Some standard content:
Mechanical Industry Standard of the People's Republic of China
JB 5124--91
TG1 Series Telescopic Sleeve Hydraulic Cylinder
Published on 1991-05-18
Published by the Ministry of Machinery and Electronics Industry of the People's Republic of China
Implemented on 1992-01-01
Mechanical Industry Standard of the People's Republic of China
TG1 Series Telescopic Sleeve Hydraulic Cylinder
Main Contents and Scope of Application
B5124--91
This standard defines the type, basic model, joint size and technical requirements of the TG1 series telescopic sleeve hydraulic cylinder. The power marking is applicable to self-supporting work and also to other lifting cylinders. 2 Reference standards
GR3838 Sample counting procedure and sample table for batch inspection (applicable to inspection of subsequent batches) 3 Type, basic specifications and dimensions
5.1 The type of the energy unit is a single-acting closed multi-purpose cylinder. 3.2 Working pressure
Rated: 15MPg
3. 3. 1 The light plug should be in accordance with the provisions of Table 1, and the outer diameter of each sensitive sleeve should comply with the provisions of Table 2. 5. 5. 2
The order of the sleeve and the cabinet plug should comply with the provisions of Table 3, 3
3.3.4 The single-stage stroke of the sleeve should be determined later. 25D
The application of sleeve cylinder shall be in accordance with the provisions of Table 5,
Approved by the Ministry of Machinery and Electronics Industry in 19105-18
199201-01 Actual frequency
Maximum outer diameter
110100
3.4 Installation type
Rate 512491
The middle part is relatively dynamic, the column chamber rod is spherical, and the installation size is in accordance with Figure 1 and Table E. R
94 2:3
Screw special
M22×1.530
Single stage
3001340
3-Product model mark
4Technical requirements
4H 5124—91
Single cylinder < plunger)
Stroke: 250mm
Maximum cylinder outer diameter:
Bottle positive force is i5 MPa
Series code, 1—case
Cylinder series code
Liquid output type:
"Single acting retractable cylinder
High pressure red
Extended load: 4
4.1 The cylinder set should meet the requirements of this standard and be manufactured according to the samples and documents approved by the secret code. 4.2 The working parts of the cylinder set adopt standard oil, which can be used for transmission, engine oil, fuel oil, motor oil and other mineral oils. The product should be able to work normally within the humidity range of 20 + 80℃. 4. 3 When the working oil pan is 50+4℃, the main performance of the sleeve should meet the following requirements. 4.3.1 The minimum starting pressure should not be greater than 0.56MPa. 4.3.2 External displacement of the sleeve (plunger):
In a static state, there shall be no external leakage! b Under the rated positive force, after the sleeve front [plunger> full stroke operation and reversing for the specified number of times, the external slip shall not be allowed to exceed the specified value. 4.3.3 Pressure resistance, under 1.5 times the rated positive force, maintain pressure for 5 minutes, and no external paint or permanent deformation of parts is allowed. 4.3.4 Durability: Under the action of rated pressure, the sleeve (plunger) shall not be less than 10mm/s at normal speed, and after reversing for not less than 9 times of the full stroke, the external slip test shall be carried out and the external slip shall not exceed the specified value. 4.4 Variable speed (Sex) The surface must not be loose and scratched. 4.5 After welding, the following requirements must be met: 4.5.1 The coaxiality of the center line of the bearing shaft and the center line of the two shaft pins is 0.15. 4.5.2 The center line of the bearing shaft is perpendicular to the center line of the matching diameter of the cylinder. The symmetry is c.5mm. 4.6 All parts must be inspected and qualified. Purchased parts and cooperative parts must have a certificate of conformity before assembly. Before assembly, all parts should be cleaned and coated with grease.
4.7 After assembly, the extension of each level of the plunger should be smooth and the working surface should not be damaged. The signs should be smooth and the placement should be firm.
4.8 The exposed non-working surface of the cylinder should be coated with anti-rust primer, and the exposed working surface should be equipped with protective plastic. 5 Test methods and inspection rules
5.1 Each cylinder should be tested before leaving the factory. 5.2 For any of the following conditions, product type test must be carried out. The number of products for type test is stipulated to be three, one of which is subject to full-item test and the rest to performance test.
When the product is finalized (including product transfer);
b. When there are major changes in design process or materials used that affect product performance,
d. When there is an unacceptable deviation between the results of factory test and the previous type test. 3
JB5124--91
5.3 Schematic diagram of simple test pressure system (see reference for example A1). 5.4 Test components
5.4.1 E-pressure meter summary
factory test ".5-level
type test" design
5. 4.2 Please choose the type test 1 levelbZxz.net
5. 4.3 Report the actual report
factory allowance 1.5-level
current test 1 melt
5.4.4 Oil viscosity
50 (27~13) 12-m/s
5.4.5 The measurement value of the instrument should not be greater than the test value of 2: 5. 4. 6 Oil temperature:
Type test 5G±2℃,
5℃+4℃
Durability test! C~B,
High temperature test not less than.
5.4. Cleaning degree: or the solid contaminant level of the test oil is not more than 13/16. 5. 5 Test items and methods See Table 7 for test requirements. Table 7
Test run
Minimum pressure
Effective test
Full stroke
Test modification
Factory test
Job test
Test method
Test formula
No load is required, the whole process is repeated, the air is removed until the movement is stable. Under no load conditions, adjust the flow meter to the case (when the flow meter starts to move. The variable force in the red box is the minimum dynamic pressure on the test rod, and the load is passed through the section. Before the test, the pressure of the cylinder is adjusted to 40%, 55%, 0%, x5% and 100% of the rated pressure. Record the dynamometer value under the unsatisfactory pressure, calculate the negative pressure of each force point, and the pressure within the range is 1.5 times the rated pressure, and the pressure is maintained at 5mln. For the factory test, the pressure limit is 2nin. Make the cylinder of the test sleeve in the full extension and full adjustment position, and measure the length of the whole line. MPa
Accept my service
1. There shall be no external potential filling phenomenon,
2. There shall be no long-term deterioration
Full stroke long course special performance ticket requirements
External leakage
High disk certificate
Reliable
Durability
Test type brush
Output test
Type test
JB51 24-·91
Test and supervision
See durability test, factory test and full stroke certificate 20 times, potential bottom measurement attenuation time (performance measurement
Under rated working conditions, other people's rapid continuous operation for more than 1
Under rated frequency, annual business (performance plug> average speed not less than 1m/line of the full stroke 905, fast 100,000 times. If it is prohibited to two)
See durability test
Support
Casing (life plug> change company 13,000 times, the outer net depth is not lung, Li Jian (material race dyeing to 1.6 square layers again)The sleeve has been run for more than 100m. The external quality
Measurement ≤,0.C01 ×d mL
First: 4-more than the test results must be recorded in the test record table. Each set of simple products shall be issued by the technical inspection department after the test results are obtained.
Product inspection orders have the right to be based on factory tests and requirements. The quality of the products will be subject to the requirements of this standard. The batch and quantity levels of the products shall be determined by negotiation between the two parties according to the provisions of GB282. Exploration and packaging recommendations
7. Each simple product shall be set up according to the regulations, the type of marking shall be eliminated, the production, US standards, and the relevant provisions of the product brand shall be added. The design shall include
Product name and number
Main technical information:
Product number,
Factory date.
Manufacturer's name
7.2 After the factory inspection, the exposed floor should be sealed with oil, and it is forbidden to use missing sheets, cotton sand, wooden tables and other materials to seal. The surface should be dyed to prevent dripping, and it should be packed quickly to ensure that it will not rust or be damaged within six months under normal transportation and maintenance conditions. 7.3 It must be strong and reliable. The following contents should be marked on the packing box: n
Name and address of the receiving unit;
Product name, model, quantity, total rounding! Select name:
Date and number
Production. 4 The packing box should contain the following technical documents:
Packing list
Product certificate,
Product instruction manual.
All documents should be packed in plastic bags,
Additional instructions,
512497
Appendix A
Schematic diagram of the injection pressure system of the commercial cylinder
(special parts)
Figure A! Schematic diagram of the injection pressure system of the simple test set—variable rate 12—reading 13—change, time, 4 one-way joints must be idle 15—number of cylinders 5—test stop: 7—pressure gauge, 8—pressure switch 19—country: 10 meter 11 oiler: 12—oil suction relay, 13—lubricant gauge, 14—electric This standard is proposed and managed by the China Agricultural Mechanization Science Research Institute. This standard was issued by the China Agricultural Mechanization Science Research Institute, and the main drafter of this standard is quality evaluation.
This standard shall be implemented from the date of implementation, NJ13[-7 complete agricultural machinery telescopic set of simple jade red> work area.
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.