GB/T 35486-2017Specification of spiral-conveyer for logistics warehousing distribution center (English PDF)

3.1 Basic requirements

3.1.1 Working environment conditions

The working environment conditions of conveyors shall meet the following requirements. […]

3.1.2 Requirements for boxed items

The box-type items handled by conveyors shall meet the following requirements. […]

3.2 Main structure

The main structure of conveyors is shown in Figure 1.

3.3 Appearance

The appearance of conveyors shall be clean. The surface shall not have obvious dents, scratches. Cracks are not allowed. The metal parts shall not have rust and mechanical damage. The components shall be firm, no loose. The signs shall be clear, correct and firm.

4.1 Test conditions

4.1.1 Unless otherwise specified, all tests shall be carried out under the environmental conditions required by 3.1.1.

4.2 Visual inspection

Visual inspection shall check whether the specification and condition of all critical components meet the requirements. Visual inspection methods include sight check, ear listening, hand touching, nose sniffing, tapping, etc., as well as the measurement with conventional measuring tools. Visual inspection generally does not require disassembly.

4.3 Paint film adhesion test

The adhesion of the paint film shall be carried out according to the method specified in GB/T 9286-1998.

4.4 Performance test

4.4.1 The conveyor shall carry out the operation under no-load, operation under 1.25 times the rated load, and controlled trial operation for 20 min each. With a total of 60 min of operation of the drive mechanism, check the working state of the conveyor, and check whether the equipment alarms when the rated load is exceeded.

4.4.3 Carry out a fault-free assessment before the conveyor is commissioned and put into use. According to the design requirements, the supply and demand sides shall count the number of failures within the corresponding working times, and record the failure type (mechanical, electrical, human operation, etc.) and failure time.

4.5 Noise measurement

4.5.1 The test instrument is a sound level meter, of which the measurement accuracy is not greater than ±2 dB(A).

4.6 Safety performance test

4.6.1 Use a digital multimeter and a 500 V megger to measure the grounding resistance and insulation resistance of conveyors.

4.6.2 Check the reliability of each electrical interlock. Test with the action that does not meet the interlock regulations, to check the reliability of each electrical interlock, and check the working state of conveyors.

5.1 Factory-exit inspection

5.2 Type inspection

5.2.1 Type inspection shall be carried out in any of the following situations.

5.2.2 See Table 2 for the type inspection items.

5.3 Determination rules

5.3.1 The factory-exit conveyors can be tested in the factory or assembled and tested on site. If the test fails, it is allowed to be re-submitted for inspection after modification.

If the indicators still fail to meet the specified requirements after modification, the quality certificate is not issued, and it is determined as a non-conforming product.

5.3.2 If the type inspection fails, the factory-exit inspection shall be stopped, and the delivery of products that have been put into storage shall be stopped.

6.1 Marking

Conveyors shall be installed with product plates in appropriate and obvious positions.

The plates shall comply with the provisions of GB/T 13306 and shall contain at least the following contents. […]

6.2 Packaging

The packaging of conveyors shall comply with the provisions of GB/T 13384. The packaging signs shall comply with the requirements of GB/T 191.

At least the following accompanying documents shall be attached when the conveyors exit the factory.

6.3 Transportation

Conveyors have no special requirements for the means of transportation. It shall be covered with a tarpaulin, or a caravan shall be used to prevent sun and rain during transportation. It shall be handled with care. […]