CN104913978B - A kind of drive chain of escalator rupture pull force experiment, fatigue test and chain length precision measure experiment testing stand - Google Patents
A kind of drive chain of escalator rupture pull force experiment, fatigue test and chain length precision measure experiment testing stand Download PDFInfo
- Publication number
- CN104913978B CN104913978B CN201510279454.1A CN201510279454A CN104913978B CN 104913978 B CN104913978 B CN 104913978B CN 201510279454 A CN201510279454 A CN 201510279454A CN 104913978 B CN104913978 B CN 104913978B
- Authority
- CN
- China
- Prior art keywords
- fixture
- unit
- chain
- signal
- escalator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 55
- 238000002474 experimental method Methods 0.000 title claims abstract description 35
- 238000009661 fatigue test Methods 0.000 title claims abstract description 24
- 238000006073 displacement reaction Methods 0.000 claims abstract description 42
- 238000006243 chemical reaction Methods 0.000 claims abstract description 41
- 230000003321 amplification Effects 0.000 claims abstract description 26
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 26
- 238000009434 installation Methods 0.000 claims abstract description 14
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002828 fuel tank Substances 0.000 claims abstract description 12
- 239000000725 suspension Substances 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 3
- 238000012805 post-processing Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 4
- 239000000446 fuel Substances 0.000 description 7
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001595 contractor effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of experiment of drive chain of escalator rupture pull force, fatigue test and chain length precision measure experiment testing stand, the testing stand to be mainly made up of mechanical actuating unit and electrofluidic control device two parts.Mechanical actuating unit, which mainly holds one, 2 fixture of bar by 2 double acting hydraulic cylinders, fixture one, the fixture fittings one, 4 of fixture two, 2 fixture fittings two, fixture and holds bar two, installation pedestal, 2 hydraulic cylinder sleeves, to be formed.Electrofluidic control device is mainly made up of fuel tank, overflow valve, coarse filter, hydraulic pump, fine filter, three-position four-way electromagnetic directional valve, sensor one, sensor two, control unit, signal conversion unit, signal amplification unit, Date Conversion Unit, data receipt unit, displacement transducer, displacement transducer reflecting plate.The present invention is simple in construction, and cost is low, can complete the rupture pull force experiment, fatigue test and chain length precision measure experiment of different model drive chain of escalator.
Description
Technical field
The present invention relates to elevator drive chain, particularly a kind of drive chain of escalator rupture pull force experiment, fatigue test and
Testing stand is tested in chain length precision measure.
Background technology
Escalator as public place special equipment, either produce, install, safeguard, it is necessary to have compared with
High permit standard.The drive chain of escalator of manufacturer production needs to carry out the test of security performance before dispatching from the factory, to examine its product
Whether matter is qualified.Because abrasion, corrosion and fracture are the main failure forms of parts in plant equipment, and the fracture of part
Intensity, fatigue strength are the important indicators for weighing its performance.In order to ensure the security of elevator chain in use, Ying Gen
Its minimum tensile strength is examined according to GB/T 1243-2006, dynamic loading intensity is examined according to GB/T1243 or GB/T14212, simultaneously
Whether the chain length of test sample, which meets, requires.At present, on the market drive chain of escalator rupture pull force experiment, fatigue test and
Chain length precision measure experiment special equipment is seldom；And in general fatigue tester is expensive, complicated.
The content of the invention
It is an object of the invention to provide a kind of experiment of drive chain of escalator rupture pull force, fatigue test and chain length precision to survey
Amount experiment testing stand, rupture pull force experiment, fatigue test and the chain length of the drive chain of escalator of different model can not only be completed
Precision measure is tested, and simple in construction, and cost is cheap.
The technical solution adopted by the present invention is as follows：A kind of experiment of drive chain of escalator rupture pull force, fatigue test and chain
Testing stand is tested in long precision measure, it is characterised in that it is made up of mechanical actuating unit and electrofluidic control device, wherein：
The mechanical actuating unit holds bar 1, folder by installation pedestal 1, hydraulic cylinder sleeve 2, double acting hydraulic cylinder 3, fixture
Have one 5, fixture fittings 1, fixture fittings 27, fixture 28 and fixture and hold the composition of bar 2 10, the fixture 28 is consolidated by bolt
Due to the middle part of the top of installation pedestal 1,2 hydraulic cylinder sleeves 2 are secured by bolts in the top both ends of installation pedestal 1；It is described double
Acting cylinder 3 is 2, and one end does not fill suspension earrings equipped with suspension earrings, the other end, does not fill one end insertion liquid of suspension earrings
In cylinder pressure sleeve 2, one end equipped with suspension earrings holds the end of bar 1 by hanging earrings jockey；Fixture holds bar 2 10
It it is 2 with fixture fittings 1, the fixture fittings 1 are provided with second largest pilot hole and the second small pilot hole, second largest dress
Distribution holds bar 2 10 for jockey, and the second small pilot hole of two fixture fittings 1 is respectively used to connect 9 liang of chain test specimen
End；The fixture fittings 27 share two pairs, and each pair fixture fittings 27 are respectively placed in the both sides of the one end of chain test specimen 9, and are located at
The both sides of fixture fittings 1；The fixture 1 is provided with the first large assembly hole and the first small pilot hole, and the first large assembly hole is used
The middle part of bar 1 is held in jockey, the first small pilot hole is used for one fixture of connection and holds bar 2 10；The fixture fittings 27
The third-largest pilot hole and the 3rd small pilot hole are provided with, the third-largest pilot hole holds bar 2 10, the 3rd small assembling for jockey
Hole is used for the side for connecting the upper pin of chain test specimen 9；Another described fixture holds the jockey 28 of bar 2 10；
The electrofluidic control device is by fuel tank 11, overflow valve 12, coarse filter 13, hydraulic pump 14, fine filter 15, three
Four-way electromagnetic reversing valve 16, sensor 1, sensor 2 18, control unit 19, signal conversion unit 20, signal amplification unit
21st, Date Conversion Unit 28, data receipt unit 29, displacement transducer 30 and displacement transducer reflecting plate 31 form；It is described thick
The oil inlet connection fuel tank 11 of filter 13, the oil inlet of the oil-out connection hydraulic pump 14 of coarse filter 13, hydraulic pump 14
Oil-out connects the oil inlet of fine filter 15, and the master of the oil-out connection three-position four-way electromagnetic directional valve 16 of fine filter 15 enters
Hydraulic fluid port 26；One end connection fuel tank of the overflow valve 12, the other end connect the main oil inlet 26 of three-position four-way electromagnetic directional valve 16；
The main oil return opening 27 of the three-position four-way electromagnetic directional valve 16 connects fuel tank, the other side of three-position four-way electromagnetic directional valve 16
Second port 25 and first port 24 connect the epicoele 23 and cavity of resorption 22 of double acting hydraulic cylinder 3 respectively；The sensor 1
One end connects the epicoele 23 of two double acting hydraulic cylinders 3, other end connection control unit 19；The one end of sensor 2 18 connection
The cavity of resorption 22 of two double acting hydraulic cylinders 3, other end connection control unit 19；Described control unit 19 has two output ends, point
The input of the signal conversion unit 20 and the Date Conversion Unit 28 is not connected；The output of the signal conversion unit 20
End connects the input of the signal amplification unit 21, and the output end of the signal amplification unit 21 connects the 3-position 4-way electricity
The electric signal input end of magnetic reversal valve 16；The output end of the Date Conversion Unit 28 connects the defeated of the data receipt unit 29
Enter end；Described control unit 19 has 3 inputs, and 2 inputs connect the sensor 1 and the sensor two respectively
18 output end, the output end of the 3rd input connection institute displacement sensors 30.Described control unit inputs control signal
To signal conversion unit, signal conversion unit is changed to control signal, after input a signal into signal amplification unit, control letter
Number three-position four-way electromagnetic directional valve is conveyed to after the amplification of signal amplification unit, controls its working condition；Meanwhile data conversion
Unit one end connects described control unit, and one end is connected to data receipt unit, and described control unit will be real-time after processing
The active force of chain test specimen is exported, is conveyed to data receipt unit through Date Conversion Unit, the force data received can
For post-processing；In addition displacement transducer connection described control unit, described control unit, the control are inputted by displacement signal
Unit can make corresponding control command according to displacement signal after carrying out processing judgement.
In the present invention, the Date Conversion Unit uses USBCAN-II.
In the present invention, the data receipt unit uses CANTest softwares.
In the present invention, institute's displacement sensors are arranged on fixture two.
In the present invention, institute's displacement sensors reflecting plate is arranged on fixture one.
In the present invention, institute's displacement sensors and institute's displacement sensors reflecting plate are arranged on the phase homonymy of fixture, and
On same vertical direction.
The beneficial effects of the present invention are：The present invention can not only meet to carry out for the drive chain of escalator of different model
The test requirements document of the experiment of chain rupture pull force, fatigue test and chain length precision measure experiment, and it is simple in construction, and cost is low.
Brief description of the drawings
Fig. 1 is the mechanical actuating unit structural representation of the present invention；
Fig. 2 is the principle schematic of the electrofluidic control device of the present invention.
In figure：1- installation pedestals, 2- hydraulic cylinder sleeves, 3- double acting hydraulic cylinders, 4- fixtures hold bar one, 5- fixtures one, 6-
Fixture fittings one, 7- fixture fittings two, 8- fixtures two, 9- chain test specimens, 10- fixtures hold bar two, 11- fuel tanks, 12- overflow valves,
13- coarse filters, 14- hydraulic pumps, 15- fine filters, 16- three-position four-way electromagnetic directional valves, 17- sensors one, 18- sensors
Two, 19- control unit, 20- signal conversion units, 21- signal amplification units, 22- cavity of resorptions, 23- epicoeles, 24,25- be respectively
First, second port, the main oil inlets of 26-, the main oil return openings of 27-, 28- Date Conversion Units, 29- data receipt units, 30- displacements pass
Sensor, 31- displacement transducer reflecting plates.
Embodiment
With reference to embodiment, the present invention is further illustrated, and embodiments of the present invention are not limited to following
Embodiment, the various change made on the premise of present inventive concept is not departed from are belonged within protection scope of the present invention.
Embodiment 1：A kind of drive chain of escalator rupture pull force experiment, fatigue test and chain length precision measure experiment experiment
Platform, mainly it is made up of mechanical actuating unit and electrofluidic control device two parts.It is disrumpent feelings that Fig. 1 show the drive chain of escalator
The mechanical actuating unit of pull test, fatigue test and chain length precision measure experiment testing stand.The mechanical actuating unit is main
Bar 1, fixture 1, fixture fittings 1, fixture are held by installation pedestal 1, hydraulic cylinder sleeve 2, double acting hydraulic cylinder 3, fixture to match somebody with somebody
Part 27, fixture 28, fixture hold the composition of bar 2 10.The installation pedestal 1 passes through spiral shell with fixture 28 and 2 hydraulic cylinder sleeves 2
Tether and connect, 2 hydraulic cylinder sleeves 2 are respectively placed in the both ends of the installation pedestal 1.Described one end of double acting hydraulic cylinder 3 is equipped with outstanding
Hangers ring, the other end do not fill suspension earrings, and that one end for not filling suspension earrings is inserted in hydraulic cylinder sleeve 2, equipped with suspension earrings
One end the end of bar 1 is held by hanging earrings jockey.There are two pilot holes of size on the fixture 1, first is big
Pilot hole is used for the middle part that jockey holds bar 1, and the first small pilot hole holds bar 2 10 for jockey.The fixture fittings
There are two pilot holes of size on one 6, second largest pilot hole holds bar 2 10 for jockey, and the second small pilot hole is used for connects chain
The stage casing sold on bar test specimen 9.The fixture fittings 1 share 2, are respectively placed in the both ends of chain test specimen 9.The fixture fittings
There are two pilot holes of size on 27, the third-largest pilot hole holds bar 2 10 for jockey, and the 3rd small pilot hole is used for connects chain
The side of the upper pin of bar test specimen 9.The fixture fittings 27 share 4, are divided to two pairs, two pairs be respectively placed in chain test specimen 9 two
End, wherein two fixture fittings 27 per centering are respectively placed in the both sides of fixture fittings 1.The fixture holds bar 2 10 and shares 2
Individual, another is placed in 28,1 fixture fittings 1 of other end jockey and 2 fixture fittings 27 of chain test specimen 9.
Fig. 2 show the drive chain of escalator rupture pull force experiment, fatigue test and chain length precision measure experiment examination
Test the principle schematic of the electrofluidic control device of platform.The electrofluidic control device is mainly by fuel tank 11, overflow valve 12, coarse filter
13rd, hydraulic pump 14, fine filter 15, three-position four-way electromagnetic directional valve 16, sensor 1, sensor 2 18, control unit 19,
Signal conversion unit 20, signal amplification unit 21, Date Conversion Unit 28, data receipt unit 29, displacement transducer 30 and position
Displacement sensor reflecting plate 31 forms；Wherein：The oil inlet connection fuel tank 11 of the coarse filter 13, the oil-out of coarse filter 13
Connect hydraulic pump 14 oil inlet, hydraulic pump 14 oil-out connection fine filter 15 oil inlet, fine filter 15 it is fuel-displaced
The main oil inlet 26 of mouth connection three-position four-way electromagnetic directional valve 16；One end connection fuel tank of the overflow valve 12, other end connection
The main oil inlet 26 of three-position four-way electromagnetic directional valve 16；The main oil return opening 27 of the three-position four-way electromagnetic directional valve 16 connects oil
Case, the second port 25 and first port 24 of other side connect the epicoele 23 and cavity of resorption 22 of double acting hydraulic cylinder 3 respectively；It is described
The one end of sensor 1 connects the epicoele 23 of two double acting hydraulic cylinders 3, other end connection control unit 19；The sensor two
18 one end connect the cavity of resorption 22 of two double acting hydraulic cylinders 3, other end connection control unit 19；Described control unit 19 has two
Output end, the input of the signal conversion unit 20 and the Date Conversion Unit 28 is connected respectively；The signal conversion is single
The output end of member 20 connects the input of the signal amplification unit 21, described in the output end connection of the signal amplification unit 21
The electric signal input end of three-position four-way electromagnetic directional valve 16；The output end of the Date Conversion Unit 28 connects the data receiver
The input of unit 29；Described control unit 19 has 3 inputs, except connecting the sensor 1 and the sensor two
2 of 18 output ends, the output end of also 1 input connection institute displacement sensors 30.Described control unit 19 will control
Signal is input to signal conversion unit 20, after signal conversion unit 20 is changed to control signal, inputs a signal into signal and puts
Big unit 21, control signal are conveyed to three-position four-way electromagnetic directional valve 16 after the amplification of signal amplification unit 21, control its work
Make state；Meanwhile the one end of Date Conversion Unit 28 connection described control unit 19, the other end connect the data receipt unit
29, described control unit 19 exports the real-time active force to chain test specimen 9 after processing, is conveyed through Date Conversion Unit 28
To data receipt unit 29, the force data received can be used for post-processing；In addition, displacement transducer 30 connects the control
Unit 19, displacement signal is inputted into described control unit 19, described control unit 19 is according to displacement signal, after carrying out processing judgement
Corresponding control command can be made.The Date Conversion Unit 28 uses USBCAN-II.The data receipt unit 29 uses
CANTest softwares.Institute's displacement sensors 30 are arranged on fixture 28.Institute's displacement sensors reflecting plate 31 is arranged on fixture
On one 5.Institute's displacement sensors 30 and institute's displacement sensors reflecting plate 31 are arranged on the phase homonymy of fixture, and same perpendicular
Nogata is upward.
Fatigue test for drive chain of escalator, under original state, described control unit 19 sends stretching control letter
Number, after the signal transformation of signal conversion unit 20 and the signal amplification of signal amplification unit 21, control three
Four-way electromagnetic reversing valve 16, make the next work of the three-position four-way electromagnetic directional valve 16, i.e., the cavity of resorption of two double acting hydraulic cylinders 3
Oil-feed, epicoele oil return, that one end of the dress suspension earrings of described two double acting hydraulic cylinders 3 is stretched out upwards, due to the chain
Matched somebody with somebody by the bearing pin of the chain test specimen 9, fixture fittings 1,2 fixtures being placed in the both sides of fixture fittings 1 one end of test specimen 9
Part 27, fixture hold the collective effect of bar 2 10 and fixture 28, finally by installation pedestal 1 is bolted to, so two
The upward extending action of that one end of the dress suspension earrings of double acting hydraulic cylinder 3 can hold bar 1, fixture 1, fixture by fixture
Hold the pin of bar 2 10, fixture fittings 1,2 fixture fittings 27 for being placed in the both sides of fixture fittings 1 and the chain test specimen 9
Axle drives the chain test specimen 9 to stretch；In the drawing process of the chain test specimen 9, sensor 2 18 and sensor 1 will
The fuel injection pressure signal real-time delivery of collection is to described control unit 19, the oil pressure letter that described control unit 19 gathers to sensor 2 18
Number compared with setting value, when the fuel injection pressure signal that sensor 2 18 gathers is less than setting value, described control unit 19 continues
Stretching control signal is sent, when the fuel injection pressure signal that sensor 2 18 gathers is more than setting value, described control unit 19 continues to send out
Go out to shrink control signal, 16 upper work of three-position four-way electromagnetic directional valve is controlled through signal conversion unit 20 and signal amplification unit 21
Make, i.e., the cavity of resorption oil return of two double acting hydraulic cylinders 3, epicoele oil-feed, the dress suspension earrings of described two double acting hydraulic cylinders 3
That one end retracted downward, contractive action keep setting time, complete a load cycle process.Afterwards, described control unit 19
Send stretching control signal again after judging that contraction time reaches time setting value, repeat said process.So as to realize to certainly
The fatigue loading of dynamic staircase driving chain.It is pointed out that the time setting value need to be depending on actual debugging situation；Upper
During stating, described control unit 19 exports the load data after gathering and handling in real time, through the Date Conversion Unit 28
The data receipt unit 29 is transported to after processing.
Tested for the rupture pull force of drive chain of escalator, described control unit 19 sends stretching control signal, through letter
After number signal transformation of converting unit 20 and the signal amplification of signal amplification unit 21,3-position 4-way electromagnetism is controlled
Reversal valve 16, make the three-position four-way electromagnetic directional valve 16 is the next to work, i.e., the cavity of resorption oil-feed of two double acting hydraulic cylinders 3, on
Chamber oil return, that one end of the dress suspension earrings of described two double acting hydraulic cylinders 3 is stretched out upwards, due to the chain test specimen 9
One end by the bearing pin of the chain test specimen 9, fixture fittings 1,2 fixture fittings 27 for being placed in the both sides of fixture fittings 1,
Fixture holds the collective effect of bar 2 10 and fixture 28, finally by installation pedestal 1 is bolted to, so two double actings
The upward extending action of that one end of the dress suspension earrings of hydraulic cylinder 3 can hold bar 1, fixture 1, fixture by fixture and hold bar two
10th, the bearing pin drive of fixture fittings 1,2 fixture fittings 27 and the chain test specimen 9 that are placed in the both sides of fixture fittings 1
The chain test specimen 9 stretches；Described control unit 19 sends stretching control signal always, the chain test specimen 9 is stretched always
Until fracture, in fracture, the fuel injection pressure signal that the sensor 2 18 collects diminishes the chain test specimen 9 suddenly, the control
Unit 19 processed sends stopping loading signal, control after the fuel injection pressure signal to diminish suddenly of the transmission of sensor 2 18 is received
The middle position of three-position four-way electromagnetic directional valve 16 work.In above process, output is gathered and located described control unit 19 in real time
Load data after reason, the data receipt unit 29 is transported to after the Date Conversion Unit 28 processing；In the chain
Until before fracture, the load data that described control unit 19 exports constantly increases the stretching of bar test specimen 9, is tried in the chain
Part 9 is broken moment and afterwards, and the load data that described control unit 19 exports becomes very little, thus can determine whether escalator immediately
The rupture pull force of drive chain.
Chain length precision measure experiment for drive chain of escalator, described control unit 19 send stretching control signal,
After the signal transformation of signal conversion unit 20 and the signal amplification of signal amplification unit 21,3-position 4-way is controlled
Solenoid directional control valve 16, makes the next work of the three-position four-way electromagnetic directional valve 16, i.e., the cavity of resorption of two double acting hydraulic cylinders 3 enters
Oil, epicoele oil return, that one end of the dress suspension earrings of described two double acting hydraulic cylinders 3 is stretched out upwards, because the chain tries
One end of part 9 passes through the bearing pin of the chain test specimen 9, fixture fittings 1,2 fixture fittings for being placed in the both sides of fixture fittings 1
27, fixture holds the collective effect of bar 2 10 and fixture 28, finally by installation pedestal 1 is bolted to, so two double
The upward extending action of that one end of the dress suspension earrings of acting cylinder 3 can hold bar 1, fixture 1, fixture by fixture and hold
Bar 2 10, fixture fittings 1, the bearing pin of 2 fixture fittings 27 for being placed in the both sides of fixture fittings 1 and the chain test specimen 9
The chain test specimen 9 is driven to stretch；In the drawing process of the chain test specimen 9, sensor 2 18 and sensor 1 will be adopted
The fuel injection pressure signal real-time delivery of collection is to described control unit 19, and described control unit 19 is to sensor 2 18 and the institute of sensor 1
The fuel injection pressure signal of collection carries out logical process, i.e., the oil pressure value that sensor 2 18 gathers subtracts the oil pressure value of the collection of sensor 1
Acquired results are multiplied by the effective area of the double acting hydraulic cylinder 3, by resulting product compared with setting value, this setting value according to
Be calculated according to standard GB/T1243 or GB/T14212, if the product is less than the setting value, described control unit 19 after
Supervention, which goes out, stretches control signal, and otherwise described control unit 19 sends stopping and holding pressure control signal, makes the double-action hydraulic
Cylinder 3 stops stretching, and keeps pressure；In above process, it is anti-through displacement transducer constantly to launch laser for displacement transducer 30
The reflection for penetrating plate 31 constantly receives laser, and displacement transducer 30 calculates displacement transducer 30 according to laser two-way time and passed with displacement
Displacement between sensor reflecting plate 31, and displacement signal is constantly sent to described control unit 19, described control unit 19 is real
When displacement signal is output to data receipt unit 29 through Date Conversion Unit 28.
For the drive chain of escalator of different model, establishing criteria changes the size of the small pilot hole of fixture 1, fixture
The size pilot hole size of accessory 1 and fixture fittings 27, the size of small pilot hole of fixture 28, fixture hold the footpath of bar 2 10
To size, above-mentioned rupture pull force experiment, fatigue test and chain length precision measure experiment can be equally completed.
In summary, the present invention can not only meet to carry out chain rupture pull force examination for the drive chain of escalator of different model
Test, the test requirements document of fatigue test and chain length precision measure experiment, and it is simple in construction, and cost is low.
Claims (7)
1. a kind of drive chain of escalator rupture pull force experiment, fatigue test and chain length precision measure experiment testing stand, its feature
It is to be made up of mechanical actuating unit and electrofluidic control device, wherein：
The mechanical actuating unit holds bar one by installation pedestal (1), hydraulic cylinder sleeve (2), double acting hydraulic cylinder (3), fixture
(4), fixture one (5), fixture fittings one (6), fixture fittings two (7), fixture two (8) and fixture hold bar two (10) composition, described
Fixture two (8) is secured by bolts in the middle part above installation pedestal (1), and 2 hydraulic cylinder sleeves (2) are secured by bolts in
Both ends above installation pedestal (1)；The double acting hydraulic cylinder (3) is 2, and one end does not fill suspension equipped with suspension earrings, the other end
Earrings, the one end for not filling suspension earrings are inserted in hydraulic cylinder sleeve (2), and one end equipped with suspension earrings is connected by hanging earrings
Fixture holds the end of bar one (4)；It is 2 that fixture, which holds bar two (10) and fixture fittings one (6), on the fixture fittings one (6)
Provided with second largest pilot hole and the second small pilot hole, second largest pilot hole holds bar two (10) for jockey, and two fixtures are matched somebody with somebody
Second small pilot hole of part one (6) is respectively used to connect chain test specimen (9) both ends；The fixture fittings two (7) share two pairs, often
Fixture fittings two (7) are respectively placed in the both sides of chain test specimen (9) one end, and positioned at the both sides of fixture fittings one (6)；The folder
One (5) of tool are provided with the first large assembly hole and the first small pilot hole, and the first large assembly hole is held in bar one (4) for jockey
Portion, the first small pilot hole are used for one fixture of connection and hold bar two (10)；The fixture fittings two (7) are provided with the third-largest pilot hole
With the 3rd small pilot hole, the third-largest pilot hole holds bar two (10) for jockey, and the 3rd small pilot hole is used to connect chain examination
The side of part (9) upper pin；Another described fixture holds bar two (10) jockey two (8)；
The electrofluidic control device is by fuel tank (11), overflow valve (12), coarse filter (13), hydraulic pump (14), fine filter
(15), three-position four-way electromagnetic directional valve (16), sensor one (17), sensor two (18), control unit (19), signal conversion are single
First (20), signal amplification unit (21), Date Conversion Unit (28), data receipt unit (29), displacement transducer (30) and position
Displacement sensor reflecting plate (31) forms；The oil inlet connection fuel tank (11) of the coarse filter (13), coarse filter (13) go out
The oil inlet of hydraulic fluid port connection hydraulic pump (14), the oil inlet of the oil-out connection fine filter (15) of hydraulic pump (14), essence filtering
The main oil inlet (26) of the oil-out connection three-position four-way electromagnetic directional valve (16) of device (15)；One end of the overflow valve (12) connects
Connected tank, the main oil inlet (26) of other end connection three-position four-way electromagnetic directional valve (16)；The three-position four-way electromagnetic directional valve
(16) main oil return opening (27) connection fuel tank, the second port (25) of three-position four-way electromagnetic directional valve (16) other side and
First port (24) connects the epicoele (23) and cavity of resorption (22) of double acting hydraulic cylinder (3) respectively；Described (17) one end of sensor one
Connect the epicoele (23) of two double acting hydraulic cylinders (3), other end connection control unit (19)；Described (18) one end of sensor two
Connect the cavity of resorption (22) of two double acting hydraulic cylinders (3), other end connection control unit (19)；Described control unit (19) has two
Individual output end, the input of the signal conversion unit (20) and the Date Conversion Unit (28) is connected respectively；The signal
The output end of converting unit (20) connects the input of the signal amplification unit (21), the signal amplification unit (21) it is defeated
Go out the electric signal input end that end connects the three-position four-way electromagnetic directional valve (16)；The output end of the Date Conversion Unit (28)
Connect the input of the data receipt unit (29)；Described control unit (19) has 3 inputs, and 2 inputs connect respectively
Connect the output end of the sensor one (17) and the sensor two (18), the 3rd input connection institute displacement sensors
(30) output end；Control signal is input to signal conversion unit (20), signal conversion unit by described control unit (19)
(20) after being changed to control signal, signal amplification unit (21) is input a signal into, control signal is through signal amplification unit
(21) three-position four-way electromagnetic directional valve (16) is conveyed to after amplification, controls its working condition；Meanwhile described control unit (19)
The real-time active force to chain test specimen (9) after processing is exported, data receiver list is conveyed to through Date Conversion Unit (28)
First (29), the force data to chain test specimen (9) received can be used for post-processing；Displacement transducer (30) is by displacement signal
Described control unit (19) is inputted, described control unit (19) can make accordingly according to displacement signal after carrying out processing judgement
Control command.
2. drive chain of escalator rupture pull force experiment according to claim 1, fatigue test and chain length precision measure examination
Test testing stand, it is characterised in that the Date Conversion Unit (28) uses USBCAN-II.
3. drive chain of escalator rupture pull force experiment according to claim 1, fatigue test and chain length precision measure examination
Test testing stand, it is characterised in that the data receipt unit (29) uses CANTest softwares.
4. drive chain of escalator rupture pull force experiment according to claim 1, fatigue test and chain length precision measure examination
Test testing stand, it is characterised in that institute's displacement sensors (30) are arranged on fixture two（8）On.
5. drive chain of escalator rupture pull force experiment according to claim 1, fatigue test and chain length precision measure examination
Test testing stand, it is characterised in that institute's displacement sensors reflecting plate (31) is arranged on fixture one (5).
6. drive chain of escalator rupture pull force experiment according to claim 4, fatigue test and chain length precision measure examination
Test testing stand, it is characterised in that institute's displacement sensors (30) are arranged on fixture two（8）Phase homonymy, and same vertical
On direction.
7. drive chain of escalator rupture pull force experiment according to claim 5, fatigue test and chain length precision measure examination
Test testing stand, it is characterised in that institute's displacement sensors reflecting plate (31) is arranged on the phase homonymy of fixture one (5), and same
On one vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510279454.1A CN104913978B (en) | 2015-05-28 | 2015-05-28 | A kind of drive chain of escalator rupture pull force experiment, fatigue test and chain length precision measure experiment testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510279454.1A CN104913978B (en) | 2015-05-28 | 2015-05-28 | A kind of drive chain of escalator rupture pull force experiment, fatigue test and chain length precision measure experiment testing stand |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104913978A CN104913978A (en) | 2015-09-16 |
| CN104913978B true CN104913978B (en) | 2017-12-26 |
Family
ID=54083234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510279454.1A Expired - Fee Related CN104913978B (en) | 2015-05-28 | 2015-05-28 | A kind of drive chain of escalator rupture pull force experiment, fatigue test and chain length precision measure experiment testing stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104913978B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124194A (en) * | 2016-06-03 | 2016-11-16 | 环球传动泰州有限公司 | One is exempted to disturb resistance to deformation resonant mode fatigue test clamper |
| CN108489807A (en) * | 2018-04-16 | 2018-09-04 | 杭州和泰输送设备有限公司 | A kind of chain rupture test machine |
| CN112326437B (en) * | 2020-11-04 | 2024-02-13 | 长沙理工大学 | Triaxial sliding asphalt pavement material triaxial test device and method |
| CN113686658B (en) * | 2021-10-26 | 2022-02-08 | 南通申诚机械有限公司 | Stress detection device for chain heat treatment and implementation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101581627A (en) * | 2009-06-25 | 2009-11-18 | 浙江大学 | Comprehensive performance test device of chain tensioner |
| CN201837559U (en) * | 2010-10-22 | 2011-05-18 | 南京利民机械有限责任公司 | Combined fixture for chain fatigue test |
| CN103115773A (en) * | 2013-02-07 | 2013-05-22 | 杭州东华链条集团有限公司 | High-speed chain rotation fatigue tester |
| CN203101049U (en) * | 2013-02-07 | 2013-07-31 | 杭州东华链条集团有限公司 | Chain high-speed revolution fatigue testing machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000338021A (en) * | 1999-05-26 | 2000-12-08 | Servo Technos:Kk | Movement vibration fatigue-testing device |
-
2015
- 2015-05-28 CN CN201510279454.1A patent/CN104913978B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101581627A (en) * | 2009-06-25 | 2009-11-18 | 浙江大学 | Comprehensive performance test device of chain tensioner |
| CN201837559U (en) * | 2010-10-22 | 2011-05-18 | 南京利民机械有限责任公司 | Combined fixture for chain fatigue test |
| CN103115773A (en) * | 2013-02-07 | 2013-05-22 | 杭州东华链条集团有限公司 | High-speed chain rotation fatigue tester |
| CN203101049U (en) * | 2013-02-07 | 2013-07-31 | 杭州东华链条集团有限公司 | Chain high-speed revolution fatigue testing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104913978A (en) | 2015-09-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104913978B (en) | A kind of drive chain of escalator rupture pull force experiment, fatigue test and chain length precision measure experiment testing stand | |
| CN108194435A (en) | A kind of bolt-type ocean lifting platform synchronization hydraulic system and its control method | |
| CN107063882A (en) | A kind of Rock Mechanics Test system for simulating deep ground environment | |
| CN104006034B (en) | Hydraulic servo variable-load loading test bench | |
| CN206725361U (en) | A kind of Rock Mechanics Test system for simulating deep ground environment | |
| CN102040161A (en) | System and method for preventing gliding during secondary lifting of crane | |
| CN106468605A (en) | A kind of torque limiter breakaway torque Calibrating experimental bench on wind driven generator coupler | |
| CN201434723Y (en) | Jack of large-sized structure weighting system and quick checking device of weight sensor | |
| CN207439676U (en) | Horizontal sliding bearing test-bed | |
| CN206270187U (en) | A kind of drag-line fatigue tester | |
| CN209117336U (en) | A kind of Pneuamtic actuator for valve model machine load test stand | |
| CN101865181A (en) | Automatic diagnostic system of hydraulic system applied to stage driving | |
| CN105465072B (en) | A kind of double cylinder control systems | |
| CN105129031A (en) | Lifting system for boarding bridge | |
| CN205861113U (en) | The intelligent liquefied petroleum gas steel cylinder water pressure test quickly detects line | |
| CN107167376A (en) | Ocean engineering corrosive pipeline experimental facilities | |
| CN110259764A (en) | A kind of hydraulic test bench of electricity hydrostatic actuator | |
| CN201512397U (en) | Multi-cylinder synchronization lifting platform | |
| CN110455638A (en) | A kind of material stress specificity analysis synthesis experiment platform and experimental method | |
| CN102748340A (en) | Method for analyzing energy loss of hydraulic system of loader working device | |
| CN202229868U (en) | Testing machine for suction lifting force of lifting permanent magnet | |
| CN205654627U (en) | Hydro -cylinder hydraulic drive system of super large jumbo | |
| CN102636383B (en) | Double-piston horizontal pinning mechanism of horizontal tension testing machine | |
| CN108116986A (en) | A kind of ocean platform crane pressure compensation control system | |
| CN209536075U (en) | A kind of Lifting tail gate decrease speed control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 |