|
Clip And Scotch
To clip and scotch a set of railway points (Amer. a ''switch'') uses two pieces of equipment to temporarily lock a set of points into a particular position. The ''point clip'' clamps the end of a moving rail (the switch rail) of a set of points to its associated stock rail, and the ''scotch'' is a timber wedge used to ensure that the other moving rail is kept away from its associated stock rail. In this way the points are fixed in either the 'normal' or 'reverse' positions and cannot be moved by the usual setting mechanisms. For infrequently used points, this guards against mechanical failure of the points leaving them in a condition to derail trains. The 'clip and scotch' method can also be used to positively deny access to the turnout or mainline. Scotch block A 'scotch block' is not used, as this is a different piece of equipment clamped to a rail used to ensure that stationary railway vehicles do not move, with much the same function as chocks used to keep aircraft station ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hook And Slotted Cylinder
A hook is a tool consisting of a length of material, typically metal, that contains a portion that is curved or indented, such that it can be used to grab onto, connect, or otherwise attach itself onto another object. In a number of uses, one end of the hook is pointed, so that this end can pierce another material, which is then held by the curved or indented portion. Some kinds of hooks, particularly fish hooks, also have a barb, a backwards-pointed projection near the pointed end of the hook to ensure that once the hook is embedded in its target, it can not easily be removed. Variations * Bagging hook, a large sickle or reaping hook used for harvesting grain * Bondage hook, used in sexual bondage play * Cabin hook, a hooked bar that engages into an eye screw, used on doors * Cap hook, hat ornament of the 15th and 16th centuries * Cargo hook (helicopter), different types of hook systems for helicopters * Crochet hook, used for crocheting thread or yarn * Drapery hook, for hang ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Railroad Switch
A railroad switch (), turnout, or ''set ofpoints () is a mechanical installation enabling railway trains to be guided from one track to another, such as at a railway junction or where a spur or siding branches off. The most common type of switch consists of a pair of linked tapering rails, known as ''points'' (''switch rails'' or ''point blades''), lying between the diverging outer rails (the ''stock rails''). These points can be moved laterally into one of two positions to direct a train coming from the point blades toward the straight path or the diverging path. A train moving from the narrow end toward the point blades (i.e. it will be directed to one of the two paths, depending on the position of the points) is said to be executing a ''facing-point movement''. For many types of switch, a train coming from either of the converging directions will pass through the switch regardless of the position of the points, as the vehicle's wheels will force the points to move. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Australian Rail Track Corporation
The Australian Rail Track Corporation (ARTC) is an Australian Government-owned statutory corporation. It operates one of the largest rail networks in the nation spanning 8,500km across five states, 39 worksites and more than 50 First Nations. ARTC continues to expand the network through major infrastructure projects including Inland Rail, which is a new 1,700km freight line between Melbourne and Brisbane via regional Victoria, NSW and Queensland that will complete Australia’s national freight network and better connect producers to markets. History In November 1996, the Australian Government announced a major rail reform package that included the sale of government-owned train operators Australian National and National Rail, and the establishment of ARTC to manage the sections of the interstate rail network which had been controlled by the two former organisations. ARTC was incorporated in February 1998, with operations starting in July 1998 when the lines managed by Austra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Switch Rail
In electrical engineering, a switch is an electrical component that can disconnect or connect the conducting path in an electrical circuit, interrupting the electric current or diverting it from one conductor to another. The most common type of switch is an electromechanical device consisting of one or more sets of movable electrical contacts connected to external circuits. When a pair of contacts is touching current can pass between them, while when the contacts are separated no current can flow. Switches are made in many different configurations; they may have multiple sets of contacts controlled by the same knob or actuator, and the contacts may operate simultaneously, sequentially, or alternately. A switch may be operated manually, for example, a light switch or a keyboard button, or may function as a sensing element to sense the position of a machine part, liquid level, pressure, or temperature, such as a thermostat. Many specialized forms exist, such as the toggle switch, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stock Rail
In finance, stock (also capital stock) consists of all the shares by which ownership of a corporation or company is divided.Longman Business English Dictionary: "stock - ''especially AmE'' one of the shares into which ownership of a company is divided, or these shares considered together" "When a company issues shares or stocks ''especially AmE'', it makes them available for people to buy for the first time." (Especially in American English, the word "stocks" is also used to refer to shares.) A single share of the stock means fractional ownership of the corporation in proportion to the total number of shares. This typically entitles the shareholder (stockholder) to that fraction of the company's earnings, proceeds from liquidation of assets (after discharge of all senior claims such as secured and unsecured debt), or voting power, often dividing these up in proportion to the amount of money each stockholder has invested. Not all stock is necessarily equal, as certain classes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chock
Chock or Chocks may refer to: Devices for preventing movement * Wheel chock, tool to prevent accidental movement * Chock (climbing), anchor * Chock, component of a sailing block Other uses * Chock (surname) * ''Chock'' (TV series), a Swedish horror television series * Chock, a Swedish-language edition of Chill * Chocks, a children's multivitamin product made by Miles Laboratories See also * Choc (other) * Chok (other) * "''Chocky''", short story * Chock full o'Nuts Chock full o'Nuts is an American brand of coffee that originated from a chain of New York City coffee shops. Its unusual name derives from the 18 nut shops that founder William Black (c. 1902 – 1983) established under that banner in the city ..., coffee brand * Railway wheel stop {{disambiguation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rail Spike
A rail fastening system is a means of fixing rails to railroad ties (North America) or sleepers (British Isles, Australasia, and Africa). The terms ''rail anchors'', ''tie plates'', ''chairs'' and ''track fasteners'' are used to refer to parts or all of a rail fastening system. The components of a rail fastening system may also be known collectively as other track material, or OTM for short. Various types of fastening have been used over the years. History and overview The earliest wooden rails were fixed to wooden sleepers by pegs through holes in the rail, or by nails. By the 18th century, cast iron rails had come into use, and also had holes in the rail itself to allow them to be fixed to a support. 18th century developments such as the flanged rail and fish bellied rail also had holes in the rail itself; when stone block sleepers were used the nails were driven into a wooden block which had been inserted into a recess in the block. The first chair for a rail is thought to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
