interporal lacuna
It closes；The upper oral part of the axle sleeve is equipped with A flange；The A flange, radial middle part uniformly penetrate through on A flange at least provided with three
The threaded hole of lower plane；The upper plane of the A flange is equipped with rubber sheet gasketing；The rubber gasket on piece places concrete
Test component；Between the lower plane and box baseplate of the A flange, ecto-entad is equipped with supporting studs and sealed bladder；The branch
Support stud upper end is connected in threaded hole；Locking nut is additionally provided in the supporting studs；The supporting studs lower end is supported on
In box baseplate；The sealed bladder surrounds axle sleeve；The top of the sealed bladder is fixedly connected under A flange using top board
Plane；The bottom of the sealed bladder is fixedly connected in box baseplate using lower platen；The cabinet is additionally provided on its bottom plate
One shut-off valve；
The longitudinal left side of the cabinet, the inside of forward and backward siding is respectively symmetrically fixedly connected at least a pair of upstanding spill
Slot, notch are opposite；The baltimore groove corresponds between notch at it, is inserted with one piece of tailgate for being not higher than cabinet wall height；It is described
Tailgate is equipped with adjustment mechanism；Baffle is equipped on the right side of the tailgate；The adjustment mechanism is connect with baffle, regulating fender or so position
It sets；
It also is provided with an A mounting hole in the middle part of the case lid, second set of hydraulic cylinder is installed；Second set of hydraulic cylinder with it is aforementioned
Hydraulic cylinder structure is identical；A valve is additionally provided on the case lid.
The end cap of the hydraulic cylinder, left locating journal and right locating journal set up end cap both ends separately, middle part shape be it is step-like,
Left side is circle, and right side is square, and side length is less than or equal to the circular inscribed square side length in left side, so that an end cap left side is stopped
Pushing surface is circle, and right thrust surface is rectangular, and B seal groove and C seal groove are correspondingly provided on left and right thrust surface；The end cap
Be axially arranged with piston rod pilot hole；In the pilot hole axially from left to right, E seal groove, remittance liquid bath, F sealing is arranged in sequence
Slot；In square surrounding plane in the middle part of the end cap, each in-plane is equipped with the porus excretorius being connected to remittance liquid bath.
The aforementioned water tank, material are metal material.
The aforementioned water tank, surface are equipped with protective layer.
The aforementioned water pressure control system is height-adjustable flexible water conduit.
The aforementioned water pipe head is tubular both ends formula, and the one end connecting with cabinet is flange, and the other end is fast quick access
Head matches with flexible water conduit one end and connect.
The aforementioned tailgate, is inserted in baltimore groove, and matching between tailgate and baltimore groove is combined into clearance fit, and gap is not small
In 0.5 millimeter.
The aforementioned piston rod, left end are equipped with a hinge hole.
To be flexibly connected between the aforementioned piston rod and pressing plate, movable connection method is hinge connection.Of the invention
Advantages and beneficial effects:
It is an advantage of the invention that the arrangement achieves concrete components to hold lotus and infiltration while the target carried out, meets and " seep
Stream-stress field " coupling test needs, which not only can pass through hydraulic pressure taking human as control corrosion rate medium composition, concentration
Control system can control to concrete component water pressure；Compression bending resistance is carried out to concrete component using double hydraulic cylinder simultaneously
Test is adjusted the pressure size of hydraulic cylinder by the oil hydraulic system of hydraulic cylinder, to realize the high l-G simulation test to concrete component.Liquid
Cylinder pressure left end cap is by two-way sealing ring, and adds remittance liquid bath, porus excretorius, realizes an end cap two way seal.
The advantages and features of the present invention will be illustrated and explained by the non-limitative illustration of preferred embodiment below,
These embodiments only provide as an example referring to attached drawing.
Detailed description of the invention
Fig. 1 is device longitudinal sectional view；
Fig. 2 is the top view that Fig. 1 removes case lid；
Fig. 3 is 25 axial sectional view of end cap；
Fig. 4 is the sectional view along A-A of Fig. 3.
Wherein: 1, case lid, 1a, A mounting hole, 2, gasket, 3, valve, 4, baltimore groove, 5, tailgate, 6, A screw, 7, A it is close
Seal, 8, water pipe head, 9, B screw, 10, cabinet, 10a, cabinet inlet opening, 10b, window aperture, 10c, mounting hole, 11, case foot,
12, locking nut, 13, supporting studs, 15, rubber sheet gasketing, 16, top board, 17, sealed bladder, 18, lower platen, 19, axis
Set, 19a, axle sleeve hole, 19b, A flange, 20, cushion, 21, pressing plate, 22, pin shaft, 23, piston rod, 24, B sealing ring, 25, end cap,
26, E sealing ring, 27, C sealing ring, 28, F sealing ring, 29, hydraulic cylinder, 30, second sets of hydraulic cylinders, 51, adjustment screw, 52, hold
Carry screw rod, 53, split washer, 54, baffle, 69, shut-off valve；
2501, left thrust surface, 2502, left locating journal, 2503, E seal groove, 2504, piston rod pilot hole, 2505, B it is close
Sealing groove, 2506, fixation hole, 2507, porus excretorius, 2508, C seal groove, 2509, converge liquid bath, 2510, F seal groove, 2511, right fixed
Position axle journal, 2512, right thrust surface, 2513, mounting surface, 2514, hydraulic cylinder fixation hole.
Specific embodiment
To keep the purpose of the present invention and technical solution clearer, below in conjunction with attached drawing, to technical solution of the present invention
It is further described.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific term) there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.
When the meaning of heretofore described " left, right, front and rear " refers to reader's face attached drawing, the left side of reader
As left, the right of reader is the right side, apart from reader it is close be before, apart from reader it is remote be after, rather than to this
The specific restriction of invention.
The meaning of heretofore described " connection " can be between component be directly connected to be also possible to pass through between component
Other components are indirectly connected with.
As shown in Figure 1, Figure 2, shown, a kind of experimental rig based on bellows sealing, main body is a metal structural carbon steel
The water tank that plate is welded, the water tank contain cabinet 10 and case lid 1；Cabinet 10 be cuboid flute profile, notch is upward, notch to
It is externally provided with flange, in the upper surface of flange, gasket 2, case lid 1 is arranged in sequence, the material of gasket 2 is rubber；Case lid 1 and cabinet
It is fixedly connected between 10 flange by A screw 6；The left end transverse direction siding of cabinet 10, top place placed in the middle be equipped with cabinet into
Water hole 10a is equipped with water pipe head 8 in the outside of cabinet inlet opening 10a, and water pipe head 8 and inlet opening 10a is made to keep concentric,
One end of water pipe head 8 is flange, is fixedly connected by B screw 9, A sealing ring 7 with cabinet 10, the other end of water pipe head 8 is
Fire-fighting water pipe quick joint.It is connected to fire hose by fire-fighting water pipe quick joint, the pressure resistance of fire hose is 2.5 megapascal,
Length is 25 meters, when test, by the way that the height of extinguishing pipe is raised and lowered, adjusts the hydraulic pressure in cabinet 10；
The cabinet 10 is additionally provided with a shut-off valve 69 on its bottom plate, after the test, for emptying the intracorporal salt of case
Water.
The cabinet 10, bottom plate are equipped with window aperture 10b between two parties, are equipped with axle sleeve 19 in the window aperture 10b, axle sleeve 19 with
Window aperture 10b clearance fit；The upper oral part of the axle sleeve 19 is equipped with A flange 19b；The radial middle part the A flange 19b, is equipped with four
The threaded hole of A flange 19b lower planes is only uniformly penetrated through, the upper plane of A flange 19b is equipped with rubber sheet gasketing 15, in rubber
Above gasket seal 15, concrete component to be tested is placed；Between 10 bottom plate of lower plane and cabinet of A flange 19b, by extroversion
It is interior to be equipped with supporting studs 13 and sealed bladder 17；13 upper end of supporting studs is connected in threaded hole；In the supporting studs 13
It is additionally provided with locking nut 12；13 lower end of supporting studs is supported in box baseplate；The sealed bladder 17 surrounds axle sleeve 19；
The top of the sealed bladder 17 is fixedly connected on the lower plane of A flange 19b using top board 16；The bottom benefit of the sealed bladder 17
It is fixedly connected on 10 bottom plate of cabinet with lower platen 18；The core of the axle sleeve 19 is equipped with the axle sleeve hole 19a of perforation, and shape is
Circle simulates culvert.
The longitudinal left side of the cabinet 10, the inside of forward and backward siding are respectively symmetrically fixedly connected a pair of upstanding baltimore groove 4,
Notch is opposite, between corresponding notch, is inserted with one piece of tailgate 5 for being lower than about 15 millimeters of 10 inside wall height of cabinet；Tailgate 5 is rectangular
Body, 25 millimeters of thickness, matching between tailgate 5 and baltimore groove 4 is combined into clearance fit, and gap is 1 millimeter.The tailgate 5 is equipped with
Adjustment mechanism；Baffle 54 is equipped on the right side of the tailgate 5；The adjustment mechanism is connect with baffle 54,54 left-right position of regulating fender；
The purpose is to facilitate the different size of concrete component of installation, the adjustment mechanism of the present embodiment is that perforation is equipped in the middle part of tailgate 5
Screw hole, is equipped with an adjustment screw 51 in perforation screw hole, and 51 right side of adjustment screw utilizes 54 activity of split washer 53 and baffle
Connection is used to 54 left and right displacement of regulating fender；Around adjustment screw 51, four carrying screw rods 52 are also evenly distributed on tailgate 5, with tail
Plate 5 is threadedly coupled, and is used to supporting baffle 54, when testing concrete component, the load being applied on baffle 54, by carrying spiral shell
Bar 52 is transmitted on tailgate 5.
The middle part of the 10 right end transverse direction siding of cabinet is equipped with a mounting hole 10c；The hydraulic cylinder 29 is single-piston rod
Hydraulic cylinder, piston rod 23 enter in cabinet outside cabinet right end across mounting hole 10c, utilize 29 upper end cover 25 of hydraulic cylinder
Fixation hole 2506, by hydraulic cylinder 29 by B sealing ring 24, i.e. O-ring seals, sealing is fixed on 10 right end transverse direction siding of cabinet
Outside, hydraulic cylinder 29 are controlled by oil pressure control system, guarantee required load when testing concrete component, and compress bending resistance
The load of test is adjustable as needed；The left end of piston rod 23 is hingedly connected at together, pressing plate using pin shaft 22 with pressing plate 21
21 lower plane be equipped with cushion 20, it is therefore an objective to the pressing force on crush board 21, can stepless action on concrete component.
The cabinet 10, bottom are additionally provided with case foot 11, and it is highly 85 millimeters that case foot 11, which is that angle bar is welded on cabinet,.
The middle part of the case lid 1 is equipped with an A mounting hole 1a, installs second set hydraulic cylinder 30, second set of hydraulic cylinder 30 and
The structure of aforementioned hydraulic cylinder 29 is identical；So that concrete had both been born the pressure of horizontal direction, while being also subjected to vertical direction
Pressure, so as to more accurate simulation concrete nature stress；A valve is additionally provided on the case lid 1
3, when for pouring water to cabinet 10, empty its inner air；
As shown in Figure 3, Figure 4, the end cap 25 of hydraulic cylinder 29, left locating journal 2502 and right locating journal 2511 set up end cap separately
25 left and right ends, middle part shape be it is step-like, left side be circle, right side be the circular inscribed square in left side, that is to say, that
The left thrust surface 2501 of end cap 25 is circle, and right thrust surface 2515 is rectangular, and it is close to be correspondingly provided on left and right thrust surface annular B
Sealing groove 2505 and C seal groove 2508；The internal diameter of B seal groove 2505 and C seal groove 2508 respectively with left locating journal 2502 and the right side
The outer diameter of locating journal 2511 is identical, to facilitate the installation of B sealing ring 24 and C sealing ring 27, B sealing ring 24 and C sealing ring 27
It is O-ring；Hydraulic cylinder fixation hole 2514 is symmetricly set on the quadrangle of right thrust surface 2512, is used to end cap 25 and hydraulic cylinder
Cylinder is fixedly connected；It fixation hole 2506 totally four, is symmetricly set on the symmetry axis of mounting surface 2513, fixation hole 2506 exists
The position of correspondence threaded hole on 10 right end siding of cabinet is arranged, and is be symmetricly set on mounting hole 10c vertically and horizontally symmetrical
On line.After guaranteeing that end cap 25 is fixedly connected with cabinet 10, distribution of the fixation hole 2506 on 10 right end siding of cabinet is respectively
Up and down.
End cap 25 is axially arranged with piston rod pilot hole 2504；The axial direction of the piston rod pilot hole 2504, from left to right,
E seal groove 2503, remittance liquid bath 2509, F seal groove 2510 is arranged in sequence, is respectively equipped in E seal groove 2503 and F seal groove 2510
E sealing ring 26 and F sealing ring 28, E sealing ring 26 and F sealing ring 28 are hole YX shape sealing ring, the opening direction of E sealing ring 26
To the left, for the hydraulic pressure in seal case 10；The opening direction of F sealing ring 28 to the right, for the oil pressure in sealed cylinder 29；Institute
In the rectangular surrounding plane of right thrust surface 2515 for stating the middle part of end cap 25, every Middle face be equipped with one with converge what liquid bath 2509 was connected to
Porus excretorius 2507, and make the axis of porus excretorius 2507 smooth vertical and horizontal, it is ensured that after end cap 25 is installed, always there is a porus excretorius 2507
Vertically downward, porus excretorius 2507 is kidney slot.
It converges the setting of liquid bath 2509, is for storing the water leaked out from cabinet 10 through E sealing ring 26, and from hydraulic
The oil that cylinder 29 is leaked out through F sealing ring 28；After avoiding the remittance storage of liquid bath 2509 full, water and hydraulic cylinder 29 in cabinet 10
Interior oil is ganged up mutually, end cap 25 provided with porus excretorius 2507, the present apparatus in four square sides up and down of end cap 25,
Being equipped with a porus excretorius 2507 always has the downward drain in the aperture of a porus excretorius 2507 after that is, end cap 25 is fixed to cabinet 10,
Upward hole can be used as port simultaneously, and left and right Kong Jike can also guarantee to converge liquid bath 2509 and big with drain with intake and exhaust
Gas connection, and air pressure balance is kept, and it is unobstructed that porus excretorius 2507 is drained, realize an end cap two way seal.
Claims (9)
1. it is a kind of based on bellows sealing experimental rig, include water tank, water pressure control system, water pipe head, oil pressure control system,
Hydraulic cylinder；It is characterized by: the water tank, includes cabinet and case lid；The cabinet is cuboid flute profile, and notch is upward, in slot
Mouth is equipped with flange, and gasket, case lid is arranged in sequence on flange；It is fixedly connected between the flange and case lid；The cabinet,
Left end transverse direction siding, top place placed in the middle are equipped with a cabinet inlet opening, in the outside of cabinet inlet opening, are equipped with water pipe head；Institute
Water pipe head is stated to be connected to water pressure control system；The middle part of the cabinet right end transverse direction siding is equipped with a mounting hole；The liquid
Cylinder pressure is single-piston-rod hydraulic cylinder, and piston rod enters in cabinet outside cabinet right end across mounting hole, utilizes hydraulic cylinder end cover
On fixation hole, hydraulic cylinder sealing is fixed on to the outside of cabinet right end transverse direction siding；The oil pressure control system control is hydraulic
The movement of cylinder inner piston and pressure；The piston rod, left end are flexibly connected a block pressur plate；The cabinet, bottom are additionally provided with
Case foot；
The cabinet, bottom plate are equipped with window aperture between two parties, are equipped with axle sleeve, axle sleeve and window aperture clearance fit in the window aperture；
The upper oral part of the axle sleeve is equipped with A flange；The A flange, radial middle part, at least provided with flat above and below three uniformly perforation A flange
The threaded hole in face；The upper plane of the A flange is equipped with rubber sheet gasketing；The rubber gasket on piece places concrete test
Component；Between the lower plane and box baseplate of the A flange, ecto-entad is equipped with supporting studs and sealed bladder；The support spiral shell
Column upper end is connected in threaded hole；Locking nut is additionally provided in the supporting studs；The supporting studs lower end is supported on cabinet
On bottom plate；The sealed bladder surrounds axle sleeve；The top of the sealed bladder is fixedly connected on the lower flat of A flange using top board
Face；The bottom of the sealed bladder is fixedly connected in box baseplate using lower platen；The cabinet is additionally provided with one on its bottom plate
Shut-off valve；
The longitudinal left side of the cabinet, the inside of forward and backward siding is respectively symmetrically fixedly connected at least a pair of upstanding baltimore groove, slot
Mouth is opposite；The baltimore groove corresponds between notch at it, is inserted with one piece of tailgate for being not higher than cabinet wall height；The tailgate
It is equipped with adjustment mechanism；Baffle is equipped on the right side of the tailgate；The adjustment mechanism is connect with baffle, regulating fender left-right position；
It also is provided with an A mounting hole in the middle part of the case lid, second set of hydraulic cylinder is installed；Second set of hydraulic cylinder and aforementioned hydraulic
Cylinder structure is identical；A valve is additionally provided on the case lid.
2. a kind of experimental rig based on bellows sealing according to claim 1, it is characterised in that: the water tank, material
Matter is metal material.
3. a kind of experimental rig based on bellows sealing according to claim 1, it is characterised in that: the water tank, table
Face is equipped with protective layer.
4. a kind of experimental rig based on bellows sealing according to claim 1, it is characterised in that: the hydraulic pressure control system
System is height-adjustable flexible water conduit.
5. a kind of experimental rig based on bellows sealing according to claim 1, it is characterised in that: the water pipe head,
For tubular both ends formula, the one end connecting with cabinet is flange, and the other end is quick coupling, is matched company with flexible water conduit one end
It connects.
6. a kind of experimental rig based on bellows sealing according to claim 1, it is characterised in that: the tailgate is inserted in
In baltimore groove, matching between tailgate and baltimore groove is combined into clearance fit, and gap is not less than 0.5 millimeter.
7. a kind of experimental rig based on bellows sealing according to claim 1, it is characterised in that: the piston rod,
Left end is equipped with a hinge hole.
8. a kind of experimental rig based on bellows sealing according to claim 1, it is characterised in that: the piston rod and pressure
To be flexibly connected between plate, movable connection method is hinge connection.
9. a kind of experimental rig based on bellows sealing according to claim 1, it is characterised in that: the end of the hydraulic cylinder
Lid, left locating journal and right locating journal set up end cap both ends separately, middle part shape be it is step-like, left side is circle, and right side is pros
Shape, side length are less than or equal to the circular inscribed square side length in left side, so that the left thrust surface of end cap is circle, right thrust surface is
It is rectangular, and B seal groove and C seal groove are correspondingly provided on left and right thrust surface；The end cap is axially arranged with piston rod guiding
Hole；In the pilot hole axially from left to right, E seal groove, remittance liquid bath, F seal groove is arranged in sequence；Pros in the middle part of the end cap
In shape surrounding plane, each in-plane is equipped with the porus excretorius being connected to remittance liquid bath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811376747.1A CN109443942A (en) | 2018-11-19 | 2018-11-19 | A kind of experimental rig based on bellows sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811376747.1A CN109443942A (en) | 2018-11-19 | 2018-11-19 | A kind of experimental rig based on bellows sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109443942A true CN109443942A (en) | 2019-03-08 |
Family
ID=65554532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811376747.1A Withdrawn CN109443942A (en) | 2018-11-19 | 2018-11-19 | A kind of experimental rig based on bellows sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109443942A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516902A (en) * | 2020-05-11 | 2020-08-11 | 西安近代化学研究所 | Equivalent aircraft fuel tank for water hammer effect test |
-
2018
- 2018-11-19 CN CN201811376747.1A patent/CN109443942A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516902A (en) * | 2020-05-11 | 2020-08-11 | 西安近代化学研究所 | Equivalent aircraft fuel tank for water hammer effect test |
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Application publication date: 20190308 |
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| WW01 | Invention patent application withdrawn after publication |