CN210946915U

CN210946915U - Prestressed pipe pile stress sensor

Info

Publication number: CN210946915U
Application number: CN201921478213.XU
Authority: CN
Inventors: 陈吉果; 陈克学; 黄吉宁
Original assignee: Changde Dinghai Concrete Pile Co ltd
Current assignee: Changde Dinghai Concrete Pile Co ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-07-07
Anticipated expiration: 2029-09-05

Abstract

The utility model relates to a prestressed pipe pile technical field just discloses a prestressed pipe pile force transducer, including prestressed pipe pile structure, the reinforcing bar hole has been seted up to the port department of prestressed pipe pile structure, the quantity in reinforcing bar hole is a plurality of, and installs force transducer between the adjacent reinforcing bar hole, and prestressed pipe pile structure port department force transducer's quantity is four, and four force transducer distribute in the port department of prestressed pipe pile structure with the form of symmetry. The stress condition of the prestressed pipe pile is detected through the stress sensor, the prestressed pipe pile is divided into a plurality of regions, force measurement is optimized in each region, accuracy of equipment is improved, the prestressed pipe pile is connected with the stress sensor through the signal amplifier, stress measurement data of the prestressed pipe pile are amplified, and the wireless transmission module inside the signal amplifier is matched, so that remote wireless data transmission can be realized, equipment is very convenient to install, and the stress condition of the prestressed pipe pile can be known in time.

Description

Prestressed pipe pile stress sensor

Technical Field

The utility model relates to a prestressed pipe pile technical field specifically is a prestressed pipe pile stress sensor.

Background

The prestressed concrete tubular pile can be divided into a post-tensioning prestressed tubular pile and a pre-tensioning prestressed tubular pile. The pre-tensioning prestressed pipe pile is a hollow cylindrical elongated concrete prefabricated member made up by adopting pre-tensioning prestressed process and centrifugal forming method, mainly formed from cylindrical pile body, end plate and steel ferrule.

The stress sensor for the prestressed pipe pile is used for detecting the stress condition of the prestressed pipe pile, analyzing the stress information in time and knowing the pressure born by the prestressed pipe pile. The existing stress sensor has a poor structure, can not detect and analyze the stress conditions of different parts of the prestressed pipe pile, so that the stress condition of the prestressed pipe pile is not clear, and the analysis error is easily caused, thereby influencing the use of the prestressed pipe pile.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a stress tube stake atress sensor in advance possesses the multistage atress of distributing type and responds to the advantage, has solved current stress sensor and can not carry out the detection and analysis to the atress condition at the different positions of stress tube stake in advance, and the pressurized situation that leads to stress tube stake in advance is unclear, causes the error nature of analysis easily to influence the problem that stress tube stake in advance used.

The utility model provides a following technical scheme: the utility model provides a prestressed pipe pile force transducer, includes prestressed pipe pile structure, the reinforcing bar hole has been seted up to the port department of prestressed pipe pile structure, the quantity in reinforcing bar hole is a plurality of, and adjacent install force transducer between the reinforcing bar hole, prestressed pipe pile structure port department force transducer's quantity is four, and four force transducer distribute in the port department of prestressed pipe pile structure with the form of symmetry, and the inside fixed mounting of prestressed pipe pile structure has signal amplifier, force transducer's lateral surface is equipped with the output, signal amplifier's the outside is equipped with the input, be connected through the connecting wire between output and the input.

Preferably, the connection line includes a power line, a signal line, a GND line, and a shield line inside.

Preferably, the signal amplifier can be installed in the prestressed pipe pile structure or fixedly installed on the inner side of the inner wall of the pipe orifice of the prestressed pipe pile structure.

Preferably, the signal amplifier is of a four-port structure, and a circuit board inside the signal amplifier is provided with a wireless transmission module.

Preferably, the top of force sensor is equipped with the atress and surveys the power end, and the top of atress and survey the power end installs the elastomer, and the elastomer is located the inside surface connection of force sensor and has resistance strain gauge.

Preferably, the number of the force-bearing ends and the elastic bodies on the top of the force-bearing sensor is six, and the six force-bearing ends and the elastic bodies are distributed on the top of the force-bearing sensor in an equidistant annular form.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this stress tube stake stress sensor in advance, detect the stress situation of stress tube stake in advance through stress sensor, the stress condition at the different positions of stress tube stake can be detected to stress sensor's quantity and distribution situation, four stress sensor just distribute in four regions of stress tube stake in advance, and every stress sensor is last to have including multiunit stress force measuring end, so can the stress situation of perception different positions, design through the structure, stress tube stake in advance has been divided into a plurality of regions, optimize the dynamometry to every region, improve the accurate nature of equipment.

2. This stress tube stake atress sensor in advance is connected with stress sensor through signal amplifier, enlargies stress tube stake atress measured data in advance, and cooperates the inside wireless transmission module of signal amplifier, can realize long-range wireless data transmission for the installation of equipment is very convenient, and can in time know the atress condition of stress tube stake in advance.

Drawings

FIG. 1 is a schematic view of the structure of the prestressed pipe pile of the present invention;

FIG. 2 is a schematic view of the connection of the force measuring mechanism of the present invention;

FIG. 3 is an external view of the structure of the force sensor of the present invention;

fig. 4 is the structural schematic diagram of the force sensor of the present invention.

In the figure: 1. a prestressed pipe pile structure; 2. reinforcing steel bar holes; 3. a force sensor; 4. a force-bearing end; 5. an elastomer; 6. an output end; 7. a signal amplifier; 8. an input terminal.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a prestressed pipe pile stress sensor includes a prestressed pipe pile structure 1, a plurality of reinforcement holes 2 are opened at the port of the prestressed pipe pile structure 1, stress sensors 3 are installed between adjacent reinforcement holes 2, the number of the stress sensors 3 at the port of the prestressed pipe pile structure 1 is four, four stress sensors 3 are symmetrically distributed at the port of the prestressed pipe pile structure 1, a stress measuring end 4 is installed at the top of the stress sensor 3, an elastic body 5 is installed at the top of the stress measuring end 4, the outer surface of the elastic body 5 inside the stress sensor 3 is connected with a resistance strain gauge, the elastic body 5 generates elastic deformation under the action of pressure, so that the resistance strain gauge connected with the elastic body also generates deformation, and the resistance value of the resistance strain gauge increases or decreases along with the deformation state after the resistance strain gauge generates deformation, the resistance change is converted into an electric signal through a corresponding measuring circuit, so that the transmission of the electric signal is convenient through a connecting wire, the number of the stress measuring ends 4 and the elastic bodies 5 at the top of the stress sensor 3 is six, the six stress measuring ends 4 and the elastic bodies 5 are distributed at the top of the stress sensor 3 in an equidistant annular form, the stress condition of the prestressed pipe pile is detected through the stress sensor 3, the stress conditions of different parts of the prestressed pipe pile can be detected through the number and the distribution condition of the stress sensor 3, the four stress sensors 3 are just distributed in four areas of the prestressed pipe pile, each stress sensor 3 is provided with a plurality of groups of stress measuring ends 4, so that the stress conditions of different positions can be sensed, the prestressed pipe pile is divided into a plurality of areas through the structural design, the force measurement of each area is optimized, and the accuracy of equipment is improved, the signal amplifier 7 is fixedly arranged inside the prestressed pipe pile structure 1, the signal amplifier 7 can be arranged inside the prestressed pipe pile structure 1 or fixedly arranged on the inner side of the inner wall of the pipe orifice of the prestressed pipe pile structure 1, the signal amplifier 7 is of a four-port structure, a wireless transmission module is arranged on a circuit board inside the signal amplifier 7, the signal amplifier 7 is connected with the stress sensor 3 to amplify the stress measurement data of the prestressed pipe pile, and the wireless transmission module inside the signal amplifier 7 is matched to realize remote wireless data transmission, so that the equipment is very convenient to install and the stress condition of the prestressed pipe pile can be known in time, the output end 6 is arranged on the outer side surface of the stress sensor 3, the input end 8 is arranged outside the signal amplifier 7, and the output end 6 is connected with the input end 8 through a connecting wire, the connecting wire internally comprises a power line, a signal line, a GND line and a shielding line.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stress tube stake atress sensor in advance, includes stress tube stake structure (1), its characterized in that: reinforcing bar hole (2) have been seted up to the port department of prestressing force tubular pile structure (1), the quantity in reinforcing bar hole (2) is a plurality of, and adjacent install stress sensor (3) between reinforcing bar hole (2), the quantity of stress sensor (3) of prestressing force tubular pile structure (1) port department is four, and four stress sensor (3) distribute in the port department of prestressing force tubular pile structure (1) with the form of symmetry, and the inside fixed mounting of prestressing force tubular pile structure (1) has signal amplifier (7), the lateral surface of stress sensor (3) is equipped with output (6), the outside of signal amplifier (7) is equipped with input (8), be connected through the connecting wire between output (6) and input (8).

2. The prestressed pipe pile force sensor according to claim 1, characterized in that: the connecting wire comprises a power line, a signal line, a GND line and a shielding line.

3. The prestressed pipe pile force sensor according to claim 1, characterized in that: the signal amplifier (7) can be installed in the prestressed pipe pile structure (1) or fixedly installed on the inner side of the inner wall of the pipe orifice of the prestressed pipe pile structure (1).

4. The prestressed pipe pile force sensor according to claim 1, characterized in that: the signal amplifier (7) is of a four-port structure, and a wireless transmission module is installed on a circuit board inside the signal amplifier (7).

5. The prestressed pipe pile force sensor according to claim 1, characterized in that: the top of force sensor (3) is equipped with atress force measuring end (4), and elastomer (5) are installed at the top of atress force measuring end (4), and elastomer (5) are located the inside surface connection of force sensor (3) and have resistance strain gauge.

6. The prestressed pipe pile force sensor according to claim 5, wherein: the number of the stress measuring ends (4) and the elastic bodies (5) at the top of the stress sensor (3) is six, and the six stress measuring ends (4) and the elastic bodies (5) are distributed at the top of the stress sensor (3) in an equidistant annular form.