CN202811654U - Hydraulic driving pump detection equipment - Google Patents
Hydraulic driving pump detection equipment Download PDFInfo
- Publication number
- CN202811654U CN202811654U CN 201220478053 CN201220478053U CN202811654U CN 202811654 U CN202811654 U CN 202811654U CN 201220478053 CN201220478053 CN 201220478053 CN 201220478053 U CN201220478053 U CN 201220478053U CN 202811654 U CN202811654 U CN 202811654U
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- CN
- China
- Prior art keywords
- relief valve
- fluid clutch
- unit
- detection
- driving pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model provides hydraulic driving pump detection equipment in a hydraulic system, wherein the hydraulic system comprises a hydraulic driving pump and a first spillover valve. The hydraulic driving pump detection equipment comprises a replacement unit, a detection unit and a definition unit, wherein the replacement unit is used for replacing the first spillover valve by the adoption of a second spillover valve, and the second spillover valve is a spillover valve in a normal working state, the detection unit is used for detecting the output pressure of the hydraulic driving pump by the adoption of the second spillover valve, and the determining unit is used for determining whether the hydraulic driving pump is in the normal working state or not according to a detected result. According to the hydraulic driving pump detection equipment, the independent fault detection on the hydraulic driving pump is realized, and the problems of incapability of eliminating the possibility of fault occurrence on the spillover valve and incapability of independently carrying out the fault detection on the hydraulic driving pump in the prior art are solved.
Description
Technical field
The utility model relates to measuring technology, relates in particular to a kind of fluid clutch detection facility.
Background technique
Fluid clutch is the power unit of hydraulic system, is used for each action component normal operation of drive hydraulic system principle.In hydraulic system, fluid clutch is connected with the filler opening of relief valve, and motor is connected with the oil outlet of relief valve.If the pressure of hydraulic system breaks down, need to carry out Pressure testing to other hydraulic units in fluid clutch and the hydraulic system, be used for the location trouble unit, and then fix a breakdown.Because fluid clutch is the power unit of hydraulic system, at first needs fluid clutch is carried out Pressure testing.
Prior art adopts the oil outlet to relief valve to carry out shutoff, the safety pressure of regulation relief valve, utilize pressure checking device that the delivery pressure of fluid clutch is detected, if the delivery pressure of fluid clutch does not change with safety pressure, judge that then in fluid clutch and the relief valve one or two breaks down, can not get rid of the possibility that relief valve breaks down, can not realize separately fluid clutch being carried out faut detection.
The model utility content
The utility model provides a kind of fluid clutch detection facility, is used for separately fluid clutch being carried out faut detection.
One side of the present utility model provides a kind of fluid clutch detection facility, comprising:
Be used for utilizing the second relief valve to replace described the first relief valve, described the second relief valve is the replacement unit that is in the relief valve of normal working;
Be used for utilizing described the second relief valve, the detection unit that the delivery pressure of described fluid clutch is detected;
Be used for the result according to described detection, determine whether described fluid clutch is in the determining unit of normal working.
Aforesaid fluid clutch detection facility, described replacement unit comprises:
Be used for cutting off the cut-out subelement that is connected between described fluid clutch and described the first relief valve;
Be used for connecting the connexon unit of described fluid clutch and described the second relief valve.
Aforesaid fluid clutch detection facility, described determining unit also is used for
If described testing result does not change with the variation of the safety pressure of described the second relief valve, judge that then described fluid clutch breaks down;
If described testing result changes with the variation of the safety pressure of described the second relief valve, judge that then described fluid clutch is in normal working.
The fluid clutch detection facility that the utility model provides, wherein hydraulic system comprises fluid clutch and the first relief valve, the fluid clutch detection facility comprises: be used for utilizing the second relief valve to replace described the first relief valve, described the second relief valve is the replacement unit that is in the relief valve of normal working, be used for utilizing described the second relief valve, the detection unit that the delivery pressure of described fluid clutch is detected and be used for result according to described detection, determine whether described fluid clutch is in the determining unit of normal working, solved the technical problem of separately fluid clutch being carried out faut detection, the possibility of having got rid of the relief valve fault has realized separately fluid clutch being carried out faut detection.
Description of drawings
Fig. 1 is the utility model one embodiment's fluid clutch assay device structures figure;
Fig. 2 a is the another embodiment's of the utility model fluid clutch assay device structures figure;
Fig. 2 b is the another embodiment's of the utility model fluid clutch assay device structures figure.
Embodiment
For the purpose, technological scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technological scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the fluid clutch detection facility shown in the utility model embodiment one, as shown in Figure 1, comprising:
Be used for utilizing the second relief valve to replace described the first relief valve, described the second relief valve is the replacement unit 11 that is in the relief valve of normal working, be used for utilizing described the second relief valve, the detection unit 12 that the delivery pressure of described fluid clutch is detected, be used for the result according to described detection, determine whether described fluid clutch is in the determining unit 13 of normal working.
Concrete, the fluid clutch detection facility is used for hydraulic system, and described hydraulic system comprises fluid clutch and the first relief valve.Replacement unit links to each other with detection unit, links to each other with fluid clutch with the first relief valve.Replacement unit utilizes the second relief valve to replace described the first relief valve, and described the second relief valve is the relief valve that is in normal working.Detection unit links to each other with determining unit with replacement unit respectively, utilizes described the second relief valve, and the delivery pressure of described fluid clutch is detected.Determining unit links to each other with detection unit, according to the result of described detection, determines whether described fluid clutch is in normal working.
In the present embodiment, the fluid clutch detection facility has adopted replacement unit to utilize the second relief valve to replace described the first relief valve, described the second relief valve is the relief valve that is in normal working, detection unit utilizes described the second relief valve, delivery pressure to described fluid clutch detects, determining unit is according to the result of described detection, determine whether described fluid clutch is in the technological scheme of normal working, solved the technical problem of separately fluid clutch being carried out faut detection, the possibility of having got rid of the relief valve fault has realized separately fluid clutch being carried out faut detection.
Fig. 2 a is the fluid clutch assay device structures figure shown in the utility model embodiment two, and described hydraulic system comprises fluid clutch and the first relief valve, shown in Fig. 2 a, comprising:
Be used for utilizing the second relief valve to replace described the first relief valve, described the second relief valve is the replacement unit 21 that is in the relief valve of normal working, be used for utilizing described the second relief valve, the detection unit 22 that the delivery pressure of described fluid clutch is detected, if being used for described testing result does not change with the variation of the safety pressure of described the second relief valve, judge that then described fluid clutch breaks down, if described testing result changes with the variation of the safety pressure of described the second relief valve, judge that then described fluid clutch is in the determining unit 23 of normal working.Wherein, described replacement unit 21 comprises: be used for cutting off the cut-out subelement 211 that is connected between described fluid clutch and described the first relief valve, for the connexon unit 212 that connects described fluid clutch and described the second relief valve.
Further, connexon unit 212 also is used for carrying out connecting described fluid clutch and described the second relief valve after the bore conversion.Because in hydraulic system, the bore of the filler opening of the second relief valve is often different from the bore of the delivery pressure mouth of fluid clutch, connexon unit by using transit joint carries out the bore conversion to the filler opening of the second relief valve, so that the bore of the delivery pressure mouth of the bore of the filler opening of test relief valve and fluid clutch mates mutually.
Need to prove, because in the hydraulic system, the diesel engine cardan shaft is dangerous element, also can adopt long hydralic hose or inner thread steel pipe to connect the filler opening of the second relief valve of replacement unit and the delivery pressure mouth of described fluid clutch, so that the fluid clutch detection facility away from the diesel engine cardan shaft, improves Security.
Concrete, Fig. 2 b is the fluid clutch assay device structures figure shown in the utility model embodiment two, shown in Fig. 2 b, replacement unit links to each other with detection unit, links to each other with the filler opening of the first relief valve and the delivery pressure mouth of fluid clutch.Wherein, cut off subelement and link to each other with the filler opening of the first relief valve and the delivery pressure mouth of fluid clutch respectively, the connexon unit links to each other with the delivery pressure mouth of detection unit and fluid clutch respectively.Replacement unit utilizes the second relief valve to replace described the first relief valve, and described the second relief valve is the relief valve that is in normal working.Detection unit links to each other with determining unit with replacement unit respectively.Regulate the safety pressure of described the second relief valve, so that safety pressure is less than the high output pressure of described fluid clutch, detection unit is tested the delivery pressure of fluid clutch by the flow measurement interface.The flow measurement interface can be arranged on the second relief valve, also can be arranged between the second relief valve and the fluid clutch, or other positions that can test the delivery pressure of fluid clutch.Determining unit links to each other with detection unit, according to the result of described detection, determines whether described fluid clutch is in normal working.If described testing result does not change with the variation of the safety pressure of described the second relief valve, then determining unit judges that described fluid clutch breaks down; If described testing result changes with the variation of the safety pressure of described the second relief valve, then determining unit judges that described fluid clutch is in normal working.Wherein, described the variation with the variation of described safety pressure is not absolute and do not change with the variation of described safety pressure, but the output end pressure of fluid clutch changes the variation much smaller than safety pressure.Owing to be activated the unsettled impact of diesel engine speed of fluid clutch, fluctuation can appear in the delivery pressure of fluid clutch, therefore, when fluid clutch breaks down owing to internal damage, regulate safety pressure, the output end pressure that fluid clutch can occur equally changes, but described variation is that described variation meeting is much smaller than the variation of safety pressure owing to drive unstable the bringing of diesel engine speed of fluid clutch.
Wherein, the connexon unit links to each other with the delivery pressure mouth of detection unit and fluid clutch respectively, comprise, the filler opening of the second relief valve of connexon unit links to each other with the delivery pressure mouth of fluid clutch, and the metering orifice of the filler opening of the second relief valve of connexon unit or the second relief valve of connexon unit links to each other with detection unit.
Need to prove that the second relief valve can adopt general relief valve, if general relief valve also comprises oil outlet, also need with blocking cap the oil outlet of general relief valve to be carried out shutoff.
Need to prove in addition, also can adopt the regulator bolts of regulating the test relief valve, so that safety pressure is more than or equal to the high output pressure of described fluid clutch, detection unit is tested the delivery pressure of described fluid clutch, if the delivery pressure of the described fluid clutch that records can not reach the maximum delivery pressure of fluid clutch, then determining unit judges that described fluid clutch breaks down.But because the maximum delivery pressure of fluid clutch is often higher, in test process, safety pressure is set to the high output pressure more than or equal to described fluid clutch, can cause adverse effect to the hydraulic driving pump performance, also might cause potential safety hazard, therefore, often adopt the former that the hydraulic driving failure of pump is detected.
In the present embodiment, adopt the cut-out subelement of replacement unit to cut off being connected between described fluid clutch and described the first relief valve, the connexon unit connects described fluid clutch and described the second relief valve, detection unit is regulated the safety pressure of described the second relief valve, delivery pressure to described fluid clutch detects, if described testing result does not change with the variation of the safety pressure of described the second relief valve, then determining unit judges that described fluid clutch breaks down; If described testing result changes with the variation of the safety pressure of described the second relief valve, then determining unit judges that described fluid clutch is in the technological scheme of normal working, solved the technical problem of separately fluid clutch being carried out faut detection, the possibility of having got rid of the relief valve fault has realized separately fluid clutch being carried out faut detection.
It should be noted that at last: above each embodiment is not intended to limit only in order to the technical solution of the utility model to be described; Although with reference to aforementioned each embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technological scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characteristics wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of each embodiment's technological scheme of the utility model.
Claims (3)
1. the fluid clutch detection facility in the hydraulic system, described hydraulic system comprises fluid clutch and the first relief valve, it is characterized in that, described fluid clutch detection facility comprises:
Be used for utilizing the second relief valve to replace described the first relief valve, described the second relief valve is the replacement unit that is in the relief valve of normal working;
Be used for utilizing described the second relief valve, the detection unit that the delivery pressure of described fluid clutch is detected;
Be used for the result according to described detection, determine whether described fluid clutch is in the determining unit of normal working.
2. fluid clutch detection facility according to claim 1 is characterized in that, described replacement unit comprises:
Be used for cutting off the cut-out subelement that is connected between described fluid clutch and described the first relief valve;
Be used for connecting the connexon unit of described fluid clutch and described the second relief valve.
3. fluid clutch detection facility according to claim 1 and 2 is characterized in that, described determining unit also is used for:
If described testing result does not change with the variation of the safety pressure of described the second relief valve, judge that then described fluid clutch breaks down;
If described testing result changes with the variation of the safety pressure of described the second relief valve, judge that then described fluid clutch is in normal working.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220478053 CN202811654U (en) | 2012-09-18 | 2012-09-18 | Hydraulic driving pump detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220478053 CN202811654U (en) | 2012-09-18 | 2012-09-18 | Hydraulic driving pump detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202811654U true CN202811654U (en) | 2013-03-20 |
Family
ID=47870536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220478053 Expired - Lifetime CN202811654U (en) | 2012-09-18 | 2012-09-18 | Hydraulic driving pump detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202811654U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852780A (en) * | 2012-09-18 | 2013-01-02 | 北京二七轨道交通装备有限责任公司 | Method and device for detecting hydraulic drive pump |
-
2012
- 2012-09-18 CN CN 201220478053 patent/CN202811654U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852780A (en) * | 2012-09-18 | 2013-01-02 | 北京二七轨道交通装备有限责任公司 | Method and device for detecting hydraulic drive pump |
| CN102852780B (en) * | 2012-09-18 | 2015-04-15 | 北京二七轨道交通装备有限责任公司 | Method and device for detecting hydraulic drive pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130320 Effective date of abandoning: 20150415 |
|
| RGAV | Abandon patent right to avoid regrant |