CN209342353U - Load moment limiter performance test length and angle sensor loading bench - Google Patents
Load moment limiter performance test length and angle sensor loading bench Download PDFInfo
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- CN209342353U CN209342353U CN201920123129.XU CN201920123129U CN209342353U CN 209342353 U CN209342353 U CN 209342353U CN 201920123129 U CN201920123129 U CN 201920123129U CN 209342353 U CN209342353 U CN 209342353U
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Abstract
The utility model belongs to measurement control field, it is related to load moment limiter performance test length and angle sensor loading bench, including the rack with pedestal, upper rack is run through by bearing central rotating shaft, angle lateral load motor to drive central rotating shaft rotation or stop is installed on the shaft end of central rotating shaft, central rotating shaft center fixing sleeve is connected to pivoted arm, pivoted arm both ends are respectively arranged with length by fastener and load hoist engine and sample length sensor, the center shaft end of length load hoist engine is fixedly installed with detection linear transducer, pivoted arm on both sides of the middle is fixedly installed with sample angle sensor and detection angles sensor by fastener, the utility model compact overall structure, control intelligence, perfect in shape and function, test data is comprehensive and accuracy of measurement is high, testing efficiency is high, testing cost is low.
Description
Technical field
The utility model belongs to measurement control field, is related to load moment limiter performance test and is sensed with length and angle
Device loading bench.
Background technique
Load moment limiter is to acquire data by related sensor to appraise and decide crane in real time by relevant treatment and exist
Work hoisting moment under actual working state, and compared with specified hoisting moment and then issue control instruction, to guarantee
The crane operation within the scope of specified hoisting moment in real time, according to TSG Q7014-2008 " hoisting machinery safety guard type
Formula tests detailed rules and regulations " require, when load moment limiter type approval test need the action error of test moment limiter, composition error and
Display error, action error and composition error refer to opposite between actual loaded amount and setting value when limiter of moment acts
Error；Display error refers to actual loaded amount when limiter of moment acts and the relative error between show value.Because herein it
Preceding not mature test method means and equipment, so TSG Q7014-2008 " hoisting machinery safety guard pattern examination
Test detailed rules and regulations " it provides in principle, action error is tested in tangible laboratory using Material Testing Machine, and composition error and display miss
Difference is that sample load moment limiter is mounted on corresponding crane to carry out load test test at the scene.
But sample load moment limiter is loaded using Material Testing Machine in laboratory, force snesor can only be added
It carries, oil pressure sensor, linear transducer and angular transducer can not be loaded, and force snesor loading capacity can not be represented
Directly lifting capacity is carried out, so the relative error that can not be completed between actual loaded amount and setting value carries out calculating action mistake
Difference can only replace calculating action error with the relative error between show value and setting value, this is problematic.
It takes field load test test synthesis error and display error is also that there are many drawbacks: first, needing to prepare
The weight of plurality of specifications (weight), and want frequent progress load combinations to load, therefore preparation, transport and the frequent load of load are led
Cause large labor intensity, testing expense height, testing time long, second, can not achieve to apply crane and appoint because load combinations are limited
Meaning load, therefore can not achieve and carry out load test under any operating condition, it can only be tested under limited several operating conditions, so cannot
The performance of comprehensive test sample load moment limiter, third, because of the limitation of conditions, cannot achieve and stablize to crane, connect
Continue, loaded without mutation, without impact, crane supports the levelness for influencing crane that deforms on ground, examination when loading
The influence of wind load when testing, loads the influence of the factors such as the weight metering error of weight, can not accurately measure sample hoisting moment
Actual loaded amount when limiter acts, therefore the accuracy for the composition error and display error tested by field load test
It not can guarantee.
Utility model content
In view of this, the utility model is in order to solve, load moment limiter performance test large labor intensity, the time is long, surveys
Try costly, test data not comprehensively, the inaccurate problem of test data, provide that a kind of complete function, labor intensity is small, test effect
The load moment limiter performance test that rate is high, testing cost is low, test data is comprehensive, test data is quasi- is passed with length and angle
Sensor loading bench.
In order to achieve the above objectives, the utility model provides the following technical solutions: load moment limiter performance test length
Degree and angular transducer loading bench, including the rack with pedestal, upper rack is run through by bearing central rotating shaft, central rotating shaft
Shaft end on be equipped with drive central rotating shaft rotate or stop angle lateral load motor, central rotating shaft center fixing sleeve
It is connected to pivoted arm, pivoted arm both ends are respectively arranged with length load hoist engine by fastener and sample length sensor, length add
The center shaft end for carrying hoist engine is fixedly installed with detection linear transducer, and pivoted arm on both sides of the middle is fixedly installed with sample by fastener
Product angular transducer and detection angles sensor.
Optionally, the measurement axis for detecting linear transducer is rotated synchronously with lifting drum.
Optionally, spool is provided in sample length sensor shell body, fixation is wound with bracing wire on spool, and bracing wire is another
One end is fixed on the reel of length load hoist engine.
Optionally, the spool of sample length sensor is provided with the wind spring for take-up, sample length sensor measurement axis
It is fixed on spool axis.
Optionally, it is fixed with weight in the measurement shaft of sample angle sensor, weight remains under the effect of gravity
In plummet.
Optionally, pivoted arm is vertically disposed with the sliding rail of protrusion, is fixedly installed with balance adjustment by fastener on sliding rail and slides
Block.
Optionally, the driving mechanism of length load hoist engine and angle lateral load motor includes motor, retarder, braking
Device and shaft coupling.
Load moment limiter performance test methods, comprising the following steps:
S1: using through the qualified detection force snesor of metering, detection oil pressure sensor, detection linear transducer and detection
Angular transducer；
S2: sample sensor and detection sensor are fixed on as required on its corresponding loading bench；
S3: by the data reception module of sample sensor acquisition signal access sample load moment limiter, it will test biography
Sensor acquires the data reception module of signal access Testing Software；
S4: sample length is sensed with length and angle sensor loading bench using load moment limiter performance test
Device, sample angle sensor, detection linear transducer, detection angles sensor synchronize load；Using existing material
Energy testing machine synchronizes load to sample force snesor, detection force snesor；Using existing oil pressure loading bench to sample oil
Pressure sensor, detection oil pressure sensor synchronize load；
S5: pressure, oil pressure, the jib length, lifting acquired using existing Testing Software according to detection sensor
The structure size analytical calculation of arm angle combination crane obtains the actual loaded amount of amplitude and lifting capacity；
S6: pressure that sample load moment limiter is acquired according to sample sensor, oil pressure, jib length, lifting
The display data of arm angle obtain the sample loading capacity of amplitude and lifting capacity；
S7: it is passed through according to the sample loading capacity of the actual loaded amount and display of the amplitude of Testing Software measuring and calculation and lifting capacity
Compare the action error that institute's sample load moment limiter is calculated, composition error and display error performance parameter.
Further, further include following steps in S4 step:
S41: using above-mentioned load moment limiter performance test with length and angle sensor loading bench to length and
Angular transducer is loaded:
1), driving angle load motor rotates pivoted arm, to sample angle sensor and detection angles when pivoted arm rotates
Sensor synchronizes load, and the angle of pivoted arm changes, and angular transducer can relatively rotate with measurement shaft, angle
Sensor measures the variable quantity of pivoted arm angle by amount of spin to obtain data, when pivoted arm goes to horizontal or observation sample number
When according to the angle of display being zero, angular transducer zero setting will test；
2), drive length load hoist engine carries out folding and unfolding to sample length sensor bracing wire, and length loads hoist engine rotation
When to sample length sensor and detection linear transducer synchronize load, make sample length sensor in bracing wire folding and unfolding process
Spool rotation to making the measurement axis of sample length sensor rotate, sample length sensor is according to the amount of spin for measuring axis
Mobile length measures the length of crane arm to obtain data with spool every revolution bracing wire, and detection linear transducer is logical
The rotation for crossing length load lifting drum is loaded, and the measurement axis for detecting linear transducer is fixed on length load volume
It the shaft end of lifting drum and is rotated synchronously with lifting drum, detection linear transducer is according to the amount of spin and hoist engine of measurement axis
The mobile length of reel every revolution bracing wire measures the length of crane arm, simulates when sample length sensor bracing wire is released
Weighing arm stretches out, and retracts on the contrary, simulating crane arm when sample length sensor bracing wire is taken in, when the length that sample data is shown is
When basic arm lengths, the length value that will test linear transducer acquisition is adjusted to basic arm lengths；
3) operating condition of test (the i.e. crane work width for being loaded into needs, is carried out to linear transducer and angular transducer
Degree)；
S42: synchronizing load to sample force snesor, detection force snesor using existing material property testing machine,
Or load is synchronized to sample oil pressure sensor, detection oil pressure sensor using existing hydraulic loaded platform:
1), when sample load moment limiter shows that lifting capacity is zero, force snesor or detection oil pressure sensing be will test
Device zero setting；
2), force snesor or oil pressure sensor are loaded, stop load when the movement of sample load moment limiter；
The utility model has the beneficial effects that: compact overall structure, control intelligence, perfect in shape and function is, it can be achieved that lifting
The lifting capacity and work range of limiter of moment arbitrarily load, can the performance to load moment limiter tested comprehensively,
Avoid large labor intensity present in load moment limiter test method means between, time it is long, it is costly, survey
Examination not comprehensively, indeterminacy the problems such as.
Detailed description of the invention
In order to keep the purpose of this utility model, technical scheme and beneficial effects clearer, the utility model provides as follows
Attached drawing is illustrated:
Fig. 1 is the whole knot of the utility model load moment limiter performance test length and angle sensor loading bench
Structure schematic diagram；
Fig. 2 is the partial enlarged view of Fig. 1.
Specific embodiment
The preferred embodiment of the utility model will be described in detail below.
Appended drawing reference in Figure of description includes: length load hoist engine 1, detection linear transducer 2, detection angles biography
Sensor 3, balance adjustment sliding block 4, sample angle sensor 5, pivoted arm 6, angle lateral load motor 7, central rotating shaft 8, sample length
Sensor 9, rack 10.
Load moment limiter performance test as shown in Figs. 1-2 length and angle sensor loading bench, including band bottom
The rack 10 of seat, 10 top of rack, through there is central rotating shaft 8, are equipped in drive by bearing on the shaft end of central rotating shaft 8
The angle lateral load motor 7 of the rotation of heart shaft 8 or stop, 8 center fixing sleeve of central rotating shaft is connected to pivoted arm 6, on pivoted arm 6
It is arranged with the sliding rail of protrusion, balance adjustment sliding block 4 is fixedly installed with by fastener on sliding rail, when the component peace on pivoted arm 6
Before dress fixation finishes test, essentially coincide the center of gravity of cantilever crane assembly with 8 center of central rotating shaft by adjustment adjusting slider 4
(be judged as when feeling most light by rotating cantilever crane and essentially coincide), is then fixed sliding block by the bolt on sliding block,
This device is the driving power and brake force in order to reduce angle driving apparatus, and 6 both ends of pivoted arm are respectively arranged with by fastener
Length loads hoist engine 1 and sample length sensor 9, is provided with spool in 9 shell of sample length sensor, on spool
Fixed to be wound with bracing wire, the bracing wire other end is fixed on the reel of length load hoist engine 1 of 6 other end of pivoted arm, sample length
The spool of sensor 9 is provided with the wind spring for take-up, and sample length sensor 9 measures axis and is fixed on sample length biography
On the spool axis of sensor 9, the center shaft end of length load hoist engine 1 is fixedly installed with detection linear transducer 2, detects length
The measurement axis of sensor 2 is rotated synchronously with lifting drum, and the roll size of length load hoist engine 1 fully considers that sample is long
The bracing wire diameter of sensor 9 and the suitability of rope capacity are spent, length senses sample length when loading 1 spool turns of hoist engine
The load synchronous with detection linear transducer 2 of device 9；6 on both sides of the middle of pivoted arm is fixedly installed with sample angle sensor 5 by fastener
And detection angles sensor 3, the angle lateral load motor 7 drive pivoted arm 6 when rotating to sample angle sensor 5 and detection
The driving mechanism of the synchronous load of angular transducer 3, length load hoist engine 1 and angle lateral load motor 7 includes motor, slows down
Device, brake and shaft coupling, can be carried out to linear transducer and angular transducer it is continuous, slowly, stablize, carried out without mutation
Load, two loading mechanisms all have braking and keep function, and stop and can maintain at an arbitrary position.
Load moment limiter performance test methods, comprising the following steps:
S1: using through the qualified detection force snesor of metering, detection oil pressure sensor, detection linear transducer 2 and inspection
Angle-sensing sensors 3；
S2: sample sensor and detection sensor are fixed on as required on its corresponding loading bench；
S3: by the data reception module of sample sensor acquisition signal access sample load moment limiter, it will test biography
Sensor acquires the data reception module of signal access Testing Software；
S4: using load moment limiter performance test with length and angle sensor loading bench to sample length sensor
9, sample angle sensor 5, detection linear transducer 2, detection angles sensor 3 synchronize load；Using existing material
Performance aircraft synchronizes load to sample force snesor, detection force snesor；Using existing oil pressure loading bench to sample
Oil pressure sensor, detection oil pressure sensor synchronize load；
S5: pressure, oil pressure, the jib length, lifting acquired using existing Testing Software according to detection sensor
The structure size analytical calculation of arm angle combination crane obtains the actual loaded amount of amplitude and lifting capacity；
S6: pressure that sample load moment limiter is acquired according to sample sensor, oil pressure, jib length, lifting
The display data of arm angle obtain the sample loading capacity of amplitude and lifting capacity；
S7: it is passed through according to the sample loading capacity of the actual loaded amount and display of the amplitude of Testing Software measuring and calculation and lifting capacity
Compare the action error that institute's sample load moment limiter is calculated, composition error and display error performance parameter.
Further, further include following steps in S4 step:
S41: using above-mentioned load moment limiter performance test with length and angle sensor loading bench to length and
Angular transducer is loaded:
1), driving angle load motor 7 rotates pivoted arm 6, to sample angle sensor 5 and detection when pivoted arm 6 rotates
Angular transducer 3 synchronizes load, and the angle of pivoted arm 6 changes, and opposite turn can occur for angular transducer and measurement shaft
Dynamic, angular transducer measures the variable quantity of 6 angle of pivoted arm by amount of spin to obtain data, when pivoted arm 6 go to it is horizontal or
When the angle that observation sample data is shown is zero, 3 zero setting of angular transducer will test；
2), drive length load hoist engine 1 carries out folding and unfolding to 9 bracing wire of sample length sensor, and length loads 1 turn of hoist engine
Load is synchronized to sample length sensor 9 and detection linear transducer 2 when dynamic, passes sample length in bracing wire folding and unfolding process
The spool rotation of sensor 9 is to make the measurement axis of sample length sensor 9 rotate, and sample length sensor 9 is according to measurement axis
Amount of spin and spool every revolution bracing wire mobile length measure the length of crane arm to obtain data, detect length
Sensor 2 is loaded by the rotation that length loads 1 reel of hoist engine, and the measurement axis of detection linear transducer 2, which is installed, to be fixed
The shaft end of 1 reel of hoist engine is loaded in length and is rotated synchronously with lifting drum, and detection linear transducer 2 is according to measurement axis
The mobile length of amount of spin and lifting drum every revolution bracing wire measures the length of crane arm, when sample length sensor 9
Simulation crane arm stretches out when bracing wire is released, and retracts on the contrary, simulating crane arm when 9 bracing wire of sample length sensor is taken in, works as sample
When the length that product data are shown is basic arm lengths, the length value that will test the acquisition of linear transducer 2 is adjusted to basic arm lengths；
3) operating condition of test (the i.e. crane work width for being loaded into needs, is carried out to linear transducer and angular transducer
Degree)；
S42: synchronizing load to sample force snesor, detection force snesor using existing material property testing machine,
Or load is synchronized to sample oil pressure sensor, detection oil pressure sensor using existing hydraulic loaded platform:
1), when sample load moment limiter shows that lifting capacity is zero, force snesor or detection oil pressure sensing be will test
Device zero setting；
2), force snesor or oil pressure sensor are loaded, stop load when the movement of sample load moment limiter；
The bulk and structure type of the utility model device guarantee that 6 two sides of pivoted arm can install sensor, sample
Sensor either left side installation or right side installation can adapt to, and compact overall structure, control intelligence, perfect in shape and function can
To test load moment limiter working performance, it can be achieved that arbitrarily loading lifting capacity and work range, avoid taking
Field test causes to test risk not in place by limited several loads, and field test is avoided to load and must prepare a variety of
The cumbersome work of weight weight also saves measurement cost while time saving, laborsaving.
Finally, it is stated that preferred embodiment above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, to the greatest extent
Pipe has been described in detail the utility model by above preferred embodiment, but those skilled in the art should manage
Solution, can make various changes, without departing from the utility model claims book institute to it in the form and details
The range of restriction.
Claims (7)
1. load moment limiter performance test length and angle sensor loading bench, which is characterized in that including with pedestal
Rack, the upper rack, through there is central rotating shaft, are equipped on the shaft end of the central rotating shaft to drive center by bearing
The angle lateral load motor of shaft rotation or stop, central rotating shaft center fixing sleeve are connected to pivoted arm, the pivoted arm two
End is respectively arranged with length by fastener and loads hoist engine and sample length sensor, and the length loads in hoist engine
Spindle end is fixedly installed with detection linear transducer, and the pivoted arm on both sides of the middle is fixedly installed with sample angle by fastener and passes
Sensor and detection angles sensor.
2. load moment limiter performance test as described in claim 1 length and angle sensor loading bench, feature
It is, the measurement axis of the detection linear transducer is rotated synchronously with lifting drum.
3. load moment limiter performance test as described in claim 1 length and angle sensor loading bench, feature
It is, spool is provided in the sample length sensor shell body, and fixation is wound with bracing wire, the bracing wire on the spool
The other end is fixed on the reel of the length load hoist engine.
4. load moment limiter performance test as claimed in claim 3 length and angle sensor loading bench, feature
It is, the spool of the sample length sensor is provided with the wind spring for take-up, the sample length sensor measurement axis peace
Dress is fixed on spool axis.
5. load moment limiter performance test as described in claim 1 length and angle sensor loading bench, feature
It is, is fixed with weight in the measurement shaft of the sample angle sensor, weight remains at plummet under the effect of gravity.
6. load moment limiter performance test as described in claim 1 length and angle sensor loading bench, feature
It is, the pivoted arm is vertically disposed with the sliding rail of protrusion, is fixedly installed with balance adjustment sliding block by fastener on the sliding rail.
7. load moment limiter performance test as described in claim 1 length and angle sensor loading bench, feature
It is, the driving mechanism of the length load hoist engine and the angle lateral load motor includes motor, retarder, brake
And shaft coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920123129.XU CN209342353U (en) | 2019-01-24 | 2019-01-24 | Load moment limiter performance test length and angle sensor loading bench |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920123129.XU CN209342353U (en) | 2019-01-24 | 2019-01-24 | Load moment limiter performance test length and angle sensor loading bench |
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| Publication Number | Publication Date |
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| CN209342353U true CN209342353U (en) | 2019-09-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632284A (en) * | 2019-01-24 | 2019-04-16 | 重庆市特种设备检测研究院 | Load moment limiter performance test methods and its length and angle sensor loading bench |
-
2019
- 2019-01-24 CN CN201920123129.XU patent/CN209342353U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632284A (en) * | 2019-01-24 | 2019-04-16 | 重庆市特种设备检测研究院 | Load moment limiter performance test methods and its length and angle sensor loading bench |
| CN109632284B (en) * | 2019-01-24 | 2024-07-09 | 重庆市特种设备检测研究院 | Performance test method for lifting moment limiter |
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