Anti-contrarotation apparatus of hand-starting diesel engine and starting equipment matched with the same
A starting device and anti-reverse technology, applied in the field of diesel engine accessories, can solve problems such as diesel engine starting accidents, inability to rotate the diesel engine at a constant speed, and the diesel engine failing to meet the industry standard for manual cranking.
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Embodiment 1
[0026] Example 1. refer to figure 1 . An anti-reversal device for a hand-cranked diesel engine, which includes a bracket 5 and a pawl assembly, a ratchet lead sleeve hole 7 is arranged on the bracket 5, and the ratchet assembly is arranged in the ratchet guide sleeve hole 7 On the surrounding bracket 5; the ratchet assembly is composed of a ratchet 1, a positioning shaft 2, a reverse limit shaft 3 and a ratchet return spring 6, and the front end of the ratchet 1 protrudes toward the side of the ratchet guide sleeve hole 7 , the pawl 1 is connected to the support 5 through the positioning shaft 2, the reverse limit shaft 3 is set on the support 5 on the rear side of the pawl 1, and the pawl 1 moves around the positioning shaft 2 under the action of the reverse limit shaft 3 One-way rotation; one end of the pawl return spring 6 is fixed on the bracket 5, and the other end is arranged on the pawl 1, and the pawl 1 returns under the action of the pawl return spring 6.
Embodiment 2
[0027] Example 2. refer to Figure 5 . An anti-reversal device for a hand cranked diesel engine, which is provided with a pawl assembly, and the pawl assembly is arranged on the gear chamber cover 14 around the starting shaft 11 of the diesel engine; the pawl assembly consists of a pawl 1 , a positioning shaft 2, a reverse limit shaft 3 and a pawl return spring 6. The front end of the pawl 1 protrudes toward the front side of the starting shaft 11, and the pawl 1 is connected to the gear chamber cover 14 through the positioning shaft 2. The reverse limit shaft 3 is arranged on the gear chamber cover 14 on the rear side of the pawl 1, and the pawl 1 rotates in one direction around the positioning shaft 2 under the action of the reverse limit shaft 3; one end of the pawl return spring 6 is fixed On the gear chamber cover 14 , the other end is arranged on the pawl 1 , and the pawl 1 returns under the action of the pawl return spring 6 .
Embodiment 3
[0028] Example 3. In the anti-reversal device of the hand crank diesel engine described in Embodiment 1 or 2, there are two ratchet assemblies, which are arranged symmetrically on the left and right sides of the ratchet lead sleeve hole 7 .
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