QB/T 1702.2-1993 Scraper elevator

This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of GT9D53 type slat elevator. This standard applies to GT11B1 type tomato complete set slat elevator. QB/T 1702.2-1993 Slat elevator QB/T1702.2-1993 Standard download decompression password: www.bzxz.net

Light Industry Standard of the People's Republic of China
Scrape Elevator
Subject Content and Scope of Application
QB/T1702.2-—1993
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of GT9D53 type scraper elevator.
This standard applies to the scraper elevator of GT11B1 type tomato sauce complete set equipment. 2 Reference Standards
GB/T 14253
QB/T 1588. 1
QB/T 1588.2
QB/T1588.3
QB/T 1588. 4
General technical conditions for light industrial machinery
General technical conditions for welded parts
Light industrial machinery
Light industrial machinery
Light industrial machinery
General technical conditions for cutting and machining parts
General technical conditions for assembly
General technical conditions for painting of light industrial machinery
QB/T1702.112t/d Tomato sauce complete equipment Determination of noise sound pressure level of metal cutting machine tools ZBJ50004
3 Product classification
3.1 Product type
This elevator uses the blocking of the scraper to lift tomatoes from the conveying trough. 3.2 Product model
GT ９D
- Equipment design sequence number
Equipment type code (transporter)
Equipment category code (other equipment)
Equipment specialty code (head machinery)
Note: Product models are issued by the Hangzhou Light Industry Machinery Design Institute of the Ministry of Light Industry. 3.3 Basic parameters
Basic parameters are shown in Table 1.
Approved by the Ministry of Light Industry of the People's Republic of China on March 28, 1993 316
Implemented on October 1, 1993
Transportation capacity
Lifting inclination
Bracket width × height
Lifting height
Installed capacity
4 Technical requirements
QB/T1702.2—1993
810X60bzxz.net
4.1 Products shall comply with the requirements of this standard and be manufactured according to drawings and technical documents approved by the prescribed procedures. At the same time, they shall also comply with the requirements of QB/T1702.1.
4.2 All purchased parts and raw materials shall have the inspection certificate or quality assurance certificate of the supplier. If there is no certificate or quality assurance certificate, the manufacturer shall inspect the purchased parts and raw materials and only qualified ones can be used. 4.3 The basic technical requirements of the whole machine shall comply with the relevant provisions of GB/T14253. 4.4 The insulation resistance shall not be less than 2MQ, and the grounding resistance shall not be greater than 0.2Q4.5 The welding of parts and products shall comply with the relevant provisions of QB/T1588.1. 4.6 The mechanical processing of parts shall comply with the relevant provisions of QB/T1588.2. 4.7 The assembly of products shall comply with the relevant provisions of QB/T1588.3. The sprockets on the same transmission shaft must be in the same position, and the chains driven must be closely aligned.
4.8 The paint shall comply with the relevant provisions of QB/T1588.4. 4.9
The no-load noise shall not be greater than 85dB(A).
Test method
5.1 Conveying capacity
Use a stopwatch with a graduation value of 0.1 s to measure the time required to convey 1 t of material, and then convert it into 1 h of conveying capacity, which shall comply with the provisions of Table 1.
5.2 Electric power consumption
Measured by a three-phase power meter with an accuracy of 0.5 level, the value shall not be greater than the provisions of the installed capacity in Table 1. 5.3 Insulation resistance, grounding resistance
Measure the insulation resistance between the motor output terminal and the housing with a 500V megohmmeter with an accuracy of 1.0 level, which shall comply with the provisions of Article 4.4; between the machine grounding terminal and the housing, measure the grounding resistance with a digital micro-ohmmeter with an accuracy of ±0.001Ω, which shall comply with the provisions of Article 4.4.
5.4 Noise
Tested by a sound level meter with an accuracy of ±1dB in accordance with the provisions of ZBJ50004, the result shall comply with the provisions of Article 4.9. 5.5 Other items shall be inspected by conventional methods such as visual inspection, listening, and touching. 6 Inspection rules
Inspection is divided into factory inspection and type inspection.
6.1 Factory inspection
6.1.1 Inspection must be carried out before the product leaves the factory. 6.1.2 Each batch of products shall be inspected for manufacturing, assembly, appearance, etc. according to the product drawings, technical documents and the requirements of 4.1~4.9 approved by the prescribed procedures.
QB/T 1702.2—1993
6.1.3 Products may leave the factory only after they have passed the inspection and shall be accompanied by documents proving the quality of the products. 6.2 Type inspection
6.2.1 Type inspection shall be carried out in any of the following circumstances. a.
After the trial production of new products is completed or the old products are transferred to the factory for production, if there are major changes in structure, materials and processes after formal production, which may affect the product performance; once every three years during normal production;
When the product is suspended for a long time and resumes production;
When the national quality supervision agency proposes the requirement for type inspection. Type inspection shall be conducted by randomly selecting one unit from the qualified products after factory inspection, and the inspection items shall comply with the provisions of Article 3.3 and Chapter 4. 6.2.2
Type inspection shall be conducted in the user unit.
6.2.3 Judgment rules
If the type inspection fails, double sampling shall be conducted. If it still fails, the batch of products shall be deemed unqualified. 7 Marking, packaging, transportation and storage
According to the provisions of Chapter 8 of QB/T1702.1.
Additional remarks:
This standard was proposed by the Technical Equipment Department of the Ministry of Light Industry. This standard is under the jurisdiction of the National Light Industry Machinery Standard Promotion Center. This standard was drafted by Shanghai Qianwei Machinery Factory. The main drafter of this standard is Shi Lianguan.
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