HRP20221153T1 - Measuring system and measuring method for testing the catching device of an elevator - Google Patents

Measuring system and measuring method for testing the catching device of an elevator Download PDF

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Publication number
HRP20221153T1
HRP20221153T1 HRP20221153TT HRP20221153T HRP20221153T1 HR P20221153 T1 HRP20221153 T1 HR P20221153T1 HR P20221153T T HRP20221153T T HR P20221153TT HR P20221153 T HRP20221153 T HR P20221153T HR P20221153 T1 HRP20221153 T1 HR P20221153T1
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Croatia
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counterweight
elevator
distance
acceleration sensor
measuring device
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HRP20221153TT
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Croatian (hr)
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Matthias Gehrke
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Dekra E.V.
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Publication of HRP20221153T1 publication Critical patent/HRP20221153T1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0087Devices facilitating maintenance, repair or inspection tasks
    • B66B5/0093Testing of safety devices

Claims (19)

1. Mjerni sustav (10) za određivanje energije hvatanja EFang sigurnosnog uređaja (26) dizala s užetom (100), koje je pomoću užeta (14) povezano s protuutegom (16), koje sadrži najmanje jedan uređaj za mjerenje udaljenosti (56) za određivanje udaljenosti s kabine dizala (18) i/ili protuutega (16) od fiksne točke (58), pri čemu mjerni sustav uključuje (10) drugi uređaj za mjerenje udaljenosti (56) i/ili senzor ubrzanja (32), uređaj za otkrivanje relativnog položaja (52) za otkrivanje promjene relativnog položaja Δs između kabine dizala (18) i protuutega (16) na kraju spuštanja kabine dizala (18) pomoću kočenja sigurnosne opreme (26) i analizator (54) za određivanje energije hvatanja EFang, kad se kabina dizala (18) i protuuteg zaustave (16) na temelju tijeka promjene relativnog položaja Δs između kabine dizala (18) i protuutega (16).1. Measuring system (10) for determining the energy of capture of the EFang safety device (26) of an elevator with a rope (100), which is connected by a rope (14) to a counterweight (16), which contains at least one distance measuring device (56) for determining the distance from the elevator car (18) and/or the counterweight (16) from the fixed point (58), wherein the measuring system includes (10) a second distance measuring device (56) and/or an acceleration sensor (32), a detection device relative position (52) to detect the change in the relative position Δs between the elevator car (18) and the counterweight (16) at the end of the elevator car (18) descent using the braking safety equipment (26) and the analyzer (54) to determine the capture energy EFang, when the elevator car (18) and the stop counterweight (16) based on the course of change of the relative position Δs between the elevator car (18) and the counterweight (16). 2. Sustav (10) prema zahtjevu 1, naznačen time što je uređaj za mjerenje udaljenosti (56) optički uređaj za mjerenje udaljenosti (30) koji se reflektira u fiksnoj točki (58) i čiji se optički mjerni snop reflektira (48) na optičkom reflektoru (38) na donjoj ili gornjoj strani kabine dizala (18) i/ili protuutega (16).2. System (10) according to claim 1, characterized in that the distance measuring device (56) is an optical distance measuring device (30) which is reflected at a fixed point (58) and whose optical measuring beam is reflected (48) on the optical reflector (38) on the lower or upper side of the elevator cabin (18) and/or counterweight (16). 3. Sustav (10) prema zahtjevu 1 ili 2, naznačen time što uređaj za mjerenje udaljenosti (56) obuhvaća uređaj za mjerenje udaljenosti koji se temelji na senzoru ubrzanja ili kameri (30), koji na temelju mjerenja ubrzanja ili prepoznavanja slikovnih podataka prepoznaje promjenu udaljenosti od fiksne točke (58).3. The system (10) according to claim 1 or 2, characterized in that the distance measuring device (56) comprises a distance measuring device based on an acceleration sensor or a camera (30), which recognizes a change based on acceleration measurement or image data recognition distance from the fixed point (58). 4. Sustav (10) prema jednom od prethodnih zahtjeva, naznačen time što je obuhvaćen na protuutegu (16) postavljeni senzor ubrzanja (32) i uređaj za mjerenje udaljenosti (56) je postavljen mjeriti udaljenost s između kabine dizala (18) i fiksne točke (58), a uređaj za otkrivanje relativnog položaja (52) je postavljen, na temelju tijeka udaljenosti s kabine dizala (18) u odnosu na fiksnu točku (28) i vrijednost ubrzanja aGG na protuutegu (16) postavljenog senzora ubrzanja (32), određivati promjenu relativnog položaja Δs.4. The system (10) according to one of the previous claims, characterized in that the acceleration sensor (32) placed on the counterweight (16) is included and the distance measuring device (56) is set to measure the distance s between the elevator cabin (18) and a fixed point (58), and the device for detecting the relative position (52) is set, based on the course of the distance from the elevator car (18) in relation to the fixed point (28) and the acceleration value aGG on the counterweight (16) of the installed acceleration sensor (32), determine the change in relative position Δs. 5. Sustav (10) prema jednom od prethodnih zahtjeva, naznačen time što je žirometar (36) i/ili senzor ubrzanja (32) postavljen na kabini dizala (18) za određivanje nagiba kabine dizala (18) i postavljen je uređaj za analizu (54) za određivanje neravnomjernog učinka kočenja sigurnosnog uređaja (26) na temelju utvrđenog nagiba.5. System (10) according to one of the preceding claims, characterized in that the gyrometer (36) and/or acceleration sensor (32) is placed on the elevator car (18) for determining the inclination of the elevator car (18) and an analysis device is installed ( 54) to determine the uneven braking effect of the safety device (26) based on the determined slope. 6. Sustav (10) prema jednom od prethodnih zahtjeva, naznačen time što senzor ubrzanja (32) i/ili žirometar (36) i uređaj za mjerenje udaljenosti (56) sadrže internu memoriju podataka za vremensko snimanje izmjerenih vrijednosti, pri čemu je uređaj za analizu (54) postavljen da odredi energiju hvatanja EFang i nakon završetka procesa mjerenja, vrši vremensku dodjelu izmjerenih vrijednosti sa senzora ubrzanja (32) i/ili žirometra (36) i uređaja za mjerenje udaljenosti (56) pomoću unakrsne korelacije.6. The system (10) according to one of the preceding claims, characterized in that the acceleration sensor (32) and/or gyrometer (36) and the distance measuring device (56) contain an internal data memory for time recording of the measured values, wherein the device for the analysis (54) is set to determine the capture energy EFang and after the completion of the measurement process, performs a time allocation of the measured values from the acceleration sensor (32) and/or gyrometer (36) and the distance measuring device (56) using cross-correlation. 7. Sustav (10) prema zahtjevu 6, naznačen time što se senzor ubrzanja (32) i/ili žirometar (36) s uređajem za analizu (54) preko kontaktne jedinice (68) mogu privremeno povezati za razmjenu podataka, pri čemu je uređaj za analizu (54) uključen u uređaj za mjerenje udaljenosti (56) koji je konstruiran kao prenosivi uređaj.7. The system (10) according to claim 6, characterized in that the acceleration sensor (32) and/or gyrometer (36) can be temporarily connected to the analysis device (54) via the contact unit (68) for data exchange, the device being for analysis (54) included in the distance measuring device (56) which is designed as a portable device. 8. Sustav (10) prema jednom od prethodnih zahtjeva 1 do 5, naznačen time što se podaci bežično prenose između senzora ubrzanja (32) i/ili žirometra (36) i uređaja za mjerenje udaljenosti (56) radijskim prijenosom preko radio antena (34).8. System (10) according to one of the previous claims 1 to 5, characterized in that the data is wirelessly transmitted between the acceleration sensor (32) and/or gyrometer (36) and the distance measuring device (56) by radio transmission via radio antennas (34 ). 9. Sustav (10) prema jednom od prethodnih zahtjeva, naznačen time što je uključen najmanje jedan, a posebno nekoliko uređaja za mjerenje sile (46), koji su postavljeni za mjerenje sile težine mFK kabine dizala (18) i/ili sile težine mGG protuutega (16), a koji su spojeni s uređajem za analizu (54) za određivanje energije hvatanja EFang sigurnosnog uređaja (26).9. System (10) according to one of the previous claims, characterized in that at least one, and especially several force measuring devices (46) are included, which are set to measure the weight force mFK of the elevator cabin (18) and/or the weight force mGG counterweight (16), which are connected to the analysis device (54) for determining the capture energy of the EFang safety device (26). 10. Postupak za karakterizaciju sigurnosnog uređaja (26) dizala s užetom (100), korištenjem sustava (10) prema jednom od prethodnih zahtjeva sustava, kod kojeg se; - u prvom koraku (S1) određuje sila hvatanja EFang sigurnosnog uređaja (26) pri nazivnoj brzini vnenn spuštanja neopterećene kabine dizala (18) s praznom težinom mFK, pri čemu se mora postignuti kočenje aFang_leer > 1 g; - u drugom koraku (S2), ispitna brzina vtest > vnenn određuje kao funkcija sile hvatanja FFang i/ili kočenja aFang_leer, pri čemu se javlja unaprijed određeno ispitno opterećenje sigurnosnog uređaja (26) i dizala s užetom (100); - u trećem koraku (S3) provodi probni rad pri specifičnoj ispitnoj brzini vtest > vnenn s neopterećenom kabinom dizala (18) s praznom težinom mFK, pri čemu se bilježi promjena relativnog položaja Δs kabine dizala (18) u odnosu na protuuteg (16); - u četvrtom koraku (S4) vrši procjena je li zabilježena promjena relativnog položaja Δs, koja odgovara specifičnom opterećenju ili silama ubrzanja i energijama kočenja, dovoljna za postizanje unaprijed određenog ispitnog opterećenja dizala s užetom (100), te određuje li se željena energija hvatanja EFang.10. Procedure for characterizing the safety device (26) of the rope elevator (100), using the system (10) according to one of the previous requirements of the system, in which; - in the first step (S1), the gripping force of the EFang safety device (26) is determined at the rated speed vnenn of lowering the unloaded elevator cabin (18) with empty weight mFK, where braking aFang_leer > 1 g must be achieved; - in the second step (S2), the test speed vtest > vnenn is determined as a function of the gripping force FFang and/or the braking force aFang_leer, whereby a predetermined test load of the safety device (26) and the rope elevator (100) occurs; - in the third step (S3) he performs a test run at a specific test speed vtest > vnenn with an unloaded elevator cabin (18) with an empty weight mFK, where the change in the relative position Δs of the elevator cabin (18) in relation to the counterweight (16) is recorded; - in the fourth step (S4), it evaluates whether the recorded change in relative position Δs, which corresponds to the specific load or acceleration forces and braking energies, is sufficient to achieve the predetermined test load of the rope elevator (100), and whether the desired gripping energy EFang is determined . 11. Postupak prema zahtjevu 10, naznačen time što se promjena relativnog položaja Δs kabine dizala (18) u odnosu na protuuteg (16) određuje korelacijom izmjerenih vrijednosti s optičkog uređaja za udaljenost (30a), koji mjeri udaljenost s kabine dizala (18) od fiksne točke (58), i s drugog uređaja za mjerenje udaljenosti (30b), koji mjeri udaljenost između fiksne točke (58) i protuutega (16) ili senzora ubrzanja (32) postavljenog na protuutegu (16), pri čemu se u koraku naknadne obrade, izmjerene vrijednosti kretanja kabine dizala (18) i protuutega (16) međusobno pridružuju pomoću unakrsne korelacije.11. The method according to claim 10, characterized in that the change in the relative position Δs of the elevator cabin (18) in relation to the counterweight (16) is determined by the correlation of the measured values from the optical distance device (30a), which measures the distance from the elevator cabin (18) fixed point (58), and from another distance measuring device (30b), which measures the distance between the fixed point (58) and the counterweight (16) or the acceleration sensor (32) placed on the counterweight (16), whereby in the post-processing step , the measured values of the movement of the elevator car (18) and the counterweight (16) are connected to each other by means of cross-correlation. 12. Postupak prema zahtjevu 10 ili 11, naznačen time što se utvrđena sila hvatanja Ffang uspoređuje s arhiviranom silom hvatanja Ffang_old iz baze podataka, te se utvrđuje i procjenjuje odstupanje u silama hvatanja.12. The method according to claim 10 or 11, characterized in that the determined gripping force Ffang is compared with the archived gripping force Ffang_old from the database, and the deviation in gripping forces is determined and evaluated. 13. Postupak prema jednom od prethodnih zahtjeva 10 do 12, naznačen time što se za određivanje promjene relativnog položaja Δs određuje najmanje jedna udaljenost s između kabine dizala (18) i/ili protuutega (16) i fiksne referentne točke (58) pomoću optičkog uređaja za mjerenje udaljenosti (30).13. The method according to one of the previous claims 10 to 12, characterized in that to determine the change in relative position Δs, at least one distance s is determined between the elevator cabin (18) and/or the counterweight (16) and the fixed reference point (58) using an optical device for distance measurement (30). 14. Postupak prema jednom od prethodnih zahtjeva 10 do 13, naznačen time što se za određivanje promjene relativnog položaja Δs najmanje jedna udaljenost s između kabine dizala (18) i/ili protuutega (16) i fiksne referentne točke (58) pomoću optičkog uređaja za mjerenje udaljenosti (30) na temelju senzora ubrzanja ili optičke kamere određuje ili poboljšava.14. The method according to one of the previous claims 10 to 13, characterized in that for determining the change in relative position Δs at least one distance s between the elevator cabin (18) and/or counterweight (16) and the fixed reference point (58) using an optical device for distance measurement (30) based on an acceleration sensor or an optical camera determines or improves. 15. Postupak prema jednom od prethodnih zahtjeva 10 do 14, naznačen time što se za određivanje relativne promjene položaja Δs najmanje jedna komponenta vertikalnog ubrzanja aFK kabine dizala (18) i/ili aGG protuutega (16) otkriva i procjenjuje pomoću senzora ubrzanja (32).15. The method according to one of the previous claims 10 to 14, characterized in that for determining the relative change in position Δs at least one component of the vertical acceleration aFK of the elevator cabin (18) and/or aGG of the counterweight (16) is detected and evaluated using the acceleration sensor (32) . 16. Postupak prema jednom od zahtjeva 10 do 15, naznačen time što se rotacijsko kretanje kabine dizala (18) otkriva pomoću žirometra (36) ili senzora ubrzanja (32) kako bi se odredio neravnomjeran rad sigurnosnog uređaja (26).16. The method according to one of claims 10 to 15, characterized in that the rotational movement of the elevator car (18) is detected by means of a gyrometer (36) or an acceleration sensor (32) in order to determine the uneven operation of the safety device (26). 17. Postupak prema jednom od prethodnih zahtjeva 10 do 16, naznačen time što za određivanje sile težine mFK kabine dizala (18) i/ili sile težine mGG protuutega (16), najmanje jedan uređaj za mjerenje sile (46) mjeri silu težine spuštanjem kabine dizala (18) i/ili protuutega (16) na odbojnik (42, 44).17. The method according to one of the previous claims 10 to 16, characterized in that to determine the weight force of the mFK elevator cabin (18) and/or the weight force of the mGG counterweight (16), at least one force measuring device (46) measures the weight force by lowering the cabin elevator (18) and/or counterweight (16) on the buffer (42, 44). 18. Postupak prema zahtjevu 17, naznačen time što se u jednom daljnjem koraku kalibrira vaga (50) dizala s užetom (100), pri čemu se povećanjem opterećenja kabine dizala (18) i bilježenjem sile težine kabine dizala (18) pomoću uređaja za mjerenje sile (46) i vage (50) provodi kalibriranje vage (50).18. The method according to claim 17, characterized in that in one further step the scale (50) of the elevator with the rope (100) is calibrated, whereby by increasing the load of the elevator cabin (18) and recording the force of the weight of the elevator cabin (18) using a measuring device force (46) and scale (50) performs the calibration of the scale (50). 19. Postupak prema jednom od prethodnih zahtjeva 10 do 18, naznačen time što se u jednom daljnjem koraku, vožnjom neopterećene kabine dizala (18) određuje karakteristična vrijednost kočnice (60) analizom tijeka udaljenosti s između kabine dizala (18) i fiksne točke (58).19. The method according to one of the previous claims 10 to 18, characterized in that in one further step, by driving an unloaded elevator cabin (18), the characteristic value of the brake (60) is determined by analyzing the course of the distance s between the elevator cabin (18) and a fixed point (58) ).
HRP20221153TT 2014-02-05 2015-02-05 Measuring system and measuring method for testing the catching device of an elevator HRP20221153T1 (en)

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DE102014101381.6A DE102014101381B4 (en) 2014-02-05 2014-02-05 Measuring system and measuring method for testing the safety gear of an elevator
PCT/EP2015/052403 WO2015118064A1 (en) 2014-02-05 2015-02-05 Measuring system and measuring method for testing the catching device of an elevator
EP15703560.1A EP3102523B1 (en) 2014-02-05 2015-02-05 Measuring system and measuring method for testing the catching device of an elevator

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