A sealed negative pressure detection device for detecting waterproof effect of a building

Abstract

The utility model discloses a kind of sealing negative pressure detection equipment for detecting building waterproof effect, it is related to building waterproof detection technical field.The utility model includes detection frame, two columns are fixedly connected with symmetry on detection frame, further include measure before cleaning component, measure before cleaning component includes moving platform, sliding fit between moving platform and column, rotatingly connected with detection bucket in moving platform, detection bucket bottom surface is fixedly connected with pad, evenly fixedly connected with several risers in detection bucket, two hinge rods are symmetrically hinged on riser, first connecting plate, second connecting plate are respectively hinged in adjacent two hinge rod ends, the utility model is when using, by motor drive detection bucket rotation, detection bucket rotates to drive first connecting plate and second connecting plate rotation on building material surface, to complete measure before cleaning, after detection bucket is pressed against building material, first connecting plate and second connecting plate can remove, to improve the accuracy of detection result.

Description

Technical Field

[0001] This utility model relates to the field of building waterproofing testing technology, and in particular to a sealing negative pressure testing device for testing the waterproofing effect of buildings. Background Technology

[0002] Building waterproofing sealing negative pressure testing equipment evaluates a building's waterproofing effectiveness by creating a controlled negative pressure state that simulates a severe storm. Its core principle is: a vacuum chamber with a transparent sealing gasket is placed tightly against the area to be tested, and a vacuum pump is used to extract air from the chamber, creating a stable negative pressure inside. If the tested area has good waterproofing performance, the negative pressure inside the chamber will remain stable; conversely, if there is a leak, outside air will rush in, causing the negative pressure to drop.

[0003] When using existing equipment for testing, a gasket is usually placed at the bottom of the vacuum chamber. When in use, the vacuum chamber is pressed tightly against the building material, and the air inside the vacuum chamber is extracted by a vacuum pump. The internal pressure is then measured by a pressure gauge on the vacuum chamber, thus completing the negative pressure test of the sealing of the building material.

[0004] However, in actual use, dust and impurities may exist on the surface of building materials. When the vacuum chamber is placed close to the building materials, gaps of varying sizes are inevitably present between the gasket and the building materials, which in turn affects the accuracy of the test results. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies where gaps exist between building materials and the testing container, affecting the accuracy of testing results. The invention proposes a sealed negative pressure testing device for detecting the waterproofing effect of buildings.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] Design a sealing negative pressure testing device for detecting the waterproofing effect of buildings, including a testing frame with two columns symmetrically fixedly connected on it, and a pre-test cleaning component. The pre-test cleaning component includes a movable platform that slides between the movable platform and the columns. A testing bucket is rotatably connected inside the movable platform, and a pad is fixedly connected to the bottom of the testing bucket. Several upright plates are uniformly fixedly connected inside the testing bucket, and two hinge rods are symmetrically hinged to each upright plate. A first connecting plate and a second connecting plate are respectively hinged to the ends of two adjacent hinge rods. A driving component is fixedly connected to the movable platform.

[0008] Preferably, the first connecting plate and the corresponding second connecting plate are interlocked.

[0009] Preferably, an arc-shaped rod is fixedly connected to the side of the upright plate, and the hinge rod and the arc-shaped rod are in sliding engagement.

[0010] Preferably, an arc-shaped spring is fixedly connected between the upright plate and the arc-shaped rod.

[0011] Preferably, a turntable is fixedly connected inside the moving platform, and a rotating bar is fixedly connected to the periphery of the detection barrel, with the rotating bar rotatably connected to the turntable.

[0012] Preferably, the driving component includes a U-shaped plate, which is fixedly connected to the moving stage. A motor is fixedly connected to the surface of the U-shaped plate, and a rotating shaft is rotatably connected to the U-shaped plate. The rotating shaft is fixedly connected to the detection barrel, and the output end of the motor is fixedly connected to the rotating shaft.

[0013] Preferably, an electric telescopic rod is fixedly connected between the mobile stage and the testing frame.

[0014] Preferably, the detection barrel is located at the center of the U-shaped plate.

[0015] The present invention proposes a sealing negative pressure testing device for testing the waterproofing effect of buildings. The beneficial effects are as follows: before use, the first connecting plate and the second connecting plate can be rotated by a motor to clean the area under the pad before testing. After the pad comes into contact with the building materials, the first connecting plate and the second connecting plate move out of the connection area, thereby improving the accuracy of the test results. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of a sealing negative pressure testing device used to test the waterproofing effect of buildings.

[0017] Figure 2 This is an assembly drawing of the rotating shaft and the detection barrel of this utility model.

[0018] Figure 3 This is a schematic cross-sectional view of the detection barrel of this utility model.

[0019] Figure 4 for Figure 3 Enlarged view of part A in the image.

[0020] The attached diagram lists the components represented by each number as follows:

[0021] 1. Testing frame; 2. Column; 3. Moving table; 4. U-shaped plate; 5. Motor; 6. Rotating shaft; 7. Testing barrel; 8. Upright plate; 9. Hinge rod; 10. First connecting plate; 11. Second connecting plate; 12. Arc rod; 13. Arc spring; 14. Pad; 15. Pressure gauge; 16. Vacuum pump; 17. Rotating bar; 18. Turntable; 19. Electric telescopic rod. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] Example 1

[0024] Reference Figure 1-4 This utility model is a sealing negative pressure testing device for testing the waterproofing effect of buildings. It includes a testing frame 1, two columns 2 are symmetrically fixedly connected to the testing frame 1, and a pre-test cleaning component. The pre-test cleaning component includes a moving platform 3, which is slidably connected to the columns 2. A testing bucket 7 is rotatably connected inside the moving platform 3. A pad 14 is fixedly connected to the bottom surface of the testing bucket 7. Several upright plates 8 are evenly fixedly connected inside the testing bucket 7. Two hinge rods 9 are symmetrically hinged to the upright plates 8. The ends of two adjacent hinge rods 9 are respectively hinged to a first connecting plate 10 and a second connecting plate 11. A driving component is fixedly connected to the moving platform 3.

[0025] The drive assembly includes a U-shaped plate 4, which is fixedly connected to the moving stage 3. A motor 5 is fixedly connected to the surface of the U-shaped plate 4, and a rotating shaft 6 is rotatably connected to the U-shaped plate 4. The rotating shaft 6 is fixedly connected to the detection barrel 7, and the output end of the motor 5 is fixedly connected to the rotating shaft 6. An electric telescopic rod 19 is fixedly connected between the moving stage 3 and the detection frame 1. The detection barrel 7 is located at the center of the U-shaped plate 4.

[0026] The operation process of this embodiment is as follows: A pressure gauge 15 and a vacuum pump 16 are installed on the side of the testing tank 7. During use, building materials are placed on the testing frame 1, and cleaning liquid is sprayed onto their surface. After adjusting the position of the moving platform 3, both the first connecting plate 10 and the second connecting plate 11 are in contact with the surface of the building materials. Cleaning cotton is placed at the bottom of both the first connecting plate 10 and the second connecting plate 11. At this time, the motor 5 drives the rotating shaft 6 to rotate. The rotation of the rotating shaft 6 drives the testing tank 7 to rotate, thereby driving each of the first connecting plates 10 and the second connecting plate 11 to rotate along the axis of the rotating shaft 6 on the surface of the building materials. After removing dust and impurities from its surface, the pre-test cleaning operation is completed. Then, the moving stage 3 is moved again. As the test barrel 7 descends, each hinge rod 9 moves, and the first connecting plate 10 and the second connecting plate 11 separate until the pad 14 on the bottom of the test barrel 7 touches the building material. The vacuum pump 16 extracts the air between the test barrel 7 and the building material, and the pressure gauge 15 detects the air pressure. Because the surface of the building material is cleaned before the pad 14 is in contact with the building material, gaps between the pad 14 and the building material are avoided, thus improving the accuracy of the test.

[0027] Example 2

[0028] In the initial state, the first connecting plate 10 and the second connecting plate 11 are interlocked. During cleaning, they must remain connected to ensure complete cleaning of the bottom of the pad 14. However, during rotation, both the first connecting plate 10 and the second connecting plate 11 may detach. Therefore, please refer to [the relevant documentation / reference needed]. Figure 3-4 Based on the first specific embodiment, the first connecting plate 10 and the corresponding second connecting plate 11 are inserted into each other, an arc-shaped rod 12 is fixedly connected to the side of the upright plate 8, the hinge rod 9 is slidably connected to the arc-shaped rod 12, an arc-shaped spring 13 is fixedly connected between the upright plate 8 and the arc-shaped rod 12, a turntable 18 is fixedly connected inside the moving platform 3, and a rotating bar 17 is fixedly connected to the side of the detection barrel 7, and the rotating bar 17 is rotatably connected to the turntable 18.

[0029] The operation process of this embodiment is as follows: the arc spring 13 always pushes the hinge rod 9 to move toward the position of the detection barrel 7, thereby always applying a certain force to the first connecting plate 10 and the second connecting plate 11, so as to keep them connected during rotation. When the detection barrel 7 is pressed down and the pad 14 moves toward the building material, the first connecting plate 10 and the second connecting plate 11 slide along the building material, thereby releasing their limit and stretching the arc spring 13. When the pad 14 is completely in close contact with the building material, the first connecting plate 10 and the second connecting plate 11 are removed from the bottom of the pad 14. Through the arc spring 13, the first connecting plate 10 and the second connecting plate 11 can be kept connected during the cleaning process, avoiding the situation where the bottom of the pad 14 is not cleaned properly, and further improving the practicality of the device.

[0030] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A sealing negative pressure testing device for detecting the waterproofing effect of buildings, comprising a testing frame (1), wherein two columns (2) are symmetrically fixedly connected on the testing frame (1), characterized in that: It also includes a pre-test cleaning component, which includes a moving platform (3), which is slidably connected to the column (2). A test barrel (7) is rotatably connected inside the moving platform (3). A pad (14) is fixedly connected to the bottom surface of the test barrel (7). Several upright plates (8) are evenly fixedly connected inside the test barrel (7). Two hinge rods (9) are symmetrically hinged on the upright plate (8). The ends of two adjacent hinge rods (9) are respectively hinged to a first connecting plate (10) and a second connecting plate (11). A drive component is fixedly connected to the moving platform (3).

2. The sealing negative pressure testing device for detecting the waterproofing effect of buildings according to claim 1, characterized in that, The first connecting plate (10) and the corresponding second connecting plate (11) are inserted into each other.

3. A sealing negative pressure testing device for detecting the waterproofing effect of buildings according to claim 2, characterized in that, An arc-shaped rod (12) is fixedly connected to the side of the upright plate (8), and the hinge rod (9) slides with the arc-shaped rod (12).

4. A sealing negative pressure testing device for detecting the waterproofing effect of buildings according to claim 3, characterized in that, An arc spring (13) is fixedly connected between the upright plate (8) and the arc rod (12).

5. A sealing negative pressure testing device for detecting the waterproofing effect of buildings according to claim 1, characterized in that, A turntable (18) is fixedly connected inside the moving platform (3), and a rotating bar (17) is fixedly connected to the side of the detection barrel (7). The rotating bar (17) and the turntable (18) are rotatably connected.

6. A sealing negative pressure testing device for detecting the waterproofing effect of buildings according to claim 1, characterized in that, The drive assembly includes a U-shaped plate (4), which is fixedly connected to the moving stage (3). A motor (5) is fixedly connected to the surface of the U-shaped plate (4), and a rotating shaft (6) is rotatably connected to the U-shaped plate (4). The rotating shaft (6) is fixedly connected to the detection barrel (7), and the output end of the motor (5) is fixedly connected to the rotating shaft (6).

7. A sealing negative pressure testing device for detecting the waterproofing effect of buildings according to claim 1, characterized in that, An electric telescopic rod (19) is fixedly connected between the mobile stage (3) and the testing frame (1).

8. A sealing negative pressure testing device for detecting the waterproofing effect of buildings according to claim 6, characterized in that, The testing barrel (7) is located at the center of the U-shaped plate (4).

Images