An effective prestress wireless detection device based on inverse pull method

Abstract

The utility model provides an effective prestress wireless detection device based on anti -pull method, including force main part, the upper portion of force main part is equipped with protection subassembly, force main part is inlayed with displacement sensor, the lower part of force main part is connected with force sensor cabin, be equipped with force sensor in force sensor cabin, the bottom of force sensor cabin is connected with flange base, flange base is equipped with data acquisition processing center, displacement sensor with force sensor all establish communication with data acquisition processing center, pass through the analysis of the real -time data of the collection force main part, can efficiently, accurately carry out the detection of prestress, through 433MHz radio frequency communication frequency band and the wireless transmission of data of class Modbus communication protocol, to realize fast, reliable prestress detection, its wireless design simplifies the installation process, reduces maintenance cost, and significantly improves system data acquisition precision and anti -interference ability.

Description

TECHNICAL FIELD

[0001] The utility model relates to building engineering technology and wireless communication technical field especially, it is effective prestress wireless detection device based on reverse pulling method. BACKGROUND

[0002] In the field of building engineering, accurate prestress detection is crucial to ensure the stability and safety of the structure.

[0003] Traditional prestress detection methods usually rely on wired sensing systems, which are not only cumbersome to install, with many precautions, but also have high maintenance costs. In complex detection sites, the wired sensor system will be greatly disturbed when collecting data, affecting the accuracy of data collection.

[0004] In addition, the wired sensing system often cannot collect data quickly or accurately, limiting its application in real-time detection.

[0005] Therefore, there is an urgent need for an effective prestress wireless detection device based on reverse pulling method, which integrates a data acquisition and processing center, analyzes real-time data of the force-bearing body, and can efficiently and accurately detect prestress. UTILITY MODEL CONTENT

[0006] The utility model aims at providing an effective prestress wireless detection device based on reverse pulling method to solve the problems existing in the prior art.

[0007] To achieve the above-mentioned purpose, the utility model provides the following scheme:

[0008] The utility model provides an effective prestress wireless detection device based on reverse pulling method, which comprises a force-bearing body, a protective assembly is arranged on the upper part of the force-bearing body, a displacement sensor is embedded in the force-bearing body, a force sensor cabin is connected to the lower part of the force-bearing body, a force sensor is arranged in the force sensor cabin, a flange base is connected to the bottom of the force sensor cabin, a data acquisition and processing center is arranged on the flange base, and the displacement sensor and the force sensor are both in communication with the data acquisition and processing center.

[0009] Preferably, the force-bearing body is made of bearing steel material.

[0010] Preferably, the force-bearing body comprises a displacement extension rod, the displacement extension rod is connected to the probe of the displacement sensor, limit stop pieces are arranged at both ends of the displacement sensor, a buffer spring is arranged at the end of the displacement sensor away from the displacement extension rod, and spring front plugs and spring tail plugs are arranged at both ends of the buffer spring.

[0011] Preferably, displacement sensor cabin covers are arranged at positions corresponding to the displacement sensor on the outer side of the force-bearing body.

[0012] Preferably, the protection assembly comprises a protection head fixed to the end of the force-bearing body through a baffle, and a dustproof sleeve and a dustproof ring are arranged at the two ends of the protection head respectively, and the displacement extension rod is arranged close to the dustproof sleeve.

[0013] Preferably, a pin hole is arranged at the top of the force sensor cabin, a positioning pin is arranged in the pin hole and is connected with the force-bearing body, a force sensor is arranged in the force sensor cabin, and the top of the force sensor is abutted against the spring tail plug.

[0014] Preferably, flanges are arranged at the top of the flange base and the bottom of the force sensor cabin, and the flanges are fixedly connected through connecting bolts.

[0015] Preferably, the data acquisition and processing center comprises a patch type radio frequency antenna and a rod type radio frequency antenna, and the rod type radio frequency antenna is fixedly connected with the flange base through a radio frequency antenna support.

[0016] Preferably, the data acquisition and processing center is wirelessly communicated with a remote receiving device through a 433MHz radio frequency communication frequency band and a Modbus type communication protocol.

[0017] Compared with the prior art, the utility model discloses the following beneficial technical effects:

[0018] The utility model discloses an effective prestress wireless detection device based on anti -pulling method, including force -bearing body, the upper portion of force -bearing body is equipped with protection assembly, the force -bearing body is inlayed with displacement sensor, the lower part of force -bearing body is connected with force sensor cabin, the force sensor cabin is equipped with force sensor, the bottom of force sensor cabin is connected with flange base, the flange base is equipped with data acquisition and processing center, displacement sensor with force sensor all establish communication with data acquisition and processing center, through the analysis of the real -time data of force -bearing body, can efficiently, accurately carry out the detection of prestress, through 433MHz radio frequency communication frequency band and the wireless transmission of data of Modbus type communication protocol, to realize fast, reliable prestress detection, and its wireless design simplifies the installation process, reduces maintenance cost, and significantly improves system data acquisition precision and anti -interference ability. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0020] Figure 1 The utility model provides a kind of effective prestress wireless detection device structure schematic diagram based on counter pull method for the utility model provides;

[0021] Figure 2 The utility model provides a kind of effective prestress wireless detection device structure schematic diagram based on counter pull method for the utility model provides;

[0022] Figure 3 The utility model provides a kind of effective prestress wireless detection device structure schematic diagram based on counter pull method for the utility model provides;

[0023] Figure 4 The utility model provides a kind of effective prestress wireless detection device structure schematic diagram based on counter pull method for the utility model provides; DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] The utility model aims at providing a kind of effective prestress wireless detection device based on counter pull method to solve the problems existing in prior art.

[0026] To make the above purpose, features and advantages of the utility model more apparent and easy to understand, the utility model is further described in detail in conjunction with the drawings and specific embodiments.

[0027] Embodiment 1:

[0028] The embodiment provides a kind of effective prestress wireless detection device based on counter pull method, as shown in Figure 1 shown, including stress body 5, the upper portion of stress body 5 is equipped with protection assembly, stress body 5 is embedded with displacement sensor 5-4, for gathering the displacement amount generated by measured clamping piece, the lower portion of stress body 5 is connected with force sensor cabin 6, force sensor cabin 6 is equipped with force sensor 6-2, for gathering the pressure borne by this device, the bottom of force sensor cabin 6 is connected with flange base 7, flange base 7 is equipped with data acquisition processing center 8, displacement sensor 5-4 and force sensor 6-2 are all established communication with data acquisition processing center 8.

[0029] As an embodiment, the force-bearing body 5 is made of bearing steel material. The detection device will bear the extrusion force generated during the pulling of the jack during operation. The material requirements for the device are harsh. Therefore, the load-bearing capacity of the force-bearing body 5 and other embedded components needs to be considered comprehensively. By using bearing steel material, the two ends of the force-bearing body 5 can withstand a pressure of 300 KN.

[0030] As an embodiment, please refer to Figure 2 , the force-bearing body 5 includes a displacement extension rod 5-2 connected with the probe of the displacement sensor 5-4, used for extending the probe of the displacement sensor 5-4, and closely attached to the dustproof assembly to balance the measuring point. The two ends of the displacement sensor 5-4 are provided with limit stop pieces 5-3 for limiting the displacement distance of the displacement extension rod 5-2, reducing the probability of damage to the displacement sensor 5-4 when a large frictional impact occurs. The end of the displacement sensor 5-4 away from the displacement extension rod 5-2 is provided with a buffer spring 5-6 for buffering the impact transmitted to the probe of the displacement sensor 5-4 when the measuring clamp is disengaged, protecting the displacement sensor 5-4. The two ends of the buffer spring 5-6 are respectively provided with a spring front plug 5-5 and a spring tail plug 5-7 for plugging the buffer spring 5-6, limiting the tension of the buffer spring 5-6, and simultaneously serving as the upper and lower links.

[0031] As an embodiment, as shown in Figure 1 , the outer side of the force-bearing body 5 is provided with a displacement sensor cabin cover 5-1 at a position corresponding to the displacement sensor 5-4, used for protecting the embedded displacement sensor 5-4.

[0032] As an embodiment, as shown in Figure 1 , the protection assembly includes a protection head 2 for protecting the internal displacement sensor 5-4 and avoiding deformation caused by extrusion. The protection head 2 is fixed to the end of the force-bearing body 1 through a retaining ring 4. The two ends of the protection head 2 are respectively provided with a dustproof sleeve 1 and a dustproof ring 3. The displacement extension rod 5-2 is closely attached to the dustproof sleeve 1, used for preventing dust from entering the sensor body. During operation, the dustproof sleeve 1 closely attaches to the measured clamp to balance the measuring point.

[0033] As an embodiment, as shown in Figure 3 , the top of the force sensor cabin 6 is provided with a pin hole, and a positioning pin 6-1 is arranged in the pin hole and connected with the force-bearing body 5, thereby realizing positioning, linking and fixing. The force sensor cabin 6 is provided with a force sensor 6-2, used for collecting the pressure borne by the device. The top of the force sensor 6-2 abuts against the spring tail plug 5-7.

[0034] As an embodiment, as shown in Figure 4 , the top of the flange base 7 and the bottom of the force sensor cabin 6 are both provided with flanges, and are fixedly connected through connecting bolts 7-1, thereby realizing positioning, linking and fixing.

[0035] As an implementation form, as shown in Figure 4 The data acquisition and processing center 8 includes a patch type radio frequency antenna 8-1 and a rod type radio frequency antenna 8-3 for receiving and transmitting electromagnetic wave signals, and the rod type radio frequency antenna 8-3 is fixedly connected with the flange base 7 through a radio frequency antenna support 8-2.

[0036] As an implementation form, the data acquisition and processing center 8 communicates wirelessly with the remote receiving device through a 433MHz radio frequency communication frequency band and a Modbus-like communication protocol.

[0037] The effective prestress wireless detection device based on the reverse pulling method can accurately collect prestress data in a wide temperature and pressure range, is suitable for instant or on-demand detection scenarios, and can efficiently and accurately detect prestress, the data acquisition and processing center can instantaneously analyze and process the collected data, advanced algorithms are used to ensure the accuracy and reliability of the data, and the data is wirelessly transmitted through a 433MHz radio frequency communication frequency band and a Modbus-like communication protocol, so that the stability and anti-interference capability of data transmission are further improved.

[0038] The principle and implementation form of the utility model are described by applying specific examples, and the above embodiment is only used for helping to understand the method and core idea of the utility model; meanwhile, according to the idea of the utility model, the specific implementation form and application range will be changed by the general technical personnel in the field; in conclusion, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A device for detecting the effective prestress based on the inverse pull-off method, characterized in that: Including the force body, the upper part of the force body is equipped with the protection assembly, the force body is embedded with displacement sensor, the lower part of the force body is connected with force sensor cabin, the force sensor cabin is equipped with force sensor, the bottom of the force sensor cabin is connected with flange base, the flange base is equipped with data acquisition processing center, the displacement sensor and the force sensor are communicated with the data acquisition processing center.

2. The effective prestress wireless detection device based on the inverse pull method according to claim 1, characterized in that: The force body adopts bearing steel material.

3. The effective prestress wireless detection device based on the inverse pull method according to claim 1, characterized in that: The force body includes displacement extension rod, the displacement extension rod is connected with the probe of the displacement sensor, both ends of the displacement sensor are equipped with limit baffle, the end of the displacement sensor away from the displacement extension rod is equipped with buffer spring, both ends of the buffer spring are equipped with spring front plug and spring tail plug.

4. The effective prestress wireless detection device based on the inverse pull method according to claim 3, characterized in that: The outer side of the force body is equipped with displacement sensor cabin cover corresponding to the displacement sensor.

5. The effective prestress wireless detection device based on the inverse pull method according to claim 3, characterized in that: The protection assembly includes protection head, the protection head is fixed on the end of the force body through the stop ring, both ends of the protection head are equipped with dust cover and dust ring, the displacement extension rod is close to the dust cover.

6. The effective prestress wireless detection device based on the inverse pull method according to claim 3, characterized in that: The top of the force sensor cabin is equipped with pin hole, the pin hole is equipped with positioning pin connected with the force body, the force sensor cabin is equipped with force sensor, the top of the force sensor is contacted with the spring tail plug.

7. The effective prestress wireless detection device based on the inverse pull method according to claim 6, characterized in that: The top of the flange base and the bottom of the force sensor cabin are equipped with flange, and are fixed connected through connecting bolt.

8. The effective prestress wireless detection device based on the inverse pull method according to claim 1, characterized in that: The data acquisition processing center includes patch type radio frequency antenna and rod type radio frequency antenna, the rod type radio frequency antenna is fixed connected with the flange base through radio frequency antenna support.

9. The effective prestress wireless detection device based on the inverse pull method according to claim 1, characterized in that: The data acquisition processing center is wirelessly communicated with remote receiving equipment through 433MHz radio frequency communication frequency band and Modbus communication protocol.

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