CN109612837A - One kind holding lotus erosion test device - Google Patents
One kind holding lotus erosion test device Download PDFInfo
- Publication number
- CN109612837A CN109612837A CN201811397559.7A CN201811397559A CN109612837A CN 109612837 A CN109612837 A CN 109612837A CN 201811397559 A CN201811397559 A CN 201811397559A CN 109612837 A CN109612837 A CN 109612837A
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- Prior art keywords
- cabinet
- case lid
- water
- flange
- hydraulic cylinder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
One kind of the present invention holds lotus erosion test device, 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 one kind to hold lotus erosion test device, refers in particular to a kind of concrete Columns and holds lotus erosion test device,
Belong 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 one kind and holds lotus erosion test dress for technical deficiency present in above-mentioned existing experimental rig
Set, the device not only can taking human as control corrosion rate medium composition, concentration and water pressure, while can also to concrete component into
Row compression test, and the load adjustable of compression test, realize high l-G simulation test.
The present invention is achieved through the following technical solutions:
One kind holding lotus erosion test device, 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 cabinet is cuboid flute profile, and notch is upward, is equipped on notch
Gasket, case lid is arranged in sequence on flange in flange;It is fixedly connected between the flange and case lid;The case lid is equipped with one between two parties
Mounting hole;The hydraulic cylinder is single-piston-rod hydraulic cylinder, and piston rod enters in cabinet from case lid top across mounting hole, benefit
The fixation hole covered with cylinder ends, hydraulic cylinder sealing is fixed on case lid;A valve is additionally provided on the case lid;It is described
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
Connector;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 additionally provided with shut-off valve and 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 or so separately
Both ends, the axle journal with the cooperation of case lid upper installing hole are left locating journal, are right locating journal with the cooperation of hydraulic cylinder sets of holes, end
Shape is step-like in the middle part of lid, and left side is circle, and right side is square, and side length is less than or equal to the circular inscribed pros in left side
Shape side length so that it is rectangular that the left thrust surface of end cap, which is round and right thrust surface, and is correspondingly provided with B sealing on left and right thrust surface
Slot and C seal groove;The end cap is axially arranged with piston rod pilot hole;In the pilot hole axially from left to right, E is arranged in sequence
Seal groove, remittance liquid bath, F seal groove;In square surrounding plane in the middle part of the end cap, each in-plane be equipped with one with
The porus excretorius that the liquid bath that converges is connected to;
The aforementioned water pressure control system includes water feeding tank, filter, water pump, unloading valve, check valve, shut-off valve, water pump input terminal
It is connected by filter with water feeding tank, water pump output end divides two tunnels, all the way water pump output end-unloading valve-water feeding tank, another way water
Pump output terminal-check valve, check valve output end is respectively to the water pipe head of cabinet left end, the end unloading valve A and pressure meter switch
To pressure gauge;The bottom surface of the cabinet is equipped with a shut-off valve;The output end of shut-off valve is connected to water feeding tank.
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 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, meet " seepage flow-
Stress field " coupling test needs.The device 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;Applied voltage test is carried out to concrete component using hydraulic cylinder simultaneously, there is liquid
The oil hydraulic system of cylinder pressure adjusts the pressure size of hydraulic cylinder, the setting of axle sleeve hole, is for simulating bridges and culverts hole " seepage flow-is answered
Test under the coupling of the field of force ", 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.
Fig. 5 is water pressure control system.
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 sheet gasketing, 16, top board, 17, sealed bladder, 18, lower platen, 19, axle sleeve, 19a, axle sleeve hole, 19b, A flange,
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
Circle, 29, hydraulic cylinder.
2501, left thrust surface, 2502, left locating journal, 2503, E seal groove, 2504, piston rod pilot hole, 2505, B
Seal groove, 2506, fixation hole, 2507, porus excretorius, 2508, C seal groove, 2509, remittance liquid bath, 2510, F seal groove, 2511, the right side
Locating journal, 2512, right thrust surface, 2513, mounting surface, 2514, hydraulic cylinder fixation hole.
61, water feeding tank, 62, filter, 63, water pump, 64, unloading valve, 65, pressure gauge, 66, pressure meter switch, 67, unidirectional
Valve, 69, shut-off valve.
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, one kind holding lotus erosion test device, and main body is a metal carbon constructional steel plate welding
Made of water tank, which contains cabinet 10 and case lid 1;Cabinet 10 is cuboid flute profile, and notch is upward, in notch to being externally provided with
Gasket 2, case lid 1 is arranged in sequence in the upper surface of flange in flange, and the material of gasket 2 is rubber;The method of case lid 1 and cabinet 10
It is fixedly connected between orchid by A screw 6;
The middle part of the case lid 1 is equipped with a mounting hole 1a;The hydraulic cylinder 29 be single-piston-rod hydraulic cylinder, piston rod 23 from
1 top of case lid, enters in cabinet 10 across mounting hole 1a, using the fixation hole 2506 of 29 upper end cover 25 of hydraulic cylinder, by hydraulic cylinder
29 are fixed on the top of case lid 1 by B sealing ring 24, i.e. O-ring seals, sealing, and hydraulic cylinder 29 is controlled by oil pressure control system,
Guarantee to carry out concrete component required load when applied voltage test, and test load is adjustable as needed;The lower end of piston rod 23,
Using pin shaft 22, be hingedly connected at together with pressing plate 21, it is therefore an objective to the pressing force on crush board 21, can stepless action in coagulation
On native 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, connect with the output end (P2) of check valve 67 in water pressure control system, 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, axle sleeve 19 and window in the window aperture 10b
Hole 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
Cloth penetrates through the threaded hole of A flange 19b lower planes, and the upper plane of A flange 19b is equipped with rubber sheet gasketing 15, in rubber seal
Above gasket 15, concrete component to be tested is placed;Between 10 bottom plate of lower plane and cabinet of A flange 19b, ecto-entad is set
There are supporting studs 13 and sealed bladder 17;13 upper end of supporting studs is connected in threaded hole;It is also set in the supporting studs 13
There is locking nut 12;13 lower end of supporting studs is supported in box baseplate;The sealed bladder 17 surrounds axle sleeve 19;It is described
The top of sealed bladder 17 is fixedly connected on the lower plane of A flange 19b using top board 16;Under the bottom of the sealed bladder 17 utilizes
Pressing plate 18 is fixedly connected on 10 bottom plate of cabinet;The core of the axle sleeve 19 is equipped with the axle sleeve hole 19a of perforation, and shape is circle
Shape 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.
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, shut-off valve 69,63 input terminal of water pump are connected by filter 62 with water feeding tank 61,63 output end of water pump point, two tunnels, all the way water pump
63 output ends-unloading valve, 64-water feeding tank 61,63 output ends of another way water pump-check valve 67,67 output end of check valve difference
Pressure gauge 65 is arrived to the water pipe head 8 of 10 left end of cabinet, the end unloading valve A and pressure meter switch 66;The bottom surface of the cabinet 10 is set
There is a shut-off valve 69, the output end of shut-off valve 69 is connected to water feeding tank 61.
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)
- It include water tank 1. one kind holds lotus erosion test device, water pressure control system, water pipe head, oil pressure control system is hydraulic Cylinder;It is characterized by: the water tank, includes cabinet and case lid;The cabinet is cuboid flute profile, and notch is upward, on notch Equipped with flange, gasket, case lid are arranged in sequence on flange;It is fixedly connected between the flange and case lid;The case lid is set between two parties There is a mounting hole;The hydraulic cylinder is single-piston-rod hydraulic cylinder, and piston rod enters cabinet from case lid top, across mounting hole Fixation hole that is interior, being 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 additionally provided with case foot;The movement of the oil pressure control system control piston in hydraulic cylinder and pressure;Institute Piston rod is stated, lower end is flexibly connected a block pressur plate;The aforementioned water pressure control system includes water feeding tank, filter, water pump, unloading valve, check valve, shut-off valve, water pump input terminal It is connected by filter with water feeding tank, water pump output end divides two tunnels, all the way water pump output end-unloading valve-water feeding tank, another way water Pump output terminal-check valve, check valve output end is respectively to the water pipe head of cabinet left end, the end unloading valve A and pressure meter switch To pressure gauge;The bottom surface of the cabinet is equipped with a shut-off valve, and the output end of shut-off valve is connected to water feeding tank;The end cap of the hydraulic cylinder, when axis horizontal is placed, left locating journal and right locating journal set up end cap left and right ends separately, Axle journal with the cooperation of case lid upper installing hole is left locating journal, and cooperating with hydraulic cylinder sets of holes is right locating journal, in end cap Portion's 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 in left side It is long, so that it is rectangular that the left thrust surface of end cap, which is round and right thrust surface, and B seal groove and C are correspondingly provided on left and right thrust surface Seal groove;The end cap is axially arranged with piston rod pilot hole;In the pilot hole axially from left to right, E sealing is arranged in sequence Slot, 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 and remittance liquid The porus excretorius of slot connection.
- 2. one kind according to claim 1 holds lotus erosion test device, it is characterised in that: the water tank, material are gold Belong to material.
- 3. one kind according to claim 1 holds lotus erosion test device, it is characterised in that: the water tank, surface are equipped with Protective layer.
- 4. one kind according to claim 1 holds lotus erosion test device, it is characterised in that: the water pipe head, with cabinet One end of connection is flange, and the other end is the external round tube for being equipped with locking teeth.
- 5. one kind according to claim 1 holds lotus erosion test device, it is characterised in that: the sealed bladder is rubber wave Line air bag.
- 6. one kind according to claim 1 holds lotus erosion test device, it is characterised in that: the piston rod, lower end are set There is a hinge hole.
- 7. one kind according to claim 1 holds lotus erosion test device, it is characterised in that: between the piston rod and pressing plate To be flexibly connected, movable connection method is hinge connection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811397559.7A CN109612837A (en) | 2018-11-22 | 2018-11-22 | One kind holding lotus erosion test device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811397559.7A CN109612837A (en) | 2018-11-22 | 2018-11-22 | One kind holding lotus erosion test device |
Publications (1)
Publication Number | Publication Date |
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CN109612837A true CN109612837A (en) | 2019-04-12 |
Family
ID=66004799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811397559.7A Withdrawn CN109612837A (en) | 2018-11-22 | 2018-11-22 | One kind holding lotus erosion test device |
Country Status (1)
Country | Link |
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CN (1) | CN109612837A (en) |
-
2018
- 2018-11-22 CN CN201811397559.7A patent/CN109612837A/en not_active Withdrawn
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Application publication date: 20190412 |