CN208366773U - A kind of chloride diffusion coefficient test splitting fixture - Google Patents
A kind of chloride diffusion coefficient test splitting fixture Download PDFInfo
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- CN208366773U CN208366773U CN201821100391.4U CN201821100391U CN208366773U CN 208366773 U CN208366773 U CN 208366773U CN 201821100391 U CN201821100391 U CN 201821100391U CN 208366773 U CN208366773 U CN 208366773U
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Abstract
The utility model provides a kind of chloride diffusion coefficient test splitting fixture, including pedestal, two pieces of side panels, lifting press strip, fixed press strip, adjustable arc baffle, fixed curved baffle and two pressure springs.The test needs to cleave the fixture of unconventional concrete sample after solving the problems, such as the test of RCM method with splitting fixture, substantially increases the accuracy of test, improves the working efficiency of test.
Description
Technical field
The utility model relates to a kind of test auxiliary tool, especially a kind of chloride diffusion coefficient test splitting folder
Tool.
Background technique
Chloride ion is to cause the main reason for steel bar corrosion is to cause concrete structure durability to decline.Reinforcing bar is in coagulation
The corrosion that corrosion in soil mainly occurs in the presence of hydrone, phase tarnishing processes are the mistakes of an electrochemical reaction
Journey.The iron of rebar surface constantly loses electronics and is dissolved in water, to gradually be corroded, while showing to form iron rust in reinforcing bar,
Volume expansion several times, cause concrete structure to crack.The destruction of chloride ion heap structures in structures local environment is current
The problem of paying high attention to is studied, has carried out stringent differentiation to chloride environment in durability design specification, and
The raw material index of concrete, protective layer thickness, water-cement ratio, admixture ratio etc. are clearly required.
The nuclear power in China mainly goes out in coastal area, and underground structure is in chloride environment, to guarantee the resistance to of structures
Long property, it is desirable that containment and underplate concrete chloride ion transport coefficient (RCM method), 28 days chloride diffusion coefficient DRCM≤5×
10-12m2/s.Detection chloride diffusion coefficient, which uses, to be met in Standard for test methods of longterm performance and durability of ordinary concrete standard
The detection device and detection method of RCM method.
Summary of the invention
The purpose of this utility model is that: a kind of chloride diffusion coefficient test splitting fixture is provided, it can be effective and rapid
Splitting detection use concrete sample.
To achieve the goals above, the utility model provides a kind of chloride diffusion coefficient test splitting fixture, packet
Include pedestal, two pieces of side panels, lifting press strip, fixed press strip, adjustable arc baffle, fixed curved baffle and two pressure springs；Two
Block side panel or so is vertically provided on pedestal in parallel；Fixed press strip be fixed on pedestal and be located at two pieces of side panels it
Between；A strip-shaped hole is vertically provided on two pieces of side panels, the item of two pieces of side panels is inserted at the both ends for going up and down press strip respectively
In shape hole, and the side board stretched out outside strip-shaped hole is respectively equipped on the both ends of lifting press strip；Go up and down press strip and fixed pressure
Upper and lower position is corresponding, and is equipped with splitting blade on the relative side of lifting press strip and fixed press strip；Under side board
On the side and upper side corresponding position of pedestal is equipped with guide post；The upper and lower ends of two pressure springs are respectively sleeved at correspondence
In two guide posts up and down of side, and the upper and lower ends of pressure spring are resiliently supported on the downside of side board respectively and pedestal
On upper side；Trapezoidal plate is vertically provided in the upper side edge middle position of lifting press strip；It is equipped on the upper side edge of trapezoidal plate
Pressing plate；Pressing plate is parallel with pedestal；Two pieces of bar shaped convex blocks are equipped at the front side edge respective heights of two pieces of side panels, in two pieces of items
A slot is equipped on the relative side of shape convex block；A fold edge strip is equipped at the both ends of adjustable arc baffle；Activity
Two fold edge strips of curved baffle are inserted into respectively in the slot of two sides；The both ends of fixed curved baffle are fixedly mounted on two pieces
In the back side edge of side panel；The arc top of fixed curved baffle is protruded to rear side, and the arc top of adjustable arc baffle is protruded to front side.
Further, guide chute is vertically provided on the vertical hole wall of strip-shaped hole；It is equipped in the end of lifting press strip
Guide runner of the slidingtype in guide chute.
Further, threaded hole is equipped at the top of the arc of fixed curved baffle；Threaded engagement has adjusting spiral shell on threaded hole
Bolt is rotatably provided with arc pressuring plate in the screw rod end for adjusting bolt, and arc pressuring plate is located at fixed curved baffle and activity
Between curved baffle.
Further, pin hole is equipped at the top of the arc of adjustable arc baffle；Bolt is fitted on pin hole；At the end of bolt
Portion is rotatably equipped with arc pressuring plate, and arc pressuring plate is located between fixed curved baffle and adjustable arc baffle；On bolt
It is arranged with support pressure spring, and pressure spring is supported to be resiliently supported between arc pressuring plate and adjustable arc baffle.
The utility model has the beneficial effects that: pick-and-place test specimen can be facilitated using dismountable adjustable arc baffle；Benefit
With bolt is adjusted test specimen is pushed to specified split-position, and under the action of supporting pressure spring, the arc surface of test specimen
Mutually it is close to the arc pressuring plate of front and rear sides；The splitting fixture needs to cleave unconventional concrete sample after solving the test of RCM method
Fixture problem, substantially increase the accuracy of test, improve the working efficiency of test.
Detailed description of the invention
Fig. 1 is the forward sight structural schematic diagram of the utility model；
Fig. 2 is the overlooking structure diagram of the utility model.
Specific embodiment
As illustrated in fig. 1 and 2, chloride diffusion coefficient test splitting fixture disclosed by the utility model include: pedestal 1,
Two pieces of side panels 2, lifting press strip 4, fixed press strip 3, adjustable arc baffle 8, fixed curved baffle 16 and two pressure springs 12；Two
Block side panel 2 or so is vertically provided on pedestal 1 in parallel；Fixed press strip 3 is fixed on pedestal 1 and is located at two pieces of side panels
Between 2；A strip-shaped hole is vertically provided on two pieces of side panels 2, two pieces of side panels are inserted at the both ends of lifting press strip 4 respectively
In 2 strip-shaped hole, and the side board 11 stretched out outside strip-shaped hole is respectively equipped on the both ends of lifting press strip 4；Go up and down press strip 4
It is corresponding with fixed 3 upper and lower position of press strip, and splitting blade 5 is equipped on the relative side of lifting press strip 4 and fixed press strip 3；
On the downside of side board 11 and the upper side corresponding position of pedestal 1 is equipped with guide post 13；Two pressure springs 12 it is upper
Lower both ends are respectively sleeved in two guide posts 13 up and down of respective side, and the upper and lower ends of pressure spring 12 are resiliently supported at side respectively
On the downside of side plate 11 and on the upper side of pedestal 1；Ladder is vertically provided in the upper side edge middle position of lifting press strip 4
Shape plate 6；Pressing plate 7 is equipped on the upper side edge of trapezoidal plate 6；Pressing plate 7 is parallel with pedestal 1；In the front side edge pair of two pieces of side panels 2
It should highly locate to be equipped with two pieces of bar shaped convex blocks 9, a slot 17 is equipped on the relative side of two pieces of bar shaped convex blocks 9；In activity
The both ends of curved baffle 8 are equipped with a fold edge strip 10；Two fold edge strips 10 of adjustable arc baffle 8 are inserted into two respectively
In the slot 17 of side；The both ends of fixed curved baffle 16 are fixedly mounted in the back side edge of two pieces of side panels 2；Fixed curved baffle
16 arc top is protruded to rear side, and the arc top of adjustable arc baffle 8 is protruded to front side.
Further, guide chute is vertically provided on the vertical hole wall of strip-shaped hole；It is equipped in the end of lifting press strip 4
Guide runner of the slidingtype in guide chute.
Further, threaded hole is equipped at the top of the arc of fixed curved baffle 16；Threaded engagement has adjusting on threaded hole
Bolt 14 is rotatably provided with arc pressuring plate 15 in the screw rod end for adjusting bolt 14, and arc pressuring plate 15 is located at fixed arc
Between baffle 16 and adjustable arc baffle 8.
Further, pin hole is equipped at the top of the arc of adjustable arc baffle 8；Bolt 19 is fitted on pin hole；In bolt
19 end is rotatably equipped with arc pressuring plate 15, and arc pressuring plate 15 is located at fixed curved baffle 16 and adjustable arc baffle 8
Between；It is arranged with support pressure spring 20 on bolt 19, and pressure spring 20 is supported to be resiliently supported at arc pressuring plate 15 and adjustable arc gear
Between plate 8.
Chloride diffusion coefficient test disclosed by the utility model uses splitting fixture in production, 1, two piece of side panel of pedestal
2, adjustable arc baffle 8 and fixed curved baffle 16 are all made of steel plate and are made；Effect working distance between two pieces of side panels 2
From for 100mm ± 5mm, meet be by splitting test specimen diameter 100mm cylindrical body requirement；Adjustable arc baffle 8 and fixed arc
The plan view shape of shape baffle 16 is the semicircular arc of diameter 100mm ± 5mm；Adjustable arc baffle 8 and fixed curved baffle
16 width up and down is 30mm, with a thickness of 2mm；Pressing plate 7 is the circular steel plate of diameter 50mm；Pedestal 1 is the steel of diameter 150mm
Plate.
Chloride diffusion coefficient test disclosed by the utility model when in use, is first put splitting fixture with splitting fixture
It sets on concrete pressure oil cylinder lifting plate, pedestal 1 is overlapped with the inner circle on lifting plate, guarantees pressure in same vertical line；
Test specimen to be cleaved is placed between left two pieces of side panels 2 again again, then adjustable arc baffle 8 is inserted into front side, is adjusted
Bolt 14 is pushed test specimen to specified split-position, under the action of supporting pressure spring 20, the arc surface of test specimen and front and back two
15 phase of arc pressuring plate of side is close to；Press machine lower platen is close to pressing plate 7 manually again, starting press machine is until test specimen cleaves；?
After press machine lower platen lifts, two pressure springs 12 support lifting rising of press strip 4 of two sides is lifted, then removes adjustable arc baffle 8,
Test specimen after being convenient to clean splitting；The splitting fixture needs to cleave the fixture of unconventional concrete sample after solving the test of RCM method
Problem substantially increases the accuracy of test, improves the working efficiency of test.
Claims (4)
1. a kind of chloride diffusion coefficient test splitting fixture, it is characterised in that: including pedestal (1), two pieces of side panels (2),
Go up and down press strip (4), fixed press strip (3), adjustable arc baffle (8), fixed curved baffle (16) and two pressure springs (12)；Two pieces
Side panel (2) left and right is vertically provided on pedestal (1) in parallel；Fixed press strip (3) are fixed on pedestal (1) and are located at two pieces
Between side panel (2)；A strip-shaped hole is vertically provided on two pieces of side panels (2), the both ends of lifting press strip (4) are inserted respectively
In the strip-shaped hole for entering two pieces of side panels (2), and the side stretched out outside strip-shaped hole is respectively equipped on the both ends of lifting press strip (4)
Side plate (11)；It is corresponding with fixed press strip (3) upper and lower position to go up and down press strip (4), and in lifting press strip (4) and fixes press strip (3)
Splitting blade (5) is equipped on relative side；On the downside of side board (11) and the upper side corresponding position of pedestal (1)
Place is equipped with guide post (13)；The upper and lower ends of two pressure springs (12) are respectively sleeved at two guide posts (13) up and down of respective side
On, and the upper and lower ends of pressure spring (12) are resiliently supported on the downside of side board (11) respectively and the upper side of pedestal (1)
On；Trapezoidal plate (6) are vertically provided in the upper side edge middle position of lifting press strip (4)；It is set on the upper side edge of trapezoidal plate (6)
There are pressing plate (7)；Pressing plate (7) is parallel with pedestal (1)；Two pieces of items are equipped at the front side edge respective heights of two pieces of side panels (2)
Shape convex block (9) is equipped with a slot (17) on the relative side of two pieces of bar shaped convex blocks (9)；In adjustable arc baffle (8)
Both ends are equipped with a fold edge strip (10)；Two fold edge strips (10) of adjustable arc baffle (8) are inserted into two sides respectively
In slot (17)；The both ends of fixed curved baffle (16) are fixedly mounted in the back side edge of two pieces of side panels (2)；Fixed arc gear
The arc top of plate (16) is protruded to rear side, and the arc top of adjustable arc baffle (8) is protruded to front side.
2. chloride diffusion coefficient test splitting fixture according to claim 1, it is characterised in that: in the perpendicular of strip-shaped hole
Guide chute is vertically provided on hole wall；Guiding of the slidingtype in guide chute is equipped in the end of lifting press strip (4)
Sliding block.
3. chloride diffusion coefficient test splitting fixture according to claim 1, it is characterised in that: in fixed arc gear
Threaded hole is equipped at the top of the arc of plate (16)；Threaded engagement has adjusting bolt (14) on threaded hole, in the spiral shell for adjusting bolt (14)
Boom end is rotatably provided with arc pressuring plate (15), and arc pressuring plate (15) is located at fixed curved baffle (16) and adjustable arc is kept off
Between plate (8).
4. chloride diffusion coefficient test splitting fixture according to claim 1, it is characterised in that: kept off in adjustable arc
Pin hole is equipped at the top of the arc of plate (8)；Bolt (19) are fitted on pin hole；Arc is rotatably installed in the end of bolt (19)
Pressing plate (15), and arc pressuring plate (15) is located between fixed curved baffle (16) and adjustable arc baffle (8)；On bolt (19)
It is arranged with support pressure spring (20), and pressure spring (20) is supported to be resiliently supported between arc pressuring plate (15) and adjustable arc baffle (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821100391.4U CN208366773U (en) | 2018-07-12 | 2018-07-12 | A kind of chloride diffusion coefficient test splitting fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821100391.4U CN208366773U (en) | 2018-07-12 | 2018-07-12 | A kind of chloride diffusion coefficient test splitting fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208366773U true CN208366773U (en) | 2019-01-11 |
Family
ID=64925099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821100391.4U Active CN208366773U (en) | 2018-07-12 | 2018-07-12 | A kind of chloride diffusion coefficient test splitting fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208366773U (en) |
-
2018
- 2018-07-12 CN CN201821100391.4U patent/CN208366773U/en active Active
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