What is the purpose of interlocking?

What is the purpose of interlocking?

“Interlocking” and “guard locking” According to this definition, an “interlocking device” or “interlock” is a “mechanical, electrical or other type of device, the purpose of which is to prevent the operation of hazardous machine functions under specified conditions” (generally as long as the guard has not closed).

What is called interlocking?

1 : to lock together : unite. 2 : to connect so that the motion or operation of any part is constrained by another. interlock. noun. in·​ter·​lock | \ ˈin-tər-ˌläk \

What is an example of interlocking?

Interlock Examples Examples of consumer products incorporating interlocks are: Removal of a guard on a food processor prevents the operation of the motor and blade, thereby reducing the opportunity for spinning blade injury (example of guard).

What is interlocking in a control circuit?

To interconnect the motor circuit in such a way, in which the second motor will not start until the first one run likewise the third one motor will not run unless the second one run and so on. This kind of motor circuit connection is called interlocking.

What is preventive interlocking?

An interlock is a type of device that is used to prevent undesirable conditions in machines, which may include mechanical or electronic systems or devices. In almost all applications, it is utilized to aid in preventing machines from causing harm to the machine itself or to the operators.

How many types of interlocks are there?

Interlocking types. Interlockings can be categorized as mechanical, electrical (electro-mechanical or relay-based), or electronic/computer-based.

What is interlocking in construction?

Interlock comes in 3 common types – natural stone, brick, and concrete. Interlock stones are either natural or precast bricks that can be used to create beautiful outdoor features such as walls, patios, garden paths or waterfalls.

What is interlock in conveyor?

CONVEYOR INTERLOCKING, AUTOMATION AND OPTIMIZATION When in interlocked mode, the whole conveyor system is controlled from a central control point. When controlling a conveyor system a main issue to consider is potential blockage and spillage at chutes.

What are the three types of interlock?

There are three types of interlocks: – mechanical, – electrical, – logical.

What are the essentials of interlocking?

– The basic principles of interlocking may be laid down as follows :- 1. It shall not be possible to take “off” conflicting signals at one and the same time. 2. It shall not be possible to take “off” signal for the running line until :- (a) all points on the running line are correctly set and facing points locked.

What is interlocking in substation?

1 Substations shall be provided with a full interlocking scheme to ensure that all disconnectors, fixed earthing switches (or other interlocked earthing devices) and, where required, circuit-breakers are operated in the correct sequence so that personnel do not endanger themselves and/or the integrity of the …

What is interlocking and landscaping?

Interlocking stone pavers offer an amazing landscaping material for your home. They are a durable and low-maintenance alternative to other paving and landscaping options. And they come in countless styles to enhance your home’s appearance, boost curb appeal, and increase your home value.

What is interlocking and how does interlocking work?

Interlocking is a method used to maintain safe operating state of machinery. Interlocks (except process) put the ‘target device’ (the equipment which the interlock acts on e.g Valve or Pump) into a “default” position to help ensure process is in a safe state. All interlocks report to the control system.

What are the different types of interlock devices?

Types of Interlocks 1 Hardwired Interlock. These are often used as a primary safety device. 2 Safety Interlock. An interlock used specifically for safety reasons. 3 Process Interlock. An interlock used to automate the control of a process or a device. 4 Permissive Interlock.

What is a generator interlock device?

An interlock device is designed to allow a generator to provide backup power in such a way that it (a) prevents main and generator power to be connected at the same time, and (b) allows circuit breakers to operate normally without interference in the event of any overload condition.

What is meant by interlocking of motors?

To interconnect the motor circuit in such a way, in which the second motor will not start until the first one run likewise the third one motor will not run unless the second one run and so on. This kind of motor circuit connection is called interlocking. A simple electrical interlocking control diagram is shown below.