Device for detecting strength of member connection point of municipal building

Abstract

The invention provides a municipal building component connection point strength detection device, and belongs to the field of building component strength detection.The municipal building component connection point strength detection device comprises a bottom plate, the bottom plate is provided with an anti-bending detection assembly, a through hole is formed in the bottom plate in a penetrating mode, and four supporting columns are fixedly arranged on the bottom plate; a top plate is fixedly arranged at the tops of the four supporting columns. And a pressure resistance detection assembly. According to the invention, pressure resistance detection, bending resistance detection, tensile resistance detection and torsion resistance detection can be sequentially carried out on the connection points, the detection modes are abundant, the comprehensive performance of the component connection points can be comprehensively and deeply evaluated, the flexible response capability of the connection points under complex and changeable working conditions is detected, diversified detection requirements are met, and the detection efficiency is improved. And a protection assembly is further arranged, in the detection process, connection points can be covered through surrounding cloth, danger caused by chipping splashing in the detection process is avoided, and practicability is improved.

Description

Technical Field

[0001] This invention relates to the field of building component strength testing technology, and in particular to a device for testing the strength of connection points of components in municipal buildings. Background Technology

[0002] A structural member connection point strength testing device, application number CN202010134788.0, includes a support frame, a torque sensor, a fixing plate, and a main unit housing. The support frame has a threaded rod with handles and a first connecting plate at both ends. Multiple fixing plates are evenly installed on both sides of the support frame, and each fixing plate has multiple sets of second connecting clamping assemblies. One end of the torque sensor is connected to the first connecting plate, and the other end of the torque sensor is detachably connected to the bolt to be tested via the first clamping connecting assembly. The main unit housing is mounted on the support frame, and a display is located on its end face. A circuit board inside the main unit housing includes a data receiving module, a converter, a data processing module, a microprocessor, and a power supply module. The power supply module is electrically connected to the microprocessor. The microprocessor is connected to the display and the data processing module. The torque sensor, data receiving module, converter, and data processing module are connected sequentially. This invention is convenient to use, has good stability, and facilitates the testing of the torque of strong bolts.

[0003] While the aforementioned technologies offer good stability and facilitate the testing of torque on high-strength bolts, their testing modes are relatively limited. These modes often only detect the strength of a connection point in a specific aspect, failing to comprehensively and thoroughly assess the overall performance of the connection points. Consequently, they cannot detect the connection points' ability to flexibly adapt to complex and changing working conditions, making it difficult to meet diverse testing needs. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a device for testing the strength of component connection points in municipal buildings.

[0005] An embodiment of the present invention provides a strength testing device for component connection points in municipal buildings, comprising:

[0006] A base plate, on which a bending resistance detection component is provided, a through hole is provided through the base plate, four support columns are fixedly provided on the base plate, and a top plate is fixedly provided on the top of the four support columns;

[0007] A pressure resistance testing component includes a hydraulic rod, a lifting plate, a movable plate, a pressure block, a positioning box, a limit plate, and a pressure sensor. The hydraulic rod is fixedly installed through the top plate. A rotating column is fixedly installed on the lifting plate, and the output end of the hydraulic rod is rotatably mounted on the top of the rotating column. A torsional force testing component is installed between the hydraulic rod and the rotating column. Chains are fixedly installed at the four corners of the top of the movable plate, and the other ends of the four chains are fixedly installed at the bottom of the lifting plate. The pressure block is fixedly installed at the bottom of the lifting plate. The positioning box is located below the lifting plate and contains a tensile force testing component. Guide columns are fixedly installed at the four corners of the bottom of the lifting plate, and the four guide columns slide through the top of the positioning box. The limit plate is fixedly installed at the bottom of the four guide columns. A positioning hole is provided through the bottom of the positioning box. The pressure sensor is fixedly installed on the top of the positioning box.

[0008] Furthermore, the bending resistance detection component includes a winding roller, a motor, a steel wire rope, and a tilt angle sensor. Two side plates are fixedly arranged parallel to each other on the base plate. The winding roller is positioned between the two side plates. A shaft is inserted through the winding roller, with both ends of the shaft rotatably passing through the side plates on the same side. The motor is fixedly installed on the outside of one of the side plates, and the output end of the motor is fixedly installed at one end of the shaft. One end of the steel wire rope is fixedly installed on the winding roller and wound around it. The other end of the steel wire rope is fixedly installed on one side of the positioning box. The tilt angle sensor is fixedly installed on one side of the positioning box, and a positioning cylinder is fixedly installed at the top inner interior of the positioning box.

[0009] Furthermore, the tensile strength testing component includes a clamping cylinder and a sleeve. The clamping cylinder is fixedly installed at the bottom of the positioning box and is aligned with the positioning hole. The clamping cylinder has multiple expansion joints. The sleeve is fixedly installed through the limiting plate and is arc-shaped inside.

[0010] Furthermore, the anti-torsion detection component includes a rotary cylinder, two gears and a limiting block. A mounting plate is fixedly installed on one side of the output end of the hydraulic rod. The rotary cylinder is fixedly installed on the bottom of the mounting plate. One of the gears is fixedly installed at the output end of the rotary cylinder, and the other gear is fixedly sleeved on the rotating column. The two gears are meshed and connected. The limiting block is fixedly installed on the movable plate.

[0011] Furthermore, it also includes a protective component, which includes an annular plate, a first annular magnetic block, a surrounding cloth, and a second annular magnetic block. The annular plate is fixedly disposed at the bottom of the positioning box, the first annular magnetic block is fixedly disposed at the bottom of the annular plate, one end of the surrounding cloth is fixedly disposed on the inner side of the annular plate, and the other end of the surrounding cloth is fixedly disposed on the second annular magnetic block. The first annular magnetic block and the second annular magnetic block are configured in cooperation.

[0012] Furthermore, the limiting block is U-shaped, the pressing block is disposed inside the limiting block, and the pressing block slides against the inner side of the limiting block.

[0013] Furthermore, handles are fixedly provided on both sides of the positioning box, and protective sleeves are fixedly fitted on both handles. The outer side of the clamping cylinder protrudes outward in an arc shape, and multiple expansion joints are evenly distributed around the circumference. The sleeve is fitted on the outer side of the clamping cylinder, and the sleeve slides against the outer side of the clamping cylinder.

[0014] Furthermore, a controller is fixedly mounted on the base plate, and the controller is electrically connected to both the pressure sensor and the tilt angle sensor.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. A pressure resistance testing component is set up. The positioning box is moved downward by the hydraulic rod and fitted onto the connection point, so that the connection point abuts against the inner top of the positioning box. The hydraulic rod can then press the connection point to test its pressure resistance.

[0017] 2. A bending resistance detection component is set up. While the four chains are kept in a relaxed state by the hydraulic rod and the limit block is not pressed against the pressure block, the wire rope is wound up by the motor and the winding roller, and the connection point can be pulled to perform bending resistance detection.

[0018] 3. A tensile strength testing component is set up. The sleeve is driven to move upward by the hydraulic rod. The sleeve will squeeze the top of the clamping cylinder, causing the top of the clamping cylinder to contract inward, thereby clamping the connection point. By continuing to pull the connection point upward, the tensile strength can be tested.

[0019] 4. A torsional force detection component is set up. After the clamping cylinder clamps the connection point, the rotary cylinder can drive the rotating column to rotate through two gears. The rotating column can drive the movable plate and positioning box to rotate through the limit block and pressure block. The positioning box can drive the connection point to rotate through the clamping cylinder, thereby detecting the torsional force of the connection point.

[0020] 5. A protective component is installed. During the testing process, the staff can pull down the second ring-shaped magnetic block and unfold the protective cloth. The cloth can cover the connection point to avoid the danger caused by flying debris during the testing process.

[0021] In summary, this invention can sequentially perform pressure resistance testing, bending resistance testing, tensile force testing, and torsional force testing on connection points, providing a variety of testing modes. This allows for a comprehensive and in-depth evaluation of the overall performance of component connection points, thereby detecting the connection points' flexible response capabilities under complex and variable working conditions. It meets diverse testing needs and also includes protective components. During the testing process, the connection points can be covered with a protective cloth to avoid the danger caused by flying debris, thus increasing its practicality. Attached Figure Description

[0022] Figure 1 This is a perspective view of a component connection point strength testing device for municipal buildings as described in an embodiment of the present invention.

[0023] Figure 2 This is a cross-sectional view of the positioning box in a component connection point strength testing device for municipal buildings according to an embodiment of the present invention.

[0024] Figure 3 This is a partial perspective view of a component connection point strength testing device for municipal buildings as described in an embodiment of the present invention.

[0025] Figure 4 This is a three-dimensional unfolded view of the tensile strength testing component in a component connection point strength testing device for municipal buildings, as described in an embodiment of the present invention.

[0026] Figure 5 This is a perspective view of the bending resistance testing component in a component connection point strength testing device for municipal buildings, as described in an embodiment of the present invention.

[0027] Figure 6 This is a perspective view of the protective component in the component connection point strength testing device for municipal buildings described in an embodiment of the present invention.

[0028] In the above attached figures: 1 base plate, 11 through hole, 12 support column, 13 top plate, 2 pressure resistance detection component, 21 hydraulic rod, 22 lifting plate, 23 rotating column, 24 movable plate, 25 chain, 26 pressure block, 27 positioning box, 28 handle, 29 guide column, 210 limit plate, 211 positioning hole, 212 pressure sensor, 3 bending resistance detection component, 31 side plate, 32 winding roller, 33 shaft, 34 motor, 35 wire rope, 36 tilt angle sensor, 37 positioning cylinder, 4 tensile strength detection component, 41 clamping cylinder, 42 expansion joint, 43 sleeve, 5 torsional strength detection component, 51 mounting plate, 52 rotary cylinder, 53 gear, 54 limit block, 6 protective component, 61 annular plate, 62 first annular magnetic block, 63 surrounding cloth, 64 second annular magnetic block, 7 controller. Detailed Implementation

[0029] The technical solutions of the present invention will be further described below with reference to the accompanying drawings and embodiments.

[0030] like Figures 1-6 As shown in the figure, an embodiment of the present invention proposes a device for testing the strength of component connection points in municipal buildings, comprising:

[0031] The base plate 1 has a controller 7 fixedly installed on it. The controller 7 is electrically connected to the pressure sensor 212 and the tilt angle sensor 36. The controller 7 is existing technology. The controller 7 can control the opening and closing of the pressure sensor 212 and the tilt angle sensor 36, and display the values ​​detected by the pressure sensor 212 and the tilt angle sensor 36. A through hole 11 is provided through the base plate 1 for the passage of the component connection point. Four support columns 12 are fixedly installed on the base plate 1, and a top plate 13 is fixedly installed on the top of the four support columns 12.

[0032] The pressure resistance testing component 2 includes a hydraulic rod 21, a lifting plate 22, a movable plate 24, a pressure block 26, a positioning box 27, a limit plate 210, and a pressure sensor 212. The hydraulic rod 21 is fixedly installed through the top plate 13. A rotating column 23 is fixedly installed on the lifting plate 22, and the output end of the hydraulic rod 21 is rotatably installed on the top of the rotating column 23. Chains 25 are fixedly installed at the four corners of the top of the movable plate 24, and the other ends of the four chains 25 are fixedly installed at the bottom of the lifting plate 22, so that the movable plate 24 and the lifting plate 22 are movable. The pressure block 26 is fixedly installed at the bottom of the lifting plate 22, and the positioning box 27 is installed on the lifting plate. Below 22, handles 28 are fixedly installed on both sides of the positioning box 27. Protective covers are fixedly fitted on both handles 28 to facilitate the lifting of the positioning box 27 by the staff. Guide posts 29 are fixedly installed at the four corners of the bottom of the lifting plate 22. The four guide posts 29 slide through the top of the positioning box 27. The limiting plate 210 is fixedly installed at the bottom of the four guide posts 29. The limiting plate 210 is installed inside the positioning box 27. The bottom of the positioning box 27 is provided with a positioning hole 211 for the passage of the component connection point. The pressure sensor 212 is fixedly installed on the top of the positioning box 27. The pressure sensor 212 is existing technology and is used to detect the pressure value.

[0033] Place the base plate 1 on the component and make the connection point pass through the through hole 11. Then, the hydraulic rod 21 drives the lifting plate 22 and the positioning box 27 to move downward, so that the connection point passes through the positioning hole 211 and abuts against the inner top of the positioning box 27, and the movable plate 24 abuts against the pressure sensor 212. Then the hydraulic rod 21 continues to press the connection point downward, so that the compressive strength of the connection point can be detected, and the pressure data can be measured by the pressure sensor 212.

[0034] A bending resistance detection component 3 is installed on the base plate 1. The bending resistance detection component 3 includes a winding roller 32, a motor 34, a steel wire rope 35, and a tilt angle sensor 36. Two side plates 31 are fixedly installed parallel to each other on the base plate 1. The winding roller 32 is located between the two side plates 31. A shaft 33 is installed through the winding roller 32. The two ends of the shaft 33 are respectively rotatably installed through the side plates 31 on the same side. The motor 34 (the motor 34 does not have a self-locking function, so that the positioning box 27 can pull the winding roller 32 to rotate through the steel wire rope 35, avoiding affecting the movement of the positioning box 27) is not affected. The motor 34 is fixedly installed on the outside of one of the side plates 31. The output end of the motor 34 is fixedly installed on one end of the shaft 33. One end of the wire rope 35 is fixedly installed on the winding roller 32 and the wire rope 35 is wound on the winding roller 32. The other end of the wire rope 35 is fixedly installed on one side of the positioning box 27. The tilt angle sensor 36 is a prior art and is used to detect the tilt angle of the positioning box 27. The positioning cylinder 37 is fixedly installed on the inner top of the positioning box 27 for positioning the connection point.

[0035] The hydraulic rod 21 drives the positioning box 27 to move downward, so that the connection point passes through the positioning hole 211 and is inserted into the positioning cylinder 37. While keeping the four chains 25 in a relaxed state, the limit block 54 does not press against the pressure block 26. Then, the motor 34 drives the winding roller 32 to rotate, and the winding roller 32 winds up the wire rope 35, thereby pulling the positioning box 27 to move to the same side. The positioning box 27 can pull the connection point to perform anti-bending detection, and the bending angle can be detected by the tilt angle sensor 36.

[0036] The positioning box 27 is equipped with a tensile strength testing component 4, which includes a clamping cylinder 41 and a sleeve 43. The clamping cylinder 41 is fixedly installed at the inner bottom of the positioning box 27, and the outer side of the clamping cylinder 41 is as follows: Figure 4 The clamping cylinder 41 is arranged in an arc shape and protrudes outward. It is aligned with the positioning hole 211 so that the connection point can pass through the clamping cylinder 41. The clamping cylinder 41 has multiple expansion joints 42, which are evenly distributed around the circumference. This allows the top of the clamping cylinder 41 to contract inward, thereby clamping the connection point. The sleeve 43 is fixedly installed through the limiting plate 210. The sleeve 43 is sleeved on the outside of the clamping cylinder 41 and slides against the outside of the clamping cylinder 41. The inside of the sleeve 43 is arc-shaped so that the sleeve 43 can squeeze the top of the clamping cylinder 41, causing the top of the clamping cylinder 41 to contract inward and clamp the connection point.

[0037] After the connection point is inserted into the positioning box 27, the staff holds the positioning box 27 with the handle 28, and then drives the limit plate 210 and the sleeve 43 to move upward through the hydraulic rod 21. The sleeve 43 will squeeze the top of the clamping cylinder 41, causing the top of the clamping cylinder 41 to retract inward, thereby clamping the connection point. Then, the handle 28 is released, and the connection point can be pulled upward to perform tensile strength testing.

[0038] A torsional force detection component 5 is provided between the hydraulic rod 21 and the rotating column 23. The torsional force detection component 5 includes a rotary cylinder 52, two gears 53 and a limiting block 54. A mounting plate 51 is fixedly provided on one side of the output end of the hydraulic rod 21. The rotary cylinder 52 is fixedly installed on the bottom of the mounting plate 51. One gear 53 is fixedly provided on the output end of the rotary cylinder 52, and the other gear 53 is fixedly sleeved on the rotating column 23. The two gears 53 are meshed and connected. The limiting block 54 is fixedly provided on the movable plate 24. The limiting block 54 is U-shaped. The pressure block 26 is provided inside the limiting block 54. The pressure block 26 slides against the inner side of the limiting block 54. The limiting block 54 limits the pressure block 26. The pressure block 26 can slide inside the limiting block 54 without affecting the movement of the positioning box 27.

[0039] When the top of the clamping cylinder 41 retracts inward to clamp the connection point, the rotary cylinder 52 can drive the rotating column 23 to rotate through the two gears 53. The rotating column 23 can drive the movable plate 24 and the positioning box 27 to rotate through the limiting block 54 and the pressure block 26. The positioning box 27 can drive the connection point to rotate through the clamping cylinder 41 to detect the torsional resistance of the connection point.

[0040] It also includes a protective component 6, which includes an annular plate 61, a first annular magnetic block 62, a surrounding cloth 63, and a second annular magnetic block 64. The annular plate 61 is fixedly installed at the bottom of the positioning box 27, the first annular magnetic block 62 is fixedly installed at the bottom of the annular plate 61, one end of the surrounding cloth 63 is fixedly installed on the inner side of the annular plate 61, and the other end of the surrounding cloth 63 is fixedly installed on the second annular magnetic block 64. The first annular magnetic block 62 and the second annular magnetic block 64 are configured to cooperate so that the second annular magnetic block 64 can be attracted to the bottom of the first annular magnetic block 62.

[0041] During the testing process, the staff can pull down the second annular magnetic block 64 to connect it with the first annular magnetic block 62, and place the second annular magnetic block 64 on the base plate 1. The connection point can then be covered by the surrounding cloth 63 to avoid the danger caused by flying debris during the testing process.

[0042] The detailed working process of this invention is as follows:

[0043] 1. When in use, first place the base plate 1 on the component so that the connection point passes through the through hole 11 and is inserted into the positioning cylinder 37. Then, the hydraulic rod 21 drives the lifting plate 22 and the positioning box 27 to move downward so that the connection point passes through the positioning hole 211 and abuts against the inner top of the positioning box 27, and the movable plate 24 abuts against the pressure sensor 212. Then the hydraulic rod 21 continues to press the connection point downward to test the compressive strength of the connection point.

[0044] 2. Subsequently, the hydraulic rod 21 moves upward a short distance, so that the four chains 25 remain in a relaxed state and the limit block 54 does not press against the pressure block 26. Then, the motor 34 drives the winding roller 32 to rotate, and the winding roller 32 winds up the wire rope 35, thereby pulling the positioning box 27 to move to the same side. The positioning box 27 can then pull the connection point to perform bending resistance testing.

[0045] 3. Subsequently, the staff holds the positioning box 27 with the handle 28, and then drives the limit plate 210 and the sleeve 43 to move upward through the hydraulic rod 21. The sleeve 43 will squeeze the top of the clamping cylinder 41, causing the top of the clamping cylinder 41 to retract inward, thereby clamping the connection point. Then, the handle 28 is released, and the connection point is pulled upward to perform tensile strength testing.

[0046] 4. After the clamping cylinder 41 clamps the connection point, the rotary cylinder 52 can drive the rotating column 23 to rotate through the two gears 53. The rotating column 23 can drive the movable plate 24 and the positioning box 27 to rotate through the limit block 54 and the pressure block 26. The positioning box 27 can drive the connection point to rotate through the clamping cylinder 41 to test the torsional resistance of the connection point.

[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A device for testing the strength of component connection points in municipal buildings, characterized in that, include: A base plate (1) is provided with a bending resistance detection component (3), a through hole (11) is provided through the base plate (1), four support columns (12) are fixedly provided on the base plate (1), and a top plate (13) is fixedly provided on the top of the four support columns (12). A pressure resistance testing component (2) is provided, comprising a hydraulic rod (21), a lifting plate (22), a movable plate (24), a pressure block (26), a positioning box (27), a limit plate (210), and a pressure sensor (212). The hydraulic rod (21) is fixedly installed through the top plate (13). A rotating column (23) is fixedly installed on the lifting plate (22). The output end of the hydraulic rod (21) is rotatably installed on the top of the rotating column (23). A torsional force testing component (5) is provided between the hydraulic rod (21) and the rotating column (23). Chains (25) are fixedly installed at the four corners of the top of the movable plate (24). The other side of the four chains (25) The end is fixedly set at the bottom of the lifting plate (22), the pressure block (26) is fixedly set at the bottom of the lifting plate (22), the positioning box (27) is set below the lifting plate (22), the positioning box (27) is provided with a tensile force detection component (4), the four corners of the bottom of the lifting plate (22) are fixedly set with guide posts (29), the four guide posts (29) are slidably set through the top of the positioning box (27), the limiting plate (210) is fixedly set at the bottom of the four guide posts (29), the bottom of the positioning box (27) is provided with a positioning hole (211), and the pressure sensor (212) is fixedly installed on the top of the positioning box (27).

2. The component connection point strength testing device for municipal buildings according to claim 1, characterized in that, in: The bending resistance detection component (3) includes a winding roller (32), a motor (34), a wire rope (35), and a tilt angle sensor (36). Two side plates (31) are fixedly arranged in parallel on the base plate (1). The winding roller (32) is arranged between the two side plates (31). A shaft (33) is inserted through the winding roller (32). The two ends of the shaft (33) are respectively inserted through the side plates (31) on the same side and rotated. The motor (34) is fixedly installed on one of the side plates. On the outside of the plate (31), the output end of the motor (34) is fixedly mounted on one end of the shaft (33), one end of the wire rope (35) is fixedly mounted on the winding roller (32), the wire rope (35) is wound on the winding roller (32), the other end of the wire rope (35) is fixedly mounted on one side of the positioning box (27), the tilt angle sensor (36) is fixedly mounted on one side of the positioning box (27), and a positioning cylinder (37) is fixedly mounted on the inner top of the positioning box (27).

3. The component connection point strength testing device for municipal buildings according to claim 1, characterized in that, in: The tensile strength testing component (4) includes a clamping cylinder (41) and a sleeve (43). The clamping cylinder (41) is fixedly installed at the bottom of the positioning box (27). The clamping cylinder (41) is aligned with the positioning hole (211). Multiple expansion joints (42) are provided on the clamping cylinder (41). The sleeve (43) is fixedly installed through the limiting plate (210). The sleeve (43) is arc-shaped inside.

4. The component connection point strength testing device for municipal buildings according to claim 1, characterized in that, in: The anti-torsion detection component (5) includes a rotary cylinder (52), two gears (53) and a limiting block (54). A mounting plate (51) is fixedly installed on one side of the output end of the hydraulic rod (21). The rotary cylinder (52) is fixedly installed on the bottom of the mounting plate (51). One of the gears (53) is fixedly installed on the output end of the rotary cylinder (52), and the other gear (53) is fixedly sleeved on the rotating column (23). The two gears (53) are meshed and connected. The limiting block (54) is fixedly installed on the movable plate (24).

5. The component connection point strength testing device for municipal buildings according to claim 1, characterized in that, in: It also includes a protective component (6), which includes an annular plate (61), a first annular magnetic block (62), a surrounding cloth (63), and a second annular magnetic block (64). The annular plate (61) is fixedly disposed at the bottom of the positioning box (27), the first annular magnetic block (62) is fixedly disposed at the bottom of the annular plate (61), one end of the surrounding cloth (63) is fixedly disposed on the inner side of the annular plate (61), and the other end of the surrounding cloth (63) is fixedly disposed on the second annular magnetic block (64). The first annular magnetic block (62) and the second annular magnetic block (64) are configured in cooperation.

6. The component connection point strength testing device for municipal buildings according to claim 4, characterized in that, in: The limiting block (54) is U-shaped, and the pressing block (26) is disposed inside the limiting block (54). The pressing block (26) slides against the inner side of the limiting block (54).

7. The component connection point strength testing device for municipal buildings according to claim 3, characterized in that, in: The positioning box (27) is fixedly provided with handles (28) on both sides, and protective sleeves are fixedly fitted on both handles (28). The outer side of the clamping cylinder (41) is convex outward in an arc shape. Multiple expansion joints (42) are evenly distributed around the circumference. The sleeve (43) is fitted on the outer side of the clamping cylinder (41). The sleeve (43) slides against the outer side of the clamping cylinder (41).

8. The component connection point strength testing device for municipal buildings according to claim 2, characterized in that, in: A controller (7) is fixedly installed on the base plate (1), and the controller (7) is electrically connected to the pressure sensor (212) and the tilt angle sensor (36).

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