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Railway Brake Shoe Holder Bracket GOST Certified

Railway Brake Shoe Holder Bracket GOST Certified

Product No.：2023826155350
Material：TB/T2942-B Steel
Standard：AAR or GB
mould charge：Yes
Production time：75
weight：30
Package：wooden box
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Product Description

Title: GOST Standard Railway Brake Shoe Holder Bracket – Precision-Engineered for Reliable Railway Braking

Our GOST Standard Railway Brake Shoe Holder Bracket is a precision-engineered critical component of railway vehicle brake rigging systems. As the interface component between the brake beam and the brake shoe, the holder bracket securely mounts the brake shoe and ensures proper alignment with the wheel tread for effective braking performance.

The brake shoe holder (also referred to as the brake block holder) serves as the brake lever transmission system component that positions the brake shoe on the beam or triangular bracket. Its primary function is to transmit braking force from the actuating mechanism to the brake shoe, generating friction against the wheel tread to decelerate or stop the railway vehicle.

GOST Standards Compliance

Our brake shoe holder brackets are manufactured in strict accordance with applicable GOST standards, ensuring compatibility with Russian and CIS railway networks operating on 1520mm gauge:

GOST R 55819-2013: Brake block holder and key for railway rolling stock – General specifications
GOST 3269-78: Stationary brake shoe holder for freight wagons of 1520mm gauge railways
TB/T 37-1999 & TB/T 38-1999: Right/Left brake shoe holder for freight cars

Design and Construction

The brake shoe holder bracket assembly incorporates robust structural design to withstand the demanding forces encountered during braking operations. Research has identified that brake-induced loading can be a significant factor in component stress, particularly in freight cars where the weight differential between empty and loaded conditions is substantial.

Key Features:

Precision Fit: Manufactured with tight tolerances to ensure proper shoe alignment and optimal braking contact pressure on wheel treads
Durable Construction: Designed to withstand repeated braking cycles and maintain structural integrity under heavy loads
Corrosion Resistant: Surface treatment and material selection for long service life in harsh railway environments
Interchangeable Design: Standardized mounting interfaces for compatibility with various bogie and brake beam configurations

Product Types Available:

Type	Description	Application
Rotary Brake Shoe Holder	Mounted on beam with clearance allowing free rotation	Freight wagons
Non-Rotary Brake Shoe Holder	Mounted without free rotation clearance	Passenger coaches, locomotives
Sectional Brake Shoe Holder	Accommodates two or more brake shoes	Specialized rolling stock

Applications:

Freight wagons – standard and heavy-haul
Passenger coaches
Locomotives and electric locomotives
Electric multiple units (EMUs) and diesel trains
1520mm gauge railway networks (CIS countries, Eastern Europe)

Standards Compliance:

GOST R 55819-2013 (General specifications for brake block holders)
GOST 3269-78 (Freight wagon stationary holders)
TB/T 37-1999 / TB/T 38-1999 (Right/Left holder dimensions)

Technical Specifications

1. General Specifications

Parameter	Specification
Product Type	Railway brake shoe holder bracket
Gauge Compatibility	1520mm (standard CIS/Russian gauge)
Design Variants	Rotary, non-rotary, sectional
Applicable Vehicles	Freight wagons, passenger coaches, locomotives, EMUs
Standards	GOST R 55819-2013, GOST 3269-78, GOST 1204-67

2. Dimensional Specifications

Parameter	Reference
Mounting Interface	Compatible with standard brake beams and bogies
Pin Diameter	Per GOST 1203-1975 specifications
Material Thickness	Designed to meet strength requirements of GOST R 55819-2013

3. Material Specifications

Parameter	Requirement
Material Grade	High-strength steel meeting GOST requirements
Surface Treatment	Corrosion protection per GOST R 55819-2013
Quality Control	100% dimensional inspection and material verification

4. Applicable Standards

Standard	Description
GOST R 55819-2013	Brake block holder and key for railway rolling stock. General specifications
GOST 3269-78	Stationary brake shoe holder for freight wagons of 1520mm gauge
GOST 1204-67	Rotary brake shoe holder for railway vehicles of 1524/1520mm gauge
TB/T 37-1999	Right brake shoe holder for freight cars (Chinese standard)
TB/T 38-1999	Left brake shoe holder for freight cars (Chinese standard)

5. Functional Requirements

Parameter	Description
Brake Force Transmission	Transmits lever system force to brake shoe
Wheel Tread Contact	Ensures proper alignment for effective friction braking
Wear Compensation Compatibility	Compatible with slack adjuster mechanisms for automatic play recovery

Maintenance and Inspection Guidelines

Proper maintenance of brake shoe holder brackets is critical for ensuring reliable braking performance and operational safety.

1. Periodic Inspection

Visual Inspection Checklist:

Check for visible deformation or damage to the holder bracket
Inspect mounting pins and bushings for wear
Examine the holder for cracks or material fatigue
Verify proper alignment of the brake shoe with the wheel tread
Check for corrosion or surface degradation

2. Wear Monitoring

Component	Wear Indicator
Pin Connections	Excessive play or elongation of mounting holes
Mounting Surface	Uneven wear patterns indicating misalignment
Structural Elements	Cracking or deformation due to fatigue

3. Replacement Criteria

Visible cracking or deformation
Worn pin holes beyond tolerance limits
Corrosion compromising structural integrity
Failure to maintain proper shoe alignment

4. Installation Best Practices

Follow manufacturer-specified torque values for all fasteners
Ensure proper pin and bushing fitment
Verify correct mounting orientation (left/right per TB/T 37-1999 and TB/T 38-1999)
Perform brake function test after installation

ck adjusters.