Diesel engine hand-operated actuating device and matched inversion proof device

Abstract

The invention relates to a hand starting device of a diesel engine, which is characterized in that the device comprises a starting handle; the front of the starting handle is provided with a ratchet lead sleeve and a second lead sleeve; the ratchet lead sleeve is composed of a ratchet and a first lead sleeve fixedly connected with each other; mating lead teeth meshed with each other are arranged on the first lead sleeve and the second lead sleeve in opposite direction. The invention also discloses an anti-reversion device mating the hand starting device, comprising at least a pawl assembly installed around the front side of the starting shaft of the diesel engine; the pawl assembly is installed on the diesel engine directly or by a rack and consists of a pawl, a locating shaft, a reverse limit bolt and a pawl return spring. When starting, the ratchet lead sleeve on the starting handle can smoothly start via the pawl; when the starting handle contrarotates, the pawl stops between ratchet teeth of the ratchet lead sleeve and the starting handle automatically slides out under the push of the ratchet lead sleeve. The anti-reversion device has simple and reasonable structure and can effectively facilitate the starting handle to withdraw during starting and reversion.

Description

technical field [0001] The invention relates to a diesel engine accessory, in particular to a diesel engine manual starter; the invention also relates to an anti-reversal device matched with the diesel engine manual starter. Background technique [0002] Most of the single-cylinder diesel engines currently in use still start by manpower. When the temperature drops, the physical strength of the operator is insufficient, repeated starts are unsuccessful, the diesel engine fails, or the engine is loosened and depressurized before reaching a certain speed when starting, etc., it will cause the diesel engine to reverse and the starting handle (cradle) will follow the reverse direction. In turn, it is impossible to withdraw voluntarily, resulting in the occurrence of injury accidents. [0003] In addition, due to poor starting skills or negligence of the starter, such as not holding the starter handle tightly, standing too far away from the engine, or unable to rotate the diesel ...

AI Technical Summary

Problems solved by technology

When the temperature drops, the physical strength of the operator is insufficient, repeated starts are unsuccessful, the diesel engine fails, or the engine is loosened and depressurized before reaching a certain speed when starting, etc., it will cause the diesel engine to reverse and the starting handle (cradle) will follow the reverse direction. In turn, it is unable to withdraw by itself, which leads to the occurrence of injury accidents.

[0003] In addition, due to poor starting skills or negligence of the starter, such as not holding the starter handle tightly, standing too far away from the engine, or unable to rotate the diesel engine at a constant speed when starting, etc., it is easy to cause the starter handle to be thrown out and hurt the face of the starter. part, especially the starting handle of the extended rocker arm is more dangerous

[0004] Many unsafe factors mentioned above will cause diesel engine starting accidents, which seriously threaten the life safety of starting personnel.

Existing hand crank diesel engines cannot meet the relevant national hand start industry standards

Images