SU1031857A1 - Apparatus for automatic arresting of conveyer drive at traction member breakage - Google Patents

Abstract

1. DEVICE FOR AUTOMATIC SHUTDOWN OF THE DRIVE OF THE CONVEYOR DURING THE OPENING OF THE TRACTOR BODY, containing the controlling body, is elastically interacting with the traction. a double-arm lever pivotally fixed on the base and kinematically connected with the controlling authority and a limit switch mounted on the base with the possibility of interacting with the double-arm lever, characterized in that, in order to increase reliability by ensuring quick response, it is equipped with a terminal switch with a flexible element with stops, located along the traction body, and additional double-arm levers, hinged on the base, and the control body is made of successively installed plates along the traction body, kinematically connected with one of the ends of the additional two shoulders, the free ends of which are arranged to interact with the stops.

Description

2. A device according to claim 1, characterized in that the kinematic connection of the plates with additional double-arm levers is made of rods with longitudinal grooves and fingers located in the longitudinal grooves with the possibility of movement.

one

The invention relates to industrial transport, in particular, to devices for automatically disconnecting the drive of the conveyor in the event of a break in the traction unit.

A device for automatically disconnecting a drive, comprising a flexible element located in the zone of the conveyor chains, connects a spring-loaded measuring rod fixed to the conveyor housing with a drive switch 1.

However, the device cannot be used for vertical type chain conveyors. In addition, the drive is turned off with a long delay after an emergency situation, as a result of which the conveyor fails.

A device for automatically disconnecting a conveyor drive in the event of a breakage of a traction member is known, comprising a controlling member, elastically cooperating with the pulling member, a two-arm lever hinged to the base and kinematically connected to the controlling member, and a limit switch mounted on the base with the possibility of interaction with two shoulders lever 2.

The device can be applied to a vertical conveyor. However, the control of a traction organ with this device is carried out only in one place of the conveyor, and not along its entire length.

The purpose of the invention is to increase reliability by providing quick response and simplifying the design.

To achieve the goal, a device for automatically shutting off the conveyor drive in case of a breakage of a traction body, containing a controlling body, elastically interacting with the traction body, a two-arm lever hinged to the base and kinematically connected to the controlling body, and a limit switch mounted on the base with interaction with the double-arm lever, is equipped with a flexible element connected to the limit switch with stops located along the body agami pivotally mounted on the base, and the controlling authority is made of successively arranged along the traction organ plates kinematically coupled with one end of the additional two-armed

levers, the other ends of which are arranged to interact with the stops.

Moreover, the kinematic connection of the plates with the additional double-fender levers is made of rods with longitudinal grooves and fingers arranged in the grooves with the possibility of movement.

FIG. 1 shows a scheme of fastening the device on a vertical conveyor;

in fig. 2 — node I in FIG. 1, the original position at the time of the chain break; in fig. 3 view A in FIG. 2; in fig. 4 - fastening of an emphasis on a flexible element, section BB in FIG. one.

Based on 1 vertical conveyor

In the area of the traction body 2, a double-arm lever 3 is pivotally mounted, one shoulder of which is connected by means of a finger 4 and a rod 5 with a controlling body made in the form of plates 6 installed along and in contact with the traction body 2. The finger 4 has the ability to move in the longitudinal groove 7, made in the brush 5.

The plates 6 are elastically preloaded by means of springs to the traction body of the conveyor.

Opposite the plate 6, on the base 1, are installed additional two shoulders levers 8-10, which by their shoulders by means of the above described means are kinematically connected with the plates 6. The other ends of all the two shoulders levers are located under the stops 11 fixed to the flexible element 12, which through the lever 13 from is engaged with a limit switch 14. During normal operation of the conveyor, plate 6 abut against the traction device 2, and all two shoulders levers 3, 8, 9 and 10 are in a stable position, in which fingers 4 are located in the middle part of the longitudinal section and 7, and the shoulders of two-armed levers 3, 8, 9 and 10 are arranged at the stops 11 do not interact with them.

In this case, all oscillations of the conveyor body of the conveyor are not transmitted to the two shoulders levers due to the possibility of movement of the rods 5 relative to the fingers 4.

In the event of a break in the traction body, the plate 6 located at that point in the place of the conveyor moves under the action of springs. At the same time, the rod 5, interacting with the finger 4, rotates the double-arm lever

Claims (2)

1. DEVICE FOR AUTOMATICALLY DISCONNECTING THE CONVEYOR DRIVE DURING THE TRACTION BODY TERMINATION, containing a controlling body - elastically interacting with the traction body. a body, a two-arm lever, pivotally mounted on the base and kinematically connected to the controlling body and a limit switch installed on the base with the ability to interact with the two-arm lever, characterized in that, in order to increase reliability by ensuring quick response, it is equipped with a flexible associated with the limit switch an element with stops located along the traction body, and additional two-arm levers pivotally mounted on the base, and the controlling body is made of The plates are installed along the traction body kinematically connected to one of the ends of the additional two-arm levers, the free ends of which are arranged to interact with the stops. 2. The device according to π. 1, characterized in that the kinematic connection of the plates with additional two-arm levers is made of rods with longitudinal grooves and fingers located in longitudinal grooves with the possibility of movement.