Some standard content:
ICS73.120
Machinery Industry Standard of the People's Republic of China
JB/T3264---2002
Replaces JB/T3264-1993
Simple Swing Jaw Crusher
Double Toggle Jaw Crusher
Published on 2002-07-16
Implemented on 2002-12-01
Published by the State Economic and Trade Commission of the People's Republic of China Foreword
Normative Reference Documents
Terms and Definitions
Type and Basic Parameters
Technical Requirements,
Requirements for the Whole Machine,
Appearance Quality.
Quality of Parts
Safety Hygienic requirements
No-load test requirements
5.6 Technical requirements for electric control cabinets
6 Test methods
Inspection rules.
7.1 Inspection classification
Factory inspection
Type inspection.
8 Marking, packaging, transportation and storage
JB/T3264—2002
JB/T3264—2002
This standard replaces JB/T32641993 "Simple swing type crusher". Compared with JB/T3264—1993, the main changes of this standard are as follows: - Add two specifications of PJ—500 and PJ—750: In the technical requirements, the quality requirements of welded parts, the requirements for eccentric shaft flaw detection and the technical requirements of electric control cabinets are added. This standard is proposed by the China Machinery Industry Federation. This standard is under the jurisdiction of the National Technical Committee for Standardization of Mining Machinery (SAC/TC88). The drafting unit of this standard is Shenyang Heavy Machinery Group Co., Ltd. The main drafters of this standard are Wu Sirong and Guo Ming. 1 Scope
Simple swing jaw crusher
JB/T3264—2002
This standard specifies the type and basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of simple swing jaw crushers.
This standard is applicable to simple swing jaw crushers (hereinafter referred to as crushers) for crushing various ores or rocks with a compressive strength below 300MPa. 2 Normative references
The clauses in the following documents become the clauses of this standard through reference in this standard. For all dated referenced documents, all subsequent amendments (excluding errata) or revisions are not applicable to this standard. However, parties to an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. For any undated referenced document, the latest version shall apply to this standard. GB/T191-2000 Pictorial marking for packaging, storage and transportation (eqvISO780:1997) GB/T699-1999 High-quality carbon structural steel
3 Carbon structural steel (neqDIN630:1987) GB/T7001988
Spring steel (negJISG4311:1987)
GB/T12221984
GB /T3768-1996 Acoustics Sound pressure method for determining the sound power level of noise sources Simple method using an envelope measurement surface above the reflecting surface (eqvIsO3746:1995)
Industrial machinery and electrical equipment Part 1: General technical conditions (eqvIEC60204-1:1992) GB/T5226.1—1996
GB/T5680—1998
GB/T 8923-1988
GB/T11352—1989
GB/T133061991
JB/T5000.3—1998
JB/T5000.6—1998
JB/T5000.9—1998
High manganese steel castings
Rust grade and rust removal grade of steel surface before painting (eqvISO8501-1:1988) Cast carbon steel parts for general engineering (negIso 3755:1975) Signs
General Technical Conditions for Heavy Machinery
Welded Parts
General Technical Conditions for Heavy Machinery Castings
General Technical Conditions for Heavy Machinery Cutting Parts JB/T5000.13—1998
JB/T5000.15—1998
3 Terms and Definitions
General Technical Conditions for Heavy Machinery Packaging
General Technical Conditions for Heavy Machinery
The following terms and definitions apply to this standard. 3.1
Feeding opening width widthoffeedsetting
Non-destructive testing of forged steel parts
The distance between the top and the root of the tooth of the movable jaw plate and the fixed jaw plate measured horizontally from the lower point of the two jaw plates (movable jaw plate or fixed jaw plate) when the movable jaw plate and the fixed jaw plate are farthest apart at the feeding opening. 3.2
Length of feed setting
Horizontal distance between the left and right guard plates of the crushing chamber. 3.3
maximum feed size
Maximum feed size
The maximum allowable feed block size limited by the crusher feed port. JB/T3264—2002
Size of open side settingThe shortest distance between the tooth top (or tooth root) of the movable jaw plate and the tooth root (or tooth top) of the fixed jaw plate measured at the lower end of the crushing chamber when the movable jaw plate is farthest from the fixed jaw plate.
Adjusting range of discharging settingThe area where the width of the discharging opening changes from the minimum value to the maximum value. 3.6
Crushing capacityCubic meters of material passing through the crushing chamber per unit time. 4 Type and basic parameters
4.1 The type of crusher is shown in Figure 1. The figure does not determine the specific structure of the crusher. Figure
2 Model representation method:
Feeding port width, unit: mm
Simple swing jaw
Crusher
Simple swing granular crusher with a feeding port width of 900mm is marked as: PJ-900 Simple swing crusher
4.3 Basic parameters should comply with the provisions of Table 1
Basic parameters and dimensions||tt| |Width B
Feeding port size
Length L
Maximum feeding particle size
Opening discharge port width b
Nominal size
Limit deviation
Nominal size
Limit deviation
Nominal size
Adjustment range
Processing capacity Q
(When the discharge port width is the nominal value)
Motor power
Overall dimensions
Machine weight (excluding Motor)
Basic parameters and dimensions
Width B
Feeding port size
Length L
Maximum feeding particle size
Opening discharge port width b
Nominal size
Limit deviation
Nominal size
Limit deviation
Nominal size
Adjustment range
Processing capacity Q
(When the discharge port width is the nominal value)
Motor power| |tt||Overall dimensions
Machine weight (excluding motor)
Note: The processing capacity in the table is determined based on the following conditions: Table 1
PJ--400
》±20
PJ-—900
》±35
≥180
a) The loose density of the material to be crushed is 1.6t/m, and the compressive strength is 150MPa) The rated plate is a new plate;
c) The working condition is continuous feeding.
PJ-500
PJ--1200
≥±40
≤160
JB/T3264--2002
P J-600
≥±25
PJ-1500
≥±45
≥550
≤250
≤260
PJ-750
≥±30
PJ-2100Www.bzxZ.net
≥±50
≥800
≤470
JB/T3264—2002
5 Technical requirements
5.1 Machine requirements
5.1.1 The crusher shall comply with the requirements of this standard and be manufactured according to the drawings and technical documents approved by the prescribed procedures. 5.1.2 The width of the discharge port should be uniform, the operation of adjusting the discharge port device should be flexible, and the adjustment range of the discharge port should comply with the provisions of Table 1 in 4.3. 5.1.3 The wearing parts of the same model of crusher should be interchangeable, and the basic installation dimensions should be unified. 5.1.4 The wearing parts such as the title plate and side guard plate should be easy to replace. 5.1.5 The position of the lubrication point should be reasonable, the oil supply can be flexibly adjusted, and it should be able to effectively deliver to each lubrication position. 5.1.6 The bearing should have a good sealing and dustproof device, and the friction surface that needs lubrication should have dustproof measures. 5.1.7 The elbow plate and the elbow plate pad should be in uniform contact, and the maximum gap should not be greater than 1mm/m. 5.1.8 The title plate and the supporting surface should be in uniform contact, and the maximum gap should be measured by the maximum side length of the title plate and should not be greater than 2mm/m. 5.1.9 The crusher should be able to be connected to the dust suction device, and the dust suction device shall be prepared by the user. 5.1.10 The maximum discharge particle size greater than 1.7b should not exceed 5%. Under the working conditions of using the new plate, the weighted average size of the discharge particle size should not be greater than b.
5.1.11 The complete set of crushers should include: machine host, main motor, low-voltage electric control cabinet, lubrication device, anchor bolts and special tools. 5.2 Appearance quality
The finished surface should not have burrs, collisions and rust. 5.2.1#
The casting surface or welding surface of the crusher frame should be flat, and there should be no visible unevenness when visually inspected. 5.2.2
The surface of steel parts should be derusted before painting, and the derusting level should not be lower than the St2 level requirements in GB/T89231988. 5.2.3
The painted surface should be smooth and uniform in color, and there should be no defects such as peeling and missing paint. 5.2.4
5.3 Parts quality
The mechanical properties of the materials used for the main parts of the crusher shall not be lower than those specified in Table 2. 5.3.1
Mechanical properties
Parts name
Frame, connecting rod, movable cap
Eccentric shaft, movable cap shaft
5.3.2 The frame, connecting rod, movable cap should be made of ZG270-500 (GB/T11352-1989), and Q235 (GB/T700-1988) can also be used for PJ--750 and below: 45 steel (GB/T699-1999) should be used for the eccentric shaft and movable cap shaft: 60Si2Mn (GB/T1222-1984) should be used for the spring: ZGMn13-2 (GB/T5680-1998) should be used for the cap plate. 5.3.3 When necessary, the eccentric shaft shall be subjected to ultrasonic flaw detection and shall comply with the V-level requirements in JB/T5000.15-1998. When other flaw detection methods are used, they shall comply with the requirements of the corresponding standards. 5.3.4 The casting quality of steel castings shall comply with the requirements of JB/T5000.6-1998. 5.3.5 The welding quality of welded structural parts shall comply with the requirements of JB/T5000.3--1998. 5.3.6 The processing quality of castings and welded parts shall comply with the requirements of JB/T5000.9-1998. 5.4 Safety and health requirements
5.4.1 The sharp edges of the exposed cutting surfaces of the crusher shall be blunted. 5.4.2 When the crusher is working, the crushed materials shall not be spit out. 5.4.3 The noise sound pressure level of the crusher when it is running idle shall not exceed 90dB (A). JB/T3264—2002
5.4.4 The rotating transmission parts of the crusher should have safety protection devices. If not specifically stated in the contract, the user shall prepare them. 5.4.5 When non-crushed objects fall into or when the load is seriously overloaded, the overload protection device (mechanical, electrical or hydraulic) should function to ensure that the main parts are not damaged.
5.5 No-load test requirements
5.5.1 The rotation of the moving parts and moving parts of the crusher should be flexible and free of jamming, and there should be no abnormal noise during the no-load test. 5.5.2 The continuous no-load operation time of the crusher should not be less than 2 hours, and the test run can only be ended 1 hour after the bearing temperature stabilizes. 5.5.3 Stable temperature of the bearing: For sliding bearings, it should not be higher than 70℃, and the temperature rise should not be higher than 20℃; For rolling bearings, it should not be higher than 90℃, and the temperature rise should not be higher than 30℃.
5.6 Technical requirements for electric control cabinets
5.6.1 There should be an operation sign on the operation panel of the electric control cabinet. 5.6.2 The electric control cabinet should have a door-opening power-off function or a tool should be used to open the cabinet door. 5.6.3 The electric control cabinet should be effectively grounded and have a clear grounding mark. 5.6.4 The insulation resistance of the electric control cabinet should be greater than 2M2. 5.6.5 The electric control cabinet should undergo a 1s withstand voltage test. The test voltage should generally be twice the rated voltage of the electrical equipment or 1000V, without flickering. Components that are not suitable for this test should be disconnected during the test. 5.6.6 For crushers larger than PJ900 (including PJ--900), their electric control systems can be controlled remotely and can be interlocked with other mechanical equipment in the process.
6 Test method
When measuring the opening b, the shortest distance between the tooth of the movable jaw plate and the tooth root of the fixed tooth plate or the tooth root of the movable jaw plate and the tooth of the fixed tooth plate should be measured when the movable jaw plate and the fixed plate are farthest apart. 6.1
The quality of rust removal can be checked by sample comparison or visual inspection. 6.3 The physical and chemical properties of the materials of the main parts shall be based on the material quality certificate or physical and chemical test report. 6.4
When ultrasonic flaw detection of eccentric shaft is carried out, the method shall comply with the provisions of JB/T5000.15-1998. 6.5
The insulation resistance of the electric control cabinet and the method of 1s withstand voltage test shall be in accordance with the provisions of GB/T5226.1-1996. Each crusher shall be subjected to no-load test, and the time shall not be less than 2h. 6.6
When the crusher is tested under no-load condition, the noise test method shall comply with the provisions of GB/T3768-1996. Determination of bearing temperature:
For a crusher lubricated with grease, a thermometer is inserted into the screw plug holes of the connecting rod and the frame bearing cover respectively for measurement: For a bearing lubricated with thin oil, a copper thermal resistor is used to measure the return oil temperature. b)
6.9 Determination of processing capacity Q:
Determination conditions of processing capacity Q:
The processing capacity is measured when the width b of the opening discharge port is the nominal value: Determine the weight W of the material to be crushed:
The test shall be carried out under the condition that the crusher is working continuously and the loading capacity is 70% to 100% of the crushing chamber volume: The test shall be conducted at least three times, and the crushing time of a given amount of material shall be measured each time. d
Processing capacity is calculated according to formula (1):
Wherein:
QAverage processing capacity, in m/h:
Q—The i-th test value of the crusher processing capacity, in m/m: (1)
JB/T3264—2002
Number of tests when the discharge port is the nominal value, n≥3. eCalculated according to formula (2):
Wherein:
W--The weight of the material to be crushed, in kg;-The time for material crushing, in s;
-The bulk density of the crushed material, in t/m. p
p is determined by formula (3):
W is the weight of the crushed material sample in the measuring box, in t:2
is the volume of the measuring box, in m, generally V=0.125m3～1.0m3. V
6.9.3 Evaluation of test results: If the material meets the requirements of note a) in Table 1 of 4.3, the evaluation of the processing capacity Q shall be in accordance with Table 1. If not, it shall be modified according to the specific situation.
6.10 Particle size screening analysis of crushed products: 6.10.1 The weight of the material to be crushed in each test shall not be less than the weight W specified in Table 3, and the test shall be conducted at least three times. The weight of the random sampling shall not be less than the value W specified in Table 3, and the sampling shall be conducted at least three times. Table 3
PJ-400
PJ-500
PJ-750
PJ—900
PJ-—1200
The sieve hole size through which 95% of the material passes is the maximum product particle size. The obtained sample is sieved!
6.10.3 Draw the product particle size curve.
6.10.4 The weighted average particle size D of the product is calculated according to formula (4): D=id+rd+.+rd.
Where:
r—weight percentage of each particle size:
PJ—1500
Unit: kg
PJ--2100
drThe average particle size of each particle size, in mm. 6.10.5 Determination of the maximum feed size: When the discharge port b is the nominal value, a single piece of material to be crushed that meets the maximum feed size specified in Table 1 of 4.3 is placed into the operating crushing chamber, and the entire crushing process is observed to see if there is slippage or spitting, so as to determine whether the maximum feed size can meet the requirements of Table 1 of 4.3.
7 Inspection rules
7.1 Inspection classification
Inspection is divided into factory inspection and type inspection
7.2 Factory inspection
JB/T3264—2002
7.2.1 Each product shall be subject to factory inspection and shall be accompanied by a product certificate. 7.2.2
The following items are factory inspection items: 5.1.1~5.1.8, 5.1.11, 5.2, 5.3, 5.4.1, 5.4.3, 5.5, 8.1~8.4 of this standard. 7.2.3
3 The 1s withstand voltage test of the electric control cabinet is a random inspection item. 7.3 Type inspection
Type inspection should be carried out in any of the following cases: 7.3.1
New product trial production or first product;
Product structure, materials, and process have been greatly improved, which may affect product performance; Resuming production after a long period of suspension;
The factory inspection results are significantly different from the previous type inspection; d
The national quality supervision agency has put forward the requirement for type inspection. Type inspection should inspect all requirements specified in this standard. 8 Marking, packaging, transportation and storage
The crusher should be fixed with a sign in a conspicuous position, and the content of the sign is as follows: 8.1
Product model and name;
Main technical parameters:
Factory number and date:
Name of the manufacturing unit.
The text and signs on the outside of the packaging should comply with the provisions of GB/T191-2000. The packaging of the crusher shall comply with the provisions of JB/T5000.13-1998. Documents in the packing box:
Instruction manual:
Product certificate:
Certificate of conformity:
Packing list:
General drawing, component assembly drawing and basic installation drawing: Low-voltage electrical control drawing:
Catalog of wearing parts.
The crusher shall comply with the relevant provisions of water and land transportation. 8.5
The exposed processing surface of the crusher parts shall be coated with anti-rust oil. Electrical equipment shall be stored indoors or packed in waterproof packaging boxes. 8.8Maintenance shall be carried out regularly during the storage period to prevent the parts from rusting and damage. People's Republic of China
Mechanical Industry Standard
Simple Swing Neck Crusher
JB/T3264—2002
Published and distributed by Machinery Industry Press
No. 22 Baiwanzhuang Street, Beijing
Postal Code: 100037
1/16·0.75 Printing Sheet·19,000 Words
Format 890mm×1240mm
20 1st edition, 1st printing, December 2002
Book number: 15111·7093
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