JB 8684-1998 Safety requirements for rock drilling machinery and pneumatic tools

JB/T 8684-1998 This standard specifies the general safety requirements for the design, manufacture, use and maintenance of rock drilling machinery and pneumatic tools. This standard applies to rock drilling machinery and pneumatic tools. JB 8684-1998 Safety requirements for rock drilling machinery and pneumatic tools JB8684-1998 Standard download decompression password: www.bzxz.net

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Machinery Industry Standard of the People's Republic of China
JB8684-1998
Safety requirements tor rock drilling machines and pneumatic tools1998-3-19 Issued
Ministry of Machinery Industry of the People's Republic of China
1998-07-01 Implementation
.TB 8684 -1998
This standard is issued by the National Technical Committee for Standardization of Rock Drilling Machines and Pneumatic Tools. The originating unit of this standard is: Tianshui Drilling Machine and Pneumatic Tools Research Institute. The main authors of this standard are Chao Baosan, Zhang Zhuyingcheng, Chen Lankao and Wei Wanjiang. 1. Scope
Standard of the Machinery Industry of the People's Republic of China wwW.bzxz.Net
CNC machine and pneumatic tools
Safety requirements for rock drills and pneumatic tools
JB8684-1998
Standard specifies the general safety requirements for rock drills and pneumatic tools in design, manufacture, use and maintenance. This standard applies to rock drills and pneumatic tools. 2. References to Standards
The following standards contain provisions that constitute the standard text through the use of this standard. When this standard is published, the versions shown are all in effect. New standards may be revised in the future. The users of this standard should consider the possibility of using the new version of the following standards: CB755E?
GR 249484
GB aRAG, -RR
GB3936.283
3 General
Technical requirements for rotating electrical machines
Safety rules
Explosion-proof electrical equipment for use in non-coal-fired environments Requirements for use in explosive environments Class A explosion-proof electrical equipment Flame-proof type gas outlets and handles of the machine are designed! Ensure that no danger of pinching or the like will occur during operation. 31
3.2 Any dangerous parts that the operator may touch, such as chemical, high temperature, circuit, quality degradation, etc., should be equipped with safety warning plates and isolated. 3.3 The product manual should include the safety precautions for the use of the device, and the operating procedures should be strictly followed in accordance with the product instructions.
3.4 ​​The gas supply used should have sufficient pressure resistance, oil resistance and flexibility. The hose should be as flexible as possible, and a single hose should be used. If a special hose length is required, a hose that meets the requirements should be used. The two hoses should be connected by a hose head and a hose bundle that meets the requirements. Then use a section of ordinary pipe and steel wire bundle instead of the pipe joint and pipe change. 3.5 A gas-water separator should be installed on the gas supply line , pressure regulator, oil pump: 3. All the lower and lower heads, including the air (oil, water) joints of the machine itself, should be sufficiently dry and installed, and the main valve used should be 3.7. At the main inlet door of the pipe, check whether the air valve on the machine is in a closed state. Open the main valve after confirmation. 3.8. When performing work or removing the function, the main inlet door of the pipeline should be closed, and then the air outlet door of the machine should be opened once to release the residual air (hereinafter referred to as "industrial air"). 3. There should be enough leakage in the structure, and anti-infection measures should be taken at the joints. 3. The joints of each pipeline and the guns, nails, and nuts of the machine should be checked frequently during work to prevent accidents caused by self-detachment.
3.11. When the underground rock machine is in a small and closed place, When using pneumatic tools, the operator should wear ear protection equipment during operation to prevent the risk of contamination. The Ministry of Machinery Industry approved the 1998-0701 implementation plan on March 19, 1998. 4 Safety requirements for rock drilling machinery. 4.1 Rock drills. F8684--1998. All types of pneumatic rock drills are not allowed to run with operating ears (fiber towers), especially those with connecting rod pin tails or type 2 pneumatic rock drills. The connecting rod pins should be removed before running the rock drills to avoid damage to the machine parts or the connection. Hydraulic rock drills are not allowed to run at a pressure higher than 1/2 of the working oil pressure. When drilling holes, do not push the handrail with gloves. 4.1.1 All handheld rock drills with small impact efficiency (including handheld and pneumatic rock drills) should be operated with the handrails worn. Before operation, the flange (fiber) of the needle clamp should be checked to avoid accidents when pulling out the fiber. Do not use your body to resist the thrust of the machine shaft during operation to avoid accidents when the needle fiber breaks. When the pneumatic rock drill is working in the air, in addition to strictly implementing the national safety regulations for aerial operations, when moving from one hole to the next hole after drilling, one of the following conditions should also be met: When using a machine with a control valve installed: When using a machine without a control locking device, install a valve near the machine on the machine air intake pipe. All operators should first turn off the machine's control before moving the valve or a person on the ground should monitor the air supply. 4.1.2 When the angle between the drilling hole of the above-ground drill and the ground is less than 0.5, there must be a protective cover to prevent the rod from breaking suddenly and causing danger.
4.1.3 For chiseling machines, it is not recommended to use a clamping structure for the bending joints. If a clamping structure is used, the condition of the clamping ring should be checked during operation. If any changes are found, the clamping ring should be connected to avoid inappropriate collisions. 4.1.4 Internal combustion engines can only be used in non-downstream and non-magnetic places when their exhaust, powder, explosion-proof and other aspects can be guaranteed to meet the relevant national regulations. The machine should be stopped every time it is refueled, and no one is allowed to approach it. 4.1.5 The performance of electric belt machines and automatic drills must comply with the provisions of GB755. If explosive environments are used, the provisions of GB383.3 and GB3836.2 must be followed.
4.2 Drilling vehicles and drilling machines
Operators of various vehicles and drop-hole drilling machines should be trained before they can operate. The layout of various pipelines should be inspected and maintained, and the installation method of the pipeline should be carefully marked. When discussing various pipelines, they should be twisted into a pile as much as possible to prevent them from being damaged. Ensure safety. When the pneumatic and electric drilling rigs stop moving, the main air inlet hose and the electric end should be connected to rocks and other objects to avoid breaking and causing accidents. The pressure relief valve should be installed in the pressure relief system of the hydraulic drilling rig to release the residual pressure in the hydraulic system before the hydraulic system is repaired. The hydraulic drilling rig must be equipped with a pressure relief valve. If the valve is adjustable, it should be equipped with anti-loosening and anti-violation measures. The hydraulic system must be regularly inspected and maintained to ensure that it is full and leaks and does not cause danger. The hydraulic rig equipped with a replacement battery must have sufficient rigidity to avoid self-deflection during normal operation. It is strictly forbidden to put tools and other metal items on both sides of the pool. 3. The drilling machine must be safe and reliable. Manual drilling (Xuan) must strictly avoid operability regulations: 4.2.1 When the drilling vehicle and the submersible drilling rig are operating at the core or at the angle specified in their respective standards, the three must be in compliance with the relevant standards, the vehicle must be stable and there should be no visible movement. The rock drilling station and the hole drilling rig should be equipped with a dust suction device and can be started. The dust concentration on site should comply with the national labor regulations. The company's health department stipulates that
4.2.2 Downhole station car type and downstream support machine
Various downhole drilling vehicles and downhole drilling rigs must meet the requirements of certain standards, be stable, and the performance of the electrical parts must meet the relevant current regulations. For those in explosive environments, they must also meet the requirements of GB3836.1 and GB38.16.2.
JR8684—1998
Cars driven by internal combustion engines and with holes 4.3 The drilling and lifting frame should be pre-fastened after adjustment. The mother part should be fixed. Before each operation, check carefully that all the tips are firm and tight. If there are any loose tips, they should be re-fastened to avoid accidents caused by the tip not being in the right position. 5. Safety requirements for pneumatic tools 5.1 Impact pneumatic tools Impact pneumatic tools include: air clamp, air shovel, pneumatic thermosetting machine, Pneumatic nailing machines, impact nailers, pneumatic nailers and needle-beam pneumatic rust removers, etc.
Impact tools are prohibited from being used under any conditions. The machine must not be started if the working tools (pins, pin heads, shovel heads, high heads, etc.) are not in contact with the workpiece, so as to avoid accidental injury or injury to the workpiece. After stopping the operation, the machine body without working tools should be unloaded, and the pneumatic hammer should be used without risk of injury to the workpiece.
5.1.1. There are two types of starters. One is inside the machine, and the operator can push down to start the machine when working. The other is a starter with an oil grip. The former is safer to use, and the latter must comply with the provisions of 5.1. 5. 1.2 When the pneumatic bell is working, no one is allowed to enter the front direction of the machine, and the machine must be protected. 5.1.3 Pneumatic fixing machines are prohibited from working with hard objects such as metal and water, and the piston must be bent. 5.1. Pneumatic hammers and impact weapons should be used with special attention when using and operating pneumatic hammers such as single-piece machines. The machine should be tightly held during operation to prevent the hammer body from flying out. When transporting unpackaged equipment, the hammer body should be taken out to prevent the hammer body from falling off. The handle and handle of the hammer should be firmly held to prevent it from detaching, which is more important for empty operation. When operating, pay attention to the air supply to prevent the body from being suddenly injured by long blows. When it is hot, you should always use a cool knife to avoid scalding accidents. 5.1.$ Pneumatic hammer and pneumatic rust remover
When the air inlet of the punching pipeline is insufficient, install the handheld machine and point the machine or the needle towards someone to avoid accidental injury due to mistake. 5.2 Rotary pneumatic tools
Rotary pneumatic tools include: air station, pneumatic grinder, pneumatic threading machine, pneumatic tapping machine, pneumatic threading machine, pneumatic hole cutter, pneumatic pin remover, etc.
For industrial quick-change joints, it is best to use quick-change joints with automatic air intake shutoff when the joint is opened. If a quick-change joint without automatic air intake shutoff is used, the air intake valve should be closed before the joint is disconnected. The residual pressure in the pipe should be released before disconnecting the quick-change joint to avoid accidents.
5.2.1 Pneumatic and pneumatic threading machines
When installing drilling tools, threading tools, and threading tools, the machine must be disconnected from the air supply line, or the air supply system should be emptied (if the machine with an air intake valve is used, the air intake can be closed). .2.2 Pneumatic turbines, rotary pneumatic light machines, and rotary pneumatic rust removers must not be used to prevent any installed parts or connecting surfaces from being tightened during cutting. The baffle and the clamping plate of the central grinding wheel (steel brush) must be accurate in size and well balanced. The weight should not be less than one-third of the diameter of the grinding wheel. There should be no relative surface or piercing. The verticality error of any part of the baffle surface to the end of the rotating shaft should not exceed n.17mm.
3B 8684-1998
The design and structure of the driving wheel cover must be such that when the machine is running at the highest speed, if the silicon wheel breaks, the following conditions must be met:
) All fragments must be hidden inside the grinding wheel or close to the grinding plane of the grinding wheel; the grinding wheel must remain in place;
The design and structure of the grinding wheel must be such that the wheel cover does not need to be removed from the machine when loading and unloading the driving wheel. The grinding wheel cover of the straight shank pneumatic grinder should cover at least 180 degrees of the wheel on the operator's side, and the end and angle pneumatic grinders should cover at least 18 of the wheel on the operator's side. The end pneumatic grinder is equipped with a stopper that can move freely along the shallow side of the axis, each The rated speed (idling speed, rpm) and the direction of rotation must be permanently marked on the machine to ensure that the allowed linear speed of the selected grinding wheel when replacing the grinding wheel meets the requirements of GB24 and the speed of the steel brush used when replacing the wire brush or rust removal wheel meets the requirements, and the operation sequence ensures that the direction of the spark is not too sharp. When no one is using the machine, the working air pressure does not exceed the rated air pressure, and the protective cover of the wheel, wire brush and rust removal wheel and the speed regulator in the machine should be regularly checked. The idling speed of the machine should be checked immediately. When the speed is too fast, the work should be stopped immediately and the grinding wheel should be used after inspection. The pneumatic ball wheel with a diameter of less than 50mm is not protected, and the pneumatic ball wheel with a diameter of less than 10mm is not protected. The operator should be trained to protect the eyes from impact. Check whether the fastening magnetic wheel, wire brush and rust removal wheel on the machine shaft are started. When the grinding wheel, wire cutter or derusting wheel are rotating, no large movement is allowed. The contact force between these rotating parts and the workpiece cannot be too large to avoid the grinding wheel breaking, wire flying out, and rust removal wheel damage causing accidents. 5.2.3 Pneumatic machines and pneumatic frequency converters
Carefully check whether the pins and sleeves of the machine are intact to avoid accidents caused by the sleeve flying out during use.
Check the connection and the parts are prohibited from running empty. The pneumatic wire cutter is prohibited from running empty after the blade is installed in the machine. 5.2.4 Pneumatic strapping machine
When the strapping machine is about to start, be careful not to fall under the strapping to avoid injury. It is best to be operated by one person. (Safety requirements for other machines (products)
The safety requirements for other machines and products shall comply with the provisions of the third clause of this standard. 43. Pneumatic strapping machine and pneumatic frequency converter
Carefully check whether the air-conditioning and air-conditioning of the machine are intact, so as to avoid accidents caused by the sleeve flying out during use.
Check the air-conditioning and air-conditioning of the machine. It is forbidden to run it without idling. The air-conditioning knife head of the pneumatic strapping machine is forbidden to run it without idling after being installed in the machine. 5.2.4 Pneumatic strapping machine
When the strapping machine is about to start, be careful not to fall under the strapping machine to avoid injury. It is best to operate it by one person. (Safety requirements of other machines (products)
The safety requirements of other machines and products shall comply with the provisions of the third standard of this standard. 4.3. Pneumatic strapping machine and pneumatic frequency converter
Carefully check whether the air-conditioning and air-conditioning of the machine are intact, so as to avoid accidents caused by the sleeve flying out during use.
Check the air-conditioning and air-conditioning of the machine. It is forbidden to run it without idling. The air-conditioning knife head of the pneumatic strapping machine is forbidden to run it without idling after being installed in the machine. 5.2.4 Pneumatic strapping machine
When the strapping machine is about to start, be careful not to fall under the strapping machine to avoid injury. It is best to operate it by one person. (Safety requirements of other machines (products)
The safety requirements of other machines and products shall comply with the provisions of the third standard of this standard. 4.
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