CN203079561U - Crane gauge deviation value automatic monitoring device - Google Patents
Crane gauge deviation value automatic monitoring device Download PDFInfo
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- CN203079561U CN203079561U CN 201320028668 CN201320028668U CN203079561U CN 203079561 U CN203079561 U CN 203079561U CN 201320028668 CN201320028668 CN 201320028668 CN 201320028668 U CN201320028668 U CN 201320028668U CN 203079561 U CN203079561 U CN 203079561U
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Abstract
The utility model discloses a crane gauge deviation value automatic monitoring device. A first macro laser ranging sensor and a second macro laser ranging sensor located on the outer side of paired tracks and used for correspondingly measuring the linear distance thereof from the outer side surface of each track are fixedly arranged on the outer sides of end beams on the two sides of a crane capable of reciprocating along the length direction of the paired tracks extending linearly; a laser reflection plate is located at one end of the track; a single chip is arranged on the crane, and a long-distance laser ranging sensor for measuring the linear distance thereof from the laser reflection plate is fixedly arranged on the crane; the signal output ends of the first macro laser ranging sensor, the second macro laser ranging sensor and the long-distance laser ranging sensor, a signal input end of a display screen and a power output port of a power module are connected with corresponding ports of the single chip; and the power module supplies power to the single chip so as to drive the single chip to work. The device disclosed by the utility model can reduce the working strength of detectors and improve the measuring accuracy and speed.
Description
Technical field
The utility model relates to detection technique, belong to relate to detect crane rail apart from the equipment, particularly crane rail of deviation apart from the departure automated watch-keeping facility.
Background technology
(bridge-type) crane or dolly are in operational process, and wheel rim contacts with track side surfaces, produce horizontal lateral thrust, cause the friction and the wearing and tearing of wheel rim and track, the so-called rail of gnawing.(bridge-type) hoisting crane most common failure in service is that cart is gnawed rail, it is more and complicated to gnaw the rail reason, the gauge deviate that the track laying poor quality causes exceeds normal range, be directly to influence the cart operation to gnaw one of major reason of rail, therefore, in self check after the hoisting crane installation unit is installed, routine inspection and special equipment certification body the supervision and check process of maintaining unit to elevator machinery to elevator machinery, all will be to the gauge deviation is detected, weigh the situation that track is installed and used, to guarantee that elevator machinery normally moves.
The limit deviation value △ S of GB/T10183-2005 regulation crane track span S must not surpass following numerical value:
During S≤10 m, △ S=± 3 mm;
During S＞10 m, △ S=± [3+0.25 * (S-10)] mm;
But maximum is no more than ± 15mm, and the tolerance of this standard code is applicable to the crane track of new laying, in use track deviation be above standard the regulation 20%, track must be corrected again; When hoisting crane running condition significantly worsens,, also need to correct track even do not surpass 20% of permissible variation.
Therefore, improve gauge deviation survey precision, accurately estimate track gauge changing condition, to ensureing (bridge-type) hoisting crane safe and reliable operation in orbit, have great importance and act on.
At present, the research of gauge deviation is mainly concentrated on the detection of machine tool guideway, railroad track and elevator rail both at home and abroad, these track method of inspections utilize collimation laser and prismatic reflection to carry out mostly, the technology comparative maturity, even have the product of maturing directly to use.Than machine tool guideway, rail and elevator rail, nearly tens meters to up to a hundred meters of crane track spans, especially (bridge-type) hoist frame unoccupied orbitals, it is very inconvenient to measure.Still generally adopt steel ruler, metallic tape, hand-held laser rangefinder equipment to measure to the overhead and gantry cranes track, cause survey crew working strength height.For improving detection means, certain research has also been done with regard to the orbit measurement method by more domestic scientific research institutions, inspection mechanism.
Relevant technologies research staff proposes the wheel detection method and detects the track service condition, is the degree of crook of judging gauge and track by horizontal deflection, vertical missing and the span of measuring the hoisting crane wheel, and survey precision is not high.
The dolly that Shanghai Communications University proposes to utilize total powerstation and designs the band cloud platform realizes that track detects automatically, automatic vehicle carries prism and moves automatically, and can adjust the prism attitude, keep the center of prism to aim at total powerstation emitted laser bundle (total powerstation is followed the tracks of the function of prism and finished by total powerstation) all the time, finish the automatic detection of total powerstation track.Shanghai University of Science and Technology's Mechanical Academy and the correlative study personnel of Shanghai Baosteel Industry Inspection Corp. have proposed a kind of method that the overhead and gantry cranes track detects that is used for based on the laser triangulation principle, utilize total powerstation and running target car to measure.The orbit measurement robot carries corner cube and advances along track, the position of total powerstation real-time tracing corner cube, reconstruct the spatial form of rail top face line of centers according to record data, and then calculate the parameter such as straightness accuracy, double track parallelism, track span of track.Above-mentioned method of inspection and accuracy of detection all improve, but many factor affecting survey precision are also arranged, as the heeling error of target car, the position error that angular error caused when track length increased etc.Automatic vehicle or track detection machine people quality lay particular stress on, and are used for the high-altitude orbit detection and seem light inadequately, make said method apply on bridge (door) formula crane track detects, and have certain limitation.
Relevant technologies research staff utilizes collimation laser to measure as linear datum.The carriage walking that carries PSD facula position measurement mechanism is on track and determine the straggling parameter of orbit measurement point according to laser spot position, proposing two tracks measures respectively and is reconfigured to then in the same system of axes, solve the difficult point of large span orbit measurement, but be difficult to overcome the gauge measured error that PSD that the bending of track in horizontal surface cause tilts to be produced.
Relevant technologies research staff proposes to adopt and freely establishes the coordinate that the station method is measured orbit centre point, equation of straight line through the over-fitting center-point, obtain the distance of center-point by coordinate transform to fitting a straight line, evaluate the quality and the situation of change of track intuitively, need not reflecting prism and can measure the locus of tested point, utilize the non-prism total powerstation to settle the Crane Rail of reflective prism to detect, can measure the accurate data of Crane Rail quickly and easily being difficult to.But this method is applicable to sight line and measures without any the terrain and its features of obstacle, if middle what have that obstacle then measures is the coordinate of obstacle, restricted higher, and the crane track measurement environment is required high, the total powerstation placement platform must be arranged, and commonality is bad.
, still have the following disadvantages and difficult point about the research of crane rail from present apart from deviation detecting method and measurement mechanism:
1, the measurement cumulative errors are bigger.The design dolly travels on a track separately, and accuracy of positioning is not high, easily produces heeling error; Utilize total powerstation survey station principle to measure, total powerstation is fixed, the angular error that produces when the target prism moves; The measured error produced or the like that tilts by PSD, all precision that can measure influence.
2, measurement space is had relatively high expectations, and commonality is poor.When utilizing total station survey, particularly when aerological measurement, requiring to have the platform that a space is enough big, stability is stronger near track, and not every operating environment can both satisfy, and has limited the application of these class methods.
In sum, domesticly still generally adopt measuring equipments such as steel ruler, metallic tape, hand-held laser rangefinder to measure apart from the measurement that changes to (bridge-type) crane rail, it is all bigger to measure difficulty and working strength, result of a measurement is influenced by human element and environmental change, when particularly the hoisting crane span was big, factors such as the sagging and error accumulation of steel ruler were difficult to guarantee survey precision.
The utility model content
The purpose of this utility model is to provide a kind of crane rail apart from the departure automated watch-keeping facility, can be good at (bridge-type) hoisting crane carried out with track that deviation is measured and the position is definite, make things convenient for the security monitoring of hoisting crane inspection unit, installation unit and applying unit repair and maintenance department to crane track, ensure the safe operation of hoisting crane, it can alleviate testing staff's working strength, improves survey precision and measuring speed.
The purpose of this utility model is achieved in that a kind of crane rail apart from the departure automated watch-keeping facility, comprises the first microspur laser range sensor, the second microspur laser range sensor, long apart from laser range sensor, laser-bounce plate, micro controller system, read-out and power module; Can install respectively along the hoisting crane both sides end carriages outside that moves back and forth along linearly extended paired track length direction in the track outside in pairs to be used for the corresponding first microspur laser range sensor, the second microspur laser range sensor of measuring straight-line distance between himself and each track lateral surface, the laser-bounce plate is positioned at an end of track, be mounted with micro controller system on the hoisting crane and installing be used to measure straight-line distance between self and the laser-bounce plate length apart from laser range sensor, long apart from laser range sensor emission termination over against the laser-bounce plate; The first microspur laser range sensor, the second microspur laser range sensor with long apart from laser range sensor signal output part separately, the signal input part of read-out and power module output port of power source are connected with the corresponding port of micro controller system, to drive micro controller system work, micro controller system is with its first microspur laser range sensor that receives to the micro controller system power supply for power module, the second microspur laser range sensor, long carry out computing and obtain the gauge deviate and its gauge deviate that obtains is shown by read-out apart from the corresponding separately range data correspondence that records of laser range sensor.
During operation the utility model, (bridge-type) hoisting crane is moved to big Car Track one end, each fixes a high precision microspur laser range sensor at crane end carriage two outside end faces, be respectively the first microspur laser range sensor and the second microspur laser range sensor, to measure the distance of distance measuring sensor to the track lateral surface, the long range measurements that becomes is in the past measured into microspur, the survey precision of Ti Gaoing greatly, determine initial measurement point gauge value and standard gauge value then, and from handling the micro controller system on-site manual input of these data, restart hoisting crane and it is traveled at the uniform speed, the first microspur laser range sensor and the second microspur laser range sensor are gathered take off data on the same cross section by time gap, data are imported micro controller system automatically, by comparing between every group of data (each cross section is a group), judge the gauge deviate according to initial measurement point gauge value and standard gauge value, simultaneously, utilizing the length that is parallel to track to import micro controller system automatically apart from the data of laser range sensor collection accurately locatees overproof point.Micro controller system utilizes the first microspur laser range sensor, the second microspur laser range sensor, long data of gathering apart from laser range sensor, with reference to initial measurement point gauge value and standard gauge value, the gauge deviate of crane track measurement point is shown on the LCD screen in real time, as Fig. 2, shown in Figure 3, simultaneously, take off data also is kept in the SD card, and upper computer 11 reads in the SD card data to carry out drawing result of a measurement after the Data Post.The utility model has also designed two cover power module, i.e. DC supply module and Alternating Current Power Supply modules for the micro controller system power supply.The utility model can improve the limitation that existing gauge deviation is measured, make full use of (bridge-type) hoisting crane environment for use, can be good at (bridge-type) hoisting crane carried out with track that deviation is measured and the position is definite, make things convenient for the security monitoring of hoisting crane inspection unit, installation unit and applying unit repair and maintenance department to crane track, ensure the safe operation of hoisting crane, it can alleviate testing staff's working strength, improve survey precision and measuring speed, simultaneously, realize functions such as the real-time demonstration of image data, convenient inquiry, storage.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is an installation site of the present utility model structural representation;
Fig. 2 is the utility model overall work principle and connection structure scheme drawing thereof;
Fig. 3 is concrete principle of work of the utility model and connection structure scheme drawing thereof;
Fig. 4 is the main work flow figure of software that the utility model is installed.
The specific embodiment
A kind of crane rail comprises the first microspur laser range sensor (1), the second microspur laser range sensor (5), long apart from laser range sensor (7), laser-bounce plate (12), micro controller system (6), read-out and power module apart from the departure automated watch-keeping facility; As shown in Figure 1, be positioned at paired track (2) outside to be used for the corresponding first microspur laser range sensor (1) of measuring straight-line distance between himself and each track (2) lateral surface can installing respectively along hoisting crane (3) the both sides end carriages (4) that move back and forth along linearly extended paired track (2) the length direction outside, the second microspur laser range sensor (5), laser-bounce plate (12) is positioned at an end of track (2), be mounted with micro controller system (6) on the hoisting crane (3) and installing be used to measure straight-line distance between self and the laser-bounce plate (12) length apart from laser range sensor (7), long apart from laser range sensor (7) emission termination over against laser-bounce plate (12); As Fig. 2, shown in Figure 3, the first microspur laser range sensor (1), the second microspur laser range sensor (5) with long apart from laser range sensor (7) signal output part separately, the signal input part of read-out and power module output port of power source are connected with the corresponding port of micro controller system (6), power module gives micro controller system (6) power supply to drive micro controller system (6) work, and micro controller system (6) is with its first microspur laser range sensor (1) that receives, the second microspur laser range sensor (5), long carry out computing and obtain the gauge deviate and its gauge deviate that obtains is shown by read-out apart from the corresponding separately range data correspondence that records of laser range sensor (7).
As Fig. 2, shown in Figure 3, read-out is LCD liquid crystal display (10).
As shown in Figure 3, power module is DC supply module (8) and/or Alternating Current Power Supply module (9).
The utility model utilizes (bridge-type) hoisting crane itself as measuring carrier, with high precision microspur sensor image data fixed thereon, data processing system is carried out comprehensive treatment in conjunction with long apart from the data of laser rangefinder collection with the data message of gathering, the gauge deviation that can intuitively reflect any position realizes IT application in management.This method reduces testing staff's working strength to greatest extent, reduces the technical requirements to the testing staff, measures and realizes automation, increases work efficiency and detects level of management.
In the testing process, the utility model uses long apart from laser range sensor detection hoisting crane traveling-position in orbit, on the spacing point of regulation, detect its distance by the microspur laser range sensor that is fixedly mounted on the end carriage of hoisting crane both sides to track, and detected result is sent in the micro controller system, micro controller system is through obtaining the track deviation value on each check point after the routine processes, again each deviate is stored in the SD card, and the information of nonconformity check point can be shown in the LCD liquid crystal display.The data that are stored in the SD card read through upper Automatic Program, draw gauge deviation curve figure on request.The key technical indexes of utility model is: microspur laser rangefinder survey precision: ± 0.5mm; Long apart from laser rangefinder survey precision: ± 10mm; Dynamic test speed: 10-40m/min; Stabilized operating temperature :-10 ℃-40 ℃; Storage data volume: 10000 groups of data; Power supply: linear precision voltage source, satisfy uninterrupted duty requirement in 8 hours.
Checking system is mainly by micro controller system, microspur laser range sensor, long apart from laser sensor, current/voltage reforming unit (I/V), mould/number (A/D) conv, SD card memory system, LCD liquid crystal display, keyboard, precision voltage source etc. are formed.System forms as shown in Figure 3:
As shown in Figure 4, during measurement, the utility model power supply closure, device numbering is set or preserves the data group number with button, press initiating key and measure, LCD shows current measurement gauge deviation number of non-compliances certificate in real time, the operation of (bridge-type) crane stops, and finishes to measure by end key and detects.It is long apart from the laser range sensor take off data that every group of data of gathering, storing comprise two microspur laser range sensors and one, can have access to, inquire about storage data by button.Have " zero clearing " function button that " resets ", can handle timely and conveniently maloperation and invalid data.In addition, the utility model also has " dynamic measurement " " static measurement " function button, checks measurement in the measurement of operational process and (bridge-type) when hoisting crane is static with convenient (bridge-type) hoisting crane.
After the utility model connected PC, automatically generated data form and visual picture showed, simultaneously, screen the independent form of nonconformity dot generation.The inspector enters system according to authentication, and by the setting of serial ports, the data importing upper computer being stored in the SD card can generate figure and data form.Be provided with interface with my internal report system of the unit of check, reporting system can be needed the data importing electronic report.
The utility model all meets the design the key technical indexes in laboratory and field test effect and measuring accuracy.
The result of a measurement that draws in laboratory work for the utility model as following table 1 and the correlation data table of delicate metering gauge block.The utility model adopts (bridge-type) crane track as data acquisition face in measurement process, increases ambient dust concentration, smokescope, and the analog operation site environment is tested.
Table 1
| Adjacent twice take off data difference | 5.21 | 6.12 | 11.58 | 19.48 | -30.58 | -11.58 | -29.64 |
| The precision gage block variable quantity | 5.12 | 6.14 | 11.26 | 19.88 | -30.12 | -11.26 | -30.12 |
| Deviation | -0.09 | 0.02 | -0.32 | 0.4 | 0.46 | 0.32 | -0.48 |
From the correlation data of above-mentioned table 1 as can be seen, the variable quantity deviation control of the variable quantity of measured data and precision gage block meets design objective at ± 0.5mm, satisfies the operating needs that (bridge-type) crane rail is measured apart from deviation.
Claims (3)
1. a crane rail is characterized in that apart from the departure automated watch-keeping facility: comprise the first microspur laser range sensor (1), the second microspur laser range sensor (5), long apart from laser range sensor (7), laser-bounce plate (12), micro controller system (6), read-out and power module; Be positioned at paired track (2) outside to be used for the corresponding first microspur laser range sensor (1) of measuring straight-line distance between himself and each track (2) lateral surface can installing respectively along hoisting crane (3) the both sides end carriages (4) that move back and forth along linearly extended paired track (2) the length direction outside, the second microspur laser range sensor (5), laser-bounce plate (12) is positioned at an end of track (2), be mounted with micro controller system (6) on the hoisting crane (3) and installing be used to measure straight-line distance between self and the laser-bounce plate (12) length apart from laser range sensor (7), long apart from laser range sensor (7) emission termination over against laser-bounce plate (12); The first microspur laser range sensor (1), the second microspur laser range sensor (5) with long apart from laser range sensor (7) signal output part separately, the signal input part of read-out and power module output port of power source are connected with the corresponding port of micro controller system (6), power module gives micro controller system (6) power supply to drive micro controller system (6) work, and micro controller system (6) is with its first microspur laser range sensor (1) that receives, the second microspur laser range sensor (5), long carry out computing and obtain the gauge deviate and its gauge deviate that obtains is shown by read-out apart from the corresponding separately range data correspondence that records of laser range sensor (7).
2. crane rail according to claim 1 is characterized in that apart from the departure automated watch-keeping facility: read-out is LCD liquid crystal display (10).
3. crane rail according to claim 1 is characterized in that apart from the departure automated watch-keeping facility: power module is DC supply module (8) and/or Alternating Current Power Supply module (9).
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| CN 201320028668 CN203079561U (en) | 2013-01-18 | 2013-01-18 | Crane gauge deviation value automatic monitoring device |
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| CN103591886A (en) * | 2013-11-18 | 2014-02-19 | 苏州大学 | Elevator rail distance variance analysis method based on distance measurement of displacement sensors |
| CN104229582A (en) * | 2014-07-28 | 2014-12-24 | 江苏省特种设备安全监督检验研究院苏州分院 | Upper and lower computer system based on elevator rail gauge and verticality measurement and measuring method thereof |
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| CN103591886B (en) * | 2013-11-18 | 2016-03-30 | 苏州大学 | A kind of elevator gauge Deviation Analysis Method of deformation based sensor instrument distance |
| CN103591886A (en) * | 2013-11-18 | 2014-02-19 | 苏州大学 | Elevator rail distance variance analysis method based on distance measurement of displacement sensors |
| CN104229582A (en) * | 2014-07-28 | 2014-12-24 | 江苏省特种设备安全监督检验研究院苏州分院 | Upper and lower computer system based on elevator rail gauge and verticality measurement and measuring method thereof |
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| CN110849299A (en) * | 2019-11-22 | 2020-02-28 | 东南大学 | Track unevenness measuring device and method based on image processing |
| CN111023987A (en) * | 2019-12-20 | 2020-04-17 | 三峡大学 | Rapid measuring device and measuring method for track spacing of bridge crane |
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