CN202092939U - Pneumatic type road material corrosion testing machine - Google Patents
Pneumatic type road material corrosion testing machine Download PDFInfo
- Publication number
- CN202092939U CN202092939U CN2011202143938U CN201120214393U CN202092939U CN 202092939 U CN202092939 U CN 202092939U CN 2011202143938 U CN2011202143938 U CN 2011202143938U CN 201120214393 U CN201120214393 U CN 201120214393U CN 202092939 U CN202092939 U CN 202092939U
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- bucket
- supporting plate
- pneumatic type
- pavement material
- test machine
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Abstract
The utility model discloses a pneumatic type road material corrosion testing machine which comprises a base plate, a supporting plate, an air cylinder, an air pump, a left vertical post and a right vertical post. The air cylinder is arranged on the supporting plate which is provided with a solenoid valve and a counting sensor. The solenoid valve is connected with a controller, and the count sensor is connected with the controller through a data line. The base plate is provided with a material containing barrel, and a water pressure plate is arranged in the material containing barrel. An air cylinder piston rod penetrates through the supporting plate to be connected with the water pressure plate and is provided with a counting piece. One lateral wall of the material containing barrel is provided with a liquid fetching hole, and a liquid fetching pipe arranged in the liquid fetching hole is connected with a liquid storing bottle which is provided with a liquid outlet. The liquid storing bottle is connected with one end of a return pipe, and the other end of the return pipe penetrates through a sealing cover to be inserted into the material containing barrel. The pneumatic type road material corrosion testing machine can truly simulate the dissolution process of a road structure under the action of infiltration pressure of water flow and obtain accurate and fast assessment on corrosion resistance performance of road materials.
Description
Technical field
The utility model relates to a kind of dissolved corrosion test machine, particularly relates to a kind of pneumatic type 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 pneumatic type pavement material dissolved corrosion test machine is provided.This pneumatic type pavement material dissolved corrosion test machine can the corrosion process of real simulation road structure under the effect of current seepage pressure, realizes the evaluation quick and precisely of the anti-corrosion performance of pavement material, its experimental result accurately and reliably, production cost is low, be convenient to promote the use of.
For achieving the above object, the technical solution adopted in the utility model is: pneumatic type pavement material dissolved corrosion test machine, comprise base plate, supporting plate, cylinder, pressurized air also provides the air pump of power and is installed in left column and right column on the base plate for described cylinder, one end of described supporting plate is installed on the left column, the other end of described supporting plate is installed on the right column, 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 separately installed 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, the end of described sensor for countering passes supporting plate, be provided with bucket on the described base plate and between left column and right column, the top of described bucket is provided with gland bonnet, offer water filling port on the described gland bonnet, be provided with the hydraulic pressure plate in the described bucket, described cylinder piston rod passes supporting plate and is connected with the hydraulic pressure plate, on the described cylinder piston rod and the below that is positioned at described sensor for countering is equipped with count slice, it is characterized in that: offer liquid outlet on the sidewall of described bucket, in the described liquid outlet liquid flowing tube is installed, described liquid flowing tube is connected with liquid storage bottle, described liquid storage bottle is provided with liquid outlet, described liquid storage bottle is connected with an end of recirculatory pipe, and the other end of described recirculatory pipe passes gland bonnet and extend in the bucket.
Above-mentioned pneumatic type pavement material dissolved corrosion test machine is characterized in that: an end of the interior and close bucket of described liquid flowing tube is provided with screen cloth.
Above-mentioned pneumatic type pavement material dissolved corrosion test machine, it is characterized in that: at the bottom of described bucket comprises barrel and be arranged on the bucket wall of described bucket at the end, described bucket wall outside surface is provided with two symmetrical gussets at least, each gusset all by the movable joint screw be arranged on barrel straight pin of wall end and be connected, on the described movable joint screw wing nut is installed.
Above-mentioned pneumatic type pavement material dissolved corrosion test machine is characterized in that: described bucket is provided with O-ring seal and corresponding to the junction of the described bucket end and bucket wall at the end.
Above-mentioned pneumatic type pavement material dissolved corrosion test machine, it is characterized in that: the lower end of described left column and right column is installed on the base plate by sunk screw one and sunk screw two respectively.
Above-mentioned pneumatic type pavement material dissolved corrosion test machine, it is characterized in that: described left column is provided with block one, and described right column is provided with block two, and the left end of described supporting plate and right-hand member are set in respectively on left column and the right column.
Above-mentioned pneumatic type pavement material dissolved corrosion test machine is characterized in that: the outside surface of described left column and be provided with external thread corresponding to the top of supporting plate is equipped with on the described left column and the suitable set nut of described external thread.
Above-mentioned pneumatic type pavement material dissolved corrosion test machine is characterized in that: on the described liquid outlet valve is installed.
The utility model compared with prior art has the following advantages:
1, the utility model is simple in structure, only needs a people to get final product complete operation, and it is very easy to operate.
2, the utility model volume is little, in light weight, and convenient disassembly is convenient to transportation very much.
3, the utility model can be realized the accurate control to the water seepage pressure.It adopts external air pump that controlled pressure is provided, and has realized the infiltration hydraulic pressure in any adjusting dissolved corrosion test process.
4, the utility model can the actual corrosion environment of real simulation road, and experimental result is reliable.The actual corrosion situation of this pneumatic type pavement material dissolved corrosion test machine simulated roadway plate positive and negative seepage pressure circulation change under load action, test findings can be used for the quantitative test of pavement structure.
5, production cost of the present utility model is low, 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 structural representation of the utility model bucket.
Description of reference numerals:
The 1-base plate; 2-sunk screw one; The 3-left column;
3-1-block one; The 4-bucket; At the bottom of the 4-1-bucket;
The 4-2-O-ring seal; 4-3-bucket wall; 4-4-movable joint screw;
The 4-5-wing nut; The 4-6-gusset; The 4-7-straight pin;
The 5-water filling port; The 6-set nut; The 7-supporting plate;
The 8-sensor for countering; The 9-cylinder; The 10-count slice;
The 11-solenoid valve; The 12-cylinder piston rod; The 13-gland bonnet;
The 14-right column; 14-1-block two; 15-hydraulic pressure plate;
The 16-recirculatory pipe; The 17-liquid storage bottle; The 18-valve;
The 19-liquid outlet; 20-sunk screw two; The 21-liquid flowing tube;
The 22-screen cloth; The 23-controller; The 24-air pump;
The 25-air intake opening; 26-connecting tube one; The 27-air dispelling hole;
28-return-air mouth; 29-connecting tube three; The 30-gas outlet;
31-connecting tube two.
Embodiment
As Fig. 1, Fig. 2 and pneumatic type pavement material dissolved corrosion test machine shown in Figure 3, comprise base plate 1, supporting plate 7, cylinder 9, pressurized air also provides the air pump 24 of power and is installed in left column 3 and right column 14 on the base plate 1 for described cylinder 9, one end of described supporting plate 7 is installed on the left column 3, the other end of described supporting plate 7 is installed on the right column 14, described cylinder 9 is installed on the supporting plate 7, on the described supporting plate 7 and be positioned at the sensor for countering 8 that the right side of cylinder 9 and left side are separately installed with solenoid valve 11 and transmit the number of times information that cylinder piston rod 12 moves downward, one side of described solenoid valve 11 is provided with air intake opening 25, the another side of described solenoid valve 11 is provided with gas outlet 30 and return-air mouth 28, described return-air mouth 28 is connected with air dispelling hole 27, described air pump 24 is connected with air intake opening 25 by connecting tube 1, described cylinder 9 is connected with return-air mouth 28 with gas outlet 30 respectively with connecting tube 3 29 by connecting tube 2 31, described solenoid valve 11 is connected with the controller 23 that the gaseous tension that enters solenoid valve 11 and compressed gas flow are controlled by data line, described sensor for countering 8 is connected with described controller 23 by data line, the end of described sensor for countering 8 passes supporting plate 7, be provided with bucket 4 on the described base plate 1 and between left column 3 and right column 14, the top of described bucket 4 is provided with gland bonnet 13, offer water filling port 5 on the described gland bonnet 13, be provided with hydraulic pressure plate 15 in the described bucket 4, described cylinder piston rod 12 passes supporting plate 7 and is connected with hydraulic pressure plate 15, on the described the cylinder piston rod 12 and below that is positioned at described sensor for countering 8 is equipped with count slice 10, offer liquid outlet on one sidewall of described bucket 4, liquid flowing tube 21 is installed in the described liquid outlet, described liquid flowing tube 21 is connected with liquid storage bottle 17, described liquid storage bottle 17 is provided with liquid outlet 19, described liquid storage bottle 17 is connected with an end of recirculatory pipe 16, and the other end of described recirculatory pipe 16 passes gland bonnet 13 and extend in the bucket 4.
During use, at first demarcate EDTA solution, then the corrosion test specimen is put into bucket 4, and in bucket 4, inject distilled water, make the water surface be higher than test specimen 1-2cm.Opening this pavement material dissolved corrosion test machine tests, 4 bottoms are back to bucket 4 tops to corrosion solution along recirculatory pipe 16 from bucket, form round-robin corrosion solution, in case solution concentration is inhomogeneous, write down the number of times that hydraulic pressure plates 15 move downward by sensor for countering 8 and count slice 10, behind the certain number of times of effect, open the liquid outlet 19 on the liquid storage bottle 17, corrosion solution is slowly flowed out, next, corrosion solution is imported in the buret, carry out the EDTA burette test, treat that EDTA solution stops test when becoming blueness by pink colour, at last, record test figure.
As shown in Figure 1, preferred way is that an end of described liquid flowing tube 21 interior and close buckets 4 is provided with screen cloth 22.The lower end of described left column 3 and right column 14 is installed on the base plate 1 by sunk screw 1 and sunk screw 2 20 respectively.The outside surface of described left column 3 and be provided with external thread corresponding to the top of supporting plate 7 is equipped with the set nut 6 suitable with described external thread on the described left column 3.On the described liquid outlet 19 valve 18 is installed.Described left column 3 is provided with block one 3-1, and described right column 14 is provided with block two 14-1, and the left end of described supporting plate 7 and right-hand member are set in respectively on left column 3 and the right column 14.
As shown in Figure 3,4-1 and be arranged on bucket wall 4-3 on the described bucket end 4-1 at the bottom of described bucket 4 comprises barrel, described bucket wall 4-3 outside surface is provided with two symmetrical gusset 4-6 at least, each gusset 4-6 all by movable joint screw 4-4 be arranged on barrel straight pin 4-7 of wall 4-3 end and be connected, on the described movable joint screw 4-4 wing nut 4-5 is installed.Described bucket end 4-1 goes up and is provided with O-ring seal 4-2 corresponding to described bucket end 4-1 with barrel junction of wall 4-3.
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. pneumatic type pavement material dissolved corrosion test machine, comprise base plate (1), supporting plate (7), cylinder (9), pressurized air also provides the air pump (24) of power and is installed in left column (3) and right column (14) on the base plate (1) for described cylinder (9), one end of described supporting plate (7) is installed on the left column (3), the other end of described supporting plate (7) is installed on the right column (14), described cylinder (9) is installed on the supporting plate (7), described supporting plate (7) is gone up and is positioned at the sensor for countering (8) that the right side of cylinder (9) and left side are separately installed with the number of times information that solenoid valve (11) and transmission cylinder piston rod (12) move downward, one side of described solenoid valve (11) is provided with air intake opening (25), the another side of described solenoid valve (11) is provided with gas outlet (30) and return-air mouth (28), described return-air mouth (28) is connected with air dispelling hole (27), described air pump (24) is connected with air intake opening (25) by connecting tube one (26), described cylinder (9) is connected with return-air mouth (28) with gas outlet (30) respectively with connecting tube three (29) by connecting tube two (31), described solenoid valve (11) is connected with the controller (23) that the gaseous tension that enters solenoid valve (11) and compressed gas flow are controlled by data line, described sensor for countering (8) is connected with described controller (23) by data line, the end of described sensor for countering (8) passes supporting plate (7), described base plate (1) is gone up and is positioned between left column (3) and the right column (14) and is provided with bucket (4), the top of described bucket (4) is provided with gland bonnet (13), offer water filling port (5) on the described gland bonnet (13), be provided with hydraulic pressure plate (15) in the described bucket (4), described cylinder piston rod (12) passes supporting plate (7) and is connected with hydraulic pressure plate (15), described cylinder piston rod (12) is gone up and the below that is positioned at described sensor for countering (8) is equipped with count slice (10), it is characterized in that: offer liquid outlet on the sidewall of described bucket (4), liquid flowing tube (21) is installed in the described liquid outlet, described liquid flowing tube (21) is connected with liquid storage bottle (17), described liquid storage bottle (17) is provided with liquid outlet (19), described liquid storage bottle (17) is connected with an end of recirculatory pipe (16), and the other end of described recirculatory pipe (16) passes gland bonnet (13) and extend in the bucket (4).
2. pneumatic type pavement material dissolved corrosion test machine according to claim 1 is characterized in that: an end of the interior and close bucket (4) of described liquid flowing tube (21) is provided with screen cloth (22).
3. pneumatic type pavement material dissolved corrosion test machine according to claim 1 and 2, it is characterized in that: at the bottom of described bucket (4) comprises barrel (4-1) and be arranged on bucket wall (4-3) on the described bucket end (4-1), described bucket wall (4-3) outside surface is provided with symmetrical two gussets (4-6) at least, each gusset (4-6) all is connected with the straight pin (4-7) that is arranged on a barrel wall (4-3) end by movable joint screw (4-4), and wing nut (4-5) is installed on the described movable joint screw (4-4).
4. pneumatic type pavement material dissolved corrosion test machine according to claim 3 is characterized in that: the described bucket end (4-1) is gone up and is provided with O-ring seal (4-2) corresponding to the described bucket end (4-1) and barrel junction of wall (4-3).
5. pneumatic type pavement material dissolved corrosion test machine according to claim 1 and 2 is characterized in that: the lower end of described left column (3) and right column (14) is installed on the base plate (1) by sunk screw one (2) and sunk screw two (20) respectively.
6. pneumatic type pavement material dissolved corrosion test machine according to claim 1 and 2, it is characterized in that: described left column (3) is provided with block one (3-1), described right column (14) is provided with block two (14-1), and the left end of described supporting plate (7) and right-hand member are set in respectively on left column (3) and the right column (14).
7. pneumatic type pavement material dissolved corrosion test machine according to claim 6, it is characterized in that: the outside surface of described left column (3) and be provided with external thread corresponding to the top of supporting plate (7) is equipped with the set nut (6) suitable with described external thread on the described left column (3).
8. pneumatic type pavement material dissolved corrosion test machine according to claim 1 is characterized in that: valve (18) is installed on the described liquid outlet (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202143938U CN202092939U (en) | 2011-06-23 | 2011-06-23 | Pneumatic type road material corrosion testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202143938U CN202092939U (en) | 2011-06-23 | 2011-06-23 | Pneumatic type road material corrosion testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202092939U true CN202092939U (en) | 2011-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202143938U Expired - Fee Related CN202092939U (en) | 2011-06-23 | 2011-06-23 | Pneumatic type road material corrosion testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202092939U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661914A (en) * | 2012-05-03 | 2012-09-12 | 中国水电顾问集团华东勘测设计研究院 | High-pressure low-temperature triaxial corrosion experimental device and experimental method thereof |
| CN106980014A (en) * | 2017-04-27 | 2017-07-25 | 河海大学 | Simulate concrete for hydraulic structure corrosion deterioration test device and method under high hydraulic gradient |
| CN107228805A (en) * | 2017-06-21 | 2017-10-03 | 河海大学 | The high hydraulic gradient action concrete dissolved corrosion test device and method of three-dimensional pressure |
-
2011
- 2011-06-23 CN CN2011202143938U patent/CN202092939U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661914A (en) * | 2012-05-03 | 2012-09-12 | 中国水电顾问集团华东勘测设计研究院 | High-pressure low-temperature triaxial corrosion experimental device and experimental method thereof |
| CN106980014A (en) * | 2017-04-27 | 2017-07-25 | 河海大学 | Simulate concrete for hydraulic structure corrosion deterioration test device and method under high hydraulic gradient |
| CN106980014B (en) * | 2017-04-27 | 2017-12-12 | 河海大学 | Simulate concrete for hydraulic structure corrosion deterioration test device and method under high hydraulic gradient |
| CN107228805A (en) * | 2017-06-21 | 2017-10-03 | 河海大学 | The high hydraulic gradient action concrete dissolved corrosion test device and method of three-dimensional pressure |
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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 |