CN2798067Y

CN2798067Y - Digital display type stretching integrated measurer

Info

Publication number: CN2798067Y
Application number: CN 200520009477
Authority: CN
Inventors: 王继成
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-06-14
Filing date: 2005-06-14
Publication date: 2006-07-19
Anticipated expiration: 2015-06-14

Abstract

The utility model relates to a digital display type stretching integrated tester which is composed of a main tester and a secondary tester of which the structure is the same as the main tester, wherein the main tester comprises a power supply interface arranged on a box body, a power supply switch, a pressure sensor interface, a displacement sensor interface, a communication interface, a printing interface, a display screen and press keys. The utility model is characterized in that a center module is arranged in the box body of the main tester; a clock module, a storage device, an LCD module, a radio transmitting module, a radio receiving module, a communication module and a work power supply are connected with the center module. The utility model has strong adaptability. The main tester and the secondary tester can transmit and receive signals by the radio transmission mode and can display the data, so that the stretching construction can synchronously carry out. Consequently, the artificial errors are reduced to ensure the quality of the building members. The utility model can also automatically obtain the coefficient of the friction resistance of an oil pressure pipeline according to the recorded information so as to conveniently calculate the effective prestress.

Description

Digital display type tension integration testing instrument

Technical field

The utility model relates to the prestress engineering testing tool, is specifically related to digital display type tension integration testing instrument.

Background technology

For a long time, the size of stretching force is controlled in the prestress engineering construction purely by manually-operated adjusting oil pressure valve, visual inspection tensimeter, the human factor influence is very big, it is very difficult will detecting every set quota in work progress, not only the size of a latching force after putting is had no way of learning, and can't know the frictional resistance of pipeline and ground tackle in the stretch-draw, so construction quality is difficult to guarantee.When particularly carrying out the synchronous tension construction, rely on intercom call, be difficult to guarantee the quality of synchronous tension construction at beam body two ends.The disclosed name of CN1373347A is called " integrated autocontrol tester for prestressed stretch-draw anchor " and pre-stress stretching device matching used with it, for the problem that solves prestress engineering constructing operation and technical indicator test existence provides new approach, this system both can carry out tensioning construction to the beam body, can detect correction to the quality behind the tensioning construction again, can also be according to designing requirement, the stress of simulating beam body in operation carried out the synchronous tension construction of many tops, to reduce the injury to the beam body.But " integrated autocontrol tester for prestressed stretch-draw anchor " can only be used with the tensioning equipment of exploitation simultaneously, inconvenient and multiple existing tensioning equipment is used, in addition, when the prestress synchronous tension is constructed, adopt wire transmission mode, use inconvenience, therefore apply being subjected to certain influence.

Summary of the invention

The purpose of this utility model provides a kind of digital display type tension integration testing instrument, it can be used with multiple existing tensioning equipment, realize the synchronous tension of beam body is constructed by wireless transmission method, in the stretching force of testing stretching process central sill body two ends, displacement parameter, synchronous video data, and can gather in real time, take a sample, preservation and print data, reduce personal error, improve the precision of two ends synchronous tension, guarantee the quality of beam body.

Digital display type tension integration testing instrument described in the utility model, by a main tester A and from tester B forms identical of structure with it, main tester A or from tester B, comprise the power interface that is located on the casing, power switch, pressure sensor interface, the displacement transducer interface, the communication interface printing interface, display screen, acknowledgement key, cancel key, "+" key and "-" key, it is characterized in that: at main tester A or in the casing of tester B, be provided with center module, the clock module that connects with center module, storer, LCD MODULE, wireless transmitter module, wireless receiving module, communication module and working power.

Power interface on the casing connects with working power in the casing through power switch; The AN0 pin of the center module in pressure sensor interface and the casing connects, and connects with the 18V voltage of working power in the casing;

The AN1 pin of the center module in the displacement transducer interface on the casing and the casing connects, and connects with the 18V voltage of working power in the casing;

Communication interface on the casing connects with the T20UT of communication module, R2IN, T1OUT and R1IN pin;

RD0, RD1, RD2, RD3, RD4, RD5, RD6, RD7, RB6 and the RB7 pin of the center module in the printing interface on the casing and the casing connect; Display screen on the casing is corresponding with the LCD MODULE in the casing;

RB2, the RB0 pin of the center module in the acknowledgement key on the casing and the casing connect; Cancel key connects with RB5, the RB2 pin of center module; "+" key connects with RB1, the RB0 pin of center module; "-" key connects with RB5, the RB1 pin of center module.

Described digital display type tension integration testing instrument, the model of its center module are PIC16F877A, and its VDD and GND pin connect with the 5V voltage of working power; The model of clock module is DS1302, connects with RA2, RC6, RC7, VDD and the GND pin of center module; The model of storer is AT24C256, connects with RC3, RC4, VDD and the GND pin of center module; The model of LCD MODULE is 1602, by the contact pin 16PIN LCD of main circuit board, connects with RA4, RA5, RD4, RD5, RD6, RD7, VDD and the 6ND pin of center module; The model of wireless transmitter module is RF0, connects with RB3, the RD0 pin of center module, and connects with the 12V voltage of working power; The model of wireless receiving module is RF1, connects with RB4, VDD and the GND pin of center module; The model of communication module is MAX232, connects with RX, the TX pin of center module.

Because main tester A of the present utility model is with identical from the structure of tester B, so, when carrying out stretching construction, can set arbitrarily, and can be used with existing multiple stretch-draw mechanism, applicability is strong.The center module of tester is equipped with special software, can handle the data of receiving.Display screen can show in time that time, flowing water show stretching force and displacement data, and storer can be selected the stretching force and the displacement data of storage tensioning construction process.In the stretching construction process, main tester by wireless transmitter module with pulling force and displacement to from the tester emission, after receiving from the wireless receiving module of tester, show by display screen; Simultaneously, by wireless transmitter module pulling force and displacement are launched to main tester, after the wireless receiving module of main tester is received, be kept at storer, and show by display screen from tester; Operating personnel at building girder body two ends stretch-draw machine can see pulling force and displacement data from display screen respectively, and in time regulate pressure valve, keep stretching construction to carry out synchronously, thereby reduce personal error, improve the precision of prestress synchronous tension, guarantee the building element quality.

Description of drawings

Fig. 1 is a main tester of the present utility model or from tester profile synoptic diagram.

Fig. 2 is a main tester or from the rear view of tester casing.

Fig. 3 is a main tester of the present utility model or from the circuit diagram of tester.

Fig. 4 is to use the utility model the building girder body to be carried out the synoptic diagram of synchronous tension construction.

Embodiment

Referring to Fig. 1, Fig. 2 and Fig. 3, be that the center module 13 of PIC16F877A is installed on the circuit board with model, center module is equipped with special software, and the data of receiving are handled; Be that the clock module 14 of DS1302 connects with RA2, RC6, RC7, VDD and the GND pin of center module 13 again with model; Model is that the storer 15 of AT24C256 connects with RC3, RC4, VDD and the GND pin of center module 13; Model is the contact pin 16PIN LCD of 1602 LCD MODULE 16 by main circuit board, connects with RA4, RA5, RD4, RD5, RD6, RD7, VDD and the GND pin of center module 13; Model is that the wireless transmitter module 17 of RF0 connects with RB3, the RD0 pin of center module 13, and connects with the 12V voltage of working power 20; Model is that the wireless receiving module 18 of RF1 connects with RB4, VDD and the GND pin of center module 13; Model is that the communication module 19 of MAX232 connects with RX, the TX pin of center module 13; Then, with circuit board in casing 1, and the power interface 2 on the casing 1 is connected with working power 20 in the casing through power switch 3, the AN0 pin of the center module 13 in the pressure sensor interface 4 on the casing 1 and the casing connects, and connect with the 18V voltage of working power 20, the AN1 pin of the center module 13 in displacement transducer interface 5 and the casing connects, and connect with the 18V voltage of working power 20, the T2OUT of communication interface 6 and communication module 19, R2IN, T1OUT and R1IN pin connect, the RD0 of printing interface 7 and center module, RD1, RD2, RD3, RD4, RD5, RD6, RD7, RB6 and RB7 pin connect, display screen 8 is corresponding with LCD MODULE 16, the RB2 of acknowledgement key 9 and center module, the RB0 pin connects, the RB5 of cancel key 10 and center module, the RB2 pin connects; "+" key 11 connects with RB1, the RB0 pin of center module; "-" key 12 connects with RB5, the RB1 pin of center module, and center module 13VDD and GND pin connect with the 5V voltage of working power 20, promptly are assembled into main tester A.Can be assembled into from tester B according to above step.Main tester A can set arbitrarily during use with identical from tester B structure.

Referring to Fig. 4, when using the utility model that the building girder body is carried out the prestress synchronous tension, earlier stretch-draw machine 22 is installed respectively at the two ends of building girder body 21, pressure transducer 4a on the stretch-draw machine of the pressure sensor interface 4 of a main tester A and building girder body one end is connected, displacement transducer 5a on displacement transducer interface 5 these stretch-draw machines connects, and power interface 2 connects with external power supply; To be connected with pressure transducer 4a on the building girder body other end stretch-draw machine from the pressure sensor interface 4 of tester B again, displacement transducer interface 4 is connected with displacement transducer 5a on this stretch-draw machine, power interface 2 connects with external power supply, promptly finishes the preliminary work of tensioning construction.

Before the beginning stretch-draw, open main tester A, the power switch 3 from the tester B casing simultaneously, click cancel key 10 and remove original data; Secondary is clicked cancel key and is selected the start time, and after clicking 9 affirmations of affirmation button, clicks the data of "+" key 11 or 12 pairs of settings of "-" key and adjust; Click cancel key 10 input stretch-draw machine jack oil cylinder areas for three times and set stress emission critical value.

Main tester A and adjust to set from tester B and can carry out tensioning construction after finishing, when stretching force reaches the emission critical value, main tester by wireless transmitter module with pressure and displacement to launching from tester, after receiving from the wireless receiving module of tester, show by display screen; Simultaneously, by wireless transmitter module pressure and displacement are launched to main tester, after the wireless receiving module of main tester is received, be kept in the storer, and show by display screen from tester; The operating personnel of building girder body two ends stretch-draw machine can see pressure and displacement data from display screen respectively, and adjust pressure valve, keep stretching construction to carry out synchronously, thereby reduce personal error, improve the precision of prestress synchronous tension, guarantee the building element quality.

After stretching construction finished, PC connected with communication interface, and the data that are kept in the tester are read, handle and print.Perhaps printer connects with the printing interface of main tester, realizes on-the-spot simple the printing.If require pipe friction, can preestablish stretching mode, according to drawing construction note can obtain the coefficient of friction resistance of oil pressure pipeline automatically, be convenient to calculate effective prestress.

Claims

1, digital display type tension integration testing instrument, by a main tester A and from tester B forms identical of structure with it, main tester A or comprise power interface (2), power switch (3), pressure sensor interface (4), displacement transducer interface (5), communication interface (6), printing interface (7), display screen (8), acknowledgement key (9), cancel key (10), "+" key (11) and "-" key (12) that is located on the casing (1) from tester B is characterized in that:

Be provided with center module (13) at main tester A or in the casing of tester B, the clock module that connects with center module (14), storer (15), LCD MODULE (16), wireless transmitter module (17), wireless receiving module (18), communication module (19) and working power (20); Power interface (2) connects with working power (20) through power switch (3); Pressure sensor interface (4) connects with the AN0 pin of center module (13), and connects with the 18V voltage of working power (20); Displacement transducer interface (5) connects with the AN1 pin of center module (13), and connects with the 18V voltage of working power (20); Communication interface (6) connects with T2OUT, R2IN, T1OUT and the R1IN pin of communication module (19); Printing interface (7) connects with RD0, RD1, RD2, RD3, RD4, RD5, RD6, RD7, RB6 and the RB7 pin of center module; Display screen (8) is corresponding with LCD MODULE (16); Acknowledgement key (9) connects with RB2, the RB0 pin of center module; Cancel key (10) connects with RB5, the RB2 pin of center module; "+" key (11) connects with RB1, the RB0 pin of center module; "-" key (12) connects with RB5, the RB1 pin of center module.

2, digital display type tension integration testing instrument according to claim 1 is characterized in that: the model of center module (13) is PIC16F877A, and its VDD and GND pin connect with the 5V voltage of working power (20).

3, digital display type tension integration testing instrument according to claim 1 and 2 is characterized in that: the model of clock module (14) is DS1302, connects with RA2, VDD and the GND pin of center module (13).

4, digital display type tension integration testing instrument according to claim 1 and 2 is characterized in that: the model of storer (15) is AT24C256, connects with RC3, RC4, VDD and the GND pin of center module (13).

5, digital display type tension integration testing instrument according to claim 1 and 2, it is characterized in that: the model of LCD MODULE (16) is 1602, and the contact pin 16PIN LCD by main circuit board connects with RA4, RA5, RD4, RD5, RD6, RD7, VDD and the GND pin of center module (13).