CN105486262B - A kind of method for detecting pinplate sliding - Google Patents
A kind of method for detecting pinplate sliding Download PDFInfo
- Publication number
- CN105486262B CN105486262B CN201510844284.7A CN201510844284A CN105486262B CN 105486262 B CN105486262 B CN 105486262B CN 201510844284 A CN201510844284 A CN 201510844284A CN 105486262 B CN105486262 B CN 105486262B
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- Prior art keywords
- pinplate
- module
- sliding block
- chip microcomputer
- sliding
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A kind of method for detecting pinplate sliding, comprises the following steps：Slippage detecting device is fixed on pinplate；Pinplate is fixed on fixture II；Firing test machine, the both ends of pinplate are exerted a force, can be slid when the frictional force between core plate reaches maximum static friction force, meanwhile, sliding block module is slided therewith, the signal for being detected immediately upon displacement sensor module, and sliding block module drives probe tile；Signal is converted into data signal after being transferred in chromacoder, be then transferred to again in the single-chip microcomputer in chromacoder；Above-mentioned single-chip microcomputer is again by the single-chip microcomputer in digital data transmission to automaton, and for the single-chip microcomputer again by digital data transmission to control module, control module issues instructions to testing machine, and testing machine stops exerting a force immediately, recording detection data.The present invention can be detected easily in real time to pinplate sliding, and accuracy of detection is high, speed is fast, reliability is high, to predict that the security performance of pinplate provides theoretical foundation.
Description
Technical field
The present invention relates to gauge check technical field, and in particular to a kind of method for detecting pinplate sliding.
Background technology
High-strength bolt pinplate has the characteristics that to be completely embedded, stress is good, endurance, replaceable, installation are simple, because
This, is widely used in the engineering structures such as industry and civil buildings, bridge construction.Because pinplate in use can be by
To the pulling force in the external world, it can produce sliding relative to fixed plate, so as to be applied to the huge shearing of the bolt of fixed pinplate
Power, bolt clippers can be cut off when shearing force reaches certain degree, so as to cause the fixed knot between pinplate and fixed plate
Structure is destroyed, and then causes the generation of accident.At present, for the research of relevant pinplate sliding, the judgement master of its result of study
What is relied on is the subjective judgement of experimenter, as experimenter see testing machine back stitching or hear " bang " a sound when, sentence
Determine pinplate to be slid, however, this detection method by artificially judging is inevitably present error, even miss
Sentence.Therefore, seeking a kind of method that is more accurate, more scrupulously detecting pinplate has great meaning.
The content of the invention
It is an object of the invention to provide a kind of method for detecting pinplate sliding, this method can be detected rapidly and accurately
Whether pinplate is sliding in the case of by external force, so as to provide theoretical foundation for the security performance of prediction pinplate.
To achieve the above object, the method for this detection pinplate sliding, comprises the following steps：
A. slippage detecting device is fixed on pinplate by fixture I, the pinplate is by two pieces of core plates and two pieces
Side plate, which is bolted, to be formed；Two panels probe tile is set to extend into the gap between two pieces of core plates simultaneously, due to two pieces of core plates
Between gap it is smaller, now, the spring in displacement sensor module is in compressive state, and two panels probe tile is due to the bullet of spring
The effect of property restoring force is close on the adjacent two side of core plate respectively；
B. pinplate is fixed on the fixture II on testing machine, and clamps the both ends of pinplate；
C. firing test machine, the both ends of pinplate are started to apply pulling force, with the increase of pulling force, between core plate and side plate
Frictional force increase, when reaching maximum static friction force, core plate slides, now, spring elastic restoring force act under,
Spring extends and promotes sliding block module to move, and displacement sensor module is detected immediately upon displacement signal；Probe tile is with slide-action die
The movement of block and move and continue to be close on the adjacent two side of core plate；
D. displacement sensor module exports analog signal into chromacoder by the data wire of its end, and signal turns
High-precision adc data collecting card in changing device converts analog signals into data signal, and data signal is transferred to signal and turned again
In single-chip microcomputer in changing device；
E. above-mentioned single-chip microcomputer can be by the single-chip microcomputer in digital data transmission to automaton, in automaton
Single-chip microcomputer again by digital data transmission to control module, control module issues instructions to testing machine, and testing machine stops applying immediately
Power, recording detection data.
Preferably, the sliding block module is split-type structural, including sliding block upper module and sliding block lower module, on the sliding block
Module and sliding block lower module are bolted on together.
Preferably, the model of the single-chip microcomputer is STM32, the model of the high-precision adc data collecting card
ADS1256。
Compared with prior art, the present invention can be detected easily in real time to the pinplate sliding for being not easy to measure, and
By ADC signal converter, the analog signal of displacement sensor module is converted into data signal in real time so that testing result essence
Degree is high, speed is fast, reliability is high；When pinplate slides, the present invention can make testing machine stop exerting a force immediately automatically, record
Data are detected, so as to predict that the security performance of pinplate provides theoretical foundation, ensure the life and property safety of the people, have
There are good promotional value and social value.
Brief description of the drawings
Fig. 1 is the overall structure diagram of slippage detecting device in the present invention；
Fig. 2 is the structural representation of displacement sensor module in the present invention；
Fig. 3 is the structural representation of sliding block upper module in the present invention；
Fig. 4 is the structural representation of sliding block lower module in the present invention；
Fig. 5 is the structural representation of pinplate in the present invention；
Fig. 6 is the working state schematic representation of the present invention；
Fig. 7 is the enlarged diagram that the present invention is arranged on pinplate；
In figure：1st, slippage detecting device, 2, chromacoder, 3, automaton, 4, probe module, 4-1 probes
Piece, 5, displacement sensor module, 5-1, jump ring, 5-2, spring, 5-3, contact circuitron, 5-4, guide rod, 6, sliding block module, 7, lead
Rail module, 7-1, guide rail, 7-2, guide rail fixed seat, 8, casing, 9, testing machine, 10, pinplate, 10-1, core plate, 10-2, side plate,
10-3, bolt, 11, fixture I, 12, fixture II.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, Figure 2, shown in Fig. 5 to Fig. 7, a kind of method for detecting pinplate sliding, comprise the following steps：
A. slippage detecting device 1 is fixed on pinplate 10 by fixture I 11, the pinplate 10 is by two pieces of core plates
10-1 and two piece of side plate 10-2 is formed by connecting by bolt 10-3；Two panels probe tile 4-1 is set to extend into two pieces of core plate 10-1 simultaneously
Between gap in, because the gap between two pieces of core plate 10-1 is smaller, now, at the spring 5-2 in displacement sensor module 5
In compressive state, two panels probe tile 4-1 is close to core plate 10-1 adjacent two respectively due to the effect of spring 5-2 elastic restoring force
In side wall；
B. pinplate 10 is fixed on the fixture II 12 on testing machine 9, and clamps the both ends of pinplate 10；
C. firing test machine 9, the both ends of pinplate 10 are started to apply pulling force, with the increase of pulling force, core plate 10-1 with
Frictional force increase between side plate 10-2, when reaching maximum static friction force, core plate 10-1 slides, now, in spring 5-2
Elastic restoring force effect under, spring 5-2 extends and promotes sliding block module 6 to move, and displacement sensor module 5 is detected immediately upon position
Shifting signal；Probe tile 4-1 is moved with the movement of sliding block module 6 and is continued to be close on the adjacent two sides of core plate 10-1, from
And spring 5-2 is prevented further to extend；
D. displacement sensor module 5 exports analog signal into chromacoder 2 by the data wire of its end, signal
High-precision adc data collecting card in conversion equipment 2 converts analog signals into data signal, and data signal is transferred to signal again
In single-chip microcomputer in conversion equipment 2；
E. above-mentioned single-chip microcomputer can be by digital data transmission to the single-chip microcomputer in automaton 3, automaton 3
In single-chip microcomputer again by digital data transmission to control module, control module issues instructions to testing machine 9, and testing machine 9 stops immediately
Only exert a force, recording detection data.
As shown in Fig. 1, Fig. 3, Fig. 4, in order to more easily mount and dismount sliding block module 6 and make sliding block module 6 more convenient
Fixed displacement sensor assembly 5, the sliding block module 6 is split-type structural, including sliding block upper module and sliding block lower module, institute
State sliding block upper module and sliding block lower module is bolted on together.
In order to obtain preferably transmission data performance and reduce cost, the model of the single-chip microcomputer is STM32；In order to obtain
Obtain more preferable data transfer speeds, the model ADS1256 of the high-precision adc data collecting card.
As shown in Figures 1 to 4, the detecting system that the method for this detection pinplate sliding is applicable includes slippage detecting device
1st, chromacoder 2 and automaton 3, one end of the chromacoder 2 are connected with slippage detecting device 1, separately
One end is connected with automaton 3；The automaton 3 can control size of the testing machine 9 to the active force of pinplate 10；
The slippage detecting device 1 includes probe module 4, displacement sensor module 5, two pieces of sliding block modules 6, rail modules
7 and bottom plate be provided with through hole casing 8；The probe module 4 is fixed on the lower end of sliding block module 6 and passes perpendicularly through casing 8
Bottom plate；The probe module 4 is including cross-shaped between at least two elongated high rigidity probe tile 4-1, the probe tile 4-1
Arrangement；
Institute's displacement sensor modules 5 include jump ring 5-1, spring 5-2, contact circuitron 5-3 and guide rod 5-4, the card
Spring 5-1 is arranged on guide rod 5-4 both ends；The spring 5-2 is enclosed on guide rod 5-4, and the both ends of the spring 5-2 are separately fixed at
On jump ring 5-1；Described contact circuitron 5-3 one end is connected with guide rod 5-4, and the other end is connected with chromacoder 2；
The sliding block module 6, which is provided with, makes the hole that guide rod 5-4 and guide rail 7-1 are passed through, and the sliding block module 6, which is provided with, makes guide rod 5-
4 bore dias passed through are less than jump ring 5-1 external diameter, and the sliding block module 6 is separately positioned on guide rod 5-4 both ends, on the one hand used
It is arranged in by displacement sensor module 5 on slippage detecting device 1, on the other hand because probe tile 4-1 moves with sliding block module 6
And move, so as to further prevent spring 5-2 axial movement, when core plate 10-1 slides, the distance of sliding with
The distance of spring 5-2 elongations is consistent, so as to be accurately detected core plate 10-1 slippage；The rail module 7 includes guide rail
7-1 and guide rail fixed seat 7-2, the guide rail 7-1 are fixed between guide rail fixed seat 7-2 through two pieces of sliding block modules 6, guide rail 7-
1 controllable sliding block module 6 is slided in same level；The guide rail fixed seat 7-2 is fixed on casing 8；
The chromacoder 2 includes signal conversion module, the signal conversion module include single-chip microcomputer and with its phase
High-precision adc data collecting card even；The mould that the high-precision adc data collecting card can collect displacement sensor module 5
Intend being transferred on single-chip microcomputer after signal is converted to data signal；
The automaton 3 includes single-chip microcomputer and control module, the control module respectively with single-chip microcomputer and experiment
Machine 9 is connected.
Claims (3)
- A kind of 1. method for detecting pinplate sliding, it is characterised in that comprise the following steps：A. slippage detecting device (1) is fixed on pinplate (10) by fixture I (11), the pinplate (10) is by two pieces Core plate (10-1) and two pieces of side plates (10-2) are formed by connecting by bolt (10-3)；It extend into two panels probe tile (4-1) simultaneously In gap between two pieces of core plates (10-1), because the gap between two pieces of core plates (10-1) is smaller, now, displacement transducer mould Spring (5-2) in block (5) is in compressive state, and two panels probe tile (4-1) is due to the effect of the elastic restoring force of spring (5-2) It is close to respectively on the adjacent two side of core plate (10-1)；B. pinplate (10) is fixed on the fixture II (12) on testing machine (9), and clamps the both ends of pinplate (10)；C. firing test machine (9), the both ends of pinplate (10) are started to apply pulling force, with the increase of pulling force, core plate (10-1) Frictional force increase between side plate (10-2), when reaching maximum static friction force, core plate (10-1) slides, now, Under the elastic restoring force effect of spring (5-2), spring (5-2) extends and promotes sliding block module (6) mobile, displacement sensor module (5) it is detected immediately upon displacement signal；Probe tile (4-1) moves with the movement of sliding block module (6) and continues to be close to core plate On (10-1) adjacent two side；D. displacement sensor module (5) exports analog signal into chromacoder (2) by the data wire of its end, signal High-precision adc data collecting card in conversion equipment (2) converts analog signals into data signal, and data signal is transferred to letter again In single-chip microcomputer in number conversion equipment (2)；E. above-mentioned single-chip microcomputer can be by the single-chip microcomputer in digital data transmission to automaton (3), automaton (3) In single-chip microcomputer again by digital data transmission to control module, control module issues instructions to testing machine (9), and testing machine (9) is vertical Stop force, recording detection data.
- A kind of 2. method for detecting pinplate sliding according to claim 1, it is characterised in that the sliding block module (6) For split-type structural, including sliding block upper module and sliding block lower module, the sliding block upper module and sliding block lower module are consolidated by bolt It is scheduled on together.
- 3. a kind of method for detecting pinplate sliding according to claim 1 or 2, it is characterised in that the single-chip microcomputer Model is STM32, the model ADS1256 of the high-precision adc data collecting card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510844284.7A CN105486262B (en) | 2015-11-26 | 2015-11-26 | A kind of method for detecting pinplate sliding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510844284.7A CN105486262B (en) | 2015-11-26 | 2015-11-26 | A kind of method for detecting pinplate sliding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105486262A CN105486262A (en) | 2016-04-13 |
| CN105486262B true CN105486262B (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510844284.7A Active CN105486262B (en) | 2015-11-26 | 2015-11-26 | A kind of method for detecting pinplate sliding |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201527350U (en) * | 2009-11-10 | 2010-07-14 | 徐州市产品质量监督检验所 | Detector for slippage resistance testing of bolted plate |
| CN202175483U (en) * | 2011-06-23 | 2012-03-28 | 上海永大电梯设备有限公司 | Novel slippage detecting device |
| CN202676579U (en) * | 2012-07-20 | 2013-01-16 | 临沂市建设安全工程质量监督管理处 | Automatic clamping device of bolting plate anti-sliding test |
| CN204439519U (en) * | 2015-03-24 | 2015-07-01 | 葛洲坝集团试验检测有限公司 | The fastener that a kind of high strength exploitation rubbing surface resistant slide detects |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0891737A (en) * | 1994-09-26 | 1996-04-09 | Mitsubishi Denki Bill Techno Service Kk | Guide rail center deflection measuring jig and replacement of guide shoe |
-
2015
- 2015-11-26 CN CN201510844284.7A patent/CN105486262B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201527350U (en) * | 2009-11-10 | 2010-07-14 | 徐州市产品质量监督检验所 | Detector for slippage resistance testing of bolted plate |
| CN202175483U (en) * | 2011-06-23 | 2012-03-28 | 上海永大电梯设备有限公司 | Novel slippage detecting device |
| CN202676579U (en) * | 2012-07-20 | 2013-01-16 | 临沂市建设安全工程质量监督管理处 | Automatic clamping device of bolting plate anti-sliding test |
| CN204439519U (en) * | 2015-03-24 | 2015-07-01 | 葛洲坝集团试验检测有限公司 | The fastener that a kind of high strength exploitation rubbing surface resistant slide detects |
Non-Patent Citations (1)
| Title |
|---|
| 用力传感器测量摩擦型高强螺栓的抗滑移系数;康杰 等;《昆明理工大学学报（理工版）》;20080630;第33卷(第3期);第69-73页 * |
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| CN105486262A (en) | 2016-04-13 |
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| CB03 | Change of inventor or designer information |
Inventor after: Wang Yong Inventor after: Ma Xiliang Inventor after: Xie Dong Inventor after: Zhou Yu Inventor after: Tian Peng Inventor after: Qiao Zhi Inventor after: Xu Wei Inventor after: Wu Wenhui Inventor after: Xu Hao Inventor before: Ma Xiliang Inventor before: Wang Yong Inventor before: Xie Dong Inventor before: Qiao Zhi Inventor before: Xu Wei Inventor before: Zhou Yu Inventor before: Wu Wenhui Inventor before: Xu Hao |
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