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Wyświetlanie 1-2 z 2
Tytuł:
Vertical Forces Acting on the Lock‑Off Element of the Pallet Brake System
Autorzy:
Hrabovský, Leopold
Mlčák, Tomáš
Powiązania:
https://bibliotekanauki.pl/articles/103233.pdf
Data publikacji:
2020
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
lock
pushing pulley into the recess
coil spring
force effects
blokada
wpychanie koła pasowego do wnęki
sprężyna śrubowa
efekty siły
Opis:
The paper presents an experimental device that was created in order to obtain the real values of the forces acting in the vertical direction on the lock‑off element, the so‑called brake body, the 2nd design option. The lock of this design is used in the automated parking garage, designed by KOMA – Industry, s.r.o, to lock the parked vehicles on pallets in the units of the rack parking system. The forces acting in the vertical direction on the body of the fixation lock when pushing the brake pulley into the circular recess in the brake ramp are theoretically calculated for two design variants of the brake ramp used in practice, i.e. “without” and “with” a rounded (filleted) circular recess segment in the brake ramp. The experimentally determined forces acting in the vertical direction on the brake body were determined for two types of compression coil springs with a rectangular cross section of the spring wire.
Źródło:
Advances in Science and Technology. Research Journal; 2020, 14, 1; 107-117
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pallet Fixing Lock, Determination of Shear Resistance and Spring Stiffness
Autorzy:
Hrabovský, Leopold
Molnár, Vieroslav
Kotajný, Gustav
Kuľka, Jozef
Powiązania:
https://bibliotekanauki.pl/articles/102650.pdf
Data publikacji:
2020
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
fixation lock of pallets
testing equipment
shear resistance
spring stiffness
blokada mocowania palet
wyposażenie badawcze
wytrzymałość na ścinanie
sztywność sprężyn
Opis:
The paper contains the designs of modifications of testing devices, which were constructed for the purpose of checking the functional properties of the mechanical pallet fixing lock built by the KOMA – Industry s.r.o. company, which is used for securing pallets with cars in parking houses. The individual testing devices consist of one or two positioning devices, the moveable parts of which are placed perpendicular to each other in the frame of the testing device. A mechanical pallet fixing lock is attached to the moving part of the perpendicular positioning device, and it consists of the following three parts: the body, the pulley holder and a compression coil spring. A plate is attached to the moveable part of the horizontal positioning device and is adapted to receive a pressure force sensor or to engage a mechanical fixation lock or the break of an electromagnetic locking device. The paper contains the description and method of experimentally determined resistance, which is created by the shear friction on contact surface, when inserting or withdrawing the pulley holder tube from the plain bushing of the fixation lock body. Additionally, the paper provides the values of the measured vertical forces, which are generated by the deformed compression spring with a wire of circular cross-section during inserting/withdrawing of the pulley holder tube into/from the fixation lock body. The values obtained from the performed experimental measuring of vertical forces and frictional resistance during the inserting of the pulley holder tube into the plain bushing of the fixation lock body will be used for subsequent checking of the functional properties of pallet fixation locks and will allow determining the optimal position for attaching the pallet fixation locks to stack cell steel beams in the parking house, on which chain conveyers push pallets with cars are parked.
Źródło:
Advances in Science and Technology. Research Journal; 2020, 14, 2; 190-197
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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