Building material waterproof detection and comparison device

Abstract

The invention relates to the technical field of detection devices, in particular to a building material waterproof detection and comparison device which comprises a case, a cover plate and a first mounting seat are arranged at the top of the case, two linear clamping grooves are symmetrically formed in each of the left side and the right side of the top of the cover plate, and two sliding grooves are symmetrically formed in the positions, between the two linear clamping grooves in the same side, of the cover plate. First mounting seats are bilaterally symmetrically arranged at the top of the cover plate; nuts are arranged in the middles of the first lead screw and the first mounting base in an embedded mode. According to the device, a closed box body for testing the performance of the waterproof material can be conveniently constructed through ingenious mechanical design and operation procedures. And by means of the baffle, the ceramic tiles, the extrusion blocks, the lead screws and other components, rapid building and fixing of the box body are achieved, and the waterproof materials can be evenly brushed on the inner side of the box body. And the baffle and the ceramic tile can be firmly bonded into a whole by standing until the waterproof material is completely dried, so that a stable and reliable test environment is provided for subsequent detection steps.

Description

Technical Field

[0001] The invention relates to the technical field of detection devices, and in particular to a building material waterproof detection and comparison device. Background Art

[0002] Building materials play a vital role in construction projects. There are many types of building materials, including thermal insulation materials, waterproof materials, heat-insulating materials, high-strength materials, and materials with breathing functions, etc. Waterproof materials play a vital role in the building envelope structure. They need to effectively prevent the penetration of rainwater, snow water and groundwater, and resist the erosion of moisture, steam and other harmful liquids in the air. When producing waterproof materials, it is necessary to conduct quality inspection on the finished waterproof materials to ensure that the produced waterproof materials have good waterproof performance. Therefore, at present, when testing waterproof materials, building materials are generally used to build a container, and then the waterproof material is applied to the inside. After drying, water is poured in to see if there is any side leakage. The inspection of various waterproof materials is carried out. The manual construction effect is not good, which leads to uneven application of waterproof materials and inconsistent inspection results. Therefore, a building material waterproof inspection and comparison device that is easy to build containers is designed to better complete the waterproof material inspection and comparison experiment. Summary of the invention

[0003] In order to overcome the current detection of waterproof materials, generally a container is built with building materials, and then the waterproof material is applied to the inside. After drying, water is poured in to see if there is any leakage. The manual construction effect is not good, which leads to uneven application of waterproof materials and inconsistent detection results. The technical problem to be solved is to provide a building material waterproof detection and comparison device that is easy to build a container.

[0004] The technical scheme is as follows: A building material waterproof detection and comparison device also includes a chassis and a cover plate, wherein the chassis is provided with a cover plate on the top; a first mounting seat, wherein two straight-line card slots are symmetrically opened on the left and right sides of the top of the cover plate, and two slide slots are symmetrically opened on the cover plate position between the two straight-line card slots on the same side, and a first mounting seat is symmetrically arranged on the top of the cover plate; a first screw rod, wherein a nut is embedded in the middle of the first mounting seat, and the first screw rod is screwed on the nut; an extrusion block, wherein the extrusion blocks are rotatably arranged on the opposite ends of the two first screw rods, and the bottom of the extrusion block is slidably matched with the adjacent slide slot through a sliding block; an adjustment component, wherein an adjustment component capable of synchronously adjusting the two extrusion blocks in the middle is arranged in the middle of the cover plate; a lifting component, wherein a lifting component capable of driving a box body coated with building waterproof material to move upward is arranged in the chassis; a test component, wherein a test component capable of detecting whether the bottom of the box body of the building waterproof material is leaking is arranged on the top of the cover plate.

[0005] Preferably, the adjustment assembly includes a second mounting seat, a sliding groove is symmetrically opened on the middle side of the top of the cover plate, and a second mounting seat is symmetrically arranged on the middle side of the top of the cover plate; a horizontal plate is symmetrically arranged between the two second mounting seats; a second screw rod, a second screw rod is rotatably arranged in the middle of the second mounting seat, the two second screw rods have opposite textures, and a coupling is arranged between the two second screw rods; a second nut, two extrusion blocks are slidably installed on the sliding groove in the middle, and a second nut is embedded in the middle of the two extrusion blocks; a rotating shaft, a rotating shaft is rotatably arranged in the middle of the front horizontal plate; a handwheel, a handwheel is arranged on the front side of the rotating shaft; a gear, gears are arranged on the rotating shaft and the coupling, and the two gears are meshed; a rocker, a rocker is arranged at the biased position in front of the handwheel.

[0006] Preferably, the test assembly includes a third mounting seat, which is symmetrically arranged on the left and right sides of the top of the cover plate; a slide rail, which is arranged on the top of the third mounting seat; a slider, which is slidably arranged in the slide rail; a moving rod, which is arranged on the top of the slider; a connecting rod, which is symmetrically arranged on one side of the moving rod close to the lifting assembly; a push rod, which is arranged on the top of the moving rod; a first detector, which is clamped between the two connecting rods; and a second detector, which is rotatably arranged at the front end of the connecting rod on the rear side.

[0007] Preferably, the first detector includes a horizontal frame, which has square grooves symmetrically opened on the left and right sides; a bending card plate, which is symmetrically arranged at the bottom of the horizontal frame, and the horizontal frame is clamped on the connecting rod through the bending card plate; a pull shaft, which is vertically slidably arranged on the horizontal frame; an elastic member, which is sleeved on the pull shaft, one end of the elastic member is connected to the lower part of the pull shaft, and the other end of the elastic member is connected to the horizontal frame; a pressure plate, which is arranged on the top of the pull shaft, and the pressure plate is located on the square groove.

[0008] Preferably, the second detector includes a U-shaped frame, a U-shaped frame is arranged at the front end of the connecting rod on the rear side; a card frame, a card frame is symmetrically arranged on the top of the U-shaped frame; an elastic card block, an elastic card block is symmetrically installed on the inner side of the card frame; and an installing roller, the installing roller is clamped between the two card frames, and a S-shaped groove is opened in the installing roller.

[0009] Preferably, the lifting assembly includes a mounting plate, which is symmetrically arranged on the left and right sides of the inner side of the chassis; a guide sleeve, which is symmetrically arranged on the top of the mounting plate; a lifting rod, which is slidingly arranged in the guide sleeve; a suction cup, which is fixedly arranged on the top of the two lifting rods, and the suction cup passes through the round hole on the cover plate; an air pump, which is arranged at the bottom of the suction cup; a cylinder, which is arranged in the middle of the installation, and the telescopic rod of the cylinder is connected to the cross frame installed between the lifting rods.

[0010] Preferably, it also includes a first isolation plate, which is arranged at the rear inner side of the chassis, and the first isolation plate and the chassis form a rectangular space for storing water; a water injection assembly, which is arranged at the rear top side of the cover plate for facilitating water injection experiments into the box body of the building waterproof material, and the water injection assembly includes: a water pump, which is arranged at the rear top side of the cover plate; a pipe, which is connected to the water outlet on the top of the water pump; a hose, which is connected on the pipe and can be stretched to obtain a hose; a straw, which is connected to the water inlet of the water pump, and the straw is located in the rectangular water storage space formed by the first isolation plate and the chassis.

[0011] Preferably, it also includes a second isolation plate, which is symmetrically arranged on the front and back of the left side of the chassis, and the right side of the second isolation plate is connected to the first isolation plate, and the second isolation plate and the chassis form two storage spaces; a box cover, the front side wall and the left part of the rear side wall of the chassis are both provided with box covers.

[0012] Compared with the prior art, the present invention has the following advantages: 1. The device can conveniently construct a closed box for testing the performance of waterproof materials through ingenious mechanical design and operation process. The box is quickly built and fixed by using baffles, tiles, extrusion blocks, screws and other components, so that the waterproof material can be evenly brushed on the inside of the box. By standing and waiting for the waterproof material to dry, the baffle and the tile can be firmly bonded into a whole, providing a stable and reliable test environment for subsequent testing steps. This design not only simplifies the operation process, but also improves the test efficiency and accuracy.

[0013] 2. During the detection process, the device can fully detect whether there is water leakage at the bonding points of the waterproof material around the bottom of the box through steps such as water injection, water absorption, lifting and pushing. In particular, the use of color-changing test paper and detectors can intuitively observe the performance of waterproof materials in different positions, thereby achieving accurate detection and comparison of building waterproof materials. This detection method is not only simple and intuitive, but also can effectively evaluate the performance and quality of waterproof materials, providing strong technical support for waterproof projects in the construction industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the working state structure of the present invention.

[0015] Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention.

[0016] Figure 3 It is a schematic diagram of the three-dimensional structure of the adjustment component of the present invention.

[0017] Figure 4 This is a schematic diagram of the first three-dimensional structure of the test assembly of the present invention.

[0018] Figure 5This is a schematic diagram of the second three-dimensional structure of the test assembly of the present invention.

[0019] Figure 6 It is a schematic diagram of the three-dimensional structure of the first detector of the present invention.

[0020] Figure 7 It is a schematic diagram of the three-dimensional structure of the second detector of the present invention.

[0021] Figure 8 It is a schematic diagram of the installation structure of the lifting assembly of the present invention.

[0022] Fig. 9 It is a schematic diagram of the three-dimensional structure of the lifting assembly of the present invention.

[0023] Fig.10 It is a schematic diagram of the three-dimensional structure of the water injection assembly of the present invention.

[0024] The markings in the figure are: 1-chassis, 2-cover, 3-slot, 4-first mounting seat, 5-first screw, 6-extrusion block, 7-adjustment assembly, 71-second mounting seat, 72-cross plate, 73-second screw, 74-second nut, 75-rotating shaft, 76-handwheel, 77-gear, 78-rocker, 8-test assembly, 81-third mounting seat, 82-slide rail, 83-slider, 84-moving rod, 85-connecting rod, 86-push rod, 87-first detector, 871-cross frame, 872- Bending card plate, 873-pull shaft, 874-elastic member, 875-pressing plate, 88-second detector, 881-U-shaped frame, 882-card frame, 883-elastic card block, 884-mounting roller, 9-lifting assembly, 91-mounting plate, 92-guide sleeve, 93-lifting rod, 94-suction cup, 95-air suction pump, 96-cylinder, 10-first isolation plate, 11-water injection assembly, 111-water pump, 112-pipeline, 113-hose, 114-suction straw, 12-second isolation plate, 13-box cover. DETAILED DESCRIPTION

[0025] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments, but the protection scope and application scope of the present invention are not limited.

[0026] Example: Figure 1-3As shown, a building material waterproof detection and comparison device also includes a chassis 1, a cover plate 2, a first mounting seat 4, a first screw rod 5, an extrusion block 6, an adjustment component 7, a test component 8 and a lifting component 9, the chassis 1, the chassis 1 is in a hollow state at the upper part, the cover plate 2 is provided with a cover plate 2 on the top by bolts, the left and right sides of the top of the cover plate 2 are symmetrically provided with two straight grooves 3, the cover plate 2 between the two straight grooves 3 on the same side has two symmetrical slide grooves, the top of the cover plate 2 is symmetrically provided with a first mounting seat 4, the middle part of the first mounting seat 4 is embedded with a nut, the nut is screwed with a first screw rod 5, the two first screw rods 5 are rotatably provided with an extrusion block 6 at the opposite ends, the bottom of the extrusion block 6 is slidably matched with the adjacent slide groove through a sliding block, the middle part of the cover plate 2 is provided with an adjustment component 7 that can synchronously adjust the two extrusion blocks 6 in the middle, the adjustment component 7 includes a second mounting seat 71, a cross plate 72, a second screw rod 73, a second nut 74, a rotating shaft 75, a hand wheel 7 6. Gear 77 and rocker 78. A slide groove is symmetrically provided on the middle side of the top of the cover plate 2. A second mounting seat 71 is symmetrically arranged on the middle side of the top of the cover plate 2. A cross plate 72 is symmetrically arranged between the two second mounting seats 71. A second screw rod 73 is rotatably arranged in the middle of the second mounting seat 71. The two second screw rods 73 have opposite patterns. A coupling is arranged between the two second screw rods 73. Two extrusion blocks 6 are slidably installed on the slide groove in the middle. A second nut 74 is embedded in the middle of the two extrusion blocks 6. A rotating shaft 75 is rotatably provided in the middle of the front cross plate 72. A hand wheel 76 is arranged on the front side of the rotating shaft 75. Gears 77 are arranged on the rotating shaft 75 and the coupling. The two gears 77 are meshed. A rocker 78 is arranged at the offset position on the front side of the hand wheel 76. A lifting component 9 capable of driving a box body coated with a building waterproof material to move upward is arranged in the chassis 1. A test component 8 capable of detecting whether the bottom of the box body coated with a building waterproof material is leaking is arranged on the top of the cover plate 2.

[0027] like Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 and Figure 7As shown, the test assembly 8 includes a third mounting seat 81, a slide rail 82, a slider 83, a moving rod 84, a connecting rod 85, a push rod 86, a first detector 87 and a second detector 88. The third mounting seat 81 is symmetrically provided on the left and right sides of the top of the cover plate 2 through bolt connection. The top of the third mounting seat 81 is provided with a slide rail 82, and a slider 83 is slidably provided in the slide rail 82. The top of the slider 83 is provided with a moving rod 84. The side of the moving rod 84 close to the lifting assembly 9 is symmetrically provided with a connecting rod 85. The top of the moving rod 84 is provided with a push rod 86. The first detector 87 is clamped between the two connecting rods 85. The first detector 87 includes a cross frame 871, a bent card plate 872, a pull shaft 873, an elastic member 874 and a pressing plate 875. The cross frame 871 is symmetrically provided with square grooves. The bottom of the cross frame 871 is symmetrically provided with a bent card plate 872. The bending card plate 872 is clamped on the connecting rod 85, and a pull shaft 873 is vertically slidably arranged on the cross frame 871, and an elastic member 874 is sleeved on the pull shaft 873. The elastic member 874 is a compression spring, one end of the elastic member 874 is connected to the lower part of the pull shaft 873, and the other end of the elastic member 874 is connected to the cross frame 871. A pressure plate 875 is arranged on the top of the pull shaft 873, and the pressure plate 875 is located on the square groove. The front end of the rear connecting rod 85 is rotatably arranged with a second detector 88, and the second detector 88 includes a U-shaped frame 881, a card frame 882, an elastic card block 883 and an installation roller 884. The front end of the rear connecting rod 85 is provided with a U-shaped frame 881, and the card frame 882 is symmetrically arranged on the top of the U-shaped frame 881. The elastic card block 883 is symmetrically installed on the inner side of the card frame 882, and the installation roller 884 is clamped between the two card frames 882, and a straight groove is opened in the installation roller 884.

[0028] like Figure 2 , Figure 8 and Fig. 9 As shown, the lifting assembly 9 includes a mounting plate 91, and the mounting plate 91, a guide sleeve 92, a lifting rod 93, a suction cup 94, an air pump 95 and a cylinder 96 are symmetrically arranged on the left and right sides of the inner side of the chassis 1. The guide sleeve 92 is symmetrically arranged on the top of the mounting plate 91, and the lifting rod 93 is slidingly arranged in the guide sleeve 92. Suction cups 94 are fixedly arranged on the top of the two lifting rods 93, and the suction cups 94 pass through the circular holes on the cover plate 2. An air pump 95 is arranged at the bottom of the suction cup 94, and a cylinder 96 is arranged in the middle of the installation. The telescopic rod of the cylinder 96 is connected to the cross frame 871 installed between the lifting rods 93.

[0029] like Figure 1 , Figure 2 , Figure 8 and Fig.10As shown, it also includes a first isolation plate 10 and a water injection assembly 11. The first isolation plate 10 is arranged on the inner rear side of the chassis 1. The first isolation plate 10 and the chassis 1 form a rectangular space for storing water. The top rear side of the cover plate 2 is provided with a water injection assembly 11 for convenient water injection experiment into the box body of the building waterproof material. The water injection assembly 11 includes a water pump 111, a pipe 112, a hose 113 and a suction pipe 114. The top rear side of the cover plate 2 is provided with a water pump 111 by bolt connection. The water outlet of the water pump 111 is connected to the pipe 112. The pipe 112 is connected to the hose 113 by stretching. The water inlet of the water pump 111 is connected to the suction pipe 114. The suction pipe 114 is located in the water storage rectangular space formed by the first isolation plate 10 and the chassis 1.

[0030] like Figure 1 and Figure 8 As shown, it also includes a second isolation plate 12 and a box cover 13. The second isolation plate 12 is symmetrically arranged on the left side of the chassis 1. The right side of the second isolation plate 12 is welded to the first isolation plate 10. The second isolation plate 12 and the chassis 1 form two storage spaces. The box cover 13 is provided on the left part of the front side wall and the rear side wall of the chassis 1. When the box cover 13 is opened, the materials assembled into the experimental box can be stored in the internal space.

[0031] When it is necessary to inspect the building waterproof material, the staff slides the baffle along the slot 3 of the cover plate 2, and then completes two vertical surfaces front and back, and then places the tile with the smooth side facing down, the smooth surface of the tile fits the suction cup 94, the front and back sides of the tile contact the baffle, and then the other two baffles are tilted against the inclined surface of the extrusion block 6, and then by turning the rocker 78, the rocker 78 drives the rotating shaft 75 to rotate through the hand wheel 76, and through the transmission of the bevel gear 77, the second screw rod 73 rotates, and the two extrusion blocks 6 in the middle move back to back. When the two extrusion blocks 6 in the middle are located between the two baffles, the staff slides a baffle down along the inclined surface of the extrusion block 6, the inclined baffle fits the extrusion block 6, continues to turn the rocker 78, and then drives the baffle to move and contact with the edge of the adjacent tile through the extrusion block 6. Similarly, shake the first screw rod 5, so as to achieve the extrusion block 6 connected to the first screw rod 5 to approach the tile, and then place the baffle, and the extrusion block 6 connected to the first screw rod 5 squeezes the baffle to contact with the edge of the adjacent tile, and the four baffles and tiles form After the boxes on both sides are connected, the staff will apply different waterproof materials to the inside of the box, and then let it stand. When the waterproof coating is dry, the four baffles and tiles will be bonded together. Then the staff will use the water pump 111 to pump out the water in the water storage area of ​​the chassis 1. The staff can pull the hose 113 to inject water into the two boxes coated with waterproof materials. After a certain amount of water is injected on both sides, the water pump 111 is controlled to be closed, and then it is left to stand for a period of time. At this time, the staff The operator can insert one side of the color-changing test paper into the slot of the mounting roller 884, and then insert the other end into the slot of the mounting roller 884 after wrapping it around. The first detector 87 is installed to become the test paper. First, pull the pull shaft 873 downward to drive the pressure plate 875 to move downward. The elastic member 874 is compressed, and a section of the color-changing test paper is placed in between. Release the pull shaft 873, and the pressure plate 875 is reset to clamp it. Then, the color-changing test paper is wrapped around the top of the cross frame 871, and the other end is fixed with the pressure plate 875.The staff can control the air pump 95 to pump out the air in the suction cup 94, and then the suction cup 94 will absorb the bottom of the tile, control the cylinder 96 to extend, and then the cylinder 96 will lift the fastened box, and the lifting rod 93 on the guide sleeve 92 will also move upward. When the cylinder 96 is extended to the longest, the cylinder 96 is controlled to stop working, and then the staff pushes the push rod 86 on the rear side to move toward the box, and then the second detector 88 contacts and rolls along the edge bonding positions on the left and right sides of the bottom of the box, and the color-changing test paper clamped on the mounting roller 884 can see whether the color changes, continue to push the push rod 86 on the rear side, and the color-changing test paper clamped on the first detector 87 on the rear side can contact the edge bonding position on the rear side of the bottom of the box, push the push rod 86 on the front side, and the color-changing test paper clamped on the first detector 87 on the front side can contact the edge bonding position on the front side of the bottom of the box, and then detect whether there is leakage at the bonding points around the bottom. The device has a simple structure and is easy to operate, which is convenient for detecting and comparing building waterproof materials.

[0032] Those skilled in the art should understand that the above embodiments do not limit the present invention in any form, and any technical solutions obtained by equivalent replacement or equivalent transformation shall fall within the protection scope of the present invention.

Claims

1. A building material waterproof detection and comparison device, characterized in that it also include: A chassis (1), a cover plate (2), wherein the top of the chassis (1) is provided with a cover plate (2); A first mounting seat (4), two straight slots (3) are symmetrically provided on both left and right sides of the top of the cover plate (2), two slide slots are symmetrically provided on the cover plate (2) between the two straight slots (3) on the same side, and the first mounting seat (4) is symmetrically provided on the top of the cover plate (2); The first screw rod (5) and the first mounting seat (4) are both embedded with a nut in the middle, and the nut is screwed with the first screw rod (5); An extrusion block (6), wherein the ends of the two first screw rods (5) facing each other are both rotatably provided with an extrusion block (6), and the bottom of the extrusion block (6) is slidably matched with a nearby slide groove through a sliding block; An adjustment component (7), wherein the middle portion of the cover plate (2) is provided with an adjustment component (7) capable of synchronously adjusting the two extrusion blocks (6) in the middle portion; A lifting component (9), wherein the chassis (1) is provided with a lifting component (9) capable of driving a box body coated with a building waterproof material to move upward; A testing component (8) is arranged on the top of the cover plate (2) and is capable of detecting whether the bottom of the box of the building waterproof material is leaking.

2. A building material waterproof detection and comparison device according to claim 1, characterized in that: The regulating assembly (7) comprises: A second mounting seat (71), a slide groove is symmetrically provided in the middle of the top of the cover plate (2) in the front and rear directions, and a second mounting seat (71) is symmetrically provided in the middle of the top of the cover plate (2) in the left and right directions; A transverse plate (72), the transverse plate (72) being symmetrically arranged front and back between the two second mounting seats (71); A second screw rod (73), a second screw rod (73) is rotatably disposed in the middle of the second mounting seat (71), the two second screw rods (73) have opposite lines, and a coupling is disposed between the two second screw rods (73); The second nut (74) is slidably mounted on the middle slide groove of the two extrusion blocks (6), and the middle of the two extrusion blocks (6) is embedded with the second nut (74); A rotating shaft (75), a rotating shaft (75) is rotatably disposed in the middle of the front horizontal plate (72); A hand wheel (76), wherein a hand wheel (76) is arranged on the front side of the rotating shaft (75); Gear (77), the rotating shaft (75) and the coupling are both provided with gear (77), and the two gears (77) are meshed; A rocker (78) is provided at a position offset in front of the hand wheel (76).

3. A building material waterproof detection and comparison device according to claim 2, characterized in that: The test components (8) include: A third mounting seat (81), wherein the third mounting seats (81) are symmetrically arranged on both the left and right sides of the top of the cover plate (2); A slide rail (82), wherein the top of the third mounting seat (81) is provided with a slide rail (82); A slider (83) is slidably arranged in the slide rail (82); A moving rod (84), wherein a moving rod (84) is disposed on the top of the slider (83); A connecting rod (85), a connecting rod (85) is symmetrically arranged on one side of the moving rod (84) close to the lifting assembly (9); A push rod (86), a push rod (86) is disposed on the top of the moving rod (84); A first detector (87), the first detector (87) being clamped between the two connecting rods (85); A second detector (88) is rotatably provided at the front end of the rear connecting rod (85).

4. A building material waterproof detection and comparison device according to claim 3, characterized in that: The first detector (87) comprises: A cross frame (871), the cross frame (871) is symmetrically provided with square grooves; A bending clamping plate (872), wherein the bottom of the cross frame (871) is symmetrically provided with a bending clamping plate (872), and the cross frame (871) is clamped on the connecting rod (85) through the bending clamping plate (872); A pull shaft (873) is vertically slidably arranged on the horizontal frame (871); An elastic member (874) is sleeved on the pull shaft (873), one end of the elastic member (874) is connected to the lower part of the pull shaft (873), and the other end of the elastic member (874) is connected to the cross frame (871); A pressing plate (875) is provided on the top of the pulling shaft (873), and the pressing plate (875) is located on the square groove.

5. A building material waterproof detection and comparison device according to claim 4, characterized in that: The second detector (88) comprises: A U-shaped frame (881), wherein the front end of the connecting rod (85) at the rear side is provided with a U-shaped frame (881); A card rack (882), the card rack (882) is symmetrically arranged on the top of the U-shaped rack (881); An elastic card block (883), the elastic card block (883) is symmetrically mounted on the inner side of the card frame (882); The mounting roller (884) is clamped between the two clamping frames (882), and a straight groove is formed in the mounting roller (884).

6. A building material waterproof detection and comparison device according to claim 5, characterized in that: The lifting assembly (9) comprises: A mounting plate (91), the mounting plates (91) being symmetrically arranged on the left and right sides of the inner side of the chassis (1); A guide sleeve (92), the guide sleeve (92) being symmetrically arranged on the top of the mounting plate (91); A lifting rod (93), wherein the guide sleeve (92) is slidably provided with the lifting rod (93); Suction cups (94), the tops of the two lifting rods (93) are fixedly provided with suction cups (94), and the suction cups (94) pass through the circular holes on the cover plate (2); An air suction pump (95), wherein an air suction pump (95) is disposed at the bottom of the suction cup (94); A cylinder (96) is installed in the middle, and a telescopic rod of the cylinder (96) is connected to a cross frame (871) installed between the lifting rods (93).

7. A building material waterproof detection and comparison device according to claim 6, characterized in that: include: A first isolation plate (10), wherein the first isolation plate (10) is disposed at the rear inner side of the chassis (1), and the first isolation plate (10) and the chassis (1) form a rectangular space for storing water; A water injection assembly (11) is provided on the rear side of the top of the cover plate (2) to facilitate the water injection experiment into the box of the building waterproof material. The water injection assembly (11) comprises: A water pump (111), wherein a water pump (111) is disposed on the rear side of the top of the cover plate (2); A pipe (112), wherein the water outlet at the top of the water pump (111) is connected to the pipe (112); A hose (113) is connected to the pipe (112) and can be stretched to obtain the hose (113); A suction pipe (114) is connected to the water inlet of the water pump (111), and the suction pipe (114) is located in a water storage rectangular space formed by the first isolation plate (10) and the chassis (1).

8. A building material waterproof detection and comparison device according to claim 7, characterized in that: include: A second isolation plate (12), the second isolation plate (12) being symmetrically arranged front and back on the left side of the chassis (1), the right side of the second isolation plate (12) being connected to the first isolation plate (10), the second isolation plate (12) and the chassis (1) forming two storage spaces; A box cover (13) is provided on the front side wall and the left part of the rear side wall of the chassis (1).

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