GB 26509-2011Garden machinery - Pedestrian-controlled lawnmower with a petrol (diesel) engine - Safety requirements and testing methods (English PDF)

4.1.1 Requirements

4.1.1.1 In addition to self-propelled mowing blade member and the traveling lawn contact with the ground, the other power driven member should have protective equipment Set to prevent accidental injury operator during normal operation of the device.

4.1.1.2 Unless special provisions of this Standard, all sizes and openings should meet the safety distance in GB 23821-2009

4.1.2 Test conditions and test methods

4.1.2.1 Unless otherwise specified, all the following tests should be carried out at an ambient temperature of 15 °C ~ 35 °C, precision length measuring instrument to Seeking to 2.5%, the speed accuracy and speed measuring instrument was 2.5%.

4.1.2.2 Unless otherwise specified, and all of the following tests can be performed on separate machines, the cutting station means and the housing part, in any order.

4.1.2.3 The following tests mentioned engine operation should be carried out at the maximum operating speed. When the adjustment has not set the maximum operating speed Speed limiting device plugging.

4.1.2.4 Methods of measurement and visual inspection to check whether the appearance and structure requirements.

4.2 Thermal Protection

4.2.1 Requirements The high temperature area greater than 10cm2 member bare portion, and at (20 ± 3) °C at normal operating temperature the surface temperature of 80 °C, Should guard to prevent the operator from contact therewith. The method according to 4.2.2, the probe can not contact with the hot surface of the cone.

4.2.2 Inspection

4.2.2.1 engine is operated at the maximum speed of the surface temperature of the work, the exposed portion of the surface temperature with a measurement precision of ± 4 °C of degree. Measurements shall be made in the absence of direct sunlight. Should the temperature of the measured values according to the difference between the reference ambient temperature and the ambient temperature of the test Correction.

4.2.2.2 When the hot surface area required protection control member nearest distance exceeds 100mm, the use of the cone shown in Figure 1 A, apex downwards, facing a horizontal plane, the angle between the cone axis and the horizontal plane between 0 ° ~ 180 °, the cone moves towards the hot zone. In the mobile cone Determining whether the cone in contact with hot surfaces.

4.2.2.3 need protection when using hot surface area nearest the control member is no more than 100mm (including 100mm) as Cone shown in FIG. 1 B. Whether hot surface in contact with the cone in a mobile cone B is determined. B cone may be moved in any direction. In millimeters

b) a cone B Figure

4.2.4.2 And

4.2.4.3 requirements.

4.1.1.3 circumferentially rotating the cover should be complete continuous, smooth surface.

4.1.1.4 In order to prevent accidental injury event occurs when normal maintenance, maintenance personnel should prevent accidentally touching the guard at the danger.

4.1.1.5 All guards shall be securely mounted on the mower, and must be opened with a tool in order. The following can not shield Tools can be opened. A) After the protective cover is opened or removed, can interlock protection, the tool automatically stop movement;

b) Remove the rear grass grass collector channel automatically closed.

4.1.1.6 If the guard is designed to be openable or removable, the guard member open at the risk of exposing the operator should be able to see the guard member Safety warning labels on or near dangerous place.

4.1.1.7 if the guard member is likely to be use as a pedal, the guard member should be able to withstand loads without damage 1200N.

4.4 Pressure Components

4.4.1 Requirements Hydraulic hose, the hydraulic pressure line and other parts to be coated and fixed so as not to rupture the liquid directly injected into the pipeline operation in the operating position Staff.

4.4.2 Inspection Visual inspection of coated and immobilized state, to determine whether to meet the requirements.

4.5 Liquid overflow

4.5.1 Requirements Lawn Mower In normal operation, all liquid containers should liquid overflow.

4.5.2 Inspection Operating instructions required for all containers (such as batteries, fuel system, lubricating system and cooling system) Note liquids phase foot Should the liquid, the mower is inclined in the left and right directions of 20 ° and longitudinal directions inclined 30 °, and each holding 1min. Observation overflow condition. The liquid droplet discharge hole not overflow.

4.6.1 Requirements

4.6.1.1 conductive lines When conductive lines may be located at the position with the friction surface of the metal, it should be protected by an outer sheath. Conductive lines should be oil or outer sheath To avoid contact lubricants and fuel. Line should be bundled into the wire harness and fixed, does not ensure that no part of the carburetor, the metal fuel pipes, exhaust system, moving parts or sharpened Angular contact, all the metal wires may collide with a sharp edge should be rounded down or padded protective layer to avoid cutting or abrasion due to conductive lines Damage.

4.6.1.2 Battery installation Batteries should be placed firmly, so that other parts wear battery case. Ventilation openings should be mounted battery cartridge storage battery, a breathable and drainage. When the battery cartridge in the overflow acid, which should not flow On his part, in order to avoid the risk of corrosion.

4.6.1.3 Overload In addition to the starter motor and the high voltage ignition circuit, other circuit should be installed near overload non-ground close to the battery terminal Device. For the two-wire circuit, overload protection can be connected in any one line.

4.6.1.4 Insulation Terminals, an insulating protection shall not insulated electrical wire and the circuit element, to prevent normal refueling, lubrication over nursing Contact with the tank or process tool and cause a short circuit.

4.6.1.5 ignition and a high voltage circuit When the mower has an ignition circuit, an ignition circuit shall be cut off the circuit, and is mounted on the low pressure side. All high voltage ignition circuit means including thermal Spark plug terminals should be insulated against electric shock, to prevent the operator inadvertently encounter.

4.6.2 Inspection Visually inspect the relevant section determines whether or not to meet the requirements.

4.7 control means

4.7 control means

4.7.1 Requirements

4.7.1.1 Methods regardless of operating adjustment or simple standard tools, do not make the engine speed exceeds a given

3.15 Meaning the maximum operating speed.

4.7.1.2 addition to the cut position setting or detaching the grass collector, the operator of the trunk area when the lawn mower operation in FIG. 2 shall be given norm Within around 1. When the operator operating the operation done occasionally used, the range of activities which may be beyond the scope of the trunk 1 of FIG 2 is given, but should not exceed In the operating position the two feet on the ground can be leaned to reach the range of 2.

4.7.1.3 order to start the engine casing or a table must satisfy the anti-clutch disengaging tool the contact pin requirements mower, engine starting Operating position may not be given in the range of 2 to FIG.

4.7.1.4 self-driving travel lawn mowing machine tool operation, handling should be able to travel clutch disengaged or closed.

4.7.1.5 controller identification shall meet the following requirements.

a) use is not very intuitive controller, or application of a permanent marking label clearly indicated functions of the controller, and the operation direction The method of operation;

b) operating control symbols should meet GB/T 4269.1, GB/T 4269.2, GB/T 4269.3 and LY/T 1570 requirements.

4.7.2 Inspection

4.7.2.1 by operating the engine speed control device is adjusted with standard tools according to the instruction, so that the engine speed reaches the most Large measure this speed exceeds the maximum operating speed.

4.7.2.2 measurements and by visual inspection, determines whether or not predetermined requirements.

4.7.2.3 traveling clutch operation control means determines whether to stop the traveling lawn. In millimeters 1

--- operating area. generally refers to 95% of the operator stands tall male operative position, can reach the upper area, the operation control means when a limb is often It needs to be moved to the maximum extent; 2

--- lower front area. refers to a region of 5% shorty operator male and 50% female operator against the handle, the upper limb can reach, is 95% of men Against the handle, leaned forward upper region can reach; 3

--- hand. FIG 2 operating stepper lawn zoning

4.8 handle structure

4.8 handle structure

4.8.1 Requirements

4.8.1.1 lawn mower handle should be firmly connect.

4.8.1.2 length of the handle when the handle should ensure that the most unfavorable position, close to the handle and the blade tip locus operator (or hob flank Minimum horizontal distance from edge) should be greater than 450mm (FIG. 3). When the structure of the operating side of the housing station does not satisfy the requirements 4.9.1.4, the distance Not less than 750mm. When the operation side Hob mower satisfy requirements

4.11.1.1 preventing the contact pins, the distance may be less than 450mm. In millimeters The distance between the handle 3, with the tip circle shell station

4.8.1.3 inverted with the lawn mower handle, when the handle flipped to any operating position, the handle can be automatically locked and securely.

4.8.1.4 retractable handle with the lawn mower, the handle when adjusted to the operative position, the handle can be manually or automatically locked and securely connected.

4.8.2 Inspection

4.8.2.1 the mower is placed in a horizontal plane, while the fixed station and the wheel housing, is applied to a rear portion of the handle forwardly parallel to the center line 230N static surface force (a force F in FIG. 3), the handle and the handle fixing member should not be damaged. After removal of the test force, the handle should still be in line with The relevant size requirements.

4.8.2.2 By measuring the size judgment meets the specified requirements.

4.9 shell station (only applicable Yu Xuan lawn mower knife)

4.9 shell station (only applicable Yu Xuan lawn mower knife)

4.9.1 Requirements

4.9.1.1 addition Lysimachia front opening and an outer opening, the shell of the machine along the lawn, the cutting edge should extend to at least 3mm below the plane of the circle. dissatisfied This requirement should be sufficient to meet the requirements of 4.11.1.2. If the tool head fastening screw extending along the lower housing, the screws should be installed in the tip circle diameter Within a range of 50%.

4.9.1.2 When the grass when the passage opening is open, at any point in the rotational direction of the tangent reaches the operation region shown in FIG. 2 on the tip circle plane It should be blocked before the shell or the ground station.

4.9.1.3 station housing front portion may have no more than an opening width as shown in FIG. 5 or FIG. 4, and should be met. the highest point along the men to the housing from a front station Arbor direction, lead downward into a 15 ° angle with the horizontal rays, and the rays can not intersect the plane within the tip circle tip circle. Meanwhile Tool At the lowest cutting position, the point can not exceed more than 32mm from the tip circle plane. The front portion of the station housing having comb structure which comb It should be the highest point of the opening station along the front shell as men. FIG 4 uniaxial mower front opening width restriction FIG 5 multiaxial mower front opening width restriction 4.9.1.4

4.9.1.5 addition, the operation of the protective casing structure and the tip side of the circular table closest distance should be at least 120mm, upturned angle And the horizontal angle should not exceed 5 ° (see FIG. 3).

4.9.1.5 protection structure housing the operating side when the station does not meet the requirements of 4.9.1.4, the shield should be provided, between the blade housing and an operator station When the cutting tool at any location along the shield to support the ground should not be higher than 6mm, and should be one of the following requirements.

--- for mowing lawn mower or less in width of 600mm, a width of the mowing range is occluded shield (which may include wheel) It should be less than 90%;

--- for lawn mowing machine width greater than 600mm, the inner rear wheel spacing is blocked shield should be less than 90% of the range.

4.9.1.6 in the case of the flat mount portion against the tool shaft opening may be provided, the other portion may have a smaller diameter than the hole of 6mm. but Is any point through the holes or openings of the rays reaching the operation area not shown in FIG. 2 on the tip circle plane.

4.9.1.7 flip type protective cover for mounting or grass collector and protective cover can be moved, can be automatically closed after removal of the grass catcher. This one

4.9.1.1 protective cover should meet the requirements as part of the station housing.

4.9.2 Inspection Meets the requirements by test measurements. It is discriminated from the outside of a straight rod 3mm lawn gently inserted to replace with a tangent rays or diameter. Tangent test method is only applicable Not to the grass collector or protective cover covering the opening.

4.10 hob cover (only applies to hob lawn machine)

4.10 hob guard (only Hob mower)

4.10.1 Requirements

4.10.1.1 hob should have front and rear portions of the protective measures to prevent the lower limbs touching the hob. 6, test bars and blade pitch hob From not less than 10mm. In millimeters