CN106556346A - A kind of safety lock performance parameter non-contact measurement apparatus and its measuring method - Google Patents
A kind of safety lock performance parameter non-contact measurement apparatus and its measuring method Download PDFInfo
- Publication number
- CN106556346A CN106556346A CN201611086676.2A CN201611086676A CN106556346A CN 106556346 A CN106556346 A CN 106556346A CN 201611086676 A CN201611086676 A CN 201611086676A CN 106556346 A CN106556346 A CN 106556346A
- Authority
- CN
- China
- Prior art keywords
- safety
- suspension platform
- lock
- safety lock
- steel cable
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/027—Test-benches with force-applying means, e.g. loading of drive shafts along several directions
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of safety lock performance parameter non-contact measurement apparatus, including suspension platform, by hinge restraining, the other end passes through load cable pull-up for one end of suspension platform；Safety locking to be detected is scheduled on suspension platform by one end of load cable pull-up；One end of safety steel cable is located at directly over safety lock and fixes, and the other end of safety steel cable passes through safety lock to be detected and is in free state；Two laser displacement sensors are installed above suspension platform, the light projector face of two laser displacement sensors is parallel with the initial plane of suspension platform, and suitable horizontal range between two laser displacement sensors is set；The method of measurement of the present invention is：Determine each distance parameter, obtain the maximum impact force suffered by safety steel cable；The present invention not only can measure the lock rope distance and lock rope speed index of centrifugation triggered safety lock, the lock rope angle index that can also detect swing arm Anti-slanting safety lock and the measurement for realizing two class safety lock maximum impact forces above.
Description
Technical field
The present invention relates to field of measuring technique, more particularly to the non-contact measurement apparatus of safety lock performance parameter and its
Measuring method.
Background technology
With developing rapidly for Building Trade in China, aerial work basket is widely used in all kinds of building construction processes.It is high
Place's basket of work is a kind of high-level manned equipment of suspension, therefore safety problem is particularly significant.Cradle safety lock is to ensure to hang
The critical component of basket trouble free service.Specify that safety lock is referred to works as suspension platform according to state compulsory standard GB 19155-2003
Gliding speed reaches lock rope speed or suspension platform angle of inclination is reached when locking rope angle, and energy automatic locking safety steel cable makes
Suspension platform stops gliding or inclined device.Therefore, the security performance detection to safety lock is necessary.Safety lock mainly has
Swing arm Anti-slanting safety lock and centrifugation triggered safety lock two classes, and safety lock detection at this stage is sensed using inclination angle mostly
The contact-sensing such as device, force transducer and stay-supported type displacement sensor equipment carries out performance detection.According to national standard, swing arm
The Testing index of Anti-slanting safety lock and centrifugation triggered safety lock is incomplete same；And safety lock is in the disconnected rope operating mode inspection of simulation
Larger impulsive force occurs during survey, service life and the test of sensor can be had a strong impact on using contact measurement method
Stability.
The content of the invention
The present invention is directed to the above-mentioned problems in the prior art, there is provided a kind of safety lock performance parameter non-contact measurement
Device and its measuring method, which not only can measure the lock rope distance and lock rope speed index of centrifugation triggered safety lock, may be used also
To detect the lock rope angle index of swing arm Anti-slanting safety lock and complete the measurement of two class safety lock maximum impact forces.
The technical solution adopted in the present invention is as follows：
A kind of safety lock performance parameter non-contact measurement apparatus, including suspension platform, one end of suspension platform is by hinge
Chain is constrained, and the other end is scheduled on suspension platform by load cable pull-up by load cable pull-up, safety locking to be detected
One end；One end of safety steel cable is located at directly over safety lock and fixes, and the other end of safety steel cable passes through safety lock and locates
In free state；First laser displacement transducer and second laser displacement transducer are installed above suspension platform, first swashs
The light projector face of Optical displacement sensor and second laser displacement transducer is parallel with the initial plane of suspension platform, and arranges first
Suitable horizontal range between laser displacement sensor 2 and second laser displacement transducer 3.
A kind of measuring method of safety lock performance parameter non-contact measurement apparatus, which comprises the steps：The first step：If
The spacing for determining first laser displacement transducer and second laser displacement transducer is L1, first laser displacement transducer and second swash
The suspension platform that Optical displacement sensor is measured respectively declines displacement and is respectively S1And S2, safety lock pin safety steel cable when under
Drop distance is H, and the decrease speed of safety lock is V0, angle of the suspension platform in lock rope form state and horizontal plane is α, suspension platform
Length be L；
Second step：Can be drawn by right angled triangle geometrical relationship：
3rd step：It is the movement of falling object that the suspension platform of disconnected rope experiment is declined process simplification, according to kinematic principle,
Obtain the speed of safety lock
4th step：After safety lock pins safety steel cable, the motion of safety steel cable is reduced to into single-degree-of-freedom and is linearly shaken
Dynamic problem, according to mechanical kinetics principle,Equivalent loads of the m for suspension platform in formula, x are safe steel wire
The vibration displacement of rope, k is the rigidity of safety steel cable, and above formula is solved and can be obtainedA is safe steel wire
The amplitude of rope；ωnFor the natural frequency of safety steel cable,Can try to achieveFormula
Middle δstFor static load when safety steel cable deflection, δ can be tried to achieve by static load operating modest=mg/k.Can finally according to Hooke's law
Obtain the maximum impact force F suffered by safety steel cablemax=k δmax=k (δst+A)。
It is an advantage of the current invention that：Not only can detect that the lock rope distance and lock rope speed of centrifugation triggered safety lock refer to
Mark, can also detect the lock rope angle index and the maximum impact force of two class safety locks of swing arm Anti-slanting safety lock, solve
The performance parameter of existing safety lock detecting system detection does not cause comprehensively and easily sensor using contact measurement method
The problems such as service life is short not enough with measuring stability.
Description of the drawings
Fig. 1 is the general structure schematic diagram of the present invention；
Fig. 2 is suspension platform displacement diagram when Fig. 1 safety steel cables vibrate.
Specific embodiment
Below in conjunction with the accompanying drawings, illustrate the specific embodiment of the present invention.
As depicted in figs. 1 and 2, a kind of safety lock performance parameter non-contact measurement apparatus of the invention, which includes suspention
Platform 1, by hinge restraining, the other end is fixed on suspention by 4 pull-up safety lock 6 of load cable for one end of suspension platform 1
Platform 1 is by one end of load cable pull-up；One end of safety steel cable 5 is located at directly over safety lock 6 and fixed, safe steel wire
The other end of rope 5 passes through safety lock 6 and is in free state；First laser displacement transducer 2 is installed above suspension platform 1
With the light projector face of second laser displacement transducer 3, first laser displacement transducer 2 and second laser displacement transducer 3 with it is outstanding
The initial plane for hanging platform 1 is parallel, and arranges suitable between first laser displacement transducer 2 and second laser displacement transducer 3
Horizontal range；During the disconnected rope operating mode of simulation, load cable 4 is in relaxed state, 1 free falling of suspension platform, when reaching one
When determining angle or certain speed, safety steel cable 5 is pinned in 6 action of safety lock；At this moment suspension platform 1 is in lock rope form state 101,
And as percussion, the operating mode of safety steel cable 5 can be reduced to single-degree of freedom vibration model, setting suspension platform 1 vibrates
Lower limit 102 and vibration 103 two states of the upper limit of suspension platform 1；It is contactless that the present invention also provides a kind of safety lock performance parameter
The measuring method of measurement apparatus, its step are as follows：The first step：Setting first laser displacement transducer 2 and second laser displacement are passed
The spacing of sensor 3 is L1, under the suspension platform 1 that first laser displacement transducer 2 and second laser displacement transducer 3 are measured respectively
Decrease is moved and is respectively S1And S2, dropping distance when safety lock 6 pins safety steel cable 5 is H, and the decrease speed of safety lock 6 is
V0, suspension platform 1 is α in angle when locking rope form state with horizontal plane, and the length of suspension platform 1 is L；Second step：By right angle
Triangle geometry relation can draw：
3rd step：It is the movement of falling object that the suspension platform of disconnected rope experiment is declined process simplification, according to kinematic principle,
Obtain the speed of safety lock 6
4th step：Safety lock 6 is pinned after safety steel cable 5, it is linear that the motion of safety steel cable 5 is reduced to single-degree-of-freedom
Vibration problem, according to mechanical kinetics principle,Equivalent loads of the m for suspension platform 1 in formula, x are safety
The vibration displacement of steel wire rope 5, rigidity of the k for safety steel cable 5, above formula are solved and can be obtainedA is safety
The peak swing of steel wire rope 5；ωnFor the natural frequency of safety steel cable 5,Can try to achieveδ in formulastFor static load when safety steel cable 5 deflection, δ can be tried to achieve by static load operating modest
=mg/k.The maximum impact force F suffered by safety steel cable can be obtained finally according to Hooke's lawmax=k δmax=k (δst+A)。
Above description is explanation of the invention, is not the restriction to inventing, and limited range of the present invention is referring to right
Require, within protection scope of the present invention, any type of modification can be made.
Claims (2)
1. a kind of safety lock performance parameter non-contact measurement apparatus, it is characterised in that：Including suspension platform (1), suspension platform
(1) one end is by hinge restraining, other end connection load cable (4), and safety lock (6) is fixed on suspension platform (1)
On be connected with one end of load cable (4)；One end of safety steel cable (5) is located at directly over safety lock (6) and fixed, safety
The other end of steel wire rope (5) passes through safety lock (6) and is in free state；First laser is installed above suspension platform (1)
Displacement transducer (2) and second laser displacement transducer (3), first laser displacement transducer (2) and second laser displacement sensing
The light projector face of device (3) is parallel with the initial plane of suspension platform (1), and it is sharp to arrange first laser displacement transducer 2 and second
Suitable horizontal range between Optical displacement sensor 3.
2. a kind of measuring method of safety lock performance parameter non-contact measurement apparatus as claimed in claim 1, its feature exist
In comprising the steps：
The first step：The spacing of first laser displacement transducer (2) and second laser displacement transducer (3) is set as L1, first laser
The decline displacement that displacement transducer (2) and second laser displacement transducer (3) are measured respectively is respectively S1And S2, safety lock (6) lock
Firmly dropping distance during safety steel cable (5) is H, and the maximal rate of the decline of safety lock (6) is V0, suspension platform (1) is in
During lock rope form state, the angle with horizontal plane is α, and the length of suspension platform (1) is L；
Second step：Can be drawn by right angled triangle geometrical relationship：
3rd step：It is the movement of falling object by disconnected rope experiment, suspension platform (1) declines process simplification, according to kinematic principle,
Obtain the speed of safety lock (6)
4th step：After safety lock (6) pins safety steel cable (5), the motion of safety steel cable (5) is reduced to into single-degree-of-freedom line
Property vibration problem, according to mechanical kinetics principle,Equivalent loads of the m for suspension platform (1) in formula, x is
The amplitude vibration displacement of safety steel cable (5), rigidity of the k for safety steel cable (5), above formula are solved and can be obtainedAmplitudes of the A for safety steel cable (5)；ωnFor the natural frequency of safety steel cable (5),Can try to achieveδ in formulastFor static load when safety steel cable (5) deformation
Amount, can try to achieve δ by static load operating modest=mg/k, can obtain the maximum impact suffered by safety steel cable finally according to Hooke's law
Power Fmax=k δmax=k (δst+A)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611086676.2A CN106556346A (en) | 2016-11-30 | 2016-11-30 | A kind of safety lock performance parameter non-contact measurement apparatus and its measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611086676.2A CN106556346A (en) | 2016-11-30 | 2016-11-30 | A kind of safety lock performance parameter non-contact measurement apparatus and its measuring method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106556346A true CN106556346A (en) | 2017-04-05 |
Family
ID=58445463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611086676.2A Pending CN106556346A (en) | 2016-11-30 | 2016-11-30 | A kind of safety lock performance parameter non-contact measurement apparatus and its measuring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106556346A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109178203A (en) * | 2018-08-15 | 2019-01-11 | 上海交通大学 | A kind of Attitude calibration method of floating support mounting actual measurement |
| CN109406121A (en) * | 2018-11-16 | 2019-03-01 | 浙江大学 | A kind of high-altitude cradle safety lock measuring device and method based on obliquity sensor |
| CN111664814A (en) * | 2020-06-26 | 2020-09-15 | 杨洲 | Method for horizontal optical correction detection of workpiece machining plane |
| CN116735079A (en) * | 2023-08-15 | 2023-09-12 | 山东宇飞传动技术有限公司 | Mining winch balance detection equipment and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001147111A (en) * | 1999-11-19 | 2001-05-29 | Nec Corp | High-accuracy fine angle measuring device |
| CN102865855A (en) * | 2012-09-27 | 2013-01-09 | 无锡华科机械设备有限公司 | Intelligent test monitoring console for inclination angle of safety lock locking ropes |
| CN203053686U (en) * | 2013-01-07 | 2013-07-10 | 沈阳正学龙机械设备集团有限公司 | Hanging basket safety lock detecting bench |
| CN203163599U (en) * | 2013-02-22 | 2013-08-28 | 中国兵器工业第二〇二研究所 | Device for measuring jumping parameters during artillery firing |
-
2016
- 2016-11-30 CN CN201611086676.2A patent/CN106556346A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001147111A (en) * | 1999-11-19 | 2001-05-29 | Nec Corp | High-accuracy fine angle measuring device |
| CN102865855A (en) * | 2012-09-27 | 2013-01-09 | 无锡华科机械设备有限公司 | Intelligent test monitoring console for inclination angle of safety lock locking ropes |
| CN203053686U (en) * | 2013-01-07 | 2013-07-10 | 沈阳正学龙机械设备集团有限公司 | Hanging basket safety lock detecting bench |
| CN203163599U (en) * | 2013-02-22 | 2013-08-28 | 中国兵器工业第二〇二研究所 | Device for measuring jumping parameters during artillery firing |
Non-Patent Citations (2)
| Title |
|---|
| 师俊平: "《理论力学》", 31 October 2016, 机械工业出版社 * |
| 张华文，张金生，朱宪臣: "新型高处作业吊篮安全锁试验装置", 《建筑机械》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109178203A (en) * | 2018-08-15 | 2019-01-11 | 上海交通大学 | A kind of Attitude calibration method of floating support mounting actual measurement |
| CN109178203B (en) * | 2018-08-15 | 2020-05-05 | 上海交通大学 | Ship attitude calibration method for actual measurement of floating support installation |
| CN109406121A (en) * | 2018-11-16 | 2019-03-01 | 浙江大学 | A kind of high-altitude cradle safety lock measuring device and method based on obliquity sensor |
| CN111664814A (en) * | 2020-06-26 | 2020-09-15 | 杨洲 | Method for horizontal optical correction detection of workpiece machining plane |
| CN116735079A (en) * | 2023-08-15 | 2023-09-12 | 山东宇飞传动技术有限公司 | Mining winch balance detection equipment and method |
| CN116735079B (en) * | 2023-08-15 | 2023-11-14 | 山东宇飞传动技术有限公司 | Mining winch balance detection equipment and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106556346A (en) | A kind of safety lock performance parameter non-contact measurement apparatus and its measuring method | |
| US10371510B2 (en) | Structure status determination device, status determination system, and status determination method | |
| US10190992B2 (en) | Structure status determination device, status determination system, and status determination method | |
| KR101249996B1 (en) | Apparatus and method for free falling impact test | |
| CN105203200B (en) | Steel wire rope oscillation crosswise signal measurement apparatus, method and oscillation crosswise monitoring method | |
| CN101723239A (en) | Hanging hook attitude detection device and crane | |
| CN104374508B (en) | A kind of construction vertical suspension rope and steady rope tension on-line measuring device and method | |
| CN107271026B (en) | Method for measuring transverse vibration of steel wire rope | |
| CN107314807B (en) | A kind of method of wirerope horizontal space vibration measurement | |
| CN104016099A (en) | Online vortex monitoring device and method for longitudinal tearing damage of steel cord conveyor belt | |
| CN103398668B (en) | Detection device and detection method for boom system | |
| CN103759706B (en) | Mine drop shaft method for three-dimensional measurement and measurement mechanism | |
| US20180362304A1 (en) | Lifting bracket | |
| CN207300212U (en) | A kind of high-supported formwork safety monitoring system | |
| CN105091773B (en) | Detection means for forklift door frame deflection metrology | |
| CN204462075U (en) | Be convenient to the testing table detecting wire rope electromagnetic detection instrument | |
| CN102207435B (en) | Method for eliminating horizontal offset of tractive force testing equipment, and tractive force testing equipment thereof | |
| CN104986665B (en) | Hoisting equipment and lifting rope multiplying power detection device, system and method | |
| CN106770481A (en) | Bridge sling monitors sensor | |
| CN104280229B (en) | The unblock test method of vibrating isolation system | |
| CN103063175B (en) | Hanging-type electric displacement measuring device | |
| CN207019819U (en) | A kind of realization device of cable force measurement technology | |
| CN207281090U (en) | Governor tripping speed test platform | |
| CN104310216B (en) | A kind of crane stay cord jigging motion conversion equipment and crane | |
| RU172963U1 (en) | Automatic device for controlling displacements of the near-edge rock mass of mine workings |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170405 |