GB/T 2885.1-2008Narrow gauge mine cars - Part 1: Solid-end car (English PDF)

3.1

Fixed trunk tub (hereinafter referred to as the tub) structural type wagons fixed to the frame, the basic structure of the type shown in Figure 1.

Figure 1 3.2 tramcar product model representation.

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Improved number (A, B, C)

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Gauge Code (6 denote 600mm, 7 indicates 762mm, 9 indicates 900mm)

Volume (m3)

Vehicle (car)

Fixed trunk type (solid)

Harvesters use code (M --- coal mine vehicles, Y --- metal and nonmetal mining vehicles) 3.3 metal and nonmetal mining basic parameters and dimensions of the tub should be in accordance with Table 1. Mine Basic parameters and dimensions of the tub should meet

Co specified in Table 2.

Table 1 model

Volume / m3

Loading / gauge

Dimensions length width height

Wheelbase

Wheel diameter

High traction mm

Traction / kN

Weight / kg

YGC0.5-6

YGC0.7-6

YGC1.2-6

YGC1.2-7

YGC2-6

YGC2-7

YGC4-7

YGC4-9

YGC10-7

YGC10-9

0.5 1.25

0.7 1.75

1200 8,501,000,400,300,320

1500 8,501,050,500,300,320

190,010,501,200,600 300 320

3,000,120,012,001,000,400 320

3,700,133,015,501,300,450 320

720015001550 (850)

<=450

<=500

<=720

<=730

<=1330

<=1350

<=2620

<=2900

<=7000

<=7080

Note 2. The loading of the press material bulk density rho = 2500kg/m

3 calculations.

NOTE 3. Dimensions in parentheses indicate the gauge bogie itself.

Table 2 model

Volume / m3

Loading maximum load capacity gauge

Dimensions length width height

Wheelbase

Wheel diameter

High traction mm

Traction / kN

Weight / kg

MGC1.1-6 1.1 1 1.8 600 2000 880 1150 550 300

MGC1.7-6 1.7 1.5 2.7 600 240010501200 750 300

MGC1.7-9 1.7 1.5 2.7 900 210011501300 600 350

MGC3.3-9 3.3 3 5.3 900 3450132013001100 350

<=610

<=720

<=970

<=1320

Note 2. The loading of the press material bulk density rho = 900kg/m

3 calculates the maximum loading by material bulk density rho = 1600kg/m

3 calculations.

4. Technical Requirements

4.1 General Requirements

4.1.1

tub shall comply with the provisions of this section, in accordance with prescribed procedures approved manufacturing drawings and technical documents.

4.1.2

tub manufacturing quality should be consistent with the relevant provisions of JB/T 6992's.

4.1.3

tub wheel tread shape and size should be consistent with the provisions of GB/T 4695's.

4.1.4

tub optional open-wheel corresponds to conform JB/T 8296 requirements, the choice of the corresponding round closed 4.2 compliance.

4.1.5

tub linking chain performance and dimensions shall comply with the provisions of MT244.1.

4.1.6

tub connecting pin performance and dimensions shall comply with the provisions of MT244.2.

4.1.7

welds should be smooth, and there should be no cracks, slag, burn, incomplete penetration defects, weld the frame should not have pores. The remaining weld

Length 10mm inner diameter less than 1mm pores should not be more than three, and the undercut shall not exceed 100mm in length 15mm, bite

Edge depth should be in accordance with Table 3.

Table 3 millimeters

Plate thickness undercut depth

<=10 0.5

> 10 40 1.0 4.1.8 trunk volume is less than or equal to the length of the tub 4m3 trunk deviation of 0-10mm, width deviation of ± 3mm; large volume wagon

Variation in the length of the tub 4m3 trunk is 0-12mm, width deviation of ± 5mm.

4.1.9 Deviation assembled Dimensions

trunk volume is less than or equal to 4m3, the total width of the tub and pulling high deviation of ± 3mm, total height

Deviation of ± 8mm, total length deviation of ± 10mm; trunk volume greater than 4m3 Harvesters total width and height Traction deviation ± 5mm, total height bias

Difference of ± 10mm, overall length deviation of ± 15mm.

4.1.10

assembled tub placed on a horizontal track, any gap wheel and rail surface should not be greater than 2mm.

4.2 Closed wheel tub

4.2.1

round of the parts should be clean after removal of grease, dirt, iron and obstruction within the hole before assembly.

4.2.2

The wheel should not cracks. But small cracks in the top of the rim and the end portion of the profile appears in the length range of 10mm should

More than two, and should welding.

4.2.3

Welding should not tread, allowing the use within the following range.

a) a diameter of less than 1mm, small dense pinhole depth of no more than 2mm, the hemp hole, every place should not exceed 225mm2, total

Area should not exceed 900mm2;

b) less than 3mm diameter and depth of the air hole, the total number of slag should not be more than six, the mutual distance should be 30mm or more. but

Any diameter and depth distance not more than 2mm;

c) no longer than 400mm, a width of not more than 2mm, the depth of not more than 1mm cold compartment.

4.2.4

hub hole surface blisters, porosity and other defects, an area less than 16mm2, depth of less than 3mm, its distance 30mm or more,

It should not be more than three.

4.2.5

metal casting wheels, wheel diameter D circle runout should not exceed 1mm; sand casting wheel, the circle runout shall not be greater

To 0.5mm.

4.2.6

metal casting wheel should be normalized after treatment, surface hardness not less than 197HB. After the sand mold casting wheel tread machining, should

Surface hardening, the hardness should not be less than 40HRC.

After normalizing the wheel should be no net organization 4.2.7 organization whose grain size should not exceed six.

4.2.8

installed at both ends of the axle concentricity of the bearings shall comply with the requirements of Table 4.

Table 4 millimeters

Diameter 80 ~ 5055

Concentricity 0.04 0.06

Paint 4.3 4.3.1 tub before the components painted, should be removed burrs, rust, welding residue and other contaminants.

4.3.2

Each member shall tub primer layer (not including maintenance primer), a layer of paint.

4.3.3

Exterior paint should be uniform, bright, intact, firmly attached.

6.1 factory inspection

6.1.1

tub per the manufacturer shall be subject to quality inspection department inspection, and after the issuance of the certificate before being put in storage, factory.

6.1.2

factory inspection items include 4.1.2 - 4.1.10 and 4.3.3.

6.1.3

Each batch should take a connecting link 3% do overload static tensile testing, pumping 0.5% do breaking force test (shall not be less than three). If

A failure then the whole batch scrapped.

6.1.4

Each batch should take a connecting pin 1% do radial load test and load test (shall not be less than three). If a failure is full

Batch scrapped.

6.1.5

Closed wheel batch (each furnace) should draw 1% of the total wheel (at least three) hardness testing. Testing if a substandard

Georgia should double the number of re-examining. If some failure is a whole batch scrapped.

6.2 Type inspection

6.2.1

There should be one of the following types of testing.

a) new products or old products to the plant production trial to identify stereotypes;

B) After the normal production, such as structure, materials, technology has drastically changed, it may affect product performance;

c) normal production cars, after regular or accumulate a certain output, a test should be carried out periodically, at least once every two years;

d) Discontinued products for more than three years, the production recovery;

e) the national quality supervision bodies type inspection requirements.

6.2.2

Type inspection requirements for all project-based section.

6.2.3

type test sample Batch rules should comply with JB/T 5497's.

7.1

per tub should be obvious at a fixed product label, label type and size should be consistent with the provisions of GB/T 13306, and should include.

a) tub model, name;

b) The main technical parameters;

c) serial number and date of manufacture;

d) the name and address of the manufacturer;

e) implementation of standard number.

7.2

Each batch submitted to the user shall be accompanied tub following technical documents.

a) product certificate;

b) maintenance manual;

c) consumable pattern and wearing parts list;