Intelligent connecting sleeve

Abstract

The utility model discloses an intelligent connection sleeve which comprises an external connection sleeve body, threaded connection holes are formed in the two ends of the external connection sleeve body, the outer side of the middle portion of the external connection sleeve body is sleeved with a steel protection sleeve, and the steel protection sleeve is connected with the external connection sleeve body through fixing screws. A strain type force sensor is arranged between the steel sheath and the external connection cylinder, one end of the steel sheath is outwards provided with a sheath connection port, an output port is arranged in the sheath connection port, a needle type connector is arranged in the output port, and a connection wire of the strain type force sensor is connected with the needle type connector. The device is installed and used in cooperation with steel structures such as a pull rod and an inhaul cable, on the basis that the function and the overall structure of an original steel structure connecting sleeve are not changed, the full-bridge resistance strain gauge is arranged between the steel sheath and the external connection sleeve body, force borne by the steel structures connected to the two ends of the connecting sleeve in a threaded mode is monitored in real time, and the real-time monitoring of the force borne by the steel structures is achieved. The monitoring is more direct and efficient, the integration and intelligence improvement of the steel structure and the monitoring equipment is realized, and the convenience of data detection is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of strain type force detection and monitoring, and in particular to an intelligent connecting sleeve. Background Art

[0002] With the continuous development of my country's economy and the continuous improvement of technology, important civil engineering structures are becoming increasingly large and complex. In long-term use, steel structures are susceptible to damage due to material aging, corrosion, loads and natural disasters, especially the tie rods and cables that play a connecting role. In order to ensure the safety of public venues, it is necessary to monitor the tension and cable forces carried by the steel structure connectors in the venue in real time, and timely understand the changes in their values ​​after being affected by the above environmental factors, so as to deal with potential safety hazards. Traditional steel structure connectors are difficult to realize the monitoring function, and the split design of the monitoring device and structural components also increases the complexity of the system. Therefore, it is urgent to design a detection and monitoring device that can realize real-time monitoring of the internal strain changes of the steel structure to obtain the stress conditions. Utility Model Content

[0003] In order to solve the technical problems mentioned in the background technology, the utility model provides a smart connecting sleeve.

[0004] The utility model adopts the following technical solution: a smart connecting sleeve, comprising an external cylinder body;

[0005] The external cylinder is a hollow cylinder with threaded connection holes at both ends;

[0006] The outer side of the middle part of the external cylinder is sleeved with a steel sheath;

[0007] The steel sheath is connected to the external cylinder by fixing screws;

[0008] A strain force sensor is provided between the steel sheath and the external cylinder;

[0009] One end of the steel sheath is provided with a sheath connection port facing outward;

[0010] An output port is arranged in the sheath connection port;

[0011] A pin connector is provided in the output port;

[0012] The connecting wire of the strain force sensor is connected to the pin connector to transmit the strain data obtained by the strain force sensor to the outside.

[0013] Furthermore, the strain type force sensor is a plurality of full-bridge resistance strain gauges; the plurality of full-bridge resistance strain gauges are arranged close to the outer wall of the external cylinder.

[0014] Furthermore, force grooves for tightening with a wrench are arranged around both ends of the external cylinder.

[0015] Compared with the prior art, the advantages of the utility model are: the intelligent connecting sleeve designed by the utility model is installed and used in conjunction with steel structures such as pull rods and cables. On the basis of not changing the original function and overall structure of the connecting sleeve of the steel structure, by placing a full-bridge resistance strain gauge between the steel sheath and the external cylinder, real-time monitoring of the force borne by the steel structure threaded at both ends of the connecting sleeve is achieved, making the monitoring more direct and efficient, realizing the integrated and intelligent improvement of the steel structure and monitoring equipment, and improving the convenience of data detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a cross-sectional view of the smart connecting sleeve of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall structure of the intelligent connecting sleeve of the utility model.

[0018] in:

[0019] 1-external cylinder, 2-threaded connection hole, 3-steel sheath, 4-fixing screw, 5-strain type force sensor, 6-sheath connection port, 7-output port, 8-pin connector, 9-connecting wire, 10-force groove. DETAILED DESCRIPTION

[0020] In order to facilitate those skilled in the art to understand the technical solution of the utility model, further description is now made with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model.

[0021] In the following detailed description, for ease of explanation, many specific details are set forth to provide a comprehensive understanding of the embodiments of the present invention. However, it is apparent that one or more embodiments may be implemented without these specific details. In addition, in the following description, descriptions of known structures and technologies are omitted to avoid unnecessary confusion of the concepts of the present invention.

[0022] like Figure 1-2As shown, the utility model intelligent connecting sleeve includes an external cylinder 1, which is a hollow cylinder with threaded connection holes 2 at both ends for connecting with a matching pull rod or cable. A steel sheath 3 is sleeved on the outer side of the middle part of the external cylinder 1, and the steel sheath 3 and the external cylinder 1 are connected by fixing screws 4 for easy installation and disassembly. A strain type force sensor 5 is arranged between the steel sheath 3 and the external cylinder 1, and a sheath connection port 6 is arranged outward at one end of the steel sheath 3, an output port 7 is arranged in the sheath connection port 6, and a pin connector 8 is arranged in the output port 7. The connecting wire 9 of the strain type force sensor 5 is connected to the pin connector 8 for transmitting the strain data obtained by the strain type force sensor 5 to the outside. The pin connector 8 is connected to the matching external connector to transmit the obtained strain data to the analysis equipment for data analysis to obtain the force change value of the steel structure. In order to obtain the force value of the steel structure at both ends of the sleeve in a timely and accurate manner, in the specific implementation of this embodiment, the strain type force sensor 5 adopts a plurality of full-bridge resistance strain gauges, and the plurality of full-bridge resistance strain gauges are arranged close to the outer wall of the external cylinder 1.

[0023] In addition, in order to facilitate the installation and connection between the steel structure and the present embodiment, force grooves 10 for tightening with a wrench are arranged around both ends of the external cylinder 1.

[0024] To sum up, the intelligent connecting sleeve designed by the utility model is installed and used in conjunction with steel structures such as pull rods and cables. On the basis of not changing the original function and overall structure of the connecting sleeve of the steel structure, by placing a full-bridge resistance strain gauge between the steel sheath and the external cylinder, real-time monitoring of the force borne by the steel structure threaded at both ends of the connecting sleeve is achieved, making the monitoring more direct and efficient, realizing the integrated and intelligent improvement of the steel structure and monitoring equipment, and improving the convenience of data detection.

[0025] The above embodiments are merely descriptions of the preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A smart connecting sleeve, characterized in that: It comprises an external cylinder (1); The external cylinder (1) is a hollow cylinder, and threaded connection holes (2) are arranged at both ends of the cylinder; The outer side of the middle part of the external cylinder (1) is sleeved with a steel sheath (3); The steel sheath (3) and the external cylinder (1) are connected via fixing screws (4); A strain-type force sensor (5) is arranged between the steel sheath (3) and the external cylinder (1); One end of the steel sheath (3) is provided with a sheath connection port (6) facing outward; An output port (7) is arranged in the sheath connection port (6); A pin connector (8) is arranged in the output port (7); The connecting wire (9) of the strain type force sensor (5) is connected to the pin connector (8) and is used to transmit the strain data acquired by the strain type force sensor (5) to the outside.

2. The smart connection sleeve according to claim 1, characterized in that: The strain type force sensor (5) is a plurality of full-bridge resistance strain gauges; the plurality of full-bridge resistance strain gauges are arranged in close contact with the outer wall of the external cylinder (1).

3. The smart connection sleeve according to claim 2, characterized in that: Both ends of the external cylinder (1) are arranged around the body with force grooves (10) for tightening with a wrench.

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