Dongfeng PTO
Dongfeng PTO
2025-08-16
Dongfeng Shoe Brake Operation Mechanism
Dongfeng Shoe Brake Operation Mechanism
2025-08-16

Dongfeng Shoe Brake

What is the Dongfeng Shoe Brake

  • 1. Core Braking Components
    The Dongfeng Shoe Brake utilizes twin Brake shoes lined with high-friction material, anchored firmly at the Brake anchorage point. Actuation occurs via the Brake camshaft, which rotates to force the shoes outward against the rotating Brake drum. Reliable retraction after braking is ensured by robust Inner return springs, preventing residual drag and overheating.
  • 2. Sealed Housing Assembly
  • Structural Enclosure: The Brake housing provides a rigid foundation, precisely aligning all components. It interfaces with the Brake cap, creating a sealed chamber protected by a Paper gasket, brake.
  • Contaminant Exclusion: An O-ring seal 15×2.65 prevents moisture and debris ingress at critical shaft penetrations, maintaining optimal friction surface integrity and component longevity.
  • 3. Heavy-Duty Fastening & Retention
  • Primary Assembly: Critical structural joints employ Hex. head bolt M10×45 secured with Spring lock washer 10 and Hex. head bolt M10×90, providing deep-thread engagement for high shear strength in the housing assembly.
  • Camshaft & Cap Retention: The camshaft and cap are secured using Hex. head bolt M10×30. Final adjustment points feature Hex. nut M16 with Spring lock washer 16 for vibration-proof locking under constant operational stress.

Parameters of Dongfeng Shoe Brake

No. Part No. Name Quantity
1 GB5783-86 Hex. head bolt  M10×45 2
2 GB93-87 Spring lock washer  10 4
3 GB6170-86 Hex. nut  M16 2
4 GB93-87 Spring lock washer  16 2
5 200.43.107 Hex. head bolt 2
6 300.43.131-1 Brake cap 2
7 300.43.133 Paper gasket ,brake 2
8 300.43.136 Inner return spring 4
9 GB3452.1-82 O-ring seal 15×2.65 2
10 400-6.43.020 Brake shoe 2
11 300.43.127-1 Brake camshaft 2
12 300.43.130-2 Brake anchorage 2
13 300.43.134 Brake drum 2
14 300.43.135-1 Brake housing 2
15 GB5782-86 Hex. head bolt  M10×90 1
GB5782-86 Hex. head bolt  M10×30 2
 

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