SU1439284A1 - Method of diagnostics of axial-plunger hydraulic pumps - Google Patents
Method of diagnostics of axial-plunger hydraulic pumps Download PDFInfo
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- SU1439284A1 SU1439284A1 SU864127228A SU4127228A SU1439284A1 SU 1439284 A1 SU1439284 A1 SU 1439284A1 SU 864127228 A SU864127228 A SU 864127228A SU 4127228 A SU4127228 A SU 4127228A SU 1439284 A1 SU1439284 A1 SU 1439284A1
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- USSR - Soviet Union
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- hydraulic pump
- axial
- axial clearance
- hydraulic pumps
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- Control Of Positive-Displacement Pumps (AREA)
Abstract
Изобретение может быть исполь- зёвано при определении технического состо ни гидронасосов в услови х эксплуатации. Цель изобретени - уп- рощение процесса диагностировани . Осевой зазор качающегос узла оценивают косвенным путем. Измер ют в магистрали подачу гидронасоса при двух значени х частоты вращени вала при условии посто нства рабочего давлени , например номинального, и рассчитывают суммарный осевой зазор. Сравнивают полученное значение с допустимым .The invention can be used in determining the technical condition of hydraulic pumps under operating conditions. The purpose of the invention is to simplify the diagnostic process. The axial clearance of the swinging unit is estimated indirectly. The flow of the hydraulic pump is measured in the line at two values of the shaft rotation frequency under the condition of constant working pressure, for example, nominal, and the total axial clearance is calculated. Compare the obtained value with a valid.
Description
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Изобретение относитс к машиностроению и испытательной техники и может быть использовано при определении технического состо ни акси- ально-поршневьк гидронасосов в услови х эксплуатации.The invention relates to mechanical engineering and testing equipment and can be used in determining the technical condition of axial-piston hydraulic pumps under operating conditions.
Цель изобретени - упрощение процесса диагностировани .The purpose of the invention is to simplify the diagnostic process.
Способ заключаетс в том, что оцекивают осевой зазор качающегос узла гидронасоса косвенным путем при измерении в магистрали его рабочего параметра, в качестве которого используют подачу гидронасоса, измеренкую при двух значени х частоты вращени вала гидронасоса при условии по- сто нства рабочего давлени , например Номинального, а затем определ ют суммарный осевой зазор качающегос узла из выражени The method consists in estimating the axial clearance of the pumping unit's pumping unit indirectly when measuring its operating parameter in the line, which is used to supply the hydraulic pump, measured at two values of the rotation frequency of the hydraulic pump shaft, for example, the nominal, and then determine the total axial clearance of the swing assembly from the expression
,. ., .
L q(n,-npj L q (n, -npj
где - частота вращени гидронасоса при первом и втором измерени х соответственно;where is the rotation frequency of the hydraulic pump during the first and second measurements, respectively;
QY,Q подача гидронасоса, соответствующа первому и второму измерени м; q - рабочий объем качающегос QY, Q flow rate of the hydraulic pump corresponding to the first and second dimensions; q - working volume
узла гидронасоса; h ход поршн ,,hydraulic pump assembly; h piston stroke ,,
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU864127228A SU1439284A1 (en) | 1986-10-02 | 1986-10-02 | Method of diagnostics of axial-plunger hydraulic pumps |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU864127228A SU1439284A1 (en) | 1986-10-02 | 1986-10-02 | Method of diagnostics of axial-plunger hydraulic pumps |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1439284A1 true SU1439284A1 (en) | 1988-11-23 |
Family
ID=21260231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU864127228A SU1439284A1 (en) | 1986-10-02 | 1986-10-02 | Method of diagnostics of axial-plunger hydraulic pumps |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU1439284A1 (en) |
-
1986
- 1986-10-02 SU SU864127228A patent/SU1439284A1/en active
Non-Patent Citations (1)
Title |
---|
Авторское свидетельство СССР № 804856, кл. F 04 В 1/20, 1975. * |
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