CN109459316A - A kind of experimental rig based on hydraulic load - Google Patents
A kind of experimental rig based on hydraulic load Download PDFInfo
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- CN109459316A CN109459316A CN201811375916.XA CN201811375916A CN109459316A CN 109459316 A CN109459316 A CN 109459316A CN 201811375916 A CN201811375916 A CN 201811375916A CN 109459316 A CN109459316 A CN 109459316A
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- cabinet
- case lid
- flange
- hydraulic cylinder
- 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
- G01N3/08—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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of experimental rig based on hydraulic load 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；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 ballast for carrying out saline and alkaline erosion to reinforced concrete member.
Description
Technical field
The present invention relates to a kind of experimental rig based on hydraulic load, 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 examination based on hydraulic load 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 hydraulic load 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 case lid
It is equipped with a mounting hole between two parties；The hydraulic cylinder is single-piston-rod hydraulic cylinder, and piston rod passes through mounting hole and enter from case lid top
In cabinet, hydraulic cylinder sealing is fixed on case lid by the fixation hole covered using cylinder ends；One is additionally provided on the case lid
Valve；The cabinet, left end transverse direction siding, top place placed in the middle is equipped with a cabinet inlet opening, in the outside of cabinet inlet opening,
Equipped with water pipe head；The water pipe head is connected to water pressure control system；
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, bottom are equipped with case foot；The movement of the oil pressure control system control piston in hydraulic cylinder and pressure；
The piston rod, lower end are flexibly connected a block pressur plate；
The end cap of the aforementioned hydraulic cylinder, when axis horizontal is placed, left locating journal and right locating journal set up end cap separately
Left and right ends, the axle journal with the cooperation of case lid upper installing hole are left locating journal, are right locating shaft with the cooperation of hydraulic cylinder sets of holes
Neck, shape is step-like in the middle part of end cap, and left side is circle, and right side is square, side length be less than or equal to left side it is circular in
Square side length is connect, so that it is rectangular that the left thrust surface of end cap, which is round and right thrust surface, and is correspondingly provided on left and right thrust surface
B seal groove and C seal groove；The end cap is axially arranged with piston rod pilot hole；In the pilot hole axially from left to right, sequentially
Equipped with E seal groove, remittance liquid bath, F seal groove；In square surrounding plane in the middle part of the end cap, each in-plane is equipped with
One porus excretorius being connected to remittance liquid bath.
The aforementioned water tank, material are metal material.
The aforementioned metal material is No. 20 carbon constructional quality steels.
The aforementioned water tank, surface are equipped with protective layer.
The aforementioned protective layer is epoxy resin.
The aforementioned water pipe head, the one end connecting with cabinet are flange, and the other end is the external round tube for being equipped with locking teeth.
The aforementioned water pressure control system is height-adjustable flexible water conduit
The aforementioned flexible water conduit is fire hose.
The aforementioned sealed bladder is rubber corrugated air bag.
The aforementioned piston rod, lower 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 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, meets and " seep
Stream-stress field " coupling test needs.The device 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；Applied voltage test is carried out to concrete component using hydraulic cylinder simultaneously,
There is the oil hydraulic system of hydraulic cylinder to adjust the pressure size of hydraulic cylinder, the setting of axle sleeve hole is for simulating bridges and culverts hole in " seepage flow-
Test under stress field " coupling, to realize the high l-G simulation test to concrete component.
In addition, the end cap of hydraulic cylinder passes through setting two-way sealing ring, and adds remittance liquid bath, porus excretorius, an end is realized
Lid two way seal.Piston rod automatically adjusts length, is adapted to different size of concrete component；Therefore, the device is not only real
Now concrete component is multifactor tests simultaneously, but also can adapt to different sizes by the piston rod regulatory function of hydraulic cylinder
Concrete component test requirements document.
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, mounting hole, 2, gasket, 3, valve, 6, A screw, 7, A sealing ring, 8, water pipe head, 9,
B screw, 10, cabinet, 10a, cabinet inlet opening, 10b, window aperture, 11, case foot, 12, locking nut, 13, supporting studs, 15, rubber
Glue gasket seal, 16, top board, 17, sealed bladder, 18, lower platen, 19, axle sleeve, 19a, axle sleeve hole, 19b, A flange, 21, pressure
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.
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 hydraulic load, 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 middle part of the case lid 1 is equipped with a mounting hole 1a；The hydraulic cylinder 29 is single-piston-rod hydraulic cylinder, piston rod
23, from 1 top of case lid, enter in cabinet 10 across mounting hole 1a, using the fixation hole 2506 of 29 upper end cover 25 of hydraulic cylinder, by liquid
Cylinder pressure 29 is fixed on the top of case lid 1 by B sealing ring 24, i.e. O-ring seals, sealing, and hydraulic cylinder 29 is by oil pressure control system
Control guarantees to carry out concrete component required load when applied voltage test, and test load is adjustable as needed；Piston rod 23
Lower end is hingedly connected at together using pin shaft 22 with pressing plate 21, it is therefore an objective to the pressing force on crush board 21, it being capable of stepless action
On concrete component.It being additionally provided with a valve 3 on the case lid 1, when for pouring water to cabinet 10, emptying its inner air.
The left end transverse direction siding of the cabinet 10, top place placed in the middle is equipped with a cabinet inlet opening 10a, in cabinet inlet opening
The outside of 10a is equipped with water pipe head 8, and water pipe head 8 and inlet opening 10a is made to keep concentric, and one end of water pipe head 8 is method
Orchid is fixedly connected by B screw 9, A sealing ring 7 with cabinet 10, and the other end of water pipe head 8 is the external circle for being equipped with locking teeth
Pipe connects fire hose, and the pressure resistance of fire hose is 2.5 megapascal, and length is 20 meters, when test, by the way that fire-fighting is raised and lowered
The height of water pipe adjusts the hydraulic pressure in cabinet 10；
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.
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.
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 YXShape 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 25 middle part of end cap, every face is equipped with the excretion being connected to remittance liquid bath 2509
Hole 2507, porus excretorius 2507 are 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 all around of end cap 25,
It is equipped with a porus excretorius 2507, for draining the water or oil that cabinet 10 or hydraulic cylinder 29 leak out.
Claims (10)
- It include water tank 1. a kind of experimental rig based on hydraulic load, 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 case lid occupies In be equipped with a mounting hole；The hydraulic cylinder is single-piston-rod hydraulic cylinder, and piston rod enters case from case lid top, across mounting hole In vivo, the fixation hole covered using cylinder ends, hydraulic cylinder sealing is fixed on case lid；A valve is additionally provided on the case lid Door；The cabinet, left end transverse direction siding, top place placed in the middle is equipped with a cabinet inlet opening, in the outside of cabinet inlet opening, if There is water pipe head；The water pipe head is connected to water pressure control system；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, bottom are equipped with case foot；The movement of the oil pressure control system control piston in hydraulic cylinder and pressure；It is described Piston rod, lower end are flexibly connected a block pressur plate.
- 2. a kind of experimental rig based on hydraulic load 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 hydraulic load 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 hydraulic load according to claim 1, it is characterised in that: the water pipe head, The one end connecting with cabinet is flange, and the other end is the external round tube for being equipped with locking teeth.
- 5. a kind of experimental rig based on hydraulic load according to claim 1, it is characterised in that: the hydraulic pressure control system System is height-adjustable flexible water conduit.
- 6. a kind of experimental rig based on hydraulic load according to claim 1, it is characterised in that: the flexible water conduit, For fire hose.
- 7. a kind of experimental rig based on hydraulic load according to claim 1, it is characterised in that: the sealed bladder is Rubber corrugated air bag.
- 8. a kind of experimental rig based on hydraulic load according to claim 1, it is characterised in that: the piston rod, Lower end is equipped with a hinge hole.
- 9. a kind of experimental rig based on hydraulic load 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.
- 10. a kind of experimental rig based on hydraulic load according to claim 1, it is characterised in that: the hydraulic cylinder End cap, when axis horizontal is placed, left locating journal and right locating journal set up end cap left and right ends separately, match with case lid upper installing hole The axle journal of conjunction is left locating journal, is right locating journal with the cooperation of hydraulic cylinder sets of holes, and shape is step-like in the middle part of end cap, 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 the left thrust of end cap Face is that round 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 It is axially arranged 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； 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811375916.XA CN109459316A (en) | 2018-11-19 | 2018-11-19 | A kind of experimental rig based on hydraulic load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811375916.XA CN109459316A (en) | 2018-11-19 | 2018-11-19 | A kind of experimental rig based on hydraulic load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109459316A true CN109459316A (en) | 2019-03-12 |
Family
ID=65610925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811375916.XA Withdrawn CN109459316A (en) | 2018-11-19 | 2018-11-19 | A kind of experimental rig based on hydraulic load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109459316A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049393A (en) * | 2021-03-17 | 2021-06-29 | 吴钟飞 | Board pressure detection device for deep sea detection capable of being uniformly pressed |
-
2018
- 2018-11-19 CN CN201811375916.XA patent/CN109459316A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049393A (en) * | 2021-03-17 | 2021-06-29 | 吴钟飞 | Board pressure detection device for deep sea detection capable of being uniformly pressed |
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Application publication date: 20190312 |