JB/T 5126-2000 This standard is a revision of JB/T 5129-91 "Vane-type pneumatic motors for starting". The revised standard has corrected the basic parameters of the product and improved the quality indicators of the product. This standard specifies the basic parameters, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of vane-type pneumatic motors for starting. This standard is applicable to vane-type pneumatic motors used to start high-power diesel engines. This standard was first issued on May 18, 1991. JB/T 5126-2000 Vane-type pneumatic motors for starting JB/T5126-2000 Standard download decompression password: www.bzxz.net

ICS 73. 100. 10
Machinery Industry Standard of the People's Republic of China
JB/T5126-2000
Vane air motors for starting
Issued on April 24, 2000
National Bureau of Machinery Industry
Implemented on October 1, 2000
JB/T5126-2000
This standard is a revision of IB/5126-91 "Vane air motors for starting". Compared with JB/T5126-91, the main technical content of this standard has been changed as follows: According to the current product quality level, the basic parameters of the products in the original standard have been revised, the quality indicators of the products have been improved, the product categories have been increased, and the products have been eliminated: - The content of the product marking in the original standard has been increased and improved. This standard replaces JB/T.5126-91 from the date of implementation. This standard is proposed and managed by the National Technical Committee for Standardization of Rock Drilling Machinery and Pneumatic Tools. The drafting unit of this standard: Yantai Petroleum Machinery Factory. The main drafters of this standard: Liu Renxiang, Tang Fumei, Huang Kuifeng, Ding Li. This standard was first issued in May 1991, and this is the first revision. 1 Scope
Machinery Industry Standard of the People's Republic of China
Vane air motors for starting
Vane air motors for startingJB/T 5126—2000
Replacement JB/T5126-9!
This standard specifies the basic parameters, technical requirements, test methods, inspection rules and markings, packaging, transportation and storage of vane air motors for starting.
This standard applies to vane-type pneumatic motors (hereinafter referred to as products) used to start high-power diesel engines. 2 Reference standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the version 4 shown is valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest version of the following standards. GB/T 2828 — 1987 | | tt | | GB/T5621 — 1999 | | tt | -1994
JB/T 5937—1996
JB/T 71611993
JB/T7164—1993
JB/T 7302—1994
JB/T 9857—1999
3 Basic parameters
Batch inspection counting sampling procedures and sampling tables (applicable to continuous batch inspection) Performance test methods for rock drilling machinery and pneumatic tools Noise measurement methods for rock drilling machinery and pneumatic tools Down-process method
Terminology for rock drilling machinery and pneumatic tools
General technical conditions for rust prevention of rock drilling machinery and pneumatic tools General detection method for product cleanliness of rock drilling machinery and pneumatic tools General technical conditions for gray cast iron parts of engineering machinery General technical conditions for heat-treated parts of rock drilling machinery and pneumatic tools General technical conditions for machined parts of rock drilling machinery and pneumatic tools General technical conditions for product packaging of rock drilling machinery and pneumatic tools General technical conditions for painting of rock drilling machinery and pneumatic tools The basic parameters of the products are shown in the table! .
Approved by the State Bureau of Machinery Industry on April 24, 2000, implemented on October 1, 2000
Maximum output power
Technical requirements
Acceptance air pressure
JB/T 51262000
When the maximum output power is reached
Idle speed
≥3000
≥2000
Gas consumption per unit power
U(s-kw)
(Sound power level)
≤134
Products shall comply with the provisions of this standard and be manufactured in accordance with the drawings and technical documents approved through the prescribed procedures. 4.2 The terms in product drawings and technical documents shall comply with the provisions of GB/T6247. Air pipe inner diameter
4.3 All parts of the same model product shall meet the requirements of interchangeability (except for optional parts specified in the drawings and technical documents)4.4 The quality of machined parts shall comply with the provisions of JB/T7164. 4.5 The quality of heat-treated parts shall comply with the provisions of JB/T7161. 4.6 The quality of gray cast iron parts shall comply with the provisions of JB/T5937. Machine weight
4.7 All parts (including purchased parts, outsourced parts and standard parts) must be inspected and accepted by the quality inspection department before assembly. After assembly, the whole machine should operate flexibly.
4.8 The telescopic distance of the starting device shall comply with the provisions of the product drawings, and the telescopic distance shall be flexible. 4.9 Under normal lubrication conditions, the product shall operate flexibly and reliably, and all performance indicators shall comply with the provisions of Table! 4.10 The cleanliness index of the product shall comply with the provisions of Table 2. Table 2
Product Series
Cleanliness mg
≤950
The quality of product painting shall comply with the provisions of JB/T9857. : The anti-rust of the product shall comply with the provisions of JB/T3576. 4.12
5 Test method
≤1200bZxz.net
≤1700
≤2200
≤1700
5.1 The product must be inspected and qualified by the quality inspection department of the manufacturer, and can only be shipped with technical documents proving the quality of the product. 5.2 The factory inspection of the product shall be carried out by the manufacturer according to the inspection specifications formulated by the specific product. 5.3 The performance test of the product shall be carried out in accordance with the provisions of GB/T5621. 5.4 The noise measurement of the product shall be carried out in accordance with the provisions of GB/T5898. 5.5 The cleanliness test of the product shall be carried out in accordance with the provisions of JB/T4041. JB/T5126—2000
5.6 The telescopic distance of the product's starting device shall be inspected by visual inspection. 6 Inspection rules
6.1 The factory inspection of the product shall be carried out in accordance with the provisions of 5.1 and 5.2. 6.2 Type inspection
6.2.1 The product shall be subjected to type inspection in any of the following situations: a) New products developed (including old products when they are transferred to the factory for production) b) When there are major changes in the design, process or materials used in the product c) Products produced in batches or in large quantities shall be subjected to type inspection every 3 to 5 years; d) When the product is resumed after a long period of suspension; e) When the national quality supervision agency proposes a requirement for type inspection. 6.2.2 For products subjected to type inspection, 5 units shall be randomly selected from the products that have passed the factory inspection. 6.3 When inspecting the quality of products, the normal inspection shall be carried out in accordance with the sampling plan of GB/T2828, and the general inspection level I shall be adopted. 7.1 Each product shall have a label in accordance with GB/T13306 in a conspicuous position. The content includes: a) Manufacturer name and trademark: b) Product model and product name: c) Output power; d) Output speed: e) Acceptance air pressure: f) Product number; f) Manufacturing date (year, month). 7.2 The quality of product packaging shall comply with the provisions of JB/T7302. 7.3 The following documents shall be attached to the product packaging: a) Packing list; b) Product certificate: c) Product installation, use and maintenance instructions. 7.4 The product shall be waterproof, moisture-proof and sun-proof during transportation and storage.
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