CN202092940U - Road material corrosion testing machine - Google Patents
Road material corrosion testing machine Download PDFInfo
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- CN202092940U CN202092940U CN2011202160929U CN201120216092U CN202092940U CN 202092940 U CN202092940 U CN 202092940U CN 2011202160929 U CN2011202160929 U CN 2011202160929U CN 201120216092 U CN201120216092 U CN 201120216092U CN 202092940 U CN202092940 U CN 202092940U
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- solenoid valve
- cylinder
- corrosion chamber
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Abstract
The utility model discloses a road material corrosion testing machine, which comprises a corrosion chamber, a cylinder and an air pump. A first lateral wall of the corrosion chamber is provided with a lateral door, a supporting plate is provided with a solenoid valve and a counting sensor, an air inlet is arranged on one side of the solenoid valve, and an air outlet and an air return opening are arranged on the other side of the solenoid valve. The solenoid valve is connected with a controller, and the counting sensor is connected with the controller. A pressure bottom plate, a pressure top plate, a guiding rod and at least two connecting rods are arranged inside the corrosion chamber, a test piece tray is installed at the upper end of the guiding rod, and the pressure bottom plate is movably arranged on the guiding rod. The end portion of a piston rod of the cylinder penetrates through the supporting plate and is connected with the pressure top plate through through holes, and counting sheets are installed on the piston rod of the cylinder. A water injection port is arranged at the top of the corrosion chamber, a liquid removing hole is arranged on the first lateral wall of the corrosion chamber, and a liquid removing tube is installed inside the liquid removing hole. The road material corrosion testing machine can achieve evenness of solution concentration during corrosion process and ensures accuracy of corrosion effect of integral surface of the test piece.
Description
Technical field
The utility model relates to a kind of dissolved corrosion test machine, particularly relates to a kind of pavement material dissolved corrosion test machine.
Background technology
The quality of the anti-corrosion performance of base material will influence road surface usability and life-span, and under the vehicular load effect, ground surface material reduces because of corrosion causes intensity, and the degradation bad phenomenon happens occasionally under the bearing capacity.The anti-corrosion performance of ground surface material becomes one of important content of pavement durability research.
At present, the research erodible about material mainly concentrates on the waterwork aspect, the corrosion method of testing of widespread use mainly contains following four classes: the one, and leaching process, be that the maintenance cement paste that arrives certain length of time is in addition broken, get certain size particles as sample, add the ion concentration of measuring wherein behind the immersion of a certain amount of distilled water or low-hardness water, the stirring certain hour then and change; The 2nd, percolation, promptly water forces to pass concrete or mortar specimen under certain pressure, measures the amount of lime that leaches then; The 3rd, fluid jet promptly is mapped on the surface of mortar specimen with nozzle ejection pure water, according to visual inspection, estimates the degree of its wearing and tearing and erosion, perhaps with weightlessness the measuring as the cement corrosion of test specimen; The 4th, simulated acceleration test stirs water with stirring machine and comes simulated flow, substitutes concrete sample with mortar specimen and with support test specimen is fixed in the water, and test specimen is thin to play the effect of quickening corrosion.Wherein leaching process is with the test specimen fragmentation, and the actual corrosion situation of this and pavement material does not meet; Percolation is to make water force to pass test specimen under certain pressure, simulating the actual conditions of water retaining structure preferably, but inconsistent with the pavement material corrosion environment of reality; Fluid jet is measured the corrosion situation by the weightlessness of test specimen and is not directly carried out dissolved corrosion test; Simulated acceleration test is a water in test specimen surface rotational flow, can not simulate the effect of true highway loading.
Method of testing about the pavement material corrosion does not also have the feasible device of a cover to realize at present.Therefore, inventing a kind of experimental provision of accurate mensuration pavement material corrosion effect, is one of important content of research ground surface material corrosion performance.
The utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of pavement material dissolved corrosion test machine is provided.This pavement material dissolved corrosion test machine can realize solution concentration in the corrosion process evenly, the corrosion storehouse that is formed by pressure base plate, pressure top board and at least two connecting links is in that corrosion is indoor when moving up and down, the flow velocity of the water of its side is even, stable, has guaranteed the corrosion effect accuracy of whole test specimen aspect.
For achieving the above object, the technical solution adopted in the utility model is: pavement material dissolved corrosion test machine, it is characterized in that: comprise the corrosion chamber, cylinder and pressurized air also provide the air pump of power for described cylinder, the first side wall of described corrosion chamber is provided with side door, described the first side wall and side door are for being tightly connected, the top of described corrosion chamber is provided with supporting plate, described cylinder is installed on the supporting plate, on the described supporting plate and be positioned at the sensor for countering that the right side of cylinder and left side are respectively arranged with solenoid valve and transmit the number of times information that cylinder piston rod moves downward, one side of described solenoid valve is provided with air intake opening, the another side of described solenoid valve is provided with gas outlet and return-air mouth, described return-air mouth is connected with air dispelling hole, described air pump is connected with air intake opening by connecting tube one, described cylinder is connected with the return-air mouth with the gas outlet respectively with connecting tube three by connecting tube two, described solenoid valve is connected with the controller that the gaseous tension that enters solenoid valve and compressed gas flow are controlled by data line, described sensor for countering is connected with described controller by data line, and the end of described sensor for countering passes supporting plate, the indoor pressure base plate that is provided with of described corrosion, the pressure top board, guide rod and at least two connecting links, the lower end of described guide rod is fixedly mounted on the diapire of corrosion chamber, the upper end of described guide rod is equipped with the test specimen pallet, described pressure base plate is movably arranged on the guide rod, top and described pressure top board that described pressure top board is positioned at the pressure base plate are connected by connecting link with the pressure base plate, top, described corrosion chamber offers through hole, the end of described cylinder piston rod is passed supporting plate and is connected with the pressure top board by described through hole, on the described cylinder piston rod and the below that is positioned at described sensor for countering is equipped with count slice, top, described corrosion chamber is provided with water filling port, offer liquid outlet on the first side wall of described corrosion chamber, in the described liquid outlet liquid flowing tube is installed.
Above-mentioned pavement material dissolved corrosion test machine, it is characterized in that: the inwall of described through hole is provided with the sleeve pipe with the cylinder piston rod clearance fit.
Above-mentioned pavement material dissolved corrosion test machine is characterized in that: an end of described side door is installed in by at least two hinges on the first side wall of corrosion chamber, and the other end of described side door is equipped with door handle.
Above-mentioned pavement material dissolved corrosion test machine is characterized in that: the arranged outside of described the first side wall has an end to extend into indoor transparent communicating pipe of corrosion.
Above-mentioned pavement material dissolved corrosion test machine is characterized in that: be provided with sealing strip between described side door and the first side wall.
Above-mentioned pavement material dissolved corrosion test machine is characterized in that: be provided with water funnel in the described water filling port.
Above-mentioned pavement material dissolved corrosion test machine is characterized in that: the corrosion chamber is stretched out on the described corrosion chamber and the upper end of second sidewall relative with the first side wall, and an end of described supporting plate is fixed on the extension of second sidewall.
Above-mentioned pavement material dissolved corrosion test machine is characterized in that: on the described liquid flowing tube valve is installed.
The utility model compared with prior art has the following advantages:
1, of the present utility model simple in structure, only need a people to get final product complete operation, use very easy.
2, volume of the present utility model is little, in light weight, and convenient disassembly is convenient to transportation very much.
3, the utility model can realize permeating current at the uniform velocity, stable, accurately control.Testing equipment adopts external air pump that controlled pressure is provided, and realized any adjusting of flowing pressure and flow velocity in the process of the test.
4, the utility model can realize solution concentration in the corrosion process evenly.The corrosion storehouse that pressure top board, pressure top board and connecting link form is in that corrosion is indoor when moving up and down, the water flow velocity of its side evenly, stable, guaranteed the corrosion effect accuracy of whole test specimen aspect.
5, the utility model is by being provided with the height of corrosion liquid level in transparent communicating pipe may observe process of the test, so that moisturizing in time.
In sum, the utility model is simple in structure, rationally novel in design, the functional reliability height, long service life, can realize solution concentration in the corrosion process evenly, the corrosion storehouse is in that corrosion is indoor when moving up and down, the flow velocity of the water of its side is even, stable, has guaranteed the corrosion effect accuracy of whole test specimen aspect.Result of use is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present utility model.
Fig. 2 is the partial enlarged drawing at A place among Fig. 1.
Fig. 3 is the B-B view among Fig. 1.
Description of reference numerals:
1-pressure base plate; 2-test specimen pallet; 3-corrosion chamber;
4-second sidewall; The 5-connecting link; 6-pressure top board;
Top, 7-corrosion chamber; The 8-sleeve pipe; The 9-count slice;
The 10-sensor for countering; The 11-cylinder; The 12-solenoid valve;
The 13-supporting plate; The 14-cylinder piston rod; The 15-water funnel;
The 16-the first side wall; Transparent communicating pipe of 17-; The 18-liquid flowing tube;
The 19-valve; The 20-guide rod; The 21-air pump;
The 22-controller; The 23-hinge; The 24-side door;
The 25-door handle; The 26-sealing strip; The 27-air dispelling hole;
28-connecting tube one; The 29-air intake opening; 30-connecting tube two;
The 31-gas outlet; 32-connecting tube three; 33-return-air mouth;
34-corrosion storehouse.
Embodiment
As Fig. 1, Fig. 2 and a kind of pavement material dissolved corrosion test machine shown in Figure 3, comprise corrosion chamber 3, cylinder 11 and pressurized air also provide the air pump 21 of power for described cylinder 11, the first side wall 16 of described corrosion chamber 3 is provided with side door 24, described the first side wall 16 and side door 24 are for being tightly connected, the top of described corrosion chamber 3 is provided with supporting plate 13, described cylinder 11 is installed on the supporting plate 13, on the described supporting plate 13 and be positioned at the sensor for countering 10 that the right side of cylinder 11 and left side are respectively arranged with solenoid valve 12 and transmit the number of times information that cylinder piston rod 14 moves downward, one side of described solenoid valve 12 is provided with air intake opening 29, the another side of described solenoid valve 12 is provided with gas outlet 31 and return-air mouth 33, described return-air mouth 33 is connected with air dispelling hole 27, described air pump 21 is connected with air intake opening 29 by connecting tube 1, described cylinder 11 is connected with return-air mouth 33 with gas outlet 31 respectively with connecting tube 3 32 by connecting tube 2 30, described solenoid valve 12 is connected with the controller 22 that the gaseous tension that enters solenoid valve 12 and compressed gas flow are controlled by data line, described sensor for countering 10 is connected with described controller 22 by data line, and the end of described sensor for countering 10 passes supporting plate 13, be provided with pressure base plate 1 in the described corrosion chamber 3, pressure top board 6, guide rod 20 and at least two connecting links 5, described pressure base plate 1, pressure top board 6 and at least two connecting links 5 form corrosion storehouse 34, the lower end of described guide rod 20 is fixedly mounted on 3 diapires of corrosion chamber, the upper end of described guide rod 20 is equipped with test specimen pallet 2, described pressure base plate 1 is movably arranged on the guide rod 20, top and described pressure top board 6 that described pressure top board 6 is positioned at pressure base plate 1 are connected by connecting link 5 with pressure base plate 1, concrete, be connected by the same side of two connecting links 5 respectively pressure base plate 1 and pressure top board 6, top, described corrosion chamber 7 offers through hole, the end of described cylinder piston rod 14 is passed supporting plate 13 and is connected with pressure top board 6 by described through hole, on the described the cylinder piston rod 14 and below that is positioned at described sensor for countering 10 is equipped with count slice 9, top, described corrosion chamber 7 is provided with water filling port, offer liquid outlet on the first side wall 16 of described corrosion chamber 3, liquid flowing tube 18 is installed in the described liquid outlet.The arranged outside of described the first side wall 16 has an end to extend into transparent communicating pipe 17 in the corrosion chamber 3.
During use, at first, get conical flask and demarcate EDTA solution in the conical flask, then, open side door 24, test specimen is put on the test specimen pallet 2, in corrosion chamber 3, inject cooling distilled water by water filling port,, make the water surface be higher than test specimen 1-2cm from transparent communicating pipe 17 observing water surface elevation.Then, opening controller 22, corrosion storehouse 34 is pumped together at the drive lower edge of cylinder piston rod 14 guide rod 20, corrosion solution carries out the corrosion that intensity equates along the test specimen sidewall, and formation round-robin corrosion solution, by linker 17 may observe corrosion liquid levels, so that moisturizing in time.Drive the number of times that corrosion storehouse 34 pumps by sensor for countering 10 and count slice 9 mating reactions record cylinder piston rod 14, after corrosion storehouse 34 pumps certain number of times, open liquid flowing tube 18, corrosion solution is slowly flowed out and corrosion solution is imported in the buret.Next, carry out the EDTA burette test, treat to stop when EDTA solution in the conical flask becomes blueness by pink colour test.
The utility model drives corrosion storehouse 34 by cylinder piston rod 14 and moves up and down along guide rod 20, can realize solution concentration in the corrosion process evenly, when corrosion storehouse 34 moves up and down in corrosion chamber 3, the flow velocity of the water of its side is even, stable, has guaranteed the corrosion effect accuracy of whole test specimen side.
Corrosion of the present utility model storehouse 34 constitutes a rigid unitary by pressure base plate 1, pressure top board and connecting link 5.Test specimen is fixed on the test specimen pallet 2, described corrosion storehouse 34 is shuttling movement about the drive of cylinder piston rod 14, promote corrosion chamber 3 interior current the test specimen side is produced stable circulation corrosion infiltration hydraulic pressure, realized the corrosion process that test specimen side continous-stable evenly loads, test findings is quick, accurate, reappearance is high.By being arranged on the 17 pairs of corrosion real-time process monitorings of transparent communicating pipe on 3 the first side walls 16 of described corrosion chamber, be convenient to observation, adjust the corrosion level change, guarantee that the dissolved corrosion test result is accurately, reliably.
As shown in Figure 1, preferred way is that the inwall of described through hole is provided with the sleeve pipe 8 with cylinder piston rod 14 clearance fit.By being set, sleeve pipe 8 can guarantee that cylinder piston rod 14 is not offset in the motion of vertical direction.
As shown in Figure 3, an end of described side door 24 is installed on the first side wall 16 of corrosion chamber 3 by at least two hinges 23, and the other end of described side door 24 is equipped with door handle 25.Be provided with sealing strip 26 between described side door 24 and the first side wall 16.By the sealing that sealing strip 26 has strengthened corrosion chamber 3 is set, make that the water in the corrosion chamber 3 can not exosmose.
As shown in Figure 1, be provided with water funnel 15 in the described water filling port.Corrosion chamber 3 is stretched out on the described corrosion the chamber 3 and upper end of second sidewall 4 relative with the first side wall 16, and an end of described supporting plate 13 is fixed on the extension of second sidewall 4.On the described liquid flowing tube 18 valve 19 is installed.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment did, all still belong in the protection domain of technical solutions of the utility model.
Claims (8)
1. pavement material dissolved corrosion test machine, it is characterized in that: comprise corrosion chamber (3), cylinder (11) and pressurized air also provide the air pump (21) of power for described cylinder (11), the first side wall (16) of described corrosion chamber (3) is provided with side door (24), described the first side wall (16) and side door (24) are for being tightly connected, the top of described corrosion chamber (3) is provided with supporting plate (13), described cylinder (11) is installed on the supporting plate (13), described supporting plate (13) is gone up and is positioned at the sensor for countering (10) that the right side of cylinder (11) and left side are respectively arranged with the number of times information that solenoid valve (12) and transmission cylinder piston rod (14) move downward, one side of described solenoid valve (12) is provided with air intake opening (29), the another side of described solenoid valve (12) is provided with gas outlet (31) and return-air mouth (33), described return-air mouth (33) is connected with air dispelling hole (27), described air pump (21) is connected with air intake opening (29) by connecting tube one (28), described cylinder (11) is connected with return-air mouth (33) with gas outlet (31) respectively with connecting tube three (32) by connecting tube two (30), described solenoid valve (12) is connected with the controller (22) that the gaseous tension that enters solenoid valve (12) and compressed gas flow are controlled by data line, described sensor for countering (10) is connected with described controller (22) by data line, and the end of described sensor for countering (10) passes supporting plate (13), be provided with pressure base plate (1) in the described corrosion chamber (3), pressure top board (6), guide rod (20) and at least two connecting links (5), the lower end of described guide rod (20) is fixedly mounted on the diapire of corrosion chamber (3), the upper end of described guide rod (20) is equipped with test specimen pallet (2), described pressure base plate (1) is movably arranged on the guide rod (20), top and described pressure top board (6) that described pressure top board (6) is positioned at pressure base plate (1) are connected by connecting link (5) with pressure base plate (1), top, described corrosion chamber (7) offers through hole, the end of described cylinder piston rod (14) is passed supporting plate (13) and is connected with pressure top board (6) by described through hole, described cylinder piston rod (14) is gone up and the below that is positioned at described sensor for countering (10) is equipped with count slice (9), top, described corrosion chamber (7) is provided with water filling port, described the first side wall offers liquid outlet on (16), and liquid flowing tube (18) is installed in the described liquid outlet.
2. pavement material dissolved corrosion test machine according to claim 1 is characterized in that: the inwall of described through hole is provided with the sleeve pipe (8) with cylinder piston rod (14) clearance fit.
3. pavement material dissolved corrosion test machine according to claim 1 and 2, it is characterized in that: an end of described side door (24) is installed on the first side wall (16) of corrosion chamber (3) by at least two hinges (23), and the other end of described side door (24) is equipped with door handle (25).
4. pavement material dissolved corrosion test machine according to claim 1 and 2 is characterized in that: the arranged outside of described the first side wall (16) has an end to extend into interior transparent communicating pipe (17) of corrosion chamber (3).
5. pavement material dissolved corrosion test machine according to claim 1 and 2 is characterized in that: be provided with sealing strip (26) between described side door (24) and the first side wall (16).
6. pavement material dissolved corrosion test machine according to claim 1 and 2 is characterized in that: be provided with water funnel (15) in the described water filling port.
7. pavement material dissolved corrosion test machine according to claim 1 and 2, it is characterized in that: corrosion chamber (3) is stretched out in the upper end of second sidewall (4) that described corrosion chamber (3) is last and relative with the first side wall (16), and an end of described supporting plate (13) is fixed on the extension of second sidewall (4).
8. pavement material dissolved corrosion test machine according to claim 1 and 2 is characterized in that: valve (19) is installed on the described liquid flowing tube (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202160929U CN202092940U (en) | 2011-06-23 | 2011-06-23 | Road material corrosion testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202160929U CN202092940U (en) | 2011-06-23 | 2011-06-23 | Road material corrosion testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202092940U true CN202092940U (en) | 2011-12-28 |
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ID=45368001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202160929U Expired - Fee Related CN202092940U (en) | 2011-06-23 | 2011-06-23 | Road material corrosion testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202092940U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279150A (en) * | 2011-06-23 | 2011-12-14 | 长安大学 | Road material corrosion testing machine |
| CN104122186A (en) * | 2014-08-01 | 2014-10-29 | 山东省水利科学研究院 | Permeation corrosion testing device of flexible permeation-proof material and testing method thereof |
-
2011
- 2011-06-23 CN CN2011202160929U patent/CN202092940U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279150A (en) * | 2011-06-23 | 2011-12-14 | 长安大学 | Road material corrosion testing machine |
| CN102279150B (en) * | 2011-06-23 | 2013-05-22 | 长安大学 | Road material corrosion testing machine |
| CN104122186A (en) * | 2014-08-01 | 2014-10-29 | 山东省水利科学研究院 | Permeation corrosion testing device of flexible permeation-proof material and testing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20120623 |