CN216350243U - Alkali-resistant seal primer coating experimental device - Google Patents
Alkali-resistant seal primer coating experimental device Download PDFInfo
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- CN216350243U CN216350243U CN202123015386.8U CN202123015386U CN216350243U CN 216350243 U CN216350243 U CN 216350243U CN 202123015386 U CN202123015386 U CN 202123015386U CN 216350243 U CN216350243 U CN 216350243U
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Abstract
The utility model discloses an alkali-resistant seal primer coating experimental device which comprises a box body, wherein four hydraulic telescopic columns are fixedly arranged on the inner wall of the box body, an installation plate is arranged at the output ends of the four hydraulic telescopic columns, four bolt holes are formed in the installation plate, four groups of adsorption holes are formed in the installation plate, the back surfaces of the four groups of adsorption holes are communicated with a negative pressure adsorption cylinder, a liquid storage tank is arranged at the top of the box body, and a water pump is arranged at the top of the box body. Through the air heater and the collection frame that set up, can start the air heater after spraying the simulation, heat the inside air current and drive and flow, make its service environment that can simulate summer, and can experiment the tolerance condition of lacquer layer, and no matter buck or water, get into inside the collecting box after spraying, the operation personnel can collect the detection to the inside liquid of collecting box, also can be according to the remaining lacquer layer contrast in residue filter plate top, the realization is to the test of high strength and the test of multi-angle carry out the simulation experiment, the operating efficiency has been increased.
Description
Technical Field
The utility model belongs to the technical field of alkali-resistant seal primer coating, and particularly relates to an alkali-resistant seal primer coating experimental device.
Background
The alkali-resistant seal primer consists of alkali-resistant resin, wear-resistant filler, solvent, auxiliary agent and the like, has super strong adhesion to concrete, outstanding alkali resistance and sealing performance, good matching performance with various terrace coatings and protective coatings of concrete structures, and is used as the protective seal primer for concrete base materials.
The utility model discloses an alkali-resistant seal primer coating experimental device as disclosed in Chinese patent CN212693566U, which comprises an experimental sample plate, wherein first sliding grooves are symmetrically formed in the upper surface of the experimental sample plate, second sliding grooves are formed in the bottoms of the two first sliding grooves, sliding blocks are slidably connected to the inner walls of the two second sliding grooves, sliding plates are fixedly connected to the upper surfaces of the two sliding blocks, the two sliding plates are slidably connected with the first sliding grooves, sliding rods are fixedly connected to one sides of the two sliding plates, threaded blocks are connected to the surface of a first threaded shaft in a threaded manner and slidably connected with the sliding rods, bearings are fixedly connected with a bottom plate, through holes are symmetrically formed in the bottom plate, and threaded racks are slidably connected with the through holes, so that the problem that the experimental device is difficult to adjust the alkali resistance and move a spray head device on the basis of a common alkali-resistant seal primer coating experimental device is solved, The effects of the drawbacks of the sunproof and waterproof properties are examined, however, there are the following problems in its use:
1. due to the fact that the moving structure is simple, the function of performing the air drying resistance experiment on the whole alkali-resistant seal primer is not achieved in the actual using process.
2. Because it does not set up and collects the structure to the buck, has leaded to in the actual experimentation, can't detect the index that drops of reality.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide an alkali-resistant seal primer coating experimental device, which solves the problems that an anti-air drying test is not arranged and a paint layer is not dropped and collected.
In order to achieve the purpose, the utility model provides the following technical scheme: an alkali-resistant seal primer coating experimental device comprises a box body, wherein four hydraulic telescopic columns are fixedly mounted on the inner wall of the box body, a mounting plate is mounted at the output ends of the four hydraulic telescopic columns, four bolt holes are formed in the mounting plate, four groups of adsorption holes are formed in the mounting plate, the back surfaces of the four groups of adsorption holes are communicated with a negative pressure adsorption cylinder, a liquid storage tank is arranged at the top of the box body, a water pump is arranged at the top of the box body, a hot air blower is arranged at the top of the box body, two third shaft seats are fixedly mounted at the top of an inner cavity of the box body, a vertical lead screw is movably sleeved in each of the two third shaft seats, a second shaft seat is sleeved at one end of each vertical lead screw, a vertical motor is mounted at one end of each vertical lead screw, a vertical hoop is movably sleeved at the outer side of each vertical lead screw, a transverse motor is fixedly mounted at one side of each vertical hoop, the output end of the transverse motor is provided with a transverse screw rod, a first shaft seat is movably sleeved at the other end of the transverse screw rod, a sliding hoop is movably sleeved at the outer side of the transverse screw rod, a high-pressure sprayer is fixedly mounted at the top of the sliding hoop, an input end of the high-pressure sprayer is communicated with a hose, a limiting ring is fixedly mounted at the top of the high-pressure sprayer, a sliding rod is movably sleeved at the inner side of the limiting ring, a driven wheel is arranged at the outer side of the vertical screw rod, a collecting box is communicated with the bottom of the box body, filter plate residues are arranged inside the collecting box, and a pressure sensor is arranged inside the mounting plate.
Preferably, one end of the negative pressure adsorption cylinder, which is far away from the adsorption hole, is fixedly arranged on the inner wall of the box body.
Through adopting above-mentioned technical scheme, the advantage lies in that air current and atmospheric pressure adsorb the smooth face of test through adsorbing the hole, and the different faces of the reply of being convenient for are installed fixedly.
Preferably, the four bolt holes are uniformly distributed in the mounting plate in a rhombic shape, and the four groups of adsorption holes are respectively positioned on two sides of the bolt holes and are uniformly distributed.
Through adopting above-mentioned technical scheme, the advantage lies in coping with the face and the size of different installations, has increased the convenience of test, makes its test experiment sample collection not be restricted to specific specification, excellent in use effect.
Preferably, the input end of the water pump is communicated with the inside of the liquid storage tank through a pipeline, and the output end of the water pump is communicated with the inside of the hose.
Through adopting above-mentioned technical scheme, the advantage lies in that the water pump takes the inside liquid of liquid reserve tank out, is convenient for get into the inside of high pressure nozzle through the hose to realize the pump sending of liquid.
Preferably, the output end and the input end of the air heater are respectively communicated with the two sides of the box body through pipelines.
Through adopting above-mentioned technical scheme, the advantage lies in when starting the air heater, heats the inside air current of box and drives the flow, makes its service environment that can simulate summer to can experiment the tolerance condition of lacquer layer.
Preferably, the second shaft seats are fixedly installed at the bottom of the inner cavity of the box body, the vertical motor is fixedly installed at the bottom of the inner cavity of the box body, the two third shaft seats, the second shaft seats and the vertical motor are uniformly distributed at four ends of the vertical screw rod in a rectangular mode, and the outer side of the driven wheel is sleeved with the transmission crawler.
Through adopting above-mentioned technical scheme, the advantage lies in that third axle bed and second axle bed and perpendicular motor provide rotation support spacing power for two perpendicular lead screws, facilitate its transmission structure fortune.
Preferably, the first shaft seat and one side of the transverse motor far away from the transverse screw rod are both fixedly installed on the opposite side of the vertical hoop, and two ends of the supporting and sliding rod are respectively and fixedly installed on the top of the first shaft seat and the top of the transverse motor.
By adopting the technical scheme, the high-pressure sprayer has the advantages that when the transverse motor drives the transverse screw rod to rotate, the position of the sliding hoop is moved, and then the high-pressure sprayer can be driven to move.
Compared with the prior art, the utility model has the beneficial effects that:
1. the action bars of a section of thick bamboo is adsorbed through the negative pressure that sets up under the removal of the flexible post of hydraulic pressure, outside extraction is similar to medical cylinder, air current and atmospheric pressure adsorb the glossy face of test through adsorbing the hole this moment, can experiment after the installation, can add water or the alkaline water of ratio through the inside selection of liquid reserve tank, realize different modes, liquid passes through the water pump and gets into the hose, get into high pressure nozzle through the hose, spray the outside at alkali-resistant closed primer with rivers pressurization by high pressure nozzle, pressure sensor can the certain power that produces at rubber sealing layer deformation of perception this moment, and then can record the pressure that the test surface bore, make data more directly perceived.
2. Through the air heater and the collection frame that set up, can start the air heater after spraying the simulation, heat the inside air current and drive and flow, make its service environment that can simulate summer, and can experiment the tolerance condition of lacquer layer, and no matter buck or water, get into inside the collecting box after spraying, the operation personnel can collect the detection to the inside liquid of collecting box, also can be according to the remaining lacquer layer contrast in residue filter plate top, the realization is to the test of high strength and the test of multi-angle carry out the simulation experiment, the operating efficiency has been increased.
Drawings
FIG. 1 is a front perspective structural view of the present invention;
FIG. 2 is a schematic view of the interior structure of the front door of the present invention;
FIG. 3 is a schematic right sectional view of the present invention;
fig. 4 is a front sectional structural view of the present invention.
In the figure: 1. a box body; 2. a collection box; 3. a negative pressure adsorption cylinder; 4. a water pump; 5. mounting a plate; 6. a liquid storage tank; 7. a hot air blower; 8. a limiting ring; 9. a driven wheel; 10. a sliding ferrule; 11. a first shaft seat; 12. a vertical screw rod; 13. a vertical motor; 14. bolt holes; 15. an adsorption hole; 16. a second shaft base; 17. a transverse motor; 18. a vertical ferrule; 19. supporting a sliding rod; 20. a hose; 21. a third shaft seat; 22. a transverse screw rod; 23. a hydraulic telescopic column; 24. filtering the residue by a filter plate; 25. a high pressure spray head; 26. a pressure sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, an alkali-resistant seal primer coating experimental device comprises a box body 1, four hydraulic telescopic columns 23 are fixedly installed on the inner wall of the box body 1, an installation plate 5 is installed at the output ends of the four hydraulic telescopic columns 23, four bolt holes 14 are arranged inside the installation plate 5, four groups of adsorption holes 15 are arranged inside the installation plate 5, the back sides of the four groups of adsorption holes 15 are communicated with a negative pressure adsorption cylinder 3, a liquid storage tank 6 is arranged at the top of the box body 1, a water pump 4 is arranged at the top of the box body 1, a hot air blower 7 is arranged at the top of the box body 1, two third shaft seats 21 are fixedly installed at the top of the inner cavity of the box body 1, a vertical screw rod 12 is movably sleeved inside each of the two third shaft seats 21, a second shaft seat 16 is sleeved at one end of the vertical screw rod 12, a vertical motor 13 is installed at one end of the vertical screw rod 12, a vertical hoop 18 is movably sleeved outside the vertical screw rod 12, one side of perpendicular cuff 18 is fixed with horizontal motor 17, the output of horizontal motor 17 is provided with horizontal lead screw 22, the other end activity of horizontal lead screw 22 has cup jointed first axle seat 11, horizontal lead screw 22, the activity of the outside of horizontal lead screw 22 has cup jointed slip cuff 10, the top fixed mounting of slip cuff 10 has high-pressure nozzle 25, the input intercommunication of high-pressure nozzle 25 has hose 20, the top fixed mounting of high-pressure nozzle 25 has spacing ring 8, the inboard activity of spacing ring 8 has cup jointed a slide bar 19, the outside of perpendicular lead screw 12 is provided with from driving wheel 9, the bottom of box 1 communicates with collecting box 2, the inside of collecting box 2 is provided with residue filter plate 24, the inside of mounting panel 5 sets up pressure sensor 26.
The working principle of the technical scheme is as follows:
during the operation, an operator firstly installs the forecasted object through the mounting plate 5, the alkali-resistant seal primer is coated on the outer side of a prefabricated concrete slab or a prefabricated steel structure slab, at the moment, the forecast object can be fixed through the bolt holes 14, when the smooth surface test is met and no hole needs to be formed, the layout is matched with the mounting plate 5, the plate surface of the mounting plate 5 is provided with a rubber sealing layer, the movable position of the mounting plate 5 in the box body 1 is changed by starting the extension of the hydraulic telescopic column 23, then the operating rod of the negative pressure adsorption cylinder 3 is outwards extracted to be similar to a medical needle cylinder under the movement of the hydraulic telescopic column 23, at the moment, air flow and air pressure adsorb the tested smooth plate surface through the adsorption holes 15, the test can be carried out after the installation, different modes can be realized by selecting adding water or proportioned alkaline water in the liquid storage tank 6, and the liquid enters the hose 20 through the water pump 4, enters the high-pressure nozzle 25 through the hose 20, the high-pressure nozzle 25 pressurizes and sprays water flow on the outer side of the alkali-resistant seal primer, at the moment, the pressure sensor 26 can sense a certain force generated by deformation of the rubber sealing layer, so that the pressure borne by the test surface can be measured, the data is more visual, then if the spraying position of the high-pressure nozzle 25 needs to be adjusted, the vertical motor 13 is started to rotate to drive the vertical screw rods 12 to rotate, the vertical screw rods 12 rotate in the same direction under the action of the driven wheel 9 and the crawler, and the vertical hoop 18 on the outer side is driven to move similar to the sleeving and connecting of the screw rods and the screw sleeve, so that the vertical height position is changed, at the moment, when the transverse bar is adjusted, the transverse motor 17 is started to drive the transverse screw rod 22 to rotate, the position of the sliding hoop 10 is moved to further drive the high-pressure nozzle 25 to move, and the limiting ring 8 on the top of the high-pressure nozzle 25 prevents the high-pressure nozzle 25 from rotating, the transverse movement can be realized along the limit of the supporting slide rod 19, and the adjusting effect is good.
In another embodiment, as shown in fig. 3, one end of the negative pressure adsorption cylinder 3 away from the adsorption hole 15 is fixedly installed on the inner wall of the case 1.
Stretch out when the flexible post 23 of hydraulic pressure, change mounting panel 5 at the inside active position of box 1, then the action bars of a negative pressure adsorption cylinder 3 is similar to medical cylinder in the removal of the flexible post 23 of hydraulic pressure, and outside extraction is passed through adsorption hole 15 with the smooth face absorption of test this moment air current and atmospheric pressure, and the face of being convenient for reply difference is installed fixedly.
In another embodiment, as shown in fig. 4, four bolt holes 14 are uniformly distributed in a diamond shape inside the mounting plate 5, and four sets of adsorption holes 15 are respectively located at both sides of the bolt holes 14 and uniformly distributed.
The bolt hole 14 is used for installing foraminiferous test face, and four groups 15 of absorption holes's quantity is eight moreover, evenly distributed, deals with the face and the size of different installations, has increased the convenience of test, makes its test experiment sample collection not confine to specific specification, excellent in use effect.
In another embodiment, as shown in fig. 1 and 3, the input end of the water pump 4 is in communication with the interior of the tank 6 through a pipe, and the output end of the water pump 4 is in communication with the interior of the hose 20.
The water pump 4 pumps out the liquid in the liquid storage tank 6, so as to enter the inside of the high-pressure nozzle 25 through the hose 20, so as to pump the liquid.
In another embodiment, as shown in fig. 1 and 2, the output end and the input end of the hot air blower 7 are respectively communicated with the two sides of the box body 1 through pipes.
When the air heater 7 is started, the air flow in the box body 1 is heated and driven to flow, so that the use environment in summer can be simulated, and the tolerance condition of a paint layer can be tested.
In another embodiment, as shown in fig. 2 and 3, the second shaft base 16 is fixedly installed at the bottom of the inner cavity of the box body 1, the vertical motor 13 is fixedly installed at the bottom of the inner cavity of the box body 1, the two third shaft bases 21, the second shaft base 16 and the vertical motor 13 are uniformly distributed at four ends of the vertical screw rod 12 in a rectangular shape, and the outer side of the driven wheel 9 is sleeved with the transmission track.
The third shaft seat 21, the second shaft seat 16 and the vertical motor 13 provide rotation supporting limiting force for the two vertical screw rods 12, so that the operation of a transmission structure of the vertical screw rod is facilitated, and when the vertical motor 13 drives the vertical screw rods 12 to operate, the two vertical screw rods 12 can simultaneously transmit in the same direction through the driven wheel 9 and a transmission crawler on the outer side of the driven wheel, so that the structure operation is facilitated, and the stable operation is realized.
In another embodiment, as shown in fig. 2 and 3, the first shaft seat 11 and the side of the transverse motor 17 away from the transverse screw 22 are fixedly mounted on the opposite sides of the vertical hoop 18, and the two ends of the supporting rod 19 are fixedly mounted on the top of the first shaft seat 11 and the top of the transverse motor 17, respectively.
When the transverse motor 17 drives the transverse screw rod 22 to rotate, the position of the sliding hoop 10 is moved, and then the high-pressure spray head 25 can be driven to move, and the limiting ring 8 at the top of the high-pressure spray head 25 prevents the high-pressure spray head 25 from rotating, so that the high-pressure spray head can realize transverse movement along the limiting of the branch sliding rod 19.
The working principle and the using process of the utility model are as follows: during the operation, an operator firstly installs the forecasted object through the mounting plate 5, the alkali-resistant seal primer is coated on the outer side of a prefabricated concrete slab or a prefabricated steel structure slab, at the moment, the forecast object can be fixed through the bolt holes 14, when the smooth surface test is met and no hole needs to be formed, the layout is matched with the mounting plate 5, the plate surface of the mounting plate 5 is provided with a rubber sealing layer, the movable position of the mounting plate 5 in the box body 1 is changed by starting the extension of the hydraulic telescopic column 23, then the operating rod of the negative pressure adsorption cylinder 3 is outwards extracted to be similar to a medical needle cylinder under the movement of the hydraulic telescopic column 23, at the moment, air flow and air pressure adsorb the tested smooth plate surface through the adsorption holes 15, the test can be carried out after the installation, different modes can be realized by selecting adding water or proportioned alkaline water in the liquid storage tank 6, and the liquid enters the hose 20 through the water pump 4, enters the high-pressure nozzle 25 through the hose 20, the high-pressure nozzle 25 pressurizes and sprays water flow on the outer side of the alkali-resistant seal primer, at the moment, the pressure sensor 26 can sense a certain force generated by deformation of the rubber sealing layer, so that the pressure borne by the test surface can be measured, the data is more visual, then if the spraying position of the high-pressure nozzle 25 needs to be adjusted, the vertical motor 13 is started to rotate to drive the vertical screw rods 12 to rotate, the vertical screw rods 12 rotate in the same direction under the action of the driven wheel 9 and the crawler, and the vertical hoop 18 on the outer side is driven to move similar to the sleeving and connecting of the screw rods and the screw sleeve, so that the vertical height position is changed, at the moment, when the transverse bar is adjusted, the transverse motor 17 is started to drive the transverse screw rod 22 to rotate, the position of the sliding hoop 10 is moved to further drive the high-pressure nozzle 25 to move, and the limiting ring 8 on the top of the high-pressure nozzle 25 prevents the high-pressure nozzle 25 from rotating, make it can realize lateral shifting along a slide bar 19's spacing, it is effectual to adjust, and after spraying, can start air heater 7, heat the air current of inside and drive and flow, make its service environment that can simulate summer, and can experiment the tolerance condition on lacquer layer, and no matter buck or water, get into inside collecting box 2 after spraying, the operation personnel can collect the detection to the liquid of collecting box 2 inside, also can be according to the contrast of the remaining lacquer layer in residue filter plate 24 top, the realization is to the test of high strength and the test of multi-angle carry out the simulation experiment, the operating efficiency has been increased.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an alkali-resistant seal coat experiment device that coats, includes box (1), its characterized in that: the inner wall of the box body (1) is fixedly provided with four hydraulic telescopic columns (23), the output ends of the four hydraulic telescopic columns (23) are provided with a mounting plate (5), the inside of the mounting plate (5) is provided with four bolt holes (14), the inside of the mounting plate (5) is provided with four groups of adsorption holes (15), the back surfaces of the four groups of adsorption holes (15) are communicated with a negative pressure adsorption cylinder (3), the top of the box body (1) is provided with a liquid storage box (6), the top of the box body (1) is provided with a water pump (4), the top of the box body (1) is provided with a hot air blower (7), the top of the inner cavity of the box body (1) is fixedly provided with two third shaft seats (21), the insides of the two third shaft seats (21) are movably sleeved with vertical screw rods (12), one end of each vertical screw rod (12) is sleeved with a second shaft seat (16), a vertical motor (13) is installed at one end of the vertical screw rod (12), a vertical hoop (18) is movably sleeved on the outer side of the vertical screw rod (12), a transverse motor (17) is fixedly installed at one side of the vertical hoop (18), a transverse screw rod (22) is arranged at the output end of the transverse motor (17), a first shaft seat (11) is movably sleeved at the other end of the transverse screw rod (22), a sliding hoop (10) is movably sleeved on the outer side of the transverse screw rod (22), a high-pressure nozzle (25) is fixedly installed at the top of the sliding hoop (10), an input end of the high-pressure nozzle (25) is communicated with a hose (20), a limit ring (8) is fixedly installed at the top of the high-pressure nozzle (25), a support sliding rod (19) is movably sleeved on the inner side of the limit ring (8), a driven wheel (9) is arranged on the outer side of the vertical screw rod (12), the bottom of the box body (1) is communicated with a collecting box (2), a residue filter plate (24) is arranged in the collecting box (2), and a pressure sensor (26) is arranged in the mounting plate (5).
2. The alkali-resistant seal primer coating experimental device according to claim 1, wherein: one end of the negative pressure adsorption cylinder (3) far away from the adsorption hole (15) is fixedly arranged on the inner wall of the box body (1).
3. The alkali-resistant seal primer coating experimental device according to claim 1, wherein: the four bolt holes (14) are uniformly distributed in the mounting plate (5) in a rhombic shape, and the four groups of adsorption holes (15) are respectively positioned on two sides of the bolt holes (14) and are uniformly distributed.
4. The alkali-resistant seal primer coating experimental device according to claim 1, wherein: the input end of the water pump (4) is communicated with the inside of the liquid storage tank (6) through a pipeline, and the output end of the water pump (4) is communicated with the inside of the hose (20).
5. The alkali-resistant seal primer coating experimental device according to claim 1, wherein: the output end and the input end of the air heater (7) are respectively communicated with the two sides of the box body (1) through pipelines.
6. The alkali-resistant seal primer coating experimental device according to claim 1, wherein: the second shaft seats (16) are fixedly arranged at the bottom of the inner cavity of the box body (1), the vertical motor (13) is fixedly arranged at the bottom of the inner cavity of the box body (1), the third shaft seats (21), the second shaft seats (16) and the vertical motor (13) are uniformly distributed at four ends of the vertical screw rod (12) in a rectangular mode, and a transmission crawler belt is sleeved on the outer side of the driven wheel (9).
7. The alkali-resistant seal primer coating experimental device according to claim 1, wherein: one sides of the first shaft seat (11) and the transverse motor (17) far away from the transverse screw rod (22) are fixedly arranged on the opposite sides of the vertical hoop (18), and two ends of the support sliding rod (19) are respectively and fixedly arranged on the tops of the first shaft seat (11) and the transverse motor (17).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123015386.8U CN216350243U (en) | 2021-12-03 | 2021-12-03 | Alkali-resistant seal primer coating experimental device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123015386.8U CN216350243U (en) | 2021-12-03 | 2021-12-03 | Alkali-resistant seal primer coating experimental device |
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| CN216350243U true CN216350243U (en) | 2022-04-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116499948A (en) * | 2023-06-29 | 2023-07-28 | 常鑫防水科技股份有限公司 | Waterproof coating modularized waterproof detection platform and detection method thereof |
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2021
- 2021-12-03 CN CN202123015386.8U patent/CN216350243U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116499948A (en) * | 2023-06-29 | 2023-07-28 | 常鑫防水科技股份有限公司 | Waterproof coating modularized waterproof detection platform and detection method thereof |
| CN116499948B (en) * | 2023-06-29 | 2023-08-29 | 常鑫防水科技股份有限公司 | Waterproof coating modularized waterproof detection platform and detection method thereof |
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