CN112924358B - Concrete impermeability test device - Google Patents
Concrete impermeability test device Download PDFInfo
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- CN112924358B CN112924358B CN202110130982.6A CN202110130982A CN112924358B CN 112924358 B CN112924358 B CN 112924358B CN 202110130982 A CN202110130982 A CN 202110130982A CN 112924358 B CN112924358 B CN 112924358B
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- concrete
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- 238000012360 testing method Methods 0.000 title claims abstract description 124
- 239000004567 concrete Substances 0.000 title claims abstract description 101
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 33
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 16
- 239000000243 solution Substances 0.000 claims abstract description 15
- 230000008595 infiltration Effects 0.000 claims abstract description 14
- 238000001764 infiltration Methods 0.000 claims abstract description 14
- 239000012466 permeate Substances 0.000 claims abstract description 7
- 230000035515 penetration Effects 0.000 claims abstract description 5
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 4
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 4
- 239000012047 saturated solution Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 3
- 230000035699 permeability Effects 0.000 abstract description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 10
- 239000000460 chlorine Substances 0.000 description 10
- 229910052801 chlorine Inorganic materials 0.000 description 10
- 230000010354 integration Effects 0.000 description 4
- 239000011150 reinforced concrete Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000002791 soaking Methods 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003487 anti-permeability effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a concrete impermeability test device, which has the technical scheme that: including the frame, still include: a permeate tank disposed on the housing; the fixing component is used for fixing the concrete test piece in the middle of the infiltration box; a first chamber and a second chamber disposed within the permeate tank; a supply assembly for supplying calcium hydroxide saturated solutions of different chloride ion concentration gradients into the first chamber and the second chamber; a drain assembly for draining solution from the first chamber and the second chamber; a suction assembly for grasping the concrete test piece out of the penetration box; the slicing tool is used for slicing the concrete test piece; the transferring assembly is used for driving the concrete test piece sucked by the sucking assembly to be transferred to the slicing tool; the concrete permeability resistance testing device is convenient to use, high in automation degree and high in accuracy of testing concrete permeability.
Description
Technical Field
The invention relates to the field of building construction, in particular to a concrete impermeability test device.
Background
Concrete is one of important materials for building construction, wherein the impermeability of the concrete is one of important factors affecting the performance of the concrete; the water seepage resistance of the reinforced concrete structure is one of the most important properties among the non-mechanical properties, and relates to the service life and maintenance cost of the concrete structure, and leakage is the most common technical problem in the later maintenance of engineering.
The prior art publication number is CN 111337413A's chinese patent, it discloses a impervious performance test equipment for reinforced concrete structure, relate to impervious performance and detect technical field, including pressurized water pump and test portion, pressurized water pump includes the motor, the hydroextractor and be used for fixing the fixing base of motor and hydroextractor, the motor electricity is connected with the converter, the hydroextractor is provided with water supply mouth and delivery port, the water supply mouth is connected with the supply tank, test portion includes the water inlet pipe with delivery port intercommunication, with the test tube of test piece surface intercommunication and the drain pipe with water inlet pipe and test tube intercommunication, one side that the test tube kept away from the test piece is provided with the pressurized piece, test tube and test piece junction are provided with the sealing washer.
The anti-permeability test equipment for the reinforced concrete structure has the advantages of practicality and convenience; however, the above-mentioned test equipment for the impermeability of reinforced concrete structures still has some drawbacks, such as: the accuracy of the concrete impermeability test is poor; the low degree of automation leads to inconvenient operation; the device integration is low, resulting in a large space occupation during testing.
Disclosure of Invention
In view of the problems mentioned in the background art, an object of the present invention is to provide a concrete impermeability test apparatus to solve the problems mentioned in the background art.
The technical aim of the invention is realized by the following technical scheme:
the concrete impermeability test device comprises a frame and further comprises:
A permeate tank disposed on the housing;
the fixing component is used for fixing the concrete test piece in the middle of the infiltration box;
a first chamber and a second chamber disposed within the permeate tank;
a supply assembly for supplying calcium hydroxide saturated solutions of different chloride ion concentration gradients into the first chamber and the second chamber;
A drain assembly for draining solution from the first chamber and the second chamber;
A suction assembly for grasping the concrete test piece out of the penetration box;
The slicing tool is used for slicing the concrete test piece;
The transferring assembly is used for driving the concrete test piece sucked by the sucking assembly to be transferred to the slicing tool;
The slicing mechanism is used for directly slicing the concrete test piece in the slicing tool;
The chloride ion dissolving component is used for dissolving the concrete test piece obtained by slicing through the slicing mechanism;
and a chloride ion concentration tester for analyzing the change in chloride ion concentration.
By adopting the technical scheme, the concrete impermeability test device is convenient to use, high in automation degree and high in accuracy of testing concrete permeability; when the device is used, a concrete test piece can be placed in the permeation box and fixed by the fixing component, chlorine-containing saturated calcium hydroxide solutions with different concentrations are fed into the first cavity and the second cavity by the feeding component, and the purpose of permeation test is achieved by using the concentration gradient difference of chloride ions; can be directly discharged after measurement by using a discharge assembly; after soaking for a certain time, the concrete test piece can be extracted by utilizing the absorbing component, transferred to the slicing tool by utilizing the transferring component and cut by utilizing the slicing mechanism, and the concrete test piece after slicing can be placed in the chloride ion dissolving component for chloride ion exudation, and is subjected to concentration gradient detection by utilizing the chloride ion concentration tester, so that the device has high integration level and high automation level.
Preferably, the fixing component comprises 匚 -shaped partition plates, a sealing cushion layer, an injection penetrating groove and two guide plates, wherein the 匚 -shaped partition plates are fixed in the permeation box, the sealing cushion layer is fixed in an opening of the 匚 -shaped partition plates, the injection penetrating groove is formed in the top of the permeation box for a concrete test piece to penetrate, the two guide plates are respectively fixed in the permeation box, two guide arc parts integrally formed in the top of the guide plates are respectively arranged on two sides of the injection penetrating groove.
Through adopting above-mentioned technical scheme, when needs place the concrete test piece in the infiltration case, can penetrate it from the injection through groove, insert in the opening in 匚 shape baffles, utilize the sealing cushion layer to seal the week side of concrete test piece, wherein guide board and the guide arc portion on it can insert the guide to the inserted concrete test piece.
Preferably, the supply assembly comprises a first pump, a first pipeline, a second pump, a third pipeline, a fourth pipeline and a heater, wherein the first pump and the second pump are respectively fixed outside the permeation tank, the first pipeline is communicated and fixed at a water inlet of the first pump, the second pipeline is communicated and fixed at a water outlet of the first pump, one end of the second pipeline extends into the first chamber, the third pipeline is communicated and fixed at a water inlet of the second pump, the fourth pipeline is communicated and fixed at a water outlet of the second pump, one end of the fourth pipeline extends into the second chamber, and the heater is installed in the first chamber and the second chamber.
By adopting the technical scheme, when the chlorine-containing saturated calcium hydroxide solution is required to be input into the first chamber, the first pump can be started, and the chlorine-containing saturated calcium hydroxide solution is input into the first chamber through the first pipeline and the second pipeline; when the chlorine-containing saturated calcium hydroxide solution is required to be input into the second chamber, the second pump can be started, and the chlorine-containing saturated calcium hydroxide solution is input into the second chamber through the third pipeline and the fourth pipeline; the heater is capable of heating the solution in the first chamber and the second chamber.
Preferably, the discharging assembly comprises a 匚 -shaped pipeline, a first electromagnetic valve, a second electromagnetic valve, a fifth pipeline and a sealing cover, wherein two ends of the 匚 -shaped pipeline are respectively communicated with the first cavity and the second cavity, the first electromagnetic valve and the second electromagnetic valve are respectively installed on the 匚 -shaped pipeline, the fifth pipeline is fixedly communicated with the middle part of the 匚 -shaped pipeline, and the sealing cover is in threaded connection with the end part of the fifth pipeline.
By adopting the technical scheme, when the solution of the first chamber and the second chamber is required to be discharged, the solution can be controlled to flow out through the fifth pipeline by starting the first electromagnetic valve or the second electromagnetic valve.
Preferably, the suction assembly comprises a support frame, two first hydraulic cylinders, two embedded columns, a sucker, a first air pipe, a second air pipe, a connecting sleeve and an air pump, wherein the cylinder bodies of the two first hydraulic cylinders are respectively fixed on the support frame, the two embedded columns are respectively fixed at the end parts of piston rods of the first hydraulic cylinders, the two embedded columns are respectively embedded and inserted in a concrete test piece, the sucker is fixed in the support frame, the first air pipe is communicated and fixed on the sucker, the second air pipe is connected with the end parts of the first air pipe through the connecting sleeve, the air pump is fixed on the support frame, and the second air pipe is connected with an outlet of the air pump.
Through adopting above-mentioned technical scheme, when needs snatch and hold the concrete test piece, can start the first pneumatic cylinder on the support frame, insert the embedded column to the concrete test piece, through starting the air pump, through second trachea, first trachea with the sucking disc firm absorption on the concrete test piece to can snatch the concrete test piece.
Preferably, the slicing fixture comprises a 匚 -shaped bracket, a second hydraulic cylinder, a pressing plate and a spring pin, wherein the 匚 -shaped bracket is fixed above the frame, a cylinder body of the second hydraulic cylinder is fixed on the frame, the pressing plate is fixed at the end part of a piston rod of the second hydraulic cylinder, and the spring pin is arranged in an opening of the 匚 -shaped bracket.
Through adopting above-mentioned technical scheme, when the suction component snatches the concrete test piece, can fix it in slicing frock with it, can the concrete test piece be put into 匚 shape bracket's opening in the fixed time, utilize the spring pin to contradict its one side, utilize the second pneumatic cylinder to drive the clamp plate and compress tightly it to realize fixing the concrete test piece.
Preferably, the transfer assembly comprises a third hydraulic cylinder, a sliding seat, a cross beam, a sliding block, a sliding groove, a screw rod and a first servo motor, wherein the cross beam is fixed above the frame, the sliding seat is connected below the cross beam in a sliding manner, the sliding block is fixed on the sliding seat, the sliding groove is formed in the cross beam and is used for horizontally sliding the sliding block, the screw rod is in threaded connection with the sliding block, the first servo motor is fixed at the end part of the cross beam to drive the screw rod to rotate, the cylinder body of the third hydraulic cylinder is fixed at the bottom of the sliding seat, and the end part of a piston rod of the third hydraulic cylinder is fixed at the top of the support frame.
Through adopting above-mentioned technical scheme, when needs shift concrete test piece, can start the third pneumatic cylinder and drive and absorb the subassembly and rise, later can start first servo motor on the crossbeam, utilize first servo motor to drive the screw rod and rotate, drive the slider and slide in the spout to can drive and absorb the absorptive concrete test piece of subassembly and shift, degree of automation is high.
Preferably, the slicing mechanism comprises two overhanging plates, two fourth hydraulic cylinders, a pulling plate, a carrier plate and a plurality of cutter blades, wherein the overhanging plates are respectively fixed above the frame, the cylinder bodies of the two fourth hydraulic cylinders are respectively fixed on the overhanging plates, the pulling plate is fixed at the end parts of piston rods of the two fourth hydraulic cylinders, the carrier plate is fixed on the pulling plate, and the cutter blades are respectively fixed on the carrier plate.
Through adopting above-mentioned technical scheme, when starting the fourth pneumatic cylinder in the section mechanism, it can drive arm-tie, carrier plate and slicing knife and directly cut into slices with the concrete test piece, convenient and fast cuts into slices efficiently.
Preferably, the chloride ion dissolving assembly comprises a shaking seat, a test tube rack, a second servo motor, a traction spring and a cam, wherein the shaking seat is rotationally connected to the upper portion of the frame, the test tube rack is fixed to the upper portion of the shaking seat through screws, the second servo motor is fixed to the upper portion of the frame, the cam is fixed to the end portion of a motor shaft of the second servo motor, and the traction spring is connected between the shaking seat and the frame.
Through adopting above-mentioned technical scheme, after taking down sliced concrete test piece, can arrange the test tube in, arrange the test tube in the test-tube rack, afterwards can start the second servo motor and drive the cam rotation, the top is moved the seat and is rocked, and cooperation traction spring accomplishes the tractive and rocks, rocks the dissolution effect better.
In summary, the invention has the following advantages:
The concrete permeability resistance testing device is convenient to use, high in automation degree and high in accuracy of testing concrete permeability; when the device is used, a concrete test piece can be placed in the permeation box and fixed by the fixing component, chlorine-containing saturated calcium hydroxide solutions with different concentrations are fed into the first cavity and the second cavity by the feeding component, and the purpose of permeation test is achieved by using the concentration gradient difference of chloride ions; can be directly discharged after measurement by using a discharge assembly; after soaking for a certain time, the concrete test piece can be extracted by utilizing the absorbing component, transferred to the slicing tool by utilizing the transferring component and cut by utilizing the slicing mechanism, and the concrete test piece after slicing can be placed in the chloride ion dissolving component for chloride ion exudation, and is subjected to concentration gradient detection by utilizing the chloride ion concentration tester, so that the device has high integration level and high automation level.
Drawings
FIG. 1 is one of the schematic structural diagrams of a concrete impermeability test apparatus;
FIG. 2 is a cross-sectional view of a construction of a concrete impermeability test apparatus;
fig. 3 is an enlarged view at a in fig. 2;
FIG. 4 is a second schematic structural view of a concrete impermeability test apparatus;
Fig. 5 is an enlarged view at B in fig. 4;
FIG. 6 is a third schematic structural view of a concrete impermeability test apparatus;
fig. 7 is an enlarged view at C in fig. 6.
Reference numerals: 1. a frame; 11. a permeate tank; 2. a fixing assembly; 111. a first chamber; 112. a second chamber; 3. a supply assembly; 4. a discharge assembly; 5. a suction assembly; 6. slicing tool; 7. a transfer assembly; 8. a slicing mechanism; 9. a chloride ion dissolving assembly; 12. a chloride ion concentration tester; 21.匚 -shaped separators; 22. a sealing cushion layer; 23. injecting into the through groove; 24. a guide plate; 31. a first pump; 32. a first pipeline; 33. a second pipeline; 34. a second pump; 35. a third pipeline; 36. a fourth pipeline; 41. 匚 -shaped pipelines; 42. a first electromagnetic valve; 43. a second electromagnetic valve; 44. a fifth pipeline; 45. a cover; 51. a support frame; 52. a first hydraulic cylinder; 53. embedding the column; 54. a suction cup; 55. a first air tube; 56. a second air pipe; 57. connecting sleeves; 58. an air pump; 61. 匚 shaped brackets; 62. a second hydraulic cylinder; 63. a pressing plate; 64. a spring pin; 71. a third hydraulic cylinder; 72. a sliding seat; 73. a cross beam; 74. a slide block; 75. a chute; 76. a screw; 77. a first servo motor; 81. an overhanging plate; 82. a fourth hydraulic cylinder; 83. pulling a plate; 84. a carrier plate; 85. a cutting blade; 91. a shaking seat; 92. a test tube rack; 93. a second servo motor; 94. a traction spring; 95. a cam.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 2, the concrete impermeability test apparatus mainly includes the following parts:
a frame 1 supported as a main body;
a permeation tank 11 provided on the frame 1;
a fixing assembly 2 for fixing the concrete test piece at the middle of the infiltration tank 11;
a first chamber 111 and a second chamber 112 disposed within the permeate tank 11;
A supply assembly 3 for supplying calcium hydroxide saturated solutions of different chloride ion concentration gradients into the first chamber 111 and the second chamber 112;
A discharging unit 4 for discharging the solution in the first and second chambers 111 and 112;
A suction assembly 5 for taking out the concrete test piece from the infiltration tank 11;
a slicing tool 6 for slicing the concrete test piece;
the transferring assembly 7 is used for driving the concrete test piece sucked by the sucking assembly 5 to be transferred to the slicing tool 6;
the slicing mechanism 8 is used for directly slicing the concrete test piece in the slicing tool 6;
A chloride ion dissolving assembly 9 for dissolving the concrete test piece sliced by the slicing mechanism 8;
And a chloride ion concentration tester 12 for analyzing a change in chloride ion concentration.
Referring to fig. 1 and 2, the concrete impermeability test device is convenient to use, high in automation degree and high in accuracy of testing concrete permeability; when the device is used, a concrete test piece can be placed in the permeation box 11 and fixed by the fixing component 2, and the purpose of permeation test is achieved by using the concentration gradient difference of chloride ions by feeding chloride-containing saturated calcium hydroxide solutions with different concentrations into the first chamber 111 and the second chamber 112 by using the supply component 3; can be discharged directly after the measurement by means of the discharge assembly 4; after soaking for a certain time, the concrete test piece can be extracted by the aid of the absorbing component 5, transferred to the slicing tool 6 by the aid of the transferring component 7, cut by the aid of the slicing mechanism 8, and subjected to chloridion exudation in the chloridion dissolving component 9, concentration gradient detection by the aid of the chloridion concentration tester 12, and the device is high in integration level and automation level.
Referring to fig. 2 and 3, in order to ensure that the first chamber 111 and the second chamber 112 can be inserted into the infiltration tank 11 after the concrete test piece is inserted into the infiltration tank 11, the fixing assembly 2 is provided, which comprises a 匚 -shaped partition plate 21, a sealing cushion layer 22, an injection through slot 23 and two guide plates 24, wherein the 匚 -shaped partition plate 21 is fixed in the infiltration tank 11, the sealing cushion layer 22 is fixed in an opening of the 匚 -shaped partition plate 21, the injection through slot 23 is opened at the top of the infiltration tank 11 for the penetration of the concrete test piece, the two guide plates 24 are respectively fixed at two sides of the injection through slot 23 in the infiltration tank 11, and the tops of the two guide plates 24 are respectively provided with guide arc parts integrally formed with the two guide plates; when it is desired to place a concrete test piece in the infiltration tank 11, it can be inserted from the injection penetration groove 23 into the opening in the 匚 -shaped partition 21, the peripheral side of the concrete test piece being sealed with the sealing cushion layer 22, wherein the guide plate 24 and the guide arc thereon are capable of insertion guiding the inserted concrete test piece.
Referring to fig. 1 and 2, in order to be able to automatically supply a solution for measuring a concrete test piece, i.e., a saturated calcium hydroxide solution containing chloride ions, into the first chamber 111 and the second chamber 112, the supply assembly 3 is provided including a first pump 31, a first pipe 32, a second pipe 33, a second pump 34, a third pipe 35, a fourth pipe 36, and a heater, the first pump 31 and the second pump 34 being respectively fixed to the outside of the infiltration tank 11, the first pipe 32 being connected to a water inlet fixed to the first pump 31, the second pipe 33 being connected to a water outlet fixed to the first pump 31, one end of the second pipe 33 extending into the first chamber 111, the third pipe 35 being connected to a water inlet fixed to the second pump 34, the fourth pipe 36 being connected to a water outlet fixed to the second pump 34, one end of the fourth pipe 36 extending into the second chamber 112, and the heater being installed in the first chamber 111 and the second chamber 112; when it is desired to input the chlorine-containing saturated calcium hydroxide solution into the first chamber 111, the first pump 31 may be started, and the chlorine-containing saturated calcium hydroxide solution is input into the first chamber 111 through the first pipe 32 and the second pipe 33; when it is desired to feed the chlorine-containing saturated calcium hydroxide solution into the second chamber 112, the second pump 34 may be started and the chlorine-containing saturated calcium hydroxide solution is fed into the second chamber 112 through the third line 35 and the fourth line 36; the heater is capable of heating the solution in the first and second chambers 111 and 112.
Referring to fig. 1 and 4, in order to automatically drain the solution in the first and second chambers 111 and 112 after the test is completed, the drain assembly 4 is provided to include a 匚 -shaped pipe 41, a first solenoid valve 42, a second solenoid valve 43, a fifth pipe 44, and a cover 45, both ends of the 匚 -shaped pipe 41 are respectively communicated with the first and second chambers 111 and 112, the first and second solenoid valves 42 and 43 are respectively installed on the 匚 -shaped pipe 41, the fifth pipe 44 is fixedly connected to the middle of the 匚 -shaped pipe 41, and the cover 45 is screwed to the end of the fifth pipe 44; when it is desired to remove the solution from the first and second chambers 111, 112, the solution may be controlled to flow out through the fifth line 44 by activating either the first solenoid valve 42 or the second solenoid valve 43.
Referring to fig. 2 and 3, in order to grasp the insertion or separation of the concrete test piece into or from the infiltration tank 11, the suction assembly 5 is provided to include a support frame 51, two first hydraulic cylinders 52, two insert cylinders 53, a suction cup 54, a first air pipe 55, a second air pipe 56, a connecting sleeve 57 and an air pump 58, the cylinders of the two first hydraulic cylinders 52 are respectively fixed on the support frame 51, the two insert cylinders 53 are respectively fixed on the end portions of piston rods of the first hydraulic cylinders 52, the two insert cylinders 53 are respectively inserted into the concrete test piece, the suction cup 54 is fixed in the support frame 51, the first air pipe 55 is fixedly connected to the suction cup 54, the second air pipe 56 is connected to the end portions of the first air pipe 55 through the connecting sleeve 57, the air pump 58 is fixed on the support frame 51, and the second air pipe 56 is connected to the outlet of the air pump 58; when the concrete test piece needs to be grabbed and sucked, the first hydraulic cylinder 52 on the support frame 51 can be started, the embedded column 53 is inserted into the concrete test piece, the air pump 58 is started, the suction cup 54 is firmly adsorbed on the concrete test piece through the second air pipe 56 and the first air pipe 55, and therefore the concrete test piece can be grabbed.
Referring to fig. 4 and 5, in order to fix the infiltrated concrete test piece for easy slicing, the slicing tool 6 is provided to include a 匚 -shaped bracket 61, a second hydraulic cylinder 62, a pressing plate 63 and a spring pin 64, wherein the 匚 -shaped bracket 61 is fixed above the frame 1, the cylinder body of the second hydraulic cylinder 62 is fixed on the frame 1, the pressing plate 63 is fixed at the end of the piston rod of the second hydraulic cylinder 62, and the spring pin 64 is provided in the opening of the 匚 -shaped bracket 61; when the suction assembly 5 grabs the concrete test piece, the suction assembly can be placed in the slicing tool 6 for fixing, the concrete test piece can be placed in the opening of the 匚 -shaped bracket 61 during fixing, one side of the suction assembly is abutted against the suction assembly by the spring pin 64, and the suction assembly is driven by the second hydraulic cylinder 62 to press the suction assembly by the pressing plate 63, so that the concrete test piece is fixed.
Referring to fig. 2 and 3, in order to facilitate automation to realize the transfer of the concrete test piece, the transfer assembly 7 is provided, which comprises a third hydraulic cylinder 71, a sliding seat 72, a cross beam 73, a sliding block 74, a sliding groove 75, a screw 76 and a first servo motor 77, wherein the cross beam 73 is fixed above the frame 1, the sliding seat 72 is slidingly connected below the cross beam 73, the sliding block 74 is fixed on the sliding seat 72, the sliding groove 75 is arranged in the cross beam 73 for the sliding block 74 to horizontally slide, the screw 76 is in threaded connection with the sliding block 74, the first servo motor 77 is fixed at the end part of the cross beam 73 to drive the screw 76 to rotate, the cylinder body of the third hydraulic cylinder 71 is fixed at the bottom of the sliding seat 72, and the end part of the piston rod of the third hydraulic cylinder 71 is fixed at the top of the supporting frame 51; when the concrete test piece needs to be transferred, the third hydraulic cylinder 71 can be started to drive the suction assembly 5 to ascend, then the first servo motor 77 on the cross beam 73 can be started, the screw 76 is driven to rotate by the first servo motor 77, the sliding block 74 is driven to slide in the sliding groove 75, and accordingly the concrete test piece adsorbed by the suction assembly 5 can be driven to be transferred, and the degree of automation is high.
Referring to fig. 4 and 5, in order to realize disposable quick slicing, the slicing mechanism 8 includes two overhanging plates 81, two fourth hydraulic cylinders 82, a pulling plate 83, a carrier plate 84 and a plurality of slicing blades 85, the two overhanging plates 81 are respectively fixed above the frame 1, the cylinder bodies of the two fourth hydraulic cylinders 82 are respectively fixed on the overhanging plates 81, the pulling plate 83 is fixed at the end parts of piston rods of the two fourth hydraulic cylinders 82, the carrier plate 84 is fixed on the pulling plate 83, the plurality of slicing blades 85 are respectively fixed on the carrier plate 84, and when the fourth hydraulic cylinders 82 in the slicing mechanism 8 are started, the slicing mechanism can drive the pulling plate 83, the carrier plate 84 and the slicing blades to directly slice concrete test pieces, so that the slicing is convenient and quick, and the slicing efficiency is high.
Referring to fig. 6 and 7, in order to extract chloride ions in the sliced concrete, the chloride ion dissolving assembly 9 comprises a shaking seat 91, a test tube rack 92, a second servo motor 93, a traction spring 94 and a cam 95, wherein the shaking seat 91 is rotationally connected above the frame 1, the test tube rack 92 is fixed above the shaking seat 91 through screws, the second servo motor 93 is fixed above the frame 1, the cam 95 is fixed at the end part of a motor shaft of the second servo motor 93, the traction spring 94 is connected between the shaking seat 91 and the frame 1, when the sliced concrete test piece is taken down, the sliced concrete test piece can be placed in a test tube, the test tube is placed in the test tube rack 92, the second servo motor 93 can be started to drive the cam 95 to rotate, the shaking seat 91 is pushed to shake, the traction spring 94 is matched to complete traction shake, and the shaking dissolving effect is good; after the chloride ions are dissolved, the chloride ion concentration of each slice can be detected by using the chloride ion concentration tester 12, so that the impermeability of the concrete test piece can be obtained.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The concrete impermeability test device comprises a frame (1), and is characterized in that: further comprises:
a permeation tank (11) arranged on the frame (1);
a fixing component (2) for fixing the concrete test piece in the middle of the penetration box (11);
a first chamber (111) and a second chamber (112) disposed within the permeate tank (11);
A supply assembly (3) for supplying calcium hydroxide saturated solutions of different chloride ion concentration gradients into the first chamber (111) and the second chamber (112);
-a discharge assembly (4) for discharging the solution in said first chamber (111) and said second chamber (112);
a suction assembly (5) for gripping the concrete test piece out of the infiltration tank (11);
A slicing tool (6) for slicing the concrete test piece;
A transfer assembly (7) for driving the concrete test piece sucked by the suction assembly (5) to be transferred to the slicing tool (6);
The slicing mechanism (8) is used for directly slicing the concrete test piece in the slicing tool (6);
A chloride ion dissolving component (9) for dissolving the concrete test piece obtained by slicing by the slicing mechanism (8);
A chloride ion concentration tester (12) for analyzing a change in chloride ion concentration; the fixing assembly (2) comprises a 匚 -shaped partition plate (21), a sealing cushion layer (22), an injection penetrating groove (23) and two guide plates (24), wherein the 匚 -shaped partition plate (21) is fixed in the permeation box (11), the sealing cushion layer (22) is fixed in an opening of the 匚 -shaped partition plate (21), the injection penetrating groove (23) is formed in the top of the permeation box (11) for a concrete test piece to penetrate, the two guide plates (24) are respectively fixed on two sides of the injection penetrating groove (23) in the permeation box (11), and guide arc parts integrally formed with the two guide plates (24) are respectively formed in the top of the guide plates; the feeding assembly (3) comprises a first pump (31), a first pipeline (32), a second pipeline (33), a second pump (34), a third pipeline (35), a fourth pipeline (36) and a heater, wherein the first pump (31) and the second pump (34) are respectively fixed outside the permeation tank (11), the first pipeline (32) is communicated and fixed at a water inlet of the first pump (31), the second pipeline (33) is communicated and fixed at a water outlet of the first pump (31), one end of the second pipeline (33) stretches into the first chamber (111), the third pipeline (35) is communicated and fixed at a water inlet of the second pump (34), the fourth pipeline (36) is communicated and fixed at a water outlet of the second pump (34), one end of the fourth pipeline (36) stretches into the second chamber (112), and the heater is arranged in the first chamber (111) and the second chamber (112); the suction assembly (5) comprises a support frame (51), two first hydraulic cylinders (52), two embedded columns (53), a suction disc (54), a first air pipe (55), a second air pipe (56), a connecting sleeve (57) and an air pump (58), wherein the cylinder bodies of the two first hydraulic cylinders (52) are respectively fixed on the support frame (51), the two embedded columns (53) are respectively fixed at the end parts of piston rods of the first hydraulic cylinders (52), the two embedded columns (53) are respectively embedded and inserted in a concrete test piece, the suction disc (54) is fixed in the support frame (51), the first air pipe (55) is fixedly connected to the suction disc (54), the second air pipe (56) is connected to the end parts of the first air pipe (55) through the connecting sleeve (57), the air pump (58) is fixed on the support frame (51), and the second air pipe (56) is connected to the outlet of the air pump (58); the chloride ion dissolving assembly (9) comprises a shaking seat (91), a test tube rack (92), a second servo motor (93), a traction spring (94) and a cam (95), wherein the shaking seat (91) is rotationally connected to the upper portion of the frame (1), the test tube rack (92) is fixed to the upper portion of the shaking seat (91) through screws, the second servo motor (93) is fixed to the upper portion of the frame (1), the cam (95) is fixed to the end portion of a motor shaft of the second servo motor (93), and the traction spring (94) is connected between the shaking seat (91) and the frame (1).
2. The concrete impermeability test apparatus according to claim 1, wherein: the discharging assembly (4) comprises a 匚 -shaped pipeline (41), a first electromagnetic valve (42), a second electromagnetic valve (43), a fifth pipeline (44) and a sealing cover (45), two ends of the 匚 -shaped pipeline (41) are respectively communicated with the first cavity (111) and the second cavity (112), the first electromagnetic valve (42) and the second electromagnetic valve (43) are respectively installed on the 匚 -shaped pipeline (41), the fifth pipeline (44) is fixedly communicated with the middle part of the 匚 -shaped pipeline (41), and the sealing cover (45) is in threaded connection with the end part of the fifth pipeline (44).
3. The concrete impermeability test apparatus according to claim 1, wherein: the slicing tool (6) comprises a 匚 -shaped bracket (61), a second hydraulic cylinder (62), a pressing plate (63) and a spring pin (64), wherein the 匚 -shaped bracket (61) is fixed above the frame (1), a cylinder body of the second hydraulic cylinder (62) is fixed on the frame (1), the pressing plate (63) is fixed at the end part of a piston rod of the second hydraulic cylinder (62), and the spring pin (64) is arranged in an opening of the 匚 -shaped bracket (61).
4. The concrete impermeability test apparatus according to claim 1, wherein: the transfer assembly (7) comprises a third hydraulic cylinder (71), a sliding seat (72), a cross beam (73), a sliding block (74), a sliding groove (75), a screw rod (76) and a first servo motor (77), wherein the cross beam (73) is fixed above the frame (1), the sliding seat (72) is connected below the cross beam (73) in a sliding mode, the sliding block (74) is fixed on the sliding seat (72), the sliding groove (75) is formed in the cross beam (73) and is used for horizontally sliding the sliding block (74), the screw rod (76) is connected with the sliding block (74) through threads, the first servo motor (77) is fixed at the end portion of the cross beam (73) to drive the screw rod (76) to rotate, the cylinder body of the third hydraulic cylinder (71) is fixed at the bottom of the sliding seat (72), and the end portion of the piston rod of the third hydraulic cylinder (71) is fixed at the top of the supporting frame (51).
5. The concrete impermeability test apparatus according to claim 1, wherein: the slicing mechanism (8) comprises two overhanging plates (81), two fourth hydraulic cylinders (82), a pulling plate (83), a carrier plate (84) and a plurality of slicing blades (85), wherein the overhanging plates (81) are respectively fixed above the frame (1), the cylinder bodies of the fourth hydraulic cylinders (82) are respectively fixed on the overhanging plates (81), the pulling plate (83) is fixed at the end parts of piston rods of the fourth hydraulic cylinders (82), the carrier plate (84) is fixed on the pulling plate (83), and the slicing blades (85) are respectively fixed on the carrier plate (84).
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