CN103076266B - Automatic concrete penetration detection apparatus - Google Patents
Automatic concrete penetration detection apparatus Download PDFInfo
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- CN103076266B CN103076266B CN201210488139.6A CN201210488139A CN103076266B CN 103076266 B CN103076266 B CN 103076266B CN 201210488139 A CN201210488139 A CN 201210488139A CN 103076266 B CN103076266 B CN 103076266B
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Abstract
The invention relates to an automatic concrete penetration detection apparatus, which comprises a support mechanism, an elevating system, a pressure provision mechanism, a concrete test block seal mechanism and a test monitor module. the elevating system, the pressure provision mechanism and the concrete test block seal mechanism are arranged on a first fixed rack of the support mechanism, the elevating system and the pressure provision mechanism are positioned at the lower part of the concrete test block seal mechanism, the test monitor module is electrically connected to the elevating system, the pressure provision mechanism and the concrete test block seal mechanism, the test monitor module monitors the signals generated by a solenoid valve, a pressure sensor and a water seepage detector, the operation of the elevating system, the pressure provision mechanism and the concrete test block seal mechanism can be controlled according to the detected signals, the anti-penetrability performance detection of the concrete test block can be automatically completed, and the efficiency and the precision of the test can be obviously enhanced.
Description
Technical field:
The present invention relates to RC axial loading column technical field, particularly a kind of full-automatic concrete infiltration accurate measurement device.
Background technology:
Concrete anti-permeability performance is the important indicator evaluating concrete quality quality and durability, is also the required Inspection Index of the strict concrete Quality Control of each engineering Quality Supervision Station.Concrete has the engineering of seepage resistance demand: as water conservancy project, harbor work, road and bridge engineering, construction of underground structure etc.So-called anti-permeability performance refers to the performance that material that structures use can be resisted water or other liquid (light oil, heavy oil) medium and permeates under pressure.
But existing concrete impervious instrument or permeameter exist some shortcomings: 1. concrete impervious instrument handling in the market to need with forcing press by test specimen press-in with extrude die cavity, operate cumbersome and time-consuming; 2. die trial heating need to 40 degree, and then after appearance is coated with encapsulant, be just pressed into die cavity, test procedure is loaded down with trivial details.
Summary of the invention:
The object of the present invention is to provide a kind of full-automatic and effectively improve the full-automatic concrete Liquid penetrant testing device of test accuracy and test efficiency.
A kind of full-automatic concrete Liquid penetrant testing device, this full-automatic concrete Liquid penetrant testing device comprises supporting mechanism, elevating mechanism, pressure provide mechanism, concrete test block sealing mechanism and test monitoring module.
Wherein, supporting mechanism comprises the first fixed mount, and elevating mechanism, pressure provide mechanism and concrete test block sealing mechanism to be arranged on the first fixed mount, and elevating mechanism and pressure provide mechanism to be positioned at below concrete test block sealing mechanism.Elevating mechanism comprises holder and to be arranged in holder and the lifting column that can be elevated, and holder is fixed in the first fixed mount, and lifting column is fixedly connected with concrete test block sealing mechanism after can stretching out from the first fixed mount.Concrete test block sealing mechanism comprises sealed base, seal sleeve, seal sleeve fixed disk and water intrusion detector, sealed base is arranged on the first fixed mount, and sealed base center offers the through hole passed for lifting column, and the one side of sealed base is provided with at least two boss, and the bottom of the shape of boss and seal sleeve is suitable, boss center is provided with water filling through hole; Seal sleeve and water intrusion detector quantity identical with the quantity of boss, be provided with oil pocket in the sidewall of seal sleeve, and seal sleeve offer the oil filler point be communicated with oil pocket, the oil pocket of seal sleeve has elastic deformation function; The top of seal sleeve is fixedly connected with seal sleeve fixed disk is vertical, water intrusion detector to be arranged in seal sleeve and to be fixedly connected with seal sleeve fixed disk, the lifting column that seal sleeve fixed disk also passes with the through hole from sealed base is fixedly connected with, with by the ascending, descending of lifting column with on the boss making seal sleeve and the boss on sealed base and be separated or make seal sleeve to be buckled on sealed base.Pressure provides mechanism to comprise oil pressure provides mechanism and hydraulic pressure to provide mechanism, oil pressure provides the oil transportation mouth of mechanism be connected with the sealing part of oil injection hole of seal sleeve and be communicated with, and oil pressure provides between the oil transportation mouth of mechanism and the oil filler point of seal sleeve and is also provided with magnetic valve and pressure sensor; Hydraulic pressure provides the water transport port of mechanism be tightly connected with the boss water filling through hole of sealed base and be communicated with, and hydraulic pressure provides between the boss water filling through hole of the water transport port of mechanism and sealed base and is also provided with magnetic valve and pressure sensor.Test monitoring module and elevating mechanism, pressure provide mechanism, concrete test block sealing mechanism is electrically connected, test monitoring module for detecting the signal of magnetic valve, pressure sensor, water intrusion detector generation, and controls elevating mechanism according to the signal detected, pressure provides mechanism, the work of concrete test block sealing mechanism.
The present invention passes through elevating mechanism, pressure provides mechanism and concrete test block sealing mechanism to be arranged on the first fixed mount of supporting mechanism, and elevating mechanism and pressure provide mechanism to be positioned at below concrete test block sealing mechanism, test monitoring module and elevating mechanism, pressure provides mechanism, concrete test block sealing mechanism is electrically connected, test monitoring module monitors magnetic valve, pressure sensor, the signal that water intrusion detector produces, and control elevating mechanism according to the signal detected, pressure provides mechanism, concrete test block sealing mechanism works, detect with the anti-permeability performance automatically completing concrete test block, significantly improve efficiency and the precision of test.
Accompanying drawing illustrates:
Accompanying drawing 1 is the structural representation of the full-automatic concrete Liquid penetrant testing device of a better embodiment.
Accompanying drawing 2 is cross-sectional view of full-automatic concrete Liquid penetrant testing device in Fig. 1.
Accompanying drawing 3 is cross-sectional view of concrete test block sealing mechanism in Fig. 1.
Accompanying drawing 4 is electrical system connection diagrams of full-automatic concrete Liquid penetrant testing device in Fig. 1.
In figure: full-automatic concrete Liquid penetrant testing device 10, supporting mechanism 11, first fixed mount 111, support disk 1111, support column 1112, through hole 1113, burr adjustable tail margin 1114, orientation direction post 112, elevating mechanism 12, holder 121, lifting column 122, pressure provides mechanism 13, oil pressure provides mechanism 131, high-pressure plunger pump 1311, hydraulic pressure provides mechanism 132, double-direction gearpump 1321, accumulator installing rack 1323, accumulator 1324, magnetic valve 133, pressure sensor 134, concrete test block sealing mechanism 14, sealed base 141, through hole 1410, boss 1411, water filling through hole 1412, annular slot 1413, seal sleeve 142, oil pocket 1421, oil filler point 1422, sleeve 1423, sealing rubber cover 1424, rubber sleeve trim ring 1425, annular embedded groove 1426, ring-shaped pouring oil groove 1427, annular Embedded Division 1428, seal sleeve fixed disk 143, water intrusion detector 144, spring electrode mounting rod 1441, spring electrode 1442, bullport 145, test monitoring module 15, O RunddichtringO 20, concrete test block 30
Detailed description of the invention:
Please refer to Fig. 1 to Fig. 3, full-automatic concrete Liquid penetrant testing device 10 comprises supporting mechanism 11, elevating mechanism 12, pressure provides mechanism 13, concrete test block sealing mechanism 14 and test monitoring module 15.
Wherein, supporting mechanism 11 comprises the first fixed mount 111, elevating mechanism 12, pressure provide mechanism 13 and concrete test block sealing mechanism 14 to be arranged on the first fixed mount 111, and elevating mechanism 12 and pressure provide mechanism 13 to be positioned at below concrete test block sealing mechanism 14.
Elevating mechanism 12 comprises holder 121 and to be arranged in holder 121 and the lifting column 122 that can be elevated, holder 121 is fixed in the first fixed mount 111, and lifting column 122 is fixedly connected with concrete test block sealing mechanism 14 after can stretching out from the first fixed mount 111.
Concrete test block sealing mechanism 14 comprises sealed base 141, seal sleeve 142, seal sleeve fixed disk 143 and water intrusion detector 144, sealed base 141 is arranged on the first fixed mount 111, and sealed base 141 center offers the through hole 1410 passed for lifting column 122, and the one side of sealed base 141 is provided with at least two boss 1411, and the bottom of the shape of boss 1411 and seal sleeve 142 is suitable, boss center is provided with water filling through hole 1412; The quantity of seal sleeve 142 and water intrusion detector 144 is identical with the quantity of boss 1411, oil pocket 1421 is provided with in the sidewall of seal sleeve 142, and seal sleeve 142 offering the oil filler point 1422 be communicated with oil pocket 1421, the oil pocket 1421 of seal sleeve 142 has elastic deformation function; The top of seal sleeve 142 is fixedly connected with seal sleeve fixed disk 143 is vertical, water intrusion detector 144 to be arranged in seal sleeve 142 and to be fixedly connected with seal sleeve fixed disk 143, the lifting column 122 that seal sleeve fixed disk 143 also passes with the through hole 1410 from sealed base 141 is fixedly connected with, with by the ascending, descending of lifting column 122 with on the boss 1411 making seal sleeve 142 and the boss 1411 on sealed base 141 and be separated or make seal sleeve 142 to be buckled on sealed base 141.
Seal sleeve 142 comprises sleeve 1423, sealing rubber cover 1424 and rubber sleeve trim ring 1425, two ends of sleeve 1423 is all provided with annular embedded groove 1426, the inwall of sleeve 1423 offers ring-shaped pouring oil groove 1427, rubber sleeve trim ring 1425 is also provided with annular embedded groove 1427, the two ends of sealing rubber cover 1424 are provided with annular Embedded Division 1428, sealing rubber cover 1424 is installed in sleeve 1423, and after the two ends of sealing rubber cover 1424 stretch out from sleeve 1423 two ends, annular Embedded Division 1428 correspondence of sealing rubber cover 1424 is embedded in the annular embedded groove 1426 of sleeve 1423, the two ends being arranged on sleeve 1423 of rubber sleeve trim ring 1425 correspondence, and the annular Embedded Division 1428 of sealing rubber cover 1424 also snaps in the annular embedded groove 1428 of rubber sleeve trim ring 1425, sealing rubber cover 1424 forms described oil pocket 1421 with the ring-shaped pouring oil groove 1427 of sleeve 1423.In order to improve the sealing property of concrete test block sealing mechanism 14, the sidewall of the boss 1411 on sealed base 141 is provided with the annular slot 1413 snapped in for O RunddichtringO 20.Elevating mechanism 12 is oil cylinder; Water intrusion detector 144 comprises spring electrode mounting rod 1441, spring electrode 1442, one end of spring electrode mounting rod 1441 is fixedly connected with seal sleeve fixed disk 143, the other end of spring electrode mounting rod 1441 is connected with spring electrode 1442, and when concrete test block 30 is arranged in seal sleeve 142, spring electrode 1442 contacts with the upper surface of concrete test block 30, so when water oozes out from the surface of concrete test block 30, the resistance of concrete test block 30 reduces to make spring electrode 1442 produce the signal of telecommunication.
Pressure provides mechanism 13 to comprise oil pressure provides mechanism 131 and hydraulic pressure to provide mechanism 132, oil pressure provides the oil transportation mouth of mechanism 131 be tightly connected with the oil filler point 1422 of seal sleeve 142 and be communicated with, and oil pressure provides between the oil transportation mouth of mechanism 131 and the oil filler point 1422 of seal sleeve 142 and is also provided with magnetic valve 133 and pressure sensor 134; Hydraulic pressure provides the water transport port of mechanism 132 be tightly connected with the water filling through hole 1412 of the boss 1411 of sealed base 141 and be communicated with, and hydraulic pressure provides between the water filling through hole 1412 of the boss 1411 of the water transport port of mechanism 132 and sealed base 141 and is also provided with magnetic valve 133 and pressure sensor 134.In the present embodiment, oil pressure provides mechanism 131 to comprise high-pressure plunger pump 1311 and fuel tank, oil pressure in fuel tank enters in the oil pocket 1421 of seal sleeve 142 by high-pressure plunger pump 1311, hydraulic pressure provides mechanism 132 to comprise double-direction gearpump 1321, water tank, accumulator installing rack 1323 and accumulator 1324, hydraulic pressure in water tank is entered the water filling through hole 1412 of sealed base 141 by double-direction gearpump 1321, accumulator installing rack 1423 is fixed on the first fixed mount 111, accumulator 1324 is fixedly connected with accumulator installing rack 1423, and accumulator 1424 is connected with double-direction gearpump 1321.Referring to Fig. 4, conveniently adjust oil pressure, hydraulic pressure can increase flow control valve, pressure regulator valve and Pressure gauge to realize.
Test monitoring module 15 and elevating mechanism 12, pressure provide mechanism 13, concrete test block sealing mechanism 14 is electrically connected, test monitoring module 15 is for detecting the signal of magnetic valve 133, pressure sensor 134, water intrusion detector 144 generation, and control elevating mechanism 12 according to the signal that detects, pressure provides mechanism 13, concrete test block sealing mechanism 14 works, the open and close of each magnetic valve 133 of such as grading control, independently controls to realize the water pressure of every block concrete test block 30 in process of the test.Test monitoring module 15 can for having the data processing equipment of data processing function, such as computer, single-chip microcomputer etc.
Above-mentioned full-automatic concrete Liquid penetrant testing device 10 comprises two elevating mechanisms 12, two concrete test block sealing mechanisms 14, supporting mechanism 11 also comprises three orientation direction posts 112, first fixed mount 111 comprises support disk 1111 and support column 1112, support disk 1111 is connected with support column 1112 is vertical, and support disk 1111 center offers through hole 1113 and support column 1112 is provided with burr adjustable tail margin 1114 with the part of earth surface, support disk 1111 is also arranged three bullports 1114, on the seal sleeve fixed disk 143 of concrete test block sealing mechanism 14 and sealed base 141, also correspondence is provided with three bullports 145, three orientation direction post 112 correspondences from after three bullports 1113 of support disk 1111 pass successively through the bullport 145 the seal sleeve fixed disk 143 of two concrete test block sealing mechanisms 14 and sealed base 141, two concrete test block sealing mechanisms 14 to be positioned at the top of support disk 1111.The length of guide post 112 be greater than two concrete test block sealing mechanisms 14 height and, the holder 121 of one of them elevating mechanism 12 is arranged on below support disk 1111, and be fixedly connected with support disk 1111, and the lifting column 122 of this elevating mechanism 12 is fixedly connected with the lower surface of the seal sleeve fixed disk 143 of one of them concrete test block sealing mechanism 14 after the through hole 1113 of support disk 1111 stretches out, the upper surface of sealing sleeve fixed disk 143 and the holder 121 of another elevating mechanism 12, the sealed base 141 of another concrete test block sealing mechanism 14 is fixedly connected with, the seal sleeve fixed disk 143 of another concrete test block sealing mechanism 14 of lifting column 122 and this of another elevating mechanism 12 is fixedly connected with.
Certainly in order to improve detection efficiency, full-automatic concrete Liquid penetrant testing device 10 in the present embodiment comprises three elevating mechanisms, 12, three concrete test block sealing mechanisms 14, and each concrete test block sealing mechanism 14 comprises six seal sleeves 142.Full-automatic concrete Liquid penetrant testing device 10 is in four layers of column, and from bottom to top, ground floor is oil pressure, Water pressure controlled preparative layer, and the computer special test program that oil pressure and hydraulic pressure are run by test monitoring module 15 carries out detecting, analysis and control; Second and third is concrete test block mounting layer with four layers, lay six block concrete test blocks 30 for every layer, concrete test block 30 can realize automatic loading and unloading by the oil cylinder of every layer, every block concrete test block 30 water pressure in process of the test can independently control, automatically hydraulic pressure progressively classification test is realized, once can complete three groups of tests simultaneously, significantly improve efficiency and the precision of test.
Claims (8)
1. a full-automatic concrete Liquid penetrant testing device, is characterized in that: this full-automatic concrete Liquid penetrant testing device comprises supporting mechanism, elevating mechanism, pressure provide mechanism, concrete test block sealing mechanism and test monitoring module; Wherein, supporting mechanism comprises the first fixed mount, and elevating mechanism, pressure provide mechanism and concrete test block sealing mechanism to be arranged on the first fixed mount, and elevating mechanism and pressure provide mechanism to be positioned at below concrete test block sealing mechanism; Elevating mechanism comprises holder and to be arranged in holder and the lifting column that can be elevated, and holder is fixed in the first fixed mount, and lifting column is fixedly connected with concrete test block sealing mechanism after can stretching out from the first fixed mount; Concrete test block sealing mechanism comprises sealed base, seal sleeve, seal sleeve fixed disk and water intrusion detector, sealed base is arranged on the first fixed mount, and sealed base center offers the through hole passed for lifting column, and the one side of sealed base is provided with at least two boss, and the bottom of the shape of boss and seal sleeve is suitable, boss center is provided with water filling through hole; Seal sleeve and water intrusion detector quantity identical with the quantity of boss, be provided with oil pocket in the sidewall of seal sleeve, and seal sleeve offer the oil filler point be communicated with oil pocket, the oil pocket of seal sleeve has elastic deformation function; The top of seal sleeve is fixedly connected with seal sleeve fixed disk is vertical, water intrusion detector to be arranged in seal sleeve and to be fixedly connected with seal sleeve fixed disk, the lifting column that seal sleeve fixed disk also passes with the through hole from sealed base is fixedly connected with, with by the ascending, descending of lifting column with on the boss making seal sleeve and the boss on sealed base and be separated or make seal sleeve to be buckled on sealed base; Pressure provides mechanism to comprise oil pressure provides mechanism and hydraulic pressure to provide mechanism, oil pressure provides the oil transportation mouth of mechanism be connected with the sealing part of oil injection hole of seal sleeve and be communicated with, and oil pressure provides between the oil transportation mouth of mechanism and the oil filler point of seal sleeve and is also provided with magnetic valve and pressure sensor; Hydraulic pressure provides the water transport port of mechanism be tightly connected with the boss water filling through hole of sealed base and be communicated with, and hydraulic pressure provides between the boss water filling through hole of the water transport port of mechanism and sealed base and is also provided with magnetic valve and pressure sensor;
Test monitoring module and elevating mechanism, pressure provide mechanism, concrete test block sealing mechanism is electrically connected, test monitoring module for monitoring magnetic valve, signal that pressure sensor, water intrusion detector produce and control elevating mechanism according to the signal that detects, pressure provides mechanism, the work of concrete test block sealing mechanism.
2. full-automatic concrete Liquid penetrant testing device according to claim 1, it is characterized in that: seal sleeve comprises sleeve, sealing rubber cover and rubber sleeve trim ring, two ends of sleeve are all provided with annular embedded groove, the inwall of sleeve offer ring-shaped pouring oil groove; Rubber sleeve trim ring is also provided with annular embedded groove; The two ends of sealing rubber cover are provided with annular Embedded Division, sealing rubber cover is installed in sleeve, and after the two ends of sealing rubber cover stretch out from sleeve two ends, the annular Embedded Division correspondence of sealing rubber cover is embedded in the annular embedded groove of sleeve, the two ends of what rubber sleeve trim ring was corresponding be arranged on sleeve, and the annular Embedded Division of sealing rubber cover also snaps in the annular embedded groove of rubber sleeve trim ring, the ring-shaped pouring oil groove of sealing rubber cover and sleeve forms described oil pocket.
3. full-automatic concrete Liquid penetrant testing device according to claim 1, is characterized in that: the sidewall of the upper boss of sealed base is provided with the annular slot snapped in for O RunddichtringO.
4. full-automatic concrete Liquid penetrant testing device according to claim 1, is characterized in that: elevating mechanism is oil cylinder.
5. full-automatic concrete Liquid penetrant testing device according to claim 1, it is characterized in that: water intrusion detector comprises spring electrode mounting rod, spring electrode, spring electrode mounting rod one end is fixedly connected with seal sleeve fixed disk, the other end of spring electrode mounting rod is connected with spring electrode, and when concrete test block is arranged in seal sleeve, spring electrode contacts with the upper surface of concrete test block.
6. full-automatic concrete Liquid penetrant testing device according to claim 1, it is characterized in that: oil pressure provides mechanism to comprise high-pressure plunger pump and fuel tank, oil pressure in fuel tank enters in the oil pocket of seal sleeve by high-pressure plunger pump, hydraulic pressure provides mechanism to comprise double-direction gearpump, water tank, accumulator installing rack and accumulator, hydraulic pressure in water tank is entered the water filling through hole of sealed base by double-direction gearpump, accumulator installing rack is fixed on the first fixed mount, accumulator is fixedly connected with accumulator installing rack, and accumulator is connected with double-direction gearpump.
7. full-automatic concrete Liquid penetrant testing device according to claim 1, it is characterized in that: this full-automatic concrete Liquid penetrant testing device comprises two elevating mechanisms, two concrete test block sealing mechanisms, supporting mechanism also comprises three orientation direction posts, first fixed mount comprises support disk and support column, support disk is connected with support column is vertical, and support disk center offers through hole, support disk is also arranged three bullports, on the seal sleeve fixed disk of concrete test block sealing mechanism and sealed base, also correspondence is provided with three bullports, three orientation direction posts corresponding from after three bullports of support disk pass successively through the bullport the seal sleeve fixed disk of two concrete test block sealing mechanisms and sealed base, two concrete test block sealing mechanisms to be positioned at the top of support disk, the length of guide post be greater than two concrete test block sealing mechanisms height and, the holder of one of them elevating mechanism is arranged on below support disk, and be fixedly connected with support disk, and the lifting column of this elevating mechanism is fixedly connected with the lower surface of the seal sleeve fixed disk of one of them concrete test block sealing mechanism after the through hole of support disk stretches out, the upper surface of sealing sleeve fixed disk is fixedly connected with the sealed base of the holder of another elevating mechanism, another concrete test block sealing mechanism, and the seal sleeve fixed disk of another concrete test block sealing mechanism of the lifting column and this of another elevating mechanism is fixedly connected with.
8. full-automatic concrete Liquid penetrant testing device according to claim 1, it is characterized in that: this full-automatic concrete Liquid penetrant testing device comprises three elevating mechanisms, three concrete test block sealing mechanisms, and each concrete test block sealing mechanism comprises six seal sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210488139.6A CN103076266B (en) | 2012-11-27 | 2012-11-27 | Automatic concrete penetration detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210488139.6A CN103076266B (en) | 2012-11-27 | 2012-11-27 | Automatic concrete penetration detection apparatus |
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| CN103076266A CN103076266A (en) | 2013-05-01 |
| CN103076266B true CN103076266B (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210488139.6A Expired - Fee Related CN103076266B (en) | 2012-11-27 | 2012-11-27 | Automatic concrete penetration detection apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104614301A (en) * | 2015-02-11 | 2015-05-13 | 上海同标质量检测技术有限公司 | Automatic monitoring concrete impermeability test system |
| CN104697838B (en) * | 2015-03-27 | 2017-09-05 | 河南理工大学 | A kind of coal sample water filling device of laboratory simulation colliery scene high pressure water injection |
| CN104819924A (en) * | 2015-05-15 | 2015-08-05 | 浙江大学城市学院 | Instrument and test method for simulating underwater tunnel concrete water pressure penetration test |
| CN104931405B (en) * | 2015-06-16 | 2017-12-22 | 南京华研智能科技有限公司 | Seal permeability apparatus and the full-automatic concrete Anti-leakage instrument using sealing device |
| CN104897547B (en) * | 2015-06-16 | 2018-01-23 | 南京华研智能科技有限公司 | Lowering or hoisting gear and the full-automatic concrete Anti-leakage instrument using lowering or hoisting gear |
| CN107101929B (en) * | 2017-05-31 | 2023-01-17 | 南京研华智能科技有限公司 | Concrete impermeability test device |
| CN108051320A (en) * | 2017-12-01 | 2018-05-18 | 绍兴文理学院 | Rock fracture creep test system under the influence of a kind of temperature |
| CN110595978A (en) * | 2019-08-31 | 2019-12-20 | 济南天辰试验机制造有限公司 | Concrete impermeability test device |
| CN110487702A (en) * | 2019-09-06 | 2019-11-22 | 江苏建仪测试仪器有限公司 | A kind of high pressure sealing pressurizing unit |
| CN110595981A (en) * | 2019-09-30 | 2019-12-20 | 济南天辰试验机制造有限公司 | Concrete impermeability instrument |
| CN111562208B (en) * | 2020-05-26 | 2023-10-20 | 中国人民解放军军事科学院国防工程研究院 | On-site in-situ anti-seepage detection device |
| CN112129683B (en) * | 2020-09-20 | 2022-08-09 | 惠州市大禹工程质量检测中心有限公司 | Construction engineering quality concrete impermeability test detection device |
| CN114414454B (en) * | 2022-01-14 | 2024-03-19 | 河北天恒伟业试验仪器有限公司 | Control method of concrete impermeability instrument |
| CN115266537A (en) * | 2022-09-29 | 2022-11-01 | 南京研华智能科技有限公司 | Full-automatic concrete impermeability detection system |
| CN116202938B (en) * | 2023-04-28 | 2023-06-30 | 常州市慧宇建筑工程质量检测有限公司 | Full-automatic penetrometer for concrete permeation resistance test |
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