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Mechanical Industry Standard of the People's Republic of China
JB/T7887-96
KY Series Rotary DrillbZxz.net
Published on September 3, 1996
Ministry of Machinery Industry of the People's Republic of China
Implemented on July 1, 1997
Mechanical Industry Standard of the People's Republic of China
KY Series Rotary Drill
1 Subject Content and Scope of Application
JB/T7887-96
This standard specifies the product classification, technical requirements, test methods and inspection rules, marking, packaging, transportation, storage and quality assurance requirements of KY series rotary drills.
This standard applies to KY series rotary drills (hereinafter referred to as drills) and also to other drills of the same type. This type of drilling rig is mainly used for drilling blastholes on various hardness of ore rocks in large and medium-sized open-pit mines. It can also be used for open-pit drilling operations in earthwork projects such as construction, water conservancy and transportation (highways, railways, ports).
Reference standards
GB/T13384 General technical conditions for packaging of electromechanical products JB1604
3 Product classification
3.1 Product model
Mining machinery product model compilation method
The product model should comply with the provisions of JB1604. K
Product improvement code (AB, C....) Maximum drilling diameter, mm
Gear (teeth)
Drilling machine (hole)
3.2 Basic parameters of the product
The basic parameters of the product should comply with the provisions of Table 1. Table 1
Drilling diameter
Drilling direction
Drilling depth
Drilling tool synchronous speed
Drilling tool propulsion speed
Approved by the Ministry of Machinery Industry on September 3, 1996
KY-150
KY-200
170;200
KY-250
220,250
KY-310
250;310
KY-380
310;380
1997-07- 01 Implementation
Basic parameters
Exhaust and filter air
Grade climbing ability
Technical requirements
4.1 Environmental conditions suitable for drilling rigs
JB/T7887-96
Continued Table 1
KY-150
KY-200
≥150
Drilling rig model
KY-250
KY-310
≥450
KY-380
4.1.1 The ambient temperature suitable for drilling rigs is -30~+40℃. If such drilling rigs are used in high-risk areas, the design, manufacturing and use units shall take corresponding measures.
4.1.2 When the drilling rig is powered by electricity, the power supply voltage is three-phase AC 6/10kV, the frequency is 50Hz, and internal combustion can also be used. 4.1.3 The fluctuation range of the voltage of the power grid of the drilling rig should not exceed ±10%. 4.1.4 The motors and electronic control equipment on the drilling rig should be able to adapt to the following working environment a.
The altitude should not exceed 2000m:
There are relatively intense vibrations and shocks, especially the rotary motor should be able to adapt to the working environment with a frequency of 1020Hz, an amplitude of 10~20mm, and an acceleration of 6g; C
The relative humidity should not exceed 85% (at 20℃±5℃). 4.2 Requirements for the whole machine
4.2.1 Structural type of drilling rig
4.2.1.1 The drilling rig is a self-propelled drilling rig that is driven by electricity (or internal combustion), has top rotation, continuous pressurization, compressed air slag removal, and can be equipped with a dry or wet dust removal system.
4.2.1.2 The drilling rig should be equipped with a leveling device.
4.2.1.3 The drilling rig should be equipped with a driver's cab and a machine room equipped with a pressurization and purification device. The pressurization value of the driver's cab and the machine room shall not be less than 19.6Pa (2mmH,O).
4.2.1.4 The drilling rig should be able to rise and fall. During the rise and fall process, the movement speed of the drilling rig should be uniform and there should be no impact. The drilling rig should be equipped with a rod delivery mechanism. The movement speed of the rod delivery mechanism should be uniform, and the adjustable working position should be accurate. The drill rod should be well centered with the slewing mechanism. The positioning and locking device of the rod delivery mechanism should be flexible and the locking and positioning should be reliable. 4. 2.1.6 The structure of the drilling rig must also ensure that: the axial pressure on the drill tool can be adjusted steplessly; b. The speed of the drill can be adjusted steplessly; the loading and unloading and lifting of the drill rod are mechanized operations. 4.2.2 The traveling operation of the drilling rig should be carried out both on and off the vehicle. 4.2.3 The main operations during the operation of the drilling rig should be concentrated on the operating console in the driver's room, and some auxiliary operations are allowed on other operating consoles outside the driver's room.
4.2.4 The drilling rig should be equipped with a place to store tools and small spare parts. 4.3 Requirements for main parts
4.3.1 The main load-bearing parts such as the horizontal axis shall be subjected to mechanical property tests according to the requirements of the drawings after heat treatment. 4.3.2 Cleanliness of each reducer; after 2 hours of test run, the lubricating oil shall be filtered through a screen with a mesh size of 0.08mm, and the weight of the sediment on the screen after drying shall not exceed 1000mg. 4.3.3 Driver's cab
4.3.3.1 The operating console in the driver's cab shall be equipped with instruments and indication signals that can understand the main working status and main drilling parameters (axial pressure, rotary torque and rotary speed).
JB/T 788796
4.3.3.2 The driver's cab shall be equipped with a device indicating that the drilling rig is in a leveling state. 4.3.3.3 The driver's cab shall be spacious and bright, and the operating handle and seat layout shall comply with ergonomic specifications. 4.3.3.4 The driver's cab shall be equipped with an air conditioning device, and the indoor temperature shall not be lower than 15℃ in winter and not higher than 31℃ in summer. 4.3.4 Electrical system
4.3.4.1 The control table and the electric control cabinet shall be fixed in place and have good dust and water resistance. 4.3.4.2 For drilling rigs without cable reels, a high-voltage cable introduction device shall be provided. 4.3.4.3 All electrical junction boxes on the drilling rig shall be sealed and waterproof. 4.3.4.4 The movable cable from the drilling rig to the slewing mechanism shall be a rubber-sheathed multi-core soft cable. The drilling rig must be equipped with a total power supply line switch. 4.3.4.5
4.3.5 The pipelines of the hydraulic, compressed air control, compressed air slag removal and wet dust removal systems shall be arranged neatly and fixed firmly.
There shall be no leakage in each system, and each actuator shall move flexibly and smoothly without blocking or impact. 4.3.5.2
4.4 Performance requirements
The service life of the main parts should be guaranteed:
The main shaft is not less than 8500h;
The transmission gears of each part are not less than 7500h;
The important welded structural parts such as the drilling rig, platform, crawler bracket, etc., the main parts of 8500b are not broken, 4.4.2
The service life of the drilling rig should not be less than 10 years. 4.4.3 The operation time of the drilling rig should not be less than 4 years until the first overhaul. 4.5 Safety and health requirements
4.5.1 The slewing mechanism of the drilling rig should be equipped with an anti-fall device. 4.5.2 The drilling rig must be equipped with an upper limit switch on the slewing mechanism. 4.5.3 The "emergency stop button" with a conspicuous position and convenient operation should be installed on the weaving table. 4.5.4 The drilling rig should be equipped with grounding, single-phase operation and phase sequence protection devices. 4.5.5 The dust concentration in the air in the driver's cab shall not exceed 2mg/m3. The increase in dust concentration caused by the drilling rig itself around the drilling rig shall comply with the provisions of the "Metallurgical Enterprise Dust Measurement Method". 4.5.64
4.5.7 When the drilling rig is in operation and the purification device is turned on, the noise in the driver's cab shall not exceed 85dB(A). 4.5.8 The illumination at the operating position in the driver's cab and the machine room shall not be less than 50lx. When the drilling rig is moving, the illumination on the road surface 5m away from the drilling rig shall not be less than 10lx.
4.5.9 All operating mechanisms of the drilling rig shall be equipped with signs explaining their purpose and indicating their operating direction. 4.6 Completeness
4.6.1 Scope of complete set supply:
Complete machine of product specified in the order contract;
Random spare parts:
Special tools for maintenance,
Random technical documents:
Operation and maintenance instructions;
Certificate of conformity;
Complete set delivery catalog and packing list;
Random spare parts catalog;
Technical documents of main supporting equipment.
5 Test methods and inspection rules
5.1 Factory inspection
JB/T 7887-96
Each drilling rig shall be inspected before delivery. The inspection items include: a.
Assembly correctness and completeness:
Painting quality and appearance quality;
Hydraulic system sealing condition;
Leveling device load capacity test;
Drilling rig lifting and lowering test;
Walking test:
Drilling tool forward, reverse and speed regulation performance test: Drilling tool propulsion and lifting system speed regulation test: Drill rod loading and unloading test;
Slewing mechanism anti-fall test face;
Noise test;
Separate and mixed dust removal system test.
5.2 Leveling device load capacity test
When using a jack for leveling, the two crawlers should be completely off the ground, and the displacement of the jack piston within 3 hours shall not exceed 3mm. 5.3 Drill rig lifting and lowering test
Perform the drill rig lifting and lowering action to observe whether the movement speed of the drill rig is uniform and whether there is any impact. 5.4 Walking test
5.4.1 No-load test
Level the drill rig so that the two crawlers are completely off the ground, and run it no-load in both directions for 10 minutes each. 5.4.2 Load test
Drive forward and backward for 20m each
b. Turn forward and backward 2 times each, with the rotation angle not less than 90\; In the two tests of straight running and turning, the crawler track is required to be moderately loose, the transmission is smooth, there is no collision, the driving wheel and the driven wheel are not damaged, and the height of the indentation of the crawler plate is not more than 1mm;
For drilling rigs with mechanical transmission system, after completing the two tests of straight running and turning, it is also necessary to check the temperature of the high-clutch and brake, and the maximum temperature shall not exceed 125℃; Check the maximum temperature of the bearing, which shall not exceed Over 75℃: Continuously go back and forth twice on a 12° slope, and the one-way running distance shall not be less than 20m. When the drilling rig reaches the maximum speed when going downhill, the slip of the drilling rig shall not be greater than 0.5m; for drilling rigs with mechanical transmission systems, during the test run, the clutch and brake are required to be flexible and reliable, and the clutch is not allowed to be dragged, and the brake is not allowed to slip; for drilling rigs with hydraulic transmission systems, during the entire load test, there is no external leakage in the hydraulic system, no abnormal noise in the oil pump, and the temperature in the oil box shall not exceed 80℃.
5.5 Drilling tool forward, reverse and speed regulation performance test The drilling tool is idling in forward and reverse directions, and its speed should be continuously adjusted from static state to the highest speed, and then from the highest speed to static state. 5.6 Drill rod loading and unloading test
Respectively send out and retract the left and right drill rod racks, check the centering of the drill rod and the slewing mechanism, and the flexibility and reliability of the positioning and locking device of the rod feeding mechanism.
5.7 Simulate the broken chain state and test the braking performance of the slewing mechanism anti-fall device. 5.8 Noise test
JB/T788796
When measuring noise, the noise value of the surrounding environment should be 10dB(A) lower than the measured noise value; a.
b. Use the A-level and slow gear of the sound level meter to measure; when the drill rig is running, measure in the operator's head position in the front, back, left and right directions. c.
5.9 Dry and wet dust removal system test
Check whether each system is working normally.
5.10 Type inspection
The prototype of the drilling rig or the product after major modification shall be subject to type inspection, which includes factory inspection and industrial test. Marking, packaging, transportation and storage
The drilling rig shall be fixed with a rust-proof metal sign at the specified position, the contents of which shall include: a.
Model and name of the drilling rig:
Basic parameters of the cobalt machine:
External dimensions of the drilling rig,
Factory number:
Factory date:
Name of the manufacturer.
The drilling rig shall be able to be disassembled into independent parts or components for transportation. 6.2
Both ends of the disassembled wires shall have obvious wiring marks. 6.3
The disassembled hydraulic, compressed air and water pipe joints shall be marked in pairs or marked with paired marks, and then unsealed: and protective measures shall be taken. 6.4
6.5All exposed machined surfaces and machined spare parts on the drilling rig shall be oil-sealed, and the oil seal shall ensure that the surface of the parts will not rust within 6 months.
6.6The male thread joint of the drill pipe shall be equipped with a drill pipe cap for lifting and preventing thread damage, and the female thread shall be oil-sealed. 6.7The packaging box used for the drilling rig shall comply with the provisions of GB/T13384. 6.8 The drilling rig's "Operation and Maintenance Instructions" and other random technical documents should be packed in double plastic bags and placed in a certain packaging box, and the box should be marked with the words "Instructions and documents are in this box". 6.9 If the drilling rig cannot be sent or put into use immediately, it should be stored in a warehouse. If it is stored in the open air, rain protection measures should be added. During the storage period, the oil seal should be checked once every 3 months, and replaced or added with a new oil seal according to the actual situation: 7 Quality Assurance
7.1 The manufacturer shall be responsible for the technical service work of the user unit for the installation and testing of the drilling rig on site. 7.2 If the user complies with the storage regulations and under normal use conditions, the warranty period of the drilling rig is stipulated to be from the date the drilling rig is put into use 7.3 For drill rigs for export, the warranty period is 12 months from the date the drill rig is put into use, and no more than 18 months from the date it leaves the Chinese port. Additional remarks: This standard is proposed and managed by the National Technical Committee for Standardization of Mining Machinery. This standard was drafted by Luoyang Mining Machinery Engineering Design Institute and Jiangxi Mining Machinery Factory. The main drafters of this standard are Liu Hanjie, Hu Dejian and Yang Xianli. From the date of implementation of this standard, GB572485 KY-250/310 rotary drill rig and JB/ZQ1043-87 (KY-150/200 rotary drill rig) will be invalid.8 Noise test
JB/T788796
When measuring noise, the noise value of the surrounding environment should be 10dB(A) lower than the noise value being measured; a.
b. Use the A-level, slow gear of the sound level meter to measure; when the drill being tested is in operation, measure in the front, back, left and right directions at the operator's head position. c.
5.9 Dry and wet dust removal system test
Check whether each system is working properly.
5.10 Type inspection
The prototype of the drilling rig or the product after major modification shall be subject to type inspection, which includes factory inspection and industrial test. Marking, packaging, transportation, storage
Anti-rust metal signs should be fixed on the specified position of the drilling rig, and the contents include: a.
Drilling rig model and name:
Basic parameters of the cobalt machine:
External dimensions of the drilling rig,
Factory number:
Factory date:
Manufacturer name.
The drilling rig should be able to be disassembled into independent parts or components for transportation. 6.2
Obvious wiring marks should be left at both ends of the disassembled wires. 6.3
The disassembled hydraulic, compressed air and water pipe joints should be marked in pairs or marked with pairs, and then unsealed: and protective measures should be taken 6.4
6.5All exposed processing surfaces and processed spare parts on the drilling rig should be oil-sealed, and the oil seals should ensure that the surface of the parts will not rust within 6 months.
6.6 The male thread joint of the drill pipe should be equipped with a drill pipe cap for lifting and preventing thread damage, and the female thread should be oil sealed. 6.7 The packaging box used for the drilling rig should comply with the provisions of GB/T13384. 6.8 The "Operation and Maintenance Instructions" and other random technical documents of the drilling rig should be packed in double plastic bags and placed in a certain packaging box, and the words "Instructions and documents are in this box" should be written on the box. 6.9 If the drilling rig cannot be sent or put into use immediately, it should be stored in a warehouse. If it is stored in the open air, rain protection measures should be added. During the storage period, the oil seal should be checked every 3 months, and replaced or supplemented with a new oil seal according to the actual situation: 7 Quality Assurance
7.1 The manufacturer shall be responsible for the technical service work of the user unit when the drilling rig is installed and tested on site. 7.2 If the user complies with the storage regulations and under normal use conditions, the warranty period of the drilling rig is stipulated to be from the date the drilling rig is put into use 7.3 For drill rigs for export, the warranty period is 12 months from the date the drill rig is put into use, and no more than 18 months from the date it leaves the Chinese port. Additional remarks: This standard is proposed and managed by the National Technical Committee for Standardization of Mining Machinery. This standard was drafted by Luoyang Mining Machinery Engineering Design Institute and Jiangxi Mining Machinery Factory. The main drafters of this standard are Liu Hanjie, Hu Dejian and Yang Xianli. From the date of implementation of this standard, GB572485 KY-250/310 rotary drill rig and JB/ZQ1043-87 (KY-150/200 rotary drill rig) will be invalid.8 Noise test
JB/T788796
When measuring noise, the noise value of the surrounding environment should be 10dB(A) lower than the noise value being measured; a.
b. Use the A-level, slow gear of the sound level meter to measure; when the drill being tested is in operation, measure in the front, back, left and right directions at the operator's head position. c.
5.9 Dry and wet dust removal system test
Check whether each system is working properly.
5.10 Type inspection
The prototype of the drilling rig or the product after major modification shall be subject to type inspection, which includes factory inspection and industrial test. Marking, packaging, transportation, storage
Anti-rust metal signs should be fixed on the specified position of the drilling rig, and the contents include: a.
Drilling rig model and name:
Basic parameters of the cobalt machine:
External dimensions of the drilling rig,
Factory number:
Factory date:
Manufacturer name.
The drilling rig should be able to be disassembled into independent parts or components for transportation. 6.2
Obvious wiring marks should be left at both ends of the disassembled wires. 6.3
The disassembled hydraulic, compressed air and water pipe joints should be marked in pairs or marked with pairs, and then unsealed: and protective measures should be taken 6.4
6.5All exposed processing surfaces and processed spare parts on the drilling rig should be oil-sealed, and the oil seals should ensure that the surface of the parts will not rust within 6 months.
6.6 The male thread joint of the drill pipe should be equipped with a drill pipe cap for lifting and preventing thread damage, and the female thread should be oil sealed. 6.7 The packaging box used for the drilling rig should comply with the provisions of GB/T13384. 6.8 The "Operation and Maintenance Instructions" and other random technical documents of the drilling rig should be packed in double plastic bags and placed in a certain packaging box, and the words "Instructions and documents are in this box" should be written on the box. 6.9 If the drilling rig cannot be sent or put into use immediately, it should be stored in a warehouse. If it is stored in the open air, rain protection measures should be added. During the storage period, the oil seal should be checked every 3 months, and replaced or supplemented with a new oil seal according to the actual situation: 7 Quality Assurance
7.1 The manufacturer shall be responsible for the technical service work of the user unit when the drilling rig is installed and tested on site. 7.2 If the user complies with the storage regulations and under normal use conditions, the warranty period of the drilling rig is stipulated to be from the date the drilling rig is put into use 7.3 For drill rigs for export, the warranty period is 12 months from the date the drill rig is put into use, and no more than 18 months from the date it leaves the Chinese port. Additional remarks: This standard is proposed and managed by the National Technical Committee for Standardization of Mining Machinery. This standard was drafted by Luoyang Mining Machinery Engineering Design Institute and Jiangxi Mining Machinery Factory. The main drafters of this standard are Liu Hanjie, Hu Dejian and Yang Xianli. From the date of implementation of this standard, GB572485 KY-250/310 rotary drill rig and JB/ZQ1043-87 (KY-150/200 rotary drill rig) will be invalid.
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