A deformation monitoring device for a modular cold-formed thin-walled light steel structure

Abstract

The utility model relates to a kind of deformation monitoring devices of modular cold-formed thin-walled light steel structure, belong to engineering surveying technical field.The deformation monitoring device of modular cold-formed thin-walled light steel structure, comprising: evenly distributed inclinometer probe and the sealing connecting mechanism of two quantity of evenly distributed inclinometer tube, adjacent two The inclinometer tube is connected by internal thread pipe thread;Sealing connecting mechanism is embedded by first flexible sealing block and second flexible sealing block inserts wire port, when there is data line inside wire port, first flexible sealing block and second flexible sealing block flexible deformation tightly wrap data line;When there is no data line inside wire port, first flexible sealing block and second flexible sealing block directly adhere sealing wire port, effectively block dust water vapor and other impurities to invade inclinometer tube inside, to significantly improve the protection performance of device, prevent the decline of measurement accuracy due to impurities.

Description

Technical Field

[0001] This utility model relates to the field of engineering measurement technology, and in particular to a deformation monitoring device for a modular cold-formed thin-walled light steel structure. Background Technology

[0002] For cold-formed thin-walled light steel structures (such as light steel keel for walls and composite floor slabs), horizontal displacement and settlement need to be monitored. Fixed inclinometers are listed as the core equipment for deep horizontal displacement monitoring in the "Code for Measurement of Building Deformation" due to their millimeter-level accuracy (±0.1mm / m) and long-term stability.

[0003] Currently, a Chinese patent discloses a fixed inclinometer device (authorization announcement number CN219284276U). The top of the inclinometer tube has four wire-threading notches, which are located between two adjacent vertical guide slots. The location of the wire-threading notches does not affect the actual use of the vertical guide slots, and at the same time, it can separate the observation data lines, which is convenient for subsequent measurement and identification.

[0004] Although the inclinometer tube accommodates the data cable through a wire-threading notch, when the number of defective notches exceeds the number of data cables, the wire-threading notch inside without a data cable will be exposed. External dust, moisture, and other impurities can then enter the inclinometer tube through this notch, resulting in poor protection performance. Utility Model Content

[0005] Therefore, it is necessary to provide a deformation monitoring device for a modular cold-formed thin-walled light steel structure to address the problem that the existing fixed inclinometer tubes have poor protective performance and affect their normal monitoring.

[0006] A deformation monitoring device for a modular cold-formed thin-walled light steel structure includes: uniformly distributed inclinometer tubes, uniformly distributed inclinometer probes, and two sealing connection mechanisms. Adjacent inclinometer tubes are connected by internal threaded pipe threads. The opposite ends of the two farthest inclinometer tubes are provided with annularly distributed wire openings. The inclinometer probes are slidably connected to the inside of the inclinometer tubes. Adjacent inclinometer probes are connected in series by hook ropes. Data lines are electrically connected to the surface of the inclinometer probes. One end of the data lines passes through the adjacent wire openings. Uniformly distributed threaded mounting seats are fixedly connected to the surface of the inclinometer tubes.

[0007] In one embodiment, the sealing connection mechanism includes a threaded seal and a uniformly distributed first flexible sealing block. The threaded seal is installed at one end of an adjacent inclinometer tube. The first flexible sealing block is embedded inside the wire port. One end of the threaded seal is fixedly connected to a second flexible sealing block that is inserted into the wire port. The shape of the first flexible block and the second flexible block combined together is the same as the shape of the wire port. The data line is disposed between an adjacent first flexible sealing block and an adjacent second flexible sealing block.

[0008] In one embodiment, the threaded seal includes a threaded sleeve fixedly connected to the inside of the inclinometer tube, a bolt is threadedly connected to the inner side of the threaded sleeve, and a sealing cap that contacts the adjacent inclinometer tube is rotatably connected to the surface of the bolt, and one end of the second flexible sealing block is fixedly connected to the sealing cap.

[0009] In one embodiment, the threaded sleeve and bolt are staggered with the inclinometer probe and the lead wire opening.

[0010] In one embodiment, an O-ring is fixedly connected to one end of the sealing cap, and the O-ring contacts the adjacent inclinometer tube.

[0011] In one embodiment, the O-ring is a fluororubber component, the inner diameter of the O-ring is larger than the inner diameter of the inclinometer tube, and the diameter of the O-ring is smaller than the diameter of the inclinometer tube.

[0012] In one embodiment, the first flexible sealing block, the second flexible sealing block, and the O-ring are all fluororubber material components, and the second flexible sealing block and the O-ring are integrally molded.

[0013] In one embodiment, the inner side of the inclinometer tube is provided with guide grooves that are staggered with the wire inlet, and one end of the sealing cap is fixedly connected to a positioning block that is inserted into the guide groove.

[0014] In one embodiment, the vertical cross-sectional shapes of the wire inlet, the first flexible sealing block, and the second flexible sealing block are all matched I-shaped.

[0015] Beneficial effects

[0016] 1. The aforementioned deformation monitoring device for modular cold-formed thin-walled light steel structures features a sealing connection mechanism that uses a first flexible sealing block embedded in the wire opening and a second flexible sealing block inserted into the wire opening. When there is a data line inside the wire opening, the first and second flexible sealing blocks flexibly deform to tightly wrap the data line. When there is no data line inside the wire opening, the first and second flexible sealing blocks directly adhere to and seal the wire opening, effectively preventing dust, moisture, and other impurities from entering the inclinometer tube, thereby significantly improving the device's protective performance and preventing a decrease in measurement accuracy due to impurities.

[0017] 2. The bolts of the threaded seal are connected to the threaded sleeve, which causes the sealing cover to press against the end of the adjacent inclinometer tube. At the same time, the second flexible sealing block is inserted into the wire inlet along with the sealing cover and combines with the first flexible sealing block. The O-ring provides auxiliary end sealing to ensure complete sealing at the interface. This design enhances the overall sealing reliability and avoids the impact of environmental factors on the long-term operational stability of the inclinometer probe. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a cross-sectional view of the overall structure of this utility model;

[0021] Figure 3 This is a schematic diagram of a partial structure in this utility model;

[0022] Figure 4 This is a cross-sectional schematic diagram of a partial structure in this utility model;

[0023] Figure 5 This is an exploded view of a partial structure of this utility model.

[0024] Figure label:

[0025] 100. Inclinometer tube; 110. Wire inlet; 120. Guide groove; 200. Inclinometer probe; 300. Data cable; 400. Threaded mounting base; 500. Sealing connection mechanism; 510. Threaded seal; 511. Threaded sleeve; 512. Bolt; 513. Sealing cap; 514. O-ring; 515. Positioning block; 520. First flexible sealing block; 530. Second flexible sealing block. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0027] The following is combined with Figures 1-5 This invention describes a deformation monitoring device for a modular cold-formed thin-walled light steel structure.

[0028] In one embodiment, a deformation monitoring device for a modular cold-formed thin-walled light steel structure includes: uniformly distributed inclinometer tubes 100, uniformly distributed inclinometer probes 200, and two sealing connection mechanisms 500. Adjacent inclinometer tubes 100 are connected by internal threaded pipe threads. The opposite ends of the two farthest inclinometer tubes 100 are provided with annularly distributed wire openings 110. The inclinometer probes 200 are slidably connected to the inside of the inclinometer tubes 100. Adjacent inclinometer probes 200 are connected in series by hook ropes. The surface of the inclinometer probes 200 is electrically connected to a data line 300. One end of the data line 300 passes through the adjacent wire openings 110. The surface of the inclinometer tubes 100 is fixedly connected with uniformly distributed threaded mounting seats 400. When the number of inclinometer tubes 100 is greater than one, the opposite ends of two adjacent inclinometer tubes are provided with external threads that match the internal threaded pipe.

[0029] like Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the sealing connection mechanism 500 includes a threaded seal 510 and a uniformly distributed first flexible sealing block 520. The threaded seal 510 is installed at one end of an adjacent inclinometer tube 100. The first flexible sealing block 520 is embedded in the inside of the wire port 110. One end of the threaded seal 510 is fixedly connected to a second flexible sealing block 530 that is inserted into the wire port 110. The shape of the first flexible sealing block 520 and the second flexible sealing block 530 combined together is the same as the shape of the wire port 110. The data line 300 is disposed between an adjacent first flexible sealing block 520 and an adjacent second flexible sealing block 530. The vertical cross-sectional shapes of the wire port 110, the first flexible sealing block 520, and the second flexible sealing block 530 are all matched I-shaped.

[0030] like Figure 3 , Figure 4 and Figure 5 As shown, the threaded seal 510 includes a threaded sleeve 511 fixedly connected inside the inclinometer tube 100. A bolt 512 is threadedly connected to the inner side of the threaded sleeve 511. A sealing cap 513, which contacts an adjacent inclinometer tube 100, is rotatably connected to the surface of the bolt 512. One end of the second flexible sealing block 530 is fixedly connected to the sealing cap 513. The threaded sleeve 511 and bolt 512 are staggered with the inclinometer probe 200 and the lead wire port 110. An O-ring 514 is fixedly connected to one end of the sealing cap 513, and the O-ring 514 contacts an adjacent inclinometer tube 100. The O-ring 514 is a fluororubber material component. The inner diameter of the O-ring 514 is larger than the inner diameter of the inclinometer tube 100, and the diameter of the O-ring 514 is smaller than the diameter of the inclinometer tube 100. The first flexible sealing block 520, the second flexible sealing block 530, and the O-ring 514 are all fluororubber material components. The second flexible sealing block 530 and the O-ring 514 are integrally molded. The inner side of the inclinometer tube 100 is provided with guide grooves 120 that are staggered with the wire inlet 110. One end of the sealing cover 513 is fixedly connected to a positioning block 515 that is inserted into the guide groove 120.

[0031] like Figure 1-5 As shown, the inclinometer probe 200 consists of the following structure:

[0032] Core sensor: A MEMS (Micro-Electro-Mechanical Systems) triaxial accelerometer, encapsulated in an aluminum alloy housing with rollers, typically measuring 80×60×30mm; with a built-in temperature compensation module (such as a built-in temperature sensor to monitor probe temperature, and using a preset compensation curve / algorithm to correct the accelerometer's zero bias and scaling factor).

[0033] Data transmission unit: Integrated RS485 bus, the transmission end of the integrated RS485 bus is electrically connected to the data line 300, supporting multi-device serial networking (up to 32 devices).

[0034] Installation procedure for this inclinometer:

[0035] 1. Select the appropriate number of inclinometer tubes 100 according to the monitoring requirements. When there is only one inclinometer tube 100, the end of the inclinometer tube 100 facing away from the lead wire port 110 needs to be sealed with a threaded cap. When there is more than one inclinometer tube 100, the user needs to connect two adjacent inclinometer tubes 100 together with an internal threaded tube, and ensure that the lead wire ports 110 on the two inclinometer tubes 100 that are furthest apart are distributed opposite each other.

[0036] 2. Grind the mounting surface and threaded mounting base 400 of the cold-formed thin-walled light steel structure to ensure that the threaded mounting base 400 is in a horizontal or vertical position after it is in contact with the mounting surface. Then, fix the threaded mounting base 400 horizontally or vertically on the mounting surface with high-strength screws and leveling shims, along with auxiliary installation tools such as a level and theodolite.

[0037] 3. Connect the corresponding number of inclinometer probes 200 together with hook ropes, and then slide the inclinometer probes 200 into the inclinometer tube 100 one by one, ensuring that the rollers slide in the guide groove 120. At the same time, ensure that the corresponding data cable 300 is placed inside the corresponding wire opening 110. Then, thread the bolt 512 and the threaded sleeve 511 together. After the bolt 512 and the threaded sleeve 511 are connected in place, the sealing cover 513 fits and seals the end of the inclinometer tube 100. At the same time, the second flexible sealing block 530 is inserted into the inside of the wire opening 110. When there is no data cable 300 inside the wire opening 110, the first flexible sealing block 520 and the second flexible sealing block 530 fit and seal the wire opening 110. When a data cable 300 passes through the inside of the wire opening 110, the first flexible sealing block 520 and the second flexible sealing block 530 cooperate to generate elastic deformation and wrap around the data cable 300, so as to achieve the effect of flexibly sealing the gap between the wire opening 110 and the data cable 300.

[0038] The operation procedure of the inclinometer:

[0039] Data acquisition: The MCU unit controls the MEMS triaxial accelerometer to acquire data at a set frequency, and then transmits the data in real time to the reading instrument connected to the data line 300 via the RS485 bus and data line 300.

[0040] Early warning and analysis: The receiving platform generates a displacement-time curve, and an alarm is triggered when the threshold is exceeded (such as a pre-set tilt > 0.1° or displacement rate > 1 mm / day).

[0041] It should be noted that the inclinometer probe 200 and data cable 300 mentioned above are both devices with relatively mature existing technology. The specific models can be selected according to actual needs. At the same time, the external power supply device supplies power to the inclinometer probe 200 through the data cable 300, which will not be described in detail here.

[0042] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A deformation monitoring device for a modular cold-formed thin-walled light steel structure, characterized in that, include: The inclinometer tubes (100) and inclinometer probes (200) are evenly distributed. Adjacent inclinometer tubes (100) are connected by internal thread pipe threads. The opposite ends of the two inclinometer tubes (100) that are furthest apart are provided with wire openings (110) distributed in a ring. The inclinometer probes (200) are slidably connected to the inside of the inclinometer tubes (100). Adjacent inclinometer probes (200) are connected in series by hook ropes. The surface of the inclinometer probes (200) is electrically connected to a data line (300). One end of the data line (300) passes through the adjacent wire openings (110). The surface of the inclinometer tubes (100) is fixedly connected with evenly distributed threaded mounting seats (400). Two sealing connection mechanisms (500) are provided. Each sealing connection mechanism (500) includes a threaded seal (510) and a uniformly distributed first flexible sealing block (520). The threaded seal (510) is installed at one end of an adjacent inclinometer tube (100). The first flexible sealing block (520) is embedded in the inside of a wire port (110). One end of the threaded seal (510) is fixedly connected to a second flexible sealing block (530) that is inserted into the wire port (110). The shape of the first flexible sealing block (520) and the second flexible sealing block (530) combined together is the same as the shape of the wire port (110). The data line (300) is disposed between an adjacent first flexible sealing block (520) and an adjacent second flexible sealing block (530).

2. The deformation monitoring device for modular cold-formed thin-walled light steel structures according to claim 1, characterized in that, The threaded seal (510) includes a threaded sleeve (511) fixedly connected inside the inclinometer tube (100), a bolt (512) is threadedly connected to the inner side of the threaded sleeve (511), and a sealing cap (513) that contacts the adjacent inclinometer tube (100) is rotatably connected to the surface of the bolt (512). One end of the second flexible sealing block (530) is fixedly connected to the sealing cap (513).

3. The deformation monitoring device for modular cold-formed thin-walled light steel structures according to claim 2, characterized in that, The threaded sleeve (511) and bolt (512) are interspersed with the inclinometer probe (200) and the wire opening (110).

4. The deformation monitoring device for modular cold-formed thin-walled light steel structures according to claim 2, characterized in that, One end of the sealing cap (513) is fixedly connected to an O-ring (514), and the O-ring (514) is in contact with the adjacent inclinometer tube (100).

5. The deformation monitoring device for modular cold-formed thin-walled light steel structures according to claim 4, characterized in that, The O-ring (514) is a fluororubber material component. The inner diameter of the O-ring (514) is larger than the inner diameter of the inclinometer tube (100), and the diameter of the O-ring (514) is smaller than the diameter of the inclinometer tube (100).

6. The deformation monitoring device for modular cold-formed thin-walled light steel structures according to claim 5, characterized in that, The first flexible sealing block (520), the second flexible sealing block (530) and the O-ring (514) are all fluororubber material components, and the second flexible sealing block (530) and the O-ring (514) are integrally molded.

7. The deformation monitoring device for modular cold-formed thin-walled light steel structures according to claim 2, characterized in that, The inner side of the inclinometer tube (100) is provided with guide grooves (120) that are staggered with the wire inlet (110), and one end of the sealing cover (513) is fixedly connected to a positioning block (515) that is inserted into the guide groove (120).

8. The deformation monitoring device for modular cold-formed thin-walled light steel structures according to claim 1, characterized in that, The vertical cross-sectional shapes of the wire inlet (110), the first flexible sealing block (520), and the second flexible sealing block (530) are all matched I-shaped.

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