摘要:
In order to stably drive a body to be driven such as a lifting table, an engagement chain type device (100) for forward and backward movement is configured in such a manner that a pair of engagement chains (110, 110) has rigid chain portions (110D). The rigid chain portions (110D) are configured in such a manner that, within a predetermined range from the front ends of the chains in the direction in which the pair of engagement chains (110, 110) is rigid, inner tooth plates (111) are constantly engaged with each other and outer tooth plates (112) are constantly engaged with each other. Square column-shaped reinforcement core members (140) fitted in the square column-shaped hollow sections (S) of the rigid chain portions (110D) are connected to mounting members (C).
摘要:
Provided is a plant cultivation device that improves cultivation efficiency and usability. A plant cultivation device (100) comprises: a rack unit (120) provided with cultivation racks (S) on which cultivation units (110) accommodating plants are stored as culture medium units (111); and a conveying device which moves along a horizontal movement path defined by a guide rail (149), and performs transport of the culture medium units (111) and loading/unloading of the culture medium units (111) to/from the cultivation racks (S). Multiple cultivation racks (S) constitute a cultivation rack row (C), in which the cultivation racks are arranged at multiple levels in an up-down direction. The rack unit (120) comprises: a cultivation storage (121) constituted of multiple cultivation rack rows (C); and a loading/unloading station (122) having a stock rack row (170), in which the holding frames (115) of cultivation units (110) not accommodating plants are stored as empty units. The transport device (130) performs loading/unloading of the holding frames (115) to/from the stock rack row (170).
摘要:
Chain detachment and chain entry are avoided, and a process for setting the length of a meshing chain is avoided, while the chain feed length can also be freely changed. A meshing chain stopper (190L) comprises a meshing chain stopper attachment part (191) and a contact-stop protrusion (192). The contact-stop protrusion (192) is contact-stopped at a contact-stop point (173A) provided on the periphery of a chain locus (L) when a pair of meshing chains (150, 150) are being driven.
摘要:
Provided are a top coat paint having good rust resistance and good adhesion, and a corrosion resistant surface-treated chain and a corrosion resistant surface-treated sprocket, on which a coating film is formed by using the top coat paint so as to prevent the occurrence of coating film powder and to exhibit good corrosion resistance. The roller chain 10 comprises inner link plates 11, a bush 12, outer link plates 13, a connecting pin 14, and a roller 15. Each of the chain components has a zinc-iron alloy ground film formed on an iron-based base material by impact zinc plating and a first coating film formed by using a water-based rust preventive paint including zinc, nitrate, and an organic compound having a mercapto group other than a mercapto group-containing silane coupling agent. Then a second coating film is formed on the first coating film by using the top coat paint comprising a pigment, sodium silicate, and an acrylic emulsion or a polyurethane water-based composition.
摘要:
The present invention provides a lubricant composition for chains which, when adhered to sliding surfaces of a chain, has appropriate drag force with respect to centrifugal force applied to the chain and fluidity, is prevented from flowing out and exhibits excellent lubricity and abrasion resistance for a long period of time, and provides a chain. A-chain 1 is constructed by alternately connecting a pair of outer link plates 4, 4 connected together with pins 5, 5 and a pair of inner link plates 2, 2 connected together with bushings 3, 3 into which adjacent pins 5, 5 of adjacent pairs of outer link plates 4, 4 are inserted. On the outer and inner surfaces of component parts of the chain, a lubricant composition for chains containing 95% to 80% by mass of a lubricant which is liquid at room temperature and 5% to 20% by mass of a wax which is solid at room temperature and having a consistency of from 60 to 475 and a dropping point of from 60°C to 120°C, is adhered.