CN109507093A - A kind of sealing pressure infiltration experiment device - Google Patents

A kind of sealing pressure infiltration experiment device Download PDF

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Publication number
CN109507093A
CN109507093A CN201811397552.5A CN201811397552A CN109507093A CN 109507093 A CN109507093 A CN 109507093A CN 201811397552 A CN201811397552 A CN 201811397552A CN 109507093 A CN109507093 A CN 109507093A
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China
Prior art keywords
cabinet
hydraulic cylinder
water
flange
case lid
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Withdrawn
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CN201811397552.5A
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Chinese (zh)
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不公告发明人
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Jianhu Lianzhong Intelligent Technology Co Ltd
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Jianhu Lianzhong Intelligent Technology Co Ltd
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Priority to CN201811397552.5A priority Critical patent/CN109507093A/en
Publication of CN109507093A publication Critical patent/CN109507093A/en
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
    • 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
    • G01N2203/0001—Type of application of the stress
    • G01N2203/0003—Steady
    • 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
    • G01N2203/023—Pressure
    • 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
    • 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
    • G01N2203/025—Geometry of the test
    • G01N2203/0254—Biaxial, the forces being applied along two normal axes of the specimen

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  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Pressure Vessels And Lids Thereof (AREA)

Abstract

A kind of sealing pressure infiltration experiment device 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

A kind of sealing pressure infiltration experiment device
Technical field
The present invention relates to a kind of sealing pressure infiltration experiment device, refers 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, to the testing equipment of concrete component, mostly individual event mesh experimental rig cannot effectively reflect tunnel-liner reality Border working condition cannot do high l-G simulation test.
Summary of the invention
The present invention provides a kind of sealing pressure infiltration examination 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 sealing pressure infiltration experiment device includes water tank, water pressure control system, water pipe head, oil pressure control system, liquid Cylinder pressure；It is characterized by: the water tank, includes cabinet and case lid；The cabinet is cuboid flute profile, and notch is upward, in notch It is equipped with flange, gasket, case lid is arranged in sequence on flange；It is fixedly connected between the flange and case lid；The cabinet, it is left Lateral siding is held, top place placed in the middle is equipped with a cabinet inlet opening, in the outside of cabinet inlet opening, is equipped with water pipe head；It is described Water pipe head is connected to water pressure control system；The longitudinal left side of the cabinet, the inside of forward and backward siding are erect symmetrical fixed respectively It is connected at least a pair of of baltimore groove, notch is opposite；The baltimore groove corresponds between notch at it, is inserted with one piece not higher than cabinet The tailgate of inside wall height；The middle part of the cabinet right end transverse direction siding is equipped with a mounting hole；The hydraulic cylinder is single-piston rod Hydraulic cylinder, piston rod are entered in cabinet, the fixation hole covered using cylinder ends from right end outside cabinet across mounting hole, will Hydraulic cylinder sealing is fixed on the outside of cabinet right end transverse direction siding；The movement of the oil pressure control system control piston in hydraulic cylinder 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；
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.
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 pressure control system includes water feeding tank, filter, water pump, unloading valve, check valve, water pump input End is connected by filter with water feeding tank；The water pump output end divides two tunnels, all the way water pump output end-unloading valve-water feeding tank, separately Water pump output end-check valve all the way, the check valve output end water pipe head to cabinet left end, unloading valve control terminal respectively (end A) and pressure meter switch are to pressure gauge；The aforementioned water tank, material are metal material.
The aforementioned water tank, surface are equipped with protective layer.
The aforementioned water pipe head is tubular both ends formula, and the one end connecting with cabinet is flange, and the other end is equipped with pipe spiral shell The round tube of line.
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.
The aforementioned baltimore groove, the width and depth and trough rim thickness of notch are not less than the thickness of tailgate,
The aforementioned tailgate, shape be it is rectangular, thickness be not less than 15 millimeters.
The advantages of the present invention:
It is an advantage of the invention that the arrangement achieves concrete components to hold lotus and infiltration while the target carried out, meet " seepage flow- Stress field " coupling test needs, which not only can pass through hydraulic pressure control taking human as control corrosion rate medium composition, concentration System can control to concrete component water pressure；Compression bending resistance is carried out to concrete component using double hydraulic cylinder simultaneously to try It tests, the pressure size of hydraulic cylinder is adjusted by the oil hydraulic system of hydraulic cylinder, to realize the high l-G simulation test to concrete component.It is hydraulic Cylinder 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.
Fig. 5 is water pressure control system.
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, Axle sleeve, 19a, axle sleeve hole, 19b, A flange, 20, cushion, 21, pressing plate, 22, pin shaft, 23, piston rod, 24, B sealing ring, 25, end Lid, 26, E sealing ring, 27, C sealing ring, 28, F sealing ring, 29, hydraulic cylinder, 30, second sets of hydraulic cylinders；
2501, left thrust surface, 2502, left locating journal, 2503, E seal groove, 2504, piston rod pilot hole, 2505, B sealing Slot, 2506, fixation hole, 2507, porus excretorius, 2508, C seal groove, 2509, remittance liquid bath, 2510, F seal groove, 2511, right positioning 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 sealing pressure infiltration experiment device, 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 Round tube equipped with pipe screw thread is connect with the output end (P2) of check valve 67 in water pressure control system.
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 erect symmetrically be fixedly connected two pairs of baltimore grooves 4 respectively, Notch is opposite, the purpose is to facilitate the different size of concrete component of installation, between corresponding notch, is inserted with one piece lower than cabinet The tailgate 5 that about 15 millimeters of 10 inside wall heights；Tailgate 5 is cuboid, and 25 millimeters of thickness, matching between tailgate 5 and baltimore groove 4 is combined into Clearance fit, gap are 1 millimeter.
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 25 separately 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 end cap 25 left thrust surfaces 2501 are circle, and right thrust surface 2515 is rectangular, and annular B seal groove is correspondingly provided on left and right thrust surface 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 right positioning The outer diameter of axle journal 2511 is identical, and to facilitate the installation of B sealing ring 24 and C sealing ring 27, B sealing ring 24 and C sealing ring 27 are O Shape circle；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 It is fixedly connected；It fixation hole 2506 totally four, is symmetricly set on the symmetry axis of mounting surface 2513, fixation hole 2506 is in cabinet The position of correspondence threaded hole on 10 right end sidings is arranged, and is symmetricly set on the vertically and horizontally line of symmetry of mounting hole 10c. 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 left up and down It is right.
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.
As shown in figure 5, the water pressure control system, including water feeding tank 61, filter 62, water pump 63, unloading valve 64, check valve 67,63 input terminal of water pump is connected by filter 62 with water feeding tank 61,63 output end of water pump point, two tunnels, all the way 63 output end of water pump- 64-water feeding tank of unloading valve 61,63 output ends of another way water pump-check valve 67,67 output end of check valve are left to cabinet 10 respectively Water pipe head 8,64 control terminal of unloading valve (end A) and the pressure meter switch 66 at end arrive pressure gauge 65.
The course of work of water pressure control system: by the salt water in water feeding tank 61 through 62-water pump of filter, 63-check valve 67- 8-cabinet of water pipe head 10；When the pressure in cabinet 10 reaches the setting value of unloading valve 64, water pump 63 is exported through unloading valve 64 Start off-load work, cabinet 10 passes through 67 pressure maintaining of check valve；When the pressure in cabinet 10 is less than the close value of unloading valve 64, unload Lotus valve 64 is automatically closed, and water pump 63 exports through check valve 67, water pipe head 8, continues to supply water to cabinet 10.

Claims (7)

  1. It include water tank 1. a kind of sealing pressure infiltration experiment device, 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 longitudinal left side of the cabinet, the inside of forward and backward siding are erect symmetrical solid respectively Surely it is connected at least a pair of of baltimore groove, notch is opposite；The baltimore groove corresponds between notch at it, is inserted with one piece not higher than case The tailgate of body inside wall height；The middle part of the cabinet right end transverse direction siding is equipped with a mounting hole；The hydraulic cylinder is single-piston Bar hydraulic cylinder, piston rod are entered in cabinet, the fixation hole covered using cylinder ends from right end outside cabinet across mounting hole, Hydraulic cylinder sealing is fixed on to the outside of cabinet right end transverse direction siding；The shifting of the oil pressure control system control piston in hydraulic cylinder Dynamic 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；
    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；
    The end cap of the hydraulic cylinder, left locating journal and right locating journal set up end cap both ends separately, and middle part shape is step-like, left side For circle, right side is square, and side length is less than or equal to the circular inscribed square side length in left side, so that the left thrust surface of end cap For circle, right thrust surface is rectangular, and B seal groove and C seal groove are correspondingly provided on left and right thrust surface；The axis of the end cap To equipped with piston rod pilot hole；In the pilot hole axially from left to right, E seal groove, remittance liquid bath, F seal groove is arranged in sequence；Institute It states in the square surrounding plane in the middle part of end cap, each in-plane is equipped with the porus excretorius being connected to remittance liquid bath；
    The aforementioned water pressure control system is logical comprising water feeding tank, filter, water pump, unloading valve, check valve, the water pump input terminal Filter is connected with water feeding tank；The water pump output end divides two tunnels, all the way water pump output end-unloading valve-water feeding tank, another way Water pump output end-check valve, the check valve output end water pipe head to cabinet left end, unloading valve control terminal (A respectively End) and pressure meter switch to pressure gauge.
  2. 2. a kind of sealing pressure infiltration experiment device according to claim 1, it is characterised in that: the water tank, material Matter is metal material.
  3. 3. a kind of sealing pressure infiltration experiment device according to claim 1, it is characterised in that: the water tank, table Face is equipped with protective layer.
  4. 4. a kind of sealing pressure infiltration experiment device 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 the round tube equipped with pipe screw thread.
  5. 5. a kind of sealing pressure infiltration experiment device 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.
  6. 6. a kind of sealing pressure infiltration experiment device according to claim 1, it is characterised in that: the piston rod, Left end is equipped with a hinge hole.
  7. 7. a kind of sealing pressure infiltration experiment device 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.
CN201811397552.5A 2018-11-22 2018-11-22 A kind of sealing pressure infiltration experiment device Withdrawn CN109507093A (en)

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Application Number Priority Date Filing Date Title
CN201811397552.5A CN109507093A (en) 2018-11-22 2018-11-22 A kind of sealing pressure infiltration experiment device

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Application Number Priority Date Filing Date Title
CN201811397552.5A CN109507093A (en) 2018-11-22 2018-11-22 A kind of sealing pressure infiltration experiment device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110208171A (en) * 2019-05-30 2019-09-06 长安大学 Tunnel gunite concrete solidification imitation experimental rig and method under soft water erosion environment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110208171A (en) * 2019-05-30 2019-09-06 长安大学 Tunnel gunite concrete solidification imitation experimental rig and method under soft water erosion environment
CN110208171B (en) * 2019-05-30 2023-10-20 长安大学 Tunnel sprayed concrete crystallization simulation test device and method in soft water erosion environment

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