CN104913978A - Escalator drive chain breaking tensile test, fatigue test and chain length precision measurement test table - Google Patents
Escalator drive chain breaking tensile test, fatigue test and chain length precision measurement test table Download PDFInfo
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- CN104913978A CN104913978A CN201510279454.1A CN201510279454A CN104913978A CN 104913978 A CN104913978 A CN 104913978A CN 201510279454 A CN201510279454 A CN 201510279454A CN 104913978 A CN104913978 A CN 104913978A
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- 238000012360 testing method Methods 0.000 title claims abstract description 106
- 238000009661 fatigue test Methods 0.000 title abstract 4
- 238000005259 measurement Methods 0.000 title abstract 4
- 238000009864 tensile test Methods 0.000 title abstract 4
- 238000006243 chemical reaction Methods 0.000 claims abstract description 43
- 238000006073 displacement reaction Methods 0.000 claims abstract description 42
- 230000003321 amplification Effects 0.000 claims abstract description 24
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims description 16
- 239000002828 fuel tank Substances 0.000 claims description 13
- 239000000725 suspension Substances 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 8
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 230000009466 transformation Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 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
- 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
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- 239000000243 solution Substances 0.000 description 1
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Abstract
The present invention relates to an escalator drive chain breaking tensile test, fatigue test and chain length precision measurement test table, which mainly comprises a mechanical execution apparatus and an electro-hydraulic control apparatus, wherein the mechanical execution apparatus mainly comprises two double-acting hydraulic cylinders, a clamper 1, a clamper 2, two clamper accessories 1, four clamper accessories 2, a clamper bearing rod 1, two clamper bearing rods 2, an installation base, and two hydraulic cylinder bushes, and the electro-hydraulic control apparatus mainly comprises an oil box, an overflow valve, a coarse filter, a hydraulic pump, a fine filter, a three-position four-way valve, a sensor 1, a sensor 2, a control unit, a signal conversion unit, a signal amplification unit, a data conversion unit, a data receiving unit, a displacement sensor, and a displacement sensor reflection plate. The escalator drive chain breaking tensile test, fatigue test and chain length precision measurement teat table of the present invention has characteristics of simple structure and low cost, and can complete the breaking tensile test, the fatigue test and the chain length precision measurement teat of different types of the escalator drive chains.
Description
Technical field
The present invention relates to elevator drive chain, particularly a kind of drive chain of escalator rupture pull force test, torture test and chain length precision measure test testing table.
Background technology
No matter escalator, as the special equipment for public place, is production, installs, safeguards all must have higher permit standard.Whether the drive chain of escalator of manufacturer production needs the test carrying out security performance before dispatching from the factory, to check its quality qualified.Due to the main failure forms that wearing and tearing in plant equipment, corrosion and fracture are parts, and the fracture strength of part, fatigue strength are the important indicators weighing its performance.In order to ensure the security in use of elevator chain, should check its minimum tensile strength according to GB/T 1243-2006, checking dynamic loading intensity according to GB/T1243 or GB/T14212, whether the chain length of test sample meets the demands simultaneously.At present, on the market drive chain of escalator rupture pull force test, torture test and chain length precision measure test specialized equipment little; And general fatigue tester is expensive, complex structure.
Summary of the invention
The object of this invention is to provide the test of a kind of drive chain of escalator rupture pull force, torture test and chain length precision measure test testing table, the rupture pull force test of the drive chain of escalator of different model, torture test and chain length precision measure test can not only be completed, and structure is simple, with low cost.
The technical solution used in the present invention is as follows: a kind of drive chain of escalator rupture pull force test, torture test and chain length precision measure test testing table, is characterized in that being made up of mechanical actuating unit and electrofluidic control device, wherein:
Described mechanical actuating unit holds bar 1, fixture 1, fixture fittings 1, fixture fittings 27, fixture 28 and fixture by mounting base 1, hydraulic cylinder sleeve 2, double acting hydraulic cylinder 3, fixture and holds bar 2 10 and form, described fixture 28 is secured by bolts in the middle part above mounting base 1, and 2 hydraulic cylinder sleeves 2 are secured by bolts in two ends above mounting base 1; Described double acting hydraulic cylinder 3 is 2, and suspension earrings is equipped with in one end, and the other end does not fill suspension earrings, does not fill the one end hanging earrings and inserts in hydraulic cylinder sleeve 2, and bar 1 is held in the one end hanging earrings end by hanging earrings jockey is housed; Fixture holds bar 2 10 and fixture fittings 1 is 2, described fixture fittings 1 is provided with second largest pilot hole and the second little pilot hole, second largest pilot hole is used for jockey and holds bar 2 10, and the second little pilot hole of two fixture fittings 1 is respectively used to connect chain test specimen 9 two ends; It is two right that described fixture fittings 27 has, and often pair of fixture fittings 27 is placed in the both sides of chain test specimen 9 one end respectively, and is positioned at the both sides of fixture fittings 1; Described fixture 1 is provided with first pilot hole and the first little pilot hole, and first pilot hole is used for the middle part that jockey holds bar 1, and the first little pilot hole holds bar 2 10 for connecting a fixture; Described fixture fittings 27 is provided with the third-largest pilot hole and the 3rd little pilot hole, and the third-largest pilot hole is used for jockey and holds bar 2 10, and the 3rd little pilot hole is for connecting the side of chain test specimen 9 upper pin; Another fixture described holds bar 2 10 jockey 28;
Described electrofluidic control device is made up of fuel tank 11, surplus valve 12, coarse filter 13, hydraulic pump 14, fine filter 15, three-position four-way electromagnetic directional valve 16, sensor 1, sensor 2 18, control module 19, signal conversion unit 20, signal amplification unit 21, Date Conversion Unit 28, data receipt unit 29, displacement transducer 30 and displacement transducer reflecting plate 31; The oil-in of described coarse filter 13 connects fuel tank 11, the oil-in of the oil-out connecting fluid press pump 14 of coarse filter 13, the oil-out of hydraulic pump 14 connects the oil-in of fine filter 15, and the oil-out of fine filter 15 connects the main oil-in 26 of three-position four-way electromagnetic directional valve 16; One end of described surplus valve 12 connects fuel tank, and the other end connects the main oil-in 26 of three-position four-way electromagnetic directional valve 16; The main oil return opening 27 of described three-position four-way electromagnetic directional valve 16 connects fuel tank, and the second port 25 and first port 24 of the other side of described three-position four-way electromagnetic directional valve 16 are connected epicoele 23 and the cavity of resorption 22 of double acting hydraulic cylinder 3 respectively; Described sensor 1 one end connects the epicoele 23 of two double acting hydraulic cylinders 3, other end connection control unit 19; Described sensor 2 18 one end connects the cavity of resorption 22 of two double acting hydraulic cylinders 3, other end connection control unit 19; Described control module 19 has two output terminals, connects the input end of described signal conversion unit 20 and described Date Conversion Unit 28 respectively; The output terminal of described signal conversion unit 20 connects the input end of described signal amplification unit 21, and the output terminal of described signal amplification unit 21 connects the electric signal input end of described three-position four-way electromagnetic directional valve 16; The output terminal of described Date Conversion Unit 28 connects the input end of described data receipt unit 29; Described control module 19 has 3 input ends, and 2 input ends connect the output terminal of described sensor 1 and described sensor 2 18 respectively, and the 3rd input end connects the output terminal of institute's displacement sensors 30.Control signal is input to signal conversion unit by described control module, signal conversion unit is changed control signal, after by signal input signal amplifying unit, control signal flows to three-position four-way electromagnetic directional valve after the amplification of signal amplification unit, controls its duty; Simultaneously, Date Conversion Unit one end connects described control module, and one end is connected to data receipt unit, and the real-time acting force to chain test specimen after process exports by described control module, flow to data receipt unit through Date Conversion Unit, the force data received can be used for aftertreatment; In addition displacement transducer connects described control module, and displacement signal is inputted described control module, and described control module, according to displacement signal, carries out can making corresponding control command after process judges.
In the present invention, described Date Conversion Unit adopts USBCAN-II.
In the present invention, described data receipt unit adopts CANTest software.
In the present invention, institute's displacement sensors is 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 same side of fixture, and on same vertical direction.
Beneficial effect of the present invention is: the present invention's drive chain of escalator that can not only meet for different model carries out the testing requirements of the test of chain rupture pull force, torture test and chain length precision measure test, and structure is simple, and cost is low.
Accompanying drawing explanation
Fig. 1 is mechanical actuating unit structural representation of the present invention;
Fig. 2 is the principle schematic of electrofluidic control device of the present invention.
In figure: 1-mounting base, 2-hydraulic cylinder sleeve, 3-double acting hydraulic cylinder, 4-fixture holds bar one, 5-fixture one, 6-fixture fittings one, 7-fixture fittings two, 8-fixture two, 9-chain test specimen, 10-fixture holds bar two, 11-fuel tank, 12-surplus valve, 13-coarse filter, 14-hydraulic pump, 15-fine filter, 16-three-position four-way electromagnetic directional valve, 17-sensor one, 18-sensor two, 19-control module, 20-signal conversion unit, 21-signal amplification unit, 22-cavity of resorption, 23-epicoele, 24, 25-is respectively first, second port, the main oil-in of 26-, the main oil return opening of 27-, 28-Date Conversion Unit, 29-data receipt unit, 30-displacement transducer, 31-displacement transducer reflecting plate.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated, and embodiments of the present invention are not limited to following embodiment, and the various changes made under the prerequisite not departing from present inventive concept all belong within protection scope of the present invention.
Embodiment 1: a kind of drive chain of escalator rupture pull force test, torture test and chain length precision measure test testing table, primarily of mechanical actuating unit and electrofluidic control device two parts composition.Figure 1 shows that the mechanical actuating unit of testing table is tested in the test of described drive chain of escalator rupture pull force, torture test and chain length precision measure.Described mechanical actuating unit holds bar 1 primarily of mounting base 1, hydraulic cylinder sleeve 2, double acting hydraulic cylinder 3, fixture, fixture 1, fixture fittings 1, fixture fittings 27, fixture 28, fixture hold bar 2 10 and form.Described mounting base 1 is bolted with fixture 28 and 2 hydraulic cylinder sleeves 2, and 2 hydraulic cylinder sleeves 2 are placed in the two ends of described mounting base 1 respectively.Suspension earrings is equipped with in described double acting hydraulic cylinder 3 one end, and the other end does not fill suspension earrings, does not fill that one end hanging earrings and is inserted in hydraulic cylinder sleeve 2, and bar 1 is held in the one end hanging earrings end by hanging earrings jockey is housed.Described fixture 1 has size two pilot holes, first pilot hole is used for the middle part that jockey holds bar 1, and the first little pilot hole is used for jockey and holds bar 2 10.Described fixture fittings 1 has size two pilot holes, second largest pilot hole is used for jockey and holds bar 2 10, and the second little pilot hole is for connecting the stage casing of pin on chain test specimen 9.Described fixture fittings 1 has 2, is placed in the two ends of chain test specimen 9 respectively.Described fixture fittings 27 has size two pilot holes, the third-largest pilot hole is used for jockey and holds bar 2 10, and the 3rd little pilot hole is for connecting the side of chain test specimen 9 upper pin.Described fixture fittings 27 has 4, and points two right, and two to the two ends being placed in chain test specimen 9 respectively, and wherein two fixture fittings 27 of every centering are placed in the both sides of fixture fittings 1 respectively.Described fixture holds bar 2 10 and has 2, and another is placed in other end jockey 28,1 fixture fittings 1 and 2 fixture fittings 27 of chain test specimen 9.
Figure 2 shows that the principle schematic of the electrofluidic control device of testing table is tested in the test of described drive chain of escalator rupture pull force, torture test and chain length precision measure.Described electrofluidic control device forms primarily of fuel tank 11, surplus valve 12, coarse filter 13, hydraulic pump 14, fine filter 15, three-position four-way electromagnetic directional valve 16, sensor 1, sensor 2 18, control module 19, signal conversion unit 20, signal amplification unit 21, Date Conversion Unit 28, data receipt unit 29, displacement transducer 30 and displacement transducer reflecting plate 31; Wherein: the oil-in of described coarse filter 13 connects fuel tank 11, the oil-in of the oil-out connecting fluid press pump 14 of coarse filter 13, the oil-out of hydraulic pump 14 connects the oil-in of fine filter 15, and the oil-out of fine filter 15 connects the main oil-in 26 of three-position four-way electromagnetic directional valve 16; One end of described surplus valve 12 connects fuel tank, and the other end connects the main oil-in 26 of three-position four-way electromagnetic directional valve 16; The main oil return opening 27 of described three-position four-way electromagnetic directional valve 16 connects fuel tank, and the second port 25 and first port 24 of side are connected epicoele 23 and the cavity of resorption 22 of double acting hydraulic cylinder 3 respectively in addition; Described sensor 1 one end connects the epicoele 23 of two double acting hydraulic cylinders 3, other end connection control unit 19; Described sensor 2 18 one end connects the cavity of resorption 22 of two double acting hydraulic cylinders 3, other end connection control unit 19; Described control module 19 has two output terminals, connects the input end of described signal conversion unit 20 and described Date Conversion Unit 28 respectively; The output terminal of described signal conversion unit 20 connects the input end of described signal amplification unit 21, and the output terminal of described signal amplification unit 21 connects the electric signal input end of described three-position four-way electromagnetic directional valve 16; The output terminal of described Date Conversion Unit 28 connects the input end of described data receipt unit 29; Described control module 19 has 3 input ends, except connecting described sensor 1 and described sensor 2 18 output terminal 2, also has 1 input end to connect the output terminal of institute's displacement sensors 30.Control signal is input to signal conversion unit 20 by described control module 19, after signal conversion unit 20 pairs of control signals are changed, by signal input signal amplifying unit 21, control signal is after the amplification of signal amplification unit 21, flow to three-position four-way electromagnetic directional valve 16, control its duty; Simultaneously, Date Conversion Unit 28 one end connects described control module 19, the other end connects described data receipt unit 29, the real-time acting force to chain test specimen 9 after process exports by described control module 19, flow to data receipt unit 29 through Date Conversion Unit 28, the force data received can be used for aftertreatment; In addition, displacement transducer 30 connects described control module 19, displacement signal is inputted described control module 19, and described control module 19, according to displacement signal, carries out can making corresponding control command after process judges.Described Date Conversion Unit 28 adopts USBCAN-II.Described data receipt unit 29 adopts CANTest software.Institute's displacement sensors 30 is arranged on fixture 28.Institute's displacement sensors reflecting plate 31 is arranged on fixture 1.Institute's displacement sensors 30 and institute's displacement sensors reflecting plate 31 are arranged on the same side of fixture, and on same vertical direction.
For the torture test of drive chain of escalator, under original state, described control module 19 sends stretching control signal, after the signal transformation of signal conversion unit 20 and the signal amplification of signal amplification unit 21, control three-position four-way electromagnetic directional valve 16, make the work of described three-position four-way electromagnetic directional valve 16 bottom, the i.e. cavity of resorption oil-feed of two double acting hydraulic cylinders 3, epicoele oil return, that one end of the dress suspension earrings of described two double acting hydraulic cylinders 3 protrudes upward, the bearing pin of described chain test specimen 9 is passed through in one end due to described chain test specimen 9, fixture fittings 1, be placed in 2 fixture fittings 27 of fixture fittings 1 both sides, fixture holds the acting in conjunction of bar 2 10 and fixture 28, finally by being bolted to mounting base 1, so the action that protrudes upward that the dress of two double acting hydraulic cylinders 3 hangs that one end of earrings can hold bar 1 through fixture, fixture 1, fixture holds bar 2 10, fixture fittings 1, the bearing pin of 2 fixture fittings 27 and described chain test specimen 9 that are placed in fixture fittings 1 both sides drives described chain test specimen 9 to stretch, in the drawing process of described chain test specimen 9, the fuel injection pressure signal of collection is passed to described control module 19 by sensor 2 18 and sensor 1 in real time, the fuel injection pressure signal that described control module 19 pairs of sensors 2 18 gather and setting value compare, when the fuel injection pressure signal that sensor 2 18 gathers is less than setting value, described control module 19 continues to send stretching control signal, when the fuel injection pressure signal that sensor 2 18 gathers is greater than setting value, described control module 19 continues to send contraction control signal, the upper work of three-position four-way electromagnetic directional valve 16 is controlled through signal conversion unit 20 and signal amplification unit 21, the i.e. cavity of resorption oil return of two double acting hydraulic cylinders 3, epicoele oil-feed, the dress of described two double acting hydraulic cylinders 3 hangs that one end retracted downward of earrings, contractive action keeps setting-up time, complete a load cycle process.Afterwards, described control module 19 is judging again to send stretching control signal after systolic time reaches time setting value, repeats said process.Thus the fatigue loading realized drive chain of escalator.It is pointed out that described time setting value need be debugged situation according to reality and determine; In above process, described control module 19 exports in real time and gathers and load data after processing, after described Date Conversion Unit 28 process, be transported to described data receipt unit 29.
Rupture pull force for drive chain of escalator is tested, described control module 19 sends stretching control signal, after the signal transformation of signal conversion unit 20 and the signal amplification of signal amplification unit 21, control three-position four-way electromagnetic directional valve 16, make the work of described three-position four-way electromagnetic directional valve 16 bottom, the i.e. cavity of resorption oil-feed of two double acting hydraulic cylinders 3, epicoele oil return, that one end of the dress suspension earrings of described two double acting hydraulic cylinders 3 protrudes upward, the bearing pin of described chain test specimen 9 is passed through in one end due to described chain test specimen 9, fixture fittings 1, be placed in 2 fixture fittings 27 of fixture fittings 1 both sides, fixture holds the acting in conjunction of bar 2 10 and fixture 28, finally by being bolted to mounting base 1, so the action that protrudes upward that the dress of two double acting hydraulic cylinders 3 hangs that one end of earrings can hold bar 1 through fixture, fixture 1, fixture holds bar 2 10, fixture fittings 1, the bearing pin of 2 fixture fittings 27 and described chain test specimen 9 that are placed in fixture fittings 1 both sides drives described chain test specimen 9 to stretch, described control module 19 sends stretching control signal always, make described chain test specimen 9 stretch until rupture always, described chain test specimen 9 is when rupturing, the fuel injection pressure signal that described sensor 2 18 collects diminishes suddenly, described control module 19 sends stopping load signal after the fuel injection pressure signal diminished suddenly receiving the transmission of described sensor 2 18, controls the work of described three-position four-way electromagnetic directional valve 16 meta.In above process, described control module 19 exports in real time and gathers and load data after processing, after described Date Conversion Unit 28 process, be transported to described data receipt unit 29; Stretch until before rupturing at described chain test specimen 9, the load data that described control module 19 exports constantly increases, rupture moment and afterwards at described chain test specimen 9, the load data that described control module 19 exports becomes very little immediately, can judge the rupture pull force of drive chain of escalator thus.
Chain length precision measure for drive chain of escalator is tested, described control module 19 sends stretching control signal, after the signal transformation of signal conversion unit 20 and the signal amplification of signal amplification unit 21, control three-position four-way electromagnetic directional valve 16, make the work of described three-position four-way electromagnetic directional valve 16 bottom, the i.e. cavity of resorption oil-feed of two double acting hydraulic cylinders 3, epicoele oil return, that one end of the dress suspension earrings of described two double acting hydraulic cylinders 3 protrudes upward, the bearing pin of described chain test specimen 9 is passed through in one end due to described chain test specimen 9, fixture fittings 1, be placed in 2 fixture fittings 27 of fixture fittings 1 both sides, fixture holds the acting in conjunction of bar 2 10 and fixture 28, finally by being bolted to mounting base 1, so the action that protrudes upward that the dress of two double acting hydraulic cylinders 3 hangs that one end of earrings can hold bar 1 through fixture, fixture 1, fixture holds bar 2 10, fixture fittings 1, the bearing pin of 2 fixture fittings 27 and described chain test specimen 9 that are placed in fixture fittings 1 both sides drives described chain test specimen 9 to stretch, in the drawing process of described chain test specimen 9, the fuel injection pressure signal of collection is passed to described control module 19 by sensor 2 18 and sensor 1 in real time, the fuel injection pressure signal that described control module 19 pairs of sensors 2 18 and sensor 1 gather carries out logical process, namely the oil pressure value that sensor 2 18 gathers deducts the oil pressure value acquired results that sensor 1 gathers and is multiplied by the useful area of described double acting hydraulic cylinder 3, obtained product is compared with setting value, this setting value establishing criteria GB/T1243 or GB/T14212 calculates, if described product is less than described setting value, then described control module 19 continues to send stretching control signal, otherwise described control module 19 sends and stops and holding pressure control signal, described double acting hydraulic cylinder 3 is made to stop stretching, and keep pressure, in above process, displacement transducer 30 constantly Emission Lasers constantly receives laser through the reflection of displacement transducer reflecting plate 31, displacement transducer 30 is according to the displacement between laser displacement calculating two-way time sensor 30 and displacement transducer reflecting plate 31, and constantly displacement signal being sent to described control module 19, displacement signal is outputted to data receipt unit 29 through Date Conversion Unit 28 by described control module 19 in real time.
For the drive chain of escalator of different model, establishing criteria changes the radial dimension that the size of little pilot hole of fixture 1, fixture fittings 1 and the size pilot hole size of fixture fittings 27, the size of the little pilot hole of fixture 28, fixture hold bar 2 10, can complete the test of above-mentioned rupture pull force, torture test and chain length precision measure test equally.
In sum, the present invention's drive chain of escalator that can not only meet for different model carries out the testing requirements of the test of chain rupture pull force, torture test and chain length precision measure test, and structure is simple, and cost is low.
Claims (6)
1. drive chain of escalator rupture pull force test, torture test and a chain length precision measure test testing table, is characterized in that being made up of mechanical actuating unit and electrofluidic control device, wherein:
Described mechanical actuating unit holds bar one (4), fixture one (5), fixture fittings one (6), fixture fittings two (7), fixture two (8) and fixture by mounting base (1), hydraulic cylinder sleeve (2), double acting hydraulic cylinder (3), fixture and holds bar two (10) and form, described fixture two (8) is secured by bolts in the middle part of mounting base (1) top, and 2 hydraulic cylinder sleeves (2) are secured by bolts in two ends, mounting base (1) top; Described double acting hydraulic cylinder (3) is 2, suspension earrings is equipped with in one end, the other end does not fill suspension earrings, do not fill the one end hanging earrings to insert in hydraulic cylinder sleeve (2), bar one (4) is held in the one end hanging earrings end by hanging earrings jockey is housed; Fixture holds bar two (10) and fixture fittings one (6) is 2, described fixture fittings one (6) is provided with second largest pilot hole and the second little pilot hole, second largest pilot hole is used for jockey and holds bar two (10), and the second little pilot hole of two fixture fittings one (6) is respectively used to connect chain test specimen (9) two ends; It is two right that described fixture fittings two (7) has, and often pair of fixture fittings two (7) is placed in the both sides of chain test specimen (9) one end respectively, and is positioned at the both sides of fixture fittings one (6); Described fixture one (5) is provided with first pilot hole and the first little pilot hole, and first pilot hole is used for the middle part that jockey holds bar one (4), and the first little pilot hole holds bar two (10) for connecting a fixture; Described fixture fittings two (7) is provided with the third-largest pilot hole and the 3rd little pilot hole, and the third-largest pilot hole is used for jockey and holds bar two (10), and the 3rd little pilot hole is for connecting the side of chain test specimen (9) upper pin; Another fixture described holds bar two (10) jockey two (8);
Described electrofluidic control device is by fuel tank (11), surplus 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 module (19), signal conversion unit (20), signal amplification unit (21), Date Conversion Unit (28), data receipt unit (29), displacement transducer (30) and displacement transducer reflecting plate (31) composition, the oil-in of described coarse filter (13) connects fuel tank (11), the oil-in of the oil-out connecting fluid press pump (14) of coarse filter (13), the oil-out of hydraulic pump (14) connects the oil-in of fine filter (15), and the oil-out of fine filter (15) connects the main oil-in (26) of three-position four-way electromagnetic directional valve (16), one end of described surplus valve (12) connects fuel tank, and the other end connects the main oil-in (26) of three-position four-way electromagnetic directional valve (16), the main oil return opening (27) of described three-position four-way electromagnetic directional valve (16) connects fuel tank, and the second port (25) and first port (24) of the other side of described three-position four-way electromagnetic directional valve (16) are connected epicoele (23) and the cavity of resorption (22) of double acting hydraulic cylinder (3) respectively, described sensor one (17) one end connects the epicoele (23) of two double acting hydraulic cylinders (3), other end connection control unit (19), described sensor two (18) one end connects the cavity of resorption (22) of two double acting hydraulic cylinders (3), other end connection control unit (19), described control module (19) has two output terminals, connects the input end of described signal conversion unit (20) and described Date Conversion Unit (28) respectively, the output terminal of described signal conversion unit (20) connects the input end of described signal amplification unit (21), and the output terminal of described signal amplification unit (21) connects the electric signal input end of described three-position four-way electromagnetic directional valve (16), the output terminal of described Date Conversion Unit (28) connects the input end of described data receipt unit (29), described control module (19) has 3 input ends, 2 input ends connect the output terminal of described sensor one (17) and described sensor two (18) respectively, and the 3rd input end connects the output terminal of institute's displacement sensors (30), control signal is input to signal conversion unit (20) by described control module (19), after signal conversion unit (20) is changed control signal, by signal input signal amplifying unit (21), control signal flows to three-position four-way electromagnetic directional valve (16) after the amplification of signal amplification unit (21), controls its duty, simultaneously, the real-time acting force to chain test specimen (9) after process exports by described control module (19), flow to data receipt unit (29) through Date Conversion Unit (28), what receive can be used for aftertreatment to the force data of chain test specimen (9), displacement signal is inputted described control module (19) by displacement transducer (30), and described control module (19), according to displacement signal, carries out can making corresponding control command after process judges.
2. drive chain of escalator rupture pull force test according to claim 1, torture test and chain length precision measure test testing table, it is characterized in that, described Date Conversion Unit (28) adopts USBCAN-II.
3. drive chain of escalator rupture pull force test according to claim 1, torture test and chain length precision measure test testing table, it is characterized in that, described data receipt unit (29) adopts CANTest software.
4. drive chain of escalator rupture pull force test according to claim 1, torture test and chain length precision measure test testing table, it is characterized in that, institute's displacement sensors (30) is arranged on fixture two (8).
5. drive chain of escalator rupture pull force test according to claim 1, torture test and chain length precision measure test testing table, it is characterized in that, institute's displacement sensors reflecting plate (31) is arranged on fixture one (5).
6. drive chain of escalator rupture pull force test according to claim 1, torture test and chain length precision measure test testing table, it is characterized in that, institute's displacement sensors (30) and institute's displacement sensors reflecting plate (31) are arranged on the same side of fixture, and on same vertical direction.
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| 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 |
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| 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 |
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| 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 |
| CN112326437A (en) * | 2020-11-04 | 2021-02-05 | 长沙理工大学 | Triaxial test device and method for three-dimensional sliding type asphalt pavement material |
| CN113686658A (en) * | 2021-10-26 | 2021-11-23 | 南通申诚机械有限公司 | Stress detection device for chain heat treatment and implementation method thereof |
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| JP2000338021A (en) * | 1999-05-26 | 2000-12-08 | Servo Technos:Kk | Movement vibration fatigue-testing device |
| 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 |
Cited By (6)
| 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 |
| CN112326437A (en) * | 2020-11-04 | 2021-02-05 | 长沙理工大学 | Triaxial test device and method for three-dimensional sliding type asphalt pavement material |
| CN112326437B (en) * | 2020-11-04 | 2024-02-13 | 长沙理工大学 | Triaxial sliding asphalt pavement material triaxial test device and method |
| CN113686658A (en) * | 2021-10-26 | 2021-11-23 | 南通申诚机械有限公司 | Stress detection device for chain heat treatment and implementation method thereof |
| 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 |
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