CN117990589B - Concrete impermeability detection device and method - Google Patents
Concrete impermeability detection device and method Download PDFInfo
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- CN117990589B CN117990589B CN202410188390.3A CN202410188390A CN117990589B CN 117990589 B CN117990589 B CN 117990589B CN 202410188390 A CN202410188390 A CN 202410188390A CN 117990589 B CN117990589 B CN 117990589B
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- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 78
- 238000012360 testing method Methods 0.000 claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 239000012188 paraffin wax Substances 0.000 claims abstract description 42
- 239000003566 sealing material Substances 0.000 claims abstract description 14
- 238000003825 pressing Methods 0.000 claims abstract description 10
- 238000004018 waxing Methods 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000001680 brushing effect Effects 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 238000004537 pulping Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 abstract description 9
- 238000000576 coating method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000654 additive Substances 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 description 14
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 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
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
- G01N2001/366—Moulds; Demoulding
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Fluid Mechanics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a concrete impermeability detection device and method, and relates to the technical field of concrete additives; the device comprises a bottom plate, wherein an outer frame is fixedly arranged at the top end of the bottom plate, a support frame is fixedly arranged at one side of the top end of the outer frame, a top frame is fixedly arranged at the top end of the support frame, a uniform waxing mechanism is arranged on the top frame, a clamping closing mechanism is arranged on the outer frame, a lifting mechanism is arranged in the middle of the outer frame, and a pressing water supply mechanism is arranged at one side, close to the support frame, of the bottom end of the bottom plate; according to the invention, the uniform coating mechanism is arranged, so that the paraffin sealing material is uniformly coated on the outer wall of the concrete test piece through the uniform coating mechanism, the lifting mechanism and the clamping closing mechanism are arranged, the two clamping frames are driven to be close to each other through the clamping closing mechanism to clamp and fix the concrete, and meanwhile, the lifting mechanism is driven to synchronously descend, so that the paraffin coated concrete test piece moves downwards, and the effects of uniformly coating the paraffin sealing material on the concrete test piece and rapidly demolding through the operation are realized.
Description
Technical Field
The invention relates to the technical field of concrete additives, in particular to a concrete impermeability detection device and method.
Background
The concrete is a porous body with different pore diameters (10-500 mu m), when the surrounding medium has pressure difference (or concentration difference, temperature difference and potential difference), the medium migration, namely permeation, which is subject to fluid mechanics is carried out, the impermeability of the concrete is the basic performance of the concrete and is also an important characteristic of the durability of the concrete, and the impermeability of the concrete not only represents the water flow passing resistance of the concrete, but also influences the carbonization resistance, chloride ion permeation resistance and other performances of the concrete; the method comprises the steps of manually smearing paraffin sealing materials on the surface of a concrete test piece in the concrete detection process, manually smearing the paraffin sealing materials, which not only consumes human resources, but also causes uneven smearing, wherein the uneven smearing of the paraffin sealing materials can affect an experimental structure, and then after the paraffin sealing materials are smeared on the concrete test piece, the concrete test piece is sleeved in a detection mould, after the detection is finished, the concrete test piece is manually demolded from the mould, and then the detection is carried out, so that the manual demolding operation of the sleeve mould is tedious, the efficiency is slow, and aiming at the problems, the inventor provides a concrete impermeability detection device and a concrete impermeability detection method.
Disclosure of Invention
In order to solve the problems of uniformly coating paraffin sealing materials on the surface of a concrete test piece and rapidly demolding a concrete test piece in a sleeving mode; the invention aims to provide a concrete impermeability detection device and method.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a concrete impermeability performance detection device and method, includes the bottom plate, the top fixed mounting of bottom plate has the frame, top one side fixed mounting of frame has the support frame, support frame top fixed mounting has the top frame, be equipped with even waxing mechanism on the top frame, be equipped with clamping closure mechanism on the frame, the frame middle part is equipped with elevating system, bottom plate bottom is close to support frame one side and is equipped with the water supply mechanism that applies pressure.
Preferably, the even waxing mechanism comprises a rotating shaft, the rotating shaft is rotatably arranged in the middle of the top frame, the rotating shaft penetrates through the top frame, a fixed gear is fixedly arranged in the middle of the bottom end of the top frame, the rotating shaft penetrates through the fixed gear, a rotating rod is fixedly arranged at the bottom end of the rotating shaft and is in sliding connection with the top frame, a rotating shaft is rotatably arranged at one end of the rotating rod, which is far away from the rotating shaft, the rotating gear is fixedly arranged at the top end of the rotating shaft, the rotating gear is meshed with the fixed gear, a fixed frame is fixedly arranged at the bottom end of the rotating rod, which is close to one side of the rotating shaft, the rotating shaft is rotatably connected with the fixed frame, the bottom end of the fixed frame is fixedly arranged at the bottom end of the fixed frame, the bottom end of the rotating shaft is rotatably connected with the fixed frame, and the moving frame is slidably arranged in the fixed frame.
Preferably, the second rotating shaft is close to a first conical gear fixedly installed on the outer wall of one side of the fixed frame, the third rotating shaft is rotatably installed on one side of the fixed frame close to the first conical gear, the third rotating shaft penetrates through the movable frame, the second conical gear is fixedly installed on one side of the third rotating shaft close to the first conical gear, the first conical gear is meshed with the second conical gear, the third conical gear is sleeved on the outer wall of the third rotating shaft in a sliding mode, the third conical gear is rotatably connected with the movable frame, the heating roller is rotatably installed on one side of the movable frame close to the third conical gear, the fourth conical gear is fixedly installed on the top end of the heating roller, and the third conical gear is meshed with the fourth conical gear.
Preferably, the clamping closing mechanism comprises a supporting plate, four which are symmetrically distributed are arranged on the supporting plate, the supporting plate is fixedly arranged on the inner wall of the outer frame and is two near the supporting plate, a fixed shaft is fixedly arranged between the supporting plates, a turnover frame is rotatably sleeved on the outer wall of the fixed shaft, a second connecting rod is rotatably arranged at the top end of the turnover frame, a connecting block is rotatably arranged at the other end of the second connecting rod, a clamping frame is arranged on the connecting block, a guide frame is fixedly arranged at the bottom end of the connecting block, a chute which is symmetrically distributed is arranged in the middle of the top end of the outer frame, the turnover frame is in sliding connection with the chute, the outer frame is close to one side of the inlet chute and is in a through groove with the guide frame, the through groove is in a through connection with the chute, a first connecting rod is rotatably arranged at the middle part of the turnover frame far away from one side end of the supporting plate, a second driving electric cylinder is rotatably arranged at the bottom end of the turnover frame, and the driving end of the second driving electric cylinder is rotatably connected with the bottom end of the other turnover frame.
Preferably, the lifting mechanism comprises a lifting cylinder, the lifting cylinder is inserted in the middle of the top end of the outer frame in a penetrating mode, a supporting table is fixedly installed at the top end of the lifting cylinder, a fixed ring frame is fixedly installed at the bottom end of the lifting cylinder, and the fixed ring frame is rotationally connected with a first connecting rod.
Preferably, the pressure water supply mechanism comprises a water tank, the water tank is fixedly arranged at the top end of the bottom plate, one side of the outer wall of the water tank is fixedly provided with a pressure water pump, the bottom end of the pressure water pump is fixedly connected with the bottom plate, the water inlet end of the pressure water pump is in through connection with the water tank, the water outlet end of the pressure water pump is fixedly provided with a conveying pipe, the conveying pipe penetrates through the lifting cylinder, and the conveying pipe is fixedly connected with the water outlet in the middle of the supporting table.
Preferably, the dwang is close to a axis of rotation one side bottom fixed mounting and has a drive jar, a drive end of drive jar rotates and installs the pressboard, dwang is close to roof frame one side tip fixed mounting and has the fixed block, the fixed block bottom rotates and installs the ball, and the ball is equipped with two that are symmetric distribution, offer on the roof frame with the ball cooperation use a slide rail, and ball and a slide rail sliding connection.
Preferably, the paraffin frame is fixedly installed on the movable frame, the push plate is fixedly installed in the paraffin frame in a sliding manner, a plug which is symmetrically distributed is fixedly installed on the outer side of the push plate, two plugs penetrate through the movable frame, a spring is sleeved on the outer wall of the plug, two ends of the spring are fixedly connected with the push plate and the movable frame respectively, a plug No. two is fixedly installed in the middle of the outer side of the movable frame, the plug No. two penetrates through the fixed frame, a spring No. two is sleeved on the outer wall of the plug No. two, two ends of the spring are fixedly connected with the movable frame and the fixed frame respectively, rollers which are symmetrically distributed are rotatably installed on two sides of the outer wall of the movable frame, a No. two sliding rails which are matched with the rollers are fixedly installed on the fixed frame, no. two rollers and No. two sliding rails are slidably connected, a driving motor is fixedly installed at the bottom end of the inner wall of the top frame, and the driving motor and a rotating shaft are in transmission connection through a belt pulley transmission set.
Preferably, the connecting block and the clamping frame are provided with corresponding fixing notches, the fixing notches are symmetrically distributed, bolts are inserted into the fixing notches, and nuts are connected to the outer walls of the bolts in a threaded mode.
A method for detecting the impermeability of concrete, using a concrete impermeability detection apparatus as defined in any one of claims 1 to 9, comprising the steps of:
s1: curing the concrete test piece to be detected for 28 days after the casting of the mould is finished;
S2: after curing, brushing cement on the surface of the concrete test piece with a steel wire for pulping;
S3: installing a matched clamping frame according to the size of the concrete test piece;
S4: placing the cleaned concrete test piece on a detection device, and uniformly smearing paraffin sealing materials on the outer wall of the concrete test piece through the detection device;
S5: after the paraffin is smeared, the paraffin smeared concrete test piece is clamped and fixed by the detection device, and the inner wall of the clamping frame is tightly contacted with the surface of the paraffin to seal the paraffin;
s6: pressing water to the bottom of the concrete test piece by a water pump with water of 0.1MPa, quantitatively increasing the water at intervals of eight hours with water of 0.1MPa until the test piece is closed after water seepage, and recording the pressure intensity during water seepage;
s7: and after the concrete test piece is tested, automatically demolding, splitting the concrete test piece into two halves along the longitudinal surface by a press machine, and observing the water seepage height in the concrete test piece.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, the uniform coating mechanism is arranged, so that the paraffin sealing material is uniformly coated on the outer wall of the concrete test piece through the uniform coating mechanism, the lifting mechanism and the clamping closing mechanism are arranged, the two clamping frames are driven to be close to each other through the clamping closing mechanism to clamp and fix the concrete, and meanwhile, the lifting mechanism is driven to synchronously descend so that the paraffin coated concrete test piece moves downwards, and the effects of uniformly coating the paraffin sealing material on the concrete test piece and rapidly demolding a film are realized through the operations;
2. According to the invention, the uniform coating mechanism is arranged, so that the first rotating shaft drives the rotating rod to rotate, the rotating rod drives the heating roller to rotate around the outer wall of the concrete test piece through the fixing frame, the fixing frame and the moving frame, and simultaneously drives the third rotating shaft to rotate through the second transmission shaft, the third rotating shaft drives the heating roller to synchronously rotate, and the melted paraffin sealing material is uniformly coated on the outer wall of the concrete test piece through the rotation of the heating roller, so that the effect of uniformly coating the paraffin sealing material on the outer wall of the concrete is realized through the operation;
3. According to the invention, the clamping closing mechanism and the lifting mechanism are arranged, the turnover frames with two ends connected in a rotating way are driven by the second driving electric cylinder to mutually approach and turn, the two turnover frames turn and drive the two clamping frames to mutually approach through the second connecting rod and the connecting block, meanwhile, the supporting table is driven by the first connecting rod to descend through the lifting cylinder, and similarly, the supporting table is driven by the lifting cylinder to synchronously ascend while the two clamping frames are mutually far away, so that the effects of quickly covering a film on a concrete test piece and demolding are realized through ascending operation.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a schematic view of the whole cross-sectional structure of the front face of the present invention
Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.
Fig. 4 is an enlarged schematic view of the structure at B in fig. 2.
Fig. 5 is an enlarged schematic view of the structure at C in fig. 2.
Fig. 6 is an enlarged schematic view of the structure at D in fig. 3.
Fig. 7 is an enlarged schematic view of the structure at E in fig. 3.
FIG. 8 is a schematic structural view of the uniform waxing mechanism of the invention.
Fig. 9 is an enlarged schematic view of the structure at F in fig. 8.
Fig. 10 is a schematic structural view of a clamping closing mechanism in the present invention.
Fig. 11 is an enlarged schematic view of the structure at G in fig. 10.
In the figure: 1. a bottom plate; 2. an outer frame; 3. a support frame; 4. a top frame; 5. a uniform waxing mechanism; 501. a first rotating shaft; 502. a fixed gear; 503. a rotating lever; 504. a fixing frame; 505. a second rotating shaft; 506. rotating the gear; 507. a third rotating shaft; 508. a first bevel gear; 509. a secondary bevel gear; 510. a third bevel gear; 511. a heating roller; 512. a fourth bevel gear; 513. a fixed frame; 514. a moving frame; 515. a paraffin frame; 516. a push plate; 517. a first plug; 518. a first spring; 519. a second plug; 520. a second spring; 521. a fixed block; 522. a ball; 523. a first slide rail; 524. a roller; 525. a second slide rail; 526. a driving motor; 6. clamping the closing mechanism; 601. a support plate; 602. a fixed shaft; 603. a roll-over stand; 604. a first connecting rod; 605. a second connecting rod; 606. a connecting block; 607. a clamping frame; 608. a guide frame; 609. a chute; 610. a through groove; 611. a second driving electric cylinder; 612. a fixed notch; 613. a bolt; 614. a nut; 7. a lifting mechanism; 701. a lifting cylinder; 702. a support table; 703. a ring fixing frame; 8. a first driving electric cylinder; 801. pressing the plate; 9. a pressure water supply mechanism; 901. a water tank; 902. a pressure water pump; 903. a conveying pipe.
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.
Examples: as shown in fig. 1-11, the present invention provides a technical solution: the utility model provides a concrete impervious performance detection device and method, includes bottom plate 1, and the top fixed mounting of bottom plate 1 has frame 2, and the top one side fixed mounting of frame 2 has support frame 3, and support frame 3 top fixed mounting has top frame 4, is equipped with even waxing mechanism 5 on the top frame 4, is equipped with clamping closure mechanism 6 on the frame 2, and frame 2 middle part is equipped with elevating system 7, and bottom plate 1 bottom is close to support frame 3 one side and is equipped with pressure water supply mechanism 9.
The uniform waxing mechanism 5 comprises a first rotating shaft 501, the first rotating shaft 501 is rotatably mounted in the middle of the top frame 4, the first rotating shaft 501 penetrates through the top frame 4, a fixed gear 502 is fixedly mounted in the middle of the bottom end of the top frame 4, the first rotating shaft 501 penetrates through the fixed gear 502, a rotating rod 503 is fixedly mounted at the bottom end of the first rotating shaft 501 and is slidably connected with the top frame 4, a second rotating shaft 505 is rotatably mounted at one end, far away from the first rotating shaft 501, of the rotating rod 503, a rotating gear 506 is fixedly mounted at the top end of the second rotating shaft 505, the rotating gear 506 is meshed with the fixed gear 502, a fixed frame 504 is fixedly mounted at the bottom end, close to one side of the second rotating shaft 505, of the rotating rod 503, the second rotating shaft 505 is rotatably connected with the fixed frame 504, a fixed frame 513 is fixedly mounted at the bottom end of the second rotating shaft 505, the fixed frame 513 is rotatably connected with the fixed frame 513, and a movable frame 514 is slidably arranged in the fixed frame 513.
By adopting the above technical scheme, the rotating rod 503 rotates and drives the second rotating shaft 505 to rotate through the fixed gear 502 and the rotating gear 506.
The outer wall of one side of the second rotating shaft 505, which is close to the fixed frame 513, is fixedly provided with a first conical gear 508, one side of the fixed frame 513, which is close to the first conical gear 508, is rotatably provided with a third rotating shaft 507, the third rotating shaft 507 penetrates through the moving frame 514, one side of the third rotating shaft 507, which is close to the first conical gear 508, is fixedly provided with a second conical gear 509, the first conical gear 508 is in meshed connection with the second conical gear 509, the outer wall of the third rotating shaft 507 is slidably sleeved with a third conical gear 510, the third conical gear 510 is rotatably connected with the moving frame 514, one side of the moving frame 514, which is close to the third conical gear 510, is rotatably provided with a heating roller 511, the top end of the heating roller 511 is fixedly provided with a fourth conical gear 512, and the third conical gear 510 is in meshed connection with the fourth conical gear 512.
By adopting the technical scheme, the second rotating shaft 505 drives the heating roller 511 to rotate through the third rotating shaft 507.
The clamping closing mechanism 6 comprises support plates 601, four symmetrically distributed support plates 601 are arranged on the support plates 601, the four support plates 601 are fixedly mounted on the inner wall of an outer frame 2, a fixed shaft 602 is fixedly mounted between the two adjacent support plates 601, a roll-over stand 603 is rotatably sleeved on the outer wall of the fixed shaft 602, a second connecting rod 605 is rotatably mounted on the top end of the roll-over stand 603, a connecting block 606 is rotatably mounted on the other end of the second connecting rod 605, a clamping frame 607 is arranged on the connecting block 606, a guide frame 608 is fixedly mounted on the bottom end of the connecting block 606, a chute 609 which is symmetrically distributed is formed in the middle of the top end of the outer frame 2, the roll-over stand 603 and the chute 609 are in sliding connection, one side of the outer frame 2, close to the chute 609, is provided with a through groove 610 and the through groove 610, the guide frame 608 is in sliding connection with the through groove 610, a first connecting rod 604 is rotatably mounted on the end of one side, far away from the support plate 601, a second driving cylinder 611 is rotatably mounted on the bottom end of the roll-over stand 603, and the driving end of the second driving cylinder 611 is rotatably connected with the bottom end of the other roll-over stand 603.
By adopting the technical scheme, the second driving electric cylinder 611 drives the two turnover frames 603 to synchronously turn.
The lifting mechanism 7 comprises a lifting cylinder 701, wherein the lifting cylinder 701 is inserted in the middle of the top end of the outer frame 2 in a penetrating way, a supporting table 702 is fixedly arranged at the top end of the lifting cylinder 701, a fixed ring frame 703 is fixedly arranged at the bottom end of the lifting cylinder 701, and the fixed ring frame 703 is rotationally connected with a first connecting rod 604.
Through adopting above-mentioned technical scheme, make first connecting rod 604 drive lift section of thick bamboo 701 through solid ring frame 703 and go up and down to remove.
The pressure water supply mechanism 9 comprises a water tank 901, the water tank 901 is fixedly arranged at the top end of the bottom plate 1, a pressure water pump 902 is fixedly arranged on one side of the outer wall of the water tank 901, the bottom end of the pressure water pump 902 is fixedly connected with the bottom plate 1, the water inlet end of the pressure water pump 902 is in through connection with the water tank 901, a conveying pipe 903 is fixedly arranged at the water outlet end of the pressure water pump 902, the conveying pipe 903 penetrates through the lifting cylinder 701, and the conveying pipe 903 is fixedly connected with a water outlet in the middle of the supporting table 702.
By adopting the above technical scheme, the water in the water tank 901 is pressurized by the pressure water pump 902 and then is conveyed through the conveying pipe 903.
The bottom end of one side of the rotating rod 503, which is close to the first rotating shaft 501, is fixedly provided with a first driving electric cylinder 8, the driving end of the first driving electric cylinder 8 is rotatably provided with a pressing plate 801, the end of one side of the rotating rod 503, which is close to the top frame 4, is fixedly provided with a fixed block 521, the bottom end of the fixed block 521 is rotatably provided with a ball 522, the two balls 522 are symmetrically distributed, the top frame 4 is provided with a first sliding rail 523 matched with the ball 522, and the ball 522 is in sliding connection with the first sliding rail 523.
By adopting the above technical scheme, the rotating rod 503 is slidingly connected with the top frame 4 in the first slide rail 523 through the ball 522 rotatably mounted on the fixed block 521.
A paraffin frame 515 is fixedly installed on the movable frame 514, a push plate 516 is slidably installed in the paraffin frame 515, first bolts 517 which are symmetrically distributed are fixedly installed on the outer side of the push plate 516, the two first bolts 517 penetrate through the movable frame 514, a first spring 518 is sleeved on the outer wall of the first bolts 517, two ends of the first spring 518 are fixedly connected with the push plate 516 and the movable frame 514 respectively, a second bolt 519 is fixedly installed in the middle of the outer side of the movable frame 514, the second bolt 519 penetrates through the fixed frame 513, a second spring 520 is sleeved on the outer wall of the second bolt 519, two ends of the second spring 520 are fixedly connected with the movable frame 514 and the fixed frame 513 respectively, rollers 524 which are symmetrically distributed are rotatably installed on the two sides of the outer wall of the movable frame 514, a second sliding rail 525 which is matched with the rollers 524 is slidably connected with the second sliding rail, a driving motor 526 is fixedly installed at the bottom end of the inner wall of the top frame 4, and the driving motor 526 and the first rotating shaft 501 are in transmission connection through a belt pulley group.
By adopting the technical scheme, the first driving motor 526 drives the first rotating shaft 501 to rotate.
Corresponding fixing notches 612 are formed in the connecting block 606 and the clamping frame 607, two symmetrically distributed fixing notches 612 are formed in the fixing notches 612, bolts 613 are inserted into the two fixing notches 612 in a penetrating mode, and nuts 614 are connected to the outer walls of the bolts 613 in a threaded mode.
By adopting the technical scheme, the clamping frame 607 and the connecting block 606 are fixedly connected through the bolts 613 and the nuts 614.
A method for detecting the impermeability of concrete, using a concrete impermeability detection apparatus as defined in any one of claims 1 to 9, comprising the steps of:
s1: curing the concrete test piece to be detected for 28 days after the casting of the mould is finished;
S2: after curing, brushing cement on the surface of the concrete test piece with a steel wire for pulping;
S3: installing a matched clamping frame according to the size of the concrete test piece;
S4: placing the cleaned concrete test piece on a detection device, and uniformly smearing paraffin sealing materials on the outer wall of the concrete test piece through the detection device;
S5: after the paraffin is smeared, the paraffin smeared concrete test piece is clamped and fixed by the detection device, and the inner wall of the clamping frame is tightly contacted with the surface of the paraffin to seal the paraffin;
s6: pressing water to the bottom of the concrete test piece by a water pump with water of 0.1MPa, quantitatively increasing the water at intervals of eight hours with water of 0.1MPa until the test piece is closed after water seepage, and recording the pressure intensity during water seepage;
s7: and after the concrete test piece is tested, automatically demolding, splitting the concrete test piece into two halves along the longitudinal surface by a press machine, and observing the water seepage height in the concrete test piece.
By adopting the technical scheme, the impermeability of the concrete test piece is detected.
Working principle: firstly, cleaning a cured concrete test piece, fixedly connecting two clamping frames 607 which are correspondingly matched with the concrete test piece with corresponding connecting blocks 606 through bolts 613 and nuts 614, closing the two clamping frames 607 to form annular frames, fixedly mounting rubber waterproof pads at the connecting positions of the inner wall, the bottom end and the outer side of the clamping frames 607, placing the concrete test piece on the middle part of a supporting table 702 after the clamping frames 607 are mounted, controlling to start a first driving electric cylinder 8, stretching the driving end of the first driving electric cylinder 8 to drive the bottom of a pressing plate 801 to be attached to the top end of the concrete test piece, clamping and fixing the pressing plate 801 and the supporting table 702 to the concrete test piece, at the moment, attaching a heating roller 511 to the outer wall of the concrete test piece under the action of a moving frame 514, a fixed frame 513, a second spring 520 and a second plug 519, enabling the moving frame 514 to slide through the elasticity of the second spring 520 according to the matching of the corresponding clamping frames, arranging paraffin blocks in the lower paraffin frame 515, attaching the paraffin blocks to the heating roller 511 under the action of a pushing plate 516, the first plug 517 and the first spring 518, and attaching the paraffin blocks to the heating roller 511 to be attached to the outer wall of the heating roller 511;
Meanwhile, the driving motor 526 is controlled to be started, the driving end of the driving motor 526 drives the first rotating shaft 501 to rotate anticlockwise through the belt pulley transmission group, the first rotating shaft 501 drives the movable frame 514 to rotate around the concrete test piece anticlockwise through the rotating rod 503, the fixed frame 504 and the fixed frame 513, the second rotating shaft 505 is driven to rotate anticlockwise through the fixed gear 502 and the rotating gear 506 while the rotating rod 503 rotates, the third rotating shaft 507 is driven to rotate anticlockwise through the first conical gear 508 and the second conical gear 509, the third rotating shaft 507 drives the heating roller 511 to rotate anticlockwise through the third conical gear 510 and the fourth conical gear 512, the heating roller 511 rotates around the outer wall of the concrete test piece under the driving of the movable frame 514 and simultaneously rotates to uniformly paint paraffin melted and attached to the surface of the heating roller 511 on the outer wall of the concrete test piece;
After paraffin is coated, the first driving electric cylinder 8 is closed, the second driving electric cylinder 611 is opened, the driving end of the second driving electric cylinder 611 stretches to drive the turnover frames 603 which are rotationally connected with the two ends to synchronously turn over to one side of a concrete test piece by taking the fixed shafts 602 fixedly arranged on the corresponding supporting plates 601 as axes, the turnover frames 603 turn over and drive the lifting cylinders 701 to move downwards through the first connecting rods 604, rubber waterproof pads are fixedly arranged at the bottoms of the supporting tables 702, the lifting cylinders 701 move downwards and simultaneously the two turnover frames 603 respectively drive the corresponding connecting blocks 606 to be close to each other under the guidance of the guide frames 608 and the through grooves 610 through the corresponding second connecting rods 605, the two connecting blocks 606 are close to each other to drive the corresponding clamping frames 607 to be close to each other, and when the lifting cylinders 701 drive the supporting tables 702 to completely enter the notch matched with the supporting tables 702 to be used with the top ends of the outer frames 2, the two clamping frames 607 are completely tightly adhered to the outer walls of the concrete test piece and are closed to form an annular frame;
And controlling to start the pressure water pump 902, conveying water in the water tank 901 to a water outlet in the middle of the supporting table 702 through the conveying pipe 903 after the pressure water pump 902 pressurizes, discharging the water from the water outlet to detect a concrete test piece, closing the second driving electric cylinder 611 after the experiment detection is finished, and resetting the shrinkage of the driving end of the second driving electric cylinder 611 through the reverse steps to realize quick demoulding of the concrete test piece.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (8)
1. The utility model provides a concrete impervious performance detection device, includes bottom plate (1), its characterized in that: the automatic waxing machine is characterized in that an outer frame (2) is fixedly arranged at the top end of the bottom plate (1), a supporting frame (3) is fixedly arranged at one side of the top end of the outer frame (2), a top frame (4) is fixedly arranged at the top end of the supporting frame (3), a uniform waxing mechanism (5) is arranged on the top frame (4), a clamping closing mechanism (6) is arranged on the outer frame (2), a lifting mechanism (7) is arranged in the middle of the outer frame (2), and a pressing water supply mechanism (9) is arranged at one side, close to the supporting frame (3), of the bottom end of the bottom plate (1);
The even waxing mechanism (5) comprises a first rotating shaft (501), the first rotating shaft (501) is rotatably mounted in the middle of the top frame (4), the first rotating shaft (501) penetrates through the top frame (4), a fixed gear (502) is fixedly mounted in the middle of the bottom end of the top frame (4), the first rotating shaft (501) penetrates through the fixed gear (502), a rotating rod (503) is fixedly mounted at the bottom end of the first rotating shaft (501), the rotating rod (503) is slidably connected with the top frame (4), a second rotating shaft (505) is rotatably mounted at one end of the rotating rod (503) far away from the first rotating shaft (501), a rotating gear (506) is fixedly mounted at the top end of the second rotating shaft (505), the rotating gear (506) is meshed with the fixed gear (502), a fixed frame (504) is fixedly mounted at the bottom end of one side of the rotating rod (503) close to the second rotating shaft (505), a fixed frame (513) is rotatably connected with the bottom end of the second rotating shaft (505), the second rotating shaft (505) is rotatably connected with the fixed frame (513), and the movable frame (514) is slidably connected with the second rotating frame (513);
The device is characterized in that a first conical gear (508) is fixedly installed on the outer wall of one side, close to the fixed frame (513), of the second rotating shaft (505), a third rotating shaft (507) is rotatably installed on one side, close to the first conical gear (508), of the fixed frame (513), the third rotating shaft (507) penetrates through the movable frame (514), a second conical gear (509) is fixedly installed on one side, close to the first conical gear (508), of the third rotating shaft (507), the first conical gear (508) is in meshed connection with the second conical gear (509), a third conical gear (510) is sleeved on the outer wall of the third rotating shaft (507) in a sliding mode, the third conical gear (510) is rotatably connected with the movable frame (514), a heating roller (511) is rotatably installed on one side, close to the third conical gear (510), and a fourth conical gear (512) is fixedly installed on the top end of the heating roller (511), and the third conical gear (510) is in meshed connection with the fourth conical gear (512).
The heating roller (511) rotates around the outer wall of the concrete test piece under the drive of the moving frame (514) and rotates at the same time, so that paraffin melted and attached to the surface of the heating roller (511) is uniformly smeared on the outer wall of the concrete test piece.
2. The concrete impermeability detection device according to claim 1, wherein the clamping closing mechanism (6) comprises a supporting plate (601), four supporting plates (601) are symmetrically distributed, four supporting plates (601) are fixedly installed on the inner wall of an outer frame (2), a fixed shaft (602) is fixedly installed between two adjacent supporting plates (601), a roll-over stand (603) is rotatably sleeved on the outer wall of the fixed shaft (602), a second connecting rod (605) is rotatably installed at the top end of the roll-over stand (603), a connecting block (606) is rotatably installed at the other end of the second connecting rod (605), a clamping frame (607) is arranged on the connecting block (606), a guide frame (608) is fixedly installed at the bottom end of the connecting block (606), symmetrically distributed sliding grooves (609) are formed in the middle of the top end of the outer frame (2), the roll-over stand (603) and the sliding grooves (609) are connected in a sliding mode, a guide frame (608) penetrates through a groove (610) through one side of the outer frame (2) close to the sliding grooves (609), the through grooves (610) are rotatably installed through the guide frame (608), the connecting rod (604) is rotatably installed at one side far away from the middle of the connecting rod (601), the second driving electric cylinder (611) is rotatably arranged at the bottom end of the roll-over stand (603), and the driving end of the second driving electric cylinder (611) is rotatably connected with the bottom end of the other roll-over stand (603).
3. The concrete impermeability test apparatus as recited in claim 1, wherein said lifting mechanism (7) includes a lifting cylinder (701), said lifting cylinder (701) is inserted through a middle portion of a top end of said outer frame (2), a supporting table (702) is fixedly installed at a top end of said lifting cylinder (701), a ring fixing frame (703) is fixedly installed at a bottom end of said lifting cylinder (701), and said ring fixing frame (703) is rotatably connected with a first connecting rod (604).
4. The concrete impermeability detection device according to claim 1, wherein the pressure-applying water supply mechanism (9) comprises a water tank (901), the water tank (901) is fixedly installed at the top end of the bottom plate (1), one side of the outer wall of the water tank (901) is fixedly provided with a pressure water pump (902), the bottom end of the pressure water pump (902) is fixedly connected with the bottom plate (1), the water inlet end of the pressure water pump (902) is in through connection with the water tank (901), the water outlet end of the pressure water pump (902) is fixedly provided with a conveying pipe (903), the conveying pipe (903) penetrates through the lifting cylinder (701), and the conveying pipe (903) is fixedly connected with a water outlet in the middle of the supporting table (702).
5. The concrete impermeability detection device according to claim 1, wherein a first driving electric cylinder (8) is fixedly arranged at the bottom end of one side of the rotating rod (503) close to the first rotating shaft (501), a pressing plate (801) is rotatably arranged at the driving end of the first driving electric cylinder (8), a fixed block (521) is fixedly arranged at the end of one side of the rotating rod (503) close to the top frame (4), balls (522) are rotatably arranged at the bottom end of the fixed block (521), the balls (522) are symmetrically distributed, a first sliding rail (523) matched with the balls (522) is arranged on the top frame (4), and the balls (522) are in sliding connection with the first sliding rail (523).
6. The device for detecting the impermeability of concrete according to claim 1, wherein a paraffin frame (515) is fixedly installed on the movable frame (514), a push plate (516) is slidably installed in the paraffin frame (515), a first plug (517) which is symmetrically distributed is fixedly installed on the outer side of the push plate (516), two first plugs (517) penetrate through the movable frame (514), a first spring (518) is sleeved on the outer wall of the first plug (517), two ends of the first spring (518) are fixedly connected with the push plate (516) and the movable frame (514) respectively, a second plug (519) is fixedly installed in the middle of the outer side of the movable frame (514), a second spring (520) is fixedly installed on the outer wall of the second plug (519), two ends of the second spring (520) are fixedly connected with the movable frame (514) and the fixed frame (513) respectively, rollers (524) which are symmetrically distributed are rotatably installed on the two sides of the outer wall of the movable frame (514), a second motor (524) is fixedly installed on the outer wall of the movable frame (514), a second plug (519) penetrates through the fixed frame (513), the second plug (519) and the rollers (525) are fixedly installed on the inner wall of the movable frame (525) respectively, and the driving motor (526) is in transmission connection with the first rotating shaft (501) through a belt pulley transmission group.
7. The concrete impermeability detection device according to claim 2, characterized in that the connecting block (606) and the clamping frame (607) are provided with corresponding fixing notches (612), the fixing notches (612) are provided with two symmetrically distributed fixing notches, bolts (613) are inserted through the fixing notches (612), and nuts (614) are connected to the outer walls of the bolts (613) in a threaded manner.
8. A method for detecting the impermeability of concrete, characterized in that a concrete impermeability detection apparatus as defined in any one of claims 1 to 7 is used, comprising the steps of:
s1: curing the concrete test piece to be detected for 28 days after the casting of the mould is finished;
S2: after curing, brushing cement on the surface of the concrete test piece with a steel wire for pulping;
S3: installing a matched clamping frame according to the size of the concrete test piece;
S4: placing the cleaned concrete test piece on a detection device, and uniformly smearing paraffin sealing materials on the outer wall of the concrete test piece through the detection device;
S5: after the paraffin is smeared, the paraffin smeared concrete test piece is clamped and fixed by the detection device, and the inner wall of the clamping frame is tightly contacted with the surface of the paraffin to seal the paraffin;
s6: pressing water to the bottom of the concrete test piece by a water pump with water of 0.1MPa, quantitatively increasing the water at intervals of eight hours with water of 0.1MPa until the test piece is closed after water seepage, and recording the pressure intensity during water seepage;
s7: and after the concrete test piece is tested, automatically demolding, splitting the concrete test piece into two halves along the longitudinal surface by a press machine, and observing the water seepage height in the concrete test piece.
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| CN117129402A (en) * | 2023-10-16 | 2023-11-28 | 江西禹治工程质量检测有限公司 | Concrete impermeability test device and method for engineering quality detection |
| CN117517162A (en) * | 2023-10-25 | 2024-02-06 | 黄进西 | Automatic concrete permeation resistance tester |
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| US4524604A (en) * | 1983-02-25 | 1985-06-25 | Vondran Gary L | Concrete permeability testing device and method |
| CN214374140U (en) * | 2021-01-20 | 2021-10-08 | 中铁十二局集团安徽混凝土制品有限公司 | Test piece surface sealing coating smearing device for concrete impermeability test |
| CN214668443U (en) * | 2021-03-15 | 2021-11-09 | 兰州城市建设学校 | Experimental device for detect concrete impermeability |
| CN218121697U (en) * | 2022-05-24 | 2022-12-23 | 河北广宸建筑工程检测有限公司 | Automatic pressure regulating concrete permeameter |
| CN218013808U (en) * | 2022-08-01 | 2022-12-13 | 海南永兆混凝土配送有限公司 | Test piece surface smearing device for concrete impermeability test |
| CN117517166A (en) * | 2023-11-13 | 2024-02-06 | 四川兴城港瑞建材有限公司 | Concrete impermeability test device and operation method |
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| CN117517162A (en) * | 2023-10-25 | 2024-02-06 | 黄进西 | Automatic concrete permeation resistance tester |
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