Device for detecting performance of waterproof coating

Abstract

The utility model discloses a waterproof paint performance detection device which comprises a detection water tank, a placing plate used for placing non-woven fabrics is arranged in the upper end of the detection water tank, a water flow port is formed in the placing plate, a lifting positioning cover is arranged at the upper end of the detection water tank, and a water outlet is formed in the lifting positioning cover. The bottom of the lifting positioning cover can abut against the upper edge of the containing plate to fix the non-woven fabric, a moisture absorption and color changing pressing assembly is movably inserted into the lower end of the lifting positioning cover, and the bottom of the moisture absorption and color changing pressing assembly can abut against the non-woven fabric. The non-woven fabric material can be placed on the placing plate in the detection water tank, and then the lifting positioning cover is controlled to descend to the height of the placing plate, so that the lower end of the lifting positioning cover can abut against the peripheral edge of the non-woven fabric, and water is prevented from seeping from the edge position of the non-woven fabric during water injection detection; the moisture-absorbing color-changing pressing assembly can press and abut against the non-woven fabric downwards, and the situation that the non-woven fabric deforms upwards due to water pressure generated by water injection in the detection water tank is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of waterproof coating detection, in particular to a device for detecting performance of waterproof coating. Background Art

[0002] After curing, waterproof coating can form a waterproof film, which has certain elongation, elastic-plasticity, crack resistance, impermeability and weather resistance, and has protective effects such as waterproofing and anti-seepage, so it is widely used in building waterproofing projects. In order to determine the waterproof performance of waterproof coating, it is usually necessary to conduct waterproof performance testing, that is, after the waterproof material is brushed on the non-woven fabric and cured, it is placed in the detection device to check its waterproof and water seepage conditions. The prior art with patent number CN219842312U discloses a waterproof coating waterproofness detection device, which fixes the two ends of the non-woven fabric on the fixing groove, and sets conductive rods on both sides of the lower end of the detection box. If the waterproof performance does not meet the standard and leakage occurs, the two conductive rods will be connected, so that the indicator light will light up, and the waterproof situation can be intuitively distinguished. However, the existing detection device has a poor fixing effect on the non-woven fabric, and the non-woven fabric is also prone to deformation under the pressure of water, which can easily cause water to leak from the edge, thereby affecting the accuracy of the test results. Summary of the invention

[0003] The utility model aims to solve at least one of the above-mentioned technical problems and provides a device for detecting the performance of a waterproof coating, which can stably fix the non-woven fabric to be detected and can visually confirm the waterproof condition.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A device for detecting the performance of a waterproof coating comprises a detection water tank, wherein a placement plate for placing a non-woven fabric is provided at the upper end of the detection water tank, a water flow outlet is provided on the placement plate, a lifting and positioning cover is provided on the upper end of the detection water tank, the bottom of the lifting and positioning cover can be abutted against the upper edge of the placement plate to fix the non-woven fabric, a hygroscopic and color-changing pressing component is movably inserted on the lower end of the lifting and positioning cover, and the bottom of the hygroscopic and color-changing pressing component can be abutted against the non-woven fabric.

[0006] As an improvement of the above technical solution, the lifting positioning cover includes a cover plate, which is lifted and installed on the upper end of the detection water tank. A positioning pressure cylinder is provided on the bottom of the cover plate. The bottom of the positioning pressure cylinder can be abutted against the upper edge of the placement plate, and an observation port connected to the positioning pressure cylinder is opened on the cover plate.

[0007] As an improvement of the above technical solution, the placement plate is provided with an annular groove at the position of the outer periphery of the water flow outlet, and the lower end of the positioning pressure cylinder is provided with an annular step that can cooperate with the annular groove.

[0008] As an improvement of the above technical solution, it also includes a lifting component, which includes a plurality of groups of guide columns arranged on the upper end of the detection water tank, the cover plate is movably inserted on the plurality of groups of guide columns, a mounting plate is provided on the upper end of the plurality of groups of guide columns, a lifting cylinder is provided on the mounting plate, and the driving end of the lifting cylinder is connected to the top of the cover plate.

[0009] As an improvement of the above technical solution, the hygroscopic color-changing pressing assembly includes an elastic pressure rod, a connecting rod is provided in the observation port, the elastic pressure rod is movably inserted on the connecting rod, and a color-developing mesh box is detachably mounted on the lower end of the elastic pressure rod.

[0010] As an improvement of the above technical solution, the elastic pressure rod includes an insertion rod and a return spring. The insertion rod is movably inserted on the connecting rod. A first limit plate is provided on the lower end of the insertion rod. The return spring is sleeved on the insertion rod and its two ends are respectively abutted against the connecting rod and the first limit plate.

[0011] As an improvement of the above technical solution, the color developing mesh box is provided with a threaded screw-on opening, and the lower end of the insertion rod is provided with a thread that can cooperate with the threaded screw-on opening.

[0012] As an improvement of the above technical solution, a hygroscopic color-changing material is provided inside the color-developing mesh box.

[0013] As an improvement of the above technical solution, a second limiting plate is provided on the upper end of the insertion rod.

[0014] As an improvement of the above technical solution, the detection water tank is provided with a water inlet pipe and a water outlet pipe.

[0015] Compared with the prior art, the beneficial effects of this application are:

[0016] The utility model provides a device for detecting the performance of a waterproof coating. The device can place a non-woven fabric material that has been coated with a waterproof material and dried on a placement plate in a detection water tank, and then control the lifting and positioning cover to descend to the height of the placement plate so that its lower end can press against the outer peripheral edge of the non-woven fabric to prevent water from seeping out from the edge of the non-woven fabric during water injection detection. In addition, a hygroscopic color-changing pressing component can press downward against the non-woven fabric to prevent the water pressure generated by water injection in the detection water tank from causing the non-woven fabric to deform upward at the water flow outlet, and when the non-woven fabric leaks, the hygroscopic color-changing material in the hygroscopic color-changing pressing component will change color, so that the operator can intuitively confirm the waterproof detection situation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings, wherein:

[0018] Figure 1 The structure of the embodiment of the utility model is shown in FIG. Figure 1;

[0019] Figure 2 The structure of the embodiment of the utility model is shown in FIG. Figure 2 ;

[0020] Figure 3 A cross-sectional view of an embodiment of the utility model;

[0021] Figure 4 for Figure 3 A magnified view of part A;

[0022] Figure 5 The explosion of the lifting and positioning cover and the moisture absorption and color change pressing component in the embodiment of the utility model Figure 1 ;

[0023] Figure 6 The explosion of the lifting and positioning cover and the moisture absorption and color change pressing component in the embodiment of the utility model Figure 2 . DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may be a central component. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may be a central component at the same time. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a central component at the same time. When a component is referred to as being "set in the middle", it does not only mean being set in the middle, as long as it is not set at both ends within the range defined by the middle. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0027] like Figures 1 to 6As shown, the utility model provides a device for testing the performance of waterproof coatings, including a testing water tank 10, wherein a placement plate 11 for placing non-woven fabrics is provided at the upper end of the testing water tank 10, a water flow port 12 is provided on the placement plate 11, a lifting and positioning cover 20 is provided at the upper end of the testing water tank 10, the bottom of the lifting and positioning cover 20 can be abutted against the upper edge of the placement plate 11 to fix the non-woven fabrics, and a hygroscopic and discoloring pressing component 30 is movably inserted at the lower end of the lifting and positioning cover 20, and the bottom of the hygroscopic and discoloring pressing component 30 can be abutted against the non-woven fabrics. Among them, the testing water tank 10 is provided with a water inlet pipe 14 and a water outlet pipe 15, and both the water inlet pipe 14 and the water outlet pipe 15 are provided with control valves; a pressure controller can also be provided on the testing water tank 10 to pressurize the water tank to speed up the detection speed, and at the same time, it can be determined whether there is water seepage according to the pressure value. The non-woven fabric used for the test can be cut according to the shape and size of the placement plate 11 for easy placement and fixation; during the test, fill the test water tank 10 with water and observe whether there is water seeping out from the water outlet 12 on the non-woven fabric.

[0028] See also Figure 3 and Figure 4 In a specific embodiment of the present application, the lifting and positioning cover 20 includes a cover plate 21, which is lifted and installed on the upper end of the detection water tank 10, and a positioning pressure cylinder 22 is provided on the bottom of the cover plate 21. The bottom of the positioning pressure cylinder 22 can be against the upper edge of the placement plate 11, and an observation port 23 connected to the positioning pressure cylinder 22 is provided on the cover plate 21. The observation port 23 can facilitate the operator to check the discoloration of the hygroscopic color-changing pressing assembly 30. Among them, the outer wall of the positioning pressure cylinder 22 can be against the inner wall of the detection water tank 10 to prevent water from leaking from the edge of the positioning pressure cylinder 22; and the outer edge of the cover plate 21 can cover the opening of the detection water tank 10 to ensure the sealing of the device. Further, the placement plate 11 is provided with an annular groove 13 at the position of the outer periphery of the water flow port 12, and the lower end of the positioning pressure cylinder 22 is provided with an annular step 24 that can cooperate with the annular groove 13. The cooperation between the annular step 24 and the annular groove 13 further enhances the sealing performance, and the effect of pressing and fixing the non-woven fabric to be tested is more stable; the non-woven fabric can be fixed between the placement plate 11 and the positioning pressing cylinder 22 .

[0029] In a specific embodiment of the present application, in order to facilitate the control of the lifting and lowering of the lifting and positioning cover 20, a lifting assembly 40 is also included, the lifting assembly 40 includes multiple groups of guide columns 41 arranged on the upper end of the detection water tank 10, the cover plate 21 is movably inserted on the multiple groups of guide columns 41, and the upper ends of the multiple groups of guide columns 41 are provided with mounting plates 42, and the mounting plates 42 are provided with lifting cylinders 43, and the driving end of the lifting cylinders 43 is connected to the top of the cover plate 21. The cover plate 21 can be lifted and lowered along the guide columns 41. During operation, the cover plate 21 is first lifted to facilitate the operator to place the non-woven fabric on the placement plate 11, and then the cover plate 21 is lowered to make the positioning pressing cylinder 22 close to the edge of the non-woven fabric.

[0030] See also Figure 5 and Figure 6 In a specific embodiment of the present application, since the non-woven fabric is easily squeezed and deformed upward by water after flushing in the detection water tank 10, which easily leads to water seepage at the edge, a hygroscopic color-changing pressing component 30 is used to elastically press the non-woven fabric downward. The hygroscopic color-changing pressing component 30 includes an elastic pressure rod 31, a connecting rod 25 is provided in the observation port 23, the elastic pressure rod 31 is movably inserted on the connecting rod 25, and a color-developing mesh box 32 is detachably installed on the lower end of the elastic pressure rod 31. The bottom of the color-developing mesh box 32 can support the non-woven fabric to be detected to prevent it from deformation; at the same time, it can also absorb moisture and develop color when water seeps, so as to directly understand the water seepage situation from the color change situation. Specifically, the elastic pressure rod 31 includes an insertion rod 33 and a return spring 34. The insertion rod 33 is movably inserted into the connecting rod 25. A first limit plate 35 is provided on the lower end of the insertion rod 33. The return spring 34 is sleeved on the insertion rod 33 and its two ends are respectively in contact with the connecting rod 25 and the first limit plate 35. The color development mesh box 32 can be elastically pressed on the non-woven fabric under the action of the insertion rod 33 and the return spring 34 to avoid excessive downward pressure on the non-woven fabric. In order to prevent the insertion rod 33 from falling off downward, a second limit plate 38 is provided on the upper end of the insertion rod 33.

[0031] In addition, the color mesh box 32 is provided with a hygroscopic color-changing material inside, which is a prior art and will not be described in detail in this application; the color mesh box 32 is provided with a plurality of mesh holes, and water can enter the color mesh box 32. Further, in order to facilitate the replacement of the hygroscopic color-changing material in the color mesh box 32, the color mesh box 32 is provided with a threaded screw-on opening 36, and the lower end of the insertion rod 33 is provided with a thread 37 that can cooperate with the threaded screw-on opening 36.

[0032] The utility model is a device for detecting the performance of a waterproof coating. The non-woven fabric material that has been coated with a waterproof material and dried can be placed on a placement plate 11 in a detection water tank 10, and then the lifting and positioning cover 20 is controlled to descend to the height of the placement plate 11, so that its lower end can be pressed against the outer peripheral edge of the non-woven fabric to prevent water from seeping out from the edge of the non-woven fabric during water injection detection; in addition, the hygroscopic color-changing pressing component 30 can press downward against the non-woven fabric to prevent the water pressure generated by the water injection in the detection water tank from causing the non-woven fabric to deform upward at the water flow outlet 12, and when the non-woven fabric leaks, the hygroscopic color-changing material in the hygroscopic color-changing pressing component 30 will change color, so that the operator can intuitively confirm the waterproof detection situation.

[0033] The above embodiments are only used to illustrate the technical solution of the utility model but not to limit it. Any modification or equivalent substitution that does not deviate from the spirit and scope of the utility model shall be included in the scope of the technical solution of the utility model.

Claims

1. A device for detecting the performance of a waterproof coating, characterized in that: It comprises a detection water tank, wherein a placement plate for placing non-woven fabric is provided at the upper end of the detection water tank, a water flow outlet is opened on the placement plate, a lifting and positioning cover is provided on the upper end of the detection water tank, the bottom of the lifting and positioning cover can be abutted against the upper edge position of the placement plate to fix the non-woven fabric, and a hygroscopic and color-changing pressing component is movably inserted on the lower end of the lifting and positioning cover, and the bottom of the hygroscopic and color-changing pressing component can be abutted against the non-woven fabric.

2. A device for detecting the performance of a waterproof coating according to claim 1, characterized in that: The lifting and positioning cover includes a cover plate, which is lifted and installed on the upper end of the detection water tank. A positioning pressure cylinder is provided on the bottom of the cover plate. The bottom of the positioning pressure cylinder can be abutted against the upper edge of the placement plate. An observation port connected to the positioning pressure cylinder is opened on the cover plate.

3. A device for detecting the performance of a waterproof coating according to claim 2, characterized in that: The placement plate is provided with an annular groove at a position located on the outer periphery of the water flow outlet, and the lower end of the positioning pressure cylinder is provided with an annular step that can cooperate with the annular groove.

4. A device for detecting the performance of a waterproof coating according to claim 2, characterized in that: It also includes a lifting component, which includes a plurality of groups of guide columns arranged on the upper end of the detection water tank, the cover plate is movably inserted on the plurality of groups of guide columns, a mounting plate is provided on the upper end of the plurality of groups of guide columns, a lifting cylinder is provided on the mounting plate, and the driving end of the lifting cylinder is connected to the top of the cover plate.

5. A device for detecting the performance of a waterproof coating according to claim 2, characterized in that: The hygroscopic color-changing pressing assembly comprises an elastic pressure rod, a connecting rod is arranged in the observation port, the elastic pressure rod is movably inserted on the connecting rod, and a color-developing mesh box is detachably mounted on the lower end of the elastic pressure rod.

6. A device for detecting the performance of a waterproof coating according to claim 5, characterized in that: The elastic pressure rod includes an insertion rod and a return spring. The insertion rod is movably inserted on the connecting rod. A first limit plate is provided on the lower end of the insertion rod. The return spring is sleeved on the insertion rod and its two ends are respectively in contact with the connecting rod and the first limit plate.

7. A device for detecting the performance of a waterproof coating according to claim 6, characterized in that: The color developing mesh box is provided with a threaded screw-on opening, and the lower end of the insert rod is provided with a thread that can cooperate with the threaded screw-on opening.

8. A device for detecting the performance of a waterproof coating according to claim 5, characterized in that: The interior of the color developing mesh box is provided with a hygroscopic color changing material.

9. A device for detecting the performance of a waterproof coating according to claim 6, characterized in that: A second limiting plate is arranged on the upper end of the inserting rod.

10. A waterproof coating performance detection device according to claim 1, characterized in that: The detection water tank is provided with a water inlet pipe and a water outlet pipe.

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