CN2403013Y - Anchor bolt pulling force tester - Google Patents
Anchor bolt pulling force tester Download PDFInfo
- Publication number
- CN2403013Y CN2403013Y CN 99259043 CN99259043U CN2403013Y CN 2403013 Y CN2403013 Y CN 2403013Y CN 99259043 CN99259043 CN 99259043 CN 99259043 U CN99259043 U CN 99259043U CN 2403013 Y CN2403013 Y CN 2403013Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- sensor
- housing
- lcds
- pulling force
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003321 amplification Effects 0.000 claims abstract description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 5
- 239000011521 glass Substances 0.000 abstract description 5
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 4
- 238000009966 trimming Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Images
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model discloses an anchor bolt pulling force tester which is composed of a housing (10), a sensor (3), a switch (1), a trimming knob (2), a liquid crystal screen (8), a circuit element board (7), etc. Electric resistance value of an electric resistance strain gauge which is pasted on a strain cylinder is changed by pulling force, the pulling force is output to an A/D switching circuit through a signal amplification circuit, a zeroing circuit, and a correction circuit and then is output to a liquid crystal display panel (8) to output digital signals. The utility model has the advantages of high precision, small size, convenient carrying, and application for construction of large glass curtain walls.
Description
The utility model relates to the product that a kind of electronic technology combines with sensor technology, especially a kind of crab-bolt pull out force detector
Over past ten years, China's urban construction paces are obviously accelerated, and city high level and high-rise building spring up like bamboo shoots after a spring rain, and have driven the rapid popularization of modern glass curtain wall technology thereupon.But, because China's construction work bound pair curtain wall technology exists the hysteresis of standards such as product design, manufacturing, installation, construction, the market confusion situation was once appearring, the time have curtain wall to break or the generation of case accident, serious having to removed and rebuild.Crab-bolt pull out force detector is exactly the product of developing at the glass curtain wall safe construction, and this product design has reached the advanced level of similar products at home and abroad.
The purpose of this utility model is that a kind of fixing a kind of crab-bolt pull out force detector with crab-bolt (swell fixture) withdrawal force of glass curtain wall that is used to detect is provided.This equipment can detect the size of crab-bolt withdrawal force, and reduce and to have stopped sending out of accidents such as glass curtain wall comes off, and measuring accuracy height, small volume and less weight, be easy to carry.
The purpose of this utility model is achieved in that a kind of crab-bolt pull out force detector, and it comprises housing, the sensor of enclosure interior is set, and is positioned at the circuit component plate that links to each other with sensor and battery under the LCDs.Surface of shell is equipped with LCDs, switch, vernier adjustment knob and inside and outside index dial.The variation of sensor that it is characterized in that being positioned at enclosure interior is by by IC
1, IC
2, IC
3The same differential amplifier of forming that is in parallel carries out signal and amplifies, and passes through IC again
4, W
2, R
10, R
11And C
7, C
8The integrated transporting discharging zeroing circuit of forming is connected to A/D converter and liquid crystal display circuit, and simulating signal is become digital signal output.
After adopting such structure, sensor, circuit component plate, battery, LCD etc. are installed concentratedly within a slight housing, volume is little, in light weight, be easy to carry, become in the process of digital signal output in simulating signal simultaneously, the integrated transporting discharging zeroing circuit that adopts nonlinearity correction circuit and do not influence service precision makes that this kind detector precision is very high.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is a kind of contour structures synoptic diagram of crab-bolt pull out force detector.
Fig. 2 is the A-A cut-open view of Fig. 1 contour structures synoptic diagram, mainly illustrates the installation site of inner body of this detector.
Fig. 3 is a kind of circuit diagram of crab-bolt pull out force detector.
By Fig. 1, the utility model shown in Figure 2 relates to a kind of crab-bolt pull out force detector, it comprises housing (10), be positioned at the inner sensor (3) of housing (10), be positioned at the switch (1) on housing (10) panel, vernier adjustment knob (2), LCDs (8) and be positioned at the index dial (5) that housing (10) outside surface is arranged on sensor (3) top, EXT scale dish (6), battery (9) is positioned at housing (10) below, by bundle conductor and the circuit component plate (7) and the sensor (3) that are positioned at LCDs (8) below, the A/D change-over circuit, LCDs (8) links to each other.The outside surface that it is characterized in that described housing (10) is provided with switch (1), vernier adjustment knob (2), LCDs (8), and switch (1) and fine setting knob (2) are positioned at the top of LCDs (8); Sensor (3) be positioned at index dial (5), EXT scale dish (6) below, and sensor (3) adopts resistance strain sensor.
By circuit diagram of the present utility model shown in Figure 3 as can be known, be equipped with on the described circuit component plate (7) with being in parallel the differential device of putting, nonlinearity correction circuit and integrated transporting discharging zeroing circuit.Its complete machine is to utilize the resistance-strain principle, adopts bridge-type output, links to each other with the A/D change-over circuit by signal amplification, gamma correction and zeroing circuit etc. again, shows in the output digital signal by LCDs (8) again.
Signal amplification circuit is by IC
1, IC
2, IC
3Form, it adopts with being in parallel differential amplifier, has the high impedance input, and high conjugated analoging systeming ratio is sent into the differential device IC of putting by the differential pressure signal that sensor (3) produces
1, IC
2In-phase input end, amplify after resistance R
3, R
4Enter IC
3Carry out secondary and amplify, the gain of differential amplifier is by adjustable potentiometer W
1, resistance R
1, R
2Adjust resistance R
5, R
3Ratio determine second level Amplifier Gain, the signal after the amplification is through resistance R
3Be transported to IC
4Input end; Diode D
1, D
2, resistance R
8, R
9Form nonlinearity correction circuit, divide two sections signals to carry out gamma correction sensor (3) output; IC4, adjustable Mian position device W
2, resistance R
10, R
11, and capacitor C
7, C
8Form the integrated transporting discharging zeroing circuit, supply voltage is through W
2, R
10, R
11A simulation of output virtual earth circuit, wherein IC after the dividing potential drop
4Change the form of voltage follower into,, reduce output impedance, play good priority level matching effect to improve input impedance; Signal passes through IC after amplifying
4Output to A/D converter and liquid crystal display circuit, export digital signal intuitively; Battery E
1, E
2And capacitor C
9, C
10, C
11, C
12, C
13, C
14, regulator block IC
5, IC
6The power supply of forming this machine, IC
5, IC
6Be to be transported to sensor (3), circuit component plate (7), A/D and LCDs (8) etc. after cell voltage is stablized.
Claims (2)
1. crab-bolt pull out force detector, it comprises housing (10), is positioned at the inner sensor (3) of housing (10), be positioned at switch (1), vernier adjustment knob (2), the LCDs (8) that housing (10) face extremely goes up and be positioned at index dial (5), the EXT scale dish (6) that housing (10) outside surface is arranged on sensor (3) top, battery (9) is positioned at the below of housing (10), circuit component plate (7) by bundle conductor and the below that is positioned at LCDs (8) and sensor (3), A/D change-over circuit, LCDs (8) link to each other, and it is characterized in that:
The outside surface of a. described housing (10) is provided with switch (1), vernier adjustment knob (2), LCDs (8), and switch (3), vernier adjustment knob (2) are positioned at the top of LCD (8).
B. sensor (3) be positioned at index dial (5), EXT scale dish (6) below, and sensor (3) adopts resistance strain sensor.
C. on the circuit component plate (7) signal amplification circuit is arranged, nonlinearity correction circuit and integrated transporting discharging zeroing circuit.
2. according to the described a kind of crab-bolt pull out force detector of claim (1), it is characterized in that described nonlinearity correction circuit, divide two sections signals to carry out gamma correction sensor (3) output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99259043 CN2403013Y (en) | 1999-12-29 | 1999-12-29 | Anchor bolt pulling force tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99259043 CN2403013Y (en) | 1999-12-29 | 1999-12-29 | Anchor bolt pulling force tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2403013Y true CN2403013Y (en) | 2000-10-25 |
Family
ID=34041469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99259043 Expired - Fee Related CN2403013Y (en) | 1999-12-29 | 1999-12-29 | Anchor bolt pulling force tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2403013Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100445714C (en) * | 2003-08-08 | 2008-12-24 | 西门子公司 | Monitoring method, monitoring device and industrial balance of measuring process using resistance sensor |
| CN102721497A (en) * | 2012-07-09 | 2012-10-10 | 上海电机学院 | Sensor coil assembly and EPS assembly provided with same |
| CN105928650A (en) * | 2016-04-22 | 2016-09-07 | 华北水利水电大学 | Method for measuring expansion pressure of anchor head of expansion-shell type anchor bolt indoors |
-
1999
- 1999-12-29 CN CN 99259043 patent/CN2403013Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100445714C (en) * | 2003-08-08 | 2008-12-24 | 西门子公司 | Monitoring method, monitoring device and industrial balance of measuring process using resistance sensor |
| CN102721497A (en) * | 2012-07-09 | 2012-10-10 | 上海电机学院 | Sensor coil assembly and EPS assembly provided with same |
| CN105928650A (en) * | 2016-04-22 | 2016-09-07 | 华北水利水电大学 | Method for measuring expansion pressure of anchor head of expansion-shell type anchor bolt indoors |
| CN105928650B (en) * | 2016-04-22 | 2018-09-18 | 华北水利水电大学 | The method of the indoor test expansion sleeve bolt anchor head bulbs of pressure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |