Fabricated building structure deformation rapid detection device

Abstract

The utility model discloses a device for rapidly detecting the structural deformation of a fabricated building, which relates to the technical field of building monitoring appliances and comprises a strain sensor, a wireless transmission module and a detection shaft, and the detection shaft is connected with the strain sensor through a detachable connection structure. The detachable connecting structure comprises a connecting shaft, an internal thread cylinder and a supporting spring, the connecting shaft is fixed to the side end of the strain sensor, the end, away from the strain sensor, of the connecting shaft is provided with a second thread section, the end, close to the strain sensor, of the detection shaft is provided with a first thread section, and the internal thread cylinder is connected between the second thread section and the first thread section in a threaded and sleeved mode. The supporting spring sleeves the outer side of the connecting shaft, and the supporting spring is connected between the internal thread cylinder and the strain sensor. The internal thread cylinder can be stably located between the second thread section and the first thread section under the supporting effect of the supporting spring and is not prone to loosening due to external vibration, and deformation detection is more stable and reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to building monitoring tool technical field, especially a kind of structural deformation quick detection device of assembly type building. BACKGROUND

[0002] The structural deformation of assembly type building indicates that the building can be in unreliable state, and the building can be in unreliable state due to earthquake, blasting or other factors, excessive deformation leads to building damage or even collapse, some small vibration, human body can not perceive, but for building, it can still cause structural damage, so structural deformation quick detection device needs to be used.

[0003] Regarding the structural deformation quick detection device of assembly type building, through retrieval, for example, patent announcement No. CN221551306U provides a kind of early warning equipment for detecting building floor instability, including several floor installation plates and several strain sensors, several floor installation plates are respectively arranged at the outer wall of each floor of building, the side of floor installation plate is fixedly connected with support block, support block is provided with round hole, detection shaft is fixedly installed in the inside of round hole, strain sensor is arranged between every two detection shafts;By setting detection shaft between each floor, and setting strain sensor between every two detection shafts, when instability deformation occurs in a floor, instability deformation amount can be transmitted to strain sensor through detection shaft, i.e. instability monitoring and early warning can be carried out on each floor, with high safety, and by rotating internal thread sleeve ring on threaded shaft one and threaded shaft two, strain sensor and detection shaft can be quickly installed, convenient to use.

[0004] Based on the above retrieval, combined with prior art, it is found that the detection device similar to the above disclosed in prior art only uses internal thread ring to relatively fix detection shaft and strain sensor, however, in use, external vibration can cause internal thread ring to loosen, causing strain sensor to separate from detection shaft. Therefore, a structural deformation quick detection device of assembly type building is proposed to improve the above problems. UTILITY MODEL CONTENTS

[0005] The purpose of the present application is to provide a structural deformation quick detection device of assembly type building to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the present application provides the following technical solution: a structural deformation quick detection device of assembly type building, including strain sensor, wireless transmission module and detection shaft, wireless transmission module is installed on strain sensor, detection shaft and strain sensor are connected through detachable connecting structure, and the detachable connecting structure includes:

[0007] The connecting shaft is fixed to the side end of the strain sensor, and the end of the connecting shaft away from the strain sensor is provided with a threaded segment two; the detection shaft is provided with a threaded segment one close to the strain sensor;

[0008] The internally threaded cylinder is threadedly sleeved between the threaded segment two and the threaded segment one;

[0009] The supporting spring is sleeved outside the connecting shaft and is connected between the internally threaded cylinder and the strain sensor.

[0010] As a further supplement to the scheme, the protective sleeve is sleeved outside the connecting shaft, the protective sleeve is rotationally connected to one end of the internally threaded cylinder close to the strain sensor, and the other end of the protective sleeve is fixed to the strain sensor through the supporting spring.

[0011] As a further supplement to the scheme, the second sealing ring is fixed to the inner wall of one end of the protective sleeve close to the strain sensor and is attached to the connecting shaft.

[0012] As a further supplement to the scheme, the limiting ring is fixedly sleeved on the detection shaft and is located on the side of the threaded segment one away from the strain sensor.

[0013] As a further supplement to the scheme, the first sealing ring is fixed to the end face of one end of the limiting ring close to the strain sensor.

[0014] As a further supplement to the scheme, a plurality of protective balls are movably installed in an array outside the internally threaded cylinder.

[0015] In summary, the technical effects and advantages of the utility model are as follows:

[0016] 1. In the utility model, the supporting spring is arranged between the internally threaded cylinder and the strain sensor, the internally threaded cylinder can be stably positioned between the threaded segment two and the threaded segment one under the supporting action of the supporting spring, is not prone to loosening due to external vibration, and deformation detection is more stable and reliable.

[0017] 2. In the utility model, the second sealing ring is fixed to the inner wall of one end of the protective sleeve close to the strain sensor and is attached to the connecting shaft, and the first sealing ring is fixed to the end face of one end of the limiting ring close to the strain sensor, so that the first sealing ring and the second sealing ring can effectively prevent external moisture from entering and corroding the threaded structure, and facilitate post-disassembly and replacement operation.

[0018] 3. In the utility model, a plurality of protective balls are movably installed in an array outside the internally threaded cylinder, the arranged protective balls can effectively prevent the internally threaded cylinder from loosening due to external collision, the arranged protective balls will not hinder the quick disassembly of the internally threaded cylinder, and when disassembling, the operator can rotate the internally threaded cylinder by holding the outside of the internally threaded cylinder. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this application 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 only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the three-dimensional structure in this embodiment;

[0021] Figure 2 for Figure 1 A diagram illustrating the split structure in the diagram;

[0022] Figure 3 This is a schematic diagram of the disassembled structure of the detachable connection structure in this embodiment;

[0023] Figure 4 This is a schematic diagram of the internally threaded cylinder in this embodiment.

[0024] In the diagram: 1. Strain gauge sensor; 2. Wireless transmission module; 3. Detection shaft; 31. Threaded section one; 4. Connecting shaft; 41. Threaded section two; 5. Internal threaded cylinder; 6. Support spring; 7. Protective sleeve; 8. Limiting ring; 9. First sealing ring; 10. Second sealing ring; 11. Protective ball bearing. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example: Reference Figures 1-4 The device shown is a rapid detection device for structural deformation of prefabricated buildings, including a strain gauge sensor 1, a wireless transmission module 2, and a detection shaft 3. The wireless transmission module 2 is installed on the strain gauge sensor 1, and the strain gauge sensor 1 is wirelessly connected to a computer terminal through the wireless transmission module 2. It can remotely monitor the structural deformation of prefabricated buildings. The above-mentioned deformation detection using the strain gauge sensor 1 and remote monitoring using the wireless transmission module 2 can be achieved using conventional technical means, and will not be elaborated here.

[0027] The detection shaft 3 is connected with the strain sensor 1 through a detachable connection structure, the detachable connection structure comprises a connecting shaft 4, an internally threaded cylinder 5 and a supporting spring 6, the connecting shaft 4 is fixed to the side end of the strain sensor 1, the end of the connecting shaft 4 away from the strain sensor 1 is provided with a threaded segment two 41, the end of the detection shaft 3 close to the strain sensor 1 is provided with a threaded segment one 31, the internally threaded cylinder 5 is threadedly sleeved between the threaded segment two 41 and the threaded segment one 31, the supporting spring 6 is sleeved on the outer side of the connecting shaft 4, and the supporting spring 6 is connected between the internally threaded cylinder 5 and the strain sensor 1.

[0028] The internally threaded cylinder 5 can be stably positioned between the threaded segment two 41 and the threaded segment one 31 under the support of the supporting spring 6, is not easy to be loosened by external vibration, and makes deformation detection more stable and reliable.

[0029] It should be further explained that the structural deformation rapid detection device of the prefabricated building is formed by a plurality of strain sensors 1 and detection shafts 3 installed at intervals, and the specific number is determined by the height of the prefabricated building, that is, one strain sensor 1 is arranged between two adjacent detection shafts 3, and one wireless transmission module 2 is arranged corresponding to each strain sensor 1, so that rapid deformation detection of each floor can be realized.

[0030] In addition, the structural deformation rapid detection device of the prefabricated building further comprises a protective sleeve 7, the protective sleeve 7 is sleeved on the outer side of the connecting shaft 4, one end of the protective sleeve 7 close to the strain sensor 1 is rotationally connected with the internally threaded cylinder 5, and the other end of the protective sleeve 7 is fixed with the strain sensor 1 through the supporting spring 6. On the one hand, the rotationally connected arrangement of the protective sleeve 7 and the internally threaded cylinder 5 can avoid that the supporting spring 6 rotates with the internally threaded cylinder 5, and on the other hand, the protective sleeve 7 can protect the threaded segment two 41 not covered by the internally threaded cylinder 5 in the state that the internally threaded cylinder 5 is connected with the threaded segment one 31, wherein in order to better protect the threaded segment two 41 not covered by the internally threaded cylinder 5, a second sealing ring 10 abutting with the connecting shaft 4 is fixed to the inner wall of the end of the protective sleeve 7 close to the strain sensor 1, so that external water vapor is effectively prevented from entering to corrode the threaded structure.

[0031] The detection shaft 3 is connected with the strain sensor 1 through a detachable connection structure, the detachable connection structure comprises a connecting shaft 4, an internally threaded cylinder 5 and a supporting spring 6, the connecting shaft 4 is fixed to the side end of the strain sensor 1, the end of the connecting shaft 4 away from the strain sensor 1 is provided with a threaded segment two 41, the end of the detection shaft 3 close to the strain sensor 1 is provided with a threaded segment one 31, the internally threaded cylinder 5 is threadedly sleeved between the threaded segment two 41 and the threaded segment one 31, the supporting spring 6 is sleeved on the outer side of the connecting shaft 4, and the supporting spring 6 is connected between the internally threaded cylinder 5 and the strain sensor 1.

[0032] In addition, the outer side of the inner threaded cylinder 5 is movably mounted with a plurality of protective balls 11, which can effectively prevent the inner threaded cylinder 5 from loosening due to external impact, and when disassembling, the operator can rotate the inner threaded cylinder 5 by holding the outer part of the inner threaded cylinder 5, that is, the protective balls 11 will not hinder the quick disassembly of the inner threaded cylinder 5.

[0033] The working principle of the utility model is: the detection device is vertically installed at each floor outer wall of the fabricated building by the fixing structure, the inner threaded cylinder 5 is screwed between the threaded section two 41 and the threaded section one 31 by rotating the inner threaded cylinder 5, and the installation is completed; in the use process, when a floor deforms, the deformation amount is transmitted to the strain sensor 1 through the detection shaft 3, and the rapid deformation detection of each floor is realized.

[0034] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A prefabricated building structure deformation quick detection device, comprising a strain sensor (1), a wireless transmission module (2) and a detection shaft (3), the wireless transmission module (2) is installed on the strain sensor (1), the detection shaft (3) and the strain sensor (1) are connected through a detachable connection structure, characterized in that, The detachable connecting structure comprises: a connecting shaft (4) fixed to the side end of the strain sensor (1), the end of the connecting shaft (4) away from the strain sensor (1) is provided with a threaded segment two (41), the end of the detection shaft (3) close to the strain sensor (1) is provided with a threaded segment one (31); an internally threaded cylinder (5) threadedly sleeved between the threaded segment two (41) and the threaded segment one (31); a supporting spring (6) sleeved outside the connecting shaft (4) and connected between the internally threaded cylinder (5) and the strain sensor (1).

2. The device for quickly detecting structural deformation of a fabricated building according to claim 1, characterized in that: Further comprising a protective sleeve (7) sleeved outside the connecting shaft (4), the protective sleeve (7) is rotationally connected to the end of the internally threaded cylinder (5) close to the strain sensor (1), and the other end of the protective sleeve (7) is fixed to the strain sensor (1) through the supporting spring (6).

3. The device for quickly detecting structural deformation of a fabricated building according to claim 2, characterized in that: The end of the protective sleeve (7) close to the strain sensor (1) is fixed with a second sealing ring (10) matched with the connecting shaft (4).

4. The device for quickly detecting structural deformation of a fabricated building according to claim 1, characterized in that: A limiting ring (8) is fixedly sleeved on the detection shaft (3), and the limiting ring (8) is located on the side of the threaded segment one (31) away from the strain sensor (1).

5. The device for quickly detecting structural deformation of a fabricated building according to claim 4, characterized in that: The end face of the limiting ring (8) close to the strain sensor (1) is fixed with a first sealing ring (9).

6. The device for quickly detecting structural deformation of a fabricated building according to claim 1, characterized in that: A plurality of protective balls (11) are movably installed outside the internally threaded cylinder (5).

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